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| author | Martin Holst Swende <martin@swende.se> | 2018-02-12 20:52:07 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2018-02-12 20:52:07 +0800 |
| commit | 589b603a9b1e17930d1e83ca64ce7cdc4c3d5c85 (patch) | |
| tree | c1993266024190bd6789a471f5957b9dfa6f4dbc /cmd | |
| parent | 9123eceb0f78f69e88d909a56ad7fadb75570198 (diff) | |
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rpc: dns rebind protection (#15962)
* cmd,node,rpc: add allowedHosts to prevent dns rebinding attacks
* p2p,node: Fix bug with dumpconfig introduced in r54aeb8e4c0bb9f0e7a6c67258af67df3b266af3d
* rpc: add wildcard support for rpcallowedhosts + go fmt
* cmd/geth, cmd/utils, node, rpc: ignore direct ip(v4/6) addresses in rpc virtual hostnames check
* http, rpc, utils: make vhosts into map, address review concerns
* node: change log messages to use geth standard (not sprintf)
* rpc: fix spelling
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/geth/main.go | 1 | ||||
| -rw-r--r-- | cmd/geth/usage.go | 1 | ||||
| -rw-r--r-- | cmd/utils/flags.go | 7 |
3 files changed, 9 insertions, 0 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go index cb8d63bf7..a82e5c89c 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -114,6 +114,7 @@ var ( utils.VMEnableDebugFlag, utils.NetworkIdFlag, utils.RPCCORSDomainFlag, + utils.RPCVirtualHostsFlag, utils.EthStatsURLFlag, utils.MetricsEnabledFlag, utils.FakePoWFlag, diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go index a2bcaff02..a1558c233 100644 --- a/cmd/geth/usage.go +++ b/cmd/geth/usage.go @@ -156,6 +156,7 @@ var AppHelpFlagGroups = []flagGroup{ utils.IPCDisabledFlag, utils.IPCPathFlag, utils.RPCCORSDomainFlag, + utils.RPCVirtualHostsFlag, utils.JSpathFlag, utils.ExecFlag, utils.PreloadJSFlag, diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index 2a2909ff2..5fd5013f0 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -397,6 +397,11 @@ var ( Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)", Value: "", } + RPCVirtualHostsFlag = cli.StringFlag{ + Name: "rpcvhosts", + Usage: "Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.", + Value: "localhost", + } RPCApiFlag = cli.StringFlag{ Name: "rpcapi", Usage: "API's offered over the HTTP-RPC interface", @@ -690,6 +695,8 @@ func setHTTP(ctx *cli.Context, cfg *node.Config) { if ctx.GlobalIsSet(RPCApiFlag.Name) { cfg.HTTPModules = splitAndTrim(ctx.GlobalString(RPCApiFlag.Name)) } + + cfg.HTTPVirtualHosts = splitAndTrim(ctx.GlobalString(RPCVirtualHostsFlag.Name)) } // setWS creates the WebSocket RPC listener interface string from the set |