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., 59 Temple Place - Suite 330, Boston, MA 02111, 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
46 #include <posix1_lim.h>
60 # define MB_LEN_MAX 16
64 # define MUTT_VERSION (VERSION SUBVERSION)
66 # define MUTT_VERSION (VERSION)
69 /* nifty trick I stole from ELM 2.5alpha. */
72 #define INITVAL(x) = x
78 #include "mutt_regex.h"
80 /* flags for mutt_copy_header() */
81 #define CH_UPDATE 1 /* update the status and x-status fields? */
82 #define CH_WEED (1<<1) /* weed the headers? */
83 #define CH_DECODE (1<<2) /* do RFC1522 decoding? */
84 #define CH_XMIT (1<<3) /* transmitting this message? */
85 #define CH_FROM (1<<4) /* retain the "From " message separator? */
86 #define CH_PREFIX (1<<5) /* use Prefix string? */
87 #define CH_NOSTATUS (1<<6) /* supress the status and x-status fields */
88 #define CH_REORDER (1<<7) /* Re-order output of headers */
89 #define CH_NONEWLINE (1<<8) /* don't output terminating newline */
90 #define CH_MIME (1<<9) /* ignore MIME fields */
91 #define CH_UPDATE_LEN (1<<10) /* update Lines: and Content-Length: */
92 #define CH_TXTPLAIN (1<<11) /* generate text/plain MIME headers */
93 #define CH_NOLEN (1<<12) /* don't write Content-Length: and Lines: */
94 #define CH_WEED_DELIVERED (1<<13) /* weed eventual Delivered-To headers */
95 #define CH_FORCE_FROM (1<<14) /* give CH_FROM precedence over CH_WEED? */
96 #define CH_NOQFROM (1<<15) /* give CH_FROM precedence over CH_WEED? */
97 #define CH_UPDATE_IRT (1<<16) /* update In-Reply-To: */
98 #define CH_UPDATE_REFS (1<<17) /* update References: */
100 /* flags for mutt_enter_string() */
101 #define M_ALIAS 1 /* do alias "completion" by calling up the alias-menu */
102 #define M_FILE (1<<1) /* do file completion */
103 #define M_EFILE (1<<2) /* do file completion, plus incoming folders */
104 #define M_CMD (1<<3) /* do completion on previous word */
105 #define M_PASS (1<<4) /* password mode (no echo) */
106 #define M_CLEAR (1<<5) /* clear input if printable character is pressed */
107 #define M_COMMAND (1<<6) /* do command completion */
108 #define M_PATTERN (1<<7) /* pattern mode - only used for history classes */
109 #define M_LASTFOLDER (1<<8) /* last-folder mode - hack hack hack */
111 /* flags for mutt_get_token() */
112 #define M_TOKEN_EQUAL 1 /* treat '=' as a special */
113 #define M_TOKEN_CONDENSE (1<<1) /* ^(char) to control chars (macros) */
114 #define M_TOKEN_SPACE (1<<2) /* don't treat whitespace as a term */
115 #define M_TOKEN_QUOTE (1<<3) /* don't interpret quotes */
116 #define M_TOKEN_PATTERN (1<<4) /* !)|~ are terms (for patterns) */
117 #define M_TOKEN_COMMENT (1<<5) /* don't reap comments */
118 #define M_TOKEN_SEMICOLON (1<<6) /* don't treat ; as special */
120 /* flags for km_dokey() */
121 #define M_KM_UNBUFFERED 1 /* don't read from the key buffer */
125 char *data; /* pointer to data */
126 char *dptr; /* current read/write position */
127 size_t dsize; /* length of data */
128 int destroy; /* destroy `data' when done? */
133 int ch; /* raw key pressed */
134 int op; /* function op */
137 /* flags for _mutt_system() */
138 #define M_DETACH_PROCESS 1 /* detach subprocess from group */
140 /* flags for mutt_FormatString() */
143 M_FORMAT_FORCESUBJ = (1<<0), /* print the subject even if unchanged */
144 M_FORMAT_TREE = (1<<1), /* draw the thread tree */
145 M_FORMAT_MAKEPRINT = (1<<2), /* make sure that all chars are printable */
146 M_FORMAT_OPTIONAL = (1<<3),
147 M_FORMAT_STAT_FILE = (1<<4), /* used by mutt_attach_fmt */
148 M_FORMAT_ARROWCURSOR = (1<<5), /* reserve space for arrow_cursor */
149 M_FORMAT_INDEX = (1<<6) /* this is a main index entry */
152 /* types for mutt_add_hook() */
153 #define M_FOLDERHOOK 1
154 #define M_MBOXHOOK (1<<1)
