1398 lines
33 KiB
C
1398 lines
33 KiB
C
/*
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* Claws Mail -- a GTK based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2023 the Claws Mail team and Hiroyuki Yamamoto
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#include "claws-features.h"
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#endif
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sys/stat.h>
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#include "procheader.h"
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#include "procmsg.h"
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#include "codeconv.h"
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#include "prefs_common.h"
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#include "hooks.h"
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#include "utils.h"
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#include "defs.h"
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#include "file-utils.h"
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#define BUFFSIZE 8192
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static gchar monthstr[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
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typedef char *(*getlinefunc) (char *, size_t, void *);
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typedef int (*peekcharfunc) (void *);
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typedef int (*getcharfunc) (void *);
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typedef gint (*get_one_field_func) (gchar **, void *, HeaderEntry[]);
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static gint string_get_one_field(gchar **buf, char **str,
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HeaderEntry hentry[]);
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static char *string_getline(char *buf, size_t len, char **str);
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static int string_peekchar(char **str);
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static int file_peekchar(FILE *fp);
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static gint generic_get_one_field(gchar **bufptr, void *data,
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HeaderEntry hentry[],
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getlinefunc getline,
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peekcharfunc peekchar,
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gboolean unfold);
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static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
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gboolean full, gboolean decrypted);
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gint procheader_get_one_field(gchar **buf, FILE *fp,
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HeaderEntry hentry[])
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{
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return generic_get_one_field(buf, fp, hentry,
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(getlinefunc)fgets_crlf, (peekcharfunc)file_peekchar,
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TRUE);
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}
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static gint string_get_one_field(gchar **buf, char **str,
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HeaderEntry hentry[])
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{
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return generic_get_one_field(buf, str, hentry,
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(getlinefunc)string_getline,
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(peekcharfunc)string_peekchar,
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TRUE);
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}
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gboolean procheader_skip_headers(FILE *fp)
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{
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gchar *buf = g_malloc(BUFFSIZE);
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do {
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if (fgets_crlf(buf, BUFFSIZE - 1, fp) == NULL) {
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g_free(buf);
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return FALSE;
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}
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if (buf[0] == '\r' || buf[0] == '\n') {
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break;
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}
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} while (TRUE);
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g_free(buf);
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return TRUE;
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}
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static char *string_getline(char *buf, size_t len, char **str)
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{
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gboolean is_cr = FALSE;
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gboolean last_was_cr = FALSE;
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if (!*str || !**str)
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return NULL;
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for (; **str && len > 1; --len) {
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is_cr = (**str == '\r');
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if ((*buf++ = *(*str)++) == '\n') {
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break;
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}
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if (last_was_cr) {
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*(--buf) = '\n';
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buf++;
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break;
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}
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last_was_cr = is_cr;
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}
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*buf = '\0';
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return buf;
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}
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static int string_peekchar(char **str)
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{
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return **str;
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}
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static int file_peekchar(FILE *fp)
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{
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return ungetc(getc(fp), fp);
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}
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static gint generic_get_one_field(gchar **bufptr, void *data,
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HeaderEntry *hentry,
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getlinefunc getline, peekcharfunc peekchar,
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gboolean unfold)
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{
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/* returns -1 in case of failure of any kind, whatever it's a parsing error
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or an allocation error. if returns -1, *bufptr is always NULL, and vice-versa,
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and if returning 0 (OK), *bufptr is always non-NULL, so callers just have to
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test the return value
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*/
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gint nexthead;
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gint hnum = 0;
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HeaderEntry *hp = NULL;
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size_t len;
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gchar *buf;
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cm_return_val_if_fail(bufptr != NULL, -1);
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len = BUFFSIZE;
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buf = g_malloc(len);
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if (hentry != NULL) {
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/* skip non-required headers */
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/* and get hentry header line */
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do {
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do {
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if (getline(buf, len, data) == NULL) {
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debug_print("generic_get_one_field: getline\n");
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g_free(buf);
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*bufptr = NULL;
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return -1;
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}
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if (buf[0] == '\r' || buf[0] == '\n') {
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debug_print("generic_get_one_field: empty line\n");
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g_free(buf);
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*bufptr = NULL;
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return -1;
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}
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} while (buf[0] == ' ' || buf[0] == '\t');
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for (hp = hentry, hnum = 0; hp->name != NULL;
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hp++, hnum++) {
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if (!g_ascii_strncasecmp(hp->name, buf,
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strlen(hp->name)))
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break;
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}
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} while (hp->name == NULL);
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} else {
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/* read first line */
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if (getline(buf, len, data) == NULL) {
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debug_print("generic_get_one_field: getline\n");
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g_free(buf);
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*bufptr = NULL;
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return -1;
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}
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if (buf[0] == '\r' || buf[0] == '\n') {
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debug_print("generic_get_one_field: empty line\n");
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g_free(buf);
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*bufptr = NULL;
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return -1;
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}
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}
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/* reduce initial buffer to its useful part */
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len = strlen(buf)+1;
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buf = g_realloc(buf, len);
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if (buf == NULL) {
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debug_print("generic_get_one_field: reallocation error\n");
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*bufptr = NULL;
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return -1;
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}
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/* unfold line */
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while (1) {
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nexthead = peekchar(data);
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/* ([*WSP CRLF] 1*WSP) */
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if (nexthead == ' ' || nexthead == '\t') {
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size_t buflen;
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gchar *tmpbuf;
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size_t tmplen;
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gboolean skiptab = (nexthead == '\t');
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/* trim previous trailing \n if requesting one header or
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* unfolding was requested */
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if ((!hentry && unfold) || (hp && hp->unfold))
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strretchomp(buf);
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buflen = strlen(buf);
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/* read next line */
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tmpbuf = g_malloc(BUFFSIZE);
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if (getline(tmpbuf, BUFFSIZE, data) == NULL) {
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g_free(tmpbuf);
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break;
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}
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tmplen = strlen(tmpbuf)+1;
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/* extend initial buffer and concatenate next line */
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len += tmplen;
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buf = g_realloc(buf, len);
