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                         fputs(outbuf, outfp);
 481                 }
 482         } else {
 483                 gchar buf[BUFFSIZE];
 484
 485                 while (fgets(buf, sizeof(buf), infp) != NULL) {
 486                         strcrchomp(buf);
 487                         fputs(buf, outfp);
 488                 }
 489         }
 490
 491         fclose(outfp);
 492         fclose(infp);
 493
 494         if (mimeinfo->content == MIMECONTENT_FILE) {
 495                 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
 496                         unlink(mimeinfo->data.filename);
 497                 g_free(mimeinfo->data.filename);
 498         } else if (mimeinfo->content == MIMECONTENT_MEM) {
 499                 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
 500                         g_free(mimeinfo->data.mem);
 501         }
 502
 503         stat(tmpfilename, &statbuf);
 504         mimeinfo->content = MIMECONTENT_FILE;
 505         mimeinfo->data.filename = tmpfilename;
 506         mimeinfo->tmp = TRUE;
 507         mimeinfo->offset = 0;
 508         mimeinfo->length = statbuf.st_size;
 509         mimeinfo->encoding_type = encoding;
 510
 511         return TRUE;
 512 }
 513
 514 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
 515 {
 516         FILE *infp, *outfp;
 517         gchar buf[BUFFSIZE];
 518         gint restlength, readlength;
 519
 520         g_return_val_if_fail(outfile != NULL, -1);
 521         g_return_val_if_fail(mimeinfo != NULL, -1);
 522
 523         if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
 524                 return -1;
 525
 526         if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
 527                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
 528                 return -1;
 529         }
 530         if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
 531                 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
 532                 fclose(infp);
 533                 return -1;
 534         }
 535         if ((outfp = fopen(outfile, "wb")) == NULL) {
 536                 FILE_OP_ERROR(outfile, "fopen");
 537                 fclose(infp);
 538                 return -1;
 539         }
 540
 541         restlength = mimeinfo->length;
 542
 543         while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
 544                 fwrite(buf, 1, readlength, outfp);
 545                 restlength -= readlength;
 546         }
 547
 548         fclose(infp);
 549         if (fclose(outfp) == EOF) {
 550                 FILE_OP_ERROR(outfile, "fclose");
 551                 unlink(outfile);
 552                 return -1;
 553         }
 554
 555         return 0;
 556 }
 557
 558 struct ContentRenderer {
 559         char * content_type;
 560         char * renderer;
 561 };
 562
 563 static GList * renderer_list = NULL;
 564
 565 static struct ContentRenderer *
 566 content_renderer_new(char * content_type, char * renderer)
 567 {
 568         struct ContentRenderer * cr;
 569
 570         cr = g_new(struct ContentRenderer, 1);
 571         if (cr == NULL)
 572                 return NULL;
 573
 574         cr->content_type = g_strdup(content_type);
 575         cr->renderer = g_strdup(renderer);
 576
 577         return cr;
 578 }
 579
 580 static void content_renderer_free(struct ContentRenderer * cr)
 581 {
 582         g_free(cr->content_type);
 583         g_free(cr->renderer);
 584         g_free(cr);
 585 }
 586
 587 void renderer_read_config(void)
 588 {
 589         gchar buf[BUFFSIZE];
 590         FILE * f;
 591         gchar * rcpath;
 592
 593         g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
 594         renderer_list = NULL;
 595
 596         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 597         f = fopen(rcpath, "rb");
 598         g_free(rcpath);
 599
 600         if (f == NULL)
 601                 return;
 602
 603         while (fgets(buf, BUFFSIZE, f)) {
 604                 char * p;
 605                 struct ContentRenderer * cr;
 606
 607                 strretchomp(buf);
 608                 p = strchr(buf, ' ');
 609                 if (p == NULL)
 610                         continue;
 611                 * p = 0;
 612
 613                 cr = content_renderer_new(buf, p + 1);
 614                 if (cr == NULL)
 615                         continue;
 616
 617                 renderer_list = g_list_append(renderer_list, cr);
 618         }
 619
 620         fclose(f);
 621 }
 622
 623 void renderer_write_config(void)
 624 {
 625         gchar * rcpath;
 626         PrefFile *pfile;
 627         GList * cur;
 628
 629         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
 630
 631         if ((pfile = prefs_write_open(rcpath)) == NULL) {
 632                 g_warning("failed to write configuration to file\n");
 633                 g_free(rcpath);
 634                 return;
 635         }
 636
 637         g_free(rcpath);
 638
 639         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 640                 struct ContentRenderer * renderer;
 641                 renderer = cur->data;
 642                 fprintf(pfile->fp, "%s %s\n", renderer->content_type,
 643                         renderer->renderer);
 644         }
 645
 646         if (prefs_file_close(pfile) < 0) {
 647                 g_warning("failed to write configuration to file\n");
 648                 return;
 649         }
 650 }
 651
 652 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 653 {
 654         FILE *tmpfp, *outfp;
 655         const gchar *src_codeset;
 656         gboolean conv_fail = FALSE;
 657         gchar buf[BUFFSIZE];
 658         gchar *str;
 659         struct ContentRenderer * renderer;
 660         GList * cur;
 661         gchar *tmpfile, *content_type;
 662
 663         g_return_val_if_fail(mimeinfo != NULL, NULL);
 664
 665         if (!procmime_decode_content(mimeinfo))
 666                 return NULL;
 667
 668         tmpfile = procmime_get_tmp_file_name(mimeinfo);
 669         if (tmpfile == NULL)
 670                 return NULL;
 671
 672         if (procmime_get_part(tmpfile, mimeinfo) < 0) {
 673                 g_free(tmpfile);
 674                 return NULL;
 675         }
 676
 677         tmpfp = fopen(tmpfile, "rb");
 678         if (tmpfp == NULL) {
 679                 g_free(tmpfile);
 680                 return NULL;
 681         }
 682
 683         if ((outfp = my_tmpfile()) == NULL) {
 684                 perror("tmpfile");
 685                 fclose(tmpfp);
 686                 g_free(tmpfile);
 687                 return NULL;
 688         }
 689
 690         src_codeset = forced_charset
 691                       ? forced_charset :
 692                       procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 693
 694         renderer = NULL;
 695
 696         content_type = procmime_get_content_type_str(mimeinfo->type,
 697                                                      mimeinfo->subtype);
 698         for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
 699                 struct ContentRenderer * cr;
 700
 701                 cr = cur->data;
 702                 if (g_ascii_strcasecmp(cr->content_type, content_type) == 0) {
 703                         renderer = cr;
 704                         break;
 705                 }
 706         }
 707         g_free(content_type);
 708
 709         if (renderer != NULL) {
 710                 FILE * p;
 711                 int oldout;
 712
 713                 oldout = dup(1);
 714
 715                 dup2(fileno(outfp), 1);
 716
 717                 p = popen(renderer->renderer, "w");
 718                 if (p != NULL) {
 719                         size_t count;
 720
 721                         while ((count =
 722                                 fread(buf, sizeof(char), sizeof(buf),
 723                                       tmpfp)) > 0)
 724                                 fwrite(buf, sizeof(char), count, p);
 725                         pclose(p);
 726                 }
 727
 728                 dup2(oldout, 1);
 729 #warning FIXME_GTK2 HTML/RTF not yet utf8
 730 /* CodeConverter seems to have no effect here */
 731         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
 732                 HTMLParser *parser;
 733                 CodeConverter *conv;
 734
 735                 conv = conv_code_converter_new(src_codeset);
 736                 parser = html_parser_new(tmpfp, conv);
 737                 while ((str = html_parse(parser)) != NULL) {
 738                         fputs(str, outfp);
 739                 }
 740                 html_parser_destroy(parser);
 741                 conv_code_converter_destroy(conv);
 742         } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
 743                 ERTFParser *parser;
 744                 CodeConverter *conv;
 745
 746                 conv = conv_code_converter_new(src_codeset);
 747                 parser = ertf_parser_new(tmpfp, conv);
 748                 while ((str = ertf_parse(parser)) != NULL) {
 749                         fputs(str, outfp);
 750                 }
 751                 ertf_parser_destroy(parser);
 752                 conv_code_converter_destroy(conv);
 753         } else if (mimeinfo->type == MIMETYPE_TEXT) {
 754                 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
 755                         str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
 756                         if (str) {
 757                                 fputs(str, outfp);
 758                                 g_free(str);
 759                         } else {
 760                                 conv_fail = TRUE;
 761                                 fputs(buf, outfp);
 762                         }
 763                 }
 764         }
 765
 766         if (conv_fail)
 767                 g_warning("procmime_get_text_content(): Code conversion failed.\n");
 768
 769         fclose(tmpfp);
 770         rewind(outfp);
 771         unlink(tmpfile);
 772         g_free(tmpfile);
 773
 774         return outfp;
 775 }
 776
 777 /* search the first text part of (multipart) MIME message,
 778    decode, convert it and output to outfp. */
 779 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
 780 {
 781         FILE *outfp = NULL;
 782         MimeInfo *mimeinfo, *partinfo;
 783
 784         g_return_val_if_fail(msginfo != NULL, NULL);
 785
 786         mimeinfo = procmime_scan_message(msginfo);
 787         if (!mimeinfo) return NULL;
 788
 789         partinfo = mimeinfo;
 790         while (partinfo && partinfo->type != MIMETYPE_TEXT)
 791                 partinfo = procmime_mimeinfo_next(partinfo);
 792
 793         if (partinfo)
 794                 outfp = procmime_get_text_content(partinfo);
 795
 796         procmime_mimeinfo_free_all(mimeinfo);
 797
 798         return outfp;
 799 }
 800
 801 gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
 802                                    const gchar *str, StrFindFunc find_func)
 803 {
 804         FILE *outfp;
 805         gchar buf[BUFFSIZE];
 806
 807         g_return_val_if_fail(mimeinfo != NULL, FALSE);
 808         g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
 809         g_return_val_if_fail(str != NULL, FALSE);
 810         g_return_val_if_fail(find_func != NULL, FALSE);
 811
 812         outfp = procmime_get_text_content(mimeinfo);
 813
 814         if (!outfp)
 815                 return FALSE;
 816
 817         while (fgets(buf, sizeof(buf), outfp) != NULL) {
 818                 strretchomp(buf);
 819                 if (find_func(buf, str)) {
 820                         fclose(outfp);
 821                         return TRUE;
 822                 }
 823         }
 824
 825         fclose(outfp);
 826
 827         return FALSE;
 828 }
 829
 830 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
 831                               StrFindFunc find_func)
 832 {
 833         MimeInfo *mimeinfo;
 834         MimeInfo *partinfo;
 835         gchar *filename;
 836         gboolean found = FALSE;
 837
 838         g_return_val_if_fail(msginfo != NULL, FALSE);
 839         g_return_val_if_fail(str != NULL, FALSE);
 840         g_return_val_if_fail(find_func != NULL, FALSE);
 841
 842         filename = procmsg_get_message_file(msginfo);
 843         if (!filename) return FALSE;
 844         mimeinfo = procmime_scan_message(msginfo);
 845
 846         for (partinfo = mimeinfo; partinfo != NULL;
 847              partinfo = procmime_mimeinfo_next(partinfo)) {
 848                 if (partinfo->type == MIMETYPE_TEXT) {
 849                         if (procmime_find_string_part
 850                                 (partinfo, filename, str, find_func) == TRUE) {
 851                                 found = TRUE;
 852                                 break;
 853                         }
 854                 }
 855         }
 856
 857         procmime_mimeinfo_free_all(mimeinfo);
 858         g_free(filename);
 859
 860         return found;
 861 }
 862
 863 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
 864 {
 865         static guint32 id = 0;
 866         gchar *base;
 867         gchar *filename;
 868         gchar f_prefix[10];
 869
 870         g_return_val_if_fail(mimeinfo != NULL, NULL);
 871
 872         g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
 873
 874         if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
 875                 base = g_strdup("mimetmp.html");
 876         else {
 877                 const gchar *basetmp;
 878
 879                 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
 880                 if (basetmp == NULL)
 881                         basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
 882                 if (basetmp == NULL)
 883                         basetmp = "mimetmp";
 884                 base = g_path_get_basename(basetmp);
 885                 if (*base == '\0') base = g_strdup("mimetmp");
 886                 subst_for_shellsafe_filename(base);
 887         }
 888
 889         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 890                                f_prefix, base, NULL);
 891
 892         g_free(base);
 893         return filename;
 894 }
 895
 896 static GList *mime_type_list = NULL;
 897
 898 gchar *procmime_get_mime_type(const gchar *filename)
 899 {
 900         static GHashTable *mime_type_table = NULL;
 901         MimeType *mime_type;
 902         const gchar *p;
 903         gchar *ext;
 904         gchar *base;
 905
 906         if (!mime_type_table) {
 907                 mime_type_table = procmime_get_mime_type_table();
 908                 if (!mime_type_table) return NULL;
 909         }
 910
 911         base = g_path_get_basename(filename);
 912         p = strrchr(base, '.');
 913         g_free(base);
 914         if (!p) return NULL;
 915
 916         Xstrdup_a(ext, p + 1, return NULL);
 917         g_strdown(ext);
 918         mime_type = g_hash_table_lookup(mime_type_table, ext);
 919         if (mime_type) {
 920                 gchar *str;
 921
 922                 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
 923                                   NULL);
 924                 return str;
 925         }
 926
 927         return NULL;
 928 }
 929
 930 static guint procmime_str_hash(gconstpointer gptr)
 931 {
 932         guint hash_result = 0;
 933         const char *str;
 934
 935         for (str = gptr; str && *str; str++) {
 936                 if (isupper(*str)) hash_result += (*str + ' ');
 937                 else hash_result += *str;
 938         }
 939
 940         return hash_result;
 941 }
 942
 943 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
 944 {
 945         const char *str1 = gptr1;
 946         const char *str2 = gptr2;
 947
 948         return !g_utf8_collate(str1, str2);
 949 }
 950
 951 static GHashTable *procmime_get_mime_type_table(void)
 952 {
 953         GHashTable *table = NULL;
 954         GList *cur;
 955         MimeType *mime_type;
 956         gchar **exts;
 957
 958         if (!mime_type_list) {
 959                 mime_type_list = procmime_get_mime_type_list();
 960                 if (!mime_type_list) return NULL;
 961         }
 962
 963         table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
 964
 965         for (cur = mime_type_list; cur != NULL; cur = cur->next) {
 966                 gint i;
 967                 gchar *key;
 968
 969                 mime_type = (MimeType *)cur->data;
 970
 971                 if (!mime_type->extension) continue;
 972
 973                 exts = g_strsplit(mime_type->extension, " ", 16);
 974                 for (i = 0; exts[i] != NULL; i++) {
 975                         /* make the key case insensitive */
 976                         g_strdown(exts[i]);
 977                         /* use previously dup'd key on overwriting */
 978                         if (g_hash_table_lookup(table, exts[i]))
 979                                 key = exts[i];
 980                         else
 981                                 key = g_strdup(exts[i]);
 982                         g_hash_table_insert(table, key, mime_type);
 983                 }
 984                 g_strfreev(exts);
 985         }
 986
 987         return table;
 988 }
 989
 990 GList *procmime_get_mime_type_list(void)
 991 {
 992         GList *list = NULL;
 993         FILE *fp;
 994         gchar buf[BUFFSIZE];
 995         guchar *p;
 996         gchar *delim;
 997         MimeType *mime_type;
 998
 999         if (mime_type_list)
1000                 return mime_type_list;
1001
1002         if ((fp = fopen("/etc/mime.types", "rb")) == NULL) {
1003                 if ((fp = fopen(SYSCONFDIR "/mime.types", "rb")) == NULL) {
1004                         FILE_OP_ERROR(SYSCONFDIR "/mime.types", "fopen");
1005                         return NULL;
1006                 }
1007         }
1008
1009         while (fgets(buf, sizeof(buf), fp) != NULL) {
1010                 p = strchr(buf, '#');
1011                 if (p) *p = '\0';
1012                 g_strstrip(buf);
1013
1014                 p = buf;
1015                 while (*p && !isspace(*p)) p++;
1016                 if (*p) {
1017                         *p = '\0';
1018                         p++;
1019                 }
1020                 delim = strchr(buf, '/');
1021                 if (delim == NULL) continue;
1022                 *delim = '\0';
1023
1024                 mime_type = g_new(MimeType, 1);
1025                 mime_type->type = g_strdup(buf);
1026                 mime_type->sub_type = g_strdup(delim + 1);
1027
1028                 while (*p && isspace(*p)) p++;
1029                 if (*p)
1030                         mime_type->extension = g_strdup(p);
1031                 else
1032                         mime_type->extension = NULL;
1033
1034                 list = g_list_append(list, mime_type);
1035         }
1036
1037         fclose(fp);
1038
1039         if (!list)
1040                 g_warning("Can't read mime.types\n");
1041
1042         return list;
1043 }
1044
1045 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1046 {
1047         if (!charset)
1048                 return ENC_8BIT;
1049         else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1050                  !g_ascii_strcasecmp(charset, "US-ASCII"))
1051                 return ENC_7BIT;
1052         else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1053                  !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1054                  !g_ascii_strcasecmp(charset, "Windows-1251"))
1055                 return ENC_8BIT;
1056         else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1057                 return ENC_QUOTED_PRINTABLE;
1058         else
1059                 return ENC_8BIT;
1060 }
1061
1062 EncodingType procmime_get_encoding_for_text_file(const gchar *file)
1063 {
1064         FILE *fp;
1065         guchar buf[BUFFSIZE];
1066         size_t len;
1067         size_t octet_chars = 0;
1068         size_t total_len = 0;
1069         gfloat octet_percentage;
1070
1071         if ((fp = fopen(file, "rb")) == NULL) {
1072                 FILE_OP_ERROR(file, "fopen");
1073                 return ENC_UNKNOWN;
1074         }
1075
1076         while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1077                 guchar *p;
1078                 gint i;
1079
1080                 for (p = buf, i = 0; i < len; ++p, ++i) {
1081                         if (*p & 0x80)
1082                                 ++octet_chars;
1083                 }
1084                 total_len += len;
1085         }
1086
1087         fclose(fp);
1088
1089         if (total_len > 0)
1090                 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1091         else
1092                 octet_percentage = 0.0;
1093
1094         debug_print("procmime_get_encoding_for_text_file(): "
1095                     "8bit chars: %d / %d (%f%%)\n", octet_chars, total_len,
1096                     100.0 * octet_percentage);
1097
1098         if (octet_percentage > 0.20) {
1099                 debug_print("using BASE64\n");
1100                 return ENC_BASE64;
1101         } else if (octet_chars > 0) {
1102                 debug_print("using quoted-printable\n");
1103                 return ENC_QUOTED_PRINTABLE;
1104         } else {
1105                 debug_print("using 7bit\n");
1106                 return ENC_7BIT;
1107         }
1108 }
1109
1110 struct EncodingTable
1111 {
1112         gchar *str;
