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;
755 gboolean empty_ok = FALSE, short_scan = TRUE;
757 g_return_val_if_fail(msginfo != NULL, NULL);
759 /* first we try to short-scan (for speed), refusing empty parts */
762 mimeinfo = procmime_scan_message_short(msginfo);
764 mimeinfo = procmime_scan_message(msginfo);
765 if (!mimeinfo) return NULL;
768 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
769 (partinfo->length == 0 && !empty_ok))) {
770 partinfo = procmime_mimeinfo_next(partinfo);
773 outfp = procmime_get_text_content(partinfo);
774 else if (!empty_ok && short_scan) {
775 /* if short scan didn't find a non-empty part, rescan
776 * fully for non-empty parts
779 procmime_mimeinfo_free_all(mimeinfo);
781 } else if (!empty_ok && !short_scan) {
782 /* if full scan didn't find a non-empty part, rescan
783 * accepting empty parts
786 procmime_mimeinfo_free_all(mimeinfo);
789 procmime_mimeinfo_free_all(mimeinfo);
795 static gboolean find_encrypted_func(GNode *node, gpointer data)
797 MimeInfo *mimeinfo = (MimeInfo *) node->data;
798 MimeInfo **encinfo = (MimeInfo **) data;
800 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
808 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
810 MimeInfo *encinfo = NULL;
812 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
813 find_encrypted_func, &encinfo);
818 /* search the first encrypted text part of (multipart) MIME message,
819 decode, convert it and output to outfp. */
820 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
823 MimeInfo *mimeinfo, *partinfo, *encinfo;
825 g_return_val_if_fail(msginfo != NULL, NULL);
827 mimeinfo = procmime_scan_message(msginfo);
833 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
834 debug_print("decrypting message part\n");
835 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
836 alertpanel_error(_("Couldn't decrypt: %s"),
837 privacy_get_error());
842 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
843 partinfo = procmime_mimeinfo_next(partinfo);
847 outfp = procmime_get_text_content(partinfo);
849 procmime_mimeinfo_free_all(mimeinfo);
854 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
856 MimeInfo *mimeinfo, *partinfo;
857 gboolean result = FALSE;
859 g_return_val_if_fail(msginfo != NULL, FALSE);
861 mimeinfo = procmime_scan_message(msginfo);
867 result = (find_encrypted_part(partinfo) != NULL);
868 procmime_mimeinfo_free_all(mimeinfo);
873 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
874 const gchar *str, StrFindFunc find_func)
879 g_return_val_if_fail(mimeinfo != NULL, FALSE);
880 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
881 g_return_val_if_fail(str != NULL, FALSE);
882 g_return_val_if_fail(find_func != NULL, FALSE);
884 outfp = procmime_get_text_content(mimeinfo);
889 while (fgets(buf, sizeof(buf), outfp) != NULL) {
891 if (find_func(buf, str)) {
902 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
903 StrFindFunc find_func)
908 gboolean found = FALSE;
910 g_return_val_if_fail(msginfo != NULL, FALSE);
911 g_return_val_if_fail(str != NULL, FALSE);
912 g_return_val_if_fail(find_func != NULL, FALSE);
914 filename = procmsg_get_message_file(msginfo);
915 if (!filename) return FALSE;
916 mimeinfo = procmime_scan_message(msginfo);
918 for (partinfo = mimeinfo; partinfo != NULL;
919 partinfo = procmime_mimeinfo_next(partinfo)) {
920 if (partinfo->type == MIMETYPE_TEXT) {
921 if (procmime_find_string_part
922 (partinfo, filename, str, find_func) == TRUE) {
929 procmime_mimeinfo_free_all(mimeinfo);
935 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
937 static guint32 id = 0;
942 g_return_val_if_fail(mimeinfo != NULL, NULL);
944 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
946 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
947 base = g_strdup("mimetmp.html");
949 const gchar *basetmp;
951 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
953 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
956 basetmp = g_path_get_basename(basetmp);
957 if (*basetmp == '\0')
958 basetmp = g_strdup("mimetmp");
959 base = conv_filename_from_utf8(basetmp);
960 g_free((gchar*)basetmp);
961 subst_for_shellsafe_filename(base);
964 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
965 f_prefix, base, NULL);
972 static GList *mime_type_list = NULL;
974 gchar *procmime_get_mime_type(const gchar *filename)
976 static GHashTable *mime_type_table = NULL;
982 if (!mime_type_table) {
983 mime_type_table = procmime_get_mime_type_table();
984 if (!mime_type_table) return NULL;
987 base = g_path_get_basename(filename);
988 if ((p = strrchr(base, '.')) != NULL)
989 Xstrdup_a(ext, p + 1, p = NULL );
994 mime_type = g_hash_table_lookup(mime_type_table, ext);
998 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1006 static guint procmime_str_hash(gconstpointer gptr)
1008 guint hash_result = 0;
1011 for (str = gptr; str && *str; str++) {
1012 if (isupper(*str)) hash_result += (*str + ' ');
1013 else hash_result += *str;
1019 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1021 const char *str1 = gptr1;
1022 const char *str2 = gptr2;
1024 return !g_utf8_collate(str1, str2);
1027 static GHashTable *procmime_get_mime_type_table(void)
1029 GHashTable *table = NULL;
1031 MimeType *mime_type;
1034 if (!mime_type_list) {
1035 mime_type_list = procmime_get_mime_type_list();
1036 if (!mime_type_list) return NULL;
1039 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1041 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1045 mime_type = (MimeType *)cur->data;
1047 if (!mime_type->extension) continue;
1049 exts = g_strsplit(mime_type->extension, " ", 16);
1050 for (i = 0; exts[i] != NULL; i++) {
1051 /* make the key case insensitive */
1053 /* use previously dup'd key on overwriting */
1054 if (g_hash_table_lookup(table, exts[i]))
1057 key = g_strdup(exts[i]);
1058 g_hash_table_insert(table, key, mime_type);
1066 GList *procmime_get_mime_type_list(void)
1070 gchar buf[BUFFSIZE];
1073 MimeType *mime_type;
1074 gboolean fp_is_glob_file = TRUE;
1077 return mime_type_list;
1079 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1080 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1082 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1085 fp_is_glob_file = FALSE;
1086 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1087 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1089 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1096 while (fgets(buf, sizeof(buf), fp) != NULL) {
1097 p = strchr(buf, '#');
1103 if (fp_is_glob_file) {
1104 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1106 while (*p && !g_ascii_isspace(*p)) p++;
1113 delim = strchr(buf, '/');
1114 if (delim == NULL) continue;
1117 mime_type = g_new(MimeType, 1);
1118 mime_type->type = g_strdup(buf);
1119 mime_type->sub_type = g_strdup(delim + 1);
1121 if (fp_is_glob_file) {
1122 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1124 while (*p && g_ascii_isspace(*p)) p++;
1128 mime_type->extension = g_strdup(p);
1130 mime_type->extension = NULL;
1132 list = g_list_append(list, mime_type);
1138 g_warning("Can't read mime.types\n");
1143 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1147 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1148 !g_ascii_strcasecmp(charset, "US-ASCII"))
1150 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1151 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1152 !g_ascii_strcasecmp(charset, "Windows-1251"))
1154 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1155 return ENC_QUOTED_PRINTABLE;
1156 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1157 return ENC_QUOTED_PRINTABLE;
1162 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1165 guchar buf[BUFFSIZE];
1167 size_t octet_chars = 0;
1168 size_t total_len = 0;
1169 gfloat octet_percentage;
1170 gboolean force_b64 = FALSE;
1172 if ((fp = g_fopen(file, "rb")) == NULL) {
1173 FILE_OP_ERROR(file, "fopen");
1177 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1181 for (p = buf, i = 0; i < len; ++p, ++i) {
1195 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1197 octet_percentage = 0.0;
1199 debug_print("procmime_get_encoding_for_text_file(): "
1200 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1201 100.0 * octet_percentage);
1203 if (octet_percentage > 0.20 || force_b64) {
1204 debug_print("using BASE64\n");
1206 } else if (octet_chars > 0) {
1207 debug_print("using quoted-printable\n");
1208 return ENC_QUOTED_PRINTABLE;
1210 debug_print("using 7bit\n");
1215 struct EncodingTable
1218 EncodingType enc_type;
1221 struct EncodingTable encoding_table[] = {
1224 {"binary", ENC_BINARY},
1225 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1226 {"base64", ENC_BASE64},
1227 {"x-uuencode", ENC_UNKNOWN},
1228 {NULL, ENC_UNKNOWN},
1231 const gchar *procmime_get_encoding_str(EncodingType encoding)
1233 struct EncodingTable *enc_table;
1235 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1236 if (enc_table->enc_type == encoding)
1237 return enc_table->str;
1242 /* --- NEW MIME STUFF --- */
1249 static struct TypeTable mime_type_table[] = {
1250 {"text", MIMETYPE_TEXT},
1251 {"image", MIMETYPE_IMAGE},
1252 {"audio", MIMETYPE_AUDIO},
1253 {"video", MIMETYPE_VIDEO},
1254 {"application", MIMETYPE_APPLICATION},
1255 {"message", MIMETYPE_MESSAGE},
1256 {"multipart", MIMETYPE_MULTIPART},
1260 const gchar *procmime_get_media_type_str(MimeMediaType type)
1262 struct TypeTable *type_table;
1264 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1265 if (type_table->type == type)
1266 return type_table->str;
1271 MimeMediaType procmime_get_media_type(const gchar *str)
1273 struct TypeTable *typetablearray;
1275 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1276 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1277 return typetablearray->type;
1279 return MIMETYPE_UNKNOWN;
1283 *\brief Safe wrapper for content type string.
