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Only check top-level certificate against fingerprint list.

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This allows "chain" certificates to be used with the fingerprint
whitelist option. A user can get a system-ca signature as backup while
clients explicitly whitelist the server certificate. The user specified
CA can also be combined with fingerprint whitelisting.
This commit is contained in:
Lee Clagett 2019-04-04 01:48:55 -04:00
parent 7c388fb358
commit 97cd1fa98d
1 changed files with 4 additions and 2 deletions
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6
contrib/epee/src/net_ssl.cpp
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@ -285,8 +285,10 @@ bool ssl_options_t::has_fingerprint(boost::asio::ssl::verify_context &ctx) const
MERROR("Error getting verify_context handle");
return false;
}
X509 *cert =X509_STORE_CTX_get_current_cert(sctx);
if (!cert)
X509* cert = nullptr;
const STACK_OF(X509)* chain = X509_STORE_CTX_get_chain(sctx);
if (!chain || sk_X509_num(chain) < 1 || !(cert = sk_X509_value(chain, 0)))
{
MERROR("No certificate found in verify_context");
return false;