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         {MATCHCRITERIA_SIZE_GREATER, "size_greater"},
  60         {MATCHCRITERIA_SIZE_SMALLER, "size_smaller"},
  61         {MATCHCRITERIA_SIZE_EQUAL,   "size_equal"},
  62
  63         /* content have to be read */
  64         {MATCHCRITERIA_HEADER, "header"},
  65         {MATCHCRITERIA_NOT_HEADER, "~header"},
  66         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
  67         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
  68         {MATCHCRITERIA_MESSAGE, "message"},
  69         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
  70         {MATCHCRITERIA_BODY_PART, "body_part"},
  71         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
  72         {MATCHCRITERIA_EXECUTE, "execute"},
  73         {MATCHCRITERIA_NOT_EXECUTE, "~execute"},
  74
  75         /* match type */
  76         {MATCHTYPE_MATCHCASE, "matchcase"},
  77         {MATCHTYPE_MATCH, "match"},
  78         {MATCHTYPE_REGEXPCASE, "regexpcase"},
  79         {MATCHTYPE_REGEXP, "regexp"},
  80
  81         /* actions */
  82         {MATCHACTION_SCORE, "score"},
  83         {MATCHACTION_MOVE, "move"},
  84         {MATCHACTION_COPY, "copy"},
  85         {MATCHACTION_DELETE, "delete"},
  86         {MATCHACTION_MARK, "mark"},
  87         {MATCHACTION_UNMARK, "unmark"},
  88         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
  89         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
  90         {MATCHACTION_FORWARD, "forward"},
  91         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
  92         {MATCHACTION_EXECUTE, "execute"},
  93         {MATCHACTION_COLOR, "color"},
  94         {MATCHACTION_BOUNCE, "bounce"},
  95         {MATCHACTION_DELETE_ON_SERVER, "delete_on_server"}
  96 };
  97
  98 /* get_matchparser_tab_str() - used by filtering.c to translate
  99  * actions to debug strings */
 100 gchar * get_matchparser_tab_str(gint id)
 101 {
 102         gint i;
 103
 104         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 105             i++) {
 106                 if (matchparser_tab[i].id == id)
 107                         return matchparser_tab[i].str;
 108         }
 109         return NULL;
 110 }
 111
 112 /* matcher_escape_str() - escapes a string returns newly allocated escaped string */
 113 gchar *matcher_escape_str(const gchar *str)
 114 {
 115         register const gchar *walk;
 116         register int escape;
 117         gchar *res;
 118         register char *reswalk;
 119
 120         if (str == NULL)
 121                 return NULL;
 122
 123         for (escape = 0, walk = str; *walk; walk++)
 124                 if (*walk == '\'' || *walk == '\"')
 125                         escape++;
 126
 127         if (!escape)
 128                 return g_strdup(str);
 129
 130         reswalk = res = g_new0(gchar, (walk - str) + escape + 1);
 131         for (walk = str; *walk; walk++, reswalk++) {
 132                 if (*walk == '\'' || *walk == '\"')
 133                         *reswalk++ = '\\';
 134                 *reswalk = *walk;
 135         }
 136
 137         *reswalk = 0;
 138         return res;
 139 }
 140
 141 /* matcher_unescape_str() - assumes that unescaping frees up room
 142  * in the string, so it returns the unescaped string in the
 143  * source */
 144 gchar *matcher_unescape_str(gchar *str)
 145 {
 146         gchar *tmp = alloca(strlen(str) + 1);
 147         register gchar *src = tmp;
 148         register gchar *dst = str;
 149
 150         strcpy(tmp, str);
 151
 152         for ( ; *src; src++) {
 153                 if (*src != '\\')
 154                         *dst++ = *src;
 155                 else {
 156                         src++;
 157                         if (*src == '\\')
 158                                 *dst++ = '\\';                          /* insert backslash */
 159                         else if (*src == 'n')                           /* insert control characters */
 160                                 *dst++ = '\n';
 161                         else if (*src == 'r')
 162                                 *dst++ = '\r';
 163                         else if (*src == 't')
 164                                 *dst++ = '\t';
 165                         else if (*src == 'r')
 166                                 *dst++ = '\r';
 167                         else if (*src == 'b')
 168                                 *dst++ = '\b';
 169                         else if (*src == 'f')
 170                                 *dst++ = '\f';
 171                         else if (*src == '\'' || *src == '\"')          /* insert \' or \" */
 172                                 *dst++ = *src;
 173                         else {
 174                                 /* FIXME: should perhaps escape character... */
 175                                 src--;
 176                                 *dst++ = *src;
 177                         }
 178                 }
 179         }
 180         *dst = 0;
 181         return str;
 182 }
 183
 184 /* **************** data structure allocation **************** */
 185
 186 /* matcherprop_new() - allocates a structure for one condition
 187  */
 188 MatcherProp * matcherprop_new(gint criteria, gchar * header,
 189                               gint matchtype, gchar * expr,
 190                               int value)
 191 {
 192         MatcherProp * prop;
 193
 194         prop = g_new0(MatcherProp, 1);
 195         prop->criteria = criteria;
 196         if (header != NULL) {
 197                 prop->header       = g_strdup(header);
