src/matcher.c

   1 #include <ctype.h>
   2 #include <string.h>
   3 #include <stdlib.h>
   4 #include <errno.h>
   5 #include "defs.h"
   6 #include "utils.h"
   7 #include "procheader.h"
   8 #include "matcher.h"
   9 #include "intl.h"
  10 #include "matcher_parser.h"
  11 #include "prefs.h"
  12
  13 struct _MatchParser {
  14         gint id;
  15         gchar * str;
  16 };
  17
  18 typedef struct _MatchParser MatchParser;
  19
  20 static MatchParser matchparser_tab[] = {
  21         /* msginfo flags */
  22         {MATCHCRITERIA_ALL, "all"},
  23         {MATCHCRITERIA_UNREAD, "unread"},
  24         {MATCHCRITERIA_NOT_UNREAD, "~unread"},
  25         {MATCHCRITERIA_NEW, "new"},
  26         {MATCHCRITERIA_NOT_NEW, "~new"},
  27         {MATCHCRITERIA_MARKED, "marked"},
  28         {MATCHCRITERIA_NOT_MARKED, "~marked"},
  29         {MATCHCRITERIA_DELETED, "deleted"},
  30         {MATCHCRITERIA_NOT_DELETED, "~deleted"},
  31         {MATCHCRITERIA_REPLIED, "replied"},
  32         {MATCHCRITERIA_NOT_REPLIED, "~replied"},
  33         {MATCHCRITERIA_FORWARDED, "forwarded"},
  34         {MATCHCRITERIA_NOT_FORWARDED, "~forwarded"},
  35
  36         /* msginfo headers */
  37         {MATCHCRITERIA_SUBJECT, "subject"},
  38         {MATCHCRITERIA_NOT_SUBJECT, "~subject"},
  39         {MATCHCRITERIA_FROM, "from"},
  40         {MATCHCRITERIA_NOT_FROM, "~from"},
  41         {MATCHCRITERIA_TO, "to"},
  42         {MATCHCRITERIA_NOT_TO, "~to"},
  43         {MATCHCRITERIA_CC, "cc"},
  44         {MATCHCRITERIA_NOT_CC, "~cc"},
  45         {MATCHCRITERIA_TO_OR_CC, "to_or_cc"},
  46         {MATCHCRITERIA_NOT_TO_AND_NOT_CC, "~to_or_cc"},
  47         {MATCHCRITERIA_AGE_GREATER, "age_greater"},
  48         {MATCHCRITERIA_AGE_LOWER, "age_lower"},
  49         {MATCHCRITERIA_NEWSGROUPS, "newsgroups"},
  50         {MATCHCRITERIA_NOT_NEWSGROUPS, "~newsgroups"},
  51         {MATCHCRITERIA_INREPLYTO, "inreplyto"},
  52         {MATCHCRITERIA_NOT_INREPLYTO, "~inreplyto"},
  53         {MATCHCRITERIA_REFERENCES, "references"},
  54         {MATCHCRITERIA_NOT_REFERENCES, "~references"},
  55         {MATCHCRITERIA_SCORE_GREATER, "score_greater"},
  56         {MATCHCRITERIA_SCORE_LOWER, "score_lower"},
  57         {MATCHCRITERIA_SCORE_EQUAL, "score_equal"},
  58
  59         /* content have to be read */
  60         {MATCHCRITERIA_HEADER, "header"},
  61         {MATCHCRITERIA_NOT_HEADER, "~header"},
  62         {MATCHCRITERIA_HEADERS_PART, "headers_part"},
  63         {MATCHCRITERIA_NOT_HEADERS_PART, "~headers_part"},
  64         {MATCHCRITERIA_MESSAGE, "message"},
  65         {MATCHCRITERIA_NOT_MESSAGE, "~message"},
  66         {MATCHCRITERIA_BODY_PART, "body_part"},
  67         {MATCHCRITERIA_NOT_BODY_PART, "~body_part"},
  68         {MATCHCRITERIA_EXECUTE, "execute"},
  69         {MATCHCRITERIA_NOT_EXECUTE, "~execute"},
  70
  71         /* match type */
  72         {MATCHTYPE_MATCHCASE, "matchcase"},
  73         {MATCHTYPE_MATCH, "match"},
  74         {MATCHTYPE_REGEXPCASE, "regexpcase"},
  75         {MATCHTYPE_REGEXP, "regexp"},
  76
  77         /* actions */
  78         {MATCHACTION_SCORE, "score"},
  79         {MATCHACTION_MOVE, "move"},
  80         {MATCHACTION_COPY, "copy"},
  81         {MATCHACTION_DELETE, "delete"},
  82         {MATCHACTION_MARK, "mark"},
  83         {MATCHACTION_UNMARK, "unmark"},
  84         {MATCHACTION_MARK_AS_READ, "mark_as_read"},
  85         {MATCHACTION_MARK_AS_UNREAD, "mark_as_unread"},
  86         {MATCHACTION_FORWARD, "forward"},
  87         {MATCHACTION_FORWARD_AS_ATTACHMENT, "forward_as_attachment"},
  88         {MATCHACTION_EXECUTE, "execute"},
  89         {MATCHACTION_COLOR, "color"},
  90         {MATCHACTION_BOUNCE, "bounce"},
  91         {MATCHACTION_DELETE_ON_SERVER, "delete_on_server"}
  92 };
  93
  94 /* get_matchparser_tab_str() - used by filtering.c to translate
  95  * actions to debug strings */
  96 gchar * get_matchparser_tab_str(gint id)
  97 {
  98         gint i;
  99
 100         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 101             i++) {
 102                 if (matchparser_tab[i].id == id)
 103                         return matchparser_tab[i].str;
 104         }
 105         return NULL;
 106 }
 107
 108 /* matcher_unescape_str() - assumes that unescaping frees up room
 109  * in the string, so it returns the unescaped string in the
 110  * source */
 111 gchar *matcher_unescape_str(gchar *str)
 112 {
 113         gchar *tmp = alloca(strlen(str) + 1);
 114         register gchar *src = tmp;
 115         register gchar *dst = str;
 116
 117         strcpy(tmp, str);
 118
 119         for ( ; *src; src++) {
 120                 if (*src != '\\')
 121                         *dst++ = *src;
 122                 else {
 123                         src++;
 124                         if (*src == '\\')
 125                                 *dst++ = '\\';                          /* insert backslash */
 126                         else if (*src == 'n')                           /* insert control characters */
 127                                 *dst++ = '\n';
 128                         else if (*src == 'r')
 129                                 *dst++ = '\r';
 130                         else if (*src == 't')
 131                                 *dst++ = '\t';
 132                         else if (*src == 'r')
 133                                 *dst++ = '\r';
 134                         else if (*src == 'b')
 135                                 *dst++ = '\b';
 136                         else if (*src == 'f')
 137                                 *dst++ = '\f';
