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;
771 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_VIET_VPS))
772 src_codeset = CS_WINDOWS_874;
774 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
775 SC_HTMLParser *parser;
778 conv = conv_code_converter_new(src_codeset);
779 parser = sc_html_parser_new(tmpfp, conv);
780 while ((str = sc_html_parse(parser)) != NULL) {
781 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
784 sc_html_parser_destroy(parser);
785 conv_code_converter_destroy(conv);
786 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
790 conv = conv_code_converter_new(src_codeset);
791 parser = ertf_parser_new(tmpfp, conv);
792 while ((str = ertf_parse(parser)) != NULL) {
793 if ((scan_ret = scan_callback(str, cb_data)) == TRUE)
796 ertf_parser_destroy(parser);
797 conv_code_converter_destroy(conv);
798 } else if (mimeinfo->type == MIMETYPE_TEXT) {
799 while (SC_FGETS(buf, sizeof(buf), tmpfp) != NULL) {
800 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
802 str = conv_codeset_strdup(buf, conv_get_locale_charset_str(), CS_UTF_8);
804 if ((scan_ret = scan_callback(str, cb_data)) == TRUE) {
815 g_warning("procmime_get_text_content(): Code conversion failed.\n");
817 procmime_fclose(tmpfp);
818 claws_unlink(tmpfile);
824 static gboolean scan_fputs_cb(const gchar *str, gpointer fp)
826 if (SC_FPUTS(str, (FILE *)fp) == EOF)
832 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
837 if ((outfp = my_tmpfile()) == NULL) {
841 #ifdef HAVE_FGETS_UNLOCKED
845 err = procmime_scan_text_content(mimeinfo, scan_fputs_cb, outfp);
849 procmime_fclose(outfp);
852 #ifdef HAVE_FGETS_UNLOCKED
859 FILE *procmime_get_binary_content(MimeInfo *mimeinfo)
864 cm_return_val_if_fail(mimeinfo != NULL, NULL);
866 if (!procmime_decode_content(mimeinfo))
869 tmpfile = procmime_get_tmp_file_name(mimeinfo);
873 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
878 outfp = procmime_fopen(tmpfile, "rb");
888 #ifdef HAVE_FGETS_UNLOCKED
894 /* search the first text part of (multipart) MIME message,
895 decode, convert it and output to outfp. */
896 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
899 MimeInfo *mimeinfo, *partinfo;
900 gboolean empty_ok = FALSE, short_scan = TRUE;
902 cm_return_val_if_fail(msginfo != NULL, NULL);
904 /* first we try to short-scan (for speed), refusing empty parts */
907 mimeinfo = procmime_scan_message_short(msginfo);
909 mimeinfo = procmime_scan_message(msginfo);
910 if (!mimeinfo) return NULL;
913 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
914 (partinfo->length == 0 && !empty_ok))) {
915 partinfo = procmime_mimeinfo_next(partinfo);
918 outfp = procmime_get_text_content(partinfo);
919 else if (!empty_ok && short_scan) {
920 /* if short scan didn't find a non-empty part, rescan
921 * fully for non-empty parts
924 procmime_mimeinfo_free_all(mimeinfo);
926 } else if (!empty_ok && !short_scan) {
927 /* if full scan didn't find a non-empty part, rescan
928 * accepting empty parts
931 procmime_mimeinfo_free_all(mimeinfo);
934 procmime_mimeinfo_free_all(mimeinfo);
936 /* outfp already unlocked at this time */
941 static gboolean find_encrypted_func(GNode *node, gpointer data)
943 MimeInfo *mimeinfo = (MimeInfo *) node->data;
944 MimeInfo **encinfo = (MimeInfo **) data;
946 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
954 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
956 MimeInfo *encinfo = NULL;
958 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
959 find_encrypted_func, &encinfo);
964 /* search the first encrypted text part of (multipart) MIME message,
965 decode, convert it and output to outfp. */
966 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
969 MimeInfo *mimeinfo, *partinfo, *encinfo;
971 cm_return_val_if_fail(msginfo != NULL, NULL);
973 mimeinfo = procmime_scan_message(msginfo);
979 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
980 debug_print("decrypting message part\n");
981 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
982 alertpanel_error(_("Couldn't decrypt: %s"),
983 privacy_get_error());
988 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
989 partinfo = procmime_mimeinfo_next(partinfo);
990 if (privacy_mimeinfo_is_signed(partinfo))
991 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
995 outfp = procmime_get_text_content(partinfo);
997 procmime_mimeinfo_free_all(mimeinfo);
999 /* outfp already unlocked at this time */
1003 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
1005 MimeInfo *mimeinfo, *partinfo;
1006 gboolean result = FALSE;
1008 cm_return_val_if_fail(msginfo != NULL, FALSE);
1010 mimeinfo = procmime_scan_message(msginfo);
1015 partinfo = mimeinfo;
