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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2023. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
#include "info.h"
#if defined(DEBUG)
# define CB_NAME "crypto_callback.debug"
# define COMPILE_TYPE "debug"
#elif defined(VALGRIND)
# define CB_NAME "crypto_callback.valgrind"
# define COMPILE_TYPE "valgrind"
#elif defined(ADDRESS_SANITIZER)
# define CB_NAME "crypto_callback.asan"
# define COMPILE_TYPE "asan"
#else
# define CB_NAME "crypto_callback"
# define COMPILE_TYPE "normal"
#endif
#if defined(HAVE_DYNAMIC_CRYPTO_LIB)
# define LINK_TYPE "dynamic"
#else
# define LINK_TYPE "static"
#endif
#if OPENSSL_VERSION_NUMBER < PACKED_OPENSSL_VERSION_PLAIN(1,1,0)
#define OPENSSL_VERSION SSLEAY_VERSION
#define OpenSSL_version SSLeay_version
#endif
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
char *crypto_callback_name = CB_NAME;
int change_basename(ErlNifBinary* bin, char* buf, size_t bufsz, const char* newfile)
{
size_t i;
size_t newlen;
for (i = bin->size; i > 0; i--) {
if (bin->data[i-1] == '/')
break;
}
newlen = strlen(newfile);
if (i > SIZE_MAX - newlen)
goto err;
if (i + newlen >= bufsz)
goto err;
memcpy(buf, bin->data, i);
strcpy(buf+i, newfile);
return 1;
err:
return 0;
}
void error_handler(void* null, const char* errstr)
{
PRINTF_ERR1("CRYPTO LOADING ERROR: '%s'", errstr);
}
#endif /* HAVE_DYNAMIC_CRYPTO_LIB */
ERL_NIF_TERM info_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{/* () */
ERL_NIF_TERM ret;
ret = enif_make_new_map(env);
enif_make_map_put(env, ret,
enif_make_atom(env,"compile_type"),
enif_make_atom(env, COMPILE_TYPE),
&ret);
enif_make_map_put(env, ret,
enif_make_atom(env, "link_type"),
enif_make_atom(env, LINK_TYPE),
&ret);
enif_make_map_put(env, ret,
enif_make_atom(env, "cryptolib_version_compiled"),
#ifdef OPENSSL_VERSION_TEXT
enif_make_string(env, OPENSSL_VERSION_TEXT, ERL_NIF_LATIN1),
#else
/* Just to be really safe for versions/clones unknown to me lacking this macro */
atom_undefined,
#endif
&ret);
enif_make_map_put(env, ret,
enif_make_atom(env, "cryptolib_version_linked"),
enif_make_string(env, OpenSSL_version(OPENSSL_VERSION), ERL_NIF_LATIN1),
&ret);
#ifdef HAS_3_0_API
enif_make_map_put(env, ret,
enif_make_atom(env, "fips_provider_available"),
OSSL_PROVIDER_available(NULL, "fips") ? atom_true : atom_false,
&ret);
#endif
return ret;
}
ERL_NIF_TERM info_lib(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{/* () */
/* [{<<"OpenSSL">>,9470143,<<"OpenSSL 0.9.8k 25 Mar 2009">>}] */
ERL_NIF_TERM name_term, ver_term;
static const char libname[] = "OpenSSL";
size_t name_sz;
const char* ver;
size_t ver_sz;
int ver_num;
unsigned char *out_name, *out_ver;
ASSERT(argc == 0);
name_sz = strlen(libname);
ver = OpenSSL_version(OPENSSL_VERSION);
ver_sz = strlen(ver);
ver_num = OPENSSL_VERSION_NUMBER;
/* R16:
* Ignore library version number from SSLeay() and instead show header
* version. Otherwise user might try to call a function that is implemented
* by a newer library but not supported by the headers used at compile time.
* Example: DES_ede3_cfb_encrypt in 0.9.7i but not in 0.9.7d.
*
* Version string is still from library though.
*/
if ((out_name = enif_make_new_binary(env, name_sz, &name_term)) == NULL)
goto err;
if ((out_ver = enif_make_new_binary(env, ver_sz, &ver_term)) == NULL)
goto err;
memcpy(out_name, libname, name_sz);
memcpy(out_ver, ver, ver_sz);
return enif_make_list1(env, enif_make_tuple3(env, name_term,
enif_make_int(env, ver_num),
ver_term));
err:
return enif_make_badarg(env);
}
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