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-rw-r--r--crypto/heimdal/kcm/renew.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/crypto/heimdal/kcm/renew.c b/crypto/heimdal/kcm/renew.c
new file mode 100644
index 0000000..9450209
--- /dev/null
+++ b/crypto/heimdal/kcm/renew.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2005, PADL Software Pty Ltd.
+ * 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. Neither the name of PADL Software 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 PADL SOFTWARE 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 PADL SOFTWARE 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 "kcm_locl.h"
+
+RCSID("$Id: renew.c 14566 2005-02-06 01:22:49Z lukeh $");
+
+krb5_error_code
+kcm_ccache_refresh(krb5_context context,
+ kcm_ccache ccache,
+ krb5_creds **credp)
+{
+ krb5_error_code ret;
+ krb5_creds in, *out;
+ krb5_kdc_flags flags;
+ krb5_const_realm realm;
+ krb5_ccache_data ccdata;
+
+ memset(&in, 0, sizeof(in));
+
+ KCM_ASSERT_VALID(ccache);
+
+ if (ccache->client == NULL) {
+ /* no primary principal */
+ kcm_log(0, "Refresh credentials requested but no client principal");
+ return KRB5_CC_NOTFOUND;
+ }
+
+ HEIMDAL_MUTEX_lock(&ccache->mutex);
+
+ /* Fake up an internal ccache */
+ kcm_internal_ccache(context, ccache, &ccdata);
+
+ /* Find principal */
+ in.client = ccache->client;
+
+ if (ccache->server != NULL) {
+ ret = krb5_copy_principal(context, ccache->server, &in.server);
+ if (ret) {
+ kcm_log(0, "Failed to copy service principal: %s",
+ krb5_get_err_text(context, ret));
+ goto out;
+ }
+ } else {
+ realm = krb5_principal_get_realm(context, in.client);
+ ret = krb5_make_principal(context, &in.server, realm,
+ KRB5_TGS_NAME, realm, NULL);
+ if (ret) {
+ kcm_log(0, "Failed to make TGS principal for realm %s: %s",
+ realm, krb5_get_err_text(context, ret));
+ goto out;
+ }
+ }
+
+ if (ccache->tkt_life)
+ in.times.endtime = time(NULL) + ccache->tkt_life;
+ if (ccache->renew_life)
+ in.times.renew_till = time(NULL) + ccache->renew_life;
+
+ flags.i = 0;
+ flags.b.renewable = TRUE;
+ flags.b.renew = TRUE;
+
+ ret = krb5_get_kdc_cred(context,
+ &ccdata,
+ flags,
+ NULL,
+ NULL,
+ &in,
+ &out);
+ if (ret) {
+ kcm_log(0, "Failed to renew credentials for cache %s: %s",
+ ccache->name, krb5_get_err_text(context, ret));
+ goto out;
+ }
+
+ /* Swap them in */
+ kcm_ccache_remove_creds_internal(context, ccache);
+
+ ret = kcm_ccache_store_cred_internal(context, ccache, out, 0, credp);
+ if (ret) {
+ kcm_log(0, "Failed to store credentials for cache %s: %s",
+ ccache->name, krb5_get_err_text(context, ret));
+ krb5_free_creds(context, out);
+ goto out;
+ }
+
+ free(out); /* but not contents */
+
+out:
+ HEIMDAL_MUTEX_unlock(&ccache->mutex);
+
+ return ret;
+}
+
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