/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Author : Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright (C) 1999 Helix Code .
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <config.h>
#include "camel-log.h"
#include "camel-mbox-folder.h"
#include "camel-mbox-summary.h"
#include "md5-utils.h"
#include <sys/stat.h>
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
void
camel_mbox_save_summary (CamelMboxSummary *summary, const gchar *filename, CamelException *ex)
{
CamelMboxSummaryInformation *msg_info;
guint cur_msg;
guint field_lgth;
gint fd;
CAMEL_LOG_FULL_DEBUG ("CamelMboxFolder::save_summary entering \n");
fd = open (filename, O_WRONLY | O_CREAT | O_TRUNC);
if (fd == -1) {
camel_exception_setv (ex,
CAMEL_EXCEPTION_FOLDER_INSUFFICIENT_PERMISSION,
"could not create the mbox summary file\n"
"\t%s\n"
"Full error is : %s\n",
filename,
strerror (errno));
return;
}
/* compute and write the mbox file md5 signature */
//md5_get_digest_from_file (filename, summary->md5_digest);
/* write the number of messages + the md5 signatures
+ next UID + mbox file size */
write (fd, summary, sizeof (guint) + sizeof (guchar) * 16 + 2 * sizeof (guint32));
for (cur_msg=0; cur_msg < summary->nb_message; cur_msg++) {
msg_info = (CamelMboxSummaryInformation *)(summary->message_info->data) + cur_msg;
/* write message position + x-evolution offset
+ uid + status */
write (fd, (gchar *)msg_info,
sizeof (guint32) + sizeof (guint) +
sizeof (guint32) + sizeof (guchar));
/* write subject */
field_lgth = msg_info->subject ? strlen (msg_info->subject) : 0;
write (fd, &field_lgth, sizeof (guint));
if (field_lgth)
write (fd, msg_info->subject, field_lgth);
/* write sender */
field_lgth = msg_info->sender ? strlen (msg_info->sender) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->sender, field_lgth);
/* write to */
field_lgth = msg_info->to ? strlen (msg_info->to) : 0;
write (fd, &field_lgth, sizeof (gint));
if (field_lgth)
write (fd, msg_info->to, field_lgth);
/* write date */
field_lgth = msg_info->date ? strlen (msg_info->date) : 0;
write (fd, &field_lgth, sizeof (guint));
if (field_lgth)
write (fd, msg_info->date, field_lgth);
}
close (fd);
CAMEL_LOG_FULL_DEBUG ("CamelMboxFolder::save_summary leaving \n");
}
CamelMboxSummary *
camel_mbox_load_summary (const gchar *filename, CamelException *ex)
{
CamelMboxSummaryInformation *msg_info;
guint cur_msg;
guint field_lgth;
gint fd;
CamelMboxSummary *summary;
CAMEL_LOG_FULL_DEBUG ("CamelMboxFolder::save_summary entering \n");
fd = open (filename, O_RDONLY);
if (fd == -1) {
camel_exception_setv (ex,
CAMEL_EXCEPTION_FOLDER_INSUFFICIENT_PERMISSION,
"could not open the mbox summary file\n"
"\t%s\n"
"Full error is : %s\n",
filename,
strerror (errno));
return NULL;
}
summary = g_new0 (CamelMboxSummary, 1);
/* read the message number, the md5 signature
and the next available UID + mbox file size */
read (fd, summary, sizeof (guint) + sizeof (guchar) * 16 + 2 * sizeof (guint32));
summary->message_info = g_array_new (FALSE, FALSE, sizeof (CamelMboxSummaryInformation));
summary->message_info = g_array_set_size (summary->message_info, summary->nb_message);
for (cur_msg=0; cur_msg < summary->nb_message; cur_msg++) {
msg_info = (CamelMboxSummaryInformation *)(summary->message_info->data) + cur_msg;
/* read message position + x-evolution offset
+ uid + status */
read (fd, (gchar *)msg_info,
sizeof (guint32) + sizeof (guint) +
sizeof (guint32) + sizeof (guchar));
/* read the subject */
read (fd, &field_lgth, sizeof (gint));
if (field_lgth > 0) {
msg_info->subject = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->subject, field_lgth);
} else
msg_info->subject = NULL;
/* read the sender */
read (fd, &field_lgth, sizeof (gint));
if (field_lgth > 0) {
msg_info->sender = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->sender, field_lgth);
} else
msg_info->sender = NULL;
/* read the "to" field */
read (fd, &field_lgth, sizeof (gint));
if (field_lgth > 0) {
msg_info->to = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->to, field_lgth);
} else
msg_info->to = NULL;
/* read the "date" field */
read (fd, &field_lgth, sizeof (gint));
if (field_lgth > 0) {
msg_info->date = g_new0 (gchar, field_lgth + 1);
read (fd, msg_info->date, field_lgth);
} else
msg_info->date = NULL;
}
close (fd);
return summary;
}
gboolean
camel_mbox_check_summary_sync (gchar *summary_filename,
gchar *mbox_filename,
CamelException *ex)
{
gint fd;
guchar summary_md5[16];
guchar real_md5[16];
CAMEL_LOG_FULL_DEBUG ("CamelMboxFolder::save_summary entering \n");
fd = open (summary_filename, O_RDONLY);
if (fd == -1) {
camel_exception_setv (ex,
CAMEL_EXCEPTION_FOLDER_INSUFFICIENT_PERMISSION,
"could not open the mbox summary file\n"
"\t%s\n"
"Full error is : %s\n",
summary_filename,
strerror (errno));
return FALSE;
}
/* skip the message number field */
lseek (fd, sizeof (guint), SEEK_SET);
/* read the md5 signature stored in the summary file */
read (fd, summary_md5, sizeof (guchar) * 16);
close (fd);
/* ** FIXME : check for exception in all these operations */
/* compute the actual md5 signature on the
mbox file */
md5_get_digest_from_file (mbox_filename, real_md5);
return (strncmp (real_md5, summary_md5, 16) == 0);
}
