2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2009 Hiroyuki Yamamoto & The Claws Mail Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include <glib/gi18n.h>
35 #include <sys/types.h>
41 #include "procheader.h"
43 #include "quoted-printable.h"
50 #include "prefs_common.h"
51 #include "prefs_gtk.h"
52 #include "alertpanel.h"
55 static GHashTable *procmime_get_mime_type_table (void);
56 static MimeInfo *procmime_scan_file_short(const gchar *filename);
57 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
58 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
60 MimeInfo *procmime_mimeinfo_new(void)
64 mimeinfo = g_new0(MimeInfo, 1);
65 mimeinfo->content = MIMECONTENT_EMPTY;
66 mimeinfo->data.filename = NULL;
68 mimeinfo->type = MIMETYPE_UNKNOWN;
69 mimeinfo->encoding_type = ENC_UNKNOWN;
70 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
72 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
73 mimeinfo->dispositionparameters
74 = g_hash_table_new(g_str_hash, g_str_equal);
76 mimeinfo->node = g_node_new(mimeinfo);
81 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
89 static gchar *forced_charset = NULL;
91 void procmime_force_charset(const gchar *str)
93 g_free(forced_charset);
94 forced_charset = NULL;
96 forced_charset = g_strdup(str);
99 static EncodingType forced_encoding = 0;
101 void procmime_force_encoding(EncodingType encoding)
103 forced_encoding = encoding;
106 static gboolean free_func(GNode *node, gpointer data)
108 MimeInfo *mimeinfo = (MimeInfo *) node->data;
110 switch (mimeinfo->content) {
111 case MIMECONTENT_FILE:
113 claws_unlink(mimeinfo->data.filename);
114 g_free(mimeinfo->data.filename);
117 case MIMECONTENT_MEM:
119 g_free(mimeinfo->data.mem);
124 g_free(mimeinfo->subtype);
125 g_free(mimeinfo->description);
126 g_free(mimeinfo->id);
127 g_free(mimeinfo->location);
129 g_hash_table_foreach_remove(mimeinfo->typeparameters,
130 procmime_mimeinfo_parameters_destroy, NULL);
131 g_hash_table_destroy(mimeinfo->typeparameters);
132 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
133 procmime_mimeinfo_parameters_destroy, NULL);
134 g_hash_table_destroy(mimeinfo->dispositionparameters);
136 if (mimeinfo->privacy)
137 privacy_free_privacydata(mimeinfo->privacy);
144 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
151 node = mimeinfo->node;
152 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
154 g_node_destroy(node);
157 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
159 cm_return_val_if_fail(mimeinfo != NULL, NULL);
160 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
162 if (mimeinfo->node->parent == NULL)
164 return (MimeInfo *) mimeinfo->node->parent->data;
167 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
169 cm_return_val_if_fail(mimeinfo != NULL, NULL);
170 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
172 if (mimeinfo->node->children)
173 return (MimeInfo *) mimeinfo->node->children->data;
174 if (mimeinfo->node->next)
175 return (MimeInfo *) mimeinfo->node->next->data;
177 if (mimeinfo->node->parent == NULL)
180 while (mimeinfo->node->parent != NULL) {
181 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
182 if (mimeinfo->node->next)
183 return (MimeInfo *) mimeinfo->node->next->data;
189 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
194 filename = procmsg_get_message_file_path(msginfo);
195 if (!filename || !is_file_exist(filename)) {
200 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
201 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
202 mimeinfo = procmime_scan_file(filename);
204 mimeinfo = procmime_scan_queue_file(filename);
211 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
216 filename = procmsg_get_message_file_path(msginfo);
217 if (!filename || !is_file_exist(filename)) {
222 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
223 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
224 mimeinfo = procmime_scan_file_short(filename);
226 mimeinfo = procmime_scan_queue_file_short(filename);
234 H_CONTENT_TRANSFER_ENCODING = 0,
236 H_CONTENT_DISPOSITION = 2,
237 H_CONTENT_DESCRIPTION = 3,
241 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
245 cm_return_val_if_fail(mimeinfo != NULL, NULL);
246 cm_return_val_if_fail(name != NULL, NULL);
248 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
250 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
255 #define FLUSH_LASTLINE() { \
256 if (*lastline != '\0') { \
258 strretchomp(lastline); \
259 llen = strlen(lastline); \
260 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
261 /* this is flowed */ \
263 lastline[llen-1] = '\0'; \
264 if (fputs(lastline, outfp) == EOF) \
267 if (fputs(lastline, outfp) == EOF) \
269 if (fputs("\n", outfp) == EOF) \
273 strcpy(lastline, buf); \
276 gboolean procmime_decode_content(MimeInfo *mimeinfo)
283 gboolean tmp_file = FALSE;
284 gboolean flowed = FALSE;
285 gboolean delsp = FALSE;
286 gboolean err = FALSE;
288 EncodingType encoding = forced_encoding
290 : mimeinfo->encoding_type;
291 gchar lastline[BUFFSIZE];
292 memset(lastline, 0, BUFFSIZE);
294 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
296 if (prefs_common.respect_flowed_format &&
297 mimeinfo->type == MIMETYPE_TEXT &&
298 !strcasecmp(mimeinfo->subtype, "plain")) {
299 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
300 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
303 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
304 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
309 encoding == ENC_UNKNOWN ||
310 encoding == ENC_BINARY ||
311 encoding == ENC_7BIT ||
316 infp = g_fopen(mimeinfo->data.filename, "rb");
321 fseek(infp, mimeinfo->offset, SEEK_SET);
323 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
330 readend = mimeinfo->offset + mimeinfo->length;
332 if (encoding == ENC_QUOTED_PRINTABLE) {
333 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
335 len = qp_decode_line(buf);
338 if (fwrite(buf, 1, len, outfp) < len)
346 } else if (encoding == ENC_BASE64) {
347 gchar outbuf[BUFFSIZE];
349 Base64Decoder *decoder;
350 gboolean got_error = FALSE;
351 gboolean uncanonicalize = FALSE;
353 gboolean null_bytes = FALSE;
355 if (mimeinfo->type == MIMETYPE_TEXT ||
356 mimeinfo->type == MIMETYPE_MESSAGE) {
357 uncanonicalize = TRUE;
358 tmpfp = my_tmpfile();
361 if (tmp_file) fclose(outfp);
367 decoder = base64_decoder_new();
368 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
369 len = base64_decoder_decode(decoder, buf, outbuf);
370 if (uncanonicalize == TRUE && strlen(outbuf) < len) {
371 uncanonicalize = FALSE;
374 if (len < 0 && !got_error) {
375 g_warning("Bad BASE64 content.\n");
376 if (fwrite(_("[Error decoding BASE64]\n"),
378 strlen(_("[Error decoding BASE64]\n")),
379 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
380 g_warning("error decoding BASE64");
383 } else if (len >= 0) {
384 /* print out the error message only once
387 /* we won't uncanonicalize, output to outfp directly */
388 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
391 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
397 base64_decoder_free(decoder);
399 if (uncanonicalize) {
401 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
403 if (fputs(buf, outfp) == EOF)
408 } else if (encoding == ENC_X_UUENCODE) {
409 gchar outbuf[BUFFSIZE];
411 gboolean flag = FALSE;
413 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
414 if (!flag && strncmp(buf,"begin ", 6)) continue;
417 len = fromuutobits(outbuf, buf);
420 g_warning("Bad UUENCODE content(%d)\n", len);
423 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
429 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
431 if (fputs(buf, outfp) == EOF)
440 g_warning("write error");
450 g_stat(tmpfilename, &statbuf);
451 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
452 claws_unlink(mimeinfo->data.filename);
453 g_free(mimeinfo->data.filename);
454 mimeinfo->data.filename = tmpfilename;
455 mimeinfo->tmp = TRUE;
456 mimeinfo->offset = 0;
457 mimeinfo->length = statbuf.st_size;
458 mimeinfo->encoding_type = ENC_BINARY;
463 #define B64_LINE_SIZE 57
464 #define B64_BUFFSIZE 77
466 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
468 FILE *infp = NULL, *outfp;
472 gboolean err = FALSE;
474 if (mimeinfo->content == MIMECONTENT_EMPTY)
477 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
478 mimeinfo->encoding_type != ENC_BINARY &&
479 mimeinfo->encoding_type != ENC_7BIT &&
480 mimeinfo->encoding_type != ENC_8BIT)
481 if(!procmime_decode_content(mimeinfo))
484 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
490 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
491 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
492 g_warning("Can't open file %s\n", mimeinfo->data.filename);
496 } else if (mimeinfo->content == MIMECONTENT_MEM) {
497 infp = str_open_as_stream(mimeinfo->data.mem);
504 if (encoding == ENC_BASE64) {
505 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
507 gchar *tmp_file = NULL;
509 if (mimeinfo->type == MIMETYPE_TEXT ||
510 mimeinfo->type == MIMETYPE_MESSAGE) {
511 if (mimeinfo->content == MIMECONTENT_FILE) {
512 tmp_file = get_tmp_file();
513 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
519 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
520 FILE_OP_ERROR(tmp_file, "fopen");
521 claws_unlink(tmp_file);
528 gchar *out = canonicalize_str(mimeinfo->data.mem);
530 infp = str_open_as_stream(out);
540 while ((len = fread(inbuf, sizeof(gchar),
541 B64_LINE_SIZE, tmp_fp))
543 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
544 if (fputs(outbuf, outfp) == EOF)
546 if (fputc('\n', outfp) == EOF)
549 if (len > 0 && feof(tmp_fp)) {
550 base64_encode(outbuf, inbuf, len);
551 if (fputs(outbuf, outfp) == EOF)
553 if (fputc('\n', outfp) == EOF)
559 claws_unlink(tmp_file);
562 } else if (encoding == ENC_QUOTED_PRINTABLE) {
563 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
565 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
566 qp_encode_line(outbuf, inbuf);
568 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
569 gchar *tmpbuf = outbuf;
571 tmpbuf += sizeof("From ")-1;
573 if (fputs("=46rom ", outfp) == EOF)
575 if (fputs(tmpbuf, outfp) == EOF)
578 if (fputs(outbuf, outfp) == EOF)
585 while (fgets(buf, sizeof(buf), infp) != NULL) {
587 if (fputs(buf, outfp) == EOF)
598 if (mimeinfo->content == MIMECONTENT_FILE) {
599 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
600 claws_unlink(mimeinfo->data.filename);
601 g_free(mimeinfo->data.filename);
602 } else if (mimeinfo->content == MIMECONTENT_MEM) {
603 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
604 g_free(mimeinfo->data.mem);
607 g_stat(tmpfilename, &statbuf);
608 mimeinfo->content = MIMECONTENT_FILE;
609 mimeinfo->data.filename = tmpfilename;
610 mimeinfo->tmp = TRUE;
611 mimeinfo->offset = 0;
612 mimeinfo->length = statbuf.st_size;
613 mimeinfo->encoding_type = encoding;
618 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
622 gint restlength, readlength;
623 gint saved_errno = 0;
625 cm_return_val_if_fail(outfile != NULL, -1);
626 cm_return_val_if_fail(mimeinfo != NULL, -1);
628 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
631 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
633 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
634 return -(saved_errno);
636 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
638 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
640 return -(saved_errno);
642 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
644 FILE_OP_ERROR(outfile, "fopen");
646 return -(saved_errno);
649 restlength = mimeinfo->length;
651 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
652 if (fwrite(buf, 1, readlength, outfp) != readlength) {
655 return -(saved_errno);
657 restlength -= readlength;
661 if (fclose(outfp) == EOF) {
663 FILE_OP_ERROR(outfile, "fclose");
664 claws_unlink(outfile);
665 return -(saved_errno);
