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 - 2015 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. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * Mail -- a mail program
39 * Author: Kurt Shoens (UCB) March 25, 1978
45 #include <sys/types.h>
47 #ifdef HAVE_GETTIMEOFDAY
48 # include <sys/time.h>
64 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
67 # include <inttypes.h>
84 #ifdef HAVE_OPENSSL_MD5
85 # include <openssl/md5.h>
89 * Constants, some nail-specific macros
92 #if !defined NI_MAXHOST
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 */
105 #ifndef HOST_NAME_MAX
106 # ifdef _POSIX_HOST_NAME_MAX
107 # define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
109 # define HOST_NAME_MAX 255
114 # ifdef _POSIX_NAME_MAX
115 # define NAME_MAX _POSIX_NAME_MAX
121 # error NAME_MAX too small
125 # define STDIN_FILENO 0
127 #ifndef STDOUT_FILENO
128 # define STDOUT_FILENO 1
130 #ifndef STDERR_FILENO
131 # define STDERR_FILENO 2
136 # define NSIG NSIG_MAX
138 # define NSIG ((sizeof(sigset_t) * 8) - 1)
142 # define _O_CLOEXEC O_CLOEXEC
143 # define _CLOEXEC_SET(FD) do {;} while(0)
145 # define _O_CLOEXEC 0
146 # define _CLOEXEC_SET(FD) \
147 do { (void)fcntl((FD), F_SETFD, FD_CLOEXEC); } while (0)
152 #if BUFSIZ + 0 > 2560 /* TODO simply use BUFSIZ? */
153 # define LINESIZE BUFSIZ /* max readable line width */
155 # define LINESIZE 2560
157 #define BUFFER_SIZE (BUFSIZ >= (1u << 13) ? BUFSIZ : (1u << 14))
159 /* Network protocol newline */
160 #define NETNL "\015\012"
161 #define NETLINE(X) X NETNL
163 /* Number of Not-Yet-Dead calls that are remembered */
164 #if defined HAVE_DEBUG || defined HAVE_DEVEL || defined HAVE_NYD2
166 # define NYD_CALLS_MAX (25 * 84)
167 # elif defined HAVE_DEVEL
168 # define NYD_CALLS_MAX (25 * 42)
170 # define NYD_CALLS_MAX (25 * 10)
174 #define APPEND /* New mail goes to end of mailbox */
175 #define CBAD (-15555)
176 #define DOTLOCK_TRIES 5 /* Number of open(2) calls for dotlock */
177 #define FILE_LOCK_TRIES 10 /* Maximum tries before file_lock() fails */
178 #define ERRORS_MAX 1000 /* Maximum error ring entries TODO configable*/
179 #define ESCAPE '~' /* Default escape for sending */
180 #define FIO_STACK_SIZE 20 /* Maximum recursion for sourcing */
181 #define HIST_SIZE 242 /* tty.c: history list default size */
182 #define HSHSIZE 23 /* Hash prime TODO make dynamic, obsolete */
183 #define MAXARGC 1024 /* Maximum list of raw strings */
184 #define MAXEXP 25 /* Maximum expansion of aliases */
185 #define PROMPT_BUFFER_SIZE 80 /* getprompt() bufsize (> 3!) */
186 #define REFERENCES_MAX 20 /* Maximum entries in References: */
187 #define FTMP_OPEN_TRIES 10 /* Maximum number of Ftmp() open(2) tries */
189 #define ACCOUNT_NULL "null" /* Name of "null" account */
190 #define MAILRC "~/.mailrc"
191 #define NETRC "~/.netrc"
192 #define TMPDIR_FALLBACK "/tmp"
194 /* Some environment variables for pipe hooks */
195 #define AGENT_USER "NAIL_USER"
196 #define AGENT_USER_ENC "NAIL_USER_ENC"
197 #define AGENT_HOST "NAIL_HOST"
198 #define AGENT_HOST_PORT "NAIL_HOST_PORT"
202 # define n_COLOUR(X) X
207 /* Special FD requests for run_command() / start_command() */
208 #define COMMAND_FD_PASS -1
209 #define COMMAND_FD_NULL -2
212 #define FROM_DATEBUF 64 /* Size of RFC 4155 From_ line date */
213 #define DATE_DAYSYEAR 365L
214 #define DATE_SECSMIN 60L
215 #define DATE_MINSHOUR 60L
216 #define DATE_HOURSDAY 24L
217 #define DATE_SECSDAY (DATE_SECSMIN * DATE_MINSHOUR * DATE_HOURSDAY)
219 /* *indentprefix* default as of POSIX */
220 #define INDENT_DEFAULT "\t"
222 /* Default *encoding* as enum mime_enc below */
223 #define MIME_DEFAULT_ENCODING MIMEE_QP
225 /* Maximum allowed line length in a mail before QP folding is necessary), and
226 * the real limit we go for */
227 #define MIME_LINELEN_MAX 998 /* Plus CRLF */
228 #define MIME_LINELEN_LIMIT (MIME_LINELEN_MAX - 48)
231 #define MIME_LINELEN 78 /* Plus CRLF */
233 /* And in headers which contain an encoded word according to RFC 2047 there is
234 * yet another limit; also RFC 2045: 6.7, (5). */
235 #define MIME_LINELEN_RFC2047 76
237 /* Locations of mime.types(5) */
238 #define MIME_TYPES_USR "~/.mime.types"
239 #define MIME_TYPES_SYS "/etc/mime.types"
241 /* Fallback MIME charsets, if *charset-7bit* and *charset-8bit* or not set.
242 * (Keep in SYNC: ./nail.1:"Character sets", ./nail.h:CHARSET_*!) */
243 #define CHARSET_7BIT "US-ASCII"
245 # define CHARSET_8BIT "UTF-8"
246 # define CHARSET_8BIT_OKEY charset_8bit
248 # define CHARSET_8BIT "ISO-8859-1"
249 # define CHARSET_8BIT_OKEY ttycharset
252 /* Some environment variables for pipe hooks etc. */
253 #define NAILENV_TMPDIR "NAIL_TMPDIR"
254 #define NAILENV_FILENAME "NAIL_FILENAME"
255 #define NAILENV_FILENAME_GENERATED "NAIL_FILENAME_GENERATED"
256 #define NAILENV_FILENAME_TEMPORARY "NAIL_FILENAME_TEMPORARY"
257 #define NAILENV_CONTENT "NAIL_CONTENT"
258 #define NAILENV_CONTENT_EVIDENCE "NAIL_CONTENT_EVIDENCE"
260 /* Is *W* a quoting (ASCII only) character? */
262 ((W) == L'>' || (W) == L'|' || (W) == L'}' || (W) == L':')
264 /* Maximum number of quote characters (not bytes!) that'll be used on
265 * follow lines when compressing leading quote characters */
268 /* How much spaces should a <tab> count when *quote-fold*ing? (power-of-two!) */
269 #define QUOTE_TAB_SPACES 8
271 /* Maximum size of a message that is passed through to the spam system */
272 #define SPAM_MAXSIZE 420000
274 /* String dope: dynamic buffer size, and size of the single builtin one that's
275 * used first; note that these value include the size of the structure */
276 #define SBUFFER_SIZE ((0x10000u >> 1u) - 0x400)
277 #define SBUFFER_BUILTIN (0x10000u >> 1u)
279 /* Switch indicating necessity of terminal access interface (termcap.c) */
280 #if defined HAVE_TERMCAP || defined HAVE_COLOUR || defined HAVE_MLE
284 /* These come from the configuration (named Xxy to not clash with sh(1)..) */
286 # define XSHELL "/bin/sh"
289 # define XLISTER "ls"
292 # define XPAGER "more"
296 * OS, CC support, generic macros etc.
299 /* OS: we're not a library, only set what needs special treatment somewhere */
300 #define OS_DRAGONFLY 0
306 # define OS_DRAGONFLY 1
307 #elif defined __solaris__ || defined __sun
308 # if defined __SVR4 || defined __svr4__
310 # define OS_SOLARIS 1
319 #define PREREQ_CLANG(X,Y) 0
321 #define PREREQ_GCC(X,Y) 0
323 #define PREREQ_TCC(X,Y) 0
329 # define PREREQ_CLANG(X,Y) \
330 (__clang_major__ + 0 > (X) || \
331 (__clang_major__ + 0 == (X) && __clang_minor__ + 0 >= (Y)))
332 # define __EXTEN __extension__
334 #elif defined __GNUC__
338 # define PREREQ_GCC(X,Y) \
339 (__GNUC__ + 0 > (X) || (__GNUC__ + 0 == (X) && __GNUC_MINOR__ + 0 >= (Y)))
340 # define __EXTEN __extension__
342 #elif defined __TINYC__
351 /* Suppress some technical warnings via #pragma's unless developing.
