2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2007 Hiroyuki Yamamoto & The Claws Mail Team
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 3 of the License, or
8 * (at your option) any later version.
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.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include <glib/gi18n.h>
35 #include <sys/types.h>
41 #include "procheader.h"
43 #include "quoted-printable.h"
50 #include "prefs_common.h"
51 #include "prefs_gtk.h"
52 #include "alertpanel.h"
55 static GHashTable *procmime_get_mime_type_table (void);
56 static MimeInfo *procmime_scan_file_short(const gchar *filename);
57 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
58 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
60 MimeInfo *procmime_mimeinfo_new(void)
64 mimeinfo = g_new0(MimeInfo, 1);
65 mimeinfo->content = MIMECONTENT_EMPTY;
66 mimeinfo->data.filename = NULL;
68 mimeinfo->type = MIMETYPE_UNKNOWN;
69 mimeinfo->encoding_type = ENC_UNKNOWN;
70 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
72 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
73 mimeinfo->dispositionparameters
74 = g_hash_table_new(g_str_hash, g_str_equal);
76 mimeinfo->node = g_node_new(mimeinfo);
81 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
89 static gchar *forced_charset = NULL;
91 void procmime_force_charset(const gchar *str)
93 g_free(forced_charset);
94 forced_charset = NULL;
96 forced_charset = g_strdup(str);
99 static EncodingType forced_encoding = 0;
101 void procmime_force_encoding(EncodingType encoding)
103 forced_encoding = encoding;
106 static gboolean free_func(GNode *node, gpointer data)
108 MimeInfo *mimeinfo = (MimeInfo *) node->data;
110 switch (mimeinfo->content) {
111 case MIMECONTENT_FILE:
113 g_unlink(mimeinfo->data.filename);
114 g_free(mimeinfo->data.filename);
117 case MIMECONTENT_MEM:
119 g_free(mimeinfo->data.mem);
124 g_free(mimeinfo->subtype);
125 g_free(mimeinfo->description);
126 g_free(mimeinfo->id);
127 g_free(mimeinfo->location);
129 g_hash_table_foreach_remove(mimeinfo->typeparameters,
130 procmime_mimeinfo_parameters_destroy, NULL);
131 g_hash_table_destroy(mimeinfo->typeparameters);
132 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
133 procmime_mimeinfo_parameters_destroy, NULL);
134 g_hash_table_destroy(mimeinfo->dispositionparameters);
136 if (mimeinfo->privacy)
137 privacy_free_privacydata(mimeinfo->privacy);
144 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
151 node = mimeinfo->node;
152 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
154 g_node_destroy(node);
157 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
159 g_return_val_if_fail(mimeinfo != NULL, NULL);
160 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
162 if (mimeinfo->node->parent == NULL)
164 return (MimeInfo *) mimeinfo->node->parent->data;
167 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
169 g_return_val_if_fail(mimeinfo != NULL, NULL);
170 g_return_val_if_fail(mimeinfo->node != NULL, NULL);
172 if (mimeinfo->node->children)
173 return (MimeInfo *) mimeinfo->node->children->data;
174 if (mimeinfo->node->next)
175 return (MimeInfo *) mimeinfo->node->next->data;
177 if (mimeinfo->node->parent == NULL)
180 while (mimeinfo->node->parent != NULL) {
181 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
182 if (mimeinfo->node->next)
183 return (MimeInfo *) mimeinfo->node->next->data;
189 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
194 filename = procmsg_get_message_file_path(msginfo);
195 if (!filename || !is_file_exist(filename)) {
200 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
201 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
202 mimeinfo = procmime_scan_file(filename);
204 mimeinfo = procmime_scan_queue_file(filename);
211 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
216 filename = procmsg_get_message_file_path(msginfo);
217 if (!filename || !is_file_exist(filename)) {
222 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
223 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
224 mimeinfo = procmime_scan_file_short(filename);
226 mimeinfo = procmime_scan_queue_file_short(filename);
234 H_CONTENT_TRANSFER_ENCODING = 0,
236 H_CONTENT_DISPOSITION = 2,
237 H_CONTENT_DESCRIPTION = 3,
241 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
245 g_return_val_if_fail(mimeinfo != NULL, NULL);
246 g_return_val_if_fail(name != NULL, NULL);
248 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
250 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
255 #define FLUSH_LASTLINE() { \
256 if (*lastline != '\0') { \
258 strretchomp(lastline); \
259 llen = strlen(lastline); \
260 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
261 /* this is flowed */ \
263 lastline[llen-1] = '\0'; \
264 if (fputs(lastline, outfp) == EOF) \
267 if (fputs(lastline, outfp) == EOF) \
269 if (fputs("\n", outfp) == EOF) \
273 strcpy(lastline, buf); \
276 gboolean procmime_decode_content(MimeInfo *mimeinfo)
283 gboolean tmp_file = FALSE;
284 gboolean flowed = FALSE;
285 gboolean delsp = FALSE;
286 gboolean err = FALSE;
288 EncodingType encoding = forced_encoding
290 : mimeinfo->encoding_type;
291 gchar lastline[BUFFSIZE];
292 memset(lastline, 0, BUFFSIZE);
294 g_return_val_if_fail(mimeinfo != NULL, FALSE);
296 if (prefs_common.respect_flowed_format &&
297 mimeinfo->type == MIMETYPE_TEXT &&
298 !strcasecmp(mimeinfo->subtype, "plain")) {
299 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
300 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
303 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
304 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
