2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2016 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/>.
21 #include "claws-features.h"
29 #include <glib/gi18n.h>
35 #include <sys/types.h>
41 #include "procheader.h"
42 #include "quoted-printable.h"
49 #include "prefs_common.h"
50 #include "prefs_gtk.h"
51 #include "alertpanel.h"
55 #include "file-utils.h"
57 static GHashTable *procmime_get_mime_type_table (void);
58 static MimeInfo *procmime_scan_file_short(const gchar *filename);
59 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
60 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
62 MimeInfo *procmime_mimeinfo_new(void)
66 mimeinfo = g_new0(MimeInfo, 1);
68 mimeinfo->content = MIMECONTENT_EMPTY;
69 mimeinfo->data.filename = NULL;
71 mimeinfo->type = MIMETYPE_UNKNOWN;
72 mimeinfo->encoding_type = ENC_UNKNOWN;
73 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
75 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
76 mimeinfo->dispositionparameters
77 = g_hash_table_new(g_str_hash, g_str_equal);
79 mimeinfo->node = g_node_new(mimeinfo);
84 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
92 static gchar *forced_charset = NULL;
94 void procmime_force_charset(const gchar *str)
96 g_free(forced_charset);
97 forced_charset = NULL;
99 forced_charset = g_strdup(str);
102 static EncodingType forced_encoding = 0;
104 void procmime_force_encoding(EncodingType encoding)
106 forced_encoding = encoding;
109 static gboolean free_func(GNode *node, gpointer data)
111 MimeInfo *mimeinfo = (MimeInfo *) node->data;
113 switch (mimeinfo->content) {
114 case MIMECONTENT_FILE:
116 claws_unlink(mimeinfo->data.filename);
117 g_free(mimeinfo->data.filename);
120 case MIMECONTENT_MEM:
122 g_free(mimeinfo->data.mem);
127 g_free(mimeinfo->subtype);
128 g_free(mimeinfo->description);
129 g_free(mimeinfo->id);
130 g_free(mimeinfo->location);
132 g_hash_table_foreach_remove(mimeinfo->typeparameters,
133 procmime_mimeinfo_parameters_destroy, NULL);
134 g_hash_table_destroy(mimeinfo->typeparameters);
135 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
136 procmime_mimeinfo_parameters_destroy, NULL);
137 g_hash_table_destroy(mimeinfo->dispositionparameters);
139 if (mimeinfo->privacy)
140 privacy_free_privacydata(mimeinfo->privacy);
147 void procmime_mimeinfo_free_all(MimeInfo **mimeinfo_ptr)
149 MimeInfo *mimeinfo = *mimeinfo_ptr;
155 node = mimeinfo->node;
156 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
158 g_node_destroy(node);
160 *mimeinfo_ptr = NULL;
163 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
165 cm_return_val_if_fail(mimeinfo != NULL, NULL);
166 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
168 if (mimeinfo->node->parent == NULL)
170 return (MimeInfo *) mimeinfo->node->parent->data;
173 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
175 cm_return_val_if_fail(mimeinfo != NULL, NULL);
176 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
178 if (mimeinfo->node->children)
179 return (MimeInfo *) mimeinfo->node->children->data;
180 if (mimeinfo->node->next)
181 return (MimeInfo *) mimeinfo->node->next->data;
183 if (mimeinfo->node->parent == NULL)
186 while (mimeinfo->node->parent != NULL) {
187 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
188 if (mimeinfo->node->next)
189 return (MimeInfo *) mimeinfo->node->next->data;
195 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
200 filename = procmsg_get_message_file_path(msginfo);
201 if (!filename || !is_file_exist(filename)) {
206 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
207 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
208 mimeinfo = procmime_scan_file(filename);
210 mimeinfo = procmime_scan_queue_file(filename);
216 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
221 filename = procmsg_get_message_file_path(msginfo);
222 if (!filename || !is_file_exist(filename)) {
227 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
228 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
229 mimeinfo = procmime_scan_file_short(filename);
231 mimeinfo = procmime_scan_queue_file_short(filename);
239 H_CONTENT_TRANSFER_ENCODING = 0,
241 H_CONTENT_DISPOSITION = 2,
242 H_CONTENT_DESCRIPTION = 3,
246 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
250 cm_return_val_if_fail(mimeinfo != NULL, NULL);
251 cm_return_val_if_fail(name != NULL, NULL);
253 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
255 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
260 #define FLUSH_LASTLINE() { \
261 if (*lastline != '\0') { \
263 strretchomp(lastline); \
264 llen = strlen(lastline); \
265 if (lastline[llen-1] == ' ' && !account_signatures_matchlist_str_found(lastline, "%s") && \
266 !(llen == 2 && lastline[1] == ' ' && strchr(prefs_common.quote_chars, lastline[0]))) { \
267 /* this is flowed */ \
269 lastline[llen-1] = '\0'; \
270 if (claws_fputs(lastline, outfp) == EOF) \
273 if (claws_fputs(lastline, outfp) == EOF) \
275 if (claws_fputs("\n", outfp) == EOF) \
279 strcpy(lastline, buf); \
282 gboolean procmime_decode_content(MimeInfo *mimeinfo)
289 gboolean tmp_file = FALSE;
290 gboolean flowed = FALSE;
291 gboolean delsp = FALSE;
292 gboolean err = FALSE;
296 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
298 EncodingType encoding = forced_encoding
300 : mimeinfo->encoding_type;
301 gchar lastline[BUFFSIZE];
302 memset(lastline, 0, BUFFSIZE);
304 if (prefs_common.respect_flowed_format &&
305 mimeinfo->type == MIMETYPE_TEXT &&
306 !strcasecmp(mimeinfo->subtype, "plain")) {
307 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
308 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
311 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
312 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
317 encoding == ENC_UNKNOWN ||
318 encoding == ENC_BINARY ||
319 encoding == ENC_7BIT ||
324 if (mimeinfo->type == MIMETYPE_MULTIPART || mimeinfo->type == MIMETYPE_MESSAGE)
327 if (mimeinfo->data.filename == NULL)
330 infp = claws_fopen(mimeinfo->data.filename, "rb");
332 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
335 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
336 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
341 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
349 readend = mimeinfo->offset + mimeinfo->length;
351 account_signatures_matchlist_create(); /* FLUSH_LASTLINE will use it */
