#include "includes.h"
#include "winbindd.h"
+#include "libsmb/namequery.h"
#include "../libcli/auth/libcli_auth.h"
#include "../librpc/gen_ndr/ndr_netlogon_c.h"
#include "rpc_client/cli_pipe.h"
#include "rpc_server/rpc_ncacn_np.h"
#include "auth/credentials/credentials.h"
#include "lib/param/param.h"
+#include "lib/gencache.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
static void set_dc_type_and_flags( struct winbindd_domain *domain );
static bool set_dc_type_and_flags_trustinfo( struct winbindd_domain *domain );
static bool get_dcs(TALLOC_CTX *mem_ctx, struct winbindd_domain *domain,
- struct dc_name_ip **dcs, int *num_dcs);
+ struct dc_name_ip **dcs, int *num_dcs,
+ uint32_t request_flags);
/****************************************************************
Child failed to find DC's. Reschedule check.
pid_t parent_pid = getpid();
char *lfile = NULL;
NTSTATUS status;
+ bool ok;
if (domain->dc_probe_pid != (pid_t)-1) {
/*
if (domain->dc_probe_pid != (pid_t)0) {
/* Parent */
- messaging_register(winbind_messaging_context(), NULL,
+ messaging_register(global_messaging_context(), NULL,
MSG_WINBIND_TRY_TO_GO_ONLINE,
msg_try_to_go_online);
- messaging_register(winbind_messaging_context(), NULL,
+ messaging_register(global_messaging_context(), NULL,
MSG_WINBIND_FAILED_TO_GO_ONLINE,
msg_failed_to_go_online);
return True;
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("winbindd_reinit_after_fork failed: %s\n",
nt_errstr(status)));
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_FAILED_TO_GO_ONLINE,
(const uint8_t *)domain->name,
}
SAFE_FREE(lfile);
+ setproctitle("dc-connect child");
+
mem_ctx = talloc_init("fork_child_dc_connect");
if (!mem_ctx) {
DEBUG(0,("talloc_init failed.\n"));
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_FAILED_TO_GO_ONLINE,
(const uint8_t *)domain->name,
_exit(1);
}
- if ((!get_dcs(mem_ctx, domain, &dcs, &num_dcs)) || (num_dcs == 0)) {
+ ok = get_dcs(mem_ctx, domain, &dcs, &num_dcs, 0);
+ TALLOC_FREE(mem_ctx);
+ if (!ok || (num_dcs == 0)) {
/* Still offline ? Can't find DC's. */
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_FAILED_TO_GO_ONLINE,
(const uint8_t *)domain->name,
/* We got a DC. Send a message to our parent to get it to
try and do the same. */
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_TRY_TO_GO_ONLINE,
(const uint8_t *)domain->name,
calc_new_online_timeout_check(domain);
- domain->check_online_event = tevent_add_timer(winbind_event_context(),
+ domain->check_online_event = tevent_add_timer(global_event_context(),
NULL,
timeval_current_ofs(domain->check_online_timeout,0),
check_domain_online_handler,
/* Send a message to the parent that the domain is offline. */
if (parent_pid > 1 && !domain->internal) {
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_DOMAIN_OFFLINE,
- (uint8 *)domain->name,
+ (uint8_t *)domain->name,
strlen(domain->name) + 1);
}
struct winbindd_child *idmap = idmap_child();
if ( idmap->pid != 0 ) {
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(idmap->pid),
MSG_WINBIND_OFFLINE,
(const uint8_t *)domain->name,
TALLOC_FREE(domain->check_online_event);
/* Ensure we ignore any pending child messages. */
- messaging_deregister(winbind_messaging_context(),
+ messaging_deregister(global_messaging_context(),
MSG_WINBIND_TRY_TO_GO_ONLINE, NULL);
- messaging_deregister(winbind_messaging_context(),
+ messaging_deregister(global_messaging_context(),
MSG_WINBIND_FAILED_TO_GO_ONLINE, NULL);
domain->online = True;
/* Send a message to the parent that the domain is online. */
if (parent_pid > 1 && !domain->internal) {
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(parent_pid),
MSG_WINBIND_DOMAIN_ONLINE,
- (uint8 *)domain->name,
+ (uint8_t *)domain->name,
strlen(domain->name) + 1);
}
struct winbindd_child *idmap = idmap_child();
if ( idmap->pid != 0 ) {
- messaging_send_buf(winbind_messaging_context(),
+ messaging_send_buf(global_messaging_context(),
pid_to_procid(idmap->pid),
MSG_WINBIND_ONLINE,
(const uint8_t *)domain->name,
TALLOC_FREE(domain->check_online_event);
- domain->check_online_event = tevent_add_timer(winbind_event_context(),
+ domain->check_online_event = tevent_add_timer(global_event_context(),
NULL,
tev,
check_domain_online_handler,
static bool get_dc_name_via_netlogon(struct winbindd_domain *domain,
fstring dcname,
- struct sockaddr_storage *dc_ss)
+ struct sockaddr_storage *dc_ss,
+ uint32_t request_flags)
{
struct winbindd_domain *our_domain = NULL;
struct rpc_pipe_client *netlogon_pipe = NULL;
if (our_domain->active_directory) {
struct netr_DsRGetDCNameInfo *domain_info = NULL;
+ /*
+ * TODO request flags are not respected in the server
+ * (and in some cases, like REQUIRE_PDC, causes an error)
+ */
result = dcerpc_netr_DsRGetDCName(b,
mem_ctx,
our_domain->dcname,
domain->name,
NULL,
NULL,
- DS_RETURN_DNS_NAME,
+ request_flags|DS_RETURN_DNS_NAME,
&domain_info,
&werr);
if (NT_STATUS_IS_OK(result) && W_ERROR_IS_OK(werr)) {
const struct winbindd_domain *creds_domain = NULL;
struct cli_credentials *creds;
NTSTATUS status;
+ bool force_machine_account = false;
/* If we are a DC and this is not our own domain */
- if (IS_DC && netlogon) {
+ if (!domain->active_directory) {
+ if (!netlogon) {
+ /*
+ * For non active directory domains
+ * we can only use NTLMSSP for SMB.
+ *
+ * But the trust account is not allowed
+ * to use SMB with NTLMSSP.
+ */
+ force_machine_account = true;
+ }
+ }
+
+ if (IS_DC && !force_machine_account) {
creds_domain = domain;
} else {
creds_domain = find_our_domain();
goto ipc_fallback;
}
- if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC) {
- cli_credentials_set_kerberos_state(creds,
- CRED_MUST_USE_KERBEROS);
- }
-
- if (domain->primary && lp_security() == SEC_ADS) {
- cli_credentials_set_kerberos_state(creds,
- CRED_AUTO_USE_KERBEROS);
- } else if (!domain->active_directory) {
- cli_credentials_set_kerberos_state(creds,
- CRED_DONT_USE_KERBEROS);
- }
-
if (creds_domain != domain) {
/*
* We can only use schannel against a direct trust
bool *retry)
{
bool try_ipc_auth = false;
- const char *machine_password = NULL;
- const char *machine_krb5_principal = NULL;
+ const char *machine_principal = NULL;
+ const char *machine_realm = NULL;
const char *machine_account = NULL;
const char *machine_domain = NULL;
int flags = 0;
struct cli_credentials *creds = NULL;
- enum credentials_use_kerberos krb5_state;
struct named_mutex *mutex;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ NTSTATUS tmp_status;
+ NTSTATUS tcon_status = NT_STATUS_NETWORK_NAME_DELETED;
+
+ enum smb_signing_setting smb_sign_client_connections = lp_client_ipc_signing();
- enum smb_signing_setting smb_sign_client_connections = lp_client_signing();
+ if (IS_AD_DC) {
+ if (domain->secure_channel_type == SEC_CHAN_NULL) {
+ /*
+ * Make sure we don't even try to
+ * connect to a foreign domain
+ * without a direct outbound trust.
+ */
+ return NT_STATUS_NO_TRUST_LSA_SECRET;
+ }
+
+ /*
+ * As AD DC we only use netlogon and lsa
+ * using schannel over an anonymous transport
+ * (ncacn_ip_tcp or ncacn_np).
+ *
+ * Currently we always establish the SMB connection,
+ * even if we don't use it, because we later use ncacn_ip_tcp.
+ *
+ * As we won't use the SMB connection there's no
+ * need to try kerberos. And NT4 domains expect
+ * an anonymous IPC$ connection anyway.
+ */
+ smb_sign_client_connections = SMB_SIGNING_OFF;
+ }
if (smb_sign_client_connections == SMB_SIGNING_DEFAULT) {
/*
* AD domain in our forest
* then require smb signing to disrupt MITM attacks
*/
- } else if ((lp_security() == SEC_ADS ||
- lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC)
+ } else if ((lp_security() == SEC_ADS)
&& domain->active_directory
&& (domain->domain_trust_attribs
& LSA_TRUST_ATTRIBUTE_WITHIN_FOREST)) {
goto done;
}
- flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
-
- *cli = cli_state_create(NULL, sockfd,
- controller, domain->alt_name,
+ *cli = cli_state_create(NULL, sockfd, controller,
smb_sign_client_connections, flags);
if (*cli == NULL) {
close(sockfd);
cli_set_timeout(*cli, 10000); /* 10 seconds */
+ set_socket_options(sockfd, lp_socket_options());
+
result = smbXcli_negprot((*cli)->conn, (*cli)->timeout,
- lp_client_min_protocol(),
- lp_winbindd_max_protocol());
+ lp_client_ipc_min_protocol(),
+ lp_client_ipc_max_protocol());
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1, ("cli_negprot failed: %s\n", nt_errstr(result)));
try_ipc_auth = true;
}
+ if (IS_AD_DC) {
+ /*
+ * As AD DC we only use netlogon and lsa
+ * using schannel over an anonymous transport
+ * (ncacn_ip_tcp or ncacn_np).
+ *
+ * Currently we always establish the SMB connection,
+ * even if we don't use it, because we later use ncacn_ip_tcp.
+ *
+ * As we won't use the SMB connection there's no
+ * need to try kerberos. And NT4 domains expect
+ * an anonymous IPC$ connection anyway.
+ */
+ try_ipc_auth = false;
+ }
+
if (try_ipc_auth) {
result = get_trust_credentials(domain, talloc_tos(), false, &creds);
if (!NT_STATUS_IS_OK(result)) {
}
}
- krb5_state = cli_credentials_get_kerberos_state(creds);
-
- machine_krb5_principal = cli_credentials_get_principal(creds,
+ machine_principal = cli_credentials_get_principal(creds,
talloc_tos());
- if (machine_krb5_principal == NULL) {
- krb5_state = CRED_DONT_USE_KERBEROS;
- }
-
+ machine_realm = cli_credentials_get_realm(creds);
machine_account = cli_credentials_get_username(creds);
- machine_password = cli_credentials_get_password(creds);
machine_domain = cli_credentials_get_domain(creds);
- if (krb5_state != CRED_DONT_USE_KERBEROS) {
-
- /* Try a krb5 session */
-
- (*cli)->use_kerberos = True;
- DEBUG(5, ("connecting to %s from %s with kerberos principal "
- "[%s] and realm [%s]\n", controller, lp_netbios_name(),
- machine_krb5_principal, domain->alt_name));
-
- winbindd_set_locator_kdc_envs(domain);
-
- result = cli_session_setup(*cli,
- machine_krb5_principal,
- machine_password,
- strlen(machine_password)+1,
- machine_password,
- strlen(machine_password)+1,
- machine_domain);
+ DEBUG(5, ("connecting to %s (%s, %s) with account [%s\\%s] principal "
+ "[%s] and realm [%s]\n",
+ controller, domain->name, domain->alt_name,
+ machine_domain, machine_account,
+ machine_principal, machine_realm));
- if (NT_STATUS_IS_OK(result)) {
- goto session_setup_done;
- }
-
- DEBUG(4,("failed kerberos session setup with %s\n",
- nt_errstr(result)));
+ if (cli_credentials_is_anonymous(creds)) {
+ goto anon_fallback;
}
- if (krb5_state != CRED_MUST_USE_KERBEROS) {
- /* Fall back to non-kerberos session setup using NTLMSSP SPNEGO with the machine account. */
- (*cli)->use_kerberos = False;
-
- DEBUG(5, ("connecting to %s from %s using NTLMSSP with username "
- "[%s]\\[%s]\n", controller, lp_netbios_name(),
- machine_domain, machine_account));
