-/*
+/*
Unix SMB/CIFS implementation.
Winbind daemon for ntdom nss module
Copyright (C) Tim Potter 2000-2001
Copyright (C) 2001 by Martin Pool <mbp@samba.org>
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "winbindd.h"
+#include "lib/util_unixsids.h"
+#include "secrets.h"
+#include "../libcli/security/security.h"
+#include "../libcli/auth/pam_errors.h"
+#include "passdb/machine_sid.h"
+#include "passdb.h"
+#include "source4/lib/messaging/messaging.h"
+#include "librpc/gen_ndr/ndr_lsa.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "auth/credentials/credentials.h"
+#include "libsmb/samlogon_cache.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-extern struct winbindd_methods cache_methods;
-extern struct winbindd_methods passdb_methods;
-
/**
* @file winbindd_util.c
*
* Winbind daemon for NT domain authentication nss module.
**/
+static bool add_trusted_domains_dc(void);
/* The list of trusted domains. Note that the list can be deleted and
recreated using the init_domain_list() function so pointers to
individual winbindd_domain structures cannot be made. Keep a copy of
the domain name instead. */
-static struct winbindd_domain *_domain_list;
-
-/**
- When was the last scan of trusted domains done?
-
- 0 == not ever
-*/
-
-static time_t last_trustdom_scan;
+static struct winbindd_domain *_domain_list = NULL;
struct winbindd_domain *domain_list(void)
{
/* Free all entries in the trusted domain list */
-void free_domain_list(void)
+static void free_domain_list(void)
{
struct winbindd_domain *domain = _domain_list;
while(domain) {
struct winbindd_domain *next = domain->next;
-
+
DLIST_REMOVE(_domain_list, domain);
- SAFE_FREE(domain);
+ TALLOC_FREE(domain);
domain = next;
}
}
-static bool is_internal_domain(const DOM_SID *sid)
+/**
+ * Iterator for winbindd's domain list.
+ * To be used (e.g.) in tevent based loops.
+ */
+struct winbindd_domain *wb_next_domain(struct winbindd_domain *domain)
{
- if (sid == NULL)
- return False;
+ if (domain == NULL) {
+ domain = domain_list();
+ } else {
+ domain = domain->next;
+ }
- if ( IS_DC )
- return sid_check_is_builtin(sid);
+ if ((domain != NULL) &&
+ (lp_server_role() != ROLE_ACTIVE_DIRECTORY_DC) &&
+ sid_check_is_our_sam(&domain->sid))
+ {
+ domain = domain->next;
+ }
- return (sid_check_is_domain(sid) || sid_check_is_builtin(sid));
+ return domain;
}
-static bool is_in_internal_domain(const DOM_SID *sid)
+static bool is_internal_domain(const struct dom_sid *sid)
{
if (sid == NULL)
return False;
- if ( IS_DC )
- return sid_check_is_in_builtin(sid);
+ return (sid_check_is_our_sam(sid) || sid_check_is_builtin(sid));
+}
+
+static bool is_in_internal_domain(const struct dom_sid *sid)
+{
+ if (sid == NULL)
+ return False;
- return (sid_check_is_in_our_domain(sid) || sid_check_is_in_builtin(sid));
+ return (sid_check_is_in_our_sam(sid) || sid_check_is_in_builtin(sid));
}
-/* Add a trusted domain to our list of domains */
-static struct winbindd_domain *add_trusted_domain(const char *domain_name, const char *alt_name,
- struct winbindd_methods *methods,
- const DOM_SID *sid)
+/* Add a trusted domain to our list of domains.
+ If the domain already exists in the list,
+ return it and don't re-initialize. */
+
+static NTSTATUS add_trusted_domain(const char *domain_name,
+ const char *dns_name,
+ const struct dom_sid *sid,
+ uint32_t trust_type,
+ uint32_t trust_flags,
+ uint32_t trust_attribs,
+ enum netr_SchannelType secure_channel_type,
+ struct winbindd_domain *routing_domain,
+ struct winbindd_domain **_d)
{
- struct winbindd_domain *domain;
- const char *alternative_name = NULL;
-
- /* ignore alt_name if we are not in an AD domain */
-
- if ( (lp_security() == SEC_ADS) && alt_name && *alt_name) {
- alternative_name = alt_name;
- }
-
- /* We can't call domain_list() as this function is called from
- init_domain_list() and we'll get stuck in a loop. */
+ struct winbindd_domain *domain = NULL;
+ const char **ignored_domains = NULL;
+ const char **dom = NULL;
+ int role = lp_server_role();
+
+ if (is_null_sid(sid)) {
+ DBG_ERR("Got null SID for domain [%s]\n", domain_name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ignored_domains = lp_parm_string_list(-1, "winbind", "ignore domains", NULL);
+ for (dom=ignored_domains; dom && *dom; dom++) {
+ if (gen_fnmatch(*dom, domain_name) == 0) {
+ DEBUG(2,("Ignoring domain '%s'\n", domain_name));
+ return NT_STATUS_NO_SUCH_DOMAIN;
+ }
+ }
+
+ /*
+ * We can't call domain_list() as this function is called from
+ * init_domain_list() and we'll get stuck in a loop.
+ */
for (domain = _domain_list; domain; domain = domain->next) {
- if (strequal(domain_name, domain->name) ||
- strequal(domain_name, domain->alt_name))
- {
- break;
+ if (strequal(domain_name, domain->name)) {
+ break;
}
+ }
+
+ if (domain != NULL) {
+ struct winbindd_domain *check_domain = NULL;
- if (alternative_name && *alternative_name)
+ for (check_domain = _domain_list;
+ check_domain != NULL;
+ check_domain = check_domain->next)
{
- if (strequal(alternative_name, domain->name) ||
- strequal(alternative_name, domain->alt_name))
- {
- break;
+ if (check_domain == domain) {
+ continue;
+ }
+
+ if (dom_sid_equal(&check_domain->sid, sid)) {
+ break;
}
}
- if (sid)
+ if (check_domain != NULL) {
+ DBG_ERR("SID [%s] already used by domain [%s], "
+ "expected [%s]\n",
+ sid_string_dbg(sid), check_domain->name,
+ domain->name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ }
+
+ if ((domain != NULL) && (dns_name != NULL)) {
+ struct winbindd_domain *check_domain = NULL;
+
+ for (check_domain = _domain_list;
+ check_domain != NULL;
+ check_domain = check_domain->next)
{
- if (is_null_sid(sid)) {
- continue;
+ if (check_domain == domain) {
+ continue;
}
-
- if (sid_equal(sid, &domain->sid)) {
- break;
+
+ if (strequal(check_domain->alt_name, dns_name)) {
+ break;
}
}
+
+ if (check_domain != NULL) {
+ DBG_ERR("DNS name [%s] used by domain [%s], "
+ "expected [%s]\n",
+ dns_name, check_domain->name,
+ domain->name);
+ return NT_STATUS_INVALID_PARAMETER;
+ }
}
-
- /* See if we found a match. Check if we need to update the
- SID. */
- if ( domain && sid) {
- if ( sid_equal( &domain->sid, &global_sid_NULL ) )
- sid_copy( &domain->sid, sid );
+ if (domain != NULL) {
+ *_d = domain;
+ return NT_STATUS_OK;
+ }
- return domain;
- }
-
/* Create new domain entry */
+ domain = talloc_zero(NULL, struct winbindd_domain);
+ if (domain == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
- if ((domain = SMB_MALLOC_P(struct winbindd_domain)) == NULL)
- return NULL;
+ domain->children = talloc_zero_array(domain,
+ struct winbindd_child,
+ lp_winbind_max_domain_connections());
+ if (domain->children == NULL) {
+ TALLOC_FREE(domain);
+ return NT_STATUS_NO_MEMORY;
+ }
- /* Fill in fields */
-
- ZERO_STRUCTP(domain);
+ domain->binding_handle = wbint_binding_handle(domain, domain, NULL);
+ if (domain->binding_handle == NULL) {
+ TALLOC_FREE(domain);
+ return NT_STATUS_NO_MEMORY;
+ }
- /* prioritise the short name */
- if (strchr_m(domain_name, '.') && alternative_name && *alternative_name) {
- fstrcpy(domain->name, alternative_name);
- fstrcpy(domain->alt_name, domain_name);
- } else {
- fstrcpy(domain->name, domain_name);
- if (alternative_name) {
- fstrcpy(domain->alt_name, alternative_name);
+ domain->name = talloc_strdup(domain, domain_name);
+ if (domain->name == NULL) {
+ TALLOC_FREE(domain);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (dns_name != NULL) {
+ domain->alt_name = talloc_strdup(domain, dns_name);
+ if (domain->alt_name == NULL) {
+ TALLOC_FREE(domain);
+ return NT_STATUS_NO_MEMORY;
}
}
- domain->methods = methods;
domain->backend = NULL;
domain->internal = is_internal_domain(sid);
+ domain->secure_channel_type = secure_channel_type;
domain->sequence_number = DOM_SEQUENCE_NONE;
domain->last_seq_check = 0;
- domain->initialized = False;
+ domain->initialized = false;
domain->online = is_internal_domain(sid);
domain->check_online_timeout = 0;
- if (sid) {
- sid_copy(&domain->sid, sid);
+ domain->dc_probe_pid = (pid_t)-1;
+ domain->domain_flags = trust_flags;
+ domain->domain_type = trust_type;
+ domain->domain_trust_attribs = trust_attribs;
+ domain->secure_channel_type = secure_channel_type;
+ domain->routing_domain = routing_domain;
+ sid_copy(&domain->sid, sid);
+
+ /* Is this our primary domain ? */
+ if (role == ROLE_DOMAIN_MEMBER) {
+ domain->primary = strequal(domain_name, lp_workgroup());
+ } else {
+ domain->primary = strequal(domain_name, get_global_sam_name());
+ }
+
+ if (domain->primary) {
+ if (role == ROLE_ACTIVE_DIRECTORY_DC) {
+ domain->active_directory = true;
+ }
+ if (lp_security() == SEC_ADS) {
+ domain->active_directory = true;
+ }
+ } else if (!domain->internal) {
+ if (domain->domain_type == LSA_TRUST_TYPE_UPLEVEL) {
+ domain->active_directory = true;
+ }
}
-
+
+ domain->can_do_ncacn_ip_tcp = domain->active_directory;
+
/* Link to domain list */
- DLIST_ADD_END(_domain_list, domain, struct winbindd_domain *);
-
+ DLIST_ADD_END(_domain_list, domain);
+
wcache_tdc_add_domain( domain );
-
- DEBUG(2,("Added domain %s %s %s\n",
- domain->name, domain->alt_name,
- &domain->sid?sid_string_dbg(&domain->sid):""));
-
- return domain;
+
+ setup_domain_child(domain);
+
+ DBG_NOTICE("Added domain [%s] [%s] [%s]\n",
+ domain->name, domain->alt_name,
+ sid_string_dbg(&domain->sid));
+
+ *_d = domain;
+ return NT_STATUS_OK;
+}
+
+bool set_routing_domain(struct winbindd_domain *domain,
+ struct winbindd_domain *routing_domain)
+{
+ if (domain->routing_domain == NULL) {
+ domain->routing_domain = routing_domain;
+ return true;
+ }
+ if (domain->routing_domain != routing_domain) {
+ return false;
+ }
+ return true;
+}
+
+bool add_trusted_domain_from_auth(uint16_t validation_level,
+ struct info3_text *info3,
+ struct info6_text *info6)
+{
+ struct winbindd_domain *domain = NULL;
+ struct dom_sid domain_sid;
+ const char *dns_domainname = NULL;
+ NTSTATUS status;
+ bool ok;
+
+ /*
+ * We got a successfull auth from a domain that might not yet be in our
+ * domain list. If we're a member we trust our DC who authenticated the
+ * user from that domain and add the domain to our list on-the-fly. If
+ * we're a DC we rely on configured trusts and don't add on-the-fly.
