2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 Hiroyuki Yamamoto & The Claws Mail Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "claws-features.h"
29 #include <glib/gi18n.h>
36 #include <sys/types.h>
42 #include "procheader.h"
44 #include "quoted-printable.h"
51 #include "prefs_common.h"
52 #include "prefs_gtk.h"
53 #include "alertpanel.h"
57 static GHashTable *procmime_get_mime_type_table (void);
58 static MimeInfo *procmime_scan_file_short(const gchar *filename);
59 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
60 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
62 MimeInfo *procmime_mimeinfo_new(void)
66 mimeinfo = g_new0(MimeInfo, 1);
67 mimeinfo->content = MIMECONTENT_EMPTY;
68 mimeinfo->data.filename = NULL;
70 mimeinfo->type = MIMETYPE_UNKNOWN;
71 mimeinfo->encoding_type = ENC_UNKNOWN;
72 mimeinfo->typeparameters = g_hash_table_new(g_str_hash, g_str_equal);
74 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
75 mimeinfo->dispositionparameters
76 = g_hash_table_new(g_str_hash, g_str_equal);
78 mimeinfo->node = g_node_new(mimeinfo);
83 static gboolean procmime_mimeinfo_parameters_destroy(gpointer key, gpointer value, gpointer user_data)
91 static gchar *forced_charset = NULL;
93 void procmime_force_charset(const gchar *str)
95 g_free(forced_charset);
96 forced_charset = NULL;
98 forced_charset = g_strdup(str);
101 static EncodingType forced_encoding = 0;
103 void procmime_force_encoding(EncodingType encoding)
105 forced_encoding = encoding;
108 static gboolean free_func(GNode *node, gpointer data)
110 MimeInfo *mimeinfo = (MimeInfo *) node->data;
112 switch (mimeinfo->content) {
113 case MIMECONTENT_FILE:
115 claws_unlink(mimeinfo->data.filename);
116 g_free(mimeinfo->data.filename);
119 case MIMECONTENT_MEM:
121 g_free(mimeinfo->data.mem);
126 g_free(mimeinfo->subtype);
127 g_free(mimeinfo->description);
128 g_free(mimeinfo->id);
129 g_free(mimeinfo->location);
131 g_hash_table_foreach_remove(mimeinfo->typeparameters,
132 procmime_mimeinfo_parameters_destroy, NULL);
133 g_hash_table_destroy(mimeinfo->typeparameters);
134 g_hash_table_foreach_remove(mimeinfo->dispositionparameters,
135 procmime_mimeinfo_parameters_destroy, NULL);
136 g_hash_table_destroy(mimeinfo->dispositionparameters);
138 if (mimeinfo->privacy)
139 privacy_free_privacydata(mimeinfo->privacy);
146 void procmime_mimeinfo_free_all(MimeInfo *mimeinfo)
153 node = mimeinfo->node;
154 g_node_traverse(node, G_IN_ORDER, G_TRAVERSE_ALL, -1, free_func, NULL);
156 g_node_destroy(node);
159 MimeInfo *procmime_mimeinfo_parent(MimeInfo *mimeinfo)
161 cm_return_val_if_fail(mimeinfo != NULL, NULL);
162 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
164 if (mimeinfo->node->parent == NULL)
166 return (MimeInfo *) mimeinfo->node->parent->data;
169 MimeInfo *procmime_mimeinfo_next(MimeInfo *mimeinfo)
171 cm_return_val_if_fail(mimeinfo != NULL, NULL);
172 cm_return_val_if_fail(mimeinfo->node != NULL, NULL);
174 if (mimeinfo->node->children)
175 return (MimeInfo *) mimeinfo->node->children->data;
176 if (mimeinfo->node->next)
177 return (MimeInfo *) mimeinfo->node->next->data;
179 if (mimeinfo->node->parent == NULL)
182 while (mimeinfo->node->parent != NULL) {
183 mimeinfo = (MimeInfo *) mimeinfo->node->parent->data;
184 if (mimeinfo->node->next)
185 return (MimeInfo *) mimeinfo->node->next->data;
191 MimeInfo *procmime_scan_message(MsgInfo *msginfo)
196 filename = procmsg_get_message_file_path(msginfo);
197 if (!filename || !is_file_exist(filename)) {
202 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
203 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
204 mimeinfo = procmime_scan_file(filename);
206 mimeinfo = procmime_scan_queue_file(filename);
212 MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
217 filename = procmsg_get_message_file_path(msginfo);
218 if (!filename || !is_file_exist(filename)) {
223 if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
224 !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
225 mimeinfo = procmime_scan_file_short(filename);
227 mimeinfo = procmime_scan_queue_file_short(filename);
235 H_CONTENT_TRANSFER_ENCODING = 0,
237 H_CONTENT_DISPOSITION = 2,
238 H_CONTENT_DESCRIPTION = 3,
242 const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *name)
246 cm_return_val_if_fail(mimeinfo != NULL, NULL);
247 cm_return_val_if_fail(name != NULL, NULL);
249 value = g_hash_table_lookup(mimeinfo->dispositionparameters, name);
251 value = g_hash_table_lookup(mimeinfo->typeparameters, name);
256 #define FLUSH_LASTLINE() { \
257 if (*lastline != '\0') { \
259 strretchomp(lastline); \
260 llen = strlen(lastline); \
261 if (lastline[llen-1] == ' ' && strcmp(lastline,"-- ")) { \
262 /* this is flowed */ \
264 lastline[llen-1] = '\0'; \
265 if (fputs(lastline, outfp) == EOF) \
268 if (fputs(lastline, outfp) == EOF) \
270 if (fputs("\n", outfp) == EOF) \
274 strcpy(lastline, buf); \
277 gboolean procmime_decode_content(MimeInfo *mimeinfo)
284 gboolean tmp_file = FALSE;
285 gboolean flowed = FALSE;
286 gboolean delsp = FALSE;
287 gboolean err = FALSE;
289 EncodingType encoding = forced_encoding
291 : mimeinfo->encoding_type;
292 gchar lastline[BUFFSIZE];
293 memset(lastline, 0, BUFFSIZE);
295 cm_return_val_if_fail(mimeinfo != NULL, FALSE);
297 if (prefs_common.respect_flowed_format &&
298 mimeinfo->type == MIMETYPE_TEXT &&
299 !strcasecmp(mimeinfo->subtype, "plain")) {
300 if (procmime_mimeinfo_get_parameter(mimeinfo, "format") != NULL &&
301 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "format"),"flowed"))
304 procmime_mimeinfo_get_parameter(mimeinfo, "delsp") != NULL &&
305 !strcasecmp(procmime_mimeinfo_get_parameter(mimeinfo, "delsp"),"yes"))
310 encoding == ENC_UNKNOWN ||
311 encoding == ENC_BINARY ||
312 encoding == ENC_7BIT ||
317 infp = g_fopen(mimeinfo->data.filename, "rb");
322 fseek(infp, mimeinfo->offset, SEEK_SET);
324 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