1285 *\return const gchar * Pointer to content type string.
1287 gchar *procmime_get_content_type_str(MimeMediaType type,
1288 const char *subtype)
1290 const gchar *type_str = NULL;
1292 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1293 return g_strdup("unknown");
1294 return g_strdup_printf("%s/%s", type_str, subtype);
1297 static int procmime_parse_mimepart(MimeInfo *parent,
1298 gchar *content_type,
1299 gchar *content_encoding,
1300 gchar *content_description,
1302 gchar *content_disposition,
1303 gchar *content_location,
1304 const gchar *original_msgid,
1305 const gchar *disposition_notification_hdr,
1306 const gchar *filename,
1309 gboolean short_scan);
1311 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1313 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1314 {"Content-Transfer-Encoding:",
1316 {"Content-Description:",
1320 {"Content-Disposition:",
1322 {"Content-Location:",
1326 {"Original-Message-ID:",
1330 {NULL, NULL, FALSE}};
1331 guint content_start, i;
1336 procmime_decode_content(mimeinfo);
1338 fp = g_fopen(mimeinfo->data.filename, "rb");
1340 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1343 fseek(fp, mimeinfo->offset, SEEK_SET);
1344 procheader_get_header_fields(fp, hentry);
1345 if (hentry[0].body != NULL) {
1346 tmp = conv_unmime_header(hentry[0].body, NULL);
1347 g_free(hentry[0].body);
1348 hentry[0].body = tmp;
1350 if (hentry[2].body != NULL) {
1351 tmp = conv_unmime_header(hentry[2].body, NULL);
1352 g_free(hentry[2].body);
1353 hentry[2].body = tmp;
1355 if (hentry[4].body != NULL) {
1356 tmp = conv_unmime_header(hentry[4].body, NULL);
1357 g_free(hentry[4].body);
1358 hentry[4].body = tmp;
1360 if (hentry[5].body != NULL) {
1361 tmp = conv_unmime_header(hentry[5].body, NULL);
1362 g_free(hentry[5].body);
1363 hentry[5].body = tmp;
1365 if (hentry[7].body != NULL) {
1366 tmp = conv_unmime_header(hentry[7].body, NULL);
1367 g_free(hentry[7].body);
1368 hentry[7].body = tmp;
1370 if (hentry[8].body != NULL) {
1371 tmp = conv_unmime_header(hentry[8].body, NULL);
1372 g_free(hentry[8].body);
1373 hentry[8].body = tmp;
1376 content_start = ftell(fp);
1379 len = mimeinfo->length - (content_start - mimeinfo->offset);
1382 procmime_parse_mimepart(mimeinfo,
1383 hentry[0].body, hentry[1].body,
1384 hentry[2].body, hentry[3].body,
1385 hentry[4].body, hentry[5].body,
1386 hentry[7].body, hentry[8].body,
1387 mimeinfo->data.filename, content_start,
1390 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1391 g_free(hentry[i].body);
1392 hentry[i].body = NULL;
1396 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1397 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1398 gboolean short_scan)
1400 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1401 {"Disposition:", NULL, TRUE},
1402 {NULL, NULL, FALSE}};
1405 gchar *orig_msg_id = NULL;
1408 procmime_decode_content(mimeinfo);
1410 debug_print("parse disposition notification\n");
1411 fp = g_fopen(mimeinfo->data.filename, "rb");
1413 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1416 fseek(fp, mimeinfo->offset, SEEK_SET);
1418 if (original_msgid && disposition_notification_hdr) {
1419 hentry[0].body = g_strdup(original_msgid);
1420 hentry[1].body = g_strdup(disposition_notification_hdr);
1422 procheader_get_header_fields(fp, hentry);
1425 if (!hentry[0].body || !hentry[1].body) {
1426 debug_print("MsgId %s, Disp %s\n",
1427 hentry[0].body ? hentry[0].body:"(nil)",
1428 hentry[1].body ? hentry[1].body:"(nil)");
1432 orig_msg_id = g_strdup(hentry[0].body);
1433 disp = g_strdup(hentry[1].body);
1435 extract_parenthesis(orig_msg_id, '<', '>');
1436 remove_space(orig_msg_id);
1438 if (strstr(disp, "displayed")) {
1439 /* find sent message, if possible */
1440 MsgInfo *info = NULL;
1442 debug_print("%s has been displayed.\n", orig_msg_id);
1443 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1444 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1446 debug_print("skipping folder with no outbox...\n");
1449 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1450 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1452 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1453 procmsg_msginfo_free(info);
1457 g_free(orig_msg_id);
1460 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1461 g_free(hentry[i].body);
