2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>
4 * Copyright (C) 2004 g10 Code GmbH
6 * This file is part of mutt-ng, see http://www.muttng.org/.
7 * It's licensed under the GNU General Public License,
8 * please see the file GPL in the top level source directory.
19 # include <unistd.h> /* needed for SEEK_SET */
22 # include <unix.h> /* needed for snprintf on QNX. */
24 #include <sys/types.h>
33 #if defined(HAVE_WCTYPE_H) && defined(HAVE_WC_FUNCS)
37 #ifndef _POSIX_PATH_MAX
38 #include <posix1_lim.h>
52 # define MB_LEN_MAX 16
56 # define MUTT_VERSION (VERSION SUBVERSION)
58 # define MUTT_VERSION (VERSION)
61 /* nifty trick I stole from ELM 2.5alpha. */
64 #define INITVAL(x) = x
70 #include "mutt_regex.h"
72 /* flags for mutt_copy_header() */
73 #define CH_UPDATE 1 /* update the status and x-status fields? */
74 #define CH_WEED (1<<1) /* weed the headers? */
75 #define CH_DECODE (1<<2) /* do RFC1522 decoding? */
76 #define CH_XMIT (1<<3) /* transmitting this message? */
77 #define CH_FROM (1<<4) /* retain the "From " message separator? */
78 #define CH_PREFIX (1<<5) /* use Prefix string? */
79 #define CH_NOSTATUS (1<<6) /* supress the status and x-status fields */
80 #define CH_REORDER (1<<7) /* Re-order output of headers */
81 #define CH_NONEWLINE (1<<8) /* don't output terminating newline */
82 #define CH_MIME (1<<9) /* ignore MIME fields */
83 #define CH_UPDATE_LEN (1<<10) /* update Lines: and Content-Length: */
84 #define CH_TXTPLAIN (1<<11) /* generate text/plain MIME headers */
85 #define CH_NOLEN (1<<12) /* don't write Content-Length: and Lines: */
86 #define CH_WEED_DELIVERED (1<<13) /* weed eventual Delivered-To headers */
87 #define CH_FORCE_FROM (1<<14) /* give CH_FROM precedence over CH_WEED? */
88 #define CH_NOQFROM (1<<15) /* give CH_FROM precedence over CH_WEED? */
89 #define CH_UPDATE_IRT (1<<16) /* update In-Reply-To: */
90 #define CH_UPDATE_REFS (1<<17) /* update References: */
92 /* flags for mutt_enter_string() */
93 #define M_ALIAS 1 /* do alias "completion" by calling up the alias-menu */
94 #define M_FILE (1<<1) /* do file completion */
95 #define M_EFILE (1<<2) /* do file completion, plus incoming folders */
96 #define M_CMD (1<<3) /* do completion on previous word */
97 #define M_PASS (1<<4) /* password mode (no echo) */
98 #define M_CLEAR (1<<5) /* clear input if printable character is pressed */
99 #define M_COMMAND (1<<6) /* do command completion */
100 #define M_PATTERN (1<<7) /* pattern mode - only used for history classes */
101 #define M_LASTFOLDER (1<<8) /* last-folder mode - hack hack hack */
103 /* flags for mutt_get_token() */
104 #define M_TOKEN_EQUAL 1 /* treat '=' as a special */
105 #define M_TOKEN_CONDENSE (1<<1) /* ^(char) to control chars (macros) */
106 #define M_TOKEN_SPACE (1<<2) /* don't treat whitespace as a term */
107 #define M_TOKEN_QUOTE (1<<3) /* don't interpret quotes */
108 #define M_TOKEN_PATTERN (1<<4) /* !)|~ are terms (for patterns) */
109 #define M_TOKEN_COMMENT (1<<5) /* don't reap comments */
110 #define M_TOKEN_SEMICOLON (1<<6) /* don't treat ; as special */
112 /* flags for km_dokey() */
113 #define M_KM_UNBUFFERED 1 /* don't read from the key buffer */
116 char *data; /* pointer to data */
117 char *dptr; /* current read/write position */
118 size_t dsize; /* length of data */
119 int destroy; /* destroy `data' when done? */
123 int ch; /* raw key pressed */
124 int op; /* function op */
127 /* flags for _mutt_system() */
128 #define M_DETACH_PROCESS 1 /* detach subprocess from group */
130 /* flags for mutt_FormatString() */
132 M_FORMAT_FORCESUBJ = (1 << 0), /* print the subject even if unchanged */
133 M_FORMAT_TREE = (1 << 1), /* draw the thread tree */
134 M_FORMAT_MAKEPRINT = (1 << 2), /* make sure that all chars are printable */
135 M_FORMAT_OPTIONAL = (1 << 3),
