2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2011 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);
210 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
215 filename = procmsg_get_message_file_path(msginfo);
216 if (!filename || !is_file_exist(filename)) {
221 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
222 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
223 mimeinfo = procmime_scan_file_short(filename);
225 mimeinfo = procmime_scan_queue_file_short(filename);
233 H_CONTENT_TRANSFER_ENCODING = 0,
235 H_CONTENT_DISPOSITION = 2,
236 H_CONTENT_DESCRIPTION = 3,
240 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
244 cm_return_val_if_fail(mimeinfo != NULL, NULL);
245 cm_return_val_if_fail(name != NULL, NULL);
247 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
249 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
254 #define FLUSH_LASTLINE() { \
255 if (*lastline != '\0') { \
257 strretchomp(lastline); \
258 llen = strlen(lastline); \
259 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
260 /* this is flowed */ \
262 lastline[llen-1] = '\0'; \
263 if (fputs(lastline, outfp) == EOF) \
266 if (fputs(lastline, outfp) == EOF) \
268 if (fputs("\n", outfp) == EOF) \
272 strcpy(lastline, buf); \
275 gboolean procmime_decode_content(MimeInfo *mimeinfo)
282 gboolean tmp_file = FALSE;
283 gboolean flowed = FALSE;
284 gboolean delsp = FALSE;
285 gboolean err = FALSE;
287 EncodingType encoding = forced_encoding
289 : mimeinfo->encoding_type;
290 gchar lastline[BUFFSIZE];
291 memset(lastline, 0, BUFFSIZE);
293 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
295 if (prefs_common.respect_flowed_format &&
296 mimeinfo->type == MIMETYPE_TEXT &&
297 !strcasecmp(mimeinfo->subtype, "plain")) {
298 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
299 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
302 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
303 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
308 encoding == ENC_UNKNOWN ||
309 encoding == ENC_BINARY ||
310 encoding == ENC_7BIT ||
315 infp = g_fopen(mimeinfo->data.filename, "rb");
320 fseek(infp, mimeinfo->offset, SEEK_SET);
322 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
329 readend = mimeinfo->offset + mimeinfo->length;
331 if (encoding == ENC_QUOTED_PRINTABLE) {
332 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
334 len = qp_decode_line(buf);
337 if (fwrite(buf, 1, len, outfp) < len)
345 } else if (encoding == ENC_BASE64) {
346 gchar outbuf[BUFFSIZE];
347 gint len, inlen, inread;
348 Base64Decoder *decoder;
349 gboolean got_error = FALSE;
350 gboolean uncanonicalize = FALSE;
352 gboolean null_bytes = FALSE;
353 gboolean starting = TRUE;
355 if (mimeinfo->type == MIMETYPE_TEXT ||
356 mimeinfo->type == MIMETYPE_MESSAGE) {
357 uncanonicalize = TRUE;
358 tmpfp = my_tmpfile();
361 if (tmp_file) fclose(outfp);
367 decoder = base64_decoder_new();
368 while ((inlen = MIN(readend - ftell(infp), sizeof(buf))) > 0 && !err) {
369 inread = fread(buf, 1, inlen, infp);
370 len = base64_decoder_decode(decoder, buf, outbuf, inread);
371 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
372 uncanonicalize = FALSE;
376 if (((inread != inlen) || 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) {
658 return -(saved_errno);
660 restlength -= readlength;
664 if (fclose(outfp) == EOF) {
666 FILE_OP_ERROR(outfile, "fclose");
667 claws_unlink(outfile);
668 return -(saved_errno);
674 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
677 const gchar *src_codeset;
678 gboolean conv_fail = FALSE;
682 gboolean err = FALSE;
684 cm_return_val_if_fail(mimeinfo != NULL, NULL);
686 if (!procmime_decode_content(mimeinfo))
689 tmpfile = procmime_get_tmp_file_name(mimeinfo);
693 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
698 tmpfp = g_fopen(tmpfile, "rb");
704 if ((outfp = my_tmpfile()) == NULL) {
711 src_codeset = forced_charset
713 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
715 /* use supersets transparently when possible */
716 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
717 src_codeset = CS_WINDOWS_1252;
718 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
719 src_codeset = CS_GB18030;
720 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
721 src_codeset = CS_GB18030;
722 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
723 src_codeset = CS_GB18030;
725 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
726 SC_HTMLParser *parser;
729 conv = conv_code_converter_new(src_codeset);
730 parser = sc_html_parser_new(tmpfp, conv);
731 while ((str = sc_html_parse(parser)) != NULL) {
732 if (fputs(str, outfp) == EOF)
735 sc_html_parser_destroy(parser);
736 conv_code_converter_destroy(conv);
737 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
741 conv = conv_code_converter_new(src_codeset);
742 parser = ertf_parser_new(tmpfp, conv);
743 while ((str = ertf_parse(parser)) != NULL) {
744 if (fputs(str, outfp) == EOF)
