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Abort CreateFile for existing files of type FIFO

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This commit is contained in:
Armin Novak 2017-08-03 14:45:19 +02:00
parent 436829142e
commit 0a23bdf61f
1 changed files with 21 additions and 0 deletions
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21
winpr/libwinpr/file/file.c
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@ -670,6 +670,27 @@ static HANDLE FileCreateFileA(LPCSTR lpFileName, DWORD dwDesiredAccess, DWORD dw
fp = freopen(pFile->lpFileName, mode, fp);
}
else
{
if (stat(pFile->lpFileName, &st) != 0)
{
SetLastError(map_posix_err(errno));
free(pFile->lpFileName);
free(pFile);
return INVALID_HANDLE_VALUE;
}
/* FIFO (named pipe) would block the following fopen
* call if not connected. This renders the channel unusable,
* therefore abort early. */
if (S_ISFIFO(st.st_mode))
{
SetLastError(ERROR_FILE_NOT_FOUND);
free(pFile->lpFileName);
free(pFile);
return INVALID_HANDLE_VALUE;
}
}
if (NULL == fp)
fp = fopen(pFile->lpFileName, mode);