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Forgot to adjust default window size
[claws.git] / src / matcher.c
blob83047c06e8aec138673d1c26e978b890474b9f64
1 /*
2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2002-2014 by the Claws Mail Team and Hiroyuki Yamamoto
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include <glib.h>
26 #include <glib/gi18n.h>
27 #include <ctype.h>
28 #include <string.h>
29 #include <stdlib.h>
30 #include <errno.h>
31
32 #ifdef USE_PTHREAD
33 #include <pthread.h>
34 #endif
35
36 #include "defs.h"
37 #include "utils.h"
38 #include "procheader.h"
39 #include "matcher.h"
40 #include "matcher_parser.h"
41 #include "prefs_gtk.h"
42 #include "addr_compl.h"
43 #include "codeconv.h"
44 #include "quoted-printable.h"
45 #include "claws.h"
46 #include <ctype.h>
47 #include "prefs_common.h"
48 #include "log.h"
49 #include "tags.h"
50 #include "folder_item_prefs.h"
51 #include "procmsg.h"
52
53 /*!
54 *\brief Keyword lookup element
55 */
56 struct _MatchParser {
57 gint id; /*!< keyword id */
58 gchar *str; /*!< keyword */
59 };
60 typedef struct _MatchParser MatchParser;
61
62 /*!
63 *\brief Table with strings and ids used by the lexer and
64 * the parser. New keywords can be added here.
65 */
66 static const MatchParser matchparser_tab[] = {
67 /* msginfo flags */
68 {MATCHCRITERIA_ALL, "all"},
69 {MATCHCRITERIA_UNREAD, "unread"},
70 {MATCHCRITERIA_NOT_UNREAD, "~unread"},
71 {MATCHCRITERIA_NEW, "new"},
72 {MATCHCRITERIA_NOT_NEW, "~new"},
73 {MATCHCRITERIA_MARKED, "marked"},
74 {MATCHCRITERIA_NOT_MARKED, "~marked"},
75 {MATCHCRITERIA_DELETED, "deleted"},
76 {MATCHCRITERIA_NOT_DELETED, "~deleted"},
77 {MATCHCRITERIA_REPLIED, "replied"},
78 {MATCHCRITERIA_NOT_REPLIED, "~replied"},
79 {MATCHCRITERIA_FORWARDED, "forwarded"},
80 {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
81 {MATCHCRITERIA_LOCKED, "locked"},
82 {MATCHCRITERIA_NOT_LOCKED, "~locked"},
83 {MATCHCRITERIA_COLORLABEL, "colorlabel"},
84 {MATCHCRITERIA_NOT_COLORLABEL, "~colorlabel"},
85 {MATCHCRITERIA_IGNORE_THREAD, "ignore_thread"},
86 {MATCHCRITERIA_NOT_IGNORE_THREAD, "~ignore_thread"},
87 {MATCHCRITERIA_WATCH_THREAD, "watch_thread"},
88 {MATCHCRITERIA_NOT_WATCH_THREAD, "~watch_thread"},
89 {MATCHCRITERIA_SPAM, "spam"},
90 {MATCHCRITERIA_NOT_SPAM, "~spam"},
91 {MATCHCRITERIA_HAS_ATTACHMENT, "has_attachment"},
92 {MATCHCRITERIA_HAS_NO_ATTACHMENT, "~has_attachment"},
93 {MATCHCRITERIA_SIGNED, "signed"},
94 {MATCHCRITERIA_NOT_SIGNED, "~signed"},
95
96 /* msginfo headers */
97 {MATCHCRITERIA_SUBJECT, "subject"},
98 {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
99 {MATCHCRITERIA_FROM, "from"},
100 {MATCHCRITERIA_NOT_FROM, "~from"},
101 {MATCHCRITERIA_TO, "to"},
102 {MATCHCRITERIA_NOT_TO, "~to"},
103 {MATCHCRITERIA_CC, "cc"},
104 {MATCHCRITERIA_NOT_CC, "~cc"},
105 {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
106 {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
107 {MATCHCRITERIA_TAG, "tag"},
108 {MATCHCRITERIA_NOT_TAG, "~tag"},
109 {MATCHCRITERIA_TAGGED, "tagged"},
110 {MATCHCRITERIA_NOT_TAGGED, "~tagged"},
111 {MATCHCRITERIA_AGE_GREATER, "age_greater"},
112 {MATCHCRITERIA_AGE_LOWER, "age_lower"},
113 {MATCHCRITERIA_AGE_GREATER_HOURS, "age_greater_hours"},
114 {MATCHCRITERIA_AGE_LOWER_HOURS, "age_lower_hours"},
115 {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
116 {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
117 {MATCHCRITERIA_MESSAGEID, "messageid"},
118 {MATCHCRITERIA_NOT_MESSAGEID, "~messageid"},
119 {MATCHCRITERIA_INREPLYTO, "inreplyto"},
120 {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
121 {MATCHCRITERIA_REFERENCES, "references"},
122 {MATCHCRITERIA_NOT_REFERENCES, "~references"},
123 {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
124 {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
125 {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
126 {MATCHCRITERIA_PARTIAL, "partial"},
127 {MATCHCRITERIA_NOT_PARTIAL, "~partial"},
128 {MATCHCRITERIA_FOUND_IN_ADDRESSBOOK, "found_in_addressbook"},
129 {MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK, "~found_in_addressbook"},
130
131 {MATCHCRITERIA_SIZE_GREATER, "size_greater"},
132 {MATCHCRITERIA_SIZE_SMALLER, "size_smaller"},
133 {MATCHCRITERIA_SIZE_EQUAL, "size_equal"},
134
135 /* content have to be read */
136 {MATCHCRITERIA_HEADER, "header"},
137 {MATCHCRITERIA_NOT_HEADER, "~header"},
138 {MATCHCRITERIA_HEADERS_PART, "headers_part"},
139 {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
140 {MATCHCRITERIA_HEADERS_CONT, "headers_cont"},
141 {MATCHCRITERIA_NOT_HEADERS_CONT, "~headers_cont"},
142 {MATCHCRITERIA_MESSAGE, "message"},
143 {MATCHCRITERIA_NOT_MESSAGE, "~message"},
144 {MATCHCRITERIA_BODY_PART, "body_part"},
145 {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
146 {MATCHCRITERIA_TEST, "test"},
147 {MATCHCRITERIA_NOT_TEST, "~test"},
148
149 /* match type */
150 {MATCHTYPE_MATCHCASE, "matchcase"},
151 {MATCHTYPE_MATCH, "match"},
152 {MATCHTYPE_REGEXPCASE, "regexpcase"},
153 {MATCHTYPE_REGEXP, "regexp"},
154
155 /* actions */
156 {MATCHACTION_SCORE, "score"}, /* for backward compatibility */
157 {MATCHACTION_MOVE, "move"},
158 {MATCHACTION_COPY, "copy"},
159 {MATCHACTION_DELETE, "delete"},
160 {MATCHACTION_MARK, "mark"},
161 {MATCHACTION_UNMARK, "unmark"},
162 {MATCHACTION_LOCK, "lock"},
163 {MATCHACTION_UNLOCK, "unlock"},
164 {MATCHACTION_MARK_AS_READ, "mark_as_read"},
165 {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
166 {MATCHACTION_MARK_AS_SPAM, "mark_as_spam"},
167 {MATCHACTION_MARK_AS_HAM, "mark_as_ham"},
168 {MATCHACTION_FORWARD, "forward"},
169 {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
170 {MATCHACTION_EXECUTE, "execute"},
171 {MATCHACTION_COLOR, "color"},
172 {MATCHACTION_REDIRECT, "redirect"},
173 {MATCHACTION_CHANGE_SCORE, "change_score"},
174 {MATCHACTION_SET_SCORE, "set_score"},
175 {MATCHACTION_STOP, "stop"},
176 {MATCHACTION_HIDE, "hide"},
177 {MATCHACTION_IGNORE, "ignore"},
178 {MATCHACTION_WATCH, "watch"},
179 {MATCHACTION_ADD_TO_ADDRESSBOOK, "add_to_addressbook"},
180 {MATCHACTION_SET_TAG, "set_tag"},
181 {MATCHACTION_UNSET_TAG, "unset_tag"},
182 {MATCHACTION_CLEAR_TAGS, "clear_tags"},
183 };
184
185 enum {
186 MATCH_ANY = 0,
187 MATCH_ALL = 1,
188 MATCH_ONE = 2
189 };
190
191 enum {
192 CONTEXT_SUBJECT,
193 CONTEXT_FROM,
194 CONTEXT_TO,
195 CONTEXT_CC,
196 CONTEXT_NEWSGROUPS,
197 CONTEXT_MESSAGEID,
198 CONTEXT_IN_REPLY_TO,
199 CONTEXT_REFERENCES,
200 CONTEXT_HEADER,
201 CONTEXT_HEADER_LINE,
202 CONTEXT_BODY_LINE,
203 CONTEXT_TAG,
204 N_CONTEXT_STRS
205 };
206
207 static gchar *context_str[N_CONTEXT_STRS];
208
209 void matcher_init(void)
210 {
211 if (context_str[CONTEXT_SUBJECT] != NULL)
212 return;
213
214 context_str[CONTEXT_SUBJECT] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Subject:"));
215 context_str[CONTEXT_FROM] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("From:"));
216 context_str[CONTEXT_TO] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
217 context_str[CONTEXT_CC] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
218 context_str[CONTEXT_NEWSGROUPS] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Newsgroups:"));
219 context_str[CONTEXT_MESSAGEID] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Message-ID:"));
220 context_str[CONTEXT_IN_REPLY_TO] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("In-Reply-To:"));
221 context_str[CONTEXT_REFERENCES] = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("References:"));
222 context_str[CONTEXT_HEADER] = g_strdup(_("header"));
223 context_str[CONTEXT_HEADER_LINE] = g_strdup(_("header line"));
224 context_str[CONTEXT_BODY_LINE] = g_strdup(_("body line"));
225 context_str[CONTEXT_TAG] = g_strdup(_("tag"));
226 }
227
228 void matcher_done(void)
229 {
230 int i;
231 for (i = 0; i < N_CONTEXT_STRS; i++) {
232 g_free(context_str[i]);
233 context_str[i] = NULL;
234 }
235 }
236
237 extern gboolean debug_filtering_session;
238
239 /*!
240 *\brief Look up table with keywords defined in \sa matchparser_tab
241 */
242 static GHashTable *matchparser_hashtab;
243
244 /*!
245 *\brief Translate keyword id to keyword string
246 *
247 *\param id Id of keyword
248 *
249 *\return const gchar * Keyword
250 */
251 const gchar *get_matchparser_tab_str(gint id)
252 {
253 gint i;
254
255 for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
256 if (matchparser_tab[i].id == id)
257 return matchparser_tab[i].str;
258 }
259 return NULL;
260 }
261
262 /*!
263 *\brief Create keyword lookup table
264 */
265 static void create_matchparser_hashtab(void)
266 {
267 int i;
268
269 if (matchparser_hashtab) return;
270 matchparser_hashtab = g_hash_table_new(g_str_hash, g_str_equal);
271 for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++)
272 g_hash_table_insert(matchparser_hashtab,
273 matchparser_tab[i].str,
274 (gpointer) &matchparser_tab[i]);
275 }
276
277 /*!
