2 * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 RCSID("$Id: getfile.c,v 1.5.2.1 2000/12/07 17:04:48 assar Exp $");
43 ret |= getuid() != geteuid();
46 ret |= getgid() != getegid();
52 get_file(const char **files, int num, const char *file, char *buf, size_t len)
56 if(getuid() != 0 && !is_suid() && (p = getenv("KRBCONFDIR"))){
58 snprintf(buf, len, "%s/%s", p, file);
63 for(q = files; *q; q++, i++){
65 snprintf(buf, len, "%s", *q);
73 krb_get_krbconf(int num, char *buf, size_t len)
75 const char *files[] = KRB_CNF_FILES;
76 return get_file(files, num, "krb.conf", buf, len);
80 krb_get_krbrealms(int num, char *buf, size_t len)
82 const char *files[] = KRB_RLM_FILES;
83 return get_file(files, num, "krb.realms", buf, len);
87 krb_get_krbextra(int num, char *buf, size_t len)
89 const char *files[] = { "/etc/krb.extra", NULL };
90 return get_file(files, num, "krb.extra", buf, len);