 138                         else if (*src == '\'' || *src == '\"')          /* insert \' or \" */
 139                                 *dst++ = *src;
 140                         else {
 141                                 /* FIXME: should perhaps escape character... */
 142                                 src--;
 143                                 *dst++ = *src;
 144                         }
 145                 }
 146         }
 147         *dst = 0;
 148         return str;
 149 }
 150
 151 /* **************** data structure allocation **************** */
 152
 153 /* matcherprop_new() - allocates a structure for one condition
 154  */
 155 MatcherProp * matcherprop_new(gint criteria, gchar * header,
 156                               gint matchtype, gchar * expr,
 157                               int value)
 158 {
 159         MatcherProp * prop;
 160
 161         prop = g_new0(MatcherProp, 1);
 162         prop->criteria = criteria;
 163         if (header != NULL) {
 164                 prop->header       = g_strdup(header);
 165                 prop->unesc_header = matcher_unescape_str(g_strdup(header));
 166         }
 167         else {
 168                 prop->header       = NULL;
 169                 prop->unesc_header = NULL;
 170         }
 171         if (expr != NULL) {
 172                 prop->expr       = g_strdup(expr);
 173                 prop->unesc_expr = matcher_unescape_str(g_strdup(expr));
 174         }
 175         else {
 176                 prop->expr       = NULL;
 177                 prop->unesc_expr = NULL;
 178         }
 179         prop->matchtype = matchtype;
 180         prop->preg = NULL;
 181         prop->value = value;
 182         prop->error = 0;
 183
 184         return prop;
 185 }
 186
 187 /* matcherprop_free()
 188  */
 189 void matcherprop_free(MatcherProp * prop)
 190 {
 191         if (prop->expr)
 192                 g_free(prop->expr);
 193         if (prop->unesc_expr)
 194                 g_free(prop->unesc_expr);
 195         if (prop->header)
 196                 g_free(prop->header);
 197         if (prop->unesc_header)
 198                 g_free(prop->unesc_header);
 199         if (prop->preg != NULL) {
 200                 regfree(prop->preg);
 201                 g_free(prop->preg);
 202         }
 203         g_free(prop);
 204 }
 205
 206
 207 /* ************** match ******************************/
 208
 209
 210 /* matcherprop_string_match() - finds out if a string matches
 211  * with a criterium */
 212 static gboolean matcherprop_string_match(MatcherProp * prop, gchar * str)
 213 {
 214         gchar * str1;
 215         gchar * str2;
 216
 217         if (str == NULL)
 218                 return FALSE;
 219
 220         switch(prop->matchtype) {
 221         case MATCHTYPE_REGEXPCASE:
 222         case MATCHTYPE_REGEXP:
 223                 if (!prop->preg && (prop->error == 0)) {
 224                         prop->preg = g_new0(regex_t, 1);
 225                         /* if regexp then don't use the escaped string */
 226                         if (regcomp(prop->preg, prop->expr,
 227                                     REG_NOSUB | REG_EXTENDED
 228                                     | ((prop->matchtype == MATCHTYPE_REGEXPCASE)
 229                                     ? REG_ICASE : 0)) != 0) {
 230                                 prop->error = 1;
 231                                 g_free(prop->preg);
 232                         }
 233                 }
 234                 if (prop->preg == NULL)
 235                         return FALSE;
 236
 237                 if (regexec(prop->preg, str, 0, NULL, 0) == 0)
 238                         return TRUE;
 239                 else
 240                         return FALSE;
 241
 242         case MATCHTYPE_MATCH:
 243                 return (strstr(str, prop->unesc_expr) != NULL);
 244
 245         /* FIXME: put upper in unesc_str */
 246         case MATCHTYPE_MATCHCASE:
 247                 str2 = alloca(strlen(prop->unesc_expr) + 1);
 248                 strcpy(str2, prop->unesc_expr);
 249                 g_strup(str2);
 250                 str1 = alloca(strlen(str) + 1);
 251                 strcpy(str1, str);
 252                 g_strup(str1);
 253                 return (strstr(str1, str2) != NULL);
 254
 255         default:
 256                 return FALSE;
 257         }
 258 }
 259
 260 gboolean matcherprop_match_execute(MatcherProp * prop, MsgInfo * info)
 261 {
 262         gchar * file;
 263         gchar * cmd;
 264
 265         file = procmsg_get_message_file(info);
 266         if (file == NULL)
 267                 return FALSE;
 268
 269         cmd = matching_build_command(prop->unesc_expr, info);
 270         if (cmd == NULL)
 271                 return FALSE;
 272
 273         return (system(cmd) == 0);
 274 }
 275
 276 /* match a message and his headers, hlist can be NULL if you don't
 277    want to use headers */
 278
 279 gboolean matcherprop_match(MatcherProp * prop, MsgInfo * info)
 280 {
 281         time_t t;
 282
 283         switch(prop->criteria) {
 284         case MATCHCRITERIA_ALL:
 285                 return 1;
 286         case MATCHCRITERIA_UNREAD:
 287                 return MSG_IS_UNREAD(info->flags);
 288         case MATCHCRITERIA_NOT_UNREAD:
 289                 return !MSG_IS_UNREAD(info->flags);
 290         case MATCHCRITERIA_NEW:
 291                 return MSG_IS_NEW(info->flags);
 292         case MATCHCRITERIA_NOT_NEW:
 293                 return !MSG_IS_NEW(info->flags);
 294         case MATCHCRITERIA_MARKED:
 295                 return MSG_IS_MARKED(info->flags);
 296         case MATCHCRITERIA_NOT_MARKED:
