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 #include "procmsg.h"
  52
  53 /*!
  54  *\brief        Keyword lookup element
  55  */
  56 struct _MatchParser {
  57         gint id;                /*!< keyword id */
  58         gchar *str;             /*!< keyword */
  59 };
  60 typedef struct _MatchParser MatchParser;
  61
  62 /*!
  63  *\brief        Table with strings and ids used by the lexer and
  64  *              the parser. New keywords can be added here.
  65  */
  66 static const MatchParser matchparser_tab[] = {
  67         /* msginfo flags */
  68         {MATCHCRITERIA_ALL, "all"},
  69         {MATCHCRITERIA_UNREAD, "unread"},
  70         {MATCHCRITERIA_NOT_UNREAD, "~unread"},
  71         {MATCHCRITERIA_NEW, "new"},
  72         {MATCHCRITERIA_NOT_NEW, "~new"},
  73         {MATCHCRITERIA_MARKED, "marked"},
  74         {MATCHCRITERIA_NOT_MARKED, "~marked"},
  75         {MATCHCRITERIA_DELETED, "deleted"},
  76         {MATCHCRITERIA_NOT_DELETED, "~deleted"},
  77         {MATCHCRITERIA_REPLIED, "replied"},
  78         {MATCHCRITERIA_NOT_REPLIED, "~replied"},
  79         {MATCHCRITERIA_FORWARDED, "forwarded"},
  80         {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
  81         {MATCHCRITERIA_LOCKED, "locked"},
  82         {MATCHCRITERIA_NOT_LOCKED, "~locked"},
  83         {MATCHCRITERIA_COLORLABEL, "colorlabel"},
  84         {MATCHCRITERIA_NOT_COLORLABEL, "~colorlabel"},
  85         {MATCHCRITERIA_IGNORE_THREAD, "ignore_thread"},
  86         {MATCHCRITERIA_NOT_IGNORE_THREAD, "~ignore_thread"},
  87         {MATCHCRITERIA_WATCH_THREAD, "watch_thread"},
  88         {MATCHCRITERIA_NOT_WATCH_THREAD, "~watch_thread"},
  89         {MATCHCRITERIA_SPAM, "spam"},
  90         {MATCHCRITERIA_NOT_SPAM, "~spam"},
  91         {MATCHCRITERIA_HAS_ATTACHMENT, "has_attachment"},
  92         {MATCHCRITERIA_HAS_NO_ATTACHMENT, "~has_attachment"},
  93         {MATCHCRITERIA_SIGNED, "signed"},
  94         {MATCHCRITERIA_NOT_SIGNED, "~signed"},
  95
  96         /* msginfo headers */
  97         {MATCHCRITERIA_SUBJECT, "subject"},
  98         {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
  99         {MATCHCRITERIA_FROM, "from"},
 100         {MATCHCRITERIA_NOT_FROM, "~from"},
 101         {MATCHCRITERIA_TO, "to"},
 102         {MATCHCRITERIA_NOT_TO, "~to"},
 103         {MATCHCRITERIA_CC, "cc"},
 104         {MATCHCRITERIA_NOT_CC, "~cc"},
 105         {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
 106         {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
 107         {MATCHCRITERIA_TAG, "tag"},
 108         {MATCHCRITERIA_NOT_TAG, "~tag"},
 109         {MATCHCRITERIA_TAGGED, "tagged"},
 110         {MATCHCRITERIA_NOT_TAGGED, "~tagged"},
 111         {MATCHCRITERIA_AGE_GREATER, "age_greater"},
 112         {MATCHCRITERIA_AGE_LOWER, "age_lower"},
 113         {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
 114         {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
 115         {MATCHCRITERIA_INREPLYTO, "inreplyto"},
 116         {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
 117         {MATCHCRITERIA_REFERENCES, "references"},
 118         {MATCHCRITERIA_NOT_REFERENCES, "~references"},
 119         {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
 120         {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
 121         {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
 122         {MATCHCRITERIA_PARTIAL, "partial"},
 123         {MATCHCRITERIA_NOT_PARTIAL, "~partial"},
 124         {MATCHCRITERIA_FOUND_IN_ADDRESSBOOK, "found_in_addressbook"},
 125         {MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK, "~found_in_addressbook"},
 126
 127         {MATCHCRITERIA_SIZE_GREATER, "size_greater"},
 128         {MATCHCRITERIA_SIZE_SMALLER, "size_smaller"},
 129         {MATCHCRITERIA_SIZE_EQUAL,   "size_equal"},
 130
 131         /* content have to be read */
 132         {MATCHCRITERIA_HEADER, "header"},
 133         {MATCHCRITERIA_NOT_HEADER, "~header"},
 134         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
 135         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
 136         {MATCHCRITERIA_MESSAGE, "message"},
 137         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
 138         {MATCHCRITERIA_BODY_PART, "body_part"},
 139         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
 140         {MATCHCRITERIA_TEST, "test"},
 141         {MATCHCRITERIA_NOT_TEST, "~test"},
 142
 143         /* match type */
 144         {MATCHTYPE_MATCHCASE, "matchcase"},
 145         {MATCHTYPE_MATCH, "match"},
 146         {MATCHTYPE_REGEXPCASE, "regexpcase"},
 147         {MATCHTYPE_REGEXP, "regexp"},
 148
 149         /* actions */
 150         {MATCHACTION_SCORE, "score"},    /* for backward compatibility */
 151         {MATCHACTION_MOVE, "move"},
 152         {MATCHACTION_COPY, "copy"},
 153         {MATCHACTION_DELETE, "delete"},
 154         {MATCHACTION_MARK, "mark"},
 155         {MATCHACTION_UNMARK, "unmark"},
 156         {MATCHACTION_LOCK, "lock"},
 157         {MATCHACTION_UNLOCK, "unlock"},
 158         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
 159         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
 160         {MATCHACTION_MARK_AS_SPAM, "mark_as_spam"},
 161         {MATCHACTION_MARK_AS_HAM, "mark_as_ham"},
 162         {MATCHACTION_FORWARD, "forward"},
 163         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
 164         {MATCHACTION_EXECUTE, "execute"},
 165         {MATCHACTION_COLOR, "color"},
 166         {MATCHACTION_REDIRECT, "redirect"},
 167         {MATCHACTION_CHANGE_SCORE, "change_score"},
 168         {MATCHACTION_SET_SCORE, "set_score"},
 169         {MATCHACTION_STOP, "stop"},
 170         {MATCHACTION_HIDE, "hide"},
 171         {MATCHACTION_IGNORE, "ignore"},
 172         {MATCHACTION_WATCH, "watch"},
 173         {MATCHACTION_ADD_TO_ADDRESSBOOK, "add_to_addressbook"},
 174         {MATCHACTION_SET_TAG, "set_tag"},
 175         {MATCHACTION_UNSET_TAG, "unset_tag"},
 176         {MATCHACTION_CLEAR_TAGS, "clear_tags"},
 177 };
 178
 179 enum {
 180         MATCH_ANY = 0,
 181         MATCH_ALL = 1,
 182         MATCH_ONE = 2
 183 };
 184
 185 extern gboolean debug_filtering_session;
 186
 187 /*!
 188  *\brief        Look up table with keywords defined in \sa matchparser_tab
 189  */
 190 static GHashTable *matchparser_hashtab;
 191
 192 /*!
 193  *\brief        Translate keyword id to keyword string
 194  *
 195  *\param        id Id of keyword
 196  *
 197  *\return       const gchar * Keyword
 198  */
 199 const gchar *get_matchparser_tab_str(gint id)
 200 {
 201         gint i;
 202
 203         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
 204                 if (matchparser_tab[i].id == id)
 205                         return matchparser_tab[i].str;
 206         }
 207         return NULL;
 208 }
 209
 210 /*!
 211  *\brief        Create keyword lookup table
 212  */
 213 static void create_matchparser_hashtab(void)
 214 {
 215         int i;
 216
 217         if (matchparser_hashtab) return;
 218         matchparser_hashtab = g_hash_table_new(g_str_hash, g_str_equal);
 219         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++)
 220                 g_hash_table_insert(matchparser_hashtab,
 221                                     matchparser_tab[i].str,
 222                                     (gpointer) &matchparser_tab[i]);
 223 }
 224
 225 /*!
 226  *\brief        Return a keyword id from a keyword string
 227  *
 228  *\param        str Keyword string
 229  *
 230  *\return       gint Keyword id
 231  */
 232 gint get_matchparser_tab_id(const gchar *str)
 233 {
 234         MatchParser *res;
 235
 236         if (NULL != (res = g_hash_table_lookup(matchparser_hashtab, str))) {
 237                 return res->id;
 238         } else
 239                 return -1;
 240 }
 241
 242 /* **************** data structure allocation **************** */
 243
 244 /*!
 245  *\brief        Allocate a structure for a filtering / scoring
 246  *              "condition" (a matcher structure)
 247  *
 248  *\param        criteria Criteria ID (MATCHCRITERIA_XXXX)
 249  *\param        header Header string (if criteria is MATCHCRITERIA_HEADER
 250                         or MATCHCRITERIA_FOUND_IN_ADDRESSBOOK)
 251  *\param        matchtype Type of action (MATCHTYPE_XXX)
 252  *\param        expr String value or expression to check
 253  *\param        value Integer value to check
 254  *
 255  *\return       MatcherProp * Pointer to newly allocated structure
 256  */
 257 MatcherProp *matcherprop_new(gint criteria, const gchar *header,
 258                               gint matchtype, const gchar *expr,
 259                               int value)
 260 {
 261         MatcherProp *prop;
 262
 263         prop = g_new0(MatcherProp, 1);
 264         prop->criteria = criteria;
 265         prop->header = header != NULL ? g_strdup(header) : NULL;
 266
 267         prop->expr = expr != NULL ? g_strdup(expr) : NULL;
 268
 269         prop->matchtype = matchtype;
 270         prop->preg = NULL;
 271         prop->value = value;
 272         prop->error = 0;
 273
 274         return prop;
 275 }
 276
 277 /*!
 278  *\brief        Free a matcher structure
 279  *
 280  *\param        prop Pointer to matcher structure allocated with
 281  *              #matcherprop_new
 282  */
 283 void matcherprop_free(MatcherProp *prop)
 284 {
 285         g_free(prop->expr);
 286         g_free(prop->header);
 287         if (prop->preg != NULL) {
 288                 regfree(prop->preg);
 289                 g_free(prop->preg);
 290         }
 291         g_free(prop);
 292 }
 293
 294 /*!
