PenTest/nmap
1
0
Fork 0
mirror of https://github.com/nmap/nmap.git synced 2026-01-10 00:19:02 +00:00
Code Issues Projects Releases Wiki Activity

Added the nmap.get_ttl() which returns the TTL (time to live) specified with the --ttl option;

Browse Source 
Added the nmap.get_payload_length() function which returns the value specified with the --data-length option
This commit is contained in:
gorjan
2011-06-24 01:03:23 +00:00
parent 3240e10bb0
commit fc2f88e2ed
2 changed files with 50 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
nse_nmaplib.cc
View File

@@ -753,6 +753,32 @@ static int l_get_interface (lua_State *L)
return 1;
}
/* return the ttl (time to live) specified with the
* --ttl command line option. If a wrong value is
* specified it defaults to 64.
*/
static int l_get_ttl (lua_State *L)
{
if (o.ttl < 0 || o.ttl > 255)
lua_pushnumber(L, 64); //default TTL
else
lua_pushnumber(L, o.ttl);
return 1;
}
/* return the payload length specified by the --data-length
* command line option. If it * isn't specified or the value
* is out of range then the default value (0) is returned.
*/
static int l_get_payload_length(lua_State *L)
{
if (o.extra_payload_length < 0)
lua_pushnumber(L, 0); //default payload length
else
lua_pushnumber(L, o.extra_payload_length);
return 1;
}
int luaopen_nmap (lua_State *L)
{
static const luaL_reg nmaplib [] = {
@@ -780,6 +806,8 @@ int luaopen_nmap (lua_State *L)
{"address_family", l_address_family},
{"get_interface", l_get_interface},
{"get_interface_info", l_dnet_get_interface_info},
{"get_ttl", l_get_ttl},
{"get_payload_length",l_get_payload_length},
{NULL, NULL}
};

22
nselib/nmap.luadoc
View File

@@ -101,6 +101,28 @@ function get_interface()
-- @usage local iface, err = nmap.get_interface_info("eth0")
function get_interface_info(interface_name)
--- Returns the TTL (time to live) value selected by the --ttl option
--
-- If there is no value specified or if the value specified with the --ttl
-- option is out of the range 0 to 255 (inclusive) this function returns 64,
-- which is the default TTL for an IP packet. This function would be most
-- useful in crafting packets, which we want to comply with the selected
-- Nmap TTL value.
--
-- @return A number containing the TTL value
-- @usage local ttl = nmap.get_ttl()
function get_ttl()
--- Returns the payload data length selected with the --data-length option
--
-- Used when a script is crafting ICMP packets and needs to comply with the
-- selected payload data length. If there is no value specified this function
-- returns 0 which is the default length of the ICMP payload for Nmap.
--
-- @return A number containing the value of the payload length
-- @usage local payload_length = nmap.get_payload_length
function get_payload_length()
--- Searches for the specified file and returns a string containing its path if
-- it is found and readable (to the process).
--