src/matcher.c

   1 #include <ctype.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <errno.h>
   5 #include "defs.h"
   6 #include "utils.h"
   7 #include "procheader.h"
   8 #include "matcher.h"
   9 #include "intl.h"
  10 #include "matcher_parser.h"
  11 #include "prefs.h"
  12
  13 struct _MatchParser {
  14         gint id;
  15         gchar * str;
  16 };
  17
  18 typedef struct _MatchParser MatchParser;
  19
  20 static MatchParser matchparser_tab[] = {
  21         /* msginfo flags */
  22         {MATCHCRITERIA_ALL, "all"},
  23         {MATCHCRITERIA_UNREAD, "unread"},
  24         {MATCHCRITERIA_NOT_UNREAD, "~unread"},
  25         {MATCHCRITERIA_NEW, "new"},
  26         {MATCHCRITERIA_NOT_NEW, "~new"},
  27         {MATCHCRITERIA_MARKED, "marked"},
  28         {MATCHCRITERIA_NOT_MARKED, "~marked"},
  29         {MATCHCRITERIA_DELETED, "deleted"},
  30         {MATCHCRITERIA_NOT_DELETED, "~deleted"},
  31         {MATCHCRITERIA_REPLIED, "replied"},
  32         {MATCHCRITERIA_NOT_REPLIED, "~replied"},
  33         {MATCHCRITERIA_FORWARDED, "forwarded"},
  34         {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
  35
  36         /* msginfo headers */
  37         {MATCHCRITERIA_SUBJECT, "subject"},
  38         {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
  39         {MATCHCRITERIA_FROM, "from"},
  40         {MATCHCRITERIA_NOT_FROM, "~from"},
  41         {MATCHCRITERIA_TO, "to"},
  42         {MATCHCRITERIA_NOT_TO, "~to"},
  43         {MATCHCRITERIA_CC, "cc"},
  44         {MATCHCRITERIA_NOT_CC, "~cc"},
  45         {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
  46         {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
  47         {MATCHCRITERIA_AGE_GREATER, "age_greater"},
  48         {MATCHCRITERIA_AGE_LOWER, "age_lower"},
  49         {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
  50         {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
  51         {MATCHCRITERIA_INREPLYTO, "inreplyto"},
  52         {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
  53         {MATCHCRITERIA_REFERENCES, "references"},
  54         {MATCHCRITERIA_NOT_REFERENCES, "~references"},
  55         {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
  56         {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
  57         {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
  58
  59         /* content have to be read */
  60         {MATCHCRITERIA_HEADER, "header"},
  61         {MATCHCRITERIA_NOT_HEADER, "~header"},
  62         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
  63         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
  64         {MATCHCRITERIA_MESSAGE, "message"},
  65         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
  66         {MATCHCRITERIA_BODY_PART, "body_part"},
  67         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
  68         {MATCHCRITERIA_EXECUTE, "execute"},
  69         {MATCHCRITERIA_NOT_EXECUTE, "~execute"},
  70
  71         /* match type */
  72         {MATCHTYPE_MATCHCASE, "matchcase"},
  73         {MATCHTYPE_MATCH, "match"},
  74         {MATCHTYPE_REGEXPCASE, "regexpcase"},
  75         {MATCHTYPE_REGEXP, "regexp"},
  76
  77         /* actions */
  78         {MATCHACTION_SCORE, "score"},
  79         {MATCHACTION_MOVE, "move"},
  80         {MATCHACTION_COPY, "copy"},
  81         {MATCHACTION_DELETE, "delete"},
  82         {MATCHACTION_MARK, "mark"},
  83         {MATCHACTION_UNMARK, "unmark"},
  84         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
  85         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
  86         {MATCHACTION_FORWARD, "forward"},
  87         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
  88         {MATCHACTION_EXECUTE, "execute"},
  89         {MATCHACTION_COLOR, "color"},
  90         {MATCHACTION_BOUNCE, "bounce"}
  91 };
  92
  93 /* get_matchparser_tab_str() - used by filtering.c to translate
  94  * actions to debug strings */
  95 gchar * get_matchparser_tab_str(gint id)
  96 {
  97         gint i;
  98
  99         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 100             i++) {
 101                 if (matchparser_tab[i].id == id)
 102                         return matchparser_tab[i].str;
 103         }
 104         return NULL;
 105 }
 106
 107 /* matcher_unescape_str() - assumes that unescaping frees up room
 108  * in the string, so it returns the unescaped string in the
 109  * source */
 110 gchar *matcher_unescape_str(gchar *str)
 111 {
 112         gchar *tmp = alloca(strlen(str) + 1);
 113         register gchar *src = tmp;
 114         register gchar *dst = str;
 115
 116         strcpy(tmp, str);
 117
 118         for ( ; *src; src++) {
 119                 if (*src != '\\')
 120                         *dst++ = *src;
 121                 else {
 122                         src++;
 123                         if (*src == '\\')
 124                                 *dst++ = '\\';                          /* insert backslash */
 125                         else if (*src == 'n')                           /* insert control characters */
 126                                 *dst++ = '\n';
 127                         else if (*src == 'r')
 128                                 *dst++ = '\r';
 129                         else if (*src == 't')
 130                                 *dst++ = '\t';
 131                         else if (*src == 'r')
 132                                 *dst++ = '\r';
 133                         else if (*src == 'b')
 134                                 *dst++ = '\b';
 135                         else if (*src == 'f')
