Prune low-level ASN.1 parse errors from error queue in decoder_process()
[openssl.git] / providers / legacyprov.c
index a439cfd32fdda34c9d9b74eb0a714d541d0c8ffd..50c4479b382e2eae601b921acafbdb2b7f98f30d 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
 #include <string.h>
 #include <stdio.h>
 #include <openssl/core.h>
-#include <openssl/core_numbers.h>
+#include <openssl/core_dispatch.h>
 #include <openssl/core_names.h>
 #include <openssl/params.h>
+#include "prov/provider_ctx.h"
 #include "prov/implementations.h"
+#include "prov/providercommon.h"
+
+/*
+ * Forward declarations to ensure that interface functions are correctly
+ * defined.
+ */
+static OSSL_FUNC_provider_gettable_params_fn legacy_gettable_params;
+static OSSL_FUNC_provider_get_params_fn legacy_get_params;
+static OSSL_FUNC_provider_query_operation_fn legacy_query;
 
 #define ALG(NAMES, FUNC) { NAMES, "provider=legacy", FUNC }
 
@@ -23,23 +33,24 @@ OSSL_provider_init_fn ossl_legacy_provider_init;
 #endif
 
 /* Functions provided by the core */
-static OSSL_core_gettable_params_fn *c_gettable_params = NULL;
-static OSSL_core_get_params_fn *c_get_params = NULL;
+static OSSL_FUNC_core_gettable_params_fn *c_gettable_params = NULL;
+static OSSL_FUNC_core_get_params_fn *c_get_params = NULL;
 
 /* Parameters we provide to the core */
-static const OSSL_ITEM legacy_param_types[] = {
-    { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME },
-    { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION },
-    { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO },
-    { 0, NULL }
+static const OSSL_PARAM legacy_param_types[] = {
+    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
+    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
+    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
+    OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
+    OSSL_PARAM_END
 };
 
-static const OSSL_ITEM *legacy_gettable_params(const OSSL_PROVIDER *prov)
+static const OSSL_PARAM *legacy_gettable_params(void *provctx)
 {
     return legacy_param_types;
 }
 
-static int legacy_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
+static int legacy_get_params(void *provctx, OSSL_PARAM params[])
 {
     OSSL_PARAM *p;
 
@@ -52,7 +63,9 @@ static int legacy_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
     p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
     if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
         return 0;
-
+    p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
+    if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
+        return 0;
     return 1;
 }
 
@@ -79,8 +92,8 @@ static const OSSL_ALGORITHM legacy_ciphers[] = {
 #ifndef OPENSSL_NO_CAST
     ALG("CAST5-ECB", cast5128ecb_functions),
     ALG("CAST5-CBC:CAST-CBC:CAST", cast5128cbc_functions),
-    ALG("CAST5-OFB", cast564ofb64_functions),
-    ALG("CAST5-CFB", cast564cfb64_functions),
+    ALG("CAST5-OFB", cast5128ofb64_functions),
+    ALG("CAST5-CFB", cast5128cfb64_functions),
 #endif /* OPENSSL_NO_CAST */
 #ifndef OPENSSL_NO_BF
     ALG("BF-ECB", blowfish128ecb_functions),
@@ -102,9 +115,9 @@ static const OSSL_ALGORITHM legacy_ciphers[] = {
 #endif /* OPENSSL_NO_SEED */
 #ifndef OPENSSL_NO_RC2
     ALG("RC2-ECB", rc2128ecb_functions),
-    ALG("RC2-CBC", rc2128cbc_functions),
-    ALG("RC2-40-CBC", rc240cbc_functions),
-    ALG("RC2-64-CBC", rc264cbc_functions),
+    ALG("RC2-CBC:RC2:RC2-128", rc2128cbc_functions),
+    ALG("RC2-40-CBC:RC2-40", rc240cbc_functions),
+    ALG("RC2-64-CBC:RC2-64", rc264cbc_functions),
     ALG("RC2-CFB", rc2128cfb128_functions),
     ALG("RC2-OFB", rc2128ofb128_functions),
 #endif /* OPENSSL_NO_RC2 */
@@ -117,7 +130,7 @@ static const OSSL_ALGORITHM legacy_ciphers[] = {
 #endif /* OPENSSL_NO_RC4 */
 #ifndef OPENSSL_NO_RC5
     ALG("RC5-ECB", rc5128ecb_functions),
-    ALG("RC5-CBC", rc5128cbc_functions),
+    ALG("RC5-CBC:RC5", rc5128cbc_functions),
     ALG("RC5-OFB", rc5128ofb64_functions),
     ALG("RC5-CFB", rc5128cfb64_functions),
 #endif /* OPENSSL_NO_RC5 */
@@ -133,8 +146,7 @@ static const OSSL_ALGORITHM legacy_ciphers[] = {
     { NULL, NULL, NULL }
 };
 
