2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2007 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 g_return_val_if_fail(mimeinfo != NULL, NULL);
160 g_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 g_return_val_if_fail(mimeinfo != NULL, NULL);
170 g_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 g_return_val_if_fail(mimeinfo != NULL, NULL);
246 g_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 g_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;
354 if (mimeinfo->type == MIMETYPE_TEXT ||
355 mimeinfo->type == MIMETYPE_MESSAGE) {
356 uncanonicalize = TRUE;
357 tmpfp = my_tmpfile();
360 if (tmp_file) fclose(outfp);
366 decoder = base64_decoder_new();
367 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
368 len = base64_decoder_decode(decoder, buf, outbuf);
369 if (len < 0 && !got_error) {
370 g_warning("Bad BASE64 content.\n");
371 if (fwrite(_("[Error decoding BASE64]\n"),
373 strlen(_("[Error decoding BASE64]\n")),
374 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
375 g_warning("error decoding BASE64");
378 } else if (len >= 0) {
379 /* print out the error message only once
381 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
386 base64_decoder_free(decoder);
388 if (uncanonicalize) {
390 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
392 if (fputs(buf, outfp) == EOF)
397 } else if (encoding == ENC_X_UUENCODE) {
398 gchar outbuf[BUFFSIZE];
400 gboolean flag = FALSE;
402 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
403 if (!flag && strncmp(buf,"begin ", 6)) continue;
406 len = fromuutobits(outbuf, buf);
409 g_warning("Bad UUENCODE content(%d)\n", len);
412 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
418 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
420 if (fputs(buf, outfp) == EOF)
429 g_warning("write error");
439 stat(tmpfilename, &statbuf);
440 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
441 claws_unlink(mimeinfo->data.filename);
442 g_free(mimeinfo->data.filename);
443 mimeinfo->data.filename = tmpfilename;
444 mimeinfo->tmp = TRUE;
445 mimeinfo->offset = 0;
446 mimeinfo->length = statbuf.st_size;
447 mimeinfo->encoding_type = ENC_BINARY;
452 #define B64_LINE_SIZE 57
453 #define B64_BUFFSIZE 77
455 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
457 FILE *infp = NULL, *outfp;
461 gboolean err = FALSE;
463 if (mimeinfo->content == MIMECONTENT_EMPTY)
466 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
467 mimeinfo->encoding_type != ENC_BINARY &&
468 mimeinfo->encoding_type != ENC_7BIT &&
469 mimeinfo->encoding_type != ENC_8BIT)
470 if(!procmime_decode_content(mimeinfo))
473 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
479 if (mimeinfo->content == MIMECONTENT_FILE) {
480 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
481 g_warning("Can't open file %s\n", mimeinfo->data.filename);
484 } else if (mimeinfo->content == MIMECONTENT_MEM) {
485 infp = str_open_as_stream(mimeinfo->data.mem);
490 if (encoding == ENC_BASE64) {
491 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
493 gchar *tmp_file = NULL;
495 if (mimeinfo->type == MIMETYPE_TEXT ||
496 mimeinfo->type == MIMETYPE_MESSAGE) {
497 if (mimeinfo->content == MIMECONTENT_FILE) {
498 tmp_file = get_tmp_file();
499 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
504 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
505 FILE_OP_ERROR(tmp_file, "fopen");
506 claws_unlink(tmp_file);
512 gchar *out = canonicalize_str(mimeinfo->data.mem);
514 infp = str_open_as_stream(out);
522 while ((len = fread(inbuf, sizeof(gchar),
523 B64_LINE_SIZE, tmp_fp))
525 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
526 if (fputs(outbuf, outfp) == EOF)
528 if (fputc('\n', outfp) == EOF)
531 if (len > 0 && feof(tmp_fp)) {
532 base64_encode(outbuf, inbuf, len);
533 if (fputs(outbuf, outfp) == EOF)
535 if (fputc('\n', outfp) == EOF)
541 claws_unlink(tmp_file);
544 } else if (encoding == ENC_QUOTED_PRINTABLE) {
545 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
547 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
548 qp_encode_line(outbuf, inbuf);
550 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
551 gchar *tmpbuf = outbuf;
553 tmpbuf += sizeof("From ")-1;
555 if (fputs("=46rom ", outfp) == EOF)
557 if (fputs(tmpbuf, outfp) == EOF)
560 if (fputs(outbuf, outfp) == EOF)
567 while (fgets(buf, sizeof(buf), infp) != NULL) {
569 if (fputs(buf, outfp) == EOF)
580 if (mimeinfo->content == MIMECONTENT_FILE) {
581 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
582 claws_unlink(mimeinfo->data.filename);
583 g_free(mimeinfo->data.filename);
584 } else if (mimeinfo->content == MIMECONTENT_MEM) {
585 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
586 g_free(mimeinfo->data.mem);
589 stat(tmpfilename, &statbuf);
590 mimeinfo->content = MIMECONTENT_FILE;
591 mimeinfo->data.filename = tmpfilename;
592 mimeinfo->tmp = TRUE;
593 mimeinfo->offset = 0;
594 mimeinfo->length = statbuf.st_size;
595 mimeinfo->encoding_type = encoding;
600 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
604 gint restlength, readlength;
605 gint saved_errno = 0;
607 g_return_val_if_fail(outfile != NULL, -1);
608 g_return_val_if_fail(mimeinfo != NULL, -1);
610 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
613 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
615 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
616 return -(saved_errno);
618 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
620 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
622 return -(saved_errno);
624 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
626 FILE_OP_ERROR(outfile, "fopen");
628 return -(saved_errno);
631 restlength = mimeinfo->length;
633 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
634 if (fwrite(buf, 1, readlength, outfp) != readlength) {
637 return -(saved_errno);
639 restlength -= readlength;
643 if (fclose(outfp) == EOF) {
645 FILE_OP_ERROR(outfile, "fclose");
646 claws_unlink(outfile);
647 return -(saved_errno);
653 static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
656 const gchar *src_codeset;
657 gboolean conv_fail = FALSE;
661 gboolean err = FALSE;
663 g_return_val_if_fail(mimeinfo != NULL, NULL);
665 if (!procmime_decode_content(mimeinfo))
668 tmpfile = procmime_get_tmp_file_name(mimeinfo);
672 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
677 tmpfp = g_fopen(tmpfile, "rb");
683 if ((outfp = my_tmpfile()) == NULL) {
690 src_codeset = forced_charset
692 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
694 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
695 src_codeset = CS_WINDOWS_1252;
697 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
698 SC_HTMLParser *parser;
701 conv = conv_code_converter_new(src_codeset);
702 parser = sc_html_parser_new(tmpfp, conv);
703 while ((str = sc_html_parse(parser)) != NULL) {
704 if (fputs(str, outfp) == EOF)
707 sc_html_parser_destroy(parser);
708 conv_code_converter_destroy(conv);
709 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
713 conv = conv_code_converter_new(src_codeset);
714 parser = ertf_parser_new(tmpfp, conv);
715 while ((str = ertf_parse(parser)) != NULL) {
716 if (fputs(str, outfp) == EOF)
719 ertf_parser_destroy(parser);
720 conv_code_converter_destroy(conv);
721 } else if (mimeinfo->type == MIMETYPE_TEXT) {
722 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
723 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
725 if (fputs(str, outfp) == EOF)
730 if (fputs(buf, outfp) == EOF)
737 g_warning("procmime_get_text_content(): Code conversion failed.\n");
741 claws_unlink(tmpfile);
752 /* search the first text part of (multipart) MIME message,
753 decode, convert it and output to outfp. */
754 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
757 MimeInfo *mimeinfo, *partinfo;
758 gboolean empty_ok = FALSE, short_scan = TRUE;
760 g_return_val_if_fail(msginfo != NULL, NULL);
762 /* first we try to short-scan (for speed), refusing empty parts */
765 mimeinfo = procmime_scan_message_short(msginfo);
767 mimeinfo = procmime_scan_message(msginfo);
768 if (!mimeinfo) return NULL;
771 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
772 (partinfo->length == 0 && !empty_ok))) {
773 partinfo = procmime_mimeinfo_next(partinfo);
776 outfp = procmime_get_text_content(partinfo);
777 else if (!empty_ok && short_scan) {
778 /* if short scan didn't find a non-empty part, rescan
779 * fully for non-empty parts
782 procmime_mimeinfo_free_all(mimeinfo);
784 } else if (!empty_ok && !short_scan) {
785 /* if full scan didn't find a non-empty part, rescan
786 * accepting empty parts
789 procmime_mimeinfo_free_all(mimeinfo);
792 procmime_mimeinfo_free_all(mimeinfo);
798 static gboolean find_encrypted_func(GNode *node, gpointer data)
800 MimeInfo *mimeinfo = (MimeInfo *) node->data;
801 MimeInfo **encinfo = (MimeInfo **) data;
803 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
811 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
813 MimeInfo *encinfo = NULL;
815 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
816 find_encrypted_func, &encinfo);
821 /* search the first encrypted text part of (multipart) MIME message,
822 decode, convert it and output to outfp. */
823 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
826 MimeInfo *mimeinfo, *partinfo, *encinfo;
828 g_return_val_if_fail(msginfo != NULL, NULL);
830 mimeinfo = procmime_scan_message(msginfo);
836 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
837 debug_print("decrypting message part\n");
838 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
839 alertpanel_error(_("Couldn't decrypt: %s"),
840 privacy_get_error());
845 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
846 partinfo = procmime_mimeinfo_next(partinfo);
847 if (privacy_mimeinfo_is_signed(partinfo))
848 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
852 outfp = procmime_get_text_content(partinfo);
854 procmime_mimeinfo_free_all(mimeinfo);
859 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
861 MimeInfo *mimeinfo, *partinfo;
862 gboolean result = FALSE;
864 g_return_val_if_fail(msginfo != NULL, FALSE);
866 mimeinfo = procmime_scan_message(msginfo);
872 result = (find_encrypted_part(partinfo) != NULL);
873 procmime_mimeinfo_free_all(mimeinfo);
878 static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
879 const gchar *str, StrFindFunc find_func)
884 g_return_val_if_fail(mimeinfo != NULL, FALSE);
885 g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
886 g_return_val_if_fail(str != NULL, FALSE);
887 g_return_val_if_fail(find_func != NULL, FALSE);
889 outfp = procmime_get_text_content(mimeinfo);
894 while (fgets(buf, sizeof(buf), outfp) != NULL) {
896 if (find_func(buf, str)) {
907 gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
908 StrFindFunc find_func)
913 gboolean found = FALSE;
915 g_return_val_if_fail(msginfo != NULL, FALSE);
