1 /* ========================================================================
2 * Copyright 2008-2010 Mark Crispin
3 * ========================================================================
7 * Program: Mailbox Access routines
11 * Date: 22 November 1989
12 * Last Edited: 15 November 2010
14 * Previous versions of this file were
16 * Copyright 1988-2008 University of Washington
18 * Licensed under the Apache License, Version 2.0 (the "License");
19 * you may not use this file except in compliance with the License.
20 * You may obtain a copy of the License at
22 * http://www.apache.org/licenses/LICENSE-2.0
32 char *Panda_copyright
= "Copyright 2008-2010 Mark Crispin\n";
34 char *UW_copyright
= "Copyright 1988-2008 University of Washington\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n";
36 /* c-client global data */
37 /* version of this library */
38 static char *mailcclientversion
= CCLIENTVERSION
;
39 /* Minimum in range of encryption supported */
40 static int encryption_range_min
= 0;
41 /* Maximum in range of encryption supported */
42 static int encryption_range_max
= 0;
44 static IDLIST
*idapp
= NIL
;
45 /* list of mail drivers */
46 static DRIVER
*maildrivers
= NIL
;
47 /* list of authenticators */
48 static AUTHENTICATOR
*mailauthenticators
= NIL
;
49 /* SSL driver pointer */
50 static NETDRIVER
*mailssldriver
= NIL
;
51 /* pointer to alternate gets function */
52 static mailgets_t mailgets
= NIL
;
53 /* pointer to read progress function */
54 static readprogress_t mailreadprogress
= NIL
;
55 /* mail cache manipulation function */
56 static mailcache_t mailcache
= mm_cache
;
57 /* RFC-822 output generator */
58 static rfc822out_t mail822out
= NIL
;
59 /* RFC-822 output generator (new style) */
60 static rfc822outfull_t mail822outfull
= NIL
;
61 /* SMTP verbose callback */
62 static smtpverbose_t mailsmtpverbose
= mm_dlog
;
63 /* proxy copy routine */
64 static mailproxycopy_t mailproxycopy
= NIL
;
65 /* RFC-822 external line parse */
66 static parseline_t mailparseline
= NIL
;
67 /* RFC-822 external phrase parser */
68 static parsephrase_t mailparsephrase
= NIL
;
69 static kinit_t mailkinit
= NIL
; /* application kinit callback */
70 /* note network sent command */
71 static sendcommand_t mailsendcommand
= NIL
;
72 /* newsrc file name decision function */
73 static newsrcquery_t mailnewsrcquery
= NIL
;
74 /* ACL results callback */
75 static getacl_t mailaclresults
= NIL
;
76 /* list rights results callback */
77 static listrights_t maillistrightsresults
= NIL
;
78 /* my rights results callback */
79 static myrights_t mailmyrightsresults
= NIL
;
80 /* quota results callback */
81 static quota_t mailquotaresults
= NIL
;
82 /* quota root results callback */
83 static quotaroot_t mailquotarootresults
= NIL
;
84 /* sorted results callback */
85 static sortresults_t mailsortresults
= NIL
;
86 /* threaded results callback */
87 static threadresults_t mailthreadresults
= NIL
;
88 /* COPY UID results */
89 static copyuid_t mailcopyuid
= NIL
;
90 /* APPEND UID results */
91 static appenduid_t mailappenduid
= NIL
;
92 /* free elt extra stuff callback */
93 static freeeltsparep_t mailfreeeltsparep
= NIL
;
94 /* free envelope extra stuff callback */
95 static freeenvelopesparep_t mailfreeenvelopesparep
= NIL
;
96 /* free body extra stuff callback */
97 static freebodysparep_t mailfreebodysparep
= NIL
;
98 /* free stream extra stuff callback */
99 static freestreamsparep_t mailfreestreamsparep
= NIL
;
100 /* SSL start routine */
101 static sslstart_t mailsslstart
= NIL
;
102 /* SSL certificate query */
103 static sslcertificatequery_t mailsslcertificatequery
= NIL
;
104 /* SSL client certificate */
105 static sslclientcert_t mailsslclientcert
= NIL
;
106 /* SSL client private key */
107 static sslclientkey_t mailsslclientkey
= NIL
;
108 /* SSL failure notify */
109 static sslfailure_t mailsslfailure
= NIL
;
111 static long mailsnarfinterval
= 60;
112 /* snarf preservation */
113 static long mailsnarfpreserve
= NIL
;
114 /* newsrc name uses canonical host */
115 static long mailnewsrccanon
= LONGT
;
117 /* supported threaders */
118 static THREADER mailthreadordsub
= {
119 "ORDEREDSUBJECT",mail_thread_orderedsubject
,NIL
121 static THREADER mailthreadlist
= {
122 "REFERENCES",mail_thread_references
,&mailthreadordsub
126 static char *servicename
= "unknown";
127 /* server externally-set authentication ID */
128 static char *externalauthid
= NIL
;
129 static int expungeatping
= T
; /* mail_ping() may call mm_expunged() */
130 static int trysslfirst
= NIL
; /* always try SSL first */
131 static int notimezones
= NIL
; /* write timezones in "From " header */
132 static int trustdns
= T
; /* do DNS canonicalization */
133 static int saslusesptrname
= T
; /* SASL uses name from DNS PTR lookup */
134 /* trustdns also must be set */
135 static int debugsensitive
= NIL
;/* debug telemetry includes sensitive data */
137 /* Default mail cache handler
138 * Accepts: pointer to cache handle
141 * Returns: cache data
144 void *mm_cache (MAILSTREAM
*stream
,unsigned long msgno
,long op
)
149 switch ((int) op
) { /* what function? */
150 case CH_INIT
: /* initialize cache */
151 if (stream
->cache
) { /* flush old cache contents */
152 while (stream
->cachesize
) {
153 mm_cache (stream
,stream
->cachesize
,CH_FREE
);
154 mm_cache (stream
,stream
->cachesize
--,CH_FREESORTCACHE
);
156 fs_give ((void **) &stream
->cache
);
157 fs_give ((void **) &stream
->sc
);
158 stream
->nmsgs
= 0; /* can't have any messages now */
161 case CH_SIZE
: /* (re-)size the cache */
162 if (!stream
->cache
) { /* have a cache already? */
163 /* no, create new cache */
164 n
= (stream
->cachesize
= msgno
+ CACHEINCREMENT
) * sizeof (void *);
165 stream
->cache
= (MESSAGECACHE
**) memset (fs_get (n
),0,n
);
166 stream
->sc
= (SORTCACHE
**) memset (fs_get (n
),0,n
);
168 /* is existing cache size large neough */
169 else if (msgno
> stream
->cachesize
) {
170 i
= stream
->cachesize
; /* remember old size */
171 n
= (stream
->cachesize
= msgno
+ CACHEINCREMENT
) * sizeof (void *);
172 fs_resize ((void **) &stream
->cache
,n
);
173 fs_resize ((void **) &stream
->sc
,n
);
174 while (i
< stream
->cachesize
) {
175 stream
->cache
[i
] = NIL
;
176 stream
->sc
[i
++] = NIL
;
181 case CH_MAKEELT
: /* return elt, make if necessary */
182 if (!stream
->cache
[msgno
- 1])
183 stream
->cache
[msgno
- 1] = mail_new_cache_elt (msgno
);
185 case CH_ELT
: /* return elt */
186 ret
= (void *) stream
->cache
[msgno
- 1];
188 case CH_SORTCACHE
: /* return sortcache entry, make if needed */
189 if (!stream
->sc
[msgno
- 1]) stream
->sc
[msgno
- 1] =
190 (SORTCACHE
*) memset (fs_get (sizeof (SORTCACHE
)),0,sizeof (SORTCACHE
));
191 ret
= (void *) stream
->sc
[msgno
- 1];
193 case CH_FREE
: /* free elt */
194 mail_free_elt (&stream
->cache
[msgno
- 1]);
196 case CH_FREESORTCACHE
:
197 if (stream
->sc
[msgno
- 1]) {
198 if (stream
->sc
[msgno
- 1]->from
)
199 fs_give ((void **) &stream
->sc
[msgno
- 1]->from
);
200 if (stream
->sc
[msgno
- 1]->to
)
201 fs_give ((void **) &stream
->sc
[msgno
- 1]->to
);
202 if (stream
->sc
[msgno
- 1]->cc
)
203 fs_give ((void **) &stream
->sc
[msgno
- 1]->cc
);
204 if (stream
->sc
[msgno
- 1]->subject
)
205 fs_give ((void **) &stream
->sc
[msgno
- 1]->subject
);
206 if (stream
->sc
[msgno
- 1]->unique
&&
207 (stream
->sc
[msgno
- 1]->unique
!= stream
->sc
[msgno
- 1]->message_id
))
208 fs_give ((void **) &stream
->sc
[msgno
- 1]->unique
);
209 if (stream
->sc
[msgno
- 1]->message_id
)
210 fs_give ((void **) &stream
->sc
[msgno
- 1]->message_id
);
211 if (stream
->sc
[msgno
- 1]->references
)
212 mail_free_stringlist (&stream
->sc
[msgno
- 1]->references
);
213 fs_give ((void **) &stream
->sc
[msgno
- 1]);
216 case CH_EXPUNGE
: /* expunge cache slot */
217 for (i
= msgno
- 1; msgno
< stream
->nmsgs
; i
++,msgno
++) {
218 if ((stream
->cache
[i
] = stream
->cache
[msgno
]) != NULL
)
219 stream
->cache
[i
]->msgno
= msgno
;
220 stream
->sc
[i
] = stream
->sc
[msgno
];
222 stream
->cache
[i
] = NIL
; /* top of cache goes away */
226 fatal ("Bad mm_cache op");
232 /* Dummy string driver for complete in-memory strings */
234 static void mail_string_init (STRING
*s
,void *data
,unsigned long size
);
235 static char mail_string_next (STRING
*s
);
236 static void mail_string_setpos (STRING
*s
,unsigned long i
);
238 STRINGDRIVER mail_string
= {
239 mail_string_init
, /* initialize string structure */
240 mail_string_next
, /* get next byte in string structure */
241 mail_string_setpos
/* set position in string structure */
245 /* Initialize mail string structure for in-memory string
246 * Accepts: string structure
251 static void mail_string_init (STRING
*s
,void *data
,unsigned long size
)
253 /* set initial string pointers */
254 s
->chunk
= s
->curpos
= (char *) (s
->data
= data
);
256 s
->size
= s
->chunksize
= s
->cursize
= size
;
257 s
->data1
= s
->offset
= 0; /* never any offset */
261 /* Get next character from string
262 * Accepts: string structure
263 * Returns: character, string structure chunk refreshed
266 static char mail_string_next (STRING
*s
)
268 return *s
->curpos
++; /* return the last byte */
272 /* Set string pointer position
273 * Accepts: string structure
277 static void mail_string_setpos (STRING
*s
,unsigned long i
)
279 s
->curpos
= s
->chunk
+ i
; /* set new position */
280 s
->cursize
= s
->chunksize
- i
;/* and new size */
285 * mail_xxx routines are the interface between this module and the outside
286 * world. Only these routines should be referenced by external callers.
288 * Note that there is an important difference between a "sequence" and a
289 * "message #" (msgno). A sequence is a string representing a sequence in
290 * {"n", "n:m", or combination separated by commas} format, whereas a msgno
291 * is a single integer.
295 /* Mail version check
299 void mail_versioncheck (char *version
)
301 /* attempt to protect again wrong .h */
302 if (strcmp (version
,mailcclientversion
)) {
303 char tmp
[MAILTMPLEN
];
304 sprintf (tmp
,"c-client library version skew, app=%.100s library=%.100s",
305 version
,mailcclientversion
);
312 * Accepts: driver to add to list
315 void mail_link (DRIVER
*driver
)
317 DRIVER
**d
= &maildrivers
;
318 while (*d
) d
= &(*d
)->next
; /* find end of list of drivers */
319 *d
= driver
; /* put driver at the end */
320 driver
->next
= NIL
; /* this driver is the end of the list */
323 /* Mail manipulate driver parameters
324 * Accepts: mail stream
326 * function-dependent value
327 * Returns: function-dependent return value
330 void *mail_parameters (MAILSTREAM
*stream
,long function
,void *value
)
335 switch ((int) function
) {
337 fatal ("SET_INBOXPATH not permitted");
339 if ((stream
|| (stream
= mail_open (NIL
,"INBOX",OP_PROTOTYPE
))) &&
340 stream
->dtb
) ret
= (*stream
->dtb
->parameters
) (function
,value
);
343 fatal ("SET_THREADERS not permitted");
344 case GET_THREADERS
: /* use stream dtb instead of global */
345 ret
= (stream
&& stream
->dtb
) ?
346 /* KLUDGE ALERT: note stream passed as value */
347 (*stream
->dtb
->parameters
) (function
,stream
) : (void *) &mailthreadlist
;
350 fatal ("SET_NAMESPACE not permitted");
352 case SET_NEWSRC
: /* too late on open stream */
353 if (stream
&& stream
->dtb
&& (stream
!= ((*stream
->dtb
->open
) (NIL
))))
354 fatal ("SET_NEWSRC not permitted");
355 else ret
= env_parameters (function
,value
);
358 ret
= (stream
&& stream
->dtb
&& !(stream
->dtb
->flags
& DR_LOCAL
)) ?
359 /* KLUDGE ALERT: note stream passed as value */
360 (*stream
->dtb
->parameters
) (function
,stream
) :
361 env_parameters (function
,value
);
363 case GET_NEWSRC
: /* use stream dtb instead of environment */
364 ret
= (stream
&& stream
->dtb
) ?
365 /* KLUDGE ALERT: note stream passed as value */
366 (*stream
->dtb
->parameters
) (function
,stream
) :
367 env_parameters (function
,value
);
370 fatal ("ENABLE_DEBUG not permitted");
372 fatal ("DISABLE_DEBUG not permitted");
374 fatal ("SET_DIRFMTTEST not permitted");
376 if (!(stream
&& stream
->dtb
&&
377 (ret
= (*stream
->dtb
->parameters
) (function
,NIL
))))
378 fatal ("GET_DIRFMTTEST not permitted");
382 fatal ("SET_DRIVERS not permitted");
383 case GET_DRIVERS
: /* always return global */
384 ret
= (void *) maildrivers
;
387 fatal ("SET_DRIVER not permitted");
389 for (d
= maildrivers
; d
&& compare_cstring (d
->name
,(char *) value
);
394 for (d
= maildrivers
; d
&& compare_cstring (d
->name
,(char *) value
);
396 if ((ret
= (void *) d
) != NULL
) d
->flags
&= ~DR_DISABLE
;
399 for (d
= maildrivers
; d
&& compare_cstring (d
->name
,(char *) value
);
401 if ((ret
= (void *) d
) != NULL
) d
->flags
|= DR_DISABLE
;
403 case ENABLE_AUTHENTICATOR
:
404 for (a
= mailauthenticators
;/* scan authenticators */
405 a
&& compare_cstring (a
->name
,(char *) value
); a
= a
->next
);
406 if ((ret
= (void *) a
) != NULL
) a
->flags
&= ~AU_DISABLE
;
408 case DISABLE_AUTHENTICATOR
:
409 for (a
= mailauthenticators
;/* scan authenticators */
410 a
&& compare_cstring (a
->name
,(char *) value
); a
= a
->next
);
411 if ((ret
= (void *) a
) != NULL
) a
->flags
|= AU_DISABLE
;
413 case UNHIDE_AUTHENTICATOR
:
414 for (a
= mailauthenticators
;/* scan authenticators */
415 a
&& compare_cstring (a
->name
,(char *) value
); a
= a
->next
);
416 if ((ret
= (void *) a
) != NULL
) a
->flags
&= ~AU_HIDE
;
418 case HIDE_AUTHENTICATOR
:
419 for (a
= mailauthenticators
;/* scan authenticators */
420 a
&& compare_cstring (a
->name
,(char *) value
); a
= a
->next
);
421 if ((ret
= (void *) a
) != NULL
) a
->flags
|= AU_HIDE
;
423 case SET_EXTERNALAUTHID
:
424 if (value
) { /* setting external authentication ID */
425 externalauthid
= cpystr ((char *) value
);
426 mail_parameters (NIL
,UNHIDE_AUTHENTICATOR
,"EXTERNAL");
428 else { /* clearing external authentication ID */
429 if (externalauthid
) fs_give ((void **) &externalauthid
);
430 mail_parameters (NIL
,HIDE_AUTHENTICATOR
,"EXTERNAL");
432 case GET_EXTERNALAUTHID
:
433 ret
= (void *) externalauthid
;
437 mailgets
= (mailgets_t
) value
;
439 ret
= (void *) mailgets
;
441 case SET_READPROGRESS
:
442 mailreadprogress
= (readprogress_t
) value
;
443 case GET_READPROGRESS
:
444 ret
= (void *) mailreadprogress
;
447 mailcache
= (mailcache_t
) value
;
449 ret
= (void *) mailcache
;
451 case SET_RFC822OUTPUT
:
452 mail822out
= (rfc822out_t
) value
;
453 case GET_RFC822OUTPUT
:
454 ret
= (void *) mail822out
;
456 case SET_RFC822OUTPUTFULL
:
457 mail822outfull
= (rfc822outfull_t
) value
;
458 case GET_RFC822OUTPUTFULL
:
459 ret
= (void *) mail822outfull
;
461 case SET_SMTPVERBOSE
:
462 mailsmtpverbose
= (smtpverbose_t
) value
;
463 case GET_SMTPVERBOSE
:
464 ret
= (void *) mailsmtpverbose
;
466 case SET_MAILPROXYCOPY
:
467 mailproxycopy
= (mailproxycopy_t
) value
;
468 case GET_MAILPROXYCOPY
:
469 ret
= (void *) mailproxycopy
;
472 mailparseline
= (parseline_t
) value
;
474 ret
= (void *) mailparseline
;
476 case SET_PARSEPHRASE
:
477 mailparsephrase
= (parsephrase_t
) value
;
478 case GET_PARSEPHRASE
:
479 ret
= (void *) mailparsephrase
;
481 case SET_NEWSRCQUERY
:
482 mailnewsrcquery
= (newsrcquery_t
) value
;
483 case GET_NEWSRCQUERY
:
484 ret
= (void *) mailnewsrcquery
;
486 case SET_NEWSRCCANONHOST
:
487 mailnewsrccanon
= (long) value
;
488 case GET_NEWSRCCANONHOST
:
489 ret
= (void *) mailnewsrccanon
;
493 mailcopyuid
= (copyuid_t
) value
;
495 ret
= (void *) mailcopyuid
;
498 mailappenduid
= (appenduid_t
) value
;
500 ret
= (void *) mailappenduid
;
502 case SET_FREEENVELOPESPAREP
:
503 mailfreeenvelopesparep
= (freeenvelopesparep_t
) value
;
504 case GET_FREEENVELOPESPAREP
:
505 ret
= (void *) mailfreeenvelopesparep
;
507 case SET_FREEELTSPAREP
:
508 mailfreeeltsparep
= (freeeltsparep_t
) value
;
509 case GET_FREEELTSPAREP
:
510 ret
= (void *) mailfreeeltsparep
;
512 case SET_FREESTREAMSPAREP
:
513 mailfreestreamsparep
= (freestreamsparep_t
) value
;
514 case GET_FREESTREAMSPAREP
:
515 ret
= (void *) mailfreestreamsparep
;
517 case SET_FREEBODYSPAREP
:
518 mailfreebodysparep
= (freebodysparep_t
) value
;
519 case GET_FREEBODYSPAREP
:
520 ret
= (void *) mailfreebodysparep
;
524 mailsslstart
= (sslstart_t
) value
;
526 ret
= (void *) mailsslstart
;
528 case SET_SSLCERTIFICATEQUERY
:
529 mailsslcertificatequery
= (sslcertificatequery_t
) value
;
530 case GET_SSLCERTIFICATEQUERY
:
531 ret
= (void *) mailsslcertificatequery
;
533 case SET_SSLCLIENTCERT
:
534 mailsslclientcert
= (sslclientcert_t
) value
;
535 case GET_SSLCLIENTCERT
:
536 ret
= (void *) mailsslclientcert
;
538 case SET_SSLCLIENTKEY
:
539 mailsslclientkey
= (sslclientkey_t
) value
;
540 case GET_SSLCLIENTKEY
:
541 ret
= (void *) mailsslclientkey
;
544 mailsslfailure
= (sslfailure_t
) value
;
546 ret
= (void *) mailsslfailure
;
548 case SET_ENCRYPTION_RANGE_MIN
:
549 encryption_range_min
= *(int *) value
;
550 case GET_ENCRYPTION_RANGE_MIN
:
551 ret
= (void *) &encryption_range_min
;
553 case SET_ENCRYPTION_RANGE_MAX
:
554 encryption_range_max
= *(int *) value
;
555 case GET_ENCRYPTION_RANGE_MAX
:
556 ret
= (void *) &encryption_range_max
;
559 mailkinit
= (kinit_t
) value
;
561 ret
= (void *) mailkinit
;
563 case SET_SENDCOMMAND
:
564 mailsendcommand
= (sendcommand_t
) value
;
565 case GET_SENDCOMMAND
:
566 ret
= (void *) mailsendcommand
;
569 case SET_SERVICENAME
:
570 servicename
= (char *) value
;
571 case GET_SERVICENAME
:
572 ret
= (void *) servicename
;
574 case SET_EXPUNGEATPING
:
575 expungeatping
= (value
? T
: NIL
);
576 case GET_EXPUNGEATPING
:
577 ret
= (void *) (expungeatping
? VOIDT
: NIL
);
579 case SET_SORTRESULTS
:
580 mailsortresults
= (sortresults_t
) value
;
581 case GET_SORTRESULTS
:
582 ret
= (void *) mailsortresults
;
584 case SET_THREADRESULTS
:
585 mailthreadresults
= (threadresults_t
) value
;
586 case GET_THREADRESULTS
:
587 ret
= (void *) mailthreadresults
;
590 mailssldriver
= (NETDRIVER
*) value
;
592 ret
= (void *) mailssldriver
;
594 case SET_TRYSSLFIRST
:
595 trysslfirst
= (value
? T
: NIL
);
596 case GET_TRYSSLFIRST
:
597 ret
= (void *) (trysslfirst
? VOIDT
: NIL
);
599 case SET_NOTIMEZONES
:
600 notimezones
= (value
? T
: NIL
);
601 case GET_NOTIMEZONES
:
602 ret
= (void *) (notimezones
? VOIDT
: NIL
);
605 trustdns
= (value
? T
: NIL
);
607 ret
= (void *) (trustdns
? VOIDT
: NIL
);
609 case SET_SASLUSESPTRNAME
:
610 saslusesptrname
= (value
? T
: NIL
);
611 case GET_SASLUSESPTRNAME
:
612 ret
= (void *) (saslusesptrname
? VOIDT
: NIL
);
614 case SET_DEBUGSENSITIVE
:
615 debugsensitive
= (value
? T
: NIL
);
616 case GET_DEBUGSENSITIVE
:
617 ret
= (void *) (debugsensitive
? VOIDT
: NIL
);
621 mailaclresults
= (getacl_t
) value
;
623 ret
= (void *) mailaclresults
;
626 maillistrightsresults
= (listrights_t
) value
;
628 ret
= (void *) maillistrightsresults
;
631 mailmyrightsresults
= (myrights_t
) value
;
633 ret
= (void *) mailmyrightsresults
;
636 mailquotaresults
= (quota_t
) value
;
638 ret
= (void *) mailquotaresults
;
641 mailquotarootresults
= (quotaroot_t
) value
;
643 ret
= (void *) mailquotarootresults
;
645 case SET_SNARFINTERVAL
:
646 mailsnarfinterval
= (long) value
;
647 case GET_SNARFINTERVAL
:
648 ret
= (void *) mailsnarfinterval
;
650 case SET_SNARFPRESERVE
:
651 mailsnarfpreserve
= (long) value
;
652 case GET_SNARFPRESERVE
:
653 ret
= (void *) mailsnarfpreserve
;
655 case SET_SNARFMAILBOXNAME
:
656 if (stream
) { /* have a stream? */
657 if (stream
->snarf
.name
) fs_give ((void **) &stream
->snarf
.name
);
658 stream
->snarf
.name
= cpystr ((char *) value
);
660 else fatal ("SET_SNARFMAILBOXNAME with no stream");
661 case GET_SNARFMAILBOXNAME
:
662 if (stream
) ret
= (void *) stream
->snarf
.name
;
664 case SET_IDPARAMS
: /* program id */
665 idapp
= (IDLIST
*) value
;
667 ret
= (void *) idapp
;
669 if ((r
= smtp_parameters (function
,value
)) != NULL
) ret
= r
;
670 if ((r
= env_parameters (function
,value
)) != NULL
) ret
= r
;
671 if ((r
= tcp_parameters (function
,value
)) != NULL
) ret
= r
;
672 if ((r
= utf8_parameters (function
,value
)) != NULL
) ret
= r
;
673 if (stream
&& stream
->dtb
) {/* if have stream, do for its driver only */
674 if ((r
= (*stream
->dtb
->parameters
) (function
,value
)) != NULL
) ret
= r
;
676 /* else do all drivers */
677 else for (d
= maildrivers
; d
; d
= d
->next
)
678 if ((r
= (d
->parameters
) (function
,value
)) != NULL
) ret
= r
;
684 /* Mail validate mailbox name
685 * Accepts: MAIL stream
687 * purpose string for error message
688 * Return: driver factory on success, NIL on failure
691 DRIVER
*mail_valid (MAILSTREAM
*stream
,char *mailbox
,char *purpose
)
693 char tmp
[MAILTMPLEN
];
694 DRIVER
*factory
= NIL
;
695 /* never allow names with newlines */
696 if (strpbrk (mailbox
,"\015\012")) {
697 if (purpose
) { /* if want an error message */
698 sprintf (tmp
,"Can't %s with such a name",purpose
);
703 /* validate name, find driver factory */
704 if (strlen (mailbox
) < (NETMAXHOST
+(NETMAXUSER
*2)+NETMAXMBX
+NETMAXSRV
+50))
705 for (factory
= maildrivers
; factory
&&
706 ((factory
->flags
& DR_DISABLE
) ||
707 ((factory
->flags
& DR_LOCAL
) && (*mailbox
== '{')) ||
708 !(*factory
->valid
) (mailbox
));
709 factory
= factory
->next
);
710 /* validate factory against non-dummy stream */
711 if (factory
&& stream
&& stream
->dtb
&& (stream
->dtb
!= factory
) &&
712 strcmp (stream
->dtb
->name
,"dummy"))
713 /* factory invalid; if dummy, use stream */
714 factory
= strcmp (factory
->name
,"dummy") ? NIL
: stream
->dtb
;
715 if (!factory
&& purpose
) { /* if want an error message */
716 sprintf (tmp
,"Can't %s %.80s: %s",purpose
,mailbox
,(*mailbox
== '{') ?
