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 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
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>
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)
151 # define n_O_NOFOLLOW O_NOFOLLOW
153 # define n_O_NOFOLLOW 0
158 #if BUFSIZ + 0 > 2560 /* TODO simply use BUFSIZ? */
159 # define LINESIZE BUFSIZ /* max readable line width */
161 # define LINESIZE 2560
163 #define BUFFER_SIZE (BUFSIZ >= (1u << 13) ? BUFSIZ : (1u << 14))
165 /* Network protocol newline */
166 #define NETNL "\015\012"
167 #define NETLINE(X) X NETNL
169 /* Number of Not-Yet-Dead calls that are remembered */
170 #if defined HAVE_DEBUG || defined HAVE_DEVEL || defined HAVE_NYD2
172 # define NYD_CALLS_MAX (25 * 84)
173 # elif defined HAVE_DEVEL
174 # define NYD_CALLS_MAX (25 * 42)
176 # define NYD_CALLS_MAX (25 * 10)
180 #define APPEND /* New mail goes to end of mailbox */
181 #define CBAD (-15555)
182 #define DOTLOCK_TRIES 5 /* Number of open(2) calls for dotlock */
183 #define FILE_LOCK_TRIES 10 /* Maximum tries before n_file_lock() fails */
184 #define FILE_LOCK_MILLIS 200 /* If UIZ_MAX, fall back to that */
185 #define n_ERROR "ERROR" /* Is-error? Also as n_error[] */
186 #define ERRORS_MAX 1000 /* Maximum error ring entries TODO configable*/
187 #define n_ESCAPE '~' /* Default escape for sending */
188 #define HSHSIZE 23 /* Hash prime TODO make dynamic, obsolete */
189 #define MAXARGC 1024 /* Maximum list of raw strings */
190 #define MAXEXP 25 /* Maximum expansion of aliases */
191 #define REFERENCES_MAX 20 /* Maximum entries in References: */
192 #define n_UNIREPL "\xEF\xBF\xBD" /* 0xFFFD in UTF-8 */
193 #define FTMP_OPEN_TRIES 10 /* Maximum number of Ftmp() open(2) tries */
194 #define n_VEXPR_REGEX_MAX 10 /* Maximum address. `vexpr' regex(7) matches */
196 #define ACCOUNT_NULL "null" /* Name of "null" account */
200 # define n_COLOUR(X) X
205 /* Special FD requests for run_command() / start_command() */
206 #define COMMAND_FD_PASS -1
207 #define COMMAND_FD_NULL -2
210 #define FROM_DATEBUF 64 /* Size of RFC 4155 From_ line date */
211 #define DATE_DAYSYEAR 365L
212 #define DATE_SECSMIN 60L
213 #define DATE_MINSHOUR 60L
214 #define DATE_HOURSDAY 24L
215 #define DATE_SECSHOUR (DATE_SECSMIN * DATE_MINSHOUR)
216 #define DATE_SECSDAY (DATE_SECSHOUR * DATE_HOURSDAY)
218 /* *indentprefix* default as of POSIX */
219 #define INDENT_DEFAULT "\t"
221 /* Auto-reclaimed memory storage: size of the buffers. Maximum auto-reclaimed
222 * storage is that value /2, which is n_CTA()ed to be > 1024 */
223 #define n_MEMORY_AUTOREC_SIZE 0x2000u
224 /* Ugly, but avoid dynamic allocation for the management structure! */
225 #define n_MEMORY_AUTOREC_TYPE_SIZEOF (7 * sizeof(void*))
227 /* Default *encoding* as enum mime_enc below */
228 #define MIME_DEFAULT_ENCODING MIMEE_B64
230 /* Maximum allowed line length in a mail before QP folding is necessary), and
231 * the real limit we go for */
232 #define MIME_LINELEN_MAX 998 /* Plus CRLF */
233 #define MIME_LINELEN_LIMIT (MIME_LINELEN_MAX - 48)
236 #define MIME_LINELEN 78 /* Plus CRLF */
238 /* And in headers which contain an encoded word according to RFC 2047 there is
239 * yet another limit; also RFC 2045: 6.7, (5). */
240 #define MIME_LINELEN_RFC2047 76
242 /* Locations of mime.types(5) */
243 #define MIME_TYPES_USR "~/.mime.types"
244 #define MIME_TYPES_SYS "/etc/mime.types"
246 /* Fallback MIME charsets, if *charset-7bit* and *charset-8bit* or not set.
247 * Note: must be lowercase! Changes affect enum okeys!
248 * (Keep in SYNC: ./nail.1:"Character sets", ./nail.h:CHARSET_*!) */
249 #define CHARSET_7BIT "us-ascii"
251 # define CHARSET_8BIT "utf-8"
252 # define CHARSET_8BIT_OKEY charset_8bit
254 # define CHARSET_8BIT "iso-8859-1"
255 # define CHARSET_8BIT_OKEY ttycharset
258 /* Some environment variables for pipe hooks etc. */
259 #define n_PIPEENV_FILENAME "MAILX_FILENAME"
260 #define n_PIPEENV_FILENAME_GENERATED "MAILX_FILENAME_GENERATED"
261 #define n_PIPEENV_FILENAME_TEMPORARY "MAILX_FILENAME_TEMPORARY"
262 #define n_PIPEENV_CONTENT "MAILX_CONTENT"
263 #define n_PIPEENV_CONTENT_EVIDENCE "MAILX_CONTENT_EVIDENCE"
265 /* Is *W* a quoting (ASCII only) character? */
267 ((W) == n_WC_C('>') || (W) == n_WC_C('|') ||\
268 (W) == n_WC_C('}') || (W) == n_WC_C(':'))
270 /* Maximum number of quote characters (not bytes!) that'll be used on
271 * follow lines when compressing leading quote characters */
274 /* How much spaces should a <tab> count when *quote-fold*ing? (power-of-two!) */
275 #define QUOTE_TAB_SPACES 8
277 /* Smells fishy after, or asks for shell expansion, dependent on context */
278 #define n_SHEXP_MAGIC_PATH_CHARS "|&;<>{}()[]*?$`'\"\\"
280 /* Maximum size of a message that is passed through to the spam system */
281 #define SPAM_MAXSIZE 420000
283 /* Switch indicating necessity of terminal access interface (termcap.c) */
284 #if defined HAVE_TERMCAP || defined HAVE_COLOUR || defined HAVE_MLE
289 * OS, CC support, generic macros etc.
292 #define n_ISPOW2(X) ((((X) - 1) & (X)) == 0)
293 #define n_MIN(A,B) ((A) < (B) ? (A) : (B))
294 #define n_MAX(A,B) ((A) < (B) ? (B) : (A))
295 #define n_CLIP(X,A,B) (((X) <= (A)) ? (A) : (((X) >= (B)) ? (B) : (X)))
296 #define n_ABS(A) ((A) < 0 ? -(A) : (A))
298 /* OS: we're not a library, only set what needs special treatment somewhere */
299 #define n_OS_DRAGONFLY 0
300 #define n_OS_OPENBSD 0
301 #define n_OS_SOLARIS 0
305 # undef n_OS_DRAGONFLY
306 # define n_OS_DRAGONFLY 1
307 #elif defined __OpenBSD__
309 # define n_OS_OPENBSD 1
310 #elif defined __solaris__ || defined __sun
311 # if defined __SVR4 || defined __svr4__
313 # define n_OS_SOLARIS 1
316 # define n_OS_SUNOS 1
322 #define PREREQ_CLANG(X,Y) 0
324 #define PREREQ_GCC(X,Y) 0
326 #define PREREQ_TCC(X,Y) 0
332 # define PREREQ_CLANG(X,Y) \
333 (__clang_major__ + 0 > (X) || \
334 (__clang_major__ + 0 == (X) && __clang_minor__ + 0 >= (Y)))
335 # define __EXTEN __extension__
337 #elif defined __GNUC__
341 # define PREREQ_GCC(X,Y) \
342 (__GNUC__ + 0 > (X) || (__GNUC__ + 0 == (X) && __GNUC_MINOR__ + 0 >= (Y)))
343 # define __EXTEN __extension__
345 #elif defined __TINYC__
354 /* Suppress some technical warnings via #pragma's unless developing.
355 * XXX Wild guesses: clang(1) 1.7 and (OpenBSD) gcc(1) 4.2.1 don't work */
357 # if PREREQ_CLANG(3, 4)
358 # pragma clang diagnostic ignored "-Wassign-enum"
359 # pragma clang diagnostic ignored "-Wdisabled-macro-expansion"
360 # pragma clang diagnostic ignored "-Wformat"
361 # pragma clang diagnostic ignored "-Wunused-result"
362 # elif PREREQ_GCC(4, 7)
363 # pragma GCC diagnostic ignored "-Wunused-local-typedefs"
364 # pragma GCC diagnostic ignored "-Wunused-result"
365 # pragma GCC diagnostic ignored "-Wformat"
369 /* For injection macros like DBG(), n_NATCH_CHAR() */
372 #define EMPTY_FILE() typedef int n_CONCAT(avoid_empty_file__, n_FILE);
374 /* Pointer to size_t */
375 #define PTR2SIZE(X) ((size_t)(uintptr_t)(X))
377 /* Pointer comparison (types from below) */
378 #define PTRCMP(A,C,B) ((uintptr_t)(A) C (uintptr_t)(B))
380 /* Ditto, compare (maybe mixed-signed) integers cases to T bits, unsigned;
381 * Note: doesn't sign-extend correctly, that's still up to the caller */
382 #define UICMP(T,A,C,B) ((ui ## T ## _t)(A) C (ui ## T ## _t)(B))
384 /* Align something to a size/boundary that cannot cause just any problem */
385 #define n_ALIGN(X) (((X) + 2*sizeof(void*)) & ~((2*sizeof(void*)) - 1))
386 #define n_ALIGN_SMALL(X) \
387 (((X) + n_MAX(sizeof(size_t), sizeof(void*))) &\
388 ~(n_MAX(sizeof(size_t), sizeof(void*)) - 1))
390 /* Members in constant array */
391 #define n_NELEM(A) (sizeof(A) / sizeof((A)[0]))
393 /* sizeof() for member fields */
394 #define n_SIZEOF_FIELD(T,F) sizeof(((T *)NULL)->F)
396 /* Casts-away (*NOT* cast-away) */
397 #define n_UNUSED(X) ((void)(X))
398 #define n_UNCONST(P) ((void*)(uintptr_t)(void const*)(P))
399 #define n_UNVOLATILE(P) ((void*)(uintptr_t)(void volatile*)(P))
400 /* To avoid warnings with modern compilers for "char*i; *(si32_t*)i=;" */
401 #define n_UNALIGN(T,P) ((T)(uintptr_t)(P))
402 #define n_UNXXX(T,C,P) ((T)(uintptr_t)(C)(P))
404 /* __STDC_VERSION__ is ISO C99, so also use __STDC__, which should work */
405 #if defined __STDC__ || defined __STDC_VERSION__ /*|| defined __cplusplus*/
406 # define n_STRING(X) #X
407 # define n_XSTRING(X) n_STRING(X)
408 # define n_CONCAT(S1,S2) n__CONCAT_1(S1, S2)
409 # define n__CONCAT_1(S1,S2) S1 ## S2
411 # define n_STRING(X) "X"
412 # define n_XSTRING STRING
413 # define n_CONCAT(S1,S2) S1/* won't work out */S2
416 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
417 # define n_FIELD_INITN(N) CONCAT(., N) =
418 # define n_FIELD_INITI(I) [I] =
420 # define n_FIELD_INITN(N)
421 # define n_FIELD_INITI(N)
424 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
425 # define n_VFIELD_SIZE(X)
426 # define n_VSTRUCT_SIZEOF(T,F) sizeof(T)
428 # define n_VFIELD_SIZE(X) \
429 ((X) == 0 ? sizeof(size_t) \
430 : ((ssize_t)(X) < 0 ? sizeof(size_t) - n_ABS(X) : (size_t)(X)))
431 # define n_VSTRUCT_SIZEOF(T,F) (sizeof(T) - n_SIZEOF_FIELD(T, F))
435 # define SINLINE n_INLINE /* TODO obsolete */
437 # define SINLINE static
441 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 199901L
442 # define __FUN__ __func__
443 #elif CC_CLANG || PREREQ_GCC(3, 4)
444 # define __FUN__ __extension__ __FUNCTION__
446 # define __FUN__ n_uagent /* Something that is not a literal */
449 #if defined __predict_true && defined __predict_false
450 # define n_LIKELY(X) __predict_true(X)
451 # define n_UNLIKELY(X) __predict_false(X)
452 #elif CC_CLANG || PREREQ_GCC(2, 96)
453 # define n_LIKELY(X) __builtin_expect(X, 1)
454 # define n_UNLIKELY(X) __builtin_expect(X, 0)
456 # define n_LIKELY(X) (X)
457 # define n_UNLIKELY(X) (X)
460 #undef HAVE_NATCH_CHAR
461 #if defined HAVE_SETLOCALE && defined HAVE_C90AMEND1 && defined HAVE_WCWIDTH
462 # define HAVE_NATCH_CHAR
463 # define n_NATCH_CHAR(X) X
465 # define n_NATCH_CHAR(X)
468 /* Compile-Time-Assert
469 * Problem is that some compilers warn on unused local typedefs, so add
470 * a special local CTA to overcome this */
471 #if defined __STDC_VERSION__ && __STDC_VERSION__ + 0 >= 201112L
472 # define n_CTA(T,M) _Static_assert(T, M)
473 # define n_LCTA(T,M) _Static_assert(T, M)
475 # define n_CTA(T,M) n__CTA_1(T, n_FILE, __LINE__)
476 # define n_LCTA(T,M) n__LCTA_1(T, n_FILE, __LINE__)
478 #define n_CTAV(T) n_CTA(T, "Unexpected value of constant")
479 #define n_LCTAV(T) n_LCTA(T, "Unexpected value of constant")
482 # define n_MCTA(T,M) n_CTA(T, M);
487 #define n__CTA_1(T,F,L) n__CTA_2(T, F, L)
