* Copyright (C) Paul Ashton 1997.
* Copyright (C) Jeremy Allison 1998-2001.
* Copyright (C) Andrew Bartlett 2001.
- * Copyright (C) Guenther Deschner 2008.
+ * 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
/* This is the implementation of the netlogon pipe. */
#include "includes.h"
+#include "../libcli/auth/schannel.h"
+#include "../librpc/gen_ndr/srv_netlogon.h"
extern userdom_struct current_user_info;
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
-/*************************************************************************
- init_net_r_req_chal:
- *************************************************************************/
-
-static void init_net_r_req_chal(struct netr_Credential *r,
- struct netr_Credential *srv_chal)
-{
- DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
-
- memcpy(r->data, srv_chal->data, sizeof(r->data));
-}
-
-/*******************************************************************
- Inits a netr_NETLOGON_INFO_1 structure.
-********************************************************************/
-
-static void init_netlogon_info1(struct netr_NETLOGON_INFO_1 *r,
- uint32_t flags,
- uint32_t pdc_connection_status)
-{
- r->flags = flags;
- r->pdc_connection_status = pdc_connection_status;
-}
-
-/*******************************************************************
- Inits a netr_NETLOGON_INFO_2 structure.
-********************************************************************/
-
-static void init_netlogon_info2(struct netr_NETLOGON_INFO_2 *r,
- uint32_t flags,
- uint32_t pdc_connection_status,
- const char *trusted_dc_name,
- uint32_t tc_connection_status)
-{
- r->flags = flags;
- r->pdc_connection_status = pdc_connection_status;
- r->trusted_dc_name = trusted_dc_name;
- r->tc_connection_status = tc_connection_status;
-}
-
-/*******************************************************************
- Inits a netr_NETLOGON_INFO_3 structure.
-********************************************************************/
-
-static void init_netlogon_info3(struct netr_NETLOGON_INFO_3 *r,
- uint32_t flags,
- uint32_t logon_attempts)
-{
- r->flags = flags;
- r->logon_attempts = logon_attempts;
-}
+struct netlogon_server_pipe_state {
+ struct netr_Credential client_challenge;
+ struct netr_Credential server_challenge;
+};
/*************************************************************************
_netr_LogonControl
WERROR _netr_LogonControl(pipes_struct *p,
struct netr_LogonControl *r)
{
- struct netr_NETLOGON_INFO_1 *info1;
- uint32_t flags = 0x0;
- uint32_t pdc_connection_status = W_ERROR_V(WERR_OK);
-
- /* Setup the Logon Control response */
+ struct netr_LogonControl2Ex l;
switch (r->in.level) {
- case 1:
- info1 = TALLOC_ZERO_P(p->mem_ctx, struct netr_NETLOGON_INFO_1);
- if (!info1) {
- return WERR_NOMEM;
- }
- init_netlogon_info1(info1,
- flags,
- pdc_connection_status);
- r->out.info->info1 = info1;
- break;
- default:
- return WERR_UNKNOWN_LEVEL;
+ case 1:
+ break;
+ case 2:
+ return WERR_NOT_SUPPORTED;
+ default:
+ return WERR_UNKNOWN_LEVEL;
}
- return WERR_OK;
+ 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);
}
/****************************************************************************
WERROR _netr_LogonControl2(pipes_struct *p,
struct netr_LogonControl2 *r)
{
- uint32 flags = 0x0;
- uint32 pdc_connection_status = 0x0;
- uint32 logon_attempts = 0x0;
- uint32 tc_status;
+ 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(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;
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;
- tc_status = W_ERROR_V(WERR_NO_SUCH_DOMAIN);
+ switch (p->hdr_req.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 = pdb_get_acct_ctrl(p->server_info->sam_account);
switch (r->in.function_code) {
- case NETLOGON_CONTROL_TC_QUERY:
- domain = r->in.data->domain;
+ 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->ptok, DOMAIN_RID_ADMINS) &&
+ !nt_token_check_sid(&global_sid_Builtin_Administrators, p->server_info->ptok) &&
+ !(acct_ctrl & (ACB_WSTRUST | ACB_SVRTRUST))) {
+ return WERR_ACCESS_DENIED;
+ }
+ break;
+ default:
+ break;
+ }
- if ( !is_trusted_domain( domain ) )
- break;
+ tc_status = WERR_NO_SUCH_DOMAIN;
- if ( !get_dc_name( domain, NULL, dc_name2, &dc_ss ) ) {
- tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS);
- break;
- }
+ 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;
+ }
- dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
- if (!dc_name) {
- return WERR_NOMEM;
- }
+ 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;
+ }
- tc_status = W_ERROR_V(WERR_OK);
+ domain = r->in.data->domain;
+ if (!is_trusted_domain(domain)) {
break;
+ }
- case NETLOGON_CONTROL_REDISCOVER:
- domain = r->in.data->domain;
+ if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
+ tc_status = WERR_NO_LOGON_SERVERS;
+ break;
+ }
- if ( !is_trusted_domain( domain ) )
- break;
+ dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
+ if (!dc_name) {
+ return WERR_NOMEM;
+ }
- if ( !get_dc_name( domain, NULL, dc_name2, &dc_ss ) ) {
- tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS);
- break;
- }
+ tc_status = WERR_OK;
- dc_name = talloc_asprintf(p->mem_ctx, "\\\\%s", dc_name2);
- if (!dc_name) {
- return WERR_NOMEM;
- }
+ break;
+
+ case NETLOGON_CONTROL_REDISCOVER:
+ if (!r->in.data || !r->in.data->domain) {
+ return WERR_NOT_SUPPORTED;
+ }
+
+ domain = r->in.data->domain;
- tc_status = W_ERROR_V(WERR_OK);
+ if (!is_trusted_domain(domain)) {