 297                 return !MSG_IS_MARKED(info->flags);
 298         case MATCHCRITERIA_DELETED:
 299                 return MSG_IS_DELETED(info->flags);
 300         case MATCHCRITERIA_NOT_DELETED:
 301                 return !MSG_IS_DELETED(info->flags);
 302         case MATCHCRITERIA_REPLIED:
 303                 return MSG_IS_REPLIED(info->flags);
 304         case MATCHCRITERIA_NOT_REPLIED:
 305                 return !MSG_IS_REPLIED(info->flags);
 306         case MATCHCRITERIA_FORWARDED:
 307                 return MSG_IS_FORWARDED(info->flags);
 308         case MATCHCRITERIA_NOT_FORWARDED:
 309                 return !MSG_IS_FORWARDED(info->flags);
 310         case MATCHCRITERIA_SUBJECT:
 311                 return matcherprop_string_match(prop, info->subject);
 312         case MATCHCRITERIA_NOT_SUBJECT:
 313                 return !matcherprop_string_match(prop, info->subject);
 314         case MATCHCRITERIA_FROM:
 315                 return matcherprop_string_match(prop, info->from);
 316         case MATCHCRITERIA_NOT_FROM:
 317                 return !matcherprop_string_match(prop, info->from);
 318         case MATCHCRITERIA_TO:
 319                 return matcherprop_string_match(prop, info->to);
 320         case MATCHCRITERIA_NOT_TO:
 321                 return !matcherprop_string_match(prop, info->to);
 322         case MATCHCRITERIA_CC:
 323                 return matcherprop_string_match(prop, info->cc);
 324         case MATCHCRITERIA_NOT_CC:
 325                 return !matcherprop_string_match(prop, info->cc);
 326         case MATCHCRITERIA_TO_OR_CC:
 327                 return matcherprop_string_match(prop, info->to)
 328                         || matcherprop_string_match(prop, info->cc);
 329         case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 330                 return !(matcherprop_string_match(prop, info->to)
 331                 || matcherprop_string_match(prop, info->cc));
 332         case MATCHCRITERIA_AGE_GREATER:
 333                 t = time(NULL);
 334                 return ((t - info->date_t) / (60 * 60 * 24)) >= prop->value;
 335         case MATCHCRITERIA_AGE_LOWER:
 336                 t = time(NULL);
 337                 return ((t - info->date_t) / (60 * 60 * 24)) <= prop->value;
 338         case MATCHCRITERIA_SCORE_GREATER:
 339                 return info->score >= prop->value;
 340         case MATCHCRITERIA_SCORE_LOWER:
 341                 return info->score <= prop->value;
 342         case MATCHCRITERIA_SCORE_EQUAL:
 343                 return info->score == prop->value;
 344         case MATCHCRITERIA_NEWSGROUPS:
 345                 return matcherprop_string_match(prop, info->newsgroups);
 346         case MATCHCRITERIA_NOT_NEWSGROUPS:
 347                 return !matcherprop_string_match(prop, info->newsgroups);
 348         case MATCHCRITERIA_INREPLYTO:
 349                 return matcherprop_string_match(prop, info->inreplyto);
 350         case MATCHCRITERIA_NOT_INREPLYTO:
 351                 return !matcherprop_string_match(prop, info->inreplyto);
 352         case MATCHCRITERIA_REFERENCES:
 353                 return matcherprop_string_match(prop, info->references);
 354         case MATCHCRITERIA_NOT_REFERENCES:
 355                 return !matcherprop_string_match(prop, info->references);
 356         case MATCHCRITERIA_EXECUTE:
 357                 return matcherprop_match_execute(prop, info);
 358         case MATCHCRITERIA_NOT_EXECUTE:
 359                 return !matcherprop_match_execute(prop, info);
 360         default:
 361                 return 0;
 362         }
 363 }
 364
 365 /* ********************* MatcherList *************************** */
 366
 367
 368 MatcherList * matcherlist_new(GSList * matchers, gboolean bool_and)
 369 {
 370         MatcherList * cond;
 371
 372         cond = g_new0(MatcherList, 1);
 373
 374         cond->matchers = matchers;
 375         cond->bool_and = bool_and;
 376
 377         return cond;
 378 }
 379
 380 void matcherlist_free(MatcherList * cond)
 381 {
 382         GSList * l;
 383
 384         for(l = cond->matchers ; l != NULL ; l = g_slist_next(l)) {
 385                 matcherprop_free((MatcherProp *) l->data);
 386         }
 387         g_free(cond);
 388 }
 389
 390 /*
 391   skip the headers
 392  */
 393
 394 static void matcherlist_skip_headers(FILE *fp)
 395 {
 396         gchar buf[BUFFSIZE];
 397
 398         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) {
 399         }
 400 }
 401
 402 /*
 403   matcherprop_match_one_header
 404   returns TRUE if buf matchs the MatchersProp criteria
 405  */
 406
 407 static gboolean matcherprop_match_one_header(MatcherProp * matcher,
 408                                              gchar * buf)
 409 {
 410         gboolean result;
 411         Header *header;
 412
 413         switch(matcher->criteria) {
 414         case MATCHCRITERIA_HEADER:
 415         case MATCHCRITERIA_NOT_HEADER:
 416                 header = procheader_parse_header(buf);
 417                 if (!header)
 418                         return FALSE;
 419                 if (procheader_headername_equal(header->name,
 420                                                 matcher->header)) {
 421                         if (matcher->criteria == MATCHCRITERIA_HEADER)
 422                                 result = matcherprop_string_match(matcher, header->body);
 423                         else
 424                                 result = !matcherprop_string_match(matcher, header->body);
 425                         procheader_header_free(header);
 426                         return result;
