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* BlueZ - Bluetooth protocol stack for Linux
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* Copyright (C) 2006-2007 Nokia Corporation
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* Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org>
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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 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/sdp.h>
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#include <bluetooth/sdp_lib.h>
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#include "glib-helper.h"
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static inline int create_filename(char *buf, size_t size,
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const bdaddr_t *bdaddr, const char *name)
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return create_name(buf, size, STORAGEDIR, addr, name);
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int read_device_alias(const char *src, const char *dst, char *alias, size_t size)
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char filename[PATH_MAX + 1], *tmp;
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create_name(filename, PATH_MAX, STORAGEDIR, src, "aliases");
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tmp = textfile_get(filename, dst);
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err = snprintf(alias, size, "%s", tmp);
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int write_device_alias(const char *src, const char *dst, const char *alias)
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char filename[PATH_MAX + 1];
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create_name(filename, PATH_MAX, STORAGEDIR, src, "aliases");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, dst, alias);
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int write_discoverable_timeout(bdaddr_t *bdaddr, int timeout)
92
char filename[PATH_MAX + 1], str[32];
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snprintf(str, sizeof(str), "%d", timeout);
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create_filename(filename, PATH_MAX, bdaddr, "config");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, "discovto", str);
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int read_discoverable_timeout(const char *src, int *timeout)
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char filename[PATH_MAX + 1], *str;
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create_name(filename, PATH_MAX, STORAGEDIR, src, "config");
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str = textfile_get(filename, "discovto");
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if (sscanf(str, "%d", timeout) != 1) {
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int write_device_mode(bdaddr_t *bdaddr, const char *mode)
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char filename[PATH_MAX + 1];
127
create_filename(filename, PATH_MAX, bdaddr, "config");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
131
if (strcmp(mode, "off") != 0)
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textfile_put(filename, "onmode", mode);
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return textfile_put(filename, "mode", mode);
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int read_device_mode(const char *src, char *mode, int length)
139
char filename[PATH_MAX + 1], *str;
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create_name(filename, PATH_MAX, STORAGEDIR, src, "config");
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str = textfile_get(filename, "mode");
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strncpy(mode, str, length);
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mode[length - 1] = '\0';
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int read_on_mode(const char *src, char *mode, int length)
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char filename[PATH_MAX + 1], *str;
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create_name(filename, PATH_MAX, STORAGEDIR, src, "config");
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str = textfile_get(filename, "onmode");
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strncpy(mode, str, length);
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mode[length - 1] = '\0';
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int write_local_name(bdaddr_t *bdaddr, char *name)
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char filename[PATH_MAX + 1], str[249];
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memset(str, 0, sizeof(str));
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for (i = 0; i < 248 && name[i]; i++)
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if ((unsigned char) name[i] < 32 || name[i] == 127)
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create_filename(filename, PATH_MAX, bdaddr, "config");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, "name", str);
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int read_local_name(bdaddr_t *bdaddr, char *name)
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char filename[PATH_MAX + 1], *str;
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create_filename(filename, PATH_MAX, bdaddr, "config");
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str = textfile_get(filename, "name");
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int write_local_class(bdaddr_t *bdaddr, uint8_t *class)
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char filename[PATH_MAX + 1], str[9];
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sprintf(str, "0x%2.2x%2.2x%2.2x", class[2], class[1], class[0]);
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create_filename(filename, PATH_MAX, bdaddr, "config");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, "class", str);
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int read_local_class(bdaddr_t *bdaddr, uint8_t *class)
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char filename[PATH_MAX + 1], tmp[3], *str;
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create_filename(filename, PATH_MAX, bdaddr, "config");
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str = textfile_get(filename, "class");
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memset(tmp, 0, sizeof(tmp));
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for (i = 0; i < 3; i++) {
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memcpy(tmp, str + (i * 2) + 2, 2);
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class[2 - i] = (uint8_t) strtol(tmp, NULL, 16);
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int write_remote_class(bdaddr_t *local, bdaddr_t *peer, uint32_t class)
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char filename[PATH_MAX + 1], addr[18], str[9];
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create_filename(filename, PATH_MAX, local, "classes");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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sprintf(str, "0x%6.6x", class);
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return textfile_put(filename, addr, str);
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int read_remote_class(bdaddr_t *local, bdaddr_t *peer, uint32_t *class)
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char filename[PATH_MAX + 1], addr[18], *str;
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create_filename(filename, PATH_MAX, local, "classes");
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str = textfile_get(filename, addr);
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if (sscanf(str, "%x", class) != 1) {
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int write_device_name(bdaddr_t *local, bdaddr_t *peer, char *name)
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char filename[PATH_MAX + 1], addr[18], str[249];
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memset(str, 0, sizeof(str));
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for (i = 0; i < 248 && name[i]; i++)
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if ((unsigned char) name[i] < 32 || name[i] == 127)
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create_filename(filename, PATH_MAX, local, "names");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, addr, str);
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int read_device_name(const char *src, const char *dst, char *name)
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char filename[PATH_MAX + 1], *str;
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create_name(filename, PATH_MAX, STORAGEDIR, src, "names");
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str = textfile_get(filename, dst);
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int write_remote_eir(bdaddr_t *local, bdaddr_t *peer, uint8_t *data)
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char filename[PATH_MAX + 1], addr[18], str[481];
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memset(str, 0, sizeof(str));
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for (i = 0; i < 240; i++)
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sprintf(str + (i * 2), "%2.2X", data[i]);
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create_filename(filename, PATH_MAX, local, "eir");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, addr, str);
342
int write_l2cap_info(bdaddr_t *local, bdaddr_t *peer,
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uint16_t mtu_result, uint16_t mtu,
344
uint16_t mask_result, uint32_t mask)
346
char filename[PATH_MAX + 1], addr[18], str[18];
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snprintf(str, sizeof(str), "%d -1", mtu_result ? -1 : mtu);
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snprintf(str, sizeof(str), "%d 0x%08x", mtu_result ? -1 : mtu, mask);
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create_filename(filename, PATH_MAX, local, "l2cap");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, addr, str);
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int read_l2cap_info(bdaddr_t *local, bdaddr_t *peer,
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uint16_t *mtu_result, uint16_t *mtu,
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uint16_t *mask_result, uint32_t *mask)
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char filename[PATH_MAX + 1], addr[18], *str, *space, *msk;
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create_filename(filename, PATH_MAX, local, "l2cap");
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str = textfile_get(filename, addr);
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space = strchr(str, ' ');
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if (mtu_result && mtu) {
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*mtu_result = 0x0001;
388
*mtu = (uint16_t) strtol(str, NULL, 0);
392
if (mask_result && mask) {
394
*mask_result = 0x0001;
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*mask = (uint32_t) strtol(msk, NULL, 16);
406
int write_version_info(bdaddr_t *local, bdaddr_t *peer, uint16_t manufacturer,
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uint8_t lmp_ver, uint16_t lmp_subver)
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char filename[PATH_MAX + 1], addr[18], str[16];
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memset(str, 0, sizeof(str));
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sprintf(str, "%d %d %d", manufacturer, lmp_ver, lmp_subver);
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create_filename(filename, PATH_MAX, local, "manufacturers");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, addr, str);
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int write_features_info(bdaddr_t *local, bdaddr_t *peer, unsigned char *features)