+ break;
+ }
+ if (!get_dc_name(domain, NULL, dc_name2, &dc_ss)) {
+ tc_status = WERR_NO_LOGON_SERVERS;
break;
+ }
- default:
- /* no idea what this should be */
- DEBUG(0,("_netr_LogonControl2: unimplemented function level [%d]\n",
- r->in.function_code));
- return WERR_UNKNOWN_LEVEL;
+ 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);
-
- init_netlogon_info1(info1,
- flags,
- 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);
-
- init_netlogon_info2(info2,
- flags,
- pdc_connection_status,
- dc_name,
- 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);
-
- init_netlogon_info3(info3,
- flags,
- logon_attempts);
- r->out.query->info3 = info3;
- break;
- default:
- return WERR_UNKNOWN_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) {
WERROR _netr_NetrEnumerateTrustedDomains(pipes_struct *p,
struct netr_NetrEnumerateTrustedDomains *r)
{
- struct netr_Blob trusted_domains_blob;
+ NTSTATUS status;
DATA_BLOB blob;
+ struct trustdom_info **domains;
+ uint32_t num_domains;
+ const char **trusted_domains;
+ int i;
DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
/* set up the Trusted Domain List response */
- blob = data_blob_talloc_zero(p->mem_ctx, 2);
- trusted_domains_blob.data = blob.data;
- trusted_domains_blob.length = blob.length;
+ become_root();
+ status = pdb_enum_trusteddoms(p->mem_ctx, &num_domains, &domains);
+ unbecome_root();
- DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
+ if (!NT_STATUS_IS_OK(status)) {
+ return ntstatus_to_werror(status);
+ }
- *r->out.trusted_domains_blob = trusted_domains_blob;
+ trusted_domains = talloc_zero_array(p->mem_ctx, const char *, num_domains + 1);
+ if (!trusted_domains) {
+ return WERR_NOMEM;
+ }
+
+ for (i = 0; i < num_domains; i++) {
+ trusted_domains[i] = talloc_strdup(trusted_domains, domains[i]->name);
+ if (!trusted_domains[i]) {
+ TALLOC_FREE(trusted_domains);
+ return WERR_NOMEM;
+ }
+ }
+
+ if (!push_reg_multi_sz(trusted_domains, &blob, trusted_domains)) {
+ TALLOC_FREE(trusted_domains);
+ return WERR_NOMEM;
+ }
+
+ r->out.trusted_domains_blob->data = blob.data;
+ r->out.trusted_domains_blob->length = blob.length;
+
+ DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__));
return WERR_OK;
}
gets a machine password entry. checks access rights of the host.
******************************************************************/
-static NTSTATUS get_md4pw(char *md4pw, const char *mach_acct, uint16 sec_chan_type)
+static NTSTATUS get_md4pw(struct samr_Password *md4pw, const char *mach_acct,
+ enum netr_SchannelType sec_chan_type, struct dom_sid *sid)
{
struct samu *sampass = NULL;
const uint8 *pass;
return NT_STATUS_LOGON_FAILURE;
}
- memcpy(md4pw, pass, 16);
- dump_data(5, (uint8 *)md4pw, 16);
+ memcpy(md4pw->hash, pass, 16);
+ dump_data(5, md4pw->hash, 16);
+
+ sid_copy(sid, pdb_get_user_sid(sampass));
TALLOC_FREE(sampass);
NTSTATUS _netr_ServerReqChallenge(pipes_struct *p,
struct netr_ServerReqChallenge *r)
{
- if (!p->dc) {
- p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
- if (!p->dc) {
- return NT_STATUS_NO_MEMORY;
- }
- } else {
+ 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"));
- ZERO_STRUCTP(p->dc);
+ talloc_free(pipe_state);
+ p->private_data = NULL;
}
- fstrcpy(p->dc->remote_machine, r->in.computer_name);
+ pipe_state = talloc(p, struct netlogon_server_pipe_state);
+ NT_STATUS_HAVE_NO_MEMORY(pipe_state);
- /* Save the client challenge to the server. */
- memcpy(p->dc->clnt_chal.data, r->in.credentials->data,
- sizeof(r->in.credentials->data));
+ pipe_state->client_challenge = *r->in.credentials;
- /* Create a server challenge for the client */
- /* Set this to a random value. */
- generate_random_buffer(p->dc->srv_chal.data, 8);
+ generate_random_buffer(pipe_state->server_challenge.data,
+ sizeof(pipe_state->server_challenge.data));
- /* set up the LSA REQUEST CHALLENGE response */
- init_net_r_req_chal(r->out.return_credentials, &p->dc->srv_chal);
+ *r->out.return_credentials = pipe_state->server_challenge;
- p->dc->challenge_sent = True;
+ p->private_data = pipe_state;
return NT_STATUS_OK;
}
NTSTATUS _netr_ServerAuthenticate(pipes_struct *p,
struct netr_ServerAuthenticate *r)
{
- NTSTATUS status;
- struct netr_Credential srv_chal_out;
-
- if (!p->dc || !p->dc->challenge_sent) {
- return NT_STATUS_ACCESS_DENIED;
- }
-
- status = get_md4pw((char *)p->dc->mach_pw,
- r->in.account_name,
- r->in.secure_channel_type);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("_netr_ServerAuthenticate: get_md4pw failed. Failed to "
- "get password for machine account %s "
- "from client %s: %s\n",
- r->in.account_name,
- r->in.computer_name,
- nt_errstr(status) ));
- /* always return NT_STATUS_ACCESS_DENIED */
- return NT_STATUS_ACCESS_DENIED;
- }
+ struct netr_ServerAuthenticate3 a;
+ uint32_t negotiate_flags = 0;
+ uint32_t rid;
- /* From the client / server challenges and md4 password, generate sess key */
- creds_server_init(0, /* No neg flags. */
- p->dc,
- &p->dc->clnt_chal, /* Stored client chal. */
- &p->dc->srv_chal, /* Stored server chal. */
- p->dc->mach_pw,
- &srv_chal_out);
-
- /* Check client credentials are valid. */
- if (!netlogon_creds_server_check(p->dc, r->in.credentials)) {
- DEBUG(0,("_netr_ServerAuthenticate: netlogon_creds_server_check failed. Rejecting auth "
- "request from client %s machine account %s\n",
- r->in.computer_name,