155 #define M_SENDHOOK (1<<2)
156 #define M_FCCHOOK (1<<3)
157 #define M_SAVEHOOK (1<<4)
158 #define M_CHARSETHOOK (1<<5)
159 #define M_ICONVHOOK (1<<6)
160 #define M_MESSAGEHOOK (1<<7)
161 #define M_CRYPTHOOK (1<<8)
162 #define M_ACCOUNTHOOK (1<<9)
163 #define M_REPLYHOOK (1<<10)
164 #define M_SEND2HOOK (1<<11)
166 #ifdef USE_COMPRESSED
167 #define M_OPENHOOK (1<<12)
168 #define M_APPENDHOOK (1<<13)
169 #define M_CLOSEHOOK (1<<14)
172 /* tree characters for linearize_tree and print_enriched_string */
173 #define M_TREE_LLCORNER 1
174 #define M_TREE_ULCORNER 2
175 #define M_TREE_LTEE 3
176 #define M_TREE_HLINE 4
177 #define M_TREE_VLINE 5
178 #define M_TREE_SPACE 6
179 #define M_TREE_RARROW 7
180 #define M_TREE_STAR 8
181 #define M_TREE_HIDDEN 9
182 #define M_TREE_EQUALS 10
183 #define M_TREE_TTEE 11
184 #define M_TREE_BTEE 12
185 #define M_TREE_MISSING 13
186 #define M_TREE_MAX 14
188 #define M_THREAD_COLLAPSE (1<<0)
189 #define M_THREAD_UNCOLLAPSE (1<<1)
190 #define M_THREAD_GET_HIDDEN (1<<2)
191 #define M_THREAD_UNREAD (1<<3)
192 #define M_THREAD_NEXT_UNREAD (1<<4)
196 /* modes for mutt_view_attachment() */
201 /* action codes used by mutt_set_flag() and mutt_pattern_function() */
221 /* actions for mutt_pattern_comp/mutt_pattern_exec */
257 /* Options for Mailcap lookup */
263 /* options for socket code */
269 /* Options for mutt_save_attachment */
274 /* possible arguments to set_quadoption() */
283 /* quad-option vars */
299 OPT_PGPMIMEAUTO, /* ask to revert to PGP/MIME when inline fails */
309 #if defined(USE_SSL) || defined(USE_GNUTLS)
313 OPT_VERIFYSIG, /* verify PGP signatures */
319 OPT_FOLLOWUPTOPOSTER,
320 #endif /* USE_NNTP */
322 /* THIS MUST BE THE LAST VALUE. */
326 /* flags to ci_send_message() */
327 #define SENDREPLY (1<<0)
328 #define SENDGROUPREPLY (1<<1)
329 #define SENDLISTREPLY (1<<2)
330 #define SENDFORWARD (1<<3)
331 #define SENDPOSTPONED (1<<4)
332 #define SENDBATCH (1<<5)
333 #define SENDMAILX (1<<6)
334 #define SENDKEY (1<<7)
335 #define SENDRESEND (1<<8)
336 #define SENDNEWS (1<<9)
338 /* flags to _mutt_select_file() */
339 #define M_SEL_BUFFY (1<<0)
340 #define M_SEL_MULTI (1<<1)
341 #define M_SEL_FOLDER (1<<2)
343 /* flags for parse_spam_list */
390 OPTHIDETHREADSUBJECT,
393 OPTIGNORELISTREPLYTO,
399 # if defined(USE_SSL) || defined(USE_GNUTLS)
403 #if defined(USE_SSL) || defined(USE_NSS) || defined(USE_GNUTLS)
421 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
422 OPTMETAKEY, /* interpret ALT-x as ESC-x */
427 OPTMIMESUBJECT, /* encode subject line with RFC2047 */
473 #ifdef HAVE_GETADDRINFO
480 OPTWRITEBCC, /* write out a bcc header? */
492 OPTCRYPTREPLYENCRYPT,
494 OPTCRYPTREPLYSIGNENCRYPTED,
498 OPTSDEFAULTDECRYPTKEY,
521 #endif /* USE_NNTP */
525 OPTAUXSORT, /* (pseudo) using auxillary sort function */
526 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
527 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
528 OPTNOCURSES, /* (pseudo) when sending in batch mode */
529 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
530 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
531 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
532 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
533 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
534 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
535 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
536 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
537 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
538 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
539 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
540 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
541 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
542 OPTATTACHMSG, /* (pseudo) used by attach-message */
