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Warn the user when the path name is too long for the ipc endpoint on linux #18330

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merged 2 commits into from
Jan 2, 2019
Merged

Warn the user when the path name is too long for the ipc endpoint on linux #18330

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ecb2ec9
added the log.warn for the ipc endpoint
MartinDawson Dec 18, 2018
e97307b
rpc: get max socket path length from OS headers
gballet Jan 2, 2019
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7 changes: 7 additions & 0 deletions rpc/ipc_unix.go
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Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,17 @@ import (
"net"
"os"
"path/filepath"

"github.com/ethereum/go-ethereum/log"
)

// ipcListen will create a Unix socket on the given endpoint.
func ipcListen(endpoint string) (net.Listener, error) {
if len(endpoint) > 107 {
log.Warn("The ipc endpoint is longer than 107 characters and is restricted to this size by linux. "+
"Shorten this path to less than 108 characters.", "endpoint", endpoint)
}

// Ensure the IPC path exists and remove any previous leftover
if err := os.MkdirAll(filepath.Dir(endpoint), 0751); err != nil {
return nil, err
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