 198                 prop->unesc_header = matcher_unescape_str(g_strdup(header));
 199         }
 200         else {
 201                 prop->header       = NULL;
 202                 prop->unesc_header = NULL;
 203         }
 204         if (expr != NULL) {
 205                 prop->expr       = g_strdup(expr);
 206                 prop->unesc_expr = matcher_unescape_str(g_strdup(expr));
 207         }
 208         else {
 209                 prop->expr       = NULL;
 210                 prop->unesc_expr = NULL;
 211         }
 212         prop->matchtype = matchtype;
 213         prop->preg = NULL;
 214         prop->value = value;
 215         prop->error = 0;
 216
 217         return prop;
 218 }
 219
 220 /* matcherprop_free()
 221  */
 222 void matcherprop_free(MatcherProp * prop)
 223 {
 224         if (prop->expr)
 225                 g_free(prop->expr);
 226         if (prop->unesc_expr)
 227                 g_free(prop->unesc_expr);
 228         if (prop->header)
 229                 g_free(prop->header);
 230         if (prop->unesc_header)
 231                 g_free(prop->unesc_header);
 232         if (prop->preg != NULL) {
 233                 regfree(prop->preg);
 234                 g_free(prop->preg);
 235         }
 236         g_free(prop);
 237 }
 238
 239
 240 /* ************** match ******************************/
 241
 242
 243 /* matcherprop_string_match() - finds out if a string matches
 244  * with a criterium */
 245 static gboolean matcherprop_string_match(MatcherProp * prop, gchar * str)
 246 {
 247         gchar * str1;
 248         gchar * str2;
 249
 250         if (str == NULL)
 251                 return FALSE;
 252
 253         switch(prop->matchtype) {
 254         case MATCHTYPE_REGEXPCASE:
 255         case MATCHTYPE_REGEXP:
 256                 if (!prop->preg && (prop->error == 0)) {
 257                         prop->preg = g_new0(regex_t, 1);
 258                         /* if regexp then don't use the escaped string */
 259                         if (regcomp(prop->preg, prop->expr,
 260                                     REG_NOSUB | REG_EXTENDED
 261                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 262                                     ? REG_ICASE : 0)) != 0) {
 263                                 prop->error = 1;
 264                                 g_free(prop->preg);
 265                         }
 266                 }
 267                 if (prop->preg == NULL)
 268                         return FALSE;
 269
 270                 if (regexec(prop->preg, str, 0, NULL, 0) == 0)
 271                         return TRUE;
 272                 else
 273                         return FALSE;
 274
 275         case MATCHTYPE_MATCH:
 276                 return (strstr(str, prop->unesc_expr) != NULL);
 277
 278         /* FIXME: put upper in unesc_str */
 279         case MATCHTYPE_MATCHCASE:
 280                 str2 = alloca(strlen(prop->unesc_expr) + 1);
 281                 strcpy(str2, prop->unesc_expr);
 282                 g_strup(str2);
 283                 str1 = alloca(strlen(str) + 1);
 284                 strcpy(str1, str);
 285                 g_strup(str1);
 286                 return (strstr(str1, str2) != NULL);
 287
 288         default:
 289                 return FALSE;
 290         }
 291 }
 292
 293 gboolean matcherprop_match_execute(MatcherProp * prop, MsgInfo * info)
 294 {
 295         gchar * file;
 296         gchar * cmd;
 297
 298         file = procmsg_get_message_file(info);
 299         if (file == NULL)
 300                 return FALSE;
 301
 302         cmd = matching_build_command(prop->unesc_expr, info);
 303         if (cmd == NULL)
 304                 return FALSE;
 305
 306         return (system(cmd) == 0);
 307 }
 308
 309 /* match a message and his headers, hlist can be NULL if you don't
 310    want to use headers */
 311
 312 gboolean matcherprop_match(MatcherProp * prop, MsgInfo * info)
 313 {
 314         time_t t;
 315
 316         switch(prop->criteria) {
 317         case MATCHCRITERIA_ALL:
 318                 return 1;
 319         case MATCHCRITERIA_UNREAD:
 320                 return MSG_IS_UNREAD(info->flags);
 321         case MATCHCRITERIA_NOT_UNREAD:
 322                 return !MSG_IS_UNREAD(info->flags);
 323         case MATCHCRITERIA_NEW:
 324                 return MSG_IS_NEW(info->flags);
 325         case MATCHCRITERIA_NOT_NEW:
 326                 return !MSG_IS_NEW(info->flags);
 327         case MATCHCRITERIA_MARKED:
 328                 return MSG_IS_MARKED(info->flags);
 329         case MATCHCRITERIA_NOT_MARKED:
 330                 return !MSG_IS_MARKED(info->flags);
 331         case MATCHCRITERIA_DELETED:
 332                 return MSG_IS_DELETED(info->flags);
 333         case MATCHCRITERIA_NOT_DELETED:
 334                 return !MSG_IS_DELETED(info->flags);
 335         case MATCHCRITERIA_REPLIED:
 336                 return MSG_IS_REPLIED(info->flags);
 337         case MATCHCRITERIA_NOT_REPLIED:
 338                 return !MSG_IS_REPLIED(info->flags);
 339         case MATCHCRITERIA_FORWARDED:
 340                 return MSG_IS_FORWARDED(info->flags);
 341         case MATCHCRITERIA_NOT_FORWARDED:
 342                 return !MSG_IS_FORWARDED(info->flags);
 343         case MATCHCRITERIA_SUBJECT:
 344                 return matcherprop_string_match(prop, info->subject);
 345         case MATCHCRITERIA_NOT_SUBJECT:
 346                 return !matcherprop_string_match(prop, info->subject);
 347         case MATCHCRITERIA_FROM:
 348                 return matcherprop_string_match(prop, info->from);
 349         case MATCHCRITERIA_NOT_FROM:
