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 <glib/gi18n.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include <locale.h>
  32 #include <ctype.h>
  33 #include <sys/types.h>
  34 #include <sys/stat.h>
  35 #include <unistd.h>
  36
  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 #include "prefs_gtk.h"
  49
  50 static GHashTable *procmime_get_mime_type_table (void);
  51
  52 MimeInfo *procmime_mimeinfo_new(void)
  53 {
  54         MimeInfo *mimeinfo;
  55
  56         mimeinfo = g_new0(MimeInfo, 1);
  57         mimeinfo->content        = MIMECONTENT_EMPTY;
  58         mimeinfo->data.filename  = NULL;
  59
  60         mimeinfo->type           = MIMETYPE_UNKNOWN;
  61         mimeinfo->encoding_type  = ENC_UNKNOWN;
  62         mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
  63
  64         mimeinfo->disposition    = DISPOSITIONTYPE_UNKNOWN;
  65         mimeinfo->dispositionparameters
  66                                  = g_hash_table_new(g_str_hash, g_str_equal);
  67
  68         mimeinfo->node           = g_node_new(mimeinfo);
  69
  70         return mimeinfo;
  71 }
  72
  73 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
  74 {
  75         g_free(key);
  76         g_free(value);
  77
  78         return TRUE;
  79 }
  80
  81 static gchar *forced_charset = NULL;
  82
  83 void procmime_force_charset(const gchar *str)
  84 {
  85         g_free(forced_charset);
  86         forced_charset = NULL;
  87         if (str)
  88                 forced_charset = g_strdup(str);
  89 }
  90
  91 static EncodingType forced_encoding = 0;
  92
  93 void procmime_force_encoding(EncodingType encoding)
  94 {
  95         forced_encoding = encoding;
  96 }
  97
  98 static gboolean free_func(GNode *node, gpointer data)
  99 {
 100         MimeInfo *mimeinfo = (MimeInfo *) node->data;
 101
 102         switch (mimeinfo->content) {
 103         case MIMECONTENT_FILE:
 104                 if (mimeinfo->tmp)
 105                         unlink(mimeinfo->data.filename);
 106                 g_free(mimeinfo->data.filename);
 107                 break;
 108
 109         case MIMECONTENT_MEM:
 110                 if (mimeinfo->tmp)
 111                         g_free(mimeinfo->data.mem);
 112         default:
 113                 break;
 114         }
 115
 116         g_free(mimeinfo->subtype);
 117         g_free(mimeinfo->description);
 118         g_free(mimeinfo->id);
 119
 120         g_hash_table_foreach_remove(mimeinfo->typeparameters,
 121                 procmime_mimeinfo_parameters_destroy, NULL);
 122         g_hash_table_destroy(mimeinfo->typeparameters);
 123         g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
 124                 procmime_mimeinfo_parameters_destroy, NULL);
 125         g_hash_table_destroy(mimeinfo->dispositionparameters);
 126
 127         if (mimeinfo->privacy)
 128                 privacy_free_privacydata(mimeinfo->privacy);
 129
 130         g_free(mimeinfo);
 131
 132         return FALSE;
 133 }
 134
 135 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
 136 {
 137         GNode *node;
 138
 139         if (!mimeinfo)
 140                 return;
 141
 142         node = mimeinfo->node;
 143         g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
 144
 145         g_node_destroy(node);
 146 }
 147
 148 #if 0 /* UNUSED */
 149 MimeInfo *procmime_mimeinfo_insert(MimeInfo *parent, MimeInfo *mimeinfo)
 150 {
 151         MimeInfo *child = parent->children;
 152
 153         if (!child)
 154                 parent->children = mimeinfo;
 155         else {
 156                 while (child->next != NULL)
 157                         child = child->next;
 158
 159                 child->next = mimeinfo;
 160         }
 161
 162         mimeinfo->parent = parent;
 163         mimeinfo->level = parent->level + 1;
 164
 165         return mimeinfo;
 166 }
 167
 168 void procmime_mimeinfo_replace(MimeInfo *old, MimeInfo *new)
 169 {
 170         MimeInfo *parent = old->parent;
 171         MimeInfo *child;
 172
 173         g_return_if_fail(parent != NULL);
 174         g_return_if_fail(new->next == NULL);
 175
 176         for (child = parent->children; child && child != old;
 177              child = child->next)
 178                 ;
 179         if (!child) {
 180                 g_warning("oops: parent can't find it's own child");
 181                 return;
 182         }
 183         procmime_mimeinfo_free_all(old);
 184
 185         if (child == parent->children) {
 186                 new->next = parent->children->next;
 187                 parent->children = new;
 188         } else {
 189                 new->next = child->next;
 190                 child = new;
 191         }
 192 }
 193 #endif
 194
 195 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
 196 {
 197         g_return_val_if_fail(mimeinfo != NULL, NULL);
 198         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 199
 200         if (mimeinfo->node->parent == NULL)
 201                 return NULL;
 202         return (MimeInfo *) mimeinfo->node->parent->data;
 203 }
 204
 205 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
 206 {
 207         g_return_val_if_fail(mimeinfo != NULL, NULL);
 208         g_return_val_if_fail(mimeinfo->node != NULL, NULL);
 209
 210         if (mimeinfo->node->children)
 211                 return (MimeInfo *) mimeinfo->node->children->data;
 212         if (mimeinfo->node->next)
 213                 return (MimeInfo *) mimeinfo->node->next->data;
 214
 215         if (mimeinfo->node->parent == NULL)
 216                 return NULL;
 217
 218         while (mimeinfo->node->parent != NULL) {
 219                 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
 220                 if (mimeinfo->node->next)
 221                         return (MimeInfo *) mimeinfo->node->next->data;
 222         }
 223
 224         return NULL;
 225 }
 226
 227 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
 228 {
 229         gchar *filename;
 230         MimeInfo *mimeinfo;
 231
 232         filename = procmsg_get_message_file_path(msginfo);
 233         if (!filename || !is_file_exist(filename)) {
 234                 g_free(filename);
 235                 filename = procmsg_get_message_file(msginfo);
 236         }
 237         if (!filename || !is_file_exist(filename))
 238                 return NULL;
 239
 240         if (msginfo->folder->stype != F_QUEUE &&
 241             msginfo->folder->stype != F_DRAFT)
 242                 mimeinfo = procmime_scan_file(filename);
 243         else
 244                 mimeinfo = procmime_scan_queue_file(filename);
 245         g_free(filename);
 246
 247         return mimeinfo;
 248 }
 249
 250 enum
 251 {
 252         H_CONTENT_TRANSFER_ENCODING = 0,
 253         H_CONTENT_TYPE              = 1,
 254         H_CONTENT_DISPOSITION       = 2,
 255         H_CONTENT_DESCRIPTION       = 3,
 256         H_SUBJECT                   = 4
 257 };
 258
 259 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
 260 {
 261         const gchar *value;
 262
 263         g_return_val_if_fail(mimeinfo != NULL, NULL);
 264         g_return_val_if_fail(name != NULL, NULL);
 265
 266         value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
 267         if (value == NULL)
 268                 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
 269
 270         return value;
 271 }
 272
 273 gboolean procmime_decode_content(MimeInfo *mimeinfo)
 274 {
 275         gchar buf[BUFFSIZE];
 276         gint readend;
 277         gchar *tmpfilename;
 278         FILE *outfp, *infp;
 279         struct stat statbuf;
 280         gboolean tmp_file = FALSE;
 281
 282         EncodingType encoding = forced_encoding
 283                                 ? forced_encoding
 284                                 : mimeinfo->encoding_type;
 285
 286         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 287
 288         if (encoding == ENC_UNKNOWN ||
 289             encoding == ENC_BINARY)
 290                 return TRUE;
 291
 292         infp = fopen(mimeinfo->data.filename, "rb");
 293         if (!infp) {
 294                 perror("fopen");
 295                 return FALSE;
 296         }
 297         fseek(infp, mimeinfo->offset, SEEK_SET);
 298
 299         outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
 300         if (!outfp) {
 301                 perror("tmpfile");
 302                 return FALSE;
 303         }
 304         tmp_file = TRUE;
 305         readend = mimeinfo->offset + mimeinfo->length;
 306
 307         if (encoding == ENC_QUOTED_PRINTABLE) {
 308                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 309                         gint len;
 310                         len = qp_decode_line(buf);
 311                         fwrite(buf, len, 1, outfp);
 312                 }
 313         } else if (encoding == ENC_BASE64) {
 314                 gchar outbuf[BUFFSIZE];
 315                 gint len;
 316                 Base64Decoder *decoder;
 317                 gboolean uncanonicalize = FALSE;
 318                 FILE *tmpfp = outfp;
 319
 320                 if (mimeinfo->type == MIMETYPE_TEXT ||
 321                     mimeinfo->type == MIMETYPE_MESSAGE) {
