Added checksec command

(cherry picked from commit 2eeeb0d8b8)

pwndbg/__init__.py

@@ -61,8 +61,8 @@ import pwndbg.commands.xor
 import pwndbg.commands.peda
 import pwndbg.commands.gdbinit
 import pwndbg.commands.defcon
-import pwndbg.commands.elf
-
+import pwndbg.commands.elfheader
+import pwndbg.commands.checksec
 
 
 __all__ = [

pwndbg/commands/checksec.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import gdb
+import pwndbg.commands
+
+import subprocess
+
+@pwndbg.commands.Command
+def checksec():
+    '''
+    Prints out the binary security settings. Attempts to call the binjitsu
+    checksec first, and then falls back to checksec.sh.
+    '''
+    #local_path = pwndbg.file.get_file(pwndbg.proc.exe)
+    local_path = pwndbg.proc.exe
+    try:
+        subprocess.call(['checksec', local_path])
+    except:
+        try:
+            subprocess.call(['checksec.sh', '--file', local_path])
+        except:
+            print(pwndbg.color.red(
+                'An error occurred when calling checksec. ' \
+                'Make sure the checksec binary is in your PATH.'
+            ))