747 ertf_parser_destroy(parser);
748 conv_code_converter_destroy(conv);
749 } else if (mimeinfo->type == MIMETYPE_TEXT) {
750 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
751 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
753 if (fputs(str, outfp) == EOF)
758 if (fputs(buf, outfp) == EOF)
765 g_warning("procmime_get_text_content(): Code conversion failed.\n");
769 claws_unlink(tmpfile);
780 FILE *procmime_get_binary_content(MimeInfo *mimeinfo)
785 cm_return_val_if_fail(mimeinfo != NULL, NULL);
787 if (!procmime_decode_content(mimeinfo))
790 tmpfile = procmime_get_tmp_file_name(mimeinfo);
794 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
799 outfp = g_fopen(tmpfile, "rb");
812 /* search the first text part of (multipart) MIME message,
813 decode, convert it and output to outfp. */
814 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
817 MimeInfo *mimeinfo, *partinfo;
818 gboolean empty_ok = FALSE, short_scan = TRUE;
820 cm_return_val_if_fail(msginfo != NULL, NULL);
822 /* first we try to short-scan (for speed), refusing empty parts */
825 mimeinfo = procmime_scan_message_short(msginfo);
827 mimeinfo = procmime_scan_message(msginfo);
828 if (!mimeinfo) return NULL;
831 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
832 (partinfo->length == 0 && !empty_ok))) {
833 partinfo = procmime_mimeinfo_next(partinfo);
836 outfp = procmime_get_text_content(partinfo);
837 else if (!empty_ok && short_scan) {
838 /* if short scan didn't find a non-empty part, rescan
839 * fully for non-empty parts
842 procmime_mimeinfo_free_all(mimeinfo);
844 } else if (!empty_ok && !short_scan) {
845 /* if full scan didn't find a non-empty part, rescan
846 * accepting empty parts
849 procmime_mimeinfo_free_all(mimeinfo);
852 procmime_mimeinfo_free_all(mimeinfo);
857 static gboolean find_encrypted_func(GNode *node, gpointer data)
859 MimeInfo *mimeinfo = (MimeInfo *) node->data;
860 MimeInfo **encinfo = (MimeInfo **) data;
862 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
870 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
872 MimeInfo *encinfo = NULL;
874 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
875 find_encrypted_func, &encinfo);
880 /* search the first encrypted text part of (multipart) MIME message,
881 decode, convert it and output to outfp. */
882 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
885 MimeInfo *mimeinfo, *partinfo, *encinfo;
887 cm_return_val_if_fail(msginfo != NULL, NULL);
889 mimeinfo = procmime_scan_message(msginfo);
895 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
896 debug_print("decrypting message part\n");
897 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
898 alertpanel_error(_("Couldn't decrypt: %s"),
899 privacy_get_error());
904 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
905 partinfo = procmime_mimeinfo_next(partinfo);
906 if (privacy_mimeinfo_is_signed(partinfo))
907 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
911 outfp = procmime_get_text_content(partinfo);
913 procmime_mimeinfo_free_all(mimeinfo);
918 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
920 MimeInfo *mimeinfo, *partinfo;
921 gboolean result = FALSE;
923 cm_return_val_if_fail(msginfo != NULL, FALSE);
925 mimeinfo = procmime_scan_message(msginfo);
931 result = (find_encrypted_part(partinfo) != NULL);
932 procmime_mimeinfo_free_all(mimeinfo);
937 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
939 static guint32 id = 0;
944 cm_return_val_if_fail(mimeinfo != NULL, NULL);
946 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
948 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
949 base = g_strdup("mimetmp.html");
951 const gchar *basetmp;
953 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
955 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
958 basetmp = g_path_get_basename(basetmp);
959 if (*basetmp == '\0')
960 basetmp = g_strdup("mimetmp");
961 base = conv_filename_from_utf8(basetmp);
962 g_free((gchar*)basetmp);
963 subst_for_shellsafe_filename(base);
966 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
967 f_prefix, base, NULL);
974 static GList *mime_type_list = NULL;
976 gchar *procmime_get_mime_type(const gchar *filename)
982 static GHashTable *mime_type_table = NULL;
985 if (!mime_type_table) {
986 mime_type_table = procmime_get_mime_type_table();
987 if (!mime_type_table) return NULL;
991 if (filename == NULL)
994 base = g_path_get_basename(filename);
995 if ((p = strrchr(base, '.')) != NULL)
996 ext = g_utf8_strdown(p + 1, -1);
1000 mime_type = g_hash_table_lookup(mime_type_table, ext);
1004 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1006 debug_print("got type %s for %s\n", str, ext);
1012 gchar *str = get_content_type_from_registry_with_ext(ext);
1019 static guint procmime_str_hash(gconstpointer gptr)
1021 guint hash_result = 0;
1024 for (str = gptr; str && *str; str++) {
1025 if (isupper(*str)) hash_result += (*str + ' ');
