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Merge branch 'PHP-7.1' into PHP-7.2

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* PHP-7.1:
  Fixed RecursiveDirectoryIterator with long path or with edge case length
This commit is contained in:
Anatol Belski 2018-07-12 19:57:08 +02:00
commit f28aeaee05
2 changed files with 103 additions and 9 deletions
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47
win32/readdir.c
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@ -29,9 +29,9 @@ DIR *opendir(const char *dir)
DIR *dp;
wchar_t *filespecw, *resolvedw;
HANDLE handle;
int index;
char resolved_path_buff[MAXPATHLEN];
size_t resolvedw_len, filespecw_len;
size_t resolvedw_len, filespecw_len, index;
zend_bool might_need_prefix;
if (!VCWD_REALPATH(dir, resolved_path_buff)) {
return NULL;
@ -48,7 +48,12 @@ DIR *opendir(const char *dir)
return NULL;
}
might_need_prefix = resolvedw_len >= 3 && PHP_WIN32_IOUTIL_IS_LETTERW(resolvedw[0]) && L':' == resolvedw[1] && PHP_WIN32_IOUTIL_IS_SLASHW(resolvedw[2]);
filespecw_len = resolvedw_len + 2;
if (filespecw_len >= _MAX_PATH && might_need_prefix) {
filespecw_len += PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
}
filespecw = (wchar_t *)malloc((filespecw_len + 1)*sizeof(wchar_t));
if (filespecw == NULL) {
free(dp);
@ -56,8 +61,14 @@ DIR *opendir(const char *dir)
return NULL;
}
wcscpy(filespecw, resolvedw);
index = (int)filespecw_len - 1;
if (filespecw_len >= _MAX_PATH && might_need_prefix) {
wcscpy(filespecw, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW);
wcscpy(filespecw + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW, resolvedw);
index = resolvedw_len + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW - 1;
} else {
wcscpy(filespecw, resolvedw);
index = resolvedw_len - 1;
}
if (index >= 0 && filespecw[index] == L'/' || index == 0 && filespecw[index] == L'\\')
filespecw[index] = L'\0';
wcscat(filespecw, L"\\*");
@ -178,24 +189,42 @@ int rewinddir(DIR *dp)
/* Re-set to the beginning */
wchar_t *filespecw;
HANDLE handle;
int index;
size_t dirw_len, filespecw_len, index;
zend_bool might_need_prefix;
FindClose(dp->handle);
dp->offset = 0;
dp->finished = 0;
filespecw = (wchar_t *)malloc((wcslen((wchar_t *)dp->dirw) + 2 + 1)*sizeof(wchar_t));
/* XXX save the dir len into the struct. */
dirw_len = wcslen((wchar_t *)dp->dirw);
might_need_prefix = dirw_len >= 3 && PHP_WIN32_IOUTIL_IS_LETTERW(dp->dirw[0]) && L':' == dp->dirw[1] && PHP_WIN32_IOUTIL_IS_SLASHW(dp->dirw[2]);
filespecw_len = dirw_len + 2;
if (filespecw_len >= _MAX_PATH && might_need_prefix) {
filespecw_len += PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
}
filespecw = (wchar_t *)malloc((filespecw_len + 1)*sizeof(wchar_t));
if (filespecw == NULL) {
return -1;
}
wcscpy(filespecw, (wchar_t *)dp->dirw);
index = (int)wcslen(filespecw) - 1;
if (filespecw_len >= _MAX_PATH && might_need_prefix) {
wcscpy(filespecw, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW);
wcscpy(filespecw + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW, dp->dirw);
index = dirw_len + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW - 1;
} else {
wcscpy(filespecw, dp->dirw);
index = dirw_len - 1;
}
if (index >= 0 && (filespecw[index] == L'/' ||
(filespecw[index] == L'\\' && index == 0)))
filespecw[index] = L'\0';
wcscat(filespecw, L"/*");
wcscat(filespecw, L"\\*");
if ((handle = FindFirstFileExW(filespecw, FindExInfoBasic, &(dp->fileinfo), FindExSearchNameMatch, NULL, FIND_FIRST_EX_LARGE_FETCH)) == INVALID_HANDLE_VALUE) {
dp->finished = 1;