+/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* Portions
#include "portable.h"
#include <stdio.h>
-#include <stdlib.h>
+#include <limits.h>
+#include <ac/stdlib.h>
+
+#include <ac/param.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
-#ifdef HAVE_SYS_PARAM_H
-#include <sys/param.h>
-#endif
-
#include "ldap-int.h"
+int ldap_open_defconn( LDAP *ld )
+{
+ ld->ld_defconn = ldap_new_connection( ld,
+ ld->ld_options.ldo_defludp, 1, 1, NULL );
+
+ if( ld->ld_defconn == NULL ) {
+ ld->ld_errno = LDAP_SERVER_DOWN;
+ return -1;
+ }
+
+ ++ld->ld_defconn->lconn_refcnt; /* so it never gets closed/freed */
+ return 0;
+}
/*
* ldap_open - initialize and connect to an ldap server. A magic cookie to
LDAP *
ldap_open( LDAP_CONST char *host, int port )
{
+ int rc;
LDAP *ld;
- LDAPServer *srv;
- Debug( LDAP_DEBUG_TRACE, "ldap_open\n", 0, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "ldap_open(%s, %d)\n",
+ host, port, 0 );
- if (( ld = ldap_init( host, port )) == NULL ) {
+ ld = ldap_init( host, port );
+ if ( ld == NULL ) {
return( NULL );
}
- if (( srv = (LDAPServer *)calloc( 1, sizeof( LDAPServer ))) ==
- NULL || ( ld->ld_defhost != NULL && ( srv->lsrv_host =
- strdup( ld->ld_defhost )) == NULL )) {
- if(srv != NULL) free( (char*) srv );
- ldap_ld_free( ld, 0, NULL, NULL );
- return( NULL );
- }
- srv->lsrv_port = ld->ld_defport;
+ rc = ldap_open_defconn( ld );
- if (( ld->ld_defconn = ldap_new_connection( ld, &srv, 1,1,0 )) == NULL ) {
- if ( ld->ld_defhost != NULL ) free( srv->lsrv_host );
- free( (char *)srv );
+ if( rc < 0 ) {
ldap_ld_free( ld, 0, NULL, NULL );
- return( NULL );
+ ld = NULL;
}
- ++ld->ld_defconn->lconn_refcnt; /* so it never gets closed/freed */
- Debug( LDAP_DEBUG_TRACE, "ldap_open successful, ld_host is %s\n",
- ( ld->ld_host == NULL ) ? "(null)" : ld->ld_host, 0, 0 );
+ Debug( LDAP_DEBUG_TRACE, "ldap_open: %s\n",
+ ld == NULL ? "succeeded" : "failed", 0, 0 );
- return( ld );
+ return ld;
}
-/*
- * ldap_init - initialize the LDAP library. A magic cookie to be used for
- * future communication is returned on success, NULL on failure.
