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 gchar *forced_charset = NULL;
  77
  78 void procmime_force_charset(const gchar *str)
  79 {
  80         g_free(forced_charset);
  81         forced_charset = NULL;
  82         if (str)
  83                 forced_charset = g_strdup(str);
  84 }
  85
  86 static EncodingType forced_encoding = 0;
  87
  88 void procmime_force_encoding(EncodingType encoding)
  89 {
  90         forced_encoding = encoding;
  91 }
  92
  93 static gboolean free_func(GNode *node, gpointer data)
  94 {
  95         MimeInfo *mimeinfo = (MimeInfo *) node->data;
  96
  97         if (mimeinfo->tmpfile)
  98                 unlink(mimeinfo->filename);
  99         g_free(mimeinfo->filename);
 100
 101         g_free(mimeinfo->subtype);
 102         g_free(mimeinfo->description);
 103         g_free(mimeinfo->id);
 104
 105         g_hash_table_foreach_remove(mimeinfo->parameters, procmime_mimeinfo_parameters_destroy, NULL);
 106         g_hash_table_destroy(mimeinfo->parameters);
 107
 108         if (mimeinfo->privacy)
 109                 privacy_free_privacydata(mimeinfo->privacy);
 110
 111         g_free(mimeinfo);
 112
 113         return FALSE;
 114 }
 115
 116 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
 117 {
 118         GNode *node;
 119
 120         if (!mimeinfo)
 121                 return;
 122
 123         node = mimeinfo->node;
 124         g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
 125
 126         g_node_destroy(node);
 127 }
 128
 129 #if 0 /* UNUSED */
 130 MimeInfo *procmime_mimeinfo_insert(MimeInfo *parent, MimeInfo *mimeinfo)
 131 {
 132         MimeInfo *child = parent->children;
 133
 134         if (!child)
 135                 parent->children = mimeinfo;
 136         else {
 137                 while (child->next != NULL)
 138                         child = child->next;
 139
 140                 child->next = mimeinfo;
 141         }
 142
 143         mimeinfo->parent = parent;
 144         mimeinfo->level = parent->level + 1;
 145
 146         return mimeinfo;
 147 }
 148
 149 void procmime_mimeinfo_replace(MimeInfo *old, MimeInfo *new)
 150 {
 151         MimeInfo *parent = old->parent;
 152         MimeInfo *child;
 153
 154         g_return_if_fail(parent != NULL);
 155         g_return_if_fail(new->next == NULL);
 156
 157         for (child = parent->children; child && child != old;
 158              child = child->next)
 159                 ;
 160         if (!child) {
 161                 g_warning("oops: parent can't find it's own child");
 162                 return;
 163         }
 164         procmime_mimeinfo_free_all(old);
 165
 166         if (child == parent->children) {
 167                 new->next = parent->children->next;
 168                 parent->children = new;
 169         } else {
 170                 new->next = child->next;
 171                 child = new;
 172         }
 173 }
 174 #endif
 175
 176 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
 177 {
 178         g_return_val_if_fail(mimeinfo != NULL, NULL);
 179         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 180
 181         if (mimeinfo->node->parent == NULL)
 182                 return NULL;
 183         return (MimeInfo *) mimeinfo->node->parent->data;
 184 }
 185
 186 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
 187 {
 188         g_return_val_if_fail(mimeinfo != NULL, NULL);
 189         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 190
 191         if (mimeinfo->node->children)
 192                 return (MimeInfo *) mimeinfo->node->children->data;
 193         if (mimeinfo->node->next)
 194                 return (MimeInfo *) mimeinfo->node->next->data;
 195
 196         if (mimeinfo->node->parent == NULL)
 197                 return NULL;
 198
 199         while (mimeinfo->node->parent != NULL) {
 200                 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
 201                 if (mimeinfo->node->next)
 202                         return (MimeInfo *) mimeinfo->node->next->data;
 203         }
 204
 205         return NULL;
 206 }
 207
 208 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
 209 {
 210         gchar *filename;
 211         MimeInfo *mimeinfo;
 212
 213         filename = procmsg_get_message_file(msginfo);
 214         if (!filename)
 215                 return NULL;
 216         if (msginfo->folder->stype != F_QUEUE &&
 217             msginfo->folder->stype != F_DRAFT)
 218                 mimeinfo = procmime_scan_file(filename);
 219         else
 220                 mimeinfo = procmime_scan_queue_file(filename);
 221         g_free(filename);
 222
 223         return mimeinfo;
 224 }
 225
 226 enum
 227 {
 228         H_CONTENT_TRANSFER_ENCODING = 0,
 229         H_CONTENT_TYPE              = 1,
 230         H_CONTENT_DISPOSITION       = 2,
 231         H_CONTENT_DESCRIPTION       = 3,
 232         H_SUBJECT                   = 4
 233 };
 234
 235 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
 236 {
 237         g_return_val_if_fail(mimeinfo != NULL, NULL);
 238         g_return_val_if_fail(name != NULL, NULL);
 239
 240         return g_hash_table_lookup(mimeinfo->parameters, name);
 241 }
 242
 243 gboolean procmime_decode_content(MimeInfo *mimeinfo)
 244 {
 245         gchar buf[BUFFSIZE];
 246         gint readend;
 247         gchar *tmpfilename;
 248         FILE *outfp, *infp;
 249         struct stat statbuf;
 250
 251         EncodingType encoding = forced_encoding
 252                                 ? forced_encoding
 253                                 : mimeinfo->encoding_type;
 254
 255         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 256
 257         if (encoding == ENC_BINARY ||
 258             encoding == ENC_7BIT ||
 259             encoding == ENC_8BIT)
 260                 return TRUE;
 261
 262         infp = fopen(mimeinfo->filename, "rb");
 263         if (!infp) {
 264                 perror("fopen");
 265                 return FALSE;
 266         }
