2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 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/>.
22 #include "claws-features.h"
31 #include <glib/gi18n.h>
37 #include <sys/types.h>
43 #include "procheader.h"
45 #include "quoted-printable.h"
52 #include "prefs_common.h"
53 #include "prefs_gtk.h"
54 #include "alertpanel.h"
58 static GHashTable *procmime_get_mime_type_table (void);
59 static MimeInfo *procmime_scan_file_short(const gchar *filename);
60 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
61 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
63 MimeInfo *procmime_mimeinfo_new(void)
67 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)
154 node = mimeinfo->node;
155 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
157 g_node_destroy(node);
160 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
162 cm_return_val_if_fail(mimeinfo != NULL, NULL);
163 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
165 if (mimeinfo->node->parent == NULL)
167 return (MimeInfo *) mimeinfo->node->parent->data;
170 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
172 cm_return_val_if_fail(mimeinfo != NULL, NULL);
173 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
175 if (mimeinfo->node->children)
176 return (MimeInfo *) mimeinfo->node->children->data;
177 if (mimeinfo->node->next)
178 return (MimeInfo *) mimeinfo->node->next->data;
180 if (mimeinfo->node->parent == NULL)
183 while (mimeinfo->node->parent != NULL) {
184 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
185 if (mimeinfo->node->next)
186 return (MimeInfo *) mimeinfo->node->next->data;
192 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
197 filename = procmsg_get_message_file_path(msginfo);
198 if (!filename || !is_file_exist(filename)) {
203 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
204 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
205 mimeinfo = procmime_scan_file(filename);
207 mimeinfo = procmime_scan_queue_file(filename);
213 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
218 filename = procmsg_get_message_file_path(msginfo);
219 if (!filename || !is_file_exist(filename)) {
224 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
225 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
226 mimeinfo = procmime_scan_file_short(filename);
228 mimeinfo = procmime_scan_queue_file_short(filename);
236 H_CONTENT_TRANSFER_ENCODING = 0,
238 H_CONTENT_DISPOSITION = 2,
239 H_CONTENT_DESCRIPTION = 3,
243 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
247 cm_return_val_if_fail(mimeinfo != NULL, NULL);
248 cm_return_val_if_fail(name != NULL, NULL);
250 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
252 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
257 #ifdef HAVE_FGETS_UNLOCKED
258 #define SC_FGETS fgets_unlocked
259 #define SC_FPUTS fputs_unlocked
260 #define SC_FPUTC fputc_unlocked
261 #define SC_FREAD fread_unlocked
262 #define SC_FWRITE fwrite_unlocked
263 #define SC_FEOF feof_unlocked
264 #define SC_FERROR ferror_unlocked
266 static FILE *procmime_fopen(const gchar *file, const gchar *mode)
268 FILE *fp = g_fopen(file, mode);
274 static int procmime_fclose(FILE *fp)
280 #define SC_FGETS fgets
281 #define SC_FPUTS fputs
282 #define SC_FPUTC fputc
283 #define SC_FREAD fread
284 #define SC_FWRITE fwrite
286 #define SC_FERROR ferror
287 #define procmime_fopen g_fopen
288 #define procmime_fclose fclose
291 #define FLUSH_LASTLINE() { \
292 if (*lastline != '\0') { \
294 strretchomp(lastline); \
295 llen = strlen(lastline); \
296 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
297 /* this is flowed */ \
299 lastline[llen-1] = '\0'; \
300 if (SC_FPUTS(lastline, outfp) == EOF) \
303 if (SC_FPUTS(lastline, outfp) == EOF) \
305 if (SC_FPUTS("\n", outfp) == EOF) \
309 strcpy(lastline, buf); \
312 gboolean procmime_decode_content(MimeInfo *mimeinfo)
319 gboolean tmp_file = FALSE;
320 gboolean flowed = FALSE;
321 gboolean delsp = FALSE;
322 gboolean err = FALSE;
324 EncodingType encoding = forced_encoding
326 : mimeinfo->encoding_type;
327 gchar lastline[BUFFSIZE];
328 memset(lastline, 0, BUFFSIZE);
330 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
332 if (prefs_common.respect_flowed_format &&
333 mimeinfo->type == MIMETYPE_TEXT &&
334 !strcasecmp(mimeinfo->subtype, "plain")) {
335 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
336 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
339 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
340 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
345 encoding == ENC_UNKNOWN ||
346 encoding == ENC_BINARY ||
347 encoding == ENC_7BIT ||
352 infp = procmime_fopen(mimeinfo->data.filename, "rb");
357 fseek(infp, mimeinfo->offset, SEEK_SET);
359 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
362 procmime_fclose(infp);
366 readend = mimeinfo->offset + mimeinfo->length;
368 if (encoding == ENC_QUOTED_PRINTABLE) {
369 while ((ftell(infp) < readend) && (SC_FGETS(buf, sizeof(buf), infp) != NULL)) {
371 len = qp_decode_line(buf);
374 if (SC_FWRITE(buf, 1, len, outfp) < len)
382 } else if (encoding == ENC_BASE64) {
383 gchar outbuf[BUFFSIZE];
384 gint len, inlen, inread;
385 Base64Decoder *decoder;
386 gboolean got_error = FALSE;
387 gboolean uncanonicalize = FALSE;
389 gboolean null_bytes = FALSE;
390 gboolean starting = TRUE;
392 if (mimeinfo->type == MIMETYPE_TEXT ||
393 mimeinfo->type == MIMETYPE_MESSAGE) {
394 uncanonicalize = TRUE;
395 tmpfp = my_tmpfile();
399 procmime_fclose(outfp);
400 procmime_fclose(infp);
403 #ifdef HAVE_FGETS_UNLOCKED
408 decoder = base64_decoder_new();
409 while ((inlen = MIN(readend - ftell(infp), sizeof(buf))) > 0 && !err) {
410 inread = SC_FREAD(buf, 1, inlen, infp);
411 len = base64_decoder_decode(decoder, buf, outbuf, inread);
412 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
413 uncanonicalize = FALSE;
417 if (((inread != inlen) || len < 0) && !got_error) {
418 g_warning("Bad BASE64 content.\n");
419 if (SC_FWRITE(_("[Error decoding BASE64]\n"),
421 strlen(_("[Error decoding BASE64]\n")),
422 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
