src/matcher.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2002-2004 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 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <ctype.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29 #include <errno.h>
  30
  31 #ifdef USE_PTHREAD
  32 #include <pthread.h>
  33 #endif
  34
  35 #include "defs.h"
  36 #include "utils.h"
  37 #include "procheader.h"
  38 #include "matcher.h"
  39 #include "matcher_parser.h"
  40 #include "prefs_gtk.h"
  41 #include "addr_compl.h"
  42 #include "codeconv.h"
  43 #include "quoted-printable.h"
  44 #include "claws.h"
  45 #include <ctype.h>
  46 #include "prefs_common.h"
  47 #include "log.h"
  48 #include "tags.h"
  49
  50 /*!
  51  *\brief        Keyword lookup element
  52  */
  53 struct _MatchParser {
  54         gint id;                /*!< keyword id */
  55         gchar *str;             /*!< keyword */
  56 };
  57 typedef struct _MatchParser MatchParser;
  58
  59 /*!
  60  *\brief        Table with strings and ids used by the lexer and
  61  *              the parser. New keywords can be added here.
  62  */
  63 static const MatchParser matchparser_tab[] = {
  64         /* msginfo flags */
  65         {MATCHCRITERIA_ALL, "all"},
  66         {MATCHCRITERIA_UNREAD, "unread"},
  67         {MATCHCRITERIA_NOT_UNREAD, "~unread"},
  68         {MATCHCRITERIA_NEW, "new"},
  69         {MATCHCRITERIA_NOT_NEW, "~new"},
  70         {MATCHCRITERIA_MARKED, "marked"},
  71         {MATCHCRITERIA_NOT_MARKED, "~marked"},
  72         {MATCHCRITERIA_DELETED, "deleted"},
  73         {MATCHCRITERIA_NOT_DELETED, "~deleted"},
  74         {MATCHCRITERIA_REPLIED, "replied"},
  75         {MATCHCRITERIA_NOT_REPLIED, "~replied"},
  76         {MATCHCRITERIA_FORWARDED, "forwarded"},
  77         {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
  78         {MATCHCRITERIA_LOCKED, "locked"},
  79         {MATCHCRITERIA_NOT_LOCKED, "~locked"},
  80         {MATCHCRITERIA_COLORLABEL, "colorlabel"},
  81         {MATCHCRITERIA_NOT_COLORLABEL, "~colorlabel"},
  82         {MATCHCRITERIA_IGNORE_THREAD, "ignore_thread"},
  83         {MATCHCRITERIA_NOT_IGNORE_THREAD, "~ignore_thread"},
  84         {MATCHCRITERIA_WATCH_THREAD, "watch_thread"},
  85         {MATCHCRITERIA_NOT_WATCH_THREAD, "~watch_thread"},
  86         {MATCHCRITERIA_SPAM, "spam"},
  87         {MATCHCRITERIA_NOT_SPAM, "~spam"},
  88
  89         /* msginfo headers */
  90         {MATCHCRITERIA_SUBJECT, "subject"},
  91         {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
  92         {MATCHCRITERIA_FROM, "from"},
  93         {MATCHCRITERIA_NOT_FROM, "~from"},
  94         {MATCHCRITERIA_TO, "to"},
  95         {MATCHCRITERIA_NOT_TO, "~to"},
  96         {MATCHCRITERIA_CC, "cc"},
  97         {MATCHCRITERIA_NOT_CC, "~cc"},
  98         {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
  99         {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
 100         {MATCHCRITERIA_TAG, "tag"},
 101         {MATCHCRITERIA_NOT_TAG, "~tag"},
 102         {MATCHCRITERIA_TAGGED, "tagged"},
 103         {MATCHCRITERIA_NOT_TAGGED, "~tagged"},
 104         {MATCHCRITERIA_AGE_GREATER, "age_greater"},
 105         {MATCHCRITERIA_AGE_LOWER, "age_lower"},
 106         {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
 107         {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
 108         {MATCHCRITERIA_INREPLYTO, "inreplyto"},
 109         {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
 110         {MATCHCRITERIA_REFERENCES, "references"},
 111         {MATCHCRITERIA_NOT_REFERENCES, "~references"},
 112         {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
 113         {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
 114         {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
 115         {MATCHCRITERIA_PARTIAL, "partial"},
 116         {MATCHCRITERIA_NOT_PARTIAL, "~partial"},
 117         {MATCHCRITERIA_FOUND_IN_ADDRESSBOOK, "found_in_addressbook"},
 118         {MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK, "~found_in_addressbook"},
 119
 120         {MATCHCRITERIA_SIZE_GREATER, "size_greater"},
 121         {MATCHCRITERIA_SIZE_SMALLER, "size_smaller"},
 122         {MATCHCRITERIA_SIZE_EQUAL,   "size_equal"},
 123
 124         /* content have to be read */
 125         {MATCHCRITERIA_HEADER, "header"},
 126         {MATCHCRITERIA_NOT_HEADER, "~header"},
 127         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
 128         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
 129         {MATCHCRITERIA_MESSAGE, "message"},
 130         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
 131         {MATCHCRITERIA_BODY_PART, "body_part"},
 132         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
 133         {MATCHCRITERIA_TEST, "test"},
 134         {MATCHCRITERIA_NOT_TEST, "~test"},
 135
 136         /* match type */
 137         {MATCHTYPE_MATCHCASE, "matchcase"},
 138         {MATCHTYPE_MATCH, "match"},
 139         {MATCHTYPE_REGEXPCASE, "regexpcase"},
 140         {MATCHTYPE_REGEXP, "regexp"},
 141
 142         /* actions */
 143         {MATCHACTION_SCORE, "score"},    /* for backward compatibility */
 144         {MATCHACTION_MOVE, "move"},
 145         {MATCHACTION_COPY, "copy"},
 146         {MATCHACTION_DELETE, "delete"},
 147         {MATCHACTION_MARK, "mark"},
 148         {MATCHACTION_UNMARK, "unmark"},
 149         {MATCHACTION_LOCK, "lock"},
 150         {MATCHACTION_UNLOCK, "unlock"},
 151         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
 152         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
 153         {MATCHACTION_MARK_AS_SPAM, "mark_as_spam"},
 154         {MATCHACTION_MARK_AS_HAM, "mark_as_ham"},
 155         {MATCHACTION_FORWARD, "forward"},
 156         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
 157         {MATCHACTION_EXECUTE, "execute"},
 158         {MATCHACTION_COLOR, "color"},
 159         {MATCHACTION_REDIRECT, "redirect"},
 160         {MATCHACTION_CHANGE_SCORE, "change_score"},
 161         {MATCHACTION_SET_SCORE, "set_score"},
 162         {MATCHACTION_STOP, "stop"},
 163         {MATCHACTION_HIDE, "hide"},
 164         {MATCHACTION_IGNORE, "ignore"},
 165         {MATCHACTION_WATCH, "watch"},
 166         {MATCHACTION_ADD_TO_ADDRESSBOOK, "add_to_addressbook"},
 167         {MATCHACTION_SET_TAG, "set_tag"},
 168         {MATCHACTION_UNSET_TAG, "unset_tag"},
 169         {MATCHACTION_CLEAR_TAGS, "clear_tags"},
 170 };
 171
 172 enum {
 173         MATCH_ANY = 0,
 174         MATCH_ALL = 1,
 175         MATCH_ONE = 2
 176 };
 177
 178 extern gboolean debug_filtering_session;
 179
 180 /*!
 181  *\brief        Look up table with keywords defined in \sa matchparser_tab
 182  */
 183 static GHashTable *matchparser_hashtab;
 184
 185 /*!
 186  *\brief        Translate keyword id to keyword string
 187  *
 188  *\param        id Id of keyword
 189  *
 190  *\return       const gchar * Keyword
 191  */
 192 const gchar *get_matchparser_tab_str(gint id)
 193 {
 194         gint i;
 195
 196         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
 197                 if (matchparser_tab[i].id == id)
 198                         return matchparser_tab[i].str;
 199         }
 200         return NULL;
 201 }
 202
 203 /*!
 204  *\brief        Create keyword lookup table
 205  */
 206 static void create_matchparser_hashtab(void)
 207 {
 208         int i;
 209
 210         if (matchparser_hashtab) return;
 211         matchparser_hashtab = g_hash_table_new(g_str_hash, g_str_equal);
 212         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++)
 213                 g_hash_table_insert(matchparser_hashtab,
 214                                     matchparser_tab[i].str,
 215                                     (gpointer) &matchparser_tab[i]);
 216 }
 217
 218 /*!
 219  *\brief        Return a keyword id from a keyword string
 220  *
 221  *\param        str Keyword string
 222  *
 223  *\return       gint Keyword id
 224  */
 225 gint get_matchparser_tab_id(const gchar *str)
 226 {
 227         MatchParser *res;
 228
 229         if (NULL != (res = g_hash_table_lookup(matchparser_hashtab, str))) {
 230                 return res->id;
 231         } else
 232                 return -1;
 233 }
 234
 235 /* **************** data structure allocation **************** */
 236
 237 /*!
 238  *\brief        Allocate a structure for a filtering / scoring
 239  *              "condition" (a matcher structure)
 240  *
 241  *\param        criteria Criteria ID (MATCHCRITERIA_XXXX)
 242  *\param        header Header string (if criteria is MATCHCRITERIA_HEADER
 243                         or MATCHCRITERIA_FOUND_IN_ADDRESSBOOK)
 244  *\param        matchtype Type of action (MATCHTYPE_XXX)
 245  *\param        expr String value or expression to check
 246  *\param        value Integer value to check
 247  *
 248  *\return       MatcherProp * Pointer to newly allocated structure
 249  */
 250 MatcherProp *matcherprop_new(gint criteria, const gchar *header,
 251                               gint matchtype, const gchar *expr,
 252                               int value)
 253 {
 254         MatcherProp *prop;
 255
 256         prop = g_new0(MatcherProp, 1);
 257         prop->criteria = criteria;
 258         prop->header = header != NULL ? g_strdup(header) : NULL;
 259
 260         prop->expr = expr != NULL ? g_strdup(expr) : NULL;
 261
 262         prop->matchtype = matchtype;
 263         prop->preg = NULL;
 264         prop->value = value;
 265         prop->error = 0;
 266
 267         return prop;
 268 }
 269
 270 /*!
 271  *\brief        Allocate a structure for a filtering / scoring
 272  *              "condition" (a matcher structure)
 273  *              Same as matcherprop_new, except it doesn't change the expr's
 274  *              case.
 275  *
 276  *\param        criteria Criteria ID (MATCHCRITERIA_XXXX)
 277  *\param        header Header string (if criteria is MATCHCRITERIA_HEADER
 278                         or MATCHCRITERIA_FOUND_IN_ADDRESSBOOK)
 279  *\param        matchtype Type of action (MATCHTYPE_XXX)
 280  *\param        expr String value or expression to check
 281  *\param        value Integer value to check
 282  *
 283  *\return       MatcherProp * Pointer to newly allocated structure
 284  */
 285 MatcherProp *matcherprop_new_create(gint criteria, const gchar *header,
 286                               gint matchtype, const gchar *expr,
 287                               int value)
 288 {
 289         MatcherProp *prop;
 290
 291         prop = g_new0(MatcherProp, 1);
 292         prop->criteria = criteria;
 293         prop->header = header != NULL ? g_strdup(header) : NULL;
 294
 295         prop->expr = expr != NULL ? g_strdup(expr) : NULL;
 296
 297         prop->matchtype = matchtype;
 298         prop->preg = NULL;
 299         prop->value = value;
 300         prop->error = 0;
 301
 302         return prop;
 303 }
 304
 305 /*!
