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* fhandler_socket.cc (fhandler_socket::bind): Open file for deletion,

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too.  Don't write to file and especially don't close handle if file
	couldn't be created.  Set delete disposition if writing failed,
	instead of calling unlink_nt.
This commit is contained in:
Corinna Vinschen 2007-10-10 16:07:46 +00:00
parent 97f0a0ecf6
commit 4797f5bca3
2 changed files with 31 additions and 17 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2007-10-10 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::bind): Open file for deletion,
too. Don't write to file and especially don't close handle if file
couldn't be created. Set delete disposition if writing failed,
instead of calling unlink_nt.
2007-09-27 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (struct _FILE_COMPRESSION_INFORMATION): Align with definition

41
winsup/cygwin/fhandler_socket.cc
View File

@ -831,7 +831,7 @@ fhandler_socket::bind (const struct sockaddr *name, int namelen)
HANDLE fh;
OBJECT_ATTRIBUTES attr;
IO_STATUS_BLOCK io;
status = NtCreateFile (&fh, GENERIC_WRITE | SYNCHRONIZE,
status = NtCreateFile (&fh, DELETE | FILE_GENERIC_WRITE,
pc.get_object_attr (attr, sa), &io, NULL, fattr,
FILE_SHARE_VALID_FLAGS, FILE_CREATE,
FILE_NON_DIRECTORY_FILE
@ -845,24 +845,31 @@ fhandler_socket::bind (const struct sockaddr *name, int namelen)
else
__seterrno_from_nt_status (status);
}
char buf[sizeof (SOCKET_COOKIE) + 80];
__small_sprintf (buf, "%s%u %c ", SOCKET_COOKIE, sin.sin_port, get_socket_type () == SOCK_STREAM ? 's' : get_socket_type () == SOCK_DGRAM ? 'd' : '-');
af_local_set_secret (strchr (buf, '\0'));
DWORD blen = strlen (buf) + 1;
status = NtWriteFile (fh, NULL, NULL, NULL, &io, buf, blen, NULL, 0);
NtClose (fh);
if (!NT_SUCCESS (status))
{
extern NTSTATUS unlink_nt (path_conv &pc);
__seterrno_from_nt_status (status);
unlink_nt (pc);
}
else
{
set_sun_path (un_addr->sun_path);
res = 0;
char buf[sizeof (SOCKET_COOKIE) + 80];
__small_sprintf (buf, "%s%u %c ", SOCKET_COOKIE, sin.sin_port,
get_socket_type () == SOCK_STREAM ? 's'
: get_socket_type () == SOCK_DGRAM ? 'd' : '-');
af_local_set_secret (strchr (buf, '\0'));
DWORD blen = strlen (buf) + 1;
status = NtWriteFile (fh, NULL, NULL, NULL, &io, buf, blen, NULL, 0);
if (!NT_SUCCESS (status))
{
__seterrno_from_nt_status (status);
FILE_DISPOSITION_INFORMATION fdi = { TRUE };
status = NtSetInformationFile (fh, &io, &fdi, sizeof fdi,
FileDispositionInformation);
if (!NT_SUCCESS (status))
debug_printf ("Setting delete dispostion failed, status = %p",
status);
}
else
{
set_sun_path (un_addr->sun_path);
res = 0;
}
NtClose (fh);
}
#undef un_addr
}