- r->in.account_name));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- fstrcpy(p->dc->mach_acct, r->in.account_name);
- fstrcpy(p->dc->remote_machine, r->in.computer_name);
- p->dc->authenticated = True;
+ 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;
- /* set up the LSA AUTH response */
- /* Return the server credentials. */
+ a.out.return_credentials = r->out.return_credentials;
+ a.out.rid = &rid;
+ a.out.negotiate_flags = &negotiate_flags;
- memcpy(r->out.return_credentials->data, &srv_chal_out.data,
- sizeof(r->out.return_credentials->data));
+ return _netr_ServerAuthenticate3(p, &a);
- return NT_STATUS_OK;
}
/*************************************************************************
- _netr_ServerAuthenticate2
+ _netr_ServerAuthenticate3
*************************************************************************/
-NTSTATUS _netr_ServerAuthenticate2(pipes_struct *p,
- struct netr_ServerAuthenticate2 *r)
+NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p,
+ struct netr_ServerAuthenticate3 *r)
{
NTSTATUS status;
uint32_t srv_flgs;
- struct netr_Credential srv_chal_out;
+ /* 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->hdr_req.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 (!p->dc || !p->dc->challenge_sent) {
- DEBUG(0,("_netr_ServerAuthenticate2: no challenge sent to client %s\n",
+ if (!pipe_state) {
+ DEBUG(0,("%s: no challenge sent to client %s\n", fn,
r->in.computer_name));
- return NT_STATUS_ACCESS_DENIED;
+ status = NT_STATUS_ACCESS_DENIED;
+ goto out;
}
if ( (lp_server_schannel() == true) &&
- ((*r->in.negotiate_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
+ ((in_neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
/* schannel must be used, but client did not offer it. */
- DEBUG(0,("_netr_ServerAuthenticate2: schannel required but client failed "
+ DEBUG(0,("%s: schannel required but client failed "
"to offer it. Client was %s\n",
- r->in.account_name));
- return NT_STATUS_ACCESS_DENIED;
+ fn, r->in.account_name));
+ status = NT_STATUS_ACCESS_DENIED;
+ goto out;
}
- status = get_md4pw((char *)p->dc->mach_pw,
+ status = get_md4pw(&mach_pwd,
r->in.account_name,
- r->in.secure_channel_type);
+ r->in.secure_channel_type,
+ &sid);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("_netr_ServerAuthenticate2: failed to get machine password for "
+ DEBUG(0,("%s: failed to get machine password for "
"account %s: %s\n",
- r->in.account_name, nt_errstr(status) ));
+ fn, r->in.account_name, nt_errstr(status) ));
/* always return NT_STATUS_ACCESS_DENIED */
- return NT_STATUS_ACCESS_DENIED;
+ status = NT_STATUS_ACCESS_DENIED;
+ goto out;
}
/* From the client / server challenges and md4 password, generate sess key */
- creds_server_init(*r->in.negotiate_flags,
- p->dc,
- &p->dc->clnt_chal, /* Stored client chal. */
- &p->dc->srv_chal, /* Stored server chal. */
- p->dc->mach_pw,
- &srv_chal_out);
-
/* Check client credentials are valid. */
- if (!netlogon_creds_server_check(p->dc, r->in.credentials)) {
- DEBUG(0,("_netr_ServerAuthenticate2: netlogon_creds_server_check failed. Rejecting auth "
+ 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",
- r->in.computer_name,
+ fn, r->in.computer_name,
r->in.account_name));
- return NT_STATUS_ACCESS_DENIED;
+ status = NT_STATUS_ACCESS_DENIED;
+ goto out;
}
- srv_flgs = 0x000001ff;
-
- if (lp_server_schannel() != false) {
- srv_flgs |= NETLOGON_NEG_SCHANNEL;
+ creds->sid = sid_dup_talloc(creds, &sid);
+ if (!creds->sid) {
+ status = NT_STATUS_NO_MEMORY;
+ goto out;
}
- /* set up the LSA AUTH 2 response */
- memcpy(r->out.return_credentials->data, &srv_chal_out.data,
- sizeof(r->out.return_credentials->data));
- *r->out.negotiate_flags = srv_flgs;
-
- fstrcpy(p->dc->mach_acct, r->in.account_name);
- fstrcpy(p->dc->remote_machine, r->in.computer_name);
- fstrcpy(p->dc->domain, lp_workgroup() );
-
- p->dc->authenticated = True;
-
/* Store off the state so we can continue after client disconnect. */
become_root();
- secrets_store_schannel_session_info(p->mem_ctx,
- r->in.computer_name,
- p->dc);
+ status = schannel_store_session_key(p->mem_ctx, creds);
unbecome_root();
- return NT_STATUS_OK;
+ 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_ServerPasswordSet
+ _netr_ServerAuthenticate2
*************************************************************************/
-NTSTATUS _netr_ServerPasswordSet(pipes_struct *p,
- struct netr_ServerPasswordSet *r)
+NTSTATUS _netr_ServerAuthenticate2(pipes_struct *p,
+ struct netr_ServerAuthenticate2 *r)
{
- NTSTATUS status = NT_STATUS_OK;
- fstring remote_machine;
- struct samu *sampass=NULL;
- bool ret = False;
- unsigned char pwd[16];
- int i;
- uint32 acct_ctrl;
- struct netr_Authenticator cred_out;
- const uchar *old_pw;
+ struct netr_ServerAuthenticate3 a;
+ uint32_t rid;
- DEBUG(5,("_netr_ServerPasswordSet: %d\n", __LINE__));
+ 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;
- /* We need the remote machine name for the creds lookup. */
- fstrcpy(remote_machine, r->in.computer_name);
+ a.out.return_credentials = r->out.return_credentials;
+ a.out.rid = &rid;
+ a.out.negotiate_flags = r->out.negotiate_flags;
- if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
- /* 'server schannel = yes' should enforce use of
- schannel, the client did offer it in auth2, but
- obviously did not use it. */
- DEBUG(0,("_netr_ServerPasswordSet: client %s not using schannel for netlogon\n",
- remote_machine ));
