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kh2reg.py: remove accidental hard tabs.
This commit is contained in:
Jacob Nevins
parent
7332d0567e
commit
a5588cd635
@ -50,7 +50,7 @@ def longtohex(n):
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def warn(s):
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"Warning with file/line number"
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sys.stderr.write("%s:%d: %s\n"
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% (fileinput.filename(), fileinput.filelineno(), s))
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% (fileinput.filename(), fileinput.filelineno(), s))
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output_type = 'windows'
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@ -78,7 +78,7 @@ class UnknownKeyType(Exception):
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class KeyFormatError(Exception):
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def __init__(self, msg):
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self.msg = msg
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self.msg = msg
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# Now process all known_hosts input.
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for line in fileinput.input(args):
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@ -128,54 +128,54 @@ for line in fileinput.input(args):
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blob = blob [struct.calcsize(sizefmt) + size : ]
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# The first field is keytype again.
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if subfields[0] != sshkeytype:
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raise KeyFormatError("""
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outer and embedded key types do not match: '%s', '%s'
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""" % (sshkeytype, subfields[1]))
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if subfields[0] != sshkeytype:
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raise KeyFormatError("""
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outer and embedded key types do not match: '%s', '%s'
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""" % (sshkeytype, subfields[1]))
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# Translate key type string into something PuTTY can use, and
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# munge the rest of the data.
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if sshkeytype == "ssh-rsa":
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keytype = "rsa2"
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# The rest of the subfields we can treat as an opaque list
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# of bignums (same numbers and order as stored by PuTTY).
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keyparams = map (strtolong, subfields[1:])
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# munge the rest of the data.
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if sshkeytype == "ssh-rsa":
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keytype = "rsa2"
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# The rest of the subfields we can treat as an opaque list
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# of bignums (same numbers and order as stored by PuTTY).
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keyparams = map (strtolong, subfields[1:])
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elif sshkeytype == "ssh-dss":
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keytype = "dss"
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# Same again.
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keyparams = map (strtolong, subfields[1:])
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elif sshkeytype == "ssh-dss":
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keytype = "dss"
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# Same again.
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keyparams = map (strtolong, subfields[1:])
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elif sshkeytype == "ecdsa-sha2-nistp256" \
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or sshkeytype == "ecdsa-sha2-nistp384" \
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or sshkeytype == "ecdsa-sha2-nistp521":
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keytype = sshkeytype
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# Have to parse this a bit.
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if len(subfields) > 3:
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raise KeyFormatError("too many subfields in blob")
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(curvename, Q) = subfields[1:]
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# First is yet another copy of the key name.
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if not re.match("ecdsa-sha2-" + re.escape(curvename),
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sshkeytype):
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raise KeyFormatError("key type mismatch ('%s' vs '%s')"
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% (sshkeytype, curvename))
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# Second contains key material X and Y (hopefully).
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# First a magic octet indicating point compression.
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if struct.unpack("B", Q[0])[0] != 4:
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# No-one seems to use this.
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raise KeyFormatError("can't convert point-compressed ECDSA")
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# Then two equal-length bignums (X and Y).
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bnlen = len(Q)-1
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if (bnlen % 1) != 0:
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raise KeyFormatError("odd-length X+Y")
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bnlen = bnlen / 2
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(x,y) = Q[1:bnlen+1], Q[bnlen+1:2*bnlen+1]
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keyparams = [curvename] + map (strtolong, [x,y])
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elif sshkeytype == "ecdsa-sha2-nistp256" \
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or sshkeytype == "ecdsa-sha2-nistp384" \
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or sshkeytype == "ecdsa-sha2-nistp521":
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keytype = sshkeytype
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# Have to parse this a bit.
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if len(subfields) > 3:
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raise KeyFormatError("too many subfields in blob")
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(curvename, Q) = subfields[1:]
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# First is yet another copy of the key name.
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if not re.match("ecdsa-sha2-" + re.escape(curvename),
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sshkeytype):
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raise KeyFormatError("key type mismatch ('%s' vs '%s')"
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% (sshkeytype, curvename))
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# Second contains key material X and Y (hopefully).
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# First a magic octet indicating point compression.
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if struct.unpack("B", Q[0])[0] != 4:
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# No-one seems to use this.
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raise KeyFormatError("can't convert point-compressed ECDSA")
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# Then two equal-length bignums (X and Y).
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bnlen = len(Q)-1
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if (bnlen % 1) != 0:
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raise KeyFormatError("odd-length X+Y")
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bnlen = bnlen / 2
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(x,y) = Q[1:bnlen+1], Q[bnlen+1:2*bnlen+1]
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keyparams = [curvename] + map (strtolong, [x,y])
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elif sshkeytype == "ssh-ed25519":
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# FIXME: these are always stored point-compressed, which
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# requires actual maths
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raise KeyFormatError("can't convert ssh-ed25519 yet, sorry")
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elif sshkeytype == "ssh-ed25519":
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# FIXME: these are always stored point-compressed, which
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# requires actual maths
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raise KeyFormatError("can't convert ssh-ed25519 yet, sorry")
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else:
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raise UnknownKeyType(sshkeytype)
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@ -183,10 +183,10 @@ for line in fileinput.input(args):
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# Now print out one line per host pattern, discarding wildcards.
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for host in string.split (hostpat, ','):
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if re.search (r"[*?!]", host):
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warn("skipping wildcard host pattern '%s'" % host)
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warn("skipping wildcard host pattern '%s'" % host)
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continue
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elif re.match (r"\|", host):
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warn("skipping hashed hostname '%s'" % host)
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warn("skipping hashed hostname '%s'" % host)
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continue
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else:
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m = re.match (r"\[([^]]*)\]:(\d*)$", host)
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@ -198,11 +198,11 @@ for line in fileinput.input(args):
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# Slightly bizarre output key format: 'type@port:hostname'
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# XXX: does PuTTY do anything useful with literal IP[v4]s?
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key = keytype + ("@%d:%s" % (port, host))
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# Most of these are numbers, but there's the occasional
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# string that needs passing through
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# Most of these are numbers, but there's the occasional
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# string that needs passing through
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value = string.join (map (
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lambda x: x if isinstance(x, basestring) else longtohex(x),
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keyparams), ',')
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lambda x: x if isinstance(x, basestring) else longtohex(x),
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keyparams), ',')
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if output_type == 'unix':
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# Unix format.
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sys.stdout.write('%s %s\n' % (key, value))
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@ -213,8 +213,8 @@ for line in fileinput.input(args):
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% (winmungestr(key), value))
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except UnknownKeyType, k:
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warn("unknown SSH key type '%s', skipping" % k.keytype)
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warn("unknown SSH key type '%s', skipping" % k.keytype)
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except KeyFormatError, k:
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warn("trouble parsing key (%s), skipping" % k.msg)
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warn("trouble parsing key (%s), skipping" % k.msg)
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except BlankInputLine:
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pass
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