717 "invalid remote specification" : "no such mailbox");
720 return factory
; /* return driver factory */
723 /* Mail validate network mailbox name
724 * Accepts: mailbox name
725 * mailbox driver to validate against
726 * pointer to where to return host name if non-NIL
727 * pointer to where to return mailbox name if non-NIL
728 * Returns: driver on success, NIL on failure
731 DRIVER
*mail_valid_net (char *name
,DRIVER
*drv
,char *host
,char *mailbox
)
734 if (!mail_valid_net_parse (name
,&mb
) || strcmp (mb
.service
,drv
->name
))
736 if (host
) strcpy (host
,mb
.host
);
737 if (mailbox
) strcpy (mailbox
,mb
.mailbox
);
742 /* Mail validate network mailbox name
743 * Accepts: mailbox name
744 * NETMBX structure to return values
745 * Returns: T on success, NIL on failure
748 long mail_valid_net_parse (char *name
,NETMBX
*mb
)
750 return mail_valid_net_parse_work (name
,mb
,"imap");
753 /* Mail validate network mailbox name worker routine
754 * Accepts: mailbox name
755 * NETMBX structure to return values
757 * Returns: T on success, NIL on failure
760 long mail_valid_net_parse_work (char *name
,NETMBX
*mb
,char *service
)
763 char c
,*s
,*t
,*v
,tmp
[MAILTMPLEN
],arg
[MAILTMPLEN
];
764 /* initialize structure */
765 memset (mb
,'\0',sizeof (NETMBX
));
766 /* must have host specification */
767 if (*name
++ != '{') return NIL
;
768 if (*name
== '[') { /* if domain literal, find its ending */
769 if (!((v
= strpbrk (name
,"]}")) && (*v
++ == ']'))) return NIL
;
771 /* find end of host name */
772 else if (!(v
= strpbrk (name
,"/:}"))) return NIL
;
773 /* validate length, find mailbox part */
774 if (!((i
= v
- name
) && (i
< NETMAXHOST
) && (t
= strchr (v
,'}')) &&
775 ((j
= t
- v
) < MAILTMPLEN
) && (strlen (t
+1) < (size_t) NETMAXMBX
)))
776 return NIL
; /* invalid mailbox */
777 strncpy (mb
->host
,name
,i
); /* set host name */
778 strncpy (mb
->orighost
,name
,i
);
779 mb
->host
[i
] = mb
->orighost
[i
] = '\0';
780 strcpy (mb
->mailbox
,t
+1); /* set mailbox name */
781 if (t
- v
) { /* any switches or port specification? */
782 strncpy (t
= tmp
,v
,j
); /* copy it */
783 tmp
[j
] = '\0'; /* tie it off */
784 c
= *t
++; /* get first delimiter */
785 do switch (c
) { /* act based upon the character */
786 case ':': /* port specification */
787 if (mb
->port
|| !(mb
->port
= strtoul (t
,&t
,10))) return NIL
;
788 c
= t
? *t
++ : '\0'; /* get delimiter, advance pointer */
790 case '/': /* switch */
792 if ((t
= strpbrk (s
= t
,"/:=")) != NULL
) {
793 c
= *t
; /* remember delimiter for later */
794 *t
++ = '\0'; /* tie off switch name */
796 else c
= '\0'; /* no delimiter */
797 if (c
== '=') { /* parse switches which take arguments */
798 if (*t
== '"') { /* quoted string? */
799 for (v
= arg
,i
= 0,++t
; (c
= *t
++) != '"';) {
800 if (!c
) return NIL
; /* unterminated string */
801 /* quote next character */
802 if (c
== '\\') c
= *t
++;
803 if (!c
) return NIL
; /* can't quote NUL either */
806 c
= *t
++; /* remember delimiter for later */
807 arg
[i
] = '\0'; /* tie off argument */
809 else { /* non-quoted argument */
810 if ((t
= strpbrk (v
= t
,"/:")) != NULL
) {
811 c
= *t
; /* remember delimiter for later */
812 *t
++ = '\0'; /* tie off switch name */
814 else c
= '\0'; /* no delimiter */
815 i
= strlen (v
); /* length of argument */
817 if (!compare_cstring (s
,"service") && (i
< NETMAXSRV
) && !*mb
->service
)
818 lcase (strcpy (mb
->service
,v
));
819 else if (!compare_cstring (s
,"user") && (i
< NETMAXUSER
) && !*mb
->user
)
821 else if (!compare_cstring (s
,"authuser") && (i
< NETMAXUSER
) &&
822 !*mb
->authuser
) strcpy (mb
->authuser
,v
);
823 else if (!compare_cstring (s
,"auth") && (i
< NETMAXAUTH
) &&
824 !*mb
->auth
) strcpy (mb
->auth
,v
);
828 else { /* non-argument switch */
829 if (!compare_cstring (s
,"anonymous")) mb
->anoflag
= T
;
830 else if (!compare_cstring (s
,"debug")) mb
->dbgflag
= T
;
831 else if (!compare_cstring (s
,"readonly")) mb
->readonlyflag
= T
;
832 else if (!compare_cstring (s
,"secure")) mb
->secflag
= T
;
833 else if (!compare_cstring (s
,"norsh")) mb
->norsh
= T
;
834 else if (!compare_cstring (s
,"loser")) mb
->loser
= T
;
835 else if (!compare_cstring (s
,"tls") && !mb
->notlsflag
)
837 else if (!compare_cstring (s
,"tls-sslv23") && !mb
->notlsflag
)
838 mb
->tlssslv23
= mb
->tlsflag
= T
;
839 else if (!compare_cstring (s
,"notls") && !mb
->tlsflag
)
841 else if (!compare_cstring (s
,"tryssl"))
842 mb
->trysslflag
= mailssldriver
? T
: NIL
;
843 else if (mailssldriver
&& !compare_cstring (s
,"ssl") && !mb
->tlsflag
)
844 mb
->sslflag
= mb
->notlsflag
= T
;
845 else if (!compare_cstring(s
, "tls1")
846 && !mb
->tls1_1
&& !mb
->tls1_2
&& !mb
->tls1_3
)
847 mb
->sslflag
= mb
->notlsflag
= mb
->tls1
= T
;
848 else if (!compare_cstring(s
, "tls1_1")
849 && !mb
->tls1
&& !mb
->tls1_2
&& !mb
->tls1_3
)
850 mb
->sslflag
= mb
->notlsflag
= mb
->tls1_1
= T
;
851 else if (!compare_cstring(s
, "tls1_2")
852 && !mb
->tls1
&& !mb
->tls1_1
&& !mb
->tls1_3
)
853 mb
->sslflag
= mb
->notlsflag
= mb
->tls1_2
= T
;
854 else if (!compare_cstring(s
, "tls1_3")
855 && !mb
->tls1
&& !mb
->tls1_1
&& !mb
->tls1_2
)
856 mb
->sslflag
= mb
->notlsflag
= mb
->tls1_3
= T
;
857 else if (mailssldriver
&& !compare_cstring (s
,"novalidate-cert"))
859 /* hack for compatibility with the past */
860 else if (mailssldriver
&& !compare_cstring (s
,"validate-cert"));
861 /* service switches below here */
862 else if (*mb
->service
) return NIL
;
863 else if (!compare_cstring (s
,"imap") ||
864 !compare_cstring (s
,"nntp") ||
865 !compare_cstring (s
,"pop3") ||
866 !compare_cstring (s
,"smtp") ||
867 !compare_cstring (s
,"submit"))
868 lcase (strcpy (mb
->service
,s
));
869 else if (!compare_cstring (s
,"imap2") ||
870 !compare_cstring (s
,"imap2bis") ||
871 !compare_cstring (s
,"imap4") ||
872 !compare_cstring (s
,"imap4rev1"))
873 strcpy (mb
->service
,"imap");
874 else if (!compare_cstring (s
,"pop"))
875 strcpy (mb
->service
,"pop3");
876 else return NIL
; /* invalid non-argument switch */
879 default: /* anything else is bogus */
881 } while (c
); /* see if anything more to parse */
883 /* default mailbox name */
884 if (!*mb
->mailbox
) strcpy (mb
->mailbox
,"INBOX");
885 /* default service name */
886 if (!*mb
->service
) strcpy (mb
->service
,service
);
887 /* /norsh only valid if imap */
888 if (mb
->norsh
&& strcmp (mb
->service
,"imap")) return NIL
;
892 /* Mail scan mailboxes for string
893 * Accepts: mail stream
899 void mail_scan (MAILSTREAM
*stream
,char *ref
,char *pat
,char *contents
)
901 int remote
= ((*pat
== '{') || (ref
&& *ref
== '{'));
903 if (ref
&& (strlen (ref
) > NETMAXMBX
)) {
904 char tmp
[MAILTMPLEN
];
905 sprintf (tmp
,"Invalid LIST reference specification: %.80s",ref
);
909 if (strlen (pat
) > NETMAXMBX
) {
910 char tmp
[MAILTMPLEN
];
911 sprintf (tmp
,"Invalid LIST pattern specification: %.80s",pat
);
915 if (*pat
== '{') ref
= NIL
; /* ignore reference if pattern is remote */
916 if (stream
) { /* if have a stream, do it for that stream */
917 if ((d
= stream
->dtb
) && d
->scan
&&
918 !(((d
->flags
& DR_LOCAL
) && remote
)))
919 (*d
->scan
) (stream
,ref
,pat
,contents
);
921 /* otherwise do for all DTB's */
922 else for (d
= maildrivers
; d
; d
= d
->next
)
923 if (d
->scan
&& !((d
->flags
& DR_DISABLE
) ||
924 ((d
->flags
& DR_LOCAL
) && remote
)))
925 (d
->scan
) (NIL
,ref
,pat
,contents
);
928 /* Mail list mailboxes
929 * Accepts: mail stream
934 void mail_list (MAILSTREAM
*stream
,char *ref
,char *pat
)
936 int remote
= ((*pat
== '{') || (ref
&& *ref
== '{'));
937 DRIVER
*d
= maildrivers
;
938 if (ref
&& (strlen (ref
) > NETMAXMBX
)) {
939 char tmp
[MAILTMPLEN
];
940 sprintf (tmp
,"Invalid LIST reference specification: %.80s",ref
);
944 if (strlen (pat
) > NETMAXMBX
) {
945 char tmp
[MAILTMPLEN
];
946 sprintf (tmp
,"Invalid LIST pattern specification: %.80s",pat
);
950 if (*pat
== '{') ref
= NIL
; /* ignore reference if pattern is remote */
951 if (stream
&& stream
->dtb
) { /* if have a stream, do it for that stream */
952 if (!(((d
= stream
->dtb
)->flags
& DR_LOCAL
) && remote
))
953 (*d
->list
) (stream
,ref
,pat
);
955 /* otherwise do for all DTB's */
956 else do if (!((d
->flags
& DR_DISABLE
) ||
957 ((d
->flags
& DR_LOCAL
) && remote
)))
958 (d
->list
) (NIL
,ref
,pat
);
959 while ((d
= d
->next
) != NULL
); /* until at the end */
962 /* Mail list subscribed mailboxes
963 * Accepts: mail stream
967 void mail_lsub (MAILSTREAM
*stream
,char *ref
,char *pat
)
969 int remote
= ((*pat
== '{') || (ref
&& *ref
== '{'));
970 DRIVER
*d
= maildrivers
;
971 if (ref
&& (strlen (ref
) > NETMAXMBX
)) {
972 char tmp
[MAILTMPLEN
];
973 sprintf (tmp
,"Invalid LSUB reference specification: %.80s",ref
);
977 if (strlen (pat
) > NETMAXMBX
) {
978 char tmp
[MAILTMPLEN
];
979 sprintf (tmp
,"Invalid LSUB pattern specification: %.80s",pat
);
983 if (*pat
== '{') ref
= NIL
; /* ignore reference if pattern is remote */
984 if (stream
&& stream
->dtb
) { /* if have a stream, do it for that stream */
985 if (!(((d
= stream
->dtb
)->flags
& DR_LOCAL
) && remote
))
986 (*d
->lsub
) (stream
,ref
,pat
);
988 /* otherwise do for all DTB's */
989 else do if (!((d
->flags
& DR_DISABLE
) ||
990 ((d
->flags
& DR_LOCAL
) && remote
)))
991 (d
->lsub
) (NIL
,ref
,pat
);
992 while ((d
= d
->next
) != NULL
); /* until at the end */
995 /* Mail subscribe to mailbox
996 * Accepts: mail stream
997 * mailbox to add to subscription list
998 * Returns: T on success, NIL on failure
1001 long mail_subscribe (MAILSTREAM
*stream
,char *mailbox
)
1003 DRIVER
*factory
= mail_valid (stream
,mailbox
,"subscribe to mailbox");
1005 (factory
->subscribe
?
1006 (*factory
->subscribe
) (stream
,mailbox
) : sm_subscribe (mailbox
)) : NIL
;
1010 /* Mail unsubscribe to mailbox
1011 * Accepts: mail stream
1012 * mailbox to delete from subscription list
1013 * Returns: T on success, NIL on failure
1016 long mail_unsubscribe (MAILSTREAM
*stream
,char *mailbox
)
1018 DRIVER
*factory
= mail_valid (stream
,mailbox
,NIL
);
1019 return (factory
&& factory
->unsubscribe
) ?
1020 (*factory
->unsubscribe
) (stream
,mailbox
) : sm_unsubscribe (mailbox
);
1023 /* Mail create mailbox
1024 * Accepts: mail stream
1025 * mailbox name to create
1026 * Returns: T on success, NIL on failure
1029 long mail_create (MAILSTREAM
*stream
,char *mailbox
)
1032 char *s
,*t
,tmp
[MAILTMPLEN
];
1035 /* never allow names with newlines */
1036 if ((s
= strpbrk (mailbox
,"\015\012")) != NULL
) {
1037 MM_LOG ("Can't create mailbox with such a name",ERROR
);
1040 if (strlen (mailbox
) >= (NETMAXHOST
+(NETMAXUSER
*2)+NETMAXMBX
+NETMAXSRV
+50)) {
1041 sprintf (tmp
,"Can't create %.80s: %s",mailbox
,(*mailbox
== '{') ?
1042 "invalid remote specification" : "no such mailbox");
1046 /* create of INBOX invalid */
1047 if (!compare_cstring (mailbox
,"INBOX")) {
1048 MM_LOG ("Can't create INBOX",ERROR
);
1052 if ((s
= mail_utf7_valid (mailbox
)) != NULL
) {
1053 sprintf (tmp
,"Can't create %s: %.80s",s
,mailbox
);
1058 /* see if special driver hack */
1059 if ((mailbox
[0] == '#') && ((mailbox
[1] == 'd') || (mailbox
[1] == 'D')) &&
1060 ((mailbox
[2] == 'r') || (mailbox
[2] == 'R')) &&
1061 ((mailbox
[3] == 'i') || (mailbox
[3] == 'I')) &&
1062 ((mailbox
[4] == 'v') || (mailbox
[4] == 'V')) &&
1063 ((mailbox
[5] == 'e') || (mailbox
[5] == 'E')) &&
1064 ((mailbox
[6] == 'r') || (mailbox
[6] == 'R')) && (mailbox
[7] == '.')) {
1065 /* copy driver until likely delimiter */
1066 if ((s
= strpbrk (t
= mailbox
+8,"/\\:")) && (i
= s
- t
)) {
1071 sprintf (tmp
,"Can't create mailbox %.80s: bad driver syntax",mailbox
);
1075 for (d
= maildrivers
; d
&& strcmp (d
->name
,tmp
); d
= d
->next
);
1076 if (d
) mailbox
= ++s
; /* skip past driver specification */
1078 sprintf (tmp
,"Can't create mailbox %.80s: unknown driver",mailbox
);
1083 /* use stream if one given or deterministic */
1084 else if ((stream
&& stream
->dtb
) ||
1085 (((*mailbox
== '{') || (*mailbox
== '#')) &&
1086 (stream
= mail_open (NIL
,mailbox
,OP_PROTOTYPE
| OP_SILENT
))))
1088 else if ((*mailbox
!= '{') && (ts
= default_proto (NIL
))) d
= ts
->dtb
;
1089 else { /* failed utterly */
1090 sprintf (tmp
,"Can't create mailbox %.80s: indeterminate format",mailbox
);
1094 return (*d
->create
) (stream
,mailbox
);
1097 /* Mail delete mailbox
1098 * Accepts: mail stream
1099 * mailbox name to delete
1100 * Returns: T on success, NIL on failure
1103 long mail_delete (MAILSTREAM
*stream
,char *mailbox
)
1105 DRIVER
*dtb
= mail_valid (stream
,mailbox
,"delete mailbox");
1106 if (!dtb
) return NIL
;
1107 if (((mailbox
[0] == 'I') || (mailbox
[0] == 'i')) &&
1108 ((mailbox
[1] == 'N') || (mailbox
[1] == 'n')) &&
1109 ((mailbox
[2] == 'B') || (mailbox
[2] == 'b')) &&
1110 ((mailbox
[3] == 'O') || (mailbox
[3] == 'o')) &&
1111 ((mailbox
[4] == 'X') || (mailbox
[4] == 'x')) && !mailbox
[5]) {
1112 MM_LOG ("Can't delete INBOX",ERROR
);
1115 return SAFE_DELETE (dtb
,stream
,mailbox
);
1119 /* Mail rename mailbox
1120 * Accepts: mail stream
1123 * Returns: T on success, NIL on failure
1126 long mail_rename (MAILSTREAM
*stream
,char *old
,char *newname
)
1128 char *s
,tmp
[MAILTMPLEN
];
1129 DRIVER
*dtb
= mail_valid (stream
,old
,"rename mailbox");
1130 if (!dtb
) return NIL
;
1132 if ((s
= mail_utf7_valid (newname
)) != NULL
) {
1133 sprintf (tmp
,"Can't rename to %s: %.80s",s
,newname
);
1137 if ((*old
!= '{') && (*old
!= '#') && mail_valid (NIL
,newname
,NIL
)) {
1138 sprintf (tmp
,"Can't rename %.80s: mailbox %.80s already exists",
1143 return SAFE_RENAME (dtb
,stream
,old
,newname
);
1146 /* Validate mailbox as Modified UTF-7
1147 * Accepts: candidate mailbox name
1148 * Returns: error string if error, NIL if valid
1151 char *mail_utf7_valid (char *mailbox
)
1154 for (s
= mailbox
; *s
; s
++) { /* make sure valid name */
1155 /* reserved for future use with UTF-8 */
1156 if (*s
& 0x80) return "mailbox name with 8-bit octet";
1157 /* validate modified UTF-7 */
1158 else if (*s
== '&') while (*++s
!= '-') switch (*s
) {
1160 return "unterminated modified UTF-7 name";
1161 case '+': /* valid modified BASE64 */
1163 break; /* all OK so far */
1164 default: /* must be alphanumeric */
1165 if (!isalnum (*s
)) return "invalid modified UTF-7 name";
1169 return NIL
; /* all OK */
1172 /* Mail status of mailbox
1173 * Accepts: mail stream if open on this mailbox
1176 * Returns: T on success, NIL on failure
1179 long mail_status (MAILSTREAM
*stream
,char *mbx
,long flags
)
1181 DRIVER
*dtb
= mail_valid (stream
,mbx
,"get status of mailbox");
1182 if (!dtb
) return NIL
; /* only if valid */
1183 if (stream
&& ((dtb
!= stream
->dtb
) ||
1184 ((dtb
->flags
& DR_LOCAL
) && strcmp (mbx
,stream
->mailbox
) &&
1185 strcmp (mbx
,stream
->original_mailbox
))))
1186 stream
= NIL
; /* stream not suitable */
1187 return SAFE_STATUS (dtb
,stream
,mbx
,flags
);
1191 /* Mail status of mailbox default handler
1192 * Accepts: mail stream
1195 * Returns: T on success, NIL on failure
1198 long mail_status_default (MAILSTREAM
*stream
,char *mbx
,long flags
)
1202 MAILSTREAM
*tstream
= NIL
;
1203 /* make temporary stream (unless this mbx) */
1204 if (!stream
&& !(stream
= tstream
=
1205 mail_open (NIL
,mbx
,OP_READONLY
|OP_SILENT
))) return NIL
;
1206 status
.flags
= flags
; /* return status values */
1207 status
.messages
= stream
->nmsgs
;
1208 status
.recent
= stream
->recent
;
1209 if (flags
& SA_UNSEEN
) /* must search to get unseen messages */
1210 for (i
= 1,status
.unseen
= 0; i
<= stream
->nmsgs
; i
++)
1211 if (!mail_elt (stream
,i
)->seen
) status
.unseen
++;
1212 status
.uidnext
= stream
->uid_last
+ 1;
1213 status
.uidvalidity
= stream
->uid_validity
;
1214 MM_STATUS(stream
,mbx
,&status
);/* pass status to main program */
1215 if (tstream
) mail_close (tstream
);
1216 return T
; /* success */
1220 * Accepts: candidate stream for recycling
1223 * Returns: stream to use on success, NIL on failure
1226 MAILSTREAM
*mail_open (MAILSTREAM
*stream
,char *name
,long options
)
1229 char c
,*s
,tmp
[MAILTMPLEN
];
1232 switch (name
[0]) { /* see if special handling */
1233 case '#': /* possible special hacks */
1234 if (((name
[1] == 'M') || (name
[1] == 'm')) &&
1235 ((name
[2] == 'O') || (name
[2] == 'o')) &&
1236 ((name
[3] == 'V') || (name
[3] == 'v')) &&
1237 ((name
[4] == 'E') || (name
[4] == 'e')) && (c
= name
[5]) &&
1238 (s
= strchr (name
+6,c
)) && (i
= s
- (name
+ 6)) && (i
< MAILTMPLEN
)) {
1239 if ((stream
= mail_open (stream
,s
+1,options
)) != NULL
) {
1240 strncpy (tmp
,name
+6,i
); /* copy snarf mailbox name */
1241 tmp
[i
] = '\0'; /* tie off name */
1242 mail_parameters (stream
,SET_SNARFMAILBOXNAME
,(void *) tmp
);
1243 stream
->snarf
.options
= options
;
1244 mail_ping (stream
); /* do initial snarf */
1245 /* punt if can't do initial snarf */
1246 if (!stream
->snarf
.time
) stream
= mail_close (stream
);
1250 /* special POP hack */
1251 else if (((name
[1] == 'P') || (name
[1] == 'p')) &&
1252 ((name
[2] == 'O') || (name
[2] == 'o')) &&
1253 ((name
[3] == 'P') || (name
[3] == 'p')) &&
1254 mail_valid_net_parse_work (name
+4,&mb
,"pop3") &&
1255 !strcmp (mb
.service
,"pop3") && !mb
.anoflag
&& !mb
.readonlyflag
) {
1256 if ((stream
= mail_open (stream
,mb
.mailbox
,options
)) != NULL
) {
1257 sprintf (tmp
,"{%.255s",mb
.host
);
1258 if (mb
.port
) sprintf (tmp
+ strlen (tmp
),":%lu",mb
.port
);
1259 if (mb
.user
[0]) sprintf (tmp
+ strlen (tmp
),"/user=%.64s",mb
.user
);
1260 if (mb
.dbgflag
) strcat (tmp
,"/debug");
1261 if (mb
.secflag
) strcat (tmp
,"/secure");
1262 if (mb
.tlsflag
) strcat (tmp
,"/tls");
1263 if (mb
.notlsflag
) strcat (tmp
,"/notls");
1264 if (mb
.sslflag
) strcat (tmp
,"/ssl");
1265 if (mb
.tls1
) strcat (tmp
,"/tls1");
1266 if (mb
.tls1_1
) strcat (tmp
,"/tls1_1");
1267 if (mb
.tls1_2
) strcat (tmp
,"/tls1_2");
1268 if (mb
.tls1_3
) strcat (tmp
,"/tls1_3");
1269 if (mb
.trysslflag
) strcat (tmp
,"/tryssl");
1270 if (mb
.novalidate
) strcat (tmp
,"/novalidate-cert");
1271 strcat (tmp
,"/pop3/loser}");
1272 mail_parameters (stream
,SET_SNARFMAILBOXNAME
,(void *) tmp
);
1273 mail_ping (stream
); /* do initial snarf */
1275 return stream
; /* return local mailbox stream */
1278 else if ((options
& OP_PROTOTYPE
) &&
1279 ((name
[1] == 'D') || (name
[1] == 'd')) &&
1280 ((name
[2] == 'R') || (name
[2] == 'r')) &&
1281 ((name
[3] == 'I') || (name
[3] == 'i')) &&
1282 ((name
[4] == 'V') || (name
[4] == 'v')) &&
1283 ((name
[5] == 'E') || (name
[5] == 'e')) &&
1284 ((name
[6] == 'R') || (name
[6] == 'r')) && (name
[7] == '.')) {
1285 sprintf (tmp
,"%.80s",name
+8);
1286 /* tie off name at likely delimiter */
1287 if ((s
= strpbrk (tmp
,"/\\:")) != NULL
) *s
++ = '\0';
1289 sprintf (tmp
,"Can't resolve mailbox %.80s: bad driver syntax",name
);
1291 return mail_close (stream
);
1293 for (d
= maildrivers
; d
&& compare_cstring (d
->name
,tmp
); d
= d
->next
);
1294 if (d
) return (*d
->open
) (NIL
);
1295 sprintf (tmp
,"Can't resolve mailbox %.80s: unknown driver",name
);
1297 return mail_close (stream
);
1299 /* fall through to default case */
1300 default: /* not special hack (but could be # name */
1301 d
= mail_valid (NIL
,name
,(options
& OP_SILENT
) ?
1302 (char *) NIL
: "open mailbox");
1304 return d
? mail_open_work (d
,stream
,name
,options
) : stream
;
1307 /* Mail open worker routine
1309 * candidate stream for recycling
1312 * Returns: stream to use on success, NIL on failure
1315 MAILSTREAM
*mail_open_work (DRIVER
*d
,MAILSTREAM
*stream
,char *name
,
1319 char tmp
[MAILTMPLEN
];
1321 if (options
& OP_PROTOTYPE
) return (*d
->open
) (NIL
);
1322 /* name is copied here in case the caller does a re-open using
1323 * stream->mailbox or stream->original_mailbox as the argument.
1325 name
= cpystr (name
); /* make copy of name */
1326 if (stream
) { /* recycling requested? */
1327 if ((stream
->dtb
== d
) && (d
->flags
& DR_RECYCLE
) &&
1328 ((d
->flags
& DR_HALFOPEN
) || !(options
& OP_HALFOPEN
)) &&
1329 mail_usable_network_stream (stream
,name
)) {
1330 /* yes, checkpoint if needed */
1331 if (d
->flags
& DR_XPOINT
) mail_check (stream
);
1332 mail_free_cache (stream
); /* clean up stream */
1333 if (stream
->mailbox
) fs_give ((void **) &stream
->mailbox
);
1334 if (stream
->original_mailbox
)
1335 fs_give ((void **) &stream
->original_mailbox
);
1336 /* flush user flags */
1337 for (i
= 0; i
< NUSERFLAGS
; i
++)
1338 if (stream
->user_flags
[i
]) fs_give ((void **) &stream
->user_flags
[i
]);
1340 else { /* stream not recycleable, babble if net */
1341 if (!stream
->silent
&& stream
->dtb
&& !(stream
->dtb
->flags
&DR_LOCAL
) &&
1342 mail_valid_net_parse (stream
->mailbox
,&mb
)) {
1343 sprintf (tmp
,"Closing connection to %.80s",mb
.host
);
1344 MM_LOG (tmp
,(long) NIL
);
1346 /* flush the old stream */
1347 stream
= mail_close (stream
);
1350 /* check if driver does not support halfopen */
1351 else if ((options
& OP_HALFOPEN
) && !(d
->flags
& DR_HALFOPEN
)) {
1352 fs_give ((void **) &name
);
1356 /* instantiate new stream if not recycling */
1357 if (!stream
) (*mailcache
) (stream
= (MAILSTREAM
*)
1358 memset (fs_get (sizeof (MAILSTREAM
)),0,
1359 sizeof (MAILSTREAM
)),(long) 0,CH_INIT
);
1360 stream
->dtb
= d
; /* set dispatch */
1361 /* set mailbox name */
1362 stream
->mailbox
= cpystr (stream
->original_mailbox
= name
);
1363 /* initialize stream flags */
1364 stream
->inbox
= stream
->lock
= NIL
;
1365 stream
->debug
= (options
& OP_DEBUG
) ? T
: NIL
;
1366 stream
->rdonly
= (options
& OP_READONLY
) ? T
: NIL
;
1367 stream
->anonymous
= (options
& OP_ANONYMOUS
) ? T
: NIL
;
1368 stream
->scache
= (options
& OP_SHORTCACHE
) ? T
: NIL
;
1369 stream
->silent
= (options
& OP_SILENT
) ? T
: NIL
;
1370 stream
->halfopen
= (options
& OP_HALFOPEN
) ? T
: NIL
;
1371 stream
->secure
= (options
& OP_SECURE
) ? T
: NIL
;
1372 stream
->tryssl
= (options
& OP_TRYSSL
) ? T
: NIL
;
1373 stream
->mulnewsrc
= (options
& OP_MULNEWSRC
) ? T
: NIL
;
1374 stream
->nokod
= (options
& OP_NOKOD
) ? T
: NIL
;
1375 stream
->sniff
= (options
& OP_SNIFF
) ? T
: NIL
;
1376 stream
->perm_seen
= stream
->perm_deleted
= stream
->perm_flagged
=
1377 stream
->perm_answered
= stream
->perm_draft
= stream
->kwd_create
= NIL
;
1378 stream
->uid_nosticky
= (d
->flags
& DR_NOSTICKY
) ? T
: NIL
;
1379 stream
->uid_last
= 0; /* default UID validity */
1380 stream
->uid_validity
= (unsigned long) time (0);
1381 /* have driver open, flush if failed */
1382 return ((*d
->open
) (stream
)) ? stream
: mail_close (stream
);
1386 * Accepts: mail stream
1388 * Returns: NIL, always
1391 MAILSTREAM
*mail_close_full (MAILSTREAM
*stream
,long options
)
1394 if (stream
) { /* make sure argument given */
1395 /* do the driver's close action */
1396 if (stream
->dtb
) (*stream
->dtb
->close
) (stream
,options
);
1397 stream
->dtb
= NIL
; /* resign driver */
1398 if (stream
->mailbox
) fs_give ((void **) &stream
->mailbox
);
1399 if (stream
->original_mailbox
)
1400 fs_give ((void **) &stream
->original_mailbox
);
1401 if (stream
->snarf
.name
) fs_give ((void **) &stream
->snarf
.name
);
1402 stream
->sequence
++; /* invalidate sequence */
1403 /* flush user flags */
1404 for (i
= 0; i
< NUSERFLAGS
; i
++)
1405 if (stream
->user_flags
[i
]) fs_give ((void **) &stream
->user_flags
[i
]);
1406 mail_free_cache (stream
); /* finally free the stream's storage */
1407 if (mailfreestreamsparep
&& stream
->sparep
)
1408 (*mailfreestreamsparep
) (&stream
->sparep
);
1409 if (!stream
->use
) fs_give ((void **) &stream
);
1415 * Accepts: mail stream
1418 * Handles provide a way to have multiple pointers to a stream yet allow the
1419 * stream's owner to nuke it or recycle it.
1422 MAILHANDLE
*mail_makehandle (MAILSTREAM
*stream
)
1424 MAILHANDLE
*handle
= (MAILHANDLE
*) fs_get (sizeof (MAILHANDLE
));
1425 handle
->stream
= stream
; /* copy stream */
1426 /* and its sequence */
1427 handle
->sequence
= stream
->sequence
;
1428 stream
->use
++; /* let stream know another handle exists */
1432 void mail_free_idlist (IDLIST
**idlist
)
1434 if (idlist
&& *idlist
){
1435 if((*idlist
)->name
) fs_give((void **)&(*idlist
)->name
);
1436 if((*idlist
)->value
) fs_give((void **)&(*idlist
)->value
);
1437 if((*idlist
)->next
) mail_free_idlist(&(*idlist
)->next
);
1438 fs_give((void **) idlist
);
1443 /* Mail release handle
1444 * Accepts: Mail handle
1447 void mail_free_handle (MAILHANDLE
**handle
)
1450 if (*handle
) { /* only free if exists */
1451 /* resign stream, flush unreferenced zombies */
1452 if ((!--(s
= (*handle
)->stream
)->use
) && !s
->dtb
) fs_give ((void **) &s
);
1453 fs_give ((void **) handle
); /* now flush the handle */
1458 /* Mail get stream handle
1459 * Accepts: Mail handle
1460 * Returns: mail stream or NIL if stream gone
1463 MAILSTREAM
*mail_stream (MAILHANDLE
*handle
)
1465 MAILSTREAM
*s
= handle
->stream
;
1466 return (s
->dtb
&& (handle
->sequence
== s
->sequence
)) ? s
: NIL
;
1469 /* Mail fetch cache element
1470 * Accepts: mail stream
1471 * message # to fetch
1472 * Returns: cache element of this message
1473 * Can also be used to create cache elements for new messages.
1476 MESSAGECACHE
*mail_elt (MAILSTREAM
*stream
,unsigned long msgno
)
1478 if (msgno
< 1 || msgno
> stream
->nmsgs
) {
1479 char tmp
[MAILTMPLEN
];
1480 sprintf (tmp
,"Bad msgno %lu in mail_elt, nmsgs = %lu, mbx=%.80s",
1481 msgno
,stream
->nmsgs
,stream
->mailbox
? stream
->mailbox
: "???");
1484 return (MESSAGECACHE
*) (*mailcache
) (stream
,msgno
,CH_MAKEELT
);
1488 /* Mail fetch fast information
1489 * Accepts: mail stream
1493 * Generally, mail_fetch_structure is preferred
1496 void mail_fetch_fast (MAILSTREAM
*stream
,char *sequence
,long flags
)
1498 /* do the driver's action */
1499 if (stream
->dtb
&& stream
->dtb
->fast
)
1500 (*stream
->dtb
->fast
) (stream
,sequence
,flags
);
1505 * Accepts: mail stream
1510 void mail_fetch_flags (MAILSTREAM
*stream
,char *sequence
,long flags
)
1512 /* do the driver's action */
1513 if (stream
->dtb
&& stream
->dtb
->msgflags
)
1514 (*stream
->dtb
->msgflags
) (stream
,sequence
,flags
);
1517 /* Mail fetch message overview
1518 * Accepts: mail stream
1519 * UID sequence to fetch
1520 * pointer to overview return function
1523 void mail_fetch_overview (MAILSTREAM
*stream
,char *sequence
,overview_t ofn
)
1525 if (stream
->dtb
&& mail_uid_sequence (stream
,sequence
) &&
1526 !(stream
->dtb
->overview
&& (*stream
->dtb
->overview
) (stream
,ofn
)) &&
1528 mail_fetch_overview_default (stream
,ofn
);
1532 /* Mail fetch message overview using sequence numbers instead of UIDs
1533 * Accepts: mail stream
1535 * pointer to overview return function
1538 void mail_fetch_overview_sequence (MAILSTREAM
*stream
,char *sequence
,
1541 if (stream
->dtb
&& mail_sequence (stream
,sequence
) &&
1542 !(stream
->dtb
->overview
&& (*stream
->dtb
->overview
) (stream
,ofn
)) &&
1544 mail_fetch_overview_default (stream
,ofn
);
1548 /* Mail fetch message overview default handler
1549 * Accepts: mail stream with sequence bits lit
1550 * pointer to overview return function
1553 void mail_fetch_overview_default (MAILSTREAM
*stream
,overview_t ofn
)
1559 ov
.optional
.lines
= 0;
1560 ov
.optional
.xref
= NIL
;
1561 for (i
= 1; i
<= stream
->nmsgs
; i
++)
1562 if (((elt
= mail_elt (stream
,i
))->sequence
) &&
1563 (env
= mail_fetch_structure (stream
,i
,NIL
,NIL
)) && ofn
) {
1564 ov
.subject
= env
->subject
;
1565 ov
.from
= env
->from
;
1566 ov
.date
= env
->date
;
1567 ov
.message_id
= env
->message_id
;
1568 ov
.references
= env
->references
;
1569 ov
.optional
.octets
= elt
->rfc822_size
;
1570 (*ofn
) (stream
,mail_uid (stream
,i
),&ov
,i
);
1574 /* Mail fetch message structure
1575 * Accepts: mail stream
1576 * message # to fetch
1577 * pointer to return body
1579 * Returns: envelope of this message, body returned in body value
1581 * Fetches the "fast" information as well
1584 ENVELOPE
*mail_fetch_structure (MAILSTREAM
*stream
,unsigned long msgno
,
1585 BODY
**body
,long flags
)
1591 unsigned long hdrsize
;
1593 /* do the driver's action if specified */
1594 if (stream
->dtb
&& stream
->dtb
->structure
)
1595 return (*stream
->dtb
->structure
) (stream
,msgno
,body
,flags
);
1596 if (flags
& FT_UID
) { /* UID form of call */
1597 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
1598 else return NIL
; /* must get UID/msgno map first */
1600 elt
= mail_elt (stream
,msgno
);/* get elt for real message number */
1601 if (stream
->scache
) { /* short caching */
1602 if (msgno
!= stream
->msgno
){/* garbage collect if not same message */
1603 mail_gc (stream
,GC_ENV
| GC_TEXTS
);
1604 stream
->msgno
= msgno
; /* this is the current message now */
1606 env
= &stream
->env
; /* get pointers to envelope and body */
1609 else { /* get pointers to elt envelope and body */
1610 env
= &elt
->private.msg
.env
;
1611 b
= &elt
->private.msg
.body
;
1614 if (stream
->dtb
&& ((body
&& !*b
) || !*env
|| (*env
)->incomplete
)) {
1615 mail_free_envelope (env
); /* flush old envelope and body */
1617 /* see if need to fetch the whole thing */
1618 if (body
|| !elt
->rfc822_size
) {
1619 s
= (*stream
->dtb
->header
) (stream
,msgno
,&hdrsize
,flags
& ~FT_INTERNAL
);
1620 /* make copy in case body fetch smashes it */
1621 hdr
= (char *) memcpy (fs_get ((size_t) hdrsize
+1),s
,(size_t) hdrsize
);
1622 hdr
[hdrsize
] = '\0'; /* tie off header */
1623 (*stream
->dtb
->text
) (stream
,msgno
,&bs
,(flags
& ~FT_INTERNAL
) | FT_PEEK
);
1624 if (!elt
->rfc822_size
) elt
->rfc822_size
= hdrsize
+ SIZE (&bs
);
1625 if (body
) /* only parse body if requested */
1626 rfc822_parse_msg (env
,b
,hdr
,hdrsize
,&bs
,BADHOST
,stream
->dtb
->flags
);
1628 rfc822_parse_msg (env
,NIL
,hdr
,hdrsize
,NIL
,BADHOST
,stream
->dtb
->flags
);
1629 fs_give ((void **) &hdr
); /* flush header */
1631 else { /* can save memory doing it this way */
1632 hdr
= (*stream
->dtb
->header
) (stream
,msgno
,&hdrsize
,flags
| FT_INTERNAL
);
1633 if (hdrsize
) { /* in case null header */
1634 c
= hdr
[hdrsize
]; /* preserve what's there */
1635 hdr
[hdrsize
] = '\0'; /* tie off header */
1636 rfc822_parse_msg (env
,NIL
,hdr
,hdrsize
,NIL
,BADHOST
,stream
->dtb
->flags
);
1637 hdr
[hdrsize
] = c
; /* restore in case cached data */
1639 else *env
= mail_newenvelope ();
1642 /* if need date, have date in envelope? */
1643 if (!elt
->day
&& *env
&& (*env
)->date
) mail_parse_date (elt
,(*env
)->date
);
1644 /* sigh, fill in bogus default */
1645 if (!elt
->day
) elt
->day
= elt
->month
= 1;
1646 if (body
) *body
= *b
; /* return the body */
1647 return *env
; /* return the envelope */
1650 /* Mail mark single message (internal use only)
1651 * Accepts: mail stream
1656 static void markseen (MAILSTREAM
*stream
,MESSAGECACHE
*elt
,long flags
)
1661 /* non-peeking and needs to set \Seen? */
1662 if (!(flags
& FT_PEEK
) && !elt
->seen
) {
1663 if (stream
->dtb
->flagmsg
){ /* driver wants per-message call? */
1664 elt
->valid
= NIL
; /* do pre-alteration driver call */
1665 (*stream
->dtb
->flagmsg
) (stream
,elt
);
1666 /* set seen, do post-alteration driver call */
1667 elt
->seen
= elt
->valid
= T
;
1668 (*stream
->dtb
->flagmsg
) (stream
,elt
);
1670 if (stream
->dtb
->flag
) { /* driver wants one-time call? */
1671 /* better safe than sorry, save seq bits */
1672 for (i
= 1; i
<= stream
->nmsgs
; i
++) {
1673 e
= mail_elt (stream
,i
);
1674 e
->private.sequence
= e
->sequence
;
1676 /* call driver to set the message */
1677 sprintf (sequence
,"%lu",elt
->msgno
);
1678 (*stream
->dtb
->flag
) (stream
,sequence
,"\\Seen",ST_SET
);
1679 /* restore sequence bits */
1680 for (i
= 1; i
<= stream
->nmsgs
; i
++) {
1681 e
= mail_elt (stream
,i
);
1682 e
->sequence
= e
->private.sequence
;
1685 /* notify mail program of flag change */
1686 MM_FLAGS (stream
,elt
->msgno
);
1690 /* Mail fetch message
1691 * Accepts: mail stream
1692 * message # to fetch
1693 * pointer to returned length
1695 * Returns: message text
1698 char *mail_fetch_message (MAILSTREAM
*stream
,unsigned long msgno
,
1699 unsigned long *len
,long flags
)
1707 if (len
) *len
= 0; /* default return size */
1708 if (flags
& FT_UID
) { /* UID form of call */
1709 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
1710 else return ""; /* must get UID/msgno map first */
1712 /* initialize message data identifier */
1713 INIT_GETS (md
,stream
,msgno
,"",0,0);
1714 /* is data already cached? */
1715 if ((t
= &(elt
= mail_elt (stream
,msgno
))->private.msg
.full
.text
)->data
) {
1716 markseen (stream
,elt
,flags
);/* mark message seen */
1717 return mail_fetch_text_return (&md
,t
,len
);
1719 if (!stream
->dtb
) return ""; /* not in cache, must have live driver */
1720 if (stream
->dtb
->msgdata
) return
1721 ((*stream
->dtb
->msgdata
) (stream
,msgno
,"",0,0,NIL
,flags
) && t
->data
) ?
1722 mail_fetch_text_return (&md
,t
,len
) : "";
1723 /* ugh, have to do this the crufty way */
1724 u
= mail_fetch_header (stream
,msgno
,NIL
,NIL
,&i
,flags
);
1725 /* copy in case text method stomps on it */
1726 s
= (char *) memcpy (fs_get ((size_t) i
),u
,(size_t) i
);
1727 if ((*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) {
1728 t
= &stream
->text
; /* build combined copy */
1729 if (t
->data
) fs_give ((void **) &t
->data
);
1730 t
->data
= (unsigned char *) fs_get ((t
->size
= i
+ SIZE (&bs
)) + 1);
1731 if (!elt
->rfc822_size
) elt
->rfc822_size
= t
->size
;
1732 else if (elt
->rfc822_size
!= t
->size
) {
1733 char tmp
[MAILTMPLEN
];
1734 sprintf (tmp
,"Calculated RFC822.SIZE (%lu) != reported size (%lu)",
1735 t
->size
,elt
->rfc822_size
);
1736 mm_log (tmp
,WARN
); /* bug trap */
1738 memcpy (t
->data
,s
,(size_t) i
);
1739 for (u
= (char *) t
->data
+ i
, j
= SIZE (&bs
); j
;) {
1740 memcpy (u
,bs
.curpos
,bs
.cursize
);
1741 u
+= bs
.cursize
; /* update text */
1743 bs
.curpos
+= (bs
.cursize
-1);
1745 (*bs
.dtb
->next
) (&bs
); /* advance to next buffer's worth */
1747 *u
= '\0'; /* tie off data */
1748 u
= mail_fetch_text_return (&md
,t
,len
);
1751 fs_give ((void **) &s
); /* finished with copy of header */
1755 /* Mail fetch message header
1756 * Accepts: mail stream
1757 * message # to fetch
1758 * MIME section specifier (#.#.#...#)
1759 * list of lines to fetch
1760 * pointer to returned length
1762 * Returns: message header in RFC822 format
1764 * Note: never calls a mailgets routine
1767 char *mail_fetch_header (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
1768 STRINGLIST
*lines
,unsigned long *len
,long flags
)
1772 SIZEDTEXT
*t
= NIL
,rt
;
1775 char tmp
[MAILTMPLEN
];
1776 if (len
) *len
= 0; /* default return size */
1777 if (section
&& (strlen (section
) > (MAILTMPLEN
- 20))) return "";
1778 if (flags
& FT_UID
) { /* UID form of call */
1779 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
1780 else return ""; /* must get UID/msgno map first */
1782 elt
= mail_elt (stream
,msgno
);/* get cache data */
1783 if (section
&& *section
) { /* nested body header wanted? */
1784 if (!((b
= mail_body (stream
,msgno
,section
)) &&
1785 (b
->type
== TYPEMESSAGE
) && !strcmp (b
->subtype
,"RFC822")))
1786 return ""; /* lose if no body or not MESSAGE/RFC822 */
1787 m
= b
->nested
.msg
; /* point to nested message */
1789 /* else top-level message header wanted */
1790 else m
= &elt
->private.msg
;
1791 if (m
->header
.text
.data
&& mail_match_lines (lines
,m
->lines
,flags
)) {
1792 if (lines
) textcpy (t
= &stream
->text
,&m
->header
.text
);
1793 else t
= &m
->header
.text
; /* in cache, and cache is valid */
1794 markseen (stream
,elt
,flags
);/* mark message seen */
1797 else if (stream
->dtb
) { /* not in cache, has live driver? */
1798 if (stream
->dtb
->msgdata
) { /* has driver section fetch? */
1799 /* build driver section specifier */
1800 if (section
&& *section
) sprintf (tmp
,"%s.HEADER",section
);
1801 else strcpy (tmp
,"HEADER");
1802 if ((*stream
->dtb
->msgdata
) (stream
,msgno
,tmp
,0,0,lines
,flags
)) {
1803 t
= &m
->header
.text
; /* fetch data */
1804 /* don't need to postprocess lines */
1805 if (m
->lines
) lines
= NIL
;
1806 else if (lines
) textcpy (t
= &stream
->text
,&m
->header
.text
);
1809 else if (b
) { /* nested body wanted? */
1810 if (stream
->private.search
.text
) {
1811 rt
.data
= (unsigned char *) stream
->private.search
.text
+
1812 b
->nested
.msg
->header
.offset
;
1813 rt
.size
= b
->nested
.msg
->header
.text
.size
;
1816 else if ((*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
& ~FT_INTERNAL
)) {
1817 if ((bs
.dtb
->next
== mail_string_next
) && !lines
) {
1818 rt
.data
= (unsigned char *) bs
.curpos
+ b
->nested
.msg
->header
.offset
;
1819 rt
.size
= b
->nested
.msg
->header
.text
.size
;
1820 if (stream
->private.search
.string
)
1821 stream
->private.search
.text
= bs
.curpos
;
1822 t
= &rt
; /* special hack to avoid extra copy */
1824 else textcpyoffstring (t
= &stream
->text
,&bs
,
1825 b
->nested
.msg
->header
.offset
,
1826 b
->nested
.msg
->header
.text
.size
);
1829 else { /* top-level header fetch */
1830 /* mark message seen */
1831 markseen (stream
,elt
,flags
);
1832 if ((rt
.data
= (unsigned char *)
1833 (*stream
->dtb
->header
) (stream
,msgno
,&rt
.size
,flags
)) != NULL
) {
1834 /* make a safe copy if need to filter */
1835 if (lines
) textcpy (t
= &stream
->text
,&rt
);
1836 else t
= &rt
; /* top level header */
1840 if (!t
|| !t
->data
) return "";/* error if no string */
1841 /* filter headers if requested */
1842 if (lines
) t
->size
= mail_filter ((char *) t
->data
,t
->size
,lines
,flags
);
1843 if (len
) *len
= t
->size
; /* return size if requested */
1844 return (char *) t
->data
; /* and text */
1847 /* Mail fetch message text
1848 * Accepts: mail stream
1849 * message # to fetch
1850 * MIME section specifier (#.#.#...#)
1851 * pointer to returned length
1853 * Returns: message text
1856 char *mail_fetch_text (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
1857 unsigned long *len
,long flags
)
1864 char tmp
[MAILTMPLEN
];
1866 if (len
) *len
= 0; /* default return size */
1867 memset (&stream
->private.string
,NIL
,sizeof (STRING
));
1868 if (section
&& (strlen (section
) > (MAILTMPLEN
- 20))) return "";
1869 if (flags
& FT_UID
) { /* UID form of call */
1870 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
1871 else return ""; /* must get UID/msgno map first */
1873 elt
= mail_elt (stream
,msgno
);/* get cache data */
1874 if (section
&& *section
) { /* nested body text wanted? */
1875 if (!((b
= mail_body (stream
,msgno
,section
)) &&
1876 (b
->type
== TYPEMESSAGE
) && !strcmp (b
->subtype
,"RFC822")))
1877 return ""; /* lose if no body or not MESSAGE/RFC822 */
1878 p
= &b
->nested
.msg
->text
; /* point at nested message */
1879 /* build IMAP-format section specifier */
1880 sprintf (tmp
,"%s.TEXT",section
);
1881 flags
&= ~FT_INTERNAL
; /* can't win with this set */
1883 else { /* top-level message text wanted */
1884 p
= &elt
->private.msg
.text
;
1885 strcpy (tmp
,"TEXT");
1887 /* initialize message data identifier */
1888 INIT_GETS (md
,stream
,msgno
,section
,0,0);
1889 if (p
->text
.data
) { /* is data already cached? */
1890 markseen (stream
,elt
,flags
);/* mark message seen */
1891 return mail_fetch_text_return (&md
,&p
->text
,len
);
1893 if (!stream
->dtb
) return ""; /* not in cache, must have live driver */
1894 if (stream
->dtb
->msgdata
) return
1895 ((*stream
->dtb
->msgdata
) (stream
,msgno
,tmp
,0,0,NIL
,flags
) && p
->text
.data
)?
1896 mail_fetch_text_return (&md
,&p
->text
,len
) : "";
1897 if (!(*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) return "";
1898 if (section
&& *section
) { /* nested is more complex */
1899 SETPOS (&bs
,p
->offset
);
1900 i
= p
->text
.size
; /* just want this much */
1902 else i
= SIZE (&bs
); /* want entire text */
1903 return mail_fetch_string_return (&md
,&bs
,i
,len
,flags
);
1906 /* Mail fetch message body part MIME headers
1907 * Accepts: mail stream
1908 * message # to fetch
1909 * MIME section specifier (#.#.#...#)
1910 * pointer to returned length
1912 * Returns: message text
1915 char *mail_fetch_mime (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
1916 unsigned long *len
,long flags
)
1921 char tmp
[MAILTMPLEN
];
1922 if (len
) *len
= 0; /* default return size */
1923 if (section
&& (strlen (section
) > (MAILTMPLEN
- 20))) return "";
1924 if (flags
& FT_UID
) { /* UID form of call */
1925 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
1926 else return ""; /* must get UID/msgno map first */
1928 flags
&= ~FT_INTERNAL
; /* can't win with this set */
1929 if (!(section
&& *section
&& (b
= mail_body (stream
,msgno
,section
))))
1930 return ""; /* not valid section */
1932 if ((p
= &b
->mime
)->text
.data
) {
1933 /* mark message seen */
1934 markseen (stream
,mail_elt (stream
,msgno
),flags
);
1935 if (len
) *len
= p
->text
.size
;
1936 return (char *) p
->text
.data
;
1938 if (!stream
->dtb
) return ""; /* not in cache, must have live driver */
1939 if (stream
->dtb
->msgdata
) { /* has driver fetch? */
1940 /* build driver section specifier */
1941 sprintf (tmp
,"%s.MIME",section
);
1942 if ((*stream
->dtb
->msgdata
) (stream
,msgno
,tmp
,0,0,NIL
,flags
) &&
1944 if (len
) *len
= p
->text
.size
;
1945 return (char *) p
->text
.data
;
1949 if (len
) *len
= b
->mime
.text
.size
;
1950 if (!b
->mime
.text
.size
) { /* empty MIME header -- mark seen anyway */
1951 markseen (stream
,mail_elt (stream
,msgno
),flags
);
1954 /* have to get it from offset */
1955 if (stream
->private.search
.text
)
1956 return stream
->private.search
.text
+ b
->mime
.offset
;
1957 if (!(*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) {
1961 if (bs
.dtb
->next
== mail_string_next
) {
1962 if (stream
->private.search
.string
) stream
->private.search
.text
= bs
.curpos
;
1963 return bs
.curpos
+ b
->mime
.offset
;
1965 return textcpyoffstring (&stream
->text
,&bs
,b
->mime
.offset
,b
->mime
.text
.size
);
1968 /* Mail fetch message body part
1969 * Accepts: mail stream
1970 * message # to fetch
1971 * MIME section specifier (#.#.#...#)
1972 * pointer to returned length
1974 * Returns: message body
1977 char *mail_fetch_body (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
1978 unsigned long *len
,long flags
)
1985 char *s
,tmp
[MAILTMPLEN
];
1986 memset (&stream
->private.string
,NIL
,sizeof (STRING
));
1987 if (!(section
&& *section
)) /* top-level text wanted? */
1988 return mail_fetch_message (stream
,msgno
,len
,flags
);
1989 else if (strlen (section
) > (MAILTMPLEN
- 20)) return "";
1990 flags
&= ~FT_INTERNAL
; /* can't win with this set */
1991 /* initialize message data identifier */
1992 INIT_GETS (md
,stream
,msgno
,section
,0,0);
1993 /* kludge for old section 0 header */
1994 if (!strcmp (s
= strcpy (tmp
,section
),"0") ||
1995 ((s
= strstr (tmp
,".0")) && !s
[2])) {
1997 *s
= '\0'; /* tie off section */
1998 /* this silly way so it does mailgets */
1999 ht
.data
= (unsigned char *) mail_fetch_header (stream
,msgno
,
2000 tmp
[0] ? tmp
: NIL
,NIL
,
2002 /* may have UIDs here */
2003 md
.flags
= (flags
& FT_UID
) ? MG_UID
: NIL
;
2004 return mail_fetch_text_return (&md
,&ht
,len
);
2006 if (len
) *len
= 0; /* default return size */
2007 if (flags
& FT_UID
) { /* UID form of call */
2008 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
2009 else return ""; /* must get UID/msgno map first */
2011 /* must have body */
2012 if (!(b
= mail_body (stream
,msgno
,section
))) return "";
2013 /* have cached text? */
2014 if ((t
= &(p
= &b
->contents
)->text
)->data
) {
2015 /* mark message seen */
2016 markseen (stream
,mail_elt (stream
,msgno
),flags
);
2017 return mail_fetch_text_return (&md
,t
,len
);
2019 if (!stream
->dtb
) return ""; /* not in cache, must have live driver */
2020 if (stream
->dtb
->msgdata
) return
2021 ((*stream
->dtb
->msgdata
)(stream
,msgno
,section
,0,0,NIL
,flags
) && t
->data
) ?
2022 mail_fetch_text_return (&md
,t
,len
) : "";
2023 if (len
) *len
= t
->size
;
2024 if (!t
->size
) { /* empty body part -- mark seen anyway */
2025 markseen (stream
,mail_elt (stream
,msgno
),flags
);
2028 /* copy body from stringstruct offset */
2029 if (stream
->private.search
.text
)
2030 return stream
->private.search
.text
+ p
->offset
;
2031 if (!(*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) {
2035 if (bs
.dtb
->next
== mail_string_next
) {
2036 if (stream
->private.search
.string
) stream
->private.search
.text
= bs
.curpos
;
2037 return bs
.curpos
+ p
->offset
;
2039 SETPOS (&bs
,p
->offset
);
2040 return mail_fetch_string_return (&md
,&bs
,t
->size
,len
,flags
);
2043 /* Mail fetch partial message text
2044 * Accepts: mail stream
2045 * message # to fetch
2046 * MIME section specifier (#.#.#...#)
2047 * offset of first designed byte or 0 to start at beginning
2048 * maximum number of bytes or 0 for all bytes
2050 * Returns: T if successful, else NIL
2053 long mail_partial_text (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
2054 unsigned long first
,unsigned long last
,long flags
)
2061 char tmp
[MAILTMPLEN
];
2063 if (!mailgets
) fatal ("mail_partial_text() called without a mailgets!");
2064 if (section
&& (strlen (section
) > (MAILTMPLEN
- 20))) return NIL
;
2065 if (flags
& FT_UID
) { /* UID form of call */
2066 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
2067 else return NIL
; /* must get UID/msgno map first */
2069 elt
= mail_elt (stream
,msgno
);/* get cache data */
2070 flags
&= ~FT_INTERNAL
; /* bogus if this is set */
2071 if (section
&& *section
) { /* nested body text wanted? */
2072 if (!((b
= mail_body (stream
,msgno
,section
)) &&
2073 (b
->type
== TYPEMESSAGE
) && !strcmp (b
->subtype
,"RFC822")))
2074 return NIL
; /* lose if no body or not MESSAGE/RFC822 */
2075 p
= &b
->nested
.msg
->text
; /* point at nested message */
2076 /* build IMAP-format section specifier */
2077 sprintf (tmp
,"%s.TEXT",section
);
2079 else { /* else top-level message text wanted */
2080 p
= &elt
->private.msg
.text
;
2081 strcpy (tmp
,"TEXT");
2084 /* initialize message data identifier */
2085 INIT_GETS (md
,stream
,msgno
,tmp
,first
,last
);
2086 if (p
->text
.data
) { /* is data already cached? */
2087 INIT (&bs
,mail_string
,p
->text
.data
,i
= p
->text
.size
);
2088 markseen (stream
,elt
,flags
);/* mark message seen */
2090 else { /* else get data from driver */
2091 if (!stream
->dtb
) return NIL
;
2092 if (stream
->dtb
->msgdata
) /* driver will handle this */
2093 return (*stream
->dtb
->msgdata
) (stream
,msgno
,tmp
,first
,last
,NIL
,flags
);
2094 if (!(*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) return NIL
;
2095 if (section
&& *section
) { /* nexted if more complex */
2096 SETPOS (&bs
,p
->offset
); /* offset stringstruct to data */
2097 i
= p
->text
.size
; /* maximum size of data */
2099 else i
= SIZE (&bs
); /* just want this much */
2101 if (i
<= first
) i
= first
= 0;/* first byte is beyond end of text */
2102 /* truncate as needed */
2103 else { /* offset and truncate */
2104 SETPOS (&bs
,first
+ GETPOS (&bs
));
2105 i
-= first
; /* reduced size */
2106 if (last
&& (i
> last
)) i
= last
;
2108 /* do the mailgets thing */
2109 (*mailgets
) (mail_read
,&bs
,i
,&md
);
2110 return T
; /* success */
2113 /* Mail fetch partial message body part
2114 * Accepts: mail stream
2115 * message # to fetch
2116 * MIME section specifier (#.#.#...#)
2117 * offset of first designed byte or 0 to start at beginning
2118 * maximum number of bytes or 0 for all bytes
2120 * Returns: T if successful, else NIL
2123 long mail_partial_body (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
2124 unsigned long first
,unsigned long last
,long flags
)
2132 if (!(section
&& *section
)) /* top-level text wanted? */
2133 return mail_partial_text (stream
,msgno
,NIL
,first
,last
,flags
);
2134 if (!mailgets
) fatal ("mail_partial_body() called without a mailgets!");
2135 if (flags
& FT_UID
) { /* UID form of call */
2136 if ((msgno
= mail_msgno (stream
,msgno
)) != 0L) flags
&= ~FT_UID
;
2137 else return NIL
; /* must get UID/msgno map first */
2139 /* must have body */
2140 if (!(b
= mail_body (stream
,msgno
,section
))) return NIL
;
2141 flags
&= ~FT_INTERNAL
; /* bogus if this is set */
2143 /* initialize message data identifier */
2144 INIT_GETS (md
,stream
,msgno
,section
,first
,last
);
2145 /* have cached text? */
2146 if ((t
= &(p
= &b
->contents
)->text
)->data
) {
2147 /* mark message seen */
2148 markseen (stream
,mail_elt (stream
,msgno
),flags
);
2149 INIT (&bs
,mail_string
,t
->data
,i
= t
->size
);
2151 else { /* else get data from driver */
2152 if (!stream
->dtb
) return NIL
;
2153 if (stream
->dtb
->msgdata
) /* driver will handle this */
2154 return (*stream
->dtb
->msgdata
) (stream
,msgno
,section
,first
,last
,NIL
,
2156 if (!(*stream
->dtb
->text
) (stream
,msgno
,&bs
,flags
)) return NIL
;
2157 if (section
&& *section
) { /* nexted if more complex */
2158 SETPOS (&bs
,p
->offset
); /* offset stringstruct to data */
2159 i
= t
->size
; /* maximum size of data */
2161 else i
= SIZE (&bs
); /* just want this much */
2163 if (i
<= first
) i
= first
= 0;/* first byte is beyond end of text */
2164 else { /* offset and truncate */
2165 SETPOS (&bs
,first
+ GETPOS (&bs
));
2166 i
-= first
; /* reduced size */
2167 if (last
&& (i
> last
)) i
= last
;
2169 /* do the mailgets thing */
2170 (*mailgets
) (mail_read
,&bs
,i
,&md
);
2171 return T
; /* success */
2174 /* Mail return message text
2175 * Accepts: identifier data
2177 * pointer to returned length
2181 char *mail_fetch_text_return (GETS_DATA
*md
,SIZEDTEXT
*t
,unsigned long *len
)
2184 if (len
) *len
= t
->size
; /* return size */
2185 if (t
->size
&& mailgets
) { /* have to do the mailgets thing? */
2186 /* silly but do it anyway for consistency */
2187 INIT (&bs
,mail_string
,t
->data
,t
->size
);
2188 return (*mailgets
) (mail_read
,&bs
,t
->size
,md
);
2190 return t
->size
? (char *) t
->data
: "";
2194 /* Mail return message string
2195 * Accepts: identifier data
2198 * pointer to returned length
2200 * Returns: text, or NIL if stringstruct returned
2203 char *mail_fetch_string_return (GETS_DATA
*md
,STRING
*bs
,unsigned long i
,
2204 unsigned long *len
,long flags
)
2207 if (len
) *len
= i
; /* return size */
2208 /* return stringstruct hack */
2209 if (flags
& FT_RETURNSTRINGSTRUCT
) {
2210 memcpy (&md
->stream
->private.string
,bs
,sizeof (STRING
));
2211 SETPOS (&md
->stream
->private.string
,GETPOS (&md
->stream
->private.string
));
2213 /* have to do the mailgets thing? */
2214 else if (mailgets
) ret
= (*mailgets
) (mail_read
,bs
,i
,md
);
2215 /* special hack to avoid extra copy */
2216 else if (bs
->dtb
->next
== mail_string_next
) ret
= bs
->curpos
;
2217 /* make string copy in memory */
2218 else ret
= textcpyoffstring (&md
->stream
->text
,bs
,GETPOS (bs
),i
);
2222 /* Read data from stringstruct
2223 * Accepts: stringstruct
2224 * size of data to read
2225 * buffer to read into
2226 * Returns: T, always, stringstruct updated
2229 long mail_read (void *stream
,unsigned long size
,char *buffer
)
2232 STRING
*s
= (STRING
*) stream
;
2233 while (size
) { /* until satisfied */
2234 memcpy (buffer
,s
->curpos
,i
= min (s
->cursize
,size
));
2235 buffer
+= i
; /* update buffer */
2236 size
-= i
; /* note that we read this much */
2237 s
->curpos
+= --i
; /* advance that many spaces minus 1 */
2239 SNX (s
); /* now use SNX to advance the last byte */
2245 * Accepts: mail stream
2247 * Returns: UID or zero if dead stream
2250 unsigned long mail_uid (MAILSTREAM
*stream
,unsigned long msgno
)
2252 unsigned long uid
= mail_elt (stream
,msgno
)->private.uid
;
2254 (stream
->dtb
&& stream
->dtb
->uid
) ? (*stream
->dtb
->uid
) (stream
,msgno
) : 0;
2258 /* Mail fetch msgno from UID
2259 * Accepts: mail stream
2261 * Returns: msgno or zero if failed
2264 unsigned long mail_msgno (MAILSTREAM
*stream
,unsigned long uid
)
2266 unsigned long msgno
,delta
,first
,firstuid
,last
,lastuid
,middle
,miduid
;
2267 if (stream
->dtb
) { /* active stream? */
2268 if (stream
->dtb
->msgno
) /* direct way */
2269 return (*stream
->dtb
->msgno
) (stream
,uid
);
2270 else if (stream
->dtb
->uid
) {/* indirect way */
2271 /* Placeholder for now, since currently there are no drivers which
2272 * have a uid method but not a msgno method
2274 for (msgno
= 1; msgno
<= stream
->nmsgs
; msgno
++)
2275 if ((*stream
->dtb
->uid
) (stream
,msgno
) == uid
) return msgno
;
2277 /* binary search since have full map */
2278 else for (first
= 1,last
= stream
->nmsgs
, delta
= (first
<= last
) ? 1 : 0;
2280 (uid
>= (firstuid
= mail_elt (stream
,first
)->private.uid
)) &&
2281 (uid
<= (lastuid
= mail_elt (stream
,last
)->private.uid
));) {
2282 /* done if match at an endpoint */
2283 if (uid
== firstuid
) return first
;
2284 if (uid
== lastuid
) return last
;
2285 /* have anything between endpoints? */
2286 if ((delta
= ((last
- first
) / 2)) != 0L){
2287 if ((miduid
= mail_elt (stream
,middle
= first
+ delta
)->private.uid
)
2289 return middle
; /* found match in middle */
2290 else if (uid
< miduid
) last
= middle
- 1;
2291 else first
= middle
+ 1;
2295 else { /* dead stream, do linear search for UID */
2296 for (msgno
= 1; msgno
<= stream
->nmsgs
; msgno
++)
2297 if (mail_elt (stream
,msgno
)->private.uid
== uid
) return msgno
;
2299 return 0; /* didn't find the UID anywhere */
2302 /* Mail fetch From string for menu
2303 * Accepts: destination string
2305 * message # to fetch
2306 * desired string length
2307 * Returns: string of requested length
2310 void mail_fetchfrom (char *s
,MAILSTREAM
*stream
,unsigned long msgno
,
2314 char tmp
[MAILTMPLEN
];
2315 ENVELOPE
*env
= mail_fetchenvelope (stream
,msgno
);
2316 ADDRESS
*adr
= env
? env
->from
: NIL
;
2317 memset (s
,' ',(size_t)length
);/* fill it with spaces */
2318 s
[length
] = '\0'; /* tie off with null */
2319 /* get first from address from envelope */
2320 while (adr
&& !adr
->host
) adr
= adr
->next
;
2321 if (adr
) { /* if a personal name exists use it */
2322 if (!(t
= adr
->personal
))
2323 sprintf (t
= tmp
,"%.256s@%.256s",adr
->mailbox
,adr
->host
);
2324 memcpy (s
,t
,(size_t) min (length
,(long) strlen (t
)));
2329 /* Mail fetch Subject string for menu
2330 * Accepts: destination string
2332 * message # to fetch
2333 * desired string length
2334 * Returns: string of no more than requested length
2337 void mail_fetchsubject (char *s
,MAILSTREAM
*stream
,unsigned long msgno
,
2340 ENVELOPE
*env
= mail_fetchenvelope (stream
,msgno
);
2341 memset (s
,'\0',(size_t) length
+1);
2342 /* copy subject from envelope */
2343 if (env
&& env
->subject
) strncpy (s
,env
->subject
,(size_t) length
);
2344 else *s
= ' '; /* if no subject then just a space */
2347 /* Mail modify flags
2348 * Accepts: mail stream
2354 void mail_flag (MAILSTREAM
*stream
,char *sequence
,char *flag
,long flags
)
2360 if (!stream
->dtb
) return; /* no-op if no stream */
2361 if ((stream
->dtb
->flagmsg
|| !stream
->dtb
->flag
) &&
2362 ((flags
& ST_UID
) ? mail_uid_sequence (stream
,sequence
) :
2363 mail_sequence (stream
,sequence
)) &&
2364 ((f
= mail_parse_flags (stream
,flag
,&uf
)) || uf
))
2365 for (i
= 1,nf
= (flags
& ST_SET
) ? T
: NIL
; i
<= stream
->nmsgs
; i
++)
2366 if ((elt
= mail_elt (stream
,i
))->sequence
) {
2367 struct { /* old flags */
2368 unsigned int valid
: 1;
2369 unsigned int seen
: 1;
2370 unsigned int deleted
: 1;
2371 unsigned int flagged
: 1;
2372 unsigned int answered
: 1;
2373 unsigned int draft
: 1;
2374 unsigned long user_flags
;
2376 old
.valid
= elt
->valid
; old
.seen
= elt
->seen
;
2377 old
.deleted
= elt
->deleted
; old
.flagged
= elt
->flagged
;
2378 old
.answered
= elt
->answered
; old
.draft
= elt
->draft
;
2379 old
.user_flags
= elt
->user_flags
;
2380 elt
->valid
= NIL
; /* prepare for flag alteration */
2381 if (stream
->dtb
->flagmsg
) (*stream
->dtb
->flagmsg
) (stream
,elt
);
2382 if (f
&fSEEN
) elt
->seen
= nf
;
2383 if (f
&fDELETED
) elt
->deleted
= nf
;
2384 if (f
&fFLAGGED
) elt
->flagged
= nf
;
2385 if (f
&fANSWERED
) elt
->answered
= nf
;
2386 if (f
&fDRAFT
) elt
->draft
= nf
;
2388 if (flags
& ST_SET
) elt
->user_flags
|= uf
;
2389 else elt
->user_flags
&= ~uf
;
2390 elt
->valid
= T
; /* flags now altered */
2391 if ((old
.valid
!= elt
->valid
) || (old
.seen
!= elt
->seen
) ||
2392 (old
.deleted
!= elt
->deleted
) || (old
.flagged
!= elt
->flagged
) ||
2393 (old
.answered
!= elt
->answered
) || (old
.draft
!= elt
->draft
) ||
2394 (old
.user_flags
!= elt
->user_flags
))
2395 MM_FLAGS (stream
,elt
->msgno
);
2396 if (stream
->dtb
->flagmsg
) (*stream
->dtb
->flagmsg
) (stream
,elt
);
2398 /* call driver once */
2399 if (stream
->dtb
->flag
) (*stream
->dtb
->flag
) (stream
,sequence
,flag
,flags
);
2402 /* Mail search for messages
2403 * Accepts: mail stream
2407 * Returns: T if successful, NIL if dead stream, NIL searchpgm or bad charset
2410 long mail_search_full (MAILSTREAM
*stream
,char *charset
,SEARCHPGM
*pgm
,
2415 if (!(flags
& SE_RETAIN
)) /* clear search vector unless retaining */
2416 for (i
= 1; i
<= stream
->nmsgs
; ++i
) mail_elt (stream
,i
)->searched
= NIL
;
2417 if (pgm
&& stream
->dtb
) /* must have a search program and driver */
2418 ret
= (*(stream
->dtb
->search
? stream
->dtb
->search
: mail_search_default
))
2419 (stream
,charset
,pgm
,flags
);
2420 /* flush search program if requested */
2421 if (flags
& SE_FREE
) mail_free_searchpgm (&pgm
);
2426 /* Mail search for messages default handler
2427 * Accepts: mail stream
2431 * Returns: T if successful, NIL if bad charset
2434 long mail_search_default (MAILSTREAM
*stream
,char *charset
,SEARCHPGM
*pgm
,
2439 /* make sure that charset is good */
2440 if ((msg
= utf8_badcharset (charset
)) != NULL
) {
2441 MM_LOG (msg
,ERROR
); /* output error */
2442 fs_give ((void **) &msg
);
2445 utf8_searchpgm (pgm
,charset
);
2446 for (i
= 1; i
<= stream
->nmsgs
; ++i
)
2447 if (mail_search_msg (stream
,i
,NIL
,pgm
)) {
2448 if (flags
& SE_UID
) mm_searched (stream
,mail_uid (stream
,i
));
2449 else { /* mark as searched, notify mail program */
2450 mail_elt (stream
,i
)->searched
= T
;
2451 if (!stream
->silent
) mm_searched (stream
,i
);
2454 return LONGT
; /* search completed */
2457 /* Mail ping mailbox
2458 * Accepts: mail stream
2459 * Returns: stream if still open else NIL
2462 long mail_ping (MAILSTREAM
*stream
)
2464 unsigned long i
,n
,uf
,len
;
2465 char *s
,*f
,tmp
[MAILTMPLEN
],flags
[MAILTMPLEN
];
2470 /* do driver action */
2471 if ((ret
= ((stream
&& stream
->dtb
) ? (stream
->dtb
->ping
) (stream
) : NIL
)) &&
2472 stream
->snarf
.name
&& /* time to snarf? */
2473 /* prohibit faster than once/min */
2474 (time (0) > (time_t) (stream
->snarf
.time
+ min(60,mailsnarfinterval
))) &&
2475 (snarf
= mail_open (NIL
,stream
->snarf
.name
,
2476 stream
->snarf
.options
| OP_SILENT
))) {
2477 if ((n
= snarf
->nmsgs
) && /* yes, have messages to snarf? */
2478 mail_search_full (snarf
,NIL
,mail_criteria ("UNDELETED"),SE_FREE
)) {
2479 for (i
= 1; ret
&& (i
<= n
); i
++) /* for each message */
2480 if ((elt
= mail_elt (snarf
,i
))->searched
&&
2481 (s
= mail_fetch_message (snarf
,i
,&len
,FT_PEEK
)) && len
) {
2482 INIT (&bs
,mail_string
,s
,len
);
2483 if (mailsnarfpreserve
) {
2484 /* yes, make sure have fast data */
2485 if (!elt
->valid
|| !elt
->day
) {
2486 sprintf (tmp
,"%lu",n
);
2487 mail_fetch_fast (snarf
,tmp
,NIL
);
2489 /* initialize flag string */
2490 memset (flags
,0,MAILTMPLEN
);
2491 /* output system flags except \Deleted */
2492 if (elt
->seen
) strcat (flags
," \\Seen");
2493 if (elt
->flagged
) strcat (flags
," \\Flagged");
2494 if (elt
->answered
) strcat (flags
," \\Answered");
2495 if (elt
->draft
) strcat (flags
," \\Draft");
2496 /* any user flags? */
2497 for (uf
= elt
->user_flags
,s
= flags
+ strlen (flags
);
2498 uf
&& (f
= stream
->user_flags
[find_rightmost_bit (&uf
)]) &&
2499 ((MAILTMPLEN
- (s
- tmp
)) > (long) (2 + strlen (f
)));
2500 s
+= strlen (s
)) sprintf (s
," %s",f
);
2501 ret
= mail_append_full (stream
,stream
->mailbox
,flags
+ 1,
2502 mail_date (tmp
,elt
),&bs
);
2504 else ret
= mail_append (stream
,stream
->mailbox
,&bs
);
2506 if (ret
) { /* did snarf succeed? */
2507 /* driver has per-message (or no) flag call */
2508 if (snarf
->dtb
->flagmsg
|| !snarf
->dtb
->flag
) {
2509 elt
->valid
= NIL
; /* prepare for flag alteration */
2510 if (snarf
->dtb
->flagmsg
) (*snarf
->dtb
->flagmsg
) (snarf
,elt
);
2511 /* flags now altered */
2512 elt
->deleted
= elt
->seen
= elt
->valid
= T
;
2513 if (snarf
->dtb
->flagmsg
) (*snarf
->dtb
->flagmsg
) (snarf
,elt
);
2515 /* driver has one-time flag call */
2516 if (snarf
->dtb
->flag
) {
2517 sprintf (tmp
,"%lu",i
);
2518 (*snarf
->dtb
->flag
) (snarf
,tmp
,"\\Deleted \\Seen",ST_SET
);
2521 else { /* copy failed */
2522 sprintf (tmp
,"Unable to move message %lu from %s mailbox",
2523 i
,snarf
->dtb
->name
);
2528 /* expunge the messages */
2529 mail_close_full (snarf
,n
? CL_EXPUNGE
: NIL
);
2530 stream
->snarf
.time
= (unsigned long) time (0);
2531 /* Even if the snarf failed, we don't want to return NIL if the stream
2532 * is still alive. Or at least that's what we currently think.
