build: add subcommands to kexttool

tools/kexttool/kext.py

@@ -1,12 +1,28 @@
 import yaml
 import io
 import os
+import glob
 
 class KextSource:
     __kext_info = {}
     __src_dir_path = ''
 
 
+    def scan(path):
+        result = []
+        scan_arg = os.path.join(path, '**/extension.yaml')
+
+        for filename in glob.iglob(scan_arg, recursive=True):
+            try:
+                kext_src = KextSource(filename)
+            except Exception as e:
+                continue
+
+            result.append(kext_src)
+            
+        return result
+    
+
     def __init__(self, info_file):
         self.__src_dir_path = os.path.relpath(os.path.dirname(info_file), os.getcwd())
         with io.open(info_file, 'r', encoding='utf-8') as info_fp:

tools/kexttool/scan.py

@@ -0,0 +1,32 @@
+import glob
+import os
+from kexttool import kext
+
+def list_all(pretty=False):
+    cwd = os.getcwd()
+    scan_arg = os.path.join(cwd, 'extensions', '**/extension.yaml')
+
+    nr_extensions = 0
+
+    # root_dir needs a trailing slash (i.e. /root/dir/)
+    for filename in glob.iglob(scan_arg, recursive=True):
+        try:
+            kext_src = kext.KextSource(filename)
+        except Exception as e:
+            print('E: cannot read kernel extension source manifest (reason: {})'.format(e))
+            continue
+
+        if pretty:
+            print('* {}'.format(kext_src.name()))
+            print('   Bundle ID: {}'.format(kext_src.id()))
+            print('   License:   {}'.format(kext_src.license()))
+            print('   Copyright: {}'.format(kext_src.copyright()))
+            print('   Location:  {}'.format(kext_src.src_dirpath()))
+            print('   Sources:')
+
+            for src in kext_src.sources():
+                print('      {}'.format(src))
+        else:
+            print('\033[1;96m* \033[0;1m{}\033[0m ({})'.format(kext_src.id(), kext_src.src_dirpath()))
+
+        nr_extensions = nr_extensions + 1

tools/kexttool/select.py

@@ -0,0 +1,19 @@
+import inquirer
+import os
+from kexttool import kext
+
+
+def select_kexts():
+    all_kexts = [ k.id() for k in kext.KextSource.scan(os.path.join(os.getcwd(), 'extensions')) ]
+    if len(all_kexts) == 0:
+        print('No kernel extensions available.')
+        return
+    
+    questions = [
+    inquirer.Checkbox('kexts',
+                    message="Select kexts to include in the kernel image",
+                      choices=all_kexts,
+                )
+        ]
+    answers = inquirer.prompt(questions)
+    print(answers["kexts"])

tools/socks.kexttool

@@ -3,30 +3,25 @@
 # -*- mode: python -*-
 
 import glob
+import inquirer
 import os
-from kexttool import kext
+import sys
+from kexttool import kext, scan, select
 
-cwd = os.getcwd()
-scan_arg = os.path.join(cwd, 'extensions', '**/extension.yaml')
 
-nr_extensions = 0
+if len(sys.argv) < 2:
+     print('usage: {} <command>'.format(sys.argv[0]))
+     exit(0)
 
-# root_dir needs a trailing slash (i.e. /root/dir/)
+cmd = sys.argv[1]
-for filename in glob.iglob(scan_arg, recursive=True):
-     try:
-          kext_src = kext.KextSource(filename)
-     except Exception as e:
-          print('E: cannot read kernel extension source manifest (reason: {})'.format(e))
-          continue
 
-     print('* {}'.format(kext_src.name()))
+commands = {
-     print('   Bundle ID: {}'.format(kext_src.id()))
+     'select': select.select_kexts,
-     print('   License:   {}'.format(kext_src.license()))
+     'list': scan.list_all
-     print('   Copyright: {}'.format(kext_src.copyright()))
+}
-     print('   Location:  {}'.format(kext_src.src_dirpath()))
-     print('   Sources:')
 
-     for src in kext_src.sources():
+if cmd not in commands:
-          print('      {}'.format(src))
+     print('E: unknown command \'{}\''.format(cmd))
+     exit(-1)
 
-     nr_extensions = nr_extensions + 1
+commands[cmd]()