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"
33 int type; /* hook type */
34 REGEXP rx; /* regular expression */
35 char *command; /* filename, command or pattern to execute */
36 pattern_t *pattern; /* used for fcc,save,send-hook */
40 static HOOK *Hooks = NULL;
42 static int current_hook_type = 0;
44 int mutt_parse_hook (BUFFER * buf, BUFFER * s, unsigned long data,
48 BUFFER command, pattern;
51 pattern_t *pat = NULL;
52 char path[_POSIX_PATH_MAX];
54 memset (&pattern, 0, sizeof (pattern));
55 memset (&command, 0, sizeof (command));
57 if (*s->dptr == '!') {
63 mutt_extract_token (&pattern, s, 0);
66 strfcpy (err->data, _("too few arguments"), err->dsize);
70 mutt_extract_token (&command, s,
72 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK |
73 M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
76 strfcpy (err->data, _("too few arguments"), err->dsize);
81 strfcpy (err->data, _("too many arguments"), err->dsize);
85 if (data & (M_FOLDERHOOK | M_MBOXHOOK)) {
86 strfcpy (path, pattern.data, sizeof (path));
87 _mutt_expand_path (path, sizeof (path), 1);
89 memset (&pattern, 0, sizeof (pattern));
90 pattern.data = safe_strdup (path);
93 else if (data & (M_APPENDHOOK | M_OPENHOOK | M_CLOSEHOOK)) {
94 if (mutt_test_compress_command (command.data)) {
95 strfcpy (err->data, _("bad formatted command string"), err->dsize);
100 else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ACCOUNTHOOK))
101 && (!WithCrypto || !(data & M_CRYPTHOOK))
103 char tmp[HUGE_STRING];
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)) {
113 strfcpy (path, command.data, sizeof (path));
114 mutt_expand_path (path, sizeof (path));
115 FREE (&command.data);
116 memset (&command, 0, sizeof (command));
117 command.data = safe_strdup (path);
120 /* check to make sure that a matching hook doesn't already exist */
121 for (ptr = Hooks; ptr; ptr = ptr->next) {
122 if (ptr->type == data &&
123 ptr->rx.not == not && !mutt_strcmp (pattern.data, ptr->rx.pattern)) {
125 (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_MESSAGEHOOK |
126 M_ACCOUNTHOOK | M_REPLYHOOK)) {
127 /* these hooks allow multiple commands with the same
128 * pattern, so if we've already seen this pattern/command pair, just
129 * ignore it instead of creating a duplicate */
130 if (!mutt_strcmp (ptr->command, command.data)) {
131 FREE (&command.data);
132 FREE (&pattern.data);
137 /* other hooks only allow one command per pattern, so update the
138 * entry with the new command. this currently does not change the
139 * order of execution of the hooks, which i think is desirable since
140 * a common action to perform is to change the default (.) entry
141 * based upon some other information. */
142 FREE (&ptr->command);
143 ptr->command = command.data;
144 FREE (&pattern.data);
153 (M_SENDHOOK | M_SEND2HOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK |
156 mutt_pattern_comp (pattern.data,
157 (data & (M_SENDHOOK | M_SEND2HOOK | M_FCCHOOK)) ?
158 0 : M_FULL_MSG, err)) == NULL)
162 rx = safe_malloc (sizeof (regex_t));
165 REGCOMP (rx, NONULL (pattern.data),
166 ((data & (M_CRYPTHOOK | M_CHARSETHOOK)) ? REG_ICASE : 0)))
170 REGCOMP (rx, NONULL (pattern.data),
171 (data & (M_CHARSETHOOK | M_ICONVHOOK)) ? REG_ICASE : 0)) !=
173 #endif /* M_CRYPTHOOK */
175 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);
209 mutt_pattern_free (&h->pattern);
213 /* Deletes all hooks of type ``type'', or all defined hooks if ``type'' is 0 */
214 static void delete_hooks (int type)
219 while (h = Hooks, h && (type == 0 || type == h->type)) {
224 prev = h; /* Unused assignment to avoid compiler warnings */
227 if (type == h->type) {
228 prev->next = h->next;
237 int mutt_parse_unhook (BUFFER * buf, BUFFER * s, unsigned long data,
240 while (MoreArgs (s)) {
241 mutt_extract_token (buf, s, 0);
242 if (mutt_strcmp ("*", buf->data) == 0) {
