1 /* mr.c - routines to manage matching rule definitions */
4 * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
13 #include <ac/string.h>
14 #include <ac/socket.h>
20 struct berval mir_name;
24 static Avlnode *mr_index = NULL;
25 static LDAP_SLIST_HEAD(MRList, slap_matching_rule) mr_list
26 = LDAP_SLIST_HEAD_INITIALIZER(&mr_list);
27 static LDAP_SLIST_HEAD(MRUList, slap_matching_rule_use) mru_list
28 = LDAP_SLIST_HEAD_INITIALIZER(&mru_list);
36 const struct mindexrec *mir1 = v_mir1;
37 const struct mindexrec *mir2 = v_mir2;
38 int i = mir1->mir_name.bv_len - mir2->mir_name.bv_len;
40 return (strcmp( mir1->mir_name.bv_val, mir2->mir_name.bv_val ));
49 const struct berval *name = v_name;
50 const struct mindexrec *mir = v_mir;
51 int i = name->bv_len - mir->mir_name.bv_len;
53 return (strncmp( name->bv_val, mir->mir_name.bv_val, name->bv_len ));
57 mr_find( const char *mrname )
61 bv.bv_val = (char *)mrname;
62 bv.bv_len = strlen( mrname );
63 return mr_bvfind( &bv );
67 mr_bvfind( struct berval *mrname )
69 struct mindexrec *mir = NULL;
71 if ( (mir = avl_find( mr_index, mrname, mr_index_name_cmp )) != NULL ) {
72 return( mir->mir_mr );
82 avl_free(mr_index, ldap_memfree);
83 while( !LDAP_SLIST_EMPTY(&mr_list) ) {
84 m = LDAP_SLIST_FIRST(&mr_list);
85 LDAP_SLIST_REMOVE_HEAD(&mr_list, smr_next);
86 ch_free( m->smr_str.bv_val );
87 ldap_matchingrule_free((LDAPMatchingRule *)m);
97 struct mindexrec *mir;
100 LDAP_SLIST_NEXT( smr, smr_next ) = NULL;
101 LDAP_SLIST_INSERT_HEAD(&mr_list, smr, smr_next);
103 if ( smr->smr_oid ) {
104 mir = (struct mindexrec *)
105 ch_calloc( 1, sizeof(struct mindexrec) );
106 mir->mir_name.bv_val = smr->smr_oid;
107 mir->mir_name.bv_len = strlen( smr->smr_oid );
109 if ( avl_insert( &mr_index, (caddr_t) mir,
110 mr_index_cmp, avl_dup_error ) ) {
113 return SLAP_SCHERR_MR_DUP;
115 /* FIX: temporal consistency check */
116 mr_bvfind(&mir->mir_name);
118 if ( (names = smr->smr_names) ) {
120 mir = (struct mindexrec *)
121 ch_calloc( 1, sizeof(struct mindexrec) );
122 mir->mir_name.bv_val = *names;
123 mir->mir_name.bv_len = strlen( *names );
125 if ( avl_insert( &mr_index, (caddr_t) mir,
126 mr_index_cmp, avl_dup_error ) ) {
129 return SLAP_SCHERR_MR_DUP;
131 /* FIX: temporal consistency check */
132 mr_bvfind(&mir->mir_name);
141 LDAPMatchingRule *mr,
142 slap_mrule_defs_rec *def,
149 Syntax **compat_syn = NULL;
152 if( def->mrd_compat_syntaxes ) {
154 for( i=0; def->mrd_compat_syntaxes[i]; i++ ) {
158 compat_syn = ch_malloc( sizeof(Syntax *) * (i+1) );
160 for( i=0; def->mrd_compat_syntaxes[i]; i++ ) {
161 compat_syn[i] = syn_find( def->mrd_compat_syntaxes[i] );
162 if( compat_syn[i] == NULL ) {
163 return SLAP_SCHERR_SYN_NOT_FOUND;
167 compat_syn[i] = NULL;
170 smr = (MatchingRule *) ch_calloc( 1, sizeof(MatchingRule) );
171 AC_MEMCPY( &smr->smr_mrule, mr, sizeof(LDAPMatchingRule));
174 * note: smr_bvoid uses the same memory of smr_mrule.mr_oid;
175 * smr_oidlen is #defined as smr_bvoid.bv_len
177 smr->smr_bvoid.bv_val = smr->smr_mrule.mr_oid;
178 smr->smr_oidlen = strlen( mr->mr_oid );
179 smr->smr_usage = def->mrd_usage;
