diff options
Diffstat (limited to 'src/x509.erl')
| -rw-r--r-- | src/x509.erl | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/src/x509.erl b/src/x509.erl index 5abd853..43b90b3 100644 --- a/src/x509.erl +++ b/src/x509.erl @@ -2,7 +2,7 @@ %%% See LICENSE for licensing information. -module(x509). --export([valid_chain_p/2, cert_string/1, read_pemfiles_from_dir/1, +-export([normalise_chain/2, cert_string/1, read_pemfiles_from_dir/1, self_signed/1, detox/2]). -include_lib("public_key/include/public_key.hrl"). -include_lib("eunit/include/eunit.hrl"). @@ -15,10 +15,10 @@ -define(MAX_CHAIN_LENGTH, 10). --spec valid_chain_p([binary()], [binary()]) -> {ok, [binary()]} | - {error, reason()}. -valid_chain_p(AcceptableRootCerts, CertChain) -> - case valid_chain_p(AcceptableRootCerts, CertChain, ?MAX_CHAIN_LENGTH) of +-spec normalise_chain([binary()], [binary()]) -> {ok, [binary()]} | + {error, reason()}. +normalise_chain(AcceptableRootCerts, CertChain) -> + case normalise_chain(AcceptableRootCerts, CertChain, ?MAX_CHAIN_LENGTH) of {false, Reason} -> {error, Reason}; {true, Root} -> @@ -71,12 +71,12 @@ detox(LeafDer, ChainDer) -> %% amongst the acceptable root certs. Otherwise it contains exactly %% one element, a CA cert from the acceptable root certs signing the %% root of the chain. --spec valid_chain_p([binary()], [binary()], integer()) -> - {false, reason()} | {true, list()}. -valid_chain_p(_, _, MaxChainLength) when MaxChainLength =< 0 -> +-spec normalise_chain([binary()], [binary()], integer()) -> + {false, reason()} | {true, list()}. +normalise_chain(_, _, MaxChainLength) when MaxChainLength =< 0 -> %% Chain too long. {false, chain_too_long}; -valid_chain_p(AcceptableRootCerts, [TopCert], MaxChainLength) -> +normalise_chain(AcceptableRootCerts, [TopCert], MaxChainLength) -> %% Check root of chain. case lists:member(TopCert, AcceptableRootCerts) of true -> @@ -92,9 +92,9 @@ valid_chain_p(AcceptableRootCerts, [TopCert], MaxChainLength) -> Root -> {true, [Root]} end end; -valid_chain_p(AcceptableRootCerts, [BottomCert|Rest], MaxChainLength) -> +normalise_chain(AcceptableRootCerts, [BottomCert|Rest], MaxChainLength) -> case signed_by_p(BottomCert, hd(Rest)) of - true -> valid_chain_p(AcceptableRootCerts, Rest, MaxChainLength - 1); + true -> normalise_chain(AcceptableRootCerts, Rest, MaxChainLength - 1); false -> {false, signature_mismatch} end. @@ -414,21 +414,21 @@ valid_cert_test_() -> %% 'OTP-PUB-KEY':Func('OTP-X520countryname', Value0) %% FIXME: This error doesn't make much sense -- is my %% environment borked? - ?_assertMatch({true, _}, valid_chain_p(lists:nth(1, Chains), - lists:nth(1, Chains), 10)), + ?_assertMatch({true, _}, normalise_chain(lists:nth(1, Chains), + lists:nth(1, Chains), 10)), %% Self-signed so fail. ?_assertMatch({false, root_unknown}, - valid_chain_p(KnownRoots, - lists:nth(2, Chains), 10)), + normalise_chain(KnownRoots, + lists:nth(2, Chains), 10)), %% Leaf signed by known CA, pass. - ?_assertMatch({true, _}, valid_chain_p(KnownRoots, - lists:nth(3, Chains), 10)), + ?_assertMatch({true, _}, normalise_chain(KnownRoots, + lists:nth(3, Chains), 10)), %% Proper 3-depth chain with root in KnownRoots, pass. %% Bug CATLFISH-19 --> [info] rejecting "3ee62cb678014c14d22ebf96f44cc899adea72f1": chain_broken %% leaf sha1: 3ee62cb678014c14d22ebf96f44cc899adea72f1 %% leaf Subject: C=KR, O=Government of Korea, OU=Group of Server, OU=\xEA\xB5\x90\xEC\x9C\xA1\xEA\xB3\xBC\xED\x95\x99\xEA\xB8\xB0\xEC\x88\xA0\xEB\xB6\x80, CN=www.berea.ac.kr, CN=haksa.bits.ac.kr - ?_assertMatch({true, _}, valid_chain_p(KnownRoots, - lists:nth(4, Chains), 3)), + ?_assertMatch({true, _}, normalise_chain(KnownRoots, + lists:nth(4, Chains), 3)), %% Verify against self, pass. %% Bug CATLFISH-??, can't handle issuer keytype ECPoint. %% Issuer sha1: 6969562e4080f424a1e7199f14baf3ee58ab6abb @@ -450,21 +450,21 @@ chain_test_() -> chain_test(C0, C1) -> [ %% Root not in chain but in trust store. - ?_assertEqual({true, [C1]}, valid_chain_p([C1], [C0], 10)), - ?_assertEqual({true, [C1]}, valid_chain_p([C1], [C0], 2)), + ?_assertEqual({true, [C1]}, normalise_chain([C1], [C0], 10)), + ?_assertEqual({true, [C1]}, normalise_chain([C1], [C0], 2)), %% Chain too long. - ?_assertMatch({false, chain_too_long}, valid_chain_p([C1], [C0], 1)), + ?_assertMatch({false, chain_too_long}, normalise_chain([C1], [C0], 1)), %% Root in chain and in trust store. - ?_assertEqual({true, []}, valid_chain_p([C1], [C0, C1], 2)), + ?_assertEqual({true, []}, normalise_chain([C1], [C0, C1], 2)), %% Chain too long. - ?_assertMatch({false, chain_too_long}, valid_chain_p([C1], [C0, C1], 1)), + ?_assertMatch({false, chain_too_long}, normalise_chain([C1], [C0, C1], 1)), %% Root not in trust store. - ?_assertMatch({false, root_unknown}, valid_chain_p([], [C0, C1], 10)), + ?_assertMatch({false, root_unknown}, normalise_chain([], [C0, C1], 10)), %% Selfsigned. Actually OK. - ?_assertMatch({true, []}, valid_chain_p([C0], [C0], 10)), - ?_assertMatch({true, []}, valid_chain_p([C0], [C0], 1)), + ?_assertMatch({true, []}, normalise_chain([C0], [C0], 10)), + ?_assertMatch({true, []}, normalise_chain([C0], [C0], 1)), %% Max chain length 0 is not OK. - ?_assertMatch({false, chain_too_long}, valid_chain_p([C0], [C0], 0)) + ?_assertMatch({false, chain_too_long}, normalise_chain([C0], [C0], 0)) ]. %%-spec read_certs(file:filename()) -> [string:string()]. |