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Add OSSL_PROVIDER_do_all() 

This allows applications to iterate over all loaded providers.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11858)
This commit is contained in:
Richard Levitte 2020-05-18 12:43:12 +02:00
parent b2a5001d95
commit a7ad40c502
4 changed files with 20 additions and 1 deletions
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8
crypto/provider.c
View File

@ -85,3 +85,11 @@ const char *OSSL_PROVIDER_name(const OSSL_PROVIDER *prov)
{
return ossl_provider_name(prov);
}
int OSSL_PROVIDER_do_all(OPENSSL_CTX *ctx,
int (*cb)(OSSL_PROVIDER *provider,
void *cbdata),
void *cbdata)
{
return ossl_provider_forall_loaded(ctx, cb, cbdata);
}

9
doc/man3/OSSL_PROVIDER.pod
View File

@ -4,7 +4,7 @@
OSSL_PROVIDER_set_default_search_path,
OSSL_PROVIDER, OSSL_PROVIDER_load, OSSL_PROVIDER_unload,
OSSL_PROVIDER_available,
OSSL_PROVIDER_available, OSSL_PROVIDER_do_all,
OSSL_PROVIDER_gettable_params, OSSL_PROVIDER_get_params,
OSSL_PROVIDER_add_builtin, OSSL_PROVIDER_name - provider routines
@ -20,6 +20,9 @@ OSSL_PROVIDER_add_builtin, OSSL_PROVIDER_name - provider routines
OSSL_PROVIDER *OSSL_PROVIDER_load(OPENSSL_CTX *libctx, const char *name);
int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
int OSSL_PROVIDER_available(OPENSSL_CTX *libctx, const char *name);
int OSSL_PROVIDER_do_all(OPENSSL_CTX *ctx,
int (*cb)(OSSL_PROVIDER *provider, void *cbdata),
void *cbdata);
const OSSL_PARAM *OSSL_PROVIDER_gettable_params(OSSL_PROVIDER *prov);
int OSSL_PROVIDER_get_params(OSSL_PROVIDER *prov, OSSL_PARAM params[]);
@ -66,6 +69,10 @@ runs its teardown function.
OSSL_PROVIDER_available() checks if a named provider is available
for use.
OSSL_PROVIDER_do_all() iterates over all loaded providers, calling
I<cb> for each one, with the current provider in I<provider> and the
I<cbdata> that comes from the caller.
OSSL_PROVIDER_gettable_params() is used to get a provider parameter
descriptor set as a constant B<OSSL_PARAM> array.
See L<OSSL_PARAM(3)> for more information.

3
include/openssl/provider.h
View File

@ -23,6 +23,9 @@ int OSSL_PROVIDER_set_default_search_path(OPENSSL_CTX *, const char *path);
OSSL_PROVIDER *OSSL_PROVIDER_load(OPENSSL_CTX *, const char *name);
int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov);
int OSSL_PROVIDER_available(OPENSSL_CTX *, const char *name);
int OSSL_PROVIDER_do_all(OPENSSL_CTX *ctx,
int (*cb)(OSSL_PROVIDER *provider, void *cbdata),
void *cbdata);
const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov);
int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]);

1
util/libcrypto.num
View File

@ -5092,3 +5092,4 @@ OSSL_STORE_LOADER_set_attach ? 3_0_0 EXIST::FUNCTION:
EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen ? 3_0_0 EXIST::FUNCTION:RSA
EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md ? 3_0_0 EXIST::FUNCTION:RSA
EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md_name ? 3_0_0 EXIST::FUNCTION:RSA
OSSL_PROVIDER_do_all ? 3_0_0 EXIST::FUNCTION: