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re.c: raise Regexp::TimeoutError instead of RuntimeError

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This commit is contained in:
Yusuke Endoh 2022-03-28 15:03:17 +09:00
parent 34b288f8d4
commit 2ade40276b
Notes: git 2022-03-30 16:51:09 +09:00 
Merged: https://github.com/ruby/ruby/pull/5703
2 changed files with 5 additions and 4 deletions
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5
re.c
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@ -27,7 +27,7 @@
#include "ruby/re.h"
#include "ruby/util.h"
VALUE rb_eRegexpError;
VALUE rb_eRegexpError, rb_eRegexpTimeoutError;
typedef char onig_errmsg_buffer[ONIG_MAX_ERROR_MESSAGE_LEN];
#define errcpy(err, msg) strlcpy((err), (msg), ONIG_MAX_ERROR_MESSAGE_LEN)
@ -4153,7 +4153,7 @@ rb_reg_check_timeout(regex_t *reg, void *end_time_)
else {
if (*end_time < rb_hrtime_now()) {
// timeout is exceeded
rb_raise(rb_eRuntimeError, "regexp match timeout");
rb_raise(rb_eRegexpTimeoutError, "regexp match timeout");
}
}
}
@ -4304,6 +4304,7 @@ Init_Regexp(void)
rb_define_method(rb_cRegexp, "named_captures", rb_reg_named_captures, 0);
rb_define_method(rb_cRegexp, "timeout", rb_reg_timeout_get, 0);
rb_eRegexpTimeoutError = rb_define_class_under(rb_cRegexp, "TimeoutError", rb_eRegexpError);
rb_define_singleton_method(rb_cRegexp, "timeout", rb_reg_s_timeout_get, 0);
rb_define_singleton_method(rb_cRegexp, "timeout=", rb_reg_s_timeout_set, 1);

4
test/ruby/test_regexp.rb
View File

@ -1465,7 +1465,7 @@ class TestRegexp < Test::Unit::TestCase
assert_equal(0.2, Regexp.timeout)
t = Time.now
assert_raise_with_message(RuntimeError, "regexp match timeout") do
assert_raise_with_message(Regexp::TimeoutError, "regexp match timeout") do
# A typical ReDoS case
/^(a*)*$/ =~ "a" * 1000000 + "x"
end
@ -1483,7 +1483,7 @@ class TestRegexp < Test::Unit::TestCase
re = Regexp.new("^a*b?a*$", timeout: 0.2)
t = Time.now
assert_raise_with_message(RuntimeError, "regexp match timeout") do
assert_raise_with_message(Regexp::TimeoutError, "regexp match timeout") do
re =~ "a" * 1000000 + "x"
end
t = Time.now - t