278 *\brief Return a keyword id from a keyword string
279 *
280 *\param str Keyword string
281 *
282 *\return gint Keyword id
283 */
284 gint get_matchparser_tab_id(const gchar *str)
285 {
286 MatchParser *res;
287
288 if (NULL != (res = g_hash_table_lookup(matchparser_hashtab, str))) {
289 return res->id;
290 } else
291 return -1;
292 }
293
294 /* **************** data structure allocation **************** */
295
296 /*!
297 *\brief Allocate a structure for a filtering / scoring
298 * "condition" (a matcher structure)
299 *
300 *\param criteria Criteria ID (MATCHCRITERIA_XXXX)
301 *\param header Header string (if criteria is MATCHCRITERIA_HEADER
302 or MATCHCRITERIA_FOUND_IN_ADDRESSBOOK)
303 *\param matchtype Type of action (MATCHTYPE_XXX)
304 *\param expr String value or expression to check
305 *\param value Integer value to check
306 *
307 *\return MatcherProp * Pointer to newly allocated structure
308 */
309 MatcherProp *matcherprop_new(gint criteria, const gchar *header,
310 gint matchtype, const gchar *expr,
311 int value)
312 {
313 MatcherProp *prop;
314
315 prop = g_new0(MatcherProp, 1);
316 prop->criteria = criteria;
317 prop->header = header != NULL ? g_strdup(header) : NULL;
318
319 prop->expr = expr != NULL ? g_strdup(expr) : NULL;
320
321 prop->matchtype = matchtype;
322 #ifndef G_OS_WIN32
323 prop->preg = NULL;
324 #endif
325 prop->value = value;
326 prop->error = 0;
327
328 return prop;
329 }
330
331 /*!
332 *\brief Free a matcher structure
333 *
334 *\param prop Pointer to matcher structure allocated with
335 * #matcherprop_new
336 */
337 void matcherprop_free(MatcherProp *prop)
338 {
339 g_free(prop->expr);
340 g_free(prop->header);
341 #ifndef G_OS_WIN32
342 if (prop->preg != NULL) {
343 regfree(prop->preg);
344 g_free(prop->preg);
345 }
346 #endif
347 g_free(prop);
348 }
349
350 /*!
351 *\brief Copy a matcher structure
352 *
353 *\param src Matcher structure to copy
354 *
355 *\return MatcherProp * Pointer to newly allocated matcher structure
356 */
357 MatcherProp *matcherprop_copy(const MatcherProp *src)
358 {
359 MatcherProp *prop = g_new0(MatcherProp, 1);
360
361 prop->criteria = src->criteria;
362 prop->header = src->header ? g_strdup(src->header) : NULL;
363 prop->expr = src->expr ? g_strdup(src->expr) : NULL;
364 prop->matchtype = src->matchtype;
365
366 #ifndef G_OS_WIN32
367 prop->preg = NULL; /* will be re-evaluated */
368 #endif
369 prop->value = src->value;
370 prop->error = src->error;
371 return prop;
372 }
373
374 /* ************** match ******************************/
375
376 static gboolean match_with_addresses_in_addressbook
377 (MatcherProp *prop, GSList *address_list, gint type,
378 gchar* folderpath, gint match)
379 {
380 GSList *walk = NULL;
381 gboolean found = FALSE;
382 gchar *path = NULL;
383
384 cm_return_val_if_fail(address_list != NULL, FALSE);
385
386 debug_print("match_with_addresses_in_addressbook(%d, %s)\n",
387 g_slist_length(address_list), folderpath?folderpath:"(null)");
388
389 if (folderpath == NULL ||
390 strcasecmp(folderpath, "Any") == 0 ||
391 *folderpath == '\0')
392 path = NULL;
393 else
394 path = folderpath;
395
396 start_address_completion(path);
397
398 for (walk = address_list; walk != NULL; walk = walk->next) {
399 /* exact matching of email address */
400 guint num_addr = complete_address(walk->data);
401 found = FALSE;
402 if (num_addr > 1) {
403 /* skip first item (this is the search string itself) */
404 int i = 1;
405 for (; i < num_addr && !found; i++) {
406 gchar *addr = get_complete_address(i);
407 extract_address(addr);
408 if (strcasecmp(addr, walk->data) == 0) {
409 found = TRUE;
410
411 /* debug output */
412 if (debug_filtering_session
413 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
414 log_print(LOG_DEBUG_FILTERING,
415 "address [ %s ] matches\n",
416 (gchar *)walk->data);
417 }
418 }
419 g_free(addr);
420 }
421 }
422 /* debug output */
423 if (debug_filtering_session
424 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH
425 && !found) {
426 log_print(LOG_DEBUG_FILTERING,
427 "address [ %s ] does NOT match\n",
428 (gchar *)walk->data);
429 }
430 g_free(walk->data);
431
432 if (match == MATCH_ALL) {
433 /* if matching all addresses, stop if one doesn't match */
434 if (!found) {
435 /* debug output */
436 if (debug_filtering_session
437 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
438 log_print(LOG_DEBUG_FILTERING,
439 "not all address match (matching all)\n");
440 }
441 break;
442 }
443 } else if (match == MATCH_ANY) {
444 /* if matching any address, stop if one does match */
445 if (found) {
446 /* debug output */
447 if (debug_filtering_session
448 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
449 log_print(LOG_DEBUG_FILTERING,
450 "at least one address matches (matching any)\n");
451 }
452 break;
453 }
454 }
455 /* MATCH_ONE: there should be only one loop iteration */
456 }
457
458 end_address_completion();
459
460 return found;
461 }
462
463 /*!
464 *\brief Find out if a string matches a condition
465 *
466 *\param prop Matcher structure
467 *\param str String to check
468 *
469 *\return gboolean TRUE if str matches the condition in the
470 * matcher structure
471 */
472 static gboolean matcherprop_string_match(MatcherProp *prop, const gchar *str,
473 const gchar *debug_context)
474 {
475 gchar *str1;
476 gchar *down_expr;
477 gboolean ret = FALSE;
478 gboolean should_free = FALSE;
479 if (str == NULL)
480 return FALSE;
481
482 if (prop->matchtype == MATCHTYPE_REGEXPCASE ||
483 prop->matchtype == MATCHTYPE_MATCHCASE) {
484 str1 = g_utf8_casefold(str, -1);
485 down_expr = g_utf8_casefold(prop->expr, -1);
486 should_free = TRUE;
487 } else {
488 str1 = (gchar *)str;
489 down_expr = (gchar *)prop->expr;
490 should_free = FALSE;
491 }
492
493 switch (prop->matchtype) {
494 case MATCHTYPE_REGEXPCASE:
495 case MATCHTYPE_REGEXP:
496 if (!prop->preg && (prop->error == 0)) {
497 prop->preg = g_new0(regex_t, 1);
498 /* if regexp then don't use the escaped string */
499 if (regcomp(prop->preg, down_expr,
500 REG_NOSUB | REG_EXTENDED
501 | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
502 ? REG_ICASE : 0)) != 0) {
503 prop->error = 1;
504 g_free(prop->preg);
505 prop->preg = NULL;
506 }
507 }
508 if (prop->preg == NULL) {
509 ret = FALSE;
510 goto free_strs;
511 }
512
513 if (regexec(prop->preg, str1, 0, NULL, 0) == 0)
514 ret = TRUE;
515 else
516 ret = FALSE;
517
518 /* debug output */
519 if (debug_filtering_session
520 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
521 gchar *stripped = g_strdup(str);
522
523 strretchomp(stripped);
524 if (ret) {
525 log_print(LOG_DEBUG_FILTERING,
526 "%s value [ %s ] matches regular expression [ %s ] (%s)\n",
527 debug_context, stripped, prop->expr,
528 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
529 } else {
530 log_print(LOG_DEBUG_FILTERING,
531 "%s value [ %s ] does NOT match regular expression [ %s ] (%s)\n",
532 debug_context, stripped, prop->expr,
533 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
534 }
535 g_free(stripped);
536 }
537 break;
538 case MATCHTYPE_MATCHCASE:
539 case MATCHTYPE_MATCH:
540 ret = (strstr(str1, down_expr) != NULL);
541
542 /* debug output */
543 if (debug_filtering_session
544 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
545 gchar *stripped = g_strdup(str);
546
547 strretchomp(stripped);
548 if (ret) {
549 log_print(LOG_DEBUG_FILTERING,
550 "%s value [ %s ] contains [ %s ] (%s)\n",
551 debug_context, stripped, prop->expr,
552 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
553 } else {
554 log_print(LOG_DEBUG_FILTERING,
555 "%s value [ %s ] does NOT contain [ %s ] (%s)\n",
556 debug_context, stripped, prop->expr,
557 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
558 }
559 g_free(stripped);
560 }
561 break;
562
563 default:
564 break;
565 }
566
567 free_strs:
568 if (should_free) {
569 g_free(str1);
570 g_free(down_expr);
571 }
572 return ret;
573 }
574
575 /*!
576 *\brief Find out if a tag matches a condition
577 *
578 *\param prop Matcher structure
579 *\param msginfo message to check
580 *
581 *\return gboolean TRUE if msginfo matches the condition in the
582 * matcher structure
583 */
584 static gboolean matcherprop_tag_match(MatcherProp *prop, MsgInfo *msginfo,
585 const gchar *debug_context)
586 {
587 gboolean ret = FALSE;
588 GSList *cur;
589
590 if (msginfo == NULL || msginfo->tags == NULL)
591 return FALSE;
592
593 for (cur = msginfo->tags; cur; cur = cur->next) {
594 const gchar *str = tags_get_tag(GPOINTER_TO_INT(cur->data));
595 if (!str)
596 continue;
597 if (matcherprop_string_match(prop, str, debug_context)) {
598 ret = TRUE;
599 break;
600 }
601 }
602 return ret;
603 }
604
605 /*!
606 *\brief Find out if the string-ed list matches a condition
607 *
608 *\param prop Matcher structure
609 *\param list GSList of strings to check
610 *
611 *\return gboolean TRUE if str matches the condition in the
612 * matcher structure
613 */
614 static gboolean matcherprop_list_match(MatcherProp *prop, const GSList *list,
615 const gchar *debug_context)
616 {
617 const GSList *cur;
618
619 for(cur = list; cur != NULL; cur = cur->next) {
620 if (matcherprop_string_match(prop, (gchar *)cur->data, debug_context))
621 return TRUE;
622 }
623 return FALSE;
624 }
625
626 static gboolean matcherprop_header_line_match(MatcherProp *prop, const gchar *hdr,
627 const gchar *str, const gboolean both,
628 const gchar *debug_context)
629 {
630 gboolean res = FALSE;
631
632 if (hdr == NULL || str == NULL)
633 return FALSE;
634
635 if (both) {
636 /* Search in all header names and content.
637 */
638 gchar *line = g_strdup_printf("%s %s", hdr, str);
639 res = matcherprop_string_match(prop, line, debug_context);
640 g_free(line);
641 } else {
642 /* Search only in content and exclude private headers.
643 * E.g.: searching for "H foo" in folder x/foo would return
644 * *all* mail as SCF and RMID will match.
