586 lines
17 KiB
Diff
586 lines
17 KiB
Diff
|
From 259d1c453c7dc3b0291f3b4755567a94b778480e Mon Sep 17 00:00:00 2001
|
|||
|
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Chv=C3=A1tal?= <tchvatal@suse.com>
|
|||
|
Date: Sat, 17 Jun 2017 22:06:03 +0200
|
|||
|
Subject: [PATCH 1/7] Add ether-wake binary
|
|||
|
|
|||
|
---
|
|||
|
Makefile | 6 +-
|
|||
|
ether-wake.c | 445 +++++++++++++++++++++++++++++++++++++++++++++++++
|
|||
|
man/en_US/ether-wake.8 | 81 +++++++++
|
|||
|
3 files changed, 531 insertions(+), 1 deletion(-)
|
|||
|
create mode 100644 ether-wake.c
|
|||
|
create mode 100644 man/en_US/ether-wake.8
|
|||
|
|
|||
|
diff --git a/Makefile b/Makefile
|
|||
|
index bf67bc6..cb171a0 100644
|
|||
|
--- a/Makefile
|
|||
|
+++ b/Makefile
|
|||
|
@@ -33,7 +33,7 @@ SBINDIR ?= /sbin
|
|||
|
NET_LIB_PATH = lib
|
|||
|
NET_LIB_NAME = net-tools
|
|||
|
|
|||
|
-PROGS := ifconfig netstat route nameif
|
|||
|
+PROGS := ifconfig netstat route nameif ether-wake
|
|||
|
|
|||
|
-include config.make
|
|||
|
ifeq ($(HAVE_ARP_TOOLS),1)
|
|||
|
@@ -205,6 +205,9 @@ ipmaddr: $(NET_LIB) ipmaddr.o
|
|||
|
mii-tool: $(NET_LIB) mii-tool.o
|
|||
|
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ mii-tool.o $(NLIB) $(LDLIBS)
|
|||
|
|
|||
|
+ether-wake: $(NET_LIB) ether-wake.o
|
|||
|
+ $(CC) $(CFLAGS) $(LDFLAGS) -o ether-wake ether-wake.o $(NLIB) $(LDLIBS)
|
|||
|
+
|
|||
|
installbin:
|
|||
|
@echo
|
|||
|
@echo "######################################################"
|
|||
|
@@ -217,6 +220,7 @@ installbin:
|
|||
|
install -m 0755 nameif ${BASEDIR}${SBINDIR}
|
|||
|
install -m 0755 netstat ${BASEDIR}${BINDIR}
|
|||
|
install -m 0755 route ${BASEDIR}${BINDIR}
|
|||
|
+ install -m 0755 ether-wake ${BASEDIR}${SBINDIR}
|
|||
|
ifeq ($(HAVE_ARP_TOOLS),1)
|
|||
|
install -m 0755 arp ${BASEDIR}${SBINDIR}
|
|||
|
install -m 0755 rarp ${BASEDIR}${SBINDIR}
|
|||
|
diff --git a/ether-wake.c b/ether-wake.c
|
|||
|
new file mode 100644
|
|||
|
index 0000000..cfceb44
|
|||
|
--- /dev/null
|
|||
|
+++ b/ether-wake.c
|
|||
|
@@ -0,0 +1,445 @@
|
|||
|
+/* ether-wake.c: Send a magic packet to wake up sleeping machines. */
|
|||
|
+
|
|||
|
+static char version_msg[] =
|
|||
|
+"ether-wake.c: v1.09 11/12/2003 Donald Becker, http://www.scyld.com/";
|
|||
|
+static char brief_usage_msg[] =
|
|||
|
+"usage: ether-wake -i <ifname> [-p aa:bb:cc:dd[:ee:ff]] 00:11:22:33:44:55\n"
|
|||
|
+" Use '-u' to see the complete set of options.\n";
|
|||
|
+static char usage_msg[] =
|
|||
|
+"usage: ether-wake -i <ifname> [-p aa:bb:cc:dd[:ee:ff]] 00:11:22:33:44:55\n"
|
|||
|
+"\n"
|
|||
|