 350                 return !matcherprop_string_match(prop, info->from);
 351         case MATCHCRITERIA_TO:
 352                 return matcherprop_string_match(prop, info->to);
 353         case MATCHCRITERIA_NOT_TO:
 354                 return !matcherprop_string_match(prop, info->to);
 355         case MATCHCRITERIA_CC:
 356                 return matcherprop_string_match(prop, info->cc);
 357         case MATCHCRITERIA_NOT_CC:
 358                 return !matcherprop_string_match(prop, info->cc);
 359         case MATCHCRITERIA_TO_OR_CC:
 360                 return matcherprop_string_match(prop, info->to)
 361                         || matcherprop_string_match(prop, info->cc);
 362         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 363                 return !(matcherprop_string_match(prop, info->to)
 364                 || matcherprop_string_match(prop, info->cc));
 365         case MATCHCRITERIA_AGE_GREATER:
 366                 t = time(NULL);
 367                 return ((t - info->date_t) / (60 * 60 * 24)) >= prop->value;
 368         case MATCHCRITERIA_AGE_LOWER:
 369                 t = time(NULL);
 370                 return ((t - info->date_t) / (60 * 60 * 24)) <= prop->value;
 371         case MATCHCRITERIA_SCORE_GREATER:
 372                 return info->score >= prop->value;
 373         case MATCHCRITERIA_SCORE_LOWER:
 374                 return info->score <= prop->value;
 375         case MATCHCRITERIA_SCORE_EQUAL:
 376                 return info->score == prop->value;
 377         case MATCHCRITERIA_SIZE_GREATER:
 378                 /* FIXME: info->size is an off_t */
 379                 return info->size > (off_t) prop->value;
 380         case MATCHCRITERIA_SIZE_EQUAL:
 381                 /* FIXME: info->size is an off_t */
 382                 return info->size == (off_t) prop->value;
 383         case MATCHCRITERIA_SIZE_SMALLER:
 384                 /* FIXME: info->size is an off_t */
 385                 return info->size <  (off_t) prop->value;
 386         case MATCHCRITERIA_NEWSGROUPS:
 387                 return matcherprop_string_match(prop, info->newsgroups);
 388         case MATCHCRITERIA_NOT_NEWSGROUPS:
 389                 return !matcherprop_string_match(prop, info->newsgroups);
 390         case MATCHCRITERIA_INREPLYTO:
 391                 return matcherprop_string_match(prop, info->inreplyto);
 392         case MATCHCRITERIA_NOT_INREPLYTO:
 393                 return !matcherprop_string_match(prop, info->inreplyto);
 394         case MATCHCRITERIA_REFERENCES:
 395                 return matcherprop_string_match(prop, info->references);
 396         case MATCHCRITERIA_NOT_REFERENCES:
 397                 return !matcherprop_string_match(prop, info->references);
 398         case MATCHCRITERIA_EXECUTE:
 399                 return matcherprop_match_execute(prop, info);
 400         case MATCHCRITERIA_NOT_EXECUTE:
 401                 return !matcherprop_match_execute(prop, info);
 402         default:
 403                 return 0;
 404         }
 405 }
 406
 407 /* ********************* MatcherList *************************** */
 408
 409
 410 MatcherList * matcherlist_new(GSList * matchers, gboolean bool_and)
 411 {
 412         MatcherList * cond;
 413
 414         cond = g_new0(MatcherList, 1);
 415
 416         cond->matchers = matchers;
 417         cond->bool_and = bool_and;
 418
 419         return cond;
 420 }
 421
 422 void matcherlist_free(MatcherList * cond)
 423 {
 424         GSList * l;
 425
 426         for(l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
 427                 matcherprop_free((MatcherProp *) l->data);
 428         }
 429         g_free(cond);
 430 }
 431
 432 /*
 433   skip the headers
 434  */
 435
 436 static void matcherlist_skip_headers(FILE *fp)
 437 {
 438         gchar buf[BUFFSIZE];
 439
 440         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
 441         }
 442 }
 443
 444 /*
 445   matcherprop_match_one_header
 446   returns TRUE if buf matchs the MatchersProp criteria
 447  */
 448
 449 static gboolean matcherprop_match_one_header(MatcherProp * matcher,
 450                                              gchar * buf)
 451 {
 452         gboolean result;
 453         Header *header;
 454
 455         switch(matcher->criteria) {
 456         case MATCHCRITERIA_HEADER:
 457         case MATCHCRITERIA_NOT_HEADER:
 458                 header = procheader_parse_header(buf);
 459                 if (!header)
 460                         return FALSE;
 461                 if (procheader_headername_equal(header->name,
 462                                                 matcher->header)) {
 463                         if (matcher->criteria == MATCHCRITERIA_HEADER)
 464                                 result = matcherprop_string_match(matcher, header->body);
 465                         else
 466                                 result = !matcherprop_string_match(matcher, header->body);
 467                         procheader_header_free(header);
 468                         return result;
 469                 }
 470                 else {
 471                         procheader_header_free(header);
 472                 }
 473                 break;
 474         case MATCHCRITERIA_HEADERS_PART:
 475         case MATCHCRITERIA_MESSAGE:
 476                 return matcherprop_string_match(matcher, buf);
 477         case MATCHCRITERIA_NOT_MESSAGE:
 478         case MATCHCRITERIA_NOT_HEADERS_PART:
 479                 return !matcherprop_string_match(matcher, buf);
 480         }
 481         return FALSE;
 482 }
 483
 484 /*
