+++ /dev/null
-/*
- * Unix SMB/CIFS implementation.
- * RPC Pipe client / server routines
- * Copyright (C) Andrew Tridgell 1992-1997,
- * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
- * Copyright (C) Paul Ashton 1997.
- * Copyright (C) Jeremy Allison 1998-2001.
- * Copyright (C) Andrew Bartlett 2001.
- * Copyright (C) Guenther Deschner 2008-2009.
- *
- * 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/>.
- */
-
-/* This is the implementation of the netlogon pipe. */
-
-#include "includes.h"
-#include "../libcli/auth/schannel.h"
-#include "../librpc/gen_ndr/srv_netlogon.h"
-#include "../librpc/gen_ndr/srv_samr.h"
-#include "../librpc/gen_ndr/srv_lsa.h"
-#include "../librpc/gen_ndr/ndr_samr_c.h"
-#include "../librpc/gen_ndr/ndr_lsa_c.h"
-#include "rpc_client/cli_lsarpc.h"
-#include "librpc/gen_ndr/messaging.h"
-#include "../lib/crypto/md4.h"
-#include "rpc_client/init_lsa.h"
-#include "rpc_server/rpc_ncacn_np.h"
-#include "../libcli/security/security.h"
-
-extern userdom_struct current_user_info;
-
-#undef DBGC_CLASS
-#define DBGC_CLASS DBGC_RPC_SRV
-
-struct netlogon_server_pipe_state {
- struct netr_Credential client_challenge;
- struct netr_Credential server_challenge;
-};
-
-/*************************************************************************
- _netr_LogonControl
- *************************************************************************/
-
-WERROR _netr_LogonControl(struct pipes_struct *p,
- struct netr_LogonControl *r)
-{
- struct netr_LogonControl2Ex l;
-
- switch (r->in.level) {
- case 1:
- break;
- case 2:
- return WERR_NOT_SUPPORTED;
- default:
- return WERR_UNKNOWN_LEVEL;
- }
-
- l.in.logon_server = r->in.logon_server;
- l.in.function_code = r->in.function_code;
- l.in.level = r->in.level;
- l.in.data = NULL;
- l.out.query = r->out.query;
-
- return _netr_LogonControl2Ex(p, &l);
-}
-
-/****************************************************************************
-Send a message to smbd to do a sam synchronisation
-**************************************************************************/
-
-static void send_sync_message(struct messaging_context *msg_ctx)
-{
- DEBUG(3, ("sending sam synchronisation message\n"));
- message_send_all(msg_ctx, MSG_SMB_SAM_SYNC, NULL, 0, NULL);
-}
-
-/*************************************************************************
- _netr_LogonControl2
- *************************************************************************/
-
-WERROR _netr_LogonControl2(struct pipes_struct *p,
- struct netr_LogonControl2 *r)
-{
- struct netr_LogonControl2Ex l;
-
- l.in.logon_server = r->in.logon_server;
- l.in.function_code = r->in.function_code;
- l.in.level = r->in.level;
- l.in.data = r->in.data;
- l.out.query = r->out.query;
-
- return _netr_LogonControl2Ex(p, &l);
-}
-
-/*************************************************************************
- *************************************************************************/
-
-static bool wb_change_trust_creds(const char *domain, WERROR *tc_status)
-{
- wbcErr result;
- struct wbcAuthErrorInfo *error = NULL;
-
- result = wbcChangeTrustCredentials(domain, &error);
- switch (result) {
- case WBC_ERR_WINBIND_NOT_AVAILABLE:
- return false;
- case WBC_ERR_DOMAIN_NOT_FOUND:
- *tc_status = WERR_NO_SUCH_DOMAIN;
- return true;
- case WBC_ERR_SUCCESS:
- *tc_status = WERR_OK;
- return true;
- default:
- break;
- }
-
- if (error && error->nt_status != 0) {
- *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
- } else {
- *tc_status = WERR_TRUST_FAILURE;
- }
- wbcFreeMemory(error);
- return true;
-}
-
-/*************************************************************************
- *************************************************************************/
-
-static bool wb_check_trust_creds(const char *domain, WERROR *tc_status)
-{
- wbcErr result;
- struct wbcAuthErrorInfo *error = NULL;
-
- result = wbcCheckTrustCredentials(domain, &error);
- switch (result) {
- case WBC_ERR_WINBIND_NOT_AVAILABLE:
- return false;
- case WBC_ERR_DOMAIN_NOT_FOUND:
- *tc_status = WERR_NO_SUCH_DOMAIN;
- return true;
- case WBC_ERR_SUCCESS:
- *tc_status = WERR_OK;
- return true;
- default:
- break;
- }
-
- if (error && error->nt_status != 0) {
- *tc_status = ntstatus_to_werror(NT_STATUS(error->nt_status));
- } else {
- *tc_status = WERR_TRUST_FAILURE;
- }
- wbcFreeMemory(error);
- return true;
-}
-
-/****************************************************************
- _netr_LogonControl2Ex
-****************************************************************/
-
-WERROR _netr_LogonControl2Ex(struct pipes_struct *p,
- struct netr_LogonControl2Ex *r)
-{
- uint32_t flags = 0x0;
- WERROR pdc_connection_status = WERR_OK;
- uint32_t logon_attempts = 0x0;
- WERROR tc_status;
- fstring dc_name2;
- const char *dc_name = NULL;
- struct sockaddr_storage dc_ss;
- const char *domain = NULL;
- struct netr_NETLOGON_INFO_1 *info1;
- struct netr_NETLOGON_INFO_2 *info2;
- struct netr_NETLOGON_INFO_3 *info3;
- struct netr_NETLOGON_INFO_4 *info4;
- const char *fn;
- uint32_t acct_ctrl;
-
- switch (p->opnum) {
- case NDR_NETR_LOGONCONTROL:
- fn = "_netr_LogonControl";
- break;
- case NDR_NETR_LOGONCONTROL2:
- fn = "_netr_LogonControl2";
- break;
- case NDR_NETR_LOGONCONTROL2EX:
- fn = "_netr_LogonControl2Ex";
- break;
- default:
- return WERR_INVALID_PARAM;
- }
-
- acct_ctrl = p->server_info->info3->base.acct_flags;
-
- switch (r->in.function_code) {
- case NETLOGON_CONTROL_TC_VERIFY:
- case NETLOGON_CONTROL_CHANGE_PASSWORD:
- case NETLOGON_CONTROL_REDISCOVER:
- if ((geteuid() != sec_initial_uid()) &&
- !nt_token_check_domain_rid(p->server_info->security_token, DOMAIN_RID_ADMINS) &&
- !nt_token_check_sid(&global_sid_Builtin_Administrators, p->server_info->security_token) &&
- !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
- return WERR_ACCESS_DENIED;
- }
- break;
- default:
- break;
- }
-
- tc_status = WERR_NO_SUCH_DOMAIN;
-
- switch (r->in.function_code) {
- case NETLOGON_CONTROL_QUERY:
- tc_status = WERR_OK;
- break;
- case NETLOGON_CONTROL_REPLICATE:
- case NETLOGON_CONTROL_SYNCHRONIZE:
- case NETLOGON_CONTROL_PDC_REPLICATE:
- case NETLOGON_CONTROL_BACKUP_CHANGE_LOG:
- case NETLOGON_CONTROL_BREAKPOINT:
- if (acct_ctrl & ACB_NORMAL) {
- return WERR_NOT_SUPPORTED;
- } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
- return WERR_ACCESS_DENIED;
- } else {
- return WERR_ACCESS_DENIED;
- }
- case NETLOGON_CONTROL_TRUNCATE_LOG:
- if (acct_ctrl & ACB_NORMAL) {
- break;
- } else if (acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST)) {