 267         fseek(infp, mimeinfo->offset, SEEK_SET);
 268
 269         outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
 270         if (!outfp) {
 271                 perror("tmpfile");
 272                 return FALSE;
 273         }
 274
 275         readend = mimeinfo->offset + mimeinfo->length;
 276
 277         if (encoding == ENC_QUOTED_PRINTABLE) {
 278                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 279                         gint len;
 280                         len = qp_decode_line(buf);
 281                         fwrite(buf, len, 1, outfp);
 282                 }
 283         } else if (encoding == ENC_BASE64) {
 284                 gchar outbuf[BUFFSIZE];
 285                 gint len;
 286                 Base64Decoder *decoder;
 287
 288                 decoder = base64_decoder_new();
 289                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 290                         len = base64_decoder_decode(decoder, buf, outbuf);
 291                         if (len < 0) {
 292                                 g_warning("Bad BASE64 content\n");
 293                                 break;
 294                         }
 295                         fwrite(outbuf, sizeof(gchar), len, outfp);
 296                 }
 297                 base64_decoder_free(decoder);
 298         } else if (encoding == ENC_X_UUENCODE) {
 299                 gchar outbuf[BUFFSIZE];
 300                 gint len;
 301                 gboolean flag = FALSE;
 302
 303                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 304                         if (!flag && strncmp(buf,"begin ", 6)) continue;
 305
 306                         if (flag) {
 307                                 len = fromuutobits(outbuf, buf);
 308                                 if (len <= 0) {
 309                                         if (len < 0)
 310                                                 g_warning("Bad UUENCODE content(%d)\n", len);
 311                                         break;
 312                                 }
 313                                 fwrite(outbuf, sizeof(gchar), len, outfp);
 314                         } else
 315                                 flag = TRUE;
 316                 }
 317         } else {
 318                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 319                         fputs(buf, outfp);
 320                 }
 321         }
 322
 323         fclose(outfp);
 324         fclose(infp);
 325
 326         stat(tmpfilename, &statbuf);
 327         if (mimeinfo->tmpfile)
 328                 unlink(mimeinfo->filename);
 329         g_free(mimeinfo->filename);
 330         mimeinfo->filename = tmpfilename;
 331         mimeinfo->tmpfile = TRUE;
 332         mimeinfo->offset = 0;
 333         mimeinfo->length = statbuf.st_size;
 334         mimeinfo->encoding_type = ENC_BINARY;
 335
 336         return TRUE;
 337 }
 338
 339 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
 340 {
 341         FILE *infp, *outfp;
 342         gchar buf[BUFFSIZE];
 343         gint restlength, readlength;
 344
 345         g_return_val_if_fail(outfile != NULL, -1);
 346         g_return_val_if_fail(mimeinfo != NULL, -1);
 347
 348         if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
 349                 return -1;
 350
 351         if ((infp = fopen(mimeinfo->filename, "rb")) == NULL) {
 352                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
 353                 return -1;
 354         }
 355         if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
 356                 FILE_OP_ERROR(mimeinfo->filename, "fseek");
 357                 fclose(infp);
 358                 return -1;
 359         }
 360         if ((outfp = fopen(outfile, "wb")) == NULL) {
 361                 FILE_OP_ERROR(outfile, "fopen");
 362                 fclose(infp);
 363                 return -1;
 364         }
 365
 366         restlength = mimeinfo->length;
 367
 368         while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
 369                 fwrite(buf, 1, readlength, outfp);
 370                 restlength -= readlength;
 371         }
 372
 373         fclose(infp);
 374         if (fclose(outfp) == EOF) {
 375                 FILE_OP_ERROR(outfile, "fclose");
 376                 unlink(outfile);
 377                 return -1;
 378         }
 379
 380         return 0;
 381 }
 382
 383 struct ContentRenderer {
 384         char * content_type;
 385         char * renderer;
 386 };
 387
 388 static GList * renderer_list = NULL;
 389
 390 static struct ContentRenderer *
 391 content_renderer_new(char * content_type, char * renderer)
 392 {
 393         struct ContentRenderer * cr;
 394
 395         cr = g_new(struct ContentRenderer, 1);
 396         if (cr == NULL)
 397                 return NULL;
 398
 399         cr->content_type = g_strdup(content_type);
 400         cr->renderer = g_strdup(renderer);
 401
 402         return cr;
 403 }
 404
 405 static void content_renderer_free(struct ContentRenderer * cr)
 406 {
 407         g_free(cr->content_type);
 408         g_free(cr->renderer);
 409         g_free(cr);
 410 }
 411
 412 void renderer_read_config(void)
 413 {
 414         gchar buf[BUFFSIZE];
 415         FILE * f;
 416         gchar * rcpath;
 417
 418         g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
 419         renderer_list = NULL;
 420
 421         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 422         f = fopen(rcpath, "rb");
 423         g_free(rcpath);
 424
 425         if (f == NULL)
 426                 return;
 427
 428         while (fgets(buf, BUFFSIZE, f)) {
 429                 char * p;
 430                 struct ContentRenderer * cr;
 431
 432                 strretchomp(buf);
 433                 p = strchr(buf, ' ');
 434                 if (p == NULL)
 435                         continue;
 436                 * p = 0;
 437
 438                 cr = content_renderer_new(buf, p + 1);