 306  *\brief        Free a matcher structure
 307  *
 308  *\param        prop Pointer to matcher structure allocated with
 309  *              #matcherprop_new
 310  */
 311 void matcherprop_free(MatcherProp *prop)
 312 {
 313         g_free(prop->expr);
 314         g_free(prop->header);
 315         if (prop->preg != NULL) {
 316                 regfree(prop->preg);
 317                 g_free(prop->preg);
 318         }
 319         g_free(prop);
 320 }
 321
 322 /*!
 323  *\brief        Copy a matcher structure
 324  *
 325  *\param        src Matcher structure to copy
 326  *
 327  *\return       MatcherProp * Pointer to newly allocated matcher structure
 328  */
 329 MatcherProp *matcherprop_copy(const MatcherProp *src)
 330 {
 331         MatcherProp *prop = g_new0(MatcherProp, 1);
 332
 333         prop->criteria = src->criteria;
 334         prop->header = src->header ? g_strdup(src->header) : NULL;
 335         prop->expr = src->expr ? g_strdup(src->expr) : NULL;
 336         prop->matchtype = src->matchtype;
 337
 338         prop->preg = NULL; /* will be re-evaluated */
 339         prop->value = src->value;
 340         prop->error = src->error;
 341         return prop;
 342 }
 343
 344 /* ************** match ******************************/
 345
 346 static gboolean match_with_addresses_in_addressbook
 347         (MatcherProp *prop, GSList *address_list, gint type,
 348          gchar* folderpath, gint match)
 349 {
 350         GSList *walk = NULL;
 351         gboolean found = FALSE;
 352         gchar *path = NULL;
 353
 354         g_return_val_if_fail(address_list != NULL, FALSE);
 355
 356         debug_print("match_with_addresses_in_addressbook(%d, %s)\n",
 357                                 g_slist_length(address_list), folderpath?folderpath:"(null)");
 358
 359         if (folderpath == NULL ||
 360                 strcasecmp(folderpath, "Any") == 0 ||
 361                 *folderpath == '\0')
 362                 path = NULL;
 363         else
 364                 path = folderpath;
 365
 366         start_address_completion(path);
 367
 368         for (walk = address_list; walk != NULL; walk = walk->next) {
 369                 /* exact matching of email address */
 370                 guint num_addr = complete_address(walk->data);
 371                 found = FALSE;
 372                 if (num_addr > 1) {
 373                         /* skip first item (this is the search string itself) */
 374                         int i = 1;
 375                         for (; i < num_addr && !found; i++) {
 376                                 gchar *addr = get_complete_address(i);
 377                                 extract_address(addr);
 378                                 if (strcasecmp(addr, walk->data) == 0) {
 379                                         found = TRUE;
 380
 381                                         /* debug output */
 382                                         if (debug_filtering_session
 383                                                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 384                                                 log_print(LOG_DEBUG_FILTERING,
 385                                                                 "address [ %s ] matches\n",
 386                                                                 (gchar *)walk->data);
 387                                         }
 388                                 }
 389                                 g_free(addr);
 390                         }
 391                 }
 392                 /* debug output */
 393                 if (debug_filtering_session
 394                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH
 395                                 && !found) {
 396                         log_print(LOG_DEBUG_FILTERING,
 397                                         "address [ %s ] does NOT match\n",
 398                                         (gchar *)walk->data);
 399                 }
 400                 g_free(walk->data);
 401
 402                 if (match == MATCH_ALL) {
 403                         /* if matching all addresses, stop if one doesn't match */
 404                         if (!found) {
 405                                 /* debug output */
 406                                 if (debug_filtering_session
 407                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 408                                         log_print(LOG_DEBUG_FILTERING,
 409                                                         "not all address match (matching all)\n");
 410                                 }
 411                                 break;
 412                         }
 413                 } else if (match == MATCH_ANY) {
 414                         /* if matching any address, stop if one does match */
 415                         if (found) {
 416                                 /* debug output */
 417                                 if (debug_filtering_session
 418                                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 419                                         log_print(LOG_DEBUG_FILTERING,
 420                                                         "at least one address matches (matching any)\n");
 421                                 }
 422                                 break;
 423                         }
 424                 }
 425                 /* MATCH_ONE: there should be only one loop iteration */
 426         }
 427
 428         end_address_completion();
 429
 430         return found;
 431 }
 432
 433 /*!
 434  *\brief        Find out if a string matches a condition
 435  *
 436  *\param        prop Matcher structure
 437  *\param        str String to check
 438  *
 439  *\return       gboolean TRUE if str matches the condition in the
 440  *              matcher structure
 441  */
 442 static gboolean matcherprop_string_match(MatcherProp *prop, const gchar *str,
 443                                          const gchar *debug_context)
 444 {
 445         gchar *str1;
 446         gchar *down_expr;
 447         gboolean ret = FALSE;
 448         gboolean should_free = FALSE;
 449         if (str == NULL)
 450                 return FALSE;
 451
 452         if (prop->matchtype == MATCHTYPE_REGEXPCASE ||
 453             prop->matchtype == MATCHTYPE_MATCHCASE) {
 454                 str1 = g_utf8_casefold(str, -1);
 455                 down_expr = g_utf8_casefold(prop->expr, -1);
 456                 should_free = TRUE;
 457         } else {
 458                 str1 = (gchar *)str;
 459                 down_expr = (gchar *)prop->expr;
 460                 should_free = FALSE;
 461         }
 462
 463         switch (prop->matchtype) {
 464         case MATCHTYPE_REGEXPCASE:
 465         case MATCHTYPE_REGEXP:
 466 #ifndef G_OS_WIN32
 467                 if (!prop->preg && (prop->error == 0)) {
 468                         prop->preg = g_new0(regex_t, 1);
 469                         /* if regexp then don't use the escaped string */
 470                         if (regcomp(prop->preg, down_expr,
 471                                     REG_NOSUB | REG_EXTENDED
 472                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 473                                     ? REG_ICASE : 0)) != 0) {
 474                                 prop->error = 1;
 475                                 g_free(prop->preg);
 476                                 prop->preg = NULL;
 477                         }
 478                 }
 479                 if (prop->preg == NULL) {
 480                         ret = FALSE;
 481                         goto free_strs;
 482                 }
 483
 484                 if (regexec(prop->preg, str1, 0, NULL, 0) == 0)
 485                         ret = TRUE;
 486                 else
 487                         ret = FALSE;
 488
 489                 /* debug output */
 490                 if (debug_filtering_session
 491                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 492                         gchar *stripped = g_strdup(str);
 493
 494                         strretchomp(stripped);
 495                         if (ret) {
 496                                 log_print(LOG_DEBUG_FILTERING,
 497                                                 "%s value [ %s ] matches regular expression [ %s ] (%s)\n",
 498                                                 debug_context, stripped, prop->expr,
 499                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 500                         } else {
 501                                 log_print(LOG_DEBUG_FILTERING,
 502                                                 "%s value [ %s ] does NOT match regular expression [ %s ] (%s)\n",
 503                                                 debug_context, stripped, prop->expr,
 504                                                 prop->matchtype == MATCHTYPE_REGEXP ? _("Case sensitive"):_("Case insensitive"));
 505                         }
 506                         g_free(stripped);
 507                 }
 508                 break;
 509 #endif
 510         case MATCHTYPE_MATCHCASE:
 511         case MATCHTYPE_MATCH:
 512                 ret = (strstr(str1, down_expr) != NULL);
 513
 514                 /* debug output */
 515                 if (debug_filtering_session
 516                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 517                         gchar *stripped = g_strdup(str);
 518
 519                         strretchomp(stripped);
 520                         if (ret) {
 521                                 log_print(LOG_DEBUG_FILTERING,
 522                                                 "%s value [ %s ] contains [ %s ] (%s)\n",
 523                                                 debug_context, stripped, prop->expr,
 524                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 525                         } else {
 526                                 log_print(LOG_DEBUG_FILTERING,
 527                                                 "%s value [ %s ] does NOT contain [ %s ] (%s)\n",
 528                                                 debug_context, stripped, prop->expr,
 529                                                 prop->matchtype == MATCHTYPE_MATCH ? _("Case sensitive"):_("Case insensitive"));
 530                         }
 531                         g_free(stripped);
 532                 }
 533                 break;
 534
 535         default:
 536                 break;
 537         }
 538
 539 free_strs:
 540         if (should_free) {
 541                 g_free(str1);
 542                 g_free(down_expr);
 543         }
 544         return ret;
 545 }
 546
 547 /*!
 548  *\brief        Find out if a tag matches a condition
 549  *
 550  *\param        prop Matcher structure
 551  *\param        msginfo message to check
 552  *
 553  *\return       gboolean TRUE if msginfo matches the condition in the
 554  *              matcher structure
 555  */
 556 static gboolean matcherprop_tag_match(MatcherProp *prop, MsgInfo *msginfo,
 557                                          const gchar *debug_context)
 558 {
 559         gboolean ret = FALSE;
 560         GSList *cur;
 561
 562         if (msginfo == NULL || msginfo->tags == NULL)
 563                 return FALSE;
 564
 565         for (cur = msginfo->tags; cur; cur = cur->next) {
 566                 const gchar *str = tags_get_tag(GPOINTER_TO_INT(cur->data));
 567                 if (!str)
 568                         continue;
 569                 if (matcherprop_string_match(prop, str, debug_context)) {
 570                         ret = TRUE;
 571                         break;
 572                 }
 573         }
 574         return ret;
 575 }
 576
 577 /*!
 578  *\brief        Find out if the string-ed list matches a condition
 579  *
 580  *\param        prop Matcher structure
 581  *\param        list GSList of strings to check
 582  *
 583  *\return       gboolean TRUE if str matches the condition in the
 584  *              matcher structure
 585  */
 586 static gboolean matcherprop_list_match(MatcherProp *prop, const GSList *list,
 587 const gchar *debug_context)
 588 {
 589         const GSList *cur;
 590
 591         for(cur = list; cur != NULL; cur = cur->next) {
 592                 if (matcherprop_string_match(prop, (gchar *)cur->data, debug_context))
 593                         return TRUE;
 594         }
 595         return FALSE;
 596 }
 597
 598 /* FIXME body search is a hack. */
 599 static gboolean matcherprop_string_decode_match(MatcherProp *prop, const gchar *str,
 600                                                                                                 const gchar *debug_context)
 601 {
 602         gchar *utf = NULL;
 603         gchar tmp[BUFFSIZE];
 604         gboolean res = FALSE;
 605
 606         if (str == NULL)
 607                 return FALSE;
 608
 609         /* we try to decode QP first, because it's faster than base64 */
 610         qp_decode_const(tmp, BUFFSIZE-1, str);
 611         if (!g_utf8_validate(tmp, -1, NULL)) {
 612                 utf = conv_codeset_strdup
 613                         (tmp, conv_get_locale_charset_str_no_utf8(),
 614                          CS_INTERNAL);
 615                 res = matcherprop_string_match(prop, utf, debug_context);
 616                 g_free(utf);
 617         } else {
 618                 res = matcherprop_string_match(prop, tmp, debug_context);
 619         }
 620
 621         if (res == FALSE && (strchr(prop->expr, '=') || strchr(prop->expr, '_')
 622                             || strchr(str, '=') || strchr(str, '_'))) {
 623                 /* if searching for something with an equal char, maybe
 624                  * we should try to match the non-decoded string.
 625                  * In case it was not qp-encoded. */
 626                 if (!g_utf8_validate(str, -1, NULL)) {
 627                         utf = conv_codeset_strdup
 628                                 (str, conv_get_locale_charset_str_no_utf8(),
 629                                  CS_INTERNAL);
 630                         res = matcherprop_string_match(prop, utf, debug_context);
 631                         g_free(utf);
 632                 } else {
 633                         res = matcherprop_string_match(prop, str, debug_context);
 634                 }
 635         }
 636
 637         /* FIXME base64 decoding is too slow, especially since text can
 638          * easily be handled as base64. Don't even try now. */
 639
 640         return res;
 641 }
 642
 643 #ifdef USE_PTHREAD
 644 typedef struct _thread_data {
 645         const gchar *cmd;
 646         gboolean done;
 647 } thread_data;
 648 #endif
 649
 650 #ifdef USE_PTHREAD
 651 static void *matcher_test_thread(void *data)
 652 {
 653         thread_data *td = (thread_data *)data;
 654         int result = -1;
 655
 656         pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
 657         pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
 658
 659         result = system(td->cmd);
 660         td->done = TRUE; /* let the caller thread join() */
 661         return GINT_TO_POINTER(result);
 662 }
 663 #endif
 664
 665 /*!
 666  *\brief        Execute a command defined in the matcher structure
 667  *
 668  *\param        prop Pointer to matcher structure
 669  *\param        info Pointer to message info structure
 670  *
 671  *\return       gboolean TRUE if command was executed succesfully
 672  */
 673 static gboolean matcherprop_match_test(const MatcherProp *prop,
 674                                           MsgInfo *info)
 675 {
 676         gchar *file;
 677         gchar *cmd;
 678         gint retval;
 679 #ifdef USE_PTHREAD
 680         pthread_t pt;
 681         pthread_attr_t pta;
 682         thread_data *td = g_new0(thread_data, 1);
 683         void *res = NULL;
 684         time_t start_time = time(NULL);
 685 #endif
 686
 687         file = procmsg_get_message_file(info);
 688         if (file == NULL)
 689                 return FALSE;
 690         g_free(file);
 691
 692         cmd = matching_build_command(prop->expr, info);
 693         if (cmd == NULL)
 694                 return FALSE;
 695
 696 #ifdef USE_PTHREAD
 697         /* debug output */
 698         if (debug_filtering_session
 699                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 700                 log_print(LOG_DEBUG_FILTERING,
 701                                 "starting threaded command [ %s ]\n",
 702                                 cmd);
 703         }
 704
 705         td->cmd = cmd;
 706         td->done = FALSE;
 707         if (pthread_attr_init(&pta) != 0 ||
 708             pthread_attr_setdetachstate(&pta, PTHREAD_CREATE_JOINABLE) != 0 ||
 709             pthread_create(&pt, &pta, matcher_test_thread, td) != 0)
 710                 retval = system(cmd);
 711         else {
 712                 debug_print("waiting for test thread\n");
 713                 while(!td->done) {
 714                         /* don't let the interface freeze while waiting */
 715                         claws_do_idle();
 716                         if (time(NULL) - start_time > 30) {
 717                                 pthread_cancel(pt);
 718                                 td->done = TRUE;
 719                                 retval = -1;
 720                         }
 721                 }
 722                 pthread_join(pt, &res);
 723                 retval = GPOINTER_TO_INT(res);
 724                 debug_print(" test thread returned %d\n", retval);
 725         }
 726         g_free(td);
 727 #else
 728         /* debug output */
 729         if (debug_filtering_session
 730                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 731                 log_print(LOG_DEBUG_FILTERING,
 732                                 "starting synchronous command [ %s ]\n",
 733                                 cmd);
 734         }
 735
 736         retval = system(cmd);
 737 #endif
 738         debug_print("Command exit code: %d\n", retval);
 739
 740         /* debug output */
 741         if (debug_filtering_session
 742                         && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 743                 log_print(LOG_DEBUG_FILTERING,
 744                                 "command returned [ %d ]\n",
 745                                 retval);
 746         }
 747
 748         g_free(cmd);
 749         return (retval == 0);
 750 }
 751
 752 /*!
 753  *\brief        Check if a message matches the condition in a matcher
 754  *              structure.
 755  *
 756  *\param        prop Pointer to matcher structure
 757  *\param        info Pointer to message info
 758  *
 759  *\return       gboolean TRUE if a match
 760  */
 761 gboolean matcherprop_match(MatcherProp *prop,
 762                            MsgInfo *info)
 763 {
 764         time_t t;
 765
 766         switch(prop->criteria) {
 767         case MATCHCRITERIA_ALL:
 768                 return TRUE;
 769         case MATCHCRITERIA_UNREAD:
 770                 return MSG_IS_UNREAD(info->flags);
 771         case MATCHCRITERIA_NOT_UNREAD:
 772                 return !MSG_IS_UNREAD(info->flags);
 773         case MATCHCRITERIA_NEW:
 774                 return MSG_IS_NEW(info->flags);
 775         case MATCHCRITERIA_NOT_NEW:
 776                 return !MSG_IS_NEW(info->flags);
 777         case MATCHCRITERIA_MARKED:
 778                 return MSG_IS_MARKED(info->flags);
 779         case MATCHCRITERIA_NOT_MARKED:
 780                 return !MSG_IS_MARKED(info->flags);
 781         case MATCHCRITERIA_DELETED:
 782                 return MSG_IS_DELETED(info->flags);
 783         case MATCHCRITERIA_NOT_DELETED:
 784                 return !MSG_IS_DELETED(info->flags);
 785         case MATCHCRITERIA_REPLIED:
 786                 return MSG_IS_REPLIED(info->flags);
 787         case MATCHCRITERIA_NOT_REPLIED:
 788                 return !MSG_IS_REPLIED(info->flags);
 789         case MATCHCRITERIA_FORWARDED:
 790                 return MSG_IS_FORWARDED(info->flags);
 791         case MATCHCRITERIA_NOT_FORWARDED:
 792                 return !MSG_IS_FORWARDED(info->flags);
 793         case MATCHCRITERIA_LOCKED:
 794                 return MSG_IS_LOCKED(info->flags);
 795         case MATCHCRITERIA_NOT_LOCKED:
 796                 return !MSG_IS_LOCKED(info->flags);
 797         case MATCHCRITERIA_SPAM:
 798                 return MSG_IS_SPAM(info->flags);
 799         case MATCHCRITERIA_NOT_SPAM:
 800                 return !MSG_IS_SPAM(info->flags);
 801         case MATCHCRITERIA_COLORLABEL:
 802         {
 803                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 804                 gboolean ret = (color == prop->value);
 805
 806                 /* debug output */
 807                 if (debug_filtering_session
 808                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 809                         if (ret) {
 810                                 log_print(LOG_DEBUG_FILTERING,
 811                                                 "message color value [ %d ] matches color value [ %d ]\n",
 812                                                 color, prop->value);
 813                         } else {
 814                                 log_print(LOG_DEBUG_FILTERING,
 815                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 816                                                 color, prop->value);
 817                         }
 818                 }
 819                 return ret;
 820         }
 821         case MATCHCRITERIA_NOT_COLORLABEL:
 822         {
 823                 gint color = MSG_GET_COLORLABEL_VALUE(info->flags);
 824                 gboolean ret = (color != prop->value);
 825
 826                 /* debug output */
 827                 if (debug_filtering_session
 828                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 829                         if (ret) {
 830                                 log_print(LOG_DEBUG_FILTERING,
 831                                                 "message color value [ %d ] matches color value [ %d ]\n",
 832                                                 color, prop->value);
 833                         } else {
 834                                 log_print(LOG_DEBUG_FILTERING,
 835                                                 "message color value [ %d ] does NOT match color value [ %d ]\n",
 836                                                 color, prop->value);
 837                         }
 838                 }
 839                 return ret;
 840         }
 841         case MATCHCRITERIA_IGNORE_THREAD:
 842                 return MSG_IS_IGNORE_THREAD(info->flags);
 843         case MATCHCRITERIA_NOT_IGNORE_THREAD:
 844                 return !MSG_IS_IGNORE_THREAD(info->flags);
 845         case MATCHCRITERIA_WATCH_THREAD:
 846                 return MSG_IS_WATCH_THREAD(info->flags);
 847         case MATCHCRITERIA_NOT_WATCH_THREAD:
 848                 return !MSG_IS_WATCH_THREAD(info->flags);
 849         case MATCHCRITERIA_SUBJECT:
 850                 return matcherprop_string_match(prop, info->subject,
 851                                                 prefs_common_translated_header_name("Subject:"));
 852         case MATCHCRITERIA_NOT_SUBJECT:
 853                 return !matcherprop_string_match(prop, info->subject,
 854                                                 prefs_common_translated_header_name("Subject:"));
 855         case MATCHCRITERIA_FROM:
 856         case MATCHCRITERIA_NOT_FROM:
 857         {
 858                 gchar *context;
 859                 gboolean ret;
 860
 861                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("From:"));
 862                 ret = matcherprop_string_match(prop, info->from, context);
 863                 g_free(context);
 864                 return (prop->criteria == MATCHCRITERIA_FROM)? ret : !ret;
 865         }
 866         case MATCHCRITERIA_TO:
 867         case MATCHCRITERIA_NOT_TO:
 868         {
 869                 gchar *context;
 870                 gboolean ret;
 871
 872                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 873                 ret = matcherprop_string_match(prop, info->to, context);
 874                 g_free(context);
 875                 return (prop->criteria == MATCHCRITERIA_TO)? ret : !ret;
 876         }
 877         case MATCHCRITERIA_CC:
 878         case MATCHCRITERIA_NOT_CC:
 879         {
 880                 gchar *context;
 881                 gboolean ret;
 882
 883                 context = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 884                 ret = matcherprop_string_match(prop, info->cc, context);
 885                 g_free(context);
 886                 return (prop->criteria == MATCHCRITERIA_CC)? ret : !ret;
 887         }
 888         case MATCHCRITERIA_TO_OR_CC:
 889         {
 890                 gchar *context1, *context2;
 891                 gboolean ret;
 892
 893                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 894                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 895                 ret = matcherprop_string_match(prop, info->to, context1)
 896                         || matcherprop_string_match(prop, info->cc, context2);
 897                 g_free(context1);
 898                 g_free(context2);
 899                 return ret;
 900         }
 901         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 902         {
 903                 gchar *context1, *context2;
 904                 gboolean ret;
 905
 906                 context1 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("To:"));
 907                 context2 = g_strdup_printf(_("%s header"), prefs_common_translated_header_name("Cc:"));
 908                 ret = !(matcherprop_string_match(prop, info->to, context1)
 909                         || matcherprop_string_match(prop, info->cc, context2));
 910                 g_free(context1);
 911                 g_free(context2);
 912                 return ret;
 913         }
 914         case MATCHCRITERIA_TAG:
 915         case MATCHCRITERIA_NOT_TAG:
 916         {
 917                 gboolean ret;
 918
 919                 ret = matcherprop_tag_match(prop, info, _("Tag"));
 920                 return (prop->criteria == MATCHCRITERIA_TAG)? ret : !ret;
 921         }
 922         case MATCHCRITERIA_TAGGED:
 923         case MATCHCRITERIA_NOT_TAGGED:
 924         {
 925                 gboolean ret;
 926
 927                 ret = (info->tags != NULL);
 928                 return (prop->criteria == MATCHCRITERIA_TAGGED)? ret : !ret;
 929         }
 930         case MATCHCRITERIA_AGE_GREATER:
 931         {
 932                 gboolean ret;
 933                 gint age;
 934
 935                 t = time(NULL);
 936                 age = ((t - info->date_t) / (60 * 60 * 24));
 937                 ret = (age > prop->value);
 938
 939                 /* debug output */
 940                 if (debug_filtering_session
 941                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 942                         if (ret) {
 943                                 log_print(LOG_DEBUG_FILTERING,
 944                                                 "message age [ %d ] is greater than [ %d ]\n",
 945                                                 age, prop->value);
 946                         } else {
 947                                 log_print(LOG_DEBUG_FILTERING,
 948                                                 "message age [ %d ] is not greater than [ %d ]\n",
 949                                                 age, prop->value);
 950                         }
 951                 }
 952                 return ret;
 953         }
 954         case MATCHCRITERIA_AGE_LOWER:
 955         {
 956                 gboolean ret;
 957                 gint age;
 958
 959                 t = time(NULL);
 960                 age = ((t - info->date_t) / (60 * 60 * 24));
 961                 ret = (age < prop->value);
 962
 963                 /* debug output */
 964                 if (debug_filtering_session
 965                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 966                         if (ret) {
 967                                 log_print(LOG_DEBUG_FILTERING,
 968                                                 "message age [ %d ] is lower than [ %d ]\n",
 969                                                 age, prop->value);
 970                         } else {
 971                                 log_print(LOG_DEBUG_FILTERING,
 972                                                 "message age [ %d ] is not lower than [ %d ]\n",
 973                                                 age, prop->value);
 974                         }
 975                 }
 976                 return ret;
 977         }
 978         case MATCHCRITERIA_SCORE_GREATER:
 979         {
 980                 gboolean ret = (info->score > prop->value);
 981
 982                 /* debug output */
 983                 if (debug_filtering_session
 984                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
 985                         if (ret) {
 986                                 log_print(LOG_DEBUG_FILTERING,
 987                                                 "message score [ %d ] is greater than [ %d ]\n",
 988                                                 info->score, prop->value);
 989                         } else {
 990                                 log_print(LOG_DEBUG_FILTERING,
 991                                                 "message score [ %d ] is not greater than [ %d ]\n",
 992                                                 info->score, prop->value);
 993                         }
 994                 }
 995                 return ret;
 996         }
 997         case MATCHCRITERIA_SCORE_LOWER:
 998         {
 999                 gboolean ret = (info->score < prop->value);
1000
1001                 /* debug output */
1002                 if (debug_filtering_session
1003                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1004                         if (ret) {
1005                                 log_print(LOG_DEBUG_FILTERING,
1006                                                 "message score [ %d ] is lower than [ %d ]\n",
1007                                                 info->score, prop->value);
1008                         } else {
1009                                 log_print(LOG_DEBUG_FILTERING,
1010                                                 "message score [ %d ] is not lower than [ %d ]\n",
1011                                                 info->score, prop->value);
1012                         }
1013                 }
1014                 return ret;
1015         }
1016         case MATCHCRITERIA_SCORE_EQUAL:
1017         {
1018                 gboolean ret = (info->score == prop->value);
1019
1020                 /* debug output */
1021                 if (debug_filtering_session
1022                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1023                         if (ret) {
1024                                 log_print(LOG_DEBUG_FILTERING,
1025                                                 "message score [ %d ] is equal to [ %d ]\n",
1026                                                 info->score, prop->value);
1027                         } else {
1028                                 log_print(LOG_DEBUG_FILTERING,
1029                                                 "message score [ %d ] is not equal to [ %d ]\n",
1030                                                 info->score, prop->value);
1031                         }
1032                 }
1033                 return ret;
1034         }
1035         case MATCHCRITERIA_SIZE_GREATER:
1036         {
1037                 /* FIXME: info->size is a goffset */
1038                 gboolean ret = (info->size > (goffset) prop->value);
1039
1040                 /* debug output */
1041                 if (debug_filtering_session
1042                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1043                         if (ret) {
1044                                 log_print(LOG_DEBUG_FILTERING,
1045                                                 "message size is greater than [ %d ]\n",
1046                                                 prop->value);
1047                         } else {
1048                                 log_print(LOG_DEBUG_FILTERING,
1049                                                 "message size is not greater than [ %d ]\n",
1050                                                 prop->value);
1051                         }
1052                 }
1053                 return ret;
1054         }
1055         case MATCHCRITERIA_SIZE_SMALLER:
1056         {
1057                 /* FIXME: info->size is a goffset */
1058                 gboolean ret = (info->size < (goffset) prop->value);
1059
1060                 /* debug output */
1061                 if (debug_filtering_session
1062                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1063                         if (ret) {
1064                                 log_print(LOG_DEBUG_FILTERING,
1065                                                 "message size is smaller than [ %d ]\n",
1066                                                 prop->value);
1067                         } else {
1068                                 log_print(LOG_DEBUG_FILTERING,
1069                                                 "message size is not smaller than [ %d ]\n",
1070                                                 prop->value);
1071                         }
1072                 }
1073                 return ret;
1074         }
1075         case MATCHCRITERIA_SIZE_EQUAL:
1076         {
1077                 /* FIXME: info->size is a goffset */
1078                 gboolean ret = (info->size == (goffset) prop->value);
1079
1080                 /* debug output */
1081                 if (debug_filtering_session
1082                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1083                         if (ret) {
1084                                 log_print(LOG_DEBUG_FILTERING,
1085                                                 "message size is equal to [ %d ]\n",
1086                                                 prop->value);
1087                         } else {
1088                                 log_print(LOG_DEBUG_FILTERING,
1089                                                 "message size is not equal to [ %d ]\n",
1090                                                 prop->value);
1091                         }
1092                 }
1093                 return ret;
1094         }
1095         case MATCHCRITERIA_PARTIAL:
1096         {
1097                 /* FIXME: info->size is a goffset */
1098                 gboolean ret = (info->total_size != 0 && info->size != (goffset)info->total_size);
1099
1100                 /* debug output */
1101                 if (debug_filtering_session
1102                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1103                         if (ret) {
1104                                 log_print(LOG_DEBUG_FILTERING,
1105                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1106                                                 info->total_size);
1107                         } else {
1108                                 log_print(LOG_DEBUG_FILTERING,
1109                                                 "message is not partially downloaded\n");
1110                         }
1111                 }
1112                 return ret;
1113         }
1114         case MATCHCRITERIA_NOT_PARTIAL:
1115         {
1116                 /* FIXME: info->size is a goffset */
1117                 gboolean ret = (info->total_size == 0 || info->size == (goffset)info->total_size);
1118
1119                 /* debug output */
1120                 if (debug_filtering_session
1121                                 && prefs_common.filtering_debug_level >= FILTERING_DEBUG_LEVEL_HIGH) {
1122                         if (ret) {
1123                                 log_print(LOG_DEBUG_FILTERING,
1124                                                 "message is not partially downloaded\n");
1125                         } else {
1126                                 log_print(LOG_DEBUG_FILTERING,
1127                                                 "message is partially downloaded, size is less than total size [ %d ])\n",
1128                                                 info->total_size);
1129                         }
1130                 }
1131                 return ret;
1132         }
1133         case MATCHCRITERIA_NEWSGROUPS:
1134         case MATCHCRITERIA_NOT_NEWSGROUPS:
1135         {
1136                 gchar *context;
1137                 gboolean ret;
1138
1139                 context = g_strdup_printf(_("%s header"),
1140                                                 prefs_common_translated_header_name("Newsgroups:"));
1141                 ret = matcherprop_string_match(prop, info->newsgroups, context);
1142                 g_free(context);
1143                 return (prop->criteria == MATCHCRITERIA_NEWSGROUPS)? ret : !ret;
1144         }
1145         case MATCHCRITERIA_INREPLYTO:
1146         case MATCHCRITERIA_NOT_INREPLYTO:
1147         {
1148                 gchar *context;
1149                 gboolean ret;
1150
1151                 context = g_strdup_printf(_("%s header"),
1152                                                 prefs_common_translated_header_name("In-Reply-To:"));
1153                 ret = matcherprop_string_match(prop, info->inreplyto, context);
1154                 g_free(context);
1155                 return (prop->criteria == MATCHCRITERIA_INREPLYTO)? ret : !ret;
1156         }
1157         case MATCHCRITERIA_REFERENCES:
1158         case MATCHCRITERIA_NOT_REFERENCES:
1159         {
1160                 gchar *context;
1161                 gboolean ret;
1162
1163                 context = g_strdup_printf(_("%s header"),
1164                                                 prefs_common_translated_header_name("References:"));
1165                 ret = matcherprop_list_match(prop, info->references, context);
1166                 g_free(context);
1167                 return (prop->criteria == MATCHCRITERIA_REFERENCES)? ret : !ret;
1168         }
1169         case MATCHCRITERIA_TEST:
1170                 return matcherprop_match_test(prop, info);
1171         case MATCHCRITERIA_NOT_TEST:
1172                 return !matcherprop_match_test(prop, info);
1173         default:
1174                 return FALSE;
1175         }
1176 }
1177
1178 /* ********************* MatcherList *************************** */
1179
1180 /*!
1181  *\brief        Create a new list of matchers
1182  *
1183  *\param        matchers List of matcher structures
1184  *\param        bool_and Operator
1185  *
1186  *\return       MatcherList * New list
1187  */
1188 MatcherList *matcherlist_new(GSList *matchers, gboolean bool_and)
1189 {
1190         MatcherList *cond;
1191
1192         cond = g_new0(MatcherList, 1);
1193
1194         cond->matchers = matchers;
1195         cond->bool_and = bool_and;
1196
1197         return cond;
1198 }
1199
1200 /*!
1201  *\brief        Frees a list of matchers
1202  *
1203  *\param        cond List of matchers
1204  */
1205 void matcherlist_free(MatcherList *cond)
1206 {
1207         GSList *l;
1208
1209         g_return_if_fail(cond);
1210         for (l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
1211                 matcherprop_free((MatcherProp *) l->data);
1212         }
1213         g_slist_free(cond->matchers);
1214         g_free(cond);
1215 }
1216
1217 /*!
1218  *\brief        Skip all headers in a message file
1219  *
1220  *\param        fp Message file
1221  */
1222 static void matcherlist_skip_headers(FILE *fp)
1223 {
1224         gchar buf[BUFFSIZE];
1225
1226         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
1227                 ;
1228 }
1229
1230 /*!
1231  *\brief        Check if a header matches a matcher condition
1232  *
1233  *\param        matcher Matcher structure to check header for
1234  *\param        buf Header name
1235  *
1236  *\return       boolean TRUE if matching header
1237  */
1238 static gboolean matcherprop_match_one_header(MatcherProp *matcher,
1239                                              gchar *buf)
1240 {
1241         gboolean result = FALSE;
1242         Header *header = NULL;
1243
1244         switch (matcher->criteria) {
1245         case MATCHCRITERIA_HEADER:
1246         case MATCHCRITERIA_NOT_HEADER:
1247                 header = procheader_parse_header(buf);
1248                 if (!header)
1249                         return FALSE;
1250                 if (procheader_headername_equal(header->name,
1251                                                 matcher->header)) {
1252                         if (matcher->criteria == MATCHCRITERIA_HEADER)
1253                                 result = matcherprop_string_match(matcher, header->body, _("header"));
1254                         else
1255                                 result = !matcherprop_string_match(matcher, header->body, _("header"));
1256                         procheader_header_free(header);
1257                         return result;
1258                 }
1259                 else {
1260                         procheader_header_free(header);
1261                 }
1262                 break;
1263         case MATCHCRITERIA_HEADERS_PART:
1264                 return matcherprop_string_match(matcher, buf, _("header line"));
1265         case MATCHCRITERIA_NOT_HEADERS_PART:
1266                 return !matcherprop_string_match(matcher, buf, _("headers line"));
1267         case MATCHCRITERIA_MESSAGE:
1268                 return matcherprop_string_decode_match(matcher, buf, _("message line"));
1269         case MATCHCRITERIA_NOT_MESSAGE:
1270                 return !matcherprop_string_decode_match(matcher, buf, _("message line"));
1271         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1272         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1273                 {
1274                         GSList *address_list = NULL;
1275                         gint match = MATCH_ONE;
1276                         gboolean found = FALSE;
1277
1278                         /* how many address headers are me trying to mach? */
1279                         if (strcasecmp(matcher->header, "Any") == 0)
1280                                 match = MATCH_ANY;
1281                         else if (strcasecmp(matcher->header, "All") == 0)
1282                                         match = MATCH_ALL;
1283
1284                         if (match == MATCH_ONE) {
1285                                 /* matching one address header exactly, is that the right one? */
1286                                 header = procheader_parse_header(buf);
1287                                 if (!header ||
1288                                                 !procheader_headername_equal(header->name, matcher->header))
1289                                         return FALSE;
1290                                 address_list = address_list_append(address_list, header->body);
1291                                 if (address_list == NULL)
1292                                         return FALSE;
1293
1294                         } else {
1295                                 header = procheader_parse_header(buf);
1296                                 if (!header)
1297                                         return FALSE;
1298                                 /* address header is one of the headers we have to match when checking
1299                                    for any address header or all address headers? */
1300                                 if (procheader_headername_equal(header->name, "From") ||
1301                                          procheader_headername_equal(header->name, "To") ||
1302                                          procheader_headername_equal(header->name, "Cc") ||
1303                                          procheader_headername_equal(header->name, "Reply-To") ||
1304                                          procheader_headername_equal(header->name, "Sender"))
1305                                         address_list = address_list_append(address_list, header->body);
1306                                 if (address_list == NULL)
1307                                         return FALSE;
1308                         }
1309
1310                         found = match_with_addresses_in_addressbook
1311                                                         (matcher, address_list, matcher->criteria,
1312                                                          matcher->expr, match);
1313                         g_slist_free(address_list);
1314
1315                         if (matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK)
1316                                 return !found;
1317                         else
1318                                 return found;
1319         }
1320         }
1321
1322         return FALSE;
1323 }
1324
1325 /*!
1326  *\brief        Check if the matcher structure wants headers to
1327  *              be matched
1328  *
1329  *\param        matcher Matcher structure
1330  *
1331  *\return       gboolean TRUE if the matcher structure describes
1332  *              a header match condition
1333  */
1334 static gboolean matcherprop_criteria_headers(const MatcherProp *matcher)
1335 {
1336         switch (matcher->criteria) {
1337         case MATCHCRITERIA_HEADER:
1338         case MATCHCRITERIA_NOT_HEADER:
1339         case MATCHCRITERIA_HEADERS_PART:
1340         case MATCHCRITERIA_NOT_HEADERS_PART:
1341         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1342         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1343                 return TRUE;
1344         default:
1345                 return FALSE;
1346         }
1347 }
1348
1349 /*!
1350  *\brief        Check if the matcher structure wants the message
1351  *              to be matched (just perform an action on any
1352  *              message)
1353  *
1354  *\param        matcher Matcher structure
1355  *
1356  *\return       gboolean TRUE if matcher condition should match
1357  *              a message
1358  */
1359 static gboolean matcherprop_criteria_message(MatcherProp *matcher)
1360 {
1361         switch (matcher->criteria) {
1362         case MATCHCRITERIA_MESSAGE:
1363         case MATCHCRITERIA_NOT_MESSAGE:
1364                 return TRUE;
1365         default:
1366                 return FALSE;
1367         }
1368 }
1369
1370 /*!
1371  *\brief        Check if a list of conditions matches one header in
1372  *              a message file.
1373  *
1374  *\param        matchers List of conditions
1375  *\param        fp Message file
1376  *
1377  *\return       gboolean TRUE if one of the headers is matched by
1378  *              the list of conditions.
1379  */
1380 static gboolean matcherlist_match_headers(MatcherList *matchers, FILE *fp)
1381 {
1382         GSList *l;
1383         gchar buf[BUFFSIZE];
1384
1385         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
1386                 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1387                         MatcherProp *matcher = (MatcherProp *) l->data;
1388                         gint match = MATCH_ANY;
1389
1390                         if (matcher->done)
1391                                 continue;
1392
1393                         /* determine the match range (all, any are our concern here) */
1394                         if (matcher->criteria == MATCHCRITERIA_NOT_HEADERS_PART ||
1395                             matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1396                                 match = MATCH_ALL;
1397
1398                         } else if (matcher->criteria == MATCHCRITERIA_FOUND_IN_ADDRESSBOOK ||
1399                                            matcher->criteria == MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK) {
1400                                 Header *header = NULL;
1401
1402                                 /* address header is one of the headers we have to match when checking
1403                                    for any address header or all address headers? */
1404                                 header = procheader_parse_header(buf);
1405                                 if (header &&
1406                                         (procheader_headername_equal(header->name, "From") ||
1407                                          procheader_headername_equal(header->name, "To") ||
1408                                          procheader_headername_equal(header->name, "Cc") ||
1409                                          procheader_headername_equal(header->name, "Reply-To") ||
1410                                          procheader_headername_equal(header->name, "Sender"))) {
1411
1412                                         if (strcasecmp(matcher->header, "Any") == 0)
1413                                                 match = MATCH_ANY;
1414                                         else if (strcasecmp(matcher->header, "All") == 0)
1415                                                 match = MATCH_ALL;
1416                                         else
1417                                                 match = MATCH_ONE;
1418                                 } else {
1419                                         /* further call to matcherprop_match_one_header() can't match
1420                                            and it irrelevant, so: don't alter the match result */
1421                                         continue;
1422                                 }
1423                         }
1424
1425                         /* ZERO line must NOT match for the rule to match.
1426                          */
1427                         if (match == MATCH_ALL) {
1428                                 if (matcherprop_match_one_header(matcher, buf)) {
1429                                         matcher->result = TRUE;
1430                                 } else {
1431                                         matcher->result = FALSE;
1432                                         matcher->done = TRUE;
1433                                 }
1434                         /* else, just one line matching is enough for the rule to match
1435                          */
1436                         } else if (matcherprop_criteria_headers(matcher) ||
1437                                    matcherprop_criteria_message(matcher)) {
1438                                 if (matcherprop_match_one_header(matcher, buf)) {
1439                                         matcher->result = TRUE;
1440                                         matcher->done = TRUE;
1441                                 }
1442                         }
1443
1444                         /* if the rule matched and the matchers are OR, no need to
1445                          * check the others */
1446                         if (matcher->result && matcher->done) {
1447                                 if (!matchers->bool_and)
1448                                         return TRUE;
1449                         }
1450                 }
1451         }
1452
1453         return FALSE;
1454 }
1455
1456 /*!
1457  *\brief        Check if a matcher wants to check the message body
1458  *
1459  *\param        matcher Matcher structure
1460  *
1461  *\return       gboolean TRUE if body must be matched.
1462  */
1463 static gboolean matcherprop_criteria_body(const MatcherProp *matcher)
1464 {
1465         switch (matcher->criteria) {
1466         case MATCHCRITERIA_BODY_PART:
1467         case MATCHCRITERIA_NOT_BODY_PART:
1468                 return TRUE;
1469         default:
1470                 return FALSE;
1471         }
1472 }
1473
1474 /*!
1475  *\brief        Check if a (line) string matches the criteria
1476  *              described by a matcher structure
1477  *
1478  *\param        matcher Matcher structure
1479  *\param        line String
1480  *
1481  *\return       gboolean TRUE if string matches criteria
1482  */
1483 static gboolean matcherprop_match_line(MatcherProp *matcher, const gchar *line)
1484 {
1485         switch (matcher->criteria) {
1486         case MATCHCRITERIA_BODY_PART:
1487         case MATCHCRITERIA_MESSAGE:
1488                 return matcherprop_string_decode_match(matcher, line, _("body line"));
1489         case MATCHCRITERIA_NOT_BODY_PART:
1490         case MATCHCRITERIA_NOT_MESSAGE:
1491                 return !matcherprop_string_decode_match(matcher, line, _("body line"));
1492         }
1493         return FALSE;
1494 }
1495
1496 /*!
1497  *\brief        Check if a line in a message file's body matches
1498  *              the criteria
1499  *
1500  *\param        matchers List of conditions
1501  *\param        fp Message file
1502  *
1503  *\return       gboolean TRUE if succesful match
1504  */
1505 static gboolean matcherlist_match_body(MatcherList *matchers, FILE *fp)
1506 {
1507         GSList *l;
1508         gchar buf[BUFFSIZE];
1509
1510         while (fgets(buf, sizeof(buf), fp) != NULL) {
1511                 for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1512                         MatcherProp *matcher = (MatcherProp *) l->data;
1513
1514                         if (matcher->done)
1515                                 continue;
1516
1517                         /* if the criteria is ~body_part or ~message, ZERO lines
1518                          * must NOT match for the rule to match. */
1519                         if (matcher->criteria == MATCHCRITERIA_NOT_BODY_PART ||
1520                             matcher->criteria == MATCHCRITERIA_NOT_MESSAGE) {
1521                                 if (matcherprop_match_line(matcher, buf)) {
1522                                         matcher->result = TRUE;
1523                                 } else {
1524                                         matcher->result = FALSE;
1525                                         matcher->done = TRUE;
1526                                 }
1527                         /* else, just one line has to match */
1528                         } else if (matcherprop_criteria_body(matcher) ||
1529                                    matcherprop_criteria_message(matcher)) {
1530                                 if (matcherprop_match_line(matcher, buf)) {
1531                                         matcher->result = TRUE;
1532                                         matcher->done = TRUE;
1533                                 }
1534                         }
1535
1536                         /* if the matchers are OR'ed and the rule matched,
1537                          * no need to check the others. */
1538                         if (matcher->result && matcher->done) {
1539                                 if (!matchers->bool_and)
1540                                         return TRUE;
1541                         }
1542                 }
1543         }
1544         return FALSE;
1545 }
1546
1547 /*!
1548  *\brief        Check if a message file matches criteria
1549  *
1550  *\param        matchers Criteria
1551  *\param        info Message info
1552  *\param        result Default result
1553  *
1554  *\return       gboolean TRUE if matched
1555  */
1556 static gboolean matcherlist_match_file(MatcherList *matchers, MsgInfo *info,
1557                                 gboolean result)
1558 {
1559         gboolean read_headers;
1560         gboolean read_body;
1561         GSList *l;
1562         FILE *fp;
1563         gchar *file;
1564
1565         /* file need to be read ? */
1566
1567         read_headers = FALSE;
1568         read_body = FALSE;
1569         for (l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
1570                 MatcherProp *matcher = (MatcherProp *) l->data;
1571
1572                 if (matcherprop_criteria_headers(matcher))
1573                         read_headers = TRUE;
1574                 if (matcherprop_criteria_body(matcher))
1575                         read_body = TRUE;
1576                 if (matcherprop_criteria_message(matcher)) {
1577                         read_headers = TRUE;
1578                         read_body = TRUE;
1579                 }
1580                 matcher->result = FALSE;
1581                 matcher->done = FALSE;
1582         }
1583
1584         if (!read_headers && !read_body)
1585                 return result;
1586
1587         file = procmsg_get_message_file_full(info, read_headers, read_body);
1588         if (file == NULL)
1589                 return FALSE;
1590
1591         if ((fp = g_fopen(file, "rb")) == NULL) {
1592                 FILE_OP_ERROR(file, "fopen");
1593                 g_free(file);
1594                 return result;
1595         }
1596
1597         /* read the headers */
1598
1599         if (read_headers) {
1600                 if (matcherlist_match_headers(matchers, fp))
1601                         read_body = FALSE;
1602         } else {
1603                 matcherlist_skip_headers(fp);
1604         }
1605
1606         /* read the body */
1607         if (read_body) {
1608                 matcherlist_match_body(matchers, fp);
1609         }
1610
1611         for (l = matchers->matchers; l != NULL; l = g_slist_next(l)) {
1612                 MatcherProp *matcher = (MatcherProp *) l->data;
1613
1614                 if (matcherprop_criteria_headers(matcher) ||
1615                     matcherprop_criteria_body(matcher)    ||
1616                     matcherprop_criteria_message(matcher)) {
1617                         if (matcher->result) {
1618                                 if (!matchers->bool_and) {
1619                                         result = TRUE;
1620                                         break;
1621                                 }
1622                         }
1623                         else {
1624                                 if (matchers->bool_and) {
1625                                         result = FALSE;
1626                                         break;
1627                                 }
1628                         }
1629                 }
1630         }
1631
1632         g_free(file);
1633
1634         fclose(fp);
1635
1636         return result;
1637 }
1638
1639 /*!
1640  *\brief        Test list of conditions on a message.
1641  *
1642  *\param        matchers List of conditions
1643  *\param        info Message info
1644  *
1645  *\return       gboolean TRUE if matched
1646  */
1647 gboolean matcherlist_match(MatcherList *matchers, MsgInfo *info)
1648 {
1649         GSList *l;
1650         gboolean result;
1651
1652         if (!matchers)
1653                 return FALSE;
1654
1655         if (matchers->bool_and)
1656                 result = TRUE;
1657         else
1658                 result = FALSE;
1659
1660         /* test the cached elements */
1661
1662         for (l = matchers->matchers; l != NULL ;l = g_slist_next(l)) {
1663                 MatcherProp *matcher = (MatcherProp *) l->data;
1664
1665                 if (debug_filtering_session) {
1666                         gchar *buf = matcherprop_to_string(matcher);
1667                         log_print(LOG_DEBUG_FILTERING, _("checking if message matches [ %s ]\n"), buf);
1668                         g_free(buf);
1669                 }
1670
1671                 switch(matcher->criteria) {
1672                 case MATCHCRITERIA_ALL:
1673                 case MATCHCRITERIA_UNREAD:
1674                 case MATCHCRITERIA_NOT_UNREAD:
1675                 case MATCHCRITERIA_NEW:
1676                 case MATCHCRITERIA_NOT_NEW:
1677                 case MATCHCRITERIA_MARKED:
1678                 case MATCHCRITERIA_NOT_MARKED:
1679                 case MATCHCRITERIA_DELETED:
1680                 case MATCHCRITERIA_NOT_DELETED:
1681                 case MATCHCRITERIA_REPLIED:
1682                 case MATCHCRITERIA_NOT_REPLIED:
1683                 case MATCHCRITERIA_FORWARDED:
1684                 case MATCHCRITERIA_NOT_FORWARDED:
1685                 case MATCHCRITERIA_LOCKED:
1686                 case MATCHCRITERIA_NOT_LOCKED:
1687                 case MATCHCRITERIA_SPAM:
1688                 case MATCHCRITERIA_NOT_SPAM:
1689                 case MATCHCRITERIA_COLORLABEL:
1690                 case MATCHCRITERIA_NOT_COLORLABEL:
1691                 case MATCHCRITERIA_IGNORE_THREAD:
1692                 case MATCHCRITERIA_NOT_IGNORE_THREAD:
1693                 case MATCHCRITERIA_WATCH_THREAD:
1694                 case MATCHCRITERIA_NOT_WATCH_THREAD:
1695                 case MATCHCRITERIA_SUBJECT:
1696                 case MATCHCRITERIA_NOT_SUBJECT:
1697                 case MATCHCRITERIA_FROM:
1698                 case MATCHCRITERIA_NOT_FROM:
1699                 case MATCHCRITERIA_TO:
1700                 case MATCHCRITERIA_NOT_TO:
1701                 case MATCHCRITERIA_CC:
1702                 case MATCHCRITERIA_NOT_CC:
1703                 case MATCHCRITERIA_TO_OR_CC:
1704                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
1705                 case MATCHCRITERIA_TAG:
1706                 case MATCHCRITERIA_NOT_TAG:
1707                 case MATCHCRITERIA_TAGGED:
1708                 case MATCHCRITERIA_NOT_TAGGED:
1709                 case MATCHCRITERIA_AGE_GREATER:
1710                 case MATCHCRITERIA_AGE_LOWER:
1711                 case MATCHCRITERIA_NEWSGROUPS:
1712                 case MATCHCRITERIA_NOT_NEWSGROUPS:
1713                 case MATCHCRITERIA_INREPLYTO:
1714                 case MATCHCRITERIA_NOT_INREPLYTO:
1715                 case MATCHCRITERIA_REFERENCES:
1716                 case MATCHCRITERIA_NOT_REFERENCES:
1717                 case MATCHCRITERIA_SCORE_GREATER:
1718                 case MATCHCRITERIA_SCORE_LOWER:
1719                 case MATCHCRITERIA_SCORE_EQUAL:
1720                 case MATCHCRITERIA_SIZE_GREATER:
1721                 case MATCHCRITERIA_SIZE_SMALLER:
1722                 case MATCHCRITERIA_SIZE_EQUAL:
1723                 case MATCHCRITERIA_TEST:
1724                 case MATCHCRITERIA_NOT_TEST:
1725                 case MATCHCRITERIA_PARTIAL:
1726                 case MATCHCRITERIA_NOT_PARTIAL:
1727                         if (matcherprop_match(matcher, info)) {
1728                                 if (!matchers->bool_and) {
1729                                         if (debug_filtering_session)
1730                                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1731                                         return TRUE;
1732                                 }
1733                         }
1734                         else {
1735                                 if (matchers->bool_and) {
1736                                         if (debug_filtering_session)
1737                                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1738                                         return FALSE;
1739                                 }
1740                         }
1741                 }
1742         }
1743
1744         /* test the condition on the file */
1745
1746         if (matcherlist_match_file(matchers, info, result)) {
1747                 if (!matchers->bool_and) {
1748                         if (debug_filtering_session)
1749                                 log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1750                         return TRUE;
1751                 }
1752         } else {
1753                 if (matchers->bool_and) {
1754                         if (debug_filtering_session)
1755                                 log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1756                         return FALSE;
1757                 }
1758         }
1759
1760         if (debug_filtering_session) {
1761                 if (result)
1762                         log_status_ok(LOG_DEBUG_FILTERING, _("message matches\n"));
1763                 else
1764                         log_status_nok(LOG_DEBUG_FILTERING, _("message does not match\n"));
1765         }
1766         return result;
1767 }
1768
1769
1770 static gint quote_filter_str(gchar * result, guint size,
1771                              const gchar * path)
1772 {
1773         const gchar * p;
1774         gchar * result_p;
1775         guint remaining;
1776
1777         result_p = result;
1778         remaining = size;
1779
1780         for(p = path ; * p != '\0' ; p ++) {
1781
1782                 if ((* p != '\"') && (* p != '\\')) {
1783                         if (remaining > 0) {
1784                                 * result_p = * p;
1785                                 result_p ++;
1786                                 remaining --;
1787                         }
1788                         else {
1789                                 result[size - 1] = '\0';
1790                                 return -1;
1791                         }
1792                 }
1793                 else {
1794                         if (remaining >= 2) {
1795                                 * result_p = '\\';
1796                                 result_p ++;
1797                                 * result_p = * p;
1798                                 result_p ++;
1799                                 remaining -= 2;
1800                         }
1801                         else {
1802                                 result[size - 1] = '\0';
1803                                 return -1;
1804                         }
1805                 }
1806         }
1807         if (remaining > 0) {
1808                 * result_p = '\0';
1809         }
1810         else {
1811                 result[size - 1] = '\0';
1812                 return -1;
1813         }
1814
1815         return 0;
1816 }
1817
1818
1819 gchar * matcher_quote_str(const gchar * src)
1820 {
1821         gchar * res;
1822         gint len;
1823
1824         len = strlen(src) * 2 + 1;
1825         res = g_malloc(len);
1826         quote_filter_str(res, len, src);
1827
1828         return res;
1829 }
1830
1831 /*!
1832  *\brief        Convert a matcher structure to a string
1833  *
1834  *\param        matcher Matcher structure
1835  *
1836  *\return       gchar * Newly allocated string
1837  */
1838 gchar *matcherprop_to_string(MatcherProp *matcher)
1839 {
1840         gchar *matcher_str = NULL;
1841         const gchar *criteria_str;
1842         const gchar *matchtype_str;
1843         int i;
1844         gchar * quoted_expr;
1845         gchar * quoted_header;
1846
1847         criteria_str = NULL;
1848         for (i = 0; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)); i++) {
1849                 if (matchparser_tab[i].id == matcher->criteria)
1850                         criteria_str = matchparser_tab[i].str;
1851         }
1852         if (criteria_str == NULL)
1853                 return NULL;
1854
1855         switch (matcher->criteria) {
1856         case MATCHCRITERIA_AGE_GREATER:
1857         case MATCHCRITERIA_AGE_LOWER:
1858         case MATCHCRITERIA_SCORE_GREATER:
1859         case MATCHCRITERIA_SCORE_LOWER:
1860         case MATCHCRITERIA_SCORE_EQUAL:
1861         case MATCHCRITERIA_SIZE_GREATER:
1862         case MATCHCRITERIA_SIZE_SMALLER:
1863         case MATCHCRITERIA_SIZE_EQUAL:
1864         case MATCHCRITERIA_COLORLABEL:
1865         case MATCHCRITERIA_NOT_COLORLABEL:
1866                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
1867         case MATCHCRITERIA_ALL:
1868         case MATCHCRITERIA_UNREAD:
1869         case MATCHCRITERIA_NOT_UNREAD:
1870         case MATCHCRITERIA_NEW:
1871         case MATCHCRITERIA_NOT_NEW:
1872         case MATCHCRITERIA_MARKED:
1873         case MATCHCRITERIA_NOT_MARKED:
1874         case MATCHCRITERIA_DELETED:
1875         case MATCHCRITERIA_NOT_DELETED:
1876         case MATCHCRITERIA_REPLIED:
1877         case MATCHCRITERIA_NOT_REPLIED:
1878         case MATCHCRITERIA_FORWARDED:
1879         case MATCHCRITERIA_NOT_FORWARDED:
1880         case MATCHCRITERIA_LOCKED:
1881         case MATCHCRITERIA_NOT_LOCKED:
1882         case MATCHCRITERIA_SPAM:
1883         case MATCHCRITERIA_NOT_SPAM:
1884         case MATCHCRITERIA_PARTIAL:
1885         case MATCHCRITERIA_NOT_PARTIAL:
1886         case MATCHCRITERIA_IGNORE_THREAD:
1887         case MATCHCRITERIA_NOT_IGNORE_THREAD:
1888         case MATCHCRITERIA_WATCH_THREAD:
1889         case MATCHCRITERIA_NOT_WATCH_THREAD:
1890         case MATCHCRITERIA_TAGGED:
1891         case MATCHCRITERIA_NOT_TAGGED:
1892                 return g_strdup(criteria_str);
1893         case MATCHCRITERIA_TEST:
1894         case MATCHCRITERIA_NOT_TEST:
1895                 quoted_expr = matcher_quote_str(matcher->expr);
1896                 matcher_str = g_strdup_printf("%s \"%s\"",
1897                                               criteria_str, quoted_expr);
1898                 g_free(quoted_expr);
1899                 return matcher_str;
1900         case MATCHCRITERIA_FOUND_IN_ADDRESSBOOK:
1901         case MATCHCRITERIA_NOT_FOUND_IN_ADDRESSBOOK:
1902                 quoted_header = matcher_quote_str(matcher->header);
1903                 quoted_expr = matcher_quote_str(matcher->expr);
1904                 matcher_str = g_strdup_printf("%s \"%s\" in \"%s\"",
1905                                               criteria_str, quoted_header, quoted_expr);
1906                 g_free(quoted_header);
1907                 g_free(quoted_expr);
1908                 return matcher_str;
1909         }
1910
1911         matchtype_str = NULL;
1912         for (i = 0; i < sizeof matchparser_tab / sizeof matchparser_tab[0]; i++) {
1913                 if (matchparser_tab[i].id == matcher->matchtype)
1914                         matchtype_str = matchparser_tab[i].str;
1915         }
1916
1917         if (matchtype_str == NULL)
1918                 return NULL;
1919
1920         switch (matcher->matchtype) {
1921         case MATCHTYPE_MATCH:
1922         case MATCHTYPE_MATCHCASE:
1923         case MATCHTYPE_REGEXP:
1924         case MATCHTYPE_REGEXPCASE:
1925                 quoted_expr = matcher_quote_str(matcher->expr);
1926                 if (matcher->header) {
1927                         quoted_header = matcher_quote_str(matcher->header);
1928                         matcher_str = g_strdup_printf
1929                                         ("%s \"%s\" %s \"%s\"",
1930                                          criteria_str, quoted_header,
1931                                          matchtype_str, quoted_expr);
1932                         g_free(quoted_header);
1933                 }
1934                 else
1935                         matcher_str = g_strdup_printf
1936                                         ("%s %s \"%s\"", criteria_str,
1937                                          matchtype_str, quoted_expr);
1938                 g_free(quoted_expr);
1939                 break;
1940         }
1941
1942         return matcher_str;
1943 }
1944
1945 /*!
1946  *\brief        Convert a list of conditions to a string
1947  *
1948  *\param        matchers List of conditions
1949  *
1950  *\return       gchar * Newly allocated string
1951  */
1952 gchar *matcherlist_to_string(const MatcherList *matchers)
1953 {
1954         gint count;
1955         gchar **vstr;
1956         GSList *l;
1957         gchar **cur_str;
1958         gchar *result = NULL;
1959
1960         count = g_slist_length(matchers->matchers);
1961         vstr = g_new(gchar *, count + 1);
1962
1963         for (l = matchers->matchers, cur_str = vstr; l != NULL;
1964              l = g_slist_next(l), cur_str ++) {
1965                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
1966                 if (*cur_str == NULL)
1967                         break;
1968         }
1969         *cur_str = NULL;
1970
1971         if (matchers->bool_and)
1972                 result = g_strjoinv(" & ", vstr);
1973         else
1974                 result = g_strjoinv(" | ", vstr);
1975
1976         for (cur_str = vstr ; *cur_str != NULL ; cur_str ++)
1977                 g_free(*cur_str);
1978         g_free(vstr);
1979
1980         return result;
1981 }
1982
1983
1984 #define STRLEN_ZERO(s) ((s) ? strlen(s) : 0)
1985 #define STRLEN_DEFAULT(s,d) ((s) ? strlen(s) : STRLEN_ZERO(d))
1986
1987 static void add_str_default(gchar ** dest,
1988                             const gchar * s, const gchar * d)
1989 {
1990         gchar quoted_str[4096];
1991         const gchar * str;
1992
1993         if (s != NULL)
1994                 str = s;
1995         else
1996                 str = d;
1997
1998         quote_cmd_argument(quoted_str, sizeof(quoted_str), str);
1999         strcpy(* dest, quoted_str);
2000
2001         (* dest) += strlen(* dest);
2002 }
2003
2004 /* matching_build_command() - preferably cmd should be unescaped */
2005 /*!
2006  *\brief        Build the command-line to execute
2007  *
2008  *\param        cmd String with command-line specifiers
2009  *\param        info Message info to use for command
2010  *
2011  *\return       gchar * Newly allocated string
2012  */
2013 gchar *matching_build_command(const gchar *cmd, MsgInfo *info)
2014 {
2015         const gchar *s = cmd;
2016         gchar *filename = NULL;
2017         gchar *processed_cmd;
2018         gchar *p;
2019         gint size;
2020
2021         const gchar *const no_subject    = _("(none)") ;
2022         const gchar *const no_from       = _("(none)") ;
2023         const gchar *const no_to         = _("(none)") ;
2024         const gchar *const no_cc         = _("(none)") ;
2025         const gchar *const no_date       = _("(none)") ;
2026         const gchar *const no_msgid      = _("(none)") ;
2027         const gchar *const no_newsgroups = _("(none)") ;
2028         const gchar *const no_references = _("(none)") ;
2029
2030         size = STRLEN_ZERO(cmd) + 1;
2031         while (*s != '\0') {
2032                 if (*s == '%') {
2033                         s++;
2034                         switch (*s) {
2035                         case '%':
2036                                 size -= 1;
2037                                 break;
2038                         case 's': /* subject */
2039                                 size += STRLEN_DEFAULT(info->subject, no_subject) - 2;
2040                                 break;
2041                         case 'f': /* from */
2042                                 size += STRLEN_DEFAULT(info->from, no_from) - 2;
2043                                 break;
2044                         case 't': /* to */
2045                                 size += STRLEN_DEFAULT(info->to, no_to) - 2;
2046                                 break;
2047                         case 'c': /* cc */
2048                                 size += STRLEN_DEFAULT(info->cc, no_cc) - 2;
2049                                 break;
2050                         case 'd': /* date */
2051                                 size += STRLEN_DEFAULT(info->date, no_date) - 2;
2052                                 break;
2053                         case 'i': /* message-id */
2054                                 size += STRLEN_DEFAULT(info->msgid, no_msgid) - 2;
2055                                 break;
2056                         case 'n': /* newsgroups */
2057                                 size += STRLEN_DEFAULT(info->newsgroups, no_newsgroups) - 2;
2058                                 break;
2059                         case 'r': /* references */
2060                                 /* FIXME: using the inreplyto header for reference */
2061                                 size += STRLEN_DEFAULT(info->inreplyto, no_references) - 2;
2062                                 break;
2063                         case 'F': /* file */
2064                                 if (filename == NULL)
2065                                         filename = folder_item_fetch_msg(info->folder, info->msgnum);
2066
2067                                 if (filename == NULL) {
2068                                         g_warning("filename is not set");
2069                                         return NULL;
2070                                 }
2071                                 else {
2072                                         size += strlen(filename) - 2;
2073                                 }
2074                                 break;
2075                         }
2076                         s++;
2077                 }
2078                 else s++;
2079         }
2080
2081         /* as the string can be quoted, we double the result */
2082         size *= 2;
2083
2084         processed_cmd = g_new0(gchar, size);
2085         s = cmd;
2086         p = processed_cmd;
2087
2088         while (*s != '\0') {
2089                 if (*s == '%') {
2090                         s++;
2091                         switch (*s) {
2092                         case '%':
2093                                 *p = '%';
2094                                 p++;
2095                                 break;
2096                         case 's': /* subject */
2097                                 add_str_default(&p, info->subject,
2098                                                 no_subject);
2099                                 break;
2100                         case 'f': /* from */
2101                                 add_str_default(&p, info->from,
2102                                                 no_from);
2103                                 break;
2104                         case 't': /* to */
2105                                 add_str_default(&p, info->to,
2106                                                 no_to);
2107                                 break;
2108                         case 'c': /* cc */
2109                                 add_str_default(&p, info->cc,
2110                                                 no_cc);
2111                                 break;
2112                         case 'd': /* date */
2113                                 add_str_default(&p, info->date,
2114                                                 no_date);
2115                                 break;
2116                         case 'i': /* message-id */
2117                                 add_str_default(&p, info->msgid,
2118                                                 no_msgid);
2119                                 break;
2120                         case 'n': /* newsgroups */
2121                                 add_str_default(&p, info->newsgroups,
2122                                                 no_newsgroups);
2123                                 break;
2124                         case 'r': /* references */
2125                                 /* FIXME: using the inreplyto header for references */
2126                                 add_str_default(&p, info->inreplyto, no_references);
2127                                 break;
2128                         case 'F': /* file */
2129                                 if (filename != NULL)
2130                                         add_str_default(&p, filename, NULL);
2131                                 break;
2132                         default:
2133                                 *p = '%';
2134                                 p++;
2135                                 *p = *s;
2136                                 p++;
2137                                 break;
2138                         }
2139                         s++;
2140                 }
2141                 else {
2142                         *p = *s;
2143                         p++;
2144                         s++;
2145                 }
2146         }
2147         g_free(filename);
2148
2149         return processed_cmd;
2150 }
2151 #undef STRLEN_DEFAULT
2152 #undef STRLEN_ZERO
2153
2154 /* ************************************************************ */
2155
2156
2157 /*!