+" This program generates and transmits a Wake-On-LAN (WOL)\n"
|
|||
|
+" \"Magic Packet\", used for restarting machines that have been\n"
|
|||
|
+" soft-powered-down (ACPI D3-warm state).\n"
|
|||
|
+" It currently generates the standard AMD Magic Packet format, with\n"
|
|||
|
+" an optional password appended.\n"
|
|||
|
+"\n"
|
|||
|
+" The single required parameter is the Ethernet MAC (station) address\n"
|
|||
|
+" of the machine to wake or a host ID with known NSS 'ethers' entry.\n"
|
|||
|
+" The MAC address may be found with the 'arp' program while the target\n"
|
|||
|
+" machine is awake.\n"
|
|||
|
+"\n"
|
|||
|
+" Options:\n"
|
|||
|
+" -b Send wake-up packet to the broadcast address.\n"
|
|||
|
+" -D Increase the debug level.\n"
|
|||
|
+" -i ifname Use interface ifname instead of sending a wake packet to all interfaces.\n"
|
|||
|
+" -p <pw> Append the four or six byte password PW to the packet.\n"
|
|||
|
+" A password is only required for a few adapter types.\n"
|
|||
|
+" The password may be specified in ethernet hex format\n"
|
|||
|
+" or dotted decimal (Internet address)\n"
|
|||
|
+" -p 00:22:44:66:88:aa\n"
|
|||
|
+" -p 192.168.1.1\n";
|
|||
|
+
|
|||
|
+/*
|
|||
|
+ This program generates and transmits a Wake-On-LAN (WOL) "Magic Packet",
|
|||
|
+ used for restarting machines that have been soft-powered-down
|
|||
|
+ (ACPI D3-warm state). It currently generates the standard AMD Magic Packet
|
|||
|
+ format, with an optional password appended.
|
|||
|
+
|
|||
|
+ This software may be used and distributed according to the terms
|
|||
|
+ of the GNU Public License, incorporated herein by reference.
|
|||
|
+ Contact the author for use under other terms.
|
|||
|
+
|
|||
|
+ This source file was originally part of the network tricks package, and
|
|||
|
+ is now distributed to support the Scyld Beowulf system.
|
|||
|
+ Copyright 1999-2003 Donald Becker and Scyld Computing Corporation.
|
|||
|
+
|
|||
|
+ The author may be reached as becker@scyld, or C/O
|
|||
|
+ Scyld Computing Corporation
|
|||
|
+ 914 Bay Ridge Road, Suite 220
|
|||
|
+ Annapolis MD 21403
|
|||
|
+
|
|||
|
+ Notes:
|
|||
|
+ On some systems dropping root capability allows the process to be
|
|||
|
+ dumped, traced or debugged.
|
|||
|
+ If someone traces this program, they get control of a raw socket.
|
|||
|
+ Linux handles this safely, but beware when porting this program.
|
|||
|
+
|
|||
|
+ An alternative to needing 'root' is using a UDP broadcast socket, however
|
|||
|
+ doing so only works with adapters configured for unicast+broadcast Rx
|
|||
|
+ filter. That configuration consumes more power.