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if (buf == NULL) {
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debug_print("generic_get_one_field: reallocation error\n");
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g_free(buf);
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*bufptr = NULL;
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return -1;
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}
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memcpy(buf+buflen, tmpbuf, tmplen);
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g_free(tmpbuf);
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if (skiptab) { /* replace tab with space */
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*(buf + buflen) = ' ';
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}
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} else {
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/* remove trailing new line */
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strretchomp(buf);
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break;
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}
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}
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*bufptr = buf;
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return hnum;
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}
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gint procheader_get_one_field_asis(gchar **buf, FILE *fp)
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{
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return generic_get_one_field(buf, fp, NULL,
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(getlinefunc)fgets_crlf,
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(peekcharfunc)file_peekchar,
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FALSE);
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}
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inline
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void procheader_header_free(gpointer ptr)
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{
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Header *header = (Header*) ptr;
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if (!header) return;
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g_free(header->name);
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g_free(header->body);
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g_free(header);
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}
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GPtrArray *procheader_get_header_array(FILE *fp)
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{
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gchar *buf = NULL;
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GPtrArray *headers;
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Header *header;
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cm_return_val_if_fail(fp != NULL, NULL);
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headers = g_ptr_array_new_with_free_func(procheader_header_free);
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while (procheader_get_one_field(&buf, fp, NULL) != -1) {
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if ((header = procheader_parse_header(buf)) != NULL)
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g_ptr_array_add(headers, header);
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g_free(buf);
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buf = NULL;
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}
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return headers;
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}
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/*
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tests whether two headers' names are equal
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remove the trailing ':' or ' ' before comparing
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*/
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gboolean procheader_headername_equal(char * hdr1, char * hdr2)
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{
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int len1;
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int len2;
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len1 = strlen(hdr1);
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len2 = strlen(hdr2);
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if (hdr1[len1 - 1] == ':')
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len1--;
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if (hdr2[len2 - 1] == ':')
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len2--;
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if (len1 != len2)
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return 0;
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return (g_ascii_strncasecmp(hdr1, hdr2, len1) == 0);
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}
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/*
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parse headers, for example :
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From: dinh@enseirb.fr becomes :
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header->name = "From:"
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header->body = "dinh@enseirb.fr"
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*/
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static gboolean header_is_addr_field(const gchar *hdr)
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{
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static char *addr_headers[] = {
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"To:",
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"Cc:",
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"Bcc:",
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"From:",
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"Reply-To:",
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"Followup-To:",
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"Followup-and-Reply-To:",
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"Disposition-Notification-To:",
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"Return-Receipt-To:",
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NULL};
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int i;
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if (!hdr)
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return FALSE;
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for (i = 0; addr_headers[i] != NULL; i++)
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if (!strcasecmp(hdr, addr_headers[i]))
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return FALSE;
