1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ Header inclusion, macros, constants, types and the global var declarations.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2014 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
8 * Copyright (c) 1980, 1993
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the University of
22 * California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 * Mail -- a mail program
43 * Author: Kurt Shoens (UCB) March 25, 1978
49 #include <sys/types.h>
63 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
66 # include <inttypes.h>
83 #ifdef HAVE_OPENSSL_MD5
84 # include <openssl/md5.h>
88 * Constants, some nail-specific macros
91 #if !defined NI_MAXHOST || NI_MAXHOST < 1025
93 # define NI_MAXHOST 1025
96 /* TODO PATH_MAX: fixed-size buffer is always wrong (think NFS) */
99 # define PATH_MAX MAXPATHLEN
101 # define PATH_MAX 1024 /* _XOPEN_PATH_MAX POSIX 2008/Cor 1-2013 */
106 # define STDIN_FILENO 0
108 #ifndef STDOUT_FILENO
109 # define STDOUT_FILENO 1
111 #ifndef STDERR_FILENO
112 # define STDERR_FILENO 2
117 # define NSIG NSIG_MAX
119 # define NSIG ((sizeof(sigset_t) * 8) - 1)
124 #if BUFSIZ + 0 > 2560 /* TODO simply use BUFSIZ? */
125 # define LINESIZE BUFSIZ /* max readable line width */
127 # define LINESIZE 2560
129 #define BUFFER_SIZE (BUFSIZ >= (1u << 13) ? BUFSIZ : (1u << 14))
131 /* Number of Not-Yet-Dead calls that are remembered */
132 #if defined HAVE_DEBUG || defined HAVE_DEVEL || defined HAVE_NYD2
134 # define NYD_CALLS_MAX (25 * 99)
135 # elif defined HAVE_DEVEL
136 # define NYD_CALLS_MAX (25 * 66)
138 # define NYD_CALLS_MAX (25 * 33)
142 #define APPEND /* New mail goes to end of mailbox */
143 #define CBAD (-15555)
144 #define ESCAPE '~' /* Default escape for sending */
145 #define FIO_STACK_SIZE 20 /* Maximum recursion for sourcing */
146 #define HIST_SIZE 242 /* tty.c: history list default size */
147 #define HSHSIZE 23 /* Hash prime TODO make dynamic, obsolete */
148 #define MAXARGC 1024 /* Maximum list of raw strings */
149 #define MAXEXP 25 /* Maximum expansion of aliases */
150 #define PROMPT_BUFFER_SIZE 80 /* getprompt() bufsize (> 3!) */
152 #define ACCOUNT_NULL "null" /* Name of "null" account */
153 #define MAILRC "~/.mailrc"
154 #define NETRC "~/.netrc"
155 #define TMPDIR_FALLBACK "/tmp"
157 /* Some environment variables for pipe hooks */
158 #define AGENT_USER "NAIL_USER"
159 #define AGENT_USER_ENC "NAIL_USER_ENC"
160 #define AGENT_HOST "NAIL_HOST"
161 #define AGENT_HOST_PORT "NAIL_HOST_PORT"
169 #define COLOUR_MSGINFO "fg=green"
170 #define COLOUR_PARTINFO "fg=brown"
171 #define COLOUR_FROM_ "fg=brown"
172 #define COLOUR_HEADER "fg=red"
173 #define COLOUR_UHEADER "ft=bold,fg=red"
174 #define COLOUR_TERMS \
175 "cons25,linux,rxvt,rxvt-unicode,screen,sun,vt100,vt220,wsvt25,xterm"
176 #define COLOUR_USER_HEADERS "from,subject"
178 #define FROM_DATEBUF 64 /* Size of RFC 4155 From_ line date */
179 #define DATE_DAYSYEAR 365L
180 #define DATE_SECSMIN 60L
181 #define DATE_MINSHOUR 60L
182 #define DATE_HOURSDAY 24L
183 #define DATE_SECSDAY (DATE_SECSMIN * DATE_MINSHOUR * DATE_HOURSDAY)
185 /* *indentprefix* default as of POSIX */
186 #define INDENT_DEFAULT "\t"
188 /* Default *encoding* as enum conversion below */
189 #define MIME_DEFAULT_ENCODING CONV_TOQP
191 /* Maximum allowed line length in a mail before QP folding is necessary), and
192 * the real limit we go for */
193 #define MIME_LINELEN_MAX 1000
194 #define MIME_LINELEN_LIMIT (MIME_LINELEN_MAX - 50)
196 /* Locations of mime.types(5) */
197 #define MIME_TYPES_USR "~/.mime.types"
198 #define MIME_TYPES_SYS "/etc/mime.types"
200 /* Fallback MIME charsets, if *charset-7bit* and *charset-8bit* or not set */
201 #define CHARSET_7BIT "US-ASCII"
203 # define CHARSET_8BIT "UTF-8"
204 # define CHARSET_8BIT_OKEY charset_8bit
206 # define CHARSET_8BIT "ISO-8859-1"
207 # define CHARSET_8BIT_OKEY ttycharset
210 /* Some environment variables for pipe hooks */
211 #define PIPEHOOK_FILENAME "NAIL_FILENAME"
212 #define PIPEHOOK_FILENAME_GENERATED "NAIL_FILENAME_GENERATED"
213 #define PIPEHOOK_CONTENT "NAIL_CONTENT"
214 #define PIPEHOOK_CONTENT_EVIDENCE "NAIL_CONTENT_EVIDENCE"
216 /* Is *W* a quoting (ASCII only) character? */
218 ((W) == L'>' || (W) == L'|' || (W) == L'}' || (W) == L':')
220 /* Maximum number of quote characters (not bytes!) that'll be used on
221 * follow lines when compressing leading quote characters */
224 /* How much spaces should a <tab> count when *quote-fold*ing? (power-of-two!) */
225 #define QUOTE_TAB_SPACES 8
227 /* Maximum size of a message that is passed through to the spam system */
228 #define SPAM_MAXSIZE 420000
230 /* String dope: dynamic buffer size, and size of the single builtin one that's
232 #define SBUFFER_SIZE 0x18000u
233 #define SBUFFER_BUILTIN 0x2000u
235 /* These come from the configuration (named Xxy to not clash with sh(1)..) */
237 # define XSHELL "/bin/sh"
240 # define XLISTER "ls"
243 # define XPAGER "more"
247 * CC support, generic macros etc.
