attempting to add better debug logs for root_child

This commit adds more debug output to tell us what user & group is currently executing BusKill and what are the permissions & owners on the root_child process.

This can help resolve issues related to the permissions restrictions in-place when launching our root_child process as root, such as happened in bug #77:

 * #77

src/main.py

@@ -6,8 +6,8 @@
   File:    main.py
   Authors: Michael Altfield <[email protected]>
   Created: 2020-06-23
-  Updated: 2023-06-14
-  Version: 0.2
+  Updated: 2024-02-25
+  Version: 0.3
 
 This is the main wrapper script for launching the BusKill app.
 
@@ -19,7 +19,7 @@
 
 # this is needed for supporting Windows 10 with OpenGL < v2.0
 # Example: VirtualBox w/ OpenGL v1.1
-import platform, os
+import platform, os, grp
 CURRENT_PLATFORM = platform.system().upper()
 if CURRENT_PLATFORM.startswith( 'WIN' ):
     os.environ['KIVY_GL_BACKEND'] = 'angle_sdl2'
@@ -66,6 +66,10 @@
 
 	logging.debug( 'BUSKILL_VERSION|' +str(BUSKILL_VERSION)+ '|' )
 	logging.debug( 'os.environ|' +str(os.environ)+ '|' )
+	logging.debug( 'user|' +str(os.getlogin())+ '|' )
+	logging.debug( 'uid|' +str(os.getuid())+ '|' )
+	logging.debug( 'group|' +str(grp.getgrgid( os.getgid() ))+ '|' )
+	logging.debug( 'gid|' +str(os.getgid())+ '|' )
 	logging.debug( 'sys.argv|' +str(sys.argv)+ '|' )
 	logging.debug( 'sys.builtin_modules_names|' +str(sys.builtin_module_names)+ '|' )
 	logging.debug( 'sys.executable|' +str(sys.executable)+ '|' )

src/packages/buskill/__init__.py

@@ -6,8 +6,8 @@
   Authors: Michael Altfield <[email protected]>
   Co-Auth: Steven Johnson <[email protected]>
   Created: 2020-06-23
-  Updated: 2023-06-16
-  Version: 0.5
+  Updated: 2024-02-25
+  Version: 0.6
 
 This is the heart of the buskill app, shared by both the cli and gui
 
@@ -19,7 +19,7 @@
 ################################################################################
 
 import platform, multiprocessing, traceback, subprocess
-import urllib.request, re, json, certifi, sys, os, math, shutil, tempfile, random, gnupg, configparser
+import urllib.request, re, json, certifi, sys, os, grp, pwd, math, shutil, tempfile, random, gnupg, configparser
 import os.path
 from buskill_version import BUSKILL_VERSION
 from distutils.version import LooseVersion
@@ -662,6 +662,21 @@ def spawn_root_child(self):
 				owner = os.stat(root_child_path).st_uid
 				group = os.stat(root_child_path).st_gid
 
+				msg = "DEBUG: root_child mode:|" +str(mode)+ "|"
+				print( msg ); logger.debug( msg )
+
+				msg = "DEBUG: root_child uid owner:|" +str(owner)+ "|"
+				print( msg ); logger.debug( msg )
+
+				msg = "DEBUG: root_child user owner name:|" +str(pwd.getpwuid(owner))+ "|"
+				print( msg ); logger.debug( msg )
+
+				msg = "DEBUG: root_child gid owner:|" +str(group)+ "|"
+				print( msg ); logger.debug( msg )
+
+				msg = "DEBUG: root_child group owner name:|" +str(grp.getgrgid(group))+ "|"
+				print( msg ); logger.debug( msg )
+
 				# verify the mode of the file is exactly 0500 (octal)
 				if mode != '0500':
 					msg = 'ERROR: Permissions on root_child are not 0500. Refusing to spawn script as root!'