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winutil.c
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winutil.c
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/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <[email protected]> |
* Pierre Joye <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "winutil.h"
#include <wincrypt.h>
#include <lmcons.h>
PHP_WINUTIL_API char *php_win32_error_to_msg(HRESULT error)
{
char *buf = NULL;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)&buf, 0, NULL
);
return (buf ? (char *) buf : "");
}
int php_win32_check_trailing_space(const char * path, const int path_len) {
if (path_len < 1) {
return 1;
}
if (path) {
if (path[0] == ' ' || path[path_len - 1] == ' ') {
return 0;
} else {
return 1;
}
} else {
return 0;
}
}
HCRYPTPROV hCryptProv;
unsigned int has_crypto_ctx = 0;
#ifdef ZTS
MUTEX_T php_lock_win32_cryptoctx;
void php_win32_init_rng_lock()
{
php_lock_win32_cryptoctx = tsrm_mutex_alloc();
}
void php_win32_free_rng_lock()
{
tsrm_mutex_lock(php_lock_win32_cryptoctx);
if (has_crypto_ctx == 1) {
CryptReleaseContext(hCryptProv, 0);
has_crypto_ctx = 0;
}
tsrm_mutex_unlock(php_lock_win32_cryptoctx);
tsrm_mutex_free(php_lock_win32_cryptoctx);
}
#else
#define php_win32_init_rng_lock();
#define php_win32_free_rng_lock();
#endif
PHP_WINUTIL_API int php_win32_get_random_bytes(unsigned char *buf, size_t size) { /* {{{ */
BOOL ret;
#ifdef ZTS
tsrm_mutex_lock(php_lock_win32_cryptoctx);
#endif
if (has_crypto_ctx == 0) {
/* CRYPT_VERIFYCONTEXT > only hashing&co-like use, no need to acces prv keys */
if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_MACHINE_KEYSET|CRYPT_VERIFYCONTEXT )) {
/* Could mean that the key container does not exist, let try
again by asking for a new one. If it fails here, it surely means that the user running
this process does not have the permission(s) to use this container.
*/
if (GetLastError() == NTE_BAD_KEYSET) {
if (CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET | CRYPT_MACHINE_KEYSET | CRYPT_VERIFYCONTEXT )) {
has_crypto_ctx = 1;
} else {
has_crypto_ctx = 0;
}
}
} else {
has_crypto_ctx = 1;
}
}
#ifdef ZTS
tsrm_mutex_unlock(php_lock_win32_cryptoctx);
#endif
if (has_crypto_ctx == 0) {
return FAILURE;
}
/* XXX should go in the loop if size exceeds UINT_MAX */
ret = CryptGenRandom(hCryptProv, (DWORD)size, buf);
if (ret) {
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
/*
* This functions based on the code from the UNIXem project under