423 g_warning("error decoding BASE64");
426 } else if (len >= 0) {
427 /* print out the error message only once
430 /* we won't uncanonicalize, output to outfp directly */
431 if (SC_FWRITE(outbuf, sizeof(gchar), len, outfp) < len)
434 if (SC_FWRITE(outbuf, sizeof(gchar), len, tmpfp) < len)
440 base64_decoder_free(decoder);
442 if (uncanonicalize) {
444 while (SC_FGETS(buf, sizeof(buf), tmpfp) != NULL) {
446 if (SC_FPUTS(buf, outfp) == EOF)
449 procmime_fclose(tmpfp);
451 } else if (encoding == ENC_X_UUENCODE) {
452 gchar outbuf[BUFFSIZE];
454 gboolean flag = FALSE;
456 while ((ftell(infp) < readend) && (SC_FGETS(buf, sizeof(buf), infp) != NULL)) {
457 if (!flag && strncmp(buf,"begin ", 6)) continue;
460 len = fromuutobits(outbuf, buf);
463 g_warning("Bad UUENCODE content(%d)\n", len);
466 if (SC_FWRITE(outbuf, sizeof(gchar), len, outfp) < len)
472 while ((ftell(infp) < readend) && (SC_FGETS(buf, sizeof(buf), infp) != NULL)) {
474 if (SC_FPUTS(buf, outfp) == EOF)
483 g_warning("write error");
486 procmime_fclose(outfp);
487 procmime_fclose(infp);
493 g_stat(tmpfilename, &statbuf);
494 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
495 claws_unlink(mimeinfo->data.filename);
496 g_free(mimeinfo->data.filename);
497 mimeinfo->data.filename = tmpfilename;
498 mimeinfo->tmp = TRUE;
499 mimeinfo->offset = 0;
500 mimeinfo->length = statbuf.st_size;
501 mimeinfo->encoding_type = ENC_BINARY;
506 #define B64_LINE_SIZE 57
507 #define B64_BUFFSIZE 77
509 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
511 FILE *infp = NULL, *outfp;
515 gboolean err = FALSE;
517 if (mimeinfo->content == MIMECONTENT_EMPTY)
520 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
521 mimeinfo->encoding_type != ENC_BINARY &&
522 mimeinfo->encoding_type != ENC_7BIT &&
523 mimeinfo->encoding_type != ENC_8BIT)
524 if(!procmime_decode_content(mimeinfo))
527 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
532 #ifdef HAVE_FGETS_UNLOCKED
536 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
537 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
538 g_warning("Can't open file %s\n", mimeinfo->data.filename);
539 procmime_fclose(outfp);
542 } else if (mimeinfo->content == MIMECONTENT_MEM) {
543 infp = str_open_as_stream(mimeinfo->data.mem);
545 procmime_fclose(outfp);
548 #ifdef HAVE_FGETS_UNLOCKED
554 if (encoding == ENC_BASE64) {
555 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
557 gchar *tmp_file = NULL;
559 if (mimeinfo->type == MIMETYPE_TEXT ||
560 mimeinfo->type == MIMETYPE_MESSAGE) {
561 if (mimeinfo->content == MIMECONTENT_FILE) {
562 tmp_file = get_tmp_file();
563 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
565 procmime_fclose(infp);
566 procmime_fclose(outfp);
569 if ((tmp_fp = procmime_fopen(tmp_file, "rb")) == NULL) {
570 FILE_OP_ERROR(tmp_file, "fopen");
571 claws_unlink(tmp_file);
573 procmime_fclose(infp);
574 procmime_fclose(outfp);
578 gchar *out = canonicalize_str(mimeinfo->data.mem);
579 procmime_fclose(infp);
580 infp = str_open_as_stream(out);
584 procmime_fclose(outfp);
587 #ifdef HAVE_FGETS_UNLOCKED
593 while ((len = SC_FREAD(inbuf, sizeof(gchar),
594 B64_LINE_SIZE, tmp_fp))
596 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
597 if (SC_FPUTS(outbuf, outfp) == EOF)
599 if (SC_FPUTC('\n', outfp) == EOF)
602 if (len > 0 && SC_FEOF(tmp_fp)) {
603 base64_encode(outbuf, inbuf, len);
604 if (SC_FPUTS(outbuf, outfp) == EOF)
606 if (SC_FPUTC('\n', outfp) == EOF)
611 procmime_fclose(tmp_fp);
612 claws_unlink(tmp_file);
615 } else if (encoding == ENC_QUOTED_PRINTABLE) {
616 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
618 while (SC_FGETS(inbuf, sizeof(inbuf), infp) != NULL) {
619 qp_encode_line(outbuf, inbuf);
621 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
622 gchar *tmpbuf = outbuf;
624 tmpbuf += sizeof("From ")-1;
626 if (SC_FPUTS("=46rom ", outfp) == EOF)
628 if (SC_FPUTS(tmpbuf, outfp) == EOF)
631 if (SC_FPUTS(outbuf, outfp) == EOF)
638 while (SC_FGETS(buf, sizeof(buf), infp) != NULL) {
640 if (SC_FPUTS(buf, outfp) == EOF)
645 procmime_fclose(outfp);
646 procmime_fclose(infp);
651 if (mimeinfo->content == MIMECONTENT_FILE) {
652 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
653 claws_unlink(mimeinfo->data.filename);
654 g_free(mimeinfo->data.filename);
655 } else if (mimeinfo->content == MIMECONTENT_MEM) {
656 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
657 g_free(mimeinfo->data.mem);
660 g_stat(tmpfilename, &statbuf);
661 mimeinfo->content = MIMECONTENT_FILE;
662 mimeinfo->data.filename = tmpfilename;
663 mimeinfo->tmp = TRUE;
664 mimeinfo->offset = 0;
665 mimeinfo->length = statbuf.st_size;
666 mimeinfo->encoding_type = encoding;
671 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
675 gint restlength, readlength;
676 gint saved_errno = 0;
678 cm_return_val_if_fail(outfile != NULL, -1);
679 cm_return_val_if_fail(mimeinfo != NULL, -1);
681 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
684 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
686 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
687 return -(saved_errno);
689 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
691 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
692 procmime_fclose(infp);
693 return -(saved_errno);
695 if ((outfp = procmime_fopen(outfile, "wb")) == NULL) {
697 FILE_OP_ERROR(outfile, "fopen");
698 procmime_fclose(infp);
699 return -(saved_errno);
702 restlength = mimeinfo->length;
704 while ((restlength > 0) && ((readlength = SC_FREAD(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
705 if (SC_FWRITE(buf, 1, readlength, outfp) != readlength) {
707 procmime_fclose(infp);
708 procmime_fclose(outfp);
709 return -(saved_errno);
711 restlength -= readlength;
714 procmime_fclose(infp);
715 if (procmime_fclose(outfp) == EOF) {
717 FILE_OP_ERROR(outfile, "fclose");
718 claws_unlink(outfile);
719 return -(saved_errno);
725 gboolean procmime_scan_text_content(MimeInfo *mimeinfo,
726 gboolean (*scan_callback)(const gchar *str, gpointer cb_data),
730 const gchar *src_codeset;
731 gboolean conv_fail = FALSE;
735 gboolean scan_ret = FALSE;