354 if (encoding == ENC_QUOTED_PRINTABLE) {
355 while ((ftell(infp) < readend) && (claws_fgets(buf, sizeof(buf), infp) != NULL)) {
357 len = qp_decode_line(buf);
360 if (claws_fwrite(buf, 1, len, outfp) < len)
368 } else if (encoding == ENC_BASE64) {
369 gchar outbuf[BUFFSIZE];
370 gint len, inlen, inread;
371 gboolean got_error = FALSE;
372 gboolean uncanonicalize = FALSE;
374 gboolean null_bytes = FALSE;
375 gboolean starting = TRUE;
377 if (mimeinfo->type == MIMETYPE_TEXT ||
378 mimeinfo->type == MIMETYPE_MESSAGE) {
379 uncanonicalize = TRUE;
380 tmpfp = my_tmpfile();
382 perror("my_tmpfile");
391 while ((inlen = MIN(readend - ftell(infp), sizeof(buf))) > 0 && !err) {
392 inread = claws_fread(buf, 1, inlen, infp);
393 len = g_base64_decode_step(buf, inlen, outbuf, &state, &save);
394 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
395 uncanonicalize = FALSE;
399 if (((inread != inlen) || len < 0) && !got_error) {
400 g_warning("Bad BASE64 content.");
401 if (claws_fwrite(_("[Error decoding BASE64]\n"),
403 strlen(_("[Error decoding BASE64]\n")),
404 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
405 g_warning("error decoding BASE64");
408 } else if (len >= 0) {
409 /* print out the error message only once
412 /* we won't uncanonicalize, output to outfp directly */
413 if (claws_fwrite(outbuf, sizeof(gchar), len, outfp) < len)
416 if (claws_fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
423 if (uncanonicalize) {
425 while (claws_fgets(buf, sizeof(buf), tmpfp) != NULL) {
427 if (claws_fputs(buf, outfp) == EOF)
431 if (tmpfp != outfp) {
434 } else if (encoding == ENC_X_UUENCODE) {
435 gchar outbuf[BUFFSIZE];
437 gboolean flag = FALSE;
439 while ((ftell(infp) < readend) && (claws_fgets(buf, sizeof(buf), infp) != NULL)) {
440 if (!flag && strncmp(buf,"begin ", 6)) continue;
443 len = fromuutobits(outbuf, buf);
446 g_warning("Bad UUENCODE content (%d)", len);
449 if (claws_fwrite(outbuf, sizeof(gchar), len, outfp) < len)
455 while ((ftell(infp) < readend) && (claws_fgets(buf, sizeof(buf), infp) != NULL)) {
457 if (claws_fputs(buf, outfp) == EOF)
466 g_warning("write error");
472 account_signatures_matchlist_delete();
478 if (g_stat(tmpfilename, &statbuf) < 0) {
479 FILE_OP_ERROR(tmpfilename, "stat");
484 claws_unlink(mimeinfo->data.filename);
485 g_free(mimeinfo->data.filename);
486 mimeinfo->data.filename = tmpfilename;
487 mimeinfo->tmp = TRUE;
488 mimeinfo->offset = 0;
489 mimeinfo->length = statbuf.st_size;
490 mimeinfo->encoding_type = ENC_BINARY;
495 #define B64_LINE_SIZE 57
496 #define B64_BUFFSIZE 77
498 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
500 FILE *infp = NULL, *outfp;
504 gboolean err = FALSE;
506 if (mimeinfo->content == MIMECONTENT_EMPTY)
509 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
510 mimeinfo->encoding_type != ENC_BINARY &&
511 mimeinfo->encoding_type != ENC_7BIT &&
512 mimeinfo->encoding_type != ENC_8BIT)
513 if(!procmime_decode_content(mimeinfo))
516 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
522 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
523 if ((infp = claws_fopen(mimeinfo->data.filename, "rb")) == NULL) {
524 g_warning("Can't open file %s", mimeinfo->data.filename);
528 } else if (mimeinfo->content == MIMECONTENT_MEM) {
529 infp = str_open_as_stream(mimeinfo->data.mem);
536 g_warning("Unknown mimeinfo");
540 if (encoding == ENC_BASE64) {
541 gchar inbuf[B64_LINE_SIZE], *out;
543 gchar *tmp_file = NULL;
545 if (mimeinfo->type == MIMETYPE_TEXT ||
546 mimeinfo->type == MIMETYPE_MESSAGE) {
547 if (mimeinfo->content == MIMECONTENT_FILE) {
548 tmp_file = get_tmp_file();
549 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
555 if ((tmp_fp = claws_fopen(tmp_file, "rb")) == NULL) {
556 FILE_OP_ERROR(tmp_file, "claws_fopen");
557 claws_unlink(tmp_file);
564 gchar *out = canonicalize_str(mimeinfo->data.mem);
566 infp = str_open_as_stream(out);
576 while ((len = claws_fread(inbuf, sizeof(gchar),
577 B64_LINE_SIZE, tmp_fp))
579 out = g_base64_encode(inbuf, B64_LINE_SIZE);
580 if (claws_fputs(out, outfp) == EOF)
583 if (claws_fputc('\n', outfp) == EOF)
586 if (len > 0 && claws_feof(tmp_fp)) {
587 out = g_base64_encode(inbuf, len);
588 if (claws_fputs(out, outfp) == EOF)
591 if (claws_fputc('\n', outfp) == EOF)
596 claws_fclose(tmp_fp);
597 claws_unlink(tmp_file);
600 } else if (encoding == ENC_QUOTED_PRINTABLE) {
601 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
603 while (claws_fgets(inbuf, sizeof(inbuf), infp) != NULL) {
604 qp_encode_line(outbuf, inbuf);
606 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
607 gchar *tmpbuf = outbuf;
609 tmpbuf += sizeof("From ")-1;
611 if (claws_fputs("=46rom ", outfp) == EOF)
613 if (claws_fputs(tmpbuf, outfp) == EOF)
616 if (claws_fputs(outbuf, outfp) == EOF)
623 while (claws_fgets(buf, sizeof(buf), infp) != NULL) {
625 if (claws_fputs(buf, outfp) == EOF)
636 if (mimeinfo->content == MIMECONTENT_FILE) {
637 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
638 claws_unlink(mimeinfo->data.filename);
639 g_free(mimeinfo->data.filename);
640 } else if (mimeinfo->content == MIMECONTENT_MEM) {
641 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
642 g_free(mimeinfo->data.mem);
645 if (g_stat(tmpfilename, &statbuf) < 0) {
646 FILE_OP_ERROR(tmpfilename, "stat");
649 mimeinfo->content = MIMECONTENT_FILE;
650 mimeinfo->data.filename = tmpfilename;
651 mimeinfo->tmp = TRUE;
652 mimeinfo->offset = 0;
653 mimeinfo->length = statbuf.st_size;
654 mimeinfo->encoding_type = encoding;
659 static gint procmime_get_part_to_stream(FILE *outfp, MimeInfo *mimeinfo)
663 gint restlength, readlength;
664 gint saved_errno = 0;
666 cm_return_val_if_fail(outfp != NULL, -1);
667 cm_return_val_if_fail(mimeinfo != NULL, -1);
669 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
672 if ((infp = claws_fopen(mimeinfo->data.filename, "rb")) == NULL) {
674 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
675 return -(saved_errno);
677 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
679 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
681 return -(saved_errno);
684 restlength = mimeinfo->length;
686 while ((restlength > 0) && ((readlength = claws_fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
687 if (claws_fwrite(buf, 1, readlength, outfp) != readlength) {
690 return -(saved_errno);
692 restlength -= readlength;
701 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