|
|||
|
+*/
|
|||
|
+
|
|||
|
+#include <unistd.h>
|
|||
|
+#include <stdlib.h>
|
|||
|
+#include <stdio.h>
|
|||
|
+#include <errno.h>
|
|||
|
+#include <ctype.h>
|
|||
|
+#include <string.h>
|
|||
|
+
|
|||
|
+#if 0 /* Only exists on some versions. */
|
|||
|
+#include <ioctls.h>
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+#include <sys/socket.h>
|
|||
|
+
|
|||
|
+#include <sys/types.h>
|
|||
|
+#include <sys/ioctl.h>
|
|||
|
+#include <linux/if.h>
|
|||
|
+
|
|||
|
+#include <features.h>
|
|||
|
+#if __GLIBC__ >= 2 && __GLIBC_MINOR >= 1
|
|||
|
+#include <netpacket/packet.h>
|
|||
|
+#include <net/ethernet.h>
|
|||
|
+#else
|
|||
|
+#include <asm/types.h>
|
|||
|
+#include <linux/if_packet.h>
|
|||
|
+#include <linux/if_ether.h>
|
|||
|
+#endif
|
|||
|
+#include <netdb.h>
|
|||
|
+#include <netinet/ether.h>
|
|||
|
+
|
|||
|
+#include "interface.h"
|
|||
|
+#include "sockets.h"
|
|||
|
+
|
|||
|
+/* Grrr, no consistency between include versions.
|
|||
|
+ Enable this if setsockopt() isn't declared with your library. */
|
|||
|
+#if 0
|
|||
|
+extern int setsockopt __P ((int __fd, int __level, int __optname,
|
|||
|
+ __ptr_t __optval, int __optlen));
|
|||
|
+#else /* New, correct head files. */
|
|||
|
+#include <sys/socket.h>
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+u_char outpack[1000];
|
|||
|
+int outpack_sz = 0;
|
|||
|
+int debug = 0;
|
|||
|
+u_char wol_passwd[6];
|
|||
|
+int wol_passwd_sz = 0;
|
|||
|
+
|
|||
|
+static int opt_no_src_addr = 0, opt_broadcast = 0;
|
|||
|
+
|
|||
|
+static int get_dest_addr(const char *arg, struct ether_addr *eaddr);
|
|||
|
+static int get_fill(unsigned char *pkt, struct ether_addr *eaddr);
|
|||
|
+static int get_wol_pw(const char *optarg);
|
|||
|
+
|
|||
|
+typedef struct {
|
|||
|
+ int s;
|
|||
|
+ int verbose;
|
|||
|
+ int pktsize;
|
|||
|
+} if_info;
|
|||
|
+
|
|||
|
+static int send_wol_packet(char *ifname, int s, int verbose, int pktsize);
|
|||
|
+
|
|||
|
+static int do_wake(struct interface *ife, void *cookie) {
|
|||
|
+ if_info *info = (if_info *)cookie;
|
|||
|
+ send_wol_packet(ife->name, info->s, info->verbose, info->pktsize);
|
|||
|
+ return 0;
|
|||
|
+}
|
|||
|
+
|
|||
|
+int main(int argc, char *argv[])
|
|||
|
+{
|
|||
|
+ char *ifname = NULL;
|
|||
|
+ int s; /* Raw socket */
|
|||
|
+ int errflag = 0, verbose = 0, do_version = 0;
|
|||
|
+ int perm_failure = 0;
|
|||
|
+ int c, pktsize;
|
|||
|
+ struct ether_addr eaddr;
|
|||
|
+ if_info info;
|
|||
|
+
|
|||
|
+ while ((c = getopt(argc, argv, "bDi:p:uvV")) != -1)
|
|||
|
+ switch (c) {
|
|||
|
+ case 'b': opt_broadcast++; break;
|
|||
|
+ case 'D': debug++; break;
|
|||
|
+ case 'i': ifname = optarg; break;
|
|||
|
+ case 'p': get_wol_pw(optarg); break;
|
|||
|
+ case 'u': printf("%s",usage_msg); return 0;
|
|||
