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;
354 gboolean starting = TRUE;
356 if (mimeinfo->type == MIMETYPE_TEXT ||
357 mimeinfo->type == MIMETYPE_MESSAGE) {
358 uncanonicalize = TRUE;
359 tmpfp = my_tmpfile();
362 if (tmp_file) fclose(outfp);
368 decoder = base64_decoder_new();
369 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
370 len = base64_decoder_decode(decoder, buf, outbuf);
371 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
372 uncanonicalize = FALSE;
376 if (len < 0 && !got_error) {
377 g_warning("Bad BASE64 content.\n");
378 if (fwrite(_("[Error decoding BASE64]\n"),
380 strlen(_("[Error decoding BASE64]\n")),
381 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
382 g_warning("error decoding BASE64");
385 } else if (len >= 0) {
386 /* print out the error message only once
389 /* we won't uncanonicalize, output to outfp directly */
390 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
393 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
399 base64_decoder_free(decoder);
401 if (uncanonicalize) {
403 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
405 if (fputs(buf, outfp) == EOF)
410 } else if (encoding == ENC_X_UUENCODE) {
411 gchar outbuf[BUFFSIZE];
413 gboolean flag = FALSE;
415 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
416 if (!flag && strncmp(buf,"begin ", 6)) continue;
419 len = fromuutobits(outbuf, buf);
422 g_warning("Bad UUENCODE content(%d)\n", len);
425 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
431 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
433 if (fputs(buf, outfp) == EOF)
442 g_warning("write error");
452 g_stat(tmpfilename, &statbuf);
453 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
454 claws_unlink(mimeinfo->data.filename);
455 g_free(mimeinfo->data.filename);
456 mimeinfo->data.filename = tmpfilename;
457 mimeinfo->tmp = TRUE;
458 mimeinfo->offset = 0;
459 mimeinfo->length = statbuf.st_size;
460 mimeinfo->encoding_type = ENC_BINARY;
465 #define B64_LINE_SIZE 57
466 #define B64_BUFFSIZE 77
468 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
470 FILE *infp = NULL, *outfp;
474 gboolean err = FALSE;
476 if (mimeinfo->content == MIMECONTENT_EMPTY)
479 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
480 mimeinfo->encoding_type != ENC_BINARY &&
481 mimeinfo->encoding_type != ENC_7BIT &&
482 mimeinfo->encoding_type != ENC_8BIT)
483 if(!procmime_decode_content(mimeinfo))
486 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
492 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
493 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
494 g_warning("Can't open file %s\n", mimeinfo->data.filename);
498 } else if (mimeinfo->content == MIMECONTENT_MEM) {
499 infp = str_open_as_stream(mimeinfo->data.mem);
506 if (encoding == ENC_BASE64) {
507 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
509 gchar *tmp_file = NULL;
511 if (mimeinfo->type == MIMETYPE_TEXT ||
512 mimeinfo->type == MIMETYPE_MESSAGE) {
513 if (mimeinfo->content == MIMECONTENT_FILE) {
514 tmp_file = get_tmp_file();
515 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
521 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
522 FILE_OP_ERROR(tmp_file, "fopen");
523 claws_unlink(tmp_file);
530 gchar *out = canonicalize_str(mimeinfo->data.mem);
532 infp = str_open_as_stream(out);
542 while ((len = fread(inbuf, sizeof(gchar),
543 B64_LINE_SIZE, tmp_fp))
545 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
546 if (fputs(outbuf, outfp) == EOF)
548 if (fputc('\n', outfp) == EOF)
551 if (len > 0 && feof(tmp_fp)) {
552 base64_encode(outbuf, inbuf, len);
553 if (fputs(outbuf, outfp) == EOF)
555 if (fputc('\n', outfp) == EOF)
561 claws_unlink(tmp_file);
564 } else if (encoding == ENC_QUOTED_PRINTABLE) {
565 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
567 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
568 qp_encode_line(outbuf, inbuf);
570 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
571 gchar *tmpbuf = outbuf;
573 tmpbuf += sizeof("From ")-1;
575 if (fputs("=46rom ", outfp) == EOF)
577 if (fputs(tmpbuf, outfp) == EOF)
580 if (fputs(outbuf, outfp) == EOF)
587 while (fgets(buf, sizeof(buf), infp) != NULL) {
589 if (fputs(buf, outfp) == EOF)
600 if (mimeinfo->content == MIMECONTENT_FILE) {
601 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
602 claws_unlink(mimeinfo->data.filename);
603 g_free(mimeinfo->data.filename);
604 } else if (mimeinfo->content == MIMECONTENT_MEM) {
605 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
606 g_free(mimeinfo->data.mem);
609 g_stat(tmpfilename, &statbuf);
610 mimeinfo->content = MIMECONTENT_FILE;
611 mimeinfo->data.filename = tmpfilename;
612 mimeinfo->tmp = TRUE;
613 mimeinfo->offset = 0;
614 mimeinfo->length = statbuf.st_size;
615 mimeinfo->encoding_type = encoding;
620 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
624 gint restlength, readlength;
625 gint saved_errno = 0;
627 cm_return_val_if_fail(outfile != NULL, -1);
628 cm_return_val_if_fail(mimeinfo != NULL, -1);
630 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
633 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
635 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
636 return -(saved_errno);
638 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
640 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
642 return -(saved_errno);
644 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
646 FILE_OP_ERROR(outfile, "fopen");
648 return -(saved_errno);
651 restlength = mimeinfo->length;
653 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
654 if (fwrite(buf, 1, readlength, outfp) != readlength) {
657 return -(saved_errno);
659 restlength -= readlength;
663 if (fclose(outfp) == EOF) {
665 FILE_OP_ERROR(outfile, "fclose");
666 claws_unlink(outfile);
667 return -(saved_errno);
673 static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
676 const gchar *src_codeset;
677 gboolean conv_fail = FALSE;
681 gboolean err = FALSE;
683 cm_return_val_if_fail(mimeinfo != NULL, NULL);
685 if (!procmime_decode_content(mimeinfo))
688 tmpfile = procmime_get_tmp_file_name(mimeinfo);
692 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
697 tmpfp = g_fopen(tmpfile, "rb");
703 if ((outfp = my_tmpfile()) == NULL) {
710 src_codeset = forced_charset
712 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
714 /* use supersets transparently when possible */
715 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
716 src_codeset = CS_WINDOWS_1252;
717 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
718 src_codeset = CS_GB18030;
719 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
720 src_codeset = CS_GB18030;
721 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
722 src_codeset = CS_GB18030;
724 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
725 SC_HTMLParser *parser;
728 conv = conv_code_converter_new(src_codeset);
729 parser = sc_html_parser_new(tmpfp, conv);
730 while ((str = sc_html_parse(parser)) != NULL) {
731 if (fputs(str, outfp) == EOF)
734 sc_html_parser_destroy(parser);
735 conv_code_converter_destroy(conv);
736 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
740 conv = conv_code_converter_new(src_codeset);
741 parser = ertf_parser_new(tmpfp, conv);
742 while ((str = ertf_parse(parser)) != NULL) {
743 if (fputs(str, outfp) == EOF)
746 ertf_parser_destroy(parser);
747 conv_code_converter_destroy(conv);
748 } else if (mimeinfo->type == MIMETYPE_TEXT) {
749 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
750 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
752 if (fputs(str, outfp) == EOF)
757 if (fputs(buf, outfp) == EOF)
764 g_warning("procmime_get_text_content(): Code conversion failed.\n");
768 claws_unlink(tmpfile);
779 /* search the first text part of (multipart) MIME message,
780 decode, convert it and output to outfp. */
781 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
784 MimeInfo *mimeinfo, *partinfo;
785 gboolean empty_ok = FALSE, short_scan = TRUE;
787 cm_return_val_if_fail(msginfo != NULL, NULL);
789 /* first we try to short-scan (for speed), refusing empty parts */
792 mimeinfo = procmime_scan_message_short(msginfo);
794 mimeinfo = procmime_scan_message(msginfo);
795 if (!mimeinfo) return NULL;
798 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
799 (partinfo->length == 0 && !empty_ok))) {
800 partinfo = procmime_mimeinfo_next(partinfo);
803 outfp = procmime_get_text_content(partinfo);
804 else if (!empty_ok && short_scan) {
805 /* if short scan didn't find a non-empty part, rescan
806 * fully for non-empty parts
809 procmime_mimeinfo_free_all(mimeinfo);
811 } else if (!empty_ok && !short_scan) {
812 /* if full scan didn't find a non-empty part, rescan
813 * accepting empty parts
816 procmime_mimeinfo_free_all(mimeinfo);
819 procmime_mimeinfo_free_all(mimeinfo);
825 static gboolean find_encrypted_func(GNode *node, gpointer data)
827 MimeInfo *mimeinfo = (MimeInfo *) node->data;
828 MimeInfo **encinfo = (MimeInfo **) data;
830 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
838 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
840 MimeInfo *encinfo = NULL;
842 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
843 find_encrypted_func, &encinfo);
848 /* search the first encrypted text part of (multipart) MIME message,
849 decode, convert it and output to outfp. */
850 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
853 MimeInfo *mimeinfo, *partinfo, *encinfo;
855 cm_return_val_if_fail(msginfo != NULL, NULL);
857 mimeinfo = procmime_scan_message(msginfo);
863 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
864 debug_print("decrypting message part\n");
865 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
866 alertpanel_error(_("Couldn't decrypt: %s"),
867 privacy_get_error());
872 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
873 partinfo = procmime_mimeinfo_next(partinfo);
874 if (privacy_mimeinfo_is_signed(partinfo))
875 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
879 outfp = procmime_get_text_content(partinfo);
881 procmime_mimeinfo_free_all(mimeinfo);
886 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
888 MimeInfo *mimeinfo, *partinfo;
889 gboolean result = FALSE;
891 cm_return_val_if_fail(msginfo != NULL, FALSE);
893 mimeinfo = procmime_scan_message(msginfo);
899 result = (find_encrypted_part(partinfo) != NULL);
900 procmime_mimeinfo_free_all(mimeinfo);
905 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
906 const gchar *str, StrFindFunc find_func)
911 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
912 cm_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
913 cm_return_val_if_fail(str != NULL, FALSE);
914 cm_return_val_if_fail(find_func != NULL, FALSE);
916 outfp = procmime_get_text_content(mimeinfo);
921 while (fgets(buf, sizeof(buf), outfp) != NULL) {
923 if (find_func(buf, str)) {
934 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
935 StrFindFunc find_func)
940 gboolean found = FALSE;
942 cm_return_val_if_fail(msginfo != NULL, FALSE);
943 cm_return_val_if_fail(str != NULL, FALSE);
944 cm_return_val_if_fail(find_func != NULL, FALSE);
946 filename = procmsg_get_message_file(msginfo);
947 if (!filename) return FALSE;
948 mimeinfo = procmime_scan_message(msginfo);
950 for (partinfo = mimeinfo; partinfo != NULL;
951 partinfo = procmime_mimeinfo_next(partinfo)) {
952 if (partinfo->type == MIMETYPE_TEXT) {
953 if (procmime_find_string_part
954 (partinfo, filename, str, find_func) == TRUE) {
961 procmime_mimeinfo_free_all(mimeinfo);
967 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
969 static guint32 id = 0;
974 cm_return_val_if_fail(mimeinfo != NULL, NULL);
976 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
978 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
979 base = g_strdup("mimetmp.html");
981 const gchar *basetmp;
983 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
985 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
988 basetmp = g_path_get_basename(basetmp);
989 if (*basetmp == '\0')
