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>
41 #if defined(HAVE_WCTYPE_H) && defined(HAVE_WC_FUNCS)
45 #ifndef _POSIX_PATH_MAX
60 # define MB_LEN_MAX 16
63 #define MUTT_VERSION (VERSION)
65 /* nifty trick I stole from ELM 2.5alpha. */
68 #define INITVAL(x) = x
74 #define WHERE_DEFINED 1
76 #include "mutt_regex.h"
78 /* flags for mutt_enter_string() */
79 #define M_ALIAS 1 /* do alias "completion" by calling up the alias-menu */
80 #define M_FILE (1<<1) /* do file completion */
81 #define M_EFILE (1<<2) /* do file completion, plus incoming folders */
82 #define M_CMD (1<<3) /* do completion on previous word */
83 #define M_PASS (1<<4) /* password mode (no echo) */
84 #define M_CLEAR (1<<5) /* clear input if printable character is pressed */
85 #define M_COMMAND (1<<6) /* do command completion */
86 #define M_PATTERN (1<<7) /* pattern mode - only used for history classes */
88 /* flags for mutt_get_token() */
89 #define M_TOKEN_EQUAL 1 /* treat '=' as a special */
90 #define M_TOKEN_CONDENSE (1<<1) /* ^(char) to control chars (macros) */
91 #define M_TOKEN_SPACE (1<<2) /* don't treat whitespace as a term */
92 #define M_TOKEN_QUOTE (1<<3) /* don't interpret quotes */
93 #define M_TOKEN_PATTERN (1<<4) /* !)|~ are terms (for patterns) */
94 #define M_TOKEN_COMMENT (1<<5) /* don't reap comments */
95 #define M_TOKEN_SEMICOLON (1<<6) /* don't treat ; as special */
97 /* flags for km_dokey() */
98 #define M_KM_UNBUFFERED 1 /* don't read from the key buffer */
102 char *data; /* pointer to data */
103 char *dptr; /* current read/write position */
104 size_t dsize; /* length of data */
105 int destroy; /* destroy `data' when done? */
110 int ch; /* raw key pressed */
111 int op; /* function op */
114 /* flags for _mutt_system() */
115 #define M_DETACH_PROCESS 1 /* detach subprocess from group */
117 /* flags for mutt_FormatString() */
120 M_FORMAT_FORCESUBJ = (1<<0), /* print the subject even if unchanged */
121 M_FORMAT_TREE = (1<<1), /* draw the thread tree */
122 M_FORMAT_MAKEPRINT = (1<<2), /* make sure that all chars are printable */
123 M_FORMAT_OPTIONAL = (1<<3),
124 M_FORMAT_STAT_FILE = (1<<4), /* used by mutt_attach_fmt */
125 M_FORMAT_ARROWCURSOR = (1<<5), /* reserve space for arrow_cursor */
126 M_FORMAT_INDEX = (1<<6), /* this is a main index entry */
127 M_FORMAT_NOFILTER = (1<<7) /* do not allow filtering on this pass */
130 /* types for mutt_add_hook() */
131 #define M_FOLDERHOOK 1
132 #define M_MBOXHOOK (1<<1)
133 #define M_SENDHOOK (1<<2)
134 #define M_FCCHOOK (1<<3)
135 #define M_SAVEHOOK (1<<4)
136 #define M_CHARSETHOOK (1<<5)
137 #define M_ICONVHOOK (1<<6)
138 #define M_MESSAGEHOOK (1<<7)
139 #define M_CRYPTHOOK (1<<8)
140 #define M_ACCOUNTHOOK (1<<9)
141 #define M_REPLYHOOK (1<<10)
142 #define M_SEND2HOOK (1<<11)
144 /* tree characters for linearize_tree and print_enriched_string */
145 #define M_TREE_LLCORNER 1
146 #define M_TREE_ULCORNER 2
147 #define M_TREE_LTEE 3
148 #define M_TREE_HLINE 4
149 #define M_TREE_VLINE 5
150 #define M_TREE_SPACE 6
151 #define M_TREE_RARROW 7
152 #define M_TREE_STAR 8
153 #define M_TREE_HIDDEN 9
154 #define M_TREE_EQUALS 10
155 #define M_TREE_TTEE 11
156 #define M_TREE_BTEE 12
157 #define M_TREE_MISSING 13
158 #define M_TREE_MAX 14
160 #define M_THREAD_COLLAPSE (1<<0)
161 #define M_THREAD_UNCOLLAPSE (1<<1)
162 #define M_THREAD_GET_HIDDEN (1<<2)
163 #define M_THREAD_UNREAD (1<<3)
164 #define M_THREAD_NEXT_UNREAD (1<<4)
168 /* modes for mutt_view_attachment() */
173 /* action codes used by mutt_set_flag() and mutt_pattern_function() */
191 /* actions for mutt_pattern_comp/mutt_pattern_exec */
227 /* Options for Mailcap lookup */
233 /* options for socket code */
235 #ifdef USE_SSL_OPENSSL
