56 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2015 The go-ethereum Authors
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| // This file is part of the go-ethereum library.
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| //
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| // The go-ethereum library is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Lesser General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // The go-ethereum library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| // GNU Lesser General Public License for more details.
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| //
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| // You should have received a copy of the GNU Lesser General Public License
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| // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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| 
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| //go:build darwin || dragonfly || freebsd || linux || nacl || netbsd || openbsd || solaris
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| // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
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| 
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| package rpc
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| 
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| import (
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| 	"context"
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| 	"fmt"
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| 	"net"
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| 	"os"
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| 	"path/filepath"
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| 
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| 	"github.com/ethereum/go-ethereum/log"
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| )
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| 
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| // ipcListen will create a Unix socket on the given endpoint.
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| func ipcListen(endpoint string) (net.Listener, error) {
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| 	if len(endpoint) > int(max_path_size) {
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| 		log.Warn(fmt.Sprintf("The ipc endpoint is longer than %d characters. ", max_path_size),
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| 			"endpoint", endpoint)
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| 	}
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| 
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| 	// Ensure the IPC path exists and remove any previous leftover
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| 	if err := os.MkdirAll(filepath.Dir(endpoint), 0751); err != nil {
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| 		return nil, err
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| 	}
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| 	os.Remove(endpoint)
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| 	l, err := net.Listen("unix", endpoint)
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| 	if err != nil {
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| 		return nil, err
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| 	}
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| 	os.Chmod(endpoint, 0600)
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| 	return l, nil
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| }
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| 
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| // newIPCConnection will connect to a Unix socket on the given endpoint.
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| func newIPCConnection(ctx context.Context, endpoint string) (net.Conn, error) {
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| 	return new(net.Dialer).DialContext(ctx, "unix", endpoint)
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| }
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