src/matcher.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2002-2012 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
  52 /*!
  53  *\brief        Keyword lookup element
  54  */
  55 struct _MatchParser {
  56         gint id;                /*!< keyword id */
  57         gchar *str;             /*!< keyword */
  58 };
  59 typedef struct _MatchParser MatchParser;
  60
  61 /*!
  62  *\brief        Table with strings and ids used by the lexer and
  63  *              the parser. New keywords can be added here.
  64  */
  65 static const MatchParser matchparser_tab[] = {
  66         /* msginfo flags */
  67         {MATCHCRITERIA_ALL, "all"},
  68         {MATCHCRITERIA_UNREAD, "unread"},
  69         {MATCHCRITERIA_NOT_UNREAD, "~unread"},
  70         {MATCHCRITERIA_NEW, "new"},
  71         {MATCHCRITERIA_NOT_NEW, "~new"},
  72         {MATCHCRITERIA_MARKED, "marked"},
  73         {MATCHCRITERIA_NOT_MARKED, "~marked"},
  74         {MATCHCRITERIA_DELETED, "deleted"},
  75         {MATCHCRITERIA_NOT_DELETED, "~deleted"},
  76         {MATCHCRITERIA_REPLIED, "replied"},
  77         {MATCHCRITERIA_NOT_REPLIED, "~replied"},
  78         {MATCHCRITERIA_FORWARDED, "forwarded"},
  79         {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
  80         {MATCHCRITERIA_LOCKED, "locked"},
  81         {MATCHCRITERIA_NOT_LOCKED, "~locked"},
  82         {MATCHCRITERIA_COLORLABEL, "colorlabel"},
  83         {MATCHCRITERIA_NOT_COLORLABEL, "~colorlabel"},
  84         {MATCHCRITERIA_IGNORE_THREAD, "ignore_thread"},
  85         {MATCHCRITERIA_NOT_IGNORE_THREAD, "~ignore_thread"},
  86         {MATCHCRITERIA_WATCH_THREAD, "watch_thread"},
  87         {MATCHCRITERIA_NOT_WATCH_THREAD, "~watch_thread"},
  88         {MATCHCRITERIA_SPAM, "spam"},
  89         {MATCHCRITERIA_NOT_SPAM, "~spam"},
  90         {MATCHCRITERIA_HAS_ATTACHMENT, "has_attachment"},
  91         {MATCHCRITERIA_HAS_NO_ATTACHMENT, "~has_attachment"},
  92         {MATCHCRITERIA_SIGNED, "signed"},
  93         {MATCHCRITERIA_NOT_SIGNED, "~signed"},
  94
  95         /* msginfo headers */
  96         {MATCHCRITERIA_SUBJECT, "subject"},
  97         {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
  98         {MATCHCRITERIA_FROM, "from"},
  99         {MATCHCRITERIA_NOT_FROM, "~from"},
 100         {MATCHCRITERIA_TO, "to"},
 101         {MATCHCRITERIA_NOT_TO, "~to"},
 102         {MATCHCRITERIA_CC, "cc"},
 103         {MATCHCRITERIA_NOT_CC, "~cc"},
 104         {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
 105         {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
 106         {MATCHCRITERIA_TAG, "tag"},
 107         {MATCHCRITERIA_NOT_TAG, "~tag"},
 108         {MATCHCRITERIA_TAGGED, "tagged"},
 109         {MATCHCRITERIA_NOT_TAGGED, "~tagged"},
 110         {MATCHCRITERIA_AGE_GREATER, "age_greater"},
 111         {MATCHCRITERIA_AGE_LOWER, "age_lower"},
 112         {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
 113         {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
 114         {MATCHCRITERIA_INREPLYTO, "inreplyto"},
 115         {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
 116         {MATCHCRITERIA_REFERENCES, "references"},
 117         {MATCHCRITERIA_NOT_REFERENCES, "~references"},
 118         {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
 119         {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
 120         {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
 121         {MATCHCRITERIA_PARTIAL, "partial"},
 122         {MATCHCRITERIA_NOT_PARTIAL, "~partial"},
 123         {MATCHCRITERIA_FOUND_IN_ADDRESSBOOK, "found_in_addressbook"},
 124         {MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK, "~found_in_addressbook"},
 125
 126         {MATCHCRITERIA_SIZE_GREATER, "size_greater"},
 127         {MATCHCRITERIA_SIZE_SMALLER, "size_smaller"},
 128         {MATCHCRITERIA_SIZE_EQUAL,   "size_equal"},
 129
 130         /* content have to be read */
 131         {MATCHCRITERIA_HEADER, "header"},
 132         {MATCHCRITERIA_NOT_HEADER, "~header"},
 133         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
 134         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
 135         {MATCHCRITERIA_MESSAGE, "message"},
 136         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
 137         {MATCHCRITERIA_BODY_PART, "body_part"},
 138         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
 139         {MATCHCRITERIA_TEST, "test"},
 140         {MATCHCRITERIA_NOT_TEST, "~test"},
 141
 142         /* match type */
 143         {MATCHTYPE_MATCHCASE, "matchcase"},
 144         {MATCHTYPE_MATCH, "match"},
 145         {MATCHTYPE_REGEXPCASE, "regexpcase"},
 146         {MATCHTYPE_REGEXP, "regexp"},
 147
 148         /* actions */
 149         {MATCHACTION_SCORE, "score"},    /* for backward compatibility */
 150         {MATCHACTION_MOVE, "move"},
 151         {MATCHACTION_COPY, "copy"},
 152         {MATCHACTION_DELETE, "delete"},
 153         {MATCHACTION_MARK, "mark"},
 154         {MATCHACTION_UNMARK, "unmark"},
 155         {MATCHACTION_LOCK, "lock"},
 156         {MATCHACTION_UNLOCK, "unlock"},
 157         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
 158         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
 159         {MATCHACTION_MARK_AS_SPAM, "mark_as_spam"},
 160         {MATCHACTION_MARK_AS_HAM, "mark_as_ham"},
 161         {MATCHACTION_FORWARD, "forward"},
 162         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
 163         {MATCHACTION_EXECUTE, "execute"},
 164         {MATCHACTION_COLOR, "color"},
 165         {MATCHACTION_REDIRECT, "redirect"},
 166         {MATCHACTION_CHANGE_SCORE, "change_score"},
 167         {MATCHACTION_SET_SCORE, "set_score"},
 168         {MATCHACTION_STOP, "stop"},
 169         {MATCHACTION_HIDE, "hide"},
 170         {MATCHACTION_IGNORE, "ignore"},
 171         {MATCHACTION_WATCH, "watch"},
 172         {MATCHACTION_ADD_TO_ADDRESSBOOK, "add_to_addressbook"},
 173         {MATCHACTION_SET_TAG, "set_tag"},
 174         {MATCHACTION_UNSET_TAG, "unset_tag"},
 175         {MATCHACTION_CLEAR_TAGS, "clear_tags"},
 176 };
 177
 178 enum {
 179         MATCH_ANY = 0,
 180         MATCH_ALL = 1,
 181         MATCH_ONE = 2
 182 };
 183
 184 extern gboolean debug_filtering_session;
 185
 186 /*!
 187  *\brief        Look up table with keywords defined in \sa matchparser_tab
 188  */
 189 static GHashTable *matchparser_hashtab;
 190
 191 /*!
 192  *\brief        Translate keyword id to keyword string
 193  *
 194  *\param        id Id of keyword
 195  *
 196  *\return       const gchar * Keyword
 197  */
 198 const gchar *get_matchparser_tab_str(gint id)
 199 {
 200         gint i;
 201
 202         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
 203                 if (matchparser_tab[i].id == id)
 204                         return matchparser_tab[i].str;
 205         }
 206         return NULL;
 207 }
 208
 209 /*!
 210  *\brief        Create keyword lookup table
 211  */
 212 static void create_matchparser_hashtab(void)
 213 {
 214         int i;
 215
 216         if (matchparser_hashtab) return;
 217         matchparser_hashtab = g_hash_table_new(g_str_hash, g_str_equal);
 218         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++)
 219                 g_hash_table_insert(matchparser_hashtab,
 220                                     matchparser_tab[i].str,
 221                                     (gpointer) &matchparser_tab[i]);
 222 }
 223
 224 /*!
 225  *\brief        Return a keyword id from a keyword string
 226  *
 227  *\param        str Keyword string
 228  *
 229  *\return       gint Keyword id
 230  */
 231 gint get_matchparser_tab_id(const gchar *str)
 232 {
 233         MatchParser *res;
 234
 235         if (NULL != (res = g_hash_table_lookup(matchparser_hashtab, str))) {
 236                 return res->id;
 237         } else
 238                 return -1;
 239 }
 240
 241 /* **************** data structure allocation **************** */
 242
 243 /*!
 244  *\brief        Allocate a structure for a filtering / scoring
 245  *              "condition" (a matcher structure)
 246  *
 247  *\param        criteria Criteria ID (MATCHCRITERIA_XXXX)
 248  *\param        header Header string (if criteria is MATCHCRITERIA_HEADER
 249                         or MATCHCRITERIA_FOUND_IN_ADDRESSBOOK)
 250  *\param        matchtype Type of action (MATCHTYPE_XXX)
 251  *\param        expr String value or expression to check
 252  *\param        value Integer value to check
 253  *
 254  *\return       MatcherProp * Pointer to newly allocated structure
 255  */
 256 MatcherProp *matcherprop_new(gint criteria, const gchar *header,
 257                               gint matchtype, const gchar *expr,
 258                               int value)
 259 {
 260         MatcherProp *prop;
 261
 262         prop = g_new0(MatcherProp, 1);
 263         prop->criteria = criteria;
 264         prop->header = header != NULL ? g_strdup(header) : NULL;
 265
 266         prop->expr = expr != NULL ? g_strdup(expr) : NULL;
 267
 268         prop->matchtype = matchtype;
 269         prop->preg = NULL;
 270         prop->value = value;
 271         prop->error = 0;
 272
 273         return prop;
 274 }
 275
 276 /*!
 277  *\brief        Free a matcher structure
 278  *
 279  *\param        prop Pointer to matcher structure allocated with
 280  *              #matcherprop_new
 281  */
 282 void matcherprop_free(MatcherProp *prop)
 283 {
 284         g_free(prop->expr);
 285         g_free(prop->header);
 286         if (prop->preg != NULL) {
 287                 regfree(prop->preg);
 288                 g_free(prop->preg);
 289         }
 290         g_free(prop);
 291 }
 292
 293 /*!
 294  *\brief        Copy a matcher structure
 295  *
 296  *\param        src Matcher structure to copy
 297  *
 298  *\return       MatcherProp * Pointer to newly allocated matcher structure
 299  */
 300 MatcherProp *matcherprop_copy(const MatcherProp *src)
 301 {
 302         MatcherProp *prop = g_new0(MatcherProp, 1);
 303
 304         prop->criteria = src->criteria;
 305         prop->header = src->header ? g_strdup(src->header) : NULL;
 306         prop->expr = src->expr ? g_strdup(src->expr) : NULL;
 307         prop->matchtype = src->matchtype;
 308
 309         prop->preg = NULL; /* will be re-evaluated */
 310         prop->value = src->value;
 311         prop->error = src->error;
 312         return prop;
 313 }
 314
 315 /* ************** match ******************************/
 316
 317 static gboolean match_with_addresses_in_addressbook
 318         (MatcherProp *prop, GSList *address_list, gint type,
 319          gchar* folderpath, gint match)
 320 {
 321         GSList *walk = NULL;
 322         gboolean found = FALSE;
 323         gchar *path = NULL;
 324
 325         cm_return_val_if_fail(address_list != NULL, FALSE);
 326
 327         debug_print("match_with_addresses_in_addressbook(%d, %s)\n",
 328                                 g_slist_length(address_list), folderpath?folderpath:"(null)");
 329
 330         if (folderpath == NULL ||
 331                 strcasecmp(folderpath, "Any") == 0 ||
 332                 *folderpath == '\0')
 333                 path = NULL;
 334         else
 335                 path = folderpath;
 336
 337         start_address_completion(path);
 338
 339         for (walk = address_list; walk != NULL; walk = walk->next) {
 340                 /* exact matching of email address */
 341                 guint num_addr = complete_address(walk->data);
 342                 found = FALSE;
 343                 if (num_addr > 1) {
 344                         /* skip first item (this is the search string itself) */
 345                         int i = 1;
 346                         for (; i < num_addr && !found; i++) {
 347                                 gchar *addr = get_complete_address(i);
 348                                 extract_address(addr);
 349                                 if (strcasecmp(addr, walk->data) == 0) {
 350                                         found = TRUE;
 351
 352                                         /* debug output */
 353                                         if (debug_filtering_session
 354                                                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 355                                                 log_print(LOG_DEBUG_FILTERING,
 356                                                                 "address [ %s ] matches\n",
 357                                                                 (gchar *)walk->data);
 358                                         }
 359                                 }
 360                                 g_free(addr);
 361                         }
 362                 }
 363                 /* debug output */
 364                 if (debug_filtering_session
 365                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH
 366                                 && !found) {
 367                         log_print(LOG_DEBUG_FILTERING,
 368                                         "address [ %s ] does NOT match\n",
 369                                         (gchar *)walk->data);
 370                 }
 371                 g_free(walk->data);
 372
 373                 if (match == MATCH_ALL) {
 374                         /* if matching all addresses, stop if one doesn't match */
 375                         if (!found) {
 376                                 /* debug output */
 377                                 if (debug_filtering_session
 378                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 379                                         log_print(LOG_DEBUG_FILTERING,
 380                                                         "not all address match (matching all)\n");
 381                                 }
 382                                 break;
 383                         }
 384                 } else if (match == MATCH_ANY) {
 385                         /* if matching any address, stop if one does match */
 386                         if (found) {
 387                                 /* debug output */
 388                                 if (debug_filtering_session
 389                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 390                                         log_print(LOG_DEBUG_FILTERING,
 391                                                         "at least one address matches (matching any)\n");
 392                                 }
 393                                 break;
 394                         }
 395                 }
 396                 /* MATCH_ONE: there should be only one loop iteration */
 397         }
 398
 399         end_address_completion();
 400
 401         return found;
 402 }
 403
 404 /*!
 405  *\brief        Find out if a string matches a condition
 406  *
 407  *\param        prop Matcher structure
 408  *\param        str String to check
 409  *
 410  *\return       gboolean TRUE if str matches the condition in the
 411  *              matcher structure
 412  */
 413 static gboolean matcherprop_string_match(MatcherProp *prop, const gchar *str,
 414                                          const gchar *debug_context)
 415 {
 416         gchar *str1;
 417         gchar *down_expr;
 418         gboolean ret = FALSE;
 419         gboolean should_free = FALSE;
 420         if (str == NULL)
 421                 return FALSE;
 422
 423         if (prop->matchtype == MATCHTYPE_REGEXPCASE ||
 424             prop->matchtype == MATCHTYPE_MATCHCASE) {
 425                 str1 = g_utf8_casefold(str, -1);
 426                 down_expr = g_utf8_casefold(prop->expr, -1);
 427                 should_free = TRUE;
 428         } else {
 429                 str1 = (gchar *)str;
 430                 down_expr = (gchar *)prop->expr;
 431                 should_free = FALSE;
 432         }
 433
 434         switch (prop->matchtype) {
 435         case MATCHTYPE_REGEXPCASE:
 436         case MATCHTYPE_REGEXP:
 437 #ifndef G_OS_WIN32
 438                 if (!prop->preg && (prop->error == 0)) {
 439                         prop->preg = g_new0(regex_t, 1);
 440                         /* if regexp then don't use the escaped string */
 441                         if (regcomp(prop->preg, down_expr,
 442                                     REG_NOSUB | REG_EXTENDED
 443                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 444                                     ? REG_ICASE : 0)) != 0) {
 445                                 prop->error = 1;
 446                                 g_free(prop->preg);
 447                                 prop->preg = NULL;
 448                         }
 449                 }
 450                 if (prop->preg == NULL) {
 451                         ret = FALSE;
 452                         goto free_strs;
 453                 }
 454
 455                 if (regexec(prop->preg, str1, 0, NULL, 0) == 0)
 456                         ret = TRUE;
 457                 else
 458                         ret = FALSE;
 459
 460                 /* debug output */
 461                 if (debug_filtering_session
 462                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 463                         gchar *stripped = g_strdup(str);
 464
 465                         strretchomp(stripped);
 466                         if (ret) {
 467                                 log_print(LOG_DEBUG_FILTERING,
 468                                                 "%s value [ %s ] matches regular expression [ %s ] (%s)\n",
 469                                                 debug_context, stripped, prop->expr,
 470                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 471                         } else {
 472                                 log_print(LOG_DEBUG_FILTERING,
 473                                                 "%s value [ %s ] does NOT match regular expression [ %s ] (%s)\n",
 474                                                 debug_context, stripped, prop->expr,
 475                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 476                         }
 477                         g_free(stripped);
 478                 }
 479                 break;
 480 #endif
 481         case MATCHTYPE_MATCHCASE:
 482         case MATCHTYPE_MATCH:
 483                 ret = (strstr(str1, down_expr) != NULL);
 484
 485                 /* debug output */
 486                 if (debug_filtering_session
 487                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 488                         gchar *stripped = g_strdup(str);
 489
 490                         strretchomp(stripped);
 491                         if (ret) {
 492                                 log_print(LOG_DEBUG_FILTERING,
 493                                                 "%s value [ %s ] contains [ %s ] (%s)\n",
 494                                                 debug_context, stripped, prop->expr,
 495                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 496                         } else {
 497                                 log_print(LOG_DEBUG_FILTERING,
 498                                                 "%s value [ %s ] does NOT contain [ %s ] (%s)\n",
 499                                                 debug_context, stripped, prop->expr,
 500                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 501                         }
 502                         g_free(stripped);
 503                 }
 504                 break;
 505
 506         default:
 507                 break;
 508         }
 509
 510 free_strs:
 511         if (should_free) {
 512                 g_free(str1);
 513                 g_free(down_expr);
 514         }
 515         return ret;
 516 }
 517
 518 /*!
 519  *\brief        Find out if a tag matches a condition
 520  *
 521  *\param        prop Matcher structure
 522  *\param        msginfo message to check
 523  *
 524  *\return       gboolean TRUE if msginfo matches the condition in the
 525  *              matcher structure
 526  */
 527 static gboolean matcherprop_tag_match(MatcherProp *prop, MsgInfo *msginfo,
 528                                          const gchar *debug_context)
 529 {
 530         gboolean ret = FALSE;
 531         GSList *cur;
 532
 533         if (msginfo == NULL || msginfo->tags == NULL)
 534                 return FALSE;
 535
 536         for (cur = msginfo->tags; cur; cur = cur->next) {
 537                 const gchar *str = tags_get_tag(GPOINTER_TO_INT(cur->data));
 538                 if (!str)
 539                         continue;
 540                 if (matcherprop_string_match(prop, str, debug_context)) {
 541                         ret = TRUE;
 542                         break;
 543                 }
 544         }
 545         return ret;
 546 }
 547
 548 /*!
 549  *\brief        Find out if the string-ed list matches a condition
 550  *
 551  *\param        prop Matcher structure
 552  *\param        list GSList of strings to check
 553  *
 554  *\return       gboolean TRUE if str matches the condition in the
 555  *              matcher structure
 556  */
 557 static gboolean matcherprop_list_match(MatcherProp *prop, const GSList *list,
 558 const gchar *debug_context)
 559 {
 560         const GSList *cur;
 561
 562         for(cur = list; cur != NULL; cur = cur->next) {
 563                 if (matcherprop_string_match(prop, (gchar *)cur->data, debug_context))
 564                         return TRUE;
 565         }
 566         return FALSE;
 567 }
 568
 569 static gboolean matcherprop_header_line_match(MatcherProp *prop, const gchar *hdr,
 570                                               const gchar *str, const gchar *debug_context)
 571 {
 572         gchar *line = NULL;
 573         gboolean res = FALSE;
 574
 575         if (hdr == NULL || str == NULL)
 576                 return FALSE;
 577
 578         line = g_strdup_printf("%s %s", hdr, str);
 579         res = matcherprop_string_match(prop, line, debug_context);
 580         g_free(line);
 581
 582         return res;
 583 }
 584
 585 #ifdef USE_PTHREAD
 586 typedef struct _thread_data {
 587         const gchar *cmd;
 588         gboolean done;
 589 } thread_data;
 590 #endif
 591
 592 #ifdef USE_PTHREAD
 593 static void *matcher_test_thread(void *data)
 594 {
 595         thread_data *td = (thread_data *)data;
 596         int result = -1;
 597
 598         pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
 599         pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
 600
 601         result = system(td->cmd);
 602         td->done = TRUE; /* let the caller thread join() */
 603         return GINT_TO_POINTER(result);
 604 }
 605 #endif
 606
 607 /*!
