2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2014 Hiroyuki Yamamoto and 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"
26 #include <glib/gi18n.h>
37 #include "procheader.h"
40 #include "prefs_common.h"
44 #include "file-utils.h"
48 static gchar monthstr[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
50 typedef char *(*getlinefunc) (char *, size_t, void *);
51 typedef int (*peekcharfunc) (void *);
52 typedef int (*getcharfunc) (void *);
53 typedef gint (*get_one_field_func) (gchar **, void *, HeaderEntry[]);
55 static gint string_get_one_field(gchar **buf, char **str,
56 HeaderEntry hentry[]);
58 static char *string_getline(char *buf, size_t len, char **str);
59 static int string_peekchar(char **str);
60 static int file_peekchar(FILE *fp);
61 static gint generic_get_one_field(gchar **bufptr, void *data,
64 peekcharfunc peekchar,
66 static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
67 gboolean full, gboolean decrypted);
70 gint procheader_get_one_field(gchar **buf, FILE *fp,
73 return generic_get_one_field(buf, fp, hentry,
74 (getlinefunc)fgets_crlf, (peekcharfunc)file_peekchar,
78 static gint string_get_one_field(gchar **buf, char **str,
81 return generic_get_one_field(buf, str, hentry,
82 (getlinefunc)string_getline,
83 (peekcharfunc)string_peekchar,
87 gboolean procheader_skip_headers(FILE *fp)
89 gchar *buf = g_malloc(BUFFSIZE);
91 if (fgets_crlf(buf, BUFFSIZE - 1, fp) == NULL) {
95 if (buf[0] == '\r' || buf[0] == '\n') {
105 static char *string_getline(char *buf, size_t len, char **str)
107 gboolean is_cr = FALSE;
108 gboolean last_was_cr = FALSE;
113 for (; **str && len > 1; --len) {
114 is_cr = (**str == '\r');
115 if ((*buf++ = *(*str)++) == '\n') {
131 static int string_peekchar(char **str)
136 static int file_peekchar(FILE *fp)
138 return ungetc(getc(fp), fp);
141 static gint generic_get_one_field(gchar **bufptr, void *data,
143 getlinefunc getline, peekcharfunc peekchar,
146 /* returns -1 in case of failure of any kind, whatever it's a parsing error
147 or an allocation error. if returns -1, *bufptr is always NULL, and vice-versa,
148 and if returning 0 (OK), *bufptr is always non-NULL, so callers just have to
149 test the return value
153 HeaderEntry *hp = NULL;
157 cm_return_val_if_fail(bufptr != NULL, -1);
162 if (hentry != NULL) {
163 /* skip non-required headers */
164 /* and get hentry header line */
167 if (getline(buf, len, data) == NULL) {
168 debug_print("generic_get_one_field: getline\n");
173 if (buf[0] == '\r' || buf[0] == '\n') {
174 debug_print("generic_get_one_field: empty line\n");
179 } while (buf[0] == ' ' || buf[0] == '\t');
181 for (hp = hentry, hnum = 0; hp->name != NULL;
183 if (!g_ascii_strncasecmp(hp->name, buf,
187 } while (hp->name == NULL);
189 /* read first line */
190 if (getline(buf, len, data) == NULL) {
191 debug_print("generic_get_one_field: getline\n");
196 if (buf[0] == '\r' || buf[0] == '\n') {
197 debug_print("generic_get_one_field: empty line\n");
203 /* reduce initial buffer to its useful part */
205 buf = g_realloc(buf, len);
207 debug_print("generic_get_one_field: reallocation error\n");
214 nexthead = peekchar(data);
215 /* ([*WSP CRLF] 1*WSP) */
216 if (nexthead == ' ' || nexthead == '\t') {
221 gboolean skiptab = (nexthead == '\t');
222 /* trim previous trailing \n if requesting one header or
223 * unfolding was requested */
224 if ((!hentry && unfold) || (hp && hp->unfold))
227 buflen = strlen(buf);
230 tmpbuf = g_malloc(BUFFSIZE);