737 cm_return_val_if_fail(mimeinfo != NULL, TRUE);
738 cm_return_val_if_fail(scan_callback != NULL, TRUE);
740 if (!procmime_decode_content(mimeinfo))
743 tmpfile = procmime_get_tmp_file_name(mimeinfo);
747 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
752 tmpfp = procmime_fopen(tmpfile, "rb");
758 src_codeset = forced_charset
760 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
762 /* use supersets transparently when possible */
763 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
764 src_codeset = CS_WINDOWS_1252;
765 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
766 src_codeset = CS_GB18030;
767 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
768 src_codeset = CS_GB18030;
769 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
770 src_codeset = CS_GB18030;
772 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
773 SC_HTMLParser *parser;
776 conv = conv_code_converter_new(src_codeset);
777 parser = sc_html_parser_new(tmpfp, conv);
778 while ((str = sc_html_parse(parser)) != NULL) {
779 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
782 sc_html_parser_destroy(parser);
783 conv_code_converter_destroy(conv);
784 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
788 conv = conv_code_converter_new(src_codeset);
789 parser = ertf_parser_new(tmpfp, conv);
790 while ((str = ertf_parse(parser)) != NULL) {
791 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
794 ertf_parser_destroy(parser);
795 conv_code_converter_destroy(conv);
796 } else if (mimeinfo->type == MIMETYPE_TEXT) {
797 while (SC_FGETS(buf, sizeof(buf), tmpfp) != NULL) {
798 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
800 if ((scan_ret = scan_callback(str, cb_data)) == TRUE) {
807 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
814 g_warning("procmime_get_text_content(): Code conversion failed.\n");
816 procmime_fclose(tmpfp);
817 claws_unlink(tmpfile);
823 static gboolean scan_fputs_cb(const gchar *str, gpointer fp)
825 if (SC_FPUTS(str, (FILE *)fp) == EOF)
831 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
836 if ((outfp = my_tmpfile()) == NULL) {
840 #ifdef HAVE_FGETS_UNLOCKED
844 err = procmime_scan_text_content(mimeinfo, scan_fputs_cb, outfp);
848 procmime_fclose(outfp);
851 #ifdef HAVE_FGETS_UNLOCKED
858 FILE *procmime_get_binary_content(MimeInfo *mimeinfo)
863 cm_return_val_if_fail(mimeinfo != NULL, NULL);
865 if (!procmime_decode_content(mimeinfo))
868 tmpfile = procmime_get_tmp_file_name(mimeinfo);
872 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
877 outfp = procmime_fopen(tmpfile, "rb");
887 #ifdef HAVE_FGETS_UNLOCKED
893 /* search the first text part of (multipart) MIME message,
894 decode, convert it and output to outfp. */
895 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
898 MimeInfo *mimeinfo, *partinfo;
899 gboolean empty_ok = FALSE, short_scan = TRUE;
901 cm_return_val_if_fail(msginfo != NULL, NULL);
903 /* first we try to short-scan (for speed), refusing empty parts */
906 mimeinfo = procmime_scan_message_short(msginfo);
908 mimeinfo = procmime_scan_message(msginfo);
909 if (!mimeinfo) return NULL;
912 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
913 (partinfo->length == 0 && !empty_ok))) {
914 partinfo = procmime_mimeinfo_next(partinfo);
917 outfp = procmime_get_text_content(partinfo);
918 else if (!empty_ok && short_scan) {
919 /* if short scan didn't find a non-empty part, rescan
920 * fully for non-empty parts
923 procmime_mimeinfo_free_all(mimeinfo);
925 } else if (!empty_ok && !short_scan) {
926 /* if full scan didn't find a non-empty part, rescan
927 * accepting empty parts
930 procmime_mimeinfo_free_all(mimeinfo);
933 procmime_mimeinfo_free_all(mimeinfo);
935 /* outfp already unlocked at this time */
940 static gboolean find_encrypted_func(GNode *node, gpointer data)
942 MimeInfo *mimeinfo = (MimeInfo *) node->data;
943 MimeInfo **encinfo = (MimeInfo **) data;
945 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
953 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
955 MimeInfo *encinfo = NULL;
957 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
958 find_encrypted_func, &encinfo);
963 /* search the first encrypted text part of (multipart) MIME message,
964 decode, convert it and output to outfp. */
965 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
968 MimeInfo *mimeinfo, *partinfo, *encinfo;
970 cm_return_val_if_fail(msginfo != NULL, NULL);
972 mimeinfo = procmime_scan_message(msginfo);
978 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
979 debug_print("decrypting message part\n");
980 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
981 alertpanel_error(_("Couldn't decrypt: %s"),
982 privacy_get_error());
987 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
988 partinfo = procmime_mimeinfo_next(partinfo);
989 if (privacy_mimeinfo_is_signed(partinfo))
990 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
994 outfp = procmime_get_text_content(partinfo);
996 procmime_mimeinfo_free_all(mimeinfo);
998 /* outfp already unlocked at this time */
1002 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
1004 MimeInfo *mimeinfo, *partinfo;
1005 gboolean result = FALSE;
1007 cm_return_val_if_fail(msginfo != NULL, FALSE);
1009 mimeinfo = procmime_scan_message(msginfo);
1014 partinfo = mimeinfo;
1015 result = (find_encrypted_part(partinfo) != NULL);
1016 procmime_mimeinfo_free_all(mimeinfo);
1021 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
1023 static guint32 id = 0;
1028 cm_return_val_if_fail(mimeinfo != NULL, NULL);
1030 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
1032 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1033 base = g_strdup("mimetmp.html");
1035 const gchar *basetmp;
1037 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
1038 if (basetmp == NULL)
1039 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
1040 if (basetmp == NULL)
1041 basetmp = "mimetmp";
1042 basetmp = g_path_get_basename(basetmp);
1043 if (*basetmp == '\0')
1044 basetmp = g_strdup("mimetmp");
1045 base = conv_filename_from_utf8(basetmp);
1046 g_free((gchar*)basetmp);
