| 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_arch_file_io.h" |
| 19 |
#include "apr_file_io.h" |
| 20 |
#include "apr_general.h" |
| 21 |
#include "apr_strings.h" |
| 22 |
#include "apr_portable.h" |
| 23 |
#include "apr_thread_mutex.h" |
| 24 |
#if APR_HAVE_ERRNO_H |
| 25 |
#include <errno.h> |
| 26 |
#endif |
| 27 |
#include <winbase.h> |
| 28 |
#include <string.h> |
| 29 |
#ifdef HAVE_SYS_STAT_H |
| 30 |
#include <sys/stat.h> |
| 31 |
#endif |
| 32 |
#include "apr_arch_misc.h" |
| 33 |
#include "apr_arch_inherit.h" |
| 34 |
#include <io.h> |
| 35 |
#include <winioctl.h> |
| 36 |
|
| 37 |
#if APR_HAS_UNICODE_FS |
| 38 |
apr_status_t utf8_to_unicode_path(apr_wchar_t* retstr, apr_size_t retlen, |
| 39 |
const char* srcstr) |
| 40 |
{ |
| 41 |
/* TODO: The computations could preconvert the string to determine |
| 42 |
* the true size of the retstr, but that's a memory over speed |
| 43 |
* tradeoff that isn't appropriate this early in development. |
| 44 |
* |
| 45 |
* Allocate the maximum string length based on leading 4 |
| 46 |
* characters of \\?\ (allowing nearly unlimited path lengths) |
| 47 |
* plus the trailing null, then transform /'s into \\'s since |
| 48 |
* the \\?\ form doesn't allow '/' path seperators. |
| 49 |
* |
| 50 |
* Note that the \\?\ form only works for local drive paths, and |
| 51 |
* \\?\UNC\ is needed UNC paths. |
| 52 |
*/ |
| 53 |
apr_size_t srcremains = strlen(srcstr) + 1; |
| 54 |
apr_wchar_t *t = retstr; |
| 55 |
apr_status_t rv; |
| 56 |
|
| 57 |
/* This is correct, we don't twist the filename if it is will |
| 58 |
* definitely be shorter than 248 characters. It merits some |
| 59 |
* performance testing to see if this has any effect, but there |
| 60 |
* seem to be applications that get confused by the resulting |
| 61 |
* Unicode \\?\ style file names, especially if they use argv[0] |
| 62 |
* or call the Win32 API functions such as GetModuleName, etc. |
| 63 |
* Not every application is prepared to handle such names. |
| 64 |
* |
| 65 |
* Note also this is shorter than MAX_PATH, as directory paths |
| 66 |
* are actually limited to 248 characters. |
| 67 |
* |
| 68 |
* Note that a utf-8 name can never result in more wide chars |
| 69 |
* than the original number of utf-8 narrow chars. |
| 70 |
*/ |
| 71 |
if (srcremains > 248) { |
| 72 |
if (srcstr[1] == ':' && (srcstr[2] == '/' || srcstr[2] == '\\')) { |
| 73 |
wcscpy (retstr, L"\\\\?\\"); |
| 74 |
retlen -= 4; |
| 75 |
t += 4; |
| 76 |
} |
| 77 |
else if ((srcstr[0] == '/' || srcstr[0] == '\\') |
| 78 |
&& (srcstr[1] == '/' || srcstr[1] == '\\') |
| 79 |
&& (srcstr[2] != '?')) { |
| 80 |
/* Skip the slashes */ |
| 81 |
srcstr += 2; |
| 82 |
srcremains -= 2; |
| 83 |
wcscpy (retstr, L"\\\\?\\UNC\\"); |
| 84 |
retlen -= 8; |
| 85 |
t += 8; |
| 86 |
} |
| 87 |
} |
| 88 |
|
| 89 |
if ((rv = apr_conv_utf8_to_ucs2(srcstr, &srcremains, t, &retlen))) { |
| 90 |
return (rv == APR_INCOMPLETE) ? APR_EINVAL : rv; |
| 91 |
} |
| 92 |
if (srcremains) { |
| 93 |
return APR_ENAMETOOLONG; |
| 94 |
} |
| 95 |
for (; *t; ++t) |
| 96 |
if (*t == L'/') |
| 97 |
*t = L'\\'; |
| 98 |
return APR_SUCCESS; |
| 99 |
} |
| 100 |
|
| 101 |
apr_status_t unicode_to_utf8_path(char* retstr, apr_size_t retlen, |
| 102 |
const apr_wchar_t* srcstr) |
| 103 |
{ |
| 104 |
/* Skip the leading 4 characters if the path begins \\?\, or substitute |
| 105 |
* // for the \\?\UNC\ path prefix, allocating the maximum string |
| 106 |
* length based on the remaining string, plus the trailing null. |
| 107 |
* then transform \\'s back into /'s since the \\?\ form never |
| 108 |
* allows '/' path seperators, and APR always uses '/'s. |
| 109 |
*/ |
| 110 |
apr_size_t srcremains = wcslen(srcstr) + 1; |
| 111 |
apr_status_t rv; |
| 112 |
char *t = retstr; |
| 113 |
if (srcstr[0] == L'\\' && srcstr[1] == L'\\' && |
| 114 |
srcstr[2] == L'?' && srcstr[3] == L'\\') { |
| 115 |
if (srcstr[4] == L'U' && srcstr[5] == L'N' && |
| 116 |
srcstr[6] == L'C' && srcstr[7] == L'\\') { |
| 117 |
srcremains -= 8; |
| 118 |
srcstr += 8; |
| 119 |
retstr[0] = '\\'; |
| 120 |
retstr[1] = '\\'; |
| 121 |
retlen -= 2; |
| 122 |
t += 2; |
| 123 |
} |
| 124 |
else { |
| 125 |
srcremains -= 4; |
| 126 |
srcstr += 4; |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
if ((rv = apr_conv_ucs2_to_utf8(srcstr, &srcremains, t, &retlen))) { |
| 131 |
return rv; |
| 132 |
} |
| 133 |
if (srcremains) { |
| 134 |
return APR_ENAMETOOLONG; |
| 135 |
} |
| 136 |
return APR_SUCCESS; |
| 137 |
} |
| 138 |
#endif |
| 139 |
|
| 140 |
void *res_name_from_filename(const char *file, int global, apr_pool_t *pool) |
| 141 |
{ |
| 142 |
#if APR_HAS_UNICODE_FS |
| 143 |
IF_WIN_OS_IS_UNICODE |
| 144 |
{ |
| 145 |
apr_wchar_t *wpre, *wfile, *ch; |
| 146 |
apr_size_t n = strlen(file) + 1; |
| 147 |
apr_size_t r, d; |
| 148 |
|
| 149 |
if (apr_os_level >= APR_WIN_2000) { |
| 150 |
if (global) |
| 151 |
wpre = L"Global\\"; |
| 152 |
else |
| 153 |
wpre = L"Local\\"; |
| 154 |
} |
| 155 |
else |
| 156 |
wpre = L""; |
| 157 |
r = wcslen(wpre); |
| 158 |
|
| 159 |
if (n > 256 - r) { |
| 160 |
file += n - 256 - r; |
| 161 |
n = 256; |
| 162 |
/* skip utf8 continuation bytes */ |
| 163 |
while ((*file & 0xC0) == 0x80) { |
| 164 |
++file; |
| 165 |
--n; |
| 166 |
} |
| 167 |
} |
| 168 |
wfile = apr_palloc(pool, (r + n) * sizeof(apr_wchar_t)); |
| 169 |
wcscpy(wfile, wpre); |
| 170 |
d = n; |
| 171 |
if (apr_conv_utf8_to_ucs2(file, &n, wfile + r, &d)) { |
| 172 |
return NULL; |
| 173 |
} |
| 174 |
for (ch = wfile + r; *ch; ++ch) { |
| 175 |
if (*ch == ':' || *ch == '/' || *ch == '\\') |
| 176 |
*ch = '_'; |
| 177 |
} |
| 178 |
return wfile; |
| 179 |
} |
| 180 |
#endif |
| 181 |
#if APR_HAS_ANSI_FS |
| 182 |
ELSE_WIN_OS_IS_ANSI |
| 183 |
{ |
| 184 |
char *nfile, *ch; |
| 185 |
apr_size_t n = strlen(file) + 1; |
| 186 |
|
| 187 |
#if !APR_HAS_UNICODE_FS |
| 188 |
apr_size_t r, d; |
| 189 |
char *pre; |
| 190 |
|
| 191 |
if (apr_os_level >= APR_WIN_2000) { |
| 192 |
if (global) |
| 193 |
pre = "Global\\"; |
| 194 |
else |
| 195 |
pre = "Local\\"; |
| 196 |
} |
| 197 |
else |
| 198 |
pre = ""; |
| 199 |
r = strlen(pre); |
| 200 |
|
| 201 |