+ */
+
+ if (IS_DC) {
+ return true;
+ }
+
+ ok = dom_sid_parse(info3->dom_sid, &domain_sid);
+ if (!ok) {
+ DBG_NOTICE("dom_sid_parse [%s] failed\n", info3->dom_sid);
+ return false;
+ }
+
+ if (validation_level == 6) {
+ if (!strequal(info6->dns_domainname, "")) {
+ dns_domainname = info6->dns_domainname;
+ }
+ }
+
+ status = add_trusted_domain(info3->logon_dom,
+ dns_domainname,
+ &domain_sid,
+ 0,
+ NETR_TRUST_FLAG_OUTBOUND,
+ 0,
+ SEC_CHAN_NULL,
+ find_default_route_domain(),
+ &domain);
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_DOMAIN))
+ {
+ DBG_DEBUG("Adding domain [%s] with sid [%s] failed\n",
+ info3->logon_dom, info3->dom_sid);
+ return false;
+ }
+
+ return true;
+}
+
+bool domain_is_forest_root(const struct winbindd_domain *domain)
+{
+ const uint32_t fr_flags =
+ (NETR_TRUST_FLAG_TREEROOT|NETR_TRUST_FLAG_IN_FOREST);
+
+ return ((domain->domain_flags & fr_flags) == fr_flags);
}
/********************************************************************
********************************************************************/
struct trustdom_state {
- TALLOC_CTX *mem_ctx;
- bool primary;
- bool forest_root;
- struct winbindd_response *response;
+ struct winbindd_domain *domain;
+ struct winbindd_request request;
};
-static void trustdom_recv(void *private_data, bool success);
+static void trustdom_list_done(struct tevent_req *req);
static void rescan_forest_root_trusts( void );
static void rescan_forest_trusts( void );
static void add_trusted_domains( struct winbindd_domain *domain )
{
- TALLOC_CTX *mem_ctx;
- struct winbindd_request *request;
- struct winbindd_response *response;
- uint32 fr_flags = (DS_DOMAIN_TREE_ROOT|DS_DOMAIN_IN_FOREST);
-
struct trustdom_state *state;
+ struct tevent_req *req;
- mem_ctx = talloc_init("add_trusted_domains");
- if (mem_ctx == NULL) {
- DEBUG(0, ("talloc_init failed\n"));
+ state = talloc_zero(NULL, struct trustdom_state);
+ if (state == NULL) {
+ DEBUG(0, ("talloc failed\n"));
return;
}
+ state->domain = domain;
- request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
- response = TALLOC_P(mem_ctx, struct winbindd_response);
- state = TALLOC_P(mem_ctx, struct trustdom_state);
+ state->request.length = sizeof(state->request);
+ state->request.cmd = WINBINDD_LIST_TRUSTDOM;
- if ((request == NULL) || (response == NULL) || (state == NULL)) {
- DEBUG(0, ("talloc failed\n"));
- talloc_destroy(mem_ctx);
+ req = wb_domain_request_send(state, server_event_context(),
+ domain, &state->request);
+ if (req == NULL) {
+ DEBUG(1, ("wb_domain_request_send failed\n"));
+ TALLOC_FREE(state);
return;
}
-
- state->mem_ctx = mem_ctx;
- state->response = response;
-
- /* Flags used to know how to continue the forest trust search */
-
- state->primary = domain->primary;
- state->forest_root = ((domain->domain_flags & fr_flags) == fr_flags );
-
- request->length = sizeof(*request);
- request->cmd = WINBINDD_LIST_TRUSTDOM;
-
- async_domain_request(mem_ctx, domain, request, response,
- trustdom_recv, state);
+ tevent_req_set_callback(req, trustdom_list_done, state);
}
-static void trustdom_recv(void *private_data, bool success)
+static void trustdom_list_done(struct tevent_req *req)
{
- struct trustdom_state *state =
- talloc_get_type_abort(private_data, struct trustdom_state);
- struct winbindd_response *response = state->response;
+ struct trustdom_state *state = tevent_req_callback_data(
+ req, struct trustdom_state);
+ struct winbindd_response *response;
+ int res, err;
char *p;
+ ptrdiff_t extra_len;
+ bool within_forest = false;
+ NTSTATUS status;
+
+ /*
+ * Only when we enumerate our primary domain
+ * or our forest root domain, we should keep
+ * the NETR_TRUST_FLAG_IN_FOREST flag, in
+ * all other cases we need to clear it as the domain
+ * is not part of our forest.
+ */
+ if (state->domain->primary) {
+ within_forest = true;
+ } else if (domain_is_forest_root(state->domain)) {
+ within_forest = true;
+ }
+
+ res = wb_domain_request_recv(req, state, &response, &err);
+ if ((res == -1) || (response->result != WINBINDD_OK)) {
+ DBG_WARNING("Could not receive trusts for domain %s\n",
+ state->domain->name);
+ TALLOC_FREE(state);
+ return;
+ }
- if ((!success) || (response->result != WINBINDD_OK)) {
- DEBUG(1, ("Could not receive trustdoms\n"));
- talloc_destroy(state->mem_ctx);
+ if (response->length < sizeof(struct winbindd_response)) {
+ DBG_ERR("ill-formed trustdom response - short length\n");
+ TALLOC_FREE(state);
return;
}
+ extra_len = response->length - sizeof(struct winbindd_response);
+
p = (char *)response->extra_data.data;
- while ((p != NULL) && (*p != '\0')) {
- char *q, *sidstr, *alt_name;
- DOM_SID sid;
- struct winbindd_domain *domain;
- char *alternate_name = NULL;
+ while ((p - (char *)response->extra_data.data) < extra_len) {
+ struct winbindd_domain *domain = NULL;
+ char *name, *q, *sidstr, *alt_name;
+ struct dom_sid sid;
+ uint32_t trust_type;
+ uint32_t trust_attribs;
+ uint32_t trust_flags;
+
+ DBG_DEBUG("parsing response line '%s'\n", p);
+
+ name = p;
alt_name = strchr(p, '\\');
if (alt_name == NULL) {
- DEBUG(0, ("Got invalid trustdom response\n"));
+ DBG_ERR("Got invalid trustdom response\n");
break;
}
sidstr = strchr(alt_name, '\\');
if (sidstr == NULL) {
- DEBUG(0, ("Got invalid trustdom response\n"));
+ DBG_ERR("Got invalid trustdom response\n");
break;
}
*sidstr = '\0';
sidstr += 1;
- q = strchr(sidstr, '\n');
- if (q != NULL)
- *q = '\0';
+ /* use the real alt_name if we have one, else pass in NULL */
+ if (strequal(alt_name, "(null)")) {
+ alt_name = NULL;
+ }
+
+ q = strtok(sidstr, "\\");
+ if (q == NULL) {
+ DBG_ERR("Got invalid trustdom response\n");
+ break;
+ }
if (!string_to_sid(&sid, sidstr)) {
- /* Allow NULL sid for sibling domains */
- if ( strcmp(sidstr,"S-0-0") == 0) {
- sid_copy( &sid, &global_sid_NULL);
- } else {
- DEBUG(0, ("Got invalid trustdom response\n"));
- break;
- }
+ DEBUG(0, ("Got invalid trustdom response\n"));
+ break;
}
- /* use the real alt_name if we have one, else pass in NULL */
+ q = strtok(NULL, "\\");
+ if (q == NULL) {
+ DBG_ERR("Got invalid trustdom response\n");
+ break;
+ }
- if ( !strequal( alt_name, "(null)" ) )
- alternate_name = alt_name;
+ trust_flags = (uint32_t)strtoul(q, NULL, 10);
+
+ q = strtok(NULL, "\\");
+ if (q == NULL) {
+ DBG_ERR("Got invalid trustdom response\n");
+ break;
+ }
- /* If we have an existing domain structure, calling
- add_trusted_domain() will update the SID if
- necessary. This is important because we need the
- SID for sibling domains */
+ trust_type = (uint32_t)strtoul(q, NULL, 10);
- if ( find_domain_from_name_noinit(p) != NULL ) {
- domain = add_trusted_domain(p, alternate_name,
- &cache_methods,
- &sid);
- } else {
- domain = add_trusted_domain(p, alternate_name,
- &cache_methods,
- &sid);
- if (domain) {
- setup_domain_child(domain,
- &domain->child);
- }
+ q = strtok(NULL, "\n");
+ if (q == NULL) {
+ DBG_ERR("Got invalid trustdom response\n");
+ break;
}
- p=q;
- if (p != NULL)
- p += 1;
- }
- SAFE_FREE(response->extra_data.data);
+ trust_attribs = (uint32_t)strtoul(q, NULL, 10);
- /*
+ if (!within_forest) {
+ trust_flags &= ~NETR_TRUST_FLAG_IN_FOREST;
+ }
+
+ if (!state->domain->primary) {
+ trust_flags &= ~NETR_TRUST_FLAG_PRIMARY;
+ }
+
+ /*
+ * We always call add_trusted_domain() cause on an existing
+ * domain structure, it will update the SID if necessary.
+ * This is important because we need the SID for sibling
+ * domains.
+ */
+ status = add_trusted_domain(name,
+ alt_name,
+ &sid,
+ trust_type,
+ trust_flags,
+ trust_attribs,
+ SEC_CHAN_NULL,
+ find_default_route_domain(),
+ &domain);
+ if (!NT_STATUS_IS_OK(status) &&
+ !NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_DOMAIN))
+ {
+ DBG_NOTICE("add_trusted_domain returned %s\n",
+ nt_errstr(status));
+ return;
+ }
+
+ p = q + strlen(q) + 1;
+ }
+
+ /*
Cases to consider when scanning trusts:
(a) we are calling from a child domain (primary && !forest_root)
(b) we are calling from the root of the forest (primary && forest_root)
&& !forest_root)
*/
- if ( state->primary ) {
- /* If this is our primary domain and we are not the in the
+ if (state->domain->primary) {
+ /* If this is our primary domain and we are not in the
forest root, we have to scan the root trusts first */
- if ( !state->forest_root )
+ if (!domain_is_forest_root(state->domain))
rescan_forest_root_trusts();
else
rescan_forest_trusts();
- } else if ( state->forest_root ) {
+ } else if (domain_is_forest_root(state->domain)) {
/* Once we have done root forest trust search, we can
- go on to search thing trusted forests */
+ go on to search the trusted forests */
rescan_forest_trusts();
}
-
- talloc_destroy(state->mem_ctx);
-
+
+ TALLOC_FREE(state);
+
return;
}
{
struct winbindd_tdc_domain *dom_list = NULL;
size_t num_trusts = 0;
- int i;
+ int i;
+ NTSTATUS status;
/* The only transitive trusts supported by Windows 2003 AD are
(a) Parent-Child, (b) Tree-Root, and (c) Forest. The
for ( i=0; i<num_trusts; i++ ) {
struct winbindd_domain *d = NULL;
- /* Find the forest root. Don't necessarily trust
- the domain_list() as our primary domain may not
+ /* Find the forest root. Don't necessarily trust
+ the domain_list() as our primary domain may not
have been initialized. */
- if ( !(dom_list[i].trust_flags & DS_DOMAIN_TREE_ROOT) ) {
- continue;
+ if ( !(dom_list[i].trust_flags & NETR_TRUST_FLAG_TREEROOT) ) {
+ continue;
}
-
+
/* Here's the forest root */
d = find_domain_from_name_noinit( dom_list[i].domain_name );
-
- if ( !d ) {
- d = add_trusted_domain( dom_list[i].domain_name,
- dom_list[i].dns_name,
- &cache_methods,
- &dom_list[i].sid );
+ if (d == NULL) {
+ status = add_trusted_domain(dom_list[i].domain_name,
+ dom_list[i].dns_name,
+ &dom_list[i].sid,
+ dom_list[i].trust_type,
+ dom_list[i].trust_flags,
+ dom_list[i].trust_attribs,
+ SEC_CHAN_NULL,
+ find_default_route_domain(),
+ &d);
+
+ if (!NT_STATUS_IS_OK(status) &&
+ NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_DOMAIN))
+ {
+ DBG_ERR("add_trusted_domain returned %s\n",
+ nt_errstr(status));
+ return;
+ }
+ }
+ if (d == NULL) {
+ continue;
}
DEBUG(10,("rescan_forest_root_trusts: Following trust path "
d->name, d->alt_name ));
d->domain_flags = dom_list[i].trust_flags;
- d->domain_type = dom_list[i].trust_type;
- d->domain_trust_attribs = dom_list[i].trust_attribs;
-
+ d->domain_type = dom_list[i].trust_type;
+ d->domain_trust_attribs = dom_list[i].trust_attribs;
+
add_trusted_domains( d );
- break;
+ break;
}
TALLOC_FREE( dom_list );
}
/********************************************************************
- scan the transitive forest trists (not our own)
+ scan the transitive forest trusts (not our own)
********************************************************************/
struct winbindd_domain *d = NULL;
struct winbindd_tdc_domain *dom_list = NULL;
size_t num_trusts = 0;
- int i;
+ int i;
+ NTSTATUS status;
/* The only transitive trusts supported by Windows 2003 AD are
(a) Parent-Child, (b) Tree-Root, and (c) Forest. The
return;
for ( i=0; i<num_trusts; i++ ) {
- uint32 flags = dom_list[i].trust_flags;
- uint32 type = dom_list[i].trust_type;
- uint32 attribs = dom_list[i].trust_attribs;
-
+ uint32_t flags = dom_list[i].trust_flags;
+ uint32_t type = dom_list[i].trust_type;
+ uint32_t attribs = dom_list[i].trust_attribs;
+
d = find_domain_from_name_noinit( dom_list[i].domain_name );
/* ignore our primary and internal domains */
if ( d && (d->internal || d->primary ) )
- continue;
-
- if ( (flags & DS_DOMAIN_DIRECT_INBOUND) &&
- (type == DS_DOMAIN_TRUST_TYPE_UPLEVEL) &&
- (attribs == DS_DOMAIN_TRUST_ATTRIB_FOREST_TRANSITIVE) )
+ continue;
+
+ if ( (flags & NETR_TRUST_FLAG_INBOUND) &&
+ (type == LSA_TRUST_TYPE_UPLEVEL) &&
+ (attribs == LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE) )
{
/* add the trusted domain if we don't know
about it */
- if ( !d ) {
- d = add_trusted_domain( dom_list[i].domain_name,
- dom_list[i].dns_name,
- &cache_methods,
- &dom_list[i].sid );
+ if (d == NULL) {
+ status = add_trusted_domain(
+ dom_list[i].domain_name,
+ dom_list[i].dns_name,
+ &dom_list[i].sid,
+ type,
+ flags,
+ attribs,
+ SEC_CHAN_NULL,
+ find_default_route_domain(),
+ &d);
+ if (!NT_STATUS_IS_OK(status) &&
+ NT_STATUS_EQUAL(status,
+ NT_STATUS_NO_SUCH_DOMAIN))
+ {
+ DBG_ERR("add_trusted_domain: %s\n",
+ nt_errstr(status));
+ return;
+ }
}
-
+
+ if (d == NULL) {
+ continue;
+ }
+
DEBUG(10,("Following trust path for domain %s (%s)\n",
d->name, d->alt_name ));
add_trusted_domains( d );
TALLOC_FREE( dom_list );
- return;
+ return;
}
/*********************************************************************
(c) ask the a DC in any Win2003 trusted forests
*********************************************************************/
-void rescan_trusted_domains( void )
+void rescan_trusted_domains(struct tevent_context *ev, struct tevent_timer *te,
+ struct timeval now, void *private_data)
{
- time_t now = time(NULL);
-
- /* see if the time has come... */
-
- if ((now >= last_trustdom_scan) &&
- ((now-last_trustdom_scan) < WINBINDD_RESCAN_FREQ) )
- return;
-
- /* clear the TRUSTDOM cache first */
+ TALLOC_FREE(te);
- wcache_tdc_clear();
+ /* I use to clear the cache here and start over but that
+ caused problems in child processes that needed the
+ trust dom list early on. Removing it means we
+ could have some trusted domains listed that have been
+ removed from our primary domain's DC until a full
+ restart. This should be ok since I think this is what
+ Windows does as well. */
/* this will only add new domains we didn't already know about
in the domain_list()*/
-
- add_trusted_domains( find_our_domain() );
- last_trustdom_scan = now;
-
- return;
-}
+ add_trusted_domains( find_our_domain() );
-struct init_child_state {
- TALLOC_CTX *mem_ctx;
- struct winbindd_domain *domain;
- struct winbindd_request *request;
- struct winbindd_response *response;
- void (*continuation)(void *private_data, bool success);
- void *private_data;
-};
+ te = tevent_add_timer(
+ ev, NULL, timeval_current_ofs(WINBINDD_RESCAN_FREQ, 0),
+ rescan_trusted_domains, NULL);
+ /*
+ * If te == NULL, there's not much we can do here. Don't fail, the
+ * only thing we miss is new trusted domains.
+ */
-static void init_child_recv(void *private_data, bool success);
-static void init_child_getdc_recv(void *private_data, bool success);
+ return;
+}
-enum winbindd_result init_child_connection(struct winbindd_domain *domain,
- void (*continuation)(void *private_data,
- bool success),
- void *private_data)
+enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domain,
+ struct winbindd_cli_state *state)
{
- TALLOC_CTX *mem_ctx;
- struct winbindd_request *request;
- struct winbindd_response *response;
- struct init_child_state *state;
- struct winbindd_domain *request_domain;
-
- mem_ctx = talloc_init("init_child_connection");
- if (mem_ctx == NULL) {
- DEBUG(0, ("talloc_init failed\n"));
- return WINBINDD_ERROR;
+ /* Ensure null termination */
+ state->request->domain_name
+ [sizeof(state->request->domain_name)-1]='\0';
+ state->request->data.init_conn.dcname
+ [sizeof(state->request->data.init_conn.dcname)-1]='\0';
+
+ if (strlen(state->request->data.init_conn.dcname) > 0) {
+ TALLOC_FREE(domain->dcname);
+ domain->dcname = talloc_strdup(domain,
+ state->request->data.init_conn.dcname);
+ if (domain->dcname == NULL) {
+ return WINBINDD_ERROR;
+ }
}
- request = TALLOC_ZERO_P(mem_ctx, struct winbindd_request);
- response = TALLOC_P(mem_ctx, struct winbindd_response);
- state = TALLOC_P(mem_ctx, struct init_child_state);
+ init_dc_connection(domain, false);
- if ((request == NULL) || (response == NULL) || (state == NULL)) {
- DEBUG(0, ("talloc failed\n"));
- TALLOC_FREE(mem_ctx);
- continuation(private_data, False);
- return WINBINDD_ERROR;
+ if (!domain->initialized) {
+ /* If we return error here we can't do any cached authentication,
+ but we may be in disconnected mode and can't initialize correctly.
