-/* +------------------------------------+\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 <stdarg.h>\r\r/* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */\r\rstatic ConfigReader* conf;\r\rclass QuietOper : public VisData\r{\r public:\r QuietOper()\r {\r }\r\r virtual ~QuietOper()\r {\r }\r\r virtual bool VisibleTo(userrec* user)\r {\r return IS_OPER(user);\r }\r};\r\r\rclass InvisibleMode : public ModeHandler\r{\r QuietOper* qo;\r public:\r InvisibleMode(InspIRCd* Instance) : ModeHandler(Instance, 'Q', 0, 0, false, MODETYPE_USER, true)\r {\r qo = new QuietOper();\r }\r\r ~InvisibleMode()\r {\r for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)\r if (i->second->Visibility == qo)\r i->second->Visibility = NULL;\r delete qo;\r }\r\r ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)\r {\r if (source != dest)\r return MODEACTION_DENY;\r\r if (dest->IsModeSet('Q') != adding)\r {\r bool ok = false;\r\r for (int j = 0; j < conf->Enumerate("type"); j++)\r {\r std::string opertype = conf->ReadValue("type","name",j);\r if (opertype == source->oper)\r {\r ok = conf->ReadFlag("type", "canquiet", j);\r break;\r }\r }\r\r if (!ok)\r {\r source->WriteServ("481 %s :Permission Denied - You do not have access to become invisible via user mode +Q", source->nick);\r return MODEACTION_DENY;\r }\r\r dest->SetMode('Q', adding);\r\r /* Set visibility handler object */\r dest->Visibility = adding ? qo : NULL;\r\r /* User appears to vanish or appear from nowhere */\r for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)\r {\r CUList *ulist = f->first->GetUsers();\r char tb[MAXBUF];\r\r snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost(), adding ? "PART" : "JOIN", f->first->name);\r std::string out = tb;\r std::string n = this->ServerInstance->Modes->ModeString(dest, f->first);\r\r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r {\r /* User only appears to vanish for non-opers */\r if (IS_LOCAL(i->first) && !IS_OPER(i->first))\r {\r i->first->Write(out);\r if (!n.empty() && !adding)\r i->first->WriteServ("MODE %s +%s", f->first->name, n.c_str());\r }\r }\r\r ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has become %svisible (%sQ)", dest->GetFullHost(), adding ? "in" : "", adding ? "+" : "-");\r }\r return MODEACTION_ALLOW;\r }\r else\r {\r return MODEACTION_DENY;\r }\r }\r};\r\rclass InvisibleDeOper : public ModeWatcher\r{\r private:\r InspIRCd* Srv;\r public:\r InvisibleDeOper(InspIRCd* Instance) : ModeWatcher(Instance, 'o', MODETYPE_USER), Srv(Instance)\r {\r }\r\r bool BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶m, bool adding, ModeType type)\r {\r /* Users who are opers and have +Q get their +Q removed when they deoper */\r if ((!adding) && (dest->IsModeSet('Q')))\r {\r const char* newmodes[] = { dest->nick, "-Q" };\r ServerInstance->Modes->Process(newmodes, 2, source, true);\r }\r return true;\r }\r};\r\r\rclass ModuleInvisible : public Module\r{\r private:\r InvisibleMode* qm;\r InvisibleDeOper* ido;\r public:\r ModuleInvisible(InspIRCd* Me)\r : Module(Me)\r {\r conf = new ConfigReader(ServerInstance);\r qm = new InvisibleMode(ServerInstance);\r if (!ServerInstance->AddMode(qm, 'Q'))\r throw ModuleException("Could not add new modes!");\r ido = new InvisibleDeOper(ServerInstance);\r if (!ServerInstance->AddModeWatcher(ido))\r throw ModuleException("Could not add new mode watcher on usermode +o!");\r }\r\r virtual ~ModuleInvisible()\r {\r ServerInstance->Modes->DelMode(qm);\r ServerInstance->Modes->DelModeWatcher(ido);\r DELETE(qm);\r DELETE(ido);\r DELETE(conf);\r }\r\r virtual Version GetVersion()\r {\r return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);\r }\r\r void Implements(char* List)\r {\r List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = List[I_OnRehash] = 1;\r }\r \r virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)\r {\r if (user->IsModeSet('Q'))\r {\r silent = true;\r /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */\r this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);\r ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has joined %s invisibly (+Q)", user->GetFullHost(), channel->name);\r }\r }\r\r virtual void OnRehash(userrec* user, const std::string ¶meter)\r {\r DELETE(conf);\r conf = new ConfigReader(ServerInstance);\r }\r\r void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)\r {\r if (user->IsModeSet('Q'))\r {\r silent = true;\r /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */\r this->WriteCommonFrom(user, channel, "PART %s%s%s", channel->name,\r