Пример #1
0
static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
                                    const char *domain_name)
{
	fstring sid_string;
	fstring algorithmic_rid_base_string;
	char *filter = NULL;
	char *dn = NULL;
	LDAPMod **mods = NULL;
	int rc;
	LDAPMessage *result = NULL;
	int num_result;
	const char **attr_list;
	char *escape_domain_name;

	/* escape for filter */
	escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&filter, "(&(%s=%s)(objectclass=%s))",
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
			escape_domain_name, LDAP_OBJ_DOMINFO) < 0) {
		TALLOC_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	TALLOC_FREE(escape_domain_name);

	attr_list = get_attr_list(NULL, dominfo_attr_list );
	rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
	TALLOC_FREE( attr_list );
	SAFE_FREE(filter);

	if (rc != LDAP_SUCCESS) {
		return NT_STATUS_UNSUCCESSFUL;
	}

	num_result = ldap_count_entries(ldap_state->ldap_struct, result);

	if (num_result > 1) {
		DEBUG (0, ("add_new_domain_info: More than domain with that name exists: bailing "
			   "out!\n"));
		ldap_msgfree(result);
		return NT_STATUS_UNSUCCESSFUL;
	}

	/* Check if we need to add an entry */
	DEBUG(3,("add_new_domain_info: Adding new domain\n"));

	/* this time escape for DN */
	escape_domain_name = escape_rdn_val_string_alloc(domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&dn, "%s=%s,%s",
		     get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		     escape_domain_name, lp_ldap_suffix(talloc_tos())) < 0) {
		SAFE_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	SAFE_FREE(escape_domain_name);

	/* Free original search */
	ldap_msgfree(result);

	/* make the changes - the entry *must* not already have samba
	 * attributes */

	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOMAIN),
			domain_name);

	/* If we don't have an entry, then ask secrets.tdb for what it thinks.
	   It may choose to make it up */

	sid_to_fstring(sid_string, get_global_sam_sid());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_DOM_SID),
			sid_string);

	slprintf(algorithmic_rid_base_string,
		 sizeof(algorithmic_rid_base_string) - 1, "%i",
		 algorithmic_rid_base());
	smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_ALGORITHMIC_RID_BASE),
			algorithmic_rid_base_string);
	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);

	/* add the sambaNextUserRid attributes. */

	{
		uint32_t rid = BASE_RID;
		fstring rid_str;

		fstr_sprintf( rid_str, "%i", rid );
		DEBUG(10,("add_new_domain_info: setting next available user rid [%s]\n", rid_str));
		smbldap_set_mod(&mods, LDAP_MOD_ADD,
			get_attr_key2string(dominfo_attr_list,
					    LDAP_ATTR_NEXT_USERRID),
			rid_str);
        }


	rc = smbldap_add(ldap_state, dn, mods);

	if (rc!=LDAP_SUCCESS) {
		char *ld_error = NULL;
		ldap_get_option(ldap_state->ldap_struct,
				LDAP_OPT_ERROR_STRING, &ld_error);
		DEBUG(1,("add_new_domain_info: failed to add domain dn= %s with: %s\n\t%s\n",
			 dn, ldap_err2string(rc),
			 ld_error?ld_error:"unknown"));
		SAFE_FREE(ld_error);
		SAFE_FREE(dn);
		ldap_mods_free(mods, True);
		return NT_STATUS_UNSUCCESSFUL;
	}

	DEBUG(2,("add_new_domain_info: added: domain = %s in the LDAP database\n", domain_name));
	ldap_mods_free(mods, True);
	SAFE_FREE(dn);
	return NT_STATUS_OK;
}
Пример #2
0
NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
                                    LDAPMessage ** result, const char *domain_name,
                                    bool try_add)
{
	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
	char *filter = NULL;
	int rc;
	const char **attr_list;
	int count;
	char *escape_domain_name;

	escape_domain_name = escape_ldap_string(talloc_tos(), domain_name);
	if (!escape_domain_name) {
		DEBUG(0, ("Out of memory!\n"));
		return NT_STATUS_NO_MEMORY;
	}

	if (asprintf(&filter, "(&(objectClass=%s)(%s=%s))",
		LDAP_OBJ_DOMINFO,
		get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
		escape_domain_name) < 0) {
		TALLOC_FREE(escape_domain_name);
		return NT_STATUS_NO_MEMORY;
	}

	TALLOC_FREE(escape_domain_name);