1016 result = (find_encrypted_part(partinfo) != NULL);
1017 procmime_mimeinfo_free_all(mimeinfo);
1022 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
1024 static guint32 id = 0;
1029 cm_return_val_if_fail(mimeinfo != NULL, NULL);
1031 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
1033 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1034 base = g_strdup("mimetmp.html");
1036 const gchar *basetmp;
1038 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
1039 if (basetmp == NULL)
1040 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
1041 if (basetmp == NULL)
1042 basetmp = "mimetmp";
1043 basetmp = g_path_get_basename(basetmp);
1044 if (*basetmp == '\0')
1045 basetmp = g_strdup("mimetmp");
1046 base = conv_filename_from_utf8(basetmp);
1047 g_free((gchar*)basetmp);
1048 subst_for_shellsafe_filename(base);
1051 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1052 f_prefix, base, NULL);
1059 static GList *mime_type_list = NULL;
1061 gchar *procmime_get_mime_type(const gchar *filename)
1067 static GHashTable *mime_type_table = NULL;
1068 MimeType *mime_type;
1070 if (!mime_type_table) {
1071 mime_type_table = procmime_get_mime_type_table();
1072 if (!mime_type_table) return NULL;
1076 if (filename == NULL)
1079 base = g_path_get_basename(filename);
1080 if ((p = strrchr(base, '.')) != NULL)
1081 ext = g_utf8_strdown(p + 1, -1);
1085 mime_type = g_hash_table_lookup(mime_type_table, ext);
1089 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1091 debug_print("got type %s for %s\n", str, ext);
1097 gchar *str = get_content_type_from_registry_with_ext(ext);
1104 static guint procmime_str_hash(gconstpointer gptr)
1106 guint hash_result = 0;
1109 for (str = gptr; str && *str; str++) {
1110 if (isupper(*str)) hash_result += (*str + ' ');
1111 else hash_result += *str;
1117 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1119 const char *str1 = gptr1;
1120 const char *str2 = gptr2;
1122 return !g_utf8_collate(str1, str2);
1125 static GHashTable *procmime_get_mime_type_table(void)
1127 GHashTable *table = NULL;
1129 MimeType *mime_type;
1132 if (!mime_type_list) {
1133 mime_type_list = procmime_get_mime_type_list();
1134 if (!mime_type_list) return NULL;
1137 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1139 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1143 mime_type = (MimeType *)cur->data;
1145 if (!mime_type->extension) continue;
1147 exts = g_strsplit(mime_type->extension, " ", 16);
1148 for (i = 0; exts[i] != NULL; i++) {
1149 /* use previously dup'd key on overwriting */
1150 if (g_hash_table_lookup(table, exts[i]))
1153 key = g_strdup(exts[i]);
1154 g_hash_table_insert(table, key, mime_type);
1162 GList *procmime_get_mime_type_list(void)
1166 gchar buf[BUFFSIZE];
1169 MimeType *mime_type;
1170 gboolean fp_is_glob_file = TRUE;
1173 return mime_type_list;
1175 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1176 if ((fp = procmime_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1178 if ((fp = procmime_fopen("/usr/share/mime/globs", "rb")) == NULL)
1181 fp_is_glob_file = FALSE;
1182 if ((fp = procmime_fopen("/etc/mime.types", "rb")) == NULL) {
1183 if ((fp = procmime_fopen(SYSCONFDIR "/mime.types", "rb"))
1185 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1192 while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
1193 p = strchr(buf, '#');
1199 if (fp_is_glob_file) {
1200 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1202 while (*p && !g_ascii_isspace(*p)) p++;
1209 delim = strchr(buf, '/');
1210 if (delim == NULL) continue;
1213 mime_type = g_new(MimeType, 1);
1214 mime_type->type = g_strdup(buf);
1215 mime_type->sub_type = g_strdup(delim + 1);
1217 if (fp_is_glob_file) {
1218 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1220 while (*p && g_ascii_isspace(*p)) p++;
1224 mime_type->extension = g_utf8_strdown(p, -1);
1226 mime_type->extension = NULL;
1228 list = g_list_append(list, mime_type);
1231 procmime_fclose(fp);
1234 g_warning("Can't read mime.types\n");
1239 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1243 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1244 !g_ascii_strcasecmp(charset, "US-ASCII"))
1246 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1247 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1248 !g_ascii_strcasecmp(charset, "Windows-1251"))
1250 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1251 return ENC_QUOTED_PRINTABLE;
1252 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1253 return ENC_QUOTED_PRINTABLE;
1258 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1261 guchar buf[BUFFSIZE];
1263 size_t octet_chars = 0;
1264 size_t total_len = 0;
