src/procmime.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2004 Hiroyuki Yamamoto & The Sylpheed-Claws Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <stdio.h>
  27 #include <glib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <locale.h>
  31 #include <ctype.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <unistd.h>
  35
  36 #include "intl.h"
  37 #include "procmime.h"
  38 #include "procheader.h"
  39 #include "base64.h"
  40 #include "quoted-printable.h"
  41 #include "uuencode.h"
  42 #include "unmime.h"
  43 #include "html.h"
  44 #include "enriched.h"
  45 #include "codeconv.h"
  46 #include "utils.h"
  47 #include "prefs_common.h"
  48
  49 #include "prefs_gtk.h"
  50
  51 static GHashTable *procmime_get_mime_type_table (void);
  52
  53 MimeInfo *procmime_mimeinfo_new(void)
  54 {
  55         MimeInfo *mimeinfo;
  56
  57         mimeinfo = g_new0(MimeInfo, 1);
  58         mimeinfo->type          = MIMETYPE_UNKNOWN;
  59         mimeinfo->encoding_type = ENC_UNKNOWN;
  60         mimeinfo->disposition   = DISPOSITIONTYPE_UNKNOWN;
  61
  62         mimeinfo->parameters = g_hash_table_new(g_str_hash, g_str_equal);
  63         mimeinfo->node       = g_node_new(mimeinfo);
  64
  65         return mimeinfo;
  66 }
  67
  68 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
  69 {
  70         g_free(key);
  71         g_free(value);
  72
  73         return TRUE;
  74 }
  75
  76 static gboolean free_func(GNode *node, gpointer data)
  77 {
  78         MimeInfo *mimeinfo = (MimeInfo *) node->data;
  79
  80         if (mimeinfo->tmpfile)
  81                 unlink(mimeinfo->filename);
  82         g_free(mimeinfo->filename);
  83
  84         g_free(mimeinfo->subtype);
  85         g_free(mimeinfo->description);
  86         g_free(mimeinfo->id);
  87
  88         g_hash_table_foreach_remove(mimeinfo->parameters, procmime_mimeinfo_parameters_destroy, NULL);
  89         g_hash_table_destroy(mimeinfo->parameters);
  90
  91         if (mimeinfo->privacy)
  92                 privacy_free_privacydata(mimeinfo->privacy);
  93
  94         g_free(mimeinfo);
  95
  96         return FALSE;
  97 }
  98
  99 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
 100 {
 101         GNode *node;
 102
 103         if (!mimeinfo)
 104                 return;
 105
 106         node = mimeinfo->node;
 107         g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
 108
 109         g_node_destroy(node);
 110 }
 111
 112 #if 0 /* UNUSED */
 113 MimeInfo *procmime_mimeinfo_insert(MimeInfo *parent, MimeInfo *mimeinfo)
 114 {
 115         MimeInfo *child = parent->children;
 116
 117         if (!child)
 118                 parent->children = mimeinfo;
 119         else {
 120                 while (child->next != NULL)
 121                         child = child->next;
 122
 123                 child->next = mimeinfo;
 124         }
 125
 126         mimeinfo->parent = parent;
 127         mimeinfo->level = parent->level + 1;
 128
 129         return mimeinfo;
 130 }
 131
 132 void procmime_mimeinfo_replace(MimeInfo *old, MimeInfo *new)
 133 {
 134         MimeInfo *parent = old->parent;
 135         MimeInfo *child;
 136
 137         g_return_if_fail(parent != NULL);
 138         g_return_if_fail(new->next == NULL);
 139
 140         for (child = parent->children; child && child != old;
 141              child = child->next)
 142                 ;
 143         if (!child) {
 144                 g_warning("oops: parent can't find it's own child");
 145                 return;
 146         }
 147         procmime_mimeinfo_free_all(old);
 148
 149         if (child == parent->children) {
 150                 new->next = parent->children->next;
 151                 parent->children = new;
 152         } else {
 153                 new->next = child->next;
 154                 child = new;
 155         }
 156 }
 157 #endif
 158
 159 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
 160 {
 161         g_return_val_if_fail(mimeinfo != NULL, NULL);
 162         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 163
 164         if (mimeinfo->node->parent == NULL)
 165                 return NULL;
 166         return (MimeInfo *) mimeinfo->node->parent->data;
 167 }
 168
 169 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
 170 {
 171         g_return_val_if_fail(mimeinfo != NULL, NULL);
 172         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 173
 174         if (mimeinfo->node->children)
 175                 return (MimeInfo *) mimeinfo->node->children->data;
 176         if (mimeinfo->node->next)
 177                 return (MimeInfo *) mimeinfo->node->next->data;
 178
 179         if (mimeinfo->node->parent == NULL)
 180                 return NULL;
 181
 182         while (mimeinfo->node->parent != NULL) {
 183                 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
 184                 if (mimeinfo->node->next)
 185                         return (MimeInfo *) mimeinfo->node->next->data;
 186         }
 187
 188         return NULL;
 189 }
 190
 191 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
 192 {
 193         gchar *filename;
 194         MimeInfo *mimeinfo;
 195
 196         filename = procmsg_get_message_file(msginfo);
 197         if (!filename)
 198                 return NULL;
 199         if (msginfo->folder->stype != F_QUEUE &&
 200             msginfo->folder->stype != F_DRAFT)
 201                 mimeinfo = procmime_scan_file(filename);
 202         else
 203                 mimeinfo = procmime_scan_queue_file(filename);
 204         g_free(filename);
 205
 206         return mimeinfo;
 207 }
 208
 209 enum
 210 {
 211         H_CONTENT_TRANSFER_ENCODING = 0,
 212         H_CONTENT_TYPE              = 1,
 213         H_CONTENT_DISPOSITION       = 2,
 214         H_CONTENT_DESCRIPTION       = 3,
 215         H_SUBJECT                   = 4
 216 };
 217
 218 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
 219 {
 220         g_return_val_if_fail(mimeinfo != NULL, NULL);
 221         g_return_val_if_fail(name != NULL, NULL);
 222
 223         return g_hash_table_lookup(mimeinfo->parameters, name);
 224 }
 225
 226 gboolean procmime_decode_content(MimeInfo *mimeinfo)
 227 {
 228         gchar buf[BUFFSIZE];
 229         gint readend;
 230         gchar *tmpfilename;
 231         FILE *outfp, *infp;
 232         struct stat statbuf;
 233
 234         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 235
 236         if (mimeinfo->encoding_type == ENC_BINARY)
 237                 return TRUE;
 238
 239         infp = fopen(mimeinfo->filename, "rb");
 240         if (!infp) {
 241                 perror("fopen");
 242                 return FALSE;
 243         }
 244         fseek(infp, mimeinfo->offset, SEEK_SET);
 245
 246         outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
 247         if (!outfp) {
 248                 perror("tmpfile");
 249                 return FALSE;
 250         }
 251
 252         readend = mimeinfo->offset + mimeinfo->length;
 253
 254         if (mimeinfo->encoding_type == ENC_QUOTED_PRINTABLE) {
 255                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 256                         gint len;
 257                         len = qp_decode_line(buf);
 258                         fwrite(buf, len, 1, outfp);
 259                 }
 260         } else if (mimeinfo->encoding_type == ENC_BASE64) {
 261                 gchar outbuf[BUFFSIZE];
 262                 gint len;
 263                 Base64Decoder *decoder;
 264
 265                 decoder = base64_decoder_new();
 266                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 267                         len = base64_decoder_decode(decoder, buf, outbuf);
 268                         if (len < 0) {
 269                                 g_warning("Bad BASE64 content\n");
 270                                 break;
 271                         }
 272                         fwrite(outbuf, sizeof(gchar), len, outfp);
 273                 }
 274                 base64_decoder_free(decoder);
 275         } else if (mimeinfo->encoding_type == ENC_X_UUENCODE) {
 276                 gchar outbuf[BUFFSIZE];
 277                 gint len;
 278                 gboolean flag = FALSE;
 279
 280                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 281                         if (!flag && strncmp(buf,"begin ", 6)) continue;
 282
 283                         if (flag) {
 284                                 len = fromuutobits(outbuf, buf);
 285                                 if (len <= 0) {
 286                                         if (len < 0)
 287                                                 g_warning("Bad UUENCODE content(%d)\n", len);
 288                                         break;
 289                                 }
 290                                 fwrite(outbuf, sizeof(gchar), len, outfp);
 291                         } else
 292                                 flag = TRUE;
 293                 }
 294         } else {
 295                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 296                         fputs(buf, outfp);
 297                 }
 298         }
 299
 300         fclose(outfp);
 301         fclose(infp);
 302
 303         stat(tmpfilename, &statbuf);
 304         if (mimeinfo->tmpfile)
 305                 unlink(mimeinfo->filename);
 306         g_free(mimeinfo->filename);
 307         mimeinfo->filename = tmpfilename;
 308         mimeinfo->tmpfile = TRUE;
 309         mimeinfo->offset = 0;
 310         mimeinfo->length = statbuf.st_size;
 311         mimeinfo->encoding_type = ENC_BINARY;
 312
 313         return TRUE;
 314 }
 315
 316 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
 317 {
 318         FILE *infp, *outfp;
 319         gchar buf[BUFFSIZE];
 320         gint restlength, readlength;
 321
 322         g_return_val_if_fail(outfile != NULL, -1);
 323         g_return_val_if_fail(mimeinfo != NULL, -1);
 324
 325         if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
 326                 return -1;
 327
 328         if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
 329                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
 330                 return -1;
 331         }
 332         if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
 333                 FILE_OP_ERROR(mimeinfo->filename, "fseek");
 334                 fclose(infp);
 335                 return -1;
 336         }
 337         if ((outfp = fopen(outfile, "wb")) == NULL) {
 338                 FILE_OP_ERROR(outfile, "fopen");
 339                 fclose(infp);
 340                 return -1;
 341         }
 342
 343         restlength = mimeinfo->length;
 344
 345         while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
 346                 fwrite(buf, 1, readlength, outfp);
 347                 restlength -= readlength;
 348         }
 349
 350         fclose(infp);
 351         if (fclose(outfp) == EOF) {
 352                 FILE_OP_ERROR(outfile, "fclose");
 353                 unlink(outfile);
 354                 return -1;
 355         }
 356
 357         return 0;
 358 }
 359
 360 struct ContentRenderer {
 361         char * content_type;
 362         char * renderer;
 363 };
 364
 365 static GList * renderer_list = NULL;
 366
 367 static struct ContentRenderer *
 368 content_renderer_new(char * content_type, char * renderer)
 369 {
 370         struct ContentRenderer * cr;
 371
 372         cr = g_new(struct ContentRenderer, 1);
 373         if (cr == NULL)
 374                 return NULL;
 375
 376         cr->content_type = g_strdup(content_type);
 377         cr->renderer = g_strdup(renderer);
 378
 379         return cr;
 380 }
 381
 382 static void content_renderer_free(struct ContentRenderer * cr)
 383 {
 384         g_free(cr->content_type);
 385         g_free(cr->renderer);
 386         g_free(cr);
 387 }
 388
 389 void renderer_read_config(void)
 390 {
 391         gchar buf[BUFFSIZE];
 392         FILE * f;
 393         gchar * rcpath;
 394
 395         g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
 396         renderer_list = NULL;
 397
 398         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 399         f = fopen(rcpath, "rb");
 400         g_free(rcpath);
