1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Routines for processing and detecting headlines.
3 *@ TODO Mostly a hackery, we need RFC compliant parsers instead.
5 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
6 * Copyright (c) 2012 - 2018 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
9 * Copyright (c) 1980, 1993
10 * The Regents of the University of California. All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 #ifndef HAVE_AMALGAMATION
44 size_t tlen
; /* Length of .tdata */
45 char const *tdata
; /* Template date - see _cmatch_data[] */
48 /* Template characters for cmatch_data.tdata:
49 * 'A' An upper case char
50 * 'a' A lower case char
53 * 'O' An optional digit or space
55 * '+' Either a plus or a minus sign */
56 static struct cmatch_data
const _cmatch_data
[] = {
57 { 24, "Aaa Aaa O0 00:00:00 0000" }, /* BSD/ISO C90 ctime */
58 { 28, "Aaa Aaa O0 00:00:00 AAA 0000" }, /* BSD tmz */
59 { 21, "Aaa Aaa O0 00:00 0000" }, /* SysV ctime */
60 { 25, "Aaa Aaa O0 00:00 AAA 0000" }, /* SysV tmz */
61 /* RFC 822-alike From_ lines do not conform to RFC 4155, but seem to be used
62 * in the wild (by UW-imap) */
63 { 30, "Aaa Aaa O0 00:00:00 0000 +0000" },
64 /* RFC 822 with zone spec; 1. military, 2. UT, 3. north america time
65 * zone strings; note that 1. is strictly speaking not correct as some
66 * letters are not used, and 2. is not because only "UT" is defined */
67 #define __reuse "Aaa Aaa O0 00:00:00 0000 AAA"
68 { 28 - 2, __reuse
}, { 28 - 1, __reuse
}, { 28 - 0, __reuse
},
71 #define a_HEAD_DATE_MINLEN 21
73 /* Skip over "word" as found in From_ line */
74 static char const * _from__skipword(char const *wp
);
76 /* Match the date string against the date template (tp), return if match.
77 * See _cmatch_data[] for template character description */
78 static int _cmatch(size_t len
, char const *date
,
81 /* Check whether date is a valid 'From_' date.
82 * (Rather ctime(3) generated dates, according to RFC 4155) */
83 static int _is_date(char const *date
);
85 /* JulianDayNumber converter(s) */
86 static size_t a_head_gregorian_to_jdn(ui32_t y
, ui32_t m
, ui32_t d
);
88 static void a_head_jdn_to_gregorian(size_t jdn
,
89 ui32_t
*yp
, ui32_t
*mp
, ui32_t
*dp
);
92 /* Convert the domain part of a skinned address to IDNA.
93 * If an error occurs before Unicode information is available, revert the IDNA
94 * error to a normal CHAR one so that the error message doesn't talk Unicode */
96 static struct n_addrguts
*a_head_idna_apply(struct n_addrguts
*agp
);
99 /* Classify and check a (possibly skinned) header body according to RFC
100 * *addr-spec* rules; if it (is assumed to has been) skinned it may however be
101 * also a file or a pipe command, so check that first, then.
102 * Otherwise perform content checking and isolate the domain part (for IDNA) */
103 static bool_t
a_head_addrspec_check(struct n_addrguts
*agp
, bool_t skinned
);
105 /* Return the next header field found in the given message.
106 * Return >= 0 if something found, < 0 elsewise.
107 * "colon" is set to point to the colon in the header.
108 * Must deal with \ continuations & other such fraud */
109 static long a_gethfield(FILE *f
, char **linebuf
, size_t *linesize
, long rem
,
112 static int msgidnextc(char const **cp
, int *status
);
114 /* Count the occurances of c in str */
115 static int charcount(char *str
, int c
);
117 static char const * nexttoken(char const *cp
);
120 _from__skipword(char const *wp
)
126 while ((c
= *wp
++) != '\0' && !blankchar(c
)) {
128 while ((c
= *wp
++) != '\0' && c
!= '"')
134 for (; blankchar(c
); c
= *wp
++)
138 return (c
== 0 ? NULL
: wp
- 1);
142 _cmatch(size_t len
, char const *date
, char const *tp
)
167 if (c
!= ' ' && !digitchar(c
))
175 if (c
!= '+' && c
!= '-')
187 _is_date(char const *date
)
189 struct cmatch_data
const *cmdp
;
194 if ((dl
= strlen(date
)) >= a_HEAD_DATE_MINLEN
)
195 for (cmdp
= _cmatch_data
; cmdp
->tdata
!= NULL
; ++cmdp
)
196 if (dl
== cmdp
->tlen
&& (rv
= _cmatch(dl
, date
, cmdp
->tdata
)))
203 a_head_gregorian_to_jdn(ui32_t y
, ui32_t m
, ui32_t d
){
204 /* Algorithm is taken from Communications of the ACM, Vol 6, No 8.
205 * (via third hand, plus adjustments).
206 * This algorithm is supposed to work for all dates in between 1582-10-15
207 * (0001-01-01 but that not Gregorian) and 65535-12-31 */
246 a_head_jdn_to_gregorian(size_t jdn
, ui32_t
*yp
, ui32_t
*mp
, ui32_t
*dp
){
247 /* Algorithm is taken from Communications of the ACM, Vol 6, No 8.
248 * (via third hand, plus adjustments) */
267 x
= jdn
/ 153; /* x -> month */
270 jdn
/= 5; /* jdn -> day */
278 *yp
= (ui32_t
)(y
& 0xFFFF);
279 *mp
= (ui32_t
)(x
& 0xFF);
280 *dp
= (ui32_t
)(jdn
& 0xFF);
286 static struct n_addrguts
*
287 a_head_idna_apply(struct n_addrguts
*agp
){
288 struct n_string idna_ascii
;
291 n_string_creat_auto(&idna_ascii
);
293 if(!n_idna_to_ascii(&idna_ascii
, &agp
->ag_skinned
[agp
->ag_sdom_start
],
294 agp
->ag_slen
- agp
->ag_sdom_start
))
295 agp
->ag_n_flags
^= NAME_ADDRSPEC_ERR_IDNA
| NAME_ADDRSPEC_ERR_CHAR
;
297 /* Replace the domain part of .ag_skinned with IDNA version */
298 n_string_unshift_buf(&idna_ascii
, agp
->ag_skinned
, agp
->ag_sdom_start
);
300 agp
->ag_skinned
= n_string_cp(&idna_ascii
);
301 agp
->ag_slen
= idna_ascii
.s_len
;
302 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
,
303 NAME_NAME_SALLOC
| NAME_SKINNED
| NAME_IDNA
, 0);
308 #endif /* HAVE_IDNA */
311 a_head_addrspec_check(struct n_addrguts
*agp
, bool_t skinned
)
315 ui8_t in_domain
, hadat
;
316 union {bool_t b
; char c
; unsigned char u
; ui32_t ui32
; si32_t si32
;} c
;
323 use_idna
= ok_blook(idna_disable
) ? 0 : 1;
325 agp
->ag_n_flags
|= NAME_ADDRSPEC_CHECKED
;
327 if (agp
->ag_iaddr_aend
- agp
->ag_iaddr_start
== 0) {
328 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_EMPTY
, 0);
332 addr
= agp
->ag_skinned
;
334 /* If the field is not a recipient, it cannot be a file or a pipe */
338 /* When changing any of the following adjust any RECIPIENTADDRSPEC;
339 * grep the latter for the complete picture */
341 agp
->ag_n_flags
|= NAME_ADDRSPEC_ISPIPE
;
344 if (addr
[0] == '/' || (addr
[0] == '.' && addr
[1] == '/') ||
345 (addr
[0] == '-' && addr
[1] == '\0'))
347 if (memchr(addr
, '@', agp
->ag_slen
) == NULL
) {
350 for (p
= addr
; (c
.c
= *p
); ++p
) {
351 if (c
.c
== '!' || c
.c
== '%')
355 agp
->ag_n_flags
|= NAME_ADDRSPEC_ISFILE
;
362 /* TODO This is false. If super correct this should work on wide
363 * TODO characters, just in case (some bytes of) the ASCII set is (are)
364 * TODO shared; it may yet tear apart multibyte sequences, possibly.
365 * TODO All this should interact with mime_enc_mustquote(), too!
366 * TODO That is: once this is an object, we need to do this in a way
367 * TODO that it is valid for the wire format (instead)! */
368 /* TODO addrspec_check: we need a real RFC 5322 (un)?structured parser!
369 * TODO Note this correlats with addrspec_with_guts() which is in front
370 * TODO of us and encapsulates (what it thinks is, sigh) the address
371 * TODO boundary. ALL THIS should be one object that knows how to deal */
373 in_domain
= hadat
= 0;
375 for (p
= addr
; (c
.c
= *p
++) != '\0';) {
377 in_quote
= !in_quote
;
378 } else if (c
.u
< 040 || c
.u
>= 0177) { /* TODO no magics: !bodychar()? */
380 if (in_domain
&& use_idna
> 0)
385 } else if (in_domain
== 2) {
386 if ((c
.c
== ']' && *p
!= '\0') || c
.c
== '\\' || whitechar(c
.c
))
388 } else if (in_quote
&& in_domain
== 0) {
390 } else if (c
.c
== '\\' && *p
!= '\0') {
392 } else if (c
.c
== '@') {
394 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_ATSEQ
,
398 agp
->ag_sdom_start
= PTR2SIZE(p
- addr
);
399 agp
->ag_n_flags
|= NAME_ADDRSPEC_ISADDR
; /* TODO .. really? */
400 in_domain
= (*p
== '[') ? 2 : 1;
402 } else if (c
.c
== '(' || c
.c
== ')' || c
.c
== '<' || c
.c
== '>' ||
403 c
.c
== '[' || c
.c
== ']' || c
.c
== ':' || c
.c
== ';' ||
404 c
.c
== '\\' || c
.c
== ',' || blankchar(c
.c
))
409 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_CHAR
, c
.u
);
413 if(!(agp
->ag_n_flags
& NAME_ADDRSPEC_ISADDR
)){
414 /* TODO This may be an UUCP address */
415 agp
->ag_n_flags
|= NAME_ADDRSPEC_ISNAME
;
416 if(!n_alias_is_valid_name(agp
->ag_input
))
417 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_NAME
, '.');
419 /* If we seem to know that this is an address. Ensure this is correct
420 * according to RFC 5322 TODO the entire address parser should be like
421 * TODO that for one, and then we should know whether structured or
422 * TODO unstructured, and just parse correctly overall!