 322                         uncanonicalize = TRUE;
 323                         tmpfp = my_tmpfile();
 324                         if (!tmpfp) {
 325                                 perror("tmpfile");
 326                                 if (tmp_file) fclose(outfp);
 327                                 return FALSE;
 328                         }
 329                 }
 330
 331                 decoder = base64_decoder_new();
 332                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 333                         len = base64_decoder_decode(decoder, buf, outbuf);
 334                         if (len < 0) {
 335                                 g_warning("Bad BASE64 content\n");
 336                                 break;
 337                         }
 338                         fwrite(outbuf, sizeof(gchar), len, tmpfp);
 339                 }
 340                 base64_decoder_free(decoder);
 341
 342                 if (uncanonicalize) {
 343                         rewind(tmpfp);
 344                         while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
 345                                 strcrchomp(buf);
 346                                 fputs(buf, outfp);
 347                         }
 348                         fclose(tmpfp);
 349                 }
 350         } else if (encoding == ENC_X_UUENCODE) {
 351                 gchar outbuf[BUFFSIZE];
 352                 gint len;
 353                 gboolean flag = FALSE;
 354
 355                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 356                         if (!flag && strncmp(buf,"begin ", 6)) continue;
 357
 358                         if (flag) {
 359                                 len = fromuutobits(outbuf, buf);
 360                                 if (len <= 0) {
 361                                         if (len < 0)
 362                                                 g_warning("Bad UUENCODE content(%d)\n", len);
 363                                         break;
 364                                 }
 365                                 fwrite(outbuf, sizeof(gchar), len, outfp);
 366                         } else
 367                                 flag = TRUE;
 368                 }
 369         } else {
 370                 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
 371                         fputs(buf, outfp);
 372                 }
 373         }
 374
 375         fclose(outfp);
 376         fclose(infp);
 377
 378         stat(tmpfilename, &statbuf);
 379         if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
 380                 unlink(mimeinfo->data.filename);
 381         if (mimeinfo->data.filename != NULL)
 382                 g_free(mimeinfo->data.filename);
 383         mimeinfo->data.filename = tmpfilename;
 384         mimeinfo->tmp = TRUE;
 385         mimeinfo->offset = 0;
 386         mimeinfo->length = statbuf.st_size;
 387         mimeinfo->encoding_type = ENC_BINARY;
 388
 389         return TRUE;
 390 }
 391
 392 #define B64_LINE_SIZE           57
 393 #define B64_BUFFSIZE            77
 394
 395 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
 396 {
 397         FILE *infp, *outfp;
 398         gint len;
 399         gchar *tmpfilename;
 400         struct stat statbuf;
 401
 402         if (mimeinfo->encoding_type != ENC_UNKNOWN &&
 403             mimeinfo->encoding_type != ENC_BINARY &&
 404             mimeinfo->encoding_type != ENC_7BIT &&
 405             mimeinfo->encoding_type != ENC_8BIT)
 406                 if(!procmime_decode_content(mimeinfo))
 407                         return FALSE;
 408
 409         outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
 410         if (!outfp) {
 411                 perror("tmpfile");
 412                 return FALSE;
 413         }
 414
 415         if (mimeinfo->content == MIMECONTENT_FILE) {
 416                 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
 417                         g_warning("Can't open file %s\n", mimeinfo->data.filename);
 418                         return FALSE;
 419                 }
 420         } else if (mimeinfo->content == MIMECONTENT_MEM) {
 421                 infp = str_open_as_stream(mimeinfo->data.mem);
 422                 if (infp == NULL)
 423                         return FALSE;
 424         }
 425
 426         if (encoding == ENC_BASE64) {
 427                 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
 428                 FILE *tmp_fp = infp;
 429                 gchar *tmp_file = NULL;
 430
 431                 if (mimeinfo->type == MIMETYPE_TEXT ||
 432                      mimeinfo->type == MIMETYPE_MESSAGE) {
 433                         if (mimeinfo->content == MIMECONTENT_FILE) {
 434                                 tmp_file = get_tmp_file();
 435                                 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
 436                                         g_free(tmp_file);
 437                                         fclose(infp);
 438                                         return FALSE;
 439                                 }
 440                                 if ((tmp_fp = fopen(tmp_file, "rb")) == NULL) {
 441                                         FILE_OP_ERROR(tmp_file, "fopen");
 442                                         unlink(tmp_file);
 443                                         g_free(tmp_file);
 444                                         fclose(infp);
 445                                         return FALSE;
 446                                 }
 447                         } else {
 448                                 gchar *out = canonicalize_str(mimeinfo->data.mem);
 449                                 fclose(infp);
 450                                 infp = str_open_as_stream(out);
 451                                 g_free(out);
 452                                 if (infp == NULL)
 453                                         return FALSE;
 454                         }
 455                 }
 456
 457                 while ((len = fread(inbuf, sizeof(gchar),
 458                                     B64_LINE_SIZE, tmp_fp))
 459                        == B64_LINE_SIZE) {
 460                         base64_encode(outbuf, inbuf, B64_LINE_SIZE);
 461                         fputs(outbuf, outfp);
 462                         fputc('\n', outfp);
 463                 }
 464                 if (len > 0 && feof(tmp_fp)) {
 465                         base64_encode(outbuf, inbuf, len);
 466                         fputs(outbuf, outfp);
 467                         fputc('\n', outfp);
 468                 }
 469
 470                 if (tmp_file) {
 471                         fclose(tmp_fp);
 472                         unlink(tmp_file);
 473                         g_free(tmp_file);
 474                 }
 475         } else if (encoding == ENC_QUOTED_PRINTABLE) {
 476                 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
 477
 478                 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
 479                         qp_encode_line(outbuf, inbuf);
 480
 481                         if (!strncmp("From ", outbuf, strlen("From "))) {
 482                                 gchar *tmpbuf = outbuf;
 483
 484                                 tmpbuf += strlen("From ");
 485
 486                                 fputs("=46rom ", outfp);
 487                                 fputs(tmpbuf, outfp);
 488                         } else
 489                                 fputs(outbuf, outfp);
 490                 }
 491         } else {
 492                 gchar buf[BUFFSIZE];
 493
 494                 while (fgets(buf, sizeof(buf), infp) != NULL) {
 495                         strcrchomp(buf);
 496                         fputs(buf, outfp);
 497                 }
 498         }
 499
 500         fclose(outfp);
 501         fclose(infp);
 502
 503         if (mimeinfo->content == MIMECONTENT_FILE) {
 504                 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
 505                         unlink(mimeinfo->data.filename);
 506                 g_free(mimeinfo->data.filename);
 507         } else if (mimeinfo->content == MIMECONTENT_MEM) {
 508                 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
 509                         g_free(mimeinfo->data.mem);
 510         }
 511
 512         stat(tmpfilename, &statbuf);
 513         mimeinfo->content = MIMECONTENT_FILE;
 514         mimeinfo->data.filename = tmpfilename;
 515         mimeinfo->tmp = TRUE;
 516         mimeinfo->offset = 0;
 517         mimeinfo->length = statbuf.st_size;
 518         mimeinfo->encoding_type = encoding;
 519
 520         return TRUE;
 521 }
 522
 523 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
 524 {
 525         FILE *infp, *outfp;
 526         gchar buf[BUFFSIZE];
 527         gint restlength, readlength;
 528
 529         g_return_val_if_fail(outfile != NULL, -1);
 530         g_return_val_if_fail(mimeinfo != NULL, -1);
 531
 532         if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
 533                 return -1;
 534
 535         if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
 536                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 537                 return -1;
 538         }