- * "host" may be a space-separated list of hosts or IP addresses
- *
- * Example:
- * LDAP *ld;
- * ld = ldap_open( host, port );
- */
-LDAP *
-ldap_init( LDAP_CONST char *defhost, int defport )
+
+int
+ldap_create( LDAP **ldp )
{
LDAP *ld;
+ struct ldapoptions *gopts;
- if(!openldap_ldap_initialized) {
- openldap_ldap_initialize();
+ *ldp = NULL;
+ /* Get pointer to global option structure */
+ if ( (gopts = LDAP_INT_GLOBAL_OPT()) == NULL) {
+ return LDAP_NO_MEMORY;
}
- Debug( LDAP_DEBUG_TRACE, "ldap_init\n", 0, 0, 0 );
-
-#ifdef HAVE_WINSOCK2
-{ WORD wVersionRequested;
- WSADATA wsaData;
- int err;
-
- wVersionRequested = MAKEWORD( 2, 0 );
-
- err = WSAStartup( wVersionRequested, &wsaData );
- if ( err != 0 ) {
- /* Tell the user that we couldn't find a usable */
- /* WinSock DLL. */
- return NULL;
+ /* Initialize the global options, if not already done. */
+ if( gopts->ldo_valid != LDAP_INITIALIZED ) {
+ ldap_int_initialize(gopts, NULL);
+ if ( gopts->ldo_valid != LDAP_INITIALIZED )
+ return LDAP_LOCAL_ERROR;
}
-
- /* Confirm that the WinSock DLL supports 2.0.*/
- /* Note that if the DLL supports versions greater */
- /* than 2.0 in addition to 2.0, it will still return */
- /* 2.0 in wVersion since that is the version we */
- /* requested. */
-
- if ( LOBYTE( wsaData.wVersion ) != 2 ||
- HIBYTE( wsaData.wVersion ) != 0 )
- {
- /* Tell the user that we couldn't find a usable */
- /* WinSock DLL. */
- WSACleanup( );
- return NULL;
- }
-} /* The WinSock DLL is acceptable. Proceed. */
-#elif HAVE_WINSOCK
-{ WSADATA wsaData;
- if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
- return( NULL );
- }
-}
-#endif
+ Debug( LDAP_DEBUG_TRACE, "ldap_create\n", 0, 0, 0 );
- if ( (ld = (LDAP *) calloc( 1, sizeof(LDAP) )) == NULL ) {
- WSACleanup( );
- return( NULL );
+ if ( (ld = (LDAP *) LDAP_CALLOC( 1, sizeof(LDAP) )) == NULL ) {
+ return( LDAP_NO_MEMORY );
}
/* copy the global options */
- memcpy(&ld->ld_options, &openldap_ldap_global_options,
- sizeof(ld->ld_options));
+ AC_MEMCPY(&ld->ld_options, gopts, sizeof(ld->ld_options));
+
+ ld->ld_valid = LDAP_VALID_SESSION;
/* but not pointers to malloc'ed items */
- ld->ld_options.ldo_defbase = NULL;
- ld->ld_options.ldo_defhost = NULL;
ld->ld_options.ldo_sctrls = NULL;
ld->ld_options.ldo_cctrls = NULL;
- if ( defhost != NULL ) {
- ld->ld_options.ldo_defhost = strdup( defhost );
- } else {
- ld->ld_options.ldo_defhost = strdup(
- openldap_ldap_global_options.ldo_defhost);
- }
+#ifdef HAVE_CYRUS_SASL
+ ld->ld_options.ldo_def_sasl_mech = gopts->ldo_def_sasl_mech
+ ? LDAP_STRDUP( gopts->ldo_def_sasl_mech ) : NULL;
+ ld->ld_options.ldo_def_sasl_realm = gopts->ldo_def_sasl_realm
+ ? LDAP_STRDUP( gopts->ldo_def_sasl_realm ) : NULL;
+ ld->ld_options.ldo_def_sasl_authcid = gopts->ldo_def_sasl_authcid
+ ? LDAP_STRDUP( gopts->ldo_def_sasl_authcid ) : NULL;
+ ld->ld_options.ldo_def_sasl_authzid = gopts->ldo_def_sasl_authzid
+ ? LDAP_STRDUP( gopts->ldo_def_sasl_authzid ) : NULL;
+#endif
- if ( ld->ld_options.ldo_defhost == NULL ) {
- free( (char*)ld );
- WSACleanup( );
- return( NULL );
- }
+ ld->ld_options.ldo_defludp = ldap_url_duplist(gopts->ldo_defludp);
- if ( openldap_ldap_global_options.ldo_defbase != NULL ) {
- ld->ld_options.ldo_defbase = strdup(
- openldap_ldap_global_options.ldo_defbase);
+ if ( ld->ld_options.ldo_defludp == NULL ) {
+ LDAP_FREE( (char*)ld );
+ return LDAP_NO_MEMORY;
}
if (( ld->ld_selectinfo = ldap_new_select_info()) == NULL ) {
- free( (char*) ld->ld_options.ldo_defhost );
- if ( ld->ld_options.ldo_defbase == NULL ) {
- free( (char*) ld->ld_options.ldo_defbase );
- }
- free( (char*) ld );
- WSACleanup( );
- return( NULL );
+ ldap_free_urllist( ld->ld_options.ldo_defludp );
+ LDAP_FREE( (char*) ld );
+ return LDAP_NO_MEMORY;
}
- if(defport != 0) {
- ld->ld_defport = defport;
+ ld->ld_lberoptions = LBER_USE_DER;
+
+ ld->ld_sb = ber_sockbuf_alloc( );
+ if ( ld->ld_sb == NULL ) {
+ ldap_free_urllist( ld->ld_options.ldo_defludp );
+ LDAP_FREE( (char*) ld );
+ return LDAP_NO_MEMORY;
}
- ld->ld_lberoptions = LBER_USE_DER;
+ *ldp = ld;
+ return LDAP_SUCCESS;
+}
+
+/*
+ * ldap_init - initialize the LDAP library. A magic cookie to be used for
+ * future communication is returned on success, NULL on failure.