if (n > 256 - r) { |
| 202 |
file += n - 256 - r; |
| 203 |
n = 256; |
| 204 |
} |
| 205 |
nfile = apr_palloc(pool, (r + n) * sizeof(apr_wchar_t)); |
| 206 |
memcpy(nfile, pre, r); |
| 207 |
memcpy(nfile + r, file, n); |
| 208 |
#else |
| 209 |
const apr_size_t r = 0; |
| 210 |
if (n > 256) { |
| 211 |
file += n - 256; |
| 212 |
n = 256; |
| 213 |
} |
| 214 |
nfile = apr_pmemdup(pool, file, n); |
| 215 |
#endif |
| 216 |
for (ch = nfile + r; *ch; ++ch) { |
| 217 |
if (*ch == ':' || *ch == '/' || *ch == '\\') |
| 218 |
*ch = '_'; |
| 219 |
} |
| 220 |
return nfile; |
| 221 |
} |
| 222 |
#endif |
| 223 |
} |
| 224 |
|
| 225 |
#if APR_HAS_UNICODE_FS |
| 226 |
static apr_status_t make_sparse_file(apr_file_t *file) |
| 227 |
{ |
| 228 |
BY_HANDLE_FILE_INFORMATION info; |
| 229 |
apr_status_t rv; |
| 230 |
DWORD bytesread = 0; |
| 231 |
DWORD res; |
| 232 |
|
| 233 |
/* test */ |
| 234 |
|
| 235 |
if (GetFileInformationByHandle(file->filehand, &info) |
| 236 |
&& (info.dwFileAttributes & FILE_ATTRIBUTE_SPARSE_FILE)) |
| 237 |
return APR_SUCCESS; |
| 238 |
|
| 239 |
if (file->pOverlapped) { |
| 240 |
file->pOverlapped->Offset = 0; |
| 241 |
file->pOverlapped->OffsetHigh = 0; |
| 242 |
} |
| 243 |
|
| 244 |
if (DeviceIoControl(file->filehand, FSCTL_SET_SPARSE, NULL, 0, NULL, 0, |
| 245 |
&bytesread, file->pOverlapped)) { |
| 246 |
rv = APR_SUCCESS; |
| 247 |
} |
| 248 |
else |
| 249 |
{ |
| 250 |
rv = apr_get_os_error(); |
| 251 |
|
| 252 |
if (rv == APR_FROM_OS_ERROR(ERROR_IO_PENDING)) |
| 253 |
{ |
| 254 |
do { |
| 255 |
res = WaitForSingleObject(file->pOverlapped->hEvent, |
| 256 |
(file->timeout > 0) |
| 257 |
? (DWORD)(file->timeout/1000) |
| 258 |
: ((file->timeout == -1) |
| 259 |
? INFINITE : 0)); |
| 260 |
} while (res == WAIT_ABANDONED); |
| 261 |
|
| 262 |
if (res != WAIT_OBJECT_0) { |
| 263 |
CancelIo(file->filehand); |
| 264 |
} |
| 265 |
|
| 266 |
if (GetOverlappedResult(file->filehand, file->pOverlapped, |
| 267 |
&bytesread, TRUE)) |
| 268 |
rv = APR_SUCCESS; |
| 269 |
else |
| 270 |
rv = apr_get_os_error(); |
| 271 |
} |
| 272 |
} |
| 273 |
return rv; |
| 274 |
} |
| 275 |
#endif |
| 276 |
|
| 277 |
apr_status_t file_cleanup(void *thefile) |
| 278 |
{ |
| 279 |
apr_file_t *file = thefile; |
| 280 |
apr_status_t flush_rv = APR_SUCCESS; |
| 281 |
|
| 282 |
if (file->filehand != INVALID_HANDLE_VALUE) { |
| 283 |
|
| 284 |
if (file->buffered) { |
| 285 |
/* XXX: flush here is not mutex protected */ |
| 286 |
flush_rv = apr_file_flush((apr_file_t *)thefile); |
| 287 |
} |
| 288 |
|
| 289 |
/* In order to avoid later segfaults with handle 'reuse', |
| 290 |
* we must protect against the case that a dup2'ed handle |
| 291 |
* is being closed, and invalidate the corresponding StdHandle |
| 292 |
* We also tell msvcrt when stdhandles are closed. |
| 293 |
*/ |
| 294 |
if (file->flags & APR_STD_FLAGS) |
| 295 |
{ |
| 296 |
if ((file->flags & APR_STD_FLAGS) == APR_STDERR_FLAG) { |
| 297 |
_close(2); |
| 298 |
SetStdHandle(STD_ERROR_HANDLE, INVALID_HANDLE_VALUE); |
| 299 |
} |
| 300 |
else if ((file->flags & APR_STD_FLAGS) == APR_STDOUT_FLAG) { |
