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-rw-r--r--daemons/ipa-slapi-plugins/ipa-pwd-extop/syncreq.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/daemons/ipa-slapi-plugins/ipa-pwd-extop/syncreq.c b/daemons/ipa-slapi-plugins/ipa-pwd-extop/syncreq.c
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+++ b/daemons/ipa-slapi-plugins/ipa-pwd-extop/syncreq.c
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+/** BEGIN COPYRIGHT BLOCK
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Additional permission under GPLv3 section 7:
+ *
+ * In the following paragraph, "GPL" means the GNU General Public
+ * License, version 3 or any later version, and "Non-GPL Code" means
+ * code that is governed neither by the GPL nor a license
+ * compatible with the GPL.
+ *
+ * You may link the code of this Program with Non-GPL Code and convey
+ * linked combinations including the two, provided that such Non-GPL
+ * Code only links to the code of this Program through those well
+ * defined interfaces identified in the file named EXCEPTION found in
+ * the source code files (the "Approved Interfaces"). The files of
+ * Non-GPL Code may instantiate templates or use macros or inline
+ * functions from the Approved Interfaces without causing the resulting
+ * work to be covered by the GPL. Only the copyright holders of this
+ * Program may make changes or additions to the list of Approved
+ * Interfaces.
+ *
+ * Authors:
+ * Nathaniel McCallum <npmccallum@redhat.com>
+ *
+ * Copyright (C) 2013 Red Hat, Inc.
+ * All rights reserved.
+ * END COPYRIGHT BLOCK **/
+
+
+#include <libotp.h>
+#include "syncreq.h"
+
+#define OTP_SYNC_MAX_STEPS 25
+
+bool sync_request_present(Slapi_PBlock *pb)
+{
+ LDAPControl **controls = NULL;
+
+ if (slapi_pblock_get(pb, SLAPI_REQCONTROLS, &controls) != 0)
+ return false;
+
+ return ldap_control_find(OTP_SYNC_REQUEST_OID, controls, NULL) != NULL;
+}
+
+bool sync_request_handle(Slapi_ComponentId *plugin_id, Slapi_PBlock *pb,
+ const char *user_dn)
+{
+ struct otptoken **tokens = NULL;
+ LDAPControl **controls = NULL;
+ BerElement *ber = NULL;
+ char *token_dn = NULL;
+ int second = 0;
+ int first = 0;
+
+ if (slapi_pblock_get(pb, SLAPI_REQCONTROLS, &controls) != 0)
+ return false;
+
+ if (controls == NULL || controls[0] == NULL)
+ return false;
+
+ for (int i = 0; controls[i] != NULL; i++) {
+ if (strcmp(controls[i]->ldctl_oid, OTP_SYNC_REQUEST_OID) != 0)
+ continue;
+
+ /* Decode the request. */
+ ber = ber_init(&controls[i]->ldctl_value);
+ if (ber == NULL)
+ return false;
+
+ /* Decode the token codes. */
+ if (ber_scanf(ber, "{ii", &first, &second) == LBER_ERROR) {
+ ber_free(ber, 1);
+ return false;
+ }
+
+ /* Decode the optional token DN. */
+ ber_scanf(ber, "a", &token_dn);
+ if (ber_scanf(ber, "}") == LBER_ERROR) {
+ ber_free(ber, 1);
+ return false;
+ }
+ ber_free(ber, 1);
+
+ /* Find all the tokens. */
+ tokens = otptoken_find(plugin_id, user_dn, token_dn, true, NULL);
+ ber_memfree(token_dn);
+ if (tokens == NULL)
+ return false;
+
+ /* Synchronize the token. */
+ if (!otptoken_sync(tokens, OTP_SYNC_MAX_STEPS, first, second)) {
+ otptoken_free_array(tokens);
+ return false;
+ }
+
+ otptoken_free_array(tokens);
+ }
+
+ return true;
+}