]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/oc.c
ITS#5376,ITS#5378
[openldap] / servers / slapd / oc.c
index b31defeaef19610d784a8d705591721c062bae33..7e2a66872dcc50de19adf8d76c0fcc2432305d06 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -23,7 +23,6 @@
 #include <ac/socket.h>
 
 #include "slap.h"
-#include "ldap_pvt.h"
 
 int is_object_subclass(
        ObjectClass *sup,
@@ -58,7 +57,7 @@ int is_object_subclass(
 int is_entry_objectclass(
        Entry*  e,
        ObjectClass *oc,
-       int set_flags )
+       unsigned flags )
 {
        /*
         * set_flags should only be true if oc is one of operational
@@ -68,15 +67,16 @@ int is_entry_objectclass(
 
        Attribute *attr;
        struct berval *bv;
-       AttributeDescription *objectClass = slap_schema.si_ad_objectClass;
 
-       assert(!( e == NULL || oc == NULL ));
+       assert( !( e == NULL || oc == NULL ) );
+       assert( ( flags & SLAP_OCF_MASK ) != SLAP_OCF_MASK );
 
        if( e == NULL || oc == NULL ) {
                return 0;
        }
 
-       if( set_flags && ( e->e_ocflags & SLAP_OC__END )) {
+       if( flags == SLAP_OCF_SET_FLAGS && ( e->e_ocflags & SLAP_OC__END ) )
+       {
                /* flags are set, use them */
                return (e->e_ocflags & oc->soc_flags & SLAP_OC__MASK) != 0;
        }
@@ -84,7 +84,7 @@ int is_entry_objectclass(
        /*
         * find objectClass attribute
         */
-       attr = attr_find(e->e_attrs, objectClass);
+       attr = attr_find( e->e_attrs, slap_schema.si_ad_objectClass );
        if( attr == NULL ) {
                /* no objectClass attribute */
                Debug( LDAP_DEBUG_ANY, "is_entry_objectclass(\"%s\", \"%s\") "
@@ -98,19 +98,30 @@ int is_entry_objectclass(
        for( bv=attr->a_vals; bv->bv_val; bv++ ) {
                ObjectClass *objectClass = oc_bvfind( bv );
 
-               if ( !set_flags && objectClass == oc ) {
-                       return 1;
+               if ( objectClass == NULL ) {
+                       /* FIXME: is this acceptable? */
+                       continue;
                }
-               
-               if ( objectClass != NULL ) {
-                       e->e_ocflags |= objectClass->soc_flags;
+
+               if ( !( flags & SLAP_OCF_SET_FLAGS ) ) {
+                       if ( objectClass == oc ) {
+                               return 1;
+                       }
+
+                       if ( ( flags & SLAP_OCF_CHECK_SUP )
+                               && is_object_subclass( oc, objectClass ) )
+                       {
+                               return 1;
+                       }
                }
+               
+               e->e_ocflags |= objectClass->soc_flags;
        }
 
        /* mark flags as set */
        e->e_ocflags |= SLAP_OC__END;
 
-       return (e->e_ocflags & oc->soc_flags & SLAP_OC__MASK) != 0;
+       return ( e->e_ocflags & oc->soc_flags & SLAP_OC__MASK ) != 0;
 }
 
 
@@ -120,8 +131,9 @@ struct oindexrec {
 };
 
 static Avlnode *oc_index = NULL;
-static LDAP_SLIST_HEAD(OCList, slap_object_class) oc_list
-       = LDAP_SLIST_HEAD_INITIALIZER(&oc_list);
+static Avlnode *oc_cache = NULL;
+static LDAP_STAILQ_HEAD(OCList, slap_object_class) oc_list
+       = LDAP_STAILQ_HEAD_INITIALIZER(oc_list);
 
 static int
 oc_index_cmp(
@@ -162,21 +174,72 @@ oc_bvfind( struct berval *ocname )
 {
        struct oindexrec        *oir;
 