331 readend = mimeinfo->offset + mimeinfo->length;
333 if (encoding == ENC_QUOTED_PRINTABLE) {
334 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
336 len = qp_decode_line(buf);
339 if (fwrite(buf, 1, len, outfp) < len)
347 } else if (encoding == ENC_BASE64) {
348 gchar outbuf[BUFFSIZE];
349 gint len, inlen, inread;
350 Base64Decoder *decoder;
351 gboolean got_error = FALSE;
352 gboolean uncanonicalize = FALSE;
354 gboolean null_bytes = FALSE;
355 gboolean starting = TRUE;
357 if (mimeinfo->type == MIMETYPE_TEXT ||
358 mimeinfo->type == MIMETYPE_MESSAGE) {
359 uncanonicalize = TRUE;
360 tmpfp = my_tmpfile();
363 if (tmp_file) fclose(outfp);
369 decoder = base64_decoder_new();
370 while ((inlen = MIN(readend - ftell(infp), sizeof(buf))) > 0 && !err) {
371 inread = fread(buf, 1, inlen, infp);
372 len = base64_decoder_decode(decoder, buf, outbuf, inread);
373 if (uncanonicalize == TRUE && strlen(outbuf) < len && starting) {
374 uncanonicalize = FALSE;
378 if (((inread != inlen) || len < 0) && !got_error) {
379 g_warning("Bad BASE64 content.\n");
380 if (fwrite(_("[Error decoding BASE64]\n"),
382 strlen(_("[Error decoding BASE64]\n")),
383 tmpfp) < strlen(_("[Error decoding BASE64]\n")))
384 g_warning("error decoding BASE64");
387 } else if (len >= 0) {
388 /* print out the error message only once
391 /* we won't uncanonicalize, output to outfp directly */
392 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
395 if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
401 base64_decoder_free(decoder);
403 if (uncanonicalize) {
405 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
407 if (fputs(buf, outfp) == EOF)
412 } else if (encoding == ENC_X_UUENCODE) {
413 gchar outbuf[BUFFSIZE];
415 gboolean flag = FALSE;
417 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
418 if (!flag && strncmp(buf,"begin ", 6)) continue;
421 len = fromuutobits(outbuf, buf);
424 g_warning("Bad UUENCODE content(%d)\n", len);
427 if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
433 while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
435 if (fputs(buf, outfp) == EOF)
444 g_warning("write error");
454 g_stat(tmpfilename, &statbuf);
455 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
456 claws_unlink(mimeinfo->data.filename);
457 g_free(mimeinfo->data.filename);
458 mimeinfo->data.filename = tmpfilename;
459 mimeinfo->tmp = TRUE;
460 mimeinfo->offset = 0;
461 mimeinfo->length = statbuf.st_size;
462 mimeinfo->encoding_type = ENC_BINARY;
467 #define B64_LINE_SIZE 57
468 #define B64_BUFFSIZE 77
470 gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
472 FILE *infp = NULL, *outfp;
476 gboolean err = FALSE;
478 if (mimeinfo->content == MIMECONTENT_EMPTY)
481 if (mimeinfo->encoding_type != ENC_UNKNOWN &&
482 mimeinfo->encoding_type != ENC_BINARY &&
483 mimeinfo->encoding_type != ENC_7BIT &&
484 mimeinfo->encoding_type != ENC_8BIT)
485 if(!procmime_decode_content(mimeinfo))
488 outfp = get_tmpfile_in_dir(get_mime_tmp_dir(), &tmpfilename);
494 if (mimeinfo->content == MIMECONTENT_FILE && mimeinfo->data.filename) {
495 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
496 g_warning("Can't open file %s\n", mimeinfo->data.filename);
500 } else if (mimeinfo->content == MIMECONTENT_MEM) {
501 infp = str_open_as_stream(mimeinfo->data.mem);
508 if (encoding == ENC_BASE64) {
509 gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
511 gchar *tmp_file = NULL;
513 if (mimeinfo->type == MIMETYPE_TEXT ||
514 mimeinfo->type == MIMETYPE_MESSAGE) {
515 if (mimeinfo->content == MIMECONTENT_FILE) {
516 tmp_file = get_tmp_file();
517 if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
523 if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
524 FILE_OP_ERROR(tmp_file, "fopen");
525 claws_unlink(tmp_file);
532 gchar *out = canonicalize_str(mimeinfo->data.mem);
534 infp = str_open_as_stream(out);
544 while ((len = fread(inbuf, sizeof(gchar),
545 B64_LINE_SIZE, tmp_fp))
547 base64_encode(outbuf, inbuf, B64_LINE_SIZE);
548 if (fputs(outbuf, outfp) == EOF)
550 if (fputc('\n', outfp) == EOF)
553 if (len > 0 && feof(tmp_fp)) {
554 base64_encode(outbuf, inbuf, len);
555 if (fputs(outbuf, outfp) == EOF)
557 if (fputc('\n', outfp) == EOF)
563 claws_unlink(tmp_file);
566 } else if (encoding == ENC_QUOTED_PRINTABLE) {
567 gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
569 while (fgets(inbuf, sizeof(inbuf), infp) != NULL) {
570 qp_encode_line(outbuf, inbuf);
572 if (!strncmp("From ", outbuf, sizeof("From ")-1)) {
573 gchar *tmpbuf = outbuf;
575 tmpbuf += sizeof("From ")-1;
577 if (fputs("=46rom ", outfp) == EOF)
579 if (fputs(tmpbuf, outfp) == EOF)
582 if (fputs(outbuf, outfp) == EOF)
589 while (fgets(buf, sizeof(buf), infp) != NULL) {
591 if (fputs(buf, outfp) == EOF)
602 if (mimeinfo->content == MIMECONTENT_FILE) {
603 if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
604 claws_unlink(mimeinfo->data.filename);
605 g_free(mimeinfo->data.filename);
606 } else if (mimeinfo->content == MIMECONTENT_MEM) {
607 if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
608 g_free(mimeinfo->data.mem);
611 g_stat(tmpfilename, &statbuf);
612 mimeinfo->content = MIMECONTENT_FILE;
613 mimeinfo->data.filename = tmpfilename;
614 mimeinfo->tmp = TRUE;
615 mimeinfo->offset = 0;
616 mimeinfo->length = statbuf.st_size;
617 mimeinfo->encoding_type = encoding;
622 gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
626 gint restlength, readlength;
627 gint saved_errno = 0;
629 cm_return_val_if_fail(outfile != NULL, -1);
630 cm_return_val_if_fail(mimeinfo != NULL, -1);
632 if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
635 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
637 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
638 return -(saved_errno);
640 if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
642 FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
644 return -(saved_errno);
646 if ((outfp = g_fopen(outfile, "wb")) == NULL) {
648 FILE_OP_ERROR(outfile, "fopen");