 136                                 *dst++ = '\f';
 137                         else if (*src == '\'' || *src == '\"')          /* insert \' or \" */
 138                                 *dst++ = *src;
 139                         else {
 140                                 /* FIXME: should perhaps escape character... */
 141                                 src--;
 142                                 *dst++ = *src;
 143                         }
 144                 }
 145         }
 146         *dst = 0;
 147         return str;
 148 }
 149
 150 /* **************** data structure allocation **************** */
 151
 152 /* matcherprop_new() - allocates a structure for one condition
 153  */
 154 MatcherProp * matcherprop_new(gint criteria, gchar * header,
 155                               gint matchtype, gchar * expr,
 156                               int value)
 157 {
 158         MatcherProp * prop;
 159
 160         prop = g_new0(MatcherProp, 1);
 161         prop->criteria = criteria;
 162         if (header != NULL) {
 163                 prop->header       = g_strdup(header);
 164                 prop->unesc_header = matcher_unescape_str(g_strdup(header));
 165         }
 166         else {
 167                 prop->header       = NULL;
 168                 prop->unesc_header = NULL;
 169         }
 170         if (expr != NULL) {
 171                 prop->expr       = g_strdup(expr);
 172                 prop->unesc_expr = matcher_unescape_str(g_strdup(expr));
 173         }
 174         else {
 175                 prop->expr       = NULL;
 176                 prop->unesc_expr = NULL;
 177         }
 178         prop->matchtype = matchtype;
 179         prop->preg = NULL;
 180         prop->value = value;
 181         prop->error = 0;
 182
 183         return prop;
 184 }
 185
 186 /* matcherprop_free()
 187  */
 188 void matcherprop_free(MatcherProp * prop)
 189 {
 190         if (prop->expr)
 191                 g_free(prop->expr);
 192         if (prop->unesc_expr)
 193                 g_free(prop->unesc_expr);
 194         if (prop->header)
 195                 g_free(prop->header);
 196         if (prop->unesc_header)
 197                 g_free(prop->unesc_header);
 198         if (prop->preg != NULL) {
 199                 regfree(prop->preg);
 200                 g_free(prop->preg);
 201         }
 202         g_free(prop);
 203 }
 204
 205
 206 /* ************** match ******************************/
 207
 208
 209 /* matcherprop_string_match() - finds out if a string matches
 210  * with a criterium */
 211 static gboolean matcherprop_string_match(MatcherProp * prop, gchar * str)
 212 {
 213         gchar * str1;
 214         gchar * str2;
 215
 216         if (str == NULL)
 217                 return FALSE;
 218
 219         switch(prop->matchtype) {
 220         case MATCHTYPE_REGEXPCASE:
 221         case MATCHTYPE_REGEXP:
 222                 if (!prop->preg && (prop->error == 0)) {
 223                         prop->preg = g_new0(regex_t, 1);
 224                         /* if regexp then don't use the escaped string */
 225                         if (regcomp(prop->preg, prop->expr,
 226                                     REG_NOSUB | REG_EXTENDED
 227                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 228                                     ? REG_ICASE : 0)) != 0) {
 229                                 prop->error = 1;
 230                                 g_free(prop->preg);
 231                         }
 232                 }
 233                 if (prop->preg == NULL)
 234                         return FALSE;
 235
 236                 if (regexec(prop->preg, str, 0, NULL, 0) == 0)
 237                         return TRUE;
 238                 else
 239                         return FALSE;
 240
 241         case MATCHTYPE_MATCH:
 242                 return (strstr(str, prop->unesc_expr) != NULL);
 243
 244         /* FIXME: put upper in unesc_str */
 245         case MATCHTYPE_MATCHCASE:
 246                 str2 = alloca(strlen(prop->unesc_expr) + 1);
 247                 strcpy(str2, prop->unesc_expr);
 248                 g_strup(str2);
 249                 str1 = alloca(strlen(str) + 1);
 250                 strcpy(str1, str);
 251                 g_strup(str1);
 252                 return (strstr(str1, str2) != NULL);
 253
 254         default:
 255                 return FALSE;
 256         }
 257 }
 258
 259 gboolean matcherprop_match_execute(MatcherProp * prop, MsgInfo * info)
 260 {
 261         gchar * file;
 262         gchar * cmd;
 263
 264         file = procmsg_get_message_file(info);
 265         if (file == NULL)
 266                 return FALSE;
 267
 268         cmd = matching_build_command(prop->unesc_expr, info);
 269         if (cmd == NULL)
 270                 return FALSE;
 271
 272         return (system(cmd) == 0);
 273 }
 274
 275 /* match a message and his headers, hlist can be NULL if you don't
 276    want to use headers */
 277
 278 gboolean matcherprop_match(MatcherProp * prop, MsgInfo * info)
 279 {
 280         time_t t;
 281
 282         switch(prop->criteria) {
 283         case MATCHCRITERIA_ALL:
 284                 return 1;
 285         case MATCHCRITERIA_UNREAD:
 286                 return MSG_IS_UNREAD(info->flags);
 287         case MATCHCRITERIA_NOT_UNREAD:
 288                 return !MSG_IS_UNREAD(info->flags);
 289         case MATCHCRITERIA_NEW:
 290                 return MSG_IS_NEW(info->flags);
 291         case MATCHCRITERIA_NOT_NEW:
 292                 return !MSG_IS_NEW(info->flags);
 293         case MATCHCRITERIA_MARKED:
 294                 return MSG_IS_MARKED(info->flags);
