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>
53 # define MB_LEN_MAX 16
56 # define MUTT_VERSION (VERSION)
58 /* nifty trick I stole from ELM 2.5alpha. */
61 #define INITVAL(x) = x
67 /* flags for mutt_copy_header() */
68 #define CH_UPDATE 1 /* update the status and x-status fields? */
69 #define CH_WEED (1<<1) /* weed the headers? */
70 #define CH_DECODE (1<<2) /* do RFC1522 decoding? */
71 #define CH_XMIT (1<<3) /* transmitting this message? */
72 #define CH_FROM (1<<4) /* retain the "From " message separator? */
73 #define CH_PREFIX (1<<5) /* use Prefix string? */
74 #define CH_NOSTATUS (1<<6) /* supress the status and x-status fields */
75 #define CH_REORDER (1<<7) /* Re-order output of headers */
76 #define CH_NONEWLINE (1<<8) /* don't output terminating newline */
77 #define CH_MIME (1<<9) /* ignore MIME fields */
78 #define CH_UPDATE_LEN (1<<10) /* update Lines: and Content-Length: */
79 #define CH_TXTPLAIN (1<<11) /* generate text/plain MIME headers */
80 #define CH_NOLEN (1<<12) /* don't write Content-Length: and Lines: */
81 #define CH_WEED_DELIVERED (1<<13) /* weed eventual Delivered-To headers */
82 #define CH_FORCE_FROM (1<<14) /* give CH_FROM precedence over CH_WEED? */
83 #define CH_NOQFROM (1<<15) /* give CH_FROM precedence over CH_WEED? */
84 #define CH_UPDATE_IRT (1<<16) /* update In-Reply-To: */
85 #define CH_UPDATE_REFS (1<<17) /* update References: */
87 /* flags for mutt_enter_string() */
88 #define M_ALIAS 1 /* do alias "completion" by calling up the alias-menu */
89 #define M_FILE (1<<1) /* do file completion */
90 #define M_EFILE (1<<2) /* do file completion, plus incoming folders */
91 #define M_CMD (1<<3) /* do completion on previous word */
92 #define M_PASS (1<<4) /* password mode (no echo) */
93 #define M_CLEAR (1<<5) /* clear input if printable character is pressed */
94 #define M_COMMAND (1<<6) /* do command completion */
95 #define M_PATTERN (1<<7) /* pattern mode - only used for history classes */
96 #define M_LASTFOLDER (1<<8) /* last-folder mode - hack hack hack */
98 /* flags for mutt_get_token() */
99 #define M_TOKEN_EQUAL 1 /* treat '=' as a special */
100 #define M_TOKEN_CONDENSE (1<<1) /* ^(char) to control chars (macros) */
101 #define M_TOKEN_SPACE (1<<2) /* don't treat whitespace as a term */
102 #define M_TOKEN_QUOTE (1<<3) /* don't interpret quotes */
103 #define M_TOKEN_PATTERN (1<<4) /* !)|~ are terms (for patterns) */
104 #define M_TOKEN_COMMENT (1<<5) /* don't reap comments */
105 #define M_TOKEN_SEMICOLON (1<<6) /* don't treat ; as special */
107 /* flags for km_dokey() */
108 #define M_KM_UNBUFFERED 1 /* don't read from the key buffer */
111 char *data; /* pointer to data */
112 char *dptr; /* current read/write position */
113 size_t dsize; /* length of data */
114 int destroy; /* destroy `data' when done? */
118 int ch; /* raw key pressed */
119 int op; /* function op */
122 /* flags for _mutt_system() */
123 #define M_DETACH_PROCESS 1 /* detach subprocess from group */
125 /* flags for mutt_FormatString() */
127 M_FORMAT_FORCESUBJ = (1 << 0), /* print the subject even if unchanged */
128 M_FORMAT_TREE = (1 << 1), /* draw the thread tree */
129 M_FORMAT_MAKEPRINT = (1 << 2), /* make sure that all chars are printable */
130 M_FORMAT_OPTIONAL = (1 << 3),
131 M_FORMAT_STAT_FILE = (1 << 4), /* used by mutt_attach_fmt */
132 M_FORMAT_ARROWCURSOR = (1 << 5), /* reserve space for arrow_cursor */
133 M_FORMAT_INDEX = (1 << 6) /* this is a main index entry */
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 #ifdef USE_COMPRESSED
151 #define M_OPENHOOK (1<<12)