650 return -(saved_errno);
653 restlength = mimeinfo->length;
655 while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
656 if (fwrite(buf, 1, readlength, outfp) != readlength) {
660 return -(saved_errno);
662 restlength -= readlength;
666 if (fclose(outfp) == EOF) {
668 FILE_OP_ERROR(outfile, "fclose");
669 claws_unlink(outfile);
670 return -(saved_errno);
676 FILE *procmime_get_text_content(MimeInfo *mimeinfo)
679 const gchar *src_codeset;
680 gboolean conv_fail = FALSE;
684 gboolean err = FALSE;
686 cm_return_val_if_fail(mimeinfo != NULL, NULL);
688 if (!procmime_decode_content(mimeinfo))
691 tmpfile = procmime_get_tmp_file_name(mimeinfo);
695 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
700 tmpfp = g_fopen(tmpfile, "rb");
706 if ((outfp = my_tmpfile()) == NULL) {
713 src_codeset = forced_charset
715 procmime_mimeinfo_get_parameter(mimeinfo, "charset");
717 /* use supersets transparently when possible */
718 if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
719 src_codeset = CS_WINDOWS_1252;
720 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_X_GBK))
721 src_codeset = CS_GB18030;
722 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GBK))
723 src_codeset = CS_GB18030;
724 else if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_GB2312))
725 src_codeset = CS_GB18030;
727 if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
728 SC_HTMLParser *parser;
731 conv = conv_code_converter_new(src_codeset);
732 parser = sc_html_parser_new(tmpfp, conv);
733 while ((str = sc_html_parse(parser)) != NULL) {
734 if (fputs(str, outfp) == EOF)
737 sc_html_parser_destroy(parser);
738 conv_code_converter_destroy(conv);
739 } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched")) {
743 conv = conv_code_converter_new(src_codeset);
744 parser = ertf_parser_new(tmpfp, conv);
745 while ((str = ertf_parse(parser)) != NULL) {
746 if (fputs(str, outfp) == EOF)
749 ertf_parser_destroy(parser);
750 conv_code_converter_destroy(conv);
751 } else if (mimeinfo->type == MIMETYPE_TEXT) {
752 while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
753 str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
755 if (fputs(str, outfp) == EOF)
760 if (fputs(buf, outfp) == EOF)
767 g_warning("procmime_get_text_content(): Code conversion failed.\n");
771 claws_unlink(tmpfile);
782 FILE *procmime_get_binary_content(MimeInfo *mimeinfo)
787 cm_return_val_if_fail(mimeinfo != NULL, NULL);
789 if (!procmime_decode_content(mimeinfo))
792 tmpfile = procmime_get_tmp_file_name(mimeinfo);
796 if (procmime_get_part(tmpfile, mimeinfo) < 0) {
801 outfp = g_fopen(tmpfile, "rb");
814 /* search the first text part of (multipart) MIME message,
815 decode, convert it and output to outfp. */
816 FILE *procmime_get_first_text_content(MsgInfo *msginfo)
819 MimeInfo *mimeinfo, *partinfo;
820 gboolean empty_ok = FALSE, short_scan = TRUE;
822 cm_return_val_if_fail(msginfo != NULL, NULL);
824 /* first we try to short-scan (for speed), refusing empty parts */
827 mimeinfo = procmime_scan_message_short(msginfo);
829 mimeinfo = procmime_scan_message(msginfo);
830 if (!mimeinfo) return NULL;
833 while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
834 (partinfo->length == 0 && !empty_ok))) {
835 partinfo = procmime_mimeinfo_next(partinfo);
838 outfp = procmime_get_text_content(partinfo);
839 else if (!empty_ok && short_scan) {
840 /* if short scan didn't find a non-empty part, rescan
841 * fully for non-empty parts
844 procmime_mimeinfo_free_all(mimeinfo);
846 } else if (!empty_ok && !short_scan) {
847 /* if full scan didn't find a non-empty part, rescan
848 * accepting empty parts
851 procmime_mimeinfo_free_all(mimeinfo);
854 procmime_mimeinfo_free_all(mimeinfo);
859 static gboolean find_encrypted_func(GNode *node, gpointer data)
861 MimeInfo *mimeinfo = (MimeInfo *) node->data;
862 MimeInfo **encinfo = (MimeInfo **) data;
864 if (privacy_mimeinfo_is_encrypted(mimeinfo)) {
872 static MimeInfo *find_encrypted_part(MimeInfo *rootinfo)
874 MimeInfo *encinfo = NULL;
876 g_node_traverse(rootinfo->node, G_IN_ORDER, G_TRAVERSE_ALL, -1,
877 find_encrypted_func, &encinfo);
882 /* search the first encrypted text part of (multipart) MIME message,
883 decode, convert it and output to outfp. */
884 FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
887 MimeInfo *mimeinfo, *partinfo, *encinfo;
889 cm_return_val_if_fail(msginfo != NULL, NULL);
891 mimeinfo = procmime_scan_message(msginfo);
897 if ((encinfo = find_encrypted_part(partinfo)) != NULL) {
898 debug_print("decrypting message part\n");
899 if (privacy_mimeinfo_decrypt(encinfo) < 0) {
900 alertpanel_error(_("Couldn't decrypt: %s"),
901 privacy_get_error());
906 while (partinfo && partinfo->type != MIMETYPE_TEXT) {
907 partinfo = procmime_mimeinfo_next(partinfo);
908 if (privacy_mimeinfo_is_signed(partinfo))
909 procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
913 outfp = procmime_get_text_content(partinfo);
915 procmime_mimeinfo_free_all(mimeinfo);
920 gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
922 MimeInfo *mimeinfo, *partinfo;
923 gboolean result = FALSE;
925 cm_return_val_if_fail(msginfo != NULL, FALSE);
927 mimeinfo = procmime_scan_message(msginfo);
933 result = (find_encrypted_part(partinfo) != NULL);
934 procmime_mimeinfo_free_all(mimeinfo);
939 gchar *procmime_get_tmp_file_name(MimeInfo *mimeinfo)
941 static guint32 id = 0;
946 cm_return_val_if_fail(mimeinfo != NULL, NULL);
948 g_snprintf(f_prefix, sizeof(f_prefix), "%08x.", id++);
950 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
951 base = g_strdup("mimetmp.html");
953 const gchar *basetmp;
955 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
957 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
960 basetmp = g_path_get_basename(basetmp);
961 if (*basetmp == '\0')
962 basetmp = g_strdup("mimetmp");
963 base = conv_filename_from_utf8(basetmp);
964 g_free((gchar*)basetmp);
965 subst_for_shellsafe_filename(base);
