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/*
Samba Unix/Linux SMB client library
net ads cldap functions
Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
Copyright (C) 2003 Jim McDonough (jmcd@us.ibm.com)
Copyright (C) 2008 Guenther Deschner (gd@samba.org)
Copyright (C) 2009 Stefan Metzmacher (metze@samba.org)
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/>.
*/
#include "includes.h"
#include "../libcli/cldap/cldap.h"
#include "../librpc/gen_ndr/ndr_netlogon.h"
#include "../lib/tsocket/tsocket.h"
#include "../lib/util/tevent_ntstatus.h"
#include "libads/cldap.h"
#include "libads/netlogon_ping.h"
/*******************************************************************
do a cldap netlogon query. Always 389/udp
*******************************************************************/
static bool ads_cldap_netlogon(TALLOC_CTX *mem_ctx,
struct sockaddr_storage *ss,
const char *realm,
uint32_t nt_version,
uint32_t required_flags,
struct netlogon_samlogon_response **_reply)
{
NTSTATUS status;
char addrstr[INET6_ADDRSTRLEN];
const char *dest_str;
struct tsocket_address *dest_addr;
struct netlogon_samlogon_response **responses = NULL;
int ret;
dest_str = print_sockaddr(addrstr, sizeof(addrstr), ss);
ret = tsocket_address_inet_from_strings(mem_ctx, "ip",
dest_str, LDAP_PORT,
&dest_addr);
if (ret != 0) {
status = map_nt_error_from_unix(errno);
DEBUG(2,("Failed to create cldap tsocket_address for %s - %s\n",
dest_str, nt_errstr(status)));
return false;
}
status = netlogon_pings(
talloc_tos(), /* mem_ctx */
lp_client_netlogon_ping_protocol(), /*proto */
&dest_addr, /* servers */
1, /* num_servers */
(struct netlogon_ping_filter) {
.ntversion = nt_version,
.domain = realm,
.acct_ctrl = -1,
.required_flags = required_flags,
},
1, /* wanted_servers */
timeval_current_ofs(MAX(3, lp_ldap_timeout() / 2), 0),
&responses);
if (!NT_STATUS_IS_OK(status)) {
DBG_NOTICE("netlogon_pings failed: %s\n", nt_errstr(status));
return false;
}
if (responses == NULL || responses[0] == NULL) {
DBG_NOTICE("did not get a reply\n");
TALLOC_FREE(responses);
return false;
}
*_reply = talloc_move(mem_ctx, &responses[0]);
return true;
}
/*******************************************************************
do a cldap netlogon query. Always 389/udp
*******************************************************************/
bool ads_cldap_netlogon_5(TALLOC_CTX *mem_ctx,
struct sockaddr_storage *ss,
const char *realm,
uint32_t required_flags,
struct NETLOGON_SAM_LOGON_RESPONSE_EX *reply5)
{
uint32_t nt_version = NETLOGON_NT_VERSION_5 | NETLOGON_NT_VERSION_5EX;
struct netlogon_samlogon_response *reply = NULL;
bool ret;
ret = ads_cldap_netlogon(
mem_ctx, ss, realm, nt_version, required_flags, &reply);
if (!ret) {
return false;
}
if (reply->ntver != NETLOGON_NT_VERSION_5EX) {
DEBUG(0,("ads_cldap_netlogon_5: nt_version mismatch: 0x%08x\n",
reply->ntver));
return false;
}
*reply5 = reply->data.nt5_ex;
return true;
}
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