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_REDIRECT, "redirect"},
  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         gint retval;
 298
 299         file = procmsg_get_message_file(info);
 300         if (file == NULL)
 301                 return FALSE;
 302
 303         cmd = matching_build_command(prop->unesc_expr, info);
 304         if (cmd == NULL)
 305                 return FALSE;
 306
 307         retval = system(cmd);
 308         debug_print(_("Command exit code: %d\n"), retval);
 309
 310         return (retval == 0);
 311 }
 312
 313 /* match a message and his headers, hlist can be NULL if you don't
 314    want to use headers */
 315
 316 gboolean matcherprop_match(MatcherProp * prop, MsgInfo * info)
 317 {
 318         time_t t;
 319
 320         switch(prop->criteria) {
 321         case MATCHCRITERIA_ALL:
 322                 return 1;
 323         case MATCHCRITERIA_UNREAD:
 324                 return MSG_IS_UNREAD(info->flags);
 325         case MATCHCRITERIA_NOT_UNREAD:
 326                 return !MSG_IS_UNREAD(info->flags);
 327         case MATCHCRITERIA_NEW:
 328                 return MSG_IS_NEW(info->flags);
 329         case MATCHCRITERIA_NOT_NEW:
 330                 return !MSG_IS_NEW(info->flags);
 331         case MATCHCRITERIA_MARKED:
 332                 return MSG_IS_MARKED(info->flags);
 333         case MATCHCRITERIA_NOT_MARKED:
 334                 return !MSG_IS_MARKED(info->flags);
 335         case MATCHCRITERIA_DELETED:
 336                 return MSG_IS_DELETED(info->flags);
 337         case MATCHCRITERIA_NOT_DELETED:
 338                 return !MSG_IS_DELETED(info->flags);
 339         case MATCHCRITERIA_REPLIED:
 340                 return MSG_IS_REPLIED(info->flags);
 341         case MATCHCRITERIA_NOT_REPLIED:
 342                 return !MSG_IS_REPLIED(info->flags);
 343         case MATCHCRITERIA_FORWARDED:
 344                 return MSG_IS_FORWARDED(info->flags);
 345         case MATCHCRITERIA_NOT_FORWARDED:
 346                 return !MSG_IS_FORWARDED(info->flags);
 347         case MATCHCRITERIA_SUBJECT:
 348                 return matcherprop_string_match(prop, info->subject);
 349         case MATCHCRITERIA_NOT_SUBJECT:
 350                 return !matcherprop_string_match(prop, info->subject);
 351         case MATCHCRITERIA_FROM:
 352                 return matcherprop_string_match(prop, info->from);
 353         case MATCHCRITERIA_NOT_FROM:
 354                 return !matcherprop_string_match(prop, info->from);
 355         case MATCHCRITERIA_TO:
 356                 return matcherprop_string_match(prop, info->to);
 357         case MATCHCRITERIA_NOT_TO:
 358                 return !matcherprop_string_match(prop, info->to);
 359         case MATCHCRITERIA_CC:
 360                 return matcherprop_string_match(prop, info->cc);
 361         case MATCHCRITERIA_NOT_CC:
 362                 return !matcherprop_string_match(prop, info->cc);
 363         case MATCHCRITERIA_TO_OR_CC:
 364                 return matcherprop_string_match(prop, info->to)
 365                         || matcherprop_string_match(prop, info->cc);
 366         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 367                 return !(matcherprop_string_match(prop, info->to)
 368                 || matcherprop_string_match(prop, info->cc));
 369         case MATCHCRITERIA_AGE_GREATER:
 370                 t = time(NULL);
 371                 return ((t - info->date_t) / (60 * 60 * 24)) >= prop->value;
 372         case MATCHCRITERIA_AGE_LOWER:
 373                 t = time(NULL);
 374                 return ((t - info->date_t) / (60 * 60 * 24)) <= prop->value;
 375         case MATCHCRITERIA_SCORE_GREATER:
 376                 return info->score >= prop->value;
 377         case MATCHCRITERIA_SCORE_LOWER:
 378                 return info->score <= prop->value;
 379         case MATCHCRITERIA_SCORE_EQUAL:
 380                 return info->score == prop->value;
 381         case MATCHCRITERIA_SIZE_GREATER:
 382                 /* FIXME: info->size is an off_t */
 383                 return info->size > (off_t) prop->value;
 384         case MATCHCRITERIA_SIZE_EQUAL:
 385                 /* FIXME: info->size is an off_t */
 386                 return info->size == (off_t) prop->value;
 387         case MATCHCRITERIA_SIZE_SMALLER:
 388                 /* FIXME: info->size is an off_t */
 389                 return info->size <  (off_t) prop->value;
 390         case MATCHCRITERIA_NEWSGROUPS:
 391                 return matcherprop_string_match(prop, info->newsgroups);