1026 else hash_result += *str;
1032 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1034 const char *str1 = gptr1;
1035 const char *str2 = gptr2;
1037 return !g_utf8_collate(str1, str2);
1040 static GHashTable *procmime_get_mime_type_table(void)
1042 GHashTable *table = NULL;
1044 MimeType *mime_type;
1047 if (!mime_type_list) {
1048 mime_type_list = procmime_get_mime_type_list();
1049 if (!mime_type_list) return NULL;
1052 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1054 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1058 mime_type = (MimeType *)cur->data;
1060 if (!mime_type->extension) continue;
1062 exts = g_strsplit(mime_type->extension, " ", 16);
1063 for (i = 0; exts[i] != NULL; i++) {
1064 /* use previously dup'd key on overwriting */
1065 if (g_hash_table_lookup(table, exts[i]))
1068 key = g_strdup(exts[i]);
1069 g_hash_table_insert(table, key, mime_type);
1077 GList *procmime_get_mime_type_list(void)
1081 gchar buf[BUFFSIZE];
1084 MimeType *mime_type;
1085 gboolean fp_is_glob_file = TRUE;
1088 return mime_type_list;
1090 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1091 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1093 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1096 fp_is_glob_file = FALSE;
1097 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1098 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1100 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1107 while (fgets(buf, sizeof(buf), fp) != NULL) {
1108 p = strchr(buf, '#');
1114 if (fp_is_glob_file) {
1115 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1117 while (*p && !g_ascii_isspace(*p)) p++;
1124 delim = strchr(buf, '/');
1125 if (delim == NULL) continue;
1128 mime_type = g_new(MimeType, 1);
1129 mime_type->type = g_strdup(buf);
1130 mime_type->sub_type = g_strdup(delim + 1);
1132 if (fp_is_glob_file) {
1133 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1135 while (*p && g_ascii_isspace(*p)) p++;
1139 mime_type->extension = g_utf8_strdown(p, -1);
1141 mime_type->extension = NULL;
1143 list = g_list_append(list, mime_type);
1149 g_warning("Can't read mime.types\n");
1154 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1158 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1159 !g_ascii_strcasecmp(charset, "US-ASCII"))
1161 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1162 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1163 !g_ascii_strcasecmp(charset, "Windows-1251"))
1165 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1166 return ENC_QUOTED_PRINTABLE;
1167 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1168 return ENC_QUOTED_PRINTABLE;
1173 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1176 guchar buf[BUFFSIZE];
1178 size_t octet_chars = 0;
1179 size_t total_len = 0;
1180 gfloat octet_percentage;
1181 gboolean force_b64 = FALSE;
1183 if ((fp = g_fopen(file, "rb")) == NULL) {
1184 FILE_OP_ERROR(file, "fopen");
1188 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1192 for (p = buf, i = 0; i < len; ++p, ++i) {
1206 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1208 octet_percentage = 0.0;
1210 debug_print("procmime_get_encoding_for_text_file(): "
1211 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1212 100.0 * octet_percentage);
1214 if (octet_percentage > 0.20 || force_b64) {
1215 debug_print("using BASE64\n");
1217 } else if (octet_chars > 0) {
1218 debug_print("using quoted-printable\n");
1219 return ENC_QUOTED_PRINTABLE;
1221 debug_print("using 7bit\n");
1226 struct EncodingTable
1229 EncodingType enc_type;
1232 struct EncodingTable encoding_table[] = {
1235 {"binary", ENC_BINARY},
1236 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1237 {"base64", ENC_BASE64},
1238 {"x-uuencode", ENC_UNKNOWN},
1239 {NULL, ENC_UNKNOWN},
1242 const gchar *procmime_get_encoding_str(EncodingType encoding)
1244 struct EncodingTable *enc_table;
1246 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1247 if (enc_table->enc_type == encoding)
1248 return enc_table->str;
1253 /* --- NEW MIME STUFF --- */
1260 static struct TypeTable mime_type_table[] = {
1261 {"text", MIMETYPE_TEXT},
1262 {"image", MIMETYPE_IMAGE},
1263 {"audio", MIMETYPE_AUDIO},
1264 {"video", MIMETYPE_VIDEO},
1265 {"application", MIMETYPE_APPLICATION},
1266 {"message", MIMETYPE_MESSAGE},
1267 {"multipart", MIMETYPE_MULTIPART},
1271 const gchar *procmime_get_media_type_str(MimeMediaType type)
1273 struct TypeTable *type_table;
1275 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1276 if (type_table->type == type)
1277 return type_table->str;
1282 MimeMediaType procmime_get_media_type(const gchar *str)
1284 struct TypeTable *typetablearray;
1286 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1287 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1288 return typetablearray->type;
1290 return MIMETYPE_UNKNOWN;
1294 *\brief Safe wrapper for content type string.
1296 *\return const gchar * Pointer to content type string.
