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/*-
* Copyright (c) 2009 Rick Macklem, University of Guelph
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/linker.h>
#include <sys/module.h>
#include <sys/mount.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/vnode.h>
#include <netinet/in.h>
#include <nfs/nfssvc.h>
#include <fs/nfs/rpcv2.h>
#include <fs/nfs/nfsproto.h>
#include <fs/nfs/nfskpiport.h>
#include <fs/nfs/nfs.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <paths.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void usage(void);
int
main(int argc, char **argv)
{
char *cp;
u_char val;
int cnt, even;
struct nfsd_clid revoke_handle;
if (modfind("nfsd") < 0)
errx(1, "nfsd not loaded - self terminating");
if (argc != 2)
usage();
cnt = 0;
cp = argv[1];
if (strlen(cp) % 2)
even = 0;
else
even = 1;
val = 0;
while (*cp) {
if (*cp >= '0' && *cp <= '9')
val += (u_char)(*cp - '0');
else if (*cp >= 'A' && *cp <= 'F')
val += ((u_char)(*cp - 'A')) + 0xa;
else if (*cp >= 'a' && *cp <= 'f')
val += ((u_char)(*cp - 'a')) + 0xa;
else
errx(1, "Non hexadecimal digit in %s", argv[1]);
if (even) {
val <<= 4;
even = 0;
} else {
revoke_handle.nclid_id[cnt++] = val;
if (cnt > NFSV4_OPAQUELIMIT)
errx(1, "Clientid %s, loo long", argv[1]);
val = 0;
even = 1;
}
cp++;
}
/*
* Do the revocation system call.
*/
revoke_handle.nclid_idlen = cnt;
#ifdef DEBUG
printf("Idlen=%d\n", revoke_handle.nclid_idlen);
for (cnt = 0; cnt < revoke_handle.nclid_idlen; cnt++)
printf("%02x", revoke_handle.nclid_id[cnt]);
printf("\n");
#else
if (nfssvc(NFSSVC_ADMINREVOKE, &revoke_handle) < 0)
err(1, "Admin revoke failed");
#endif
}
static void
usage(void)
{
errx(1, "Usage: nfsrevoke <ClientID>");
}
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