-/*
+/*
Unix SMB/CIFS implementation.
Winbind ADS backend functions
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
+extern struct winbindd_methods reconnect_methods;
+
/*
return our ads connections structure for a domain. We keep the connection
open to make things faster
{
ADS_STRUCT *ads;
ADS_STATUS status;
+ fstring dc_name;
+ struct in_addr dc_ip;
+
+ DEBUG(10,("ads_cached_connection\n"));
- if (domain->private) {
- ads = (ADS_STRUCT *)domain->private;
+ if (domain->private_data) {
+
+ time_t expire;
+ time_t now = time(NULL);
/* check for a valid structure */
+ ads = (ADS_STRUCT *)domain->private_data;
+
+ expire = MIN(ads->auth.tgt_expire, ads->auth.tgs_expire);
+
+ DEBUG(7, ("Current tickets expire in %d seconds (at %d, time is now %d)\n",
+ (uint32)expire-(uint32)now, (uint32) expire, (uint32) now));
- DEBUG(7, ("Current tickets expire at %d, time is now %d\n",
- (uint32) ads->auth.expire, (uint32) time(NULL)));
- if ( ads->config.realm && (ads->auth.expire > time(NULL))) {
+ if ( ads->config.realm && (expire > now)) {
return ads;
- }
- else {
+ } else {
/* we own this ADS_STRUCT so make sure it goes away */
+ DEBUG(7,("Deleting expired krb5 credential cache\n"));
ads->is_mine = True;
ads_destroy( &ads );
ads_kdestroy("MEMORY:winbind_ccache");
- domain->private = NULL;
+ domain->private_data = NULL;
}
}
}
/* the machine acct password might have change - fetch it every time */
- SAFE_FREE(ads->auth.password);
- ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
+ SAFE_FREE(ads->auth.password);
SAFE_FREE(ads->auth.realm);
- ads->auth.realm = SMB_STRDUP(lp_realm());
+ if ( IS_DC ) {
+ DOM_SID sid;
+ time_t last_set_time;
+
+ if ( !pdb_get_trusteddom_pw( domain->name, &ads->auth.password, &sid, &last_set_time ) ) {
+ ads_destroy( &ads );
+ return NULL;
+ }
+ ads->auth.realm = SMB_STRDUP( ads->server.realm );
+ strupper_m( ads->auth.realm );
+ }
+ else {
+ struct winbindd_domain *our_domain = domain;
+
+ ads->auth.password = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
+
+ /* always give preference to the alt_name in our
+ primary domain if possible */
+
+ if ( !domain->primary )
+ our_domain = find_our_domain();
+
+ if ( our_domain->alt_name[0] != '\0' ) {
+ ads->auth.realm = SMB_STRDUP( our_domain->alt_name );
+ strupper_m( ads->auth.realm );
+ }
+ else
+ ads->auth.realm = SMB_STRDUP( lp_realm() );
+ }
+
+ ads->auth.renewable = WINBINDD_PAM_AUTH_KRB5_RENEW_TIME;
+
+ /* Setup the server affinity cache. We don't reaally care
+ about the name. Just setup affinity and the KRB5_CONFIG
+ file. */
+
+ get_dc_name( ads->server.workgroup, ads->server.realm, dc_name, &dc_ip );
+
status = ads_connect(ads);
if (!ADS_ERR_OK(status) || !ads->config.realm) {
- extern struct winbindd_methods msrpc_methods, cache_methods;
DEBUG(1,("ads_connect for domain %s failed: %s\n",
domain->name, ads_errstr(status)));
ads_destroy(&ads);
server, fall back to MSRPC */
if (status.error_type == ENUM_ADS_ERROR_SYSTEM &&
status.err.rc == ECONNREFUSED) {
+ /* 'reconnect_methods' is the MS-RPC backend. */
DEBUG(1,("Trying MSRPC methods\n"));
- if (domain->methods == &cache_methods) {
- domain->backend = &msrpc_methods;
- } else {
- domain->methods = &msrpc_methods;
- }
+ domain->backend = &reconnect_methods;
}
return NULL;
}
ads->is_mine = False;
- domain->private = (void *)ads;
+ domain->private_data = (void *)ads;
return ads;
}
WINBIND_USERINFO **info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"userPrincipalName",
- "sAMAccountName",
- "name", "objectSid", "primaryGroupID",
- "sAMAccountType", NULL};
+ const char *attrs[] = { "*", NULL };
int i, count;
ADS_STATUS rc;
- void *res = NULL;
- void *msg = NULL;
+ LDAPMessage *res = NULL;
+ LDAPMessage *msg = NULL;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
*num_entries = 0;
DEBUG(3,("ads: query_user_list\n"));
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("query_user_list: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
+
ads = ads_cached_connection(domain);
if (!ads) {
goto done;
}
- rc = ads_search_retry(ads, &res, "(objectClass=user)", attrs);
+ rc = ads_search_retry(ads, &res, "(objectCategory=user)", attrs);
if (!ADS_ERR_OK(rc) || !res) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
goto done;
i = 0;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
- char *name, *gecos;
+ char *name, *gecos = NULL;
+ char *homedir = NULL;
+ char *shell = NULL;
uint32 group;
uint32 atype;
+ DOM_SID user_sid;
+ gid_t primary_gid = (gid_t)-1;
if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype) ||
ads_atype_map(atype) != SID_NAME_USER) {
}
name = ads_pull_username(ads, mem_ctx, msg);
- gecos = ads_pull_string(ads, mem_ctx, msg, "name");
+
+ if ( ads_pull_sid( ads, msg, "objectSid", &user_sid ) ) {
+ status = nss_get_info_cached( domain, &user_sid, mem_ctx,
+ ads, msg, &homedir, &shell, &gecos,
+ &primary_gid );
+ }
+
+ if (gecos == NULL) {
+ gecos = ads_pull_string(ads, mem_ctx, msg, "name");
+ }
+
if (!ads_pull_sid(ads, msg, "objectSid",
&(*info)[i].user_sid)) {
DEBUG(1,("No sid for %s !?\n", name));
(*info)[i].acct_name = name;
(*info)[i].full_name = gecos;
+ (*info)[i].homedir = homedir;
+ (*info)[i].shell = shell;
+ (*info)[i].primary_gid = primary_gid;
sid_compose(&(*info)[i].group_sid, &domain->sid, group);
i++;
}
{
ADS_STRUCT *ads = NULL;
const char *attrs[] = {"userPrincipalName", "sAMAccountName",
- "name", "objectSid",
- "sAMAccountType", NULL};
+ "name", "objectSid", NULL};
int i, count;
ADS_STATUS rc;
- void *res = NULL;
- void *msg = NULL;
+ LDAPMessage *res = NULL;
+ LDAPMessage *msg = NULL;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
- uint32 group_flags;
+ const char *filter;
+ BOOL enum_dom_local_groups = False;
*num_entries = 0;
DEBUG(3,("ads: enum_dom_groups\n"));
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("enum_dom_groups: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
+
+ /* only grab domain local groups for our domain */
+ if ( domain->active_directory && strequal(lp_realm(), domain->alt_name) ) {
+ enum_dom_local_groups = True;
+ }
+
+ /* Workaround ADS LDAP bug present in MS W2K3 SP0 and W2K SP4 w/o
+ * rollup-fixes:
+ *
+ * According to Section 5.1(4) of RFC 2251 if a value of a type is it's
+ * default value, it MUST be absent. In case of extensible matching the
+ * "dnattr" boolean defaults to FALSE and so it must be only be present
+ * when set to TRUE.
+ *
+ * When it is set to FALSE and the OpenLDAP lib (correctly) encodes a
+ * filter using bitwise matching rule then the buggy AD fails to decode
+ * the extensible match. As a workaround set it to TRUE and thereby add
+ * the dnAttributes "dn" field to cope with those older AD versions.
+ * It should not harm and won't put any additional load on the AD since
+ * none of the dn components have a bitmask-attribute.
+ *
+ * Thanks to Ralf Haferkamp for input and testing - Guenther */
+
+ filter = talloc_asprintf(mem_ctx, "(&(objectCategory=group)(&(groupType:dn:%s:=%d)(!(groupType:dn:%s:=%d))))",
+ ADS_LDAP_MATCHING_RULE_BIT_AND, GROUP_TYPE_SECURITY_ENABLED,
+ ADS_LDAP_MATCHING_RULE_BIT_AND,
+ enum_dom_local_groups ? GROUP_TYPE_BUILTIN_LOCAL_GROUP : GROUP_TYPE_RESOURCE_GROUP);
+
+ if (filter == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
ads = ads_cached_connection(domain);
if (!ads) {
goto done;
}
- rc = ads_search_retry(ads, &res, "(objectCategory=group)", attrs);
+ rc = ads_search_retry(ads, &res, filter, attrs);
if (!ADS_ERR_OK(rc) || !res) {
DEBUG(1,("enum_dom_groups ads_search: %s\n", ads_errstr(rc)));
goto done;
i = 0;
- group_flags = ATYPE_GLOBAL_GROUP;
-
- /* only grab domain local groups for our domain */
- if ( domain->native_mode && strequal(lp_realm(), domain->alt_name) )
- group_flags |= ATYPE_LOCAL_GROUP;
-
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
char *name, *gecos;
DOM_SID sid;
uint32 rid;
- uint32 account_type;
- if (!ads_pull_uint32(ads, msg, "sAMAccountType", &account_type) || !(account_type & group_flags) )
- continue;
-
name = ads_pull_username(ads, mem_ctx, msg);
gecos = ads_pull_string(ads, mem_ctx, msg, "name");
if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
return NT_STATUS_OK;
}
-/* convert a DN to a name, SID and name type
- this might become a major speed bottleneck if groups have
- lots of users, in which case we could cache the results
-*/
-static BOOL dn_lookup(ADS_STRUCT *ads, TALLOC_CTX *mem_ctx,
- const char *dn,
- char **name, uint32 *name_type, DOM_SID *sid)
-{
- void *res = NULL;
- const char *attrs[] = {"userPrincipalName", "sAMAccountName",
- "objectSid", "sAMAccountType", NULL};
- ADS_STATUS rc;
- uint32 atype;
- DEBUG(3,("ads: dn_lookup\n"));
-
- rc = ads_search_retry_dn(ads, &res, dn, attrs);
-
- if (!ADS_ERR_OK(rc) || !res) {
- goto failed;
- }
-
- (*name) = ads_pull_username(ads, mem_ctx, res);
-
- if (!ads_pull_uint32(ads, res, "sAMAccountType", &atype)) {
- goto failed;
- }
- (*name_type) = ads_atype_map(atype);
-
- if (!ads_pull_sid(ads, res, "objectSid", sid)) {
- goto failed;
- }
-
- if (res)
- ads_msgfree(ads, res);
-
- return True;
-
-failed:
- if (res)
- ads_msgfree(ads, res);
-
- return False;
-}
+/* If you are looking for "dn_lookup": Yes, it used to be here!
+ * It has gone now since it was a major speed bottleneck in
+ * lookup_groupmem (its only use). It has been replaced by
+ * an rpc lookup sids call... R.I.P. */
/* Lookup user information from a rid */
static NTSTATUS query_user(struct winbindd_domain *domain,
WINBIND_USERINFO *info)
{
ADS_STRUCT *ads = NULL;
- const char *attrs[] = {"userPrincipalName",
- "sAMAccountName",
- "name",
- "primaryGroupID", NULL};
+ const char *attrs[] = { "*", NULL };
ADS_STATUS rc;
int count;
- void *msg = NULL;
+ LDAPMessage *msg = NULL;
char *ldap_exp;
char *sidstr;
uint32 group_rid;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ NET_USER_INFO_3 *user;
DEBUG(3,("ads: query_user\n"));
- ads = ads_cached_connection(domain);
-
- if (!ads) {
+ info->homedir = NULL;
+ info->shell = NULL;
+ info->primary_gid = (gid_t)-1;
+
+ /* try netsamlogon cache first */
+
+ if ( (user = netsamlogon_cache_get( mem_ctx, sid )) != NULL )
+ {
+
+ DEBUG(5,("query_user: Cache lookup succeeded for %s\n",
+ sid_string_static(sid)));
+
+ sid_compose(&info->user_sid, &domain->sid, user->user_rid);
+ sid_compose(&info->group_sid, &domain->sid, user->group_rid);
+
+ info->acct_name = unistr2_tdup(mem_ctx, &user->uni_user_name);
+ info->full_name = unistr2_tdup(mem_ctx, &user->uni_full_name);
+
+ nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
+ &info->homedir, &info->shell, &info->full_name,
+ &info->primary_gid );
+
+ TALLOC_FREE(user);
+
+ return NT_STATUS_OK;
+ }
+
+ if ( !winbindd_can_contact_domain(domain)) {
+ DEBUG(8,("query_user: No incoming trust from domain %s\n",
+ domain->name));
+
+ /* We still need to generate some basic information
+ about the user even if we cannot contact the
+ domain. Most of this stuff we can deduce. */
+
+ sid_copy( &info->user_sid, sid );
+
+ /* Assume "Domain Users" for the primary group */
+
+ sid_compose(&info->group_sid, &domain->sid, DOMAIN_GROUP_RID_USERS );
+
+ /* Try to fill in what the nss_info backend can do */
+
+ nss_get_info_cached( domain, sid, mem_ctx, NULL, NULL,
+ &info->homedir, &info->shell, &info->full_name,
+ &info->primary_gid );
+
+ status = NT_STATUS_OK;
+ goto done;
+ }
+
+ /* no cache...do the query */
+
+ if ( (ads = ads_cached_connection(domain)) == NULL ) {
domain->last_status = NT_STATUS_SERVER_DISABLED;
goto done;
}
}
info->acct_name = ads_pull_username(ads, mem_ctx, msg);
- info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
+
+ nss_get_info_cached( domain, sid, mem_ctx, ads, msg,
+ &info->homedir, &info->shell, &info->full_name,
+ &info->primary_gid );
+
+ if (info->full_name == NULL) {
+ info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
+ }
if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group_rid)) {
DEBUG(1,("No primary group for %s !?\n",
/* Lookup groups a user is a member of - alternate method, for when
tokenGroups are not available. */
-static NTSTATUS lookup_usergroups_alt(struct winbindd_domain *domain,
- TALLOC_CTX *mem_ctx,
- const char *user_dn,
- DOM_SID *primary_group,
- uint32 *num_groups, DOM_SID **user_sids)
+static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const char *user_dn,
+ DOM_SID *primary_group,
+ size_t *p_num_groups, DOM_SID **user_sids)
{
ADS_STATUS rc;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
int count;
- void *res = NULL;
- void *msg = NULL;
+ LDAPMessage *res = NULL;
+ LDAPMessage *msg = NULL;
char *ldap_exp;
ADS_STRUCT *ads;
const char *group_attrs[] = {"objectSid", NULL};
char *escaped_dn;
+ size_t num_groups = 0;
+
+ DEBUG(3,("ads: lookup_usergroups_member\n"));
- DEBUG(3,("ads: lookup_usergroups_alt\n"));
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups_members: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
ads = ads_cached_connection(domain);
goto done;
}
- /* buggy server, no tokenGroups. Instead lookup what groups this user
- is a member of by DN search on member*/
-
- if (!(ldap_exp = talloc_asprintf(mem_ctx, "(&(member=%s)(objectClass=group))", escaped_dn))) {
+ if (!(ldap_exp = talloc_asprintf(mem_ctx, "(&(member=%s)(objectCategory=group))", escaped_dn))) {
DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
SAFE_FREE(escaped_dn);
status = NT_STATUS_NO_MEMORY;
}
count = ads_count_replies(ads, res);
- if (count == 0) {
- DEBUG(5,("lookup_usergroups: No supp groups found\n"));
-
- status = ads_ntstatus(rc);
- goto done;
- }
*user_sids = NULL;
- *num_groups = 0;
+ num_groups = 0;
- add_sid_to_array(mem_ctx, primary_group, user_sids, num_groups);
+ /* always add the primary group to the sid array */
+ if (!add_sid_to_array(mem_ctx, primary_group, user_sids, &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- for (msg = ads_first_entry(ads, res); msg;
- msg = ads_next_entry(ads, msg)) {
- DOM_SID group_sid;
+ if (count > 0) {
+ for (msg = ads_first_entry(ads, res); msg;
+ msg = ads_next_entry(ads, msg)) {
+ DOM_SID group_sid;
- if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
- DEBUG(1,("No sid for this group ?!?\n"));
- continue;
+ if (!ads_pull_sid(ads, msg, "objectSid", &group_sid)) {
+ DEBUG(1,("No sid for this group ?!?\n"));
+ continue;
+ }
+
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&group_sid)) {
+ continue;
+ }
+
+ if (!add_sid_to_array(mem_ctx, &group_sid, user_sids,
+ &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
}
- add_sid_to_array(mem_ctx, &group_sid, user_sids, num_groups);
}
+ *p_num_groups = num_groups;
status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
- DEBUG(3,("ads lookup_usergroups (alt) for dn=%s\n", user_dn));
+ DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
done:
if (res)
ads_msgfree(ads, res);
return status;
}
+/* Lookup groups a user is a member of - alternate method, for when
+ tokenGroups are not available. */
+static NTSTATUS lookup_usergroups_memberof(struct winbindd_domain *domain,
+ TALLOC_CTX *mem_ctx,
+ const char *user_dn,
+ DOM_SID *primary_group,
+ size_t *p_num_groups, DOM_SID **user_sids)
+{
+ ADS_STATUS rc;
+ NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ ADS_STRUCT *ads;
+ const char *attrs[] = {"memberOf", NULL};
+ size_t num_groups = 0;
+ DOM_SID *group_sids = NULL;
+ int i;
+ char **strings;
+ size_t num_strings = 0;
+
+
+ DEBUG(3,("ads: lookup_usergroups_memberof\n"));
+
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups_memberof: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
+
+ ads = ads_cached_connection(domain);
+
+ if (!ads) {
+ domain->last_status = NT_STATUS_SERVER_DISABLED;
+ goto done;
+ }
+
+ rc = ads_search_retry_extended_dn_ranged(ads, mem_ctx, user_dn, attrs,
+ ADS_EXTENDED_DN_HEX_STRING,
+ &strings, &num_strings);
+
+ if (!ADS_ERR_OK(rc)) {
+ DEBUG(1,("lookup_usergroups_memberof ads_search member=%s: %s\n",
+ user_dn, ads_errstr(rc)));
+ return ads_ntstatus(rc);
+ }
+
+ *user_sids = NULL;
+ num_groups = 0;
+
+ /* always add the primary group to the sid array */
+ if (!add_sid_to_array(mem_ctx, primary_group, user_sids, &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ group_sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_strings + 1);
+ if (!group_sids) {
+ TALLOC_FREE(strings);
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0; i<num_strings; i++) {
+
+ if (!ads_get_sid_from_extended_dn(mem_ctx, strings[i],
+ ADS_EXTENDED_DN_HEX_STRING,
+ &(group_sids)[i])) {
+ TALLOC_FREE(group_sids);
+ TALLOC_FREE(strings);
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ }
+
+ if (i == 0) {
+ DEBUG(1,("No memberOf for this user?!?\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0; i<num_strings; i++) {
+
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&group_sids[i])) {
+ continue;
+ }
+
+ if (!add_sid_to_array(mem_ctx, &group_sids[i], user_sids,
+ &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ }
+
+ *p_num_groups = num_groups;
+ status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+
+ DEBUG(3,("ads lookup_usergroups (memberof) succeeded for dn=%s\n", user_dn));
+done:
+ TALLOC_FREE(group_sids);
+
+ return status;
+}
+
+
/* Lookup groups a user is a member of. */
static NTSTATUS lookup_usergroups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const DOM_SID *sid,
- uint32 *num_groups, DOM_SID **user_sids)
+ uint32 *p_num_groups, DOM_SID **user_sids)
{
ADS_STRUCT *ads = NULL;
const char *attrs[] = {"tokenGroups", "primaryGroupID", NULL};
ADS_STATUS rc;
int count;
LDAPMessage *msg = NULL;
- char *user_dn;
+ char *user_dn = NULL;
DOM_SID *sids;
int i;
DOM_SID primary_group;
uint32 primary_group_rid;
fstring sid_string;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
+ size_t num_groups = 0;
DEBUG(3,("ads: lookup_usergroups\n"));
- *num_groups = 0;
+ *p_num_groups = 0;
+
+ status = lookup_usergroups_cached(domain, mem_ctx, sid,
+ p_num_groups, user_sids);
+ if (NT_STATUS_IS_OK(status)) {
+ return NT_STATUS_OK;
+ }
+
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_usergroups: No incoming trust for domain %s\n",
+ domain->name));
+
+ /* Tell the cache manager not to remember this one */
+
+ return NT_STATUS_SYNCHRONIZATION_REQUIRED;
+ }
ads = ads_cached_connection(domain);
goto done;
}
- rc = ads_sid_to_dn(ads, mem_ctx, sid, &user_dn);
- if (!ADS_ERR_OK(rc)) {
- status = ads_ntstatus(rc);
- goto done;
- }
+ rc = ads_search_retry_sid(ads, &msg, sid, attrs);
- rc = ads_search_retry_dn(ads, (void**)&msg, user_dn, attrs);
if (!ADS_ERR_OK(rc)) {
status = ads_ntstatus(rc);
DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: %s\n",
goto done;
}
+ count = ads_count_replies(ads, msg);
+ if (count != 1) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: "
+ "invalid number of results (count=%d)\n",
+ sid_to_string(sid_string, sid), count));
+ goto done;
+ }
+
if (!msg) {
DEBUG(1,("lookup_usergroups(sid=%s) ads_search tokenGroups: NULL msg\n",
sid_to_string(sid_string, sid)));
goto done;
}
+ user_dn = ads_get_dn(ads, msg);
+ if (user_dn == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
if (!ads_pull_uint32(ads, msg, "primaryGroupID", &primary_group_rid)) {
DEBUG(1,("%s: No primary group for sid=%s !?\n",
domain->name, sid_to_string(sid_string, sid)));
count = ads_pull_sids(ads, mem_ctx, msg, "tokenGroups", &sids);
- if (msg)
- ads_msgfree(ads, msg);
-
/* there must always be at least one group in the token,
unless we are talking to a buggy Win2k server */
+
+ /* actually this only happens when the machine account has no read
+ * permissions on the tokenGroup attribute - gd */
+
if (count == 0) {
- return lookup_usergroups_alt(domain, mem_ctx, user_dn,
- &primary_group,
- num_groups, user_sids);
+
+ /* no tokenGroups */
+
+ /* lookup what groups this user is a member of by DN search on
+ * "memberOf" */
+
+ status = lookup_usergroups_memberof(domain, mem_ctx, user_dn,
+ &primary_group,
+ &num_groups, user_sids);
+ *p_num_groups = (uint32)num_groups;
+ if (NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ /* lookup what groups this user is a member of by DN search on
+ * "member" */
+
+ status = lookup_usergroups_member(domain, mem_ctx, user_dn,
+ &primary_group,
+ &num_groups, user_sids);
+ *p_num_groups = (uint32)num_groups;
+ goto done;
}
*user_sids = NULL;
- *num_groups = 0;
+ num_groups = 0;
- add_sid_to_array(mem_ctx, &primary_group, user_sids, num_groups);
+ if (!add_sid_to_array(mem_ctx, &primary_group, user_sids, &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- for (i=0;i<count;i++)
- add_sid_to_array_unique(mem_ctx, &sids[i],
- user_sids, num_groups);
+ for (i=0;i<count;i++) {
- status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+ /* ignore Builtin groups from ADS - Guenther */
+ if (sid_check_is_in_builtin(&sids[i])) {
+ continue;
+ }
+
+ if (!add_sid_to_array_unique(mem_ctx, &sids[i],
+ user_sids, &num_groups)) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+ }
- DEBUG(3,("ads lookup_usergroups for sid=%s\n",
+ *p_num_groups = (uint32)num_groups;
+ status = (*user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
+