543 OPTHIDEREAD, /* (pseudo) whether or not hide read messages */
544 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
545 * functions while we are executing an
548 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
549 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
550 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
551 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
552 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
555 OPTNEWS, /* (pseudo) used to change reader mode */
556 OPTNEWSSEND, /* (pseudo) used to change behavior when posting */
557 OPTNEWSCACHE, /* (pseudo) used to indicate if news cache exist */
563 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
564 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
565 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
566 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
567 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
569 #define set_option(x) mutt_bit_set(Options,x)
570 #define unset_option(x) mutt_bit_unset(Options,x)
571 #define toggle_option(x) mutt_bit_toggle(Options,x)
572 #define option(x) mutt_bit_isset(Options,x)
574 /* Exit values used in send_msg() */
578 typedef struct list_t
584 typedef struct rx_list_t
587 struct rx_list_t *next;
590 typedef struct spam_list_t
595 struct spam_list_t *next;
599 #define mutt_new_list() safe_calloc (1, sizeof (LIST))
600 #define mutt_new_spam_list() safe_calloc (1, sizeof (SPAM_LIST))
601 #define mutt_new_rx_list() safe_calloc (1, sizeof (RX_LIST))
602 void mutt_free_list (LIST **);
603 void mutt_free_rx_list (RX_LIST **);
604 void mutt_free_spam_list (SPAM_LIST **);
605 LIST *mutt_copy_list (LIST *);
606 int mutt_matches_ignore (const char *, LIST *);
607 /* add an element to a list */
608 LIST *mutt_add_list (LIST *, const char *);
610 void mutt_init (int, LIST *);
614 struct alias *self; /* XXX - ugly hack */
623 typedef struct envelope
625 ADDRESS *return_path;
632 ADDRESS *mail_followup_to;
633 char *list_post; /* this stores a mailto URL, or nothing */
635 char *real_subj; /* offset of the real subject */
648 LIST *references; /* message references (in reverse order) */
649 LIST *in_reply_to; /* in-reply-to header content */
650 LIST *userhdrs; /* user defined headers */
653 typedef struct parameter
657 struct parameter *next;
660 /* Information that helps in determing the Content-* of an attachment */
661 typedef struct content
663 long hibin; /* 8-bit characters */
664 long lobin; /* unprintable 7-bit chars (eg., control chars) */
665 long crlf; /* '\r' and '\n' characters */
666 long ascii; /* number of ascii chars */
667 long linemax; /* length of the longest line in the file */
668 unsigned int space : 1; /* whitespace at the end of lines? */
669 unsigned int binary : 1; /* long lines, or CR not in CRLF pair */
670 unsigned int from : 1; /* has a line beginning with "From "? */
671 unsigned int dot : 1; /* has a line consisting of a single dot? */
672 unsigned int cr : 1; /* has CR, even when in a CRLF pair */
677 char *xtype; /* content-type if x-unknown */
678 char *subtype; /* content-type subtype */
679 PARAMETER *parameter; /* parameters of the content-type */
680 char *description; /* content-description */
681 char *form_name; /* Content-Disposition form-data name param */
682 long hdr_offset; /* offset in stream where the headers begin.
683 * this info is used when invoking metamail,
684 * where we need to send the headers of the
687 long offset; /* offset where the actual data begins */
688 long length; /* length (in bytes) of attachment */
689 char *filename; /* when sending a message, this is the file
690 * to which this structure refers
692 char *d_filename; /* filename to be used for the
693 * content-disposition header.