 295         case MATCHCRITERIA_NOT_MARKED:
 296                 return !MSG_IS_MARKED(info->flags);
 297         case MATCHCRITERIA_DELETED:
 298                 return MSG_IS_DELETED(info->flags);
 299         case MATCHCRITERIA_NOT_DELETED:
 300                 return !MSG_IS_DELETED(info->flags);
 301         case MATCHCRITERIA_REPLIED:
 302                 return MSG_IS_REPLIED(info->flags);
 303         case MATCHCRITERIA_NOT_REPLIED:
 304                 return !MSG_IS_REPLIED(info->flags);
 305         case MATCHCRITERIA_FORWARDED:
 306                 return MSG_IS_FORWARDED(info->flags);
 307         case MATCHCRITERIA_NOT_FORWARDED:
 308                 return !MSG_IS_FORWARDED(info->flags);
 309         case MATCHCRITERIA_SUBJECT:
 310                 return matcherprop_string_match(prop, info->subject);
 311         case MATCHCRITERIA_NOT_SUBJECT:
 312                 return !matcherprop_string_match(prop, info->subject);
 313         case MATCHCRITERIA_FROM:
 314                 return matcherprop_string_match(prop, info->from);
 315         case MATCHCRITERIA_NOT_FROM:
 316                 return !matcherprop_string_match(prop, info->from);
 317         case MATCHCRITERIA_TO:
 318                 return matcherprop_string_match(prop, info->to);
 319         case MATCHCRITERIA_NOT_TO:
 320                 return !matcherprop_string_match(prop, info->to);
 321         case MATCHCRITERIA_CC:
 322                 return matcherprop_string_match(prop, info->cc);
 323         case MATCHCRITERIA_NOT_CC:
 324                 return !matcherprop_string_match(prop, info->cc);
 325         case MATCHCRITERIA_TO_OR_CC:
 326                 return matcherprop_string_match(prop, info->to)
 327                         || matcherprop_string_match(prop, info->cc);
 328         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 329                 return !(matcherprop_string_match(prop, info->to)
 330                 || matcherprop_string_match(prop, info->cc));
 331         case MATCHCRITERIA_AGE_GREATER:
 332                 t = time(NULL);
 333                 return ((t - info->date_t) / (60 * 60 * 24)) >= prop->value;
 334         case MATCHCRITERIA_AGE_LOWER:
 335                 t = time(NULL);
 336                 return ((t - info->date_t) / (60 * 60 * 24)) <= prop->value;
 337         case MATCHCRITERIA_SCORE_GREATER:
 338                 return info->score >= prop->value;
 339         case MATCHCRITERIA_SCORE_LOWER:
 340                 return info->score <= prop->value;
 341         case MATCHCRITERIA_SCORE_EQUAL:
 342                 return info->score == prop->value;
 343         case MATCHCRITERIA_NEWSGROUPS:
 344                 return matcherprop_string_match(prop, info->newsgroups);
 345         case MATCHCRITERIA_NOT_NEWSGROUPS:
 346                 return !matcherprop_string_match(prop, info->newsgroups);
 347         case MATCHCRITERIA_INREPLYTO:
 348                 return matcherprop_string_match(prop, info->inreplyto);
 349         case MATCHCRITERIA_NOT_INREPLYTO:
 350                 return !matcherprop_string_match(prop, info->inreplyto);
 351         case MATCHCRITERIA_REFERENCES:
 352                 return matcherprop_string_match(prop, info->references);
 353         case MATCHCRITERIA_NOT_REFERENCES:
 354                 return !matcherprop_string_match(prop, info->references);
 355         case MATCHCRITERIA_EXECUTE:
 356                 return matcherprop_match_execute(prop, info);
 357         case MATCHCRITERIA_NOT_EXECUTE:
 358                 return !matcherprop_match_execute(prop, info);
 359         default:
 360                 return 0;
 361         }
 362 }
 363
 364 /* ********************* MatcherList *************************** */
 365
 366
 367 MatcherList * matcherlist_new(GSList * matchers, gboolean bool_and)
 368 {
 369         MatcherList * cond;
 370
 371         cond = g_new0(MatcherList, 1);
 372
 373         cond->matchers = matchers;
 374         cond->bool_and = bool_and;
 375
 376         return cond;
 377 }
 378
 379 void matcherlist_free(MatcherList * cond)
 380 {
 381         GSList * l;
 382
 383         for(l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
 384                 matcherprop_free((MatcherProp *) l->data);
 385         }
 386         g_free(cond);
 387 }
 388
 389 /*
 390   skip the headers
 391  */
 392
 393 static void matcherlist_skip_headers(FILE *fp)
 394 {
 395         gchar buf[BUFFSIZE];
 396
 397         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
 398         }
 399 }
 400
 401 /*
 402   matcherprop_match_one_header
 403   returns TRUE if buf matchs the MatchersProp criteria
 404  */
 405
 406 static gboolean matcherprop_match_one_header(MatcherProp * matcher,
 407                                              gchar * buf)
 408 {
 409         gboolean result;
 410         Header *header;
 411
 412         switch(matcher->criteria) {
 413         case MATCHCRITERIA_HEADER:
 414         case MATCHCRITERIA_NOT_HEADER:
 415                 header = procheader_parse_header(buf);
 416                 if (!header)
 417                         return FALSE;
 418                 if (procheader_headername_equal(header->name,
 419                                                 matcher->header)) {
 420                         if (matcher->criteria == MATCHCRITERIA_HEADER)
 421                                 result = matcherprop_string_match(matcher, header->body);
 422                         else
 423                                 result = !matcherprop_string_match(matcher, header->body);
 424                         procheader_header_free(header);
 425                         return result;