645 * Searching for "H sent" would return all resent messages
646 * as "Resent-From: whatever" will match.
647 */
648 if (procheader_header_is_internal(hdr))
649 return FALSE;
650 res = matcherprop_string_match(prop, str, debug_context);
651 }
652
653 return res;
654 }
655
656 #ifdef USE_PTHREAD
657 typedef struct _thread_data {
658 const gchar *cmd;
659 gboolean done;
660 } thread_data;
661 #endif
662
663 #ifdef USE_PTHREAD
664 static void *matcher_test_thread(void *data)
665 {
666 thread_data *td = (thread_data *)data;
667 int result = -1;
668
669 pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
670 pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
671
672 result = system(td->cmd);
673 td->done = TRUE; /* let the caller thread join() */
674 return GINT_TO_POINTER(result);
675 }
676 #endif
677
678 /*!
679 *\brief Execute a command defined in the matcher structure
680 *
681 *\param prop Pointer to matcher structure
682 *\param info Pointer to message info structure
683 *
684 *\return gboolean TRUE if command was executed succesfully
685 */
686 static gboolean matcherprop_match_test(const MatcherProp *prop,
687 MsgInfo *info)
688 {
689 gchar *file;
690 gchar *cmd;
691 gint retval;
692 #ifdef USE_PTHREAD
693 pthread_t pt;
694 pthread_attr_t pta;
695 thread_data *td = g_new0(thread_data, 1);
696 void *res = NULL;
697 time_t start_time = time(NULL);
698 #endif
699
700 file = procmsg_get_message_file(info);
701 if (file == NULL) {
702 #ifdef USE_PTHREAD
703 g_free(td);
704 #endif
705 return FALSE;
706 }
707 g_free(file);
708
709 cmd = matching_build_command(prop->expr, info);
710 if (cmd == NULL) {
711 #ifdef USE_PTHREAD
712 g_free(td);
713 #endif
714 return FALSE;
715 }
716
717 #ifdef USE_PTHREAD
718 /* debug output */
719 if (debug_filtering_session
720 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
721 log_print(LOG_DEBUG_FILTERING,
722 "starting threaded command [ %s ]\n",
723 cmd);
724 }
725
726 td->cmd = cmd;
727 td->done = FALSE;
728 if (pthread_attr_init(&pta) != 0 ||
729 pthread_attr_setdetachstate(&pta, PTHREAD_CREATE_JOINABLE) != 0 ||
730 pthread_create(&pt, &pta, matcher_test_thread, td) != 0)
731 retval = system(cmd);
732 else {
733 debug_print("waiting for test thread\n");
734 while(!td->done) {
735 /* don't let the interface freeze while waiting */
736 claws_do_idle();
737 if (time(NULL) - start_time > 30) {
738 pthread_cancel(pt);
739 td->done = TRUE;
740 retval = -1;
741 }
742 }
743 pthread_join(pt, &res);
744 retval = GPOINTER_TO_INT(res);
745 debug_print(" test thread returned %d\n", retval);
746 }
747 g_free(td);
748 #else
749 /* debug output */
750 if (debug_filtering_session
751 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
752 log_print(LOG_DEBUG_FILTERING,
753 "starting synchronous command [ %s ]\n",
754 cmd);
755 }
756
757 retval = system(cmd);
758 #endif
759 debug_print("Command exit code: %d\n", retval);
760
761 /* debug output */
762 if (debug_filtering_session
763 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
764 log_print(LOG_DEBUG_FILTERING,
765 "command returned [ %d ]\n",
766 retval);
767 }
768
769 g_free(cmd);
770 return (retval == 0);
771 }
772
773 /*!
774 *\brief Check if a message matches the condition in a matcher
775 * structure.
776 *
777 *\param prop Pointer to matcher structure
778 *\param info Pointer to message info
779 *
780 *\return gboolean TRUE if a match
781 */
782 static gboolean matcherprop_match(MatcherProp *prop,
783 MsgInfo *info)
784 {
785 time_t t;
786 gint age_mult_hours = 1;
787
788 switch(prop->criteria) {
789 case MATCHCRITERIA_ALL:
790 return TRUE;
791 case MATCHCRITERIA_UNREAD:
792 return MSG_IS_UNREAD(info->flags);
793 case MATCHCRITERIA_NOT_UNREAD:
794 return !MSG_IS_UNREAD(info->flags);
795 case MATCHCRITERIA_NEW:
796 return MSG_IS_NEW(info->flags);
797 case MATCHCRITERIA_NOT_NEW:
798 return !MSG_IS_NEW(info->flags);
799 case MATCHCRITERIA_MARKED:
800 return MSG_IS_MARKED(info->flags);
801 case MATCHCRITERIA_NOT_MARKED:
802 return !MSG_IS_MARKED(info->flags);
803 case MATCHCRITERIA_DELETED:
804 return MSG_IS_DELETED(info->flags);
805 case MATCHCRITERIA_NOT_DELETED:
806 return !MSG_IS_DELETED(info->flags);
807 case MATCHCRITERIA_REPLIED:
808 return MSG_IS_REPLIED(info->flags);
809 case MATCHCRITERIA_NOT_REPLIED:
810 return !MSG_IS_REPLIED(info->flags);
811 case MATCHCRITERIA_FORWARDED:
812 return MSG_IS_FORWARDED(info->flags);
813 case MATCHCRITERIA_NOT_FORWARDED:
814 return !MSG_IS_FORWARDED(info->flags);
815 case MATCHCRITERIA_LOCKED:
816 return MSG_IS_LOCKED(info->flags);
817 case MATCHCRITERIA_NOT_LOCKED:
818 return !MSG_IS_LOCKED(info->flags);
819 case MATCHCRITERIA_SPAM:
820 return MSG_IS_SPAM(info->flags);
821 case MATCHCRITERIA_NOT_SPAM:
822 return !MSG_IS_SPAM(info->flags);
823 case MATCHCRITERIA_HAS_ATTACHMENT:
824 return MSG_IS_WITH_ATTACHMENT(info->flags);
825 case MATCHCRITERIA_HAS_NO_ATTACHMENT:
826 return !MSG_IS_WITH_ATTACHMENT(info->flags);
827 case MATCHCRITERIA_SIGNED:
828 return MSG_IS_SIGNED(info->flags);
829 case MATCHCRITERIA_NOT_SIGNED:
830 return !MSG_IS_SIGNED(info->flags);
831 case MATCHCRITERIA_COLORLABEL:
832 {
833 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
834 gboolean ret = (color == prop->value);
835
836 /* debug output */
837 if (debug_filtering_session
838 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
839 if (ret) {
840 log_print(LOG_DEBUG_FILTERING,
841 "message color value [ %d ] matches color value [ %d ]\n",
842 color, prop->value);
843 } else {
844 log_print(LOG_DEBUG_FILTERING,
845 "message color value [ %d ] does NOT match color value [ %d ]\n",
846 color, prop->value);
847 }
848 }
849 return ret;
850 }
851 case MATCHCRITERIA_NOT_COLORLABEL:
852 {
853 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
854 gboolean ret = (color != prop->value);
855
856 /* debug output */
857 if (debug_filtering_session
858 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
859 if (ret) {
860 log_print(LOG_DEBUG_FILTERING,
861 "message color value [ %d ] matches color value [ %d ]\n",
862 color, prop->value);
863 } else {
864 log_print(LOG_DEBUG_FILTERING,
865 "message color value [ %d ] does NOT match color value [ %d ]\n",
866 color, prop->value);
867 }
868 }
869 return ret;
870 }
871 case MATCHCRITERIA_IGNORE_THREAD:
872 return MSG_IS_IGNORE_THREAD(info->flags);
873 case MATCHCRITERIA_NOT_IGNORE_THREAD:
874 return !MSG_IS_IGNORE_THREAD(info->flags);
875 case MATCHCRITERIA_WATCH_THREAD:
876 return MSG_IS_WATCH_THREAD(info->flags);
877 case MATCHCRITERIA_NOT_WATCH_THREAD:
878 return !MSG_IS_WATCH_THREAD(info->flags);
879 case MATCHCRITERIA_SUBJECT:
880 return matcherprop_string_match(prop, info->subject, context_str[CONTEXT_SUBJECT]);
881 case MATCHCRITERIA_NOT_SUBJECT:
882 return !matcherprop_string_match(prop, info->subject, context_str[CONTEXT_SUBJECT]);
883 case MATCHCRITERIA_FROM:
884 return matcherprop_string_match(prop, info->from, context_str[CONTEXT_FROM]);
885 case MATCHCRITERIA_NOT_FROM:
886 return !matcherprop_string_match(prop, info->from, context_str[CONTEXT_FROM]);
887 case MATCHCRITERIA_TO:
888 return matcherprop_string_match(prop, info->to, context_str[CONTEXT_TO]);
889 case MATCHCRITERIA_NOT_TO:
890 return !matcherprop_string_match(prop, info->to, context_str[CONTEXT_TO]);
891 case MATCHCRITERIA_CC:
892 return matcherprop_string_match(prop, info->cc, context_str[CONTEXT_CC]);
893 case MATCHCRITERIA_NOT_CC:
894 return !matcherprop_string_match(prop, info->cc, context_str[CONTEXT_CC]);
895 case MATCHCRITERIA_TO_OR_CC:
896 return matcherprop_string_match(prop, info->to, context_str[CONTEXT_TO])
897 || matcherprop_string_match(prop, info->cc, context_str[CONTEXT_CC]);
898 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
899 return !matcherprop_string_match(prop, info->to, context_str[CONTEXT_TO])
900 && !matcherprop_string_match(prop, info->cc, context_str[CONTEXT_CC]);
901 case MATCHCRITERIA_TAG:
902 return matcherprop_tag_match(prop, info, context_str[CONTEXT_TAG]);
903 case MATCHCRITERIA_NOT_TAG:
904 return !matcherprop_tag_match(prop, info, context_str[CONTEXT_TAG]);
905 case MATCHCRITERIA_TAGGED:
906 return info->tags != NULL;
907 case MATCHCRITERIA_NOT_TAGGED:
908 return info->tags == NULL;
909 case MATCHCRITERIA_AGE_GREATER:
910 age_mult_hours = 24;
911 /* Fallthrough intended */
912 case MATCHCRITERIA_AGE_GREATER_HOURS:
913 {
914 gboolean ret;
915 gint age;
916
917 t = time(NULL);
918 age = ((t - info->date_t) / (60 * 60 * age_mult_hours));
919 ret = (age >= prop->value);
920
921 /* debug output */
922 if (debug_filtering_session
923 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
924 if (ret) {
925 log_print(LOG_DEBUG_FILTERING,
926 "message age [ %d ] is greater than [ %d ]\n",
927 age, prop->value);
928 } else {
929 log_print(LOG_DEBUG_FILTERING,
930 "message age [ %d ] is not greater than [ %d ]\n",
931 age, prop->value);
932 }
933 }
934 return ret;
935 }
936 case MATCHCRITERIA_AGE_LOWER:
937 age_mult_hours = 24;
938 /* Fallthrough intended */
939 case MATCHCRITERIA_AGE_LOWER_HOURS:
940 {
941 gboolean ret;
942 gint age;
943
944 t = time(NULL);
945 age = ((t - info->date_t) / (60 * 60 * age_mult_hours));
946 ret = (age < prop->value);
947
948 /* debug output */
949 if (debug_filtering_session