152 #define M_APPENDHOOK (1<<13)
153 #define M_CLOSEHOOK (1<<14)
156 /* tree characters for linearize_tree and print_enriched_string */
157 #define M_TREE_LLCORNER 1
158 #define M_TREE_ULCORNER 2
159 #define M_TREE_LTEE 3
160 #define M_TREE_HLINE 4
161 #define M_TREE_VLINE 5
162 #define M_TREE_SPACE 6
163 #define M_TREE_RARROW 7
164 #define M_TREE_STAR 8
165 #define M_TREE_HIDDEN 9
166 #define M_TREE_EQUALS 10
167 #define M_TREE_TTEE 11
168 #define M_TREE_BTEE 12
169 #define M_TREE_MISSING 13
170 #define M_TREE_MAX 14
172 #define M_THREAD_COLLAPSE (1<<0)
173 #define M_THREAD_UNCOLLAPSE (1<<1)
174 #define M_THREAD_GET_HIDDEN (1<<2)
175 #define M_THREAD_UNREAD (1<<3)
176 #define M_THREAD_NEXT_UNREAD (1<<4)
179 /* modes for mutt_view_attachment() */
184 /* action codes used by mutt_set_flag() and mutt_pattern_function() */
205 /* actions for mutt_pattern_comp/mutt_pattern_exec */
241 /* Options for Mailcap lookup */
247 /* options for socket code */
253 /* Options for mutt_save_attachment */
258 /* possible arguments to set_quadoption() */
266 /* quad-option vars */
281 OPT_PGPMIMEAUTO, /* ask to revert to PGP/MIME when inline fails */
291 #if defined(USE_SSL) || defined(USE_GNUTLS)
295 OPT_VERIFYSIG, /* verify PGP signatures */
301 OPT_FOLLOWUPTOPOSTER,
302 #endif /* USE_NNTP */
304 /* THIS MUST BE THE LAST VALUE. */
308 /* flags to ci_send_message() */
309 #define SENDREPLY (1<<0)
310 #define SENDGROUPREPLY (1<<1)
311 #define SENDLISTREPLY (1<<2)
312 #define SENDFORWARD (1<<3)
313 #define SENDPOSTPONED (1<<4)
314 #define SENDBATCH (1<<5)
315 #define SENDMAILX (1<<6)
316 #define SENDKEY (1<<7)
317 #define SENDRESEND (1<<8)
318 #define SENDNEWS (1<<9)
320 /* flags to _mutt_select_file() */
321 #define M_SEL_BUFFY (1<<0)
322 #define M_SEL_MULTI (1<<1)
323 #define M_SEL_FOLDER (1<<2)
325 /* flags for parse_spam_list */
368 #endif /* HAVE_QDBM */
376 OPTHIDETHREADSUBJECT,
379 OPTIGNORELISTREPLYTO,
386 #if defined(USE_SSL) || defined(USE_GNUTLS)
390 # endif /* !USE_GNUTLS */
394 #endif /* USE_SSL || USE_GNUTLS */
403 OPTMENUSCROLL, /* scroll menu instead of implicit next-page */
405 OPTMETAKEY, /* interpret ALT-x as ESC-x */
410 OPTMIMESUBJECT, /* encode subject line with RFC2047 */
459 #ifdef HAVE_GETADDRINFO
466 OPTWRITEBCC, /* write out a bcc header? */
478 OPTCRYPTREPLYENCRYPT,
480 OPTCRYPTREPLYSIGNENCRYPTED,
484 OPTSDEFAULTDECRYPTKEY,
507 #endif /* USE_NNTP */
511 OPTAUXSORT, /* (pseudo) using auxillary sort function */
512 OPTFORCEREFRESH, /* (pseudo) refresh even during macros */
513 OPTLOCALES, /* (pseudo) set if user has valid locale definition */
514 OPTNOCURSES, /* (pseudo) when sending in batch mode */
515 OPTNEEDREDRAW, /* (pseudo) to notify caller of a submenu */
516 OPTSEARCHREVERSE, /* (pseudo) used by ci_search_command */
517 OPTMSGERR, /* (pseudo) used by mutt_error/mutt_message */
518 OPTSEARCHINVALID, /* (pseudo) used to invalidate the search pat */
519 OPTSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals () */
520 OPTSYSSIGNALSBLOCKED, /* (pseudo) using by mutt_block_signals_system () */
521 OPTNEEDRESORT, /* (pseudo) used to force a re-sort */
522 OPTRESORTINIT, /* (pseudo) used to force the next resort to be from scratch */
523 OPTVIEWATTACH, /* (pseudo) signals that we are viewing attachments */
524 OPTFORCEREDRAWINDEX, /* (pseudo) used to force a redraw in the main index */
525 OPTFORCEREDRAWPAGER, /* (pseudo) used to force a redraw in the pager */
526 OPTSORTSUBTHREADS, /* (pseudo) used when $sort_aux changes */
527 OPTNEEDRESCORE, /* (pseudo) set when the `score' command is used */
528 OPTATTACHMSG, /* (pseudo) used by attach-message */
529 OPTHIDEREAD, /* (pseudo) whether or not hide read messages */
530 OPTKEEPQUIET, /* (pseudo) shut up the message and refresh
531 * functions while we are executing an
534 OPTMENUCALLER, /* (pseudo) tell menu to give caller a take */
535 OPTREDRAWTREE, /* (pseudo) redraw the thread tree */
536 OPTPGPCHECKTRUST, /* (pseudo) used by pgp_select_key () */
537 OPTDONTHANDLEPGPKEYS, /* (pseudo) used to extract PGP keys */
538 OPTUNBUFFEREDINPUT, /* (pseudo) don't use key buffer */
541 OPTNEWS, /* (pseudo) used to change reader mode */
542 OPTNEWSSEND, /* (pseudo) used to change behavior when posting */
543 OPTNEWSCACHE, /* (pseudo) used to indicate if news cache exist */
545 OPTSHORTENHIERARCHY, /* set when to shorten "hierarchies" in the sidebar */
546 OPTSIDEBARNEWMAILONLY,
550 #define mutt_bit_alloc(n) calloc ((n + 7) / 8, sizeof (char))
551 #define mutt_bit_set(v,n) v[n/8] |= (1 << (n % 8))
552 #define mutt_bit_unset(v,n) v[n/8] &= ~(1 << (n % 8))
553 #define mutt_bit_toggle(v,n) v[n/8] ^= (1 << (n % 8))
554 #define mutt_bit_isset(v,n) (v[n/8] & (1 << (n % 8)))
556 #define set_option(x) mutt_bit_set(Options,x)
557 #define unset_option(x) mutt_bit_unset(Options,x)
558 #define toggle_option(x) mutt_bit_toggle(Options,x)
559 #define option(x) mutt_bit_isset(Options,x)
561 typedef struct list_t {
566 typedef struct spam_list_t {
570 struct spam_list_t *next;
574 #define mutt_new_list() mem_calloc (1, sizeof (LIST))
575 #define mutt_new_spam_list() mem_calloc (1, sizeof (SPAM_LIST))
576 void mutt_free_list (LIST **);
577 void mutt_free_spam_list (SPAM_LIST **);
578 LIST *mutt_copy_list (LIST *);
579 int mutt_matches_ignore (const char *, LIST *);
581 /* add an element to a list */
582 LIST *mutt_add_list (LIST*, const char*);
583 LIST *mutt_add_list_n (LIST*, const void*, size_t len);
585 void mutt_init (int, LIST *);
587 typedef struct envelope {
588 ADDRESS *return_path;
595 ADDRESS *mail_followup_to;
596 char *list_post; /* this stores a mailto URL, or nothing */
598 char *real_subj; /* offset of the real subject */
611 LIST *references; /* message references (in reverse order) */
612 LIST *in_reply_to; /* in-reply-to header content */
613 LIST *userhdrs; /* user defined headers */
614 unsigned int irt_changed:1; /* In-Reply-To changed to link/break threads */
615 unsigned int refs_changed:1; /* References changed to break thread */
618 typedef struct parameter {
621 struct parameter *next;
624 /* Information that helps in determing the Content-* of an attachment */
625 typedef struct content {
626 long hibin; /* 8-bit characters */
627 long lobin; /* unprintable 7-bit chars (eg., control chars) */
628 long crlf; /* '\r' and '\n' characters */
629 long ascii; /* number of ascii chars */
630 long linemax; /* length of the longest line in the file */
631 unsigned int space:1; /* whitespace at the end of lines? */
632 unsigned int binary:1; /* long lines, or CR not in CRLF pair */
633 unsigned int from:1; /* has a line beginning with "From "? */
634 unsigned int dot:1; /* has a line consisting of a single dot? */
635 unsigned int cr:1; /* has CR, even when in a CRLF pair */
638 typedef struct body {
639 char *xtype; /* content-type if x-unknown */
640 char *subtype; /* content-type subtype */
641 PARAMETER *parameter; /* parameters of the content-type */
642 char *description; /* content-description */
643 char *form_name; /* Content-Disposition form-data name param */
644 long hdr_offset; /* offset in stream where the headers begin.
