3 * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
13 #include "proto-slap.h"
18 char **supportedSASLMechanisms = NULL;
19 char *sasl_host = NULL;
21 #ifdef HAVE_CYRUS_SASL
27 static void *slap_sasl_mutex_new(void)
29 ldap_pvt_thread_mutex_t *mutex;
31 mutex = (ldap_pvt_thread_mutex_t *) ch_malloc( sizeof(ldap_pvt_thread_mutex_t) );
32 if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
38 static int slap_sasl_mutex_lock(void *mutex)
40 return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex );
43 static int slap_sasl_mutex_unlock(void *mutex)
45 return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex );
48 static void slap_sasl_mutex_dispose(void *mutex)
50 (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
55 slap_sasl_err2ldap( int saslerr )
61 rc = LDAP_SASL_BIND_IN_PROGRESS;
73 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
76 rc = LDAP_INVALID_CREDENTIALS;
79 rc = LDAP_INSUFFICIENT_ACCESS;
83 rc = LDAP_INAPPROPRIATE_AUTH;
98 sasl_conn_t *server = NULL;
100 sasl_set_alloc( ch_malloc, ch_calloc, ch_realloc, ch_free );
104 slap_sasl_mutex_lock,
105 slap_sasl_mutex_unlock,
106 slap_sasl_mutex_dispose );
108 rc = sasl_server_init( NULL, "slapd" );
110 if( rc != SASL_OK ) {
111 Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
116 if( sasl_host == NULL ) {
117 static char hostname[MAXHOSTNAMELEN+1];
119 if( gethostname( hostname, MAXHOSTNAMELEN ) == 0 ) {
120 hostname[MAXHOSTNAMELEN] = '\0';
121 sasl_host = hostname;
125 rc = sasl_server_new( "ldap", sasl_host, NULL, NULL,
129 if( rc != SASL_OK ) {
130 Debug( LDAP_DEBUG_ANY, "sasl_server_new failed\n",
137 sasl_security_properties_t secprops;
138 memset(&secprops, '\0', sizeof(secprops));
139 secprops.security_flags = SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
140 secprops.property_names = NULL;
141 secprops.property_values = NULL;
143 rc = sasl_setprop( server, SASL_SEC_PROPS, &secprops );
145 if( rc != SASL_OK ) {
146 Debug( LDAP_DEBUG_ANY, "sasl_setprop failed\n",
153 rc = sasl_listmech( server, NULL, NULL, ",", NULL,
156 if( rc != SASL_OK ) {
157 Debug( LDAP_DEBUG_ANY, "sasl_listmech failed: %d\n",
162 Debug( LDAP_DEBUG_TRACE, "SASL mechanisms: %s\n",
165 supportedSASLMechanisms = str2charray( mechs, "," );
168 lutil_passwd_sasl_conn = server;
170 sasl_dispose( &server );
176 int sasl_destroy( void )
179 sasl_dispose( &lutil_passwd_sasl_conn );
181 charray_free( supportedSASLMechanisms );
185 #ifdef HAVE_CYRUS_SASL
195 struct berval response;
200 Debug(LDAP_DEBUG_ARGS,
201 "==> sasl_bind: dn=\"%s\" mech=%s cred->bv_len=%d\n",
202 dn, mech, cred ? cred->bv_len : 0 );
204 if ( conn->c_sasl_bind_context == NULL ) {
205 sasl_callback_t callbacks[4];
209 if (be->be_sasl_authorize) {
210 callbacks[cbnum].id = SASL_CB_PROXY_POLICY;
211 callbacks[cbnum].proc = be->be_sasl_authorize;
212 callbacks[cbnum].context = be;
216 if (be->be_sasl_getsecret) {
217 callbacks[cbnum].id = SASL_CB_SERVER_GETSECRET;
218 callbacks[cbnum].proc = be->be_sasl_getsecret;
219 callbacks[cbnum].context = be;
223 if (be->be_sasl_putsecret) {
224 callbacks[cbnum].id = SASL_CB_SERVER_PUTSECRET;
225 callbacks[cbnum].proc = be->be_sasl_putsecret;
226 callbacks[cbnum].context = be;
231 callbacks[cbnum].id = SASL_CB_LIST_END;
232 callbacks[cbnum].proc = NULL;
233 callbacks[cbnum].context = NULL;
235 /* create new SASL context */
236 sc = sasl_server_new( "ldap", sasl_host, global_realm,
237 callbacks, SASL_SECURITY_LAYER, &conn->c_sasl_bind_context );
239 if( sc != SASL_OK ) {
240 send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
241 NULL, NULL, NULL, NULL );
244 conn->c_authmech = ch_strdup( mech );
246 sc = sasl_server_start( conn->c_sasl_bind_context, conn->c_authmech,
247 cred->bv_val, cred->bv_len,
248 (char **)&response.bv_val, &reslen, &errstr );
250 response.bv_len = reslen;
252 if ( (sc != SASL_OK) && (sc != SASL_CONTINUE) ) {
253 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
254 NULL, errstr, NULL, NULL );
259 sc = sasl_server_step( conn->c_sasl_bind_context, cred->bv_val, cred->bv_len,
260 (char **)&response.bv_val, &reslen, &errstr );
262 response.bv_len = reslen;
264 if ( (sc != SASL_OK) && (sc != SASL_CONTINUE) ) {
265 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
266 NULL, errstr, NULL, NULL );
270 if ( sc == SASL_OK ) {
273 if ( ( sc = sasl_getprop( conn->c_sasl_bind_context, SASL_USERNAME,
274 (void **)&authzid ) ) != SASL_OK ) {
275 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
276 NULL, NULL, NULL, NULL );
279 Debug(LDAP_DEBUG_TRACE, "<== sasl_bind: username=%s\n",
282 if( strncasecmp( authzid, "anonymous", sizeof("anonyous")-1 ) &&
283 ( ( authzid[sizeof("anonymous")] == '\0' ) ||
284 ( authzid[sizeof("anonymous")] == '@' ) ) )
286 *edn = ch_malloc( sizeof( "authzid=" ) + strlen( authzid ) );
287 strcpy( *edn, "authzid=" );
288 strcat( *edn, authzid );
291 send_ldap_result( conn, op, rc = LDAP_SUCCESS,
292 NULL, NULL, NULL, NULL );
295 } else if ( sc == SASL_CONTINUE ) {
296 send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
297 NULL, NULL, NULL, NULL, &response );
300 if ( sc != SASL_CONTINUE && conn->c_sasl_bind_context != NULL ) {
301 sasl_dispose( &conn->c_sasl_bind_context );
302 conn->c_sasl_bind_context = NULL;
305 Debug(LDAP_DEBUG_TRACE, "<== sasl_bind: rc=%d\n", rc, 0, 0);
309 #endif /* HAVE_CYRUS_SASL */
312 /* no SASL support */
324 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
325 NULL, "SASL unavailable", NULL, NULL );
330 int sasl_init( void ) { return 0; }
331 int sasl_destroy( void ) { return 0; }