1298 gchar *procmime_get_content_type_str(MimeMediaType type,
1299 const char *subtype)
1301 const gchar *type_str = NULL;
1303 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1304 return g_strdup("unknown");
1305 return g_strdup_printf("%s/%s", type_str, subtype);
1308 static int procmime_parse_mimepart(MimeInfo *parent,
1309 gchar *content_type,
1310 gchar *content_encoding,
1311 gchar *content_description,
1313 gchar *content_disposition,
1314 gchar *content_location,
1315 const gchar *original_msgid,
1316 const gchar *disposition_notification_hdr,
1317 const gchar *filename,
1320 gboolean short_scan);
1322 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1324 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1325 {"Content-Transfer-Encoding:",
1327 {"Content-Description:",
1331 {"Content-Disposition:",
1333 {"Content-Location:",
1337 {"Original-Message-ID:",
1341 {NULL, NULL, FALSE}};
1342 guint content_start, i;
1347 procmime_decode_content(mimeinfo);
1349 fp = g_fopen(mimeinfo->data.filename, "rb");
1351 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1354 fseek(fp, mimeinfo->offset, SEEK_SET);
1355 procheader_get_header_fields(fp, hentry);
1356 if (hentry[0].body != NULL) {
1357 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE);
1358 g_free(hentry[0].body);
1359 hentry[0].body = tmp;
1361 if (hentry[2].body != NULL) {
1362 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE);
1363 g_free(hentry[2].body);
1364 hentry[2].body = tmp;
1366 if (hentry[4].body != NULL) {
1367 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE);
1368 g_free(hentry[4].body);
1369 hentry[4].body = tmp;
1371 if (hentry[5].body != NULL) {
1372 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE);
1373 g_free(hentry[5].body);
1374 hentry[5].body = tmp;
1376 if (hentry[7].body != NULL) {
1377 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE);
1378 g_free(hentry[7].body);
1379 hentry[7].body = tmp;
1381 if (hentry[8].body != NULL) {
1382 tmp = conv_unmime_header(hentry[8].body, NULL, FALSE);
1383 g_free(hentry[8].body);
1384 hentry[8].body = tmp;
1387 content_start = ftell(fp);
1390 len = mimeinfo->length - (content_start - mimeinfo->offset);
1393 procmime_parse_mimepart(mimeinfo,
1394 hentry[0].body, hentry[1].body,
1395 hentry[2].body, hentry[3].body,
1396 hentry[4].body, hentry[5].body,
1397 hentry[7].body, hentry[8].body,
1398 mimeinfo->data.filename, content_start,
1401 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1402 g_free(hentry[i].body);
1403 hentry[i].body = NULL;
1407 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1408 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1409 gboolean short_scan)
1411 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1412 {"Disposition:", NULL, TRUE},
1413 {NULL, NULL, FALSE}};
1416 gchar *orig_msg_id = NULL;
1419 procmime_decode_content(mimeinfo);
1421 debug_print("parse disposition notification\n");
1422 fp = g_fopen(mimeinfo->data.filename, "rb");
1424 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1427 fseek(fp, mimeinfo->offset, SEEK_SET);
1429 if (original_msgid && disposition_notification_hdr) {
1430 hentry[0].body = g_strdup(original_msgid);
1431 hentry[1].body = g_strdup(disposition_notification_hdr);
1433 procheader_get_header_fields(fp, hentry);
1438 if (!hentry[0].body || !hentry[1].body) {
1439 debug_print("MsgId %s, Disp %s\n",
1440 hentry[0].body ? hentry[0].body:"(nil)",
1441 hentry[1].body ? hentry[1].body:"(nil)");
1445 orig_msg_id = g_strdup(hentry[0].body);
1446 disp = g_strdup(hentry[1].body);
1448 extract_parenthesis(orig_msg_id, '<', '>');
1449 remove_space(orig_msg_id);
1451 if (strstr(disp, "displayed")) {
1452 /* find sent message, if possible */
1453 MsgInfo *info = NULL;
1455 debug_print("%s has been displayed.\n", orig_msg_id);
1456 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1457 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1459 debug_print("skipping folder with no outbox...\n");
1462 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1463 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1465 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1466 procmsg_msginfo_free(info);
1470 g_free(orig_msg_id);
1473 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1474 g_free(hentry[i].body);
1475 hentry[i].body = NULL;
1479 #define GET_HEADERS() { \
1480 procheader_get_header_fields(fp, hentry); \
1481 if (hentry[0].body != NULL) { \
1482 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE); \
1483 g_free(hentry[0].body); \
1484 hentry[0].body = tmp; \
1486 if (hentry[2].body != NULL) { \
1487 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE); \
1488 g_free(hentry[2].body); \
1489 hentry[2].body = tmp; \
1491 if (hentry[4].body != NULL) { \
1492 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE); \
1493 g_free(hentry[4].body); \
1494 hentry[4].body = tmp; \
1496 if (hentry[5].body != NULL) { \
1497 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE); \
1498 g_free(hentry[5].body); \
1499 hentry[5].body = tmp; \
1501 if (hentry[6].body != NULL) { \
1502 tmp = conv_unmime_header(hentry[6].body, NULL, FALSE); \
1503 g_free(hentry[6].body); \
1504 hentry[6].body = tmp; \
1506 if (hentry[7].body != NULL) { \
1507 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE); \
1508 g_free(hentry[7].body); \
1509 hentry[7].body = tmp; \