 295  *\brief        Copy a matcher structure
 296  *
 297  *\param        src Matcher structure to copy
 298  *
 299  *\return       MatcherProp * Pointer to newly allocated matcher structure
 300  */
 301 MatcherProp *matcherprop_copy(const MatcherProp *src)
 302 {
 303         MatcherProp *prop = g_new0(MatcherProp, 1);
 304
 305         prop->criteria = src->criteria;
 306         prop->header = src->header ? g_strdup(src->header) : NULL;
 307         prop->expr = src->expr ? g_strdup(src->expr) : NULL;
 308         prop->matchtype = src->matchtype;
 309
 310         prop->preg = NULL; /* will be re-evaluated */
 311         prop->value = src->value;
 312         prop->error = src->error;
 313         return prop;
 314 }
 315
 316 /* ************** match ******************************/
 317
 318 static gboolean match_with_addresses_in_addressbook
 319         (MatcherProp *prop, GSList *address_list, gint type,
 320          gchar* folderpath, gint match)
 321 {
 322         GSList *walk = NULL;
 323         gboolean found = FALSE;
 324         gchar *path = NULL;
 325
 326         cm_return_val_if_fail(address_list != NULL, FALSE);
 327
 328         debug_print("match_with_addresses_in_addressbook(%d, %s)\n",
 329                                 g_slist_length(address_list), folderpath?folderpath:"(null)");
 330
 331         if (folderpath == NULL ||
 332                 strcasecmp(folderpath, "Any") == 0 ||
 333                 *folderpath == '\0')
 334                 path = NULL;
 335         else
 336                 path = folderpath;
 337
 338         start_address_completion(path);
 339
 340         for (walk = address_list; walk != NULL; walk = walk->next) {
 341                 /* exact matching of email address */
 342                 guint num_addr = complete_address(walk->data);
 343                 found = FALSE;
 344                 if (num_addr > 1) {
 345                         /* skip first item (this is the search string itself) */
 346                         int i = 1;
 347                         for (; i < num_addr && !found; i++) {
 348                                 gchar *addr = get_complete_address(i);
 349                                 extract_address(addr);
 350                                 if (strcasecmp(addr, walk->data) == 0) {
 351                                         found = TRUE;
 352
 353                                         /* debug output */
 354                                         if (debug_filtering_session
 355                                                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 356                                                 log_print(LOG_DEBUG_FILTERING,
 357                                                                 "address [ %s ] matches\n",
 358                                                                 (gchar *)walk->data);
 359                                         }
 360                                 }
 361                                 g_free(addr);
 362                         }
 363                 }
 364                 /* debug output */
 365                 if (debug_filtering_session
 366                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH
 367                                 && !found) {
 368                         log_print(LOG_DEBUG_FILTERING,
 369                                         "address [ %s ] does NOT match\n",
 370                                         (gchar *)walk->data);
 371                 }
 372                 g_free(walk->data);
 373
 374                 if (match == MATCH_ALL) {
 375                         /* if matching all addresses, stop if one doesn't match */
 376                         if (!found) {
 377                                 /* debug output */
 378                                 if (debug_filtering_session
 379                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 380                                         log_print(LOG_DEBUG_FILTERING,
 381                                                         "not all address match (matching all)\n");
 382                                 }
 383                                 break;
 384                         }
 385                 } else if (match == MATCH_ANY) {
 386                         /* if matching any address, stop if one does match */
 387                         if (found) {
 388                                 /* debug output */
 389                                 if (debug_filtering_session
 390                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 391                                         log_print(LOG_DEBUG_FILTERING,
 392                                                         "at least one address matches (matching any)\n");
 393                                 }
 394                                 break;
 395                         }
 396                 }
 397                 /* MATCH_ONE: there should be only one loop iteration */
 398         }
 399
 400         end_address_completion();
 401
 402         return found;
 403 }
 404
 405 /*!
 406  *\brief        Find out if a string matches a condition
 407  *
 408  *\param        prop Matcher structure
 409  *\param        str String to check
 410  *
 411  *\return       gboolean TRUE if str matches the condition in the
 412  *              matcher structure
 413  */
 414 static gboolean matcherprop_string_match(MatcherProp *prop, const gchar *str,
 415                                          const gchar *debug_context)
 416 {
 417         gchar *str1;
 418         gchar *down_expr;
 419         gboolean ret = FALSE;
 420         gboolean should_free = FALSE;
 421         if (str == NULL)
 422                 return FALSE;
 423
 424         if (prop->matchtype == MATCHTYPE_REGEXPCASE ||
 425             prop->matchtype == MATCHTYPE_MATCHCASE) {
 426                 str1 = g_utf8_casefold(str, -1);
 427                 down_expr = g_utf8_casefold(prop->expr, -1);
 428                 should_free = TRUE;
 429         } else {
 430                 str1 = (gchar *)str;
 431                 down_expr = (gchar *)prop->expr;
 432                 should_free = FALSE;
 433         }
 434
 435         switch (prop->matchtype) {
 436         case MATCHTYPE_REGEXPCASE:
 437         case MATCHTYPE_REGEXP:
 438 #ifndef G_OS_WIN32
 439                 if (!prop->preg && (prop->error == 0)) {
 440                         prop->preg = g_new0(regex_t, 1);
 441                         /* if regexp then don't use the escaped string */
 442                         if (regcomp(prop->preg, down_expr,
 443                                     REG_NOSUB | REG_EXTENDED
 444                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 445                                     ? REG_ICASE : 0)) != 0) {
 446                                 prop->error = 1;
 447                                 g_free(prop->preg);
 448                                 prop->preg = NULL;
 449                         }
 450                 }
 451                 if (prop->preg == NULL) {
 452                         ret = FALSE;
 453                         goto free_strs;
 454                 }
 455
 456                 if (regexec(prop->preg, str1, 0, NULL, 0) == 0)
 457                         ret = TRUE;
 458                 else
 459                         ret = FALSE;
 460
 461                 /* debug output */
 462                 if (debug_filtering_session
 463                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 464                         gchar *stripped = g_strdup(str);
 465
 466                         strretchomp(stripped);
 467                         if (ret) {
 468                                 log_print(LOG_DEBUG_FILTERING,
 469                                                 "%s value [ %s ] matches regular expression [ %s ] (%s)\n",
 470                                                 debug_context, stripped, prop->expr,
 471                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 472                         } else {
 473                                 log_print(LOG_DEBUG_FILTERING,
 474                                                 "%s value [ %s ] does NOT match regular expression [ %s ] (%s)\n",
 475                                                 debug_context, stripped, prop->expr,
 476                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 477                         }
 478                         g_free(stripped);
 479                 }
 480                 break;
 481 #endif
 482         case MATCHTYPE_MATCHCASE:
 483         case MATCHTYPE_MATCH:
 484                 ret = (strstr(str1, down_expr) != NULL);
 485
 486                 /* debug output */
 487                 if (debug_filtering_session
 488                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 489                         gchar *stripped = g_strdup(str);
 490
 491                         strretchomp(stripped);
 492                         if (ret) {
 493                                 log_print(LOG_DEBUG_FILTERING,
 494                                                 "%s value [ %s ] contains [ %s ] (%s)\n",
 495                                                 debug_context, stripped, prop->expr,
 496                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 497                         } else {
 498                                 log_print(LOG_DEBUG_FILTERING,
 499                                                 "%s value [ %s ] does NOT contain [ %s ] (%s)\n",
 500                                                 debug_context, stripped, prop->expr,
 501                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 502                         }
 503                         g_free(stripped);
 504                 }
 505                 break;
 506
 507         default:
 508                 break;
 509         }
 510
 511 free_strs:
 512         if (should_free) {
 513                 g_free(str1);
 514                 g_free(down_expr);
 515         }
 516         return ret;
 517 }
 518
 519 /*!
 520  *\brief        Find out if a tag matches a condition
 521  *
 522  *\param        prop Matcher structure
 523  *\param        msginfo message to check
 524  *
 525  *\return       gboolean TRUE if msginfo matches the condition in the
 526  *              matcher structure
 527  */
 528 static gboolean matcherprop_tag_match(MatcherProp *prop, MsgInfo *msginfo,
 529                                          const gchar *debug_context)
 530 {
 531         gboolean ret = FALSE;
 532         GSList *cur;
 533
 534         if (msginfo == NULL || msginfo->tags == NULL)
 535                 return FALSE;
 536
 537         for (cur = msginfo->tags; cur; cur = cur->next) {
 538                 const gchar *str = tags_get_tag(GPOINTER_TO_INT(cur->data));
 539                 if (!str)
 540                         continue;
 541                 if (matcherprop_string_match(prop, str, debug_context)) {
 542                         ret = TRUE;
 543                         break;
 544                 }
 545         }
 546         return ret;
 547 }
 548
 549 /*!
 550  *\brief        Find out if the string-ed list matches a condition
 551  *
 552  *\param        prop Matcher structure
 553  *\param        list GSList of strings to check
 554  *
 555  *\return       gboolean TRUE if str matches the condition in the
 556  *              matcher structure
 557  */
 558 static gboolean matcherprop_list_match(MatcherProp *prop, const GSList *list,
 559 const gchar *debug_context)
 560 {
 561         const GSList *cur;
 562
 563         for(cur = list; cur != NULL; cur = cur->next) {
 564                 if (matcherprop_string_match(prop, (gchar *)cur->data, debug_context))
 565                         return TRUE;
 566         }
 567         return FALSE;
 568 }
 569
 570 static gboolean matcherprop_header_line_match(MatcherProp *prop, const gchar *hdr,
 571                                               const gchar *str, const gchar *debug_context)
 572 {
 573         gchar *line = NULL;
 574         gboolean res = FALSE;
 575
 576         if (hdr == NULL || str == NULL)
 577                 return FALSE;
 578
 579         line = g_strdup_printf("%s %s", hdr, str);
 580         res = matcherprop_string_match(prop, line, debug_context);
 581         g_free(line);
 582
 583         return res;
 584 }
 585
 586 #ifdef USE_PTHREAD
 587 typedef struct _thread_data {
 588         const gchar *cmd;
 589         gboolean done;
 590 } thread_data;
 591 #endif
 592
 593 #ifdef USE_PTHREAD
 594 static void *matcher_test_thread(void *data)
 595 {
 596         thread_data *td = (thread_data *)data;
 597         int result = -1;
 598
 599         pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
 600         pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
 601
 602         result = system(td->cmd);
 603         td->done = TRUE; /* let the caller thread join() */
 604         return GINT_TO_POINTER(result);
 605 }
 606 #endif
 607
 608 /*!
 609  *\brief        Execute a command defined in the matcher structure
 610  *
 611  *\param        prop Pointer to matcher structure
 612  *\param        info Pointer to message info structure
 613  *
 614  *\return       gboolean TRUE if command was executed succesfully
 615  */
 616 static gboolean matcherprop_match_test(const MatcherProp *prop,
 617                                           MsgInfo *info)
 618 {
 619         gchar *file;
 620         gchar *cmd;
 621         gint retval;
 622 #ifdef USE_PTHREAD
 623         pthread_t pt;
 624         pthread_attr_t pta;
 625         thread_data *td = g_new0(thread_data, 1);
 626         void *res = NULL;
 627         time_t start_time = time(NULL);
 628 #endif
 629
 630         file = procmsg_get_message_file(info);
 631         if (file == NULL) {
 632 #ifdef USE_PTHREAD
 633                 g_free(td);
 634 #endif
 635                 return FALSE;
 636         }
 637         g_free(file);
 638
 639         cmd = matching_build_command(prop->expr, info);
 640         if (cmd == NULL) {
 641 #ifdef USE_PTHREAD
 642                 g_free(td);
 643 #endif
 644                 return FALSE;
 645 }
 646
 647 #ifdef USE_PTHREAD
 648         /* debug output */
 649         if (debug_filtering_session
 650                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 651                 log_print(LOG_DEBUG_FILTERING,
 652                                 "starting threaded command [ %s ]\n",
 653                                 cmd);
 654         }
 655
 656         td->cmd = cmd;
 657         td->done = FALSE;
 658         if (pthread_attr_init(&pta) != 0 ||
 659             pthread_attr_setdetachstate(&pta, PTHREAD_CREATE_JOINABLE) != 0 ||
 660             pthread_create(&pt, &pta, matcher_test_thread, td) != 0)
 661                 retval = system(cmd);
 662         else {
 663                 debug_print("waiting for test thread\n");
 664                 while(!td->done) {
 665                         /* don't let the interface freeze while waiting */
 666                         claws_do_idle();
 667                         if (time(NULL) - start_time > 30) {
 668                                 pthread_cancel(pt);
 669                                 td->done = TRUE;
 670                                 retval = -1;
 671                         }
 672                 }
 673                 pthread_join(pt, &res);
 674                 retval = GPOINTER_TO_INT(res);
 675                 debug_print(" test thread returned %d\n", retval);
 676         }
 677         g_free(td);
 678 #else
 679         /* debug output */
 680         if (debug_filtering_session
 681                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 682                 log_print(LOG_DEBUG_FILTERING,
 683                                 "starting synchronous command [ %s ]\n",
 684                                 cmd);
 685         }
 686
 687         retval = system(cmd);
 688 #endif
 689         debug_print("Command exit code: %d\n", retval);
 690
 691         /* debug output */
 692         if (debug_filtering_session
 693                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 694                 log_print(LOG_DEBUG_FILTERING,
 695                                 "command returned [ %d ]\n",
 696                                 retval);
 697         }
 698
 699         g_free(cmd);
 700         return (retval == 0);
 701 }
 702
 703 /*!
 704  *\brief        Check if a message matches the condition in a matcher
 705  *              structure.
 706  *
 707  *\param        prop Pointer to matcher structure
 708  *\param        info Pointer to message info
 709  *
 710  *\return       gboolean TRUE if a match
 711  */
 712 static gboolean matcherprop_match(MatcherProp *prop,
 713                                   MsgInfo *info)
 714 {
 715         time_t t;
 716
 717         switch(prop->criteria) {
 718         case MATCHCRITERIA_ALL:
 719                 return TRUE;
 720         case MATCHCRITERIA_UNREAD:
 721                 return MSG_IS_UNREAD(info->flags);
 722         case MATCHCRITERIA_NOT_UNREAD:
 723                 return !MSG_IS_UNREAD(info->flags);
 724         case MATCHCRITERIA_NEW:
 725                 return MSG_IS_NEW(info->flags);
 726         case MATCHCRITERIA_NOT_NEW:
 727                 return !MSG_IS_NEW(info->flags);
 728         case MATCHCRITERIA_MARKED:
 729                 return MSG_IS_MARKED(info->flags);
 730         case MATCHCRITERIA_NOT_MARKED:
 731                 return !MSG_IS_MARKED(info->flags);
 732         case MATCHCRITERIA_DELETED:
 733                 return MSG_IS_DELETED(info->flags);
 734         case MATCHCRITERIA_NOT_DELETED:
 735                 return !MSG_IS_DELETED(info->flags);
 736         case MATCHCRITERIA_REPLIED:
 737                 return MSG_IS_REPLIED(info->flags);
 738         case MATCHCRITERIA_NOT_REPLIED:
 739                 return !MSG_IS_REPLIED(info->flags);
 740         case MATCHCRITERIA_FORWARDED:
 741                 return MSG_IS_FORWARDED(info->flags);
 742         case MATCHCRITERIA_NOT_FORWARDED:
 743                 return !MSG_IS_FORWARDED(info->flags);
 744         case MATCHCRITERIA_LOCKED:
 745                 return MSG_IS_LOCKED(info->flags);
 746         case MATCHCRITERIA_NOT_LOCKED:
 747                 return !MSG_IS_LOCKED(info->flags);
 748         case MATCHCRITERIA_SPAM:
 749                 return MSG_IS_SPAM(info->flags);
 750         case MATCHCRITERIA_NOT_SPAM:
 751                 return !MSG_IS_SPAM(info->flags);
 752         case MATCHCRITERIA_HAS_ATTACHMENT:
 753                 return MSG_IS_WITH_ATTACHMENT(info->flags);
 754         case MATCHCRITERIA_HAS_NO_ATTACHMENT:
 755                 return !MSG_IS_WITH_ATTACHMENT(info->flags);
 756         case MATCHCRITERIA_SIGNED:
 757                 return MSG_IS_SIGNED(info->flags);
 758         case MATCHCRITERIA_NOT_SIGNED:
 759                 return !MSG_IS_SIGNED(info->flags);
 760         case MATCHCRITERIA_COLORLABEL:
 761         {
 762                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 763                 gboolean ret = (color == prop->value);
 764
 765                 /* debug output */
 766                 if (debug_filtering_session
 767                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 768                         if (ret) {
 769                                 log_print(LOG_DEBUG_FILTERING,
 770                                                 "message color value [ %d ] matches color value [ %d ]\n",
 771                                                 color, prop->value);
 772                         } else {
 773                                 log_print(LOG_DEBUG_FILTERING,
 774                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 775                                                 color, prop->value);
 776                         }
 777                 }
 778                 return ret;
 779         }
 780         case MATCHCRITERIA_NOT_COLORLABEL:
 781         {
 782                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 783                 gboolean ret = (color != prop->value);
 784
 785                 /* debug output */
 786                 if (debug_filtering_session
 787                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 788                         if (ret) {
 789                                 log_print(LOG_DEBUG_FILTERING,
 790                                                 "message color value [ %d ] matches color value [ %d ]\n",
 791                                                 color, prop->value);
 792                         } else {
 793                                 log_print(LOG_DEBUG_FILTERING,
 794                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 795                                                 color, prop->value);
 796                         }
 797                 }
 798                 return ret;
 799         }
 800         case MATCHCRITERIA_IGNORE_THREAD:
 801                 return MSG_IS_IGNORE_THREAD(info->flags);
 802         case MATCHCRITERIA_NOT_IGNORE_THREAD:
 803                 return !MSG_IS_IGNORE_THREAD(info->flags);
 804         case MATCHCRITERIA_WATCH_THREAD:
 805                 return MSG_IS_WATCH_THREAD(info->flags);
 806         case MATCHCRITERIA_NOT_WATCH_THREAD:
 807                 return !MSG_IS_WATCH_THREAD(info->flags);
 808         case MATCHCRITERIA_SUBJECT:
 809                 return matcherprop_string_match(prop, info->subject,
 810                                                 prefs_common_translated_header_name("Subject:"));
 811         case MATCHCRITERIA_NOT_SUBJECT:
 812                 return !matcherprop_string_match(prop, info->subject,
 813                                                 prefs_common_translated_header_name("Subject:"));
 814         case MATCHCRITERIA_FROM:
 815         case MATCHCRITERIA_NOT_FROM:
 816         {
 817                 gchar *context;
 818                 gboolean ret;
 819
 820                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("From:"));
 821                 ret = matcherprop_string_match(prop, info->from, context);
 822                 g_free(context);
 823                 return (prop->criteria == MATCHCRITERIA_FROM)? ret : !ret;
 824         }
 825         case MATCHCRITERIA_TO:
 826         case MATCHCRITERIA_NOT_TO:
 827         {
 828                 gchar *context;
 829                 gboolean ret;
 830
 831                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 832                 ret = matcherprop_string_match(prop, info->to, context);
 833                 g_free(context);
 834                 return (prop->criteria == MATCHCRITERIA_TO)? ret : !ret;
 835         }
 836         case MATCHCRITERIA_CC:
 837         case MATCHCRITERIA_NOT_CC:
 838         {
 839                 gchar *context;
 840                 gboolean ret;
 841
 842                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 843                 ret = matcherprop_string_match(prop, info->cc, context);
 844                 g_free(context);
 845                 return (prop->criteria == MATCHCRITERIA_CC)? ret : !ret;
 846         }
 847         case MATCHCRITERIA_TO_OR_CC:
 848         {
 849                 gchar *context1, *context2;
 850                 gboolean ret;
 851
 852                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 853                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 854                 ret = matcherprop_string_match(prop, info->to, context1)
 855                         || matcherprop_string_match(prop, info->cc, context2);
 856                 g_free(context1);
 857                 g_free(context2);
 858                 return ret;
 859         }
 860         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 861         {
 862                 gchar *context1, *context2;
 863                 gboolean ret;
 864
 865                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 866                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 867                 ret = !(matcherprop_string_match(prop, info->to, context1)
 868                         || matcherprop_string_match(prop, info->cc, context2));
 869                 g_free(context1);
 870                 g_free(context2);
 871                 return ret;
 872         }
 873         case MATCHCRITERIA_TAG:
 874         case MATCHCRITERIA_NOT_TAG:
 875         {
 876                 gboolean ret;
 877
 878                 ret = matcherprop_tag_match(prop, info, _("Tag"));
 879                 return (prop->criteria == MATCHCRITERIA_TAG)? ret : !ret;
 880         }
 881         case MATCHCRITERIA_TAGGED:
 882         case MATCHCRITERIA_NOT_TAGGED:
 883         {
 884                 gboolean ret;
 885
 886                 ret = (info->tags != NULL);
 887                 return (prop->criteria == MATCHCRITERIA_TAGGED)? ret : !ret;
 888         }
 889         case MATCHCRITERIA_AGE_GREATER:
 890         {
 891                 gboolean ret;
 892                 gint age;
 893
 894                 t = time(NULL);
 895                 age = ((t - info->date_t) / (60 * 60 * 24));
 896                 ret = (age >= prop->value);
 897
 898                 /* debug output */
 899                 if (debug_filtering_session
 900                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 901                         if (ret) {
 902                                 log_print(LOG_DEBUG_FILTERING,
 903                                                 "message age [ %d ] is greater than [ %d ]\n",
 904                                                 age, prop->value);
 905                         } else {
 906                                 log_print(LOG_DEBUG_FILTERING,
 907                                                 "message age [ %d ] is not greater than [ %d ]\n",
 908                                                 age, prop->value);
 909                         }
 910                 }
 911                 return ret;
 912         }
 913         case MATCHCRITERIA_AGE_LOWER:
 914         {
 915                 gboolean ret;
 916                 gint age;
 917
 918                 t = time(NULL);
 919                 age = ((t - info->date_t) / (60 * 60 * 24));
 920                 ret = (age < prop->value);
 921
 922                 /* debug output */
 923                 if (debug_filtering_session
 924                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 925                         if (ret) {
 926                                 log_print(LOG_DEBUG_FILTERING,
 927                                                 "message age [ %d ] is lower than [ %d ]\n",
 928                                                 age, prop->value);
 929                         } else {
 930                                 log_print(LOG_DEBUG_FILTERING,
 931                                                 "message age [ %d ] is not lower than [ %d ]\n",
 932                                                 age, prop->value);
 933                         }
 934                 }
 935                 return ret;
 936         }
 937         case MATCHCRITERIA_SCORE_GREATER:
 938         {
 939                 gboolean ret = (info->score > prop->value);
 940
 941                 /* debug output */
 942                 if (debug_filtering_session
 943                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 944                         if (ret) {
 945                                 log_print(LOG_DEBUG_FILTERING,
 946                                                 "message score [ %d ] is greater than [ %d ]\n",
 947                                                 info->score, prop->value);
 948                         } else {
 949                                 log_print(LOG_DEBUG_FILTERING,
 950                                                 "message score [ %d ] is not greater than [ %d ]\n",
 951                                                 info->score, prop->value);
 952                         }
 953                 }
 954                 return ret;
 955         }
 956         case MATCHCRITERIA_SCORE_LOWER:
 957         {
 958                 gboolean ret = (info->score < prop->value);
 959
 960                 /* debug output */
 961                 if (debug_filtering_session
 962                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 963                         if (ret) {