968 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
969 f_prefix, base, NULL);
976 static GList *mime_type_list = NULL;
978 gchar *procmime_get_mime_type(const gchar *filename)
984 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;
993 if (filename == NULL)
996 base = g_path_get_basename(filename);
997 if ((p = strrchr(base, '.')) != NULL)
998 ext = g_utf8_strdown(p + 1, -1);
1002 mime_type = g_hash_table_lookup(mime_type_table, ext);
1006 str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
1008 debug_print("got type %s for %s\n", str, ext);
1014 gchar *str = get_content_type_from_registry_with_ext(ext);
1021 static guint procmime_str_hash(gconstpointer gptr)
1023 guint hash_result = 0;
1026 for (str = gptr; str && *str; str++) {
1027 if (isupper(*str)) hash_result += (*str + ' ');
1028 else hash_result += *str;
1034 static gint procmime_str_equal(gconstpointer gptr1, gconstpointer gptr2)
1036 const char *str1 = gptr1;
1037 const char *str2 = gptr2;
1039 return !g_utf8_collate(str1, str2);
1042 static GHashTable *procmime_get_mime_type_table(void)
1044 GHashTable *table = NULL;
1046 MimeType *mime_type;
1049 if (!mime_type_list) {
1050 mime_type_list = procmime_get_mime_type_list();
1051 if (!mime_type_list) return NULL;
1054 table = g_hash_table_new(procmime_str_hash, procmime_str_equal);
1056 for (cur = mime_type_list; cur != NULL; cur = cur->next) {
1060 mime_type = (MimeType *)cur->data;
1062 if (!mime_type->extension) continue;
1064 exts = g_strsplit(mime_type->extension, " ", 16);
1065 for (i = 0; exts[i] != NULL; i++) {
1066 /* use previously dup'd key on overwriting */
1067 if (g_hash_table_lookup(table, exts[i]))
1070 key = g_strdup(exts[i]);
1071 g_hash_table_insert(table, key, mime_type);
1079 GList *procmime_get_mime_type_list(void)
1083 gchar buf[BUFFSIZE];
1086 MimeType *mime_type;
1087 gboolean fp_is_glob_file = TRUE;
1090 return mime_type_list;
1092 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
1093 if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL)
1095 if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL)
1098 fp_is_glob_file = FALSE;
1099 if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
1100 if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb"))
1102 FILE_OP_ERROR(SYSCONFDIR "/mime.types",
1109 while (fgets(buf, sizeof(buf), fp) != NULL) {
1110 p = strchr(buf, '#');
1116 if (fp_is_glob_file) {
1117 while (*p && !g_ascii_isspace(*p) && (*p!=':')) p++;
1119 while (*p && !g_ascii_isspace(*p)) p++;
1126 delim = strchr(buf, '/');
1127 if (delim == NULL) continue;
1130 mime_type = g_new(MimeType, 1);
1131 mime_type->type = g_strdup(buf);
1132 mime_type->sub_type = g_strdup(delim + 1);
1134 if (fp_is_glob_file) {
1135 while (*p && (g_ascii_isspace(*p)||(*p=='*')||(*p=='.'))) p++;
1137 while (*p && g_ascii_isspace(*p)) p++;
1141 mime_type->extension = g_utf8_strdown(p, -1);
1143 mime_type->extension = NULL;
1145 list = g_list_append(list, mime_type);
1151 g_warning("Can't read mime.types\n");
1156 EncodingType procmime_get_encoding_for_charset(const gchar *charset)
1160 else if (!g_ascii_strncasecmp(charset, "ISO-2022-", 9) ||
1161 !g_ascii_strcasecmp(charset, "US-ASCII"))
1163 else if (!g_ascii_strcasecmp(charset, "ISO-8859-5") ||
1164 !g_ascii_strncasecmp(charset, "KOI8-", 5) ||
1165 !g_ascii_strcasecmp(charset, "Windows-1251"))
1167 else if (!g_ascii_strncasecmp(charset, "ISO-8859-", 9))
1168 return ENC_QUOTED_PRINTABLE;
1169 else if (!g_ascii_strncasecmp(charset, "UTF-8", 5))
1170 return ENC_QUOTED_PRINTABLE;
1175 EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *has_binary)
1178 guchar buf[BUFFSIZE];
1180 size_t octet_chars = 0;
1181 size_t total_len = 0;
1182 gfloat octet_percentage;
1183 gboolean force_b64 = FALSE;
1185 if ((fp = g_fopen(file, "rb")) == NULL) {
1186 FILE_OP_ERROR(file, "fopen");
1190 while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
1194 for (p = buf, i = 0; i < len; ++p, ++i) {
1208 octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
1210 octet_percentage = 0.0;
1212 debug_print("procmime_get_encoding_for_text_file(): "
1213 "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
1214 100.0 * octet_percentage);
1216 if (octet_percentage > 0.20 || force_b64) {
1217 debug_print("using BASE64\n");
1219 } else if (octet_chars > 0) {
1220 debug_print("using quoted-printable\n");
1221 return ENC_QUOTED_PRINTABLE;
1223 debug_print("using 7bit\n");
1228 struct EncodingTable
1231 EncodingType enc_type;
1234 struct EncodingTable encoding_table[] = {
1237 {"binary", ENC_BINARY},
1238 {"quoted-printable", ENC_QUOTED_PRINTABLE},
1239 {"base64", ENC_BASE64},
1240 {"x-uuencode", ENC_UNKNOWN},
1241 {NULL, ENC_UNKNOWN},
1244 const gchar *procmime_get_encoding_str(EncodingType encoding)
1246 struct EncodingTable *enc_table;
1248 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1249 if (enc_table->enc_type == encoding)
1250 return enc_table->str;
1255 /* --- NEW MIME STUFF --- */
1262 static struct TypeTable mime_type_table[] = {
1263 {"text", MIMETYPE_TEXT},
1264 {"image", MIMETYPE_IMAGE},
1265 {"audio", MIMETYPE_AUDIO},
1266 {"video", MIMETYPE_VIDEO},
1267 {"application", MIMETYPE_APPLICATION},
1268 {"message", MIMETYPE_MESSAGE},
1269 {"multipart", MIMETYPE_MULTIPART},
1273 const gchar *procmime_get_media_type_str(MimeMediaType type)
1275 struct TypeTable *type_table;
1277 for (type_table = mime_type_table; type_table->str != NULL; type_table++) {
1278 if (type_table->type == type)
1279 return type_table->str;
1284 MimeMediaType procmime_get_media_type(const gchar *str)
1286 struct TypeTable *typetablearray;
1288 for (typetablearray = mime_type_table; typetablearray->str != NULL; typetablearray++)
1289 if (g_ascii_strncasecmp(str, typetablearray->str, strlen(typetablearray->str)) == 0)
1290 return typetablearray->type;
1292 return MIMETYPE_UNKNOWN;
1296 *\brief Safe wrapper for content type string.
1298 *\return const gchar * Pointer to content type string.
