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[NSE] Unprintable characters are now printed as "\xXX" where XX is the hexidecimal

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representation of the character. (See: http://seclists.org/nmap-dev/2008/q3/0180.html)
This commit is contained in:
batrick
2008-07-29 03:48:06 +00:00
parent b6b1d5916a
commit 909b47f492
1 changed files with 5 additions and 5 deletions
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10
nse_main.cc
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@@ -118,14 +118,14 @@ size_t table_length (lua_State *L, int index)
/* int escape_char (lua_State *L)
*
* This function is called via Lua through string.gsub. It's purpose is to
* escape characters. So the first sole character is changed to "\xxx".
* escape characters. So the first sole character is changed to "\xFF" (hex).
*/
static int escape_char (lua_State *L)
{
const char *a = luaL_checkstring(L, 1);
lua_pushliteral(L, "\\");
lua_pushinteger(L, (int) *a);
lua_concat(L, 2);
char hold[10];
const char *str = luaL_checkstring(L, 1);
int size = sprintf(hold, "\\x%02X", *str & 0xff);
lua_pushlstring(L, hold, size);
return 1;
}