Backport ssl client auth ENGINE support to 0.9.8.

crypto/engine/eng_all.c

@@ -107,9 +107,9 @@ void ENGINE_load_builtin_engines(void)
 #if defined(__OpenBSD__) || defined(__FreeBSD__)
 	ENGINE_load_cryptodev();
 #endif
-#endif
 #if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
 	ENGINE_load_capi();
+#endif
 #endif
 	}
 

crypto/engine/eng_err.c

@@ -1,6 +1,6 @@
 /* crypto/engine/eng_err.c */
 /* ====================================================================
- * Copyright (c) 1999-2005 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2008 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -92,6 +92,7 @@ static ERR_STRING_DATA ENGINE_str_functs[]=
 {ERR_FUNC(ENGINE_F_ENGINE_LIST_REMOVE),	"ENGINE_LIST_REMOVE"},
 {ERR_FUNC(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY),	"ENGINE_load_private_key"},
 {ERR_FUNC(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY),	"ENGINE_load_public_key"},
+{ERR_FUNC(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT),	"ENGINE_load_ssl_client_cert"},
 {ERR_FUNC(ENGINE_F_ENGINE_NEW),	"ENGINE_new"},
 {ERR_FUNC(ENGINE_F_ENGINE_REMOVE),	"ENGINE_remove"},
 {ERR_FUNC(ENGINE_F_ENGINE_SET_DEFAULT_STRING),	"ENGINE_set_default_string"},

crypto/engine/eng_int.h

@@ -170,6 +170,8 @@ struct engine_st
 	ENGINE_LOAD_KEY_PTR load_privkey;
 	ENGINE_LOAD_KEY_PTR load_pubkey;
 
+	ENGINE_SSL_CLIENT_CERT_PTR load_ssl_client_cert;
+
 	const ENGINE_CMD_DEFN *cmd_defns;
 	int flags;
 	/* reference count on the structure itself */

crypto/engine/eng_pkey.c

@@ -69,6 +69,13 @@ int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
 	return 1;
 	}
 
+int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
+				ENGINE_SSL_CLIENT_CERT_PTR loadssl_f)
+	{
+	e->load_ssl_client_cert = loadssl_f;
+	return 1;
+	}
+
 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
 	{
 	return e->load_privkey;
@@ -79,6 +86,11 @@ ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
 	return e->load_pubkey;
 	}
 
+ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE *e)
+	{
+	return e->load_ssl_client_cert;
+	}
+
 /* API functions to load public/private keys */
 
 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
@@ -152,3 +164,33 @@ EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
 		}
 	return pkey;
 	}
+
+int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
+	STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **ppkey,
+	STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
+	{
+
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if(e->funct_ref == 0)
+		{
+		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
+			ENGINE_R_NOT_INITIALISED);
+		return 0;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	if (!e->load_ssl_client_cert)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT,
+			ENGINE_R_NO_LOAD_FUNCTION);
+		return 0;
+		}
+	return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
+					ui_method, callback_data);
+	}

crypto/engine/engine.h

@@ -93,6 +93,8 @@
 #include <openssl/err.h>
 #endif
 
+#include <openssl/x509.h>
+
 #include <openssl/ossl_typ.h>
 #include <openssl/symhacks.h>
 
@@ -278,6 +280,9 @@ typedef int (*ENGINE_CTRL_FUNC_PTR)(ENGINE *, int, long, void *, void (*f)(void)
 /* Generic load_key function pointer */
 typedef EVP_PKEY * (*ENGINE_LOAD_KEY_PTR)(ENGINE *, const char *,
 	UI_METHOD *ui_method, void *callback_data);
+typedef int (*ENGINE_SSL_CLIENT_CERT_PTR)(ENGINE *, SSL *ssl,
+	STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
+	STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
 /* These callback types are for an ENGINE's handler for cipher and digest logic.
  * These handlers have these prototypes;
  *   int foo(ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid);
@@ -462,6 +467,8 @@ int ENGINE_set_finish_function(ENGINE *e, ENGINE_GEN_INT_FUNC_PTR finish_f);
 int ENGINE_set_ctrl_function(ENGINE *e, ENGINE_CTRL_FUNC_PTR ctrl_f);
 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f);
 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f);
+int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
+				ENGINE_SSL_CLIENT_CERT_PTR loadssl_f);
 int ENGINE_set_ciphers(ENGINE *e, ENGINE_CIPHERS_PTR f);
 int ENGINE_set_digests(ENGINE *e, ENGINE_DIGESTS_PTR f);
 int ENGINE_set_flags(ENGINE *e, int flags);
@@ -497,6 +504,7 @@ ENGINE_GEN_INT_FUNC_PTR ENGINE_get_finish_function(const ENGINE *e);
 ENGINE_CTRL_FUNC_PTR ENGINE_get_ctrl_function(const ENGINE *e);
 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e);
 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e);
+ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE *e);
 ENGINE_CIPHERS_PTR ENGINE_get_ciphers(const ENGINE *e);
 ENGINE_DIGESTS_PTR ENGINE_get_digests(const ENGINE *e);
 const EVP_CIPHER *ENGINE_get_cipher(ENGINE *e, int nid);
@@ -532,6 +540,10 @@ EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
 	UI_METHOD *ui_method, void *callback_data);
 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
 	UI_METHOD *ui_method, void *callback_data);
+int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
+	STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **ppkey,
+	STACK_OF(X509) **pother,
+	UI_METHOD *ui_method, void *callback_data);
 
 /* This returns a pointer for the current ENGINE structure that
  * is (by default) performing any RSA operations. The value returned
@@ -726,6 +738,7 @@ void ERR_load_ENGINE_strings(void);
 #define ENGINE_F_ENGINE_LIST_REMOVE			 121
 #define ENGINE_F_ENGINE_LOAD_PRIVATE_KEY		 150
 #define ENGINE_F_ENGINE_LOAD_PUBLIC_KEY			 151
+#define ENGINE_F_ENGINE_LOAD_SSL_CLIENT_CERT		 192
 #define ENGINE_F_ENGINE_NEW				 122
 #define ENGINE_F_ENGINE_REMOVE				 123
 #define ENGINE_F_ENGINE_SET_DEFAULT_STRING		 189

crypto/ossl_typ.h

@@ -140,6 +140,8 @@ typedef struct X509_crl_st X509_CRL;
 typedef struct X509_name_st X509_NAME;
 typedef struct x509_store_st X509_STORE;
 typedef struct x509_store_ctx_st X509_STORE_CTX;
+typedef struct ssl_st SSL;
+typedef struct ssl_ctx_st SSL_CTX;
 
 typedef struct v3_ext_ctx X509V3_CTX;
 typedef struct conf_st CONF;

ssl/ssl.h

@@ -361,9 +361,6 @@ typedef struct ssl_cipher_st
 
 DECLARE_STACK_OF(SSL_CIPHER)
 
-typedef struct ssl_st SSL;
-typedef struct ssl_ctx_st SSL_CTX;
-
 /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
 typedef struct ssl_method_st
 	{