oidcalc.c

来自「支持SSL v2/v3, TLS, PKCS #5, PKCS #7, PKCS」· C语言 代码 · 共 118 行

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is the Netscape security libraries.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are 
 * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
 * Rights Reserved.
 * 
 * Contributor(s):
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL"), in which case the provisions of the GPL are applicable 
 * instead of those above.  If you wish to allow use of your 
 * version of this file only under the terms of the GPL and not to
 * allow others to use your version of this file under the MPL,
 * indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by
 * the GPL.  If you do not delete the provisions above, a recipient
 * may use your version of this file under either the MPL or the
 * GPL.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int
main(int argc, char **argv)
{
    char *curstr;
    char *nextstr;
    unsigned int firstval;
    unsigned int secondval;
    unsigned int val;
    unsigned char buf[5];
    int count;
    
    if ( argc != 2 ) {
	fprintf(stderr, "wrong number of args\n");
	exit(-1);
    }
    
    curstr = argv[1];
    
    nextstr = strchr(curstr, '.');
    
    if ( nextstr == NULL ) {
	fprintf(stderr, "only one component\n");
	exit(-1);
    }
    
    *nextstr = '\0';
    firstval = atoi(curstr);

    curstr = nextstr + 1;
    
    nextstr = strchr(curstr, '.');

    if ( nextstr ) {
	*nextstr = '\0';
    }

    secondval = atoi(curstr);
    
    if ( ( firstval < 0 ) || ( firstval > 2 ) ) {
	fprintf(stderr, "first component out of range\n");
	exit(-1);
	
    }
    
    if ( ( secondval < 0 ) || ( secondval > 39 ) ) {
	fprintf(stderr, "second component out of range\n");
	exit(-1);
    }
    
    printf("0x%x, ", ( firstval * 40 ) + secondval );
    while ( nextstr ) {
	curstr = nextstr + 1;

	nextstr = strchr(curstr, '.');

	if ( nextstr ) {
	    *nextstr = '\0';
	}

	memset(buf, 0, sizeof(buf));
	val = atoi(curstr);
	count = 0;
	while ( val ) {
	    buf[count] = ( val & 0x7f );
	    val = val >> 7;
	    count++;
	}

	while ( count-- ) {
	    if ( count ) {
		printf("0x%x, ", buf[count] | 0x80 );
	    } else {
		printf("0x%x, ", buf[count] );
	    }
	}
    }
    printf("\n");
    return 0;
}