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Do version checking for Lua 5.2.

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This commit is contained in:
batrick
2012-08-14 22:19:09 +00:00
parent a928251baf
commit 24e38466f5
2 changed files with 13 additions and 0 deletions
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7
nse_main.cc
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@@ -759,6 +759,13 @@ void open_nse (void)
*/ */
srand(get_random_uint()); srand(get_random_uint());
const lua_Number *version = lua_version(NULL);
double major = (*version) / 100.0;
double minor = fmod(*version, 10.0);
if (o.debugging >= 1)
log_write(LOG_STDOUT, "%s: Using Lua %.0f.%.0f.\n", SCRIPT_ENGINE, major, minor);
if (*version < 502)
fatal("%s: This version of NSE only works with Lua 5.2 or greater.", SCRIPT_ENGINE);
if ((L_NSE = luaL_newstate()) == NULL) if ((L_NSE = luaL_newstate()) == NULL)
fatal("%s: failed to open a Lua state!", SCRIPT_ENGINE); fatal("%s: failed to open a Lua state!", SCRIPT_ENGINE);
lua_atpanic(L_NSE, panic); lua_atpanic(L_NSE, panic);

6
nse_main.lua
View File

@@ -30,6 +30,12 @@
-- cause the system to stall through improper use. -- cause the system to stall through improper use.
-- - Of course the os and io library can cause the system to also break. -- - Of course the os and io library can cause the system to also break.
local _VERSION = _VERSION;
local MAJOR, MINOR = assert(_VERSION:match "^Lua (%d+).(%d+)$");
if tonumber(MAJOR.."."..MINOR) < 5.2 then
error "NSE requires Lua 5.2 or newer. It looks like you're using an older version of nmap."
end
local NAME = "NSE"; local NAME = "NSE";
-- Script Scan phases. -- Script Scan phases.