1513 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1515 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1516 {"Content-Transfer-Encoding:",
1518 {"Content-Description:",
1522 {"Content-Disposition:",
1524 {"Content-Location:",
1526 {"Original-Message-ID:",
1530 {NULL, NULL, FALSE}};
1533 gint boundary_len = 0, lastoffset = -1, i;
1534 gchar buf[BUFFSIZE];
1537 gboolean done = FALSE;
1538 gboolean start_found = FALSE;
1539 gboolean end_found = FALSE;
1541 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1544 boundary_len = strlen(boundary);
1546 procmime_decode_content(mimeinfo);
1548 fp = g_fopen(mimeinfo->data.filename, "rb");
1550 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1554 fseek(fp, mimeinfo->offset, SEEK_SET);
1555 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1556 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1559 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1562 if (lastoffset != -1) {
1563 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1566 result = procmime_parse_mimepart(mimeinfo,
1567 hentry[0].body, hentry[1].body,
1568 hentry[2].body, hentry[3].body,
1569 hentry[4].body, hentry[5].body,
1570 hentry[6].body, hentry[7].body,
1571 mimeinfo->data.filename, lastoffset,
1573 if (result == 1 && short_scan) {
1579 if (buf[2 + boundary_len] == '-' &&
1580 buf[2 + boundary_len + 1] == '-') {
1584 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1585 g_free(hentry[i].body);
1586 hentry[i].body = NULL;
1589 lastoffset = ftell(fp);
1593 if (start_found && !end_found && lastoffset != -1) {
1594 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1597 result = procmime_parse_mimepart(mimeinfo,
1598 hentry[0].body, hentry[1].body,
1599 hentry[2].body, hentry[3].body,
1600 hentry[4].body, hentry[5].body,
1601 hentry[6].body, hentry[7].body,
1602 mimeinfo->data.filename, lastoffset,
1605 mimeinfo->broken = TRUE;
1608 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1609 g_free(hentry[i].body);
1610 hentry[i].body = NULL;
1615 static void parse_parameters(const gchar *parameters, GHashTable *table)
1617 gchar *params, *param, *next;
1618 GSList *convlist = NULL, *concatlist = NULL, *cur;
1620 params = g_strdup(parameters);
1623 for (; next != NULL; param = next) {
1624 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1626 gboolean convert = FALSE;
1628 next = strchr_with_skip_quote(param, '"', ';');
1637 value = strchr(attribute, '=');
1643 while (value[0] == ' ')
1646 down_attr = g_utf8_strdown(attribute, -1);
1647 orig_down_attr = down_attr;
1649 len = down_attr ? strlen(down_attr):0;
1650 if (len > 0 && down_attr[len - 1] == '*') {
1651 gchar *srcpos, *dstpos, *endpos;
1654 down_attr[len - 1] = '\0';
1658 endpos = value + strlen(value);
1659 while (srcpos < endpos) {
1665 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1676 if (value[0] == '"')
1677 extract_quote(value, '"');
1678 else if ((tmp = strchr(value, ' ')) != NULL)
1683 while (down_attr[0] == ' ')
1685 while (down_attr[strlen(down_attr)-1] == ' ')
1686 down_attr[strlen(down_attr)-1] = '\0';
1689 while (value[0] == ' ')
1691 while (value[strlen(value)-1] == ' ')
1692 value[strlen(value)-1] = '\0';
1694 if (down_attr && strrchr(down_attr, '*') != NULL) {
1697 tmpattr = g_strdup(down_attr);
1698 tmp = strrchr(tmpattr, '*');
1701 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1702 (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
1703 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1705 if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
1706 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1709 } else if (convert) {
1710 if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
1711 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1714 if (g_hash_table_lookup(table, down_attr) == NULL)
1715 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1716 g_free(orig_down_attr);
1719 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1720 gchar *attribute, *attrwnum, *partvalue;
1724 attribute = (gchar *) cur->data;
1725 value = g_string_sized_new(64);
1727 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1728 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1729 g_string_append(value, partvalue);
1731 g_hash_table_remove(table, attrwnum);
1734 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1738 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1739 g_string_free(value, TRUE);
1741 slist_free_strings(concatlist);
1742 g_slist_free(concatlist);
1744 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1745 gchar *attribute, *key, *value;
1746 gchar *charset, *lang, *oldvalue, *newvalue;
1748 attribute = (gchar *) cur->data;
1749 if (!g_hash_table_lookup_extended(
1750 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1754 lang = strchr(charset, '\'');
1759 oldvalue = strchr(lang, '\'');
1760 if (oldvalue == NULL)
1765 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1767 g_hash_table_remove(table, attribute);
1771 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1773 slist_free_strings(convlist);
1774 g_slist_free(convlist);
1779 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1781 cm_return_if_fail(content_type != NULL);
1782 cm_return_if_fail(mimeinfo != NULL);
1784 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1785 * if it's not available we use the default Content-Type */
1786 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1787 mimeinfo->type = MIMETYPE_TEXT;
