RetroZilla/directory/c-sdk/ldap/libraries/libldap/setoption.c

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2015-10-21 05:03:22 +02:00
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* setoption.c - ldap_set_option implementation
*/
#include "ldap-int.h"
#define LDAP_SETCLR_BITOPT( ld, bit, optdata ) \
if ( optdata != NULL ) { \
(ld)->ld_options |= bit; \
} else { \
(ld)->ld_options &= ~bit; \
}
int
LDAP_CALL
ldap_set_option( LDAP *ld, int option, const void *optdata )
{
int rc, i;
char *matched, *errstr;
if ( !nsldapi_initialized ) {
nsldapi_initialize_defaults();
}
/*
* process global options (not associated with an LDAP session handle)
*/
if ( option == LDAP_OPT_MEMALLOC_FN_PTRS ) {
struct lber_memalloc_fns memalloc_fns;
/* set libldap ones via a struct copy */
nsldapi_memalloc_fns = *((struct ldap_memalloc_fns *)optdata);
/* also set liblber memory allocation callbacks */
memalloc_fns.lbermem_malloc =
nsldapi_memalloc_fns.ldapmem_malloc;
memalloc_fns.lbermem_calloc =
nsldapi_memalloc_fns.ldapmem_calloc;
memalloc_fns.lbermem_realloc =
nsldapi_memalloc_fns.ldapmem_realloc;
memalloc_fns.lbermem_free =
nsldapi_memalloc_fns.ldapmem_free;
if ( ber_set_option( NULL, LBER_OPT_MEMALLOC_FN_PTRS,
&memalloc_fns ) != 0 ) {
return( -1 );
}
return( 0 );
}
/*
* LDAP_OPT_DEBUG_LEVEL is global
*/
if (LDAP_OPT_DEBUG_LEVEL == option)
{
#ifdef LDAP_DEBUG
ldap_debug = *((int *) optdata);
#endif
return 0;
}
/*
* if ld is NULL, arrange to modify our default settings
*/
if ( ld == NULL ) {
ld = &nsldapi_ld_defaults;
#ifdef LDAP_DEBUG
ldap_debug = 0;
#endif
}
/*
* process options that are associated with an LDAP session handle
*/
if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
return( -1 ); /* punt */
}
rc = 0;
if ( ld != &nsldapi_ld_defaults
&& option != LDAP_OPT_EXTRA_THREAD_FN_PTRS
&& option != LDAP_OPT_THREAD_FN_PTRS ) {
LDAP_MUTEX_LOCK( ld, LDAP_OPTION_LOCK );
}
switch( option ) {
/* options that can be turned on and off */
#ifdef LDAP_DNS
case LDAP_OPT_DNS:
LDAP_SETCLR_BITOPT( ld, LDAP_BITOPT_DNS, optdata );
break;
#endif
case LDAP_OPT_REFERRALS:
LDAP_SETCLR_BITOPT( ld, LDAP_BITOPT_REFERRALS, optdata );
break;
case LDAP_OPT_SSL:
LDAP_SETCLR_BITOPT( ld, LDAP_BITOPT_SSL, optdata );
break;
case LDAP_OPT_RESTART:
LDAP_SETCLR_BITOPT( ld, LDAP_BITOPT_RESTART, optdata );
break;
case LDAP_OPT_RECONNECT:
LDAP_SETCLR_BITOPT( ld, LDAP_BITOPT_RECONNECT, optdata );
break;
#ifdef LDAP_ASYNC_IO
case LDAP_OPT_ASYNC_CONNECT:
LDAP_SETCLR_BITOPT(ld, LDAP_BITOPT_ASYNC, optdata );
break;
#endif /* LDAP_ASYNC_IO */
/* fields in the LDAP structure */
case LDAP_OPT_DEREF:
ld->ld_deref = *((int *) optdata);
break;
case LDAP_OPT_SIZELIMIT:
ld->ld_sizelimit = *((int *) optdata);
break;
case LDAP_OPT_TIMELIMIT:
ld->ld_timelimit = *((int *) optdata);
break;
case LDAP_OPT_REFERRAL_HOP_LIMIT:
ld->ld_refhoplimit = *((int *) optdata);
break;
case LDAP_OPT_PROTOCOL_VERSION:
ld->ld_version = *((int *) optdata);
if ( ld->ld_defconn != NULL ) { /* also set in default conn. */
ld->ld_defconn->lconn_version = ld->ld_version;
}
break;
case LDAP_OPT_SERVER_CONTROLS:
/* nsldapi_dup_controls returns -1 and sets lderrno on error */
rc = nsldapi_dup_controls( ld, &ld->ld_servercontrols,
(LDAPControl **)optdata );
break;
case LDAP_OPT_CLIENT_CONTROLS:
/* nsldapi_dup_controls returns -1 and sets lderrno on error */
rc = nsldapi_dup_controls( ld, &ld->ld_clientcontrols,
(LDAPControl **)optdata );
break;
/* rebind proc */
case LDAP_OPT_REBIND_FN:
ld->ld_rebind_fn = (LDAP_REBINDPROC_CALLBACK *) optdata;
break;
case LDAP_OPT_REBIND_ARG:
ld->ld_rebind_arg = (void *) optdata;
break;
/* i/o function pointers */
case LDAP_OPT_IO_FN_PTRS:
if (( rc = nsldapi_install_compat_io_fns( ld,
(struct ldap_io_fns *)optdata )) != LDAP_SUCCESS ) {
LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
rc = -1;
}
break;
/* extended i/o function pointers */
case LDAP_X_OPT_EXTIO_FN_PTRS:
/* denotes use of old iofns struct (no writev) */
if (((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_size == LDAP_X_EXTIO_FNS_SIZE_REV0) {
ld->ld_extio_size = LDAP_X_EXTIO_FNS_SIZE;
ld->ld_extclose_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_close;
ld->ld_extconnect_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_connect;
ld->ld_extread_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_read;
ld->ld_extwrite_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_write;
ld->ld_extpoll_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_poll;
ld->ld_extnewhandle_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_newhandle;
ld->ld_extdisposehandle_fn = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_disposehandle;
ld->ld_ext_session_arg = ((struct ldap_x_ext_io_fns_rev0 *) optdata)->lextiof_session_arg;
ld->ld_extwritev_fn = NULL;
if ( ber_sockbuf_set_option( ld->ld_sbp, LBER_SOCKBUF_OPT_EXT_IO_FNS,
&(ld->ld_ext_io_fns) ) != 0 ) {
return( LDAP_LOCAL_ERROR );
}
}
else {
/* struct copy */
ld->ld_ext_io_fns = *((struct ldap_x_ext_io_fns *) optdata);
}
if (( rc = nsldapi_install_lber_extiofns( ld, ld->ld_sbp ))
!= LDAP_SUCCESS ) {
LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
rc = -1;
}
break;
/* thread function pointers */
case LDAP_OPT_THREAD_FN_PTRS:
/*
* It is only safe to set the thread function pointers
* when one thread is using the LDAP session handle.
