Initial revision

1 files changed, 272 insertions, 0 deletions

diff --git a/hcid/parser.y b/hcid/parser.y
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+++ b/hcid/parser.y
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+%{
+/* 
+	BlueZ - Bluetooth protocol stack for Linux
+	Copyright (C) 2000-2001 Qualcomm Incorporated
+
+	Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License version 2 as
+	published by the Free Software Foundation;
+
+	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+	IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY CLAIM,
+	OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER
+	RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+	NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+	USE OR PERFORMANCE OF THIS SOFTWARE.
+
+	ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS,
+	TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED.
+*/
+
+/*
+ * $Id$
+ */ 
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <stdarg.h>
+
+#include <sys/socket.h>
+#include <asm/types.h>
+
+#include <bluetooth.h>
+#include <hci.h>
+#include <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); 
+
+%}
+
+%union {
+	char *str;
+	long  num;
+}
+
+%token K_OPTIONS K_DEVICE
+%token K_AUTOINIT K_SECURITY
+%token K_PTYPE K_NAME K_CLASS K_LM K_LP K_AUTH K_ENCRYPT K_ISCAN K_PSCAN
+%token K_PINHELP
+%token K_YES K_NO
+
+%token <str> WORD PATH STRING LIST
+%token <num> NUM
+
+%type  <num> bool pkt_type link_mode link_policy sec_mode
+%type  <str> dev_name
+
+%%
+config: statement | config statement;
+statement: 
+  K_OPTIONS hcid_options
+ 
+  | K_DEVICE device_options
+
+  | WORD	{
+			cfg_error("Invalid statement '%s'", $1);
+		}
+  | error	{
+			yyclearin; yyerrok;
+		}
+  ;
+
+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_PINHELP  PATH	{
+				if (hcid.pin_helper)
+					free(hcid.pin_helper);
+				hcid.pin_helper = strdup($2);
+			}
+
+  | 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	{ 	$$ = HCID_SEC_NONE; 	}
+  ;
+
+device_options: '{' device_opts '}'
+device_opts: | device_opt ';' | error ';' | device_opts device_opt ';';
+device_opt:
+  K_PTYPE pkt_type	{
+				devi.pkt_type = $2;
+			}
+
+  | K_LM link_mode	{
+				devi.link_mode = $2;
+			}
+
+  | K_LP link_policy	{
+				devi.link_policy = $2;
+			}
+
+  | K_NAME dev_name	{  
+				if (devi.name)
+					free(devi.name);
+				devi.name = $2;
+			}
+
+  | K_CLASS NUM		{
+				devi.class = $2;
+			}
+
+  | K_AUTH bool		{
+				devi.auth = $2;
+			}
+
+  | K_ENCRYPT bool	{
+				devi.encrypt = $2;
+			}
+
+  | K_ISCAN bool	{
+				if ($2)
+					devi.scan |=  SCAN_INQUIRY;
+				else
+					devi.scan &= ~SCAN_INQUIRY;
+			}
+
+  | K_PSCAN bool	{
+				if ($2)
+					devi.scan |=  SCAN_PAGE;
+				else
+					devi.scan &= ~SCAN_PAGE;
+			}
+
+  | WORD		{
+				cfg_error("Unknown option '%s'",$1);
+				YYABORT;
+			}
+  ;
+
+dev_name:
+  WORD		{  
+			$$ = strdup($1);
+		}
+
+  |  STRING	{
+			$$ = strdup($1);
+		}
+  ;
+
+pkt_type:
+  WORD 	 	{
+			int opt;
+			if (!hci_strtoptype($1, &opt))
+				cfg_error("Unknown packet type '%s'", $1);
+			$$ = opt;
+		}
+
+  | LIST	{
+			int opt;
+			if (!hci_strtoptype($1, &opt))
+				cfg_error("Unknown packet type '%s'", $1);
+			$$ = opt;
+  		}
+  ;
+
+link_mode:
+  WORD 	 	{
+			int opt;
+			if (!hci_strtolm($1, &opt))
+				cfg_error("Unknown link mode '%s'", $1);
+			$$ = opt;
+		}
+
+  | LIST	{
+			int opt;
+			if (!hci_strtolm($1, &opt))
+				cfg_error("Unknown link mode '%s'", $1);
+			$$ = opt;
+  		}
+  ;
+
+link_policy:
+  WORD 	 	{
+			int opt;
+			if (!hci_strtolp($1, &opt))
+				cfg_error("Unknown link policy '%s'", $1);
+			$$ = opt;
+		}
+
+  | LIST	{
+			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) 
+{
+	syslog(LOG_ERR, "%s line %d\n", 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")) ){
+		syslog(LOG_ERR,"Can not open %s", file);
+		return -1;      
+	}
+
+	lineno = 1;
+	yyparse();
+
+	fclose(yyin);
+  
+	return 0;     
+}