* the BSD like license. Modified for PHP by [email protected]
*
* Home: http://synesis.com.au/software/
*
* Copyright (c) 2005-2010, Matthew Wilson and Synesis Software
*/
PHP_WINUTIL_API int php_win32_code_to_errno(unsigned long w32Err)
{
size_t i;
struct code_to_errno_map
{
unsigned long w32Err;
int eerrno;
};
static const struct code_to_errno_map errmap[] =
{
/* 1 */ { ERROR_INVALID_FUNCTION , EINVAL }
/* 2 */ , { ERROR_FILE_NOT_FOUND , ENOENT }
/* 3 */ , { ERROR_PATH_NOT_FOUND , ENOENT }
/* 4 */ , { ERROR_TOO_MANY_OPEN_FILES , EMFILE }
/* 5 */ , { ERROR_ACCESS_DENIED , EACCES }
/* 6 */ , { ERROR_INVALID_HANDLE , EBADF }
/* 7 */ , { ERROR_ARENA_TRASHED , ENOMEM }
/* 8 */ , { ERROR_NOT_ENOUGH_MEMORY , ENOMEM }
/* 9 */ , { ERROR_INVALID_BLOCK , ENOMEM }
/* 10 */ , { ERROR_BAD_ENVIRONMENT , E2BIG }
/* 11 */ , { ERROR_BAD_FORMAT , ENOEXEC }
/* 12 */ , { ERROR_INVALID_ACCESS , EINVAL }
/* 13 */ , { ERROR_INVALID_DATA , EINVAL }
/* 14 */ , { ERROR_OUTOFMEMORY , ENOMEM }
/* 15 */ , { ERROR_INVALID_DRIVE , ENOENT }
/* 16 */ , { ERROR_CURRENT_DIRECTORY , ECURDIR }
/* 17 */ , { ERROR_NOT_SAME_DEVICE , EXDEV }
/* 18 */ , { ERROR_NO_MORE_FILES , ENOENT }
/* 19 */ , { ERROR_WRITE_PROTECT , EROFS }
/* 20 */ , { ERROR_BAD_UNIT , ENXIO }
/* 21 */ , { ERROR_NOT_READY , EBUSY }
/* 22 */ , { ERROR_BAD_COMMAND , EIO }
/* 23 */ , { ERROR_CRC , EIO }
/* 24 */ , { ERROR_BAD_LENGTH , EIO }
/* 25 */ , { ERROR_SEEK , EIO }
/* 26 */ , { ERROR_NOT_DOS_DISK , EIO }
/* 27 */ , { ERROR_SECTOR_NOT_FOUND , ENXIO }
/* 28 */ , { ERROR_OUT_OF_PAPER , EBUSY }
/* 29 */ , { ERROR_WRITE_FAULT , EIO }
/* 30 */ , { ERROR_READ_FAULT , EIO }
/* 31 */ , { ERROR_GEN_FAILURE , EIO }
/* 32 */ , { ERROR_SHARING_VIOLATION , EAGAIN }
/* 33 */ , { ERROR_LOCK_VIOLATION , EACCES }
/* 34 */ , { ERROR_WRONG_DISK , ENXIO }
/* 35 */ , { 35 , ENFILE }
/* 36 */ , { ERROR_SHARING_BUFFER_EXCEEDED , ENFILE }
/* 37 */ , { ERROR_HANDLE_EOF , EINVAL }
/* 38 */ , { ERROR_HANDLE_DISK_FULL , ENOSPC }
#if 0
/* 39 */ , { 0 , 0 }
/* 40 */ , { 0 , 0 }
/* 41 */ , { 0 , 0 }
/* 42 */ , { 0 , 0 }
/* 43 */ , { 0 , 0 }
/* 44 */ , { 0 , 0 }
/* 45 */ , { 0 , 0 }
/* 46 */ , { 0 , 0 }
/* 47 */ , { 0 , 0 }
/* 48 */ , { 0 , 0 }
/* 49 */ , { 0 , 0 }
#endif
/* 50 */ , { ERROR_NOT_SUPPORTED , ENOSYS }
#if 0
/* 51 */ , { 0 , 0 }
/* 52 */ , { 0 , 0 }
#endif
/* 53 */ , { ERROR_BAD_NETPATH , ENOENT }
#if 0
/* 54 */ , { 0 , 0 }
/* 55 */ , { 0 , 0 }
/* 56 */ , { 0 , 0 }
/* 57 */ , { 0 , 0 }
/* 58 */ , { 0 , 0 }
/* 59 */ , { 0 , 0 }
/* 60 */ , { 0 , 0 }
