diff options
Diffstat (limited to 'src/modules/m_alias.cpp')
| -rw-r--r-- | src/modules/m_alias.cpp | 273 |
1 files changed, 272 insertions, 1 deletions
diff --git a/src/modules/m_alias.cpp b/src/modules/m_alias.cpp index 039aeed92..94c64b405 100644 --- a/src/modules/m_alias.cpp +++ b/src/modules/m_alias.cpp @@ -1 +1,272 @@ -/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "wildcard.h"
/* $ModDesc: Provides aliases of commands. */
/** An alias definition
*/
class Alias : public classbase
{
public:
/** The text of the alias command */
irc::string text;
/** Text to replace with */
std::string replace_with;
/** Nickname required to perform alias */
std::string requires;
/** Alias requires ulined server */
bool uline;
/** Requires oper? */
bool operonly;
/* is case sensitive params */
bool case_sensitive;
/** Format that must be matched for use */
std::string format;
};
class ModuleAlias : public Module
{
private:
/** We cant use a map, there may be multiple aliases with the same name */
std::vector<Alias> Aliases;
std::map<std::string, int> AliasMap;
std::vector<std::string> pars;
virtual void ReadAliases()
{
ConfigReader MyConf(ServerInstance);
Aliases.clear();
AliasMap.clear();
for (int i = 0; i < MyConf.Enumerate("alias"); i++)
{
Alias a;
std::string txt;
txt = MyConf.ReadValue("alias", "text", i);
a.text = txt.c_str();
a.replace_with = MyConf.ReadValue("alias", "replace", i, true);
a.requires = MyConf.ReadValue("alias", "requires", i);
a.uline = MyConf.ReadFlag("alias", "uline", i);
a.operonly = MyConf.ReadFlag("alias", "operonly", i);
a.format = MyConf.ReadValue("alias", "format", i);
a.case_sensitive = MyConf.ReadFlag("alias", "matchcase", i);
Aliases.push_back(a);
AliasMap[txt] = 1;
}
}
public:
ModuleAlias(InspIRCd* Me)
: Module(Me)
{
ReadAliases();
pars.resize(127);
}
void Implements(char* List)
{
List[I_OnPreCommand] = List[I_OnRehash] = 1;
}
virtual ~ModuleAlias()
{
}
virtual Version GetVersion()
{
return Version(1,1,0,1,VF_VENDOR,API_VERSION);
}
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++)
word = ss.GetToken();
if (everything_after)
{
std::string more = "*";
while ((more = ss.GetToken()) != "")
{
word.append(" ");
word.append(more);
}
}
return word;
}
void SearchAndReplace(std::string& newline, const std::string &find, const std::string &replace)
{
std::string::size_type x = newline.find(find);
while (x != std::string::npos)
{
newline.erase(x, find.length());
newline.insert(x, replace);
x = newline.find(find);
}
}
virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
{
userrec *u = NULL;
/* If theyre not registered yet, we dont want
* to know.
*/
if (user->registered != REG_ALL)
return 0;
/* We dont have any commands looking like this, dont bother with the loop */
if (AliasMap.find(command) == AliasMap.end())
return 0;
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());
std::string safe(original_line);
/* Escape out any $ symbols in the user provided text */
SearchAndReplace(safe, "$", "\r");
for (unsigned int i = 0; i < Aliases.size(); i++)
{
if (Aliases[i].text == c)
{
/* Does it match the pattern? */
if (!Aliases[i].format.empty())
{
if (!match(Aliases[i].case_sensitive, compare.c_str(), Aliases[i].format.c_str()))
continue;
}
if ((Aliases[i].operonly) && (!IS_OPER(user)))
return 0;
if (!Aliases[i].requires.empty())
{
u = ServerInstance->FindNick(Aliases[i].requires);
if (!u)
{
user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
return 1;
}
}
if ((u != NULL) && (!Aliases[i].requires.empty()) && (Aliases[i].uline))
{
if (!ServerInstance->ULine(u->server))
{
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!");
user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :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 $1- etc */
std::string::size_type crlf = Aliases[i].replace_with.find('\n');
if (crlf == std::string::npos)
{
DoCommand(Aliases[i].replace_with, user, safe);
return 1;
}
else
{
irc::sepstream commands(Aliases[i].replace_with, '\n');
std::string command = "*";
while ((command = commands.GetToken()) != "")
{
DoCommand(command, user, safe);
}
return 1;
}
}
}
return 0;
}
void DoCommand(std::string newline, userrec* user, const std::string &original_line)
{
for (int v = 1; v < 10; v++)
{
std::string var = "$";
var.append(ConvToStr(v));
var.append("-");
std::string::size_type x = newline.find(var);
while (x != std::string::npos)
{
newline.erase(x, var.length());
newline.insert(x, GetVar(var, original_line));
x = newline.find(var);
}
var = "$";
var.append(ConvToStr(v));
x = newline.find(var);
while (x != std::string::npos)
{
newline.erase(x, var.length());
newline.insert(x, GetVar(var, original_line));
x = newline.find(var);
}
}
/* Special variables */
SearchAndReplace(newline, "$nick", user->nick);
SearchAndReplace(newline, "$ident", user->ident);
SearchAndReplace(newline, "$host", user->host);
SearchAndReplace(newline, "$vhost", user->dhost);
/* Unescape any variable names in the user text before sending */
SearchAndReplace(newline, "\r", "$");
irc::tokenstream ss(newline);
const char* parv[127];
int x = 0;
while (ss.GetToken(pars[x]))
{
parv[x] = pars[x].c_str();
x++;
}
ServerInstance->Parser->CallHandler(parv[0], &parv[1], x-1, user);
}
virtual void OnRehash(userrec* user, const std::string ¶meter)
{
ReadAliases();
}
};
MODULE_INIT(ModuleAlias)
