2 * Copyright (C) 1996-2002,2004,2007 Michael R. Elkins <me@mutt.org>, and others
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 #include "mutt_crypt.h"
35 int type; /* hook type */
36 REGEXP rx; /* regular expression */
37 char *command; /* filename, command or pattern to execute */
38 pattern_t *pattern; /* used for fcc,save,send-hook */
42 static HOOK *Hooks = NULL;
44 static int current_hook_type = 0;
46 int mutt_parse_hook (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
49 BUFFER command, pattern;
52 pattern_t *pat = NULL;
53 char path[_POSIX_PATH_MAX];
55 memset (&pattern, 0, sizeof (pattern));
56 memset (&command, 0, sizeof (command));
65 mutt_extract_token (&pattern, s, 0);
69 strfcpy (err->data, _("too few arguments"), err->dsize);
73 mutt_extract_token (&command, s, (data & (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
77 strfcpy (err->data, _("too few arguments"), err->dsize);
83 strfcpy (err->data, _("too many arguments"), err->dsize);
87 if (data & (M_FOLDERHOOK | M_MBOXHOOK))
89 strfcpy (path, pattern.data, sizeof (path));
90 _mutt_expand_path (path, sizeof (path), 1);
92 memset (&pattern, 0, sizeof (pattern));
93 pattern.data = safe_strdup (path);
95 else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ICONVHOOK | M_ACCOUNTHOOK))
96 && (!WithCrypto || !(data & M_CRYPTHOOK))
99 char tmp[HUGE_STRING];
101 /* At this stage remain only message-hooks, reply-hooks, send-hooks,
102 * send2-hooks, save-hooks, and fcc-hooks: All those allowing full
103 * patterns. If given a simple regexp, we expand $default_hook.
105 strfcpy (tmp, pattern.data, sizeof (tmp));
106 mutt_check_simple (tmp, sizeof (tmp), DefaultHook);
107 FREE (&pattern.data);
108 memset (&pattern, 0, sizeof (pattern));
109 pattern.data = safe_strdup (tmp);
112 if (data & (M_MBOXHOOK | M_SAVEHOOK | M_FCCHOOK))
114 strfcpy (path, command.data, sizeof (path));
115 mutt_expand_path (path, sizeof (path));
116 FREE (&command.data);
117 memset (&command, 0, sizeof (command));
118 command.data = safe_strdup (path);
121 /* check to make sure that a matching hook doesn't already exist */
122 for (ptr = Hooks; ptr; ptr = ptr->next)
124 if (ptr->type == data &&
125 ptr->rx.not == not &&
126 !mutt_strcmp (pattern.data, ptr->rx.pattern))
128 if (data & (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_MESSAGEHOOK | M_ACCOUNTHOOK | M_REPLYHOOK))
130 /* these hooks allow multiple commands with the same
131 * pattern, so if we've already seen this pattern/command pair, just
132 * ignore it instead of creating a duplicate */
133 if (!mutt_strcmp (ptr->command, command.data))
135 FREE (&command.data);
136 FREE (&pattern.data);
142 /* other hooks only allow one command per pattern, so update the
143 * entry with the new command. this currently does not change the
144 * order of execution of the hooks, which i think is desirable since
145 * a common action to perform is to change the default (.) entry
146 * based upon some other information. */
147 FREE (&ptr->command);
148 ptr->command = command.data;
149 FREE (&pattern.data);
157 if (data & (M_SENDHOOK | M_SEND2HOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK | M_REPLYHOOK))
159 if ((pat = mutt_pattern_comp (pattern.data,
160 (data & (M_SENDHOOK | M_SEND2HOOK | M_FCCHOOK)) ? 0 : M_FULL_MSG,
166 /* Hooks not allowing full patterns: Check syntax of regexp */
167 rx = safe_malloc (sizeof (regex_t));
169 if ((rc = REGCOMP (rx, NONULL(pattern.data), ((data & (M_CRYPTHOOK|M_CHARSETHOOK|M_ICONVHOOK)) ? REG_ICASE : 0))) != 0)
171 if ((rc = REGCOMP (rx, NONULL(pattern.data), (data & (M_CHARSETHOOK|M_ICONVHOOK)) ? REG_ICASE : 0)) != 0)
172 #endif /* M_CRYPTHOOK */
174 regerror (rc, rx, err->data, err->dsize);
183 ptr->next = safe_calloc (1, sizeof (HOOK));
187 Hooks = ptr = safe_calloc (1, sizeof (HOOK));
189 ptr->command = command.data;
191 ptr->rx.pattern = pattern.data;
197 FREE (&pattern.data);
198 FREE (&command.data);
202 static void delete_hook (HOOK *h)
205 FREE (&h->rx.pattern);
210 mutt_pattern_free (&h->pattern);
214 /* Deletes all hooks of type ``type'', or all defined hooks if ``type'' is 0 */
215 static void delete_hooks (int type)
220 while (h = Hooks, h && (type == 0 || type == h->type))
226 prev = h; /* Unused assignment to avoid compiler warnings */
232 prev->next = h->next;
241 int mutt_parse_unhook (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