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return FALSE;
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}
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Header * procheader_parse_header(gchar * buf)
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{
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gchar *p;
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Header * header;
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gboolean addr_field = FALSE;
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cm_return_val_if_fail(buf != NULL, NULL);
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if ((*buf == ':') || (*buf == ' '))
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return NULL;
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for (p = buf; *p ; p++) {
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if ((*p == ':') || (*p == ' ')) {
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header = g_new(Header, 1);
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header->name = g_strndup(buf, p - buf + 1);
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addr_field = header_is_addr_field(header->name);
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p++;
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while (*p == ' ' || *p == '\t') p++;
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header->body = conv_unmime_header(p, NULL, addr_field);
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return header;
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}
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}
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return NULL;
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}
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static inline void update_hentry(HeaderEntry *hep, gchar *p)
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{
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while (*p == ' ' || *p == '\t')
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p++;
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if (hep->body == NULL)
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hep->body = g_strdup(p);
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else if (procheader_headername_equal(hep->name, "To")
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|| procheader_headername_equal(hep->name, "Cc")) {
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gchar *tp = hep->body;
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hep->body = g_strconcat(tp, ", ", p, NULL);
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g_free(tp);
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}
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}
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void procheader_get_all_header_fields(FILE *fp, HeaderEntry hentry[],
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GPtrArray *headers) {
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char *buf = NULL;
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while (procheader_get_one_field_asis(&buf, fp) != -1) {
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HeaderEntry *hep = &hentry[0];
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while( hep->name != NULL
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&& g_ascii_strncasecmp(hep->name, buf, strlen(hep->name)))
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hep++;
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if (hep->name != NULL) {
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gchar *p = buf + strlen(hep->name);
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update_hentry(hep, p);
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} else {
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Header *header = procheader_parse_header(buf);
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g_ptr_array_add(headers, header);
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}
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g_free(buf);
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buf = NULL;
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}
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}
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void procheader_get_header_fields(FILE *fp, HeaderEntry hentry[])
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{
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gchar *buf = NULL;
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HeaderEntry *hp;
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gint hnum;
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gchar *p;
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if (hentry == NULL) return;
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while ((hnum = procheader_get_one_field(&buf, fp, hentry)) != -1) {
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hp = hentry + hnum;
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p = buf + strlen(hp->name);
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update_hentry(hp, p);
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g_free(buf);
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buf = NULL;
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}
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}
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MsgInfo *procheader_parse_file(const gchar *file, MsgFlags flags,
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gboolean full, gboolean decrypted)
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{
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#ifdef G_OS_WIN32
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GFile *f;
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GFileInfo *fi;
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GTimeVal tv;
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GError *error = NULL;
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#else
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GStatBuf s;
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#endif
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FILE *fp;
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MsgInfo *msginfo;
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#ifdef G_OS_WIN32
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f = g_file_new_for_path(file);
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fi = g_file_query_info(f, "standard::size,standard::type,time::modified",
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G_FILE_QUERY_INFO_NONE, NULL, &error);
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if (error != NULL) {
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g_warning(error->message);
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g_error_free(error);
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g_object_unref(f);
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}