+ Do what the previous code did and just return without initialization,
+ once we go online we'll re-initialize.
+ */
+ DEBUG(5, ("winbindd_dual_init_connection: %s returning without initialization "
+ "online = %d\n", domain->name, (int)domain->online ));
}
- request->length = sizeof(*request);
+ fstrcpy(state->response->data.domain_info.name, domain->name);
+ fstrcpy(state->response->data.domain_info.alt_name, domain->alt_name);
+ sid_to_fstring(state->response->data.domain_info.sid, &domain->sid);
- state->mem_ctx = mem_ctx;
- state->domain = domain;
- state->request = request;
- state->response = response;
- state->continuation = continuation;
- state->private_data = private_data;
-
- if (IS_DC || domain->primary || domain->internal ) {
- /* The primary domain has to find the DC name itself */
- request->cmd = WINBINDD_INIT_CONNECTION;
- fstrcpy(request->domain_name, domain->name);
- request->data.init_conn.is_primary = domain->internal ? False : True;
- fstrcpy(request->data.init_conn.dcname, "");
- async_request(mem_ctx, &domain->child, request, response,
- init_child_recv, state);
- return WINBINDD_PENDING;
- }
-
- /* This is *not* the primary domain, let's ask our DC about a DC
- * name */
-
- request->cmd = WINBINDD_GETDCNAME;
- fstrcpy(request->domain_name, domain->name);
-
- request_domain = find_our_domain();
- async_domain_request(mem_ctx, request_domain, request, response,
- init_child_getdc_recv, state);
- return WINBINDD_PENDING;
+ state->response->data.domain_info.native_mode
+ = domain->native_mode;
+ state->response->data.domain_info.active_directory
+ = domain->active_directory;
+ state->response->data.domain_info.primary
+ = domain->primary;
+
+ return WINBINDD_OK;
}
-static void init_child_getdc_recv(void *private_data, bool success)
+static void wb_imsg_new_trusted_domain(struct imessaging_context *msg,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id server_id,
+ DATA_BLOB *data)
{
- struct init_child_state *state =
- talloc_get_type_abort(private_data, struct init_child_state);
- const char *dcname = "";
+ bool ok;
- DEBUG(10, ("Received getdcname response\n"));
+ DBG_NOTICE("Rescanning trusted domains\n");
- if (success && (state->response->result == WINBINDD_OK)) {
- dcname = state->response->data.dc_name;
+ ok = add_trusted_domains_dc();
+ if (!ok) {
+ DBG_ERR("Failed to reload trusted domains\n");
}
+}
- state->request->cmd = WINBINDD_INIT_CONNECTION;
- fstrcpy(state->request->domain_name, state->domain->name);
- state->request->data.init_conn.is_primary = False;
- fstrcpy(state->request->data.init_conn.dcname, dcname);
+/*
+ * We did not get the secret when we queried secrets.tdb, so read it
+ * from secrets.tdb and re-sync the databases
+ */
+static bool migrate_secrets_tdb_to_ldb(struct winbindd_domain *domain)
+{
+ bool ok;
+ struct cli_credentials *creds;
+ NTSTATUS can_migrate = pdb_get_trust_credentials(domain->name,
+ NULL, domain, &creds);
+ if (!NT_STATUS_IS_OK(can_migrate)) {
+ DEBUG(0, ("Failed to fetch our own, local AD domain join "
+ "password for winbindd's internal use, both from "
+ "secrets.tdb and secrets.ldb: %s\n",
+ nt_errstr(can_migrate)));
+ return false;
+ }
- async_request(state->mem_ctx, &state->domain->child,
- state->request, state->response,
- init_child_recv, state);
+ /*
+ * NOTE: It is very unlikely we end up here if there is an
+ * oldpass, because a new password is created at
+ * classicupgrade, so this is not a concern.
+ */
+ ok = secrets_store_machine_pw_sync(cli_credentials_get_password(creds),
+ NULL /* oldpass */,
+ cli_credentials_get_domain(creds),
+ cli_credentials_get_realm(creds),
+ cli_credentials_get_salt_principal(creds),
+ 0, /* Supported enc types, unused */
+ &domain->sid,
+ cli_credentials_get_password_last_changed_time(creds),
+ cli_credentials_get_secure_channel_type(creds),
+ false /* do_delete: Do not delete */);
+ TALLOC_FREE(creds);
+ if (ok == false) {
+ DEBUG(0, ("Failed to write our our own, "
+ "local AD domain join password for "
+ "winbindd's internal use into secrets.tdb\n"));
+ return false;
+ }
+ return true;
}
-static void init_child_recv(void *private_data, bool success)
+static bool add_trusted_domains_dc(void)
{
- struct init_child_state *state =
- talloc_get_type_abort(private_data, struct init_child_state);
+ struct winbindd_domain *domain = NULL;
+ struct pdb_trusted_domain **domains = NULL;
+ uint32_t num_domains = 0;
+ uint32_t i;
+ NTSTATUS status;
+
+ if (!(pdb_capabilities() & PDB_CAP_TRUSTED_DOMAINS_EX)) {
+ struct trustdom_info **ti = NULL;
+
+ status = pdb_enum_trusteddoms(talloc_tos(), &num_domains, &ti);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("pdb_enum_trusteddoms() failed - %s\n",
+ nt_errstr(status));
+ return false;
+ }
- DEBUG(5, ("Received child initialization response for domain %s\n",
- state->domain->name));
+ for (i = 0; i < num_domains; i++) {
+ status = add_trusted_domain(ti[i]->name,
+ NULL,
+ &ti[i]->sid,
+ LSA_TRUST_TYPE_DOWNLEVEL,
+ NETR_TRUST_FLAG_OUTBOUND,
+ 0,
+ SEC_CHAN_DOMAIN,
+ NULL,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_NOTICE("add_trusted_domain returned %s\n",
+ nt_errstr(status));
+ return false;
+ }
- if ((!success) || (state->response->result != WINBINDD_OK)) {
- DEBUG(3, ("Could not init child\n"));
- state->continuation(state->private_data, False);
- talloc_destroy(state->mem_ctx);
- return;
+ /* Even in the parent winbindd we'll need to
+ talk to the DC, so try and see if we can
+ contact it. Theoretically this isn't neccessary
+ as the init_dc_connection() in init_child_recv()
+ will do this, but we can start detecting the DC
+ early here. */
+ set_domain_online_request(domain);
+ }
+
+ return true;
}
- fstrcpy(state->domain->name,
- state->response->data.domain_info.name);
- fstrcpy(state->domain->alt_name,
- state->response->data.domain_info.alt_name);
- string_to_sid(&state->domain->sid,
- state->response->data.domain_info.sid);
- state->domain->native_mode =
- state->response->data.domain_info.native_mode;
- state->domain->active_directory =
- state->response->data.domain_info.active_directory;
+ status = pdb_enum_trusted_domains(talloc_tos(), &num_domains, &domains);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("pdb_enum_trusted_domains() failed - %s\n",
+ nt_errstr(status));
+ return false;
+ }
- init_dc_connection(state->domain);
+ for (i = 0; i < num_domains; i++) {
+ enum netr_SchannelType sec_chan_type = SEC_CHAN_DOMAIN;
+ uint32_t trust_flags = 0;
- if (state->continuation != NULL)
- state->continuation(state->private_data, True);
- talloc_destroy(state->mem_ctx);
-}
+ if (domains[i]->trust_type == LSA_TRUST_TYPE_UPLEVEL) {
+ sec_chan_type = SEC_CHAN_DNS_DOMAIN;
+ }
-enum winbindd_result winbindd_dual_init_connection(struct winbindd_domain *domain,
- struct winbindd_cli_state *state)
-{
- /* Ensure null termination */
- state->request.domain_name
- [sizeof(state->request.domain_name)-1]='\0';
- state->request.data.init_conn.dcname
- [sizeof(state->request.data.init_conn.dcname)-1]='\0';
+ if (!(domains[i]->trust_direction & LSA_TRUST_DIRECTION_OUTBOUND)) {
+ sec_chan_type = SEC_CHAN_NULL;
+ }
- if (strlen(state->request.data.init_conn.dcname) > 0) {
- fstrcpy(domain->dcname, state->request.data.init_conn.dcname);
- }
+ if (domains[i]->trust_direction & LSA_TRUST_DIRECTION_INBOUND) {
+ trust_flags |= NETR_TRUST_FLAG_INBOUND;
+ }
+ if (domains[i]->trust_direction & LSA_TRUST_DIRECTION_OUTBOUND) {
+ trust_flags |= NETR_TRUST_FLAG_OUTBOUND;
+ }
+ if (domains[i]->trust_attributes & LSA_TRUST_ATTRIBUTE_WITHIN_FOREST) {
+ trust_flags |= NETR_TRUST_FLAG_IN_FOREST;
+ }
- init_dc_connection(domain);
+ status = add_trusted_domain(domains[i]->netbios_name,
+ domains[i]->domain_name,
+ &domains[i]->security_identifier,
+ domains[i]->trust_type,
+ trust_flags,
+ domains[i]->trust_attributes,
+ sec_chan_type,
+ NULL,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_NOTICE("add_trusted_domain returned %s\n",
+ nt_errstr(status));
+ return false;
+ }
- if (!domain->initialized) {
- /* If we return error here we can't do any cached authentication,
- but we may be in disconnected mode and can't initialize correctly.
- Do what the previous code did and just return without initialization,
- once we go online we'll re-initialize.