 392         case MATCHCRITERIA_NOT_NEWSGROUPS:
 393                 return !matcherprop_string_match(prop, info->newsgroups);
 394         case MATCHCRITERIA_INREPLYTO:
 395                 return matcherprop_string_match(prop, info->inreplyto);
 396         case MATCHCRITERIA_NOT_INREPLYTO:
 397                 return !matcherprop_string_match(prop, info->inreplyto);
 398         case MATCHCRITERIA_REFERENCES:
 399                 return matcherprop_string_match(prop, info->references);
 400         case MATCHCRITERIA_NOT_REFERENCES:
 401                 return !matcherprop_string_match(prop, info->references);
 402         case MATCHCRITERIA_EXECUTE:
 403                 return matcherprop_match_execute(prop, info);
 404         case MATCHCRITERIA_NOT_EXECUTE:
 405                 return !matcherprop_match_execute(prop, info);
 406         default:
 407                 return 0;
 408         }
 409 }
 410
 411 /* ********************* MatcherList *************************** */
 412
 413
 414 MatcherList * matcherlist_new(GSList * matchers, gboolean bool_and)
 415 {
 416         MatcherList * cond;
 417
 418         cond = g_new0(MatcherList, 1);
 419
 420         cond->matchers = matchers;
 421         cond->bool_and = bool_and;
 422
 423         return cond;
 424 }
 425
 426 void matcherlist_free(MatcherList * cond)
 427 {
 428         GSList * l;
 429
 430         for(l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
 431                 matcherprop_free((MatcherProp *) l->data);
 432         }
 433         g_free(cond);
 434 }
 435
 436 /*
 437   skip the headers
 438  */
 439
 440 static void matcherlist_skip_headers(FILE *fp)
 441 {
 442         gchar buf[BUFFSIZE];
 443
 444         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
 445         }
 446 }
 447
 448 /*
 449   matcherprop_match_one_header
 450   returns TRUE if buf matchs the MatchersProp criteria
 451  */
 452
 453 static gboolean matcherprop_match_one_header(MatcherProp * matcher,
 454                                              gchar * buf)
 455 {
 456         gboolean result;
 457         Header *header;
 458
 459         switch(matcher->criteria) {
 460         case MATCHCRITERIA_HEADER:
 461         case MATCHCRITERIA_NOT_HEADER:
 462                 header = procheader_parse_header(buf);
 463                 if (!header)
 464                         return FALSE;
 465                 if (procheader_headername_equal(header->name,
 466                                                 matcher->header)) {
 467                         if (matcher->criteria == MATCHCRITERIA_HEADER)
 468                                 result = matcherprop_string_match(matcher, header->body);
 469                         else
 470                                 result = !matcherprop_string_match(matcher, header->body);
 471                         procheader_header_free(header);
 472                         return result;
 473                 }
 474                 else {
 475                         procheader_header_free(header);
 476                 }
 477                 break;
 478         case MATCHCRITERIA_HEADERS_PART:
 479         case MATCHCRITERIA_MESSAGE:
 480                 return matcherprop_string_match(matcher, buf);
 481         case MATCHCRITERIA_NOT_MESSAGE:
 482         case MATCHCRITERIA_NOT_HEADERS_PART:
 483                 return !matcherprop_string_match(matcher, buf);
 484         }
 485         return FALSE;
 486 }
 487
 488 /*
 489   matcherprop_criteria_header
 490   returns TRUE if the headers must be matched
 491  */
 492
 493 static gboolean matcherprop_criteria_headers(MatcherProp * matcher)
 494 {
 495         switch(matcher->criteria) {
 496         case MATCHCRITERIA_HEADER:
 497         case MATCHCRITERIA_NOT_HEADER:
 498         case MATCHCRITERIA_HEADERS_PART:
 499         case MATCHCRITERIA_NOT_HEADERS_PART:
 500                 return TRUE;
 501         default:
 502                 return FALSE;
 503         }
 504 }
 505
 506 static gboolean matcherprop_criteria_message(MatcherProp * matcher)
 507 {
 508         switch(matcher->criteria) {
 509         case MATCHCRITERIA_MESSAGE:
 510         case MATCHCRITERIA_NOT_MESSAGE:
 511                 return TRUE;
 512         default:
 513                 return FALSE;
 514         }
 515 }
 516
 517 /*
 518   matcherlist_match_one_header
 519   returns TRUE if match should stop
 520  */
 521
 522 static gboolean matcherlist_match_one_header(MatcherList * matchers,
 523                                          gchar * buf)
