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.
25 #include "mutt_crypt.h"
38 int type; /* hook type */
39 REGEXP rx; /* regular expression */
40 char *command; /* filename, command or pattern to execute */
41 pattern_t *pattern; /* used for fcc,save,send-hook */
45 static HOOK *Hooks = NULL;
47 static int current_hook_type = 0;
49 int mutt_parse_hook (BUFFER * buf, BUFFER * s, unsigned long data,
53 BUFFER command, pattern;
56 pattern_t *pat = NULL;
57 char path[_POSIX_PATH_MAX];
59 memset (&pattern, 0, sizeof (pattern));
60 memset (&command, 0, sizeof (command));
62 if (*s->dptr == '!') {
68 mutt_extract_token (&pattern, s, 0);
71 strfcpy (err->data, _("too few arguments"), err->dsize);
75 mutt_extract_token (&command, s,
77 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK |
78 M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
81 strfcpy (err->data, _("too few arguments"), err->dsize);
86 strfcpy (err->data, _("too many arguments"), err->dsize);
90 if (data & (M_FOLDERHOOK | M_MBOXHOOK)) {
91 strfcpy (path, pattern.data, sizeof (path));
92 _mutt_expand_path (path, sizeof (path), 1);
94 memset (&pattern, 0, sizeof (pattern));
95 pattern.data = safe_strdup (path);
98 else if (data & (M_APPENDHOOK | M_OPENHOOK | M_CLOSEHOOK)) {
99 if (mutt_test_compress_command (command.data)) {
100 strfcpy (err->data, _("bad formatted command string"), err->dsize);
105 else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ACCOUNTHOOK))
106 && (!WithCrypto || !(data & M_CRYPTHOOK))
108 char tmp[HUGE_STRING];
110 strfcpy (tmp, pattern.data, sizeof (tmp));
111 mutt_check_simple (tmp, sizeof (tmp), DefaultHook);
112 FREE (&pattern.data);
113 memset (&pattern, 0, sizeof (pattern));
114 pattern.data = safe_strdup (tmp);
117 if (data & (M_MBOXHOOK | M_SAVEHOOK | M_FCCHOOK)) {
118 strfcpy (path, command.data, sizeof (path));
119 mutt_expand_path (path, sizeof (path));
120 FREE (&command.data);
121 memset (&command, 0, sizeof (command));
122 command.data = safe_strdup (path);
125 /* check to make sure that a matching hook doesn't already exist */
126 for (ptr = Hooks; ptr; ptr = ptr->next) {
127 if (ptr->type == data &&
128 ptr->rx.not == not && !mutt_strcmp (pattern.data, ptr->rx.pattern)) {
130 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_MESSAGEHOOK |
131 M_ACCOUNTHOOK | M_REPLYHOOK)) {
132 /* these hooks allow multiple commands with the same
133 * pattern, so if we've already seen this pattern/command pair, just
134 * ignore it instead of creating a duplicate */
135 if (!mutt_strcmp (ptr->command, command.data)) {
136 FREE (&command.data);
137 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);
158 (M_SENDHOOK | M_SEND2HOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK |
161 mutt_pattern_comp (pattern.data,
162 (data & (M_SENDHOOK | M_SEND2HOOK | M_FCCHOOK)) ?
163 0 : M_FULL_MSG, err)) == NULL)
167 rx = safe_malloc (sizeof (regex_t));
170 REGCOMP (rx, NONULL (pattern.data),
171 ((data & (M_CRYPTHOOK | M_CHARSETHOOK)) ? REG_ICASE : 0)))
175 REGCOMP (rx, NONULL (pattern.data),
176 (data & (M_CHARSETHOOK | M_ICONVHOOK)) ? REG_ICASE : 0)) !=
178 #endif /* M_CRYPTHOOK */
180 regerror (rc, rx, err->data, err->dsize);
188 ptr->next = safe_calloc (1, sizeof (HOOK));
192 Hooks = ptr = safe_calloc (1, sizeof (HOOK));
194 ptr->command = command.data;
196 ptr->rx.pattern = pattern.data;
202 FREE (&pattern.data);
203 FREE (&command.data);
207 static void delete_hook (HOOK * h)
210 FREE (&h->rx.pattern);
214 mutt_pattern_free (&h->pattern);
218 /* Deletes all hooks of type ``type'', or all defined hooks if ``type'' is 0 */
219 static void delete_hooks (int type)
224 while (h = Hooks, h && (type == 0 || type == h->type)) {
229 prev = h; /* Unused assignment to avoid compiler warnings */
232 if (type == h->type) {
233 prev->next = h->next;
242 int mutt_parse_unhook (BUFFER * buf, BUFFER * s, unsigned long data,