	DEBUG(2, ("smbldap_search_domain_info: Searching for:[%s]\n", filter));

	attr_list = get_attr_list( NULL, dominfo_attr_list );
	rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
	TALLOC_FREE( attr_list );

	if (rc != LDAP_SUCCESS) {
		DEBUG(2,("smbldap_search_domain_info: Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
		DEBUG(2,("smbldap_search_domain_info: Query was: %s, %s\n", lp_ldap_suffix(talloc_tos()), filter));
		goto failed;
	}

	SAFE_FREE(filter);

	count = ldap_count_entries(ldap_state->ldap_struct, *result);

	if (count == 1) {
		return NT_STATUS_OK;
	}

	ldap_msgfree(*result);
	*result = NULL;

	if (count < 1) {

		DEBUG(3, ("smbldap_search_domain_info: Got no domain info entries for domain\n"));

		if (!try_add)
			goto failed;

		status = add_new_domain_info(ldap_state, domain_name);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0, ("smbldap_search_domain_info: Adding domain info for %s failed with %s\n",
				domain_name, nt_errstr(status)));
			goto failed;
		}

		status = add_new_domain_account_policies(ldap_state, domain_name);
		if (!NT_STATUS_IS_OK(status)) {
			DEBUG(0, ("smbldap_search_domain_info: Adding domain account policies for %s failed with %s\n",
				domain_name, nt_errstr(status)));
			goto failed;
		}

		return smbldap_search_domain_info(ldap_state, result, domain_name, False);

	}

	if (count > 1 ) {

		DEBUG(0, ("smbldap_search_domain_info: Got too many (%d) domain info entries for domain %s\n",
			  count, domain_name));
		goto failed;
	}

failed:
	return status;
}
Пример #3
0
/* Lookup groups a user is a member of - alternate method, for when
   tokenGroups are not available. */
static NTSTATUS lookup_usergroups_member(struct winbindd_domain *domain,
					 TALLOC_CTX *mem_ctx,
					 const char *user_dn, 
					 struct dom_sid *primary_group,
					 uint32_t *p_num_groups, struct dom_sid **user_sids)
{
	ADS_STATUS rc;
	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
	int count;
	LDAPMessage *res = NULL;
	LDAPMessage *msg = NULL;
	char *ldap_exp;
	ADS_STRUCT *ads;
	const char *group_attrs[] = {"objectSid", NULL};
	char *escaped_dn;
	uint32_t num_groups = 0;

	DEBUG(3,("ads: lookup_usergroups_member\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);

	if (!ads) {
		domain->last_status = NT_STATUS_SERVER_DISABLED;
		goto done;
	}

	if (!(escaped_dn = escape_ldap_string(talloc_tos(), user_dn))) {
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	ldap_exp = talloc_asprintf(mem_ctx,
		"(&(member=%s)(objectCategory=group)(groupType:dn:%s:=%d))",
		escaped_dn,
		ADS_LDAP_MATCHING_RULE_BIT_AND,
		GROUP_TYPE_SECURITY_ENABLED);
	if (!ldap_exp) {
		DEBUG(1,("lookup_usergroups(dn=%s) asprintf failed!\n", user_dn));
		TALLOC_FREE(escaped_dn);
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	TALLOC_FREE(escaped_dn);

	rc = ads_search_retry(ads, &res, ldap_exp, group_attrs);

	if (!ADS_ERR_OK(rc) || !res) {
		DEBUG(1,("lookup_usergroups ads_search member=%s: %s\n", user_dn, ads_errstr(rc)));
		return ads_ntstatus(rc);
	}

	count = ads_count_replies(ads, res);

	*user_sids = NULL;
	num_groups = 0;

	/* always add the primary group to the sid array */
	status = add_sid_to_array(mem_ctx, primary_group, user_sids,
				  &num_groups);
	if (!NT_STATUS_IS_OK(status)) {
		goto done;
	}

	if (count > 0) {
		for (msg = ads_first_entry(ads, res); msg;
		     msg = ads_next_entry(ads, msg)) {
			struct dom_sid group_sid;

			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;
			}

			status = add_sid_to_array(mem_ctx, &group_sid,
						  user_sids, &num_groups);
			if (!NT_STATUS_IS_OK(status)) {
				goto done;
			}
		}

	}

	*p_num_groups = num_groups;
	status = (user_sids != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;

	DEBUG(3,("ads lookup_usergroups (member) succeeded for dn=%s\n", user_dn));
done:
	if (res) 
		ads_msgfree(ads, res);

	return status;
}