-static const OSSL_ALGORITHM *legacy_query(OSSL_PROVIDER *prov,
-                                          int operation_id,
+static const OSSL_ALGORITHM *legacy_query(void *provctx, int operation_id,
                                           int *no_cache)
 {
     *no_cache = 0;
@@ -147,31 +159,39 @@ static const OSSL_ALGORITHM *legacy_query(OSSL_PROVIDER *prov,
     return NULL;
 }
 
+static void legacy_teardown(void *provctx)
+{
+    OPENSSL_CTX_free(PROV_LIBRARY_CONTEXT_OF(provctx));
+    PROV_CTX_free(provctx);
+}
+
 /* Functions we provide to the core */
 static const OSSL_DISPATCH legacy_dispatch_table[] = {
+    { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))legacy_teardown },
     { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))legacy_gettable_params },
     { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params },
     { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query },
     { 0, NULL }
 };
 
-int OSSL_provider_init(const OSSL_PROVIDER *provider,
+int OSSL_provider_init(const OSSL_CORE_HANDLE *handle,
                        const OSSL_DISPATCH *in,
                        const OSSL_DISPATCH **out,
                        void **provctx)
 {
-    OSSL_core_get_library_context_fn *c_get_libctx = NULL;
+    OSSL_FUNC_core_get_library_context_fn *c_get_libctx = NULL;
+    OPENSSL_CTX *libctx = NULL;
 
     for (; in->function_id != 0; in++) {
         switch (in->function_id) {
         case OSSL_FUNC_CORE_GETTABLE_PARAMS:
-            c_gettable_params = OSSL_get_core_gettable_params(in);
+            c_gettable_params = OSSL_FUNC_core_gettable_params(in);
             break;
         case OSSL_FUNC_CORE_GET_PARAMS:
-            c_get_params = OSSL_get_core_get_params(in);
+            c_get_params = OSSL_FUNC_core_get_params(in);
             break;
         case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT:
-            c_get_libctx = OSSL_get_core_get_library_context(in);
+            c_get_libctx = OSSL_FUNC_core_get_library_context(in);
             break;
         /* Just ignore anything we don't understand */
         default:
@@ -182,13 +202,17 @@ int OSSL_provider_init(const OSSL_PROVIDER *provider,
     if (c_get_libctx == NULL)
         return 0;
 
+    if ((*provctx = PROV_CTX_new()) == NULL
+        || (libctx = OPENSSL_CTX_new()) == NULL) {
+        OPENSSL_CTX_free(libctx);
+        legacy_teardown(*provctx);
+        *provctx = NULL;
+        return 0;
+    }
+    PROV_CTX_set0_library_context(*provctx, libctx);
+    PROV_CTX_set0_handle(*provctx, handle);
+
     *out = legacy_dispatch_table;
 
-    /*
-     * We want to make sure that all calls from this provider that requires
-     * a library context use the same context as the one used to call our
-     * functions.  We do that by passing it along as the provider context.
-     */
-    *provctx = c_get_libctx(provider);
     return 1;
 }