diff options
Diffstat (limited to 'source3/rpc_server/netlogon/srv_netlog_nt.c')
| -rw-r--r-- | source3/rpc_server/netlogon/srv_netlog_nt.c | 2215 |
1 files changed, 2215 insertions, 0 deletions
diff --git a/source3/rpc_server/netlogon/srv_netlog_nt.c b/source3/rpc_server/netlogon/srv_netlog_nt.c new file mode 100644 index 0000000000..b55c74adfc --- /dev/null +++ b/source3/rpc_server/netlogon/srv_netlog_nt.c @@ -0,0 +1,2215 @@ +/* + * 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; +} |