423 * TODO In addition, this can be optimised a lot.
424 * TODO And it is far from perfect: it should not forget whether no
425 * TODO whitespace followed some snippet, and it was written hastily.
426 * TODO It is even wrong sometimes. Not only for strange cases */
428 struct a_token
*t_last
;
429 struct a_token
*t_next
;
435 a_T_TMASK
= (1u<<4) - 1,
437 a_T_SPECIAL
= 1u<<8 /* An atom actually needs to go TQUOTE */
442 } *thead
, *tcurr
, *tp
;
444 struct n_string ost
, *ostp
;
445 char const *cp
, *cp1st
, *cpmax
, *xp
;
448 /* Name and domain must be non-empty */
449 if(*addr
== '@' || &addr
[2] >= p
|| p
[-2] == '@'){
451 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_ATSEQ
, c
.u
);
457 /* Nothing to do if there is only an address (in angle brackets) */
458 /* TODO This is wrong since we allow invalid constructs in local-part
459 * TODO and domain, AT LEAST in so far as a"bc"d@abc should become
460 * TODO "abcd"@abc. Etc. */
461 if(agp
->ag_iaddr_start
== 0){
462 if(agp
->ag_iaddr_aend
== agp
->ag_ilen
)
464 }else if(agp
->ag_iaddr_start
== 1 && *cp
== '<' &&
465 agp
->ag_iaddr_aend
== agp
->ag_ilen
- 1 &&
466 cp
[agp
->ag_iaddr_aend
] == '>')
469 /* It is not, so parse off all tokens, then resort and rejoin */
470 lofi_snap
= n_lofi_snap_create();
473 if((c
.ui32
= agp
->ag_iaddr_start
) > 0)
477 thead
= tcurr
= NULL
;
480 for(tp
= NULL
; cp
< cpmax
;){
484 tp
->t_end
= PTR2SIZE(cp
- cp1st
);
485 tp
= n_lofi_alloc(sizeof *tp
);
487 if((tp
->t_last
= tcurr
) != NULL
)
493 tp
->t_start
= PTR2SIZE(++cp
- cp1st
);
494 xp
= skip_comment(cp
);
495 tp
->t_end
= PTR2SIZE(xp
- cp1st
);
497 if(tp
->t_end
> tp
->t_start
){
501 /* No closing comment - strip trailing whitespace */
502 while(blankchar(*--xp
))
503 if(--tp
->t_end
== tp
->t_start
)
512 tp
->t_end
= PTR2SIZE(cp
- cp1st
);
513 tp
= n_lofi_alloc(sizeof *tp
);
515 if((tp
->t_last
= tcurr
) != NULL
)
520 tp
->t_f
= a_T_TQUOTE
;
521 tp
->t_start
= PTR2SIZE(++cp
- cp1st
);
522 for(xp
= cp
; xp
< cpmax
; ++xp
){
523 if((c
.c
= *xp
) == '"')
525 if(c
.c
== '\\' && xp
[1] != '\0')
528 tp
->t_end
= PTR2SIZE(xp
- cp1st
);
530 if(tp
->t_end
> tp
->t_start
){
531 /* No closing quote - strip trailing whitespace */
533 while(blankchar(*xp
--))
534 if(--tp
->t_end
== tp
->t_start
)
544 tp
->t_end
= PTR2SIZE(cp
- cp1st
);
551 tp
= n_lofi_alloc(sizeof *tp
);
553 if((tp
->t_last
= tcurr
) != NULL
)
559 tp
->t_start
= PTR2SIZE(cp
- cp1st
);
563 /* Reverse solidus transforms the following into a quoted-pair, and
564 * therefore (must occur in comment or quoted-string only) the
565 * entire atom into a quoted string */
567 tp
->t_f
|= a_T_SPECIAL
;
573 /* Is this plain RFC 5322 "atext", or "specials"?
574 * TODO Because we don't know structured/unstructured, nor anything
575 * TODO else, we need to treat "dot-atom" as being identical to
577 * However, if the 8th bit is set, this will be RFC 2047 converted
578 * and the entire sequence is skipped */
579 if(!(c
.u
& 0x80) && !alnumchar(c
.c
) &&
580 c
.c
!= '!' && c
.c
!= '#' && c
.c
!= '$' && c
.c
!= '%' &&
581 c
.c
!= '&' && c
.c
!= '\'' && c
.c
!= '*' && c
.c
!= '+' &&
582 c
.c
!= '-' && c
.c
!= '/' && c
.c
!= '=' && c
.c
!= '?' &&
583 c
.c
!= '^' && c
.c
!= '_' && c
.c
!= '`' && c
.c
!= '{' &&
584 c
.c
!= '}' && c
.c
!= '|' && c
.c
!= '}' && c
.c
!= '~')
585 tp
->t_f
|= a_T_SPECIAL
;
590 tp
->t_end
= PTR2SIZE(cp
- cp1st
);
594 /* The local-part may be in quotes.. */
595 if((tp
= tcurr
) != NULL
&& (tp
->t_f
& a_T_TQUOTE
) &&
596 tp
->t_end
== agp
->ag_iaddr_start
- 1){
597 /* ..so backward extend it, including the starting quote */
598 /* TODO This is false and the code below #if 0 away. We would
599 * TODO need to create a properly quoted local-part HERE AND NOW
600 * TODO and REPLACE the original data with that version, but the
601 * TODO current code cannot do that. The node needs the data,
602 * TODO not only offsets for that, for example. If we had all that
603 * TODO the code below could produce a really valid thing */
606 if(tp
->t_start
> 0 &&
607 (tp
->t_last
== NULL
|| tp
->t_last
->t_end
< tp
->t_start
) &&
608 agp
->ag_input
[tp
->t_start
- 1] == '\\')
610 tp
->t_f
= a_T_TADDR
| a_T_SPECIAL
;
612 tp
= n_lofi_alloc(sizeof *tp
);
614 if((tp
->t_last
= tcurr
) != NULL
)
620 tp
->t_start
= agp
->ag_iaddr_start
;
621 /* TODO Very special case because of our hacky non-object-based and
622 * TODO non-compliant address parser. Note */
623 if(tp
->t_last
== NULL
&& tp
->t_start
> 0)
625 if(agp
->ag_input
[tp
->t_start
] == '<')
628 /* TODO Very special check for whether we need to massage the
629 * TODO local part. This is wrong, but otherwise even more so */
631 cp
= &agp
->ag_input
[tp
->t_start
];
632 cpmax
= &agp
->ag_input
[agp
->ag_iaddr_aend
];
635 if(!(c
.u
& 0x80) && !alnumchar(c
.c
) &&
636 c
.c
!= '!' && c
.c
!= '#' && c
.c
!= '$' && c
.c
!= '%' &&
637 c
.c
!= '&' && c
.c
!= '\'' && c
.c
!= '*' && c
.c
!= '+' &&
638 c
.c
!= '-' && c
.c
!= '/' && c
.c
!= '=' && c
.c
!= '?' &&
639 c
.c
!= '^' && c
.c
!= '_' && c
.c
!= '`' && c
.c
!= '{' &&
640 c
.c
!= '}' && c
.c
!= '|' && c
.c
!= '}' && c
.c
!= '~'){
641 tp
->t_f
|= a_T_SPECIAL
;
647 tp
->t_end
= agp
->ag_iaddr_aend
;
648 assert(tp
->t_start
<= tp
->t_end
);
651 cp
= &agp
->ag_input
[agp
->ag_iaddr_aend
+ 1];
652 cpmax
= &agp
->ag_input
[agp
->ag_ilen
];
657 /* Nothing may follow the address, move it to the end */
658 if(!(tcurr
->t_f
& a_T_TADDR
)){
659 for(tp
= thead
; tp
!= NULL
; tp
= tp
->t_next
){
660 if(tp
->t_f
& a_T_TADDR
){
661 if(tp
->t_last
!= NULL
)
662 tp
->t_last
->t_next
= tp
->t_next
;
665 if(tp
->t_next
!= NULL
)
666 tp
->t_next
->t_last
= tp
->t_last
;
669 while(tp
->t_next
!= NULL
)
673 tcurr
->t_next
= NULL
;
679 /* Make ranges contiguous: ensure a continuous range of atoms is converted
680 * to a SPECIAL one if at least one of them requires it */
681 for(tp
= thead
; tp
!= NULL
; tp
= tp
->t_next
){
682 if(tp
->t_f
& a_T_SPECIAL
){
684 while((tp
= tp
->t_last
) != NULL
&& (tp
->t_f
& a_T_TATOM
))
685 tp
->t_f
|= a_T_SPECIAL
;
687 while((tp
= tp
->t_next
) != NULL
&& (tp
->t_f
& a_T_TATOM
))
688 tp
->t_f
|= a_T_SPECIAL
;
694 /* And yes, we want quotes to extend as much as possible */
695 for(tp
= thead
; tp
!= NULL
; tp
= tp
->t_next
){
696 if(tp
->t_f
& a_T_TQUOTE
){
698 while((tp
= tp
->t_last
) != NULL
&& (tp
->t_f
& a_T_TATOM
))
699 tp
->t_f
|= a_T_SPECIAL
;
701 while((tp
= tp
->t_next
) != NULL
&& (tp
->t_f
& a_T_TATOM
))
702 tp
->t_f
|= a_T_SPECIAL
;
709 ostp
= n_string_creat_auto(&ost
);
710 if((c
.ui32
= agp
->ag_ilen
) <= UI32_MAX
>> 1)
711 ostp
= n_string_reserve(ostp
, c
.ui32
<<= 1);
713 for(tcurr
= thead
; tcurr
!= NULL
;){
715 ostp
= n_string_push_c(ostp
, ' ');
716 if(tcurr
->t_f
& a_T_TADDR
){
717 if(tcurr
->t_last
!= NULL
)
718 ostp
= n_string_push_c(ostp
, '<');
719 agp
->ag_iaddr_start
= ostp
->s_len
;
720 /* Now it is terrible to say, but if that thing contained
721 * quotes, then those may contain quoted-pairs! */
723 if(!(tcurr
->t_f
& a_T_SPECIAL
)){
725 ostp
= n_string_push_buf(ostp
, &cp1st
[tcurr
->t_start
],
726 (tcurr
->t_end
- tcurr
->t_start
));
731 ostp
= n_string_push_c(ostp
, '"');
734 cp
= &cp1st
[tcurr
->t_start
];
735 cpmax
= &cp1st
[tcurr
->t_end
];
736 for(esc
= FAL0
; cp
< cpmax
;){
737 if((c
.c
= *cp
++) == '\\' && !esc
){
738 if(cp
< cpmax
&& (*cp
== '"' || *cp
== '\\'))
741 if(esc
|| c
.c
== '"')
742 ostp
= n_string_push_c(ostp
, '\\');
744 ostp
= n_string_push_c(ostp
, '"');
747 ostp
= n_string_push_c(ostp
, c
.c
);
753 agp
->ag_iaddr_aend
= ostp
->s_len
;
755 if(tcurr
->t_last
!= NULL
)
756 ostp
= n_string_push_c(ostp
, '>');
757 tcurr
= tcurr
->t_next
;
758 }else if(tcurr
->t_f
& a_T_TCOMM
){