 426                 }
 427                 else {
 428                         procheader_header_free(header);
 429                 }
 430                 break;
 431         case MATCHCRITERIA_HEADERS_PART:
 432         case MATCHCRITERIA_MESSAGE:
 433                 return matcherprop_string_match(matcher, buf);
 434         case MATCHCRITERIA_NOT_MESSAGE:
 435         case MATCHCRITERIA_NOT_HEADERS_PART:
 436                 return !matcherprop_string_match(matcher, buf);
 437         }
 438         return FALSE;
 439 }
 440
 441 /*
 442   matcherprop_criteria_header
 443   returns TRUE if the headers must be matched
 444  */
 445
 446 static gboolean matcherprop_criteria_headers(MatcherProp * matcher)
 447 {
 448         switch(matcher->criteria) {
 449         case MATCHCRITERIA_HEADER:
 450         case MATCHCRITERIA_NOT_HEADER:
 451         case MATCHCRITERIA_HEADERS_PART:
 452         case MATCHCRITERIA_NOT_HEADERS_PART:
 453                 return TRUE;
 454         default:
 455                 return FALSE;
 456         }
 457 }
 458
 459 static gboolean matcherprop_criteria_message(MatcherProp * matcher)
 460 {
 461         switch(matcher->criteria) {
 462         case MATCHCRITERIA_MESSAGE:
 463         case MATCHCRITERIA_NOT_MESSAGE:
 464                 return TRUE;
 465         default:
 466                 return FALSE;
 467         }
 468 }
 469
 470 /*
 471   matcherlist_match_one_header
 472   returns TRUE if match should stop
 473  */
 474
 475 static gboolean matcherlist_match_one_header(MatcherList * matchers,
 476                                          gchar * buf)
 477 {
 478         GSList * l;
 479
 480         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 481                 MatcherProp * matcher = (MatcherProp *) l->data;
 482
 483                 if (matcherprop_criteria_headers(matcher) ||
 484                     matcherprop_criteria_message(matcher)) {
 485                         if (matcherprop_match_one_header(matcher, buf)) {
 486                                 matcher->result = TRUE;
 487                         }
 488                 }
 489
 490                 if (matcherprop_criteria_headers(matcher)) {
 491                         if (matcher->result) {
 492                                 if (!matchers->bool_and)
 493                                         return TRUE;
 494                         }
 495                 }
 496         }
 497
 498         return FALSE;
 499 }
 500
 501 /*
 502   matcherlist_match_headers
 503   returns TRUE if one of the headers matchs the MatcherList criteria
 504  */
 505
 506 static gboolean matcherlist_match_headers(MatcherList * matchers, FILE * fp)
 507 {
 508         gchar buf[BUFFSIZE];
 509
 510         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
 511                 if (matcherlist_match_one_header(matchers, buf))
 512                         return TRUE;
 513
 514         return FALSE;
 515 }
 516
 517 /*
 518   matcherprop_criteria_body
 519   returns TRUE if the body must be matched
 520  */
 521
 522 static gboolean matcherprop_criteria_body(MatcherProp * matcher)
 523 {
 524         switch(matcher->criteria) {
 525         case MATCHCRITERIA_BODY_PART:
 526         case MATCHCRITERIA_NOT_BODY_PART:
 527                 return TRUE;
 528         default:
 529                 return FALSE;
 530         }
 531 }
 532
 533 /*
 534   matcherprop_match_line
 535   returns TRUE if the string matchs the MatcherProp criteria
 536  */
 537
 538 static gboolean matcherprop_match_line(MatcherProp * matcher, gchar * line)
 539 {
 540         switch(matcher->criteria) {
 541         case MATCHCRITERIA_BODY_PART:
 542         case MATCHCRITERIA_MESSAGE:
 543                 return matcherprop_string_match(matcher, line);
 544         case MATCHCRITERIA_NOT_BODY_PART:
 545         case MATCHCRITERIA_NOT_MESSAGE:
 546                 return !matcherprop_string_match(matcher, line);
 547         }
 548         return FALSE;
 549 }
 550
 551 /*
 552   matcherlist_match_line
 553   returns TRUE if the string matchs the MatcherList criteria
 554  */
 555
 556 static gboolean matcherlist_match_line(MatcherList * matchers, gchar * line)
 557 {
 558         GSList * l;
 559
 560         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 561                 MatcherProp * matcher = (MatcherProp *) l->data;
 562
 563                 if (matcherprop_criteria_body(matcher) ||
 564                     matcherprop_criteria_message(matcher)) {
 565                         if (matcherprop_match_line(matcher, line)) {
 566                                 matcher->result = TRUE;
 567                         }
 568                 }
 569
 570                 if (matcher->result) {
 571                         if (!matchers->bool_and)
 572                                 return TRUE;
 573                 }
 574         }
 575         return FALSE;
 576 }
 577
 578 /*
 579   matcherlist_match_body
 580   returns TRUE if one line of the body matchs the MatcherList criteria
 581  */
 582
 583 static gboolean matcherlist_match_body(MatcherList * matchers, FILE * fp)
 584 {
 585         gchar buf[BUFFSIZE];
 586
 587         while (fgets(buf, sizeof(buf), fp) != NULL)
 588                 if (matcherlist_match_line(matchers, buf))
 589                         return TRUE;
 590
 591         return FALSE;
 592 }
 593
 594 gboolean matcherlist_match_file(MatcherList * matchers, MsgInfo * info,
 595                                 gboolean result)
 596 {
 597         gboolean read_headers;
 598         gboolean read_body;
 599         GSList * l;
 600         FILE * fp;
 601         gchar * file;
 602
