2 * Copyright notice from original mutt:
3 * Copyright (C) 1996-2002 Michael R. Elkins <me@mutt.org>, and others
5 * This file is part of mutt-ng, see http://www.muttng.org/.
6 * It's licensed under the GNU General Public License,
7 * please see the file GPL in the top level source directory.
16 #include "mutt_crypt.h"
34 int type; /* hook type */
35 rx_t rx; /* regular expression */
36 char *command; /* filename, command or pattern to execute */
37 pattern_t *pattern; /* used for fcc,save,send-hook */
41 static HOOK *Hooks = NULL;
43 static int current_hook_type = 0;
45 int mutt_parse_hook (BUFFER * buf, BUFFER * s, unsigned long data,
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));
58 if (*s->dptr == '!') {
64 mutt_extract_token (&pattern, s, 0);
67 strfcpy (err->data, _("too few arguments"), err->dsize);
71 mutt_extract_token (&command, s,
73 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK |
74 M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
77 strfcpy (err->data, _("too few arguments"), err->dsize);
82 strfcpy (err->data, _("too many arguments"), err->dsize);
86 if (data & (M_FOLDERHOOK | M_MBOXHOOK)) {
87 strfcpy (path, pattern.data, sizeof (path));
88 _mutt_expand_path (path, sizeof (path), 1);
90 memset (&pattern, 0, sizeof (pattern));
91 pattern.data = safe_strdup (path);
94 else if (data & (M_APPENDHOOK | M_OPENHOOK | M_CLOSEHOOK)) {
95 if (mutt_test_compress_command (command.data)) {
96 strfcpy (err->data, _("bad formatted command string"), err->dsize);
101 else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ACCOUNTHOOK))
102 && (!WithCrypto || !(data & M_CRYPTHOOK))
104 char tmp[HUGE_STRING];
106 strfcpy (tmp, pattern.data, sizeof (tmp));
107 mutt_check_simple (tmp, sizeof (tmp), DefaultHook);
108 FREE (&pattern.data);
109 memset (&pattern, 0, sizeof (pattern));
110 pattern.data = safe_strdup (tmp);
113 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) {
123 if (ptr->type == data &&
124 ptr->rx.not == not && !mutt_strcmp (pattern.data, ptr->rx.pattern)) {
126 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_MESSAGEHOOK |
127 M_ACCOUNTHOOK | M_REPLYHOOK)) {
128 /* these hooks allow multiple commands with the same
129 * pattern, so if we've already seen this pattern/command pair, just
130 * ignore it instead of creating a duplicate */
131 if (!mutt_strcmp (ptr->command, command.data)) {
132 FREE (&command.data);
133 FREE (&pattern.data);
138 /* other hooks only allow one command per pattern, so update the
139 * entry with the new command. this currently does not change the
140 * order of execution of the hooks, which i think is desirable since
141 * a common action to perform is to change the default (.) entry
142 * based upon some other information. */
143 FREE (&ptr->command);
144 ptr->command = command.data;
145 FREE (&pattern.data);
154 (M_SENDHOOK | M_SEND2HOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK |
157 mutt_pattern_comp (pattern.data,
158 (data & (M_SENDHOOK | M_SEND2HOOK | M_FCCHOOK)) ?
159 0 : M_FULL_MSG, err)) == NULL)
163 rx = safe_malloc (sizeof (regex_t));
166 REGCOMP (rx, NONULL (pattern.data),
167 ((data & (M_CRYPTHOOK | M_CHARSETHOOK)) ? REG_ICASE : 0)))
171 REGCOMP (rx, NONULL (pattern.data),
172 (data & (M_CHARSETHOOK | M_ICONVHOOK)) ? REG_ICASE : 0)) !=
174 #endif /* M_CRYPTHOOK */
176 regerror (rc, rx, err->data, err->dsize);
184 ptr->next = safe_calloc (1, sizeof (HOOK));
188 Hooks = ptr = safe_calloc (1, sizeof (HOOK));
190 ptr->command = command.data;
192 ptr->rx.pattern = pattern.data;
198 FREE (&pattern.data);
199 FREE (&command.data);
203 static void delete_hook (HOOK * h)
206 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)) {
225 prev = h; /* Unused assignment to avoid compiler warnings */
228 if (type == h->type) {
229 prev->next = h->next;
238 int mutt_parse_unhook (BUFFER * buf, BUFFER * s, unsigned long data,
241 while (MoreArgs (s)) {
242 mutt_extract_token (buf, s, 0);
243 if (mutt_strcmp ("*", buf->data) == 0) {
