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From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Sat, 16 May 2009 18:46:51 +0000 (UTC)
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Subject: svn commit: r192205 - head/sys/compat/linux
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Author: dchagin
Date: Sat May 16 18:46:51 2009
New Revision: 192205
URL: http://svn.freebsd.org/changeset/base/192205

Log:
  Return EINVAL in case when the incorrect or unsupported
  type argument is specified.
  
  Do not map type argument value as its Linux values are
  identical to FreeBSD values.
  
  Approved by:	kib (mentor)

Modified:
  head/sys/compat/linux/linux_socket.c
  head/sys/compat/linux/linux_socket.h

Modified: head/sys/compat/linux/linux_socket.c
==============================================================================
--- head/sys/compat/linux/linux_socket.c	Sat May 16 18:44:56 2009	(r192204)
+++ head/sys/compat/linux/linux_socket.c	Sat May 16 18:46:51 2009	(r192205)
@@ -597,6 +597,8 @@ linux_socket(struct thread *td, struct l
 
 	bsd_args.protocol = args->protocol;
 	bsd_args.type = args->type;
+	if (bsd_args.type < 0 || bsd_args.type > LINUX_SOCK_MAX)
+		return (EINVAL);
 	bsd_args.domain = linux_to_bsd_domain(args->domain);
 	if (bsd_args.domain == -1)
 		return (EAFNOSUPPORT);

Modified: head/sys/compat/linux/linux_socket.h
==============================================================================
--- head/sys/compat/linux/linux_socket.h	Sat May 16 18:44:56 2009	(r192204)
+++ head/sys/compat/linux/linux_socket.h	Sat May 16 18:46:51 2009	(r192205)
@@ -90,6 +90,16 @@
 #define	LINUX_AF_APPLETALK	5
 #define	LINUX_AF_INET6		10
 
+/* Supported socket types */
+
+#define	LINUX_SOCK_STREAM	1
+#define	LINUX_SOCK_DGRAM	2
+#define	LINUX_SOCK_RAW		3
+#define	LINUX_SOCK_RDM		4
+#define	LINUX_SOCK_SEQPACKET	5
+
+#define	LINUX_SOCK_MAX		LINUX_SOCK_SEQPACKET
+
 struct l_ucred {
 	uint32_t	pid;
 	uint32_t	uid;