694 * If NULL, filename is used
697 CONTENT *content; /* structure used to store detailed info about
698 * the content of the attachment. this is used
699 * to determine what content-transfer-encoding
700 * is required when sending mail.
702 struct body *next; /* next attachment in the list */
703 struct body *parts; /* parts of a multipart or message/rfc822 */
704 struct header *hdr; /* header information for message/rfc822 */
706 struct attachptr *aptr; /* Menu information, used in recvattach.c */
708 time_t stamp; /* time stamp of last
712 unsigned int type : 4; /* content-type primary type */
713 unsigned int encoding : 3; /* content-transfer-encoding */
714 unsigned int disposition : 2; /* content-disposition */
715 unsigned int use_disp : 1; /* Content-Disposition uses filename= ? */
716 unsigned int unlink : 1; /* flag to indicate the the file named by
717 * "filename" should be unlink()ed before
718 * free()ing this structure
720 unsigned int tagged : 1;
721 unsigned int deleted : 1; /* attachment marked for deletion */
723 unsigned int noconv : 1; /* don't do character set conversion */
724 unsigned int force_charset : 1;
725 /* send mode: don't adjust the character
726 * set when in send-mode.
728 unsigned int is_signed_data : 1; /* A lot of MUAs don't indicate
729 S/MIME signed-data correctly,
730 e.g. they use foo.p7m even for
731 the name of signed data. This
732 flag is used to keep track of
733 the actual message type. It
734 gets set during the verification
735 (which is done if the encryption
736 try failed) and check by the
737 function to figure the type of
740 unsigned int goodsig : 1; /* good cryptographic signature */
741 unsigned int warnsig : 1; /* maybe good signature */
742 unsigned int badsig : 1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
744 unsigned int collapsed : 1; /* used by recvattach */
748 typedef struct header
750 unsigned int security : 11; /* bit 0-6: flags, bit 7,8: application.
751 see: crypt.h pgplib.h, smime.h */
753 unsigned int mime : 1; /* has a Mime-Version header? */
754 unsigned int flagged : 1; /* marked important? */
755 unsigned int tagged : 1;
756 unsigned int appended : 1; /* has been saved */
757 unsigned int purged : 1; /* bypassing the trash folder */
758 unsigned int deleted : 1;
759 unsigned int changed : 1;
760 unsigned int attach_del : 1; /* has an attachment marked for deletion */
761 unsigned int old : 1;
762 unsigned int read : 1;
763 unsigned int expired : 1; /* already expired? */
764 unsigned int superseded : 1; /* got superseded? */
765 unsigned int replied : 1;
766 unsigned int subject_changed : 1; /* used for threading */
767 unsigned int threaded : 1; /* used for threading */
768 unsigned int display_subject : 1; /* used for threading */
769 unsigned int irt_changed : 1; /* In-Reply-To changed to link/break threads */
770 unsigned int refs_changed : 1; /* References changed to break thread */
771 unsigned int recip_valid : 1; /* is_recipient is valid */
772 unsigned int active : 1; /* message is not to be removed */
773 unsigned int trash : 1; /* message is marked as trashed on disk.