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char filename[PATH_MAX + 1], addr[18], str[17];
427
memset(str, 0, sizeof(str));
428
for (i = 0; i < 8; i++)
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sprintf(str + (i * 2), "%2.2X", features[i]);
431
create_filename(filename, PATH_MAX, local, "features");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
436
return textfile_put(filename, addr, str);
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int write_lastseen_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm)
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char filename[PATH_MAX + 1], addr[18], str[24];
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memset(str, 0, sizeof(str));
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strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z", tm);
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create_filename(filename, PATH_MAX, local, "lastseen");
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create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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return textfile_put(filename, addr, str);
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int write_lastused_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm)
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char filename[PATH_MAX + 1], addr[18], str[24];
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memset(str, 0, sizeof(str));
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strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z", tm);
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create_filename(filename, PATH_MAX, local, "lastused");
463
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
466
return textfile_put(filename, addr, str);
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int write_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, uint8_t type, int length)
471
char filename[PATH_MAX + 1], addr[18], str[38];
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memset(str, 0, sizeof(str));
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for (i = 0; i < 16; i++)
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sprintf(str + (i * 2), "%2.2X", key[i]);
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sprintf(str + 32, " %d %d", type, length);
479
create_filename(filename, PATH_MAX, local, "linkkeys");
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create_file(filename, S_IRUSR | S_IWUSR);
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char *tmp = textfile_get(filename, addr);
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if (strlen(tmp) > 34)
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memcpy(str + 34, tmp + 34, 3);
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return textfile_put(filename, addr, str);
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int read_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, uint8_t *type)
499
char filename[PATH_MAX + 1], addr[18], tmp[3], *str;
502
create_filename(filename, PATH_MAX, local, "linkkeys");
505
str = textfile_get(filename, addr);
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memset(tmp, 0, sizeof(tmp));
510
for (i = 0; i < 16; i++) {
511
memcpy(tmp, str + (i * 2), 2);
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key[i] = (uint8_t) strtol(tmp, NULL, 16);
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memcpy(tmp, str + 33, 2);
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*type = (uint8_t) strtol(tmp, NULL, 10);
525
int read_pin_length(bdaddr_t *local, bdaddr_t *peer)
527
char filename[PATH_MAX + 1], addr[18], *str;
530
create_filename(filename, PATH_MAX, local, "linkkeys");
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str = textfile_get(filename, addr);
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if (strlen(str) < 36) {
542
len = atoi(str + 35);
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int read_pin_code(bdaddr_t *local, bdaddr_t *peer, char *pin)
551
char filename[PATH_MAX + 1], addr[18], *str;
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create_filename(filename, PATH_MAX, local, "pincodes");
557
str = textfile_get(filename, addr);
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strncpy(pin, str, 16);
569
static GSList *service_string_to_list(char *services)
572
char *start = services;
575
for (i = 0; !finished; i++) {
576
if (services[i] == '\0')
579
if (services[i] == ' ' || services[i] == '\0') {
581
l = g_slist_append(l, start);
582
start = services + i + 1;
589
static char *service_list_to_string(GSList *services)
597
memset(str, 0, sizeof(str));
601
char *ident = services->data;
603
ret = snprintf(str + len, sizeof(str) - len - 1, "%s%s",
604
ident, services->next ? " " : "");
609
services = services->next;
612
return g_strdup(str);
615
int write_trust(const char *src, const char *addr, const char *service,
618
char filename[PATH_MAX + 1], *str;
619
GSList *services = NULL, *match;
623
create_name(filename, PATH_MAX, STORAGEDIR, src, "trusts");
625
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
627
str = textfile_caseget(filename, addr);
629
services = service_string_to_list(str);
631
match = g_slist_find_custom(services, service, (GCompareFunc) strcmp);
632
trusted = match ? TRUE : FALSE;
634
/* If the old setting is the same as the requested one, we're done */
635
if (trusted == trust) {
636
g_slist_free(services);
643
services = g_slist_append(services, (void *) service);
645
services = g_slist_remove(services, match->data);
647
/* Remove the entry if the last trusted service was removed */
648
if (!trust && !services)
649
ret = textfile_casedel(filename, addr);
651
char *new_str = service_list_to_string(services);
652
ret = textfile_caseput(filename, addr, new_str);
656
g_slist_free(services);
664
gboolean read_trust(const bdaddr_t *local, const char *addr, const char *service)
666
char filename[PATH_MAX + 1], *str;
670
create_filename(filename, PATH_MAX, local, "trusts");
672