 427                 }
 428                 else {
 429                         procheader_header_free(header);
 430                 }
 431                 break;
 432         case MATCHCRITERIA_HEADERS_PART:
 433         case MATCHCRITERIA_MESSAGE:
 434                 return matcherprop_string_match(matcher, buf);
 435         case MATCHCRITERIA_NOT_MESSAGE:
 436         case MATCHCRITERIA_NOT_HEADERS_PART:
 437                 return !matcherprop_string_match(matcher, buf);
 438         }
 439         return FALSE;
 440 }
 441
 442 /*
 443   matcherprop_criteria_header
 444   returns TRUE if the headers must be matched
 445  */
 446
 447 static gboolean matcherprop_criteria_headers(MatcherProp * matcher)
 448 {
 449         switch(matcher->criteria) {
 450         case MATCHCRITERIA_HEADER:
 451         case MATCHCRITERIA_NOT_HEADER:
 452         case MATCHCRITERIA_HEADERS_PART:
 453         case MATCHCRITERIA_NOT_HEADERS_PART:
 454                 return TRUE;
 455         default:
 456                 return FALSE;
 457         }
 458 }
 459
 460 static gboolean matcherprop_criteria_message(MatcherProp * matcher)
 461 {
 462         switch(matcher->criteria) {
 463         case MATCHCRITERIA_MESSAGE:
 464         case MATCHCRITERIA_NOT_MESSAGE:
 465                 return TRUE;
 466         default:
 467                 return FALSE;
 468         }
 469 }
 470
 471 /*
 472   matcherlist_match_one_header
 473   returns TRUE if match should stop
 474  */
 475
 476 static gboolean matcherlist_match_one_header(MatcherList * matchers,
 477                                          gchar * buf)
 478 {
 479         GSList * l;
 480
 481         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 482                 MatcherProp * matcher = (MatcherProp *) l->data;
 483
 484                 if (matcherprop_criteria_headers(matcher) ||
 485                     matcherprop_criteria_message(matcher)) {
 486                         if (matcherprop_match_one_header(matcher, buf)) {
 487                                 matcher->result = TRUE;
 488                         }
 489                 }
 490
 491                 if (matcherprop_criteria_headers(matcher)) {
 492                         if (matcher->result) {
 493                                 if (!matchers->bool_and)
 494                                         return TRUE;
 495                         }
 496                 }
 497         }
 498
 499         return FALSE;
 500 }
 501
 502 /*
 503   matcherlist_match_headers
 504   returns TRUE if one of the headers matchs the MatcherList criteria
 505  */
 506
 507 static gboolean matcherlist_match_headers(MatcherList * matchers, FILE * fp)
 508 {
 509         gchar buf[BUFFSIZE];
 510
 511         while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1)
 512                 if (matcherlist_match_one_header(matchers, buf))
 513                         return TRUE;
 514
 515         return FALSE;
 516 }
 517
 518 /*
 519   matcherprop_criteria_body
 520   returns TRUE if the body must be matched
 521  */
 522
 523 static gboolean matcherprop_criteria_body(MatcherProp * matcher)
 524 {
 525         switch(matcher->criteria) {
 526         case MATCHCRITERIA_BODY_PART:
 527         case MATCHCRITERIA_NOT_BODY_PART:
 528                 return TRUE;
 529         default:
 530                 return FALSE;
 531         }
 532 }
 533
 534 /*
 535   matcherprop_match_line
 536   returns TRUE if the string matchs the MatcherProp criteria
 537  */
 538
 539 static gboolean matcherprop_match_line(MatcherProp * matcher, gchar * line)
 540 {
 541         switch(matcher->criteria) {
 542         case MATCHCRITERIA_BODY_PART:
 543         case MATCHCRITERIA_MESSAGE:
 544                 return matcherprop_string_match(matcher, line);
 545         case MATCHCRITERIA_NOT_BODY_PART:
 546         case MATCHCRITERIA_NOT_MESSAGE:
 547                 return !matcherprop_string_match(matcher, line);
 548         }
 549         return FALSE;
 550 }
 551
 552 /*
 553   matcherlist_match_line
 554   returns TRUE if the string matchs the MatcherList criteria
 555  */
 556
 557 static gboolean matcherlist_match_line(MatcherList * matchers, gchar * line)
 558 {
 559         GSList * l;
 560
 561         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 562                 MatcherProp * matcher = (MatcherProp *) l->data;
 563
 564                 if (matcherprop_criteria_body(matcher) ||
 565                     matcherprop_criteria_message(matcher)) {
 566                         if (matcherprop_match_line(matcher, line)) {
 567                                 matcher->result = TRUE;
 568                         }
 569                 }
 570
 571                 if (matcher->result) {
 572                         if (!matchers->bool_and)
 573                                 return TRUE;
 574                 }
 575         }
 576         return FALSE;
 577 }
 578
 579 /*
 580   matcherlist_match_body
 581   returns TRUE if one line of the body matchs the MatcherList criteria
 582  */
 583
 584 static gboolean matcherlist_match_body(MatcherList * matchers, FILE * fp)
 585 {
 586         gchar buf[BUFFSIZE];
 587
 588         while (fgets(buf, sizeof(buf), fp) != NULL)
 589                 if (matcherlist_match_line(matchers, buf))
 590                         return TRUE;
 591
 592         return FALSE;
 593 }
 594
 595 gboolean matcherlist_match_file(MatcherList * matchers, MsgInfo * info,
 596                                 gboolean result)
 597 {
 598         gboolean read_headers;
 599         gboolean read_body;
 600         GSList * l;
 601         FILE * fp;
 602         gchar * file;