 524 {
 525         GSList * l;
 526
 527         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 528                 MatcherProp * matcher = (MatcherProp *) l->data;
 529
 530                 if (matcherprop_criteria_headers(matcher) ||
 531                     matcherprop_criteria_message(matcher)) {
 532                         if (matcherprop_match_one_header(matcher, buf)) {
 533                                 matcher->result = TRUE;
 534                         }
 535                 }
 536
 537                 if (matcherprop_criteria_headers(matcher)) {
 538                         if (matcher->result) {
 539                                 if (!matchers->bool_and)
 540                                         return TRUE;
 541                         }
 542                 }
 543         }
 544
 545         return FALSE;
 546 }
 547
 548 /*
 549   matcherlist_match_headers
 550   returns TRUE if one of the headers matchs the MatcherList criteria
 551  */
 552
 553 static gboolean matcherlist_match_headers(MatcherList * matchers, FILE * fp)
 554 {
 555         gchar buf[BUFFSIZE];
 556
 557         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
 558                 if (matcherlist_match_one_header(matchers, buf))
 559                         return TRUE;
 560
 561         return FALSE;
 562 }
 563
 564 /*
 565   matcherprop_criteria_body
 566   returns TRUE if the body must be matched
 567  */
 568
 569 static gboolean matcherprop_criteria_body(MatcherProp * matcher)
 570 {
 571         switch(matcher->criteria) {
 572         case MATCHCRITERIA_BODY_PART:
 573         case MATCHCRITERIA_NOT_BODY_PART:
 574                 return TRUE;
 575         default:
 576                 return FALSE;
 577         }
 578 }
 579
 580 /*
 581   matcherprop_match_line
 582   returns TRUE if the string matchs the MatcherProp criteria
 583  */
 584
 585 static gboolean matcherprop_match_line(MatcherProp * matcher, gchar * line)
 586 {
 587         switch(matcher->criteria) {
 588         case MATCHCRITERIA_BODY_PART:
 589         case MATCHCRITERIA_MESSAGE:
 590                 return matcherprop_string_match(matcher, line);
 591         case MATCHCRITERIA_NOT_BODY_PART:
 592         case MATCHCRITERIA_NOT_MESSAGE:
 593                 return !matcherprop_string_match(matcher, line);
 594         }
 595         return FALSE;
 596 }
 597
 598 /*
 599   matcherlist_match_line
 600   returns TRUE if the string matchs the MatcherList criteria
 601  */
 602
 603 static gboolean matcherlist_match_line(MatcherList * matchers, gchar * line)
 604 {
 605         GSList * l;
 606
 607         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 608                 MatcherProp * matcher = (MatcherProp *) l->data;
 609
 610                 if (matcherprop_criteria_body(matcher) ||
 611                     matcherprop_criteria_message(matcher)) {
 612                         if (matcherprop_match_line(matcher, line)) {
 613                                 matcher->result = TRUE;
 614                         }
 615                 }
 616
 617                 if (matcher->result) {
 618                         if (!matchers->bool_and)
 619                                 return TRUE;
 620                 }
 621         }
 622         return FALSE;
 623 }
 624
 625 /*
 626   matcherlist_match_body
 627   returns TRUE if one line of the body matchs the MatcherList criteria
 628  */
 629
 630 static gboolean matcherlist_match_body(MatcherList * matchers, FILE * fp)
 631 {
 632         gchar buf[BUFFSIZE];
 633
 634         while (fgets(buf, sizeof(buf), fp) != NULL)
 635                 if (matcherlist_match_line(matchers, buf))
 636                         return TRUE;
 637
 638         return FALSE;
 639 }
 640
 641 gboolean matcherlist_match_file(MatcherList * matchers, MsgInfo * info,
 642                                 gboolean result)
 643 {
 644         gboolean read_headers;
 645         gboolean read_body;
 646         GSList * l;
 647         FILE * fp;
 648         gchar * file;
 649
 650         /* file need to be read ? */
 651
 652         read_headers = FALSE;
 653         read_body = FALSE;
 654         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 655                 MatcherProp * matcher = (MatcherProp *) l->data;
 656
 657                 if (matcherprop_criteria_headers(matcher))
 658                         read_headers = TRUE;
 659                 if (matcherprop_criteria_body(matcher))
 660                         read_body = TRUE;
