1 /* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include "users.h"
\r#include "channels.h"
\r#include "modules.h"
\r#include "wildcard.h"
\r\r/* $ModDesc: Provides aliases of commands. */
\r\r/** An alias definition
\r */
\rclass Alias : public classbase
\r{
\r public:
\r /** The text of the alias command */
\r irc::string text;
\r /** Text to replace with */
\r std::string replace_with;
\r /** Nickname required to perform alias */
\r std::string requires;
\r /** Alias requires ulined server */
\r bool uline;
\r /** Requires oper? */
\r bool operonly;
\r /* is case sensitive params */
\r bool case_sensitive;
\r /** Format that must be matched for use */
\r std::string format;
\r};
\r\rclass ModuleAlias : public Module
\r{
\r private:
\r /** We cant use a map, there may be multiple aliases with the same name */
\r std::vector<Alias> Aliases;
\r std::map<std::string, int> AliasMap;
\r std::vector<std::string> pars;
\r\r virtual void ReadAliases()
\r {
\r ConfigReader MyConf(ServerInstance);
\r\r Aliases.clear();
\r AliasMap.clear();
\r for (int i = 0; i < MyConf.Enumerate("alias"); i++)
\r {
\r Alias a;
\r std::string txt;
\r txt = MyConf.ReadValue("alias", "text", i);
\r a.text = txt.c_str();
\r a.replace_with = MyConf.ReadValue("alias", "replace", i, true);
\r a.requires = MyConf.ReadValue("alias", "requires", i);
\r a.uline = MyConf.ReadFlag("alias", "uline", i);
\r a.operonly = MyConf.ReadFlag("alias", "operonly", i);
\r a.format = MyConf.ReadValue("alias", "format", i);
\r a.case_sensitive = MyConf.ReadFlag("alias", "matchcase", i);
\r Aliases.push_back(a);
\r AliasMap[txt] = 1;
\r }
\r }
\r\r public:
\r \r ModuleAlias(InspIRCd* Me)
\r : Module(Me)
\r {
\r ReadAliases();
\r pars.resize(127);
\r }
\r\r void Implements(char* List)
\r {
\r List[I_OnPreCommand] = List[I_OnRehash] = 1;
\r }
\r\r virtual ~ModuleAlias()
\r {
\r }
\r\r virtual Version GetVersion()
\r {
\r return Version(1,1,0,1,VF_VENDOR,API_VERSION);
\r }
\r\r std::string GetVar(std::string varname, const std::string &original_line)
\r {
\r irc::spacesepstream ss(original_line);
\r varname.erase(varname.begin());
\r int index = *(varname.begin()) - 48;
\r varname.erase(varname.begin());
\r bool everything_after = (varname == "-");
\r std::string word;
\r\r for (int j = 0; j < index; j++)
\r word = ss.GetToken();
\r\r if (everything_after)
\r {
\r std::string more = "*";
\r while ((more = ss.GetToken()) != "")
\r {
\r word.append(" ");
\r word.append(more);
\r }
\r }
\r\r return word;
\r }
\r\r void SearchAndReplace(std::string& newline, const std::string &find, const std::string &replace)
\r {
\r std::string::size_type x = newline.find(find);
\r while (x != std::string::npos)
\r {
\r newline.erase(x, find.length());
\r newline.insert(x, replace);
\r x = newline.find(find);
\r }
\r }
\r\r virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
\r {
\r userrec *u = NULL;
\r\r /* If theyre not registered yet, we dont want
\r * to know.
\r */
\r if (user->registered != REG_ALL)
\r return 0;
\r\r /* We dont have any commands looking like this, dont bother with the loop */
\r if (AliasMap.find(command) == AliasMap.end())
\r return 0;
\r\r irc::string c = command.c_str();
\r /* The parameters for the command in their original form, with the command stripped off */
\r std::string compare = original_line.substr(command.length());
\r while (*(compare.c_str()) == ' ')
\r compare.erase(compare.begin());
\r\r std::string safe(original_line);
\r\r /* Escape out any $ symbols in the user provided text */
\r\r SearchAndReplace(safe, "$", "\r");
\r\r for (unsigned int i = 0; i < Aliases.size(); i++)
\r {
\r if (Aliases[i].text == c)
\r {
\r /* Does it match the pattern? */
\r if (!Aliases[i].format.empty())
\r {
\r if (!match(Aliases[i].case_sensitive, compare.c_str(), Aliases[i].format.c_str()))
\r continue;
\r }
\r\r if ((Aliases[i].operonly) && (!IS_OPER(user)))
\r return 0;
\r\r if (!Aliases[i].requires.empty())
\r {
\r u = ServerInstance->FindNick(Aliases[i].requires);
\r if (!u)
\r {
\r user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
\r return 1;
\r }
\r }
\r if ((u != NULL) && (!Aliases[i].requires.empty()) && (Aliases[i].uline))
\r {
\r if (!ServerInstance->ULine(u->server))
\r {
\r ServerInstance->WriteOpers("*** NOTICE -- Service "+Aliases[i].requires+" required by alias "+std::string(Aliases[i].text.c_str())+" is not on a u-lined server, possibly underhanded antics detected!");
\r user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
\r return 1;
\r }
\r }
\r\r /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */
\r\r std::string::size_type crlf = Aliases[i].replace_with.find('\n');
\r\r if (crlf == std::string::npos)
\r {
\r DoCommand(Aliases[i].replace_with, user, safe);
\r return 1;
\r }
\r else
\r {
\r irc::sepstream commands(Aliases[i].replace_with, '\n');
\r std::string command = "*";
\r while ((command = commands.GetToken()) != "")
\r {
\r DoCommand(command, user, safe);
\r }
\r return 1;
\r }
\r }
\r }
\r return 0;
\r }
\r\r void DoCommand(std::string newline, userrec* user, const std::string &original_line)
\r {
\r for (int v = 1; v < 10; v++)
\r {
\r std::string var = "$";
\r var.append(ConvToStr(v));
\r var.append("-");
\r std::string::size_type x = newline.find(var);
\r\r while (x != std::string::npos)
\r {
\r newline.erase(x, var.length());
\r newline.insert(x, GetVar(var, original_line));
\r x = newline.find(var);
\r }
\r\r var = "$";
\r var.append(ConvToStr(v));
\r x = newline.find(var);
\r\r while (x != std::string::npos)
\r {
\r newline.erase(x, var.length());
\r newline.insert(x, GetVar(var, original_line));
\r x = newline.find(var);
\r }
\r }
\r\r /* Special variables */
\r SearchAndReplace(newline, "$nick", user->nick);
\r SearchAndReplace(newline, "$ident", user->ident);
\r SearchAndReplace(newline, "$host", user->host);
\r SearchAndReplace(newline, "$vhost", user->dhost);
\r\r /* Unescape any variable names in the user text before sending */
\r SearchAndReplace(newline, "\r", "$");
\r\r irc::tokenstream ss(newline);
\r const char* parv[127];
\r int x = 0;
\r\r while (ss.GetToken(pars[x]))
\r {
\r parv[x] = pars[x].c_str();
\r x++;
\r }
\r\r ServerInstance->Parser->CallHandler(parv[0], &parv[1], x-1, user);
\r }
\r \r virtual void OnRehash(userrec* user, const std::string ¶meter)
\r {
\r ReadAliases();
\r }
\r};
\r\rMODULE_INIT(ModuleAlias)
\r
projects / user / henk / code / inspircd.git / blob