Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 860 insertions, 0 deletions

diff --git a/source3/rpc_client/cli_netlogon.c b/source3/rpc_client/cli_netlogon.c
new file mode 100644
index 0000000..762802d
--- /dev/null
+++ b/source3/rpc_client/cli_netlogon.c
@@ -0,0 +1,860 @@
+/*
+   Unix SMB/CIFS implementation.
+   NT Domain Authentication SMB / MSRPC client
+   Copyright (C) Andrew Tridgell 1992-2000
+   Copyright (C) Jeremy Allison                    1998.
+   Largely re-written by Jeremy Allison (C)	   2005.
+   Copyright (C) Guenther Deschner                 2008.
+
+   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 "system/filesys.h"
+#include "libsmb/libsmb.h"
+#include "rpc_client/rpc_client.h"
+#include "rpc_client/cli_pipe.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../libcli/auth/netlogon_creds_cli.h"
+#include "../librpc/gen_ndr/ndr_netlogon_c.h"
+#include "../librpc/gen_ndr/schannel.h"
+#include "rpc_client/cli_netlogon.h"
+#include "rpc_client/util_netlogon.h"
+#include "../libcli/security/security.h"
+#include "lib/param/param.h"
+#include "libcli/smb/smbXcli_base.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "util_tdb.h"
+#include "lib/crypto/gnutls_helpers.h"
+
+
+NTSTATUS rpccli_pre_open_netlogon_creds(void)
+{
+	static bool already_open = false;
+	TALLOC_CTX *frame;
+	struct loadparm_context *lp_ctx;
+	char *fname;
+	struct db_context *global_db;
+	NTSTATUS status;
+
+	if (already_open) {
+		return NT_STATUS_OK;
+	}
+
+	frame = talloc_stackframe();
+
+	lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
+	if (lp_ctx == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	fname = lpcfg_private_db_path(frame, lp_ctx, "netlogon_creds_cli");
+	if (fname == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	global_db = db_open(frame, fname,
+			    0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
+			    O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
+			    DBWRAP_FLAG_OPTIMIZE_READONLY_ACCESS);
+	if (global_db == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = netlogon_creds_cli_set_global_db(lp_ctx, &global_db);
+	TALLOC_FREE(frame);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	already_open = true;
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS rpccli_create_netlogon_creds(
+	const char *server_computer,
+	const char *server_netbios_domain,
+	const char *server_dns_domain,
+	const char *client_account,
+	enum netr_SchannelType sec_chan_type,
+	struct messaging_context *msg_ctx,
+	TALLOC_CTX *mem_ctx,
+	struct netlogon_creds_cli_context **netlogon_creds)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct loadparm_context *lp_ctx;
+	NTSTATUS status;
+
+	status = rpccli_pre_open_netlogon_creds();
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		return status;
+	}
+
+	lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
+	if (lp_ctx == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+	status = netlogon_creds_cli_context_global(lp_ctx,
+						   msg_ctx,
+						   client_account,
+						   sec_chan_type,
+						   server_computer,
+						   server_netbios_domain,
+						   server_dns_domain,
+						   mem_ctx, netlogon_creds);
+	TALLOC_FREE(frame);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS rpccli_create_netlogon_creds_ctx(
+	struct cli_credentials *creds,
+	const char *server_computer,
+	struct messaging_context *msg_ctx,
+	TALLOC_CTX *mem_ctx,
+	struct netlogon_creds_cli_context **creds_ctx)
+{
+	enum netr_SchannelType sec_chan_type;
+	const char *server_netbios_domain;
+	const char *server_dns_domain;
+	const char *client_account;
+
+	sec_chan_type = cli_credentials_get_secure_channel_type(creds);
+	client_account = cli_credentials_get_username(creds);
+	server_netbios_domain = cli_credentials_get_domain(creds);
+	server_dns_domain = cli_credentials_get_realm(creds);
+
+	return rpccli_create_netlogon_creds(server_computer,
+					    server_netbios_domain,
+					    server_dns_domain,
+					    client_account,
+					    sec_chan_type,
+					    msg_ctx, mem_ctx,
+					    creds_ctx);
+}
+
+NTSTATUS rpccli_setup_netlogon_creds_locked(
+	struct cli_state *cli,
+	enum dcerpc_transport_t transport,
+	struct netlogon_creds_cli_context *creds_ctx,