- */
- DEBUG(5, ("winbindd_dual_init_connection: %s returning without initialization "
- "online = %d\n", domain->name, (int)domain->online ));
+ if (domains[i]->trust_type == LSA_TRUST_TYPE_UPLEVEL) {
+ domain->active_directory = true;
+ }
+ domain->domain_type = domains[i]->trust_type;
+ domain->domain_trust_attribs = domains[i]->trust_attributes;
+
+ if (sec_chan_type != SEC_CHAN_NULL) {
+ /* Even in the parent winbindd we'll need to
+ talk to the DC, so try and see if we can
+ contact it. Theoretically this isn't neccessary
+ as the init_dc_connection() in init_child_recv()
+ will do this, but we can start detecting the DC
+ early here. */
+ set_domain_online_request(domain);
+ }
}
- fstrcpy(state->response.data.domain_info.name, domain->name);
- fstrcpy(state->response.data.domain_info.alt_name, domain->alt_name);
- sid_to_string(state->response.data.domain_info.sid, &domain->sid);
-
- state->response.data.domain_info.native_mode
- = domain->native_mode;
- state->response.data.domain_info.active_directory
- = domain->active_directory;
- state->response.data.domain_info.primary
- = domain->primary;
+ for (i = 0; i < num_domains; i++) {
+ struct ForestTrustInfo fti;
+ uint32_t fi;
+ enum ndr_err_code ndr_err;
+ struct winbindd_domain *routing_domain = NULL;
- return WINBINDD_OK;
+ if (domains[i]->trust_type != LSA_TRUST_TYPE_UPLEVEL) {
+ continue;
+ }
+
+ if (!(domains[i]->trust_attributes & LSA_TRUST_ATTRIBUTE_FOREST_TRANSITIVE)) {
+ continue;
+ }
+
+ if (domains[i]->trust_forest_trust_info.length == 0) {
+ continue;
+ }
+
+ routing_domain = find_domain_from_name_noinit(
+ domains[i]->netbios_name);
+ if (routing_domain == NULL) {
+ DBG_ERR("Can't find winbindd domain [%s]\n",
+ domains[i]->netbios_name);
+ return false;
+ }
+
+ ndr_err = ndr_pull_struct_blob_all(
+ &domains[i]->trust_forest_trust_info,
+ talloc_tos(), &fti,
+ (ndr_pull_flags_fn_t)ndr_pull_ForestTrustInfo);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DBG_ERR("ndr_pull_ForestTrustInfo(%s) - %s\n",
+ domains[i]->netbios_name,
+ ndr_map_error2string(ndr_err));
+ return false;
+ }
+
+ for (fi = 0; fi < fti.count; fi++) {
+ struct ForestTrustInfoRecord *rec =
+ &fti.records[fi].record;
+ struct ForestTrustDataDomainInfo *drec = NULL;
+
+ if (rec->type != FOREST_TRUST_DOMAIN_INFO) {
+ continue;
+ }
+ drec = &rec->data.info;
+
+ if (rec->flags & LSA_NB_DISABLED_MASK) {
+ continue;
+ }
+
+ if (rec->flags & LSA_SID_DISABLED_MASK) {
+ continue;
+ }
+
+ /*
+ * TODO:
+ * also try to find a matching
+ * LSA_TLN_DISABLED_MASK ???
+ */
+
+ domain = find_domain_from_name_noinit(drec->netbios_name.string);
+ if (domain != NULL) {
+ continue;
+ }
+
+ status = add_trusted_domain(drec->netbios_name.string,
+ drec->dns_name.string,
+ &drec->sid,
+ LSA_TRUST_TYPE_UPLEVEL,
+ NETR_TRUST_FLAG_OUTBOUND,
+ 0,
+ SEC_CHAN_NULL,
+ routing_domain,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_NOTICE("add_trusted_domain returned %s\n",
+ nt_errstr(status));
+ return false;
+ }
+ if (domain == NULL) {
+ continue;
+ }
+ }
+ }
+
+ return true;
}
+
/* Look up global info for the winbind daemon */
bool init_domain_list(void)
{
- struct winbindd_domain *domain;
int role = lp_server_role();
+ struct pdb_domain_info *pdb_domain_info = NULL;
+ struct winbindd_domain *domain = NULL;
+ NTSTATUS status;
+ bool ok;
/* Free existing list */
free_domain_list();
/* BUILTIN domain */
- domain = add_trusted_domain("BUILTIN", NULL, &passdb_methods,
- &global_sid_Builtin);
- if (domain) {
- setup_domain_child(domain,
- &domain->child);
+ status = add_trusted_domain("BUILTIN",
+ NULL,
+ &global_sid_Builtin,
+ LSA_TRUST_TYPE_DOWNLEVEL,
+ 0, /* trust_flags */
+ 0, /* trust_attribs */
+ SEC_CHAN_LOCAL,
+ NULL,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("add_trusted_domain BUILTIN returned %s\n",
+ nt_errstr(status));
+ return false;
}
/* Local SAM */
- domain = add_trusted_domain(get_global_sam_name(), NULL,
- &passdb_methods, get_global_sam_sid());
- if (domain) {
- if ( role != ROLE_DOMAIN_MEMBER ) {
- domain->primary = True;
+ /*
+ * In case the passdb backend is passdb_dsdb the domain SID comes from
+ * dsdb, not from secrets.tdb. As we use the domain SID in various
+ * places, we must ensure the domain SID is migrated from dsdb to
+ * secrets.tdb before get_global_sam_sid() is called the first time.
+ *
+ * The migration is done as part of the passdb_dsdb initialisation,
+ * calling pdb_get_domain_info() triggers it.
+ */
+ pdb_domain_info = pdb_get_domain_info(talloc_tos());
+
+ if ( role == ROLE_ACTIVE_DIRECTORY_DC ) {
+ uint32_t trust_flags;
+ bool is_root;
+ enum netr_SchannelType sec_chan_type;
+ const char *account_name;
+ struct samr_Password current_nt_hash;
+
+ if (pdb_domain_info == NULL) {
+ DEBUG(0, ("Failed to fetch our own, local AD "
+ "domain info from sam.ldb\n"));
+ return false;
}
- setup_domain_child(domain,
- &domain->child);
- }
- /* Add ourselves as the first entry. */
+ trust_flags = NETR_TRUST_FLAG_PRIMARY;
+ trust_flags |= NETR_TRUST_FLAG_IN_FOREST;
+ trust_flags |= NETR_TRUST_FLAG_NATIVE;
+ trust_flags |= NETR_TRUST_FLAG_OUTBOUND;
- if ( role == ROLE_DOMAIN_MEMBER ) {
- DOM_SID our_sid;
+ is_root = strequal(pdb_domain_info->dns_domain,
+ pdb_domain_info->dns_forest);
+ if (is_root) {
+ trust_flags |= NETR_TRUST_FLAG_TREEROOT;
+ }
- if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
- DEBUG(0, ("Could not fetch our SID - did we join?\n"));
- return False;
+ status = add_trusted_domain(pdb_domain_info->name,
+ pdb_domain_info->dns_domain,
+ &pdb_domain_info->sid,
+ LSA_TRUST_TYPE_UPLEVEL,
+ trust_flags,
+ LSA_TRUST_ATTRIBUTE_WITHIN_FOREST,
+ SEC_CHAN_BDC,
+ NULL,
+ &domain);
+ TALLOC_FREE(pdb_domain_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("Failed to add our own, local AD "
+ "domain to winbindd's internal list\n");
+ return false;
}
-
- domain = add_trusted_domain( lp_workgroup(), lp_realm(),
- &cache_methods, &our_sid);
- if (domain) {
- domain->primary = True;
- setup_domain_child(domain,
- &domain->child);
- /* Even in the parent winbindd we'll need to
- talk to the DC, so try and see if we can
- contact it. Theoretically this isn't neccessary
- as the init_dc_connection() in init_child_recv()
- will do this, but we can start detecting the DC
- early here. */
- set_domain_online_request(domain);
+ /*
+ * We need to call this to find out if we are an RODC
+ */
+ ok = get_trust_pw_hash(domain->name,
+ current_nt_hash.hash,
+ &account_name,
+ &sec_chan_type);
+ if (!ok) {
+ /*
+ * If get_trust_pw_hash() fails, then try and
+ * fetch the password from the more recent of
+ * secrets.{ldb,tdb} using the
+ * pdb_get_trust_credentials()
+ */
+ ok = migrate_secrets_tdb_to_ldb(domain);
+
+ if (!ok) {
+ DEBUG(0, ("Failed to migrate our own, "
+ "local AD domain join password for "
+ "winbindd's internal use into "
+ "secrets.tdb\n"));
+ return false;
+ }
+ ok = get_trust_pw_hash(domain->name,
+ current_nt_hash.hash,
+ &account_name,
+ &sec_chan_type);
+ if (!ok) {
+ DEBUG(0, ("Failed to find our our own, just "
+ "written local AD domain join "
+ "password for winbindd's internal "
+ "use in secrets.tdb\n"));
+ return false;
+ }
}
- }
- return True;
-}
+ domain->secure_channel_type = sec_chan_type;
+ if (sec_chan_type == SEC_CHAN_RODC) {
+ domain->rodc = true;
+ }
-void check_domain_trusted( const char *name, const DOM_SID *user_sid )
-{
- struct winbindd_domain *domain;
- DOM_SID dom_sid;
- uint32 rid;
-
- domain = find_domain_from_name_noinit( name );
- if ( domain )
- return;
-
- sid_copy( &dom_sid, user_sid );
- if ( !sid_split_rid( &dom_sid, &rid ) )
- return;
-
- /* add the newly discovered trusted domain */
+ } else {
+ uint32_t trust_flags;
+ enum netr_SchannelType secure_channel_type;
- domain = add_trusted_domain( name, NULL, &cache_methods,
- &dom_sid);
+ trust_flags = NETR_TRUST_FLAG_OUTBOUND;
+ if (role != ROLE_DOMAIN_MEMBER) {
+ trust_flags |= NETR_TRUST_FLAG_PRIMARY;
+ }
- if ( !domain )
- return;
+ if (role > ROLE_DOMAIN_MEMBER) {
+ secure_channel_type = SEC_CHAN_BDC;
+ } else {
+ secure_channel_type = SEC_CHAN_LOCAL;
+ }
+
+ status = add_trusted_domain(get_global_sam_name(),
+ NULL,
+ get_global_sam_sid(),
+ LSA_TRUST_TYPE_DOWNLEVEL,
+ trust_flags,
+ 0, /* trust_attribs */
+ secure_channel_type,
+ NULL,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("Failed to add local SAM to "