309 encoding == ENC_UNKNOWN ||
310 encoding == ENC_BINARY ||
311 encoding == ENC_7BIT ||
316 infp = g_fopen(mimeinfo->data.filename, "rb");
321 fseek(infp, mimeinfo->offset, SEEK_SET);
323 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
330 readend = mimeinfo->offset + mimeinfo->length;
332 if (encoding == ENC_QUOTED_PRINTABLE) {
333 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
335 len = qp_decode_line(buf);
338 if (fwrite(buf, 1, len, outfp) < len)
346 } else if (encoding == ENC_BASE64) {
347 gchar outbuf[BUFFSIZE];
349 Base64Decoder *decoder;
350 gboolean got_error = FALSE;
351 gboolean uncanonicalize = FALSE;
354 if (mimeinfo->type == MIMETYPE_TEXT ||
355 mimeinfo->type == MIMETYPE_MESSAGE) {
356 uncanonicalize = TRUE;
357 tmpfp = my_tmpfile();
360 if (tmp_file) fclose(outfp);
366 decoder = base64_decoder_new();
367 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
368 len = base64_decoder_decode(decoder, buf, outbuf);
369 if (len < 0 && !got_error) {
370 g_warning("Bad BASE64 content.\n");
371 if (fwrite(_("[Error decoding BASE64]\n"),
373 strlen(_("[Error decoding BASE64]\n")),
374 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
375 g_warning("error decoding BASE64");
378 } else if (len >= 0) {
379 /* print out the error message only once
381 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
386 base64_decoder_free(decoder);
388 if (uncanonicalize) {
390 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
392 if (fputs(buf, outfp) == EOF)
397 } else if (encoding == ENC_X_UUENCODE) {
398 gchar outbuf[BUFFSIZE];
400 gboolean flag = FALSE;
402 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
403 if (!flag && strncmp(buf,"begin ", 6)) continue;
406 len = fromuutobits(outbuf, buf);
409 g_warning("Bad UUENCODE content(%d)\n", len);
412 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
418 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
420 if (fputs(buf, outfp) == EOF)
429 g_warning("write error");
439 stat(tmpfilename, &statbuf);
440 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
441 g_unlink(mimeinfo->data.filename);
442 g_free(mimeinfo->data.filename);
443 mimeinfo->data.filename = tmpfilename;
444 mimeinfo->tmp = TRUE;
445 mimeinfo->offset = 0;
446 mimeinfo->length = statbuf.st_size;
447 mimeinfo->encoding_type = ENC_BINARY;
452 #define B64_LINE_SIZE 57
453 #define B64_BUFFSIZE 77
455 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
457 FILE *infp = NULL, *outfp;
461 gboolean err = FALSE;
463 if (mimeinfo->content == MIMECONTENT_EMPTY)
466 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
467 mimeinfo->encoding_type != ENC_BINARY &&
468 mimeinfo->encoding_type != ENC_7BIT &&
469 mimeinfo->encoding_type != ENC_8BIT)
470 if(!procmime_decode_content(mimeinfo))
473 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
479 if (mimeinfo->content == MIMECONTENT_FILE) {
480 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
481 g_warning("Can't open file %s\n", mimeinfo->data.filename);
484 } else if (mimeinfo->content == MIMECONTENT_MEM) {
485 infp = str_open_as_stream(mimeinfo->data.mem);
490 if (encoding == ENC_BASE64) {
491 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
493 gchar *tmp_file = NULL;
495 if (mimeinfo->type == MIMETYPE_TEXT ||
496 mimeinfo->type == MIMETYPE_MESSAGE) {
497 if (mimeinfo->content == MIMECONTENT_FILE) {
498 tmp_file = get_tmp_file();
499 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
504 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
505 FILE_OP_ERROR(tmp_file, "fopen");
512 gchar *out = canonicalize_str(mimeinfo->data.mem);
514 infp = str_open_as_stream(out);
522 while ((len = fread(inbuf, sizeof(gchar),
523 B64_LINE_SIZE, tmp_fp))
525 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
526 if (fputs(outbuf, outfp) == EOF)
528 if (fputc('\n', outfp) == EOF)
531 if (len > 0 && feof(tmp_fp)) {
532 base64_encode(outbuf, inbuf, len);
533 if (fputs(outbuf, outfp) == EOF)
535 if (fputc('\n', outfp) == EOF)
544 } else if (encoding == ENC_QUOTED_PRINTABLE) {
545 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
547 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
548 qp_encode_line(outbuf, inbuf);
550 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
551 gchar *tmpbuf = outbuf;
553 tmpbuf += sizeof("From ")-1;
555 if (fputs("=46rom ", outfp) == EOF)
557 if (fputs(tmpbuf, outfp) == EOF)
560 if (fputs(outbuf, outfp) == EOF)
567 while (fgets(buf, sizeof(buf), infp) != NULL) {
569 if (fputs(buf, outfp) == EOF)
580 if (mimeinfo->content == MIMECONTENT_FILE) {
581 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
582 g_unlink(mimeinfo->data.filename);
583 g_free(mimeinfo->data.filename);
584 } else if (mimeinfo->content == MIMECONTENT_MEM) {
585 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
586 g_free(mimeinfo->data.mem);
589 stat(tmpfilename, &statbuf);
590 mimeinfo->content = MIMECONTENT_FILE;
591 mimeinfo->data.filename = tmpfilename;
592 mimeinfo->tmp = TRUE;
593 mimeinfo->offset = 0;
594 mimeinfo->length = statbuf.st_size;
595 mimeinfo->encoding_type = encoding;
600 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
604 gint restlength, readlength;
605 gint saved_errno = 0;
607 g_return_val_if_fail(outfile != NULL, -1);
608 g_return_val_if_fail(mimeinfo != NULL, -1);
610 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
613 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
615 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
616 return -(saved_errno);
618 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
620 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
622 return -(saved_errno);