1788 mimeinfo->subtype = g_strdup("plain");
1789 if (g_hash_table_lookup(mimeinfo->typeparameters,
1790 "charset") == NULL) {
1791 g_hash_table_insert(mimeinfo->typeparameters,
1792 g_strdup("charset"),
1794 conv_get_locale_charset_str_no_utf8()));
1797 gchar *type, *subtype, *params;
1799 type = g_strdup(content_type);
1800 subtype = strchr(type, '/') + 1;
1801 *(subtype - 1) = '\0';
1802 if ((params = strchr(subtype, ';')) != NULL) {
1807 mimeinfo->type = procmime_get_media_type(type);
1808 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1810 /* Get mimeinfo->typeparameters */
1812 parse_parameters(params, mimeinfo->typeparameters);
1818 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1820 gchar *tmp, *params;
1822 cm_return_if_fail(content_disposition != NULL);
1823 cm_return_if_fail(mimeinfo != NULL);
1825 tmp = g_strdup(content_disposition);
1826 if ((params = strchr(tmp, ';')) != NULL) {
1832 if (!g_ascii_strcasecmp(tmp, "inline"))
1833 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1834 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1835 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1837 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1840 parse_parameters(params, mimeinfo->dispositionparameters);
1846 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1848 struct EncodingTable *enc_table;
1850 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1851 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1852 mimeinfo->encoding_type = enc_table->enc_type;
1856 mimeinfo->encoding_type = ENC_UNKNOWN;
1860 static GSList *registered_parsers = NULL;
1862 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1865 for (cur = registered_parsers; cur; cur = cur->next) {
1866 MimeParser *parser = (MimeParser *)cur->data;
1867 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1873 void procmime_mimeparser_register(MimeParser *parser)
1875 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1876 registered_parsers = g_slist_append(registered_parsers, parser);
1880 void procmime_mimeparser_unregister(MimeParser *parser)
1882 registered_parsers = g_slist_remove(registered_parsers, parser);
1885 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1887 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1888 return parser->parse(parser, mimeinfo);
1891 static int procmime_parse_mimepart(MimeInfo *parent,
1892 gchar *content_type,
1893 gchar *content_encoding,
1894 gchar *content_description,
1896 gchar *content_disposition,
1897 gchar *content_location,
1898 const gchar *original_msgid,
1899 const gchar *disposition_notification_hdr,
1900 const gchar *filename,
1903 gboolean short_scan)
1906 MimeParser *parser = NULL;
1907 gboolean parsed = FALSE;
1910 /* Create MimeInfo */
1911 mimeinfo = procmime_mimeinfo_new();
1912 mimeinfo->content = MIMECONTENT_FILE;
1914 if (parent != NULL) {
1915 if (g_node_depth(parent->node) > 32) {
1916 /* 32 is an arbitrary value
1917 * this avoids DOSsing ourselves
1918 * with enormous messages
1920 procmime_mimeinfo_free_all(mimeinfo);
1923 g_node_append(parent->node, mimeinfo->node);
1925 mimeinfo->data.filename = g_strdup(filename);
1926 mimeinfo->offset = offset;
1927 mimeinfo->length = length;
1929 if (content_type != NULL) {
1930 procmime_parse_content_type(content_type, mimeinfo);
1932 mimeinfo->type = MIMETYPE_TEXT;
1933 mimeinfo->subtype = g_strdup("plain");
1934 if (g_hash_table_lookup(mimeinfo->typeparameters,
1935 "charset") == NULL) {
1936 g_hash_table_insert(mimeinfo->typeparameters,
1937 g_strdup("charset"),
1939 conv_get_locale_charset_str_no_utf8()));
1943 if (content_encoding != NULL) {
1944 procmime_parse_content_encoding(content_encoding, mimeinfo);
1946 mimeinfo->encoding_type = ENC_UNKNOWN;
1949 if (content_description != NULL)
1950 mimeinfo->description = g_strdup(content_description);
1952 mimeinfo->description = NULL;
1954 if (content_id != NULL)
1955 mimeinfo->id = g_strdup(content_id);
1957 mimeinfo->id = NULL;
1959 if (content_location != NULL)
1960 mimeinfo->location = g_strdup(content_location);
1962 mimeinfo->location = NULL;
1964 if (content_disposition != NULL)
1965 procmime_parse_content_disposition(content_disposition, mimeinfo);
1967 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1969 /* Call parser for mime type */
1970 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1971 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1974 switch (mimeinfo->type) {
1976 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
1981 case MIMETYPE_MESSAGE:
1982 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1983 procmime_parse_message_rfc822(mimeinfo, short_scan);
1985 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
1986 procmime_parse_disposition_notification(mimeinfo,
1987 original_msgid, disposition_notification_hdr, short_scan);
1991 case MIMETYPE_MULTIPART:
1992 procmime_parse_multipart(mimeinfo, short_scan);
1995 case MIMETYPE_APPLICATION:
1996 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
1997 && original_msgid && *original_msgid
1998 && disposition_notification_hdr && *disposition_notification_hdr) {
1999 procmime_parse_disposition_notification(mimeinfo,
2000 original_msgid, disposition_notification_hdr, short_scan);
2011 static gchar *typenames[] = {
2022 static gboolean output_func(GNode *node, gpointer data)