partmessage.empty() ? "" : " :",\r partmessage.empty() ? "" : partmessage.c_str());\r }\r }\r\r void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)\r {\r if (user->IsModeSet('Q'))\r {\r command_t* parthandler = ServerInstance->Parser->GetHandler("PART");\r std::vector<std::string> to_leave;\r const char* parameters[2];\r if (parthandler)\r {\r for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)\r to_leave.push_back(f->first->name);\r /* We cant do this neatly in one loop, as we are modifying the map we are iterating */\r for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)\r {\r parameters[0] = n->c_str();\r /* This triggers our OnUserPart, above, making the PART silent */\r parthandler->Handle(parameters, 1, user);\r }\r }\r }\r }\r\r /* No privmsg response when hiding - submitted by Eric at neowin */\r virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)\r {\r if ((target_type == TYPE_USER) && (IS_LOCAL(user)))\r {\r userrec* target = (userrec*)dest;\r if(target->IsModeSet('Q') && !*user->oper)\r {\r user->WriteServ("401 %s %s :No such nick/channel",user->nick, target->nick);\r return 1;\r }\r }\r return 0;\r }\r \r virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)\r {\r return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);\r }\r\r /* Fix by Eric @ neowin.net, thanks :) -- Brain */\r void WriteCommonFrom(userrec *user, chanrec* channel, const char* text, ...)\r {\r va_list argsPtr;\r char textbuffer[MAXBUF];\r char tb[MAXBUF];\r \r va_start(argsPtr, text);\r vsnprintf(textbuffer, MAXBUF, text, argsPtr);\r va_end(argsPtr);\r snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);\r \r CUList *ulist = channel->GetUsers();\r \r for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)\r {\r /* User only appears to vanish for non-opers */\r if (IS_LOCAL(i->first) && IS_OPER(i->first))\r {\r i->first->Write(std::string(tb));\r }\r }\r }\r\r};\r\rMODULE_INIT(ModuleInvisible)\r
\ 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 <stdarg.h>
+
+/* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */
+
+static ConfigReader* conf;
+
+class QuietOper : public VisData
+{
+ public:
+ QuietOper()
+ {
+ }
+
+ virtual ~QuietOper()
+ {
+ }
+
+ virtual bool VisibleTo(userrec* user)
+ {
+ return IS_OPER(user);
+ }
+};
+
+
+class InvisibleMode : public ModeHandler
+{
+ QuietOper* qo;
+ public:
+ InvisibleMode(InspIRCd* Instance) : ModeHandler(Instance, 'Q', 0, 0, false, MODETYPE_USER, true)
+ {
+ qo = new QuietOper();
+ }
+
+ ~InvisibleMode()
+ {
+ for (user_hash::iterator i = ServerInstance->clientlist->begin(); i != ServerInstance->clientlist->end(); i++)
+ if (i->second->Visibility == qo)
+ i->second->Visibility = NULL;
+ delete qo;
+ }
+
+ ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
+ {
+ if (source != dest)
+ return MODEACTION_DENY;
+
+ if (dest->IsModeSet('Q') != adding)
+ {
+ bool ok = false;
+
+ for (int j = 0; j < conf->Enumerate("type"); j++)
+ {
+ std::string opertype = conf->ReadValue("type","name",j);
+ if (opertype == source->oper)
+ {
+ ok = conf->ReadFlag("type", "canquiet", j);
+ break;
+ }
+ }
+
+ if (!ok)
+ {
+ source->WriteServ("481 %s :Permission Denied - You do not have access to become invisible via user mode +Q", source->nick);
+ return MODEACTION_DENY;
+ }
+
+ dest->SetMode('Q', adding);
+
+ /* Fix for bug #379 reported by stealth. On +/-Q make m_watch think the user has signed on/off */
+ Module* m = ServerInstance->FindModule("m_watch.so");
+
+ /* This must come before setting/unsetting the handler */
+ if (m && adding)
+ m->OnUserQuit(dest, "Connection closed", "Connection closed");
+
+ /* Set visibility handler object */
+ dest->Visibility = adding ? qo : NULL;
+
+ /* This has to come after setting/unsetting the handler */
+ if (m && !adding)
+ m->OnPostConnect(dest);
+
+ /* User appears to vanish or appear from nowhere */
+ for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)
+ {
+ CUList *ulist = f->first->GetUsers();
+ char tb[MAXBUF];
+
+ snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost(), adding ? "PART" : "JOIN", f->first->name);
+ std::string out = tb;
+ std::string n = this->ServerInstance->Modes->ModeString(dest, f->first);
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ /* User only appears to vanish for non-opers */
+ if (IS_LOCAL(i->first) && !IS_OPER(i->first))
+ {
+ i->first->Write(out);
+ if (!n.empty() && !adding)
+ i->first->WriteServ("MODE %s +%s", f->first->name, n.c_str());
+ }
+ }
+
+ ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has become %svisible (%sQ)", dest->GetFullHost(), adding ? "in" : "", adding ? "+" : "-");
