Add block for arbitrary username with password. If the user exists, change the existing password

adduserpass/adduserpass.json

@@ -0,0 +1,27 @@
+{
+	"name": "adduserpass",
+	"text": "Add %1 user\\n with password %2",
+	"script": "adduserpass.py",
+	"args": [
+		{
+			"type":"text",
+			"default":"newuser",
+			"maxLength":0
+		},
+		{
+			"type": "text",
+			"default": "newpass",
+			"maxLength":0
+		}
+	],
+	"network": false,
+	"continue": true,
+	"type": "setting",
+	"category":"setting",
+	"supportedOperatingSystems": [
+		"raspbian-pibakery.img",
+		"raspbian-lite-pibakery.img"
+	],
+	"shortDescription":"Add a user with password or change password",
+	"longDescription":"If the user doesn't exists, this will add a user(with home dir and group). If the user exists, change the password."
+}

adduserpass/adduserpass.py

@@ -0,0 +1,21 @@
+#!/usr/bin/python
+# Thanks to Filipe Pina on StackOverflow
+
+import subprocess,crypt,random, sys
+
+login = sys.argv[1]
+password = sys.argv[2]
+
+ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ./"
+salt = ''.join(random.choice(ALPHABET) for i in range(16))
+
+shadow_password = crypt.crypt(password,'$6$'+salt+'$')
+
+r = subprocess.call(('useradd', '-m', '-U', login))
+if r ==9:
+	print 'Username in use for '+login+', changing password'
+
+r = subprocess.call(('usermod', '-p', shadow_password, login))
+
+if r != 0:
+    print 'Error changing password for ' + login

info.json

@@ -16,6 +16,7 @@
     "otgremove",
     "bootbehaviour",
     "changepass",
+    "adduserpass",
     "sethostname",
     "newcronjob",
     "uartconsole",