239 /* Options for mutt_save_attachment */
244 /* possible arguments to set_quadoption() */
253 /* quad-option vars */
266 OPT_PGPMIMEAUTO, /* ask to revert to PGP/MIME when inline fails */
280 OPT_VERIFYSIG, /* verify PGP signatures */
282 /* THIS MUST BE THE LAST VALUE. */
286 /* flags to ci_send_message() */
287 #define SENDREPLY (1<<0)
288 #define SENDGROUPREPLY (1<<1)
289 #define SENDLISTREPLY (1<<2)
290 #define SENDFORWARD (1<<3)
291 #define SENDPOSTPONED (1<<4)
292 #define SENDBATCH (1<<5)
293 #define SENDMAILX (1<<6)
294 #define SENDKEY (1<<7)
295 #define SENDRESEND (1<<8)
297 /* flags to _mutt_select_file() */
298 #define M_SEL_BUFFY (1<<0)
299 #define M_SEL_MULTI (1<<1)
300 #define M_SEL_FOLDER (1<<2)
302 /* flags for parse_spam_list */
342 #if defined(HAVE_QDBM) || defined(HAVE_TC)
344 #endif /* HAVE_QDBM */
352 OPTHIDETHREADSUBJECT,
356 OPTIGNORELISTREPLYTO,
358 OPTIMAPCHECKSUBSCRIBED,
366 # ifndef USE_SSL_GNUTLS
369 # endif /* USE_SSL_GNUTLS */
373 #endif /* defined(USE_SSL) */
381 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
382 OPTMENUMOVEOFF, /* allow menu to scroll past last entry */
383 #if defined(USE_IMAP) || defined(USE_POP)
384 OPTMESSAGECACHECLEAN,
386 OPTMETAKEY, /* interpret ALT-x as ESC-x */
431 #ifdef HAVE_GETADDRINFO
438 OPTWRITEBCC, /* write out a bcc header? */
450 OPTCRYPTREPLYENCRYPT,
452 OPTCRYPTREPLYSIGNENCRYPTED,
456 OPTSDEFAULTDECRYPTKEY,
473 OPTAUXSORT, /* (pseudo) using auxillary sort function */
474 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
475 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
476 OPTNOCURSES, /* (pseudo) when sending in batch mode */
477 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
478 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
479 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
480 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
481 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
482 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
483 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
484 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
485 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
486 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
487 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
488 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
489 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
490 OPTATTACHMSG, /* (pseudo) used by attach-message */
491 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
492 * functions while we are executing an
495 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
496 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
497 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
498 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
499 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
504 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
505 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
506 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
507 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
508 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
510 #define set_option(x) mutt_bit_set(Options,x)
511 #define unset_option(x) mutt_bit_unset(Options,x)
512 #define toggle_option(x) mutt_bit_toggle(Options,x)
513 #define option(x) mutt_bit_isset(Options,x)
515 typedef struct list_t
521 typedef struct rx_list_t
524 struct rx_list_t *next;
527 typedef struct spam_list_t
532 struct spam_list_t *next;
535 #define mutt_new_list() safe_calloc (1, sizeof (LIST))
536 #define mutt_new_rx_list() safe_calloc (1, sizeof (RX_LIST))
537 #define mutt_new_spam_list() safe_calloc (1, sizeof (SPAM_LIST))
538 void mutt_free_list (LIST **);