 603
 604         /* file need to be read ? */
 605
 606         read_headers = FALSE;
 607         read_body = FALSE;
 608         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 609                 MatcherProp * matcher = (MatcherProp *) l->data;
 610
 611                 if (matcherprop_criteria_headers(matcher))
 612                         read_headers = TRUE;
 613                 if (matcherprop_criteria_body(matcher))
 614                         read_body = TRUE;
 615                 if (matcherprop_criteria_message(matcher)) {
 616                         read_headers = TRUE;
 617                         read_body = TRUE;
 618                 }
 619                 matcher->result = FALSE;
 620         }
 621
 622         if (!read_headers && !read_body)
 623                 return result;
 624
 625         file = procmsg_get_message_file(info);
 626         if (file == NULL)
 627                 return FALSE;
 628
 629         if ((fp = fopen(file, "r")) == NULL) {
 630                 FILE_OP_ERROR(file, "fopen");
 631                 g_free(file);
 632                 return result;
 633         }
 634
 635         /* read the headers */
 636
 637         if (read_headers) {
 638                 if (matcherlist_match_headers(matchers, fp))
 639                         read_body = FALSE;
 640         }
 641         else {
 642                 matcherlist_skip_headers(fp);
 643         }
 644
 645         /* read the body */
 646         if (read_body) {
 647                 matcherlist_match_body(matchers, fp);
 648         }
 649
 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                     matcherprop_criteria_body(matcher)    ||
 655                     matcherprop_criteria_message(matcher)) {
 656                         if (matcher->result) {
 657                                 if (!matchers->bool_and) {
 658                                         result = TRUE;
 659                                         break;
 660                                 }
 661                         }
 662                         else {
 663                                 if (matchers->bool_and) {
 664                                         result = FALSE;
 665                                         break;
 666                                 }
 667                         }
 668                 }
 669         }
 670
 671         g_free(file);
 672
 673         fclose(fp);
 674
 675         return result;
 676 }
 677
 678 /* test a list of condition */
 679
 680 gboolean matcherlist_match(MatcherList * matchers, MsgInfo * info)
 681 {
 682         GSList * l;
 683         gboolean result;
 684
 685         if (matchers->bool_and)
 686                 result = TRUE;
 687         else
 688                 result = FALSE;
 689
 690         /* test the cached elements */
 691
 692         for(l = matchers->matchers ; l != NULL ; l = g_slist_next(l)) {
 693                 MatcherProp * matcher = (MatcherProp *) l->data;
 694
 695                 switch(matcher->criteria) {
 696                 case MATCHCRITERIA_ALL:
 697                 case MATCHCRITERIA_UNREAD:
 698                 case MATCHCRITERIA_NOT_UNREAD:
 699                 case MATCHCRITERIA_NEW:
 700                 case MATCHCRITERIA_NOT_NEW:
 701                 case MATCHCRITERIA_MARKED:
 702                 case MATCHCRITERIA_NOT_MARKED:
 703                 case MATCHCRITERIA_DELETED:
 704                 case MATCHCRITERIA_NOT_DELETED:
 705                 case MATCHCRITERIA_REPLIED:
 706                 case MATCHCRITERIA_NOT_REPLIED:
 707                 case MATCHCRITERIA_FORWARDED:
 708                 case MATCHCRITERIA_NOT_FORWARDED:
 709                 case MATCHCRITERIA_SUBJECT:
 710                 case MATCHCRITERIA_NOT_SUBJECT:
 711                 case MATCHCRITERIA_FROM:
 712                 case MATCHCRITERIA_NOT_FROM:
 713                 case MATCHCRITERIA_TO:
 714                 case MATCHCRITERIA_NOT_TO:
 715                 case MATCHCRITERIA_CC:
 716                 case MATCHCRITERIA_NOT_CC:
 717                 case MATCHCRITERIA_TO_OR_CC:
 718                 case MATCHCRITERIA_NOT_TO_AND_NOT_CC:
 719                 case MATCHCRITERIA_AGE_GREATER:
 720                 case MATCHCRITERIA_AGE_LOWER:
 721                 case MATCHCRITERIA_NEWSGROUPS:
 722                 case MATCHCRITERIA_NOT_NEWSGROUPS:
 723                 case MATCHCRITERIA_INREPLYTO:
 724                 case MATCHCRITERIA_NOT_INREPLYTO:
 725                 case MATCHCRITERIA_REFERENCES:
 726                 case MATCHCRITERIA_NOT_REFERENCES:
 727                 case MATCHCRITERIA_SCORE_GREATER:
 728                 case MATCHCRITERIA_SCORE_LOWER:
 729                 case MATCHCRITERIA_SCORE_EQUAL:
 730                 case MATCHCRITERIA_EXECUTE:
 731                 case MATCHCRITERIA_NOT_EXECUTE:
 732                         if (matcherprop_match(matcher, info)) {
 733                                 if (!matchers->bool_and) {
 734                                         return TRUE;
 735                                 }
 736                         }
 737                         else {
 738                                 if (matchers->bool_and) {
 739                                         return FALSE;
 740                                 }
 741                         }
 742                 }
 743         }
 744
 745         /* test the condition on the file */
 746
 747         if (matcherlist_match_file(matchers, info, result)) {
 748                 if (!matchers->bool_and)
 749                         return TRUE;
 750         }
 751         else {
 752                 if (matchers->bool_and)