624 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
626 FILE_OP_ERROR(outfile, "fopen");
628 return -(saved_errno);
631 restlength = mimeinfo->length;
633 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
634 if (fwrite(buf, 1, readlength, outfp) != readlength) {
637 return -(saved_errno);
639 restlength -= readlength;
643 if (fclose(outfp) == EOF) {
645 FILE_OP_ERROR(outfile, "fclose");
647 return -(saved_errno);
653 static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
656 const gchar *src_codeset;
657 gboolean conv_fail = FALSE;
661 gboolean err = FALSE;
663 g_return_val_if_fail(mimeinfo != NULL, NULL);
665 if (!procmime_decode_content(mimeinfo))
668 tmpfile = procmime_get_tmp_file_name(mimeinfo);
672 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
677 tmpfp = g_fopen(tmpfile, "rb");
683 if ((outfp = my_tmpfile()) == NULL) {
690 src_codeset = forced_charset
692 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
694 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
695 SC_HTMLParser *parser;
698 conv = conv_code_converter_new(src_codeset);
699 parser = sc_html_parser_new(tmpfp, conv);
700 while ((str = sc_html_parse(parser)) != NULL) {
701 if (fputs(str, outfp) == EOF)
704 sc_html_parser_destroy(parser);
705 conv_code_converter_destroy(conv);
706 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
710 conv = conv_code_converter_new(src_codeset);
711 parser = ertf_parser_new(tmpfp, conv);
712 while ((str = ertf_parse(parser)) != NULL) {
713 if (fputs(str, outfp) == EOF)
716 ertf_parser_destroy(parser);
717 conv_code_converter_destroy(conv);
718 } else if (mimeinfo->type == MIMETYPE_TEXT) {
719 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
720 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
722 if (fputs(str, outfp) == EOF)
727 if (fputs(buf, outfp) == EOF)
734 g_warning("procmime_get_text_content(): Code conversion failed.\n");
749 /* search the first text part of (multipart) MIME message,
750 decode, convert it and output to outfp. */
751 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
754 MimeInfo *mimeinfo, *partinfo;
756 g_return_val_if_fail(msginfo != NULL, NULL);
758 mimeinfo = procmime_scan_message_short(msginfo);
759 if (!mimeinfo) return NULL;
762 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
763 partinfo = procmime_mimeinfo_next(partinfo);
766 outfp = procmime_get_text_content(partinfo);
768 procmime_mimeinfo_free_all(mimeinfo);
774 static gboolean find_encrypted_func(GNode *node, gpointer data)
776 MimeInfo *mimeinfo = (MimeInfo *) node->data;
777 MimeInfo **encinfo = (MimeInfo **) data;
779 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
787 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
789 MimeInfo *encinfo = NULL;
791 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
792 find_encrypted_func, &encinfo);
797 /* search the first encrypted text part of (multipart) MIME message,
798 decode, convert it and output to outfp. */
799 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
802 MimeInfo *mimeinfo, *partinfo, *encinfo;
804 g_return_val_if_fail(msginfo != NULL, NULL);
806 mimeinfo = procmime_scan_message(msginfo);
812 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
813 debug_print("decrypting message part\n");
814 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
815 alertpanel_error(_("Couldn't decrypt: %s"),
816 privacy_get_error());
821 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
822 partinfo = procmime_mimeinfo_next(partinfo);
826 outfp = procmime_get_text_content(partinfo);
828 procmime_mimeinfo_free_all(mimeinfo);
833 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
835 MimeInfo *mimeinfo, *partinfo;
836 gboolean result = FALSE;
838 g_return_val_if_fail(msginfo != NULL, FALSE);
840 mimeinfo = procmime_scan_message(msginfo);
846 result = (find_encrypted_part(partinfo) != NULL);
847 procmime_mimeinfo_free_all(mimeinfo);
852 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
853 const gchar *str, StrFindFunc find_func)
858 g_return_val_if_fail(mimeinfo != NULL, FALSE);
859 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
860 g_return_val_if_fail(str != NULL, FALSE);
861 g_return_val_if_fail(find_func != NULL, FALSE);
863 outfp = procmime_get_text_content(mimeinfo);
868 while (fgets(buf, sizeof(buf), outfp) != NULL) {
870 if (find_func(buf, str)) {
881 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
882 StrFindFunc find_func)
887 gboolean found = FALSE;
889 g_return_val_if_fail(msginfo != NULL, FALSE);
890 g_return_val_if_fail(str != NULL, FALSE);
891 g_return_val_if_fail(find_func != NULL, FALSE);
893 filename = procmsg_get_message_file(msginfo);
894 if (!filename) return FALSE;
895 mimeinfo = procmime_scan_message(msginfo);
897 for (partinfo = mimeinfo; partinfo != NULL;
898 partinfo = procmime_mimeinfo_next(partinfo)) {
899 if (partinfo->type == MIMETYPE_TEXT) {
900 if (procmime_find_string_part
901 (partinfo, filename, str, find_func) == TRUE) {
908 procmime_mimeinfo_free_all(mimeinfo);
914 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
916 static guint32 id = 0;
921 g_return_val_if_fail(mimeinfo != NULL, NULL);
923 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
925 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
926 base = g_strdup("mimetmp.html");
928 const gchar *basetmp;
930 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
932 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
935 basetmp = g_path_get_basename(basetmp);
936 if (*basetmp == '\0')
937 basetmp = g_strdup("mimetmp");
938 base = conv_filename_from_utf8(basetmp);
939 g_free((gchar*)basetmp);
940 subst_for_shellsafe_filename(base);