+ "domain to winbindd's internal list\n");
+ return false;
+ }
+ }
+
+ if (IS_DC) {
+ ok = add_trusted_domains_dc();
+ if (!ok) {
+ DBG_ERR("init_domain_list_dc failed\n");
+ return false;
+ }
+ }
+
+ if ( role == ROLE_DOMAIN_MEMBER ) {
+ struct dom_sid our_sid;
+ uint32_t trust_type;
+
+ if (!secrets_fetch_domain_sid(lp_workgroup(), &our_sid)) {
+ DEBUG(0, ("Could not fetch our SID - did we join?\n"));
+ return False;
+ }
- /* assume this is a trust from a one-way transitive
- forest trust */
+ if (lp_realm() != NULL) {
+ trust_type = LSA_TRUST_TYPE_UPLEVEL;
+ } else {
+ trust_type = LSA_TRUST_TYPE_DOWNLEVEL;
+ }
- domain->active_directory = True;
- domain->domain_flags = DS_DOMAIN_DIRECT_OUTBOUND;
- domain->domain_type = DS_DOMAIN_TRUST_TYPE_UPLEVEL;
- domain->internal = False;
- domain->online = True;
+ status = add_trusted_domain(lp_workgroup(),
+ lp_realm(),
+ &our_sid,
+ trust_type,
+ NETR_TRUST_FLAG_PRIMARY|
+ NETR_TRUST_FLAG_OUTBOUND,
+ 0, /* trust_attribs */
+ SEC_CHAN_WKSTA,
+ NULL,
+ &domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("Failed to add local SAM to "
+ "domain to winbindd's internal list\n");
+ return false;
+ }
+ /* Even in the parent winbindd we'll need to
+ talk to the DC, so try and see if we can
+ contact it. Theoretically this isn't neccessary
+ as the init_dc_connection() in init_child_recv()
+ will do this, but we can start detecting the DC
+ early here. */
+ set_domain_online_request(domain);
- setup_domain_child(domain,
- &domain->child);
+ }
- wcache_tdc_add_domain( domain );
+ status = imessaging_register(winbind_imessaging_context(), NULL,
+ MSG_WINBIND_RELOAD_TRUSTED_DOMAINS,
+ wb_imsg_new_trusted_domain);
+ if (!NT_STATUS_IS_OK(status)) {
+ DBG_ERR("imessaging_register failed %s\n", nt_errstr(status));
+ return false;
+ }
- return;
+ return True;
}
-/**
- * Given a domain name, return the struct winbindd domain info for it
+/**
+ * Given a domain name, return the struct winbindd domain info for it
*
* @note Do *not* pass lp_workgroup() to this function. domain_list
* may modify it's value, and free that pointer. Instead, our local
/* Search through list */
for (domain = domain_list(); domain != NULL; domain = domain->next) {
- if (strequal(domain_name, domain->name) ||
- (domain->alt_name[0] &&
- strequal(domain_name, domain->alt_name))) {
+ if (strequal(domain_name, domain->name)) {
+ return domain;
+ }
+ if (domain->alt_name == NULL) {
+ continue;
+ }
+ if (strequal(domain_name, domain->alt_name)) {
return domain;
}
}
return NULL;
}
+/**
+ * Given a domain name, return the struct winbindd domain if it's a direct
+ * outgoing trust
+ *
+ * @return The domain structure for the named domain, if it is a direct outgoing trust
+ */
+struct winbindd_domain *find_trust_from_name_noinit(const char *domain_name)
+{
+ struct winbindd_domain *domain = NULL;
+
+ domain = find_domain_from_name_noinit(domain_name);
+ if (domain == NULL) {
+ return NULL;
+ }
+
+ if (domain->secure_channel_type != SEC_CHAN_NULL) {
+ return domain;
+ }
+
+ return NULL;
+}
+
struct winbindd_domain *find_domain_from_name(const char *domain_name)
{
struct winbindd_domain *domain;
return NULL;
if (!domain->initialized)
- init_dc_connection(domain);
+ init_dc_connection(domain, false);
return domain;
}
/* Given a domain sid, return the struct winbindd domain info for it */
-struct winbindd_domain *find_domain_from_sid_noinit(const DOM_SID *sid)
+struct winbindd_domain *find_domain_from_sid_noinit(const struct dom_sid *sid)
{
struct winbindd_domain *domain;
/* Search through list */
for (domain = domain_list(); domain != NULL; domain = domain->next) {
- if (sid_compare_domain(sid, &domain->sid) == 0)
+ if (dom_sid_compare_domain(sid, &domain->sid) == 0)
return domain;
}
return NULL;
}
+/**
+ * Given a domain sid, return the struct winbindd domain if it's a direct
+ * outgoing trust
+ *
+ * @return The domain structure for the specified domain, if it is a direct outgoing trust
+ */
+struct winbindd_domain *find_trust_from_sid_noinit(const struct dom_sid *sid)
+{
+ struct winbindd_domain *domain = NULL;
+
+ domain = find_domain_from_sid_noinit(sid);
+ if (domain == NULL) {
+ return NULL;
+ }
+
+ if (domain->secure_channel_type != SEC_CHAN_NULL) {
+ return domain;
+ }
+
+ return NULL;
+}
+
/* Given a domain sid, return the struct winbindd domain info for it */
-struct winbindd_domain *find_domain_from_sid(const DOM_SID *sid)
+struct winbindd_domain *find_domain_from_sid(const struct dom_sid *sid)
{
struct winbindd_domain *domain;
return NULL;
if (!domain->initialized)
- init_dc_connection(domain);
+ init_dc_connection(domain, false);
return domain;
}
return NULL;
}
-struct winbindd_domain *find_root_domain(void)
-{
- struct winbindd_domain *ours = find_our_domain();
-
- if ( !ours )
- return NULL;
-
- if ( strlen(ours->forest_name) == 0 )
- return NULL;
-
- return find_domain_from_name( ours->forest_name );
-}
-
-struct winbindd_domain *find_builtin_domain(void)
+struct winbindd_domain *find_default_route_domain(void)
{
- DOM_SID sid;
- struct winbindd_domain *domain;
-
- string_to_sid(&sid, "S-1-5-32");
- domain = find_domain_from_sid(&sid);
-
- if (domain == NULL) {
- smb_panic("Could not find BUILTIN domain");
+ if (!IS_DC) {
+ return find_our_domain();
}
-
- return domain;
+ DBG_DEBUG("Routing logic not yet implemented on a DC\n");
+ return NULL;
}
/* Find the appropriate domain to lookup a name or SID */
-struct winbindd_domain *find_lookup_domain_from_sid(const DOM_SID *sid)
+struct winbindd_domain *find_lookup_domain_from_sid(const struct dom_sid *sid)
{
- /* SIDs in the S-1-22-{1,2} domain should be handled by our passdb */
+ DBG_DEBUG("SID [%s]\n", sid_string_dbg(sid));
+
+ /*
+ * SIDs in the S-1-22-{1,2} domain and well-known SIDs should be handled
+ * by our passdb.
+ */
- if ( sid_check_is_in_unix_groups(sid) ||
+ if ( sid_check_is_in_unix_groups(sid) ||
sid_check_is_unix_groups(sid) ||
sid_check_is_in_unix_users(sid) ||
- sid_check_is_unix_users(sid) )
+ sid_check_is_unix_users(sid) ||
+ sid_check_is_wellknown_domain(sid, NULL) ||
+ sid_check_is_in_wellknown_domain(sid) )
{
return find_domain_from_sid(get_global_sam_sid());
}
- /* A DC can't ask the local smbd for remote SIDs, here winbindd is the
- * one to contact the external DC's. On member servers the internal
- * domains are different: These are part of the local SAM. */
+ /*
+ * On member servers the internal domains are different: These are part
+ * of the local SAM.
+ */
- DEBUG(10, ("find_lookup_domain_from_sid(%s)\n", sid_string_dbg(sid)));
-
- if (IS_DC || is_internal_domain(sid) || is_in_internal_domain(sid)) {
+ if (is_internal_domain(sid) || is_in_internal_domain(sid)) {
DEBUG(10, ("calling find_domain_from_sid\n"));
return find_domain_from_sid(sid);
- }
+ }
+
+ if (IS_DC) {
+ struct winbindd_domain *domain = NULL;
+
+ domain = find_domain_from_sid_noinit(sid);
+ if (domain == NULL) {
+ return NULL;
+ }
+
+ if (domain->secure_channel_type != SEC_CHAN_NULL) {
+ return domain;
+ }
+
+ return domain->routing_domain;
+ }
/* On a member server a query for SID or name can always go to our
* primary DC. */
if ( strequal(domain_name, unix_users_domain_name() ) ||
strequal(domain_name, unix_groups_domain_name() ) )
{
+ /*
+ * The "Unix User" and "Unix Group" domain our handled by
+ * passdb
+ */
return find_domain_from_name_noinit( get_global_sam_name() );
}
- if (IS_DC || strequal(domain_name, "BUILTIN") ||
+ if (strequal(domain_name, "BUILTIN") ||
strequal(domain_name, get_global_sam_name()))
return find_domain_from_name_noinit(domain_name);
- /* The "Unix User" and "Unix Group" domain our handled by passdb */
-
- return find_our_domain();
-}
-
-/* Lookup a sid in a domain from a name */
-
-bool winbindd_lookup_sid_by_name(TALLOC_CTX *mem_ctx,
- enum winbindd_cmd orig_cmd,
- struct winbindd_domain *domain,
- const char *domain_name,
- const char *name, DOM_SID *sid,
- enum lsa_SidType *type)
-{
- NTSTATUS result;
-
- /* Lookup name */
- result = domain->methods->name_to_sid(domain, mem_ctx, orig_cmd,
- domain_name, name, sid, type);
-
- /* Return sid and type if lookup successful */
- if (!NT_STATUS_IS_OK(result)) {
- *type = SID_NAME_UNKNOWN;
- }
-
- return NT_STATUS_IS_OK(result);
-}
-
-/**
- * @brief Lookup a name in a domain from a sid.