 401
 402         if (f == NULL)
 403                 return;
 404
 405         while (fgets(buf, BUFFSIZE, f)) {
 406                 char * p;
 407                 struct ContentRenderer * cr;
 408
 409                 strretchomp(buf);
 410                 p = strchr(buf, ' ');
 411                 if (p == NULL)
 412                         continue;
 413                 * p = 0;
 414
 415                 cr = content_renderer_new(buf, p + 1);
 416                 if (cr == NULL)
 417                         continue;
 418
 419                 renderer_list = g_list_append(renderer_list, cr);
 420         }
 421
 422         fclose(f);
 423 }
 424
 425 void renderer_write_config(void)
 426 {
 427         gchar * rcpath;
 428         PrefFile *pfile;
 429         GList * cur;
 430
 431         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 432
 433         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 434                 g_warning("failed to write configuration to file\n");
 435                 g_free(rcpath);
 436                 return;
 437         }
 438
 439         g_free(rcpath);
 440
 441         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 442                 struct ContentRenderer * renderer;
 443                 renderer = cur->data;
 444                 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
 445                         renderer->renderer);
 446         }
 447
 448         if (prefs_file_close(pfile) < 0) {
 449                 g_warning("failed to write configuration to file\n");
 450                 return;
 451         }
 452 }
 453
 454 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 455 {
 456         FILE *tmpfp, *outfp;
 457         const gchar *src_codeset;
 458         gboolean conv_fail = FALSE;
 459         gchar buf[BUFFSIZE];
 460         gchar *str;
 461         struct ContentRenderer * renderer;
 462         GList * cur;
 463         gchar *tmpfile, *content_type;
 464
 465         g_return_val_if_fail(mimeinfo != NULL, NULL);
 466
 467         if (!procmime_decode_content(mimeinfo))
 468                 return NULL;
 469
 470         tmpfile = procmime_get_tmp_file_name(mimeinfo);
 471         if (tmpfile == NULL)
 472                 return NULL;
 473
 474         if (procmime_get_part(tmpfile, mimeinfo) < 0) {
 475                 g_free(tmpfile);
 476                 return NULL;
 477         }
 478
 479         tmpfp = fopen(tmpfile, "rb");
 480         if (tmpfp == NULL) {
 481                 g_free(tmpfile);
 482                 return NULL;
 483         }
 484
 485         if ((outfp = my_tmpfile()) == NULL) {
 486                 perror("tmpfile");
 487                 fclose(tmpfp);
 488                 g_free(tmpfile);
 489                 return NULL;
 490         }
 491
 492         src_codeset = prefs_common.force_charset
 493                 ? prefs_common.force_charset :
 494                 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 495
 496         renderer = NULL;
 497
 498         content_type = procmime_get_content_type_str(mimeinfo->type,
 499                                                      mimeinfo->subtype);
 500         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 501                 struct ContentRenderer * cr;
 502
 503                 cr = cur->data;
 504                 if (g_strcasecmp(cr->content_type, content_type) == 0) {
 505                         renderer = cr;
 506                         break;
 507                 }
 508         }
 509         g_free(content_type);
 510
 511         if (renderer != NULL) {
 512                 FILE * p;
 513                 int oldout;
 514
 515                 oldout = dup(1);
 516
 517                 dup2(fileno(outfp), 1);
 518
 519                 p = popen(renderer->renderer, "w");
 520                 if (p != NULL) {
 521                         size_t count;
 522
 523                         while ((count =
 524                                 fread(buf, sizeof(char), sizeof(buf),
 525                                       tmpfp)) > 0)
 526                                 fwrite(buf, sizeof(char), count, p);
 527                         pclose(p);
 528                 }
 529
 530                 dup2(oldout, 1);
 531 #warning FIXME_GTK2 HTML/RTF not yet utf8
 532 /* CodeConverter seems to have no effect here */
 533         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "html")) {
 534                 HTMLParser *parser;
 535                 CodeConverter *conv;
 536
 537                 conv = conv_code_converter_new(src_codeset);
 538                 parser = html_parser_new(tmpfp, conv);
 539                 while ((str = html_parse(parser)) != NULL) {
 540                         fputs(str, outfp);
 541                 }
 542                 html_parser_destroy(parser);
 543                 conv_code_converter_destroy(conv);
 544         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "enriched")) {
 545                 ERTFParser *parser;
 546                 CodeConverter *conv;
 547
 548                 conv = conv_code_converter_new(src_codeset);
 549                 parser = ertf_parser_new(tmpfp, conv);
 550                 while ((str = ertf_parse(parser)) != NULL) {
 551                         fputs(str, outfp);
 552                 }
 553                 ertf_parser_destroy(parser);
 554                 conv_code_converter_destroy(conv);
 555         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 556                 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
 557                         str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
 558                         if (str) {
 559                                 fputs(str, outfp);
 560                                 g_free(str);
 561                         } else {
 562                                 conv_fail = TRUE;
 563                                 fputs(buf, outfp);
 564                         }
 565                 }
 566         }
 567
 568         if (conv_fail)
 569                 g_warning("procmime_get_text_content(): Code conversion failed.\n");
 570
 571         fclose(tmpfp);
