3 * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>
4 * Copyright (C) 2004 g10 Code GmbH
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 # include <unistd.h> /* needed for SEEK_SET */
30 # include <unix.h> /* needed for snprintf on QNX. */
32 #include <sys/types.h>
38 /* On OS X 10.5.x, wide char functions are inlined by default breaking
39 * --without-wc-funcs compilation
42 #define _DONT_USE_CTYPE_INLINE_
47 #if defined(HAVE_WCTYPE_H) && defined(HAVE_WC_FUNCS)
51 #ifndef _POSIX_PATH_MAX
66 # define MB_LEN_MAX 16
69 #define MUTT_VERSION (VERSION)
71 /* nifty trick I stole from ELM 2.5alpha. */
74 #define INITVAL(x) = x
80 #define WHERE_DEFINED 1
82 #include "mutt_regex.h"
84 /* flags for mutt_enter_string() */
85 #define M_ALIAS 1 /* do alias "completion" by calling up the alias-menu */
86 #define M_FILE (1<<1) /* do file completion */
87 #define M_EFILE (1<<2) /* do file completion, plus incoming folders */
88 #define M_CMD (1<<3) /* do completion on previous word */
89 #define M_PASS (1<<4) /* password mode (no echo) */
90 #define M_CLEAR (1<<5) /* clear input if printable character is pressed */
91 #define M_COMMAND (1<<6) /* do command completion */
92 #define M_PATTERN (1<<7) /* pattern mode - only used for history classes */
94 /* flags for mutt_get_token() */
95 #define M_TOKEN_EQUAL 1 /* treat '=' as a special */
96 #define M_TOKEN_CONDENSE (1<<1) /* ^(char) to control chars (macros) */
97 #define M_TOKEN_SPACE (1<<2) /* don't treat whitespace as a term */
98 #define M_TOKEN_QUOTE (1<<3) /* don't interpret quotes */
99 #define M_TOKEN_PATTERN (1<<4) /* !)|~ are terms (for patterns) */
100 #define M_TOKEN_COMMENT (1<<5) /* don't reap comments */
101 #define M_TOKEN_SEMICOLON (1<<6) /* don't treat ; as special */
103 /* flags for km_dokey() */
104 #define M_KM_UNBUFFERED 1 /* don't read from the key buffer */
108 char *data; /* pointer to data */
109 char *dptr; /* current read/write position */
110 size_t dsize; /* length of data */
111 int destroy; /* destroy `data' when done? */
116 int ch; /* raw key pressed */
117 int op; /* function op */
120 /* flags for _mutt_system() */
121 #define M_DETACH_PROCESS 1 /* detach subprocess from group */
123 /* flags for mutt_FormatString() */
126 M_FORMAT_FORCESUBJ = (1<<0), /* print the subject even if unchanged */
127 M_FORMAT_TREE = (1<<1), /* draw the thread tree */
128 M_FORMAT_MAKEPRINT = (1<<2), /* make sure that all chars are printable */
129 M_FORMAT_OPTIONAL = (1<<3),
130 M_FORMAT_STAT_FILE = (1<<4), /* used by mutt_attach_fmt */
131 M_FORMAT_ARROWCURSOR = (1<<5), /* reserve space for arrow_cursor */
132 M_FORMAT_INDEX = (1<<6), /* this is a main index entry */
133 M_FORMAT_NOFILTER = (1<<7) /* do not allow filtering on this pass */
136 /* types for mutt_add_hook() */
137 #define M_FOLDERHOOK 1
138 #define M_MBOXHOOK (1<<1)
139 #define M_SENDHOOK (1<<2)
140 #define M_FCCHOOK (1<<3)
141 #define M_SAVEHOOK (1<<4)
142 #define M_CHARSETHOOK (1<<5)
143 #define M_ICONVHOOK (1<<6)
144 #define M_MESSAGEHOOK (1<<7)
145 #define M_CRYPTHOOK (1<<8)
146 #define M_ACCOUNTHOOK (1<<9)
147 #define M_REPLYHOOK (1<<10)
148 #define M_SEND2HOOK (1<<11)
150 /* tree characters for linearize_tree and print_enriched_string */
151 #define M_TREE_LLCORNER 1
152 #define M_TREE_ULCORNER 2
153 #define M_TREE_LTEE 3
154 #define M_TREE_HLINE 4
155 #define M_TREE_VLINE 5
156 #define M_TREE_SPACE 6
157 #define M_TREE_RARROW 7
158 #define M_TREE_STAR 8
159 #define M_TREE_HIDDEN 9
160 #define M_TREE_EQUALS 10
161 #define M_TREE_TTEE 11