488 #define n__CTA_2(T,F,L) \
489 typedef char ASSERTION_failed_in_file_## F ## _at_line_ ## L[(T) ? 1 : -1]
490 #define n__LCTA_1(T,F,L) n__LCTA_2(T, F, L)
491 #define n__LCTA_2(T,F,L) \
493 typedef char ASSERTION_failed_in_file_## F ## _at_line_ ## L[(T) ? 1 : -1];\
494 ASSERTION_failed_in_file_## F ## _at_line_ ## L __i_am_unused__;\
495 n_UNUSED(__i_am_unused__);\
498 #define n_UNINIT(N,V) N = V
500 /* Create a bit mask for the bit range LO..HI -- HI can't use highest bit! */
501 #define n_BITENUM_MASK(LO,HI) (((1u << ((HI) + 1)) - 1) & ~((1u << (LO)) - 1))
507 # define assert(X) n_UNUSED(0)
510 # define DBGOR(X,Y) Y
514 # define DBGOR(X,Y) X
517 /* Translation (init in main.c): may NOT set errno! */
526 * Types TODO v15: n_XX_t
530 # define UI8_MAX UINT8_MAX
531 # define SI8_MIN INT8_MIN
532 # define SI8_MAX INT8_MAX
533 typedef uint8_t ui8_t
;
534 typedef int8_t si8_t
;
535 #elif UCHAR_MAX != 255
536 # error UCHAR_MAX must be 255
538 # define UI8_MAX UCHAR_MAX
539 # define SI8_MIN CHAR_MIN
540 # define SI8_MAX CHAR_MAX
541 typedef unsigned char ui8_t
;
542 typedef signed char si8_t
;
545 #if !defined PRIu8 || !defined PRId8
553 # define UI16_MAX UINT16_MAX
554 # define SI16_MIN INT16_MIN
555 # define SI16_MAX INT16_MAX
556 typedef uint16_t ui16_t
;
557 typedef int16_t si16_t
;
558 #elif USHRT_MAX != 0xFFFFu
559 # error USHRT_MAX must be 0xFFFF
561 # define UI16_MAX USHRT_MAX
562 # define SI16_MIN SHRT_MIN
563 # define SI16_MAX SHRT_MAX
564 typedef unsigned short ui16_t
;
565 typedef signed short si16_t
;
568 #if !defined PRIu16 || !defined PRId16
571 # if UI16_MAX == UINT_MAX
581 # define UI32_MAX UINT32_MAX
582 # define SI32_MIN INT32_MIN
583 # define SI32_MAX INT32_MAX
584 typedef uint32_t ui32_t
;
585 typedef int32_t si32_t
;
586 #elif ULONG_MAX == 0xFFFFFFFFu
587 # define UI32_MAX ULONG_MAX
588 # define SI32_MIN LONG_MIN
589 # define SI32_MAX LONG_MAX
590 typedef unsigned long int ui32_t
;
591 typedef signed long int si32_t
;
592 #elif UINT_MAX != 0xFFFFFFFFu
593 # error UINT_MAX must be 0xFFFFFFFF
595 # define UI32_MAX UINT_MAX
596 # define SI32_MIN INT_MIN
597 # define SI32_MAX INT_MAX
598 typedef unsigned int ui32_t
;
599 typedef signed int si32_t
;
602 #if !defined PRIu32 || !defined PRId32
605 # if UI32_MAX == ULONG_MAX
615 # define UI64_MAX UINT64_MAX
616 # define SI64_MIN INT64_MIN
617 # define SI64_MAX INT64_MAX
618 typedef uint64_t ui64_t
;
619 typedef int64_t si64_t
;
620 #elif ULONG_MAX <= 0xFFFFFFFFu
621 # if !defined ULLONG_MAX || (ULLONG_MAX >> 31) < 0xFFFFFFFFu
622 # error We need a 64 bit integer
624 # define UI64_MAX ULLONG_MAX
625 # define SI64_MIN LLONG_MIN
626 # define SI64_MAX LLONG_MAX
627 __EXTEN
typedef unsigned long long ui64_t
;
628 __EXTEN
typedef signed long long si64_t
;
631 # define UI64_MAX ULONG_MAX
632 # define SI64_MIN LONG_MIN
633 # define SI64_MAX LONG_MAX
634 typedef unsigned long ui64_t
;
635 typedef signed long si64_t
;
638 /* PRIo64 for `vexpr' */
639 #if !defined PRIu64 || !defined PRId64 || !defined PRIX64 || !defined PRIo64
644 # if defined ULLONG_MAX && UI64_MAX == ULLONG_MAX
645 # define PRIu64 "llu"
646 # define PRId64 "lld"
647 # define PRIX64 "llX"
648 # define PRIo64 "llo"
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 #ifdef HAVE_C90AMEND1
716 typedef wchar_t wc_t
;
717 # define n_WC_C(X) L ## X
719 typedef char wc_t
; /* Yep: really 8-bit char */
723 enum {FAL0
, TRU1
, TRUM1
= -1};
724 typedef si8_t bool_t
;
726 /* Add shorter aliases for "normal" integers TODO v15 -> n_XX_t */
727 typedef unsigned long ul_i
;
728 typedef unsigned int ui_i
;
729 typedef unsigned short us_i
;
730 typedef unsigned char uc_i
;
732 typedef signed long sl_i
;
733 typedef signed int si_i
;
734 typedef signed short ss_i
;
735 typedef signed char sc_i
;
737 typedef void ( *sighandler_type
)(int); /* TODO v15 obsolete */
738 typedef void ( *n_sighdl_t
)(int);
741 AUTHTYPE_NONE
= 1<<0,
742 AUTHTYPE_PLAIN
= 1<<1, /* POP3: APOP is covered by this */
743 AUTHTYPE_LOGIN
= 1<<2,
744 AUTHTYPE_CRAM_MD5
= 1<<3,
745 AUTHTYPE_GSSAPI
= 1<<4
748 enum expand_addr_flags
{
749 EAF_NONE
= 0, /* -> EAF_NOFILE | EAF_NOPIPE */
750 EAF_RESTRICT
= 1<<0, /* "restrict" (do unless interaktive / -[~#]) */
751 EAF_FAIL
= 1<<1, /* "fail" */
752 EAF_FAILINVADDR
= 1<<2, /* "failinvaddr" */
753 /* TODO HACK! In pre-v15 we have a control flow problem (it is a general
754 * TODO design problem): if collect() calls makeheader(), e.g., for -t or
755 * TODO because of ~e diting, then that will checkaddr() and that will
756 * TODO remove invalid headers. However, this code path does not know
757 * TODO about keeping track of senderrors unless a pointer has been passed,
758 * TODO but which it doesn't for ~e, and shall not, too. Thus, invalid
759 * TODO addresses may be automatically removed, silently, and noone will
760 * TODO ever know, in particular not regarding "failinvaddr".
761 * TODO The hacky solution is this bit -- which can ONLY be used for fields
762 * TODO which will be subject to namelist_vaporise_head() later on!! --,
763 * TODO if it is set (by extract_header()) then checkaddr() will NOT strip
764 * TODO invalid headers off IF it deals with a NULL senderror pointer */
766 /* Bits reused by enum expand_addr_check_mode! */
767 EAF_FILE
= 1<<4, /* +"file" targets */
768 EAF_PIPE
= 1<<5, /* +"pipe" command pipe targets */
769 EAF_NAME
= 1<<6, /* +"name"s (non-address) names / MTA aliases */
770 EAF_ADDR
= 1<<7, /* +"addr" network address (contain "@") */
772 EAF_TARGET_MASK
= EAF_FILE
| EAF_PIPE
| EAF_NAME
| EAF_ADDR
,
773 EAF_RESTRICT_TARGETS
= EAF_NAME
| EAF_ADDR
/* (default set if not set) */
776 enum expand_addr_check_mode
{
777 EACM_NONE
= 0, /* Don't care about *expandaddr* */
778 EACM_NORMAL
= 1<<0, /* Use our normal *expandaddr* checking */
779 EACM_STRICT
= 1<<1, /* Never allow any file or pipe addresse */
780 EACM_MODE_MASK
= 0x3, /* _NORMAL and _STRICT are mutual! */
782 EACM_NOLOG
= 1<<2, /* Don't log check errors */
784 /* Some special overwrites of EAF_TARGETs.
785 * May NOT clash with EAF_* bits which may be ORd to these here! */
790 enum n_cmd_arg_desc_flags
{/* TODO incomplete, misses getmsglist() */
792 n_CMD_ARG_DESC_STRING
= 1<<0, /* A !blankspacechar() string */
793 n_CMD_ARG_DESC_WYSH
= 1<<1, /* sh(1)ell-style quoted */
795 n__CMD_ARG_DESC_TYPE_MASK
= n_CMD_ARG_DESC_STRING
| n_CMD_ARG_DESC_WYSH
,
797 /* - Optional flags */
798 /* It is not an error if an optional argument is missing; once an argument
799 * has been declared optional only optional arguments may follow */
800 n_CMD_ARG_DESC_OPTION
= 1<<16,
801 /* GREEDY: parse as many of that type as possible; must be last entry */
802 n_CMD_ARG_DESC_GREEDY
= 1<<17,
803 /* Honour an overall "stop" request in one of the arguments (\c@ or #) */
804 n_CMD_ARG_DESC_HONOUR_STOP
= 1<<18,
806 n__CMD_ARG_DESC_FLAG_MASK
= n_CMD_ARG_DESC_OPTION
| n_CMD_ARG_DESC_GREEDY
|
807 n_CMD_ARG_DESC_HONOUR_STOP
811 /* We do have several contexts of colour IDs; since only one of them can be
812 * active at any given time let's share the value range */
822 n_COLOUR_ID_SUM_DOTMARK
= 0,
823 n_COLOUR_ID_SUM_HEADER
,
824 n_COLOUR_ID_SUM_THREAD
,
826 /* Message display */
827 n_COLOUR_ID_VIEW_FROM_
= 0,
828 n_COLOUR_ID_VIEW_HEADER
,
829 n_COLOUR_ID_VIEW_MSGINFO
,
830 n_COLOUR_ID_VIEW_PARTINFO
,
832 /* Mailx-Line-Editor */
833 n_COLOUR_ID_MLE_POSITION
= 0,
834 n_COLOUR_ID_MLE_PROMPT
,
836 n__COLOUR_IDS
= n_COLOUR_ID_VIEW_PARTINFO
+ 1
839 /* Colour preconditions, let's call them tags, cannot be an enum because for
840 * message display they are the actual header name of the current header. Thus
841 * let's use constants of pseudo pointers */
842 # define n_COLOUR_TAG_SUM_DOT ((char*)-2)
843 # define n_COLOUR_TAG_SUM_OLDER ((char*)-3)
844 #endif /* HAVE_COLOUR */
847 CONV_NONE
, /* no conversion */
848 CONV_7BIT
, /* no conversion, is 7bit */
849 CONV_FROMQP
, /* convert from quoted-printable */
850 CONV_TOQP
, /* convert to quoted-printable */
851 CONV_8BIT
, /* convert to 8bit (iconv) */
852 CONV_FROMB64
, /* convert from base64 */
853 CONV_FROMB64_T
, /* convert from base64/text */
854 CONV_TOB64
, /* convert to base64 */
855 CONV_FROMHDR
, /* convert from RFC1522 format */
856 CONV_TOHDR
, /* convert to RFC1522 format */
857 CONV_TOHDR_A
/* convert addresses for header */
861 CPROTO_CCRED
, /* Special dummy credential proto (S/MIME etc.) */
866 enum n_dotlock_state
{
868 n_DLS_CANT_CHDIR
, /* Failed to chdir(2) into desired path */
869 n_DLS_NAMETOOLONG
, /* Lock file name would be too long */
870 n_DLS_ROFS
, /* Read-only filesystem (no error, mailbox RO) */
871 n_DLS_NOPERM
, /* No permission to creat lock file */
872 n_DLS_NOEXEC
, /* Privilege separated dotlocker not found */
873 n_DLS_PRIVFAILED
, /* Rising privileges failed in dotlocker */
874 n_DLS_EXIST
, /* Lock file already exists, stale lock? */
875 n_DLS_FISHY
, /* Something makes us think bad of situation */
876 n_DLS_DUNNO
, /* Catch-all error */
877 n_DLS_PING
, /* Not an error, but have to wait for lock */
878 n_DLS_ABANDON
= 1<<7 /* ORd to any but _NONE: give up, don't retry */
882 n_EXIT_OK
= EXIT_SUCCESS
,
883 n_EXIT_ERR
= EXIT_FAILURE
,
884 n_EXIT_USE
= 64, /* sysexits.h:EX_USAGE */
885 n_EXIT_NOUSER
= 67, /* :EX_NOUSER */
886 n_EXIT_COLL_ABORT
= 1<<1, /* Message collection was aborted */
887 n_EXIT_SEND_ERROR
= 1<<2 /* Unspecified send error occurred */
892 FEDIT_SYSBOX
= 1<<0, /* %: prefix */
893 FEDIT_RDONLY
= 1<<1, /* Readonly (per-box, n_OPT_R_FLAG is global) */
894 FEDIT_NEWMAIL
= 1<<2 /* `newmail' operation TODO OBSOLETE THIS! */
898 FEXP_FULL
, /* Full expansion */
899 FEXP_NOPROTO
= 1<<0, /* TODO no which_protocol() to decide expansion */
900 FEXP_SILENT
= 1<<1, /* Don't print but only return errors */
901 FEXP_MULTIOK
= 1<<2, /* Expansion to many entries is ok */
902 FEXP_LOCAL
= 1<<3, /* Result must be local file/maildir */
903 FEXP_NSHORTCUT
= 1<<4, /* Don't expand shortcuts */
904 FEXP_NSPECIAL
= 1<<5, /* No %,#,& specials */
905 FEXP_NFOLDER
= 1<<6, /* NSPECIAL and no + folder, too */
906 FEXP_NSHELL
= 1<<7, /* Don't do shell word exp. (but ~/, $VAR) */
907 FEXP_NVAR
= 1<<8 /* ..not even $VAR expansion */
910 enum n_file_lock_type
{
917 n_ICONV_IGN_ILSEQ
= 1<<0, /* Ignore EILSEQ in input (replacement char) */
918 n_ICONV_IGN_NOREVERSE
= 1<<1, /* .. non-reversible conversions in output */
919 n_ICONV_UNIREPL
= 1<<2, /* Use Unicode replacement 0xFFFD = EF BF BD */
920 n_ICONV_DEFAULT
= n_ICONV_IGN_ILSEQ
| n_ICONV_IGN_NOREVERSE
,
921 n_ICONV_UNIDEFAULT
= n_ICONV_DEFAULT
| n_ICONV_UNIREPL
924 /* Special ignore (where _TYPE is covered by POSIX `ignore' / `retain').
