added a CLI debugger

NmapOps.cc

@@ -274,6 +274,7 @@ void NmapOps::Initialize() {
   script = 0;
   scriptversion = 0;
   scripttrace = 0;
+  scriptdebug = 0;
   scriptupdatedb = 0;
 #endif
 }

NmapOps.h

@@ -328,6 +328,7 @@ class NmapOps {
   char *scriptargs;
   int scriptversion;
   int scripttrace;
+  int scriptdebug;
   int scriptupdatedb;
   void chooseScripts(char* argument);
   std::vector<std::string> chosenScripts;

libpcre/aclocal.m4

@@ -11,8 +11,8 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
-m4_if(m4_PACKAGE_VERSION, [2.61],,
+m4_if(m4_PACKAGE_VERSION, [2.60],,
-[m4_fatal([this file was generated for autoconf 2.61.
+[m4_fatal([this file was generated for autoconf 2.60.
 You have another version of autoconf.  If you want to use that,
 you should regenerate the build system entirely.], [63])])
 

nmap.cc

@@ -627,6 +627,8 @@ int nmap_main(int argc, char *argv[]) {
       {"script", required_argument, 0, 0},
       {"script-trace", no_argument, 0, 0},
       {"script_trace", no_argument, 0, 0},
+      {"script-debug", no_argument, 0, 0},
+      {"script_debug", no_argument, 0, 0},
       {"script-updatedb", no_argument, 0, 0},
       {"script_updatedb", no_argument, 0, 0},
       {"script-args",required_argument,0,0},
@@ -666,8 +668,11 @@ int nmap_main(int argc, char *argv[]) {
 		o.scriptargs=strdup(optarg);
 		if(script_check_args()!=0)
 			fatal("Error parsing --script-args\n");
-	}else if (optcmp(long_options[option_index].name, "script-trace") == 0) {
+	} else if (optcmp(long_options[option_index].name, "script-trace") == 0) {
 		o.scripttrace = 1;
+	} else if (optcmp(long_options[option_index].name, "script-debug") == 0) {
+		o.scriptdebug = 1;
+		o.noninteractive = true;
 	} else if (optcmp(long_options[option_index].name, "script-updatedb") == 0){
 		o.scriptupdatedb = 1;
 	} else

nmap_tty.cc

@@ -207,6 +207,9 @@ void tty_init()
 {
 	struct termios ti;
 
+	if(o.noninteractive)
+		return;
+
 	if (tty_fd)
 		return;
 

nse_init.cc

@@ -30,6 +30,7 @@ int init_fetchfile(char *result, size_t result_max_len, char* file);
 int init_fetchfile_absolute(char *path, size_t path_len, char *file);
 int init_updatedb(lua_State* l);
 int init_pick_default_categories(std::vector<std::string>& chosenScripts);
+int init_debugger(lua_State* l);
 
 int check_extension(const char* ext, const char* path);
 
@@ -58,15 +59,34 @@ int init_lua(lua_State* l) {
 		SCRIPT_ENGINE_LUA_TRY(lua_pcall(l, 1, 0, 0));
 	}
 
-
 	/* publish the nmap bindings to the script */
 	lua_newtable(l);
 	SCRIPT_ENGINE_TRY(set_nmaplib(l));
 	lua_setglobal(l, "nmap");
 	SCRIPT_ENGINE_TRY(init_setlualibpath(l));
+
+	SCRIPT_ENGINE_TRY(init_debugger(l));
+	
 	return SCRIPT_ENGINE_SUCCESS;
 }
 
+int init_debugger(lua_State* l) {
+
+	if(o.scriptdebug > 0) {
+		luaL_loadstring(l, "require 'debugger'");
+		SCRIPT_ENGINE_TRY(lua_pcall(l, 0, 0, 0));
+	} else {
+		char* debugger_dummy = "\
+package.loaded['debugger'] = true\n\
+pause = function() end\n";
+
+		luaL_loadstring(l, debugger_dummy);
+		SCRIPT_ENGINE_TRY(lua_pcall(l, 0, 0, 0));
+	}
+
+	return SCRIPT_ENGINE_SUCCESS;	
+}
+
 /*sets two variables, which control where lua looks for modules (implemented in C or lua */
 int init_setlualibpath(lua_State* l){
 	char path[MAX_FILENAME_LEN];

scripts/showHTMLTitle.nse

@@ -28,6 +28,8 @@ end
 action = function(host, port)
 	local data, result, title, protocol
 
+	pause("test")
+
 	data = http.get( host, port, '/' )
 	result = data.body