1 files changed, 136 insertions, 0 deletions
diff --git a/bin/cryptech_runcmd b/bin/cryptech_runcmd
new file mode 100755
index 0000000..6407043
--- /dev/null
+++ b/bin/cryptech_runcmd
@@ -0,0 +1,136 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2016, NORDUnet A/S All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# - Redistributions of source code must retain the above copyright notice,
+#   this list of conditions and the following disclaimer.
+#
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+#
+# - Neither the name of the NORDUnet nor the names of its contributors may
+#   be used to endorse or promote products derived from this software
+#   without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+"""
+Utility to upload new a firmware image or FPGA bitstream
+"""
+import os
+import sys
+import time
+import struct
+import serial
+import argparse
+import getpass
+
+from binascii import crc32
+
+FIRMWARE_CHUNK_SIZE = 4096
+FPGA_CHUNK_SIZE = 4096
+
+default_pins = {'wheel': 'YouReallyNeedToChangeThisPINRightNowWeAreNotKidding',
+                'ct': 'ct',
+                }
+
+def parse_args():
+    """
+    Parse the command line arguments
+    """
+    parser = argparse.ArgumentParser(description = "File uploader",
+                                     add_help = True,
+                                     formatter_class = argparse.ArgumentDefaultsHelpFormatter,
+                                     )
+
+    parser.add_argument('-d', '--device',
+                        dest='device',
+                        default='/dev/ttyUSB0',
+                        help='Name of management port USB serial device',
+                        )
+
+    parser.add_argument("--username",
+                        choices = ("so", "wheel", "ct"),
+                        default = "so",
+                        help = "Username to use when logging into the HSM",
+                        )
+
+    parser.add_argument('commands', metavar='CMD', type=str, nargs='+',
+                        help='commands to execute')
+    return parser.parse_args()
+
+
+def _write(dst, data, debug=False):
+    dst.write(data)
+    if not debug:
+        return
+    if len(data) == 4:
+        print("Wrote 0x{!s}".format(data.encode('hex')))
+    else:
+        print("Wrote {!r}".format(data))
+
+
+def _read(dst, verbose=True):
+    res = ''
+    x = dst.read(1)
+    while not x:
+        x = dst.read(1)
+    while x:
+        res += x
+        x = dst.read(1)
+    #print ("Read {!r}".format(res))
+    if verbose:
+        sys.stdout.write(res)
+    return res
+
+def _execute(dst, cmd):
+    global default_pins
+    _write(dst, '\r')
+    prompt = _read(dst)
+    if prompt.endswith('Username: '):
+        _write(dst, args.username + "\r")
+        prompt = _read(dst)
+        if prompt.endswith('Password: '):
+            pin = default_pins.get(args.username)
+            if not pin:
+                pin = getpass.getpass("{} PIN: ".format(args.username))
+            _write(dst, pin + '\r')
+            prompt = _read(dst)
+    if not prompt.endswith('> '):
+        #sys.stderr.write('Device does not seem to be ready for a file transfer (got {!r})\n'.format(prompt))
+        return prompt
+    _write(dst, cmd + '\r')
+    response = _read(dst)
+    return response
+
+
+def main(args):
+    global pin
+    dst = serial.Serial(args.device, 921600, timeout=2)
+    for this in args.commands:
+        _execute(dst, this)
+    dst.close()
+    return True
+
+if __name__ == '__main__':
+    try:
+        args = parse_args()
+        if main(args):
+            sys.exit(0)
+        sys.exit(1)
+    except KeyboardInterrupt:
+        pass
+