diff options
Diffstat (limited to 'usr.sbin/nfsrevoke')
| -rw-r--r-- | usr.sbin/nfsrevoke/Makefile | 6 | ||||
| -rw-r--r-- | usr.sbin/nfsrevoke/Makefile.depend | 15 | ||||
| -rw-r--r-- | usr.sbin/nfsrevoke/nfsrevoke.8 | 62 | ||||
| -rw-r--r-- | usr.sbin/nfsrevoke/nfsrevoke.c | 120 |
4 files changed, 203 insertions, 0 deletions
diff --git a/usr.sbin/nfsrevoke/Makefile b/usr.sbin/nfsrevoke/Makefile new file mode 100644 index 000000000000..3f21cf287a8e --- /dev/null +++ b/usr.sbin/nfsrevoke/Makefile @@ -0,0 +1,6 @@ +PACKAGE= nfs + +PROG= nfsrevoke +MAN= nfsrevoke.8 + +.include <bsd.prog.mk> diff --git a/usr.sbin/nfsrevoke/Makefile.depend b/usr.sbin/nfsrevoke/Makefile.depend new file mode 100644 index 000000000000..6ef78fac5cbf --- /dev/null +++ b/usr.sbin/nfsrevoke/Makefile.depend @@ -0,0 +1,15 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/libc \ + lib/libcompiler_rt \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/usr.sbin/nfsrevoke/nfsrevoke.8 b/usr.sbin/nfsrevoke/nfsrevoke.8 new file mode 100644 index 000000000000..811d4ba828a8 --- /dev/null +++ b/usr.sbin/nfsrevoke/nfsrevoke.8 @@ -0,0 +1,62 @@ +.\" 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. +.\" +.Dd April 25, 2009 +.Dt NFSREVOKE 8 +.Os +.Sh NAME +.Nm nfsrevoke +.Nd revoke +.Tn NFS +V4 client +.Sh SYNOPSIS +.Nm nfsrevoke +.Ar ClientId +.Sh DESCRIPTION +.Nm +This command is used by a system administrator to revoke a client's access +to the NFS Version 4 server. All Open/Lock state held by the client will +be released. +After revocation, the client will no longer be able to use state on the server +until it does a fresh SetClientID/SetClientIDConfirm operations sequence. +THIS SHOULD BE DONE AS A LAST RESORT ONLY, when clients are holding state +that must be released on the server. +.Pp +The +.Ar ClientId +argument is a hexadecimal string, which is the last field +of the +.Xr nfsdumpstate 8 +command's +.Fl o +and +.Fl l +options output. +.Sh SEE ALSO +.Xr nfsv4 4 , +.Xr nfsdumpstate 8 +.Sh HISTORY +The +.Nm +command was introduced as a part of the experimental nfs server subsystem. diff --git a/usr.sbin/nfsrevoke/nfsrevoke.c b/usr.sbin/nfsrevoke/nfsrevoke.c new file mode 100644 index 000000000000..a914555e4ec1 --- /dev/null +++ b/usr.sbin/nfsrevoke/nfsrevoke.c @@ -0,0 +1,120 @@ +/*- + * 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/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) __dead2; + +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>"); +} |