1265 gfloat octet_percentage;
1266 gboolean force_b64 = FALSE;
1268 if ((fp = procmime_fopen(file, "rb")) == NULL) {
1269 FILE_OP_ERROR(file, "fopen");
1273 while ((len = SC_FREAD(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1277 for (p = buf, i = 0; i < len; ++p, ++i) {
1288 procmime_fclose(fp);
1291 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1293 octet_percentage = 0.0;
1295 debug_print("procmime_get_encoding_for_text_file(): "
1296 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1297 100.0 * octet_percentage);
1299 if (octet_percentage > 0.20 || force_b64) {
1300 debug_print("using BASE64\n");
1302 } else if (octet_chars > 0) {
1303 debug_print("using quoted-printable\n");
1304 return ENC_QUOTED_PRINTABLE;
1306 debug_print("using 7bit\n");
1311 struct EncodingTable
1314 EncodingType enc_type;
1317 struct EncodingTable encoding_table[] = {
1320 {"binary", ENC_BINARY},
1321 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1322 {"base64", ENC_BASE64},
1323 {"x-uuencode", ENC_UNKNOWN},
1324 {NULL, ENC_UNKNOWN},
1327 const gchar *procmime_get_encoding_str(EncodingType encoding)
1329 struct EncodingTable *enc_table;
1331 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1332 if (enc_table->enc_type == encoding)
1333 return enc_table->str;
1338 /* --- NEW MIME STUFF --- */
1345 static struct TypeTable mime_type_table[] = {
1346 {"text", MIMETYPE_TEXT},
1347 {"image", MIMETYPE_IMAGE},
1348 {"audio", MIMETYPE_AUDIO},
1349 {"video", MIMETYPE_VIDEO},
1350 {"application", MIMETYPE_APPLICATION},
1351 {"message", MIMETYPE_MESSAGE},
1352 {"multipart", MIMETYPE_MULTIPART},
1356 const gchar *procmime_get_media_type_str(MimeMediaType type)
1358 struct TypeTable *type_table;
1360 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1361 if (type_table->type == type)
1362 return type_table->str;
1367 MimeMediaType procmime_get_media_type(const gchar *str)
1369 struct TypeTable *typetablearray;
1371 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1372 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1373 return typetablearray->type;
1375 return MIMETYPE_UNKNOWN;
1379 *\brief Safe wrapper for content type string.
1381 *\return const gchar * Pointer to content type string.
1383 gchar *procmime_get_content_type_str(MimeMediaType type,
1384 const char *subtype)
1386 const gchar *type_str = NULL;
1388 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1389 return g_strdup("unknown");
1390 return g_strdup_printf("%s/%s", type_str, subtype);
1393 static int procmime_parse_mimepart(MimeInfo *parent,
1394 gchar *content_type,
1395 gchar *content_encoding,
1396 gchar *content_description,
1398 gchar *content_disposition,
1399 gchar *content_location,
1400 const gchar *original_msgid,
1401 const gchar *disposition_notification_hdr,
1402 const gchar *filename,
1405 gboolean short_scan);
1407 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1409 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1410 {"Content-Transfer-Encoding:",
1412 {"Content-Description:",
1416 {"Content-Disposition:",
1418 {"Content-Location:",
1422 {"Original-Message-ID:",
1426 {NULL, NULL, FALSE}};
1427 guint content_start, i;
1432 procmime_decode_content(mimeinfo);
1434 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1436 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1439 fseek(fp, mimeinfo->offset, SEEK_SET);
1440 procheader_get_header_fields(fp, hentry);
1441 if (hentry[0].body != NULL) {
1442 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE);
1443 g_free(hentry[0].body);
1444 hentry[0].body = tmp;
1446 if (hentry[2].body != NULL) {
1447 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE);
1448 g_free(hentry[2].body);
1449 hentry[2].body = tmp;
1451 if (hentry[4].body != NULL) {
1452 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE);
1453 g_free(hentry[4].body);
1454 hentry[4].body = tmp;
1456 if (hentry[5].body != NULL) {
1457 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE);
1458 g_free(hentry[5].body);
1459 hentry[5].body = tmp;
1461 if (hentry[7].body != NULL) {
1462 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE);
1463 g_free(hentry[7].body);
1464 hentry[7].body = tmp;
1466 if (hentry[8].body != NULL) {
1467 tmp = conv_unmime_header(hentry[8].body, NULL, FALSE);
1468 g_free(hentry[8].body);
1469 hentry[8].body = tmp;
1472 content_start = ftell(fp);
1473 procmime_fclose(fp);
1475 len = mimeinfo->length - (content_start - mimeinfo->offset);
1478 procmime_parse_mimepart(mimeinfo,
1479 hentry[0].body, hentry[1].body,
1480 hentry[2].body, hentry[3].body,
1481 hentry[4].body, hentry[5].body,
1482 hentry[7].body, hentry[8].body,
