From 248094d89dc5d9edb06b67c7d55693d1257bddd2 Mon Sep 17 00:00:00 2001
From: Oleksii Shevchuk <ol.shevchuk@samsung.com>
Date: Mon, 6 Mar 2017 14:48:56 +0200
Subject: [PATCH] Ensure pupy doesn't execute any shit from the system

---
 client/gen_python_bootloader.py   |  2 +-
 client/library_patches/uuid.py    | 22 ++++++++++++++++++++--
 pupy/packages/all/pupyimporter.py |  6 ++++++
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/client/gen_python_bootloader.py b/client/gen_python_bootloader.py
index e40021f4..4b50dad4 100644
--- a/client/gen_python_bootloader.py
+++ b/client/gen_python_bootloader.py
@@ -61,7 +61,7 @@ if __name__=="__main__":
 
     bootloader = [
         remove_stdout if not args.debug else 'print "DEBUG"\n',
-        'import sys; sys.path=[]; ' + (
+        'import sys; sys.path=[]; sys.path_hooks=[]; sys.meta_path=[];' + (
             'sys.argv = [];' if not args.pass_argv else ''
         ) + 'sys.prefix = ""; \n',
         pupyload.format('pupyimporter', repr(pupyimporter)),
diff --git a/client/library_patches/uuid.py b/client/library_patches/uuid.py
index 23f31f5d..378140d9 100644
--- a/client/library_patches/uuid.py
+++ b/client/library_patches/uuid.py
@@ -334,6 +334,24 @@ def _find_mac(command, args, hw_identifiers, get_index):
     except IOError:
         pass
 
+def _sysfs_getnode():
+    """Get the hardware address on Unix by running ifconfig."""
+    import os
+    try:
+        ifaces = sorted([
+            (
+                int(open('/sys/class/net/{}/ifindex'.format(x)).read()),
+                open('/sys/class/net/{}/address'.format(x)).read().strip()
+            ) for x in os.listdir(
+                '/sys/class/net'
+            ) if int(open('/sys/class/net/{}/type'.format(x)).read()) == 1 ])[:1]
+
+        if ifaces:
+            return int(ifaces[0][1].replace(':', ''), 16)
+
+    except:
+        pass
+
 def _ifconfig_getnode():
     """Get the hardware address on Unix by running ifconfig."""
     # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.
@@ -558,8 +576,8 @@ def getnode():
     if sys.platform == 'win32':
         getters = [_windll_getnode, _netbios_getnode, _ipconfig_getnode]
     else:
-        getters = [_unixdll_getnode, _ifconfig_getnode, _arp_getnode,
-                   _lanscan_getnode, _netstat_getnode]
+        getters = [_unixdll_getnode, _sysfs_getnode, _ifconfig_getnode,
+                       _arp_getnode, _lanscan_getnode, _netstat_getnode]
 
     for getter in getters + [_random_getnode]:
         try:
diff --git a/pupy/packages/all/pupyimporter.py b/pupy/packages/all/pupyimporter.py
index 90ec8916..d0bfdbf2 100644
--- a/pupy/packages/all/pupyimporter.py
+++ b/pupy/packages/all/pupyimporter.py
@@ -367,6 +367,12 @@ def install(debug=False):
         sys.path.append('pupy://')
         sys.path_importer_cache.clear()
 
+        import platform
+        platform._syscmd_uname = lambda *args, **kwargs: ''
+        platform.architecture = lambda *args, **kwargs: (
+            '32bit' if pupy.get_arch() is 'x86' else '64bit', ''
+        )
+
     if 'win' in sys.platform:
         import pywintypes
     if __debug: