sslutils: use chain from client certificates

sslutils used to load only the first certificate when it was given a
client certificate file.

Added tests for check_http to connect to a http server that expects a
client certificate (simple and with chain).

Signed-off-by: Tobias Wiese <tobias@tobiaswiese.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/plugins/sslutils.c b/plugins/sslutils.c
index 14f6579d..286273f6 100644
--- a/plugins/sslutils.c
+++ b/plugins/sslutils.c
@@ -134,7 +134,7 @@ int np_net_ssl_init_with_hostname_version_and_cert(int sd, char *host_name, int
                 return STATE_CRITICAL;
         }
         if (cert && privkey) {
-                SSL_CTX_use_certificate_file(c, cert, SSL_FILETYPE_PEM);
+                SSL_CTX_use_certificate_chain_file(c, cert);
                 SSL_CTX_use_PrivateKey_file(c, privkey, SSL_FILETYPE_PEM);
 #ifdef USE_OPENSSL
                 if (!SSL_CTX_check_private_key(c)) {