Date: Tue, 30 Jun 2009 21:51:32 +0200 From: Marc Balmer <marc@msys.ch> To: "M. Warner Losh" <imp@bsdimp.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, mbr@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r195200 - in head/usr.sbin: . wake Message-ID: <0E6D4FB2-A485-40ED-A856-ACC311A90EFE@msys.ch> In-Reply-To: <20090630.133608.-1703974521.imp@bsdimp.com> References: <200906301851.n5UIpNJQ089171@svn.freebsd.org> <20090630.133608.-1703974521.imp@bsdimp.com>
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Am 30.06.2009 um 21:36 schrieb M. Warner Losh: > wake really is too generic a name for this. Why didn't the wol port > get committed anyway, it seems to be better than this... wake is a short, mnemonic and imperative name that describes what the command does. It is exactly the same command as in NetBSD. - Marc > > Warner > > > In message: <200906301851.n5UIpNJQ089171@svn.freebsd.org> > Martin Blapp <mbr@FreeBSD.org> writes: > : Author: mbr > : Date: Tue Jun 30 18:51:22 2009 > : New Revision: 195200 > : URL: http://svn.freebsd.org/changeset/base/195200 > : > : Log: > : Add wake, a tool to send Wake on LAN frames to hosts on a local > Ethernet network > : > : Submitted by: Marc Balmer <marc@msys.ch> > : Reviewed by: rwatson > : Approved by: re > : > : M usr.sbin/Makefile > : A usr.sbin/wake > : AM usr.sbin/wake/wake.c > : AM usr.sbin/wake/Makefile > : AM usr.sbin/wake/wake.8 > : > : Added: > : head/usr.sbin/wake/ > : head/usr.sbin/wake/Makefile (contents, props changed) > : head/usr.sbin/wake/wake.8 (contents, props changed) > : head/usr.sbin/wake/wake.c (contents, props changed) > : Modified: > : head/usr.sbin/Makefile > : > : Modified: head/usr.sbin/Makefile > : > = > = > = > = > = > = > = > = > ====================================================================== > : --- head/usr.sbin/Makefile Tue Jun 30 17:27:53 2009 (r195199) > : +++ head/usr.sbin/Makefile Tue Jun 30 18:51:22 2009 (r195200) > : @@ -190,6 +190,7 @@ SUBDIR= ${_ac} \ > : ${_usbconfig} \ > : ${_vidcontrol} \ > : vipw \ > : + wake \ > : watch \ > : watchdogd \ > : ${_wlandebug} \ > : > : Added: head/usr.sbin/wake/Makefile > : > = > = > = > = > = > = > = > = > ====================================================================== > : --- /dev/null 00:00:00 1970 (empty, because file is newly added) > : +++ head/usr.sbin/wake/Makefile Tue Jun 30 18:51:22 2009 (r195200) > : @@ -0,0 +1,8 @@ > : +# $FreeBSD$ > : + > : +PROG= wake > : +MAN= wake.8 > : + > : +WARNS?= 2 > : + > : +.include <bsd.prog.mk> > : > : Added: head/usr.sbin/wake/wake.8 > : > = > = > = > = > = > = > = > = > ====================================================================== > : --- /dev/null 00:00:00 1970 (empty, because file is newly added) > : +++ head/usr.sbin/wake/wake.8 Tue Jun 30 18:51:22 2009 (r195200) > : @@ -0,0 +1,61 @@ > : +.\" > : +.\" $FreeBSD$ > : +.\" > : +.\" Copyright (c) 2009 Marc Balmer <marc@msys.ch> > : +.\" > : +.\" Permission to use, copy, modify, and distribute this software > for any > : +.\" purpose with or without fee is hereby granted, provided that > the above > : +.\" copyright notice and this permission notice appear in all > copies. > : +.\" > : +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL > WARRANTIES > : +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES > OF > : +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE > LIABLE FOR > : +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR > ANY DAMAGES > : +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, > WHETHER IN AN > : +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, > ARISING OUT OF > : +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. > : +.\" > : +.Dd June 27 2009 > : +.Dt WAKE 8 > : +.Os > : +.Sh NAME > : +.Nm wake > : +.Nd send Wake on LAN frames to hosts on a local Ethernet network > : +.Sh SYNOPSIS > : +.Nm > : +.Ar interface > : +.Op Ar lladdr ... > : +.Sh DESCRIPTION > : +The > : +.Nm > : +program is used to send Wake on LAN (WoL) frames over a local > : +Ethernet network to one or more hosts using their link layer > (hardware) > : +addresses. > : +WoL functionality is generally enabled in a machine's BIOS > : +and can be used to power on machines from a remote system without > : +having physical access to them. > : +.Pp > : +.Ar interface > : +is the network interface of the local machine. > : +.Ar lladdr > : +are the link layer addresses of the remote machines > : +and can be specified as the actual hardware address > : +(six hexadecimal numbers separated by colons) > : +or a hostname entry in > : +.Pa /etc/ethers . > : +Link layer addresses can be determined and set on > : +.Fx > : +machines using > : +.Xr ifconfig 8 . > : +.Sh FILES > : +.Bl -tag -width "/etc/ethers" -compact > : +.It /etc/ethers > : +Ethernet host name database. > : +.El > : +.Sh SEE ALSO > : +.Xr ethers 5 , > : +.Xr ifconfig 8 > : +.Sh AUTHORS > : +.Nm > : +was written by > : +.Ar Marc Balmer Aq marc@msys.ch . > : > : Added: head/usr.sbin/wake/wake.c > : > = > = > = > = > = > = > = > = > ====================================================================== > : --- /dev/null 00:00:00 1970 (empty, because file is newly added) > : +++ head/usr.sbin/wake/wake.c Tue Jun 30 18:51:22 2009 (r195200) > : @@ -0,0 +1,174 @@ > : +/* > : + * Copyright (C) 2006, 2007, 2008, 2009 Marc Balmer <marc@msys.ch> > : + * Copyright (C) 2000 Eugene M. Kim. 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. Author's name may not be used endorse or promote products > derived > : + * from this software without specific prior written permission. > : + * > : + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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/types.h> > : +#include <sys/param.h> > : +#include <sys/queue.h> > : +#include <sys/ioctl.h> > : +#include <sys/socket.h> > : +#include <sys/time.h> > : +#include <net/bpf.h> > : +#include <net/if.h> > : + > : +#include <netinet/in.h> > : +#include <netinet/if_ether.h> > : + > : +#include <err.h> > : +#include <errno.h> > : +#include <fcntl.h> > : +#include <limits.h> > : +#include <stdarg.h> > : +#include <stdio.h> > : +#include <stdlib.h> > : +#include <string.h> > : +#include <sysexits.h> > : +#include <unistd.h> > : + > : +#define _PATH_BPF "/dev/bpf" > : + > : +#ifndef SYNC_LEN > : +#define SYNC_LEN 6 > : +#endif > : + > : +#ifndef DESTADDR_COUNT > : +#define DESTADDR_COUNT 16 > : +#endif > : + > : +void usage(void); > : + > : +int wake(const char *iface, const char *host); > : +int bind_if_to_bpf(char const *ifname, int bpf); > : +int get_ether(char const *text, struct ether_addr *addr); > : +int send_wakeup(int bpf, struct ether_addr const *addr); > : + > : +void > : +usage(void) > : +{ > : + (void)fprintf(stderr, "usage: wake interface lladdr\n"); > : + exit(0); > : +} > : + > : +int > : +wake(const char *iface, const char *host) > : +{ > : + int res, bpf; > : + struct ether_addr macaddr; > : + > : + bpf = open(_PATH_BPF, O_RDWR); > : + if (bpf == -1) { > : + printf("no bpf\n"); > : + return -1; > : + } > : + if (bind_if_to_bpf(iface, bpf) == -1 || > : + get_ether(host, &macaddr) == -1) { > : + (void)close(bpf); > : + return -1; > : + } > : + res = send_wakeup(bpf, &macaddr); > : + (void)close(bpf); > : + return res; > : +} > : + > : +int > : +bind_if_to_bpf(char const *ifname, int bpf) > : +{ > : + struct ifreq ifr; > : + u_int dlt; > : + > : + if (strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)) >= > : + sizeof(ifr.ifr_name)) > : + return -1; > : + if (ioctl(bpf, BIOCSETIF, &ifr) == -1) > : + return -1; > : + if (ioctl(bpf, BIOCGDLT, &dlt) == -1) > : + return -1; > : + if (dlt != DLT_EN10MB) > : + return -1; > : + return 0; > : +} > : + > : +int > : +get_ether(char const *text, struct ether_addr *addr) > : +{ > : + struct ether_addr *paddr; > : + > : + paddr = ether_aton(text); > : + if (paddr != NULL) { > : + *addr = *paddr; > : + return 0; > : + } > : + if (ether_hostton(text, addr)) > : + return -1; > : + return 0; > : +} > : + > : +int > : +send_wakeup(int bpf, struct ether_addr const *addr) > : +{ > : + struct { > : + struct ether_header hdr; > : + u_char data[SYNC_LEN + ETHER_ADDR_LEN * DESTADDR_COUNT]; > : + } pkt; > : + u_char *p; > : + int i; > : + ssize_t bw; > : + ssize_t len; > : + > : + (void)memset(pkt.hdr.ether_dhost, 0xff, > sizeof(pkt.hdr.ether_dhost)); > : + pkt.hdr.ether_type = htons(0); > : + (void)memset(pkt.data, 0xff, SYNC_LEN); > : + for (p = pkt.data + SYNC_LEN, i = 0; i < DESTADDR_COUNT; > : + p += ETHER_ADDR_LEN, i++) > : + bcopy(addr->octet, p, ETHER_ADDR_LEN); > : + p = (u_char *)&pkt; > : + len = sizeof(pkt); > : + bw = 0; > : + while (len) { > : + if ((bw = write(bpf, &pkt, sizeof(pkt))) == -1) > : + return -1; > : + len -= bw; > : + p += bw; > : + } > : + return 0; > : +} > : + > : +int > : +main(int argc, char *argv[]) > : +{ > : + int n; > : + > : + if (argc < 3) > : + usage(); > : + > : + for (n = 2; n < argc; n++) > : + if (wake(argv[1], argv[n])) > : + warnx("error sending Wake on LAN frame over %s to %s", > : + argv[1], argv[n]); > : + return 0; > : +} > : > _______________________________________________ > svn-src-all@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-all > To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"
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