925 * _ALL is very special in that it doesn't have a backing object.
926 * Go over enum to avoid cascads of (different) CC warnings for used CTA()s */
927 #define n_IGNORE_ALL ((struct n_ignore*)n__IGNORE_ALL)
928 #define n_IGNORE_TYPE ((struct n_ignore*)n__IGNORE_TYPE)
929 #define n_IGNORE_SAVE ((struct n_ignore*)n__IGNORE_SAVE)
930 #define n_IGNORE_FWD ((struct n_ignore*)n__IGNORE_FWD)
931 #define n_IGNORE_TOP ((struct n_ignore*)n__IGNORE_TOP)
939 n__IGNORE_ADJUST
= 3,
940 n__IGNORE_MAX
= 6 - n__IGNORE_ADJUST
945 n_IDEC_MODE_SIGNED_TYPE
= 1<<0, /* To choose limits, error constants etc. */
947 n_IDEC_MODE_SIGN_FORCE_SIGNED_TYPE
= 1<<2,
949 n_IDEC_MODE_LIMIT_8BIT
= 1<<3, /* Saturate if result exceeds 8-bit */
950 n_IDEC_MODE_LIMIT_16BIT
= 2<<3,
951 n_IDEC_MODE_LIMIT_32BIT
= 3<<3,
952 n__IDEC_MODE_LIMIT_MASK
= 3<<3,
953 n_IDEC_MODE_LIMIT_NOERROR
= 1<<5, /* Not an error if limit is excessed! */
954 /* These bits are duplicated in the _state result bits! */
955 n__IDEC_MODE_MASK
= (1<<6) - 1
960 /* Malformed input, no usable result has been stored */
961 n_IDEC_STATE_EINVAL
= 1<<8,
962 /* Bad character according to base, but we have seen some good before,
963 * otherwise _EINVAL would have been used */
964 n_IDEC_STATE_EBASE
= 2<<8,
965 n_IDEC_STATE_EOVERFLOW
= 3<<8, /* Result too large */
966 n_IDEC_STATE_EMASK
= (3<<8), /* Any errors, that is */
967 n_IDEC_STATE_SEEN_MINUS
= 1<<16, /* Seen - in input? */
968 n_IDEC_STATE_CONSUMED
= 1<<17, /* All the input buffer was consumed */
969 n__IDEC_PRIVATE_SHIFT1
= 24
971 n_MCTA(n__IDEC_MODE_MASK
<= (1<<8) - 1, "Shared bit range overlaps")
973 enum n_lexinput_flags
{
975 n_LEXINPUT_CTX_BASE
= 0, /* Generic shared base: don't use! */
976 n_LEXINPUT_CTX_DEFAULT
= 1, /* Default input */
977 n_LEXINPUT_CTX_COMPOSE
= 2, /* Compose mode input */
978 n__LEXINPUT_CTX_MASK
= 3,
979 n__LEXINPUT_CTX_MAX1
= n_LEXINPUT_CTX_COMPOSE
+ 1,
981 n_LEXINPUT_FORCE_STDIN
= 1<<8, /* Even in macro, use stdin (`read')! */
982 n_LEXINPUT_NL_ESC
= 1<<9, /* Support "\\$" line continuation */
983 n_LEXINPUT_NL_FOLLOW
= 1<<10, /* ..on such a follow line */
984 n_LEXINPUT_PROMPT_NONE
= 1<<11, /* Don't print prompt */
985 n_LEXINPUT_PROMPT_EVAL
= 1<<12, /* Instead, evaluate *prompt* */
987 n_LEXINPUT_DROP_TRAIL_SPC
= 1<<14, /* Drop any trailing space */
988 n_LEXINPUT_DROP_LEAD_SPC
= 1<<15, /* ..leading ones */
989 n_LEXINPUT_TRIM_SPACE
= n_LEXINPUT_DROP_TRAIL_SPC
| n_LEXINPUT_DROP_LEAD_SPC
,
992 n_LEXINPUT_HIST_ADD
= 1<<16, /* Add the result to history list */
993 n_LEXINPUT_HIST_GABBY
= 1<<17 /* Consider history entry as gabby */
996 enum n_input_inject_flags
{
997 n_INPUT_INJECT_NONE
= 0,
998 n_INPUT_INJECT_COMMIT
= 1<<0, /* Auto-commit input */
999 n_INPUT_INJECT_HISTORY
= 1<<1 /* Allow history addition */
1003 MIME_UNKNOWN
, /* unknown content */
1004 MIME_SUBHDR
, /* inside a multipart subheader */
1005 MIME_822
, /* message/rfc822 content */
1006 MIME_MESSAGE
, /* other message/ content */
1007 MIME_TEXT_PLAIN
, /* text/plain content */
1008 MIME_TEXT_HTML
, /* text/html content */
1009 MIME_TEXT
, /* other text/ content */
1010 MIME_ALTERNATIVE
, /* multipart/alternative content */
1011 MIME_RELATED
, /* mime/related (RFC 2387) */
1012 MIME_DIGEST
, /* multipart/digest content */
1013 MIME_SIGNED
, /* multipart/signed */
1014 MIME_ENCRYPTED
, /* multipart/encrypted */
1015 MIME_MULTI
, /* other multipart/ content */
1016 MIME_PKCS7
, /* PKCS7 content */
1017 MIME_DISCARD
/* content is discarded */
1020 enum mime_counter_evidence
{
1022 MIMECE_SET
= 1<<0, /* *mime-counter-evidence* was set */
1023 MIMECE_BIN_OVWR
= 1<<1, /* appli../octet-stream: check, ovw if possible */
1024 MIMECE_ALL_OVWR
= 1<<2, /* all: check, ovw if possible */
1025 MIMECE_BIN_PARSE
= 1<<3 /* appli../octet-stream: classify contents last */
1028 /* Content-Transfer-Encodings as defined in RFC 2045:
1029 * - Quoted-Printable, section 6.7
1030 * - Base64, section 6.8 */
1031 #define QP_LINESIZE (4 * 19) /* Max. compliant QP linesize */
1033 #define B64_LINESIZE (4 * 19) /* Max. compliant Base64 linesize */
1034 #define B64_ENCODE_INPUT_PER_LINE 57 /* Max. input for Base64 encode/line */
1037 MIMEE_NONE
, /* message is not in MIME format */
1038 MIMEE_BIN
, /* message is in binary encoding */
1039 MIMEE_8B
, /* message is in 8bit encoding */
1040 MIMEE_7B
, /* message is in 7bit encoding */
1041 MIMEE_QP
, /* message is quoted-printable */
1042 MIMEE_B64
/* message is in base64 encoding */
1045 /* xxx QP came later, maybe rewrite all to use mime_enc_flags directly? */
1046 enum mime_enc_flags
{
1048 MIMEEF_SALLOC
= 1<<0, /* Use salloc(), not srealloc().. */
1049 /* ..result .s,.l point to user buffer of *_LINESIZE+[+[+]] bytes instead */
1051 MIMEEF_CRLF
= 1<<2, /* (encode) Append "\r\n" to lines */
1052 MIMEEF_LF
= 1<<3, /* (encode) Append "\n" to lines */
1053 /* (encode) If one of _CRLF/_LF is set, honour *_LINESIZE+[+[+]] and
1054 * inject the desired line-ending whenever a linewrap is desired */
1055 MIMEEF_MULTILINE
= 1<<4,
1056 /* (encode) Quote with header rules, do not generate soft NL breaks?
1057 * For mustquote(), specifies whether special RFC 2047 header rules
1058 * should be used instead */
1059 MIMEEF_ISHEAD
= 1<<5,
1060 /* (encode) Ditto; for mustquote() this furtherly fine-tunes behaviour in
1061 * that characters which would not be reported as "must-quote" when
1062 * detecting whether quoting is necessary at all will be reported as
1063 * "must-quote" if they have to be encoded in an encoded word */
1064 MIMEEF_ISENCWORD
= 1<<6,
1069 QP_NONE
= MIMEEF_NONE
,
1070 QP_SALLOC
= MIMEEF_SALLOC
,
1071 QP_BUF
= MIMEEF_BUF
,
1072 QP_ISHEAD
= MIMEEF_ISHEAD
,
1073 QP_ISENCWORD
= MIMEEF_ISENCWORD
1077 B64_NONE
= MIMEEF_NONE
,
1078 B64_SALLOC
= MIMEEF_SALLOC
,
1079 B64_BUF
= MIMEEF_BUF
,
1080 B64_CRLF
= MIMEEF_CRLF
,
1082 B64_MULTILINE
= MIMEEF_MULTILINE
,
1083 /* Not used, but for clarity only */
1084 B64_ISHEAD
= MIMEEF_ISHEAD
,
1085 B64_ISENCWORD
= MIMEEF_ISENCWORD
,
1086 /* Special version of Base64, "Base64URL", according to RFC 4648.
1087 * Only supported for encoding! */
1088 B64_RFC4648URL
= 1<<(__MIMEEF_LAST
+1),
1089 /* Don't use any ("=") padding;
1090 * may NOT be used with any of _CRLF, _LF or _MULTILINE */
1091 B64_NOPAD
= 1<<(__MIMEEF_LAST
+2)
1094 enum mime_parse_flags
{
1095 MIME_PARSE_NONE
= 0,
1096 MIME_PARSE_DECRYPT
= 1<<0,
1097 MIME_PARSE_PARTS
= 1<<1,
1098 MIME_PARSE_SHALLOW
= 1<<2
1101 enum mime_handler_flags
{
1102 MIME_HDL_NULL
, /* No pipe- mimetype handler, go away */
1103 MIME_HDL_CMD
, /* Normal command */
1104 MIME_HDL_TEXT
, /* @ special cmd to force treatment as text */
1105 MIME_HDL_PTF
, /* A special pointer-to-function handler */
1106 MIME_HDL_MSG
, /* Display msg (returned as command string) */
1107 MIME_HDL_TYPE_MASK
= 7,
1108 MIME_HDL_ISQUOTE
= 1<<4, /* Is quote action (we have info, keep it!) */
1109 MIME_HDL_NOQUOTE
= 1<<5, /* No MIME for quoting */
1110 MIME_HDL_ALWAYS
= 1<<6, /* Handler shall run for multi-msg actions */
1111 MIME_HDL_ASYNC
= 1<<7, /* Should run asynchronously */
1112 MIME_HDL_NEEDSTERM
= 1<<8, /* Takes over terminal */
1113 MIME_HDL_TMPF
= 1<<9, /* Create temporary file (zero-sized) */
1114 MIME_HDL_TMPF_FILL
= 1<<10, /* Fill in the msg body content */
1115 MIME_HDL_TMPF_UNLINK
= 1<<11 /* Delete it later again */
1119 MLIST_OTHER
= 0, /* Normal address */
1120 MLIST_KNOWN
= 1, /* A known `mlist' */
1121 MLIST_SUBSCRIBED
= -1 /* A `mlsubscribe'd list */
1132 OF_CLOEXEC
= 1<<7, /* TODO not used, always implied! CHANGE!! */
1133 OF_UNLINK
= 1<<8, /* Only for Ftmp(): unlink(2) after creation */
1134 OF_HOLDSIGS
= 1<<9, /* Mutual with OF_UNLINK - await Ftmp_free() */
1135 OF_REGISTER
= 1<<10, /* Register file in our file table */
1136 OF_REGISTER_UNLINK
= 1<<11, /* unlink(2) upon unreg.; _REGISTER asserted! */
1137 OF_SUFFIX
= 1<<12 /* Ftmp() name hint is mandatory! extension! */
1145 enum okey_xlook_mode
{
1146 OXM_PLAIN
= 1<<0, /* Plain key always tested */
1147 OXM_H_P
= 1<<1, /* Check PLAIN-.url_h_p */
1148 OXM_U_H_P
= 1<<2, /* Check PLAIN-.url_u_h_p */
1152 /* <0 means "stop" unless *prompt* extensions are enabled. */
1154 PROMPT_STOP
= -1, /* \c */
1155 /* *prompt* extensions: \$, \@ etc. */
1161 PROTO_FILE
, /* refers to a local file */
1162 PROTO_POP3
, /* is a pop3 server string */
1163 PROTO_MAILDIR
, /* refers to a maildir folder */
1164 PROTO_UNKNOWN
/* unknown protocol */
1168 SEND_MBOX
, /* no conversion to perform */
1169 SEND_RFC822
, /* no conversion, no From_ line */
1170 SEND_TODISP
, /* convert to displayable form */
1171 SEND_TODISP_ALL
, /* same, include all MIME parts */
1172 SEND_SHOW
, /* convert to 'show' command form */
1173 SEND_TOSRCH
, /* convert for IMAP SEARCH */
1174 SEND_TOFILE
, /* convert for saving body to a file */
1175 SEND_TOPIPE
, /* convert for pipe-content/subc. */
1176 SEND_QUOTE
, /* convert for quoting */
1177 SEND_QUOTE_ALL
, /* same, include all MIME parts */
1178 SEND_DECRYPT
/* decrypt */
1181 enum n_shexp_parse_flags
{
1183 /* Don't perform expansions or interpret reverse solidus escape sequences.