162 #define M_TREE_BTEE 12
163 #define M_TREE_MISSING 13
164 #define M_TREE_MAX 14
166 #define M_THREAD_COLLAPSE (1<<0)
167 #define M_THREAD_UNCOLLAPSE (1<<1)
168 #define M_THREAD_GET_HIDDEN (1<<2)
169 #define M_THREAD_UNREAD (1<<3)
170 #define M_THREAD_NEXT_UNREAD (1<<4)
174 /* modes for mutt_view_attachment() */
179 /* action codes used by mutt_set_flag() and mutt_pattern_function() */
197 /* actions for mutt_pattern_comp/mutt_pattern_exec */
233 /* Options for Mailcap lookup */
239 /* options for socket code */
241 #ifdef USE_SSL_OPENSSL
245 /* Options for mutt_save_attachment */
250 /* possible arguments to set_quadoption() */
259 /* quad-option vars */
273 OPT_PGPMIMEAUTO, /* ask to revert to PGP/MIME when inline fails */
287 OPT_VERIFYSIG, /* verify PGP signatures */
289 /* THIS MUST BE THE LAST VALUE. */
293 /* flags to ci_send_message() */
294 #define SENDREPLY (1<<0)
295 #define SENDGROUPREPLY (1<<1)
296 #define SENDLISTREPLY (1<<2)
297 #define SENDFORWARD (1<<3)
298 #define SENDPOSTPONED (1<<4)
299 #define SENDBATCH (1<<5)
300 #define SENDMAILX (1<<6)
301 #define SENDKEY (1<<7)
302 #define SENDRESEND (1<<8)
304 /* flags to _mutt_select_file() */
305 #define M_SEL_BUFFY (1<<0)
306 #define M_SEL_MULTI (1<<1)
307 #define M_SEL_FOLDER (1<<2)
309 /* flags for parse_spam_list */
348 #if defined(HAVE_QDBM) || defined(HAVE_TC)
350 #endif /* HAVE_QDBM */
358 OPTHIDETHREADSUBJECT,
363 OPTIGNORELISTREPLYTO,
365 OPTIMAPCHECKSUBSCRIBED,
373 # ifndef USE_SSL_GNUTLS
376 # endif /* USE_SSL_GNUTLS */
382 #endif /* defined(USE_SSL) */
391 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
392 OPTMENUMOVEOFF, /* allow menu to scroll past last entry */
393 #if defined(USE_IMAP) || defined(USE_POP)
394 OPTMESSAGECACHECLEAN,
396 OPTMETAKEY, /* interpret ALT-x as ESC-x */
441 #ifdef HAVE_GETADDRINFO
448 OPTWRITEBCC, /* write out a bcc header? */
460 OPTCRYPTREPLYENCRYPT,
462 OPTCRYPTREPLYSIGNENCRYPTED,
466 OPTSDEFAULTDECRYPTKEY,
483 OPTAUXSORT, /* (pseudo) using auxillary sort function */
484 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
485 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
486 OPTNOCURSES, /* (pseudo) when sending in batch mode */
487 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
488 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
489 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
490 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
491 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
492 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
493 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
494 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
495 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
496 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
497 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
498 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
499 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
500 OPTATTACHMSG, /* (pseudo) used by attach-message */
501 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
502 * functions while we are executing an
505 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
506 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
507 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
508 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
509 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
514 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
515 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
516 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
