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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2018. 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"
#ifdef HAVE_DYNAMIC_CRYPTO_LIB
# if defined(DEBUG)
char *crypto_callback_name = "crypto_callback.debug";
# elif defined(VALGRIND)
char *crypto_callback_name = "crypto_callback.valgrind";
# else
char *crypto_callback_name = "crypto_callback";
# endif
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_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;
if (argc != 0)
goto bad_arg;
name_sz = strlen(libname);
ver = SSLeay_version(SSLEAY_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));
bad_arg:
err:
return enif_make_badarg(env);
}
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