950 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
951 if (ret) {
952 log_print(LOG_DEBUG_FILTERING,
953 "message age [ %d ] is lower than [ %d ]\n",
954 age, prop->value);
955 } else {
956 log_print(LOG_DEBUG_FILTERING,
957 "message age [ %d ] is not lower than [ %d ]\n",
958 age, prop->value);
959 }
960 }
961 return ret;
962 }
963 case MATCHCRITERIA_SCORE_GREATER:
964 {
965 gboolean ret = (info->score > prop->value);
966
967 /* debug output */
968 if (debug_filtering_session
969 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
970 if (ret) {
971 log_print(LOG_DEBUG_FILTERING,
972 "message score [ %d ] is greater than [ %d ]\n",
973 info->score, prop->value);
974 } else {
975 log_print(LOG_DEBUG_FILTERING,
976 "message score [ %d ] is not greater than [ %d ]\n",
977 info->score, prop->value);
978 }
979 }
980 return ret;
981 }
982 case MATCHCRITERIA_SCORE_LOWER:
983 {
984 gboolean ret = (info->score < prop->value);
985
986 /* debug output */
987 if (debug_filtering_session
988 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
989 if (ret) {
990 log_print(LOG_DEBUG_FILTERING,
991 "message score [ %d ] is lower than [ %d ]\n",
992 info->score, prop->value);
993 } else {
994 log_print(LOG_DEBUG_FILTERING,
995 "message score [ %d ] is not lower than [ %d ]\n",
996 info->score, prop->value);
997 }
998 }
999 return ret;
1000 }
1001 case MATCHCRITERIA_SCORE_EQUAL:
1002 {
1003 gboolean ret = (info->score == prop->value);
1004
1005 /* debug output */
1006 if (debug_filtering_session
1007 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1008 if (ret) {
1009 log_print(LOG_DEBUG_FILTERING,
1010 "message score [ %d ] is equal to [ %d ]\n",
1011 info->score, prop->value);
1012 } else {
1013 log_print(LOG_DEBUG_FILTERING,
1014 "message score [ %d ] is not equal to [ %d ]\n",
1015 info->score, prop->value);
1016 }
1017 }
1018 return ret;
1019 }
1020 case MATCHCRITERIA_SIZE_GREATER:
1021 {
1022 /* FIXME: info->size is a goffset */
1023 gboolean ret = (info->size > (goffset) prop->value);
1024
1025 /* debug output */
1026 if (debug_filtering_session
1027 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1028 if (ret) {
1029 log_print(LOG_DEBUG_FILTERING,
1030 "message size is greater than [ %d ]\n",
1031 prop->value);
1032 } else {
1033 log_print(LOG_DEBUG_FILTERING,
1034 "message size is not greater than [ %d ]\n",
1035 prop->value);
1036 }
1037 }
1038 return ret;
1039 }
1040 case MATCHCRITERIA_SIZE_SMALLER:
1041 {
1042 /* FIXME: info->size is a goffset */
1043 gboolean ret = (info->size < (goffset) prop->value);
1044
1045 /* debug output */
1046 if (debug_filtering_session
1047 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1048 if (ret) {
1049 log_print(LOG_DEBUG_FILTERING,
1050 "message size is smaller than [ %d ]\n",
1051 prop->value);
1052 } else {
1053 log_print(LOG_DEBUG_FILTERING,
1054 "message size is not smaller than [ %d ]\n",
1055 prop->value);
1056 }
1057 }
1058 return ret;
1059 }
1060 case MATCHCRITERIA_SIZE_EQUAL:
1061 {
1062 /* FIXME: info->size is a goffset */
1063 gboolean ret = (info->size == (goffset) prop->value);
1064
1065 /* debug output */
1066 if (debug_filtering_session
1067 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1068 if (ret) {
1069 log_print(LOG_DEBUG_FILTERING,
1070 "message size is equal to [ %d ]\n",
1071 prop->value);
1072 } else {
1073 log_print(LOG_DEBUG_FILTERING,
1074 "message size is not equal to [ %d ]\n",
1075 prop->value);
1076 }
1077 }
1078 return ret;
1079 }
1080 case MATCHCRITERIA_PARTIAL:
1081 {
1082 /* FIXME: info->size is a goffset */
1083 gboolean ret = (info->total_size != 0 && info->size != (goffset)info->total_size);
1084
1085 /* debug output */
1086 if (debug_filtering_session
1087 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1088 if (ret) {
1089 log_print(LOG_DEBUG_FILTERING,
1090 "message is partially downloaded, size is less than total size [ %d ])\n",
1091 info->total_size);
1092 } else {
1093 log_print(LOG_DEBUG_FILTERING,
1094 "message is not partially downloaded\n");
1095 }
1096 }
1097 return ret;
1098 }
1099 case MATCHCRITERIA_NOT_PARTIAL:
1100 {
1101 /* FIXME: info->size is a goffset */
1102 gboolean ret = (info->total_size == 0 || info->size == (goffset)info->total_size);
1103
1104 /* debug output */
1105 if (debug_filtering_session
1106 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1107 if (ret) {
1108 log_print(LOG_DEBUG_FILTERING,
1109 "message is not partially downloaded\n");
1110 } else {
1111 log_print(LOG_DEBUG_FILTERING,
1112 "message is partially downloaded, size is less than total size [ %d ])\n",
1113 info->total_size);
1114 }
1115 }
1116 return ret;
1117 }
1118 case MATCHCRITERIA_NEWSGROUPS:
1119 return matcherprop_string_match(prop, info->newsgroups, context_str[CONTEXT_NEWSGROUPS]);
1120 case MATCHCRITERIA_NOT_NEWSGROUPS:
1121 return !matcherprop_string_match(prop, info->newsgroups, context_str[CONTEXT_NEWSGROUPS]);
1122 case MATCHCRITERIA_MESSAGEID:
1123 return matcherprop_string_match(prop, info->msgid, context_str[CONTEXT_MESSAGEID]);
1124 case MATCHCRITERIA_NOT_MESSAGEID:
1125 return !matcherprop_string_match(prop, info->msgid, context_str[CONTEXT_MESSAGEID]);
1126 case MATCHCRITERIA_INREPLYTO:
1127 return matcherprop_string_match(prop, info->inreplyto, context_str[CONTEXT_IN_REPLY_TO]);
1128 case MATCHCRITERIA_NOT_INREPLYTO:
1129 return !matcherprop_string_match(prop, info->inreplyto, context_str[CONTEXT_IN_REPLY_TO]);
1130 case MATCHCRITERIA_REFERENCES:
1131 return matcherprop_list_match(prop, info->references, context_str[CONTEXT_REFERENCES]);
1132 case MATCHCRITERIA_NOT_REFERENCES:
1133 return !matcherprop_list_match(prop, info->references, context_str[CONTEXT_REFERENCES]);
1134 case MATCHCRITERIA_TEST:
1135 return matcherprop_match_test(prop, info);
1136 case MATCHCRITERIA_NOT_TEST:
1137 return !matcherprop_match_test(prop, info);
1138 default:
1139 return FALSE;
1140 }
1141 }
1142
1143 /* ********************* MatcherList *************************** */
1144
1145 /*!
1146 *\brief Create a new list of matchers
1147 *
1148 *\param matchers List of matcher structures
1149 *\param bool_and Operator
1150 *
1151 *\return MatcherList * New list
1152 */
1153 MatcherList *matcherlist_new(GSList *matchers, gboolean bool_and)
1154 {
1155 MatcherList *cond;
1156
1157 cond = g_new0(MatcherList, 1);
1158
1159 cond->matchers = matchers;
1160 cond->bool_and = bool_and;
1161
1162 return cond;
1163 }
1164
1165 #ifdef G_OS_UNIX
1166 /*!
1167 *\brief Builds a single regular expresion from an array of srings.
1168 *
1169 *\param strings The lines containing the different sub-regexp.
1170 *
1171 *\return The newly allocated regexp string.
1172 */
1173 static gchar *build_complete_regexp(gchar **strings)
1174 {
1175 int i = 0;
1176 gchar *expr = NULL;
1177 while (strings && strings[i] && *strings[i]) {
1178 int old_len = expr ? strlen(expr):0;
1179 int new_len = 0;
1180 gchar *tmpstr = NULL;
1181
1182 if (g_utf8_validate(strings[i], -1, NULL))
1183 tmpstr = g_strdup(strings[i]);
1184 else
1185 tmpstr = conv_codeset_strdup(strings[i],
1186 conv_get_locale_charset_str_no_utf8(),
1187 CS_INTERNAL);
1188
1189 if (strstr(tmpstr, "\n"))
1190 *(strstr(tmpstr, "\n")) = '\0';
1191
1192 new_len = strlen(tmpstr);
1193
1194 expr = g_realloc(expr,
1195 expr ? (old_len + strlen("|()") + new_len + 1)
1196 : (strlen("()") + new_len + 1));
1197
1198 if (old_len) {
1199 strcpy(expr + old_len, "|(");
1200 strcpy(expr + old_len + 2, tmpstr);
1201 strcpy(expr + old_len + 2 + new_len, ")");
1202 } else {
1203 strcpy(expr+old_len, "(");
1204 strcpy(expr+old_len + 1, tmpstr);
1205 strcpy(expr+old_len + 1 + new_len, ")");
1206 }
1207 g_free(tmpstr);
1208 i++;
1209 }
1210 return expr;
1211 }
1212 #endif
1213
1214 /*!
1215 *\brief Create a new list of matchers from a multi-line string
1216 *
1217 *\param lines String with "\n"-separated expressions
1218 *\param bool_and Operator
1219 *\param case_sensitive If the matching is case sensitive or not
1220 *
1221 *\return MatcherList * New matcher list
1222 */
1223 MatcherList *matcherlist_new_from_lines(gchar *lines, gboolean bool_and,
1224 gboolean case_sensitive)
1225 {
1226 MatcherProp *m = NULL;
1227 GSList *matchers = NULL;
1228 gchar **strings = g_strsplit(lines, "\n", -1);
1229
1230 #ifdef G_OS_UNIX
1231 gchar *expr = NULL;
1232 expr = build_complete_regexp(strings);
1233 debug_print("building matcherprop for expr '%s'\n", expr?expr:"NULL");
1234
1235 m = matcherprop_new(MATCHCRITERIA_SUBJECT, NULL,
1236 case_sensitive? MATCHTYPE_REGEXP: MATCHTYPE_REGEXPCASE,
1237 expr, 0);
1238 if (m == NULL) {
1239 /* print error message */
1240 debug_print("failed to allocate memory for matcherprop\n");
1241 } else {
1242 matchers = g_slist_append(matchers, m);
1243 }
1244
1245 g_free(expr);
1246 #else
1247 int i = 0;
1248 while (strings && strings[i] && *strings[i]) {
1249 m = matcherprop_new(MATCHCRITERIA_SUBJECT, NULL,
1250 case_sensitive? MATCHTYPE_MATCH: MATCHTYPE_MATCHCASE,
1251 strings[i], 0);
1252 if (m == NULL) {
1253 /* print error message */
1254 debug_print("failed to allocate memory for matcherprop\n");
1255 } else {
1256 matchers = g_slist_append(matchers, m);
1257 }
1258 i++;
1259 }
1260 #endif
1261 g_strfreev(strings);
1262
1263 return matcherlist_new(matchers, bool_and);
1264 }
1265
1266 /*!