 603         /* file need to be read ? */
 604
 605         read_headers = FALSE;
 606         read_body = FALSE;
 607         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 608                 MatcherProp * matcher = (MatcherProp *) l->data;
 609
 610                 if (matcherprop_criteria_headers(matcher))
 611                         read_headers = TRUE;
 612                 if (matcherprop_criteria_body(matcher))
 613                         read_body = TRUE;
 614                 if (matcherprop_criteria_message(matcher)) {
 615                         read_headers = TRUE;
 616                         read_body = TRUE;
 617                 }
 618                 matcher->result = FALSE;
 619         }
 620
 621         if (!read_headers && !read_body)
 622                 return result;
 623
 624         file = procmsg_get_message_file(info);
 625         if (file == NULL)
 626                 return FALSE;
 627
 628         if ((fp = fopen(file, "r")) == NULL) {
 629                 FILE_OP_ERROR(file, "fopen");
 630                 g_free(file);
 631                 return result;
 632         }
 633
 634         /* read the headers */
 635
 636         if (read_headers) {
 637                 if (matcherlist_match_headers(matchers, fp))
 638                         read_body = FALSE;
 639         }
 640         else {
 641                 matcherlist_skip_headers(fp);
 642         }
 643
 644         /* read the body */
 645         if (read_body) {
 646                 matcherlist_match_body(matchers, fp);
 647         }
 648
 649         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 650                 MatcherProp * matcher = (MatcherProp *) l->data;
 651
 652                 if (matcherprop_criteria_headers(matcher) ||
 653                     matcherprop_criteria_body(matcher)    ||
 654                     matcherprop_criteria_message(matcher)) {
 655                         if (matcher->result) {
 656                                 if (!matchers->bool_and) {
 657                                         result = TRUE;
 658                                         break;
 659                                 }
 660                         }
 661                         else {
 662                                 if (matchers->bool_and) {
 663                                         result = FALSE;
 664                                         break;
 665                                 }
 666                         }
 667                 }
 668         }
 669
 670         g_free(file);
 671
 672         fclose(fp);
 673
 674         return result;
 675 }
 676
 677 /* test a list of condition */
 678
 679 gboolean matcherlist_match(MatcherList * matchers, MsgInfo * info)
 680 {
 681         GSList * l;
 682         gboolean result;
 683
 684         if (matchers->bool_and)
 685                 result = TRUE;
 686         else
 687                 result = FALSE;
 688
 689         /* test the cached elements */
 690
 691         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 692                 MatcherProp * matcher = (MatcherProp *) l->data;
 693
 694                 switch(matcher->criteria) {
 695                 case MATCHCRITERIA_ALL:
 696                 case MATCHCRITERIA_UNREAD:
 697                 case MATCHCRITERIA_NOT_UNREAD:
 698                 case MATCHCRITERIA_NEW:
 699                 case MATCHCRITERIA_NOT_NEW:
 700                 case MATCHCRITERIA_MARKED:
 701                 case MATCHCRITERIA_NOT_MARKED:
 702                 case MATCHCRITERIA_DELETED:
 703                 case MATCHCRITERIA_NOT_DELETED:
 704                 case MATCHCRITERIA_REPLIED:
 705                 case MATCHCRITERIA_NOT_REPLIED:
 706                 case MATCHCRITERIA_FORWARDED:
 707                 case MATCHCRITERIA_NOT_FORWARDED:
 708                 case MATCHCRITERIA_SUBJECT:
 709                 case MATCHCRITERIA_NOT_SUBJECT:
 710                 case MATCHCRITERIA_FROM:
 711                 case MATCHCRITERIA_NOT_FROM:
 712                 case MATCHCRITERIA_TO:
 713                 case MATCHCRITERIA_NOT_TO:
 714                 case MATCHCRITERIA_CC:
 715                 case MATCHCRITERIA_NOT_CC:
 716                 case MATCHCRITERIA_TO_OR_CC:
 717                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 718                 case MATCHCRITERIA_AGE_GREATER:
 719                 case MATCHCRITERIA_AGE_LOWER:
 720                 case MATCHCRITERIA_NEWSGROUPS:
 721                 case MATCHCRITERIA_NOT_NEWSGROUPS:
 722                 case MATCHCRITERIA_INREPLYTO:
 723                 case MATCHCRITERIA_NOT_INREPLYTO:
 724                 case MATCHCRITERIA_REFERENCES:
 725                 case MATCHCRITERIA_NOT_REFERENCES:
 726                 case MATCHCRITERIA_SCORE_GREATER:
 727                 case MATCHCRITERIA_SCORE_LOWER:
 728                 case MATCHCRITERIA_SCORE_EQUAL:
 729                 case MATCHCRITERIA_EXECUTE:
 730                 case MATCHCRITERIA_NOT_EXECUTE:
 731                         if (matcherprop_match(matcher, info)) {
 732                                 if (!matchers->bool_and) {
 733                                         return TRUE;
 734                                 }
 735                         }
 736                         else {
 737                                 if (matchers->bool_and) {
 738                                         return FALSE;
 739                                 }
 740                         }
 741                 }
 742         }
 743
 744         /* test the condition on the file */
 745
 746         if (matcherlist_match_file(matchers, info, result)) {
