2 zip_source_win32w.c -- create data source from Windows file (UTF-16)
3 Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
5 This file is part of libzip, a library to manipulate ZIP archives.
6 The authors can be contacted at <libzip@nih.at>
8 Redistribution and use in source and binary forms, with or without
9 modification, are permitted provided that the following conditions
11 1. Redistributions of source code must retain the above copyright
12 notice, this list of conditions and the following disclaimer.
13 2. Redistributions in binary form must reproduce the above copyright
14 notice, this list of conditions and the following disclaimer in
15 the documentation and/or other materials provided with the
17 3. The names of the authors may not be used to endorse or promote
18 products derived from this software without specific prior
21 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
22 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
25 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
27 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
29 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
31 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 static void * _win32_strdup_w(const void *str);
41 static HANDLE _win32_open_w(_zip_source_win32_read_file_t *ctx);
42 static HANDLE _win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa);
43 static int _win32_rename_temp_w(_zip_source_win32_read_file_t *ctx);
44 static int _win32_remove_w(const void *fname);
46 static _zip_source_win32_file_ops_t win32_ops_w = {
54 ZIP_EXTERN zip_source_t *
55 zip_source_win32w(zip_t *za, const wchar_t *fname, zip_uint64_t start, zip_int64_t len)
60 return zip_source_win32w_create(fname, start, len, &za->error);
64 ZIP_EXTERN zip_source_t *
65 zip_source_win32w_create(const wchar_t *fname, zip_uint64_t start, zip_int64_t length, zip_error_t *error)
67 if (fname == NULL || length < -1) {
68 zip_error_set(error, ZIP_ER_INVAL, 0);
72 return _zip_source_win32_handle_or_name(fname, INVALID_HANDLE_VALUE, start, length, 1, NULL, &win32_ops_w, error);
77 _win32_strdup_w(const void *str)
79 return _wcsdup((const wchar_t *)str);
84 _win32_open_w(_zip_source_win32_read_file_t *ctx)
87 CREATEFILE2_EXTENDED_PARAMETERS extParams = { 0 };
88 extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
89 extParams.dwFileFlags = FILE_FLAG_RANDOM_ACCESS;
90 extParams.dwSecurityQosFlags = SECURITY_ANONYMOUS;
91 extParams.dwSize = sizeof(extParams);
92 extParams.hTemplateFile = NULL;
93 extParams.lpSecurityAttributes = NULL;
95 return CreateFile2(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, OPEN_EXISTING, &extParams);
97 return CreateFileW(ctx->fname, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
103 _win32_create_temp_w(_zip_source_win32_read_file_t *ctx, void **temp, zip_uint32_t value, PSECURITY_ATTRIBUTES sa)
107 len = wcslen((const wchar_t *)ctx->fname) + 10;
109 if ((*temp = malloc(sizeof(wchar_t) * len)) == NULL) {
110 zip_error_set(&ctx->error, ZIP_ER_MEMORY, 0);
111 return INVALID_HANDLE_VALUE;
114 if (_snwprintf((wchar_t *)*temp, len, L"%s.%08x", (const wchar_t *)ctx->fname, value) != len - 1) {
115 return INVALID_HANDLE_VALUE;
119 CREATEFILE2_EXTENDED_PARAMETERS extParams = { 0 };
120 extParams.dwFileAttributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY;
121 extParams.dwFileFlags = FILE_FLAG_RANDOM_ACCESS;
122 extParams.dwSecurityQosFlags = SECURITY_ANONYMOUS;
123 extParams.dwSize = sizeof(extParams);
124 extParams.hTemplateFile = NULL;
125 extParams.lpSecurityAttributes = NULL;
127 return CreateFile2((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, CREATE_NEW, &extParams);
129 return CreateFileW((const wchar_t *)*temp, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ, sa, CREATE_NEW, FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY, NULL);
135 _win32_rename_temp_w(_zip_source_win32_read_file_t *ctx)
137 if (!MoveFileExW(ctx->tmpname, ctx->fname, MOVEFILE_REPLACE_EXISTING))
144 _win32_remove_w(const void *fname)
146 DeleteFileW((const wchar_t *)fname);