+	bool force_reauth,
+	struct cli_credentials *cli_creds,
+	uint32_t *negotiate_flags)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct rpc_pipe_client *netlogon_pipe = NULL;
+	struct netlogon_creds_CredentialState *creds = NULL;
+	uint8_t num_nt_hashes = 0;
+	const struct samr_Password *nt_hashes[2] = { NULL, NULL };
+	uint8_t idx_nt_hashes = 0;
+	NTSTATUS status;
+	const char *remote_name = NULL;
+	const struct sockaddr_storage *remote_sockaddr = NULL;
+
+	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
+	if (NT_STATUS_IS_OK(status)) {
+		const char *action = "using";
+
+		if (force_reauth) {
+			action = "overwrite";
+		}
+
+		if (cli != NULL) {
+			remote_name = smbXcli_conn_remote_name(cli->conn);
+		} else {
+			remote_name = "<UNKNOWN>";
+		}
+
+		DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
+			 __FUNCTION__, action,
+			 creds->account_name, creds->computer_name,
+			 remote_name));
+		if (!force_reauth) {
+			goto done;
+		}
+		TALLOC_FREE(creds);
+	}
+
+	nt_hashes[0] = cli_credentials_get_nt_hash(cli_creds, talloc_tos());
+	if (nt_hashes[0] == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+	num_nt_hashes = 1;
+
+	nt_hashes[1] = cli_credentials_get_old_nt_hash(cli_creds,
+						       talloc_tos());
+	if (nt_hashes[1] != NULL) {
+		num_nt_hashes = 2;
+	}
+
+	remote_name = smbXcli_conn_remote_name(cli->conn);
+	remote_sockaddr = smbXcli_conn_remote_sockaddr(cli->conn);
+
+	status = cli_rpc_pipe_open_noauth_transport(cli,
+						    transport,
+						    &ndr_table_netlogon,
+						    remote_name,
+						    remote_sockaddr,
+						    &netlogon_pipe);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
+			 __FUNCTION__,
+			 remote_name,
+			 nt_errstr(status)));
+		TALLOC_FREE(frame);
+		return status;
+	}
+	talloc_steal(frame, netlogon_pipe);
+
+	status = netlogon_creds_cli_auth(creds_ctx,
+					 netlogon_pipe->binding_handle,
+					 num_nt_hashes,
+					 nt_hashes,
+					 &idx_nt_hashes);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		return status;
+	}
+
+	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
+		 __FUNCTION__,
+		 creds->account_name, creds->computer_name,
+		 remote_name));
+
+done:
+	if (negotiate_flags != NULL) {
+		*negotiate_flags = creds->negotiate_flags;
+	}
+
+	TALLOC_FREE(frame);
+	return NT_STATUS_OK;
+}
+
+NTSTATUS rpccli_setup_netlogon_creds(
+	struct cli_state *cli,
+	enum dcerpc_transport_t transport,
+	struct netlogon_creds_cli_context *creds_ctx,
+	bool force_reauth,
+	struct cli_credentials *cli_creds)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct netlogon_creds_cli_lck *lck;
+	NTSTATUS status;
+
+	status = netlogon_creds_cli_lck(
+		creds_ctx, NETLOGON_CREDS_CLI_LCK_EXCLUSIVE,
+		frame, &lck);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_WARNING("netlogon_creds_cli_lck failed: %s\n",
+			    nt_errstr(status));
+		TALLOC_FREE(frame);
+		return status;
+	}
+
+	status = rpccli_setup_netlogon_creds_locked(
+		cli, transport, creds_ctx, force_reauth, cli_creds, NULL);
+
+	TALLOC_FREE(frame);
+
+	return status;
+}
+
+NTSTATUS rpccli_connect_netlogon(
+	struct cli_state *cli,
+	enum dcerpc_transport_t transport,
+	struct netlogon_creds_cli_context *creds_ctx,
+	bool force_reauth,
+	struct cli_credentials *trust_creds,
+	struct rpc_pipe_client **_rpccli)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct netlogon_creds_CredentialState *creds = NULL;
+	enum netlogon_creds_cli_lck_type lck_type;
+	enum netr_SchannelType sec_chan_type;
+	struct netlogon_creds_cli_lck *lck = NULL;
+	uint32_t negotiate_flags;
+	uint8_t found_session_key[16] = {0};
+	bool found_existing_creds = false;
+	bool do_serverauth;
+	struct rpc_pipe_client *rpccli;
+	NTSTATUS status;
+	bool retry = false;
+	const char *remote_name = NULL;
+	const struct sockaddr_storage *remote_sockaddr = NULL;
+
+	sec_chan_type = cli_credentials_get_secure_channel_type(trust_creds);
+	if (sec_chan_type == SEC_CHAN_NULL) {
+		DBG_ERR("secure_channel_type gave SEC_CHAN_NULL\n");
+		status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+		goto fail;
+	}
+
+again:
+
+	/*
+	 * See whether we can use existing netlogon_creds or
+	 * whether we have to serverauthenticate.