671 static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
674 const gchar *src_codeset;
675 gboolean conv_fail = FALSE;
679 gboolean err = FALSE;
681 cm_return_val_if_fail(mimeinfo != NULL, NULL);
683 if (!procmime_decode_content(mimeinfo))
686 tmpfile = procmime_get_tmp_file_name(mimeinfo);
690 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
695 tmpfp = g_fopen(tmpfile, "rb");
701 if ((outfp = my_tmpfile()) == NULL) {
708 src_codeset = forced_charset
710 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
712 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
713 src_codeset = CS_WINDOWS_1252;
715 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
716 SC_HTMLParser *parser;
719 conv = conv_code_converter_new(src_codeset);
720 parser = sc_html_parser_new(tmpfp, conv);
721 while ((str = sc_html_parse(parser)) != NULL) {
722 if (fputs(str, outfp) == EOF)
725 sc_html_parser_destroy(parser);
726 conv_code_converter_destroy(conv);
727 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
731 conv = conv_code_converter_new(src_codeset);
732 parser = ertf_parser_new(tmpfp, conv);
733 while ((str = ertf_parse(parser)) != NULL) {
734 if (fputs(str, outfp) == EOF)
737 ertf_parser_destroy(parser);
738 conv_code_converter_destroy(conv);
739 } else if (mimeinfo->type == MIMETYPE_TEXT) {
740 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
741 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
743 if (fputs(str, outfp) == EOF)
748 if (fputs(buf, outfp) == EOF)
755 g_warning("procmime_get_text_content(): Code conversion failed.\n");
759 claws_unlink(tmpfile);
770 /* search the first text part of (multipart) MIME message,
771 decode, convert it and output to outfp. */
772 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
775 MimeInfo *mimeinfo, *partinfo;
776 gboolean empty_ok = FALSE, short_scan = TRUE;
778 cm_return_val_if_fail(msginfo != NULL, NULL);
780 /* first we try to short-scan (for speed), refusing empty parts */
783 mimeinfo = procmime_scan_message_short(msginfo);
785 mimeinfo = procmime_scan_message(msginfo);
786 if (!mimeinfo) return NULL;
789 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
790 (partinfo->length == 0 && !empty_ok))) {
791 partinfo = procmime_mimeinfo_next(partinfo);
794 outfp = procmime_get_text_content(partinfo);
795 else if (!empty_ok && short_scan) {
796 /* if short scan didn't find a non-empty part, rescan
797 * fully for non-empty parts
800 procmime_mimeinfo_free_all(mimeinfo);
802 } else if (!empty_ok && !short_scan) {
803 /* if full scan didn't find a non-empty part, rescan
804 * accepting empty parts
807 procmime_mimeinfo_free_all(mimeinfo);
810 procmime_mimeinfo_free_all(mimeinfo);
816 static gboolean find_encrypted_func(GNode *node, gpointer data)
818 MimeInfo *mimeinfo = (MimeInfo *) node->data;
819 MimeInfo **encinfo = (MimeInfo **) data;
821 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
829 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
831 MimeInfo *encinfo = NULL;
833 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
834 find_encrypted_func, &encinfo);
839 /* search the first encrypted text part of (multipart) MIME message,
840 decode, convert it and output to outfp. */
841 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
844 MimeInfo *mimeinfo, *partinfo, *encinfo;
846 cm_return_val_if_fail(msginfo != NULL, NULL);
848 mimeinfo = procmime_scan_message(msginfo);
854 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
855 debug_print("decrypting message part\n");
856 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
857 alertpanel_error(_("Couldn't decrypt: %s"),
858 privacy_get_error());
863 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
864 partinfo = procmime_mimeinfo_next(partinfo);
865 if (privacy_mimeinfo_is_signed(partinfo))
866 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
870 outfp = procmime_get_text_content(partinfo);
872 procmime_mimeinfo_free_all(mimeinfo);
877 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
879 MimeInfo *mimeinfo, *partinfo;
880 gboolean result = FALSE;
882 cm_return_val_if_fail(msginfo != NULL, FALSE);
884 mimeinfo = procmime_scan_message(msginfo);
890 result = (find_encrypted_part(partinfo) != NULL);
891 procmime_mimeinfo_free_all(mimeinfo);
896 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
897 const gchar *str, StrFindFunc find_func)
902 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
903 cm_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
904 cm_return_val_if_fail(str != NULL, FALSE);
905 cm_return_val_if_fail(find_func != NULL, FALSE);
907 outfp = procmime_get_text_content(mimeinfo);
912 while (fgets(buf, sizeof(buf), outfp) != NULL) {
914 if (find_func(buf, str)) {
925 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
926 StrFindFunc find_func)
931 gboolean found = FALSE;
933 cm_return_val_if_fail(msginfo != NULL, FALSE);
934 cm_return_val_if_fail(str != NULL, FALSE);
935 cm_return_val_if_fail(find_func != NULL, FALSE);
937 filename = procmsg_get_message_file(msginfo);
938 if (!filename) return FALSE;
939 mimeinfo = procmime_scan_message(msginfo);
941 for (partinfo = mimeinfo; partinfo != NULL;
942 partinfo = procmime_mimeinfo_next(partinfo)) {
943 if (partinfo->type == MIMETYPE_TEXT) {
944 if (procmime_find_string_part
945 (partinfo, filename, str, find_func) == TRUE) {
952 procmime_mimeinfo_free_all(mimeinfo);
958 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
960 static guint32 id = 0;
965 cm_return_val_if_fail(mimeinfo != NULL, NULL);
967 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
969 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
970 base = g_strdup("mimetmp.html");
972 const gchar *basetmp;
974 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
976 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
979 basetmp = g_path_get_basename(basetmp);
980 if (*basetmp == '\0')
981 basetmp = g_strdup("mimetmp");
982 base = conv_filename_from_utf8(basetmp);
983 g_free((gchar*)basetmp);