645 * this info is used when invoking metamail,
646 * where we need to send the headers of the
649 long offset; /* offset where the actual data begins */
650 long length; /* length (in bytes) of attachment */
651 char *filename; /* when sending a message, this is the file
652 * to which this structure refers
654 char *d_filename; /* filename to be used for the
655 * content-disposition header.
656 * If NULL, filename is used
659 char *file_charset; /* charset of attached file */
660 CONTENT *content; /* structure used to store detailed info about
661 * the content of the attachment. this is used
662 * to determine what content-transfer-encoding
663 * is required when sending mail.
665 struct body *next; /* next attachment in the list */
666 struct body *parts; /* parts of a multipart or message/rfc822 */
667 struct header *hdr; /* header information for message/rfc822 */
669 struct attachptr *aptr; /* Menu information, used in recvattach.c */
671 time_t stamp; /* time stamp of last
675 unsigned int type:4; /* content-type primary type */
676 unsigned int encoding:3; /* content-transfer-encoding */
677 unsigned int disposition:2; /* content-disposition */
678 unsigned int use_disp:1; /* Content-Disposition uses filename= ? */
679 unsigned int unlink:1; /* flag to indicate the the file named by
680 * "filename" should be unlink()ed before
681 * free()ing this structure
683 unsigned int tagged:1;
684 unsigned int deleted:1; /* attachment marked for deletion */
686 unsigned int noconv:1; /* don't do character set conversion */
687 unsigned int force_charset:1;
688 /* send mode: don't adjust the character
689 * set when in send-mode.
691 unsigned int is_signed_data:1; /* A lot of MUAs don't indicate
692 S/MIME signed-data correctly,
693 e.g. they use foo.p7m even for
694 the name of signed data. This
695 flag is used to keep track of
696 the actual message type. It
697 gets set during the verification
698 (which is done if the encryption
699 try failed) and check by the
700 function to figure the type of
703 unsigned int goodsig:1; /* good cryptographic signature */
704 unsigned int warnsig:1; /* maybe good signature */
705 unsigned int badsig:1; /* bad cryptographic signature (needed to check encrypted s/mime-signatures) */
707 unsigned int collapsed:1; /* used by recvattach */
711 typedef struct header {
712 unsigned int security:11; /* bit 0-6: flags, bit 7,8: application.
713 see: crypt.h pgplib.h, smime.h */
715 unsigned int mime:1; /* has a Mime-Version header? */
716 unsigned int flagged:1; /* marked important? */
717 unsigned int tagged:1;
718 unsigned int appended:1; /* has been saved */
719 unsigned int purged:1; /* bypassing the trash folder */
720 unsigned int deleted:1;
721 unsigned int changed:1;
722 unsigned int attach_del:1; /* has an attachment marked for deletion */
725 unsigned int expired:1; /* already expired? */
726 unsigned int superseded:1; /* got superseded? */
727 unsigned int replied:1;
728 unsigned int subject_changed:1; /* used for threading */
729 unsigned int threaded:1; /* used for threading */
730 unsigned int display_subject:1; /* used for threading */
731 unsigned int recip_valid:1; /* is_recipient is valid */
732 unsigned int active:1; /* message is not to be removed */
733 unsigned int trash:1; /* message is marked as trashed on disk.