250 #if defined __clang__
252 # define PREREQ_CLANG(X,Y) \
253 (__clang_major__ + 0 > (X) || \
254 (__clang_major__ + 0 == (X) && __clang_minor__ + 0 >= (Y)))
255 # define __EXTEN __extension__
256 #elif defined __GNUC__
258 # define PREREQ_GCC(X,Y) \
259 (__GNUC__ + 0 > (X) || (__GNUC__ + 0 == (X) && __GNUC_MINOR__ + 0 >= (Y)))
260 # define __EXTEN __extension__
265 # define PREREQ_CLANG(X,Y) 0
269 # define PREREQ_GCC(X,Y) 0
275 /* XXX Suppress unused return values via #pragma's;
276 * XXX Wild guesses: clang(1) 1.7 and (OpenBSD) gcc(1) 4.2.1 don't work */
277 #if PREREQ_CLANG(3, 4)
278 # pragma clang diagnostic ignored "-Wunused-result"
279 #elif PREREQ_GCC(4, 7)
280 # pragma GCC diagnostic ignored "-Wunused-result"
283 /* For injection macros like DBG(), NATCH_CHAR() */
286 #define EMPTY_FILE(F) typedef int CONCAT(avoid_empty_file__, F);
288 /* Pointer to size_t */
289 #define PTR2SIZE(X) ((size_t)(uintptr_t)(X))
291 /* Pointer comparison (types from below) */
292 #define PTRCMP(A,C,B) ((uintptr_t)(A) C (uintptr_t)(B))
294 /* Ditto, compare (maybe mixed-signed) integers cases to T bits, unsigned;
295 * Note: doesn't sign-extend correctly, that's still up to the caller */
296 #define UICMP(T,A,C,B) ((ui ## T ## _t)(A) C (ui ## T ## _t)(B))
298 /* Members in constant array */
300 # define NELEM(A) (sizeof(A) / sizeof(A[0]))
303 /* sizeof() for member fields */
304 #define SIZEOF_FIELD(T,F) sizeof(((T *)NULL)->F)
306 /* Casts-away (*NOT* cast-away) */
307 #define UNUSED(X) ((void)(X))
308 #define UNCONST(P) ((void*)(uintptr_t)(void const*)(P))
309 #define UNVOLATILE(P) ((void*)(uintptr_t)(void volatile*)(P))
310 #define UNXXX(T,C,P) ((T)(uintptr_t)(C)(P))
312 /* __STDC_VERSION__ is ISO C99, so also use __STDC__, which should work */
313 #if defined __STDC__ || defined __STDC_VERSION__ /*|| defined __cplusplus*/
314 # define STRING(X) #X
315 # define XSTRING(X) STRING(X)
316 # define CONCAT(S1,S2) _CONCAT(S1, S2)
317 # define _CONCAT(S1,S2) S1 ## S2
319 # define STRING(X) "X"
320 # define XSTRING STRING
321 # define CONCAT(S1,S2) S1/**/S2
324 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
325 /* Variable size arrays and structure fields */
326 # define VFIELD_SIZE(X)
327 # define VFIELD_SIZEOF(T,F) (0)
328 /* Inline functions */
330 # define INLINE inline
331 # define SINLINE static inline
333 # define VFIELD_SIZE(X) (X)
334 # define VFIELD_SIZEOF(T,F) SIZEOF_FIELD(T, F)
335 # if CC_CLANG || PREREQ_GCC(2, 9)
336 # define INLINE static __inline
337 # define SINLINE static __inline
340 # define SINLINE static
345 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
346 # define __FUN__ __func__
347 #elif CC_CLANG || PREREQ_GCC(3, 4)
348 # define __FUN__ __FUNCTION__
350 # define __FUN__ uagent /* Something that is not a literal */
353 #if defined __predict_true && defined __predict_false
354 # define LIKELY(X) __predict_true(X)
355 # define UNLIKELY(X) __predict_false(X)
356 #elif CC_CLANG || PREREQ_GCC(2, 96)
357 # define LIKELY(X) __builtin_expect(X, 1)
358 # define UNLIKELY(X) __builtin_expect(X, 0)
360 # define LIKELY(X) (X)
361 # define UNLIKELY(X) (X)
364 #undef HAVE_NATCH_CHAR
366 #if defined HAVE_SETLOCALE && defined HAVE_C90AMEND1 && defined HAVE_WCWIDTH
367 # define HAVE_NATCH_CHAR
368 # define NATCH_CHAR(X) X
370 # define NATCH_CHAR(X)
373 /* Compile-Time-Assert */
374 #define CTA(TEST) _CTA_1(TEST, __LINE__)
375 #define _CTA_1(TEST,L) _CTA_2(TEST, L)
376 #define _CTA_2(TEST,L) \
377 typedef char COMPILE_TIME_ASSERT_failed_at_line_ ## L[(TEST) ? 1 : -1]
380 #define ISPOW2(X) ((((X) - 1) & (X)) == 0)
382 #define MIN(A, B) ((A) < (B) ? (A) : (B))
384 #define MAX(A, B) ((A) < (B) ? (B) : (A))
386 #define ABS(A) ((A) < 0 ? -(A) : (A))
392 # define assert(X) UNUSED(0)
400 /* Translation (init in main.c) */
412 typedef unsigned long ul_it
;
413 typedef unsigned int ui_it
;
414 typedef unsigned short us_it
;
415 typedef unsigned char uc_it
;
417 typedef signed long sl_it
;
418 typedef signed int si_it
;
419 typedef signed short ss_it
;
420 typedef signed char sc_it
;
423 # define UI8_MAX UINT8_MAX
424 # define SI8_MIN INT8_MIN
425 # define SI8_MAX INT8_MAX
426 typedef uint8_t ui8_t
;
427 typedef int8_t si8_t
;
428 #elif UCHAR_MAX != 255
429 # error UCHAR_MAX must be 255
431 # define UI8_MAX UCHAR_MAX
432 # define SI8_MIN CHAR_MIN
433 # define SI8_MAX CHAR_MAX
434 typedef unsigned char ui8_t
;
435 typedef signed char si8_t
;
439 # define UI16_MAX UINT16_MAX
440 # define SI16_MIN INT16_MIN
441 # define SI16_MAX INT16_MAX
442 typedef uint16_t ui16_t
;
443 typedef int16_t si16_t
;
444 #elif USHRT_MAX != 0xFFFFu
445 # error USHRT_MAX must be 0xFFFF
447 # define UI16_MAX USHRT_MAX
448 # define SI16_MIN SHRT_MIN
449 # define SI16_MAX SHRT_MAX
450 typedef unsigned short ui16_t
;
451 typedef signed short si16_t
;
455 # define UI32_MAX UINT32_MAX
456 # define SI32_MIN INT32_MIN
457 # define SI32_MAX INT32_MAX
458 typedef uint32_t ui32_t
;
459 typedef int32_t si32_t
;
460 #elif ULONG_MAX == 0xFFFFFFFFu
461 # define UI32_MAX ULONG_MAX
462 # define SI32_MIN LONG_MIN
463 # define SI32_MAX LONG_MAX
464 typedef unsigned long int ui32_t
;
465 typedef signed long int si32_t
;
466 #elif UINT_MAX != 0xFFFFFFFFu
467 # error UINT_MAX must be 0xFFFFFFFF
469 # define UI32_MAX UINT_MAX
470 # define SI32_MIN INT_MIN
471 # define SI32_MAX INT_MAX
472 typedef unsigned int ui32_t
;
473 typedef signed int si32_t
;
477 # define UI64_MAX UINT64_MAX
478 # define SI64_MIN INT64_MIN
479 # define SI64_MAX INT64_MAX
480 typedef uint64_t ui64_t
;
481 #elif ULONG_MAX <= 0xFFFFFFFFu
482 # if !defined ULLONG_MAX || ULLONG_MAX != 0xFFFFFFFFFFFFFFFFu
483 # error We need a 64 bit integer
485 # define UI64_MAX ULLONG_MAX
486 # define SI64_MIN LLONG_MIN
487 # define SI64_MAX LLONG_MAX
488 __EXTEN
typedef unsigned long long ui64_t
;
489 __EXTEN
typedef signed long long si64_t
;
492 # define UI64_MAX ULONG_MAX
493 # define SI64_MIN LONG_MIN
494 # define SI64_MAX LONG_MAX
495 typedef unsigned long ui64_t
;
496 typedef signed long si64_t
;
499 /* (So that we can use UICMP() for size_t comparison, too) */
500 typedef size_t uiz_t
;
501 typedef ssize_t siz_t
;
505 # define uintptr_t size_t
506 # define UINTPTR_MAX SIZE_MAX
508 # define uintptr_t unsigned long
509 # define UINTPTR_MAX ULONG_MAX
513 /* XXX Note we don't really deal with that the right way in that we pass size_t
514 * XXX arguments without casting; should do, because above we assert UINT_MAX
515 * XXX is indeed ui32_t -- CTAsserted in main.c */
516 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
518 # define __ZFMT_CTA() CTA(1 == 1)
519 #elif defined SIZE_MAX && SIZE_MAX == 0xFFFFFFFFu && ULONG_MAX != UINT_MAX
521 # define __ZFMT_CTA() CTA(sizeof(size_t) == sizeof(unsigned int))
525 # define __ZFMT_CTA() CTA(sizeof(size_t) == sizeof(unsigned long))
529 typedef si8_t bool_t
;
531 typedef void ( *sighandler_type
)(int);
535 OPT_DEBUG
= 1u<< 0, /* -d / *debug* */
536 OPT_VERB
= 1u<< 1, /* -v / *verbose* */
537 OPT_VERBVERB
= 1u<<19, /* .. even more verbosity */
538 OPT_EXISTONLY
= 1u<< 2, /* -e */
539 OPT_HEADERSONLY
= 1u<< 3, /* -H */
540 OPT_HEADERLIST
= 1u<< 4, /* -L */
541 OPT_NOSRC
= 1u<< 5, /* -n */
542 OPT_E_FLAG
= 1u<< 6, /* -E / *skipemptybody* */
543 OPT_F_FLAG
= 1u<< 7, /* -F */
544 OPT_N_FLAG
= 1u<< 8, /* -N / *header* */
545 OPT_R_FLAG
= 1u<< 9, /* -R */
546 OPT_r_FLAG
= 1u<<10, /* -r (plus option_r_arg) */
547 OPT_t_FLAG
= 1u<<11, /* -t */
548 OPT_u_FLAG
= 1u<<12, /* -u / $USER and pw->pw_uid != getuid(2) */
549 OPT_TILDE_FLAG
= 1u<<13, /* -~ */
550 OPT_BATCH_FLAG
= 1u<<14, /* -# */
552 OPT_SENDMODE
= 1u<<15, /* Usage case forces send mode */
553 OPT_INTERACTIVE
= 1u<<16, /* isatty(0) */
554 OPT_TTYIN
= OPT_INTERACTIVE
,
556 OPT_UNICODE
= 1u<<18, /* We're in an UTF-8 environment */
558 /* Some easy-access shortcuts */
559 OPT_D_V
= OPT_DEBUG
| OPT_VERB
,
560 OPT_D_VV
= OPT_DEBUG
| OPT_VERBVERB
562 #define IS_TTY_SESSION() \
563 ((options & (OPT_TTYIN | OPT_TTYOUT)) == (OPT_TTYIN | OPT_TTYOUT))
566 EXIT_OK
= EXIT_SUCCESS
,
567 EXIT_ERR
= EXIT_FAILURE
,
569 EXIT_COLL_ABORT
= 1<<1, /* Message collection was aborted */
570 EXIT_SEND_ERROR
= 1<<2 /* Unspecified send error occurred */
575 FEDIT_SYSBOX
= 1<<0, /* %: prefix */
576 FEDIT_RDONLY
= 1<<1, /* Readonly (per-box, OPT_R_FLAG is global) */
577 FEDIT_NEWMAIL
= 1<<2 /* `newmail' operation TODO OBSOLETE THIS! */
581 FEXP_FULL
, /* Full expansion */
582 FEXP_LOCAL
= 1<<0, /* Result must be local file/maildir */
583 FEXP_SHELL
= 1<<1, /* No folder %,#,&,+ stuff, yet sh(1) */
584 FEXP_NSHORTCUT
= 1<<2, /* Don't expand shortcuts */
585 FEXP_SILENT
= 1<<3, /* Don't print but only return errors */
586 FEXP_MULTIOK
= 1<<4 /* Expansion to many entries is ok */
595 /* <0 means "stop" unless *prompt* extensions are enabled. */
597 PROMPT_STOP
= -1, /* \c */
598 /* *prompt* extensions: \$, \@ etc. */
618 MIME_NONE
, /* message is not in MIME format */
619 MIME_BIN
, /* message is in binary encoding */
620 MIME_8B
, /* message is in 8bit encoding */
621 MIME_7B
, /* message is in 7bit encoding */
622 MIME_QP
, /* message is quoted-printable */
623 MIME_B64
/* message is in base64 encoding */
626 enum mime_counter_evidence
{
628 MIMECE_USR_OVWR
= 1<<1
632 CONV_NONE
, /* no conversion */
633 CONV_7BIT
, /* no conversion, is 7bit */
634 CONV_FROMQP
, /* convert from quoted-printable */
635 CONV_TOQP
, /* convert to quoted-printable */
636 CONV_8BIT
, /* convert to 8bit (iconv) */
637 CONV_FROMB64
, /* convert from base64 */
638 CONV_FROMB64_T
, /* convert from base64/text */
639 CONV_TOB64
, /* convert to base64 */
640 CONV_FROMHDR
, /* convert from RFC1522 format */
641 CONV_TOHDR
, /* convert to RFC1522 format */
642 CONV_TOHDR_A
/* convert addresses for header */
646 SEND_MBOX
, /* no conversion to perform */
647 SEND_RFC822
, /* no conversion, no From_ line */
648 SEND_TODISP
, /* convert to displayable form */
649 SEND_TODISP_ALL
, /* same, include all MIME parts */
650 SEND_SHOW
, /* convert to 'show' command form */
651 SEND_TOSRCH
, /* convert for IMAP SEARCH */
652 SEND_TOFILE
, /* convert for saving body to a file */
653 SEND_TOPIPE
, /* convert for pipe-content/subc. */
654 SEND_QUOTE
, /* convert for quoting */
655 SEND_QUOTE_ALL
, /* same, include all MIME parts */
656 SEND_DECRYPT
/* decrypt */
660 MIME_UNKNOWN
, /* unknown content */
661 MIME_SUBHDR
, /* inside a multipart subheader */
662 MIME_822
, /* message/rfc822 content */
663 MIME_MESSAGE
, /* other message/ content */
664 MIME_TEXT_PLAIN
, /* text/plain content */
665 MIME_TEXT_HTML
, /* text/html content */
666 MIME_TEXT
, /* other text/ content */
667 MIME_ALTERNATIVE
, /* multipart/alternative content */
668 MIME_DIGEST
, /* multipart/digest content */
669 MIME_MULTI
, /* other multipart/ content */
670 MIME_PKCS7
, /* PKCS7 content */
671 MIME_DISCARD
/* content is discarded */
674 /* Content-Transfer-Encodings as defined in RFC 2045:
675 * - Quoted-Printable, section 6.7
676 * - Base64, section 6.8 */
677 #define QP_LINESIZE (4 * 19) /* Max. compliant QP linesize */
679 #define B64_LINESIZE (4 * 19) /* Max. compliant Base64 linesize */