1483 mimeinfo->data.filename, content_start,
1486 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1487 g_free(hentry[i].body);
1488 hentry[i].body = NULL;
1492 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1493 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1494 gboolean short_scan)
1496 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1497 {"Disposition:", NULL, TRUE},
1498 {NULL, NULL, FALSE}};
1501 gchar *orig_msg_id = NULL;
1504 procmime_decode_content(mimeinfo);
1506 debug_print("parse disposition notification\n");
1507 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1509 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1512 fseek(fp, mimeinfo->offset, SEEK_SET);
1514 if (original_msgid && disposition_notification_hdr) {
1515 hentry[0].body = g_strdup(original_msgid);
1516 hentry[1].body = g_strdup(disposition_notification_hdr);
1518 procheader_get_header_fields(fp, hentry);
1521 procmime_fclose(fp);
1523 if (!hentry[0].body || !hentry[1].body) {
1524 debug_print("MsgId %s, Disp %s\n",
1525 hentry[0].body ? hentry[0].body:"(nil)",
1526 hentry[1].body ? hentry[1].body:"(nil)");
1530 orig_msg_id = g_strdup(hentry[0].body);
1531 disp = g_strdup(hentry[1].body);
1533 extract_parenthesis(orig_msg_id, '<', '>');
1534 remove_space(orig_msg_id);
1536 if (strstr(disp, "displayed")) {
1537 /* find sent message, if possible */
1538 MsgInfo *info = NULL;
1540 debug_print("%s has been displayed.\n", orig_msg_id);
1541 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1542 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1544 debug_print("skipping folder with no outbox...\n");
1547 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1548 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1550 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1551 procmsg_msginfo_free(info);
1555 g_free(orig_msg_id);
1558 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1559 g_free(hentry[i].body);
1560 hentry[i].body = NULL;
1564 #define GET_HEADERS() { \
1565 procheader_get_header_fields(fp, hentry); \
1566 if (hentry[0].body != NULL) { \
1567 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE); \
1568 g_free(hentry[0].body); \
1569 hentry[0].body = tmp; \
1571 if (hentry[2].body != NULL) { \
1572 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE); \
1573 g_free(hentry[2].body); \
1574 hentry[2].body = tmp; \
1576 if (hentry[4].body != NULL) { \
1577 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE); \
1578 g_free(hentry[4].body); \
1579 hentry[4].body = tmp; \
1581 if (hentry[5].body != NULL) { \
1582 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE); \
1583 g_free(hentry[5].body); \
1584 hentry[5].body = tmp; \
1586 if (hentry[6].body != NULL) { \
1587 tmp = conv_unmime_header(hentry[6].body, NULL, FALSE); \
1588 g_free(hentry[6].body); \
1589 hentry[6].body = tmp; \
1591 if (hentry[7].body != NULL) { \
1592 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE); \
1593 g_free(hentry[7].body); \
1594 hentry[7].body = tmp; \
1598 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1600 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1601 {"Content-Transfer-Encoding:",
1603 {"Content-Description:",
1607 {"Content-Disposition:",
1609 {"Content-Location:",
1611 {"Original-Message-ID:",
1615 {NULL, NULL, FALSE}};
1618 gint boundary_len = 0, lastoffset = -1, i;
1619 gchar buf[BUFFSIZE];
1622 gboolean start_found = FALSE;
1623 gboolean end_found = FALSE;
1625 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1628 boundary_len = strlen(boundary);
1630 procmime_decode_content(mimeinfo);
1632 fp = procmime_fopen(mimeinfo->data.filename, "rb");
1634 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1638 fseek(fp, mimeinfo->offset, SEEK_SET);
1639 while ((p = SC_FGETS(buf, sizeof(buf), fp)) != NULL && result == 0) {
1640 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1643 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1646 if (lastoffset != -1) {
1647 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1650 result = procmime_parse_mimepart(mimeinfo,
1651 hentry[0].body, hentry[1].body,
1652 hentry[2].body, hentry[3].body,
1653 hentry[4].body, hentry[5].body,
1654 hentry[6].body, hentry[7].body,
1655 mimeinfo->data.filename, lastoffset,
1657 if (result == 1 && short_scan)
1662 if (buf[2 + boundary_len] == '-' &&
1663 buf[2 + boundary_len + 1] == '-') {
1667 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1668 g_free(hentry[i].body);
1669 hentry[i].body = NULL;
1672 lastoffset = ftell(fp);
1676 if (start_found && !end_found && lastoffset != -1) {
1677 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1680 result = procmime_parse_mimepart(mimeinfo,