 485   matcherprop_criteria_header
 486   returns TRUE if the headers must be matched
 487  */
 488
 489 static gboolean matcherprop_criteria_headers(MatcherProp * matcher)
 490 {
 491         switch(matcher->criteria) {
 492         case MATCHCRITERIA_HEADER:
 493         case MATCHCRITERIA_NOT_HEADER:
 494         case MATCHCRITERIA_HEADERS_PART:
 495         case MATCHCRITERIA_NOT_HEADERS_PART:
 496                 return TRUE;
 497         default:
 498                 return FALSE;
 499         }
 500 }
 501
 502 static gboolean matcherprop_criteria_message(MatcherProp * matcher)
 503 {
 504         switch(matcher->criteria) {
 505         case MATCHCRITERIA_MESSAGE:
 506         case MATCHCRITERIA_NOT_MESSAGE:
 507                 return TRUE;
 508         default:
 509                 return FALSE;
 510         }
 511 }
 512
 513 /*
 514   matcherlist_match_one_header
 515   returns TRUE if match should stop
 516  */
 517
 518 static gboolean matcherlist_match_one_header(MatcherList * matchers,
 519                                          gchar * buf)
 520 {
 521         GSList * l;
 522
 523         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 524                 MatcherProp * matcher = (MatcherProp *) l->data;
 525
 526                 if (matcherprop_criteria_headers(matcher) ||
 527                     matcherprop_criteria_message(matcher)) {
 528                         if (matcherprop_match_one_header(matcher, buf)) {
 529                                 matcher->result = TRUE;
 530                         }
 531                 }
 532
 533                 if (matcherprop_criteria_headers(matcher)) {
 534                         if (matcher->result) {
 535                                 if (!matchers->bool_and)
 536                                         return TRUE;
 537                         }
 538                 }
 539         }
 540
 541         return FALSE;
 542 }
 543
 544 /*
 545   matcherlist_match_headers
 546   returns TRUE if one of the headers matchs the MatcherList criteria
 547  */
 548
 549 static gboolean matcherlist_match_headers(MatcherList * matchers, FILE * fp)
 550 {
 551         gchar buf[BUFFSIZE];
 552
 553         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
 554                 if (matcherlist_match_one_header(matchers, buf))
 555                         return TRUE;
 556
 557         return FALSE;
 558 }
 559
 560 /*
 561   matcherprop_criteria_body
 562   returns TRUE if the body must be matched
 563  */
 564
 565 static gboolean matcherprop_criteria_body(MatcherProp * matcher)
 566 {
 567         switch(matcher->criteria) {
 568         case MATCHCRITERIA_BODY_PART:
 569         case MATCHCRITERIA_NOT_BODY_PART:
 570                 return TRUE;
 571         default:
 572                 return FALSE;
 573         }
 574 }
 575
 576 /*
 577   matcherprop_match_line
 578   returns TRUE if the string matchs the MatcherProp criteria
 579  */
 580
 581 static gboolean matcherprop_match_line(MatcherProp * matcher, gchar * line)
 582 {
 583         switch(matcher->criteria) {
 584         case MATCHCRITERIA_BODY_PART:
 585         case MATCHCRITERIA_MESSAGE:
 586                 return matcherprop_string_match(matcher, line);
 587         case MATCHCRITERIA_NOT_BODY_PART:
 588         case MATCHCRITERIA_NOT_MESSAGE:
 589                 return !matcherprop_string_match(matcher, line);
 590         }
 591         return FALSE;
 592 }
 593
 594 /*
 595   matcherlist_match_line
 596   returns TRUE if the string matchs the MatcherList criteria
 597  */
 598
 599 static gboolean matcherlist_match_line(MatcherList * matchers, gchar * line)
 600 {
 601         GSList * l;
 602
 603         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 604                 MatcherProp * matcher = (MatcherProp *) l->data;
 605
 606                 if (matcherprop_criteria_body(matcher) ||
 607                     matcherprop_criteria_message(matcher)) {
 608                         if (matcherprop_match_line(matcher, line)) {
 609                                 matcher->result = TRUE;
 610                         }
 611                 }
 612
 613                 if (matcher->result) {
 614                         if (!matchers->bool_and)
 615                                 return TRUE;
 616                 }
 617         }
 618         return FALSE;
 619 }
 620
 621 /*
 622   matcherlist_match_body
 623   returns TRUE if one line of the body matchs the MatcherList criteria
 624  */
 625
 626 static gboolean matcherlist_match_body(MatcherList * matchers, FILE * fp)
 627 {
 628         gchar buf[BUFFSIZE];
 629
 630         while (fgets(buf, sizeof(buf), fp) != NULL)
 631                 if (matcherlist_match_line(matchers, buf))
 632                         return TRUE;
 633
 634         return FALSE;
 635 }
 636
 637 gboolean matcherlist_match_file(MatcherList * matchers, MsgInfo * info,
 638                                 gboolean result)
 639 {
 640         gboolean read_headers;
 641         gboolean read_body;
 642         GSList * l;
 643         FILE * fp;
 644         gchar * file;
 645
 646         /* file need to be read ? */
 647
 648         read_headers = FALSE;
 649         read_body = FALSE;
 650         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 651                 MatcherProp * matcher = (MatcherProp *) l->data;
 652
 653                 if (matcherprop_criteria_headers(matcher))
 654                         read_headers = TRUE;
 655                 if (matcherprop_criteria_body(matcher))
 656                         read_body = TRUE;
 657                 if (matcherprop_criteria_message(matcher)) {
