pppcfgar.c

这是全套的PPP协议的源码

/* pppcfgar.c - configuration parameter: alternate and range value processor */

/* Copyright 1999 Wind River Systems, Inc. */

#include "copyright_wrs.h"

/*
modification history
--------------------
01b,04feb02	vk 	Modified range and alternate value proceesing functions as part of 
				memory reduction process
01a,30,sj 	derived from Routerware source base
*/
/*
*$Log:: /Rtrware/devdrvrs/ppp/pppcfga $
 * 
 * 7     10/01/98 11:43a Alex
 * Updated the PPP source code to conform
 * to a single build. 
 * 
 * 6     4/30/98 3:03p Alex
 * Ppp v4.2.0 check in
 * 
 * 1     4/24/98 12:10a Release Engineer
 * code cleanup, code style changes,
 * linted, system level test
 * PPP v4.2.0
*/

#include "vxWorks.h"
#include "stddef.h"
#include "stdio.h"
#include "ctype.h"
#include "string.h"
#include "stdlib.h"
#include "ppp/kstart.h"
#include "ppp/kppp.h"
#include "private/ppp/vpppstr.h"
#include "private/ppp/pppoptn.h"

LOCAL char *parse_alternate_ppp_option_line (char *cptr_option_string,
				     char *cptr_return_ncp_name,
				     char *cptr_return_option_name,
				     BYTE *bptr_return_option_number,
				     char *cptr_value_type_string,
				     char *cptr_value_string,
				     BYTE *bptr_number_of_parameters_processed);
LOCAL char *parse_range_ppp_option_line (char *cptr_option_string,
				    char *cptr_return_ncp_name,
				    char *cptr_return_option_name,
				    BYTE *bptr_return_option_number,
				    char *cptr_value_type_string,
				    char *cptr_value_string_low,
				    char *cptr_value_string_high,
				    char *cptr_value_string_step,
				    BYTE *bptr_number_of_parameters_processed);

/*************************************************************************/
/*	PPP Port Option = 00,IPCP,IP Address,3,Alternate,IP,128.1.60.2   */
/*************************************************************************/

/*******************************************************************************
* get_alternate_option_values
*/
TEST get_alternate_option_values
    (
    char *cptr_option_string,
    char *cptr_return_ncp_name,
    char *cptr_return_option_name,
    BYTE *bptr_return_option_number,
    BYTE *bptr_return_data,
    BYTE *bptr_return_length,
    BOOLEAN *eptr_return_value_swapped
    )
    {
    char value_type_string[12];
    char value_string[80];
    BYTE number_of_fields_scanned;
    char *cptr_value = NULL; 

	bzero (value_type_string, sizeof (value_type_string));
	bzero (value_string, sizeof (value_string));

    number_of_fields_scanned = 0x00;

    cptr_value = parse_alternate_ppp_option_line (cptr_option_string,
				cptr_return_ncp_name,cptr_return_option_name,
				bptr_return_option_number,value_type_string,
				value_string,&number_of_fields_scanned);

    if (number_of_fields_scanned != 6)
	{
	printf("Illegal Number of PPP Options %02x Entered %s!!!\r\n",
		    number_of_fields_scanned,cptr_option_string);

	return (FAIL);
	}

    get_option_value (&value_type_string[0],&value_string[0],bptr_return_data,
			bptr_return_length,eptr_return_value_swapped);

    return (PASS);
    }

/*******************************************************************************
* parse_alternate_ppp_option_line -
*/
LOCAL char *parse_alternate_ppp_option_line 
    (
    char *cptr_option_string,
    char *cptr_return_ncp_name,
    char *cptr_return_option_name,
    BYTE *bptr_return_option_number,
    char *cptr_value_type_string,
    char *cptr_value_string,
    BYTE *bptr_number_of_parameters_processed
    )
    {
    char *cptr_parameter = NULL; 
    char option_number_string[4];
    ULONG option_number = 0; 
    char * holder = NULL;
    char alternate_string[14];

    bzero (option_number_string, sizeof (option_number_string));
	bzero (alternate_string, sizeof (alternate_string));
	*bptr_number_of_parameters_processed = 0;

    cptr_parameter = strtok_r (cptr_option_string,",\n",&holder);