 539         if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
 540                 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 541                 fclose(infp);
 542                 return -1;
 543         }
 544         if ((outfp = fopen(outfile, "wb")) == NULL) {
 545                 FILE_OP_ERROR(outfile, "fopen");
 546                 fclose(infp);
 547                 return -1;
 548         }
 549
 550         restlength = mimeinfo->length;
 551
 552         while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
 553                 fwrite(buf, 1, readlength, outfp);
 554                 restlength -= readlength;
 555         }
 556
 557         fclose(infp);
 558         if (fclose(outfp) == EOF) {
 559                 FILE_OP_ERROR(outfile, "fclose");
 560                 unlink(outfile);
 561                 return -1;
 562         }
 563
 564         return 0;
 565 }
 566
 567 struct ContentRenderer {
 568         char * content_type;
 569         char * renderer;
 570 };
 571
 572 static GList * renderer_list = NULL;
 573
 574 static struct ContentRenderer *
 575 content_renderer_new(char * content_type, char * renderer)
 576 {
 577         struct ContentRenderer * cr;
 578
 579         cr = g_new(struct ContentRenderer, 1);
 580         if (cr == NULL)
 581                 return NULL;
 582
 583         cr->content_type = g_strdup(content_type);
 584         cr->renderer = g_strdup(renderer);
 585
 586         return cr;
 587 }
 588
 589 static void content_renderer_free(struct ContentRenderer * cr)
 590 {
 591         g_free(cr->content_type);
 592         g_free(cr->renderer);
 593         g_free(cr);
 594 }
 595
 596 void renderer_read_config(void)
 597 {
 598         gchar buf[BUFFSIZE];
 599         FILE * f;
 600         gchar * rcpath;
 601
 602         g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
 603         renderer_list = NULL;
 604
 605         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 606         f = fopen(rcpath, "rb");
 607         g_free(rcpath);
 608
 609         if (f == NULL)
 610                 return;
 611
 612         while (fgets(buf, BUFFSIZE, f)) {
 613                 char * p;
 614                 struct ContentRenderer * cr;
 615
 616                 strretchomp(buf);
 617                 p = strchr(buf, ' ');
 618                 if (p == NULL)
 619                         continue;
 620                 * p = 0;
 621
 622                 cr = content_renderer_new(buf, p + 1);
 623                 if (cr == NULL)
 624                         continue;
 625
 626                 renderer_list = g_list_append(renderer_list, cr);
 627         }
 628
 629         fclose(f);
 630 }
 631
 632 void renderer_write_config(void)
 633 {
 634         gchar * rcpath;
 635         PrefFile *pfile;
 636         GList * cur;
 637
 638         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 639
 640         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 641                 g_warning("failed to write configuration to file\n");
 642                 g_free(rcpath);
 643                 return;
 644         }
 645
 646         g_free(rcpath);
 647
 648         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 649                 struct ContentRenderer * renderer;
 650                 renderer = cur->data;
 651                 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
 652                         renderer->renderer);
 653         }
 654
 655         if (prefs_file_close(pfile) < 0) {
 656                 g_warning("failed to write configuration to file\n");
 657                 return;
 658         }
 659 }
 660
 661 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 662 {
 663         FILE *tmpfp, *outfp;
 664         const gchar *src_codeset;
 665         gboolean conv_fail = FALSE;
 666         gchar buf[BUFFSIZE];
 667         gchar *str;
 668         struct ContentRenderer * renderer;
 669         GList * cur;
 670         gchar *tmpfile, *content_type;
 671
 672         g_return_val_if_fail(mimeinfo != NULL, NULL);
 673
 674         if (!procmime_decode_content(mimeinfo))
 675                 return NULL;
 676
 677         tmpfile = procmime_get_tmp_file_name(mimeinfo);
 678         if (tmpfile == NULL)
 679                 return NULL;
 680
 681         if (procmime_get_part(tmpfile, mimeinfo) < 0) {
 682                 g_free(tmpfile);
 683                 return NULL;
 684         }
 685
 686         tmpfp = fopen(tmpfile, "rb");
 687         if (tmpfp == NULL) {
 688                 g_free(tmpfile);
 689                 return NULL;
 690         }
 691
 692         if ((outfp = my_tmpfile()) == NULL) {
 693                 perror("tmpfile");
 694                 fclose(tmpfp);
 695                 g_free(tmpfile);
 696                 return NULL;
 697         }
 698
 699         src_codeset = forced_charset
 700                       ? forced_charset :
 701                       procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 702
 703         renderer = NULL;
 704
 705         content_type = procmime_get_content_type_str(mimeinfo->type,
 706                                                      mimeinfo->subtype);
 707         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 708                 struct ContentRenderer * cr;
 709
 710                 cr = cur->data;
 711                 if (g_ascii_strcasecmp(cr->content_type, content_type) == 0) {
 712                         renderer = cr;
 713                         break;
 714                 }
 715         }
 716         g_free(content_type);
 717
 718         if (renderer != NULL) {
 719                 FILE * p;
 720                 int oldout;
 721
 722                 oldout = dup(1);
 723
 724                 dup2(fileno(outfp), 1);
 725
 726                 p = popen(renderer->renderer, "w");
 727                 if (p != NULL) {
 728                         size_t count;
 729
 730                         while ((count =
 731                                 fread(buf, sizeof(char), sizeof(buf),
 732                                       tmpfp)) > 0)
 733                                 fwrite(buf, sizeof(char), count, p);
 734                         pclose(p);
 735                 }
 736
 737                 dup2(oldout, 1);
 738 #warning FIXME_GTK2 HTML/RTF not yet utf8
 739 /* CodeConverter seems to have no effect here */
 740         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
 741                 HTMLParser *parser;
 742                 CodeConverter *conv;
 743
 744                 conv = conv_code_converter_new(src_codeset);
 745                 parser = html_parser_new(tmpfp, conv);
 746                 while ((str = html_parse(parser)) != NULL) {
 747                         fputs(str, outfp);
 748                 }
 749                 html_parser_destroy(parser);
 750                 conv_code_converter_destroy(conv);
 751         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 752                 ERTFParser *parser;
 753                 CodeConverter *conv;
 754
 755                 conv = conv_code_converter_new(src_codeset);
 756                 parser = ertf_parser_new(tmpfp, conv);
 757                 while ((str = ertf_parse(parser)) != NULL) {
 758                         fputs(str, outfp);
 759                 }
 760                 ertf_parser_destroy(parser);
 761                 conv_code_converter_destroy(conv);
 762         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 763                 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
 764                         str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
 765                         if (str) {
 766                                 fputs(str, outfp);
 767                                 g_free(str);
 768                         } else {
 769                                 conv_fail = TRUE;
 770                                 fputs(buf, outfp);
 771                         }
 772                 }
 773         }
 774
 775         if (conv_fail)
 776                 g_warning("procmime_get_text_content(): Code conversion failed.\n");
 777
 778         fclose(tmpfp);
 779         rewind(outfp);
 780         unlink(tmpfile);
 781         g_free(tmpfile);
 782
 783         return outfp;
 784 }
 785
 786 /* search the first text part of (multipart) MIME message,
 787    decode, convert it and output to outfp. */
 788 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
 789 {
 790         FILE *outfp = NULL;
 791         MimeInfo *mimeinfo, *partinfo;
 792
 793         g_return_val_if_fail(msginfo != NULL, NULL);
 794
 795         mimeinfo = procmime_scan_message(msginfo);
 796         if (!mimeinfo) return NULL;
 797
 798         partinfo = mimeinfo;
 799         while (partinfo && partinfo->type != MIMETYPE_TEXT)
 800                 partinfo = procmime_mimeinfo_next(partinfo);
 801
 802         if (partinfo)
 803                 outfp = procmime_get_text_content(partinfo);
 804
 805         procmime_mimeinfo_free_all(mimeinfo);
 806
 807         return outfp;
 808 }
 809
 810 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
 811                                    const gchar *str, StrFindFunc find_func)
 812 {
 813         FILE *outfp;
 814         gchar buf[BUFFSIZE];
 815
 816         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 817         g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
 818         g_return_val_if_fail(str != NULL, FALSE);
 819         g_return_val_if_fail(find_func != NULL, FALSE);
 820
 821         outfp = procmime_get_text_content(mimeinfo);
 822
 823         if (!outfp)
 824                 return FALSE;
 825
 826         while (fgets(buf, sizeof(buf), outfp) != NULL) {
 827                 strretchomp(buf);
 828                 if (find_func(buf, str)) {
 829                         fclose(outfp);
 830                         return TRUE;
 831                 }
 832         }
 833
 834         fclose(outfp);
 835
 836         return FALSE;
 837 }
 838
 839 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
 840                               StrFindFunc find_func)
 841 {
 842         MimeInfo *mimeinfo;
 843         MimeInfo *partinfo;
 844         gchar *filename;
 845         gboolean found = FALSE;
 846
 847         g_return_val_if_fail(msginfo != NULL, FALSE);
 848         g_return_val_if_fail(str != NULL, FALSE);
 849         g_return_val_if_fail(find_func != NULL, FALSE);
 850
 851         filename = procmsg_get_message_file(msginfo);
 852         if (!filename) return FALSE;
 853         mimeinfo = procmime_scan_message(msginfo);
 854
 855         for (partinfo = mimeinfo; partinfo != NULL;
 856              partinfo = procmime_mimeinfo_next(partinfo)) {
 857                 if (partinfo->type == MIMETYPE_TEXT) {
 858                         if (procmime_find_string_part
 859                                 (partinfo, filename, str, find_func) == TRUE) {
 860                                 found = TRUE;
 861                                 break;
 862                         }
 863                 }
 864         }
 865
 866         procmime_mimeinfo_free_all(mimeinfo);
 867         g_free(filename);
 868
 869         return found;
 870 }
 871
 872 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
 873 {
 874         static guint32 id = 0;
 875         gchar *base;
 876         gchar *filename;
 877         gchar f_prefix[10];
 878
 879         g_return_val_if_fail(mimeinfo != NULL, NULL);
 880
 881         g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
 882
 883         if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
 884                 base = g_strdup("mimetmp.html");
 885         else {
 886                 const gchar *basetmp;
 887
 888                 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 889                 if (basetmp == NULL)
 890                         basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 891                 if (basetmp == NULL)
 892                         basetmp = "mimetmp";
 893                 base = g_path_get_basename(basetmp);
 894                 if (*base == '\0') base = g_strdup("mimetmp");
 895                 subst_for_shellsafe_filename(base);
 896         }
 897
 898         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 899                                f_prefix, base, NULL);
 900
 901         g_free(base);
 902         return filename;
 903 }
 904
 905 static GList *mime_type_list = NULL;
 906
 907 gchar *procmime_get_mime_type(const gchar *filename)
 908 {
 909         static GHashTable *mime_type_table = NULL;
 910         MimeType *mime_type;
 911         const gchar *p;
 912         gchar *ext;
 913         gchar *base;
 914
 915         if (!mime_type_table) {
 916                 mime_type_table = procmime_get_mime_type_table();
 917                 if (!mime_type_table) return NULL;
 918         }
 919
 920         base = g_path_get_basename(filename);
 921         p = strrchr(base, '.');
 922         g_free(base);
 923         if (!p) return NULL;
 924
 925         Xstrdup_a(ext, p + 1, return NULL);
 926         g_strdown(ext);
 927         mime_type = g_hash_table_lookup(mime_type_table, ext);
 928         if (mime_type) {
 929                 gchar *str;
 930
 931                 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
 932                                   NULL);
 933                 return str;
 934         }
 935
 936         return NULL;
 937 }
 938
 939 static guint procmime_str_hash(gconstpointer gptr)
 940 {
 941         guint hash_result = 0;
 942         const char *str;
 943
 944         for (str = gptr; str && *str; str++) {
 945                 if (isupper(*str)) hash_result += (*str + ' ');
 946                 else hash_result += *str;
 947         }
 948
 949         return hash_result;
 950 }
 951
 952 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
 953 {
 954         const char *str1 = gptr1;
 955         const char *str2 = gptr2;
 956
 957         return !g_utf8_collate(str1, str2);
 958 }
 959
 960 static GHashTable *procmime_get_mime_type_table(void)
 961 {
 962         GHashTable *table = NULL;
 963         GList *cur;
 964         MimeType *mime_type;
 965         gchar **exts;
 966
 967         if (!mime_type_list) {
 968                 mime_type_list = procmime_get_mime_type_list();
 969                 if (!mime_type_list) return NULL;
 970         }
 971
 972         table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
 973
 974         for (cur = mime_type_list; cur != NULL; cur = cur->next) {
 975                 gint i;
 976                 gchar *key;
 977
 978                 mime_type = (MimeType *)cur->data;
 979
 980                 if (!mime_type->extension) continue;
 981
 982                 exts = g_strsplit(mime_type->extension, " ", 16);
 983                 for (i = 0; exts[i] != NULL; i++) {
 984                         /* make the key case insensitive */
 985                         g_strdown(exts[i]);
 986                         /* use previously dup'd key on overwriting */
 987                         if (g_hash_table_lookup(table, exts[i]))
 988                                 key = exts[i];
 989                         else
 990                                 key = g_strdup(exts[i]);
 991                         g_hash_table_insert(table, key, mime_type);
 992                 }
 993                 g_strfreev(exts);
 994         }
 995
 996         return table;
 997 }
 998
 999 GList *procmime_get_mime_type_list(void)
1000 {
1001         GList *list = NULL;
1002         FILE *fp;
1003         gchar buf[BUFFSIZE];
1004         guchar *p;
1005         gchar *delim;
1006         MimeType *mime_type;
1007
1008         if (mime_type_list)
1009                 return mime_type_list;
1010
1011         if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
1012                 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
1013                         FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
1014                         return NULL;
1015                 }
1016         }
1017
1018         while (fgets(buf, sizeof(buf), fp) != NULL) {
1019                 p = strchr(buf, '#');
1020                 if (p) *p = '\0';
1021                 g_strstrip(buf);
1022
1023                 p = buf;
1024                 while (*p && !isspace(*p)) p++;
1025                 if (*p) {
1026                         *p = '\0';
1027                         p++;
1028                 }
1029                 delim = strchr(buf, '/');
1030                 if (delim == NULL) continue;
1031                 *delim = '\0';
1032
1033                 mime_type = g_new(MimeType, 1);
1034                 mime_type->type = g_strdup(buf);
1035                 mime_type->sub_type = g_strdup(delim + 1);
1036
1037                 while (*p && isspace(*p)) p++;
1038                 if (*p)
1039                         mime_type->extension = g_strdup(p);
1040                 else
1041                         mime_type->extension = NULL;
1042
1043                 list = g_list_append(list, mime_type);
1044         }
1045
1046         fclose(fp);
1047
1048         if (!list)
1049                 g_warning("Can't read mime.types\n");
1050
1051         return list;
1052 }
1053
1054 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1055 {
1056         if (!charset)
1057                 return ENC_8BIT;
1058         else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1059                  !g_ascii_strcasecmp(charset, "US-ASCII"))
1060                 return ENC_7BIT;
1061         else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1062                  !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1063                  !g_ascii_strcasecmp(charset, "Windows-1251"))
1064                 return ENC_8BIT;
1065         else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1066                 return ENC_QUOTED_PRINTABLE;
1067         else
1068                 return ENC_8BIT;
1069 }
1070
1071 EncodingType procmime_get_encoding_for_text_file(const gchar *file)
1072 {
1073         FILE *fp;
1074         guchar buf[BUFFSIZE];
1075         size_t len;
1076         size_t octet_chars = 0;
1077         size_t total_len = 0;
1078         gfloat octet_percentage;
1079
1080         if ((fp = fopen(file, "rb")) == NULL) {
1081                 FILE_OP_ERROR(file, "fopen");
1082                 return ENC_UNKNOWN;
1083         }
1084
1085         while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1086                 guchar *p;