 439                 if (cr == NULL)
 440                         continue;
 441
 442                 renderer_list = g_list_append(renderer_list, cr);
 443         }
 444
 445         fclose(f);
 446 }
 447
 448 void renderer_write_config(void)
 449 {
 450         gchar * rcpath;
 451         PrefFile *pfile;
 452         GList * cur;
 453
 454         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 455
 456         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 457                 g_warning("failed to write configuration to file\n");
 458                 g_free(rcpath);
 459                 return;
 460         }
 461
 462         g_free(rcpath);
 463
 464         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 465                 struct ContentRenderer * renderer;
 466                 renderer = cur->data;
 467                 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
 468                         renderer->renderer);
 469         }
 470
 471         if (prefs_file_close(pfile) < 0) {
 472                 g_warning("failed to write configuration to file\n");
 473                 return;
 474         }
 475 }
 476
 477 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 478 {
 479         FILE *tmpfp, *outfp;
 480         const gchar *src_codeset;
 481         gboolean conv_fail = FALSE;
 482         gchar buf[BUFFSIZE];
 483         gchar *str;
 484         struct ContentRenderer * renderer;
 485         GList * cur;
 486         gchar *tmpfile, *content_type;
 487
 488         g_return_val_if_fail(mimeinfo != NULL, NULL);
 489
 490         if (!procmime_decode_content(mimeinfo))
 491                 return NULL;
 492
 493         tmpfile = procmime_get_tmp_file_name(mimeinfo);
 494         if (tmpfile == NULL)
 495                 return NULL;
 496
 497         if (procmime_get_part(tmpfile, mimeinfo) < 0) {
 498                 g_free(tmpfile);
 499                 return NULL;
 500         }
 501
 502         tmpfp = fopen(tmpfile, "rb");
 503         if (tmpfp == NULL) {
 504                 g_free(tmpfile);
 505                 return NULL;
 506         }
 507
 508         if ((outfp = my_tmpfile()) == NULL) {
 509                 perror("tmpfile");
 510                 fclose(tmpfp);
 511                 g_free(tmpfile);
 512                 return NULL;
 513         }
 514
 515         src_codeset = forced_charset
 516                       ? forced_charset :
 517                       procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 518
 519         renderer = NULL;
 520
 521         content_type = procmime_get_content_type_str(mimeinfo->type,
 522                                                      mimeinfo->subtype);
 523         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 524                 struct ContentRenderer * cr;
 525
 526                 cr = cur->data;
 527                 if (g_strcasecmp(cr->content_type, content_type) == 0) {
 528                         renderer = cr;
 529                         break;
 530                 }
 531         }
 532         g_free(content_type);
 533
 534         if (renderer != NULL) {
 535                 FILE * p;
 536                 int oldout;
 537
 538                 oldout = dup(1);
 539
 540                 dup2(fileno(outfp), 1);
 541
 542                 p = popen(renderer->renderer, "w");
 543                 if (p != NULL) {
 544                         size_t count;
 545
 546                         while ((count =
 547                                 fread(buf, sizeof(char), sizeof(buf),
 548                                       tmpfp)) > 0)
 549                                 fwrite(buf, sizeof(char), count, p);
 550                         pclose(p);
 551                 }
 552
 553                 dup2(oldout, 1);
 554 #warning FIXME_GTK2 HTML/RTF not yet utf8
 555 /* CodeConverter seems to have no effect here */
 556         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "html")) {
 557                 HTMLParser *parser;
 558                 CodeConverter *conv;
 559
 560                 conv = conv_code_converter_new(src_codeset);
 561                 parser = html_parser_new(tmpfp, conv);
 562                 while ((str = html_parse(parser)) != NULL) {
 563                         fputs(str, outfp);
 564                 }
 565                 html_parser_destroy(parser);
 566                 conv_code_converter_destroy(conv);
 567         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_strcasecmp(mimeinfo->subtype, "enriched")) {
 568                 ERTFParser *parser;
 569                 CodeConverter *conv;
 570
 571                 conv = conv_code_converter_new(src_codeset);
 572                 parser = ertf_parser_new(tmpfp, conv);
 573                 while ((str = ertf_parse(parser)) != NULL) {
 574                         fputs(str, outfp);
 575                 }
 576                 ertf_parser_destroy(parser);
 577                 conv_code_converter_destroy(conv);
 578         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 579                 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
 580                         str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
 581                         if (str) {
 582                                 fputs(str, outfp);
 583                                 g_free(str);
 584                         } else {
 585                                 conv_fail = TRUE;
 586                                 fputs(buf, outfp);
 587                         }
 588                 }
 589         }
 590
 591         if (conv_fail)
 592                 g_warning("procmime_get_text_content(): Code conversion failed.\n");
 593
 594         fclose(tmpfp);
 595         rewind(outfp);
 596         unlink(tmpfile);
 597         g_free(tmpfile);
 598
 599         return outfp;
 600 }
 601
 602 /* search the first text part of (multipart) MIME message,
 603    decode, convert it and output to outfp. */
 604 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