    cptr_parameter = copy_parameter (cptr_return_ncp_name,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (cptr_return_option_name,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (&option_number_string[0],cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (&alternate_string[0],cptr_parameter,
				&holder,bptr_number_of_parameters_processed);

    cptr_parameter = copy_parameter (cptr_value_type_string,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    copy_parameter (cptr_value_string,cptr_parameter,&holder,
		    bptr_number_of_parameters_processed);

    sscanf (option_number_string,"%ld",&option_number);
    *bptr_return_option_number = (BYTE) option_number;

    return (cptr_parameter);
    }
/***********************************************************************/
/* PPP Port Remote Option = 00,IPCP IP Address,3,Range,IP,128.1.60.2,
						    128.1.60.3,0.0.0.1 */
/***********************************************************************/

/*******************************************************************************
* get_range_option_values - 
*/
TEST get_range_option_values
    (
    char *cptr_option_string,
    char *cptr_return_ncp_name,
    char *cptr_return_option_name,
    BYTE *bptr_return_option_number,
    BYTE *bptr_return_data,
    BYTE *bptr_return_length,
    BOOLEAN *eptr_return_value_swapped
    )
    {
    char value_type_string[12];
    char value_string_low[80];
    char value_string_high[80];
    char value_string_step[80];
    char *cptr_value = NULL;
    BYTE number_of_fields_scanned;

    bzero (value_type_string, sizeof (value_type_string));	
    bzero (value_string_low, sizeof (value_string_low));
    bzero (value_string_high, sizeof (value_string_high));
    bzero (value_string_step, sizeof (value_string_step));

    number_of_fields_scanned = 0x00;

    cptr_value = parse_range_ppp_option_line (cptr_option_string,
				cptr_return_ncp_name,cptr_return_option_name,
				bptr_return_option_number,value_type_string,
				value_string_low,value_string_high,
				value_string_step,&number_of_fields_scanned);

    if (number_of_fields_scanned != 8)
	{
	printf("Illegal Number of PPP Options %02x Entered %s!!!\r\n",
		number_of_fields_scanned, cptr_option_string);

	return (FAIL);
	}

    get_option_value (&value_type_string[0],&value_string_low[0],
		bptr_return_data,bptr_return_length,eptr_return_value_swapped);

    bptr_return_data = (BYTE *) (bptr_return_data + *bptr_return_length);

    get_option_value (&value_type_string[0],&value_string_high[0],
		bptr_return_data,bptr_return_length,eptr_return_value_swapped);
	
    bptr_return_data = (BYTE *) (bptr_return_data + *bptr_return_length);


    get_option_value (&value_type_string[0],&value_string_step[0],
		bptr_return_data,bptr_return_length,eptr_return_value_swapped);

    *bptr_return_length = (BYTE) (*bptr_return_length * 3);

    return (PASS);
    }
/*******************************************************************************
* parse_range_ppp_option_line -
*/
LOCAL char *parse_range_ppp_option_line
    (
    char *cptr_option_string,
    char *cptr_return_ncp_name,
    char *cptr_return_option_name,
    BYTE *bptr_return_option_number,
    char *cptr_value_type_string,
    char *cptr_value_string_low,
    char *cptr_value_string_high,
    char *cptr_value_string_step,
    BYTE *bptr_number_of_parameters_processed
    )
    {
    char *cptr_parameter = NULL;
    char option_number_string[4];
    ULONG option_number = 0;
    char * holder = NULL;
    char alternate_string[14];

	bzero (option_number_string, sizeof (option_number_string));
	bzero (alternate_string, sizeof (alternate_string));

    cptr_parameter = strtok_r (cptr_option_string,",\n",&holder);

    cptr_parameter = copy_parameter (cptr_return_ncp_name,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (cptr_return_option_name,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (&option_number_string[0],cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (&alternate_string[0],cptr_parameter,
				&holder,bptr_number_of_parameters_processed);

    cptr_parameter = copy_parameter (cptr_value_type_string,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (cptr_value_string_low,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    cptr_parameter = copy_parameter (cptr_value_string_high,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);
    copy_parameter (cptr_value_string_step,cptr_parameter,
				&holder,bptr_number_of_parameters_processed);

    sscanf (option_number_string,"%ld",&option_number);
    *bptr_return_option_number = (BYTE) option_number;

    return (cptr_parameter);
    }