- return WERR_ACCESS_DENIED;
- } else {
- return WERR_ACCESS_DENIED;
- }
-
- case NETLOGON_CONTROL_TRANSPORT_NOTIFY:
- case NETLOGON_CONTROL_FORCE_DNS_REG:
- case NETLOGON_CONTROL_QUERY_DNS_REG:
- return WERR_NOT_SUPPORTED;
- case NETLOGON_CONTROL_FIND_USER:
- if (!r->in.data || !r->in.data->user) {
- return WERR_NOT_SUPPORTED;
- }
- break;
- case NETLOGON_CONTROL_SET_DBFLAG:
- if (!r->in.data) {
- return WERR_NOT_SUPPORTED;
- }
- break;
- case NETLOGON_CONTROL_TC_VERIFY:
- if (!r->in.data || !r->in.data->domain) {
- return WERR_NOT_SUPPORTED;
- }
-
- if (!wb_check_trust_creds(r->in.data->domain, &tc_status)) {
- return WERR_NOT_SUPPORTED;
- }
- break;
- case NETLOGON_CONTROL_TC_QUERY:
- if (!r->in.data || !r->in.data->domain) {
- return WERR_NOT_SUPPORTED;
- }
-
- domain = r->in.data->domain;
-
- if (!is_trusted_domain(domain)) {
- break;
- }
-
- if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
- tc_status = WERR_NO_LOGON_SERVERS;
- break;
- }
-
- dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
- if (!dc_name) {
- return WERR_NOMEM;
- }
-
- tc_status = WERR_OK;
-
- break;
-
- case NETLOGON_CONTROL_REDISCOVER:
- if (!r->in.data || !r->in.data->domain) {
- return WERR_NOT_SUPPORTED;
- }
-
- domain = r->in.data->domain;
-
- if (!is_trusted_domain(domain)) {
- break;
- }
-
- if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
- tc_status = WERR_NO_LOGON_SERVERS;
- break;
- }
-
- dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
- if (!dc_name) {
- return WERR_NOMEM;
- }
-
- tc_status = WERR_OK;
-
- break;
-
- case NETLOGON_CONTROL_CHANGE_PASSWORD:
- if (!r->in.data || !r->in.data->domain) {
- return WERR_NOT_SUPPORTED;
- }
-
- if (!wb_change_trust_creds(r->in.data->domain, &tc_status)) {
- return WERR_NOT_SUPPORTED;
- }
- break;
-
- default:
- /* no idea what this should be */
- DEBUG(0,("%s: unimplemented function level [%d]\n",
- fn, r->in.function_code));
- return WERR_UNKNOWN_LEVEL;
- }
-
- /* prepare the response */
-
- switch (r->in.level) {
- case 1:
- info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
- W_ERROR_HAVE_NO_MEMORY(info1);
-
- info1->flags = flags;
- info1->pdc_connection_status = pdc_connection_status;
-
- r->out.query->info1 = info1;
- break;
- case 2:
- info2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_2);
- W_ERROR_HAVE_NO_MEMORY(info2);
-
- info2->flags = flags;
- info2->pdc_connection_status = pdc_connection_status;
- info2->trusted_dc_name = dc_name;
- info2->tc_connection_status = tc_status;
-
- r->out.query->info2 = info2;
- break;
- case 3:
- info3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_3);
- W_ERROR_HAVE_NO_MEMORY(info3);
-
- info3->flags = flags;
- info3->logon_attempts = logon_attempts;
-
- r->out.query->info3 = info3;
- break;
- case 4:
- info4 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_4);
- W_ERROR_HAVE_NO_MEMORY(info4);
-
- info4->trusted_dc_name = dc_name;
- info4->trusted_domain_name = r->in.data->domain;
-
- r->out.query->info4 = info4;
- break;
- default:
- return WERR_UNKNOWN_LEVEL;
- }
-
- if (lp_server_role() == ROLE_DOMAIN_BDC) {
- send_sync_message(p->msg_ctx);
- }
-
- return WERR_OK;
-}
-
-/*************************************************************************
- _netr_NetrEnumerateTrustedDomains
- *************************************************************************/
-
-NTSTATUS _netr_NetrEnumerateTrustedDomains(struct pipes_struct *p,
- struct netr_NetrEnumerateTrustedDomains *r)
-{
- NTSTATUS status;
- NTSTATUS result = NT_STATUS_OK;
- DATA_BLOB blob;
- int num_domains = 0;
- const char **trusted_domains = NULL;
- struct lsa_DomainList domain_list;
- struct dcerpc_binding_handle *h = NULL;
- struct policy_handle pol;
- uint32_t enum_ctx = 0;
- int i;
- uint32_t max_size = (uint32_t)-1;
-
- DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
-
- status = rpcint_binding_handle(p->mem_ctx,
- &ndr_table_lsarpc,
- p->client_id,
- p->server_info,
- p->msg_ctx,
- &h);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = dcerpc_lsa_open_policy2(h,
- p->mem_ctx,
- NULL,
- true,
- LSA_POLICY_VIEW_LOCAL_INFORMATION,
- &pol,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- do {
- /* Lookup list of trusted domains */
- status = dcerpc_lsa_EnumTrustDom(h,
- p->mem_ctx,
- &pol,
- &enum_ctx,
- &domain_list,
- max_size,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result) &&
- !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
- !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES)) {
- status = result;
- goto out;
- }
-
- for (i = 0; i < domain_list.count; i++) {
- if (!add_string_to_array(p->mem_ctx, domain_list.domains[i].name.string,
- &trusted_domains, &num_domains)) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
- }
- } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
-
- if (num_domains > 0) {
- /* multi sz terminate */
- trusted_domains = talloc_realloc(p->mem_ctx, trusted_domains, const char *, num_domains + 1);
- if (trusted_domains == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- trusted_domains[num_domains] = NULL;
- }
-
- if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
- TALLOC_FREE(trusted_domains);
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- r->out.trusted_domains_blob->data = blob.data;
- r->out.trusted_domains_blob->length = blob.length;
-
- DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
-
- status = NT_STATUS_OK;
-
- out:
- if (h && is_valid_policy_hnd(&pol)) {
- dcerpc_lsa_Close(h, p->mem_ctx, &pol, &result);
- }
-
- return status;
-}
-
-/*************************************************************************
- *************************************************************************/
-
-static NTSTATUS samr_find_machine_account(TALLOC_CTX *mem_ctx,
- struct dcerpc_binding_handle *b,
- const char *account_name,
- uint32_t access_mask,
- struct dom_sid2 **domain_sid_p,
- uint32_t *user_rid_p,
- struct policy_handle *user_handle)
-{
- NTSTATUS status;
- NTSTATUS result = NT_STATUS_OK;
- struct policy_handle connect_handle, domain_handle;
- struct lsa_String domain_name;
- struct dom_sid2 *domain_sid;
- struct lsa_String names;
- struct samr_Ids rids;
- struct samr_Ids types;
- uint32_t rid;
-
- status = dcerpc_samr_Connect2(b, mem_ctx,
- global_myname(),
- SAMR_ACCESS_CONNECT_TO_SERVER |
- SAMR_ACCESS_ENUM_DOMAINS |
- SAMR_ACCESS_LOOKUP_DOMAIN,
- &connect_handle,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- init_lsa_String(&domain_name, get_global_sam_name());
-
- status = dcerpc_samr_LookupDomain(b, mem_ctx,