|
+ case 'v': verbose++; break;
|
|||
|
+ case 'V': do_version++; break;
|
|||
|
+ case '?':
|
|||
|
+ errflag++;
|
|||
|
+ }
|
|||
|
+ if (verbose || do_version)
|
|||
|
+ printf("%s\n", version_msg);
|
|||
|
+ if (errflag) {
|
|||
|
+ fprintf(stderr,"%s", brief_usage_msg);
|
|||
|
+ return 3;
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ if (ifname == NULL) {
|
|||
|
+ fprintf(stderr, "Specify -i <interface>.\n");
|
|||
|
+ return 3;
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ if (optind == argc) {
|
|||
|
+ fprintf(stderr, "Specify the Ethernet address as 00:11:22:33:44:55.\n");
|
|||
|
+ return 3;
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ /* Note: PF_INET, SOCK_DGRAM, IPPROTO_UDP would allow SIOCGIFHWADDR to
|
|||
|
+ work as non-root, but we need SOCK_PACKET to specify the Ethernet
|
|||
|
+ destination address. */
|
|||
|
+#if defined(PF_PACKET)
|
|||
|
+ s = socket(PF_PACKET, SOCK_RAW, 0);
|
|||
|
+#else
|
|||
|
+ s = socket(AF_INET, SOCK_PACKET, SOCK_PACKET);
|
|||
|
+#endif
|
|||
|
+ if (s < 0) {
|
|||
|
+ if (errno == EPERM)
|
|||
|
+ fprintf(stderr, "ether-wake: This program must be run as root.\n");
|
|||
|
+ else
|
|||
|
+ perror("ether-wake: socket");
|
|||
|
+ perm_failure++;
|
|||
|
+ }
|
|||
|
+ /* Don't revert if debugging allows a normal user to get the raw socket. */
|
|||
|
+ setuid(getuid());
|
|||
|
+
|
|||
|
+ /* We look up the station address before reporting failure so that
|
|||
|
+ errors may be reported even when run as a normal user.
|
|||
|
+ */
|
|||
|
+ if (get_dest_addr(argv[optind], &eaddr) != 0)
|
|||
|
+ return 3;
|
|||
|
+ if (perm_failure && ! debug)
|
|||
|
+ return 2;
|
|||
|
+
|
|||
|
+ pktsize = get_fill(outpack, &eaddr);
|
|||
|
+
|
|||
|
+ if (ifname == NULL) {
|
|||
|
+ info.s = s;
|
|||
|
+ info.verbose = verbose;
|
|||
|
+ info.pktsize = pktsize;
|
|||
|
+
|
|||
|
+ /* Create a channel to the NET kernel. */
|
|||
|
+ if ((sockets_open(0)) < 0) {
|
|||
|
+ perror("socket");
|
|||
|
+ exit(1);
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ return for_all_interfaces(do_wake, &info);
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ return send_wol_packet(ifname, s, verbose, pktsize);
|
|||
|
+}
|
|||
|
+
|
|||
|
+/* Send a Wake-On-LAN (WOL) "Magic Packet" to Interface IFNAME using
|
|||
|
+ Socket S with a packet size PKTSIZE. VERBOSE implies
|
|||
|
+ verbosity. */
|
|||
|
+
|
|||
|
+static int send_wol_packet(char *ifname, int s, int verbose, int pktsize)
|
|||
|
+{
|
|||
|
+ int i;
|
|||
|
+ int one = 1; /* True, for socket options. */
|
|||
|
+#if defined(PF_PACKET)
|
|||
|
+ struct sockaddr_ll whereto;
|
|||
|
+#else
|
|||
|
+ struct sockaddr whereto; /* who to wake up */
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+ /* Fill in the source address, if possible.
|
|||
|
+ The code to retrieve the local station address is Linux specific. */
|
|||
|
+ if (! opt_no_src_addr) {
|
|||
|
+ struct ifreq if_hwaddr;
|
|||
|
+ const char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data;
|
|||
|
+
|
|||
|
+ strncpy(if_hwaddr.ifr_name, ifname, IFNAMSIZ);
|
|||
|
+ if_hwaddr.ifr_name[IFNAMSIZ-1] = '\0';
|
|||
|
+ if (ioctl(s, SIOCGIFHWADDR, &if_hwaddr) < 0) {
|
|||
|
+ fprintf(stderr, "SIOCGIFHWADDR on %s failed: %s\n", ifname,
|
|||
|
+ strerror(errno));
|
|||
|
+ /* Magic packets still work if our source address is bogus, but
|
|||
|
+ we fail just to be anal. */
|
|||
|
+ return 1;
|
|||
|
+ }
|
|||
|
+ memcpy(outpack+6, if_hwaddr.ifr_hwaddr.sa_data, 6);
|
|||
|
+
|
|||
|
+ if (verbose) {
|
|||
|
+ printf("The hardware address (SIOCGIFHWADDR) of %s is type %d "
|
|||
|
+ "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x.\n", ifname,
|
|||
|
+ if_hwaddr.ifr_hwaddr.sa_family, hwaddr[0], hwaddr[1],
|
|||
|
+ hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5]);
|
|||
|
+ }
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ if (wol_passwd_sz > 0) {
|
|||
|
+ memcpy(outpack+pktsize, wol_passwd, wol_passwd_sz);
|
|||
|
+ pktsize += wol_passwd_sz;
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ if (verbose > 1) {
|
|||
|
+ printf("The final packet is: ");
|
|||
|
+ for (i = 0; i < pktsize; i++)
|
|||
|
+ printf(" %2.2x", outpack[i]);
|
|||
|
+ printf(".\n");
|
|||
|
+ }
|
|||
|
+
|
|||
|
+ /* This is necessary for broadcasts to work */
|
|||
|
+ if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, (char *)&one, sizeof(one)) < 0)
|
|||
|
+ perror("setsockopt: SO_BROADCAST");
|
|||
|
+
|
|||
|
+#if defined(PF_PACKET)
|
|||
|
+ {
|
|||
|
+ struct ifreq ifr;
|
|||
|
+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
|
|||
|
+ ifr.ifr_name[IFNAMSIZ-1] = '\0';
|
|||
|
+ if (ioctl(s, SIOCGIFINDEX, &ifr) == -1) {
|
|||
|
+ fprintf(stderr, "SIOCGIFINDEX on %s failed: %s\n", ifname,
|
|||
|
+ strerror(errno));
|
|||
|
+ return 1;
|
|||
|
+ }
|
|||
|
+ memset(&whereto, 0, sizeof(whereto));
|
|||
|
+ whereto.sll_family = AF_PACKET;
|
|||
|
+ whereto.sll_ifindex = ifr.ifr_ifindex;
|
|||
|
+ /* The manual page incorrectly claims the address must be filled.
|
|||
|
+ We do so because the code may change to match the docs. */
|
|||
|
+ whereto.sll_halen = ETH_ALEN;
|
|||
|
+ memcpy(whereto.sll_addr, outpack, ETH_ALEN);
|
|||
|
+
|
|||
|
+ }
|
|||
|
+#else
|
|||
|
+ whereto.sa_family = 0;
|
|||
|
+ strcpy(whereto.sa_data, ifname);
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+ char senderrmsg[IFNAMSIZ+16] = "'";
|
|||
|
+ strcat(senderrmsg, ifname);
|
|||
|
+ strcat(senderrmsg, "', sendto");
|
|||
|
+ if ((i = sendto(s, outpack, pktsize, 0, (struct sockaddr *)&whereto,
|
|||
|
+ sizeof(whereto))) < 0)
|
|||
|
+ perror(senderrmsg);
|
|||
|
+ else if (debug)
|
|||
|
+ printf("'%s', Sendto worked ! %d.\n", ifname, i);
|
|||
|
+
|
|||
|
+#ifdef USE_SEND
|
|||
|
+ if (bind(s, (struct sockaddr *)&whereto, sizeof(whereto)) < 0)
|
|||
|
+ perror("bind");
|
|||
|
+ else if (send(s, outpack, 100, 0) < 0)
|
|||
|
+ perror("send");
|
|||
|
+#endif
|
|||
|
+#ifdef USE_SENDMSG
|
|||
|
+ {
|
|||
|
+ struct msghdr msghdr = { 0,};
|
|||
|
+ struct iovec iovector[1];
|
|||
|
+ msghdr.msg_name = &whereto;
|
|||
|
+ msghdr.msg_namelen = sizeof(whereto);
|
|||
|
+ msghdr.msg_iov = iovector;
|
|||
|
+ msghdr.msg_iovlen = 1;
|
|||
|
+ iovector[0].iov_base = outpack;
|
|||
|
+ iovector[0].iov_len = pktsize;
|
|||
|
+ if ((i = sendmsg(s, &msghdr, 0)) < 0)
|
|||
|
+ perror("sendmsg");
|
|||
|
+ else if (debug)
|
|||
|
+ printf("sendmsg worked, %d (%d).\n", i, errno);
|
|||
|
+ }
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+ return 0;
|
|||
|
+}
|
|||
|
+
|
|||
|
+/* Convert the host ID string to a MAC address.
