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/* oidm.c - object identifier macro routines */
/* $OpenLDAP$ */
/* 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 <stdio.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "lutil.h"
#include "slap-config.h"
static LDAP_STAILQ_HEAD(OidMacroList, OidMacro) om_list
= LDAP_STAILQ_HEAD_INITIALIZER(om_list);
OidMacro *om_sys_tail;
/* Replace an OID Macro invocation with its full numeric OID.
* If the macro is used with "macroname:suffix" append ".suffix"
* to the expansion.
*/
char *
oidm_find(char *oid)
{
OidMacro *om;
/* OID macros must start alpha */
if ( OID_LEADCHAR( *oid ) ) {
return oid;
}
LDAP_STAILQ_FOREACH( om, &om_list, som_next ) {
BerVarray names = om->som_names;
if( names == NULL ) {
continue;
}
for( ; !BER_BVISNULL( names ) ; names++ ) {
int pos = dscompare(names->bv_val, oid, ':');
if( pos ) {
int suflen = strlen(oid + pos);
char *tmp = SLAP_MALLOC( om->som_oid.bv_len
+ suflen + 1);
if( tmp == NULL ) {
Debug( LDAP_DEBUG_ANY,
"oidm_find: SLAP_MALLOC failed" );
return NULL;
}
strcpy(tmp, om->som_oid.bv_val);
if( suflen ) {
suflen = om->som_oid.bv_len;
tmp[suflen++] = '.';
strcpy(tmp+suflen, oid+pos+1);
}
return tmp;
}
}
}
return NULL;
}
void
oidm_destroy()
{
OidMacro *om;
while( !LDAP_STAILQ_EMPTY( &om_list )) {
om = LDAP_STAILQ_FIRST( &om_list );
LDAP_STAILQ_REMOVE_HEAD( &om_list, som_next );
ber_bvarray_free(om->som_names);
ber_bvarray_free(om->som_subs);
free(om->som_oid.bv_val);
free(om);
}
}
int
parse_oidm(
struct config_args_s *c,
int user,
OidMacro **rom)
{
char *oid, *oidv;
OidMacro *om = NULL, *prev = NULL;
struct berval bv;
oidv = oidm_find( c->argv[2] );
if( !oidv ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"%s: OID %s not recognized",
c->argv[0], c->argv[2] );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
"%s %s\n", c->log, c->cr_msg );
return 1;
}
oid = oidm_find( c->argv[1] );
if( oid != NULL ) {
int rc;
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"%s: \"%s\" previously defined \"%s\"",
c->argv[0], c->argv[1], oid );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
"%s %s\n", c->log, c->cr_msg );
/* Allow duplicate if the definition is identical */
rc = strcmp( oid, oidv ) != 0;
SLAP_FREE( oid );
if ( oidv != c->argv[2] )
SLAP_FREE( oidv );
return rc;
}
om = (OidMacro *) SLAP_CALLOC( sizeof(OidMacro), 1 );
if( om == NULL ) {
snprintf( c->cr_msg, sizeof( c->cr_msg ),
"%s: SLAP_CALLOC failed", c->argv[0] );
Debug( LDAP_DEBUG_ANY,
"%s %s\n", c->log, c->cr_msg );
if ( oidv != c->argv[2] )
SLAP_FREE( oidv );
return 1;
}
om->som_names = NULL;
om->som_subs = NULL;
ber_str2bv( c->argv[1], 0, 1, &bv );
ber_bvarray_add( &om->som_names, &bv );
ber_str2bv( c->argv[2], 0, 1, &bv );
ber_bvarray_add( &om->som_subs, &bv );
om->som_oid.bv_val = oidv;
if (om->som_oid.bv_val == c->argv[2]) {
om->som_oid.bv_val = ch_strdup( c->argv[2] );
}
om->som_oid.bv_len = strlen( om->som_oid.bv_val );
if ( !user ) {
om->som_flags |= SLAP_OM_HARDCODE;
prev = om_sys_tail;
om_sys_tail = om;
}
if ( prev ) {
LDAP_STAILQ_INSERT_AFTER( &om_list, prev, om, som_next );
} else {
LDAP_STAILQ_INSERT_TAIL( &om_list, om, som_next );
}
if ( rom ) *rom = om;
return 0;
}
void oidm_unparse( BerVarray *res, OidMacro *start, OidMacro *end, int sys )
{
OidMacro *om;
int i, j, num;
struct berval *bva = NULL, idx;
char ibuf[32], *ptr;
if ( !start )
start = LDAP_STAILQ_FIRST( &om_list );
/* count the result size */
i = 0;
for ( om=start; om; om=LDAP_STAILQ_NEXT(om, som_next)) {
if ( sys && !(om->som_flags & SLAP_OM_HARDCODE)) break;
for ( j=0; !BER_BVISNULL(&om->som_names[j]); j++ );
i += j;
if ( om == end ) break;
}
num = i;
if (!i) return;
bva = ch_malloc( (num+1) * sizeof(struct berval) );
BER_BVZERO( bva+num );
idx.bv_val = ibuf;
if ( sys ) {
idx.bv_len = 0;
ibuf[0] = '\0';
}
for ( i=0,om=start; om; om=LDAP_STAILQ_NEXT(om, som_next)) {
if ( sys && !(om->som_flags & SLAP_OM_HARDCODE)) break;
for ( j=0; !BER_BVISNULL(&om->som_names[j]); i++,j++ ) {
if ( !sys ) {
idx.bv_len = sprintf(idx.bv_val, "{%d}", i );
}
bva[i].bv_len = idx.bv_len + om->som_names[j].bv_len +
om->som_subs[j].bv_len + 1;
bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
ptr = lutil_strcopy( bva[i].bv_val, ibuf );
ptr = lutil_strcopy( ptr, om->som_names[j].bv_val );
*ptr++ = ' ';
strcpy( ptr, om->som_subs[j].bv_val );
}
if ( i>=num ) break;
if ( om == end ) break;
}
*res = bva;
}
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