+	 */
+	status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
+
+	if (NT_STATUS_IS_OK(status)) {
+		bool cmp = mem_equal_const_time(found_session_key,
+						creds->session_key,
+						sizeof(found_session_key));
+		found_existing_creds = !cmp;
+
+		memcpy(found_session_key,
+		       creds->session_key,
+		       sizeof(found_session_key));
+
+		TALLOC_FREE(creds);
+	}
+
+	lck_type = (force_reauth || !found_existing_creds) ?
+		NETLOGON_CREDS_CLI_LCK_EXCLUSIVE :
+		NETLOGON_CREDS_CLI_LCK_SHARED;
+
+	status = netlogon_creds_cli_lck(creds_ctx, lck_type, frame, &lck);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_DEBUG("netlogon_creds_cli_lck failed: %s\n",
+			  nt_errstr(status));
+		goto fail;
+	}
+
+	if (!found_existing_creds) {
+		/*
+		 * Try to find creds under the lock again. Someone
+		 * else might have done it for us.
+		 */
+		status = netlogon_creds_cli_get(creds_ctx, frame, &creds);
+
+		if (NT_STATUS_IS_OK(status)) {
+			bool cmp = mem_equal_const_time(found_session_key,
+							creds->session_key,
+							sizeof(found_session_key));
+			found_existing_creds = !cmp;
+
+			memcpy(found_session_key, creds->session_key,
+			       sizeof(found_session_key));
+
+			TALLOC_FREE(creds);
+		}
+	}
+
+	remote_name = smbXcli_conn_remote_name(cli->conn);
+	remote_sockaddr = smbXcli_conn_remote_sockaddr(cli->conn);
+
+	do_serverauth = force_reauth || !found_existing_creds;
+
+	if (!do_serverauth) {
+		/*
+		 * Do the quick schannel bind without a reauth
+		 */
+		status = cli_rpc_pipe_open_bind_schannel(cli,
+							 &ndr_table_netlogon,
+							 transport,
+							 creds_ctx,
+							 remote_name,
+							 remote_sockaddr,
+							 &rpccli);
+		if (!retry && NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_ACCESS_DENIED)) {
+			DBG_DEBUG("Retrying with serverauthenticate\n");
+			TALLOC_FREE(lck);
+			retry = true;
+			goto again;
+		}
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
+				  "failed: %s\n", nt_errstr(status));
+			goto fail;
+		}
+		goto done;
+	}
+
+	if (cli_credentials_is_anonymous(trust_creds)) {
+		DBG_WARNING("get_trust_credential for %s only gave anonymous,"
+			    "unable to negotiate NETLOGON credentials\n",
+			    netlogon_creds_cli_debug_string(
+				    creds_ctx, frame));
+		status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+		goto fail;
+	}
+
+	status = rpccli_setup_netlogon_creds_locked(
+		cli, transport, creds_ctx, true, trust_creds,
+		&negotiate_flags);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_DEBUG("rpccli_setup_netlogon_creds failed for %s, "
+			  "unable to setup NETLOGON credentials: %s\n",
+			  netlogon_creds_cli_debug_string(
+				  creds_ctx, frame),
+			  nt_errstr(status));
+		goto fail;
+	}
+
+	if (!(negotiate_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
+		if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
+			status = NT_STATUS_DOWNGRADE_DETECTED;
+			DBG_WARNING("Unwilling to make connection to %s"
+				    "without connection level security, "
+				    "must set 'winbind sealed pipes = false'"
+				    " and 'require strong key = false' "
+				    "to proceed: %s\n",
+				    netlogon_creds_cli_debug_string(
+					    creds_ctx, frame),
+				    nt_errstr(status));
+			goto fail;
+		}
+
+		status = cli_rpc_pipe_open_noauth_transport(cli,
+							    transport,
+							    &ndr_table_netlogon,
+							    remote_name,
+							    remote_sockaddr,
+							    &rpccli);
+		if (!NT_STATUS_IS_OK(status)) {
+			DBG_DEBUG("cli_rpc_pipe_open_noauth_transport "
+				  "failed: %s\n", nt_errstr(status));
