179 lines
5.8 KiB
Diff
179 lines
5.8 KiB
Diff
diff -up net-tools-2.0/ether-wake.c.interfaces net-tools-2.0/ether-wake.c
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--- net-tools-2.0/ether-wake.c.interfaces 2015-09-15 18:02:18.595968129 +0200
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+++ net-tools-2.0/ether-wake.c 2015-09-15 18:02:18.607968095 +0200
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@@ -22,7 +22,7 @@ static char usage_msg[] =
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" Options:\n"
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" -b Send wake-up packet to the broadcast address.\n"
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" -D Increase the debug level.\n"
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-" -i ifname Use interface IFNAME instead of the default 'eth0'.\n"
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+" -i ifname Use interface ifname instead of sending a wake packet to all interfaces.\n"
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" -p <pw> Append the four or six byte password PW to the packet.\n"
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" A password is only required for a few adapter types.\n"
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" The password may be specified in ethernet hex format\n"
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@@ -89,6 +89,9 @@ static char usage_msg[] =
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#include <netdb.h>
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#include <netinet/ether.h>
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+#include "interface.h"
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+#include "sockets.h"
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+
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/* Grrr, no consistency between include versions.
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Enable this if setsockopt() isn't declared with your library. */
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#if 0
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@@ -110,20 +113,29 @@ static int get_dest_addr(const char *arg
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static int get_fill(unsigned char *pkt, struct ether_addr *eaddr);
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static int get_wol_pw(const char *optarg);
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+typedef struct {
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+ int s;
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+ int verbose;
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+ int pktsize;
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+} if_info;
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+
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+static int send_wol_packet(char *ifname, int s, int verbose, int pktsize);
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+
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+static int do_wake(struct interface *ife, void *cookie) {
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+ if_info *info = (if_info *)cookie;
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+ send_wol_packet(ife->name, info->s, info->verbose, info->pktsize);
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+ return 0;
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+}
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+
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int main(int argc, char *argv[])
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{
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- char *ifname = "eth0";
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- int one = 1; /* True, for socket options. */
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+ char *ifname = NULL;
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int s; /* Raw socket */
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int errflag = 0, verbose = 0, do_version = 0;
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int perm_failure = 0;
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- int i, c, pktsize;
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-#if defined(PF_PACKET)
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- struct sockaddr_ll whereto;
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-#else
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- struct sockaddr whereto; /* who to wake up */
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-#endif
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+ int c, pktsize;
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struct ether_addr eaddr;
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+ if_info info;
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while ((c = getopt(argc, argv, "bDi:p:uvV")) != -1)
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switch (c) {
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@@ -131,7 +143,7 @@ int main(int argc, char *argv[])
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case 'D': debug++; break;
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case 'i': ifname = optarg; break;
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case 'p': get_wol_pw(optarg); break;
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- case 'u': printf(usage_msg); return 0;
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+ case 'u': printf("%s",usage_msg); return 0;
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case 'v': verbose++; break;
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case 'V': do_version++; break;
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case '?':
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@@ -140,7 +152,7 @@ int main(int argc, char *argv[])
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if (verbose || do_version)
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printf("%s\n", version_msg);
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if (errflag) {
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- fprintf(stderr, brief_usage_msg);
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+ fprintf(stderr,"%s", brief_usage_msg);
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return 3;
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}
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@@ -177,13 +189,45 @@ int main(int argc, char *argv[])
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pktsize = get_fill(outpack, &eaddr);
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+ if (ifname == NULL) {
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+ info.s = s;
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+ info.verbose = verbose;
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+ info.pktsize = pktsize;
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+
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+ /* Create a channel to the NET kernel. */
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+ if ((sockets_open(0)) < 0) {
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+ perror("socket");
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+ exit(1);
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+ }
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+
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+ return for_all_interfaces(do_wake, &info);
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+ }
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+
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+ return send_wol_packet(ifname, s, verbose, pktsize);
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+}
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+
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+/* Send a Wake-On-LAN (WOL) "Magic Packet" to Interface IFNAME using
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+ Socket S with a packet size PKTSIZE. VERBOSE implies
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+ verbosity. */
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+
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+static int send_wol_packet(char *ifname, int s, int verbose, int pktsize)
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+{
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+ int i;
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+ int one = 1; /* True, for socket options. */
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+#if defined(PF_PACKET)
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+ struct sockaddr_ll whereto;
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+#else
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+ struct sockaddr whereto; /* who to wake up */
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+#endif
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+
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/* Fill in the source address, if possible.