352 * XXX Wild guesses: clang(1) 1.7 and (OpenBSD) gcc(1) 4.2.1 don't work */
354 # if PREREQ_CLANG(3, 4)
355 # pragma clang diagnostic ignored "-Wunused-result"
356 # pragma clang diagnostic ignored "-Wformat"
357 # elif PREREQ_GCC(4, 7)
358 # pragma GCC diagnostic ignored "-Wunused-local-typedefs"
359 # pragma GCC diagnostic ignored "-Wunused-result"
360 # pragma GCC diagnostic ignored "-Wformat"
364 /* For injection macros like DBG(), NATCH_CHAR() */
367 #define EMPTY_FILE() typedef int CONCAT(avoid_empty_file__, n_FILE);
369 /* Pointer to size_t */
370 #define PTR2SIZE(X) ((size_t)(uintptr_t)(X))
372 /* Pointer comparison (types from below) */
373 #define PTRCMP(A,C,B) ((uintptr_t)(A) C (uintptr_t)(B))
375 /* Ditto, compare (maybe mixed-signed) integers cases to T bits, unsigned;
376 * Note: doesn't sign-extend correctly, that's still up to the caller */
377 #define UICMP(T,A,C,B) ((ui ## T ## _t)(A) C (ui ## T ## _t)(B))
379 /* Align something to a size/boundary that cannot cause just any problem */
380 #define n_ALIGN(X) (((X) + 2*sizeof(void*)) & ~((2*sizeof(void*)) - 1))
382 /* Members in constant array */
384 # define NELEM(A) (sizeof(A) / sizeof(A[0]))
387 /* sizeof() for member fields */
388 #define SIZEOF_FIELD(T,F) sizeof(((T *)NULL)->F)
390 /* Casts-away (*NOT* cast-away) */
391 #define UNUSED(X) ((void)(X))
392 #define UNCONST(P) ((void*)(uintptr_t)(void const*)(P))
393 #define UNVOLATILE(P) ((void*)(uintptr_t)(void volatile*)(P))
394 #define UNXXX(T,C,P) ((T)(uintptr_t)(C)(P))
396 /* __STDC_VERSION__ is ISO C99, so also use __STDC__, which should work */
397 #if defined __STDC__ || defined __STDC_VERSION__ /*|| defined __cplusplus*/
398 # define STRING(X) #X
399 # define XSTRING(X) STRING(X)
400 # define CONCAT(S1,S2) _CONCAT(S1, S2)
401 # define _CONCAT(S1,S2) S1 ## S2
403 # define STRING(X) "X"
404 # define XSTRING STRING
405 # define CONCAT(S1,S2) S1/**/S2
408 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
409 # define n_FIELD_INITN(N) CONCAT(., N) =
410 # define n_FIELD_INITI(I) [I] =
412 # define n_FIELD_INITN(N)
413 # define n_FIELD_INITI(N)
416 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
417 # define VFIELD_SIZE(X)
418 # define VFIELD_SIZEOF(T,F) (0)
419 # define VSTRUCT_SIZEOF(T,F) sizeof(T)
421 # define VFIELD_SIZE(X) \
422 ((X) == 0 ? sizeof(size_t) \
423 : ((ssize_t)(X) < 0 ? sizeof(size_t) - ABS(X) : (size_t)(X)))
424 # define VFIELD_SIZEOF(T,F) SIZEOF_FIELD(T, F)
425 # define VSTRUCT_SIZEOF(T,F) (sizeof(T) - SIZEOF_FIELD(T, F))
429 # define SINLINE n_INLINE /* TODO obsolete */
431 # define SINLINE static
435 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
436 # define __FUN__ __func__
437 #elif CC_CLANG || PREREQ_GCC(3, 4)
438 # define __FUN__ __extension__ __FUNCTION__
440 # define __FUN__ uagent /* Something that is not a literal */
443 #if defined __predict_true && defined __predict_false
444 # define LIKELY(X) __predict_true(X)
445 # define UNLIKELY(X) __predict_false(X)
446 #elif CC_CLANG || PREREQ_GCC(2, 96)
447 # define LIKELY(X) __builtin_expect(X, 1)
448 # define UNLIKELY(X) __builtin_expect(X, 0)
450 # define LIKELY(X) (X)
451 # define UNLIKELY(X) (X)
454 #undef HAVE_NATCH_CHAR
456 #if defined HAVE_SETLOCALE && defined HAVE_C90AMEND1 && defined HAVE_WCWIDTH
457 # define HAVE_NATCH_CHAR
458 # define NATCH_CHAR(X) X
460 # define NATCH_CHAR(X)
463 /* Compile-Time-Assert
464 * Problem is that some compilers warn on unused local typedefs, so add
465 * a special local CTA to overcome this */
466 #define CTA(TEST) _CTA_1(TEST, n_FILE, __LINE__)
467 #define LCTA(TEST) _LCTA_1(TEST, n_FILE, __LINE__)
469 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 201112L
470 # define n_CTA(T,M) _Static_assert(T, M)
471 # define n_LCTA(T,M) _Static_assert(T, M)
473 # define n_CTA(T,M) _CTA_1(T, n_FILE, __LINE__)
474 # define n_LCTA(T,M) _LCTA_1(T, n_FILE, __LINE__)
476 #define n_CTAV(T) n_CTA(T, "Unexpected value of constant")
477 #define n_LCTAV(T) n_LCTA(T, "Unexpected value of constant")
480 # define n_MCTA(T,M) n_CTA(T, M);
485 #define _CTA_1(T,F,L) _CTA_2(T, F, L)
486 #define _CTA_2(T,F,L) \
487 typedef char ASSERTION_failed_in_file_## F ## _at_line_ ## L[(T) ? 1 : -1]
488 #define _LCTA_1(T,F,L) _LCTA_2(T, F, L)
489 #define _LCTA_2(T,F,L) \
491 typedef char ASSERTION_failed_in_file_## F ## _at_line_ ## L[(T) ? 1 : -1];\
492 ASSERTION_failed_in_file_## F ## _at_line_ ## L __i_am_unused__;\
493 UNUSED(__i_am_unused__);\
496 #define UNINIT(N,V) N = V
499 #define ISPOW2(X) ((((X) - 1) & (X)) == 0)
501 #define MIN(A, B) ((A) < (B) ? (A) : (B))
503 #define MAX(A, B) ((A) < (B) ? (B) : (A))
505 #define ABS(A) ((A) < 0 ? -(A) : (A))
511 # define assert(X) UNUSED(0)
514 # define DBGOR(X,Y) Y
518 # define DBGOR(X,Y) X
521 /* Translation (init in main.c) */
534 # define UI8_MAX UINT8_MAX
535 # define SI8_MIN INT8_MIN
536 # define SI8_MAX INT8_MAX
537 typedef uint8_t ui8_t
;
538 typedef int8_t si8_t
;
539 #elif UCHAR_MAX != 255
540 # error UCHAR_MAX must be 255
542 # define UI8_MAX UCHAR_MAX
543 # define SI8_MIN CHAR_MIN
544 # define SI8_MAX CHAR_MAX
545 typedef unsigned char ui8_t
;
546 typedef signed char si8_t
;
549 #if !defined PRIu8 || !defined PRId8
557 # define UI16_MAX UINT16_MAX
558 # define SI16_MIN INT16_MIN
559 # define SI16_MAX INT16_MAX
560 typedef uint16_t ui16_t
;
561 typedef int16_t si16_t
;
562 #elif USHRT_MAX != 0xFFFFu
563 # error USHRT_MAX must be 0xFFFF
565 # define UI16_MAX USHRT_MAX
566 # define SI16_MIN SHRT_MIN
567 # define SI16_MAX SHRT_MAX
568 typedef unsigned short ui16_t
;
569 typedef signed short si16_t
;
572 #if !defined PRIu16 || !defined PRId16
575 # if UI16_MAX == UINT_MAX
585 # define UI32_MAX UINT32_MAX
586 # define SI32_MIN INT32_MIN
587 # define SI32_MAX INT32_MAX
588 typedef uint32_t ui32_t
;
589 typedef int32_t si32_t
;
590 #elif ULONG_MAX == 0xFFFFFFFFu
591 # define UI32_MAX ULONG_MAX
592 # define SI32_MIN LONG_MIN
593 # define SI32_MAX LONG_MAX
594 typedef unsigned long int ui32_t
;
595 typedef signed long int si32_t
;
596 #elif UINT_MAX != 0xFFFFFFFFu
597 # error UINT_MAX must be 0xFFFFFFFF
599 # define UI32_MAX UINT_MAX
600 # define SI32_MIN INT_MIN
601 # define SI32_MAX INT_MAX
602 typedef unsigned int ui32_t
;
603 typedef signed int si32_t
;
606 #if !defined PRIu32 || !defined PRId32
609 # if UI32_MAX == ULONG_MAX
619 # define UI64_MAX UINT64_MAX
620 # define SI64_MIN INT64_MIN
621 # define SI64_MAX INT64_MAX
622 typedef uint64_t ui64_t
;
623 typedef int64_t si64_t
;
624 #elif ULONG_MAX <= 0xFFFFFFFFu
625 # if !defined ULLONG_MAX || (ULLONG_MAX >> 31) < 0xFFFFFFFFu
626 # error We need a 64 bit integer
628 # define UI64_MAX ULLONG_MAX
629 # define SI64_MIN LLONG_MIN
630 # define SI64_MAX LLONG_MAX
631 __EXTEN
typedef unsigned long long ui64_t
;
632 __EXTEN
typedef signed long long si64_t
;
635 # define UI64_MAX ULONG_MAX
636 # define SI64_MIN LONG_MIN
637 # define SI64_MAX LONG_MAX
638 typedef unsigned long ui64_t
;
639 typedef signed long si64_t
;
642 #if !defined PRIu64 || !defined PRId64 || !defined PRIX64
646 # if defined ULLONG_MAX && UI64_MAX == ULLONG_MAX
647 # define PRIu64 "llu"
648 # define PRId64 "lld"
649 # define PRIX64 "llX"
657 /* (So that we can use UICMP() for size_t comparison, too) */
658 typedef size_t uiz_t
;
659 typedef ssize_t siz_t
;
663 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
666 # define UIZ_MAX SIZE_MAX
667 #elif defined SIZE_MAX
668 /* UnixWare has size_t as unsigned as required but uses a signed limit
669 * constant (which is thus false!) */
670 # if SIZE_MAX == UI64_MAX || SIZE_MAX == SI64_MAX
671 # define PRIuZ PRIu64
672 # define PRIdZ PRId64
673 n_MCTA(sizeof(size_t) == sizeof(ui64_t
),
674 "Format string mismatch, compile with ISO C99 compiler (-std=c99)!")
675 # elif SIZE_MAX == UI32_MAX || SIZE_MAX == SI32_MAX
676 # define PRIuZ PRIu32
677 # define PRIdZ PRId32
678 n_MCTA(sizeof(size_t) == sizeof(ui32_t
),
679 "Format string mismatch, compile with ISO C99 compiler (-std=c99)!")
681 # error SIZE_MAX is neither UI64_MAX nor UI32_MAX (please report this)
683 # define UIZ_MAX SIZE_MAX
688 n_MCTA(sizeof(size_t) == sizeof(unsigned long),
689 "Format string mismatch, compile with ISO C99 compiler (-std=c99)!")