 747                 if (!matchers->bool_and)
 748                         return TRUE;
 749         }
 750         else {
 751                 if (matchers->bool_and)
 752                         return FALSE;
 753         }
 754
 755         return result;
 756 }
 757
 758
 759 gchar * matcherprop_to_string(MatcherProp * matcher)
 760 {
 761         gchar * matcher_str = NULL;
 762         gchar * criteria_str;
 763         gchar * matchtype_str;
 764         int i;
 765         gchar * p;
 766         gint count;
 767         gchar * expr_str;
 768         gchar * out;
 769
 770         criteria_str = NULL;
 771         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 772             i++) {
 773                 if (matchparser_tab[i].id == matcher->criteria)
 774                         criteria_str = matchparser_tab[i].str;
 775         }
 776         if (criteria_str == NULL)
 777                 return NULL;
 778
 779         switch(matcher->criteria) {
 780         case MATCHCRITERIA_AGE_GREATER:
 781         case MATCHCRITERIA_AGE_LOWER:
 782         case MATCHCRITERIA_SCORE_GREATER:
 783         case MATCHCRITERIA_SCORE_LOWER:
 784         case MATCHCRITERIA_SCORE_EQUAL:
 785                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
 786                 break;
 787         case MATCHCRITERIA_ALL:
 788         case MATCHCRITERIA_UNREAD:
 789         case MATCHCRITERIA_NOT_UNREAD:
 790         case MATCHCRITERIA_NEW:
 791         case MATCHCRITERIA_NOT_NEW:
 792         case MATCHCRITERIA_MARKED:
 793         case MATCHCRITERIA_NOT_MARKED:
 794         case MATCHCRITERIA_DELETED:
 795         case MATCHCRITERIA_NOT_DELETED:
 796         case MATCHCRITERIA_REPLIED:
 797         case MATCHCRITERIA_NOT_REPLIED:
 798         case MATCHCRITERIA_FORWARDED:
 799         case MATCHCRITERIA_NOT_FORWARDED:
 800                 return g_strdup(criteria_str);
 801         }
 802
 803         matchtype_str = NULL;
 804         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 805             i++) {
 806                 if (matchparser_tab[i].id == matcher->matchtype)
 807                         matchtype_str = matchparser_tab[i].str;
 808         }
 809
 810         if (matchtype_str == NULL)
 811                 return NULL;
 812
 813         switch (matcher->matchtype) {
 814         case MATCHTYPE_MATCH:
 815         case MATCHTYPE_MATCHCASE:
 816         case MATCHTYPE_REGEXP:
 817         case MATCHTYPE_REGEXPCASE:
 818                 if (matcher->header)
 819                         matcher_str =
 820                                 g_strdup_printf("%s \"%s\" %s \"%s\"",
 821                                            criteria_str, matcher->header,
 822                                            matchtype_str, matcher->expr);
 823                 else
 824                         matcher_str =
 825                                 g_strdup_printf("%s %s \"%s\"", criteria_str,
 826                                                 matchtype_str, matcher->expr);
 827                 break;
 828         }
 829
 830         return matcher_str;
 831 }
 832
 833 gchar * matcherlist_to_string(MatcherList * matchers)
 834 {
 835         gint count;
 836         gchar ** vstr;
 837         GSList * l;
 838         gchar ** cur_str;
 839         gchar * result;
 840
 841         count = g_slist_length(matchers->matchers);
 842         vstr = g_new(gchar *, count + 1);
 843
 844         for (l = matchers->matchers, cur_str = vstr ; l != NULL ;
 845              l = g_slist_next(l), cur_str ++) {
 846                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
 847                 if (*cur_str == NULL)
 848                         break;
 849         }
 850         *cur_str = NULL;
 851
 852         if (matchers->bool_and)
 853                 result = g_strjoinv(" & ", vstr);
 854         else
 855                 result = g_strjoinv(" | ", vstr);
 856
 857         for(cur_str = vstr ; *cur_str != NULL ; cur_str ++)
 858                 g_free(*cur_str);
 859         g_free(vstr);
 860
 861         return result;
 862 }
 863
 864 /* matching_build_command() - preferably cmd should be unescaped */
 865 gchar * matching_build_command(gchar * cmd, MsgInfo * info)
 866 {
 867         gchar * s = cmd;
 868         gchar * filename = NULL;
 869         gchar * processed_cmd;
 870         gchar * p;
 871         gint size;
 872
 873         size = strlen(cmd) + 1;
 874         while (*s != '\0') {
 875                 if (*s == '%') {
 876                         s++;
 877                         switch (*s) {
 878                         case '%':
 879                                 size -= 1;
 880                                 break;
 881                         case 's': /* subject */
 882                                 size += strlen(info->subject) - 2;
 883                                 break;
 884                         case 'f': /* from */
 885                                 size += strlen(info->from) - 2;
 886                                 break;
 887                         case 't': /* to */
 888                                 size += strlen(info->to) - 2;
 889                                 break;
 890                         case 'c': /* cc */
 891                                 size += strlen(info->cc) - 2;
 892                                 break;
 893                         case 'd': /* date */
 894                                 size += strlen(info->date) - 2;
 895                                 break;
 896                         case 'i': /* message-id */
 897                                 size += strlen(info->msgid) - 2;
