3 * Copyright 1998-1999 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
22 static void *slap_sasl_mutex_new(void)
24 ldap_pvt_thread_mutex_t *mutex;
26 mutex = (ldap_pvt_thread_mutex_t *) ch_malloc( sizeof(ldap_pvt_thread_mutex_t) );
27 if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
33 static int slap_sasl_mutex_lock(void *mutex)
35 return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex );
38 static int slap_sasl_mutex_unlock(void *mutex)
40 return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex );
43 static void slap_sasl_mutex_dispose(void *mutex)
45 (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
50 slap_sasl_err2ldap( int saslerr )
56 rc = LDAP_SASL_BIND_IN_PROGRESS;
68 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
71 rc = LDAP_INVALID_CREDENTIALS;
74 rc = LDAP_INSUFFICIENT_ACCESS;
78 rc = LDAP_INAPPROPRIATE_AUTH;
93 sasl_conn_t *server = NULL;
95 sasl_set_alloc( ch_malloc, ch_calloc, ch_realloc, ch_free );
100 slap_sasl_mutex_unlock,
101 slap_sasl_mutex_dispose );
103 rc = sasl_server_init( NULL, "slapd" );
105 if( rc != SASL_OK ) {
106 Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
111 if( sasl_host == NULL ) {
112 char hostname[MAXHOSTNAMELEN+1];
114 if( gethostname( hostname, MAXHOSTNAMELEN ) == 0 ) {
115 hostname[MAXHOSTNAMELEN] = '\0';
116 sasl_host = hostname;
120 rc = sasl_server_new( "ldap", sasl_host, NULL, NULL,
124 if( rc != SASL_OK ) {
125 Debug( LDAP_DEBUG_ANY, "sasl_server_new failed\n",
132 sasl_security_properties_t secprops;
133 memset(&secprops, 0, sizeof(secprops));
134 secprops.security_flags = SASL_SEC_NOPLAINTEXT | SASL_SEC_NOANONYMOUS;
135 secprops.property_names = NULL;
136 secprops.property_values = NULL;
138 rc = sasl_setprop( server, SASL_SEC_PROPS, &secprops );
140 if( rc != SASL_OK ) {
141 Debug( LDAP_DEBUG_ANY, "sasl_setprop failed\n",
148 rc = sasl_listmech( server, NULL, NULL, ",", NULL,
151 if( rc != SASL_OK ) {
152 Debug( LDAP_DEBUG_ANY, "sasl_listmech failed: %d\n",
157 Debug( LDAP_DEBUG_TRACE, "SASL mechanisms: %s\n",
160 supportedSASLMechanisms = str2charray( mechs, "," );
161 sasl_dispose( &server );
166 int sasl_destroy( void )
168 charray_free( supportedSASLMechanisms );
172 #ifdef HAVE_CYRUS_SASL
182 struct berval response;
187 Debug(LDAP_DEBUG_ARGS, "==> sasl_bind: dn=%s, mech=%s, cred->bv_len=%d\n",
188 dn, mech, cred ? cred->bv_len : 0 );
190 if ( conn->c_sasl_bind_context == NULL ) {
191 sasl_callback_t callbacks[4];
195 if (be->be_sasl_authorize) {
196 callbacks[cbnum].id = SASL_CB_PROXY_POLICY;
197 callbacks[cbnum].proc = be->be_sasl_authorize;
198 callbacks[cbnum].context = be;
202 if (be->be_sasl_getsecret) {
203 callbacks[cbnum].id = SASL_CB_SERVER_GETSECRET;
204 callbacks[cbnum].proc = be->be_sasl_getsecret;
205 callbacks[cbnum].context = be;
209 if (be->be_sasl_putsecret) {
210 callbacks[cbnum].id = SASL_CB_SERVER_PUTSECRET;
211 callbacks[cbnum].proc = be->be_sasl_putsecret;
212 callbacks[cbnum].context = be;
217 callbacks[cbnum].id = SASL_CB_LIST_END;
218 callbacks[cbnum].proc = NULL;
219 callbacks[cbnum].context = NULL;
221 /* create new SASL context */
222 sc = sasl_server_new( "ldap", sasl_host, global_realm,
223 callbacks, SASL_SECURITY_LAYER, &conn->c_sasl_bind_context );
225 if( sc != SASL_OK ) {
226 send_ldap_result( conn, op, rc = LDAP_AUTH_METHOD_NOT_SUPPORTED,
227 NULL, NULL, NULL, NULL );
229 conn->c_authmech = ch_strdup( mech );
230 sc = sasl_server_start( conn->c_sasl_bind_context, conn->c_authmech,
231 cred->bv_val, cred->bv_len, (char **)&response.bv_val,
232 (unsigned *)&response.bv_len, &errstr );
233 if ( (sc != SASL_OK) && (sc != SASL_CONTINUE) ) {
234 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
235 NULL, errstr, NULL, NULL );
239 sc = sasl_server_step( conn->c_sasl_bind_context, cred->bv_val, cred->bv_len,
240 (char **)&response.bv_val, (unsigned *)&response.bv_len, &errstr );
241 if ( (sc != SASL_OK) && (sc != SASL_CONTINUE) ) {
242 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
243 NULL, errstr, NULL, NULL );
247 if ( sc == SASL_OK ) {
250 if ( ( sc = sasl_getprop( conn->c_sasl_bind_context, SASL_USERNAME,
251 (void **)&authzid ) ) != SASL_OK ) {
252 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
253 NULL, NULL, NULL, NULL );
256 Debug(LDAP_DEBUG_TRACE, "<== sasl_bind: username=%s\n",
259 if( strncasecmp( authzid, "anonymous", sizeof("anonyous")-1 ) &&
260 ( ( authzid[sizeof("anonymous")] == '\0' ) ||
261 ( authzid[sizeof("anonymous")] == '@' ) ) )
263 *edn = ch_malloc( sizeof( "authzid=" ) + strlen( authzid ) );
264 strcpy( *edn, "authzid=" );
265 strcat( *edn, authzid );
268 send_ldap_result( conn, op, rc = LDAP_SUCCESS,
269 NULL, NULL, NULL, NULL );
272 } else if ( sc == SASL_CONTINUE ) {
273 send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
274 NULL, NULL, NULL, NULL, &response );
277 if ( sc != SASL_CONTINUE && conn->c_sasl_bind_context != NULL ) {
278 sasl_dispose( &conn->c_sasl_bind_context );
279 conn->c_sasl_bind_context = NULL;
282 Debug(LDAP_DEBUG_TRACE, "<== sasl_bind: rc=%d\n", rc, 0, 0);
286 #endif /* HAVE_CYRUS_SASL */
289 /* no SASL support */
301 send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
302 NULL, "SASL unavailable", NULL, NULL );
307 int sasl_init( void ) { return 0; }
308 int sasl_destroy( void ) { return 0; }