 608  *\brief        Execute a command defined in the matcher structure
 609  *
 610  *\param        prop Pointer to matcher structure
 611  *\param        info Pointer to message info structure
 612  *
 613  *\return       gboolean TRUE if command was executed succesfully
 614  */
 615 static gboolean matcherprop_match_test(const MatcherProp *prop,
 616                                           MsgInfo *info)
 617 {
 618         gchar *file;
 619         gchar *cmd;
 620         gint retval;
 621 #ifdef USE_PTHREAD
 622         pthread_t pt;
 623         pthread_attr_t pta;
 624         thread_data *td = g_new0(thread_data, 1);
 625         void *res = NULL;
 626         time_t start_time = time(NULL);
 627 #endif
 628
 629         file = procmsg_get_message_file(info);
 630         if (file == NULL) {
 631 #ifdef USE_PTHREAD
 632                 g_free(td);
 633 #endif
 634                 return FALSE;
 635         }
 636         g_free(file);
 637
 638         cmd = matching_build_command(prop->expr, info);
 639         if (cmd == NULL) {
 640 #ifdef USE_PTHREAD
 641                 g_free(td);
 642 #endif
 643                 return FALSE;
 644 }
 645
 646 #ifdef USE_PTHREAD
 647         /* debug output */
 648         if (debug_filtering_session
 649                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 650                 log_print(LOG_DEBUG_FILTERING,
 651                                 "starting threaded command [ %s ]\n",
 652                                 cmd);
 653         }
 654
 655         td->cmd = cmd;
 656         td->done = FALSE;
 657         if (pthread_attr_init(&pta) != 0 ||
 658             pthread_attr_setdetachstate(&pta, PTHREAD_CREATE_JOINABLE) != 0 ||
 659             pthread_create(&pt, &pta, matcher_test_thread, td) != 0)
 660                 retval = system(cmd);
 661         else {
 662                 debug_print("waiting for test thread\n");
 663                 while(!td->done) {
 664                         /* don't let the interface freeze while waiting */
 665                         claws_do_idle();
 666                         if (time(NULL) - start_time > 30) {
 667                                 pthread_cancel(pt);
 668                                 td->done = TRUE;
 669                                 retval = -1;
 670                         }
 671                 }
 672                 pthread_join(pt, &res);
 673                 retval = GPOINTER_TO_INT(res);
 674                 debug_print(" test thread returned %d\n", retval);
 675         }
 676         g_free(td);
 677 #else
 678         /* debug output */
 679         if (debug_filtering_session
 680                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 681                 log_print(LOG_DEBUG_FILTERING,
 682                                 "starting synchronous command [ %s ]\n",
 683                                 cmd);
 684         }
 685
 686         retval = system(cmd);
 687 #endif
 688         debug_print("Command exit code: %d\n", retval);
 689
 690         /* debug output */
 691         if (debug_filtering_session
 692                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 693                 log_print(LOG_DEBUG_FILTERING,
 694                                 "command returned [ %d ]\n",
 695                                 retval);
 696         }
 697
 698         g_free(cmd);
 699         return (retval == 0);
 700 }
 701
 702 /*!
 703  *\brief        Check if a message matches the condition in a matcher
 704  *              structure.
 705  *
 706  *\param        prop Pointer to matcher structure
 707  *\param        info Pointer to message info
 708  *
 709  *\return       gboolean TRUE if a match
 710  */
 711 static gboolean matcherprop_match(MatcherProp *prop,
 712                                   MsgInfo *info)
 713 {
 714         time_t t;
 715
 716         switch(prop->criteria) {
 717         case MATCHCRITERIA_ALL:
 718                 return TRUE;
 719         case MATCHCRITERIA_UNREAD:
 720                 return MSG_IS_UNREAD(info->flags);
 721         case MATCHCRITERIA_NOT_UNREAD:
 722                 return !MSG_IS_UNREAD(info->flags);
 723         case MATCHCRITERIA_NEW:
 724                 return MSG_IS_NEW(info->flags);
 725         case MATCHCRITERIA_NOT_NEW:
 726                 return !MSG_IS_NEW(info->flags);
 727         case MATCHCRITERIA_MARKED:
 728                 return MSG_IS_MARKED(info->flags);
 729         case MATCHCRITERIA_NOT_MARKED:
 730                 return !MSG_IS_MARKED(info->flags);
 731         case MATCHCRITERIA_DELETED:
 732                 return MSG_IS_DELETED(info->flags);
 733         case MATCHCRITERIA_NOT_DELETED:
 734                 return !MSG_IS_DELETED(info->flags);
 735         case MATCHCRITERIA_REPLIED:
 736                 return MSG_IS_REPLIED(info->flags);
 737         case MATCHCRITERIA_NOT_REPLIED:
 738                 return !MSG_IS_REPLIED(info->flags);
 739         case MATCHCRITERIA_FORWARDED:
 740                 return MSG_IS_FORWARDED(info->flags);
 741         case MATCHCRITERIA_NOT_FORWARDED:
 742                 return !MSG_IS_FORWARDED(info->flags);
 743         case MATCHCRITERIA_LOCKED:
 744                 return MSG_IS_LOCKED(info->flags);
 745         case MATCHCRITERIA_NOT_LOCKED:
 746                 return !MSG_IS_LOCKED(info->flags);
 747         case MATCHCRITERIA_SPAM:
 748                 return MSG_IS_SPAM(info->flags);
 749         case MATCHCRITERIA_NOT_SPAM:
 750                 return !MSG_IS_SPAM(info->flags);
 751         case MATCHCRITERIA_HAS_ATTACHMENT:
 752                 return MSG_IS_WITH_ATTACHMENT(info->flags);
 753         case MATCHCRITERIA_HAS_NO_ATTACHMENT:
 754                 return !MSG_IS_WITH_ATTACHMENT(info->flags);
 755         case MATCHCRITERIA_SIGNED:
 756                 return MSG_IS_SIGNED(info->flags);
 757         case MATCHCRITERIA_NOT_SIGNED:
 758                 return !MSG_IS_SIGNED(info->flags);
 759         case MATCHCRITERIA_COLORLABEL:
 760         {
 761                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 762                 gboolean ret = (color == prop->value);
 763
 764                 /* debug output */
 765                 if (debug_filtering_session
 766                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 767                         if (ret) {
 768                                 log_print(LOG_DEBUG_FILTERING,
 769                                                 "message color value [ %d ] matches color value [ %d ]\n",
 770                                                 color, prop->value);
 771                         } else {
 772                                 log_print(LOG_DEBUG_FILTERING,
 773                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 774                                                 color, prop->value);
 775                         }
 776                 }
 777                 return ret;
 778         }
 779         case MATCHCRITERIA_NOT_COLORLABEL:
 780         {
 781                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 782                 gboolean ret = (color != prop->value);
 783
 784                 /* debug output */
 785                 if (debug_filtering_session
 786                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 787                         if (ret) {
 788                                 log_print(LOG_DEBUG_FILTERING,
 789                                                 "message color value [ %d ] matches color value [ %d ]\n",
 790                                                 color, prop->value);
 791                         } else {
 792                                 log_print(LOG_DEBUG_FILTERING,
 793                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 794                                                 color, prop->value);
 795                         }
 796                 }
 797                 return ret;
 798         }
 799         case MATCHCRITERIA_IGNORE_THREAD:
 800                 return MSG_IS_IGNORE_THREAD(info->flags);
 801         case MATCHCRITERIA_NOT_IGNORE_THREAD:
 802                 return !MSG_IS_IGNORE_THREAD(info->flags);
 803         case MATCHCRITERIA_WATCH_THREAD:
 804                 return MSG_IS_WATCH_THREAD(info->flags);
 805         case MATCHCRITERIA_NOT_WATCH_THREAD:
 806                 return !MSG_IS_WATCH_THREAD(info->flags);
 807         case MATCHCRITERIA_SUBJECT:
 808                 return matcherprop_string_match(prop, info->subject,
 809                                                 prefs_common_translated_header_name("Subject:"));
 810         case MATCHCRITERIA_NOT_SUBJECT:
 811                 return !matcherprop_string_match(prop, info->subject,
 812                                                 prefs_common_translated_header_name("Subject:"));
 813         case MATCHCRITERIA_FROM:
 814         case MATCHCRITERIA_NOT_FROM:
 815         {
 816                 gchar *context;
 817                 gboolean ret;
 818
 819                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("From:"));
 820                 ret = matcherprop_string_match(prop, info->from, context);
 821                 g_free(context);
 822                 return (prop->criteria == MATCHCRITERIA_FROM)? ret : !ret;
 823         }
 824         case MATCHCRITERIA_TO:
 825         case MATCHCRITERIA_NOT_TO:
 826         {
 827                 gchar *context;
 828                 gboolean ret;
 829
 830                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 831                 ret = matcherprop_string_match(prop, info->to, context);
 832                 g_free(context);
 833                 return (prop->criteria == MATCHCRITERIA_TO)? ret : !ret;
 834         }
 835         case MATCHCRITERIA_CC:
 836         case MATCHCRITERIA_NOT_CC:
 837         {
 838                 gchar *context;
 839                 gboolean ret;
 840
 841                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 842                 ret = matcherprop_string_match(prop, info->cc, context);
 843                 g_free(context);
 844                 return (prop->criteria == MATCHCRITERIA_CC)? ret : !ret;
 845         }
 846         case MATCHCRITERIA_TO_OR_CC:
 847         {
 848                 gchar *context1, *context2;
 849                 gboolean ret;
 850
 851                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 852                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 853                 ret = matcherprop_string_match(prop, info->to, context1)
 854                         || matcherprop_string_match(prop, info->cc, context2);
 855                 g_free(context1);
 856                 g_free(context2);
 857                 return ret;
 858         }
 859         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 860         {
 861                 gchar *context1, *context2;
 862                 gboolean ret;
 863
 864                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 865                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 866                 ret = !(matcherprop_string_match(prop, info->to, context1)
 867                         || matcherprop_string_match(prop, info->cc, context2));
 868                 g_free(context1);
 869                 g_free(context2);
 870                 return ret;
 871         }
 872         case MATCHCRITERIA_TAG:
 873         case MATCHCRITERIA_NOT_TAG:
 874         {
 875                 gboolean ret;
 876
 877                 ret = matcherprop_tag_match(prop, info, _("Tag"));
 878                 return (prop->criteria == MATCHCRITERIA_TAG)? ret : !ret;
 879         }
 880         case MATCHCRITERIA_TAGGED:
 881         case MATCHCRITERIA_NOT_TAGGED:
 882         {
 883                 gboolean ret;
 884
 885                 ret = (info->tags != NULL);
 886                 return (prop->criteria == MATCHCRITERIA_TAGGED)? ret : !ret;
 887         }
 888         case MATCHCRITERIA_AGE_GREATER:
 889         {
 890                 gboolean ret;
 891                 gint age;
 892
 893                 t = time(NULL);
 894                 age = ((t - info->date_t) / (60 * 60 * 24));
 895                 ret = (age >= prop->value);
 896
 897                 /* debug output */
 898                 if (debug_filtering_session
 899                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 900                         if (ret) {
