1 /* syntax.c - routines to manage syntax definitions */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2008 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
22 #include <ac/string.h>
23 #include <ac/socket.h>
32 static Avlnode *syn_index = NULL;
33 static LDAP_SLIST_HEAD(SyntaxList, Syntax) syn_list
34 = LDAP_SLIST_HEAD_INITIALIZER(&syn_list);
42 const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
43 return (strcmp( sir1->sir_name, sir2->sir_name ));
52 return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
56 syn_find( const char *synname )
58 struct sindexrec *sir = NULL;
60 if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
61 return( sir->sir_syn );
67 syn_find_desc( const char *syndesc, int *len )
71 LDAP_SLIST_FOREACH(synp, &syn_list, ssyn_next) {
72 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
80 syn_is_sup( Syntax *syn, Syntax *sup )
84 assert( syn != NULL );
85 assert( sup != NULL );
91 if ( syn->ssyn_sups == NULL ) {
95 for ( i = 0; syn->ssyn_sups[i]; i++ ) {
96 if ( syn->ssyn_sups[i] == sup ) {
100 if ( syn_is_sup( syn->ssyn_sups[i], sup ) ) {
113 avl_free( syn_index, ldap_memfree );
114 while( !LDAP_SLIST_EMPTY( &syn_list ) ) {
115 s = LDAP_SLIST_FIRST( &syn_list );
116 LDAP_SLIST_REMOVE_HEAD( &syn_list, ssyn_next );
117 if ( s->ssyn_sups ) {
118 SLAP_FREE( s->ssyn_sups );
120 ldap_syntax_free( (LDAPSyntax *)s );
130 struct sindexrec *sir;
132 LDAP_SLIST_NEXT( ssyn, ssyn_next ) = NULL;
133 LDAP_SLIST_INSERT_HEAD( &syn_list, ssyn, ssyn_next );
135 if ( ssyn->ssyn_oid ) {
136 sir = (struct sindexrec *)
137 SLAP_CALLOC( 1, sizeof(struct sindexrec) );
139 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
142 sir->sir_name = ssyn->ssyn_oid;
144 if ( avl_insert( &syn_index, (caddr_t) sir,
145 syn_index_cmp, avl_dup_error ) ) {
146 *err = ssyn->ssyn_oid;
148 return SLAP_SCHERR_SYN_DUP;
150 /* FIX: temporal consistency check */
151 syn_find(sir->sir_name);
159 slap_syntax_defs_rec *def,
166 ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
167 if ( ssyn == NULL ) {
168 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
169 return SLAP_SCHERR_OUTOFMEM;
172 AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
174 LDAP_SLIST_NEXT(ssyn,ssyn_next) = NULL;
177 * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
178 * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
180 ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
181 ssyn->ssyn_oidlen = strlen(syn->syn_oid);
182 ssyn->ssyn_flags = def->sd_flags;
183 ssyn->ssyn_validate = def->sd_validate;
184 ssyn->ssyn_pretty = def->sd_pretty;
186 ssyn->ssyn_sups = NULL;
188 #ifdef SLAPD_BINARY_CONVERSION
189 ssyn->ssyn_ber2str = def->sd_ber2str;
190 ssyn->ssyn_str2ber = def->sd_str2ber;
193 if ( def->sd_validate == NULL && def->sd_pretty == NULL && syn->syn_extensions != NULL ) {
194 LDAPSchemaExtensionItem **lsei;
195 Syntax *subst = NULL;
197 for ( lsei = syn->syn_extensions; *lsei != NULL; lsei++) {
198 if ( strcmp( (*lsei)->lsei_name, "X-SUBST" ) != 0 ) {
202 assert( (*lsei)->lsei_values != NULL );
203 if ( (*lsei)->lsei_values[0] == '\0'
204 || (*lsei)->lsei_values[1] != '\0' )
206 Debug( LDAP_DEBUG_ANY, "syn_add(%s): exactly one substitute syntax must be present\n",
207 ssyn->ssyn_syn.syn_oid, 0, 0 );
208 return SLAP_SCHERR_SYN_SUBST_NOT_SPECIFIED;
211 subst = syn_find( (*lsei)->lsei_values[0] );
212 if ( subst == NULL ) {
213 Debug( LDAP_DEBUG_ANY, "syn_add(%s): substitute syntax %s not found\n",
214 ssyn->ssyn_syn.syn_oid, (*lsei)->lsei_values[0], 0 );
215 return SLAP_SCHERR_SYN_SUBST_NOT_FOUND;
220 if ( subst != NULL ) {
221 ssyn->ssyn_flags = subst->ssyn_flags;
222 ssyn->ssyn_validate = subst->ssyn_validate;
223 ssyn->ssyn_pretty = subst->ssyn_pretty;
225 ssyn->ssyn_sups = NULL;
227 #ifdef SLAPD_BINARY_CONVERSION
228 ssyn->ssyn_ber2str = subst->ssyn_ber2str;
229 ssyn->ssyn_str2ber = subst->ssyn_str2ber;
234 if ( def->sd_sups != NULL ) {
237 for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ )
240 ssyn->ssyn_sups = (Syntax **)SLAP_CALLOC( cnt + 1,
241 sizeof( Syntax * ) );
242 if ( ssyn->ssyn_sups == NULL ) {
243 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
244 code = SLAP_SCHERR_OUTOFMEM;
247 for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ ) {
248 ssyn->ssyn_sups[cnt] = syn_find( def->sd_sups[cnt] );
249 if ( ssyn->ssyn_sups[cnt] == NULL ) {
250 *err = def->sd_sups[cnt];
251 code = SLAP_SCHERR_SYN_SUP_NOT_FOUND;
258 code = syn_insert( ssyn, err );
262 if ( code != 0 && ssyn != NULL ) {
263 if ( ssyn->ssyn_sups != NULL ) {
264 SLAP_FREE( ssyn->ssyn_sups );
274 slap_syntax_defs_rec *def )
280 syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
282 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
283 ldap_scherr2str(code), err, def->sd_desc );
288 code = syn_add( syn, def, &err );
291 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
292 scherr2str(code), err, def->sd_desc );
293 ldap_syntax_free( syn );
304 syn_schema_info( Entry *e )
306 AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
311 LDAP_SLIST_FOREACH(syn, &syn_list, ssyn_next ) {
312 if ( ! syn->ssyn_validate ) {
313 /* skip syntaxes without validators */
316 if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
321 if ( ldap_syntax2bv( &syn->ssyn_syn, &val ) == NULL ) {
325 Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
326 (long) val.bv_len, val.bv_val, 0 );
329 nval.bv_val = syn->ssyn_oid;
330 nval.bv_len = strlen(syn->ssyn_oid);
332 if( attr_merge_one( e, ad_ldapSyntaxes, &val, &nval ) )
336 ldap_memfree( val.bv_val );