680 #define B64_ENCODE_INPUT_PER_LINE 57 /* Max. input for Base64 encode/line */
682 /* xxx QP came later, maybe rewrite all to use mimecte_flags directly? */
683 enum __mimecte_flags
{
685 MIMECTE_SALLOC
= 1<<0, /* Use salloc(), not srealloc().. */
686 /* ..result .s,.l point to user buffer of *_LINESIZE+[+[+]] bytes instead */
688 MIMECTE_CRLF
= 1<<2, /* (encode) Append "\r\n" to lines */
689 MIMECTE_LF
= 1<<3, /* (encode) Append "\n" to lines */
690 /* (encode) If one of _CRLF/_LF is set, honour *_LINESIZE+[+[+]] and
691 * inject the desired line-ending whenever a linewrap is desired */
692 MIMECTE_MULTILINE
= 1<<4,
693 /* (encode) Quote with header rules, do not generate soft NL breaks? */
694 MIMECTE_ISHEAD
= 1<<5
698 QP_NONE
= MIMECTE_NONE
,
699 QP_SALLOC
= MIMECTE_SALLOC
,
700 QP_BUF
= MIMECTE_BUF
,
701 QP_ISHEAD
= MIMECTE_ISHEAD
705 B64_NONE
= MIMECTE_NONE
,
706 B64_SALLOC
= MIMECTE_SALLOC
,
707 B64_BUF
= MIMECTE_BUF
,
708 B64_CRLF
= MIMECTE_CRLF
,
710 B64_MULTILINE
= MIMECTE_MULTILINE
722 OF_UNLINK
= 1<<8, /* Only for Ftmp(): unlink(2) after creation */
723 OF_HOLDSIGS
= 1<<9, /* Mutual with OF_UNLINK - await Ftmp_free() */
724 OF_REGISTER
= 1<<10 /* Register file in our file table */
728 TD_NONE
, /* no display conversion */
729 TD_ISPR
= 1<<0, /* use isprint() checks */
730 TD_ICONV
= 1<<1, /* use iconv() */
731 TD_DELCTRL
= 1<<2, /* delete control characters */
734 * NOTE: _TD_EOF and _TD_BUFCOPY may be ORd with enum conversion and
735 * enum sendaction, and may thus NOT clash with their bit range!
737 _TD_EOF
= 1<<14, /* EOF seen, last round! */
738 _TD_BUFCOPY
= 1<<15 /* Buffer may be constant, copy it */
742 PROTO_FILE
, /* refers to a local file */
743 PROTO_POP3
, /* is a pop3 server string */
744 PROTO_IMAP
, /* is an imap server string */
745 PROTO_MAILDIR
, /* refers to a maildir folder */
746 PROTO_UNKNOWN
/* unknown protocol */
756 AUTHTYPE_NONE
= 1<<0,
757 AUTHTYPE_PLAIN
= 1<<1, /* POP3: APOP is covered by this */
758 AUTHTYPE_LOGIN
= 1<<2,
759 AUTHTYPE_CRAM_MD5
= 1<<3,
760 AUTHTYPE_GSSAPI
= 1<<4
764 enum ssl_verify_level
{
772 /* A large enum with all the binary and value options a.k.a their keys.
773 * Only the constant keys are in here, to be looked up via ok_[bv]look(),
774 * ok_[bv]set() and ok_[bv]clear().
775 * Note: see the comments in accmacvar.c before changing *anything* in here! */
777 /* Option keys for binary options */
778 ok_b_add_file_recipients
,
788 ok_b_attachment_ask_content_description
,
789 ok_b_attachment_ask_content_disposition
,
790 ok_b_attachment_ask_content_id
,
791 ok_b_attachment_ask_content_type
,
796 ok_b_batch_exit_on_error
,
806 ok_b_debug
, /* {special=1} */
808 ok_b_disposition_notification_send
,
815 ok_b_forward_as_attachment
,
817 ok_b_header
, /* {special=1} */
819 ok_b_history_gabby_persist
,
824 ok_b_imap_use_starttls
,
826 ok_b_keep_content_length
,
828 ok_b_line_editor_disable
,
830 ok_b_message_id_disable
,
832 ok_b_mime_allow_text_controls
,
839 ok_b_pop3_use_starttls
,
840 ok_b_print_all_chars
,
841 ok_b_print_alternatives
,
843 ok_b_quote_as_attachment
,
844 ok_b_recipients_in_cc
,
846 ok_b_reply_in_same_charset
,
848 ok_b_rfc822_body_from_
, /* {name=rfc822-body-from_} */
851 ok_b_sendcharsets_else_ttycharset
,
856 ok_b_skipemptybody
, /* {special=1} */
857 ok_b_smime_force_encryption
,
858 ok_b_smime_no_default_ca
,
860 ok_b_smtp_use_starttls
,
861 ok_b_ssl_no_default_ca
,
864 ok_b_verbose
, /* {special=1} */
865 ok_b_writebackedited
,
867 /* Option keys for values options */
868 ok_v_agent_shell_lookup
,
876 ok_v_colour_from_
, /* {name=colour-from_} */
879 ok_v_colour_partinfo
,
882 ok_v_colour_user_headers
,
885 ok_v_datefield_markout_older
,
890 ok_v_folder
, /* {special=1} */
900 ok_v_imap_list_depth
,
902 ok_v_line_editor_cursor_right
, /* {special=1} */
906 ok_v_mime_counter_evidence
,
907 /* TODO v15-compat: mimetypes-load-control -> mimetypes-load / mimetypes */
908 ok_v_mimetypes_load_control
,
909 ok_v_NAIL_EXTRA_RC
, /* {name=NAIL_EXTRA_RC} */
910 /* TODO v15-compat: NAIL_HEAD -> message-head? */
911 ok_v_NAIL_HEAD
, /* {name=NAIL_HEAD} */
912 /* TODO v15-compat: NAIL_HISTFILE -> history-file */
913 ok_v_NAIL_HISTFILE
, /* {name=NAIL_HISTFILE} */
914 /* TODO v15-compat: NAIL_HISTSIZE -> history-size{,limit} */
915 ok_v_NAIL_HISTSIZE
, /* {name=NAIL_HISTSIZE} */
916 /* TODO v15-compat: NAIL_TAIL -> message-tail? */
917 ok_v_NAIL_TAIL
, /* {name=NAIL_TAIL} */
923 /* TODO pop3_auth is yet a dummy to enable easier impl. of ccred_lookup()! */
935 ok_v_sendmail_arguments
,
936 ok_v_sendmail_progname
,
945 ok_v_smime_sign_cert
,
946 ok_v_smime_sign_include_certs
,
948 /* TODO v15-compat: smtp-auth: drop */
950 ok_v_smtp_auth_password
,
962 ok_v_ssl_cipher_list
,
977 enum okey_xlook_mode
{
978 OXM_PLAIN
= 1<<0, /* Plain key always tested */
979 OXM_H_P
= 1<<1, /* Check PLAIN-.url_h_p */
980 OXM_U_H_P
= 1<<2, /* Check PLAIN-.url_u_h_p */
984 /* Locale-independent character classes */
998 char *s
; /* the string's content */
999 size_t l
; /* the stings's length */
1002 struct colour_table
{
1003 /* Plus a copy of *colour-user-headers* */
1004 struct str ct_csinfo
[COLOURSPEC_RESET
+1 + 1];
1008 struct str bi_start
; /* Start of (possibly) bidirectional text */
1009 struct str bi_end
; /* End of ... */
1010 size_t bi_pad
; /* No of visual columns to reserve for BIDI pad */
1014 char const *url_input
; /* Input as given (really) */
1015 enum cproto url_cproto
; /* Communication protocol as given */
1016 bool_t url_needs_tls
; /* Wether the protocol uses SSL/TLS */
1017 bool_t url_had_user