-
- result = cli_session_setup(*cli,
- machine_account,
- machine_password,
- strlen(machine_password)+1,
- machine_password,
- strlen(machine_password)+1,
- machine_domain);
- }
+ winbindd_set_locator_kdc_envs(domain);
+ result = cli_session_setup_creds(*cli, creds);
if (NT_STATUS_IS_OK(result)) {
goto session_setup_done;
}
+ DEBUG(1, ("authenticated session setup to %s using %s failed with %s\n",
+ controller,
+ cli_credentials_get_unparsed_name(creds, talloc_tos()),
+ nt_errstr(result)));
+
/*
* If we are not going to validiate the conneciton
* with SMB signing, then allow us to fall back to
*/
if (NT_STATUS_EQUAL(result, NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT)
|| NT_STATUS_EQUAL(result, NT_STATUS_TRUSTED_DOMAIN_FAILURE)
+ || NT_STATUS_EQUAL(result, NT_STATUS_INVALID_ACCOUNT_NAME)
+ || NT_STATUS_EQUAL(result, NT_STATUS_NO_LOGON_SERVERS)
|| NT_STATUS_EQUAL(result, NT_STATUS_LOGON_FAILURE))
{
- if (cli_credentials_is_anonymous(creds)) {
- goto done;
- }
-
if (!cm_is_ipc_credentials(creds)) {
goto ipc_fallback;
}
goto anon_fallback;
}
- DEBUG(4, ("authenticated session setup failed with %s\n",
- nt_errstr(result)));
-
goto done;
ipc_fallback:
- result = cm_get_ipc_credentials(talloc_tos(), &creds);
- if (!NT_STATUS_IS_OK(result)) {
+ TALLOC_FREE(creds);
+ tmp_status = cm_get_ipc_credentials(talloc_tos(), &creds);
+ if (!NT_STATUS_IS_OK(tmp_status)) {
+ result = tmp_status;
goto done;
}
if (cli_credentials_is_anonymous(creds)) {
- TALLOC_FREE(creds);
goto anon_fallback;
}
machine_account = cli_credentials_get_username(creds);
- machine_password = cli_credentials_get_password(creds);
machine_domain = cli_credentials_get_domain(creds);
- /* Fall back to non-kerberos session setup using NTLMSSP SPNEGO with the ipc creds. */
- (*cli)->use_kerberos = False;
-
DEBUG(5, ("connecting to %s from %s using NTLMSSP with username "
"[%s]\\[%s]\n", controller, lp_netbios_name(),
machine_domain, machine_account));
- result = cli_session_setup(*cli,
- machine_account,
- machine_password,
- strlen(machine_password)+1,
- machine_password,
- strlen(machine_password)+1,
- machine_domain);
-
+ result = cli_session_setup_creds(*cli, creds);
if (NT_STATUS_IS_OK(result)) {
goto session_setup_done;
}
+ DEBUG(1, ("authenticated session setup to %s using %s failed with %s\n",
+ controller,
+ cli_credentials_get_unparsed_name(creds, talloc_tos()),
+ nt_errstr(result)));
+
/*
* If we are not going to validiate the conneciton
* with SMB signing, then allow us to fall back to
*/
if (NT_STATUS_EQUAL(result, NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT)
|| NT_STATUS_EQUAL(result, NT_STATUS_TRUSTED_DOMAIN_FAILURE)
+ || NT_STATUS_EQUAL(result, NT_STATUS_INVALID_ACCOUNT_NAME)
+ || NT_STATUS_EQUAL(result, NT_STATUS_NO_LOGON_SERVERS)
|| NT_STATUS_EQUAL(result, NT_STATUS_LOGON_FAILURE))
{
goto anon_fallback;
}
- DEBUG(4, ("authenticated session setup failed with %s\n",
- nt_errstr(result)));
-
goto done;
anon_fallback:
+ TALLOC_FREE(creds);
if (smb_sign_client_connections == SMB_SIGNING_REQUIRED) {
goto done;
}
- creds = cli_credentials_init_anon(talloc_tos());
- if (creds == NULL) {
- result = NT_STATUS_NO_MEMORY;
- goto done;
- }
-
- machine_account = cli_credentials_get_username(creds);
- machine_password = cli_credentials_get_password(creds);
- machine_domain = cli_credentials_get_domain(creds);
-
/* Fall back to anonymous connection, this might fail later */
- DEBUG(10,("cm_prepare_connection: falling back to anonymous "
+ DEBUG(5,("cm_prepare_connection: falling back to anonymous "
"connection for DC %s\n",
controller ));
- (*cli)->use_kerberos = False;
-
- result = cli_session_setup(*cli,
- machine_account,
- machine_password,
- strlen(machine_password)+1,
- machine_password,
- strlen(machine_password)+1,
- machine_domain);
-
+ result = cli_session_setup_anon(*cli);
if (NT_STATUS_IS_OK(result)) {
DEBUG(5, ("Connected anonymously\n"));
goto session_setup_done;
}
+ DEBUG(1, ("anonymous session setup to %s failed with %s\n",
+ controller, nt_errstr(result)));
+
/* We can't session setup */
goto done;
session_setup_done:
+ TALLOC_FREE(creds);
/*
* This should be a short term hack until
smbXcli_session_set_disconnect_expired((*cli)->smb2.session);
}
- result = cli_tree_connect(*cli, "IPC$", "IPC", "", 0);
-
+ result = cli_tree_connect(*cli, "IPC$", "IPC", NULL);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(1,("failed tcon_X with %s\n", nt_errstr(result)));
goto done;
}
+ tcon_status = result;
/* cache the server name for later connections */
saf_store(domain->name, controller);
- if (domain->alt_name && (*cli)->use_kerberos) {
+ if (domain->alt_name) {
saf_store(domain->alt_name, controller);
}
done:
TALLOC_FREE(mutex);
+ TALLOC_FREE(creds);
+
+ if (NT_STATUS_IS_OK(result)) {
+ result = tcon_status;
+ }
if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(1, ("Failed to prepare SMB connection to %s: %s\n",
+ controller, nt_errstr(result)));
winbind_add_failed_connection_entry(domain, controller, result);
if ((*cli) != NULL) {
cli_shutdown(*cli);
}
static bool add_sockaddr_to_array(TALLOC_CTX *mem_ctx,
- struct sockaddr_storage *pss, uint16 port,
+ struct sockaddr_storage *pss, uint16_t port,
struct sockaddr_storage **addrs, int *num)
{
*addrs = talloc_realloc(mem_ctx, *addrs, struct sockaddr_storage, (*num)+1);
/*******************************************************************
convert an ip to a name
+ For an AD Domain, it checks the requirements of the request flags.
