1 files changed, 111 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/verify_user.c b/crypto/kerberosIV/lib/krb/verify_user.c
new file mode 100644
index 0000000..ce22b59
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/verify_user.c
@@ -0,0 +1,111 @@
+/*
+ * 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"
+
+RCSID("$Id: verify_user.c,v 1.8 1997/04/01 08:18:46 joda Exp $");
+
+/* Verify user with password. If secure, also verify against local
+ * service key, this can (usually) only be done by root.
+ *
+ * As a side effect, fresh tickets are obtained.
+ *
+ * Returns zero if ok, a positive kerberos error or -1 for system
+ * errors.
+ */
+
+int
+krb_verify_user(char *name, char *instance, char *realm, char *password, 
+		int secure, char *linstance)
+{
+    int ret;
+    ret = krb_get_pw_in_tkt(name, instance, realm,
+			    KRB_TICKET_GRANTING_TICKET,
+			    realm,
+			    DEFAULT_TKT_LIFE, password);
+    if(ret != KSUCCESS)
+	return ret;
+
+    if(secure){
+	struct hostent *hp;
+	int32_t addr;
+	
+	KTEXT_ST ticket;
+	AUTH_DAT auth;
+
+	char lrealm[REALM_SZ];
+	char hostname[MaxHostNameLen];
+	char *phost;
+
+	if (k_gethostname(hostname, sizeof(hostname)) == -1) {
+	    dest_tkt();
+	    return -1;
+	}
+
+	hp = gethostbyname(hostname);
+	if(hp == NULL){
+	    dest_tkt();
+	    return -1;
+	}
+	memcpy(&addr, hp->h_addr, sizeof(addr));
+
+	ret = krb_get_lrealm(lrealm, 1);
+	if(ret != KSUCCESS){
+	    dest_tkt();
+	    return ret;
+	}
+	phost = krb_get_phost(hostname);
+	
+	if (linstance == NULL)
+	    linstance = "rcmd";
+
+	ret = krb_mk_req(&ticket, linstance, phost, lrealm, 33);
+	if(ret != KSUCCESS){
+	    dest_tkt();
+	    return ret;
+	}
+	
+	ret = krb_rd_req(&ticket, linstance, phost, addr, &auth, "");
+	if(ret != KSUCCESS){
+	    dest_tkt();
+	    return ret;
+	}
+    }
+    return 0;
+}
+