On Sat, 6 Oct 2007, Jan Engelhardt wrote:
+struct tcp_optionmap_struct {
+ const char *name;
+ const int option;
+ const char *desc;
+};
+static const struct tcp_optionmap_struct tcp_optionmap[] = {
+ {"wscale", TCPOPT_WINDOW},
+ {"mss", TCPOPT_MAXSEG},
+ {"sack-permitted", TCPOPT_SACK_PERMITTED},
+ {"sack", TCPOPT_SACK},
+ {"timestamp", TCPOPT_TIMESTAMP},
+ {"md5", TCPOPT_MD5SIG},
+ {NULL},
+};
We could convert spaces into tabs here, plus:
+ {"mss", TCPOPT_MAXSEG, "Maximum Segment Size"},
+ {"wscale", TCPOPT_WINDOW, "Window Scale"},
+ {"sack-permitted", TCPOPT_SACK_PERMITTED, "SACK Permitted"},
+ {"sack", TCPOPT_SACK, "SACK"},
+ {"timestamp", TCPOPT_TIMESTAMP, "Time Stamp"},
+ {"md5", TCPOPT_MD5SIG, "MD5 Signature"},
+ {NULL},
...
+static void tcpoptstrip_help(void)
+{
+ int i;
+ printf(
+"TCPOPTSTRIP target options:\n"
+" --strip-options value strip specified TCP options denoted by value\n"
+" (separated by comma) from TCP header\n"
+" Instead of the numeric value, you can also use the following names:\n"
+ );
+ for (i = 0; tcp_optionmap[i].name != NULL; ++i) {
+ printf("\t%s\t%s\n", tcp_optionmap[i].name, tcp_optionmap[i].desc);
+ };
And remove this:
+" mss strip MSS option\n"
+" wscale strip window scaling option\n"
+" sack-permitted strip \"SACK permitted\" option\n"
+" sack strip SACK option\n"
+" timestamp strip timestamp option\n"
+" md5 strip MD5 signature option (RFC2385)\n"
+ );
Best regsrds,
Krzysztof Olędzki