- *
- * @param sid Security ID you want to look up.
- * @param name On success, set to the name corresponding to @p sid.
- * @param dom_name On success, set to the 'domain name' corresponding to @p sid.
- * @param type On success, contains the type of name: alias, group or
- * user.
- * @retval True if the name exists, in which case @p name and @p type
- * are set, otherwise False.
- **/
-bool winbindd_lookup_name_by_sid(TALLOC_CTX *mem_ctx,
- struct winbindd_domain *domain,
- DOM_SID *sid,
- char **dom_name,
- char **name,
- enum lsa_SidType *type)
-{
- NTSTATUS result;
+ if (IS_DC) {
+ struct winbindd_domain *domain = NULL;
- *dom_name = NULL;
- *name = NULL;
-
- /* Lookup name */
+ domain = find_domain_from_name_noinit(domain_name);
+ if (domain == NULL) {
+ return NULL;
+ }
- result = domain->methods->sid_to_name(domain, mem_ctx, sid, dom_name, name, type);
+ if (domain->secure_channel_type != SEC_CHAN_NULL) {
+ return domain;
+ }
- /* Return name and type if successful */
-
- if (NT_STATUS_IS_OK(result)) {
- return True;
+ return domain->routing_domain;
}
- *type = SID_NAME_UNKNOWN;
-
- return False;
-}
-
-/* Free state information held for {set,get,end}{pw,gr}ent() functions */
-
-void free_getent_state(struct getent_state *state)
-{
- struct getent_state *temp;
-
- /* Iterate over state list */
-
- temp = state;
-
- while(temp != NULL) {
- struct getent_state *next;
-
- /* Free sam entries then list entry */
-
- SAFE_FREE(state->sam_entries);
- DLIST_REMOVE(state, state);
- next = temp->next;
-
- SAFE_FREE(temp);
- temp = next;
- }
+ return find_our_domain();
}
/* Is this a domain which we may assume no DOMAIN\ prefix? */
if ( !strequal(lp_workgroup(), domain) )
return False;
- if ( lp_winbind_use_default_domain() || lp_winbind_trusted_domains_only() )
+ if ( lp_winbind_use_default_domain() )
return True;
- }
+ }
/* only left with a domain controller */
if ( strequal(get_global_sam_name(), domain) ) {
return True;
}
-
+
return False;
}
if ( !p ) {
fstrcpy(user, domuser);
+ p = strchr(domuser, '@');
- if ( assume_domain(lp_workgroup())) {
+ if ( assume_domain(lp_workgroup()) && p == NULL) {
fstrcpy(domain, lp_workgroup());
- } else if ((p = strchr(domuser, '@')) != NULL) {
- fstrcpy(domain, "");
+ } else if (p != NULL) {
+ fstrcpy(domain, p + 1);
+ user[PTR_DIFF(p, domuser)] = 0;
} else {
return False;
}
fstrcpy(domain, domuser);
domain[PTR_DIFF(p, domuser)] = 0;
}
-
- strupper_m(domain);
-
- return True;
+
+ return strupper_m(domain);
}
bool parse_domain_user_talloc(TALLOC_CTX *mem_ctx, const char *domuser,
If we are a PDC or BDC, and this is for our domain, do likewise.
- Also, if omit DOMAIN if 'winbind trusted domains only = true', as the
- username is then unqualified in unix
+ On an AD DC we always fill DOMAIN\\USERNAME.
We always canonicalize as UPPERCASE DOMAIN, lowercase username.
*/
{
fstring tmp_user;
+ if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC) {
+ can_assume = false;
+ }
+
fstrcpy(tmp_user, user);
- strlower_m(tmp_user);
+ (void)strlower_m(tmp_user);
if (can_assume && assume_domain(domain)) {
strlcpy(name, tmp_user, sizeof(fstring));
}
}
-/*
- * Winbindd socket accessor functions
+/**
+ * talloc version of fill_domain_username()
+ * return NULL on talloc failure.
*/
-
-const char *get_winbind_pipe_dir(void)
-{
- return lp_parm_const_string(-1, "winbindd", "socket dir", WINBINDD_SOCKET_DIR);
-}
-
-char *get_winbind_priv_pipe_dir(void)
+char *fill_domain_username_talloc(TALLOC_CTX *mem_ctx,
+ const char *domain,
+ const char *user,
+ bool can_assume)
{
- return lock_path(WINBINDD_PRIV_SOCKET_SUBDIR);
-}
-
-/* Open the winbindd socket */
+ char *tmp_user, *name;
-static int _winbindd_socket = -1;
-static int _winbindd_priv_socket = -1;
-
-int open_winbindd_socket(void)
-{
- if (_winbindd_socket == -1) {
- _winbindd_socket = create_pipe_sock(
- get_winbind_pipe_dir(), WINBINDD_SOCKET_NAME, 0755);
- DEBUG(10, ("open_winbindd_socket: opened socket fd %d\n",
- _winbindd_socket));
+ if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC) {
+ can_assume = false;
}
- return _winbindd_socket;
-}
-
-int open_winbindd_priv_socket(void)
-{
- if (_winbindd_priv_socket == -1) {
- _winbindd_priv_socket = create_pipe_sock(
- get_winbind_priv_pipe_dir(), WINBINDD_SOCKET_NAME, 0750);
- DEBUG(10, ("open_winbindd_priv_socket: opened socket fd %d\n",
- _winbindd_priv_socket));
+ tmp_user = talloc_strdup(mem_ctx, user);
+ if (!strlower_m(tmp_user)) {
+ TALLOC_FREE(tmp_user);
+ return NULL;
}
- return _winbindd_priv_socket;
-}
-
-/* Close the winbindd socket */
-
-void close_winbindd_socket(void)
-{
- if (_winbindd_socket != -1) {
- DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
- _winbindd_socket));
- close(_winbindd_socket);
- _winbindd_socket = -1;
- }
- if (_winbindd_priv_socket != -1) {
- DEBUG(10, ("close_winbindd_socket: closing socket fd %d\n",
- _winbindd_priv_socket));
- close(_winbindd_priv_socket);
- _winbindd_priv_socket = -1;
+ if (can_assume && assume_domain(domain)) {
+ name = tmp_user;
+ } else {
+ name = talloc_asprintf(mem_ctx, "%s%c%s",
+ domain,
+ *lp_winbind_separator(),
+ tmp_user);
+ TALLOC_FREE(tmp_user);
}
+
+ return name;
}
/*
return _client_list;
}
+/* Return list-tail of all connected clients */
+
+struct winbindd_cli_state *winbindd_client_list_tail(void)
+{
+ return DLIST_TAIL(_client_list);
+}
+
+/* Return previous (read:newer) client in list */
+
+struct winbindd_cli_state *
+winbindd_client_list_prev(struct winbindd_cli_state *cli)
+{
+ return DLIST_PREV(cli);
+}
+
/* Add a connection to the list */
void winbindd_add_client(struct winbindd_cli_state *cli)
{
+ cli->last_access = time(NULL);
DLIST_ADD(_client_list, cli);
_num_clients++;
}
_num_clients--;
}
-/* Close all open clients */
+/* Move a client to head or list */
-void winbindd_kill_all_clients(void)
+void winbindd_promote_client(struct winbindd_cli_state *cli)
{
- struct winbindd_cli_state *cl = winbindd_client_list();
-
- DEBUG(10, ("winbindd_kill_all_clients: going postal\n"));
-
- while (cl) {
- struct winbindd_cli_state *next;
-
- next = cl->next;
- winbindd_remove_client(cl);
- cl = next;
- }
+ cli->last_access = time(NULL);
+ DLIST_PROMOTE(_client_list, cli);
}
/* Return number of open clients */
return _num_clients;
}
-NTSTATUS lookup_usergroups_cached(struct winbindd_domain *domain,
- TALLOC_CTX *mem_ctx,
- const DOM_SID *user_sid,
- uint32 *p_num_groups, DOM_SID **user_sids)
+NTSTATUS lookup_usergroups_cached(TALLOC_CTX *mem_ctx,
+ const struct dom_sid *user_sid,
+ uint32_t *p_num_groups, struct dom_sid **user_sids)
{
- NET_USER_INFO_3 *info3 = NULL;
+ struct netr_SamInfo3 *info3 = NULL;
NTSTATUS status = NT_STATUS_NO_MEMORY;
- int i;
- size_t num_groups = 0;
- DOM_SID group_sid, primary_group;
-
+ uint32_t num_groups = 0;
+
DEBUG(3,(": lookup_usergroups_cached\n"));
-
+
*user_sids = NULL;
- num_groups = 0;
*p_num_groups = 0;
info3 = netsamlogon_cache_get(mem_ctx, user_sid);
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
- if (info3->num_groups == 0) {
- TALLOC_FREE(info3);
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- /* always add the primary group to the sid array */
- sid_compose(&primary_group, &info3->dom_sid.sid, info3->user_rid);
-
- if (!add_sid_to_array(mem_ctx, &primary_group, user_sids, &num_groups)) {
+ /*
+ * Before bug #7843 the "Domain Local" groups were added with a
+ * lookupuseraliases call, but this isn't done anymore for our domain
+ * so we need to resolve resource groups here.
+ *
+ * When to use Resource Groups:
+ * http://technet.microsoft.com/en-us/library/cc753670%28v=WS.10%29.aspx
+ */
+ status = sid_array_from_info3(mem_ctx, info3,
+ user_sids,
+ &num_groups,
+ false);
+
+ if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(info3);
- return NT_STATUS_NO_MEMORY;
- }
-
- for (i=0; i<info3->num_groups; i++) {
- sid_copy(&group_sid, &info3->dom_sid.sid);
- sid_append_rid(&group_sid, info3->gids[i].g_rid);
-
- if (!add_sid_to_array(mem_ctx, &group_sid, user_sids,
- &num_groups)) {
- TALLOC_FREE(info3);
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- /* Add any Universal groups in the other_sids list */
-
- for (i=0; i<info3->num_other_sids; i++) {
- /* Skip Domain local groups outside our domain.