984 subst_for_shellsafe_filename(base);
987 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
988 f_prefix, base, NULL);
995 static GList *mime_type_list = NULL;
997 gchar *procmime_get_mime_type(const gchar *filename)
1003 static GHashTable *mime_type_table = NULL;
1004 MimeType *mime_type;
1006 if (!mime_type_table) {
1007 mime_type_table = procmime_get_mime_type_table();
1008 if (!mime_type_table) return NULL;
1012 if (filename == NULL)
1015 base = g_path_get_basename(filename);
1016 if ((p = strrchr(base, '.')) != NULL)
1017 ext = g_utf8_strdown(p + 1, -1);
1021 mime_type = g_hash_table_lookup(mime_type_table, ext);
1025 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1027 debug_print("got type %s for %s\n", str, ext);
1033 gchar *str = get_content_type_from_registry_with_ext(ext);
1040 static guint procmime_str_hash(gconstpointer gptr)
1042 guint hash_result = 0;
1045 for (str = gptr; str && *str; str++) {
1046 if (isupper(*str)) hash_result += (*str + ' ');
1047 else hash_result += *str;
1053 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1055 const char *str1 = gptr1;
1056 const char *str2 = gptr2;
1058 return !g_utf8_collate(str1, str2);
1061 static GHashTable *procmime_get_mime_type_table(void)
1063 GHashTable *table = NULL;
1065 MimeType *mime_type;
1068 if (!mime_type_list) {
1069 mime_type_list = procmime_get_mime_type_list();
1070 if (!mime_type_list) return NULL;
1073 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1075 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1079 mime_type = (MimeType *)cur->data;
1081 if (!mime_type->extension) continue;
1083 exts = g_strsplit(mime_type->extension, " ", 16);
1084 for (i = 0; exts[i] != NULL; i++) {
1085 /* use previously dup'd key on overwriting */
1086 if (g_hash_table_lookup(table, exts[i]))
1089 key = g_strdup(exts[i]);
1090 g_hash_table_insert(table, key, mime_type);
1098 GList *procmime_get_mime_type_list(void)
1102 gchar buf[BUFFSIZE];
1105 MimeType *mime_type;
1106 gboolean fp_is_glob_file = TRUE;
1109 return mime_type_list;
1111 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1112 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1114 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1117 fp_is_glob_file = FALSE;
1118 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1119 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1121 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1128 while (fgets(buf, sizeof(buf), fp) != NULL) {
1129 p = strchr(buf, '#');
1135 if (fp_is_glob_file) {
1136 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1138 while (*p && !g_ascii_isspace(*p)) p++;
1145 delim = strchr(buf, '/');
1146 if (delim == NULL) continue;
1149 mime_type = g_new(MimeType, 1);
1150 mime_type->type = g_strdup(buf);
1151 mime_type->sub_type = g_strdup(delim + 1);
1153 if (fp_is_glob_file) {
1154 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1156 while (*p && g_ascii_isspace(*p)) p++;
1160 mime_type->extension = g_utf8_strdown(p, -1);
1162 mime_type->extension = NULL;
1164 list = g_list_append(list, mime_type);
1170 g_warning("Can't read mime.types\n");
1175 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1179 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1180 !g_ascii_strcasecmp(charset, "US-ASCII"))
1182 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1183 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1184 !g_ascii_strcasecmp(charset, "Windows-1251"))
1186 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1187 return ENC_QUOTED_PRINTABLE;
1188 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1189 return ENC_QUOTED_PRINTABLE;
1194 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1197 guchar buf[BUFFSIZE];
1199 size_t octet_chars = 0;
1200 size_t total_len = 0;
1201 gfloat octet_percentage;
1202 gboolean force_b64 = FALSE;
1204 if ((fp = g_fopen(file, "rb")) == NULL) {
1205 FILE_OP_ERROR(file, "fopen");
1209 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1213 for (p = buf, i = 0; i < len; ++p, ++i) {
1227 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1229 octet_percentage = 0.0;
1231 debug_print("procmime_get_encoding_for_text_file(): "
1232 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1233 100.0 * octet_percentage);
1235 if (octet_percentage > 0.20 || force_b64) {
1236 debug_print("using BASE64\n");
1238 } else if (octet_chars > 0) {
1239 debug_print("using quoted-printable\n");
1240 return ENC_QUOTED_PRINTABLE;
1242 debug_print("using 7bit\n");
1247 struct EncodingTable
1250 EncodingType enc_type;
1253 struct EncodingTable encoding_table[] = {
1256 {"binary", ENC_BINARY},
1257 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1258 {"base64", ENC_BASE64},
1259 {"x-uuencode", ENC_UNKNOWN},
1260 {NULL, ENC_UNKNOWN},
1263 const gchar *procmime_get_encoding_str(EncodingType encoding)
1265 struct EncodingTable *enc_table;
1267 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1268 if (enc_table->enc_type == encoding)
1269 return enc_table->str;
1274 /* --- NEW MIME STUFF --- */
1281 static struct TypeTable mime_type_table[] = {
1282 {"text", MIMETYPE_TEXT},
1283 {"image", MIMETYPE_IMAGE},
1284 {"audio", MIMETYPE_AUDIO},
1285 {"video", MIMETYPE_VIDEO},
1286 {"application", MIMETYPE_APPLICATION},
1287 {"message", MIMETYPE_MESSAGE},
1288 {"multipart", MIMETYPE_MULTIPART},
1292 const gchar *procmime_get_media_type_str(MimeMediaType type)
1294 struct TypeTable *type_table;
1296 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1297 if (type_table->type == type)
1298 return type_table->str;
1303 MimeMediaType procmime_get_media_type(const gchar *str)
1305 struct TypeTable *typetablearray;
1307 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1308 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1309 return typetablearray->type;
1311 return MIMETYPE_UNKNOWN;
1315 *\brief Safe wrapper for content type string.
1317 *\return const gchar * Pointer to content type string.
