]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-ldbm/delete.c
More places where LOCK_ID() calls need to be checked.
[openldap] / servers / slapd / back-ldbm / delete.c
index c6e9a6c501fc4e76e68a83619b6ff964033364cf..d33e957f678f6dd3d1457399c586200fe8060e6a 100644 (file)
@@ -1,7 +1,7 @@
 /* delete.c - ldbm backend delete routine */
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -21,44 +21,44 @@ ldbm_back_delete(
     Backend    *be,
     Connection *conn,
     Operation  *op,
-    const char *dn,
-    const char *ndn
+    struct berval      *dn,
+    struct berval      *ndn
 )
 {
        struct ldbminfo *li = (struct ldbminfo *) be->be_private;
        Entry   *matched;
-       char    *pdn = NULL;
+       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;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
-               "ldbm_back_delete: %s\n", dn ));
+       LDAP_LOG( BACK_LDBM, ENTRY, "ldbm_back_delete: %s\n", dn->bv_val, 0, 0 );
 #else
-       Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", dn, 0, 0);
+       Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_delete: %s\n", 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, ndn, &matched )) == NULL ) {
                char *matched_dn = NULL;
-               struct berval **refs;
+               BerVarray refs;
 
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                       "ldbm_back_delete: no such object %s\n", dn ));
+               LDAP_LOG( BACK_LDBM, INFO, 
+                       "ldbm_back_delete: no such object %s\n", dn->bv_val, 0, 0 );
 #else
                Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: no such object %s\n",
-                       dn, 0, 0);
+                       dn->bv_val, 0, 0);
 #endif
 
                if ( matched != NULL ) {
                        matched_dn = ch_strdup( matched->e_dn );
                        refs = is_entry_referral( matched )
-                               ? get_entry_referrals( be, conn, op, matched,
-                                       dn, LDAP_SCOPE_DEFAULT )
+                               ? get_entry_referrals( be, conn, op, matched )
                                : NULL;
                        cache_return_entry_r( &li->li_cache, matched );
 
@@ -67,10 +67,12 @@ ldbm_back_delete(
                                NULL, dn, LDAP_SCOPE_DEFAULT );
                }
 
+               ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
                send_ldap_result( conn, op, LDAP_REFERRAL,
                        matched_dn, NULL, refs, NULL );
 
-               ber_bvecfree( refs );
+               if ( refs ) ber_bvarray_free( refs );
                free( matched_dn );
 
                return( -1 );
@@ -79,23 +81,21 @@ ldbm_back_delete(
     if ( !manageDSAit && is_entry_referral( e ) ) {
                /* parent is a referral, don't allow add */
                /* parent is an alias, don't allow add */
-               struct berval **refs = get_entry_referrals( be,
-                       conn, op, e, dn, LDAP_SCOPE_DEFAULT );
+               BerVarray refs = get_entry_referrals( be,
+                       conn, op, e );
 
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                          "ldbm_back_delete: entry (%s) is a referral.\n",
-                          e->e_dn ));
+               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
 
-
                send_ldap_result( conn, op, LDAP_REFERRAL,
                    e->e_dn, NULL, refs, NULL );
 
-               ber_bvecfree( refs );
+               if ( refs ) ber_bvarray_free( refs );
 
                rc = 1;
                goto return_results;
@@ -104,11 +104,11 @@ ldbm_back_delete(
 
        if ( has_children( be, e ) ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                          "ldbm_back_delete: (%s) is a non-leaf node.\n", dn ));
+               LDAP_LOG( BACK_LDBM, ERR, 
+                          "ldbm_back_delete: (%s) is a non-leaf node.\n", dn->bv_val, 0,0);
 #else
                Debug(LDAP_DEBUG_ARGS, "<=- ldbm_back_delete: non leaf %s\n",
-                       dn, 0, 0);
+                       dn->bv_val, 0, 0);
 #endif
 
                send_ldap_result( conn, op, LDAP_NOT_ALLOWED_ON_NONLEAF,
@@ -117,11 +117,12 @@ ldbm_back_delete(
        }
 
        /* delete from parent's id2children entry */
-       if( (pdn = dn_parent( be, e->e_ndn )) != NULL && pdn[ 0 ] != '\0' ) {
-               if( (p = dn2entry_w( be, pdn, NULL )) == NULL) {
+       if( !be_issuffix( be, &e->e_nname ) && (dnParent( &e->e_nname, &pdn ),
+               pdn.bv_len) ) {
+               if( (p = dn2entry_w( be, &pdn, NULL )) == NULL) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                                  "ldbm_back_delete: parent of (%s) does not exist\n", dn ));
+                       LDAP_LOG( BACK_LDBM, ERR, 
+                               "ldbm_back_delete: parent of (%s) does not exist\n", dn, 0, 0 );
 #else
                        Debug( LDAP_DEBUG_TRACE,
                                "<=- ldbm_back_delete: parent does not exist\n",
@@ -135,11 +136,12 @@ ldbm_back_delete(
 