2534 /* redo the driver's action */
2535 ret
= stream
->dtb
? (*stream
->dtb
->ping
) (stream
) : NIL
;
2540 /* Mail check mailbox
2541 * Accepts: mail stream
2544 void mail_check (MAILSTREAM
*stream
)
2546 /* do the driver's action */
2547 if (stream
->dtb
) (*stream
->dtb
->check
) (stream
);
2551 /* Mail expunge mailbox
2552 * Accepts: mail stream
2553 * sequence to expunge if non-NIL
2555 * Returns: T on success, NIL on failure
2558 long mail_expunge_full (MAILSTREAM
*stream
,char *sequence
,long options
)
2560 /* do the driver's action */
2561 return stream
->dtb
? (*stream
->dtb
->expunge
) (stream
,sequence
,options
) : NIL
;
2565 /* Mail copy message(s)
2566 * Accepts: mail stream
2568 * destination mailbox
2572 long mail_copy_full (MAILSTREAM
*stream
,char *sequence
,char *mailbox
,
2575 return stream
->dtb
?
2576 SAFE_COPY (stream
->dtb
,stream
,sequence
,mailbox
,options
) : NIL
;
2579 /* Append data package to use for old single-message mail_append() interface */
2581 typedef struct mail_append_package
{
2582 char *flags
; /* initial flags */
2583 char *date
; /* message internal date */
2584 STRING
*message
; /* stringstruct of message */
2588 /* Single append message string
2589 * Accepts: mail stream
2590 * package pointer (cast as a void *)
2591 * pointer to return initial flags
2592 * pointer to return message internal date
2593 * pointer to return stringstruct of message to append
2594 * Returns: T, always
2597 static long mail_append_single (MAILSTREAM
*stream
,void *data
,char **flags
,
2598 char **date
,STRING
**message
)
2600 APPENDPACKAGE
*ap
= (APPENDPACKAGE
*) data
;
2601 *flags
= ap
->flags
; /* get desired data from the package */
2603 *message
= ap
->message
;
2604 ap
->message
= NIL
; /* so next callback puts a stop to it */
2605 return LONGT
; /* always return success */
2609 /* Mail append message string
2610 * Accepts: mail stream
2611 * destination mailbox
2613 * message internal date
2614 * stringstruct of message to append
2615 * Returns: T on success, NIL on failure
2618 long mail_append_full (MAILSTREAM
*stream
,char *mailbox
,char *flags
,char *date
,
2622 ap
.flags
= flags
; /* load append package */
2624 ap
.message
= message
;
2625 return mail_append_multiple (stream
,mailbox
,mail_append_single
,(void *) &ap
);
2628 /* Mail append message(s)
2629 * Accepts: mail stream
2630 * destination mailbox
2631 * append data callback
2632 * arbitrary data for callback use
2633 * Returns: T on success, NIL on failure
2636 long mail_append_multiple (MAILSTREAM
*stream
,char *mailbox
,append_t af
,
2639 char *s
,tmp
[MAILTMPLEN
];
2642 /* never allow names with newlines */
2643 if (strpbrk (mailbox
,"\015\012"))
2644 MM_LOG ("Can't append to mailbox with such a name",ERROR
);
2645 else if (strlen (mailbox
) >=
2646 (NETMAXHOST
+(NETMAXUSER
*2)+NETMAXMBX
+NETMAXSRV
+50)) {
2647 sprintf (tmp
,"Can't append %.80s: %s",mailbox
,(*mailbox
== '{') ?
2648 "invalid remote specification" : "no such mailbox");
2651 /* special driver hack? */
2652 else if (!strncmp (lcase (strcpy (tmp
,mailbox
)),"#driver.",8)) {
2653 /* yes, tie off name at likely delimiter */
2654 if (!(s
= strpbrk (tmp
+8,"/\\:"))) {
2655 sprintf (tmp
,"Can't append to mailbox %.80s: bad driver syntax",mailbox
);
2659 *s
++ = '\0'; /* tie off at delimiter */
2660 if (!(d
= (DRIVER
*) mail_parameters (NIL
,GET_DRIVER
,tmp
+8))) {
2661 sprintf (tmp
,"Can't append to mailbox %.80s: unknown driver",mailbox
);
2664 else ret
= SAFE_APPEND (d
,stream
,mailbox
+ (s
- tmp
),af
,data
);
2666 else if ((d
= mail_valid (stream
,mailbox
,NIL
)) != NULL
)
2667 ret
= SAFE_APPEND (d
,stream
,mailbox
,af
,data
);
2668 /* No driver, try for TRYCREATE if no stream. Note that we use the
2669 * createProto here, not the appendProto, since the dummy driver already
2670 * took care of the appendProto case. Otherwise, if appendProto is set to
2671 * NIL, we won't get a TRYCREATE.
2673 else if (!stream
&& (stream
= default_proto (NIL
)) && stream
->dtb
&&
2674 SAFE_APPEND (stream
->dtb
,stream
,mailbox
,af
,data
))
2676 MM_NOTIFY (stream
,"Append validity confusion",WARN
);
2677 /* generate error message */
2678 else mail_valid (stream
,mailbox
,"append to mailbox");
2682 /* Mail garbage collect stream
2683 * Accepts: mail stream
2684 * garbage collection flags
2687 void mail_gc (MAILSTREAM
*stream
,long gcflags
)
2691 /* do the driver's action first */
2692 if (stream
->dtb
&& stream
->dtb
->gc
) (*stream
->dtb
->gc
) (stream
,gcflags
);
2693 stream
->msgno
= 0; /* nothing cached now */
2694 if (gcflags
& GC_ENV
) { /* garbage collect envelopes? */
2695 if (stream
->env
) mail_free_envelope (&stream
->env
);
2696 if (stream
->body
) mail_free_body (&stream
->body
);
2698 if (gcflags
& GC_TEXTS
) { /* free texts */
2699 if (stream
->text
.data
) fs_give ((void **) &stream
->text
.data
);
2700 stream
->text
.size
= 0;
2702 /* garbage collect per-message stuff */
2703 for (i
= 1; i
<= stream
->nmsgs
; i
++)
2704 if ((elt
= (MESSAGECACHE
*) (*mailcache
) (stream
,i
,CH_ELT
)) != NULL
)
2705 mail_gc_msg (&elt
->private.msg
,gcflags
);
2709 /* Mail garbage collect message
2710 * Accepts: message structure
2711 * garbage collection flags
2714 void mail_gc_msg (MESSAGE
*msg
,long gcflags
)
2716 if (gcflags
& GC_ENV
) { /* garbage collect envelopes? */
2717 mail_free_envelope (&msg
->env
);
2718 mail_free_body (&msg
->body
);
2720 if (gcflags
& GC_TEXTS
) { /* garbage collect texts */
2721 if (msg
->full
.text
.data
) fs_give ((void **) &msg
->full
.text
.data
);
2722 if (msg
->header
.text
.data
) {
2723 mail_free_stringlist (&msg
->lines
);
2724 fs_give ((void **) &msg
->header
.text
.data
);
2726 if (msg
->text
.text
.data
) fs_give ((void **) &msg
->text
.text
.data
);
2727 /* now GC all body components */
2728 if (msg
->body
) mail_gc_body (msg
->body
);
2732 /* Mail garbage collect texts in BODY structure
2733 * Accepts: BODY structure
2736 void mail_gc_body (BODY
*body
)
2739 switch (body
->type
) { /* free contents */
2740 case TYPEMULTIPART
: /* multiple part */
2741 for (part
= body
->nested
.part
; part
; part
= part
->next
)
2742 mail_gc_body (&part
->body
);
2744 case TYPEMESSAGE
: /* encapsulated message */
2745 if (body
->subtype
&& !strcmp (body
->subtype
,"RFC822")) {
2746 mail_free_stringlist (&body
->nested
.msg
->lines
);
2747 mail_gc_msg (body
->nested
.msg
,GC_TEXTS
);
2753 if (body
->mime
.text
.data
) fs_give ((void **) &body
->mime
.text
.data
);
2754 if (body
->contents
.text
.data
) fs_give ((void **) &body
->contents
.text
.data
);
2756 /* Mail get body section
2757 * Accepts: body of message
2759 * Returns: pointer to body at given section
2762 BODY
*mail_body_section (BODY
*b
, unsigned char *section
)
2766 /* make sure have a body */
2767 if (section
&& *section
&& b
)
2768 while (*section
) { /* find desired section */
2769 if (isdigit (*section
)) { /* get section specifier */
2770 /* make sure what follows is valid */
2771 if (!(i
= strtoul (section
,(char **) §ion
,10)) ||
2772 (*section
&& ((*section
++ != '.') || !*section
))) return NIL
;
2773 /* multipart content? */
2774 if (b
->type
== TYPEMULTIPART
) {
2775 /* yes, find desired part */
2776 if ((pt
= b
->nested
.part
) != NULL
) while (--i
&& (pt
= pt
->next
));
2777 if (!pt
) return NIL
; /* bad specifier */
2778 b
= &pt
->body
; /* note new body */
2780 /* otherwise must be section 1 */
2781 else if (i
!= 1) return NIL
;
2782 /* need to go down further? */
2783 if (*section
) switch (b
->type
) {
2784 case TYPEMULTIPART
: /* multipart */
2786 case TYPEMESSAGE
: /* embedded message */
2787 if (!strcmp (b
->subtype
,"RFC822")) {
2788 b
= b
->nested
.msg
->body
;
2791 default: /* bogus subpart specification */
2795 else return NIL
; /* unknown section specifier */
2800 /* Mail get body part
2801 * Accepts: mail stream
2804 * Returns: pointer to body
2807 BODY
*mail_body (MAILSTREAM
*stream
,unsigned long msgno
,unsigned char *section
)
2810 /* make sure have a body */
2811 if (section
&& *section
&& mail_fetchstructure (stream
,msgno
,&b
) && b
)
2812 return mail_body_section(b
, section
);
2816 /* Mail output date from elt fields
2817 * Accepts: character string to write into
2818 * elt to get data data from
2819 * Returns: the character string
2822 const char *days
[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
2824 const char *months
[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
2825 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
2827 char *mail_date (char *string
,MESSAGECACHE
*elt
)
2829 sprintf (string
,"%2d-%s-%d %02d:%02d:%02d %c%02d%02d",
2830 elt
->day
? elt
->day
: 1,
2831 months
[elt
->month
? (elt
->month
- 1) : 0],
2832 elt
->year
+ BASEYEAR
,elt
->hours
,elt
->minutes
,elt
->seconds
,
2833 elt
->zoccident
? '-' : '+',elt
->zhours
,elt
->zminutes
);
2838 /* Mail output extended-ctime format date from elt fields
2839 * Accepts: character string to write into
2840 * elt to get data data from
2841 * Returns: the character string
2844 char *mail_cdate (char *string
,MESSAGECACHE
*elt
)
2846 char *fmt
= "%s %s %2d %02d:%02d:%02d %4d %s%02d%02d\n";
2847 int d
= elt
->day
? elt
->day
: 1;
2848 int m
= elt
->month
? (elt
->month
- 1) : 0;
2849 int y
= elt
->year
+ BASEYEAR
;
2850 const char *s
= months
[m
];
2851 if (m
< 2) { /* if before March, */
2852 m
+= 10; /* January = month 10 of previous year */
2855 else m
-= 2; /* March is month 0 */
2856 sprintf (string
,fmt
,days
[(int) (d
+ 2 + ((7 + 31 * m
) / 12)
2857 #ifndef USEJULIANCALENDAR
2858 #ifndef USEORTHODOXCALENDAR /* Gregorian calendar */
2863 #else /* Orthodox calendar */
2864 + (2 * (y
/ 900)) + ((y
% 900) >= 200)
2865 + ((y
% 900) >= 600)
2869 + y
+ (y
/ 4)) % 7],
2870 s
,d
,elt
->hours
,elt
->minutes
,elt
->seconds
,elt
->year
+ BASEYEAR
,
2871 elt
->zoccident
? "-" : "+",elt
->zhours
,elt
->zminutes
);
2875 /* Mail parse date into elt fields
2876 * Accepts: elt to write into
2877 * date string to parse
2878 * Returns: T if parse successful, else NIL
2879 * This routine parses dates as follows:
2880 * . leading three alphas followed by comma and space are ignored
2881 * . date accepted in format: mm/dd/yy, mm/dd/yyyy, dd-mmm-yy, dd-mmm-yyyy,
2882 * dd mmm yy, dd mmm yyyy, yyyy-mm-dd, yyyymmdd
2883 * . two and three digit years interpreted according to RFC 2822 rules
2884 * . mandatory end of string if yyyy-mm-dd or yyyymmdd; otherwise optional
2885 * space followed by time:
2886 * . time accepted in format hh:mm:ss or hh:mm
2887 * . end of string accepted
2888 * . timezone accepted: hyphen followed by symbolic timezone, or space
2889 * followed by signed numeric timezone or symbolic timezone
2890 * Examples of normal input:
2891 * . IMAP date-only (SEARCH):
2893 * . IMAP date-time (INTERNALDATE):
2894 * dd-mmm-yyyy hh:mm:ss +zzzz
2896 * www, dd mmm yy hh:mm:ss zzz
2898 * www, dd mmm yyyy hh:mm:ss +zzzz
2901 long mail_parse_date (MESSAGECACHE
*elt
,unsigned char *s
)
2903 unsigned long d
,m
,y
;
2907 char tmp
[MAILTMPLEN
];
2908 static unsigned long maxyear
= 0;
2909 if (!maxyear
) { /* know the end of time yet? */
2910 MESSAGECACHE tmpelt
;
2911 memset (&tmpelt
,0xff,sizeof (MESSAGECACHE
));
2912 maxyear
= BASEYEAR
+ tmpelt
.year
;
2915 elt
->zoccident
= elt
->zhours
= elt
->zminutes
=
2916 elt
->hours
= elt
->minutes
= elt
->seconds
=
2917 elt
->day
= elt
->month
= elt
->year
= 0;
2918 /* make a writeable uppercase copy */
2919 if (s
&& *s
&& (strlen (s
) < (size_t)MAILTMPLEN
)) s
= ucase (strcpy (tmp
,s
));
2921 /* skip over possible day of week */
2922 if (isalpha (*s
) && isalpha (s
[1]) && isalpha (s
[2]) && (s
[3] == ',') &&
2923 (s
[4] == ' ')) s
+= 5;
2924 while (*s
== ' ') s
++; /* parse first number (probable month) */
2925 if (!(m
= strtoul (s
,(char **) &s
,10))) return NIL
;
2927 switch (*s
) { /* different parse based on delimiter */
2928 case '/': /* mm/dd/yy format */
2929 if (isdigit (*++s
) && (d
= strtoul (s
,(char **) &s
,10)) &&
2930 (*s
== '/') && isdigit (*++s
)) {
2931 y
= strtoul (s
,(char **) &s
,10);
2932 if (*s
== '\0') break; /* must end here */
2934 return NIL
; /* bogon */
2935 case ' ': /* dd mmm yy format */
2936 while (s
[1] == ' ') s
++; /* slurp extra whitespace */
2938 if (isdigit (s
[1])) { /* possible ISO 8601 date format? */
2939 y
= m
; /* yes, first number is year */
2940 /* get month and day */
2941 if ((m
= strtoul (s
+1,(char **) &s
,10)) && (*s
++ == '-') &&
2942 (d
= strtoul (s
,(char **) &s
,10)) && !*s
) break;
2943 return NIL
; /* syntax error or time present */
2945 d
= m
; /* dd-mmm-yy[yy], so first number is a day */
2946 /* make sure string long enough! */
2947 if (strlen (s
) < (size_t) 5) return NIL
;
2948 /* Some compilers don't allow `<<' and/or longs in case statements. */
2949 /* slurp up the month string */
2950 ms
= ((s
[1] - 'A') * 1024) + ((s
[2] - 'A') * 32) + (s
[3] - 'A');
2951 switch (ms
) { /* determine the month */
2952 case (('J'-'A') * 1024) + (('A'-'A') * 32) + ('N'-'A'): m
= 1; break;
2953 case (('F'-'A') * 1024) + (('E'-'A') * 32) + ('B'-'A'): m
= 2; break;
2954 case (('M'-'A') * 1024) + (('A'-'A') * 32) + ('R'-'A'): m
= 3; break;
2955 case (('A'-'A') * 1024) + (('P'-'A') * 32) + ('R'-'A'): m
= 4; break;
2956 case (('M'-'A') * 1024) + (('A'-'A') * 32) + ('Y'-'A'): m
= 5; break;
2957 case (('J'-'A') * 1024) + (('U'-'A') * 32) + ('N'-'A'): m
= 6; break;
2958 case (('J'-'A') * 1024) + (('U'-'A') * 32) + ('L'-'A'): m
= 7; break;
2959 case (('A'-'A') * 1024) + (('U'-'A') * 32) + ('G'-'A'): m
= 8; break;
2960 case (('S'-'A') * 1024) + (('E'-'A') * 32) + ('P'-'A'): m
= 9; break;
2961 case (('O'-'A') * 1024) + (('C'-'A') * 32) + ('T'-'A'): m
= 10; break;
2962 case (('N'-'A') * 1024) + (('O'-'A') * 32) + ('V'-'A'): m
= 11; break;
2963 case (('D'-'A') * 1024) + (('E'-'A') * 32) + ('C'-'A'): m
= 12; break;
2964 default: return NIL
; /* unknown month */
2966 if (s
[4] == *s
) s
+= 5; /* advance to year */
2967 else { /* first three were OK, possibly full name */
2968 mi
= *s
; /* note delimiter, skip alphas */
2969 for (s
+= 4; isalpha (*s
); s
++);
2970 /* error if delimiter not here */
2971 if (mi
!= *s
++) return NIL
;
2973 while (*s
== ' ') s
++; /* parse year */
2974 if (isdigit (*s
)) { /* must be a digit here */
2975 y
= strtoul (s
,(char **) &s
,10);
2976 if (*s
== '\0' || *s
== ' ') break;
2978 case '\0': /* ISO 8601 compact date */
2979 if (m
< (BASEYEAR
* 10000)) return NIL
;
2980 y
= m
/ 10000; /* get year */
2981 d
= (m
%= 10000) % 100; /* get day */
2982 m
/= 100; /* and month */
2985 return NIL
; /* unknown date format */
2988 /* minimal validity check of date */
2989 if ((d
> 31) || (m
> 12)) return NIL
;
2990 if (y
< 49) y
+= 2000; /* RFC 2282 rules for two digit years 00-49 */
2991 else if (y
< 999) y
+= 1900; /* 2-digit years 50-99 and 3-digit years */
2992 /* reject prehistoric and far future years */
2993 if ((y
< BASEYEAR
) || (y
> maxyear
)) return NIL
;
2994 /* set values in elt */
2995 elt
->day
= d
; elt
->month
= m
; elt
->year
= y
- BASEYEAR
;
2996 ms
= '\0'; /* initially no time zone string */
2997 if (*s
) { /* time specification present? */
2999 d
= strtoul (s
+1,(char **) &s
,10);
3000 if (*s
!= ':') return NIL
;
3001 m
= strtoul (++s
,(char **) &s
,10);
3002 y
= (*s
== ':') ? strtoul (++s
,(char **) &s
,10) : 0;
3003 /* validity check time */
3004 if ((d
> 23) || (m
> 59) || (y
> 60)) return NIL
;
3005 /* set values in elt */
3006 elt
->hours
= d
; elt
->minutes
= m
; elt
->seconds
= y
;
3007 switch (*s
) { /* time zone specifier? */
3008 case ' ': /* numeric time zone */
3009 while (s
[1] == ' ') s
++; /* slurp extra whitespace */
3010 if (!isalpha (s
[1])) { /* treat as '-' case if alphabetic */
3011 /* test for sign character */
3012 if ((elt
->zoccident
= (*++s
== '-')) || (*s
== '+')) s
++;
3013 /* validate proper timezone */
3014 if (isdigit(*s
) && isdigit(s
[1]) && isdigit(s
[2]) && (s
[2] < '6') &&
3016 elt
->zhours
= (*s
- '0') * 10 + (s
[1] - '0');
3017 elt
->zminutes
= (s
[2] - '0') * 10 + (s
[3] - '0');
3019 return T
; /* all done! */
3022 case '-': /* symbolic time zone */
3023 if (!(ms
= *++s
)) ms
= 'Z';
3024 else if (*++s
) { /* multi-character? */
3025 ms
-= 'A'; ms
*= 1024; /* yes, make compressed three-byte form */
3026 ms
+= ((*s
++ - 'A') * 32);
3027 if (*s
) ms
+= *s
++ - 'A';
3028 if (*s
) ms
= '\0'; /* more than three characters */
3030 default: /* ignore anything else */
3035 /* This is not intended to be a comprehensive list of all possible
3036 * timezone strings. Such a list would be impractical. Rather, this
3037 * listing is intended to incorporate all military, North American, and
3038 * a few special cases such as Japan and the major European zone names,
3039 * such as what might be expected to be found in a Tenex format mailbox
3040 * and spewed from an IMAP server. The trend is to migrate to numeric
3041 * timezones which lack the flavor but also the ambiguity of the names.
3043 * RFC-822 only recognizes UT, GMT, 1-letter military timezones, and the
3044 * 4 CONUS timezones and their summer time variants. [Sorry, Canadian
3045 * Atlantic Provinces, Alaska, and Hawaii.]