1184 * Output may be NULL, otherwise the possibly trimmed non-expanded input is
1186 n_SHEXP_PARSE_DRYRUN
= 1<<0,
1187 n_SHEXP_PARSE_TRUNC
= 1<<1, /* Truncate result storage on entry */
1188 n_SHEXP_PARSE_TRIMSPACE
= 1<<2, /* Ignore space surrounding tokens */
1189 n_SHEXP_PARSE_LOG
= 1<<3, /* Log errors */
1190 n_SHEXP_PARSE_LOG_D_V
= 1<<4, /* Log errors if n_OPT_D_V */
1191 n_SHEXP_PARSE_IFS_ADD_COMMA
= 1<<5, /* Add comma , to normal "IFS" */
1192 n_SHEXP_PARSE_IFS_IS_COMMA
= 1<<6, /* Let comma , be the sole "IFS" */
1193 n_SHEXP_PARSE_IGNORE_EMPTY
= 1<<7, /* Ignore empty tokens, start over */
1195 /* Implicitly open quotes, and ditto closing. _AUTO_FIXED may only be used
1196 * if an auto-quote-mode is enabled, implies _AUTO_CLOSE and causes the
1197 * quote mode to be permanently active (cannot be closed) */
1198 n_SHEXP_PARSE_QUOTE_AUTO_FIXED
= 1<<8,
1199 n_SHEXP_PARSE_QUOTE_AUTO_SQ
= 1<<9,
1200 n_SHEXP_PARSE_QUOTE_AUTO_DQ
= 1<<10,
1201 n_SHEXP_PARSE_QUOTE_AUTO_DSQ
= 1<<11,
1202 n_SHEXP_PARSE_QUOTE_AUTO_CLOSE
= 1<<12, /* Ignore an open quote at EOS */
1203 n__SHEXP_PARSE_QUOTE_AUTO_MASK
= n_SHEXP_PARSE_QUOTE_AUTO_SQ
|
1204 n_SHEXP_PARSE_QUOTE_AUTO_DQ
| n_SHEXP_PARSE_QUOTE_AUTO_DSQ
,
1206 /* Recognize metacharacters to separate tokens */
1207 n_SHEXP_PARSE_META_VERTBAR
= 1<<13,
1208 n_SHEXP_PARSE_META_AMPERSAND
= 1<<14,
1209 /* Interpret ; as a sequencing operator, source_inject_input() remainder */
1210 n_SHEXP_PARSE_META_SEMICOLON
= 1<<15,
1211 /* LPAREN, RPAREN, LESSTHAN, GREATERTHAN */
1213 n__SHEXP_PARSE_LAST
= 15
1218 /* We have produced some output (or would have, with _PARSE_DRYRUN).
1219 * Note that empty quotes like '' produce no output but set this bit */
1220 n_SHEXP_STATE_OUTPUT
= 1<<2,
1221 /* Don't call the parser again (\c0 or # comment seen; out of input).
1222 * Not (necessarily) mutual with _OUTPUT) */
1223 n_SHEXP_STATE_STOP
= 1<<1,
1224 n_SHEXP_STATE_UNICODE
= 1<<3, /* \[Uu] used */
1225 n_SHEXP_STATE_CONTROL
= 1<<4, /* Control characters seen */
1226 n_SHEXP_STATE_META_VERTBAR
= 1<<5, /* Metacharacter | follows/ed */
1227 n_SHEXP_STATE_META_AMPERSAND
= 1<<6, /* Metacharacter & follows/ed */
1228 n_SHEXP_STATE_META_SEMICOLON
= 1<<7, /* Metacharacter ; follows/ed */
1230 n_SHEXP_STATE_ERR_CONTROL
= 1<<16, /* \c notation with invalid argument */
1231 n_SHEXP_STATE_ERR_UNICODE
= 1<<17, /* Valid \[Uu] used and !n_PSO_UNICODE */
1232 n_SHEXP_STATE_ERR_NUMBER
= 1<<18, /* Bad number (\[UuXx]) */
1233 n_SHEXP_STATE_ERR_BRACE
= 1<<19, /* _QUOTEOPEN + no } brace for ${VAR */
1234 n_SHEXP_STATE_ERR_BADSUB
= 1<<20, /* Empty/bad ${} substitution */
1235 n_SHEXP_STATE_ERR_QUOTEOPEN
= 1<<21, /* Quote remains open at EOS */
1237 n_SHEXP_STATE_ERR_MASK
= n_BITENUM_MASK(16, 21)
1240 enum n_sigman_flags
{
1242 n_SIGMAN_HUP
= 1<<0,
1243 n_SIGMAN_INT
= 1<<1,
1244 n_SIGMAN_QUIT
= 1<<2,
1245 n_SIGMAN_TERM
= 1<<3,
1246 n_SIGMAN_PIPE
= 1<<4,
1248 n_SIGMAN_IGN_HUP
= 1<<5,
1249 n_SIGMAN_IGN_INT
= 1<<6,
1250 n_SIGMAN_IGN_QUIT
= 1<<7,
1251 n_SIGMAN_IGN_TERM
= 1<<8,
1253 n_SIGMAN_ALL
= 0xFF,
1254 /* Mostly for _leave() reraise flags */
1255 n_SIGMAN_VIPSIGS
= n_SIGMAN_HUP
| n_SIGMAN_INT
| n_SIGMAN_QUIT
|
1257 n_SIGMAN_NTTYOUT_PIPE
= 1<<16,
1258 n_SIGMAN_VIPSIGS_NTTYOUT
= n_SIGMAN_HUP
| n_SIGMAN_INT
| n_SIGMAN_QUIT
|
1259 n_SIGMAN_TERM
| n_SIGMAN_NTTYOUT_PIPE
,
1261 n__SIGMAN_PING
= 1<<17
1265 enum ssl_verify_level
{
1274 TD_NONE
, /* no display conversion */
1275 TD_ISPR
= 1<<0, /* use isprint() checks */
1276 TD_ICONV
= 1<<1, /* use iconv() */
1277 TD_DELCTRL
= 1<<2, /* delete control characters */
1280 * NOTE: _TD_EOF and _TD_BUFCOPY may be ORd with enum conversion and
1281 * enum sendaction, and may thus NOT clash with their bit range!
1283 _TD_EOF
= 1<<14, /* EOF seen, last round! */
1284 _TD_BUFCOPY
= 1<<15 /* Buffer may be constant, copy it */
1288 enum n_termcap_captype
{
1289 n_TERMCAP_CAPTYPE_NONE
= 0,
1290 /* Internally we share the bitspace, so ensure no value ends up as 0 */
1291 n_TERMCAP_CAPTYPE_BOOL
= 1,
1292 n_TERMCAP_CAPTYPE_NUMERIC
,
1293 n_TERMCAP_CAPTYPE_STRING
,
1294 n__TERMCAP_CAPTYPE_MAX1
1297 /* Termcap commands; different to queries commands perform actions.
1298 * Commands are resolved upon init time, and are all termcap(5)-compatible,
1299 * therefore we use the short termcap(5) names.
1300 * Note this is parsed by mk-tcap-map.pl, which expects the syntax
1301 * "CONSTANT, COMMENT" where COMMENT is "Capname/TCap-Code, TYPE[, FLAGS]",
1302 * and one of Capname and TCap-Code may be the string "-" meaning ENOENT;
1303 * a | vertical bar or end-of-comment ends processing; see termcap.c.
1304 * We may use the free-form part after | for the "Variable String" and notes on
1305 * necessary termcap_cmd() arguments; if those are in [] brackets they are not
1306 * regular but are only used when the command, i.e., its effect, is somehow
1307 * simulated / faked by a builtin fallback implementation.
1308 * Availability of builtin fallback indicated by leading @ (at-sign) */
1310 # ifdef HAVE_TERMCAP
1311 n_TERMCAP_CMD_te
, /* rmcup/te, STRING | exit_ca_mode: -,- */
1312 n_TERMCAP_CMD_ti
, /* smcup/ti, STRING | enter_ca_mode: -,- */
1314 n_TERMCAP_CMD_ks
, /* smkx/ks, STRING | keypad_xmit: -,- */
1315 n_TERMCAP_CMD_ke
, /* rmkx/ke, STRING | keypad_local: -,- */
1317 n_TERMCAP_CMD_cd
, /* ed/cd, STRING | clr_eos: -,- */
1318 n_TERMCAP_CMD_cl
, /* clear/cl, STRING | clear_screen(+home): -,- */
1319 n_TERMCAP_CMD_ho
, /* home/ho, STRING | cursor_home: -,- */
1323 n_TERMCAP_CMD_ce
, /* el/ce, STRING | @ clr_eol: [start-column],- */
1324 n_TERMCAP_CMD_ch
, /* hpa/ch, STRING, IDX1 | column_address: column,- */
1325 n_TERMCAP_CMD_cr
, /* cr/cr, STRING | @ carriage_return: -,- */
1326 n_TERMCAP_CMD_le
, /* cub1/le, STRING, CNT | @ cursor_left: count,- */
1327 n_TERMCAP_CMD_nd
, /* cuf1/nd, STRING, CNT | @ cursor_right: count,- */
1330 n__TERMCAP_CMD_MAX1
,
1331 n__TERMCAP_CMD_MASK
= (1<<24) - 1,
1333 /* Only perform command if ca-mode is used */
1334 n_TERMCAP_CMD_FLAG_CA_MODE
= 1<<29,
1335 /* I/O should be flushed after command completed */
1336 n_TERMCAP_CMD_FLAG_FLUSH
= 1<<30
1339 /* Termcap queries; a query is a command that returns a struct n_termcap_value.
1340 * Queries are resolved once they are used first, and may not be termcap(5)-
1341 * compatible, therefore we use terminfo(5) names.
1342 * Note this is parsed by mk-tcap-map.pl, which expects the syntax
1343 * "CONSTANT, COMMENT" where COMMENT is "Capname/TCap-Code, TYPE[, FLAGS]",
1344 * and one of Capname and TCap-Code may be the string "-" meaning ENOENT;
1345 * a | vertical bar or end-of-comment ends processing; see termcap.c.
1346 * We may use the free-form part after | for the "Variable String" and notes.