*******************************************************************/
-static bool dcip_to_name(TALLOC_CTX *mem_ctx,
- const struct winbindd_domain *domain,
- struct sockaddr_storage *pss,
- char **name)
+static bool dcip_check_name(TALLOC_CTX *mem_ctx,
+ const struct winbindd_domain *domain,
+ struct sockaddr_storage *pss,
+ char **name, uint32_t request_flags)
{
struct ip_service ip_list;
uint32_t nt_version = NETLOGON_NT_VERSION_1;
NTSTATUS status;
const char *dc_name;
fstring nbtname;
-
+#ifdef HAVE_ADS
+ bool is_ad_domain = false;
+#endif
ip_list.ss = *pss;
ip_list.port = 0;
None of these failures should be considered critical for now */
if ((lp_security() == SEC_ADS) && (domain->alt_name != NULL)) {
+ is_ad_domain = true;
+ } else if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC) {
+ is_ad_domain = domain->active_directory;
+ }
+
+ if (is_ad_domain) {
ADS_STRUCT *ads;
ADS_STATUS ads_status;
char addr[INET6_ADDRSTRLEN];
ads = ads_init(domain->alt_name, domain->name, addr);
ads->auth.flags |= ADS_AUTH_NO_BIND;
+ ads->config.flags |= request_flags;
+ ads->server.no_fallback = true;
ads_status = ads_connect(ads);
if (ADS_ERR_OK(ads_status)) {
}
namecache_store(*name, 0x20, 1, &ip_list);
- DEBUG(10,("dcip_to_name: flags = 0x%x\n", (unsigned int)ads->config.flags));
+ DEBUG(10,("dcip_check_name: flags = 0x%x\n", (unsigned int)ads->config.flags));
if (domain->primary && (ads->config.flags & NBT_SERVER_KDC)) {
if (ads_closest_dc(ads)) {
}
#endif
- status = nbt_getdc(winbind_messaging_context(), 10, pss, domain->name,
- &domain->sid, nt_version, mem_ctx, &nt_version,
- &dc_name, NULL);
+ {
+ size_t len = strlen(lp_netbios_name());
+ char my_acct_name[len+2];
+
+ snprintf(my_acct_name,
+ sizeof(my_acct_name),
+ "%s$",
+ lp_netbios_name());
+
+ status = nbt_getdc(global_messaging_context(), 10, pss,
+ domain->name, &domain->sid,
+ my_acct_name, ACB_WSTRUST,
+ nt_version, mem_ctx, &nt_version,
+ &dc_name, NULL);
+ }
if (NT_STATUS_IS_OK(status)) {
*name = talloc_strdup(mem_ctx, dc_name);
if (*name == NULL) {
*******************************************************************/
static bool get_dcs(TALLOC_CTX *mem_ctx, struct winbindd_domain *domain,
- struct dc_name_ip **dcs, int *num_dcs)
+ struct dc_name_ip **dcs, int *num_dcs,
+ uint32_t request_flags)
{
fstring dcname;
struct sockaddr_storage ss;
/* If not our domain, get the preferred DC, by asking our primary DC */
if ( !is_our_domain
- && get_dc_name_via_netlogon(domain, dcname, &ss)
+ && get_dc_name_via_netlogon(domain, dcname, &ss, request_flags)
&& add_one_dc_unique(mem_ctx, domain->name, dcname, &ss, dcs,
num_dcs) )
{
static bool find_new_dc(TALLOC_CTX *mem_ctx,
struct winbindd_domain *domain,
- char **dcname, struct sockaddr_storage *pss, int *fd)
+ char **dcname, struct sockaddr_storage *pss, int *fd,
+ uint32_t request_flags)
{
struct dc_name_ip *dcs = NULL;
int num_dcs = 0;
const char **dcnames = NULL;
- int num_dcnames = 0;
+ size_t num_dcnames = 0;
struct sockaddr_storage *addrs = NULL;
int num_addrs = 0;
*fd = -1;
again:
- if (!get_dcs(mem_ctx, domain, &dcs, &num_dcs) || (num_dcs == 0))
+ if (!get_dcs(mem_ctx, domain, &dcs, &num_dcs, request_flags) || (num_dcs == 0))
return False;
for (i=0; i<num_dcs; i++) {
}
/* Try to figure out the name */
- if (dcip_to_name(mem_ctx, domain, pss, dcname)) {
+ if (dcip_check_name(mem_ctx, domain, pss, dcname, request_flags)) {
return True;
}
TALLOC_FREE(addrs);
num_addrs = 0;
- close(*fd);
- *fd = -1;
+ if (*fd != -1) {
+ close(*fd);
+ *fd = -1;
+ }
goto again;
}
table,
session_info,
NULL,
- winbind_messaging_context(),
+ NULL,
+ global_messaging_context(),
&cli);
} else {
status = rpc_pipe_open_internal(mem_ctx,
- &table->syntax_id,
+ table,
session_info,
NULL,
- winbind_messaging_context(),
+ NULL,
+ global_messaging_context(),
&cli);
}
if (!NT_STATUS_IS_OK(status)) {
}
static NTSTATUS cm_open_connection(struct winbindd_domain *domain,
- struct winbindd_cm_conn *new_conn)
+ struct winbindd_cm_conn *new_conn,
+ bool need_rw_dc)
{
TALLOC_CTX *mem_ctx;
NTSTATUS result;
char *saf_servername;
int retries;
