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Fix for wrong fnmatch patttern

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* dir.c (file_s_fnmatch): ensure that pattern does not contain a
  NUL character.  https://hackerone.com/reports/449617
This commit is contained in:
Nobuyoshi Nakada 2018-12-12 14:38:09 +09:00 • committed by Yusuke Endoh
parent a38fe1fbf0
commit a0a2640b39
2 changed files with 7 additions and 1 deletions
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2
dir.c
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@ -3211,7 +3211,7 @@ file_s_fnmatch(int argc, VALUE *argv, VALUE obj)
else
flags = 0;
StringValue(pattern);
StringValueCStr(pattern);
FilePathStringValue(path);
if (flags & FNM_EXTGLOB) {

6
test/ruby/test_fnmatch.rb
View file

@ -160,4 +160,10 @@ class TestFnmatch < Test::Unit::TestCase
assert_file.fnmatch("[a-\u3042]*", "\u3042")
assert_file.not_fnmatch("[a-\u3042]*", "\u3043")
end
def test_nullchar
assert_raise(ArgumentError) {
File.fnmatch("a\0z", "a")
}
end
end