1300 gchar *procmime_get_content_type_str(MimeMediaType type,
1301 const char *subtype)
1303 const gchar *type_str = NULL;
1305 if (subtype == NULL || !(type_str = procmime_get_media_type_str(type)))
1306 return g_strdup("unknown");
1307 return g_strdup_printf("%s/%s", type_str, subtype);
1310 static int procmime_parse_mimepart(MimeInfo *parent,
1311 gchar *content_type,
1312 gchar *content_encoding,
1313 gchar *content_description,
1315 gchar *content_disposition,
1316 gchar *content_location,
1317 const gchar *original_msgid,
1318 const gchar *disposition_notification_hdr,
1319 const gchar *filename,
1322 gboolean short_scan);
1324 static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
1326 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1327 {"Content-Transfer-Encoding:",
1329 {"Content-Description:",
1333 {"Content-Disposition:",
1335 {"Content-Location:",
1339 {"Original-Message-ID:",
1343 {NULL, NULL, FALSE}};
1344 guint content_start, i;
1349 procmime_decode_content(mimeinfo);
1351 fp = g_fopen(mimeinfo->data.filename, "rb");
1353 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1356 fseek(fp, mimeinfo->offset, SEEK_SET);
1357 procheader_get_header_fields(fp, hentry);
1358 if (hentry[0].body != NULL) {
1359 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE);
1360 g_free(hentry[0].body);
1361 hentry[0].body = tmp;
1363 if (hentry[2].body != NULL) {
1364 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE);
1365 g_free(hentry[2].body);
1366 hentry[2].body = tmp;
1368 if (hentry[4].body != NULL) {
1369 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE);
1370 g_free(hentry[4].body);
1371 hentry[4].body = tmp;
1373 if (hentry[5].body != NULL) {
1374 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE);
1375 g_free(hentry[5].body);
1376 hentry[5].body = tmp;
1378 if (hentry[7].body != NULL) {
1379 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE);
1380 g_free(hentry[7].body);
1381 hentry[7].body = tmp;
1383 if (hentry[8].body != NULL) {
1384 tmp = conv_unmime_header(hentry[8].body, NULL, FALSE);
1385 g_free(hentry[8].body);
1386 hentry[8].body = tmp;
1389 content_start = ftell(fp);
1392 len = mimeinfo->length - (content_start - mimeinfo->offset);
1395 procmime_parse_mimepart(mimeinfo,
1396 hentry[0].body, hentry[1].body,
1397 hentry[2].body, hentry[3].body,
1398 hentry[4].body, hentry[5].body,
1399 hentry[7].body, hentry[8].body,
1400 mimeinfo->data.filename, content_start,
1403 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1404 g_free(hentry[i].body);
1405 hentry[i].body = NULL;
1409 static void procmime_parse_disposition_notification(MimeInfo *mimeinfo,
1410 const gchar *original_msgid, const gchar *disposition_notification_hdr,
1411 gboolean short_scan)
1413 HeaderEntry hentry[] = {{"Original-Message-ID:", NULL, TRUE},
1414 {"Disposition:", NULL, TRUE},
1415 {NULL, NULL, FALSE}};
1418 gchar *orig_msg_id = NULL;
1421 procmime_decode_content(mimeinfo);
1423 debug_print("parse disposition notification\n");
1424 fp = g_fopen(mimeinfo->data.filename, "rb");
1426 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1429 fseek(fp, mimeinfo->offset, SEEK_SET);
1431 if (original_msgid && disposition_notification_hdr) {
1432 hentry[0].body = g_strdup(original_msgid);
1433 hentry[1].body = g_strdup(disposition_notification_hdr);
1435 procheader_get_header_fields(fp, hentry);
1440 if (!hentry[0].body || !hentry[1].body) {
1441 debug_print("MsgId %s, Disp %s\n",
1442 hentry[0].body ? hentry[0].body:"(nil)",
1443 hentry[1].body ? hentry[1].body:"(nil)");
1447 orig_msg_id = g_strdup(hentry[0].body);
1448 disp = g_strdup(hentry[1].body);
1450 extract_parenthesis(orig_msg_id, '<', '>');
1451 remove_space(orig_msg_id);
1453 if (strstr(disp, "displayed")) {
1454 /* find sent message, if possible */
1455 MsgInfo *info = NULL;
1457 debug_print("%s has been displayed.\n", orig_msg_id);
1458 for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
1459 FolderItem *outbox = ((Folder *)(flist->data))->outbox;
1461 debug_print("skipping folder with no outbox...\n");
1464 info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
1465 debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
1467 procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
1468 procmsg_msginfo_free(info);
1472 g_free(orig_msg_id);
1475 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1476 g_free(hentry[i].body);
1477 hentry[i].body = NULL;
1481 #define GET_HEADERS() { \
1482 procheader_get_header_fields(fp, hentry); \
1483 if (hentry[0].body != NULL) { \
1484 tmp = conv_unmime_header(hentry[0].body, NULL, FALSE); \
1485 g_free(hentry[0].body); \
1486 hentry[0].body = tmp; \
1488 if (hentry[2].body != NULL) { \
1489 tmp = conv_unmime_header(hentry[2].body, NULL, FALSE); \
1490 g_free(hentry[2].body); \
1491 hentry[2].body = tmp; \
1493 if (hentry[4].body != NULL) { \
1494 tmp = conv_unmime_header(hentry[4].body, NULL, FALSE); \
1495 g_free(hentry[4].body); \
1496 hentry[4].body = tmp; \
1498 if (hentry[5].body != NULL) { \
1499 tmp = conv_unmime_header(hentry[5].body, NULL, FALSE); \
1500 g_free(hentry[5].body); \
1501 hentry[5].body = tmp; \
1503 if (hentry[6].body != NULL) { \
1504 tmp = conv_unmime_header(hentry[6].body, NULL, FALSE); \
1505 g_free(hentry[6].body); \
1506 hentry[6].body = tmp; \
1508 if (hentry[7].body != NULL) { \
1509 tmp = conv_unmime_header(hentry[7].body, NULL, FALSE); \
1510 g_free(hentry[7].body); \
1511 hentry[7].body = tmp; \
1515 static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
1517 HeaderEntry hentry[] = {{"Content-Type:", NULL, TRUE},
1518 {"Content-Transfer-Encoding:",
1520 {"Content-Description:",
1524 {"Content-Disposition:",
1526 {"Content-Location:",
1528 {"Original-Message-ID:",
1532 {NULL, NULL, FALSE}};
1535 gint boundary_len = 0, lastoffset = -1, i;
1536 gchar buf[BUFFSIZE];
1539 gboolean done = FALSE;
1540 gboolean start_found = FALSE;
1541 gboolean end_found = FALSE;
1543 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
1546 boundary_len = strlen(boundary);
1548 procmime_decode_content(mimeinfo);
1550 fp = g_fopen(mimeinfo->data.filename, "rb");
1552 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
1556 fseek(fp, mimeinfo->offset, SEEK_SET);
1557 while ((p = fgets(buf, sizeof(buf), fp)) != NULL && result == 0) {
1558 if (ftell(fp) - 1 > (mimeinfo->offset + mimeinfo->length))
1561 if (IS_BOUNDARY(buf, boundary, boundary_len)) {
1564 if (lastoffset != -1) {
1565 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1568 result = procmime_parse_mimepart(mimeinfo,
1569 hentry[0].body, hentry[1].body,
1570 hentry[2].body, hentry[3].body,
1571 hentry[4].body, hentry[5].body,
1572 hentry[6].body, hentry[7].body,
1573 mimeinfo->data.filename, lastoffset,
1575 if (result == 1 && short_scan) {
1581 if (buf[2 + boundary_len] == '-' &&
1582 buf[2 + boundary_len + 1] == '-') {
1586 for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
