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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2022 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/stdarg.h>
#include "lber-int.h"
char ber_pvt_opt_on; /* used to get a non-NULL address for *_OPT_ON */
struct lber_options ber_int_options = {
LBER_UNINITIALIZED, 0, 0 };
static BerMemoryFunctions ber_int_memory_fns_datum;
int
ber_get_option(
void *item,
int option,
void *outvalue)
{
const BerElement *ber;
const Sockbuf *sb;
if(outvalue == NULL) {
/* no place to get to */
ber_errno = LBER_ERROR_PARAM;
return LBER_OPT_ERROR;
}
if(item == NULL) {
switch ( option ) {
case LBER_OPT_BER_DEBUG:
* (int *) outvalue = ber_int_debug;
return LBER_OPT_SUCCESS;
case LBER_OPT_MEMORY_INUSE:
/* The memory inuse is a global variable on kernel implementations.
* This means that memory debug is shared by all LDAP processes
* so for this variable to have much meaning, only one LDAP process
* should be running and memory inuse should be initialized to zero
* using the lber_set_option() function during startup.
* The counter is not accurate for multithreaded ldap applications.
*/
#ifdef LDAP_MEMORY_DEBUG
* (int *) outvalue = ber_int_meminuse;
return LBER_OPT_SUCCESS;
#else
return LBER_OPT_ERROR;
#endif
case LBER_OPT_LOG_PRINT_FILE:
*((FILE**)outvalue) = (FILE*)ber_pvt_err_file;
return LBER_OPT_SUCCESS;
case LBER_OPT_LOG_PRINT_FN:
*(BER_LOG_PRINT_FN *)outvalue = ber_pvt_log_print;
return LBER_OPT_SUCCESS;
}
ber_errno = LBER_ERROR_PARAM;
return LBER_OPT_ERROR;
}
ber = item;
sb = item;
switch(option) {
case LBER_OPT_BER_OPTIONS:
assert( LBER_VALID( ber ) );
* (int *) outvalue = ber->ber_options;
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_DEBUG:
assert( LBER_VALID( ber ) );
* (int *) outvalue = ber->ber_debug;
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_REMAINING_BYTES:
assert( LBER_VALID( ber ) );
*((ber_len_t *) outvalue) = ber_pvt_ber_remaining(ber);
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_TOTAL_BYTES:
assert( LBER_VALID( ber ) );
*((ber_len_t *) outvalue) = ber_pvt_ber_total(ber);
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_BYTES_TO_WRITE:
assert( LBER_VALID( ber ) );
*((ber_len_t *) outvalue) = ber_pvt_ber_write(ber);
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_MEMCTX:
assert( LBER_VALID( ber ) );
*((void **) outvalue) = ber->ber_memctx;
return LBER_OPT_SUCCESS;
default:
/* bad param */
ber_errno = LBER_ERROR_PARAM;
break;
}
return LBER_OPT_ERROR;
}
int
ber_set_option(
void *item,
int option,
LDAP_CONST void *invalue)
{
BerElement *ber;
Sockbuf *sb;
if(invalue == NULL) {
/* no place to set from */
ber_errno = LBER_ERROR_PARAM;
return LBER_OPT_ERROR;
}
if(item == NULL) {
switch ( option ) {
case LBER_OPT_BER_DEBUG:
ber_int_debug = * (const int *) invalue;
return LBER_OPT_SUCCESS;
case LBER_OPT_LOG_PRINT_FN:
ber_pvt_log_print = (BER_LOG_PRINT_FN) invalue;
return LBER_OPT_SUCCESS;
case LBER_OPT_LOG_PRINT_FILE:
ber_pvt_err_file = (void *) invalue;
return LBER_OPT_SUCCESS;
case LBER_OPT_MEMORY_INUSE:
/* The memory inuse is a global variable on kernel implementations.
* This means that memory debug is shared by all LDAP processes
* so for this variable to have much meaning, only one LDAP process
* should be running and memory inuse should be initialized to zero
* using the lber_set_option() function during startup.
* The counter is not accurate for multithreaded applications.
*/
#ifdef LDAP_MEMORY_DEBUG
ber_int_meminuse = * (int *) invalue;
return LBER_OPT_SUCCESS;
#else
return LBER_OPT_ERROR;
#endif
case LBER_OPT_MEMORY_FNS:
if ( ber_int_memory_fns == NULL )
{
const BerMemoryFunctions *f =
(const BerMemoryFunctions *) invalue;
/* make sure all functions are provided */
if(!( f->bmf_malloc && f->bmf_calloc
&& f->bmf_realloc && f->bmf_free ))
{
ber_errno = LBER_ERROR_PARAM;
return LBER_OPT_ERROR;
}
ber_int_memory_fns = &ber_int_memory_fns_datum;
AC_MEMCPY(ber_int_memory_fns, f,
sizeof(BerMemoryFunctions));
return LBER_OPT_SUCCESS;
}
break;
case LBER_OPT_LOG_PROC:
ber_int_log_proc = (BER_LOG_FN)invalue;
return LBER_OPT_SUCCESS;
}
ber_errno = LBER_ERROR_PARAM;
return LBER_OPT_ERROR;
}
ber = item;
sb = item;
switch(option) {
case LBER_OPT_BER_OPTIONS:
assert( LBER_VALID( ber ) );
ber->ber_options = * (const int *) invalue;
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_DEBUG:
assert( LBER_VALID( ber ) );
ber->ber_debug = * (const int *) invalue;
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_REMAINING_BYTES:
assert( LBER_VALID( ber ) );
ber->ber_end = &ber->ber_ptr[* (const ber_len_t *) invalue];
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_TOTAL_BYTES:
assert( LBER_VALID( ber ) );
ber->ber_end = &ber->ber_buf[* (const ber_len_t *) invalue];
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_BYTES_TO_WRITE:
assert( LBER_VALID( ber ) );
ber->ber_ptr = &ber->ber_buf[* (const ber_len_t *) invalue];
return LBER_OPT_SUCCESS;
case LBER_OPT_BER_MEMCTX:
assert( LBER_VALID( ber ) );
ber->ber_memctx = *(void **)invalue;
return LBER_OPT_SUCCESS;
default:
/* bad param */
ber_errno = LBER_ERROR_PARAM;
break;
}
return LBER_OPT_ERROR;
}
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