- &connect_handle,
- &domain_name,
- &domain_sid,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- status = dcerpc_samr_OpenDomain(b, mem_ctx,
- &connect_handle,
- SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
- domain_sid,
- &domain_handle,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- init_lsa_String(&names, account_name);
-
- status = dcerpc_samr_LookupNames(b, mem_ctx,
- &domain_handle,
- 1,
- &names,
- &rids,
- &types,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- if (rids.count != 1) {
- status = NT_STATUS_NO_SUCH_USER;
- goto out;
- }
- if (rids.count != types.count) {
- status = NT_STATUS_INVALID_PARAMETER;
- goto out;
- }
- if (types.ids[0] != SID_NAME_USER) {
- status = NT_STATUS_NO_SUCH_USER;
- goto out;
- }
-
- rid = rids.ids[0];
-
- status = dcerpc_samr_OpenUser(b, mem_ctx,
- &domain_handle,
- access_mask,
- rid,
- user_handle,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- if (user_rid_p) {
- *user_rid_p = rid;
- }
-
- if (domain_sid_p) {
- *domain_sid_p = domain_sid;
- }
-
- out:
- if (b && is_valid_policy_hnd(&domain_handle)) {
- dcerpc_samr_Close(b, mem_ctx, &domain_handle, &result);
- }
- if (b && is_valid_policy_hnd(&connect_handle)) {
- dcerpc_samr_Close(b, mem_ctx, &connect_handle, &result);
- }
-
- return status;
-}
-
-/******************************************************************
- gets a machine password entry. checks access rights of the host.
- ******************************************************************/
-
-static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
- enum netr_SchannelType sec_chan_type,
- struct dom_sid *sid,
- struct messaging_context *msg_ctx)
-{
- NTSTATUS status;
- NTSTATUS result = NT_STATUS_OK;
- TALLOC_CTX *mem_ctx;
- struct dcerpc_binding_handle *h = NULL;
- static struct client_address client_id;
- struct policy_handle user_handle;
- uint32_t user_rid;
- struct dom_sid *domain_sid;
- uint32_t acct_ctrl;
- union samr_UserInfo *info;
- struct auth_serversupplied_info *server_info;
-#if 0
-
- /*
- * Currently this code is redundent as we already have a filter
- * by hostname list. What this code really needs to do is to
- * get a hosts allowed/hosts denied list from the SAM database
- * on a per user basis, and make the access decision there.
- * I will leave this code here for now as a reminder to implement
- * this at a later date. JRA.
- */
-
- if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
- p->client_id.name,
- p->client_id.addr)) {
- DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
- return False;
- }
-#endif /* 0 */
-
- mem_ctx = talloc_stackframe();
- if (mem_ctx == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- status = make_server_info_system(mem_ctx, &server_info);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- ZERO_STRUCT(user_handle);
-
- strlcpy(client_id.addr, "127.0.0.1", sizeof(client_id.addr));
- client_id.name = "127.0.0.1";
-
- status = rpcint_binding_handle(mem_ctx,
- &ndr_table_samr,
- &client_id,
- server_info,
- msg_ctx,
- &h);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- become_root();
- status = samr_find_machine_account(mem_ctx, h, mach_acct,
- SEC_FLAG_MAXIMUM_ALLOWED,
- &domain_sid, &user_rid,
- &user_handle);
- unbecome_root();
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = dcerpc_samr_QueryUserInfo2(h,
- mem_ctx,
- &user_handle,
- UserControlInformation,
- &info,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- acct_ctrl = info->info16.acct_flags;
-
- if (acct_ctrl & ACB_DISABLED) {
- DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct));
- status = NT_STATUS_ACCOUNT_DISABLED;
- goto out;
- }
-
- if (!(acct_ctrl & ACB_SVRTRUST) &&
- !(acct_ctrl & ACB_WSTRUST) &&
- !(acct_ctrl & ACB_DOMTRUST))
- {
- DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct));
- status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
- goto out;
- }
-
- switch (sec_chan_type) {
- case SEC_CHAN_BDC:
- if (!(acct_ctrl & ACB_SVRTRUST)) {
- DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested "
- "but not a server trust account\n", mach_acct));
- status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
- goto out;
- }
- break;
- case SEC_CHAN_WKSTA:
- if (!(acct_ctrl & ACB_WSTRUST)) {
- DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested "
- "but not a workstation trust account\n", mach_acct));
- status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
- goto out;
- }
- break;
- case SEC_CHAN_DOMAIN:
- if (!(acct_ctrl & ACB_DOMTRUST)) {
- DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested "
- "but not a interdomain trust account\n", mach_acct));
- status = NT_STATUS_NO_TRUST_SAM_ACCOUNT;
- goto out;
- }
- break;
- default:
- break;
- }
-
- become_root();
- status = dcerpc_samr_QueryUserInfo2(h,
- mem_ctx,
- &user_handle,
- UserInternal1Information,
- &info,
- &result);
- unbecome_root();
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- if (info->info18.nt_pwd_active == 0) {
- DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct));
- status = NT_STATUS_LOGON_FAILURE;
- goto out;
- }
-
- /* samr gives out nthash unencrypted (!) */
- memcpy(md4pw->hash, info->info18.nt_pwd.hash, 16);
-
- sid_compose(sid, domain_sid, user_rid);
-
- out:
- if (h && is_valid_policy_hnd(&user_handle)) {
- dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
- }
-
- talloc_free(mem_ctx);
-
- return status;
-}
-
-/*************************************************************************
- _netr_ServerReqChallenge
- *************************************************************************/
-
-NTSTATUS _netr_ServerReqChallenge(struct pipes_struct *p,
- struct netr_ServerReqChallenge *r)
-{
- struct netlogon_server_pipe_state *pipe_state =
- talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
-
- if (pipe_state) {
- DEBUG(10,("_netr_ServerReqChallenge: new challenge requested. Clearing old state.\n"));
- talloc_free(pipe_state);
- p->private_data = NULL;
- }
-
- pipe_state = talloc(p, struct netlogon_server_pipe_state);
- NT_STATUS_HAVE_NO_MEMORY(pipe_state);
-
- pipe_state->client_challenge = *r->in.credentials;
-
- generate_random_buffer(pipe_state->server_challenge.data,
- sizeof(pipe_state->server_challenge.data));
-
- *r->out.return_credentials = pipe_state->server_challenge;
-
- p->private_data = pipe_state;
-
- return NT_STATUS_OK;
-}
-
-/*************************************************************************
- _netr_ServerAuthenticate
- Create the initial credentials.