759 ostp
= n_string_push_c(ostp
, '(');
760 ostp
= n_string_push_buf(ostp
, &cp1st
[tcurr
->t_start
],
761 (tcurr
->t_end
- tcurr
->t_start
));
762 while((tp
= tcurr
->t_next
) != NULL
&& (tp
->t_f
& a_T_TCOMM
)){
764 ostp
= n_string_push_c(ostp
, ' '); /* XXX may be artificial */
765 ostp
= n_string_push_buf(ostp
, &cp1st
[tcurr
->t_start
],
766 (tcurr
->t_end
- tcurr
->t_start
));
768 ostp
= n_string_push_c(ostp
, ')');
769 tcurr
= tcurr
->t_next
;
770 }else if(tcurr
->t_f
& a_T_TQUOTE
){
772 ostp
= n_string_push_c(ostp
, '"');
774 do/* while tcurr && TATOM||TQUOTE */{
775 cp
= &cp1st
[tcurr
->t_start
];
776 cpmax
= &cp1st
[tcurr
->t_end
];
781 ostp
= n_string_push_c(ostp
, ' ');
783 if((tcurr
->t_f
& (a_T_TATOM
| a_T_SPECIAL
)) == a_T_TATOM
)
784 ostp
= n_string_push_buf(ostp
, cp
, PTR2SIZE(cpmax
- cp
));
788 for(esc
= FAL0
; cp
< cpmax
;){
789 if((c
.c
= *cp
++) == '\\' && !esc
){
790 if(cp
< cpmax
&& (*cp
== '"' || *cp
== '\\'))
793 if(esc
|| c
.c
== '"'){
795 ostp
= n_string_push_c(ostp
, '\\');
797 ostp
= n_string_push_c(ostp
, c
.c
);
806 }while((tcurr
= tcurr
->t_next
) != NULL
&&
807 (tcurr
->t_f
& (a_T_TATOM
| a_T_TQUOTE
)));
808 ostp
= n_string_push_c(ostp
, '"');
809 }else if(tcurr
->t_f
& a_T_SPECIAL
)
812 /* Can we use a fast join mode? */
813 for(tp
= tcurr
; tcurr
!= NULL
; tcurr
= tcurr
->t_next
){
814 if(!(tcurr
->t_f
& a_T_TATOM
))
817 ostp
= n_string_push_c(ostp
, ' ');
818 ostp
= n_string_push_buf(ostp
, &cp1st
[tcurr
->t_start
],
819 (tcurr
->t_end
- tcurr
->t_start
));
824 n_lofi_snap_unroll(lofi_snap
);
826 agp
->ag_input
= n_string_cp(ostp
);
827 agp
->ag_ilen
= ostp
->s_len
;
828 /*ostp = n_string_drop_ownership(ostp);*/
830 /* Name and domain must be non-empty, the second */
831 cp
= &agp
->ag_input
[agp
->ag_iaddr_start
];
832 cpmax
= &agp
->ag_input
[agp
->ag_iaddr_aend
];
833 if(*cp
== '@' || &cp
[2] > cpmax
|| cpmax
[-1] == '@'){
835 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_ATSEQ
, c
.u
);
839 agp
->ag_skinned
= savestrbuf(cp
, PTR2SIZE(cpmax
- cp
));
841 /* TODO This parser is a mess. We do not know whether this is truly
842 * TODO valid, and all our checks are not truly RFC conforming.
843 * TODO Do check the skinned thing by itself once more, in order
844 * TODO to catch problems from reordering, e.g., this additional
845 * TODO test catches a final address without AT..
846 * TODO This is a plain copy+paste of the weird thing above, no care */
847 agp
->ag_n_flags
&= ~NAME_ADDRSPEC_ISADDR
;
848 in_domain
= hadat
= 0;
849 for (p
= addr
; (c
.c
= *p
++) != '\0';) {
851 in_quote
= !in_quote
;
852 } else if (c
.u
< 040 || c
.u
>= 0177) {
857 } else if (in_domain
== 2) {
858 if ((c
.c
== ']' && *p
!= '\0') || c
.c
== '\\' || whitechar(c
.c
))
860 } else if (in_quote
&& in_domain
== 0) {
862 } else if (c
.c
== '\\' && *p
!= '\0') {
864 } else if (c
.c
== '@') {
866 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_ATSEQ
,
870 agp
->ag_n_flags
|= NAME_ADDRSPEC_ISADDR
; /* TODO .. really? */
871 in_domain
= (*p
== '[') ? 2 : 1;
873 } else if (c
.c
== '(' || c
.c
== ')' || c
.c
== '<' || c
.c
== '>' ||
874 c
.c
== '[' || c
.c
== ']' || c
.c
== ':' || c
.c
== ';' ||
875 c
.c
== '\\' || c
.c
== ',' || blankchar(c
.c
))
880 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_CHAR
, c
.u
);
881 else if(!(agp
->ag_n_flags
& NAME_ADDRSPEC_ISADDR
))
882 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_ATSEQ
,
887 if(!(agp
->ag_n_flags
& NAME_ADDRSPEC_INVALID
) && use_idna
== 2)
889 agp
= a_head_idna_apply(agp
);
892 return !(agp
->ag_n_flags
& NAME_ADDRSPEC_INVALID
);
896 a_gethfield(FILE *f
, char **linebuf
, size_t *linesize
, long rem
, char **colon
)
898 char *line2
= NULL
, *cp
, *cp2
;
899 size_t line2size
= 0;
903 if (*linebuf
== NULL
)
904 *linebuf
= srealloc(*linebuf
, *linesize
= 1);
911 if ((c
= readline_restart(f
, linebuf
, linesize
, 0)) <= 0) {
915 for (cp
= *linebuf
; fieldnamechar(*cp
); ++cp
)
918 while (blankchar(*cp
))
920 if (*cp
!= ':' || cp
== *linebuf
)
923 /* I guess we got a headline. Handle wraparound */
928 while (PTRCMP(--cp
, >=, *linebuf
) && blankchar(*cp
))
933 if (PTRCMP(cp
- 8, >=, *linebuf
) && cp
[-1] == '=' && cp
[-2] == '?')
935 ungetc(c
= getc(f
), f
);
938 c
= readline_restart(f
, &line2
, &line2size
, 0); /* TODO linepool! */
942 for (cp2
= line2
; blankchar(*cp2
); ++cp2
)
944 c
-= (int)PTR2SIZE(cp2
- line2
);
945 if (cp2
[0] == '=' && cp2
[1] == '?' && c
> 8)
947 if (PTRCMP(cp
+ c
, >=, *linebuf
+ *linesize
- 2)) {
948 size_t diff
= PTR2SIZE(cp
- *linebuf
),
949 colondiff
= PTR2SIZE(*colon
- *linebuf
);
950 *linebuf
= srealloc(*linebuf
, *linesize
+= c
+ 2);
951 cp
= &(*linebuf
)[diff
];
952 *colon
= &(*linebuf
)[colondiff
];
970 msgidnextc(char const **cp
, int *status
)
977 assert(status
!= NULL
);
995 *cp
= skip_comment(&(*cp
)[1]);
1011 c
= *(*cp
)++ & 0377;
1012 c
= (*status
& 02) ? lowerconv(c
) : c
;
1022 charcount(char *str
, int c
)
1028 for (i
= 0, cp
= str
; *cp
; ++cp
)
1036 nexttoken(char const *cp
)
1055 } while (nesting
> 0 && *cp
!= '\0'); /* XXX error? */
1056 } else if (blankchar(*cp
) || *cp
== ',')
1066 myaddrs(struct header
*hp
) /* TODO */
1069 char const *rv
, *mta
;
1072 if (hp
!= NULL
&& (np
= hp
->h_from
) != NULL
) {
1073 if ((rv
= np
->n_fullname
) != NULL
)
1075 if ((rv
= np
->n_name
) != NULL
)
1079 if((rv
= ok_vlook(from
)) != NULL
){
1080 if((np
= lextract(rv
, GEXTRA
| GFULL
)) == NULL
){
1082 n_err(_("An address given in *from* is invalid: %s\n"), rv
);
1084 }else for(; np
!= NULL
; np
= np
->n_flink
)
1085 if(is_addr_invalid(np
, EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
))
1090 /* When invoking *sendmail* directly, it's its task to generate an otherwise
1091 * undeterminable From: address. However, if the user sets *hostname*,
1092 * accept his desire */
1093 if (ok_vlook(hostname
) != NULL
)
1095 if (ok_vlook(smtp
) != NULL
|| /* TODO obsolete -> mta */
1096 /* TODO pretty hacky for now (this entire fun), later: url_creat()! */
1097 ((mta
= n_servbyname(ok_vlook(mta
), NULL
)) != NULL
&& *mta
!= '\0'))
1105 char const *hn
, *ln
;
1108 hn
= n_nodename(TRU1
);
1109 ln
= ok_vlook(LOGNAME
);
1110 i
= strlen(ln
) + strlen(hn
) + 1 +1;
1111 rv
= cp
= salloc(i
);
1112 sstpcpy(sstpcpy(sstpcpy(cp
, ln
), n_at
), hn
);
1118 myorigin(struct header
*hp
) /* TODO */
1120 char const *rv
= NULL
, *ccp
;
1124 if((ccp
= myaddrs(hp
)) != NULL
&&
1125 (np
= lextract(ccp
, GEXTRA
| GFULL
)) != NULL
){
1126 if(np
->n_flink
== NULL
)
1128 else if((ccp
= ok_vlook(sender
)) != NULL
) {
1129 if((np
= lextract(ccp
, GEXTRA
| GFULL
)) == NULL
||
1130 np
->n_flink
!= NULL
||
1131 is_addr_invalid(np
, EACM_STRICT
| EACM_NOLOG
| EACM_NONAME
))
1132 n_err(_("The address given in *sender* is invalid: %s\n"), ccp
);
1142 is_head(char const *linebuf
, size_t linelen
, bool_t check_rfc4155
)
1144 char date
[n_FROM_DATEBUF
];
1148 if ((rv
= (linelen
>= 5 && !memcmp(linebuf
, "From ", 5))) && check_rfc4155
&&
1149 (extract_date_from_from_(linebuf
, linelen
, date
) <= 0 ||
1157 extract_date_from_from_(char const *line
, size_t linelen
,
1158 char datebuf
[n_FROM_DATEBUF
])
1161 char const *cp
= line
;
1167 cp
= _from__skipword(cp
);
1171 cp
= _from__skipword(cp
);
1174 if((cp
[0] == 't' || cp
[0] == 'T') && (cp
[1] == 't' || cp
[1] == 'T') &&
1175 (cp
[2] == 'y' || cp
[2] == 'Y')){
1176 cp
= _from__skipword(cp
);
1180 /* It seems there are invalid MBOX archives in the wild, compare
1181 * . http://bugs.debian.org/624111
1182 * . [Mutt] #3868: mutt should error if the imported mailbox is invalid
1183 * What they do is that they obfuscate the address to "name at host",
1184 * and even "name at host dot dom dot dom.