517 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
518 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
520 #define set_option(x) mutt_bit_set(Options,x)
521 #define unset_option(x) mutt_bit_unset(Options,x)
522 #define toggle_option(x) mutt_bit_toggle(Options,x)
523 #define option(x) mutt_bit_isset(Options,x)
525 typedef struct list_t
531 typedef struct rx_list_t
534 struct rx_list_t *next;
537 typedef struct spam_list_t
542 struct spam_list_t *next;
545 #define mutt_new_list() safe_calloc (1, sizeof (LIST))
546 #define mutt_new_rx_list() safe_calloc (1, sizeof (RX_LIST))
547 #define mutt_new_spam_list() safe_calloc (1, sizeof (SPAM_LIST))
548 void mutt_free_list (LIST **);
549 void mutt_free_rx_list (RX_LIST **);
550 void mutt_free_spam_list (SPAM_LIST **);
551 LIST *mutt_copy_list (LIST *);
552 int mutt_matches_ignore (const char *, LIST *);
554 /* add an element to a list */
555 LIST *mutt_add_list (LIST *, const char *);
556 LIST *mutt_add_list_n (LIST*, const void *, size_t);
557 LIST *mutt_find_list (LIST *, const char *);
558 int mutt_remove_from_rx_list (RX_LIST **l, const char *str);
560 void mutt_init (int, LIST *);
564 struct alias *self; /* XXX - ugly hack */
573 typedef struct envelope
575 ADDRESS *return_path;
582 ADDRESS *mail_followup_to;
583 char *list_post; /* this stores a mailto URL, or nothing */
585 char *real_subj; /* offset of the real subject */
591 LIST *references; /* message references (in reverse order) */
592 LIST *in_reply_to; /* in-reply-to header content */
593 LIST *userhdrs; /* user defined headers */
595 unsigned int irt_changed : 1; /* In-Reply-To changed to link/break threads */
596 unsigned int refs_changed : 1; /* References changed to break thread */
599 typedef struct parameter
603 struct parameter *next;
606 /* Information that helps in determing the Content-* of an attachment */
607 typedef struct content
609 long hibin; /* 8-bit characters */
610 long lobin; /* unprintable 7-bit chars (eg., control chars) */
611 long crlf; /* '\r' and '\n' characters */
612 long ascii; /* number of ascii chars */
613 long linemax; /* length of the longest line in the file */
614 unsigned int space : 1; /* whitespace at the end of lines? */
615 unsigned int binary : 1; /* long lines, or CR not in CRLF pair */
616 unsigned int from : 1; /* has a line beginning with "From "? */
617 unsigned int dot : 1; /* has a line consisting of a single dot? */
618 unsigned int cr : 1; /* has CR, even when in a CRLF pair */
623 char *xtype; /* content-type if x-unknown */
624 char *subtype; /* content-type subtype */
625 PARAMETER *parameter; /* parameters of the content-type */
626 char *description; /* content-description */
627 char *form_name; /* Content-Disposition form-data name param */
628 long hdr_offset; /* offset in stream where the headers begin.
629 * this info is used when invoking metamail,
630 * where we need to send the headers of the
633 LOFF_T offset; /* offset where the actual data begins */
634 LOFF_T length; /* length (in bytes) of attachment */
635 char *filename; /* when sending a message, this is the file
636 * to which this structure refers
638 char *d_filename; /* filename to be used for the
639 * content-disposition header.
640 * If NULL, filename is used
643 char *charset; /* charset of attached file */
644 CONTENT *content; /* structure used to store detailed info about
645 * the content of the attachment. this is used
646 * to determine what content-transfer-encoding
647 * is required when sending mail.