2025 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2027 depth = g_node_depth(node);
2028 for (i = 0; i < depth; i++)
2030 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2035 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2037 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2040 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2045 g_stat(filename, &buf);
2047 mimeinfo = procmime_mimeinfo_new();
2048 mimeinfo->content = MIMECONTENT_FILE;
2049 mimeinfo->encoding_type = ENC_UNKNOWN;
2050 mimeinfo->type = MIMETYPE_MESSAGE;
2051 mimeinfo->subtype = g_strdup("rfc822");
2052 mimeinfo->data.filename = g_strdup(filename);
2053 mimeinfo->offset = offset;
2054 mimeinfo->length = buf.st_size - offset;
2056 procmime_parse_message_rfc822(mimeinfo, short_scan);
2057 if (debug_get_mode())
2058 output_mime_structure(mimeinfo, 0);
2063 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2067 cm_return_val_if_fail(filename != NULL, NULL);
2069 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2074 MimeInfo *procmime_scan_file(const gchar *filename)
2076 return procmime_scan_file_full(filename, FALSE);
2079 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2081 return procmime_scan_file_full(filename, TRUE);
2084 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2088 gchar buf[BUFFSIZE];
2091 cm_return_val_if_fail(filename != NULL, NULL);
2094 if ((fp = g_fopen(filename, "rb")) == NULL)
2096 /* Skip queue header */
2097 while (fgets(buf, sizeof(buf), fp) != NULL) {
2099 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2100 strlen("X-Claws-End-Special-Headers:"))) ||
2101 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2102 strlen("X-Sylpheed-End-Special-Headers:"))))
2105 if (buf[0] == '\r' || buf[0] == '\n') break;
2106 /* from other mailers */
2107 if (!strncmp(buf, "Date: ", 6)
2108 || !strncmp(buf, "To: ", 4)
2109 || !strncmp(buf, "From: ", 6)
2110 || !strncmp(buf, "Subject: ", 9)) {
2118 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2123 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2125 return procmime_scan_queue_file_full(filename, FALSE);
2128 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2130 return procmime_scan_queue_file_full(filename, TRUE);
2135 ENC_AS_QUOTED_STRING,
2140 typedef struct _ParametersData {
2146 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2149 gchar *val = value, *valpos, *tmp;
2150 ParametersData *pdata = (ParametersData *)user_data;
2151 GString *buf = g_string_new("");
2154 EncodeAs encas = ENC_AS_TOKEN;
2156 for (valpos = val; *valpos != 0; valpos++) {
2157 if (!IS_ASCII(*valpos)) {
2158 encas = ENC_AS_ENCWORD;
2163 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2164 encas = ENC_AS_QUOTED_STRING;
2168 /* tspecials + SPACE */
2186 encas = ENC_AS_QUOTED_STRING;
2193 g_string_append_printf(buf, "%s=%s", param, val);
2196 case ENC_AS_QUOTED_STRING:
2197 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2200 #if 0 /* we don't use that for now */
2201 case ENC_AS_EXTENDED:
2202 if (!g_utf8_validate(val, -1, NULL))
2203 g_string_append_printf(buf, "%s*=%s''", param,
2204 conv_get_locale_charset_str());
2206 g_string_append_printf(buf, "%s*=%s''", param,
2208 for (valpos = val; *valpos != '\0'; valpos++) {
2209 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2210 g_string_append_printf(buf, "%c", *valpos);
2212 gchar hexstr[3] = "XX";
2213 get_hex_str(hexstr, *valpos);
2214 g_string_append_printf(buf, "%%%s", hexstr);
2219 case ENC_AS_EXTENDED:
2220 debug_print("Unhandled ENC_AS_EXTENDED.");
2223 case ENC_AS_ENCWORD:
2224 len = MAX(strlen(val)*6, 512);
2225 tmp = g_malloc(len+1);
2226 codeconv_set_strict(TRUE);
2227 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2228 prefs_common.outgoing_charset);
2229 codeconv_set_strict(FALSE);
2230 if (!tmp || !*tmp) {
2231 codeconv_set_strict(TRUE);
2232 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2233 conv_get_outgoing_charset_str());
2234 codeconv_set_strict(FALSE);
2236 if (!tmp || !*tmp) {
2237 codeconv_set_strict(TRUE);
2238 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2240 codeconv_set_strict(FALSE);
2242 if (!tmp || !*tmp) {
2243 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2246 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2252 if (buf->str && strlen(buf->str)) {
2253 tmp = strstr(buf->str, "\n");
2255 len = (tmp - buf->str);
2257 len = strlen(buf->str);
2258 if (pdata->len + len > 76) {
2259 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2260 pdata->error = TRUE;
2261 pdata->len = strlen(buf->str) + 1;
2263 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2264 pdata->error = TRUE;
2265 pdata->len += strlen(buf->str) + 2;
2268 g_string_free(buf, TRUE);
2271 #define TRY(func) { \
2277 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2279 struct TypeTable *type_table;
2280 ParametersData *pdata = g_new0(ParametersData, 1);
2281 debug_print("procmime_write_mime_header\n");
2284 pdata->error = FALSE;
2285 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2286 if (mimeinfo->type == type_table->type) {
2287 gchar *buf = g_strdup_printf(
2288 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2289 if (fprintf(fp, "%s", buf) < 0) {
2294 pdata->len = strlen(buf);
2298 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2299 if (pdata->error == TRUE) {
2305 TRY(fprintf(fp, "\n") >= 0);