690 # define UIZ_MAX ULONG_MAX
695 # define uintptr_t size_t
696 # define UINTPTR_MAX SIZE_MAX
698 # define uintptr_t unsigned long
699 # define UINTPTR_MAX ULONG_MAX
703 #if !defined PRIuPTR || !defined PRIXPTR
706 # if UINTPTR_MAX == ULONG_MAX
707 # define PRIuPTR "lu"
708 # define PRIXPTR "lX"
715 enum {FAL0
, TRU1
, TRUM1
= -1};
716 typedef si8_t bool_t
;
718 /* Add shorter aliases for "normal" integers */
719 typedef unsigned long ul_i
;
720 typedef unsigned int ui_i
;
721 typedef unsigned short us_i
;
722 typedef unsigned char uc_i
;
724 typedef signed long sl_i
;
725 typedef signed int si_i
;
726 typedef signed short ss_i
;
727 typedef signed char sc_i
;
729 typedef void ( *sighandler_type
)(int);
732 AUTHTYPE_NONE
= 1<<0,
733 AUTHTYPE_PLAIN
= 1<<1, /* POP3: APOP is covered by this */
734 AUTHTYPE_LOGIN
= 1<<2,
735 AUTHTYPE_CRAM_MD5
= 1<<3,
736 AUTHTYPE_GSSAPI
= 1<<4
739 enum expand_addr_flags
{
740 EAF_NONE
= 0, /* -> EAF_NOFILE | EAF_NOPIPE */
741 EAF_RESTRICT
= 1<<0, /* "restrict" (do unless interaktive / -[~#]) */
742 EAF_FAIL
= 1<<1, /* "fail" */
743 /* Bits reused by enum expand_addr_check_mode! */
744 EAF_FILE
= 1<<3, /* +"file" targets */
745 EAF_PIPE
= 1<<4, /* +"pipe" command pipe targets */
746 EAF_NAME
= 1<<5, /* +"name"s (non-address) names / MTA aliases */
747 EAF_ADDR
= 1<<6, /* +"addr" network address (contain "@") */
749 EAF_TARGET_MASK
= EAF_FILE
| EAF_PIPE
| EAF_NAME
| EAF_ADDR
,
750 EAF_RESTRICT_TARGETS
= EAF_NAME
| EAF_ADDR
/* (default set if not set) */
753 enum expand_addr_check_mode
{
754 EACM_NONE
= 0, /* Don't care about *expandaddr* */
755 EACM_NORMAL
= 1<<0, /* Use our normal *expandaddr* checking */
756 EACM_STRICT
= 1<<1, /* Never allow any file or pipe addresse */
757 EACM_MODE_MASK
= 0x3, /* _NORMAL and _STRICT are mutual! */
759 EACM_NOLOG
= 1<<2, /* Don't log check errors */
761 /* Some special overwrites of EAF_TARGETs.
762 * May NOT clash with EAF_* bits which may be ORd to these here! */
768 /* We do have several contexts of colour IDs; since only one of them can be
769 * active at any given time let's share the value range */
779 n_COLOUR_ID_SUM_DOTMARK
= 0,
780 n_COLOUR_ID_SUM_HEADER
,
781 n_COLOUR_ID_SUM_THREAD
,
783 /* Message display */
784 n_COLOUR_ID_VIEW_FROM_
= 0,
785 n_COLOUR_ID_VIEW_HEADER
,
786 n_COLOUR_ID_VIEW_MSGINFO
,
787 n_COLOUR_ID_VIEW_PARTINFO
,
789 /* Mailx-Line-Editor */
790 n_COLOUR_ID_MLE_POSITION
= 0,
791 n_COLOUR_ID_MLE_PROMPT
,
793 n__COLOUR_IDS
= n_COLOUR_ID_VIEW_PARTINFO
+ 1
796 /* Colour preconditions, let's call them tags, cannot be an enum because for
797 * message display they are the actual header name of the current header. Thus
798 * let's use constants of pseudo pointers */
799 # define n_COLOUR_TAG_SUM_DOT ((char*)-2)
800 # define n_COLOUR_TAG_SUM_OLDER ((char*)-3)
801 #endif /* HAVE_COLOUR */
804 CONV_NONE
, /* no conversion */
805 CONV_7BIT
, /* no conversion, is 7bit */
806 CONV_FROMQP
, /* convert from quoted-printable */
807 CONV_TOQP
, /* convert to quoted-printable */
808 CONV_8BIT
, /* convert to 8bit (iconv) */
809 CONV_FROMB64
, /* convert from base64 */
810 CONV_FROMB64_T
, /* convert from base64/text */
811 CONV_TOB64
, /* convert to base64 */
812 CONV_FROMHDR
, /* convert from RFC1522 format */
813 CONV_TOHDR
, /* convert to RFC1522 format */
814 CONV_TOHDR_A
/* convert addresses for header */
824 DLS_CANT_CHDIR
, /* Failed to chdir(2) into desired path */
825 DLS_NAMETOOLONG
, /* Lock file name would be too long */
826 DLS_ROFS
, /* Read-only filesystem (no error, mailbox RO) */
827 DLS_NOPERM
, /* No permission to creat lock file */
828 DLS_NOEXEC
, /* Privilege separated dotlocker not found */
829 DLS_PRIVFAILED
, /* Rising privileges failed in dotlocker */
830 DLS_EXIST
, /* Lock file already exists, stale lock? */
831 DLS_FISHY
, /* Something makes us think bad of situation */
832 DLS_DUNNO
, /* Catch-all error */
833 DLS_PING
, /* Not an error, but have to wait for lock */
834 DLS_ABANDON
= 1<<7 /* ORd to any but _NONE: give up, don't retry */
838 EXIT_OK
= EXIT_SUCCESS
,
839 EXIT_ERR
= EXIT_FAILURE
,
840 EXIT_USE
= 64, /* sysexits.h:EX_USAGE */
841 EXIT_NOUSER
= 67, /* :EX_NOUSER */
842 EXIT_COLL_ABORT
= 1<<1, /* Message collection was aborted */
843 EXIT_SEND_ERROR
= 1<<2 /* Unspecified send error occurred */
848 FEDIT_SYSBOX
= 1<<0, /* %: prefix */
849 FEDIT_RDONLY
= 1<<1, /* Readonly (per-box, OPT_R_FLAG is global) */
850 FEDIT_NEWMAIL
= 1<<2 /* `newmail' operation TODO OBSOLETE THIS! */
854 FEXP_FULL
, /* Full expansion */
855 FEXP_LOCAL
= 1<<0, /* Result must be local file/maildir */
856 FEXP_SHELL
= 1<<1, /* No folder %,#,&,+ stuff, yet sh(1) */
857 FEXP_NSHORTCUT
= 1<<2, /* Don't expand shortcuts */
858 FEXP_SILENT
= 1<<3, /* Don't print but only return errors */
859 FEXP_MULTIOK
= 1<<4, /* Expansion to many entries is ok */
860 FEXP_NSHELL
= 1<<5 /* Don't do shell word exp. (but ~/, $VAR) */
863 enum file_lock_type
{
869 MIME_UNKNOWN
, /* unknown content */
870 MIME_SUBHDR
, /* inside a multipart subheader */
871 MIME_822
, /* message/rfc822 content */
872 MIME_MESSAGE
, /* other message/ content */
873 MIME_TEXT_PLAIN
, /* text/plain content */
874 MIME_TEXT_HTML
, /* text/html content */
875 MIME_TEXT
, /* other text/ content */
876 MIME_ALTERNATIVE
, /* multipart/alternative content */
877 MIME_RELATED
, /* mime/related (RFC 2387) */
878 MIME_DIGEST
, /* multipart/digest content */
879 MIME_MULTI
, /* other multipart/ content */
880 MIME_PKCS7
, /* PKCS7 content */
881 MIME_DISCARD
/* content is discarded */
884 enum mime_counter_evidence
{
886 MIMECE_SET
= 1<<0, /* *mime-counter-evidence* was set */
887 MIMECE_BIN_OVWR
= 1<<1, /* appli../octet-stream: check, ovw if possible */
888 MIMECE_ALL_OVWR
= 1<<2, /* all: check, ovw if possible */
889 MIMECE_BIN_PARSE
= 1<<3 /* appli../octet-stream: classify contents last */
892 /* Content-Transfer-Encodings as defined in RFC 2045:
893 * - Quoted-Printable, section 6.7
894 * - Base64, section 6.8 */
895 #define QP_LINESIZE (4 * 19) /* Max. compliant QP linesize */
897 #define B64_LINESIZE (4 * 19) /* Max. compliant Base64 linesize */
898 #define B64_ENCODE_INPUT_PER_LINE 57 /* Max. input for Base64 encode/line */
901 MIMEE_NONE
, /* message is not in MIME format */
902 MIMEE_BIN
, /* message is in binary encoding */
903 MIMEE_8B
, /* message is in 8bit encoding */
904 MIMEE_7B
, /* message is in 7bit encoding */
905 MIMEE_QP
, /* message is quoted-printable */
906 MIMEE_B64
/* message is in base64 encoding */
909 /* xxx QP came later, maybe rewrite all to use mime_enc_flags directly? */
910 enum mime_enc_flags
{
912 MIMEEF_SALLOC
= 1<<0, /* Use salloc(), not srealloc().. */
913 /* ..result .s,.l point to user buffer of *_LINESIZE+[+[+]] bytes instead */
915 MIMEEF_CRLF
= 1<<2, /* (encode) Append "\r\n" to lines */
916 MIMEEF_LF
= 1<<3, /* (encode) Append "\n" to lines */
917 /* (encode) If one of _CRLF/_LF is set, honour *_LINESIZE+[+[+]] and
918 * inject the desired line-ending whenever a linewrap is desired */
919 MIMEEF_MULTILINE
= 1<<4,
920 /* (encode) Quote with header rules, do not generate soft NL breaks?
921 * For mustquote(), specifies wether special RFC 2047 header rules
922 * should be used instead */
923 MIMEEF_ISHEAD
= 1<<5,
924 /* (encode) Ditto; for mustquote() this furtherly fine-tunes behaviour in
925 * that characters which would not be reported as "must-quote" when
926 * detecting wether quoting is necessary at all will be reported as
927 * "must-quote" if they have to be encoded in an encoded word */
928 MIMEEF_ISENCWORD
= 1<<6,
933 QP_NONE
= MIMEEF_NONE
,
934 QP_SALLOC
= MIMEEF_SALLOC
,
936 QP_ISHEAD
= MIMEEF_ISHEAD
,
937 QP_ISENCWORD
= MIMEEF_ISENCWORD
941 B64_NONE
= MIMEEF_NONE
,
942 B64_SALLOC
= MIMEEF_SALLOC
,
943 B64_BUF
= MIMEEF_BUF
,
944 B64_CRLF
= MIMEEF_CRLF
,
946 B64_MULTILINE
= MIMEEF_MULTILINE
,
947 /* Not used, but for clarity only */
948 B64_ISHEAD
= MIMEEF_ISHEAD
,
949 B64_ISENCWORD
= MIMEEF_ISENCWORD
,
950 /* Special version of Base64, "Base64URL", according to RFC 4648.
951 * Only supported for encoding! */
952 B64_RFC4648URL
= 1<<(__MIMEEF_LAST
+1),
953 /* Don't use any ("=") padding;
954 * may NOT be used with any of _CRLF, _LF or _MULTILINE */
955 B64_NOPAD
= 1<<(__MIMEEF_LAST
+2)
958 enum mime_parse_flags
{
960 MIME_PARSE_DECRYPT
= 1<<0,
961 MIME_PARSE_PARTS
= 1<<1
964 enum mime_handler_flags
{
965 MIME_HDL_NULL
, /* No pipe- mimetype handler, go away */
966 MIME_HDL_CMD
, /* Normal command */
967 MIME_HDL_TEXT
, /* @ special cmd to force treatment as text */
968 MIME_HDL_PTF
, /* A special pointer-to-function handler */
969 MIME_HDL_MSG
, /* Display msg (returned as command string) */
970 MIME_HDL_TYPE_MASK
= 7,
971 MIME_HDL_ISQUOTE
= 1<<4, /* Is quote action (we have info, keep it!) */
972 MIME_HDL_NOQUOTE
= 1<<5, /* No MIME for quoting */
973 MIME_HDL_ALWAYS
= 1<<6, /* Handler shall run for multi-msg actions */
974 MIME_HDL_ASYNC
= 1<<7, /* Should run asynchronously */
975 MIME_HDL_NEEDSTERM
= 1<<8, /* Takes over terminal */
976 MIME_HDL_TMPF
= 1<<9, /* Create temporary file (zero-sized) */
977 MIME_HDL_TMPF_FILL
= 1<<10, /* Fill in the msg body content */
978 MIME_HDL_TMPF_UNLINK
= 1<<11 /* Delete it later again */
982 MLIST_OTHER
= 0, /* Normal address */
983 MLIST_KNOWN
= 1, /* A known `mlist' */
984 MLIST_SUBSCRIBED
= -1 /* A `mlsubscribe'd list */
995 OF_CLOEXEC
= 1<<7, /* TODO not used, always implied! CHANGE!! */
996 OF_UNLINK
= 1<<8, /* Only for Ftmp(): unlink(2) after creation */
997 OF_HOLDSIGS
= 1<<9, /* Mutual with OF_UNLINK - await Ftmp_free() */
998 OF_REGISTER
= 1<<10, /* Register file in our file table */
999 OF_REGISTER_UNLINK
= 1<<11, /* unlink(2) upon unreg.; _REGISTER asserted! */
1000 OF_SUFFIX
= 1<<12 /* Ftmp() name hint is mandatory! extension! */
1008 enum okey_xlook_mode
{
1009 OXM_PLAIN
= 1<<0, /* Plain key always tested */
1010 OXM_H_P
= 1<<1, /* Check PLAIN-.url_h_p */
1011 OXM_U_H_P
= 1<<2, /* Check PLAIN-.url_u_h_p */
1015 /* <0 means "stop" unless *prompt* extensions are enabled. */
1017 PROMPT_STOP
= -1, /* \c */
1018 /* *prompt* extensions: \$, \@ etc. */
1024 PROTO_FILE
, /* refers to a local file */
1025 PROTO_POP3
, /* is a pop3 server string */
1026 PROTO_MAILDIR
, /* refers to a maildir folder */
1027 PROTO_UNKNOWN
/* unknown protocol */
1031 SEND_MBOX
, /* no conversion to perform */
1032 SEND_RFC822
, /* no conversion, no From_ line */
1033 SEND_TODISP
, /* convert to displayable form */
1034 SEND_TODISP_ALL
, /* same, include all MIME parts */
1035 SEND_SHOW
, /* convert to 'show' command form */
1036 SEND_TOSRCH
, /* convert for IMAP SEARCH */
1037 SEND_TOFILE
, /* convert for saving body to a file */
1038 SEND_TOPIPE
, /* convert for pipe-content/subc. */
1039 SEND_QUOTE
, /* convert for quoting */
1040 SEND_QUOTE_ALL
, /* same, include all MIME parts */
1041 SEND_DECRYPT
/* decrypt */
1044 enum n_sigman_flags
{
1046 n_SIGMAN_HUP
= 1<<0,
1047 n_SIGMAN_INT
= 1<<1,
1048 n_SIGMAN_QUIT
= 1<<2,
1049 n_SIGMAN_TERM
= 1<<3,
1050 n_SIGMAN_PIPE
= 1<<4,
1052 n_SIGMAN_IGN_HUP
= 1<<5,
1053 n_SIGMAN_IGN_INT
= 1<<6,
1054 n_SIGMAN_IGN_QUIT
= 1<<7,
1055 n_SIGMAN_IGN_TERM
= 1<<8,
1057 n_SIGMAN_ALL
= 0xFF,
1058 /* Mostly for _leave() reraise flags */
1059 n_SIGMAN_VIPSIGS
= n_SIGMAN_HUP
| n_SIGMAN_INT
| n_SIGMAN_QUIT
|
1061 n_SIGMAN_NTTYOUT_PIPE
= 1<<16,
1062 n_SIGMAN_VIPSIGS_NTTYOUT
= n_SIGMAN_HUP
| n_SIGMAN_INT
| n_SIGMAN_QUIT
|
1063 n_SIGMAN_TERM
| n_SIGMAN_NTTYOUT_PIPE
,
1065 n__SIGMAN_PING
= 1<<17
1069 enum ssl_verify_level
{
1078 TD_NONE
, /* no display conversion */
1079 TD_ISPR
= 1<<0, /* use isprint() checks */
1080 TD_ICONV
= 1<<1, /* use iconv() */
1081 TD_DELCTRL
= 1<<2, /* delete control characters */
1084 * NOTE: _TD_EOF and _TD_BUFCOPY may be ORd with enum conversion and
1085 * enum sendaction, and may thus NOT clash with their bit range!
1087 _TD_EOF
= 1<<14, /* EOF seen, last round! */
1088 _TD_BUFCOPY
= 1<<15 /* Buffer may be constant, copy it */
1092 enum n_termcap_captype
{
1093 n_TERMCAP_CAPTYPE_NONE
= 0,
1094 /* Internally we share the bitspace, so ensure no value ends up as 0 */
1095 n_TERMCAP_CAPTYPE_BOOL
= 1,
1096 n_TERMCAP_CAPTYPE_NUMERIC
,
1097 n_TERMCAP_CAPTYPE_STRING
,
1098 n__TERMCAP_CAPTYPE_MAX
1101 /* Termcap commands; different to queries commands perform actions.
1102 * Commands are resolved upon init time, and are all termcap(5)-compatible,
1103 * therefore we use the short termcap(5) names.
1104 * Note this is parsed by mk-tcap-map.pl, which expects the syntax
1105 * "CONSTANT, COMMENT" where COMMENT is "Capname/TCap-Code, TYPE[, FLAGS]",
1106 * and one of Capname and TCap-Code may be the string "-" meaning ENOENT;
1107 * a | vertical bar or end-of-comment ends processing; see termcap.c.
1108 * We may use the free-form part after | for the "Variable String" and notes on
1109 * necessary termcap_cmd() arguments; if those are in [] brackets they are not
1110 * regular but are only used when the command, i.e., its effect, is somehow
1111 * simulated / faked by a builtin fallback implementation.
1112 * Availability of builtin fallback indicated by leading @ (at-sign) */
1114 # ifdef HAVE_TERMCAP
1115 n_TERMCAP_CMD_te
, /* rmcup/te, STRING | exit_ca_mode: -,- */
1116 n_TERMCAP_CMD_ti
, /* smcup/ti, STRING | enter_ca_mode: -,- */
1118 n_TERMCAP_CMD_ks
, /* smkx/ks, STRING | keypad_xmit: -,- */
1119 n_TERMCAP_CMD_ke
, /* rmkx/ke, STRING | keypad_local: -,- */
1121 n_TERMCAP_CMD_cd
, /* ed/cd, STRING | clr_eos: -,- */
1122 n_TERMCAP_CMD_cl
, /* clear/cl, STRING | clear_screen(+home): -,- */
1123 n_TERMCAP_CMD_ho
, /* home/ho, STRING | cursor_home: -,- */
1127 n_TERMCAP_CMD_ce
, /* el/ce, STRING | @ clr_eol: [start-column],- */
1128 n_TERMCAP_CMD_ch
, /* hpa/ch, STRING, IDX1 | column_address: column,- */
1129 n_TERMCAP_CMD_cr
, /* cr/cr, STRING | @ carriage_return: -,- */
1130 n_TERMCAP_CMD_le
, /* cub1/le, STRING, CNT | @ cursor_left: count,- */
1131 n_TERMCAP_CMD_nd
, /* cuf1/nd, STRING, CNT | @ cursor_right: count,- */
1135 n__TERMCAP_CMD_MASK
= (1<<24) - 1,
1137 /* Only perform command if ca-mode is used */
1138 n_TERMCAP_CMD_FLAG_CA_MODE
= 1<<29,
1139 /* I/O should be flushed after command completed */
1140 n_TERMCAP_CMD_FLAG_FLUSH
= 1<<30
1143 /* Termcap queries; a query is a command that returns a struct n_termcap_value.
1144 * Queries are resolved once they are used first, and may not be termcap(5)-
1145 * compatible, therefore we use terminfo(5) names.
1146 * Note this is parsed by mk-tcap-map.pl, which expects the syntax
1147 * "CONSTANT, COMMENT" where COMMENT is "Capname/TCap-Code, TYPE[, FLAGS]",
1148 * and one of Capname and TCap-Code may be the string "-" meaning ENOENT;
1149 * a | vertical bar or end-of-comment ends processing; see termcap.c.
1150 * We may use the free-form part after | for the "Variable String" and notes.