916 g_return_val_if_fail(str != NULL, FALSE);
917 g_return_val_if_fail(find_func != NULL, FALSE);
919 filename = procmsg_get_message_file(msginfo);
920 if (!filename) return FALSE;
921 mimeinfo = procmime_scan_message(msginfo);
923 for (partinfo = mimeinfo; partinfo != NULL;
924 partinfo = procmime_mimeinfo_next(partinfo)) {
925 if (partinfo->type == MIMETYPE_TEXT) {
926 if (procmime_find_string_part
927 (partinfo, filename, str, find_func) == TRUE) {
934 procmime_mimeinfo_free_all(mimeinfo);
940 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
942 static guint32 id = 0;
947 g_return_val_if_fail(mimeinfo != NULL, NULL);
949 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
951 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
952 base = g_strdup("mimetmp.html");
954 const gchar *basetmp;
956 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
958 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
961 basetmp = g_path_get_basename(basetmp);
962 if (*basetmp == '\0')
963 basetmp = g_strdup("mimetmp");
964 base = conv_filename_from_utf8(basetmp);
965 g_free((gchar*)basetmp);
966 subst_for_shellsafe_filename(base);
969 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
970 f_prefix, base, NULL);
977 static GList *mime_type_list = NULL;
979 gchar *procmime_get_mime_type(const gchar *filename)
981 static GHashTable *mime_type_table = NULL;
987 if (!mime_type_table) {
988 mime_type_table = procmime_get_mime_type_table();
989 if (!mime_type_table) return NULL;
992 base = g_path_get_basename(filename);
993 if ((p = strrchr(base, '.')) != NULL)
994 ext = g_utf8_strdown(p + 1, -1);
997 mime_type = g_hash_table_lookup(mime_type_table, ext);
1002 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1010 static guint procmime_str_hash(gconstpointer gptr)
1012 guint hash_result = 0;
1015 for (str = gptr; str && *str; str++) {
1016 if (isupper(*str)) hash_result += (*str + ' ');
1017 else hash_result += *str;
1023 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1025 const char *str1 = gptr1;
1026 const char *str2 = gptr2;
1028 return !g_utf8_collate(str1, str2);
1031 static GHashTable *procmime_get_mime_type_table(void)
1033 GHashTable *table = NULL;
1035 MimeType *mime_type;
1038 if (!mime_type_list) {
1039 mime_type_list = procmime_get_mime_type_list();
1040 if (!mime_type_list) return NULL;
1043 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1045 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1049 mime_type = (MimeType *)cur->data;
1051 if (!mime_type->extension) continue;
1053 exts = g_strsplit(mime_type->extension, " ", 16);
1054 for (i = 0; exts[i] != NULL; i++) {
1055 /* use previously dup'd key on overwriting */
1056 if (g_hash_table_lookup(table, exts[i]))
1059 key = g_strdup(exts[i]);
1060 g_hash_table_insert(table, key, mime_type);
1068 GList *procmime_get_mime_type_list(void)
1072 gchar buf[BUFFSIZE];
1075 MimeType *mime_type;
1076 gboolean fp_is_glob_file = TRUE;
1079 return mime_type_list;
1081 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1082 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1084 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1087 fp_is_glob_file = FALSE;
1088 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1089 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1091 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1098 while (fgets(buf, sizeof(buf), fp) != NULL) {
1099 p = strchr(buf, '#');
1105 if (fp_is_glob_file) {
1106 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1108 while (*p && !g_ascii_isspace(*p)) p++;
1115 delim = strchr(buf, '/');
1116 if (delim == NULL) continue;
1119 mime_type = g_new(MimeType, 1);
1120 mime_type->type = g_strdup(buf);
1121 mime_type->sub_type = g_strdup(delim + 1);
1123 if (fp_is_glob_file) {
1124 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1126 while (*p && g_ascii_isspace(*p)) p++;
1130 mime_type->extension = g_utf8_strdown(p, -1);
1132 mime_type->extension = NULL;
1134 list = g_list_append(list, mime_type);
1140 g_warning("Can't read mime.types\n");
1145 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1149 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1150 !g_ascii_strcasecmp(charset, "US-ASCII"))
1152 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1153 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1154 !g_ascii_strcasecmp(charset, "Windows-1251"))
1156 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1157 return ENC_QUOTED_PRINTABLE;
1158 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1159 return ENC_QUOTED_PRINTABLE;
1164 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1167 guchar buf[BUFFSIZE];
1169 size_t octet_chars = 0;
1170 size_t total_len = 0;
1171 gfloat octet_percentage;
1172 gboolean force_b64 = FALSE;
1174 if ((fp = g_fopen(file, "rb")) == NULL) {
1175 FILE_OP_ERROR(file, "fopen");
1179 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1183 for (p = buf, i = 0; i < len; ++p, ++i) {
1197 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1199 octet_percentage = 0.0;
1201 debug_print("procmime_get_encoding_for_text_file(): "
1202 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1203 100.0 * octet_percentage);
1205 if (octet_percentage > 0.20 || force_b64) {
1206 debug_print("using BASE64\n");
1208 } else if (octet_chars > 0) {
1209 debug_print("using quoted-printable\n");
1210 return ENC_QUOTED_PRINTABLE;
1212 debug_print("using 7bit\n");
1217 struct EncodingTable