 964                                 log_print(LOG_DEBUG_FILTERING,
 965                                                 "message score [ %d ] is lower than [ %d ]\n",
 966                                                 info->score, prop->value);
 967                         } else {
 968                                 log_print(LOG_DEBUG_FILTERING,
 969                                                 "message score [ %d ] is not lower than [ %d ]\n",
 970                                                 info->score, prop->value);
 971                         }
 972                 }
 973                 return ret;
 974         }
 975         case MATCHCRITERIA_SCORE_EQUAL:
 976         {
 977                 gboolean ret = (info->score == prop->value);
 978
 979                 /* debug output */
 980                 if (debug_filtering_session
 981                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 982                         if (ret) {
 983                                 log_print(LOG_DEBUG_FILTERING,
 984                                                 "message score [ %d ] is equal to [ %d ]\n",
 985                                                 info->score, prop->value);
 986                         } else {
 987                                 log_print(LOG_DEBUG_FILTERING,
 988                                                 "message score [ %d ] is not equal to [ %d ]\n",
 989                                                 info->score, prop->value);
 990                         }
 991                 }
 992                 return ret;
 993         }
 994         case MATCHCRITERIA_SIZE_GREATER:
 995         {
 996                 /* FIXME: info->size is a goffset */
 997                 gboolean ret = (info->size > (goffset) prop->value);
 998
 999                 /* debug output */
1000                 if (debug_filtering_session
1001                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1002                         if (ret) {
1003                                 log_print(LOG_DEBUG_FILTERING,
1004                                                 "message size is greater than [ %d ]\n",
1005                                                 prop->value);
1006                         } else {
1007                                 log_print(LOG_DEBUG_FILTERING,
1008                                                 "message size is not greater than [ %d ]\n",
1009                                                 prop->value);
1010                         }
1011                 }
1012                 return ret;
1013         }
1014         case MATCHCRITERIA_SIZE_SMALLER:
1015         {
1016                 /* FIXME: info->size is a goffset */
1017                 gboolean ret = (info->size < (goffset) prop->value);
1018
1019                 /* debug output */
1020                 if (debug_filtering_session
1021                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1022                         if (ret) {
1023                                 log_print(LOG_DEBUG_FILTERING,
1024                                                 "message size is smaller than [ %d ]\n",
1025                                                 prop->value);
1026                         } else {
1027                                 log_print(LOG_DEBUG_FILTERING,
1028                                                 "message size is not smaller than [ %d ]\n",
1029                                                 prop->value);
1030                         }
1031                 }
1032                 return ret;
1033         }
1034         case MATCHCRITERIA_SIZE_EQUAL:
1035         {
1036                 /* FIXME: info->size is a goffset */
1037                 gboolean ret = (info->size == (goffset) prop->value);
1038
1039                 /* debug output */
1040                 if (debug_filtering_session
1041                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1042                         if (ret) {
1043                                 log_print(LOG_DEBUG_FILTERING,
1044                                                 "message size is equal to [ %d ]\n",
1045                                                 prop->value);
1046                         } else {
1047                                 log_print(LOG_DEBUG_FILTERING,
1048                                                 "message size is not equal to [ %d ]\n",
1049                                                 prop->value);
1050                         }
1051                 }
1052                 return ret;
1053         }
1054         case MATCHCRITERIA_PARTIAL:
1055         {
1056                 /* FIXME: info->size is a goffset */
1057                 gboolean ret = (info->total_size != 0 && info->size != (goffset)info->total_size);
1058
1059                 /* debug output */
1060                 if (debug_filtering_session
1061                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1062                         if (ret) {
1063                                 log_print(LOG_DEBUG_FILTERING,
1064                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1065                                                 info->total_size);
1066                         } else {
1067                                 log_print(LOG_DEBUG_FILTERING,
1068                                                 "message is not partially downloaded\n");
1069                         }
1070                 }
1071                 return ret;
1072         }
1073         case MATCHCRITERIA_NOT_PARTIAL:
1074         {
1075                 /* FIXME: info->size is a goffset */
1076                 gboolean ret = (info->total_size == 0 || info->size == (goffset)info->total_size);
1077
1078                 /* debug output */
1079                 if (debug_filtering_session
1080                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1081                         if (ret) {
1082                                 log_print(LOG_DEBUG_FILTERING,
1083                                                 "message is not partially downloaded\n");
1084                         } else {
1085                                 log_print(LOG_DEBUG_FILTERING,
1086                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1087                                                 info->total_size);
1088                         }
1089                 }
1090                 return ret;
1091         }
1092         case MATCHCRITERIA_NEWSGROUPS:
1093         case MATCHCRITERIA_NOT_NEWSGROUPS:
1094         {
1095                 gchar *context;
1096                 gboolean ret;
1097
1098                 context = g_strdup_printf(_("%s header"),
1099                                                 prefs_common_translated_header_name("Newsgroups:"));
1100                 ret = matcherprop_string_match(prop, info->newsgroups, context);
1101                 g_free(context);
1102                 return (prop->criteria == MATCHCRITERIA_NEWSGROUPS)? ret : !ret;
1103         }
1104         case MATCHCRITERIA_INREPLYTO:
1105         case MATCHCRITERIA_NOT_INREPLYTO:
1106         {
1107                 gchar *context;
1108                 gboolean ret;
1109
1110                 context = g_strdup_printf(_("%s header"),
1111                                                 prefs_common_translated_header_name("In-Reply-To:"));
1112                 ret = matcherprop_string_match(prop, info->inreplyto, context);
1113                 g_free(context);
1114                 return (prop->criteria == MATCHCRITERIA_INREPLYTO)? ret : !ret;
1115         }
1116         case MATCHCRITERIA_REFERENCES:
1117         case MATCHCRITERIA_NOT_REFERENCES:
1118         {
1119                 gchar *context;
1120                 gboolean ret;
1121
1122                 context = g_strdup_printf(_("%s header"),
1123                                                 prefs_common_translated_header_name("References:"));
1124                 ret = matcherprop_list_match(prop, info->references, context);
1125                 g_free(context);
1126                 return (prop->criteria == MATCHCRITERIA_REFERENCES)? ret : !ret;
1127         }
1128         case MATCHCRITERIA_TEST:
1129                 return matcherprop_match_test(prop, info);
1130         case MATCHCRITERIA_NOT_TEST:
1131                 return !matcherprop_match_test(prop, info);
1132         default:
1133                 return FALSE;
1134         }
1135 }
1136
1137 /* ********************* MatcherList *************************** */
1138
1139 /*!
1140  *\brief        Create a new list of matchers
1141  *
1142  *\param        matchers List of matcher structures
1143  *\param        bool_and Operator
1144  *
1145  *\return       MatcherList * New list
1146  */
1147 MatcherList *matcherlist_new(GSList *matchers, gboolean bool_and)
1148 {
1149         MatcherList *cond;
1150
1151         cond = g_new0(MatcherList, 1);
1152
1153         cond->matchers = matchers;
1154         cond->bool_and = bool_and;
1155
1156         return cond;
1157 }
1158
1159 /*!
1160  *\brief        Frees a list of matchers
1161  *
1162  *\param        cond List of matchers
1163  */
1164 void matcherlist_free(MatcherList *cond)
1165 {
1166         GSList *l;
1167
1168         cm_return_if_fail(cond);
1169         for (l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
1170                 matcherprop_free((MatcherProp *) l->data);
1171         }
1172         g_slist_free(cond->matchers);
1173         g_free(cond);
1174 }
1175
1176 /*!
1177  *\brief        Skip all headers in a message file
1178  *
1179  *\param        fp Message file
1180  */
1181 static void matcherlist_skip_headers(FILE *fp)
1182 {
1183         gchar buf[BUFFSIZE];
1184
1185         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
1186                 ;
1187 }
1188
1189 /*!
1190  *\brief        Check if a header matches a matcher condition
1191  *
1192  *\param        matcher Matcher structure to check header for
1193  *\param        buf Header name
1194  *
1195  *\return       boolean TRUE if matching header
1196  */
1197 static gboolean matcherprop_match_one_header(MatcherProp *matcher,
1198                                              gchar *buf)
1199 {
1200         gboolean result = FALSE;
1201         Header *header = NULL;
1202
1203         switch (matcher->criteria) {
1204         case MATCHCRITERIA_HEADER:
1205         case MATCHCRITERIA_NOT_HEADER:
1206                 header = procheader_parse_header(buf);
1207                 if (!header)
1208                         return FALSE;
1209                 if (procheader_headername_equal(header->name,
1210                                                 matcher->header)) {
1211                         if (matcher->criteria == MATCHCRITERIA_HEADER)
1212                                 result = matcherprop_string_match(matcher, header->body, _("header"));
1213                         else
1214                                 result = !matcherprop_string_match(matcher, header->body, _("header"));
1215                         procheader_header_free(header);
1216                         return result;
1217                 }
1218                 else {
1219                         procheader_header_free(header);
1220                 }
1221                 break;
1222         case MATCHCRITERIA_HEADERS_PART:
1223         case MATCHCRITERIA_MESSAGE:
1224                 header = procheader_parse_header(buf);
1225                 if (!header)
1226                         return FALSE;
1227                 result = matcherprop_header_line_match(matcher,
1228                                header->name, header->body, _("header line"));
1229                 procheader_header_free(header);
1230                 return result;
1231         case MATCHCRITERIA_NOT_HEADERS_PART:
1232         case MATCHCRITERIA_NOT_MESSAGE:
1233                 header = procheader_parse_header(buf);
1234                 if (!header)
1235                         return FALSE;
1236                 result = !matcherprop_header_line_match(matcher,
1237                                header->name, header->body, _("header line"));
1238                 procheader_header_free(header);
1239                 return result;
1240         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1241         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1242                 {
1243                         GSList *address_list = NULL;
1244                         gint match = MATCH_ONE;
1245                         gboolean found = FALSE;
1246
1247                         /* how many address headers are me trying to mach? */
1248                         if (strcasecmp(matcher->header, "Any") == 0)
1249                                 match = MATCH_ANY;
1250                         else if (strcasecmp(matcher->header, "All") == 0)
1251                                         match = MATCH_ALL;
1252
1253                         if (match == MATCH_ONE) {
1254                                 /* matching one address header exactly, is that the right one? */
1255                                 header = procheader_parse_header(buf);
1256                                 if (!header ||
1257                                                 !procheader_headername_equal(header->name, matcher->header))
1258                                         return FALSE;
1259                                 address_list = address_list_append(address_list, header->body);
1260                                 if (address_list == NULL)
1261                                         return FALSE;
1262
1263                         } else {
1264                                 header = procheader_parse_header(buf);
1265                                 if (!header)
1266                                         return FALSE;
1267                                 /* address header is one of the headers we have to match when checking
1268                                    for any address header or all address headers? */
1269                                 if (procheader_headername_equal(header->name, "From") ||
1270                                          procheader_headername_equal(header->name, "To") ||
1271                                          procheader_headername_equal(header->name, "Cc") ||
1272                                          procheader_headername_equal(header->name, "Reply-To") ||
1273                                          procheader_headername_equal(header->name, "Sender"))
1274                                         address_list = address_list_append(address_list, header->body);
1275                                 if (address_list == NULL)
1276                                         return FALSE;
1277                         }
1278
1279                         found = match_with_addresses_in_addressbook
1280                                                         (matcher, address_list, matcher->criteria,
1281                                                          matcher->expr, match);
1282                         g_slist_free(address_list);
1283
1284                         if (matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK)
1285                                 return !found;
1286                         else
1287                                 return found;
1288         }
1289         }
1290
1291         return FALSE;
1292 }
1293
1294 /*!
