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https://git.kernel.org/pub/scm/bluetooth/bluez.git
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166 lines
2.9 KiB
Plaintext
166 lines
2.9 KiB
Plaintext
%{
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/*
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*
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* RFCOMM configuration utility
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*
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* Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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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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*
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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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*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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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/rfcomm.h>
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#include "kword.h"
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int yyparse(void);
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int yylex(void);
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int yyerror(char *s);
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struct rfcomm_opts *opts;
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%}
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%union {
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int number;
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char *string;
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bdaddr_t *bdaddr;
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}
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%token K_BIND K_DEVICE K_CHANNEL K_COMMENT
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%token K_YES K_NO
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%token <number> NUMBER RFCOMM
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%token <string> STRING WORD
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%token <bdaddr> BDADDR
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%type <number> bool
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%%
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config : statement | config statement
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;
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statement : section '{' rfcomm_options '}'
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| rfcomm '{' rfcomm_options '}'
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| WORD
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{
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}
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| error
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{
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yyclearin;
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yyerrok;
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}
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;
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section : WORD
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{
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opts = NULL;
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}
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;
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rfcomm : RFCOMM
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{
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if (($1 >= 0) && ($1 < RFCOMM_MAX_DEV))
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opts = &rfcomm_opts[$1];
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else
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opts = NULL;
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}
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;
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rfcomm_options : rfcomm_option ';'
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| error ';'
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| rfcomm_options rfcomm_option ';'
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;
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rfcomm_option : K_BIND bool
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{
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if (opts)
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opts->bind = $2;
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}
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| K_DEVICE BDADDR
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{
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if (opts)
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bacpy(&opts->bdaddr, $2);
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}
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| K_CHANNEL NUMBER
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{
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if (opts)
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opts->channel = $2;
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}
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| K_COMMENT STRING
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{
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if (opts)
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snprintf(opts->comment, MAXCOMMENTLEN, "%s", $2);
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}
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| WORD
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{
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// Unknown option
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}
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;
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bool : K_YES { $$ = 1; }
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| K_NO { $$ = 0; }
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;
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%%
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int yyerror(char *s)
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{
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fprintf(stderr, "%s line %d\n", s, lineno);
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return 0;
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}
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int rfcomm_read_config(char *filename)
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{
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extern FILE *yyin;
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char file[MAXPATHLEN + 1];
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int i;
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for (i = 0; i < RFCOMM_MAX_DEV; i++) {
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rfcomm_opts[i].bind = 0;
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bacpy(&rfcomm_opts[i].bdaddr, BDADDR_ANY);
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rfcomm_opts[i].channel = 1;
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}
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if (filename) {
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snprintf(file, MAXPATHLEN, "%s", filename);
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} else {
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snprintf(file, MAXPATHLEN, "%s/.bluetooth/rfcomm.conf", getenv("HOME"));
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if ((getuid() == 0) || (access(file, R_OK) < 0))
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snprintf(file, MAXPATHLEN, "/etc/bluetooth/rfcomm.conf");
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}
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if (!(yyin = fopen(file, "r")))
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return -1;
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lineno = 1;
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yyparse();
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fclose(yyin);
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return 0;
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}
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