136 M_FORMAT_STAT_FILE = (1 << 4), /* used by mutt_attach_fmt */
137 M_FORMAT_ARROWCURSOR = (1 << 5), /* reserve space for arrow_cursor */
138 M_FORMAT_INDEX = (1 << 6) /* this is a main index entry */
141 /* types for mutt_add_hook() */
142 #define M_FOLDERHOOK 1
143 #define M_MBOXHOOK (1<<1)
144 #define M_SENDHOOK (1<<2)
145 #define M_FCCHOOK (1<<3)
146 #define M_SAVEHOOK (1<<4)
147 #define M_CHARSETHOOK (1<<5)
148 #define M_ICONVHOOK (1<<6)
149 #define M_MESSAGEHOOK (1<<7)
150 #define M_CRYPTHOOK (1<<8)
151 #define M_ACCOUNTHOOK (1<<9)
152 #define M_REPLYHOOK (1<<10)
153 #define M_SEND2HOOK (1<<11)
155 #ifdef USE_COMPRESSED
156 #define M_OPENHOOK (1<<12)
157 #define M_APPENDHOOK (1<<13)
158 #define M_CLOSEHOOK (1<<14)
161 /* tree characters for linearize_tree and print_enriched_string */
162 #define M_TREE_LLCORNER 1
163 #define M_TREE_ULCORNER 2
164 #define M_TREE_LTEE 3
165 #define M_TREE_HLINE 4
166 #define M_TREE_VLINE 5
167 #define M_TREE_SPACE 6
168 #define M_TREE_RARROW 7
169 #define M_TREE_STAR 8
170 #define M_TREE_HIDDEN 9
171 #define M_TREE_EQUALS 10
172 #define M_TREE_TTEE 11
173 #define M_TREE_BTEE 12
174 #define M_TREE_MISSING 13
175 #define M_TREE_MAX 14
177 #define M_THREAD_COLLAPSE (1<<0)
178 #define M_THREAD_UNCOLLAPSE (1<<1)
179 #define M_THREAD_GET_HIDDEN (1<<2)
180 #define M_THREAD_UNREAD (1<<3)
181 #define M_THREAD_NEXT_UNREAD (1<<4)
184 /* modes for mutt_view_attachment() */
189 /* action codes used by mutt_set_flag() and mutt_pattern_function() */
210 /* actions for mutt_pattern_comp/mutt_pattern_exec */
246 /* Options for Mailcap lookup */
252 /* options for socket code */
258 /* Options for mutt_save_attachment */
263 /* possible arguments to set_quadoption() */
271 /* quad-option vars */
286 OPT_PGPMIMEAUTO, /* ask to revert to PGP/MIME when inline fails */
296 #if defined(USE_SSL) || defined(USE_GNUTLS)
300 OPT_VERIFYSIG, /* verify PGP signatures */
306 OPT_FOLLOWUPTOPOSTER,
307 #endif /* USE_NNTP */
309 /* THIS MUST BE THE LAST VALUE. */
313 /* flags to ci_send_message() */
314 #define SENDREPLY (1<<0)
315 #define SENDGROUPREPLY (1<<1)
316 #define SENDLISTREPLY (1<<2)
317 #define SENDFORWARD (1<<3)
318 #define SENDPOSTPONED (1<<4)
319 #define SENDBATCH (1<<5)
320 #define SENDMAILX (1<<6)
321 #define SENDKEY (1<<7)
322 #define SENDRESEND (1<<8)
323 #define SENDNEWS (1<<9)
325 /* flags to _mutt_select_file() */
326 #define M_SEL_BUFFY (1<<0)
327 #define M_SEL_MULTI (1<<1)
328 #define M_SEL_FOLDER (1<<2)
330 /* flags for parse_spam_list */
377 OPTHIDETHREADSUBJECT,
380 OPTIGNORELISTREPLYTO,
386 # if defined(USE_SSL) || defined(USE_GNUTLS)
390 #if defined(USE_SSL) || defined(USE_NSS) || defined(USE_GNUTLS)
408 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
410 OPTMETAKEY, /* interpret ALT-x as ESC-x */
415 OPTMIMESUBJECT, /* encode subject line with RFC2047 */
463 #ifdef HAVE_GETADDRINFO
470 OPTWRITEBCC, /* write out a bcc header? */
482 OPTCRYPTREPLYENCRYPT,
484 OPTCRYPTREPLYSIGNENCRYPTED,
488 OPTSDEFAULTDECRYPTKEY,
511 #endif /* USE_NNTP */
515 OPTAUXSORT, /* (pseudo) using auxillary sort function */
516 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
517 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
518 OPTNOCURSES, /* (pseudo) when sending in batch mode */
519 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
520 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
521 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
522 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
523 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
524 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
525 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
526 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
527 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
