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fix: forbid DFLYCLUSTER commads set for emulated cluster mode #3307
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Original file line number | Diff line number | Diff line change | ||||||||||||||
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@@ -369,8 +369,18 @@ void ClusterFamily::Cluster(CmdArgList args, ConnectionContext* cntx) { | |||||||||||||||
return cntx->SendError(kClusterDisabled); | ||||||||||||||||
} | ||||||||||||||||
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if (sub_cmd == "KEYSLOT") { | ||||||||||||||||
return KeySlot(args, cntx); | ||||||||||||||||
} | ||||||||||||||||
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if (args.size() > 1) { | ||||||||||||||||
return cntx->SendError(WrongNumArgsError(absl::StrCat("CLUSTER ", sub_cmd))); | ||||||||||||||||
} | ||||||||||||||||
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if (sub_cmd == "HELP") { | ||||||||||||||||
return ClusterHelp(cntx); | ||||||||||||||||
} else if (sub_cmd == "MYID") { | ||||||||||||||||
return ClusterMyId(cntx); | ||||||||||||||||
} else if (sub_cmd == "SHARDS") { | ||||||||||||||||
return ClusterShards(cntx); | ||||||||||||||||
} else if (sub_cmd == "SLOTS") { | ||||||||||||||||
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@@ -379,8 +389,6 @@ void ClusterFamily::Cluster(CmdArgList args, ConnectionContext* cntx) { | |||||||||||||||
return ClusterNodes(cntx); | ||||||||||||||||
} else if (sub_cmd == "INFO") { | ||||||||||||||||
return ClusterInfo(cntx); | ||||||||||||||||
} else if (sub_cmd == "KEYSLOT") { | ||||||||||||||||
return KeySlot(args, cntx); | ||||||||||||||||
} else { | ||||||||||||||||
return cntx->SendError(facade::UnknownSubCmd(sub_cmd, "CLUSTER"), facade::kSyntaxErrType); | ||||||||||||||||
} | ||||||||||||||||
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@@ -401,11 +409,15 @@ void ClusterFamily::ReadWrite(CmdArgList args, ConnectionContext* cntx) { | |||||||||||||||
} | ||||||||||||||||
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void ClusterFamily::DflyCluster(CmdArgList args, ConnectionContext* cntx) { | ||||||||||||||||
if (!IsClusterEnabledOrEmulated()) { | ||||||||||||||||
return cntx->SendError(kClusterDisabled); | ||||||||||||||||
if (!(IsClusterEnabled() || (IsClusterEmulated() && cntx->journal_emulated))) { | ||||||||||||||||
return cntx->SendError("Cluster is disabled. Use --cluster_mode=yes to enable."); | ||||||||||||||||
} | ||||||||||||||||
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VLOG(2) << "Got DFLYCLUSTER command (" << cntx->conn()->GetClientId() << "): " << args; | ||||||||||||||||
if (cntx->conn()) { | ||||||||||||||||
VLOG(2) << "Got DFLYCLUSTER command (" << cntx->conn()->GetClientId() << "): " << args; | ||||||||||||||||
} else { | ||||||||||||||||
VLOG(2) << "Got DFLYCLUSTER command (NO_CLIENT_ID): " << args; | ||||||||||||||||
} | ||||||||||||||||
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Suggested change
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. it's different types. int and char[] There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. You could return a string.. no need to duplicate code There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Will change it next time when do some changes in this file |
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ToUpper(&args[0]); | ||||||||||||||||
string_view sub_cmd = ArgS(args, 0); | ||||||||||||||||
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@@ -414,8 +426,6 @@ void ClusterFamily::DflyCluster(CmdArgList args, ConnectionContext* cntx) { | |||||||||||||||
return DflyClusterGetSlotInfo(args, cntx); | ||||||||||||||||
} else if (sub_cmd == "CONFIG") { | ||||||||||||||||
return DflyClusterConfig(args, cntx); | ||||||||||||||||
} else if (sub_cmd == "MYID") { | ||||||||||||||||
return DflyClusterMyId(args, cntx); | ||||||||||||||||
} else if (sub_cmd == "FLUSHSLOTS") { | ||||||||||||||||
return DflyClusterFlushSlots(args, cntx); | ||||||||||||||||
} else if (sub_cmd == "SLOT-MIGRATION-STATUS") { | ||||||||||||||||
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@@ -425,12 +435,8 @@ void ClusterFamily::DflyCluster(CmdArgList args, ConnectionContext* cntx) { | |||||||||||||||
return cntx->SendError(UnknownSubCmd(sub_cmd, "DFLYCLUSTER"), kSyntaxErrType); | ||||||||||||||||
} | ||||||||||||||||
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void ClusterFamily::DflyClusterMyId(CmdArgList args, ConnectionContext* cntx) { | ||||||||||||||||
if (!args.empty()) { | ||||||||||||||||
return cntx->SendError(WrongNumArgsError("DFLYCLUSTER MYID")); | ||||||||||||||||
} | ||||||||||||||||
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auto* rb = static_cast<RedisReplyBuilder*>(cntx->reply_builder()); | ||||||||||||||||
rb->SendBulkString(id_); | ||||||||||||||||
void ClusterFamily::ClusterMyId(ConnectionContext* cntx) { | ||||||||||||||||
cntx->SendSimpleString(id_); | ||||||||||||||||
} | ||||||||||||||||
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namespace { | ||||||||||||||||
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In which flow do you get null connection?
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oh this is the journal emulated mode
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nit:
client_info = cntx->conn()? ntx->conn()->GetClientId() : "stub";
VLOG(2) << "Got DFLYCLUSTER command (" << client_info << args;
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in journal_emulated