 898                                 break;
 899                         case 'n': /* newsgroups */
 900                                 size += strlen(info->newsgroups) - 2;
 901                                 break;
 902                         case 'r': /* references */
 903                                 size += strlen(info->references) - 2;
 904                                 break;
 905                         case 'F': /* file */
 906                                 filename = folder_item_fetch_msg(info->folder,
 907                                                                  info->msgnum);
 908
 909                                 if (filename == NULL) {
 910                                         g_warning(_("filename is not set"));
 911                                         return NULL;
 912                                 }
 913                                 else
 914                                         size += strlen(filename) - 2;
 915                                 break;
 916                         }
 917                         s++;
 918                 }
 919                 else s++;
 920         }
 921
 922
 923         processed_cmd = g_new0(gchar, size);
 924         s = cmd;
 925         p = processed_cmd;
 926
 927         while (*s != '\0') {
 928                 if (*s == '%') {
 929                         s++;
 930                         switch (*s) {
 931                         case '%':
 932                                 *p = '%';
 933                                 p++;
 934                                 break;
 935                         case 's': /* subject */
 936                                 if (info->subject != NULL)
 937                                         strcpy(p, info->subject);
 938                                 else
 939                                         strcpy(p, _("(none)"));
 940                                 p += strlen(p);
 941                                 break;
 942                         case 'f': /* from */
 943                                 if (info->from != NULL)
 944                                         strcpy(p, info->from);
 945                                 else
 946                                         strcpy(p, _("(none)"));
 947                                 p += strlen(p);
 948                                 break;
 949                         case 't': /* to */
 950                                 if (info->to != NULL)
 951                                         strcpy(p, info->to);
 952                                 else
 953                                         strcpy(p, _("(none)"));
 954                                 p += strlen(p);
 955                                 break;
 956                         case 'c': /* cc */
 957                                 if (info->cc != NULL)
 958                                         strcpy(p, info->cc);
 959                                 else
 960                                         strcpy(p, _("(none)"));
 961                                 p += strlen(p);
 962                                 break;
 963                         case 'd': /* date */
 964                                 if (info->date != NULL)
 965                                         strcpy(p, info->date);
 966                                 else
 967                                         strcpy(p, _("(none)"));
 968                                 p += strlen(p);
 969                                 break;
 970                         case 'i': /* message-id */
 971                                 if (info->msgid != NULL)
 972                                         strcpy(p, info->msgid);
 973                                 else
 974                                         strcpy(p, _("(none)"));
 975                                 p += strlen(p);
 976                                 break;
 977                         case 'n': /* newsgroups */
 978                                 if (info->newsgroups != NULL)
 979                                         strcpy(p, info->newsgroups);
 980                                 else
 981                                         strcpy(p, _("(none)"));
 982                                 p += strlen(p);
 983                                 break;
 984                         case 'r': /* references */
 985                                 if (info->references != NULL)
 986                                         strcpy(p, info->references);
 987                                 else
 988                                         strcpy(p, _("(none)"));
 989                                 p += strlen(p);
 990                                 break;
 991                         case 'F': /* file */
 992                                 strcpy(p, filename);
 993                                 p += strlen(p);
 994                                 break;
 995                         default:
 996                                 *p = '%';
 997                                 p++;
 998                                 *p = *s;
 999                                 p++;
1000                                 break;
1001                         }
1002                         s++;
1003                 }
1004                 else {
1005                         *p = *s;
1006                         p++;
1007                         s++;
1008                 }
1009         }
1010
1011         debug_print("*** exec string \"%s\"\n", processed_cmd);
1012         return processed_cmd;
1013 }
1014
1015 /* ************************************************************ */
1016
1017 static void prefs_scoring_write(FILE * fp, GSList * prefs_scoring)