; /* Wether .url_user was part of the URL */
1018 ui16_t url_portno
; /* atoi .url_port or default, host endian */
1019 char const *url_port
; /* Port (if given) or NULL */
1020 char url_proto
[14]; /* Communication protocol as 'xy\0//' */
1021 ui8_t url_proto_len
; /* Length of .url_proto ('\0' index) */
1022 ui8_t url_proto_xlen
; /* .. if '\0' is replaced with ':' */
1023 struct str url_user
; /* User, exactly as given / looked up */
1024 struct str url_user_enc
; /* User, urlxenc()oded */
1025 struct str url_pass
; /* Pass (urlxdec()oded) or NULL */
1026 struct str url_host
; /* Service hostname */
1027 struct str url_path
; /* CPROTO_IMAP: path suffix or NULL */
1028 /* TODO: url_get_component(url *, enum COMPONENT, str *store) */
1029 struct str url_h_p
; /* .url_host[:.url_port] */
1030 /* .url_user@.url_host
1031 * Note: for CPROTO_SMTP this may resolve HOST via *smtp-hostname* (->
1032 * *hostname*)! (And may later be overwritten according to *from*!) */
1034 struct str url_u_h_p
; /* .url_user@.url_host[:.url_port] */
1035 struct str url_eu_h_p
; /* .url_user_enc@.url_host[:.url_port] */
1036 char const *url_p_u_h_p
; /* .url_proto://.url_u_h_p */
1037 char const *url_p_eu_h_p
; /* .url_proto://.url_eu_h_p */
1038 char const *url_p_eu_h_p_p
; /* .url_proto://.url_eu_h_p[/.url_path] */
1042 enum cproto cc_cproto
; /* Communication protocol */
1043 enum authtype cc_authtype
; /* Desired authentication */
1044 char const *cc_auth
; /* Authentication type as string */
1045 struct str cc_user
; /* User (urlxdec()oded) or NULL */
1046 struct str cc_pass
; /* Password (urlxdec()oded) or NULL */
1049 struct time_current
{
1057 FILE *qf_os
; /* Output stream */
1058 char const *qf_pfix
;
1059 ui32_t qf_pfix_len
; /* Length of prefix: 0: bypass */
1060 ui32_t qf_qfold_min
; /* Simple way: wrote prefix? */
1061 #ifdef HAVE_QUOTE_FOLD
1062 ui32_t qf_qfold_max
; /* Otherwise: line lengths */
1063 ui8_t qf_state
; /* *quote-fold* state machine */
1064 bool_t qf_brk_isws
; /* Breakpoint is at WS */
1066 ui32_t qf_wscnt
; /* Whitespace count */
1067 ui32_t qf_brkl
; /* Breakpoint */
1068 ui32_t qf_brkw
; /* Visual width, breakpoint */
1069 ui32_t qf_datw
; /* Current visual output line width */
1070 struct str qf_dat
; /* Current visual output line */
1071 struct str qf_currq
; /* Current quote, compressed */
1072 mbstate_t qf_mbps
[2];
1076 struct search_expr
{
1077 char const *ss_where
; /* to search for the expression (not always used) */
1078 char const *ss_sexpr
; /* String search expression; NULL: use .ss_reexpr */
1085 struct str ev_line
; /* The terminated data to evaluate */
1086 ui32_t ev_line_size
; /* May be used to store line memory size */
1087 bool_t ev_is_recursive
; /* Evaluation in evaluation? (collect ~:) */
1089 bool_t ev_add_history
; /* Enter (final) command in history? */
1090 char const *ev_new_content
; /* History: reenter line, start with this */
1093 struct termios_state
{
1094 struct termios ts_tios
;
1097 bool_t ts_needs_reset
;
1100 #define termios_state_reset() \
1102 if (termios_state.ts_needs_reset) {\
1103 tcsetattr(0, TCSADRAIN, &termios_state.ts_tios);\
1104 termios_state.ts_needs_reset = FAL0;\
1108 struct sock
{ /* data associated with a socket */
1109 int s_fd
; /* file descriptor */
1111 int s_use_ssl
; /* SSL is used */
1112 # ifdef HAVE_OPENSSL
1113 void *s_ssl
; /* SSL object */
1114 void *s_ctx
; /* SSL context object */
1117 char *s_wbuf
; /* for buffered writes */
1118 int s_wbufsize
; /* allocated size of s_buf */
1119 int s_wbufpos
; /* position of first empty data byte */
1120 char *s_rbufptr
; /* read pointer to s_rbuf */
1121 int s_rsz
; /* size of last read in s_rbuf */
1122 char const *s_desc
; /* description of error messages */
1123 void (*s_onclose
)(void); /* execute on close */
1124 char s_rbuf
[LINESIZE
+ 1]; /* for buffered reads */
1129 struct ccred sc_cred
;
1130 struct sock sc_sock
;
1135 MB_NONE
= 000, /* no reply expected */
1136 MB_COMD
= 001, /* command reply expected */
1137 MB_MULT
= 002, /* multiline reply expected */
1138 MB_PREAUTH
= 004, /* not in authenticated state */
1139 MB_BYE
= 010 /* may accept a BYE state */
1141 FILE *mb_itf
; /* temp file with messages, read open */
1142 FILE *mb_otf
; /* same, write open */
1143 char *mb_sorted
; /* sort method */
1145 MB_VOID
, /* no type (e. g. connection failed) */
1146 MB_FILE
, /* local file */
1147 MB_POP3
, /* POP3 mailbox */
1148 MB_IMAP
, /* IMAP mailbox */
1149 MB_MAILDIR
, /* maildir folder */
1150 MB_CACHE
/* cached mailbox */
1151 } mb_type
; /* type of mailbox */
1153 MB_DELE
= 01, /* may delete messages in mailbox */
1154 MB_EDIT
= 02 /* may edit messages in mailbox */
1156 int mb_compressed
; /* is a compressed mbox file */
1157 int mb_threaded
; /* mailbox has been threaded */
1161 MB_UIDPLUS
= 001 /* supports IMAP UIDPLUS */
1163 unsigned long mb_uidvalidity
; /* IMAP unique identifier validity */
1164 char *mb_imap_account
; /* name of current IMAP account */
1165 char *mb_imap_pass
; /* xxx v15-compat URL workaround */
1166 char *mb_imap_mailbox
; /* name of current IMAP mailbox */
1167 char *mb_cache_directory
; /* name of cache directory */
1169 struct sock mb_sock
; /* socket structure */
1173 NEED_UNSPEC
, /* unspecified need, don't fetch */
1174 NEED_HEADER
, /* need the header of a message */
1175 NEED_BODY
/* need header and body of a message */
1179 HAVE_NOTHING
, /* nothing downloaded yet */
1180 HAVE_HEADER
= 01, /* header is downloaded */
1181 HAVE_BODY
= 02 /* entire message is downloaded */