1295  *\brief        Check if the matcher structure wants headers to
1296  *              be matched
1297  *
1298  *\param        matcher Matcher structure
1299  *
1300  *\return       gboolean TRUE if the matcher structure describes
1301  *              a header match condition
1302  */
1303 static gboolean matcherprop_criteria_headers(const MatcherProp *matcher)
1304 {
1305         switch (matcher->criteria) {
1306         case MATCHCRITERIA_HEADER:
1307         case MATCHCRITERIA_NOT_HEADER:
1308         case MATCHCRITERIA_HEADERS_PART:
1309         case MATCHCRITERIA_NOT_HEADERS_PART:
1310         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1311         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1312                 return TRUE;
1313         default:
1314                 return FALSE;
1315         }
1316 }
1317
1318 /*!
1319  *\brief        Check if the matcher structure wants the message
1320  *              to be matched (just perform an action on any
1321  *              message)
1322  *
1323  *\param        matcher Matcher structure
1324  *
1325  *\return       gboolean TRUE if matcher condition should match
1326  *              a message
1327  */
1328 static gboolean matcherprop_criteria_message(MatcherProp *matcher)
1329 {
1330         switch (matcher->criteria) {
1331         case MATCHCRITERIA_MESSAGE:
1332         case MATCHCRITERIA_NOT_MESSAGE:
1333                 return TRUE;
1334         default:
1335                 return FALSE;
1336         }
1337 }
1338
1339 /*!
1340  *\brief        Check if a list of conditions matches one header in
1341  *              a message file.
1342  *
1343  *\param        matchers List of conditions
1344  *\param        fp Message file
1345  *
1346  *\return       gboolean TRUE if one of the headers is matched by
1347  *              the list of conditions.
1348  */
1349 static gboolean matcherlist_match_headers(MatcherList *matchers, FILE *fp)
1350 {
1351         GSList *l;
1352         gchar buf[BUFFSIZE];
1353
1354         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
1355                 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1356                         MatcherProp *matcher = (MatcherProp *) l->data;
1357                         gint match = MATCH_ANY;
1358
1359                         if (matcher->done)
1360                                 continue;
1361
1362                         /* determine the match range (all, any are our concern here) */
1363                         if (matcher->criteria == MATCHCRITERIA_NOT_HEADERS_PART ||
1364                             matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1365                                 match = MATCH_ALL;
1366
1367                         } else if (matcher->criteria == MATCHCRITERIA_FOUND_IN_ADDRESSBOOK ||
1368                                            matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK) {
1369                                 Header *header = NULL;
1370
1371                                 /* address header is one of the headers we have to match when checking
1372                                    for any address header or all address headers? */
1373                                 header = procheader_parse_header(buf);
1374                                 if (header &&
1375                                         (procheader_headername_equal(header->name, "From") ||
1376                                          procheader_headername_equal(header->name, "To") ||
1377                                          procheader_headername_equal(header->name, "Cc") ||
1378                                          procheader_headername_equal(header->name, "Reply-To") ||
1379                                          procheader_headername_equal(header->name, "Sender"))) {
1380
1381                                         if (strcasecmp(matcher->header, "Any") == 0)
1382                                                 match = MATCH_ANY;
1383                                         else if (strcasecmp(matcher->header, "All") == 0)
1384                                                 match = MATCH_ALL;
1385                                         else
1386                                                 match = MATCH_ONE;
1387                                 } else {
1388                                         /* further call to matcherprop_match_one_header() can't match
1389                                            and it irrelevant, so: don't alter the match result */
1390                                         continue;
1391                                 }
1392                         }
1393
1394                         /* ZERO line must NOT match for the rule to match.
1395                          */
1396                         if (match == MATCH_ALL) {
1397                                 if (matcherprop_match_one_header(matcher, buf)) {
1398                                         matcher->result = TRUE;
1399                                 } else {
1400                                         matcher->result = FALSE;
1401                                         matcher->done = TRUE;
1402                                 }
1403                         /* else, just one line matching is enough for the rule to match
1404                          */
1405                         } else if (matcherprop_criteria_headers(matcher) ||
1406                                    matcherprop_criteria_message(matcher)) {
1407                                 if (matcherprop_match_one_header(matcher, buf)) {
1408                                         matcher->result = TRUE;
1409                                         matcher->done = TRUE;
1410                                 }
1411                         }
1412
1413                         /* if the rule matched and the matchers are OR, no need to
1414                          * check the others */
1415                         if (matcher->result && matcher->done) {
1416                                 if (!matchers->bool_and)
1417                                         return TRUE;
1418                         }
1419                 }
1420         }
1421
1422         return FALSE;
1423 }
1424
1425 /*!
1426  *\brief        Check if a matcher wants to check the message body
1427  *
1428  *\param        matcher Matcher structure
1429  *
1430  *\return       gboolean TRUE if body must be matched.
1431  */
1432 static gboolean matcherprop_criteria_body(const MatcherProp *matcher)
1433 {
1434         switch (matcher->criteria) {
1435         case MATCHCRITERIA_BODY_PART:
1436         case MATCHCRITERIA_NOT_BODY_PART:
1437                 return TRUE;
1438         default:
1439                 return FALSE;
1440         }
1441 }
1442
1443 static gboolean matcherlist_match_binary_content(MatcherList *matchers, MimeInfo *partinfo)
1444 {
1445         FILE *outfp;
1446         gchar buf[BUFFSIZE];
1447         GSList *l;
1448
1449         if (partinfo->type == MIMETYPE_TEXT)
1450                 return FALSE;
1451         else
1452                 outfp = procmime_get_binary_content(partinfo);
1453
1454         if (!outfp)
1455                 return FALSE;
1456
1457         while (fgets(buf, sizeof(buf), outfp) != NULL) {
1458                 strretchomp(buf);
1459
1460                 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1461                         MatcherProp *matcher = (MatcherProp *) l->data;
1462
1463                         if (matcher->done)
1464                                 continue;
1465
1466                         /* Don't scan non-text parts when looking in body, only
1467                          * when looking in whole message
1468                          */
1469                         if (partinfo && partinfo->type != MIMETYPE_TEXT &&
1470                         (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1471                         matcher->criteria == MATCHCRITERIA_BODY_PART))
1472                                 continue;
1473
1474                         /* if the criteria is ~body_part or ~message, ZERO lines
1475                          * must match for the rule to match.
1476                          */
1477                         if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1478                             matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1479                                 if (matcherprop_string_match(matcher, buf,
1480                                                         _("body line"))) {
1481                                         matcher->result = FALSE;
1482                                         matcher->done = TRUE;
1483                                 } else
1484                                         matcher->result = TRUE;
1485                         /* else, just one line has to match */
1486                         } else if (matcherprop_criteria_body(matcher) ||
1487                                    matcherprop_criteria_message(matcher)) {
1488                                 if (matcherprop_string_match(matcher, buf,
1489                                                         _("body line"))) {
1490                                         matcher->result = TRUE;
1491                                         matcher->done = TRUE;
1492                                 }
1493                         }
1494
1495                         /* if the matchers are OR'ed and the rule matched,
1496                          * no need to check the others. */
1497                         if (matcher->result && matcher->done) {
1498                                 if (!matchers->bool_and) {
1499                                         fclose(outfp);
1500                                         return TRUE;
1501                                 }
1502                         }
1503                 }
1504         }
1505
1506         fclose(outfp);
1507         return FALSE;
1508 }
1509
1510 static gboolean match_content_cb(const gchar *buf, gpointer data)
1511 {
1512         MatcherList *matchers = (MatcherList *)data;
1513         gboolean all_done = TRUE;
1514         GSList *l;
1515
1516         for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1517                 MatcherProp *matcher = (MatcherProp *) l->data;
1518
1519                 if (matcher->done)
1520                         continue;
1521
1522                 /* if the criteria is ~body_part or ~message, ZERO lines
1523                  * must match for the rule to match.
1524                  */
1525                 if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1526                     matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1527                         if (matcherprop_string_match(matcher, buf,
1528                                                 _("body line"))) {
1529                                 matcher->result = FALSE;
1530                                 matcher->done = TRUE;
1531                         } else
1532                                 matcher->result = TRUE;
1533                 /* else, just one line has to match */
1534                 } else if (matcherprop_criteria_body(matcher) ||
1535                            matcherprop_criteria_message(matcher)) {
1536                         if (matcherprop_string_match(matcher, buf,
1537                                                 _("body line"))) {
1538                                 matcher->result = TRUE;
1539                                 matcher->done = TRUE;
1540                         }
1541                 }
1542
1543                 /* if the matchers are OR'ed and the rule matched,
1544                  * no need to check the others. */
1545                 if (matcher->result && matcher->done) {
1546                         if (!matchers->bool_and) {
1547                                 return TRUE;
1548                         }
1549                 }
1550
1551                 if (!matcher->done)
1552                         all_done = FALSE;
1553         }
1554         return all_done;
1555 }
1556
1557 static gboolean matcherlist_match_text_content(MatcherList *matchers, MimeInfo *partinfo)
1558 {
1559         if (partinfo->type != MIMETYPE_TEXT)
1560                 return FALSE;
1561
1562         return procmime_scan_text_content(partinfo, match_content_cb, matchers);
1563 }
1564
1565 /*!