232 if (getline(tmpbuf, BUFFSIZE, data) == NULL) {
236 tmplen = strlen(tmpbuf)+1;
238 /* extend initial buffer and concatenate next line */
240 buf = g_realloc(buf, len);
242 debug_print("generic_get_one_field: reallocation error\n");
247 memcpy(buf+buflen, tmpbuf, tmplen);
249 if (skiptab) { /* replace tab with space */
250 *(buf + buflen) = ' ';
253 /* remove trailing new line */
264 gint procheader_get_one_field_asis(gchar **buf, FILE *fp)
266 return generic_get_one_field(buf, fp, NULL,
267 (getlinefunc)fgets_crlf,
268 (peekcharfunc)file_peekchar,
272 GPtrArray *procheader_get_header_array_asis(FILE *fp)
278 cm_return_val_if_fail(fp != NULL, NULL);
280 headers = g_ptr_array_new();
282 while (procheader_get_one_field_asis(&buf, fp) != -1) {
283 if ((header = procheader_parse_header(buf)) != NULL)
284 g_ptr_array_add(headers, header);
292 void procheader_header_array_destroy(GPtrArray *harray)
297 cm_return_if_fail(harray != NULL);
299 for (i = 0; i < harray->len; i++) {
300 header = g_ptr_array_index(harray, i);
301 procheader_header_free(header);
304 g_ptr_array_free(harray, TRUE);
307 void procheader_header_free(Header *header)
311 g_free(header->name);
312 g_free(header->body);
317 tests whether two headers' names are equal
318 remove the trailing ':' or ' ' before comparing
321 gboolean procheader_headername_equal(char * hdr1, char * hdr2)
328 if (hdr1[len1 - 1] == ':')
330 if (hdr2[len2 - 1] == ':')
335 return (g_ascii_strncasecmp(hdr1, hdr2, len1) == 0);
339 parse headers, for example :
340 From: dinh@enseirb.fr becomes :
341 header->name = "From:"
342 header->body = "dinh@enseirb.fr"
344 static gboolean header_is_addr_field(const gchar *hdr)
346 static char *addr_headers[] = {
353 "Followup-and-Reply-To:",
354 "Disposition-Notification-To:",
355 "Return-Receipt-To:",
362 for (i = 0; addr_headers[i] != NULL; i++)
363 if (!strcasecmp(hdr, addr_headers[i]))
369 Header * procheader_parse_header(gchar * buf)
373 gboolean addr_field = FALSE;
375 cm_return_val_if_fail(buf != NULL, NULL);
377 if ((*buf == ':') || (*buf == ' '))
380 for (p = buf; *p ; p++) {
381 if ((*p == ':') || (*p == ' ')) {
382 header = g_new(Header, 1);
383 header->name = g_strndup(buf, p - buf + 1);
384 addr_field = header_is_addr_field(header->name);
386 while (*p == ' ' || *p == '\t') p++;
387 header->body = conv_unmime_header(p, NULL, addr_field);
394 void procheader_get_header_fields(FILE *fp, HeaderEntry hentry[])
401 if (hentry == NULL) return;
403 while ((hnum = procheader_get_one_field(&buf, fp, hentry)) != -1) {
406 p = buf + strlen(hp->name);
407 while (*p == ' ' || *p == '\t') p++;
409 if (hp->body == NULL)
410 hp->body = g_strdup(p);
411 else if (procheader_headername_equal(hp->name, "To") ||
412 procheader_headername_equal(hp->name, "Cc")) {
413 gchar *tp = hp->body;
414 hp->body = g_strconcat(tp, ", ", p, NULL);
422 MsgInfo *procheader_parse_file(const gchar *file, MsgFlags flags,
423 gboolean full, gboolean decrypted)
429 GError *error = NULL;
437 f = g_file_new_for_path(file);
438 fi = g_file_query_info(f, "standard::size,standard::type,time::modified",
439 G_FILE_QUERY_INFO_NONE, NULL, &error);
441 g_warning(error->message);
446 if (g_stat(file, &s) < 0) {
447 FILE_OP_ERROR(file, "stat");
453 if (g_file_info_get_file_type(fi) != G_FILE_TYPE_REGULAR) {
459 if (!S_ISREG(s.st_mode))
463 if ((fp = claws_fopen(file, "rb")) == NULL) {
464 FILE_OP_ERROR(file, "claws_fopen");
468 msginfo = procheader_parse_stream(fp, flags, full, decrypted);
473 msginfo->size = g_file_info_get_size(fi);