str = textfile_caseget(filename, addr);
676
services = service_string_to_list(str);
678
if (g_slist_find_custom(services, service, (GCompareFunc) strcmp))
683
g_slist_free(services);
694
static void append_trust(char *key, char *value, void *data)
696
struct trust_list *list = data;
698
if (strstr(value, list->service))
699
list->trusts = g_slist_append(list->trusts, g_strdup(key));
702
GSList *list_trusts(bdaddr_t *local, const char *service)
704
char filename[PATH_MAX + 1];
705
struct trust_list list;
707
create_filename(filename, PATH_MAX, local, "trusts");
710
list.service = service;
712
if (textfile_foreach(filename, append_trust, &list) < 0)
718
int write_device_profiles(bdaddr_t *src, bdaddr_t *dst, const char *profiles)
720
char filename[PATH_MAX + 1], addr[18];
725
create_filename(filename, PATH_MAX, src, "profiles");
727
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
730
return textfile_put(filename, addr, profiles);
733
int delete_entry(bdaddr_t *src, const char *storage, const char *key)
735
char filename[PATH_MAX + 1];
737
create_filename(filename, PATH_MAX, src, storage);
739
return textfile_del(filename, key);
742
int store_record(const gchar *src, const gchar *dst, sdp_record_t *rec)
744
char filename[PATH_MAX + 1], key[28];
749
create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
751
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
753
snprintf(key, sizeof(key), "%17s#%08X", dst, rec->handle);
755
if (sdp_gen_record_pdu(rec, &buf) < 0)
758
pdata = (char *)buf.data;
759
size = buf.data_size;
761
str = g_malloc0(size*2+1);
763
for (i = 0; i < size; i++)
764
sprintf(str + (i * 2), "%02X", buf.data[i]);
766
err = textfile_put(filename, key, str);
774
static sdp_record_t *record_from_string(const gchar *str)
781
size = strlen(str)/2;
782
pdata = g_malloc0(size);
785
for (i = 0; i < size; i++) {
786
memcpy(tmp, str + (i * 2), 2);
787
pdata[i] = (uint8_t) strtol(tmp, NULL, 16);
790
rec = sdp_extract_pdu(pdata, size, &len);
797
sdp_record_t *fetch_record(const gchar *src, const gchar *dst,
798
const uint32_t handle)
800
char filename[PATH_MAX + 1], key[28], *str;
803
create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
805
snprintf(key, sizeof(key), "%17s#%08X", dst, handle);
807
str = textfile_get(filename, key);
811
rec = record_from_string(str);
817
int delete_record(const gchar *src, const gchar *dst, const uint32_t handle)
819
char filename[PATH_MAX + 1], key[28];
821
create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
823
snprintf(key, sizeof(key), "%17s#%08X", dst, handle);
825
return textfile_del(filename, key);
833
static void create_stored_records_from_keys(char *key, char *value,
836
struct record_list *rec_list = user_data;
837
const gchar *addr = rec_list->addr;
840
if (strncmp(key, addr, 17))
843
rec = record_from_string(value);
845
rec_list->recs = sdp_list_append(rec_list->recs, rec);
848
sdp_list_t *read_records(const gchar *src, const gchar *dst)
850
char filename[PATH_MAX + 1];
851
struct record_list rec_list;
854
rec_list.recs = NULL;
856
create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
857
textfile_foreach(filename, create_stored_records_from_keys, &rec_list);
859
return rec_list.recs;
862
sdp_record_t *find_record_in_list(sdp_list_t *recs, const char *uuid)
866
for (seq = recs; seq; seq = seq->next) {
867
sdp_record_t *rec = (sdp_record_t *) seq->data;
868
sdp_list_t *svcclass = NULL;
871
if (sdp_get_service_classes(rec, &svcclass) < 0)
874
/* Extract the uuid */
875
uuid_str = bt_uuid2string(svcclass->data);
879
if (!strcasecmp(uuid_str, uuid)) {
880
sdp_list_free(svcclass, free);
885
sdp_list_free(svcclass, free);
891
int store_device_id(const gchar *src, const gchar *dst,
892
const uint16_t source, const uint16_t vendor,
893
const uint16_t product, const uint16_t version)
895
char filename[PATH_MAX + 1], str[20];
897
create_name(filename, PATH_MAX, STORAGEDIR, src, "did");
899
create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
901
snprintf(str, sizeof(str), "%04X %04X %04X %04X", source,
902
vendor, product, version);
904
return textfile_put(filename, dst, str);
907
static int read_device_id_from_did(const gchar *src, const gchar *dst,
908
uint16_t *source, uint16_t *vendor,
909
uint16_t *product, uint16_t *version)
911
char filename[PATH_MAX + 1];
912
char *str, *vendor_str, *product_str, *version_str;
914
create_name(filename, PATH_MAX, STORAGEDIR, src, "did");
916
str = textfile_get(filename, dst);
920
vendor_str = strchr(str, ' ');
927
product_str = strchr(vendor_str, ' ');
932
*(product_str++) = 0;
934
version_str = strchr(product_str, ' ');
939
*(version_str++) = 0;
942
*source = (uint16_t) strtol(str, NULL, 16);
944
*vendor = (uint16_t) strtol(vendor_str, NULL, 16);
946
*product = (uint16_t) strtol(product_str, NULL, 16);
948
*version = (uint16_t) strtol(version_str, NULL, 16);
955
int read_device_id(const gchar *src, const gchar *dst,
956
uint16_t *source, uint16_t *vendor,
957
uint16_t *product, uint16_t *version)
959
uint16_t lsource, lvendor, lproduct, lversion;
964
err = read_device_id_from_did(src, dst, &lsource,
965
vendor, product, version);
967
if (lsource == 0xffff)
973
recs = read_records(src, dst);
974
rec = find_record_in_list(recs, PNP_UUID);
979
pdlist = sdp_data_get(rec, SDP_ATTR_VENDOR_ID_SOURCE);
980
lsource = pdlist ? pdlist->val.uint16 : 0x0000;
982
pdlist = sdp_data_get(rec, SDP_ATTR_VENDOR_ID);
983
lvendor = pdlist ? pdlist->val.uint16 : 0x0000;
985
pdlist = sdp_data_get(rec, SDP_ATTR_PRODUCT_ID);
986
lproduct = pdlist ? pdlist->val.uint16 : 0x0000;
988
pdlist = sdp_data_get(rec, SDP_ATTR_VERSION);
989
lversion = pdlist ? pdlist->val.uint16 : 0x0000;
994
sdp_list_free(recs, (sdp_free_func_t)sdp_record_free);
997
/* FIXME: We should try EIR data if we have it, too */
999
/* If we don't have the data, we don't want to go
1000
through the above search every time. */
1007
store_device_id(src, dst, lsource, lvendor, lproduct, lversion);
1017
*product = lproduct;
1019
*version = lversion;