1 files changed, 99 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/get_in_tkt.c b/crypto/kerberosIV/lib/krb/get_in_tkt.c
new file mode 100644
index 0000000..435632a
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/get_in_tkt.c
@@ -0,0 +1,99 @@
+/* 
+  Copyright (C) 1989 by the Massachusetts Institute of Technology
+
+   Export of this software from the United States of America is assumed
+   to require a specific license from the United States Government.
+   It is the responsibility of any person or organization contemplating
+   export to obtain such a license before exporting.
+
+WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+distribute this software and its documentation for any purpose and
+without fee is hereby granted, provided that the above copyright
+notice appear in all copies and that both that copyright notice and
+this permission notice appear in supporting documentation, and that
+the name of M.I.T. not be used in advertising or publicity pertaining
+to distribution of the software without specific, written prior
+permission.  M.I.T. makes no representations about the suitability of
+this software for any purpose.  It is provided "as is" without express
+or implied warranty.
+
+  */
+
+#include "krb_locl.h"
+
+RCSID("$Id: get_in_tkt.c,v 1.15 1997/03/23 03:53:08 joda Exp $");
+
+/*
+ * This file contains three routines: passwd_to_key() and
+ * passwd_to_afskey() converts a password into a DES key, using the
+ * normal strinttokey and the AFS one, respectively, and
+ * krb_get_pw_in_tkt() gets an initial ticket for a user.  
+ */
+
+/*
+ * passwd_to_key() and passwd_to_afskey: given a password, return a DES key.
+ */
+
+int
+passwd_to_key(char *user, char *instance, char *realm, void *passwd,
+	      des_cblock *key)
+{
+#ifndef NOENCRYPTION
+    des_string_to_key((char *)passwd, key);
+#endif
+    return 0;
+}
+
+
+int
+passwd_to_afskey(char *user, char *instance, char *realm, void *passwd,
+		  des_cblock *key)
+{
+#ifndef NOENCRYPTION
+    afs_string_to_key((char *)passwd, realm, key);
+#endif
+    return (0);
+}
+
+/*
+ * krb_get_pw_in_tkt() takes the name of the server for which the initial
+ * ticket is to be obtained, the name of the principal the ticket is
+ * for, the desired lifetime of the ticket, and the user's password.
+ * It passes its arguments on to krb_get_in_tkt(), which contacts
+ * Kerberos to get the ticket, decrypts it using the password provided,
+ * and stores it away for future use.
+ *
+ * krb_get_pw_in_tkt() passes two additional arguments to krb_get_in_tkt():
+ * the name of a routine (passwd_to_key()) to be used to get the
+ * password in case the "password" argument is null and NULL for the
+ * decryption procedure indicating that krb_get_in_tkt should use the 
+ * default method of decrypting the response from the KDC.
+ *
+ * The result of the call to krb_get_in_tkt() is returned.
+ */
+
+int
+krb_get_pw_in_tkt(char *user, char *instance, char *realm, char *service,
+		  char *sinstance, int life, char *password)
+{
+    char pword[100];		/* storage for the password */
+    int code;
+
+    /* Only request password once! */
+    if (!password) {
+        if (des_read_pw_string(pword, sizeof(pword)-1, "Password: ", 0)){
+	    memset(pword, 0, sizeof(pword));
+	    return INTK_BADPW;
+	}
+        password = pword;
+    }
+
+    code = krb_get_in_tkt(user,instance,realm,service,sinstance,life,
+                          passwd_to_key, NULL, password);
+    if (code == INTK_BADPW)
+	 code = krb_get_in_tkt(user,instance,realm,service,sinstance,life,
+			       passwd_to_afskey, NULL, password);
+    if (password == pword)
+        memset(pword, 0, sizeof(pword));
+    return(code);
+}