474 g_file_info_get_modification_time(fi, &tv);
475 msginfo->mtime = tv.tv_sec;
477 msginfo->size = s.st_size;
478 msginfo->mtime = s.st_mtime;
490 MsgInfo *procheader_parse_str(const gchar *str, MsgFlags flags, gboolean full,
493 return parse_stream(&str, TRUE, flags, full, decrypted);
511 H_SC_PLANNED_DOWNLOAD,
515 H_DISPOSITION_NOTIFICATION_TO,
517 H_SC_PARTIALLY_RETRIEVED,
529 static HeaderEntry hentry_full[] = {
530 {"Date:", NULL, FALSE},
531 {"From:", NULL, TRUE},
534 {"Newsgroups:", NULL, TRUE},
535 {"Subject:", NULL, TRUE},
536 {"Message-ID:", NULL, FALSE},
537 {"References:", NULL, FALSE},
538 {"In-Reply-To:", NULL, FALSE},
539 {"Content-Type:", NULL, FALSE},
540 {"Seen:", NULL, FALSE},
541 {"Status:", NULL, FALSE},
542 {"From ", NULL, FALSE},
543 {"SC-Marked-For-Download:", NULL, FALSE},
544 {"SC-Message-Size:", NULL, FALSE},
545 {"Face:", NULL, FALSE},
546 {"X-Face:", NULL, FALSE},
547 {"Disposition-Notification-To:", NULL, FALSE},
548 {"Return-Receipt-To:", NULL, FALSE},
549 {"SC-Partially-Retrieved:", NULL, FALSE},
550 {"SC-Account-Server:", NULL, FALSE},
551 {"SC-Account-Login:",NULL, FALSE},
552 {"List-Post:", NULL, TRUE},
553 {"List-Subscribe:", NULL, TRUE},
554 {"List-Unsubscribe:",NULL, TRUE},
555 {"List-Help:", NULL, TRUE},
556 {"List-Archive:", NULL, TRUE},
557 {"List-Owner:", NULL, TRUE},
558 {"Resent-From:", NULL, TRUE},
559 {NULL, NULL, FALSE}};
561 static HeaderEntry hentry_short[] = {
562 {"Date:", NULL, FALSE},
563 {"From:", NULL, TRUE},
566 {"Newsgroups:", NULL, TRUE},
567 {"Subject:", NULL, TRUE},
568 {"Message-ID:", NULL, FALSE},
569 {"References:", NULL, FALSE},
570 {"In-Reply-To:", NULL, FALSE},
571 {"Content-Type:", NULL, FALSE},
572 {"Seen:", NULL, FALSE},
573 {"Status:", NULL, FALSE},
574 {"From ", NULL, FALSE},
575 {"SC-Marked-For-Download:", NULL, FALSE},
576 {"SC-Message-Size:",NULL, FALSE},
577 {NULL, NULL, FALSE}};
579 static HeaderEntry* procheader_get_headernames(gboolean full)
581 return full ? hentry_full : hentry_short;
584 MsgInfo *procheader_parse_stream(FILE *fp, MsgFlags flags, gboolean full,
587 return parse_stream(fp, FALSE, flags, full, decrypted);
590 static gboolean avatar_from_some_face(gpointer source, gpointer userdata)
592 AvatarCaptureData *acd = (AvatarCaptureData *)source;
594 if (*(acd->content) == '\0') /* won't be null, but may be empty */
597 if (!strcmp(acd->header, hentry_full[H_FACE].name)) {
598 debug_print("avatar_from_some_face: found 'Face' header\n");
599 procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_FACE, acd->content);
602 else if (!strcmp(acd->header, hentry_full[H_X_FACE].name)) {
603 debug_print("avatar_from_some_face: found 'X-Face' header\n");
604 procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_XFACE, acd->content);
610 static gulong avatar_hook_id = HOOK_NONE;
612 static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
613 gboolean full, gboolean decrypted)
621 void *orig_data = data;
623 get_one_field_func get_one_field =
624 isstring ? (get_one_field_func)string_get_one_field
625 : (get_one_field_func)procheader_get_one_field;
627 hentry = procheader_get_headernames(full);
629 if (MSG_IS_QUEUED(flags) || MSG_IS_DRAFT(flags)) {
630 while (get_one_field(&buf, data, NULL) != -1) {
631 if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
632 strlen("X-Claws-End-Special-Headers:"))) ||
633 (!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
634 strlen("X-Sylpheed-End-Special-Headers:")))) {
639 /* from other mailers */