|
|||
|
+ The string may be a
|
|||
|
+ Host name
|
|||
|
+ IP address string
|
|||
|
+ MAC address string
|
|||
|
+*/
|
|||
|
+
|
|||
|
+static int get_dest_addr(const char *hostid, struct ether_addr *eaddr)
|
|||
|
+{
|
|||
|
+ struct ether_addr *eap;
|
|||
|
+
|
|||
|
+ eap = ether_aton(hostid);
|
|||
|
+ if (eap) {
|
|||
|
+ *eaddr = *eap;
|
|||
|
+ if (debug)
|
|||
|
+ fprintf(stderr, "The target station address is %s.\n",
|
|||
|
+ ether_ntoa(eaddr));
|
|||
|
+ } else if (ether_hostton(hostid, eaddr) == 0) {
|
|||
|
+ if (debug)
|
|||
|
+ fprintf(stderr, "Station address for hostname %s is %s.\n",
|
|||
|
+ hostid, ether_ntoa(eaddr));
|
|||
|
+ } else {
|
|||
|
+ (void)fprintf(stderr,
|
|||
|
+ "ether-wake: The Magic Packet host address must be "
|
|||
|
+ "specified as\n"
|
|||
|
+ " - a station address, 00:11:22:33:44:55, or\n"
|
|||
|
+ " - a hostname with a known 'ethers' entry.\n");
|
|||
|
+ return -1;
|
|||
|
+ }
|
|||
|
+ return 0;
|
|||
|
+}
|
|||
|
+
|
|||
|
+
|
|||
|
+static int get_fill(unsigned char *pkt, struct ether_addr *eaddr)
|
|||
|
+{
|
|||
|
+ int offset, i;
|
|||
|
+ unsigned char *station_addr = eaddr->ether_addr_octet;
|
|||
|
+
|
|||
|
+ if (opt_broadcast)
|
|||
|
+ memset(pkt+0, 0xff, 6);
|
|||
|
+ else
|
|||
|
+ memcpy(pkt, station_addr, 6);
|
|||
|
+ memcpy(pkt+6, station_addr, 6);
|
|||
|
+ pkt[12] = 0x08; /* Or 0x0806 for ARP, 0x8035 for RARP */
|
|||
|
+ pkt[13] = 0x42;
|
|||
|
+ offset = 14;
|
|||
|
+
|
|||
|
+ memset(pkt+offset, 0xff, 6);
|
|||
|
+ offset += 6;
|
|||
|
+
|
|||
|
+ for (i = 0; i < 16; i++) {
|
|||
|
+ memcpy(pkt+offset, station_addr, 6);
|
|||
|
+ offset += 6;
|
|||
|
+ }
|
|||
|
+ if (debug) {
|
|||
|
+ fprintf(stderr, "Packet is ");
|
|||
|
+ for (i = 0; i < offset; i++)
|
|||
|
+ fprintf(stderr, " %2.2x", pkt[i]);
|
|||
|
+ fprintf(stderr, ".\n");
|
|||
|
+ }
|
|||
|
+ return offset;
|
|||
|
+}
|
|||
|
+
|
|||
|
+static int get_wol_pw(const char *optarg)
|
|||
|
+{
|
|||
|
+ int passwd[6];
|
|||
|
+ int byte_cnt;
|
|||
|
+ int i;
|
|||
|
+
|
|||
|
+ byte_cnt = sscanf(optarg, "%2x:%2x:%2x:%2x:%2x:%2x",
|
|||
|
+ &passwd[0], &passwd[1], &passwd[2],
