check for zero-length device ID

diff --git a/src/libimcv/plugins/imc_os/imc_os.c b/src/libimcv/plugins/imc_os/imc_os.c
index 98eac2480bddd6e17f699352d886d5b545fa6d85..2558be9f84e6adcf4a7c101342d5ea0ce6c2e523 100644 (file)
--- a/src/libimcv/plugins/imc_os/imc_os.c
+++ b/src/libimcv/plugins/imc_os/imc_os.c
@@ -245,6 +245,12 @@ static void add_device_id(imc_msg_t *msg)
                                  "android_id" : "/var/lib/dbus/machine-id";
        value = os->get_setting(os, name);
 
+       if (value.len == 0)
+       {
+               DBG1(DBG_IMC, "no device ID available");
+               return;
+       }
+
        /* trim trailing newline character */
        if (value.ptr[value.len - 1] == '\n')
        {