3047 switch (ms
) { /* determine the timezone */
3049 case (('U'-'A')*1024)+(('T'-'A')*32):
3050 #ifndef STRICT_RFC822_TIMEZONES
3051 case (('U'-'A')*1024)+(('T'-'A')*32)+'C'-'A':
3054 case (('G'-'A')*1024)+(('M'-'A')*32)+'T'-'A':
3055 case 'Z': elt
->zhours
= 0; break;
3057 /* oriental (from Greenwich) timezones */
3058 #ifndef STRICT_RFC822_TIMEZONES
3060 case (('M'-'A')*1024)+(('E'-'A')*32)+'T'-'A':
3062 #ifdef BRITISH_SUMMER_TIME
3063 /* British Summer */
3064 case (('B'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3066 case 'A': elt
->zhours
= 1; break;
3067 #ifndef STRICT_RFC822_TIMEZONES
3068 /* Eastern Europe */
3069 case (('E'-'A')*1024)+(('E'-'A')*32)+'T'-'A':
3071 case 'B': elt
->zhours
= 2; break;
3072 case 'C': elt
->zhours
= 3; break;
3073 case 'D': elt
->zhours
= 4; break;
3074 case 'E': elt
->zhours
= 5; break;
3075 case 'F': elt
->zhours
= 6; break;
3076 case 'G': elt
->zhours
= 7; break;
3077 case 'H': elt
->zhours
= 8; break;
3078 #ifndef STRICT_RFC822_TIMEZONES
3080 case (('J'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3082 case 'I': elt
->zhours
= 9; break;
3083 case 'K': elt
->zhours
= 10; break;
3084 case 'L': elt
->zhours
= 11; break;
3085 case 'M': elt
->zhours
= 12; break;
3087 /* occidental (from Greenwich) timezones */
3088 case 'N': elt
->zoccident
= 1; elt
->zhours
= 1; break;
3089 case 'O': elt
->zoccident
= 1; elt
->zhours
= 2; break;
3090 #ifndef STRICT_RFC822_TIMEZONES
3091 case (('A'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3093 case 'P': elt
->zoccident
= 1; elt
->zhours
= 3; break;
3094 #ifdef NEWFOUNDLAND_STANDARD_TIME
3096 case (('N'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3097 elt
->zoccident
= 1; elt
->zhours
= 3; elt
->zminutes
= 30; break;
3099 #ifndef STRICT_RFC822_TIMEZONES
3101 case (('A'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3104 case (('E'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3105 case 'Q': elt
->zoccident
= 1; elt
->zhours
= 4; break;
3107 case (('E'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3108 case (('C'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3109 case 'R': elt
->zoccident
= 1; elt
->zhours
= 5; break;
3111 case (('C'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3112 case (('M'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3113 case 'S': elt
->zoccident
= 1; elt
->zhours
= 6; break;
3115 case (('M'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3116 case (('P'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3117 case 'T': elt
->zoccident
= 1; elt
->zhours
= 7; break;
3119 case (('P'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3120 #ifndef STRICT_RFC822_TIMEZONES
3121 case (('Y'-'A')*1024)+(('D'-'A')*32)+'T'-'A':
3123 case 'U': elt
->zoccident
= 1; elt
->zhours
= 8; break;
3124 #ifndef STRICT_RFC822_TIMEZONES
3126 case (('Y'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3128 case 'V': elt
->zoccident
= 1; elt
->zhours
= 9; break;
3129 #ifndef STRICT_RFC822_TIMEZONES
3131 case (('H'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3133 case 'W': elt
->zoccident
= 1; elt
->zhours
= 10; break;
3134 /* Nome/Bering/Samoa */
3135 #ifdef NOME_STANDARD_TIME
3136 case (('N'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3138 #ifdef BERING_STANDARD_TIME
3139 case (('B'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3141 #ifdef SAMOA_STANDARD_TIME
3142 case (('S'-'A')*1024)+(('S'-'A')*32)+'T'-'A':
3144 case 'X': elt
->zoccident
= 1; elt
->zhours
= 11; break;
3145 case 'Y': elt
->zoccident
= 1; elt
->zhours
= 12; break;
3147 default: /* unknown time zones treated as local */
3148 tn
= time (0); /* time now... */
3149 t
= localtime (&tn
); /* get local minutes since midnight */
3150 mi
= t
->tm_hour
* 60 + t
->tm_min
;
3151 ms
= t
->tm_yday
; /* note Julian day */
3152 if ((t
= gmtime (&tn
)) != NULL
) { /* minus UTC minutes since midnight */
3153 mi
-= t
->tm_hour
* 60 + t
->tm_min
;
3154 /* ms can be one of:
3155 * 36x local time is December 31, UTC is January 1, offset -24 hours
3156 * 1 local time is 1 day ahead of UTC, offset +24 hours
3157 * 0 local time is same day as UTC, no offset
3158 * -1 local time is 1 day behind UTC, offset -24 hours
3159 * -36x local time is January 1, UTC is December 31, offset +24 hours
3161 if (ms
-= t
->tm_yday
) /* correct offset if different Julian day */
3162 mi
+= ((ms
< 0) == (abs (ms
) == 1)) ? -24*60 : 24*60;
3163 if (mi
< 0) { /* occidental? */
3164 mi
= abs (mi
); /* yup, make positive number */
3165 elt
->zoccident
= 1; /* and note west of UTC */
3167 elt
->zhours
= mi
/ 60; /* now break into hours and minutes */
3168 elt
->zminutes
= mi
% 60;
3175 /* Mail n messages exist
3176 * Accepts: mail stream
3177 * number of messages
3180 void mail_exists (MAILSTREAM
*stream
,unsigned long nmsgs
)
3182 char tmp
[MAILTMPLEN
];
3183 if (nmsgs
> MAXMESSAGES
) {
3184 sprintf (tmp
,"Mailbox has more messages (%lu) exist than maximum (%lu)",
3187 nmsgs
= MAXMESSAGES
; /* cap to maximum */
3188 /* probably will crash in mail_elt() soon enough... */
3190 /* make sure cache is large enough */
3191 (*mailcache
) (stream
,nmsgs
,CH_SIZE
);
3192 stream
->nmsgs
= nmsgs
; /* update stream status */
3193 /* notify main program of change */
3194 if (!stream
->silent
) MM_EXISTS (stream
,nmsgs
);
3198 /* Mail n messages are recent
3199 * Accepts: mail stream
3200 * number of recent messages
3203 void mail_recent (MAILSTREAM
*stream
,unsigned long recent
)
3205 char tmp
[MAILTMPLEN
];
3206 if (recent
<= stream
->nmsgs
) stream
->recent
= recent
;
3208 sprintf (tmp
,"Non-existent recent message(s) %lu, nmsgs=%lu",
3209 recent
,stream
->nmsgs
);
3215 /* Mail message n is expunged
3216 * Accepts: mail stream
3220 void mail_expunged (MAILSTREAM
*stream
,unsigned long msgno
)
3222 char tmp
[MAILTMPLEN
];
3224 if (msgno
> stream
->nmsgs
) {
3225 sprintf (tmp
,"Expunge of non-existent message %lu, nmsgs=%lu",
3226 msgno
,stream
->nmsgs
);
3230 elt
= (MESSAGECACHE
*) (*mailcache
) (stream
,msgno
,CH_ELT
);
3231 /* notify main program of change */
3232 if (!stream
->silent
) MM_EXPUNGED (stream
,msgno
);
3233 if (elt
) { /* if an element is there */
3234 elt
->msgno
= 0; /* invalidate its message number and free */
3235 (*mailcache
) (stream
,msgno
,CH_FREE
);
3236 (*mailcache
) (stream
,msgno
,CH_FREESORTCACHE
);
3238 /* expunge the slot */
3239 (*mailcache
) (stream
,msgno
,CH_EXPUNGE
);
3240 --stream
->nmsgs
; /* update stream status */
3241 if (stream
->msgno
) { /* have stream pointers? */
3242 /* make sure the short cache is nuked */
3243 if (stream
->scache
) mail_gc (stream
,GC_ENV
| GC_TEXTS
);
3244 else stream
->msgno
= 0; /* make sure invalidated in any case */
3249 /* Mail stream status routines */
3253 * Accepts: mail stream
3256 void mail_lock (MAILSTREAM
*stream
)
3259 char tmp
[MAILTMPLEN
];
3260 sprintf (tmp
,"Lock when already locked, mbx=%.80s",
3261 stream
->mailbox
? stream
->mailbox
: "???");
3264 else stream
->lock
= T
; /* lock stream */
3268 /* Mail unlock stream
3269 * Accepts: mail stream
3272 void mail_unlock (MAILSTREAM
*stream
)
3274 if (!stream
->lock
) fatal ("Unlock when not locked");
3275 else stream
->lock
= NIL
; /* unlock stream */
3279 /* Mail turn on debugging telemetry
3280 * Accepts: mail stream
3283 void mail_debug (MAILSTREAM
*stream
)
3285 stream
->debug
= T
; /* turn on debugging telemetry */
3286 if (stream
->dtb
) (*stream
->dtb
->parameters
) (ENABLE_DEBUG
,stream
);
3290 /* Mail turn off debugging telemetry
3291 * Accepts: mail stream
3294 void mail_nodebug (MAILSTREAM
*stream
)
3296 stream
->debug
= NIL
; /* turn off debugging telemetry */
3297 if (stream
->dtb
) (*stream
->dtb
->parameters
) (DISABLE_DEBUG
,stream
);
3301 /* Mail log to debugging telemetry
3303 * flag that data is "sensitive"
3306 void mail_dlog (char *string
,long flag
)
3308 mm_dlog ((debugsensitive
|| !flag
) ? string
: "<suppressed>");
3311 /* Mail parse UID sequence
3312 * Accepts: mail stream
3314 * Returns: T if parse successful, else NIL
3317 long mail_uid_sequence (MAILSTREAM
*stream
,unsigned char *sequence
)
3319 unsigned long i
,j
,k
,x
,y
;
3320 for (i
= 1; i
<= stream
->nmsgs
; i
++) mail_elt (stream
,i
)->sequence
= NIL
;
3321 while (sequence
&& *sequence
){/* while there is something to parse */
3322 if (*sequence
== '*') { /* maximum message */
3323 i
= stream
->nmsgs
? mail_uid (stream
,stream
->nmsgs
) : stream
->uid_last
;
3324 sequence
++; /* skip past * */
3326 /* parse and validate message number */
3327 /* parse and validate message number */
3328 else if (!isdigit (*sequence
)) {
3329 MM_LOG ("Syntax error in sequence",ERROR
);
3332 else if (!(i
= strtoul (sequence
,(char **) &sequence
,10))) {
3333 MM_LOG ("UID may not be zero",ERROR
);
3336 switch (*sequence
) { /* see what the delimiter is */
3337 case ':': /* sequence range */
3338 if (*++sequence
== '*') { /* maximum message */
3339 j
= stream
->nmsgs
? mail_uid (stream
,stream
->nmsgs
) : stream
->uid_last
;
3340 sequence
++; /* skip past * */
3342 /* parse end of range */
3343 else if (!(j
= strtoul (sequence
,(char **) &sequence
,10))) {
3344 MM_LOG ("UID sequence range invalid",ERROR
);
3347 if (*sequence
&& *sequence
++ != ',') {
3348 MM_LOG ("UID sequence range syntax error",ERROR
);
3351 if (i
> j
) { /* swap the range if backwards */
3352 x
= i
; i
= j
; j
= x
;
3354 x
= mail_msgno (stream
,i
);/* get msgnos */
3355 y
= mail_msgno (stream
,j
);/* for both UIDS (don't && it) */
3356 /* easy if both UIDs valid */
3357 if (x
&& y
) while (x
<= y
) mail_elt (stream
,x
++)->sequence
= T
;
3358 /* start UID valid, end is not */
3359 else if (x
) while ((x
<= stream
->nmsgs
) && (mail_uid (stream
,x
) <= j
))
3360 mail_elt (stream
,x
++)->sequence
= T
;
3361 /* end UID valid, start is not */
3362 else if (y
) for (x
= 1; x
<= y
; x
++) {
3363 if (mail_uid (stream
,x
) >= i
) mail_elt (stream
,x
)->sequence
= T
;
3365 /* neither is valid, ugh */
3366 else for (x
= 1; x
<= stream
->nmsgs
; x
++)
3367 if (((k
= mail_uid (stream
,x
)) >= i
) && (k
<= j
))
3368 mail_elt (stream
,x
)->sequence
= T
;
3370 case ',': /* single message */
3371 ++sequence
; /* skip the delimiter, fall into end case */
3372 case '\0': /* end of sequence, mark this message */
3373 if ((x
= mail_msgno (stream
,i
)) != 0L) mail_elt (stream
,x
)->sequence
= T
;
3375 default: /* anything else is a syntax error! */
3376 MM_LOG ("UID sequence syntax error",ERROR
);
3380 return T
; /* successfully parsed sequence */
3383 /* Mail see if line list matches that in cache
3384 * Accepts: candidate line list
3387 * Returns: T if match, NIL if no match
3390 long mail_match_lines (STRINGLIST
*lines
,STRINGLIST
*msglines
,long flags
)
3393 unsigned char *s
,*t
;
3395 if (!msglines
) return T
; /* full header is in cache */
3396 /* need full header but filtered in cache */
3397 if ((flags
& FT_NOT
) || !lines
) return NIL
;
3398 do { /* make sure all present & accounted for */
3399 for (m
= msglines
; m
; m
= m
->next
) if (lines
->text
.size
== m
->text
.size
) {
3400 for (s
= lines
->text
.data
,t
= m
->text
.data
,i
= lines
->text
.size
;
3401 i
&& !compare_uchar (*s
,*t
); s
++,t
++,i
--);
3402 if (!i
) break; /* this line matches */
3404 if (!m
) return NIL
; /* didn't find in the list */
3406 while ((lines
= lines
->next
) != NULL
);
3407 return T
; /* all lines found */
3410 /* Mail filter text by header lines
3411 * Accepts: text to filter, with trailing null
3415 * Returns: new text size, text overwritten
3418 unsigned long mail_filter (char *text
,unsigned long len
,STRINGLIST
*lines
,
3424 char c
,*s
,*e
,*t
,tmp
[MAILTMPLEN
];
3427 char *end
= text
+ len
;
3428 text
[len
] = '\012'; /* guard against running off buffer */
3429 while (src
< end
) { /* process header */
3430 /* slurp header line name */
3431 for (s
= src
,e
= s
+ MAILTMPLEN
- 1,e
= (e
< end
? e
: end
),t
= tmp
;
3432 (s
< e
) && ((c
= (*s
? *s
: (*s
= ' '))) != ':') &&
3434 ((c
!= ' ') && (c
!= '\t') && (c
!= '\015') && (c
!= '\012')));
3436 *t
= '\0'; /* tie off */
3437 notfound
= T
; /* not found yet */
3438 if ((i
= t
- tmp
) != 0L) /* see if found in header */
3439 for (hdrs
= lines
; hdrs
&& notfound
; hdrs
= hdrs
->next
)
3440 if ((hdrs
->text
.size
== i
) && !compare_csizedtext (tmp
,&hdrs
->text
))
3442 /* skip header line if not wanted */
3443 if (i
&& ((flags
& FT_NOT
) ? !notfound
: notfound
))
3444 while (((*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3445 (*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3446 (*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3447 (*src
++ != '\012')) ||
3448 ((src
< end
) && ((*src
== ' ') || (*src
== '\t'))));
3449 else if (src
== dst
) { /* copy to self */
3450 while (((*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3451 (*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3452 (*src
++ != '\012') && (*src
++ != '\012') && (*src
++ != '\012') &&
3453 (*src
++ != '\012')) ||
3454 ((src
< end
) && ((*src
== ' ') || (*src
== '\t'))));
3455 dst
= src
; /* update destination */
3457 else { /* copy line and any continuation line */
3458 while ((((*dst
++ = *src
++) != '\012') && ((*dst
++ = *src
++) != '\012') &&
3459 ((*dst
++ = *src
++) != '\012') && ((*dst
++ = *src
++) != '\012') &&
3460 ((*dst
++ = *src
++) != '\012') && ((*dst
++ = *src
++) != '\012') &&
3461 ((*dst
++ = *src
++) != '\012') && ((*dst
++ = *src
++) != '\012') &&
3462 ((*dst
++ = *src
++) != '\012') && ((*dst
++ = *src
++) != '\012'))||
3463 ((src
< end
) && ((*src
== ' ') || (*src
== '\t'))));
3464 /* in case hit the guard LF */
3465 if (src
> end
) dst
-= (src
- end
);
3468 *dst
= '\0'; /* tie off destination */
3472 /* Local mail search message
3473 * Accepts: MAIL stream
3475 * optional section specification
3477 * Returns: T if found, NIL otherwise
3480 long mail_search_msg (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
3484 char tmp
[MAILTMPLEN
];
3485 MESSAGECACHE
*elt
= mail_elt (stream
,msgno
);
3489 unsigned long now
= (unsigned long) time (0);
3490 if (pgm
->msgno
|| pgm
->uid
) { /* message set searches */
3492 /* message sequences */
3493 if (pgm
->msgno
) { /* inside this message sequence set */
3494 for (set
= pgm
->msgno
; set
; set
= set
->next
)
3495 if (set
->last
? ((set
->first
<= set
->last
) ?
3496 ((msgno
>= set
->first
) && (msgno
<= set
->last
)) :
3497 ((msgno
>= set
->last
) && (msgno
<= set
->first
))) :
3498 msgno
== set
->first
) break;
3499 if (!set
) return NIL
; /* not found within sequence */
3501 if (pgm
->uid
) { /* inside this unique identifier set */
3502 unsigned long uid
= mail_uid (stream
,msgno
);
3503 for (set
= pgm
->uid
; set
; set
= set
->next
)
3504 if (set
->last
? ((set
->first
<= set
->last
) ?
3505 ((uid
>= set
->first
) && (uid
<= set
->last
)) :
3506 ((uid
>= set
->last
) && (uid
<= set
->first
))) :
3507 uid
== set
->first
) break;
3508 if (!set
) return NIL
; /* not found within sequence */
3512 /* Fast data searches */
3513 /* need to fetch fast data? */
3514 if ((!elt
->rfc822_size
&& (pgm
->larger
|| pgm
->smaller
)) ||
3515 (!elt
->year
&& (pgm
->before
|| pgm
->on
|| pgm
->since
||
3516 pgm
->older
|| pgm
->younger
)) ||
3517 (!elt
->valid
&& (pgm
->answered
|| pgm
->unanswered
||
3518 pgm
->deleted
|| pgm
->undeleted
||
3519 pgm
->draft
|| pgm
->undraft
||
3520 pgm
->flagged
|| pgm
->unflagged
||
3521 pgm
->recent
|| pgm
->old
||
3522 pgm
->seen
|| pgm
->unseen
||
3523 pgm
->keyword
|| pgm
->unkeyword
))) {
3526 for (i
= elt
->msgno
; /* find last unloaded message in range */
3527 (i
< stream
->nmsgs
) && (ielt
= mail_elt (stream
,i
+1)) &&
3528 ((!ielt
->rfc822_size
&& (pgm
->larger
|| pgm
->smaller
)) ||
3529 (!ielt
->year
&& (pgm
->before
|| pgm
->on
|| pgm
->since
||
3530 pgm
->older
|| pgm
->younger
)) ||
3531 (!ielt
->valid
&& (pgm
->answered
|| pgm
->unanswered
||
3532 pgm
->deleted
|| pgm
->undeleted
||
3533 pgm
->draft
|| pgm
->undraft
||
3534 pgm
->flagged
|| pgm
->unflagged
||
3535 pgm
->recent
|| pgm
->old
||
3536 pgm
->seen
|| pgm
->unseen
||
3537 pgm
->keyword
|| pgm
->unkeyword
))); ++i
);
3538 if (i
== elt
->msgno
) sprintf (tmp
,"%lu",elt
->msgno
);
3539 else sprintf (tmp
,"%lu:%lu",elt
->msgno
,i
);
3540 mail_fetch_fast (stream
,tmp
,NIL
);
3543 if ((pgm
->larger
&& (elt
->rfc822_size
<= pgm
->larger
)) ||
3544 (pgm
->smaller
&& (elt
->rfc822_size
>= pgm
->smaller
))) return NIL
;
3546 if ((pgm
->answered
&& !elt
->answered
) ||
3547 (pgm
->unanswered
&& elt
->answered
) ||
3548 (pgm
->deleted
&& !elt
->deleted
) ||
3549 (pgm
->undeleted
&& elt
->deleted
) ||
3550 (pgm
->draft
&& !elt
->draft
) ||
3551 (pgm
->undraft
&& elt
->draft
) ||
3552 (pgm
->flagged
&& !elt
->flagged
) ||
3553 (pgm
->unflagged
&& elt
->flagged
) ||
3554 (pgm
->recent
&& !elt
->recent
) ||
3555 (pgm
->old
&& elt
->recent
) ||
3556 (pgm
->seen
&& !elt
->seen
) ||
3557 (pgm
->unseen
&& elt
->seen
)) return NIL
;
3559 if ((pgm
->keyword
&& !mail_search_keyword (stream
,elt
,pgm
->keyword
,LONGT
)) ||
3560 (pgm
->unkeyword
&& !mail_search_keyword (stream
,elt
,pgm
->unkeyword
,NIL
)))
3562 /* internal date ranges */
3563 if (pgm
->before
|| pgm
->on
|| pgm
->since
) {
3564 d
= mail_shortdate (elt
->year
,elt
->month
,elt
->day
);
3565 if (pgm
->before
&& (d
>= pgm
->before
)) return NIL
;
3566 if (pgm
->on
&& (d
!= pgm
->on
)) return NIL
;
3567 if (pgm
->since
&& (d
< pgm
->since
)) return NIL
;
3569 if (pgm
->older
|| pgm
->younger
) {
3570 unsigned long msgd
= mail_longdate (elt
);
3571 if (pgm
->older
&& msgd
> (now
- pgm
->older
)) return NIL
;
3572 if (pgm
->younger
&& msgd
< (now
- pgm
->younger
)) return NIL
;
3575 /* envelope searches */
3576 if (pgm
->sentbefore
|| pgm
->senton
|| pgm
->sentsince
||
3577 pgm
->bcc
|| pgm
->cc
|| pgm
->from
|| pgm
->to
|| pgm
->subject
||
3578 pgm
->return_path
|| pgm
->sender
|| pgm
->reply_to
|| pgm
->in_reply_to
||
3579 pgm
->message_id
|| pgm
->newsgroups
|| pgm
->followup_to
||
3583 if (section
) { /* use body part envelope */
3584 BODY
*body
= mail_body (stream
,msgno
,section
);
3585 env
= (body
&& (body
->type
== TYPEMESSAGE
) && body
->subtype
&&
3586 !strcmp (body
->subtype
,"RFC822")) ? body
->nested
.msg
->env
: NIL
;
3588 else { /* use top level envelope if no section */
3589 if (pgm
->header
&& !stream
->scache
&& !(stream
->dtb
->flags
& DR_LOCAL
))
3590 mail_fetch_header(stream
,msgno
,NIL
,NIL
,NIL
,FT_PEEK
|FT_SEARCHLOOKAHEAD
);
3591 env
= mail_fetchenvelope (stream
,msgno
);
3593 if (!env
) return NIL
; /* no envelope obtained */
3594 /* sent date ranges */
3595 if ((pgm
->sentbefore
|| pgm
->senton
|| pgm
->sentsince
) &&
3596 (!mail_parse_date (&delt
,env
->date
) ||
3597 !(d
= mail_shortdate (delt
.year
,delt
.month
,delt
.day
)) ||
3598 (pgm
->sentbefore
&& (d
>= pgm
->sentbefore
)) ||
3599 (pgm
->senton
&& (d
!= pgm
->senton
)) ||
3600 (pgm
->sentsince
&& (d
< pgm
->sentsince
)))) return NIL
;
3601 /* search headers */
3602 if ((pgm
->bcc
&& !mail_search_addr (env
->bcc
,pgm
->bcc
)) ||
3603 (pgm
->cc
&& !mail_search_addr (env
->cc
,pgm
->cc
)) ||
3604 (pgm
->from
&& !mail_search_addr (env
->from
,pgm
->from
)) ||
3605 (pgm
->to
&& !mail_search_addr (env
->to
,pgm
->to
)) ||
3606 (pgm
->subject
&& !mail_search_header_text (env
->subject
,pgm
->subject
)))
3608 /* These criteria are not supported by IMAP and have to be emulated */
3609 if ((pgm
->return_path
&&
3610 !mail_search_addr (env
->return_path
,pgm
->return_path
)) ||
3611 (pgm
->sender
&& !mail_search_addr (env
->sender
,pgm
->sender
)) ||
3612 (pgm
->reply_to
&& !mail_search_addr (env
->reply_to
,pgm
->reply_to
)) ||
3613 (pgm
->in_reply_to
&&
3614 !mail_search_header_text (env
->in_reply_to
,pgm
->in_reply_to
)) ||
3616 !mail_search_header_text (env
->message_id
,pgm
->message_id
)) ||
3618 !mail_search_header_text (env
->newsgroups
,pgm
->newsgroups
)) ||
3619 (pgm
->followup_to
&&
3620 !mail_search_header_text (env
->followup_to
,pgm
->followup_to
)) ||
3622 !mail_search_header_text (env
->references
,pgm
->references
)))
3626 /* search header lines */
3627 for (hdr
= pgm
->header
; hdr
; hdr
= hdr
->next
) {
3631 sth
.next
= stc
.next
= NIL
; /* only one at a time */
3632 sth
.text
.data
= hdr
->line
.data
;
3633 sth
.text
.size
= hdr
->line
.size
;
3634 /* get the header text */
3635 if ((t
= mail_fetch_header (stream
,msgno
,NIL
,&sth
,&s
.size
,
3636 FT_INTERNAL
| FT_PEEK
|
3637 (section
? NIL
: FT_SEARCHLOOKAHEAD
))) &&
3639 if (hdr
->text
.size
) { /* anything matches empty search string */
3640 /* non-empty, copy field data */
3641 s
.data
= (unsigned char *) fs_get (s
.size
+ 1);
3643 for (v
= (char *) s
.data
, e
= t
+ s
.size
; t
< e
;) switch (*t
) {
3644 default: /* non-continuation, skip leading field name */
3645 while ((t
< e
) && (*t
++ != ':'));
3646 if ((t
< e
) && (*t
== ':')) t
++;
3647 case '\t': case ' ': /* copy field data */
3648 while ((t
< e
) && (*t
!= '\015') && (*t
!= '\012')) *v
++ = *t
++;
3649 *v
++ = '\n'; /* tie off line */
3650 while (((*t
== '\015') || (*t
== '\012')) && (t
< e
)) t
++;
3652 /* calculate true size */
3653 s
.size
= v
- (char *) s
.data
;
3654 *v
= '\0'; /* tie off results */
3655 stc
.text
.data
= hdr
->text
.data
;
3656 stc
.text
.size
= hdr
->text
.size
;
3658 if (mail_search_header (&s
,&stc
)) fs_give ((void **) &s
.data
);
3659 else { /* search failed */
3660 fs_give ((void **) &s
.data
);
3665 else return NIL
; /* no matching header text */
3667 /* search strings */
3668 if ((pgm
->text
&& !mail_search_text (stream
,msgno
,section
,pgm
->text
,LONGT
))||
3669 (pgm
->body
&& !mail_search_text (stream
,msgno
,section
,pgm
->body
,NIL
)))
3671 /* logical conditions */
3672 for (or = pgm
->or; or; or = or->next
)
3673 if (!(mail_search_msg (stream
,msgno
,section
,or->first
) ||
3674 mail_search_msg (stream
,msgno
,section
,or->second
))) return NIL
;
3675 for (not = pgm
->not; not; not = not->next
)
3676 if (mail_search_msg (stream
,msgno
,section
,not->pgm
)) return NIL
;
3680 /* Mail search message header null-terminated text
3681 * Accepts: header text
3683 * Returns: T if search found a match
3686 long mail_search_header_text (char *s
,STRINGLIST
*st
)
3689 /* have any text? */
3690 if ((h
.data
= (unsigned char *) s
) != NULL
) {
3691 h
.size
= strlen (s
); /* yes, get its size */
3692 return mail_search_header (&h
,st
);
3698 /* Mail search message header
3699 * Accepts: header as sized text
3701 * Returns: T if search found a match
3704 long mail_search_header (SIZEDTEXT
*hdr
,STRINGLIST
*st
)
3708 /* make UTF-8 version of header */
3709 utf8_mime2text (hdr
,&h
,U8T_CANONICAL
);
3710 while (h
.size
&& ((h
.data
[h
.size
-1]=='\015') || (h
.data
[h
.size
-1]=='\012')))
3711 --h
.size
; /* slice off trailing newlines */
3712 do if (h
.size
? /* search non-empty string */
3713 !ssearch (h
.data
,h
.size
,st
->text
.data
,st
->text
.size
) : st
->text
.size
)
3715 while (ret
&& (st
= st
->next
));
3716 if (h
.data
!= hdr
->data
) fs_give ((void **) &h
.data
);
3720 /* Mail search message body
3721 * Accepts: MAIL stream
3723 * optional section specification
3726 * Returns: T if search found a match
3729 long mail_search_text (MAILSTREAM
*stream
,unsigned long msgno
,char *section
,
3730 STRINGLIST
*st
,long flags
)
3734 STRINGLIST
*s
= mail_newstringlist ();
3735 mailgets_t omg
= mailgets
;
3736 if (stream
->dtb
->flags
& DR_LOWMEM
) mailgets
= mail_search_gets
;
3737 /* strings to search */
3738 for (stream
->private.search
.string
= s
; st
;) {
3739 s
->text
.data
= st
->text
.data
;
3740 s
->text
.size
= st
->text
.size
;
3741 if ((st
= st
->next
) != NULL
) s
= s
->next
= mail_newstringlist ();
3743 stream
->private.search
.text
= NIL
;
3744 if (flags
) { /* want header? */
3746 s
.data
= (unsigned char *)
3747 mail_fetch_header (stream
,msgno
,section
,NIL
,&s
.size
,FT_INTERNAL
|FT_PEEK
);
3748 utf8_mime2text (&s
,&t
,U8T_CANONICAL
);
3749 ret
= mail_search_string_work (&t
,&stream
->private.search
.string
);
3750 if (t
.data
!= s
.data
) fs_give ((void **) &t
.data
);
3752 if (!ret
) { /* still looking for match? */
3753 /* no section, get top-level body */
3754 if (!section
) mail_fetchstructure (stream
,msgno
,&body
);
3755 /* get body of nested message */
3756 else if ((body
= mail_body (stream
,msgno
,section
)) &&
3757 (body
->type
== TYPEMULTIPART
) && body
->subtype
&&
3758 !strcmp (body
->subtype
,"RFC822")) body
= body
->nested
.msg
->body
;
3759 if (body
) ret
= mail_search_body (stream
,msgno
,body
,NIL
,1,flags
);
3761 mailgets
= omg
; /* restore former gets routine */
3762 /* clear searching */
3763 for (s
= stream
->private.search
.string
; s
; s
= s
->next
) s
->text
.data
= NIL
;
3764 mail_free_stringlist (&stream
->private.search
.string
);
3765 stream
->private.search
.text
= NIL
;
3769 /* Mail search message body text parts
3770 * Accepts: MAIL stream
3772 * current body pointer
3773 * hierarchical level prefix
3774 * position at current hierarchical level
3777 * Returns: T if search found a match
3780 long mail_search_body (MAILSTREAM
*stream
,unsigned long msgno
,BODY
*body
,
3781 char *prefix
,unsigned long section
,long flags
)
3785 char *s
,*t
,sect
[MAILTMPLEN
];
3789 if (prefix
&& (strlen (prefix
) > (MAILTMPLEN
- 20))) return NIL
;
3790 sprintf (sect
,"%s%lu",prefix
? prefix
: "",section
++);
3791 if (flags
&& prefix
) { /* want to search MIME header too? */
3792 st
.data
= (unsigned char *) mail_fetch_mime (stream
,msgno
,sect
,&st
.size
,
3793 FT_INTERNAL
| FT_PEEK
);
3794 if (stream
->dtb
->flags
& DR_LOWMEM
) ret
= stream
->private.search
.result
;
3796 /* make UTF-8 version of header */
3797 utf8_mime2text (&st
,&h
,U8T_CANONICAL
);
3798 ret
= mail_search_string_work (&h
,&stream
->private.search
.string
);
3799 if (h
.data
!= st
.data
) fs_give ((void **) &h
.data
);
3802 if (!ret
) switch (body
->type
) {
3804 /* extend prefix if not first time */
3805 s
= prefix
? strcat (sect
,".") : "";
3806 for (i
= 1,part
= body
->nested
.part
; part
&& !ret
; i
++,part
= part
->next
)
3807 ret
= mail_search_body (stream
,msgno
,&part
->body
,s
,i
,flags
);
3810 if (!strcmp (body
->subtype
,"RFC822")) {
3811 if (flags
) { /* want to search nested message header? */
3812 st
.data
= (unsigned char *)
3813 mail_fetch_header (stream
,msgno
,sect
,NIL
,&st
.size
,
3814 FT_INTERNAL
| FT_PEEK
);
3815 if (stream
->dtb
->flags
& DR_LOWMEM
) ret
=stream
->private.search
.result
;
3817 /* make UTF-8 version of header */
3818 utf8_mime2text (&st
,&h
,U8T_CANONICAL
);
3819 ret
= mail_search_string_work (&h
,&stream
->private.search
.string
);
3820 if (h
.data
!= st
.data
) fs_give ((void **) &h
.data
);
3823 if ((body
= body
->nested
.msg
->body
) != NULL
)
3824 ret
= (body
->type
== TYPEMULTIPART
) ?
