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[ruby/ipaddr] Disallow leading zeros in mask

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https://github.com/ruby/ipaddr/commit/f49d2d49a4
This commit is contained in:
Jeremy Evans 2019-06-04 18:58:15 -07:00 • committed by Hiroshi SHIBATA
parent 38da84296c
commit abad5e10e8
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2 changed files with 6 additions and 1 deletions
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5
lib/ipaddr.rb
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@ -495,8 +495,11 @@ class IPAddr
def mask!(mask)
case mask
when String
if mask =~ /\A\d+\z/
case mask
when /\A(0|[1-9]+\d*)\z/
prefixlen = mask.to_i
when /\A\d+\z/
raise InvalidPrefixError, "leading zeros in prefix"
else
m = IPAddr.new(mask)
if m.family != @family

2
test/test_ipaddr.rb
View file

@ -92,6 +92,8 @@ class TC_IPAddr < Test::Unit::TestCase
assert_raise(IPAddr::InvalidAddressError) { IPAddr.new("[2001:200:300::]\nINVALID") }
assert_raise(IPAddr::InvalidAddressError) { IPAddr.new("192.168.0.1/32\nINVALID") }
assert_raise(IPAddr::InvalidAddressError) { IPAddr.new("192.168.0.1/32/20") }
assert_raise(IPAddr::InvalidPrefixError) { IPAddr.new("192.168.0.1/032") }
assert_raise(IPAddr::InvalidPrefixError) { IPAddr.new("::1/0128") }
assert_raise(IPAddr::InvalidPrefixError) { IPAddr.new("::1/255.255.255.0") }
assert_raise(IPAddr::InvalidPrefixError) { IPAddr.new("::1/129") }
assert_raise(IPAddr::InvalidPrefixError) { IPAddr.new("192.168.0.1/33") }