 661                 if (matcherprop_criteria_message(matcher)) {
 662                         read_headers = TRUE;
 663                         read_body = TRUE;
 664                 }
 665                 matcher->result = FALSE;
 666         }
 667
 668         if (!read_headers && !read_body)
 669                 return result;
 670
 671         file = procmsg_get_message_file(info);
 672         if (file == NULL)
 673                 return FALSE;
 674
 675         if ((fp = fopen(file, "rb")) == NULL) {
 676                 FILE_OP_ERROR(file, "fopen");
 677                 g_free(file);
 678                 return result;
 679         }
 680
 681         /* read the headers */
 682
 683         if (read_headers) {
 684                 if (matcherlist_match_headers(matchers, fp))
 685                         read_body = FALSE;
 686         }
 687         else {
 688                 matcherlist_skip_headers(fp);
 689         }
 690
 691         /* read the body */
 692         if (read_body) {
 693                 matcherlist_match_body(matchers, fp);
 694         }
 695
 696         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 697                 MatcherProp * matcher = (MatcherProp *) l->data;
 698
 699                 if (matcherprop_criteria_headers(matcher) ||
 700                     matcherprop_criteria_body(matcher)    ||
 701                     matcherprop_criteria_message(matcher)) {
 702                         if (matcher->result) {
 703                                 if (!matchers->bool_and) {
 704                                         result = TRUE;
 705                                         break;
 706                                 }
 707                         }
 708                         else {
 709                                 if (matchers->bool_and) {
 710                                         result = FALSE;
 711                                         break;
 712                                 }
 713                         }
 714                 }
 715         }
 716
 717         g_free(file);
 718
 719         fclose(fp);
 720
 721         return result;
 722 }
 723
 724 /* test a list of condition */
 725
 726 gboolean matcherlist_match(MatcherList * matchers, MsgInfo * info)
 727 {
 728         GSList * l;
 729         gboolean result;
 730
 731         if (matchers->bool_and)
 732                 result = TRUE;
 733         else
 734                 result = FALSE;
 735
 736         /* test the cached elements */
 737
 738         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 739                 MatcherProp * matcher = (MatcherProp *) l->data;
 740
 741                 switch(matcher->criteria) {
 742                 case MATCHCRITERIA_ALL:
 743                 case MATCHCRITERIA_UNREAD:
 744                 case MATCHCRITERIA_NOT_UNREAD:
 745                 case MATCHCRITERIA_NEW:
 746                 case MATCHCRITERIA_NOT_NEW:
 747                 case MATCHCRITERIA_MARKED:
 748                 case MATCHCRITERIA_NOT_MARKED:
 749                 case MATCHCRITERIA_DELETED:
 750                 case MATCHCRITERIA_NOT_DELETED:
 751                 case MATCHCRITERIA_REPLIED:
 752                 case MATCHCRITERIA_NOT_REPLIED:
 753                 case MATCHCRITERIA_FORWARDED:
 754                 case MATCHCRITERIA_NOT_FORWARDED:
 755                 case MATCHCRITERIA_SUBJECT:
 756                 case MATCHCRITERIA_NOT_SUBJECT:
 757                 case MATCHCRITERIA_FROM:
 758                 case MATCHCRITERIA_NOT_FROM:
 759                 case MATCHCRITERIA_TO:
 760                 case MATCHCRITERIA_NOT_TO:
 761                 case MATCHCRITERIA_CC:
 762                 case MATCHCRITERIA_NOT_CC:
 763                 case MATCHCRITERIA_TO_OR_CC:
 764                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 765                 case MATCHCRITERIA_AGE_GREATER:
 766                 case MATCHCRITERIA_AGE_LOWER:
 767                 case MATCHCRITERIA_NEWSGROUPS:
 768                 case MATCHCRITERIA_NOT_NEWSGROUPS:
 769                 case MATCHCRITERIA_INREPLYTO:
 770                 case MATCHCRITERIA_NOT_INREPLYTO:
 771                 case MATCHCRITERIA_REFERENCES:
 772                 case MATCHCRITERIA_NOT_REFERENCES:
 773                 case MATCHCRITERIA_SCORE_GREATER:
 774                 case MATCHCRITERIA_SCORE_LOWER:
 775                 case MATCHCRITERIA_SCORE_EQUAL:
 776                 case MATCHCRITERIA_SIZE_GREATER:
 777                 case MATCHCRITERIA_SIZE_SMALLER:
 778                 case MATCHCRITERIA_SIZE_EQUAL:
