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nginx/SOURCES/0003-Support-loading-cert-h...

89 lines
2.3 KiB

From 4e5f12d6584536ead82d20554d8f3f2ab0107b0b Mon Sep 17 00:00:00 2001
From: Lubos Uhliarik <luhliari@redhat.com>
Date: Fri, 30 Apr 2021 13:07:45 +0000
Subject: [PATCH 3/3] Support loading certificates from hardware token (PKCS#11)
---
src/event/ngx_event_openssl.c | 65 +++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index d762d6b..270b200 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -617,6 +617,71 @@ ngx_ssl_load_certificate(ngx_pool_t *pool, char **err, ngx_str_t *cert,
X509 *x509, *temp;
u_long n;
+ if (ngx_strncmp(cert->data, "engine:", sizeof("engine:") - 1) == 0) {
+
+#ifndef OPENSSL_NO_ENGINE
+
+ u_char *p, *last;
+ ENGINE *engine;
+
+ p = cert->data + sizeof("engine:") - 1;
+ last = (u_char *) ngx_strchr(p, ':');
+
+ if (last == NULL) {
+ *err = "invalid syntax";
+ return NULL;
+ }
+
+ *last = '\0';
+
+ engine = ENGINE_by_id((char *) p);
+
+ if (engine == NULL) {
+ *err = "ENGINE_by_id() failed";
+ return NULL;
+ }
+
+ if (!ENGINE_init(engine)) {
+ *err = "ENGINE_init() failed";
+ ENGINE_free(engine);
+ return NULL;
+ }
+
+ *last++ = ':';
+
+ struct {
+ const char *cert_id;
+ X509 *cert;
+ } params = { (char *) last, NULL };
+
+ if (!ENGINE_ctrl_cmd(engine, "LOAD_CERT_CTRL", 0, &params, NULL, 1)) {
+ *err = "ENGINE_ctrl_cmd() failed - Unable to get the certificate";
+ ENGINE_free(engine);
+ return NULL;
+ }
+
+ ENGINE_finish(engine);
+ ENGINE_free(engine);
+
+ /* set chain to null */
+
+ *chain = sk_X509_new_null();
+ if (*chain == NULL) {
+ *err = "sk_X509_new_null() failed";
+ X509_free(params.cert);
+ return NULL;
+ }
+
+ return params.cert;
+
+#else
+
+ *err = "loading \"engine:...\" certificate is not supported";
+ return NULL;
+
+#endif
+ }
+
if (ngx_strncmp(cert->data, "data:", sizeof("data:") - 1) == 0) {
bio = BIO_new_mem_buf(cert->data + sizeof("data:") - 1,
--
2.26.3