1681 hentry[0].body, hentry[1].body,
1682 hentry[2].body, hentry[3].body,
1683 hentry[4].body, hentry[5].body,
1684 hentry[6].body, hentry[7].body,
1685 mimeinfo->data.filename, lastoffset,
1688 mimeinfo->broken = TRUE;
1691 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1692 g_free(hentry[i].body);
1693 hentry[i].body = NULL;
1695 procmime_fclose(fp);
1698 static void parse_parameters(const gchar *parameters, GHashTable *table)
1700 gchar *params, *param, *next;
1701 GSList *convlist = NULL, *concatlist = NULL, *cur;
1703 params = g_strdup(parameters);
1706 for (; next != NULL; param = next) {
1707 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1709 gboolean convert = FALSE;
1711 next = strchr_with_skip_quote(param, '"', ';');
1720 value = strchr(attribute, '=');
1726 while (value[0] == ' ')
1729 down_attr = g_utf8_strdown(attribute, -1);
1730 orig_down_attr = down_attr;
1732 len = down_attr ? strlen(down_attr):0;
1733 if (len > 0 && down_attr[len - 1] == '*') {
1734 gchar *srcpos, *dstpos, *endpos;
1737 down_attr[len - 1] = '\0';
1741 endpos = value + strlen(value);
1742 while (srcpos < endpos) {
1748 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1758 if (value[0] == '"')
1759 extract_quote(value, '"');
1761 if (value[0] == '"')
1762 extract_quote(value, '"');
1763 else if ((tmp = strchr(value, ' ')) != NULL)
1768 while (down_attr[0] == ' ')
1770 while (down_attr[strlen(down_attr)-1] == ' ')
1771 down_attr[strlen(down_attr)-1] = '\0';
1774 while (value[0] == ' ')
1776 while (value[strlen(value)-1] == ' ')
1777 value[strlen(value)-1] = '\0';
1779 if (down_attr && strrchr(down_attr, '*') != NULL) {
1782 tmpattr = g_strdup(down_attr);
1783 tmp = strrchr(tmpattr, '*');
1786 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1787 (g_slist_find_custom(concatlist, down_attr, (GCompareFunc)g_strcmp0) == NULL))
1788 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1790 if (convert && (g_slist_find_custom(convlist, tmpattr, (GCompareFunc)g_strcmp0) == NULL))
1791 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1794 } else if (convert) {
1795 if (g_slist_find_custom(convlist, down_attr, (GCompareFunc)g_strcmp0) == NULL)
1796 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1799 if (g_hash_table_lookup(table, down_attr) == NULL)
1800 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1801 g_free(orig_down_attr);
1804 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1805 gchar *attribute, *attrwnum, *partvalue;
1809 attribute = (gchar *) cur->data;
1810 value = g_string_sized_new(64);
1812 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1813 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1814 g_string_append(value, partvalue);
1816 g_hash_table_remove(table, attrwnum);
1819 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1823 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1824 g_string_free(value, TRUE);
1826 slist_free_strings_full(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_full(convlist);
1864 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1866 cm_return_if_fail(content_type != NULL);
1867 cm_return_if_fail(mimeinfo != NULL);
1869 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1870 * if it's not available we use the default Content-Type */
1871 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1872 mimeinfo->type = MIMETYPE_TEXT;
1873 mimeinfo->subtype = g_strdup("plain");
1874 if (g_hash_table_lookup(mimeinfo->typeparameters,
1875 "charset") == NULL) {
1876 g_hash_table_insert(mimeinfo->typeparameters,
1877 g_strdup("charset"),
1879 conv_get_locale_charset_str_no_utf8()));
1882 gchar *type, *subtype, *params;
1884 type = g_strdup(content_type);
1885 subtype = strchr(type, '/') + 1;
1886 *(subtype - 1) = '\0';
1887 if ((params = strchr(subtype, ';')) != NULL) {
1892 mimeinfo->type = procmime_get_media_type(type);
1893 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1895 /* Get mimeinfo->typeparameters */
1897 parse_parameters(params, mimeinfo->typeparameters);
1903 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1905 gchar *tmp, *params;
1907 cm_return_if_fail(content_disposition != NULL);
1908 cm_return_if_fail(mimeinfo != NULL);
1910 tmp = g_strdup(content_disposition);
1911 if ((params = strchr(tmp, ';')) != NULL) {
1917 if (!g_ascii_strcasecmp(tmp, "inline"))
1918 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1919 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1920 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1922 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1925 parse_parameters(params, mimeinfo->dispositionparameters);