528 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
529 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
530 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
531 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
532 OPTATTACHMSG, /* (pseudo) used by attach-message */
533 OPTHIDEREAD, /* (pseudo) whether or not hide read messages */
534 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
535 * functions while we are executing an
538 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
539 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
540 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
541 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
542 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
545 OPTNEWS, /* (pseudo) used to change reader mode */
546 OPTNEWSSEND, /* (pseudo) used to change behavior when posting */
547 OPTNEWSCACHE, /* (pseudo) used to indicate if news cache exist */
549 OPTSHORTENHIERARCHY, /* set when to shorten "hierarchies" in the sidebar */
550 OPTSIDEBARNEWMAILONLY,
554 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
555 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
556 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
557 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
558 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
560 #define set_option(x) mutt_bit_set(Options,x)
561 #define unset_option(x) mutt_bit_unset(Options,x)
562 #define toggle_option(x) mutt_bit_toggle(Options,x)
563 #define option(x) mutt_bit_isset(Options,x)
565 /* Exit values used in send_msg() */
569 typedef struct list_t {
574 typedef struct rx_list_t {
576 struct rx_list_t *next;
579 typedef struct spam_list_t {
583 struct spam_list_t *next;
587 #define mutt_new_list() safe_calloc (1, sizeof (LIST))
588 #define mutt_new_spam_list() safe_calloc (1, sizeof (SPAM_LIST))
589 #define mutt_new_rx_list() safe_calloc (1, sizeof (RX_LIST))
590 void mutt_free_list (LIST **);
591 void mutt_free_rx_list (RX_LIST **);
592 void mutt_free_spam_list (SPAM_LIST **);
593 LIST *mutt_copy_list (LIST *);
594 int mutt_matches_ignore (const char *, LIST *);
596 /* add an element to a list */
597 LIST *mutt_add_list (LIST *, const char *);
599 void mutt_init (int, LIST *);
601 typedef struct alias {
602 struct alias *self; /* XXX - ugly hack */
611 typedef struct envelope {
612 ADDRESS *return_path;
619 ADDRESS *mail_followup_to;
620 char *list_post; /* this stores a mailto URL, or nothing */
622 char *real_subj; /* offset of the real subject */
635 LIST *references; /* message references (in reverse order) */
636 LIST *in_reply_to; /* in-reply-to header content */
637 LIST *userhdrs; /* user defined headers */
640 typedef struct parameter {
643 struct parameter *next;
646 /* Information that helps in determing the Content-* of an attachment */
647 typedef struct content {
648 long hibin; /* 8-bit characters */
649 long lobin; /* unprintable 7-bit chars (eg., control chars) */
650 long crlf; /* '\r' and '\n' characters */
651 long ascii; /* number of ascii chars */
652 long linemax; /* length of the longest line in the file */
653 unsigned int space:1; /* whitespace at the end of lines? */
654 unsigned int binary:1; /* long lines, or CR not in CRLF pair */
655 unsigned int from:1; /* has a line beginning with "From "? */
656 unsigned int dot:1; /* has a line consisting of a single dot? */
657 unsigned int cr:1; /* has CR, even when in a CRLF pair */
660 typedef struct body {
661 char *xtype; /* content-type if x-unknown */
662 char *subtype; /* content-type subtype */
663 PARAMETER *parameter; /* parameters of the content-type */
664 char *description; /* content-description */
665 char *form_name; /* Content-Disposition form-data name param */
666 long hdr_offset; /* offset in stream where the headers begin.