649 struct body *next; /* next attachment in the list */
650 struct body *parts; /* parts of a multipart or message/rfc822 */
651 struct header *hdr; /* header information for message/rfc822 */
653 struct attachptr *aptr; /* Menu information, used in recvattach.c */
655 signed short attach_count;
657 time_t stamp; /* time stamp of last
661 unsigned int type : 4; /* content-type primary type */
662 unsigned int encoding : 3; /* content-transfer-encoding */
663 unsigned int disposition : 2; /* content-disposition */
664 unsigned int use_disp : 1; /* Content-Disposition uses filename= ? */
665 unsigned int unlink : 1; /* flag to indicate the the file named by
666 * "filename" should be unlink()ed before
667 * free()ing this structure
669 unsigned int tagged : 1;
670 unsigned int deleted : 1; /* attachment marked for deletion */
672 unsigned int noconv : 1; /* don't do character set conversion */
673 unsigned int force_charset : 1;
674 /* send mode: don't adjust the character
675 * set when in send-mode.
677 unsigned int is_signed_data : 1; /* A lot of MUAs don't indicate
678 S/MIME signed-data correctly,
679 e.g. they use foo.p7m even for
680 the name of signed data. This
681 flag is used to keep track of
682 the actual message type. It
683 gets set during the verification
684 (which is done if the encryption
685 try failed) and check by the
686 function to figure the type of
689 unsigned int goodsig : 1; /* good cryptographic signature */
690 unsigned int warnsig : 1; /* maybe good signature */
691 unsigned int badsig : 1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
693 unsigned int collapsed : 1; /* used by recvattach */
694 unsigned int attach_qualifies : 1;
698 /* #3279: AIX defines conflicting struct thread */
699 typedef struct mutt_thread THREAD;
701 typedef struct header
703 unsigned int security : 11; /* bit 0-6: flags, bit 7,8: application.
704 see: crypt.h pgplib.h, smime.h */
706 unsigned int mime : 1; /* has a MIME-Version header? */
707 unsigned int flagged : 1; /* marked important? */
708 unsigned int tagged : 1;
709 unsigned int deleted : 1;
710 unsigned int changed : 1;
711 unsigned int attach_del : 1; /* has an attachment marked for deletion */
712 unsigned int old : 1;
713 unsigned int read : 1;
714 unsigned int expired : 1; /* already expired? */
715 unsigned int superseded : 1; /* got superseded? */
716 unsigned int replied : 1;
717 unsigned int subject_changed : 1; /* used for threading */
718 unsigned int threaded : 1; /* used for threading */
719 unsigned int display_subject : 1; /* used for threading */
720 unsigned int recip_valid : 1; /* is_recipient is valid */
721 unsigned int active : 1; /* message is not to be removed */
722 unsigned int trash : 1; /* message is marked as trashed on disk.
723 * This flag is used by the maildir_trash
727 /* timezone of the sender of this message */
728 unsigned int zhours : 5;
729 unsigned int zminutes : 6;
730 unsigned int zoccident : 1;
732 /* bits used for caching when searching */
733 unsigned int searched : 1;
734 unsigned int matched : 1;
736 /* tells whether the attachment count is valid */
737 unsigned int attach_valid : 1;
739 /* the following are used to support collapsing threads */
740 unsigned int collapsed : 1; /* is this message part of a collapsed thread? */
741 unsigned int limited : 1; /* is this message in a limited view? */
742 size_t num_hidden; /* number of hidden messages in this view */
744 short recipient; /* user_is_recipient()'s return value, cached */
746 int pair; /* color-pair to use when displaying in the index */
748 time_t date_sent; /* time when the message was sent (UTC) */
749 time_t received; /* time when the message was placed in the mailbox */
750 LOFF_T offset; /* where in the stream does this message begin? */
751 int lines; /* how many lines in the body of this message? */
752 int index; /* the absolute (unsorted) message number */
753 int msgno; /* number displayed to the user */
754 int virtual; /* virtual message number */