+ DEBUG(3,("ads lookup_usergroups (tokenGroups) succeeded for sid=%s\n",
sid_to_string(sid_string, sid)));
done:
+ ads_memfree(ads, user_dn);
+ ads_msgfree(ads, msg);
return status;
}
uint32 **name_types)
{
ADS_STATUS rc;
- int count;
- void *res=NULL;
+ LDAPMessage *res=NULL;
ADS_STRUCT *ads = NULL;
char *ldap_exp;
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
char *sidstr;
- char **members;
- int i, num_members;
- fstring sid_string;
- BOOL more_values;
- const char **attrs;
- uint32 first_usn;
- uint32 current_usn;
- int num_retries = 0;
+ char **members = NULL;
+ int i;
+ size_t num_members = 0;
+ ads_control args;
+ char **domains = NULL; /* only needed for rpccli_lsa_lookup_sids */
+ struct rpc_pipe_client *cli;
+ POLICY_HND lsa_policy;
+
DEBUG(10,("ads: lookup_groupmem %s sid=%s\n", domain->name,
sid_string_static(group_sid)));
*num_names = 0;
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("lookup_groupmem: No incoming trust for domain %s\n",
+ domain->name));
+ return NT_STATUS_OK;
+ }
+
ads = ads_cached_connection(domain);
if (!ads) {
goto done;
}
- sidstr = sid_binstring(group_sid);
+ if ((sidstr = sid_binstring(group_sid)) == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
/* search for all members of the group */
if (!(ldap_exp = talloc_asprintf(mem_ctx, "(objectSid=%s)",sidstr))) {
}
SAFE_FREE(sidstr);
- members = NULL;
- num_members = 0;
-
- attrs = TALLOC_ARRAY(mem_ctx, const char *, 3);
- attrs[1] = talloc_strdup(mem_ctx, "usnChanged");
- attrs[2] = NULL;
-
- do {
- if (num_members == 0)
- attrs[0] = talloc_strdup(mem_ctx, "member");
-
- DEBUG(10, ("Searching for attrs[0] = %s, attrs[1] = %s\n", attrs[0], attrs[1]));
-
- rc = ads_search_retry(ads, &res, ldap_exp, attrs);
-
- if (!ADS_ERR_OK(rc) || !res) {
- DEBUG(1,("ads: lookup_groupmem ads_search: %s\n",
- ads_errstr(rc)));
- status = ads_ntstatus(rc);
- goto done;
- }
+ args.control = ADS_EXTENDED_DN_OID;
+ args.val = ADS_EXTENDED_DN_HEX_STRING;
+ args.critical = True;
- count = ads_count_replies(ads, res);
- if (count == 0)
- break;
+ rc = ads_ranged_search(ads, mem_ctx, LDAP_SCOPE_SUBTREE, ads->config.bind_path,
+ ldap_exp, &args, "member", &members, &num_members);
- if (num_members == 0) {
- if (!ads_pull_uint32(ads, res, "usnChanged", &first_usn)) {
- DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
- goto done;
- }
- }
+ if (!ADS_ERR_OK(rc)) {
+ DEBUG(0,("ads_ranged_search failed with: %s\n", ads_errstr(rc)));
+ status = NT_STATUS_UNSUCCESSFUL;
+ goto done;
+ }
+
+ (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
+ if ((num_members != 0) &&
+ ((members == NULL) || (*sid_mem == NULL))) {
+ DEBUG(1, ("talloc failed\n"));
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
- if (!ads_pull_uint32(ads, res, "usnChanged", ¤t_usn)) {
- DEBUG(1, ("ads: lookup_groupmem could not pull usnChanged!\n"));
- goto done;
+ for (i=0; i<num_members; i++) {
+ if (!ads_get_sid_from_extended_dn(mem_ctx, members[i], args.val, &(*sid_mem)[i])) {
+ goto done;
}
-
- if (first_usn != current_usn) {
- DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
- " - restarting search\n"));
- if (num_retries < 5) {
- num_retries++;
- num_members = 0;
+ }
+
+ DEBUG(10, ("ads lookup_groupmem: got %d sids via extended dn call\n", num_members));
+
+ /* now that we have a list of sids, we need to get the
+ * lists of names and name_types belonging to these sids.
+ * even though conceptually not quite clean, we use the
+ * RPC call lsa_lookup_sids for this since it can handle a
+ * list of sids. ldap calls can just resolve one sid at a time. */
+
+ status = cm_connect_lsa(domain, mem_ctx, &cli, &lsa_policy);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ status = rpccli_lsa_lookup_sids_all(cli, mem_ctx, &lsa_policy,
+ num_members, *sid_mem, &domains,
+ names, name_types);
+
+ if (NT_STATUS_IS_OK(status)) {
+ *num_names = num_members;
+ }
+ else if (NT_STATUS_EQUAL(status, STATUS_SOME_UNMAPPED)) {
+ /* We need to remove gaps from the arrays...