667 * this info is used when invoking metamail,
668 * where we need to send the headers of the
671 long offset; /* offset where the actual data begins */
672 long length; /* length (in bytes) of attachment */
673 char *filename; /* when sending a message, this is the file
674 * to which this structure refers
676 char *d_filename; /* filename to be used for the
677 * content-disposition header.
678 * If NULL, filename is used
681 char *file_charset; /* charset of attached file */
682 CONTENT *content; /* structure used to store detailed info about
683 * the content of the attachment. this is used
684 * to determine what content-transfer-encoding
685 * is required when sending mail.
687 struct body *next; /* next attachment in the list */
688 struct body *parts; /* parts of a multipart or message/rfc822 */
689 struct header *hdr; /* header information for message/rfc822 */
691 struct attachptr *aptr; /* Menu information, used in recvattach.c */
693 time_t stamp; /* time stamp of last
697 unsigned int type:4; /* content-type primary type */
698 unsigned int encoding:3; /* content-transfer-encoding */
699 unsigned int disposition:2; /* content-disposition */
700 unsigned int use_disp:1; /* Content-Disposition uses filename= ? */
701 unsigned int unlink:1; /* flag to indicate the the file named by
702 * "filename" should be unlink()ed before
703 * free()ing this structure
705 unsigned int tagged:1;
706 unsigned int deleted:1; /* attachment marked for deletion */
708 unsigned int noconv:1; /* don't do character set conversion */
709 unsigned int force_charset:1;
710 /* send mode: don't adjust the character
711 * set when in send-mode.
713 unsigned int is_signed_data:1; /* A lot of MUAs don't indicate
714 S/MIME signed-data correctly,
715 e.g. they use foo.p7m even for
716 the name of signed data. This
717 flag is used to keep track of
718 the actual message type. It
719 gets set during the verification
720 (which is done if the encryption
721 try failed) and check by the
722 function to figure the type of
725 unsigned int goodsig:1; /* good cryptographic signature */
726 unsigned int warnsig:1; /* maybe good signature */
727 unsigned int badsig:1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
729 unsigned int collapsed:1; /* used by recvattach */
733 typedef struct header {
734 unsigned int security:11; /* bit 0-6: flags, bit 7,8: application.
735 see: crypt.h pgplib.h, smime.h */
737 unsigned int mime:1; /* has a Mime-Version header? */
738 unsigned int flagged:1; /* marked important? */
739 unsigned int tagged:1;
740 unsigned int appended:1; /* has been saved */
741 unsigned int purged:1; /* bypassing the trash folder */
742 unsigned int deleted:1;
743 unsigned int changed:1;
744 unsigned int attach_del:1; /* has an attachment marked for deletion */
747 unsigned int expired:1; /* already expired? */
748 unsigned int superseded:1; /* got superseded? */
749 unsigned int replied:1;
750 unsigned int subject_changed:1; /* used for threading */
751 unsigned int threaded:1; /* used for threading */
752 unsigned int display_subject:1; /* used for threading */
753 unsigned int irt_changed:1; /* In-Reply-To changed to link/break threads */
754 unsigned int refs_changed:1; /* References changed to break thread */
755 unsigned int recip_valid:1; /* is_recipient is valid */
756 unsigned int active:1; /* message is not to be removed */
757 unsigned int trash:1; /* message is marked as trashed on disk.
