2 * Copyright (C) 1996-2002 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
21 #include "mutt_crypt.h"
31 int type; /* hook type */
32 REGEXP rx; /* regular expression */
33 char *command; /* filename, command or pattern to execute */
34 pattern_t *pattern; /* used for fcc,save,send-hook */
38 static HOOK *Hooks = NULL;
40 static int current_hook_type = 0;
42 int mutt_parse_hook (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
45 BUFFER command, pattern;
48 pattern_t *pat = NULL;
49 char path[_POSIX_PATH_MAX];
51 memset (&pattern, 0, sizeof (pattern));
52 memset (&command, 0, sizeof (command));
61 mutt_extract_token (&pattern, s, 0);
65 strfcpy (err->data, _("too few arguments"), err->dsize);
69 mutt_extract_token (&command, s, (data & (M_FOLDERHOOK | M_SENDHOOK | M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
73 strfcpy (err->data, _("too few arguments"), err->dsize);
79 strfcpy (err->data, _("too many arguments"), err->dsize);
83 if (data & (M_FOLDERHOOK | M_MBOXHOOK))
85 strfcpy (path, pattern.data, sizeof (path));
86 _mutt_expand_path (path, sizeof (path), 1);
88 memset (&pattern, 0, sizeof (pattern));
89 pattern.data = safe_strdup (path);
91 else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ACCOUNTHOOK))
92 && (!WithCrypto || !(data & M_CRYPTHOOK))
95 char tmp[HUGE_STRING];
97 strfcpy (tmp, pattern.data, sizeof (tmp));
98 mutt_check_simple (tmp, sizeof (tmp), DefaultHook);
100 memset (&pattern, 0, sizeof (pattern));
101 pattern.data = safe_strdup (tmp);
104 if (data & (M_MBOXHOOK | M_SAVEHOOK | M_FCCHOOK))
106 strfcpy (path, command.data, sizeof (path));
107 mutt_expand_path (path, sizeof (path));
108 FREE (&command.data);
109 memset (&command, 0, sizeof (command));
110 command.data = safe_strdup (path);
113 /* check to make sure that a matching hook doesn't already exist */
114 for (ptr = Hooks; ptr; ptr = ptr->next)
116 if (ptr->type == data &&
117 ptr->rx.not == not &&
118 !mutt_strcmp (pattern.data, ptr->rx.pattern))
120 if (data & (M_FOLDERHOOK | M_SENDHOOK | M_MESSAGEHOOK | M_ACCOUNTHOOK | M_REPLYHOOK))
122 /* these hooks allow multiple commands with the same
123 * pattern, so if we've already seen this pattern/command pair, just
124 * ignore it instead of creating a duplicate */
125 if (!mutt_strcmp (ptr->command, command.data))
127 FREE (&command.data);
128 FREE (&pattern.data);
134 /* other hooks only allow one command per pattern, so update the
135 * entry with the new command. this currently does not change the
136 * order of execution of the hooks, which i think is desirable since
137 * a common action to perform is to change the default (.) entry
138 * based upon some other information. */
139 FREE (&ptr->command);
140 ptr->command = command.data;
141 FREE (&pattern.data);
149 if (data & (M_SENDHOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK | M_REPLYHOOK))
151 if ((pat = mutt_pattern_comp (pattern.data,
152 (data & (M_SENDHOOK | M_FCCHOOK)) ? 0 : M_FULL_MSG,
158 rx = safe_malloc (sizeof (regex_t));
160 if ((rc = REGCOMP (rx, NONULL(pattern.data), ((data & (M_CRYPTHOOK|M_CHARSETHOOK)) ? REG_ICASE : 0))) != 0)
162 if ((rc = REGCOMP (rx, NONULL(pattern.data), (data & (M_CHARSETHOOK|M_ICONVHOOK)) ? REG_ICASE : 0)) != 0)
163 #endif /* M_CRYPTHOOK */
165 regerror (rc, rx, err->data, err->dsize);
174 ptr->next = safe_calloc (1, sizeof (HOOK));
178 Hooks = ptr = safe_calloc (1, sizeof (HOOK));
180 ptr->command = command.data;
182 ptr->rx.pattern = pattern.data;
188 FREE (&pattern.data);
189 FREE (&command.data);
193 static void delete_hook (HOOK *h)
196 FREE (&h->rx.pattern);
201 mutt_pattern_free (&h->pattern);
205 /* Deletes all hooks of type ``type'', or all defined hooks if ``type'' is 0 */
206 static void delete_hooks (int type)
211 while (h = Hooks, h && (type == 0 || type == h->type))
217 prev = h; /* Unused assignment to avoid compiler warnings */
223 prev->next = h->next;
232 int mutt_parse_unhook (BUFFER *buf, BUFFER *s, unsigned long data, BUFFER *err)
236 mutt_extract_token (buf, s, 0);