/* 61 */ , { 0 , 0 }
/* 62 */ , { 0 , 0 }
/* 63 */ , { 0 , 0 }
/* 64 */ , { 0 , 0 }
#endif
/* 65 */ , { ERROR_NETWORK_ACCESS_DENIED , EACCES }
#if 0
/* 66 */ , { 0 , 0 }
#endif
/* 67 */ , { ERROR_BAD_NET_NAME , ENOENT }
#if 0
/* 68 */ , { 0 , 0 }
/* 69 */ , { 0 , 0 }
/* 70 */ , { 0 , 0 }
/* 71 */ , { 0 , 0 }
/* 72 */ , { 0 , 0 }
/* 73 */ , { 0 , 0 }
/* 74 */ , { 0 , 0 }
/* 75 */ , { 0 , 0 }
/* 76 */ , { 0 , 0 }
/* 77 */ , { 0 , 0 }
/* 78 */ , { 0 , 0 }
/* 79 */ , { 0 , 0 }
#endif
/* 80 */ , { ERROR_FILE_EXISTS , EEXIST }
#if 0
/* 81 */ , { 0 , 0 }
#endif
/* 82 */ , { ERROR_CANNOT_MAKE , EACCES }
/* 83 */ , { ERROR_FAIL_I24 , EACCES }
#if 0
/* 84 */ , { 0 , 0 }
/* 85 */ , { 0 , 0 }
/* 86 */ , { 0 , 0 }
#endif
/* 87 */ , { ERROR_INVALID_PARAMETER , EINVAL }
#if 0
/* 88 */ , { 0 , 0 }
#endif
/* 89 */ , { ERROR_NO_PROC_SLOTS , EAGAIN }
#if 0
/* 90 */ , { 0 , 0 }
/* 91 */ , { 0 , 0 }
/* 92 */ , { 0 , 0 }
/* 93 */ , { 0 , 0 }
/* 94 */ , { 0 , 0 }
/* 95 */ , { 0 , 0 }
/* 96 */ , { 0 , 0 }
/* 97 */ , { 0 , 0 }
/* 98 */ , { 0 , 0 }
/* 99 */ , { 0 , 0 }
/* 100 */ , { 0 , 0 }
/* 101 */ , { 0 , 0 }
/* 102 */ , { 0 , 0 }
/* 103 */ , { 0 , 0 }
/* 104 */ , { 0 , 0 }
/* 105 */ , { 0 , 0 }
/* 106 */ , { 0 , 0 }
/* 107 */ , { 0 , 0 }
#endif
/* 108 */ , { ERROR_DRIVE_LOCKED , EACCES }
/* 109 */ , { ERROR_BROKEN_PIPE , EPIPE }
#if 0
/* 110 */ , { 0 , 0 }
#endif
/* 111 */ , { ERROR_BUFFER_OVERFLOW , ENAMETOOLONG }
/* 112 */ , { ERROR_DISK_FULL , ENOSPC }
#if 0
/* 113 */ , { 0 , 0 }
#endif
/* 114 */ , { ERROR_INVALID_TARGET_HANDLE , EBADF }
#if 0
/* 115 */ , { 0 , 0 }
/* 116 */ , { 0 , 0 }
/* 117 */ , { 0 , 0 }
/* 118 */ , { 0 , 0 }
/* 119 */ , { 0 , 0 }
/* 120 */ , { 0 , 0 }
/* 121 */ , { 0 , 0 }
#endif
/* 122 */ , { ERROR_INSUFFICIENT_BUFFER , ERANGE }
/* 123 */ , { ERROR_INVALID_NAME , ENOENT }
/* 124 */ , { ERROR_INVALID_HANDLE , EINVAL }
#if 0
/* 125 */ , { 0 , 0 }
/* 126 */ , { 0 , 0 }
/* 127 */ , { 0 , 0 }
#endif
/* 128 */ , { ERROR_WAIT_NO_CHILDREN , ECHILD }
/* 129 */ , { ERROR_CHILD_NOT_COMPLETE , ECHILD }
/* 130 */ , { ERROR_DIRECT_ACCESS_HANDLE , EBADF }
/* 131 */ , { ERROR_NEGATIVE_SEEK , EINVAL }
/* 132 */ , { ERROR_SEEK_ON_DEVICE , EACCES }
#if 0
/* 133 */ , { 0 , 0 }
/* 134 */ , { 0 , 0 }
/* 135 */ , { 0 , 0 }
/* 136 */ , { 0 , 0 }
/* 137 */ , { 0 , 0 }
/* 138 */ , { 0 , 0 }
/* 139 */ , { 0 , 0 }
/* 140 */ , { 0 , 0 }
/* 141 */ , { 0 , 0 }
/* 142 */ , { 0 , 0 }
/* 143 */ , { 0 , 0 }
/* 144 */ , { 0 , 0 }
#endif
/* 145 */ , { ERROR_DIR_NOT_EMPTY , ENOTEMPTY }