539 void mutt_free_rx_list (RX_LIST **);
540 void mutt_free_spam_list (SPAM_LIST **);
541 LIST *mutt_copy_list (LIST *);
542 int mutt_matches_ignore (const char *, LIST *);
544 /* add an element to a list */
545 LIST *mutt_add_list (LIST *, const char *);
546 LIST *mutt_add_list_n (LIST*, const void *, size_t);
548 void mutt_init (int, LIST *);
552 struct alias *self; /* XXX - ugly hack */
561 typedef struct envelope
563 ADDRESS *return_path;
570 ADDRESS *mail_followup_to;
571 char *list_post; /* this stores a mailto URL, or nothing */
573 char *real_subj; /* offset of the real subject */
579 LIST *references; /* message references (in reverse order) */
580 LIST *in_reply_to; /* in-reply-to header content */
581 LIST *userhdrs; /* user defined headers */
583 unsigned int irt_changed : 1; /* In-Reply-To changed to link/break threads */
584 unsigned int refs_changed : 1; /* References changed to break thread */
587 typedef struct parameter
591 struct parameter *next;
594 /* Information that helps in determing the Content-* of an attachment */
595 typedef struct content
597 long hibin; /* 8-bit characters */
598 long lobin; /* unprintable 7-bit chars (eg., control chars) */
599 long crlf; /* '\r' and '\n' characters */
600 long ascii; /* number of ascii chars */
601 long linemax; /* length of the longest line in the file */
602 unsigned int space : 1; /* whitespace at the end of lines? */
603 unsigned int binary : 1; /* long lines, or CR not in CRLF pair */
604 unsigned int from : 1; /* has a line beginning with "From "? */
605 unsigned int dot : 1; /* has a line consisting of a single dot? */
606 unsigned int cr : 1; /* has CR, even when in a CRLF pair */
611 char *xtype; /* content-type if x-unknown */
612 char *subtype; /* content-type subtype */
613 PARAMETER *parameter; /* parameters of the content-type */
614 char *description; /* content-description */
615 char *form_name; /* Content-Disposition form-data name param */
616 long hdr_offset; /* offset in stream where the headers begin.
617 * this info is used when invoking metamail,
618 * where we need to send the headers of the
621 LOFF_T offset; /* offset where the actual data begins */
622 LOFF_T length; /* length (in bytes) of attachment */
623 char *filename; /* when sending a message, this is the file
624 * to which this structure refers
626 char *d_filename; /* filename to be used for the
627 * content-disposition header.
628 * If NULL, filename is used
631 char *charset; /* charset of attached file */
632 CONTENT *content; /* structure used to store detailed info about
633 * the content of the attachment. this is used
634 * to determine what content-transfer-encoding
635 * is required when sending mail.
637 struct body *next; /* next attachment in the list */
638 struct body *parts; /* parts of a multipart or message/rfc822 */
639 struct header *hdr; /* header information for message/rfc822 */
641 struct attachptr *aptr; /* Menu information, used in recvattach.c */
643 signed short attach_count;
645 time_t stamp; /* time stamp of last
649 unsigned int type : 4; /* content-type primary type */
650 unsigned int encoding : 3; /* content-transfer-encoding */
651 unsigned int disposition : 2; /* content-disposition */
652 unsigned int use_disp : 1; /* Content-Disposition uses filename= ? */
653 unsigned int unlink : 1; /* flag to indicate the the file named by
654 * "filename" should be unlink()ed before
655 * free()ing this structure
657 unsigned int tagged : 1;
658 unsigned int deleted : 1; /* attachment marked for deletion */
660 unsigned int noconv : 1; /* don't do character set conversion */
661 unsigned int force_charset : 1;
662 /* send mode: don't adjust the character
663 * set when in send-mode.
