-/* +------------------------------------+\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
\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
+ * This program is free but copyrighted software; see
+ * the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+
+/* $ModDesc: Provides aliases of commands. */
+
+/** An alias definition
+ */
+class Alias
+{
+ public:
+ /** The text of the alias command */
+ irc::string AliasedCommand;
+
+ /** Text to replace with */
+ std::string ReplaceFormat;
+
+ /** Nickname required to perform alias */
+ std::string RequiredNick;
+
+ /** Alias requires ulined server */
+ bool ULineOnly;
+
+ /** Requires oper? */
+ bool OperOnly;
+
+ /* is case sensitive params */
+ bool CaseSensitive;
+
+ /* whether or not it may be executed via fantasy (default OFF) */
+ bool ChannelCommand;
+
+ /* whether or not it may be executed via /command (default ON) */
+ bool UserCommand;
+
+ /** Format that must be matched for use */
+ std::string format;
+};
+
+class ModuleAlias : public Module
+{
+ private:
+
+ char fprefix;
+
+ /* We cant use a map, there may be multiple aliases with the same name.
+ * We can, however, use a fancy invention: the multimap. Maps a key to one or more values.
+ * -- w00t
+ */
+ std::multimap<irc::string, Alias> Aliases;
+
+ /* whether or not +B users are allowed to use fantasy commands */
+ bool AllowBots;
+
+ virtual void ReadAliases()
+ {
+ ConfigReader MyConf;
+
+ AllowBots = MyConf.ReadFlag("fantasy", "allowbots", "no", 0);
+
+ std::string fpre = MyConf.ReadValue("fantasy","prefix",0);
+ fprefix = fpre.empty() ? '!' : fpre[0];
+
+ Aliases.clear();
+ ConfigTagList tags = ServerInstance->Config->ConfTags("alias");
+ for(ConfigIter i = tags.first; i != tags.second; ++i)
+ {
+ ConfigTag* tag = i->second;
+ Alias a;
+ a.AliasedCommand = tag->getString("text").c_str();
+ tag->readString("replace", a.ReplaceFormat, true);
+ a.RequiredNick = tag->getString("requires");
+ a.ULineOnly = tag->getBool("uline");
+ a.ChannelCommand = tag->getBool("channelcommand", "no");
+ a.UserCommand = tag->getBool("usercommand", "yes");
+ a.OperOnly = tag->getBool("operonly");
+ a.format = tag->getString("format");
+ a.CaseSensitive = tag->getBool("matchcase");
+ Aliases.insert(std::make_pair(a.AliasedCommand, a));
+ }
+ }
+
+ public:
+
+ ModuleAlias()
+ {
+ ReadAliases();
+ ServerInstance->Modules->Attach(I_OnPreCommand, this);
+ ServerInstance->Modules->Attach(I_OnRehash, this);
+ ServerInstance->Modules->Attach(I_OnUserMessage, this);
+ }
+
+ virtual ~ModuleAlias()
+ {
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version("Provides aliases of commands.", VF_VENDOR);
+ }
+
+ std::string GetVar(std::string varname, const std::string &original_line)
+ {
+ irc::spacesepstream ss(original_line);
+ varname.erase(varname.begin());
+ int index = *(varname.begin()) - 48;
+ varname.erase(varname.begin());
+ bool everything_after = (varname == "-");
+ std::string word;
+
+ for (int j = 0; j < index; j++)
+ ss.GetToken(word);
+
+ if (everything_after)
+ {
+ std::string more;
+ while (ss.GetToken(more))
+ {
+ word.append(" ");
+ word.append(more);
+ }
+ }
+
+ return word;
+ }
+
+ virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
+ {
+ std::multimap<irc::string, Alias>::iterator i, upperbound;
+
+ /* If theyre not registered yet, we dont want
+ * to know.
+ */
+ if (user->registered != REG_ALL)
+ return MOD_RES_PASSTHRU;
+
+ /* We dont have any commands looking like this? Stop processing. */
+ i = Aliases.find(command.c_str());
+ if (i == Aliases.end())
+ return MOD_RES_PASSTHRU;
+ /* Avoid iterating on to different aliases if no patterns match. */
+ upperbound = Aliases.upper_bound(command.c_str());
+
+ irc::string c = command.c_str();
+ /* The parameters for the command in their original form, with the command stripped off */
+ std::string compare = original_line.substr(command.length());
+ while (*(compare.c_str()) == ' ')
+ compare.erase(compare.begin());
+
+ while (i != upperbound)
+ {
+ if (i->second.UserCommand)
+ {
+ if (DoAlias(user, NULL, &(i->second), compare, original_line))
+ {
+ return MOD_RES_DENY;
+ }
+ }
+
+ i++;
+ }
+
+ // If we made it here, no aliases actually matched.
+ return MOD_RES_PASSTHRU;
+ }
+
+ virtual void OnUserMessage(User *user, void *dest, int target_type, const std::string &text, char status, const CUList &exempt_list)
+ {
+ if (target_type != TYPE_CHANNEL)
+ {
+ return;
+ }
+
+ // fcommands are only for local users. Spanningtree will send them back out as their original cmd.