+ return _netr_ServerAuthenticate3(p, &a);
+}
+
+/*************************************************************************
+ *************************************************************************/
+
+static NTSTATUS netr_creds_server_step_check(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;
+ struct tdb_context *tdb;
+ bool schannel_global_required = (lp_server_schannel() == true) ? true:false;
+ bool schannel_in_use = (p->auth.auth_type == PIPE_AUTH_TYPE_SCHANNEL) ? true:false; /* &&
+ (p->auth.auth_level == DCERPC_AUTH_LEVEL_INTEGRITY ||
+ p->auth.auth_level == DCERPC_AUTH_LEVEL_PRIVACY); */
+
+ tdb = open_schannel_session_store(mem_ctx);
+ if (!tdb) {
return NT_STATUS_ACCESS_DENIED;
}
- if (!p->dc) {
- /* Restore the saved state of the netlogon creds. */
- become_root();
- ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
- remote_machine,
- &p->dc);
- unbecome_root();
- if (!ret) {
- return NT_STATUS_INVALID_HANDLE;
- }
- }
+ status = schannel_creds_server_step_check_tdb(tdb, mem_ctx,
+ computer_name,
+ schannel_global_required,
+ schannel_in_use,
+ received_authenticator,
+ return_authenticator,
+ creds_out);
+ tdb_close(tdb);
- if (!p->dc || !p->dc->authenticated) {
- return NT_STATUS_INVALID_HANDLE;
- }
+ return status;
+}
- DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
- remote_machine, p->dc->mach_acct));
+/*************************************************************************
+ *************************************************************************/
- /* Step the creds chain forward. */
- if (!netlogon_creds_server_step(p->dc, r->in.credential, &cred_out)) {
- DEBUG(2,("_netr_ServerPasswordSet: netlogon_creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- remote_machine, p->dc->mach_acct ));
- return NT_STATUS_INVALID_PARAMETER;
- }
+static NTSTATUS netr_find_machine_account(TALLOC_CTX *mem_ctx,
+ const char *account_name,
+ struct samu **sampassp)
+{
+ struct samu *sampass;
+ bool ret = false;
+ uint32_t acct_ctrl;
- /* We must store the creds state after an update. */
- sampass = samu_new( NULL );
+ sampass = samu_new(mem_ctx);
if (!sampass) {
return NT_STATUS_NO_MEMORY;
}
become_root();
- secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
- remote_machine,
- p->dc);
- ret = pdb_getsampwnam(sampass, p->dc->mach_acct);
+ ret = pdb_getsampwnam(sampass, account_name);
unbecome_root();
if (!ret) {
acct_ctrl = pdb_get_acct_ctrl(sampass);
- if (!(acct_ctrl & ACB_WSTRUST ||
- acct_ctrl & ACB_SVRTRUST ||
- acct_ctrl & ACB_DOMTRUST)) {
- TALLOC_FREE(sampass);
- return NT_STATUS_NO_SUCH_USER;
+ if (!(acct_ctrl & ACB_WSTRUST ||
+ acct_ctrl & ACB_SVRTRUST ||
+ acct_ctrl & ACB_DOMTRUST)) {
+ TALLOC_FREE(sampass);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (acct_ctrl & ACB_DISABLED) {
+ TALLOC_FREE(sampass);
+ return NT_STATUS_ACCOUNT_DISABLED;
+ }
+
+ *sampassp = sampass;
+
+ return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ *************************************************************************/
+
+static NTSTATUS netr_set_machine_account_password(TALLOC_CTX *mem_ctx,
+ struct samu *sampass,
+ DATA_BLOB *plaintext_blob,
+ struct samr_Password *nt_hash,
+ struct samr_Password *lm_hash)
+{
+ NTSTATUS status;
+ const uchar *old_pw;
+ const char *plaintext = NULL;
+ size_t plaintext_len;
+ struct samr_Password nt_hash_local;
+
+ if (!sampass) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (plaintext_blob) {
+ if (!convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX,
+ plaintext_blob->data, plaintext_blob->length,
+ &plaintext, &plaintext_len, false))
+ {
+ plaintext = NULL;
+ mdfour(nt_hash_local.hash, plaintext_blob->data, plaintext_blob->length);
+ nt_hash = &nt_hash_local;
+ }
+ }
+
+ if (plaintext) {
+ if (!pdb_set_plaintext_passwd(sampass, plaintext)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ goto done;
+ }
+
+ if (nt_hash) {
+ old_pw = pdb_get_nt_passwd(sampass);
+
+ if (old_pw && memcmp(nt_hash->hash, old_pw, 16) == 0) {
+ /* Avoid backend modificiations and other fun if the
+ client changed the password to the *same thing* */
+ } else {
+ /* LM password should be NULL for machines */
+ if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ if (!pdb_set_nt_passwd(sampass, nt_hash->hash, PDB_CHANGED)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
+ /* Not quite sure what this one qualifies as, but this will do */
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+ }
+ }
+
+ done:
+ become_root();
+ status = pdb_update_sam_account(sampass);
+ unbecome_root();
+
+ return status;
+}
+
+/*************************************************************************
+ _netr_ServerPasswordSet
+ *************************************************************************/
+
+NTSTATUS _netr_ServerPasswordSet(pipes_struct *p,
+ struct netr_ServerPasswordSet *r)
+{
+ NTSTATUS status = NT_STATUS_OK;
+ struct samu *sampass=NULL;
+ 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;
}
- if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
- TALLOC_FREE(sampass);
- return NT_STATUS_ACCOUNT_DISABLED;
- }
+ DEBUG(3,("_netr_ServerPasswordSet: Server Password Set by remote machine:[%s] on account [%s]\n",
+ r->in.computer_name, creds->computer_name));
- /* Woah - what does this to to the credential chain ? JRA */
- cred_hash3(pwd, r->in.new_password->hash, p->dc->sess_key, 0);
+ netlogon_creds_des_decrypt(creds, r->in.new_password);