243 if (current_hook_type) {
244 snprintf (err->data, err->dsize,
245 _("unhook: Can't do unhook * from within a hook."));
251 int type = mutt_get_hook_type (buf->data);
254 snprintf (err->data, err->dsize,
255 _("unhook: unknown hook type: %s"), buf->data);
258 if (current_hook_type == type) {
259 snprintf (err->data, err->dsize,
260 _("unhook: Can't delete a %s from within a %s."), 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) {
285 if (tmp->type & M_FOLDERHOOK) {
286 if ((regexec (tmp->rx.rx, path, 0, NULL, 0) == 0) ^ tmp->rx.not) {
287 if (mutt_parse_rc_line (tmp->command, &token, &err) == -1) {
288 mutt_error ("%s", err.data);
290 mutt_sleep (1); /* pause a moment to let the user see the error */
291 current_hook_type = 0;
299 current_hook_type = 0;
302 char *mutt_find_hook (int type, const char *pat)
306 for (; tmp; tmp = tmp->next)
307 if (tmp->type & type) {
308 if (regexec (tmp->rx.rx, pat, 0, NULL, 0) == 0)
309 return (tmp->command);
314 void mutt_message_hook (CONTEXT * ctx, HEADER * hdr, int type)
320 current_hook_type = type;
323 err.dsize = sizeof (buf);
324 memset (&token, 0, sizeof (token));
325 for (hook = Hooks; hook; hook = hook->next) {
329 if (hook->type & type)
330 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not)
331 if (mutt_parse_rc_line (hook->command, &token, &err) != 0) {
333 mutt_error ("%s", err.data);
335 current_hook_type = 0;
340 current_hook_type = 0;
344 mutt_addr_hook (char *path, size_t pathlen, int type, CONTEXT * ctx,
349 /* determine if a matching hook exists */
350 for (hook = Hooks; hook; hook = hook->next) {
354 if (hook->type & type)
355 if ((mutt_pattern_exec (hook->pattern, 0, ctx, hdr) > 0) ^ hook->rx.not) {
356 mutt_make_string (path, pathlen, hook->command, ctx, hdr);
364 void mutt_default_save (char *path, size_t pathlen, HEADER * hdr)
367 if (mutt_addr_hook (path, pathlen, M_SAVEHOOK, Context, hdr) != 0) {
368 char tmp[_POSIX_PATH_MAX];
370 ENVELOPE *env = hdr->env;
371 int fromMe = mutt_addr_is_user (env->from);
373 if (!fromMe && env->reply_to && env->reply_to->mailbox)
375 else if (!fromMe && env->from && env->from->mailbox)
377 else if (env->to && env->to->mailbox)
379 else if (env->cc && env->cc->mailbox)
384 mutt_safe_path (tmp, sizeof (tmp), adr);
385 snprintf (path, pathlen, "=%s", tmp);
390 void mutt_select_fcc (char *path, size_t pathlen, HEADER * hdr)
393 char buf[_POSIX_PATH_MAX];
394 ENVELOPE *env = hdr->env;
396 if (mutt_addr_hook (path, pathlen, M_FCCHOOK, NULL, hdr) != 0) {
397 if ((option (OPTSAVENAME) || option (OPTFORCENAME)) &&
398 (env->to || env->cc || env->bcc)) {
399 adr = env->to ? env->to : (env->cc ? env->cc : env->bcc);
400 mutt_safe_path (buf, sizeof (buf), adr);
401 mutt_concat_path (path, NONULL (Maildir), buf, pathlen);
402 if (!option (OPTFORCENAME) && mx_access (path, W_OK) != 0)
403 strfcpy (path, NONULL (Outbox), pathlen);
406 strfcpy (path, NONULL (Outbox), pathlen);
408 mutt_pretty_mailbox (path);
411 static char *_mutt_string_hook (const char *match, int hook)
415 for (; tmp; tmp = tmp->next) {
416 if ((tmp->type & hook) && ((match &&
417 regexec (tmp->rx.rx, match, 0, NULL,
418 0) == 0) ^ tmp->rx.not))
419 return (tmp->command);
424 char *mutt_charset_hook (const char *chs)
426 return _mutt_string_hook (chs, M_CHARSETHOOK);
429 char *mutt_iconv_hook (const char *chs)
431 return _mutt_string_hook (chs, M_ICONVHOOK);
434 char *mutt_crypt_hook (ADDRESS * adr)
436 return _mutt_string_hook (adr->mailbox, M_CRYPTHOOK);
440 void mutt_account_hook (const char *url)
448 err.dsize = sizeof (buf);
449 memset (&token, 0, sizeof (token));
451 for (hook = Hooks; hook; hook = hook->next) {
452 if (!(hook->command && (hook->type & M_ACCOUNTHOOK)))
455 if ((regexec (hook->rx.rx, url, 0, NULL, 0) == 0) ^ hook->rx.not) {
456 if (mutt_parse_rc_line (hook->command, &token, &err) == -1) {
458 mutt_error ("%s", err.data);