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bluez/hcid/parser.y
Marcel Holtmann 607695ed10 Update copyright information
2007-01-13 17:48:12 +00:00

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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) 2002-2007 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/socket.h>
#include <asm/types.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include "hcid.h"
#include "kword.h"
int cfg_error(const char *fmt, ...);
int yyparse(void);
int yylex(void);
int yyerror(char *s);
void yylex_destroy(void);
%}
%union {
char *str;
long num;
}
%token K_OPTIONS K_DEVICE
%token K_AUTOINIT K_SECURITY K_PAIRING K_OFFMODE
%token K_PTYPE K_NAME K_CLASS K_VOICE K_PAGETO K_LM K_LP K_ISCAN K_PSCAN K_DISCOVTO
%token K_PASSKEY
%token K_YES K_NO
%token <str> WORD PATH STRING LIST HCI BDADDR
%token <num> NUM
%type <num> bool pkt_type link_mode link_policy sec_mode pair_mode off_mode
%type <str> dev_name hci bdaddr
%%
config: statement | config statement;
statement:
K_OPTIONS hcid_options
| device device_options
| WORD {
cfg_error("Invalid statement '%s'", $1);
}
| error {
yyclearin; yyerrok;
}
;
device:
K_DEVICE {
parser_device = &default_device;
}
| K_DEVICE hci {
parser_device = alloc_device_opts($2);
}
| K_DEVICE bdaddr {
parser_device = alloc_device_opts($2);
}
;
hcid_options: '{' hcid_opts '}';
hcid_opts: | hcid_opt ';' | error ';' | hcid_opts hcid_opt ';';
hcid_opt:
K_AUTOINIT bool {
hcid.auto_init = $2;
}
| K_SECURITY sec_mode {
hcid.security = $2;
}
| K_PAIRING pair_mode {
hcid.pairing = $2;
}
| K_OFFMODE off_mode {
hcid.offmode = $2;
}
| K_PASSKEY STRING {
strncpy((char *) hcid.pin_code, $2, 16);
hcid.pin_len = strlen($2);
if (hcid.pin_len > 16)
hcid.pin_len = 16;
}
| WORD {
cfg_error("Unknown option '%s'", $1);
}
;
sec_mode:
WORD {
int opt = find_keyword(sec_param, $1);
if (opt < 0) {
cfg_error("Unknown security mode '%s'", $1);
$$ = 0;
} else
$$ = opt;
}
| K_NO {
$$ = HCID_SEC_NONE;
}
;
pair_mode:
WORD {
int opt = find_keyword(pair_param, $1);
if (opt < 0) {
cfg_error("Unknown pairing mode '%s'", $1);
$$ = 0;
} else
$$ = opt;
}
;
off_mode:
WORD {
int opt = find_keyword(off_param, $1);
if (opt < 0) {
cfg_error("Unknown off mode '%s'", $1);
$$ = 0;
} else
$$ = opt;
}
;
device_options: '{' device_opts '}';
device_opts: | device_opt ';' | error ';' | device_opts device_opt ';';
device_opt:
K_PTYPE pkt_type {
parser_device->flags |= (1 << HCID_SET_PTYPE);
parser_device->pkt_type = $2;
}
| K_LM link_mode {
parser_device->flags |= (1 << HCID_SET_LM);
parser_device->link_mode = $2;
}
| K_LP link_policy {
parser_device->flags |= (1 << HCID_SET_LP);
parser_device->link_policy = $2;
}
| K_NAME dev_name {
if (parser_device->name)
free(parser_device->name);
parser_device->flags |= (1 << HCID_SET_NAME);
parser_device->name = strdup($2);
}
| K_CLASS NUM {
parser_device->flags |= (1 << HCID_SET_CLASS);
parser_device->class = $2;
}
| K_VOICE NUM {
parser_device->flags |= (1 << HCID_SET_VOICE);
parser_device->voice = $2;
}
| K_PAGETO NUM {
parser_device->flags |= (1 << HCID_SET_PAGETO);
parser_device->pageto = $2;
}
| K_DISCOVTO NUM {
parser_device->flags |= (1 << HCID_SET_DISCOVTO);
parser_device->discovto = $2;
}
| K_ISCAN bool {
if ($2)
parser_device->scan |= SCAN_INQUIRY;
else
parser_device->scan &= ~SCAN_INQUIRY;
}
| K_PSCAN bool {
if ($2)
parser_device->scan |= SCAN_PAGE;
else
parser_device->scan &= ~SCAN_PAGE;
}
| WORD {
cfg_error("Unknown option '%s'",$1);
YYABORT;
}
;
dev_name:
WORD {
$$ = $1;
}
| STRING {
$$ = $1;
}
;
hci:
HCI {
$$ = $1;
}
;
bdaddr:
BDADDR {
$$ = $1;
}
;
pkt_type:
WORD {
unsigned int opt;
if (!hci_strtoptype($1, &opt))
cfg_error("Unknown packet type '%s'", $1);
$$ = opt;
}
| LIST {
unsigned int opt;
if (!hci_strtoptype($1, &opt))
cfg_error("Unknown packet type '%s'", $1);
$$ = opt;
}
;
link_mode:
WORD {
unsigned int opt;
if (!hci_strtolm($1, &opt))
cfg_error("Unknown link mode '%s'", $1);
$$ = opt;
}
| LIST {
unsigned int opt;
if (!hci_strtolm($1, &opt))
cfg_error("Unknown link mode '%s'", $1);
$$ = opt;
}
;
link_policy:
WORD {
unsigned int opt;
if (!hci_strtolp($1, &opt))
cfg_error("Unknown link policy '%s'", $1);
$$ = opt;
}
| LIST {
unsigned int opt;
if (!hci_strtolp($1, &opt))
cfg_error("Unknown link policy '%s'", $1);
$$ = opt;
}
;
bool: K_YES { $$ = 1; } | K_NO { $$ = 0; };
%%
int yyerror(char *s)
{
error("%s line %d", s, lineno);
return 0;
}
int cfg_error(const char *fmt, ...)
{
char buf[255];
va_list ap;
va_start(ap, fmt);
vsnprintf(buf,sizeof(buf),fmt,ap);
va_end(ap);
yyerror(buf);
return 0;
}
/*
* Read config file.
*/
int read_config(char *file)
{
extern FILE *yyin;
if (!(yyin = fopen(file, "r"))) {
error("Can't open config file %s", file);
return -1;
}
lineno = 1;
yyparse();
fclose(yyin);
return 0;
}
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