                /* check parent for "children" acl */
                if ( ! access_allowed( be, conn, op, p,
-                       children, NULL, ACL_WRITE ) )
+                       children, NULL, ACL_WRITE, NULL ) )
                {
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                                  "ldbm_back_delete: no access to parent of (%s)\n", dn ));
+                       LDAP_LOG( BACK_LDBM, ERR, 
+                               "ldbm_back_delete: no access to parent of (%s)\n", 
+                               dn->bv_val, 0, 0 );
 #else
                        Debug( LDAP_DEBUG_TRACE,
                                "<=- ldbm_back_delete: no access to parent\n", 0,
@@ -153,22 +155,20 @@ ldbm_back_delete(
 
        } else {
                /* no parent, must be root to delete */
-               if( ! be_isroot( be, op->o_ndn ) ) {
-                       if ( be_issuffix( be, "" ) 
-                                       || be_isupdate( be, op->o_ndn ) ) {
-                               static const Entry rootp = { NOID, "", "", NULL, NULL };
-                               p = (Entry *)&rootp;
+               if( ! be_isroot( be, &op->o_ndn ) ) {
+                       if ( be_issuffix( be, (struct berval *)&slap_empty_bv ) || be_isupdate( be, &op->o_ndn ) ) {
+                               p = (Entry *)&slap_entry_root;
                                
                                rc = access_allowed( be, conn, op, p,
-                                               children, NULL, ACL_WRITE );
+                                       children, NULL, ACL_WRITE, NULL );
                                p = NULL;
                                                                
                                /* check parent for "children" acl */
                                if ( ! rc ) {
 #ifdef NEW_LOGGING
-                                       LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
+                                       LDAP_LOG( BACK_LDBM, ERR,
                                                "ldbm_back_delete: no access "
-                                               "to parent of ("")\n" ));
+                                               "to parent of ("")\n", 0, 0, 0 );
 #else
                                        Debug( LDAP_DEBUG_TRACE,
                                                "<=- ldbm_back_delete: no "
@@ -183,9 +183,9 @@ ldbm_back_delete(
 
                        } else {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                                          "ldbm_back_delete: (%s) has no "
-                                          "parent & not a root.\n", dn ));
+                               LDAP_LOG( BACK_LDBM, ERR, 
+                                       "ldbm_back_delete: (%s) has no "
+                                       "parent & not a root.\n", dn, 0, 0 );
 #else
                                Debug( LDAP_DEBUG_TRACE,
                                        "<=- ldbm_back_delete: no parent & "
@@ -198,20 +198,17 @@ ldbm_back_delete(
                                goto return_results;
                        }
                }
-
-               ldap_pvt_thread_mutex_lock(&li->li_root_mutex);
-               rootlock = 1;
        }
 
        /* delete from dn2id mapping */
-       if ( dn2id_delete( be, e->e_ndn, e->e_id ) != 0 ) {
+       if ( dn2id_delete( be, &e->e_nname, e->e_id ) != 0 ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                          "ldbm_back_delete: (%s) operations error\n", dn ));
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_back_delete: (%s) operations error\n", dn->bv_val, 0, 0 );
 #else
                Debug(LDAP_DEBUG_ARGS,
                        "<=- ldbm_back_delete: operations error %s\n",
-                       dn, 0, 0);
+                       dn->bv_val, 0, 0);
 #endif
 
                send_ldap_result( conn, op, LDAP_OTHER,
@@ -222,13 +219,12 @@ ldbm_back_delete(
        /* delete from disk and cache */
        if ( id2entry_delete( be, e ) != 0 ) {
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                          "ldbm_back_delete: (%s) operations error\n",
-                          dn ));
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_back_delete: (%s) operations error\n", dn->bv_val, 0, 0 );
 #else
                Debug(LDAP_DEBUG_ARGS,
                        "<=- ldbm_back_delete: operations error %s\n",
-                       dn, 0, 0);
+                       dn->bv_val, 0, 0);
 #endif
 
                send_ldap_result( conn, op, LDAP_OTHER,
@@ -244,20 +240,15 @@ ldbm_back_delete(
        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 );
 
+       ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
+
        return rc;
 }