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#else
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if (g_stat(file, &s) < 0) {
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FILE_OP_ERROR(file, "stat");
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return NULL;
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}
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#endif
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#ifdef G_OS_WIN32
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if (g_file_info_get_file_type(fi) != G_FILE_TYPE_REGULAR) {
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g_object_unref(fi);
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g_object_unref(f);
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return NULL;
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}
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#else
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if (!S_ISREG(s.st_mode))
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return NULL;
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#endif
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if ((fp = claws_fopen(file, "rb")) == NULL) {
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FILE_OP_ERROR(file, "claws_fopen");
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return NULL;
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}
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msginfo = procheader_parse_stream(fp, flags, full, decrypted);
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claws_fclose(fp);
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if (msginfo) {
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#ifdef G_OS_WIN32
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msginfo->size = g_file_info_get_size(fi);
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g_file_info_get_modification_time(fi, &tv);
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msginfo->mtime = tv.tv_sec;
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#else
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msginfo->size = s.st_size;
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msginfo->mtime = s.st_mtime;
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#endif
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}
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#ifdef G_OS_WIN32
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g_object_unref(fi);
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g_object_unref(f);
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#endif
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return msginfo;
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}
|
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|
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MsgInfo *procheader_parse_str(const gchar *str, MsgFlags flags, gboolean full,
|
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gboolean decrypted)
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|
{
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return parse_stream(&str, TRUE, flags, full, decrypted);
|
|
}
|
|
|
|
enum
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|
{
|
|
H_DATE = 0,
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H_FROM,
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H_TO,
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H_CC,
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H_NEWSGROUPS,
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H_SUBJECT,
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H_MSG_ID,
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|
H_REFERENCES,
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|
H_IN_REPLY_TO,
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|
H_CONTENT_TYPE,
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H_SEEN,
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H_STATUS,
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H_FROM_SPACE,
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H_SC_PLANNED_DOWNLOAD,
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H_SC_MESSAGE_SIZE,
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H_FACE,
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H_X_FACE,
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H_DISPOSITION_NOTIFICATION_TO,
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H_RETURN_RECEIPT_TO,
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|
H_SC_PARTIALLY_RETRIEVED,
|
|
H_SC_ACCOUNT_SERVER,
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|
H_SC_ACCOUNT_LOGIN,
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|
H_LIST_POST,
|
|
H_LIST_SUBSCRIBE,
|
|
H_LIST_UNSUBSCRIBE,
|
|
H_LIST_HELP,
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|
H_LIST_ARCHIVE,
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|
H_LIST_OWNER,
|
|
H_RESENT_FROM,
|
|
};
|
|
|
|
static HeaderEntry hentry_full[] = {
|
|
{"Date:", NULL, FALSE},
|
|
{"From:", NULL, TRUE},
|
|
{"To:", NULL, TRUE},
|
|
{"Cc:", NULL, TRUE},
|
|
{"Newsgroups:", NULL, TRUE},
|
|
{"Subject:", NULL, TRUE},
|
|
{"Message-ID:", NULL, FALSE},
|
|
{"References:", NULL, FALSE},
|
|
{"In-Reply-To:", NULL, FALSE},
|
|
{"Content-Type:", NULL, FALSE},
|
|
{"Seen:", NULL, FALSE},
|
|
{"Status:", NULL, FALSE},
|
|
{"From ", NULL, FALSE},
|
|
{"SC-Marked-For-Download:", NULL, FALSE},
|
|
{"SC-Message-Size:", NULL, FALSE},
|
|
{"Face:", NULL, FALSE},
|
|
{"X-Face:", NULL, FALSE},
|
|
{"Disposition-Notification-To:", NULL, FALSE},
|
|
{"Return-Receipt-To:", NULL, FALSE},
|
|
{"SC-Partially-Retrieved:", NULL, FALSE},
|
|
{"SC-Account-Server:", NULL, FALSE},
|
|
{"SC-Account-Login:",NULL, FALSE},
|
|
{"List-Post:", NULL, TRUE},
|
|
{"List-Subscribe:", NULL, TRUE},
|
|
{"List-Unsubscribe:",NULL, TRUE},
|
|
{"List-Help:", NULL, TRUE},
|
|
{"List-Archive:", NULL, TRUE},
|
|
{"List-Owner:", NULL, TRUE},
|
|
{"Resent-From:", NULL, TRUE},
|
|
{NULL, NULL, FALSE}};
|
|
|
|
static HeaderEntry hentry_short[] = {
|
|
{"Date:", NULL, FALSE},
|
|
{"From:", NULL, TRUE},
|
|
{"To:", NULL, TRUE},
|
|
{"Cc:", NULL, TRUE},
|
|
{"Newsgroups:", NULL, TRUE},
|
|
{"Subject:", NULL, TRUE},
|
|
{"Message-ID:", NULL, FALSE},
|
|
{"References:", NULL, FALSE},
|
|
{"In-Reply-To:", NULL, FALSE},
|
|
{"Content-Type:", NULL, FALSE},
|
|
{"Seen:", NULL, FALSE},
|
|
{"Status:", NULL, FALSE},
|
|
{"From ", NULL, FALSE},
|
|
{"SC-Marked-For-Download:", NULL, FALSE},
|
|
{"SC-Message-Size:",NULL, FALSE},
|
|
{NULL, NULL, FALSE}};
|
|
|
|
static HeaderEntry* procheader_get_headernames(gboolean full)
|
|
{
|
|
return full ? hentry_full : hentry_short;
|
|
}
|
|
|
|
MsgInfo *procheader_parse_stream(FILE *fp, MsgFlags flags, gboolean full,
|
|
gboolean decrypted)
|
|
{
|
|
return parse_stream(fp, FALSE, flags, full, decrypted);
|
|
}
|
|
|
|
static gboolean avatar_from_some_face(gpointer source, gpointer userdata)