1347 * The "xkey | X:" keys are Dickey's xterm extensions, see (our) manual */
1348 enum n_termcap_query
{
1350 n_TERMCAP_QUERY_colors
, /* colors/Co, NUMERIC | max_colors */
1353 /* --mk-tcap-map--: only KEY_BINDINGS follow. DON'T CHANGE THIS LINE! */
1354 /* Update the `bind' manual on change! */
1355 # ifdef HAVE_KEY_BINDINGS
1356 n_TERMCAP_QUERY_key_backspace
, /* kbs/kb, STRING */
1357 n_TERMCAP_QUERY_key_dc
, /* kdch1/kD, STRING | delete-character */
1358 n_TERMCAP_QUERY_key_sdc
, /* kDC / *4, STRING | ..shifted */
1359 n_TERMCAP_QUERY_key_eol
, /* kel/kE, STRING | clear-to-end-of-line */
1360 n_TERMCAP_QUERY_key_exit
, /* kext/@9, STRING */
1361 n_TERMCAP_QUERY_key_ic
, /* kich1/kI, STRING | insert character */
1362 n_TERMCAP_QUERY_key_sic
, /* kIC/#3, STRING | ..shifted */
1363 n_TERMCAP_QUERY_key_home
, /* khome/kh, STRING */
1364 n_TERMCAP_QUERY_key_shome
, /* kHOM/#2, STRING | ..shifted */
1365 n_TERMCAP_QUERY_key_end
, /* kend/@7, STRING */
1366 n_TERMCAP_QUERY_key_send
, /* kEND / *7, STRING | ..shifted */
1367 n_TERMCAP_QUERY_key_npage
, /* knp/kN, STRING */
1368 n_TERMCAP_QUERY_key_ppage
, /* kpp/kP, STRING */
1369 n_TERMCAP_QUERY_key_left
, /* kcub1/kl, STRING */
1370 n_TERMCAP_QUERY_key_sleft
, /* kLFT/#4, STRING | ..shifted */
1371 n_TERMCAP_QUERY_xkey_aleft
, /* kLFT3/-, STRING | X: Alt+left */
1372 n_TERMCAP_QUERY_xkey_cleft
, /* kLFT5/-, STRING | X: Control+left */
1373 n_TERMCAP_QUERY_key_right
, /* kcuf1/kr, STRING */
1374 n_TERMCAP_QUERY_key_sright
, /* kRIT/%i, STRING | ..shifted */
1375 n_TERMCAP_QUERY_xkey_aright
, /* kRIT3/-, STRING | X: Alt+right */
1376 n_TERMCAP_QUERY_xkey_cright
, /* kRIT5/-, STRING | X: Control+right */
1377 n_TERMCAP_QUERY_key_down
, /* kcud1/kd, STRING */
1378 n_TERMCAP_QUERY_xkey_sdown
, /* kDN/-, STRING | ..shifted */
1379 n_TERMCAP_QUERY_xkey_adown
, /* kDN3/-, STRING | X: Alt+down */
1380 n_TERMCAP_QUERY_xkey_cdown
, /* kDN5/-, STRING | X: Control+down */
1381 n_TERMCAP_QUERY_key_up
, /* kcuu1/ku, STRING */
1382 n_TERMCAP_QUERY_xkey_sup
, /* kUP/-, STRING | ..shifted */
1383 n_TERMCAP_QUERY_xkey_aup
, /* kUP3/-, STRING | X: Alt+up */
1384 n_TERMCAP_QUERY_xkey_cup
, /* kUP5/-, STRING | X: Control+up */
1385 n_TERMCAP_QUERY_kf0
, /* kf0/k0, STRING */
1386 n_TERMCAP_QUERY_kf1
, /* kf1/k1, STRING */
1387 n_TERMCAP_QUERY_kf2
, /* kf2/k2, STRING */
1388 n_TERMCAP_QUERY_kf3
, /* kf3/k3, STRING */
1389 n_TERMCAP_QUERY_kf4
, /* kf4/k4, STRING */
1390 n_TERMCAP_QUERY_kf5
, /* kf5/k5, STRING */
1391 n_TERMCAP_QUERY_kf6
, /* kf6/k6, STRING */
1392 n_TERMCAP_QUERY_kf7
, /* kf7/k7, STRING */
1393 n_TERMCAP_QUERY_kf8
, /* kf8/k8, STRING */
1394 n_TERMCAP_QUERY_kf9
, /* kf9/k9, STRING */
1395 n_TERMCAP_QUERY_kf10
, /* kf10/k;, STRING */
1396 n_TERMCAP_QUERY_kf11
, /* kf11/F1, STRING */
1397 n_TERMCAP_QUERY_kf12
, /* kf12/F2, STRING */
1398 n_TERMCAP_QUERY_kf13
, /* kf13/F3, STRING */
1399 n_TERMCAP_QUERY_kf14
, /* kf14/F4, STRING */
1400 n_TERMCAP_QUERY_kf15
, /* kf15/F5, STRING */
1401 n_TERMCAP_QUERY_kf16
, /* kf16/F6, STRING */
1402 n_TERMCAP_QUERY_kf17
, /* kf17/F7, STRING */
1403 n_TERMCAP_QUERY_kf18
, /* kf18/F8, STRING */
1404 n_TERMCAP_QUERY_kf19
, /* kf19/F9, STRING */
1405 # endif /* HAVE_KEY_BINDINGS */
1407 n__TERMCAP_QUERY_MAX1
1409 #endif /* n_HAVE_TCAP */
1412 n_URL_TLS_REQUIRED
= 1<<0, /* Whether protocol always uses SSL/TLS.. */
1413 n_URL_TLS_OPTIONAL
= 1<<1, /* ..may later upgrade to SSL/TLS */
1414 n_URL_TLS_MASK
= n_URL_TLS_REQUIRED
| n_URL_TLS_OPTIONAL
,
1415 n_URL_HAD_USER
= 1<<2, /* Whether .url_user was part of the URL */
1416 n_URL_HOST_IS_NAME
= 1<<3 /* .url_host not numeric address */
1419 enum n_visual_info_flags
{
1421 n_VISUAL_INFO_ONE_CHAR
= 1<<0, /* Step only one char, then return */
1422 n_VISUAL_INFO_SKIP_ERRORS
= 1<<1, /* Treat via replacement, step byte */
1423 n_VISUAL_INFO_WIDTH_QUERY
= 1<<2, /* Detect visual character widths */
1425 /* Rest only with HAVE_C90AMEND1, mutual with _ONE_CHAR */
1426 n_VISUAL_INFO_WOUT_CREATE
= 1<<8, /* Use/create .vic_woudat */
1427 n_VISUAL_INFO_WOUT_SALLOC
= 1<<9, /* ..salloc() it first */
1428 /* Only visuals into .vic_woudat - implies _WIDTH_QUERY */
1429 n_VISUAL_INFO_WOUT_PRINTABLE
= 1<<10,
1430 n__VISUAL_INFO_FLAGS
= n_VISUAL_INFO_WOUT_CREATE
|
1431 n_VISUAL_INFO_WOUT_SALLOC
| n_VISUAL_INFO_WOUT_PRINTABLE
1434 enum n_program_option
{
1435 n_PO_DEBUG
= 1u<<0, /* -d / *debug* */
1436 n_PO_VERB
= 1u<<1, /* -v / *verbose* */
1437 n_PO_VERBVERB
= 1u<<2, /* .. even more verbosity */
1438 n_PO_EXISTONLY
= 1u<<3, /* -e */
1439 n_PO_HEADERSONLY
= 1u<<4, /* -H */
1440 n_PO_HEADERLIST
= 1u<<5, /* -L */
1441 n_PO_QUICKRUN_MASK
= n_PO_EXISTONLY
| n_PO_HEADERSONLY
| n_PO_HEADERLIST
,
1442 n_PO_E_FLAG
= 1u<<6, /* -E / *skipemptybody* */
1443 n_PO_F_FLAG
= 1u<<7, /* -F */
1444 n_PO_Mm_FLAG
= 1u<<8, /* -M or -m (plus n_poption_arg_Mm) */
1445 n_PO_N_FLAG
= 1u<<9, /* -N / *header* */
1446 n_PO_R_FLAG
= 1u<<10, /* -R */
1447 n_PO_r_FLAG
= 1u<<11, /* -r (plus n_poption_arg_r) */
1448 n_PO_t_FLAG
= 1u<<12, /* -t */
1449 n_PO_TILDE_FLAG
= 1u<<13, /* -~ */
1450 n_PO_BATCH_FLAG
= 1u<<14, /* -# */
1453 n_PO_MEMDEBUG
= 1<<24, /* *memdebug* */
1455 /* Some easy-access shortcuts */
1456 n_PO_D_V
= n_PO_DEBUG
| n_PO_VERB
,
1457 n_PO_D_VV
= n_PO_DEBUG
| n_PO_VERBVERB
,
1458 n_PO_D_V_VV
= n_PO_DEBUG
| n_PO_VERB
| n_PO_VERBVERB
1461 #define n_OBSOLETE(X) \
1463 if(n_poption & n_PO_D_V_VV)\
1464 n_err("%s: %s\n", _("Obsoletion warning"), X);\
1466 #define n_OBSOLETE2(X,Y) \
1468 if(n_poption & n_PO_D_V_VV)\
1469 n_err("%s: %s: %s\n", _("Obsoletion warning"), X, Y);\
1472 /* Program state bits which may regulary fluctuate */
1473 enum n_program_state
{
1474 n_PS_ROOT
= 1u<<30, /* Temporary "bypass any checks" bit */
1475 #define n_PS_ROOT_BLOCK(ACT) \
1477 bool_t a___reset___ = !(n_pstate & n_PS_ROOT);\
1478 n_pstate |= n_PS_ROOT;\
1481 n_pstate &= ~n_PS_ROOT;\
1484 n_PS_EXIT
= 1u<<1, /* Exit request pending */
1485 n_PS_SOURCING
= 1u<<2, /* During load() or `source' */
1486 n_PS_ROBOT
= 1u<<3, /* .. even more robotic */
1487 n_PS_COMPOSE_MODE
= 1u<<4, /* State machine recursed */
1488 n_PS_COMPOSE_FORKHOOK
= 1u<<5, /* *on-compose-done* running (fork(2)) */
1490 n_PS_EVAL_ERROR
= 1u<<6, /* Last evaluate() command failed */
1492 n_PS_HOOK_NEWMAIL
= 1u<<7,
1494 n_PS_HOOK_MASK
= n_PS_HOOK_NEWMAIL
| n_PS_HOOK
,
1496 n_PS_EDIT
= 1u<<9, /* Current mailbox no "system mailbox" */
1497 n_PS_SETFILE_OPENED
= 1u<<10, /* (hack) setfile() opened a new box */
1498 n_PS_SAW_COMMAND
= 1u<<11, /* ..after mailbox switch */
1499 n_PS_DID_PRINT_DOT
= 1u<<12, /* Current message has been printed */
1501 n_PS_SIGWINCH_PEND
= 1u<<13, /* Need update of $COLUMNS/$LINES */
1502 n_PS_PSTATE_PENDMASK
= n_PS_SIGWINCH_PEND
, /* pstate housekeeping needed */
1504 n_PS_ARGLIST_MASK
= n_BITENUM_MASK(14, 16),
1505 n_PS_ARGMOD_VPUT
= 1u<<16, /* "vput" modifier TODO struct CmdCtx */
1506 n_PS_MSGLIST_GABBY
= 1u<<14, /* getmsglist() saw something gabby */
1507 n_PS_MSGLIST_DIRECT
= 1u<<15, /* A msg was directly chosen by number */
1508 /* TODO HACK: until v15 PS_MSGLIST_SAW_NO is an indication whether an entry
1509 * TODO may be placed in the history or not (grep this, see commands()),
1510 * TODO so avoid reusing this bit */
1511 n_PS_WYSHLIST_SAW_CONTROL
= 1u<<15, /* ..saw C0+ control characters */
1513 n_PS_EXPAND_MULTIRESULT
= 1u<<17, /* Last fexpand() with MULTIOK had .. */
1514 n_PS_ERRORS_PROMPT
= 1u<<18, /* New error to be reported in prompt */
1517 n_PS_HEADER_NEEDED_MIME
= 1u<<19, /* mime_write_tohdr() not ASCII clean */
1518 n_PS_READLINE_NL
= 1u<<20, /* readline_input()+ saw a \n */
1519 n_PS_COLOUR_ACTIVE
= 1u<<21 /* n_colour_env_create().._gut() cycle */
1522 /* Various states set once, and first time messages or initializers */
1523 enum n_program_state_once
{
1525 n_PSO_SENDMODE
= 1u<<1,
1526 n_PSO_INTERACTIVE
= 1u<<2,
1527 n_PSO_TTYIN
= 1u<<3,
1528 n_PSO_TTYOUT
= 1u<<4, /* TODO should be TTYERR! */
1530 n_PSO_UNICODE
= 1u<<8,
1531 n_PSO_ENC_MBSTATE
= 1u<<9,
1533 /* main.c startup code passed, we are functional! */
1534 n_PSO_STARTED
= 1u<<0,
1536 /* (Likely) Post _STARTED */
1537 n_PSO_ATTACH_QUOTE_NOTED
= 1u<<16,
1538 n_PSO_ERRORS_NOTED
= 1u<<17,
1539 n_PSO_TERMCAP_DISABLE
= 1u<<18,
1540 n_PSO_TERMCAP_CA_MODE
= 1u<<19,
1541 n_PSO_LINE_EDITOR_INIT
= 1u<<20,
1543 /* A subtile hack which works in conjunction with n_OPT_t_FLAG so as to
1544 * allow to have multiple states regarding the related header setup */
1545 n_PSO_t_FLAG
= 1u<<30
1548 /* A large enum with all the boolean and value options a.k.a their keys.
1549 * Only the constant keys are in here, to be looked up via ok_[bv]look(),
1550 * ok_[bv]set() and ok_[bv]clear().
1552 * - see the comments in accmacvar.c before changing *anything* in here!
