fix: harden the per-user IPC endpoint

bench/main.c

@@ -4,8 +4,6 @@
 #include <string.h>
 #include <unistd.h>
 #include <time.h>
-#include <sys/socket.h>
-#include <sys/un.h>
 #include "../ipc.h"
 
 typedef struct Key Key;
@@ -81,15 +79,8 @@ loadkeys(char *file)
 static void
 dial(void)
 {
-	struct sockaddr_un addr;
-
-	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	fd = ipcconnect();
 	if(fd < 0)
-		die("socket");
-	memset(&addr, 0, sizeof(addr));
-	addr.sun_family = AF_UNIX;
-	snprintf(addr.sun_path, sizeof(addr.sun_path), IPCPATH, getuid());
-	if(connect(fd, (struct sockaddr*)&addr, sizeof(addr)) < 0)
 		die("connect");
 }