]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/modrdn.c
ITS#4088 force cursors to use same locker
[openldap] / servers / slapd / back-bdb / modrdn.c
index 0a6b8d7fd2c7281d2e2f6bb2638e21c631610fad..cef5c72a6913644f0d25319afd740c8f80c8931e 100644 (file)
@@ -29,7 +29,6 @@ bdb_modrdn( Operation *op, SlapReply *rs )
        AttributeDescription *entry = slap_schema.si_ad_entry;
        struct berval   p_dn, p_ndn;
        struct berval   new_dn = {0, NULL}, new_ndn = {0, NULL};
-       int             isroot = -1;
        Entry           *e = NULL;
        Entry           *p = NULL;
        EntryInfo       *ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
@@ -253,7 +252,15 @@ retry:     /* transaction retry */
        }
 
        if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
+#ifdef BDB_MULTIPLE_SUFFIXES
+               /* Allow renaming one suffix entry to another */
                p_ndn = slap_empty_bv;
+#else
+               /* There can only be one suffix entry */
+               rs->sr_err = LDAP_NAMING_VIOLATION;
+               rs->sr_text = "cannot rename suffix entry";
+               goto return_results;
+#endif
        } else {
                dnParent( &e->e_nname, &p_ndn );
        }
@@ -290,101 +297,48 @@ retry:   /* transaction retry */
                        rs->sr_text = "old entry's parent does not exist";
                        goto return_results;
                }
+       } else {
+               p = (Entry *)&slap_entry_root;
+       }
 
-               /* check parent for "children" acl */
-               rs->sr_err = access_allowed( op, p,
-                       children, NULL,
-                       op->oq_modrdn.rs_newSup == NULL ?
-                               ACL_WRITE : ACL_WDEL,
-                       NULL );
+       /* check parent for "children" acl */
+       rs->sr_err = access_allowed( op, p,
+               children, NULL,
+               op->oq_modrdn.rs_newSup == NULL ?
+                       ACL_WRITE : ACL_WDEL,
+               NULL );
 
-               if ( ! rs->sr_err ) {
-                       switch( opinfo.boi_err ) {
-                       case DB_LOCK_DEADLOCK:
-                       case DB_LOCK_NOTGRANTED:
-                               goto retry;
-                       }
-
-                       rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
-                       Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
-                               0, 0 );
-                       rs->sr_text = "no write access to old parent's children";
-                       goto return_results;
-               }
+       if ( !p_ndn.bv_len )
+               p = NULL;
 
-               Debug( LDAP_DEBUG_TRACE,
-                       LDAP_XSTRING(bdb_modrdn) ": wr to children "
-                       "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
-               
-               if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
-                       p_dn = slap_empty_bv;
-               } else {
-                       dnParent( &e->e_name, &p_dn );
+       if ( ! rs->sr_err ) {
+               switch( opinfo.boi_err ) {
+               case DB_LOCK_DEADLOCK:
+               case DB_LOCK_NOTGRANTED:
+                       goto retry;
                }
 
-               Debug( LDAP_DEBUG_TRACE,
-                       LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
-                       p_dn.bv_val, 0, 0 );
+               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+               Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
+                       0, 0 );
+               rs->sr_text = "no write access to old parent's children";
+               goto return_results;
+       }
 
+       Debug( LDAP_DEBUG_TRACE,
+               LDAP_XSTRING(bdb_modrdn) ": wr to children "
+               "of entry %s OK\n", p_ndn.bv_val, 0, 0 );
+       
+       if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
+               p_dn = slap_empty_bv;
        } else {
-               /* no parent, modrdn entry directly under root */
-               isroot = be_isroot( op );
-               if ( ! isroot ) {
-                       if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
-                               || be_shadow_update( op ) ) {
-
-                               p = (Entry *)&slap_entry_root;
-
-                               /* check parent for "children" acl */
-                               rs->sr_err = access_allowed( op, p,
-                                       children, NULL,
-                                       op->oq_modrdn.rs_newSup == NULL ?
-                                               ACL_WRITE : ACL_WDEL,
-                                       NULL );
-
-                               p = NULL;
-
-                               if ( ! rs->sr_err ) {
-                                       switch( opinfo.boi_err ) {
-                                       case DB_LOCK_DEADLOCK:
-                                       case DB_LOCK_NOTGRANTED:
-                                               goto retry;
-                                       }
-
-                                       rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
-                                       Debug( LDAP_DEBUG_TRACE, 
-                                               "no access to parent\n", 
-                                               0, 0, 0 );
-                                       rs->sr_text = "no write access to old parent";
-                                       goto return_results;
-                               }
-
-                               Debug( LDAP_DEBUG_TRACE,
-                                       LDAP_XSTRING(bdb_modrdn)
-                                       ": wr to children of entry \"\" OK\n",
-                                       0, 0, 0 );
-               
-                               p_dn.bv_val = "";
-                               p_dn.bv_len = 0;
-
-                               Debug( LDAP_DEBUG_TRACE,
-                                       LDAP_XSTRING(bdb_modrdn)
-                                       ": parent dn=\"\"\n",
-                                       0, 0, 0 );
-
-                       } else {
-                               Debug( LDAP_DEBUG_TRACE,
-                                       LDAP_XSTRING(bdb_modrdn)
-                                       ": no parent, not root "
-                                       "& \"\" is not suffix\n",
-                                       0, 0, 0);
-                               rs->sr_text = "no write access to old parent";
-                               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
-                               goto return_results;
-                       }
-               }
+               dnParent( &e->e_name, &p_dn );
        }
 