#if 0
/* 146 */ , { 0 , 0 }
/* 147 */ , { 0 , 0 }
/* 148 */ , { 0 , 0 }
/* 149 */ , { 0 , 0 }
/* 150 */ , { 0 , 0 }
/* 151 */ , { 0 , 0 }
/* 152 */ , { 0 , 0 }
/* 153 */ , { 0 , 0 }
/* 154 */ , { 0 , 0 }
/* 155 */ , { 0 , 0 }
/* 156 */ , { 0 , 0 }
/* 157 */ , { 0 , 0 }
#endif
/* 158 */ , { ERROR_NOT_LOCKED , EACCES }
#if 0
/* 159 */ , { 0 , 0 }
/* 160 */ , { 0 , 0 }
#endif
/* 161 */ , { ERROR_BAD_PATHNAME , ENOENT }
#if 0
/* 162 */ , { 0 , 0 }
/* 163 */ , { 0 , 0 }
#endif
/* 164 */ , { ERROR_MAX_THRDS_REACHED , EAGAIN }
#if 0
/* 165 */ , { 0 , 0 }
/* 166 */ , { 0 , 0 }
#endif
/* 167 */ , { ERROR_LOCK_FAILED , EACCES }
#if 0
/* 168 */ , { 0 , 0 }
/* 169 */ , { 0 , 0 }
/* 170 */ , { 0 , 0 }
/* 171 */ , { 0 , 0 }
/* 172 */ , { 0 , 0 }
/* 173 */ , { 0 , 0 }
/* 174 */ , { 0 , 0 }
/* 175 */ , { 0 , 0 }
/* 176 */ , { 0 , 0 }
/* 177 */ , { 0 , 0 }
/* 178 */ , { 0 , 0 }
/* 179 */ , { 0 , 0 }
/* 180 */ , { 0 , 0 }
/* 181 */ , { 0 , 0 }
/* 182 */ , { 0 , 0 }
#endif
/* 183 */ , { ERROR_ALREADY_EXISTS , EEXIST }
#if 0
/* 184 */ , { 0 , 0 }
/* 185 */ , { 0 , 0 }
/* 186 */ , { 0 , 0 }
/* 187 */ , { 0 , 0 }
/* 188 */ , { 0 , 0 }
/* 189 */ , { 0 , 0 }
/* 190 */ , { 0 , 0 }
/* 191 */ , { 0 , 0 }
/* 192 */ , { 0 , 0 }
/* 193 */ , { 0 , 0 }
/* 194 */ , { 0 , 0 }
/* 195 */ , { 0 , 0 }
/* 196 */ , { 0 , 0 }
/* 197 */ , { 0 , 0 }
/* 198 */ , { 0 , 0 }
/* 199 */ , { 0 , 0 }
#endif
/* 206 */ , { ERROR_FILENAME_EXCED_RANGE , ENAMETOOLONG }
/* 215 */ , { ERROR_NESTING_NOT_ALLOWED , EAGAIN }
/* 258 */ , { WAIT_TIMEOUT, ETIME}
/* 267 */ , { ERROR_DIRECTORY , ENOTDIR }
/* 996 */ , { ERROR_IO_INCOMPLETE , EAGAIN }
/* 997 */ , { ERROR_IO_PENDING , EAGAIN }
/* 1004 */ , { ERROR_INVALID_FLAGS , EINVAL }
/* 1113 */ , { ERROR_NO_UNICODE_TRANSLATION , EINVAL }
/* 1168 */ , { ERROR_NOT_FOUND , ENOENT }
/* 1816 */ , { ERROR_NOT_ENOUGH_QUOTA , ENOMEM }
, { ERROR_ABANDONED_WAIT_0 , EIO }
};
for(i = 0; i < sizeof(errmap)/sizeof(struct code_to_errno_map); ++i)
{
if(w32Err == errmap[i].w32Err)
{
return errmap[i].eerrno;
}
}
assert(!"Unrecognised value");
return EINVAL;
}
PHP_WINUTIL_API char *php_win32_get_username(void)
{
wchar_t unamew[UNLEN + 1];
size_t uname_len;
char *uname;
DWORD unsize = UNLEN;
GetUserNameW(unamew, &unsize);
uname = php_win32_cp_conv_w_to_any(unamew, unsize - 1, &uname_len);
if (!uname) {
return NULL;
}
/* Ensure the length doesn't overflow. */
if (uname_len > UNLEN) {
uname[uname_len] = '\0';
}
return uname;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/