/* schema_check.c - routines to enforce schema definitions */
/* $OpenLDAP$ */
/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "slap.h"
#include "ldap_pvt.h"
-static char * oc_check_required(Entry *e, struct berval *ocname);
+static char * oc_check_required(
+ Entry *e,
+ ObjectClass *oc,
+ struct berval *ocname );
/*
* entry_schema_check - check that entry e conforms to the schema required
int
entry_schema_check(
- Entry *e, Attribute *oldattrs, const char** text,
+ Backend *be,
+ Entry *e,
+ Attribute *oldattrs,
+ const char** text,
char *textbuf, size_t textlen )
{
- Attribute *a, *aoc;
- ObjectClass *oc;
- int i;
- AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
+ Attribute *a, *asc, *aoc;
+ ObjectClass *sc, *oc;
+ int rc, i;
+ struct berval nsc;
+ AttributeDescription *ad_structuralObjectClass
+ = slap_schema.si_ad_structuralObjectClass;
+ AttributeDescription *ad_objectClass
+ = slap_schema.si_ad_objectClass;
int extensible = 0;
+ int subentry = is_entry_subentry( e );
+ int collectiveSubentry = 0;
+
+ if( subentry) collectiveSubentry = is_entry_collectiveAttributeSubentry( e );
+
+ *text = textbuf;
- /* check single-valued attrs for multiple values */
+ /* misc attribute checks */
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
+ const char *type = a->a_desc->ad_cname.bv_val;
+
/* there should be at least one value */
assert( a->a_vals );
- assert( a->a_vals[0] != NULL );
+ assert( a->a_vals[0].bv_val != NULL );
+
+ if( a->a_desc->ad_type->sat_check ) {
+ int rc = (a->a_desc->ad_type->sat_check)(
+ be, e, a, text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+ }
+
+ if( !collectiveSubentry && is_at_collective( a->a_desc->ad_type ) ) {
+ snprintf( textbuf, textlen,
+ "'%s' can only appear in collectiveAttributeSubentry",
+ type );
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
/* if single value type, check for multiple values */
if( is_at_single_value( a->a_desc->ad_type ) &&
- a->a_vals[1] != NULL )
+ a->a_vals[1].bv_val != NULL )
{
- char *type = a->a_desc->ad_cname->bv_val;
-
snprintf( textbuf, textlen,
"attribute '%s' cannot have multiple values",
type );
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_INFO,
- "entry_schema_check: dn=\"%s\" %s\n",
- e->e_dn, textbuf ));
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn=\"%s\" %s\n", e->e_dn, textbuf, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Entry (%s), %s\n",
}
}
+ /* it's a REALLY bad idea to disable schema checks */
if( !global_schemacheck ) return LDAP_SUCCESS;
- *text = textbuf;
+ /* find the structural object class attribute */
+ asc = attr_find( e->e_attrs, ad_structuralObjectClass );
+ if ( asc == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: No structuralObjectClass for entry (%s)\n",
+ e->e_dn, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "No structuralObjectClass for entry (%s)\n",
+ e->e_dn, 0, 0 );
+#endif
+
+ *text = "no structuralObjectClass operational attribute";
+ return LDAP_OTHER;
+ }
+
+ assert( asc->a_vals != NULL );
+ assert( asc->a_vals[0].bv_val != NULL );
+ assert( asc->a_vals[1].bv_val == NULL );
+
+ sc = oc_bvfind( &asc->a_vals[0] );
+ if( sc == NULL ) {
+ snprintf( textbuf, textlen,
+ "unrecognized structuralObjectClass '%s'",
+ asc->a_vals[0].bv_val );
- /* find the object class attribute - could error out here */
- if ( (aoc = attr_find( e->e_attrs, ad_objectClass )) == NULL ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_INFO,