943 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
944 f_prefix, base, NULL);
951 static GList *mime_type_list = NULL;
953 gchar *procmime_get_mime_type(const gchar *filename)
955 static GHashTable *mime_type_table = NULL;
961 if (!mime_type_table) {
962 mime_type_table = procmime_get_mime_type_table();
963 if (!mime_type_table) return NULL;
966 base = g_path_get_basename(filename);
967 if ((p = strrchr(base, '.')) != NULL)
968 Xstrdup_a(ext, p + 1, p = NULL );
973 mime_type = g_hash_table_lookup(mime_type_table, ext);
977 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
985 static guint procmime_str_hash(gconstpointer gptr)
987 guint hash_result = 0;
990 for (str = gptr; str && *str; str++) {
991 if (isupper(*str)) hash_result += (*str + ' ');
992 else hash_result += *str;
998 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1000 const char *str1 = gptr1;
1001 const char *str2 = gptr2;
1003 return !g_utf8_collate(str1, str2);
1006 static GHashTable *procmime_get_mime_type_table(void)
1008 GHashTable *table = NULL;
1010 MimeType *mime_type;
1013 if (!mime_type_list) {
1014 mime_type_list = procmime_get_mime_type_list();
1015 if (!mime_type_list) return NULL;
1018 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1020 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1024 mime_type = (MimeType *)cur->data;
1026 if (!mime_type->extension) continue;
1028 exts = g_strsplit(mime_type->extension, " ", 16);
1029 for (i = 0; exts[i] != NULL; i++) {
1030 /* make the key case insensitive */
1032 /* use previously dup'd key on overwriting */
1033 if (g_hash_table_lookup(table, exts[i]))
1036 key = g_strdup(exts[i]);
1037 g_hash_table_insert(table, key, mime_type);
1045 GList *procmime_get_mime_type_list(void)
1049 gchar buf[BUFFSIZE];
1052 MimeType *mime_type;
1053 gboolean fp_is_glob_file = TRUE;
1056 return mime_type_list;
1058 #if defined(__NetBSD__)
1059 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1061 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1064 fp_is_glob_file = FALSE;
1065 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1066 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1068 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1075 while (fgets(buf, sizeof(buf), fp) != NULL) {
1076 p = strchr(buf, '#');
1082 if (fp_is_glob_file) {
1083 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1085 while (*p && !g_ascii_isspace(*p)) p++;
1092 delim = strchr(buf, '/');
1093 if (delim == NULL) continue;
1096 mime_type = g_new(MimeType, 1);
1097 mime_type->type = g_strdup(buf);
1098 mime_type->sub_type = g_strdup(delim + 1);
1100 if (fp_is_glob_file) {
1101 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1103 while (*p && g_ascii_isspace(*p)) p++;
1107 mime_type->extension = g_strdup(p);
1109 mime_type->extension = NULL;
1111 list = g_list_append(list, mime_type);
1117 g_warning("Can't read mime.types\n");
1122 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1126 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1127 !g_ascii_strcasecmp(charset, "US-ASCII"))
1129 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1130 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1131 !g_ascii_strcasecmp(charset, "Windows-1251"))
1133 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1134 return ENC_QUOTED_PRINTABLE;
1135 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1136 return ENC_QUOTED_PRINTABLE;
1141 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1144 guchar buf[BUFFSIZE];
1146 size_t octet_chars = 0;
1147 size_t total_len = 0;
1148 gfloat octet_percentage;
1149 gboolean force_b64 = FALSE;
1151 if ((fp = g_fopen(file, "rb")) == NULL) {
1152 FILE_OP_ERROR(file, "fopen");
1156 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1160 for (p = buf, i = 0; i < len; ++p, ++i) {
1174 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1176 octet_percentage = 0.0;
1178 debug_print("procmime_get_encoding_for_text_file(): "
1179 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1180 100.0 * octet_percentage);
1182 if (octet_percentage > 0.20 || force_b64) {
1183 debug_print("using BASE64\n");
1185 } else if (octet_chars > 0) {
1186 debug_print("using quoted-printable\n");
1187 return ENC_QUOTED_PRINTABLE;
1189 debug_print("using 7bit\n");
1194 struct EncodingTable
1197 EncodingType enc_type;
1200 struct EncodingTable encoding_table[] = {
1203 {"binary", ENC_BINARY},
1204 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1205 {"base64", ENC_BASE64},
1206 {"x-uuencode", ENC_UNKNOWN},
1207 {NULL, ENC_UNKNOWN},
1210 const gchar *procmime_get_encoding_str(EncodingType encoding)
1212 struct EncodingTable *enc_table;
1214 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1215 if (enc_table->enc_type == encoding)
1216 return enc_table->str;
1221 /* --- NEW MIME STUFF --- */
1228 static struct TypeTable mime_type_table[] = {
1229 {"text", MIMETYPE_TEXT},
1230 {"image", MIMETYPE_IMAGE},
1231 {"audio", MIMETYPE_AUDIO},
1232 {"video", MIMETYPE_VIDEO},
1233 {"application", MIMETYPE_APPLICATION},
1234 {"message", MIMETYPE_MESSAGE},
1235 {"multipart", MIMETYPE_MULTIPART},
1239 const gchar *procmime_get_media_type_str(MimeMediaType type)
1241 struct TypeTable *type_table;
1243 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1244 if (type_table->type == type)
1245 return type_table->str;
1250 MimeMediaType procmime_get_media_type(const gchar *str)
1252 struct TypeTable *typetablearray;
1254 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1255 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1256 return typetablearray->type;
1258 return MIMETYPE_UNKNOWN;
1262 *\brief Safe wrapper for content type string.