774 * This flag is used by the maildir_trash
778 /* timezone of the sender of this message */
779 unsigned int zhours : 5;
780 unsigned int zminutes : 6;
781 unsigned int zoccident : 1;
783 /* bits used for caching when searching */
784 unsigned int searched : 1;
785 unsigned int matched : 1;
787 /* the following are used to support collapsing threads */
788 unsigned int collapsed : 1; /* is this message part of a collapsed thread? */
789 unsigned int limited : 1; /* is this message in a limited view? */
790 size_t num_hidden; /* number of hidden messages in this view */
792 short recipient; /* user_is_recipient()'s return value, cached */
794 int pair; /* color-pair to use when displaying in the index */
796 time_t date_sent; /* time when the message was sent (UTC) */
797 time_t received; /* time when the message was placed in the mailbox */
798 long offset; /* where in the stream does this message begin? */
799 int lines; /* how many lines in the body of this message? */
800 int index; /* the absolute (unsorted) message number */
801 int msgno; /* number displayed to the user */
802 int virtual; /* virtual message number */
804 ENVELOPE *env; /* envelope information */
805 BODY *content; /* list of MIME parts */
811 char *tree; /* character string to print thread tree */
812 struct thread *thread;
814 #ifdef IMAP_EDIT_THREADS
815 ENVELOPE *new_env; /* envelope information for rethreading */
823 int refno; /* message number on server */
826 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
827 void *data; /* driver-specific data */
830 char *maildir_flags; /* unknown maildir flags */
833 typedef struct thread
835 unsigned int fake_thread : 1;
836 unsigned int duplicate_thread : 1;
837 unsigned int sort_children : 1;
838 unsigned int check_subject : 1;
839 unsigned int visible : 1;
840 unsigned int deep : 1;
841 unsigned int subtree_visible : 2;
842 unsigned int next_subtree_visible : 1;
843 struct thread *parent;
844 struct thread *child;
852 /* flag to mutt_pattern_comp() */
853 #define M_FULL_MSG 1 /* enable body and header matching */
856 M_MATCH_FULL_ADDRESS = 1
859 typedef struct pattern_t
866 struct pattern_t *next;
867 struct pattern_t *child; /* arguments to logical op */
876 time_t mtime_cur; /* used with maildir folders */
879 char *pattern; /* limit pattern string */
880 pattern_t *limit_pattern; /* compiled limit pattern */
882 HEADER *last_tag; /* last tagged msg. used to link threads */
883 THREAD *tree; /* top of thread tree */
884 HASH *id_hash; /* hash table by msg id */
885 HASH *subj_hash; /* hash table by subject */
886 HASH *thread_hash; /* hash table for threading */
887 int *v2r; /* mapping from virtual to real msgno */
888 int hdrmax; /* number of pointers in hdrs */
889 int msgcount; /* number of messages in the mailbox */
890 int vcount; /* the number of virtual messages */
891 int tagged; /* how many messages are tagged? */
892 int new; /* how many new messages? */
893 int unread; /* how many unread messages? */
894 int deleted; /* how many deleted messages */
895 int appended; /* how many saved messages? */
896 int flagged; /* how many flagged messages */
897 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
898 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
899 void *data; /* driver specific data */
900 #endif /* USE_IMAP */
902 short magic; /* mailbox type */
904 #ifdef USE_COMPRESSED
905 void *compressinfo; /* compressed mbox module private data */
906 char *realpath; /* path to compressed mailbox */
907 #endif /* USE_COMPRESSED */
909 unsigned int locked : 1; /* is the mailbox locked? */
910 unsigned int changed : 1; /* mailbox has been modified */
911 unsigned int readonly : 1; /* don't allow changes to the mailbox */
912 unsigned int dontwrite : 1; /* dont write the mailbox on close */
913 unsigned int append : 1; /* mailbox is opened in append mode */
914 unsigned int quiet : 1; /* inhibit status messages? */
915 unsigned int collapsed : 1; /* are all threads collapsed? */
916 unsigned int closing : 1; /* mailbox is being closed */
919 typedef struct attachptr
936 /* used by enter.c */
948 /* flags for the STATE struct */
949 #define M_DISPLAY (1<<0) /* output is displayed to the user */
950 #define M_VERIFY (1<<1) /* perform signature verification */
951 #define M_PENDINGPREFIX (1<<2) /* prefix to write, but character must follow */
952 #define M_WEED (1<<3) /* weed headers even when not in display mode */
953 #define M_CHARCONV (1<<4) /* Do character set conversions */
954 #define M_PRINTING (1<<5) /* are we printing? - M_DISPLAY "light" */
955 #define M_REPLYING (1<<6) /* are we replying? */
956 #define M_FIRSTDONE (1<<7) /* the first attachment has been done */
958 #define state_set_prefix(s) ((s)->flags |= M_PENDINGPREFIX)
959 #define state_reset_prefix(s) ((s)->flags &= ~M_PENDINGPREFIX)
960 #define state_puts(x,y) fputs(x,(y)->fpout)
961 #define state_putc(x,y) fputc(x,(y)->fpout)
963 void state_mark_attach (STATE *);
964 void state_attach_puts (const char *, STATE *);
965 void state_prefix_putc (char, STATE *);
966 int state_printf(STATE *, const char *, ...);