3825 mail_search_body (stream
,msgno
,body
,(prefix
? prefix
: ""),
3826 section
- 1,flags
) :
3827 mail_search_body (stream
,msgno
,body
,strcat (sect
,"."),1,flags
);
3830 /* non-MESSAGE/RFC822 falls into text case */
3833 s
= mail_fetch_body (stream
,msgno
,sect
,&i
,FT_INTERNAL
| FT_PEEK
);
3834 if (stream
->dtb
->flags
& DR_LOWMEM
) ret
= stream
->private.search
.result
;
3836 for (t
= NIL
,param
= body
->parameter
; param
&& !t
; param
= param
->next
)
3837 if (!strcmp (param
->attribute
,"CHARSET")) t
= param
->value
;
3838 switch (body
->encoding
) { /* what encoding? */
3840 if ((st
.data
= (unsigned char *)
3841 rfc822_base64 ((unsigned char *) s
,i
,&st
.size
)) != NULL
) {
3842 ret
= mail_search_string (&st
,t
,&stream
->private.search
.string
);
3843 fs_give ((void **) &st
.data
);
3846 case ENCQUOTEDPRINTABLE
:
3847 if ((st
.data
= rfc822_qprint ((unsigned char *) s
,i
,&st
.size
)) != NULL
) {
3848 ret
= mail_search_string (&st
,t
,&stream
->private.search
.string
);
3849 fs_give ((void **) &st
.data
);
3853 st
.data
= (unsigned char *) s
;
3855 ret
= mail_search_string (&st
,t
,&stream
->private.search
.string
);
3865 * Accepts: sized text to search
3866 * character set of sized text
3867 * string list of search keys
3868 * Returns: T if search found a match
3871 long mail_search_string (SIZEDTEXT
*s
,char *charset
,STRINGLIST
**st
)
3875 STRINGLIST
**sc
= st
;
3876 /* convert to UTF-8 as best we can */
3877 if (!utf8_text (s
,charset
,&u
,U8T_CANONICAL
))
3878 utf8_text (s
,NIL
,&u
,U8T_CANONICAL
);
3879 ret
= mail_search_string_work (&u
,st
);
3880 if (u
.data
!= s
->data
) fs_give ((void **) &u
.data
);
3885 /* Mail search text worker routine
3886 * Accepts: sized text to search
3887 * string list of search keys
3888 * Returns: T if search found a match
3891 long mail_search_string_work (SIZEDTEXT
*s
,STRINGLIST
**st
)
3894 STRINGLIST
**sc
= st
;
3895 while (*sc
) { /* run down criteria list */
3896 if (ssearch (s
->data
,s
->size
,(*sc
)->text
.data
,(*sc
)->text
.size
)) {
3897 t
= (void *) (*sc
); /* found one, need to flush this */
3898 *sc
= (*sc
)->next
; /* remove it from the list */
3899 fs_give (&t
); /* flush the buffer */
3901 else sc
= &(*sc
)->next
; /* move to next in list */
3903 return *st
? NIL
: LONGT
;
3907 /* Mail search keyword
3908 * Accepts: MAIL stream
3909 * elt to get flags from
3911 * T for keyword search, NIL for unkeyword search
3912 * Returns: T if search found a match
3915 long mail_search_keyword (MAILSTREAM
*stream
,MESSAGECACHE
*elt
,STRINGLIST
*st
,
3919 unsigned long f
= 0;
3922 for (i
= 0; (j
= (i
< NUSERFLAGS
) && stream
->user_flags
[i
]); ++i
)
3923 if (!compare_csizedtext (stream
->user_flags
[i
],&st
->text
)) {
3927 if (flag
&& !j
) return NIL
;
3928 } while ((st
= st
->next
) != NULL
);
3929 tf
= elt
->user_flags
& f
; /* get set flags which match */
3930 return flag
? (f
== tf
) : !tf
;
3933 /* Mail search an address list
3934 * Accepts: address list
3936 * Returns: T if search found a match
3939 #define SEARCHBUFLEN (size_t) 2000
3940 #define SEARCHBUFSLOP (size_t) 5
3942 long mail_search_addr (ADDRESS
*adr
,STRINGLIST
*st
)
3946 char tmp
[SENDBUFLEN
+ 1];
3947 size_t i
= SEARCHBUFLEN
;
3951 txt
.data
= (unsigned char *) fs_get (i
+ SEARCHBUFSLOP
);
3952 /* never an error or next */
3953 tadr
.error
= NIL
,tadr
.next
= NIL
;
3954 /* write address list */
3955 for (txt
.size
= 0,a
= adr
; a
; a
= a
->next
) {
3956 k
= (tadr
.mailbox
= a
->mailbox
) ? 4 + 2*strlen (a
->mailbox
) : 3;
3957 if ((tadr
.personal
= a
->personal
) != NULL
) k
+= 3 + 2*strlen (a
->personal
);
3958 if ((tadr
.adl
= a
->adl
) != NULL
) k
+= 3 + 2*strlen (a
->adl
);
3959 if ((tadr
.host
= a
->host
) != NULL
) k
+= 3 + 2*strlen (a
->host
);
3960 if (tadr
.personal
|| tadr
.adl
) k
+= 2;
3961 if (k
< (SENDBUFLEN
-10)) {/* ignore ridiculous addresses */
3963 rfc822_write_address (tmp
,&tadr
);
3964 /* resize buffer if necessary */
3965 if (((k
= strlen (tmp
)) + txt
.size
) > i
)
3966 fs_resize ((void **) &txt
.data
,SEARCHBUFSLOP
+ (i
+= SEARCHBUFLEN
));
3967 /* add new address */
3968 memcpy (txt
.data
+ txt
.size
,tmp
,k
);
3970 /* another address follows */
3971 if (a
->next
) txt
.data
[txt
.size
++] = ',';
3974 txt
.data
[txt
.size
] = '\0'; /* tie off string */
3975 ret
= mail_search_header (&txt
,st
);
3976 fs_give ((void **) &txt
.data
);
3981 /* Get string for low-memory searching
3982 * Accepts: readin function pointer
3991 * Returns: NIL, always
3994 #define SEARCHSLOP 128
3996 char *mail_search_gets (readfn_t f
,void *stream
,unsigned long size
,
4000 char tmp
[MAILTMPLEN
+SEARCHSLOP
+1];
4002 /* better not be called unless searching */
4003 if (!md
->stream
->private.search
.string
) {
4004 sprintf (tmp
,"Search botch, mbx = %.80s, %s = %lu[%.80s]",
4005 md
->stream
->mailbox
,
4006 (md
->flags
& FT_UID
) ? "UID" : "msg",md
->msgno
,md
->what
);
4009 /* initially no match for search */
4010 md
->stream
->private.search
.result
= NIL
;
4011 /* make sure buffer clear */
4012 memset (st
.data
= (unsigned char *) tmp
,'\0',
4013 (size_t) MAILTMPLEN
+SEARCHSLOP
+1);
4014 /* read first buffer */
4015 (*f
) (stream
,st
.size
= i
= min (size
,(long) MAILTMPLEN
),tmp
);
4016 /* search for text */
4017 if (mail_search_string (&st
,NIL
,&md
->stream
->private.search
.string
))
4018 md
->stream
->private.search
.result
= T
;
4019 else if (size
-= i
) { /* more to do, blat slop down */
4020 memmove (tmp
,tmp
+MAILTMPLEN
-SEARCHSLOP
,(size_t) SEARCHSLOP
);
4021 do { /* read subsequent buffers one at a time */
4022 (*f
) (stream
,i
= min (size
,(long) MAILTMPLEN
),tmp
+SEARCHSLOP
);
4023 st
.size
= i
+ SEARCHSLOP
;
4024 if (mail_search_string (&st
,NIL
,&md
->stream
->private.search
.string
))
4025 md
->stream
->private.search
.result
= T
;
4026 else memmove (tmp
,tmp
+MAILTMPLEN
,(size_t) SEARCHSLOP
);
4028 while ((size
-= i
) && !md
->stream
->private.search
.result
);
4030 if (size
) { /* toss out everything after that */
4031 do (*f
) (stream
,i
= min (size
,(long) MAILTMPLEN
),tmp
);
4037 /* Mail parse search criteria
4039 * Returns: search program if parse successful, else NIL
4042 SEARCHPGM
*mail_criteria (char *criteria
)
4044 SEARCHPGM
*pgm
= NIL
;
4045 char *criterion
,*r
,tmp
[MAILTMPLEN
];
4047 if (criteria
) { /* only if criteria defined */
4048 /* make writeable copy of criteria */
4049 criteria
= cpystr (criteria
);
4050 /* for each criterion */
4051 for (pgm
= mail_newsearchpgm (), criterion
= strtok_r (criteria
," ",&r
);
4052 criterion
; (criterion
= strtok_r (NIL
," ",&r
))) {
4053 f
= NIL
; /* init then scan the criterion */
4054 switch (*ucase (criterion
)) {
4055 case 'A': /* possible ALL, ANSWERED */
4056 if (!strcmp (criterion
+1,"LL")) f
= T
;
4057 else if (!strcmp (criterion
+1,"NSWERED")) f
= pgm
->answered
= T
;
4059 case 'B': /* possible BCC, BEFORE, BODY */
4060 if (!strcmp (criterion
+1,"CC"))
4061 f
= mail_criteria_string (&pgm
->bcc
,&r
);
4062 else if (!strcmp (criterion
+1,"EFORE"))
4063 f
= mail_criteria_date (&pgm
->before
,&r
);
4064 else if (!strcmp (criterion
+1,"ODY"))
4065 f
= mail_criteria_string (&pgm
->body
,&r
);
4067 case 'C': /* possible CC */
4068 if (!strcmp (criterion
+1,"C")) f
= mail_criteria_string (&pgm
->cc
,&r
);
4070 case 'D': /* possible DELETED */
4071 if (!strcmp (criterion
+1,"ELETED")) f
= pgm
->deleted
= T
;
4073 case 'F': /* possible FLAGGED, FROM */
4074 if (!strcmp (criterion
+1,"LAGGED")) f
= pgm
->flagged
= T
;
4075 else if (!strcmp (criterion
+1,"ROM"))
4076 f
= mail_criteria_string (&pgm
->from
,&r
);
4078 case 'K': /* possible KEYWORD */
4079 if (!strcmp (criterion
+1,"EYWORD"))
4080 f
= mail_criteria_string (&pgm
->keyword
,&r
);
4083 case 'N': /* possible NEW */
4084 if (!strcmp (criterion
+1,"EW")) f
= pgm
->recent
= pgm
->unseen
= T
;
4086 case 'O': /* possible OLD, ON */
4087 if (!strcmp (criterion
+1,"LD")) f
= pgm
->old
= T
;
4088 else if (!strcmp (criterion
+1,"N"))
4089 f
= mail_criteria_date (&pgm
->on
,&r
);
4091 case 'R': /* possible RECENT */
4092 if (!strcmp (criterion
+1,"ECENT")) f
= pgm
->recent
= T
;
4094 case 'S': /* possible SEEN, SINCE, SUBJECT */
4095 if (!strcmp (criterion
+1,"EEN")) f
= pgm
->seen
= T
;
4096 else if (!strcmp (criterion
+1,"INCE"))
4097 f
= mail_criteria_date (&pgm
->since
,&r
);
4098 else if (!strcmp (criterion
+1,"UBJECT"))
4099 f
= mail_criteria_string (&pgm
->subject
,&r
);
4101 case 'T': /* possible TEXT, TO */
4102 if (!strcmp (criterion
+1,"EXT"))
4103 f
= mail_criteria_string (&pgm
->text
,&r
);
4104 else if (!strcmp (criterion
+1,"O"))
4105 f
= mail_criteria_string (&pgm
->to
,&r
);
4107 case 'U': /* possible UN* */
4108 if (criterion
[1] == 'N') {
4109 if (!strcmp (criterion
+2,"ANSWERED")) f
= pgm
->unanswered
= T
;
4110 else if (!strcmp (criterion
+2,"DELETED")) f
= pgm
->undeleted
= T
;
4111 else if (!strcmp (criterion
+2,"FLAGGED")) f
= pgm
->unflagged
= T
;
4112 else if (!strcmp (criterion
+2,"KEYWORD"))
4113 f
= mail_criteria_string (&pgm
->unkeyword
,&r
);
4114 else if (!strcmp (criterion
+2,"SEEN")) f
= pgm
->unseen
= T
;
4117 default: /* we will barf below */
4120 if (!f
) { /* if can't identify criterion */
4121 sprintf (tmp
,"Unknown search criterion: %.30s",criterion
);
4123 mail_free_searchpgm (&pgm
);
4127 /* no longer need copy of criteria */
4128 fs_give ((void **) &criteria
);
4134 * Accepts: pointer to date integer to return
4135 * pointer to strtok state
4136 * Returns: T if successful, else NIL
4139 int mail_criteria_date (unsigned short *date
,char **r
)
4141 STRINGLIST
*s
= NIL
;
4143 /* parse the date and return fn if OK */
4144 int ret
= (mail_criteria_string (&s
,r
) &&
4145 mail_parse_date (&elt
,(char *) s
->text
.data
) &&
4146 (*date
= mail_shortdate (elt
.year
,elt
.month
,elt
.day
))) ?
4148 if (s
) mail_free_stringlist (&s
);
4152 /* Calculate shortdate from elt values
4153 * Accepts: year (0 = BASEYEAR)
4154 * month (1 = January)
4156 * Returns: shortdate
4159 unsigned short mail_shortdate (unsigned int year
,unsigned int month
,
4162 return (year
<< 9) + (month
<< 5) + day
;
4166 * Accepts: pointer to stringlist
4167 * pointer to strtok state
4168 * Returns: T if successful, else NIL
4171 int mail_criteria_string (STRINGLIST
**s
,char **r
)
4174 char e
,*d
,*end
= " ",*c
= strtok_r (NIL
,"",r
);
4175 if (!c
) return NIL
; /* missing argument */
4176 switch (*c
) { /* see what the argument is */
4177 case '{': /* literal string */
4178 n
= strtoul (c
+1,&d
,10); /* get its length */
4179 if ((*d
++ == '}') && (*d
++ == '\015') && (*d
++ == '\012') &&
4180 (!(*(c
= d
+ n
)) || (*c
== ' '))) {
4181 e
= *--c
; /* store old delimiter */
4182 *c
= '\377'; /* make sure not a space */
4183 strtok_r (c
," ",r
); /* reset the strtok mechanism */
4184 *c
= e
; /* put character back */
4187 case '\0': /* catch bogons */
4190 case '"': /* quoted string */
4191 if (strchr (c
+1,'"')) end
= "\"";
4192 else return NIL
; /* falls through */
4193 default: /* atomic string */
4194 if ((d
= strtok_r (c
,end
,r
)) != NULL
) n
= strlen (d
);
4198 while (*s
) s
= &(*s
)->next
; /* find tail of list */
4199 *s
= mail_newstringlist (); /* make new entry */
4200 /* return the data */
4201 (*s
)->text
.data
= (unsigned char *) cpystr (d
);
4202 (*s
)->text
.size
= n
;
4206 /* Mail parse set from string
4207 * Accepts: string to parse
4208 * pointer to updated string pointer for return
4209 * Returns: set with pointer updated, or NIL if error
4212 SEARCHSET
*mail_parse_set (char *s
,char **ret
)
4215 SEARCHSET
*set
= NIL
;
4216 while (isdigit (*s
)) {
4217 if (!set
) cur
= set
= mail_newsearchset ();
4218 else cur
= cur
->next
= mail_newsearchset ();
4220 if (!(cur
->first
= strtoul (s
,&s
,10)) ||
4221 ((*s
== ':') && !(isdigit (*++s
) && (cur
->last
= strtoul (s
,&s
,10)))))
4222 break; /* bad value or range */
4223 if (*s
== ',') ++s
; /* point to next value if more */
4224 else { /* end of set */
4225 *ret
= s
; /* set return pointer */
4226 return set
; /* return set */
4229 mail_free_searchset (&set
); /* failure, punt partial set */
4234 /* Mail append to set
4235 * Accepts: head of search set or NIL to do nothing
4237 * Returns: tail of search set or NIL if did nothing
4240 SEARCHSET
*mail_append_set (SEARCHSET
*set
,unsigned long msgno
)
4242 if (set
) { /* find tail */
4243 while (set
->next
) set
= set
->next
;
4244 /* start of set if no first member */
4245 if (!set
->first
) set
->first
= msgno
;
4246 else if (msgno
== (set
->last
? set
->last
: set
->first
) + 1)
4247 set
->last
= msgno
; /* extend range if 1 past current */
4248 else (set
= set
->next
= mail_newsearchset ())->first
= msgno
;
4253 /* Mail sort messages
4254 * Accepts: mail stream
4259 * Returns: vector of sorted message sequences or NIL if error
4262 unsigned long *mail_sort (MAILSTREAM
*stream
,char *charset
,SEARCHPGM
*spg
,
4263 SORTPGM
*pgm
,long flags
)
4265 unsigned long *ret
= NIL
;
4266 if (stream
->dtb
) /* do the driver's action */
4267 ret
= (*(stream
->dtb
->sort
? stream
->dtb
->sort
: mail_sort_msgs
))
4268 (stream
,charset
,spg
,pgm
,flags
);
4269 /* flush search/sort programs if requested */
4270 if (spg
&& (flags
& SE_FREE
)) mail_free_searchpgm (&spg
);
4271 if (flags
& SO_FREE
) mail_free_sortpgm (&pgm
);
4275 /* Mail sort messages work routine
4276 * Accepts: mail stream
4281 * Returns: vector of sorted message sequences or NIL if error
4284 unsigned long *mail_sort_msgs (MAILSTREAM
*stream
,char *charset
,SEARCHPGM
*spg
,
4285 SORTPGM
*pgm
,long flags
)
4289 unsigned long *ret
= NIL
;
4290 if (spg
) { /* only if a search needs to be done */
4291 int silent
= stream
->silent
;
4292 stream
->silent
= T
; /* don't pass up mm_searched() events */
4293 /* search for messages */
4294 mail_search_full (stream
,charset
,spg
,NIL
);
4295 stream
->silent
= silent
; /* restore silence state */
4297 /* initialize progress counters */
4298 pgm
->nmsgs
= pgm
->progress
.cached
= 0;
4299 /* pass 1: count messages to sort */
4300 for (i
= 1; i
<= stream
->nmsgs
; ++i
)
4301 if (mail_elt (stream
,i
)->searched
) pgm
->nmsgs
++;
4302 if (pgm
->nmsgs
) { /* pass 2: sort cache */
4303 sc
= mail_sort_loadcache (stream
,pgm
);
4304 /* pass 3: sort messages */
4305 if (!pgm
->abort
) ret
= mail_sort_cache (stream
,pgm
,sc
,flags
);
4306 fs_give ((void **) &sc
); /* don't need sort vector any more */
4308 /* empty sort results */
4309 else ret
= (unsigned long *) memset (fs_get (sizeof (unsigned long)),0,
4310 sizeof (unsigned long));
4311 /* also return via callback if requested */
4312 if (mailsortresults
) (*mailsortresults
) (stream
,ret
,pgm
->nmsgs
);
4313 return ret
; /* return sort results */
4316 /* Mail sort sortcache vector
4317 * Accepts: mail stream
4321 * Returns: vector of sorted message sequences or NIL if error
4324 unsigned long *mail_sort_cache (MAILSTREAM
*stream
,SORTPGM
*pgm
,SORTCACHE
**sc
,
4327 unsigned long i
,*ret
;
4328 /* pass 3: sort messages */
4329 qsort ((void *) sc
,pgm
->nmsgs
,sizeof (SORTCACHE
*),mail_sort_compare
);
4330 /* optional post sorting */
4331 if (pgm
->postsort
) (*pgm
->postsort
) ((void *) sc
);
4332 /* pass 4: return results */
4333 ret
= (unsigned long *) fs_get ((pgm
->nmsgs
+1) * sizeof (unsigned long));
4334 if (flags
& SE_UID
) /* UID or msgno? */
4335 for (i
= 0; i
< pgm
->nmsgs
; i
++) ret
[i
] = mail_uid (stream
,sc
[i
]->num
);
4336 else for (i
= 0; i
< pgm
->nmsgs
; i
++) ret
[i
] = sc
[i
]->num
;
4337 ret
[pgm
->nmsgs
] = 0; /* tie off message list */
4341 /* Mail load sortcache
4342 * Accepts: mail stream, already searched
4344 * Returns: vector of sortcache pointers matching search
4347 static STRINGLIST maildateline
= {{(unsigned char *) "date",4},NIL
};
4348 static STRINGLIST mailrnfromline
= {{(unsigned char *) ">from",5},NIL
};
4349 static STRINGLIST mailfromline
= {{(unsigned char *) "from",4},
4351 static STRINGLIST mailtonline
= {{(unsigned char *) "to",2},NIL
};
4352 static STRINGLIST mailccline
= {{(unsigned char *) "cc",2},NIL
};
4353 static STRINGLIST mailsubline
= {{(unsigned char *) "subject",7},NIL
};
4355 SORTCACHE
**mail_sort_loadcache (MAILSTREAM
*stream
,SORTPGM
*pgm
)
4357 char *t
,*v
,*x
,tmp
[MAILTMPLEN
];
4360 MESSAGECACHE
*elt
,telt
;
4363 unsigned long i
= (pgm
->nmsgs
) * sizeof (SORTCACHE
*);
4364 sc
= (SORTCACHE
**) memset (fs_get ((size_t) i
),0,(size_t) i
);
4365 /* see what needs to be loaded */
4366 for (i
= 1; !pgm
->abort
&& (i
<= stream
->nmsgs
); i
++)
4367 if ((elt
= mail_elt (stream
,i
))->searched
) {
4368 sc
[pgm
->progress
.cached
++] =
4369 s
= (SORTCACHE
*) (*mailcache
) (stream
,i
,CH_SORTCACHE
);
4370 s
->pgm
= pgm
; /* note sort program */
4372 /* get envelope if cached */
4373 if (stream
->scache
) env
= (i
== stream
->msgno
) ? stream
->env
: NIL
;
4374 else env
= elt
->private.msg
.env
;
4375 for (pg
= pgm
; pg
; pg
= pg
->next
) switch (pg
->function
) {
4376 case SORTARRIVAL
: /* sort by arrival date */
4378 /* internal date unknown but can get? */
4379 if (!elt
->day
&& !(stream
->dtb
->flags
& DR_NOINTDATE
)) {
4380 sprintf (tmp
,"%lu",i
);
4381 mail_fetch_fast (stream
,tmp
,NIL
);
4383 /* wrong thing before 3-Jan-1970 */
4384 s
->arrival
= elt
->day
? mail_longdate (elt
) : 1;
4388 case SORTSIZE
: /* sort by message size */
4390 if (!elt
->rfc822_size
) {
4391 sprintf (tmp
,"%lu",i
);
4392 mail_fetch_fast (stream
,tmp
,NIL
);
4394 s
->size
= elt
->rfc822_size
? elt
->rfc822_size
: 1;
4399 case SORTDATE
: /* sort by date */
4401 if (env
) t
= env
->date
;
4402 else if ((t
= mail_fetch_header (stream
,i
,NIL
,&maildateline
,NIL
,
4403 FT_INTERNAL
| FT_PEEK
)) &&
4404 (t
= strchr (t
,':')))
4405 for (x
= ++t
; (x
= strpbrk (x
,"\012\015")) != NULL
; x
++)
4406 switch (*(v
= ((*x
== '\015') && (x
[1] == '\012')) ? x
+2 : x
+1)){
4407 case ' ': /* erase continuation newlines */
4409 memmove (x
,v
,strlen (v
));
4411 default: /* tie off extraneous text */
4414 /* skip leading whitespace */
4415 if (t
) while ((*t
== ' ') || (*t
== '\t')) t
++;
4416 /* parse date from Date: header */
4417 if (!(t
&& mail_parse_date (&telt
,t
) &&
4418 (s
->date
= mail_longdate (&telt
)))) {
4419 /* failed, use internal date */
4420 if (!(s
->date
= s
->arrival
)) {
4421 /* internal date unknown but can get? */
4422 if (!elt
->day
&& !(stream
->dtb
->flags
& DR_NOINTDATE
)) {
4423 sprintf (tmp
,"%lu",i
);
4424 mail_fetch_fast (stream
,tmp
,NIL
);
4426 /* wrong thing before 3-Jan-1970 */
4427 s
->date
= (s
->arrival
= elt
->day
? mail_longdate (elt
) : 1);
4434 case SORTFROM
: /* sort by first from */
4436 if (env
) s
->from
= env
->from
&& env
->from
->mailbox
?
4437 cpystr (env
->from
->mailbox
) : NIL
;
4438 else if ((t
= mail_fetch_header (stream
,i
,NIL
,&mailfromline
,NIL
,
4439 FT_INTERNAL
| FT_PEEK
)) &&
4440 (t
= strchr (t
,':'))) {
4441 for (x
= ++t
; (x
= strpbrk (x
,"\012\015")) != NULL
; x
++)
4442 switch (*(v
= ((*x
== '\015') && (x
[1] == '\012')) ? x
+2 : x
+1)){
4443 case ' ': /* erase continuation newlines */
4445 memmove (x
,v
,strlen (v
));
4447 case 'f': /* continuation but with extra "From:" */
4449 if ((v
= strchr (v
,':')) != NULL
) {
4450 memmove (x
,v
+1,strlen (v
+1));
4453 default: /* tie off extraneous text */
4456 rfc822_parse_adrlist (&adr
,t
,BADHOST
);
4458 s
->from
= adr
->mailbox
;
4460 mail_free_address (&adr
);
4463 if (!s
->from
) s
->from
= cpystr ("");
4468 case SORTTO
: /* sort by first to */
4470 if (env
) s
->to
= env
->to
&& env
->to
->mailbox
?
4471 cpystr (env
->to
->mailbox
) : NIL
;
4472 else if ((t
= mail_fetch_header (stream
,i
,NIL
,&mailtonline
,NIL
,
4473 FT_INTERNAL
| FT_PEEK
)) &&
4474 (t
= strchr (t
,':'))) {
4475 for (x
= ++t
; (x
= strpbrk (x
,"\012\015")) != NULL
; x
++)
4476 switch (*(v
= ((*x
== '\015') && (x
[1] == '\012')) ? x
+2 : x
+1)){
4477 case ' ': /* erase continuation newlines */
4479 memmove (x
,v
,strlen (v
));
4481 case 't': /* continuation but with extra "To:" */
4483 if ((v
= strchr (v
,':')) != NULL
) {
4484 memmove (x
,v
+1,strlen (v
+1));
4487 default: /* tie off extraneous text */
4490 rfc822_parse_adrlist (&adr
,t
,BADHOST
);
4492 s
->to
= adr
->mailbox
;
4494 mail_free_address (&adr
);
4497 if (!s
->to
) s
->to
= cpystr ("");
4502 case SORTCC
: /* sort by first cc */
4504 if (env
) s
->cc
= env
->cc
&& env
->cc
->mailbox
?
4505 cpystr (env
->cc
->mailbox
) : NIL
;
4506 else if ((t
= mail_fetch_header (stream
,i
,NIL
,&mailccline
,NIL
,
4507 FT_INTERNAL
| FT_PEEK
)) &&
4508 (t
= strchr (t
,':'))) {
4509 for (x
= ++t
; (x
= strpbrk (x
,"\012\015")) != NULL
; x
++)
4510 switch (*(v
= ((*x
== '\015') && (x
[1] == '\012')) ? x
+2 : x
+1)){
4511 case ' ': /* erase continuation newlines */
4513 memmove (x
,v
,strlen (v
));
4515 case 'c': /* continuation but with extra "cc:" */
4517 if ((v
= strchr (v
,':')) != NULL
) {
4518 memmove (x
,v
+1,strlen (v
+1));
4521 default: /* tie off extraneous text */
4524 rfc822_parse_adrlist (&adr
,t
,BADHOST
);
4526 s
->cc
= adr
->mailbox
;
4528 mail_free_address (&adr
);
4531 if (!s
->cc
) s
->cc
= cpystr ("");
4536 case SORTSUBJECT
: /* sort by subject */
4538 /* get subject from envelope if have one */
4539 if (env
) t
= env
->subject
? env
->subject
: "";
4540 /* otherwise snarf from header text */
4541 else if ((t
= mail_fetch_header (stream
,i
,NIL
,&mailsubline
,
4542 NIL
,FT_INTERNAL
| FT_PEEK
)) &&
4543 (t
= strchr (t
,':')))
4544 for (x
= ++t
; (x
= strpbrk (x
,"\012\015")) != NULL
; x
++)
4545 switch (*(v
= ((*x
== '\015') && (x
[1] == '\012')) ? x
+2 : x
+1)){
4546 case ' ': /* erase continuation newlines */
4548 memmove (x
,v
,strlen (v
));
4550 default: /* tie off extraneous text */
4553 else t
= ""; /* empty subject */
4554 /* strip and cache subject */
4555 s
->refwd
= mail_strip_subject (t
,&s
->subject
);
4560 fatal ("Unknown sort function");
4566 /* Strip subjects of extra spaces and leading and trailing cruft for sorting
4567 * Accepts: unstripped subject
4568 * pointer to return stripped subject, in cpystr form
4569 * Returns: T if subject had a re/fwd, NIL otherwise
4572 unsigned int mail_strip_subject (char *t
,char **ret
)
4575 unsigned long i
,slen
;
4577 unsigned int refwd
= NIL
;
4578 if ((src
.size
= strlen (t
)) != 0) { /* have non-empty subject? */
4579 src
.data
= (unsigned char *) t
;
4581 /* make copy, convert MIME2 if needed */
4582 *ret
= s
= (utf8_mime2text (&src
,&dst
,U8T_CANONICAL
) &&
4583 (src
.data
!= dst
.data
)) ? (char *) dst
.data
: cpystr (t
);
4584 /* convert spaces to tab, strip extra spaces */
4585 for (x
= t
= s
, c
= 'x'; *t
; t
++) {
4586 if (c
!= ' ') c
= *x
++ = ((*t
== '\t') ? ' ' : *t
);
4587 else if ((*t
!= '\t') && (*t
!= ' ')) c
= *x
++ = *t
;
4589 *x
= '\0'; /* tie off string */
4591 for (slen
= dst
.size
; s
; slen
= strlen (s
)) {
4592 for (t
= s
+ slen
; t
> s
; ) switch (t
[-1]) {
4593 case ' ': case '\t': /* WSP */
4594 *--t
= '\0'; /* just remove it */
4596 case ')': /* possible "(fwd)" */
4597 if ((t
>= (s
+ 5)) && (t
[-5] == '(') &&
4598 ((t
[-4] == 'F') || (t
[-4] == 'f')) &&
4599 ((t
[-3] == 'W') || (t
[-3] == 'w')) &&
4600 ((t
[-2] == 'D') || (t
[-2] == 'd'))) {
4601 *(t
-= 5) = '\0'; /* remove "(fwd)" */
4602 refwd
= T
; /* note a re/fwd */
4605 default: /* not a subj-trailer */
4610 for (t
= s
; t
; ) switch (*s
) {
4611 case ' ': case '\t': /* WSP */
4612 s
= t
= mail_strip_subject_wsp (s
+ 1);
4614 case 'r': case 'R': /* possible "re" */
4615 if (((s
[1] == 'E') || (s
[1] == 'e')) &&
4616 (t
= mail_strip_subject_wsp (s
+ 2)) &&
4617 (t
= mail_strip_subject_blob (t
)) && (*t
== ':')) {
4618 s
= ++t
; /* found "re" */
4619 refwd
= T
; /* definitely a re/fwd at this point */
4621 else t
= NIL
; /* found subj-middle */
4623 case 'f': case 'F': /* possible "fw" or "fwd" */
4624 if (((s
[1] == 'w') || (s
[1] == 'W')) &&
4625 (((s
[2] == 'd') || (s
[2] == 'D')) ?
4626 (t
= mail_strip_subject_wsp (s
+ 3)) :
4627 (t
= mail_strip_subject_wsp (s
+ 2))) &&
4628 (t
= mail_strip_subject_blob (t
)) && (*t
== ':')) {
4629 s
= ++t
; /* found "fwd" */
4630 refwd
= T
; /* definitely a re/fwd at this point */
4632 else t
= NIL
; /* found subj-middle */
4634 case '[': /* possible subj-blob */
4635 if ((t
= mail_strip_subject_blob (s
)) && *t
) s
= t
;
4636 else t
= NIL
; /* found subj-middle */
4639 t
= NIL
; /* found subj-middle */
4643 /* Netscape-style "[Fwd: ...]"? */
4644 if ((*s
== '[') && ((s
[1] == 'F') || (s
[1] == 'f')) &&
4645 ((s
[2] == 'W') || (s
[2] == 'w')) &&
4646 ((s
[3] == 'D') || (s
[3] == 'd')) && (s
[4] == ':') &&
4647 (s
[i
= strlen (s
) - 1] == ']')) {
4648 s
[i
] = '\0'; /* flush closing "]" */
4649 s
+= 5; /* and leading "[Fwd:" */
4650 refwd
= T
; /* definitely a re/fwd at this point */
4652 else break; /* don't need to loop back to step 2 */
4654 if (s
!= (t
= *ret
)) { /* removed leading text? */
4655 s
= *ret
= cpystr (s
); /* yes, make a fresh return copy */
4656 fs_give ((void **) &t
); /* flush old copy */
4659 else *ret
= cpystr (""); /* empty subject */
4660 return refwd
; /* return re/fwd state */
4663 /* Strip subject wsp helper routine
4665 * Returns: pointer to text after blob
4668 char *mail_strip_subject_wsp (char *s
)
4670 while ((*s
== ' ') || (*s
== '\t')) s
++;
4675 /* Strip subject blob helper routine
4677 * Returns: pointer to text after any blob, NIL if blob-like but not blob
4680 char *mail_strip_subject_blob (char *s
)
4682 if (*s
!= '[') return s
; /* not a blob, ignore */
4683 /* search for end of blob */
4684 while (*++s
!= ']') if ((*s
== '[') || !*s
) return NIL
;
4685 return mail_strip_subject_wsp (s
+ 1);
4688 /* Sort compare messages
4689 * Accept: first message sort cache element
4690 * second message sort cache element
4691 * Returns: -1 if a1 < a2, 0 if a1 == a2, 1 if a1 > a2
4694 int mail_sort_compare (const void *a1
,const void *a2
)
4697 SORTCACHE
*s1
= *(SORTCACHE
**) a1
;
4698 SORTCACHE
*s2
= *(SORTCACHE
**) a2
;
4699 SORTPGM
*pgm
= s1
->pgm
;
4700 if (!s1
->sorted
) { /* this one sorted yet? */
4702 pgm
->progress
.sorted
++; /* another sorted message */
4704 if (!s2
->sorted
) { /* this one sorted yet? */
4706 pgm
->progress
.sorted
++; /* another sorted message */
4709 switch (pgm
->function
) { /* execute search program */
4710 case SORTDATE
: /* sort by date */
4711 i
= compare_ulong (s1
->date
,s2
->date
);
4713 case SORTARRIVAL
: /* sort by arrival date */
4714 i
= compare_ulong (s1
->arrival
,s2
->arrival
);
4716 case SORTSIZE
: /* sort by message size */
4717 i
= compare_ulong (s1
->size
,s2
->size
);
4719 case SORTFROM
: /* sort by first from */
4720 i
= compare_string (s1
->from
,s2
->from
);
4722 case SORTTO
: /* sort by first to */
4723 i
= compare_string (s1
->to
,s2
->to
);
4725 case SORTCC
: /* sort by first cc */
4726 i
= compare_string (s1
->cc
,s2
->cc
);
4728 case SORTSUBJECT
: /* sort by subject */
4729 i
= compare_string (s1
->subject
,s2
->subject
);
4732 if (pgm
->reverse
) i
= -i
; /* flip results if necessary */
4734 while ((pgm
= i
? NIL
: pgm
->next
) != NULL
);
4735 /* return result, avoid 0 if at all possible */
4736 return i
? i
: compare_ulong (s1
->num
,s2
->num
);
4739 /* Return message date as an unsigned long seconds since time began
4740 * Accepts: message cache pointer
4741 * Returns: unsigned long of date
4743 * This routine, like most UNIX systems, is clueless about leap seconds.