1931 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1933 struct EncodingTable *enc_table;
1935 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1936 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1937 mimeinfo->encoding_type = enc_table->enc_type;
1941 mimeinfo->encoding_type = ENC_UNKNOWN;
1945 static GSList *registered_parsers = NULL;
1947 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1950 for (cur = registered_parsers; cur; cur = cur->next) {
1951 MimeParser *parser = (MimeParser *)cur->data;
1952 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1958 void procmime_mimeparser_register(MimeParser *parser)
1960 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1961 registered_parsers = g_slist_append(registered_parsers, parser);
1965 void procmime_mimeparser_unregister(MimeParser *parser)
1967 registered_parsers = g_slist_remove(registered_parsers, parser);
1970 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1972 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1973 return parser->parse(parser, mimeinfo);
1976 static int procmime_parse_mimepart(MimeInfo *parent,
1977 gchar *content_type,
1978 gchar *content_encoding,
1979 gchar *content_description,
1981 gchar *content_disposition,
1982 gchar *content_location,
1983 const gchar *original_msgid,
1984 const gchar *disposition_notification_hdr,
1985 const gchar *filename,
1988 gboolean short_scan)
1991 MimeParser *parser = NULL;
1992 gboolean parsed = FALSE;
1995 /* Create MimeInfo */
1996 mimeinfo = procmime_mimeinfo_new();
1997 mimeinfo->content = MIMECONTENT_FILE;
1999 if (parent != NULL) {
2000 if (g_node_depth(parent->node) > 32) {
2001 /* 32 is an arbitrary value
2002 * this avoids DOSsing ourselves
2003 * with enormous messages
2005 procmime_mimeinfo_free_all(mimeinfo);
2008 g_node_append(parent->node, mimeinfo->node);
2010 mimeinfo->data.filename = g_strdup(filename);
2011 mimeinfo->offset = offset;
2012 mimeinfo->length = length;
2014 if (content_type != NULL) {
2015 procmime_parse_content_type(content_type, mimeinfo);
2017 mimeinfo->type = MIMETYPE_TEXT;
2018 mimeinfo->subtype = g_strdup("plain");
2019 if (g_hash_table_lookup(mimeinfo->typeparameters,
2020 "charset") == NULL) {
2021 g_hash_table_insert(mimeinfo->typeparameters,
2022 g_strdup("charset"),
2024 conv_get_locale_charset_str_no_utf8()));
2028 if (content_encoding != NULL) {
2029 procmime_parse_content_encoding(content_encoding, mimeinfo);
2031 mimeinfo->encoding_type = ENC_UNKNOWN;
2034 if (content_description != NULL)
2035 mimeinfo->description = g_strdup(content_description);
2037 mimeinfo->description = NULL;
2039 if (content_id != NULL)
2040 mimeinfo->id = g_strdup(content_id);
2042 mimeinfo->id = NULL;
2044 if (content_location != NULL)
2045 mimeinfo->location = g_strdup(content_location);
2047 mimeinfo->location = NULL;
2049 if (content_disposition != NULL)
2050 procmime_parse_content_disposition(content_disposition, mimeinfo);
2052 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
2054 /* Call parser for mime type */
2055 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
2056 parsed = procmime_mimeparser_parse(parser, mimeinfo);
2059 switch (mimeinfo->type) {
2061 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2066 case MIMETYPE_MESSAGE:
2067 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2068 procmime_parse_message_rfc822(mimeinfo, short_scan);
2070 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2071 procmime_parse_disposition_notification(mimeinfo,
2072 original_msgid, disposition_notification_hdr, short_scan);
2076 case MIMETYPE_MULTIPART:
2077 procmime_parse_multipart(mimeinfo, short_scan);
2080 case MIMETYPE_APPLICATION:
2081 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2082 && original_msgid && *original_msgid
2083 && disposition_notification_hdr && *disposition_notification_hdr) {
2084 procmime_parse_disposition_notification(mimeinfo,
2085 original_msgid, disposition_notification_hdr, short_scan);
2096 static gchar *typenames[] = {
2107 static gboolean output_func(GNode *node, gpointer data)
2110 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2112 depth = g_node_depth(node);
2113 for (i = 0; i < depth; i++)
2115 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2120 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2122 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2125 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2130 g_stat(filename, &buf);
2132 mimeinfo = procmime_mimeinfo_new();
2133 mimeinfo->content = MIMECONTENT_FILE;
2134 mimeinfo->encoding_type = ENC_UNKNOWN;
2135 mimeinfo->type = MIMETYPE_MESSAGE;
2136 mimeinfo->subtype = g_strdup("rfc822");