|
|
{
|
|
AvatarCaptureData *acd = (AvatarCaptureData *)source;
|
|
|
|
if (*(acd->content) == '\0') /* won't be null, but may be empty */
|
|
return FALSE;
|
|
|
|
if (!strcmp(acd->header, hentry_full[H_FACE].name)) {
|
|
debug_print("avatar_from_some_face: found 'Face' header\n");
|
|
procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_FACE, acd->content);
|
|
}
|
|
#if HAVE_LIBCOMPFACE
|
|
else if (!strcmp(acd->header, hentry_full[H_X_FACE].name)) {
|
|
debug_print("avatar_from_some_face: found 'X-Face' header\n");
|
|
procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_XFACE, acd->content);
|
|
}
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
|
|
static gulong avatar_hook_id = HOOK_NONE;
|
|
|
|
static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
|
|
gboolean full, gboolean decrypted)
|
|
{
|
|
MsgInfo *msginfo;
|
|
gchar *buf = NULL;
|
|
gchar *p, *tmp;
|
|
gchar *hp;
|
|
HeaderEntry *hentry;
|
|
gint hnum;
|
|
void *orig_data = data;
|
|
|
|
get_one_field_func get_one_field =
|
|
isstring ? (get_one_field_func)string_get_one_field
|
|
: (get_one_field_func)procheader_get_one_field;
|
|
|
|
hentry = procheader_get_headernames(full);
|
|
|
|
if (MSG_IS_QUEUED(flags) || MSG_IS_DRAFT(flags)) {
|
|
while (get_one_field(&buf, data, NULL) != -1) {
|
|
if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
|
|
strlen("X-Claws-End-Special-Headers:"))) ||
|
|
(!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
|
|
strlen("X-Sylpheed-End-Special-Headers:")))) {
|
|
g_free(buf);
|
|
buf = NULL;
|
|
break;
|
|
}
|
|
/* from other mailers */
|
|
if (!strncmp(buf, "Date: ", 6)
|
|
|| !strncmp(buf, "To: ", 4)
|
|
|| !strncmp(buf, "From: ", 6)
|
|
|| !strncmp(buf, "Subject: ", 9)) {
|
|
if (isstring)
|
|
data = orig_data;
|
|
else
|
|
rewind((FILE *)data);
|
|
g_free(buf);
|
|
buf = NULL;
|
|
break;
|
|
}
|
|
g_free(buf);
|
|
buf = NULL;
|
|
}
|
|
}
|
|
|
|
msginfo = procmsg_msginfo_new();
|
|
|
|
if (flags.tmp_flags || flags.perm_flags)
|
|
msginfo->flags = flags;
|
|
else
|
|
MSG_SET_PERM_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
|
|
|
|
msginfo->inreplyto = NULL;
|
|
|
|
if (avatar_hook_id == HOOK_NONE &&
|
|
(prefs_common.enable_avatars && (AVATARS_ENABLE_CAPTURE || AVATARS_ENABLE_RENDER))) {
|
|
avatar_hook_id = hooks_register_hook(AVATAR_HEADER_UPDATE_HOOKLIST,
|
|
avatar_from_some_face, NULL);
|
|
} else if (avatar_hook_id != HOOK_NONE &&
|
|
!(prefs_common.enable_avatars && AVATARS_ENABLE_CAPTURE)) {
|
|
hooks_unregister_hook(AVATAR_HEADER_UPDATE_HOOKLIST, avatar_hook_id);
|
|
avatar_hook_id = HOOK_NONE;
|
|
}
|
|
|
|
while ((hnum = get_one_field(&buf, data, hentry)) != -1) {
|
|
hp = buf + strlen(hentry[hnum].name);
|
|
while (*hp == ' ' || *hp == '\t') hp++;
|
|
|
|
switch (hnum) {
|
|
case H_DATE:
|
|
if (msginfo->date) break;
|
|
msginfo->date_t =
|
|
procheader_date_parse(NULL, hp, 0);
|
|
if (g_utf8_validate(hp, -1, NULL)) {
|
|
msginfo->date = g_strdup(hp);
|
|
} else {
|
|
gchar *utf = conv_codeset_strdup(
|
|
hp,
|
|
conv_get_locale_charset_str_no_utf8(),
|
|
CS_INTERNAL);
|
|
if (utf == NULL ||
|
|
!g_utf8_validate(utf, -1, NULL)) {
|
|
g_free(utf);
|
|
utf = g_malloc(strlen(buf)*2+1);
|
|
conv_localetodisp(utf,
|
|
strlen(hp)*2+1, hp);
|
|
}
|
|
msginfo->date = utf;
|
|
}
|
|
break;
|
|
case H_FROM:
|
|
if (msginfo->from) break;
|
|
msginfo->from = conv_unmime_header(hp, NULL, TRUE);
|
|
msginfo->fromname = procheader_get_fromname(msginfo->from);
|
|
remove_return(msginfo->from);
|
|
remove_return(msginfo->fromname);
|
|
break;
|
|
case H_TO:
|
|
tmp = conv_unmime_header(hp, NULL, TRUE);
|
|
remove_return(tmp);
|
|
if (msginfo->to) {
|
|
p = msginfo->to;
|
|
msginfo->to =
|
|
g_strconcat(p, ", ", tmp, NULL);
|
|
g_free(p);
|
|
} else
|
|
msginfo->to = g_strdup(tmp);
|
|
g_free(tmp);
|
|
break;
|
|
case H_CC:
|
|
tmp = conv_unmime_header(hp, NULL, TRUE);
|
|
remove_return(tmp);
|
|
if (msginfo->cc) {
|
|
p = msginfo->cc;
|
|
msginfo->cc =
|
|
g_strconcat(p, ", ", tmp, NULL);
|
|
g_free(p);
|
|
} else
|
|
msginfo->cc = g_strdup(tmp);
|
|
g_free(tmp);
|
|
break;
|
|
case H_NEWSGROUPS:
|
|
if (msginfo->newsgroups) {
|
|
p = msginfo->newsgroups;
|
|
msginfo->newsgroups =
|
|
g_strconcat(p, ",", hp, NULL);
|
|
g_free(p);
|
|
} else
|
|
msginfo->newsgroups = g_strdup(hp);
|
|
break;
|
|
case H_SUBJECT:
|
|
if (msginfo->subject) break;
|
|
msginfo->subject = conv_unmime_header(hp, NULL, FALSE);
|
|
unfold_line(msginfo->subject);
|
|
break;
|
|
case H_MSG_ID:
|
|
if (msginfo->msgid) break;
|
|
|
|
extract_parenthesis(hp, '<', '>');
|
|
remove_space(hp);
|
|
msginfo->msgid = g_strdup(hp);
|
|
break;
|
|
case H_REFERENCES:
|
|
msginfo->references =
|
|
references_list_prepend(msginfo->references,
|
|
hp);
|
|
break;
|
|
case H_IN_REPLY_TO:
|
|
if (msginfo->inreplyto) break;
|
|
|
|
eliminate_parenthesis(hp, '(', ')');
|
|
if ((p = strrchr(hp, '<')) != NULL &&
|
|
strchr(p + 1, '>') != NULL) {
|
|
extract_parenthesis(p, '<', '>');
|
|
remove_space(p);
|
|
if (*p != '\0')
|
|
msginfo->inreplyto = g_strdup(p);
|
|
}
|
|
break;
|
|
case H_CONTENT_TYPE:
|
|
if (!g_ascii_strncasecmp(hp, "multipart/", 10))
|
|
MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MULTIPART);
|
|
break;
|
|
case H_DISPOSITION_NOTIFICATION_TO:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->dispositionnotificationto) break;
|
|
msginfo->extradata->dispositionnotificationto = g_strdup(hp);
|
|
break;
|
|
case H_RETURN_RECEIPT_TO:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->returnreceiptto) break;
|
|
msginfo->extradata->returnreceiptto = g_strdup(hp);
|
|
break;
|
|
/* partial download infos */
|
|
case H_SC_PARTIALLY_RETRIEVED:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->partial_recv) break;
|
|
msginfo->extradata->partial_recv = g_strdup(hp);
|
|
break;
|
|
case H_SC_ACCOUNT_SERVER:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->account_server) break;
|
|
msginfo->extradata->account_server = g_strdup(hp);
|
|
break;
|
|
case H_SC_ACCOUNT_LOGIN:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->account_login) break;
|
|
msginfo->extradata->account_login = g_strdup(hp);
|
|
break;
|
|
case H_SC_MESSAGE_SIZE:
|
|
if (msginfo->total_size) break;
|
|
msginfo->total_size = atoi(hp);
|
|
break;
|
|
case H_SC_PLANNED_DOWNLOAD:
|
|
msginfo->planned_download = atoi(hp);
|
|
break;
|
|
/* end partial download infos */
|
|
case H_FROM_SPACE:
|
|
if (msginfo->fromspace) break;
|
|
msginfo->fromspace = g_strdup(hp);
|
|
remove_return(msginfo->fromspace);
|
|
break;
|
|
/* list infos */
|
|
case H_LIST_POST:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_post) break;
|
|
msginfo->extradata->list_post = g_strdup(hp);
|
|
break;
|
|
case H_LIST_SUBSCRIBE:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_subscribe) break;
|
|
msginfo->extradata->list_subscribe = g_strdup(hp);
|
|
break;
|
|
case H_LIST_UNSUBSCRIBE:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_unsubscribe) break;
|
|
