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/* $KTH: realm_parse.c,v 1.10 1997/06/01 03:14:50 assar Exp $ */
/*
* Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Kungliga Tekniska
* Högskolan and its contributors.
*
* 4. 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 "krb_locl.h"
static int
realm_parse(char *realm, int length, const char *file)
{
FILE *F;
char tr[128];
char *p;
if ((F = fopen(file,"r")) == NULL)
return -1;
while(fgets(tr, sizeof(tr), F)){
char *unused = NULL;
p = strtok_r(tr, " \t\n\r", &unused);
if(p && strcasecmp(p, realm) == 0){
fclose(F);
strncpy(realm, p, length);
return 0;
}
}
fclose(F);
return -1;
}
static const char *const files[] = KRB_CNF_FILES;
int
krb_realm_parse(char *realm, int length)
{
int i;
const char *dir = getenv("KRBCONFDIR");
/* First try user specified file */
if (dir != 0) {
char fname[MAXPATHLEN];
if(k_concat(fname, sizeof(fname), dir, "/krb.conf", NULL) == 0)
if (realm_parse(realm, length, fname) == 0)
return 0;
}
for (i = 0; files[i] != NULL; i++)
if (realm_parse(realm, length, files[i]) == 0)
return 0;
return -1;
}
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