 779                 case MATCHCRITERIA_EXECUTE:
 780                 case MATCHCRITERIA_NOT_EXECUTE:
 781                         if (matcherprop_match(matcher, info)) {
 782                                 if (!matchers->bool_and) {
 783                                         return TRUE;
 784                                 }
 785                         }
 786                         else {
 787                                 if (matchers->bool_and) {
 788                                         return FALSE;
 789                                 }
 790                         }
 791                 }
 792         }
 793
 794         /* test the condition on the file */
 795
 796         if (matcherlist_match_file(matchers, info, result)) {
 797                 if (!matchers->bool_and)
 798                         return TRUE;
 799         }
 800         else {
 801                 if (matchers->bool_and)
 802                         return FALSE;
 803         }
 804
 805         return result;
 806 }
 807
 808
 809 gchar * matcherprop_to_string(MatcherProp * matcher)
 810 {
 811         gchar * matcher_str = NULL;
 812         gchar * criteria_str;
 813         gchar * matchtype_str;
 814         int i;
 815         gchar * p;
 816         gint count;
 817         gchar * expr_str;
 818         gchar * out;
 819
 820         criteria_str = NULL;
 821         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 822             i++) {
 823                 if (matchparser_tab[i].id == matcher->criteria)
 824                         criteria_str = matchparser_tab[i].str;
 825         }
 826         if (criteria_str == NULL)
 827                 return NULL;
 828
 829         switch(matcher->criteria) {
 830         case MATCHCRITERIA_AGE_GREATER:
 831         case MATCHCRITERIA_AGE_LOWER:
 832         case MATCHCRITERIA_SCORE_GREATER:
 833         case MATCHCRITERIA_SCORE_LOWER:
 834         case MATCHCRITERIA_SCORE_EQUAL:
 835         case MATCHCRITERIA_SIZE_GREATER:
 836         case MATCHCRITERIA_SIZE_SMALLER:
 837         case MATCHCRITERIA_SIZE_EQUAL:
 838                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
 839         case MATCHCRITERIA_ALL:
 840         case MATCHCRITERIA_UNREAD:
 841         case MATCHCRITERIA_NOT_UNREAD:
 842         case MATCHCRITERIA_NEW:
 843         case MATCHCRITERIA_NOT_NEW:
 844         case MATCHCRITERIA_MARKED:
 845         case MATCHCRITERIA_NOT_MARKED:
 846         case MATCHCRITERIA_DELETED:
 847         case MATCHCRITERIA_NOT_DELETED:
 848         case MATCHCRITERIA_REPLIED:
 849         case MATCHCRITERIA_NOT_REPLIED:
 850         case MATCHCRITERIA_FORWARDED:
 851         case MATCHCRITERIA_NOT_FORWARDED:
 852                 return g_strdup(criteria_str);
 853         case MATCHCRITERIA_EXECUTE:
 854         case MATCHCRITERIA_NOT_EXECUTE:
 855                 return g_strdup_printf("%s \"%s\"", criteria_str, matcher->expr);
 856         }
 857
 858         matchtype_str = NULL;
 859         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 860             i++) {
 861                 if (matchparser_tab[i].id == matcher->matchtype)
 862                         matchtype_str = matchparser_tab[i].str;
 863         }
 864
 865         if (matchtype_str == NULL)
 866                 return NULL;
 867
 868         switch (matcher->matchtype) {
 869         case MATCHTYPE_MATCH:
 870         case MATCHTYPE_MATCHCASE:
 871         case MATCHTYPE_REGEXP:
 872         case MATCHTYPE_REGEXPCASE:
 873                 if (matcher->header)
 874                         matcher_str =
 875                                 g_strdup_printf("%s \"%s\" %s \"%s\"",
 876                                            criteria_str, matcher->header,
 877                                            matchtype_str, matcher->expr);
 878                 else
 879                         matcher_str =
 880                                 g_strdup_printf("%s %s \"%s\"", criteria_str,
 881                                                 matchtype_str, matcher->expr);
 882                 break;
 883         }
 884
 885         return matcher_str;
 886 }
 887
 888 gchar * matcherlist_to_string(MatcherList * matchers)
 889 {
 890         gint count;
 891         gchar ** vstr;
 892         GSList * l;
 893         gchar ** cur_str;
 894         gchar * result;
 895
 896         count = g_slist_length(matchers->matchers);
 897         vstr = g_new(gchar *, count + 1);
 898
 899         for (l = matchers->matchers, cur_str = vstr ; l != NULL ;