- "entry_schema_check: No objectClass for entry (%s).\n", e->e_dn ));
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn (%s), %s\n", e->e_dn, textbuf, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "entry_check_schema(%s): %s\n",
+ e->e_dn, textbuf, 0 );
+#endif
+
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ if( sc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
+ snprintf( textbuf, textlen,
+ "structuralObjectClass '%s' is not STRUCTURAL",
+ asc->a_vals[0].bv_val );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn (%s), %s\n", e->e_dn, textbuf, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "entry_check_schema(%s): %s\n",
+ e->e_dn, textbuf, 0 );
+#endif
+
+ return LDAP_OTHER;
+ }
+
+ /* find the object class attribute */
+ aoc = attr_find( e->e_attrs, ad_objectClass );
+ if ( aoc == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: No objectClass for entry (%s).\n",
+ e->e_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "No objectClass for entry (%s)\n",
e->e_dn, 0, 0 );
return LDAP_OBJECT_CLASS_VIOLATION;
}
+ assert( aoc->a_vals != NULL );
+ assert( aoc->a_vals[0].bv_val != NULL );
+
+ rc = structural_class( aoc->a_vals, &nsc, &oc, text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ *text = textbuf;
+
+ if ( oc == NULL ) {
+ snprintf( textbuf, textlen,
+ "unrecognized objectClass '%s'",
+ aoc->a_vals[0].bv_val );
+ return LDAP_OBJECT_CLASS_VIOLATION;
+
+ } else if ( sc != oc ) {
+ snprintf( textbuf, textlen,
+ "structural object class modification from '%s' to '%s' not allowed",
+ asc->a_vals[0].bv_val, nsc.bv_val );
+ return LDAP_NO_OBJECT_CLASS_MODS;
+ }
+
/* check that the entry has required attrs for each oc */
- for ( i = 0; aoc->a_vals[i] != NULL; i++ ) {
- if ( (oc = oc_find( aoc->a_vals[i]->bv_val )) == NULL ) {
+ for ( i = 0; aoc->a_vals[i].bv_val != NULL; i++ ) {
+ if ( (oc = oc_bvfind( &aoc->a_vals[i] )) == NULL ) {
snprintf( textbuf, textlen,
"unrecognized objectClass '%s'",
- aoc->a_vals[i]->bv_val );
+ aoc->a_vals[i].bv_val );
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_INFO,
- "entry_schema_check: dn (%s), %s\n",
- e->e_dn, textbuf ));
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn (%s), %s\n", e->e_dn, textbuf, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "entry_check_schema(%s): \"%s\" not recognized\n",
+ "entry_check_schema(%s): %s\n",
e->e_dn, textbuf, 0 );
#endif
return LDAP_OBJECT_CLASS_VIOLATION;
+ }
- } else {
- char *s = oc_check_required( e, aoc->a_vals[i] );
+ if ( oc->soc_check ) {
+ int rc = (oc->soc_check)( be, e, oc,
+ text, textbuf, textlen );
+ if( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+ }
+
+ if ( oc->soc_kind == LDAP_SCHEMA_ABSTRACT ) {
+ /* object class is abstract */
+ if ( oc != slap_schema.si_oc_top &&
+ !is_object_subclass( oc, sc ))
+ {
+ int j;
+ ObjectClass *xc = NULL;
+ for( j=0; aoc->a_vals[j].bv_val; j++ ) {
+ if( i != j ) {
+ xc = oc_bvfind( &aoc->a_vals[i] );
+ if( xc == NULL ) {
+ snprintf( textbuf, textlen,
+ "unrecognized objectClass '%s'",
+ aoc->a_vals[i].bv_val );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn (%s), %s\n",
+ e->e_dn, textbuf, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "entry_check_schema(%s): %s\n",
+ e->e_dn, textbuf, 0 );
+#endif
+
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ /* since we previous check against the
+ * structural object of this entry, the
+ * abstract class must be a (direct or indirect)
+ * superclass of one of the auxiliary classes of
+ * the entry.
