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) */
390 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
391 OPTMENUMOVEOFF, /* allow menu to scroll past last entry */
392 #if defined(USE_IMAP) || defined(USE_POP)
393 OPTMESSAGECACHECLEAN,
395 OPTMETAKEY, /* interpret ALT-x as ESC-x */
440 #ifdef HAVE_GETADDRINFO
447 OPTWRITEBCC, /* write out a bcc header? */
459 OPTCRYPTREPLYENCRYPT,
461 OPTCRYPTREPLYSIGNENCRYPTED,
465 OPTSDEFAULTDECRYPTKEY,
482 OPTAUXSORT, /* (pseudo) using auxillary sort function */
483 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
484 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
485 OPTNOCURSES, /* (pseudo) when sending in batch mode */
486 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
487 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
488 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
489 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
490 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
491 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
492 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
493 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
494 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
495 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
496 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
497 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
498 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
499 OPTATTACHMSG, /* (pseudo) used by attach-message */
500 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
501 * functions while we are executing an
504 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
505 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
506 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
507 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
508 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
513 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
514 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
515 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
516 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
517 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
519 #define set_option(x) mutt_bit_set(Options,x)
520 #define unset_option(x) mutt_bit_unset(Options,x)
521 #define toggle_option(x) mutt_bit_toggle(Options,x)
522 #define option(x) mutt_bit_isset(Options,x)
524 typedef struct list_t
530 typedef struct rx_list_t
533 struct rx_list_t *next;
536 typedef struct spam_list_t
541 struct spam_list_t *next;
544 #define mutt_new_list() safe_calloc (1, sizeof (LIST))
545 #define mutt_new_rx_list() safe_calloc (1, sizeof (RX_LIST))
546 #define mutt_new_spam_list() safe_calloc (1, sizeof (SPAM_LIST))
547 void mutt_free_list (LIST **);
548 void mutt_free_rx_list (RX_LIST **);
549 void mutt_free_spam_list (SPAM_LIST **);
550 LIST *mutt_copy_list (LIST *);
551 int mutt_matches_ignore (const char *, LIST *);
553 /* add an element to a list */
554 LIST *mutt_add_list (LIST *, const char *);
555 LIST *mutt_add_list_n (LIST*, const void *, size_t);
556 LIST *mutt_find_list (LIST *, const char *);
558 void mutt_init (int, LIST *);
562 struct alias *self; /* XXX - ugly hack */
571 typedef struct envelope
573 ADDRESS *return_path;
580 ADDRESS *mail_followup_to;
581 char *list_post; /* this stores a mailto URL, or nothing */
583 char *real_subj; /* offset of the real subject */
589 LIST *references; /* message references (in reverse order) */
590 LIST *in_reply_to; /* in-reply-to header content */
591 LIST *userhdrs; /* user defined headers */
593 unsigned int irt_changed : 1; /* In-Reply-To changed to link/break threads */
594 unsigned int refs_changed : 1; /* References changed to break thread */
597 typedef struct parameter
601 struct parameter *next;
604 /* Information that helps in determing the Content-* of an attachment */
605 typedef struct content
607 long hibin; /* 8-bit characters */
608 long lobin; /* unprintable 7-bit chars (eg., control chars) */
609 long crlf; /* '\r' and '\n' characters */
610 long ascii; /* number of ascii chars */
611 long linemax; /* length of the longest line in the file */
612 unsigned int space : 1; /* whitespace at the end of lines? */
613 unsigned int binary : 1; /* long lines, or CR not in CRLF pair */
614 unsigned int from : 1; /* has a line beginning with "From "? */
615 unsigned int dot : 1; /* has a line consisting of a single dot? */
616 unsigned int cr : 1; /* has CR, even when in a CRLF pair */
621 char *xtype; /* content-type if x-unknown */
622 char *subtype; /* content-type subtype */
623 PARAMETER *parameter; /* parameters of the content-type */
624 char *description; /* content-description */
625 char *form_name; /* Content-Disposition form-data name param */
626 long hdr_offset; /* offset in stream where the headers begin.
627 * this info is used when invoking metamail,
628 * where we need to send the headers of the
631 LOFF_T offset; /* offset where the actual data begins */
632 LOFF_T length; /* length (in bytes) of attachment */
633 char *filename; /* when sending a message, this is the file
634 * to which this structure refers
636 char *d_filename; /* filename to be used for the
637 * content-disposition header.
638 * If NULL, filename is used
641 char *charset; /* charset of attached file */
642 CONTENT *content; /* structure used to store detailed info about
643 * the content of the attachment. this is used
644 * to determine what content-transfer-encoding
645 * is required when sending mail.
647 struct body *next; /* next attachment in the list */
648 struct body *parts; /* parts of a multipart or message/rfc822 */
649 struct header *hdr; /* header information for message/rfc822 */
651 struct attachptr *aptr; /* Menu information, used in recvattach.c */
653 signed short attach_count;
655 time_t stamp; /* time stamp of last
659 unsigned int type : 4; /* content-type primary type */
660 unsigned int encoding : 3; /* content-transfer-encoding */
661 unsigned int disposition : 2; /* content-disposition */
662 unsigned int use_disp : 1; /* Content-Disposition uses filename= ? */
663 unsigned int unlink : 1; /* flag to indicate the the file named by
664 * "filename" should be unlink()ed before
665 * free()ing this structure
667 unsigned int tagged : 1;
668 unsigned int deleted : 1; /* attachment marked for deletion */
670 unsigned int noconv : 1; /* don't do character set conversion */
671 unsigned int force_charset : 1;
672 /* send mode: don't adjust the character
673 * set when in send-mode.
675 unsigned int is_signed_data : 1; /* A lot of MUAs don't indicate
676 S/MIME signed-data correctly,
677 e.g. they use foo.p7m even for
678 the name of signed data. This
679 flag is used to keep track of
680 the actual message type. It
681 gets set during the verification
682 (which is done if the encryption
683 try failed) and check by the
684 function to figure the type of
687 unsigned int goodsig : 1; /* good cryptographic signature */
688 unsigned int warnsig : 1; /* maybe good signature */
689 unsigned int badsig : 1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
691 unsigned int collapsed : 1; /* used by recvattach */
692 unsigned int attach_qualifies : 1;
696 typedef struct header
698 unsigned int security : 11; /* bit 0-6: flags, bit 7,8: application.
699 see: crypt.h pgplib.h, smime.h */
701 unsigned int mime : 1; /* has a MIME-Version header? */
702 unsigned int flagged : 1; /* marked important? */
703 unsigned int tagged : 1;
704 unsigned int deleted : 1;
705 unsigned int changed : 1;
706 unsigned int attach_del : 1; /* has an attachment marked for deletion */
707 unsigned int old : 1;
708 unsigned int read : 1;
709 unsigned int expired : 1; /* already expired? */
710 unsigned int superseded : 1; /* got superseded? */
711 unsigned int replied : 1;
712 unsigned int subject_changed : 1; /* used for threading */
713 unsigned int threaded : 1; /* used for threading */
714 unsigned int display_subject : 1; /* used for threading */
715 unsigned int recip_valid : 1; /* is_recipient is valid */
716 unsigned int active : 1; /* message is not to be removed */
717 unsigned int trash : 1; /* message is marked as trashed on disk.
718 * This flag is used by the maildir_trash
722 /* timezone of the sender of this message */
723 unsigned int zhours : 5;
724 unsigned int zminutes : 6;
725 unsigned int zoccident : 1;
727 /* bits used for caching when searching */
728 unsigned int searched : 1;
729 unsigned int matched : 1;
731 /* tells whether the attachment count is valid */
732 unsigned int attach_valid : 1;
734 /* the following are used to support collapsing threads */
735 unsigned int collapsed : 1; /* is this message part of a collapsed thread? */
736 unsigned int limited : 1; /* is this message in a limited view? */
737 size_t num_hidden; /* number of hidden messages in this view */
739 short recipient; /* user_is_recipient()'s return value, cached */
741 int pair; /* color-pair to use when displaying in the index */
743 time_t date_sent; /* time when the message was sent (UTC) */
744 time_t received; /* time when the message was placed in the mailbox */
745 LOFF_T offset; /* where in the stream does this message begin? */
746 int lines; /* how many lines in the body of this message? */
747 int index; /* the absolute (unsorted) message number */
748 int msgno; /* number displayed to the user */
749 int virtual; /* virtual message number */
751 ENVELOPE *env; /* envelope information */
752 BODY *content; /* list of MIME parts */
755 char *tree; /* character string to print thread tree */
756 struct thread *thread;
758 /* Number of qualifying attachments in message, if attach_valid */
766 int refno; /* message number on server */
769 #if defined USE_POP || defined USE_IMAP
770 void *data; /* driver-specific data */
773 char *maildir_flags; /* unknown maildir flags */
776 typedef struct thread
778 unsigned int fake_thread : 1;
779 unsigned int duplicate_thread : 1;
780 unsigned int sort_children : 1;
781 unsigned int check_subject : 1;
782 unsigned int visible : 1;
783 unsigned int deep : 1;
784 unsigned int subtree_visible : 2;
785 unsigned int next_subtree_visible : 1;
786 struct thread *parent;
787 struct thread *child;
795 /* flag to mutt_pattern_comp() */
796 #define M_FULL_MSG (1<<0) /* enable body and header matching */
799 M_MATCH_FULL_ADDRESS = 1
802 typedef struct group_t
809 typedef struct group_context_t
812 struct group_context_t *next;
815 typedef struct pattern_t
818 unsigned int not : 1;
819 unsigned int alladdr : 1;
820 unsigned int stringmatch : 1;
821 unsigned int groupmatch : 1;
822 unsigned int ign_case : 1; /* ignore case for local stringmatch searches */
825 struct pattern_t *next;
826 struct pattern_t *child; /* arguments to logical op */
853 typedef struct _context
860 char *pattern; /* limit pattern string */
861 pattern_t *limit_pattern; /* compiled limit pattern */
863 HEADER *last_tag; /* last tagged msg. used to link threads */
864 THREAD *tree; /* top of thread tree */
865 HASH *id_hash; /* hash table by msg id */
866 HASH *subj_hash; /* hash table by subject */
867 HASH *thread_hash; /* hash table for threading */
868 int *v2r; /* mapping from virtual to real msgno */
869 int hdrmax; /* number of pointers in hdrs */
870 int msgcount; /* number of messages in the mailbox */
871 int vcount; /* the number of virtual messages */
872 int tagged; /* how many messages are tagged? */
873 int new; /* how many new messages? */
874 int unread; /* how many unread messages? */
875 int deleted; /* how many deleted messages */
876 int flagged; /* how many flagged messages */
877 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
879 short magic; /* mailbox type */
881 unsigned char rights[(RIGHTSMAX + 7)/8]; /* ACL bits */
883 unsigned int locked : 1; /* is the mailbox locked? */
884 unsigned int changed : 1; /* mailbox has been modified */
885 unsigned int readonly : 1; /* don't allow changes to the mailbox */
886 unsigned int dontwrite : 1; /* dont write the mailbox on close */
887 unsigned int append : 1; /* mailbox is opened in append mode */
888 unsigned int quiet : 1; /* inhibit status messages? */
889 unsigned int collapsed : 1; /* are all threads collapsed? */
890 unsigned int closing : 1; /* mailbox is being closed */
893 void *data; /* driver specific data */
894 int (*mx_close)(struct _context *);
905 /* used by enter.c */
917 /* flags for the STATE struct */
918 #define M_DISPLAY (1<<0) /* output is displayed to the user */
919 #define M_VERIFY (1<<1) /* perform signature verification */
920 #define M_PENDINGPREFIX (1<<2) /* prefix to write, but character must follow */
921 #define M_WEED (1<<3) /* weed headers even when not in display mode */
922 #define M_CHARCONV (1<<4) /* Do character set conversions */
923 #define M_PRINTING (1<<5) /* are we printing? - M_DISPLAY "light" */
924 #define M_REPLYING (1<<6) /* are we replying? */
925 #define M_FIRSTDONE (1<<7) /* the first attachment has been done */
927 #define state_set_prefix(s) ((s)->flags |= M_PENDINGPREFIX)
928 #define state_reset_prefix(s) ((s)->flags &= ~M_PENDINGPREFIX)
929 #define state_puts(x,y) fputs(x,(y)->fpout)
930 #define state_putc(x,y) fputc(x,(y)->fpout)
931 #define state_putws(x,y) fputws(x,(y)->fpout)
932 #define state_putwc(x,y) fputwc(x,(y)->fpout)
934 void state_mark_attach (STATE *);
935 void state_attach_puts (const char *, STATE *);
936 void state_prefix_putc (char, STATE *);
937 int state_printf(STATE *, const char *, ...);
939 /* for attachment counter */
948 #define M_PARTS_TOPLEVEL (1<<0) /* is the top-level part */