640 if (!strncmp(buf, "Date: ", 6)
641 || !strncmp(buf, "To: ", 4)
642 || !strncmp(buf, "From: ", 6)
643 || !strncmp(buf, "Subject: ", 9)) {
647 rewind((FILE *)data);
657 msginfo = procmsg_msginfo_new();
659 if (flags.tmp_flags || flags.perm_flags)
660 msginfo->flags = flags;
662 MSG_SET_PERM_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
664 msginfo->inreplyto = NULL;
666 if (avatar_hook_id == HOOK_NONE && (prefs_common.enable_avatars & AVATARS_ENABLE_CAPTURE)) {
667 avatar_hook_id = hooks_register_hook(AVATAR_HEADER_UPDATE_HOOKLIST, avatar_from_some_face, NULL);
668 } else if (avatar_hook_id != HOOK_NONE && !(prefs_common.enable_avatars & AVATARS_ENABLE_CAPTURE)) {
669 hooks_unregister_hook(AVATAR_HEADER_UPDATE_HOOKLIST, avatar_hook_id);
670 avatar_hook_id = HOOK_NONE;
673 while ((hnum = get_one_field(&buf, data, hentry)) != -1) {
674 hp = buf + strlen(hentry[hnum].name);
675 while (*hp == ' ' || *hp == '\t') hp++;
679 if (msginfo->date) break;
681 procheader_date_parse(NULL, hp, 0);
682 if (g_utf8_validate(hp, -1, NULL)) {
683 msginfo->date = g_strdup(hp);
685 gchar *utf = conv_codeset_strdup(
687 conv_get_locale_charset_str_no_utf8(),
690 !g_utf8_validate(utf, -1, NULL)) {
692 utf = g_malloc(strlen(buf)*2+1);
693 conv_localetodisp(utf,
700 if (msginfo->from) break;
701 msginfo->from = conv_unmime_header(hp, NULL, TRUE);
702 msginfo->fromname = procheader_get_fromname(msginfo->from);
703 remove_return(msginfo->from);
704 remove_return(msginfo->fromname);
707 tmp = conv_unmime_header(hp, NULL, TRUE);
712 g_strconcat(p, ", ", tmp, NULL);
715 msginfo->to = g_strdup(tmp);
719 tmp = conv_unmime_header(hp, NULL, TRUE);
724 g_strconcat(p, ", ", tmp, NULL);
727 msginfo->cc = g_strdup(tmp);
731 if (msginfo->newsgroups) {
732 p = msginfo->newsgroups;
733 msginfo->newsgroups =
734 g_strconcat(p, ",", hp, NULL);
737 msginfo->newsgroups = g_strdup(hp);
740 if (msginfo->subject) break;
741 msginfo->subject = conv_unmime_header(hp, NULL, FALSE);
742 unfold_line(msginfo->subject);
745 if (msginfo->msgid) break;
747 extract_parenthesis(hp, '<', '>');
749 msginfo->msgid = g_strdup(hp);
752 msginfo->references =
753 references_list_prepend(msginfo->references,
757 if (msginfo->inreplyto) break;
759 eliminate_parenthesis(hp, '(', ')');
760 if ((p = strrchr(hp, '<')) != NULL &&
761 strchr(p + 1, '>') != NULL) {
762 extract_parenthesis(p, '<', '>');
765 msginfo->inreplyto = g_strdup(p);
769 if (!g_ascii_strncasecmp(hp, "multipart/", 10))
770 MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MULTIPART);
772 case H_DISPOSITION_NOTIFICATION_TO:
773 if (!msginfo->extradata)
774 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
775 if (msginfo->extradata->dispositionnotificationto) break;
776 msginfo->extradata->dispositionnotificationto = g_strdup(hp);
778 case H_RETURN_RECEIPT_TO:
779 if (!msginfo->extradata)
780 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
781 if (msginfo->extradata->returnreceiptto) break;
782 msginfo->extradata->returnreceiptto = g_strdup(hp);
784 /* partial download infos */
785 case H_SC_PARTIALLY_RETRIEVED:
786 if (!msginfo->extradata)
787 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
788 if (msginfo->extradata->partial_recv) break;
789 msginfo->extradata->partial_recv = g_strdup(hp);
791 case H_SC_ACCOUNT_SERVER:
792 if (!msginfo->extradata)
793 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
794 if (msginfo->extradata->account_server) break;
795 msginfo->extradata->account_server = g_strdup(hp);