1462 hentry[i].body = NULL;
1466 #define GET_HEADERS() { \
1467 procheader_get_header_fields(fp, hentry); \
1468 if (hentry[0].body != NULL) { \
1469 tmp = conv_unmime_header(hentry[0].body, NULL); \
1470 g_free(hentry[0].body); \
1471 hentry[0].body = tmp; \
1473 if (hentry[2].body != NULL) { \
1474 tmp = conv_unmime_header(hentry[2].body, NULL); \
1475 g_free(hentry[2].body); \
1476 hentry[2].body = tmp; \
1478 if (hentry[4].body != NULL) { \
1479 tmp = conv_unmime_header(hentry[4].body, NULL); \
1480 g_free(hentry[4].body); \
1481 hentry[4].body = tmp; \
1483 if (hentry[5].body != NULL) { \
1484 tmp = conv_unmime_header(hentry[5].body, NULL); \
1485 g_free(hentry[5].body); \
1486 hentry[5].body = tmp; \
1488 if (hentry[6].body != NULL) { \
1489 tmp = conv_unmime_header(hentry[6].body, NULL); \
1490 g_free(hentry[6].body); \
1491 hentry[6].body = tmp; \
1493 if (hentry[7].body != NULL) { \
1494 tmp = conv_unmime_header(hentry[7].body, NULL); \
1495 g_free(hentry[7].body); \
1496 hentry[7].body = tmp; \
1500 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1502 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1503 {"Content-Transfer-Encoding:",
1505 {"Content-Description:",
1509 {"Content-Disposition:",
1511 {"Content-Location:",
1513 {"Original-Message-ID:",
1517 {NULL, NULL, FALSE}};
1520 gint boundary_len = 0, lastoffset = -1, i;
1521 gchar buf[BUFFSIZE];
1524 gboolean done = FALSE;
1526 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1529 boundary_len = strlen(boundary);
1531 procmime_decode_content(mimeinfo);
1533 fp = g_fopen(mimeinfo->data.filename, "rb");
1535 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1538 fseek(fp, mimeinfo->offset, SEEK_SET);
1539 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1540 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1543 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1544 if (lastoffset != -1) {
1545 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1548 result = procmime_parse_mimepart(mimeinfo,
1549 hentry[0].body, hentry[1].body,
1550 hentry[2].body, hentry[3].body,
1551 hentry[4].body, hentry[5].body,
1552 hentry[6].body, hentry[7].body,
1553 mimeinfo->data.filename, lastoffset,
1555 if (result == 1 && short_scan) {
1561 if (buf[2 + boundary_len] == '-' &&
1562 buf[2 + boundary_len + 1] == '-') {
1565 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1566 g_free(hentry[i].body);
1567 hentry[i].body = NULL;
1570 lastoffset = ftell(fp);
1573 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1574 g_free(hentry[i].body);
1575 hentry[i].body = NULL;
1580 static void parse_parameters(const gchar *parameters, GHashTable *table)
1582 gchar *params, *param, *next;
1583 GSList *convlist = NULL, *concatlist = NULL, *cur;
1585 params = g_strdup(parameters);
1588 for (; next != NULL; param = next) {
1589 gchar *attribute, *value, *tmp;
1591 gboolean convert = FALSE;
1593 next = strchr_with_skip_quote(param, '"', ';');
1602 value = strchr(attribute, '=');
1608 while (value[0] == ' ')
1611 g_strdown(attribute);
1613 len = strlen(attribute);
1614 if (attribute[len - 1] == '*') {
1615 gchar *srcpos, *dstpos, *endpos;
1618 attribute[len - 1] = '\0';
1622 endpos = value + strlen(value);
1623 while (srcpos < endpos) {
1629 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1640 if (value[0] == '"')
1641 extract_quote(value, '"');
1642 else if ((tmp = strchr(value, ' ')) != NULL)
1647 while (attribute[0] == ' ')
1649 while (attribute[strlen(attribute)-1] == ' ')
1650 attribute[strlen(attribute)-1] = '\0';
1653 while (value[0] == ' ')
1655 while (value[strlen(value)-1] == ' ')
1656 value[strlen(value)-1] = '\0';
1658 if (strrchr(attribute, '*') != NULL) {
1661 tmpattr = g_strdup(attribute);
1662 tmp = strrchr(tmpattr, '*');
1665 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1666 (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
1667 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1669 if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
1670 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1673 } else if (convert) {
1674 if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
1675 convlist = g_slist_prepend(convlist, g_strdup(attribute));
1678 if (g_hash_table_lookup(table, attribute) == NULL)