1319 gchar *procmime_get_content_type_str(MimeMediaType type,
1320 const char *subtype)
1322 const gchar *type_str = NULL;
1324 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1325 return g_strdup("unknown");
1326 return g_strdup_printf("%s/%s", type_str, subtype);
1329 static int procmime_parse_mimepart(MimeInfo *parent,
1330 gchar *content_type,
1331 gchar *content_encoding,
1332 gchar *content_description,
1334 gchar *content_disposition,
1335 gchar *content_location,
1336 const gchar *original_msgid,
1337 const gchar *disposition_notification_hdr,
1338 const gchar *filename,
1341 gboolean short_scan);
1343 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1345 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1346 {"Content-Transfer-Encoding:",
1348 {"Content-Description:",
1352 {"Content-Disposition:",
1354 {"Content-Location:",
1358 {"Original-Message-ID:",
1362 {NULL, NULL, FALSE}};
1363 guint content_start, i;
1368 procmime_decode_content(mimeinfo);
1370 fp = g_fopen(mimeinfo->data.filename, "rb");
1372 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1375 fseek(fp, mimeinfo->offset, SEEK_SET);
1376 procheader_get_header_fields(fp, hentry);
1377 if (hentry[0].body != NULL) {
1378 tmp = conv_unmime_header(hentry[0].body, NULL);
1379 g_free(hentry[0].body);
1380 hentry[0].body = tmp;
1382 if (hentry[2].body != NULL) {
1383 tmp = conv_unmime_header(hentry[2].body, NULL);
1384 g_free(hentry[2].body);
1385 hentry[2].body = tmp;
1387 if (hentry[4].body != NULL) {
1388 tmp = conv_unmime_header(hentry[4].body, NULL);
1389 g_free(hentry[4].body);
1390 hentry[4].body = tmp;
1392 if (hentry[5].body != NULL) {
1393 tmp = conv_unmime_header(hentry[5].body, NULL);
1394 g_free(hentry[5].body);
1395 hentry[5].body = tmp;
1397 if (hentry[7].body != NULL) {
1398 tmp = conv_unmime_header(hentry[7].body, NULL);
1399 g_free(hentry[7].body);
1400 hentry[7].body = tmp;
1402 if (hentry[8].body != NULL) {
1403 tmp = conv_unmime_header(hentry[8].body, NULL);
1404 g_free(hentry[8].body);
1405 hentry[8].body = tmp;
1408 content_start = ftell(fp);
1411 len = mimeinfo->length - (content_start - mimeinfo->offset);
1414 procmime_parse_mimepart(mimeinfo,
1415 hentry[0].body, hentry[1].body,
1416 hentry[2].body, hentry[3].body,
1417 hentry[4].body, hentry[5].body,
1418 hentry[7].body, hentry[8].body,
1419 mimeinfo->data.filename, content_start,
1422 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1423 g_free(hentry[i].body);
1424 hentry[i].body = NULL;
1428 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1429 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1430 gboolean short_scan)
1432 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1433 {"Disposition:", NULL, TRUE},
1434 {NULL, NULL, FALSE}};
1437 gchar *orig_msg_id = NULL;
1440 procmime_decode_content(mimeinfo);
1442 debug_print("parse disposition notification\n");
1443 fp = g_fopen(mimeinfo->data.filename, "rb");
1445 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1448 fseek(fp, mimeinfo->offset, SEEK_SET);
1450 if (original_msgid && disposition_notification_hdr) {
1451 hentry[0].body = g_strdup(original_msgid);
1452 hentry[1].body = g_strdup(disposition_notification_hdr);
1454 procheader_get_header_fields(fp, hentry);
1457 if (!hentry[0].body || !hentry[1].body) {
1458 debug_print("MsgId %s, Disp %s\n",
1459 hentry[0].body ? hentry[0].body:"(nil)",
1460 hentry[1].body ? hentry[1].body:"(nil)");
1464 orig_msg_id = g_strdup(hentry[0].body);
1465 disp = g_strdup(hentry[1].body);
1467 extract_parenthesis(orig_msg_id, '<', '>');
1468 remove_space(orig_msg_id);
1470 if (strstr(disp, "displayed")) {
1471 /* find sent message, if possible */
1472 MsgInfo *info = NULL;
1474 debug_print("%s has been displayed.\n", orig_msg_id);
1475 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1476 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1478 debug_print("skipping folder with no outbox...\n");
1481 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1482 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1484 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1485 procmsg_msginfo_free(info);
1489 g_free(orig_msg_id);
1492 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1493 g_free(hentry[i].body);
1494 hentry[i].body = NULL;
1498 #define GET_HEADERS() { \
1499 procheader_get_header_fields(fp, hentry); \
1500 if (hentry[0].body != NULL) { \
1501 tmp = conv_unmime_header(hentry[0].body, NULL); \
1502 g_free(hentry[0].body); \
1503 hentry[0].body = tmp; \
1505 if (hentry[2].body != NULL) { \
1506 tmp = conv_unmime_header(hentry[2].body, NULL); \
1507 g_free(hentry[2].body); \
1508 hentry[2].body = tmp; \
1510 if (hentry[4].body != NULL) { \
1511 tmp = conv_unmime_header(hentry[4].body, NULL); \
1512 g_free(hentry[4].body); \
1513 hentry[4].body = tmp; \
1515 if (hentry[5].body != NULL) { \
1516 tmp = conv_unmime_header(hentry[5].body, NULL); \
1517 g_free(hentry[5].body); \
1518 hentry[5].body = tmp; \
1520 if (hentry[6].body != NULL) { \
1521 tmp = conv_unmime_header(hentry[6].body, NULL); \
1522 g_free(hentry[6].body); \
1523 hentry[6].body = tmp; \
1525 if (hentry[7].body != NULL) { \
1526 tmp = conv_unmime_header(hentry[7].body, NULL); \
1527 g_free(hentry[7].body); \
1528 hentry[7].body = tmp; \
1532 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1534 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1535 {"Content-Transfer-Encoding:",
1537 {"Content-Description:",
1541 {"Content-Disposition:",
1543 {"Content-Location:",
1545 {"Original-Message-ID:",
1549 {NULL, NULL, FALSE}};
1552 gint boundary_len = 0, lastoffset = -1, i;
1553 gchar buf[BUFFSIZE];
1556 gboolean done = FALSE;
1557 gboolean start_found = FALSE;
1558 gboolean end_found = FALSE;
1560 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1563 boundary_len = strlen(boundary);
1565 procmime_decode_content(mimeinfo);
1567 fp = g_fopen(mimeinfo->data.filename, "rb");
1569 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1573 fseek(fp, mimeinfo->offset, SEEK_SET);
1574 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1575 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1578 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1581 if (lastoffset != -1) {
1582 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1585 result = procmime_parse_mimepart(mimeinfo,
1586 hentry[0].body, hentry[1].body,
1587 hentry[2].body, hentry[3].body,
1588 hentry[4].body, hentry[5].body,
1589 hentry[6].body, hentry[7].body,
1590 mimeinfo->data.filename, lastoffset,
1592 if (result == 1 && short_scan) {
1598 if (buf[2 + boundary_len] == '-' &&
1599 buf[2 + boundary_len + 1] == '-') {
1603 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1604 g_free(hentry[i].body);