+ uint32_t request_flags = need_rw_dc ? DS_WRITABLE_REQUIRED : 0;
if ((mem_ctx = talloc_init("cm_open_connection")) == NULL) {
set_domain_offline(domain);
before talking to it. It going down may have
triggered the reconnection. */
- if ( saf_servername && NT_STATUS_IS_OK(check_negative_conn_cache( domain->name, saf_servername))) {
+ if (saf_servername && NT_STATUS_IS_OK(check_negative_conn_cache(domain->name, saf_servername))) {
+ struct sockaddr_storage ss;
+ char *dcname = NULL;
+ bool resolved = true;
- DEBUG(10,("cm_open_connection: saf_servername is '%s' for domain %s\n",
- saf_servername, domain->name ));
+ DEBUG(10, ("cm_open_connection: saf_servername is '%s' for domain %s\n",
+ saf_servername, domain->name));
/* convert an ip address to a name */
- if (is_ipaddress( saf_servername ) ) {
- char *dcname = NULL;
- struct sockaddr_storage ss;
-
+ if (is_ipaddress(saf_servername)) {
if (!interpret_string_addr(&ss, saf_servername,
- AI_NUMERICHOST)) {
+ AI_NUMERICHOST)) {
TALLOC_FREE(mem_ctx);
return NT_STATUS_UNSUCCESSFUL;
}
- if (dcip_to_name(mem_ctx, domain, &ss, &dcname)) {
- domain->dcname = talloc_strdup(domain,
- dcname);
- if (domain->dcname == NULL) {
- TALLOC_FREE(mem_ctx);
- return NT_STATUS_NO_MEMORY;
- }
- } else {
- winbind_add_failed_connection_entry(
- domain, saf_servername,
- NT_STATUS_UNSUCCESSFUL);
- }
} else {
- domain->dcname = talloc_strdup(domain, saf_servername);
+ if (!resolve_name(saf_servername, &ss, 0x20, true)) {
+ resolved = false;
+ }
+ }
+
+ if (resolved && dcip_check_name(mem_ctx, domain, &ss, &dcname, request_flags)) {
+ domain->dcname = talloc_strdup(domain,
+ dcname);
if (domain->dcname == NULL) {
TALLOC_FREE(mem_ctx);
return NT_STATUS_NO_MEMORY;
}
+
+ domain->dcaddr = ss;
+ } else {
+ winbind_add_failed_connection_entry(domain, saf_servername,
+ NT_STATUS_UNSUCCESSFUL);
}
}
result = NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND;
- DEBUG(10,("cm_open_connection: dcname is '%s' for domain %s\n",
- domain->dcname ? domain->dcname : "", domain->name ));
+ DEBUG(10, ("cm_open_connection: dcname is '%s' for domain %s\n",
+ domain->dcname ? domain->dcname : "", domain->name));
- if (domain->dcname != NULL
- && NT_STATUS_IS_OK(check_negative_conn_cache( domain->name, domain->dcname))
- && (resolve_name(domain->dcname, &domain->dcaddr, 0x20, true)))
+ if (domain->dcname != NULL &&
+ NT_STATUS_IS_OK(check_negative_conn_cache(domain->name,
+ domain->dcname)))
{
NTSTATUS status;
}
if ((fd == -1) &&
- !find_new_dc(mem_ctx, domain, &dcname, &domain->dcaddr, &fd))
+ !find_new_dc(mem_ctx, domain, &dcname, &domain->dcaddr, &fd, request_flags))
{
/* This is the one place where we will
set the global winbindd offline state
&new_conn->cli, &retry);
if (!NT_STATUS_IS_OK(result)) {
/* Don't leak the smb connection socket */
- close(fd);
+ if (fd != -1) {
+ close(fd);
+ fd = -1;
+ }
}
if (!retry)
}
conn->auth_level = DCERPC_AUTH_LEVEL_PRIVACY;
- conn->netlogon_force_reauth = false;
- conn->netlogon_flags = 0;
- TALLOC_FREE(conn->netlogon_creds);
+ TALLOC_FREE(conn->netlogon_creds_ctx);
if (conn->cli) {
cli_shutdown(conn->cli);
set_dc_type_and_flags_trustinfo(domain);
}
- result = cm_open_connection(domain, &domain->conn);
+ result = cm_open_connection(domain, &domain->conn, need_rw_dc);
if (NT_STATUS_IS_OK(result) && !domain->initialized) {
set_dc_type_and_flags(domain);
WERROR werr;
struct netr_DomainTrustList trusts;
int i;
- uint32 flags = (NETR_TRUST_FLAG_IN_FOREST |
+ uint32_t flags = (NETR_TRUST_FLAG_IN_FOREST |
NETR_TRUST_FLAG_OUTBOUND |
NETR_TRUST_FLAG_INBOUND);
struct rpc_pipe_client *cli;
TALLOC_CTX *mem_ctx = NULL;
struct dcerpc_binding_handle *b;
+ if (IS_DC) {
+ /*
+ * On a DC we loaded all trusts
+ * from configuration and never learn
+ * new domains.
+ */
+ return true;
+ }
+
DEBUG(5, ("set_dc_type_and_flags_trustinfo: domain %s\n", domain->name ));
/* Our primary domain doesn't need to worry about trust flags.
static void set_dc_type_and_flags( struct winbindd_domain *domain )
{
+ if (IS_DC) {
+ /*
+ * On a DC we loaded all trusts
+ * from configuration and never learn
+ * new domains.
+ */
+ return;
+ }
+
/* we always have to contact our primary domain */
if ( domain->primary || domain->internal) {
return NT_STATUS_TRUSTED_DOMAIN_FAILURE;
}
- if (domain->conn.netlogon_creds != NULL) {
- if (!(domain->conn.netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
- return NT_STATUS_TRUSTED_DOMAIN_FAILURE;
- }
- *ppdc = domain->conn.netlogon_creds;
+ if (domain->conn.netlogon_creds_ctx != NULL) {
+ *ppdc = domain->conn.netlogon_creds_ctx;
return NT_STATUS_OK;
}
- result = cm_connect_netlogon(domain, &netlogon_pipe);
+ result = cm_connect_netlogon_secure(domain, &netlogon_pipe, ppdc);
if (!NT_STATUS_IS_OK(result)) {
return result;
}
- if (domain->conn.netlogon_creds == NULL) {
- return NT_STATUS_TRUSTED_DOMAIN_FAILURE;
- }
-
- if (!(domain->conn.netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
- return NT_STATUS_TRUSTED_DOMAIN_FAILURE;
- }
-
- *ppdc = domain->conn.netlogon_creds;
return NT_STATUS_OK;
}
NTSTATUS status, result;
struct netlogon_creds_cli_context *p_creds;
struct cli_credentials *creds = NULL;
+ bool retry = false; /* allow one retry attempt for expired session */
if (sid_check_is_our_sam(&domain->sid)) {
if (domain->rodc == false || need_rw_dc == false) {
}
}
+ if (IS_AD_DC) {
+ /*
+ * In theory we should not use SAMR within
+ * winbindd at all, but that's a larger task to
+ * remove this and avoid breaking existing
+ * setups.
+ *
+ * At least as AD DC we have the restriction
+ * to avoid SAMR against trusted domains,
+ * as there're no existing setups.
+ */
+ return NT_STATUS_REQUEST_NOT_ACCEPTED;
+ }
+
+retry:
status = init_dc_connection_rpc(domain, need_rw_dc);
if (!NT_STATUS_IS_OK(status)) {
return status;
result = get_trust_credentials(domain, talloc_tos(), false, &creds);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("cm_connect_sam: No no user available for "
+ DEBUG(10, ("cm_connect_sam: No user available for "
"domain %s, trying schannel\n", domain->name));
goto schannel;
}
smbXcli_conn_remote_name(conn->cli->conn),
creds,
&conn->samr_pipe);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
+
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("cm_connect_sam: failed to connect to SAMR "
"pipe for domain %s using NTLMSSP "
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->sam_connect_handle,
&result);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->samr_pipe);
+ retry = true;
+ goto retry;
+ }
+
if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
goto open_domain;
}
nt_errstr(status) ));
goto anonymous;
}
- status = cli_rpc_pipe_open_schannel_with_key
- (conn->cli, &ndr_table_samr, NCACN_NP,
- domain->name, p_creds, &conn->samr_pipe);
+ TALLOC_FREE(creds);
+ status = cli_rpc_pipe_open_schannel_with_creds(
+ conn->cli, &ndr_table_samr, NCACN_NP, p_creds,
+ &conn->samr_pipe);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("cm_connect_sam: failed to connect to SAMR pipe for "
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->sam_connect_handle,
&result);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->samr_pipe);
+ retry = true;
+ goto retry;
+ }
+
if (NT_STATUS_IS_OK(status) && NT_STATUS_IS_OK(result)) {
goto open_domain;
}
/* Finally fall back to anonymous. */
if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
status = NT_STATUS_DOWNGRADE_DETECTED;
- DEBUG(1, ("Unwilling to make SAMR connection to domain %s"
+ DEBUG(1, ("Unwilling to make SAMR connection to domain %s "
"without connection level security, "
"must set 'winbind sealed pipes = false' and "
"'require strong key = false' to proceed: %s\n",
status = cli_rpc_pipe_open_noauth(conn->cli, &ndr_table_samr,
&conn->samr_pipe);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
+
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->sam_connect_handle,
&result);
+
+ if (NT_STATUS_EQUAL(status, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->samr_pipe);
+ retry = true;
+ goto retry;
+ }
+
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("cm_connect_sam: rpccli_samr_Connect2 failed "
"for domain %s Error was %s\n",
struct rpc_pipe_client **cli)
{
struct winbindd_cm_conn *conn;
- struct netlogon_creds_cli_context *creds;
+ struct netlogon_creds_cli_context *p_creds = NULL;
NTSTATUS status;
DEBUG(10,("cm_connect_lsa_tcp\n"));
conn = &domain->conn;
- if (conn->lsa_pipe_tcp &&
+ /*
+ * rpccli_is_connected handles more error cases
+ */
+ if (rpccli_is_connected(conn->lsa_pipe_tcp) &&
conn->lsa_pipe_tcp->transport->transport == NCACN_IP_TCP &&
- conn->lsa_pipe_tcp->auth->auth_level >= DCERPC_AUTH_LEVEL_INTEGRITY &&
- rpccli_is_connected(conn->lsa_pipe_tcp)) {
+ conn->lsa_pipe_tcp->auth->auth_level >= DCERPC_AUTH_LEVEL_INTEGRITY) {
goto done;
}
TALLOC_FREE(conn->lsa_pipe_tcp);
- status = cm_get_schannel_creds(domain, &creds);
+ status = cm_get_schannel_creds(domain, &p_creds);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
- status = cli_rpc_pipe_open_schannel_with_key(conn->cli,
- &ndr_table_lsarpc,
- NCACN_IP_TCP,
- domain->name,
- creds,
- &conn->lsa_pipe_tcp);
+ status = cli_rpc_pipe_open_schannel_with_creds(conn->cli,
+ &ndr_table_lsarpc,
+ NCACN_IP_TCP,
+ p_creds,
+ &conn->lsa_pipe_tcp);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("cli_rpc_pipe_open_schannel_with_key failed: %s\n",
nt_errstr(status)));
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
struct netlogon_creds_cli_context *p_creds;
struct cli_credentials *creds = NULL;
+ bool retry = false; /* allow one retry attempt for expired session */
+retry:
result = init_dc_connection_rpc(domain, false);
if (!NT_STATUS_IS_OK(result))
return result;
TALLOC_FREE(conn->lsa_pipe);
+ if (IS_AD_DC) {
+ /*
+ * Make sure we only use schannel as AD DC.