1587 g_free(hentry[i].body);
1588 hentry[i].body = NULL;
1591 lastoffset = ftell(fp);
1595 if (start_found && !end_found && lastoffset != -1) {
1596 gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
1599 result = procmime_parse_mimepart(mimeinfo,
1600 hentry[0].body, hentry[1].body,
1601 hentry[2].body, hentry[3].body,
1602 hentry[4].body, hentry[5].body,
1603 hentry[6].body, hentry[7].body,
1604 mimeinfo->data.filename, lastoffset,
1607 mimeinfo->broken = TRUE;
1610 for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
1611 g_free(hentry[i].body);
1612 hentry[i].body = NULL;
1617 static void parse_parameters(const gchar *parameters, GHashTable *table)
1619 gchar *params, *param, *next;
1620 GSList *convlist = NULL, *concatlist = NULL, *cur;
1622 params = g_strdup(parameters);
1625 for (; next != NULL; param = next) {
1626 gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
1628 gboolean convert = FALSE;
1630 next = strchr_with_skip_quote(param, '"', ';');
1639 value = strchr(attribute, '=');
1645 while (value[0] == ' ')
1648 down_attr = g_utf8_strdown(attribute, -1);
1649 orig_down_attr = down_attr;
1651 len = down_attr ? strlen(down_attr):0;
1652 if (len > 0 && down_attr[len - 1] == '*') {
1653 gchar *srcpos, *dstpos, *endpos;
1656 down_attr[len - 1] = '\0';
1660 endpos = value + strlen(value);
1661 while (srcpos < endpos) {
1667 if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
1677 if (value[0] == '"')
1678 extract_quote(value, '"');
1680 if (value[0] == '"')
1681 extract_quote(value, '"');
1682 else if ((tmp = strchr(value, ' ')) != NULL)
1687 while (down_attr[0] == ' ')
1689 while (down_attr[strlen(down_attr)-1] == ' ')
1690 down_attr[strlen(down_attr)-1] = '\0';
1693 while (value[0] == ' ')
1695 while (value[strlen(value)-1] == ' ')
1696 value[strlen(value)-1] = '\0';
1698 if (down_attr && strrchr(down_attr, '*') != NULL) {
1701 tmpattr = g_strdup(down_attr);
1702 tmp = strrchr(tmpattr, '*');
1705 if ((tmp[1] == '0') && (tmp[2] == '\0') &&
1706 (g_slist_find_custom(concatlist, down_attr, g_strcmp0) == NULL))
1707 concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
1709 if (convert && (g_slist_find_custom(convlist, tmpattr, g_strcmp0) == NULL))
1710 convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
1713 } else if (convert) {
1714 if (g_slist_find_custom(convlist, down_attr, g_strcmp0) == NULL)
1715 convlist = g_slist_prepend(convlist, g_strdup(down_attr));
1718 if (g_hash_table_lookup(table, down_attr) == NULL)
1719 g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
1720 g_free(orig_down_attr);
1723 for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
1724 gchar *attribute, *attrwnum, *partvalue;
1728 attribute = (gchar *) cur->data;
1729 value = g_string_sized_new(64);
1731 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1732 while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
1733 g_string_append(value, partvalue);
1735 g_hash_table_remove(table, attrwnum);
1738 attrwnum = g_strdup_printf("%s*%d", attribute, n);
1742 g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
1743 g_string_free(value, TRUE);
1745 slist_free_strings(concatlist);
1746 g_slist_free(concatlist);
1748 for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
1749 gchar *attribute, *key, *value;
1750 gchar *charset, *lang, *oldvalue, *newvalue;
1752 attribute = (gchar *) cur->data;
1753 if (!g_hash_table_lookup_extended(
1754 table, attribute, (gpointer *)(gchar *) &key, (gpointer *)(gchar *) &value))
1758 lang = strchr(charset, '\'');
1763 oldvalue = strchr(lang, '\'');
1764 if (oldvalue == NULL)
1769 newvalue = conv_codeset_strdup(oldvalue, charset, CS_UTF_8);
1771 g_hash_table_remove(table, attribute);
1775 g_hash_table_insert(table, g_strdup(attribute), newvalue);
1777 slist_free_strings(convlist);
1778 g_slist_free(convlist);
1783 static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
1785 cm_return_if_fail(content_type != NULL);
1786 cm_return_if_fail(mimeinfo != NULL);
1788 /* RFC 2045, page 13 says that the mime subtype is MANDATORY;
1789 * if it's not available we use the default Content-Type */
1790 if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
1791 mimeinfo->type = MIMETYPE_TEXT;
1792 mimeinfo->subtype = g_strdup("plain");
1793 if (g_hash_table_lookup(mimeinfo->typeparameters,
1794 "charset") == NULL) {
1795 g_hash_table_insert(mimeinfo->typeparameters,
1796 g_strdup("charset"),
1798 conv_get_locale_charset_str_no_utf8()));
1801 gchar *type, *subtype, *params;
1803 type = g_strdup(content_type);
1804 subtype = strchr(type, '/') + 1;
1805 *(subtype - 1) = '\0';
1806 if ((params = strchr(subtype, ';')) != NULL) {
1811 mimeinfo->type = procmime_get_media_type(type);
1812 mimeinfo->subtype = g_strstrip(g_strdup(subtype));
1814 /* Get mimeinfo->typeparameters */
1816 parse_parameters(params, mimeinfo->typeparameters);
1822 static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
1824 gchar *tmp, *params;
1826 cm_return_if_fail(content_disposition != NULL);
1827 cm_return_if_fail(mimeinfo != NULL);
1829 tmp = g_strdup(content_disposition);
1830 if ((params = strchr(tmp, ';')) != NULL) {
1836 if (!g_ascii_strcasecmp(tmp, "inline"))
1837 mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
1838 else if (!g_ascii_strcasecmp(tmp, "attachment"))
1839 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1841 mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
1844 parse_parameters(params, mimeinfo->dispositionparameters);
1850 static void procmime_parse_content_encoding(const gchar *content_encoding, MimeInfo *mimeinfo)
1852 struct EncodingTable *enc_table;
1854 for (enc_table = encoding_table; enc_table->str != NULL; enc_table++) {
1855 if (g_ascii_strcasecmp(enc_table->str, content_encoding) == 0) {
1856 mimeinfo->encoding_type = enc_table->enc_type;
1860 mimeinfo->encoding_type = ENC_UNKNOWN;
1864 static GSList *registered_parsers = NULL;
1866 static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
1869 for (cur = registered_parsers; cur; cur = cur->next) {
1870 MimeParser *parser = (MimeParser *)cur->data;
1871 if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
1877 void procmime_mimeparser_register(MimeParser *parser)
1879 if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
1880 registered_parsers = g_slist_append(registered_parsers, parser);
1884 void procmime_mimeparser_unregister(MimeParser *parser)
1886 registered_parsers = g_slist_remove(registered_parsers, parser);
1889 static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
1891 cm_return_val_if_fail(parser->parse != NULL, FALSE);
1892 return parser->parse(parser, mimeinfo);
1895 static int procmime_parse_mimepart(MimeInfo *parent,
1896 gchar *content_type,
1897 gchar *content_encoding,
1898 gchar *content_description,
1900 gchar *content_disposition,
1901 gchar *content_location,
1902 const gchar *original_msgid,
1903 const gchar *disposition_notification_hdr,
