summaryrefslogtreecommitdiff
path: root/src/lib/krb5/krb/kdc_rep_dc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/krb5/krb/kdc_rep_dc.c')
-rw-r--r--src/lib/krb5/krb/kdc_rep_dc.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/lib/krb5/krb/kdc_rep_dc.c b/src/lib/krb5/krb/kdc_rep_dc.c
new file mode 100644
index 000000000000..0aedcb7a4f4b
--- /dev/null
+++ b/src/lib/krb5/krb/kdc_rep_dc.c
@@ -0,0 +1,77 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* lib/krb5/krb/kdc_rep_dc.c */
+/*
+ * Copyright 1990 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ * 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. Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * 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 "k5-int.h"
+
+/*
+ * Decrypt the encrypted portion of the KDC_REP message, using the key
+ * passed.
+ *
+ */
+
+/*ARGSUSED*/
+krb5_error_code
+krb5_kdc_rep_decrypt_proc(krb5_context context, const krb5_keyblock *key, krb5_const_pointer decryptarg, krb5_kdc_rep *dec_rep)
+{
+ krb5_error_code retval;
+ krb5_data scratch;
+ krb5_enc_kdc_rep_part *local_encpart;
+ krb5_keyusage usage;
+
+ if (decryptarg) {
+ usage = *(const krb5_keyusage *) decryptarg;
+ } else {
+ usage = KRB5_KEYUSAGE_AS_REP_ENCPART;
+ }
+
+ /* set up scratch decrypt/decode area */
+
+ scratch.length = dec_rep->enc_part.ciphertext.length;
+ if (!(scratch.data = malloc(dec_rep->enc_part.ciphertext.length))) {
+ return(ENOMEM);
+ }
+
+ /*dec_rep->enc_part.enctype;*/
+
+ if ((retval = krb5_c_decrypt(context, key, usage, 0, &dec_rep->enc_part,
+ &scratch))) {
+ free(scratch.data);
+ return(retval);
+ }
+
+#define clean_scratch() {memset(scratch.data, 0, scratch.length); \
+ free(scratch.data);}
+
+ /* and do the decode */
+ retval = decode_krb5_enc_kdc_rep_part(&scratch, &local_encpart);
+ clean_scratch();
+ if (retval)
+ return retval;
+
+ dec_rep->enc_part2 = local_encpart;
+
+ return 0;
+}