 753                         return FALSE;
 754         }
 755
 756         return result;
 757 }
 758
 759
 760 gchar * matcherprop_to_string(MatcherProp * matcher)
 761 {
 762         gchar * matcher_str = NULL;
 763         gchar * criteria_str;
 764         gchar * matchtype_str;
 765         int i;
 766         gchar * p;
 767         gint count;
 768         gchar * expr_str;
 769         gchar * out;
 770
 771         criteria_str = NULL;
 772         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 773             i++) {
 774                 if (matchparser_tab[i].id == matcher->criteria)
 775                         criteria_str = matchparser_tab[i].str;
 776         }
 777         if (criteria_str == NULL)
 778                 return NULL;
 779
 780         switch(matcher->criteria) {
 781         case MATCHCRITERIA_AGE_GREATER:
 782         case MATCHCRITERIA_AGE_LOWER:
 783         case MATCHCRITERIA_SCORE_GREATER:
 784         case MATCHCRITERIA_SCORE_LOWER:
 785         case MATCHCRITERIA_SCORE_EQUAL:
 786                 return g_strdup_printf("%s %i", criteria_str, matcher->value);
 787                 break;
 788         case MATCHCRITERIA_ALL:
 789         case MATCHCRITERIA_UNREAD:
 790         case MATCHCRITERIA_NOT_UNREAD:
 791         case MATCHCRITERIA_NEW:
 792         case MATCHCRITERIA_NOT_NEW:
 793         case MATCHCRITERIA_MARKED:
 794         case MATCHCRITERIA_NOT_MARKED:
 795         case MATCHCRITERIA_DELETED:
 796         case MATCHCRITERIA_NOT_DELETED:
 797         case MATCHCRITERIA_REPLIED:
 798         case MATCHCRITERIA_NOT_REPLIED:
 799         case MATCHCRITERIA_FORWARDED:
 800         case MATCHCRITERIA_NOT_FORWARDED:
 801                 return g_strdup(criteria_str);
 802         }
 803
 804         matchtype_str = NULL;
 805         for(i = 0 ; i < (int) (sizeof(matchparser_tab) / sizeof(MatchParser)) ;
 806             i++) {
 807                 if (matchparser_tab[i].id == matcher->matchtype)
 808                         matchtype_str = matchparser_tab[i].str;
 809         }
 810
 811         if (matchtype_str == NULL)
 812                 return NULL;
 813
 814         switch (matcher->matchtype) {
 815         case MATCHTYPE_MATCH:
 816         case MATCHTYPE_MATCHCASE:
 817         case MATCHTYPE_REGEXP:
 818         case MATCHTYPE_REGEXPCASE:
 819                 if (matcher->header)
 820                         matcher_str =
 821                                 g_strdup_printf("%s \"%s\" %s \"%s\"",
 822                                            criteria_str, matcher->header,
 823                                            matchtype_str, matcher->expr);
 824                 else
 825                         matcher_str =
 826                                 g_strdup_printf("%s %s \"%s\"", criteria_str,
 827                                                 matchtype_str, matcher->expr);
 828                 break;
 829         }
 830
 831         return matcher_str;
 832 }
 833
 834 gchar * matcherlist_to_string(MatcherList * matchers)
 835 {
 836         gint count;
 837         gchar ** vstr;
 838         GSList * l;
 839         gchar ** cur_str;
 840         gchar * result;
 841
 842         count = g_slist_length(matchers->matchers);
 843         vstr = g_new(gchar *, count + 1);
 844
 845         for (l = matchers->matchers, cur_str = vstr ; l != NULL ;
 846              l = g_slist_next(l), cur_str ++) {
 847                 *cur_str = matcherprop_to_string((MatcherProp *) l->data);
 848                 if (*cur_str == NULL)
 849                         break;
 850         }
 851         *cur_str = NULL;
 852
 853         if (matchers->bool_and)
 854                 result = g_strjoinv(" & ", vstr);
 855         else
 856                 result = g_strjoinv(" | ", vstr);
 857
 858         for(cur_str = vstr ; *cur_str != NULL ; cur_str ++)
 859                 g_free(*cur_str);
 860         g_free(vstr);
 861
 862         return result;
 863 }
 864
 865 /* matching_build_command() - preferably cmd should be unescaped */
 866 gchar * matching_build_command(gchar * cmd, MsgInfo * info)
 867 {
 868         gchar * s = cmd;
 869         gchar * filename = NULL;
 870         gchar * processed_cmd;
 871         gchar * p;
 872         gint size;
 873
 874         size = strlen(cmd) + 1;
 875         while (*s != '\0') {
 876                 if (*s == '%') {
 877                         s++;
 878                         switch (*s) {
 879                         case '%':
 880                                 size -= 1;
 881                                 break;
 882                         case 's': /* subject */
 883                                 size += strlen(info->subject) - 2;
 884                                 break;
 885                         case 'f': /* from */
 886                                 size += strlen(info->from) - 2;
 887                                 break;
 888                         case 't': /* to */
 889                                 size += strlen(info->to) - 2;
 890                                 break;
 891                         case 'c': /* cc */
 892                                 size += strlen(info->cc) - 2;
 893                                 break;
 894                         case 'd': /* date */
 895                                 size += strlen(info->date) - 2;
 896                                 break;
 897                         case 'i': /* message-id */
 898                                 size += strlen(info->msgid) - 2;
 899                                 break;
 900                         case 'n': /* newsgroups */