245 while (MoreArgs (s)) {
246 mutt_extract_token (buf, s, 0);
247 if (mutt_strcmp ("*", buf->data) == 0) {
248 if (current_hook_type) {
249 snprintf (err->data, err->dsize,
250 _("unhook: Can't do unhook * from within a hook."));
256 int type = mutt_get_hook_type (buf->data);
259 snprintf (err->data, err->dsize,
260 _("unhook: unknown hook type: %s"), buf->data);
263 if (current_hook_type == type) {
264 snprintf (err->data, err->dsize,
265 _("unhook: Can't delete a %s from within a %s."), buf->data,
275 void mutt_folder_hook (char *path)
281 current_hook_type = M_FOLDERHOOK;
284 err.dsize = sizeof (buf);
285 memset (&token, 0, sizeof (token));
286 for (; tmp; tmp = tmp->next) {
290 if (tmp->type & M_FOLDERHOOK) {
291 if ((regexec (tmp->rx.rx, path, 0, NULL, 0) == 0) ^ tmp->rx.not) {
292 if (mutt_parse_rc_line (tmp->command, &token, &err) == -1) {
293 mutt_error ("%s", err.data);
295 mutt_sleep (1); /* pause a moment to let the user see the error */
296 current_hook_type = 0;
304 current_hook_type = 0;
307 char *mutt_find_hook (int type, const char *pat)
311 for (; tmp; tmp = tmp->next)
312 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) {
334 if (hook->type & type)
335 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
336 if (mutt_parse_rc_line (hook->command, &token, &err) != 0) {
338 mutt_error ("%s", err.data);
340 current_hook_type = 0;
345 current_hook_type = 0;
349 mutt_addr_hook (char *path, size_t pathlen, int type, CONTEXT * ctx,
354 /* determine if a matching hook exists */
355 for (hook = Hooks; hook; hook = hook->next) {
359 if (hook->type & type)
360 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not) {
361 mutt_make_string (path, pathlen, hook->command, ctx, hdr);
369 void mutt_default_save (char *path, size_t pathlen, HEADER * hdr)
372 if (mutt_addr_hook (path, pathlen, M_SAVEHOOK, Context, hdr) != 0) {
373 char tmp[_POSIX_PATH_MAX];
375 ENVELOPE *env = hdr->env;
376 int fromMe = mutt_addr_is_user (env->from);
378 if (!fromMe && env->reply_to && env->reply_to->mailbox)
380 else if (!fromMe && env->from && env->from->mailbox)
382 else if (env->to && env->to->mailbox)
384 else if (env->cc && env->cc->mailbox)
389 mutt_safe_path (tmp, sizeof (tmp), adr);
390 snprintf (path, pathlen, "=%s", tmp);
395 void mutt_select_fcc (char *path, size_t pathlen, HEADER * hdr)
398 char buf[_POSIX_PATH_MAX];
399 ENVELOPE *env = hdr->env;
401 if (mutt_addr_hook (path, pathlen, M_FCCHOOK, NULL, hdr) != 0) {
402 if ((option (OPTSAVENAME) || option (OPTFORCENAME)) &&
403 (env->to || env->cc || env->bcc)) {
404 adr = env->to ? env->to : (env->cc ? env->cc : env->bcc);
405 mutt_safe_path (buf, sizeof (buf), adr);
406 mutt_concat_path (path, NONULL (Maildir), buf, pathlen);
407 if (!option (OPTFORCENAME) && mx_access (path, W_OK) != 0)
408 strfcpy (path, NONULL (Outbox), pathlen);
411 strfcpy (path, NONULL (Outbox), pathlen);
413 mutt_pretty_mailbox (path);
416 static char *_mutt_string_hook (const char *match, int hook)
420 for (; tmp; tmp = tmp->next) {
421 if ((tmp->type & hook) && ((match &&
422 regexec (tmp->rx.rx, match, 0, NULL,
423 0) == 0) ^ tmp->rx.not))
424 return (tmp->command);
429 char *mutt_charset_hook (const char *chs)
431 return _mutt_string_hook (chs, M_CHARSETHOOK);
434 char *mutt_iconv_hook (const char *chs)
436 return _mutt_string_hook (chs, M_ICONVHOOK);
439 char *mutt_crypt_hook (ADDRESS * adr)
441 return _mutt_string_hook (adr->mailbox, M_CRYPTHOOK);
445 void mutt_account_hook (const char *url)
453 err.dsize = sizeof (buf);
454 memset (&token, 0, sizeof (token));
456 for (hook = Hooks; hook; hook = hook->next) {
457 if (!(hook->command && (hook->type & M_ACCOUNTHOOK)))
460 if ((regexec (hook->rx.rx, url, 0, NULL, 0) == 0) ^ hook->rx.not) {
461 if (mutt_parse_rc_line (hook->command, &token, &err) == -1) {
463 mutt_error ("%s", err.data);