openldap/servers/slapd/mr.c

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/* mr.c - routines to manage matching rule definitions */
/* $OpenLDAP$ */
/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "ldap_pvt.h"
struct mindexrec {
char *mir_name;
MatchingRule *mir_mr;
};
static Avlnode *mr_index = NULL;
static MatchingRule *mr_list = NULL;
static int
mr_index_cmp(
struct mindexrec *mir1,
struct mindexrec *mir2
)
{
return (strcmp( mir1->mir_name, mir2->mir_name ));
}
static int
mr_index_name_cmp(
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char *name,
struct mindexrec *mir
)
{
return (strcmp( name, mir->mir_name ));
}
MatchingRule *
mr_find( const char *mrname )
{
struct mindexrec *mir = NULL;
if ( (mir = (struct mindexrec *) avl_find( mr_index, mrname,
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(AVL_CMP) mr_index_name_cmp )) != NULL ) {
return( mir->mir_mr );
}
return( NULL );
}
static int
mr_insert(
MatchingRule *smr,
const char **err
)
{
MatchingRule **mrp;
struct mindexrec *mir;
char **names;
mrp = &mr_list;
while ( *mrp != NULL ) {
mrp = &(*mrp)->smr_next;
}
*mrp = smr;
if ( smr->smr_oid ) {
mir = (struct mindexrec *)
ch_calloc( 1, sizeof(struct mindexrec) );
mir->mir_name = smr->smr_oid;
mir->mir_mr = smr;
if ( avl_insert( &mr_index, (caddr_t) mir,
(AVL_CMP) mr_index_cmp,
(AVL_DUP) avl_dup_error ) ) {
*err = smr->smr_oid;
ldap_memfree(mir);
return SLAP_SCHERR_DUP_RULE;
}
/* FIX: temporal consistency check */
mr_find(mir->mir_name);
}
if ( (names = smr->smr_names) ) {
while ( *names ) {
mir = (struct mindexrec *)
ch_calloc( 1, sizeof(struct mindexrec) );
mir->mir_name = ch_strdup(*names);
mir->mir_mr = smr;
if ( avl_insert( &mr_index, (caddr_t) mir,
(AVL_CMP) mr_index_cmp,
(AVL_DUP) avl_dup_error ) ) {
*err = *names;
ldap_memfree(mir);
return SLAP_SCHERR_DUP_RULE;
}
/* FIX: temporal consistency check */
mr_find(mir->mir_name);
names++;
}
}
return 0;
}
int
mr_add(
LDAPMatchingRule *mr,
unsigned usage,
slap_mr_convert_func *convert,
slap_mr_normalize_func *normalize,
slap_mr_match_func *match,
slap_mr_indexer_func *indexer,
slap_mr_filter_func *filter,
MatchingRule *amr,
const char **err
)
{
MatchingRule *smr;
Syntax *syn;
int code;
smr = (MatchingRule *) ch_calloc( 1, sizeof(MatchingRule) );
AC_MEMCPY( &smr->smr_mrule, mr, sizeof(LDAPMatchingRule));
smr->smr_usage = usage;
smr->smr_convert = convert;
smr->smr_normalize = normalize;
smr->smr_match = match;
smr->smr_indexer = indexer;
smr->smr_filter = filter;
smr->smr_associated = amr;
if ( smr->smr_syntax_oid ) {
if ( (syn = syn_find(smr->smr_syntax_oid)) ) {
smr->smr_syntax = syn;
} else {
*err = smr->smr_syntax_oid;
return SLAP_SCHERR_SYN_NOT_FOUND;
}
} else {
*err = "";
return SLAP_SCHERR_MR_INCOMPLETE;
}
code = mr_insert(smr,err);
return code;
}
int
register_matching_rule(
char * desc,
unsigned usage,
slap_mr_convert_func *convert,
slap_mr_normalize_func *normalize,
slap_mr_match_func *match,
slap_mr_indexer_func *indexer,
slap_mr_filter_func *filter,
const char* associated )
{
LDAPMatchingRule *mr;
MatchingRule *amr = NULL;
int code;
const char *err;
if( usage == SLAP_MR_NONE ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"register_matching_rule: %s not usable\n", desc ));
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#else
Debug( LDAP_DEBUG_ANY, "register_matching_rule: not usable %s\n",
desc, 0, 0 );
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#endif
return -1;
}
if( associated != NULL ) {
amr = mr_find( associated );
#if 0
/* ignore for now */
if( amr == NULL ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"register_matching_rule: could not locate associated matching rule %s for %s\n",
associated, desc ));
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#else
Debug( LDAP_DEBUG_ANY, "register_matching_rule: could not locate "
"associated matching rule %s for %s\n",
associated, desc, 0 );
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#endif
return -1;
}
#endif
}
mr = ldap_str2matchingrule( desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
if ( !mr ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"register_matching_rule: %s before %s in %s.\n",
ldap_scherr2str(code), err, desc ));
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#else
Debug( LDAP_DEBUG_ANY, "Error in register_matching_rule: %s before %s in %s\n",
ldap_scherr2str(code), err, desc );
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#endif
return( -1 );
}
code = mr_add( mr, usage,
convert, normalize, match, indexer, filter, amr,
&err );
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ldap_memfree( mr );
if ( code ) {
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#ifdef NEW_LOGGING
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LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
"register_matching_rule: %s for %s in %s.\n",
scherr2str(code), err, desc ));
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#else
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Debug( LDAP_DEBUG_ANY, "Error in register_matching_rule: %s for %s in %s\n",
scherr2str(code), err, desc );
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#endif
return( -1 );
}
return( 0 );
}
#if defined( SLAPD_SCHEMA_DN )
int mr_schema_info( Entry *e )
{
struct berval val;
struct berval *vals[2];
MatchingRule *mr;
AttributeDescription *ad_matchingRules = slap_schema.si_ad_matchingRules;
vals[0] = &val;
vals[1] = NULL;
for ( mr = mr_list; mr; mr = mr->smr_next ) {
if ( ! mr->smr_match ) {
/* skip rules without matching functions */
continue;
}
val.bv_val = ldap_matchingrule2str( &mr->smr_mrule );
if ( val.bv_val == NULL ) {
return -1;
}
val.bv_len = strlen( val.bv_val );
#if 0
Debug( LDAP_DEBUG_TRACE, "Merging mr [%ld] %s\n",
(long) val.bv_len, val.bv_val, 0 );
#endif
attr_merge( e, ad_matchingRules, vals );
ldap_memfree( val.bv_val );
}
return 0;
}
#endif