PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2026-01-04 05:39:01 +00:00
Code Issues Projects Releases Wiki Activity

Added new options --data <hex string> and --data-string <string> to send custom payloads in scan packet data.

Browse Source
This commit is contained in:
jay
2014-06-15 14:49:25 +00:00
parent 1e5295a99d
commit beb7aee9d0
6 changed files with 110 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
nmap.cc
View File

@@ -302,6 +302,8 @@ static void printusage(int rc) {
" -e <iface>: Use specified interface\n"
" -g/--source-port <portnum>: Use given port number\n"
" --proxies <url1,[url2],...>: Relay connections through HTTP/SOCKS4 proxies\n"
" --data <hex string>: Append a custom payload to sent packets\n"
" --data-string <string>: Append a custom ASCII string to sent packets\n"
" --data-length <num>: Append random data to sent packets\n"
" --ip-options <options>: Send packets with specified ip options\n"
" --ttl <val>: Set IP time-to-live field\n"
@@ -582,6 +584,9 @@ void parse_options(int argc, char **argv) {
{"packet-trace", no_argument, 0, 0}, /* Display all packets sent/rcv */
{"version_trace", no_argument, 0, 0}, /* Display -sV related activity */
{"version-trace", no_argument, 0, 0}, /* Display -sV related activity */
{"data", required_argument, 0, 0},
{"data_string", required_argument, 0, 0},
{"data-string", required_argument, 0, 0},
{"data_length", required_argument, 0, 0},
{"data-length", required_argument, 0, 0},
{"send_eth", no_argument, 0, 0},
@@ -819,7 +824,32 @@ void parse_options(int argc, char **argv) {
} else if (optcmp(long_options[option_index].name, "version-trace") == 0) {
o.setVersionTrace(true);
o.debugging++;
} else if (optcmp(long_options[option_index].name, "data") == 0) {
if (o.extra_payload)
fatal("Can't use the --data option(s) multiple times, or together.");
u8 *tempbuff=NULL;
size_t len=0;
if( (tempbuff=parse_hex_string(optarg, &len))==NULL)
fatal("Invalid hex string specified");
else {
o.extra_payload_length = len;
o.extra_payload = (char *) safe_malloc(o.extra_payload_length);
memcpy(o.extra_payload, tempbuff, len);
}
if (o.extra_payload_length > 1400) /* 1500 - IP with opts - TCP with opts. */
error("WARNING: Payloads bigger than 1400 bytes may not be sent successfully.");
} else if (optcmp(long_options[option_index].name, "data-string") == 0) {
if (o.extra_payload)
fatal("Can't use the --data option(s) multiple times, or together.");
o.extra_payload_length = strlen(optarg);
if (o.extra_payload_length < 0 || o.extra_payload_length > MAX_PAYLOAD_ALLOWED)
fatal("string length must be between 0 and %d", MAX_PAYLOAD_ALLOWED);
if (o.extra_payload_length > 1400) /* 1500 - IP with opts - TCP with opts. */
error("WARNING: Payloads bigger than 1400 bytes may not be sent successfully.");
o.extra_payload = strdup(optarg);
} else if (optcmp(long_options[option_index].name, "data-length") == 0) {
if (o.extra_payload)
fatal("Can't use the --data option(s) multiple times, or together.");
o.extra_payload_length = (int)strtol(optarg, NULL, 10);
if (o.extra_payload_length < 0 || o.extra_payload_length > MAX_PAYLOAD_ALLOWED)
fatal("data-length must be between 0 and %d", MAX_PAYLOAD_ALLOWED);