244 if (current_hook_type) {
245 snprintf (err->data, err->dsize,
246 _("unhook: Can't do unhook * from within a hook."));
252 int type = mutt_get_hook_type (buf->data);
255 snprintf (err->data, err->dsize,
256 _("unhook: unknown hook type: %s"), buf->data);
259 if (current_hook_type == type) {
260 snprintf (err->data, err->dsize,
261 _("unhook: Can't delete a %s from within a %s."), buf->data,
271 void mutt_folder_hook (char *path)
277 current_hook_type = M_FOLDERHOOK;
280 err.dsize = sizeof (buf);
281 memset (&token, 0, sizeof (token));
282 for (; tmp; tmp = tmp->next) {
286 if (tmp->type & M_FOLDERHOOK) {
287 if ((regexec (tmp->rx.rx, path, 0, NULL, 0) == 0) ^ tmp->rx.not) {
288 if (mutt_parse_rc_line (tmp->command, &token, &err) == -1) {
289 mutt_error ("%s", err.data);
291 mutt_sleep (1); /* pause a moment to let the user see the error */
292 current_hook_type = 0;
300 current_hook_type = 0;
303 char *mutt_find_hook (int type, const char *pat)
307 for (; tmp; tmp = tmp->next)
308 if (tmp->type & type) {
309 if (regexec (tmp->rx.rx, pat, 0, NULL, 0) == 0)
310 return (tmp->command);
315 void mutt_message_hook (CONTEXT * ctx, HEADER * hdr, int type)
321 current_hook_type = type;
324 err.dsize = sizeof (buf);
325 memset (&token, 0, sizeof (token));
326 for (hook = Hooks; hook; hook = hook->next) {
330 if (hook->type & type)
331 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
332 if (mutt_parse_rc_line (hook->command, &token, &err) != 0) {
334 mutt_error ("%s", err.data);
336 current_hook_type = 0;
341 current_hook_type = 0;
345 mutt_addr_hook (char *path, size_t pathlen, int type, CONTEXT * ctx,
350 /* determine if a matching hook exists */
351 for (hook = Hooks; hook; hook = hook->next) {
355 if (hook->type & type)
356 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not) {
357 mutt_make_string (path, pathlen, hook->command, ctx, hdr);
365 void mutt_default_save (char *path, size_t pathlen, HEADER * hdr)
368 if (mutt_addr_hook (path, pathlen, M_SAVEHOOK, Context, hdr) != 0) {
369 char tmp[_POSIX_PATH_MAX];
371 ENVELOPE *env = hdr->env;
372 int fromMe = mutt_addr_is_user (env->from);
374 if (!fromMe && env->reply_to && env->reply_to->mailbox)
376 else if (!fromMe && env->from && env->from->mailbox)
378 else if (env->to && env->to->mailbox)
380 else if (env->cc && env->cc->mailbox)
385 mutt_safe_path (tmp, sizeof (tmp), adr);
386 snprintf (path, pathlen, "=%s", tmp);
391 void mutt_select_fcc (char *path, size_t pathlen, HEADER * hdr)
394 char buf[_POSIX_PATH_MAX];
395 ENVELOPE *env = hdr->env;
397 if (mutt_addr_hook (path, pathlen, M_FCCHOOK, NULL, hdr) != 0) {
398 if ((option (OPTSAVENAME) || option (OPTFORCENAME)) &&
399 (env->to || env->cc || env->bcc)) {
400 adr = env->to ? env->to : (env->cc ? env->cc : env->bcc);
401 mutt_safe_path (buf, sizeof (buf), adr);
402 mutt_concat_path (path, NONULL (Maildir), buf, pathlen);
403 if (!option (OPTFORCENAME) && mx_access (path, W_OK) != 0)
404 strfcpy (path, NONULL (Outbox), pathlen);
407 strfcpy (path, NONULL (Outbox), pathlen);
409 mutt_pretty_mailbox (path);
412 static char *_mutt_string_hook (const char *match, int hook)
416 for (; tmp; tmp = tmp->next) {
417 if ((tmp->type & hook) && ((match &&
418 regexec (tmp->rx.rx, match, 0, NULL,
419 0) == 0) ^ tmp->rx.not))
420 return (tmp->command);
425 char *mutt_charset_hook (const char *chs)
427 return _mutt_string_hook (chs, M_CHARSETHOOK);
430 char *mutt_iconv_hook (const char *chs)
432 return _mutt_string_hook (chs, M_ICONVHOOK);
435 char *mutt_crypt_hook (ADDRESS * adr)
437 return _mutt_string_hook (adr->mailbox, M_CRYPTHOOK);
441 void mutt_account_hook (const char *url)
449 err.dsize = sizeof (buf);
450 memset (&token, 0, sizeof (token));
452 for (hook = Hooks; hook; hook = hook->next) {
453 if (!(hook->command && (hook->type & M_ACCOUNTHOOK)))
456 if ((regexec (hook->rx.rx, url, 0, NULL, 0) == 0) ^ hook->rx.not) {
457 if (mutt_parse_rc_line (hook->command, &token, &err) == -1) {
459 mutt_error ("%s", err.data);