 605 {
 606         FILE *outfp = NULL;
 607         MimeInfo *mimeinfo, *partinfo;
 608
 609         g_return_val_if_fail(msginfo != NULL, NULL);
 610
 611         mimeinfo = procmime_scan_message(msginfo);
 612         if (!mimeinfo) return NULL;
 613
 614         partinfo = mimeinfo;
 615         while (partinfo && partinfo->type != MIMETYPE_TEXT)
 616                 partinfo = procmime_mimeinfo_next(partinfo);
 617
 618         if (partinfo)
 619                 outfp = procmime_get_text_content(partinfo);
 620
 621         procmime_mimeinfo_free_all(mimeinfo);
 622
 623         return outfp;
 624 }
 625
 626 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
 627                                    const gchar *str, gboolean case_sens)
 628 {
 629         FILE *outfp;
 630         gchar buf[BUFFSIZE];
 631         gchar *(* StrFindFunc) (const gchar *haystack, const gchar *needle);
 632
 633         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 634         g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
 635         g_return_val_if_fail(str != NULL, FALSE);
 636
 637         outfp = procmime_get_text_content(mimeinfo);
 638
 639         if (!outfp)
 640                 return FALSE;
 641
 642         if (case_sens)
 643                 StrFindFunc = strstr;
 644         else
 645                 StrFindFunc = strcasestr;
 646
 647         while (fgets(buf, sizeof(buf), outfp) != NULL) {
 648                 if (StrFindFunc(buf, str) != NULL) {
 649                         fclose(outfp);
 650                         return TRUE;
 651                 }
 652         }
 653
 654         fclose(outfp);
 655
 656         return FALSE;
 657 }
 658
 659 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
 660                               gboolean case_sens)
 661 {
 662         MimeInfo *mimeinfo;
 663         MimeInfo *partinfo;
 664         gchar *filename;
 665         gboolean found = FALSE;
 666
 667         g_return_val_if_fail(msginfo != NULL, FALSE);
 668         g_return_val_if_fail(str != NULL, FALSE);
 669
 670         filename = procmsg_get_message_file(msginfo);
 671         if (!filename) return FALSE;
 672         mimeinfo = procmime_scan_message(msginfo);
 673
 674         for (partinfo = mimeinfo; partinfo != NULL;
 675              partinfo = procmime_mimeinfo_next(partinfo)) {
 676                 if (partinfo->type == MIMETYPE_TEXT) {
 677                         if (procmime_find_string_part
 678                                 (partinfo, filename, str, case_sens) == TRUE) {
 679                                 found = TRUE;
 680                                 break;
 681                         }
 682                 }
 683         }
 684
 685         procmime_mimeinfo_free_all(mimeinfo);
 686         g_free(filename);
 687
 688         return found;
 689 }
 690
 691 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
 692 {
 693         static guint32 id = 0;
 694         const gchar *base;
 695         gchar *filename;
 696         gchar f_prefix[10];
 697
 698         g_return_val_if_fail(mimeinfo != NULL, NULL);
 699
 700         g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
 701
 702         if ((mimeinfo->type == MIMETYPE_TEXT) && !g_strcasecmp(mimeinfo->subtype, "html"))
 703                 base = "mimetmp.html";
 704         else {
 705                 const gchar *basetmp;
 706
 707                 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 708                 if (basetmp == NULL)
 709                         basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 710                 if (basetmp == NULL)
 711                         basetmp = "mimetmp";
 712                 base = g_basename(basetmp);
 713                 if (*base == '\0') base = "mimetmp";
 714                 Xstrdup_a(base, base, return NULL);
 715                 subst_for_shellsafe_filename(base);
 716         }
 717
 718         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 719                                f_prefix, base, NULL);
 720
 721         return filename;
 722 }
 723
 724 static GList *mime_type_list = NULL;
 725
 726 gchar *procmime_get_mime_type(const gchar *filename)
 727 {
 728         static GHashTable *mime_type_table = NULL;
 729         MimeType *mime_type;
 730         const gchar *p;
 731         gchar *ext;
 732
 733         if (!mime_type_table) {
 734                 mime_type_table = procmime_get_mime_type_table();
 735                 if (!mime_type_table) return NULL;
 736         }
 737
 738         filename = g_basename(filename);
 739         p = strrchr(filename, '.');
 740         if (!p) return NULL;
 741
 742         Xstrdup_a(ext, p + 1, return NULL);
 743         g_strdown(ext);
 744         mime_type = g_hash_table_lookup(mime_type_table, ext);
 745         if (mime_type) {
 746                 gchar *str;
 747
 748                 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
 749                                   NULL);
 750                 return str;
 751         }
 752
 753         return NULL;
 754 }
 755
 756 static guint procmime_str_hash(gconstpointer gptr)
 757 {
 758         guint hash_result = 0;
 759         const char *str;
 760
 761         for (str = gptr; str && *str; str++) {
 762                 if (isupper(*str)) hash_result += (*str + ' ');
 763                 else hash_result += *str;
 764         }
 765
 766         return hash_result;
 767 }
 768
 769 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
 770 {
 771         const char *str1 = gptr1;
 772         const char *str2 = gptr2;
 773
 774         return !strcasecmp(str1, str2);
 775 }
 776
 777 static GHashTable *procmime_get_mime_type_table(void)
 778 {
 779         GHashTable *table = NULL;
 780         GList *cur;
 781         MimeType *mime_type;
 782         gchar **exts;
 783
 784         if (!mime_type_list) {
 785                 mime_type_list = procmime_get_mime_type_list();
 786                 if (!mime_type_list) return NULL;
 787         }