1047 subst_for_shellsafe_filename(base);
1050 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1051 f_prefix, base, NULL);
1058 static GList *mime_type_list = NULL;
1060 gchar *procmime_get_mime_type(const gchar *filename)
1066 static GHashTable *mime_type_table = NULL;
1067 MimeType *mime_type;
1069 if (!mime_type_table) {
1070 mime_type_table = procmime_get_mime_type_table();
1071 if (!mime_type_table) return NULL;
1075 if (filename == NULL)
1078 base = g_path_get_basename(filename);
1079 if ((p = strrchr(base, '.')) != NULL)
1080 ext = g_utf8_strdown(p + 1, -1);
1084 mime_type = g_hash_table_lookup(mime_type_table, ext);
1088 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1090 debug_print("got type %s for %s\n", str, ext);
1096 gchar *str = get_content_type_from_registry_with_ext(ext);
1103 static guint procmime_str_hash(gconstpointer gptr)
1105 guint hash_result = 0;
1108 for (str = gptr; str && *str; str++) {
1109 if (isupper(*str)) hash_result += (*str + ' ');
1110 else hash_result += *str;
1116 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1118 const char *str1 = gptr1;
1119 const char *str2 = gptr2;
1121 return !g_utf8_collate(str1, str2);
1124 static GHashTable *procmime_get_mime_type_table(void)
1126 GHashTable *table = NULL;
1128 MimeType *mime_type;
1131 if (!mime_type_list) {
1132 mime_type_list = procmime_get_mime_type_list();
1133 if (!mime_type_list) return NULL;
1136 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1138 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1142 mime_type = (MimeType *)cur->data;
1144 if (!mime_type->extension) continue;
1146 exts = g_strsplit(mime_type->extension, " ", 16);
1147 for (i = 0; exts[i] != NULL; i++) {
1148 /* use previously dup'd key on overwriting */
1149 if (g_hash_table_lookup(table, exts[i]))
1152 key = g_strdup(exts[i]);
1153 g_hash_table_insert(table, key, mime_type);
1161 GList *procmime_get_mime_type_list(void)
1165 gchar buf[BUFFSIZE];
1168 MimeType *mime_type;
1169 gboolean fp_is_glob_file = TRUE;
1172 return mime_type_list;
1174 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1175 if ((fp = procmime_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1177 if ((fp = procmime_fopen("/usr/share/mime/globs", "rb")) == NULL)
1180 fp_is_glob_file = FALSE;
1181 if ((fp = procmime_fopen("/etc/mime.types", "rb")) == NULL) {
1182 if ((fp = procmime_fopen(SYSCONFDIR "/mime.types", "rb"))
1184 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1191 while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
1192 p = strchr(buf, '#');
1198 if (fp_is_glob_file) {
1199 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1201 while (*p && !g_ascii_isspace(*p)) p++;
1208 delim = strchr(buf, '/');
1209 if (delim == NULL) continue;
1212 mime_type = g_new(MimeType, 1);
1213 mime_type->type = g_strdup(buf);
1214 mime_type->sub_type = g_strdup(delim + 1);
1216 if (fp_is_glob_file) {
1217 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1219 while (*p && g_ascii_isspace(*p)) p++;
1223 mime_type->extension = g_utf8_strdown(p, -1);
1225 mime_type->extension = NULL;
1227 list = g_list_append(list, mime_type);
1230 procmime_fclose(fp);
1233 g_warning("Can't read mime.types\n");
1238 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1242 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1243 !g_ascii_strcasecmp(charset, "US-ASCII"))
1245 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1246 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1247 !g_ascii_strcasecmp(charset, "Windows-1251"))
1249 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1250 return ENC_QUOTED_PRINTABLE;
1251 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1252 return ENC_QUOTED_PRINTABLE;
1257 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1260 guchar buf[BUFFSIZE];
1262 size_t octet_chars = 0;
1263 size_t total_len = 0;
1264 gfloat octet_percentage;
1265 gboolean force_b64 = FALSE;
1267 if ((fp = procmime_fopen(file, "rb")) == NULL) {
1268 FILE_OP_ERROR(file, "fopen");
1272 while ((len = SC_FREAD(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1276 for (p = buf, i = 0; i < len; ++p, ++i) {
1287 procmime_fclose(fp);
1290 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1292 octet_percentage = 0.0;
1294 debug_print("procmime_get_encoding_for_text_file(): "
1295 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1296 100.0 * octet_percentage);
1298 if (octet_percentage > 0.20 || force_b64) {
1299 debug_print("using BASE64\n");
1301 } else if (octet_chars > 0) {
1302 debug_print("using quoted-printable\n");
1303 return ENC_QUOTED_PRINTABLE;
1305 debug_print("using 7bit\n");
1310 struct EncodingTable
1313 EncodingType enc_type;
1316 struct EncodingTable encoding_table[] = {
1319 {"binary", ENC_BINARY},
1320 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1321 {"base64", ENC_BASE64},
1322 {"x-uuencode", ENC_UNKNOWN},
1323 {NULL, ENC_UNKNOWN},
1326 const gchar *procmime_get_encoding_str(EncodingType encoding)
1328 struct EncodingTable *enc_table;
1330 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1331 if (enc_table->enc_type == encoding)
1332 return enc_table->str;
1337 /* --- NEW MIME STUFF --- */
1344 static struct TypeTable mime_type_table[] = {
1345 {"text", MIMETYPE_TEXT},
1346 {"image", MIMETYPE_IMAGE},
1347 {"audio", MIMETYPE_AUDIO},
1348 {"video", MIMETYPE_VIDEO},
1349 {"application", MIMETYPE_APPLICATION},
1350 {"message", MIMETYPE_MESSAGE},
1351 {"multipart", MIMETYPE_MULTIPART},
1355 const gchar *procmime_get_media_type_str(MimeMediaType type)
1357 struct TypeTable *type_table;
1359 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1360 if (type_table->type == type)
1361 return type_table->str;
1366 MimeMediaType procmime_get_media_type(const gchar *str)
1368 struct TypeTable *typetablearray;
1370 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1371 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1372 return typetablearray->type;
1374 return MIMETYPE_UNKNOWN;
1378 *\brief Safe wrapper for content type string.
1380 *\return const gchar * Pointer to content type string.
1382 gchar *procmime_get_content_type_str(MimeMediaType type,
1383 const char *subtype)
1385 const gchar *type_str = NULL;
1387 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1388 return g_strdup("unknown");
1389 return g_strdup_printf("%s/%s", type_str, subtype);
1392 static int procmime_parse_mimepart(MimeInfo *parent,
1393 gchar *content_type,
1394 gchar *content_encoding,
1395 gchar *content_description,
1397 gchar *content_disposition,
1398 gchar *content_location,
1399 const gchar *original_msgid,
1400 const gchar *disposition_notification_hdr,
1401 const gchar *filename,
1404 gboolean short_scan);
1406 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1408 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1409 {"Content-Transfer-Encoding:",
1411 {"Content-Description:",
1415 {"Content-Disposition:",
1417 {"Content-Location:",
1421 {"Original-Message-ID:",
1425 {NULL, NULL, FALSE}};
1426 guint content_start, i;
1431 procmime_decode_content(mimeinfo);
1433 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1435 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1438 fseek(fp, mimeinfo->offset, SEEK_SET);
1439 procheader_get_header_fields(fp, hentry);
1440 if (hentry[0].body != NULL) {
1441 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE);
1442 g_free(hentry[0].body);
1443 hentry[0].body = tmp;
1445 if (hentry[2].body != NULL) {
1446 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE);
1447 g_free(hentry[2].body);
1448 hentry[2].body = tmp;
1450 if (hentry[4].body != NULL) {
1451 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE);
1452 g_free(hentry[4].body);
1453 hentry[4].body = tmp;
1455 if (hentry[5].body != NULL) {
1456 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE);
1457 g_free(hentry[5].body);
1458 hentry[5].body = tmp;
1460 if (hentry[7].body != NULL) {
1461 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE);
1462 g_free(hentry[7].body);
1463 hentry[7].body = tmp;
1465 if (hentry[8].body != NULL) {
1466 tmp = conv_unmime_header(hentry[8].body, NULL, FALSE);
1467 g_free(hentry[8].body);
1468 hentry[8].body = tmp;
1471 content_start = ftell(fp);
1472 procmime_fclose(fp);
1474 len = mimeinfo->length - (content_start - mimeinfo->offset);
1477 procmime_parse_mimepart(mimeinfo,
1478 hentry[0].body, hentry[1].body,
1479 hentry[2].body, hentry[3].body,
1480 hentry[4].body, hentry[5].body,
1481 hentry[7].body, hentry[8].body,
1482 mimeinfo->data.filename, content_start,
1485 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1486 g_free(hentry[i].body);
1487 hentry[i].body = NULL;
1491 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1492 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1493 gboolean short_scan)
1495 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1496 {"Disposition:", NULL, TRUE},
1497 {NULL, NULL, FALSE}};
1500 gchar *orig_msg_id = NULL;
1503 procmime_decode_content(mimeinfo);
1505 debug_print("parse disposition notification\n");
1506 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1508 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1511 fseek(fp, mimeinfo->offset, SEEK_SET);
1513 if (original_msgid && disposition_notification_hdr) {
1514 hentry[0].body = g_strdup(original_msgid);
1515 hentry[1].body = g_strdup(disposition_notification_hdr);
1517 procheader_get_header_fields(fp, hentry);
1520 procmime_fclose(fp);
1522 if (!hentry[0].body || !hentry[1].body) {
1523 debug_print("MsgId %s, Disp %s\n",
1524 hentry[0].body ? hentry[0].body:"(nil)",
1525 hentry[1].body ? hentry[1].body:"(nil)");
1529 orig_msg_id = g_strdup(hentry[0].body);
1530 disp = g_strdup(hentry[1].body);
1532 extract_parenthesis(orig_msg_id, '<', '>');
1533 remove_space(orig_msg_id);
1535 if (strstr(disp, "displayed")) {
1536 /* find sent message, if possible */
1537 MsgInfo *info = NULL;
1539 debug_print("%s has been displayed.\n", orig_msg_id);
1540 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1541 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1543 debug_print("skipping folder with no outbox...\n");
1546 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1547 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1549 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1550 procmsg_msginfo_free(info);
1554 g_free(orig_msg_id);
1557 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1558 g_free(hentry[i].body);
1559 hentry[i].body = NULL;
1563 #define GET_HEADERS() { \
1564 procheader_get_header_fields(fp, hentry); \
1565 if (hentry[0].body != NULL) { \
1566 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE); \
1567 g_free(hentry[0].body); \
1568 hentry[0].body = tmp; \
1570 if (hentry[2].body != NULL) { \
1571 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE); \
1572 g_free(hentry[2].body); \
1573 hentry[2].body = tmp; \
1575 if (hentry[4].body != NULL) { \
1576 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE); \
1577 g_free(hentry[4].body); \
1578 hentry[4].body = tmp; \
1580 if (hentry[5].body != NULL) { \
1581 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE); \
1582 g_free(hentry[5].body); \
1583 hentry[5].body = tmp; \
1585 if (hentry[6].body != NULL) { \
1586 tmp = conv_unmime_header(hentry[6].body, NULL, FALSE); \
1587 g_free(hentry[6].body); \
1588 hentry[6].body = tmp; \
1590 if (hentry[7].body != NULL) { \
1591 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE); \
1592 g_free(hentry[7].body); \
1593 hentry[7].body = tmp; \
1597 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1599 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1600 {"Content-Transfer-Encoding:",
1602 {"Content-Description:",
1606 {"Content-Disposition:",
1608 {"Content-Location:",
1610 {"Original-Message-ID:",
1614 {NULL, NULL, FALSE}};
1617 gint boundary_len = 0, lastoffset = -1, i;
1618 gchar buf[BUFFSIZE];
1621 gboolean start_found = FALSE;
1622 gboolean end_found = FALSE;
1624 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1627 boundary_len = strlen(boundary);
1629 procmime_decode_content(mimeinfo);
1631 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1633 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1637 fseek(fp, mimeinfo->offset, SEEK_SET);
1638 while ((p = SC_FGETS(buf, sizeof(buf), fp)) != NULL && result == 0) {
1639 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1642 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1645 if (lastoffset != -1) {
1646 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1649 result = procmime_parse_mimepart(mimeinfo,
1650 hentry[0].body, hentry[1].body,
1651 hentry[2].body, hentry[3].body,
1652 hentry[4].body, hentry[5].body,
1653 hentry[6].body, hentry[7].body,
1654 mimeinfo->data.filename, lastoffset,
1656 if (result == 1 && short_scan)
1661 if (buf[2 + boundary_len] == '-' &&
1662 buf[2 + boundary_len + 1] == '-') {
1666 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1667 g_free(hentry[i].body);