1184 /* flag bits. Attention: Flags that are used in cache.c may not change */
1186 MUSED
= (1<< 0), /* entry is used, but this bit isn't */
1187 MDELETED
= (1<< 1), /* entry has been deleted */
1188 MSAVED
= (1<< 2), /* entry has been saved */
1189 MTOUCH
= (1<< 3), /* entry has been noticed */
1190 MPRESERVE
= (1<< 4), /* keep entry in sys mailbox */
1191 MMARK
= (1<< 5), /* message is marked! */
1192 MODIFY
= (1<< 6), /* message has been modified */
1193 MNEW
= (1<< 7), /* message has never been seen */
1194 MREAD
= (1<< 8), /* message has been read sometime. */
1195 MSTATUS
= (1<< 9), /* message status has changed */
1196 MBOX
= (1<<10), /* Send this to mbox, regardless */
1197 MNOFROM
= (1<<11), /* no From line */
1198 MHIDDEN
= (1<<12), /* message is hidden to user */
1199 MFULLYCACHED
= (1<<13), /* message is completely cached */
1200 MBOXED
= (1<<14), /* message has been sent to mbox */
1201 MUNLINKED
= (1<<15), /* message was unlinked from cache */
1202 MNEWEST
= (1<<16), /* message is very new (newmail) */
1203 MFLAG
= (1<<17), /* message has been flagged recently */
1204 MUNFLAG
= (1<<18), /* message has been unflagged */
1205 MFLAGGED
= (1<<19), /* message is `flagged' */
1206 MANSWER
= (1<<20), /* message has been answered recently */
1207 MUNANSWER
= (1<<21), /* message has been unanswered */
1208 MANSWERED
= (1<<22), /* message is `answered' */
1209 MDRAFT
= (1<<23), /* message has been drafted recently */
1210 MUNDRAFT
= (1<<24), /* message has been undrafted */
1211 MDRAFTED
= (1<<25), /* message is marked as `draft' */
1212 MOLDMARK
= (1<<26), /* messages was marked previously */
1213 MSPAM
= (1<<27) /* message is classified as spam */
1215 #define MMNORM (MDELETED | MSAVED | MHIDDEN)
1216 #define MMNDEL (MDELETED | MHIDDEN)
1218 #define visible(mp) (((mp)->m_flag & MMNDEL) == 0)
1221 enum mflag m_flag
; /* flags */
1222 enum havespec m_have
; /* downloaded parts of the part */
1224 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
1226 int m_block
; /* block number of this part */
1227 size_t m_offset
; /* offset in block of part */
1228 size_t m_size
; /* Bytes in the part */
1229 size_t m_xsize
; /* Bytes in the full part */
1230 long m_lines
; /* Lines in the message */
1231 long m_xlines
; /* Lines in the full message */
1232 time_t m_time
; /* time the message was sent */
1233 char const *m_from
; /* message sender */
1234 struct mimepart
*m_nextpart
; /* next part at same level */
1235 struct mimepart
*m_multipart
; /* parts of multipart */
1236 struct mimepart
*m_parent
; /* enclosing multipart part */
1237 char *m_ct_type
; /* content-type */
1238 char *m_ct_type_plain
; /* content-type without specs */
1239 char *m_ct_type_usr_ovwr
; /* Forcefully overwritten one */
1240 enum mimecontent m_mimecontent
; /* same in enum */
1241 char const *m_charset
; /* charset */
1242 char *m_ct_transfer_enc
; /* content-transfer-encoding */
1243 enum mimeenc m_mimeenc
; /* same in enum */
1244 char *m_partstring
; /* part level string */
1245 char *m_filename
; /* attachment filename */
1249 enum mflag m_flag
; /* flags */
1250 enum havespec m_have
; /* downloaded parts of the message */
1252 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
1254 int m_block
; /* block number of this message */
1255 size_t m_offset
; /* offset in block of message */
1256 size_t m_size
; /* Bytes in the message */
1257 size_t m_xsize
; /* Bytes in the full message */
1258 long m_lines
; /* Lines in the message */
1259 long m_xlines
; /* Lines in the full message */
1260 time_t m_time
; /* time the message was sent */
1261 time_t m_date
; /* time in the 'Date' field */
1262 unsigned m_idhash
; /* hash on Message-ID for threads */
1263 struct message
*m_child
; /* first child of this message */
1264 struct message
*m_younger
; /* younger brother of this message */
1265 struct message
*m_elder
; /* elder brother of this message */
1266 struct message
*m_parent
; /* parent of this message */
1267 unsigned m_level
; /* thread level of message */
1268 long m_threadpos
; /* position in threaded display */
1270 unsigned long m_uid
; /* IMAP unique identifier */
1272 char *m_maildir_file
; /* original maildir file of msg */
1273 ui32_t m_maildir_hash
; /* hash of file name in maildir sub */
1274 int m_collapsed
; /* collapsed thread information */
1277 /* Given a file address, determine the block number it represents */
1278 #define mailx_blockof(off) ((int) ((off) / 4096))
1279 #define mailx_offsetof(off) ((int) ((off) % 4096))
1280 #define mailx_positionof(block, offset) ((off_t)(block) * 4096 + (offset))
1282 /* Argument types */
1284 ARG_MSGLIST
= 0, /* Message list type */
1285 ARG_STRLIST
= 1, /* A pure string */
1286 ARG_RAWLIST
= 2, /* Shell string list */
1287 ARG_NOLIST
= 3, /* Just plain 0 */
1288 ARG_NDMLIST
= 4, /* Message list, no defaults */
1289 ARG_ECHOLIST
= 5, /* Like raw list, but keep quote chars */
1290 ARG_ARGMASK
= 7, /* Mask of the above */
1292 ARG_A
= 1u<< 4, /* Needs an active mailbox */
1293 ARG_F
= 1u<< 5, /* Is a conditional command */
1294 ARG_H
= 1u<< 6, /* Never place in history */
1295 ARG_I
= 1u<< 7, /* Interactive command bit */
1296 ARG_M
= 1u<< 8, /* Legal from send mode bit */
1297 ARG_P
= 1u<< 9, /* Autoprint dot after command */
1298 ARG_R
= 1u<<10, /* Cannot be called from collect / recursion */
1299 ARG_T
= 1u<<11, /* Is a transparent command */
1300 ARG_V
= 1u<<12, /* Places data in temporary_arg_v_store */
1301 ARG_W
= 1u<<13 /* Invalid when read only bit */
1305 GTO
= 1, /* Grab To: line */
1306 GSUBJECT
= 2, /* Likewise, Subject: line */