180 smr->smr_compat_syntaxes = compat_syn;
181 smr->smr_convert = def->mrd_convert;
182 smr->smr_normalize = def->mrd_normalize;
183 smr->smr_match = def->mrd_match;
184 smr->smr_indexer = def->mrd_indexer;
185 smr->smr_filter = def->mrd_filter;
186 smr->smr_associated = amr;
188 if ( smr->smr_syntax_oid ) {
189 if ( (syn = syn_find(smr->smr_syntax_oid)) ) {
190 smr->smr_syntax = syn;
192 *err = smr->smr_syntax_oid;
193 return SLAP_SCHERR_SYN_NOT_FOUND;
197 return SLAP_SCHERR_MR_INCOMPLETE;
199 code = mr_insert(smr,err);
204 register_matching_rule(
205 slap_mrule_defs_rec *def )
207 LDAPMatchingRule *mr;
208 MatchingRule *amr = NULL;
212 if( def->mrd_usage == SLAP_MR_NONE &&
213 def->mrd_compat_syntaxes == NULL )
216 LDAP_LOG( OPERATION, ERR,
217 "register_matching_rule: %s not usable\n", def->mrd_desc, 0, 0 );
219 Debug( LDAP_DEBUG_ANY, "register_matching_rule: not usable %s\n",
220 def->mrd_desc, 0, 0 );
226 if( def->mrd_associated != NULL ) {
227 amr = mr_find( def->mrd_associated );
234 LDAP_LOG( OPERATION, ERR,
235 "register_matching_rule: could not locate associated "
236 "matching rule %s for %s\n",
237 def->mrd_associated, def->mrd_desc, 0 );
239 Debug( LDAP_DEBUG_ANY, "register_matching_rule: could not locate "
240 "associated matching rule %s for %s\n",
241 def->mrd_associated, def->mrd_desc, 0 );
249 mr = ldap_str2matchingrule( def->mrd_desc, &code, &err,
250 LDAP_SCHEMA_ALLOW_ALL );
253 LDAP_LOG( OPERATION, ERR,
254 "register_matching_rule: %s before %s in %s.\n",
255 ldap_scherr2str(code), err, def->mrd_desc );
257 Debug( LDAP_DEBUG_ANY,
258 "Error in register_matching_rule: %s before %s in %s\n",
259 ldap_scherr2str(code), err, def->mrd_desc );
265 code = mr_add( mr, def, amr, &err );
271 LDAP_LOG( OPERATION, ERR,
272 "register_matching_rule: %s for %s in %s.\n",
273 scherr2str(code), err, def->mrd_desc );
275 Debug( LDAP_DEBUG_ANY,
276 "Error in register_matching_rule: %s for %s in %s\n",
277 scherr2str(code), err, def->mrd_desc );
291 while( !LDAP_SLIST_EMPTY(&mru_list) ) {
292 m = LDAP_SLIST_FIRST(&mru_list);
293 LDAP_SLIST_REMOVE_HEAD(&mru_list, smru_next);
295 if ( m->smru_str.bv_val ) {
296 ch_free( m->smru_str.bv_val );
298 /* memory borrowed from m->smru_mr */
300 m->smru_names = NULL;
303 /* free what's left (basically
304 * smru_mruleuse.mru_applies_oids) */
305 ldap_matchingruleuse_free((LDAPMatchingRuleUse *)m);
310 matching_rule_use_init( void )
313 MatchingRuleUse **mru_ptr = &LDAP_SLIST_FIRST(&mru_list);
316 LDAP_LOG( OPERATION, INFO, "matching_rule_use_init\n", 0, 0, 0 );
318 Debug( LDAP_DEBUG_TRACE, "matching_rule_use_init\n", 0, 0, 0 );
321 LDAP_SLIST_FOREACH( mr, &mr_list, smr_next ) {
323 MatchingRuleUse mru_storage, *mru = &mru_storage;
325 char **applies_oids = NULL;
329 /* hide rules marked as HIDE */
330 if ( mr->smr_usage & SLAP_MR_HIDE ) {
334 /* hide rules not marked as designed for extensibility */
335 /* MR_EXT means can be used any attribute type whose
336 * syntax is same as the assertion syntax.
337 * Another mechanism is needed where rule can be used
338 * with attribute of other syntaxes.
339 * Framework doesn't support this (yet).
