Last change
on this file since 5651 was 5101, checked in by lodewijk, 19 years ago |
bekijk of er adressen gepropageerd worden door lvrouted die niet in genesis
staan
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File size:
1.1 KB
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Rev | Line | |
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[5101] | 1 | # gegeven een lvrouted.mytree, kijk of alle adressen daarin wel in genesis
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| 2 | # staan.
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| 3 |
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| 4 | # lodewijk@wirelessleiden.nl
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| 5 | import popen2
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| 6 | import re
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| 7 | import sys
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| 8 |
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| 9 | size = 30
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| 10 | if len(sys.argv) > 1:
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| 11 | size = int(sys.argv[1])
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| 12 | numaddrs = 1 << (32 - size)
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| 13 |
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| 14 | ipre = re.compile("^IP=(172\.16\.[0-9]+\.[0-9]+)/([0-9]+) *")
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| 15 |
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| 16 | def parseaddr(s):
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| 17 | f = s.split('.')
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| 18 | return (long(f[0]) << 24L) + \
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| 19 | (long(f[1]) << 16L) + \
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| 20 | (long(f[2]) << 8L) + \
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| 21 | long(f[3])
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| 22 |
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| 23 | def showaddr(a):
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| 24 | return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
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| 25 |
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| 26 | bezet = {}
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| 27 |
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| 28 | (cout, cin) = popen2.popen2("cat */wleiden.conf | grep ^IP | grep 172.16\...*\/[28\|29\|30]")
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| 29 | cin.close()
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| 30 | for l in cout.readlines():
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| 31 | l = l[:-1]
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| 32 | match = ipre.match(l)
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| 33 | if match == None:
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| 34 | print "'" + l + "'"
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| 35 | addr = parseaddr(match.group(1))
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| 36 | mask = int(match.group(2))
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| 37 | addr = addr & ~((1 << (32 - mask)) - 1)
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| 38 | upper = addr + (1 << (32 - mask))
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| 39 | while addr < upper:
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| 40 | bezet[addr] = 1
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| 41 | addr = addr + 1
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| 42 |
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| 43 | for line in open('lvrouted.mytree').readlines():
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| 44 | line = line.strip()
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| 45 | addr = parseaddr(line)
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| 46 | if addr > 0xac110000:
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| 47 | continue
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| 48 | if not bezet.has_key(addr):
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| 49 | print line
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