More comfortable interface to brutefid

git-svn-id: svn+ssh://localhost/home/henryk/svn/cyberflex-shell/trunk@112 f711b948-2313-0410-aaa9-d29f33439f0b

brutefid.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: iso-8859-1 -*-
 
-import pycsc, utils, cards, TLV_utils, sys, binascii, time
+import pycsc, utils, cards, TLV_utils, sys, binascii, time, getopt
 
 STATUS_INTERVAL = 10
 
@@ -11,11 +11,84 @@ top_level = None
 start_time = time.time()
 loop = 0
 
-if __name__ == "__main__":
-    if len(sys.argv) > 1:
-        top_level = binascii.unhexlify("".join( sys.argv[1].split() ))
+OPTIONS = "r:l"
+LONG_OPTIONS = ["reader=", "list-readers"]
+exit_now = False
+reader = None
 
-    pycsc_card = pycsc.pycsc(protocol = pycsc.SCARD_PROTOCOL_ANY)
+def list_readers():
+    for index, name in enumerate(pycsc.listReader()):
+        print "%i: %s" % (index, name)
+
+def connect(reader = None):
+    "Open the connection to a card"
+    
+    if reader is None:
+        reader = 0
+    
+    if isinstance(reader, int) or reader.isdigit():
+        reader = int(reader)
+        readerName = pycsc.listReader()[reader]
+    else:
+        readerName = reader
+    
+    newState = pycsc.getStatusChange(ReaderStates=[
+            {'Reader': readerName, 'CurrentState':pycsc.SCARD_STATE_UNAWARE}
+        ]
+    )
+    
+    print "Using reader: %s" % readerName
+    print "Card present: %s" % ((newState[0]['EventState'] & pycsc.SCARD_STATE_PRESENT) and "yes" or "no")
+    
+    if not newState[0]['EventState'] & pycsc.SCARD_STATE_PRESENT:
+        print "Please insert card ..."
+        
+        last_was_mute = False
+        
+        while not newState[0]['EventState'] & pycsc.SCARD_STATE_PRESENT \
+            or newState[0]['EventState'] & pycsc.SCARD_STATE_MUTE:
+            
+            try:
+                newState = pycsc.getStatusChange(ReaderStates=[
+                        {'Reader': readerName, 'CurrentState':newState[0]['EventState']}
+                    ], Timeout = 100 
+                ) ## 100 ms latency from Ctrl-C to abort should be almost unnoticeable by the user
+            except pycsc.PycscException, e:
+                if e.args[0] == 'Command timeout.': pass ## ugly
+                else: raise
+            
+            if newState[0]['EventState'] & pycsc.SCARD_STATE_MUTE:
+                if not last_was_mute:
+                    print "Card is mute, please retry ..."
+                last_was_mute = True
+            else: 
+                last_was_mute = False
+            
+        print "Card present: %s" % ((newState[0]['EventState'] & pycsc.SCARD_STATE_PRESENT) and "yes" or "no")
+    
+    print "ATR:          %s" % utils.hexdump(newState[0]['Atr'], short = True)
+    return pycsc.pycsc(reader = readerName, protocol = pycsc.SCARD_PROTOCOL_ANY)
+
+
+if __name__ == "__main__":
+
+    (options, arguments) = getopt.gnu_getopt(sys.argv[1:], OPTIONS, LONG_OPTIONS)
+    
+    for (option, value) in options:
+        if option in ("-r","--reader"):
+            reader = value
+        if option in ("-l","--list-readers"):
+            list_readers()
+            exit_now = True
+
+    if exit_now:
+        sys.exit()
+    del exit_now
+
+    if len(arguments) > 0:
+        top_level = binascii.unhexlify("".join( ["".join(e.split()) for e in arguments] ))
+
+    pycsc_card = connect(reader)
     card = cards.new_card_object(pycsc_card)
     cards.generic_card.DEBUG = False
     

cyberflex-shell.e3p

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE Project SYSTEM "Project-3.7.dtd">
 <!-- Project file for project cyberflex-shell -->
-<!-- Saved: 2006-07-18, 13:42:27 -->
+<!-- Saved: 2006-07-24, 17:00:49 -->
 <!-- Copyright (C) 2006 Henryk Plötz, henryk@ploetzli.ch -->
 <Project version="3.7">
   <ProgLanguage mixed="0">Python</ProgLanguage>