1307 GCC
= 4, /* And the Cc: line */
1308 GBCC
= 8, /* And also the Bcc: line */
1310 GNL
= 16, /* Print blank line after */
1311 GDEL
= 32, /* Entity removed from list */
1312 GCOMMA
= 64, /* detract puts in commas */
1313 GUA
= 128, /* User-Agent field */
1314 GMIME
= 256, /* MIME 1.0 fields */
1315 GMSGID
= 512, /* a Message-ID */
1317 GIDENT
= 2048, /* From:, Reply-To: and Organization: field */
1318 GREF
= 4096, /* References: field */
1319 GDATE
= 8192, /* Date: field */
1320 GFULL
= 16384, /* include full names */
1321 GSKIN
= 32768, /* skin names */
1322 GEXTRA
= 65536, /* extra fields */
1323 GFILES
= 131072 /* include filename addresses */
1325 #define GMASK (GTO | GSUBJECT | GCC | GBCC)
1327 /* Structure used to pass about the current state of a message (header) */
1329 struct name
*h_to
; /* Dynamic "To:" string */
1330 char *h_subject
; /* Subject string */
1331 struct name
*h_cc
; /* Carbon copies string */
1332 struct name
*h_bcc
; /* Blind carbon copies */
1333 struct name
*h_ref
; /* References */
1334 struct attachment
*h_attach
; /* MIME attachments */
1335 char *h_charset
; /* preferred charset */
1336 struct name
*h_from
; /* overridden "From:" field */
1337 struct name
*h_replyto
; /* overridden "Reply-To:" field */
1338 struct name
*h_sender
; /* overridden "Sender:" field */
1339 char *h_organization
; /* overridden "Organization:" field */
1342 /* Handling of namelist nodes used in processing the recipients of mail and
1343 * aliases, inspection of mail-addresses and all that kind of stuff */
1345 NAME_NAME_SALLOC
= 1<< 0, /* .n_name is doped */
1346 NAME_FULLNAME_SALLOC
= 1<< 1, /* .n_fullname is doped */
1347 NAME_SKINNED
= 1<< 2, /* Is actually skin()ned */
1348 NAME_IDNA
= 1<< 3, /* IDNA was applied */
1349 NAME_ADDRSPEC_CHECKED
= 1<< 4, /* Address has been .. and */
1350 NAME_ADDRSPEC_ISFILE
= 1<< 5, /* ..is a file path */
1351 NAME_ADDRSPEC_ISPIPE
= 1<< 6, /* ..is a command for piping */
1352 NAME_ADDRSPEC_ISFILEORPIPE
= NAME_ADDRSPEC_ISFILE
| NAME_ADDRSPEC_ISPIPE
,
1353 NAME_ADDRSPEC_ERR_EMPTY
= 1<< 7, /* An empty string (or NULL) */
1354 NAME_ADDRSPEC_ERR_ATSEQ
= 1<< 8, /* Weird @ sequence */
1355 NAME_ADDRSPEC_ERR_CHAR
= 1<< 9, /* Invalid character */
1356 NAME_ADDRSPEC_ERR_IDNA
= 1<<10, /* IDNA convertion failed */
1357 NAME_ADDRSPEC_INVALID
= NAME_ADDRSPEC_ERR_EMPTY
|
1358 NAME_ADDRSPEC_ERR_ATSEQ
| NAME_ADDRSPEC_ERR_CHAR
|
1359 NAME_ADDRSPEC_ERR_IDNA
,
1362 _NAME_MAXWC
= 0xFFFFF,
1363 _NAME_MASKWC
= _NAME_MAXWC
<< _NAME_SHIFTWC
1366 /* In the !_ERR_EMPTY case, the failing character can be queried */
1367 #define NAME_ADDRSPEC_ERR_GETWC(F) \
1368 ((((unsigned int)(F) & _NAME_MASKWC) >> _NAME_SHIFTWC) & _NAME_MAXWC)
1369 #define NAME_ADDRSPEC_ERR_SET(F, E, WC) \
1371 (F) = ((F) & ~(NAME_ADDRSPEC_INVALID | _NAME_MASKWC)) |\
1372 (E) | (((unsigned int)(WC) & _NAME_MAXWC) << _NAME_SHIFTWC);\
1376 struct name
*n_flink
; /* Forward link in list. */
1377 struct name
*n_blink
; /* Backward list link */
1378 enum gfield n_type
; /* From which list it came */
1379 enum nameflags n_flags
; /* enum nameflags */
1380 char *n_name
; /* This fella's name */
1381 char *n_fullname
; /* Sometimes, name including comment */
1385 char const *ag_input
; /* Input string as given */
1386 size_t ag_ilen
; /* strlen() of input */
1387 size_t ag_iaddr_start
; /* Start of *addr-spec* in .ag_input */
1388 size_t ag_iaddr_aend
; /* ..and one past its end */
1389 char *ag_skinned
; /* Output (alloced if !=.ag_input) */
1390 size_t ag_slen
; /* strlen() of .ag_skinned */
1391 size_t ag_sdom_start
; /* Start of domain in .ag_skinned, */
1392 enum nameflags ag_n_flags
; /* enum nameflags of .ag_skinned */
1395 /* MIME attachments */
1397 AC_DEFAULT
, /* _get_lc() -> _iter_*() */
1398 AC_FIX_OUTCS
, /* _get_lc() -> "charset=" .a_charset */
1399 AC_FIX_INCS
, /* "charset=".a_input_charset (nocnv) */
1400 AC_TMPFILE
/* attachment.a_tmpf is converted */
1404 struct attachment
*a_flink
; /* Forward link in list. */
1405 struct attachment
*a_blink
; /* Backward list link */
1406 char const *a_name
; /* file name */
1407 char const *a_content_type
; /* content type */
1408 char const *a_content_disposition
; /* content disposition */
1409 char const *a_content_id
; /* content id */
1410 char const *a_content_description
; /* content description */
1411 char const *a_input_charset
; /* Interpretation depends on .a_conv */
1412 char const *a_charset
; /* ... */
1413 FILE *a_tmpf
; /* If AC_TMPFILE */
1414 enum attach_conv a_conv
; /* User chosen conversion */
1415 int a_msgno
; /* message number */
1419 struct header
*sb_hp
;
1422 struct str sb_signer
; /* USER@HOST for signing+ */
1424 struct ccred sb_ccred
;
1428 struct group
*ge_link
; /* Next person in this group */
1429 char *ge_name
; /* This person's user name */
1433 struct grouphead
*g_link
; /* Next grouphead in list */
1434 char *g_name
; /* Name of this group */
1435 struct group
*g_list
; /* Users in group. */
1438 /* Structure of the hash table of ignored header fields */
1440 int i_count
; /* Number of entries */
1442 struct ignore
*i_link
; /* Next ignored field in bucket */
1443 char *i_field
; /* This ignored field */
1447 /* For the 'shortcut' and 'unshortcut' functionality */
1449 struct shortcut
*sh_next
; /* next shortcut in list */
1450 char *sh_short
; /* shortcut string */
1451 char *sh_long
; /* expanded form */
1454 /* For saving the current directory and later returning */
1459 char cw_wd
[PATH_MAX
];
1464 * Global variable declarations
1466 * These become instantiated in main.c.
