diff options
Diffstat (limited to 'networking/ether-wake.c')
| -rw-r--r-- | networking/ether-wake.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/networking/ether-wake.c b/networking/ether-wake.c index 71c3abf..ed41590 100644 --- a/networking/ether-wake.c +++ b/networking/ether-wake.c @@ -182,11 +182,10 @@ int ether_wake_main(int argc, char **argv); int ether_wake_main(int argc, char **argv) { const char *ifname = "eth0"; - char *pass = NULL; + char *pass; unsigned flags; unsigned char wol_passwd[6]; int wol_passwd_sz = 0; - int s; /* Raw socket */ int pktsize; unsigned char outpack[1000]; @@ -195,23 +194,23 @@ int ether_wake_main(int argc, char **argv) struct whereto_t whereto; /* who to wake up */ /* handle misc user options */ + opt_complementary = "=1"; flags = getopt32(argc, argv, "bi:p:", &ifname, &pass); - if (optind == argc) - bb_show_usage(); - if (pass) + if (flags & 4) /* -p */ wol_passwd_sz = get_wol_pw(pass, wol_passwd); + flags &= 1; /* we further interested only in -b [bcast] flag */ /* create the raw socket */ s = make_socket(); /* now that we have a raw socket we can drop root */ - xsetuid(getuid()); + /* xsetuid(getuid()); - but save on code size... */ /* look up the dest mac address */ get_dest_addr(argv[optind], &eaddr); /* fill out the header of the packet */ - pktsize = get_fill(outpack, &eaddr, flags & 1 /* OPT_BROADCAST */); + pktsize = get_fill(outpack, &eaddr, flags /* & 1 OPT_BROADCAST */); bb_debug_dump_packet(outpack, pktsize); @@ -249,7 +248,7 @@ int ether_wake_main(int argc, char **argv) bb_debug_dump_packet(outpack, pktsize); /* This is necessary for broadcasts to work */ - if (flags & 1 /* OPT_BROADCAST */) { + if (flags /* & 1 OPT_BROADCAST */) { if (setsockopt_broadcast(s) != 0) bb_perror_msg("SO_BROADCAST"); } |