1264 *\return const gchar * Pointer to content type string.
1266 gchar *procmime_get_content_type_str(MimeMediaType type,
1267 const char *subtype)
1269 const gchar *type_str = NULL;
1271 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1272 return g_strdup("unknown");
1273 return g_strdup_printf("%s/%s", type_str, subtype);
1276 static int procmime_parse_mimepart(MimeInfo *parent,
1277 gchar *content_type,
1278 gchar *content_encoding,
1279 gchar *content_description,
1281 gchar *content_disposition,
1282 gchar *content_location,
1283 const gchar *filename,
1286 gboolean short_scan);
1288 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1290 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1291 {"Content-Transfer-Encoding:",
1293 {"Content-Description:",
1297 {"Content-Disposition:",
1299 {"Content-Location:",
1303 {NULL, NULL, FALSE}};
1304 guint content_start, i;
1309 procmime_decode_content(mimeinfo);
1311 fp = g_fopen(mimeinfo->data.filename, "rb");
1313 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1316 fseek(fp, mimeinfo->offset, SEEK_SET);
1317 procheader_get_header_fields(fp, hentry);
1318 if (hentry[0].body != NULL) {
1319 tmp = conv_unmime_header(hentry[0].body, NULL);
1320 g_free(hentry[0].body);
1321 hentry[0].body = tmp;
1323 if (hentry[2].body != NULL) {
1324 tmp = conv_unmime_header(hentry[2].body, NULL);
1325 g_free(hentry[2].body);
1326 hentry[2].body = tmp;
1328 if (hentry[4].body != NULL) {
1329 tmp = conv_unmime_header(hentry[4].body, NULL);
1330 g_free(hentry[4].body);
1331 hentry[4].body = tmp;
1333 if (hentry[5].body != NULL) {
1334 tmp = conv_unmime_header(hentry[5].body, NULL);
1335 g_free(hentry[5].body);
1336 hentry[5].body = tmp;
1338 content_start = ftell(fp);
1341 len = mimeinfo->length - (content_start - mimeinfo->offset);
1344 procmime_parse_mimepart(mimeinfo,
1345 hentry[0].body, hentry[1].body,
1346 hentry[2].body, hentry[3].body,
1347 hentry[4].body, hentry[5].body,
1348 mimeinfo->data.filename, content_start,
1351 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1352 g_free(hentry[i].body);
1353 hentry[i].body = NULL;
1357 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1359 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1360 {"Content-Transfer-Encoding:",
1362 {"Content-Description:",
1366 {"Content-Disposition:",
1368 {"Content-Location:",
1370 {NULL, NULL, FALSE}};
1373 gint boundary_len = 0, lastoffset = -1, i;
1374 gchar buf[BUFFSIZE];
1377 gboolean done = FALSE;
1379 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1382 boundary_len = strlen(boundary);
1384 procmime_decode_content(mimeinfo);
1386 fp = g_fopen(mimeinfo->data.filename, "rb");
1388 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1391 fseek(fp, mimeinfo->offset, SEEK_SET);
1392 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1393 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1396 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1397 if (lastoffset != -1) {
1398 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1401 result = procmime_parse_mimepart(mimeinfo,
1402 hentry[0].body, hentry[1].body,
1403 hentry[2].body, hentry[3].body,
1404 hentry[4].body, hentry[5].body,
1405 mimeinfo->data.filename, lastoffset,
1407 if (result == 1 && short_scan) {
1413 if (buf[2 + boundary_len] == '-' &&
1414 buf[2 + boundary_len + 1] == '-')
1417 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1418 g_free(hentry[i].body);
1419 hentry[i].body = NULL;
1421 procheader_get_header_fields(fp, hentry);
1422 if (hentry[0].body != NULL) {
1423 tmp = conv_unmime_header(hentry[0].body, NULL);
1424 g_free(hentry[0].body);
1425 hentry[0].body = tmp;
1427 if (hentry[2].body != NULL) {
1428 tmp = conv_unmime_header(hentry[2].body, NULL);
1429 g_free(hentry[2].body);
1430 hentry[2].body = tmp;
1432 if (hentry[4].body != NULL) {
1433 tmp = conv_unmime_header(hentry[4].body, NULL);
1434 g_free(hentry[4].body);
1435 hentry[4].body = tmp;
1437 if (hentry[5].body != NULL) {
1438 tmp = conv_unmime_header(hentry[5].body, NULL);
1439 g_free(hentry[5].body);
1440 hentry[5].body = tmp;
1442 lastoffset = ftell(fp);
1445 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1446 g_free(hentry[i].body);
1447 hentry[i].body = NULL;
1452 static void parse_parameters(const gchar *parameters, GHashTable *table)
1454 gchar *params, *param, *next;
1455 GSList *convlist = NULL, *concatlist = NULL, *cur;
1457 params = g_strdup(parameters);
1460 for (; next != NULL; param = next) {
1461 gchar *attribute, *value, *tmp;
1463 gboolean convert = FALSE;
1465 next = strchr_with_skip_quote(param, '"', ';');
1474 value = strchr(attribute, '=');
1480 while (value[0] == ' ')
1483 g_strdown(attribute);
1485 len = strlen(attribute);
1486 if (attribute[len - 1] == '*') {
1487 gchar *srcpos, *dstpos, *endpos;
1490 attribute[len - 1] = '\0';
1494 endpos = value + strlen(value);
1495 while (srcpos < endpos) {
1501 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1512 if (value[0] == '"')
1513 extract_quote(value, '"');
1514 else if ((tmp = strchr(value, ' ')) != NULL)
1519 while (attribute[0] == ' ')
1521 while (attribute[strlen(attribute)-1] == ' ')
1522 attribute[strlen(attribute)-1] = '\0';
1525 while (value[0] == ' ')
1527 while (value[strlen(value)-1] == ' ')
1528 value[strlen(value)-1] = '\0';
1530 if (strrchr(attribute, '*') != NULL) {
1533 tmpattr = g_strdup(attribute);
1534 tmp = strrchr(tmpattr, '*');
1537 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1538 (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1539 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1541 if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1542 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1545 } else if (convert) {
