diff options
Diffstat (limited to 'usr.sbin/bluetooth/hcsecd/parser.y')
| -rw-r--r-- | usr.sbin/bluetooth/hcsecd/parser.y | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/usr.sbin/bluetooth/hcsecd/parser.y b/usr.sbin/bluetooth/hcsecd/parser.y deleted file mode 100644 index 385bff2..0000000 --- a/usr.sbin/bluetooth/hcsecd/parser.y +++ /dev/null @@ -1,433 +0,0 @@ -%{ -/* - * parser.y - * - * Copyright (c) 2001-2002 Maksim Yevmenkin <m_evmenkin@yahoo.com> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id: parser.y,v 1.5 2003/06/07 21:22:30 max Exp $ - * $FreeBSD$ - */ - -#include <sys/fcntl.h> -#include <sys/queue.h> -#include <bluetooth.h> -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <stdarg.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> -#include "hcsecd.h" - - int yyparse (void); - int yylex (void); - -static void free_key (link_key_p key); -static int hexa2int4(char *a); -static int hexa2int8(char *a); - -extern int yylineno; -static LIST_HEAD(, link_key) link_keys; - char *config_file = "/etc/bluetooth/hcsecd.conf"; - -static link_key_p key = NULL; -%} - -%union { - char *string; -} - -%token <string> T_BDADDRSTRING T_HEXSTRING T_STRING -%token T_DEVICE T_BDADDR T_NAME T_KEY T_PIN T_NOKEY T_NOPIN T_JUNK - -%% - -config: line - | config line - ; - -line: T_DEVICE - { - key = (link_key_p) malloc(sizeof(*key)); - if (key == NULL) { - syslog(LOG_ERR, "Could not allocate new " \ - "config entry"); - exit(1); - } - - memset(key, 0, sizeof(*key)); - } - '{' options '}' - { - if (get_key(&key->bdaddr, 1) != NULL) { - syslog(LOG_ERR, "Ignoring duplicated entry " \ - "for bdaddr %s", - bt_ntoa(&key->bdaddr, NULL)); - free_key(key); - } else - LIST_INSERT_HEAD(&link_keys, key, next); - - key = NULL; - } - ; - -options: option ';' - | options option ';' - ; - -option: bdaddr - | name - | key - | pin - ; - -bdaddr: T_BDADDR T_BDADDRSTRING - { - if (!bt_aton($2, &key->bdaddr)) { - syslog(LOG_ERR, "Cound not parse BD_ADDR " \ - "'%s'", $2); - exit(1); - } - } - ; - -name: T_NAME T_STRING - { - if (key->name != NULL) - free(key->name); - - key->name = strdup($2); - if (key->name == NULL) { - syslog(LOG_ERR, "Could not allocate new " \ - "device name"); - exit(1); - } - } - ; - -key: T_KEY T_HEXSTRING - { - int i, len; - - if (key->key != NULL) - free(key->key); - - key->key = (uint8_t *) malloc(NG_HCI_KEY_SIZE); - if (key->key == NULL) { - syslog(LOG_ERR, "Could not allocate new " \ - "link key"); - exit(1); - } - - memset(key->key, 0, NG_HCI_KEY_SIZE); - - len = strlen($2) / 2; - if (len > NG_HCI_KEY_SIZE) - len = NG_HCI_KEY_SIZE; - - for (i = 0; i < len; i ++) - key->key[i] = hexa2int8((char *)($2) + 2*i); - } - | T_KEY T_NOKEY - { - if (key->key != NULL) - free(key->key); - - key->key = NULL; - } - ; - -pin: T_PIN T_STRING - { - if (key->pin != NULL) - free(key->pin); - - key->pin = strdup($2); - if (key->pin == NULL) { - syslog(LOG_ERR, "Could not allocate new " \ - "PIN code"); - exit(1); - } - } - | T_PIN T_NOPIN - { - if (key->pin != NULL) - free(key->pin); - - key->pin = NULL; - } - ; - -%% - -/* Display parser error message */ -void -yyerror(char const *message) -{ - syslog(LOG_ERR, "%s in line %d", message, yylineno); -} - -/* Re-read config file */ -void -read_config_file(void) -{ - extern FILE *yyin; - - if (config_file == NULL) { - syslog(LOG_ERR, "Unknown config file name!"); - exit(1); - } - - if ((yyin = fopen(config_file, "r")) == NULL) { - syslog(LOG_ERR, "Could not open config file '%s'. %s (%d)", - config_file, strerror(errno), errno); - exit(1); - } - - clean_config(); - if (yyparse() < 0) { - syslog(LOG_ERR, "Could not parse config file '%s'",config_file); - exit(1); - } - - fclose(yyin); - yyin = NULL; - -#if __config_debug__ - dump_config(); -#endif -} - -/* Clean config */ -void -clean_config(void) -{ - link_key_p key = NULL; - - while ((key = LIST_FIRST(&link_keys)) != NULL) { - LIST_REMOVE(key, next); - free_key(key); - } -} - -/* Find link key entry in the list. Return exact or default match */ -link_key_p -get_key(bdaddr_p bdaddr, int exact_match) -{ - link_key_p key = NULL, defkey = NULL; - - LIST_FOREACH(key, &link_keys, next) { - if (memcmp(bdaddr, &key->bdaddr, sizeof(key->bdaddr)) == 0) - break; - - if (!exact_match) - if (memcmp(NG_HCI_BDADDR_ANY, &key->bdaddr, - sizeof(key->bdaddr)) == 0) - defkey = key; - } - - return ((key != NULL)? key : defkey); -} - -#if __config_debug__ -/* Dump config */ -void -dump_config(void) -{ - link_key_p key = NULL; - char buffer[64]; - - LIST_FOREACH(key, &link_keys, next) { - if (key->key != NULL) - snprintf(buffer, sizeof(buffer), -"0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x", - key->key[0], key->key[1], key->key[2], - key->key[3], key->key[4], key->key[5], - key->key[6], key->key[7], key->key[8], - key->key[9], key->key[10], key->key[11], - key->key[12], key->key[13], key->key[14], - key->key[15]); - - syslog(LOG_DEBUG, -"device %s " \ -"bdaddr %s " \ -"pin %s " \ -"key %s", - (key->name != NULL)? key->name : "noname", - bt_ntoa(&key->bdaddr, NULL), - (key->pin != NULL)? key->pin : "nopin", - (key->key != NULL)? buffer : "nokey"); - } -} -#endif - -/* Read keys file */ -int -read_keys_file(void) -{ - FILE *f = NULL; - link_key_t *key = NULL; - char buf[HCSECD_BUFFER_SIZE], *p = NULL, *cp = NULL; - bdaddr_t bdaddr; - int i, len; - - if ((f = fopen(HCSECD_KEYSFILE, "r")) == NULL) { - if (errno == ENOENT) - return (0); - - syslog(LOG_ERR, "Could not open keys file %s. %s (%d)\n", - HCSECD_KEYSFILE, strerror(errno), errno); - - return (-1); - } - - while ((p = fgets(buf, sizeof(buf), f)) != NULL) { - if (*p == '#') - continue; - if ((cp = strpbrk(p, " ")) == NULL) - continue; - - *cp++ = '\0'; - - if (!bt_aton(p, &bdaddr)) - continue; - - if ((key = get_key(&bdaddr, 1)) == NULL) - continue; - - if (key->key == NULL) { - key->key = (uint8_t *) malloc(NG_HCI_KEY_SIZE); - if (key->key == NULL) { - syslog(LOG_ERR, "Could not allocate link key"); - exit(1); - } - } - - memset(key->key, 0, NG_HCI_KEY_SIZE); - - len = strlen(cp) / 2; - if (len > NG_HCI_KEY_SIZE) - len = NG_HCI_KEY_SIZE; - - for (i = 0; i < len; i ++) - key->key[i] = hexa2int8(cp + 2*i); - - syslog(LOG_DEBUG, "Restored link key for the entry, " \ - "remote bdaddr %s, name '%s'", - bt_ntoa(&key->bdaddr, NULL), - (key->name != NULL)? key->name : "No name"); - } - - fclose(f); - - return (0); -} - -/* Dump keys file */ -int -dump_keys_file(void) -{ - link_key_p key = NULL; - char tmp[PATH_MAX], buf[HCSECD_BUFFER_SIZE]; - int f; - - snprintf(tmp, sizeof(tmp), "%s.tmp", HCSECD_KEYSFILE); - if ((f = open(tmp, O_RDWR|O_CREAT|O_TRUNC|O_EXCL, 0600)) < 0) { - syslog(LOG_ERR, "Could not create temp keys file %s. %s (%d)\n", - tmp, strerror(errno), errno); - return (-1); - } - - LIST_FOREACH(key, &link_keys, next) { - if (key->key == NULL) - continue; - - snprintf(buf, sizeof(buf), -"%s %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", - bt_ntoa(&key->bdaddr, NULL), - key->key[0], key->key[1], key->key[2], key->key[3], - key->key[4], key->key[5], key->key[6], key->key[7], - key->key[8], key->key[9], key->key[10], key->key[11], - key->key[12], key->key[13], key->key[14], key->key[15]); - - if (write(f, buf, strlen(buf)) < 0) { - syslog(LOG_ERR, "Could not write temp keys file. " \ - "%s (%d)\n", strerror(errno), errno); - break; - } - } - - close(f); - - if (rename(tmp, HCSECD_KEYSFILE) < 0) { - syslog(LOG_ERR, "Could not rename(%s, %s). %s (%d)\n", - tmp, HCSECD_KEYSFILE, strerror(errno), errno); - unlink(tmp); - return (-1); - } - - return (0); -} - -/* Free key entry */ -static void -free_key(link_key_p key) -{ - if (key->name != NULL) - free(key->name); - if (key->key != NULL) - free(key->key); - if (key->pin != NULL) - free(key->pin); - - memset(key, 0, sizeof(*key)); - free(key); -} - -/* Convert hex ASCII to int4 */ -static int -hexa2int4(char *a) -{ - if ('0' <= *a && *a <= '9') - return (*a - '0'); - - if ('A' <= *a && *a <= 'F') - return (*a - 'A' + 0xa); - - if ('a' <= *a && *a <= 'f') - return (*a - 'a' + 0xa); - - syslog(LOG_ERR, "Invalid hex character: '%c' (%#x)", *a, *a); - exit(1); -} - -/* Convert hex ASCII to int8 */ -static int -hexa2int8(char *a) -{ - return ((hexa2int4(a) << 4) | hexa2int4(a + 1)); -} - |