 572         rewind(outfp);
 573         unlink(tmpfile);
 574         g_free(tmpfile);
 575
 576         return outfp;
 577 }
 578
 579 /* search the first text part of (multipart) MIME message,
 580    decode, convert it and output to outfp. */
 581 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
 582 {
 583         FILE *outfp = NULL;
 584         MimeInfo *mimeinfo, *partinfo;
 585
 586         g_return_val_if_fail(msginfo != NULL, NULL);
 587
 588         mimeinfo = procmime_scan_message(msginfo);
 589         if (!mimeinfo) return NULL;
 590
 591         partinfo = mimeinfo;
 592         while (partinfo && partinfo->type != MIMETYPE_TEXT)
 593                 partinfo = procmime_mimeinfo_next(partinfo);
 594
 595         if (partinfo)
 596                 outfp = procmime_get_text_content(partinfo);
 597
 598         procmime_mimeinfo_free_all(mimeinfo);
 599
 600         return outfp;
 601 }
 602
 603 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
 604                                    const gchar *str, gboolean case_sens)
 605 {
 606         FILE *outfp;
 607         gchar buf[BUFFSIZE];
 608         gchar *(* StrFindFunc) (const gchar *haystack, const gchar *needle);
 609
 610         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 611         g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
 612         g_return_val_if_fail(str != NULL, FALSE);
 613
 614         outfp = procmime_get_text_content(mimeinfo);
 615
 616         if (!outfp)
 617                 return FALSE;
 618
 619         if (case_sens)
 620                 StrFindFunc = strstr;
 621         else
 622                 StrFindFunc = strcasestr;
 623
 624         while (fgets(buf, sizeof(buf), outfp) != NULL) {
 625                 if (StrFindFunc(buf, str) != NULL) {
 626                         fclose(outfp);
 627                         return TRUE;
 628                 }
 629         }
 630
 631         fclose(outfp);
 632
 633         return FALSE;
 634 }
 635
 636 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
 637                               gboolean case_sens)
 638 {
 639         MimeInfo *mimeinfo;
 640         MimeInfo *partinfo;
 641         gchar *filename;
 642         gboolean found = FALSE;
 643
 644         g_return_val_if_fail(msginfo != NULL, FALSE);
 645         g_return_val_if_fail(str != NULL, FALSE);
 646
 647         filename = procmsg_get_message_file(msginfo);
 648         if (!filename) return FALSE;
 649         mimeinfo = procmime_scan_message(msginfo);
 650
 651         for (partinfo = mimeinfo; partinfo != NULL;
 652              partinfo = procmime_mimeinfo_next(partinfo)) {
 653                 if (partinfo->type == MIMETYPE_TEXT) {
 654                         if (procmime_find_string_part
 655                                 (partinfo, filename, str, case_sens) == TRUE) {
 656                                 found = TRUE;
 657                                 break;
 658                         }
 659                 }
 660         }
 661
 662         procmime_mimeinfo_free_all(mimeinfo);
 663         g_free(filename);
 664
 665         return found;
 666 }
 667
 668 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
 669 {
 670         static guint32 id = 0;
 671         const gchar *base;
 672         gchar *filename;
 673         gchar f_prefix[10];
 674
 675         g_return_val_if_fail(mimeinfo != NULL, NULL);
 676
 677         g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
 678
 679         if ((mimeinfo->type == MIMETYPE_TEXT) && !g_strcasecmp(mimeinfo->subtype, "html"))
 680                 base = "mimetmp.html";
 681         else {
 682                 const gchar *basetmp;
 683
 684                 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 685                 if (basetmp == NULL)
 686                         basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 687                 if (basetmp == NULL)
 688                         basetmp = "mimetmp";
 689                 base = g_basename(basetmp);
 690                 if (*base == '\0') base = "mimetmp";
 691                 Xstrdup_a(base, base, return NULL);
 692                 subst_for_shellsafe_filename(base);
 693         }
 694
 695         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 696                                f_prefix, base, NULL);
 697
 698         return filename;
 699 }
 700
 701 static GList *mime_type_list = NULL;
 702
 703 gchar *procmime_get_mime_type(const gchar *filename)
 704 {
 705         static GHashTable *mime_type_table = NULL;
 706         MimeType *mime_type;
 707         const gchar *p;
 708         gchar *ext;
 709
 710         if (!mime_type_table) {
 711                 mime_type_table = procmime_get_mime_type_table();
 712                 if (!mime_type_table) return NULL;
 713         }
 714
 715         filename = g_basename(filename);
 716         p = strrchr(filename, '.');
 717         if (!p) return NULL;
 718
 719         Xstrdup_a(ext, p + 1, return NULL);
 720         g_strdown(ext);
 721         mime_type = g_hash_table_lookup(mime_type_table, ext);
 722         if (mime_type) {
 723                 gchar *str;
 724
 725                 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
 726                                   NULL);
 727                 return str;
 728         }
 729
 730         return NULL;
 731 }
 732
 733 static guint procmime_str_hash(gconstpointer gptr)
 734 {
 735         guint hash_result = 0;
 736         const char *str;
 737
 738         for (str = gptr; str && *str; str++) {
 739                 if (isupper(*str)) hash_result += (*str + ' ');
 740                 else hash_result += *str;
 741         }
 742
 743         return hash_result;
 744 }
 745
 746 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
 747 {
 748         const char *str1 = gptr1;
 749         const char *str2 = gptr2;
 750
 751         return !strcasecmp(str1, str2);
 752 }
 753
 754 static GHashTable *procmime_get_mime_type_table(void)
 755 {
 756         GHashTable *table = NULL;
 757         GList *cur;
 758         MimeType *mime_type;
 759         gchar **exts;
 760
 761         if (!mime_type_list) {
