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_STAILQ_HEAD(SyntaxList, Syntax) syn_list
34 = LDAP_STAILQ_HEAD_INITIALIZER(syn_list);
36 /* Last hardcoded attribute registered */
45 const struct sindexrec *sir1 = v_sir1, *sir2 = v_sir2;
46 return (strcmp( sir1->sir_name, sir2->sir_name ));
55 return (strcmp( name, ((const struct sindexrec *)sir)->sir_name ));
59 syn_find( const char *synname )
61 struct sindexrec *sir = NULL;
63 if ( (sir = avl_find( syn_index, synname, syn_index_name_cmp )) != NULL ) {
64 return( sir->sir_syn );
70 syn_find_desc( const char *syndesc, int *len )
74 LDAP_STAILQ_FOREACH(synp, &syn_list, ssyn_next) {
75 if ((*len = dscompare( synp->ssyn_syn.syn_desc, syndesc, '{' /*'}'*/ ))) {
83 syn_is_sup( Syntax *syn, Syntax *sup )
87 assert( syn != NULL );
88 assert( sup != NULL );
94 if ( syn->ssyn_sups == NULL ) {
98 for ( i = 0; syn->ssyn_sups[i]; i++ ) {
99 if ( syn->ssyn_sups[i] == sup ) {
103 if ( syn_is_sup( syn->ssyn_sups[i], sup ) ) {
116 avl_free( syn_index, ldap_memfree );
117 while( !LDAP_STAILQ_EMPTY( &syn_list ) ) {
118 s = LDAP_STAILQ_FIRST( &syn_list );
119 LDAP_STAILQ_REMOVE_HEAD( &syn_list, ssyn_next );
120 if ( s->ssyn_sups ) {
121 SLAP_FREE( s->ssyn_sups );
123 ldap_syntax_free( (LDAPSyntax *)s );
133 struct sindexrec *sir;
135 LDAP_STAILQ_NEXT( ssyn, ssyn_next ) = NULL;
137 if ( ssyn->ssyn_oid ) {
138 sir = (struct sindexrec *)
139 SLAP_CALLOC( 1, sizeof(struct sindexrec) );
141 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
144 sir->sir_name = ssyn->ssyn_oid;
146 if ( avl_insert( &syn_index, (caddr_t) sir,
147 syn_index_cmp, avl_dup_error ) ) {
148 *err = ssyn->ssyn_oid;
150 return SLAP_SCHERR_SYN_DUP;
152 /* FIX: temporal consistency check */
153 syn_find(sir->sir_name);
156 if ( ssyn->ssyn_flags & SLAP_AT_HARDCODE ) {
162 LDAP_STAILQ_INSERT_AFTER( &syn_list, prev, ssyn, ssyn_next );
164 LDAP_STAILQ_INSERT_TAIL( &syn_list, ssyn, ssyn_next );
173 slap_syntax_defs_rec *def,
181 if ( ssynp != NULL ) {
185 ssyn = (Syntax *) SLAP_CALLOC( 1, sizeof(Syntax) );
186 if ( ssyn == NULL ) {
187 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
188 return SLAP_SCHERR_OUTOFMEM;
191 AC_MEMCPY( &ssyn->ssyn_syn, syn, sizeof(LDAPSyntax) );
193 LDAP_STAILQ_NEXT(ssyn,ssyn_next) = NULL;
196 * note: ssyn_bvoid uses the same memory of ssyn_syn.syn_oid;
197 * ssyn_oidlen is #defined as ssyn_bvoid.bv_len
199 ssyn->ssyn_bvoid.bv_val = ssyn->ssyn_syn.syn_oid;
200 ssyn->ssyn_oidlen = strlen(syn->syn_oid);
201 ssyn->ssyn_flags = def->sd_flags;
202 ssyn->ssyn_validate = def->sd_validate;
203 ssyn->ssyn_pretty = def->sd_pretty;
205 ssyn->ssyn_sups = NULL;
207 #ifdef SLAPD_BINARY_CONVERSION
208 ssyn->ssyn_ber2str = def->sd_ber2str;
209 ssyn->ssyn_str2ber = def->sd_str2ber;
212 if ( def->sd_sups != NULL ) {
215 for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ )
218 ssyn->ssyn_sups = (Syntax **)SLAP_CALLOC( cnt + 1,
219 sizeof( Syntax * ) );
220 if ( ssyn->ssyn_sups == NULL ) {