1553 * - virt= implies rdonly,nodel
1554 * - import= implies env
1555 * - defval= implies notempty
1556 * - num and posnum are mutual exclusive
1557 * - most default VAL_ues come from in from build system via ./make.rc
1558 * (Keep in SYNC: ./nail.h:okeys, ./nail.rc, ./nail.1:"Initial settings") */
1560 /* This is used for all macro arguments etc., i.e., [*@#]|[1-9][0-9]*... */
1561 ok_v___special_param
, /* {nolopts=1,rdonly=1,nodel=1} */
1562 /* xxx __qm a.k.a. ? should be num=1 but that more expensive than what now */
1563 ok_v___qm
, /* {name=?,nolopts=1,rdonly=1,nodel=1} */
1564 /* xxx __em a.k.a. ! should be num=1 but that more expensive than what now */
1565 ok_v___em
, /* {name=!,nolopts=1,rdonly=1,nodel=1,i3val="0"} */
1567 ok_v__account
, /* {nolopts=1,rdonly=1,nodel=1} */
1568 ok_v__alternates
, /* {nolopts=1,rdonly=1,nodel=1} */
1569 ok_b_add_file_recipients
,
1570 ok_v_agent_shell_lookup
,
1579 ok_b_asksub
, /* {i3val=TRU1} */
1589 ok_v_batch_exit_on_error
, /* {posnum=1} */
1590 ok_v_bind_timeout
, /* {notempty=1,posnum=1} */
1598 ok_v_COLUMNS
, /* {notempty=1,posnum=1,env=1} */
1599 ok_v_charset_7bit
, /* {lower=1,defval=CHARSET_7BIT} */
1600 /* But unused without HAVE_ICONV, we use ok_vlook(CHARSET_8BIT_OKEY)! */
1601 ok_v_charset_8bit
, /* {lower=1,defval=CHARSET_8BIT} */
1602 ok_v_charset_unknown_8bit
, /* {lower=1} */
1604 ok_b_colour_disable
,
1606 ok_v_crt
, /* {posnum=1} */
1607 ok_v_customhdr
, /* {nocntrls=1} */
1609 /* TODO likely temporary hook data, v15 drop */
1610 ok_v_compose_from
, /* {rdonly=1} */
1611 ok_v_compose_sender
, /* {rdonly=1} */
1612 ok_v_compose_to
, /* {rdonly=1} */
1613 ok_v_compose_cc
, /* {rdonly=1} */
1614 ok_v_compose_bcc
, /* {rdonly=1} */
1615 ok_v_compose_subject
, /* {rdonly=1} */
1617 ok_v_DEAD
, /* {notempty=1,env=1,defval=VAL_DEAD} */
1618 ok_v_datefield
, /* {i3val="%Y-%m-%d %H:%M"} */
1619 ok_v_datefield_markout_older
, /* {i3val="%Y-%m-%d"} */
1620 ok_b_debug
, /* {vip=1} */
1621 ok_b_disposition_notification_send
,
1623 ok_b_dotlock_ignore_error
,
1625 ok_v_EDITOR
, /* {env=1,defval=VAL_EDITOR} */
1634 ok_v_features
, /* {virt=VAL_FEATURES} */
1636 ok_v_folder
, /* {vip=1} */
1637 ok_v__folder_resolved
, /* {rdonly=1,nodel=1} */
1640 ok_v_followup_to_honour
,
1641 ok_b_forward_as_attachment
,
1646 ok_v_HOME
, /* {vip=1,nodel=1,import=1} */
1647 ok_b_header
, /* {vip=1,i3val=TRU1} */
1652 ok_b_history_gabby_persist
,
1653 ok_v_history_size
, /* {notempty=1,posnum=1} */
1664 ok_b_keep_content_length
,
1667 ok_v_LINES
, /* {notempty=1,posnum=1,env=1} */
1668 ok_v_LISTER
, /* {env=1,defval=VAL_LISTER} */
1669 ok_v_LOGNAME
, /* {rdonly=1,import=1} */
1670 ok_b_line_editor_disable
,
1671 ok_b_line_editor_no_defaults
,
1673 ok_v_MAIL
, /* {env=1} */
1674 ok_v_MAILRC
, /* {import=1,defval=VAL_MAILRC} */
1675 ok_b_MAILX_NO_SYSTEM_RC
, /* {name=MAILX_NO_SYSTEM_RC,import=1} */
1676 ok_v_MBOX
, /* {env=1,defval=VAL_MBOX} */
1677 ok_v__mailbox_resolved
, /* {nolopts=1,rdonly=1,nodel=1} */
1678 ok_v__mailbox_display
, /* {nolopts=1,rdonly=1,nodel=1} */
1679 ok_v_mailx_extra_rc
,
1682 ok_b_memdebug
, /* {vip=1} */
1683 ok_b_message_id_disable
,
1684 ok_v_message_inject_head
,
1685 ok_v_message_inject_tail
,
1687 ok_b_mime_allow_text_controls
,
1688 ok_b_mime_alternative_favour_rich
,
1689 ok_v_mime_counter_evidence
, /* {posnum=1} */
1690 ok_v_mimetypes_load_control
,
1691 /* TODO: v15 (not yet due to <-> sendmail): {defval=VAL_MTA} */
1694 ok_b_mta_no_default_arguments
,
1695 /* TODO v15: (not yet due to <-> sendmail-progname {defval=VAL_MTA_ARGV0} */
1698 ok_v_NAIL_EXTRA_RC
, /* {name=NAIL_EXTRA_RC} */
1699 ok_b_NAIL_NO_SYSTEM_RC
, /* {name=NAIL_NO_SYSTEM_RC,import=1} */
1700 ok_v_NAIL_HEAD
, /* {name=NAIL_HEAD} */
1701 ok_v_NAIL_HISTFILE
, /* {name=NAIL_HISTFILE} */
1702 ok_v_NAIL_HISTSIZE
, /* {name=NAIL_HISTSIZE,notempty=1,num=1} */
1703 ok_v_NAIL_TAIL
, /* {name=NAIL_TAIL} */
1704 ok_v_NETRC
, /* {env=1,defval=VAL_NETRC} */
1710 ok_v_on_compose_done
, /* {notempty=1} */
1711 ok_v_on_compose_done_shell
, /* {notempty=1} */
1712 ok_v_on_compose_enter
, /* {notempty=1} */
1713 ok_v_on_compose_leave
, /* {notempty=1} */
1716 ok_v_PAGER
, /* {env=1,defval=VAL_PAGER} */
1717 ok_v_PATH
, /* {nodel=1,import=1} */
1718 ok_b_POSIXLY_CORRECT
, /* {vip=1,import=1,name=POSIXLY_CORRECT} */
1723 ok_b_pop3_bulk_load
,
1724 ok_v_pop3_keepalive
, /* {notempty=1,posnum=1} */
1726 ok_b_pop3_use_starttls
,
1727 ok_b_posix
, /* {vip=1} */
1728 ok_b_print_alternatives
,
1729 ok_v_prompt
, /* {i3val="? "} */
1730 ok_v_prompt2
, /* {i3val=".. "} */
1734 ok_b_quote_as_attachment
,
1737 ok_b_r_option_implicit
,
1738 ok_b_recipients_in_cc
,
1741 ok_b_reply_in_same_charset
,
1744 ok_v_reply_to_honour
,
1745 ok_b_rfc822_body_from_
, /* {name=rfc822-body-from_} */
1747 ok_v_SHELL
, /* {import=1,defval=VAL_SHELL} */
1748 ok_b_SYSV3
, /* {env=1} */
1749 ok_b_save
, /* {i3val=TRU1} */
1750 ok_v_screen
, /* {notempty=1,posnum=1} */
1752 ok_v_sendcharsets
, /* {lower=1} */
1753 ok_b_sendcharsets_else_ttycharset
,
1756 ok_v_sendmail_arguments
,
1757 ok_b_sendmail_no_default_arguments
,
1758 ok_v_sendmail_progname
,
1766 ok_b_skipemptybody
, /* {vip=1} */
1769 ok_v_smime_ca_flags
,
1770 ok_b_smime_ca_no_defaults
,
1773 ok_v_smime_crl_file
,
1774 /* smime-encrypt-USER@HOST */
1775 ok_b_smime_force_encryption
,
1776 ok_b_smime_no_default_ca
,
1778 ok_v_smime_sign_cert
,
1779 ok_v_smime_sign_include_certs
,
1780 ok_v_smime_sign_message_digest
,
1783 ok_v_smtp_auth_password
,
1784 ok_v_smtp_auth_user
,
1786 ok_b_smtp_use_starttls
,
1787 ok_v_SOURCE_DATE_EPOCH
,/*{name=SOURCE_DATE_EPOCH,env=1,notempty=1,posnum=1}*/
1788 ok_v_spam_interface
,
1789 ok_v_spam_maxsize
, /* {notempty=1,posnum=1} */
1791 ok_v_spamc_arguments
,
1795 ok_v_spamfilter_ham
,
1796 ok_v_spamfilter_noham
,
1797 ok_v_spamfilter_nospam
,
1798 ok_v_spamfilter_rate
,
1799 ok_v_spamfilter_rate_scanscore
,
1800 ok_v_spamfilter_spam
,
1804 ok_b_ssl_ca_no_defaults
,
1806 ok_v_ssl_cipher_list
,
1807 ok_v_ssl_config_file
,
1812 ok_b_ssl_no_default_ca
,
1819 ok_v_TERM
, /* {env=1} */
1820 ok_v_TMPDIR
, /* {import=1,notempty=1,defval=VAL_TMPDIR} */
1822 ok_b_termcap_disable
,
1823 ok_v_toplines
, /* {notempty=1,num=1,defval="5"} */
1825 ok_v_ttycharset
, /* {lower=1,defval=CHARSET_8BIT} */
1826 ok_b_typescript_mode
, /* {vip=1} */
1828 ok_v_USER
, /* {rdonly=1,import=1} */
1829 ok_v_umask
, /* {vip=1,nodel=1,posnum=1,i3val="0077"} */
1832 ok_v_VISUAL
, /* {env=1,defval=VAL_VISUAL} */
1834 ok_b_verbose
, /* {vip=1} */
1835 ok_v_version
, /* {virt=VERSION} */
1836 ok_v_version_major
, /* {virt=VERSION_MAJOR} */
1837 ok_v_version_minor
, /* {virt=VERSION_MINOR} */
1838 ok_v_version_update
, /* {virt=VERSION_UPDATE} */
1840 ok_b_writebackedited
1843 /* Locale-independent character classes */
1857 char *s
; /* the string's content */
1858 size_t l
; /* the stings's length */
1862 char *s_dat
; /*@ May contain NULs, not automatically terminated */
1863 ui32_t s_len
; /*@ gth of string */
1864 ui32_t s_auto
: 1; /* Stored in auto-reclaimed storage? */
1865 ui32_t s_size
: 31; /* of .s_dat, -1 */
1869 struct n_strlist
*sl_next
;
1871 char sl_dat
[n_VFIELD_SIZE(0)];
1873 #define n_STRLIST_MALLOC(SZ) /* XXX -> nailfuns.h (and pimp interface) */\
1874 smalloc(n_VSTRUCT_SIZEOF(struct n_strlist, sl_dat) + (SZ) +1)
1877 struct str bi_start
; /* Start of (possibly) bidirectional text */
1878 struct str bi_end
; /* End of ... */
1879 size_t bi_pad
; /* No of visual columns to reserve for BIDI pad */
1882 struct n_cmd_arg_desc
{
1883 char cad_name
[12]; /* Name of command */
1884 ui32_t cad_no
; /* Number of entries in cad_ent_flags */
1885 /* [enum n_cmd_arg_desc_flags,arg-dep] */
1886 ui32_t cad_ent_flags
[n_VFIELD_SIZE(0)][2];
1888 /* ISO C(99) doesn't allow initialization of "flex array" */
1889 #define n_CMD_ARG_DESC_SUBCLASS_DEF(CMD,NO,VAR) \
1890 struct n_cmd_arg_desc_ ## CMD {\
1893 ui32_t cad_ent_flags[NO][2];\
1894 } const VAR = { #CMD, NO,
1895 #define n_CMD_ARG_DESC_SUBCLASS_DEF_END }
1896 #define n_CMD_ARG_DESC_SUBCLASS_CAST(P) ((struct n_cmd_arg_desc const*)P)
1898 struct n_cmd_arg_ctx
{
1899 struct n_cmd_arg_desc
const *cac_desc
;
1900 char const *cac_indat
; /* Input that shall be parsed */
1901 size_t cac_inlen
; /* Input length (UIZ_MAX: do a strlen()) */
1902 size_t cac_no
; /* Output: number of parsed arguments */
1903 struct n_cmd_arg
*cac_arg
; /* Output: parsed arguments */
1906 struct n_cmd_arg
{/* TODO incomplete, misses getmsglist() */
1907 struct n_cmd_arg
*ca_next
;
1908 char const *ca_indat
; /* Pointer into n_cmd_arg_ctx.cac_indat */
1909 size_t ca_inlen
; /* of .ca_indat of this arg (not terminated) */
1910 ui32_t ca_ent_flags
[2]; /* Copy of n_cmd_arg_desc.cad_ent_flags[X] */
1911 ui32_t ca_arg_flags
; /* [Output: _WYSH: copy of parse result flags] */
1914 struct str ca_str
; /* _STRING, _WYSH */
1915 } ca_arg
; /* Output: parsed result */
1919 struct n_colour_pen
;
1923 char const *url_input
; /* Input as given (really) */
1925 ui8_t url_cproto
; /* enum cproto as given */
1927 ui16_t url_portno
; /* atoi .url_port or default, host endian */
1928 char const *url_port
; /* Port (if given) or NULL */
1929 char url_proto
[14]; /* Communication protocol as 'xy\0//' */
1930 ui8_t url_proto_len
; /* Length of .url_proto ('\0' index) */
1931 ui8_t url_proto_xlen
; /* .. if '\0' is replaced with ':' */
1932 struct str url_user
; /* User, exactly as given / looked up */
1933 struct str url_user_enc
; /* User, urlxenc()oded */
1934 struct str url_pass
; /* Pass (urlxdec()oded) or NULL */
1935 /* TODO we don't know whether .url_host is a name or an address. Us
1936 * TODO Net::IPAddress::fromString() to check that, then set
1937 * TODO n_URL_HOST_IS_NAME solely based on THAT! Until then,
1938 * TODO n_URL_HOST_IS_NAME ONLY set if n_URL_TLS_MASK and HAVE_GETADDRINFO */
1939 struct str url_host
; /* Service hostname TODO we don't know */
1940 struct str url_path
; /* Path suffix or NULL */
1941 /* TODO: url_get_component(url *, enum COMPONENT, str *store) */
1942 struct str url_h_p
; /* .url_host[:.url_port] */
1943 /* .url_user@.url_host
1944 * Note: for CPROTO_SMTP this may resolve HOST via *smtp-hostname* (->
1945 * *hostname*)! (And may later be overwritten according to *from*!) */
1947 struct str url_u_h_p
; /* .url_user@.url_host[:.url_port] */
1948 struct str url_eu_h_p
; /* .url_user_enc@.url_host[:.url_port] */
1949 char const *url_p_u_h_p
; /* .url_proto://.url_u_h_p */
1950 char const *url_p_eu_h_p
; /* .url_proto://.url_eu_h_p */
1951 char const *url_p_eu_h_p_p
; /* .url_proto://.url_eu_h_p[/.url_path] */
1955 enum cproto cc_cproto
; /* Communication protocol */
1956 enum authtype cc_authtype
; /* Desired authentication */
1957 char const *cc_auth
; /* Authentication type as string */
1958 struct str cc_user
; /* User (urlxdec()oded) or NULL */
1959 struct str cc_pass
; /* Password (urlxdec()oded) or NULL */
1963 struct n_dotlock_info
{
1964 char const *di_file_name
; /* Mailbox to lock */
1965 char const *di_lock_name
; /* .di_file_name + .lock */
1966 char const *di_hostname
; /* ..filled in parent (due resolver delays) */
1967 char const *di_randstr
; /* ..ditto, random string */
1968 size_t di_pollmsecs
; /* Delay in between locking attempts */
1969 struct stat
*di_stb
;
1973 /* Execution context bundles */
1976 void *l_smem
; /* salloc() memory TODO -> memraw? */
1977 /* TODO our new per-exec-ctx memory "allocators" are yet very dumb.
1978 * TODO for v15 those should not be wrapping nodes but real allocators */
1979 struct n_mem_raw
*l_memraw
; /* n_mem_alloc() (/ n_mem_free()) */
1980 struct n_mem_wrap
*l_memwrap
; /* n_mem_wrap() (/ n_mem_unwrap()) */
1984 struct n_mem_raw
*mr_prev
;
1985 struct n_mem_raw
*mr_next
;
1986 char mr_buf
[n_VFIELD_SIZE(0)];
1990 struct n_mem_wrap
*mw_prev
;
1991 struct n_mem_wrap
*mw_next
;
1993 void (*mw_dtor
)(void *obj
);
1996 struct mime_handler
{
1997 enum mime_handler_flags mh_flags
;
1998 struct str mh_msg
; /* Message describing this command */
1999 /* XXX union{} the following? */
2000 char const *mh_shell_cmd
; /* For MIME_HDL_CMD */
2001 int (*mh_ptf
)(void); /* PTF main() for MIME_HDL_PTF */
2005 FILE *qf_os
; /* Output stream */
2006 char const *qf_pfix
;
2007 ui32_t qf_pfix_len
; /* Length of prefix: 0: bypass */
2008 ui32_t qf_qfold_min
; /* Simple way: wrote prefix? */
2009 /* TODO quoteflt.qf_nl_last is a hack that i have introduced so that we
2010 * TODO finally can gracefully place a newline last in the visual display.
