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File _service:tar_scm:backport-ether-wake-interfaces.patch of Package net-tools
diff -up net-tools-2.0/ether-wake.c.interfaces net-tools-2.0/ether-wake.c --- net-tools-2.0/ether-wake.c.interfaces 2015-09-15 18:02:18.595968129 +0200 +++ net-tools-2.0/ether-wake.c 2015-09-15 18:02:18.607968095 +0200 @@ -22,7 +22,7 @@ static char usage_msg[] = " 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 the default 'eth0'.\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" @@ -89,6 +89,9 @@ static char usage_msg[] = #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 @@ -110,20 +113,29 @@ static int get_dest_addr(const char *arg 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 = "eth0"; - int one = 1; /* True, for socket options. */ + char *ifname = NULL; int s; /* Raw socket */ int errflag = 0, verbose = 0, do_version = 0; int perm_failure = 0; - int i, c, pktsize; -#if defined(PF_PACKET) - struct sockaddr_ll whereto; -#else - struct sockaddr whereto; /* who to wake up */ -#endif + int c, pktsize; struct ether_addr eaddr; + if_info info; while ((c = getopt(argc, argv, "bDi:p:uvV")) != -1) switch (c) { @@ -131,7 +143,7 @@ int main(int argc, char *argv[]) case 'D': debug++; break; case 'i': ifname = optarg; break; case 'p': get_wol_pw(optarg); break; - case 'u': printf(usage_msg); return 0; + case 'u': printf("%s",usage_msg); return 0; case 'v': verbose++; break; case 'V': do_version++; break; case '?': @@ -140,7 +152,7 @@ int main(int argc, char *argv[]) if (verbose || do_version) printf("%s\n", version_msg); if (errflag) { - fprintf(stderr, brief_usage_msg); + fprintf(stderr,"%s", brief_usage_msg); return 3; } @@ -177,13 +189,45 @@ int main(int argc, char *argv[]) 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; - unsigned char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data; + const char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data; - strcpy(if_hwaddr.ifr_name, ifname); + 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)); @@ -220,7 +264,8 @@ int main(int argc, char *argv[]) #if defined(PF_PACKET) { struct ifreq ifr; - strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); + 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)); @@ -240,11 +285,14 @@ int main(int argc, char *argv[]) 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("sendto"); + perror(senderrmsg); else if (debug) - printf("Sendto worked ! %d.\n", i); + printf("'%s', Sendto worked ! %d.\n", ifname, i); #ifdef USE_SEND if (bind(s, (struct sockaddr *)&whereto, sizeof(whereto)) < 0) diff -up net-tools-2.0/Makefile.interfaces net-tools-2.0/Makefile --- net-tools-2.0/Makefile.interfaces 2015-09-15 18:02:18.608968093 +0200 +++ net-tools-2.0/Makefile 2015-09-15 18:04:06.273668275 +0200 @@ -193,6 +193,9 @@ 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 "######################################################" diff -up net-tools-2.0/man/en_US/ether-wake.8.interfaces net-tools-2.0/man/en_US/ether-wake.8 --- net-tools-2.0/man/en_US/ether-wake.8.interfaces 2015-09-15 18:02:18.597968123 +0200 +++ net-tools-2.0/man/en_US/ether-wake.8 2015-09-15 18:02:18.608968093 +0200 @@ -49,7 +49,7 @@ Send the wake-up packet to the broadcast Increase the Debug Level. .TP .B \-i ifname -Use interface ifname instead of the default "eth0". +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
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