\ No newline at end of file +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + +#include "inspircd.h" +#include "users.h" +#include "channels.h" +#include "modules.h" +#include "wildcard.h" + +/* $ModDesc: Provides aliases of commands. */ + +/** An alias definition + */ +class Alias : public classbase +{ + public: + /** The text of the alias command */ + irc::string text; + /** Text to replace with */ + std::string replace_with; + /** Nickname required to perform alias */ + std::string requires; + /** Alias requires ulined server */ + bool uline; + /** Requires oper? */ + bool operonly; + /* is case sensitive params */ + bool case_sensitive; + /** Format that must be matched for use */ + std::string format; +}; + +class ModuleAlias : public Module +{ + private: + /** We cant use a map, there may be multiple aliases with the same name */ + std::vector<Alias> Aliases; + std::map<std::string, int> AliasMap; + std::vector<std::string> pars; + + virtual void ReadAliases() + { + ConfigReader MyConf(ServerInstance); + + Aliases.clear(); + AliasMap.clear(); + for (int i = 0; i < MyConf.Enumerate("alias"); i++) + { + Alias a; + std::string txt; + txt = MyConf.ReadValue("alias", "text", i); + a.text = txt.c_str(); + a.replace_with = MyConf.ReadValue("alias", "replace", i, true); + a.requires = MyConf.ReadValue("alias", "requires", i); + a.uline = MyConf.ReadFlag("alias", "uline", i); + a.operonly = MyConf.ReadFlag("alias", "operonly", i); + a.format = MyConf.ReadValue("alias", "format", i); + a.case_sensitive = MyConf.ReadFlag("alias", "matchcase", i); + Aliases.push_back(a); + AliasMap[txt] = 1; + } + } + + public: + + ModuleAlias(InspIRCd* Me) + : Module(Me) + { + ReadAliases(); + pars.resize(127); + } + + void Implements(char* List) + { + List[I_OnPreCommand] = List[I_OnRehash] = 1; + } + + virtual ~ModuleAlias() + { + } + + virtual Version GetVersion() + { + return Version(1,1,0,1,VF_VENDOR,API_VERSION); + } + + 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++) + word = ss.GetToken(); + + if (everything_after) + { + std::string more = "*"; + while ((more = ss.GetToken()) != "") + { + word.append(" "); + word.append(more); + } + } + + return word; + } + + void SearchAndReplace(std::string& newline, const std::string &find, const std::string &replace) + { + std::string::size_type x = newline.find(find); + while (x != std::string::npos) + { + newline.erase(x, find.length()); + newline.insert(x, replace); + x = newline.find(find); + } + } + + virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) + { + userrec *u = NULL; + + /* If theyre not registered yet, we dont want + * to know. + */ + if (user->registered != REG_ALL) + return 0; + + /* We dont have any commands looking like this, dont bother with the loop */ + if (AliasMap.find(command) == AliasMap.end()) + return 0; + + 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()); + + std::string safe(original_line); + + /* Escape out any $ symbols in the user provided text */ + + SearchAndReplace(safe, "$", "\r"); + + for (unsigned int i = 0; i < Aliases.size(); i++) + { + if (Aliases[i].text == c) + { + /* Does it match the pattern? */ + if (!Aliases[i].format.empty()) + { + if (!match(Aliases[i].case_sensitive, compare.c_str(), Aliases[i].format.c_str())) + continue; + } + + if ((Aliases[i].operonly) && (!IS_OPER(user))) + return 0; + + if (!Aliases[i].requires.empty()) + { + u = ServerInstance->FindNick(Aliases[i].requires); + if (!u) + { + user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later."); + return 1; + } + } + if ((u != NULL) && (!Aliases[i].requires.empty()) && (Aliases[i].uline)) + { + if (!ServerInstance->ULine(u->server)) + { + 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!"); + user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :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 $1- etc */ + + std::string::size_type crlf = Aliases[i].replace_with.find('\n'); + + if (crlf == std::string::npos) + { + DoCommand(Aliases[i].replace_with, user, safe); + return 1; + } + else + { + irc::sepstream commands(Aliases[i].replace_with, '\n'); + std::string command = "*"; + while ((command = commands.GetToken()) != "") + { + DoCommand(command, user, safe); + } + return 1; + } + } + } + return 0; + } + + void DoCommand(std::string newline, userrec* user, const std::string &original_line) + { + for (int v = 1; v < 10; v++) + { + std::string var = "$"; + var.append(ConvToStr(v)); + var.append("-"); + std::string::size_type x = newline.find(var); + + while (x != std::string::npos) + { + newline.erase(x, var.length()); + newline.insert(x, GetVar(var, original_line)); + x = newline.find(var); + } + + var = "$"; + var.append(ConvToStr(v)); + x = newline.find(var); + + while (x != std::string::npos) + { + newline.erase(x, var.length()); + newline.insert(x, GetVar(var, original_line)); + x = newline.find(var); + } + } + + /* Special variables */ + SearchAndReplace(newline, "$nick", user->nick); + SearchAndReplace(newline, "$ident", user->ident); + SearchAndReplace(newline, "$host", user->host); + SearchAndReplace(newline, "$vhost", user->dhost); + + /* Unescape any variable names in the user text before sending */ + SearchAndReplace(newline, "\r", "$"); + + irc::tokenstream ss(newline); + const char* parv[127]; + int x = 0; + + while (ss.GetToken(pars[x])) + { + parv[x] = pars[x].c_str(); + x++; + } + + ServerInstance->Parser->CallHandler(parv[0], &parv[1], x-1, user); + } + + virtual void OnRehash(userrec* user, const std::string ¶meter) + { + ReadAliases(); + } +}; + +MODULE_INIT(ModuleAlias) |