1151 * The "xkey | X:" keys are Dickey's xterm extensions, see (our) manual */
1152 enum n_termcap_query
{
1154 n_TERMCAP_QUERY_colors
, /* colors/Co, NUMERIC | max_colors */
1157 /* --mk-tcap-map--: only KEY_BINDINGS follow. DON'T CHANGE THIS LINE! */
1158 /* Update the `bind' manual on change! */
1159 # ifdef HAVE_KEY_BINDINGS
1160 n_TERMCAP_QUERY_key_backspace
, /* kbs/kb, STRING */
1161 n_TERMCAP_QUERY_key_dc
, /* kdch1/kD, STRING | delete-character */
1162 n_TERMCAP_QUERY_key_sdc
, /* kDC / *4, STRING | ..shifted */
1163 n_TERMCAP_QUERY_key_eol
, /* kel/kE, STRING | clear-to-end-of-line */
1164 n_TERMCAP_QUERY_key_exit
, /* kext/@9, STRING */
1165 n_TERMCAP_QUERY_key_ic
, /* kich1/kI, STRING | insert character */
1166 n_TERMCAP_QUERY_key_sic
, /* kIC/#3, STRING | ..shifted */
1167 n_TERMCAP_QUERY_key_home
, /* khome/kh, STRING */
1168 n_TERMCAP_QUERY_key_shome
, /* kHOM/#2, STRING | ..shifted */
1169 n_TERMCAP_QUERY_key_end
, /* kend/@7, STRING */
1170 n_TERMCAP_QUERY_key_send
, /* kEND / *7, STRING | ..shifted */
1171 n_TERMCAP_QUERY_key_npage
, /* knp/kN, STRING */
1172 n_TERMCAP_QUERY_key_ppage
, /* kpp/kP, STRING */
1173 n_TERMCAP_QUERY_key_left
, /* kcub1/kl, STRING */
1174 n_TERMCAP_QUERY_key_sleft
, /* kLFT/#4, STRING | ..shifted */
1175 n_TERMCAP_QUERY_xkey_aleft
, /* kLFT3/-, STRING | X: Alt+left */
1176 n_TERMCAP_QUERY_xkey_cleft
, /* kLFT5/-, STRING | X: Control+left */
1177 n_TERMCAP_QUERY_key_right
, /* kcuf1/kr, STRING */
1178 n_TERMCAP_QUERY_key_sright
, /* kRIT/%i, STRING | ..shifted */
1179 n_TERMCAP_QUERY_xkey_aright
, /* kRIT3/-, STRING | X: Alt+right */
1180 n_TERMCAP_QUERY_xkey_cright
, /* kRIT5/-, STRING | X: Control+right */
1181 n_TERMCAP_QUERY_key_down
, /* kcud1/kd, STRING */
1182 n_TERMCAP_QUERY_xkey_sdown
, /* kDN/-, STRING | ..shifted */
1183 n_TERMCAP_QUERY_xkey_adown
, /* kDN3/-, STRING | X: Alt+down */
1184 n_TERMCAP_QUERY_xkey_cdown
, /* kDN5/-, STRING | X: Control+down */
1185 n_TERMCAP_QUERY_key_up
, /* kcuu1/ku, STRING */
1186 n_TERMCAP_QUERY_xkey_sup
, /* kUP/-, STRING | ..shifted */
1187 n_TERMCAP_QUERY_xkey_aup
, /* kUP3/-, STRING | X: Alt+up */
1188 n_TERMCAP_QUERY_xkey_cup
, /* kUP5/-, STRING | X: Control+up */
1189 n_TERMCAP_QUERY_kf0
, /* kf0/k0, STRING */
1190 n_TERMCAP_QUERY_kf1
, /* kf1/k1, STRING */
1191 n_TERMCAP_QUERY_kf2
, /* kf2/k2, STRING */
1192 n_TERMCAP_QUERY_kf3
, /* kf3/k3, STRING */
1193 n_TERMCAP_QUERY_kf4
, /* kf4/k4, STRING */
1194 n_TERMCAP_QUERY_kf5
, /* kf5/k5, STRING */
1195 n_TERMCAP_QUERY_kf6
, /* kf6/k6, STRING */
1196 n_TERMCAP_QUERY_kf7
, /* kf7/k7, STRING */
1197 n_TERMCAP_QUERY_kf8
, /* kf8/k8, STRING */
1198 n_TERMCAP_QUERY_kf9
, /* kf9/k9, STRING */
1199 n_TERMCAP_QUERY_kf10
, /* kf10/k;, STRING */
1200 n_TERMCAP_QUERY_kf11
, /* kf11/F1, STRING */
1201 n_TERMCAP_QUERY_kf12
, /* kf12/F2, STRING */
1202 n_TERMCAP_QUERY_kf13
, /* kf13/F3, STRING */
1203 n_TERMCAP_QUERY_kf14
, /* kf14/F4, STRING */
1204 n_TERMCAP_QUERY_kf15
, /* kf15/F5, STRING */
1205 n_TERMCAP_QUERY_kf16
, /* kf16/F6, STRING */
1206 n_TERMCAP_QUERY_kf17
, /* kf17/F7, STRING */
1207 n_TERMCAP_QUERY_kf18
, /* kf18/F8, STRING */
1208 n_TERMCAP_QUERY_kf19
, /* kf19/F9, STRING */
1209 # endif /* HAVE_KEY_BINDINGS */
1211 n__TERMCAP_QUERY_MAX
1213 #endif /* n_HAVE_TCAP */
1217 OPT_DEBUG
= 1u<< 0, /* -d / *debug* */
1218 OPT_VERB
= 1u<< 1, /* -v / *verbose* */
1219 OPT_VERBVERB
= 1u<< 2, /* .. even more verbosity */
1220 OPT_EXISTONLY
= 1u<< 3, /* -e */
1221 OPT_HEADERSONLY
= 1u<<4, /* -H */
1222 OPT_HEADERLIST
= 1u<< 5, /* -L */
1223 OPT_QUICKRUN_MASK
= OPT_EXISTONLY
| OPT_HEADERSONLY
| OPT_HEADERLIST
,
1224 OPT_E_FLAG
= 1u<< 7, /* -E / *skipemptybody* */
1225 OPT_F_FLAG
= 1u<< 8, /* -F */
1226 OPT_N_FLAG
= 1u<< 9, /* -N / *header* */
1227 OPT_R_FLAG
= 1u<<10, /* -R */
1228 OPT_r_FLAG
= 1u<<11, /* -r (plus option_r_arg) */
1229 OPT_t_FLAG
= 1u<<12, /* -t */
1230 OPT_u_FLAG
= 1u<<13, /* -u / $USER and pw->pw_uid != getuid(2) */
1231 OPT_TILDE_FLAG
= 1u<<14, /* -~ */
1232 OPT_BATCH_FLAG
= 1u<<15, /* -# */
1235 OPT_MEMDEBUG
= 1<<16, /* *memdebug* */
1238 OPT_SENDMODE
= 1u<<17, /* Usage case forces send mode */
1240 OPT_TTYOUT
= 1u<<19,
1241 OPT_INTERACTIVE
= 1u<<20,
1242 OPT_UNICODE
= 1u<<21, /* We're in an UTF-8 environment */
1243 OPT_ENC_MBSTATE
= 1u<<22, /* Multibyte environment with shift states */
1245 /* Some easy-access shortcuts */
1246 OPT_D_V
= OPT_DEBUG
| OPT_VERB
,
1247 OPT_D_VV
= OPT_DEBUG
| OPT_VERBVERB
,
1248 OPT_D_V_VV
= OPT_DEBUG
| OPT_VERB
| OPT_VERBVERB
1251 #define OBSOLETE(X) \
1253 if (options & OPT_D_V_VV)\
1254 n_err("%s: %s\n", _("Obsoletion warning"), X);\
1256 #define OBSOLETE2(X,Y) \
1258 if (options & OPT_D_V_VV)\
1259 n_err("%s: %s: %s\n", _("Obsoletion warning"), X, Y);\
1262 enum program_state
{
1264 PS_STARTED
= 1<< 0, /* main.c startup code passed, functional */
1266 PS_LOADING
= 1<< 1, /* Loading user resource files, startup */
1267 PS_SOURCING
= 1<< 2, /* Sourcing a resource file */
1268 PS_IN_LOAD
= PS_LOADING
| PS_SOURCING
,
1269 PS_PIPING
= 1<< 3, /* `source'ing via pipe */
1271 PS_EVAL_ERROR
= 1<< 4, /* Last evaluate() command failed */
1273 PS_HOOK_NEWMAIL
= 1<< 6,
1275 PS_HOOK_MASK
= PS_HOOK_NEWMAIL
| PS_HOOK
,
1277 PS_EDIT
= 1<< 8, /* Current mailbox not a "system mailbox" */
1278 PS_SETFILE_OPENED
= 1<< 9, /* (hack) setfile() opened a new box */
1279 PS_SAW_COMMAND
= 1<<10, /* ..after mailbox switch */
1281 PS_DID_PRINT_DOT
= 1<<16, /* Current message has been printed */
1283 PS_MSGLIST_SAW_NO
= 1<<17, /* Last *LIST saw numerics */
1284 PS_MSGLIST_DIRECT
= 1<<18, /* One msg was directly chosen by number */
1285 PS_MSGLIST_MASK
= PS_MSGLIST_SAW_NO
| PS_MSGLIST_DIRECT
,
1287 PS_HEADER_NEEDED_MIME
= 1<<20, /* mime_write_tohdr() needed x TODO HACK! */
1289 PS_COLOUR_ACTIVE
= 1<<22, /* n_colour_env_create().._gut() cycle */
1291 /* Various first-time-init switches */
1292 PS_ERRORS_NOTED
= 1<<24, /* Ring of `errors' content, print msg */
1293 PS_ATTACHMENTS_NOTED
= 1<<25, /* Attachment filename quoting noted */
1294 PS_t_FLAG
= 1<<26, /* OPT_t_FLAG made persistant */
1295 PS_TERMCAP_DISABLE
= 1<<27, /* HAVE_TERMCAP: *termcap-disable* was set */
1296 PS_TERMCAP_CA_MODE
= 1<<28, /* HAVE_TERMCAP: ca_mode available & used */
1297 PS_HISTORY_LOADED
= 1<<29 /* Command line editor history loaded */
1300 /* A large enum with all the boolean and value options a.k.a their keys.
1301 * Only the constant keys are in here, to be looked up via ok_[bv]look(),
1302 * ok_[bv]set() and ok_[bv]clear().