 901                                 log_print(LOG_DEBUG_FILTERING,
 902                                                 "message age [ %d ] is greater than [ %d ]\n",
 903                                                 age, prop->value);
 904                         } else {
 905                                 log_print(LOG_DEBUG_FILTERING,
 906                                                 "message age [ %d ] is not greater than [ %d ]\n",
 907                                                 age, prop->value);
 908                         }
 909                 }
 910                 return ret;
 911         }
 912         case MATCHCRITERIA_AGE_LOWER:
 913         {
 914                 gboolean ret;
 915                 gint age;
 916
 917                 t = time(NULL);
 918                 age = ((t - info->date_t) / (60 * 60 * 24));
 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 lower than [ %d ]\n",
 927                                                 age, prop->value);
 928                         } else {
 929                                 log_print(LOG_DEBUG_FILTERING,
 930                                                 "message age [ %d ] is not lower than [ %d ]\n",
 931                                                 age, prop->value);
 932                         }
 933                 }
 934                 return ret;
 935         }
 936         case MATCHCRITERIA_SCORE_GREATER:
 937         {
 938                 gboolean ret = (info->score > prop->value);
 939
 940                 /* debug output */
 941                 if (debug_filtering_session
 942                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 943                         if (ret) {
 944                                 log_print(LOG_DEBUG_FILTERING,
 945                                                 "message score [ %d ] is greater than [ %d ]\n",
 946                                                 info->score, prop->value);
 947                         } else {
 948                                 log_print(LOG_DEBUG_FILTERING,
 949                                                 "message score [ %d ] is not greater than [ %d ]\n",
 950                                                 info->score, prop->value);
 951                         }
 952                 }
 953                 return ret;
 954         }
 955         case MATCHCRITERIA_SCORE_LOWER:
 956         {
 957                 gboolean ret = (info->score < prop->value);
 958
 959                 /* debug output */
 960                 if (debug_filtering_session
 961                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 962                         if (ret) {
 963                                 log_print(LOG_DEBUG_FILTERING,
 964                                                 "message score [ %d ] is lower than [ %d ]\n",
 965                                                 info->score, prop->value);
 966                         } else {
 967                                 log_print(LOG_DEBUG_FILTERING,
 968                                                 "message score [ %d ] is not lower than [ %d ]\n",
 969                                                 info->score, prop->value);
 970                         }
 971                 }
 972                 return ret;
 973         }
 974         case MATCHCRITERIA_SCORE_EQUAL:
 975         {
 976                 gboolean ret = (info->score == prop->value);
 977
 978                 /* debug output */
 979                 if (debug_filtering_session
 980                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 981                         if (ret) {
 982                                 log_print(LOG_DEBUG_FILTERING,
 983                                                 "message score [ %d ] is equal to [ %d ]\n",
 984                                                 info->score, prop->value);
 985                         } else {
 986                                 log_print(LOG_DEBUG_FILTERING,
 987                                                 "message score [ %d ] is not equal to [ %d ]\n",
 988                                                 info->score, prop->value);
 989                         }
 990                 }
 991                 return ret;
 992         }
 993         case MATCHCRITERIA_SIZE_GREATER:
 994         {
 995                 /* FIXME: info->size is a goffset */
 996                 gboolean ret = (info->size > (goffset) prop->value);
 997
 998                 /* debug output */
 999                 if (debug_filtering_session
1000                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1001                         if (ret) {
1002                                 log_print(LOG_DEBUG_FILTERING,
1003                                                 "message size is greater than [ %d ]\n",
1004                                                 prop->value);
1005                         } else {
1006                                 log_print(LOG_DEBUG_FILTERING,
1007                                                 "message size is not greater than [ %d ]\n",
1008                                                 prop->value);
1009                         }
1010                 }
1011                 return ret;
1012         }
1013         case MATCHCRITERIA_SIZE_SMALLER:
1014         {
1015                 /* FIXME: info->size is a goffset */
1016                 gboolean ret = (info->size < (goffset) prop->value);
1017
1018                 /* debug output */
1019                 if (debug_filtering_session
1020                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1021                         if (ret) {
1022                                 log_print(LOG_DEBUG_FILTERING,
1023                                                 "message size is smaller than [ %d ]\n",
1024                                                 prop->value);
1025                         } else {
1026                                 log_print(LOG_DEBUG_FILTERING,
1027                                                 "message size is not smaller than [ %d ]\n",
1028                                                 prop->value);
1029                         }
1030                 }
1031                 return ret;
1032         }
1033         case MATCHCRITERIA_SIZE_EQUAL:
1034         {
1035                 /* FIXME: info->size is a goffset */
1036                 gboolean ret = (info->size == (goffset) prop->value);
1037
1038                 /* debug output */
1039                 if (debug_filtering_session
1040                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1041                         if (ret) {
1042                                 log_print(LOG_DEBUG_FILTERING,
1043                                                 "message size is equal to [ %d ]\n",
1044                                                 prop->value);
1045                         } else {
1046                                 log_print(LOG_DEBUG_FILTERING,
1047                                                 "message size is not equal to [ %d ]\n",
1048                                                 prop->value);
1049                         }
1050                 }
1051                 return ret;
1052         }
1053         case MATCHCRITERIA_PARTIAL:
1054         {
1055                 /* FIXME: info->size is a goffset */
1056                 gboolean ret = (info->total_size != 0 && info->size != (goffset)info->total_size);
1057
1058                 /* debug output */
1059                 if (debug_filtering_session
1060                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1061                         if (ret) {
1062                                 log_print(LOG_DEBUG_FILTERING,
1063                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1064                                                 info->total_size);
1065                         } else {
1066                                 log_print(LOG_DEBUG_FILTERING,
1067                                                 "message is not partially downloaded\n");
1068                         }
1069                 }
1070                 return ret;
1071         }
1072         case MATCHCRITERIA_NOT_PARTIAL:
1073         {
1074                 /* FIXME: info->size is a goffset */
1075                 gboolean ret = (info->total_size == 0 || info->size == (goffset)info->total_size);
1076
1077                 /* debug output */
1078                 if (debug_filtering_session
1079                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1080                         if (ret) {
1081                                 log_print(LOG_DEBUG_FILTERING,
1082                                                 "message is not partially downloaded\n");
1083                         } else {
1084                                 log_print(LOG_DEBUG_FILTERING,
1085                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1086                                                 info->total_size);
1087                         }
1088                 }
1089                 return ret;
1090         }
1091         case MATCHCRITERIA_NEWSGROUPS:
1092         case MATCHCRITERIA_NOT_NEWSGROUPS:
1093         {
1094                 gchar *context;
1095                 gboolean ret;
1096
1097                 context = g_strdup_printf(_("%s header"),
1098                                                 prefs_common_translated_header_name("Newsgroups:"));
1099                 ret = matcherprop_string_match(prop, info->newsgroups, context);
1100                 g_free(context);
1101                 return (prop->criteria == MATCHCRITERIA_NEWSGROUPS)? ret : !ret;
1102         }
1103         case MATCHCRITERIA_INREPLYTO:
1104         case MATCHCRITERIA_NOT_INREPLYTO:
1105         {
1106                 gchar *context;
1107                 gboolean ret;
1108
1109                 context = g_strdup_printf(_("%s header"),
1110                                                 prefs_common_translated_header_name("In-Reply-To:"));
1111                 ret = matcherprop_string_match(prop, info->inreplyto, context);
1112                 g_free(context);
1113                 return (prop->criteria == MATCHCRITERIA_INREPLYTO)? ret : !ret;
1114         }
1115         case MATCHCRITERIA_REFERENCES:
1116         case MATCHCRITERIA_NOT_REFERENCES:
1117         {
1118                 gchar *context;
1119                 gboolean ret;
1120
1121                 context = g_strdup_printf(_("%s header"),
1122                                                 prefs_common_translated_header_name("References:"));
1123                 ret = matcherprop_list_match(prop, info->references, context);
1124                 g_free(context);
1125                 return (prop->criteria == MATCHCRITERIA_REFERENCES)? ret : !ret;
1126         }
1127         case MATCHCRITERIA_TEST:
1128                 return matcherprop_match_test(prop, info);
1129         case MATCHCRITERIA_NOT_TEST:
1130                 return !matcherprop_match_test(prop, info);
1131         default:
1132                 return FALSE;
1133         }
1134 }
1135
1136 /* ********************* MatcherList *************************** */
1137
1138 /*!
1139  *\brief        Create a new list of matchers
1140  *
1141  *\param        matchers List of matcher structures
1142  *\param        bool_and Operator
1143  *
1144  *\return       MatcherList * New list
1145  */
1146 MatcherList *matcherlist_new(GSList *matchers, gboolean bool_and)
1147 {
1148         MatcherList *cond;
1149
1150         cond = g_new0(MatcherList, 1);
1151
1152         cond->matchers = matchers;
1153         cond->bool_and = bool_and;
1154
1155         return cond;
1156 }
1157
1158 /*!
1159  *\brief        Frees a list of matchers
1160  *
1161  *\param        cond List of matchers
1162  */
1163 void matcherlist_free(MatcherList *cond)
1164 {
1165         GSList *l;
1166
1167         cm_return_if_fail(cond);
1168         for (l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
1169                 matcherprop_free((MatcherProp *) l->data);
1170         }
1171         g_slist_free(cond->matchers);
1172         g_free(cond);
1173 }
1174
1175 /*!
1176  *\brief        Skip all headers in a message file
1177  *
1178  *\param        fp Message file
1179  */
1180 static void matcherlist_skip_headers(FILE *fp)
1181 {
1182         gchar buf[BUFFSIZE];
1183
1184         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
1185                 ;
1186 }
1187
1188 /*!
1189  *\brief        Check if a header matches a matcher condition
1190  *
1191  *\param        matcher Matcher structure to check header for
1192  *\param        buf Header name
1193  *
1194  *\return       boolean TRUE if matching header
1195  */
1196 static gboolean matcherprop_match_one_header(MatcherProp *matcher,
1197                                              gchar *buf)
1198 {
1199         gboolean result = FALSE;
1200         Header *header = NULL;
1201
1202         switch (matcher->criteria) {
1203         case MATCHCRITERIA_HEADER:
1204         case MATCHCRITERIA_NOT_HEADER:
1205                 header = procheader_parse_header(buf);
1206                 if (!header)
1207                         return FALSE;
1208                 if (procheader_headername_equal(header->name,
1209                                                 matcher->header)) {
1210                         if (matcher->criteria == MATCHCRITERIA_HEADER)
1211                                 result = matcherprop_string_match(matcher, header->body, _("header"));
1212                         else
1213                                 result = !matcherprop_string_match(matcher, header->body, _("header"));
1214                         procheader_header_free(header);
1215                         return result;
1216                 }
1217                 else {
1218                         procheader_header_free(header);
1219                 }
1220                 break;
1221         case MATCHCRITERIA_HEADERS_PART:
1222         case MATCHCRITERIA_MESSAGE:
1223                 header = procheader_parse_header(buf);
1224                 if (!header)
1225                         return FALSE;
1226                 result = matcherprop_header_line_match(matcher,
1227                                header->name, header->body, _("header line"));
1228                 procheader_header_free(header);
1229                 return result;
1230         case MATCHCRITERIA_NOT_HEADERS_PART:
1231         case MATCHCRITERIA_NOT_MESSAGE:
1232                 header = procheader_parse_header(buf);
1233                 if (!header)
1234                         return FALSE;
1235                 result = !matcherprop_header_line_match(matcher,
1236                                header->name, header->body, _("header line"));
1237                 procheader_header_free(header);
1238                 return result;
1239         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1240         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1241                 {
1242                         GSList *address_list = NULL;
1243                         gint match = MATCH_ONE;
1244                         gboolean found = FALSE;
1245
1246                         /* how many address headers are me trying to mach? */
1247                         if (strcasecmp(matcher->header, "Any") == 0)
1248                                 match = MATCH_ANY;
1249                         else if (strcasecmp(matcher->header, "All") == 0)
1250                                         match = MATCH_ALL;
1251
1252                         if (match == MATCH_ONE) {
1253                                 /* matching one address header exactly, is that the right one? */
1254                                 header = procheader_parse_header(buf);
1255                                 if (!header ||
1256                                                 !procheader_headername_equal(header->name, matcher->header))
1257                                         return FALSE;
1258                                 address_list = address_list_append(address_list, header->body);
1259                                 if (address_list == NULL)
1260                                         return FALSE;
1261
1262                         } else {
1263                                 header = procheader_parse_header(buf);
1264                                 if (!header)
1265                                         return FALSE;
1266                                 /* address header is one of the headers we have to match when checking
1267                                    for any address header or all address headers? */
1268                                 if (procheader_headername_equal(header->name, "From") ||
1269                                          procheader_headername_equal(header->name, "To") ||
1270                                          procheader_headername_equal(header->name, "Cc") ||
1271                                          procheader_headername_equal(header->name, "Reply-To") ||
1272                                          procheader_headername_equal(header->name, "Sender"))
1273                                         address_list = address_list_append(address_list, header->body);
1274                                 if (address_list == NULL)
1275                                         return FALSE;
1276                         }
1277
1278                         found = match_with_addresses_in_addressbook
1279                                                         (matcher, address_list, matcher->criteria,
1280                                                          matcher->expr, match);
1281                         g_slist_free(address_list);
1282
1283                         if (matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK)
1284                                 return !found;
1285                         else
1286                                 return found;
1287         }
1288         }
1289
1290         return FALSE;
1291 }
1292
1293 /*!
1294  *\brief        Check if the matcher structure wants headers to
1295  *              be matched
1296  *
1297  *\param        matcher Matcher structure
1298  *
1299  *\return       gboolean TRUE if the matcher structure describes
1300  *              a header match condition
1301  */
1302 static gboolean matcherprop_criteria_headers(const MatcherProp *matcher)
1303 {
1304         switch (matcher->criteria) {
1305         case MATCHCRITERIA_HEADER:
1306         case MATCHCRITERIA_NOT_HEADER:
1307         case MATCHCRITERIA_HEADERS_PART:
1308         case MATCHCRITERIA_NOT_HEADERS_PART:
1309         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1310         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1311                 return TRUE;
1312         default:
1313                 return FALSE;
1314         }
1315 }
1316
1317 /*!
1318  *\brief        Check if the matcher structure wants the message
1319  *              to be matched (just perform an action on any
1320  *              message)
1321  *
1322  *\param        matcher Matcher structure
1323  *
1324  *\return       gboolean TRUE if matcher condition should match
1325  *              a message
1326  */
1327 static gboolean matcherprop_criteria_message(MatcherProp *matcher)
1328 {
1329         switch (matcher->criteria) {
1330         case MATCHCRITERIA_MESSAGE:
1331         case MATCHCRITERIA_NOT_MESSAGE:
1332                 return TRUE;
1333         default:
1334                 return FALSE;
1335         }
1336 }
1337
1338 /*!
1339  *\brief        Check if a list of conditions matches one header in
1340  *              a message file.
1341  *
1342  *\param        matchers List of conditions
1343  *\param        fp Message file
1344  *
1345  *\return       gboolean TRUE if one of the headers is matched by
1346  *              the list of conditions.
1347  */
1348 static gboolean matcherlist_match_headers(MatcherList *matchers, FILE *fp)
1349 {
1350         GSList *l;
1351         gchar buf[BUFFSIZE];
1352
1353         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
1354                 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1355                         MatcherProp *matcher = (MatcherProp *) l->data;
1356                         gint match = MATCH_ANY;
1357
1358                         if (matcher->done)
1359                                 continue;
1360
1361                         /* determine the match range (all, any are our concern here) */
1362                         if (matcher->criteria == MATCHCRITERIA_NOT_HEADERS_PART ||
1363                             matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1364                                 match = MATCH_ALL;
1365
1366                         } else if (matcher->criteria == MATCHCRITERIA_FOUND_IN_ADDRESSBOOK ||
1367                                            matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK) {
1368                                 Header *header = NULL;
1369
1370                                 /* address header is one of the headers we have to match when checking
1371                                    for any address header or all address headers? */
1372                                 header = procheader_parse_header(buf);
1373                                 if (header &&
1374                                         (procheader_headername_equal(header->name, "From") ||
1375                                          procheader_headername_equal(header->name, "To") ||
1376                                          procheader_headername_equal(header->name, "Cc") ||
1377                                          procheader_headername_equal(header->name, "Reply-To") ||
1378                                          procheader_headername_equal(header->name, "Sender"))) {
1379
1380                                         if (strcasecmp(matcher->header, "Any") == 0)
1381                                                 match = MATCH_ANY;
1382                                         else if (strcasecmp(matcher->header, "All") == 0)
1383                                                 match = MATCH_ALL;
1384                                         else
1385                                                 match = MATCH_ONE;
1386                                 } else {
1387                                         /* further call to matcherprop_match_one_header() can't match
1388                                            and it irrelevant, so: don't alter the match result */
1389                                         continue;
1390                                 }
1391                         }
1392
1393                         /* ZERO line must NOT match for the rule to match.
1394                          */
1395                         if (match == MATCH_ALL) {
1396                                 if (matcherprop_match_one_header(matcher, buf)) {
1397                                         matcher->result = TRUE;
1398                                 } else {
1399                                         matcher->result = FALSE;
1400                                         matcher->done = TRUE;
1401                                 }
1402                         /* else, just one line matching is enough for the rule to match
1403                          */
1404                         } else if (matcherprop_criteria_headers(matcher) ||
1405                                    matcherprop_criteria_message(matcher)) {
1406                                 if (matcherprop_match_one_header(matcher, buf)) {
1407                                         matcher->result = TRUE;
1408                                         matcher->done = TRUE;
1409                                 }
1410                         }
1411
1412                         /* if the rule matched and the matchers are OR, no need to
1413                          * check the others */
1414                         if (matcher->result && matcher->done) {
1415                                 if (!matchers->bool_and)
1416                                         return TRUE;
1417                         }
1418                 }
1419         }
1420
1421         return FALSE;
1422 }
1423
1424 /*!
1425  *\brief        Check if a matcher wants to check the message body
1426  *
1427  *\param        matcher Matcher structure
1428  *
1429  *\return       gboolean TRUE if body must be matched.
1430  */
1431 static gboolean matcherprop_criteria_body(const MatcherProp *matcher)
1432 {
1433         switch (matcher->criteria) {
1434         case MATCHCRITERIA_BODY_PART:
1435         case MATCHCRITERIA_NOT_BODY_PART:
1436                 return TRUE;
1437         default:
1438                 return FALSE;
1439         }
1440 }
1441
1442 /*!
1443  *\brief        Check if a line in a message file's body matches
1444  *              the criteria
1445  *
1446  *\param        matchers List of conditions
1447  *\param        fp Message file
1448  *
1449  *\return       gboolean TRUE if succesful match
1450  */
1451 static gboolean matcherlist_match_body(MatcherList *matchers, gboolean body_only, MsgInfo *info)
1452 {
1453         GSList *l;
1454         MimeInfo *mimeinfo = NULL;
1455         MimeInfo *partinfo = NULL;
1456         gchar buf[BUFFSIZE];
1457         gboolean first_text_found = FALSE;
1458         FILE *outfp = NULL;
1459
1460         cm_return_val_if_fail(info != NULL, FALSE);
1461
1462         mimeinfo = procmime_scan_message(info);
1463
1464         /* Skip headers */
1465         partinfo = procmime_mimeinfo_next(mimeinfo);
1466
1467         for (; partinfo != NULL; partinfo = procmime_mimeinfo_next(partinfo)) {
1468
1469                 if (partinfo->type != MIMETYPE_TEXT && body_only)
1470                         continue;
1471
1472                 if (partinfo->type == MIMETYPE_TEXT) {
1473                         first_text_found = TRUE;
1474                         outfp = procmime_get_text_content(partinfo);
1475                 } else
1476                         outfp = procmime_get_binary_content(partinfo);
1477
1478                 if (!outfp) {
1479                         procmime_mimeinfo_free_all(mimeinfo);
1480                         return FALSE;
1481                 }
1482
1483                 while (fgets(buf, sizeof(buf), outfp) != NULL) {
1484                         strretchomp(buf);
1485
1486                         for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1487                                 MatcherProp *matcher = (MatcherProp *) l->data;
1488
1489                                 if (matcher->done)
1490                                         continue;
1491
1492                                 /* Don't scan non-text parts when looking in body, only
1493                                  * when looking in whole message
1494                                  */
1495                                 if (partinfo && partinfo->type != MIMETYPE_TEXT &&
1496                                 (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1497                                 matcher->criteria == MATCHCRITERIA_BODY_PART))
1498                                         continue;
1499
1500                                 /* if the criteria is ~body_part or ~message, ZERO lines
1501                                  * must match for the rule to match.
1502                                  */
1503                                 if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1504                                     matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1505                                         if (matcherprop_string_match(matcher, buf,
1506                                                                 _("body line"))) {
1507                                                 matcher->result = FALSE;
1508                                                 matcher->done = TRUE;
1509                                         } else
1510                                                 matcher->result = TRUE;
1511                                 /* else, just one line has to match */
1512                                 } else if (matcherprop_criteria_body(matcher) ||
1513                                            matcherprop_criteria_message(matcher)) {
1514                                         if (matcherprop_string_match(matcher, buf,
1515                                                                 _("body line"))) {
1516                                                 matcher->result = TRUE;
1517                                                 matcher->done = TRUE;
1518                                         }
1519                                 }
1520
1521                                 /* if the matchers are OR'ed and the rule matched,
1522                                  * no need to check the others. */
1523                                 if (matcher->result && matcher->done) {
1524                                         if (!matchers->bool_and) {
1525                                                 procmime_mimeinfo_free_all(mimeinfo);
1526                                                 fclose(outfp);
1527                                                 return TRUE;
1528                                         }
1529                                 }
1530                         }
1531                 }
1532                 fclose(outfp);
1533
1534                 if (body_only && first_text_found)
1535                         break;
1536         }
1537         procmime_mimeinfo_free_all(mimeinfo);
1538
1539         return FALSE;
1540 }
1541
1542 /*!
