]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-ldbm/delete.c
ITS#2440 unmunge init_module names
[openldap] / servers / slapd / back-ldbm / delete.c
index d0be72d6c62fcd9578bcae1c6f607f82220dd43c..1e9a3989c0d07c054f360151f144c8e0d96d5159 100644 (file)
@@ -1,4 +1,9 @@
 /* delete.c - ldbm backend delete routine */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 
 #include "portable.h"
 
 
 int
 ldbm_back_delete(
-    Backend    *be,
-    Connection *conn,
     Operation  *op,
-    char       *dn
-)
+    SlapReply  *rs )
 {
-       struct ldbminfo *li = (struct ldbminfo *) be->be_private;
-       char    *matched = NULL;
-       char    *pdn = NULL;
+       struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private;
+       Entry   *matched;
+       struct berval   pdn;
        Entry   *e, *p = NULL;
-       int rootlock = 0;
        int     rc = -1;
+       int             manageDSAit = get_manageDSAit( op );
+       AttributeDescription *children = slap_schema.si_ad_children;
+       AttributeDescription *entry = slap_schema.si_ad_entry;
 
-       Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", dn, 0, 0);
+#ifdef NEW_LOGGING
+       LDAP_LOG( BACK_LDBM, ENTRY, "ldbm_back_delete: %s\n", op->o_req_dn.bv_val, 0, 0 );
+#else
+       Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", op->o_req_dn.bv_val, 0, 0);
+#endif
+
+       /* grab giant lock for writing */
+       ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
 
        /* get entry with writer lock */
-       if ( (e = dn2entry_w( be, dn, &matched )) == NULL ) {
+       if ( (e = dn2entry_w( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, INFO, 
+                       "ldbm_back_delete: no such object %s\n", op->o_req_dn.bv_val, 0, 0 );
+#else
                Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
+                       op->o_req_dn.bv_val, 0, 0);
+#endif
+
                if ( matched != NULL ) {
-                       free( matched );
+                       rs->sr_matched = ch_strdup( matched->e_dn );
+                       rs->sr_ref = is_entry_referral( matched )
+                               ? get_entry_referrals( op, matched )
+                               : NULL;
+                       cache_return_entry_r( &li->li_cache, matched );
+
+               } else {
+                       rs->sr_ref = referral_rewrite( default_referral,
+                               NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
                }
+
+               ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
+               rs->sr_err = LDAP_REFERRAL;
+               send_ldap_result( op, rs );
+
+               if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+               free( (char *)rs->sr_matched );
+
                return( -1 );
        }
 
-       /* check for deleted */
+       /* check entry for "entry" acl */
+#ifdef LDAP_CACHING
+       if( !op->o_caching_on ) {
+#endif /* LDAP_CACHING */
+       if ( ! access_allowed( op, e,
+               entry, NULL, ACL_WRITE, NULL ) )
+       {
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_back_delete: no write access to entry of (%s)\n", 
+                       op->o_req_dn.bv_val, 0, 0 );
+#else
+               Debug( LDAP_DEBUG_TRACE,
+                       "<=- ldbm_back_delete: no write access to entry\n", 0,
+                       0, 0 );
+#endif
+
+               send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+                       "no write access to entry" );
 
-       if ( has_children( be, e ) ) {
-               Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF, "",
-                   "" );
+               rc = 1;
                goto return_results;
        }
 
-#ifdef SLAPD_CHILD_MODIFICATION_WITH_ENTRY_ACL
-       if ( ! access_allowed( be, conn, op, e,
-               "entry", NULL, ACL_WRITE ) )
-       {
-               Debug(LDAP_DEBUG_ARGS,
-                       "<=- ldbm_back_delete: insufficient access %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
+       if ( !manageDSAit && is_entry_referral( e ) ) {
+               /* parent is a referral, don't allow add */
+               /* parent is an alias, don't allow add */
+               rs->sr_ref = get_entry_referrals( op, e );
+
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, INFO, 
+                       "ldbm_back_delete: entry (%s) is a referral.\n", e->e_dn, 0, 0 );
+#else
+               Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
+                   0, 0 );
+#endif
+
+               rs->sr_err = LDAP_REFERRAL;
+               rs->sr_matched = e->e_name.bv_val;
+               send_ldap_result( op, rs );
+
+               if ( rs->sr_ref ) ber_bvarray_free( rs->sr_ref );
+
+               rc = 1;
                goto return_results;
        }
+
+       if ( has_children( op->o_bd, e ) ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, ERR, 
+                          "ldbm_back_delete: (%s) is a non-leaf node.\n", op->o_req_dn.bv_val, 0,0);
+#else
+               Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
+                       op->o_req_dn.bv_val, 0, 0);
 #endif
 
+               send_ldap_error( op, rs, LDAP_NOT_ALLOWED_ON_NONLEAF,
+                       "subtree delete not supported" );
+               goto return_results;
+       }
+
        /* delete from parent's id2children entry */
-       if( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
-               if( (p = dn2entry_w( be, pdn, &matched )) == NULL) {
+       if( !be_issuffix( op->o_bd, &e->e_nname ) && (dnParent( &e->e_nname, &pdn ),
+               pdn.bv_len) ) {
+               if( (p = dn2entry_w( op->o_bd, &pdn, NULL )) == NULL) {
+#ifdef NEW_LOGGING
+                       LDAP_LOG( BACK_LDBM, ERR, 
+                               "ldbm_back_delete: parent of (%s) does not exist\n", op->o_req_dn, 0, 0 );
+#else
                        Debug( LDAP_DEBUG_TRACE,
                                "<=- ldbm_back_delete: parent does not exist\n",
                                0, 0, 0);
-                       send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
-                               "", "");
+#endif
+
+                       send_ldap_error( op, rs, LDAP_OTHER,
+                               "could not locate parent of entry" );
                        goto return_results;
                }
 