+ if (!user || !IS_LOCAL(user))
+ {
+ return;
+ }
+
+ /* Stop here if the user is +B and allowbot is set to no. */
+ if (!AllowBots && user->IsModeSet('B'))
+ {
+ return;
+ }
+
+ Channel *c = (Channel *)dest;
+ std::string scommand;
+
+ // text is like "!moo cows bite me", we want "!moo" first
+ irc::spacesepstream ss(text);
+ ss.GetToken(scommand);
+ irc::string fcommand = scommand.c_str();
+
+ if (fcommand.empty())
+ {
+ return; // wtfbbq
+ }
+
+ // we don't want to touch non-fantasy stuff
+ if (*fcommand.c_str() != fprefix)
+ {
+ return;
+ }
+
+ // nor do we give a shit about the prefix
+ fcommand.erase(fcommand.begin());
+
+ std::multimap<irc::string, Alias>::iterator i = Aliases.find(fcommand);
+
+ if (i == Aliases.end())
+ return;
+
+ /* Avoid iterating on to other aliases if no patterns match */
+ std::multimap<irc::string, Alias>::iterator upperbound = Aliases.upper_bound(fcommand);
+
+
+ /* The parameters for the command in their original form, with the command stripped off */
+ std::string compare = text.substr(fcommand.length() + 1);
+ while (*(compare.c_str()) == ' ')
+ compare.erase(compare.begin());
+
+ while (i != upperbound)
+ {
+ if (i->second.ChannelCommand)
+ {
+ // We use substr(1) here to remove the fantasy prefix
+ if (DoAlias(user, c, &(i->second), compare, text.substr(1)))
+ return;
+ }
+
+ i++;
+ }
+ }
+
+
+ int DoAlias(User *user, Channel *c, Alias *a, const std::string compare, const std::string safe)
+ {
+ User *u = NULL;
+
+ /* Does it match the pattern? */
+ if (!a->format.empty())
+ {
+ if (a->CaseSensitive)
+ {
+ if (!InspIRCd::Match(compare, a->format, rfc_case_sensitive_map))
+ return 0;
+ }
+ else
+ {
+ if (!InspIRCd::Match(compare, a->format))
+ return 0;
+ }
+ }
+
+ if ((a->OperOnly) && (!IS_OPER(user)))
+ return 0;
+
+ if (!a->RequiredNick.empty())
+ {
+ u = ServerInstance->FindNick(a->RequiredNick);
+ if (!u)
+ {
+ user->WriteNumeric(401, ""+std::string(user->nick)+" "+a->RequiredNick+" :is currently unavailable. Please try again later.");
+ return 1;
+ }
+ }
+ if ((u != NULL) && (!a->RequiredNick.empty()) && (a->ULineOnly))
+ {
+ if (!ServerInstance->ULine(u->server))
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "NOTICE -- Service "+a->RequiredNick+" required by alias "+std::string(a->AliasedCommand.c_str())+" is not on a u-lined server, possibly underhanded antics detected!");
+ user->WriteNumeric(401, ""+std::string(user->nick)+" "+a->RequiredNick+" :is an imposter! Please inform an IRC operator as soon as possible.");
+ return 1;
+ }
+ }
+
+ /* Now, search and replace in a copy of the original_line, replacing $1 through $9 and $1- etc */
+
+ std::string::size_type crlf = a->ReplaceFormat.find('\n');
+
+ if (crlf == std::string::npos)
+ {
+ DoCommand(a->ReplaceFormat, user, c, safe);
+ return 1;
+ }
+ else
+ {
+ irc::sepstream commands(a->ReplaceFormat, '\n');
+ std::string scommand;
+ while (commands.GetToken(scommand))
+ {
+ DoCommand(scommand, user, c, safe);
+ }
+ return 1;
+ }
+ }
+
+ void DoCommand(const std::string& newline, User* user, Channel *chan, const std::string &original_line)
+ {
+ std::string result;
+ result.reserve(MAXBUF);
+ for (unsigned int i = 0; i < newline.length(); i++)
+ {
+ char c = newline[i];
+ if (c == '$')
+ {
+ if (isdigit(newline[i+1]))
+ {
+ int len = (newline[i+2] == '-') ? 3 : 2;
+ std::string var = newline.substr(i, len);
+ result.append(GetVar(var, original_line));
+ i += len - 1;
+ }
+ else if (newline.substr(i, 5) == "$nick")
+ {
+ result.append(user->nick);
+ i += 4;
+ }
+ else if (newline.substr(i, 5) == "$host")
+ {
+ result.append(user->host);
+ i += 4;
+ }
+ else if (newline.substr(i, 5) == "$chan")
+ {
+ if (chan)
+ result.append(chan->name);
+ i += 4;
+ }
+ else if (newline.substr(i, 6) == "$ident")
+ {
+ result.append(user->ident);
+ i += 5;
+ }
+ else if (newline.substr(i, 6) == "$vhost")
+ {
+ result.append(user->dhost);
+ i += 5;
+ }
+ else
+ result.push_back(c);
+ }
+ else
+ result.push_back(c);
+ }
+
+ irc::tokenstream ss(result);
+ std::vector<std::string> pars;
+ std::string command, token;
+
+ ss.GetToken(command);
+ while (ss.GetToken(token) && (pars.size() <= MAXPARAMETERS))
+ {
+ pars.push_back(token);
+ }
+ ServerInstance->Parser->CallHandler(command, pars, user);
+ }
+
+ virtual void OnRehash(User* user)
+ {
+ ReadAliases();
+ }
+
+ virtual void Prioritize()
+ {
+ // Prioritise after spanningtree so that channel aliases show the alias before the effects.
+ Module* linkmod = ServerInstance->Modules->Find("m_spanningtree.so");
+ ServerInstance->Modules->SetPriority(this, I_OnUserMessage, PRIORITY_AFTER, &linkmod);
+ }
+};
+
+MODULE_INIT(ModuleAlias)