1605 hentry[i].body = NULL;
1608 lastoffset = ftell(fp);
1612 if (start_found && !end_found && lastoffset != -1) {
1613 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1616 result = procmime_parse_mimepart(mimeinfo,
1617 hentry[0].body, hentry[1].body,
1618 hentry[2].body, hentry[3].body,
1619 hentry[4].body, hentry[5].body,
1620 hentry[6].body, hentry[7].body,
1621 mimeinfo->data.filename, lastoffset,
1624 mimeinfo->broken = TRUE;
1627 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1628 g_free(hentry[i].body);
1629 hentry[i].body = NULL;
1634 static void parse_parameters(const gchar *parameters, GHashTable *table)
1636 gchar *params, *param, *next;
1637 GSList *convlist = NULL, *concatlist = NULL, *cur;
1639 params = g_strdup(parameters);
1642 for (; next != NULL; param = next) {
1643 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1645 gboolean convert = FALSE;
1647 next = strchr_with_skip_quote(param, '"', ';');
1656 value = strchr(attribute, '=');
1662 while (value[0] == ' ')
1665 down_attr = g_utf8_strdown(attribute, -1);
1666 orig_down_attr = down_attr;
1668 len = down_attr ? strlen(down_attr):0;
1669 if (len > 0 && down_attr[len - 1] == '*') {
1670 gchar *srcpos, *dstpos, *endpos;
1673 down_attr[len - 1] = '\0';
1677 endpos = value + strlen(value);
1678 while (srcpos < endpos) {
1684 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1695 if (value[0] == '"')
1696 extract_quote(value, '"');
1697 else if ((tmp = strchr(value, ' ')) != NULL)
1702 while (down_attr[0] == ' ')
1704 while (down_attr[strlen(down_attr)-1] == ' ')
1705 down_attr[strlen(down_attr)-1] = '\0';
1708 while (value[0] == ' ')
1710 while (value[strlen(value)-1] == ' ')
1711 value[strlen(value)-1] = '\0';
1713 if (down_attr && strrchr(down_attr, '*') != NULL) {
1716 tmpattr = g_strdup(down_attr);
1717 tmp = strrchr(tmpattr, '*');
1720 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1721 (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
1722 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1724 if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
1725 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1728 } else if (convert) {
1729 if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
1730 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1733 if (g_hash_table_lookup(table, down_attr) == NULL)
1734 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1735 g_free(orig_down_attr);
1738 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1739 gchar *attribute, *attrwnum, *partvalue;
1743 attribute = (gchar *) cur->data;
1744 value = g_string_sized_new(64);
1746 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1747 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1748 g_string_append(value, partvalue);
1750 g_hash_table_remove(table, attrwnum);
1753 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1757 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1758 g_string_free(value, TRUE);
1760 slist_free_strings(concatlist);
1761 g_slist_free(concatlist);
1763 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1764 gchar *attribute, *key, *value;
1765 gchar *charset, *lang, *oldvalue, *newvalue;
1767 attribute = (gchar *) cur->data;
1768 if (!g_hash_table_lookup_extended(
1769 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1773 lang = strchr(charset, '\'');
1778 oldvalue = strchr(lang, '\'');
1779 if (oldvalue == NULL)
1784 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1786 g_hash_table_remove(table, attribute);
1790 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1792 slist_free_strings(convlist);
1793 g_slist_free(convlist);
1798 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1800 cm_return_if_fail(content_type != NULL);
1801 cm_return_if_fail(mimeinfo != NULL);
1803 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1804 * if it's not available we use the default Content-Type */
1805 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1806 mimeinfo->type = MIMETYPE_TEXT;
1807 mimeinfo->subtype = g_strdup("plain");
1808 if (g_hash_table_lookup(mimeinfo->typeparameters,
1809 "charset") == NULL) {
1810 g_hash_table_insert(mimeinfo->typeparameters,
1811 g_strdup("charset"),
1813 conv_get_locale_charset_str_no_utf8()));
1816 gchar *type, *subtype, *params;
1818 type = g_strdup(content_type);
1819 subtype = strchr(type, '/') + 1;
1820 *(subtype - 1) = '\0';
1821 if ((params = strchr(subtype, ';')) != NULL) {
1826 mimeinfo->type = procmime_get_media_type(type);
1827 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1829 /* Get mimeinfo->typeparameters */
1831 parse_parameters(params, mimeinfo->typeparameters);
1837 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1839 gchar *tmp, *params;
1841 cm_return_if_fail(content_disposition != NULL);
1842 cm_return_if_fail(mimeinfo != NULL);
1844 tmp = g_strdup(content_disposition);
1845 if ((params = strchr(tmp, ';')) != NULL) {
1851 if (!g_ascii_strcasecmp(tmp, "inline"))
1852 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1853 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1854 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1856 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1859 parse_parameters(params, mimeinfo->dispositionparameters);
1865 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1867 struct EncodingTable *enc_table;
1869 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1870 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1871 mimeinfo->encoding_type = enc_table->enc_type;
1875 mimeinfo->encoding_type = ENC_UNKNOWN;
1879 static GSList *registered_parsers = NULL;
1881 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1884 for (cur = registered_parsers; cur; cur = cur->next) {
1885 MimeParser *parser = (MimeParser *)cur->data;
1886 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1892 void procmime_mimeparser_register(MimeParser *parser)
1894 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1895 registered_parsers = g_slist_append(registered_parsers, parser);
1899 void procmime_mimeparser_unregister(MimeParser *parser)
1901 registered_parsers = g_slist_remove(registered_parsers, parser);
1904 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1906 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1907 return parser->parse(parser, mimeinfo);
1910 static int procmime_parse_mimepart(MimeInfo *parent,
1911 gchar *content_type,
1912 gchar *content_encoding,
1913 gchar *content_description,
1915 gchar *content_disposition,
1916 gchar *content_location,
1917 const gchar *original_msgid,
1918 const gchar *disposition_notification_hdr,
1919 const gchar *filename,
1922 gboolean short_scan)