1679 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
1682 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1683 gchar *attribute, *attrwnum, *partvalue;
1687 attribute = (gchar *) cur->data;
1688 value = g_string_sized_new(64);
1690 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1691 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1692 g_string_append(value, partvalue);
1696 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1700 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1701 g_string_free(value, TRUE);
1703 slist_free_strings(concatlist);
1704 g_slist_free(concatlist);
1706 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1707 gchar *attribute, *key, *value;
1708 gchar *charset, *lang, *oldvalue, *newvalue;
1710 attribute = (gchar *) cur->data;
1711 if (!g_hash_table_lookup_extended(
1712 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1716 lang = strchr(charset, '\'');
1721 oldvalue = strchr(lang, '\'');
1722 if (oldvalue == NULL)
1727 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1729 g_hash_table_remove(table, attribute);
1733 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1735 slist_free_strings(convlist);
1736 g_slist_free(convlist);
1741 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1743 g_return_if_fail(content_type != NULL);
1744 g_return_if_fail(mimeinfo != NULL);
1746 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1747 * if it's not available we use the default Content-Type */
1748 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1749 mimeinfo->type = MIMETYPE_TEXT;
1750 mimeinfo->subtype = g_strdup("plain");
1751 if (g_hash_table_lookup(mimeinfo->typeparameters,
1752 "charset") == NULL) {
1753 g_hash_table_insert(mimeinfo->typeparameters,
1754 g_strdup("charset"),
1756 conv_get_locale_charset_str_no_utf8()));
1759 gchar *type, *subtype, *params;
1761 type = g_strdup(content_type);
1762 subtype = strchr(type, '/') + 1;
1763 *(subtype - 1) = '\0';
1764 if ((params = strchr(subtype, ';')) != NULL) {
1769 mimeinfo->type = procmime_get_media_type(type);
1770 mimeinfo->subtype = g_strdup(subtype);
1772 /* Get mimeinfo->typeparameters */
1774 parse_parameters(params, mimeinfo->typeparameters);
1780 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1782 gchar *tmp, *params;
1784 g_return_if_fail(content_disposition != NULL);
1785 g_return_if_fail(mimeinfo != NULL);
1787 tmp = g_strdup(content_disposition);
1788 if ((params = strchr(tmp, ';')) != NULL) {
1794 if (!g_ascii_strcasecmp(tmp, "inline"))
1795 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1796 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1797 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1799 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1802 parse_parameters(params, mimeinfo->dispositionparameters);
1808 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1810 struct EncodingTable *enc_table;
1812 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1813 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1814 mimeinfo->encoding_type = enc_table->enc_type;
1818 mimeinfo->encoding_type = ENC_UNKNOWN;
1822 static GSList *registered_parsers = NULL;
1824 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1827 for (cur = registered_parsers; cur; cur = cur->next) {
1828 MimeParser *parser = (MimeParser *)cur->data;
1829 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1835 void procmime_mimeparser_register(MimeParser *parser)
1837 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1838 registered_parsers = g_slist_append(registered_parsers, parser);
1842 void procmime_mimeparser_unregister(MimeParser *parser)
1844 registered_parsers = g_slist_remove(registered_parsers, parser);
1847 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1849 g_return_val_if_fail(parser->parse != NULL, FALSE);
1850 return parser->parse(parser, mimeinfo);
1853 static int procmime_parse_mimepart(MimeInfo *parent,
1854 gchar *content_type,
1855 gchar *content_encoding,
1856 gchar *content_description,
1858 gchar *content_disposition,
1859 gchar *content_location,
1860 const gchar *original_msgid,
1861 const gchar *disposition_notification_hdr,
1862 const gchar *filename,
1865 gboolean short_scan)
1868 MimeParser *parser = NULL;