245 mutt_extract_token (buf, s, 0);
246 if (mutt_strcmp ("*", buf->data) == 0)
248 if (current_hook_type)
250 snprintf (err->data, err->dsize,
251 _("unhook: Can't do unhook * from within a hook."));
258 int type = mutt_get_hook_type (buf->data);
262 snprintf (err->data, err->dsize,
263 _("unhook: unknown hook type: %s"), buf->data);
266 if (current_hook_type == type)
268 snprintf (err->data, err->dsize,
269 _("unhook: Can't delete a %s from within a %s."),
270 buf->data, buf->data);
279 void mutt_folder_hook (char *path)
285 current_hook_type = M_FOLDERHOOK;
288 err.dsize = sizeof (buf);
289 memset (&token, 0, sizeof (token));
290 for (; tmp; tmp = tmp->next)
295 if (tmp->type & M_FOLDERHOOK)
297 if ((regexec (tmp->rx.rx, path, 0, NULL, 0) == 0) ^ tmp->rx.not)
299 if (mutt_parse_rc_line (tmp->command, &token, &err) == -1)
301 mutt_error ("%s", err.data);
303 mutt_sleep (1); /* pause a moment to let the user see the error */
304 current_hook_type = 0;
312 current_hook_type = 0;
315 char *mutt_find_hook (int type, const char *pat)
319 for (; tmp; tmp = tmp->next)
320 if (tmp->type & type)
322 if (regexec (tmp->rx.rx, pat, 0, NULL, 0) == 0)
323 return (tmp->command);
328 void mutt_message_hook (CONTEXT *ctx, HEADER *hdr, int type)
334 current_hook_type = type;
337 err.dsize = sizeof (buf);
338 memset (&token, 0, sizeof (token));
339 for (hook = Hooks; hook; hook = hook->next)
344 if (hook->type & type)
345 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
346 if (mutt_parse_rc_line (hook->command, &token, &err) != 0)
349 mutt_error ("%s", err.data);
351 current_hook_type = 0;
356 current_hook_type = 0;
360 mutt_addr_hook (char *path, size_t pathlen, int type, CONTEXT *ctx, HEADER *hdr)
364 /* determine if a matching hook exists */
365 for (hook = Hooks; hook; hook = hook->next)
370 if (hook->type & type)
371 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
373 mutt_make_string (path, pathlen, hook->command, ctx, hdr);
381 void mutt_default_save (char *path, size_t pathlen, HEADER *hdr)
384 if (mutt_addr_hook (path, pathlen, M_SAVEHOOK, Context, hdr) != 0)
386 char tmp[_POSIX_PATH_MAX];
388 ENVELOPE *env = hdr->env;
389 int fromMe = mutt_addr_is_user (env->from);
391 if (!fromMe && env->reply_to && env->reply_to->mailbox)
393 else if (!fromMe && env->from && env->from->mailbox)
395 else if (env->to && env->to->mailbox)
397 else if (env->cc && env->cc->mailbox)
403 mutt_safe_path (tmp, sizeof (tmp), adr);
404 snprintf (path, pathlen, "=%s", tmp);
409 void mutt_select_fcc (char *path, size_t pathlen, HEADER *hdr)
412 char buf[_POSIX_PATH_MAX];
413 ENVELOPE *env = hdr->env;
415 if (mutt_addr_hook (path, pathlen, M_FCCHOOK, NULL, hdr) != 0)
417 if ((option (OPTSAVENAME) || option (OPTFORCENAME)) &&
418 (env->to || env->cc || env->bcc))
420 adr = env->to ? env->to : (env->cc ? env->cc : env->bcc);
421 mutt_safe_path (buf, sizeof (buf), adr);
422 mutt_concat_path (path, NONULL(Maildir), buf, pathlen);
423 if (!option (OPTFORCENAME) && mx_access (path, W_OK) != 0)
424 strfcpy (path, NONULL (Outbox), pathlen);
427 strfcpy (path, NONULL (Outbox), pathlen);
429 mutt_pretty_mailbox (path, pathlen);
432 static char *_mutt_string_hook (const char *match, int hook)
436 for (; tmp; tmp = tmp->next)
438 if ((tmp->type & hook) && ((match &&
439 regexec (tmp->rx.rx, match, 0, NULL, 0) == 0) ^ tmp->rx.not))
440 return (tmp->command);
445 char *mutt_charset_hook (const char *chs)
447 return _mutt_string_hook (chs, M_CHARSETHOOK);
450 char *mutt_iconv_hook (const char *chs)
452 return _mutt_string_hook (chs, M_ICONVHOOK);
455 char *mutt_crypt_hook (ADDRESS *adr)
457 return _mutt_string_hook (adr->mailbox, M_CRYPTHOOK);
461 void mutt_account_hook (const char* url)
463 /* parsing commands with URLs in an account hook can cause a recursive
464 * call. We just skip processing if this occurs. Typically such commands
465 * belong in a folder-hook -- perhaps we should warn the user. */
466 static int inhook = 0;
477 err.dsize = sizeof (buf);
478 memset (&token, 0, sizeof (token));
480 for (hook = Hooks; hook; hook = hook->next)
482 if (! (hook->command && (hook->type & M_ACCOUNTHOOK)))
485 if ((regexec (hook->rx.rx, url, 0, NULL, 0) == 0) ^ hook->rx.not)
489 if (mutt_parse_rc_line (hook->command, &token, &err) == -1)
492 mutt_error ("%s", err.data);