1925 MimeParser *parser = NULL;
1926 gboolean parsed = FALSE;
1929 /* Create MimeInfo */
1930 mimeinfo = procmime_mimeinfo_new();
1931 mimeinfo->content = MIMECONTENT_FILE;
1933 if (parent != NULL) {
1934 if (g_node_depth(parent->node) > 32) {
1935 /* 32 is an arbitrary value
1936 * this avoids DOSsing ourselves
1937 * with enormous messages
1939 procmime_mimeinfo_free_all(mimeinfo);
1942 g_node_append(parent->node, mimeinfo->node);
1944 mimeinfo->data.filename = g_strdup(filename);
1945 mimeinfo->offset = offset;
1946 mimeinfo->length = length;
1948 if (content_type != NULL) {
1949 procmime_parse_content_type(content_type, mimeinfo);
1951 mimeinfo->type = MIMETYPE_TEXT;
1952 mimeinfo->subtype = g_strdup("plain");
1953 if (g_hash_table_lookup(mimeinfo->typeparameters,
1954 "charset") == NULL) {
1955 g_hash_table_insert(mimeinfo->typeparameters,
1956 g_strdup("charset"),
1958 conv_get_locale_charset_str_no_utf8()));
1962 if (content_encoding != NULL) {
1963 procmime_parse_content_encoding(content_encoding, mimeinfo);
1965 mimeinfo->encoding_type = ENC_UNKNOWN;
1968 if (content_description != NULL)
1969 mimeinfo->description = g_strdup(content_description);
1971 mimeinfo->description = NULL;
1973 if (content_id != NULL)
1974 mimeinfo->id = g_strdup(content_id);
1976 mimeinfo->id = NULL;
1978 if (content_location != NULL)
1979 mimeinfo->location = g_strdup(content_location);
1981 mimeinfo->location = NULL;
1983 if (content_disposition != NULL)
1984 procmime_parse_content_disposition(content_disposition, mimeinfo);
1986 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1988 /* Call parser for mime type */
1989 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1990 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1993 switch (mimeinfo->type) {
1995 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2000 case MIMETYPE_MESSAGE:
2001 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2002 procmime_parse_message_rfc822(mimeinfo, short_scan);
2004 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2005 procmime_parse_disposition_notification(mimeinfo,
2006 original_msgid, disposition_notification_hdr, short_scan);
2010 case MIMETYPE_MULTIPART:
2011 procmime_parse_multipart(mimeinfo, short_scan);
2014 case MIMETYPE_APPLICATION:
2015 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2016 && original_msgid && *original_msgid
2017 && disposition_notification_hdr && *disposition_notification_hdr) {
2018 procmime_parse_disposition_notification(mimeinfo,
2019 original_msgid, disposition_notification_hdr, short_scan);
2030 static gchar *typenames[] = {
2041 static gboolean output_func(GNode *node, gpointer data)
2044 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2046 depth = g_node_depth(node);
2047 for (i = 0; i < depth; i++)
2049 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2054 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2056 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2059 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2064 g_stat(filename, &buf);
2066 mimeinfo = procmime_mimeinfo_new();
2067 mimeinfo->content = MIMECONTENT_FILE;
2068 mimeinfo->encoding_type = ENC_UNKNOWN;
2069 mimeinfo->type = MIMETYPE_MESSAGE;
2070 mimeinfo->subtype = g_strdup("rfc822");
2071 mimeinfo->data.filename = g_strdup(filename);
2072 mimeinfo->offset = offset;
2073 mimeinfo->length = buf.st_size - offset;
2075 procmime_parse_message_rfc822(mimeinfo, short_scan);
2076 if (debug_get_mode())
2077 output_mime_structure(mimeinfo, 0);
2082 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2086 cm_return_val_if_fail(filename != NULL, NULL);
2088 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2093 MimeInfo *procmime_scan_file(const gchar *filename)
2095 return procmime_scan_file_full(filename, FALSE);
2098 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2100 return procmime_scan_file_full(filename, TRUE);
2103 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2107 gchar buf[BUFFSIZE];
2110 cm_return_val_if_fail(filename != NULL, NULL);
2113 if ((fp = g_fopen(filename, "rb")) == NULL)
2115 /* Skip queue header */
2116 while (fgets(buf, sizeof(buf), fp) != NULL) {
2118 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2119 strlen("X-Claws-End-Special-Headers:"))) ||
2120 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2121 strlen("X-Sylpheed-End-Special-Headers:"))))
2124 if (buf[0] == '\r' || buf[0] == '\n') break;
2125 /* from other mailers */
2126 if (!strncmp(buf, "Date: ", 6)
2127 || !strncmp(buf, "To: ", 4)
2128 || !strncmp(buf, "From: ", 6)
2129 || !strncmp(buf, "Subject: ", 9)) {
2137 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2142 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2144 return procmime_scan_queue_file_full(filename, FALSE);
2147 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2149 return procmime_scan_queue_file_full(filename, TRUE);
2154 ENC_AS_QUOTED_STRING,
2159 typedef struct _ParametersData {
2165 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2168 gchar *val = value, *valpos, *tmp;
2169 ParametersData *pdata = (ParametersData *)user_data;
2170 GString *buf = g_string_new("");
2173 EncodeAs encas = ENC_AS_TOKEN;
2175 for (valpos = val; *valpos != 0; valpos++) {
2176 if (!IS_ASCII(*valpos)) {
2177 encas = ENC_AS_ENCWORD;
2182 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2183 encas = ENC_AS_QUOTED_STRING;
2187 /* tspecials + SPACE */
2205 encas = ENC_AS_QUOTED_STRING;
2212 g_string_append_printf(buf, "%s=%s", param, val);
2215 case ENC_AS_QUOTED_STRING:
2216 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2219 #if 0 /* we don't use that for now */
2220 case ENC_AS_EXTENDED:
2221 if (!g_utf8_validate(val, -1, NULL))
2222 g_string_append_printf(buf, "%s*=%s''", param,
2223 conv_get_locale_charset_str());
2225 g_string_append_printf(buf, "%s*=%s''", param,
2227 for (valpos = val; *valpos != '\0'; valpos++) {
2228 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2229 g_string_append_printf(buf, "%c", *valpos);
2231 gchar hexstr[3] = "XX";
2232 get_hex_str(hexstr, *valpos);
2233 g_string_append_printf(buf, "%%%s", hexstr);
2238 case ENC_AS_ENCWORD:
2239 len = MAX(strlen(val)*6, 512);
2240 tmp = g_malloc(len+1);
2241 codeconv_set_strict(TRUE);
2242 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2243 prefs_common.outgoing_charset);
2244 codeconv_set_strict(FALSE);
2245 if (!tmp || !*tmp) {
2246 codeconv_set_strict(TRUE);
2247 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2248 conv_get_outgoing_charset_str());
2249 codeconv_set_strict(FALSE);
2251 if (!tmp || !*tmp) {
2252 codeconv_set_strict(TRUE);
2253 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2255 codeconv_set_strict(FALSE);