2137 mimeinfo->data.filename = g_strdup(filename);
2138 mimeinfo->offset = offset;
2139 mimeinfo->length = buf.st_size - offset;
2141 procmime_parse_message_rfc822(mimeinfo, short_scan);
2142 if (debug_get_mode())
2143 output_mime_structure(mimeinfo, 0);
2148 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2152 cm_return_val_if_fail(filename != NULL, NULL);
2154 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2159 MimeInfo *procmime_scan_file(const gchar *filename)
2161 return procmime_scan_file_full(filename, FALSE);
2164 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2166 return procmime_scan_file_full(filename, TRUE);
2169 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2173 gchar buf[BUFFSIZE];
2176 cm_return_val_if_fail(filename != NULL, NULL);
2179 if ((fp = procmime_fopen(filename, "rb")) == NULL)
2181 /* Skip queue header */
2182 while (SC_FGETS(buf, sizeof(buf), fp) != NULL) {
2184 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2185 strlen("X-Claws-End-Special-Headers:"))) ||
2186 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2187 strlen("X-Sylpheed-End-Special-Headers:"))))
2190 if (buf[0] == '\r' || buf[0] == '\n') break;
2191 /* from other mailers */
2192 if (!strncmp(buf, "Date: ", 6)
2193 || !strncmp(buf, "To: ", 4)
2194 || !strncmp(buf, "From: ", 6)
2195 || !strncmp(buf, "Subject: ", 9)) {
2201 procmime_fclose(fp);
2203 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2208 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2210 return procmime_scan_queue_file_full(filename, FALSE);
2213 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2215 return procmime_scan_queue_file_full(filename, TRUE);
2220 ENC_AS_QUOTED_STRING,
2225 typedef struct _ParametersData {
2231 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2234 gchar *val = value, *valpos, *tmp;
2235 ParametersData *pdata = (ParametersData *)user_data;
2236 GString *buf = g_string_new("");
2239 EncodeAs encas = ENC_AS_TOKEN;
2241 for (valpos = val; *valpos != 0; valpos++) {
2242 if (!IS_ASCII(*valpos)) {
2243 encas = ENC_AS_ENCWORD;
2248 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2249 encas = ENC_AS_QUOTED_STRING;
2253 /* tspecials + SPACE */
2271 encas = ENC_AS_QUOTED_STRING;
2278 g_string_append_printf(buf, "%s=%s", param, val);
2281 case ENC_AS_QUOTED_STRING:
2282 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2285 #if 0 /* we don't use that for now */
2286 case ENC_AS_EXTENDED:
2287 if (!g_utf8_validate(val, -1, NULL))
2288 g_string_append_printf(buf, "%s*=%s''", param,
2289 conv_get_locale_charset_str());
2291 g_string_append_printf(buf, "%s*=%s''", param,
2293 for (valpos = val; *valpos != '\0'; valpos++) {
2294 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2295 g_string_append_printf(buf, "%c", *valpos);
2297 gchar hexstr[3] = "XX";
2298 get_hex_str(hexstr, *valpos);
2299 g_string_append_printf(buf, "%%%s", hexstr);
2304 case ENC_AS_EXTENDED:
2305 debug_print("Unhandled ENC_AS_EXTENDED.");
2308 case ENC_AS_ENCWORD:
2309 len = MAX(strlen(val)*6, 512);
2310 tmp = g_malloc(len+1);
2311 codeconv_set_strict(TRUE);
2312 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2313 prefs_common.outgoing_charset);
2314 codeconv_set_strict(FALSE);
2315 if (!tmp || !*tmp) {
2316 codeconv_set_strict(TRUE);
2317 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2318 conv_get_outgoing_charset_str());
2319 codeconv_set_strict(FALSE);
2321 if (!tmp || !*tmp) {
2322 codeconv_set_strict(TRUE);
2323 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2325 codeconv_set_strict(FALSE);
2327 if (!tmp || !*tmp) {
2328 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2331 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2337 if (buf->str && strlen(buf->str)) {
2338 tmp = strstr(buf->str, "\n");
2340 len = (tmp - buf->str);
2342 len = strlen(buf->str);
2343 if (pdata->len + len > 76) {
2344 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2345 pdata->error = TRUE;
2346 pdata->len = strlen(buf->str) + 1;
2348 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2349 pdata->error = TRUE;
2350 pdata->len += strlen(buf->str) + 2;
2353 g_string_free(buf, TRUE);
2356 #define TRY(func) { \
2362 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2364 struct TypeTable *type_table;
2365 ParametersData *pdata = g_new0(ParametersData, 1);
2366 debug_print("procmime_write_mime_header\n");
2369 pdata->error = FALSE;
2370 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2371 if (mimeinfo->type == type_table->type) {
2372 gchar *buf = g_strdup_printf(
2373 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2374 if (fprintf(fp, "%s", buf) < 0) {
2379 pdata->len = strlen(buf);