- *************************************************************************/
-
-NTSTATUS _netr_ServerAuthenticate(struct pipes_struct *p,
- struct netr_ServerAuthenticate *r)
-{
- struct netr_ServerAuthenticate3 a;
- uint32_t negotiate_flags = 0;
- uint32_t rid;
-
- a.in.server_name = r->in.server_name;
- a.in.account_name = r->in.account_name;
- a.in.secure_channel_type = r->in.secure_channel_type;
- a.in.computer_name = r->in.computer_name;
- a.in.credentials = r->in.credentials;
- a.in.negotiate_flags = &negotiate_flags;
-
- a.out.return_credentials = r->out.return_credentials;
- a.out.rid = &rid;
- a.out.negotiate_flags = &negotiate_flags;
-
- return _netr_ServerAuthenticate3(p, &a);
-
-}
-
-/*************************************************************************
- _netr_ServerAuthenticate3
- *************************************************************************/
-
-NTSTATUS _netr_ServerAuthenticate3(struct pipes_struct *p,
- struct netr_ServerAuthenticate3 *r)
-{
- NTSTATUS status;
- uint32_t srv_flgs;
- /* r->in.negotiate_flags is an aliased pointer to r->out.negotiate_flags,
- * so use a copy to avoid destroying the client values. */
- uint32_t in_neg_flags = *r->in.negotiate_flags;
- const char *fn;
- struct dom_sid sid;
- struct samr_Password mach_pwd;
- struct netlogon_creds_CredentialState *creds;
- struct netlogon_server_pipe_state *pipe_state =
- talloc_get_type(p->private_data, struct netlogon_server_pipe_state);
-
- /* According to Microsoft (see bugid #6099)
- * Windows 7 looks at the negotiate_flags
- * returned in this structure *even if the
- * call fails with access denied* ! So in order
- * to allow Win7 to connect to a Samba NT style
- * PDC we set the flags before we know if it's
- * an error or not.
- */
-
- /* 0x000001ff */
- srv_flgs = NETLOGON_NEG_ACCOUNT_LOCKOUT |
- NETLOGON_NEG_PERSISTENT_SAMREPL |
- NETLOGON_NEG_ARCFOUR |
- NETLOGON_NEG_PROMOTION_COUNT |
- NETLOGON_NEG_CHANGELOG_BDC |
- NETLOGON_NEG_FULL_SYNC_REPL |
- NETLOGON_NEG_MULTIPLE_SIDS |
- NETLOGON_NEG_REDO |
- NETLOGON_NEG_PASSWORD_CHANGE_REFUSAL |
- NETLOGON_NEG_PASSWORD_SET2;
-
- /* Ensure we support strong (128-bit) keys. */
- if (in_neg_flags & NETLOGON_NEG_STRONG_KEYS) {
- srv_flgs |= NETLOGON_NEG_STRONG_KEYS;
- }
-
- if (lp_server_schannel() != false) {
- srv_flgs |= NETLOGON_NEG_SCHANNEL;
- }
-
- switch (p->opnum) {
- case NDR_NETR_SERVERAUTHENTICATE:
- fn = "_netr_ServerAuthenticate";
- break;
- case NDR_NETR_SERVERAUTHENTICATE2:
- fn = "_netr_ServerAuthenticate2";
- break;
- case NDR_NETR_SERVERAUTHENTICATE3:
- fn = "_netr_ServerAuthenticate3";
- break;
- default:
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- /* We use this as the key to store the creds: */
- /* r->in.computer_name */
-
- if (!pipe_state) {
- DEBUG(0,("%s: no challenge sent to client %s\n", fn,
- r->in.computer_name));
- status = NT_STATUS_ACCESS_DENIED;
- goto out;
- }
-
- if ( (lp_server_schannel() == true) &&
- ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
-
- /* schannel must be used, but client did not offer it. */
- DEBUG(0,("%s: schannel required but client failed "
- "to offer it. Client was %s\n",
- fn, r->in.account_name));
- status = NT_STATUS_ACCESS_DENIED;
- goto out;
- }
-
- status = get_md4pw(&mach_pwd,
- r->in.account_name,
- r->in.secure_channel_type,
- &sid, p->msg_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("%s: failed to get machine password for "
- "account %s: %s\n",
- fn, r->in.account_name, nt_errstr(status) ));
- /* always return NT_STATUS_ACCESS_DENIED */
- status = NT_STATUS_ACCESS_DENIED;
- goto out;
- }
-
- /* From the client / server challenges and md4 password, generate sess key */
- /* Check client credentials are valid. */
- creds = netlogon_creds_server_init(p->mem_ctx,
- r->in.account_name,
- r->in.computer_name,
- r->in.secure_channel_type,
- &pipe_state->client_challenge,
- &pipe_state->server_challenge,
- &mach_pwd,
- r->in.credentials,
- r->out.return_credentials,
- *r->in.negotiate_flags);
- if (!creds) {
- DEBUG(0,("%s: netlogon_creds_server_check failed. Rejecting auth "
- "request from client %s machine account %s\n",
- fn, r->in.computer_name,
- r->in.account_name));
- status = NT_STATUS_ACCESS_DENIED;
- goto out;
- }
-
- creds->sid = dom_sid_dup(creds, &sid);
- if (!creds->sid) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- /* Store off the state so we can continue after client disconnect. */
- become_root();
- status = schannel_save_creds_state(p->mem_ctx, lp_private_dir(), creds);
- unbecome_root();
-
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- sid_peek_rid(&sid, r->out.rid);
-
- status = NT_STATUS_OK;
-
- out:
-
- *r->out.negotiate_flags = srv_flgs;
- return status;
-}
-
-/*************************************************************************
- _netr_ServerAuthenticate2
- *************************************************************************/
-
-NTSTATUS _netr_ServerAuthenticate2(struct pipes_struct *p,
- struct netr_ServerAuthenticate2 *r)
-{
- struct netr_ServerAuthenticate3 a;
- uint32_t rid;
-
- a.in.server_name = r->in.server_name;
- a.in.account_name = r->in.account_name;
- a.in.secure_channel_type = r->in.secure_channel_type;
- a.in.computer_name = r->in.computer_name;
- a.in.credentials = r->in.credentials;
- a.in.negotiate_flags = r->in.negotiate_flags;
-
- a.out.return_credentials = r->out.return_credentials;
- a.out.rid = &rid;
- a.out.negotiate_flags = r->out.negotiate_flags;
-
- return _netr_ServerAuthenticate3(p, &a);
-}
-
-/*************************************************************************
- * If schannel is required for this call test that it actually is available.