| 301 |
_close(1); |
| 302 |
SetStdHandle(STD_OUTPUT_HANDLE, INVALID_HANDLE_VALUE); |
| 303 |
} |
| 304 |
else if ((file->flags & APR_STD_FLAGS) == APR_STDIN_FLAG) { |
| 305 |
_close(0); |
| 306 |
SetStdHandle(STD_INPUT_HANDLE, INVALID_HANDLE_VALUE); |
| 307 |
} |
| 308 |
} |
| 309 |
else |
| 310 |
CloseHandle(file->filehand); |
| 311 |
|
| 312 |
file->filehand = INVALID_HANDLE_VALUE; |
| 313 |
} |
| 314 |
if (file->pOverlapped && file->pOverlapped->hEvent) { |
| 315 |
CloseHandle(file->pOverlapped->hEvent); |
| 316 |
file->pOverlapped = NULL; |
| 317 |
} |
| 318 |
return flush_rv; |
| 319 |
} |
| 320 |
|
| 321 |
APR_DECLARE(apr_status_t) apr_file_open(apr_file_t **new, const char *fname, |
| 322 |
apr_int32_t flag, apr_fileperms_t perm, |
| 323 |
apr_pool_t *pool) |
| 324 |
{ |
| 325 |
HANDLE handle = INVALID_HANDLE_VALUE; |
| 326 |
DWORD oflags = 0; |
| 327 |
DWORD createflags = 0; |
| 328 |
DWORD attributes = 0; |
| 329 |
DWORD sharemode = FILE_SHARE_READ | FILE_SHARE_WRITE; |
| 330 |
apr_status_t rv; |
| 331 |
|
| 332 |
if (flag & APR_FOPEN_NONBLOCK) { |
| 333 |
return APR_ENOTIMPL; |
| 334 |
} |
| 335 |
if (flag & APR_FOPEN_READ) { |
| 336 |
oflags |= GENERIC_READ; |
| 337 |
} |
| 338 |
if (flag & APR_FOPEN_WRITE) { |
| 339 |
oflags |= GENERIC_WRITE; |
| 340 |
} |
| 341 |
if (flag & APR_WRITEATTRS) { |
| 342 |
oflags |= FILE_WRITE_ATTRIBUTES; |
| 343 |
} |
| 344 |
|
| 345 |
if (apr_os_level >= APR_WIN_NT) |
| 346 |
sharemode |= FILE_SHARE_DELETE; |
| 347 |
|
| 348 |
if (flag & APR_FOPEN_CREATE) { |
| 349 |
if (flag & APR_FOPEN_EXCL) { |
| 350 |
/* only create new if file does not already exist */ |
| 351 |
createflags = CREATE_NEW; |
| 352 |
} else if (flag & APR_FOPEN_TRUNCATE) { |
| 353 |
/* truncate existing file or create new */ |
| 354 |
createflags = CREATE_ALWAYS; |
| 355 |
} else { |
| 356 |
/* open existing but create if necessary */ |
| 357 |
createflags = OPEN_ALWAYS; |
| 358 |
} |
| 359 |
} else if (flag & APR_FOPEN_TRUNCATE) { |
| 360 |
/* only truncate if file already exists */ |
| 361 |
createflags = TRUNCATE_EXISTING; |
| 362 |
} else { |
| 363 |
/* only open if file already exists */ |
| 364 |
createflags = OPEN_EXISTING; |
| 365 |
} |
| 366 |
|
| 367 |
if ((flag & APR_FOPEN_EXCL) && !(flag & APR_FOPEN_CREATE)) { |
| 368 |
return APR_EACCES; |
| 369 |
} |
| 370 |
|
| 371 |
if (flag & APR_FOPEN_DELONCLOSE) { |
| 372 |
attributes |= FILE_FLAG_DELETE_ON_CLOSE; |
| 373 |
} |
| 374 |
|
| 375 |
if (flag & APR_OPENLINK) { |
| 376 |
attributes |= FILE_FLAG_OPEN_REPARSE_POINT; |
| 377 |
} |
| 378 |
|
| 379 |
/* Without READ or WRITE, we fail unless apr called apr_file_open |
| 380 |
* internally with the private APR_OPENINFO flag. |
| 381 |
* |
| 382 |
* With the APR_OPENINFO flag on NT, use the option flag |
| 383 |
* FILE_FLAG_BACKUP_SEMANTICS to allow us to open directories. |
| 384 |
* See the static resolve_ident() fn in file_io/win32/filestat.c |
| 385 |
*/ |
| 386 |
if (!(flag & (APR_FOPEN_READ | APR_FOPEN_WRITE))) { |
| 387 |
if (flag & APR_OPENINFO) { |
| 388 |
if (apr_os_level >= APR_WIN_NT) { |
| 389 |
attributes |= FILE_FLAG_BACKUP_SEMANTICS; |
| 390 |
} |
| 391 |
} |
| 392 |
else { |
| 393 |
return APR_EACCES; |
| 394 |
} |
| 395 |
if (flag & APR_READCONTROL) |
| 396 |
oflags |= READ_CONTROL; |
| 397 |
} |
| 398 |
|
| 399 |
if (flag & APR_FOPEN_XTHREAD) { |
| 400 |
/* This win32 specific feature is required |
| 401 |
* to allow multiple threads to work with the file. |
| 402 |
*/ |
| 403 |
attributes |= FILE_FLAG_OVERLAPPED; |
| 404 |
} |
| 405 |
|
| 406 |
#if APR_HAS_UNICODE_FS |
| 407 |
IF_WIN_OS_IS_UNICODE |
| 408 |
{ |
| 409 |
apr_wchar_t wfname[APR_PATH_MAX]; |
| 410 |
|
| 411 |
if (flag & APR_FOPEN_SENDFILE_ENABLED) { |
| 412 |
/* This feature is required to enable sendfile operations |
| 413 |
* against the file on Win32. Also implies APR_FOPEN_XTHREAD. |
| 414 |
*/ |
| 415 |
flag |= APR_FOPEN_XTHREAD; |
| 416 |
attributes |= FILE_FLAG_SEQUENTIAL_SCAN | FILE_FLAG_OVERLAPPED; |
| 417 |
} |
| 418 |
|
| 419 |
if ((rv = utf8_to_unicode_path(wfname, sizeof(wfname) |
| 420 |
/ sizeof(apr_wchar_t), fname))) |
| 421 |
return rv; |
| 422 |
handle = CreateFileW(wfname, oflags, sharemode, |
| 423 |
NULL, createflags, attributes, 0); |
| 424 |
} |
| 425 |
#endif |
| 426 |
#if APR_HAS_ANSI_FS |
| 427 |
ELSE_WIN_OS_IS_ANSI { |
| 428 |
handle = CreateFileA(fname, oflags, sharemode, |
| 429 |
NULL, createflags, attributes, 0); |
| 430 |
/* This feature is not supported on this platform. */ |
| 431 |
flag &= ~APR_FOPEN_SENDFILE_ENABLED; |
| 432 |
} |
| 433 |
#endif |
| 434 |
if (handle == INVALID_HANDLE_VALUE) { |
| 435 |
return apr_get_os_error(); |
| 436 |
} |
| 437 |
|
| 438 |
(*new) = (apr_file_t *)apr_pcalloc(pool, sizeof(apr_file_t)); |
| 439 |
(*new)->pool = pool; |
| 440 |
(*new)->filehand = handle; |
| 441 |
(*new)->fname = apr_pstrdup(pool, fname); |
| 442 |
(*new)->flags = flag; |
| 443 |
(*new)->timeout = -1; |
| 444 |
(*new)->ungetchar = -1; |
| 445 |
|
| 446 |
if (flag & APR_FOPEN_APPEND) { |
| 447 |
(*new)->append = 1; |
| 448 |
SetFilePointer((*new)->filehand, 0, NULL, FILE_END); |
| 449 |
} |
| 450 |
if (flag & APR_FOPEN_BUFFERED) { |
| 451 |
(*new)->buffered = 1; |
| 452 |
(*new)->buffer = apr_palloc(pool, APR_FILE_DEFAULT_BUFSIZE); |
| 453 |
(*new)->bufsize = APR_FILE_DEFAULT_BUFSIZE; |
| 454 |
} |
| 455 |
/* Need the mutex to handled buffered and O_APPEND style file i/o */ |
| 456 |
if ((*new)->buffered || (*new)->append) { |
| 457 |
rv = apr_thread_mutex_create(&(*new)->mutex, |
| 458 |
APR_THREAD_MUTEX_DEFAULT, pool); |
| 459 |
if (rv) { |
| 460 |
if (file_cleanup(*new) == APR_SUCCESS) { |
| 461 |
apr_pool_cleanup_kill(pool, *new, file_cleanup); |
| 462 |
} |
| 463 |
return rv; |
| 464 |
} |
| 465 |
} |
| 466 |
|
| 467 |
#if APR_HAS_UNICODE_FS |
| 468 |
if ((apr_os_level >= APR_WIN_2000) && ((*new)->flags & APR_FOPEN_SPARSE)) { |
| 469 |
if ((rv = make_sparse_file(*new)) != APR_SUCCESS) |
| 470 |
/* The great mystery; do we close the file and return an error? |
| 471 |
* Do we add a new APR_INCOMPLETE style error saying opened, but |
| 472 |
* NOTSPARSE? For now let's simply mark the file as not-sparse. |
| 473 |
*/ |
| 474 |
(*new)->flags &= ~APR_FOPEN_SPARSE; |
| 475 |
} |
| 476 |
else |
| 477 |
#endif |
| 478 |
/* This feature is not supported on this platform. */ |
| 479 |
(*new)->flags &= ~APR_FOPEN_SPARSE; |
| 480 |
|
| 481 |
#if APR_FILES_AS_SOCKETS |
| 482 |
/* Create a pollset with room for one descriptor. */ |
| 483 |
/* ### check return codes */ |
| 484 |
(void) apr_pollset_create(&(*new)->pollset, 1, pool, 0); |
| 485 |
#endif |
| 486 |
if (!(flag & APR_FOPEN_NOCLEANUP)) { |
| 487 |
apr_pool_cleanup_register((*new)->pool, (void *)(*new), file_cleanup, |
| 488 |
apr_pool_cleanup_null); |
| 489 |
} |
| 490 |
return APR_SUCCESS; |
| 491 |
} |
| 492 |
|
| 493 |
APR_DECLARE(apr_status_t) apr_file_close(apr_file_t *file) |
| 494 |
{ |
| 495 |
apr_status_t stat; |
| 496 |
if ((stat = file_cleanup(file)) == APR_SUCCESS) { |
| 497 |
apr_pool_cleanup_kill(file->pool, file, file_cleanup); |
| 498 |
|
| 499 |
if (file->mutex) { |
| 500 |
apr_thread_mutex_destroy(file->mutex); |
| 501 |
} |
| 502 |
|
| 503 |
return APR_SUCCESS; |
| 504 |
} |
| 505 |
return stat; |
| 506 |
} |
| 507 |
|
| 508 |
APR_DECLARE(apr_status_t) apr_file_remove(const char *path, apr_pool_t *pool) |
| 509 |
{ |
| 510 |
#if APR_HAS_UNICODE_FS |
| 511 |
IF_WIN_OS_IS_UNICODE |
| 512 |
{ |
| 513 |
apr_wchar_t wpath[APR_PATH_MAX]; |
| 514 |
apr_status_t rv; |
| 515 |
if ((rv = utf8_to_unicode_path(wpath, sizeof(wpath) |
| 516 |
/ sizeof(apr_wchar_t), path))) { |
| 517 |
return rv; |
| 518 |
} |
| 519 |
if (DeleteFileW(wpath)) |
| 520 |
return APR_SUCCESS; |
| 521 |
} |
| 522 |
#endif |
| 523 |
#if APR_HAS_ANSI_FS |
| 524 |
ELSE_WIN_OS_IS_ANSI |
| 525 |
if (DeleteFile(path)) |
| 526 |
return APR_SUCCESS; |
| 527 |
#endif |
| 528 |
return apr_get_os_error(); |
| 529 |
} |
| 530 |
|
| 531 |
APR_DECLARE(apr_status_t) apr_file_rename(const char *frompath, |
| 532 |
const char *topath, |
| 533 |
apr_pool_t *pool) |
| 534 |
{ |
| 535 |
IF_WIN_OS_IS_UNICODE |
| 536 |
{ |
| 537 |
#if APR_HAS_UNICODE_FS |
| 538 |
apr_wchar_t wfrompath[APR_PATH_MAX], wtopath[APR_PATH_MAX]; |
| 539 |
apr_status_t rv; |
| 540 |
if ((rv = utf8_to_unicode_path(wfrompath, |
| 541 |
sizeof(wfrompath) / sizeof(apr_wchar_t), |
| 542 |
frompath))) { |
| 543 |
return rv; |
| 544 |
} |
| 545 |
if ((rv = utf8_to_unicode_path(wtopath, |
| 546 |
sizeof(wtopath) / sizeof(apr_wchar_t), |
| 547 |
topath))) { |
| 548 |
return rv; |
| 549 |
} |
| 550 |
#ifndef _WIN32_WCE |
| 551 |
if (MoveFileExW(wfrompath, wtopath, MOVEFILE_REPLACE_EXISTING | |
| 552 |
MOVEFILE_COPY_ALLOWED)) |
| 553 |
#else |
| 554 |
if (MoveFileW(wfrompath, wtopath)) |
| 555 |
#endif |
| 556 |
return APR_SUCCESS; |
| 557 |
#else |
| 558 |
if (MoveFileEx(frompath, topath, MOVEFILE_REPLACE_EXISTING | |
| 559 |
MOVEFILE_COPY_ALLOWED)) |
| 560 |
return APR_SUCCESS; |
| 561 |
#endif |
| 562 |
} |
| 563 |
#if APR_HAS_ANSI_FS |
| 564 |
ELSE_WIN_OS_IS_ANSI |
| 565 |
{ |
| 566 |
/* Windows 95 and 98 do not support MoveFileEx, so we'll use |
| 567 |
* the old MoveFile function. However, MoveFile requires that |