1869 gboolean parsed = FALSE;
1872 /* Create MimeInfo */
1873 mimeinfo = procmime_mimeinfo_new();
1874 mimeinfo->content = MIMECONTENT_FILE;
1875 if (parent != NULL) {
1876 if (g_node_depth(parent->node) > 32) {
1877 /* 32 is an arbitrary value
1878 * this avoids DOSsing ourselves
1879 * with enormous messages
1881 procmime_mimeinfo_free_all(mimeinfo);
1884 g_node_append(parent->node, mimeinfo->node);
1886 mimeinfo->data.filename = g_strdup(filename);
1887 mimeinfo->offset = offset;
1888 mimeinfo->length = length;
1890 if (content_type != NULL) {
1891 procmime_parse_content_type(content_type, mimeinfo);
1893 mimeinfo->type = MIMETYPE_TEXT;
1894 mimeinfo->subtype = g_strdup("plain");
1895 if (g_hash_table_lookup(mimeinfo->typeparameters,
1896 "charset") == NULL) {
1897 g_hash_table_insert(mimeinfo->typeparameters,
1898 g_strdup("charset"),
1900 conv_get_locale_charset_str_no_utf8()));
1904 if (content_encoding != NULL) {
1905 procmime_parse_content_encoding(content_encoding, mimeinfo);
1907 mimeinfo->encoding_type = ENC_UNKNOWN;
1910 if (content_description != NULL)
1911 mimeinfo->description = g_strdup(content_description);
1913 mimeinfo->description = NULL;
1915 if (content_id != NULL)
1916 mimeinfo->id = g_strdup(content_id);
1918 mimeinfo->id = NULL;
1920 if (content_location != NULL)
1921 mimeinfo->location = g_strdup(content_location);
1923 mimeinfo->location = NULL;
1925 if (content_disposition != NULL)
1926 procmime_parse_content_disposition(content_disposition, mimeinfo);
1928 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1930 /* Call parser for mime type */
1931 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1932 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1935 switch (mimeinfo->type) {
1937 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
1942 case MIMETYPE_MESSAGE:
1943 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1944 procmime_parse_message_rfc822(mimeinfo, short_scan);
1946 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
1947 procmime_parse_disposition_notification(mimeinfo,
1948 original_msgid, disposition_notification_hdr, short_scan);
1952 case MIMETYPE_MULTIPART:
1953 procmime_parse_multipart(mimeinfo, short_scan);
1956 case MIMETYPE_APPLICATION:
1957 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
1958 && original_msgid && *original_msgid
1959 && disposition_notification_hdr && *disposition_notification_hdr) {
1960 procmime_parse_disposition_notification(mimeinfo,
1961 original_msgid, disposition_notification_hdr, short_scan);
1972 static gchar *typenames[] = {
1983 static gboolean output_func(GNode *node, gpointer data)
1986 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1988 depth = g_node_depth(node);
1989 for (i = 0; i < depth; i++)
1991 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
1996 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
1998 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2001 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2006 stat(filename, &buf);
2008 mimeinfo = procmime_mimeinfo_new();
2009 mimeinfo->content = MIMECONTENT_FILE;
2010 mimeinfo->encoding_type = ENC_UNKNOWN;
2011 mimeinfo->type = MIMETYPE_MESSAGE;
2012 mimeinfo->subtype = g_strdup("rfc822");
2013 mimeinfo->data.filename = g_strdup(filename);
2014 mimeinfo->offset = offset;
2015 mimeinfo->length = buf.st_size - offset;
2017 procmime_parse_message_rfc822(mimeinfo, short_scan);
2018 if (debug_get_mode())
2019 output_mime_structure(mimeinfo, 0);
2024 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2028 g_return_val_if_fail(filename != NULL, NULL);
2030 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2035 MimeInfo *procmime_scan_file(const gchar *filename)
2037 return procmime_scan_file_full(filename, FALSE);
2040 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2042 return procmime_scan_file_full(filename, TRUE);
2045 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2049 gchar buf[BUFFSIZE];
2052 g_return_val_if_fail(filename != NULL, NULL);
2055 if ((fp = g_fopen(filename, "rb")) == NULL)
2057 /* Skip queue header */
2058 while (fgets(buf, sizeof(buf), fp) != NULL) {
2060 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2061 strlen("X-Claws-End-Special-Headers:"))) ||