734 * This flag is used by the maildir_trash
738 /* timezone of the sender of this message */
739 unsigned int zhours:5;
740 unsigned int zminutes:6;
741 unsigned int zoccident:1;
743 /* bits used for caching when searching */
744 unsigned int searched:1;
745 unsigned int matched:1;
747 /* the following are used to support collapsing threads */
748 unsigned int collapsed:1; /* is this message part of a collapsed thread? */
749 unsigned int limited:1; /* is this message in a limited view? */
750 size_t num_hidden; /* number of hidden messages in this view */
752 short recipient; /* user_is_recipient()'s return value, cached */
754 int pair; /* color-pair to use when displaying in the index */
756 time_t date_sent; /* time when the message was sent (UTC) */
757 time_t received; /* time when the message was placed in the mailbox */
758 long offset; /* where in the stream does this message begin? */
759 int lines; /* how many lines in the body of this message? */
760 int index; /* the absolute (unsorted) message number */
761 int msgno; /* number displayed to the user */
762 int virtual; /* virtual message number */
764 ENVELOPE *env; /* envelope information */
765 BODY *content; /* list of MIME parts */
771 char *tree; /* character string to print thread tree */
772 struct thread *thread;
779 int refno; /* message number on server */
782 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
783 void *data; /* driver-specific data */
786 char *maildir_flags; /* unknown maildir flags */
789 typedef struct thread {
790 unsigned int fake_thread:1;
791 unsigned int duplicate_thread:1;
792 unsigned int sort_children:1;
793 unsigned int check_subject:1;
794 unsigned int visible:1;
796 unsigned int subtree_visible:2;
797 unsigned int next_subtree_visible:1;
798 struct thread *parent;
799 struct thread *child;
807 /* flag to mutt_pattern_comp() */
808 #define M_FULL_MSG 1 /* enable body and header matching */
811 M_MATCH_FULL_ADDRESS = 1
814 typedef struct pattern_t {
820 struct pattern_t *next;
821 struct pattern_t *child; /* arguments to logical op */
829 time_t mtime_cur; /* used with maildir folders */
832 char *pattern; /* limit pattern string */
833 pattern_t *limit_pattern; /* compiled limit pattern */
835 HEADER *last_tag; /* last tagged msg. used to link threads */
836 THREAD *tree; /* top of thread tree */
837 HASH *id_hash; /* hash table by msg id */
838 HASH *subj_hash; /* hash table by subject */
839 HASH *thread_hash; /* hash table for threading */
840 int *v2r; /* mapping from virtual to real msgno */
841 int hdrmax; /* number of pointers in hdrs */
842 int msgcount; /* number of messages in the mailbox */
843 int vcount; /* the number of virtual messages */
844 int tagged; /* how many messages are tagged? */
845 int new; /* how many new messages? */
846 int unread; /* how many unread messages? */
847 int deleted; /* how many deleted messages */
848 int appended; /* how many saved messages? */
849 int flagged; /* how many flagged messages */
850 int msgnotreadyet; /* which msg "new" in pager, -1 if none */
851 #if defined USE_POP || defined USE_IMAP || defined USE_NNTP
852 void *data; /* driver specific data */
853 #endif /* USE_IMAP */
855 short magic; /* mailbox type */
857 #ifdef USE_COMPRESSED
858 void *compressinfo; /* compressed mbox module private data */
859 char *realpath; /* path to compressed mailbox */
860 #endif /* USE_COMPRESSED */
862 unsigned int locked:1; /* is the mailbox locked? */
863 unsigned int changed:1; /* mailbox has been modified */
864 unsigned int readonly:1; /* don't allow changes to the mailbox */
865 unsigned int dontwrite:1; /* dont write the mailbox on close */
866 unsigned int append:1; /* mailbox is opened in append mode */
867 unsigned int quiet:1; /* inhibit status messages? */
868 unsigned int collapsed:1; /* are all threads collapsed? */
869 unsigned int closing:1; /* mailbox is being closed */
870 unsigned int counting:1; /* do we just want to cound? */
873 typedef struct attachptr {
879 unsigned int unowned:1; /* don't unlink on detach */
891 #endif /* !_MUTT_H */