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* errno.cc (errmap): Map ERROR_BAD_NET_RESP to ENOSYS.

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* fhandler_disk_file.cc (fhandler_disk_file::facl): Handle ENOSYS and
	point to  the explanation.
	* ntdll.h (STATUS_NOT_IMPLEMENTED): Define.
	* path.cc (symlink_info::check): Handle the inability of NT4 to use
	FileNetworkOpenInformation on share root dirs in either direction.
	* path.h (slash_unc_prefix_p): Remove unused declaration.
	* security.cc (get_info_from_sd): Handle ENOSYS from get_file_sd.
	Explain when this happens.
This commit is contained in:
Corinna Vinschen
2010-09-24 12:41:33 +00:00
parent b375557956
commit 3498f76deb
7 changed files with 43 additions and 3 deletions
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17
winsup/cygwin/path.cc
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@ -2421,6 +2421,23 @@ restart:
{
status = NtQueryInformationFile (h, &io, pfnoi, sizeof *pfnoi,
FileNetworkOpenInformation);
if ((status == STATUS_INVALID_PARAMETER
|| status == STATUS_NOT_IMPLEMENTED)
&& RtlEqualUnicodePathPrefix (&upath, &ro_u_uncp, FALSE))
{
/* This occurs when accessing SMB share root dirs hosted on
NT4 (STATUS_INVALID_PARAMETER), or when trying to access
SMB share root dirs from NT4 (STATUS_NOT_IMPLEMENTED). */
status = NtQueryInformationFile (h, &io, &fbi, sizeof fbi,
FileBasicInformation);
if (NT_SUCCESS (status))
{
memcpy (pfnoi, &fbi, 4 * sizeof (LARGE_INTEGER));
pfnoi->EndOfFile.QuadPart
= pfnoi->AllocationSize.QuadPart = 0;
pfnoi->FileAttributes = fbi.FileAttributes;
}
}
if (NT_SUCCESS (status))
fileattr = pfnoi->FileAttributes;
}