1 files changed, 96 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/getfile.c b/crypto/kerberosIV/lib/krb/getfile.c
new file mode 100644
index 0000000..15c5ed8
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/getfile.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 1995, 1996, 1997, 1998 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"
+
+RCSID("$Id: getfile.c,v 1.4 1998/06/09 19:25:19 joda Exp $");
+
+static int
+is_suid(void)
+{
+    int ret = 0;
+#ifdef HAVE_GETUID
+    ret |= getuid() != geteuid();
+#endif
+#ifdef HAVE_GETGID
+    ret |= getgid() != getegid();
+#endif
+    return ret;
+}
+
+static int
+get_file(const char **files, int num, const char *file, char *buf, size_t len)
+{
+    const char *p, **q;
+    int i = 0;
+    if(!is_suid() && (p = getenv("KRBCONFDIR"))){
+	if(num == i){
+	    snprintf(buf, len, "%s/%s", p, file);
+	    return 0;
+	}
+	i++;
+    }
+    for(q = files; *q; q++, i++){
+	if(num == i){
+	    snprintf(buf, len, "%s", *q);
+	    return 0;
+	}
+    }
+    return -1;
+}
+
+int
+krb_get_krbconf(int num, char *buf, size_t len)
+{
+    const char *files[] = KRB_CNF_FILES;
+    return get_file(files, num, "krb.conf", buf, len);
+}
+
+int
+krb_get_krbrealms(int num, char *buf, size_t len)
+{
+    const char *files[] = KRB_RLM_FILES;
+    return get_file(files, num, "krb.realms", buf, len);
+}
+
+int
+krb_get_krbextra(int num, char *buf, size_t len)
+{
+    const char *files[] = { "/etc/krb.extra", NULL };
+    return get_file(files, num, "krb.extra", buf, len);
+}