X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_ident.cpp;h=6099e7c1411e24659a1aed30a5dbd9034612f97a;hb=86f8294c2de86b8d060abbb02f7c51c0ca0d9ead;hp=b7c9c1cfdef7ca8c481225093ddc66f9c4a53c5f;hpb=44f42a13de52c8025942ddab42f51feb36821782;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_ident.cpp b/src/modules/m_ident.cpp index b7c9c1cfd..6099e7c14 100644 --- a/src/modules/m_ident.cpp +++ b/src/modules/m_ident.cpp @@ -216,60 +216,56 @@ class IdentRequestSocket : public EventHandler char ibuf[MAXBUF]; int recvresult = ServerInstance->SE->Recv(this, ibuf, MAXBUF-1, 0); + /* Close (but don't delete from memory) our socket + * and flag as done since the ident lookup has finished + */ + Close(); + done = true; + /* Cant possibly be a valid response shorter than 3 chars, * because the shortest possible response would look like: '1,1' */ if (recvresult < 3) - { - Close(); - done = true; return; - } ServerInstance->Logs->Log("m_ident",DEBUG,"ReadResponse()"); - irc::sepstream sep(ibuf, ':'); - std::string token; - for (int i = 0; sep.GetToken(token); i++) - { - /* We only really care about the 4th portion */ - if (i < 3) - continue; - - std::string ident; + /* Truncate at the first null character, but first make sure + * there is at least one null char (at the end of the buffer). + */ + ibuf[recvresult] = '\0'; + std::string buf(ibuf); - /* Truncate the ident at any characters we don't like, skip leading spaces */ - size_t k = 0; - for (const char *j = token.c_str(); *j && (k < ServerInstance->Config->Limits.IdentMax + 1); j++) - { - if (*j == ' ') - continue; + /* <2 colons: invalid + * 2 colons: reply is an error + * >3 colons: there is a colon in the ident + */ + if (std::count(buf.begin(), buf.end(), ':') != 3) + return; - /* Rules taken from InspIRCd::IsIdent */ - if (((*j >= 'A') && (*j <= '}')) || ((*j >= '0') && (*j <= '9')) || (*j == '-') || (*j == '.')) - { - ident += *j; - continue; - } + std::string::size_type lastcolon = buf.rfind(':'); + /* Truncate the ident at any characters we don't like, skip leading spaces */ + for (std::string::const_iterator i = buf.begin()+lastcolon+1; i != buf.end(); ++i) + { + if (result.size() == ServerInstance->Config->Limits.IdentMax) + /* Ident is getting too long */ break; - } - /* Re-check with IsIdent, in case that changes and this doesn't (paranoia!) */ - if (!ident.empty() && ServerInstance->IsIdent(ident.c_str())) + if (*i == ' ') + continue; + + /* Add the next char to the result and see if it's still a valid ident, + * according to IsIdent(). If it isn't, then erase what we just added and + * we're done. + */ + result += *i; + if (!ServerInstance->IsIdent(result.c_str())) { - result = ident; + result.erase(result.end()-1); + break; } - - break; } - - /* Close (but dont delete from memory) our socket - * and flag as done - */ - Close(); - done = true; - return; } }; @@ -280,12 +276,17 @@ class ModuleIdent : public Module public: ModuleIdent() : ext("ident_socket", this) { + } + + void init() + { + ServerInstance->Modules->AddService(ext); OnRehash(NULL); Implementation eventlist[] = { I_OnRehash, I_OnUserInit, I_OnCheckReady, I_OnUserDisconnect, I_OnSetConnectClass }; - ServerInstance->Modules->Attach(eventlist, this, 5); + ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation)); } ~ModuleIdent() @@ -299,9 +300,7 @@ class ModuleIdent : public Module virtual void OnRehash(User *user) { - ConfigReader Conf; - - RequestTimeout = Conf.ReadInteger("ident", "timeout", 0, true); + RequestTimeout = ServerInstance->Config->ConfValue("ident")->getInt("timeout", 5); if (!RequestTimeout) RequestTimeout = 5; } @@ -372,6 +371,7 @@ class ModuleIdent : public Module user->WriteServ("NOTICE Auth :*** Found your ident, '%s'", user->ident.c_str()); } + user->InvalidateCache(); isock->Close(); ext.unset(user); return MOD_RES_PASSTHRU; @@ -388,7 +388,11 @@ class ModuleIdent : public Module { /* Module unloading, tidy up users */ if (target_type == TYPE_USER) - OnUserDisconnect((LocalUser*)item); + { + LocalUser* user = IS_LOCAL((User*) item); + if (user) + OnUserDisconnect(user); + } } virtual void OnUserDisconnect(LocalUser *user)