|
|||
|
+ &passwd[3], &passwd[4], &passwd[5]);
|
|||
|
+ if (byte_cnt < 4)
|
|||
|
+ byte_cnt = sscanf(optarg, "%d.%d.%d.%d",
|
|||
|
+ &passwd[0], &passwd[1], &passwd[2], &passwd[3]);
|
|||
|
+ if (byte_cnt < 4) {
|
|||
|
+ fprintf(stderr, "Unable to read the Wake-On-LAN password.\n");
|
|||
|
+ return 0;
|
|||
|
+ }
|
|||
|
+ printf(" The Magic packet password is %2.2x %2.2x %2.2x %2.2x (%d).\n",
|
|||
|
+ passwd[0], passwd[1], passwd[2], passwd[3], byte_cnt);
|
|||
|
+ for (i = 0; i < byte_cnt; i++)
|
|||
|
+ wol_passwd[i] = passwd[i];
|
|||
|
+ return wol_passwd_sz = byte_cnt;
|
|||
|
+}
|
|||
|
+
|
|||
|
+#if 0
|
|||
|
+{
|
|||
|
+ to = (struct sockaddr_in *)&whereto;
|
|||
|
+ to->sin_family = AF_INET;
|
|||
|
+ if (inet_aton(target, &to->sin_addr)) {
|
|||
|
+ hostname = target;
|
|||
|
+ }
|
|||
|
+ memset (&sa, 0, sizeof sa);
|
|||
|
+ sa.sa_family = AF_INET;
|
|||
|
+ strncpy (sa.sa_data, interface, sizeof sa.sa_data);
|
|||
|
+ sendto (sock, buf, bufix + len, 0, &sa, sizeof sa);
|
|||
|
+ strncpy (sa.sa_data, interface, sizeof sa.sa_data);
|
|||
|
+#if 1
|
|||
|
+ sendto (sock, buf, bufix + len, 0, &sa, sizeof sa);
|
|||
|
+#else
|
|||
|
+ bind (sock, &sa, sizeof sa);
|
|||
|
+ connect();
|
|||
|
+ send (sock, buf, bufix + len, 0);
|
|||
|
+#endif
|
|||
|
+}
|
|||
|
+#endif
|
|||
|
+
|
|||
|
+
|
|||
|
+/*
|
|||
|
+ * Local variables:
|
|||
|
+ * compile-command: "gcc -O -Wall -o ether-wake ether-wake.c"
|
|||
|
+ * c-indent-level: 4
|
|||
|
+ * c-basic-offset: 4
|
|||
|
+ * c-indent-level: 4
|
|||
|
+ * tab-width: 4
|
|||
|
+ * End:
|
|||
|
+ */
|
|||
|
diff --git a/man/en_US/ether-wake.8 b/man/en_US/ether-wake.8
|
|||
|
new file mode 100644
|
|||
|
index 0000000..d0569c2
|
|||
|
--- /dev/null
|
|||
|
+++ b/man/en_US/ether-wake.8
|
|||
|
@@ -0,0 +1,81 @@
|
|||
|
+.\" Hey, EMACS: -*- nroff -*-
|
|||
|
+.\" First parameter, NAME, should be all caps
|
|||
|
+.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
|
|||
|
+.\" other parameters are allowed: see man(7), man(1)
|
|||
|
+.TH ETHER-WAKE 8 "March 31, 2003" "Scyld"
|
|||
|
+.\" Please adjust this date whenever revising the manpage.