990 basetmp = g_strdup("mimetmp");
991 base = conv_filename_from_utf8(basetmp);
992 g_free((gchar*)basetmp);
993 subst_for_shellsafe_filename(base);
996 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
997 f_prefix, base, NULL);
1004 static GList *mime_type_list = NULL;
1006 gchar *procmime_get_mime_type(const gchar *filename)
1012 static GHashTable *mime_type_table = NULL;
1013 MimeType *mime_type;
1015 if (!mime_type_table) {
1016 mime_type_table = procmime_get_mime_type_table();
1017 if (!mime_type_table) return NULL;
1021 if (filename == NULL)
1024 base = g_path_get_basename(filename);
1025 if ((p = strrchr(base, '.')) != NULL)
1026 ext = g_utf8_strdown(p + 1, -1);
1030 mime_type = g_hash_table_lookup(mime_type_table, ext);
1034 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1036 debug_print("got type %s for %s\n", str, ext);
1042 gchar *str = get_content_type_from_registry_with_ext(ext);
1049 static guint procmime_str_hash(gconstpointer gptr)
1051 guint hash_result = 0;
1054 for (str = gptr; str && *str; str++) {
1055 if (isupper(*str)) hash_result += (*str + ' ');
1056 else hash_result += *str;
1062 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1064 const char *str1 = gptr1;
1065 const char *str2 = gptr2;
1067 return !g_utf8_collate(str1, str2);
1070 static GHashTable *procmime_get_mime_type_table(void)
1072 GHashTable *table = NULL;
1074 MimeType *mime_type;
1077 if (!mime_type_list) {
1078 mime_type_list = procmime_get_mime_type_list();
1079 if (!mime_type_list) return NULL;
1082 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1084 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1088 mime_type = (MimeType *)cur->data;
1090 if (!mime_type->extension) continue;
1092 exts = g_strsplit(mime_type->extension, " ", 16);
1093 for (i = 0; exts[i] != NULL; i++) {
1094 /* use previously dup'd key on overwriting */
1095 if (g_hash_table_lookup(table, exts[i]))
1098 key = g_strdup(exts[i]);
1099 g_hash_table_insert(table, key, mime_type);
1107 GList *procmime_get_mime_type_list(void)
1111 gchar buf[BUFFSIZE];
1114 MimeType *mime_type;
1115 gboolean fp_is_glob_file = TRUE;
1118 return mime_type_list;
1120 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1121 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1123 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1126 fp_is_glob_file = FALSE;
1127 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1128 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1130 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1137 while (fgets(buf, sizeof(buf), fp) != NULL) {
1138 p = strchr(buf, '#');
1144 if (fp_is_glob_file) {
1145 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1147 while (*p && !g_ascii_isspace(*p)) p++;
1154 delim = strchr(buf, '/');
1155 if (delim == NULL) continue;
1158 mime_type = g_new(MimeType, 1);
1159 mime_type->type = g_strdup(buf);
1160 mime_type->sub_type = g_strdup(delim + 1);
1162 if (fp_is_glob_file) {
1163 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1165 while (*p && g_ascii_isspace(*p)) p++;
1169 mime_type->extension = g_utf8_strdown(p, -1);
1171 mime_type->extension = NULL;
1173 list = g_list_append(list, mime_type);
1179 g_warning("Can't read mime.types\n");
1184 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1188 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1189 !g_ascii_strcasecmp(charset, "US-ASCII"))
1191 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1192 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1193 !g_ascii_strcasecmp(charset, "Windows-1251"))
1195 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1196 return ENC_QUOTED_PRINTABLE;
1197 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1198 return ENC_QUOTED_PRINTABLE;
1203 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1206 guchar buf[BUFFSIZE];
1208 size_t octet_chars = 0;
1209 size_t total_len = 0;
1210 gfloat octet_percentage;
1211 gboolean force_b64 = FALSE;
1213 if ((fp = g_fopen(file, "rb")) == NULL) {
1214 FILE_OP_ERROR(file, "fopen");
1218 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1222 for (p = buf, i = 0; i < len; ++p, ++i) {
1236 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1238 octet_percentage = 0.0;
1240 debug_print("procmime_get_encoding_for_text_file(): "
1241 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1242 100.0 * octet_percentage);
1244 if (octet_percentage > 0.20 || force_b64) {
1245 debug_print("using BASE64\n");
1247 } else if (octet_chars > 0) {
1248 debug_print("using quoted-printable\n");
1249 return ENC_QUOTED_PRINTABLE;
1251 debug_print("using 7bit\n");
1256 struct EncodingTable
1259 EncodingType enc_type;
1262 struct EncodingTable encoding_table[] = {
1265 {"binary", ENC_BINARY},
1266 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1267 {"base64", ENC_BASE64},
1268 {"x-uuencode", ENC_UNKNOWN},
1269 {NULL, ENC_UNKNOWN},
1272 const gchar *procmime_get_encoding_str(EncodingType encoding)
1274 struct EncodingTable *enc_table;
1276 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1277 if (enc_table->enc_type == encoding)
1278 return enc_table->str;
1283 /* --- NEW MIME STUFF --- */
1290 static struct TypeTable mime_type_table[] = {
1291 {"text", MIMETYPE_TEXT},
1292 {"image", MIMETYPE_IMAGE},
1293 {"audio", MIMETYPE_AUDIO},
1294 {"video", MIMETYPE_VIDEO},
1295 {"application", MIMETYPE_APPLICATION},
1296 {"message", MIMETYPE_MESSAGE},
1297 {"multipart", MIMETYPE_MULTIPART},
1301 const gchar *procmime_get_media_type_str(MimeMediaType type)
1303 struct TypeTable *type_table;
1305 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1306 if (type_table->type == type)
1307 return type_table->str;
1312 MimeMediaType procmime_get_media_type(const gchar *str)
1314 struct TypeTable *typetablearray;
1316 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1317 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1318 return typetablearray->type;
1320 return MIMETYPE_UNKNOWN;
1324 *\brief Safe wrapper for content type string.