1185 * The [Aa][Tt] is also RFC 733, so be tolerant */
1186 else if((cp
[0] == 'a' || cp
[0] == 'A') && (cp
[1] == 't' || cp
[1] == 'T') &&
1191 cp
= _from__skipword(cp
);
1194 if((cp
[0] == 'd' || cp
[0] == 'D') && (cp
[1] == 'o' || cp
[1] == 'O') &&
1195 (cp
[2] == 't' || cp
[2] == 'T') && cp
[3] == ' '){
1201 linelen
-= PTR2SIZE(cp
- line
);
1202 if (linelen
< a_HEAD_DATE_MINLEN
)
1204 if (cp
[linelen
- 1] == '\n') {
1206 /* (Rather IMAP/POP3 only) */
1207 if (cp
[linelen
- 1] == '\r')
1209 if (linelen
< a_HEAD_DATE_MINLEN
)
1212 if (linelen
>= n_FROM_DATEBUF
)
1216 memcpy(datebuf
, cp
, linelen
);
1217 datebuf
[linelen
] = '\0';
1221 cp
= _("<Unknown date>");
1222 linelen
= strlen(cp
);
1223 if (linelen
>= n_FROM_DATEBUF
)
1224 linelen
= n_FROM_DATEBUF
;
1230 extract_header(FILE *fp
, struct header
*hp
, si8_t
*checkaddr_err
)
1232 /* See the prototype declaration for the hairy relationship of
1233 * n_poption&n_PO_t_FLAG and/or n_psonce&n_PSO_t_FLAG in here */
1234 struct n_header_field
**hftail
;
1235 struct header nh
, *hq
= &nh
;
1236 char *linebuf
= NULL
/* TODO line pool */, *colon
;
1237 size_t linesize
= 0, seenfields
= 0;
1240 char const *val
, *cp
;
1243 memset(hq
, 0, sizeof *hq
);
1244 if ((n_psonce
& n_PSO_t_FLAG
) && (n_poption
& n_PO_t_FLAG
)) {
1245 hq
->h_to
= hp
->h_to
;
1246 hq
->h_cc
= hp
->h_cc
;
1247 hq
->h_bcc
= hp
->h_bcc
;
1249 hftail
= &hq
->h_user_headers
;
1251 for (lc
= 0; readline_restart(fp
, &linebuf
, &linesize
, 0) > 0; ++lc
)
1254 /* TODO yippieia, cat(check(lextract)) :-) */
1256 while ((lc
= a_gethfield(fp
, &linebuf
, &linesize
, lc
, &colon
)) >= 0) {
1259 /* We explicitly allow EAF_NAME for some addressees since aliases are not
1260 * yet expanded when we parse these! */
1261 if ((val
= thisfield(linebuf
, "to")) != NULL
) {
1263 hq
->h_to
= cat(hq
->h_to
, checkaddrs(lextract(val
, GTO
| GFULL
),
1264 EACM_NORMAL
| EAF_NAME
| EAF_MAYKEEP
, checkaddr_err
));
1265 } else if ((val
= thisfield(linebuf
, "cc")) != NULL
) {
1267 hq
->h_cc
= cat(hq
->h_cc
, checkaddrs(lextract(val
, GCC
| GFULL
),
1268 EACM_NORMAL
| EAF_NAME
| EAF_MAYKEEP
, checkaddr_err
));
1269 } else if ((val
= thisfield(linebuf
, "bcc")) != NULL
) {
1271 hq
->h_bcc
= cat(hq
->h_bcc
, checkaddrs(lextract(val
, GBCC
| GFULL
),
1272 EACM_NORMAL
| EAF_NAME
| EAF_MAYKEEP
, checkaddr_err
));
1273 } else if ((val
= thisfield(linebuf
, "from")) != NULL
) {
1274 if (!(n_psonce
& n_PSO_t_FLAG
) || (n_poption
& n_PO_t_FLAG
)) {
1276 hq
->h_from
= cat(hq
->h_from
,
1277 checkaddrs(lextract(val
, GEXTRA
| GFULL
| GFULLEXTRA
),
1278 EACM_STRICT
, NULL
));
1280 } else if ((val
= thisfield(linebuf
, "reply-to")) != NULL
) {
1282 hq
->h_reply_to
= cat(hq
->h_reply_to
,
1283 checkaddrs(lextract(val
, GEXTRA
| GFULL
), EACM_STRICT
, NULL
));
1284 } else if ((val
= thisfield(linebuf
, "sender")) != NULL
) {
1285 if (!(n_psonce
& n_PSO_t_FLAG
) || (n_poption
& n_PO_t_FLAG
)) {
1287 hq
->h_sender
= cat(hq
->h_sender
, /* TODO cat? check! */
1288 checkaddrs(lextract(val
, GEXTRA
| GFULL
| GFULLEXTRA
),
1289 EACM_STRICT
, NULL
));
1292 } else if ((val
= thisfield(linebuf
, "subject")) != NULL
||
1293 (val
= thisfield(linebuf
, "subj")) != NULL
) {
1295 for (cp
= val
; blankchar(*cp
); ++cp
)
1297 hq
->h_subject
= (hq
->h_subject
!= NULL
)
1298 ? save2str(hq
->h_subject
, cp
) : savestr(cp
);
1300 /* The remaining are mostly hacked in and thus TODO -- at least in
1301 * TODO respect to their content checking */
1302 else if((val
= thisfield(linebuf
, "message-id")) != NULL
){
1303 if(n_psonce
& n_PSO_t_FLAG
){
1304 np
= checkaddrs(lextract(val
, GREF
),
1305 /*EACM_STRICT | TODO '/' valid!! */ EACM_NOLOG
| EACM_NONAME
,
1307 if (np
== NULL
|| np
->n_flink
!= NULL
)
1310 hq
->h_message_id
= np
;
1313 }else if((val
= thisfield(linebuf
, "in-reply-to")) != NULL
){
1314 if(n_psonce
& n_PSO_t_FLAG
){
1315 np
= checkaddrs(lextract(val
, GREF
),
1316 /*EACM_STRICT | TODO '/' valid!! */ EACM_NOLOG
| EACM_NONAME
,
1319 hq
->h_in_reply_to
= np
;
1322 }else if((val
= thisfield(linebuf
, "references")) != NULL
){
1323 if(n_psonce
& n_PSO_t_FLAG
){
1325 /* TODO Limit number of references TODO better on parser side */
1326 hq
->h_ref
= cat(hq
->h_ref
, checkaddrs(extract(val
, GREF
),
1327 /*EACM_STRICT | TODO '/' valid!! */ EACM_NOLOG
| EACM_NONAME
,
1332 /* and that is very hairy */
1333 else if((val
= thisfield(linebuf
, "mail-followup-to")) != NULL
){
1334 if(n_psonce
& n_PSO_t_FLAG
){
1336 hq
->h_mft
= cat(hq
->h_mft
, checkaddrs(lextract(val
, GEXTRA
| GFULL
),
1337 /*EACM_STRICT | TODO '/' valid!! | EACM_NOLOG | */EACM_NONAME
,
1342 /* A free-form header; a_gethfield() did some verification already.. */
1344 struct n_header_field
*hfp
;
1348 for(nstart
= cp
= linebuf
;; ++cp
)
1349 if(!fieldnamechar(*cp
))
1351 nl
= (ui32_t
)PTR2SIZE(cp
- nstart
);
1353 while(blankchar(*cp
))
1357 n_err(_("Ignoring header field: %s\n"), linebuf
);
1360 while(blankchar(*cp
))
1362 bl
= (ui32_t
)strlen(cp
) +1;
1365 *hftail
= hfp
= salloc(n_VSTRUCT_SIZEOF(struct n_header_field
, hf_dat
1367 hftail
= &hfp
->hf_next
;
1368 hfp
->hf_next
= NULL
;
1370 hfp
->hf_bl
= bl
- 1;
1371 memcpy(hfp
->hf_dat
, nstart
, nl
);
1372 hfp
->hf_dat
[nl
++] = '\0';
1373 memcpy(hfp
->hf_dat
+ nl
, cp
, bl
);
1377 /* In case the blank line after the header has been edited out. Otherwise,
1378 * fetch the header separator */
1379 if (linebuf
!= NULL
) {
1380 if (linebuf
[0] != '\0') {
1381 for (cp
= linebuf
; *(++cp
) != '\0';)
1383 fseek(fp
, (long)-PTR2SIZE(1 + cp
- linebuf
), SEEK_CUR
);
1385 if ((c
= getc(fp
)) != '\n' && c
!= EOF
)
1390 if (seenfields
> 0 && (checkaddr_err
== NULL
|| *checkaddr_err
== 0)) {
1391 hp
->h_to
= hq
->h_to
;
1392 hp
->h_cc
= hq
->h_cc
;
1393 hp
->h_bcc
= hq
->h_bcc
;
1394 hp
->h_from
= hq
->h_from
;
1395 hp
->h_reply_to
= hq
->h_reply_to
;
1396 hp
->h_sender
= hq
->h_sender
;
1397 if (hq
->h_subject
!= NULL
|| !(n_psonce
& n_PSO_t_FLAG
) ||
1398 !(n_poption
& n_PO_t_FLAG
))
1399 hp
->h_subject
= hq
->h_subject
;
1400 hp
->h_user_headers
= hq
->h_user_headers
;
1402 if (n_psonce
& n_PSO_t_FLAG
) {
1403 hp
->h_ref
= hq
->h_ref
;
1404 hp
->h_message_id
= hq
->h_message_id
;
1405 hp
->h_in_reply_to
= hq
->h_in_reply_to
;
1406 hp
->h_mft
= hq
->h_mft
;
1408 /* And perform additional validity checks so that we don't bail later
1409 * on TODO this is good and the place where this should occur,
1410 * TODO unfortunately a lot of other places do again and blabla */
1411 if (hp
->h_from
== NULL
)
1412 hp
->h_from
= n_poption_arg_r
;
1413 else if (hp
->h_from
->n_flink
!= NULL
&& hp
->h_sender
== NULL
)
1414 hp
->h_sender
= lextract(ok_vlook(sender
),
1415 GEXTRA
| GFULL
| GFULLEXTRA
);
1418 n_err(_("Restoring deleted header lines\n"));
1420 if (linebuf
!= NULL
)
1426 hfield_mult(char const *field
, struct message
*mp
, int mult
)
1431 size_t linesize
= 0; /* TODO line pool */
1432 char *linebuf
= NULL
, *colon
;
1436 /* There are (spam) messages which have header bytes which are many KB when
1437 * joined, so resize a single heap storage until we are done if we shall
1438 * collect a field that may have multiple bodies; only otherwise use the
1439 * string dope directly */
1440 memset(&hfs
, 0, sizeof hfs
);
1442 if ((ibuf
= setinput(&mb
, mp
, NEED_HEADER
)) == NULL
)
1444 if ((lc
= mp
->m_lines
- 1) < 0)
1447 if ((mp
->m_flag
& MNOFROM
) == 0 &&
1448 readline_restart(ibuf
, &linebuf
, &linesize
, 0) < 0)
1451 if ((lc
= a_gethfield(ibuf
, &linebuf
, &linesize
, lc
, &colon
)) < 0)
1453 if ((hfield
= thisfield(linebuf
, field
)) != NULL
&& *hfield
!= '\0') {
1455 n_str_add_buf(&hfs
, hfield
, strlen(hfield
));
1457 hfs
.s
= savestr(hfield
);
1464 if (linebuf
!= NULL
)
1466 if (mult
&& hfs
.s
!= NULL
) {
1467 colon
= savestrbuf(hfs
.s
, hfs
.l
);
1476 thisfield(char const *linebuf
, char const *field
)
1478 char const *rv
= NULL
;
1481 while (lowerconv(*linebuf
) == lowerconv(*field
)) {
1488 while (blankchar(*linebuf
))
1490 if (*linebuf
++ != ':')
1493 while (blankchar(*linebuf
)) /* TODO header parser.. strip trailing WS?!? */
1502 nameof(struct message
*mp
, int reptype
)
1507 cp
= skin(name1(mp
, reptype
));
1508 if (reptype
!= 0 || charcount(cp
, '!') < 2)
1510 cp2
= strrchr(cp
, '!');
1512 while (cp2
> cp
&& *cp2
!= '!')
1522 skip_comment(char const *cp
)
1527 for (nesting
= 1; nesting
> 0 && *cp
; ++cp
) {
1546 routeaddr(char const *name
)
1548 char const *np
, *rp
= NULL
;
1551 for (np
= name
; *np
; np
++) {
1554 np
= skip_comment(np
+ 1) - 1;
1560 if (*np
== '\\' && np
[1])
1577 FL
enum expand_addr_flags
1578 expandaddr_to_eaf(void)
1581 char const *eafd_name
;
1582 bool_t eafd_is_target
;
1586 {"restrict", FAL0
, EAF_TARGET_MASK
, EAF_RESTRICT
| EAF_RESTRICT_TARGETS
},
1587 {"fail", FAL0
, EAF_NONE
, EAF_FAIL
},
1588 {"failinvaddr", FAL0
, EAF_NONE
, EAF_FAILINVADDR
| EAF_ADDR
},
1589 {"all", TRU1
, EAF_NONE
, EAF_TARGET_MASK
},
1590 {"file", TRU1
, EAF_NONE
, EAF_FILE
},
1591 {"pipe", TRU1
, EAF_NONE
, EAF_PIPE
},
1592 {"name", TRU1
, EAF_NONE
, EAF_NAME
},
1593 {"addr", TRU1
, EAF_NONE
, EAF_ADDR
}
1597 enum expand_addr_flags rv
;
1601 if ((cp
= ok_vlook(expandaddr
)) == NULL
)
1602 rv
= EAF_RESTRICT_TARGETS
;
1603 else if (*cp
== '\0')
1604 rv
= EAF_TARGET_MASK
;
1606 rv
= EAF_TARGET_MASK
;
1608 for (buf
= savestr(cp
); (cp
= n_strsep(&buf
, ',', TRU1
)) != NULL
;) {
1611 if ((minus
= (*cp
== '-')) || *cp
== '+')
1613 for (eafp
= eafa
;; ++eafp
) {
1614 if (eafp
== eafa
+ n_NELEM(eafa
)) {
1615 if (n_poption
& n_PO_D_V
)
1616 n_err(_("Unknown *expandaddr* value: %s\n"), cp
);
1618 } else if (!asccasecmp(cp
, eafp
->eafd_name
)) {
1620 rv
&= ~eafp
->eafd_andoff
;
1621 rv
|= eafp
->eafd_or
;
1623 if (eafp
->eafd_is_target
)
1624 rv
&= ~eafp
->eafd_or
;
1625 else if (n_poption
& n_PO_D_V
)
1626 n_err(_("minus - prefix invalid for *expandaddr* value: "
1630 } else if (!asccasecmp(cp
, "noalias")) { /* TODO v15 OBSOLETE */
1631 n_OBSOLETE(_("*expandaddr*: noalias is henceforth -name"));
1638 if((rv
& EAF_RESTRICT
) && ((n_psonce
& n_PSO_INTERACTIVE
) ||
1639 (n_poption
& n_PO_TILDE_FLAG
)))
1640 rv
|= EAF_TARGET_MASK
;
1641 else if(n_poption
& n_PO_D_V
){
1642 if(!(rv
& EAF_TARGET_MASK
))
1643 n_err(_("*expandaddr* doesn't allow any addressees\n"));
1644 else if((rv
& EAF_FAIL
) && (rv
& EAF_TARGET_MASK
) == EAF_TARGET_MASK
)
1645 n_err(_("*expandaddr* with fail, but no restrictions to apply\n"));
1653 is_addr_invalid(struct name
*np
, enum expand_addr_check_mode eacm
)
1655 char cbuf
[sizeof "'\\U12340'"];
1659 enum expand_addr_flags eaf
;
1662 eaf
= expandaddr_to_eaf();
1665 if ((rv
= ((f
& NAME_ADDRSPEC_INVALID
) != 0))) {
1666 if (eaf
& EAF_FAILINVADDR
)
1669 if ((eacm
& EACM_NOLOG
) || (f
& NAME_ADDRSPEC_ERR_EMPTY
)) {
1673 char const *fmt
= "'\\x%02X'";
1674 bool_t ok8bit
= TRU1
;
1676 if (f
& NAME_ADDRSPEC_ERR_IDNA
) {
1677 cs
= _("Invalid domain name: %s, character %s\n");
1680 } else if (f
& NAME_ADDRSPEC_ERR_ATSEQ
)
1681 cs
= _("%s contains invalid %s sequence\n");
1682 else if (f
& NAME_ADDRSPEC_ERR_NAME
) {
1683 cs
= _("%s is an invalid alias name\n");
1685 cs
= _("%s contains invalid byte %s\n");
1687 c
= NAME_ADDRSPEC_ERR_GETWC(f
);
1688 snprintf(cbuf
, sizeof cbuf
,
1689 (ok8bit
&& c
>= 040 && c
<= 0177 ? "'%c'" : fmt
), c
);
1695 /* *expandaddr* stuff */
1696 if (!(rv
= ((eacm
& EACM_MODE_MASK
) != EACM_NONE
)))
1699 if ((eacm
& EACM_STRICT
) && (f
& NAME_ADDRSPEC_ISFILEORPIPE
)) {
1702 cs
= _("%s%s: file or pipe addressees not allowed here\n");
1703 if (eacm
& EACM_NOLOG
)
1709 eaf
|= (eacm
& EAF_TARGET_MASK
);
1710 if (eacm
& EACM_NONAME
)
1713 if (eaf
== EAF_NONE
) {
1720 if (!(eaf
& EAF_FILE
) && (f
& NAME_ADDRSPEC_ISFILE
)) {
1721 cs
= _("%s%s: *expandaddr* doesn't allow file target\n");
1722 if (eacm
& EACM_NOLOG
)
1724 } else if (!(eaf
& EAF_PIPE
) && (f
& NAME_ADDRSPEC_ISPIPE
)) {
1725 cs
= _("%s%s: *expandaddr* doesn't allow command pipe target\n");
1726 if (eacm
& EACM_NOLOG
)
1728 } else if (!(eaf
& EAF_NAME
) && (f
& NAME_ADDRSPEC_ISNAME
)) {
1729 cs
= _("%s%s: *expandaddr* doesn't allow user name target\n");
1730 if (eacm
& EACM_NOLOG
)
1732 } else if (!(eaf
& EAF_ADDR
) && (f
& NAME_ADDRSPEC_ISADDR
)) {
1733 cs
= _("%s%s: *expandaddr* doesn't allow mail address target\n");
1734 if (eacm
& EACM_NOLOG
)
1744 n_err(cs
, n_shexp_quote_cp(np
->n_name
, TRU1
), cbuf
);
1751 skin(char const *name
)
1753 struct n_addrguts ag
;
1758 /*name =*/ n_addrspec_with_guts(&ag
, name
, TRU1
, FAL0
);
1760 if(!(ag
.ag_n_flags
& NAME_NAME_SALLOC
))
1761 rv
= savestrbuf(rv
, ag
.ag_slen
);
1768 /* TODO addrspec_with_guts: RFC 5322
1769 * TODO addrspec_with_guts: trim whitespace ETC. ETC. ETC.!!! */
1771 n_addrspec_with_guts(struct n_addrguts
*agp
, char const *name
, bool_t doskin
,
1772 bool_t issingle_hack
){
1774 char *cp2
, *bufend
, *nbuf
, c
;
1784 memset(agp
, 0, sizeof *agp
);
1786 if((agp
->ag_input
= name
) == NULL
|| (agp
->ag_ilen