 658                         read_headers = TRUE;
 659                         read_body = TRUE;
 660                 }
 661                 matcher->result = FALSE;
 662         }
 663
 664         if (!read_headers && !read_body)
 665                 return result;
 666
 667         file = procmsg_get_message_file(info);
 668         if (file == NULL)
 669                 return FALSE;
 670
 671         if ((fp = fopen(file, "rb")) == NULL) {
 672                 FILE_OP_ERROR(file, "fopen");
 673                 g_free(file);
 674                 return result;
 675         }
 676
 677         /* read the headers */
 678
 679         if (read_headers) {
 680                 if (matcherlist_match_headers(matchers, fp))
 681                         read_body = FALSE;
 682         }
 683         else {
 684                 matcherlist_skip_headers(fp);
 685         }
 686
 687         /* read the body */
 688         if (read_body) {
 689                 matcherlist_match_body(matchers, fp);
 690         }
 691
 692         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 693                 MatcherProp * matcher = (MatcherProp *) l->data;
 694
 695                 if (matcherprop_criteria_headers(matcher) ||
 696                     matcherprop_criteria_body(matcher)    ||
 697                     matcherprop_criteria_message(matcher)) {
 698                         if (matcher->result) {
 699                                 if (!matchers->bool_and) {
 700                                         result = TRUE;
 701                                         break;
 702                                 }
 703                         }
 704                         else {
 705                                 if (matchers->bool_and) {
 706                                         result = FALSE;
 707                                         break;
 708                                 }
 709                         }
 710                 }
 711         }
 712
 713         g_free(file);
 714
 715         fclose(fp);
 716
 717         return result;
 718 }
 719
 720 /* test a list of condition */
 721
 722 gboolean matcherlist_match(MatcherList * matchers, MsgInfo * info)
 723 {
 724         GSList * l;
 725         gboolean result;
 726
 727         if (matchers->bool_and)
 728                 result = TRUE;
 729         else
 730                 result = FALSE;
 731
 732         /* test the cached elements */
 733
 734         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 735                 MatcherProp * matcher = (MatcherProp *) l->data;
 736
 737                 switch(matcher->criteria) {
 738                 case MATCHCRITERIA_ALL:
 739                 case MATCHCRITERIA_UNREAD:
 740                 case MATCHCRITERIA_NOT_UNREAD:
 741                 case MATCHCRITERIA_NEW:
 742                 case MATCHCRITERIA_NOT_NEW:
 743                 case MATCHCRITERIA_MARKED:
 744                 case MATCHCRITERIA_NOT_MARKED:
 745                 case MATCHCRITERIA_DELETED:
 746                 case MATCHCRITERIA_NOT_DELETED:
 747                 case MATCHCRITERIA_REPLIED:
 748                 case MATCHCRITERIA_NOT_REPLIED:
 749                 case MATCHCRITERIA_FORWARDED:
 750                 case MATCHCRITERIA_NOT_FORWARDED:
 751                 case MATCHCRITERIA_SUBJECT:
 752                 case MATCHCRITERIA_NOT_SUBJECT:
 753                 case MATCHCRITERIA_FROM:
 754                 case MATCHCRITERIA_NOT_FROM:
 755                 case MATCHCRITERIA_TO:
 756                 case MATCHCRITERIA_NOT_TO:
 757                 case MATCHCRITERIA_CC:
 758                 case MATCHCRITERIA_NOT_CC:
 759                 case MATCHCRITERIA_TO_OR_CC:
 760                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 761                 case MATCHCRITERIA_AGE_GREATER:
 762                 case MATCHCRITERIA_AGE_LOWER:
 763                 case MATCHCRITERIA_NEWSGROUPS:
 764                 case MATCHCRITERIA_NOT_NEWSGROUPS:
 765                 case MATCHCRITERIA_INREPLYTO:
 766                 case MATCHCRITERIA_NOT_INREPLYTO:
 767                 case MATCHCRITERIA_REFERENCES:
 768                 case MATCHCRITERIA_NOT_REFERENCES:
 769                 case MATCHCRITERIA_SCORE_GREATER:
 770                 case MATCHCRITERIA_SCORE_LOWER:
 771                 case MATCHCRITERIA_SCORE_EQUAL:
 772                 case MATCHCRITERIA_SIZE_GREATER:
 773                 case MATCHCRITERIA_SIZE_SMALLER:
 774                 case MATCHCRITERIA_SIZE_EQUAL:
 775                 case MATCHCRITERIA_EXECUTE:
 776                 case MATCHCRITERIA_NOT_EXECUTE:
 777                         if (matcherprop_match(matcher, info)) {
 778                                 if (!matchers->bool_and) {
 779                                         return TRUE;
 780                                 }
 781                         }
 782                         else {
 783                                 if (matchers->bool_and) {
 784                                         return FALSE;
 785                                 }
 786                         }
 787                 }
 788         }
 789
 790         /* test the condition on the file */
 791
 792         if (matcherlist_match_file(matchers, info, result)) {
 793                 if (!matchers->bool_and)
 794                         return TRUE;
 795         }
 796         else {
 797                 if (matchers->bool_and)
 798                         return FALSE;
 799         }
 800
 801         return result;
 802 }
 803
 804
 805 gchar * matcherprop_to_string(MatcherProp * matcher)
 806 {