797 case H_SC_ACCOUNT_LOGIN:
798 if (!msginfo->extradata)
799 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
800 if (msginfo->extradata->account_login) break;
801 msginfo->extradata->account_login = g_strdup(hp);
803 case H_SC_MESSAGE_SIZE:
804 if (msginfo->total_size) break;
805 msginfo->total_size = atoi(hp);
807 case H_SC_PLANNED_DOWNLOAD:
808 msginfo->planned_download = atoi(hp);
810 /* end partial download infos */
812 if (msginfo->fromspace) break;
813 msginfo->fromspace = g_strdup(hp);
814 remove_return(msginfo->fromspace);
818 if (!msginfo->extradata)
819 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
820 if (msginfo->extradata->list_post) break;
821 msginfo->extradata->list_post = g_strdup(hp);
823 case H_LIST_SUBSCRIBE:
824 if (!msginfo->extradata)
825 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
826 if (msginfo->extradata->list_subscribe) break;
827 msginfo->extradata->list_subscribe = g_strdup(hp);
829 case H_LIST_UNSUBSCRIBE:
830 if (!msginfo->extradata)
831 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
832 if (msginfo->extradata->list_unsubscribe) break;
833 msginfo->extradata->list_unsubscribe = g_strdup(hp);
836 if (!msginfo->extradata)
837 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
838 if (msginfo->extradata->list_help) break;
839 msginfo->extradata->list_help = g_strdup(hp);
842 if (!msginfo->extradata)
843 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
844 if (msginfo->extradata->list_archive) break;
845 msginfo->extradata->list_archive = g_strdup(hp);
848 if (!msginfo->extradata)
849 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
850 if (msginfo->extradata->list_owner) break;
851 msginfo->extradata->list_owner = g_strdup(hp);
854 if (!msginfo->extradata)
855 msginfo->extradata = g_new0(MsgInfoExtraData, 1);
856 if (msginfo->extradata->resent_from) break;
857 msginfo->extradata->resent_from = g_strdup(hp);
863 /* to avoid performance penalty hooklist is invoked only for
864 headers known to be able to generate avatars */
865 if (hnum == H_FROM || hnum == H_X_FACE || hnum == H_FACE) {
866 AvatarCaptureData *acd = g_new0(AvatarCaptureData, 1);
867 /* no extra memory is wasted, hooks are expected to
868 take care of copying members when needed */
869 acd->msginfo = msginfo;
870 acd->header = hentry_full[hnum].name;
872 hooks_invoke(AVATAR_HEADER_UPDATE_HOOKLIST, (gpointer)acd);
879 if (!msginfo->inreplyto && msginfo->references)
881 g_strdup((gchar *)msginfo->references->data);
886 gchar *procheader_get_fromname(const gchar *str)
890 Xstrdup_a(tmp, str, return NULL);
893 extract_quote(tmp, '\"');
895 } else if (strchr(tmp, '<')) {
896 eliminate_parenthesis(tmp, '<', '>');
900 extract_parenthesis(tmp, '<', '>');
903 } else if (strchr(tmp, '(')) {
904 extract_parenthesis(tmp, '(', ')');
909 name = g_strdup(str);
911 name = g_strdup(tmp);
916 static gint procheader_scan_date_string(const gchar *str,
917 gchar *weekday, gint *day,
918 gchar *month, gint *year,
919 gint *hh, gint *mm, gint *ss,
925 gint zone1 = 0, zone2 = 0;
926 gchar offset_sign, zonestr[7];
932 result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d %6s",
933 weekday, day, month, year, hh, mm, ss, zone);
934 if (result == 8) return 0;
937 result = sscanf(str, "%3s,%d %9s %d %2d:%2d:%2d %6s",
938 weekday, day, month, year, hh, mm, ss, zone);
939 if (result == 8) return 0;
941 result = sscanf(str, "%3s %3s %d %2d:%2d:%2d %d %6s",
942 weekday, month, day, hh, mm, ss, year, zone);
943 if (result == 8) return 0;
945 result = sscanf(str, "%d %9s %d %2d:%2d:%2d %6s",
946 day, month, year, hh, mm, ss, zone);
947 if (result == 7) return 0;
950 result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d",
951 weekday, day, month, year, hh, mm, ss);
952 if (result == 7) return 0;
954 result = sscanf(str, "%3s %3s %d %2d:%2d:%2d %d",
955 weekday, month, day, hh, mm, ss, year);
956 if (result == 7) return 0;
958 result = sscanf(str, "%d %9s %d %2d:%2d:%2d",
959 day, month, year, hh, mm, ss);
960 if (result == 6) return 0;
963 result = sscanf(str, "%10s %d %9s %d %2d:%2d %6s",
964 weekday, day, month, year, hh, mm, zone);
965 if (result == 7) return 0;
967 result = sscanf(str, "%d %9s %d %2d:%2d %5s",
968 day, month, year, hh, mm, zone);
969 if (result == 6) return 0;
972 result = sscanf(str, "%10s %d %9s %d %2d:%2d",
973 weekday, day, month, year, hh, mm);
974 if (result == 6) return 0;
976 result = sscanf(str, "%d %9s %d %2d:%2d",
977 day, month, year, hh, mm);
978 if (result == 5) return 0;
982 /* RFC3339 subset, with fraction of second */
983 result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d.%d%6s",
984 year, &month_n, day, &sep1, hh, mm, ss, &secfract, zonestr);
986 && (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
987 if (month_n >= 1 && month_n <= 12) {
988 strncpy2(month, monthstr+((month_n-1)*3), 4);
989 if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
990 strcat(zone, "+00:00");
991 } else if (sscanf(zonestr, "%c%2d:%2d",
992 &offset_sign, &zone1, &zone2) == 3) {
993 strcat(zone, zonestr);
999 /* RFC3339 subset, no fraction of second */
1000 result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d%6s",
1001 year, &month_n, day, &sep1, hh, mm, ss, zonestr);
1003 && (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
1004 if (month_n >= 1 && month_n <= 12) {
1005 strncpy2(month, monthstr+((month_n-1)*3), 4);
1006 if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
1007 strcat(zone, "+00:00");
1008 } else if (sscanf(zonestr, "%c%2d:%2d",
1009 &offset_sign, &zone1, &zone2) == 3) {
1010 strcat(zone, zonestr);
1018 /* RFC3339 subset, no fraction of second, and no timezone offset */
1019 /* This particular "subset" is invalid, RFC requires the offset */
1020 result = sscanf(str, "%4d-%2d-%2d %2d:%2d:%2d",
1021 year, &month_n, day, hh, mm, ss);
1023 if (1 <= month_n && month_n <= 12) {
1024 strncpy2(month, monthstr+((month_n-1)*3), 4);
1029 /* ISO8601 format with just date (YYYY-MM-DD) */
1030 result = sscanf(str, "%4d-%2d-%2d",
1031 year, &month_n, day);
1033 *hh = *mm = *ss = 0;
1034 if (1 <= month_n && month_n <= 12) {
1035 strncpy2(month, monthstr+((month_n-1)*3), 4);
1044 * Hiro, most UNIXen support this function:
1045 * http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?getdate
1047 gboolean procheader_date_parse_to_tm(const gchar *src, struct tm *t, char *zone)
1060 memset(t, 0, sizeof *t);
1062 if (procheader_scan_date_string(src, weekday, &day, month, &year,
1063 &hh, &mm, &ss, zone) < 0) {
1064 g_warning("Invalid date: %s", src);
1068 /* Y2K compliant :) */
1077 if ((p = strstr(monthstr, month)) != NULL)
1078 dmonth = (gint)(p - monthstr) / 3 + 1;
1080 g_warning("Invalid month: %s", month);
1081 dmonth = G_DATE_BAD_MONTH;
1088 t->tm_mon = dmonth - 1;
1089 t->tm_year = year - 1900;
1099 time_t procheader_date_parse(gchar *dest, const gchar *src, gint len)
1107 GDateMonth dmonth = G_DATE_BAD_MONTH;
1111 if (procheader_scan_date_string(src, weekday, &day, month, &year,
1112 &hh, &mm, &ss, zone) < 0) {
