Merge branch 'sm/ssl-key-type-config' into jch

Add a few configuration variables to tell the cURL library that
different types of ssl-cert and ssl-key are in use.

* sm/ssl-key-type-config:
  http: add support for different sslcert and sslkey types.

http.c

@@ -40,6 +40,7 @@ static int curl_ssl_verify = -1;
 static int curl_ssl_try;
 static const char *curl_http_version = NULL;
 static const char *ssl_cert;
+static const char *ssl_cert_type;
 static const char *ssl_cipherlist;
 static const char *ssl_version;
 static struct {
@@ -59,6 +60,7 @@ static struct {
 #endif
 };
 static const char *ssl_key;
+static const char *ssl_key_type;
 static const char *ssl_capath;
 static const char *curl_no_proxy;
 #ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY
@@ -374,8 +376,12 @@ static int http_options(const char *var, const char *value, void *cb)
 		return git_config_string(&ssl_version, var, value);
 	if (!strcmp("http.sslcert", var))
 		return git_config_pathname(&ssl_cert, var, value);
+	if (!strcmp("http.sslcerttype", var))
+		return git_config_string(&ssl_cert_type, var, value);
 	if (!strcmp("http.sslkey", var))
 		return git_config_pathname(&ssl_key, var, value);
+	if (!strcmp("http.sslkeytype", var))
+		return git_config_string(&ssl_key_type, var, value);
 	if (!strcmp("http.sslcapath", var))
 		return git_config_pathname(&ssl_capath, var, value);
 	if (!strcmp("http.sslcainfo", var))
@@ -1014,10 +1020,14 @@ static CURL *get_curl_handle(void)
 
 	if (ssl_cert)
 		curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
+	if (ssl_cert_type)
+		curl_easy_setopt(result, CURLOPT_SSLCERTTYPE, ssl_cert_type);
 	if (has_cert_password())
 		curl_easy_setopt(result, CURLOPT_KEYPASSWD, cert_auth.password);
 	if (ssl_key)
 		curl_easy_setopt(result, CURLOPT_SSLKEY, ssl_key);
+	if (ssl_key_type)
+		curl_easy_setopt(result, CURLOPT_SSLKEYTYPE, ssl_key_type);
 	if (ssl_capath)
 		curl_easy_setopt(result, CURLOPT_CAPATH, ssl_capath);
 #ifdef GIT_CURL_HAVE_CURLOPT_PINNEDPUBLICKEY
@@ -1252,7 +1262,9 @@ void http_init(struct remote *remote, const char *url, int proactive_auth)
 		curl_ssl_verify = 0;
 
 	set_from_env(&ssl_cert, "GIT_SSL_CERT");
+	set_from_env(&ssl_cert_type, "GIT_SSL_CERT_TYPE");
 	set_from_env(&ssl_key, "GIT_SSL_KEY");
+	set_from_env(&ssl_key_type, "GIT_SSL_KEY_TYPE");
 	set_from_env(&ssl_capath, "GIT_SSL_CAPATH");
 	set_from_env(&ssl_cainfo, "GIT_SSL_CAINFO");