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08099ff669
Front load the protocol type check so we do not wind up creating listeners of types that are not usable for this interface (for example, UDP). Fixes #8647.
53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
package privval
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import (
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"errors"
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"fmt"
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"net"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/libs/log"
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tmnet "github.com/tendermint/tendermint/libs/net"
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)
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// IsConnTimeout returns a boolean indicating whether the error is known to
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// report that a connection timeout occurred. This detects both fundamental
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// network timeouts, as well as ErrConnTimeout errors.
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func IsConnTimeout(err error) bool {
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_, ok := errors.Unwrap(err).(timeoutError)
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switch {
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case errors.As(err, &EndpointTimeoutError{}):
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return true
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case ok:
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return true
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default:
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return false
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}
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}
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// NewSignerListener creates a new SignerListenerEndpoint using the corresponding listen address
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func NewSignerListener(listenAddr string, logger log.Logger) (*SignerListenerEndpoint, error) {
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protocol, address := tmnet.ProtocolAndAddress(listenAddr)
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if protocol != "unix" && protocol != "tcp" { //nolint:goconst
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return nil, fmt.Errorf("unsupported address family %q, want unix or tcp", protocol)
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}
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ln, err := net.Listen(protocol, address)
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if err != nil {
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return nil, err
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}
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var listener net.Listener
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switch protocol {
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case "unix":
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listener = NewUnixListener(ln)
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case "tcp":
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// TODO: persist this key so external signer can actually authenticate us
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listener = NewTCPListener(ln, ed25519.GenPrivKey())
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default:
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panic("invalid protocol: " + protocol) // semantically unreachable
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}
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return NewSignerListenerEndpoint(logger.With("module", "privval"), listener), nil
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}
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