+       Debug( LDAP_DEBUG_TRACE,
+               LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
+               p_dn.bv_val, 0, 0 );
+
        new_parent_dn = &p_dn;  /* New Parent unless newSuperior given */
 
        if ( op->oq_modrdn.rs_newSup != NULL ) {
@@ -402,6 +356,15 @@ retry:     /* transaction retry */
                }
        }
 
+       /* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't
+        * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net.
+        * We do not allow modDN
+        *   dc=foo,dc=com
+        *    newrdn dc=bar
+        *    newsup dc=net
+        * and we probably should. But since MULTIPLE_SUFFIXES is deprecated
+        * I'm ignoring this problem for now.
+        */
        if ( op->oq_modrdn.rs_newSup != NULL ) {
                if ( op->oq_modrdn.rs_newSup->bv_len ) {
                        np_dn = op->oq_modrdn.rs_newSup;
@@ -410,8 +373,8 @@ retry:      /* transaction retry */
                        /* newSuperior == oldParent? - checked above */
                        /* newSuperior == entry being moved?, if so ==> ERROR */
                        if ( dnIsSuffix( np_ndn, &e->e_nname )) {
-                               rs->sr_err = LDAP_NAMING_VIOLATION;
-                               rs->sr_text = "new superior is invalid";
+                               rs->sr_err = LDAP_NO_SUCH_OBJECT;
+                               rs->sr_text = "new superior not found";
                                goto return_results;
                        }
                        /* Get Entry with dn=newSuperior. Does newSuperior exist? */
@@ -441,7 +404,7 @@ retry:      /* transaction retry */
                                        ": newSup(ndn=%s) not here!\n",
                                        np_ndn->bv_val, 0, 0);
                                rs->sr_text = "new superior not found";
-                               rs->sr_err = LDAP_OTHER;
+                               rs->sr_err = LDAP_NO_SUCH_OBJECT;
                                goto return_results;
                        }
 
@@ -493,62 +456,35 @@ retry:    /* transaction retry */
                        }
 
                } else {
-                       if ( isroot == -1 ) {
-                               isroot = be_isroot( op );
-                       }
-                       
                        np_dn = NULL;
 
                        /* no parent, modrdn entry directly under root */
-                       if ( ! isroot ) {
-                               if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
-                                       || be_isupdate( op ) ) {
-                                       np = (Entry *)&slap_entry_root;
-
-                                       /* check parent for "children" acl */
-                                       rs->sr_err = access_allowed( op, np,
-                                               children, NULL, ACL_WADD, NULL );
-
-                                       np = NULL;
-
-                                       if ( ! rs->sr_err ) {
-                                               switch( opinfo.boi_err ) {
-                                               case DB_LOCK_DEADLOCK:
-                                               case DB_LOCK_NOTGRANTED:
-                                                       goto retry;
-                                               }
-
-                                               rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
-                                               Debug( LDAP_DEBUG_TRACE, 
-                                                       "no access to new superior\n", 
-                                                       0, 0, 0 );
-                                               rs->sr_text =
-                                                       "no write access to new superior's children";
-                                               goto return_results;
+                       if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
+                               || be_isupdate( op ) ) {
+                               np = (Entry *)&slap_entry_root;
+
+                               /* check parent for "children" acl */
+                               rs->sr_err = access_allowed( op, np,
+                                       children, NULL, ACL_WADD, NULL );
+
+                               np = NULL;
+
+                               if ( ! rs->sr_err ) {
+                                       switch( opinfo.boi_err ) {
+                                       case DB_LOCK_DEADLOCK:
+                                       case DB_LOCK_NOTGRANTED:
+                                               goto retry;
                                        }
 
-                                       Debug( LDAP_DEBUG_TRACE,
-                                               LDAP_XSTRING(bdb_modrdn)
-                                               ": wr to children "
-                                               "of entry \"\" OK\n",
-                                               0, 0, 0 );
-               
-                               } else {
-                                       Debug( LDAP_DEBUG_TRACE,
-                                               LDAP_XSTRING(bdb_modrdn)
-                                               ": new superior=\"\", not root "
-                                               "& \"\" is not suffix\n",
-                                               0, 0, 0 );
-                                       rs->sr_text = "no write access to new superior's children";
                                        rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+                                       Debug( LDAP_DEBUG_TRACE, 
+                                               "no access to new superior\n", 
+                                               0, 0, 0 );
+                                       rs->sr_text =
+                                               "no write access to new superior's children";
                                        goto return_results;
                                }
                        }
-
-                       Debug( LDAP_DEBUG_TRACE,
-                               LDAP_XSTRING(bdb_modrdn)
-                               ": new superior=\"\"\n",
-                               0, 0, 0 );
                }
 
                Debug( LDAP_DEBUG_TRACE,
@@ -792,7 +728,8 @@ retry:      /* transaction retry */
                if(( rs->sr_err=TXN_ABORT( ltid )) != 0 ) {
                        rs->sr_text = "txn_abort (no-op) failed";
                } else {
-                       rs->sr_err = LDAP_SUCCESS;
+                       rs->sr_err = LDAP_NO_OPERATION;
+                       ltid = NULL;
                        goto return_results;
                }
 
@@ -895,8 +832,8 @@ done:
 
        if( ltid != NULL ) {
                TXN_ABORT( ltid );
-               op->o_private = NULL;
        }
+       op->o_private = NULL;
 
        if( preread_ctrl != NULL ) {
                slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );