Change the DRBG HASH implementation to lookup all allowed algorithm names

[openssl.git] / crypto / provider_core.c

diff --git a/crypto/provider_core.c b/crypto/provider_core.c
index 36692b6ce41f34aa4c4d483bbb04cc01cd480385..f1b3925faac6ab2fa5d7070af4cee7821ee6b789 100644 (file)
--- a/crypto/provider_core.c
+++ b/crypto/provider_core.c
@@ -11,7 +11,7 @@
 #include <openssl/core_numbers.h>
 #include <openssl/params.h>
 #include <openssl/opensslv.h>
-#include "internal/cryptlib.h"
+#include "internal/cryptlib_int.h"
 #include "internal/nelem.h"
 #include "internal/thread_once.h"
 #include "internal/provider.h"
@@ -47,6 +47,7 @@ struct ossl_provider_st {
     DSO *module;
     OSSL_provider_init_fn *init_function;
     STACK_OF(INFOPAIR) *parameters;
+    OPENSSL_CTX *libctx; /* The library context this instance is in */
     struct provider_store_st *store; /* The store this instance belongs to */
 
     /* Provider side functions */
@@ -120,6 +121,7 @@ static void *provider_store_new(OPENSSL_CTX *ctx)
             CRYPTOerr(CRYPTO_F_PROVIDER_STORE_NEW, ERR_R_INTERNAL_ERROR);
             return NULL;
         }
+        prov->libctx = ctx;
         prov->store = store;
         if(p->is_fallback)
             ossl_provider_set_fallback(prov);
@@ -194,7 +196,8 @@ int ossl_provider_upref(OSSL_PROVIDER *prov)
 {
     int ref = 0;
 
-    CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock);
+    if (CRYPTO_UP_REF(&prov->refcnt, &ref, prov->refcnt_lock) <= 0)
+        return 0;
     return ref;
 }
 
@@ -228,6 +231,7 @@ OSSL_PROVIDER *ossl_provider_new(OPENSSL_CTX *libctx, const char *name,
         ossl_provider_free(prov); /* -1 Reference that was to be returned */
         prov = NULL;
     } else {
+        prov->libctx = libctx;
         prov->store = store;
     }
     CRYPTO_THREAD_unlock(store->lock);
@@ -265,6 +269,9 @@ void ossl_provider_free(OSSL_PROVIDER *prov)
          * When that happens, the provider is inactivated.
          */
         if (ref < 2 && prov->flag_initialized) {
+#ifndef FIPS_MODE
+            ossl_init_thread_deregister(prov);
+#endif
             if (prov->teardown != NULL)
                 prov->teardown(prov->provctx);
             prov->flag_initialized = 0;
@@ -340,7 +347,7 @@ static const OSSL_DISPATCH *core_dispatch; /* Define further down */
 /*
  * Internal version that doesn't affect the store flags, and thereby avoid
  * locking.  Direct callers must remember to set the store flags when
- * appropriate
+ * appropriate.
  */
 static int provider_activate(OSSL_PROVIDER *prov)
 {
@@ -397,6 +404,7 @@ static int provider_activate(OSSL_PROVIDER *prov)
 #endif
     }
 
+    /* Call the initialise function for the provider. */
     if (prov->init_function == NULL
         || !prov->init_function(prov, core_dispatch, &provider_dispatch,
                                 &prov->provctx)) {
@@ -553,17 +561,17 @@ int ossl_provider_set_fallback(OSSL_PROVIDER *prov)
 }
 
 /* Getters of Provider Object data */
-const char *ossl_provider_name(OSSL_PROVIDER *prov)
+const char *ossl_provider_name(const OSSL_PROVIDER *prov)
 {
     return prov->name;
 }
 
-const DSO *ossl_provider_dso(OSSL_PROVIDER *prov)
+const DSO *ossl_provider_dso(const OSSL_PROVIDER *prov)
 {
     return prov->module;
 }
 
-const char *ossl_provider_module_name(OSSL_PROVIDER *prov)
+const char *ossl_provider_module_name(const OSSL_PROVIDER *prov)
 {
 #ifdef FIPS_MODE
     return NULL;
@@ -572,7 +580,7 @@ const char *ossl_provider_module_name(OSSL_PROVIDER *prov)
 #endif
 }
 
-const char *ossl_provider_module_path(OSSL_PROVIDER *prov)
+const char *ossl_provider_module_path(const OSSL_PROVIDER *prov)
 {
 #ifdef FIPS_MODE
     return NULL;
@@ -595,8 +603,7 @@ const OSSL_ITEM *ossl_provider_get_param_types(const OSSL_PROVIDER *prov)
         ? NULL : prov->get_param_types(prov->provctx);
 }
 
-int ossl_provider_get_params(const OSSL_PROVIDER *prov,
-                             const OSSL_PARAM params[])
+int ossl_provider_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
 {
     return prov->get_params == NULL
         ? 0 : prov->get_params(prov->provctx, params);
@@ -633,10 +640,10 @@ static const OSSL_ITEM *core_get_param_types(const OSSL_PROVIDER *prov)
     return param_types;
 }
 
-static int core_get_params(const OSSL_PROVIDER *prov, const OSSL_PARAM params[])
+static int core_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
 {
     int i;
-    const OSSL_PARAM *p;
+    OSSL_PARAM *p;
 
     if ((p = OSSL_PARAM_locate(params, "openssl-version")) != NULL)
         OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR);
@@ -656,9 +663,23 @@ static int core_get_params(const OSSL_PROVIDER *prov, const OSSL_PARAM params[])
     return 1;
 }
 
+static OSSL_core_get_library_context_fn core_get_libctx; /* Check */
+static OPENSSL_CTX *core_get_libctx(const OSSL_PROVIDER *prov)
+{
+    return prov->libctx;
+}
+
+static int core_thread_start(const OSSL_PROVIDER *prov,
+                             OSSL_thread_stop_handler_fn handfn)
+{
+    return ossl_init_thread_start(prov, prov->provctx, handfn);
+}
+
 static const OSSL_DISPATCH core_dispatch_[] = {
     { OSSL_FUNC_CORE_GET_PARAM_TYPES, (void (*)(void))core_get_param_types },
     { OSSL_FUNC_CORE_GET_PARAMS, (void (*)(void))core_get_params },
+    { OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT, (void (*)(void))core_get_libctx },
+    { OSSL_FUNC_CORE_THREAD_START, (void (*)(void))core_thread_start },
     { OSSL_FUNC_CORE_PUT_ERROR, (void (*)(void))ERR_put_error },
     { OSSL_FUNC_CORE_ADD_ERROR_VDATA, (void (*)(void))ERR_add_error_vdata },
     { 0, NULL }