 807         gchar * matcher_str = NULL;
 808         gchar * criteria_str;
 809         gchar * matchtype_str;
 810         int i;
 811         gchar * p;
 812         gint count;
 813         gchar * expr_str;
 814         gchar * out;
 815
 816         criteria_str = NULL;
 817         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 818             i++) {
 819                 if (matchparser_tab[i].id == matcher->criteria)
 820                         criteria_str = matchparser_tab[i].str;
 821         }
 822         if (criteria_str == NULL)
 823                 return NULL;
 824
 825         switch(matcher->criteria) {
 826         case MATCHCRITERIA_AGE_GREATER:
 827         case MATCHCRITERIA_AGE_LOWER:
 828         case MATCHCRITERIA_SCORE_GREATER:
 829         case MATCHCRITERIA_SCORE_LOWER:
 830         case MATCHCRITERIA_SCORE_EQUAL:
 831         case MATCHCRITERIA_SIZE_GREATER:
 832         case MATCHCRITERIA_SIZE_SMALLER:
 833         case MATCHCRITERIA_SIZE_EQUAL:
 834                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
 835         case MATCHCRITERIA_ALL:
 836         case MATCHCRITERIA_UNREAD:
 837         case MATCHCRITERIA_NOT_UNREAD:
 838         case MATCHCRITERIA_NEW:
 839         case MATCHCRITERIA_NOT_NEW:
 840         case MATCHCRITERIA_MARKED:
 841         case MATCHCRITERIA_NOT_MARKED:
 842         case MATCHCRITERIA_DELETED:
 843         case MATCHCRITERIA_NOT_DELETED:
 844         case MATCHCRITERIA_REPLIED:
 845         case MATCHCRITERIA_NOT_REPLIED:
 846         case MATCHCRITERIA_FORWARDED:
 847         case MATCHCRITERIA_NOT_FORWARDED:
 848                 return g_strdup(criteria_str);
 849         }
 850
 851         matchtype_str = NULL;
 852         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 853             i++) {
 854                 if (matchparser_tab[i].id == matcher->matchtype)
 855                         matchtype_str = matchparser_tab[i].str;
 856         }
 857
 858         if (matchtype_str == NULL)
 859                 return NULL;
 860
 861         switch (matcher->matchtype) {
 862         case MATCHTYPE_MATCH:
 863         case MATCHTYPE_MATCHCASE:
 864         case MATCHTYPE_REGEXP:
 865         case MATCHTYPE_REGEXPCASE:
 866                 if (matcher->header)
 867                         matcher_str =
 868                                 g_strdup_printf("%s \"%s\" %s \"%s\"",
 869                                            criteria_str, matcher->header,
 870                                            matchtype_str, matcher->expr);
 871                 else
 872                         matcher_str =
 873                                 g_strdup_printf("%s %s \"%s\"", criteria_str,
 874                                                 matchtype_str, matcher->expr);
 875                 break;
 876         }
 877
 878         return matcher_str;
 879 }
 880
 881 gchar * matcherlist_to_string(MatcherList * matchers)
 882 {
 883         gint count;
 884         gchar ** vstr;
 885         GSList * l;
 886         gchar ** cur_str;
 887         gchar * result;
 888
 889         count = g_slist_length(matchers->matchers);
 890         vstr = g_new(gchar *, count + 1);
 891
 892         for (l = matchers->matchers, cur_str = vstr ; l != NULL ;
 893              l = g_slist_next(l), cur_str ++) {
 894                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
 895                 if (*cur_str == NULL)
 896                         break;
 897         }
 898         *cur_str = NULL;
 899
 900         if (matchers->bool_and)
 901                 result = g_strjoinv(" & ", vstr);
 902         else
 903                 result = g_strjoinv(" | ", vstr);
 904
 905         for(cur_str = vstr ; *cur_str != NULL ; cur_str ++)
 906                 g_free(*cur_str);
 907         g_free(vstr);
 908
 909         return result;
 910 }
 911
 912 /* matching_build_command() - preferably cmd should be unescaped */
 913 gchar * matching_build_command(gchar * cmd, MsgInfo * info)
 914 {
 915         gchar * s = cmd;
 916         gchar * filename = NULL;
 917         gchar * processed_cmd;
 918         gchar * p;
 919         gint size;
 920
 921         size = strlen(cmd) + 1;
 922         while (*s != '\0') {
 923                 if (*s == '%') {
 924                         s++;
 925                         switch (*s) {
 926                         case '%':
 927                                 size -= 1;
 928                                 break;
 929                         case 's': /* subject */
 930                                 size += strlen(info->subject) - 2;
 931                                 break;
 932                         case 'f': /* from */
 933                                 size += strlen(info->from) - 2;
 934                                 break;
 935                         case 't': /* to */
 936                                 size += strlen(info->to) - 2;
 937                                 break;
 938                         case 'c': /* cc */
 939                                 size += strlen(info->cc) - 2;
 940                                 break;
 941                         case 'd': /* date */
 942                                 size += strlen(info->date) - 2;
 943                                 break;
 944                         case 'i': /* message-id */
 945                                 size += strlen(info->msgid) - 2;
 946                                 break;
 947                         case 'n': /* newsgroups */
 948                                 size += strlen(info->newsgroups) - 2;
 949                                 break;
