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fix segv in Timestamp::{Request,Response,TokenInfo}.new #407

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merged 1 commit into from Sep 27, 2021
+27 −3
Merged

fix segv in Timestamp::{Request,Response,TokenInfo}.new #407

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12 changes: 9 additions & 3 deletions ext/openssl/ossl_ts.c
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Expand Up @@ -205,8 +205,10 @@ ossl_ts_req_initialize(int argc, VALUE *argv, VALUE self)
in = ossl_obj2bio(&arg);
ts_req = d2i_TS_REQ_bio(in, &ts_req);
BIO_free(in);
if (!ts_req)
if (!ts_req) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp request");
}
DATA_PTR(self) = ts_req;

return self;
Expand Down Expand Up @@ -529,8 +531,10 @@ ossl_ts_resp_initialize(VALUE self, VALUE der)
in = ossl_obj2bio(&der);
ts_resp = d2i_TS_RESP_bio(in, &ts_resp);
BIO_free(in);
if (!ts_resp)
if (!ts_resp) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp response");
}
DATA_PTR(self) = ts_resp;

return self;
Expand Down Expand Up @@ -871,8 +875,10 @@ ossl_ts_token_info_initialize(VALUE self, VALUE der)
in = ossl_obj2bio(&der);
info = d2i_TS_TST_INFO_bio(in, &info);
BIO_free(in);
if (!info)
if (!info) {
DATA_PTR(self) = NULL;
ossl_raise(eTimestampError, "Error when decoding the timestamp token info");
}
DATA_PTR(self) = info;

return self;
Expand Down
18 changes: 18 additions & 0 deletions test/openssl/test_ts.rb
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Expand Up @@ -181,6 +181,12 @@ def test_request_encode_decode
assert_equal(42, qer2.nonce)
end

def test_request_invalid_asn1
assert_raise(OpenSSL::Timestamp::TimestampError) do
OpenSSL::Timestamp::Request.new("*" * 44)
end
end

def test_response_constants
assert_equal(0, OpenSSL::Timestamp::Response::GRANTED)
assert_equal(1, OpenSSL::Timestamp::Response::GRANTED_WITH_MODS)
Expand Down Expand Up @@ -333,6 +339,12 @@ def test_response_bad_purpose
end
end

def test_response_invalid_asn1
assert_raise(OpenSSL::Timestamp::TimestampError) do
OpenSSL::Timestamp::Response.new("*" * 44)
end
end

def test_no_cert_requested
req = OpenSSL::Timestamp::Request.new
req.algorithm = "SHA1"
Expand Down Expand Up @@ -585,6 +597,12 @@ def test_token_info_creation
assert_equal(123, info.nonce)
end

def test_token_info_invalid_asn1
assert_raise(OpenSSL::Timestamp::TimestampError) do
OpenSSL::Timestamp::TokenInfo.new("*" * 44)
end
end

private

def assert_cert expected, actual
Expand Down