1566  *\brief        Check if a line in a message file's body matches
1567  *              the criteria
1568  *
1569  *\param        matchers List of conditions
1570  *\param        fp Message file
1571  *
1572  *\return       gboolean TRUE if succesful match
1573  */
1574 static gboolean matcherlist_match_body(MatcherList *matchers, gboolean body_only, MsgInfo *info)
1575 {
1576         MimeInfo *mimeinfo = NULL;
1577         MimeInfo *partinfo = NULL;
1578         gboolean first_text_found = FALSE;
1579
1580         cm_return_val_if_fail(info != NULL, FALSE);
1581
1582         mimeinfo = procmime_scan_message(info);
1583
1584         /* Skip headers */
1585         partinfo = procmime_mimeinfo_next(mimeinfo);
1586
1587         for (; partinfo != NULL; partinfo = procmime_mimeinfo_next(partinfo)) {
1588
1589                 if (partinfo->type != MIMETYPE_TEXT && body_only)
1590                         continue;
1591
1592                 if (partinfo->type == MIMETYPE_TEXT) {
1593                         first_text_found = TRUE;
1594                         if (matcherlist_match_text_content(matchers, partinfo)) {
1595                                 procmime_mimeinfo_free_all(mimeinfo);
1596                                 return TRUE;
1597                         }
1598                 } else if (matcherlist_match_binary_content(matchers, partinfo)) {
1599                         procmime_mimeinfo_free_all(mimeinfo);
1600                         return TRUE;
1601                 }
1602
1603                 if (body_only && first_text_found)
1604                         break;
1605         }
1606         procmime_mimeinfo_free_all(mimeinfo);
1607
1608         return FALSE;
1609 }
1610
1611 /*!
1612  *\brief        Check if a message file matches criteria
1613  *
1614  *\param        matchers Criteria
1615  *\param        info Message info
1616  *\param        result Default result
1617  *
1618  *\return       gboolean TRUE if matched
1619  */
1620 static gboolean matcherlist_match_file(MatcherList *matchers, MsgInfo *info,
1621                                 gboolean result)
1622 {
1623         gboolean read_headers;
1624         gboolean read_body;
1625         gboolean body_only;
1626         GSList *l;
1627         FILE *fp;
1628         gchar *file;
1629
1630         /* file need to be read ? */
1631
1632         read_headers = FALSE;
1633         read_body = FALSE;
1634         body_only = TRUE;
1635         for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1636                 MatcherProp *matcher = (MatcherProp *) l->data;
1637
1638                 if (matcherprop_criteria_headers(matcher))
1639                         read_headers = TRUE;
1640                 if (matcherprop_criteria_body(matcher))
1641                         read_body = TRUE;
1642                 if (matcherprop_criteria_message(matcher)) {
1643                         read_headers = TRUE;
1644                         read_body = TRUE;
1645                         body_only = FALSE;
1646                 }
1647                 matcher->result = FALSE;
1648                 matcher->done = FALSE;
1649         }
1650
1651         if (!read_headers && !read_body)
1652                 return result;
1653
1654         file = procmsg_get_message_file_full(info, read_headers, read_body);
1655         if (file == NULL)
1656                 return FALSE;
1657
1658         if ((fp = g_fopen(file, "rb")) == NULL) {
1659                 FILE_OP_ERROR(file, "fopen");
1660                 g_free(file);
1661                 return result;
1662         }
1663
1664         /* read the headers */
1665
1666         if (read_headers) {
1667                 if (matcherlist_match_headers(matchers, fp))
1668                         read_body = FALSE;
1669         } else {
1670                 matcherlist_skip_headers(fp);
1671         }
1672
1673         /* read the body */
1674         if (read_body) {
1675                 matcherlist_match_body(matchers, body_only, info);
1676         }
1677
1678         for (l = matchers->matchers; l != NULL; l = g_slist_next(l)) {
1679                 MatcherProp *matcher = (MatcherProp *) l->data;
1680
1681                 if (matcherprop_criteria_headers(matcher) ||
1682                     matcherprop_criteria_body(matcher)    ||
1683                     matcherprop_criteria_message(matcher)) {
1684                         if (matcher->result) {
1685                                 if (!matchers->bool_and) {
1686                                         result = TRUE;
1687                                         break;
1688                                 }
1689                         }
1690                         else {
1691                                 if (matchers->bool_and) {
1692                                         result = FALSE;
1693                                         break;
1694                                 }
1695                         }
1696                 }
1697         }
1698
1699         g_free(file);
1700
1701         fclose(fp);
1702
1703         return result;
1704 }
1705
1706 /*!
1707  *\brief        Test list of conditions on a message.
1708  *
1709  *\param        matchers List of conditions
1710  *\param        info Message info
1711  *
1712  *\return       gboolean TRUE if matched
1713  */
1714 gboolean matcherlist_match(MatcherList *matchers, MsgInfo *info)
1715 {
1716         GSList *l;
1717         gboolean result;
1718
1719         if (!matchers)
1720                 return FALSE;
1721
1722         if (matchers->bool_and)
1723                 result = TRUE;
1724         else
1725                 result = FALSE;
1726
1727         /* test the cached elements */
1728
1729         for (l = matchers->matchers; l != NULL ;l = g_slist_next(l)) {
1730                 MatcherProp *matcher = (MatcherProp *) l->data;
1731
1732                 if (debug_filtering_session) {
1733                         gchar *buf = matcherprop_to_string(matcher);
1734                         log_print(LOG_DEBUG_FILTERING, _("checking if message matches [ %s ]\n"), buf);
1735                         g_free(buf);
1736                 }
1737
1738                 switch(matcher->criteria) {
1739                 case MATCHCRITERIA_ALL:
1740                 case MATCHCRITERIA_UNREAD:
1741                 case MATCHCRITERIA_NOT_UNREAD:
1742                 case MATCHCRITERIA_NEW:
1743                 case MATCHCRITERIA_NOT_NEW:
1744                 case MATCHCRITERIA_MARKED:
1745                 case MATCHCRITERIA_NOT_MARKED:
1746                 case MATCHCRITERIA_DELETED:
1747                 case MATCHCRITERIA_NOT_DELETED:
1748                 case MATCHCRITERIA_REPLIED:
1749                 case MATCHCRITERIA_NOT_REPLIED:
1750                 case MATCHCRITERIA_FORWARDED:
1751                 case MATCHCRITERIA_NOT_FORWARDED:
1752                 case MATCHCRITERIA_LOCKED:
1753                 case MATCHCRITERIA_NOT_LOCKED:
1754                 case MATCHCRITERIA_SPAM:
1755                 case MATCHCRITERIA_NOT_SPAM:
1756                 case MATCHCRITERIA_HAS_ATTACHMENT:
1757                 case MATCHCRITERIA_HAS_NO_ATTACHMENT:
1758                 case MATCHCRITERIA_SIGNED:
1759                 case MATCHCRITERIA_NOT_SIGNED:
1760                 case MATCHCRITERIA_COLORLABEL:
1761                 case MATCHCRITERIA_NOT_COLORLABEL:
1762                 case MATCHCRITERIA_IGNORE_THREAD:
1763                 case MATCHCRITERIA_NOT_IGNORE_THREAD:
1764                 case MATCHCRITERIA_WATCH_THREAD:
1765                 case MATCHCRITERIA_NOT_WATCH_THREAD:
1766                 case MATCHCRITERIA_SUBJECT:
1767                 case MATCHCRITERIA_NOT_SUBJECT:
1768                 case MATCHCRITERIA_FROM:
1769                 case MATCHCRITERIA_NOT_FROM:
1770                 case MATCHCRITERIA_TO:
1771                 case MATCHCRITERIA_NOT_TO:
1772                 case MATCHCRITERIA_CC:
1773                 case MATCHCRITERIA_NOT_CC:
1774                 case MATCHCRITERIA_TO_OR_CC:
1775                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
1776                 case MATCHCRITERIA_TAG:
1777                 case MATCHCRITERIA_NOT_TAG:
1778                 case MATCHCRITERIA_TAGGED:
1779                 case MATCHCRITERIA_NOT_TAGGED:
1780                 case MATCHCRITERIA_AGE_GREATER:
1781                 case MATCHCRITERIA_AGE_LOWER:
1782                 case MATCHCRITERIA_NEWSGROUPS:
1783                 case MATCHCRITERIA_NOT_NEWSGROUPS:
1784                 case MATCHCRITERIA_INREPLYTO:
1785                 case MATCHCRITERIA_NOT_INREPLYTO:
1786                 case MATCHCRITERIA_REFERENCES:
1787                 case MATCHCRITERIA_NOT_REFERENCES:
1788                 case MATCHCRITERIA_SCORE_GREATER:
1789                 case MATCHCRITERIA_SCORE_LOWER:
1790                 case MATCHCRITERIA_SCORE_EQUAL:
1791                 case MATCHCRITERIA_SIZE_GREATER:
1792                 case MATCHCRITERIA_SIZE_SMALLER:
1793                 case MATCHCRITERIA_SIZE_EQUAL:
1794                 case MATCHCRITERIA_TEST:
1795                 case MATCHCRITERIA_NOT_TEST:
1796                 case MATCHCRITERIA_PARTIAL:
1797                 case MATCHCRITERIA_NOT_PARTIAL:
1798                         if (matcherprop_match(matcher, info)) {
1799                                 if (!matchers->bool_and) {
1800                                         if (debug_filtering_session)
1801                                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1802                                         return TRUE;
1803                                 }
1804                         }
1805                         else {
1806                                 if (matchers->bool_and) {
1807                                         if (debug_filtering_session)
1808                                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1809                                         return FALSE;
1810                                 }
1811                         }
1812                 }
1813         }
1814
1815         /* test the condition on the file */
1816
1817         if (matcherlist_match_file(matchers, info, result)) {
1818                 if (!matchers->bool_and) {
1819                         if (debug_filtering_session)
1820                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1821                         return TRUE;
1822                 }
1823         } else {
1824                 if (matchers->bool_and) {
1825                         if (debug_filtering_session)
1826                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1827                         return FALSE;
1828                 }
1829         }
1830
1831         if (debug_filtering_session) {
1832                 if (result)
1833                         log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1834                 else
1835                         log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1836         }
1837         return result;
1838 }
1839
1840
1841 static gint quote_filter_str(gchar * result, guint size,
1842                              const gchar * path)
1843 {
1844         const gchar * p;
1845         gchar * result_p;
1846         guint remaining;
1847
1848         result_p = result;
1849         remaining = size;
1850
1851         for(p = path ; * p != '\0' ; p ++) {
1852
1853                 if ((* p != '\"') && (* p != '\\')) {
1854                         if (remaining > 0) {
1855                                 * result_p = * p;
1856                                 result_p ++;
1857                                 remaining --;
1858                         }
1859                         else {
1860                                 result[size - 1] = '\0';
1861                                 return -1;
1862                         }
1863                 }
1864                 else {
1865                         if (remaining >= 2) {
1866                                 * result_p = '\\';
1867                                 result_p ++;
1868                                 * result_p = * p;
1869                                 result_p ++;
1870                                 remaining -= 2;
1871                         }
1872                         else {
1873                                 result[size - 1] = '\0';
1874                                 return -1;
1875                         }
1876                 }
1877         }
1878         if (remaining > 0) {
1879                 * result_p = '\0';
1880         }
1881         else {
1882                 result[size - 1] = '\0';
1883                 return -1;
1884         }
1885
1886         return 0;
1887 }
1888
1889
1890 gchar * matcher_quote_str(const gchar * src)
1891 {
1892         gchar * res;
1893         gint len;
1894
1895         len = strlen(src) * 2 + 1;
1896         res = g_malloc(len);
1897         quote_filter_str(res, len, src);
1898
1899         return res;
1900 }
1901
1902 /*!