2062 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2063 strlen("X-Sylpheed-End-Special-Headers:"))))
2066 if (buf[0] == '\r' || buf[0] == '\n') break;
2067 /* from other mailers */
2068 if (!strncmp(buf, "Date: ", 6)
2069 || !strncmp(buf, "To: ", 4)
2070 || !strncmp(buf, "From: ", 6)
2071 || !strncmp(buf, "Subject: ", 9)) {
2079 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2084 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2086 return procmime_scan_queue_file_full(filename, FALSE);
2089 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2091 return procmime_scan_queue_file_full(filename, TRUE);
2096 ENC_AS_QUOTED_STRING,
2101 typedef struct _ParametersData {
2108 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2111 gchar *val = value, *valpos, *tmp;
2112 ParametersData *pdata = (ParametersData *)user_data;
2113 GString *buf = g_string_new("");
2115 EncodeAs encas = ENC_AS_TOKEN;
2117 for (valpos = val; *valpos != 0; valpos++) {
2118 if (!IS_ASCII(*valpos) || *valpos == '"') {
2119 encas = ENC_AS_EXTENDED;
2124 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2125 encas = ENC_AS_QUOTED_STRING;
2129 /* tspecials + SPACE */
2147 encas = ENC_AS_QUOTED_STRING;
2152 if (encas == ENC_AS_EXTENDED && pdata->ascii_only == TRUE)
2153 encas = ENC_TO_ASCII;
2157 g_string_append_printf(buf, "%s=%s", param, val);
2161 tmp = g_strdup(val);
2163 " ()<>@,';:\\/[]?=.0123456789"
2164 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2165 "abcdefghijklmnopqrstuvwxyz",
2167 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2171 case ENC_AS_QUOTED_STRING:
2172 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2175 case ENC_AS_EXTENDED:
2176 if (!g_utf8_validate(val, -1, NULL))
2177 g_string_append_printf(buf, "%s*=%s''", param,
2178 conv_get_locale_charset_str());
2180 g_string_append_printf(buf, "%s*=%s''", param,
2182 for (valpos = val; *valpos != '\0'; valpos++) {
2183 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2184 g_string_append_printf(buf, "%c", *valpos);
2186 gchar hexstr[3] = "XX";
2187 get_hex_str(hexstr, *valpos);
2188 g_string_append_printf(buf, "%%%s", hexstr);
2194 if (buf->str && strlen(buf->str)) {
2195 if (pdata->len + strlen(buf->str) + 2 > 76) {
2196 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2197 pdata->error = TRUE;
2198 pdata->len = strlen(buf->str) + 1;
2200 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2201 pdata->error = TRUE;
2202 pdata->len += strlen(buf->str) + 2;
2205 g_string_free(buf, TRUE);
2208 #define TRY(func) { \
2214 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2216 struct TypeTable *type_table;
2217 ParametersData *pdata = g_new0(ParametersData, 1);
2218 debug_print("procmime_write_mime_header\n");
2221 pdata->ascii_only = FALSE;
2222 pdata->error = FALSE;
2223 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2224 if (mimeinfo->type == type_table->type) {
2225 gchar *buf = g_strdup_printf(
2226 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2227 if (fprintf(fp, "%s", buf) < 0) {
2232 pdata->len = strlen(buf);
2233 pdata->ascii_only = TRUE;
2237 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2238 if (pdata->error == TRUE) {
2244 TRY(fprintf(fp, "\n") >= 0);
2246 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2247 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2249 if (mimeinfo->description != NULL)
2250 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2252 if (mimeinfo->id != NULL)
2253 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2255 if (mimeinfo->location != NULL)
2256 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2258 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2259 ParametersData *pdata = g_new0(ParametersData, 1);
2261 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2262 buf = g_strdup("Content-Disposition: inline");
2263 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2264 buf = g_strdup("Content-Disposition: attachment");
2266 buf = g_strdup("Content-Disposition: unknown");
2268 if (fprintf(fp, "%s", buf) < 0) {
2273 pdata->len = strlen(buf);
2277 pdata->ascii_only = FALSE;
2278 pdata->error = FALSE;
2279 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2280 if (pdata->error == TRUE) {
2285 TRY(fprintf(fp, "\n") >= 0);
2288 TRY(fprintf(fp, "\n") >= 0);
2293 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2298 gchar buf[BUFFSIZE];
2299 gboolean skip = FALSE;;
2302 debug_print("procmime_write_message_rfc822\n");
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 fseek(infp, mimeinfo->offset, SEEK_SET);
2312 while (fgets(buf, sizeof(buf), infp) == buf) {
2314 if (buf[0] == '\n' && buf[1] == '\0')
2316 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2318 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2319 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2320 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2321 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2322 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2323 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2324 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2329 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2330 g_warning("failed to dump %zd bytes from file", len);
2339 case MIMECONTENT_MEM:
2340 len = strlen(mimeinfo->data.mem);
2341 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2342 g_warning("failed to dump %zd bytes from mem", len);
2351 childnode = mimeinfo->node->children;
2352 if (childnode == NULL)
2355 child = (MimeInfo *) childnode->data;
2356 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2357 g_warning("failed to write mime version");
2360 if (procmime_write_mime_header(child, fp) < 0)
2362 return procmime_write_mimeinfo(child, fp);
2365 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2369 gchar *boundary, *str, *str2;
2370 gchar buf[BUFFSIZE];
2371 gboolean firstboundary;
2374 debug_print("procmime_write_multipart\n");
2376 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2378 switch (mimeinfo->content) {
2379 case MIMECONTENT_FILE:
2380 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2381 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2384 fseek(infp, mimeinfo->offset, SEEK_SET);
2385 while (fgets(buf, sizeof(buf), infp) == buf) {
2386 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2389 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2390 g_warning("failed to write %zd", len);
2398 case MIMECONTENT_MEM:
2399 str = g_strdup(mimeinfo->data.mem);
2400 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2401 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2404 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2405 g_warning("failed to write %zd from mem", len);
2416 childnode = mimeinfo->node->children;
2417 firstboundary = TRUE;
2418 while (childnode != NULL) {
2419 MimeInfo *child = childnode->data;
2422 firstboundary = FALSE;
2424 TRY(fprintf(fp, "\n") >= 0);
2426 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2428 if (procmime_write_mime_header(child, fp) < 0)
2430 if (procmime_write_mimeinfo(child, fp) < 0)
2433 childnode = g_node_next_sibling(childnode);
2435 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2440 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2444 debug_print("procmime_write_mimeinfo\n");
2446 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2447 switch (mimeinfo->content) {
2448 case MIMECONTENT_FILE:
2449 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2450 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2453 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2457 case MIMECONTENT_MEM:
2458 len = strlen(mimeinfo->data.mem);
2459 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2467 /* Call writer for mime type */
2468 switch (mimeinfo->type) {
2469 case MIMETYPE_MESSAGE:
2470 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2471 return procmime_write_message_rfc822(mimeinfo, fp);
2475 case MIMETYPE_MULTIPART:
2476 return procmime_write_multipart(mimeinfo, fp);
2488 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2492 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2493 base = g_strdup("mimetmp.html");
2495 const gchar *basetmp;
2498 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2499 if (basetmp == NULL)
2500 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2501 if (basetmp == NULL)
2502 basetmp = "mimetmp";
2503 basename = g_path_get_basename(basetmp);
2504 if (*basename == '\0') {
2506 basename = g_strdup("mimetmp");
2508 base = conv_filename_from_utf8(basename);
2510 subst_for_shellsafe_filename(base);