 901                                 size += strlen(info->newsgroups) - 2;
 902                                 break;
 903                         case 'r': /* references */
 904                                 size += strlen(info->references) - 2;
 905                                 break;
 906                         case 'F': /* file */
 907                                 filename = folder_item_fetch_msg(info->folder,
 908                                                                  info->msgnum);
 909
 910                                 if (filename == NULL) {
 911                                         g_warning(_("filename is not set"));
 912                                         return NULL;
 913                                 }
 914                                 else
 915                                         size += strlen(filename) - 2;
 916                                 break;
 917                         }
 918                         s++;
 919                 }
 920                 else s++;
 921         }
 922
 923
 924         processed_cmd = g_new0(gchar, size);
 925         s = cmd;
 926         p = processed_cmd;
 927
 928         while (*s != '\0') {
 929                 if (*s == '%') {
 930                         s++;
 931                         switch (*s) {
 932                         case '%':
 933                                 *p = '%';
 934                                 p++;
 935                                 break;
 936                         case 's': /* subject */
 937                                 if (info->subject != NULL)
 938                                         strcpy(p, info->subject);
 939                                 else
 940                                         strcpy(p, _("(none)"));
 941                                 p += strlen(p);
 942                                 break;
 943                         case 'f': /* from */
 944                                 if (info->from != NULL)
 945                                         strcpy(p, info->from);
 946                                 else
 947                                         strcpy(p, _("(none)"));
 948                                 p += strlen(p);
 949                                 break;
 950                         case 't': /* to */
 951                                 if (info->to != NULL)
 952                                         strcpy(p, info->to);
 953                                 else
 954                                         strcpy(p, _("(none)"));
 955                                 p += strlen(p);
 956                                 break;
 957                         case 'c': /* cc */
 958                                 if (info->cc != NULL)
 959                                         strcpy(p, info->cc);
 960                                 else
 961                                         strcpy(p, _("(none)"));
 962                                 p += strlen(p);
 963                                 break;
 964                         case 'd': /* date */
 965                                 if (info->date != NULL)
 966                                         strcpy(p, info->date);
 967                                 else
 968                                         strcpy(p, _("(none)"));
 969                                 p += strlen(p);
 970                                 break;
 971                         case 'i': /* message-id */
 972                                 if (info->msgid != NULL)
 973                                         strcpy(p, info->msgid);
 974                                 else
 975                                         strcpy(p, _("(none)"));
 976                                 p += strlen(p);
 977                                 break;
 978                         case 'n': /* newsgroups */
 979                                 if (info->newsgroups != NULL)
 980                                         strcpy(p, info->newsgroups);
 981                                 else
 982                                         strcpy(p, _("(none)"));
 983                                 p += strlen(p);
 984                                 break;
 985                         case 'r': /* references */
 986                                 if (info->references != NULL)
 987                                         strcpy(p, info->references);
 988                                 else
 989                                         strcpy(p, _("(none)"));
 990                                 p += strlen(p);
 991                                 break;
 992                         case 'F': /* file */
 993                                 strcpy(p, filename);
 994                                 p += strlen(p);
 995                                 break;
 996                         default:
 997                                 *p = '%';
 998                                 p++;
 999                                 *p = *s;
1000                                 p++;
1001                                 break;
1002                         }
1003                         s++;
1004                 }
1005                 else {
1006                         *p = *s;
1007                         p++;
1008                         s++;
1009                 }
1010         }
1011
1012         debug_print("*** exec string \"%s\"\n", processed_cmd);
1013         return processed_cmd;
1014 }
1015
1016 /* ************************************************************ */
1017
1018 static void prefs_scoring_write(FILE * fp, GSList * prefs_scoring)
1019 {
1020         GSList * cur;
1021
