superior extract.py created

extract

@@ -1,16 +0,0 @@
-#!/bin/sh
-for archive in "$@"; do
-    # count files in root dir
-    rootfiles=$(7z l -slt "${archive}" | grep -c 'Path = [^/]*$')
-
-    # add -o switch, if more than one file in root
-    # checks for >2, because path of the zip file itself is listed too
-    if [ $rootfiles -gt 2 ]; then
-        filename=${archive##*/}
-        rootname=${filename%.*}
-        opt="-o${rootname}"
-    fi
-
-    #unpack
-    7z x "${opt}" "${archive}"
-done

extract.py

@@ -0,0 +1,110 @@
+#!/bin/python
+import os
+import re
+import sys
+import getopt 
+import subprocess
+import re
+import logging
+from subprocess import check_output
+from subprocess import call
+
+def is_available(command):
+    status, result = subprocess.getstatusoutput(command)
+    if status < 127:
+        return True
+    return False
+
+def is_exe(fpath):
+    return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
+
+def run_command(command):
+    try:
+        return_value = call(command) 
+    except (RuntimeError, TypeError, NameError, OSError) as error:
+        print(error)
+        raise
+    return return_value
+
+def has_multiple_files(file):
+    file = re.escape(file)
+    check_7z_command = "7z l -slt " + file + " | grep -c 'Path = [^/]*$'"
+    check_tar_command = "tar --exclude=\"*/*\" -tf " + file + " | wc -l" # returns top level list of files
+
+    check_command = None
+
+    m = re.search("\.tar\.", file)
+    if m != None:
+        check_command = check_tar_command
+    else:
+        check_command = check_7z_command
+
+    return_command = check_output(check_command, shell=True)
+    if return_command is None:
+        print('Something went horribly wrong')
+        sys.exit(2)
+
+    number_of_files = int(return_command.decode("utf-8"))
+
+    if number_of_files > 1:
+        if check_command is check_7z_command and number_of_files > 2:
+            return True
+        else:
+            return False
+        return True
+    return False
+
+def main(argv):
+    extractTools = [
+            { "extension": "\.tar\.gz$", "command": "tar", "params": "-xf", "oparams": "-C" },
+            { "extension": "\.tar\.xz$", "command": "tar", "params": "-xf", "oparams": "-C" },
+            { "extension": "\.zip$", "command": "unzip", "params": "", "oparams": "-d" }
+            ]
+
+    if os.path.isfile(argv[0]) == False:
+        print("No such file")
+        sys.exit(2)
+
+    print("Processing file " + argv[0])
+
+    for tool in extractTools:
+        m = re.search(tool["extension"], argv[0])
+        if m != None:
+            if is_available(tool["command"]):
+                command = [tool["command"]]
+                
+                if tool["params"] is not "":
+                    command.append(tool["params"])
+
+                command.append(argv[0])
+
+                output_path = "."
+
+                if has_multiple_files(argv[0]):
+                    base = os.path.basename(argv[0])
+                    basefile = os.path.splitext(base)[0]
+
+                    output_path = os.path.dirname(os.path.abspath(argv[0]))
+                    output_path = os.path.join(output_path, basefile)
+                    print("Extracting to " + output_path)
+
+                    if not os.path.exists(output_path):
+                        os.makedirs(output_path)
+                    
+                    command.append(tool['oparams'])
+                    command.append(output_path)
+
+                try:
+
+                    val = run_command(command)
+                    if val > 0:
+                        sys.exit(2)
+                except:
+                    print('Something went horribly wrong')
+                    sys.exit(2)
+            else:
+                print("Command " + tool["command"] + " not found")
+                sys.exit(2)
+
+if __name__ == "__main__":
+    main(sys.argv[1:])

sandbox

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# Run without any access
+#% sudo groupadd sandbox 
+#% useradd -g sandbox sandbox
+#
+# Disable network
+# iptables -A OUTPUT -m owner --gid-owner sandbox -j DROP
+# Or
+# iptables -A OUTPUT -m owner --gid-owner sandbox -d 192.168.1.0/24 -j ACCEPT
+# iptables -A OUTPUT -m owner --gid-owner sandbox -d 127.0.0.0/8 -j ACCEPT
+# iptables -A OUTPUT -m owner --gid-owner sandbox -j DROP
+
+sg sandbox "$@"