1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
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
|