 788
 789         table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
 790
 791         for (cur = mime_type_list; cur != NULL; cur = cur->next) {
 792                 gint i;
 793                 gchar *key;
 794
 795                 mime_type = (MimeType *)cur->data;
 796
 797                 if (!mime_type->extension) continue;
 798
 799                 exts = g_strsplit(mime_type->extension, " ", 16);
 800                 for (i = 0; exts[i] != NULL; i++) {
 801                         /* make the key case insensitive */
 802                         g_strdown(exts[i]);
 803                         /* use previously dup'd key on overwriting */
 804                         if (g_hash_table_lookup(table, exts[i]))
 805                                 key = exts[i];
 806                         else
 807                                 key = g_strdup(exts[i]);
 808                         g_hash_table_insert(table, key, mime_type);
 809                 }
 810                 g_strfreev(exts);
 811         }
 812
 813         return table;
 814 }
 815
 816 GList *procmime_get_mime_type_list(void)
 817 {
 818         GList *list = NULL;
 819         FILE *fp;
 820         gchar buf[BUFFSIZE];
 821         guchar *p;
 822         gchar *delim;
 823         MimeType *mime_type;
 824
 825         if (mime_type_list)
 826                 return mime_type_list;
 827
 828         if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
 829                 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
 830                         FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
 831                         return NULL;
 832                 }
 833         }
 834
 835         while (fgets(buf, sizeof(buf), fp) != NULL) {
 836                 p = strchr(buf, '#');
 837                 if (p) *p = '\0';
 838                 g_strstrip(buf);
 839
 840                 p = buf;
 841                 while (*p && !isspace(*p)) p++;
 842                 if (*p) {
 843                         *p = '\0';
 844                         p++;
 845                 }
 846                 delim = strchr(buf, '/');
 847                 if (delim == NULL) continue;
 848                 *delim = '\0';
 849
 850                 mime_type = g_new(MimeType, 1);
 851                 mime_type->type = g_strdup(buf);
 852                 mime_type->sub_type = g_strdup(delim + 1);
 853
 854                 while (*p && isspace(*p)) p++;
 855                 if (*p)
 856                         mime_type->extension = g_strdup(p);
 857                 else
 858                         mime_type->extension = NULL;
 859
 860                 list = g_list_append(list, mime_type);
 861         }
 862
 863         fclose(fp);
 864
 865         if (!list)
 866                 g_warning("Can't read mime.types\n");
 867
 868         return list;
 869 }
 870
 871 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
 872 {
 873         if (!charset)
 874                 return ENC_8BIT;
 875         else if (!strncasecmp(charset, "ISO-2022-", 9) ||
 876                  !strcasecmp(charset, "US-ASCII"))
 877                 return ENC_7BIT;
 878         else if (!strcasecmp(charset, "ISO-8859-5") ||
 879                  !strncasecmp(charset, "KOI8-", 5) ||
 880                  !strcasecmp(charset, "Windows-1251"))
 881                 return ENC_8BIT;
 882         else if (!strncasecmp(charset, "ISO-8859-", 9))
 883                 return ENC_QUOTED_PRINTABLE;
 884         else
 885                 return ENC_8BIT;
 886 }
 887
 888 EncodingType procmime_get_encoding_for_file(const gchar *file)
 889 {
 890         FILE *fp;
 891         guchar buf[BUFSIZ];
 892         size_t len;
 893
 894         if ((fp = fopen(file, "rb")) == NULL) {
 895                 FILE_OP_ERROR(file, "fopen");
 896                 return ENC_UNKNOWN;
 897         }
 898
 899         while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
 900                 guchar *p;
 901                 gint i;
 902
 903                 for (p = buf, i = 0; i < len; p++, i++) {
 904                         if (*p & 0x80) {
 905                                 fclose(fp);
 906                                 return ENC_BASE64;
 907                         }
 908                 }
 909         }
 910
 911         fclose(fp);
 912         return ENC_7BIT;
 913 }
 914
 915 struct EncodingTable
 916 {
 917         gchar *str;
 918         EncodingType enc_type;
 919 };
 920
 921 struct EncodingTable encoding_table[] = {
 922         {"7bit", ENC_7BIT},
 923         {"8bit", ENC_8BIT},
 924         {"binary", ENC_BINARY},
 925         {"quoted-printable", ENC_QUOTED_PRINTABLE},
 926         {"base64", ENC_BASE64},
 927         {"x-uuencode", ENC_UNKNOWN},
 928         {NULL, ENC_UNKNOWN},
 929 };
 930
 931 const gchar *procmime_get_encoding_str(EncodingType encoding)
 932 {
 933         struct EncodingTable *enc_table;
 934
 935         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
 936                 if (enc_table->enc_type == encoding)
 937                         return enc_table->str;
 938         }
 939         return NULL;
 940 }
 941
 942 /* --- NEW MIME STUFF --- */
 943 struct TypeTable
 944 {
 945         gchar *str;
 946         MimeMediaType type;
 947 };
 948
 949 static struct TypeTable mime_type_table[] = {
 950         {"text", MIMETYPE_TEXT},
 951         {"image", MIMETYPE_IMAGE},
 952         {"audio", MIMETYPE_AUDIO},
 953         {"video", MIMETYPE_VIDEO},
 954         {"application", MIMETYPE_APPLICATION},
 955         {"message", MIMETYPE_MESSAGE},
 956         {"multipart", MIMETYPE_MULTIPART},
 957         {NULL, 0},
 958 };
 959
 960 const gchar *procmime_get_type_str(MimeMediaType type)
 961 {
 962         struct TypeTable *type_table;
 963
 964         for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
 965                 if (type_table->type == type)
 966                         return type_table->str;
 967         }
 968         return NULL;
 969 }
 970
 971 /*!