342 if (!( ( mr->smr_usage & SLAP_MR_EXT )
343 || mr->smr_compat_syntaxes ) )
348 memset( mru, 0, sizeof( MatchingRuleUse ) );
351 * Note: we're using the same values of the corresponding
352 * MatchingRule structure; maybe we'd copy them ...
355 mru->smru_obsolete = mr->smr_obsolete;
356 mru->smru_applies_oids = NULL;
357 LDAP_SLIST_NEXT(mru, smru_next) = NULL;
358 mru->smru_oid = mr->smr_oid;
359 mru->smru_names = mr->smr_names;
360 mru->smru_desc = mr->smr_desc;
363 LDAP_LOG( OPERATION, INFO, " %s (%s): ",
365 mru->smru_names ? mru->smru_names[ 0 ] : "", 0 );
367 Debug( LDAP_DEBUG_TRACE, " %s (%s): ",
369 mru->smru_names ? mru->smru_names[ 0 ] : "", 0 );
373 for ( at_start( &at ); at; at_next( &at ) ) {
374 if( at->sat_flags & SLAP_AT_HIDE ) continue;
376 if( mr_usable_with_at( mr, at )) {
377 ldap_charray_add( &applies_oids, at->sat_cname.bv_val );
382 * Note: the matchingRules that are not used
383 * by any attributeType are not listed as
386 if ( applies_oids != NULL ) {
387 mru->smru_applies_oids = applies_oids;
390 char *str = ldap_matchingruleuse2str( &mru->smru_mruleuse );
391 LDAP_LOG( OPERATION, INFO, "matchingRuleUse: %s\n", str, 0, 0 );
396 char *str = ldap_matchingruleuse2str( &mru->smru_mruleuse );
397 Debug( LDAP_DEBUG_TRACE, "matchingRuleUse: %s\n", str, 0, 0 );
402 mru = (MatchingRuleUse *)ber_memalloc( sizeof( MatchingRuleUse ) );
403 /* call-forward from MatchingRule to MatchingRuleUse */
405 /* copy static data to newly allocated struct */
407 /* append the struct pointer to the end of the list */
409 /* update the list head pointer */
410 mru_ptr = &LDAP_SLIST_NEXT(mru,smru_next);
417 int mr_usable_with_at(
421 if( mr->smr_usage & SLAP_MR_EXT && (
422 mr->smr_syntax == at->sat_syntax ||
423 mr == at->sat_equality || mr == at->sat_approx ) )
428 if ( mr->smr_compat_syntaxes ) {
430 for( i=0; mr->smr_compat_syntaxes[i]; i++ ) {
431 if( at->sat_syntax == mr->smr_compat_syntaxes[i] ) {
439 int mr_schema_info( Entry *e )
443 AttributeDescription *ad_matchingRules = slap_schema.si_ad_matchingRules;
445 LDAP_SLIST_FOREACH(mr, &mr_list, smr_next ) {
446 if ( mr->smr_usage & SLAP_MR_HIDE ) {
447 /* skip hidden rules */
451 if ( ! mr->smr_match ) {
452 /* skip rules without matching functions */
456 if ( mr->smr_str.bv_val == NULL ) {
457 if ( ldap_matchingrule2bv( &mr->smr_mrule, &mr->smr_str ) == NULL ) {
462 Debug( LDAP_DEBUG_TRACE, "Merging mr [%lu] %s\n",
463 mr->smr_str.bv_len, mr->smr_str.bv_val, 0 );
466 if( attr_merge_one( e, ad_matchingRules, &mr->smr_str, NULL /* FIXME */ ) )
468 if( attr_merge_one( e, ad_matchingRules, &mr->smr_str ) )
477 int mru_schema_info( Entry *e )
479 MatchingRuleUse *mru;
481 AttributeDescription *ad_matchingRuleUse
482 = slap_schema.si_ad_matchingRuleUse;
484 LDAP_SLIST_FOREACH( mru, &mru_list, smru_next ) {
486 assert( !( mru->smru_usage & SLAP_MR_HIDE ) );
488 if ( mru->smru_str.bv_val == NULL ) {
489 if ( ldap_matchingruleuse2bv( &mru->smru_mruleuse, &mru->smru_str )
496 Debug( LDAP_DEBUG_TRACE, "Merging mru [%lu] %s\n",
497 mru->smru_str.bv_len, mru->smru_str.bv_val, 0 );
500 if( attr_merge_one( e, ad_matchingRuleUse, &mru->smru_str, NULL /* FIXME */ ) )
502 if( attr_merge_one( e, ad_matchingRuleUse, &mru->smru_str ) )