1546 if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1547 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1550 if (g_hash_table_lookup(table, attribute) == NULL)
1551 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1554 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1555 gchar *attribute, *attrwnum, *partvalue;
1559 attribute = (gchar *) cur->data;
1560 value = g_string_sized_new(64);
1562 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1563 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1564 g_string_append(value, partvalue);
1568 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1572 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1573 g_string_free(value, TRUE);
1575 slist_free_strings(concatlist);
1576 g_slist_free(concatlist);
1578 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1579 gchar *attribute, *key, *value;
1580 gchar *charset, *lang, *oldvalue, *newvalue;
1582 attribute = (gchar *) cur->data;
1583 if (!g_hash_table_lookup_extended(
1584 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1588 lang = strchr(charset, '\'');
1593 oldvalue = strchr(lang, '\'');
1594 if (oldvalue == NULL)
1599 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1601 g_hash_table_remove(table, attribute);
1605 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1607 slist_free_strings(convlist);
1608 g_slist_free(convlist);
1613 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1615 g_return_if_fail(content_type != NULL);
1616 g_return_if_fail(mimeinfo != NULL);
1618 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1619 * if it's not available we use the default Content-Type */
1620 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1621 mimeinfo->type = MIMETYPE_TEXT;
1622 mimeinfo->subtype = g_strdup("plain");
1623 if (g_hash_table_lookup(mimeinfo->typeparameters,
1624 "charset") == NULL) {
1625 g_hash_table_insert(mimeinfo->typeparameters,
1626 g_strdup("charset"),
1628 conv_get_locale_charset_str_no_utf8()));
1631 gchar *type, *subtype, *params;
1633 type = g_strdup(content_type);
1634 subtype = strchr(type, '/') + 1;
1635 *(subtype - 1) = '\0';
1636 if ((params = strchr(subtype, ';')) != NULL) {
1641 mimeinfo->type = procmime_get_media_type(type);
1642 mimeinfo->subtype = g_strdup(subtype);
1644 /* Get mimeinfo->typeparameters */
1646 parse_parameters(params, mimeinfo->typeparameters);
1652 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1654 gchar *tmp, *params;
1656 g_return_if_fail(content_disposition != NULL);
1657 g_return_if_fail(mimeinfo != NULL);
1659 tmp = g_strdup(content_disposition);
1660 if ((params = strchr(tmp, ';')) != NULL) {
1666 if (!g_ascii_strcasecmp(tmp, "inline"))
1667 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1668 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1669 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1671 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1674 parse_parameters(params, mimeinfo->dispositionparameters);
1680 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1682 struct EncodingTable *enc_table;
1684 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1685 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1686 mimeinfo->encoding_type = enc_table->enc_type;
1690 mimeinfo->encoding_type = ENC_UNKNOWN;
1694 static GSList *registered_parsers = NULL;
1696 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1699 for (cur = registered_parsers; cur; cur = cur->next) {
1700 MimeParser *parser = (MimeParser *)cur->data;
1701 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1707 void procmime_mimeparser_register(MimeParser *parser)
1709 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1710 registered_parsers = g_slist_append(registered_parsers, parser);
1714 void procmime_mimeparser_unregister(MimeParser *parser)
1716 registered_parsers = g_slist_remove(registered_parsers, parser);
1719 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1721 g_return_val_if_fail(parser->parse != NULL, FALSE);
1722 return parser->parse(parser, mimeinfo);
1725 static int procmime_parse_mimepart(MimeInfo *parent,
1726 gchar *content_type,
1727 gchar *content_encoding,
1728 gchar *content_description,
1730 gchar *content_disposition,
1731 gchar *content_location,
1732 const gchar *filename,
1735 gboolean short_scan)
1738 MimeParser *parser = NULL;
1739 gboolean parsed = FALSE;
1742 /* Create MimeInfo */
1743 mimeinfo = procmime_mimeinfo_new();
1744 mimeinfo->content = MIMECONTENT_FILE;
1745 if (parent != NULL) {
1746 if (g_node_depth(parent->node) > 32) {
1747 /* 32 is an arbitrary value
1748 * this avoids DOSsing ourselves
1749 * with enormous messages
1751 procmime_mimeinfo_free_all(mimeinfo);
1754 g_node_append(parent->node, mimeinfo->node);
1756 mimeinfo->data.filename = g_strdup(filename);
1757 mimeinfo->offset = offset;
1758 mimeinfo->length = length;
1760 if (content_type != NULL) {
1761 procmime_parse_content_type(content_type, mimeinfo);
1763 mimeinfo->type = MIMETYPE_TEXT;
1764 mimeinfo->subtype = g_strdup("plain");
1765 if (g_hash_table_lookup(mimeinfo->typeparameters,
1766 "charset") == NULL) {
1767 g_hash_table_insert(mimeinfo->typeparameters,
1768 g_strdup("charset"),
1770 conv_get_locale_charset_str_no_utf8()));
1774 if (content_encoding != NULL) {
1775 procmime_parse_content_encoding(content_encoding, mimeinfo);
1777 mimeinfo->encoding_type = ENC_UNKNOWN;
1780 if (content_description != NULL)
1781 mimeinfo->description = g_strdup(content_description);
1783 mimeinfo->description = NULL;
1785 if (content_id != NULL)
