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* fhandler_socket.cc (get_inet_addr): Add type parameter to return

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unix socket type.  Read socket type from unix socket file.
	(fhandler_socket::bind): Write socket type to unix socket file.
	(fhandler_socket::connect): Return with errno EPROTOTYPE if
	socket type of socket doesn't match socket type of unix socket
	trying to connect to.
This commit is contained in:
Corinna Vinschen 2005-04-06 18:50:13 +00:00
parent b62b8d7c80
commit a5bfc68712
2 changed files with 28 additions and 4 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2005-04-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (get_inet_addr): Add type parameter to return
unix socket type. Read socket type from unix socket file.
(fhandler_socket::bind): Write socket type to unix socket file.
(fhandler_socket::connect): Return with errno EPROTOTYPE if
socket type of socket doesn't match socket type of unix socket
trying to connect to.
2005-04-06 Pierre Humblet <pierre.humblet@ieee.org>
* security.h (cygsidlist::addfromgr): Avoid duplicate entries.

23
winsup/cygwin/fhandler_socket.cc
View File

@ -48,7 +48,8 @@ fhandler_dev_random* entropy_source;
/* cygwin internal: map sockaddr into internet domain address */
static int
get_inet_addr (const struct sockaddr *in, int inlen,
struct sockaddr_in *out, int *outlen, int* secret = 0)
struct sockaddr_in *out, int *outlen,
int *type = NULL, int *secret = NULL)
{
int secret_buf [4];
int* secret_ptr = (secret ? : secret_buf);
@ -91,14 +92,20 @@ get_inet_addr (const struct sockaddr *in, int inlen,
if (ReadFile (fh, buf, 128, &len, 0))
{
struct sockaddr_in sin;
char ctype;
sin.sin_family = AF_INET;
sscanf (buf + strlen (SOCKET_COOKIE), "%hu %08x-%08x-%08x-%08x",
sscanf (buf + strlen (SOCKET_COOKIE), "%hu %c %08x-%08x-%08x-%08x",
&sin.sin_port,
&ctype,
secret_ptr, secret_ptr + 1, secret_ptr + 2, secret_ptr + 3);
sin.sin_port = htons (sin.sin_port);
sin.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
*out = sin;
*outlen = sizeof sin;
if (type)
*type = (ctype == 's' ? SOCK_STREAM :
ctype == 'd' ? SOCK_DGRAM
: 0);
ret = 1;
}
CloseHandle (fh);
@ -656,7 +663,7 @@ fhandler_socket::bind (const struct sockaddr *name, int namelen)
}
char buf[sizeof (SOCKET_COOKIE) + 80];
__small_sprintf (buf, "%s%u ", SOCKET_COOKIE, sin.sin_port);
__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;
if (!WriteFile (fh, buf, blen, &blen, 0))
@ -689,10 +696,18 @@ fhandler_socket::connect (const struct sockaddr *name, int namelen)
bool in_progress = false;
struct sockaddr_in sin;
DWORD err;
int type;
if (!get_inet_addr (name, namelen, &sin, &namelen, connect_secret))
if (!get_inet_addr (name, namelen, &sin, &namelen, &type, connect_secret))
return -1;
if (get_addr_family () == AF_LOCAL && get_socket_type () != type)
{
WSASetLastError (WSAEPROTOTYPE);
set_winsock_errno ();
return -1;
}
res = ::connect (get_socket (), (struct sockaddr *) &sin, namelen);
if (!res)