2307 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2308 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2310 if (mimeinfo->description != NULL)
2311 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2313 if (mimeinfo->id != NULL)
2314 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2316 if (mimeinfo->location != NULL)
2317 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2319 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2320 ParametersData *pdata = g_new0(ParametersData, 1);
2322 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2323 buf = g_strdup("Content-Disposition: inline");
2324 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2325 buf = g_strdup("Content-Disposition: attachment");
2327 buf = g_strdup("Content-Disposition: unknown");
2329 if (fprintf(fp, "%s", buf) < 0) {
2334 pdata->len = strlen(buf);
2338 pdata->error = FALSE;
2339 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2340 if (pdata->error == TRUE) {
2345 TRY(fprintf(fp, "\n") >= 0);
2348 TRY(fprintf(fp, "\n") >= 0);
2353 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2358 gchar buf[BUFFSIZE];
2359 gboolean skip = FALSE;;
2362 debug_print("procmime_write_message_rfc822\n");
2365 switch (mimeinfo->content) {
2366 case MIMECONTENT_FILE:
2367 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2368 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2371 fseek(infp, mimeinfo->offset, SEEK_SET);
2372 while (fgets(buf, sizeof(buf), infp) == buf) {
2374 if (buf[0] == '\n' && buf[1] == '\0')
2376 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2378 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2379 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2380 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2381 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2382 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2383 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2384 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2389 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2390 g_warning("failed to dump %zd bytes from file", len);
2399 case MIMECONTENT_MEM:
2400 len = strlen(mimeinfo->data.mem);
2401 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2402 g_warning("failed to dump %zd bytes from mem", len);
2411 childnode = mimeinfo->node->children;
2412 if (childnode == NULL)
2415 child = (MimeInfo *) childnode->data;
2416 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2417 g_warning("failed to write mime version");
2420 if (procmime_write_mime_header(child, fp) < 0)
2422 return procmime_write_mimeinfo(child, fp);
2425 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2429 gchar *boundary, *str, *str2;
2430 gchar buf[BUFFSIZE];
2431 gboolean firstboundary;
2434 debug_print("procmime_write_multipart\n");
2436 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2438 switch (mimeinfo->content) {
2439 case MIMECONTENT_FILE:
2440 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2441 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2444 fseek(infp, mimeinfo->offset, SEEK_SET);
2445 while (fgets(buf, sizeof(buf), infp) == buf) {
2446 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2449 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2450 g_warning("failed to write %zd", len);
2458 case MIMECONTENT_MEM:
2459 str = g_strdup(mimeinfo->data.mem);
2460 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2461 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2464 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2465 g_warning("failed to write %zd from mem", len);
2476 childnode = mimeinfo->node->children;
2477 firstboundary = TRUE;
2478 while (childnode != NULL) {
2479 MimeInfo *child = childnode->data;
2482 firstboundary = FALSE;
2484 TRY(fprintf(fp, "\n") >= 0);
2486 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2488 if (procmime_write_mime_header(child, fp) < 0)
2490 if (procmime_write_mimeinfo(child, fp) < 0)
2493 childnode = g_node_next_sibling(childnode);
2495 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2500 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2504 debug_print("procmime_write_mimeinfo\n");
2506 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2507 switch (mimeinfo->content) {
2508 case MIMECONTENT_FILE:
2509 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2510 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2513 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2517 case MIMECONTENT_MEM:
2518 len = strlen(mimeinfo->data.mem);
2519 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2527 /* Call writer for mime type */
2528 switch (mimeinfo->type) {
2529 case MIMETYPE_MESSAGE:
2530 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2531 return procmime_write_message_rfc822(mimeinfo, fp);
2535 case MIMETYPE_MULTIPART:
2536 return procmime_write_multipart(mimeinfo, fp);
2548 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2552 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2553 base = g_strdup("mimetmp.html");
2555 const gchar *basetmp;
2558 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2559 if (basetmp == NULL)
2560 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2561 if (basetmp == NULL)
2562 basetmp = "mimetmp";
2563 basename = g_path_get_basename(basetmp);
2564 if (*basename == '\0') {
2566 basename = g_strdup("mimetmp");
2568 base = conv_filename_from_utf8(basename);
2570 subst_for_shellsafe_filename(base);