1668 hentry[i].body = NULL;
1671 lastoffset = ftell(fp);
1675 if (start_found && !end_found && lastoffset != -1) {
1676 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1679 result = procmime_parse_mimepart(mimeinfo,
1680 hentry[0].body, hentry[1].body,
1681 hentry[2].body, hentry[3].body,
1682 hentry[4].body, hentry[5].body,
1683 hentry[6].body, hentry[7].body,
1684 mimeinfo->data.filename, lastoffset,
1687 mimeinfo->broken = TRUE;
1690 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1691 g_free(hentry[i].body);
1692 hentry[i].body = NULL;
1694 procmime_fclose(fp);
1697 static void parse_parameters(const gchar *parameters, GHashTable *table)
1699 gchar *params, *param, *next;
1700 GSList *convlist = NULL, *concatlist = NULL, *cur;
1702 params = g_strdup(parameters);
1705 for (; next != NULL; param = next) {
1706 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1708 gboolean convert = FALSE;
1710 next = strchr_with_skip_quote(param, '"', ';');
1719 value = strchr(attribute, '=');
1725 while (value[0] == ' ')
1728 down_attr = g_utf8_strdown(attribute, -1);
1729 orig_down_attr = down_attr;
1731 len = down_attr ? strlen(down_attr):0;
1732 if (len > 0 && down_attr[len - 1] == '*') {
1733 gchar *srcpos, *dstpos, *endpos;
1736 down_attr[len - 1] = '\0';
1740 endpos = value + strlen(value);
1741 while (srcpos < endpos) {
1747 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1757 if (value[0] == '"')
1758 extract_quote(value, '"');
1760 if (value[0] == '"')
1761 extract_quote(value, '"');
1762 else if ((tmp = strchr(value, ' ')) != NULL)
1767 while (down_attr[0] == ' ')
1769 while (down_attr[strlen(down_attr)-1] == ' ')
1770 down_attr[strlen(down_attr)-1] = '\0';
1773 while (value[0] == ' ')
1775 while (value[strlen(value)-1] == ' ')
1776 value[strlen(value)-1] = '\0';
1778 if (down_attr && strrchr(down_attr, '*') != NULL) {
1781 tmpattr = g_strdup(down_attr);
1782 tmp = strrchr(tmpattr, '*');
1785 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1786 (g_slist_find_custom(concatlist, down_attr, (GCompareFunc)g_strcmp0) == NULL))
1787 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1789 if (convert && (g_slist_find_custom(convlist, tmpattr, (GCompareFunc)g_strcmp0) == NULL))
1790 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1793 } else if (convert) {
1794 if (g_slist_find_custom(convlist, down_attr, (GCompareFunc)g_strcmp0) == NULL)
1795 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1798 if (g_hash_table_lookup(table, down_attr) == NULL)
1799 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1800 g_free(orig_down_attr);
1803 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1804 gchar *attribute, *attrwnum, *partvalue;
1808 attribute = (gchar *) cur->data;
1809 value = g_string_sized_new(64);
1811 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1812 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1813 g_string_append(value, partvalue);
1815 g_hash_table_remove(table, attrwnum);
1818 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1822 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1823 g_string_free(value, TRUE);
1825 slist_free_strings(concatlist);
1826 g_slist_free(concatlist);
1828 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1829 gchar *attribute, *key, *value;
1830 gchar *charset, *lang, *oldvalue, *newvalue;
1832 attribute = (gchar *) cur->data;
1833 if (!g_hash_table_lookup_extended(
1834 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1838 if (charset == NULL)
1840 lang = strchr(charset, '\'');
1845 oldvalue = strchr(lang, '\'');
1846 if (oldvalue == NULL)
1851 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1853 g_hash_table_remove(table, attribute);
1857 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1859 slist_free_strings(convlist);
1860 g_slist_free(convlist);
1865 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1867 cm_return_if_fail(content_type != NULL);
1868 cm_return_if_fail(mimeinfo != NULL);
1870 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1871 * if it's not available we use the default Content-Type */
1872 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1873 mimeinfo->type = MIMETYPE_TEXT;
1874 mimeinfo->subtype = g_strdup("plain");
1875 if (g_hash_table_lookup(mimeinfo->typeparameters,
1876 "charset") == NULL) {
1877 g_hash_table_insert(mimeinfo->typeparameters,
1878 g_strdup("charset"),
1880 conv_get_locale_charset_str_no_utf8()));
1883 gchar *type, *subtype, *params;
1885 type = g_strdup(content_type);
1886 subtype = strchr(type, '/') + 1;
1887 *(subtype - 1) = '\0';
1888 if ((params = strchr(subtype, ';')) != NULL) {
1893 mimeinfo->type = procmime_get_media_type(type);
1894 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1896 /* Get mimeinfo->typeparameters */
1898 parse_parameters(params, mimeinfo->typeparameters);
1904 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1906 gchar *tmp, *params;
1908 cm_return_if_fail(content_disposition != NULL);
1909 cm_return_if_fail(mimeinfo != NULL);
1911 tmp = g_strdup(content_disposition);
1912 if ((params = strchr(tmp, ';')) != NULL) {
1918 if (!g_ascii_strcasecmp(tmp, "inline"))
1919 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1920 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1921 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1923 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1926 parse_parameters(params, mimeinfo->dispositionparameters);
1932 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1934 struct EncodingTable *enc_table;
1936 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1937 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1938 mimeinfo->encoding_type = enc_table->enc_type;
1942 mimeinfo->encoding_type = ENC_UNKNOWN;
1946 static GSList *registered_parsers = NULL;
1948 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1951 for (cur = registered_parsers; cur; cur = cur->next) {
1952 MimeParser *parser = (MimeParser *)cur->data;
1953 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1959 void procmime_mimeparser_register(MimeParser *parser)
1961 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1962 registered_parsers = g_slist_append(registered_parsers, parser);
1966 void procmime_mimeparser_unregister(MimeParser *parser)
1968 registered_parsers = g_slist_remove(registered_parsers, parser);
1971 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1973 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1974 return parser->parse(parser, mimeinfo);
1977 static int procmime_parse_mimepart(MimeInfo *parent,
1978 gchar *content_type,
1979 gchar *content_encoding,
1980 gchar *content_description,
1982 gchar *content_disposition,
1983 gchar *content_location,
1984 const gchar *original_msgid,
1985 const gchar *disposition_notification_hdr,
1986 const gchar *filename,