1326 *\return const gchar * Pointer to content type string.
1328 gchar *procmime_get_content_type_str(MimeMediaType type,
1329 const char *subtype)
1331 const gchar *type_str = NULL;
1333 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1334 return g_strdup("unknown");
1335 return g_strdup_printf("%s/%s", type_str, subtype);
1338 static int procmime_parse_mimepart(MimeInfo *parent,
1339 gchar *content_type,
1340 gchar *content_encoding,
1341 gchar *content_description,
1343 gchar *content_disposition,
1344 gchar *content_location,
1345 const gchar *original_msgid,
1346 const gchar *disposition_notification_hdr,
1347 const gchar *filename,
1350 gboolean short_scan);
1352 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1354 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1355 {"Content-Transfer-Encoding:",
1357 {"Content-Description:",
1361 {"Content-Disposition:",
1363 {"Content-Location:",
1367 {"Original-Message-ID:",
1371 {NULL, NULL, FALSE}};
1372 guint content_start, i;
1377 procmime_decode_content(mimeinfo);
1379 fp = g_fopen(mimeinfo->data.filename, "rb");
1381 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1384 fseek(fp, mimeinfo->offset, SEEK_SET);
1385 procheader_get_header_fields(fp, hentry);
1386 if (hentry[0].body != NULL) {
1387 tmp = conv_unmime_header(hentry[0].body, NULL);
1388 g_free(hentry[0].body);
1389 hentry[0].body = tmp;
1391 if (hentry[2].body != NULL) {
1392 tmp = conv_unmime_header(hentry[2].body, NULL);
1393 g_free(hentry[2].body);
1394 hentry[2].body = tmp;
1396 if (hentry[4].body != NULL) {
1397 tmp = conv_unmime_header(hentry[4].body, NULL);
1398 g_free(hentry[4].body);
1399 hentry[4].body = tmp;
1401 if (hentry[5].body != NULL) {
1402 tmp = conv_unmime_header(hentry[5].body, NULL);
1403 g_free(hentry[5].body);
1404 hentry[5].body = tmp;
1406 if (hentry[7].body != NULL) {
1407 tmp = conv_unmime_header(hentry[7].body, NULL);
1408 g_free(hentry[7].body);
1409 hentry[7].body = tmp;
1411 if (hentry[8].body != NULL) {
1412 tmp = conv_unmime_header(hentry[8].body, NULL);
1413 g_free(hentry[8].body);
1414 hentry[8].body = tmp;
1417 content_start = ftell(fp);
1420 len = mimeinfo->length - (content_start - mimeinfo->offset);
1423 procmime_parse_mimepart(mimeinfo,
1424 hentry[0].body, hentry[1].body,
1425 hentry[2].body, hentry[3].body,
1426 hentry[4].body, hentry[5].body,
1427 hentry[7].body, hentry[8].body,
1428 mimeinfo->data.filename, content_start,
1431 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1432 g_free(hentry[i].body);
1433 hentry[i].body = NULL;
1437 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1438 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1439 gboolean short_scan)
1441 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1442 {"Disposition:", NULL, TRUE},
1443 {NULL, NULL, FALSE}};
1446 gchar *orig_msg_id = NULL;
1449 procmime_decode_content(mimeinfo);
1451 debug_print("parse disposition notification\n");
1452 fp = g_fopen(mimeinfo->data.filename, "rb");
1454 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1457 fseek(fp, mimeinfo->offset, SEEK_SET);
1459 if (original_msgid && disposition_notification_hdr) {
1460 hentry[0].body = g_strdup(original_msgid);
1461 hentry[1].body = g_strdup(disposition_notification_hdr);
1463 procheader_get_header_fields(fp, hentry);
1466 if (!hentry[0].body || !hentry[1].body) {
1467 debug_print("MsgId %s, Disp %s\n",
1468 hentry[0].body ? hentry[0].body:"(nil)",
1469 hentry[1].body ? hentry[1].body:"(nil)");
1473 orig_msg_id = g_strdup(hentry[0].body);
1474 disp = g_strdup(hentry[1].body);
1476 extract_parenthesis(orig_msg_id, '<', '>');
1477 remove_space(orig_msg_id);
1479 if (strstr(disp, "displayed")) {
1480 /* find sent message, if possible */
1481 MsgInfo *info = NULL;
1483 debug_print("%s has been displayed.\n", orig_msg_id);
1484 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1485 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1487 debug_print("skipping folder with no outbox...\n");
1490 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1491 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1493 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1494 procmsg_msginfo_free(info);
1498 g_free(orig_msg_id);
1501 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1502 g_free(hentry[i].body);
1503 hentry[i].body = NULL;
1507 #define GET_HEADERS() { \
1508 procheader_get_header_fields(fp, hentry); \
1509 if (hentry[0].body != NULL) { \
1510 tmp = conv_unmime_header(hentry[0].body, NULL); \
1511 g_free(hentry[0].body); \
1512 hentry[0].body = tmp; \
1514 if (hentry[2].body != NULL) { \
1515 tmp = conv_unmime_header(hentry[2].body, NULL); \
1516 g_free(hentry[2].body); \
1517 hentry[2].body = tmp; \
1519 if (hentry[4].body != NULL) { \
1520 tmp = conv_unmime_header(hentry[4].body, NULL); \
1521 g_free(hentry[4].body); \
1522 hentry[4].body = tmp; \
1524 if (hentry[5].body != NULL) { \
1525 tmp = conv_unmime_header(hentry[5].body, NULL); \
1526 g_free(hentry[5].body); \
1527 hentry[5].body = tmp; \
1529 if (hentry[6].body != NULL) { \
1530 tmp = conv_unmime_header(hentry[6].body, NULL); \
1531 g_free(hentry[6].body); \
1532 hentry[6].body = tmp; \
1534 if (hentry[7].body != NULL) { \
1535 tmp = conv_unmime_header(hentry[7].body, NULL); \
1536 g_free(hentry[7].body); \
1537 hentry[7].body = tmp; \