+			goto fail;
+		}
+		goto done;
+	}
+
+	status = cli_rpc_pipe_open_bind_schannel(cli,
+						 &ndr_table_netlogon,
+						 transport,
+						 creds_ctx,
+						 remote_name,
+						 remote_sockaddr,
+						 &rpccli);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_DEBUG("cli_rpc_pipe_open_bind_schannel "
+			  "failed: %s\n", nt_errstr(status));
+		goto fail;
+	}
+
+	status = netlogon_creds_cli_check(creds_ctx, rpccli->binding_handle,
+					  NULL);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_WARNING("netlogon_creds_cli_check failed: %s\n",
+			    nt_errstr(status));
+		goto fail;
+	}
+
+done:
+	*_rpccli = rpccli;
+	status = NT_STATUS_OK;
+fail:
+	ZERO_STRUCT(found_session_key);
+	TALLOC_FREE(lck);
+	TALLOC_FREE(frame);
+	return status;
+}
+
+/* Logon domain user */
+
+NTSTATUS rpccli_netlogon_password_logon(
+	struct netlogon_creds_cli_context *creds_ctx,
+	struct dcerpc_binding_handle *binding_handle,
+	TALLOC_CTX *mem_ctx,
+	uint32_t logon_parameters,
+	const char *domain,
+	const char *username,
+	const char *password,
+	const char *workstation,
+	const uint64_t logon_id,
+	enum netr_LogonInfoClass logon_type,
+	uint8_t *authoritative,
+	uint32_t *flags,
+	uint16_t *_validation_level,
+	union netr_Validation **_validation)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	NTSTATUS status;
+	union netr_LogonLevel *logon;
+	uint16_t validation_level = 0;
+	union netr_Validation *validation = NULL;
+	char *workstation_slash = NULL;
+
+	unsigned char local_nt_response[24];
+	unsigned char local_lm_response[24];
+	struct samr_Password lmpassword = {.hash = {0}};
+	struct samr_Password ntpassword = {.hash = {0}};
+	struct netr_ChallengeResponse lm = {0};
+	struct netr_ChallengeResponse nt = {0};
+
+	logon = talloc_zero(frame, union netr_LogonLevel);
+	if (logon == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	if (workstation == NULL) {
+		workstation = lp_netbios_name();
+	}
+
+	workstation_slash = talloc_asprintf(frame, "\\\\%s", workstation);
+	if (workstation_slash == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* Initialise input parameters */
+
+	switch (logon_type) {
+	case NetlogonInteractiveInformation:
+	case NetlogonInteractiveTransitiveInformation: {
+
+		struct netr_PasswordInfo *password_info;
+
+
+		password_info = talloc_zero(frame, struct netr_PasswordInfo);
+		if (password_info == NULL) {
+			TALLOC_FREE(frame);
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
+
+		password_info->identity_info.domain_name.string		= domain;
+		password_info->identity_info.parameter_control		= logon_parameters;
+		password_info->identity_info.logon_id			= logon_id;
+		password_info->identity_info.account_name.string	= username;
+		password_info->identity_info.workstation.string		= workstation_slash;
+
+		password_info->lmpassword = lmpassword;
+		password_info->ntpassword = ntpassword;
+
+		logon->password = password_info;
+
+		break;
+	}
+	case NetlogonNetworkInformation:
+	case NetlogonNetworkTransitiveInformation: {
+		struct netr_NetworkInfo *network_info;
+		uint8_t chal[8];
+		int rc;
+
+		ZERO_STRUCT(lm);
+		ZERO_STRUCT(nt);
+
+		network_info = talloc_zero(frame, struct netr_NetworkInfo);
+		if (network_info == NULL) {
+			TALLOC_FREE(frame);
+			return NT_STATUS_NO_MEMORY;
+		}
+
+		generate_random_buffer(chal, 8);
+
+		SMBencrypt(password, chal, local_lm_response);
+		rc = SMBNTencrypt(password, chal, local_nt_response);
+		if (rc != 0) {
+			TALLOC_FREE(frame);
+			return gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
+		}
+
+		lm.length = 24;
+		lm.data = local_lm_response;