 900              l = g_slist_next(l), cur_str ++) {
 901                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
 902                 if (*cur_str == NULL)
 903                         break;
 904         }
 905         *cur_str = NULL;
 906
 907         if (matchers->bool_and)
 908                 result = g_strjoinv(" & ", vstr);
 909         else
 910                 result = g_strjoinv(" | ", vstr);
 911
 912         for(cur_str = vstr ; *cur_str != NULL ; cur_str ++)
 913                 g_free(*cur_str);
 914         g_free(vstr);
 915
 916         return result;
 917 }
 918
 919 /* matching_build_command() - preferably cmd should be unescaped */
 920 gchar * matching_build_command(gchar * cmd, MsgInfo * info)
 921 {
 922         gchar * s = cmd;
 923         gchar * filename = NULL;
 924         gchar * processed_cmd;
 925         gchar * p;
 926         gint size;
 927
 928         size = strlen(cmd) + 1;
 929         while (*s != '\0') {
 930                 if (*s == '%') {
 931                         s++;
 932                         switch (*s) {
 933                         case '%':
 934                                 size -= 1;
 935                                 break;
 936                         case 's': /* subject */
 937                                 size += strlen(info->subject) - 2;
 938                                 break;
 939                         case 'f': /* from */
 940                                 size += strlen(info->from) - 2;
 941                                 break;
 942                         case 't': /* to */
 943                                 size += strlen(info->to) - 2;
 944                                 break;
 945                         case 'c': /* cc */
 946                                 size += strlen(info->cc) - 2;
 947                                 break;
 948                         case 'd': /* date */
 949                                 size += strlen(info->date) - 2;
 950                                 break;
 951                         case 'i': /* message-id */
 952                                 size += strlen(info->msgid) - 2;
 953                                 break;
 954                         case 'n': /* newsgroups */
 955                                 size += strlen(info->newsgroups) - 2;
 956                                 break;
 957                         case 'r': /* references */
 958                                 size += strlen(info->references) - 2;
 959                                 break;
 960                         case 'F': /* file */
 961                                 filename = folder_item_fetch_msg(info->folder,
 962                                                                  info->msgnum);
 963
 964                                 if (filename == NULL) {
 965                                         g_warning(_("filename is not set"));
 966                                         return NULL;
 967                                 }
 968                                 else
 969                                         size += strlen(filename) - 2;
 970                                 break;
 971                         }
 972                         s++;
 973                 }
 974                 else s++;
 975         }
 976
 977
 978         processed_cmd = g_new0(gchar, size);
 979         s = cmd;
 980         p = processed_cmd;
 981
 982         while (*s != '\0') {
 983                 if (*s == '%') {
 984                         s++;
 985                         switch (*s) {
 986                         case '%':
 987                                 *p = '%';
 988                                 p++;
 989                                 break;
 990                         case 's': /* subject */
 991                                 if (info->subject != NULL)
 992                                         strcpy(p, info->subject);
 993                                 else
 994                                         strcpy(p, _("(none)"));
 995                                 p += strlen(p);
 996                                 break;
 997                         case 'f': /* from */
 998                                 if (info->from != NULL)
 999                                         strcpy(p, info->from);
1000                                 else
1001                                         strcpy(p, _("(none)"));
1002                                 p += strlen(p);
1003                                 break;
1004                         case 't': /* to */
