1 %{
2 /*
3 *
4 * BlueZ - Bluetooth protocol stack for Linux
5 *
6 * Copyright (C) 2002-2010 Marcel Holtmann <marcel@holtmann.org>
7 *
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 *
23 */
24
25 #ifdef HAVE_CONFIG_H
26 #include <config.h>
27 #endif
28
29 #include <stdio.h>
30 #include <errno.h>
31 #include <unistd.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <sys/param.h>
35 #include <sys/socket.h>
36
37 #include <bluetooth/bluetooth.h>
38 #include <bluetooth/rfcomm.h>
39
40 #include "kword.h"
41
42 int yylex(void);
43 int yyerror(char *s);
44
45 struct rfcomm_opts *opts;
46
47 %}
48
49 %union {
50 int number;
51 char *string;
52 bdaddr_t *bdaddr;
53 }
54
55 %token K_BIND K_DEVICE K_CHANNEL K_COMMENT
56 %token K_YES K_NO
57
58 %token <number> NUMBER RFCOMM
59 %token <string> STRING WORD
60 %token <bdaddr> BDADDR
61
62 %type <number> bool
63
64 %%
65
66 config :
67 | statement
68 | config statement
69 ;
70
71 statement : section '{' rfcomm_options '}'
72 | rfcomm '{' rfcomm_options '}'
73 | WORD
74 {
75 }
76 | error
77 {
78 yyclearin;
79 yyerrok;
80 }
81 ;
82
83 section : WORD
84 {
85 opts = NULL;
86 }
87 ;
88
89 rfcomm : RFCOMM
90 {
91 if (($1 >= 0) && ($1 < RFCOMM_MAX_DEV))
92 opts = &rfcomm_opts[$1];
93 else
94 opts = NULL;
95 }
96 ;
97
98 rfcomm_options : rfcomm_option ';'
99 | error ';'
100 | rfcomm_options rfcomm_option ';'
101 ;
102
103 rfcomm_option : K_BIND bool
104 {
105 if (opts)
106 opts->bind = $2;
107 }
108 | K_DEVICE BDADDR
109 {
110 if (opts)
111 bacpy(&opts->bdaddr, $2);
112 }
113 | K_CHANNEL NUMBER
114 {
115 if (opts)
116 opts->channel = $2;
117 }
118 | K_COMMENT STRING
119 {
120 if (opts)
121 snprintf(opts->comment, MAXCOMMENTLEN, "%s", $2);
122 }
123 | WORD
124 {
125 // Unknown option
126 }
127 ;
128
129 bool : K_YES { $$ = 1; }
130 | K_NO { $$ = 0; }
131 ;
132
133 %%
134
135 int yyerror(char *s)
136 {
137 fprintf(stderr, "%s line %d\n", s, lineno);
138 return 0;
139 }
140
rfcomm_read_config(char * filename)141 int rfcomm_read_config(char *filename)
142 {
143 extern FILE *yyin;
144 char file[MAXPATHLEN + 1];
145 int i;
146
147 for (i = 0; i < RFCOMM_MAX_DEV; i++) {
148 rfcomm_opts[i].bind = 0;
149 bacpy(&rfcomm_opts[i].bdaddr, BDADDR_ANY);
150 rfcomm_opts[i].channel = 1;
151 }
152
153 if (filename) {
154 snprintf(file, MAXPATHLEN, "%s", filename);
155 } else {
156 snprintf(file, MAXPATHLEN, "%s/.bluetooth/rfcomm.conf", getenv("HOME"));
157
158 if ((getuid() == 0) || (access(file, R_OK) < 0))
159 snprintf(file, MAXPATHLEN, "%s/rfcomm.conf", CONFIGDIR);
160 }
161
162 if (!(yyin = fopen(file, "r")))
163 return -1;
164
165 lineno = 1;
166 yyparse();
167
168 fclose(yyin);
169
170 return 0;
171 }
172