1113         EncodingType enc_type;
1114 };
1115
1116 struct EncodingTable encoding_table[] = {
1117         {"7bit", ENC_7BIT},
1118         {"8bit", ENC_8BIT},
1119         {"binary", ENC_BINARY},
1120         {"quoted-printable", ENC_QUOTED_PRINTABLE},
1121         {"base64", ENC_BASE64},
1122         {"x-uuencode", ENC_UNKNOWN},
1123         {NULL, ENC_UNKNOWN},
1124 };
1125
1126 const gchar *procmime_get_encoding_str(EncodingType encoding)
1127 {
1128         struct EncodingTable *enc_table;
1129
1130         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1131                 if (enc_table->enc_type == encoding)
1132                         return enc_table->str;
1133         }
1134         return NULL;
1135 }
1136
1137 /* --- NEW MIME STUFF --- */
1138 struct TypeTable
1139 {
1140         gchar *str;
1141         MimeMediaType type;
1142 };
1143
1144 static struct TypeTable mime_type_table[] = {
1145         {"text", MIMETYPE_TEXT},
1146         {"image", MIMETYPE_IMAGE},
1147         {"audio", MIMETYPE_AUDIO},
1148         {"video", MIMETYPE_VIDEO},
1149         {"application", MIMETYPE_APPLICATION},
1150         {"message", MIMETYPE_MESSAGE},
1151         {"multipart", MIMETYPE_MULTIPART},
1152         {NULL, 0},
1153 };
1154
1155 const gchar *procmime_get_media_type_str(MimeMediaType type)
1156 {
1157         struct TypeTable *type_table;
1158
1159         for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1160                 if (type_table->type == type)
1161                         return type_table->str;
1162         }
1163         return NULL;
1164 }
1165
1166 MimeMediaType procmime_get_media_type(const gchar *str)
1167 {
1168         struct TypeTable *typetablearray;
1169
1170         for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1171                 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1172                         return typetablearray->type;
1173
1174         return MIMETYPE_UNKNOWN;
1175 }
1176
1177 /*!
1178  *\brief        Safe wrapper for content type string.
1179  *
1180  *\return       const gchar * Pointer to content type string.
1181  */
1182 gchar *procmime_get_content_type_str(MimeMediaType type,
1183                                            const char *subtype)
1184 {
1185         const gchar *type_str = NULL;
1186
1187         if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1188                 return g_strdup("unknown");
1189         return g_strdup_printf("%s/%s", type_str, subtype);
1190 }
1191
1192 void procmime_parse_mimepart(MimeInfo *parent,
1193                              gchar *content_type,
1194                              gchar *content_encoding,
1195                              gchar *content_description,
1196                              gchar *content_id,
1197                              gchar *content_disposition,
1198                              const gchar *filename,
1199                              guint offset,
1200                              guint length);
1201
1202 void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
1203 {
1204         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1205                                 {"Content-Transfer-Encoding:",
1206                                                    NULL, FALSE},
1207                                 {"Content-Description:",
1208                                                    NULL, TRUE},
1209                                 {"Content-ID:",
1210                                                    NULL, TRUE},
1211                                 {"Content-Disposition:",
1212                                                    NULL, TRUE},
1213                                 {"MIME-Version:",
1214                                                    NULL, TRUE},
1215                                 {NULL,             NULL, FALSE}};
1216         guint content_start, i;
1217         FILE *fp;
1218         gint mime_major, mime_minor;
1219
1220         procmime_decode_content(mimeinfo);
1221
1222         fp = fopen(mimeinfo->data.filename, "rb");
1223         if (fp == NULL) {
1224                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1225                 return;
1226         }
1227         fseek(fp, mimeinfo->offset, SEEK_SET);
1228         procheader_get_header_fields(fp, hentry);
1229         if (hentry[0].body != NULL)
1230                 conv_unmime_header_overwrite(hentry[0].body);
1231         if (hentry[2].body != NULL)
1232                 conv_unmime_header_overwrite(hentry[2].body);
1233         if (hentry[4].body != NULL)
1234                 conv_unmime_header_overwrite(hentry[4].body);
1235         content_start = ftell(fp);
1236         fclose(fp);
1237
1238         if ((hentry[5].body != NULL) &&
1239             (sscanf(hentry[5].body, "%d.%d", &mime_major, &mime_minor) == 2) &&
1240             (mime_major == 1) && (mime_minor == 0)) {
1241                 procmime_parse_mimepart(mimeinfo,
1242                                         hentry[0].body, hentry[1].body,
1243                                         hentry[2].body, hentry[3].body,
1244                                         hentry[4].body,
1245                                         mimeinfo->data.filename, content_start,
1246                                         mimeinfo->length - (content_start - mimeinfo->offset));
1247         } else {
1248                 MimeInfo *subinfo;
1249
1250                 subinfo = procmime_mimeinfo_new();
1251                 subinfo->content = MIMECONTENT_FILE;
1252                 subinfo->encoding_type = ENC_UNKNOWN;
1253                 subinfo->type = MIMETYPE_TEXT;
1254                 subinfo->subtype = g_strdup("plain");
1255                 subinfo->data.filename = g_strdup(mimeinfo->data.filename);
1256                 subinfo->offset = content_start;
1257                 subinfo->length = mimeinfo->length - (content_start - mimeinfo->offset);
1258
1259                 g_node_append(mimeinfo->node, subinfo->node);
1260         }
1261         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1262                 g_free(hentry[i].body);
1263                 hentry[i].body = NULL;
1264         }
1265 }
1266
1267 void procmime_parse_multipart(MimeInfo *mimeinfo)
1268 {
1269         HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
1270                                 {"Content-Transfer-Encoding:",
1271                                                    NULL, FALSE},
1272                                 {"Content-Description:",
1273                                                    NULL, TRUE},
1274                                 {"Content-ID:",
1275                                                    NULL, TRUE},
1276                                 {"Content-Disposition:",
1277                                                    NULL, TRUE},
1278                                 {NULL,             NULL, FALSE}};
1279         gchar *p;
1280         gchar *boundary;
1281         gint boundary_len = 0, lastoffset = -1, i;
1282         gchar buf[BUFFSIZE];
1283         FILE *fp;
1284
1285         boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1286         if (!boundary)
1287                 return;