1541 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1543 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1544 {"Content-Transfer-Encoding:",
1546 {"Content-Description:",
1550 {"Content-Disposition:",
1552 {"Content-Location:",
1554 {"Original-Message-ID:",
1558 {NULL, NULL, FALSE}};
1561 gint boundary_len = 0, lastoffset = -1, i;
1562 gchar buf[BUFFSIZE];
1565 gboolean done = FALSE;
1566 gboolean start_found = FALSE;
1567 gboolean end_found = FALSE;
1569 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1572 boundary_len = strlen(boundary);
1574 procmime_decode_content(mimeinfo);
1576 fp = g_fopen(mimeinfo->data.filename, "rb");
1578 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1582 fseek(fp, mimeinfo->offset, SEEK_SET);
1583 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1584 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1587 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1590 if (lastoffset != -1) {
1591 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1594 result = procmime_parse_mimepart(mimeinfo,
1595 hentry[0].body, hentry[1].body,
1596 hentry[2].body, hentry[3].body,
1597 hentry[4].body, hentry[5].body,
1598 hentry[6].body, hentry[7].body,
1599 mimeinfo->data.filename, lastoffset,
1601 if (result == 1 && short_scan) {
1607 if (buf[2 + boundary_len] == '-' &&
1608 buf[2 + boundary_len + 1] == '-') {
1612 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1613 g_free(hentry[i].body);
1614 hentry[i].body = NULL;
1617 lastoffset = ftell(fp);
1621 if (start_found && !end_found && lastoffset != -1) {
1622 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1625 result = procmime_parse_mimepart(mimeinfo,
1626 hentry[0].body, hentry[1].body,
1627 hentry[2].body, hentry[3].body,
1628 hentry[4].body, hentry[5].body,
1629 hentry[6].body, hentry[7].body,
1630 mimeinfo->data.filename, lastoffset,
1633 mimeinfo->broken = TRUE;
1636 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1637 g_free(hentry[i].body);
1638 hentry[i].body = NULL;
1643 static void parse_parameters(const gchar *parameters, GHashTable *table)
1645 gchar *params, *param, *next;
1646 GSList *convlist = NULL, *concatlist = NULL, *cur;
1648 params = g_strdup(parameters);
1651 for (; next != NULL; param = next) {
1652 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1654 gboolean convert = FALSE;
1656 next = strchr_with_skip_quote(param, '"', ';');
1665 value = strchr(attribute, '=');
1671 while (value[0] == ' ')
1674 down_attr = g_utf8_strdown(attribute, -1);
1675 orig_down_attr = down_attr;
1677 len = down_attr ? strlen(down_attr):0;
1678 if (len > 0 && down_attr[len - 1] == '*') {
1679 gchar *srcpos, *dstpos, *endpos;
1682 down_attr[len - 1] = '\0';
1686 endpos = value + strlen(value);
1687 while (srcpos < endpos) {
1693 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1704 if (value[0] == '"')
1705 extract_quote(value, '"');
1706 else if ((tmp = strchr(value, ' ')) != NULL)
1711 while (down_attr[0] == ' ')
1713 while (down_attr[strlen(down_attr)-1] == ' ')
1714 down_attr[strlen(down_attr)-1] = '\0';
1717 while (value[0] == ' ')
1719 while (value[strlen(value)-1] == ' ')
1720 value[strlen(value)-1] = '\0';
1722 if (down_attr && strrchr(down_attr, '*') != NULL) {
1725 tmpattr = g_strdup(down_attr);
1726 tmp = strrchr(tmpattr, '*');
1729 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1730 (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
1731 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1733 if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
1734 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1737 } else if (convert) {
1738 if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
1739 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1742 if (g_hash_table_lookup(table, down_attr) == NULL)
1743 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1744 g_free(orig_down_attr);
1747 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1748 gchar *attribute, *attrwnum, *partvalue;
1752 attribute = (gchar *) cur->data;
1753 value = g_string_sized_new(64);
1755 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1756 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1757 g_string_append(value, partvalue);
1759 g_hash_table_remove(table, attrwnum);
1762 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1766 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1767 g_string_free(value, TRUE);
1769 slist_free_strings(concatlist);
1770 g_slist_free(concatlist);
1772 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1773 gchar *attribute, *key, *value;
1774 gchar *charset, *lang, *oldvalue, *newvalue;
1776 attribute = (gchar *) cur->data;
1777 if (!g_hash_table_lookup_extended(
1778 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1782 lang = strchr(charset, '\'');
1787 oldvalue = strchr(lang, '\'');
1788 if (oldvalue == NULL)
1793 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1795 g_hash_table_remove(table, attribute);
1799 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1801 slist_free_strings(convlist);
1802 g_slist_free(convlist);
1807 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1809 cm_return_if_fail(content_type != NULL);
1810 cm_return_if_fail(mimeinfo != NULL);
1812 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1813 * if it's not available we use the default Content-Type */
1814 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1815 mimeinfo->type = MIMETYPE_TEXT;
