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Implement Evil bit option in Nping. Fixes #2486

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nnposter
2022-06-27 02:38:51 +00:00
parent b8d3d9cff2
commit d00a80d398
6 changed files with 59 additions and 3 deletions
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11
nping/ArgParser.cc
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@@ -101,6 +101,7 @@ int ArgParser::parseArguments(int argc, char *argv[]) {
u8 *auxbuff=NULL;
u16 *portlist=NULL;
char errstr[256];
char *script_kiddie;
struct option long_options[] = {
@@ -188,6 +189,7 @@ int ArgParser::parseArguments(int argc, char *argv[]) {
{"id", required_argument, 0, 0},
{"df", no_argument, 0, 0},
{"mf", no_argument, 0, 0},
{"evil", no_argument, 0, 0},
{"ttl", required_argument, 0, 0},
{"badsum-ip", no_argument, 0, 0},
{"ip-options", required_argument, 0, 0},
@@ -700,6 +702,9 @@ int ArgParser::parseArguments(int argc, char *argv[]) {
/* More fragments bit */
} else if (strcmp(long_options[option_index].name, "mf") == 0 ){
o.setMF();
/* Reserved / Evil bit */
} else if (strcmp(long_options[option_index].name, "evil") == 0 ){
o.setRF();
/* Time to live (hop-limit in IPv6) */
} else if (strcmp(long_options[option_index].name, "ttl") == 0 ||
strcmp(long_options[option_index].name, "hop-limit") == 0 ){
@@ -1099,6 +1104,11 @@ int ArgParser::parseArguments(int argc, char *argv[]) {
} /* End of getopt while */
/* Option --evil is implied when SCRIPT_KIDDIE has a non-zero value */
script_kiddie = getenv("SCRIPT_KIDDIE");
if (script_kiddie != NULL && strcmp(script_kiddie, "0") != 0)
o.setRF();
/* Now it's time to parse target host specifications. As nmap does, Nping
* treats everything getopt() can't parse as a host specification. At this
* point, var optind should point to the argv[] position that contains the
@@ -1185,6 +1195,7 @@ void ArgParser::printUsage(void){
" --id <id> : Set identification field (16 bits).\n"
" --df : Set Don't Fragment flag.\n"
" --mf : Set More Fragments flag.\n"
" --evil : Set Reserved / Evil flag.\n"
" --ttl <hops> : Set time to live [0-255].\n"
" --badsum-ip : Use a random invalid checksum. \n"
" --ip-options <S|R [route]|L [route]|T|U ...> : Set IP options\n"