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The code to retrieve the local station address is Linux specific. */
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if (! opt_no_src_addr) {
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struct ifreq if_hwaddr;
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- unsigned char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data;
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+ const char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data;
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- strcpy(if_hwaddr.ifr_name, ifname);
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+ strncpy(if_hwaddr.ifr_name, ifname, IFNAMSIZ);
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+ if_hwaddr.ifr_name[IFNAMSIZ-1] = '\0';
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if (ioctl(s, SIOCGIFHWADDR, &if_hwaddr) < 0) {
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fprintf(stderr, "SIOCGIFHWADDR on %s failed: %s\n", ifname,
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strerror(errno));
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@@ -220,7 +264,8 @@ int main(int argc, char *argv[])
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#if defined(PF_PACKET)
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{
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struct ifreq ifr;
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- strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
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+ strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
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+ ifr.ifr_name[IFNAMSIZ-1] = '\0';
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if (ioctl(s, SIOCGIFINDEX, &ifr) == -1) {
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fprintf(stderr, "SIOCGIFINDEX on %s failed: %s\n", ifname,
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strerror(errno));
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@@ -240,11 +285,14 @@ int main(int argc, char *argv[])
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strcpy(whereto.sa_data, ifname);
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#endif
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+ char senderrmsg[IFNAMSIZ+16] = "'";
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+ strcat(senderrmsg, ifname);
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+ strcat(senderrmsg, "', sendto");
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if ((i = sendto(s, outpack, pktsize, 0, (struct sockaddr *)&whereto,
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sizeof(whereto))) < 0)
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- perror("sendto");
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+ perror(senderrmsg);
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else if (debug)
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- printf("Sendto worked ! %d.\n", i);
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+ printf("'%s', Sendto worked ! %d.\n", ifname, i);
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#ifdef USE_SEND
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if (bind(s, (struct sockaddr *)&whereto, sizeof(whereto)) < 0)
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diff -up net-tools-2.0/Makefile.interfaces net-tools-2.0/Makefile
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--- net-tools-2.0/Makefile.interfaces 2015-09-15 18:02:18.608968093 +0200
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+++ net-tools-2.0/Makefile 2015-09-15 18:04:06.273668275 +0200
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@@ -193,6 +193,9 @@ ipmaddr: $(NET_LIB) ipmaddr.o
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mii-tool: $(NET_LIB) mii-tool.o
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ mii-tool.o $(NLIB)
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+ether-wake: $(NET_LIB) ether-wake.o
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+ $(CC) $(CFLAGS) $(LDFLAGS) -o ether-wake ether-wake.o $(NLIB)
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+
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installbin:
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@echo
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@echo "######################################################"
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diff -up net-tools-2.0/man/en_US/ether-wake.8.interfaces net-tools-2.0/man/en_US/ether-wake.8
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--- net-tools-2.0/man/en_US/ether-wake.8.interfaces 2015-09-15 18:02:18.597968123 +0200
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+++ net-tools-2.0/man/en_US/ether-wake.8 2015-09-15 18:02:18.608968093 +0200
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@@ -49,7 +49,7 @@ Send the wake-up packet to the broadcast
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Increase the Debug Level.
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.TP
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.B \-i ifname
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-Use interface ifname instead of the default "eth0".
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+Use interface ifname instead of sending a wake packet to all interfaces.
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.TP
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.B \-p passwd
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Append a four or six byte password to the packet. Only a few adapters
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