1816 mimeinfo->subtype = g_strdup("plain");
1817 if (g_hash_table_lookup(mimeinfo->typeparameters,
1818 "charset") == NULL) {
1819 g_hash_table_insert(mimeinfo->typeparameters,
1820 g_strdup("charset"),
1822 conv_get_locale_charset_str_no_utf8()));
1825 gchar *type, *subtype, *params;
1827 type = g_strdup(content_type);
1828 subtype = strchr(type, '/') + 1;
1829 *(subtype - 1) = '\0';
1830 if ((params = strchr(subtype, ';')) != NULL) {
1835 mimeinfo->type = procmime_get_media_type(type);
1836 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1838 /* Get mimeinfo->typeparameters */
1840 parse_parameters(params, mimeinfo->typeparameters);
1846 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1848 gchar *tmp, *params;
1850 cm_return_if_fail(content_disposition != NULL);
1851 cm_return_if_fail(mimeinfo != NULL);
1853 tmp = g_strdup(content_disposition);
1854 if ((params = strchr(tmp, ';')) != NULL) {
1860 if (!g_ascii_strcasecmp(tmp, "inline"))
1861 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1862 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1863 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1865 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1868 parse_parameters(params, mimeinfo->dispositionparameters);
1874 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1876 struct EncodingTable *enc_table;
1878 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1879 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1880 mimeinfo->encoding_type = enc_table->enc_type;
1884 mimeinfo->encoding_type = ENC_UNKNOWN;
1888 static GSList *registered_parsers = NULL;
1890 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1893 for (cur = registered_parsers; cur; cur = cur->next) {
1894 MimeParser *parser = (MimeParser *)cur->data;
1895 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1901 void procmime_mimeparser_register(MimeParser *parser)
1903 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1904 registered_parsers = g_slist_append(registered_parsers, parser);
1908 void procmime_mimeparser_unregister(MimeParser *parser)
1910 registered_parsers = g_slist_remove(registered_parsers, parser);
1913 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1915 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1916 return parser->parse(parser, mimeinfo);
1919 static int procmime_parse_mimepart(MimeInfo *parent,
1920 gchar *content_type,
1921 gchar *content_encoding,
1922 gchar *content_description,
1924 gchar *content_disposition,
1925 gchar *content_location,
1926 const gchar *original_msgid,
1927 const gchar *disposition_notification_hdr,
1928 const gchar *filename,
1931 gboolean short_scan)
1934 MimeParser *parser = NULL;
1935 gboolean parsed = FALSE;
1938 /* Create MimeInfo */
1939 mimeinfo = procmime_mimeinfo_new();
1940 mimeinfo->content = MIMECONTENT_FILE;
1942 if (parent != NULL) {
1943 if (g_node_depth(parent->node) > 32) {
1944 /* 32 is an arbitrary value
1945 * this avoids DOSsing ourselves
1946 * with enormous messages
1948 procmime_mimeinfo_free_all(mimeinfo);
1951 g_node_append(parent->node, mimeinfo->node);
1953 mimeinfo->data.filename = g_strdup(filename);
1954 mimeinfo->offset = offset;
1955 mimeinfo->length = length;
1957 if (content_type != NULL) {
1958 procmime_parse_content_type(content_type, mimeinfo);
1960 mimeinfo->type = MIMETYPE_TEXT;
1961 mimeinfo->subtype = g_strdup("plain");
1962 if (g_hash_table_lookup(mimeinfo->typeparameters,
1963 "charset") == NULL) {
1964 g_hash_table_insert(mimeinfo->typeparameters,
1965 g_strdup("charset"),
1967 conv_get_locale_charset_str_no_utf8()));
1971 if (content_encoding != NULL) {
1972 procmime_parse_content_encoding(content_encoding, mimeinfo);
1974 mimeinfo->encoding_type = ENC_UNKNOWN;
1977 if (content_description != NULL)
1978 mimeinfo->description = g_strdup(content_description);
1980 mimeinfo->description = NULL;
1982 if (content_id != NULL)
1983 mimeinfo->id = g_strdup(content_id);
1985 mimeinfo->id = NULL;
1987 if (content_location != NULL)
1988 mimeinfo->location = g_strdup(content_location);
1990 mimeinfo->location = NULL;
1992 if (content_disposition != NULL)
1993 procmime_parse_content_disposition(content_disposition, mimeinfo);
1995 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1997 /* Call parser for mime type */
1998 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1999 parsed = procmime_mimeparser_parse(parser, mimeinfo);
2002 switch (mimeinfo->type) {
2004 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
2009 case MIMETYPE_MESSAGE:
2010 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2011 procmime_parse_message_rfc822(mimeinfo, short_scan);
2013 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
2014 procmime_parse_disposition_notification(mimeinfo,
2015 original_msgid, disposition_notification_hdr, short_scan);
2019 case MIMETYPE_MULTIPART:
2020 procmime_parse_multipart(mimeinfo, short_scan);
2023 case MIMETYPE_APPLICATION:
2024 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2025 && original_msgid && *original_msgid
2026 && disposition_notification_hdr && *disposition_notification_hdr) {
2027 procmime_parse_disposition_notification(mimeinfo,
2028 original_msgid, disposition_notification_hdr, short_scan);
2039 static gchar *typenames[] = {
2050 static gboolean output_func(GNode *node, gpointer data)