+ * "host" may be a space-separated list of hosts or IP addresses
+ *
+ * Example:
+ * LDAP *ld;
+ * ld = ldap_init( host, port );
+ */
+LDAP *
+ldap_init( LDAP_CONST char *defhost, int defport )
+{
+ LDAP *ld;
+ int rc;
-#if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
- ld->ld_lberoptions |= LBER_TRANSLATE_STRINGS;
-#if LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET
- ldap_set_string_translators( ld, ldap_8859_to_t61, ldap_t61_to_8859 );
-#endif /* LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET */
-#endif /* STR_TRANSLATION && LDAP_DEFAULT_CHARSET */
+ rc = ldap_create(&ld);
+ if ( rc != LDAP_SUCCESS )
+ return NULL;
- /* we'll assume we're talking version 2 for now */
- ld->ld_version = LDAP_VERSION2;
+ if (defport != 0)
+ ld->ld_options.ldo_defport = defport;
- ber_pvt_sb_init( &(ld->ld_sb) );
+ if (defhost != NULL) {
+ rc = ldap_set_option(ld, LDAP_OPT_HOST_NAME, defhost);
+ if ( rc != LDAP_SUCCESS ) {
+ ldap_ld_free(ld, 1, NULL, NULL);
+ return NULL;
+ }
+ }
return( ld );
}
int
-open_ldap_connection( LDAP *ld, Sockbuf *sb, const char *host, int defport,
- char **krbinstancep, int async )
+ldap_initialize( LDAP **ldp, LDAP_CONST char *url )
{
- int rc = -1;
- int port;
- const char *p, *q;
- char *r, *curhost, hostname[ 2*MAXHOSTNAMELEN ];
-
- Debug( LDAP_DEBUG_TRACE, "open_ldap_connection\n", 0, 0, 0 );
-
- defport = htons( (short) defport );
-
- if ( host != NULL ) {
- for ( p = host; p != NULL && *p != '\0'; p = q ) {
- if (( q = strchr( p, ' ' )) != NULL ) {
- strncpy( hostname, p, q - p );
- hostname[ q - p ] = '\0';
- curhost = hostname;
- while ( *q == ' ' ) {
- ++q;
- }
+ int rc;
+ LDAP *ld;
+
+ *ldp = NULL;
+ rc = ldap_create(&ld);
+ if ( rc != LDAP_SUCCESS )
+ return rc;
+
+ if (url != NULL) {
+ rc = ldap_set_option(ld, LDAP_OPT_URI, url);
+ if ( rc != LDAP_SUCCESS ) {
+ ldap_ld_free(ld, 1, NULL, NULL);
+ return rc;
+ }
+#ifdef LDAP_CONNECTIONLESS
+ if (ldap_is_ldapc_url(url))
+ LDAP_IS_UDP(ld) = 1;
+#endif
+ }
+
+ *ldp = ld;
+ return LDAP_SUCCESS;
+}
+
+int
+ldap_int_open_connection(
+ LDAP *ld,
+ LDAPConn *conn,
+ LDAPURLDesc *srv,
+ int async )
+{
+ int rc = -1;
+#ifdef HAVE_CYRUS_SASL
+ char *sasl_host = NULL;
+ int sasl_ssf = 0;
+#endif
+ char *host;
+ int port, proto;
+ long addr;
+
+ Debug( LDAP_DEBUG_TRACE, "ldap_int_open_connection\n", 0, 0, 0 );
+
+ switch ( proto = ldap_pvt_url_scheme2proto( srv->lud_scheme ) ) {
+ case LDAP_PROTO_TCP:
+ port = srv->lud_port;
+
+ addr = 0;
+ if ( srv->lud_host == NULL || *srv->lud_host == 0 ) {
+ host = NULL;
+ addr = htonl( INADDR_LOOPBACK );
} else {
- curhost = (char *) p; /* avoid copy if possible */
- q = NULL;
+ host = srv->lud_host;
}
- if (( r = strchr( curhost, ':' )) != NULL ) {
- if ( curhost != hostname ) {
- strcpy( hostname, curhost ); /* now copy */
- r = hostname + ( r - curhost );
- curhost = hostname;
- }
- *r++ = '\0';
- port = htons( (short) atoi( r ) );
+ rc = ldap_connect_to_host( ld, conn->lconn_sb,
+ proto, host, addr, port, async );
+
+ if ( rc == -1 ) return rc;
+
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)"tcp_" );
+#endif
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_tcp,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
+
+#ifdef HAVE_CYRUS_SASL
+ sasl_host = ldap_host_connected_to( conn->lconn_sb );
+#endif
+ break;
+#ifdef LDAP_CONNECTIONLESS
+ case LDAP_PROTO_UDP:
+ port = srv->lud_port;
+
+ addr = 0;
+ if ( srv->lud_host == NULL || *srv->lud_host == 0 ) {
+ host = NULL;
+ addr = htonl( INADDR_LOOPBACK );
} else {
- port = defport;
+ host = srv->lud_host;
}
+ LDAP_IS_UDP(ld) = 1;
+ rc = ldap_connect_to_host( ld, conn->lconn_sb,
+ proto, host, addr, port, async );
+
+ if ( rc == -1 ) return rc;
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)"udp_" );
+#endif
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_udp,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
+ break;
+#endif
+ case LDAP_PROTO_IPC:
+#ifdef LDAP_PF_LOCAL
+ /* only IPC mechanism supported is PF_LOCAL (PF_UNIX) */
+ rc = ldap_connect_to_path( ld, conn->lconn_sb,
+ srv->lud_host, async );
+ if ( rc == -1 ) return rc;
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)"ipc_" );
+#endif
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_fd,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
- if (( rc = ldap_connect_to_host( sb, curhost, 0L,
- port, async )) != -1 ) {
- break;
- }
- }
- } else {
- rc = ldap_connect_to_host( sb, NULL, htonl( INADDR_LOOPBACK ),
- defport, async );
+#ifdef HAVE_CYRUS_SASL
+ sasl_host = ldap_host_connected_to( conn->lconn_sb );
+ sasl_ssf = LDAP_PVT_SASL_LOCAL_SSF;
+#endif
+ break;
+#endif /* LDAP_PF_LOCAL */
+ default:
+ return -1;
+ break;
}
- if ( rc == -1 ) {
- return( rc );
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_readahead,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
+
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( conn->lconn_sb, &ber_sockbuf_io_debug,
+ INT_MAX, (void *)"ldap_" );
+#endif
+
+#ifdef LDAP_CONNECTIONLESS
+ if( proto == LDAP_PROTO_UDP )
+ return 0;
+#endif
+
+#ifdef HAVE_CYRUS_SASL
+ /* establish Cyrus SASL context prior to starting TLS so
