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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2000-2001 Qualcomm Incorporated
* Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2002-2005 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
* CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
* COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
* SOFTWARE IS DISCLAIMED.
*
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <fcntl.h>
#include <unistd.h>
#include <malloc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include "textfile.h"
#include "hcid.h"
static int create_dirs(char *filename, mode_t mode)
{
struct stat st;
char dir[PATH_MAX + 1], *prev, *next;
int err;
err = stat(filename, &st);
if (!err && S_ISREG(st.st_mode))
return 0;
memset(dir, 0, PATH_MAX + 1);
strcat(dir, "/");
prev = strchr(filename, '/');
while (prev) {
next = strchr(prev + 1, '/');
if (!next)
break;
if (next - prev == 1) {
prev = next;
continue;
}
strncat(dir, prev + 1, next - prev);
mkdir(dir, mode);
prev = next;
}
return 0;
}
static inline int create_file(char *filename, mode_t mode)
{
int fd;
umask(S_IWGRP | S_IWOTH);
create_dirs(filename, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
fd = open(filename, O_RDWR | O_CREAT, mode);
if (fd < 0)
return fd;
close(fd);
return 0;
}
int write_device_name(bdaddr_t *local, bdaddr_t *peer, char *name)
{
char filename[PATH_MAX + 1], addr[18], str[249];
int i;
memset(str, 0, sizeof(str));
for (i = 0; i < 248 && name[i]; i++)
if (isprint(name[i]))
str[i] = name[i];
else
str[i] = '.';
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/names", STORAGEDIR, addr);
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
ba2str(peer, addr);
return textfile_put(filename, addr, str);
}
int read_device_name(bdaddr_t *local, bdaddr_t *peer, char *name)
{
char filename[PATH_MAX + 1], addr[18], *str;
int len;
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/names", STORAGEDIR, addr);
ba2str(peer, addr);
str = textfile_get(filename, addr);
if (!str)
return -ENOENT;
len = strlen(str);
if (len > 248)
str[248] = '\0';
strcpy(name, str);
return 0;
}
int write_version_info(bdaddr_t *local, bdaddr_t *peer, uint16_t manufacturer, uint8_t lmp_ver, uint16_t lmp_subver)
{
char filename[PATH_MAX + 1], addr[18], str[16];
memset(str, 0, sizeof(str));
sprintf(str, "%d %d %d", manufacturer, lmp_ver, lmp_subver);
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/manufacturers", STORAGEDIR, addr);
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
ba2str(peer, addr);
return textfile_put(filename, addr, str);
}
int write_features_info(bdaddr_t *local, bdaddr_t *peer, unsigned char *features)
{
char filename[PATH_MAX + 1], addr[18], str[17];
int i;
memset(str, 0, sizeof(str));
for (i = 0; i < 8; i++)
sprintf(str + (i * 2), "%2.2X", features[i]);
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/features", STORAGEDIR, addr);
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
ba2str(peer, addr);
return textfile_put(filename, addr, str);
}
int write_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, int type)
{
char filename[PATH_MAX + 1], addr[18], str[35];
int i;
memset(str, 0, sizeof(str));
for (i = 0; i < 16; i++)
sprintf(str + (i * 2), "%2.2X", key[i]);
sprintf(str + 32, " %d", type);
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/linkkeys", STORAGEDIR, addr);
create_file(filename, S_IRUSR | S_IWUSR);
ba2str(peer, addr);
return textfile_put(filename, addr, str);
}
int read_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key)
{
char filename[PATH_MAX + 1], addr[18], tmp[3], *str;
int i;
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/linkkeys", STORAGEDIR, addr);
ba2str(peer, addr);
str = textfile_get(filename, addr);
if (!str)
return -ENOENT;
memset(tmp, 0, sizeof(tmp));
for (i = 0; i < 16; i++) {
memcpy(tmp, str + (i * 2), 2);
key[i] = (uint8_t) strtol(tmp, NULL, 16);
}
return 0;
}
int read_pin_code(bdaddr_t *local, bdaddr_t *peer, char *pin)
{
char filename[PATH_MAX + 1], addr[18], *str;
int len;
ba2str(local, addr);
snprintf(filename, PATH_MAX, "%s/%s/pincodes", STORAGEDIR, addr);
ba2str(peer, addr);
str = textfile_get(filename, addr);
if (!str)
return -ENOENT;
strncpy(pin, str, 16);
len = strlen(pin);
return len;
}
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