1904 const gchar *filename,
1907 gboolean short_scan)
1910 MimeParser *parser = NULL;
1911 gboolean parsed = FALSE;
1914 /* Create MimeInfo */
1915 mimeinfo = procmime_mimeinfo_new();
1916 mimeinfo->content = MIMECONTENT_FILE;
1918 if (parent != NULL) {
1919 if (g_node_depth(parent->node) > 32) {
1920 /* 32 is an arbitrary value
1921 * this avoids DOSsing ourselves
1922 * with enormous messages
1924 procmime_mimeinfo_free_all(mimeinfo);
1927 g_node_append(parent->node, mimeinfo->node);
1929 mimeinfo->data.filename = g_strdup(filename);
1930 mimeinfo->offset = offset;
1931 mimeinfo->length = length;
1933 if (content_type != NULL) {
1934 procmime_parse_content_type(content_type, mimeinfo);
1936 mimeinfo->type = MIMETYPE_TEXT;
1937 mimeinfo->subtype = g_strdup("plain");
1938 if (g_hash_table_lookup(mimeinfo->typeparameters,
1939 "charset") == NULL) {
1940 g_hash_table_insert(mimeinfo->typeparameters,
1941 g_strdup("charset"),
1943 conv_get_locale_charset_str_no_utf8()));
1947 if (content_encoding != NULL) {
1948 procmime_parse_content_encoding(content_encoding, mimeinfo);
1950 mimeinfo->encoding_type = ENC_UNKNOWN;
1953 if (content_description != NULL)
1954 mimeinfo->description = g_strdup(content_description);
1956 mimeinfo->description = NULL;
1958 if (content_id != NULL)
1959 mimeinfo->id = g_strdup(content_id);
1961 mimeinfo->id = NULL;
1963 if (content_location != NULL)
1964 mimeinfo->location = g_strdup(content_location);
1966 mimeinfo->location = NULL;
1968 if (content_disposition != NULL)
1969 procmime_parse_content_disposition(content_disposition, mimeinfo);
1971 mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
1973 /* Call parser for mime type */
1974 if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
1975 parsed = procmime_mimeparser_parse(parser, mimeinfo);
1978 switch (mimeinfo->type) {
1980 if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
1985 case MIMETYPE_MESSAGE:
1986 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
1987 procmime_parse_message_rfc822(mimeinfo, short_scan);
1989 if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
1990 procmime_parse_disposition_notification(mimeinfo,
1991 original_msgid, disposition_notification_hdr, short_scan);
1995 case MIMETYPE_MULTIPART:
1996 procmime_parse_multipart(mimeinfo, short_scan);
1999 case MIMETYPE_APPLICATION:
2000 if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
2001 && original_msgid && *original_msgid
2002 && disposition_notification_hdr && *disposition_notification_hdr) {
2003 procmime_parse_disposition_notification(mimeinfo,
2004 original_msgid, disposition_notification_hdr, short_scan);
2015 static gchar *typenames[] = {
2026 static gboolean output_func(GNode *node, gpointer data)
2029 MimeInfo *mimeinfo = (MimeInfo *) node->data;
2031 depth = g_node_depth(node);
2032 for (i = 0; i < depth; i++)
2034 g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
2039 static void output_mime_structure(MimeInfo *mimeinfo, int indent)
2041 g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
2044 static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
2049 g_stat(filename, &buf);
2051 mimeinfo = procmime_mimeinfo_new();
2052 mimeinfo->content = MIMECONTENT_FILE;
2053 mimeinfo->encoding_type = ENC_UNKNOWN;
2054 mimeinfo->type = MIMETYPE_MESSAGE;
2055 mimeinfo->subtype = g_strdup("rfc822");
2056 mimeinfo->data.filename = g_strdup(filename);
2057 mimeinfo->offset = offset;
2058 mimeinfo->length = buf.st_size - offset;
2060 procmime_parse_message_rfc822(mimeinfo, short_scan);
2061 if (debug_get_mode())
2062 output_mime_structure(mimeinfo, 0);
2067 static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
2071 cm_return_val_if_fail(filename != NULL, NULL);
2073 mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
2078 MimeInfo *procmime_scan_file(const gchar *filename)
2080 return procmime_scan_file_full(filename, FALSE);
2083 static MimeInfo *procmime_scan_file_short(const gchar *filename)
2085 return procmime_scan_file_full(filename, TRUE);
2088 static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
2092 gchar buf[BUFFSIZE];
2095 cm_return_val_if_fail(filename != NULL, NULL);
2098 if ((fp = g_fopen(filename, "rb")) == NULL)
2100 /* Skip queue header */
2101 while (fgets(buf, sizeof(buf), fp) != NULL) {
2103 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
2104 strlen("X-Claws-End-Special-Headers:"))) ||
2105 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
2106 strlen("X-Sylpheed-End-Special-Headers:"))))
2109 if (buf[0] == '\r' || buf[0] == '\n') break;
2110 /* from other mailers */
2111 if (!strncmp(buf, "Date: ", 6)
2112 || !strncmp(buf, "To: ", 4)
2113 || !strncmp(buf, "From: ", 6)
2114 || !strncmp(buf, "Subject: ", 9)) {
2122 mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
2127 MimeInfo *procmime_scan_queue_file(const gchar *filename)
2129 return procmime_scan_queue_file_full(filename, FALSE);
2132 static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
2134 return procmime_scan_queue_file_full(filename, TRUE);
2139 ENC_AS_QUOTED_STRING,
2144 typedef struct _ParametersData {
2150 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
2153 gchar *val = value, *valpos, *tmp;
2154 ParametersData *pdata = (ParametersData *)user_data;
2155 GString *buf = g_string_new("");
2158 EncodeAs encas = ENC_AS_TOKEN;
2160 for (valpos = val; *valpos != 0; valpos++) {
2161 if (!IS_ASCII(*valpos)) {
2162 encas = ENC_AS_ENCWORD;
2167 if (((*valpos >= 0) && (*valpos < 037)) || (*valpos == 0177)) {
2168 encas = ENC_AS_QUOTED_STRING;
2172 /* tspecials + SPACE */
2190 encas = ENC_AS_QUOTED_STRING;
2197 g_string_append_printf(buf, "%s=%s", param, val);
2200 case ENC_AS_QUOTED_STRING:
2201 g_string_append_printf(buf, "%s=\"%s\"", param, val);
2204 #if 0 /* we don't use that for now */
2205 case ENC_AS_EXTENDED:
2206 if (!g_utf8_validate(val, -1, NULL))
2207 g_string_append_printf(buf, "%s*=%s''", param,
2208 conv_get_locale_charset_str());
2210 g_string_append_printf(buf, "%s*=%s''", param,
2212 for (valpos = val; *valpos != '\0'; valpos++) {
2213 if (IS_ASCII(*valpos) && isalnum(*valpos)) {
2214 g_string_append_printf(buf, "%c", *valpos);
2216 gchar hexstr[3] = "XX";
2217 get_hex_str(hexstr, *valpos);
2218 g_string_append_printf(buf, "%%%s", hexstr);
2223 case ENC_AS_EXTENDED:
2224 debug_print("Unhandled ENC_AS_EXTENDED.");
2227 case ENC_AS_ENCWORD:
2228 len = MAX(strlen(val)*6, 512);
2229 tmp = g_malloc(len+1);
2230 codeconv_set_strict(TRUE);
2231 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2232 prefs_common.outgoing_charset);
2233 codeconv_set_strict(FALSE);
2234 if (!tmp || !*tmp) {
2235 codeconv_set_strict(TRUE);
2236 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2237 conv_get_outgoing_charset_str());
2238 codeconv_set_strict(FALSE);
2240 if (!tmp || !*tmp) {
2241 codeconv_set_strict(TRUE);
