/*
- * 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
}
/*
- * To identity the method in the EVP method store, we mix the name identity
- * with the operation identity, with the assumption that we don't have more
+ * To identify the method in the EVP method store, we mix the name identity
+ * with the operation identity, under the assumption that we don't have more
* than 2^24 names or more than 2^8 operation types.
*
* The resulting identity is a 32-bit integer, composed like this:
* | name identity | op id |
* +------------------------+--------+
*/
-static uint32_t evp_method_id(unsigned int operation_id, int name_id)
+static uint32_t evp_method_id(int name_id, unsigned int operation_id)
{
- if (!ossl_assert(name_id < (1 << 24) || operation_id < (1 << 8))
- || !ossl_assert(name_id > 0 && operation_id > 0))
+ if (!ossl_assert(name_id > 0 && name_id < (1 << 24))
+ || !ossl_assert(operation_id > 0 && operation_id < (1 << 8)))
return 0;
return ((name_id << 8) & 0xFFFFFF00) | (operation_id & 0x000000FF);
}
}
if (name_id == 0
- || (meth_id = evp_method_id(methdata->operation_id, name_id)) == 0)
+ || (meth_id = evp_method_id(name_id, methdata->operation_id)) == 0)
return NULL;
if (store == NULL
if ((namemap = ossl_namemap_stored(libctx)) == NULL
|| (name_id = ossl_namemap_name2num_n(namemap, names, l)) == 0
- || (meth_id = evp_method_id(operation_id, name_id)) == 0)
+ || (meth_id = evp_method_id(name_id, operation_id)) == 0)
return 0;
if (store == NULL
* about 2^8) or too many names (more than about 2^24). In that case,
* we can't create any new method.
*/
- if (name_id != 0 && (meth_id = evp_method_id(operation_id, name_id)) == 0)
+ if (name_id != 0 && (meth_id = evp_method_id(name_id, operation_id)) == 0)
return NULL;
if (meth_id == 0
*/
if (name_id == 0)
name_id = ossl_namemap_name2num(namemap, name);
- meth_id = evp_method_id(operation_id, name_id);
+ meth_id = evp_method_id(name_id, operation_id);
ossl_method_store_cache_set(store, meth_id, properties, method,
up_ref_method, free_method);
}
int (*up_ref_method)(void *),
void (*free_method)(void *))
{
- return inner_evp_generic_fetch(libctx,
- operation_id, 0, name, properties,
- new_method, up_ref_method, free_method);
+ void *ret = inner_evp_generic_fetch(libctx,
+ operation_id, 0, name, properties,
+ new_method, up_ref_method, free_method);
+
+ if (ret == NULL) {
+ int code = EVP_R_FETCH_FAILED;
+
+#ifdef FIPS_MODULE
+ ERR_raise(ERR_LIB_EVP, code);
+#else
+ ERR_raise_data(ERR_LIB_EVP, code,
+ "%s, Algorithm (%s), Properties (%s)",
+ (openssl_ctx_is_default(libctx)
+ ? "Default library context"
+ : "Non-default library context"),
+ name = NULL ? "<null>" : name,
+ properties == NULL ? "<null>" : properties);
+#endif
+ }
+ return ret;
}
/*
int (*up_ref_method)(void *),
void (*free_method)(void *))
{
- return inner_evp_generic_fetch(libctx,
- operation_id, name_id, NULL, properties,
- new_method, up_ref_method, free_method);
+ void *ret = inner_evp_generic_fetch(libctx,
+ operation_id, name_id, NULL,
+ properties, new_method, up_ref_method,
+ free_method);
+
+ if (ret == NULL) {
+ int code = EVP_R_FETCH_FAILED;
+
+#ifdef FIPS_MODULE
+ ERR_raise(ERR_LIB_EVP, code);
+#else
+ {
+ OSSL_NAMEMAP *namemap = ossl_namemap_stored(libctx);
+ const char *name = (namemap == NULL)
+ ? NULL
+ : ossl_namemap_num2name(namemap, name_id, 0);
+
+ ERR_raise_data(ERR_LIB_EVP, code,
+ "%s, Algorithm (%s), Properties (%s)",
+ (openssl_ctx_is_default(libctx)
+ ? "Default library context"
+ : "Non-default library context"),
+ name = NULL ? "<null>" : name,
+ properties == NULL ? "<null>" : properties);
+ }
+#endif
+ }
+ return ret;
}
int EVP_set_default_properties(OPENSSL_CTX *libctx, const char *propq)
if (store != NULL)
return ossl_method_store_set_global_properties(store, propq);
- EVPerr(EVP_F_EVP_SET_DEFAULT_PROPERTIES, ERR_R_INTERNAL_ERROR);
+ EVPerr(0, ERR_R_INTERNAL_ERROR);
+ return 0;
+}
+
+
+static int evp_default_properties_merge(OPENSSL_CTX *libctx, const char *propq)
+{
+ OSSL_METHOD_STORE *store = get_evp_method_store(libctx);
+
+ if (store != NULL)
+ return ossl_method_store_merge_global_properties(store, propq);
+ EVPerr(0, ERR_R_INTERNAL_ERROR);
return 0;
}
+static int evp_default_property_is_enabled(OPENSSL_CTX *libctx,
+ const char *prop_name)
+{
+ OSSL_METHOD_STORE *store = get_evp_method_store(libctx);
+
+ return ossl_method_store_global_property_is_enabled(store, prop_name);
+}
+
+int EVP_default_properties_is_fips_enabled(OPENSSL_CTX *libctx)
+{
+ return evp_default_property_is_enabled(libctx, "fips");
+}
+
+int EVP_default_properties_enable_fips(OPENSSL_CTX *libctx, int enable)
+{
+ const char *query = (enable != 0) ? "fips=yes" : "-fips";
+
+ return evp_default_properties_merge(libctx, query);
+}
+
+
struct do_all_data_st {
void (*user_fn)(void *method, void *arg);
void *user_arg;
data.free_method = free_method;
data.user_fn = user_fn;
data.user_arg = user_arg;
- ossl_algorithm_do_all(libctx, operation_id, NULL, do_one, &data);
+
+ /*
+ * No pre- or post-condition for this call, as this only creates methods
+ * temporarly and then promptly destroys them.
+ */
+ ossl_algorithm_do_all(libctx, operation_id, NULL, NULL, do_one, NULL,
+ &data);
}
const char *evp_first_name(const OSSL_PROVIDER *prov, int name_id)
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