665 unsigned int is_signed_data : 1; /* A lot of MUAs don't indicate
666 S/MIME signed-data correctly,
667 e.g. they use foo.p7m even for
668 the name of signed data. This
669 flag is used to keep track of
670 the actual message type. It
671 gets set during the verification
672 (which is done if the encryption
673 try failed) and check by the
674 function to figure the type of
677 unsigned int goodsig : 1; /* good cryptographic signature */
678 unsigned int warnsig : 1; /* maybe good signature */
679 unsigned int badsig : 1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
681 unsigned int collapsed : 1; /* used by recvattach */
682 unsigned int attach_qualifies : 1;
686 typedef struct header
688 unsigned int security : 11; /* bit 0-6: flags, bit 7,8: application.
689 see: crypt.h pgplib.h, smime.h */
691 unsigned int mime : 1; /* has a MIME-Version header? */
692 unsigned int flagged : 1; /* marked important? */
693 unsigned int tagged : 1;
694 unsigned int deleted : 1;
695 unsigned int changed : 1;
696 unsigned int attach_del : 1; /* has an attachment marked for deletion */
697 unsigned int old : 1;
698 unsigned int read : 1;
699 unsigned int expired : 1; /* already expired? */
700 unsigned int superseded : 1; /* got superseded? */
701 unsigned int replied : 1;
702 unsigned int subject_changed : 1; /* used for threading */
703 unsigned int threaded : 1; /* used for threading */
704 unsigned int display_subject : 1; /* used for threading */
705 unsigned int recip_valid : 1; /* is_recipient is valid */
706 unsigned int active : 1; /* message is not to be removed */
707 unsigned int trash : 1; /* message is marked as trashed on disk.
708 * This flag is used by the maildir_trash
712 /* timezone of the sender of this message */
713 unsigned int zhours : 5;
714 unsigned int zminutes : 6;
715 unsigned int zoccident : 1;
717 /* bits used for caching when searching */
718 unsigned int searched : 1;
719 unsigned int matched : 1;
721 /* tells whether the attachment count is valid */
722 unsigned int attach_valid : 1;
724 /* the following are used to support collapsing threads */
725 unsigned int collapsed : 1; /* is this message part of a collapsed thread? */
726 unsigned int limited : 1; /* is this message in a limited view? */
727 size_t num_hidden; /* number of hidden messages in this view */
729 short recipient; /* user_is_recipient()'s return value, cached */
731 int pair; /* color-pair to use when displaying in the index */
733 time_t date_sent; /* time when the message was sent (UTC) */
734 time_t received; /* time when the message was placed in the mailbox */
735 LOFF_T offset; /* where in the stream does this message begin? */
736 int lines; /* how many lines in the body of this message? */
737 int index; /* the absolute (unsorted) message number */
738 int msgno; /* number displayed to the user */
739 int virtual; /* virtual message number */
741 ENVELOPE *env; /* envelope information */
742 BODY *content; /* list of MIME parts */
745 char *tree; /* character string to print thread tree */
746 struct thread *thread;
748 /* Number of qualifying attachments in message, if attach_valid */
756 int refno; /* message number on server */
759 #if defined USE_POP || defined USE_IMAP
760 void *data; /* driver-specific data */
763 char *maildir_flags; /* unknown maildir flags */
766 typedef struct thread
768 unsigned int fake_thread : 1;
769 unsigned int duplicate_thread : 1;
770 unsigned int sort_children : 1;
771 unsigned int check_subject : 1;