2158  *\brief        Write filtering list to file
2159  *
2160  *\param        fp File
2161  *\param        prefs_filtering List of filtering conditions
2162  */
2163 static int prefs_filtering_write(FILE *fp, GSList *prefs_filtering)
2164 {
2165         GSList *cur = NULL;
2166
2167         for (cur = prefs_filtering; cur != NULL; cur = cur->next) {
2168                 gchar *filtering_str = NULL;
2169                 gchar *tmp_name = NULL;
2170                 FilteringProp *prop = NULL;
2171
2172                 if (NULL == (prop = (FilteringProp *) cur->data))
2173                         continue;
2174
2175                 if (NULL == (filtering_str = filteringprop_to_string(prop)))
2176                         continue;
2177
2178                 if (prop->enabled) {
2179                         if (fputs("enabled ", fp) == EOF) {
2180                                 FILE_OP_ERROR("filtering config", "fputs");
2181                                 return -1;
2182                         }
2183                 } else {
2184                         if (fputs("disabled ", fp) == EOF) {
2185                                 FILE_OP_ERROR("filtering config", "fputs");
2186                                 return -1;
2187                         }
2188                 }
2189
2190                 if (fputs("rulename \"", fp) == EOF) {
2191                         FILE_OP_ERROR("filtering config", "fputs");
2192                         g_free(filtering_str);
2193                         return -1;
2194                 }
2195                 tmp_name = prop->name;
2196                 while (tmp_name && *tmp_name != '\0') {
2197                         if (*tmp_name != '"') {
2198                                 if (fputc(*tmp_name, fp) == EOF) {
2199                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2200                                         g_free(filtering_str);
2201                                         return -1;
2202                                 }
2203                         } else if (*tmp_name == '"') {
2204                                 if (fputc('\\', fp) == EOF ||
2205                                     fputc('"', fp) == EOF) {
2206                                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2207                                         g_free(filtering_str);
2208                                         return -1;
2209                                 }
2210                         }
2211                         tmp_name ++;
2212                 }
2213                 if (fputs("\" ", fp) == EOF) {
2214                         FILE_OP_ERROR("filtering config", "fputs");
2215                         g_free(filtering_str);
2216                         return -1;
2217                 }
2218
2219                 if (prop->account_id != 0) {
2220                         gchar *tmp = NULL;
2221
2222                         tmp = g_strdup_printf("account %d ", prop->account_id);
2223                         if (fputs(tmp, fp) == EOF) {
2224                                 FILE_OP_ERROR("filtering config", "fputs");
2225                                 g_free(tmp);
2226                                 return -1;
2227                         }
2228                         g_free(tmp);
2229                 }
2230
2231                 if(fputs(filtering_str, fp) == EOF ||
2232                     fputc('\n', fp) == EOF) {
2233                         FILE_OP_ERROR("filtering config", "fputs || fputc");
2234                         g_free(filtering_str);
2235                         return -1;
2236                 }
2237                 g_free(filtering_str);
2238         }
2239
2240         return 0;
2241 }
2242
2243 typedef struct _NodeLoopData {
2244         FILE *fp;
2245         gboolean error;
2246 } NodeLoopData;
2247
2248 /*!
2249  *\brief        Write matchers from a folder item
2250  *
2251  *\param        node Node with folder info
2252  *\param        data File pointer
2253  *
2254  *\return       gboolean FALSE
2255  */
2256 static gboolean prefs_matcher_write_func(GNode *node, gpointer d)
2257 {
2258         FolderItem *item;
2259         NodeLoopData *data = (NodeLoopData *)d;
2260         gchar *id;
2261         GSList *prefs_filtering;
2262
2263         item = node->data;
2264         /* prevent warning */
2265         if (item->path == NULL)
2266                 return FALSE;
2267         id = folder_item_get_identifier(item);
2268         if (id == NULL)
2269                 return FALSE;
2270         prefs_filtering = item->prefs->processing;
2271
2272         if (prefs_filtering != NULL) {
2273                 if (fprintf(data->fp, "[%s]\n", id) < 0) {
2274                         data->error = TRUE;
2275                         goto fail;
2276                 }
2277                 if (prefs_filtering_write(data->fp, prefs_filtering) < 0) {
2278                         data->error = TRUE;
2279                         goto fail;
2280                 }
2281                 if (fputc('\n', data->fp) == EOF) {
2282                         data->error = TRUE;
2283                         goto fail;
2284                 }
2285         }
2286 fail:
2287         g_free(id);
2288
2289         return FALSE;
2290 }
2291
2292 /*!
2293  *\brief        Save matchers from folder items
2294  *
2295  *\param        fp File
2296  */
2297 static int prefs_matcher_save(FILE *fp)
2298 {
2299         GList *cur;
2300         NodeLoopData data;
2301
2302         data.fp = fp;
2303         data.error = FALSE;
2304
2305         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
2306                 Folder *folder;
2307
2308                 folder = (Folder *) cur->data;
2309                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
2310                                 prefs_matcher_write_func, &data);
2311         }
2312
2313         if (data.error == TRUE)
2314                 return -1;
2315
2316         /* pre global rules */
2317         if (fprintf(fp, "[preglobal]\n") < 0 ||
2318             prefs_filtering_write(fp, pre_global_processing) < 0 ||
2319             fputc('\n', fp) == EOF)
2320                 return -1;
2321
2322         /* post global rules */
2323         if (fprintf(fp, "[postglobal]\n") < 0 ||
2324             prefs_filtering_write(fp, post_global_processing) < 0 ||
2325             fputc('\n', fp) == EOF)
2326                 return -1;
2327
2328         /* filtering rules */
2329         if (fprintf(fp, "[filtering]\n") < 0 ||
2330             prefs_filtering_write(fp, filtering_rules) < 0 ||
2331             fputc('\n', fp) == EOF)
2332                 return -1;
2333
2334         return 0;
2335 }
2336
2337 /*!
2338  *\brief        Write filtering / matcher configuration file
2339  */
2340 void prefs_matcher_write_config(void)
2341 {
2342         gchar *rcpath;
2343         PrefFile *pfile;
2344
2345         debug_print("Writing matcher configuration...\n");
2346
2347         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2348                              MATCHER_RC, NULL);
2349
2350         if ((pfile = prefs_write_open(rcpath)) == NULL) {
2351                 g_warning("failed to write configuration to file\n");
2352                 g_free(rcpath);
2353                 return;
2354         }
2355
2356         g_free(rcpath);
2357
2358         if (prefs_matcher_save(pfile->fp) < 0) {
2359                 g_warning("failed to write configuration to file\n");
2360                 prefs_file_close_revert(pfile);
2361         } else if (prefs_file_close(pfile) < 0) {
2362                 g_warning("failed to save configuration to file\n");
2363         }
2364 }
2365
2366 /* ******************************************************************* */
2367
2368 static void matcher_add_rulenames(const gchar *rcpath)
2369 {
2370         gchar *newpath = g_strconcat(rcpath, ".new", NULL);
2371         FILE *src = g_fopen(rcpath, "rb");
2372         FILE *dst = g_fopen(newpath, "wb");
2373         gchar buf[BUFFSIZE];
2374         int r;
2375         if (dst == NULL) {
2376                 perror("fopen");
2377                 g_free(newpath);
2378                 return;
2379         }
2380
2381         while (fgets (buf, sizeof(buf), src) != NULL) {
2382                 if (strlen(buf) > 2 && buf[0] != '['
2383                 && strncmp(buf, "rulename \"", 10)
2384                 && strncmp(buf, "enabled rulename \"", 18)
2385                 && strncmp(buf, "disabled rulename \"", 18)) {
2386                         r = fwrite("enabled rulename \"\" ",
2387                                 strlen("enabled rulename \"\" "), 1, dst);
2388                 }
2389                 r = fwrite(buf, strlen(buf), 1, dst);
2390         }
2391         fclose(dst);
2392         fclose(src);
2393         move_file(newpath, rcpath, TRUE);
2394         g_free(newpath);
2395 }
2396
2397 /*!
2398  *\brief        Read matcher configuration
2399  */
2400 void prefs_matcher_read_config(void)
2401 {
2402         gchar *rcpath;
2403         gchar *rc_old_format;
2404         FILE *f;
2405
2406         create_matchparser_hashtab();
2407         prefs_filtering_clear();
2408
2409         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
2410         rc_old_format = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC,
2411                                 ".pre_names", NULL);
2412
2413         if (!is_file_exist(rc_old_format) && is_file_exist(rcpath)) {
2414                 /* backup file with no rules names, in case
2415                  * anything goes wrong */
2416                 copy_file(rcpath, rc_old_format, FALSE);
2417                 /* now hack the file in order to have it to the new format */
2418                 matcher_add_rulenames(rcpath);
2419         }
2420
2421         g_free(rc_old_format);
2422
2423         f = g_fopen(rcpath, "rb");
2424         g_free(rcpath);
2425
2426         if (f != NULL) {
2427                 matcher_parser_start_parsing(f);
2428                 fclose(matcher_parserin);
2429         }
2430         else {
2431                 /* previous version compatibility */
2432
2433                 /* g_print("reading filtering\n"); */
2434                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2435                                      FILTERING_RC, NULL);
2436                 f = g_fopen(rcpath, "rb");
2437                 g_free(rcpath);
2438
2439                 if (f != NULL) {
2440                         matcher_parser_start_parsing(f);
2441                         fclose(matcher_parserin);
2442                 }
2443
2444                 /* g_print("reading scoring\n"); */
2445                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
2446                                      SCORING_RC, NULL);
2447                 f = g_fopen(rcpath, "rb");
2448                 g_free(rcpath);
2449
2450                 if (f != NULL) {
2451                         matcher_parser_start_parsing(f);
2452                         fclose(matcher_parserin);
2453                 }
2454         }
2455 }