/* add.c - ldap mdb back-end add routine */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 2000-2015 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted only as authorized by the OpenLDAP * Public License. * * A copy of this license is available in the file LICENSE in the * top-level directory of the distribution or, alternatively, at * . */ #include "portable.h" #include #include #include "back-mdb.h" int mdb_add(Operation *op, SlapReply *rs ) { struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private; struct berval pdn; Entry *p = NULL, *oe = op->ora_e; char textbuf[SLAP_TEXT_BUFLEN]; size_t textlen = sizeof textbuf; AttributeDescription *children = slap_schema.si_ad_children; AttributeDescription *entry = slap_schema.si_ad_entry; MDB_txn *txn = NULL; MDB_cursor *mc = NULL; MDB_cursor *mcd; ID eid, pid = 0; mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo; int subentry; int success; LDAPControl **postread_ctrl = NULL; LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; int num_ctrls = 0; Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_add) ": %s\n", op->ora_e->e_name.bv_val, 0, 0); #ifdef LDAP_X_TXN if( op->o_txnSpec && txn_preop( op, rs )) return rs->sr_err; #endif ctrls[num_ctrls] = 0; /* check entry's schema */ rs->sr_err = entry_schema_check( op, op->ora_e, NULL, get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen ); if ( rs->sr_err != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": entry failed schema check: " "%s (%d)\n", rs->sr_text, rs->sr_err, 0 ); goto return_results; } /* begin transaction */ rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi ); rs->sr_text = NULL; if( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 ); rs->sr_err = LDAP_OTHER; rs->sr_text = "internal error"; goto return_results; } txn = moi->moi_txn; /* add opattrs to shadow as well, only missing attrs will actually * be added; helps compatibility with older OL versions */ rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 ); if ( rs->sr_err != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": entry failed op attrs add: " "%s (%d)\n", rs->sr_text, rs->sr_err, 0 ); goto return_results; } if ( get_assert( op ) && ( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE )) { rs->sr_err = LDAP_ASSERTION_FAILED; goto return_results; } subentry = is_entry_subentry( op->ora_e ); /* * Get the parent dn and see if the corresponding entry exists. */ if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) { pdn = slap_empty_bv; } else { dnParent( &op->ora_e->e_nname, &pdn ); } rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd ); if( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n", rs->sr_err, 0, 0 ); rs->sr_err = LDAP_OTHER; rs->sr_text = "internal error"; goto return_results; } /* get entry or parent */ rs->sr_err = mdb_dn2entry( op, txn, mcd, &op->ora_e->e_nname, &p, NULL, 1 ); switch( rs->sr_err ) { case 0: rs->sr_err = LDAP_ALREADY_EXISTS; mdb_entry_return( op, p ); p = NULL; goto return_results; case MDB_NOTFOUND: break; case LDAP_BUSY: rs->sr_text = "ldap server busy"; goto return_results; default: rs->sr_err = LDAP_OTHER; rs->sr_text = "internal error"; goto return_results; } if ( !p ) p = (Entry *)&slap_entry_root; if ( !bvmatch( &pdn, &p->e_nname ) ) { rs->sr_matched = ber_strdup_x( p->e_name.bv_val, op->o_tmpmemctx ); if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) { BerVarray ref = get_entry_referrals( op, p ); rs->sr_ref = referral_rewrite( ref, &p->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); ber_bvarray_free( ref ); } else { rs->sr_ref = NULL; } if ( p != (Entry *)&slap_entry_root ) mdb_entry_return( op, p ); p = NULL; Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": parent " "does not exist\n", 0, 0, 0 ); rs->sr_err = LDAP_REFERRAL; rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; goto return_results; } rs->sr_err = access_allowed( op, p, children, NULL, ACL_WADD, NULL ); if ( ! rs->sr_err ) { if ( p != (Entry *)&slap_entry_root ) mdb_entry_return( op, p ); p = NULL; Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": no write access to parent\n", 0, 0, 0 ); rs->sr_err = LDAP_INSUFFICIENT_ACCESS; rs->sr_text = "no write access to parent"; goto return_results;; } if ( p != (Entry *)&slap_entry_root ) { if ( is_entry_subentry( p ) ) { mdb_entry_return( op, p ); p = NULL; /* parent is a subentry, don't allow add */ Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": parent is subentry\n", 0, 0, 0 ); rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION; rs->sr_text = "parent is a subentry"; goto return_results;; } if ( is_entry_alias( p ) ) { mdb_entry_return( op, p ); p = NULL; /* parent is an alias, don't allow add */ Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": parent is alias\n", 0, 0, 0 ); rs->sr_err = LDAP_ALIAS_PROBLEM; rs->sr_text = "parent is an alias"; goto return_results;; } if ( is_entry_referral( p ) ) { BerVarray ref = get_entry_referrals( op, p ); /* parent is a referral, don't allow add */ rs->sr_matched = ber_strdup_x( p->e_name.bv_val, op->o_tmpmemctx ); rs->sr_ref = referral_rewrite( ref, &p->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); ber_bvarray_free( ref ); mdb_entry_return( op, p ); p = NULL; Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": parent is referral\n", 0, 0, 0 ); rs->sr_err = LDAP_REFERRAL; rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED; goto return_results; } } if ( subentry ) { /* FIXME: */ /* parent must be an administrative point of the required kind */ } /* free parent */ if ( p != (Entry *)&slap_entry_root ) { pid = p->e_id; if ( p->e_nname.bv_len ) { struct berval ppdn; /* ITS#5326: use parent's DN if differs from provided one */ dnParent( &op->ora_e->e_name, &ppdn ); if ( !dn_match( &p->e_name, &ppdn ) ) { struct berval rdn; struct berval newdn; dnRdn( &op->ora_e->e_name, &rdn ); build_new_dn( &newdn, &p->e_name, &rdn, NULL ); if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val ) ber_memfree( op->ora_e->e_name.bv_val ); op->ora_e->e_name = newdn; /* FIXME: should check whether * dnNormalize(newdn) == e->e_nname ... */ } } mdb_entry_return( op, p ); } p = NULL; rs->sr_err = access_allowed( op, op->ora_e, entry, NULL, ACL_WADD, NULL ); if ( ! rs->sr_err ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": no write access to entry\n", 0, 0, 0 ); rs->sr_err = LDAP_INSUFFICIENT_ACCESS; rs->sr_text = "no write access to entry"; goto return_results;; } /* * Check ACL for attribute write access */ if (!acl_check_modlist(op, oe, op->ora_modlist)) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": no write access to attribute\n", 0, 0, 0 ); rs->sr_err = LDAP_INSUFFICIENT_ACCESS; rs->sr_text = "no write access to attribute"; goto return_results;; } rs->sr_err = mdb_cursor_open( txn, mdb->mi_id2entry, &mc ); if( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n", rs->sr_err, 0, 0 ); rs->sr_err = LDAP_OTHER; rs->sr_text = "internal error"; goto return_results; } rs->sr_err = mdb_next_id( op->o_bd, mc, &eid ); if( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n", rs->sr_err, 0, 0 ); rs->sr_err = LDAP_OTHER; rs->sr_text = "internal error"; goto return_results; } op->ora_e->e_id = eid; /* dn2id index */ rs->sr_err = mdb_dn2id_add( op, mcd, mcd, pid, 1, 1, op->ora_e ); mdb_cursor_close( mcd ); if ( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 ); switch( rs->sr_err ) { case MDB_KEYEXIST: rs->sr_err = LDAP_ALREADY_EXISTS; break; default: rs->sr_err = LDAP_OTHER; } goto return_results; } /* attribute indexes */ rs->sr_err = mdb_index_entry_add( op, txn, op->ora_e ); if ( rs->sr_err != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": index_entry_add failed\n", 0, 0, 0 ); rs->sr_err = LDAP_OTHER; rs->sr_text = "index generation failed"; goto return_results; } /* id2entry index */ rs->sr_err = mdb_id2entry_add( op, txn, mc, op->ora_e ); if ( rs->sr_err != 0 ) { Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": id2entry_add failed\n", 0, 0, 0 ); if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ) { rs->sr_text = "entry is too big"; } else { rs->sr_err = LDAP_OTHER; rs->sr_text = "entry store failed"; } goto return_results; } /* post-read */ if( op->o_postread ) { if( postread_ctrl == NULL ) { postread_ctrl = &ctrls[num_ctrls++]; ctrls[num_ctrls] = NULL; } if ( slap_read_controls( op, rs, op->ora_e, &slap_post_read_bv, postread_ctrl ) ) { Debug( LDAP_DEBUG_TRACE, "<=- " LDAP_XSTRING(mdb_add) ": post-read " "failed!\n", 0, 0, 0 ); if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { /* FIXME: is it correct to abort * operation if control fails? */ goto return_results; } } } if ( moi == &opinfo ) { LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next ); opinfo.moi_oe.oe_key = NULL; if ( op->o_noop ) { mdb_txn_abort( txn ); rs->sr_err = LDAP_X_NO_OPERATION; txn = NULL; goto return_results; } rs->sr_err = mdb_txn_commit( txn ); txn = NULL; if ( rs->sr_err != 0 ) { rs->sr_text = "txn_commit failed"; Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n", rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err ); rs->sr_err = LDAP_OTHER; goto return_results; } } Debug(LDAP_DEBUG_TRACE, LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n", op->o_noop ? " (no-op)" : "", op->ora_e->e_id, op->ora_e->e_dn ); rs->sr_text = NULL; if( num_ctrls ) rs->sr_ctrls = ctrls; return_results: success = rs->sr_err; send_ldap_result( op, rs ); if( moi == &opinfo ) { if( txn != NULL ) { mdb_txn_abort( txn ); } if ( opinfo.moi_oe.oe_key ) { LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next ); } } else { moi->moi_ref--; } if( success == LDAP_SUCCESS ) { #if 0 if ( mdb->bi_txn_cp_kbyte ) { TXN_CHECKPOINT( mdb->bi_dbenv, mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 ); } #endif } slap_graduate_commit_csn( op ); if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); } return rs->sr_err; }