1543  *\brief        Check if a message file matches criteria
1544  *
1545  *\param        matchers Criteria
1546  *\param        info Message info
1547  *\param        result Default result
1548  *
1549  *\return       gboolean TRUE if matched
1550  */
1551 static gboolean matcherlist_match_file(MatcherList *matchers, MsgInfo *info,
1552                                 gboolean result)
1553 {
1554         gboolean read_headers;
1555         gboolean read_body;
1556         gboolean body_only;
1557         GSList *l;
1558         FILE *fp;
1559         gchar *file;
1560
1561         /* file need to be read ? */
1562
1563         read_headers = FALSE;
1564         read_body = FALSE;
1565         body_only = TRUE;
1566         for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1567                 MatcherProp *matcher = (MatcherProp *) l->data;
1568
1569                 if (matcherprop_criteria_headers(matcher))
1570                         read_headers = TRUE;
1571                 if (matcherprop_criteria_body(matcher))
1572                         read_body = TRUE;
1573                 if (matcherprop_criteria_message(matcher)) {
1574                         read_headers = TRUE;
1575                         read_body = TRUE;
1576                         body_only = FALSE;
1577                 }
1578                 matcher->result = FALSE;
1579                 matcher->done = FALSE;
1580         }
1581
1582         if (!read_headers && !read_body)
1583                 return result;
1584
1585         file = procmsg_get_message_file_full(info, read_headers, read_body);
1586         if (file == NULL)
1587                 return FALSE;
1588
1589         if ((fp = g_fopen(file, "rb")) == NULL) {
1590                 FILE_OP_ERROR(file, "fopen");
1591                 g_free(file);
1592                 return result;
1593         }
1594
1595         /* read the headers */
1596
1597         if (read_headers) {
1598                 if (matcherlist_match_headers(matchers, fp))
1599                         read_body = FALSE;
1600         } else {
1601                 matcherlist_skip_headers(fp);
1602         }
1603
1604         /* read the body */
1605         if (read_body) {
1606                 matcherlist_match_body(matchers, body_only, info);
1607         }
1608
1609         for (l = matchers->matchers; l != NULL; l = g_slist_next(l)) {
1610                 MatcherProp *matcher = (MatcherProp *) l->data;
1611
1612                 if (matcherprop_criteria_headers(matcher) ||
1613                     matcherprop_criteria_body(matcher)    ||
1614                     matcherprop_criteria_message(matcher)) {
1615                         if (matcher->result) {
1616                                 if (!matchers->bool_and) {
1617                                         result = TRUE;
1618                                         break;
1619                                 }
1620                         }
1621                         else {
1622                                 if (matchers->bool_and) {
1623                                         result = FALSE;
1624                                         break;
1625                                 }
1626                         }
1627                 }
1628         }
1629
1630         g_free(file);
1631
1632         fclose(fp);
1633
1634         return result;
1635 }
1636
1637 /*!
1638  *\brief        Test list of conditions on a message.
1639  *
1640  *\param        matchers List of conditions
1641  *\param        info Message info
1642  *
1643  *\return       gboolean TRUE if matched
1644  */
1645 gboolean matcherlist_match(MatcherList *matchers, MsgInfo *info)
1646 {
1647         GSList *l;
1648         gboolean result;
1649
1650         if (!matchers)
1651                 return FALSE;
1652
1653         if (matchers->bool_and)
1654                 result = TRUE;
1655         else
1656                 result = FALSE;
1657
1658         /* test the cached elements */
1659
1660         for (l = matchers->matchers; l != NULL ;l = g_slist_next(l)) {
1661                 MatcherProp *matcher = (MatcherProp *) l->data;
1662
1663                 if (debug_filtering_session) {
1664                         gchar *buf = matcherprop_to_string(matcher);
1665                         log_print(LOG_DEBUG_FILTERING, _("checking if message matches [ %s ]\n"), buf);
1666                         g_free(buf);
1667                 }
1668
1669                 switch(matcher->criteria) {
1670                 case MATCHCRITERIA_ALL:
1671                 case MATCHCRITERIA_UNREAD:
1672                 case MATCHCRITERIA_NOT_UNREAD:
1673                 case MATCHCRITERIA_NEW:
1674                 case MATCHCRITERIA_NOT_NEW:
1675                 case MATCHCRITERIA_MARKED:
1676                 case MATCHCRITERIA_NOT_MARKED:
1677                 case MATCHCRITERIA_DELETED:
1678                 case MATCHCRITERIA_NOT_DELETED:
1679                 case MATCHCRITERIA_REPLIED:
1680                 case MATCHCRITERIA_NOT_REPLIED:
1681                 case MATCHCRITERIA_FORWARDED:
1682                 case MATCHCRITERIA_NOT_FORWARDED:
1683                 case MATCHCRITERIA_LOCKED:
1684                 case MATCHCRITERIA_NOT_LOCKED:
1685                 case MATCHCRITERIA_SPAM:
1686                 case MATCHCRITERIA_NOT_SPAM:
1687                 case MATCHCRITERIA_HAS_ATTACHMENT:
1688                 case MATCHCRITERIA_HAS_NO_ATTACHMENT:
1689                 case MATCHCRITERIA_SIGNED:
1690                 case MATCHCRITERIA_NOT_SIGNED:
1691                 case MATCHCRITERIA_COLORLABEL:
1692                 case MATCHCRITERIA_NOT_COLORLABEL:
1693                 case MATCHCRITERIA_IGNORE_THREAD:
1694                 case MATCHCRITERIA_NOT_IGNORE_THREAD:
1695                 case MATCHCRITERIA_WATCH_THREAD:
1696                 case MATCHCRITERIA_NOT_WATCH_THREAD:
1697                 case MATCHCRITERIA_SUBJECT:
1698                 case MATCHCRITERIA_NOT_SUBJECT:
1699                 case MATCHCRITERIA_FROM:
1700                 case MATCHCRITERIA_NOT_FROM:
1701                 case MATCHCRITERIA_TO:
1702                 case MATCHCRITERIA_NOT_TO:
1703                 case MATCHCRITERIA_CC:
1704                 case MATCHCRITERIA_NOT_CC:
1705                 case MATCHCRITERIA_TO_OR_CC:
1706                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
1707                 case MATCHCRITERIA_TAG:
1708                 case MATCHCRITERIA_NOT_TAG:
1709                 case MATCHCRITERIA_TAGGED:
1710                 case MATCHCRITERIA_NOT_TAGGED:
1711                 case MATCHCRITERIA_AGE_GREATER:
1712                 case MATCHCRITERIA_AGE_LOWER:
1713                 case MATCHCRITERIA_NEWSGROUPS:
1714                 case MATCHCRITERIA_NOT_NEWSGROUPS:
1715                 case MATCHCRITERIA_INREPLYTO:
1716                 case MATCHCRITERIA_NOT_INREPLYTO:
1717                 case MATCHCRITERIA_REFERENCES:
1718                 case MATCHCRITERIA_NOT_REFERENCES:
1719                 case MATCHCRITERIA_SCORE_GREATER:
1720                 case MATCHCRITERIA_SCORE_LOWER:
1721                 case MATCHCRITERIA_SCORE_EQUAL:
1722                 case MATCHCRITERIA_SIZE_GREATER:
1723                 case MATCHCRITERIA_SIZE_SMALLER:
1724                 case MATCHCRITERIA_SIZE_EQUAL:
1725                 case MATCHCRITERIA_TEST:
1726                 case MATCHCRITERIA_NOT_TEST:
1727                 case MATCHCRITERIA_PARTIAL:
1728                 case MATCHCRITERIA_NOT_PARTIAL:
1729                         if (matcherprop_match(matcher, info)) {
1730                                 if (!matchers->bool_and) {
1731                                         if (debug_filtering_session)
1732                                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1733                                         return TRUE;
1734                                 }
1735                         }
1736                         else {
1737                                 if (matchers->bool_and) {
1738                                         if (debug_filtering_session)
1739                                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1740                                         return FALSE;
1741                                 }
1742                         }
1743                 }
1744         }
1745
1746         /* test the condition on the file */
1747
1748         if (matcherlist_match_file(matchers, info, result)) {
1749                 if (!matchers->bool_and) {
1750                         if (debug_filtering_session)
1751                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1752                         return TRUE;
1753                 }
1754         } else {
1755                 if (matchers->bool_and) {
1756                         if (debug_filtering_session)
1757                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1758                         return FALSE;
1759                 }
1760         }
1761
1762         if (debug_filtering_session) {
1763                 if (result)
1764                         log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1765                 else
1766                         log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1767         }
1768         return result;
1769 }
1770
1771
1772 static gint quote_filter_str(gchar * result, guint size,
1773                              const gchar * path)
1774 {
1775         const gchar * p;
1776         gchar * result_p;
1777         guint remaining;
1778
1779         result_p = result;
1780         remaining = size;
1781
1782         for(p = path ; * p != '\0' ; p ++) {
1783
1784                 if ((* p != '\"') && (* p != '\\')) {
1785                         if (remaining > 0) {
1786                                 * result_p = * p;
1787                                 result_p ++;
1788                                 remaining --;
1789                         }
1790                         else {
1791                                 result[size - 1] = '\0';
1792                                 return -1;
1793                         }
1794                 }
1795                 else {
1796                         if (remaining >= 2) {
1797                                 * result_p = '\\';
1798                                 result_p ++;
1799                                 * result_p = * p;
1800                                 result_p ++;
1801                                 remaining -= 2;
1802                         }
1803                         else {
1804                                 result[size - 1] = '\0';
1805                                 return -1;
1806                         }
1807                 }
1808         }
1809         if (remaining > 0) {
1810                 * result_p = '\0';
1811         }
1812         else {
1813                 result[size - 1] = '\0';
1814                 return -1;
1815         }
1816
1817         return 0;
1818 }
1819
1820
1821 gchar * matcher_quote_str(const gchar * src)
1822 {
1823         gchar * res;
1824         gint len;
1825
1826         len = strlen(src) * 2 + 1;
1827         res = g_malloc(len);
1828         quote_filter_str(res, len, src);
1829
1830         return res;
1831 }
1832
1833 /*!
1834  *\brief        Convert a matcher structure to a string
1835  *
1836  *\param        matcher Matcher structure
1837  *
1838  *\return       gchar * Newly allocated string
1839  */
1840 gchar *matcherprop_to_string(MatcherProp *matcher)
1841 {
1842         gchar *matcher_str = NULL;
1843         const gchar *criteria_str;
1844         const gchar *matchtype_str;
1845         int i;
1846         gchar * quoted_expr;
1847         gchar * quoted_header;
1848
1849         criteria_str = NULL;
1850         for (i = 0; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)); i++) {
1851                 if (matchparser_tab[i].id == matcher->criteria)
1852                         criteria_str = matchparser_tab[i].str;
1853         }
1854         if (criteria_str == NULL)
1855                 return NULL;
1856
1857         switch (matcher->criteria) {
1858         case MATCHCRITERIA_AGE_GREATER:
1859         case MATCHCRITERIA_AGE_LOWER:
1860         case MATCHCRITERIA_SCORE_GREATER:
1861         case MATCHCRITERIA_SCORE_LOWER:
1862         case MATCHCRITERIA_SCORE_EQUAL:
1863         case MATCHCRITERIA_SIZE_GREATER:
1864         case MATCHCRITERIA_SIZE_SMALLER:
1865         case MATCHCRITERIA_SIZE_EQUAL:
1866         case MATCHCRITERIA_COLORLABEL:
1867         case MATCHCRITERIA_NOT_COLORLABEL:
1868                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
1869         case MATCHCRITERIA_ALL:
1870         case MATCHCRITERIA_UNREAD:
1871         case MATCHCRITERIA_NOT_UNREAD:
1872         case MATCHCRITERIA_NEW:
1873         case MATCHCRITERIA_NOT_NEW:
1874         case MATCHCRITERIA_MARKED:
1875         case MATCHCRITERIA_NOT_MARKED:
1876         case MATCHCRITERIA_DELETED:
1877         case MATCHCRITERIA_NOT_DELETED:
1878         case MATCHCRITERIA_REPLIED:
1879         case MATCHCRITERIA_NOT_REPLIED:
1880         case MATCHCRITERIA_FORWARDED:
1881         case MATCHCRITERIA_NOT_FORWARDED:
1882         case MATCHCRITERIA_LOCKED:
1883         case MATCHCRITERIA_NOT_LOCKED:
1884         case MATCHCRITERIA_SPAM:
1885         case MATCHCRITERIA_NOT_SPAM:
1886         case MATCHCRITERIA_HAS_ATTACHMENT:
1887         case MATCHCRITERIA_HAS_NO_ATTACHMENT:
1888         case MATCHCRITERIA_SIGNED:
1889         case MATCHCRITERIA_NOT_SIGNED:
1890         case MATCHCRITERIA_PARTIAL:
1891         case MATCHCRITERIA_NOT_PARTIAL:
1892         case MATCHCRITERIA_IGNORE_THREAD:
1893         case MATCHCRITERIA_NOT_IGNORE_THREAD:
1894         case MATCHCRITERIA_WATCH_THREAD:
1895         case MATCHCRITERIA_NOT_WATCH_THREAD:
1896         case MATCHCRITERIA_TAGGED:
1897         case MATCHCRITERIA_NOT_TAGGED:
1898                 return g_strdup(criteria_str);
1899         case MATCHCRITERIA_TEST:
1900         case MATCHCRITERIA_NOT_TEST:
1901                 quoted_expr = matcher_quote_str(matcher->expr);
1902                 matcher_str = g_strdup_printf("%s \"%s\"",
1903                                               criteria_str, quoted_expr);
1904                 g_free(quoted_expr);
1905                 return matcher_str;
1906         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1907         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1908                 quoted_header = matcher_quote_str(matcher->header);
1909                 quoted_expr = matcher_quote_str(matcher->expr);
1910                 matcher_str = g_strdup_printf("%s \"%s\" in \"%s\"",
1911                                               criteria_str, quoted_header, quoted_expr);
1912                 g_free(quoted_header);
1913                 g_free(quoted_expr);
1914                 return matcher_str;
1915         }
1916
1917         matchtype_str = NULL;
1918         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
1919                 if (matchparser_tab[i].id == matcher->matchtype)
1920                         matchtype_str = matchparser_tab[i].str;
1921         }
1922
1923         if (matchtype_str == NULL)
1924                 return NULL;
1925
1926         switch (matcher->matchtype) {
1927         case MATCHTYPE_MATCH:
1928         case MATCHTYPE_MATCHCASE:
1929         case MATCHTYPE_REGEXP:
1930         case MATCHTYPE_REGEXPCASE:
1931                 quoted_expr = matcher_quote_str(matcher->expr);
1932                 if (matcher->header) {
1933                         quoted_header = matcher_quote_str(matcher->header);
1934                         matcher_str = g_strdup_printf
1935                                         ("%s \"%s\" %s \"%s\"",
1936                                          criteria_str, quoted_header,
1937                                          matchtype_str, quoted_expr);
1938                         g_free(quoted_header);
1939                 }
1940                 else
1941                         matcher_str = g_strdup_printf
1942                                         ("%s %s \"%s\"", criteria_str,
1943                                          matchtype_str, quoted_expr);
1944                 g_free(quoted_expr);
1945                 break;
1946         }
1947
1948         return matcher_str;
1949 }
1950
1951 /*!
1952  *\brief        Convert a list of conditions to a string
1953  *
1954  *\param        matchers List of conditions
1955  *
1956  *\return       gchar * Newly allocated string
1957  */
1958 gchar *matcherlist_to_string(const MatcherList *matchers)
1959 {
1960         gint count;
1961         gchar **vstr;
1962         GSList *l;
1963         gchar **cur_str;
1964         gchar *result = NULL;
1965
1966         count = g_slist_length(matchers->matchers);
1967         vstr = g_new(gchar *, count + 1);
1968
1969         for (l = matchers->matchers, cur_str = vstr; l != NULL;
1970              l = g_slist_next(l), cur_str ++) {
1971                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
1972                 if (*cur_str == NULL)
1973                         break;
1974         }
1975         *cur_str = NULL;
1976
1977         if (matchers->bool_and)
1978                 result = g_strjoinv(" & ", vstr);
1979         else
1980                 result = g_strjoinv(" | ", vstr);
1981
1982         for (cur_str = vstr ; *cur_str != NULL ; cur_str ++)
1983                 g_free(*cur_str);
1984         g_free(vstr);
1985
1986         return result;
1987 }
1988
1989
1990 #define STRLEN_ZERO(s) ((s) ? strlen(s) : 0)
1991 #define STRLEN_DEFAULT(s,d) ((s) ? strlen(s) : STRLEN_ZERO(d))
1992
1993 static void add_str_default(gchar ** dest,
1994                             const gchar * s, const gchar * d)
1995 {
1996         gchar quoted_str[4096];
1997         const gchar * str;
1998
1999         if (s != NULL)
2000                 str = s;
2001         else
2002                 str = d;
2003
2004         quote_cmd_argument(quoted_str, sizeof(quoted_str), str);
2005         strcpy(* dest, quoted_str);
2006
2007         (* dest) += strlen(* dest);
2008 }
2009
2010 /* matching_build_command() - preferably cmd should be unescaped */
2011 /*!
2012  *\brief        Build the command-line to execute
2013  *
2014  *\param        cmd String with command-line specifiers
2015  *\param        info Message info to use for command
2016  *
2017  *\return       gchar * Newly allocated string
2018  */
2019 gchar *matching_build_command(const gchar *cmd, MsgInfo *info)
2020 {
2021         const gchar *s = cmd;
2022         gchar *filename = NULL;
2023         gchar *processed_cmd;
2024         gchar *p;
2025         gint size;
2026
2027         const gchar *const no_subject    = _("(none)") ;
2028         const gchar *const no_from       = _("(none)") ;
2029         const gchar *const no_to         = _("(none)") ;
2030         const gchar *const no_cc         = _("(none)") ;
2031         const gchar *const no_date       = _("(none)") ;
2032         const gchar *const no_msgid      = _("(none)") ;
2033         const gchar *const no_newsgroups = _("(none)") ;
2034         const gchar *const no_references = _("(none)") ;
2035
2036         size = STRLEN_ZERO(cmd) + 1;
2037         while (*s != '\0') {
2038                 if (*s == '%') {
2039                         s++;
2040                         switch (*s) {
2041                         case '%':
2042                                 size -= 1;
2043                                 break;
2044                         case 's': /* subject */
2045                                 size += STRLEN_DEFAULT(info->subject, no_subject) - 2;
2046                                 break;
2047                         case 'f': /* from */
2048                                 size += STRLEN_DEFAULT(info->from, no_from) - 2;
2049                                 break;
2050                         case 't': /* to */
2051                                 size += STRLEN_DEFAULT(info->to, no_to) - 2;
2052                                 break;
2053                         case 'c': /* cc */
2054                                 size += STRLEN_DEFAULT(info->cc, no_cc) - 2;
2055                                 break;
2056                         case 'd': /* date */
2057                                 size += STRLEN_DEFAULT(info->date, no_date) - 2;
2058                                 break;
2059                         case 'i': /* message-id */
2060                                 size += STRLEN_DEFAULT(info->msgid, no_msgid) - 2;
2061                                 break;
2062                         case 'n': /* newsgroups */
2063                                 size += STRLEN_DEFAULT(info->newsgroups, no_newsgroups) - 2;
2064                                 break;
2065                         case 'r': /* references */
2066                                 /* FIXME: using the inreplyto header for reference */
2067                                 size += STRLEN_DEFAULT(info->inreplyto, no_references) - 2;
2068                                 break;
2069                         case 'F': /* file */
2070                                 if (filename == NULL)
2071                                         filename = folder_item_fetch_msg(info->folder, info->msgnum);
2072
2073                                 if (filename == NULL) {
2074                                         g_warning("filename is not set");
2075                                         return NULL;
2076                                 }
2077                                 else {
2078                                         size += strlen(filename) - 2;
2079                                 }
2080                                 break;
2081                         }
2082                         s++;
2083                 }
2084                 else s++;
2085         }
2086
2087         /* as the string can be quoted, we double the result */
2088         size *= 2;
2089
2090         processed_cmd = g_new0(gchar, size);
2091         s = cmd;
2092         p = processed_cmd;
2093
2094         while (*s != '\0') {
2095                 if (*s == '%') {
2096                         s++;
2097                         switch (*s) {
2098                         case '%':
2099                                 *p = '%';
2100                                 p++;
2101                                 break;
2102                         case 's': /* subject */
2103                                 add_str_default(&p, info->subject,
2104                                                 no_subject);
2105                                 break;
2106                         case 'f': /* from */
2107                                 add_str_default(&p, info->from,
2108                                                 no_from);
2109                                 break;
2110                         case 't': /* to */
2111                                 add_str_default(&p, info->to,
2112                                                 no_to);
2113                                 break;
2114                         case 'c': /* cc */
2115                                 add_str_default(&p, info->cc,
2116                                                 no_cc);
2117                                 break;
2118                         case 'd': /* date */
2119                                 add_str_default(&p, info->date,
2120                                                 no_date);
2121                                 break;
2122                         case 'i': /* message-id */
2123                                 add_str_default(&p, info->msgid,
2124                                                 no_msgid);
2125                                 break;
2126                         case 'n': /* newsgroups */
2127                                 add_str_default(&p, info->newsgroups,
2128                                                 no_newsgroups);
2129                                 break;
2130                         case 'r': /* references */
2131                                 /* FIXME: using the inreplyto header for references */
2132                                 add_str_default(&p, info->inreplyto, no_references);
2133                                 break;
2134                         case 'F': /* file */
2135                                 if (filename != NULL)
2136                                         add_str_default(&p, filename, NULL);
2137                                 break;
2138                         default:
2139                                 *p = '%';
2140                                 p++;
2141                                 *p = *s;
2142                                 p++;
2143                                 break;
2144                         }
2145                         s++;
2146                 }
2147                 else {
2148                         *p = *s;
2149                         p++;
2150                         s++;
2151                 }
2152         }
2153         g_free(filename);
2154
2155         return processed_cmd;
2156 }
2157 #undef STRLEN_DEFAULT
2158 #undef STRLEN_ZERO
2159
2160 /* ************************************************************ */
2161
2162
2163 /*!
2164  *\brief        Write filtering list to file
2165  *
2166  *\param        fp File
2167  *\param        prefs_filtering List of filtering conditions
2168  */
2169 static int prefs_filtering_write(FILE *fp, GSList *prefs_filtering)
2170 {
2171         GSList *cur = NULL;
2172
2173         for (cur = prefs_filtering; cur != NULL; cur = cur->next) {
2174                 gchar *filtering_str = NULL;
2175                 gchar *tmp_name = NULL;
2176                 FilteringProp *prop = NULL;
2177
2178                 if (NULL == (prop = (FilteringProp *) cur->data))
2179                         continue;
2180
2181                 if (NULL == (filtering_str = filteringprop_to_string(prop)))
2182                         continue;
2183
2184                 if (prop->enabled) {
2185                         if (fputs("enabled ", fp) == EOF) {
2186                                 FILE_OP_ERROR("filtering config", "fputs");
2187                                 return -1;
2188                         }
2189                 } else {
2190                         if (fputs("disabled ", fp) == EOF) {
2191                                 FILE_OP_ERROR("filtering config", "fputs");
2192                                 return -1;
2193                         }
2194                 }
2195
2196                 if (fputs("rulename \"", fp) == EOF) {
2197                         FILE_OP_ERROR("filtering config", "fputs");
2198                         g_free(filtering_str);
2199                         return -1;
2200                 }
2201                 tmp_name = prop->name;
2202                 while (tmp_name && *tmp_name != '\0') {
2203                         if (*tmp_name != '"') {
2204                                 if (fputc(*tmp_name, fp) == EOF) {
2205                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2206                                         g_free(filtering_str);
2207                                         return -1;
2208                                 }
2209                         } else if (*tmp_name == '"') {
2210                                 if (fputc('\\', fp) == EOF ||
2211                                     fputc('"', fp) == EOF) {
2212                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2213                                         g_free(filtering_str);
2214                                         return -1;
2215                                 }
2216                         }
2217                         tmp_name ++;
2218                 }
2219                 if (fputs("\" ", fp) == EOF) {
2220                         FILE_OP_ERROR("filtering config", "fputs");
2221                         g_free(filtering_str);
2222                         return -1;
2223                 }
2224
2225                 if (prop->account_id != 0) {
2226                         gchar *tmp = NULL;
2227
2228                         tmp = g_strdup_printf("account %d ", prop->account_id);
2229                         if (fputs(tmp, fp) == EOF) {
2230                                 FILE_OP_ERROR("filtering config", "fputs");
2231                                 g_free(tmp);
2232                                 return -1;
2233                         }
2234                         g_free(tmp);
2235                 }
2236
2237                 if(fputs(filtering_str, fp) == EOF ||
2238                     fputc('\n', fp) == EOF) {
2239                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2240                         g_free(filtering_str);
2241                         return -1;
2242                 }
2243                 g_free(filtering_str);
2244         }
2245
2246         return 0;
2247 }
2248
2249 typedef struct _NodeLoopData {
2250         FILE *fp;
2251         gboolean error;
2252 } NodeLoopData;
2253
2254 /*!
2255  *\brief        Write matchers from a folder item
2256  *
2257  *\param        node Node with folder info
2258  *\param        data File pointer
2259  *
2260  *\return       gboolean FALSE
2261  */
2262 static gboolean prefs_matcher_write_func(GNode *node, gpointer d)
2263 {
2264         FolderItem *item;
2265         NodeLoopData *data = (NodeLoopData *)d;
2266         gchar *id;
2267         GSList *prefs_filtering;
2268
2269         item = node->data;
2270         /* prevent warning */
2271         if (item->path == NULL)
2272                 return FALSE;
2273         id = folder_item_get_identifier(item);
2274         if (id == NULL)
2275                 return FALSE;
2276         prefs_filtering = item->prefs->processing;
2277
2278         if (prefs_filtering != NULL) {
2279                 if (fprintf(data->fp, "[%s]\n", id) < 0) {
2280                         data->error = TRUE;
2281                         goto fail;
2282                 }
2283                 if (prefs_filtering_write(data->fp, prefs_filtering) < 0) {
2284                         data->error = TRUE;
2285                         goto fail;
2286                 }
2287                 if (fputc('\n', data->fp) == EOF) {
2288                         data->error = TRUE;
2289                         goto fail;
2290                 }
2291         }
2292 fail:
2293         g_free(id);
2294
2295         return FALSE;
2296 }
2297
2298 /*!
2299  *\brief        Save matchers from folder items
2300  *
2301  *\param        fp File
2302  */
2303 static int prefs_matcher_save(FILE *fp)
2304 {
2305         GList *cur;
2306         NodeLoopData data;
2307
2308         data.fp = fp;
2309         data.error = FALSE;
2310
2311         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
2312                 Folder *folder;
2313
2314                 folder = (Folder *) cur->data;
2315                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2316                                 prefs_matcher_write_func, &data);
2317         }
2318
2319         if (data.error == TRUE)
2320                 return -1;
2321
2322         /* pre global rules */
2323         if (fprintf(fp, "[preglobal]\n") < 0 ||
2324             prefs_filtering_write(fp, pre_global_processing) < 0 ||
2325             fputc('\n', fp) == EOF)
2326                 return -1;
2327
2328         /* post global rules */
2329         if (fprintf(fp, "[postglobal]\n") < 0 ||
2330             prefs_filtering_write(fp, post_global_processing) < 0 ||
2331             fputc('\n', fp) == EOF)
2332                 return -1;
2333
2334         /* filtering rules */
2335         if (fprintf(fp, "[filtering]\n") < 0 ||
2336             prefs_filtering_write(fp, filtering_rules) < 0 ||
2337             fputc('\n', fp) == EOF)
2338                 return -1;
2339
2340         return 0;
2341 }
2342
2343 /*!
2344  *\brief        Write filtering / matcher configuration file
2345  */
2346 void prefs_matcher_write_config(void)
2347 {
2348         gchar *rcpath;
2349         PrefFile *pfile;
2350
2351         debug_print("Writing matcher configuration...\n");
2352
2353         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2354                              MATCHER_RC, NULL);
2355
2356         if ((pfile = prefs_write_open(rcpath)) == NULL) {
2357                 g_warning("failed to write configuration to file\n");
2358                 g_free(rcpath);
2359                 return;
2360         }
2361
2362         g_free(rcpath);
2363
2364         if (prefs_matcher_save(pfile->fp) < 0) {
2365                 g_warning("failed to write configuration to file\n");
2366                 prefs_file_close_revert(pfile);
2367         } else if (prefs_file_close(pfile) < 0) {
2368                 g_warning("failed to save configuration to file\n");
2369         }
2370 }
2371
2372 /* ******************************************************************* */
2373
2374 static void matcher_add_rulenames(const gchar *rcpath)
2375 {
2376         gchar *newpath = g_strconcat(rcpath, ".new", NULL);
2377         FILE *src = g_fopen(rcpath, "rb");
2378         FILE *dst = g_fopen(newpath, "wb");
2379         gchar buf[BUFFSIZE];
2380         int r;
2381         if (src == NULL) {
2382                 perror("fopen");
2383                 if (dst)
2384                         fclose(dst);
2385                 g_free(newpath);
2386                 return;
2387         }
2388         if (dst == NULL) {
2389                 perror("fopen");
2390                 if (src)
2391                         fclose(src);
2392                 g_free(newpath);
2393                 return;
2394         }
2395
2396         while (fgets (buf, sizeof(buf), src) != NULL) {
2397                 if (strlen(buf) > 2 && buf[0] != '['
2398                 && strncmp(buf, "rulename \"", 10)
2399                 && strncmp(buf, "enabled rulename \"", 18)
2400                 && strncmp(buf, "disabled rulename \"", 18)) {
2401                         r = fwrite("enabled rulename \"\" ",
2402                                 strlen("enabled rulename \"\" "), 1, dst);
2403                         if (r != 1) {
2404                                 g_message("cannot fwrite rulename\n");
2405                         }
2406                 }
2407                 r = fwrite(buf, strlen(buf), 1, dst);
2408                 if (r != 1) {
2409                         g_message("cannot fwrite rule\n");
2410                 }
2411         }
2412         fclose(dst);
2413         fclose(src);
2414         move_file(newpath, rcpath, TRUE);
2415         g_free(newpath);
2416 }
2417
2418 /*!
2419  *\brief        Read matcher configuration
2420  */
2421 void prefs_matcher_read_config(void)
2422 {
2423         gchar *rcpath;
2424         gchar *rc_old_format;
2425         FILE *f;
2426
2427         create_matchparser_hashtab();
2428         prefs_filtering_clear();
2429
2430         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
2431         rc_old_format = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC,
2432                                 ".pre_names", NULL);
2433
2434         if (!is_file_exist(rc_old_format) && is_file_exist(rcpath)) {
2435                 /* backup file with no rules names, in case
2436                  * anything goes wrong */
2437                 copy_file(rcpath, rc_old_format, FALSE);
2438                 /* now hack the file in order to have it to the new format */
2439                 matcher_add_rulenames(rcpath);
2440         }
2441
2442         g_free(rc_old_format);
2443
2444         f = g_fopen(rcpath, "rb");
2445         g_free(rcpath);
2446
2447         if (f != NULL) {
2448                 matcher_parser_start_parsing(f);
2449                 fclose(matcher_parserin);
2450         }
2451         else {
2452                 /* previous version compatibility */
2453
2454                 /* g_print("reading filtering\n"); */
2455                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2456                                      FILTERING_RC, NULL);
2457                 f = g_fopen(rcpath, "rb");
2458                 g_free(rcpath);
2459
2460                 if (f != NULL) {
2461                         matcher_parser_start_parsing(f);
2462                         fclose(matcher_parserin);
2463                 }
2464
2465                 /* g_print("reading scoring\n"); */
2466                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2467                                      SCORING_RC, NULL);
2468                 f = g_fopen(rcpath, "rb");
2469                 g_free(rcpath);
2470
2471                 if (f != NULL) {
2472                         matcher_parser_start_parsing(f);
2473                         fclose(matcher_parserin);
2474                 }
2475         }
2476 }