1903  *\brief        Convert a matcher structure to a string
1904  *
1905  *\param        matcher Matcher structure
1906  *
1907  *\return       gchar * Newly allocated string
1908  */
1909 gchar *matcherprop_to_string(MatcherProp *matcher)
1910 {
1911         gchar *matcher_str = NULL;
1912         const gchar *criteria_str;
1913         const gchar *matchtype_str;
1914         int i;
1915         gchar * quoted_expr;
1916         gchar * quoted_header;
1917
1918         criteria_str = NULL;
1919         for (i = 0; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)); i++) {
1920                 if (matchparser_tab[i].id == matcher->criteria)
1921                         criteria_str = matchparser_tab[i].str;
1922         }
1923         if (criteria_str == NULL)
1924                 return NULL;
1925
1926         switch (matcher->criteria) {
1927         case MATCHCRITERIA_AGE_GREATER:
1928         case MATCHCRITERIA_AGE_LOWER:
1929         case MATCHCRITERIA_SCORE_GREATER:
1930         case MATCHCRITERIA_SCORE_LOWER:
1931         case MATCHCRITERIA_SCORE_EQUAL:
1932         case MATCHCRITERIA_SIZE_GREATER:
1933         case MATCHCRITERIA_SIZE_SMALLER:
1934         case MATCHCRITERIA_SIZE_EQUAL:
1935         case MATCHCRITERIA_COLORLABEL:
1936         case MATCHCRITERIA_NOT_COLORLABEL:
1937                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
1938         case MATCHCRITERIA_ALL:
1939         case MATCHCRITERIA_UNREAD:
1940         case MATCHCRITERIA_NOT_UNREAD:
1941         case MATCHCRITERIA_NEW:
1942         case MATCHCRITERIA_NOT_NEW:
1943         case MATCHCRITERIA_MARKED:
1944         case MATCHCRITERIA_NOT_MARKED:
1945         case MATCHCRITERIA_DELETED:
1946         case MATCHCRITERIA_NOT_DELETED:
1947         case MATCHCRITERIA_REPLIED:
1948         case MATCHCRITERIA_NOT_REPLIED:
1949         case MATCHCRITERIA_FORWARDED:
1950         case MATCHCRITERIA_NOT_FORWARDED:
1951         case MATCHCRITERIA_LOCKED:
1952         case MATCHCRITERIA_NOT_LOCKED:
1953         case MATCHCRITERIA_SPAM:
1954         case MATCHCRITERIA_NOT_SPAM:
1955         case MATCHCRITERIA_HAS_ATTACHMENT:
1956         case MATCHCRITERIA_HAS_NO_ATTACHMENT:
1957         case MATCHCRITERIA_SIGNED:
1958         case MATCHCRITERIA_NOT_SIGNED:
1959         case MATCHCRITERIA_PARTIAL:
1960         case MATCHCRITERIA_NOT_PARTIAL:
1961         case MATCHCRITERIA_IGNORE_THREAD:
1962         case MATCHCRITERIA_NOT_IGNORE_THREAD:
1963         case MATCHCRITERIA_WATCH_THREAD:
1964         case MATCHCRITERIA_NOT_WATCH_THREAD:
1965         case MATCHCRITERIA_TAGGED:
1966         case MATCHCRITERIA_NOT_TAGGED:
1967                 return g_strdup(criteria_str);
1968         case MATCHCRITERIA_TEST:
1969         case MATCHCRITERIA_NOT_TEST:
1970                 quoted_expr = matcher_quote_str(matcher->expr);
1971                 matcher_str = g_strdup_printf("%s \"%s\"",
1972                                               criteria_str, quoted_expr);
1973                 g_free(quoted_expr);
1974                 return matcher_str;
1975         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1976         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1977                 quoted_header = matcher_quote_str(matcher->header);
1978                 quoted_expr = matcher_quote_str(matcher->expr);
1979                 matcher_str = g_strdup_printf("%s \"%s\" in \"%s\"",
1980                                               criteria_str, quoted_header, quoted_expr);
1981                 g_free(quoted_header);
1982                 g_free(quoted_expr);
1983                 return matcher_str;
1984         }
1985
1986         matchtype_str = NULL;
1987         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
1988                 if (matchparser_tab[i].id == matcher->matchtype)
1989                         matchtype_str = matchparser_tab[i].str;
1990         }
1991
1992         if (matchtype_str == NULL)
1993                 return NULL;
1994
1995         switch (matcher->matchtype) {
1996         case MATCHTYPE_MATCH:
1997         case MATCHTYPE_MATCHCASE:
1998         case MATCHTYPE_REGEXP:
1999         case MATCHTYPE_REGEXPCASE:
2000                 quoted_expr = matcher_quote_str(matcher->expr);
2001                 if (matcher->header) {
2002                         quoted_header = matcher_quote_str(matcher->header);
2003                         matcher_str = g_strdup_printf
2004                                         ("%s \"%s\" %s \"%s\"",
2005                                          criteria_str, quoted_header,
2006                                          matchtype_str, quoted_expr);
2007                         g_free(quoted_header);
2008                 }
2009                 else
2010                         matcher_str = g_strdup_printf
2011                                         ("%s %s \"%s\"", criteria_str,
2012                                          matchtype_str, quoted_expr);
2013                 g_free(quoted_expr);
2014                 break;
2015         }
2016
2017         return matcher_str;
2018 }
2019
2020 /*!
2021  *\brief        Convert a list of conditions to a string
2022  *
2023  *\param        matchers List of conditions
2024  *
2025  *\return       gchar * Newly allocated string
2026  */
2027 gchar *matcherlist_to_string(const MatcherList *matchers)
2028 {
2029         gint count;
2030         gchar **vstr;
2031         GSList *l;
2032         gchar **cur_str;
2033         gchar *result = NULL;
2034
2035         count = g_slist_length(matchers->matchers);
2036         vstr = g_new(gchar *, count + 1);
2037
2038         for (l = matchers->matchers, cur_str = vstr; l != NULL;
2039              l = g_slist_next(l), cur_str ++) {
2040                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
2041                 if (*cur_str == NULL)
2042                         break;
2043         }
2044         *cur_str = NULL;
2045
2046         if (matchers->bool_and)
2047                 result = g_strjoinv(" & ", vstr);
2048         else
2049                 result = g_strjoinv(" | ", vstr);
2050
2051         for (cur_str = vstr ; *cur_str != NULL ; cur_str ++)
2052                 g_free(*cur_str);
2053         g_free(vstr);
2054
2055         return result;
2056 }
2057
2058
2059 #define STRLEN_ZERO(s) ((s) ? strlen(s) : 0)
2060 #define STRLEN_DEFAULT(s,d) ((s) ? strlen(s) : STRLEN_ZERO(d))
2061
2062 static void add_str_default(gchar ** dest,
2063                             const gchar * s, const gchar * d)
2064 {
2065         gchar quoted_str[4096];
2066         const gchar * str;
2067
2068         if (s != NULL)
2069                 str = s;
2070         else
2071                 str = d;
2072
2073         quote_cmd_argument(quoted_str, sizeof(quoted_str), str);
2074         strcpy(* dest, quoted_str);
2075
2076         (* dest) += strlen(* dest);
2077 }
2078
2079 /* matching_build_command() - preferably cmd should be unescaped */
2080 /*!
2081  *\brief        Build the command-line to execute
2082  *
2083  *\param        cmd String with command-line specifiers
2084  *\param        info Message info to use for command
2085  *
2086  *\return       gchar * Newly allocated string
2087  */
2088 gchar *matching_build_command(const gchar *cmd, MsgInfo *info)
2089 {
2090         const gchar *s = cmd;
2091         gchar *filename = NULL;
2092         gchar *processed_cmd;
2093         gchar *p;
2094         gint size;
2095
2096         const gchar *const no_subject    = _("(none)") ;
2097         const gchar *const no_from       = _("(none)") ;
2098         const gchar *const no_to         = _("(none)") ;
2099         const gchar *const no_cc         = _("(none)") ;
2100         const gchar *const no_date       = _("(none)") ;
2101         const gchar *const no_msgid      = _("(none)") ;
2102         const gchar *const no_newsgroups = _("(none)") ;
2103         const gchar *const no_references = _("(none)") ;
2104
2105         size = STRLEN_ZERO(cmd) + 1;
2106         while (*s != '\0') {
2107                 if (*s == '%') {
2108                         s++;
2109                         switch (*s) {
2110                         case '%':
2111                                 size -= 1;
2112                                 break;
2113                         case 's': /* subject */
2114                                 size += STRLEN_DEFAULT(info->subject, no_subject) - 2;
2115                                 break;
2116                         case 'f': /* from */
2117                                 size += STRLEN_DEFAULT(info->from, no_from) - 2;
2118                                 break;
2119                         case 't': /* to */
2120                                 size += STRLEN_DEFAULT(info->to, no_to) - 2;
2121                                 break;
2122                         case 'c': /* cc */
2123                                 size += STRLEN_DEFAULT(info->cc, no_cc) - 2;
2124                                 break;
2125                         case 'd': /* date */
2126                                 size += STRLEN_DEFAULT(info->date, no_date) - 2;
2127                                 break;
2128                         case 'i': /* message-id */
2129                                 size += STRLEN_DEFAULT(info->msgid, no_msgid) - 2;
2130                                 break;
2131                         case 'n': /* newsgroups */
2132                                 size += STRLEN_DEFAULT(info->newsgroups, no_newsgroups) - 2;
2133                                 break;
2134                         case 'r': /* references */
2135                                 /* FIXME: using the inreplyto header for reference */
2136                                 size += STRLEN_DEFAULT(info->inreplyto, no_references) - 2;
2137                                 break;
2138                         case 'F': /* file */
2139                                 if (filename == NULL)
2140                                         filename = folder_item_fetch_msg(info->folder, info->msgnum);
2141
2142                                 if (filename == NULL) {
2143                                         g_warning("filename is not set");
2144                                         return NULL;
2145                                 }
2146                                 else {
2147                                         size += strlen(filename) - 2;
2148                                 }
2149                                 break;
2150                         }
2151                         s++;
2152                 }
2153                 else s++;
2154         }
2155
2156         /* as the string can be quoted, we double the result */
2157         size *= 2;
2158
2159         processed_cmd = g_new0(gchar, size);
2160         s = cmd;
2161         p = processed_cmd;
2162
2163         while (*s != '\0') {
2164                 if (*s == '%') {
2165                         s++;
2166                         switch (*s) {
2167                         case '%':
2168                                 *p = '%';
2169                                 p++;
2170                                 break;
2171                         case 's': /* subject */
2172                                 add_str_default(&p, info->subject,
2173                                                 no_subject);
2174                                 break;
2175                         case 'f': /* from */
2176                                 add_str_default(&p, info->from,
2177                                                 no_from);
2178                                 break;
2179                         case 't': /* to */
2180                                 add_str_default(&p, info->to,
2181                                                 no_to);
2182                                 break;
2183                         case 'c': /* cc */
2184                                 add_str_default(&p, info->cc,
2185                                                 no_cc);
2186                                 break;
2187                         case 'd': /* date */
2188                                 add_str_default(&p, info->date,
2189                                                 no_date);
2190                                 break;
2191                         case 'i': /* message-id */
2192                                 add_str_default(&p, info->msgid,
2193                                                 no_msgid);
2194                                 break;
2195                         case 'n': /* newsgroups */
2196                                 add_str_default(&p, info->newsgroups,
2197                                                 no_newsgroups);
2198                                 break;
2199                         case 'r': /* references */
2200                                 /* FIXME: using the inreplyto header for references */
2201                                 add_str_default(&p, info->inreplyto, no_references);
2202                                 break;
2203                         case 'F': /* file */
2204                                 if (filename != NULL)
2205                                         add_str_default(&p, filename, NULL);
2206                                 break;
2207                         default:
2208                                 *p = '%';
2209                                 p++;
2210                                 *p = *s;
2211                                 p++;
2212                                 break;
2213                         }
2214                         s++;
2215                 }
2216                 else {
2217                         *p = *s;
2218                         p++;
2219                         s++;
2220                 }
2221         }
2222         g_free(filename);
2223
2224         return processed_cmd;
2225 }
2226 #undef STRLEN_DEFAULT
2227 #undef STRLEN_ZERO
2228
2229 /* ************************************************************ */
2230
2231
2232 /*!