237 if (mutt_strcmp ("*", buf->data) == 0)
239 if (current_hook_type)
241 snprintf (err->data, err->dsize,
242 _("unhook: Can't do unhook * from within a hook."));
249 int type = mutt_get_hook_type (buf->data);
253 snprintf (err->data, err->dsize,
254 _("unhook: unknown hook type: %s"), buf->data);
257 if (current_hook_type == type)
259 snprintf (err->data, err->dsize,
260 _("unhook: Can't delete a %s from within a %s."),
261 buf->data, buf->data);
270 void mutt_folder_hook (char *path)
276 current_hook_type = M_FOLDERHOOK;
279 err.dsize = sizeof (buf);
280 memset (&token, 0, sizeof (token));
281 for (; tmp; tmp = tmp->next)
286 if (tmp->type & M_FOLDERHOOK)
288 if ((regexec (tmp->rx.rx, path, 0, NULL, 0) == 0) ^ tmp->rx.not)
290 if (mutt_parse_rc_line (tmp->command, &token, &err) == -1)
292 mutt_error ("%s", err.data);
294 mutt_sleep (1); /* pause a moment to let the user see the error */
295 current_hook_type = 0;
303 current_hook_type = 0;
306 char *mutt_find_hook (int type, const char *pat)
310 for (; tmp; tmp = tmp->next)
311 if (tmp->type & type)
313 if (regexec (tmp->rx.rx, pat, 0, NULL, 0) == 0)
314 return (tmp->command);
319 void mutt_message_hook (CONTEXT *ctx, HEADER *hdr, int type)
325 current_hook_type = type;
328 err.dsize = sizeof (buf);
329 memset (&token, 0, sizeof (token));
330 for (hook = Hooks; hook; hook = hook->next)
335 if (hook->type & type)
336 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
337 if (mutt_parse_rc_line (hook->command, &token, &err) != 0)
340 mutt_error ("%s", err.data);
342 current_hook_type = 0;
347 current_hook_type = 0;
351 mutt_addr_hook (char *path, size_t pathlen, int type, CONTEXT *ctx, HEADER *hdr)
355 /* determine if a matching hook exists */
356 for (hook = Hooks; hook; hook = hook->next)
361 if (hook->type & type)
362 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
364 mutt_make_string (path, pathlen, hook->command, ctx, hdr);
372 void mutt_default_save (char *path, size_t pathlen, HEADER *hdr)
375 if (mutt_addr_hook (path, pathlen, M_SAVEHOOK, Context, hdr) != 0)
377 char tmp[_POSIX_PATH_MAX];
379 ENVELOPE *env = hdr->env;
380 int fromMe = mutt_addr_is_user (env->from);
382 if (!fromMe && env->reply_to && env->reply_to->mailbox)
384 else if (!fromMe && env->from && env->from->mailbox)
386 else if (env->to && env->to->mailbox)
388 else if (env->cc && env->cc->mailbox)
394 mutt_safe_path (tmp, sizeof (tmp), adr);
395 snprintf (path, pathlen, "=%s", tmp);
400 void mutt_select_fcc (char *path, size_t pathlen, HEADER *hdr)
403 char buf[_POSIX_PATH_MAX];
404 ENVELOPE *env = hdr->env;
406 if (mutt_addr_hook (path, pathlen, M_FCCHOOK, NULL, hdr) != 0)
408 if ((option (OPTSAVENAME) || option (OPTFORCENAME)) &&
409 (env->to || env->cc || env->bcc))
411 adr = env->to ? env->to : (env->cc ? env->cc : env->bcc);
412 mutt_safe_path (buf, sizeof (buf), adr);
413 mutt_concat_path (path, NONULL(Maildir), buf, pathlen);
414 if (!option (OPTFORCENAME) && mx_access (path, W_OK) != 0)
415 strfcpy (path, NONULL (Outbox), pathlen);
418 strfcpy (path, NONULL (Outbox), pathlen);
420 mutt_pretty_mailbox (path);
423 static char *_mutt_string_hook (const char *match, int hook)
427 for (; tmp; tmp = tmp->next)
429 if ((tmp->type & hook) && ((match &&
430 regexec (tmp->rx.rx, match, 0, NULL, 0) == 0) ^ tmp->rx.not))
431 return (tmp->command);
436 char *mutt_charset_hook (const char *chs)
438 return _mutt_string_hook (chs, M_CHARSETHOOK);
441 char *mutt_iconv_hook (const char *chs)
443 return _mutt_string_hook (chs, M_ICONVHOOK);
446 char *mutt_crypt_hook (ADDRESS *adr)
448 return _mutt_string_hook (adr->mailbox, M_CRYPTHOOK);
452 void mutt_account_hook (const char* url)
460 err.dsize = sizeof (buf);
461 memset (&token, 0, sizeof (token));
463 for (hook = Hooks; hook; hook = hook->next)
465 if (! (hook->command && (hook->type & M_ACCOUNTHOOK)))
468 if ((regexec (hook->rx.rx, url, 0, NULL, 0) == 0) ^ hook->rx.not)
470 if (mutt_parse_rc_line (hook->command, &token, &err) == -1)
473 mutt_error ("%s", err.data);