 762                 mime_type_list = procmime_get_mime_type_list();
 763                 if (!mime_type_list) return NULL;
 764         }
 765
 766         table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
 767
 768         for (cur = mime_type_list; cur != NULL; cur = cur->next) {
 769                 gint i;
 770                 gchar *key;
 771
 772                 mime_type = (MimeType *)cur->data;
 773
 774                 if (!mime_type->extension) continue;
 775
 776                 exts = g_strsplit(mime_type->extension, " ", 16);
 777                 for (i = 0; exts[i] != NULL; i++) {
 778                         /* make the key case insensitive */
 779                         g_strdown(exts[i]);
 780                         /* use previously dup'd key on overwriting */
 781                         if (g_hash_table_lookup(table, exts[i]))
 782                                 key = exts[i];
 783                         else
 784                                 key = g_strdup(exts[i]);
 785                         g_hash_table_insert(table, key, mime_type);
 786                 }
 787                 g_strfreev(exts);
 788         }
 789
 790         return table;
 791 }
 792
 793 GList *procmime_get_mime_type_list(void)
 794 {
 795         GList *list = NULL;
 796         FILE *fp;
 797         gchar buf[BUFFSIZE];
 798         guchar *p;
 799         gchar *delim;
 800         MimeType *mime_type;
 801
 802         if (mime_type_list)
 803                 return mime_type_list;
 804
 805         if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
 806                 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
 807                         FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
 808                         return NULL;
 809                 }
 810         }
 811
 812         while (fgets(buf, sizeof(buf), fp) != NULL) {
 813                 p = strchr(buf, '#');
 814                 if (p) *p = '\0';
 815                 g_strstrip(buf);
 816
 817                 p = buf;
 818                 while (*p && !isspace(*p)) p++;
 819                 if (*p) {
 820                         *p = '\0';
 821                         p++;
 822                 }
 823                 delim = strchr(buf, '/');
 824                 if (delim == NULL) continue;
 825                 *delim = '\0';
 826
 827                 mime_type = g_new(MimeType, 1);
 828                 mime_type->type = g_strdup(buf);
 829                 mime_type->sub_type = g_strdup(delim + 1);
 830
 831                 while (*p && isspace(*p)) p++;
 832                 if (*p)
 833                         mime_type->extension = g_strdup(p);
 834                 else
 835                         mime_type->extension = NULL;
 836
 837                 list = g_list_append(list, mime_type);
 838         }
 839
 840         fclose(fp);
 841
 842         if (!list)
 843                 g_warning("Can't read mime.types\n");
 844
 845         return list;
 846 }
 847
 848 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
 849 {
 850         if (!charset)
 851                 return ENC_8BIT;
 852         else if (!strncasecmp(charset, "ISO-2022-", 9) ||
 853                  !strcasecmp(charset, "US-ASCII"))
 854                 return ENC_7BIT;
 855         else if (!strcasecmp(charset, "ISO-8859-5") ||
 856                  !strncasecmp(charset, "KOI8-", 5) ||
 857                  !strcasecmp(charset, "Windows-1251"))
 858                 return ENC_8BIT;
 859         else if (!strncasecmp(charset, "ISO-8859-", 9))
 860                 return ENC_QUOTED_PRINTABLE;
 861         else
 862                 return ENC_8BIT;
 863 }
 864
 865 EncodingType procmime_get_encoding_for_file(const gchar *file)
 866 {
 867         FILE *fp;
 868         guchar buf[BUFSIZ];
 869         size_t len;
 870
 871         if ((fp = fopen(file, "rb")) == NULL) {
 872                 FILE_OP_ERROR(file, "fopen");
 873                 return ENC_UNKNOWN;
 874         }
 875
 876         while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
 877                 guchar *p;
 878                 gint i;
 879
 880                 for (p = buf, i = 0; i < len; p++, i++) {
 881                         if (*p & 0x80) {
 882                                 fclose(fp);
 883                                 return ENC_BASE64;
 884                         }
 885                 }
 886         }
 887
 888         fclose(fp);
 889         return ENC_7BIT;
 890 }
 891
 892 struct EncodingTable
 893 {
 894         gchar *str;
 895         EncodingType enc_type;
 896 };
 897
 898 struct EncodingTable encoding_table[] = {
 899         {"7bit", ENC_7BIT},
 900         {"8bit", ENC_8BIT},
 901         {"binary", ENC_BINARY},
 902         {"quoted-printable", ENC_QUOTED_PRINTABLE},
 903         {"base64", ENC_BASE64},
 904         {"x-uuencode", ENC_UNKNOWN},
 905         {NULL, ENC_UNKNOWN},
 906 };
 907
 908 const gchar *procmime_get_encoding_str(EncodingType encoding)
 909 {
 910         struct EncodingTable *enc_table;
 911
 912         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
 913                 if (enc_table->enc_type == encoding)
 914                         return enc_table->str;
 915         }
 916         return NULL;
 917 }
 918
 919 /* --- NEW MIME STUFF --- */
 920 struct TypeTable
 921 {
 922         gchar *str;
 923         MimeMediaType type;
 924 };
 925
 926 static struct TypeTable mime_type_table[] = {
 927         {"text", MIMETYPE_TEXT},
 928         {"image", MIMETYPE_IMAGE},
 929         {"audio", MIMETYPE_AUDIO},
 930         {"video", MIMETYPE_VIDEO},
 931         {"application", MIMETYPE_APPLICATION},
 932         {"message", MIMETYPE_MESSAGE},
 933         {"multipart", MIMETYPE_MULTIPART},
 934         {NULL, 0},
 935 };
 936
 937 const gchar *procmime_get_type_str(MimeMediaType type)
 938 {
 939         struct TypeTable *type_table;
 940
 941         for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
 942                 if (type_table->type == type)
 943                         return type_table->str;
 944         }
 945         return NULL;
 946 }
 947
 948 /*!