1288         boundary_len = strlen(boundary);
1289
1290         procmime_decode_content(mimeinfo);
1291
1292         fp = fopen(mimeinfo->data.filename, "rb");
1293         if (fp == NULL) {
1294                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1295                 return;
1296         }
1297         fseek(fp, mimeinfo->offset, SEEK_SET);
1298         while ((p = fgets(buf, sizeof(buf), fp)) != NULL) {
1299                 if (ftell(fp) > (mimeinfo->offset + mimeinfo->length))
1300                         break;
1301
1302                 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1303                         if (lastoffset != -1) {
1304                                 procmime_parse_mimepart(mimeinfo,
1305                                                         hentry[0].body, hentry[1].body,
1306                                                         hentry[2].body, hentry[3].body,
1307                                                         hentry[4].body,
1308                                                         mimeinfo->data.filename, lastoffset,
1309                                                         (ftell(fp) - strlen(buf)) - lastoffset - 1);
1310                         }
1311
1312                         if (buf[2 + boundary_len]     == '-' &&
1313                             buf[2 + boundary_len + 1] == '-')
1314                                 break;
1315
1316                         for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1317                                 g_free(hentry[i].body);
1318                                 hentry[i].body = NULL;
1319                         }
1320                         procheader_get_header_fields(fp, hentry);
1321                         if (hentry[0].body != NULL)
1322                                 conv_unmime_header_overwrite(hentry[0].body);
1323                         if (hentry[2].body != NULL)
1324                                 conv_unmime_header_overwrite(hentry[2].body);
1325                         if (hentry[4].body != NULL)
1326                                 conv_unmime_header_overwrite(hentry[4].body);
1327                         lastoffset = ftell(fp);
1328                 }
1329         }
1330         for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1331                 g_free(hentry[i].body);
1332                 hentry[i].body = NULL;
1333         }
1334         fclose(fp);
1335 }
1336
1337 static void parse_parameters(const gchar *parameters, GHashTable *table)
1338 {
1339         gchar *params, *param, *next;
1340         GSList *convlist = NULL, *concatlist = NULL, *cur;
1341
1342         params = g_strdup(parameters);
1343         param = params;
1344         next = params;
1345         for (; next != NULL; param = next) {
1346                 gchar *attribute, *value, *tmp;
1347                 gint len;
1348                 gboolean convert = FALSE;
1349
1350                 next = strchr_with_skip_quote(param, '"', ';');
1351                 if (next != NULL) {
1352                         next[0] = '\0';
1353                         next++;
1354                 }
1355
1356                 g_strstrip(param);
1357
1358                 attribute = param;
1359                 value = strchr(attribute, '=');
1360                 if (value == NULL)
1361                         continue;
1362
1363                 value[0] = '\0';
1364                 value++;
1365
1366                 g_strdown(attribute);
1367
1368                 len = strlen(attribute);
1369                 if (attribute[len - 1] == '*') {
1370                         gchar *srcpos, *dstpos, *endpos;
1371
1372                         convert = TRUE;
1373                         attribute[len - 1] = '\0';
1374
1375                         srcpos = value;
1376                         dstpos = value;
1377                         endpos = value + strlen(value);
1378                         while (srcpos < endpos) {
1379                                 if (*srcpos != '%')
1380                                         *dstpos = *srcpos;
1381                                 else {
1382                                         guchar dstvalue;
1383
1384                                         if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1385                                                 *dstpos = '?';
1386                                         else
1387                                                 *dstpos = dstvalue;
1388                                         srcpos += 2;
1389                                 }
1390                                 srcpos++;
1391                                 dstpos++;
1392                         }
1393                         *dstpos = '\0';
1394                 } else {
1395                         if (value[0] == '"')
1396                                 extract_quote(value, '"');
1397                         else if ((tmp = strchr(value, ' ')) != NULL)
1398                                 *tmp = '\0';
1399                 }
1400
1401                 if (strrchr(attribute, '*') != NULL) {
1402                         gchar *tmpattr;
1403
1404                         tmpattr = g_strdup(attribute);
1405                         tmp = strrchr(tmpattr, '*');
1406                         tmp[0] = '\0';
1407
1408                         if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1409                             (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1410                                 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1411
1412                         if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1413                                 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1414
1415                         g_free(tmpattr);
1416                 } else if (convert) {
1417                         if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1418                                 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1419                 }
1420
1421                 if (g_hash_table_lookup(table, attribute) == NULL)
1422                         g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1423         }
1424
1425         for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1426                 gchar *attribute, *attrwnum, *partvalue;
1427                 gint n = 0;
1428                 GString *value;
1429
1430                 attribute = (gchar *) cur->data;
1431                 value = g_string_sized_new(64);
1432
1433                 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1434                 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1435                         g_string_append(value, partvalue);
1436
1437                         g_free(attrwnum);
1438                         n++;
1439                         attrwnum = g_strdup_printf("%s*%d", attribute, n);
1440                 }
1441                 g_free(attrwnum);
1442
1443                 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1444                 g_string_free(value, TRUE);
1445         }
1446         slist_free_strings(concatlist);
1447         g_slist_free(concatlist);
1448
