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%{
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2002-2010 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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>
#include "kword.h"
int yylex(void);
int yyerror(char *s);
struct rfcomm_opts *opts;
%}
%union {
int number;
char *string;
bdaddr_t *bdaddr;
}
%token K_BIND K_DEVICE K_CHANNEL K_COMMENT
%token K_YES K_NO
%token <number> NUMBER RFCOMM
%token <string> STRING WORD
%token <bdaddr> BDADDR
%type <number> bool
%%
config :
| statement
| config statement
;
statement : section '{' rfcomm_options '}'
| rfcomm '{' rfcomm_options '}'
| WORD
{
}
| error
{
yyclearin;
yyerrok;
}
;
section : WORD
{
opts = NULL;
}
;
rfcomm : RFCOMM
{
if (($1 >= 0) && ($1 < RFCOMM_MAX_DEV))
opts = &rfcomm_opts[$1];
else
opts = NULL;
}
;
rfcomm_options : rfcomm_option ';'
| error ';'
| rfcomm_options rfcomm_option ';'
;
rfcomm_option : K_BIND bool
{
if (opts)
opts->bind = $2;
}
| K_DEVICE BDADDR
{
if (opts)
bacpy(&opts->bdaddr, $2);
}
| K_CHANNEL NUMBER
{
if (opts)
opts->channel = $2;
}
| K_COMMENT STRING
{
if (opts)
snprintf(opts->comment, MAXCOMMENTLEN, "%s", $2);
}
| WORD
{
// Unknown option
}
;
bool : K_YES { $$ = 1; }
| K_NO { $$ = 0; }
;
%%
int yyerror(char *s)
{
fprintf(stderr, "%s line %d\n", s, lineno);
return 0;
}
int rfcomm_read_config(char *filename)
{
extern FILE *yyin;
char file[MAXPATHLEN + 1];
int i;
for (i = 0; i < RFCOMM_MAX_DEV; i++) {
rfcomm_opts[i].bind = 0;
bacpy(&rfcomm_opts[i].bdaddr, BDADDR_ANY);
rfcomm_opts[i].channel = 1;
}
if (filename) {
snprintf(file, MAXPATHLEN, "%s", filename);
} else {
snprintf(file, MAXPATHLEN, "%s/.bluetooth/rfcomm.conf", getenv("HOME"));
if ((getuid() == 0) || (access(file, R_OK) < 0))
snprintf(file, MAXPATHLEN, "%s/rfcomm.conf", CONFIGDIR);
}
if (!(yyin = fopen(file, "r")))
return -1;
lineno = 1;
yyparse();
fclose(yyin);
return 0;
}
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