msginfo->extradata->list_unsubscribe = g_strdup(hp);
|
|
break;
|
|
case H_LIST_HELP:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_help) break;
|
|
msginfo->extradata->list_help = g_strdup(hp);
|
|
break;
|
|
case H_LIST_ARCHIVE:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_archive) break;
|
|
msginfo->extradata->list_archive = g_strdup(hp);
|
|
break;
|
|
case H_LIST_OWNER:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->list_owner) break;
|
|
msginfo->extradata->list_owner = g_strdup(hp);
|
|
break;
|
|
case H_RESENT_FROM:
|
|
if (!msginfo->extradata)
|
|
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
|
|
if (msginfo->extradata->resent_from) break;
|
|
msginfo->extradata->resent_from = g_strdup(hp);
|
|
break;
|
|
/* end list infos */
|
|
default:
|
|
break;
|
|
}
|
|
/* to avoid performance penalty hooklist is invoked only for
|
|
headers known to be able to generate avatars */
|
|
if (hnum == H_FROM || hnum == H_X_FACE || hnum == H_FACE) {
|
|
AvatarCaptureData *acd = g_new0(AvatarCaptureData, 1);
|
|
/* no extra memory is wasted, hooks are expected to
|
|
take care of copying members when needed */
|
|
acd->msginfo = msginfo;
|
|
acd->header = hentry_full[hnum].name;
|
|
acd->content = hp;
|
|
hooks_invoke(AVATAR_HEADER_UPDATE_HOOKLIST, (gpointer)acd);
|
|
g_free(acd);
|
|
}
|
|
g_free(buf);
|
|
buf = NULL;
|
|
}
|
|
|
|
if (!msginfo->inreplyto && msginfo->references)
|
|
msginfo->inreplyto =
|
|
g_strdup((gchar *)msginfo->references->data);
|
|
|
|
return msginfo;
|
|
}
|
|
|
|
gchar *procheader_get_fromname(const gchar *str)
|
|
{
|
|
gchar *tmp, *name;
|
|
|
|
Xstrdup_a(tmp, str, return NULL);
|
|
|
|
if (*tmp == '\"') {
|
|
extract_quote(tmp, '\"');
|
|
g_strstrip(tmp);
|
|
} else if (strchr(tmp, '<')) {
|
|
eliminate_parenthesis(tmp, '<', '>');
|
|
g_strstrip(tmp);
|
|
if (*tmp == '\0') {
|
|
strcpy(tmp, str);
|
|
extract_parenthesis(tmp, '<', '>');
|
|
g_strstrip(tmp);
|
|
}
|
|
} else if (strchr(tmp, '(')) {
|
|
extract_parenthesis(tmp, '(', ')');
|
|
g_strstrip(tmp);
|
|
}
|
|
|
|
if (*tmp == '\0')
|
|
name = g_strdup(str);
|
|
else
|
|
name = g_strdup(tmp);
|
|
|
|
return name;
|
|
}
|
|
|
|
static gint procheader_remove_comment_in_date_string(gchar *o_str)
|
|
{
|
|
gchar str[strlen(o_str)+1];
|
|
int i, j = 0;
|
|
int in_comment_nest_level = 0;
|
|
gboolean flag_escape_backslash = FALSE;
|
|
|
|
for (i=0; i < strlen(o_str); i++) {
|
|
switch (o_str[i]) {
|
|
case '(':
|
|
in_comment_nest_level++;
|
|
if (in_comment_nest_level > 16) {
|
|
str[j] = '\0';
|
|
return TRUE;
|
|
}
|
|
continue;
|
|
case '\\':
|
|
if (in_comment_nest_level > 0) {
|
|
flag_escape_backslash = TRUE;
|
|
continue;
|
|
}
|
|
break;
|
|
case ')':
|
|
if (flag_escape_backslash == TRUE) {
|
|
flag_escape_backslash = FALSE;
|
|
continue;
|
|
}
|
|
in_comment_nest_level--;
|
|
if (in_comment_nest_level < 0) {
|
|
str[j] = '\0';
|
|
return TRUE;
|
|
}
|
|
continue;
|
|
default:
|
|
if (in_comment_nest_level > 0) {
|
|
if (flag_escape_backslash == TRUE)
|
|
flag_escape_backslash = FALSE;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
str[j++] = o_str[i];
|
|
}
|
|
str[j] = '\0';
|
|
strcpy(o_str, str);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gint procheader_scan_date_string(const gchar *o_str,
|
|
gchar *weekday, gint *day,
|
|
gchar *month, gint *year,
|
|
gint *hh, gint *mm, gint *ss,
|
|
gchar *zone)
|
|
{
|
|
gint result;
|
|
gint month_n;
|
|
gint secfract;
|
|
gint zone1 = 0, zone2 = 0;
|
|
gchar offset_sign, zonestr[7];
|
|
gchar sep1;
|
|
|
|
if (o_str == NULL)
|
|
return -1;
|
|
|
|
gchar str[strlen(o_str)+1];
|
|
|
|
strcpy(str, o_str);
|
|
if (strchr(str, '(') != NULL)
|
|
procheader_remove_comment_in_date_string(str);
|
|
|
|
result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d %6s",
|
|
weekday, day, month, year, hh, mm, ss, zone);
|
|
if (result == 8) return 0;
|
|
|
|
/* RFC2822 */
|
|
result = sscanf(str, "%3s,%d %9s %d %2d:%2d:%2d %6s",
|
|
weekday, day, month, year, hh, mm, ss, zone);
|
|
if (result == 8) return 0;
|
|
|
|
result = sscanf(str, "%3s %3s %d %2d:%2d:%2d %d %6s",
|
|
weekday, month, day, hh, mm, ss, year, zone);
|
|
if (result == 8) return 0;
|
|
|
|
result = sscanf(str, "%d %9s %d %2d:%2d:%2d %6s",
|
|
day, month, year, hh, mm, ss, zone);
|
|
if (result == 7) return 0;
|
|
|
|
*zone = '\0';
|
|
result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d",
|
|
weekday, day, month, year, hh, mm, ss);
|
|
if (result == 7) return 0;
|
|
|
|
result = sscanf(str, "%3s %3s %d %2d:%2d:%2d %d",
|
|
weekday, month, day, hh, mm, ss, year);
|
|
if (result == 7) return 0;
|
|
|
|
result = sscanf(str, "%d %9s %d %2d:%2d:%2d",
|
|
day, month, year, hh, mm, ss);
|
|
if (result == 6) return 0;
|
|
|
|
*ss = 0;
|
|
result = sscanf(str, "%10s %d %9s %d %2d:%2d %6s",
|
|
weekday, day, month, year, hh, mm, zone);
|
|
if (result == 7) return 0;
|
|
|
|
result = sscanf(str, "%d %9s %d %2d:%2d %5s",
|
|
day, month, year, hh, mm, zone);
|
|
if (result == 6) return 0;
|
|
|
|
*zone = '\0';
|
|
result = sscanf(str, "%10s %d %9s %d %2d:%2d",
|
|
weekday, day, month, year, hh, mm);
|
|
if (result == 6) return 0;
|
|
|
|
result = sscanf(str, "%d %9s %d %2d:%2d",
|
|
day, month, year, hh, mm);
|
|
if (result == 5) return 0;
|
|
|
|
*weekday = '\0';
|
|
|
|
/* RFC3339 subset, with fraction of second */
|
|
result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d.%d%6s",
|
|
year, &month_n, day, &sep1, hh, mm, ss, &secfract, zonestr);
|
|
if (result == 9
|
|
&& (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
|
|
if (month_n >= 1 && month_n <= 12) {
|
|
strncpy2(month, monthstr+((month_n-1)*3), 4);
|
|
if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
|
|
strcat(zone, "+00:00");
|
|
} else if (sscanf(zonestr, "%c%2d:%2d",
|
|
&offset_sign, &zone1, &zone2) == 3) {
|
|
strcat(zone, zonestr);
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* RFC3339 subset, no fraction of second */
|
|
result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d%6s",
|
|
year, &month_n, day, &sep1, hh, mm, ss, zonestr);
|
|
if (result == 8
|
|
&& (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
|
|
if (month_n >= 1 && month_n <= 12) {
|
|
strncpy2(month, monthstr+((month_n-1)*3), 4);
|
|
if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
|
|
strcat(zone, "+00:00");
|
|
} else if (sscanf(zonestr, "%c%2d:%2d",
|
|
&offset_sign, &zone1, &zone2) == 3) {
|
|
strcat(zone, zonestr);
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
*zone = '\0';
|
|
|
|
/* RFC3339 subset, no fraction of second, and no timezone offset */
|
|
/* This particular "subset" is invalid, RFC requires the offset */
|
|
result = sscanf(str, "%4d-%2d-%2d %2d:%2d:%2d",
|
|
year, &month_n, day, hh, mm, ss);
|
|
if (result == 6) {
|
|
if (1 <= month_n && month_n <= 12) {
|
|
strncpy2(month, monthstr+((month_n-1)*3), 4);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* ISO8601 format with just date (YYYY-MM-DD) */
|
|
result = sscanf(str, "%4d-%2d-%2d",