705 gint saved_errno = 0;
707 cm_return_val_if_fail(outfile != NULL, -1);
709 if ((outfp = claws_fopen(outfile, "wb")) == NULL) {
711 FILE_OP_ERROR(outfile, "claws_fopen");
712 return -(saved_errno);
715 result = procmime_get_part_to_stream(outfp, mimeinfo);
717 if (claws_fclose(outfp) == EOF) {
719 FILE_OP_ERROR(outfile, "claws_fclose");
720 claws_unlink(outfile);
721 return -(saved_errno);
727 gboolean procmime_scan_text_content(MimeInfo *mimeinfo,
728 gboolean (*scan_callback)(const gchar *str, gpointer cb_data),
732 const gchar *src_codeset;
733 gboolean conv_fail = FALSE;
736 gboolean scan_ret = FALSE;
739 cm_return_val_if_fail(mimeinfo != NULL, TRUE);
740 cm_return_val_if_fail(scan_callback != NULL, TRUE);
742 if (!procmime_decode_content(mimeinfo))
745 tmpfp = my_tmpfile();
748 FILE_OP_ERROR("tmpfile", "open");
752 if ((r = procmime_get_part_to_stream(tmpfp, mimeinfo)) < 0) {
753 g_warning("procmime_get_part_to_stream error %d\n", r);
757 src_codeset = forced_charset
759 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
761 /* use supersets transparently when possible */
762 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
763 src_codeset = CS_WINDOWS_1252;
764 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
765 src_codeset = CS_GB18030;
766 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
767 src_codeset = CS_GB18030;
768 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
769 src_codeset = CS_GB18030;
770 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_VIET_VPS))
771 src_codeset = CS_WINDOWS_874;
773 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
774 SC_HTMLParser *parser;
777 conv = conv_code_converter_new(src_codeset);
778 parser = sc_html_parser_new(tmpfp, conv);
779 while ((str = sc_html_parse(parser)) != NULL) {
780 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
783 sc_html_parser_destroy(parser);
784 conv_code_converter_destroy(conv);
785 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
789 conv = conv_code_converter_new(src_codeset);
790 parser = ertf_parser_new(tmpfp, conv);
791 while ((str = ertf_parse(parser)) != NULL) {
792 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
795 ertf_parser_destroy(parser);
796 conv_code_converter_destroy(conv);
797 } else if (mimeinfo->type == MIMETYPE_TEXT && mimeinfo->disposition != DISPOSITIONTYPE_ATTACHMENT) {
798 while (claws_fgets(buf, sizeof(buf), tmpfp) != NULL) {
799 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
801 if ((scan_ret = scan_callback(str, cb_data)) == TRUE) {
808 if ((scan_ret = scan_callback(buf, cb_data)) == TRUE)
815 g_warning("procmime_get_text_content(): Code conversion failed.");
822 static gboolean scan_fputs_cb(const gchar *str, gpointer fp)
824 if (claws_fputs(str, (FILE *)fp) == EOF)
830 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
835 if ((outfp = my_tmpfile()) == NULL) {
836 perror("my_tmpfile");
840 err = procmime_scan_text_content(mimeinfo, scan_fputs_cb, outfp);
851 FILE *procmime_get_binary_content(MimeInfo *mimeinfo)
855 cm_return_val_if_fail(mimeinfo != NULL, NULL);
857 if (!procmime_decode_content(mimeinfo))
860 outfp = my_tmpfile();
862 if (procmime_get_part_to_stream(outfp, mimeinfo) < 0) {
869 /* search the first text part of (multipart) MIME message,
870 decode, convert it and output to outfp. */
871 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
874 MimeInfo *mimeinfo, *partinfo;
875 gboolean empty_ok = FALSE, short_scan = TRUE;
877 cm_return_val_if_fail(msginfo != NULL, NULL);
879 /* first we try to short-scan (for speed), refusing empty parts */
882 mimeinfo = procmime_scan_message_short(msginfo);
884 mimeinfo = procmime_scan_message(msginfo);
885 if (!mimeinfo) return NULL;
888 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
889 (partinfo->length == 0 && !empty_ok))) {
890 partinfo = procmime_mimeinfo_next(partinfo);
893 outfp = procmime_get_text_content(partinfo);
894 else if (!empty_ok && short_scan) {
895 /* if short scan didn't find a non-empty part, rescan
896 * fully for non-empty parts
899 procmime_mimeinfo_free_all(&mimeinfo);
901 } else if (!empty_ok && !short_scan) {
902 /* if full scan didn't find a non-empty part, rescan
903 * accepting empty parts
906 procmime_mimeinfo_free_all(&mimeinfo);
909 procmime_mimeinfo_free_all(&mimeinfo);
915 static gboolean find_encrypted_func(GNode *node, gpointer data)
917 MimeInfo *mimeinfo = (MimeInfo *) node->data;
918 MimeInfo **encinfo = (MimeInfo **) data;
920 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
928 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
930 MimeInfo *encinfo = NULL;
932 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
933 find_encrypted_func, &encinfo);
938 /* search the first encrypted text part of (multipart) MIME message,
939 decode, convert it and output to outfp. */
940 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
943 MimeInfo *mimeinfo, *partinfo, *encinfo;
945 cm_return_val_if_fail(msginfo != NULL, NULL);
947 mimeinfo = procmime_scan_message(msginfo);
953 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
954 debug_print("decrypting message part\n");
955 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
956 alertpanel_error(_("Couldn't decrypt: %s"),
957 privacy_get_error());
962 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
963 partinfo = procmime_mimeinfo_next(partinfo);
964 if (privacy_mimeinfo_is_signed(partinfo))
965 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
969 outfp = procmime_get_text_content(partinfo);
971 procmime_mimeinfo_free_all(&mimeinfo);
976 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
978 MimeInfo *mimeinfo, *partinfo;
979 gboolean result = FALSE;
981 cm_return_val_if_fail(msginfo != NULL, FALSE);
983 mimeinfo = procmime_scan_message(msginfo);
989 result = (find_encrypted_part(partinfo) != NULL);
990 procmime_mimeinfo_free_all(&mimeinfo);
995 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
997 static guint32 id = 0;
1002 cm_return_val_if_fail(mimeinfo != NULL, NULL);
1004 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
1006 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1007 base = g_strdup("mimetmp.html");
1009 const gchar *basetmp;
1011 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
1012 if (basetmp == NULL)
1013 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
1014 if (basetmp == NULL)