1005                                 if (info->to != NULL)
1006                                         strcpy(p, info->to);
1007                                 else
1008                                         strcpy(p, _("(none)"));
1009                                 p += strlen(p);
1010                                 break;
1011                         case 'c': /* cc */
1012                                 if (info->cc != NULL)
1013                                         strcpy(p, info->cc);
1014                                 else
1015                                         strcpy(p, _("(none)"));
1016                                 p += strlen(p);
1017                                 break;
1018                         case 'd': /* date */
1019                                 if (info->date != NULL)
1020                                         strcpy(p, info->date);
1021                                 else
1022                                         strcpy(p, _("(none)"));
1023                                 p += strlen(p);
1024                                 break;
1025                         case 'i': /* message-id */
1026                                 if (info->msgid != NULL)
1027                                         strcpy(p, info->msgid);
1028                                 else
1029                                         strcpy(p, _("(none)"));
1030                                 p += strlen(p);
1031                                 break;
1032                         case 'n': /* newsgroups */
1033                                 if (info->newsgroups != NULL)
1034                                         strcpy(p, info->newsgroups);
1035                                 else
1036                                         strcpy(p, _("(none)"));
1037                                 p += strlen(p);
1038                                 break;
1039                         case 'r': /* references */
1040                                 if (info->references != NULL)
1041                                         strcpy(p, info->references);
1042                                 else
1043                                         strcpy(p, _("(none)"));
1044                                 p += strlen(p);
1045                                 break;
1046                         case 'F': /* file */
1047                                 strcpy(p, filename);
1048                                 p += strlen(p);
1049                                 break;
1050                         default:
1051                                 *p = '%';
1052                                 p++;
1053                                 *p = *s;
1054                                 p++;
1055                                 break;
1056                         }
1057                         s++;
1058                 }
1059                 else {
1060                         *p = *s;
1061                         p++;
1062                         s++;
1063                 }
1064         }
1065
1066         debug_print("*** exec string \"%s\"\n", processed_cmd);
1067         return processed_cmd;
1068 }
1069
1070 /* ************************************************************ */
1071
1072 static void prefs_scoring_write(FILE * fp, GSList * prefs_scoring)
1073 {
1074         GSList * cur;
1075
1076         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1077                 gchar *scoring_str;
1078                 ScoringProp * prop;
1079
1080                 prop = (ScoringProp *) cur->data;
1081                 scoring_str = scoringprop_to_string(prop);
1082                 if (fputs(scoring_str, fp) == EOF ||
1083                     fputc('\n', fp) == EOF) {
1084                         FILE_OP_ERROR("scoring config", "fputs || fputc");
1085                         g_free(scoring_str);
1086                         return;
1087                 }
1088                 g_free(scoring_str);
1089         }
1090 }
1091
1092 static void prefs_filtering_write(FILE * fp, GSList * prefs_scoring)
1093 {
1094         GSList * cur;
1095
1096         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1097                 gchar *filtering_str;
1098                 FilteringProp * prop;
1099
1100                 if (NULL == (prop = (FilteringProp *) cur->data))
1101                         continue;
1102
1103                 if (NULL == (filtering_str = filteringprop_to_string(prop)))
1104                         continue;
1105
1106                 if (fputs(filtering_str, fp) == EOF ||
