- struct hook *next;
-} HOOK;
-
-static HOOK *Hooks = NULL;
-
-static int current_hook_type = 0;
-
-int mutt_parse_hook (BUFFER * buf, BUFFER * s, unsigned long data,
- BUFFER * err)
-{
- HOOK *ptr;
- BUFFER command, pattern;
- int rc, not = 0;
- regex_t *rx = NULL;
- pattern_t *pat = NULL;
- char path[_POSIX_PATH_MAX];
-
- memset (&pattern, 0, sizeof (pattern));
- memset (&command, 0, sizeof (command));
-
- if (*s->dptr == '!') {
- s->dptr++;
- SKIPWS (s->dptr);
- not = 1;
- }
-
- mutt_extract_token (&pattern, s, 0);
-
- if (!MoreArgs (s)) {
- strfcpy (err->data, _("too few arguments"), err->dsize);
- goto error;
- }
-
- mutt_extract_token (&command, s,
- (data &
- (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK |
- M_ACCOUNTHOOK | M_REPLYHOOK)) ? M_TOKEN_SPACE : 0);
-
- if (!command.data) {
- strfcpy (err->data, _("too few arguments"), err->dsize);
- goto error;
- }
-
- if (MoreArgs (s)) {
- strfcpy (err->data, _("too many arguments"), err->dsize);
- goto error;
- }
-
- if (data & (M_FOLDERHOOK | M_MBOXHOOK)) {
- strfcpy (path, pattern.data, sizeof (path));
- _mutt_expand_path (path, sizeof (path), 1);
- p_delete(&pattern.data);
- memset (&pattern, 0, sizeof (pattern));
- pattern.data = str_dup (path);
- }
-#ifdef USE_COMPRESSED
- else if (data & (M_APPENDHOOK | M_OPENHOOK | M_CLOSEHOOK)) {
- if (mutt_test_compress_command (command.data)) {
- strfcpy (err->data, _("bad formatted command string"), err->dsize);
- return (-1);
- }
- }
-#endif
- else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ACCOUNTHOOK))
- && (!WithCrypto || !(data & M_CRYPTHOOK))
- ) {
- char tmp[HUGE_STRING];
-
- strfcpy (tmp, pattern.data, sizeof (tmp));
- mutt_check_simple (tmp, sizeof (tmp), DefaultHook);
- p_delete(&pattern.data);
- memset (&pattern, 0, sizeof (pattern));
- pattern.data = str_dup (tmp);
- }
-
- if (data & (M_MBOXHOOK | M_SAVEHOOK | M_FCCHOOK)) {
- strfcpy (path, command.data, sizeof (path));
- mutt_expand_path (path, sizeof (path));
- p_delete(&command.data);
- memset (&command, 0, sizeof (command));
- command.data = str_dup (path);
- }
-
- /* check to make sure that a matching hook doesn't already exist */
- for (ptr = Hooks; ptr; ptr = ptr->next) {
- if (ptr->type == data &&
- ptr->rx.not == not && !str_cmp (pattern.data, ptr->rx.pattern)) {
- if (data &
- (M_FOLDERHOOK | M_SENDHOOK | M_SEND2HOOK | M_MESSAGEHOOK |
- M_ACCOUNTHOOK | M_REPLYHOOK)) {
- /* these hooks allow multiple commands with the same
- * pattern, so if we've already seen this pattern/command pair, just
- * ignore it instead of creating a duplicate */
- if (!str_cmp (ptr->command, command.data)) {
- p_delete(&command.data);
- p_delete(&pattern.data);
- return 0;
- }
- }
- else {
- /* other hooks only allow one command per pattern, so update the
- * entry with the new command. this currently does not change the
- * order of execution of the hooks, which i think is desirable since
- * a common action to perform is to change the default (.) entry
- * based upon some other information. */
- p_delete(&ptr->command);
- ptr->command = command.data;
- p_delete(&pattern.data);
- return 0;
- }
- }
- if (!ptr->next)
- break;
- }
-
- if (data &
- (M_SENDHOOK | M_SEND2HOOK | M_SAVEHOOK | M_FCCHOOK | M_MESSAGEHOOK |
- M_REPLYHOOK)) {
- if ((pat =
- mutt_pattern_comp (pattern.data,
- (data & (M_SENDHOOK | M_SEND2HOOK | M_FCCHOOK)) ?
- 0 : M_FULL_MSG, err)) == NULL)
- goto error;
- }
- else {
- rx = p_new(regex_t, 1);
-#ifdef M_CRYPTHOOK
- if ((rc =
- REGCOMP (rx, NONULL (pattern.data),
- ((data & (M_CRYPTHOOK | M_CHARSETHOOK)) ? REG_ICASE : 0)))
- != 0)
-#else
- if ((rc =
- REGCOMP (rx, NONULL (pattern.data),
- (data & (M_CHARSETHOOK | M_ICONVHOOK)) ? REG_ICASE : 0)) !=
- 0)
-#endif /* M_CRYPTHOOK */
- {
- regerror (rc, rx, err->data, err->dsize);
- regfree (rx);
- p_delete(&rx);
- goto error;
- }
- }
-
- if (ptr) {
- ptr->next = p_new(HOOK, 1);
- ptr = ptr->next;
- }
- else
- Hooks = ptr = p_new(HOOK, 1);
- ptr->type = data;
- ptr->command = command.data;
- ptr->pattern = pat;
- ptr->rx.pattern = pattern.data;
- ptr->rx.rx = rx;
- ptr->rx.not = not;
- return 0;
-
-error:
- p_delete(&pattern.data);
- p_delete(&command.data);
- return (-1);
-}
-
-static void delete_hook (HOOK * h)
-{
- p_delete(&h->command);
- p_delete(&h->rx.pattern);
- if (h->rx.rx) {
- regfree (h->rx.rx);
- }
- mutt_pattern_free (&h->pattern);
- p_delete(&h);
-}
-
-/* Deletes all hooks of type ``type'', or all defined hooks if ``type'' is 0 */
-static void delete_hooks (int type)
-{
- HOOK *h;
- HOOK *prev;
-
- while (h = Hooks, h && (type == 0 || type == h->type)) {
- Hooks = h->next;
- delete_hook (h);
- }
-
- prev = h; /* Unused assignment to avoid compiler warnings */
-
- while (h) {
- if (type == h->type) {
- prev->next = h->next;
- delete_hook (h);
- }
- else
- prev = h;
- h = prev->next;
- }
-}
-
-int mutt_parse_unhook (BUFFER * buf, BUFFER * s, unsigned long data,
- BUFFER * err)
-{
- while (MoreArgs (s)) {
- mutt_extract_token (buf, s, 0);
- if (str_cmp ("*", buf->data) == 0) {
- if (current_hook_type) {
- snprintf (err->data, err->dsize,
- _("unhook: Can't do unhook * from within a hook."));
- return -1;
- }
- delete_hooks (0);
- }
- else {
- int type = mutt_get_hook_type (buf->data);