758 * This flag is used by the maildir_trash
762 /* timezone of the sender of this message */
763 unsigned int zhours:5;
764 unsigned int zminutes:6;
765 unsigned int zoccident:1;
767 /* bits used for caching when searching */
768 unsigned int searched:1;
769 unsigned int matched:1;
771 /* the following are used to support collapsing threads */
772 unsigned int collapsed:1; /* is this message part of a collapsed thread? */
773 unsigned int limited:1; /* is this message in a limited view? */
774 size_t num_hidden; /* number of hidden messages in this view */
776 short recipient; /* user_is_recipient()'s return value, cached */
778 int pair; /* color-pair to use when displaying in the index */
780 time_t date_sent; /* time when the message was sent (UTC) */
781 time_t received; /* time when the message was placed in the mailbox */
782 long offset; /* where in the stream does this message begin? */
783 int lines; /* how many lines in the body of this message? */
784 int index; /* the absolute (unsorted) message number */
785 int msgno; /* number displayed to the user */
786 int virtual; /* virtual message number */
788 ENVELOPE *env; /* envelope information */
789 BODY *content; /* list of MIME parts */
795 char *tree; /* character string to print thread tree */
796 struct thread *thread;
798 ENVELOPE *new_env; /* envelope information for rethreading */
805 int refno; /* message number on server */
808 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
809 void *data; /* driver-specific data */
812 char *maildir_flags; /* unknown maildir flags */
815 typedef struct thread {
816 unsigned int fake_thread:1;
817 unsigned int duplicate_thread:1;
818 unsigned int sort_children:1;
819 unsigned int check_subject:1;
820 unsigned int visible:1;
822 unsigned int subtree_visible:2;
823 unsigned int next_subtree_visible:1;
824 struct thread *parent;
825 struct thread *child;
833 /* flag to mutt_pattern_comp() */
834 #define M_FULL_MSG 1 /* enable body and header matching */
837 M_MATCH_FULL_ADDRESS = 1
840 typedef struct pattern_t {
846 struct pattern_t *next;
847 struct pattern_t *child; /* arguments to logical op */
855 time_t mtime_cur; /* used with maildir folders */
858 char *pattern; /* limit pattern string */
859 pattern_t *limit_pattern; /* compiled limit pattern */
861 HEADER *last_tag; /* last tagged msg. used to link threads */
862 THREAD *tree; /* top of thread tree */
863 HASH *id_hash; /* hash table by msg id */
864 HASH *subj_hash; /* hash table by subject */
865 HASH *thread_hash; /* hash table for threading */
866 int *v2r; /* mapping from virtual to real msgno */
867 int hdrmax; /* number of pointers in hdrs */
868 int msgcount; /* number of messages in the mailbox */
869 int vcount; /* the number of virtual messages */
870 int tagged; /* how many messages are tagged? */
871 int new; /* how many new messages? */
872 int unread; /* how many unread messages? */
873 int deleted; /* how many deleted messages */
874 int appended; /* how many saved messages? */
875 int flagged; /* how many flagged messages */
876 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
877 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
878 void *data; /* driver specific data */
879 #endif /* USE_IMAP */
881 short magic; /* mailbox type */
883 #ifdef USE_COMPRESSED
884 void *compressinfo; /* compressed mbox module private data */
885 char *realpath; /* path to compressed mailbox */
886 #endif /* USE_COMPRESSED */
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 typedef struct attachptr {
913 /* used by enter.c */
924 /* flags for the STATE struct */
925 #define M_DISPLAY (1<<0) /* output is displayed to the user */
926 #define M_VERIFY (1<<1) /* perform signature verification */
927 #define M_PENDINGPREFIX (1<<2) /* prefix to write, but character must follow */
928 #define M_WEED (1<<3) /* weed headers even when not in display mode */
929 #define M_CHARCONV (1<<4) /* Do character set conversions */
930 #define M_PRINTING (1<<5) /* are we printing? - M_DISPLAY "light" */
931 #define M_REPLYING (1<<6) /* are we replying? */
932 #define M_FIRSTDONE (1<<7) /* the first attachment has been done */
934 #define state_set_prefix(s) ((s)->flags |= M_PENDINGPREFIX)
935 #define state_reset_prefix(s) ((s)->flags &= ~M_PENDINGPREFIX)
936 #define state_puts(x,y) fputs(x,(y)->fpout)
937 #define state_putc(x,y) fputc(x,(y)->fpout)
939 void state_mark_attach (STATE *);
940 void state_attach_puts (const char *, STATE *);
941 void state_prefix_putc (char, STATE *);
942 int state_printf (STATE *, const char *, ...);