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-rw-r--r--src/modules/m_spanningtree/capab.cpp80
-rw-r--r--src/modules/m_spanningtree/treesocket.h5
2 files changed, 55 insertions, 30 deletions
diff --git a/src/modules/m_spanningtree/capab.cpp b/src/modules/m_spanningtree/capab.cpp
index 256a3d069..795627a61 100644
--- a/src/modules/m_spanningtree/capab.cpp
+++ b/src/modules/m_spanningtree/capab.cpp
@@ -79,14 +79,26 @@ std::string TreeSocket::MyModules(int filter)
return capabilities;
}
-static std::string BuildModeList(ModeType type)
+std::string TreeSocket::BuildModeList(ModeType type)
{
std::vector<std::string> modes;
const ModeParser::ModeHandlerMap& mhs = ServerInstance->Modes.GetModes(type);
for (ModeParser::ModeHandlerMap::const_iterator i = mhs.begin(); i != mhs.end(); ++i)
{
const ModeHandler* const mh = i->second;
- std::string mdesc = mh->name;
+ std::string mdesc;
+ if (proto_version != 1202)
+ {
+ if (mh->IsPrefixMode())
+ mdesc.append("prefix:");
+ else if (mh->IsListMode())
+ mdesc.append("list:");
+ else if (mh->NeedsParam(true))
+ mdesc.append(mh->NeedsParam(false) ? "param:" : "param-set:");
+ else
+ mdesc.append("simple:");
+ }
+ mdesc.append(mh->name);
mdesc.push_back('=');
const PrefixMode* const pm = mh->IsPrefixMode();
if (pm)
@@ -166,8 +178,11 @@ void TreeSocket::SendCapabilities(int phase)
// 2.0 needs these keys.
if (proto_version == 1202)
{
- extra.append(" PROTOCOL="+ConvToStr(ProtocolVersion));
- extra.append(" MAXGECOS="+ConvToStr(ServerInstance->Config->Limits.MaxReal));
+ extra.append(" PROTOCOL="+ConvToStr(ProtocolVersion))
+ .append(" MAXGECOS="+ConvToStr(ServerInstance->Config->Limits.MaxReal))
+ .append(" CHANMODES="+ServerInstance->Modes->GiveModeList(MODETYPE_CHANNEL))
+ .append(" USERMODES="+ServerInstance->Modes->GiveModeList(MODETYPE_USER))
+ .append(" PREFIX="+ ServerInstance->Modes->BuildPrefixes());
}
this->WriteLine("CAPAB CAPABILITIES " /* Preprocessor does this one. */
@@ -182,9 +197,6 @@ void TreeSocket::SendCapabilities(int phase)
" MAXAWAY="+ConvToStr(ServerInstance->Config->Limits.MaxAway)+
" MAXHOST="+ConvToStr(ServerInstance->Config->Limits.MaxHost)+
extra+
- " PREFIX="+ServerInstance->Modes->BuildPrefixes()+
- " 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
@@ -275,6 +287,7 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
return false;
}
}
+
if (this->capab->OptModuleList != this->MyModules(VF_OPTCOMMON) && this->capab->OptModuleList.length())
{
std::string diffIneed, diffUneed;
@@ -290,7 +303,7 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
}
else
{
- reason = "Optional modules incorrectly matched on these servers, and options::allowmismatch not set.";
+ reason = "Optional modules incorrectly matched on these servers and <options:allowmismatch> is not enabled.";
if (diffIneed.length())
reason += " Not loaded here:" + diffIneed;
if (diffUneed.length())
@@ -301,9 +314,6 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
}
}
- 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.";
-
if (!capab->ChanModes.empty())
{
if (capab->ChanModes != BuildModeList(MODETYPE_CHANNEL))
@@ -320,10 +330,25 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
}
}
}
- else if (this->capab->CapKeys.find("CHANMODES") != this->capab->CapKeys.end())
+ else if (proto_version == 1202)
+ {
+ if (this->capab->CapKeys.find("CHANMODES") != this->capab->CapKeys.end())
+ {
+ 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.";
+ }
+
+ else if (this->capab->CapKeys.find("PREFIX") != this->capab->CapKeys.end())
+ {
+ if (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.";
+ }
+ }
+
+ if (!reason.empty())
{
- 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.";
+ this->SendError("CAPAB negotiation failed: " + reason);
+ return false;
}
if (!capab->UserModes.empty())
@@ -342,28 +367,29 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
}
}
}
- else if (this->capab->CapKeys.find("USERMODES") != this->capab->CapKeys.end())
+ else if (proto_version == 1202 && this->capab->CapKeys.find("USERMODES") != this->capab->CapKeys.end())
{
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
+
+ if (!reason.empty())
{
- // 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<std::string, std::string>::iterator citer = this->capab->CapKeys.find("CASEMAPPING");
- if (citer != this->capab->CapKeys.end())
- casemapping = citer->second;
+ this->SendError("CAPAB negotiation failed: " + reason);
+ return false;
+ }
+ if (this->capab->CapKeys.find("CASEMAPPING") != this->capab->CapKeys.end())
+ {
+ const std::string casemapping = this->capab->CapKeys.find("CASEMAPPING")->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;
+ this->SendError("CAPAB negotiation failed: " + reason);
+ return false;
}
-
}
/* Challenge response, store their challenge for our password */
@@ -387,12 +413,6 @@ bool TreeSocket::Capab(const CommandBase::Params& params)
this->WriteLine("SERVER "+ServerInstance->Config->ServerName+" "+capab->link->SendPass+" 0 "+ServerInstance->Config->GetSID()+" :"+ServerInstance->Config->ServerDesc);
}
}
-
- if (reason.length())
- {
- this->SendError("CAPAB negotiation failed: "+reason);
- return false;
- }
}
else if ((params[0] == "MODULES") && (params.size() == 2))
{
diff --git a/src/modules/m_spanningtree/treesocket.h b/src/modules/m_spanningtree/treesocket.h
index d99dc9104..e8dbfd7cf 100644
--- a/src/modules/m_spanningtree/treesocket.h
+++ b/src/modules/m_spanningtree/treesocket.h
@@ -238,6 +238,11 @@ class TreeSocket : public BufferedSocket
*/
std::string MyModules(int filter);
+ /** Returns mode list as a string, filtered by type.
+ * @param type The type of modes to return.
+ */
+ std::string BuildModeList(ModeType type);
+
/** Send my capabilities to the remote side
*/
void SendCapabilities(int phase);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 21:46:45 +0000