1471 # ifndef HAVE_AMALGAMATION
1480 VL gid_t effectivegid
; /* Saved from when we started up */
1481 VL gid_t realgid
; /* Saved from when we started up */
1483 VL
int mb_cur_max
; /* Value of MB_CUR_MAX */
1484 VL
int realscreenheight
; /* The real screen height */
1485 VL
int scrnwidth
; /* Screen width, or best guess */
1486 VL
int scrnheight
; /* Screen height/guess (4 header) */
1487 VL
int enc_has_state
; /* Encoding has shift states */
1489 VL
char **altnames
; /* List of alternate names of user */
1490 VL
char const *homedir
; /* Path name of home directory */
1491 VL
char const *myname
; /* My login name */
1492 VL
char const *progname
; /* Our name */
1493 VL
char const *tempdir
; /* The temporary directory */
1495 VL
int exit_status
; /* Exit status */
1496 VL
int options
; /* Bits of enum user_options */
1497 VL
char *option_r_arg
; /* Argument to -r option */
1498 VL
char const **smopts
; /* sendmail(1) opts from commline */
1499 VL
size_t smopts_count
; /* Entries in smopts */
1501 /* TODO Join as many of these state machine bits into a single carrier! */
1502 VL
int inhook
; /* Currently executing a hook */
1503 VL bool_t exec_last_comm_error
; /* Last execute() command failed */
1504 VL bool_t edit
; /* Indicates editing a file */
1505 VL bool_t did_print_dot
; /* Current message has been printed */
1506 VL bool_t list_saw_numbers
; /* Last *LIST saw numerics */
1507 VL bool_t msglist_is_single
; /* Last NDMLIST/MSGLIST chose 1 msg */
1508 VL bool_t loading
; /* Loading user definitions */
1509 VL bool_t sourcing
; /* Currently reading variant file */
1510 VL bool_t sawcom
; /* Set after first command */
1511 VL bool_t starting
; /* Still in startup code */
1512 VL bool_t var_clear_allow_undefined
; /* v?ok_[bv]clear(): no complain */
1513 VL
int noreset
; /* String resets suspended */
1515 /* XXX stylish sorting */
1516 VL
int msgCount
; /* Count of messages read in */
1517 VL
struct mailbox mb
; /* Current mailbox */
1518 VL
int image
; /* File descriptor for msg image */
1519 VL
char mailname
[PATH_MAX
]; /* Name of current file TODO URL/object*/
1520 VL
char displayname
[80 - 40]; /* Prettyfied for display TODO URL/obj*/
1521 VL
char prevfile
[PATH_MAX
]; /* Name of previous file TODO URL/obj */
1522 VL
char const *account_name
; /* Current account name or NULL */
1523 VL off_t mailsize
; /* Size of system mailbox */
1524 VL
struct message
*dot
; /* Pointer to current message */
1525 VL
struct message
*prevdot
; /* Previous current message */
1526 VL
struct message
*message
; /* The actual message structure */
1527 VL
struct message
*threadroot
; /* first threaded message */
1528 VL
int imap_created_mailbox
; /* hack to get feedback from imap */
1530 VL
struct grouphead
*groups
[HSHSIZE
]; /* Pointer to active groups */
1531 VL
struct ignoretab ignore
[2]; /* ignored and retained fields
1532 * 0 is ignore, 1 is retain */
1533 VL
struct ignoretab saveignore
[2]; /* ignored and retained fields
1534 * on save to folder */
1535 VL
struct ignoretab allignore
[2]; /* special, ignore all headers */
1536 VL
struct ignoretab fwdignore
[2]; /* fields to ignore for forwarding */
1537 VL
struct shortcut
*shortcuts
; /* list of shortcuts */
1539 VL
struct time_current time_current
; /* time(3); send: mail1() XXXcarrier */
1540 VL
struct termios_state termios_state
; /* getpassword(); see commands().. */
1543 VL
struct colour_table
*colour_table
;
1547 VL
enum ssl_verify_level ssl_verify_level
; /* SSL verification level */
1554 VL sigjmp_buf srbuf
;
1556 VL sighandler_type dflpipe
;
1557 VL sighandler_type handlerstacktop
;
1558 #define handlerpush(f) (savedtop = handlerstacktop, handlerstacktop = (f))
1559 #define handlerpop() (handlerstacktop = savedtop)
1561 /* TODO Temporary hacks unless the codebase doesn't jump and uses pass-by-value
1562 * TODO carrier structs instead of locals */
1563 VL
char *temporary_arg_v_store
;
1564 VL
void *temporary_localopts_store
;
1565 /* TODO temporary storage to overcome which_protocol() mess (for PROTO_FILE) */
1566 VL
char const *temporary_protocol_ext
;
1568 /* The remaining variables need initialization */
1570 #ifndef HAVE_AMALGAMATION
1571 VL
char const month_names
[12 + 1][4];
1572 VL
char const weekday_names
[7 + 1][4];
1574 VL
char const uagent
[]; /* User agent */
1575 VL
char const version
[]; /* The version string */
1576 VL
char const features
[]; /* The "feature string" */
1578 VL uc_it
const class_char
[];
1582 * Finally, let's include the function prototypes XXX embed
1585 #include "nailfuns.h"