Try to not leak memory.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@18845 ec53bebd-3082-4978-b11e-865c3cabbd6b

kdc/digest.c

@@ -330,6 +330,7 @@ _kdc_do_digest(krb5_context context,
 	    krb5_abortx(context, "ASN1 internal error");
 
 	hex_encode(buf.data, buf.length, &r.u.initReply.opaque);
+	free(buf.data);
 	if (r.u.initReply.opaque == NULL) {
 	    krb5_clear_error_string(context);
 	    ret = ENOMEM;
@@ -474,6 +475,7 @@ _kdc_do_digest(krb5_context context,
 	ret = _kdc_db_fetch(context, config, clientprincipal,
 			    HDB_F_GET_CLIENT, &db, &user);
 
+	krb5_free_principal(context, clientprincipal);
 	if (ret)
 	    goto out;
 
@@ -680,6 +682,8 @@ _kdc_do_digest(krb5_context context,
 
     
 out:
+    if (ac)
+	krb5_auth_con_free(context, ac);
     if (ret)
 	krb5_warn(context, ret, "Digest request from %s failed", from);
     if (ticket)

lib/krb5/digest.c

@@ -252,6 +252,8 @@ digest_request(krb5_context context,
 
     krb5_data_zero(&data);
     krb5_data_zero(&data2);
+    memset(&req, 0, sizeof(req));
+    memset(&rep, 0, sizeof(rep));
 
     if (ccache == NULL) {
 	ret = krb5_cc_default(context, &id);
@@ -395,6 +397,9 @@ out:
     krb5_data_free(&data);
     krb5_data_free(&data2);
 
+    free_DigestREQ(&req);
+    free_DigestREP(&rep);
+
     return ret;
 }