1220 EncodingType enc_type;
1223 struct EncodingTable encoding_table[] = {
1226 {"binary", ENC_BINARY},
1227 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1228 {"base64", ENC_BASE64},
1229 {"x-uuencode", ENC_UNKNOWN},
1230 {NULL, ENC_UNKNOWN},
1233 const gchar *procmime_get_encoding_str(EncodingType encoding)
1235 struct EncodingTable *enc_table;
1237 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1238 if (enc_table->enc_type == encoding)
1239 return enc_table->str;
1244 /* --- NEW MIME STUFF --- */
1251 static struct TypeTable mime_type_table[] = {
1252 {"text", MIMETYPE_TEXT},
1253 {"image", MIMETYPE_IMAGE},
1254 {"audio", MIMETYPE_AUDIO},
1255 {"video", MIMETYPE_VIDEO},
1256 {"application", MIMETYPE_APPLICATION},
1257 {"message", MIMETYPE_MESSAGE},
1258 {"multipart", MIMETYPE_MULTIPART},
1262 const gchar *procmime_get_media_type_str(MimeMediaType type)
1264 struct TypeTable *type_table;
1266 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1267 if (type_table->type == type)
1268 return type_table->str;
1273 MimeMediaType procmime_get_media_type(const gchar *str)
1275 struct TypeTable *typetablearray;
1277 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1278 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1279 return typetablearray->type;
1281 return MIMETYPE_UNKNOWN;
1285 *\brief Safe wrapper for content type string.
1287 *\return const gchar * Pointer to content type string.
1289 gchar *procmime_get_content_type_str(MimeMediaType type,
1290 const char *subtype)
1292 const gchar *type_str = NULL;
1294 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1295 return g_strdup("unknown");
1296 return g_strdup_printf("%s/%s", type_str, subtype);
1299 static int procmime_parse_mimepart(MimeInfo *parent,
1300 gchar *content_type,
1301 gchar *content_encoding,
1302 gchar *content_description,
1304 gchar *content_disposition,
1305 gchar *content_location,
1306 const gchar *original_msgid,
1307 const gchar *disposition_notification_hdr,
1308 const gchar *filename,
1311 gboolean short_scan);
1313 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1315 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1316 {"Content-Transfer-Encoding:",
1318 {"Content-Description:",
1322 {"Content-Disposition:",
1324 {"Content-Location:",
1328 {"Original-Message-ID:",
1332 {NULL, NULL, FALSE}};
1333 guint content_start, i;
1338 procmime_decode_content(mimeinfo);
1340 fp = g_fopen(mimeinfo->data.filename, "rb");
1342 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1345 fseek(fp, mimeinfo->offset, SEEK_SET);
1346 procheader_get_header_fields(fp, hentry);
1347 if (hentry[0].body != NULL) {
1348 tmp = conv_unmime_header(hentry[0].body, NULL);
1349 g_free(hentry[0].body);
1350 hentry[0].body = tmp;
1352 if (hentry[2].body != NULL) {
1353 tmp = conv_unmime_header(hentry[2].body, NULL);
1354 g_free(hentry[2].body);
1355 hentry[2].body = tmp;
1357 if (hentry[4].body != NULL) {
1358 tmp = conv_unmime_header(hentry[4].body, NULL);
1359 g_free(hentry[4].body);
1360 hentry[4].body = tmp;
1362 if (hentry[5].body != NULL) {
1363 tmp = conv_unmime_header(hentry[5].body, NULL);
1364 g_free(hentry[5].body);
1365 hentry[5].body = tmp;
1367 if (hentry[7].body != NULL) {
1368 tmp = conv_unmime_header(hentry[7].body, NULL);
1369 g_free(hentry[7].body);
1370 hentry[7].body = tmp;
1372 if (hentry[8].body != NULL) {
1373 tmp = conv_unmime_header(hentry[8].body, NULL);
1374 g_free(hentry[8].body);
1375 hentry[8].body = tmp;
1378 content_start = ftell(fp);
1381 len = mimeinfo->length - (content_start - mimeinfo->offset);
1384 procmime_parse_mimepart(mimeinfo,
1385 hentry[0].body, hentry[1].body,
1386 hentry[2].body, hentry[3].body,
1387 hentry[4].body, hentry[5].body,
1388 hentry[7].body, hentry[8].body,
1389 mimeinfo->data.filename, content_start,
1392 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1393 g_free(hentry[i].body);
1394 hentry[i].body = NULL;
1398 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1399 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1400 gboolean short_scan)
1402 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1403 {"Disposition:", NULL, TRUE},
1404 {NULL, NULL, FALSE}};
1407 gchar *orig_msg_id = NULL;
1410 procmime_decode_content(mimeinfo);
1412 debug_print("parse disposition notification\n");
1413 fp = g_fopen(mimeinfo->data.filename, "rb");
1415 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1418 fseek(fp, mimeinfo->offset, SEEK_SET);
1420 if (original_msgid && disposition_notification_hdr) {
1421 hentry[0].body = g_strdup(original_msgid);
1422 hentry[1].body = g_strdup(disposition_notification_hdr);
1424 procheader_get_header_fields(fp, hentry);
1427 if (!hentry[0].body || !hentry[1].body) {
1428 debug_print("MsgId %s, Disp %s\n",
1429 hentry[0].body ? hentry[0].body:"(nil)",
1430 hentry[1].body ? hentry[1].body:"(nil)");
1434 orig_msg_id = g_strdup(hentry[0].body);
1435 disp = g_strdup(hentry[1].body);
1437 extract_parenthesis(orig_msg_id, '<', '>');
1438 remove_space(orig_msg_id);
1440 if (strstr(disp, "displayed")) {
1441 /* find sent message, if possible */
1442 MsgInfo *info = NULL;
1444 debug_print("%s has been displayed.\n", orig_msg_id);
1445 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1446 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1448 debug_print("skipping folder with no outbox...\n");