2053 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2055 depth = g_node_depth(node);
2056 for (i = 0; i < depth; i++)
2058 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2063 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2065 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2068 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2073 g_stat(filename, &buf);
2075 mimeinfo = procmime_mimeinfo_new();
2076 mimeinfo->content = MIMECONTENT_FILE;
2077 mimeinfo->encoding_type = ENC_UNKNOWN;
2078 mimeinfo->type = MIMETYPE_MESSAGE;
2079 mimeinfo->subtype = g_strdup("rfc822");
2080 mimeinfo->data.filename = g_strdup(filename);
2081 mimeinfo->offset = offset;
2082 mimeinfo->length = buf.st_size - offset;
2084 procmime_parse_message_rfc822(mimeinfo, short_scan);
2085 if (debug_get_mode())
2086 output_mime_structure(mimeinfo, 0);
2091 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2095 cm_return_val_if_fail(filename != NULL, NULL);
2097 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2102 MimeInfo *procmime_scan_file(const gchar *filename)
2104 return procmime_scan_file_full(filename, FALSE);
2107 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2109 return procmime_scan_file_full(filename, TRUE);
2112 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2116 gchar buf[BUFFSIZE];
2119 cm_return_val_if_fail(filename != NULL, NULL);
2122 if ((fp = g_fopen(filename, "rb")) == NULL)
2124 /* Skip queue header */
2125 while (fgets(buf, sizeof(buf), fp) != NULL) {
2127 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2128 strlen("X-Claws-End-Special-Headers:"))) ||
2129 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2130 strlen("X-Sylpheed-End-Special-Headers:"))))
2133 if (buf[0] == '\r' || buf[0] == '\n') break;
2134 /* from other mailers */
2135 if (!strncmp(buf, "Date: ", 6)
2136 || !strncmp(buf, "To: ", 4)
2137 || !strncmp(buf, "From: ", 6)
2138 || !strncmp(buf, "Subject: ", 9)) {
2146 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2151 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2153 return procmime_scan_queue_file_full(filename, FALSE);
2156 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2158 return procmime_scan_queue_file_full(filename, TRUE);
2163 ENC_AS_QUOTED_STRING,
2168 typedef struct _ParametersData {
2174 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2177 gchar *val = value, *valpos, *tmp;
2178 ParametersData *pdata = (ParametersData *)user_data;
2179 GString *buf = g_string_new("");
2182 EncodeAs encas = ENC_AS_TOKEN;
2184 for (valpos = val; *valpos != 0; valpos++) {
2185 if (!IS_ASCII(*valpos)) {
2186 encas = ENC_AS_ENCWORD;
2191 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2192 encas = ENC_AS_QUOTED_STRING;
2196 /* tspecials + SPACE */
2214 encas = ENC_AS_QUOTED_STRING;
2221 g_string_append_printf(buf, "%s=%s", param, val);
2224 case ENC_AS_QUOTED_STRING:
2225 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2228 #if 0 /* we don't use that for now */
2229 case ENC_AS_EXTENDED:
2230 if (!g_utf8_validate(val, -1, NULL))
2231 g_string_append_printf(buf, "%s*=%s''", param,
2232 conv_get_locale_charset_str());
2234 g_string_append_printf(buf, "%s*=%s''", param,
2236 for (valpos = val; *valpos != '\0'; valpos++) {
2237 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2238 g_string_append_printf(buf, "%c", *valpos);
2240 gchar hexstr[3] = "XX";
2241 get_hex_str(hexstr, *valpos);
2242 g_string_append_printf(buf, "%%%s", hexstr);
2247 case ENC_AS_ENCWORD:
2248 len = MAX(strlen(val)*6, 512);
2249 tmp = g_malloc(len+1);
2250 codeconv_set_strict(TRUE);
2251 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2252 prefs_common.outgoing_charset);
2253 codeconv_set_strict(FALSE);
2254 if (!tmp || !*tmp) {
2255 codeconv_set_strict(TRUE);
2256 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2257 conv_get_outgoing_charset_str());
2258 codeconv_set_strict(FALSE);
2260 if (!tmp || !*tmp) {
2261 codeconv_set_strict(TRUE);
2262 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2264 codeconv_set_strict(FALSE);
2266 if (!tmp || !*tmp) {
2267 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2270 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2276 if (buf->str && strlen(buf->str)) {
2277 tmp = strstr(buf->str, "\n");
2279 len = (tmp - buf->str);
2281 len = strlen(buf->str);
2282 if (pdata->len + len > 76) {
2283 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2284 pdata->error = TRUE;
2285 pdata->len = strlen(buf->str) + 1;
2287 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2288 pdata->error = TRUE;
2289 pdata->len += strlen(buf->str) + 2;
2292 g_string_free(buf, TRUE);
2295 #define TRY(func) { \
2301 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2303 struct TypeTable *type_table;
2304 ParametersData *pdata = g_new0(ParametersData, 1);
2305 debug_print("procmime_write_mime_header\n");
2308 pdata->error = FALSE;
2309 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2310 if (mimeinfo->type == type_table->type) {
2311 gchar *buf = g_strdup_printf(
2312 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2313 if (fprintf(fp, "%s", buf) < 0) {
2318 pdata->len = strlen(buf);
2322 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2323 if (pdata->error == TRUE) {
2329 TRY(fprintf(fp, "\n") >= 0);
2331 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2332 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2334 if (mimeinfo->description != NULL)
