--- netcat-1.10.orig/netcat.c Tue Jun 4 15:35:49 2002 +++ netcat-1.10/netcat.c Tue Jun 4 15:35:54 2002 @@ -166,6 +166,7 @@ /* global cmd flags: */ USHORT o_alla = 0; +USHORT o_allowbroad = 0; unsigned int o_interval = 0; USHORT o_listen = 0; USHORT o_nflag = 0; @@ -641,6 +642,13 @@ rr = setsockopt (nnetfd, SOL_SOCKET, SO_REUSEADDR, &x, sizeof (x)); if (rr == -1) holler ("nnetfd reuseaddr failed"); /* ??? */ +#ifdef SO_BROADCAST + if (o_allowbroad) { + rr = setsockopt (nnetfd, SOL_SOCKET, SO_BROADCAST, &x, sizeof (x)); + if (rr == -1) + holler ("nnetfd reuseaddr failed"); /* ??? */ + } +#endif #ifdef SO_REUSEPORT /* doesnt exist everywhere... */ rr = setsockopt (nnetfd, SOL_SOCKET, SO_REUSEPORT, &x, sizeof (x)); if (rr == -1) @@ -1431,12 +1439,14 @@ /* If your shitbox doesn't have getopt, step into the nineties already. */ /* optarg, optind = next-argv-component [i.e. flag arg]; optopt = last-char */ - while ((x = getopt (argc, argv, "ae:g:G:hi:lno:p:rs:tuvw:z")) != EOF) { + while ((x = getopt (argc, argv, "abe:g:G:hi:lno:p:rs:tuvw:z")) != EOF) { /* Debug (("in go: x now %c, optarg %x optind %d", x, optarg, optind)) */ switch (x) { case 'a': bail ("all-A-records NIY"); o_alla++; break; + case 'b': + o_allowbroad++; break; #ifdef GAPING_SECURITY_HOLE case 'e': /* prog to exec */ pr00gie = optarg; @@ -1692,6 +1702,7 @@ -e prog program to exec after connect [dangerous!!]"); #endif holler ("\ + -b allow broadcasts\n\ -g gateway source-routing hop point[s], up to 8\n\ -G num source-routing pointer: 4, 8, 12, ...\n\ -h this cruft\n\