- int do_listen = 0, lport = 0, delay = 0, wsecs = 0, execflag = 0, opt,
- sfd = 0, cfd;
- struct sockaddr_in address;
- struct hostent *hostinfo;
- fd_set readfds, testfds;
- char *infile = NULL;
-
- memset(&address, 0, sizeof(address));
-
- if (ENABLE_NC_SERVER || ENABLE_NC_EXTRA) {
- while ((opt = getopt(argc, argv, "lp:" USE_NC_EXTRA("i:ew:f:"))) > 0) {
- if (ENABLE_NC_SERVER && opt=='l') do_listen++;
- else if (ENABLE_NC_SERVER && opt=='p')
- lport = bb_lookup_port(optarg, "tcp", 0);
- else if (ENABLE_NC_EXTRA && opt=='w') wsecs = atoi(optarg);
- else if (ENABLE_NC_EXTRA && opt=='i') delay = atoi(optarg);
- else if (ENABLE_NC_EXTRA && opt=='f') infile = optarg;
- else if (ENABLE_NC_EXTRA && opt=='e' && optind!=argc) {
- execflag++;
- break;
+ /* sfd sits _here_ only because of "repeat" option (-l -l). */
+ int sfd = sfd; /* for gcc */
+ int cfd = 0;
+ unsigned lport = 0;
+ IF_NOT_NC_SERVER(const) unsigned do_listen = 0;
+ IF_NOT_NC_EXTRA (const) unsigned wsecs = 0;
+ IF_NOT_NC_EXTRA (const) unsigned delay = 0;
+ IF_NOT_NC_EXTRA (const int execparam = 0;)
+ IF_NC_EXTRA (char **execparam = NULL;)
+ struct pollfd pfds[2];
+ int opt; /* must be signed (getopt returns -1) */
+
+ if (ENABLE_NC_SERVER || ENABLE_NC_EXTRA) {
+ /* getopt32 is _almost_ usable:
+ ** it cannot handle "... -e PROG -prog-opt" */
+ while ((opt = getopt(argc, argv,
+ "" IF_NC_SERVER("lp:") IF_NC_EXTRA("w:i:f:e:") )) > 0
+ ) {
+ if (ENABLE_NC_SERVER && opt == 'l')
+ IF_NC_SERVER(do_listen++);
+ else if (ENABLE_NC_SERVER && opt == 'p')
+ IF_NC_SERVER(lport = bb_lookup_port(optarg, "tcp", 0));
+ else if (ENABLE_NC_EXTRA && opt == 'w')
+ IF_NC_EXTRA( wsecs = xatou(optarg));
+ else if (ENABLE_NC_EXTRA && opt == 'i')
+ IF_NC_EXTRA( delay = xatou(optarg));
+ else if (ENABLE_NC_EXTRA && opt == 'f')
+ IF_NC_EXTRA( cfd = xopen(optarg, O_RDWR));
+ else if (ENABLE_NC_EXTRA && opt == 'e' && optind <= argc) {
+ /* We cannot just 'break'. We should let getopt finish.
+ ** Or else we won't be able to find where
+ ** 'host' and 'port' params are
+ ** (think "nc -w 60 host port -e PROG"). */
+ IF_NC_EXTRA(
+ char **p;
+ // +2: one for progname (optarg) and one for NULL
+ execparam = xzalloc(sizeof(char*) * (argc - optind + 2));
+ p = execparam;
+ *p++ = optarg;
+ while (optind < argc) {
+ *p++ = argv[optind++];
+ }
+ )
+ /* optind points to argv[argc] (NULL) now.
+ ** FIXME: we assume that getopt will not count options
+ ** possibly present on "-e PROG ARGS" and will not
+ ** include them into final value of optind
+ ** which is to be used ... */