1267 *\brief Frees a list of matchers
1268 *
1269 *\param cond List of matchers
1270 */
1271 void matcherlist_free(MatcherList *cond)
1272 {
1273 GSList *l;
1274
1275 cm_return_if_fail(cond);
1276 for (l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
1277 matcherprop_free((MatcherProp *) l->data);
1278 }
1279 g_slist_free(cond->matchers);
1280 g_free(cond);
1281 }
1282
1283 /*!
1284 *\brief Skip all headers in a message file
1285 *
1286 *\param fp Message file
1287 */
1288 static void matcherlist_skip_headers(FILE *fp)
1289 {
1290 gchar buf[BUFFSIZE];
1291
1292 while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
1293 ;
1294 }
1295
1296 /*!
1297 *\brief Check if a header matches a matcher condition
1298 *
1299 *\param matcher Matcher structure to check header for
1300 *\param buf Header name
1301 *
1302 *\return boolean TRUE if matching header
1303 */
1304 static gboolean matcherprop_match_one_header(MatcherProp *matcher,
1305 gchar *buf)
1306 {
1307 gboolean result = FALSE;
1308 Header *header = NULL;
1309
1310 switch (matcher->criteria) {
1311 case MATCHCRITERIA_HEADER:
1312 case MATCHCRITERIA_NOT_HEADER:
1313 header = procheader_parse_header(buf);
1314 if (!header)
1315 return FALSE;
1316 if (procheader_headername_equal(header->name,
1317 matcher->header)) {
1318 if (matcher->criteria == MATCHCRITERIA_HEADER)
1319 result = matcherprop_string_match(matcher, header->body, context_str[CONTEXT_HEADER]);
1320 else
1321 result = !matcherprop_string_match(matcher, header->body, context_str[CONTEXT_HEADER]);
1322 procheader_header_free(header);
1323 return result;
1324 }
1325 else {
1326 procheader_header_free(header);
1327 }
1328 break;
1329 case MATCHCRITERIA_HEADERS_PART:
1330 case MATCHCRITERIA_HEADERS_CONT:
1331 case MATCHCRITERIA_MESSAGE:
1332 header = procheader_parse_header(buf);
1333 if (!header)
1334 return FALSE;
1335 result = matcherprop_header_line_match(matcher,
1336 header->name, header->body,
1337 (matcher->criteria == MATCHCRITERIA_HEADERS_PART),
1338 context_str[CONTEXT_HEADER_LINE]);
1339 procheader_header_free(header);
1340 return result;
1341 case MATCHCRITERIA_NOT_HEADERS_CONT:
1342 case MATCHCRITERIA_NOT_HEADERS_PART:
1343 case MATCHCRITERIA_NOT_MESSAGE:
1344 header = procheader_parse_header(buf);
1345 if (!header)
1346 return FALSE;
1347 result = !matcherprop_header_line_match(matcher,
1348 header->name, header->body,
1349 (matcher->criteria == MATCHCRITERIA_NOT_HEADERS_PART),
1350 context_str[CONTEXT_HEADER_LINE]);
1351 procheader_header_free(header);
1352 return result;
1353 case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1354 case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1355 {
1356 GSList *address_list = NULL;
1357 gint match = MATCH_ONE;
1358 gboolean found = FALSE;
1359
1360 /* how many address headers are we trying to match? */
1361 if (strcasecmp(matcher->header, "Any") == 0)
1362 match = MATCH_ANY;
1363 else if (strcasecmp(matcher->header, "All") == 0)
1364 match = MATCH_ALL;
1365
1366 if (match == MATCH_ONE) {
1367 /* matching one address header exactly, is that the right one? */
1368 header = procheader_parse_header(buf);
1369 if (!header ||
1370 !procheader_headername_equal(header->name, matcher->header))
1371 return FALSE;
1372 address_list = address_list_append(address_list, header->body);
1373 if (address_list == NULL)
1374 return FALSE;
1375
1376 } else {
1377 header = procheader_parse_header(buf);
1378 if (!header)
1379 return FALSE;
1380 /* address header is one of the headers we have to match when checking
1381 for any address header or all address headers? */
1382 if (procheader_headername_equal(header->name, "From") ||
1383 procheader_headername_equal(header->name, "To") ||
1384 procheader_headername_equal(header->name, "Cc") ||
1385 procheader_headername_equal(header->name, "Reply-To") ||
1386 procheader_headername_equal(header->name, "Sender"))
1387 address_list = address_list_append(address_list, header->body);
1388 if (address_list == NULL)
1389 return FALSE;
1390 }
1391
1392 found = match_with_addresses_in_addressbook
1393 (matcher, address_list, matcher->criteria,
1394 matcher->expr, match);
1395 g_slist_free(address_list);
1396
1397 if (matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK)
1398 return !found;
1399 else
1400 return found;
1401 }
1402 }
1403
1404 return FALSE;
1405 }
1406
1407 /*!
1408 *\brief Check if the matcher structure wants headers to
1409 * be matched
1410 *
1411 *\param matcher Matcher structure
1412 *
1413 *\return gboolean TRUE if the matcher structure describes
1414 * a header match condition
1415 */
1416 static gboolean matcherprop_criteria_headers(const MatcherProp *matcher)
1417 {
1418 switch (matcher->criteria) {
1419 case MATCHCRITERIA_HEADER:
1420 case MATCHCRITERIA_NOT_HEADER:
1421 case MATCHCRITERIA_HEADERS_PART:
1422 case MATCHCRITERIA_HEADERS_CONT:
1423 case MATCHCRITERIA_NOT_HEADERS_PART:
1424 case MATCHCRITERIA_NOT_HEADERS_CONT:
1425 case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1426 case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1427 return TRUE;
1428 default:
1429 return FALSE;
1430 }
1431 }
1432
1433 /*!
1434 *\brief Check if the matcher structure wants the message
1435 * to be matched (just perform an action on any
1436 * message)
1437 *
1438 *\param matcher Matcher structure
1439 *
1440 *\return gboolean TRUE if matcher condition should match
1441 * a message
1442 */
1443 static gboolean matcherprop_criteria_message(MatcherProp *matcher)
1444 {
1445 switch (matcher->criteria) {
1446 case MATCHCRITERIA_MESSAGE:
1447 case MATCHCRITERIA_NOT_MESSAGE:
1448 return TRUE;
1449 default:
1450 return FALSE;
1451 }
1452 }
1453
1454 /*!
1455 *\brief Check if a list of conditions matches one header in
1456 * a message file.
1457 *
1458 *\param matchers List of conditions
1459 *\param fp Message file
1460 *
1461 *\return gboolean TRUE if one of the headers is matched by
1462 * the list of conditions.
1463 */
1464 static gboolean matcherlist_match_headers(MatcherList *matchers, FILE *fp)
1465 {
1466 GSList *l;
1467 gchar buf[BUFFSIZE];
1468
1469 while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
1470 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1471 MatcherProp *matcher = (MatcherProp *) l->data;
1472 gint match = MATCH_ANY;
1473
1474 if (matcher->done)
1475 continue;
1476
1477 /* determine the match range (all, any are our concern here) */
1478 if (matcher->criteria == MATCHCRITERIA_NOT_HEADERS_PART ||
1479 matcher->criteria == MATCHCRITERIA_NOT_HEADERS_CONT ||
1480 matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1481 match = MATCH_ALL;
1482
1483 } else if (matcher->criteria == MATCHCRITERIA_FOUND_IN_ADDRESSBOOK ||
1484 matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK) {
1485 Header *header = NULL;
1486
1487 /* address header is one of the headers we have to match when checking
1488 for any address header or all address headers? */
1489 header = procheader_parse_header(buf);
1490 if (header &&
1491 (procheader_headername_equal(header->name, "From") ||
1492 procheader_headername_equal(header->name, "To") ||
1493 procheader_headername_equal(header->name, "Cc") ||
1494 procheader_headername_equal(header->name, "Reply-To") ||
1495 procheader_headername_equal(header->name, "Sender"))) {
1496
1497 if (strcasecmp(matcher->header, "Any") == 0)
1498 match = MATCH_ANY;
1499 else if (strcasecmp(matcher->header, "All") == 0)
1500 match = MATCH_ALL;
1501 else
1502 match = MATCH_ONE;
1503 } else {
1504 /* further call to matcherprop_match_one_header() can't match
1505 and it irrelevant, so: don't alter the match result */
1506 continue;
1507 }
1508 }
1509
1510 /* ZERO line must NOT match for the rule to match.
1511 */
1512 if (match == MATCH_ALL) {
1513 if (matcherprop_match_one_header(matcher, buf)) {
1514 matcher->result = TRUE;
1515 } else {
1516 matcher->result = FALSE;
1517 matcher->done = TRUE;
1518 }
1519 /* else, just one line matching is enough for the rule to match
1520 */
1521 } else if (matcherprop_criteria_headers(matcher) ||
1522 matcherprop_criteria_message(matcher)) {
1523 if (matcherprop_match_one_header(matcher, buf)) {
1524 matcher->result = TRUE;
1525 matcher->done = TRUE;
1526 }
1527 }
1528
1529 /* if the rule matched and the matchers are OR, no need to
1530 * check the others */
1531 if (matcher->result && matcher->done) {
1532 if (!matchers->bool_and)
1533 return TRUE;
1534 }
1535 }
1536 }
1537
1538 return FALSE;
1539 }
1540
1541 /*!
1542 *\brief Check if a matcher wants to check the message body
1543 *
1544 *\param matcher Matcher structure
1545 *
1546 *\return gboolean TRUE if body must be matched.
1547 */
1548 static gboolean matcherprop_criteria_body(const MatcherProp *matcher)
1549 {
1550 switch (matcher->criteria) {
1551 case MATCHCRITERIA_BODY_PART:
1552 case MATCHCRITERIA_NOT_BODY_PART:
1553 return TRUE;
1554 default:
1555 return FALSE;
1556 }
1557 }
1558
1559 static gboolean matcherlist_match_binary_content(MatcherList *matchers, MimeInfo *partinfo)
1560 {
1561 FILE *outfp;
1562 gchar buf[BUFFSIZE];
1563 GSList *l;
1564
1565 if (!partinfo || partinfo->type == MIMETYPE_TEXT)
1566 return FALSE;
1567 else
1568 outfp = procmime_get_binary_content(partinfo);
1569
1570 if (!outfp)
1571 return FALSE;
1572
1573 while (fgets(buf, sizeof(buf), outfp) != NULL) {
1574 strretchomp(buf);
1575
1576 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1577 MatcherProp *matcher = (MatcherProp *) l->data;
1578
1579 if (matcher->done)
1580 continue;
1581
1582 /* Don't scan non-text parts when looking in body, only
1583 * when looking in whole message
1584 */
1585 if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1586 matcher->criteria == MATCHCRITERIA_BODY_PART)
1587 continue;
1588
1589 /* if the criteria is ~body_part or ~message, ZERO lines
1590 * must match for the rule to match.
1591 */
1592 if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1593 matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1594 if (matcherprop_string_match(matcher, buf,
1595 context_str[CONTEXT_BODY_LINE])) {
1596 matcher->result = FALSE;
1597 matcher->done = TRUE;
1598 } else
1599 matcher->result = TRUE;
1600 /* else, just one line has to match */
1601 } else if (matcherprop_criteria_body(matcher) ||
1602 matcherprop_criteria_message(matcher)) {
1603 if (matcherprop_string_match(matcher, buf,
1604 context_str[CONTEXT_BODY_LINE])) {
1605 matcher->result = TRUE;
1606 matcher->done = TRUE;
1607 }
1608 }
1609
1610 /* if the matchers are OR'ed and the rule matched,
1611 * no need to check the others. */
1612 if (matcher->result && matcher->done) {
1613 if (!matchers->bool_and) {
1614 fclose(outfp);
1615 return TRUE;
1616 }
1617 }
1618 }
1619 }
1620
1621 fclose(outfp);
1622 return FALSE;
1623 }
1624
1625 static gboolean match_content_cb(const gchar *buf, gpointer data)
1626 {
1627 MatcherList *matchers = (MatcherList *)data;
1628 gboolean all_done = TRUE;
1629 GSList *l;
1630
1631 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1632 MatcherProp *matcher = (MatcherProp *) l->data;
1633
1634 if (matcher->done)
1635 continue;
1636
1637 /* if the criteria is ~body_part or ~message, ZERO lines
1638 * must match for the rule to match.
1639 */
1640 if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1641 matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1642 if (matcherprop_string_match(matcher, buf,
1643 context_str[CONTEXT_BODY_LINE])) {
1644 matcher->result = FALSE;
1645 matcher->done = TRUE;
1646 } else
1647 matcher->result = TRUE;
1648 /* else, just one line has to match */
1649 } else if (matcherprop_criteria_body(matcher) ||
1650 matcherprop_criteria_message(matcher)) {
1651 if (matcherprop_string_match(matcher, buf,
1652 context_str[CONTEXT_BODY_LINE])) {
1653 matcher->result = TRUE;
1654 matcher->done = TRUE;
1655 }
1656 }
1657
1658 /* if the matchers are OR'ed and the rule matched,
1659 * no need to check the others. */
1660 if (matcher->result && matcher->done) {
1661 if (!matchers->bool_and) {
1662 return TRUE;
1663 }
1664 }
1665
1666 if (!matcher->done)
1667 all_done = FALSE;
1668 }
1669 return all_done;
1670 }
1671
1672 static gboolean matcherlist_match_text_content(MatcherList *matchers, MimeInfo *partinfo)
1673 {
1674 if (partinfo->type != MIMETYPE_TEXT)
1675 return FALSE;
1676
1677 return procmime_scan_text_content(partinfo, match_content_cb, matchers);
1678 }
1679
1680 /*!
1681 *\brief Check if a line in a message file's body matches
1682 * the criteria
1683 *
1684 *\param matchers List of conditions
1685 *\param fp Message file
1686 *
1687 *\return gboolean TRUE if succesful match
1688 */
1689 static gboolean matcherlist_match_body(MatcherList *matchers, gboolean body_only, MsgInfo *info)
1690 {
1691 MimeInfo *mimeinfo = NULL;
1692 MimeInfo *partinfo = NULL;
1693 gboolean first_text_found = FALSE;
1694
1695 cm_return_val_if_fail(info != NULL, FALSE);
1696
1697 mimeinfo = procmime_scan_message(info);
1698
1699 /* Skip headers */
1700 partinfo = procmime_mimeinfo_next(mimeinfo);
1701
1702 for (; partinfo != NULL; partinfo = procmime_mimeinfo_next(partinfo)) {
1703
1704 if (partinfo->type != MIMETYPE_TEXT && body_only)
1705 continue;
1706
1707 if (partinfo->type == MIMETYPE_TEXT) {
1708 first_text_found = TRUE;
1709 if (matcherlist_match_text_content(matchers, partinfo)) {
1710 procmime_mimeinfo_free_all(&mimeinfo);
1711 return TRUE;
1712 }
1713 } else if (matcherlist_match_binary_content(matchers, partinfo)) {
1714 procmime_mimeinfo_free_all(&mimeinfo);
1715 return TRUE;
1716 }
1717
1718 if (body_only && first_text_found)
1719 break;
1720 }
1721 procmime_mimeinfo_free_all(&mimeinfo);
1722
1723 return FALSE;
1724 }
1725
1726 /*!
1727 *\brief Check if a message file matches criteria
1728 *
1729 *\param matchers Criteria
1730 *\param info Message info
1731 *\param result Default result
1732 *
1733 *\return gboolean TRUE if matched
1734 */
1735 static gboolean matcherlist_match_file(MatcherList *matchers, MsgInfo *info,
1736 gboolean result)
1737 {
1738 gboolean read_headers;
1739 gboolean read_body;
1740 gboolean body_only;
1741 GSList *l;
1742 FILE *fp;
1743 gchar *file;
1744
1745 /* file need to be read ? */
1746
1747 read_headers = FALSE;
1748 read_body = FALSE;
1749 body_only = TRUE;
1750 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1751 MatcherProp *matcher = (MatcherProp *) l->data;
1752
1753 if (matcherprop_criteria_headers(matcher))
1754 read_headers = TRUE;
1755 if (matcherprop_criteria_body(matcher))
1756 read_body = TRUE;
1757 if (matcherprop_criteria_message(matcher)) {
1758 read_headers = TRUE;
1759 read_body = TRUE;
1760 body_only = FALSE;
1761 }
1762 matcher->result = FALSE;
1763 matcher->done = FALSE;
1764 }
1765
1766 if (!read_headers && !read_body)
1767 return result;
1768
1769 file = procmsg_get_message_file_full(info, read_headers, read_body);
1770 if (file == NULL)
1771 return FALSE;
1772
1773 if ((fp = g_fopen(file, "rb")) == NULL) {
1774 FILE_OP_ERROR(file, "fopen");
1775 g_free(file);
1776 return result;
1777 }
1778
1779 /* read the headers */
1780
1781 if (read_headers) {
1782 if (matcherlist_match_headers(matchers, fp))
1783 read_body = FALSE;
1784 } else {
1785 matcherlist_skip_headers(fp);
1786 }
1787
1788 /* read the body */
1789 if (read_body) {
1790 matcherlist_match_body(matchers, body_only, info);
1791 }
1792
1793 for (l = matchers->matchers; l != NULL; l = g_slist_next(l)) {
1794 MatcherProp *matcher = (MatcherProp *) l->data;
1795
1796 if (matcherprop_criteria_headers(matcher) ||
1797 matcherprop_criteria_body(matcher) ||
1798 matcherprop_criteria_message(matcher)) {
1799 if (matcher->result) {
1800 if (!matchers->bool_and) {
1801 result = TRUE;
1802 break;
1803 }
1804 }
1805 else {
1806 if (matchers->bool_and) {
1807 result = FALSE;
1808 break;
1809 }
1810 }
1811 }
1812 }
1813
1814 g_free(file);
1815
1816 fclose(fp);
1817
1818 return result;
1819 }
1820
1821 /*!
1822 *\brief Test list of conditions on a message.
1823 *
1824 *\param matchers List of conditions
1825 *\param info Message info
1826 *
1827 *\return gboolean TRUE if matched
1828 */
1829 gboolean matcherlist_match(MatcherList *matchers, MsgInfo *info)
1830 {
1831 GSList *l;
1832 gboolean result;
1833
1834 if (!matchers)
1835 return FALSE;
1836
1837 if (matchers->bool_and)
1838 result = TRUE;
1839 else
1840 result = FALSE;
1841
1842 /* test the cached elements */
1843
1844 for (l = matchers->matchers; l != NULL ;l = g_slist_next(l)) {
1845 MatcherProp *matcher = (MatcherProp *) l->data;
1846
1847 if (debug_filtering_session) {
1848 gchar *buf = matcherprop_to_string(matcher);
1849 log_print(LOG_DEBUG_FILTERING, _("checking if message matches [ %s ]\n"), buf);
1850 g_free(buf);
1851 }
1852
1853 switch(matcher->criteria) {
1854 case MATCHCRITERIA_ALL:
1855 case MATCHCRITERIA_UNREAD:
1856 case MATCHCRITERIA_NOT_UNREAD:
1857 case MATCHCRITERIA_NEW:
1858 case MATCHCRITERIA_NOT_NEW:
1859 case MATCHCRITERIA_MARKED:
1860 case MATCHCRITERIA_NOT_MARKED:
1861 case MATCHCRITERIA_DELETED:
1862 case MATCHCRITERIA_NOT_DELETED:
1863 case MATCHCRITERIA_REPLIED:
1864 case MATCHCRITERIA_NOT_REPLIED:
1865 case MATCHCRITERIA_FORWARDED:
1866 case MATCHCRITERIA_NOT_FORWARDED:
1867 case MATCHCRITERIA_LOCKED:
1868 case MATCHCRITERIA_NOT_LOCKED:
1869 case MATCHCRITERIA_SPAM:
1870 case MATCHCRITERIA_NOT_SPAM:
1871 case MATCHCRITERIA_HAS_ATTACHMENT:
1872 case MATCHCRITERIA_HAS_NO_ATTACHMENT:
1873 case MATCHCRITERIA_SIGNED:
1874 case MATCHCRITERIA_NOT_SIGNED:
1875 case MATCHCRITERIA_COLORLABEL:
1876 case MATCHCRITERIA_NOT_COLORLABEL:
1877 case MATCHCRITERIA_IGNORE_THREAD:
1878 case MATCHCRITERIA_NOT_IGNORE_THREAD:
1879 case MATCHCRITERIA_WATCH_THREAD:
1880 case MATCHCRITERIA_NOT_WATCH_THREAD:
1881 case MATCHCRITERIA_SUBJECT:
1882 case MATCHCRITERIA_NOT_SUBJECT:
1883 case MATCHCRITERIA_FROM:
1884 case MATCHCRITERIA_NOT_FROM:
1885 case MATCHCRITERIA_TO:
1886 case MATCHCRITERIA_NOT_TO:
1887 case MATCHCRITERIA_CC:
1888 case MATCHCRITERIA_NOT_CC:
1889 case MATCHCRITERIA_TO_OR_CC:
1890 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
1891 case MATCHCRITERIA_TAG:
1892 case MATCHCRITERIA_NOT_TAG:
1893 case MATCHCRITERIA_TAGGED:
1894 case MATCHCRITERIA_NOT_TAGGED:
1895 case MATCHCRITERIA_AGE_GREATER:
1896 case MATCHCRITERIA_AGE_LOWER:
1897 case MATCHCRITERIA_AGE_GREATER_HOURS:
1898 case MATCHCRITERIA_AGE_LOWER_HOURS:
1899 case MATCHCRITERIA_NEWSGROUPS:
1900 case MATCHCRITERIA_NOT_NEWSGROUPS:
1901 case MATCHCRITERIA_MESSAGEID:
1902 case MATCHCRITERIA_NOT_MESSAGEID:
1903 case MATCHCRITERIA_INREPLYTO:
1904 case MATCHCRITERIA_NOT_INREPLYTO:
1905 case MATCHCRITERIA_REFERENCES:
1906 case MATCHCRITERIA_NOT_REFERENCES:
1907 case MATCHCRITERIA_SCORE_GREATER:
1908 case MATCHCRITERIA_SCORE_LOWER:
1909 case MATCHCRITERIA_SCORE_EQUAL:
1910 case MATCHCRITERIA_SIZE_GREATER:
1911 case MATCHCRITERIA_SIZE_SMALLER:
1912 case MATCHCRITERIA_SIZE_EQUAL:
1913 case MATCHCRITERIA_TEST:
1914 case MATCHCRITERIA_NOT_TEST:
1915 case MATCHCRITERIA_PARTIAL:
1916 case MATCHCRITERIA_NOT_PARTIAL:
1917 if (matcherprop_match(matcher, info)) {
1918 if (!matchers->bool_and) {
1919 if (debug_filtering_session)
1920 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1921 return TRUE;
1922 }
1923 }
1924 else {
1925 if (matchers->bool_and) {
1926 if (debug_filtering_session)
1927 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1928 return FALSE;
1929 }
1930 }
1931 }
1932 }
1933
1934 /* test the condition on the file */
1935
1936 if (matcherlist_match_file(matchers, info, result)) {
1937 if (!matchers->bool_and) {
1938 if (debug_filtering_session)
1939 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1940 return TRUE;
1941 }
1942 } else {
1943 if (matchers->bool_and) {
1944 if (debug_filtering_session)
1945 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1946 return FALSE;
1947 }
1948 }
1949
1950 if (debug_filtering_session) {
1951 if (result)
1952 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1953 else
1954 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1955 }
1956 return result;
1957 }
1958
1959
1960 static gint quote_filter_str(gchar * result, guint size,
1961 const gchar * path)
1962 {
1963 const gchar * p;
1964 gchar * result_p;
1965 guint remaining;
1966
1967 result_p = result;
1968 remaining = size;
1969
1970 for(p = path ; * p != '\0' ; p ++) {
1971
1972 if ((* p != '\"') && (* p != '\\')) {
1973 if (remaining > 0) {
1974 * result_p = * p;
1975 result_p ++;
1976 remaining --;
1977 }
1978 else {
1979 result[size - 1] = '\0';
1980 return -1;
1981 }
1982 }
1983 else {
1984 if (remaining >= 2) {
1985 * result_p = '\\';
1986 result_p ++;
1987 * result_p = * p;
1988 result_p ++;
1989 remaining -= 2;
1990 }
1991 else {
1992 result[size - 1] = '\0';
1993 return -1;
1994 }
1995 }
1996 }
1997 if (remaining > 0) {
1998 * result_p = '\0';
1999 }
2000 else {
2001 result[size - 1] = '\0';
2002 return -1;
2003 }
2004
2005 return 0;
2006 }
2007
2008
2009 gchar * matcher_quote_str(const gchar * src)
2010 {
2011 gchar * res;
2012 gint len;
2013
2014 len = strlen(src) * 2 + 1;
2015 res = g_malloc(len);
2016 quote_filter_str(res, len, src);
2017
2018 return res;
2019 }
2020
2021 /*!
2022 *\brief Convert a matcher structure to a string
2023 *
2024 *\param matcher Matcher structure
2025 *
2026 *\return gchar * Newly allocated string
2027 */
2028 gchar *matcherprop_to_string(MatcherProp *matcher)
2029 {
2030 gchar *matcher_str = NULL;
2031 const gchar *criteria_str;
2032 const gchar *matchtype_str;
2033 int i;
2034 gchar * quoted_expr;
2035 gchar * quoted_header;
2036
2037 criteria_str = NULL;
2038 for (i = 0; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)); i++) {
2039 if (matchparser_tab[i].id == matcher->criteria)
2040 criteria_str = matchparser_tab[i].str;
2041 }
2042 if (criteria_str == NULL)
2043 return NULL;
2044
2045 switch (matcher->criteria) {
2046 case MATCHCRITERIA_AGE_GREATER:
2047 case MATCHCRITERIA_AGE_LOWER:
2048 case MATCHCRITERIA_AGE_GREATER_HOURS:
2049 case MATCHCRITERIA_AGE_LOWER_HOURS:
2050 case MATCHCRITERIA_SCORE_GREATER:
2051 case MATCHCRITERIA_SCORE_LOWER:
2052 case MATCHCRITERIA_SCORE_EQUAL:
2053 case MATCHCRITERIA_SIZE_GREATER:
2054 case MATCHCRITERIA_SIZE_SMALLER:
2055 case MATCHCRITERIA_SIZE_EQUAL:
2056 case MATCHCRITERIA_COLORLABEL:
2057 case MATCHCRITERIA_NOT_COLORLABEL:
2058 return g_strdup_printf("%s %i", criteria_str, matcher->value);
2059 case MATCHCRITERIA_ALL:
2060 case MATCHCRITERIA_UNREAD:
2061 case MATCHCRITERIA_NOT_UNREAD:
2062 case MATCHCRITERIA_NEW:
2063 case MATCHCRITERIA_NOT_NEW:
2064 case MATCHCRITERIA_MARKED:
2065 case MATCHCRITERIA_NOT_MARKED:
2066 case MATCHCRITERIA_DELETED:
2067 case MATCHCRITERIA_NOT_DELETED:
2068 case MATCHCRITERIA_REPLIED:
2069 case MATCHCRITERIA_NOT_REPLIED:
2070 case MATCHCRITERIA_FORWARDED:
2071 case MATCHCRITERIA_NOT_FORWARDED:
2072 case MATCHCRITERIA_LOCKED:
2073 case MATCHCRITERIA_NOT_LOCKED:
2074 case MATCHCRITERIA_SPAM:
2075 case MATCHCRITERIA_NOT_SPAM:
2076 case MATCHCRITERIA_HAS_ATTACHMENT:
2077 case MATCHCRITERIA_HAS_NO_ATTACHMENT:
2078 case MATCHCRITERIA_SIGNED:
2079 case MATCHCRITERIA_NOT_SIGNED:
2080 case MATCHCRITERIA_PARTIAL:
2081 case MATCHCRITERIA_NOT_PARTIAL:
2082 case MATCHCRITERIA_IGNORE_THREAD:
2083 case MATCHCRITERIA_NOT_IGNORE_THREAD:
2084 case MATCHCRITERIA_WATCH_THREAD:
2085 case MATCHCRITERIA_NOT_WATCH_THREAD:
2086 case MATCHCRITERIA_TAGGED:
2087 case MATCHCRITERIA_NOT_TAGGED:
2088 return g_strdup(criteria_str);
2089 case MATCHCRITERIA_TEST:
2090 case MATCHCRITERIA_NOT_TEST:
2091 quoted_expr = matcher_quote_str(matcher->expr);
2092 matcher_str = g_strdup_printf("%s \"%s\"",
2093 criteria_str, quoted_expr);
2094 g_free(quoted_expr);
2095 return matcher_str;
2096 case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
2097 case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
2098 quoted_header = matcher_quote_str(matcher->header);
2099 quoted_expr = matcher_quote_str(matcher->expr);
2100 matcher_str = g_strdup_printf("%s \"%s\" in \"%s\"",
2101 criteria_str, quoted_header, quoted_expr);
2102 g_free(quoted_header);
2103 g_free(quoted_expr);
2104 return matcher_str;
2105 }
2106
2107 matchtype_str = NULL;
2108 for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
2109 if (matchparser_tab[i].id == matcher->matchtype)
2110 matchtype_str = matchparser_tab[i].str;
2111 }
2112
2113 if (matchtype_str == NULL)
2114 return NULL;
2115
2116 switch (matcher->matchtype) {
2117 case MATCHTYPE_MATCH:
2118 case MATCHTYPE_MATCHCASE:
2119 case MATCHTYPE_REGEXP:
2120 case MATCHTYPE_REGEXPCASE:
2121 quoted_expr = matcher_quote_str(matcher->expr);
2122 if (matcher->header) {
2123 quoted_header = matcher_quote_str(matcher->header);
2124 matcher_str = g_strdup_printf
2125 ("%s \"%s\" %s \"%s\"",
2126 criteria_str, quoted_header,
2127 matchtype_str, quoted_expr);
2128 g_free(quoted_header);
2129 }
2130 else
2131 matcher_str = g_strdup_printf
2132 ("%s %s \"%s\"", criteria_str,
2133 matchtype_str, quoted_expr);
2134 g_free(quoted_expr);
2135 break;
2136 }
2137
2138 return matcher_str;
2139 }
2140
2141 /*!
2142 *\brief Convert a list of conditions to a string
2143 *
2144 *\param matchers List of conditions
2145 *
2146 *\return gchar * Newly allocated string
2147 */
2148 gchar *matcherlist_to_string(const MatcherList *matchers)
2149 {
2150 gint count;
2151 gchar **vstr;
2152 GSList *l;
2153 gchar **cur_str;
2154 gchar *result = NULL;
2155
2156 count = g_slist_length(matchers->matchers);
2157 vstr = g_new(gchar *, count + 1);
2158
2159 for (l = matchers->matchers, cur_str = vstr; l != NULL;
2160 l = g_slist_next(l), cur_str ++) {
2161 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
2162 if (*cur_str == NULL)
2163 break;
2164 }
2165 *cur_str = NULL;
2166
2167 if (matchers->bool_and)
2168 result = g_strjoinv(" & ", vstr);
2169 else
2170 result = g_strjoinv(" | ", vstr);
2171
2172 for (cur_str = vstr ; *cur_str != NULL ; cur_str ++)
2173 g_free(*cur_str);
2174 g_free(vstr);
2175
2176 return result;
2177 }
2178
2179
2180 #define STRLEN_ZERO(s) ((s) ? strlen(s) : 0)
2181 #define STRLEN_DEFAULT(s,d) ((s) ? strlen(s) : STRLEN_ZERO(d))
2182
2183 static void add_str_default(gchar ** dest,
2184 const gchar * s, const gchar * d)
2185 {
2186 gchar quoted_str[4096];
2187 const gchar * str;
2188
2189 if (s != NULL)
2190 str = s;
2191 else
2192 str = d;
2193
2194 quote_cmd_argument(quoted_str, sizeof(quoted_str), str);
2195 strcpy(* dest, quoted_str);
2196
2197 (* dest) += strlen(* dest);
2198 }
2199
2200 /* matching_build_command() - preferably cmd should be unescaped */
2201 /*!