1107                     fputc('\n', fp) == EOF) {
1108                         FILE_OP_ERROR("filtering config", "fputs || fputc");
1109                         g_free(filtering_str);
1110                         return;
1111                 }
1112                 g_free(filtering_str);
1113         }
1114 }
1115
1116 static gboolean prefs_matcher_write_func(GNode *node, gpointer data)
1117 {
1118         FolderItem *item;
1119         FILE * fp = data;
1120         gchar * id;
1121         GSList * prefs_scoring;
1122         GSList * prefs_filtering;
1123
1124         if (node != NULL) {
1125                 item = node->data;
1126                 /* prevent from the warning */
1127                 if (item->path == NULL)
1128                         return FALSE;
1129                 id = folder_item_get_identifier(item);
1130                 if (id == NULL)
1131                         return FALSE;
1132                 prefs_scoring = item->prefs->scoring;
1133                 prefs_filtering = item->prefs->processing;
1134         }
1135         else {
1136                 item = NULL;
1137                 id = g_strdup("global"); /* because it is g_freed */
1138                 prefs_scoring = global_scoring;
1139                 prefs_filtering = global_processing;
1140         }
1141
1142         if (prefs_filtering != NULL || prefs_scoring != NULL) {
1143                 fprintf(fp, "[%s]\n", id);
1144
1145                 prefs_filtering_write(fp, prefs_filtering);
1146                 prefs_scoring_write(fp, prefs_scoring);
1147
1148                 fputc('\n', fp);
1149         }
1150
1151         g_free(id);
1152
1153         return FALSE;
1154 }
1155
1156 static void prefs_matcher_save(FILE * fp)
1157 {
1158         GList * cur;
1159
1160         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
1161                 Folder *folder;
1162
1163                 folder = (Folder *) cur->data;
1164                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1165                                 prefs_matcher_write_func, fp);
1166         }
1167         prefs_matcher_write_func(NULL, fp);
1168 }
1169
1170
1171 void prefs_matcher_write_config(void)
1172 {
1173         gchar *rcpath;
1174         PrefFile *pfile;
1175         GSList *cur;
1176         ScoringProp * prop;
1177
1178         debug_print(_("Writing matcher configuration...\n"));
1179
1180         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1181                              MATCHER_RC, NULL);
1182
1183         if ((pfile = prefs_write_open(rcpath)) == NULL) {
1184                 g_warning(_("failed to write configuration to file\n"));
1185                 g_free(rcpath);
1186                 return;
1187         }
1188
1189
1190         prefs_matcher_save(pfile->fp);
1191
1192         g_free(rcpath);
1193
1194         if (prefs_write_close(pfile) < 0) {
1195                 g_warning(_("failed to write configuration to file\n"));
1196                 return;
1197         }
1198 }
1199
1200 /* ******************************************************************* */
1201
1202 void prefs_matcher_read_config(void)
1203 {
1204         gchar * rcpath;
1205         FILE * f;
1206
1207         prefs_scoring_clear();
1208         prefs_filtering_clear();
1209
1210         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
1211         f = fopen(rcpath, "rb");
1212         g_free(rcpath);
1213
1214         if (f != NULL) {
1215                 matcher_parser_start_parsing(f);
1216                 fclose(f);
1217         }
1218         else {
1219                 /* previous version compatibily */
1220
1221                 /* printf("reading filtering\n"); */
1222                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1223                                      FILTERING_RC, NULL);
1224                 f = fopen(rcpath, "rb");
1225                 g_free(rcpath);
1226
1227                 if (f != NULL) {
1228                         matcher_parser_start_parsing(f);
1229                         fclose(matcher_parserin);
1230                 }
1231
1232                 /* printf("reading scoring\n"); */
1233                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1234                                      SCORING_RC, NULL);
1235                 f = fopen(rcpath, "rb");
1236                 g_free(rcpath);
1237
1238                 if (f != NULL) {
1239                         matcher_parser_start_parsing(f);
1240                         fclose(matcher_parserin);
1241                 }
1242         }
1243 }