/* Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "apr.h" #include "apr_arch_file_io.h" #include "apr_strings.h" /* Win32 Exceptions: * * Note that trailing spaces and trailing periods are never recorded * in the file system, except by a very obscure bug where any file * that is created with a trailing space or period, followed by the * ':' stream designator on an NTFS volume can never be accessed again. * In other words, don't ever accept them when designating a stream! * * An interesting side effect is that two or three periods are both * treated as the parent directory, although the fourth and on are * not [strongly suggest all trailing periods are trimmed off, or * down to two if there are no other characters.] * * Leading spaces and periods are accepted, however. * The * ? < > codes all have wildcard side effects * The " / \ : are exclusively component separator tokens * The system doesn't accept | for any (known) purpose * Oddly, \x7f _is_ acceptable ;) */ /* apr_c_is_fnchar[] maps Win32's file name and shell escape symbols * * element & 1 == valid file name character [excluding delimiters] * element & 2 == character should be shell (caret) escaped from cmd.exe * * this must be in-sync with Apache httpd's gen_test_char.c for cgi escaping. */ const char apr_c_is_fnchar[256] = {/* Reject all ctrl codes... Escape \n and \r (ascii 10 and 13) */ 0,0,0,0,0,0,0,0,0,0,2,0,0,2,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? */ 1,1,2,1,3,3,3,3,3,3,2,1,1,1,1,0, 1,1,1,1,1,1,1,1,1,1,0,3,2,1,2,2, /* @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,3,2,3,3,1, /* ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ */ 3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,3,2,3,3,1, /* High bit codes are accepted (subject to utf-8->Unicode xlation) */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 }; apr_status_t filepath_root_test(char *path, apr_pool_t *p) { apr_status_t rv; #if APR_HAS_UNICODE_FS if (apr_os_level >= APR_WIN_NT) { apr_wchar_t wpath[APR_PATH_MAX]; if (rv = utf8_to_unicode_path(wpath, sizeof(wpath) / sizeof(apr_wchar_t), path)) return rv; rv = GetDriveTypeW(wpath); } else #endif rv = GetDriveType(path); if (rv == DRIVE_UNKNOWN || rv == DRIVE_NO_ROOT_DIR) return APR_EBADPATH; return APR_SUCCESS; } apr_status_t filepath_drive_get(char **rootpath, char drive, apr_int32_t flags, apr_pool_t *p) { char path[APR_PATH_MAX]; #if APR_HAS_UNICODE_FS IF_WIN_OS_IS_UNICODE { apr_wchar_t *ignored; apr_wchar_t wdrive[8]; apr_wchar_t wpath[APR_PATH_MAX]; apr_status_t rv; /* ???: This needs review, apparently "\\?\d:." returns "\\?\d:" * as if that is useful for anything. */ wcscpy(wdrive, L"D:."); wdrive[0] = (apr_wchar_t)(unsigned char)drive; if (!GetFullPathNameW(wdrive, sizeof(wpath) / sizeof(apr_wchar_t), wpath, &ignored)) return apr_get_os_error(); if ((rv = unicode_to_utf8_path(path, sizeof(path), wpath))) return rv; } #endif #if APR_HAS_ANSI_FS ELSE_WIN_OS_IS_ANSI { char *ignored; char drivestr[4]; drivestr[0] = drive; drivestr[1] = ':'; drivestr[2] = '.';; drivestr[3] = '\0'; if (!GetFullPathName(drivestr, sizeof(path), path, &ignored)) return apr_get_os_error(); } #endif if (!(flags & APR_FILEPATH_NATIVE)) { for (*rootpath = path; **rootpath; ++*rootpath) { if (**rootpath == '\\') **rootpath = '/'; } } *rootpath = apr_pstrdup(p, path); return APR_SUCCESS; } apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p) { #if APR_HAS_UNICODE_FS IF_WIN_OS_IS_UNICODE { apr_wchar_t *ignored; apr_wchar_t wpath[APR_PATH_MAX]; apr_status_t rv; apr_wchar_t wroot[APR_PATH_MAX]; /* ???: This needs review, apparently "\\?\d:." returns "\\?\d:" * as if that is useful for anything. */ if (rv = utf8_to_unicode_path(wroot, sizeof(wroot) / sizeof(apr_wchar_t), root)) return rv; if (!GetFullPathNameW(wroot, sizeof(wpath) / sizeof(apr_wchar_t), wpath, &ignored)) return apr_get_os_error(); /* Borrow wroot as a char buffer (twice as big as necessary) */ if ((rv = unicode_to_utf8_path((char*)wroot, sizeof(wroot), wpath))) return rv; *rootpath = apr_pstrdup(p, (char*)wroot); } #endif #if APR_HAS_ANSI_FS ELSE_WIN_OS_IS_ANSI { char path[APR_PATH_MAX]; char *ignored; if (!GetFullPathName(root, sizeof(path), path, &ignored)) return apr_get_os_error(); *rootpath = apr_pstrdup(p, path); } #endif return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_filepath_get(char **rootpath, apr_int32_t flags, apr_pool_t *p) { char path[APR_PATH_MAX]; #if APR_HAS_UNICODE_FS IF_WIN_OS_IS_UNICODE { apr_wchar_t wpath[APR_PATH_MAX]; apr_status_t rv; if (!GetCurrentDirectoryW(sizeof(wpath) / sizeof(apr_wchar_t), wpath)) return apr_get_os_error(); if ((rv = unicode_to_utf8_path(path, sizeof(path), wpath))) return rv; } #endif #if APR_HAS_ANSI_FS ELSE_WIN_OS_IS_ANSI { if (!GetCurrentDirectory(sizeof(path), path)) return apr_get_os_error(); } #endif if (!(flags & APR_FILEPATH_NATIVE)) { for (*rootpath = path; **rootpath; ++*rootpath) { if (**rootpath == '\\') **rootpath = '/'; } } *rootpath = apr_pstrdup(p, path); return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_filepath_set(const char *rootpath, apr_pool_t *p) { #if APR_HAS_UNICODE_FS IF_WIN_OS_IS_UNICODE { apr_wchar_t wpath[APR_PATH_MAX]; apr_status_t rv; if (rv = utf8_to_unicode_path(wpath, sizeof(wpath) / sizeof(apr_wchar_t), rootpath)) return rv; if (!SetCurrentDirectoryW(wpath)) return apr_get_os_error(); } #endif #if APR_HAS_ANSI_FS ELSE_WIN_OS_IS_ANSI { if (!SetCurrentDirectory(rootpath)) return apr_get_os_error(); } #endif return APR_SUCCESS; }
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