| 568 |
* the new file not already exist...so we have to delete that |
| 569 |
* file if it does. Perhaps we should back up the to-be-deleted |
| 570 |
* file in case something happens? |
| 571 |
*/ |
| 572 |
HANDLE handle = INVALID_HANDLE_VALUE; |
| 573 |
|
| 574 |
if ((handle = CreateFile(topath, GENERIC_WRITE, 0, 0, |
| 575 |
OPEN_EXISTING, 0, 0 )) != INVALID_HANDLE_VALUE ) |
| 576 |
{ |
| 577 |
CloseHandle(handle); |
| 578 |
if (!DeleteFile(topath)) |
| 579 |
return apr_get_os_error(); |
| 580 |
} |
| 581 |
if (MoveFile(frompath, topath)) |
| 582 |
return APR_SUCCESS; |
| 583 |
} |
| 584 |
#endif |
| 585 |
return apr_get_os_error(); |
| 586 |
} |
| 587 |
|
| 588 |
APR_DECLARE(apr_status_t) apr_file_link(const char *from_path, |
| 589 |
const char *to_path) |
| 590 |
{ |
| 591 |
apr_status_t rv = APR_SUCCESS; |
| 592 |
|
| 593 |
#if APR_HAS_UNICODE_FS |
| 594 |
IF_WIN_OS_IS_UNICODE |
| 595 |
{ |
| 596 |
apr_wchar_t wfrom_path[APR_PATH_MAX]; |
| 597 |
apr_wchar_t wto_path[APR_PATH_MAX]; |
| 598 |
|
| 599 |
if ((rv = utf8_to_unicode_path(wfrom_path, |
| 600 |
sizeof(wfrom_path) / sizeof(apr_wchar_t), |
| 601 |
from_path))) |
| 602 |
return rv; |
| 603 |
if ((rv = utf8_to_unicode_path(wto_path, |
| 604 |
sizeof(wto_path) / sizeof(apr_wchar_t), |
| 605 |
to_path))) |
| 606 |
return rv; |
| 607 |
|
| 608 |
if (!CreateHardLinkW(wto_path, wfrom_path, NULL)) |
| 609 |
return apr_get_os_error(); |
| 610 |
} |
| 611 |
#endif |
| 612 |
#if APR_HAS_ANSI_FS |
| 613 |
ELSE_WIN_OS_IS_ANSI { |
| 614 |
if (!CreateHardLinkA(to_path, from_path, NULL)) |
| 615 |
return apr_get_os_error(); |
| 616 |
} |
| 617 |
#endif |
| 618 |
return rv; |
| 619 |
} |
| 620 |
|
| 621 |
APR_DECLARE(apr_status_t) apr_os_file_get(apr_os_file_t *thefile, |
| 622 |
apr_file_t *file) |
| 623 |
{ |
| 624 |
*thefile = file->filehand; |
| 625 |
return APR_SUCCESS; |
| 626 |
} |
| 627 |
|
| 628 |
APR_DECLARE(apr_status_t) apr_os_file_put(apr_file_t **file, |
| 629 |
apr_os_file_t *thefile, |
| 630 |
apr_int32_t flags, |
| 631 |
apr_pool_t *pool) |
| 632 |
{ |
| 633 |
(*file) = apr_pcalloc(pool, sizeof(apr_file_t)); |
| 634 |
(*file)->pool = pool; |
| 635 |
(*file)->filehand = *thefile; |
| 636 |
(*file)->ungetchar = -1; /* no char avail */ |
| 637 |
(*file)->timeout = -1; |
| 638 |
(*file)->flags = flags; |
| 639 |
|
| 640 |
if (flags & APR_FOPEN_APPEND) { |
| 641 |
(*file)->append = 1; |
| 642 |
} |
| 643 |
if (flags & APR_FOPEN_BUFFERED) { |
| 644 |
(*file)->buffered = 1; |
| 645 |
(*file)->buffer = apr_palloc(pool, APR_FILE_DEFAULT_BUFSIZE); |
| 646 |
(*file)->bufsize = APR_FILE_DEFAULT_BUFSIZE; |
| 647 |
} |
| 648 |
|
| 649 |
if ((*file)->append || (*file)->buffered) { |
| 650 |
apr_status_t rv; |
| 651 |
rv = apr_thread_mutex_create(&(*file)->mutex, |
| 652 |
APR_THREAD_MUTEX_DEFAULT, pool); |
| 653 |
if (rv) { |
| 654 |
return rv; |
| 655 |
} |
| 656 |
} |
| 657 |
|
| 658 |
#if APR_FILES_AS_SOCKETS |
| 659 |
/* Create a pollset with room for one descriptor. */ |
| 660 |
/* ### check return codes */ |
| 661 |
(void) apr_pollset_create(&(*file)->pollset, 1, pool, 0); |
