radius_configure.c

vxworks下radius协议栈 的源代码

/* radius_configure.c */

/* Implementations of RADIUS server configuration, to read parameters from a 	*/
/* string and write them to a RADIUS server object inside of a RADIUS_CLASS 	*/
/* global structure.															*/

/* Copyright 1984 - 2000 Wind River Systems, Inc. */
#include "copyright_wrs.h"

/*
modification history
____________________
01b,19dec00,md  removed "RADIUS_AUTHENTICATION_AND_ACCOUNTING_SERVER" string
01a,19dec00,md  merged from visual source safe
*/

/************************************************************************/
/*	Copyright (C) 1993 - 1999 RouterWare, Inc.   								*/
/*	Unpublished - rights reserved under the Copyright Laws of the			*/
/*	United States.  Use, duplication, or disclosure by the 					*/
/*	Government is subject to restrictions as set forth in 					*/
/*	subparagraph (c)(1)(ii) of the Rights in Technical Data and 			*/
/*	Computer Software clause at 252.227-7013.										*/
/*	RouterWare, Inc., 3961 MacArthur Suite 212 Newport Beach, CA 92660	*/
/************************************************************************/
#include <stddef.h>
#include <string.h>
#include <stdio.h>
#include "radius.h"
#include <vnvrmstr.h>
#include "radius_configuration.h"
/****************************************************************************/
ULONG radius_get_configuration_table_address (void)
{
	return ((ULONG) &radius_configuration_table);
}
/****************************************************************************/
void radius_parse_server_configuration_string (char *cptr_string)
{
	char *cptr_current_token;
	ULONG tmp0;
	ULONG tmp1;
	ULONG tmp2;
	ULONG tmp3;
	UINT secret_length;
	
	/* Comma or space separated; Expected order: IP Address, port, server type, max_retransmit_count, retransmission_interval, secret 
	   e.g. 209.31.183.55, 1812, RADIUS_AUTHENTICATION_AND_ACCOUNTING_SERVER_TYPE, 5, 10 (in seconds) */
	
	cptr_current_token = strtok (cptr_string, ", ");
	
	if (cptr_current_token != NULL)
		{
		sscanf (cptr_current_token,"%03lu.%03lu.%03lu.%03lu", &tmp0, &tmp1, &tmp2, &tmp3);
		
		radius.server_info[radius.number_of_servers_configured].ip_address = convert_4_bytes_to_ulong ((BYTE) tmp3, (BYTE) tmp2, (BYTE) tmp1, (BYTE) tmp0);
		}

	cptr_current_token = strtok ((char *) '\0', ",; ");
	
	if (cptr_current_token != NULL)
		{
		radius.server_info[radius.number_of_servers_configured].port = (UINT) get_decimal_value (cptr_current_token);
		}
		
	cptr_current_token = strtok ((char *) '\0', ",; ");
	
	if (cptr_current_token != NULL)
		{
		if (strstr (cptr_current_token, "RADIUS_AUTHENTICATION_SERVER") != NULL)
			{
			radius.server_info[radius.number_of_servers_configured].type = RADIUS_AUTHENTICATION_SERVER_TYPE;
			}
		else if (strstr (cptr_current_token, "RADIUS_ACCOUNTING_SERVER") != NULL)
			{
			radius.server_info[radius.number_of_servers_configured].type = RADIUS_ACCOUNTING_SERVER_TYPE;
			}
		else
			{
			radius_printf (RADIUS_ALARM_PRINTF,"RADIUS: radius_parse_server_configuration_string: Illegal server type\r\n");
			
			return;
			}
		}
		
	cptr_current_token = strtok ((char *) '\0', ",; ");
	
	if (cptr_current_token != NULL)
		{
		radius.server_info[radius.number_of_servers_configured].max_retransmit_count = (UINT) get_decimal_value (cptr_current_token);
		}

	cptr_current_token = strtok ((char *) '\0', ",; ");
	
	if (cptr_current_token != NULL)
		{
		radius.server_info[radius.number_of_servers_configured].retransmission_interval = (UINT) get_decimal_value (cptr_current_token);
		}

	cptr_current_token = strtok ((char *) '\0', ",; ");
	
	if (cptr_current_token != NULL)
		{
		secret_length = strlen (cptr_current_token);
		
		if (secret_length > RADIUS_MAX_SECRET_LENGTH)
			{
			radius_printf (RADIUS_ALARM_PRINTF,"RADIUS: radius_parse_server_configuration_string: Secret length exceeds maximum allowed; return FAIL\r\n");
			
			secret_length = 0; /* this will result in configuration failure in radius_copy_configured_server_information() */
			
			return;
			}
			
		memcpy (&radius.server_info[radius.number_of_servers_configured].secret[0], cptr_current_token, secret_length);
		}
	else
		{
		radius_printf (RADIUS_ALARM_PRINTF,"RADIUS: radius_parse_server_configuration_string: Insufficient number of fields\r\n");
		}
	
	++radius.number_of_servers_configured;	
}