1451 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1452 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1454 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1455 procmsg_msginfo_free(info);
1459 g_free(orig_msg_id);
1462 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1463 g_free(hentry[i].body);
1464 hentry[i].body = NULL;
1468 #define GET_HEADERS() { \
1469 procheader_get_header_fields(fp, hentry); \
1470 if (hentry[0].body != NULL) { \
1471 tmp = conv_unmime_header(hentry[0].body, NULL); \
1472 g_free(hentry[0].body); \
1473 hentry[0].body = tmp; \
1475 if (hentry[2].body != NULL) { \
1476 tmp = conv_unmime_header(hentry[2].body, NULL); \
1477 g_free(hentry[2].body); \
1478 hentry[2].body = tmp; \
1480 if (hentry[4].body != NULL) { \
1481 tmp = conv_unmime_header(hentry[4].body, NULL); \
1482 g_free(hentry[4].body); \
1483 hentry[4].body = tmp; \
1485 if (hentry[5].body != NULL) { \
1486 tmp = conv_unmime_header(hentry[5].body, NULL); \
1487 g_free(hentry[5].body); \
1488 hentry[5].body = tmp; \
1490 if (hentry[6].body != NULL) { \
1491 tmp = conv_unmime_header(hentry[6].body, NULL); \
1492 g_free(hentry[6].body); \
1493 hentry[6].body = tmp; \
1495 if (hentry[7].body != NULL) { \
1496 tmp = conv_unmime_header(hentry[7].body, NULL); \
1497 g_free(hentry[7].body); \
1498 hentry[7].body = tmp; \
1502 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1504 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1505 {"Content-Transfer-Encoding:",
1507 {"Content-Description:",
1511 {"Content-Disposition:",
1513 {"Content-Location:",
1515 {"Original-Message-ID:",
1519 {NULL, NULL, FALSE}};
1522 gint boundary_len = 0, lastoffset = -1, i;
1523 gchar buf[BUFFSIZE];
1526 gboolean done = FALSE;
1528 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1531 boundary_len = strlen(boundary);
1533 procmime_decode_content(mimeinfo);
1535 fp = g_fopen(mimeinfo->data.filename, "rb");
1537 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1540 fseek(fp, mimeinfo->offset, SEEK_SET);
1541 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1542 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1545 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1546 if (lastoffset != -1) {
1547 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1550 result = procmime_parse_mimepart(mimeinfo,
1551 hentry[0].body, hentry[1].body,
1552 hentry[2].body, hentry[3].body,
1553 hentry[4].body, hentry[5].body,
1554 hentry[6].body, hentry[7].body,
1555 mimeinfo->data.filename, lastoffset,
1557 if (result == 1 && short_scan) {
1563 if (buf[2 + boundary_len] == '-' &&
1564 buf[2 + boundary_len + 1] == '-') {
1567 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1568 g_free(hentry[i].body);
1569 hentry[i].body = NULL;
1572 lastoffset = ftell(fp);
1575 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1576 g_free(hentry[i].body);
1577 hentry[i].body = NULL;
1582 static void parse_parameters(const gchar *parameters, GHashTable *table)
1584 gchar *params, *param, *next;
1585 GSList *convlist = NULL, *concatlist = NULL, *cur;
1587 params = g_strdup(parameters);
1590 for (; next != NULL; param = next) {
1591 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1593 gboolean convert = FALSE;
1595 next = strchr_with_skip_quote(param, '"', ';');
1604 value = strchr(attribute, '=');
1610 while (value[0] == ' ')
1613 down_attr = g_utf8_strdown(attribute, -1);
1614 orig_down_attr = down_attr;
1616 len = strlen(down_attr);
1617 if (down_attr[len - 1] == '*') {
1618 gchar *srcpos, *dstpos, *endpos;
1621 down_attr[len - 1] = '\0';
1625 endpos = value + strlen(value);
1626 while (srcpos < endpos) {
1632 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1643 if (value[0] == '"')
1644 extract_quote(value, '"');
1645 else if ((tmp = strchr(value, ' ')) != NULL)
1650 while (down_attr[0] == ' ')
1652 while (down_attr[strlen(down_attr)-1] == ' ')
1653 down_attr[strlen(down_attr)-1] = '\0';
1656 while (value[0] == ' ')
1658 while (value[strlen(value)-1] == ' ')
1659 value[strlen(value)-1] = '\0';
1661 if (strrchr(down_attr, '*') != NULL) {
1664 tmpattr = g_strdup(down_attr);
1665 tmp = strrchr(tmpattr, '*');
1668 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1669 (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
1670 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1672 if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
1673 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1676 } else if (convert) {
1677 if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
1678 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1681 if (g_hash_table_lookup(table, down_attr) == NULL)
1682 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1683 g_free(orig_down_attr);
1686 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1687 gchar *attribute, *attrwnum, *partvalue;
1691 attribute = (gchar *) cur->data;
1692 value = g_string_sized_new(64);
1694 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1695 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1696 g_string_append(value, partvalue);
1700 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1704 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1705 g_string_free(value, TRUE);
1707 slist_free_strings(concatlist);
1708 g_slist_free(concatlist);
1710 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1711 gchar *attribute, *key, *value;
1712 gchar *charset, *lang, *oldvalue, *newvalue;
1714 attribute = (gchar *) cur->data;
1715 if (!g_hash_table_lookup_extended(