|
|
year, &month_n, day);
|
|
if (result == 3) {
|
|
*hh = *mm = *ss = 0;
|
|
if (1 <= month_n && month_n <= 12) {
|
|
strncpy2(month, monthstr+((month_n-1)*3), 4);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Hiro, most UNIXen support this function:
|
|
* http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?getdate
|
|
*/
|
|
gboolean procheader_date_parse_to_tm(const gchar *src, struct tm *t, char *zone)
|
|
{
|
|
gchar weekday[11];
|
|
gint day;
|
|
gchar month[10];
|
|
gint year;
|
|
gint hh, mm, ss;
|
|
GDateMonth dmonth;
|
|
gchar *p;
|
|
|
|
if (!t)
|
|
return FALSE;
|
|
|
|
memset(t, 0, sizeof *t);
|
|
|
|
if (procheader_scan_date_string(src, weekday, &day, month, &year,
|
|
&hh, &mm, &ss, zone) < 0) {
|
|
g_warning("invalid date: %s", src);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Y2K compliant :) */
|
|
if (year < 100) {
|
|
if (year < 70)
|
|
year += 2000;
|
|
else
|
|
year += 1900;
|
|
}
|
|
|
|
month[3] = '\0';
|
|
if ((p = strstr(monthstr, month)) != NULL)
|
|
dmonth = (gint)(p - monthstr) / 3 + 1;
|
|
else {
|
|
g_warning("invalid month: %s", month);
|
|
dmonth = G_DATE_BAD_MONTH;
|
|
}
|
|
|
|
t->tm_sec = ss;
|
|
t->tm_min = mm;
|
|
t->tm_hour = hh;
|
|
t->tm_mday = day;
|
|
t->tm_mon = dmonth - 1;
|
|
t->tm_year = year - 1900;
|
|
t->tm_wday = 0;
|
|
t->tm_yday = 0;
|
|
t->tm_isdst = -1;
|
|
|
|
mktime(t);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
time_t procheader_date_parse(gchar *dest, const gchar *src, gint len)
|
|
{
|
|
gchar weekday[11];
|
|
gint day;
|
|
gchar month[10];
|
|
gint year;
|
|
gint hh, mm, ss;
|
|
gchar zone[7];
|
|
GDateMonth dmonth = G_DATE_BAD_MONTH;
|
|
gchar *p;
|
|
time_t timer;
|
|
|
|
if (procheader_scan_date_string(src, weekday, &day, month, &year,
|
|
&hh, &mm, &ss, zone) < 0) {
|
|
if (dest && len > 0)
|
|
strncpy2(dest, src, len);
|
|
return 0;
|
|
}
|
|
|
|
month[3] = '\0';
|
|
for (p = monthstr; *p != '\0'; p += 3) {
|
|
if (!g_ascii_strncasecmp(p, month, 3)) {
|
|
dmonth = (gint)(p - monthstr) / 3 + 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef G_OS_WIN32
|
|
GTimeZone *tz;
|
|
GDateTime *dt, *dt2;
|
|
|
|
#if GLIB_CHECK_VERSION(2,68,0)
|
|
tz = g_time_zone_new_identifier(zone);
|
|
if (tz == NULL)
|
|
tz = g_time_zone_new_utc();
|
|
#else
|
|
tz = g_time_zone_new(zone); // can't return NULL no need to check for it
|
|
#endif
|
|
dt = g_date_time_new(tz, 1, 1, 1, 0, 0, 0);
|
|
g_time_zone_unref(tz);
|
|
dt2 = g_date_time_add_full(dt, year-1, dmonth-1, day-1, hh, mm, ss);
|
|
g_date_time_unref(dt);
|
|
|
|
timer = g_date_time_to_unix(dt2);
|
|
g_date_time_unref(dt2);
|
|
|
|
#else
|
|
struct tm t;
|
|
time_t tz_offset;
|
|
|
|
/* Y2K compliant :) */
|
|
if (year < 1000) {
|
|
if (year < 50)
|
|
year += 2000;
|
|
else
|
|
year += 1900;
|
|
}
|
|
|
|
t.tm_sec = ss;
|
|
t.tm_min = mm;
|
|
t.tm_hour = hh;
|
|
t.tm_mday = day;
|
|
t.tm_mon = dmonth - 1;
|
|
t.tm_year = year - 1900;
|
|
t.tm_wday = 0;
|
|
t.tm_yday = 0;
|
|
t.tm_isdst = -1;
|
|
|
|
timer = mktime(&t);
|
|
tz_offset = remote_tzoffset_sec(zone);
|
|
if (tz_offset != -1)
|
|
timer += tzoffset_sec(&timer) - tz_offset;
|
|
|
|
#endif
|
|
if (dest)
|
|
procheader_date_get_localtime(dest, len, timer);
|
|
|
|
return timer;
|
|
}
|
|
|
|
void procheader_date_get_localtime(gchar *dest, gint len, const time_t timer)
|
|
{
|
|
struct tm *lt;
|
|
gchar *default_format = "%y/%m/%d(%a) %H:%M";
|
|
gchar *str;
|
|
const gchar *src_codeset, *dest_codeset;
|
|
struct tm buf;
|
|
|
|
if (timer > 0)
|
|
lt = localtime_r(&timer, &buf);
|
|
else {
|
|
time_t dummy = 1;
|
|
lt = localtime_r(&dummy, &buf);
|
|
}
|
|
|
|
if (prefs_common.date_format)
|
|
fast_strftime(dest, len, prefs_common.date_format, lt);
|
|
else
|
|
fast_strftime(dest, len, default_format, lt);
|
|
|
|
if (!g_utf8_validate(dest, -1, NULL)) {
|
|
src_codeset = conv_get_locale_charset_str_no_utf8();
|
|
dest_codeset = CS_UTF_8;
|
|
str = conv_codeset_strdup(dest, src_codeset, dest_codeset);
|
|
if (str) {
|
|
strncpy2(dest, str, len);
|
|
g_free(str);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Added by Mel Hadasht on 27 Aug 2001 */
|
|
/* Get a header from msginfo */
|
|
gint procheader_get_header_from_msginfo(MsgInfo *msginfo, gchar **buf, gchar *header)
|
|
{
|
|
gchar *file;
|
|
FILE *fp;
|
|
HeaderEntry hentry[]={ { NULL, NULL, TRUE },
|
|
{ NULL, NULL, FALSE } };
|
|
gint val;
|
|
|
|
cm_return_val_if_fail(msginfo != NULL, -1);
|
|
cm_return_val_if_fail(buf != NULL, -1);
|
|
cm_return_val_if_fail(header != NULL, -1);
|
|
|
|
hentry[0].name = header;
|
|
|
|
file = procmsg_get_message_file_path(msginfo);
|
|
if ((fp = claws_fopen(file, "rb")) == NULL) {
|
|
FILE_OP_ERROR(file, "claws_fopen");
|
|
g_free(file);
|
|
g_free(*buf);
|
|
*buf = NULL;
|
|
return -1;
|
|
}
|
|
val = procheader_get_one_field(buf, fp, hentry);
|
|
|
|
if (claws_fclose(fp) == EOF) {
|
|
FILE_OP_ERROR(file, "claws_fclose");
|
|
claws_unlink(file);
|
|
g_free(file);
|
|
g_free(*buf);
|
|
*buf = NULL;
|
|
return -1;
|
|
}
|
|
|
|
g_free(file);
|
|
if (val == -1) {
|
|
/* *buf is already NULL in that case, see procheader_get_one_field() */
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
HeaderEntry *procheader_entries_from_str(const gchar *str)
|
|
{
|
|
HeaderEntry *entries = NULL, *he;
|
|
int numh = 0, i = 0;
|
|
gchar **names = NULL;
|
|
const gchar *s = str;
|
|
|
|
if (s == NULL) {
|
|
return NULL;
|
|
}
|
|
while (*s != '\0') {
|
|
if (*s == ' ') ++numh;
|
|
++s;
|
|
}
|
|
if (numh == 0) {
|
|
return NULL;
|
|
}
|
|
entries = g_new0(HeaderEntry, numh + 1); /* room for last NULL */
|
|
s = str;
|
|
++s; /* skip first space */
|
|
names = g_strsplit(s, " ", numh);
|
|
he = entries;
|
|
while (names[i]) {
|
|
he->name = g_strdup_printf("%s:", names[i]);
|
|
he->body = NULL;
|
|
he->unfold = FALSE;
|
|
++i, ++he;
|
|
}
|
|
he->name = NULL;
|
|
g_strfreev(names);
|
|
return entries;
|
|
}
|
|
|
|
void procheader_entries_free (HeaderEntry *entries)
|
|
{
|
|
if (entries != NULL) {
|
|
HeaderEntry *he = entries;
|
|
while (he->name != NULL) {
|
|
g_free(he->name);
|
|
if (he->body != NULL)
|
|
g_free(he->body);
|
|
++he;
|
|
}
|
|
g_free(entries);
|
|
}
|
|
}
|
|
|
|
gboolean procheader_header_is_internal(const gchar *hdr_name)
|
|
{
|
|
const gchar *internal_hdrs[] = {
|
|
"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:", "CFG:",
|
|
"PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:", "R:", "MAID:",
|
|
"SCF:", "RMID:", "FMID:", "NAID:",
|
|
"X-Claws-Account-Id:",
|
|
"X-Claws-Sign:",
|
|
"X-Claws-Encrypt:",
|
|
"X-Claws-Privacy-System:",
|
|
"X-Claws-Auto-Wrapping:",
|
|
"X-Claws-Auto-Indent:",
|
|
"X-Claws-End-Special-Headers:",
|
|
"X-Sylpheed-Account-Id:",
|
|
"X-Sylpheed-Sign:",
|
|
"X-Sylpheed-Encrypt:",
|
|
"X-Sylpheed-Privacy-System:",
|
|
"X-Sylpheed-End-Special-Headers:",
|
|
NULL
|
|
};
|
|
int i;
|
|
|
|
for (i = 0; internal_hdrs[i]; i++) {
|
|
if (!strcmp(hdr_name, internal_hdrs[i]))
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|