+ */
+ goto schannel;
+ }
+
result = get_trust_credentials(domain, talloc_tos(), false, &creds);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("cm_connect_sam: No no user available for "
+ DEBUG(10, ("cm_connect_lsa: No user available for "
"domain %s, trying schannel\n", domain->name));
goto schannel;
}
smbXcli_conn_remote_name(conn->cli->conn),
creds,
&conn->lsa_pipe);
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
+
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
"domain %s using NTLMSSP authenticated pipe: user "
result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->lsa_policy);
+ if (NT_STATUS_EQUAL(result, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->lsa_pipe);
+ retry = true;
+ goto retry;
+ }
+
if (NT_STATUS_IS_OK(result)) {
goto done;
}
nt_errstr(result) ));
goto anonymous;
}
- result = cli_rpc_pipe_open_schannel_with_key
- (conn->cli, &ndr_table_lsarpc, NCACN_NP,
- domain->name, p_creds, &conn->lsa_pipe);
+
+ TALLOC_FREE(creds);
+ result = cli_rpc_pipe_open_schannel_with_creds(
+ conn->cli, &ndr_table_lsarpc, NCACN_NP, p_creds,
+ &conn->lsa_pipe);
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
if (!NT_STATUS_IS_OK(result)) {
DEBUG(10,("cm_connect_lsa: failed to connect to LSA pipe for "
result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->lsa_policy);
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->lsa_pipe);
+ retry = true;
+ goto retry;
+ }
+
if (NT_STATUS_IS_OK(result)) {
goto done;
}
+ if (IS_AD_DC) {
+ /*
+ * Make sure we only use schannel as AD DC.
+ */
+ goto done;
+ }
+
DEBUG(10,("cm_connect_lsa: rpccli_lsa_open_policy failed, trying "
"anonymous\n"));
anonymous:
+ if (IS_AD_DC) {
+ /*
+ * Make sure we only use schannel as AD DC.
+ */
+ goto done;
+ }
+
if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
result = NT_STATUS_DOWNGRADE_DETECTED;
- DEBUG(1, ("Unwilling to make LSA connection to domain %s"
+ DEBUG(1, ("Unwilling to make LSA connection to domain %s "
"without connection level security, "
"must set 'winbind sealed pipes = false' and "
"'require strong key = false' to proceed: %s\n",
result = cli_rpc_pipe_open_noauth(conn->cli,
&ndr_table_lsarpc,
&conn->lsa_pipe);
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_NETWORK_SESSION_EXPIRED)
+ && !retry) {
+ invalidate_cm_connection(domain);
+ retry = true;
+ goto retry;
+ }
+
if (!NT_STATUS_IS_OK(result)) {
goto done;
}
result = rpccli_lsa_open_policy(conn->lsa_pipe, mem_ctx, True,
SEC_FLAG_MAXIMUM_ALLOWED,
&conn->lsa_policy);
+
+ if (NT_STATUS_EQUAL(result, NT_STATUS_IO_DEVICE_ERROR) && !retry) {
+ invalidate_cm_connection(domain);
+ TALLOC_FREE(conn->lsa_pipe);
+ retry = true;
+ goto retry;
+ }
+
done:
if (!NT_STATUS_IS_OK(result)) {
invalidate_cm_connection(domain);
}
/****************************************************************************
- Open the netlogon pipe to this DC. Use schannel if specified in client conf.
- session key stored in conn->netlogon_pipe->dc->sess_key.
+ Open the netlogon pipe to this DC.
****************************************************************************/
static NTSTATUS cm_connect_netlogon_transport(struct winbindd_domain *domain,
enum dcerpc_transport_t transport,
struct rpc_pipe_client **cli)
{
- struct messaging_context *msg_ctx = winbind_messaging_context();
+ struct messaging_context *msg_ctx = global_messaging_context();
struct winbindd_cm_conn *conn;
NTSTATUS result;
enum netr_SchannelType sec_chan_type;
- const char *account_name;
- const char *domain_name;
- const struct samr_Password *current_nt_hash = NULL;
- const struct samr_Password *previous_nt_hash = NULL;
- struct netlogon_creds_CredentialState *netlogon_creds = NULL;
struct cli_credentials *creds = NULL;
*cli = NULL;
- result = init_dc_connection_rpc(domain, true);
+ if (IS_AD_DC) {
+ if (domain->secure_channel_type == SEC_CHAN_NULL) {
+ /*
+ * Make sure we don't even try to
+ * connect to a foreign domain
+ * without a direct outbound trust.