1716 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1720 lang = strchr(charset, '\'');
1725 oldvalue = strchr(lang, '\'');
1726 if (oldvalue == NULL)
1731 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1733 g_hash_table_remove(table, attribute);
1737 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1739 slist_free_strings(convlist);
1740 g_slist_free(convlist);
1745 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1747 g_return_if_fail(content_type != NULL);
1748 g_return_if_fail(mimeinfo != NULL);
1750 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1751 * if it's not available we use the default Content-Type */
1752 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1753 mimeinfo->type = MIMETYPE_TEXT;
1754 mimeinfo->subtype = g_strdup("plain");
1755 if (g_hash_table_lookup(mimeinfo->typeparameters,
1756 "charset") == NULL) {
1757 g_hash_table_insert(mimeinfo->typeparameters,
1758 g_strdup("charset"),
1760 conv_get_locale_charset_str_no_utf8()));
1763 gchar *type, *subtype, *params;
1765 type = g_strdup(content_type);
1766 subtype = strchr(type, '/') + 1;
1767 *(subtype - 1) = '\0';
1768 if ((params = strchr(subtype, ';')) != NULL) {
1773 mimeinfo->type = procmime_get_media_type(type);
1774 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1776 /* Get mimeinfo->typeparameters */
1778 parse_parameters(params, mimeinfo->typeparameters);
1784 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1786 gchar *tmp, *params;
1788 g_return_if_fail(content_disposition != NULL);
1789 g_return_if_fail(mimeinfo != NULL);
1791 tmp = g_strdup(content_disposition);
1792 if ((params = strchr(tmp, ';')) != NULL) {
1798 if (!g_ascii_strcasecmp(tmp, "inline"))
1799 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1800 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1801 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1803 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1806 parse_parameters(params, mimeinfo->dispositionparameters);
1812 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1814 struct EncodingTable *enc_table;
1816 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1817 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1818 mimeinfo->encoding_type = enc_table->enc_type;
1822 mimeinfo->encoding_type = ENC_UNKNOWN;
1826 static GSList *registered_parsers = NULL;
1828 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1831 for (cur = registered_parsers; cur; cur = cur->next) {
1832 MimeParser *parser = (MimeParser *)cur->data;
1833 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1839 void procmime_mimeparser_register(MimeParser *parser)
1841 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1842 registered_parsers = g_slist_append(registered_parsers, parser);
1846 void procmime_mimeparser_unregister(MimeParser *parser)
1848 registered_parsers = g_slist_remove(registered_parsers, parser);
1851 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1853 g_return_val_if_fail(parser->parse != NULL, FALSE);
1854 return parser->parse(parser, mimeinfo);
1857 static int procmime_parse_mimepart(MimeInfo *parent,
1858 gchar *content_type,
1859 gchar *content_encoding,
1860 gchar *content_description,
1862 gchar *content_disposition,
1863 gchar *content_location,
1864 const gchar *original_msgid,
1865 const gchar *disposition_notification_hdr,
1866 const gchar *filename,
1869 gboolean short_scan)
1872 MimeParser *parser = NULL;
1873 gboolean parsed = FALSE;
1876 /* Create MimeInfo */
1877 mimeinfo = procmime_mimeinfo_new();
1878 mimeinfo->content = MIMECONTENT_FILE;
1879 if (parent != NULL) {
1880 if (g_node_depth(parent->node) > 32) {
1881 /* 32 is an arbitrary value
1882 * this avoids DOSsing ourselves
1883 * with enormous messages
1885 procmime_mimeinfo_free_all(mimeinfo);
1888 g_node_append(parent->node, mimeinfo->node);
1890 mimeinfo->data.filename = g_strdup(filename);
1891 mimeinfo->offset = offset;
1892 mimeinfo->length = length;
1894 if (content_type != NULL) {
1895 procmime_parse_content_type(content_type, mimeinfo);
1897 mimeinfo->type = MIMETYPE_TEXT;
1898 mimeinfo->subtype = g_strdup("plain");
1899 if (g_hash_table_lookup(mimeinfo->typeparameters,
1900 "charset") == NULL) {
1901 g_hash_table_insert(mimeinfo->typeparameters,
1902 g_strdup("charset"),
1904 conv_get_locale_charset_str_no_utf8()));
1908 if (content_encoding != NULL) {
1909 procmime_parse_content_encoding(content_encoding, mimeinfo);
1911 mimeinfo->encoding_type = ENC_UNKNOWN;
1914 if (content_description != NULL)
1915 mimeinfo->description = g_strdup(content_description);
1917 mimeinfo->description = NULL;
1919 if (content_id != NULL)
1920 mimeinfo->id = g_strdup(content_id);
1922 mimeinfo->id = NULL;
1924 if (content_location != NULL)
1925 mimeinfo->location = g_strdup(content_location);
1927 mimeinfo->location = NULL;
1929 if (content_disposition != NULL)
1930 procmime_parse_content_disposition(content_disposition, mimeinfo);
1932 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1934 /* Call parser for mime type */
1935 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1936 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1939 switch (mimeinfo->type) {
1941 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
1946 case MIMETYPE_MESSAGE:
1947 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1948 procmime_parse_message_rfc822(mimeinfo, short_scan);
1950 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
1951 procmime_parse_disposition_notification(mimeinfo,