2257 if (!tmp || !*tmp) {
2258 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2261 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2267 if (buf->str && strlen(buf->str)) {
2268 tmp = strstr(buf->str, "\n");
2270 len = (tmp - buf->str);
2272 len = strlen(buf->str);
2273 if (pdata->len + len > 76) {
2274 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2275 pdata->error = TRUE;
2276 pdata->len = strlen(buf->str) + 1;
2278 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2279 pdata->error = TRUE;
2280 pdata->len += strlen(buf->str) + 2;
2283 g_string_free(buf, TRUE);
2286 #define TRY(func) { \
2292 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2294 struct TypeTable *type_table;
2295 ParametersData *pdata = g_new0(ParametersData, 1);
2296 debug_print("procmime_write_mime_header\n");
2299 pdata->error = FALSE;
2300 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2301 if (mimeinfo->type == type_table->type) {
2302 gchar *buf = g_strdup_printf(
2303 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2304 if (fprintf(fp, "%s", buf) < 0) {
2309 pdata->len = strlen(buf);
2313 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2314 if (pdata->error == TRUE) {
2320 TRY(fprintf(fp, "\n") >= 0);
2322 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2323 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2325 if (mimeinfo->description != NULL)
2326 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2328 if (mimeinfo->id != NULL)
2329 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2331 if (mimeinfo->location != NULL)
2332 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2334 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2335 ParametersData *pdata = g_new0(ParametersData, 1);
2337 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2338 buf = g_strdup("Content-Disposition: inline");
2339 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2340 buf = g_strdup("Content-Disposition: attachment");
2342 buf = g_strdup("Content-Disposition: unknown");
2344 if (fprintf(fp, "%s", buf) < 0) {
2349 pdata->len = strlen(buf);
2353 pdata->error = FALSE;
2354 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2355 if (pdata->error == TRUE) {
2360 TRY(fprintf(fp, "\n") >= 0);
2363 TRY(fprintf(fp, "\n") >= 0);
2368 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2373 gchar buf[BUFFSIZE];
2374 gboolean skip = FALSE;;
2377 debug_print("procmime_write_message_rfc822\n");
2380 switch (mimeinfo->content) {
2381 case MIMECONTENT_FILE:
2382 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2383 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2386 fseek(infp, mimeinfo->offset, SEEK_SET);
2387 while (fgets(buf, sizeof(buf), infp) == buf) {
2389 if (buf[0] == '\n' && buf[1] == '\0')
2391 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2393 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2394 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2395 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2396 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2397 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2398 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2399 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2404 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2405 g_warning("failed to dump %zd bytes from file", len);
2414 case MIMECONTENT_MEM:
2415 len = strlen(mimeinfo->data.mem);
2416 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2417 g_warning("failed to dump %zd bytes from mem", len);
2426 childnode = mimeinfo->node->children;
2427 if (childnode == NULL)
2430 child = (MimeInfo *) childnode->data;
2431 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2432 g_warning("failed to write mime version");
2435 if (procmime_write_mime_header(child, fp) < 0)
2437 return procmime_write_mimeinfo(child, fp);
2440 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2444 gchar *boundary, *str, *str2;
2445 gchar buf[BUFFSIZE];
2446 gboolean firstboundary;
2449 debug_print("procmime_write_multipart\n");
2451 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2453 switch (mimeinfo->content) {
2454 case MIMECONTENT_FILE:
2455 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2456 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2459 fseek(infp, mimeinfo->offset, SEEK_SET);
2460 while (fgets(buf, sizeof(buf), infp) == buf) {
2461 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2464 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2465 g_warning("failed to write %zd", len);
2473 case MIMECONTENT_MEM:
2474 str = g_strdup(mimeinfo->data.mem);
2475 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2476 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2479 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2480 g_warning("failed to write %zd from mem", len);
2491 childnode = mimeinfo->node->children;
2492 firstboundary = TRUE;
2493 while (childnode != NULL) {
2494 MimeInfo *child = childnode->data;
2497 firstboundary = FALSE;
2499 TRY(fprintf(fp, "\n") >= 0);
2501 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2503 if (procmime_write_mime_header(child, fp) < 0)
2505 if (procmime_write_mimeinfo(child, fp) < 0)
2508 childnode = g_node_next_sibling(childnode);
2510 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2515 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2519 debug_print("procmime_write_mimeinfo\n");
2521 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2522 switch (mimeinfo->content) {
2523 case MIMECONTENT_FILE:
2524 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2525 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2528 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2532 case MIMECONTENT_MEM:
2533 len = strlen(mimeinfo->data.mem);
2534 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2542 /* Call writer for mime type */
2543 switch (mimeinfo->type) {
2544 case MIMETYPE_MESSAGE:
2545 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2546 return procmime_write_message_rfc822(mimeinfo, fp);
2550 case MIMETYPE_MULTIPART:
2551 return procmime_write_multipart(mimeinfo, fp);
2563 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2567 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2568 base = g_strdup("mimetmp.html");
2570 const gchar *basetmp;
2573 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2574 if (basetmp == NULL)
2575 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2576 if (basetmp == NULL)
2577 basetmp = "mimetmp";
2578 basename = g_path_get_basename(basetmp);
2579 if (*basename == '\0') {
2581 basename = g_strdup("mimetmp");
2583 base = conv_filename_from_utf8(basename);
2585 subst_for_shellsafe_filename(base);