+ */
+ if ( xc->soc_kind == LDAP_SCHEMA_AUXILIARY &&
+ is_object_subclass( oc, xc ) )
+ {
+ xc = NULL;
+ break;
+ }
+ }
+ }
+
+ if( xc == NULL ) {
+ snprintf( textbuf, textlen, "instanstantiation of "
+ "abstract objectClass '%s' not allowed",
+ aoc->a_vals[i].bv_val );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn (%s), %s\n",
+ e->e_dn, textbuf, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "entry_check_schema(%s): %s\n",
+ e->e_dn, textbuf, 0 );
+#endif
+
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+ }
+
+ } else if ( oc->soc_kind != LDAP_SCHEMA_STRUCTURAL || oc == sc ) {
+ char *s = oc_check_required( e, oc, &aoc->a_vals[i] );
if (s != NULL) {
snprintf( textbuf, textlen,
"object class '%s' requires attribute '%s'",
- aoc->a_vals[i]->bv_val, s );
+ aoc->a_vals[i].bv_val, s );
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_INFO,
- "entry_schema_check: dn=\"%s\" %s",
- e->e_dn, textbuf ));
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn=\"%s\" %s", e->e_dn, textbuf, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Entry (%s): %s\n",
if( oc == slap_schema.si_oc_extensibleObject ) {
extensible=1;
}
-
}
}
/* check that each attr in the entry is allowed by some oc */
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
- int ret = oc_check_allowed( a->a_desc->ad_type, aoc->a_vals );
+ int ret = oc_check_allowed( a->a_desc->ad_type, aoc->a_vals, sc );
if ( ret != LDAP_SUCCESS ) {
- char *type = a->a_desc->ad_cname->bv_val;
+ char *type = a->a_desc->ad_cname.bv_val;
snprintf( textbuf, textlen,
"attribute '%s' not allowed",
type );
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_INFO,
- "entry_schema_check: dn=\"%s\" %s\n",
- e->e_dn, textbuf ));
+ LDAP_LOG( OPERATION, INFO,
+ "entry_schema_check: dn=\"%s\" %s\n", e->e_dn, textbuf, 0);
#else
Debug( LDAP_DEBUG_ANY,
"Entry (%s), %s\n",
}
static char *
-oc_check_required( Entry *e, struct berval *ocname )
+oc_check_required(
+ Entry *e,
+ ObjectClass *oc,
+ struct berval *ocname )
{
- ObjectClass *oc;
AttributeType *at;
int i;
Attribute *a;
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_ENTRY,
- "oc_check_required: dn (%s), objectClass \"%s\"\n",
- e->e_dn, ocname->bv_val ));
+ LDAP_LOG( OPERATION, ENTRY,
+ "oc_check_required: dn (%s), objectClass \"%s\"\n",
+ e->e_dn, ocname->bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
- "oc_check_required entry (%s), objectClass \"%s\"\n",
- e->e_dn, ocname->bv_val, 0 );
+ "oc_check_required entry (%s), objectClass \"%s\"\n",
+ e->e_dn, ocname->bv_val, 0 );
#endif
- /* find global oc defn. it we don't know about it assume it's ok */
- if ( (oc = oc_find( ocname->bv_val )) == NULL ) {
- return NULL;
- }
-
/* check for empty oc_required */
if(oc->soc_required == NULL) {
return NULL;
}
/* not there => schema violation */
if ( a == NULL ) {
- return at->sat_cname;
+ return at->sat_cname.bv_val;
}
}
int oc_check_allowed(
AttributeType *at,
- struct berval **ocl )
+ BerVarray ocl,
+ ObjectClass *sc )
{
- ObjectClass *oc;
int i, j;
#ifdef NEW_LOGGING
- LDAP_LOG(( "schema", LDAP_LEVEL_ENTRY,
- "oc_check_allowed: type \"%s\"\n", at->sat_cname ));
+ LDAP_LOG( OPERATION, ENTRY,
+ "oc_check_allowed: type \"%s\"\n", at->sat_cname.bv_val, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"oc_check_allowed type \"%s\"\n",
- at->sat_cname, 0, 0 );
+ at->sat_cname.bv_val, 0, 0 );
#endif
/* always allow objectClass attribute */
- if ( strcasecmp( at->sat_cname, "objectClass" ) == 0 ) {
+ if ( strcasecmp( at->sat_cname.bv_val, "objectClass" ) == 0 ) {
return LDAP_SUCCESS;
}
-
/*
* All operational attributions are allowed by schema rules.
