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Ensure double slashes are replaced by the path normalization

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This commit is contained in:
Anatol Belski
2019-04-10 15:20:36 +02:00
parent 1aa30bb71c
commit ce72bc6b65
1 changed files with 32 additions and 10 deletions
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42
win32/ioutil.c
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@@ -306,18 +306,35 @@ PW32IO int php_win32_ioutil_mkdir_w(const wchar_t *path, mode_t mode)
already needs to be a long path. The given path is already normalized
and prepared, need only to prefix it.
*/
wchar_t *tmp = (wchar_t *) malloc((path_len + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW + 1) * sizeof(wchar_t));
wchar_t *tmp = (wchar_t *) malloc((path_len + 1) * sizeof(wchar_t));
if (!tmp) {
SET_ERRNO_FROM_WIN32_CODE(ERROR_NOT_ENOUGH_MEMORY);
return -1;
}
memmove(tmp, path, (path_len + 1) * sizeof(wchar_t));
memmove(tmp, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
memmove(tmp+PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW, path, path_len * sizeof(wchar_t));
path_len += PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
tmp[path_len] = L'\0';
if (PHP_WIN32_IOUTIL_NORM_FAIL == php_win32_ioutil_normalize_path_w(&tmp, path_len, &path_len)) {
free(tmp);
return -1;
}
if (!PHP_WIN32_IOUTIL_IS_LONG_PATHW(tmp, path_len)) {
wchar_t *_tmp = (wchar_t *) malloc((path_len + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW + 1) * sizeof(wchar_t));
if (!_tmp) {
SET_ERRNO_FROM_WIN32_CODE(ERROR_NOT_ENOUGH_MEMORY);
free(tmp);
return -1;
}
memmove(_tmp, PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW * sizeof(wchar_t));
memmove(_tmp+PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW, tmp, path_len * sizeof(wchar_t));
path_len += PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW;
_tmp[path_len] = L'\0';
free(tmp);
tmp = _tmp;
}
my_path = tmp;
} else {
my_path = path;
}
@@ -573,7 +590,7 @@ PW32IO size_t php_win32_ioutil_dirname(char *path, size_t len)
/* Partial normalization can still be acceptable, explicit fail has to be caught. */
PW32IO php_win32_ioutil_normalization_result php_win32_ioutil_normalize_path_w(wchar_t **buf, size_t len, size_t *new_len)
{/*{{{*/
wchar_t *pos, *idx = *buf, canonicalw[MAXPATHLEN];
wchar_t *idx = *buf, canonicalw[MAXPATHLEN], _tmp[MAXPATHLEN], *pos = _tmp;
size_t ret_len = len;
if (len >= MAXPATHLEN) {
@@ -582,12 +599,17 @@ PW32IO php_win32_ioutil_normalization_result php_win32_ioutil_normalize_path_w(w
return PHP_WIN32_IOUTIL_NORM_FAIL;
}
while (NULL != (pos = wcschr(idx, PHP_WIN32_IOUTIL_FW_SLASHW)) && (size_t)(idx - *buf) <= len) {
*pos = PHP_WIN32_IOUTIL_DEFAULT_SLASHW;
idx = pos++;
for (; (size_t)(idx - *buf) <= len; idx++, pos++) {
*pos = *idx;
if (PHP_WIN32_IOUTIL_FW_SLASHW == *pos) {
*pos = PHP_WIN32_IOUTIL_DEFAULT_SLASHW;
}
while (PHP_WIN32_IOUTIL_IS_SLASHW(*idx) && PHP_WIN32_IOUTIL_IS_SLASHW(*(idx+1))) {
idx++;
}
}
if (S_OK != canonicalize_path_w(canonicalw, MAXPATHLEN, *buf, PATHCCH_ALLOW_LONG_PATHS)) {
if (S_OK != canonicalize_path_w(canonicalw, MAXPATHLEN, _tmp, PATHCCH_ALLOW_LONG_PATHS)) {
/* Length unchanged. */
*new_len = len;
return PHP_WIN32_IOUTIL_NORM_PARTIAL;