1015 basetmp = "mimetmp";
1016 basetmp = g_path_get_basename(basetmp);
1017 if (*basetmp == '\0')
1018 basetmp = g_strdup("mimetmp");
1019 base = conv_filename_from_utf8(basetmp);
1020 g_free((gchar*)basetmp);
1021 subst_for_shellsafe_filename(base);
1024 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1025 f_prefix, base, NULL);
1032 static GList *mime_type_list = NULL;
1034 gchar *procmime_get_mime_type(const gchar *filename)
1040 static GHashTable *mime_type_table = NULL;
1041 MimeType *mime_type;
1043 if (!mime_type_table) {
1044 mime_type_table = procmime_get_mime_type_table();
1045 if (!mime_type_table) return NULL;
1049 if (filename == NULL)
1052 base = g_path_get_basename(filename);
1053 if ((p = strrchr(base, '.')) != NULL)
1054 ext = g_utf8_strdown(p + 1, -1);
1056 ext = g_utf8_strdown(base, -1);
1060 mime_type = g_hash_table_lookup(mime_type_table, ext);
1064 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1066 debug_print("got type %s for %s\n", str, ext);
1073 gchar *str = get_content_type_from_registry_with_ext(ext);
1080 static guint procmime_str_hash(gconstpointer gptr)
1082 guint hash_result = 0;
1085 for (str = gptr; str && *str; str++) {
1086 if (isupper(*str)) hash_result += (*str + ' ');
1087 else hash_result += *str;
1093 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1095 const char *str1 = gptr1;
1096 const char *str2 = gptr2;
1098 return !g_utf8_collate(str1, str2);
1101 static GHashTable *procmime_get_mime_type_table(void)
1103 GHashTable *table = NULL;
1105 MimeType *mime_type;
1108 if (!mime_type_list) {
1109 mime_type_list = procmime_get_mime_type_list();
1110 if (!mime_type_list) return NULL;
1113 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1115 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1119 mime_type = (MimeType *)cur->data;
1121 if (!mime_type->extension) continue;
1123 exts = g_strsplit(mime_type->extension, " ", 16);
1124 for (i = 0; exts[i] != NULL; i++) {
1125 /* Don't overwrite previously inserted extension */
1126 if (!g_hash_table_lookup(table, exts[i])) {
1127 key = g_strdup(exts[i]);
1128 g_hash_table_insert(table, key, mime_type);
1137 GList *procmime_get_mime_type_list(void)
1141 gchar buf[BUFFSIZE];
1144 MimeType *mime_type;
1145 gboolean fp_is_glob_file = TRUE;
1148 return mime_type_list;
1150 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1151 if ((fp = claws_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1153 if ((fp = claws_fopen("/usr/share/mime/globs", "rb")) == NULL)
1156 fp_is_glob_file = FALSE;
1157 if ((fp = claws_fopen("/etc/mime.types", "rb")) == NULL) {
1158 if ((fp = claws_fopen(SYSCONFDIR "/mime.types", "rb"))
1160 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1167 while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
1168 p = strchr(buf, '#');
1174 if (fp_is_glob_file) {
1175 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1177 while (*p && !g_ascii_isspace(*p)) p++;
1184 delim = strchr(buf, '/');
1185 if (delim == NULL) continue;
1188 mime_type = g_new(MimeType, 1);
1189 mime_type->type = g_strdup(buf);
1190 mime_type->sub_type = g_strdup(delim + 1);
1192 if (fp_is_glob_file) {
1193 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1195 while (*p && g_ascii_isspace(*p)) p++;
1199 mime_type->extension = g_utf8_strdown(p, -1);
1201 mime_type->extension = NULL;
1203 list = g_list_append(list, mime_type);
1209 g_warning("Can't read mime.types");
1214 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1218 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1219 !g_ascii_strcasecmp(charset, "US-ASCII"))
1221 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1222 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1223 !g_ascii_strcasecmp(charset, "X-MAC-CYRILLIC") ||
1224 !g_ascii_strcasecmp(charset, "MAC-CYRILLIC") ||
1225 !g_ascii_strcasecmp(charset, "Windows-1251"))
1227 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1228 return ENC_QUOTED_PRINTABLE;
1229 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1230 return ENC_QUOTED_PRINTABLE;
1235 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1238 guchar buf[BUFFSIZE];
1240 size_t octet_chars = 0;
1241 size_t total_len = 0;
1242 gfloat octet_percentage;
1243 gboolean force_b64 = FALSE;
1245 if ((fp = claws_fopen(file, "rb")) == NULL) {
1246 FILE_OP_ERROR(file, "claws_fopen");
1250 while ((len = claws_fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1254 for (p = buf, i = 0; i < len; ++p, ++i) {
1268 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1270 octet_percentage = 0.0;
1272 debug_print("procmime_get_encoding_for_text_file(): "
1273 "8bit chars: %"G_GSIZE_FORMAT" / %"G_GSIZE_FORMAT" (%f%%)\n", octet_chars, total_len,
1274 100.0 * octet_percentage);
1276 if (octet_percentage > 0.20 || force_b64) {
1277 debug_print("using BASE64\n");
1279 } else if (octet_chars > 0) {
1280 debug_print("using quoted-printable\n");
1281 return ENC_QUOTED_PRINTABLE;
1283 debug_print("using 7bit\n");
1288 struct EncodingTable
1291 EncodingType enc_type;
1294 struct EncodingTable encoding_table[] = {
1297 {"binary", ENC_BINARY},
1298 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1299 {"base64", ENC_BASE64},
1300 {"x-uuencode", ENC_UNKNOWN},
1301 {NULL, ENC_UNKNOWN},
1304 const gchar *procmime_get_encoding_str(EncodingType encoding)
1306 struct EncodingTable *enc_table;
1308 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1309 if (enc_table->enc_type == encoding)
1310 return enc_table->str;
1315 /* --- NEW MIME STUFF --- */
1322 static struct TypeTable mime_type_table[] = {
1323 {"text", MIMETYPE_TEXT},
1324 {"image", MIMETYPE_IMAGE},
1325 {"audio", MIMETYPE_AUDIO},
1326 {"video", MIMETYPE_VIDEO},
1327 {"application", MIMETYPE_APPLICATION},
1328 {"message", MIMETYPE_MESSAGE},
1329 {"multipart", MIMETYPE_MULTIPART},
1333 const gchar *procmime_get_media_type_str(MimeMediaType type)
1335 struct TypeTable *type_table;
1337 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1338 if (type_table->type == type)
1339 return type_table->str;
1344 MimeMediaType procmime_get_media_type(const gchar *str)
1346 struct TypeTable *typetablearray;
1348 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1349 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1350 return typetablearray->type;
1352 return MIMETYPE_UNKNOWN;
1356 *\brief Safe wrapper for content type string.
