X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmodules%2Fm_spanningtree%2Fcapab.cpp;h=342945c3aa921c3d330e5e243264380d7c0e2b03;hb=8cb20e354533fbec24aafd4e61ff6fa69b434aa2;hp=f36692a542959636fcc45629bf0947e688831100;hpb=66b90807bb94d88c8a34ec8a1fd7c1558941c47a;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_spanningtree/capab.cpp b/src/modules/m_spanningtree/capab.cpp index f36692a54..342945c3a 100644 --- a/src/modules/m_spanningtree/capab.cpp +++ b/src/modules/m_spanningtree/capab.cpp @@ -20,27 +20,56 @@ #include "inspircd.h" -#include "xline.h" -#include "treesocket.h" #include "treeserver.h" #include "utils.h" #include "link.h" #include "main.h" +struct CompatMod +{ + const char* name; + ModuleFlags listflag; +}; + +static CompatMod compatmods[] = +{ + { "m_watch.so", VF_OPTCOMMON } +}; + std::string TreeSocket::MyModules(int filter) { - std::vector modlist = ServerInstance->Modules->GetAllModuleNames(filter); + const ModuleManager::ModuleMap& modlist = ServerInstance->Modules->GetModules(); std::string capabilities; - sort(modlist.begin(),modlist.end()); - for (std::vector::const_iterator i = modlist.begin(); i != modlist.end(); ++i) + for (ModuleManager::ModuleMap::const_iterator i = modlist.begin(); i != modlist.end(); ++i) { + Module* const mod = i->second; + // 3.0 advertises its settings for the benefit of services + // 2.0 would bork on this + if (proto_version < 1205 && i->second->ModuleSourceFile == "m_kicknorejoin.so") + continue; + + bool do_compat_include = false; + if (proto_version < 1205) + { + for (size_t j = 0; j < sizeof(compatmods)/sizeof(compatmods[0]); j++) + { + if ((compatmods[j].listflag & filter) && (mod->ModuleSourceFile == compatmods[j].name)) + { + do_compat_include = true; + break; + } + } + } + + Version v = i->second->GetVersion(); + if ((!do_compat_include) && (!(v.Flags & filter))) + continue; + if (i != modlist.begin()) capabilities.push_back(' '); - capabilities.append(*i); - Module* m = ServerInstance->Modules->Find(*i); - Version v = m->GetVersion(); + capabilities.append(i->first); if (!v.link_data.empty()) { capabilities.push_back('='); @@ -53,23 +82,23 @@ std::string TreeSocket::MyModules(int filter) static std::string BuildModeList(ModeType type) { std::vector modes; - for(char c='A'; c <= 'z'; c++) + const ModeParser::ModeHandlerMap& mhs = ServerInstance->Modes.GetModes(type); + for (ModeParser::ModeHandlerMap::const_iterator i = mhs.begin(); i != mhs.end(); ++i) { - ModeHandler* mh = ServerInstance->Modes->FindMode(c, type); - if (mh) + const ModeHandler* const mh = i->second; + std::string mdesc = mh->name; + mdesc.push_back('='); + const PrefixMode* const pm = mh->IsPrefixMode(); + if (pm) { - std::string mdesc = mh->name; - mdesc.push_back('='); - if (mh->GetPrefix()) - mdesc.push_back(mh->GetPrefix()); - if (mh->GetModeChar()) - mdesc.push_back(mh->GetModeChar()); - modes.push_back(mdesc); + if (pm->GetPrefix()) + mdesc.push_back(pm->GetPrefix()); } + mdesc.push_back(mh->GetModeChar()); + modes.push_back(mdesc); } - sort(modes.begin(), modes.end()); - irc::stringjoiner line(" ", modes, 0, modes.size() - 1); - return line.GetJoined(); + std::sort(modes.begin(), modes.end()); + return stdalgo::string::join(modes); } void TreeSocket::SendCapabilities(int phase) @@ -128,12 +157,19 @@ void TreeSocket::SendCapabilities(int phase) std::string extra; /* Do we have sha256 available? If so, we send a challenge */ - if (Utils->ChallengeResponse && (ServerInstance->Modules->Find("m_sha256.so"))) + if (ServerInstance->Modules->FindService(SERVICE_DATA, "hash/sha256")) { SetOurChallenge(ServerInstance->GenRandomStr(20)); extra = " CHALLENGE=" + this->GetOurChallenge(); } + // 2.0 needs these keys. + if (proto_version == 1202) + { + extra.append(" PROTOCOL="+ConvToStr(ProtocolVersion)); + extra.append(" MAXGECOS="+ConvToStr(ServerInstance->Config->Limits.MaxReal)); + } + this->WriteLine("CAPAB CAPABILITIES " /* Preprocessor does this one. */ ":NICKMAX="+ConvToStr(ServerInstance->Config->Limits.NickMax)+ " CHANMAX="+ConvToStr(ServerInstance->Config->Limits.ChanMax)+ @@ -142,14 +178,21 @@ void TreeSocket::SendCapabilities(int phase) " MAXQUIT="+ConvToStr(ServerInstance->Config->Limits.MaxQuit)+ " MAXTOPIC="+ConvToStr(ServerInstance->Config->Limits.MaxTopic)+ " MAXKICK="+ConvToStr(ServerInstance->Config->Limits.MaxKick)+ - " MAXGECOS="+ConvToStr(ServerInstance->Config->Limits.MaxGecos)+ + " MAXREAL="+ConvToStr(ServerInstance->Config->Limits.MaxReal)+ " MAXAWAY="+ConvToStr(ServerInstance->Config->Limits.MaxAway)+ - " IP6SUPPORT=1"+ - " PROTOCOL="+ConvToStr(ProtocolVersion)+extra+ + " MAXHOST="+ConvToStr(ServerInstance->Config->Limits.MaxHost)+ + extra+ " PREFIX="+ServerInstance->Modes->BuildPrefixes()+ - " CHANMODES="+ServerInstance->Modes->GiveModeList(MASK_CHANNEL)+ - " USERMODES="+ServerInstance->Modes->GiveModeList(MASK_USER)+ - " SVSPART=1"); + " CHANMODES="+ServerInstance->Modes->GiveModeList(MODETYPE_CHANNEL)+ + " USERMODES="+ServerInstance->Modes->GiveModeList(MODETYPE_USER)+ + " CASEMAPPING="+ServerInstance->Config->CaseMapping+ + // XXX: Advertise the presence or absence of m_globops in CAPAB CAPABILITIES. + // Services want to know about it, and since m_globops was not marked as VF_(OPT)COMMON + // in 2.0, we advertise it here to not break linking to previous versions. + // Protocol version 1201 (1.2) does not have this issue because we advertise m_globops + // to 1201 protocol servers irrespectively of its module flags. + (ServerInstance->Modules->Find("m_globops.so") != NULL ? " GLOBOPS=1" : " GLOBOPS=0") + ); this->WriteLine("CAPAB END"); } @@ -181,7 +224,7 @@ void TreeSocket::ListDifference(const std::string &one, const std::string &two, } } -bool TreeSocket::Capab(const parameterlist ¶ms) +bool TreeSocket::Capab(const CommandBase::Params& params) { if (params.size() < 1) { @@ -194,7 +237,23 @@ bool TreeSocket::Capab(const parameterlist ¶ms) capab->OptModuleList.clear(); capab->CapKeys.clear(); if (params.size() > 1) - proto_version = atoi(params[1].c_str()); + proto_version = ConvToInt(params[1]); + + if (proto_version < MinCompatProtocol) + { + SendError("CAPAB negotiation failed: Server is using protocol version " + (proto_version ? ConvToStr(proto_version) : "1201 or older") + + " which is too old to link with this server (version " + ConvToStr(ProtocolVersion) + + (ProtocolVersion != MinCompatProtocol ? ", links with " + ConvToStr(MinCompatProtocol) + " and above)" : ")")); + return false; + } + + // Special case, may be removed in the future + if (proto_version == 1203 || proto_version == 1204) + { + SendError("CAPAB negotiation failed: InspIRCd 2.1 beta is not supported"); + return false; + } + SendCapabilities(2); } else if (params[0] == "END") @@ -242,21 +301,6 @@ bool TreeSocket::Capab(const parameterlist ¶ms) } } - if (this->capab->CapKeys.find("PROTOCOL") == this->capab->CapKeys.end()) - { - reason = "Protocol version not specified"; - } - else - { - proto_version = atoi(capab->CapKeys.find("PROTOCOL")->second.c_str()); - if (proto_version < MinCompatProtocol) - { - reason = "Server is using protocol version " + ConvToStr(proto_version) + - " which is too old to link with this server (version " + ConvToStr(ProtocolVersion) - + (ProtocolVersion != MinCompatProtocol ? ", links with " + ConvToStr(MinCompatProtocol) + " and above)" : ")"); - } - } - if(this->capab->CapKeys.find("PREFIX") != this->capab->CapKeys.end() && this->capab->CapKeys.find("PREFIX")->second != ServerInstance->Modes->BuildPrefixes()) reason = "One or more of the prefixes on the remote server are invalid on this server."; @@ -278,7 +322,7 @@ bool TreeSocket::Capab(const parameterlist ¶ms) } else if (this->capab->CapKeys.find("CHANMODES") != this->capab->CapKeys.end()) { - if (this->capab->CapKeys.find("CHANMODES")->second != ServerInstance->Modes->GiveModeList(MASK_CHANNEL)) + if (this->capab->CapKeys.find("CHANMODES")->second != ServerInstance->Modes->GiveModeList(MODETYPE_CHANNEL)) reason = "One or more of the channel modes on the remote server are invalid on this server."; } @@ -300,13 +344,31 @@ bool TreeSocket::Capab(const parameterlist ¶ms) } else if (this->capab->CapKeys.find("USERMODES") != this->capab->CapKeys.end()) { - if (this->capab->CapKeys.find("USERMODES")->second != ServerInstance->Modes->GiveModeList(MASK_USER)) + if (this->capab->CapKeys.find("USERMODES")->second != ServerInstance->Modes->GiveModeList(MODETYPE_USER)) reason = "One or more of the user modes on the remote server are invalid on this server."; } + else + { + // We default to rfc1459 here because if this key is not sent then + // the remote server is running the 2.0 protocol which uses rfc1459 + // by default. + std::string casemapping = "rfc1459"; + std::map::iterator citer = this->capab->CapKeys.find("CASEMAPPING"); + if (citer != this->capab->CapKeys.end()) + casemapping = citer->second; + + if (casemapping != ServerInstance->Config->CaseMapping) + { + reason = "The casemapping of the remote server differs to that of the local server." + " Local casemapping: " + ServerInstance->Config->CaseMapping + + " Remote casemapping: " + casemapping; + } + + } /* Challenge response, store their challenge for our password */ std::map::iterator n = this->capab->CapKeys.find("CHALLENGE"); - if (Utils->ChallengeResponse && (n != this->capab->CapKeys.end()) && (ServerInstance->Modules->Find("m_sha256.so"))) + if ((n != this->capab->CapKeys.end()) && (ServerInstance->Modules->FindService(SERVICE_DATA, "hash/sha256"))) { /* Challenge-response is on now */ this->SetTheirChallenge(n->second); @@ -318,7 +380,7 @@ bool TreeSocket::Capab(const parameterlist ¶ms) } else { - /* They didnt specify a challenge or we don't have m_sha256.so, we use plaintext */ + // They didn't specify a challenge or we don't have sha256, we use plaintext if (this->LinkState == CONNECTING) { this->SendCapabilities(2); @@ -374,12 +436,11 @@ bool TreeSocket::Capab(const parameterlist ¶ms) std::string::size_type equals = item.find('='); if (equals != std::string::npos) { - std::string var = item.substr(0, equals); - std::string value = item.substr(equals+1, item.length()); + std::string var(item, 0, equals); + std::string value(item, equals+1); capab->CapKeys[var] = value; } } } return true; } -