1 files changed, 73 insertions, 30 deletions

diff --git a/certs/extract-cert.c b/certs/extract-cert.c
index 61bbe0085671..7d6d468ed612 100644
--- a/certs/extract-cert.c
+++ b/certs/extract-cert.c
@@ -21,17 +21,18 @@
 #include <openssl/bio.h>
 #include <openssl/pem.h>
 #include <openssl/err.h>
-#include <openssl/engine.h>
-
+#if OPENSSL_VERSION_MAJOR >= 3
+# define USE_PKCS11_PROVIDER
+# include <openssl/provider.h>
+# include <openssl/store.h>
+#else
+# if !defined(OPENSSL_NO_ENGINE) && !defined(OPENSSL_NO_DEPRECATED_3_0)
+#  define USE_PKCS11_ENGINE
+#  include <openssl/engine.h>
+# endif
+#endif
 #include "ssl-common.h"
 
-/*
- * OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
- *
- * Remove this if/when that API is no longer used
- */
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
 #define PKEY_ID_PKCS7 2
 
 static __attribute__((noreturn))
@@ -61,6 +62,66 @@ static void write_cert(X509 *x509)
 		fprintf(stderr, "Extracted cert: %s\n", buf);
 }
 
+static X509 *load_cert_pkcs11(const char *cert_src)
+{
+	X509 *cert = NULL;
+#ifdef USE_PKCS11_PROVIDER
+	OSSL_STORE_CTX *store;
+
+	if (!OSSL_PROVIDER_try_load(NULL, "pkcs11", true))
+		ERR(1, "OSSL_PROVIDER_try_load(pkcs11)");
+	if (!OSSL_PROVIDER_try_load(NULL, "default", true))
+		ERR(1, "OSSL_PROVIDER_try_load(default)");
+
+	store = OSSL_STORE_open(cert_src, NULL, NULL, NULL, NULL);
+	ERR(!store, "OSSL_STORE_open");
+
+	while (!OSSL_STORE_eof(store)) {
+		OSSL_STORE_INFO *info = OSSL_STORE_load(store);
+
+		if (!info) {
+			drain_openssl_errors(__LINE__, 0);
+			continue;
+		}
+		if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_CERT) {
+			cert = OSSL_STORE_INFO_get1_CERT(info);
+			ERR(!cert, "OSSL_STORE_INFO_get1_CERT");
+		}
+		OSSL_STORE_INFO_free(info);
+		if (cert)
+			break;
+	}
+	OSSL_STORE_close(store);
+#elif defined(USE_PKCS11_ENGINE)
+		ENGINE *e;
+		struct {
+			const char *cert_id;
+			X509 *cert;
+		} parms;
+
+		parms.cert_id = cert_src;
+		parms.cert = NULL;
+
+		ENGINE_load_builtin_engines();
+		drain_openssl_errors(__LINE__, 1);
+		e = ENGINE_by_id("pkcs11");
+		ERR(!e, "Load PKCS#11 ENGINE");
+		if (ENGINE_init(e))
+			drain_openssl_errors(__LINE__, 1);
+		else
+			ERR(1, "ENGINE_init");
+		if (key_pass)
+			ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
+		ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
+		ERR(!parms.cert, "Get X.509 from PKCS#11");
+		cert = parms.cert;
+#else
+		fprintf(stderr, "no pkcs11 engine/provider available\n");
+		exit(1);
+#endif
+	return cert;
+}
+
 int main(int argc, char **argv)
 {
 	char *cert_src;
@@ -89,28 +150,10 @@ int main(int argc, char **argv)
 		fclose(f);
 		exit(0);
 	} else if (!strncmp(cert_src, "pkcs11:", 7)) {
-		ENGINE *e;
-		struct {
-			const char *cert_id;
-			X509 *cert;
-		} parms;
+		X509 *cert = load_cert_pkcs11(cert_src);
 
-		parms.cert_id = cert_src;
-		parms.cert = NULL;
-
-		ENGINE_load_builtin_engines();
-		drain_openssl_errors(__LINE__, 1);
-		e = ENGINE_by_id("pkcs11");
-		ERR(!e, "Load PKCS#11 ENGINE");
-		if (ENGINE_init(e))
-			drain_openssl_errors(__LINE__, 1);
-		else
-			ERR(1, "ENGINE_init");
-		if (key_pass)
-			ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
-		ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
-		ERR(!parms.cert, "Get X.509 from PKCS#11");
-		write_cert(parms.cert);
+		ERR(!cert, "load_cert_pkcs11 failed");
+		write_cert(cert);
 	} else {
 		BIO *b;
 		X509 *x509;