1449         for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1450                 gchar *attribute, *key, *value;
1451                 gchar *charset, *lang, *oldvalue, *newvalue;
1452
1453                 attribute = (gchar *) cur->data;
1454                 if (!g_hash_table_lookup_extended(table, attribute, (gpointer *) &key, (gpointer *) &value))
1455                         continue;
1456
1457                 charset = value;
1458                 lang = strchr(charset, '\'');
1459                 if (lang == NULL)
1460                         continue;
1461                 lang[0] = '\0';
1462                 lang++;
1463                 oldvalue = strchr(lang, '\'');
1464                 if (oldvalue == NULL)
1465                         continue;
1466                 oldvalue[0] = '\0';
1467                 oldvalue++;
1468
1469                 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1470
1471                 g_hash_table_remove(table, attribute);
1472                 g_free(key);
1473                 g_free(value);
1474
1475                 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1476         }
1477         slist_free_strings(convlist);
1478         g_slist_free(convlist);
1479
1480         g_free(params);
1481 }
1482
1483 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1484 {
1485         g_return_if_fail(content_type != NULL);
1486         g_return_if_fail(mimeinfo != NULL);
1487
1488         /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1489          * if it's not available we use the default Content-Type */
1490         if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1491                 mimeinfo->type = MIMETYPE_TEXT;
1492                 mimeinfo->subtype = g_strdup("plain");
1493                 if (g_hash_table_lookup(mimeinfo->typeparameters,
1494                                        "charset") == NULL)
1495                         g_hash_table_insert(mimeinfo->typeparameters,
1496                                             g_strdup("charset"),
1497                                             g_strdup("us-ascii"));
1498         } else {
1499                 gchar *type, *subtype, *params;
1500
1501                 type = g_strdup(content_type);
1502                 subtype = strchr(type, '/') + 1;
1503                 *(subtype - 1) = '\0';
1504                 if ((params = strchr(subtype, ';')) != NULL) {
1505                         params[0] = '\0';
1506                         params++;
1507                 }
1508
1509                 mimeinfo->type = procmime_get_media_type(type);
1510                 mimeinfo->subtype = g_strdup(subtype);
1511
1512                 /* Get mimeinfo->typeparameters */
1513                 if (params != NULL)
1514                         parse_parameters(params, mimeinfo->typeparameters);
1515
1516                 g_free(type);
1517         }
1518 }
1519
1520 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1521 {
1522         gchar *tmp, *params;
1523
1524         g_return_if_fail(content_disposition != NULL);
1525         g_return_if_fail(mimeinfo != NULL);
1526
1527         tmp = g_strdup(content_disposition);
1528         if ((params = strchr(tmp, ';')) != NULL) {
1529                 params[0] = '\0';
1530                 params++;
1531         }
1532         g_strstrip(tmp);
1533
1534         if (!g_ascii_strcasecmp(tmp, "inline"))
1535                 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1536         else if (!g_ascii_strcasecmp(tmp, "attachment"))
1537                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1538         else
1539                 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1540
1541         if (params != NULL)
1542                 parse_parameters(params, mimeinfo->dispositionparameters);
1543
1544         g_free(tmp);
1545 }
1546
1547
1548 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1549 {
1550         struct EncodingTable *enc_table;
1551
1552         for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1553                 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1554                         mimeinfo->encoding_type = enc_table->enc_type;
1555                         return;
1556                 }
1557         }
1558         mimeinfo->encoding_type = ENC_UNKNOWN;
1559         return;
1560 }
1561
1562 void procmime_parse_mimepart(MimeInfo *parent,
1563                              gchar *content_type,
1564                              gchar *content_encoding,
1565                              gchar *content_description,
1566                              gchar *content_id,
1567                              gchar *content_disposition,
1568                              const gchar *filename,
1569                              guint offset,
1570                              guint length)
1571 {
1572         MimeInfo *mimeinfo;
1573
1574         /* Create MimeInfo */
1575         mimeinfo = procmime_mimeinfo_new();
1576         mimeinfo->content = MIMECONTENT_FILE;
1577         if (parent != NULL)
1578                 g_node_append(parent->node, mimeinfo->node);
1579         mimeinfo->data.filename = g_strdup(filename);
1580         mimeinfo->offset = offset;
1581         mimeinfo->length = length;
1582
1583         if (content_type != NULL) {
1584                 procmime_parse_content_type(content_type, mimeinfo);
1585         } else {
1586                 mimeinfo->type = MIMETYPE_TEXT;
1587                 mimeinfo->subtype = g_strdup("plain");
1588                 if (g_hash_table_lookup(mimeinfo->typeparameters,
1589                                        "charset") == NULL)
1590                         g_hash_table_insert(mimeinfo->typeparameters, g_strdup("charset"), g_strdup("us-ascii"));
1591         }
1592
1593         if (content_encoding != NULL) {
1594                 procmime_parse_content_encoding(content_encoding, mimeinfo);
1595         } else {
1596                 mimeinfo->encoding_type = ENC_UNKNOWN;
1597         }
1598
1599         if (content_description != NULL)
1600                 mimeinfo->description = g_strdup(content_description);
1601         else
1602                 mimeinfo->description = NULL;
1603
1604         if (content_id != NULL)
1605                 mimeinfo->id = g_strdup(content_id);
1606         else
1607                 mimeinfo->id = NULL;
1608
1609         if (content_disposition != NULL)
1610                 procmime_parse_content_disposition(content_disposition, mimeinfo);
1611         else
1612                 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1613
1614         /* Call parser for mime type */
1615         switch (mimeinfo->type) {
1616                 case MIMETYPE_MESSAGE:
1617                         if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1618                                 procmime_parse_message_rfc822(mimeinfo);
1619                         }
1620                         break;
1621
1622                 case MIMETYPE_MULTIPART:
1623                         procmime_parse_multipart(mimeinfo);
1624                         break;
1625
1626                 default:
1627                         break;
1628         }
1629 }
1630
1631 static gchar *typenames[] = {