- *************************************************************************/
-static NTSTATUS schannel_check_required(struct pipe_auth_data *auth_info,
- const char *computer_name,
- bool integrity, bool privacy)
-{
- if (auth_info && auth_info->auth_type == DCERPC_AUTH_TYPE_SCHANNEL) {
- if (!privacy && !integrity) {
- return NT_STATUS_OK;
- }
-
- if ((!privacy && integrity) &&
- auth_info->auth_level == DCERPC_AUTH_LEVEL_INTEGRITY) {
- return NT_STATUS_OK;
- }
-
- if ((privacy || integrity) &&
- auth_info->auth_level == DCERPC_AUTH_LEVEL_PRIVACY) {
- return NT_STATUS_OK;
- }
- }
-
- /* test didn't pass */
- DEBUG(0, ("schannel_check_required: [%s] is not using schannel\n",
- computer_name));
-
- return NT_STATUS_ACCESS_DENIED;
-}
-
-/*************************************************************************
- *************************************************************************/
-
-static NTSTATUS netr_creds_server_step_check(struct pipes_struct *p,
- TALLOC_CTX *mem_ctx,
- const char *computer_name,
- struct netr_Authenticator *received_authenticator,
- struct netr_Authenticator *return_authenticator,
- struct netlogon_creds_CredentialState **creds_out)
-{
- NTSTATUS status;
- bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
-
- if (schannel_global_required) {
- status = schannel_check_required(&p->auth,
- computer_name,
- false, false);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- }
-
- status = schannel_check_creds_state(mem_ctx, lp_private_dir(),
- computer_name, received_authenticator,
- return_authenticator, creds_out);
-
- return status;
-}
-
-/*************************************************************************
- *************************************************************************/
-
-static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
- struct auth_serversupplied_info *server_info,
- struct messaging_context *msg_ctx,
- const char *account_name,
- struct samr_Password *nt_hash)
-{
- NTSTATUS status;
- NTSTATUS result = NT_STATUS_OK;
- struct dcerpc_binding_handle *h = NULL;
- static struct client_address client_id;
- struct policy_handle user_handle;
- uint32_t acct_ctrl;
- union samr_UserInfo *info;
- struct samr_UserInfo18 info18;
- DATA_BLOB in,out;
-
- ZERO_STRUCT(user_handle);
-
- strlcpy(client_id.addr, "127.0.0.1", sizeof(client_id.addr));
- client_id.name = "127.0.0.1";
-
- status = rpcint_binding_handle(mem_ctx,
- &ndr_table_samr,
- &client_id,
- server_info,
- msg_ctx,
- &h);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = samr_find_machine_account(mem_ctx,
- h,
- account_name,
- SEC_FLAG_MAXIMUM_ALLOWED,
- NULL,
- NULL,
- &user_handle);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- status = dcerpc_samr_QueryUserInfo2(h,
- mem_ctx,
- &user_handle,
- UserControlInformation,
- &info,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- acct_ctrl = info->info16.acct_flags;
-
- if (!(acct_ctrl & ACB_WSTRUST ||
- acct_ctrl & ACB_SVRTRUST ||
- acct_ctrl & ACB_DOMTRUST)) {
- status = NT_STATUS_NO_SUCH_USER;
- goto out;
- }
-
- if (acct_ctrl & ACB_DISABLED) {
- status = NT_STATUS_ACCOUNT_DISABLED;
- goto out;
- }
-
- ZERO_STRUCT(info18);
-
- in = data_blob_const(nt_hash->hash, 16);
- out = data_blob_talloc_zero(mem_ctx, 16);
- sess_crypt_blob(&out, &in, &server_info->user_session_key, true);
- memcpy(info18.nt_pwd.hash, out.data, out.length);
-
- info18.nt_pwd_active = true;
-
- info->info18 = info18;
-
- status = dcerpc_samr_SetUserInfo2(h,
- mem_ctx,
- &user_handle,
- UserInternal1Information,
- info,
- &result);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
- if (!NT_STATUS_IS_OK(result)) {
- status = result;
- goto out;
- }
-
- out:
- if (h && is_valid_policy_hnd(&user_handle)) {
- dcerpc_samr_Close(h, mem_ctx, &user_handle, &result);
- }
-
- return status;
-}
-
-/*************************************************************************
- _netr_ServerPasswordSet
- *************************************************************************/
-
-NTSTATUS _netr_ServerPasswordSet(struct pipes_struct *p,
- struct netr_ServerPasswordSet *r)
-{
- NTSTATUS status = NT_STATUS_OK;
- int i;
- struct netlogon_creds_CredentialState *creds;
-
- DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
-
- become_root();
- status = netr_creds_server_step_check(p, p->mem_ctx,
- r->in.computer_name,
- r->in.credential,
- r->out.return_authenticator,
- &creds);
- unbecome_root();
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- r->in.computer_name, creds->computer_name));
- TALLOC_FREE(creds);
- return status;
- }
-
- DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
- r->in.computer_name, creds->computer_name));
-
- netlogon_creds_des_decrypt(creds, r->in.new_password);
-
- DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
- for(i = 0; i < sizeof(r->in.new_password->hash); i++)
- DEBUG(100,("%02X ", r->in.new_password->hash[i]));
- DEBUG(100,("\n"));
-
- status = netr_set_machine_account_password(p->mem_ctx,
- p->server_info,
- p->msg_ctx,
- creds->account_name,
- r->in.new_password);
- return status;
-}
-
-/****************************************************************
- _netr_ServerPasswordSet2
-****************************************************************/
-
-NTSTATUS _netr_ServerPasswordSet2(struct pipes_struct *p,
- struct netr_ServerPasswordSet2 *r)
-{
- NTSTATUS status;
- struct netlogon_creds_CredentialState *creds;
- DATA_BLOB plaintext;
- struct samr_CryptPassword password_buf;
- struct samr_Password nt_hash;
-
- become_root();
- status = netr_creds_server_step_check(p, p->mem_ctx,
- r->in.computer_name,
- r->in.credential,
- r->out.return_authenticator,
- &creds);
- unbecome_root();
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(2,("_netr_ServerPasswordSet2: netlogon_creds_server_step "
- "failed. Rejecting auth request from client %s machine account %s\n",
- r->in.computer_name, creds->computer_name));