2202 *\brief Build the command-line to execute
2203 *
2204 *\param cmd String with command-line specifiers
2205 *\param info Message info to use for command
2206 *
2207 *\return gchar * Newly allocated string
2208 */
2209 gchar *matching_build_command(const gchar *cmd, MsgInfo *info)
2210 {
2211 const gchar *s = cmd;
2212 gchar *filename = NULL;
2213 gchar *processed_cmd;
2214 gchar *p;
2215 gint size;
2216
2217 const gchar *const no_subject = _("(none)") ;
2218 const gchar *const no_from = _("(none)") ;
2219 const gchar *const no_to = _("(none)") ;
2220 const gchar *const no_cc = _("(none)") ;
2221 const gchar *const no_date = _("(none)") ;
2222 const gchar *const no_msgid = _("(none)") ;
2223 const gchar *const no_newsgroups = _("(none)") ;
2224 const gchar *const no_references = _("(none)") ;
2225
2226 size = STRLEN_ZERO(cmd) + 1;
2227 while (*s != '\0') {
2228 if (*s == '%') {
2229 s++;
2230 switch (*s) {
2231 case '%':
2232 size -= 1;
2233 break;
2234 case 's': /* subject */
2235 size += STRLEN_DEFAULT(info->subject, no_subject) - 2;
2236 break;
2237 case 'f': /* from */
2238 size += STRLEN_DEFAULT(info->from, no_from) - 2;
2239 break;
2240 case 't': /* to */
2241 size += STRLEN_DEFAULT(info->to, no_to) - 2;
2242 break;
2243 case 'c': /* cc */
2244 size += STRLEN_DEFAULT(info->cc, no_cc) - 2;
2245 break;
2246 case 'd': /* date */
2247 size += STRLEN_DEFAULT(info->date, no_date) - 2;
2248 break;
2249 case 'i': /* message-id */
2250 size += STRLEN_DEFAULT(info->msgid, no_msgid) - 2;
2251 break;
2252 case 'n': /* newsgroups */
2253 size += STRLEN_DEFAULT(info->newsgroups, no_newsgroups) - 2;
2254 break;
2255 case 'r': /* references */
2256 /* FIXME: using the inreplyto header for reference */
2257 size += STRLEN_DEFAULT(info->inreplyto, no_references) - 2;
2258 break;
2259 case 'F': /* file */
2260 if (filename == NULL)
2261 filename = folder_item_fetch_msg(info->folder, info->msgnum);
2262
2263 if (filename == NULL) {
2264 g_warning("filename is not set");
2265 return NULL;
2266 }
2267 else {
2268 size += strlen(filename) - 2;
2269 }
2270 break;
2271 }
2272 s++;
2273 }
2274 else s++;
2275 }
2276
2277 /* as the string can be quoted, we double the result */
2278 size *= 2;
2279
2280 processed_cmd = g_new0(gchar, size);
2281 s = cmd;
2282 p = processed_cmd;
2283
2284 while (*s != '\0') {
2285 if (*s == '%') {
2286 s++;
2287 switch (*s) {
2288 case '%':
2289 *p = '%';
2290 p++;
2291 break;
2292 case 's': /* subject */
2293 add_str_default(&p, info->subject,
2294 no_subject);
2295 break;
2296 case 'f': /* from */
2297 add_str_default(&p, info->from,
2298 no_from);
2299 break;
2300 case 't': /* to */
2301 add_str_default(&p, info->to,
2302 no_to);
2303 break;
2304 case 'c': /* cc */
2305 add_str_default(&p, info->cc,
2306 no_cc);
2307 break;
2308 case 'd': /* date */
2309 add_str_default(&p, info->date,
2310 no_date);
2311 break;
2312 case 'i': /* message-id */
2313 add_str_default(&p, info->msgid,
2314 no_msgid);
2315 break;
2316 case 'n': /* newsgroups */
2317 add_str_default(&p, info->newsgroups,
2318 no_newsgroups);
2319 break;
2320 case 'r': /* references */
2321 /* FIXME: using the inreplyto header for references */
2322 add_str_default(&p, info->inreplyto, no_references);
2323 break;
2324 case 'F': /* file */
2325 if (filename != NULL)
2326 add_str_default(&p, filename, NULL);
2327 break;
2328 default:
2329 *p = '%';
2330 p++;
2331 *p = *s;
2332 p++;
2333 break;
2334 }
2335 s++;
2336 }
2337 else {
2338 *p = *s;
2339 p++;
2340 s++;
2341 }
2342 }
2343 g_free(filename);
2344
2345 return processed_cmd;
2346 }
2347 #undef STRLEN_DEFAULT
2348 #undef STRLEN_ZERO
2349
2350 /* ************************************************************ */
2351
2352
2353 /*!
2354 *\brief Write filtering list to file
2355 *
2356 *\param fp File
2357 *\param prefs_filtering List of filtering conditions
2358 */
2359 static int prefs_filtering_write(FILE *fp, GSList *prefs_filtering)
2360 {
2361 GSList *cur = NULL;
2362
2363 for (cur = prefs_filtering; cur != NULL; cur = cur->next) {
2364 gchar *filtering_str = NULL;
2365 gchar *tmp_name = NULL;
2366 FilteringProp *prop = NULL;
2367
2368 if (NULL == (prop = (FilteringProp *) cur->data))
2369 continue;
2370
2371 if (NULL == (filtering_str = filteringprop_to_string(prop)))
2372 continue;
2373
2374 if (prop->enabled) {
2375 if (fputs("enabled ", fp) == EOF) {
2376 FILE_OP_ERROR("filtering config", "fputs");
2377 return -1;
2378 }
2379 } else {
2380 if (fputs("disabled ", fp) == EOF) {
2381 FILE_OP_ERROR("filtering config", "fputs");
2382 return -1;
2383 }
2384 }
2385
2386 if (fputs("rulename \"", fp) == EOF) {
2387 FILE_OP_ERROR("filtering config", "fputs");
2388 g_free(filtering_str);
2389 return -1;
2390 }
2391 tmp_name = prop->name;
2392 while (tmp_name && *tmp_name != '\0') {
2393 if (*tmp_name != '"') {
2394 if (fputc(*tmp_name, fp) == EOF) {
2395 FILE_OP_ERROR("filtering config", "fputs || fputc");
2396 g_free(filtering_str);
2397 return -1;
2398 }
2399 } else if (*tmp_name == '"') {
2400 if (fputc('\\', fp) == EOF ||
2401 fputc('"', fp) == EOF) {
2402 FILE_OP_ERROR("filtering config", "fputs || fputc");
2403 g_free(filtering_str);
2404 return -1;
2405 }
2406 }
2407 tmp_name ++;
2408 }
2409 if (fputs("\" ", fp) == EOF) {
2410 FILE_OP_ERROR("filtering config", "fputs");
2411 g_free(filtering_str);
2412 return -1;
2413 }
2414
2415 if (prop->account_id != 0) {
2416 gchar *tmp = NULL;
2417
2418 tmp = g_strdup_printf("account %d ", prop->account_id);
2419 if (fputs(tmp, fp) == EOF) {
2420 FILE_OP_ERROR("filtering config", "fputs");
2421 g_free(tmp);
2422 return -1;
2423 }
2424 g_free(tmp);
2425 }
2426
2427 if(fputs(filtering_str, fp) == EOF ||
2428 fputc('\n', fp) == EOF) {
2429 FILE_OP_ERROR("filtering config", "fputs || fputc");
2430 g_free(filtering_str);
2431 return -1;
2432 }
2433 g_free(filtering_str);
2434 }
2435
2436 return 0;
2437 }
2438
2439 typedef struct _NodeLoopData {
2440 FILE *fp;
2441 gboolean error;
2442 } NodeLoopData;
2443
2444 /*!
2445 *\brief Write matchers from a folder item
2446 *
2447 *\param node Node with folder info
2448 *\param data File pointer
2449 *
2450 *\return gboolean FALSE
2451 */
2452 static gboolean prefs_matcher_write_func(GNode *node, gpointer d)
2453 {
2454 FolderItem *item;
2455 NodeLoopData *data = (NodeLoopData *)d;
2456 gchar *id;
2457 GSList *prefs_filtering;
2458
2459 item = node->data;
2460 /* prevent warning */
2461 if (item->path == NULL)
2462 return FALSE;
2463 id = folder_item_get_identifier(item);
2464 if (id == NULL)
2465 return FALSE;
2466 prefs_filtering = item->prefs->processing;
2467
2468 if (prefs_filtering != NULL) {
2469 if (fprintf(data->fp, "[%s]\n", id) < 0) {
2470 data->error = TRUE;
2471 goto fail;
2472 }
2473 if (prefs_filtering_write(data->fp, prefs_filtering) < 0) {
2474 data->error = TRUE;
2475 goto fail;
2476 }
2477 if (fputc('\n', data->fp) == EOF) {
2478 data->error = TRUE;
2479 goto fail;
2480 }
2481 }
2482 fail:
2483 g_free(id);
2484
2485 return FALSE;
2486 }
2487
2488 /*!
2489 *\brief Save matchers from folder items
2490 *
2491 *\param fp File
2492 */
2493 static int prefs_matcher_save(FILE *fp)
2494 {
2495 GList *cur;
2496 NodeLoopData data;
2497
2498 data.fp = fp;
2499 data.error = FALSE;
2500
2501 for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
2502 Folder *folder;
2503
2504 folder = (Folder *) cur->data;
2505 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2506 prefs_matcher_write_func, &data);
2507 }
2508
2509 if (data.error == TRUE)
2510 return -1;
2511
2512 /* pre global rules */
2513 if (fprintf(fp, "[preglobal]\n") < 0 ||
2514 prefs_filtering_write(fp, pre_global_processing) < 0 ||
2515 fputc('\n', fp) == EOF)
2516 return -1;
2517
2518 /* post global rules */
2519 if (fprintf(fp, "[postglobal]\n") < 0 ||
2520 prefs_filtering_write(fp, post_global_processing) < 0 ||
2521 fputc('\n', fp) == EOF)
2522 return -1;
2523
2524 /* filtering rules */
2525 if (fprintf(fp, "[filtering]\n") < 0 ||
2526 prefs_filtering_write(fp, filtering_rules) < 0 ||
2527 fputc('\n', fp) == EOF)
2528 return -1;
2529
2530 return 0;
2531 }
2532
2533 /*!
2534 *\brief Write filtering / matcher configuration file
2535 */
2536 void prefs_matcher_write_config(void)
2537 {
2538 gchar *rcpath;
2539 PrefFile *pfile;
2540
2541 debug_print("Writing matcher configuration...\n");
2542
2543 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2544 MATCHER_RC, NULL);
2545
2546 if ((pfile = prefs_write_open(rcpath)) == NULL) {
2547 g_warning("failed to write configuration to file");
2548 g_free(rcpath);
2549 return;
2550 }
2551
2552 g_free(rcpath);
2553
2554 if (prefs_matcher_save(pfile->fp) < 0) {
2555 g_warning("failed to write configuration to file");
2556 prefs_file_close_revert(pfile);
2557 } else if (prefs_file_close(pfile) < 0) {
2558 g_warning("failed to save configuration to file");
2559 }
2560 }
2561
2562 /*!
2563 *\brief Read matcher configuration
2564 */
2565 void prefs_matcher_read_config(void)
2566 {
2567 gchar *rcpath;
2568 FILE *f;
2569
2570 create_matchparser_hashtab();
2571 prefs_filtering_clear();
2572
2573 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
2574
2575 f = g_fopen(rcpath, "rb");
2576 g_free(rcpath);
2577
2578 if (f != NULL) {
2579 matcher_parser_start_parsing(f);
2580 fclose(matcher_parserin);
2581 }
2582 }