+ }
+ return MODEACTION_ALLOW;
+ }
+ else
+ {
+ return MODEACTION_DENY;
+ }
+ }
+};
+
+class InvisibleDeOper : public ModeWatcher
+{
+ private:
+ InspIRCd* Srv;
+ public:
+ InvisibleDeOper(InspIRCd* Instance) : ModeWatcher(Instance, 'o', MODETYPE_USER), Srv(Instance)
+ {
+ }
+
+ bool BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶m, bool adding, ModeType type)
+ {
+ /* Users who are opers and have +Q get their +Q removed when they deoper */
+ if ((!adding) && (dest->IsModeSet('Q')))
+ {
+ const char* newmodes[] = { dest->nick, "-Q" };
+ ServerInstance->Modes->Process(newmodes, 2, source, true);
+ }
+ return true;
+ }
+};
+
+
+class ModuleInvisible : public Module
+{
+ private:
+ InvisibleMode* qm;
+ InvisibleDeOper* ido;
+ public:
+ ModuleInvisible(InspIRCd* Me)
+ : Module(Me)
+ {
+ conf = new ConfigReader(ServerInstance);
+ qm = new InvisibleMode(ServerInstance);
+ if (!ServerInstance->AddMode(qm, 'Q'))
+ throw ModuleException("Could not add new modes!");
+ ido = new InvisibleDeOper(ServerInstance);
+ if (!ServerInstance->AddModeWatcher(ido))
+ throw ModuleException("Could not add new mode watcher on usermode +o!");
+
+ /* Yeah i know people can take this out. I'm not about to obfuscate code just to be a pain in the ass. */
+ ServerInstance->ServerNoticeAll("*** m_invisible.so has just been loaded on this network. For more information, please visit http://inspircd.org/wiki/Modules/invisible");
+ }
+
+ virtual ~ModuleInvisible()
+ {
+ ServerInstance->Modes->DelMode(qm);
+ ServerInstance->Modes->DelModeWatcher(ido);
+ DELETE(qm);
+ DELETE(ido);
+ DELETE(conf);
+ }
+
+ virtual Version GetVersion()
+ {
+ return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
+ }
+
+ void Implements(char* List)
+ {
+ List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserJoin] = List[I_OnUserPart] = List[I_OnUserQuit] = List[I_OnRehash] = 1;
+ }
+
+ virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent)
+ {
+ if (user->IsModeSet('Q'))
+ {
+ silent = true;
+ /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
+ this->WriteCommonFrom(user, channel, "JOIN %s", channel->name);
+ ServerInstance->WriteOpers("*** \2NOTICE\2: Oper %s has joined %s invisibly (+Q)", user->GetFullHost(), channel->name);
+ }
+ }
+
+ virtual void OnRehash(userrec* user, const std::string ¶meter)
+ {
+ DELETE(conf);
+ conf = new ConfigReader(ServerInstance);
+ }
+
+ void OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage, bool &silent)
+ {
+ if (user->IsModeSet('Q'))
+ {
+ silent = true;
+ /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
+ this->WriteCommonFrom(user, channel, "PART %s%s%s", channel->name,
+ partmessage.empty() ? "" : " :",
+ partmessage.empty() ? "" : partmessage.c_str());
+ }
+ }
+
+ void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
+ {
+ if (user->IsModeSet('Q'))
+ {
+ command_t* parthandler = ServerInstance->Parser->GetHandler("PART");
+ std::vector<std::string> to_leave;
+ const char* parameters[2];
+ if (parthandler)
+ {
+ for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
+ to_leave.push_back(f->first->name);
+ /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
+ for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
+ {
+ parameters[0] = n->c_str();
+ /* This triggers our OnUserPart, above, making the PART silent */
+ parthandler->Handle(parameters, 1, user);
+ }
+ }
+ }
+ }
+
+ /* No privmsg response when hiding - submitted by Eric at neowin */
+ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+ {
+ if ((target_type == TYPE_USER) && (IS_LOCAL(user)))
+ {
+ userrec* target = (userrec*)dest;
+ if(target->IsModeSet('Q') && !*user->oper)
+ {
+ user->WriteServ("401 %s %s :No such nick/channel",user->nick, target->nick);
+ return 1;
+ }
+ }
+ return 0;
+ }
+
+ virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+ {
+ return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);
+ }
+
+ /* Fix by Eric @ neowin.net, thanks :) -- Brain */
+ void WriteCommonFrom(userrec *user, chanrec* channel, const char* text, ...)
+ {
+ va_list argsPtr;
+ char textbuffer[MAXBUF];
+ char tb[MAXBUF];
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+ snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),textbuffer);
+
+ CUList *ulist = channel->GetUsers();
+
+ for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
+ {
+ /* User only appears to vanish for non-opers */
+ if (IS_LOCAL(i->first) && IS_OPER(i->first))
+ {
+ i->first->Write(std::string(tb));
+ }
+ }
+ }
+
+};
+
+MODULE_INIT(ModuleInvisible)