freeipa/daemons/ipa-slapi-plugins/ipa-pwd-extop/otpctrl.c
Nathaniel McCallum cd9bc84240 Rename syncreq.[ch] to otpctrl.[ch]
This gives us a place to handle all OTP related controls. Also,
genericize otpctrl_present() so that the OID can be specified as an
argument to the function call.

These changes are preparatory for the subsequent patches.

https://fedorahosted.org/freeipa/ticket/433

Reviewed-By: Sumit Bose <sbose@redhat.com>
2016-05-26 18:47:05 +02:00

108 lines
3.6 KiB
C

/** 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/otp_token.h"
#include "otpctrl.h"
bool otpctrl_present(Slapi_PBlock *pb, const char *oid)
{
LDAPControl **controls = NULL;
if (slapi_pblock_get(pb, SLAPI_REQCONTROLS, &controls) != 0)
return false;
return ldap_control_find(oid, controls, NULL) != NULL;
}
bool otpctrl_sync_handle(const struct otp_config *cfg, Slapi_PBlock *pb,
const char *user_dn)
{
struct otp_token **tokens = NULL;
LDAPControl **controls = NULL;
struct berval *second = NULL;
struct berval *first = NULL;
BerElement *ber = NULL;
char *token_dn = NULL;
bool success;
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, "{OO", &first, &second) == LBER_ERROR) {
ber_free(ber, 1);
return false;
}
/* Decode the optional token DN. */
(void)ber_scanf(ber, "a", &token_dn);
/* Process the synchronization. */
success = false;
if (ber_scanf(ber, "}") != LBER_ERROR) {
tokens = otp_token_find(cfg, user_dn, token_dn, true, NULL);
if (tokens != NULL) {
success = otp_token_validate_berval(tokens, first, second);
otp_token_free_array(tokens);
}
}
ber_memfree(token_dn); token_dn = NULL;
ber_bvfree(second);
ber_bvfree(first);
ber_free(ber, 1);
if (!success)
return false;
}
return true;
}