 972  *\brief        Safe wrapper for content type string.
 973  *
 974  *\return       const gchar * Pointer to content type string.
 975  */
 976 gchar *procmime_get_content_type_str(MimeMediaType type,
 977                                            const char *subtype)
 978 {
 979         const gchar *type_str = NULL;
 980
 981         if (subtype == NULL || !(type_str = procmime_get_type_str(type)))
 982                 return g_strdup("unknown");
 983         return g_strdup_printf("%s/%s", type_str, subtype);
 984 }
 985
 986 void procmime_parse_mimepart(MimeInfo *parent,
 987                              gchar *content_type,
 988                              gchar *content_encoding,
 989                              gchar *content_description,
 990                              gchar *content_id,
 991                              gchar *content_disposition,
 992                              const gchar *filename,
 993                              guint offset,
 994                              guint length);
 995
 996 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
 997 {
 998         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
 999                                 {"Content-Transfer-Encoding:",
1000                                                    NULL, FALSE},
1001                                 {"Content-Description:",
1002                                                    NULL, TRUE},
1003                                 {"Content-ID:",
1004                                                    NULL, TRUE},
1005                                 {"Content-Disposition:",
1006                                                    NULL, TRUE},
1007                                 {"MIME-Version:",
1008                                                    NULL, TRUE},
1009                                 {NULL,             NULL, FALSE}};
1010         guint content_start, i;
1011         FILE *fp;
1012         gint mime_major, mime_minor;
1013
1014         procmime_decode_content(mimeinfo);
1015
1016         fp = fopen(mimeinfo->filename, "rb");
1017         if (fp == NULL) {
1018                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1019                 return;
1020         }
1021         fseek(fp, mimeinfo->offset, SEEK_SET);
1022         procheader_get_header_fields(fp, hentry);
1023         if (hentry[0].body != NULL)
1024                 conv_unmime_header_overwrite(hentry[0].body);
1025         if (hentry[2].body != NULL)
1026                 conv_unmime_header_overwrite(hentry[2].body);
1027         if (hentry[4].body != NULL)
1028                 conv_unmime_header_overwrite(hentry[4].body);
1029         content_start = ftell(fp);
1030         fclose(fp);
1031
1032         if ((hentry[5].body != NULL) &&
1033             (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1034             (mime_major == 1) && (mime_minor == 0)) {
1035                 procmime_parse_mimepart(mimeinfo,
1036                                         hentry[0].body, hentry[1].body,
1037                                         hentry[2].body, hentry[3].body,
1038                                         hentry[4].body,
1039                                         mimeinfo->filename, content_start,
1040                                         mimeinfo->length - (content_start - mimeinfo->offset));
1041         } else {
1042                 MimeInfo *subinfo;
1043
1044                 subinfo = procmime_mimeinfo_new();
1045                 subinfo->encoding_type = ENC_BINARY;
1046                 subinfo->type = MIMETYPE_TEXT;
1047                 subinfo->subtype = g_strdup("plain");
1048                 subinfo->filename = g_strdup(mimeinfo->filename);
1049                 subinfo->offset = content_start;
1050                 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1051
1052                 g_node_append(mimeinfo->node, subinfo->node);
1053         }
1054         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1055                 g_free(hentry[i].body);
1056                 hentry[i].body = NULL;
1057         }
1058 }
1059
1060 void procmime_parse_multipart(MimeInfo *mimeinfo)
1061 {
1062         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1063                                 {"Content-Transfer-Encoding:",
1064                                                    NULL, FALSE},
1065                                 {"Content-Description:",
1066                                                    NULL, TRUE},
1067                                 {"Content-ID:",
1068                                                    NULL, TRUE},
1069                                 {"Content-Disposition:",
1070                                                    NULL, TRUE},
1071                                 {NULL,             NULL, FALSE}};
1072         gchar *p;
1073         gchar *boundary;
1074         gint boundary_len = 0, lastoffset = -1, i;
1075         gchar buf[BUFFSIZE];
1076         FILE *fp;
1077
1078         boundary = g_hash_table_lookup(mimeinfo->parameters, "boundary");
1079         if (!boundary)
1080                 return;
1081         boundary_len = strlen(boundary);
1082
1083         procmime_decode_content(mimeinfo);
1084
1085         fp = fopen(mimeinfo->filename, "rb");
1086         if (fp == NULL) {
1087                 FILE_OP_ERROR(mimeinfo->filename, "fopen");
1088                 return;
1089         }
1090         fseek(fp, mimeinfo->offset, SEEK_SET);
1091         while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1092                 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1093                         break;
1094
1095                 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1096                         if (lastoffset != -1) {
1097                                 procmime_parse_mimepart(mimeinfo,
1098                                                         hentry[0].body, hentry[1].body,
1099                                                         hentry[2].body, hentry[3].body,
1100                                                         hentry[4].body,
1101                                                         mimeinfo->filename, lastoffset,
1102                                                         (ftell(fp) - strlen(buf)) - lastoffset);
1103                         }
1104
1105                         if (buf[2 + boundary_len]     == '-' &&
1106                             buf[2 + boundary_len + 1] == '-')
1107                                 break;
1108
1109                         for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1110                                 g_free(hentry[i].body);
1111                                 hentry[i].body = NULL;
1112                         }
1113                         procheader_get_header_fields(fp, hentry);
1114                         if (hentry[0].body != NULL)
1115                                 conv_unmime_header_overwrite(hentry[0].body);
1116                         if (hentry[2].body != NULL)
1117                                 conv_unmime_header_overwrite(hentry[2].body);
1118                         if (hentry[4].body != NULL)
1119                                 conv_unmime_header_overwrite(hentry[4].body);
1120                         lastoffset = ftell(fp);
1121                 }
1122         }
1123         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1124                 g_free(hentry[i].body);
1125                 hentry[i].body = NULL;
1126         }
1127         fclose(fp);
1128 }
1129
1130 static void add_to_mimeinfo_parameters(gchar **parts, MimeInfo *mimeinfo)
1131 {
1132         gchar **strarray;
1133
1134         for (strarray = parts; *strarray != NULL; strarray++) {
1135                 gchar **parameters_parts;
1136
1137                 parameters_parts = g_strsplit(*strarray, "=", 2);
1138                 if ((parameters_parts[0] != NULL) && (parameters_parts[1] != NULL)) {
1139                         gchar *firstspace;
1140
1141                         g_strstrip(parameters_parts[0]);
1142                         g_strstrip(parameters_parts[1]);
1143                         g_strdown(parameters_parts[0]);
1144                         if (parameters_parts[1][0] == '"')
1145                                 extract_quote(parameters_parts[1], '"');
1146                         else if ((firstspace = strchr(parameters_parts[1], ' ')) != NULL)
1147                                 *firstspace = '\0';
1148                         if (g_hash_table_lookup(mimeinfo->parameters,
1149                                                parameters_parts[0]) == NULL)
1150                                 g_hash_table_insert(mimeinfo->parameters,
1151                                                     g_strdup(parameters_parts[0]),
1152                                                     g_strdup(parameters_parts[1]));
1153                 }
1154                 g_strfreev(parameters_parts);
1155         }
1156 }
1157
1158 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1159 {
1160         gchar **content_type_parts;
1161         gchar **strarray;
1162         gchar *str;
1163         struct TypeTable *typetablearray;
1164
1165         g_return_if_fail(content_type != NULL);
1166         g_return_if_fail(mimeinfo != NULL);
1167
1168         /* Split content type into parts and remove trailing
1169            and leading whitespaces from all strings */
1170         content_type_parts = g_strsplit(content_type, ";", 0);
1171         for (strarray = content_type_parts; *strarray != NULL; strarray++) {
1172                 g_strstrip(*strarray);
1173         }
1174
1175         /* Get mimeinfo->type and mimeinfo->subtype */
1176         str = content_type_parts[0];
1177         /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1178          * if it's not available we use the default Content-Type */
1179         if ((str == NULL) || (str[0] == '\0') || (strchr(str, '/') == NULL)) {
1180                 mimeinfo->type = MIMETYPE_TEXT;
1181                 mimeinfo->subtype = g_strdup("plain");
1182                 if (g_hash_table_lookup(mimeinfo->parameters,
1183                                        "charset") == NULL)
1184                         g_hash_table_insert(mimeinfo->parameters,
1185                                             g_strdup("charset"),
1186                                             g_strdup("us-ascii"));
1187         } else {
1188                 mimeinfo->type = MIMETYPE_UNKNOWN;
1189                 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++) {
1190                         if (g_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0 &&
1191                             str[strlen(typetablearray->str)] == '/') {
1192                                 mimeinfo->type = typetablearray->type;
1193                                 mimeinfo->subtype = g_strdup(str + strlen(typetablearray->str) + 1);
1194                                 break;
1195                         }
1196                 }
1197
1198                 /* Get mimeinfo->parmeters */
1199                 add_to_mimeinfo_parameters(&content_type_parts[1], mimeinfo);
1200         }
1201
1202         g_strfreev(content_type_parts);
1203 }
1204
1205 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1206 {
1207         gchar **content_disp_parts;
1208         gchar **strarray;
1209         gchar *str;
1210
1211         g_return_if_fail(content_disposition != NULL);
1212         g_return_if_fail(mimeinfo != NULL);
1213
1214         /* Split into parts and remove trailing
1215            and leading whitespaces from all strings */
1216         content_disp_parts = g_strsplit(content_disposition, ";", 0);
1217         for (strarray = content_disp_parts; *strarray != NULL; strarray++) {
1218                 g_strstrip(*strarray);
1219         }
1220         /* Get mimeinfo->disposition */
1221         str = content_disp_parts[0];
1222         if (str == NULL) {
1223                 g_strfreev(content_disp_parts);
1224                 return;
1225         }
1226         if (!g_strcasecmp(str, "inline"))