*/
return LDAP_SUCCESS;
}
+ /* check to see if its allowed by the structuralObjectClass */
+ if( sc ) {
+ /* does it require the type? */
+ for ( j = 0; sc->soc_required != NULL &&
+ sc->soc_required[j] != NULL; j++ )
+ {
+ if( at == sc->soc_required[j] ) {
+ return LDAP_SUCCESS;
+ }
+ }
+
+ /* does it allow the type? */
+ for ( j = 0; sc->soc_allowed != NULL &&
+ sc->soc_allowed[j] != NULL; j++ )
+ {
+ if( at == sc->soc_allowed[j] ) {
+ return LDAP_SUCCESS;
+ }
+ }
+ }
+
/* check that the type appears as req or opt in at least one oc */
- for ( i = 0; ocl[i] != NULL; i++ ) {
+ for ( i = 0; ocl[i].bv_val != NULL; i++ ) {
/* if we know about the oc */
- if ( (oc = oc_find( ocl[i]->bv_val )) != NULL ) {
+ ObjectClass *oc = oc_bvfind( &ocl[i] );
+ if ( oc != NULL && oc->soc_kind != LDAP_SCHEMA_ABSTRACT &&
+ ( sc == NULL || oc->soc_kind == LDAP_SCHEMA_AUXILIARY ))
+ {
/* does it require the type? */
for ( j = 0; oc->soc_required != NULL &&
oc->soc_required[j] != NULL; j++ )
return LDAP_SUCCESS;
}
}
- /* maybe the next oc allows it */
}
}
/* not allowed by any oc */
return LDAP_OBJECT_CLASS_VIOLATION;
}
+
+/*
+ * Determine the structural object class from a set of OIDs
+ */
+int structural_class(
+ BerVarray ocs,
+ struct berval *scbv,
+ ObjectClass **scp,
+ const char **text,
+ char *textbuf, size_t textlen )
+{
+ int i;
+ ObjectClass *oc;
+ ObjectClass *sc = NULL;
+ int scn = -1;
+
+ *text = "structural_class: internal error";
+ scbv->bv_len = 0;
+
+ for( i=0; ocs[i].bv_val; i++ ) {
+ oc = oc_bvfind( &ocs[i] );
+
+ if( oc == NULL ) {
+ snprintf( textbuf, textlen,
+ "unrecognized objectClass '%s'",
+ ocs[i].bv_val );
+ *text = textbuf;
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ if( oc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
+ if( sc == NULL || is_object_subclass( sc, oc ) ) {
+ sc = oc;
+ scn = i;
+
+ } else if ( !is_object_subclass( oc, sc ) ) {
+ int j;
+ ObjectClass *xc = NULL;
+
+ /* find common superior */
+ for( j=i+1; ocs[j].bv_val; j++ ) {
+ xc = oc_bvfind( &ocs[j] );
+
+ if( xc == NULL ) {
+ snprintf( textbuf, textlen,
+ "unrecognized objectClass '%s'",
+ ocs[i].bv_val );
+ *text = textbuf;
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ if( xc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
+ xc = NULL;
+ continue;
+ }
+
+ if( is_object_subclass( sc, xc ) &&
+ is_object_subclass( oc, xc ) )
+ {
+ /* found common subclass */
+ break;
+ }
+
+ xc = NULL;
+ }
+
+ if( xc == NULL ) {
+ /* no common subclass */
+ snprintf( textbuf, textlen,
+ "invalid structural object class chain (%s/%s)",
+ ocs[scn].bv_val, ocs[i].bv_val );
+ *text = textbuf;
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+ }
+ }
+ }
+
+ if( scp ) {
+ *scp = sc;
+ }
+
+ if( sc == NULL ) {
+ *text = "no structural object classes provided";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ if( scn < 0 ) {
+ *text = "invalid structural object class";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ *scbv = ocs[scn];
+
+ if( scbv->bv_len == 0 ) {
+ *text = "invalid structural object class";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+/*
+ * Return structural object class from list of modifications
+ */
+int mods_structural_class(
+ Modifications *mods,
+ struct berval *sc,
+ const char **text,
+ char *textbuf, size_t textlen )
+{
+ Modifications *ocmod = NULL;
+
+ for( ; mods != NULL; mods = mods->sml_next ) {
+ if( mods->sml_desc == slap_schema.si_ad_objectClass ) {
+ if( ocmod != NULL ) {
+ *text = "entry has multiple objectClass attributes";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+ ocmod = mods;
+ }
+ }
+
+ if( ocmod == NULL ) {
+ *text = "entry has no objectClass attribute";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ if( ocmod->sml_bvalues == NULL || ocmod->sml_bvalues[0].bv_val == NULL ) {
+ *text = "objectClass attribute has no values";
+ return LDAP_OBJECT_CLASS_VIOLATION;
+ }
+
+ return structural_class( ocmod->sml_bvalues, sc, NULL,
+ text, textbuf, textlen );
+}
projects / openldap / blobdiff