+ that SASL EXTERNAL might be used */
+ if( sasl_host != NULL ) {
+ ldap_int_sasl_open( ld, conn, sasl_host, sasl_ssf );
+ LDAP_FREE( sasl_host );
}
-
- ber_pvt_sb_set_io( sb, &ber_pvt_sb_io_tcp, NULL );
+#endif
+
+#ifdef HAVE_TLS
+ if (ld->ld_options.ldo_tls_mode == LDAP_OPT_X_TLS_HARD ||
+ strcmp( srv->lud_scheme, "ldaps" ) == 0 )
+ {
+ ++conn->lconn_refcnt; /* avoid premature free */
- if ( krbinstancep != NULL ) {
-#ifdef HAVE_KERBEROS
+ rc = ldap_int_tls_start( ld, conn, srv );
+
+ --conn->lconn_refcnt;
+
+ if (rc != LDAP_SUCCESS) {
+ return -1;
+ }
+ }
+#endif
+
+#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
+ if ( conn->lconn_krbinstance == NULL ) {
char *c;
- if (( *krbinstancep = ldap_host_connected_to( sb )) != NULL &&
- ( c = strchr( *krbinstancep, '.' )) != NULL ) {
+ conn->lconn_krbinstance = ldap_host_connected_to( conn->lconn_sb );
+
+ if( conn->lconn_krbinstance != NULL &&
+ ( c = strchr( conn->lconn_krbinstance, '.' )) != NULL ) {
*c = '\0';
}
-#else /* HAVE_KERBEROS */
- krbinstancep = NULL;
-#endif /* HAVE_KERBEROS */
}
+#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
return( 0 );
}
+
+
+int ldap_open_internal_connection( LDAP **ldp, ber_socket_t *fdp )
+{
+ int rc;
+ LDAPConn *c;
+ LDAPRequest *lr;
+
+ rc = ldap_create( ldp );
+ if( rc != LDAP_SUCCESS ) {
+ *ldp = NULL;
+ return( rc );
+ }
+
+ /* Make it appear that a search request, msgid 0, was sent */
+ lr = (LDAPRequest *)LDAP_CALLOC( 1, sizeof( LDAPRequest ));
+ if( lr == NULL ) {
+ ldap_unbind( *ldp );
+ *ldp = NULL;
+ return( LDAP_NO_MEMORY );
+ }
+ memset(lr, 0, sizeof( LDAPRequest ));
+ lr->lr_msgid = 0;
+ lr->lr_status = LDAP_REQST_INPROGRESS;
+ lr->lr_res_errno = LDAP_SUCCESS;
+ (*ldp)->ld_requests = lr;
+
+ /* Attach the passed socket as the *LDAP's connection */
+ c = ldap_new_connection( *ldp, NULL, 1, 0, NULL);
+ if( c == NULL ) {
+ ldap_unbind( *ldp );
+ *ldp = NULL;
+ return( LDAP_NO_MEMORY );
+ }
+ ber_sockbuf_ctrl( c->lconn_sb, LBER_SB_OPT_SET_FD, fdp );
+#ifdef LDAP_DEBUG
+ ber_sockbuf_add_io( c->lconn_sb, &ber_sockbuf_io_debug,
+ LBER_SBIOD_LEVEL_PROVIDER, (void *)"int_" );
+#endif
+ ber_sockbuf_add_io( c->lconn_sb, &ber_sockbuf_io_tcp,
+ LBER_SBIOD_LEVEL_PROVIDER, NULL );
+ (*ldp)->ld_defconn = c;
+
+ /* Add the connection to the *LDAP's select pool */
+ ldap_mark_select_read( *ldp, c->lconn_sb );
+ ldap_mark_select_write( *ldp, c->lconn_sb );
+
+ /* Make this connection an LDAP V3 protocol connection */
+ rc = LDAP_VERSION3;
+ ldap_set_option( *ldp, LDAP_OPT_PROTOCOL_VERSION, &rc );
+
+ return( LDAP_SUCCESS );
+}