From 6d1beb07c186ebdd14dea5ce8a133543527c8978 Mon Sep 17 00:00:00 2001
From: Philippe Teuwen <phil@teuwen.org>
Date: Mon, 18 May 2020 01:16:29 +0200
Subject: [PATCH] pm3: attempt to detect BT dongle when udevadm is not
 available

---
 pm3 | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/pm3 b/pm3
index 7d2c5e5f7..31ed0695b 100755
--- a/pm3
+++ b/pm3
@@ -54,10 +54,19 @@ function get_pm3_list_Linux {
     if $FINDBTDONGLE; then
         # check if the HC-06-USB white dongle is present (still, that doesn't tell us if it's paired with a Proxmark3...)
         for DEV in $(find /dev/ttyUSB* 2>/dev/null); do
-            if udevadm info -q property -n "$DEV" | grep -q "ID_MODEL=CP2104_USB_to_UART_Bridge_Controller"; then
-                PM3LIST+=("$DEV")
-                if [ ${#PM3LIST[*]} -ge "$N" ]; then
-                    return
+            if which udevadm >/dev/null; then
+                if udevadm info -q property -n "$DEV" | grep -q "ID_MODEL=CP2104_USB_to_UART_Bridge_Controller"; then
+                    PM3LIST+=("$DEV")
+                    if [ ${#PM3LIST[*]} -ge "$N" ]; then
+                        return
+                    fi
+                fi
+            else
+                if grep -q "DRIVER=cp210x" "/sys/class/tty/${DEV#/dev/}/../../uevent" 2>/dev/null; then
+                    PM3LIST+=("$DEV")
+                    if [ ${#PM3LIST[*]} -ge "$N" ]; then
+                        return
+                    fi
                 fi
             fi
         done