756 ENVELOPE *env; /* envelope information */
757 BODY *content; /* list of MIME parts */
760 char *tree; /* character string to print thread tree */
763 /* Number of qualifying attachments in message, if attach_valid */
771 int refno; /* message number on server */
774 #if defined USE_POP || defined USE_IMAP
775 void *data; /* driver-specific data */
778 char *maildir_flags; /* unknown maildir flags */
783 unsigned int fake_thread : 1;
784 unsigned int duplicate_thread : 1;
785 unsigned int sort_children : 1;
786 unsigned int check_subject : 1;
787 unsigned int visible : 1;
788 unsigned int deep : 1;
789 unsigned int subtree_visible : 2;
790 unsigned int next_subtree_visible : 1;
800 /* flag to mutt_pattern_comp() */
801 #define M_FULL_MSG (1<<0) /* enable body and header matching */
804 M_MATCH_FULL_ADDRESS = 1
807 typedef struct group_t
814 typedef struct group_context_t
817 struct group_context_t *next;
820 typedef struct pattern_t
823 unsigned int not : 1;
824 unsigned int alladdr : 1;
825 unsigned int stringmatch : 1;
826 unsigned int groupmatch : 1;
827 unsigned int ign_case : 1; /* ignore case for local stringmatch searches */
830 struct pattern_t *next;
831 struct pattern_t *child; /* arguments to logical op */
858 typedef struct _context
865 char *pattern; /* limit pattern string */
866 pattern_t *limit_pattern; /* compiled limit pattern */
868 HEADER *last_tag; /* last tagged msg. used to link threads */
869 THREAD *tree; /* top of thread tree */
870 HASH *id_hash; /* hash table by msg id */
871 HASH *subj_hash; /* hash table by subject */
872 HASH *thread_hash; /* hash table for threading */
873 int *v2r; /* mapping from virtual to real msgno */
874 int hdrmax; /* number of pointers in hdrs */
875 int msgcount; /* number of messages in the mailbox */
876 int vcount; /* the number of virtual messages */
877 int tagged; /* how many messages are tagged? */
878 int new; /* how many new messages? */
879 int unread; /* how many unread messages? */
880 int deleted; /* how many deleted messages */
881 int flagged; /* how many flagged messages */
882 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
884 short magic; /* mailbox type */
886 unsigned char rights[(RIGHTSMAX + 7)/8]; /* ACL bits */
888 unsigned int locked : 1; /* is the mailbox locked? */
889 unsigned int changed : 1; /* mailbox has been modified */
890 unsigned int readonly : 1; /* don't allow changes to the mailbox */
891 unsigned int dontwrite : 1; /* dont write the mailbox on close */
892 unsigned int append : 1; /* mailbox is opened in append mode */
893 unsigned int quiet : 1; /* inhibit status messages? */
894 unsigned int collapsed : 1; /* are all threads collapsed? */
895 unsigned int closing : 1; /* mailbox is being closed */
898 void *data; /* driver specific data */
899 int (*mx_close)(struct _context *);
910 /* used by enter.c */
922 /* flags for the STATE struct */
923 #define M_DISPLAY (1<<0) /* output is displayed to the user */
924 #define M_VERIFY (1<<1) /* perform signature verification */
925 #define M_PENDINGPREFIX (1<<2) /* prefix to write, but character must follow */
926 #define M_WEED (1<<3) /* weed headers even when not in display mode */
927 #define M_CHARCONV (1<<4) /* Do character set conversions */
928 #define M_PRINTING (1<<5) /* are we printing? - M_DISPLAY "light" */
929 #define M_REPLYING (1<<6) /* are we replying? */
930 #define M_FIRSTDONE (1<<7) /* the first attachment has been done */
932 #define state_set_prefix(s) ((s)->flags |= M_PENDINGPREFIX)
933 #define state_reset_prefix(s) ((s)->flags &= ~M_PENDINGPREFIX)
934 #define state_puts(x,y) fputs(x,(y)->fpout)
935 #define state_putc(x,y) fputc(x,(y)->fpout)
937 void state_mark_attach (STATE *);
938 void state_attach_puts (const char *, STATE *);
939 void state_prefix_putc (char, STATE *);
940 int state_printf(STATE *, const char *, ...);
941 int state_putwc (wchar_t, STATE *);
942 int state_putws (const wchar_t *, STATE *);
944 /* for attachment counter */
953 #define M_PARTS_TOPLEVEL (1<<0) /* is the top-level part */