1087                 gint i;
1088
1089                 for (p = buf, i = 0; i < len; ++p, ++i) {
1090                         if (*p & 0x80)
1091                                 ++octet_chars;
1092                 }
1093                 total_len += len;
1094         }
1095
1096         fclose(fp);
1097
1098         if (total_len > 0)
1099                 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1100         else
1101                 octet_percentage = 0.0;
1102
1103         debug_print("procmime_get_encoding_for_text_file(): "
1104                     "8bit chars: %d / %d (%f%%)\n", octet_chars, total_len,
1105                     100.0 * octet_percentage);
1106
1107         if (octet_percentage > 0.20) {
1108                 debug_print("using BASE64\n");
1109                 return ENC_BASE64;
1110         } else if (octet_chars > 0) {
1111                 debug_print("using quoted-printable\n");
1112                 return ENC_QUOTED_PRINTABLE;
1113         } else {
1114                 debug_print("using 7bit\n");
1115                 return ENC_7BIT;
1116         }
1117 }
1118
1119 struct EncodingTable
1120 {
1121         gchar *str;
1122         EncodingType enc_type;
1123 };
1124
1125 struct EncodingTable encoding_table[] = {
1126         {"7bit", ENC_7BIT},
1127         {"8bit", ENC_8BIT},
1128         {"binary", ENC_BINARY},
1129         {"quoted-printable", ENC_QUOTED_PRINTABLE},
1130         {"base64", ENC_BASE64},
1131         {"x-uuencode", ENC_UNKNOWN},
1132         {NULL, ENC_UNKNOWN},
1133 };
1134
1135 const gchar *procmime_get_encoding_str(EncodingType encoding)
1136 {
1137         struct EncodingTable *enc_table;
1138
1139         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1140                 if (enc_table->enc_type == encoding)
1141                         return enc_table->str;
1142         }
1143         return NULL;
1144 }
1145
1146 /* --- NEW MIME STUFF --- */
1147 struct TypeTable
1148 {
1149         gchar *str;
1150         MimeMediaType type;
1151 };
1152
1153 static struct TypeTable mime_type_table[] = {
1154         {"text", MIMETYPE_TEXT},
1155         {"image", MIMETYPE_IMAGE},
1156         {"audio", MIMETYPE_AUDIO},
1157         {"video", MIMETYPE_VIDEO},
1158         {"application", MIMETYPE_APPLICATION},
1159         {"message", MIMETYPE_MESSAGE},
1160         {"multipart", MIMETYPE_MULTIPART},
1161         {NULL, 0},
1162 };
1163
1164 const gchar *procmime_get_media_type_str(MimeMediaType type)
1165 {
1166         struct TypeTable *type_table;
1167
1168         for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1169                 if (type_table->type == type)
1170                         return type_table->str;
1171         }
1172         return NULL;
1173 }
1174
1175 MimeMediaType procmime_get_media_type(const gchar *str)
1176 {
1177         struct TypeTable *typetablearray;
1178
1179         for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1180                 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1181                         return typetablearray->type;
1182
1183         return MIMETYPE_UNKNOWN;
1184 }
1185
1186 /*!
1187  *\brief        Safe wrapper for content type string.
1188  *
1189  *\return       const gchar * Pointer to content type string.
1190  */
1191 gchar *procmime_get_content_type_str(MimeMediaType type,
1192                                            const char *subtype)
1193 {
1194         const gchar *type_str = NULL;
1195
1196         if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1197                 return g_strdup("unknown");
1198         return g_strdup_printf("%s/%s", type_str, subtype);
1199 }
1200
1201 void procmime_parse_mimepart(MimeInfo *parent,
1202                              gchar *content_type,
1203                              gchar *content_encoding,
1204                              gchar *content_description,
1205                              gchar *content_id,
1206                              gchar *content_disposition,
1207                              const gchar *filename,
1208                              guint offset,
1209                              guint length);
1210
1211 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
1212 {
1213         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1214                                 {"Content-Transfer-Encoding:",
1215                                                    NULL, FALSE},
1216                                 {"Content-Description:",
1217                                                    NULL, TRUE},
1218                                 {"Content-ID:",
1219                                                    NULL, TRUE},
1220                                 {"Content-Disposition:",
1221                                                    NULL, TRUE},
1222                                 {"MIME-Version:",
1223                                                    NULL, TRUE},
1224                                 {NULL,             NULL, FALSE}};
1225         guint content_start, i;
1226         FILE *fp;
1227         gint mime_major, mime_minor;
1228
1229         procmime_decode_content(mimeinfo);
1230
1231         fp = fopen(mimeinfo->data.filename, "rb");
1232         if (fp == NULL) {
1233                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1234                 return;
1235         }
1236         fseek(fp, mimeinfo->offset, SEEK_SET);
1237         procheader_get_header_fields(fp, hentry);
1238         if (hentry[0].body != NULL)
1239                 conv_unmime_header_overwrite(hentry[0].body);
1240         if (hentry[2].body != NULL)
1241                 conv_unmime_header_overwrite(hentry[2].body);
1242         if (hentry[4].body != NULL)
1243                 conv_unmime_header_overwrite(hentry[4].body);
1244         content_start = ftell(fp);
1245         fclose(fp);
1246
1247         if ((hentry[5].body != NULL) &&
1248             (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1249             (mime_major == 1) && (mime_minor == 0)) {
1250                 procmime_parse_mimepart(mimeinfo,
1251                                         hentry[0].body, hentry[1].body,
1252                                         hentry[2].body, hentry[3].body,
1253                                         hentry[4].body,
1254                                         mimeinfo->data.filename, content_start,
1255                                         mimeinfo->length - (content_start - mimeinfo->offset));
1256         } else {
1257                 MimeInfo *subinfo;
1258
1259                 subinfo = procmime_mimeinfo_new();
1260                 subinfo->content = MIMECONTENT_FILE;
1261                 subinfo->encoding_type = ENC_UNKNOWN;
1262                 subinfo->type = MIMETYPE_TEXT;
1263                 subinfo->subtype = g_strdup("plain");
1264                 subinfo->data.filename = g_strdup(mimeinfo->data.filename);
1265                 subinfo->offset = content_start;
1266                 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1267
1268                 g_node_append(mimeinfo->node, subinfo->node);
1269         }
1270         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1271                 g_free(hentry[i].body);
1272                 hentry[i].body = NULL;
1273         }
1274 }
1275
1276 void procmime_parse_multipart(MimeInfo *mimeinfo)
1277 {
1278         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1279                                 {"Content-Transfer-Encoding:",
1280                                                    NULL, FALSE},
1281                                 {"Content-Description:",
1282                                                    NULL, TRUE},
1283                                 {"Content-ID:",
1284                                                    NULL, TRUE},
1285                                 {"Content-Disposition:",
1286                                                    NULL, TRUE},
1287                                 {NULL,             NULL, FALSE}};
1288         gchar *p;
1289         gchar *boundary;
1290         gint boundary_len = 0, lastoffset = -1, i;
1291         gchar buf[BUFFSIZE];
1292         FILE *fp;
1293
1294         boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1295         if (!boundary)
1296                 return;
1297         boundary_len = strlen(boundary);
1298
1299         procmime_decode_content(mimeinfo);
1300
1301         fp = fopen(mimeinfo->data.filename, "rb");
1302         if (fp == NULL) {
1303                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1304                 return;
1305         }
1306         fseek(fp, mimeinfo->offset, SEEK_SET);
1307         while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1308                 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1309                         break;
1310
1311                 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1312                         if (lastoffset != -1) {
1313                                 procmime_parse_mimepart(mimeinfo,
1314                                                         hentry[0].body, hentry[1].body,
1315                                                         hentry[2].body, hentry[3].body,
1316                                                         hentry[4].body,
1317                                                         mimeinfo->data.filename, lastoffset,
1318                                                         (ftell(fp) - strlen(buf)) - lastoffset - 1);
1319                         }
1320
1321                         if (buf[2 + boundary_len]     == '-' &&
1322                             buf[2 + boundary_len + 1] == '-')
1323                                 break;
1324
1325                         for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1326                                 g_free(hentry[i].body);
1327                                 hentry[i].body = NULL;
1328                         }
1329                         procheader_get_header_fields(fp, hentry);
1330                         if (hentry[0].body != NULL)
1331                                 conv_unmime_header_overwrite(hentry[0].body);
1332                         if (hentry[2].body != NULL)
1333                                 conv_unmime_header_overwrite(hentry[2].body);
1334                         if (hentry[4].body != NULL)
1335                                 conv_unmime_header_overwrite(hentry[4].body);
1336                         lastoffset = ftell(fp);
1337                 }
1338         }
1339         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1340                 g_free(hentry[i].body);
1341                 hentry[i].body = NULL;
1342         }
1343         fclose(fp);
1344 }
1345
1346 static void parse_parameters(const gchar *parameters, GHashTable *table)
1347 {
1348         gchar *params, *param, *next;
1349         GSList *convlist = NULL, *concatlist = NULL, *cur;
1350
1351         params = g_strdup(parameters);
1352         param = params;
1353         next = params;
1354         for (; next != NULL; param = next) {
1355                 gchar *attribute, *value, *tmp;
1356                 gint len;
1357                 gboolean convert = FALSE;
1358
1359                 next = strchr_with_skip_quote(param, '"', ';');
1360                 if (next != NULL) {
1361                         next[0] = '\0';
1362                         next++;
1363                 }
1364
1365                 g_strstrip(param);
1366
1367                 attribute = param;
1368                 value = strchr(attribute, '=');
1369                 if (value == NULL)
1370                         continue;
1371
1372                 value[0] = '\0';
1373                 value++;
1374
1375                 g_strdown(attribute);
1376
1377                 len = strlen(attribute);
1378                 if (attribute[len - 1] == '*') {
1379                         gchar *srcpos, *dstpos, *endpos;
1380
1381                         convert = TRUE;
1382                         attribute[len - 1] = '\0';
1383
1384                         srcpos = value;
1385                         dstpos = value;
1386                         endpos = value + strlen(value);
1387                         while (srcpos < endpos) {
1388                                 if (*srcpos != '%')
1389                                         *dstpos = *srcpos;
1390                                 else {
1391                                         guchar dstvalue;
1392
1393                                         if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1394                                                 *dstpos = '?';
1395                                         else
1396                                                 *dstpos = dstvalue;
1397                                         srcpos += 2;
1398                                 }
1399                                 srcpos++;
1400                                 dstpos++;
1401                         }
1402                         *dstpos = '\0';
1403                 } else {
1404                         if (value[0] == '"')
1405                                 extract_quote(value, '"');
1406                         else if ((tmp = strchr(value, ' ')) != NULL)
1407                                 *tmp = '\0';
1408                 }
1409
1410                 if (strrchr(attribute, '*') != NULL) {
1411                         gchar *tmpattr;
1412
1413                         tmpattr = g_strdup(attribute);
1414                         tmp = strrchr(tmpattr, '*');
1415                         tmp[0] = '\0';
1416
1417                         if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1418                             (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1419                                 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1420
1421                         if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1422                                 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1423
1424                         g_free(tmpattr);
1425                 } else if (convert) {
1426                         if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1427                                 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1428                 }
1429
1430                 if (g_hash_table_lookup(table, attribute) == NULL)
1431                         g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1432         }
1433
1434         for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1435                 gchar *attribute, *attrwnum, *partvalue;
1436                 gint n = 0;
1437                 GString *value;
1438
1439                 attribute = (gchar *) cur->data;
1440                 value = g_string_sized_new(64);
1441
1442                 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1443                 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1444                         g_string_append(value, partvalue);
1445
1446                         g_free(attrwnum);
1447                         n++;
1448                         attrwnum = g_strdup_printf("%s*%d", attribute, n);
1449                 }
1450                 g_free(attrwnum);
1451
1452                 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1453                 g_string_free(value, TRUE);
1454         }
1455         slist_free_strings(concatlist);
1456         g_slist_free(concatlist);
1457
1458         for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1459                 gchar *attribute, *key, *value;
1460                 gchar *charset, *lang, *oldvalue, *newvalue;
1461
1462                 attribute = (gchar *) cur->data;
1463                 if (!g_hash_table_lookup_extended(table, attribute, (gpointer *) &key, (gpointer *) &value))
1464                         continue;
1465
1466                 charset = value;
1467                 lang = strchr(charset, '\'');
1468                 if (lang == NULL)
1469                         continue;
1470                 lang[0] = '\0';
1471                 lang++;
1472                 oldvalue = strchr(lang, '\'');
1473                 if (oldvalue == NULL)
1474                         continue;
1475                 oldvalue[0] = '\0';
1476                 oldvalue++;
1477
1478                 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1479
1480                 g_hash_table_remove(table, attribute);
1481                 g_free(key);
1482                 g_free(value);
1483
1484                 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1485         }
1486         slist_free_strings(convlist);
1487         g_slist_free(convlist);
1488
1489         g_free(params);
1490 }
1491
1492 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1493 {
1494         g_return_if_fail(content_type != NULL);
1495         g_return_if_fail(mimeinfo != NULL);
1496
1497         /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1498          * if it's not available we use the default Content-Type */
1499         if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1500                 mimeinfo->type = MIMETYPE_TEXT;
1501                 mimeinfo->subtype = g_strdup("plain");
1502                 if (g_hash_table_lookup(mimeinfo->typeparameters,
1503                                        "charset") == NULL)
1504                         g_hash_table_insert(mimeinfo->typeparameters,
1505                                             g_strdup("charset"),
1506                                             g_strdup("us-ascii"));
1507         } else {
1508                 gchar *type, *subtype, *params;
1509
1510                 type = g_strdup(content_type);
1511                 subtype = strchr(type, '/') + 1;
1512                 *(subtype - 1) = '\0';
1513                 if ((params = strchr(subtype, ';')) != NULL) {
1514                         params[0] = '\0';
1515                         params++;
1516                 }
1517
1518                 mimeinfo->type = procmime_get_media_type(type);
1519                 mimeinfo->subtype = g_strdup(subtype);
1520
1521                 /* Get mimeinfo->typeparameters */
1522                 if (params != NULL)
1523                         parse_parameters(params, mimeinfo->typeparameters);
1524
1525                 g_free(type);
1526         }
1527 }
1528
1529 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1530 {
1531         gchar *tmp, *params;
1532
1533         g_return_if_fail(content_disposition != NULL);
1534         g_return_if_fail(mimeinfo != NULL);
1535
1536         tmp = g_strdup(content_disposition);
1537         if ((params = strchr(tmp, ';')) != NULL) {
1538                 params[0] = '\0';
1539                 params++;
1540         }
1541         g_strstrip(tmp);
1542
1543         if (!g_ascii_strcasecmp(tmp, "inline"))
1544                 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1545         else if (!g_ascii_strcasecmp(tmp, "attachment"))
1546                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1547         else
1548                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1549
1550         if (params != NULL)
1551                 parse_parameters(params, mimeinfo->dispositionparameters);
1552
1553         g_free(tmp);
1554 }
1555
1556
1557 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1558 {
1559         struct EncodingTable *enc_table;
1560
1561         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1562                 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1563                         mimeinfo->encoding_type = enc_table->enc_type;
1564                         return;
1565                 }
1566         }
1567         mimeinfo->encoding_type = ENC_UNKNOWN;
1568         return;
1569 }
1570
1571 void procmime_parse_mimepart(MimeInfo *parent,
1572                              gchar *content_type,
1573                              gchar *content_encoding,
1574                              gchar *content_description,
1575                              gchar *content_id,
1576                              gchar *content_disposition,
1577                              const gchar *filename,
1578                              guint offset,
1579                              guint length)
1580 {
1581         MimeInfo *mimeinfo;
1582
1583         /* Create MimeInfo */
1584         mimeinfo = procmime_mimeinfo_new();
1585         mimeinfo->content = MIMECONTENT_FILE;
1586         if (parent != NULL)
1587                 g_node_append(parent->node, mimeinfo->node);
1588         mimeinfo->data.filename = g_strdup(filename);
1589         mimeinfo->offset = offset;
1590         mimeinfo->length = length;
1591
1592         if (content_type != NULL) {
1593                 procmime_parse_content_type(content_type, mimeinfo);
1594         } else {
1595                 mimeinfo->type = MIMETYPE_TEXT;
1596                 mimeinfo->subtype = g_strdup("plain");
1597                 if (g_hash_table_lookup(mimeinfo->typeparameters,
1598                                        "charset") == NULL)
1599                         g_hash_table_insert(mimeinfo->typeparameters, g_strdup("charset"), g_strdup("us-ascii"));
1600         }
1601
1602         if (content_encoding != NULL) {
1603                 procmime_parse_content_encoding(content_encoding, mimeinfo);
1604         } else {
1605                 mimeinfo->encoding_type = ENC_UNKNOWN;
1606         }
1607
1608         if (content_description != NULL)
1609                 mimeinfo->description = g_strdup(content_description);
1610         else
1611                 mimeinfo->description = NULL;
1612
1613         if (content_id != NULL)
1614                 mimeinfo->id = g_strdup(content_id);
1615         else
1616                 mimeinfo->id = NULL;
1617
1618         if (content_disposition != NULL)
1619                 procmime_parse_content_disposition(content_disposition, mimeinfo);
1620         else
1621                 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1622
1623         /* Call parser for mime type */
1624         switch (mimeinfo->type) {
1625                 case MIMETYPE_MESSAGE:
1626                         if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1627                                 procmime_parse_message_rfc822(mimeinfo);
1628                         }
1629                         break;
1630
1631                 case MIMETYPE_MULTIPART:
1632                         procmime_parse_multipart(mimeinfo);
1633                         break;
1634
1635                 default:
1636                         break;
1637         }
1638 }
1639
1640 static gchar *typenames[] = {
1641     "text",
1642     "image",
1643     "audio",
1644     "video",
1645     "application",
1646     "message",
1647     "multipart",
1648     "unknown",
1649 };
1650
1651 static gboolean output_func(GNode *node, gpointer data)
1652 {
1653         guint i, depth;
1654         MimeInfo *mimeinfo = (MimeInfo *) node->data;
1655
1656         depth = g_node_depth(node);
1657         for (i = 0; i < depth; i++)
1658                 printf("    ");
1659         printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1660
1661         return FALSE;
1662 }
1663
1664 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1665 {
1666         g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1667 }
1668
1669 MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1670 {
1671         MimeInfo *mimeinfo;
1672         struct stat buf;
1673
1674         stat(filename, &buf);
1675
1676         mimeinfo = procmime_mimeinfo_new();
1677         mimeinfo->content = MIMECONTENT_FILE;
1678         mimeinfo->encoding_type = ENC_UNKNOWN;
1679         mimeinfo->type = MIMETYPE_MESSAGE;
1680         mimeinfo->subtype = g_strdup("rfc822");
1681         mimeinfo->data.filename = g_strdup(filename);
1682         mimeinfo->offset = offset;
1683         mimeinfo->length = buf.st_size - offset;
1684
1685         procmime_parse_message_rfc822(mimeinfo);
1686         if (debug_get_mode())
1687                 output_mime_structure(mimeinfo, 0);
1688
1689         return mimeinfo;
1690 }
1691
1692 MimeInfo *procmime_scan_file(const gchar *filename)
1693 {
1694         MimeInfo *mimeinfo;
1695
1696         g_return_val_if_fail(filename != NULL, NULL);
1697
1698         mimeinfo = procmime_scan_file_with_offset(filename, 0);
1699
1700         return mimeinfo;
1701 }
1702
1703 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1704 {
1705         FILE *fp;
1706         MimeInfo *mimeinfo;
1707         gchar buf[BUFFSIZE];
1708         gint offset = 0;
1709
1710         g_return_val_if_fail(filename != NULL, NULL);
1711
1712         /* Open file */
1713         if ((fp = fopen(filename, "rb")) == NULL)
1714                 return NULL;
1715         /* Skip queue header */
1716         while (fgets(buf, sizeof(buf), fp) != NULL)
1717                 if (buf[0] == '\r' || buf[0] == '\n') break;
1718         offset = ftell(fp);
1719         fclose(fp);
1720
1721         mimeinfo = procmime_scan_file_with_offset(filename, offset);
1722
1723         return mimeinfo;
1724 }
1725
1726 typedef enum {
1727     ENC_AS_TOKEN,
1728     ENC_AS_QUOTED_STRING,
1729     ENC_AS_EXTENDED,
1730 } EncodeAs;
1731
1732 typedef struct _ParametersData {
1733         FILE *fp;
1734         guint len;
1735 } ParametersData;
1736
1737 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1738 {
1739         gchar *param = key;
1740         gchar *val = value, *valpos;
1741         ParametersData *pdata = (ParametersData *)user_data;
1742         GString *buf = g_string_new("");
1743
1744         EncodeAs encas = ENC_AS_TOKEN;
1745
1746         for (valpos = val; *valpos != 0; valpos++) {
1747                 if (!IS_ASCII(*valpos)) {
1748                         encas = ENC_AS_EXTENDED;
1749                         break;
1750                 }
1751
1752                 /* CTLs */
1753                 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
1754                         encas = ENC_AS_QUOTED_STRING;
1755                         continue;
1756                 }
1757
1758                 /* tspecials + SPACE */
1759                 switch (*valpos) {
1760                 case ' ':
1761                 case '(':
1762                 case ')':
1763                 case '<':
1764                 case '>':
1765                 case '@':
1766                 case ',':
1767                 case ';':
1768                 case ':':
1769                 case '\\':
1770                 case '"':
1771                 case '/':
1772                 case '[':
1773                 case ']':
1774                 case '?':
1775                 case '=':
1776                         encas = ENC_AS_QUOTED_STRING;
1777                         continue;
1778                 }
1779         }
1780
1781         switch (encas) {
1782         case ENC_AS_TOKEN:
1783                 g_string_append_printf(buf, "%s=%s", param, val);
1784                 break;
1785
1786         case ENC_AS_QUOTED_STRING:
1787                 g_string_append_printf(buf, "%s=\"%s\"", param, val);
1788                 break;
1789
1790         case ENC_AS_EXTENDED:
1791                 g_string_append_printf(buf, "%s*=%s''", param,
1792                         conv_get_locale_charset_str());
1793                 for (valpos = val; *valpos != '\0'; valpos++) {
1794                         if (IS_ASCII(*valpos) && isalnum(*valpos)) {
1795                                 g_string_append_printf(buf, "%c", *valpos);
1796                         } else {
1797                                 gchar hexstr[3] = "XX";
1798                                 get_hex_str(hexstr, *valpos);