1358 *\return const gchar * Pointer to content type string.
1360 gchar *procmime_get_content_type_str(MimeMediaType type,
1361 const char *subtype)
1363 const gchar *type_str = NULL;
1365 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1366 return g_strdup("unknown");
1367 return g_strdup_printf("%s/%s", type_str, subtype);
1370 static int procmime_parse_mimepart(MimeInfo *parent,
1371 gchar *content_type,
1372 gchar *content_encoding,
1373 gchar *content_description,
1375 gchar *content_disposition,
1376 gchar *content_location,
1377 const gchar *original_msgid,
1378 const gchar *disposition_notification_hdr,
1379 const gchar *filename,
1382 gboolean short_scan);
1384 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1386 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1387 {"Content-Transfer-Encoding:",
1389 {"Content-Description:",
1393 {"Content-Disposition:",
1395 {"Content-Location:",
1399 {"Original-Message-ID:",
1403 {NULL, NULL, FALSE}};
1404 guint content_start, i;
1409 procmime_decode_content(mimeinfo);
1411 fp = claws_fopen(mimeinfo->data.filename, "rb");
1413 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1416 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
1417 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1421 procheader_get_header_fields(fp, hentry);
1422 if (hentry[0].body != NULL) {
1423 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE);
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, FALSE);
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, FALSE);
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, FALSE);
1439 g_free(hentry[5].body);
1440 hentry[5].body = tmp;
1442 if (hentry[7].body != NULL) {
1443 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE);
1444 g_free(hentry[7].body);
1445 hentry[7].body = tmp;
1447 if (hentry[8].body != NULL) {
1448 tmp = conv_unmime_header(hentry[8].body, NULL, FALSE);
1449 g_free(hentry[8].body);
1450 hentry[8].body = tmp;
1453 content_start = ftell(fp);
1456 len = mimeinfo->length - (content_start - mimeinfo->offset);
1459 procmime_parse_mimepart(mimeinfo,
1460 hentry[0].body, hentry[1].body,
1461 hentry[2].body, hentry[3].body,
1462 hentry[4].body, hentry[5].body,
1463 hentry[7].body, hentry[8].body,
1464 mimeinfo->data.filename, content_start,
1467 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1468 g_free(hentry[i].body);
1469 hentry[i].body = NULL;
1473 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1474 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1475 gboolean short_scan)
1477 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1478 {"Disposition:", NULL, TRUE},
1479 {NULL, NULL, FALSE}};
1482 gchar *orig_msg_id = NULL;
1485 procmime_decode_content(mimeinfo);
1487 debug_print("parse disposition notification\n");
1488 fp = claws_fopen(mimeinfo->data.filename, "rb");
1490 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1493 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
1494 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1499 if (original_msgid && disposition_notification_hdr) {
1500 hentry[0].body = g_strdup(original_msgid);
1501 hentry[1].body = g_strdup(disposition_notification_hdr);
1503 procheader_get_header_fields(fp, hentry);
1508 if (!hentry[0].body || !hentry[1].body) {
1509 debug_print("MsgId %s, Disp %s\n",
1510 hentry[0].body ? hentry[0].body:"(nil)",
1511 hentry[1].body ? hentry[1].body:"(nil)");
1515 orig_msg_id = g_strdup(hentry[0].body);
1516 disp = g_strdup(hentry[1].body);
1518 extract_parenthesis(orig_msg_id, '<', '>');
1519 remove_space(orig_msg_id);
1521 if (strstr(disp, "displayed")) {
1522 /* find sent message, if possible */
1523 MsgInfo *info = NULL;
1525 debug_print("%s has been displayed.\n", orig_msg_id);
1526 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1527 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1529 debug_print("skipping folder with no outbox...\n");
1532 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1533 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1535 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1536 procmsg_msginfo_free(&info);
1540 g_free(orig_msg_id);
1543 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1544 g_free(hentry[i].body);
1545 hentry[i].body = NULL;
1549 #define GET_HEADERS() { \
1550 procheader_get_header_fields(fp, hentry); \
1551 if (hentry[0].body != NULL) { \
1552 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE); \
1553 g_free(hentry[0].body); \
1554 hentry[0].body = tmp; \
1556 if (hentry[2].body != NULL) { \
1557 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE); \
1558 g_free(hentry[2].body); \
1559 hentry[2].body = tmp; \
1561 if (hentry[4].body != NULL) { \
1562 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE); \
1563 g_free(hentry[4].body); \
1564 hentry[4].body = tmp; \
1566 if (hentry[5].body != NULL) { \
1567 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE); \
1568 g_free(hentry[5].body); \
1569 hentry[5].body = tmp; \
1571 if (hentry[6].body != NULL) { \
1572 tmp = conv_unmime_header(hentry[6].body, NULL, FALSE); \
1573 g_free(hentry[6].body); \
1574 hentry[6].body = tmp; \
1576 if (hentry[7].body != NULL) { \
1577 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE); \
1578 g_free(hentry[7].body); \
1579 hentry[7].body = tmp; \
1583 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1585 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1586 {"Content-Transfer-Encoding:",
1588 {"Content-Description:",
1592 {"Content-Disposition:",
1594 {"Content-Location:",
1596 {"Original-Message-ID:",
1600 {NULL, NULL, FALSE}};
1603 gint boundary_len = 0, lastoffset = -1, i;
1604 gchar buf[BUFFSIZE];
1607 gboolean start_found = FALSE;
1608 gboolean end_found = FALSE;
1610 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1613 boundary_len = strlen(boundary);
1615 procmime_decode_content(mimeinfo);
1617 fp = claws_fopen(mimeinfo->data.filename, "rb");
1619 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
1623 if (fseek(fp, mimeinfo->offset, SEEK_SET) < 0) {
1624 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
1629 while (claws_fgets(buf, sizeof(buf), fp) != NULL && result == 0) {
1630 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1633 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1636 if (lastoffset != -1) {
1637 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1640 result = procmime_parse_mimepart(mimeinfo,
1641 hentry[0].body, hentry[1].body,
1642 hentry[2].body, hentry[3].body,
1643 hentry[4].body, hentry[5].body,
1644 hentry[6].body, hentry[7].body,
1645 mimeinfo->data.filename, lastoffset,
1647 if (result == 1 && short_scan)
1652 if (buf[2 + boundary_len] == '-' &&
1653 buf[2 + boundary_len + 1] == '-') {
1657 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1658 g_free(hentry[i].body);
1659 hentry[i].body = NULL;
1662 lastoffset = ftell(fp);
1666 if (start_found && !end_found && lastoffset != -1) {
1667 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1670 result = procmime_parse_mimepart(mimeinfo,
1671 hentry[0].body, hentry[1].body,
1672 hentry[2].body, hentry[3].body,
1673 hentry[4].body, hentry[5].body,
1674 hentry[6].body, hentry[7].body,
1675 mimeinfo->data.filename, lastoffset,
1678 mimeinfo->broken = TRUE;
1681 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1682 g_free(hentry[i].body);
1683 hentry[i].body = NULL;
1688 static void parse_parameters(const gchar *parameters, GHashTable *table)
1690 gchar *params, *param, *next;
1691 GSList *convlist = NULL, *concatlist = NULL, *cur;
1693 params = g_strdup(parameters);
1696 for (; next != NULL; param = next) {
1697 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1699 gboolean convert = FALSE;
1701 next = strchr_with_skip_quote(param, '"', ';');
1710 value = strchr(attribute, '=');
1716 while (value[0] != '\0' && value[0] == ' ')
1719 down_attr = g_utf8_strdown(attribute, -1);
1720 orig_down_attr = down_attr;
1722 len = down_attr ? strlen(down_attr):0;
1723 if (len > 0 && down_attr[len - 1] == '*') {
1724 gchar *srcpos, *dstpos, *endpos;
1727 down_attr[len - 1] = '\0';
1731 endpos = value + strlen(value);
1732 while (srcpos < endpos) {
1738 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1748 if (value[0] == '"')
1749 extract_quote(value, '"');
1751 if (value[0] == '"')
1752 extract_quote(value, '"');
1753 else if ((tmp = strchr(value, ' ')) != NULL)
1758 while (down_attr[0] == ' ')
1760 while (down_attr[strlen(down_attr)-1] == ' ')
1761 down_attr[strlen(down_attr)-1] = '\0';
1764 while (value[0] != '\0' && value[0] == ' ')
1766 while (value[strlen(value)-1] == ' ')
1767 value[strlen(value)-1] = '\0';
1769 if (down_attr && strrchr(down_attr, '*') != NULL) {
1772 tmpattr = g_strdup(down_attr);
1773 tmp = strrchr(tmpattr, '*');
1776 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1777 (g_slist_find_custom(concatlist, down_attr, (GCompareFunc)g_strcmp0) == NULL))
1778 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1780 if (convert && (g_slist_find_custom(convlist, tmpattr, (GCompareFunc)g_strcmp0) == NULL))
1781 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1784 } else if (convert) {
1785 if (g_slist_find_custom(convlist, down_attr, (GCompareFunc)g_strcmp0) == NULL)
1786 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1789 if (g_hash_table_lookup(table, down_attr) == NULL)
1790 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1791 g_free(orig_down_attr);
1794 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1795 gchar *attribute, *attrwnum, *partvalue;
1799 attribute = (gchar *) cur->data;
1800 value = g_string_sized_new(64);
1802 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1803 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1804 g_string_append(value, partvalue);
1806 g_hash_table_remove(table, attrwnum);
1809 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1813 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1814 g_string_free(value, TRUE);
1816 slist_free_strings_full(concatlist);
1818 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1819 gchar *attribute, *key, *value;
1820 gchar *charset, *lang, *oldvalue, *newvalue;
1822 attribute = (gchar *) cur->data;
1823 if (!g_hash_table_lookup_extended(
1824 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1828 if (charset == NULL)
1830 lang = strchr(charset, '\'');
1835 oldvalue = strchr(lang, '\'');
1836 if (oldvalue == NULL)
1841 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1843 g_hash_table_remove(table, attribute);
1847 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1849 slist_free_strings_full(convlist);
1854 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1856 cm_return_if_fail(content_type != NULL);
1857 cm_return_if_fail(mimeinfo != NULL);
1859 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1860 * if it's not available we use the default Content-Type */
1861 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1862 mimeinfo->type = MIMETYPE_TEXT;
1863 mimeinfo->subtype = g_strdup("plain");
1864 if (g_hash_table_lookup(mimeinfo->typeparameters,
1865 "charset") == NULL) {
1866 g_hash_table_insert(mimeinfo->typeparameters,
1867 g_strdup("charset"),
1869 conv_get_locale_charset_str_no_utf8()));
1872 gchar *type, *subtype, *params;
1874 type = g_strdup(content_type);
1875 subtype = strchr(type, '/') + 1;
1876 *(subtype - 1) = '\0';
1877 if ((params = strchr(subtype, ';')) != NULL) {
1882 mimeinfo->type = procmime_get_media_type(type);
1883 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1885 /* Get mimeinfo->typeparameters */
1887 parse_parameters(params, mimeinfo->typeparameters);
1893 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1895 gchar *tmp, *params;
1897 cm_return_if_fail(content_disposition != NULL);
1898 cm_return_if_fail(mimeinfo != NULL);
1900 tmp = g_strdup(content_disposition);
1901 if ((params = strchr(tmp, ';')) != NULL) {
1907 if (!g_ascii_strcasecmp(tmp, "inline"))
1908 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1909 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1910 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1912 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1915 parse_parameters(params, mimeinfo->dispositionparameters);
1921 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1923 struct EncodingTable *enc_table;
1925 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1926 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1927 mimeinfo->encoding_type = enc_table->enc_type;
1931 mimeinfo->encoding_type = ENC_UNKNOWN;
1935 static GSList *registered_parsers = NULL;
1937 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1940 for (cur = registered_parsers; cur; cur = cur->next) {
1941 MimeParser *parser = (MimeParser *)cur->data;
1942 if (parser->type == type && !g_strcmp0(parser->sub_type, sub_type))
1948 void procmime_mimeparser_register(MimeParser *parser)
1950 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1951 registered_parsers = g_slist_append(registered_parsers, parser);
1955 void procmime_mimeparser_unregister(MimeParser *parser)
1957 registered_parsers = g_slist_remove(registered_parsers, parser);
1960 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1962 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1963 return parser->parse(parser, mimeinfo);
1966 static int procmime_parse_mimepart(MimeInfo *parent,
1967 gchar *content_type,
1968 gchar *content_encoding,
1969 gchar *content_description,
1971 gchar *content_disposition,
1972 gchar *content_location,
1973 const gchar *original_msgid,
1974 const gchar *disposition_notification_hdr,
1975 const gchar *filename,
1978 gboolean short_scan)
1981 MimeParser *parser = NULL;
1982 gboolean parsed = FALSE;
1985 /* Create MimeInfo */
1986 mimeinfo = procmime_mimeinfo_new();