1227                 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1228         else if (!g_strcasecmp(str, "attachment"))
1229                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1230         else
1231                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1232
1233         add_to_mimeinfo_parameters(&content_disp_parts[1], mimeinfo);
1234         g_strfreev(content_disp_parts);
1235 }
1236
1237
1238 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1239 {
1240         struct EncodingTable *enc_table;
1241
1242         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1243                 if (g_strcasecmp(enc_table->str, content_encoding) == 0) {
1244                         mimeinfo->encoding_type = enc_table->enc_type;
1245                         return;
1246                 }
1247         }
1248         mimeinfo->encoding_type = ENC_UNKNOWN;
1249         return;
1250 }
1251
1252 void procmime_parse_mimepart(MimeInfo *parent,
1253                              gchar *content_type,
1254                              gchar *content_encoding,
1255                              gchar *content_description,
1256                              gchar *content_id,
1257                              gchar *content_disposition,
1258                              const gchar *filename,
1259                              guint offset,
1260                              guint length)
1261 {
1262         MimeInfo *mimeinfo;
1263
1264         /* Create MimeInfo */
1265         mimeinfo = procmime_mimeinfo_new();
1266         if (parent != NULL)
1267                 g_node_append(parent->node, mimeinfo->node);
1268         mimeinfo->filename = g_strdup(filename);
1269         mimeinfo->offset = offset;
1270         mimeinfo->length = length;
1271
1272         if (content_type != NULL) {
1273                 procmime_parse_content_type(content_type, mimeinfo);
1274         } else {
1275                 mimeinfo->type = MIMETYPE_TEXT;
1276                 mimeinfo->subtype = g_strdup("plain");
1277                 if (g_hash_table_lookup(mimeinfo->parameters,
1278                                        "charset") == NULL)
1279                         g_hash_table_insert(mimeinfo->parameters, g_strdup("charset"), g_strdup("us-ascii"));
1280         }
1281
1282         if (content_encoding != NULL) {
1283                 procmime_parse_content_encoding(content_encoding, mimeinfo);
1284         } else {
1285                 mimeinfo->encoding_type = ENC_7BIT;
1286         }
1287
1288         if (content_description != NULL)
1289                 mimeinfo->description = g_strdup(content_description);
1290         else
1291                 mimeinfo->description = NULL;
1292
1293         if (content_id != NULL)
1294                 mimeinfo->id = g_strdup(content_id);
1295         else
1296                 mimeinfo->id = NULL;
1297
1298         if (content_disposition != NULL)
1299                 procmime_parse_content_disposition(content_disposition, mimeinfo);
1300         else
1301                 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1302
1303         /* Call parser for mime type */
1304         switch (mimeinfo->type) {
1305                 case MIMETYPE_MESSAGE:
1306                         if (g_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1307                                 procmime_parse_message_rfc822(mimeinfo);
1308                         }
1309                         break;
1310
1311                 case MIMETYPE_MULTIPART:
1312                         procmime_parse_multipart(mimeinfo);
1313                         break;
1314
1315                 default:
1316                         break;
1317         }
1318 }
1319
1320 static gchar *typenames[] = {
1321     "text",
1322     "image",
1323     "audio",
1324     "video",
1325     "application",
1326     "message",
1327     "multipart",
1328     "unknown",
1329 };
1330
1331 static gboolean output_func(GNode *node, gpointer data)
1332 {
1333         guint i, depth;
1334         MimeInfo *mimeinfo = (MimeInfo *) node->data;
1335
1336         depth = g_node_depth(node);
1337         for (i = 0; i < depth; i++)
1338                 printf("    ");
1339         printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1340
1341         return FALSE;
1342 }
1343
1344 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1345 {
1346         g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1347 }
1348
1349 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1350 {
1351         MimeInfo *mimeinfo;
1352         struct stat buf;
1353
1354         stat(filename, &buf);
1355
1356         mimeinfo = procmime_mimeinfo_new();
1357         mimeinfo->encoding_type = ENC_BINARY;
1358         mimeinfo->type = MIMETYPE_MESSAGE;
1359         mimeinfo->subtype = g_strdup("rfc822");
1360         mimeinfo->filename = g_strdup(filename);
1361         mimeinfo->offset = offset;
1362         mimeinfo->length = buf.st_size - offset;
1363
1364         procmime_parse_message_rfc822(mimeinfo);
1365         if (debug_get_mode())
1366                 output_mime_structure(mimeinfo, 0);
1367
1368         return mimeinfo;
1369 }
1370
1371 MimeInfo *procmime_scan_file(gchar *filename)
1372 {
1373         MimeInfo *mimeinfo;
1374
1375         g_return_val_if_fail(filename != NULL, NULL);
1376
1377         mimeinfo = procmime_scan_file_with_offset(filename, 0);
1378
1379         return mimeinfo;
1380 }
1381
1382 MimeInfo *procmime_scan_queue_file(gchar *filename)
1383 {
1384         FILE *fp;
1385         MimeInfo *mimeinfo;
1386         gchar buf[BUFFSIZE];
1387         gint offset = 0;
1388
1389         g_return_val_if_fail(filename != NULL, NULL);
1390
1391         /* Open file */
1392         if ((fp = fopen(filename, "rb")) == NULL)
1393                 return NULL;
1394         /* Skip queue header */
1395         while (fgets(buf, sizeof(buf), fp) != NULL)
1396                 if (buf[0] == '\r' || buf[0] == '\n') break;
1397         offset = ftell(fp);
1398         fclose(fp);
1399
1400         mimeinfo = procmime_scan_file_with_offset(filename, offset);
1401
1402         return mimeinfo;
1403 }