2011 * TODO I.e., for cases where quoteflt shouldn't be used at all ;} */
2012 bool_t qf_nl_last
; /* Last thing written/seen was NL */
2013 #ifndef HAVE_QUOTE_FOLD
2017 ui8_t qf_state
; /* *quote-fold* state machine */
2018 bool_t qf_brk_isws
; /* Breakpoint is at WS */
2019 ui32_t qf_qfold_max
; /* Otherwise: line lengths */
2020 ui32_t qf_wscnt
; /* Whitespace count */
2021 ui32_t qf_brkl
; /* Breakpoint */
2022 ui32_t qf_brkw
; /* Visual width, breakpoint */
2023 ui32_t qf_datw
; /* Current visual output line width */
2024 struct str qf_dat
; /* Current visual output line */
2025 struct str qf_currq
; /* Current quote, compressed */
2026 mbstate_t qf_mbps
[2];
2030 #ifdef HAVE_FILTER_HTML_TAGSOUP
2032 FILE *hf_os
; /* Output stream */
2034 ui32_t hf_lmax
; /* Maximum byte +1 in .hf_line/4 */
2035 ui32_t hf_len
; /* Current bytes in .hf_line */
2036 ui32_t hf_last_ws
; /* Last whitespace on line (fold purposes) */
2037 ui32_t hf_mboff
; /* Last offset for "mbtowc" */
2038 ui32_t hf_mbwidth
; /* We count characters not bytes if possible */
2039 char *hf_line
; /* Output line buffer - MUST be last field! */
2040 si32_t hf_href_dist
; /* Count of lines since last HREF flush */
2041 ui32_t hf_href_no
; /* HREF sequence number */
2042 struct htmlflt_href
*hf_hrefs
;
2043 struct htmlflt_tag
const *hf_ign_tag
; /* Tag that will end ignore mode */
2044 char *hf_curr
; /* Current cursor into .hf_bdat */
2045 char *hf_bmax
; /* Maximum byte in .hf_bdat +1 */
2046 char *hf_bdat
; /* (Temporary) Tag content data storage */
2050 struct search_expr
{
2051 char const *ss_where
; /* ..to search for the expr. (not always used) */
2052 char const *ss_sexpr
; /* String search expr.; NULL: use .ss_regex */
2058 /* This is somewhat temporary for pre v15 */
2060 ui32_t sm_flags
; /* enum n_sigman_flags */
2062 struct n_sigman
*sm_outer
;
2063 sighandler_type sm_ohup
;
2064 sighandler_type sm_oint
;
2065 sighandler_type sm_oquit
;
2066 sighandler_type sm_oterm
;
2067 sighandler_type sm_opipe
;
2071 struct termios_state
{
2072 struct termios ts_tios
;
2075 bool_t ts_needs_reset
;
2078 #define termios_state_reset() \
2080 if (termios_state.ts_needs_reset) {\
2081 tcsetattr(STDIN_FILENO, TCSADRAIN, &termios_state.ts_tios);\
2082 termios_state.ts_needs_reset = FAL0;\
2087 struct n_termcap_value
{
2088 enum n_termcap_captype tv_captype
;
2090 union n_termcap_value_data
{
2093 char const *tvd_string
;
2098 struct n_visual_info_ctx
{
2099 char const *vic_indat
; /*I Input data */
2100 size_t vic_inlen
; /*I If UIZ_MAX, strlen(.vic_indat) */
2101 char const *vic_oudat
; /*O remains */
2103 size_t vic_chars_seen
; /*O number of characters processed */
2104 size_t vic_bytes_seen
; /*O number of bytes passed */
2105 size_t vic_vi_width
; /*[O] visual width of the entire range */
2106 wc_t
*vic_woudat
; /*[O] if so requested */
2107 size_t vic_woulen
; /*[O] entries in .vic_woudat, if used */
2108 wc_t vic_waccu
; /*O The last wchar_t/char processed (if any) */
2109 enum n_visual_info_flags vic_flags
; /*O Copy of parse flags */
2111 #ifdef HAVE_C90AMEND1
2112 mbstate_t *vic_mbstate
; /*IO .vic_mbs_def used if NULL */
2113 mbstate_t vic_mbs_def
;
2117 struct time_current
{
2124 struct sock
{ /* data associated with a socket */
2125 int s_fd
; /* file descriptor */
2127 int s_use_ssl
; /* SSL is used */
2129 void *s_ssl
; /* SSL object */
2132 char *s_wbuf
; /* for buffered writes */
2133 int s_wbufsize
; /* allocated size of s_buf */
2134 int s_wbufpos
; /* position of first empty data byte */
2135 char *s_rbufptr
; /* read pointer to s_rbuf */
2136 int s_rsz
; /* size of last read in s_rbuf */
2137 char const *s_desc
; /* description of error messages */
2138 void (*s_onclose
)(void); /* execute on close */
2139 char s_rbuf
[LINESIZE
+ 1]; /* for buffered reads */
2144 struct ccred sc_cred
;
2145 struct sock sc_sock
;
2150 MB_NONE
= 000, /* no reply expected */
2151 MB_COMD
= 001, /* command reply expected */
2152 MB_MULT
= 002, /* multiline reply expected */
2153 MB_PREAUTH
= 004, /* not in authenticated state */
2154 MB_BYE
= 010, /* may accept a BYE state */
2155 MB_FROM__WARNED
= 1<<4 /* MBOX with invalid from seen & logged */
2157 FILE *mb_itf
; /* temp file with messages, read open */
2158 FILE *mb_otf
; /* same, write open */
2159 char *mb_sorted
; /* sort method */
2161 MB_VOID
, /* no type (e. g. connection failed) */
2162 MB_FILE
, /* local file */
2163 MB_POP3
, /* POP3 mailbox */
2164 MB_MAILDIR
/* maildir folder */
2165 } mb_type
; /* type of mailbox */
2167 MB_DELE
= 01, /* may delete messages in mailbox */
2168 MB_EDIT
= 02 /* may edit messages in mailbox */
2170 int mb_threaded
; /* mailbox has been threaded */
2171 struct sock mb_sock
; /* socket structure */
2175 NEED_UNSPEC
, /* unspecified need, don't fetch */
2176 NEED_HEADER
, /* need the header of a message */
2177 NEED_BODY
/* need header and body of a message */
2181 CI_NOTHING
, /* Nothing downloaded yet */
2182 CI_HAVE_HEADER
= 1<<0, /* Header is downloaded */
2183 CI_HAVE_BODY
= 1<<1, /* Entire message is downloaded */
2184 CI_MIME_ERRORS
= 1<<2, /* Defective MIME structure */
2185 CI_EXPANDED
= 1<<3, /* Container part (pk7m) exploded into X */
2186 CI_SIGNED
= 1<<4, /* Has a signature.. */
2187 CI_SIGNED_OK
= 1<<5, /* ..verified ok.. */
2188 CI_SIGNED_BAD
= 1<<6, /* ..verified bad (missing key).. */
2189 CI_ENCRYPTED
= 1<<7, /* Is encrypted.. */
2190 CI_ENCRYPTED_OK
= 1<<8, /* ..decryption possible/ok.. */
2191 CI_ENCRYPTED_BAD
= 1<<9 /* ..not possible/ok */
2194 /* flag bits. Attention: Flags that are used in cache.c may not change */
2196 MUSED
= (1<< 0), /* entry is used, but this bit isn't */
2197 MDELETED
= (1<< 1), /* entry has been deleted */
2198 MSAVED
= (1<< 2), /* entry has been saved */
2199 MTOUCH
= (1<< 3), /* entry has been noticed */
2200 MPRESERVE
= (1<< 4), /* keep entry in sys mailbox */
2201 MMARK
= (1<< 5), /* message is marked! */
2202 MODIFY
= (1<< 6), /* message has been modified */
2203 MNEW
= (1<< 7), /* message has never been seen */
2204 MREAD
= (1<< 8), /* message has been read sometime. */
2205 MSTATUS
= (1<< 9), /* message status has changed */
2206 MBOX
= (1<<10), /* Send this to mbox, regardless */
2207 MNOFROM
= (1<<11), /* no From line */
2208 MHIDDEN
= (1<<12), /* message is hidden to user */
2209 MBOXED
= (1<<13), /* message has been sent to mbox */
2210 MNEWEST
= (1<<14), /* message is very new (newmail) */
2211 MFLAG
= (1<<15), /* message has been flagged recently */
2212 MUNFLAG
= (1<<16), /* message has been unflagged */
2213 MFLAGGED
= (1<<17), /* message is `flagged' */
2214 MANSWER
= (1<<18), /* message has been answered recently */
2215 MUNANSWER
= (1<<19), /* message has been unanswered */
2216 MANSWERED
= (1<<20), /* message is `answered' */
2217 MDRAFT
= (1<<21), /* message has been drafted recently */
2218 MUNDRAFT
= (1<<22), /* message has been undrafted */
2219 MDRAFTED
= (1<<23), /* message is marked as `draft' */
2220 MOLDMARK
= (1<<24), /* messages was marked previously */
2221 MSPAM
= (1<<25), /* message is classified as spam */
2222 MSPAMUNSURE
= (1<<26) /* message may be spam, but it is unsure */
2224 #define MMNORM (MDELETED | MSAVED | MHIDDEN)
2225 #define MMNDEL (MDELETED | MHIDDEN)
2227 #define visible(mp) (((mp)->m_flag & MMNDEL) == 0)
2231 enum content_info m_content_info
;
2233 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
2235 int m_block
; /* block number of this part */
2236 size_t m_offset
; /* offset in block of part */
2237 size_t m_size
; /* Bytes in the part */
2238 size_t m_xsize
; /* Bytes in the full part */
2239 long m_lines
; /* Lines in the message: write format! */
2240 long m_xlines
; /* Lines in the full message; ditto */
2241 time_t m_time
; /* time the message was sent */
2242 char const *m_from
; /* message sender */
2243 struct mimepart
*m_nextpart
; /* next part at same level */
2244 struct mimepart
*m_multipart
; /* parts of multipart */
2245 struct mimepart
*m_parent
; /* enclosing multipart part */
2246 char const *m_ct_type
; /* content-type */
2247 char const *m_ct_type_plain
; /* content-type without specs */
2248 char const *m_ct_type_usr_ovwr
; /* Forcefully overwritten one */
2249 enum mimecontent m_mimecontent
; /* ..in enum */
2250 char const *m_charset
;
2251 char const *m_ct_enc
; /* Content-Transfer-Encoding */
2252 enum mime_enc m_mime_enc
; /* ..in enum */
2253 char *m_partstring
; /* Part level string */
2254 char *m_filename
; /* ..of attachment */
2255 char const *m_content_description
;
2256 struct mime_handler
*m_handler
; /* MIME handler if yet classified */
2260 enum mflag m_flag
; /* flags */
2261 enum content_info m_content_info
;
2263 ui32_t m_spamscore
; /* Spam score as int, 24:8 bits */
2265 int m_block
; /* block number of this message */
2266 size_t m_offset
; /* offset in block of message */
2267 size_t m_size
; /* Bytes in the message */
2268 size_t m_xsize
; /* Bytes in the full message */
2269 long m_lines
; /* Lines in the message */
2270 long m_xlines
; /* Lines in the full message */
2271 time_t m_time
; /* time the message was sent */
2272 time_t m_date
; /* time in the 'Date' field */
2273 unsigned m_idhash
; /* hash on Message-ID for threads */
2274 struct message
*m_child
; /* first child of this message */
2275 struct message
*m_younger
; /* younger brother of this message */
2276 struct message
*m_elder
; /* elder brother of this message */
2277 struct message
*m_parent
; /* parent of this message */
2278 unsigned m_level
; /* thread level of message */
2279 long m_threadpos
; /* position in threaded display */
2280 char *m_maildir_file
; /* original maildir file of msg */
2281 ui32_t m_maildir_hash
; /* hash of file name in maildir sub */
2282 int m_collapsed
; /* collapsed thread information */
2285 /* Given a file address, determine the block number it represents */
2286 #define mailx_blockof(off) ((int) ((off) / 4096))
2287 #define mailx_offsetof(off) ((int) ((off) % 4096))
2288 #define mailx_positionof(block, offset) ((off_t)(block) * 4096 + (offset))
2290 enum n_cmd_arg_flags
{ /* TODO Most of these need to change, in fact in v15
2291 * TODO i rather see the mechanism that is used in c_bind() extended and used
2292 * TODO anywhere, i.e. n_cmd_arg_parse() */
2293 n_CMD_ARG_TYPE_MSGLIST
= 0, /* Message list type */
2294 n_CMD_ARG_TYPE_NDMLIST
= 1, /* Message list, no defaults */
2295 n_CMD_ARG_TYPE_RAWDAT
= 2, /* The plain string in an argv[] */
2296 n_CMD_ARG_TYPE_STRING
= 3, /* A pure string TODO obsolete */
2297 n_CMD_ARG_TYPE_WYSH
= 4, /* getrawlist(), sh(1) compatible */
2298 n_CMD_ARG_TYPE_RAWLIST
= 5, /* getrawlist(), old style TODO obsolete */
2299 n_CMD_ARG_TYPE_WYRA
= 6, /* _RAWLIST or _WYSH (with `wysh') TODO obs. */
2300 n_CMD_ARG_TYPE_MASK