+
+		nt.length = 24;
+		nt.data = local_nt_response;
+
+		network_info->identity_info.domain_name.string		= domain;
+		network_info->identity_info.parameter_control		= logon_parameters;
+		network_info->identity_info.logon_id			= logon_id;
+		network_info->identity_info.account_name.string		= username;
+		network_info->identity_info.workstation.string		= workstation_slash;
+
+		memcpy(network_info->challenge, chal, 8);
+		network_info->nt = nt;
+		network_info->lm = lm;
+
+		logon->network = network_info;
+
+		break;
+	}
+	default:
+		DEBUG(0, ("switch value %d not supported\n",
+			logon_type));
+		TALLOC_FREE(frame);
+		return NT_STATUS_INVALID_INFO_CLASS;
+	}
+
+	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
+						  binding_handle,
+						  logon_type,
+						  logon,
+						  mem_ctx,
+						  &validation_level,
+						  &validation,
+						  authoritative,
+						  flags);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		return status;
+	}
+
+	TALLOC_FREE(frame);
+	*_validation_level = validation_level;
+	*_validation = validation;
+
+	return NT_STATUS_OK;
+}
+
+/**
+ * Logon domain user with an 'network' SAM logon
+ *
+ * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
+ **/
+
+
+NTSTATUS rpccli_netlogon_network_logon(
+	struct netlogon_creds_cli_context *creds_ctx,
+	struct dcerpc_binding_handle *binding_handle,
+	TALLOC_CTX *mem_ctx,
+	uint32_t logon_parameters,
+	const char *username,
+	const char *domain,
+	const char *workstation,
+	const uint64_t logon_id,
+	DATA_BLOB chal,
+	DATA_BLOB lm_response,
+	DATA_BLOB nt_response,
+	enum netr_LogonInfoClass logon_type,
+	uint8_t *authoritative,
+	uint32_t *flags,
+	uint16_t *_validation_level,
+	union netr_Validation **_validation)
+{
+	NTSTATUS status;
+	const char *workstation_name_slash;
+	union netr_LogonLevel *logon = NULL;
+	struct netr_NetworkInfo *network_info;
+	uint16_t validation_level = 0;
+	union netr_Validation *validation = NULL;
+	struct netr_ChallengeResponse lm;
+	struct netr_ChallengeResponse nt;
+
+	*_validation = NULL;
+
+	ZERO_STRUCT(lm);
+	ZERO_STRUCT(nt);
+
+	switch (logon_type) {
+	case NetlogonNetworkInformation:
+	case NetlogonNetworkTransitiveInformation:
+		break;
+	default:
+		DEBUG(0, ("switch value %d not supported\n",
+			logon_type));
+		return NT_STATUS_INVALID_INFO_CLASS;
+	}
+
+	logon = talloc_zero(mem_ctx, union netr_LogonLevel);
+	if (!logon) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
+	if (!network_info) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	if (workstation == NULL) {
+		workstation = lp_netbios_name();
+	}
+
+	if (workstation[0] != '\\' && workstation[1] != '\\') {
+		workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
+	} else {
+		workstation_name_slash = workstation;
+	}
+
+	if (!workstation_name_slash) {
+		DEBUG(0, ("talloc_asprintf failed!\n"));
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* Initialise input parameters */
+
+	lm.data = lm_response.data;
+	lm.length = lm_response.length;
+	nt.data = nt_response.data;
+	nt.length = nt_response.length;
+
+	network_info->identity_info.domain_name.string		= domain;
+	network_info->identity_info.parameter_control		= logon_parameters;
+	network_info->identity_info.logon_id			= logon_id;
+	network_info->identity_info.account_name.string		= username;
+	network_info->identity_info.workstation.string		= workstation_name_slash;
+
+	if (chal.length != 8) {
+		DBG_WARNING("Invalid challenge length %zd\n", chal.length);
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	memcpy(network_info->challenge, chal.data, chal.length);