1989 gboolean short_scan)
1992 MimeParser *parser = NULL;
1993 gboolean parsed = FALSE;
1996 /* Create MimeInfo */
1997 mimeinfo = procmime_mimeinfo_new();
1998 mimeinfo->content = MIMECONTENT_FILE;
2000 if (parent != NULL) {
2001 if (g_node_depth(parent->node) > 32) {
2002 /* 32 is an arbitrary value
2003 * this avoids DOSsing ourselves
2004 * with enormous messages
2006 procmime_mimeinfo_free_all(mimeinfo);
2009 g_node_append(parent->node, mimeinfo->node);
2011 mimeinfo->data.filename = g_strdup(filename);
2012 mimeinfo->offset = offset;
2013 mimeinfo->length = length;
2015 if (content_type != NULL) {
2016 procmime_parse_content_type(content_type, mimeinfo);
2018 mimeinfo->type = MIMETYPE_TEXT;
2019 mimeinfo->subtype = g_strdup("plain");
2020 if (g_hash_table_lookup(mimeinfo->typeparameters,
2021 "charset") == NULL) {
2022 g_hash_table_insert(mimeinfo->typeparameters,
2023 g_strdup("charset"),
2025 conv_get_locale_charset_str_no_utf8()));
2029 if (content_encoding != NULL) {
2030 procmime_parse_content_encoding(content_encoding, mimeinfo);
2032 mimeinfo->encoding_type = ENC_UNKNOWN;
2035 if (content_description != NULL)
2036 mimeinfo->description = g_strdup(content_description);
2038 mimeinfo->description = NULL;
2040 if (content_id != NULL)
2041 mimeinfo->id = g_strdup(content_id);
2043 mimeinfo->id = NULL;
2045 if (content_location != NULL)
2046 mimeinfo->location = g_strdup(content_location);
2048 mimeinfo->location = NULL;
2050 if (content_disposition != NULL)
2051 procmime_parse_content_disposition(content_disposition, mimeinfo);
2053 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
2055 /* Call parser for mime type */
2056 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
2057 parsed = procmime_mimeparser_parse(parser, mimeinfo);
2060 switch (mimeinfo->type) {
2062 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2067 case MIMETYPE_MESSAGE:
2068 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2069 procmime_parse_message_rfc822(mimeinfo, short_scan);
2071 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2072 procmime_parse_disposition_notification(mimeinfo,
2073 original_msgid, disposition_notification_hdr, short_scan);
2077 case MIMETYPE_MULTIPART:
2078 procmime_parse_multipart(mimeinfo, short_scan);
2081 case MIMETYPE_APPLICATION:
2082 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2083 && original_msgid && *original_msgid
2084 && disposition_notification_hdr && *disposition_notification_hdr) {
2085 procmime_parse_disposition_notification(mimeinfo,
2086 original_msgid, disposition_notification_hdr, short_scan);
2097 static gchar *typenames[] = {
2108 static gboolean output_func(GNode *node, gpointer data)
2111 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2113 depth = g_node_depth(node);
2114 for (i = 0; i < depth; i++)
2116 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2121 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2123 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2126 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2131 g_stat(filename, &buf);
2133 mimeinfo = procmime_mimeinfo_new();
2134 mimeinfo->content = MIMECONTENT_FILE;
2135 mimeinfo->encoding_type = ENC_UNKNOWN;
2136 mimeinfo->type = MIMETYPE_MESSAGE;
2137 mimeinfo->subtype = g_strdup("rfc822");
2138 mimeinfo->data.filename = g_strdup(filename);
2139 mimeinfo->offset = offset;
2140 mimeinfo->length = buf.st_size - offset;
2142 procmime_parse_message_rfc822(mimeinfo, short_scan);
2143 if (debug_get_mode())
2144 output_mime_structure(mimeinfo, 0);
2149 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2153 cm_return_val_if_fail(filename != NULL, NULL);
2155 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2160 MimeInfo *procmime_scan_file(const gchar *filename)
2162 return procmime_scan_file_full(filename, FALSE);
2165 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2167 return procmime_scan_file_full(filename, TRUE);
2170 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2174 gchar buf[BUFFSIZE];
2177 cm_return_val_if_fail(filename != NULL, NULL);
2180 if ((fp = procmime_fopen(filename, "rb")) == NULL)
2182 /* Skip queue header */
2183 while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
2185 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2186 strlen("X-Claws-End-Special-Headers:"))) ||
2187 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2188 strlen("X-Sylpheed-End-Special-Headers:"))))
2191 if (buf[0] == '\r' || buf[0] == '\n') break;
2192 /* from other mailers */
2193 if (!strncmp(buf, "Date: ", 6)
2194 || !strncmp(buf, "To: ", 4)
2195 || !strncmp(buf, "From: ", 6)
2196 || !strncmp(buf, "Subject: ", 9)) {
2202 procmime_fclose(fp);
2204 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2209 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2211 return procmime_scan_queue_file_full(filename, FALSE);
2214 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2216 return procmime_scan_queue_file_full(filename, TRUE);
2221 ENC_AS_QUOTED_STRING,
2226 typedef struct _ParametersData {
2232 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2235 gchar *val = value, *valpos, *tmp;
2236 ParametersData *pdata = (ParametersData *)user_data;
2237 GString *buf = g_string_new("");
2240 EncodeAs encas = ENC_AS_TOKEN;
2242 for (valpos = val; *valpos != 0; valpos++) {
2243 if (!IS_ASCII(*valpos)) {
2244 encas = ENC_AS_ENCWORD;
2249 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2250 encas = ENC_AS_QUOTED_STRING;
2254 /* tspecials + SPACE */
2272 encas = ENC_AS_QUOTED_STRING;
2279 g_string_append_printf(buf, "%s=%s", param, val);
2282 case ENC_AS_QUOTED_STRING:
2283 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2286 #if 0 /* we don't use that for now */
2287 case ENC_AS_EXTENDED:
2288 if (!g_utf8_validate(val, -1, NULL))
2289 g_string_append_printf(buf, "%s*=%s''", param,
2290 conv_get_locale_charset_str());
2292 g_string_append_printf(buf, "%s*=%s''", param,
2294 for (valpos = val; *valpos != '\0'; valpos++) {
2295 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2296 g_string_append_printf(buf, "%c", *valpos);
2298 gchar hexstr[3] = "XX";
2299 get_hex_str(hexstr, *valpos);
2300 g_string_append_printf(buf, "%%%s", hexstr);
2305 case ENC_AS_EXTENDED:
2306 debug_print("Unhandled ENC_AS_EXTENDED.");
2309 case ENC_AS_ENCWORD:
2310 len = MAX(strlen(val)*6, 512);
2311 tmp = g_malloc(len+1);
2312 codeconv_set_strict(TRUE);
2313 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2314 prefs_common.outgoing_charset);
2315 codeconv_set_strict(FALSE);
2316 if (!tmp || !*tmp) {
2317 codeconv_set_strict(TRUE);
2318 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2319 conv_get_outgoing_charset_str());
2320 codeconv_set_strict(FALSE);
2322 if (!tmp || !*tmp) {
2323 codeconv_set_strict(TRUE);
2324 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2326 codeconv_set_strict(FALSE);