4744 * Thus, it treats 23:59:60 as equivalent to 00:00:00 the next day.
4746 * This routine forces any early hours on 1-Jan-1970 in oriental timezones
4747 * to be 1-Jan-1970 00:00:00 UTC, so as to avoid negative longdates.
4750 unsigned long mail_longdate (MESSAGECACHE
*elt
)
4752 unsigned long m
= elt
->month
? elt
->month
: 1;
4753 unsigned long yr
= elt
->year
+ BASEYEAR
;
4754 /* number of days since time began */
4755 unsigned long ret
= (elt
->day
? (elt
->day
- 1) : 0)
4756 + 30 * (m
- 1) + ((m
+ (m
> 8)) / 2)
4757 #ifndef USEJULIANCALENDAR
4758 #ifndef USEORTHODOXCALENDAR /* Gregorian calendar */
4759 + ((yr
/ 400) - (BASEYEAR
/ 400)) - ((yr
/ 100) - (BASEYEAR
/ 100))
4761 - ((yr
/ 4000) - (BASEYEAR
/ 4000))
4764 !(yr
% 4) && ((yr
% 100) || (!(yr
% 400)
4769 #else /* Orthodox calendar */
4770 + ((2*(yr
/ 900)) - (2*(BASEYEAR
/ 900)))
4771 + (((yr
% 900) >= 200) - ((BASEYEAR
% 900) >= 200))
4772 + (((yr
% 900) >= 600) - ((BASEYEAR
% 900) >= 600))
4773 - ((yr
/ 100) - (BASEYEAR
/ 100))
4775 !(yr
% 4) && ((yr
% 100) || ((yr
% 900) == 200) || ((yr
% 900) == 600))
4779 + elt
->year
* 365 + (((unsigned long) (elt
->year
+ (BASEYEAR
% 4))) / 4);
4780 ret
*= 24; ret
+= elt
->hours
; /* date value in hours */
4781 ret
*= 60; ret
+=elt
->minutes
;/* date value in minutes */
4782 yr
= (elt
->zhours
* 60) + elt
->zminutes
;
4783 if (elt
->zoccident
) ret
+= yr
;/* occidental timezone, make UTC */
4784 else if (ret
< yr
) return 0; /* still 31-Dec-1969 in UTC */
4785 else ret
-= yr
; /* oriental timezone, make UTC */
4786 ret
*= 60; ret
+= elt
->seconds
;
4790 /* Mail thread messages
4791 * Accepts: mail stream
4796 * Returns: thread node tree or NIL if error
4799 THREADNODE
*mail_thread (MAILSTREAM
*stream
,char *type
,char *charset
,
4800 SEARCHPGM
*spg
,long flags
)
4802 THREADNODE
*ret
= NIL
;
4803 if (stream
->dtb
) /* must have a live driver */
4804 ret
= stream
->dtb
->thread
? /* do driver's action if available */
4805 (*stream
->dtb
->thread
) (stream
,type
,charset
,spg
,flags
) :
4806 mail_thread_msgs (stream
,type
,charset
,spg
,flags
,mail_sort_msgs
);
4807 /* flush search/sort programs if requested */
4808 if (spg
&& (flags
& SE_FREE
)) mail_free_searchpgm (&spg
);
4813 /* Mail thread messages
4814 * Accepts: mail stream
4820 * Returns: thread node tree or NIL if error
4823 THREADNODE
*mail_thread_msgs (MAILSTREAM
*stream
,char *type
,char *charset
,
4824 SEARCHPGM
*spg
,long flags
,sorter_t sorter
)
4827 for (t
= &mailthreadlist
; t
; t
= t
->next
)
4828 if (!compare_cstring (type
,t
->name
)) {
4829 THREADNODE
*ret
= (*t
->dispatch
) (stream
,charset
,spg
,flags
,sorter
);
4830 if (mailthreadresults
) (*mailthreadresults
) (stream
,ret
);
4833 MM_LOG ("No such thread type",ERROR
);
4837 /* Mail thread ordered subject
4838 * Accepts: mail stream
4843 * Returns: thread node tree
4846 THREADNODE
*mail_thread_orderedsubject (MAILSTREAM
*stream
,char *charset
,
4847 SEARCHPGM
*spg
,long flags
,
4850 THREADNODE
*thr
= NIL
;
4851 THREADNODE
*cur
,*top
,**tc
;
4854 unsigned long i
,j
,*lst
,*ls
;
4855 /* sort by subject+date */
4856 memset (&pgm
,0,sizeof (SORTPGM
));
4857 memset (&pgm2
,0,sizeof (SORTPGM
));
4858 pgm
.function
= SORTSUBJECT
;
4860 pgm2
.function
= SORTDATE
;
4861 if ((lst
= (*sorter
) (stream
,charset
,spg
,&pgm
,flags
& ~(SE_FREE
| SE_UID
))) != NULL
){
4862 if (*(ls
= lst
)) { /* create thread */
4863 /* note first subject */
4864 cur
= top
= thr
= mail_newthreadnode
4865 ((SORTCACHE
*) (*mailcache
) (stream
,*ls
++,CH_SORTCACHE
));
4866 /* note its number */
4867 cur
->num
= (flags
& SE_UID
) ? mail_uid (stream
,*lst
) : *lst
;
4868 i
= 1; /* number of threads */
4869 while (*ls
) { /* build tree */
4870 /* subjects match? */
4871 s
= (SORTCACHE
*) (*mailcache
) (stream
,*ls
++,CH_SORTCACHE
);
4872 if (compare_cstring (top
->sc
->subject
,s
->subject
)) {
4873 i
++; /* have a new thread */
4874 top
= top
->branch
= cur
= mail_newthreadnode (s
);
4876 /* start a child of the top */
4877 else if (cur
== top
) cur
= cur
->next
= mail_newthreadnode (s
);
4878 /* sibling of child */
4879 else cur
= cur
->branch
= mail_newthreadnode (s
);
4880 /* set to msgno or UID as needed */
4881 cur
->num
= (flags
& SE_UID
) ? mail_uid (stream
,s
->num
) : s
->num
;
4883 /* make threadnode cache */
4884 tc
= (THREADNODE
**) fs_get (i
* sizeof (THREADNODE
*));
4885 /* load threadnode cache */
4886 for (j
= 0, cur
= thr
; cur
; cur
= cur
->branch
) tc
[j
++] = cur
;
4887 if (i
!= j
) fatal ("Threadnode cache confusion");
4888 qsort ((void *) tc
,i
,sizeof (THREADNODE
*),mail_thread_compare_date
);
4889 for (j
= 0, --i
; j
< i
; j
++) tc
[j
]->branch
= tc
[j
+1];
4890 tc
[j
]->branch
= NIL
; /* end of root */
4891 thr
= tc
[0]; /* head of data */
4892 fs_give ((void **) &tc
);
4894 fs_give ((void **) &lst
);
4899 /* Mail thread references
4900 * Accepts: mail stream
4905 * Returns: thread node tree
4908 #define REFHASHSIZE 1009 /* arbitrary prime for hash table size */
4910 /* Reference threading container, as described in Jamie Zawinski's web page
4911 * (http://www.jwz.org/doc/threading.html) for this algorithm. These are
4912 * stored as extended data in the hash table (called "id_table" in JWZ's
4913 * document) and are maintained by the hash table routines. The hash table
4914 * routines implement extended data as additional void* words at the end of
4915 * each bucket, hence these strange macros instead of a struct which would
4916 * have been more straightforward.
4919 #define THREADLINKS 3 /* number of thread links */
4921 #define CACHE(data) ((SORTCACHE *) (data)[0])
4922 #define PARENT(data) ((container_t) (data)[1])
4923 #define SETPARENT(data,value) ((container_t) (data[1] = value))
4924 #define SIBLING(data) ((container_t) (data)[2])
4925 #define SETSIBLING(data,value) ((container_t) (data[2] = value))
4926 #define CHILD(data) ((container_t) (data)[3])
4927 #define SETCHILD(data,value) ((container_t) (data[3] = value))
4929 THREADNODE
*mail_thread_references (MAILSTREAM
*stream
,char *charset
,
4930 SEARCHPGM
*spg
,long flags
,sorter_t sorter
)
4932 MESSAGECACHE
*elt
,telt
;
4937 THREADNODE
**tc
,*cur
,*lst
,*nxt
,*sis
,*msg
;
4938 container_t con
,nxc
,prc
,sib
;
4940 char *t
,tmp
[MAILTMPLEN
];
4941 unsigned long j
,nmsgs
;
4942 unsigned long i
= stream
->nmsgs
* sizeof (SORTCACHE
*);
4943 SORTCACHE
**sc
= (SORTCACHE
**) memset (fs_get ((size_t) i
),0,(size_t) i
);
4944 HASHTAB
*ht
= hash_create (REFHASHSIZE
);
4945 THREADNODE
*root
= NIL
;
4946 if (spg
) { /* only if a search needs to be done */
4947 int silent
= stream
->silent
;
4948 stream
->silent
= T
; /* don't pass up mm_searched() events */
4949 /* search for messages */
4950 mail_search_full (stream
,charset
,spg
,NIL
);
4951 stream
->silent
= silent
; /* restore silence state */
4954 /* create SORTCACHE vector of requested msgs */
4955 for (i
= 1, nmsgs
= 0; i
<= stream
->nmsgs
; ++i
)
4956 if (mail_elt (stream
,i
)->searched
)
4957 (sc
[nmsgs
++] = (SORTCACHE
*)(*mailcache
)(stream
,i
,CH_SORTCACHE
))->num
=i
;
4958 /* separate pass so can do overview fetch lookahead */
4959 for (i
= 0; i
< nmsgs
; ++i
) { /* for each requested message */
4960 /* is anything missing in its SORTCACHE? */
4961 if (!((s
= sc
[i
])->date
&& s
->subject
&& s
->message_id
&& s
->references
)) {
4962 /* driver has an overview mechanism? */
4963 if (stream
->dtb
&& stream
->dtb
->overview
) {
4964 /* yes, find following unloaded entries */
4965 for (j
= i
+ 1; (j
< nmsgs
) && !sc
[j
]->references
; ++j
);
4966 sprintf (tmp
,"%lu",mail_uid (stream
,s
->num
));
4967 if (i
!= --j
) /* end of range different? */
4968 sprintf (tmp
+ strlen (tmp
),":%lu",mail_uid (stream
,sc
[j
]->num
));
4969 /* load via overview mechanism */
4970 mail_fetch_overview (stream
,tmp
,mail_thread_loadcache
);
4972 /* still missing data? */
4973 if (!s
->date
|| !s
->subject
|| !s
->message_id
|| !s
->references
) {
4974 /* try to load data from envelope */
4975 if ((env
= mail_fetch_structure (stream
,s
->num
,NIL
,NIL
)) != NULL
) {
4976 if (!s
->date
&& env
->date
&& mail_parse_date (&telt
,env
->date
))
4977 s
->date
= mail_longdate (&telt
);
4978 if (!s
->subject
&& env
->subject
)
4980 mail_strip_subject (env
->subject
,&s
->subject
);
4981 if (!s
->message_id
&& env
->message_id
&& *env
->message_id
)
4982 s
->message_id
= mail_thread_parse_msgid (env
->message_id
,NIL
);
4983 if (!s
->references
&& /* use References: or In-Reply-To: */
4985 mail_thread_parse_references (env
->references
,T
)))
4986 s
->references
= mail_thread_parse_references(env
->in_reply_to
,NIL
);
4989 if (!s
->date
&& !(s
->date
= s
->arrival
)) {
4990 /* internal date unknown but can get? */
4991 if (!(elt
= mail_elt (stream
,s
->num
))->day
&&
4992 !(stream
->dtb
->flags
& DR_NOINTDATE
)) {
4993 sprintf (tmp
,"%lu",s
->num
);
4994 mail_fetch_fast (stream
,tmp
,NIL
);
4996 /* wrong thing before 3-Jan-1970 */
4997 s
->date
= (s
->arrival
= elt
->day
? mail_longdate (elt
) : 1);
4999 if (!s
->subject
) s
->subject
= cpystr ("");
5000 if (!s
->references
) s
->references
= mail_newstringlist ();
5005 /* Step 1 (preliminary) */
5006 /* generate unique string */
5007 sprintf (tmp
,"%s.%lx.%lx@%s",stream
->mailbox
,stream
->uid_validity
,
5008 mail_uid (stream
,s
->num
),mylocalhost ());
5009 /* flush old unique string if not message-id */
5010 if (s
->unique
&& (s
->unique
!= s
->message_id
))
5011 fs_give ((void **) &s
->unique
);
5012 s
->unique
= s
->message_id
? /* don't permit Message ID duplicates */
5013 (hash_lookup (ht
,s
->message_id
) ? cpystr (tmp
) : s
->message_id
) :
5014 (s
->message_id
= cpystr (tmp
));
5015 /* add unique string to hash table */
5016 hash_add (ht
,s
->unique
,s
,THREADLINKS
);
5019 for (i
= 0; i
< nmsgs
; ++i
) { /* for each message in sortcache */
5021 if ((st
= (s
= sc
[i
])->references
) && st
->text
.data
)
5022 for (con
= hash_lookup_and_add (ht
,(char *) st
->text
.data
,NIL
,
5023 THREADLINKS
); (st
= st
->next
) != NULL
; con
= nxc
) {
5024 nxc
= hash_lookup_and_add (ht
,(char *) st
->text
.data
,NIL
,THREADLINKS
);
5025 /* only if no parent & won't introduce loop */
5026 if (!PARENT (nxc
) && !mail_thread_check_child (con
,nxc
)) {
5027 SETPARENT (nxc
,con
); /* establish parent/child link */
5028 /* other children become sibling of this one */
5029 SETSIBLING (nxc
,CHILD (con
));
5030 SETCHILD (con
,nxc
); /* set as child of parent */
5033 else con
= NIL
; /* else message has no ancestors */
5035 if ((prc
= PARENT ((nxc
= hash_lookup (ht
,s
->unique
)))) &&
5036 (prc
!= con
)) { /* break links if have a different parent */
5037 SETPARENT (nxc
,NIL
); /* easy if direct child */
5038 if (nxc
== CHILD (prc
)) SETCHILD (prc
,SIBLING (nxc
));
5039 else { /* otherwise hunt through sisters */
5040 for (sib
= CHILD (prc
); nxc
!= SIBLING (sib
); sib
= SIBLING (sib
));
5041 SETSIBLING (sib
,SIBLING (nxc
));
5043 SETSIBLING (nxc
,NIL
); /* no more little sisters either */
5044 prc
= NIL
; /* no more parent set */
5046 /* need to set parent, and parent is good? */
5047 if (!prc
&& !mail_thread_check_child (con
,nxc
)) {
5048 SETPARENT (nxc
,con
); /* establish parent/child link */
5049 if (con
) { /* if non-root parent, set parent's child */
5050 if (CHILD (con
)) { /* have a child already */
5051 /* find youngest daughter */
5052 for (con
= CHILD (con
); SIBLING (con
); con
= SIBLING (con
));
5053 SETSIBLING (con
,nxc
); /* add new baby sister */
5055 else SETCHILD (con
,nxc
);/* set as only child */
5059 fs_give ((void **) &sc
); /* finished with sortcache vector */
5062 /* search hash table for parentless messages */
5063 for (i
= 0, prc
= con
= NIL
; i
< ht
->size
; i
++)
5064 for (he
= ht
->table
[i
]; he
; he
= he
->next
)
5065 if (!PARENT ((nxc
= he
->data
))) {
5066 /* sibling of previous parentless message */
5067 if (con
) con
= SETSIBLING (con
,nxc
);
5068 else prc
= con
= nxc
; /* first parentless message */
5070 /* Once the dummy containers are pruned, we no longer need the parent
5071 * information, so we can convert the containers to THREADNODEs. Since
5072 * we don't need the id_table any more either, we can reset the hash table
5073 * and reuse it as a subject_table. Resetting the hash table will also
5074 * destroy the containers.
5077 /* prune dummies, convert to threadnode */
5078 root
= mail_thread_c2node (stream
,mail_thread_prune_dummy (prc
,NIL
),flags
);
5080 /* make buffer for sorting */
5081 tc
= (THREADNODE
**) fs_get (nmsgs
* sizeof (THREADNODE
*));
5082 /* load threadcache and count nodes to sort */
5083 for (i
= 0, cur
= root
; cur
; cur
= cur
->branch
) tc
[i
++] = cur
;
5084 if (i
> 1) { /* only if need to sort */
5085 qsort ((void *) tc
,i
,sizeof (THREADNODE
*),mail_thread_compare_date
);
5086 /* relink siblings */
5087 for (j
= 0, --i
; j
< i
; j
++) tc
[j
]->branch
= tc
[j
+1];
5088 tc
[j
]->branch
= NIL
; /* end of root */
5089 root
= tc
[0]; /* establish new root */
5092 hash_reset (ht
); /* discard containers, reset ht */
5094 for (cur
= root
; cur
; cur
= cur
->branch
)
5095 if ((t
= (nxt
= (cur
->sc
? cur
: cur
->next
))->sc
->subject
) && *t
) {
5096 /* add new subject to hash table */
5097 if (!(sub
= hash_lookup (ht
,t
))) hash_add (ht
,t
,cur
,0);
5098 /* if one in table not dummy and */
5099 else if ((s
= (lst
= (THREADNODE
*) sub
[0])->sc
) &&
5100 /* current dummy, or not re/fwd and table is */
5101 (!cur
->sc
|| (!nxt
->sc
->refwd
&& s
->refwd
)))
5102 sub
[0] = (void *) cur
; /* replace with this message */
5106 for (cur
= root
, sis
= NIL
; cur
; cur
= msg
) {
5107 /* do nothing if current message or no sub */
5108 if (!(t
= (cur
->sc
? cur
: cur
->next
)->sc
->subject
) || !*t
||
5109 ((lst
= (THREADNODE
*) (sub
= hash_lookup (ht
,t
))[0]) == cur
))
5110 msg
= (sis
= cur
)->branch
;
5111 else if (!lst
->sc
) { /* is message in the table a dummy? */
5112 /* find youngest daughter of msg in table */
5113 for (msg
= lst
->next
; msg
->branch
; msg
= msg
->branch
);
5114 if (!cur
->sc
) { /* current message a dummy? */
5115 msg
->branch
= cur
->next
;/* current's daughter now dummy's youngest */
5116 msg
= cur
->branch
; /* continue scan at younger sister */
5117 /* now delete this node */
5118 cur
->branch
= cur
->next
= NIL
;
5119 mail_free_threadnode (&cur
);
5121 else { /* current message not a dummy */
5122 msg
->branch
= cur
; /* append as youngest daughter */
5123 msg
= cur
->branch
; /* continue scan at younger sister */
5124 cur
->branch
= NIL
; /* lose our younger sisters */
5127 else { /* no dummies, is current re/fwd, table not? */
5128 if (cur
->sc
->refwd
&& !lst
->sc
->refwd
) {
5129 if (lst
->next
) { /* find youngest daughter of msg in table */
5130 for (msg
= lst
->next
; msg
->branch
; msg
= msg
->branch
);
5131 msg
->branch
= cur
; /* append as youngest daughter */
5133 else lst
->next
= cur
; /* no children, so make the eldest daughter */
5136 else { /* no re/fwd, create a new dummy */
5137 msg
= mail_newthreadnode (NIL
);
5138 if (lst
== root
) { /* msg in table is root? */
5139 root
= lst
->branch
; /* younger sister becomes new root */
5140 /* no longer older sister either */
5141 if (lst
== sis
) sis
= NIL
;
5143 else { /* find older sister of msg in table */
5144 for (nxt
= root
; lst
!= nxt
->branch
; nxt
= nxt
->branch
);
5145 /* remove from older sister */
5146 nxt
->branch
= lst
->branch
;
5148 msg
->next
= lst
; /* msg in table becomes child */
5149 lst
->branch
= cur
; /* current now little sister of msg in table */
5150 if (sis
) { /* have an elder sister? */
5151 if (sis
== lst
) /* rescan if lost her */
5152 for (sis
= root
; cur
!= sis
->branch
; sis
= sis
->branch
);
5153 sis
->branch
= msg
; /* make dummy younger sister of big sister */
5155 else root
= msg
; /* otherwise this is the new root */
5156 sub
[0] = sis
= msg
; /* set new msg in table and new big sister */
5158 msg
= cur
->branch
; /* continue scan at younger sister */
5159 cur
->branch
= NIL
; /* lose our younger sisters */
5161 if (sis
) sis
->branch
= msg
; /* older sister gets this as younger sister */
5162 else root
= msg
; /* otherwise this is the new root */
5164 hash_destroy (&ht
); /* finished with hash table */
5167 root
= mail_thread_sort (root
,tc
);
5168 fs_give ((void **) &tc
); /* finished with sort buffer */
5169 return root
; /* return sorted list */
5172 /* Fetch overview callback to load sortcache for threading
5173 * Accepts: MAIL stream
5174 * UID of this message
5175 * overview of this message
5176 * msgno of this message
5179 void mail_thread_loadcache (MAILSTREAM
*stream
,unsigned long uid
,OVERVIEW
*ov
,
5180 unsigned long msgno
)
5182 if (msgno
&& ov
) { /* just in case */
5183 MESSAGECACHE telt
, *elt
;
5185 SORTCACHE
*s
= (SORTCACHE
*) (*mailcache
) (stream
,msgno
,CH_SORTCACHE
);
5186 if (!s
->subject
&& ov
->subject
) {
5187 s
->refwd
= mail_strip_subject (ov
->subject
,&s
->subject
);
5190 if (!s
->from
&& ov
->from
&& ov
->from
->mailbox
) {
5191 s
->from
= cpystr (ov
->from
->mailbox
);
5194 if (!s
->date
&& ov
->date
&& mail_parse_date (&telt
,ov
->date
)) {
5195 s
->date
= mail_longdate (&telt
);
5198 if (!s
->message_id
&& ov
->message_id
) {
5199 s
->message_id
= mail_thread_parse_msgid (ov
->message_id
,NIL
);
5202 if (!s
->references
&&
5203 !(s
->references
= mail_thread_parse_references (ov
->references
,T
))
5204 && stream
->dtb
&& !strcmp(stream
->dtb
->name
, "imap")
5205 && (elt
= mail_elt (stream
, msgno
)) != NULL
5206 && (env
= elt
->private.msg
.env
) != NULL
5208 && !(s
->references
= mail_thread_parse_references(env
->in_reply_to
, NIL
))) {
5209 /* don't do In-Reply-To with NNTP mailboxes */
5210 s
->references
= mail_newstringlist ();
5213 if (!s
->size
&& ov
->optional
.octets
) {
5214 s
->size
= ov
->optional
.octets
;
5220 /* Thread parse Message ID
5221 * Accepts: pointer to purported Message ID
5222 * pointer to return pointer
5223 * Returns: Message ID or NIL, return pointer updated
5226 char *mail_thread_parse_msgid (char *s
,char **ss
)
5231 if (s
) { /* only for non-NIL strings */
5232 rfc822_skipws (&s
); /* skip whitespace */
5233 /* ignore phrases */
5234 if (((*s
== '<') || (s
= rfc822_parse_phrase (s
))) &&
5235 (adr
= rfc822_parse_routeaddr (s
,&t
,BADHOST
))) {
5236 /* make return msgid */
5237 if (adr
->mailbox
&& adr
->host
)
5238 sprintf (ret
= (char *) fs_get (strlen (adr
->mailbox
) +
5239 strlen (adr
->host
) + 2),"%s@%s",
5240 adr
->mailbox
,adr
->host
);
5241 mail_free_address (&adr
); /* don't need temporary address */
5244 if (ss
) *ss
= t
; /* update return pointer */
5249 /* Thread parse references
5250 * Accepts: pointer to purported references
5251 * parse multiple references flag
5252 * Returns: references or NIL
5255 STRINGLIST
*mail_thread_parse_references (char *s
,long flag
)
5258 STRINGLIST
*ret
= NIL
;
5260 /* found first reference? */
5261 if ((t
= mail_thread_parse_msgid (s
,&s
)) != NULL
) {
5262 (ret
= mail_newstringlist ())->text
.data
= (unsigned char *) t
;
5263 ret
->text
.size
= strlen (t
);
5264 if (flag
) /* parse subsequent references */
5265 for (cur
= ret
; (t
= mail_thread_parse_msgid (s
,&s
)) != NULL
; cur
= cur
->next
) {
5266 (cur
->next
= mail_newstringlist ())->text
.data
= (unsigned char *) t
;
5267 cur
->next
->text
.size
= strlen (t
);
5273 /* Prune dummy messages
5274 * Accepts: candidate container to prune
5275 * older sibling of container, if any
5276 * Returns: container in this position, possibly pruned
5277 * All children and younger siblings are also pruned
5280 container_t
mail_thread_prune_dummy (container_t msg
,container_t ane
)
5282 /* prune container and children */
5283 container_t ret
= msg
? mail_thread_prune_dummy_work (msg
,ane
) : NIL
;
5284 /* prune all younger sisters */
5285 if (ret
) for (ane
= ret
; ane
&& (msg
= SIBLING (ane
)); ane
= msg
)
5286 msg
= mail_thread_prune_dummy_work (msg
,ane
);
5291 /* Prune dummy messages worker routine
5292 * Accepts: candidate container to prune
5293 * older sibling of container, if any
5294 * Returns: container in this position, possibly pruned
5295 * All children are also pruned
5298 container_t
mail_thread_prune_dummy_work (container_t msg
,container_t ane
)
5301 /* get children, if any */
5302 container_t nxt
= mail_thread_prune_dummy (CHILD (msg
),NIL
);
5303 /* just update children if container has msg */
5304 if (CACHE (msg
)) SETCHILD (msg
,nxt
);
5305 else if (!nxt
) { /* delete dummy with no children */
5306 nxt
= SIBLING (msg
); /* get younger sister */
5307 if (ane
) SETSIBLING (ane
,nxt
);
5308 /* prune younger sister if exists */
5309 msg
= nxt
? mail_thread_prune_dummy_work (nxt
,ane
) : NIL
;
5311 /* not if parent root & multiple children */
5312 else if ((cur
= PARENT (msg
)) || !SIBLING (nxt
)) {
5313 /* OK to promote, try younger sister of aunt */
5314 if (ane
) SETSIBLING (ane
,nxt
);
5315 /* otherwise promote to child of grandmother */
5316 else if (cur
) SETCHILD (cur
,nxt
);
5317 SETPARENT (nxt
,cur
); /* set parent as well */
5318 /* look for end of siblings in new container */
5319 for (cur
= nxt
; SIBLING (cur
); cur
= SIBLING (cur
));
5320 /* reattach deleted container's siblings */
5321 SETSIBLING (cur
,SIBLING (msg
));
5322 /* prune and return new container */
5323 msg
= mail_thread_prune_dummy_work (nxt
,ane
);
5325 else SETCHILD (msg
,nxt
); /* in case child pruned */
5326 return msg
; /* return this message */
5329 /* Test that purported mother is not a child of purported daughter
5332 * Returns: T if circular parentage exists, else NIL
5335 long mail_thread_check_child (container_t mother
,container_t daughter
)
5337 if (mother
) { /* only if mother non-NIL */
5338 if (mother
== daughter
) return T
;
5339 for (daughter
= CHILD (daughter
); daughter
; daughter
= SIBLING (daughter
))
5340 if (mail_thread_check_child (mother
,daughter
)) return T
;
5346 /* Generate threadnodes from containers
5347 * Accepts: Mail stream
5350 * Return: threadnode list
5353 THREADNODE
*mail_thread_c2node (MAILSTREAM
*stream
,container_t con
,long flags
)
5355 THREADNODE
*ret
,*cur
;
5358 /* for each container */
5359 for (ret
= cur
= NIL
; con
; con
= SIBLING (con
)) {
5360 s
= CACHE (con
); /* yes, get its sortcache */
5361 /* create node for it */
5362 if (ret
) cur
= cur
->branch
= mail_newthreadnode (s
);
5363 else ret
= cur
= mail_newthreadnode (s
);
5364 /* attach sequence or UID for non-dummy */
5365 if (s
) cur
->num
= (flags
& SE_UID
) ? mail_uid (stream
,s
->num
) : s
->num
;
5366 /* attach the children */
5367 if ((nxt
= CHILD (con
)) != NULL
) cur
->next
= mail_thread_c2node (stream
,nxt
,flags
);
5372 /* Sort thread tree by date
5373 * Accepts: thread tree to sort
5374 * qsort vector to sort
5375 * Returns: sorted thread tree
5378 THREADNODE
*mail_thread_sort (THREADNODE
*thr
,THREADNODE
**tc
)
5382 /* sort children of each thread */
5383 for (cur
= thr
; cur
; cur
= cur
->branch
)
5384 if (cur
->next
) cur
->next
= mail_thread_sort (cur
->next
,tc
);
5385 /* Must do this in a separate pass since recursive call will clobber tc */
5386 /* load threadcache and count nodes to sort */
5387 for (i
= 0, cur
= thr
; cur
; cur
= cur
->branch
) tc
[i
++] = cur
;
5388 if (i
> 1) { /* only if need to sort */
5389 qsort ((void *) tc
,i
,sizeof (THREADNODE
*),mail_thread_compare_date
);
5390 /* relink root siblings */
5391 for (j
= 0, --i
; j
< i
; j
++) tc
[j
]->branch
= tc
[j
+1];
5392 tc
[j
]->branch
= NIL
; /* end of root */
5394 return i
? tc
[0] : NIL
; /* return new head of list */
5398 /* Thread compare date
5399 * Accept: first message sort cache element
5400 * second message sort cache element
5401 * Returns: -1 if a1 < a2, 1 if a1 > a2
5403 * This assumes that a sort cache element is either a message (with a
5404 * sortcache entry) or a dummy with a message (with sortcache entry) child.
5405 * This is true of both the ORDEREDSUBJECT (no dummies) and REFERENCES
5406 * (dummies only at top-level, and with non-dummy children).
5408 * If a new algorithm allows a dummy parent to have a dummy child, this
5409 * routine must be changed if it is to be used by that algorithm.
5411 * Messages with bogus dates are always sorted at the top.