+ * Do this by simply moving entries down in the
+ * arrays once a gap is encountered instead of
+ * allocating (and reallocating...) new arrays and
+ * copying complete entries over. */
+ *num_names = 0;
+ for (i=0; i < num_members; i++) {
+ if (((*names)[i] == NULL) || ((*name_types)[i] == SID_NAME_UNKNOWN))
+ {
+ /* unresolved sid: gap! */
continue;
- } else {
- DEBUG(5, ("ads: lookup_groupmem USN on this record changed"
- " - restarted search too many times, aborting!\n"));
- status = NT_STATUS_UNSUCCESSFUL;
- goto done;
}
+ if (i != *num_names) {
+ /* if we have already had a gap, copy down: */
+ (*names)[*num_names] = (*names)[i];
+ (*name_types)[*num_names] = (*name_types)[i];
+ (*sid_mem)[*num_names] = (*sid_mem)[i];
+ }
+ (*num_names)++;
}
-
- members = ads_pull_strings_range(ads, mem_ctx, res,
- "member",
- members,
- &attrs[0],
- &num_members,
- &more_values);
-
- if ((members == NULL) || (num_members == 0))
- break;
-
- } while (more_values);
-
- /* now we need to turn a list of members into rids, names and name types
- the problem is that the members are in the form of distinguised names
- */
-
- (*sid_mem) = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, num_members);
- (*name_types) = TALLOC_ZERO_ARRAY(mem_ctx, uint32, num_members);
- (*names) = TALLOC_ZERO_ARRAY(mem_ctx, char *, num_members);
-
- for (i=0;i<num_members;i++) {
- uint32 name_type;
- char *name;
- DOM_SID sid;
-
- if (dn_lookup(ads, mem_ctx, members[i], &name, &name_type, &sid)) {
- (*names)[*num_names] = name;
- (*name_types)[*num_names] = name_type;
- sid_copy(&(*sid_mem)[*num_names], &sid);
- (*num_names)++;
- }
- }
-
+ }
+ else if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
+ DEBUG(10, ("lookup_groupmem: lsa_lookup_sids could "
+ "not map any SIDs at all.\n"));
+ goto done;
+ }
+ else if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("lookup_groupmem: Error looking up %d "
+ "sids via rpc_lsa_lookup_sids: %s\n",
+ num_members, nt_errstr(status)));
+ goto done;
+ }
+
status = NT_STATUS_OK;
- DEBUG(3,("ads lookup_groupmem for sid=%s\n", sid_to_string(sid_string, group_sid)));
+ DEBUG(3,("ads lookup_groupmem for sid=%s succeeded\n",
+ sid_string_static(group_sid)));
+
done:
if (res)
DEBUG(3,("ads: fetch sequence_number for %s\n", domain->name));
+ if ( !winbindd_can_contact_domain( domain ) ) {
+ DEBUG(10,("sequence: No incoming trust for domain %s\n",
+ domain->name));
+ *seq = time(NULL);
+ return NT_STATUS_OK;
+ }
+
*seq = DOM_SEQUENCE_NONE;
ads = ads_cached_connection(domain);
if (!ADS_ERR_OK(rc)) {
- /* its a dead connection ; don't destroy it
- through since ads_USN() has already done
- that indirectly */
-
- domain->private = NULL;
+ /* its a dead connection, destroy it */
+
+ if (domain->private_data) {
+ ads = (ADS_STRUCT *)domain->private_data;
+ ads->is_mine = True;
+ ads_destroy(&ads);
+ ads_kdestroy("MEMORY:winbind_ccache");
+ domain->private_data = NULL;
+ }
}
return ads_ntstatus(rc);
}
struct ds_domain_trust *domains = NULL;
int count = 0;
int i;
- /* i think we only need our forest and downlevel trusted domains */
- uint32 flags = DS_DOMAIN_IN_FOREST | DS_DOMAIN_DIRECT_OUTBOUND;
+ uint32 flags;
struct rpc_pipe_client *cli;
-
+ uint32 fr_flags = (DS_DOMAIN_IN_FOREST | DS_DOMAIN_TREE_ROOT);
+ int ret_count;
+
DEBUG(3,("ads: trusted_domains\n"));
*num_domains = 0;
*names = NULL;
*dom_sids = NULL;
+ /* If this is our primary domain or a root in our forest,
+ query for all trusts. If not, then just look for domain
+ trusts in the target forest */
+
+ if ( domain->primary ||
+ ((domain->domain_flags&fr_flags) == fr_flags) )
{
- unsigned char *session_key;
- DOM_CRED *creds;
+ flags = DS_DOMAIN_DIRECT_OUTBOUND |
+ DS_DOMAIN_DIRECT_INBOUND |
+ DS_DOMAIN_IN_FOREST;
+ } else {
+ flags = DS_DOMAIN_IN_FOREST;
+ }
- result = cm_connect_netlogon(domain, mem_ctx, &cli,