2335 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2337 if (mimeinfo->id != NULL)
2338 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2340 if (mimeinfo->location != NULL)
2341 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2343 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2344 ParametersData *pdata = g_new0(ParametersData, 1);
2346 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2347 buf = g_strdup("Content-Disposition: inline");
2348 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2349 buf = g_strdup("Content-Disposition: attachment");
2351 buf = g_strdup("Content-Disposition: unknown");
2353 if (fprintf(fp, "%s", buf) < 0) {
2358 pdata->len = strlen(buf);
2362 pdata->error = FALSE;
2363 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2364 if (pdata->error == TRUE) {
2369 TRY(fprintf(fp, "\n") >= 0);
2372 TRY(fprintf(fp, "\n") >= 0);
2377 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2382 gchar buf[BUFFSIZE];
2383 gboolean skip = FALSE;;
2386 debug_print("procmime_write_message_rfc822\n");
2389 switch (mimeinfo->content) {
2390 case MIMECONTENT_FILE:
2391 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2392 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2395 fseek(infp, mimeinfo->offset, SEEK_SET);
2396 while (fgets(buf, sizeof(buf), infp) == buf) {
2398 if (buf[0] == '\n' && buf[1] == '\0')
2400 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2402 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2403 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2404 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2405 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2406 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2407 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2408 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2413 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2414 g_warning("failed to dump %zd bytes from file", len);
2423 case MIMECONTENT_MEM:
2424 len = strlen(mimeinfo->data.mem);
2425 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2426 g_warning("failed to dump %zd bytes from mem", len);
2435 childnode = mimeinfo->node->children;
2436 if (childnode == NULL)
2439 child = (MimeInfo *) childnode->data;
2440 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2441 g_warning("failed to write mime version");
2444 if (procmime_write_mime_header(child, fp) < 0)
2446 return procmime_write_mimeinfo(child, fp);
2449 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2453 gchar *boundary, *str, *str2;
2454 gchar buf[BUFFSIZE];
2455 gboolean firstboundary;
2458 debug_print("procmime_write_multipart\n");
2460 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2462 switch (mimeinfo->content) {
2463 case MIMECONTENT_FILE:
2464 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2465 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2468 fseek(infp, mimeinfo->offset, SEEK_SET);
2469 while (fgets(buf, sizeof(buf), infp) == buf) {
2470 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2473 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2474 g_warning("failed to write %zd", len);
2482 case MIMECONTENT_MEM:
2483 str = g_strdup(mimeinfo->data.mem);
2484 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2485 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2488 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2489 g_warning("failed to write %zd from mem", len);
2500 childnode = mimeinfo->node->children;
2501 firstboundary = TRUE;
2502 while (childnode != NULL) {
2503 MimeInfo *child = childnode->data;
2506 firstboundary = FALSE;
2508 TRY(fprintf(fp, "\n") >= 0);
2510 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2512 if (procmime_write_mime_header(child, fp) < 0)
2514 if (procmime_write_mimeinfo(child, fp) < 0)
2517 childnode = g_node_next_sibling(childnode);
2519 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2524 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2528 debug_print("procmime_write_mimeinfo\n");
2530 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2531 switch (mimeinfo->content) {
2532 case MIMECONTENT_FILE:
2533 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2534 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2537 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2541 case MIMECONTENT_MEM:
2542 len = strlen(mimeinfo->data.mem);
2543 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2551 /* Call writer for mime type */
2552 switch (mimeinfo->type) {
2553 case MIMETYPE_MESSAGE:
2554 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2555 return procmime_write_message_rfc822(mimeinfo, fp);
2559 case MIMETYPE_MULTIPART:
2560 return procmime_write_multipart(mimeinfo, fp);
2572 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2576 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2577 base = g_strdup("mimetmp.html");
2579 const gchar *basetmp;
2582 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2583 if (basetmp == NULL)
2584 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2585 if (basetmp == NULL)
2586 basetmp = "mimetmp";
2587 basename = g_path_get_basename(basetmp);
2588 if (*basename == '\0') {
2590 basename = g_strdup("mimetmp");
2592 base = conv_filename_from_utf8(basename);
2594 subst_for_shellsafe_filename(base);