 950                         case 'r': /* references */
 951                                 size += strlen(info->references) - 2;
 952                                 break;
 953                         case 'F': /* file */
 954                                 filename = folder_item_fetch_msg(info->folder,
 955                                                                  info->msgnum);
 956
 957                                 if (filename == NULL) {
 958                                         g_warning(_("filename is not set"));
 959                                         return NULL;
 960                                 }
 961                                 else
 962                                         size += strlen(filename) - 2;
 963                                 break;
 964                         }
 965                         s++;
 966                 }
 967                 else s++;
 968         }
 969
 970
 971         processed_cmd = g_new0(gchar, size);
 972         s = cmd;
 973         p = processed_cmd;
 974
 975         while (*s != '\0') {
 976                 if (*s == '%') {
 977                         s++;
 978                         switch (*s) {
 979                         case '%':
 980                                 *p = '%';
 981                                 p++;
 982                                 break;
 983                         case 's': /* subject */
 984                                 if (info->subject != NULL)
 985                                         strcpy(p, info->subject);
 986                                 else
 987                                         strcpy(p, _("(none)"));
 988                                 p += strlen(p);
 989                                 break;
 990                         case 'f': /* from */
 991                                 if (info->from != NULL)
 992                                         strcpy(p, info->from);
 993                                 else
 994                                         strcpy(p, _("(none)"));
 995                                 p += strlen(p);
 996                                 break;
 997                         case 't': /* to */
 998                                 if (info->to != NULL)
 999                                         strcpy(p, info->to);
1000                                 else
1001                                         strcpy(p, _("(none)"));
1002                                 p += strlen(p);
1003                                 break;
1004                         case 'c': /* cc */
1005                                 if (info->cc != NULL)
1006                                         strcpy(p, info->cc);
1007                                 else
1008                                         strcpy(p, _("(none)"));
1009                                 p += strlen(p);
1010                                 break;
1011                         case 'd': /* date */
1012                                 if (info->date != NULL)
1013                                         strcpy(p, info->date);
1014                                 else
1015                                         strcpy(p, _("(none)"));
1016                                 p += strlen(p);
1017                                 break;
1018                         case 'i': /* message-id */
1019                                 if (info->msgid != NULL)
1020                                         strcpy(p, info->msgid);
1021                                 else
1022                                         strcpy(p, _("(none)"));
1023                                 p += strlen(p);
1024                                 break;
1025                         case 'n': /* newsgroups */
1026                                 if (info->newsgroups != NULL)
1027                                         strcpy(p, info->newsgroups);
1028                                 else
1029                                         strcpy(p, _("(none)"));
1030                                 p += strlen(p);
1031                                 break;
1032                         case 'r': /* references */
1033                                 if (info->references != NULL)
1034                                         strcpy(p, info->references);
1035                                 else
1036                                         strcpy(p, _("(none)"));
1037                                 p += strlen(p);
1038                                 break;
1039                         case 'F': /* file */
1040                                 strcpy(p, filename);
1041                                 p += strlen(p);
1042                                 break;
1043                         default:
1044                                 *p = '%';
1045                                 p++;
1046                                 *p = *s;
1047                                 p++;
1048                                 break;
1049                         }
1050                         s++;
1051                 }
1052                 else {
1053                         *p = *s;
1054                         p++;
1055                         s++;
1056                 }
1057         }
1058
1059         debug_print("*** exec string \"%s\"\n", processed_cmd);
1060         return processed_cmd;
1061 }
1062
1063 /* ************************************************************ */
1064
1065 static void prefs_scoring_write(FILE * fp, GSList * prefs_scoring)
1066 {
1067         GSList * cur;
1068
1069         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1070                 gchar *scoring_str;