 949  *\brief        Safe wrapper for content type string.
 950  *
 951  *\return       const gchar * Pointer to content type string.
 952  */
 953 gchar *procmime_get_content_type_str(MimeMediaType type,
 954                                            const char *subtype)
 955 {
 956         const gchar *type_str = NULL;
 957
 958         if (subtype == NULL || !(type_str = procmime_get_type_str(type)))
 959                 return g_strdup("unknown");
 960         return g_strdup_printf("%s/%s", type_str, subtype);
 961 }
 962
 963 void procmime_parse_mimepart(MimeInfo *parent,
 964                              gchar *content_type,
 965                              gchar *content_encoding,
 966                              gchar *content_description,
 967                              gchar *content_id,
 968                              gchar *content_disposition,
 969                              const gchar *filename,
 970                              guint offset,
 971                              guint length);
 972
 973 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
 974 {
 975         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
 976                                 {"Content-Transfer-Encoding:",
 977                                                    NULL, FALSE},
 978                                 {"Content-Description:",
 979                                                    NULL, TRUE},
 980                                 {"Content-ID:",
 981                                                    NULL, TRUE},
 982                                 {"Content-Disposition:",
 983                                                    NULL, TRUE},
 984                                 {"MIME-Version:",
 985                                                    NULL, TRUE},
 986                                 {NULL,             NULL, FALSE}};
 987         guint content_start, i;
 988         FILE *fp;
 989         gint mime_major, mime_minor;
 990
 991         if (mimeinfo->encoding_type != ENC_BINARY &&
 992            mimeinfo->encoding_type != ENC_7BIT &&
 993            mimeinfo->encoding_type != ENC_8BIT)
 994                 procmime_decode_content(mimeinfo);
 995
 996         fp = fopen(mimeinfo->filename, "rb");
 997         if (fp == NULL) {
 998                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
 999                 return;
1000         }
1001         fseek(fp, mimeinfo->offset, SEEK_SET);
1002         procheader_get_header_fields(fp, hentry);
1003         if (hentry[0].body != NULL)
1004                 conv_unmime_header_overwrite(hentry[0].body);
1005         if (hentry[2].body != NULL)
1006                 conv_unmime_header_overwrite(hentry[2].body);
1007         if (hentry[4].body != NULL)
1008                 conv_unmime_header_overwrite(hentry[4].body);
1009         content_start = ftell(fp);
1010         fclose(fp);
1011
1012         if ((hentry[5].body != NULL) &&
1013             (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1014             (mime_major == 1) && (mime_minor == 0)) {
1015                 procmime_parse_mimepart(mimeinfo,
1016                                         hentry[0].body, hentry[1].body,
1017                                         hentry[2].body, hentry[3].body,
1018                                         hentry[4].body,
1019                                         mimeinfo->filename, content_start,
1020                                         mimeinfo->length - (content_start - mimeinfo->offset));
1021         } else {
1022                 MimeInfo *subinfo;
1023
1024                 subinfo = procmime_mimeinfo_new();
1025                 subinfo->encoding_type = ENC_BINARY;
1026                 subinfo->type = MIMETYPE_TEXT;
1027                 subinfo->subtype = g_strdup("plain");
1028                 subinfo->filename = g_strdup(mimeinfo->filename);
1029                 subinfo->offset = content_start;
1030                 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1031
1032                 g_node_append(mimeinfo->node, subinfo->node);
1033         }
1034         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1035                 g_free(hentry[i].body);
1036                 hentry[i].body = NULL;
1037         }
1038 }
1039
1040 void procmime_parse_multipart(MimeInfo *mimeinfo)
1041 {
1042         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1043                                 {"Content-Transfer-Encoding:",
1044                                                    NULL, FALSE},
1045                                 {"Content-Description:",
1046                                                    NULL, TRUE},
1047                                 {"Content-ID:",
1048                                                    NULL, TRUE},
1049                                 {"Content-Disposition:",
1050                                                    NULL, TRUE},
1051                                 {NULL,             NULL, FALSE}};
1052         gchar *p;
1053         gchar *boundary;
1054         gint boundary_len = 0, lastoffset = -1, i;
1055         gchar buf[BUFFSIZE];
1056         FILE *fp;
1057
1058         boundary = g_hash_table_lookup(mimeinfo->parameters, "boundary");
1059         if (!boundary)
1060                 return;
1061         boundary_len = strlen(boundary);
1062
1063         if (mimeinfo->encoding_type != ENC_BINARY &&
1064             mimeinfo->encoding_type != ENC_7BIT &&
1065             mimeinfo->encoding_type != ENC_8BIT)
1066                 procmime_decode_content(mimeinfo);
1067
1068         fp = fopen(mimeinfo->filename, "rb");
1069         if (fp == NULL) {
1070                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1071                 return;
1072         }
1073         fseek(fp, mimeinfo->offset, SEEK_SET);
1074         while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1075                 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1076                         break;
1077
1078                 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1079                         if (lastoffset != -1) {
1080                                 procmime_parse_mimepart(mimeinfo,