772 unsigned int visible : 1;
773 unsigned int deep : 1;
774 unsigned int subtree_visible : 2;
775 unsigned int next_subtree_visible : 1;
776 struct thread *parent;
777 struct thread *child;
785 /* flag to mutt_pattern_comp() */
786 #define M_FULL_MSG (1<<0) /* enable body and header matching */
789 M_MATCH_FULL_ADDRESS = 1
792 typedef struct group_t
799 typedef struct group_context_t
802 struct group_context_t *next;
805 typedef struct pattern_t
808 unsigned int not : 1;
809 unsigned int alladdr : 1;
810 unsigned int stringmatch : 1;
811 unsigned int groupmatch : 1;
814 struct pattern_t *next;
815 struct pattern_t *child; /* arguments to logical op */
842 typedef struct _context
849 char *pattern; /* limit pattern string */
850 pattern_t *limit_pattern; /* compiled limit pattern */
852 HEADER *last_tag; /* last tagged msg. used to link threads */
853 THREAD *tree; /* top of thread tree */
854 HASH *id_hash; /* hash table by msg id */
855 HASH *subj_hash; /* hash table by subject */
856 HASH *thread_hash; /* hash table for threading */
857 int *v2r; /* mapping from virtual to real msgno */
858 int hdrmax; /* number of pointers in hdrs */
859 int msgcount; /* number of messages in the mailbox */
860 int vcount; /* the number of virtual messages */
861 int tagged; /* how many messages are tagged? */
862 int new; /* how many new messages? */
863 int unread; /* how many unread messages? */
864 int deleted; /* how many deleted messages */
865 int flagged; /* how many flagged messages */
866 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
868 short magic; /* mailbox type */
870 unsigned char rights[(RIGHTSMAX + 7)/8]; /* ACL bits */
872 unsigned int locked : 1; /* is the mailbox locked? */
873 unsigned int changed : 1; /* mailbox has been modified */
874 unsigned int readonly : 1; /* don't allow changes to the mailbox */
875 unsigned int dontwrite : 1; /* dont write the mailbox on close */
876 unsigned int append : 1; /* mailbox is opened in append mode */
877 unsigned int quiet : 1; /* inhibit status messages? */
878 unsigned int collapsed : 1; /* are all threads collapsed? */
879 unsigned int closing : 1; /* mailbox is being closed */
882 void *data; /* driver specific data */
883 int (*mx_close)(struct _context *);
894 /* used by enter.c */
906 /* flags for the STATE struct */
907 #define M_DISPLAY (1<<0) /* output is displayed to the user */
908 #define M_VERIFY (1<<1) /* perform signature verification */
909 #define M_PENDINGPREFIX (1<<2) /* prefix to write, but character must follow */
910 #define M_WEED (1<<3) /* weed headers even when not in display mode */
911 #define M_CHARCONV (1<<4) /* Do character set conversions */
912 #define M_PRINTING (1<<5) /* are we printing? - M_DISPLAY "light" */
913 #define M_REPLYING (1<<6) /* are we replying? */
914 #define M_FIRSTDONE (1<<7) /* the first attachment has been done */
916 #define state_set_prefix(s) ((s)->flags |= M_PENDINGPREFIX)
917 #define state_reset_prefix(s) ((s)->flags &= ~M_PENDINGPREFIX)
918 #define state_puts(x,y) fputs(x,(y)->fpout)
919 #define state_putc(x,y) fputc(x,(y)->fpout)
920 #define state_putws(x,y) fputws(x,(y)->fpout)
921 #define state_putwc(x,y) fputwc(x,(y)->fpout)
923 void state_mark_attach (STATE *);
924 void state_attach_puts (const char *, STATE *);
925 void state_prefix_putc (char, STATE *);
926 int state_printf(STATE *, const char *, ...);
928 /* for attachment counter */
937 #define M_PARTS_TOPLEVEL (1<<0) /* is the top-level part */