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nfs_nfsiod.c (24101) nfs_nfsiod.c (24330)
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs_syscalls.c 8.5 (Berkeley) 3/30/95
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without

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29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)nfs_syscalls.c 8.5 (Berkeley) 3/30/95
37 * $Id: nfs_syscalls.c,v 1.18 1997/02/22 09:42:42 peter Exp $
37 * $Id: nfs_syscalls.c,v 1.19 1997/03/22 06:53:11 bde Exp $
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/sysproto.h>
43#include <sys/kernel.h>
44#include <sys/sysctl.h>
45#include <sys/file.h>

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102static struct nfsdrt nfsdrt;
103static int nfs_numnfsd = 0;
104static int notstarted = 1;
105static int modify_flag = 0;
106static void nfsd_rt __P((int sotype, struct nfsrv_descript *nd,
107 int cacherep));
108static int nfssvc_addsock __P((struct file *,struct mbuf *));
109static int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/sysproto.h>
43#include <sys/kernel.h>
44#include <sys/sysctl.h>
45#include <sys/file.h>

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102static struct nfsdrt nfsdrt;
103static int nfs_numnfsd = 0;
104static int notstarted = 1;
105static int modify_flag = 0;
106static void nfsd_rt __P((int sotype, struct nfsrv_descript *nd,
107 int cacherep));
108static int nfssvc_addsock __P((struct file *,struct mbuf *));
109static int nfssvc_nfsd __P((struct nfsd_srvargs *,caddr_t,struct proc *));
110
111static int nfs_privport = 0;
112SYSCTL_INT(_vfs_nfs, NFS_NFSPRIVPORT, nfs_privport, CTLFLAG_RW, &nfs_privport, 0, "");
113
110/*
111 * NFS server system calls
112 * getfh() lives here too, but maybe should move to kern/vfs_syscalls.c
113 */
114
115/*
116 * Get file handle system call
117 */

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587 cacherep = RC_DOIT;
588 } else
589 modify_flag = 1;
590 } else if (nfsd->nfsd_flag & NFSD_AUTHFAIL) {
591 nfsd->nfsd_flag &= ~NFSD_AUTHFAIL;
592 nd->nd_procnum = NFSPROC_NOOP;
593 nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
594 cacherep = RC_DOIT;
114/*
115 * NFS server system calls
116 * getfh() lives here too, but maybe should move to kern/vfs_syscalls.c
117 */
118
119/*
120 * Get file handle system call
121 */

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591 cacherep = RC_DOIT;
592 } else
593 modify_flag = 1;
594 } else if (nfsd->nfsd_flag & NFSD_AUTHFAIL) {
595 nfsd->nfsd_flag &= ~NFSD_AUTHFAIL;
596 nd->nd_procnum = NFSPROC_NOOP;
597 nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
598 cacherep = RC_DOIT;
599 } else if (nfs_privport) {
600 /* Check if source port is privileged */
601 u_short port;
602 u_long addr;
603 struct mbuf *nam = nd->nd_nam;
604 struct sockaddr_in *sin;
605
606 sin = mtod(nam, struct sockaddr_in *);
607 port = ntohs(sin->sin_port);
608 if (port >= IPPORT_RESERVED) {
609 nd->nd_procnum = NFSPROC_NOOP;
610 nd->nd_repstat = (NFSERR_AUTHERR | AUTH_TOOWEAK);
611 cacherep = RC_DOIT;
612 printf("NFS request from unprivileged port (%s:%d)\n",
613 inet_ntoa(sin->sin_addr), port);
614 }
595 }
615 }
616
596 }
597
598 /*
599 * Loop to get all the write rpc relies that have been
600 * gathered together.
601 */
602 do {
603 switch (cacherep) {

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618
619 /*
620 * Loop to get all the write rpc relies that have been
621 * gathered together.
622 */
623 do {
624 switch (cacherep) {

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