1632     "text",
1633     "image",
1634     "audio",
1635     "video",
1636     "application",
1637     "message",
1638     "multipart",
1639     "unknown",
1640 };
1641
1642 static gboolean output_func(GNode *node, gpointer data)
1643 {
1644         guint i, depth;
1645         MimeInfo *mimeinfo = (MimeInfo *) node->data;
1646
1647         depth = g_node_depth(node);
1648         for (i = 0; i < depth; i++)
1649                 printf("    ");
1650         printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1651
1652         return FALSE;
1653 }
1654
1655 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1656 {
1657         g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1658 }
1659
1660 MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
1661 {
1662         MimeInfo *mimeinfo;
1663         struct stat buf;
1664
1665         stat(filename, &buf);
1666
1667         mimeinfo = procmime_mimeinfo_new();
1668         mimeinfo->content = MIMECONTENT_FILE;
1669         mimeinfo->encoding_type = ENC_UNKNOWN;
1670         mimeinfo->type = MIMETYPE_MESSAGE;
1671         mimeinfo->subtype = g_strdup("rfc822");
1672         mimeinfo->data.filename = g_strdup(filename);
1673         mimeinfo->offset = offset;
1674         mimeinfo->length = buf.st_size - offset;
1675
1676         procmime_parse_message_rfc822(mimeinfo);
1677         if (debug_get_mode())
1678                 output_mime_structure(mimeinfo, 0);
1679
1680         return mimeinfo;
1681 }
1682
1683 MimeInfo *procmime_scan_file(const gchar *filename)
1684 {
1685         MimeInfo *mimeinfo;
1686
1687         g_return_val_if_fail(filename != NULL, NULL);
1688
1689         mimeinfo = procmime_scan_file_with_offset(filename, 0);
1690
1691         return mimeinfo;
1692 }
1693
1694 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1695 {
1696         FILE *fp;
1697         MimeInfo *mimeinfo;
1698         gchar buf[BUFFSIZE];
1699         gint offset = 0;
1700
1701         g_return_val_if_fail(filename != NULL, NULL);
1702
1703         /* Open file */
1704         if ((fp = fopen(filename, "rb")) == NULL)
1705                 return NULL;
1706         /* Skip queue header */
1707         while (fgets(buf, sizeof(buf), fp) != NULL)
1708                 if (buf[0] == '\r' || buf[0] == '\n') break;
1709         offset = ftell(fp);
1710         fclose(fp);
1711
1712         mimeinfo = procmime_scan_file_with_offset(filename, offset);
1713
1714         return mimeinfo;
1715 }
1716
1717 typedef enum {
1718     ENC_AS_TOKEN,
1719     ENC_AS_QUOTED_STRING,
1720     ENC_AS_EXTENDED,
1721 } EncodeAs;
1722
1723 typedef struct _ParametersData {
1724         FILE *fp;
1725         guint len;
1726 } ParametersData;
1727
1728 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1729 {
1730         gchar *param = key;
1731         gchar *val = value, *valpos;
1732         ParametersData *pdata = (ParametersData *)user_data;
1733         GString *buf = g_string_new("");
1734
1735         EncodeAs encas = ENC_AS_TOKEN;
1736
1737         for (valpos = val; *valpos != 0; valpos++) {
1738                 if (!IS_ASCII(*valpos)) {
1739                         encas = ENC_AS_EXTENDED;
1740                         break;
1741                 }
1742
1743                 /* CTLs */
1744                 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
1745                         encas = ENC_AS_QUOTED_STRING;
1746                         continue;
1747                 }
1748
1749                 /* tspecials + SPACE */
1750                 switch (*valpos) {
1751                 case ' ':
1752                 case '(':
1753                 case ')':
1754                 case '<':
1755                 case '>':
1756                 case '@':
1757                 case ',':
1758                 case ';':
1759                 case ':':
1760                 case '\\':
1761                 case '"':
1762                 case '/':
1763                 case '[':
1764                 case ']':
1765                 case '?':
1766                 case '=':
1767                         encas = ENC_AS_QUOTED_STRING;
1768                         continue;
1769                 }
1770         }
1771
1772         switch (encas) {
1773         case ENC_AS_TOKEN:
1774                 g_string_append_printf(buf, "%s=%s", param, val);
1775                 break;
1776
1777         case ENC_AS_QUOTED_STRING:
1778                 g_string_append_printf(buf, "%s=\"%s\"", param, val);
1779                 break;
1780
1781         case ENC_AS_EXTENDED:
1782                 g_string_append_printf(buf, "%s*=%s''", param,
1783                         conv_get_locale_charset_str());
1784                 for (valpos = val; *valpos != '\0'; valpos++) {
1785                         if (IS_ASCII(*valpos) && isalnum(*valpos)) {
1786                                 g_string_append_printf(buf, "%c", *valpos);
1787                         } else {
1788                                 gchar hexstr[3] = "XX";
1789                                 get_hex_str(hexstr, *valpos);
1790                                 g_string_append_printf(buf, "%%%s", hexstr);
1791                         }
1792                 }
1793                 break;
1794         }
1795
1796         if (buf->str && strlen(buf->str)) {
1797                 if (pdata->len + strlen(buf->str) + 2 > 76) {
1798                         fprintf(pdata->fp, ";\n %s", buf->str);
1799                         pdata->len = strlen(buf->str) + 1;
1800                 } else {
1801                         fprintf(pdata->fp, "; %s", buf->str);
1802                         pdata->len += strlen(buf->str) + 2;
1803                 }
1804         }
1805         g_string_free(buf, TRUE);
1806 }
1807
1808 void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
1809 {
1810         struct TypeTable *type_table;
1811         ParametersData *pdata = g_new0(ParametersData, 1);
1812         debug_print("procmime_write_mime_header\n");
1813
1814         pdata->fp = fp;
1815
1816         for (type_table = mime_type_table; type_table->str != NULL; type_table++)
1817                 if (mimeinfo->type == type_table->type) {
1818                         gchar *buf = g_strdup_printf(
1819                                 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
1820                         fprintf(fp, "%s", buf);
1821                         pdata->len = strlen(buf);
1822                         g_free(buf);
1823                         break;
1824                 }
1825         g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
1826         g_free(pdata);
1827
1828         fprintf(fp, "\n");
1829
1830         if (mimeinfo->encoding_type != ENC_UNKNOWN)
1831                 fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
1832
1833         if (mimeinfo->description != NULL)
1834                 fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
1835
1836         if (mimeinfo->id != NULL)
1837                 fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
1838
1839         if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
1840                 ParametersData *pdata = g_new0(ParametersData, 1);
1841                 gchar *buf = NULL;