- We'll get these from the getsidaliases() RPC call. */
- if (info3->other_sids_attrib[i] & SE_GROUP_RESOURCE)
- continue;
-
- if (!add_sid_to_array(mem_ctx, &info3->other_sids[i].sid,
- user_sids, &num_groups))
- {
- TALLOC_FREE(info3);
- return NT_STATUS_NO_MEMORY;
- }
+ return status;
}
-
TALLOC_FREE(info3);
*p_num_groups = num_groups;
status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
-
+
DEBUG(3,(": lookup_usergroups_cached succeeded\n"));
return status;
We use this to remove spaces from user and group names
********************************************************************/
-void ws_name_replace( char *name, char replace )
+NTSTATUS normalize_name_map(TALLOC_CTX *mem_ctx,
+ const char *domain_name,
+ const char *name,
+ char **normalized)
{
- char replace_char[2] = { 0x0, 0x0 };
-
- if ( !lp_winbind_normalize_names() || (replace == '\0') )
- return;
+ struct winbindd_domain *domain = NULL;
+ NTSTATUS nt_status;
- replace_char[0] = replace;
- all_string_sub( name, " ", replace_char, 0 );
+ if (!name || !normalized) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (!lp_winbind_normalize_names()) {
+ return NT_STATUS_PROCEDURE_NOT_FOUND;
+ }
+
+ domain = find_domain_from_name_noinit(domain_name);
+ if (domain == NULL) {
+ DBG_ERR("Failed to find domain '%s'\n", domain_name);
+ return NT_STATUS_NO_SUCH_DOMAIN;
+ }
+
+ /* Alias support and whitespace replacement are mutually
+ exclusive */
+
+ nt_status = resolve_username_to_alias(mem_ctx, domain,
+ name, normalized );
+ if (NT_STATUS_IS_OK(nt_status)) {
+ /* special return code to let the caller know we
+ mapped to an alias */
+ return NT_STATUS_FILE_RENAMED;
+ }
+
+ /* check for an unreachable domain */
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
+ DEBUG(5,("normalize_name_map: Setting domain %s offline\n",
+ domain->name));
+ set_domain_offline(domain);
+ return nt_status;
+ }
+
+ /* deal with whitespace */
+
+ *normalized = talloc_strdup(mem_ctx, name);
+ if (!(*normalized)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ all_string_sub( *normalized, " ", "_", 0 );
- return;
+ return NT_STATUS_OK;
}
/*********************************************************************
- We use this to do the inverse of ws_name_replace()
+ We use this to do the inverse of normalize_name_map()
********************************************************************/
-void ws_name_return( char *name, char replace )
+NTSTATUS normalize_name_unmap(TALLOC_CTX *mem_ctx,
+ char *name,
+ char **normalized)
{
- char replace_char[2] = { 0x0, 0x0 };
-
- if ( !lp_winbind_normalize_names() || (replace == '\0') )
- return;
-
- replace_char[0] = replace;
- all_string_sub( name, replace_char, " ", 0 );
+ NTSTATUS nt_status;
+ struct winbindd_domain *domain = find_our_domain();
+
+ if (!name || !normalized) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (!lp_winbind_normalize_names()) {
+ return NT_STATUS_PROCEDURE_NOT_FOUND;
+ }
+
+ /* Alias support and whitespace replacement are mutally
+ exclusive */
+
+ /* When mapping from an alias to a username, we don't know the
+ domain. But we only need a domain structure to cache
+ a successful lookup , so just our own domain structure for
+ the seqnum. */
+
+ nt_status = resolve_alias_to_username(mem_ctx, domain,
+ name, normalized);
+ if (NT_STATUS_IS_OK(nt_status)) {
+ /* Special return code to let the caller know we mapped
+ from an alias */
+ return NT_STATUS_FILE_RENAMED;
+ }
+
+ /* check for an unreachable domain */
+
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND)) {
+ DEBUG(5,("normalize_name_unmap: Setting domain %s offline\n",
+ domain->name));
+ set_domain_offline(domain);
+ return nt_status;
+ }
+
+ /* deal with whitespace */
+
+ *normalized = talloc_strdup(mem_ctx, name);
+ if (!(*normalized)) {
+ return NT_STATUS_NO_MEMORY;
+ }
- return;
+ all_string_sub(*normalized, "_", " ", 0);
+
+ return NT_STATUS_OK;
}
/*********************************************************************
********************************************************************/
-bool winbindd_can_contact_domain( struct winbindd_domain *domain )
+bool winbindd_can_contact_domain(struct winbindd_domain *domain)
{
+ struct winbindd_tdc_domain *tdc = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+ bool ret = false;
+
/* We can contact the domain if it is our primary domain */
- if ( domain->primary )
- return True;
+ if (domain->primary) {
+ ret = true;
+ goto done;
+ }
+
+ /* Trust the TDC cache and not the winbindd_domain flags */
+
+ if ((tdc = wcache_tdc_fetch_domain(frame, domain->name)) == NULL) {
+ DEBUG(10,("winbindd_can_contact_domain: %s not found in cache\n",
+ domain->name));
+ ret = false;
+ goto done;
+ }
/* Can always contact a domain that is in out forest */
- if ( domain->domain_flags & DS_DOMAIN_IN_FOREST )
- return True;
+ if (tdc->trust_flags & NETR_TRUST_FLAG_IN_FOREST) {
+ ret = true;
+ goto done;
+ }
- /* We cannot contact the domain if it is running AD and
- we have no inbound trust */
+ /*
+ * On a _member_ server, we cannot contact the domain if it
+ * is running AD and we have no inbound trust.
+ */
- if ( domain->active_directory &&
- ((domain->domain_flags&DS_DOMAIN_DIRECT_INBOUND) != DS_DOMAIN_DIRECT_INBOUND) )
+ if (!IS_DC &&
+ domain->active_directory &&
+ ((tdc->trust_flags & NETR_TRUST_FLAG_INBOUND) != NETR_TRUST_FLAG_INBOUND))
{
- return False;
+ DEBUG(10, ("winbindd_can_contact_domain: %s is an AD domain "
+ "and we have no inbound trust.\n", domain->name));
+ goto done;
}
-
+
/* Assume everything else is ok (probably not true but what
can you do?) */
-
- return True;
+
+ ret = true;
+
+done:
+ talloc_destroy(frame);
+
+ return ret;
}
/*********************************************************************
}
#endif /* HAVE_KRB5_LOCATE_PLUGIN_H */
+
+void set_auth_errors(struct winbindd_response *resp, NTSTATUS result)
+{
+ resp->data.auth.nt_status = NT_STATUS_V(result);
+ fstrcpy(resp->data.auth.nt_status_string, nt_errstr(result));
+
+ /* we might have given a more useful error above */
+ if (*resp->data.auth.error_string == '\0')
+ fstrcpy(resp->data.auth.error_string,
+ get_friendly_nt_error_msg(result));
+ resp->data.auth.pam_error = nt_status_to_pam(result);
+}
+
+bool is_domain_offline(const struct winbindd_domain *domain)
+{
+ if (get_global_winbindd_state_offline()) {
+ return true;
+ }
+ return !domain->online;
+}
+
+bool is_domain_online(const struct winbindd_domain *domain)
+{
+ return !is_domain_offline(domain);
+}
+
+/**
+ * Parse an char array into a list of sids.
+ *
+ * The input sidstr should consist of 0-terminated strings
+ * representing sids, separated by newline characters '\n'.
+ * The list is terminated by an empty string, i.e.
+ * character '\0' directly following a character '\n'
+ * (or '\0' right at the start of sidstr).
+ */
+bool parse_sidlist(TALLOC_CTX *mem_ctx, const char *sidstr,
+ struct dom_sid **sids, uint32_t *num_sids)
+{
+ const char *p;
+
+ p = sidstr;
+ if (p == NULL)
+ return False;
+
+ while (p[0] != '\0') {
+ struct dom_sid sid;
+ const char *q = NULL;
+
+ if (!dom_sid_parse_endp(p, &sid, &q)) {
+ DEBUG(1, ("Could not parse sid %s\n", p));
+ return false;
+ }
+ if (q[0] != '\n') {
+ DEBUG(1, ("Got invalid sidstr: %s\n", p));
+ return false;
+ }
+ if (!NT_STATUS_IS_OK(add_sid_to_array(mem_ctx, &sid, sids,
+ num_sids)))
+ {
+ return False;
+ }
+ p = q+1;
+ }
+ return True;
+}
+
+bool parse_xidlist(TALLOC_CTX *mem_ctx, const char *xidstr,
+ struct unixid **pxids, uint32_t *pnum_xids)
+{
+ const char *p;
+ struct unixid *xids = NULL;
+ uint32_t num_xids = 0;
+
+ p = xidstr;
+ if (p == NULL) {
+ return false;
+ }
+
+ while (p[0] != '\0') {
+ struct unixid *tmp;
+ struct unixid xid;
+ unsigned long long id;
+ char *endp;
+
+ switch (p[0]) {
+ case 'U':
+ xid = (struct unixid) { .type = ID_TYPE_UID };
+ break;
+ case 'G':
+ xid = (struct unixid) { .type = ID_TYPE_GID };
+ break;
+ default:
+ return false;
+ }
+
+ p += 1;
+
+ id = strtoull(p, &endp, 10);
+ if ((id == ULLONG_MAX) && (errno == ERANGE)) {
+ goto fail;
+ }
+ if (*endp != '\n') {
+ goto fail;
+ }
+ p = endp+1;
+
+ xid.id = id;
+ if ((unsigned long long)xid.id != id) {
+ goto fail;
+ }
+
+ tmp = talloc_realloc(mem_ctx, xids, struct unixid, num_xids+1);
+ if (tmp == NULL) {
+ return 0;
+ }
+ xids = tmp;
+
+ xids[num_xids] = xid;
+ num_xids += 1;
+ }
+
+ *pxids = xids;
+ *pnum_xids = num_xids;
+ return true;
+
+fail:
+ TALLOC_FREE(xids);
+ return false;
+}