2233  *\brief        Write filtering list to file
2234  *
2235  *\param        fp File
2236  *\param        prefs_filtering List of filtering conditions
2237  */
2238 static int prefs_filtering_write(FILE *fp, GSList *prefs_filtering)
2239 {
2240         GSList *cur = NULL;
2241
2242         for (cur = prefs_filtering; cur != NULL; cur = cur->next) {
2243                 gchar *filtering_str = NULL;
2244                 gchar *tmp_name = NULL;
2245                 FilteringProp *prop = NULL;
2246
2247                 if (NULL == (prop = (FilteringProp *) cur->data))
2248                         continue;
2249
2250                 if (NULL == (filtering_str = filteringprop_to_string(prop)))
2251                         continue;
2252
2253                 if (prop->enabled) {
2254                         if (fputs("enabled ", fp) == EOF) {
2255                                 FILE_OP_ERROR("filtering config", "fputs");
2256                                 return -1;
2257                         }
2258                 } else {
2259                         if (fputs("disabled ", fp) == EOF) {
2260                                 FILE_OP_ERROR("filtering config", "fputs");
2261                                 return -1;
2262                         }
2263                 }
2264
2265                 if (fputs("rulename \"", fp) == EOF) {
2266                         FILE_OP_ERROR("filtering config", "fputs");
2267                         g_free(filtering_str);
2268                         return -1;
2269                 }
2270                 tmp_name = prop->name;
2271                 while (tmp_name && *tmp_name != '\0') {
2272                         if (*tmp_name != '"') {
2273                                 if (fputc(*tmp_name, fp) == EOF) {
2274                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2275                                         g_free(filtering_str);
2276                                         return -1;
2277                                 }
2278                         } else if (*tmp_name == '"') {
2279                                 if (fputc('\\', fp) == EOF ||
2280                                     fputc('"', fp) == EOF) {
2281                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2282                                         g_free(filtering_str);
2283                                         return -1;
2284                                 }
2285                         }
2286                         tmp_name ++;
2287                 }
2288                 if (fputs("\" ", fp) == EOF) {
2289                         FILE_OP_ERROR("filtering config", "fputs");
2290                         g_free(filtering_str);
2291                         return -1;
2292                 }
2293
2294                 if (prop->account_id != 0) {
2295                         gchar *tmp = NULL;
2296
2297                         tmp = g_strdup_printf("account %d ", prop->account_id);
2298                         if (fputs(tmp, fp) == EOF) {
2299                                 FILE_OP_ERROR("filtering config", "fputs");
2300                                 g_free(tmp);
2301                                 return -1;
2302                         }
2303                         g_free(tmp);
2304                 }
2305
2306                 if(fputs(filtering_str, fp) == EOF ||
2307                     fputc('\n', fp) == EOF) {
2308                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2309                         g_free(filtering_str);
2310                         return -1;
2311                 }
2312                 g_free(filtering_str);
2313         }
2314
2315         return 0;
2316 }
2317
2318 typedef struct _NodeLoopData {
2319         FILE *fp;
2320         gboolean error;
2321 } NodeLoopData;
2322
2323 /*!
2324  *\brief        Write matchers from a folder item
2325  *
2326  *\param        node Node with folder info
2327  *\param        data File pointer
2328  *
2329  *\return       gboolean FALSE
2330  */
2331 static gboolean prefs_matcher_write_func(GNode *node, gpointer d)
2332 {
2333         FolderItem *item;
2334         NodeLoopData *data = (NodeLoopData *)d;
2335         gchar *id;
2336         GSList *prefs_filtering;
2337
2338         item = node->data;
2339         /* prevent warning */
2340         if (item->path == NULL)
2341                 return FALSE;
2342         id = folder_item_get_identifier(item);
2343         if (id == NULL)
2344                 return FALSE;
2345         prefs_filtering = item->prefs->processing;
2346
2347         if (prefs_filtering != NULL) {
2348                 if (fprintf(data->fp, "[%s]\n", id) < 0) {
2349                         data->error = TRUE;
2350                         goto fail;
2351                 }
2352                 if (prefs_filtering_write(data->fp, prefs_filtering) < 0) {
2353                         data->error = TRUE;
2354                         goto fail;
2355                 }
2356                 if (fputc('\n', data->fp) == EOF) {
2357                         data->error = TRUE;
2358                         goto fail;
2359                 }
2360         }
2361 fail:
2362         g_free(id);
2363
2364         return FALSE;
2365 }
2366
2367 /*!
2368  *\brief        Save matchers from folder items
2369  *
2370  *\param        fp File
2371  */
2372 static int prefs_matcher_save(FILE *fp)
2373 {
2374         GList *cur;
2375         NodeLoopData data;
2376
2377         data.fp = fp;
2378         data.error = FALSE;
2379
2380         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
2381                 Folder *folder;
2382
2383                 folder = (Folder *) cur->data;
2384                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2385                                 prefs_matcher_write_func, &data);
2386         }
2387
2388         if (data.error == TRUE)
2389                 return -1;
2390
2391         /* pre global rules */
2392         if (fprintf(fp, "[preglobal]\n") < 0 ||
2393             prefs_filtering_write(fp, pre_global_processing) < 0 ||
2394             fputc('\n', fp) == EOF)
2395                 return -1;
2396
2397         /* post global rules */
2398         if (fprintf(fp, "[postglobal]\n") < 0 ||
2399             prefs_filtering_write(fp, post_global_processing) < 0 ||
2400             fputc('\n', fp) == EOF)
2401                 return -1;
2402
2403         /* filtering rules */
2404         if (fprintf(fp, "[filtering]\n") < 0 ||
2405             prefs_filtering_write(fp, filtering_rules) < 0 ||
2406             fputc('\n', fp) == EOF)
2407                 return -1;
2408
2409         return 0;
2410 }
2411
2412 /*!
2413  *\brief        Write filtering / matcher configuration file
2414  */
2415 void prefs_matcher_write_config(void)
2416 {
2417         gchar *rcpath;
2418         PrefFile *pfile;
2419
2420         debug_print("Writing matcher configuration...\n");
2421
2422         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2423                              MATCHER_RC, NULL);
2424
2425         if ((pfile = prefs_write_open(rcpath)) == NULL) {
2426                 g_warning("failed to write configuration to file\n");
2427                 g_free(rcpath);
2428                 return;
2429         }
2430
2431         g_free(rcpath);
2432
2433         if (prefs_matcher_save(pfile->fp) < 0) {
2434                 g_warning("failed to write configuration to file\n");
2435                 prefs_file_close_revert(pfile);
2436         } else if (prefs_file_close(pfile) < 0) {
2437                 g_warning("failed to save configuration to file\n");
2438         }
2439 }
2440
2441 /* ******************************************************************* */
2442
2443 static void matcher_add_rulenames(const gchar *rcpath)
2444 {
2445         gchar *newpath = g_strconcat(rcpath, ".new", NULL);
2446         FILE *src = g_fopen(rcpath, "rb");
2447         FILE *dst = g_fopen(newpath, "wb");
2448         gchar buf[BUFFSIZE];
2449         int r;
2450         if (src == NULL) {
2451                 perror("fopen");
2452                 if (dst)
2453                         fclose(dst);
2454                 g_free(newpath);
2455                 return;
2456         }
2457         if (dst == NULL) {
2458                 perror("fopen");
2459                 if (src)
2460                         fclose(src);
2461                 g_free(newpath);
2462                 return;
2463         }
2464
2465         while (fgets (buf, sizeof(buf), src) != NULL) {
2466                 if (strlen(buf) > 2 && buf[0] != '['
2467                 && strncmp(buf, "rulename \"", 10)
2468                 && strncmp(buf, "enabled rulename \"", 18)
2469                 && strncmp(buf, "disabled rulename \"", 18)) {
2470                         r = fwrite("enabled rulename \"\" ",
2471                                 strlen("enabled rulename \"\" "), 1, dst);
2472                         if (r != 1) {
2473                                 g_message("cannot fwrite rulename\n");
2474                         }
2475                 }
2476                 r = fwrite(buf, strlen(buf), 1, dst);
2477                 if (r != 1) {
2478                         g_message("cannot fwrite rule\n");
2479                 }
2480         }
2481         fclose(dst);
2482         fclose(src);
2483         move_file(newpath, rcpath, TRUE);
2484         g_free(newpath);
2485 }
2486
2487 /*!
2488  *\brief        Read matcher configuration
2489  */
2490 void prefs_matcher_read_config(void)
2491 {
2492         gchar *rcpath;
2493         gchar *rc_old_format;
2494         FILE *f;
2495
2496         create_matchparser_hashtab();
2497         prefs_filtering_clear();
2498
2499         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
2500         rc_old_format = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC,
2501                                 ".pre_names", NULL);
2502
2503         if (!is_file_exist(rc_old_format) && is_file_exist(rcpath)) {
2504                 /* backup file with no rules names, in case
2505                  * anything goes wrong */
2506                 copy_file(rcpath, rc_old_format, FALSE);
2507                 /* now hack the file in order to have it to the new format */
2508                 matcher_add_rulenames(rcpath);
2509         }
2510
2511         g_free(rc_old_format);
2512
2513         f = g_fopen(rcpath, "rb");
2514         g_free(rcpath);
2515
2516         if (f != NULL) {
2517                 matcher_parser_start_parsing(f);
2518                 fclose(matcher_parserin);
2519         }
2520         else {
2521                 /* previous version compatibility */
2522
2523                 /* g_print("reading filtering\n"); */
2524                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2525                                      FILTERING_RC, NULL);
2526                 f = g_fopen(rcpath, "rb");
2527                 g_free(rcpath);
2528
2529                 if (f != NULL) {
2530                         matcher_parser_start_parsing(f);
2531                         fclose(matcher_parserin);
2532                 }
2533
2534                 /* g_print("reading scoring\n"); */
2535                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2536                                      SCORING_RC, NULL);
2537                 f = g_fopen(rcpath, "rb");
2538                 g_free(rcpath);
2539
2540                 if (f != NULL) {
2541                         matcher_parser_start_parsing(f);
2542                         fclose(matcher_parserin);
2543                 }
2544         }
2545 }