Use login shells in terminals

probe/docker/controls.go

@@ -111,7 +111,7 @@ func (r *registry) execContainer(containerID string, req xfer.Request) xfer.Resp
 		AttachStdout: true,
 		AttachStderr: true,
 		Tty:          true,
-		Cmd:          []string{"/bin/sh", "-c", "TERM=xterm exec $( (type getent > /dev/null 2>&1  && getent passwd root | cut -d: -f7 2>/dev/null) || echo /bin/sh)"},
+		Cmd:          []string{"/bin/sh", "-l", "-c", "TERM=xterm exec $( (type getent > /dev/null 2>&1  && getent passwd root | cut -d: -f7 2>/dev/null) || echo /bin/sh)"},
 		Container:    containerID,
 	})
 	if err != nil {

probe/host/controls_darwin.go

@@ -1,5 +1,5 @@
 package host
 
 func getHostShellCmd() []string {
-	return []string{"/bin/bash"}
+	return []string{"/bin/bash", "-l"}
 }

probe/host/controls_linux.go

@@ -23,12 +23,12 @@ func getHostShellCmd() []string {
 			"/usr/bin/nsenter", "-t1", "-m", "-i", "-n", "-p", "--no-fork",
 			"--setuid", uid,
 			"--setgid", gid,
-			shell,
+			shell, "-l",
 		}
 	}
 
 	_, _, shell := getRootUserDetails([]string{"cat", "/etc/passwd"})
-	return []string{shell}
+	return []string{shell, "-l"}
 }
 
 func getRootUserDetails(readPasswdCmd []string) (uid, gid, shell string) {