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Current File : //usr/src/crypto/heimdal/kdc/v4_dump.c

/*
 * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include "hprop.h"

RCSID("$Id: v4_dump.c 17023 2006-04-09 17:41:47Z lha $");

static time_t
time_parse(const char *cp)
{
    char wbuf[5];
    struct tm tp;
    int local;

    memset(&tp, 0, sizeof(tp));	/* clear out the struct */
    
    /* new format is YYYYMMDDHHMM UTC,
       old format is YYMMDDHHMM local time */
    if (strlen(cp) > 10) {		/* new format */
	strlcpy(wbuf, cp, sizeof(wbuf));
	tp.tm_year = atoi(wbuf) - 1900;
	cp += 4;
	local = 0;
    } else {
	wbuf[0] = *cp++;
	wbuf[1] = *cp++;
	wbuf[2] = '\0';
	tp.tm_year = atoi(wbuf);
	if(tp.tm_year < 38)
	    tp.tm_year += 100;
	local = 1;
    }

    wbuf[0] = *cp++;
    wbuf[1] = *cp++;
    wbuf[2] = 0;
    tp.tm_mon = atoi(wbuf) - 1;

    wbuf[0] = *cp++;
    wbuf[1] = *cp++;
    tp.tm_mday = atoi(wbuf);
    
    wbuf[0] = *cp++;
    wbuf[1] = *cp++;
    tp.tm_hour = atoi(wbuf);
    
    wbuf[0] = *cp++;
    wbuf[1] = *cp++;
    tp.tm_min = atoi(wbuf);
    
    return(tm2time(tp, local));
}

/* convert a version 4 dump file */
int
v4_prop_dump(void *arg, const char *file)
{
    char buf [1024];
    FILE *f;
    int lineno = 0;

    f = fopen(file, "r");
    if(f == NULL)
	return errno;
    
    while(fgets(buf, sizeof(buf), f)) {
	int ret;
	unsigned long key[2]; /* yes, long */
	char exp_date[64], mod_date[64];
	struct v4_principal pr;
	int attributes;
    
	memset(&pr, 0, sizeof(pr));
	errno = 0;
	lineno++;
	ret = sscanf(buf, "%63s %63s %d %d %d %d %lx %lx %63s %63s %63s %63s",
		     pr.name, pr.instance,
		     &pr.max_life, &pr.mkvno, &pr.kvno,
		     &attributes,
		     &key[0], &key[1],
		     exp_date, mod_date,
		     pr.mod_name, pr.mod_instance);
	if(ret != 12){
	    warnx("Line %d malformed (ignored)", lineno);
	    continue;
	}
	if(attributes != 0) {
	    warnx("Line %d (%s.%s) has non-zero attributes - skipping", 
		  lineno, pr.name, pr.instance);
	    continue;
	}
	pr.key[0] = (key[0] >> 24) & 0xff;
	pr.key[1] = (key[0] >> 16) & 0xff;
	pr.key[2] = (key[0] >> 8) & 0xff;
	pr.key[3] = (key[0] >> 0) & 0xff;
	pr.key[4] = (key[1] >> 24) & 0xff;
	pr.key[5] = (key[1] >> 16) & 0xff;
	pr.key[6] = (key[1] >> 8) & 0xff;
	pr.key[7] = (key[1] >> 0) & 0xff;
	pr.exp_date = time_parse(exp_date);
	pr.mod_date = time_parse(mod_date);
	if (pr.instance[0] == '*')
	    pr.instance[0] = '\0';
	if (pr.mod_name[0] == '*')
	    pr.mod_name[0] = '\0';
	if (pr.mod_instance[0] == '*')
	    pr.mod_instance[0] = '\0';
	v4_prop(arg, &pr);
	memset(&pr, 0, sizeof(pr));
    }
    fclose(f);
    return 0;
}

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