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-rw-r--r--rpc/ipc_unix.go18
1 files changed, 18 insertions, 0 deletions
diff --git a/rpc/ipc_unix.go b/rpc/ipc_unix.go
index 0851ea61e..707b47fd7 100644
--- a/rpc/ipc_unix.go
+++ b/rpc/ipc_unix.go
@@ -20,13 +20,31 @@ package rpc
import (
"context"
+ "fmt"
"net"
"os"
"path/filepath"
+
+ "github.com/ethereum/go-ethereum/log"
)
+/*
+#include <sys/un.h>
+
+int max_socket_path_size() {
+struct sockaddr_un s;
+return sizeof(s.sun_path);
+}
+*/
+import "C"
+
// ipcListen will create a Unix socket on the given endpoint.
func ipcListen(endpoint string) (net.Listener, error) {
+ if len(endpoint) > int(C.max_socket_path_size()) {
+ log.Warn(fmt.Sprintf("The ipc endpoint is longer than %d characters. ", C.max_socket_path_size()),
+ "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