1113 if (dest && len > 0)
1114 strncpy2(dest, src, len);
1119 for (p = monthstr; *p != '\0'; p += 3) {
1120 if (!g_ascii_strncasecmp(p, month, 3)) {
1121 dmonth = (gint)(p - monthstr) / 3 + 1;
1128 GDateTime *dt, *dt2;
1130 tz = g_time_zone_new(zone); // can't return NULL no need to check for it
1131 dt = g_date_time_new(tz, 1, 1, 1, 0, 0, 0);
1132 g_time_zone_unref(tz);
1133 dt2 = g_date_time_add_full(dt, year-1, dmonth-1, day-1, hh, mm, ss);
1134 g_date_time_unref(dt);
1136 timer = g_date_time_to_unix(dt2);
1137 g_date_time_unref(dt2);
1143 /* Y2K compliant :) */
1155 t.tm_mon = dmonth - 1;
1156 t.tm_year = year - 1900;
1162 tz_offset = remote_tzoffset_sec(zone);
1163 if (tz_offset != -1)
1164 timer += tzoffset_sec(&timer) - tz_offset;
1167 procheader_date_get_localtime(dest, len, timer);
1173 void procheader_date_get_localtime(gchar *dest, gint len, const time_t timer)
1176 gchar *default_format = "%y/%m/%d(%a) %H:%M";
1178 const gchar *src_codeset, *dest_codeset;
1182 lt = localtime_r(&timer, &buf);
1185 lt = localtime_r(&dummy, &buf);
1188 if (prefs_common.date_format)
1189 fast_strftime(dest, len, prefs_common.date_format, lt);
1191 fast_strftime(dest, len, default_format, lt);
1193 if (!g_utf8_validate(dest, -1, NULL)) {
1194 src_codeset = conv_get_locale_charset_str_no_utf8();
1195 dest_codeset = CS_UTF_8;
1196 str = conv_codeset_strdup(dest, src_codeset, dest_codeset);
1198 strncpy2(dest, str, len);
1204 /* Added by Mel Hadasht on 27 Aug 2001 */
1205 /* Get a header from msginfo */
1206 gint procheader_get_header_from_msginfo(MsgInfo *msginfo, gchar **buf, gchar *header)
1210 HeaderEntry hentry[]={ { NULL, NULL, TRUE },
1211 { NULL, NULL, FALSE } };
1214 cm_return_val_if_fail(msginfo != NULL, -1);
1215 cm_return_val_if_fail(buf != NULL, -1);
1216 cm_return_val_if_fail(header != NULL, -1);
1218 hentry[0].name = header;
1220 file = procmsg_get_message_file_path(msginfo);
1221 if ((fp = claws_fopen(file, "rb")) == NULL) {
1222 FILE_OP_ERROR(file, "claws_fopen");
1228 val = procheader_get_one_field(buf, fp, hentry);
1230 if (claws_fclose(fp) == EOF) {
1231 FILE_OP_ERROR(file, "claws_fclose");
1241 /* *buf is already NULL in that case, see procheader_get_one_field() */
1248 HeaderEntry *procheader_entries_from_str(const gchar *str)
1250 HeaderEntry *entries = NULL, *he;
1251 int numh = 0, i = 0;
1252 gchar **names = NULL;
1253 const gchar *s = str;
1258 while (*s != '\0') {
1259 if (*s == ' ') ++numh;
1265 entries = g_new0(HeaderEntry, numh + 1); /* room for last NULL */
1267 ++s; /* skip first space */
1268 names = g_strsplit(s, " ", numh);
1271 he->name = g_strdup_printf("%s:", names[i]);
1281 void procheader_entries_free (HeaderEntry *entries)
1283 if (entries != NULL) {
1284 HeaderEntry *he = entries;
1285 while (he->name != NULL) {
1287 if (he->body != NULL)
1295 gboolean procheader_header_is_internal(const gchar *hdr_name)
1297 const gchar *internal_hdrs[] = {
1298 "AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:", "CFG:",
1299 "PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:", "R:", "MAID:",
1300 "SCF:", "RMID:", "FMID:", "NAID:",
1301 "X-Claws-Account-Id:",
1304 "X-Claws-Privacy-System:",
1305 "X-Claws-Auto-Wrapping:",
1306 "X-Claws-Auto-Indent:",
1307 "X-Claws-End-Special-Headers:",
1308 "X-Sylpheed-Account-Id:",
1310 "X-Sylpheed-Encrypt:",
1311 "X-Sylpheed-Privacy-System:",
1312 "X-Sylpheed-End-Special-Headers:",
1317 for (i = 0; internal_hdrs[i]; i++) {
1318 if (!strcmp(hdr_name, internal_hdrs[i]))