DEBUG(100,("_netr_ServerPasswordSet: new given value was :\n"));
- for(i = 0; i < sizeof(pwd); i++)
- DEBUG(100,("%02X ", pwd[i]));
+ for(i = 0; i < sizeof(r->in.new_password->hash); i++)
+ DEBUG(100,("%02X ", r->in.new_password->hash[i]));
DEBUG(100,("\n"));
- old_pw = pdb_get_nt_passwd(sampass);
+ status = netr_find_machine_account(p->mem_ctx,
+ creds->account_name,
+ &sampass);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
- if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
- /* Avoid backend modificiations and other fun if the
- client changed the password to the *same thing* */
+ status = netr_set_machine_account_password(sampass,
+ sampass,
+ NULL,
+ r->in.new_password,
+ NULL);
+ TALLOC_FREE(sampass);
+ return status;
+}
- ret = True;
- } else {
+/****************************************************************
+ _netr_ServerPasswordSet2
+****************************************************************/
- /* LM password should be NULL for machines */
- if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
- TALLOC_FREE(sampass);
- return NT_STATUS_NO_MEMORY;
- }
+NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p,
+ struct netr_ServerPasswordSet2 *r)
+{
+ NTSTATUS status;
+ struct netlogon_creds_CredentialState *creds;
+ struct samu *sampass;
+ DATA_BLOB plaintext;
+ struct samr_CryptPassword password_buf;
+ struct samr_Password nt_hash;
- if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
- TALLOC_FREE(sampass);
- return NT_STATUS_NO_MEMORY;
- }
+ 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 (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) {
- TALLOC_FREE(sampass);
- /* Not quite sure what this one qualifies as, but this will do */
- return NT_STATUS_UNSUCCESSFUL;
- }
+ 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;
+ }
- become_root();
- status = pdb_update_sam_account(sampass);
- unbecome_root();
+ 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;
}
- /* set up the LSA Server Password Set response */
+ mdfour(nt_hash.hash, plaintext.data, plaintext.length);
- memcpy(r->out.return_authenticator, &cred_out,
- sizeof(r->out.return_authenticator));
+ status = netr_find_machine_account(p->mem_ctx,
+ creds->account_name,
+ &sampass);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ status = netr_set_machine_account_password(sampass,
+ sampass,
+ NULL,
+ &nt_hash,
+ NULL);
TALLOC_FREE(sampass);
return status;
}
NTSTATUS _netr_LogonSamLogoff(pipes_struct *p,
struct netr_LogonSamLogoff *r)
{
- if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
- /* 'server schannel = yes' should enforce use of
- schannel, the client did offer it in auth2, but
- obviously did not use it. */
- DEBUG(0,("_netr_LogonSamLogoff: client %s not using schannel for netlogon\n",
- get_remote_machine_name() ));
- return NT_STATUS_ACCESS_DENIED;
- }
-
-
- if (!get_valid_user_struct(p->vuid))
- return NT_STATUS_NO_SUCH_USER;
-
- /* Using the remote machine name for the creds store: */
- /* r->in.computer_name */
-
- if (!p->dc) {
- /* Restore the saved state of the netlogon creds. */
- bool ret;
-
- become_root();
- ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
- r->in.computer_name,
- &p->dc);
- unbecome_root();
- if (!ret) {
- return NT_STATUS_INVALID_HANDLE;
- }
- }
-
- if (!p->dc || !p->dc->authenticated) {
- return NT_STATUS_INVALID_HANDLE;
- }
-
- /* checks and updates credentials. creates reply credentials */
- if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
- DEBUG(2,("_netr_LogonSamLogoff: netlogon_creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- r->in.computer_name, p->dc->mach_acct ));
- return NT_STATUS_INVALID_PARAMETER;
- }
+ NTSTATUS status;
+ struct netlogon_creds_CredentialState *creds;
- /* We must store the creds state after an update. */
become_root();
- secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
- r->in.computer_name,
- p->dc);
+ 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 NT_STATUS_OK;
-}
-
-/*******************************************************************
- gets a domain user's groups from their already-calculated NT_USER_TOKEN
- ********************************************************************/
-
-static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx,
- const DOM_SID *domain_sid,
- size_t num_sids,
- const DOM_SID *sids,
- int *numgroups, DOM_GID **pgids)
-{
- int i;
-
- *numgroups=0;
- *pgids = NULL;
-
- for (i=0; i<num_sids; i++) {
- DOM_GID gid;
- if (!sid_peek_check_rid(domain_sid, &sids[i], &gid.g_rid)) {
- continue;
- }
- gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
- SE_GROUP_ENABLED);
- ADD_TO_ARRAY(mem_ctx, DOM_GID, gid, pgids, numgroups);
- if (*pgids == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- }
- return NT_STATUS_OK;
+ return status;
}
/*************************************************************************
- _netr_LogonSamLogon
+ _netr_LogonSamLogon_base
*************************************************************************/
-NTSTATUS _netr_LogonSamLogon(pipes_struct *p,
- struct netr_LogonSamLogon *r)
+static NTSTATUS _netr_LogonSamLogon_base(pipes_struct *p,
+ struct netr_LogonSamLogonEx *r,
+ struct netlogon_creds_CredentialState *creds)
{
NTSTATUS status = NT_STATUS_OK;
- struct netr_SamInfo3 *sam3 = NULL;
- union netr_LogonInfo *logon = r->in.logon;
- fstring nt_username, nt_domain, nt_workstation;
- auth_usersupplied_info *user_info = NULL;
- auth_serversupplied_info *server_info = NULL;
- struct samu *sampw;
+ 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->hdr_req.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:
- default:
process_creds = false;
+ fn = "_netr_LogonSamLogonEx";
+ break;
+ default:
+ return NT_STATUS_INTERNAL_ERROR;
}
- if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
- /* 'server schannel = yes' should enforce use of
- schannel, the client did offer it in auth2, but
- obviously did not use it. */
- DEBUG(0,("_netr_LogonSamLogon: client %s not using schannel for netlogon\n",
- get_remote_machine_name() ));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- sam3 = TALLOC_ZERO_P(p->mem_ctx, struct netr_SamInfo3);
- if (!sam3) {
- return NT_STATUS_NO_MEMORY;
- }
-
- /* store the user information, if there is any. */
- r->out.validation->sam3 = sam3;
*r->out.authoritative = true; /* authoritative response */
- if (r->in.validation_level != 2 && r->in.validation_level != 3) {
- DEBUG(0,("_netr_LogonSamLogon: bad validation_level value %d.\n",
- (int)r->in.validation_level));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- if (!get_valid_user_struct(p->vuid))
- return NT_STATUS_NO_SUCH_USER;
- if (process_creds) {
- fstring remote_machine;
-
- /* Get the remote machine name for the creds store. */
- /* Note this is the remote machine this request is coming from (member server),
- not neccessarily the workstation name the user is logging onto.
- */
-
- fstrcpy(remote_machine, r->in.computer_name);
-
- if (!p->dc) {
- /* Restore the saved state of the netlogon creds. */
- bool ret;
-
- become_root();
- ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx,
- remote_machine,
- &p->dc);
- unbecome_root();
- if (!ret) {
- return NT_STATUS_INVALID_HANDLE;
- }
+ 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;
}
-
- if (!p->dc || !p->dc->authenticated) {
- return NT_STATUS_INVALID_HANDLE;
+ 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;
}
-
- /* checks and updates credentials. creates reply credentials */
- if (!netlogon_creds_server_step(p->dc, r->in.credential, r->out.return_authenticator)) {
- DEBUG(2,("_netr_LogonSamLogon: creds_server_step failed. Rejecting auth "
- "request from client %s machine account %s\n",
- remote_machine, p->dc->mach_acct ));
- return NT_STATUS_INVALID_PARAMETER;
+ 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;
}
-
- /* We must store the creds state after an update. */
- become_root();
- secrets_store_schannel_session_info(p->pipe_state_mem_ctx,
- remote_machine,
- p->dc);
- unbecome_root();
+ 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 INTERACTIVE_LOGON_TYPE:
- fstrcpy(nt_username,
- logon->password->identity_info.account_name.string);
- fstrcpy(nt_domain,
- logon->password->identity_info.domain_name.string);
- fstrcpy(nt_workstation,
- logon->password->identity_info.workstation.string);
+ case NetlogonInteractiveInformation:
+ case NetlogonServiceInformation:
+ case NetlogonInteractiveTransitiveInformation:
+ case NetlogonServiceTransitiveInformation:
+ nt_username = logon->password->identity_info.account_name.string;
+ nt_domain = logon->password->identity_info.domain_name.string;
+ nt_workstation = logon->password->identity_info.workstation.string;
DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
break;
- case NET_LOGON_TYPE:
- fstrcpy(nt_username,
- logon->network->identity_info.account_name.string);
- fstrcpy(nt_domain,
- logon->network->identity_info.domain_name.string);
- fstrcpy(nt_workstation,
- logon->network->identity_info.workstation.string);
+ case NetlogonNetworkInformation:
+ case NetlogonNetworkTransitiveInformation:
+ nt_username = logon->network->identity_info.account_name.string;
+ nt_domain = logon->network->identity_info.domain_name.string;
+ nt_workstation = logon->network->identity_info.workstation.string;
DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
break;
status = NT_STATUS_OK;
switch (r->in.logon_level) {
- case NET_LOGON_TYPE:
+ case NetlogonNetworkInformation:
+ case NetlogonNetworkTransitiveInformation:
{
const char *wksname = nt_workstation;
}
break;
}
- case INTERACTIVE_LOGON_TYPE:
+ 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 */
{
- const uint8 *chal;
+ uint8_t chal[8];
if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
return status;
}
- chal = auth_context->get_ntlm_challenge(auth_context);
+ auth_context->get_ntlm_challenge(auth_context, chal);
if (!make_user_info_netlogon_interactive(&user_info,
nt_username, nt_domain,
chal,
logon->password->lmpassword.hash,
logon->password->ntpassword.hash,
- p->dc->sess_key)) {
+ creds->session_key)) {
status = NT_STATUS_NO_MEMORY;
}
break;
(auth_context->free)(&auth_context);
free_user_info(&user_info);
- DEBUG(5,("_netr_LogonSamLogon: check_password returned status %s\n",
- nt_errstr(status)));
+ DEBUG(5,("%s: check_password returned status %s\n",
+ fn, nt_errstr(status)));
/* Check account and password */
if (server_info->guest) {
/* We don't like guest domain logons... */
- DEBUG(5,("_netr_LogonSamLogon: Attempted domain logon as GUEST "
- "denied.\n"));
+ DEBUG(5,("%s: Attempted domain logon as GUEST "
+ "denied.\n", fn));
TALLOC_FREE(server_info);
return NT_STATUS_LOGON_FAILURE;
}
the SAM Local Security Authority should record that the user is
logged in to the domain. */
- {
- DOM_GID *gids = NULL;
- const DOM_SID *user_sid = NULL;
- const DOM_SID *group_sid = NULL;