1799                                 g_string_append_printf(buf, "%%%s", hexstr);
1800                         }
1801                 }
1802                 break;
1803         }
1804
1805         if (buf->str && strlen(buf->str)) {
1806                 if (pdata->len + strlen(buf->str) + 2 > 76) {
1807                         fprintf(pdata->fp, ";\n %s", buf->str);
1808                         pdata->len = strlen(buf->str) + 1;
1809                 } else {
1810                         fprintf(pdata->fp, "; %s", buf->str);
1811                         pdata->len += strlen(buf->str) + 2;
1812                 }
1813         }
1814         g_string_free(buf, TRUE);
1815 }
1816
1817 void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
1818 {
1819         struct TypeTable *type_table;
1820         ParametersData *pdata = g_new0(ParametersData, 1);
1821         debug_print("procmime_write_mime_header\n");
1822
1823         pdata->fp = fp;
1824
1825         for (type_table = mime_type_table; type_table->str != NULL; type_table++)
1826                 if (mimeinfo->type == type_table->type) {
1827                         gchar *buf = g_strdup_printf(
1828                                 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
1829                         fprintf(fp, "%s", buf);
1830                         pdata->len = strlen(buf);
1831                         g_free(buf);
1832                         break;
1833                 }
1834         g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
1835         g_free(pdata);
1836
1837         fprintf(fp, "\n");
1838
1839         if (mimeinfo->encoding_type != ENC_UNKNOWN)
1840                 fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
1841
1842         if (mimeinfo->description != NULL)
1843                 fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
1844
1845         if (mimeinfo->id != NULL)
1846                 fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
1847
1848         if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
1849                 ParametersData *pdata = g_new0(ParametersData, 1);
1850                 gchar *buf = NULL;
1851                 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
1852                         buf = g_strdup("Content-Disposition: inline");
1853                 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
1854                         buf = g_strdup("Content-Disposition: attachment");
1855                 else
1856                         buf = g_strdup("Content-Disposition: unknown");
1857
1858                 fprintf(fp, "%s", buf);
1859                 pdata->len = strlen(buf);
1860                 g_free(buf);
1861
1862                 pdata->fp = fp;
1863                 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
1864                 g_free(pdata);
1865                 fprintf(fp, "\n");
1866         }
1867
1868         fprintf(fp, "\n");
1869 }
1870
1871 gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
1872 {
1873         FILE *infp;
1874         GNode *childnode;
1875         MimeInfo *child;
1876         gchar buf[BUFFSIZE];
1877         gboolean skip = FALSE;;
1878
1879         debug_print("procmime_write_message_rfc822\n");
1880
1881         /* write header */
1882         switch (mimeinfo->content) {
1883         case MIMECONTENT_FILE:
1884                 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1885                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1886                         return -1;
1887                 }
1888                 fseek(infp, mimeinfo->offset, SEEK_SET);
1889                 while (fgets(buf, sizeof(buf), infp) == buf) {
1890                         if (buf[0] == '\n' && buf[1] == '\0')
1891                                 break;
1892                         if (skip && (buf[0] == ' ' || buf[0] == '\t'))
1893                                 continue;
1894                         if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
1895                             g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
1896                             g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
1897                             g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
1898                             g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
1899                             g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
1900                                 skip = TRUE;
1901                                 continue;
1902                         }
1903                         fwrite(buf, sizeof(gchar), strlen(buf), fp);
1904                         skip = FALSE;
1905                 }
1906                 fclose(infp);
1907                 break;
1908
1909         case MIMECONTENT_MEM:
1910                 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1911                 break;
1912
1913         default:
1914                 break;
1915         }
1916
1917         childnode = mimeinfo->node->children;
1918         if (childnode == NULL)
1919                 return -1;
1920
1921         child = (MimeInfo *) childnode->data;
1922         fprintf(fp, "Mime-Version: 1.0\n");
1923         procmime_write_mime_header(child, fp);
1924         return procmime_write_mimeinfo(child, fp);
1925 }
1926
1927 gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
1928 {
1929         FILE *infp;
1930         GNode *childnode;
1931         gchar *boundary, *str, *str2;
1932         gchar buf[BUFFSIZE];
1933         gboolean firstboundary;
1934
1935         debug_print("procmime_write_multipart\n");
1936
1937         boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1938
1939         switch (mimeinfo->content) {
1940         case MIMECONTENT_FILE:
1941                 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1942                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1943                         return -1;
1944                 }
1945                 fseek(infp, mimeinfo->offset, SEEK_SET);
1946                 while (fgets(buf, sizeof(buf), infp) == buf) {
1947                         if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
1948                                 break;
1949                         fwrite(buf, sizeof(gchar), strlen(buf), fp);
1950                 }
1951                 fclose(infp);
1952                 break;
1953
1954         case MIMECONTENT_MEM:
1955                 str = g_strdup(mimeinfo->data.mem);
1956                 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
1957                     (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
1958                         *(str2 - 2) = '\0';
1959                 fwrite(str, strlen(str), sizeof(gchar), fp);
1960                 g_free(str);
1961                 break;
1962
1963         default:
1964                 break;
1965         }
1966
1967         childnode = mimeinfo->node->children;
1968         firstboundary = TRUE;
1969         while (childnode != NULL) {
1970                 MimeInfo *child = childnode->data;
1971
1972                 if (firstboundary)
1973                         firstboundary = FALSE;
1974                 else
1975                         fprintf(fp, "\n");
1976                 fprintf(fp, "--%s\n", boundary);
1977
1978                 procmime_write_mime_header(child, fp);
1979                 if (procmime_write_mimeinfo(child, fp) < 0)
1980                         return -1;
1981
1982                 childnode = g_node_next_sibling(childnode);
1983         }
1984         fprintf(fp, "\n--%s--\n", boundary);
1985
1986         return 0;
1987 }
1988
1989 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
1990 {
1991         FILE *infp;
1992
1993         debug_print("procmime_write_mimeinfo\n");
1994
1995         if (G_NODE_IS_LEAF(mimeinfo->node)) {
1996                 switch (mimeinfo->content) {
1997                 case MIMECONTENT_FILE:
1998                         if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1999                                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2000                                 return -1;
2001                         }
2002                         copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2003                         fclose(infp);
2004                         return 0;
2005
2006                 case MIMECONTENT_MEM:
2007                         fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
2008                         return 0;
2009
2010                 default:
2011                         return 0;
2012                 }
2013         } else {
2014                 /* Call writer for mime type */
2015                 switch (mimeinfo->type) {
2016                 case MIMETYPE_MESSAGE:
2017                         if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0)
2018                                 return procmime_write_message_rfc822(mimeinfo, fp);
2019                         break;
2020
2021                 case MIMETYPE_MULTIPART:
2022                         return procmime_write_multipart(mimeinfo, fp);
2023
2024                 default:
2025                         break;
2026                 }
2027
2028                 return -1;
2029         }
2030
2031         return 0;
2032 }