2328 if (!tmp || !*tmp) {
2329 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2332 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2338 if (buf->str && strlen(buf->str)) {
2339 tmp = strstr(buf->str, "\n");
2341 len = (tmp - buf->str);
2343 len = strlen(buf->str);
2344 if (pdata->len + len > 76) {
2345 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2346 pdata->error = TRUE;
2347 pdata->len = strlen(buf->str) + 1;
2349 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2350 pdata->error = TRUE;
2351 pdata->len += strlen(buf->str) + 2;
2354 g_string_free(buf, TRUE);
2357 #define TRY(func) { \
2363 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2365 struct TypeTable *type_table;
2366 ParametersData *pdata = g_new0(ParametersData, 1);
2367 debug_print("procmime_write_mime_header\n");
2370 pdata->error = FALSE;
2371 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2372 if (mimeinfo->type == type_table->type) {
2373 gchar *buf = g_strdup_printf(
2374 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2375 if (fprintf(fp, "%s", buf) < 0) {
2380 pdata->len = strlen(buf);
2384 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2385 if (pdata->error == TRUE) {
2391 TRY(fprintf(fp, "\n") >= 0);
2393 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2394 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2396 if (mimeinfo->description != NULL)
2397 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2399 if (mimeinfo->id != NULL)
2400 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2402 if (mimeinfo->location != NULL)
2403 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2405 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2406 ParametersData *pdata = g_new0(ParametersData, 1);
2408 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2409 buf = g_strdup("Content-Disposition: inline");
2410 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2411 buf = g_strdup("Content-Disposition: attachment");
2413 buf = g_strdup("Content-Disposition: unknown");
2415 if (fprintf(fp, "%s", buf) < 0) {
2420 pdata->len = strlen(buf);
2424 pdata->error = FALSE;
2425 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2426 if (pdata->error == TRUE) {
2431 TRY(fprintf(fp, "\n") >= 0);
2434 TRY(fprintf(fp, "\n") >= 0);
2439 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2444 gchar buf[BUFFSIZE];
2445 gboolean skip = FALSE;;
2448 debug_print("procmime_write_message_rfc822\n");
2451 switch (mimeinfo->content) {
2452 case MIMECONTENT_FILE:
2453 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2454 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2457 fseek(infp, mimeinfo->offset, SEEK_SET);
2458 while (SC_FGETS(buf, sizeof(buf), infp) == buf) {
2460 if (buf[0] == '\n' && buf[1] == '\0')
2462 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2464 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2465 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2466 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2467 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2468 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2469 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2470 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2475 if (SC_FWRITE(buf, sizeof(gchar), len, fp) < len) {
2476 g_warning("failed to dump %zd bytes from file", len);
2477 procmime_fclose(infp);
2482 procmime_fclose(infp);
2485 case MIMECONTENT_MEM:
2486 len = strlen(mimeinfo->data.mem);
2487 if (SC_FWRITE(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2488 g_warning("failed to dump %zd bytes from mem", len);
2497 childnode = mimeinfo->node->children;
2498 if (childnode == NULL)
2501 child = (MimeInfo *) childnode->data;
2502 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2503 g_warning("failed to write mime version");
2506 if (procmime_write_mime_header(child, fp) < 0)
2508 return procmime_write_mimeinfo(child, fp);
2511 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2515 gchar *boundary, *str, *str2;
2516 gchar buf[BUFFSIZE];
2517 gboolean firstboundary;
2520 debug_print("procmime_write_multipart\n");
2522 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2524 switch (mimeinfo->content) {
2525 case MIMECONTENT_FILE:
2526 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2527 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2530 fseek(infp, mimeinfo->offset, SEEK_SET);
2531 while (SC_FGETS(buf, sizeof(buf), infp) == buf) {
2532 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2535 if (SC_FWRITE(buf, sizeof(gchar), len, fp) < len) {
2536 g_warning("failed to write %zd", len);
2537 procmime_fclose(infp);
2541 procmime_fclose(infp);
2544 case MIMECONTENT_MEM:
2545 str = g_strdup(mimeinfo->data.mem);
2546 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2547 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2550 if (SC_FWRITE(str, sizeof(gchar), len, fp) < len) {
2551 g_warning("failed to write %zd from mem", len);
2562 childnode = mimeinfo->node->children;
2563 firstboundary = TRUE;
2564 while (childnode != NULL) {
2565 MimeInfo *child = childnode->data;
2568 firstboundary = FALSE;
2570 TRY(fprintf(fp, "\n") >= 0);
2572 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2574 if (procmime_write_mime_header(child, fp) < 0)
2576 if (procmime_write_mimeinfo(child, fp) < 0)
2579 childnode = g_node_next_sibling(childnode);
2581 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2586 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2590 debug_print("procmime_write_mimeinfo\n");
2592 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2593 switch (mimeinfo->content) {
2594 case MIMECONTENT_FILE:
2595 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2596 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2599 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2600 procmime_fclose(infp);
2603 case MIMECONTENT_MEM:
2604 len = strlen(mimeinfo->data.mem);
2605 if (SC_FWRITE(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2613 /* Call writer for mime type */
2614 switch (mimeinfo->type) {
2615 case MIMETYPE_MESSAGE:
2616 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2617 return procmime_write_message_rfc822(mimeinfo, fp);
2621 case MIMETYPE_MULTIPART:
2622 return procmime_write_multipart(mimeinfo, fp);
2634 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2638 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2639 base = g_strdup("mimetmp.html");
2641 const gchar *basetmp;
2644 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2645 if (basetmp == NULL)
2646 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2647 if (basetmp == NULL)
2648 basetmp = "mimetmp";
2649 basename = g_path_get_basename(basetmp);
2650 if (*basename == '\0') {
2652 basename = g_strdup("mimetmp");
2654 base = conv_filename_from_utf8(basename);
2656 subst_for_shellsafe_filename(base);