1071                 ScoringProp * prop;
1072
1073                 prop = (ScoringProp *) cur->data;
1074                 scoring_str = scoringprop_to_string(prop);
1075                 if (fputs(scoring_str, fp) == EOF ||
1076                     fputc('\n', fp) == EOF) {
1077                         FILE_OP_ERROR("scoring config", "fputs || fputc");
1078                         g_free(scoring_str);
1079                         return;
1080                 }
1081                 g_free(scoring_str);
1082         }
1083 }
1084
1085 static void prefs_filtering_write(FILE * fp, GSList * prefs_scoring)
1086 {
1087         GSList * cur;
1088
1089         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1090                 gchar *filtering_str;
1091                 FilteringProp * prop;
1092
1093                 if (NULL == (prop = (FilteringProp *) cur->data))
1094                         continue;
1095
1096                 if (NULL == (filtering_str = filteringprop_to_string(prop)))
1097                         continue;
1098
1099                 if (fputs(filtering_str, fp) == EOF ||
1100                     fputc('\n', fp) == EOF) {
1101                         FILE_OP_ERROR("filtering config", "fputs || fputc");
1102                         g_free(filtering_str);
1103                         return;
1104                 }
1105                 g_free(filtering_str);
1106         }
1107 }
1108
1109 static gboolean prefs_matcher_write_func(GNode *node, gpointer data)
1110 {
1111         FolderItem *item;
1112         FILE * fp = data;
1113         gchar * id;
1114         GSList * prefs_scoring;
1115         GSList * prefs_filtering;
1116
1117         if (node != NULL) {
1118                 item = node->data;
1119                 /* prevent from the warning */
1120                 if (item->path == NULL)
1121                         return FALSE;
1122                 id = folder_item_get_identifier(item);
1123                 if (id == NULL)
1124                         return FALSE;
1125                 prefs_scoring = item->prefs->scoring;
1126                 prefs_filtering = item->prefs->processing;
1127         }
1128         else {
1129                 item = NULL;
1130                 id = g_strdup("global"); /* because it is g_freed */
1131                 prefs_scoring = global_scoring;
1132                 prefs_filtering = global_processing;
1133         }
1134
1135         if (prefs_filtering != NULL || prefs_scoring != NULL) {
1136                 fprintf(fp, "[%s]\n", id);
1137
1138                 prefs_filtering_write(fp, prefs_filtering);
1139                 prefs_scoring_write(fp, prefs_scoring);
1140
1141                 fputc('\n', fp);
1142         }
1143
1144         g_free(id);
1145
1146         return FALSE;
1147 }
1148
1149 static void prefs_matcher_save(FILE * fp)
1150 {
1151         GList * cur;
1152
1153         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
1154                 Folder *folder;
1155
1156                 folder = (Folder *) cur->data;
1157                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1158                                 prefs_matcher_write_func, fp);
1159         }
1160         prefs_matcher_write_func(NULL, fp);
1161 }
1162
1163
1164 void prefs_matcher_write_config(void)
1165 {
1166         gchar *rcpath;
1167         PrefFile *pfile;
1168         GSList *cur;
1169         ScoringProp * prop;
1170
1171         debug_print(_("Writing matcher configuration...\n"));
1172
1173         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1174                              MATCHER_RC, NULL);
1175
1176         if ((pfile = prefs_write_open(rcpath)) == NULL) {
1177                 g_warning(_("failed to write configuration to file\n"));
1178                 g_free(rcpath);
1179                 return;
1180         }
1181
1182
1183         prefs_matcher_save(pfile->fp);
1184
1185         g_free(rcpath);
1186
1187         if (prefs_write_close(pfile) < 0) {
1188                 g_warning(_("failed to write configuration to file\n"));
1189                 return;
1190         }
1191 }
1192
1193 /* ******************************************************************* */
1194
1195 void prefs_matcher_read_config(void)
1196 {
1197         gchar * rcpath;
1198         FILE * f;
1199
1200         prefs_scoring_clear();
1201         prefs_filtering_clear();
1202
1203         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
1204         f = fopen(rcpath, "rb");
1205         g_free(rcpath);
1206
1207         if (f != NULL)
1208                 matcher_parser_start_parsing(f);
1209         else {
1210                 /* previous version compatibily */
1211
1212                 /* printf("reading filtering\n"); */
1213                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1214                                      FILTERING_RC, NULL);
1215                 f = fopen(rcpath, "rb");
1216                 g_free(rcpath);
1217
1218                 if (f != NULL) {
1219                         matcher_parser_start_parsing(f);
1220                         fclose(matcher_parserin);
1221                 }
1222
1223                 /* printf("reading scoring\n"); */
1224                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1225                                      SCORING_RC, NULL);
1226                 f = fopen(rcpath, "rb");
1227                 g_free(rcpath);
1228
1229                 if (f != NULL) {
1230                         matcher_parser_start_parsing(f);
1231                         fclose(matcher_parserin);
1232                 }
1233         }
1234 }