1842                 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
1843                         buf = g_strdup("Content-Disposition: inline");
1844                 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
1845                         buf = g_strdup("Content-Disposition: attachment");
1846                 else
1847                         buf = g_strdup("Content-Disposition: unknown");
1848
1849                 fprintf(fp, "%s", buf);
1850                 pdata->len = strlen(buf);
1851                 g_free(buf);
1852
1853                 pdata->fp = fp;
1854                 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
1855                 g_free(pdata);
1856                 fprintf(fp, "\n");
1857         }
1858
1859         fprintf(fp, "\n");
1860 }
1861
1862 gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
1863 {
1864         FILE *infp;
1865         GNode *childnode;
1866         MimeInfo *child;
1867         gchar buf[BUFFSIZE];
1868         gboolean skip = FALSE;;
1869
1870         debug_print("procmime_write_message_rfc822\n");
1871
1872         /* write header */
1873         switch (mimeinfo->content) {
1874         case MIMECONTENT_FILE:
1875                 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1876                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1877                         return -1;
1878                 }
1879                 fseek(infp, mimeinfo->offset, SEEK_SET);
1880                 while (fgets(buf, sizeof(buf), infp) == buf) {
1881                         if (buf[0] == '\n' && buf[1] == '\0')
1882                                 break;
1883                         if (skip && (buf[0] == ' ' || buf[0] == '\t'))
1884                                 continue;
1885                         if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
1886                             g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
1887                             g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
1888                             g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
1889                             g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
1890                             g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
1891                                 skip = TRUE;
1892                                 continue;
1893                         }
1894                         fwrite(buf, sizeof(gchar), strlen(buf), fp);
1895                         skip = FALSE;
1896                 }
1897                 fclose(infp);
1898                 break;
1899
1900         case MIMECONTENT_MEM:
1901                 fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1902                 break;
1903
1904         default:
1905                 break;
1906         }
1907
1908         childnode = mimeinfo->node->children;
1909         if (childnode == NULL)
1910                 return -1;
1911
1912         child = (MimeInfo *) childnode->data;
1913         fprintf(fp, "Mime-Version: 1.0\n");
1914         procmime_write_mime_header(child, fp);
1915         return procmime_write_mimeinfo(child, fp);
1916 }
1917
1918 gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
1919 {
1920         FILE *infp;
1921         GNode *childnode;
1922         gchar *boundary, *str, *str2;
1923         gchar buf[BUFFSIZE];
1924         gboolean firstboundary;
1925
1926         debug_print("procmime_write_multipart\n");
1927
1928         boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1929
1930         switch (mimeinfo->content) {
1931         case MIMECONTENT_FILE:
1932                 if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1933                         FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1934                         return -1;
1935                 }
1936                 fseek(infp, mimeinfo->offset, SEEK_SET);
1937                 while (fgets(buf, sizeof(buf), infp) == buf) {
1938                         if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
1939                                 break;
1940                         fwrite(buf, sizeof(gchar), strlen(buf), fp);
1941                 }
1942                 fclose(infp);
1943                 break;
1944
1945         case MIMECONTENT_MEM:
1946                 str = g_strdup(mimeinfo->data.mem);
1947                 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
1948                     (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
1949                         *(str2 - 2) = '\0';
1950                 fwrite(str, strlen(str), sizeof(gchar), fp);
1951                 g_free(str);
1952                 break;
1953
1954         default:
1955                 break;
1956         }
1957
1958         childnode = mimeinfo->node->children;
1959         firstboundary = TRUE;
1960         while (childnode != NULL) {
1961                 MimeInfo *child = childnode->data;
1962
1963                 if (firstboundary)
1964                         firstboundary = FALSE;
1965                 else
1966                         fprintf(fp, "\n");
1967                 fprintf(fp, "--%s\n", boundary);
1968
1969                 procmime_write_mime_header(child, fp);
1970                 if (procmime_write_mimeinfo(child, fp) < 0)
1971                         return -1;
1972
1973                 childnode = g_node_next_sibling(childnode);
1974         }
1975         fprintf(fp, "\n--%s--\n", boundary);
1976
1977         return 0;
1978 }
1979
1980 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
1981 {
1982         FILE *infp;
1983
1984         debug_print("procmime_write_mimeinfo\n");
1985
1986         if (G_NODE_IS_LEAF(mimeinfo->node)) {
1987                 switch (mimeinfo->content) {
1988                 case MIMECONTENT_FILE:
1989                         if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
1990                                 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1991                                 return -1;
1992                         }
1993                         copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
1994                         fclose(infp);
1995                         return 0;
1996
1997                 case MIMECONTENT_MEM:
1998                         fwrite(mimeinfo->data.mem, strlen(mimeinfo->data.mem), sizeof(gchar), fp);
1999                         return 0;
2000
2001                 default:
2002                         return 0;
2003                 }
2004         } else {
2005                 /* Call writer for mime type */
2006                 switch (mimeinfo->type) {
2007                 case MIMETYPE_MESSAGE:
2008                         if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0)
2009                                 return procmime_write_message_rfc822(mimeinfo, fp);
2010                         break;
2011
2012                 case MIMETYPE_MULTIPART:
2013                         return procmime_write_multipart(mimeinfo, fp);
2014
2015                 default:
2016                         break;
2017                 }
2018
2019                 return -1;
2020         }
2021
2022         return 0;
2023 }