221 Debug( LDAP_DEBUG_ANY, "SLAP_CALLOC Error\n", 0, 0, 0 );
222 code = SLAP_SCHERR_OUTOFMEM;
225 for ( cnt = 0; def->sd_sups[cnt] != NULL; cnt++ ) {
226 ssyn->ssyn_sups[cnt] = syn_find( def->sd_sups[cnt] );
227 if ( ssyn->ssyn_sups[cnt] == NULL ) {
228 *err = def->sd_sups[cnt];
229 code = SLAP_SCHERR_SYN_SUP_NOT_FOUND;
236 ssyn->ssyn_flags |= SLAP_SYNTAX_HARDCODE;
239 code = syn_insert( ssyn, prev, err );
242 if ( code != 0 && ssyn != NULL ) {
243 if ( ssyn->ssyn_sups != NULL ) {
244 SLAP_FREE( ssyn->ssyn_sups );
259 slap_syntax_defs_rec *def )
265 syn = ldap_str2syntax( def->sd_desc, &code, &err, LDAP_SCHEMA_ALLOW_ALL);
267 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s before %s in %s\n",
268 ldap_scherr2str(code), err, def->sd_desc );
273 code = syn_add( syn, 0, def, NULL, NULL, &err );
276 Debug( LDAP_DEBUG_ANY, "Error in register_syntax: %s %s in %s\n",
277 scherr2str(code), err, def->sd_desc );
278 ldap_syntax_free( syn );
289 syn_schema_info( Entry *e )
291 AttributeDescription *ad_ldapSyntaxes = slap_schema.si_ad_ldapSyntaxes;
296 LDAP_STAILQ_FOREACH(syn, &syn_list, ssyn_next ) {
297 if ( ! syn->ssyn_validate ) {
298 /* skip syntaxes without validators */
301 if ( syn->ssyn_flags & SLAP_SYNTAX_HIDE ) {
306 if ( ldap_syntax2bv( &syn->ssyn_syn, &val ) == NULL ) {
310 Debug( LDAP_DEBUG_TRACE, "Merging syn [%ld] %s\n",
311 (long) val.bv_len, val.bv_val, 0 );
314 nval.bv_val = syn->ssyn_oid;
315 nval.bv_len = strlen(syn->ssyn_oid);
317 if( attr_merge_one( e, ad_ldapSyntaxes, &val, &nval ) )
321 ldap_memfree( val.bv_val );
327 syn_delete( Syntax *syn )
329 LDAP_STAILQ_REMOVE(&syn_list, syn, Syntax, ssyn_next);
333 syn_start( Syntax **syn )
335 assert( syn != NULL );
337 *syn = LDAP_STAILQ_FIRST(&syn_list);
339 return (*syn != NULL);
343 syn_next( Syntax **syn )
345 assert( syn != NULL );
347 #if 0 /* pedantic check: don't use this */
351 LDAP_STAILQ_FOREACH(tmp,&syn_list,ssyn_next) {
357 assert( tmp != NULL );
361 *syn = LDAP_STAILQ_NEXT(*syn,ssyn_next);
363 return (*syn != NULL);
367 syn_unparse( BerVarray *res, Syntax *start, Syntax *end, int sys )
371 struct berval bv, *bva = NULL, idx;
375 start = LDAP_STAILQ_FIRST( &syn_list );
377 /* count the result size */
379 for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
380 if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
382 if ( syn == end ) break;
387 bva = ch_malloc( (num+1) * sizeof(struct berval) );
395 for ( syn = start; syn; syn = LDAP_STAILQ_NEXT( syn, ssyn_next ) ) {
396 if ( sys && !( syn->ssyn_flags & SLAP_SYNTAX_HARDCODE ) ) break;
397 if ( ldap_syntax2bv( &syn->ssyn_syn, &bv ) == NULL ) {
398 ber_bvarray_free( bva );
401 idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
403 bva[i].bv_len = idx.bv_len + bv.bv_len;
404 bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
405 strcpy( bva[i].bv_val, ibuf );
406 strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
408 bva[i].bv_val = NULL;
409 ldap_memfree( bv.bv_val );
410 if ( syn == end ) break;