1022         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1023                 gchar *scoring_str;
1024                 ScoringProp * prop;
1025
1026                 prop = (ScoringProp *) cur->data;
1027                 scoring_str = scoringprop_to_string(prop);
1028                 if (fputs(scoring_str, fp) == EOF ||
1029                     fputc('\n', fp) == EOF) {
1030                         FILE_OP_ERROR("scoring config", "fputs || fputc");
1031                         g_free(scoring_str);
1032                         return;
1033                 }
1034                 g_free(scoring_str);
1035         }
1036 }
1037
1038 static void prefs_filtering_write(FILE * fp, GSList * prefs_scoring)
1039 {
1040         GSList * cur;
1041
1042         for (cur = prefs_scoring; cur != NULL; cur = cur->next) {
1043                 gchar *filtering_str;
1044                 FilteringProp * prop;
1045
1046                 prop = (FilteringProp *) cur->data;
1047                 filtering_str = filteringprop_to_string(prop);
1048
1049                 if (fputs(filtering_str, fp) == EOF ||
1050                     fputc('\n', fp) == EOF) {
1051                         FILE_OP_ERROR("filtering config", "fputs || fputc");
1052                         g_free(filtering_str);
1053                         return;
1054                 }
1055                 g_free(filtering_str);
1056         }
1057 }
1058
1059 static gboolean prefs_matcher_write_func(GNode *node, gpointer data)
1060 {
1061         FolderItem *item;
1062         FILE * fp = data;
1063         gchar * id;
1064         GSList * prefs_scoring;
1065         GSList * prefs_filtering;
1066
1067         if (node != NULL) {
1068                 item = node->data;
1069                 /* prevent from the warning */
1070                 if (item->path == NULL)
1071                         return FALSE;
1072                 id = folder_item_get_identifier(item);
1073                 if (id == NULL)
1074                         return FALSE;
1075                 prefs_scoring = item->prefs->scoring;
1076                 prefs_filtering = item->prefs->processing;
1077         }
1078         else {
1079                 item = NULL;
1080                 id = g_strdup("global"); /* because it is g_freed */
1081                 prefs_scoring = global_scoring;
1082                 prefs_filtering = global_processing;
1083         }
1084
1085         if (prefs_filtering != NULL || prefs_scoring != NULL) {
1086                 fprintf(fp, "[%s]\n", id);
1087
1088                 prefs_filtering_write(fp, prefs_filtering);
1089                 prefs_scoring_write(fp, prefs_scoring);
1090
1091                 fputc('\n', fp);
1092         }
1093
1094         g_free(id);
1095
1096         return FALSE;
1097 }
1098
1099 static void prefs_matcher_save(FILE * fp)
1100 {
1101         GList * cur;
1102
1103         for (cur = folder_get_list() ; cur != NULL ; cur = g_list_next(cur)) {
1104                 Folder *folder;
1105
1106                 folder = (Folder *) cur->data;
1107                 g_node_traverse(folder->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1,
1108                                 prefs_matcher_write_func, fp);
1109         }
1110         prefs_matcher_write_func(NULL, fp);
1111 }
1112
1113
1114 void prefs_matcher_write_config(void)
1115 {
1116         gchar *rcpath;
1117         PrefFile *pfile;
1118         GSList *cur;
1119         ScoringProp * prop;
1120
1121         debug_print(_("Writing matcher configuration...\n"));
1122
1123         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1124                              MATCHER_RC, NULL);
1125
1126         if ((pfile = prefs_write_open(rcpath)) == NULL) {
1127                 g_warning(_("failed to write configuration to file\n"));
1128                 g_free(rcpath);
1129                 return;
1130         }
1131
1132
1133         prefs_matcher_save(pfile->fp);
1134
1135         g_free(rcpath);
1136
1137         if (prefs_write_close(pfile) < 0) {
1138                 g_warning(_("failed to write configuration to file\n"));
1139                 return;
1140         }
1141 }
1142
1143 /* ******************************************************************* */
1144
1145 void prefs_matcher_read_config(void)
1146 {
1147         gchar * rcpath;
1148         FILE * f;
1149
1150         prefs_scoring_clear();
1151         prefs_filtering_clear();
1152
1153         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, MATCHER_RC, NULL);
1154         f = fopen(rcpath, "r");
1155         g_free(rcpath);
1156
1157         if (f != NULL)
1158                 matcher_parser_start_parsing(f);
1159         else {
1160                 /* previous version compatibily */
1161
1162                 printf("reading filtering\n");
1163                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1164                                      FILTERING_RC, NULL);
1165                 f = fopen(rcpath, "r");
1166                 g_free(rcpath);
1167
1168                 if (f != NULL) {
1169                         matcher_parser_start_parsing(f);
1170                         fclose(matcher_parserin);
1171                 }
1172
1173                 printf("reading scoring\n");
1174                 rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
1175                                      SCORING_RC, NULL);
1176                 f = fopen(rcpath, "r");
1177                 g_free(rcpath);
1178
1179                 if (f != NULL) {
1180                         matcher_parser_start_parsing(f);
1181                         fclose(matcher_parserin);
1182                 }
1183         }
1184 }