| 662 |
#endif |
| 663 |
/* Should we be testing if thefile is a handle to |
| 664 |
* a PIPE and set up the mechanics appropriately? |
| 665 |
* |
| 666 |
* (*file)->pipe; |
| 667 |
*/ |
| 668 |
return APR_SUCCESS; |
| 669 |
} |
| 670 |
|
| 671 |
APR_DECLARE(apr_status_t) apr_file_eof(apr_file_t *fptr) |
| 672 |
{ |
| 673 |
if (fptr->eof_hit == 1) { |
| 674 |
return APR_EOF; |
| 675 |
} |
| 676 |
return APR_SUCCESS; |
| 677 |
} |
| 678 |
|
| 679 |
APR_DECLARE(apr_status_t) apr_file_open_flags_stderr(apr_file_t **thefile, |
| 680 |
apr_int32_t flags, |
| 681 |
apr_pool_t *pool) |
| 682 |
{ |
| 683 |
#ifdef _WIN32_WCE |
| 684 |
return APR_ENOTIMPL; |
| 685 |
#else |
| 686 |
apr_os_file_t file_handle; |
| 687 |
|
| 688 |
apr_set_os_error(APR_SUCCESS); |
| 689 |
file_handle = GetStdHandle(STD_ERROR_HANDLE); |
| 690 |
if (!file_handle) |
| 691 |
file_handle = INVALID_HANDLE_VALUE; |
| 692 |
|
| 693 |
return apr_os_file_put(thefile, &file_handle, |
| 694 |
flags | APR_FOPEN_WRITE | APR_STDERR_FLAG, pool); |
| 695 |
#endif |
| 696 |
} |
| 697 |
|
| 698 |
APR_DECLARE(apr_status_t) apr_file_open_flags_stdout(apr_file_t **thefile, |
| 699 |
apr_int32_t flags, |
| 700 |
apr_pool_t *pool) |
| 701 |
{ |
| 702 |
#ifdef _WIN32_WCE |
| 703 |
return APR_ENOTIMPL; |
| 704 |
#else |
| 705 |
apr_os_file_t file_handle; |
| 706 |
|
| 707 |
apr_set_os_error(APR_SUCCESS); |
| 708 |
file_handle = GetStdHandle(STD_OUTPUT_HANDLE); |
| 709 |
if (!file_handle) |
| 710 |
file_handle = INVALID_HANDLE_VALUE; |
| 711 |
|
| 712 |
return apr_os_file_put(thefile, &file_handle, |
| 713 |
flags | APR_FOPEN_WRITE | APR_STDOUT_FLAG, pool); |
| 714 |
#endif |
| 715 |
} |
| 716 |
|
| 717 |
APR_DECLARE(apr_status_t) apr_file_open_flags_stdin(apr_file_t **thefile, |
| 718 |
apr_int32_t flags, |
| 719 |
apr_pool_t *pool) |
| 720 |
{ |
| 721 |
#ifdef _WIN32_WCE |
| 722 |
return APR_ENOTIMPL; |
| 723 |
#else |
| 724 |
apr_os_file_t file_handle; |
| 725 |
|
| 726 |
apr_set_os_error(APR_SUCCESS); |
| 727 |
file_handle = GetStdHandle(STD_INPUT_HANDLE); |
| 728 |
if (!file_handle) |
| 729 |
file_handle = INVALID_HANDLE_VALUE; |
| 730 |
|
| 731 |
return apr_os_file_put(thefile, &file_handle, |
| 732 |
flags | APR_FOPEN_READ | APR_STDIN_FLAG, pool); |
| 733 |
#endif |
| 734 |
} |
| 735 |
|
| 736 |
APR_DECLARE(apr_status_t) apr_file_open_stderr(apr_file_t **thefile, apr_pool_t *pool) |
| 737 |
{ |
| 738 |
return apr_file_open_flags_stderr(thefile, 0, pool); |
| 739 |
} |
| 740 |
|
| 741 |
APR_DECLARE(apr_status_t) apr_file_open_stdout(apr_file_t **thefile, apr_pool_t *pool) |
| 742 |
{ |
| 743 |
return apr_file_open_flags_stdout(thefile, 0, pool); |
| 744 |
} |
| 745 |
|
| 746 |
APR_DECLARE(apr_status_t) apr_file_open_stdin(apr_file_t **thefile, apr_pool_t *pool) |
| 747 |
{ |
| 748 |
return apr_file_open_flags_stdin(thefile, 0, pool); |
| 749 |
} |
| 750 |
|
| 751 |
APR_POOL_IMPLEMENT_ACCESSOR(file); |
| 752 |
|
| 753 |
APR_IMPLEMENT_INHERIT_SET(file, flags, pool, file_cleanup) |
| 754 |
|
| 755 |
APR_IMPLEMENT_INHERIT_UNSET(file, flags, pool, file_cleanup) |