= strlen(name
)) == 0){
1787 agp
->ag_skinned
= n_UNCONST(n_empty
); /* ok: NAME_SALLOC is not set */
1789 agp
->ag_n_flags
|= NAME_ADDRSPEC_CHECKED
;
1790 NAME_ADDRSPEC_ERR_SET(agp
->ag_n_flags
, NAME_ADDRSPEC_ERR_EMPTY
, 0);
1793 /*agp->ag_iaddr_start = 0;*/
1794 agp
->ag_iaddr_aend
= agp
->ag_ilen
;
1795 agp
->ag_skinned
= n_UNCONST(name
); /* (NAME_SALLOC not set) */
1796 agp
->ag_slen
= agp
->ag_ilen
;
1797 agp
->ag_n_flags
= NAME_SKINNED
;
1802 nbuf
= n_lofi_alloc(agp
->ag_ilen
+1);
1803 /*agp->ag_iaddr_start = 0;*/
1804 cp2
= bufend
= nbuf
;
1806 /* TODO This is complete crap and should use a token parser */
1807 for(cp
= name
++; (c
= *cp
++) != '\0';){
1810 cp
= skip_comment(cp
);
1814 /* Start of a "quoted-string". Copy it in its entirety */
1815 /* XXX RFC: quotes are "semantically invisible"
1816 * XXX But it was explicitly added (Changelog.Heirloom,
1817 * XXX [9.23] released 11/15/00, "Do not remove quotes
1818 * XXX when skinning names"? No more info.. */
1820 while ((c
= *cp
) != '\0') { /* TODO improve */
1828 else if ((c
= *cp
) != '\0') {
1837 if((flags
& (a_GOTADDR
| a_GOTSPACE
)) == a_GOTADDR
){
1838 flags
|= a_GOTSPACE
;
1839 agp
->ag_iaddr_aend
= PTR2SIZE(cp
- name
);
1841 if (cp
[0] == 'a' && cp
[1] == 't' && blankchar(cp
[2]))
1842 cp
+= 3, *cp2
++ = '@';
1843 else if (cp
[0] == '@' && blankchar(cp
[1]))
1844 cp
+= 2, *cp2
++ = '@';
1849 agp
->ag_iaddr_start
= PTR2SIZE(cp
- (name
- 1));
1851 flags
&= ~(a_GOTSPACE
| a_LASTSP
);
1852 flags
|= a_GOTLT
| a_GOTADDR
;
1855 if(flags
& a_GOTLT
){
1856 /* (_addrspec_check() verifies these later!) */
1857 flags
&= ~(a_GOTLT
| a_LASTSP
);
1858 agp
->ag_iaddr_aend
= PTR2SIZE(cp
- name
);
1860 /* Skip over the entire remaining field */
1861 while((c
= *cp
) != '\0' && c
!= ','){
1864 cp
= skip_comment(cp
);
1866 while ((c
= *cp
) != '\0') {
1870 if (c
== '\\' && *cp
!= '\0')
1878 if(flags
& a_LASTSP
){
1880 if(flags
& a_GOTADDR
)
1884 /* This character is forbidden here, but it may nonetheless be
1885 * present: ensure we turn this into something valid! (E.g., if the
1886 * next character would be a "..) */
1887 if(c
== '\\' && *cp
!= '\0')
1889 if(c
== ',' && !issingle_hack
){
1890 if(!(flags
& a_GOTLT
)){
1892 for(; blankchar(*cp
); ++cp
)
1897 }else if(!(flags
& a_GOTADDR
)){
1899 agp
->ag_iaddr_start
= PTR2SIZE(cp
- name
);
1904 agp
->ag_slen
= PTR2SIZE(cp2
- nbuf
);
1905 if (agp
->ag_iaddr_aend
== 0)
1906 agp
->ag_iaddr_aend
= agp
->ag_ilen
;
1908 else if (agp
->ag_iaddr_aend
< agp
->ag_iaddr_start
) {
1909 cp2
= n_autorec_alloc(agp
->ag_ilen
+ 1 +1);
1910 memcpy(cp2
, agp
->ag_input
, agp
->ag_ilen
);
1911 agp
->ag_iaddr_aend
= agp
->ag_ilen
;
1912 cp2
[agp
->ag_ilen
++] = '>';
1913 cp2
[agp
->ag_ilen
] = '\0';
1915 agp
->ag_skinned
= savestrbuf(nbuf
, agp
->ag_slen
);
1917 agp
->ag_n_flags
= NAME_NAME_SALLOC
| NAME_SKINNED
;
1919 if(a_head_addrspec_check(agp
, doskin
) <= FAL0
)
1922 name
= agp
->ag_input
;
1929 realname(char const *name
)
1931 char const *cp
, *cq
, *cstart
= NULL
, *cend
= NULL
;
1934 int quoted
, good
, nogood
;
1937 if ((cp
= n_UNCONST(name
)) == NULL
)
1939 for (; *cp
!= '\0'; ++cp
) {
1942 if (cstart
!= NULL
) {
1943 /* More than one comment in address, doesn't make sense to display
1944 * it without context. Return the entire field */
1945 cp
= mime_fromaddr(name
);
1949 cp
= skip_comment(cp
);
1952 cend
= cstart
= NULL
;
1958 if (*cp
== '\\' && cp
[1])
1969 /* More than one address. Just use the first one */
1975 if (cstart
== NULL
) {
1977 /* If name contains only a route-addr, the surrounding angle brackets
1978 * don't serve any useful purpose when displaying, so remove */
1979 cp
= prstr(skin(name
));
1981 cp
= mime_fromaddr(name
);
1985 /* Strip quotes. Note that quotes that appear within a MIME encoded word are
1986 * not stripped. The idea is to strip only syntactical relevant things (but
1987 * this is not necessarily the most sensible way in practice) */
1988 rp
= rname
= ac_alloc(PTR2SIZE(cend
- cstart
+1));
1990 for (cp
= cstart
; cp
< cend
; ++cp
) {
1991 if (*cp
== '(' && !quoted
) {
1992 cq
= skip_comment(++cp
);
1993 if (PTRCMP(--cq
, >, cend
))
1996 if (*cp
== '\\' && PTRCMP(cp
+ 1, <, cq
))
2000 } else if (*cp
== '\\' && PTRCMP(cp
+ 1, <, cend
))
2002 else if (*cp
== '"') {
2011 mime_fromhdr(&in
, &out
, TD_ISPR
| TD_ICONV
);
2013 rname
= savestr(out
.s
);
2016 while (blankchar(*rname
))
2018 for (rp
= rname
; *rp
!= '\0'; ++rp
)
2020 while (PTRCMP(--rp
, >=, rname
) && blankchar(*rp
))
2023 cp
= mime_fromaddr(name
);
2027 /* mime_fromhdr() has converted all nonprintable characters to question
2028 * marks now. These and blanks are considered uninteresting; if the
2029 * displayed part of the real name contains more than 25% of them, it is
2030 * probably better to display the plain email address instead */
2033 for (rp
= rname
; *rp
!= '\0' && PTRCMP(rp
, <, rname
+ 20); ++rp
)
2034 if (*rp
== '?' || blankchar(*rp
))
2038 cp
= (good
* 3 < nogood
) ? prstr(skin(name
)) : rname
;
2041 return n_UNCONST(cp
);
2045 name1(struct message
*mp
, int reptype
)
2047 char *namebuf
, *cp
, *cp2
, *linebuf
= NULL
/* TODO line pool */;
2048 size_t namesize
, linesize
= 0;
2053 if ((cp
= hfield1("from", mp
)) != NULL
&& *cp
!= '\0')
2055 if (reptype
== 0 && (cp
= hfield1("sender", mp
)) != NULL
&& *cp
!= '\0')
2058 namebuf
= smalloc(namesize
= 1);
2060 if (mp
->m_flag
& MNOFROM
)
2062 if ((ibuf
= setinput(&mb
, mp
, NEED_HEADER
)) == NULL
)
2064 if (readline_restart(ibuf
, &linebuf
, &linesize
, 0) < 0)
2068 if (namesize
<= linesize
)
2069 namebuf
= srealloc(namebuf
, namesize
= linesize
+1);
2070 for (cp
= linebuf
; *cp
!= '\0' && *cp
!= ' '; ++cp
)
2072 for (; blankchar(*cp
); ++cp
)
2074 for (cp2
= namebuf
+ strlen(namebuf
);
2075 *cp
&& !blankchar(*cp
) && PTRCMP(cp2
, <, namebuf
+ namesize
-1);)
2079 if (readline_restart(ibuf
, &linebuf
, &linesize
, 0) < 0)
2081 if ((cp
= strchr(linebuf
, 'F')) == NULL
)
2083 if (strncmp(cp
, "From", 4))
2085 if (namesize
<= linesize
)
2086 namebuf
= srealloc(namebuf
, namesize
= linesize
+ 1);
2088 while ((cp
= strchr(cp
, 'r')) != NULL
) {
2089 if (!strncmp(cp
, "remote", 6)) {
2090 if ((cp
= strchr(cp
, 'f')) == NULL
)
2092 if (strncmp(cp
, "from", 4) != 0)
2094 if ((cp
= strchr(cp
, ' ')) == NULL
)
2098 strncpy(namebuf
, cp
, namesize
);
2101 cp2
= strrchr(namebuf
, '!') + 1;
2102 strncpy(cp2
, cp
, PTR2SIZE(namebuf
+ namesize
- cp2
));
2104 namebuf
[namesize
- 2] = '!';
2105 namebuf
[namesize
- 1] = '\0';
2111 if (*namebuf
!= '\0' || ((cp
= hfield1("return-path", mp
))) == NULL
||
2113 cp
= savestr(namebuf
);
2115 if (linebuf
!= NULL
)
2124 subject_re_trim(char const *s
){
2128 }const *pp
, ignored
[] = { /* Update *reply-strings* manual upon change! */
2130 {3, "aw:"}, {5, "antw:"}, /* de */
2131 {3, "wg:"}, /* Seen too often in the wild */
2136 char *re_st
, *re_st_x
;
2146 if((re_st_x
= ok_vlook(reply_strings
)) != NULL
&&
2147 (re_l
= strlen(re_st_x
)) > 0){
2148 re_st
= n_lofi_alloc(++re_l
* 2);
2149 memcpy(re_st
, re_st_x
, re_l
);
2154 while(spacechar(*s
))
2157 for(pp
= ignored
; pp
->len
> 0; ++pp
)
2158 if(is_asccaseprefix(pp
->dat
, s
)){
2167 memcpy(re_st_x
= &re_st
[re_l
], re_st
, re_l
);
2168 while((cp
= n_strsep(&re_st_x
, ',', TRU1
)) != NULL
)
2169 if(is_asccaseprefix(cp
, s
)){
2181 return any
? s
: orig_s
;
2185 msgidcmp(char const *s1
, char const *s2
)
2187 int q1
= 0, q2
= 0, c1
, c2
;
2196 c1
= msgidnextc(&s1
, &q1
);
2197 c2
= msgidnextc(&s2
, &q2
);
2206 fakefrom(struct message
*mp
)
2211 if (((name
= skin(hfield1("return-path", mp
))) == NULL
|| *name
== '\0' ) &&
2212 ((name
= skin(hfield1("from", mp
))) == NULL
|| *name
== '\0'))
2213 /* XXX MAILER-DAEMON is what an old MBOX manual page says.
2214 * RFC 4155 however requires a RFC 5322 (2822) conforming
2215 * "addr-spec", but we simply can't provide that */
2216 name
= "MAILER-DAEMON";
2221 #if defined HAVE_IMAP_SEARCH || defined HAVE_IMAP
2223 unixtime(char const *fromline
)
2225 char const *fp
, *xp
;
2227 si32_t i
, year
, month
, day
, hour
, minute
, second
, tzdiff
;
2231 for (fp
= fromline
; *fp
!= '\0' && *fp
!= '\n'; ++fp
)
2234 if (PTR2SIZE(fp
- fromline
) < 7)
2239 if (!strncmp(fp
+ 4, n_month_names
[i
], 3))
2241 if (n_month_names
[++i
][0] == '\0')
2247 n_idec_si32_cp(&day
, &fp
[8], 10, &xp
);
2248 if (*xp
!= ' ' || xp
!= fp
+ 10)
2250 n_idec_si32_cp(&hour
, &fp
[11], 10, &xp
);
2251 if (*xp
!= ':' || xp
!= fp
+ 13)
2253 n_idec_si32_cp(&minute
, &fp
[14], 10, &xp
);
2254 if (*xp
!= ':' || xp
!= fp
+ 16)
2256 n_idec_si32_cp(&second
, &fp
[17], 10, &xp
);
2257 if (*xp
!= ' ' || xp
!= fp
+ 19)
2259 n_idec_si32_cp(&year
, &fp
[20], 10, &xp
);
2262 if ((t
= combinetime(year
, month
, day
, hour
, minute
, second
)) == (time_t)-1)
2264 if((t2
= mktime(gmtime(&t
))) == (time_t)-1)
2267 if((tmptr
= localtime(&t
)) == NULL
)
2269 if (tmptr
->tm_isdst
> 0)
2270 tzdiff
+= 3600; /* TODO simply adding an hour for ISDST is .. buuh */
2279 #endif /* HAVE_IMAP_SEARCH || HAVE_IMAP */
2282 rfctime(char const *date
) /* TODO n_idec_ return tests */
2286 si32_t i
, year
, month
, day
, hour
, minute
, second
;
2291 if ((cp
= nexttoken(cp
)) == NULL
)
2293 if (alphachar(cp
[0]) && alphachar(cp
[1]) && alphachar(cp
[2]) &&
2295 if ((cp
= nexttoken(&cp
[4])) == NULL
)
2298 n_idec_si32_cp(&day
, cp
, 10, &x
);
2299 if ((cp
= nexttoken(x
)) == NULL
)
2302 if (!strncmp(cp
, n_month_names
[i
], 3))
2304 if (n_month_names
[++i
][0] == '\0')
2308 if ((cp
= nexttoken(&cp
[3])) == NULL
)
2311 * Where a two or three digit year occurs in a date, the year is to be
2312 * interpreted as follows: If a two digit year is encountered whose
2313 * value is between 00 and 49, the year is interpreted by adding 2000,
2314 * ending up with a value between 2000 and 2049. If a two digit year
2315 * is encountered with a value between 50 and 99, or any three digit
2316 * year is encountered, the year is interpreted by adding 1900 */
2317 n_idec_si32_cp(&year
, cp
, 10, &x
);
2318 i
= (int)PTR2SIZE(x
- cp
);
2319 if (i
== 2 && year
>= 0 && year
<= 49)
2321 else if (i
== 3 || (i
== 2 && year
>= 50 && year
<= 99))
2323 if ((cp
= nexttoken(x
)) == NULL
)
2325 n_idec_si32_cp(&hour
, cp
, 10, &x
);
2329 n_idec_si32_cp(&minute
, cp
, 10, &x
);
2332 n_idec_si32_cp(&second
, cp
, 10, &x
);
2336 if ((t
= combinetime(year
, month
, day
, hour
, minute
, second
)) == (time_t)-1)
2338 if ((cp
= nexttoken(x
)) != NULL
) {
2350 if (digitchar(cp
[0]) && digitchar(cp
[1]) && digitchar(cp
[2]) &&
2357 n_idec_si32_cp(&i
, buf
, 10, NULL
);
2358 tadj
= (si64_t
)i
* 3600; /* XXX */
2361 n_idec_si32_cp(&i
, buf
, 10, NULL
);
2362 tadj
+= (si64_t
)i
* 60; /* XXX */
2367 /* TODO WE DO NOT YET PARSE (OBSOLETE) ZONE NAMES
2368 * TODO once again, Christos Zoulas and NetBSD Mail have done
2369 * TODO a really good job already, but using strptime(3), which
2370 * TODO is not portable. Nonetheless, WE must improve, not
2371 * TODO at last because we simply ignore obsolete timezones!!
2372 * TODO See RFC 5322, 4.3! */
2383 combinetime(int year
, int month
, int day
, int hour
, int minute
, int second
){
2384 size_t const jdn_epoch
= 2440588;
2385 bool_t
const y2038p
= (sizeof(time_t) == 4);
2391 if(UICMP(32, second
, >/*XXX leap=*/, n_DATE_SECSMIN
) ||
2392 UICMP(32, minute
, >=, n_DATE_MINSHOUR
) ||
2393 UICMP(32, hour
, >=, n_DATE_HOURSDAY
) ||
2394 day
< 1 || day
> 31 ||
2395 month
< 1 || month
> 12 ||
2399 if(year
>= 1970 + ((y2038p
? SI32_MAX
: SI64_MAX
) /
2400 (n_DATE_SECSDAY
* n_DATE_DAYSYEAR
))){
2401 /* Be a coward regarding Y2038, many people (mostly myself, that is) do
2402 * test by stepping second-wise around the flip. Don't care otherwise */
2405 if(year
> 2038 || month
> 1 || day
> 19 ||
2406 hour
> 3 || minute
> 14 || second
> 7)
2411 t
+= minute
* n_DATE_SECSMIN
;
2412 t
+= hour
* n_DATE_SECSHOUR
;
2414 jdn
= a_head_gregorian_to_jdn(year
, month
, day
);
2416 t
+= (time_t)jdn
* n_DATE_SECSDAY
;
2426 substdate(struct message
*m
)
2431 /* Determine the date to print in faked 'From ' lines. This is traditionally
2432 * the date the message was written to the mail file. Try to determine this
2433 * using RFC message header fields, or fall back to current time */
2435 if ((cp
= hfield1("received", m
)) != NULL
) {
2436 while ((cp
= nexttoken(cp
)) != NULL
&& *cp
!= ';') {
2439 while (alnumchar(*cp
));
2442 m
->m_time
= rfctime(cp
);
2444 if (m
->m_time
== 0 || m
->m_time
> time_current
.tc_time
) {
2445 if ((cp
= hfield1("date", m
)) != NULL
)
2446 m
->m_time
= rfctime(cp
);
2448 if (m
->m_time
== 0 || m
->m_time
> time_current
.tc_time
)
2449 m
->m_time
= time_current
.tc_time
;
2454 setup_from_and_sender(struct header
*hp
)
2460 /* If -t parsed or composed From: then take it. With -t we otherwise
2461 * want -r to be honoured in favour of *from* in order to have
2462 * a behaviour that is compatible with what users would expect from e.g.
