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/* ldap_casa.c
CASA routines for DHCPD... */
/* Copyright (c) 2006 Novell, Inc.
* 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 ISC, ISC DHCP, 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 INTERNET SYSTEMS CONSORTIUM 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 ISC 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.
* This file was written by S Kalyanasundaram <skalyanasundaram@novell.com>
*/
/*
* Copyright (c) 2004-2010 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1995-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* 950 Charter Street
* Redwood City, CA 94063
* <info@isc.org>
* https://www.isc.org/
*/
#if defined(LDAP_CASA_AUTH)
#include "ldap_casa.h"
#include "dhcpd.h"
int
load_casa (void)
{
if( !(casaIDK = dlopen(MICASA_LIB,RTLD_LAZY)))
return 0;
p_miCASAGetCredential = (CASA_GetCredential_T) dlsym(casaIDK, "miCASAGetCredential");
p_miCASASetCredential = (CASA_SetCredential_T) dlsym(casaIDK, "miCASASetCredential");
p_miCASARemoveCredential = (CASA_RemoveCredential_T) dlsym(casaIDK, "miCASARemoveCredential");
if((p_miCASAGetCredential == NULL) ||
(p_miCASASetCredential == NULL) ||
(p_miCASARemoveCredential == NULL))
{
if(casaIDK)
dlclose(casaIDK);
casaIDK = NULL;
p_miCASAGetCredential = NULL;
p_miCASASetCredential = NULL;
p_miCASARemoveCredential = NULL;
return 0;
}
else
return 1;
}
static void
release_casa(void)
{
if(casaIDK)
{
dlclose(casaIDK);
casaIDK = NULL;
}
p_miCASAGetCredential = NULL;
p_miCASASetCredential = NULL;
p_miCASARemoveCredential = NULL;
}
int
load_uname_pwd_from_miCASA (char **ldap_username, char **ldap_password)
{
int result = 0;
uint32_t credentialtype = SSCS_CRED_TYPE_SERVER_F;
SSCS_BASIC_CREDENTIAL credential;
SSCS_SECRET_ID_T applicationSecretId;
char *tempVar = NULL;
const char applicationName[10] = "dhcp-ldap";
if ( load_casa() )
{
memset(&credential, 0, sizeof(SSCS_BASIC_CREDENTIAL));
memset(&applicationSecretId, 0, sizeof(SSCS_SECRET_ID_T));
applicationSecretId.len = strlen(applicationName) + 1;
memcpy (applicationSecretId.id, applicationName, applicationSecretId.len);
credential.unFlags = USERNAME_TYPE_CN_F;
result = p_miCASAGetCredential (0,
&applicationSecretId,NULL,&credentialtype,
&credential,NULL);
if(credential.unLen)
{
tempVar = dmalloc (credential.unLen + 1, MDL);
if (!tempVar)
log_fatal ("no memory for ldap_username");
memcpy(tempVar , credential.username, credential.unLen);
*ldap_username = tempVar;
tempVar = dmalloc (credential.pwordLen + 1, MDL);
if (!tempVar)
log_fatal ("no memory for ldap_password");
memcpy(tempVar, credential.password, credential.pwordLen);
*ldap_password = tempVar;
#if defined (DEBUG_LDAP)
log_info ("Authentication credential taken from CASA");
#endif
release_casa();
return 1;
}
else
{
release_casa();
return 0;
}
}
else
return 0; //casa libraries not loaded
}
#endif /* LDAP_CASA_AUTH */
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