1081                                                         hentry[0].body, hentry[1].body,
1082                                                         hentry[2].body, hentry[3].body,
1083                                                         hentry[4].body,
1084                                                         mimeinfo->filename, lastoffset,
1085                                                         (ftell(fp) - strlen(buf)) - lastoffset);
1086                         }
1087
1088                         if (buf[2 + boundary_len]     == '-' &&
1089                             buf[2 + boundary_len + 1] == '-')
1090                                 break;
1091
1092                         for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1093                                 g_free(hentry[i].body);
1094                                 hentry[i].body = NULL;
1095                         }
1096                         procheader_get_header_fields(fp, hentry);
1097                         if (hentry[0].body != NULL)
1098                                 conv_unmime_header_overwrite(hentry[0].body);
1099                         if (hentry[2].body != NULL)
1100                                 conv_unmime_header_overwrite(hentry[2].body);
1101                         if (hentry[4].body != NULL)
1102                                 conv_unmime_header_overwrite(hentry[4].body);
1103                         lastoffset = ftell(fp);
1104                 }
1105         }
1106         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1107                 g_free(hentry[i].body);
1108                 hentry[i].body = NULL;
1109         }
1110         fclose(fp);
1111 }
1112
1113 static void add_to_mimeinfo_parameters(gchar **parts, MimeInfo *mimeinfo)
1114 {
1115         gchar **strarray;
1116
1117         for (strarray = parts; *strarray != NULL; strarray++) {
1118                 gchar **parameters_parts;
1119
1120                 parameters_parts = g_strsplit(*strarray, "=", 2);
1121                 if ((parameters_parts[0] != NULL) && (parameters_parts[1] != NULL)) {
1122                         gchar *firstspace;
1123
1124                         g_strstrip(parameters_parts[0]);
1125                         g_strstrip(parameters_parts[1]);
1126                         g_strdown(parameters_parts[0]);
1127                         if (parameters_parts[1][0] == '"')
1128                                 extract_quote(parameters_parts[1], '"');
1129                         else if ((firstspace = strchr(parameters_parts[1], ' ')) != NULL)
1130                                 *firstspace = '\0';
1131                         if (g_hash_table_lookup(mimeinfo->parameters,
1132                                                parameters_parts[0]) == NULL)
1133                                 g_hash_table_insert(mimeinfo->parameters,
1134                                                     g_strdup(parameters_parts[0]),
1135                                                     g_strdup(parameters_parts[1]));
1136                 }
1137                 g_strfreev(parameters_parts);
1138         }
1139 }
1140
1141 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1142 {
1143         gchar **content_type_parts;
1144         gchar **strarray;
1145         gchar *str;
1146         struct TypeTable *typetablearray;
1147
1148         g_return_if_fail(content_type != NULL);
1149         g_return_if_fail(mimeinfo != NULL);
1150
1151         /* Split content type into parts and remove trailing
1152            and leading whitespaces from all strings */
1153         content_type_parts = g_strsplit(content_type, ";", 0);
1154         for (strarray = content_type_parts; *strarray != NULL; strarray++) {
1155                 g_strstrip(*strarray);
1156         }
1157
1158         /* Get mimeinfo->type and mimeinfo->subtype */
1159         str = content_type_parts[0];
1160         /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1161          * if it's not available we use the default Content-Type */
1162         if ((str == NULL) || (str[0] == '\0') || (strchr(str, '/') == NULL)) {
1163                 mimeinfo->type = MIMETYPE_TEXT;
1164                 mimeinfo->subtype = g_strdup("plain");
1165                 if (g_hash_table_lookup(mimeinfo->parameters,
1166                                        "charset") == NULL)
1167                         g_hash_table_insert(mimeinfo->parameters,
1168                                             g_strdup("charset"),
1169                                             g_strdup("us-ascii"));
1170         } else {
1171                 mimeinfo->type = MIMETYPE_UNKNOWN;
1172                 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++) {
1173                         if (g_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0 &&
1174                             str[strlen(typetablearray->str)] == '/') {
1175                                 mimeinfo->type = typetablearray->type;
1176                                 mimeinfo->subtype = g_strdup(str + strlen(typetablearray->str) + 1);
1177                                 break;
1178                         }
1179                 }
1180
1181                 /* Get mimeinfo->parmeters */
1182                 add_to_mimeinfo_parameters(&content_type_parts[1], mimeinfo);
1183         }
1184
1185         g_strfreev(content_type_parts);
1186 }
1187
1188 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1189 {
1190         gchar **content_disp_parts;
1191         gchar **strarray;
1192         gchar *str;
1193
1194         g_return_if_fail(content_disposition != NULL);
1195         g_return_if_fail(mimeinfo != NULL);
1196
1197         /* Split into parts and remove trailing
1198            and leading whitespaces from all strings */
1199         content_disp_parts = g_strsplit(content_disposition, ";", 0);
1200         for (strarray = content_disp_parts; *strarray != NULL; strarray++) {
1201                 g_strstrip(*strarray);
1202         }
1203         /* Get mimeinfo->disposition */
1204         str = content_disp_parts[0];
1205         if (str == NULL) {
1206                 g_strfreev(content_disp_parts);
1207                 return;
