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Fix node crashing due to endless loop #37757 #37990

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nils91 wants to merge 14 commits into from
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Fix node crashing due to endless loop #37757 #37990

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0a3aa58
test: ensure node doesnt crash with some selfsigned certificates
nils91 Mar 30, 2021
00aca61
test: add empty line for readability
nils91 Mar 30, 2021
d4dd0b4
test: let server choose a port to use
nils91 Mar 31, 2021
832811d
test: move https selfsigned to parallel
nils91 Mar 31, 2021
5dca179
test: wrap callbacks in common.must[Not]Call
nils91 Mar 31, 2021
e3bd5f5
crypto: exit potentially infinite loop in GetLastIssuedCert if stuck
nils91 Mar 30, 2021
0734ad0
crypto: more compact solution to detect endless loop
nils91 Mar 31, 2021
374335d
Revert "crypto: more compact solution to detect endless loop"
nils91 Apr 1, 2021
fe0fcbb
crypto: put the condition at the very end of the loop
nils91 Apr 1, 2021
b59150b
test: skip for OpenSSL<=1.1.1h
nils91 Apr 3, 2021
b5b0c91
test: remove unnecessary body from .mustNotCall
nils91 Apr 3, 2021
bb5bfde
test: fix typo, '<' instead of '<='
nils91 Apr 4, 2021
080ac2e
test: improve test readability
nils91 Apr 4, 2021
a44ed4b
test: skip test when openssl_is_fips
nils91 Apr 14, 2021
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crypto: more compact solution to detect endless loop
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@nils91
nils91 committed Apr 23, 2021
commit 0734ad09df8ad9390fee3839a7cffc235ac4e768
13 changes: 5 additions & 8 deletions src/crypto/crypto_common.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -480,17 +480,14 @@ MaybeLocal<Object> GetLastIssuedCert(
return MaybeLocal<Object>();
issuer_chain = ca_info;

// Take the value of cert->get() before and after the call to cert->reset()
// in order to compare them and provide a way to exit this loop
// in case it gets stuck
X509* value_before_reset = cert->get();
// Take the value of cert->get(), compare it with the value of ca
// and provide a way to exit this loop
// in case it gets stuck.
if (cert->get() == ca)
break;

// Delete previous cert and continue aggregating issuers.
cert->reset(ca);

X509* value_after_reset = cert->get();
if (value_before_reset == value_after_reset)
break;
}
return MaybeLocal<Object>(issuer_chain);
}
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