- TALLOC_FREE(creds);
- return status;
- }
-
- memcpy(password_buf.data, r->in.new_password->data, 512);
- SIVAL(password_buf.data, 512, r->in.new_password->length);
- netlogon_creds_arcfour_crypt(creds, password_buf.data, 516);
-
- if (!extract_pw_from_buffer(p->mem_ctx, password_buf.data, &plaintext)) {
- return NT_STATUS_WRONG_PASSWORD;
- }
-
- mdfour(nt_hash.hash, plaintext.data, plaintext.length);
-
- status = netr_set_machine_account_password(p->mem_ctx,
- p->server_info,
- p->msg_ctx,
- creds->account_name,
- &nt_hash);
- return status;
-}
-
-/*************************************************************************
- _netr_LogonSamLogoff
- *************************************************************************/
-
-NTSTATUS _netr_LogonSamLogoff(struct pipes_struct *p,
- struct netr_LogonSamLogoff *r)
-{
- NTSTATUS status;
- struct netlogon_creds_CredentialState *creds;
-
- become_root();
- status = netr_creds_server_step_check(p, p->mem_ctx,
- r->in.computer_name,
- r->in.credential,
- r->out.return_authenticator,
- &creds);
- unbecome_root();
-
- return status;
-}
-
-static NTSTATUS _netr_LogonSamLogon_check(const struct netr_LogonSamLogonEx *r)
-{
- switch (r->in.logon_level) {
- case NetlogonInteractiveInformation:
- case NetlogonServiceInformation:
- case NetlogonInteractiveTransitiveInformation:
- case NetlogonServiceTransitiveInformation:
- if (r->in.logon->password == NULL) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- switch (r->in.validation_level) {
- case NetlogonValidationSamInfo: /* 2 */
- case NetlogonValidationSamInfo2: /* 3 */
- break;
- case NetlogonValidationSamInfo4: /* 6 */
- if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
- DEBUG(10,("Not adding validation info level 6 "
- "without ADS passdb backend\n"));
- return NT_STATUS_INVALID_INFO_CLASS;
- }
- break;
- default:
- return NT_STATUS_INVALID_INFO_CLASS;
- }
-
- break;
- case NetlogonNetworkInformation:
- case NetlogonNetworkTransitiveInformation:
- if (r->in.logon->network == NULL) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- switch (r->in.validation_level) {
- case NetlogonValidationSamInfo: /* 2 */
- case NetlogonValidationSamInfo2: /* 3 */
- break;
- case NetlogonValidationSamInfo4: /* 6 */
- if ((pdb_capabilities() & PDB_CAP_ADS) == 0) {
- DEBUG(10,("Not adding validation info level 6 "
- "without ADS passdb backend\n"));
- return NT_STATUS_INVALID_INFO_CLASS;
- }
- break;
- default:
- return NT_STATUS_INVALID_INFO_CLASS;
- }
-
- break;
-
- case NetlogonGenericInformation:
- if (r->in.logon->generic == NULL) {
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- /* we don't support this here */
- return NT_STATUS_INVALID_PARAMETER;
-#if 0
- switch (r->in.validation_level) {
- /* TODO: case NetlogonValidationGenericInfo: 4 */
- case NetlogonValidationGenericInfo2: /* 5 */
- break;
- default:
- return NT_STATUS_INVALID_INFO_CLASS;
- }
-
- break;
-#endif
- default:
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- return NT_STATUS_OK;
-}
-
-/*************************************************************************
- _netr_LogonSamLogon_base
- *************************************************************************/
-
-static NTSTATUS _netr_LogonSamLogon_base(struct pipes_struct *p,
- struct netr_LogonSamLogonEx *r,
- struct netlogon_creds_CredentialState *creds)
-{
- NTSTATUS status = NT_STATUS_OK;
- union netr_LogonLevel *logon = r->in.logon;
- const char *nt_username, *nt_domain, *nt_workstation;
- struct auth_usersupplied_info *user_info = NULL;
- struct auth_serversupplied_info *server_info = NULL;
- struct auth_context *auth_context = NULL;
- uint8_t pipe_session_key[16];
- bool process_creds = true;
- const char *fn;
-
- switch (p->opnum) {
- case NDR_NETR_LOGONSAMLOGON:
- process_creds = true;
- fn = "_netr_LogonSamLogon";
- break;
- case NDR_NETR_LOGONSAMLOGONWITHFLAGS:
- process_creds = true;
- fn = "_netr_LogonSamLogonWithFlags";
- break;
- case NDR_NETR_LOGONSAMLOGONEX:
- process_creds = false;
- fn = "_netr_LogonSamLogonEx";
- break;
- default:
- return NT_STATUS_INTERNAL_ERROR;
- }
-
- *r->out.authoritative = true; /* authoritative response */
-
- switch (r->in.validation_level) {
- case 2:
- r->out.validation->sam2 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo2);
- if (!r->out.validation->sam2) {
- return NT_STATUS_NO_MEMORY;
- }
- break;
- case 3:
- r->out.validation->sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
- if (!r->out.validation->sam3) {
- return NT_STATUS_NO_MEMORY;
- }
- break;
- case 6:
- r->out.validation->sam6 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo6);
- if (!r->out.validation->sam6) {
- return NT_STATUS_NO_MEMORY;
- }
- break;
- default:
- DEBUG(0,("%s: bad validation_level value %d.\n",
- fn, (int)r->in.validation_level));
- return NT_STATUS_INVALID_INFO_CLASS;
- }
-
- switch (r->in.logon_level) {
- case NetlogonInteractiveInformation:
- case NetlogonServiceInformation:
- case NetlogonInteractiveTransitiveInformation:
- case NetlogonServiceTransitiveInformation:
- nt_username = logon->password->identity_info.account_name.string ?
- logon->password->identity_info.account_name.string : "";
- nt_domain = logon->password->identity_info.domain_name.string ?
- logon->password->identity_info.domain_name.string : "";
- nt_workstation = logon->password->identity_info.workstation.string ?
- logon->password->identity_info.workstation.string : "";
-
- DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
- break;
- case NetlogonNetworkInformation:
- case NetlogonNetworkTransitiveInformation:
- nt_username = logon->network->identity_info.account_name.string ?
- logon->network->identity_info.account_name.string : "";
- nt_domain = logon->network->identity_info.domain_name.string ?
- logon->network->identity_info.domain_name.string : "";
- nt_workstation = logon->network->identity_info.workstation.string ?
