| 1 | #!/usr/bin/python |
| 2 | |
| 3 | import sys, hmac, hashlib, getopt |
| 4 | |
| 5 | def usage(out): |
| 6 | out.write("usage: vhtpasswd [-h] FILE\n") |
| 7 | |
| 8 | opts, args = getopt.getopt(sys.argv[1:], "h") |
| 9 | for o, a in opts: |
| 10 | if o == "-h": |
| 11 | usage(sys.stdout) |
| 12 | sys.exit(0) |
| 13 | if len(args) < 1: |
| 14 | usage(sys.stderr) |
| 15 | sys.exit(1) |
| 16 | |
| 17 | def hashpw(usr, pw): |
| 18 | dig = hmac.new(pw, digestmod=hashlib.sha1) |
| 19 | dig.update(usr) |
| 20 | return dig.hexdigest() |
| 21 | |
| 22 | def findpw(fn, name): |
| 23 | with open(fn) as fp: |
| 24 | for line in fp: |
| 25 | usr, pw = line.strip().split(':') |
| 26 | if usr == name: |
| 27 | return pw |
| 28 | return None |
| 29 | |
| 30 | usr = sys.stdin.readline().strip() |
| 31 | gpw = sys.stdin.readline().strip() |
| 32 | if findpw(args[0], usr) == hashpw(usr, gpw): |
| 33 | sys.exit(0) |
| 34 | sys.exit(1) |