1208         }
1209         if (!g_strcasecmp(str, "inline"))
1210                 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1211         else if (!g_strcasecmp(str, "attachment"))
1212                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1213         else
1214                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1215
1216         add_to_mimeinfo_parameters(&content_disp_parts[1], mimeinfo);
1217         g_strfreev(content_disp_parts);
1218 }
1219
1220
1221 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1222 {
1223         struct EncodingTable *enc_table;
1224
1225         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1226                 if (g_strcasecmp(enc_table->str, content_encoding) == 0) {
1227                         mimeinfo->encoding_type = enc_table->enc_type;
1228                         return;
1229                 }
1230         }
1231         mimeinfo->encoding_type = ENC_UNKNOWN;
1232         return;
1233 }
1234
1235 void procmime_parse_mimepart(MimeInfo *parent,
1236                              gchar *content_type,
1237                              gchar *content_encoding,
1238                              gchar *content_description,
1239                              gchar *content_id,
1240                              gchar *content_disposition,
1241                              const gchar *filename,
1242                              guint offset,
1243                              guint length)
1244 {
1245         MimeInfo *mimeinfo;
1246
1247         /* Create MimeInfo */
1248         mimeinfo = procmime_mimeinfo_new();
1249         if (parent != NULL)
1250                 g_node_append(parent->node, mimeinfo->node);
1251         mimeinfo->filename = g_strdup(filename);
1252         mimeinfo->offset = offset;
1253         mimeinfo->length = length;
1254
1255         if (content_type != NULL) {
1256                 procmime_parse_content_type(content_type, mimeinfo);
1257         } else {
1258                 mimeinfo->type = MIMETYPE_TEXT;
1259                 mimeinfo->subtype = g_strdup("plain");
1260                 if (g_hash_table_lookup(mimeinfo->parameters,
1261                                        "charset") == NULL)
1262                         g_hash_table_insert(mimeinfo->parameters, g_strdup("charset"), g_strdup("us-ascii"));
1263         }
1264
1265         if (content_encoding != NULL) {
1266                 procmime_parse_content_encoding(content_encoding, mimeinfo);
1267         } else {
1268                 mimeinfo->encoding_type = ENC_7BIT;
1269         }
1270
1271         if (content_description != NULL)
1272                 mimeinfo->description = g_strdup(content_description);
1273         else
1274                 mimeinfo->description = NULL;
1275
1276         if (content_id != NULL)
1277                 mimeinfo->id = g_strdup(content_id);
1278         else
1279                 mimeinfo->id = NULL;
1280
1281         if (content_disposition != NULL)
1282                 procmime_parse_content_disposition(content_disposition, mimeinfo);
1283         else
1284                 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1285
1286         /* Call parser for mime type */
1287         switch (mimeinfo->type) {
1288                 case MIMETYPE_MESSAGE:
1289                         if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1290                                 procmime_parse_message_rfc822(mimeinfo);
1291                         }
1292                         break;
1293
1294                 case MIMETYPE_MULTIPART:
1295                         procmime_parse_multipart(mimeinfo);
1296                         break;
1297
1298                 default:
1299                         break;
1300         }
1301 }
1302
1303 static gchar *typenames[] = {
1304     "text",
1305     "image",
1306     "audio",
1307     "video",
1308     "application",
1309     "message",
1310     "multipart",
1311     "unknown",
1312 };
1313
1314 static gboolean output_func(GNode *node, gpointer data)
1315 {
1316         guint i, depth;
1317         MimeInfo *mimeinfo = (MimeInfo *) node->data;
1318
1319         depth = g_node_depth(node);
1320         for (i = 0; i < depth; i++)
1321                 printf("    ");
1322         printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1323
1324         return FALSE;
1325 }
1326
1327 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1328 {
1329         g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1330 }
1331
1332 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1333 {
1334         MimeInfo *mimeinfo;
1335         struct stat buf;
1336
1337         stat(filename, &buf);
1338
1339         mimeinfo = procmime_mimeinfo_new();
1340         mimeinfo->encoding_type = ENC_BINARY;
1341         mimeinfo->type = MIMETYPE_MESSAGE;
1342         mimeinfo->subtype = g_strdup("rfc822");
1343         mimeinfo->filename = g_strdup(filename);
1344         mimeinfo->offset = offset;
1345         mimeinfo->length = buf.st_size - offset;
1346
1347         procmime_parse_message_rfc822(mimeinfo);
1348         if (debug_get_mode())
1349                 output_mime_structure(mimeinfo, 0);
1350
1351         return mimeinfo;
1352 }
1353
1354 MimeInfo *procmime_scan_file(gchar *filename)
1355 {
1356         MimeInfo *mimeinfo;
1357
1358         g_return_val_if_fail(filename != NULL, NULL);
1359
1360         mimeinfo = procmime_scan_file_with_offset(filename, 0);
1361
1362         return mimeinfo;
1363 }
1364
1365 MimeInfo *procmime_scan_queue_file(gchar *filename)
1366 {
1367         FILE *fp;
1368         MimeInfo *mimeinfo;
1369         gchar buf[BUFFSIZE];
1370         gint offset = 0;
1371
1372         g_return_val_if_fail(filename != NULL, NULL);
1373
1374         /* Open file */
1375         if ((fp = fopen(filename, "rb")) == NULL)
1376                 return NULL;
1377         /* Skip queue header */
1378         while (fgets(buf, sizeof(buf), fp) != NULL)
1379                 if (buf[0] == '\r' || buf[0] == '\n') break;
1380         offset = ftell(fp);
1381         fclose(fp);
1382
1383         mimeinfo = procmime_scan_file_with_offset(filename, offset);
1384
1385         return mimeinfo;
1386 }