- logon->network->identity_info.workstation.string : "";
-
- DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
- break;
- default:
- DEBUG(2,("SAM Logon: unsupported switch value\n"));
- return NT_STATUS_INVALID_INFO_CLASS;
- } /* end switch */
-
- DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, nt_workstation, nt_domain));
- fstrcpy(current_user_info.smb_name, nt_username);
- sub_set_smb_name(nt_username);
-
- DEBUG(5,("Attempting validation level %d for unmapped username %s.\n",
- r->in.validation_level, nt_username));
-
- status = NT_STATUS_OK;
-
- switch (r->in.logon_level) {
- case NetlogonNetworkInformation:
- case NetlogonNetworkTransitiveInformation:
- {
- const char *wksname = nt_workstation;
-
- status = make_auth_context_fixed(talloc_tos(), &auth_context,
- logon->network->challenge);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* For a network logon, the workstation name comes in with two
- * backslashes in the front. Strip them if they are there. */
-
- if (*wksname == '\\') wksname++;
- if (*wksname == '\\') wksname++;
-
- /* Standard challenge/response authentication */
- if (!make_user_info_netlogon_network(&user_info,
- nt_username, nt_domain,
- wksname,
- logon->network->identity_info.parameter_control,
- logon->network->lm.data,
- logon->network->lm.length,
- logon->network->nt.data,
- logon->network->nt.length)) {
- status = NT_STATUS_NO_MEMORY;
- }
- break;
- }
- case NetlogonInteractiveInformation:
- case NetlogonServiceInformation:
- case NetlogonInteractiveTransitiveInformation:
- case NetlogonServiceTransitiveInformation:
-
- /* 'Interactive' authentication, supplies the password in its
- MD4 form, encrypted with the session key. We will convert
- this to challenge/response for the auth subsystem to chew
- on */
- {
- uint8_t chal[8];
-
- status = make_auth_context_subsystem(talloc_tos(),
- &auth_context);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- auth_context->get_ntlm_challenge(auth_context, chal);
-
- if (!make_user_info_netlogon_interactive(&user_info,
- nt_username, nt_domain,
- nt_workstation,
- logon->password->identity_info.parameter_control,
- chal,
- logon->password->lmpassword.hash,
- logon->password->ntpassword.hash,
- creds->session_key)) {
- status = NT_STATUS_NO_MEMORY;
- }
- break;
- }
- default:
- DEBUG(2,("SAM Logon: unsupported switch value\n"));
- return NT_STATUS_INVALID_INFO_CLASS;
- } /* end switch */
-
- if ( NT_STATUS_IS_OK(status) ) {
- status = auth_context->check_ntlm_password(auth_context,
- user_info, &server_info);
- }
-
- TALLOC_FREE(auth_context);
- free_user_info(&user_info);
-
- DEBUG(5,("%s: check_password returned status %s\n",
- fn, nt_errstr(status)));
-
- /* Check account and password */
-
- if (!NT_STATUS_IS_OK(status)) {
- /* If we don't know what this domain is, we need to
- indicate that we are not authoritative. This
- allows the client to decide if it needs to try
- a local user. Fix by jpjanosi@us.ibm.com, #2976 */
- if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
- && !strequal(nt_domain, get_global_sam_name())
- && !is_trusted_domain(nt_domain) )
- *r->out.authoritative = false; /* We are not authoritative */
-
- TALLOC_FREE(server_info);
- return status;
- }
-
- if (server_info->guest) {
- /* We don't like guest domain logons... */
- DEBUG(5,("%s: Attempted domain logon as GUEST "
- "denied.\n", fn));
- TALLOC_FREE(server_info);
- return NT_STATUS_LOGON_FAILURE;
- }
-
- /* This is the point at which, if the login was successful, that
- the SAM Local Security Authority should record that the user is
- logged in to the domain. */
-
- if (process_creds) {
- /* Get the pipe session key from the creds. */
- memcpy(pipe_session_key, creds->session_key, 16);
- } else {
- struct schannel_state *schannel_auth;
- /* Get the pipe session key from the schannel. */
- if ((p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL)
- || (p->auth.auth_ctx == NULL)) {
- return NT_STATUS_INVALID_HANDLE;
- }
-
- schannel_auth = talloc_get_type_abort(p->auth.auth_ctx,
- struct schannel_state);
- memcpy(pipe_session_key, schannel_auth->creds->session_key, 16);
- }
-
- switch (r->in.validation_level) {
- case 2:
- status = serverinfo_to_SamInfo2(server_info, pipe_session_key, 16,
- r->out.validation->sam2);
- break;
- case 3:
- status = serverinfo_to_SamInfo3(server_info, pipe_session_key, 16,
- r->out.validation->sam3);
- break;
- case 6:
- status = serverinfo_to_SamInfo6(server_info, pipe_session_key, 16,
- r->out.validation->sam6);
- break;
- }
-
- TALLOC_FREE(server_info);
-
- return status;
-}
-
-/****************************************************************
- _netr_LogonSamLogonWithFlags
-****************************************************************/
-
-NTSTATUS _netr_LogonSamLogonWithFlags(struct pipes_struct *p,
- struct netr_LogonSamLogonWithFlags *r)
-{
- NTSTATUS status;
- struct netlogon_creds_CredentialState *creds;
- struct netr_LogonSamLogonEx r2;
- struct netr_Authenticator return_authenticator;
-
- *r->out.authoritative = true;
-
- r2.in.server_name = r->in.server_name;
- r2.in.computer_name = r->in.computer_name;
- r2.in.logon_level = r->in.logon_level;
- r2.in.logon = r->in.logon;
- r2.in.validation_level = r->in.validation_level;
- r2.in.flags = r->in.flags;
- r2.out.validation = r->out.validation;
- r2.out.authoritative = r->out.authoritative;
- r2.out.flags = r->out.flags;
-
- status = _netr_LogonSamLogon_check(&r2);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- become_root();
- status = netr_creds_server_step_check(p, p->mem_ctx,
- r->in.computer_name,
- r->in.credential,
- &return_authenticator,
- &creds);
- unbecome_root();
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = _netr_LogonSamLogon_base(p, &r2, creds);
-
- *r->out.return_authenticator = return_authenticator;
-
- return status;
-}
-
-/*************************************************************************
- _netr_LogonSamLogon
- *************************************************************************/
-
-NTSTATUS _netr_LogonSamLogon(struct pipes_struct *p,
- struct netr_LogonSamLogon *r)
-{
- NTSTATUS status;
- struct netr_LogonSamLogonWithFlags r2;
- uint32_t flags = 0;
-
- r2.in.server_name = r->in.server_name;
- r2.in.computer_name = r->in.computer_name;
- r2.in.credential = r->in.credential;
- r2.in.logon_level = r->in.logon_level;
- r2.in.logon = r->in.logon;
- r2.in.validation_level = r->in.validation_level;
- r2.in.return_authenticator = r->in.return_authenticator;
- r2.in.flags = &flags;
- r2.out.validation = r->out.validation;
- r2.out.authoritative = r->out.authoritative;
- r2.out.flags = &flags;
- r2.out.return_authenticator = r->out.return_authenticator;
-
- status = _netr_LogonSamLogonWithFlags(p, &r2);
-
- return status;
-}
-
-/*************************************************************************
- _netr_LogonSamLogonEx
- - no credential chaining. Map into net sam logon.