- DOM_SID domain_sid;
- uint32 user_rid, group_rid;
-
- int num_gids = 0;
- const char *my_name;
-
- struct netr_UserSessionKey user_session_key;
- struct netr_LMSessionKey lm_session_key;
- unsigned char pipe_session_key[16];
-
- NTTIME last_logon, last_logoff, acct_expiry, last_password_change;
- NTTIME allow_password_change, force_password_change;
- struct samr_RidWithAttributeArray groups;
- int i;
- struct dom_sid2 *sid = NULL;
-
- ZERO_STRUCT(user_session_key);
- ZERO_STRUCT(lm_session_key);
+ if (process_creds) {
+ /* Get the pipe session key from the creds. */
+ memcpy(pipe_session_key, creds->session_key, 16);
+ } else {
+ /* Get the pipe session key from the schannel. */
+ if ((p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL)
+ || (p->auth.a_u.schannel_auth == NULL)) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+ memcpy(pipe_session_key, p->auth.a_u.schannel_auth->creds->session_key, 16);
+ }
- sampw = server_info->sam_account;
+ 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;
+ }
- user_sid = pdb_get_user_sid(sampw);
- group_sid = pdb_get_group_sid(sampw);
+ TALLOC_FREE(server_info);
- if ((user_sid == NULL) || (group_sid == NULL)) {
- DEBUG(1, ("_netr_LogonSamLogon: User without group or user SID\n"));
- return NT_STATUS_UNSUCCESSFUL;
- }
+ return status;
+}
- sid_copy(&domain_sid, user_sid);
- sid_split_rid(&domain_sid, &user_rid);
+/****************************************************************
+ _netr_LogonSamLogonWithFlags
+****************************************************************/
- sid = sid_dup_talloc(p->mem_ctx, &domain_sid);
- if (!sid) {
- return NT_STATUS_NO_MEMORY;
- }
+NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
+ struct netr_LogonSamLogonWithFlags *r)
+{
+ NTSTATUS status;
+ struct netlogon_creds_CredentialState *creds;
+ struct netr_LogonSamLogonEx r2;
+ struct netr_Authenticator return_authenticator;
- if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
- DEBUG(1, ("_netr_LogonSamLogon: user %s\\%s has user sid "
- "%s\n but group sid %s.\n"
- "The conflicting domain portions are not "
- "supported for NETLOGON calls\n",
- pdb_get_domain(sampw),
- pdb_get_username(sampw),
- sid_string_dbg(user_sid),
- sid_string_dbg(group_sid)));
- return NT_STATUS_UNSUCCESSFUL;
- }
+ 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;
+ }
- if(server_info->login_server) {
- my_name = server_info->login_server;
- } else {
- my_name = global_myname();
- }
+ 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 = nt_token_to_group_list(p->mem_ctx, &domain_sid,
- server_info->num_sids,
- server_info->sids,
- &num_gids, &gids);
+ status = _netr_LogonSamLogon_base(p, &r2, creds);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+ *r->out.return_authenticator = return_authenticator;
- if (server_info->user_session_key.length) {
- memcpy(user_session_key.key,
- server_info->user_session_key.data,
- MIN(sizeof(user_session_key.key),
- server_info->user_session_key.length));
- if (process_creds) {
- /* Get the pipe session key from the creds. */
- memcpy(pipe_session_key, p->dc->sess_key, 16);
- } else {
- /* Get the pipe session key from the schannel. */
- if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
- return NT_STATUS_INVALID_HANDLE;
- }
- memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
- }
- SamOEMhash(user_session_key.key, pipe_session_key, 16);
- memset(pipe_session_key, '\0', 16);
- }
- if (server_info->lm_session_key.length) {
- memcpy(lm_session_key.key,
- server_info->lm_session_key.data,
- MIN(sizeof(lm_session_key.key),
- server_info->lm_session_key.length));
- if (process_creds) {
- /* Get the pipe session key from the creds. */
- memcpy(pipe_session_key, p->dc->sess_key, 16);
- } else {
- /* Get the pipe session key from the schannel. */
- if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) {
- return NT_STATUS_INVALID_HANDLE;
- }
- memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16);
- }
- SamOEMhash(lm_session_key.key, pipe_session_key, 16);
- memset(pipe_session_key, '\0', 16);
- }
+ return status;
+}
- groups.count = num_gids;
- groups.rids = TALLOC_ARRAY(p->mem_ctx, struct samr_RidWithAttribute,
- groups.count);
- if (!groups.rids) {
- return NT_STATUS_NO_MEMORY;
- }
+/*************************************************************************
+ _netr_LogonSamLogon
+ *************************************************************************/
- for (i=0; i < groups.count; i++) {
- groups.rids[i].rid = gids[i].g_rid;
- groups.rids[i].attributes = gids[i].attr;
- }
+NTSTATUS _netr_LogonSamLogon(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);
- unix_to_nt_time(&last_logon, pdb_get_logon_time(sampw));
- unix_to_nt_time(&last_logoff, get_time_t_max());
- unix_to_nt_time(&acct_expiry, get_time_t_max());
- unix_to_nt_time(&last_password_change, pdb_get_pass_last_set_time(sampw));
- unix_to_nt_time(&allow_password_change, pdb_get_pass_can_change_time(sampw));
- unix_to_nt_time(&force_password_change, pdb_get_pass_must_change_time(sampw));
-
- init_netr_SamInfo3(sam3,
- last_logon,
- last_logoff,
- acct_expiry,
- last_password_change,
- allow_password_change,
- force_password_change,
- talloc_strdup(p->mem_ctx, pdb_get_username(sampw)),
- talloc_strdup(p->mem_ctx, pdb_get_fullname(sampw)),
- talloc_strdup(p->mem_ctx, pdb_get_logon_script(sampw)),
- talloc_strdup(p->mem_ctx, pdb_get_profile_path(sampw)),
- talloc_strdup(p->mem_ctx, pdb_get_homedir(sampw)),
- talloc_strdup(p->mem_ctx, pdb_get_dir_drive(sampw)),
- 0, /* logon_count */
- 0, /* bad_password_count */
- user_rid,
- group_rid,
- groups,
- NETLOGON_EXTRA_SIDS,
- user_session_key,
- my_name,
- talloc_strdup(p->mem_ctx, pdb_get_domain(sampw)),
- sid,
- lm_session_key,
- pdb_get_acct_ctrl(sampw),
- 0, /* sidcount */
- NULL); /* struct netr_SidAttr *sids */
- ZERO_STRUCT(user_session_key);
- ZERO_STRUCT(lm_session_key);
- }
- TALLOC_FREE(server_info);
return status;
}
NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p,
struct netr_LogonSamLogonEx *r)
{
- struct netr_LogonSamLogon q;
+ NTSTATUS status;
+ struct netlogon_creds_CredentialState *creds = NULL;
+
+ become_root();
+ status = schannel_fetch_session_key(p->mem_ctx, r->in.computer_name, &creds);
+ unbecome_root();
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
/* Only allow this if the pipe is protected. */
if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
- DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n",
+ DEBUG(0,("_netr_LogonSamLogonEx: client %s not using schannel for netlogon\n",
get_remote_machine_name() ));
return NT_STATUS_INVALID_PARAMETER;
}
- q.in.server_name = r->in.server_name;
- q.in.computer_name = r->in.computer_name;
- q.in.logon_level = r->in.logon_level;
- q.in.logon = r->in.logon;
- q.in.validation_level = r->in.validation_level;
- /* we do not handle the flags */
- /* = r->in.flags; */
+ status = _netr_LogonSamLogon_base(p, r, creds);
+ TALLOC_FREE(creds);
- q.out.validation = r->out.validation;
- q.out.authoritative = r->out.authoritative;
- /* we do not handle the flags */
- /* = r->out.flags; */
-
- return _netr_LogonSamLogon(p, &q);
+ return status;
}
/*************************************************************************
/****************************************************************
****************************************************************/
+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(pipes_struct *p,
struct netr_GetDcName *r)
{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
+ 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,
+ smbd_messaging_context(),
+ 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(pipes_struct *p,
struct netr_GetAnyDCName *r)
{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
+ 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,
+ smbd_messaging_context(),
+ 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;
}
/****************************************************************
/****************************************************************
****************************************************************/
-WERROR _netr_LogonControl2Ex(pipes_struct *p,
- struct netr_LogonControl2Ex *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
WERROR _netr_DsRGetDCName(pipes_struct *p,
struct netr_DsRGetDCName *r)
{
/****************************************************************
****************************************************************/
-WERROR _netr_NETRLOGONDUMMYROUTINE1(pipes_struct *p,
- struct netr_NETRLOGONDUMMYROUTINE1 *r)
+NTSTATUS _netr_LogonGetCapabilities(pipes_struct *p,
+ struct netr_LogonGetCapabilities *r)
{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
+ return NT_STATUS_NOT_IMPLEMENTED;
}
/****************************************************************
/****************************************************************
****************************************************************/
-NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p,
- struct netr_ServerAuthenticate3 *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
WERROR _netr_DsRGetDCNameEx(pipes_struct *p,
struct netr_DsRGetDCNameEx *r)
{
/****************************************************************
****************************************************************/
-NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p,
- struct netr_ServerPasswordSet2 *r)
-{
- p->rng_fault_state = true;
- return NT_STATUS_NOT_IMPLEMENTED;
-}
-
-/****************************************************************
-****************************************************************/
-
WERROR _netr_ServerPasswordGet(pipes_struct *p,
struct netr_ServerPasswordGet *r)
{
/****************************************************************
****************************************************************/
-WERROR _netr_GetForestTrustInformation(pipes_struct *p,
- struct netr_GetForestTrustInformation *r)
-{
- p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
-}
-
-/****************************************************************
-****************************************************************/
-
-NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p,
- struct netr_LogonSamLogonWithFlags *r)
+NTSTATUS _netr_GetForestTrustInformation(pipes_struct *p,
+ struct netr_GetForestTrustInformation *r)
{
p->rng_fault_state = true;
return NT_STATUS_NOT_IMPLEMENTED;
/****************************************************************
****************************************************************/
-WERROR _netr_NETRSERVERGETTRUSTINFO(pipes_struct *p,
- struct netr_NETRSERVERGETTRUSTINFO *r)
+NTSTATUS _netr_ServerGetTrustInfo(pipes_struct *p,
+ struct netr_ServerGetTrustInfo *r)
{
p->rng_fault_state = true;
- return WERR_NOT_SUPPORTED;
+ return NT_STATUS_NOT_IMPLEMENTED;
}
git.samba.org / ira / wip.git / blobdiff