1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "apr_private.h" 18#include "apr_file_io.h" /* prototype of apr_mkstemp() */ 19#include "apr_strings.h" /* prototype of apr_mkstemp() */ 20#include "apr_arch_file_io.h" /* prototype of apr_mkstemp() */ 21#include "apr_portable.h" /* for apr_os_file_put() */ 22#include "apr_arch_inherit.h" 23 24#include <stdlib.h> /* for mkstemp() - Single Unix */ 25 26APR_DECLARE(apr_status_t) apr_file_mktemp(apr_file_t **fp, char *template, apr_int32_t flags, apr_pool_t *p) 27{ 28 int fd; 29 apr_status_t rv; 30 31 flags = (!flags) ? APR_FOPEN_CREATE | APR_FOPEN_READ | APR_FOPEN_WRITE | 32 APR_FOPEN_DELONCLOSE : flags & ~APR_FOPEN_EXCL; 33 34 fd = mkstemp(template); 35 if (fd == -1) { 36 return errno; 37 } 38 /* We need to reopen the file to get rid of the o_excl flag. 39 * Otherwise file locking will not allow the file to be shared. 40 */ 41 close(fd); 42 if ((rv = apr_file_open(fp, template, flags|APR_FOPEN_NOCLEANUP, 43 APR_UREAD | APR_UWRITE, p)) == APR_SUCCESS) { 44 45 46 if (!(flags & APR_FOPEN_NOCLEANUP)) { 47 int flags; 48 49 if ((flags = fcntl((*fp)->filedes, F_GETFD)) == -1) 50 return errno; 51 52 flags |= FD_CLOEXEC; 53 if (fcntl((*fp)->filedes, F_SETFD, flags) == -1) 54 return errno; 55 56 apr_pool_cleanup_register((*fp)->pool, (void *)(*fp), 57 apr_unix_file_cleanup, 58 apr_unix_child_file_cleanup); 59 } 60 } 61 62 return rv; 63} 64 65