                /* check parent for "children" acl */
-               if ( ! access_allowed( be, conn, op, p,
-                       "children", NULL, ACL_WRITE ) )
+               if ( ! access_allowed( op, p,
+                       children, NULL, ACL_WRITE, NULL ) )
                {
+#ifdef NEW_LOGGING
+                       LDAP_LOG( BACK_LDBM, ERR, 
+                               "ldbm_back_delete: no access to parent of (%s)\n", 
+                               op->o_req_dn.bv_val, 0, 0 );
+#else
                        Debug( LDAP_DEBUG_TRACE,
                                "<=- ldbm_back_delete: no access to parent\n", 0,
                                0, 0 );
-                       send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
-                               "", "" );
+#endif
+
+                       send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+                               "no write access to parent" );
                        goto return_results;
                }
 
        } else {
                /* no parent, must be root to delete */
-               if( ! be_isroot( be, op->o_ndn ) ) {
-                       Debug( LDAP_DEBUG_TRACE,
-                               "<=- ldbm_back_delete: no parent & not root\n",
-                               0, 0, 0);
-                       send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
-                               "", "");
-                       goto return_results;
-               }
+               if( ! be_isroot( op->o_bd, &op->o_ndn ) ) {
+                       if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv ) || be_isupdate( op->o_bd, &op->o_ndn ) ) {
+                               p = (Entry *)&slap_entry_root;
+                               
+                               rc = access_allowed( op, p,
+                                       children, NULL, ACL_WRITE, NULL );
+                               p = NULL;
+                                                               
+                               /* check parent for "children" acl */
+                               if ( ! rc ) {
+#ifdef NEW_LOGGING
+                                       LDAP_LOG( BACK_LDBM, ERR,
+                                               "ldbm_back_delete: no access "
+                                               "to parent of ("")\n", 0, 0, 0 );
+#else
+                                       Debug( LDAP_DEBUG_TRACE,
+                                               "<=- ldbm_back_delete: no "
+                                               "access to parent\n", 0, 0, 0 );
+#endif
 
-               ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
-               rootlock = 1;
-       }
+                                       send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
+                                               "no write access to parent" );
+                                       goto return_results;
+                               }
 
-       if ( id2children_remove( be, p, e ) != 0 ) {
-               Debug(LDAP_DEBUG_ARGS,
-                       "<=- ldbm_back_delete: operations error %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "","" );
-               goto return_results;
+                       } else {
+#ifdef NEW_LOGGING
+                               LDAP_LOG( BACK_LDBM, ERR, 
+                                       "ldbm_back_delete: (%s) has no "
+                                       "parent & not a root.\n", op->o_ndn, 0, 0 );
+#else
+                               Debug( LDAP_DEBUG_TRACE,
+                                       "<=- ldbm_back_delete: no parent & "
+                                       "not root\n", 0, 0, 0);
+#endif
+
+                               send_ldap_error( op, rs,
+                                       LDAP_INSUFFICIENT_ACCESS,
+                                       NULL );
+                               goto return_results;
+                       }
+               }
        }
+#ifdef LDAP_CACHING
+       }
+#endif /* LDAP_CACHING */
 
        /* delete from dn2id mapping */
-       if ( dn2id_delete( be, e->e_ndn ) != 0 ) {
+       if ( dn2id_delete( op->o_bd, &e->e_nname, e->e_id ) != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_back_delete: (%s) operations error\n", op->o_req_dn.bv_val, 0, 0 );
+#else
                Debug(LDAP_DEBUG_ARGS,
                        "<=- ldbm_back_delete: operations error %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+                       op->o_req_dn.bv_val, 0, 0);
+#endif
+
+               send_ldap_error( op, rs, LDAP_OTHER,
+                       "DN index delete failed" );
                goto return_results;
        }
 
        /* delete from disk and cache */
-       if ( id2entry_delete( be, e ) != 0 ) {
+       if ( id2entry_delete( op->o_bd, e ) != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_back_delete: (%s) operations error\n", op->o_req_dn.bv_val, 0, 0 );
+#else
                Debug(LDAP_DEBUG_ARGS,
                        "<=- ldbm_back_delete: operations error %s\n",
-                       dn, 0, 0);
-               send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+                       op->o_req_dn.bv_val, 0, 0);
+#endif
+
+               send_ldap_error( op, rs, LDAP_OTHER,
+                       "entry delete failed" );
                goto return_results;
        }
 
-       send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
+       /* delete attribute indices */
+       (void) index_entry_del( op, e );
+
+       rs->sr_err = LDAP_SUCCESS;
+       send_ldap_result( op, rs );
        rc = 0;
 
 return_results:;
-       if ( pdn != NULL ) free(pdn);
-
        if( p != NULL ) {
                /* free parent and writer lock */
                cache_return_entry_w( &li->li_cache, p );
        }
 
-       if ( rootlock ) {
-               /* release root lock */
-               ldap_pvt_thread_mutex_unlock(&li->li_root_mutex);
-       }
-
        /* free entry and writer lock */
        cache_return_entry_w( &li->li_cache, e );
 
-       if ( matched != NULL ) free(matched);
+       ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
 
        return rc;
 }