*/
/* free existing mutexes (some are allocated by ldap_init()) */
nsldapi_mutex_free_all( ld );
/* struct copy */
ld->ld_thread = *((struct ldap_thread_fns *) optdata);
/* allocate new mutexes */
nsldapi_mutex_alloc_all( ld );
/* LDAP_OPTION_LOCK was never locked... so just return */
return (rc);
/* extra thread function pointers */
case LDAP_OPT_EXTRA_THREAD_FN_PTRS:
/* The extra thread funcs will only pick up the threadid */
ld->ld_thread2 = *((struct ldap_extra_thread_fns *) optdata);
/* Reset the rest of the structure preserving the threadid fn */
ld->ld_mutex_trylock_fn = (LDAP_TF_MUTEX_TRYLOCK_CALLBACK *)NULL;
ld->ld_sema_alloc_fn = (LDAP_TF_SEMA_ALLOC_CALLBACK *) NULL;
ld->ld_sema_free_fn = (LDAP_TF_SEMA_FREE_CALLBACK *) NULL;
ld->ld_sema_wait_fn = (LDAP_TF_SEMA_WAIT_CALLBACK *) NULL;
ld->ld_sema_post_fn = (LDAP_TF_SEMA_POST_CALLBACK *) NULL;
/* We assume that only one thread is active when replacing */
/* the threadid function. We will now proceed and reset all */
/* of the threadid/refcounts */
for( i=0; i<LDAP_MAX_LOCK; i++ ) {
ld->ld_mutex_threadid[i] = (void *) -1;
ld->ld_mutex_refcnt[i] = 0;
}
/* LDAP_OPTION_LOCK was never locked... so just return */
return (rc);
/* DNS function pointers */
case LDAP_OPT_DNS_FN_PTRS:
/* struct copy */
ld->ld_dnsfn = *((struct ldap_dns_fns *) optdata);
break;
/* cache function pointers */
case LDAP_OPT_CACHE_FN_PTRS:
/* struct copy */
ld->ld_cache = *((struct ldap_cache_fns *) optdata);
break;
case LDAP_OPT_CACHE_STRATEGY:
ld->ld_cache_strategy = *((int *) optdata);
break;
case LDAP_OPT_CACHE_ENABLE:
ld->ld_cache_on = *((int *) optdata);
break;
case LDAP_OPT_ERROR_NUMBER:
LDAP_GET_LDERRNO( ld, &matched, &errstr );
matched = nsldapi_strdup( matched );
errstr = nsldapi_strdup( errstr );
LDAP_SET_LDERRNO( ld, *((int *) optdata), matched, errstr );
break;
case LDAP_OPT_ERROR_STRING:
rc = LDAP_GET_LDERRNO( ld, &matched, NULL );
matched = nsldapi_strdup( matched );
LDAP_SET_LDERRNO( ld, rc, matched,
nsldapi_strdup((char *) optdata));
rc = LDAP_SUCCESS;
break;
case LDAP_OPT_MATCHED_DN:
rc = LDAP_GET_LDERRNO( ld, NULL, &errstr );
errstr = nsldapi_strdup( errstr );
LDAP_SET_LDERRNO( ld, rc,
nsldapi_strdup((char *) optdata), errstr );
rc = LDAP_SUCCESS;
break;
case LDAP_OPT_PREFERRED_LANGUAGE:
if ( NULL != ld->ld_preferred_language ) {
NSLDAPI_FREE(ld->ld_preferred_language);
}
ld->ld_preferred_language = nsldapi_strdup((char *) optdata);
break;
case LDAP_OPT_HOST_NAME:
if ( NULL != ld->ld_defhost ) {
NSLDAPI_FREE(ld->ld_defhost);
}
ld->ld_defhost = nsldapi_strdup((char *) optdata);
break;
case LDAP_X_OPT_CONNECT_TIMEOUT:
ld->ld_connect_timeout = *((int *) optdata);
break;
default:
LDAP_SET_LDERRNO( ld, LDAP_PARAM_ERROR, NULL, NULL );
rc = -1;
}
if ( ld != &nsldapi_ld_defaults ) {
LDAP_MUTEX_UNLOCK( ld, LDAP_OPTION_LOCK );
}
return( rc );
}