- *************************************************************************/
-
-NTSTATUS _netr_LogonSamLogonEx(struct pipes_struct *p,
- struct netr_LogonSamLogonEx *r)
-{
- NTSTATUS status;
- struct netlogon_creds_CredentialState *creds = NULL;
-
- *r->out.authoritative = true;
-
- status = _netr_LogonSamLogon_check(r);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* Only allow this if the pipe is protected. */
- if (p->auth.auth_type != DCERPC_AUTH_TYPE_SCHANNEL) {
- DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
- get_remote_machine_name() ));
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- become_root();
- status = schannel_get_creds_state(p->mem_ctx, lp_private_dir(),
- r->in.computer_name, &creds);
- unbecome_root();
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- status = _netr_LogonSamLogon_base(p, r, creds);
- TALLOC_FREE(creds);
-
- return status;
-}
-
-/*************************************************************************
- _ds_enum_dom_trusts
- *************************************************************************/
-#if 0 /* JERRY -- not correct */
- NTSTATUS _ds_enum_dom_trusts(struct pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
- DS_R_ENUM_DOM_TRUSTS *r_u)
-{
- NTSTATUS status = NT_STATUS_OK;
-
- /* TODO: According to MSDN, the can only be executed against a
- DC or domain member running Windows 2000 or later. Need
- to test against a standalone 2k server and see what it
- does. A windows 2000 DC includes its own domain in the
- list. --jerry */
-
- return status;
-}
-#endif /* JERRY */
-
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_LogonUasLogon(struct pipes_struct *p,
- struct netr_LogonUasLogon *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_LogonUasLogoff(struct pipes_struct *p,
- struct netr_LogonUasLogoff *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_DatabaseDeltas(struct pipes_struct *p,
- struct netr_DatabaseDeltas *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_DatabaseSync(struct pipes_struct *p,
- struct netr_DatabaseSync *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_AccountDeltas(struct pipes_struct *p,
- struct netr_AccountDeltas *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_AccountSync(struct pipes_struct *p,
- struct netr_AccountSync *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-static bool wb_getdcname(TALLOC_CTX *mem_ctx,
- const char *domain,
- const char **dcname,
- uint32_t flags,
- WERROR *werr)
-{
- wbcErr result;
- struct wbcDomainControllerInfo *dc_info = NULL;
-
- result = wbcLookupDomainController(domain,
- flags,
- &dc_info);
- switch (result) {
- case WBC_ERR_SUCCESS:
- break;
- case WBC_ERR_WINBIND_NOT_AVAILABLE:
- return false;
- case WBC_ERR_DOMAIN_NOT_FOUND:
- *werr = WERR_NO_SUCH_DOMAIN;
- return true;
- default:
- *werr = WERR_DOMAIN_CONTROLLER_NOT_FOUND;
- return true;
- }
-
- *dcname = talloc_strdup(mem_ctx, dc_info->dc_name);
- wbcFreeMemory(dc_info);
- if (!*dcname) {
- *werr = WERR_NOMEM;
- return false;
- }
-
- *werr = WERR_OK;
-
- return true;
-}
-
-/****************************************************************
- _netr_GetDcName
-****************************************************************/
-
-WERROR _netr_GetDcName(struct pipes_struct *p,
- struct netr_GetDcName *r)
-{
- NTSTATUS status;
- WERROR werr;
- uint32_t flags;
- struct netr_DsRGetDCNameInfo *info;
- bool ret;
-
- ret = wb_getdcname(p->mem_ctx,
- r->in.domainname,
- r->out.dcname,
- WBC_LOOKUP_DC_IS_FLAT_NAME |
- WBC_LOOKUP_DC_RETURN_FLAT_NAME |
- WBC_LOOKUP_DC_PDC_REQUIRED,
- &werr);
- if (ret == true) {
- return werr;
- }
-
- flags = DS_PDC_REQUIRED | DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
-
- status = dsgetdcname(p->mem_ctx,
- p->msg_ctx,
- r->in.domainname,
- NULL,
- NULL,
- flags,
- &info);
- if (!NT_STATUS_IS_OK(status)) {
- return ntstatus_to_werror(status);
- }
-
- *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
- talloc_free(info);
- if (!*r->out.dcname) {
- return WERR_NOMEM;
- }
-
- return WERR_OK;
-}
-
-/****************************************************************
- _netr_GetAnyDCName
-****************************************************************/
-
-WERROR _netr_GetAnyDCName(struct pipes_struct *p,
- struct netr_GetAnyDCName *r)
-{
- NTSTATUS status;
- WERROR werr;
- uint32_t flags;
- struct netr_DsRGetDCNameInfo *info;
- bool ret;
-
- ret = wb_getdcname(p->mem_ctx,
- r->in.domainname,
- r->out.dcname,
- WBC_LOOKUP_DC_IS_FLAT_NAME |
- WBC_LOOKUP_DC_RETURN_FLAT_NAME,
- &werr);
- if (ret == true) {
- return werr;
- }
-
- flags = DS_IS_FLAT_NAME | DS_RETURN_FLAT_NAME;
-
- status = dsgetdcname(p->mem_ctx,
- p->msg_ctx,
- r->in.domainname,
- NULL,
- NULL,
- flags,
- &info);
- if (!NT_STATUS_IS_OK(status)) {
- return ntstatus_to_werror(status);
- }
-
- *r->out.dcname = talloc_strdup(p->mem_ctx, info->dc_unc);
- talloc_free(info);
- if (!*r->out.dcname) {
- return WERR_NOMEM;
- }
-
- return WERR_OK;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_DatabaseSync2(struct pipes_struct *p,
- struct netr_DatabaseSync2 *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_DatabaseRedo(struct pipes_struct *p,
- struct netr_DatabaseRedo *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRGetDCName(struct pipes_struct *p,
- struct netr_DsRGetDCName *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_LogonGetCapabilities(struct pipes_struct *p,
- struct netr_LogonGetCapabilities *r)
-{
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NETRLOGONSETSERVICEBITS(struct pipes_struct *p,
- struct netr_NETRLOGONSETSERVICEBITS *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_LogonGetTrustRid(struct pipes_struct *p,
- struct netr_LogonGetTrustRid *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(struct pipes_struct *p,
- struct netr_NETRLOGONCOMPUTESERVERDIGEST *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(struct pipes_struct *p,
- struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRGetDCNameEx(struct pipes_struct *p,
- struct netr_DsRGetDCNameEx *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRGetSiteName(struct pipes_struct *p,
- struct netr_DsRGetSiteName *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_LogonGetDomainInfo(struct pipes_struct *p,
- struct netr_LogonGetDomainInfo *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_ServerPasswordGet(struct pipes_struct *p,
- struct netr_ServerPasswordGet *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NETRLOGONSENDTOSAM(struct pipes_struct *p,
- struct netr_NETRLOGONSENDTOSAM *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRAddressToSitenamesW(struct pipes_struct *p,
- struct netr_DsRAddressToSitenamesW *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRGetDCNameEx2(struct pipes_struct *p,
- struct netr_DsRGetDCNameEx2 *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(struct pipes_struct *p,
- struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_NetrEnumerateTrustedDomainsEx(struct pipes_struct *p,
- struct netr_NetrEnumerateTrustedDomainsEx *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRAddressToSitenamesExW(struct pipes_struct *p,
- struct netr_DsRAddressToSitenamesExW *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsrGetDcSiteCoverageW(struct pipes_struct *p,
- struct netr_DsrGetDcSiteCoverageW *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsrEnumerateDomainTrusts(struct pipes_struct *p,
- struct netr_DsrEnumerateDomainTrusts *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsrDeregisterDNSHostRecords(struct pipes_struct *p,
- struct netr_DsrDeregisterDNSHostRecords *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_ServerTrustPasswordsGet(struct pipes_struct *p,
- struct netr_ServerTrustPasswordsGet *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-WERROR _netr_DsRGetForestTrustInformation(struct pipes_struct *p,
- struct netr_DsRGetForestTrustInformation *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_GetForestTrustInformation(struct pipes_struct *p,
- struct netr_GetForestTrustInformation *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_ServerGetTrustInfo(struct pipes_struct *p,
- struct netr_ServerGetTrustInfo *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_Unused47(struct pipes_struct *p,
- struct netr_Unused47 *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_DsrUpdateReadOnlyServerDnsRecords(struct pipes_struct *p,
- struct netr_DsrUpdateReadOnlyServerDnsRecords *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
git.samba.org / ira / wip.git / blobdiff