+       if ( oc_cache ) {
+               oir = avl_find( oc_cache, ocname, oc_index_name_cmp );
+               if ( oir ) return oir->oir_oc;
+       }
        oir = avl_find( oc_index, ocname, oc_index_name_cmp );
 
        if ( oir != NULL ) {
+               if ( at_oc_cache ) {
+                       avl_insert( &oc_cache, (caddr_t) oir,
+                               oc_index_cmp, avl_dup_error );
+               }
                return( oir->oir_oc );
        }
 
        return( NULL );
 }
 
+static LDAP_STAILQ_HEAD(OCUList, slap_object_class) oc_undef_list
+       = LDAP_STAILQ_HEAD_INITIALIZER(oc_undef_list);
+
+ObjectClass *
+oc_bvfind_undef( struct berval *ocname )
+{
+       ObjectClass     *oc = oc_bvfind( ocname );
+
+       if ( oc ) {
+               return oc;
+       }
+
+       LDAP_STAILQ_FOREACH( oc, &oc_undef_list, soc_next ) {
+               int     d = oc->soc_cname.bv_len - ocname->bv_len;
+
+               if ( d ) {
+                       continue;
+               }
+
+               if ( strcasecmp( oc->soc_cname.bv_val, ocname->bv_val ) == 0 ) {
+                       break;
+               }
+       }
+       
+       if ( oc ) {
+               return oc;
+       }
+       
+       oc = ch_malloc( sizeof( ObjectClass ) + ocname->bv_len + 1 );
+       memset( oc, 0, sizeof( ObjectClass ) );
+
+       oc->soc_cname.bv_len = ocname->bv_len;
+       oc->soc_cname.bv_val = (char *)&oc[ 1 ];
+       AC_MEMCPY( oc->soc_cname.bv_val, ocname->bv_val, ocname->bv_len );
+
+       LDAP_STAILQ_NEXT( oc, soc_next ) = NULL;
+       ldap_pvt_thread_mutex_lock( &oc_undef_mutex );
+       LDAP_STAILQ_INSERT_HEAD( &oc_undef_list, oc, soc_next );
+       ldap_pvt_thread_mutex_unlock( &oc_undef_mutex );
+
+       return oc;
+}
+
 static int
 oc_create_required(
-    ObjectClass                *soc,
-    char               **attrs,
+       ObjectClass             *soc,
+       char                    **attrs,
        int                     *op,
-    const char         **err )
+       const char              **err )
 {
        char            **attrs1;
        AttributeType   *sat;
@@ -204,7 +267,7 @@ oc_create_required(
                }
                /* Now delete duplicates from the allowed list */
                for ( satp = soc->soc_required; *satp; satp++ ) {
-                       i = at_find_in_list(*satp,soc->soc_allowed);
+                       i = at_find_in_list(*satp, soc->soc_allowed);
                        if ( i >= 0 ) {
                                at_delete_from_list(i, &soc->soc_allowed);
                        }
@@ -249,10 +312,10 @@ oc_create_allowed(
 
 static int
 oc_add_sups(
-    ObjectClass                *soc,
-    char                       **sups,
+       ObjectClass             *soc,
+       char                    **sups,
        int                     *op,
-    const char         **err )
+       const char              **err )
 {
        int             code;
        ObjectClass     *soc1;
@@ -329,15 +392,74 @@ oc_destroy( void )
        ObjectClass *o;
 
        avl_free(oc_index, ldap_memfree);
-       while( !LDAP_SLIST_EMPTY(&oc_list) ) {
-               o = LDAP_SLIST_FIRST(&oc_list);
-               LDAP_SLIST_REMOVE_HEAD(&oc_list, soc_next);
+       while( !LDAP_STAILQ_EMPTY(&oc_list) ) {
+               o = LDAP_STAILQ_FIRST(&oc_list);
+               LDAP_STAILQ_REMOVE_HEAD(&oc_list, soc_next);
 
                if (o->soc_sups) ldap_memfree(o->soc_sups);
                if (o->soc_required) ldap_memfree(o->soc_required);
                if (o->soc_allowed) ldap_memfree(o->soc_allowed);
+               if (o->soc_oidmacro) ldap_memfree(o->soc_oidmacro);
                ldap_objectclass_free((LDAPObjectClass *)o);
        }
+       
+       while( !LDAP_STAILQ_EMPTY(&oc_undef_list) ) {
+               o = LDAP_STAILQ_FIRST(&oc_undef_list);
+               LDAP_STAILQ_REMOVE_HEAD(&oc_undef_list, soc_next);
+
+               ch_free( (ObjectClass *)o );
+       }
+}
+
+/*
+ * check whether the two ObjectClasses actually __are__ identical,
+ * or rather inconsistent
+ */
+static int
+oc_check_dup(
+       ObjectClass     *soc,
+       ObjectClass     *new_soc )
+{
+       if ( new_soc->soc_oid != NULL ) {
+               if ( soc->soc_oid == NULL ) {
+                       return SLAP_SCHERR_CLASS_INCONSISTENT;
+               }
+
+               if ( strcmp( soc->soc_oid, new_soc->soc_oid ) != 0 ) {
+                       return SLAP_SCHERR_CLASS_INCONSISTENT;
+               }
+
+       } else {
+               if ( soc->soc_oid != NULL ) {
+                       return SLAP_SCHERR_CLASS_INCONSISTENT;
+               }
+       }
+
+       if ( new_soc->soc_names ) {
+               int     i;
+
+               if ( soc->soc_names == NULL ) {
+                       return SLAP_SCHERR_CLASS_INCONSISTENT;
+               }
+
+               for ( i = 0; new_soc->soc_names[ i ]; i++ ) {
+                       if ( soc->soc_names[ i ] == NULL ) {
+                               return SLAP_SCHERR_CLASS_INCONSISTENT;
+                       }
+                       
+                       if ( strcasecmp( soc->soc_names[ i ],
+                                       new_soc->soc_names[ i ] ) != 0 )
+                       {
+                               return SLAP_SCHERR_CLASS_INCONSISTENT;
+                       }
+               }
+       } else {
+               if ( soc->soc_names != NULL ) {
+                       return SLAP_SCHERR_CLASS_INCONSISTENT;
+               }
+       }
+
+       return SLAP_SCHERR_CLASS_DUP;
 }
 
 static int
@@ -348,9 +470,6 @@ oc_insert(
        struct oindexrec        *oir;
        char                    **names;
 
-       LDAP_SLIST_NEXT( soc, soc_next ) = NULL;
-       LDAP_SLIST_INSERT_HEAD( &oc_list, soc, soc_next );
-
        if ( soc->soc_oid ) {
                oir = (struct oindexrec *)
                        ch_calloc( 1, sizeof(struct oindexrec) );
@@ -358,19 +477,27 @@ oc_insert(
                oir->oir_name.bv_len = strlen( soc->soc_oid );
                oir->oir_oc = soc;
 
-               assert( oir->oir_name.bv_val );
-               assert( oir->oir_oc );
+               assert( oir->oir_name.bv_val != NULL );
+               assert( oir->oir_oc != NULL );
 
                if ( avl_insert( &oc_index, (caddr_t) oir,
                        oc_index_cmp, avl_dup_error ) )
                {
+                       ObjectClass     *old_soc;
+                       int             rc;
+
                        *err = soc->soc_oid;
-                       ldap_memfree(oir);
-                       return SLAP_SCHERR_CLASS_DUP;
+
+                       old_soc = oc_bvfind( &oir->oir_name );
+                       assert( old_soc != NULL );
+                       rc = oc_check_dup( old_soc, soc );
+
+                       ldap_memfree( oir );
+                       return rc;
                }
 
