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| author | Felix Lange <fjl@twurst.com> | 2016-11-25 20:59:18 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-11-25 20:59:18 +0800 |
| commit | d1a95c643eadd506f6ae85784d22c7823e411ee9 (patch) | |
| tree | 7872593b296835e07a96d5bb40ddcd1f04849ea3 /cmd/utils/flags.go | |
| parent | 9c3ea0d32d26957fd73ddf07e37d93091de596fd (diff) | |
| parent | e5edd3b983189790391dca5b2ae4a0e460cb7f42 (diff) | |
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Merge pull request #3325 from fjl/p2p-netrestrict
Prevent relay of invalid IPs, add --netrestrict
Diffstat (limited to 'cmd/utils/flags.go')
| -rw-r--r-- | cmd/utils/flags.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index 3bb625387..5c09e44ec 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -45,6 +45,7 @@ import ( "github.com/ethereum/go-ethereum/p2p/discover" "github.com/ethereum/go-ethereum/p2p/discv5" "github.com/ethereum/go-ethereum/p2p/nat" + "github.com/ethereum/go-ethereum/p2p/netutil" "github.com/ethereum/go-ethereum/params" "github.com/ethereum/go-ethereum/pow" "github.com/ethereum/go-ethereum/rpc" @@ -366,10 +367,16 @@ var ( Name: "v5disc", Usage: "Enables the experimental RLPx V5 (Topic Discovery) mechanism", } + NetrestrictFlag = cli.StringFlag{ + Name: "netrestrict", + Usage: "Restricts network communication to the given IP networks (CIDR masks)", + } + WhisperEnabledFlag = cli.BoolFlag{ Name: "shh", Usage: "Enable Whisper", } + // ATM the url is left to the user and deployment to JSpathFlag = cli.StringFlag{ Name: "jspath", @@ -693,6 +700,14 @@ func MakeNode(ctx *cli.Context, name, gitCommit string) *node.Node { config.MaxPeers = 0 config.ListenAddr = ":0" } + if netrestrict := ctx.GlobalString(NetrestrictFlag.Name); netrestrict != "" { + list, err := netutil.ParseNetlist(netrestrict) + if err != nil { + Fatalf("Option %q: %v", NetrestrictFlag.Name, err) + } + config.NetRestrict = list + } + stack, err := node.New(config) if err != nil { Fatalf("Failed to create the protocol stack: %v", err) |