1018 {
1019         GSList * cur;
1020
1021         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1022                 gchar *scoring_str;
1023                 ScoringProp * prop;
1024
1025                 prop = (ScoringProp *) cur->data;
1026                 scoring_str = scoringprop_to_string(prop);
1027                 if (fputs(scoring_str, fp) == EOF ||
1028                     fputc('\n', fp) == EOF) {
1029                         FILE_OP_ERROR("scoring config", "fputs || fputc");
1030                         g_free(scoring_str);
1031                         return;
1032                 }
1033                 g_free(scoring_str);
1034         }
1035 }
1036
1037 static void prefs_filtering_write(FILE * fp, GSList * prefs_scoring)
1038 {
1039         GSList * cur;
1040
1041         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1042                 gchar *filtering_str;
1043                 FilteringProp * prop;
1044
1045                 prop = (FilteringProp *) cur->data;
1046                 filtering_str = filteringprop_to_string(prop);
1047
1048                 if (fputs(filtering_str, fp) == EOF ||
1049                     fputc('\n', fp) == EOF) {
1050                         FILE_OP_ERROR("filtering config", "fputs || fputc");
1051                         g_free(filtering_str);
1052                         return;
1053                 }
1054                 g_free(filtering_str);
1055         }
1056 }
1057
1058 static gboolean prefs_matcher_write_func(GNode *node, gpointer data)
1059 {
1060         FolderItem *item;
1061         FILE * fp = data;
1062         gchar * id;
1063         GSList * prefs_scoring;
1064         GSList * prefs_filtering;
1065
1066         if (node != NULL) {
1067                 item = node->data;
1068                 /* prevent from the warning */
1069                 if (item->path == NULL)
1070                         return FALSE;
1071                 id = folder_item_get_identifier(item);
1072                 if (id == NULL)
1073                         return FALSE;
1074                 prefs_scoring = item->prefs->scoring;
1075                 prefs_filtering = item->prefs->processing;
1076         }
1077         else {
1078                 item = NULL;
1079                 id = g_strdup("global"); /* because it is g_freed */
1080                 prefs_scoring = global_scoring;
1081                 prefs_filtering = global_processing;
1082         }
1083
1084         if (prefs_filtering != NULL || prefs_scoring != NULL) {
1085                 fprintf(fp, "[%s]\n", id);
1086
1087                 prefs_filtering_write(fp, prefs_filtering);
1088                 prefs_scoring_write(fp, prefs_scoring);
1089
1090                 fputc('\n', fp);
1091         }
1092
1093         g_free(id);
1094
1095         return FALSE;
1096 }
1097
1098 static void prefs_matcher_save(FILE * fp)
1099 {
1100         GList * cur;
1101
1102         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
1103                 Folder *folder;
1104
1105                 folder = (Folder *) cur->data;
1106                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1107                                 prefs_matcher_write_func, fp);
1108         }
1109         prefs_matcher_write_func(NULL, fp);
1110 }
1111
1112
1113 void prefs_matcher_write_config(void)
1114 {
1115         gchar *rcpath;
1116         PrefFile *pfile;
1117         GSList *cur;
1118         ScoringProp * prop;
1119
1120         debug_print(_("Writing matcher configuration...\n"));
1121
1122         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1123                              MATCHER_RC, NULL);
1124
1125         if ((pfile = prefs_write_open(rcpath)) == NULL) {
1126                 g_warning(_("failed to write configuration to file\n"));
1127                 g_free(rcpath);
1128                 return;
1129         }
1130
1131
1132         prefs_matcher_save(pfile->fp);
1133
1134         g_free(rcpath);
1135
1136         if (prefs_write_close(pfile) < 0) {
1137                 g_warning(_("failed to write configuration to file\n"));
1138                 return;
1139         }
1140 }
1141
1142 /* ******************************************************************* */
1143
1144 void prefs_matcher_read_config(void)
1145 {
1146         gchar * rcpath;
1147         FILE * f;
1148
1149         prefs_scoring_clear();
1150         prefs_filtering_clear();
1151
1152         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
1153         f = fopen(rcpath, "r");
1154         g_free(rcpath);
1155
1156         if (f != NULL)
1157                 matcher_parser_start_parsing(f);
1158         else {
1159                 /* previous version compatibily */
1160
1161                 printf("reading filtering\n");
1162                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1163                                      FILTERING_RC, NULL);
1164                 f = fopen(rcpath, "r");
1165                 g_free(rcpath);
1166
1167                 if (f != NULL) {
1168                         matcher_parser_start_parsing(f);
1169                         fclose(matcher_parserin);
1170                 }
1171
1172                 printf("reading scoring\n");
1173                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1174                                      SCORING_RC, NULL);
1175                 f = fopen(rcpath, "r");
1176                 g_free(rcpath);
1177
1178                 if (f != NULL) {
1179                         matcher_parser_start_parsing(f);
1180                         fclose(matcher_parserin);
1181                 }
1182         }
1183 }