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ssl-verify-host: fix verifying ip addresses containing zero's (#732)

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* ssl-verify-host: fix verifying ip addresses containing zero's

If the subject alternate name contained an ip address with an zero
(like 10.42.0.1) it could not successfully verify.
It is because in c++ strings are null-terminated
and therefore strlen(name) would return a wrong result.
As I can not see why we can not trust the length returned by openssl,
lets drop this check.

* ssl-verify-host: add test case

lets try to validate against 127.0.0.1

Co-authored-by: Daniel Ottiger <daniel.ottiger@ch.schindler.com>
This commit is contained in:
Daniel Ottiger 2020-11-03 02:27:34 +01:00 • committed by GitHub
parent eb1d2e04bc
commit 6e1879dfae
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4 changed files with 37 additions and 9 deletions
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26
test/test.cc
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@ -7,6 +7,7 @@
#include <thread>
#define SERVER_CERT_FILE "./cert.pem"
#define SERVER_CERT2_FILE "./cert2.pem"
#define SERVER_PRIVATE_KEY_FILE "./key.pem"
#define CA_CERT_FILE "./ca-bundle.crt"
#define CLIENT_CA_CERT_FILE "./rootCA.cert.pem"
@ -3245,6 +3246,31 @@ TEST(SSLClientTest, ServerCertificateVerification3) {
ASSERT_EQ(301, res->status);
}
TEST(SSLClientTest, ServerCertificateVerification4) {
SSLServer svr(SERVER_CERT2_FILE, SERVER_PRIVATE_KEY_FILE);
ASSERT_TRUE(svr.is_valid());
svr.Get("/test", [&](const Request &req, Response &res) {
res.set_content("test", "text/plain");
svr.stop();
ASSERT_TRUE(true);
});
thread t = thread([&]() { ASSERT_TRUE(svr.listen("127.0.0.1", PORT)); });
std::this_thread::sleep_for(std::chrono::milliseconds(1));
SSLClient cli("127.0.0.1", PORT);
cli.set_ca_cert_path(SERVER_CERT2_FILE);
cli.enable_server_certificate_verification(true);
cli.set_connection_timeout(30);
auto res = cli.Get("/test");
ASSERT_TRUE(res);
ASSERT_EQ(200, res->status);
t.join();
}
TEST(SSLClientTest, WildcardHostNameMatch) {
SSLClient cli("www.youtube.com");