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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 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 <pcre.h>
#include "xline.h"
/* $ModDesc: RLINE: Regexp user banning. */
/* $CompileFlags: exec("pcre-config --cflags") */
/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */
#ifdef WINDOWS
#pragma comment(lib, "pcre.lib")
#endif
class CoreExport RLine : public XLine
{
public:
/** Create a R-Line.
* @param s_time The set time
* @param d The duration of the xline
* @param src The sender of the xline
* @param re The reason of the xline
* @param regex Pattern to match with
* @
*/
RLine(InspIRCd* Instance, time_t s_time, long d, const char* src, const char* re, const char* regexs) : XLine(Instance, s_time, d, src, re, "R")
{
const char *error;
int erroffset;
matchtext = regexs;
regex = pcre_compile(regexs, 0, &error, &erroffset, NULL);
if (!regex)
{
ServerInstance->SNO->WriteToSnoMask('x',"Error in regular expression: %s at offset %d: %s\n", regexs, erroffset, error);
throw CoreException("Bad regex pattern.");
}
}
/** Destructor
*/
~RLine()
{
pcre_free(regex);
}
bool Matches(User *u)
{
std::string compare = std::string(u->nick) + "!" + u->ident + "@" + u->host + " " + u->fullname;
ServerInstance->Logs->Log("m_rline",DEBUG, "Matching " + matchtext + " against string " + compare);
if (pcre_exec(regex, NULL, compare.c_str(), compare.length(), 0, 0, NULL, 0) > -1)
{
// Bang. :D
return true;
}
return false;
}
bool Matches(const std::string &compare)
{
if (pcre_exec(regex, NULL, compare.c_str(), compare.length(), 0, 0, NULL, 0) > -1)
{
// Bang. :D
return true;
}
return false;
}
void Apply(User* u)
{
DefaultApply(u, "R", true);
}
void DisplayExpiry()
{
ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed R-Line %s (set by %s %d seconds ago)", this->matchtext.c_str(), this->source, this->duration);
}
const char* Displayable()
{
return matchtext.c_str();
}
std::string matchtext;
pcre *regex;
};
/** An XLineFactory specialized to generate RLine* pointers
*/
class CoreExport RLineFactory : public XLineFactory
{
public:
RLineFactory(InspIRCd* Instance) : XLineFactory(Instance, "R") { }
/** Generate a RLine
*/
XLine* Generate(time_t set_time, long duration, const char* source, const char* reason, const char* xline_specific_mask)
{
return new RLine(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
}
};
/** Handle /RLINE
* Syntax is same as other lines: RLINE regex_goes_here 1d :reason
*/
class CommandRLine : public Command
{
public:
CommandRLine (InspIRCd* Instance) : Command(Instance,"RLINE", "o", 1)
{
this->source = "m_rline.so";
}
CmdResult Handle (const char* const* parameters, int pcnt, User *user)
{
if (pcnt >= 3)
{
// Adding - XXX todo make this respect <insane> tag perhaps..
long duration = ServerInstance->Duration(parameters[1]);
RLine *r = NULL;
try
{
r = new RLine(ServerInstance, ServerInstance->Time(), duration, user->nick, parameters[2], parameters[0]);
}
catch (...)
{
; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
}
if (r)
{
if (ServerInstance->XLines->AddLine(r, user))
{
if (!duration)
{
ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent R-Line for %s.", user->nick, parameters[0]);
}
else
{
time_t c_requires_crap = duration + ServerInstance->Time();
ServerInstance->SNO->WriteToSnoMask('x', "%s added timed R-Line for %s, expires on %s", user->nick, parameters[0],
ServerInstance->TimeString(c_requires_crap).c_str());
}
ServerInstance->XLines->ApplyLines();
}
else
{
delete r;
user->WriteServ("NOTICE %s :*** R-Line for %s already exists", user->nick, parameters[0]);
}
}
}
else
{
if (ServerInstance->XLines->DelLine(parameters[0], "R", user))
{
ServerInstance->SNO->WriteToSnoMask('x',"%s Removed R-Line on %s.",user->nick,parameters[0]);
}
else
{
// XXX todo implement stats
user->WriteServ("NOTICE %s :*** R-Line %s not found in list, try /stats g.",user->nick,parameters[0]);
}
}
return CMD_SUCCESS;
}
};
class ModuleRLine : public Module
{
private:
CommandRLine *r;
RLineFactory *f;
public:
ModuleRLine(InspIRCd* Me) : Module(Me)
{
// Create a new command
r = new CommandRLine(ServerInstance);
ServerInstance->AddCommand(r);
f = new RLineFactory(ServerInstance);
ServerInstance->XLines->RegisterFactory(f);
}
virtual ~ModuleRLine()
{
ServerInstance->XLines->UnregisterFactory(f);
}
virtual Version GetVersion()
{
return Version(1,2,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleRLine)
|