2464 if ((np
= hp
->h_from
) != NULL
||
2465 ((n_psonce
& n_PSO_t_FLAG
) && (np
= n_poption_arg_r
) != NULL
)) {
2467 } else if ((addr
= myaddrs(hp
)) != NULL
)
2468 np
= lextract(addr
, GEXTRA
| GFULL
| GFULLEXTRA
);
2471 if ((np
= hp
->h_sender
) != NULL
) {
2473 } else if ((addr
= ok_vlook(sender
)) != NULL
)
2474 np
= lextract(addr
, GEXTRA
| GFULL
| GFULLEXTRA
);
2480 FL
struct name
const *
2481 check_from_and_sender(struct name
const *fromfield
,
2482 struct name
const *senderfield
)
2484 struct name
const *rv
= NULL
;
2487 if (senderfield
!= NULL
) {
2488 if (senderfield
->n_flink
!= NULL
) {
2489 n_err(_("The Sender: field may contain only one address\n"));
2495 if (fromfield
!= NULL
) {
2496 if (fromfield
->n_flink
!= NULL
&& senderfield
== NULL
) {
2497 n_err(_("A Sender: is required when there are multiple "
2498 "addresses in From:\n"));
2506 rv
= (struct name
*)0x1;
2514 getsender(struct message
*mp
)
2520 if ((cp
= hfield1("from", mp
)) == NULL
||
2521 (np
= lextract(cp
, GEXTRA
| GSKIN
)) == NULL
)
2524 cp
= (np
->n_flink
!= NULL
) ? skin(hfield1("sender", mp
)) : np
->n_name
;
2531 grab_headers(enum n_go_input_flags gif
, struct header
*hp
, enum gfield gflags
,
2534 /* TODO grab_headers: again, check counts etc. against RFC;
2535 * TODO (now assumes check_from_and_sender() is called afterwards ++ */
2541 comma
= (ok_blook(bsdcompat
) || ok_blook(bsdmsgs
)) ? 0 : GCOMMA
;
2544 hp
->h_to
= grab_names(gif
, "To: ", hp
->h_to
, comma
, GTO
| GFULL
);
2545 if (subjfirst
&& (gflags
& GSUBJECT
))
2546 hp
->h_subject
= n_go_input_cp(gif
, "Subject: ", hp
->h_subject
);
2548 hp
->h_cc
= grab_names(gif
, "Cc: ", hp
->h_cc
, comma
, GCC
| GFULL
);
2550 hp
->h_bcc
= grab_names(gif
, "Bcc: ", hp
->h_bcc
, comma
, GBCC
| GFULL
);
2552 if (gflags
& GEXTRA
) {
2553 if (hp
->h_from
== NULL
)
2554 hp
->h_from
= lextract(myaddrs(hp
), GEXTRA
| GFULL
| GFULLEXTRA
);
2555 hp
->h_from
= grab_names(gif
, "From: ", hp
->h_from
, comma
,
2556 GEXTRA
| GFULL
| GFULLEXTRA
);
2557 if (hp
->h_reply_to
== NULL
) {
2558 struct name
*v15compat
;
2560 if((v15compat
= lextract(ok_vlook(replyto
), GEXTRA
| GFULL
)) != NULL
)
2561 n_OBSOLETE(_("please use *reply-to*, not *replyto*"));
2562 hp
->h_reply_to
= lextract(ok_vlook(reply_to
), GEXTRA
| GFULL
);
2563 if(hp
->h_reply_to
== NULL
) /* v15 */
2564 hp
->h_reply_to
= v15compat
;
2566 hp
->h_reply_to
= grab_names(gif
, "Reply-To: ", hp
->h_reply_to
, comma
,
2568 if (hp
->h_sender
== NULL
)
2569 hp
->h_sender
= extract(ok_vlook(sender
), GEXTRA
| GFULL
);
2570 hp
->h_sender
= grab_names(gif
, "Sender: ", hp
->h_sender
, comma
,
2574 if (!subjfirst
&& (gflags
& GSUBJECT
))
2575 hp
->h_subject
= n_go_input_cp(gif
, "Subject: ", hp
->h_subject
);
2582 n_header_match(struct message
*mp
, struct search_expr
const *sep
){
2583 struct str fiter
, in
, out
;
2588 char **linebuf
, *colon
;
2589 enum {a_NONE
, a_ALL
, a_ITER
, a_RE
} match
;
2595 linebuf
= &termios_state
.ts_linebuf
; /* XXX line pool */
2596 linesize
= &termios_state
.ts_linesize
; /* XXX line pool */
2597 n_UNINIT(fiter
.l
, 0);
2598 n_UNINIT(fiter
.s
, NULL
);
2600 if((ibuf
= setinput(&mb
, mp
, NEED_HEADER
)) == NULL
)
2602 if((lc
= mp
->m_lines
- 1) < 0)
2605 if((mp
->m_flag
& MNOFROM
) == 0 &&
2606 readline_restart(ibuf
, linebuf
, linesize
, 0) < 0)
2610 if((field
= sep
->ss_field
) != NULL
){
2611 if(!asccasecmp(field
, "header") || (field
[0] == '<' && field
[1] == '\0'))
2614 fiter
.s
= n_lofi_alloc((fiter
.l
= strlen(field
)) +1);
2618 }else if(sep
->ss_fieldre
!= NULL
){
2624 /* Iterate over all the headers */
2628 if((lc
= a_gethfield(ibuf
, linebuf
, linesize
, lc
, &colon
)) <= 0)
2631 /* Is this a header we are interested in? */
2632 if(match
== a_ITER
){
2635 memcpy(itercp
= fiter
.s
, sep
->ss_field
, fiter
.l
+1);
2636 while((field
= n_strsep(&itercp
, ',', TRU1
)) != NULL
){
2637 /* It may be an abbreviation */
2638 char const x
[][8] = {"from", "to", "cc", "bcc", "subject"};
2642 if(field
[0] != '\0' && field
[1] == '\0'){
2643 c1
= lowerconv(field
[0]);
2644 for(i
= 0; i
< n_NELEM(x
); ++i
){
2652 if(!ascncasecmp(field
, *linebuf
, PTR2SIZE(colon
- *linebuf
)))
2658 }else if(match
== a_RE
){
2662 i
= PTR2SIZE(colon
- *linebuf
);
2663 cp
= n_lofi_alloc(i
+1);
2664 memcpy(cp
, *linebuf
, i
);
2666 i
= (regexec(sep
->ss_fieldre
, cp
, 0,NULL
, 0) != REG_NOMATCH
);
2673 /* It could be a plain existence test */
2674 if(sep
->ss_field_exists
){
2679 /* Need to check the body */
2680 while(blankchar(*++colon
))
2684 /* Shall we split into address list and match as/the addresses only?
2685 * TODO at some later time we should ignore and log efforts to search
2686 * TODO a skinned address list if we know the header has none such */
2688 if((np
= lextract(in
.s
, GSKIN
)) == NULL
)
2693 in
.l
= strlen(in
.s
);
2694 mime_fromhdr(&in
, &out
, TD_ICONV
);
2699 if(sep
->ss_bodyre
!= NULL
)
2700 rv
= (regexec(sep
->ss_bodyre
, out
.s
, 0,NULL
, 0) != REG_NOMATCH
);
2703 rv
= substr(out
.s
, sep
->ss_body
);
2709 if(np
!= NULL
&& (np
= np
->n_flink
) != NULL
){
2717 n_lofi_free(fiter
.s
);
2723 n_header_is_standard(char const *name
, size_t len
){
2724 static char const * const names
[] = {
2725 "Bcc", "Cc", "From",
2726 "In-Reply-To", "Mail-Followup-To",
2727 "Message-ID", "References", "Reply-To",
2728 "Sender", "Subject", "To",
2730 "Mailx-Orig-Bcc", "Mailx-Orig-Cc", "Mailx-Orig-From", "Mailx-Orig-To",
2731 "Mailx-Raw-Bcc", "Mailx-Raw-Cc", "Mailx-Raw-To",
2734 char const * const *rv
;
2740 for(rv
= names
; *rv
!= NULL
; ++rv
)
2741 if(!ascncasecmp(*rv
, name
, len
))
2748 n_header_add_custom(struct n_header_field
**hflp
, char const *dat
,
2753 struct n_header_field
*hfp
;
2758 /* For (-C) convenience, allow leading WS */
2759 while(blankchar(*dat
))
2762 /* Isolate the header field from the body */
2763 for(cp
= dat
;; ++cp
){
2764 if(fieldnamechar(*cp
))
2769 }else if(*cp
!= ':' && !blankchar(*cp
)){
2771 cp
= N_("Invalid custom header (not \"field: body\"): %s\n");
2776 nl
= (ui32_t
)PTR2SIZE(cp
- dat
);
2780 /* Verify the custom header does not use standard/managed field name */
2781 if(n_header_is_standard(dat
, nl
) != NULL
){
2782 cp
= N_("Custom headers cannot use standard header names: %s\n");
2786 /* Skip on over to the body */
2787 while(blankchar(*cp
))
2791 while(blankchar(*cp
))
2793 bl
= (ui32_t
)strlen(cp
);
2794 for(i
= bl
++; i
-- != 0;)
2795 if(cntrlchar(cp
[i
])){
2796 cp
= N_("Invalid custom header: contains control characters: %s\n");
2800 i
= n_VSTRUCT_SIZEOF(struct n_header_field
, hf_dat
) + nl
+1 + bl
;
2801 *hflp
= hfp
= heap
? n_alloc(i
) : n_autorec_alloc(i
);
2802 hfp
->hf_next
= NULL
;
2804 hfp
->hf_bl
= bl
- 1;
2805 memcpy(hfp
->hf_dat
, dat
, nl
);
2806 hfp
->hf_dat
[nl
++] = '\0';
2807 memcpy(hfp
->hf_dat
+ nl
, cp
, bl
);
2810 return (hfp
!= NULL
);
2813 n_err(V_(cp
), n_shexp_quote_cp(dat
, FAL0
));