+	network_info->nt = nt;
+	network_info->lm = lm;
+
+	logon->network = network_info;
+
+	/* Marshall data and send request */
+
+	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
+						  binding_handle,
+						  logon_type,
+						  logon,
+						  mem_ctx,
+						  &validation_level,
+						  &validation,
+						  authoritative,
+						  flags);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	*_validation_level = validation_level;
+	*_validation = validation;
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS rpccli_netlogon_interactive_logon(
+	struct netlogon_creds_cli_context *creds_ctx,
+	struct dcerpc_binding_handle *binding_handle,
+	TALLOC_CTX *mem_ctx,
+	uint32_t logon_parameters,
+	const char *username,
+	const char *domain,
+	const char *workstation,
+	const uint64_t logon_id,
+	DATA_BLOB lm_hash,
+	DATA_BLOB nt_hash,
+	enum netr_LogonInfoClass logon_type,
+	uint8_t *authoritative,
+	uint32_t *flags,
+	uint16_t *_validation_level,
+	union netr_Validation **_validation)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	NTSTATUS status;
+	const char *workstation_name_slash;
+	union netr_LogonLevel *logon = NULL;
+	struct netr_PasswordInfo *password_info = NULL;
+	uint16_t validation_level = 0;
+	union netr_Validation *validation = NULL;
+	struct netr_ChallengeResponse lm;
+	struct netr_ChallengeResponse nt;
+
+	*_validation = NULL;
+
+	ZERO_STRUCT(lm);
+	ZERO_STRUCT(nt);
+
+	switch (logon_type) {
+	case NetlogonInteractiveInformation:
+	case NetlogonInteractiveTransitiveInformation:
+		break;
+	default:
+		DEBUG(0, ("switch value %d not supported\n",
+			logon_type));
+		TALLOC_FREE(frame);
+		return NT_STATUS_INVALID_INFO_CLASS;
+	}
+
+	logon = talloc_zero(mem_ctx, union netr_LogonLevel);
+	if (logon == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	password_info = talloc_zero(logon, struct netr_PasswordInfo);
+	if (password_info == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	if (workstation[0] != '\\' && workstation[1] != '\\') {
+		workstation_name_slash = talloc_asprintf(frame, "\\\\%s", workstation);
+	} else {
+		workstation_name_slash = workstation;
+	}
+
+	if (workstation_name_slash == NULL) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* Initialise input parameters */
+
+	password_info->identity_info.domain_name.string		= domain;
+	password_info->identity_info.parameter_control		= logon_parameters;
+	password_info->identity_info.logon_id			= logon_id;
+	password_info->identity_info.account_name.string	= username;
+	password_info->identity_info.workstation.string		= workstation_name_slash;
+
+	if (nt_hash.length != sizeof(password_info->ntpassword.hash)) {
+		TALLOC_FREE(frame);
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+	memcpy(password_info->ntpassword.hash, nt_hash.data, nt_hash.length);
+	if (lm_hash.length != 0) {
+		if (lm_hash.length != sizeof(password_info->lmpassword.hash)) {
+			TALLOC_FREE(frame);
+			return NT_STATUS_INVALID_PARAMETER;
+		}
+		memcpy(password_info->lmpassword.hash, lm_hash.data, lm_hash.length);
+	}
+
+	logon->password = password_info;
+
+	/* Marshall data and send request */
+
+	status = netlogon_creds_cli_LogonSamLogon(creds_ctx,
+						  binding_handle,
+						  logon_type,
+						  logon,
+						  mem_ctx,
+						  &validation_level,
+						  &validation,
+						  authoritative,
+						  flags);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		return status;
+	}
+
+	*_validation_level = validation_level;
+	*_validation = validation;
+
+	TALLOC_FREE(frame);
+	return NT_STATUS_OK;
+}