2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "libcli/ldap/ldap.h"
24 #include "lib/socket/socket.h"
25 #include "lib/messaging/irpc.h"
26 #include "smbd/service_task.h"
27 #include "smbd/service.h"
28 #include "cldap_server/cldap_server.h"
29 #include "system/network.h"
30 #include "lib/socket/netif.h"
31 #include "lib/ldb/include/ldb.h"
32 #include "lib/ldb/include/ldb_errors.h"
33 #include "dsdb/samdb/samdb.h"
35 #include "auth/auth.h"
36 #include "param/param.h"
39 handle incoming cldap requests
41 static void cldapd_request_handler(struct cldap_socket *cldap,
42 struct ldap_message *ldap_msg,
43 struct socket_address *src)
45 struct ldap_SearchRequest *search;
46 if (ldap_msg->type != LDAP_TAG_SearchRequest) {
47 DEBUG(0,("Invalid CLDAP request type %d from %s:%d\n",
48 ldap_msg->type, src->addr, src->port));
49 cldap_error_reply(cldap, ldap_msg->messageid, src,
50 LDAP_OPERATIONS_ERROR, "Invalid CLDAP request");
54 search = &ldap_msg->r.SearchRequest;
56 if (strcmp("", search->basedn) != 0) {
57 DEBUG(0,("Invalid CLDAP basedn '%s' from %s:%d\n",
58 search->basedn, src->addr, src->port));
59 cldap_error_reply(cldap, ldap_msg->messageid, src,
60 LDAP_OPERATIONS_ERROR, "Invalid CLDAP basedn");
64 if (search->scope != LDAP_SEARCH_SCOPE_BASE) {
65 DEBUG(0,("Invalid CLDAP scope %d from %s:%d\n",
66 search->scope, src->addr, src->port));
67 cldap_error_reply(cldap, ldap_msg->messageid, src,
68 LDAP_OPERATIONS_ERROR, "Invalid CLDAP scope");
72 if (search->num_attributes == 1 &&
73 strcasecmp(search->attributes[0], "netlogon") == 0) {
74 cldapd_netlogon_request(cldap, ldap_msg->messageid,
79 cldapd_rootdse_request(cldap, ldap_msg->messageid,
85 start listening on the given address
87 static NTSTATUS cldapd_add_socket(struct cldapd_server *cldapd, struct loadparm_context *lp_ctx,
90 struct cldap_socket *cldapsock;
91 struct socket_address *socket_address;
94 /* listen for unicasts on the CLDAP port (389) */
95 cldapsock = cldap_socket_init(cldapd, cldapd->task->event_ctx);
96 NT_STATUS_HAVE_NO_MEMORY(cldapsock);
98 socket_address = socket_address_from_strings(cldapsock, cldapsock->sock->backend_name,
99 address, lp_cldap_port(lp_ctx));
100 if (!socket_address) {
101 talloc_free(cldapsock);
102 return NT_STATUS_NO_MEMORY;
105 status = socket_listen(cldapsock->sock, socket_address, 0, 0);
106 if (!NT_STATUS_IS_OK(status)) {
107 DEBUG(0,("Failed to bind to %s:%d - %s\n",
108 address, lp_cldap_port(lp_ctx), nt_errstr(status)));
109 talloc_free(cldapsock);
113 talloc_free(socket_address);
115 cldap_set_incoming_handler(cldapsock, cldapd_request_handler, cldapd);
122 setup our listening sockets on the configured network interfaces
124 static NTSTATUS cldapd_startup_interfaces(struct cldapd_server *cldapd, struct loadparm_context *lp_ctx)
126 int num_interfaces = iface_count(lp_ctx);
127 TALLOC_CTX *tmp_ctx = talloc_new(cldapd);
130 /* if we are allowing incoming packets from any address, then
131 we need to bind to the wildcard address */
132 if (!lp_bind_interfaces_only(lp_ctx)) {
133 status = cldapd_add_socket(cldapd, lp_ctx, "0.0.0.0");
134 NT_STATUS_NOT_OK_RETURN(status);
138 for (i=0; i<num_interfaces; i++) {
139 const char *address = talloc_strdup(tmp_ctx, iface_n_ip(lp_ctx, i));
140 status = cldapd_add_socket(cldapd, lp_ctx, address);
141 NT_STATUS_NOT_OK_RETURN(status);
145 talloc_free(tmp_ctx);
151 startup the cldapd task
153 static void cldapd_task_init(struct task_server *task)
155 struct cldapd_server *cldapd;
158 if (iface_count(task->lp_ctx) == 0) {
159 task_server_terminate(task, "cldapd: no network interfaces configured");
163 switch (lp_server_role(task->lp_ctx)) {
164 case ROLE_STANDALONE:
165 task_server_terminate(task, "cldap_server: no CLDAP server required in standalone configuration");
167 case ROLE_DOMAIN_MEMBER:
168 task_server_terminate(task, "cldap_server: no CLDAP server required in member server configuration");
170 case ROLE_DOMAIN_CONTROLLER:
171 /* Yes, we want an CLDAP server */
175 task_server_set_title(task, "task[cldapd]");
177 cldapd = talloc(task, struct cldapd_server);
178 if (cldapd == NULL) {
179 task_server_terminate(task, "cldapd: out of memory");
184 cldapd->samctx = samdb_connect(cldapd, task->lp_ctx, anonymous_session(cldapd, task->lp_ctx));
185 if (cldapd->samctx == NULL) {
186 task_server_terminate(task, "cldapd failed to open samdb");
190 /* start listening on the configured network interfaces */
191 status = cldapd_startup_interfaces(cldapd, task->lp_ctx);
192 if (!NT_STATUS_IS_OK(status)) {
193 task_server_terminate(task, "cldapd failed to setup interfaces");
197 irpc_add_name(task->msg_ctx, "cldap_server");
202 initialise the cldapd server
204 static NTSTATUS cldapd_init(struct event_context *event_ctx, struct loadparm_context *lp_ctx, const struct model_ops *model_ops)
206 return task_server_startup(event_ctx, model_ops, cldapd_task_init);
211 register ourselves as a available server
213 NTSTATUS server_service_cldapd_init(void)
215 return register_server_service("cldap", cldapd_init);