                /* FIX: temporal consistency check */
-               assert( oc_bvfind(&oir->oir_name) != NULL );
+               assert( oc_bvfind( &oir->oir_name ) != NULL );
        }
 
        if ( (names = soc->soc_names) ) {
@@ -381,15 +508,47 @@ oc_insert(
                        oir->oir_name.bv_len = strlen( *names );
                        oir->oir_oc = soc;
 
-                       assert( oir->oir_name.bv_val );
-                       assert( oir->oir_oc );
+                       assert( oir->oir_name.bv_val != NULL );
+                       assert( oir->oir_oc != NULL );
 
                        if ( avl_insert( &oc_index, (caddr_t) oir,
                                oc_index_cmp, avl_dup_error ) )
                        {
+                               ObjectClass     *old_soc;
+                               int             rc;
+
                                *err = *names;
-                               ldap_memfree(oir);
-                               return SLAP_SCHERR_CLASS_DUP;
+
+                               old_soc = oc_bvfind( &oir->oir_name );
+                               assert( old_soc != NULL );
+                               rc = oc_check_dup( old_soc, soc );
+
+                               ldap_memfree( oir );
+
+                               while ( names > soc->soc_names ) {
+                                       struct oindexrec        tmpoir;
+
+                                       names--;
+                                       ber_str2bv( *names, 0, 0, &tmpoir.oir_name );
+                                       tmpoir.oir_oc = soc;
+                                       oir = (struct oindexrec *)avl_delete( &oc_index,
+                                               (caddr_t)&tmpoir, oc_index_cmp );
+                                       assert( oir != NULL );
+                                       ldap_memfree( oir );
+                               }
+
+                               if ( soc->soc_oid ) {
+                                       struct oindexrec        tmpoir;
+
+                                       ber_str2bv( soc->soc_oid, 0, 0, &tmpoir.oir_name );
+                                       tmpoir.oir_oc = soc;
+                                       oir = (struct oindexrec *)avl_delete( &oc_index,
+                                               (caddr_t)&tmpoir, oc_index_cmp );
+                                       assert( oir != NULL );
+                                       ldap_memfree( oir );
+                               }
+
+                               return rc;
                        }
 
                        /* FIX: temporal consistency check */
@@ -398,6 +557,7 @@ oc_insert(
                        names++;
                }
        }
+       LDAP_STAILQ_INSERT_TAIL( &oc_list, soc, soc_next );
 
        return 0;
 }
@@ -406,11 +566,13 @@ int
 oc_add(
     LDAPObjectClass    *oc,
        int user,
+       ObjectClass             **rsoc,
     const char         **err )
 {
        ObjectClass     *soc;
        int             code;
        int             op = 0;
+       char    *oidm = NULL;
 
        if ( oc->oc_names != NULL ) {
                int i;
@@ -430,7 +592,7 @@ oc_add(
                        return SLAP_SCHERR_OIDM;
                }
                if ( oid != oc->oc_oid ) {
-                       ldap_memfree( oc->oc_oid );
+                       oidm = oc->oc_oid;
                        oc->oc_oid = oid;
                }
        }
@@ -438,6 +600,7 @@ oc_add(
        soc = (ObjectClass *) ch_calloc( 1, sizeof(ObjectClass) );
        AC_MEMCPY( &soc->soc_oclass, oc, sizeof(LDAPObjectClass) );
 
+       soc->soc_oidmacro = oidm;
        if( oc->oc_names != NULL ) {
                soc->soc_cname.bv_val = soc->soc_names[0];
        } else {
@@ -455,21 +618,114 @@ oc_add(
                code = oc_add_sups( soc, soc->soc_sup_oids, &op, err );
        }
 
-       if ( code != 0 ) return code;
-       if( user && op ) return SLAP_SCHERR_CLASS_BAD_SUP;
+       if ( code != 0 ) {
+               goto done;
+       }
+
+       if ( user && op ) {
+               code = SLAP_SCHERR_CLASS_BAD_SUP;
+               goto done;
+       }
 
        code = oc_create_required( soc, soc->soc_at_oids_must, &op, err );
-       if ( code != 0 ) return code;
+       if ( code != 0 ) {
+               goto done;
+       }
 
        code = oc_create_allowed( soc, soc->soc_at_oids_may, &op, err );
-       if ( code != 0 ) return code;
+       if ( code != 0 ) {
+               goto done;
+       }
 
-       if( user && op ) return SLAP_SCHERR_CLASS_BAD_USAGE;
+       if ( user && op ) {
+               code = SLAP_SCHERR_CLASS_BAD_USAGE;
+               goto done;
+       }
+
+       if ( !user ) {
+               soc->soc_flags |= SLAP_OC_HARDCODE;
+       }
 
        code = oc_insert(soc,err);
+done:;
+       if ( code != 0 ) {
+               if ( soc->soc_sups ) {
+                       ch_free( soc->soc_sups );
+               }
+
+               if ( soc->soc_required ) {
+                       ch_free( soc->soc_required );
+               }
+
+               if ( soc->soc_allowed ) {
+                       ch_free( soc->soc_allowed );
+               }
+
+               ch_free( soc );
+
+       } else if ( rsoc ) {
+               *rsoc = soc;
+       }
        return code;
 }
 
+void
+oc_unparse( BerVarray *res, ObjectClass *start, ObjectClass *end, int sys )
+{
+       ObjectClass *oc;
+       int i, num;
+       struct berval bv, *bva = NULL, idx;
+       char ibuf[32];
+
+       if ( !start )
+               start = LDAP_STAILQ_FIRST( &oc_list );
+
+       /* count the result size */
+       i = 0;
+       for ( oc=start; oc; oc=LDAP_STAILQ_NEXT(oc, soc_next)) {
+               if ( sys && !(oc->soc_flags & SLAP_OC_HARDCODE)) continue;
+               i++;
+               if ( oc == end ) break;
+       }
+       if (!i) return;
+
+       num = i;
+       bva = ch_malloc( (num+1) * sizeof(struct berval) );
+       BER_BVZERO( bva );
+       idx.bv_val = ibuf;
+       if ( sys ) {
+               idx.bv_len = 0;
+               ibuf[0] = '\0';
+       }
+       i = 0;
+       for ( oc=start; oc; oc=LDAP_STAILQ_NEXT(oc, soc_next)) {
+               LDAPObjectClass loc, *locp;
+               if ( sys && !(oc->soc_flags & SLAP_OC_HARDCODE)) continue;
+               if ( oc->soc_oidmacro ) {
+                       loc = oc->soc_oclass;
+                       loc.oc_oid = oc->soc_oidmacro;
+                       locp = &loc;
+               } else {
+                       locp = &oc->soc_oclass;
+               }
+               if ( ldap_objectclass2bv( locp, &bv ) == NULL ) {
+                       ber_bvarray_free( bva );
+               }
+               if ( !sys ) {
+                       idx.bv_len = sprintf(idx.bv_val, "{%d}", i);
+               }
+               bva[i].bv_len = idx.bv_len + bv.bv_len;
+               bva[i].bv_val = ch_malloc( bva[i].bv_len + 1 );
+               strcpy( bva[i].bv_val, ibuf );
+               strcpy( bva[i].bv_val + idx.bv_len, bv.bv_val );
+               i++;
+               bva[i].bv_val = NULL;
+               ldap_memfree( bv.bv_val );
+               if ( oc == end ) break;
+       }
+       *res = bva;
+}
+
 int
 oc_schema_info( Entry *e )
 {
@@ -478,7 +734,7 @@ oc_schema_info( Entry *e )
        struct berval   val;
        struct berval   nval;
 
-       LDAP_SLIST_FOREACH( oc, &oc_list, soc_next ) {
+       LDAP_STAILQ_FOREACH( oc, &oc_list, soc_next ) {
                if( oc->soc_flags & SLAP_OC_HIDE ) continue;
 
                if ( ldap_objectclass2bv( &oc->soc_oclass, &val ) == NULL ) {