1303 * Note: see the comments in accmacvar.c before changing *anything* in here! */
1305 /* TODO likely temporary hook data, v15 drop */
1306 ok_v_on_compose_enter
,
1307 ok_v_on_compose_leave
,
1309 ok_v_compose_sender
,
1313 ok_v_compose_subject
,
1315 ok_b_add_file_recipients
,
1316 ok_v_agent_shell_lookup
,
1326 ok_b_attachment_ask_content_description
,
1327 ok_b_attachment_ask_content_disposition
,
1328 ok_b_attachment_ask_content_id
,
1329 ok_b_attachment_ask_content_type
,
1339 ok_b_batch_exit_on_error
,
1350 ok_v_charset_unknown_8bit
,
1352 ok_b_colour_disable
,
1359 ok_v_datefield_markout_older
,
1360 ok_b_debug
, /* {special=1} */
1361 ok_b_disposition_notification_send
,
1363 ok_b_dotlock_ignore_error
,
1375 ok_v_features
, /* {rdonly=1,virtual=_features} */
1377 ok_v_folder
, /* {special=1} */
1380 ok_v_followup_to_honour
,
1381 ok_b_forward_as_attachment
,
1386 ok_b_header
, /* {special=1} */
1391 ok_b_history_gabby_persist
,
1402 ok_b_keep_content_length
,
1406 ok_b_line_editor_disable
,
1412 ok_b_memdebug
, /* {special=1} */
1413 ok_b_message_id_disable
,
1414 ok_v_message_inject_head
,
1415 ok_v_message_inject_tail
,
1417 ok_b_mime_allow_text_controls
,
1418 ok_b_mime_alternative_favour_rich
,
1419 ok_v_mime_counter_evidence
,
1420 ok_v_mimetypes_load_control
,
1422 ok_v_NAIL_EXTRA_RC
, /* {name=NAIL_EXTRA_RC} */
1423 ok_v_NAIL_HEAD
, /* {name=NAIL_HEAD} */
1424 ok_v_NAIL_HISTFILE
, /* {name=NAIL_HISTFILE} */
1425 ok_v_NAIL_HISTSIZE
, /* {name=NAIL_HISTSIZE} */
1426 ok_v_NAIL_TAIL
, /* {name=NAIL_TAIL} */
1438 ok_b_pop3_bulk_load
,
1439 ok_v_pop3_keepalive
,
1441 ok_b_pop3_use_starttls
,
1442 ok_b_print_alternatives
,
1447 ok_b_quote_as_attachment
,
1450 ok_b_recipients_in_cc
,
1453 ok_b_reply_in_same_charset
,
1456 ok_v_reply_to_honour
,
1457 ok_b_rfc822_body_from_
, /* {name=rfc822-body-from_} */
1464 ok_b_sendcharsets_else_ttycharset
,
1467 ok_v_sendmail_arguments
,
1468 ok_b_sendmail_no_default_arguments
,
1469 ok_v_sendmail_progname
,
1477 ok_b_skipemptybody
, /* {special=1} */
1482 ok_v_smime_crl_file
,
1483 /* smime-encrypt-USER@HOST */
1484 ok_b_smime_force_encryption
,
1485 ok_b_smime_no_default_ca
,
1487 ok_v_smime_sign_cert
,
1488 ok_v_smime_sign_include_certs
,
1489 ok_v_smime_sign_message_digest
,
1492 ok_v_smtp_auth_password
,
1493 ok_v_smtp_auth_user
,
1495 ok_b_smtp_use_starttls
,
1496 ok_v_spam_interface
,
1499 ok_v_spamc_arguments
,
1503 ok_v_spamfilter_ham
,
1504 ok_v_spamfilter_noham
,
1505 ok_v_spamfilter_nospam
,
1506 ok_v_spamfilter_rate
,
1507 ok_v_spamfilter_rate_scanscore
,
1508 ok_v_spamfilter_spam
,
1512 ok_v_ssl_cipher_list
,
1513 ok_v_ssl_config_file
,
1518 ok_b_ssl_no_default_ca
,
1526 ok_b_termcap_disable
,
1534 ok_b_verbose
, /* {special=1} */
1535 ok_v_version
, /* {rdonly=1,virtual=VERSION} */
1536 ok_v_version_major
, /* {rdonly=1,virtual=VERSION_MAJOR} */
1537 ok_v_version_minor
, /* {rdonly=1,virtual=VERSION_MINOR} */
1538 ok_v_version_update
, /* {rdonly=1,virtual=VERSION_UPDATE} */
1540 ok_b_writebackedited
1543 /* Locale-independent character classes */
1557 char *s
; /* the string's content */
1558 size_t l
; /* the stings's length */
1562 char *s_dat
; /*@ May contain NULs, not automatically terminated */
1563 ui32_t s_len
; /*@ gth of string */
1564 #ifdef HAVE_BYTE_ORDER_LITTLE
1565 ui32_t s_auto
: 1; /* Stored in auto-reclaimed storage? */
1567 ui32_t s_size
: 31; /* of .s_dat, -1 */
1568 #ifndef HAVE_BYTE_ORDER_LITTLE
1574 struct str bi_start
; /* Start of (possibly) bidirectional text */
1575 struct str bi_end
; /* End of ... */
1576 size_t bi_pad
; /* No of visual columns to reserve for BIDI pad */
1580 struct n_colour_pen
;
1584 char const *url_input
; /* Input as given (really) */
1585 enum cproto url_cproto
; /* Communication protocol as given */
1586 bool_t url_needs_tls
; /* Wether the protocol uses SSL/TLS */
1587 bool_t url_had_user
; /* Wether .url_user was part of the URL */
1588 ui16_t url_portno
; /* atoi .url_port or default, host endian */
1589 char const *url_port
; /* Port (if given) or NULL */
1590 char url_proto
[14]; /* Communication protocol as 'xy\0//' */
1591 ui8_t url_proto_len
; /* Length of .url_proto ('\0' index) */
1592 ui8_t url_proto_xlen
; /* .. if '\0' is replaced with ':' */
1593 struct str url_user
; /* User, exactly as given / looked up */
1594 struct str url_user_enc
; /* User, urlxenc()oded */
1595 struct str url_pass
; /* Pass (urlxdec()oded) or NULL */
1596 struct str url_host
; /* Service hostname */
1597 struct str url_path
; /* Path suffix or NULL */
1598 /* TODO: url_get_component(url *, enum COMPONENT, str *store) */
1599 struct str url_h_p
; /* .url_host[:.url_port] */
1600 /* .url_user@.url_host
1601 * Note: for CPROTO_SMTP this may resolve HOST via *smtp-hostname* (->
1602 * *hostname*)! (And may later be overwritten according to *from*!) */
1604 struct str url_u_h_p
; /* .url_user@.url_host[:.url_port] */
1605 struct str url_eu_h_p
; /* .url_user_enc@.url_host[:.url_port] */
1606 char const *url_p_u_h_p
; /* .url_proto://.url_u_h_p */
1607 char const *url_p_eu_h_p
; /* .url_proto://.url_eu_h_p */
1608 char const *url_p_eu_h_p_p
; /* .url_proto://.url_eu_h_p[/.url_path] */
1612 enum cproto cc_cproto
; /* Communication protocol */
1613 enum authtype cc_authtype
; /* Desired authentication */
1614 char const *cc_auth
; /* Authentication type as string */
1615 struct str cc_user
; /* User (urlxdec()oded) or NULL */
1616 struct str cc_pass
; /* Password (urlxdec()oded) or NULL */
1620 struct dotlock_info
{
1621 char const *di_file_name
; /* Mailbox to lock */
1622 char const *di_lock_name
; /* .di_file_name + .lock */
1623 char const *di_hostname
; /* ..filled in parent (due resolver delays) */
1624 char const *di_randstr
; /* ..ditto, random string */
1625 size_t di_pollmsecs
; /* Delay in between locking attempts */
1626 struct stat
*di_stb
;
1630 struct mime_handler
{
1631 enum mime_handler_flags mh_flags
;
1632 struct str mh_msg
; /* Message describing this command */
1633 /* XXX union{} the following? */
1634 char const *mh_shell_cmd
; /* For MIME_HDL_CMD */
1635 int (*mh_ptf
)(void); /* PTF main() for MIME_HDL_PTF */
1639 FILE *qf_os
; /* Output stream */
1640 char const *qf_pfix
;
1641 ui32_t qf_pfix_len
; /* Length of prefix: 0: bypass */
1642 ui32_t qf_qfold_min
; /* Simple way: wrote prefix? */
1643 #ifdef HAVE_QUOTE_FOLD
1644 ui32_t qf_qfold_max
; /* Otherwise: line lengths */
1645 ui8_t qf_state
; /* *quote-fold* state machine */
1646 bool_t qf_brk_isws
; /* Breakpoint is at WS */
1648 ui32_t qf_wscnt
; /* Whitespace count */
1649 ui32_t qf_brkl
; /* Breakpoint */
1650 ui32_t qf_brkw
; /* Visual width, breakpoint */
1651 ui32_t qf_datw
; /* Current visual output line width */
1652 struct str qf_dat
; /* Current visual output line */
1653 struct str qf_currq
; /* Current quote, compressed */
1654 mbstate_t qf_mbps
[2];
1658 #ifdef HAVE_FILTER_HTML_TAGSOUP
1660 FILE *hf_os
; /* Output stream */
1662 ui32_t hf_lmax
; /* Maximum byte +1 in .hf_line/4 */
1663 ui32_t hf_len
; /* Current bytes in .hf_line */
1664 ui32_t hf_last_ws
; /* Last whitespace on line (fold purposes) */
1665 ui32_t hf_mboff
; /* Last offset for "mbtowc" */
1666 ui32_t hf_mbwidth
; /* We count characters not bytes if possible */
1667 char *hf_line
; /* Output line buffer - MUST be last field! */
1668 si32_t hf_href_dist
; /* Count of lines since last HREF flush */
1669 ui32_t hf_href_no
; /* HREF sequence number */
1670 struct htmlflt_href
*hf_hrefs
;
1671 struct htmlflt_tag
const *hf_ign_tag
; /* Tag that will end ignore mode */
1672 char *hf_curr
; /* Current cursor into .hf_bdat */
1673 char *hf_bmax
; /* Maximum byte in .hf_bdat +1 */
1674 char *hf_bdat
; /* (Temporary) Tag content data storage */
1678 struct search_expr
{
1679 char const *ss_where
; /* ..to search for the expr. (not always used) */
1680 char const *ss_sexpr
; /* String search expr.; NULL: use .ss_regex */
1686 /* This is somewhat temporary for pre v15 */
1688 ui32_t sm_flags
; /* enum n_sigman_flags */
1690 struct n_sigman
*sm_outer
;
1691 sighandler_type sm_ohup
;
1692 sighandler_type sm_oint
;
1693 sighandler_type sm_oquit
;
1694 sighandler_type sm_oterm
;
1695 sighandler_type sm_opipe
;
1700 struct str ev_line
; /* The terminated data to evaluate */
1701 ui32_t ev_line_size
; /* May be used to store line memory size */
1702 bool_t ev_is_recursive
; /* Evaluation in evaluation? (collect ~:) */
1704 bool_t ev_add_history
; /* Enter (final) command in history? */
1705 char const *ev_new_content
; /* History: reenter line, start with this */
1708 struct termios_state
{
1709 struct termios ts_tios
;
1712 bool_t ts_needs_reset
;
1715 #define termios_state_reset() \
1717 if (termios_state.ts_needs_reset) {\
1718 tcsetattr(0, TCSADRAIN, &termios_state.ts_tios);\
1719 termios_state.ts_needs_reset = FAL0;\
1724 struct n_termcap_value
{
1725 enum n_termcap_captype tv_captype
;
1727 union n_termcap_value_data
{
1730 char const *tvd_string
;
1735 struct time_current
{
1742 struct sock
{ /* data associated with a socket */
1743 int s_fd
; /* file descriptor */
1745 int s_use_ssl
; /* SSL is used */
1746 # ifdef HAVE_OPENSSL
1747 void *s_ssl
; /* SSL object */
1750 char *s_wbuf
; /* for buffered writes */
1751 int s_wbufsize
; /* allocated size of s_buf */
1752 int s_wbufpos
; /* position of first empty data byte */
1753 char *s_rbufptr
; /* read pointer to s_rbuf */
1754 int s_rsz
; /* size of last read in s_rbuf */
1755 char const *s_desc
; /* description of error messages */
1756 void (*s_onclose
)(void); /* execute on close */
1757 char s_rbuf
[LINESIZE
+ 1]; /* for buffered reads */
1762 struct ccred sc_cred
;
1763 struct sock sc_sock
;
1768 MB_NONE
= 000, /* no reply expected */
1769 MB_COMD
= 001, /* command reply expected */
1770 MB_MULT
= 002, /* multiline reply expected */
1771 MB_PREAUTH
= 004, /* not in authenticated state */
1772 MB_BYE
= 010 /* may accept a BYE state */
1774 FILE *mb_itf
; /* temp file with messages, read open */
1775 FILE *mb_otf
; /* same, write open */
1776 char *mb_sorted
; /* sort method */
1778 MB_VOID
, /* no type (e. g. connection failed) */
1779 MB_FILE
, /* local file */
1780 MB_POP3
, /* POP3 mailbox */
1781 MB_MAILDIR
/* maildir folder */
1782 } mb_type
; /* type of mailbox */
1784 MB_DELE
= 01, /* may delete messages in mailbox */
1785 MB_EDIT
= 02 /* may edit messages in mailbox */
1787 int mb_threaded
; /* mailbox has been threaded */
1788 struct sock mb_sock
; /* socket structure */
1792 NEED_UNSPEC
, /* unspecified need, don't fetch */
1793 NEED_HEADER
, /* need the header of a message */
1794 NEED_BODY
/* need header and body of a message */
1798 HAVE_NOTHING
, /* nothing downloaded yet */
1799 HAVE_HEADER
= 01, /* header is downloaded */
1800 HAVE_BODY
= 02 /* entire message is downloaded */
1803 /* flag bits. Attention: Flags that are used in cache.c may not change */
1805 MUSED
= (1<< 0), /* entry is used, but this bit isn't */
1806 MDELETED
= (1<< 1), /* entry has been deleted */
1807 MSAVED
= (1<< 2), /* entry has been saved */
1808 MTOUCH
= (1<< 3), /* entry has been noticed */
1809 MPRESERVE
= (1<< 4), /* keep entry in sys mailbox */
1810 MMARK
= (1<< 5), /* message is marked! */
1811 MODIFY
= (1<< 6), /* message has been modified */
1812 MNEW
= (1<< 7), /* message has never been seen */
1813 MREAD
= (1<< 8), /* message has been read sometime. */
1814 MSTATUS
= (1<< 9), /* message status has changed */
1815 MBOX
= (1<<10), /* Send this to mbox, regardless */
1816 MNOFROM
= (1<<11), /* no From line */
1817 MHIDDEN
= (1<<12), /* message is hidden to user */
1818 MBOXED
= (1<<13), /* message has been sent to mbox */
1819 MNEWEST
= (1<<14), /* message is very new (newmail) */
1820 MFLAG
= (1<<15), /* message has been flagged recently */
1821 MUNFLAG
= (1<<16), /* message has been unflagged */
1822 MFLAGGED
= (1<<17), /* message is `flagged' */
1823 MANSWER
= (1<<18), /* message has been answered recently */
1824 MUNANSWER
= (1<<19), /* message has been unanswered */
1825 MANSWERED
= (1<<20), /* message is `answered' */
1826 MDRAFT
= (1<<21), /* message has been drafted recently */
1827 MUNDRAFT
= (1<<22), /* message has been undrafted */
1828 MDRAFTED
= (1<<23), /* message is marked as `draft' */
1829 MOLDMARK
= (1<<24), /* messages was marked previously */
1830 MSPAM
= (1<<25), /* message is classified as spam */
1831 MSPAMUNSURE
= (1<<26) /* message may be spam, but it is unsure */
1833 #define MMNORM (MDELETED | MSAVED | MHIDDEN)
1834 #define MMNDEL (MDELETED | MHIDDEN)
1836 #define visible(mp) (((mp)->m_flag & MMNDEL) == 0)
1839 enum mflag m_flag
; /* flags */
1840 enum havespec m_have
; /* downloaded parts of the part */
1842 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
1844 int m_block
; /* block number of this part */
1845 size_t m_offset
; /* offset in block of part */
1846 size_t m_size
; /* Bytes in the part */
1847 size_t m_xsize
; /* Bytes in the full part */
1848 long m_lines
; /* Lines in the message */
1849 long m_xlines
; /* Lines in the full message */
1850 time_t m_time
; /* time the message was sent */
1851 char const *m_from
; /* message sender */
1852 struct mimepart
*m_nextpart
; /* next part at same level */
1853 struct mimepart
*m_multipart
; /* parts of multipart */
1854 struct mimepart
*m_parent
; /* enclosing multipart part */
1855 char const *m_ct_type
; /* content-type */
1856 char const *m_ct_type_plain
; /* content-type without specs */
1857 char const *m_ct_type_usr_ovwr
; /* Forcefully overwritten one */
1858 enum mimecontent m_mimecontent
; /* same in enum */
1859 char const *m_charset
; /* charset */
1860 char const *m_ct_enc
; /* content-transfer-encoding */
1861 enum mime_enc m_mime_enc
; /* same in enum */
1862 char *m_partstring
; /* part level string */
1863 char *m_filename
; /* attachment filename */
1867 enum mflag m_flag
; /* flags */
1868 enum havespec m_have
; /* downloaded parts of the message */
1870 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
1872 int m_block
; /* block number of this message */
1873 size_t m_offset
; /* offset in block of message */
1874 size_t m_size
; /* Bytes in the message */
1875 size_t m_xsize
; /* Bytes in the full message */
1876 long m_lines
; /* Lines in the message */
1877 long m_xlines
; /* Lines in the full message */
1878 time_t m_time
; /* time the message was sent */
1879 time_t m_date
; /* time in the 'Date' field */
1880 unsigned m_idhash
; /* hash on Message-ID for threads */
1881 struct message
*m_child
; /* first child of this message */
1882 struct message
*m_younger
; /* younger brother of this message */
1883 struct message
*m_elder
; /* elder brother of this message */
1884 struct message
*m_parent
; /* parent of this message */
1885 unsigned m_level
; /* thread level of message */
1886 long m_threadpos
; /* position in threaded display */
1887 char *m_maildir_file
; /* original maildir file of msg */
1888 ui32_t m_maildir_hash
; /* hash of file name in maildir sub */
1889 int m_collapsed
; /* collapsed thread information */
1892 /* Given a file address, determine the block number it represents */
1893 #define mailx_blockof(off) ((int) ((off) / 4096))
1894 #define mailx_offsetof(off) ((int) ((off) % 4096))
1895 #define mailx_positionof(block, offset) ((off_t)(block) * 4096 + (offset))
1897 /* Argument types */
1899 ARG_MSGLIST
= 0, /* Message list type */
1900 ARG_STRLIST
= 1, /* A pure string */
1901 ARG_RAWLIST
= 2, /* Shell string list */
1902 ARG_NOLIST
= 3, /* Just plain 0 */
1903 ARG_NDMLIST
= 4, /* Message list, no defaults */
1904 ARG_ECHOLIST
= 5, /* Like raw list, but keep quote chars */
1905 ARG_ARGMASK
= 7, /* Mask of the above */
1907 ARG_A
= 1u<< 4, /* Needs an active mailbox */
1908 ARG_F
= 1u<< 5, /* Is a conditional command */
1909 ARG_H
= 1u<< 6, /* Never place in history */
1910 ARG_I
= 1u<< 7, /* Interactive command bit */
1911 ARG_M
= 1u<< 8, /* Legal from send mode bit */
1912 ARG_P
= 1u<< 9, /* Autoprint dot after command */
1913 ARG_R
= 1u<<10, /* Cannot be called from collect / recursion */
1914 ARG_T
= 1u<<11, /* Is a transparent command */
1915 ARG_V
= 1u<<12, /* Places data in temporary_arg_v_store */
1916 ARG_W
= 1u<<13, /* Invalid when read only bit */
1917 ARG_O
= 1u<<14 /* OBSOLETE()d command */
1921 GTO
= 1<< 0, /* Grab To: line */
1922 GSUBJECT
= 1<< 1, /* Likewise, Subject: line */
1923 GCC
= 1<< 2, /* And the Cc: line */
1924 GBCC
= 1<< 3, /* And also the Bcc: line */
1926 GNL
= 1<< 4, /* Print blank line after */
1927 GDEL
= 1<< 5, /* Entity removed from list */
1928 GCOMMA
= 1<< 6, /* detract() puts in commas */
1929 GUA
= 1<< 7, /* User-Agent field */
1930 GMIME
= 1<< 8, /* MIME 1.0 fields */
1931 GMSGID
= 1<< 9, /* a Message-ID */
1932 GNAMEONLY
= 1<<10, /* detract() does NOT use fullnames */
1934 GIDENT
= 1<<11, /* From:, Reply-To:, MFT: (user headers) */
1935 GREF
= 1<<12, /* References:, In-Reply-To:, (Message-ID:) */
1936 GDATE
= 1<<13, /* Date: field */
1937 GFULL
= 1<<14, /* Include full names, comments etc. */
1938 GSKIN
= 1<<15, /* Skin names */
1939 GEXTRA
= 1<<16, /* Extra fields (mostly like GIDENT XXX) */
1940 GFILES
= 1<<17, /* Include filename and pipe addresses */
1941 GFULLEXTRA
= 1<<18 /* Only with GFULL: GFULL less address */
1943 #define GMASK (GTO | GSUBJECT | GCC | GBCC)
1947 HF_LIST_REPLY
= 1<< 0,
1948 HF_MFT_SENDER
= 1<< 1, /* Add ourselves to Mail-Followup-To: */