1786 mimeinfo->id = g_strdup(content_id);
1788 mimeinfo->id = NULL;
1790 if (content_location != NULL)
1791 mimeinfo->location = g_strdup(content_location);
1793 mimeinfo->location = NULL;
1795 if (content_disposition != NULL)
1796 procmime_parse_content_disposition(content_disposition, mimeinfo);
1798 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1800 /* Call parser for mime type */
1801 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1802 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1805 switch (mimeinfo->type) {
1807 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
1812 case MIMETYPE_MESSAGE:
1813 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1814 procmime_parse_message_rfc822(mimeinfo, short_scan);
1818 case MIMETYPE_MULTIPART:
1819 procmime_parse_multipart(mimeinfo, short_scan);
1830 static gchar *typenames[] = {
1841 static gboolean output_func(GNode *node, gpointer data)
1844 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1846 depth = g_node_depth(node);
1847 for (i = 0; i < depth; i++)
1849 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1854 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1856 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
1859 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
1864 stat(filename, &buf);
1866 mimeinfo = procmime_mimeinfo_new();
1867 mimeinfo->content = MIMECONTENT_FILE;
1868 mimeinfo->encoding_type = ENC_UNKNOWN;
1869 mimeinfo->type = MIMETYPE_MESSAGE;
1870 mimeinfo->subtype = g_strdup("rfc822");
1871 mimeinfo->data.filename = g_strdup(filename);
1872 mimeinfo->offset = offset;
1873 mimeinfo->length = buf.st_size - offset;
1875 procmime_parse_message_rfc822(mimeinfo, short_scan);
1876 if (debug_get_mode())
1877 output_mime_structure(mimeinfo, 0);
1882 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
1886 g_return_val_if_fail(filename != NULL, NULL);
1888 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
1893 MimeInfo *procmime_scan_file(const gchar *filename)
1895 return procmime_scan_file_full(filename, FALSE);
1898 static MimeInfo *procmime_scan_file_short(const gchar *filename)
1900 return procmime_scan_file_full(filename, TRUE);
1903 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
1907 gchar buf[BUFFSIZE];
1910 g_return_val_if_fail(filename != NULL, NULL);
1913 if ((fp = g_fopen(filename, "rb")) == NULL)
1915 /* Skip queue header */
1916 while (fgets(buf, sizeof(buf), fp) != NULL) {
1918 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
1919 strlen("X-Claws-End-Special-Headers:"))) ||
1920 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
1921 strlen("X-Sylpheed-End-Special-Headers:"))))
1924 if (buf[0] == '\r' || buf[0] == '\n') break;
1925 /* from other mailers */
1926 if (!strncmp(buf, "Date: ", 6)
1927 || !strncmp(buf, "To: ", 4)
1928 || !strncmp(buf, "From: ", 6)
1929 || !strncmp(buf, "Subject: ", 9)) {
1937 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
1942 MimeInfo *procmime_scan_queue_file(const gchar *filename)
1944 return procmime_scan_queue_file_full(filename, FALSE);
1947 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
1949 return procmime_scan_queue_file_full(filename, TRUE);
1954 ENC_AS_QUOTED_STRING,
1959 typedef struct _ParametersData {
1966 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
1969 gchar *val = value, *valpos, *tmp;
1970 ParametersData *pdata = (ParametersData *)user_data;
1971 GString *buf = g_string_new("");
1973 EncodeAs encas = ENC_AS_TOKEN;
1975 for (valpos = val; *valpos != 0; valpos++) {
1976 if (!IS_ASCII(*valpos) || *valpos == '"') {
1977 encas = ENC_AS_EXTENDED;
1982 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
1983 encas = ENC_AS_QUOTED_STRING;
1987 /* tspecials + SPACE */
2005 encas = ENC_AS_QUOTED_STRING;
2010 if (encas == ENC_AS_EXTENDED && pdata->ascii_only == TRUE)
2011 encas = ENC_TO_ASCII;
2015 g_string_append_printf(buf, "%s=%s", param, val);
2019 tmp = g_strdup(val);
2021 " ()<>@,';:\\/[]?=.0123456789"
2022 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2023 "abcdefghijklmnopqrstuvwxyz",
2025 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2029 case ENC_AS_QUOTED_STRING:
2030 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2033 case ENC_AS_EXTENDED:
2034 if (!g_utf8_validate(val, -1, NULL))
2035 g_string_append_printf(buf, "%s*=%s''", param,
2036 conv_get_locale_charset_str());
2038 g_string_append_printf(buf, "%s*=%s''", param,
2040 for (valpos = val; *valpos != '\0'; valpos++) {
2041 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2042 g_string_append_printf(buf, "%c", *valpos);
2044 gchar hexstr[3] = "XX";
2045 get_hex_str(hexstr, *valpos);
2046 g_string_append_printf(buf, "%%%s", hexstr);
2052 if (buf->str && strlen(buf->str)) {
2053 if (pdata->len + strlen(buf->str) + 2 > 76) {
2054 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2055 pdata->error = TRUE;
2056 pdata->len = strlen(buf->str) + 1;
2058 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2059 pdata->error = TRUE;
2060 pdata->len += strlen(buf->str) + 2;
2063 g_string_free(buf, TRUE);
2066 #define TRY(func) { \
2072 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2074 struct TypeTable *type_table;
2075 ParametersData *pdata = g_new0(ParametersData, 1);
2076 debug_print("procmime_write_mime_header\n");
2079 pdata->ascii_only = FALSE;
2080 pdata->error = FALSE;
2081 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2082 if (mimeinfo->type == type_table->type) {
2083 gchar *buf = g_strdup_printf(
2084 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2085 if (fprintf(fp, "%s", buf) < 0) {
2090 pdata->len = strlen(buf);
2091 pdata->ascii_only = TRUE;
2095 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2096 if (pdata->error == TRUE) {
2102 TRY(fprintf(fp, "\n") >= 0);
2104 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2105 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2107 if (mimeinfo->description != NULL)
2108 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2110 if (mimeinfo->id != NULL)
2111 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2113 if (mimeinfo->location != NULL)
2114 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2116 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2117 ParametersData *pdata = g_new0(ParametersData, 1);
2119 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2120 buf = g_strdup("Content-Disposition: inline");
2121 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2122 buf = g_strdup("Content-Disposition: attachment");
2124 buf = g_strdup("Content-Disposition: unknown");
2126 if (fprintf(fp, "%s", buf) < 0) {
2131 pdata->len = strlen(buf);
2135 pdata->ascii_only = FALSE;
2136 pdata->error = FALSE;
2137 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2138 if (pdata->error == TRUE) {
2143 TRY(fprintf(fp, "\n") >= 0);
2146 TRY(fprintf(fp, "\n") >= 0);
2151 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2156 gchar buf[BUFFSIZE];
2157 gboolean skip = FALSE;;
2160 debug_print("procmime_write_message_rfc822\n");
2163 switch (mimeinfo->content) {
2164 case MIMECONTENT_FILE:
2165 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2166 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2169 fseek(infp, mimeinfo->offset, SEEK_SET);
2170 while (fgets(buf, sizeof(buf), infp) == buf) {
2172 if (buf[0] == '\n' && buf[1] == '\0')
2174 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2176 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2177 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2178 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2179 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2180 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2181 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2182 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2187 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2188 g_warning("failed to dump %zd bytes from file", len);
2197 case MIMECONTENT_MEM:
2198 len = strlen(mimeinfo->data.mem);
2199 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2200 g_warning("failed to dump %zd bytes from mem", len);
2209 childnode = mimeinfo->node->children;
2210 if (childnode == NULL)
2213 child = (MimeInfo *) childnode->data;
2214 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2215 g_warning("failed to write mime version");
2218 if (procmime_write_mime_header(child, fp) < 0)
2220 return procmime_write_mimeinfo(child, fp);
2223 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2227 gchar *boundary, *str, *str2;
2228 gchar buf[BUFFSIZE];
2229 gboolean firstboundary;
2232 debug_print("procmime_write_multipart\n");
2234 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2236 switch (mimeinfo->content) {
2237 case MIMECONTENT_FILE:
2238 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2239 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2242 fseek(infp, mimeinfo->offset, SEEK_SET);
2243 while (fgets(buf, sizeof(buf), infp) == buf) {
2244 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2247 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2248 g_warning("failed to write %zd", len);
2256 case MIMECONTENT_MEM:
2257 str = g_strdup(mimeinfo->data.mem);
2258 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2259 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2262 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2263 g_warning("failed to write %zd from mem", len);
2274 childnode = mimeinfo->node->children;
2275 firstboundary = TRUE;
2276 while (childnode != NULL) {
2277 MimeInfo *child = childnode->data;
2280 firstboundary = FALSE;
2282 TRY(fprintf(fp, "\n") >= 0);
2284 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2286 if (procmime_write_mime_header(child, fp) < 0)
2288 if (procmime_write_mimeinfo(child, fp) < 0)
2291 childnode = g_node_next_sibling(childnode);
2293 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2298 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2302 debug_print("procmime_write_mimeinfo\n");
2304 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2305 switch (mimeinfo->content) {
2306 case MIMECONTENT_FILE:
2307 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2308 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2311 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2315 case MIMECONTENT_MEM:
2316 len = strlen(mimeinfo->data.mem);
2317 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2325 /* Call writer for mime type */
2326 switch (mimeinfo->type) {
2327 case MIMETYPE_MESSAGE:
2328 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2329 return procmime_write_message_rfc822(mimeinfo, fp);
2333 case MIMETYPE_MULTIPART:
2334 return procmime_write_multipart(mimeinfo, fp);
2346 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2350 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2351 base = g_strdup("mimetmp.html");
2353 const gchar *basetmp;
2356 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2357 if (basetmp == NULL)
2358 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2359 if (basetmp == NULL)
2360 basetmp = "mimetmp";
2361 basename = g_path_get_basename(basetmp);
2362 if (*basename == '\0') {
2364 basename = g_strdup("mimetmp");
2366 base = conv_filename_from_utf8(basename);
2368 subst_for_shellsafe_filename(base);