Date: Tue, 26 May 2009 01:47:37 +0000 (UTC) From: Rick Macklem <rmacklem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r192782 - head/sys/fs/nfsserver Message-ID: <200905260147.n4Q1lbf8042671@svn.freebsd.org>
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Author: rmacklem Date: Tue May 26 01:47:37 2009 New Revision: 192782 URL: http://svn.freebsd.org/changeset/base/192782 Log: Add two sysctl variables to the experimental nfs server, so that the range of versions of NFS handled by the server can be limited. The nfsd daemon must be restarted after these sysctl variables are changed, in order for the change to take effect. Approved by: kib (mentor) Modified: head/sys/fs/nfsserver/nfs_nfsdkrpc.c Modified: head/sys/fs/nfsserver/nfs_nfsdkrpc.c ============================================================================== --- head/sys/fs/nfsserver/nfs_nfsdkrpc.c Tue May 26 01:16:09 2009 (r192781) +++ head/sys/fs/nfsserver/nfs_nfsdkrpc.c Tue May 26 01:47:37 2009 (r192782) @@ -82,6 +82,14 @@ SYSCTL_INT(_vfs_newnfs, OID_AUTO, nfs_pr &nfs_privport, 0, "Only allow clients using a privileged port for NFSv2 and 3"); +static int nfs_minvers = NFS_VER2; +SYSCTL_INT(_vfs_newnfs, OID_AUTO, server_min_nfsvers, CTLFLAG_RW, + &nfs_minvers, 0, "The lowest version of NFS handled by the server"); + +static int nfs_maxvers = NFS_VER4; +SYSCTL_INT(_vfs_newnfs, OID_AUTO, server_max_nfsvers, CTLFLAG_RW, + &nfs_maxvers, 0, "The highest version of NFS handled by the server"); + static int nfs_proc(struct nfsrv_descript *, u_int32_t, struct socket *, u_int64_t, struct nfsrvcache **); @@ -353,9 +361,15 @@ nfsrvd_addsock(struct file *fp) fp->f_ops = &badfileops; fp->f_data = NULL; xprt->xp_sockref = ++sockref; - svc_reg(xprt, NFS_PROG, NFS_VER2, nfssvc_program, NULL); - svc_reg(xprt, NFS_PROG, NFS_VER3, nfssvc_program, NULL); - svc_reg(xprt, NFS_PROG, NFS_VER4, nfssvc_program, NULL); + if (nfs_minvers == NFS_VER2) + svc_reg(xprt, NFS_PROG, NFS_VER2, nfssvc_program, + NULL); + if (nfs_minvers <= NFS_VER3 && nfs_maxvers >= NFS_VER3) + svc_reg(xprt, NFS_PROG, NFS_VER3, nfssvc_program, + NULL); + if (nfs_maxvers >= NFS_VER4) + svc_reg(xprt, NFS_PROG, NFS_VER4, nfssvc_program, + NULL); } return (0);
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