|
|||
|
+.\"
|
|||
|
+.\" Some roff macros, for reference:
|
|||
|
+.\" .nh disable hyphenation
|
|||
|
+.\" .hy enable hyphenation
|
|||
|
+.\" .ad l left justify
|
|||
|
+.\" .ad b justify to both left and right margins
|
|||
|
+.\" .nf disable filling
|
|||
|
+.\" .fi enable filling
|
|||
|
+.\" .br insert line break
|
|||
|
+.\" .sp <n> insert n+1 empty lines
|
|||
|
+.\" for manpage-specific macros, see man(7)
|
|||
|
+.SH NAME
|
|||
|
+ether-wake \- A tool to send a Wake-On-LAN "Magic Packet"
|
|||
|
+.SH SYNOPSIS
|
|||
|
+.B ether-wake
|
|||
|
+.RI [ options ] " Host-ID"
|
|||
|
+.SH DESCRIPTION
|
|||
|
+This manual page documents the usage of the
|
|||
|
+.B ether-wake
|
|||
|
+command.
|
|||
|
+.PP
|
|||
|
+.\" TeX users may be more comfortable with the \fB<whatever>\fP and
|
|||
|
+.\" \fI<whatever>\fP escape sequences to invoke bold face and italics,
|
|||
|
+.\" respectively.
|
|||
|
+\fBether-wake\fP is a program that generates and transmits a Wake-On-LAN
|
|||
|
+(WOL) "Magic Packet", used for restarting machines that have been
|
|||
|
+soft-powered-down (ACPI D3-warm state). It generates the standard
|
|||
|
+AMD Magic Packet format, optionally with a password included. The
|
|||
|
+single required parameter is a station (MAC) address or a host ID that can
|
|||
|
+be translated to a MAC address by an
|
|||
|
+.BR ethers (5)
|
|||
|
+database specified in
|
|||
|
+.BR nsswitch.conf (5)
|
|||
|
+.
|
|||
|
+.SH OPTIONS
|
|||
|
+\fBether-wake\fP needs a single dash (´-´) in front of options.
|
|||
|
+A summary of options is included below.
|
|||
|
+.TP
|
|||
|
+.B \-b
|
|||
|
+Send the wake-up packet to the broadcast address.
|
|||
|
+.TP
|
|||
|
+.B \-D
|
|||
|
+Increase the Debug Level.
|
|||
|
+.TP
|
|||
|
+.B \-i ifname
|
|||
|
+Use interface ifname instead of sending a wake packet to all interfaces.
|
|||
|
+.TP
|
|||
|
+.B \-p passwd
|
|||
|
+Append a four or six byte password to the packet. Only a few adapters
|
|||
|
+need or support this. A six byte password may be specified in Ethernet hex
|
|||
|
+format (00:22:44:66:88:aa) or four byte dotted decimal (192.168.1.1) format.
|
|||
|
+A four byte password must use the dotted decimal format.
|
|||
|
+
|
|||
|
+.TP
|
|||
|
+.B \-V
|
|||
|
+Show the program version information.
|
|||
|
+
|
|||
|
+.SH EXIT STATUS
|
|||
|
+This program returns 0 on success.
|
|||
|
+A permission failures (e.g. run as a non-root user) results in an exit
|
|||
|
+status of 2. Unrecognized or invalid parameters result in an exit
|
|||
|
+status of 3. Failure to retrieve network interface information or send
|
|||
|
+a packet will result in an exit status of 1.
|
|||
|
+
|
|||
|
+.SH SEE ALSO
|
|||
|
+.BR arp (8).
|
|||
|
+.br
|
|||
|
+.SH SECURITY
|
|||
|
+On some non-Linux systems dropping root capability allows the process to be
|
|||
|
+dumped, traced or debugged.
|
|||
|
+If someone traces this program, they get control of a raw socket.
|
|||
|
+Linux handles this safely, but beware when porting this program.
|
|||
|
+.SH AUTHOR
|
|||
|
+The ether-wake program was written by Donald Becker at Scyld Computing
|
|||
|
+Corporation for use with the Scyld(\*(Tm) Beowulf System.
|
|||
|
--
|
|||
|
2.13.1
|
|||
|
|