* fhandler.h (class fhandler_socket): Add members and methods to

support secure connections on AF_UNIX sockets.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): New method.
(fhandler_socket::get_connect_secret): Ditto.
(fhandler_socket::create_secret_event): Ditto.
(fhandler_socket::close_secret_event): Ditto.
(fhandler_socket::check_peer_secret_event): Ditto.
(fhandler_socket::fixup_after_fork): Duplicate secret event to child.
(fhandler_socket::dup): Copy address family.
(fhandler_socket::close): Close secret event.
* net.cc (get_inet_addr): Read secret cookie.
(cygwin_connect): Check if peer knows secret cookie value.
(cygwin_accept): Ditto. Copy address family to newly created socket.
(cygwin_bind): Generate and write secret cookie.
(wsock_init): Initialize random number generator.

1 files changed, 7 insertions, 0 deletions

diff --git a/winsup/cygwin/fhandler.h b/winsup/cygwin/fhandler.h
index 6a8d11a4c..32ccacc75 100644
--- a/winsup/cygwin/fhandler.h
+++ b/winsup/cygwin/fhandler.h
@@ -342,6 +342,8 @@ class fhandler_socket: public fhandler_base
 {
 private:
   int addr_family;
+  int connect_secret [4];
+  HANDLE secret_event;
   struct _WSAPROTOCOL_INFOA *prot_info_ptr;
 
 public:
@@ -368,6 +370,11 @@ public:
   int ready_for_read (int fd, DWORD howlong, int ignra);
   int get_addr_family () {return addr_family;}
   void set_addr_family (int af) {addr_family = af;}
+  void set_connect_secret ();
+  void get_connect_secret (char*);
+  HANDLE create_secret_event (int *secret = NULL);
+  int check_peer_secret_event (struct sockaddr_in *peer, int *secret = NULL);
+  void close_secret_event ();
 };
 
 class fhandler_pipe: public fhandler_base