2383 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2384 if (pdata->error == TRUE) {
2390 TRY(fprintf(fp, "\n") >= 0);
2392 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2393 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2395 if (mimeinfo->description != NULL)
2396 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2398 if (mimeinfo->id != NULL)
2399 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2401 if (mimeinfo->location != NULL)
2402 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2404 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2405 ParametersData *pdata = g_new0(ParametersData, 1);
2407 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2408 buf = g_strdup("Content-Disposition: inline");
2409 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2410 buf = g_strdup("Content-Disposition: attachment");
2412 buf = g_strdup("Content-Disposition: unknown");
2414 if (fprintf(fp, "%s", buf) < 0) {
2419 pdata->len = strlen(buf);
2423 pdata->error = FALSE;
2424 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2425 if (pdata->error == TRUE) {
2430 TRY(fprintf(fp, "\n") >= 0);
2433 TRY(fprintf(fp, "\n") >= 0);
2438 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2443 gchar buf[BUFFSIZE];
2444 gboolean skip = FALSE;;
2447 debug_print("procmime_write_message_rfc822\n");
2450 switch (mimeinfo->content) {
2451 case MIMECONTENT_FILE:
2452 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2453 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2456 fseek(infp, mimeinfo->offset, SEEK_SET);
2457 while (SC_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 (SC_FWRITE(buf, sizeof(gchar), len, fp) < len) {
2475 g_warning("failed to dump %zd bytes from file", len);
2476 procmime_fclose(infp);
2481 procmime_fclose(infp);
2484 case MIMECONTENT_MEM:
2485 len = strlen(mimeinfo->data.mem);
2486 if (SC_FWRITE(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2487 g_warning("failed to dump %zd 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 = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2526 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2529 fseek(infp, mimeinfo->offset, SEEK_SET);
2530 while (SC_FGETS(buf, sizeof(buf), infp) == buf) {
2531 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2534 if (SC_FWRITE(buf, sizeof(gchar), len, fp) < len) {
2535 g_warning("failed to write %zd", len);
2536 procmime_fclose(infp);
2540 procmime_fclose(infp);
2543 case MIMECONTENT_MEM:
2544 str = g_strdup(mimeinfo->data.mem);
2545 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2546 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2549 if (SC_FWRITE(str, sizeof(gchar), len, fp) < len) {
2550 g_warning("failed to write %zd from mem", len);
2561 childnode = mimeinfo->node->children;
2562 firstboundary = TRUE;
2563 while (childnode != NULL) {
2564 MimeInfo *child = childnode->data;
2567 firstboundary = FALSE;
2569 TRY(fprintf(fp, "\n") >= 0);
2571 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2573 if (procmime_write_mime_header(child, fp) < 0)
2575 if (procmime_write_mimeinfo(child, fp) < 0)
2578 childnode = g_node_next_sibling(childnode);
2580 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2585 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2589 debug_print("procmime_write_mimeinfo\n");
2591 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2592 switch (mimeinfo->content) {
2593 case MIMECONTENT_FILE:
2594 if ((infp = procmime_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2595 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2598 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2599 procmime_fclose(infp);
2602 case MIMECONTENT_MEM:
2603 len = strlen(mimeinfo->data.mem);
2604 if (SC_FWRITE(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2612 /* Call writer for mime type */
2613 switch (mimeinfo->type) {
2614 case MIMETYPE_MESSAGE:
2615 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2616 return procmime_write_message_rfc822(mimeinfo, fp);
2620 case MIMETYPE_MULTIPART:
2621 return procmime_write_multipart(mimeinfo, fp);
2633 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2637 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2638 base = g_strdup("mimetmp.html");
2640 const gchar *basetmp;
2643 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2644 if (basetmp == NULL)
2645 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2646 if (basetmp == NULL)
2647 basetmp = "mimetmp";
2648 basename = g_path_get_basename(basetmp);
2649 if (*basename == '\0') {
2651 basename = g_strdup("mimetmp");
2653 base = conv_filename_from_utf8(basename);
2655 subst_for_shellsafe_filename(base);