- &session_key, &creds);
- }
+ result = cm_connect_netlogon(domain, &cli);
if (!NT_STATUS_IS_OK(result)) {
DEBUG(5, ("trusted_domains: Could not open a connection to %s "
return NT_STATUS_UNSUCCESSFUL;
}
- if ( NT_STATUS_IS_OK(result) )
+ if ( NT_STATUS_IS_OK(result) ) {
result = rpccli_ds_enum_domain_trusts(cli, mem_ctx,
cli->cli->desthost,
flags, &domains,
(unsigned int *)&count);
+ }
if ( NT_STATUS_IS_OK(result) && count) {
-
+
/* Allocate memory for trusted domain names and sids */
if ( !(*names = TALLOC_ARRAY(mem_ctx, char *, count)) ) {
/* Copy across names and sids */
- for (i = 0; i < count; i++) {
- (*names)[i] = domains[i].netbios_domain;
- (*alt_names)[i] = domains[i].dns_domain;
-
- sid_copy(&(*dom_sids)[i], &domains[i].sid);
- }
-
- *num_domains = count;
- }
-
- return result;
-}
-
-/* find alternate names list for the domain - for ADS this is the
- netbios name */
-static NTSTATUS alternate_name(struct winbindd_domain *domain)
-{
- ADS_STRUCT *ads;
- ADS_STATUS rc;
- TALLOC_CTX *ctx;
- const char *workgroup;
- DEBUG(3,("ads: alternate_name\n"));
+ ret_count = 0;
+ for (i = 0; i < count; i++) {
+ struct winbindd_domain d;
+
+ /* drop external trusts if this is not our primary
+ domain. This means that the returned number of
+ domains may be less that the ones actually trusted
+ by the DC. */
+
+ if ( (domains[i].trust_attributes == DS_DOMAIN_TRUST_ATTRIB_QUARANTINED_DOMAIN) &&
+ !domain->primary )
+ {
+ DEBUG(10,("trusted_domains: Skipping external trusted domain "
+ "%s because it is outside of our primary domain\n",
+ domains[i].netbios_domain));
+ continue;
+ }
+
+ (*names)[ret_count] = domains[i].netbios_domain;
+ (*alt_names)[ret_count] = domains[i].dns_domain;
+ sid_copy(&(*dom_sids)[ret_count], &domains[i].sid);
+
+ /* add to the trusted domain cache */
+
+ fstrcpy( d.name, domains[i].netbios_domain );
+ fstrcpy( d.alt_name, domains[i].dns_domain );
+ sid_copy( &d.sid, &domains[i].sid );
+
+ /* This gets a little tricky. If we are
+ following a transitive forest trust, then
+ innerit the flags, type, and attrins from
+ the domain we queried to make sure we don't
+ record the view of the trust from the wrong
+ side. Always view it from the side of our
+ primary domain. --jerry */
+ if ( domain->primary ||
+ ((domain->domain_flags&fr_flags) == fr_flags) )
+ {
+ DEBUG(10,("trusted_domains(ads): Storing trust "
+ "flags for domain %s\n", d.alt_name));
+
+ /* Look this up in cache to make sure
+ we have the current trust flags and
+ attributes */
+
+ d.domain_flags = domains[i].flags;
+ d.domain_type = domains[i].trust_type;
+ d.domain_trust_attribs = domains[i].trust_attributes;
+ } else {
+ DEBUG(10,("trusted_domains(ads): Inheriting trust "
+ "flags for domain %s\n", d.alt_name));
+ d.domain_flags = domain->domain_flags;
+ d.domain_type = domain->domain_type;
+ d.domain_trust_attribs = domain->domain_trust_attribs;
+ }
- ads = ads_cached_connection(domain);
-
- if (!ads) {
- domain->last_status = NT_STATUS_SERVER_DISABLED;
- return NT_STATUS_UNSUCCESSFUL;
- }
+ wcache_tdc_add_domain( &d );
- if (!(ctx = talloc_init("alternate_name"))) {
- return NT_STATUS_NO_MEMORY;
- }
+ ret_count++;
- rc = ads_workgroup_name(ads, ctx, &workgroup);
+ }
- if (ADS_ERR_OK(rc)) {
- fstrcpy(domain->name, workgroup);
- fstrcpy(domain->alt_name, ads->config.realm);
- strupper_m(domain->alt_name);
- strupper_m(domain->name);
+ *num_domains = ret_count;
}
- talloc_destroy(ctx);
-
- return ads_ntstatus(rc);
+ return result;
}
/* the ADS backend methods are exposed via this structure */
enum_local_groups,
msrpc_name_to_sid,
msrpc_sid_to_name,
+ msrpc_rids_to_names,
query_user,
lookup_usergroups,
msrpc_lookup_useraliases,
lookup_groupmem,
sequence_number,
+ msrpc_lockout_policy,
+ msrpc_password_policy,
trusted_domains,
- alternate_name
};
#endif