1987 mimeinfo->content = MIMECONTENT_FILE;
1989 if (parent != NULL) {
1990 if (g_node_depth(parent->node) > 32) {
1991 /* 32 is an arbitrary value
1992 * this avoids DOSsing ourselves
1993 * with enormous messages
1995 procmime_mimeinfo_free_all(&mimeinfo);
1998 g_node_append(parent->node, mimeinfo->node);
2000 mimeinfo->data.filename = g_strdup(filename);
2001 mimeinfo->offset = offset;
2002 mimeinfo->length = length;
2004 if (content_type != NULL) {
2005 g_strchomp(content_type);
2006 procmime_parse_content_type(content_type, mimeinfo);
2008 mimeinfo->type = MIMETYPE_TEXT;
2009 mimeinfo->subtype = g_strdup("plain");
2010 if (g_hash_table_lookup(mimeinfo->typeparameters,
2011 "charset") == NULL) {
2012 g_hash_table_insert(mimeinfo->typeparameters,
2013 g_strdup("charset"),
2015 conv_get_locale_charset_str_no_utf8()));
2019 if (content_encoding != NULL) {
2020 g_strchomp(content_encoding);
2021 procmime_parse_content_encoding(content_encoding, mimeinfo);
2023 mimeinfo->encoding_type = ENC_UNKNOWN;
2026 if (content_description != NULL)
2027 mimeinfo->description = g_strdup(content_description);
2029 mimeinfo->description = NULL;
2031 if (content_id != NULL)
2032 mimeinfo->id = g_strdup(content_id);
2034 mimeinfo->id = NULL;
2036 if (content_location != NULL)
2037 mimeinfo->location = g_strdup(content_location);
2039 mimeinfo->location = NULL;
2041 if (content_disposition != NULL) {
2042 g_strchomp(content_disposition);
2043 procmime_parse_content_disposition(content_disposition, mimeinfo);
2045 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
2047 /* Call parser for mime type */
2048 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
2049 parsed = procmime_mimeparser_parse(parser, mimeinfo);
2052 switch (mimeinfo->type) {
2054 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2059 case MIMETYPE_MESSAGE:
2060 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2061 procmime_parse_message_rfc822(mimeinfo, short_scan);
2063 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2064 procmime_parse_disposition_notification(mimeinfo,
2065 original_msgid, disposition_notification_hdr, short_scan);
2069 case MIMETYPE_MULTIPART:
2070 procmime_parse_multipart(mimeinfo, short_scan);
2073 case MIMETYPE_APPLICATION:
2074 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2075 && original_msgid && *original_msgid
2076 && disposition_notification_hdr && *disposition_notification_hdr) {
2077 procmime_parse_disposition_notification(mimeinfo,
2078 original_msgid, disposition_notification_hdr, short_scan);
2089 static gchar *typenames[] = {
2100 static gboolean output_func(GNode *node, gpointer data)
2103 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2105 depth = g_node_depth(node);
2106 for (i = 0; i < depth; i++)
2108 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2113 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2115 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2118 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2123 if (g_stat(filename, &buf) < 0) {
2124 FILE_OP_ERROR(filename, "stat");
2128 mimeinfo = procmime_mimeinfo_new();
2129 mimeinfo->content = MIMECONTENT_FILE;
2130 mimeinfo->encoding_type = ENC_UNKNOWN;
2131 mimeinfo->type = MIMETYPE_MESSAGE;
2132 mimeinfo->subtype = g_strdup("rfc822");
2133 mimeinfo->data.filename = g_strdup(filename);
2134 mimeinfo->offset = offset;
2135 mimeinfo->length = buf.st_size - offset;
2137 procmime_parse_message_rfc822(mimeinfo, short_scan);
2138 if (debug_get_mode())
2139 output_mime_structure(mimeinfo, 0);
2144 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2148 cm_return_val_if_fail(filename != NULL, NULL);
2150 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2155 MimeInfo *procmime_scan_file(const gchar *filename)
2157 return procmime_scan_file_full(filename, FALSE);
2160 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2162 return procmime_scan_file_full(filename, TRUE);
2165 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2169 gchar buf[BUFFSIZE];
2172 cm_return_val_if_fail(filename != NULL, NULL);
2175 if ((fp = claws_fopen(filename, "rb")) == NULL)
2177 /* Skip queue header */
2178 while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
2180 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2181 strlen("X-Claws-End-Special-Headers:"))) ||
2182 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2183 strlen("X-Sylpheed-End-Special-Headers:"))))
2186 if (buf[0] == '\r' || buf[0] == '\n') break;
2187 /* from other mailers */
2188 if (!strncmp(buf, "Date: ", 6)
2189 || !strncmp(buf, "To: ", 4)
2190 || !strncmp(buf, "From: ", 6)
2191 || !strncmp(buf, "Subject: ", 9)) {
2199 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2204 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2206 return procmime_scan_queue_file_full(filename, FALSE);
2209 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2211 return procmime_scan_queue_file_full(filename, TRUE);
2216 ENC_AS_QUOTED_STRING,
2221 typedef struct _ParametersData {
2227 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2230 gchar *val = value, *valpos, *tmp;
2231 ParametersData *pdata = (ParametersData *)user_data;
2232 GString *buf = g_string_new("");
2235 EncodeAs encas = ENC_AS_TOKEN;
2237 for (valpos = val; *valpos != 0; valpos++) {
2238 if (!IS_ASCII(*valpos)) {
2239 encas = ENC_AS_ENCWORD;
2244 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2245 encas = ENC_AS_QUOTED_STRING;
2249 /* tspecials + SPACE */
2267 encas = ENC_AS_QUOTED_STRING;
2274 g_string_append_printf(buf, "%s=%s", param, val);
2277 case ENC_AS_QUOTED_STRING:
2278 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2281 #if 0 /* we don't use that for now */
2282 case ENC_AS_EXTENDED:
2283 if (!g_utf8_validate(val, -1, NULL))
2284 g_string_append_printf(buf, "%s*=%s''", param,
2285 conv_get_locale_charset_str());
2287 g_string_append_printf(buf, "%s*=%s''", param,
2289 for (valpos = val; *valpos != '\0'; valpos++) {
2290 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2291 g_string_append_printf(buf, "%c", *valpos);
2293 gchar hexstr[3] = "XX";
2294 get_hex_str(hexstr, *valpos);
2295 g_string_append_printf(buf, "%%%s", hexstr);
2300 case ENC_AS_EXTENDED:
2301 debug_print("Unhandled ENC_AS_EXTENDED.\n");
2304 case ENC_AS_ENCWORD:
2305 len = MAX(strlen(val)*6, 512);
2306 tmp = g_malloc(len+1);
2307 codeconv_set_strict(TRUE);
2308 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2309 prefs_common.outgoing_charset);
2310 codeconv_set_strict(FALSE);
2311 if (!tmp || !*tmp) {
2312 codeconv_set_strict(TRUE);
2313 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2314 conv_get_outgoing_charset_str());
2315 codeconv_set_strict(FALSE);
2317 if (!tmp || !*tmp) {
2318 codeconv_set_strict(TRUE);
2319 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2321 codeconv_set_strict(FALSE);
2323 if (!tmp || !*tmp) {
2324 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2327 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2333 if (buf->str && strlen(buf->str)) {
2334 tmp = strstr(buf->str, "\n");
2336 len = (tmp - buf->str);
2338 len = strlen(buf->str);
2339 if (pdata->len + len > 76) {
2340 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2341 pdata->error = TRUE;
2342 pdata->len = strlen(buf->str) + 1;
2344 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2345 pdata->error = TRUE;
2346 pdata->len += strlen(buf->str) + 2;
2349 g_string_free(buf, TRUE);
2352 #define TRY(func) { \
2358 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2360 struct TypeTable *type_table;
2361 ParametersData *pdata = g_new0(ParametersData, 1);
2362 debug_print("procmime_write_mime_header\n");
2365 pdata->error = FALSE;
2366 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2367 if (mimeinfo->type == type_table->type) {
2368 gchar *buf = g_strdup_printf(
2369 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2370 if (fprintf(fp, "%s", buf) < 0) {
2375 pdata->len = strlen(buf);
2379 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2380 if (pdata->error == TRUE) {
2386 TRY(fprintf(fp, "\n") >= 0);
2388 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2389 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2391 if (mimeinfo->description != NULL)
2392 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2394 if (mimeinfo->id != NULL)
2395 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2397 if (mimeinfo->location != NULL)
2398 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2400 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2401 ParametersData *pdata = g_new0(ParametersData, 1);
2403 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2404 buf = g_strdup("Content-Disposition: inline");
2405 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2406 buf = g_strdup("Content-Disposition: attachment");
2408 buf = g_strdup("Content-Disposition: unknown");
2410 if (fprintf(fp, "%s", buf) < 0) {
2415 pdata->len = strlen(buf);
2419 pdata->error = FALSE;
2420 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2421 if (pdata->error == TRUE) {
2426 TRY(fprintf(fp, "\n") >= 0);
2429 TRY(fprintf(fp, "\n") >= 0);
2434 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2439 gchar buf[BUFFSIZE];
2440 gboolean skip = FALSE;;
2443 debug_print("procmime_write_message_rfc822\n");
2446 switch (mimeinfo->content) {
2447 case MIMECONTENT_FILE:
2448 if ((infp = claws_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2449 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
2452 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
2453 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
2457 while (claws_fgets(buf, sizeof(buf), infp) == buf) {
2459 if (buf[0] == '\n' && buf[1] == '\0')
2461 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2463 if (g_ascii_strncasecmp(buf, "MIME-Version:", 13) == 0 ||
2464 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2465 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2466 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2467 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2468 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2469 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2474 if (claws_fwrite(buf, sizeof(gchar), len, fp) < len) {
2475 g_warning("failed to dump %"G_GSIZE_FORMAT" bytes from file", len);
2484 case MIMECONTENT_MEM:
2485 len = strlen(mimeinfo->data.mem);
2486 if (claws_fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2487 g_warning("failed to dump %"G_GSIZE_FORMAT" bytes from mem", len);
2496 childnode = mimeinfo->node->children;
2497 if (childnode == NULL)
2500 child = (MimeInfo *) childnode->data;
2501 if (fprintf(fp, "MIME-Version: 1.0\n") < 0) {
2502 g_warning("failed to write mime version");
2505 if (procmime_write_mime_header(child, fp) < 0)
2507 return procmime_write_mimeinfo(child, fp);
2510 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2514 gchar *boundary, *str, *str2;
2515 gchar buf[BUFFSIZE];
2516 gboolean firstboundary;
2519 debug_print("procmime_write_multipart\n");
2521 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2523 switch (mimeinfo->content) {
2524 case MIMECONTENT_FILE:
2525 if ((infp = claws_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2526 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
2529 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
2530 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
2534 while (claws_fgets(buf, sizeof(buf), infp) == buf) {
2535 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2538 if (claws_fwrite(buf, sizeof(gchar), len, fp) < len) {
2539 g_warning("failed to write %"G_GSIZE_FORMAT, len);
2547 case MIMECONTENT_MEM:
2548 str = g_strdup(mimeinfo->data.mem);
2549 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2550 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2553 if (claws_fwrite(str, sizeof(gchar), len, fp) < len) {
2554 g_warning("failed to write %"G_GSIZE_FORMAT" from mem", len);
2565 childnode = mimeinfo->node->children;
2566 firstboundary = TRUE;
2567 while (childnode != NULL) {
2568 MimeInfo *child = childnode->data;
2571 firstboundary = FALSE;
2573 TRY(fprintf(fp, "\n") >= 0);
2575 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2577 if (procmime_write_mime_header(child, fp) < 0)
2579 if (procmime_write_mimeinfo(child, fp) < 0)
2582 childnode = g_node_next_sibling(childnode);
2584 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2589 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2593 debug_print("procmime_write_mimeinfo\n");
2595 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2596 switch (mimeinfo->content) {
2597 case MIMECONTENT_FILE:
2598 if ((infp = claws_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2599 FILE_OP_ERROR(mimeinfo->data.filename, "claws_fopen");
2602 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2606 case MIMECONTENT_MEM:
2607 len = strlen(mimeinfo->data.mem);
2608 if (claws_fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2616 /* Call writer for mime type */
2617 switch (mimeinfo->type) {
2618 case MIMETYPE_MESSAGE:
2619 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2620 return procmime_write_message_rfc822(mimeinfo, fp);
2624 case MIMETYPE_MULTIPART:
2625 return procmime_write_multipart(mimeinfo, fp);
2637 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2641 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2642 base = g_strdup("mimetmp.html");
2644 const gchar *basetmp;
2647 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2648 if (basetmp == NULL)
2649 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2650 if (basetmp == NULL)
2651 basetmp = "mimetmp";
2652 basename = g_path_get_basename(basetmp);
2653 if (*basename == '\0') {
2655 basename = g_strdup("mimetmp");
2657 base = conv_filename_from_utf8(basename);
2659 subst_for_shellsafe_filename(base);