1952 original_msgid, disposition_notification_hdr, short_scan);
1956 case MIMETYPE_MULTIPART:
1957 procmime_parse_multipart(mimeinfo, short_scan);
1960 case MIMETYPE_APPLICATION:
1961 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
1962 && original_msgid && *original_msgid
1963 && disposition_notification_hdr && *disposition_notification_hdr) {
1964 procmime_parse_disposition_notification(mimeinfo,
1965 original_msgid, disposition_notification_hdr, short_scan);
1976 static gchar *typenames[] = {
1987 static gboolean output_func(GNode *node, gpointer data)
1990 MimeInfo *mimeinfo = (MimeInfo *) node->data;
1992 depth = g_node_depth(node);
1993 for (i = 0; i < depth; i++)
1995 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2000 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2002 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2005 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2010 stat(filename, &buf);
2012 mimeinfo = procmime_mimeinfo_new();
2013 mimeinfo->content = MIMECONTENT_FILE;
2014 mimeinfo->encoding_type = ENC_UNKNOWN;
2015 mimeinfo->type = MIMETYPE_MESSAGE;
2016 mimeinfo->subtype = g_strdup("rfc822");
2017 mimeinfo->data.filename = g_strdup(filename);
2018 mimeinfo->offset = offset;
2019 mimeinfo->length = buf.st_size - offset;
2021 procmime_parse_message_rfc822(mimeinfo, short_scan);
2022 if (debug_get_mode())
2023 output_mime_structure(mimeinfo, 0);
2028 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2032 g_return_val_if_fail(filename != NULL, NULL);
2034 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2039 MimeInfo *procmime_scan_file(const gchar *filename)
2041 return procmime_scan_file_full(filename, FALSE);
2044 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2046 return procmime_scan_file_full(filename, TRUE);
2049 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2053 gchar buf[BUFFSIZE];
2056 g_return_val_if_fail(filename != NULL, NULL);
2059 if ((fp = g_fopen(filename, "rb")) == NULL)
2061 /* Skip queue header */
2062 while (fgets(buf, sizeof(buf), fp) != NULL) {
2064 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2065 strlen("X-Claws-End-Special-Headers:"))) ||
2066 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2067 strlen("X-Sylpheed-End-Special-Headers:"))))
2070 if (buf[0] == '\r' || buf[0] == '\n') break;
2071 /* from other mailers */
2072 if (!strncmp(buf, "Date: ", 6)
2073 || !strncmp(buf, "To: ", 4)
2074 || !strncmp(buf, "From: ", 6)
2075 || !strncmp(buf, "Subject: ", 9)) {
2083 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2088 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2090 return procmime_scan_queue_file_full(filename, FALSE);
2093 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2095 return procmime_scan_queue_file_full(filename, TRUE);
2100 ENC_AS_QUOTED_STRING,
2105 typedef struct _ParametersData {
2112 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2115 gchar *val = value, *valpos, *tmp;
2116 ParametersData *pdata = (ParametersData *)user_data;
2117 GString *buf = g_string_new("");
2119 EncodeAs encas = ENC_AS_TOKEN;
2121 for (valpos = val; *valpos != 0; valpos++) {
2122 if (!IS_ASCII(*valpos) || *valpos == '"') {
2123 encas = ENC_AS_EXTENDED;
2128 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2129 encas = ENC_AS_QUOTED_STRING;
2133 /* tspecials + SPACE */
2151 encas = ENC_AS_QUOTED_STRING;
2156 if (encas == ENC_AS_EXTENDED && pdata->ascii_only == TRUE)
2157 encas = ENC_TO_ASCII;
2161 g_string_append_printf(buf, "%s=%s", param, val);
2165 tmp = g_strdup(val);
2167 " ()<>@,';:\\/[]?=.0123456789"
2168 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
2169 "abcdefghijklmnopqrstuvwxyz",
2171 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2175 case ENC_AS_QUOTED_STRING:
2176 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2179 case ENC_AS_EXTENDED:
2180 if (!g_utf8_validate(val, -1, NULL))
2181 g_string_append_printf(buf, "%s*=%s''", param,
2182 conv_get_locale_charset_str());
2184 g_string_append_printf(buf, "%s*=%s''", param,
2186 for (valpos = val; *valpos != '\0'; valpos++) {
2187 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2188 g_string_append_printf(buf, "%c", *valpos);
2190 gchar hexstr[3] = "XX";
2191 get_hex_str(hexstr, *valpos);
2192 g_string_append_printf(buf, "%%%s", hexstr);
2198 if (buf->str && strlen(buf->str)) {
2199 if (pdata->len + strlen(buf->str) + 2 > 76) {
2200 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2201 pdata->error = TRUE;
2202 pdata->len = strlen(buf->str) + 1;
2204 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2205 pdata->error = TRUE;
2206 pdata->len += strlen(buf->str) + 2;
2209 g_string_free(buf, TRUE);
2212 #define TRY(func) { \
2218 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2220 struct TypeTable *type_table;
2221 ParametersData *pdata = g_new0(ParametersData, 1);
2222 debug_print("procmime_write_mime_header\n");
2225 pdata->ascii_only = FALSE;
2226 pdata->error = FALSE;
2227 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2228 if (mimeinfo->type == type_table->type) {
2229 gchar *buf = g_strdup_printf(
2230 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2231 if (fprintf(fp, "%s", buf) < 0) {
2236 pdata->len = strlen(buf);
2237 pdata->ascii_only = TRUE;
2241 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2242 if (pdata->error == TRUE) {
2248 TRY(fprintf(fp, "\n") >= 0);
