summaryrefslogtreecommitdiffstats
path: root/crypto/kerberosIV/lib/krb/verify_user.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/kerberosIV/lib/krb/verify_user.c')
-rw-r--r--crypto/kerberosIV/lib/krb/verify_user.c111
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;
+}
+
OpenPOWER on IntegriCloud