1949 HF_RECIPIENT_RECORD
= 1<<10, /* Save message in file named after rec. */
1953 /* Structure used to pass about the current state of a message (header) */
1954 struct n_header_field
{
1955 struct n_header_field
*hf_next
;
1956 ui32_t hf_nl
; /* Field-name length */
1957 ui32_t hf_bl
; /* Field-body length*/
1958 char hf_dat
[VFIELD_SIZE(0)];
1962 ui32_t h_flags
; /* enum header_flags bits */
1964 struct name
*h_to
; /* Dynamic "To:" string */
1965 char *h_subject
; /* Subject string */
1966 struct name
*h_cc
; /* Carbon copies string */
1967 struct name
*h_bcc
; /* Blind carbon copies */
1968 struct name
*h_ref
; /* References (possibly overridden) */
1969 struct attachment
*h_attach
; /* MIME attachments */
1970 char *h_charset
; /* preferred charset */
1971 struct name
*h_from
; /* overridden "From:" field */
1972 struct name
*h_sender
; /* overridden "Sender:" field */
1973 struct name
*h_replyto
; /* overridden "Reply-To:" field */
1974 struct name
*h_message_id
; /* overridden "Message-ID:" field */
1975 struct name
*h_in_reply_to
;/* overridden "In-Reply-To:" field */
1976 struct name
*h_mft
; /* Mail-Followup-To */
1977 char const *h_list_post
; /* Address from List-Post:, for `Lreply' */
1978 struct n_header_field
*h_user_headers
;
1979 struct n_header_field
*h_custom_headers
; /* (Cached result) */
1982 /* Handling of namelist nodes used in processing the recipients of mail and
1983 * aliases, inspection of mail-addresses and all that kind of stuff */
1985 NAME_NAME_SALLOC
= 1<< 0, /* .n_name is doped */
1986 NAME_FULLNAME_SALLOC
= 1<< 1, /* .n_fullname is doped */
1987 NAME_SKINNED
= 1<< 2, /* Is actually skin()ned */
1988 NAME_IDNA
= 1<< 3, /* IDNA was applied */
1990 NAME_ADDRSPEC_CHECKED
= 1<< 4, /* Address has been .. and */
1991 NAME_ADDRSPEC_ISFILE
= 1<< 5, /* ..is a file path */
1992 NAME_ADDRSPEC_ISPIPE
= 1<< 6, /* ..is a command for piping */
1993 NAME_ADDRSPEC_ISFILEORPIPE
= NAME_ADDRSPEC_ISFILE
| NAME_ADDRSPEC_ISPIPE
,
1994 NAME_ADDRSPEC_ISNAME
= 1<< 7, /* ..is a valid mail network address */
1995 NAME_ADDRSPEC_ISADDR
= 1<< 8, /* ..is a valid mail network address */
1997 NAME_ADDRSPEC_ERR_EMPTY
= 1<< 9, /* An empty string (or NULL) */
1998 NAME_ADDRSPEC_ERR_ATSEQ
= 1<<10, /* Weird @ sequence */
1999 NAME_ADDRSPEC_ERR_CHAR
= 1<<11, /* Invalid character */
2000 NAME_ADDRSPEC_ERR_IDNA
= 1<<12, /* IDNA convertion failed */
2001 NAME_ADDRSPEC_INVALID
= NAME_ADDRSPEC_ERR_EMPTY
|
2002 NAME_ADDRSPEC_ERR_ATSEQ
| NAME_ADDRSPEC_ERR_CHAR
|
2003 NAME_ADDRSPEC_ERR_IDNA
,
2005 /* Error storage (we must fit in 31-bit) */
2007 _NAME_MAXWC
= 0x3FFFF,
2008 _NAME_MASKWC
= _NAME_MAXWC
<< _NAME_SHIFTWC
2011 /* In the !_ERR_EMPTY case, the failing character can be queried */
2012 #define NAME_ADDRSPEC_ERR_GETWC(F) \
2013 ((((unsigned int)(F) & _NAME_MASKWC) >> _NAME_SHIFTWC) & _NAME_MAXWC)
2014 #define NAME_ADDRSPEC_ERR_SET(F, E, WC) \
2016 (F) = ((F) & ~(NAME_ADDRSPEC_INVALID | _NAME_MASKWC)) |\
2017 (E) | (((unsigned int)(WC) & _NAME_MAXWC) << _NAME_SHIFTWC);\
2021 struct name
*n_flink
; /* Forward link in list. */
2022 struct name
*n_blink
; /* Backward list link */
2023 enum gfield n_type
; /* From which list it came */
2024 enum nameflags n_flags
; /* enum nameflags */
2025 char *n_name
; /* This fella's address */
2026 char *n_fullname
; /* Ditto, unless GFULL including comment */
2027 char *n_fullextra
; /* GFULL, without address */
2031 char const *ag_input
; /* Input string as given */
2032 size_t ag_ilen
; /* strlen() of input */
2033 size_t ag_iaddr_start
; /* Start of *addr-spec* in .ag_input */
2034 size_t ag_iaddr_aend
; /* ..and one past its end */
2035 char *ag_skinned
; /* Output (alloced if !=.ag_input) */
2036 size_t ag_slen
; /* strlen() of .ag_skinned */
2037 size_t ag_sdom_start
; /* Start of domain in .ag_skinned, */
2038 enum nameflags ag_n_flags
; /* enum nameflags of .ag_skinned */
2041 /* MIME attachments */
2043 AC_DEFAULT
, /* _get_lc() -> _iter_*() */
2044 AC_FIX_OUTCS
, /* _get_lc() -> "charset=" .a_charset */
2045 AC_FIX_INCS
, /* "charset=".a_input_charset (nocnv) */
2046 AC_TMPFILE
/* attachment.a_tmpf is converted */
2050 struct attachment
*a_flink
; /* Forward link in list. */
2051 struct attachment
*a_blink
; /* Backward list link */
2052 char const *a_name
; /* file name */
2053 char const *a_content_type
; /* content type */
2054 char const *a_content_disposition
; /* content disposition */
2055 char const *a_content_id
; /* content id */
2056 char const *a_content_description
; /* content description */
2057 char const *a_input_charset
; /* Interpretation depends on .a_conv */
2058 char const *a_charset
; /* ... */
2059 FILE *a_tmpf
; /* If AC_TMPFILE */
2060 enum attach_conv a_conv
; /* User chosen conversion */
2061 int a_msgno
; /* message number */
2065 struct header
*sb_hp
;
2068 struct str sb_signer
; /* USER@HOST for signing+ */
2070 struct ccred sb_ccred
;
2073 /* Structure of the hash table of ignored header fields */
2075 int i_count
; /* Number of entries */
2077 struct ignored
*i_link
; /* Next ignored field in bucket */
2078 char *i_field
; /* This ignored field */
2082 /* For saving the current directory and later returning */
2087 char cw_wd
[PATH_MAX
];
2092 * Global variable declarations
2094 * These become instantiated in main.c.
2098 #ifdef n_MAIN_SOURCE
2099 # ifndef HAVE_AMALGAMATION
2108 VL
int mb_cur_max
; /* Value of MB_CUR_MAX */
2109 VL
int realscreenheight
; /* The real screen height */
2110 VL
int scrnwidth
; /* Screen width, or best guess */
2111 VL
int scrnheight
; /* Screen height/guess (4 header) */
2113 VL
char const *homedir
; /* Path name of home directory */
2114 VL
char const *myname
; /* My login name */
2115 VL
char const *progname
; /* Our name */
2116 VL
char const *tempdir
; /* The temporary directory */
2118 VL gid_t group_id
; /* getgid() and getuid() */
2121 VL
int exit_status
; /* Exit status */
2122 VL ui32_t options
; /* Bits of enum user_options */
2123 VL
struct name
*option_r_arg
; /* Argument to -r option */
2124 VL
char const **smopts
; /* sendmail(1) opts from commline */
2125 VL
size_t smopts_count
; /* Entries in smopts */
2127 VL ui32_t pstate
; /* Bits of enum program_state */
2128 VL
size_t noreset
; /* String resets suspended (recursive) */
2130 /* XXX stylish sorting */
2131 VL
int msgCount
; /* Count of messages read in */
2132 VL
struct mailbox mb
; /* Current mailbox */
2133 VL
int image
; /* File descriptor for msg image */
2134 VL
char mailname
[PATH_MAX
]; /* Name of current file TODO URL/object*/
2135 VL
char displayname
[80 - 40]; /* Prettyfied for display TODO URL/obj*/
2136 VL
char prevfile
[PATH_MAX
]; /* Name of previous file TODO URL/obj */
2137 VL
char const *account_name
; /* Current account name or NULL */
2138 VL off_t mailsize
; /* Size of system mailbox */
2139 VL
struct message
*dot
; /* Pointer to current message */
2140 VL
struct message
*prevdot
; /* Previous current message */
2141 VL
struct message
*message
; /* The actual message structure */
2142 VL
struct message
*threadroot
; /* first threaded message */
2143 VL
int *n_msgvec
; /* Folder setmsize(), list.c res. store*/
2145 VL
struct ignoretab ignore
[2]; /* ignored and retained fields
2146 * 0 is ignore, 1 is retain */
2147 VL
struct ignoretab saveignore
[2]; /* ignored and retained fields
2148 * on save to folder */
2149 VL
struct ignoretab allignore
[2]; /* special, ignore all headers */
2150 VL
struct ignoretab fwdignore
[2]; /* fields to ignore for forwarding */
2152 VL
struct time_current time_current
; /* time(3); send: mail1() XXXcarrier */
2153 VL
struct termios_state termios_state
; /* getpassword(); see commands().. */
2156 VL
enum ssl_verify_level ssl_verify_level
; /* SSL verification level */
2163 VL sigjmp_buf srbuf
;
2165 VL sighandler_type dflpipe
;
2166 VL sighandler_type handlerstacktop
;
2167 #define handlerpush(f) (savedtop = handlerstacktop, handlerstacktop = (f))
2168 #define handlerpop() (handlerstacktop = savedtop)
2170 /* TODO Temporary hacks unless the codebase doesn't jump and uses pass-by-value
2171 * TODO carrier structs instead of locals */
2172 VL
char *temporary_arg_v_store
;
2173 VL
void *temporary_localopts_store
;
2174 /* TODO temporary storage to overcome which_protocol() mess (for PROTO_FILE) */
2175 VL
char const *temporary_protocol_ext
;
2177 /* The remaining variables need initialization */
2179 #ifndef HAVE_AMALGAMATION
2180 VL
char const month_names
[12 + 1][4];
2181 VL
char const weekday_names
[7 + 1][4];
2183 VL
char const uagent
[sizeof UAGENT
];
2185 VL uc_i
const class_char
[1 + 0x7F];
2189 * Finally, let's include the function prototypes XXX embed
2192 #ifndef n_PRIVSEP_SOURCE
2193 # include "nailfuns.h"