5414 int mail_thread_compare_date (const void *a1
,const void *a2
)
5416 THREADNODE
*t1
= *(THREADNODE
**) a1
;
5417 THREADNODE
*t2
= *(THREADNODE
**) a2
;
5418 SORTCACHE
*s1
= t1
->sc
? t1
->sc
: t1
->next
->sc
;
5419 SORTCACHE
*s2
= t2
->sc
? t2
->sc
: t2
->next
->sc
;
5420 int ret
= compare_ulong (s1
->date
,s2
->date
);
5421 /* use number as final tie-breaker */
5422 return ret
? ret
: compare_ulong (s1
->num
,s2
->num
);
5425 /* Mail parse sequence
5426 * Accepts: mail stream
5428 * Returns: T if parse successful, else NIL
5431 long mail_sequence (MAILSTREAM
*stream
,unsigned char *sequence
)
5433 unsigned long i
,j
,x
;
5434 for (i
= 1; i
<= stream
->nmsgs
; i
++) mail_elt (stream
,i
)->sequence
= NIL
;
5435 while (sequence
&& *sequence
){/* while there is something to parse */
5436 if (*sequence
== '*') { /* maximum message */
5437 if (stream
->nmsgs
) i
= stream
->nmsgs
;
5439 MM_LOG ("No messages, so no maximum message number",ERROR
);
5442 sequence
++; /* skip past * */
5444 /* parse and validate message number */
5445 else if (!isdigit (*sequence
)) {
5446 MM_LOG ("Syntax error in sequence",ERROR
);
5449 else if (!(i
= strtoul (sequence
,(char **) &sequence
,10)) ||
5450 (i
> stream
->nmsgs
)) {
5451 MM_LOG ("Sequence out of range",ERROR
);
5454 switch (*sequence
) { /* see what the delimiter is */
5455 case ':': /* sequence range */
5456 if (*++sequence
== '*') { /* maximum message */
5457 if (stream
->nmsgs
) j
= stream
->nmsgs
;
5459 MM_LOG ("No messages, so no maximum message number",ERROR
);
5462 sequence
++; /* skip past * */
5464 /* parse end of range */
5465 else if (!(j
= strtoul (sequence
,(char **) &sequence
,10)) ||
5466 (j
> stream
->nmsgs
)) {
5467 MM_LOG ("Sequence range invalid",ERROR
);
5470 if (*sequence
&& *sequence
++ != ',') {
5471 MM_LOG ("Sequence range syntax error",ERROR
);
5474 if (i
> j
) { /* swap the range if backwards */
5475 x
= i
; i
= j
; j
= x
;
5477 /* mark each item in the sequence */
5478 while (i
<= j
) mail_elt (stream
,j
--)->sequence
= T
;
5480 case ',': /* single message */
5481 ++sequence
; /* skip the delimiter, fall into end case */
5482 case '\0': /* end of sequence, mark this message */
5483 mail_elt (stream
,i
)->sequence
= T
;
5485 default: /* anything else is a syntax error! */
5486 MM_LOG ("Sequence syntax error",ERROR
);
5490 return T
; /* successfully parsed sequence */
5494 * Accepts: MAIL stream
5495 * flag list as a character string
5496 * pointer to user flags to return
5497 * Returns: system flags
5500 long mail_parse_flags (MAILSTREAM
*stream
,char *flag
,unsigned long *uf
)
5502 char *t
,*n
,*s
,tmp
[MAILTMPLEN
],msg
[MAILTMPLEN
];
5505 *uf
= 0; /* initially no user flags */
5506 if (flag
&& *flag
) { /* no-op if no flag string */
5507 /* check if a list and make sure valid */
5508 if (((i
= (*flag
== '(')) ^ (flag
[strlen (flag
)-1] == ')')) ||
5509 (strlen (flag
) >= MAILTMPLEN
)) {
5510 MM_LOG ("Bad flag list",ERROR
);
5513 /* copy the flag string w/o list construct */
5514 strncpy (n
= tmp
,flag
+i
,(j
= strlen (flag
) - (2*i
)));
5516 while ((t
= n
) && *t
) { /* parse the flags */
5517 /* find end of flag */
5518 if ((n
= strchr (t
,' ')) != NULL
) *n
++ = '\0';
5519 if (*t
== '\\') { /* system flag? */
5520 if (!compare_cstring (t
+1,"SEEN")) f
|= fSEEN
;
5521 else if (!compare_cstring (t
+1,"DELETED")) f
|= fDELETED
;
5522 else if (!compare_cstring (t
+1,"FLAGGED")) f
|= fFLAGGED
;
5523 else if (!compare_cstring (t
+1,"ANSWERED")) f
|= fANSWERED
;
5524 else if (!compare_cstring (t
+1,"DRAFT")) f
|= fDRAFT
;
5526 sprintf (msg
,"Unsupported system flag: %.80s",t
);
5531 else { /* keyword flag */
5532 for (i
= j
= 0; /* user flag, search through table */
5533 !i
&& (j
< NUSERFLAGS
) && (s
= stream
->user_flags
[j
]); ++j
)
5534 if (!compare_cstring (t
,s
)) *uf
|= i
= 1 << j
;
5535 if (!i
) { /* flag not found, can it be created? */
5536 if (stream
->kwd_create
&& (j
< NUSERFLAGS
) && *t
&&
5537 (strlen (t
) <= MAXUSERFLAG
)) {
5538 for (s
= t
; t
&& *s
; s
++) switch (*s
) {
5539 default: /* all other characters */
5540 /* SPACE, CTL, or not CHAR */
5541 if ((*s
> ' ') && (*s
< 0x7f)) break;
5542 case '*': case '%': /* list_wildcards */
5543 case '"': case '\\':/* quoted-specials */
5545 case '(': case ')': case '{':
5546 case ']': /* resp-specials */
5547 sprintf (msg
,"Invalid flag: %.80s",t
);
5551 if (t
) { /* only if valid */
5552 *uf
|= 1 << j
; /* set the bit */
5553 stream
->user_flags
[j
] = cpystr (t
);
5554 /* if out of user flags */
5555 if (j
== NUSERFLAGS
- 1) stream
->kwd_create
= NIL
;
5559 if (*t
) sprintf (msg
,"Unknown flag: %.80s",t
);
5560 else strcpy (msg
,"Empty flag invalid");
5570 /* Mail check network stream for usability with new name
5571 * Accepts: MAIL stream
5572 * candidate new name
5573 * Returns: T if stream can be used, NIL otherwise
5576 long mail_usable_network_stream (MAILSTREAM
*stream
,char *name
)
5580 long ret
= (stream
&& stream
->dtb
&& !(stream
->dtb
->flags
& DR_LOCAL
) &&
5581 mail_valid_net_parse (name
,&nmb
) &&
5582 mail_valid_net_parse (stream
->mailbox
,&smb
) &&
5583 mail_valid_net_parse (stream
->original_mailbox
,&omb
) &&
5584 ((!compare_cstring (smb
.host
,trustdns
?
5585 (s
= tcp_canonical (nmb
.host
)) : nmb
.host
) &&
5586 !strcmp (smb
.service
,nmb
.service
) &&
5587 (!nmb
.port
|| (smb
.port
== nmb
.port
)) &&
5588 (nmb
.anoflag
== stream
->anonymous
) &&
5589 (!nmb
.user
[0] || !strcmp (smb
.user
,nmb
.user
))) ||
5590 (!compare_cstring (omb
.host
,nmb
.host
) &&
5591 !strcmp (omb
.service
,nmb
.service
) &&
5592 (!nmb
.port
|| (omb
.port
== nmb
.port
)) &&
5593 (nmb
.anoflag
== stream
->anonymous
) &&
5594 (!nmb
.user
[0] || !strcmp (omb
.user
,nmb
.user
))))) ? LONGT
: NIL
;
5595 if(s
) fs_give((void **) &s
);
5599 /* Mail data structure instantiation routines */
5602 /* Mail instantiate cache elt
5603 * Accepts: initial message number
5604 * Returns: new cache elt
5607 MESSAGECACHE
*mail_new_cache_elt (unsigned long msgno
)
5609 MESSAGECACHE
*elt
= (MESSAGECACHE
*) memset (fs_get (sizeof (MESSAGECACHE
)),
5610 0,sizeof (MESSAGECACHE
));
5611 elt
->lockcount
= 1; /* initially only cache references it */
5612 elt
->msgno
= msgno
; /* message number */
5617 /* Mail instantiate envelope
5618 * Returns: new envelope
5621 ENVELOPE
*mail_newenvelope (void)
5623 return (ENVELOPE
*) memset (fs_get (sizeof (ENVELOPE
)),0,sizeof (ENVELOPE
));
5627 /* Mail instantiate address
5628 * Returns: new address
5631 ADDRESS
*mail_newaddr (void)
5633 return (ADDRESS
*) memset (fs_get (sizeof (ADDRESS
)),0,sizeof (ADDRESS
));
5636 /* Mail instantiate body
5640 BODY
*mail_newbody (void)
5642 return mail_initbody ((BODY
*) fs_get (sizeof (BODY
)));
5646 /* Mail initialize body
5651 BODY
*mail_initbody (BODY
*body
)
5653 memset ((void *) body
,0,sizeof (BODY
));
5654 body
->type
= TYPETEXT
; /* content type */
5655 body
->encoding
= ENC7BIT
; /* content encoding */
5660 /* Mail instantiate body parameter
5661 * Returns: new body part
5664 PARAMETER
*mail_newbody_parameter (void)
5666 return (PARAMETER
*) memset (fs_get (sizeof(PARAMETER
)),0,sizeof(PARAMETER
));
5670 /* Mail instantiate body part
5671 * Returns: new body part
5674 PART
*mail_newbody_part (void)
5676 PART
*part
= (PART
*) memset (fs_get (sizeof (PART
)),0,sizeof (PART
));
5677 mail_initbody (&part
->body
); /* initialize the body */
5682 /* Mail instantiate body message part
5683 * Returns: new body message part
5686 MESSAGE
*mail_newmsg (void)
5688 return (MESSAGE
*) memset (fs_get (sizeof (MESSAGE
)),0,sizeof (MESSAGE
));
5691 /* Mail instantiate string list
5692 * Returns: new string list
5695 STRINGLIST
*mail_newstringlist (void)
5697 return (STRINGLIST
*) memset (fs_get (sizeof (STRINGLIST
)),0,
5698 sizeof (STRINGLIST
));
5702 /* Mail instantiate new search program
5703 * Returns: new search program
5706 SEARCHPGM
*mail_newsearchpgm (void)
5708 return (SEARCHPGM
*) memset (fs_get (sizeof(SEARCHPGM
)),0,sizeof(SEARCHPGM
));
5712 /* Mail instantiate new search program
5713 * Accepts: header line name
5714 * Returns: new search program
5717 SEARCHHEADER
*mail_newsearchheader (char *line
,char *text
)
5719 SEARCHHEADER
*hdr
= (SEARCHHEADER
*) memset (fs_get (sizeof (SEARCHHEADER
)),
5720 0,sizeof (SEARCHHEADER
));
5721 hdr
->line
.size
= strlen ((char *) (hdr
->line
.data
=
5722 (unsigned char *) cpystr (line
)));
5723 hdr
->text
.size
= strlen ((char *) (hdr
->text
.data
=
5724 (unsigned char *) cpystr (text
)));
5729 /* Mail instantiate new search set
5730 * Returns: new search set
5733 SEARCHSET
*mail_newsearchset (void)
5735 return (SEARCHSET
*) memset (fs_get (sizeof(SEARCHSET
)),0,sizeof(SEARCHSET
));
5739 /* Mail instantiate new search or
5740 * Returns: new search or
5743 SEARCHOR
*mail_newsearchor (void)
5745 SEARCHOR
*or = (SEARCHOR
*) memset (fs_get (sizeof (SEARCHOR
)),0,
5747 or->first
= mail_newsearchpgm ();
5748 or->second
= mail_newsearchpgm ();
5752 /* Mail instantiate new searchpgmlist
5753 * Returns: new searchpgmlist
5756 SEARCHPGMLIST
*mail_newsearchpgmlist (void)
5758 SEARCHPGMLIST
*pgl
= (SEARCHPGMLIST
*)
5759 memset (fs_get (sizeof (SEARCHPGMLIST
)),0,sizeof (SEARCHPGMLIST
));
5760 pgl
->pgm
= mail_newsearchpgm ();
5765 /* Mail instantiate new sortpgm
5766 * Returns: new sortpgm
5769 SORTPGM
*mail_newsortpgm (void)
5771 return (SORTPGM
*) memset (fs_get (sizeof (SORTPGM
)),0,sizeof (SORTPGM
));
5775 /* Mail instantiate new threadnode
5776 * Accepts: sort cache for thread node
5777 * Returns: new threadnode
5780 THREADNODE
*mail_newthreadnode (SORTCACHE
*sc
)
5782 THREADNODE
*thr
= (THREADNODE
*) memset (fs_get (sizeof (THREADNODE
)),0,
5783 sizeof (THREADNODE
));
5784 if (sc
) thr
->sc
= sc
; /* initialize sortcache */
5789 /* Mail instantiate new acllist
5790 * Returns: new acllist
5793 ACLLIST
*mail_newacllist (void)
5795 return (ACLLIST
*) memset (fs_get (sizeof (ACLLIST
)),0,sizeof (ACLLIST
));
5799 /* Mail instantiate new quotalist
5800 * Returns: new quotalist
5803 QUOTALIST
*mail_newquotalist (void)
5805 return (QUOTALIST
*) memset (fs_get (sizeof (QUOTALIST
)),0,
5806 sizeof (QUOTALIST
));
5809 /* Mail garbage collection routines */
5812 /* Mail garbage collect body
5813 * Accepts: pointer to body pointer
5816 void mail_free_body (BODY
**body
)
5818 if (*body
) { /* only free if exists */
5819 mail_free_body_data (*body
);/* free its data */
5820 fs_give ((void **) body
); /* return body to free storage */
5825 /* Mail garbage collect body data
5826 * Accepts: body pointer
5829 void mail_free_body_data (BODY
*body
)
5831 switch (body
->type
) { /* free contents */
5832 case TYPEMULTIPART
: /* multiple part */
5833 mail_free_body_part (&body
->nested
.part
);
5835 case TYPEMESSAGE
: /* encapsulated message */
5836 if (body
->subtype
&& !strcmp (body
->subtype
,"RFC822")) {
5837 mail_free_stringlist (&body
->nested
.msg
->lines
);
5838 mail_gc_msg (body
->nested
.msg
,GC_ENV
| GC_TEXTS
);
5840 if (body
->nested
.msg
) fs_give ((void **) &body
->nested
.msg
);
5845 if (body
->subtype
) fs_give ((void **) &body
->subtype
);
5846 mail_free_body_parameter (&body
->parameter
);
5847 if (body
->id
) fs_give ((void **) &body
->id
);
5848 if (body
->description
) fs_give ((void **) &body
->description
);
5849 if (body
->disposition
.type
) fs_give ((void **) &body
->disposition
.type
);
5850 if (body
->disposition
.parameter
)
5851 mail_free_body_parameter (&body
->disposition
.parameter
);
5852 if (body
->language
) mail_free_stringlist (&body
->language
);
5853 if (body
->location
) fs_give ((void **) &body
->location
);
5854 if (body
->mime
.text
.data
) fs_give ((void **) &body
->mime
.text
.data
);
5855 if (body
->contents
.text
.data
) fs_give ((void **) &body
->contents
.text
.data
);
5856 if (body
->md5
) fs_give ((void **) &body
->md5
);
5857 if (mailfreebodysparep
&& body
->sparep
)
5858 (*mailfreebodysparep
) (&body
->sparep
);
5861 /* Mail garbage collect body parameter
5862 * Accepts: pointer to body parameter pointer
5865 void mail_free_body_parameter (PARAMETER
**parameter
)
5867 if (*parameter
) { /* only free if exists */
5868 if ((*parameter
)->attribute
) fs_give ((void **) &(*parameter
)->attribute
);
5869 if ((*parameter
)->value
) fs_give ((void **) &(*parameter
)->value
);
5870 /* run down the list as necessary */
5871 mail_free_body_parameter (&(*parameter
)->next
);
5872 /* return body part to free storage */
5873 fs_give ((void **) parameter
);
5878 /* Mail garbage collect body part
5879 * Accepts: pointer to body part pointer
5882 void mail_free_body_part (PART
**part
)
5884 if (*part
) { /* only free if exists */
5885 mail_free_body_data (&(*part
)->body
);
5886 /* run down the list as necessary */
5887 mail_free_body_part (&(*part
)->next
);
5888 fs_give ((void **) part
); /* return body part to free storage */
5892 /* Mail garbage collect message cache
5893 * Accepts: mail stream
5895 * The message cache is set to NIL when this function finishes.
5898 void mail_free_cache (MAILSTREAM
*stream
)
5900 /* do driver specific stuff first */
5901 mail_gc (stream
,GC_ELT
| GC_ENV
| GC_TEXTS
);
5902 /* flush the cache */
5903 (*mailcache
) (stream
,(long) 0,CH_INIT
);
5907 /* Mail garbage collect cache element
5908 * Accepts: pointer to cache element pointer
5911 void mail_free_elt (MESSAGECACHE
**elt
)
5913 /* only free if exists and no sharers */
5914 if (*elt
&& !--(*elt
)->lockcount
) {
5915 mail_gc_msg (&(*elt
)->private.msg
,GC_ENV
| GC_TEXTS
);
5916 if (mailfreeeltsparep
&& (*elt
)->sparep
)
5917 (*mailfreeeltsparep
) (&(*elt
)->sparep
);
5918 fs_give ((void **) elt
);
5920 else *elt
= NIL
; /* else simply drop pointer */
5923 /* Mail garbage collect envelope
5924 * Accepts: pointer to envelope pointer
5927 void mail_free_envelope (ENVELOPE
**env
)
5929 if (*env
) { /* only free if exists */
5930 if ((*env
)->remail
) fs_give ((void **) &(*env
)->remail
);
5931 mail_free_address (&(*env
)->return_path
);
5932 if ((*env
)->date
) fs_give ((void **) &(*env
)->date
);
5933 mail_free_address (&(*env
)->from
);
5934 mail_free_address (&(*env
)->sender
);
5935 mail_free_address (&(*env
)->reply_to
);
5936 if ((*env
)->subject
) fs_give ((void **) &(*env
)->subject
);
5937 mail_free_address (&(*env
)->to
);
5938 mail_free_address (&(*env
)->cc
);
5939 mail_free_address (&(*env
)->bcc
);
5940 if ((*env
)->in_reply_to
) fs_give ((void **) &(*env
)->in_reply_to
);
5941 if ((*env
)->message_id
) fs_give ((void **) &(*env
)->message_id
);
5942 if ((*env
)->newsgroups
) fs_give ((void **) &(*env
)->newsgroups
);
5943 if ((*env
)->followup_to
) fs_give ((void **) &(*env
)->followup_to
);
5944 if ((*env
)->references
) fs_give ((void **) &(*env
)->references
);
5945 if (mailfreeenvelopesparep
&& (*env
)->sparep
)
5946 (*mailfreeenvelopesparep
) (&(*env
)->sparep
);
5947 fs_give ((void **) env
); /* return envelope to free storage */
5952 /* Mail garbage collect address
5953 * Accepts: pointer to address pointer
5956 void mail_free_address (ADDRESS
**address
)
5958 if (*address
) { /* only free if exists */
5959 if ((*address
)->personal
) fs_give ((void **) &(*address
)->personal
);
5960 if ((*address
)->adl
) fs_give ((void **) &(*address
)->adl
);
5961 if ((*address
)->mailbox
) fs_give ((void **) &(*address
)->mailbox
);
5962 if ((*address
)->host
) fs_give ((void **) &(*address
)->host
);
5963 if ((*address
)->error
) fs_give ((void **) &(*address
)->error
);
5964 if ((*address
)->orcpt
.type
) fs_give ((void **) &(*address
)->orcpt
.type
);
5965 if ((*address
)->orcpt
.addr
) fs_give ((void **) &(*address
)->orcpt
.addr
);
5966 mail_free_address (&(*address
)->next
);
5967 fs_give ((void **) address
);/* return address to free storage */
5972 /* Mail garbage collect stringlist
5973 * Accepts: pointer to stringlist pointer
5976 void mail_free_stringlist (STRINGLIST
**string
)
5978 if (*string
) { /* only free if exists */
5979 if ((*string
)->text
.data
) fs_give ((void **) &(*string
)->text
.data
);
5980 mail_free_stringlist (&(*string
)->next
);
5981 fs_give ((void **) string
); /* return string to free storage */
5985 /* Mail garbage collect searchpgm
5986 * Accepts: pointer to searchpgm pointer
5989 void mail_free_searchpgm (SEARCHPGM
**pgm
)
5991 if (*pgm
) { /* only free if exists */
5992 mail_free_searchset (&(*pgm
)->msgno
);
5993 mail_free_searchset (&(*pgm
)->uid
);
5994 mail_free_searchor (&(*pgm
)->or);
5995 mail_free_searchpgmlist (&(*pgm
)->not);
5996 mail_free_searchheader (&(*pgm
)->header
);
5997 mail_free_stringlist (&(*pgm
)->bcc
);
5998 mail_free_stringlist (&(*pgm
)->body
);
5999 mail_free_stringlist (&(*pgm
)->cc
);
6000 mail_free_stringlist (&(*pgm
)->from
);
6001 mail_free_stringlist (&(*pgm
)->keyword
);
6002 mail_free_stringlist (&(*pgm
)->subject
);
6003 mail_free_stringlist (&(*pgm
)->text
);
6004 mail_free_stringlist (&(*pgm
)->to
);
6005 mail_free_stringlist (&(*pgm
)->x_gm_ext1
);
6006 fs_give ((void **) pgm
); /* return program to free storage */
6011 /* Mail garbage collect searchheader
6012 * Accepts: pointer to searchheader pointer
6015 void mail_free_searchheader (SEARCHHEADER
**hdr
)
6017 if (*hdr
) { /* only free if exists */
6018 if ((*hdr
)->line
.data
) fs_give ((void **) &(*hdr
)->line
.data
);
6019 if ((*hdr
)->text
.data
) fs_give ((void **) &(*hdr
)->text
.data
);
6020 mail_free_searchheader (&(*hdr
)->next
);
6021 fs_give ((void **) hdr
); /* return header to free storage */
6026 /* Mail garbage collect searchset
6027 * Accepts: pointer to searchset pointer
6030 void mail_free_searchset (SEARCHSET
**set
)
6032 if (*set
) { /* only free if exists */
6033 mail_free_searchset (&(*set
)->next
);
6034 fs_give ((void **) set
); /* return set to free storage */
6038 /* Mail garbage collect searchor
6039 * Accepts: pointer to searchor pointer
6042 void mail_free_searchor (SEARCHOR
**orl
)
6044 if (*orl
) { /* only free if exists */
6045 mail_free_searchpgm (&(*orl
)->first
);
6046 mail_free_searchpgm (&(*orl
)->second
);
6047 mail_free_searchor (&(*orl
)->next
);
6048 fs_give ((void **) orl
); /* return searchor to free storage */
6053 /* Mail garbage collect search program list
6054 * Accepts: pointer to searchpgmlist pointer
6057 void mail_free_searchpgmlist (SEARCHPGMLIST
**pgl
)
6059 if (*pgl
) { /* only free if exists */
6060 mail_free_searchpgm (&(*pgl
)->pgm
);
6061 mail_free_searchpgmlist (&(*pgl
)->next
);
6062 fs_give ((void **) pgl
); /* return searchpgmlist to free storage */
6067 /* Mail garbage collect namespace
6068 * Accepts: poiner to namespace
6071 void mail_free_namespace (NAMESPACE
**n
)
6074 fs_give ((void **) &(*n
)->name
);
6075 mail_free_namespace (&(*n
)->next
);
6076 mail_free_body_parameter (&(*n
)->param
);
6077 fs_give ((void **) n
); /* return namespace to free storage */
6081 /* Mail garbage collect sort program
6082 * Accepts: pointer to sortpgm pointer
6085 void mail_free_sortpgm (SORTPGM
**pgm
)
6087 if (*pgm
) { /* only free if exists */
6088 mail_free_sortpgm (&(*pgm
)->next
);
6089 fs_give ((void **) pgm
); /* return sortpgm to free storage */
6094 /* Mail garbage collect thread node
6095 * Accepts: pointer to threadnode pointer
6098 void mail_free_threadnode (THREADNODE
**thr
)
6100 if (*thr
) { /* only free if exists */
6101 mail_free_threadnode (&(*thr
)->branch
);
6102 mail_free_threadnode (&(*thr
)->next
);
6103 fs_give ((void **) thr
); /* return threadnode to free storage */
6108 /* Mail garbage collect acllist
6109 * Accepts: pointer to acllist pointer
6112 void mail_free_acllist (ACLLIST
**al
)
6114 if (*al
) { /* only free if exists */
6115 if ((*al
)->identifier
) fs_give ((void **) &(*al
)->identifier
);
6116 if ((*al
)->rights
) fs_give ((void **) &(*al
)->rights
);
6117 mail_free_acllist (&(*al
)->next
);
6118 fs_give ((void **) al
); /* return acllist to free storage */
6123 /* Mail garbage collect quotalist
6124 * Accepts: pointer to quotalist pointer
6127 void mail_free_quotalist (QUOTALIST
**ql
)
6129 if (*ql
) { /* only free if exists */
6130 if ((*ql
)->name
) fs_give ((void **) &(*ql
)->name
);
6131 mail_free_quotalist (&(*ql
)->next
);
6132 fs_give ((void **) ql
); /* return quotalist to free storage */
6136 /* Link authenicator
6137 * Accepts: authenticator to add to list
6140 void auth_link (AUTHENTICATOR
*auth
)
6142 if (!auth
->valid
|| (*auth
->valid
) ()) {
6143 AUTHENTICATOR
**a
= &mailauthenticators
;
6144 while (*a
) a
= &(*a
)->next
; /* find end of list of authenticators */
6145 *a
= auth
; /* put authenticator at the end */
6146 auth
->next
= NIL
; /* this authenticator is the end of the list */
6151 /* Authenticate access
6152 * Accepts: mechanism name
6153 * responder function
6156 * Returns: authenticated user name or NIL
6159 char *mail_auth (char *mechanism
,authresponse_t resp
,int argc
,char *argv
[])
6161 AUTHENTICATOR
*auth
;
6162 for (auth
= mailauthenticators
; auth
; auth
= auth
->next
)
6163 if (auth
->server
&& !compare_cstring (auth
->name
,mechanism
))
6164 return (!(auth
->flags
& AU_DISABLE
) &&
6165 ((auth
->flags
& AU_SECURE
) ||
6166 !mail_parameters (NIL
,GET_DISABLEPLAINTEXT
,NIL
))) ?
6167 (*auth
->server
) (resp
,argc
,argv
) : NIL
;
6168 return NIL
; /* no authenticator found */
6171 /* Lookup authenticator index
6172 * Accepts: authenticator index
6173 * Returns: authenticator, or 0 if not found
6176 AUTHENTICATOR
*mail_lookup_auth (unsigned long i
)
6178 AUTHENTICATOR
*auth
= mailauthenticators
;
6179 while (auth
&& --i
) auth
= auth
->next
;
6184 /* Lookup authenticator name
6185 * Accepts: authenticator name
6186 * required authenticator flags
6187 * Returns: index in authenticator chain, or 0 if not found
6190 unsigned int mail_lookup_auth_name (char *mechanism
,long flags
)
6193 AUTHENTICATOR
*auth
;
6194 for (i
= 1, auth
= mailauthenticators
; auth
; i
++, auth
= auth
->next
)
6195 if (auth
->client
&& !(flags
& ~auth
->flags
) &&
6196 !(auth
->flags
& AU_DISABLE
) && !compare_cstring (auth
->name
,mechanism
))
6201 /* Standard TCP/IP network driver */
6203 static NETDRIVER tcpdriver
= {
6204 tcp_open
, /* open connection */
6205 tcp_aopen
, /* open preauthenticated connection */
6206 tcp_getline
, /* get a line */
6207 tcp_getbuffer
, /* get a buffer */
6208 tcp_soutr
, /* output pushed data */
6209 tcp_sout
, /* output string */
6210 tcp_close
, /* close connection */
6211 tcp_host
, /* return host name */
6212 tcp_remotehost
, /* return remote host name */
6213 tcp_port
, /* return port number */
6214 tcp_localhost
/* return local host name */
6219 * Accepts: NETMBX specifier to open
6220 * default network driver
6225 * Returns: Network stream if success, else NIL
6228 NETSTREAM
*net_open (NETMBX
*mb
,NETDRIVER
*dv
,unsigned long port
,
6229 NETDRIVER
*ssld
,char *ssls
,unsigned long sslp
)
6231 NETSTREAM
*stream
= NIL
;
6232 char tmp
[MAILTMPLEN
];
6233 unsigned long flags
= mb
->novalidate
? NET_NOVALIDATECERT
: 0;
6234 flags
|= mb
->tls1
|| mb
->tlsflag
? NET_TRYTLS1
: 0;
6235 flags
|= mb
->tls1_1
? NET_TRYTLS1_1
: 0;
6236 flags
|= mb
->tls1_2
? NET_TRYTLS1_2
: 0;
6237 flags
|= mb
->tls1_3
? NET_TRYTLS1_3
: 0;
6238 if (strlen (mb
->host
) >= NETMAXHOST
) {
6239 sprintf (tmp
,"Invalid host name: %.80s",mb
->host
);
6242 /* use designated driver if given */
6243 else if (dv
) stream
= net_open_work (dv
,mb
->host
,mb
->service
,port
,mb
->port
,
6245 else if (mb
->sslflag
&& ssld
) /* use ssl if sslflag lit */
6246 stream
= net_open_work (ssld
,mb
->host
,ssls
,sslp
,mb
->port
,flags
);
6247 /* if trysslfirst and can open ssl... */
6248 else if ((mb
->trysslflag
|| trysslfirst
) && ssld
&&
6249 (stream
= net_open_work (ssld
,mb
->host
,ssls
,sslp
,mb
->port
,
6250 flags
| NET_SILENT
| NET_TRYSSL
))) {
6251 if (net_sout (stream
,"",0)) mb
->sslflag
= T
;
6253 net_close (stream
); /* flush fake SSL stream */
6257 /* default to TCP driver */
6258 else stream
= net_open_work (&tcpdriver
,mb
->host
,mb
->service
,port
,mb
->port
,
6263 /* Network open worker routine
6264 * Accepts: network driver
6266 * service name to look up port
6267 * port number if service name not found
6268 * port number to override service name
6269 * flags (passed on top of port)
6270 * Returns: Network stream if success, else NIL
6273 NETSTREAM
*net_open_work (NETDRIVER
*dv
,char *host
,char *service
,
6274 unsigned long port
,unsigned long portoverride
,
6275 unsigned long flags
)
6277 NETSTREAM
*stream
= NIL
;
6279 if (service
&& (*service
== '*')) {
6280 flags
|= NET_NOOPENTIMEOUT
; /* mark that no timeout is desired */
6281 ++service
; /* no longer need the no timeout indicator */
6283 if (portoverride
) { /* explicit port number? */
6284 service
= NIL
; /* yes, override service name */
6285 port
= portoverride
; /* use that instead of default port */
6287 if ((tstream
= (*dv
->open
) (host
,service
,port
| flags
)) != NULL
){
6288 stream
= (NETSTREAM
*) fs_get (sizeof (NETSTREAM
));
6289 stream
->stream
= tstream
;
6296 /* Network authenticated open
6297 * Accepts: network driver
6300 * return user name buffer
6301 * Returns: Network stream if success else NIL
6304 NETSTREAM
*net_aopen (NETDRIVER
*dv
,NETMBX
*mb
,char *service
,char *user
)
6306 NETSTREAM
*stream
= NIL
;
6308 if (!dv
) dv
= &tcpdriver
; /* default to TCP driver */
6309 if ((tstream
= (*dv
->aopen
) (mb
,service
,user
)) != NULL
) {
6310 stream
= (NETSTREAM
*) fs_get (sizeof (NETSTREAM
));
6311 stream
->stream
= tstream
;
6317 /* Network receive line
6318 * Accepts: Network stream
6319 * Returns: text line string or NIL if failure
6322 char *net_getline (NETSTREAM
*stream
)
6324 return (*stream
->dtb
->getline
) (stream
->stream
);
6328 /* Network receive buffer
6329 * Accepts: Network stream (must be void * for use as readfn_t)
6331 * buffer to read into
6332 * Returns: T if success, NIL otherwise
6335 long net_getbuffer (void *st
,unsigned long size
,char *buffer
)
6337 NETSTREAM
*stream
= (NETSTREAM
*) st
;
6338 return (*stream
->dtb
->getbuffer
) (stream
->stream
,size
,buffer
);
6342 /* Network send null-terminated string
6343 * Accepts: Network stream
6345 * Returns: T if success else NIL
6348 long net_soutr (NETSTREAM
*stream
,char *string
)
6350 return (*stream
->dtb
->soutr
) (stream
->stream
,string
);
6354 /* Network send string
6355 * Accepts: Network stream
6358 * Returns: T if success else NIL
6361 long net_sout (NETSTREAM
*stream
,char *string
,unsigned long size
)
6363 return (*stream
->dtb
->sout
) (stream
->stream
,string
,size
);
6367 * Accepts: Network stream
6370 void net_close (NETSTREAM
*stream
)
6372 if (stream
->stream
) (*stream
->dtb
->close
) (stream
->stream
);
6373 fs_give ((void **) &stream
);
6377 /* Network get host name
6378 * Accepts: Network stream
6379 * Returns: host name for this stream
6382 char *net_host (NETSTREAM
*stream
)
6384 return (*stream
->dtb
->host
) (stream
->stream
);
6388 /* Network get remote host name
6389 * Accepts: Network stream
6390 * Returns: host name for this stream
6393 char *net_remotehost (NETSTREAM
*stream
)
6395 return (*stream
->dtb
->remotehost
) (stream
->stream
);
6398 /* Network return port for this stream
6399 * Accepts: Network stream
6400 * Returns: port number for this stream
6403 unsigned long net_port (NETSTREAM
*stream
)
6405 return (*stream
->dtb
->port
) (stream
->stream
);
6409 /* Network get local host name
6410 * Accepts: Network stream
6411 * Returns: local host name
6414 char *net_localhost (NETSTREAM
*stream
)
6416 return (*stream
->dtb
->localhost
) (stream
->stream
);
6419 void free_c_client_module_globals(void)