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server: Explicitly shutdown closed pipes to prevent access from file descriptors cached in the client.

This commit is contained in:
Alexandre Julliard 2007-04-10 21:30:37 +02:00
parent 64ba011dba
commit bc426ab059
3 changed files with 4 additions and 1 deletions
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2
dlls/ntdll/file.c
View File

@ -282,7 +282,7 @@ NTSTATUS FILE_GetNtStatus(void)
case ENFILE: return STATUS_TOO_MANY_OPENED_FILES; case ENFILE: return STATUS_TOO_MANY_OPENED_FILES;
case EINVAL: return STATUS_INVALID_PARAMETER; case EINVAL: return STATUS_INVALID_PARAMETER;
case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY; case ENOTEMPTY: return STATUS_DIRECTORY_NOT_EMPTY;
case EPIPE: return STATUS_PIPE_BROKEN; case EPIPE: return STATUS_PIPE_DISCONNECTED;
case EIO: return STATUS_DEVICE_NOT_READY; case EIO: return STATUS_DEVICE_NOT_READY;
#ifdef ENOMEDIUM #ifdef ENOMEDIUM
case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE; case ENOMEDIUM: return STATUS_NO_MEDIA_IN_DEVICE;

2
server/mailslot.c
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@ -197,6 +197,7 @@ static void mailslot_destroy( struct object *obj)
assert( mailslot->fd ); assert( mailslot->fd );
assert( mailslot->write_fd ); assert( mailslot->write_fd );
shutdown( get_unix_fd( mailslot->fd ), SHUT_RDWR );
release_object( mailslot->fd ); release_object( mailslot->fd );
release_object( mailslot->write_fd ); release_object( mailslot->write_fd );
} }
@ -408,6 +409,7 @@ static struct mailslot *create_mailslot( struct directory *root,
{ {
fcntl( fds[0], F_SETFL, O_NONBLOCK ); fcntl( fds[0], F_SETFL, O_NONBLOCK );
fcntl( fds[1], F_SETFL, O_NONBLOCK ); fcntl( fds[1], F_SETFL, O_NONBLOCK );
shutdown( fds[0], SHUT_RD );
mailslot->fd = create_anonymous_fd( &mailslot_fd_ops, mailslot->fd = create_anonymous_fd( &mailslot_fd_ops,
fds[1], &mailslot->obj ); fds[1], &mailslot->obj );
mailslot->write_fd = create_anonymous_fd( &mail_writer_fd_ops, mailslot->write_fd = create_anonymous_fd( &mail_writer_fd_ops,

1
server/named_pipe.c
View File

@ -338,6 +338,7 @@ static void do_disconnect( struct pipe_server *server )
server->client->fd = NULL; server->client->fd = NULL;
} }
assert( server->fd ); assert( server->fd );
shutdown( get_unix_fd( server->fd ), SHUT_RDWR );
release_object( server->fd ); release_object( server->fd );
server->fd = NULL; server->fd = NULL;
} }