diff options
Diffstat (limited to 'Modules/posixmodule.c')
-rw-r--r-- | Modules/posixmodule.c | 159 |
1 files changed, 149 insertions, 10 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index 5c67be6..3260c3d 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -792,7 +792,7 @@ time_t_to_FILE_TIME(int time_in, int nsec_in, FILETIME *out_ptr) /* XXX endianness */ __int64 out; out = time_in + secs_between_epochs; - out = out * 10000000 + nsec_in; + out = out * 10000000 + nsec_in / 100; memcpy(out_ptr, &out, sizeof(out)); } @@ -828,6 +828,106 @@ attribute_data_to_stat(WIN32_FILE_ATTRIBUTE_DATA *info, struct win32_stat *resul return 0; } +/* Emulate GetFileAttributesEx[AW] on Windows 95 */ +static int checked = 0; +static BOOL (CALLBACK *gfaxa)(LPCSTR, GET_FILEEX_INFO_LEVELS, LPVOID); +static BOOL (CALLBACK *gfaxw)(LPCWSTR, GET_FILEEX_INFO_LEVELS, LPVOID); +static void +check_gfax() +{ + HINSTANCE hKernel32; + if (checked) + return; + checked = 1; + hKernel32 = GetModuleHandle("KERNEL32"); + *(FARPROC*)&gfaxa = GetProcAddress(hKernel32, "GetFileAttributesExA"); + *(FARPROC*)&gfaxw = GetProcAddress(hKernel32, "GetFileAttributesExW"); +} + +static BOOL WINAPI +Py_GetFileAttributesExA(LPCSTR pszFile, + GET_FILEEX_INFO_LEVELS level, + LPVOID pv) +{ + BOOL result; + HANDLE hFindFile; + WIN32_FIND_DATAA FileData; + LPWIN32_FILE_ATTRIBUTE_DATA pfad = pv; + /* First try to use the system's implementation, if that is + available and either succeeds to gives an error other than + that it isn't implemented. */ + check_gfax(); + if (gfaxa) { + result = gfaxa(pszFile, level, pv); + if (result || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return result; + } + /* It's either not present, or not implemented. + Emulate using FindFirstFile. */ + if (level != GetFileExInfoStandard) { + SetLastError(ERROR_INVALID_PARAMETER); + return FALSE; + } + /* Use GetFileAttributes to validate that the file name + does not contain wildcards (which FindFirstFile would + accept). */ + if (GetFileAttributesA(pszFile) == 0xFFFFFFFF) + return FALSE; + hFindFile = FindFirstFileA(pszFile, &FileData); + if (hFindFile == INVALID_HANDLE_VALUE) + return FALSE; + FindClose(hFindFile); + pfad->dwFileAttributes = FileData.dwFileAttributes; + pfad->ftCreationTime = FileData.ftCreationTime; + pfad->ftLastAccessTime = FileData.ftLastAccessTime; + pfad->ftLastWriteTime = FileData.ftLastWriteTime; + pfad->nFileSizeHigh = FileData.nFileSizeHigh; + pfad->nFileSizeLow = FileData.nFileSizeLow; + return TRUE; +} + +static BOOL WINAPI +Py_GetFileAttributesExW(LPCWSTR pszFile, + GET_FILEEX_INFO_LEVELS level, + LPVOID pv) +{ + BOOL result; + HANDLE hFindFile; + WIN32_FIND_DATAW FileData; + LPWIN32_FILE_ATTRIBUTE_DATA pfad = pv; + /* First try to use the system's implementation, if that is + available and either succeeds to gives an error other than + that it isn't implemented. */ + check_gfax(); + if (gfaxa) { + result = gfaxw(pszFile, level, pv); + if (result || GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) + return result; + } + /* It's either not present, or not implemented. + Emulate using FindFirstFile. */ + if (level != GetFileExInfoStandard) { + SetLastError(ERROR_INVALID_PARAMETER); + return FALSE; + } + /* Use GetFileAttributes to validate that the file name + does not contain wildcards (which FindFirstFile would + accept). */ + if (GetFileAttributesW(pszFile) == 0xFFFFFFFF) + return FALSE; + hFindFile = FindFirstFileW(pszFile, &FileData); + if (hFindFile == INVALID_HANDLE_VALUE) + return FALSE; + FindClose(hFindFile); + pfad->dwFileAttributes = FileData.dwFileAttributes; + pfad->ftCreationTime = FileData.ftCreationTime; + pfad->ftLastAccessTime = FileData.ftLastAccessTime; + pfad->ftLastWriteTime = FileData.ftLastWriteTime; + pfad->nFileSizeHigh = FileData.nFileSizeHigh; + pfad->nFileSizeLow = FileData.nFileSizeLow; + return TRUE; +} + static int win32_stat(const char* path, struct win32_stat *result) { @@ -835,7 +935,7 @@ win32_stat(const char* path, struct win32_stat *result) int code; char *dot; /* XXX not supported on Win95 and NT 3.x */ - if (!GetFileAttributesExA(path, GetFileExInfoStandard, &info)) { + if (!Py_GetFileAttributesExA(path, GetFileExInfoStandard, &info)) { /* Protocol violation: we explicitly clear errno, instead of setting it to a POSIX error. Callers should use GetLastError. */ errno = 0; @@ -863,7 +963,7 @@ win32_wstat(const wchar_t* path, struct win32_stat *result) const wchar_t *dot; WIN32_FILE_ATTRIBUTE_DATA info; /* XXX not supported on Win95 and NT 3.x */ - if (!GetFileAttributesExW(path, GetFileExInfoStandard, &info)) { + if (!Py_GetFileAttributesExW(path, GetFileExInfoStandard, &info)) { /* Protocol violation: we explicitly clear errno, instead of setting it to a POSIX error. Callers should use GetLastError. */ errno = 0; @@ -2458,7 +2558,8 @@ posix_utime(PyObject *self, PyObject *args) wpath = PyUnicode_AS_UNICODE(obwpath); Py_BEGIN_ALLOW_THREADS hFile = CreateFileW(wpath, FILE_WRITE_ATTRIBUTES, 0, - NULL, OPEN_EXISTING, 0, NULL); + NULL, OPEN_EXISTING, + FILE_FLAG_BACKUP_SEMANTICS, NULL); Py_END_ALLOW_THREADS if (hFile == INVALID_HANDLE_VALUE) return win32_error_unicode("utime", wpath); @@ -2473,7 +2574,8 @@ posix_utime(PyObject *self, PyObject *args) return NULL; Py_BEGIN_ALLOW_THREADS hFile = CreateFileA(apath, FILE_WRITE_ATTRIBUTES, 0, - NULL, OPEN_EXISTING, 0, NULL); + NULL, OPEN_EXISTING, + FILE_FLAG_BACKUP_SEMANTICS, NULL); Py_END_ALLOW_THREADS if (hFile == INVALID_HANDLE_VALUE) { win32_error("utime", apath); @@ -2501,11 +2603,11 @@ posix_utime(PyObject *self, PyObject *args) if (extract_time(PyTuple_GET_ITEM(arg, 0), &atimesec, &ausec) == -1) goto done; - time_t_to_FILE_TIME(atimesec, ausec, &atime); + time_t_to_FILE_TIME(atimesec, 1000*ausec, &atime); if (extract_time(PyTuple_GET_ITEM(arg, 1), &mtimesec, &musec) == -1) goto done; - time_t_to_FILE_TIME(mtimesec, musec, &mtime); + time_t_to_FILE_TIME(mtimesec, 1000*musec, &mtime); } if (!SetFileTime(hFile, NULL, &atime, &mtime)) { /* Avoid putting the file name into the error here, @@ -5585,17 +5687,53 @@ Return a string representing the path to which the symbolic link points."); static PyObject * posix_readlink(PyObject *self, PyObject *args) { + PyObject* v; char buf[MAXPATHLEN]; char *path; int n; - if (!PyArg_ParseTuple(args, "s:readlink", &path)) +#ifdef Py_USING_UNICODE + int arg_is_unicode = 0; +#endif + + if (!PyArg_ParseTuple(args, "et:readlink", + Py_FileSystemDefaultEncoding, &path)) return NULL; +#ifdef Py_USING_UNICODE + v = PySequence_GetItem(args, 0); + if (v == NULL) return NULL; + + if (PyUnicode_Check(v)) { + arg_is_unicode = 1; + } + Py_DECREF(v); +#endif + Py_BEGIN_ALLOW_THREADS n = readlink(path, buf, (int) sizeof buf); Py_END_ALLOW_THREADS if (n < 0) return posix_error_with_filename(path); - return PyString_FromStringAndSize(buf, n); + + v = PyString_FromStringAndSize(buf, n); +#ifdef Py_USING_UNICODE + if (arg_is_unicode) { + PyObject *w; + + w = PyUnicode_FromEncodedObject(v, + Py_FileSystemDefaultEncoding, + "strict"); + if (w != NULL) { + Py_DECREF(v); + v = w; + } + else { + /* fall back to the original byte string, as + discussed in patch #683592 */ + PyErr_Clear(); + } + } +#endif + return v; } #endif /* HAVE_READLINK */ @@ -7877,7 +8015,7 @@ win32_urandom(PyObject *self, PyObject *args) pCryptGenRandom = (CRYPTGENRANDOM)GetProcAddress( hAdvAPI32, "CryptGenRandom"); - if (pCryptAcquireContext == NULL) + if (pCryptGenRandom == NULL) return PyErr_Format(PyExc_NotImplementedError, "CryptGenRandom not found"); @@ -8617,3 +8755,4 @@ INITFUNC(void) } #endif + |