+ */
+ return NT_STATUS_NO_TRUST_LSA_SECRET;
+ }
+ }
+
+ result = init_dc_connection_rpc(domain, domain->rodc);
if (!NT_STATUS_IS_OK(result)) {
return result;
}
}
TALLOC_FREE(conn->netlogon_pipe);
- conn->netlogon_flags = 0;
- TALLOC_FREE(conn->netlogon_creds);
+ TALLOC_FREE(conn->netlogon_creds_ctx);
result = get_trust_credentials(domain, talloc_tos(), true, &creds);
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(10, ("cm_connect_sam: No no user available for "
- "domain %s when trying schannel\n", domain->name));
+ DBG_DEBUG("No user available for domain %s when trying "
+ "schannel\n", domain->name);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
if (cli_credentials_is_anonymous(creds)) {
- DEBUG(1, ("get_trust_credential only gave anonymous for %s, unable to make get NETLOGON credentials\n",
- domain->name));
+ DBG_WARNING("get_trust_credential only gave anonymous for %s, "
+ "unable to make get NETLOGON credentials\n",
+ domain->name);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
sec_chan_type = cli_credentials_get_secure_channel_type(creds);
if (sec_chan_type == SEC_CHAN_NULL) {
- return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
- goto no_schannel;
- }
-
- account_name = cli_credentials_get_username(creds);
- domain_name = cli_credentials_get_domain(creds);
- current_nt_hash = cli_credentials_get_nt_hash(creds, talloc_tos());
- if (current_nt_hash == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
-
- result = rpccli_create_netlogon_creds(domain->dcname,
- domain_name,
- account_name,
- sec_chan_type,
- msg_ctx,
- domain,
- &conn->netlogon_creds);
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(1, ("rpccli_create_netlogon_creds failed for %s, "
- "unable to create NETLOGON credentials: %s\n",
- domain->name, nt_errstr(result)));
- return result;
- }
-
- result = rpccli_setup_netlogon_creds(conn->cli, transport,
- conn->netlogon_creds,
- conn->netlogon_force_reauth,
- *current_nt_hash,
- previous_nt_hash);
- conn->netlogon_force_reauth = false;
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(1, ("rpccli_setup_netlogon_creds failed for %s, "
- "unable to setup NETLOGON credentials: %s\n",
- domain->name, nt_errstr(result)));
- return result;
- }
-
- result = netlogon_creds_cli_get(conn->netlogon_creds,
- talloc_tos(),
- &netlogon_creds);
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(1, ("netlogon_creds_cli_get failed for %s, "
- "unable to get NETLOGON credentials: %s\n",
- domain->name, nt_errstr(result)));
- return result;
- }
- conn->netlogon_flags = netlogon_creds->negotiate_flags;
- TALLOC_FREE(netlogon_creds);
-
- no_schannel:
- if (!(conn->netlogon_flags & NETLOGON_NEG_AUTHENTICATED_RPC)) {
- if (lp_winbind_sealed_pipes() || lp_require_strong_key()) {
- result = NT_STATUS_DOWNGRADE_DETECTED;
- DEBUG(1, ("Unwilling to make connection to domain %s"
- "without connection level security, "
- "must set 'winbind sealed pipes = false' and "
- "'require strong key = false' to proceed: %s\n",
- domain->name, nt_errstr(result)));
- invalidate_cm_connection(domain);
- return result;
- }
- result = cli_rpc_pipe_open_noauth_transport(conn->cli,
- transport,
- &ndr_table_netlogon,
- &conn->netlogon_pipe);
+ if (transport == NCACN_IP_TCP) {
+ DBG_NOTICE("get_secure_channel_type gave SEC_CHAN_NULL "
+ "for %s, deny NCACN_IP_TCP and let the "
+ "caller fallback to NCACN_NP.\n",
+ domain->name);
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+ }
+
+ DBG_NOTICE("get_secure_channel_type gave SEC_CHAN_NULL for %s, "
+ "fallback to noauth on NCACN_NP.\n",
+ domain->name);
+
+ result = cli_rpc_pipe_open_noauth_transport(
+ conn->cli,
+ transport,
+ &ndr_table_netlogon,
+ &conn->netlogon_pipe);
if (!NT_STATUS_IS_OK(result)) {
invalidate_cm_connection(domain);
return result;
return NT_STATUS_OK;
}
- /* Using the credentials from the first pipe, open a signed and sealed
- second netlogon pipe. The session key is stored in the schannel
- part of the new pipe auth struct.
- */
+ result = rpccli_create_netlogon_creds_ctx(creds,
+ domain->dcname,
+ msg_ctx,
+ domain,
+ &conn->netlogon_creds_ctx);
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(1, ("rpccli_create_netlogon_creds failed for %s, "
+ "unable to create NETLOGON credentials: %s\n",
+ domain->name, nt_errstr(result)));
+ return result;
+ }
- result = cli_rpc_pipe_open_schannel_with_key(
- conn->cli, &ndr_table_netlogon, transport,
- domain->name,
- conn->netlogon_creds,
+ result = rpccli_connect_netlogon(
+ conn->cli, transport,
+ conn->netlogon_creds_ctx, conn->netlogon_force_reauth, creds,
&conn->netlogon_pipe);
+ conn->netlogon_force_reauth = false;
if (!NT_STATUS_IS_OK(result)) {
- DEBUG(3, ("Could not open schannel'ed NETLOGON pipe. Error "
- "was %s\n", nt_errstr(result)));
-
- invalidate_cm_connection(domain);
+ DBG_DEBUG("rpccli_connect_netlogon failed: %s\n",
+ nt_errstr(result));
return result;
}
}
/****************************************************************************
-Open a LSA connection to a DC, suiteable for LSA lookup calls.
+Open a NETLOGON connection to a DC, suiteable for SamLogon calls.
****************************************************************************/
NTSTATUS cm_connect_netlogon(struct winbindd_domain *domain,
{
NTSTATUS status;
+ status = init_dc_connection_rpc(domain, domain->rodc);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
if (domain->active_directory && domain->can_do_ncacn_ip_tcp) {
status = cm_connect_netlogon_transport(domain, NCACN_IP_TCP, cli);
if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED) ||
}
status = cm_connect_netlogon_transport(domain, NCACN_NP, cli);
+ if (NT_STATUS_EQUAL(status, NT_STATUS_NETWORK_SESSION_EXPIRED)) {
+ /*
+ * SMB2 session expired, needs reauthentication. Drop
+ * connection and retry.
+ */
+ invalidate_cm_connection(domain);
+ status = cm_connect_netlogon_transport(domain, NCACN_NP, cli);
+ }
return status;
}
+NTSTATUS cm_connect_netlogon_secure(struct winbindd_domain *domain,
+ struct rpc_pipe_client **cli,
+ struct netlogon_creds_cli_context **ppdc)
+{
+ NTSTATUS status;
+
+ if (domain->secure_channel_type == SEC_CHAN_NULL) {
+ return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
+ }
+
+ status = cm_connect_netlogon(domain, cli);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ if (domain->conn.netlogon_creds_ctx == NULL) {
+ return NT_STATUS_TRUSTED_DOMAIN_FAILURE;
+ }
+
+ *ppdc = domain->conn.netlogon_creds_ctx;
+ return NT_STATUS_OK;
+}
+
void winbind_msg_ip_dropped(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
}
TALLOC_FREE(freeit);
}
+
+void winbind_msg_disconnect_dc(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
+{
+ struct winbindd_domain *domain;
+
+ for (domain = domain_list(); domain; domain = domain->next) {
+ if (domain->internal) {
+ continue;
+ }
+ invalidate_cm_connection(domain);
+ }
+}
git.samba.org / samba.git / blobdiff