2250 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2251 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2253 if (mimeinfo->description != NULL)
2254 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2256 if (mimeinfo->id != NULL)
2257 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2259 if (mimeinfo->location != NULL)
2260 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2262 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2263 ParametersData *pdata = g_new0(ParametersData, 1);
2265 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2266 buf = g_strdup("Content-Disposition: inline");
2267 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2268 buf = g_strdup("Content-Disposition: attachment");
2270 buf = g_strdup("Content-Disposition: unknown");
2272 if (fprintf(fp, "%s", buf) < 0) {
2277 pdata->len = strlen(buf);
2281 pdata->ascii_only = FALSE;
2282 pdata->error = FALSE;
2283 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2284 if (pdata->error == TRUE) {
2289 TRY(fprintf(fp, "\n") >= 0);
2292 TRY(fprintf(fp, "\n") >= 0);
2297 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2302 gchar buf[BUFFSIZE];
2303 gboolean skip = FALSE;;
2306 debug_print("procmime_write_message_rfc822\n");
2309 switch (mimeinfo->content) {
2310 case MIMECONTENT_FILE:
2311 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2312 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2315 fseek(infp, mimeinfo->offset, SEEK_SET);
2316 while (fgets(buf, sizeof(buf), infp) == buf) {
2318 if (buf[0] == '\n' && buf[1] == '\0')
2320 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2322 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2323 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2324 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2325 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2326 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2327 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2328 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2333 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2334 g_warning("failed to dump %zd bytes from file", len);
2343 case MIMECONTENT_MEM:
2344 len = strlen(mimeinfo->data.mem);
2345 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2346 g_warning("failed to dump %zd bytes from mem", len);
2355 childnode = mimeinfo->node->children;
2356 if (childnode == NULL)
2359 child = (MimeInfo *) childnode->data;
2360 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2361 g_warning("failed to write mime version");
2364 if (procmime_write_mime_header(child, fp) < 0)
2366 return procmime_write_mimeinfo(child, fp);
2369 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2373 gchar *boundary, *str, *str2;
2374 gchar buf[BUFFSIZE];
2375 gboolean firstboundary;
2378 debug_print("procmime_write_multipart\n");
2380 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2382 switch (mimeinfo->content) {
2383 case MIMECONTENT_FILE:
2384 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2385 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2388 fseek(infp, mimeinfo->offset, SEEK_SET);
2389 while (fgets(buf, sizeof(buf), infp) == buf) {
2390 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2393 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2394 g_warning("failed to write %zd", len);
2402 case MIMECONTENT_MEM:
2403 str = g_strdup(mimeinfo->data.mem);
2404 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2405 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2408 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2409 g_warning("failed to write %zd from mem", len);
2420 childnode = mimeinfo->node->children;
2421 firstboundary = TRUE;
2422 while (childnode != NULL) {
2423 MimeInfo *child = childnode->data;
2426 firstboundary = FALSE;
2428 TRY(fprintf(fp, "\n") >= 0);
2430 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2432 if (procmime_write_mime_header(child, fp) < 0)
2434 if (procmime_write_mimeinfo(child, fp) < 0)
2437 childnode = g_node_next_sibling(childnode);
2439 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2444 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2448 debug_print("procmime_write_mimeinfo\n");
2450 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2451 switch (mimeinfo->content) {
2452 case MIMECONTENT_FILE:
2453 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2454 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2457 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2461 case MIMECONTENT_MEM:
2462 len = strlen(mimeinfo->data.mem);
2463 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2471 /* Call writer for mime type */
2472 switch (mimeinfo->type) {
2473 case MIMETYPE_MESSAGE:
2474 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2475 return procmime_write_message_rfc822(mimeinfo, fp);
2479 case MIMETYPE_MULTIPART:
2480 return procmime_write_multipart(mimeinfo, fp);
2492 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2496 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2497 base = g_strdup("mimetmp.html");
2499 const gchar *basetmp;
2502 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2503 if (basetmp == NULL)
2504 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2505 if (basetmp == NULL)
2506 basetmp = "mimetmp";
2507 basename = g_path_get_basename(basetmp);
2508 if (*basename == '\0') {
2510 basename = g_strdup("mimetmp");
2512 base = conv_filename_from_utf8(basename);
2514 subst_for_shellsafe_filename(base);