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-rw-r--r--src/modules/m_shun.cpp230
1 files changed, 230 insertions, 0 deletions
diff --git a/src/modules/m_shun.cpp b/src/modules/m_shun.cpp
new file mode 100644
index 000000000..b3b9b2010
--- /dev/null
+++ b/src/modules/m_shun.cpp
@@ -0,0 +1,230 @@
+#include <algorithm>
+#include <vector>
+#include <string>
+#include <sstream>
+#include "inspircd.h"
+#include "modules.h"
+#include "hashcomp.h"
+#include "configreader.h"
+
+/* $ModDesc: Gives the /shun command, which stops a user executing all commands except PING and PONG. */
+/* $ModAuthor: Om */
+/* $ModAuthorMail: om@inspircd.org */
+
+class Shun
+{
+public:
+ std::string banmask;
+ std::string set_by;
+ time_t set_on;
+ long length;
+ std::string reason;
+
+ Shun() { }
+
+ Shun(std::string bm, std::string sb, time_t so, long ln, std::string rs) : banmask(bm), set_by(sb), set_on(so), length(ln), reason(rs) { }
+
+ bool operator<(const Shun &ban2) const
+ {
+ return ((this->set_on + this->length) < (ban2.set_on + ban2.length));
+ }
+};
+
+typedef std::vector<Shun> shunlist;
+
+class ModuleShunBase
+{
+ public:
+ /* shuns is declared here, as our type is right above. Don't try move it. */
+ shunlist shuns;
+
+ InspIRCd* Srv;
+
+ std::string EncodeShun(const Shun &shun)
+ {
+ std::ostringstream stream;
+ stream << shun.banmask << " " << shun.set_by << " " << shun.set_on << " " << shun.length << " " << shun.reason;
+ return stream.str();
+ }
+
+ Shun DecodeShun(const std::string &data)
+ {
+ Shun res;
+ std::istringstream stream(data);
+ stream >> res.banmask;
+ stream >> res.set_by;
+ stream >> res.set_on;
+ stream >> res.length;
+ res.reason = stream.str();
+
+ return res;
+ }
+
+ void ExpireBans()
+ {
+ while(shuns.size() && shuns.begin()->length && ((shuns.begin()->set_on + shuns.begin()->length) <= Srv->Time()))
+ {
+ shunlist::iterator iter = shuns.begin();
+
+ Srv->SNO->WriteToSnoMask('X', "*** %ld second shun on '%s' (%s) set by %s %ld seconds ago expired", iter->length, iter->banmask.c_str(), iter->reason.c_str(), iter->set_by.c_str(), Srv->Time() - iter->set_on);
+ shuns.erase(iter);
+ }
+ }
+};
+
+class cmd_shun : public Command
+{
+ private:
+ InspIRCd *Srv;
+ ModuleShunBase* base;
+
+ public:
+ cmd_shun(InspIRCd* Me, ModuleShunBase* b)
+ : Command(Me, "SHUN", "o", 1), Srv(Me), base(b)
+ {
+ this->source = "m_shun.so";
+ }
+
+ CmdResult Handle(const char* const*parameters, int pcnt, User *user)
+ {
+ /* syntax: SHUN nick!user@host time :reason goes here */
+ /* 'time' is a human-readable timestring, like 2d3h2s. */
+
+ base->ExpireBans();
+
+ if(pcnt == 1)
+ {
+ /* form: SHUN mask removes a SHUN */
+ for(shunlist::iterator iter = base->shuns.begin(); iter != base->shuns.end(); iter++)
+ {
+ if(parameters[0] == iter->banmask)
+ {
+ Srv->SNO->WriteToSnoMask('X', "*** %s removed shun '%s', set %ld seconds ago with reason '%s'", user->nick, iter->banmask.c_str(), Srv->Time() - iter->set_on, iter->reason.c_str());
+ base->shuns.erase(iter);
+ return CMD_SUCCESS;
+ }
+ }
+
+ user->WriteServ("NOTICE %s :*** The mask %s is not currently shunned, try /stats s", user->nick, parameters[0]);
+ return CMD_FAILURE;
+ }
+ else if (pcnt >= 2)
+ {
+ /* full form to add a shun */
+ if(Srv->IsValidMask(parameters[0]))
+ {
+ // parameters[0] = Foamy!*@*
+ // parameters[1] = 1h3m2s
+ // parameters[2] = Tortoise abuser
+ for(shunlist::iterator iter = base->shuns.begin(); iter != base->shuns.end(); iter++)
+ {
+ if (parameters[0] == iter->banmask)
+ {
+ user->WriteServ("NOTICE %s :*** Shun on %s already exists", user->nick, parameters[0]);
+ return CMD_FAILURE;
+ }
+ }
+
+ long length = Srv->Duration(parameters[1]);
+
+ std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
+
+ base->shuns.push_back(Shun(parameters[0], user->nick, Srv->Time(), length, reason));
+
+ std::sort(base->shuns.begin(), base->shuns.end());
+
+ if(length > 0)
+ Srv->SNO->WriteToSnoMask('X', "*** %s added %ld second shun on '%s' (%s)", user->nick, length, parameters[0], reason.c_str());
+ else
+ Srv->SNO->WriteToSnoMask('X', "*** %s added permanent shun on '%s' (%s)", user->nick, parameters[0], reason.c_str());
+
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Invalid ban mask (%s)", user->nick, parameters[0]);
+ }
+ }
+
+ return CMD_FAILURE;
+ }
+};
+
+class ModuleShun : public Module, public ModuleShunBase
+{
+ cmd_shun* mycommand;
+
+ public:
+ ModuleShun(InspIRCd* Me)
+ : Module::Module(Me)
+ {
+ this->Srv = Me;
+ mycommand = new cmd_shun(Srv, this);
+ Srv->AddCommand(mycommand);
+ }
+
+ void Implements(char* List)
+ {
+ List[I_OnPreCommand] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
+ }
+
+ virtual int OnStats(char symbol, User* user, string_list& out)
+ {
+ ExpireBans();
+
+ if(symbol == 's')
+ {
+ for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
+ {
+ std::ostringstream format;
+ format << Srv->Config->ServerName << " 223 " << user->nick << " :" << iter->banmask << " " << iter->set_on << " " << iter->length << " " << iter->set_by << " " << iter->reason;
+ out.push_back(format.str());
+ }
+ }
+
+ return 0;
+ }
+
+ virtual int OnPreCommand(const std::string &command, const char* const*parameters, int pcnt, User* user, bool validated, const std::string &original_line)
+ {
+ if((command != "PONG") && (command != "PING"))
+ {
+ ExpireBans();
+
+ for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
+ if(Srv->MatchText(user->GetFullHost(), iter->banmask) || Srv->MatchText(user->GetFullRealHost(), iter->banmask))
+ return 1;
+ }
+
+ return 0;
+ }
+
+ virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
+ {
+ for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
+ {
+ proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "shun", EncodeShun(*iter));
+ }
+ }
+
+ virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
+ {
+ if((target_type == TYPE_OTHER) && (extname == "shun"))
+ {
+ shuns.push_back(DecodeShun(extdata));
+ std::sort(shuns.begin(), shuns.end());
+ }
+ }
+
+ virtual ~ModuleShun()
+ {
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version(1,0,0,0,0,API_VERSION);
+ }
+};
+
+MODULE_INIT(ModuleShun)
+