2242 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2244 codeconv_set_strict(FALSE);
2246 if (!tmp || !*tmp) {
2247 conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
2250 g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
2256 if (buf->str && strlen(buf->str)) {
2257 tmp = strstr(buf->str, "\n");
2259 len = (tmp - buf->str);
2261 len = strlen(buf->str);
2262 if (pdata->len + len > 76) {
2263 if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
2264 pdata->error = TRUE;
2265 pdata->len = strlen(buf->str) + 1;
2267 if (fprintf(pdata->fp, "; %s", buf->str) < 0)
2268 pdata->error = TRUE;
2269 pdata->len += strlen(buf->str) + 2;
2272 g_string_free(buf, TRUE);
2275 #define TRY(func) { \
2281 int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
2283 struct TypeTable *type_table;
2284 ParametersData *pdata = g_new0(ParametersData, 1);
2285 debug_print("procmime_write_mime_header\n");
2288 pdata->error = FALSE;
2289 for (type_table = mime_type_table; type_table->str != NULL; type_table++)
2290 if (mimeinfo->type == type_table->type) {
2291 gchar *buf = g_strdup_printf(
2292 "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
2293 if (fprintf(fp, "%s", buf) < 0) {
2298 pdata->len = strlen(buf);
2302 g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
2303 if (pdata->error == TRUE) {
2309 TRY(fprintf(fp, "\n") >= 0);
2311 if (mimeinfo->encoding_type != ENC_UNKNOWN)
2312 TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
2314 if (mimeinfo->description != NULL)
2315 TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
2317 if (mimeinfo->id != NULL)
2318 TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
2320 if (mimeinfo->location != NULL)
2321 TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
2323 if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
2324 ParametersData *pdata = g_new0(ParametersData, 1);
2326 if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
2327 buf = g_strdup("Content-Disposition: inline");
2328 else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
2329 buf = g_strdup("Content-Disposition: attachment");
2331 buf = g_strdup("Content-Disposition: unknown");
2333 if (fprintf(fp, "%s", buf) < 0) {
2338 pdata->len = strlen(buf);
2342 pdata->error = FALSE;
2343 g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
2344 if (pdata->error == TRUE) {
2349 TRY(fprintf(fp, "\n") >= 0);
2352 TRY(fprintf(fp, "\n") >= 0);
2357 static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
2362 gchar buf[BUFFSIZE];
2363 gboolean skip = FALSE;;
2366 debug_print("procmime_write_message_rfc822\n");
2369 switch (mimeinfo->content) {
2370 case MIMECONTENT_FILE:
2371 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2372 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2375 fseek(infp, mimeinfo->offset, SEEK_SET);
2376 while (fgets(buf, sizeof(buf), infp) == buf) {
2378 if (buf[0] == '\n' && buf[1] == '\0')
2380 if (skip && (buf[0] == ' ' || buf[0] == '\t'))
2382 if (g_ascii_strncasecmp(buf, "Mime-Version:", 13) == 0 ||
2383 g_ascii_strncasecmp(buf, "Content-Type:", 13) == 0 ||
2384 g_ascii_strncasecmp(buf, "Content-Transfer-Encoding:", 26) == 0 ||
2385 g_ascii_strncasecmp(buf, "Content-Description:", 20) == 0 ||
2386 g_ascii_strncasecmp(buf, "Content-ID:", 11) == 0 ||
2387 g_ascii_strncasecmp(buf, "Content-Location:", 17) == 0 ||
2388 g_ascii_strncasecmp(buf, "Content-Disposition:", 20) == 0) {
2393 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2394 g_warning("failed to dump %zd bytes from file", len);
2403 case MIMECONTENT_MEM:
2404 len = strlen(mimeinfo->data.mem);
2405 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
2406 g_warning("failed to dump %zd bytes from mem", len);
2415 childnode = mimeinfo->node->children;
2416 if (childnode == NULL)
2419 child = (MimeInfo *) childnode->data;
2420 if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
2421 g_warning("failed to write mime version");
2424 if (procmime_write_mime_header(child, fp) < 0)
2426 return procmime_write_mimeinfo(child, fp);
2429 static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
2433 gchar *boundary, *str, *str2;
2434 gchar buf[BUFFSIZE];
2435 gboolean firstboundary;
2438 debug_print("procmime_write_multipart\n");
2440 boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
2442 switch (mimeinfo->content) {
2443 case MIMECONTENT_FILE:
2444 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2445 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2448 fseek(infp, mimeinfo->offset, SEEK_SET);
2449 while (fgets(buf, sizeof(buf), infp) == buf) {
2450 if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
2453 if (fwrite(buf, sizeof(gchar), len, fp) < len) {
2454 g_warning("failed to write %zd", len);
2462 case MIMECONTENT_MEM:
2463 str = g_strdup(mimeinfo->data.mem);
2464 if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
2465 (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
2468 if (fwrite(str, sizeof(gchar), len, fp) < len) {
2469 g_warning("failed to write %zd from mem", len);
2480 childnode = mimeinfo->node->children;
2481 firstboundary = TRUE;
2482 while (childnode != NULL) {
2483 MimeInfo *child = childnode->data;
2486 firstboundary = FALSE;
2488 TRY(fprintf(fp, "\n") >= 0);
2490 TRY(fprintf(fp, "--%s\n", boundary) >= 0);
2492 if (procmime_write_mime_header(child, fp) < 0)
2494 if (procmime_write_mimeinfo(child, fp) < 0)
2497 childnode = g_node_next_sibling(childnode);
2499 TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
2504 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
2508 debug_print("procmime_write_mimeinfo\n");
2510 if (G_NODE_IS_LEAF(mimeinfo->node)) {
2511 switch (mimeinfo->content) {
2512 case MIMECONTENT_FILE:
2513 if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
2514 FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
2517 copy_file_part_to_fp(infp, mimeinfo->offset, mimeinfo->length, fp);
2521 case MIMECONTENT_MEM:
2522 len = strlen(mimeinfo->data.mem);
2523 if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
2531 /* Call writer for mime type */
2532 switch (mimeinfo->type) {
2533 case MIMETYPE_MESSAGE:
2534 if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
2535 return procmime_write_message_rfc822(mimeinfo, fp);
2539 case MIMETYPE_MULTIPART:
2540 return procmime_write_multipart(mimeinfo, fp);
2552 gchar *procmime_get_part_file_name(MimeInfo *mimeinfo)
2556 if ((mimeinfo->type == MIMETYPE_TEXT) && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2557 base = g_strdup("mimetmp.html");
2559 const gchar *basetmp;
2562 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "filename");
2563 if (basetmp == NULL)
2564 basetmp = procmime_mimeinfo_get_parameter(mimeinfo, "name");
2565 if (basetmp == NULL)
2566 basetmp = "mimetmp";
2567 basename = g_path_get_basename(basetmp);
2568 if (*basename == '\0') {
2570 basename = g_strdup("mimetmp");
2572 base = conv_filename_from_utf8(basename);
2574 subst_for_shellsafe_filename(base);