= 7, /* Mask of the above */
2302 n_CMD_ARG_A
= 1u<< 4, /* Needs an active mailbox */
2303 n_CMD_ARG_F
= 1u<< 5, /* Is a conditional command */
2304 n_CMD_ARG_G
= 1u<< 6, /* Is supposed to produce "gabby" history */
2305 n_CMD_ARG_H
= 1u<< 7, /* Never place in `history' */
2306 n_CMD_ARG_I
= 1u<< 8, /* Interactive command bit */
2307 n_CMD_ARG_M
= 1u<< 9, /* Legal from send mode bit */
2308 n_CMD_ARG_O
= 1u<<10, /* n_OBSOLETE()d command */
2309 n_CMD_ARG_P
= 1u<<11, /* Autoprint dot after command */
2310 n_CMD_ARG_R
= 1u<<12, /* Cannot be called in compose mode recursion */
2311 n_CMD_ARG_S
= 1u<<13, /* Cannot be called pre-n_PSO_STARTED (POSIX) */
2312 n_CMD_ARG_T
= 1u<<14, /* Is a transparent command */
2313 n_CMD_ARG_V
= 1u<<15, /* Supports `vput' prefix (only WYSH/WYRA) */
2314 n_CMD_ARG_W
= 1u<<16, /* Invalid when read only bit */
2315 n_CMD_ARG_X
= 1u<<17, /* Valid command in n_PS_COMPOSE_FORKHOOK mode */
2316 n_CMD_ARG_EM
= 1u<<30 /* Stores soft exit status in n_pstate_var__em */
2320 GTO
= 1<< 0, /* Grab To: line */
2321 GSUBJECT
= 1<< 1, /* Likewise, Subject: line */
2322 GCC
= 1<< 2, /* And the Cc: line */
2323 GBCC
= 1<< 3, /* And also the Bcc: line */
2325 GNL
= 1<< 4, /* Print blank line after */
2326 GDEL
= 1<< 5, /* Entity removed from list */
2327 GCOMMA
= 1<< 6, /* detract() puts in commas */
2328 GUA
= 1<< 7, /* User-Agent field */
2329 GMIME
= 1<< 8, /* MIME 1.0 fields */
2330 GMSGID
= 1<< 9, /* a Message-ID */
2331 GNAMEONLY
= 1<<10, /* detract() does NOT use fullnames */
2333 GIDENT
= 1<<11, /* From:, Reply-To:, MFT: (user headers) */
2334 GREF
= 1<<12, /* References:, In-Reply-To:, (Message-ID:) */
2335 GDATE
= 1<<13, /* Date: field */
2336 GFULL
= 1<<14, /* Include full names, comments etc. */
2337 GSKIN
= 1<<15, /* Skin names */
2338 GEXTRA
= 1<<16, /* Extra fields (mostly like GIDENT XXX) */
2339 GFILES
= 1<<17, /* Include filename and pipe addresses */
2340 GFULLEXTRA
= 1<<18 /* Only with GFULL: GFULL less address */
2342 #define GMASK (GTO | GSUBJECT | GCC | GBCC)
2346 HF_LIST_REPLY
= 1<< 0,
2347 HF_MFT_SENDER
= 1<< 1, /* Add ourselves to Mail-Followup-To: */
2348 HF_RECIPIENT_RECORD
= 1<<10, /* Save message in file named after rec. */
2352 /* Structure used to pass about the current state of a message (header) */
2353 struct n_header_field
{
2354 struct n_header_field
*hf_next
;
2355 ui32_t hf_nl
; /* Field-name length */
2356 ui32_t hf_bl
; /* Field-body length*/
2357 char hf_dat
[n_VFIELD_SIZE(0)];
2361 ui32_t h_flags
; /* enum header_flags bits */
2363 struct name
*h_to
; /* Dynamic "To:" string */
2364 char *h_subject
; /* Subject string */
2365 struct name
*h_cc
; /* Carbon copies string */
2366 struct name
*h_bcc
; /* Blind carbon copies */
2367 struct name
*h_ref
; /* References (possibly overridden) */
2368 struct attachment
*h_attach
; /* MIME attachments */
2369 char const *h_charset
; /* preferred charset */
2370 struct name
*h_from
; /* overridden "From:" field */
2371 struct name
*h_sender
; /* overridden "Sender:" field */
2372 struct name
*h_replyto
; /* overridden "Reply-To:" field */
2373 struct name
*h_message_id
; /* overridden "Message-ID:" field */
2374 struct name
*h_in_reply_to
;/* overridden "In-Reply-To:" field */
2375 struct name
*h_mft
; /* Mail-Followup-To */
2376 char const *h_list_post
; /* Address from List-Post:, for `Lreply' */
2377 struct n_header_field
*h_user_headers
;
2378 struct n_header_field
*h_custom_headers
; /* (Cached result) */
2381 /* Handling of namelist nodes used in processing the recipients of mail and
2382 * aliases, inspection of mail-addresses and all that kind of stuff */
2384 NAME_NAME_SALLOC
= 1<< 0, /* .n_name is doped */
2385 NAME_FULLNAME_SALLOC
= 1<< 1, /* .n_fullname is doped */
2386 NAME_SKINNED
= 1<< 2, /* Is actually skin()ned */
2387 NAME_IDNA
= 1<< 3, /* IDNA was applied */
2389 NAME_ADDRSPEC_CHECKED
= 1<< 4, /* Address has been .. and */
2390 NAME_ADDRSPEC_ISFILE
= 1<< 5, /* ..is a file path */
2391 NAME_ADDRSPEC_ISPIPE
= 1<< 6, /* ..is a command for piping */
2392 NAME_ADDRSPEC_ISFILEORPIPE
= NAME_ADDRSPEC_ISFILE
| NAME_ADDRSPEC_ISPIPE
,
2393 NAME_ADDRSPEC_ISNAME
= 1<< 7, /* ..is an alias name */
2394 NAME_ADDRSPEC_ISADDR
= 1<< 8, /* ..is a mail network address */
2396 NAME_ADDRSPEC_ERR_EMPTY
= 1<< 9, /* An empty string (or NULL) */
2397 NAME_ADDRSPEC_ERR_ATSEQ
= 1<<10, /* Weird @ sequence */
2398 NAME_ADDRSPEC_ERR_CHAR
= 1<<11, /* Invalid character */
2399 NAME_ADDRSPEC_ERR_IDNA
= 1<<12, /* IDNA convertion failed */
2400 NAME_ADDRSPEC_ERR_NAME
= 1<<13, /* Alias with invalid content */
2401 NAME_ADDRSPEC_INVALID
= NAME_ADDRSPEC_ERR_EMPTY
|
2402 NAME_ADDRSPEC_ERR_ATSEQ
| NAME_ADDRSPEC_ERR_CHAR
|
2403 NAME_ADDRSPEC_ERR_IDNA
| NAME_ADDRSPEC_ERR_NAME
,
2405 /* Error storage (we must fit in 31-bit) */
2407 _NAME_MAXWC
= 0x1FFFF,
2408 _NAME_MASKWC
= _NAME_MAXWC
<< _NAME_SHIFTWC
2411 /* In the !_ERR_EMPTY case, the failing character can be queried */
2412 #define NAME_ADDRSPEC_ERR_GETWC(F) \
2413 ((((unsigned int)(F) & _NAME_MASKWC) >> _NAME_SHIFTWC) & _NAME_MAXWC)
2414 #define NAME_ADDRSPEC_ERR_SET(F, E, WC) \
2416 (F) = ((F) & ~(NAME_ADDRSPEC_INVALID | _NAME_MASKWC)) |\
2417 (E) | (((unsigned int)(WC) & _NAME_MAXWC) << _NAME_SHIFTWC);\
2421 struct name
*n_flink
; /* Forward link in list. */
2422 struct name
*n_blink
; /* Backward list link */
2423 enum gfield n_type
; /* From which list it came */
2424 enum nameflags n_flags
; /* enum nameflags */
2425 char *n_name
; /* This fella's address */
2426 char *n_fullname
; /* Ditto, unless GFULL including comment */
2427 char *n_fullextra
; /* GFULL, without address */
2431 /* Input string as given (maybe replaced with a fixed one!) */
2432 char const *ag_input
;
2433 size_t ag_ilen
; /* strlen() of input */
2434 size_t ag_iaddr_start
; /* Start of *addr-spec* in .ag_input */
2435 size_t ag_iaddr_aend
; /* ..and one past its end */
2436 char *ag_skinned
; /* Output (alloced if !=.ag_input) */
2437 size_t ag_slen
; /* strlen() of .ag_skinned */
2438 size_t ag_sdom_start
; /* Start of domain in .ag_skinned, */
2439 enum nameflags ag_n_flags
; /* enum nameflags of .ag_skinned */
2442 /* MIME attachments */
2444 AC_DEFAULT
, /* _get_lc() -> _iter_*() */
2445 AC_FIX_INCS
, /* "charset=".a_input_charset (nocnv) */
2446 AC_TMPFILE
/* attachment.a_tmpf is converted */
2449 enum n_attach_error
{
2451 n_ATTACH_ERR_FILE_OPEN
,
2452 n_ATTACH_ERR_ICONV_FAILED
,
2453 n_ATTACH_ERR_ICONV_NAVAIL
,
2458 struct attachment
*a_flink
; /* Forward link in list. */
2459 struct attachment
*a_blink
; /* Backward list link */
2460 char const *a_path_user
; /* Path as given (maybe including iconv spec) */
2461 char const *a_path
; /* Path as opened */
2462 char const *a_path_bname
; /* Basename of path as opened */
2463 char const *a_name
; /* File name to be stored (EQ a_path_bname) */
2464 char const *a_content_type
; /* content type */
2465 char const *a_content_disposition
; /* content disposition */
2466 struct name
*a_content_id
; /* content id */
2467 char const *a_content_description
; /* content description */
2468 char const *a_input_charset
; /* Interpretation depends on .a_conv */
2469 char const *a_charset
; /* ... */
2470 FILE *a_tmpf
; /* If AC_TMPFILE */
2471 enum attach_conv a_conv
; /* User chosen conversion */
2472 int a_msgno
; /* message number */
2476 struct header
*sb_hp
;
2479 struct str sb_signer
; /* USER@HOST for signing+ */
2481 struct ccred sb_ccred
;
2484 /* For saving the current directory and later returning */
2489 char cw_wd
[PATH_MAX
];
2494 * Global variable declarations
2496 * These become instantiated in main.c.
2500 #ifdef n_MAIN_SOURCE
2501 # ifndef HAVE_AMALGAMATION
2513 VL
FILE *n_tty_fp
; /* Our terminal output TODO input channel */
2515 VL ui32_t n_mb_cur_max
; /* Value of MB_CUR_MAX */
2516 VL ui32_t n_realscreenheight
; /* The real screen height */
2517 VL ui32_t n_scrnwidth
; /* Screen width, or best guess */
2518 VL ui32_t n_scrnheight
; /* Screen height/guess (4 header) */
2520 VL
char const *n_progname
; /* Our name */
2522 VL gid_t n_group_id
; /* getgid() and getuid() */
2525 VL
int n_exit_status
; /* Exit status */
2526 VL ui32_t n_poption
; /* Bits of enum n_program_option */
2527 VL
char const *n_poption_arg_Mm
; /* Argument for -[Mm] aka n_PO_[Mm]_FLAG */
2528 VL
struct name
*n_poption_arg_r
; /* Argument to -r option */
2529 VL
char const **n_smopts
; /* MTA options from command line */
2530 VL
size_t n_smopts_cnt
; /* Entries in n_smopts */
2532 VL ui32_t n_pstate
; /* Bits of enum n_program_state */
2533 VL ui32_t n_psonce
; /* Bits of enum n_program_state_once */
2534 /* TODO "cmd_tab.h ARG_EM set"-storage (n_[01..]) as long as we don't have a
2535 * TODO struct CmdCtx where each command has its own ARGC/ARGV, soft/hard exit
2536 * TODO status and may-place-in-history bit, we need to manage the soft exit
2537 * TODO status with this global bypass, it is thus a.. */
2538 VL
char const *n_pstate_var__em
; /* TODO ..HACK */
2540 /* XXX stylish sorting */
2541 VL
int msgCount
; /* Count of messages read in */
2542 VL
struct mailbox mb
; /* Current mailbox */
2543 VL
char mailname
[PATH_MAX
]; /* Name of current file TODO URL/object*/
2544 VL
char displayname
[80 - 40]; /* Prettyfied for display TODO URL/obj*/
2545 VL
char prevfile
[PATH_MAX
]; /* Name of previous file TODO URL/obj */
2546 VL off_t mailsize
; /* Size of system mailbox */
2547 VL
struct message
*dot
; /* Pointer to current message */
2548 VL
struct message
*prevdot
; /* Previous current message */
2549 VL
struct message
*message
; /* The actual message structure */
2550 VL
struct message
*threadroot
; /* first threaded message */
2551 VL
int *n_msgvec
; /* Folder setmsize(), list.c res. store*/
2553 VL
struct time_current time_current
; /* time(3); send: mail1() XXXcarrier */
2554 VL
struct termios_state termios_state
; /* getpassword(); see commands().. */
2557 VL
enum ssl_verify_level ssl_verify_level
; /* SSL verification level */
2564 VL
volatile int interrupts
; /* TODO rid! */
2565 VL sighandler_type dflpipe
;
2567 /* TODO temporary storage to overcome which_protocol() mess (for PROTO_FILE) */
2568 VL
char const *temporary_protocol_ext
;
2570 /* The remaining variables need initialization */
2572 #ifndef HAVE_AMALGAMATION
2573 VL
char const n_month_names
[12 + 1][4];
2574 VL
char const n_weekday_names
[7 + 1][4];
2576 VL
char const n_uagent
[sizeof VAL_UAGENT
];
2577 VL
char const n_error
[sizeof n_ERROR
];
2578 VL
char const n_unirepl
[sizeof n_UNIREPL
];
2579 VL
char const n_empty
[1];
2580 VL
char const n_0
[2];
2581 VL
char const n_1
[2];
2582 VL
char const n_m1
[3];
2584 VL ui16_t
const n_class_char
[1 + 0x7F];
2588 * Finally, let's include the function prototypes XXX embed
2591 #ifndef n_PRIVSEP_SOURCE
2592 # include "nailfuns.h"