#include <stdio.h>
#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/engine.h>
#include <openssl/dso.h>
#include <openssl/pem.h>
#include <openssl/evp.h>
#define TEST_ENG_OPENSSL_RC4
#define TEST_ENG_OPENSSL_PKEY
#define TEST_ENG_OPENSSL_RC4_P_INIT
#define TEST_ENG_OPENSSL_SHA
#ifdef OPENSSL_NO_RC4
#undef TEST_ENG_OPENSSL_RC4
#undef TEST_ENG_OPENSSL_RC4_OTHERS
#undef TEST_ENG_OPENSSL_RC4_P_INIT
#undef TEST_ENG_OPENSSL_RC4_P_CIPHER
#endif
#if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA0) || defined(OPENSSL_NO_SHA1)
#undef TEST_ENG_OPENSSL_SHA
#undef TEST_ENG_OPENSSL_SHA_OTHERS
#undef TEST_ENG_OPENSSL_SHA_P_INIT
#undef TEST_ENG_OPENSSL_SHA_P_UPDATE
#undef TEST_ENG_OPENSSL_SHA_P_FINAL
#endif
#ifdef TEST_ENG_OPENSSL_RC4
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid);
#endif
#ifdef TEST_ENG_OPENSSL_SHA
static int openssl_digests(ENGINE *e, const EVP_MD **digest,
const int **nids, int nid);
#endif
#ifdef TEST_ENG_OPENSSL_PKEY
static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
UI_METHOD *ui_method, void *callback_data);
#endif
static const char *engine_openssl_id = "openssl";
static const char *engine_openssl_name = "Software engine support";
static int bind_helper(ENGINE *e)
{
if(!ENGINE_set_id(e, engine_openssl_id)
|| !ENGINE_set_name(e, engine_openssl_name)
#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
#ifndef OPENSSL_NO_RSA
|| !ENGINE_set_RSA(e, RSA_get_default_method())
#endif
#ifndef OPENSSL_NO_DSA
|| !ENGINE_set_DSA(e, DSA_get_default_method())
#endif
#ifndef OPENSSL_NO_DH
|| !ENGINE_set_DH(e, DH_get_default_method())
#endif
|| !ENGINE_set_RAND(e, RAND_SSLeay())
#ifdef TEST_ENG_OPENSSL_RC4
|| !ENGINE_set_ciphers(e, openssl_ciphers)
#endif
#ifdef TEST_ENG_OPENSSL_SHA
|| !ENGINE_set_digests(e, openssl_digests)
#endif
#endif
#ifdef TEST_ENG_OPENSSL_PKEY
|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
#endif
)
return 0;
return 1;
}
static ENGINE *engine_openssl(void)
{
ENGINE *ret = ENGINE_new();
if(!ret)
return NULL;
if(!bind_helper(ret))
{
ENGINE_free(ret);
return NULL;
}
return ret;
}
void ENGINE_load_openssl(void)
{
ENGINE *toadd = engine_openssl();
if(!toadd) return;
ENGINE_add(toadd);
ENGINE_free(toadd);
ERR_clear_error();
}
#ifdef ENGINE_DYNAMIC_SUPPORT
static int bind_fn(ENGINE *e, const char *id)
{
if(id && (strcmp(id, engine_openssl_id) != 0))
return 0;
if(!bind_helper(e))
return 0;
return 1;
}
IMPLEMENT_DYNAMIC_CHECK_FN()
IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
#endif
#ifdef TEST_ENG_OPENSSL_RC4
#include <openssl/rc4.h>
#define TEST_RC4_KEY_SIZE 16
static int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
static int test_cipher_nids_number = 2;
typedef struct {
unsigned char key[TEST_RC4_KEY_SIZE];
RC4_KEY ks;
} TEST_RC4_KEY;
#define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
#ifdef TEST_ENG_OPENSSL_RC4_P_INIT
fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
#endif
memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx));
RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
test(ctx)->key);
return 1;
}
static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
#ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
#endif
RC4(&test(ctx)->ks,inl,in,out);
return 1;
}
static const EVP_CIPHER test_r4_cipher=
{
NID_rc4,
1,TEST_RC4_KEY_SIZE,0,
EVP_CIPH_VARIABLE_LENGTH,
test_rc4_init_key,
test_rc4_cipher,
NULL,
sizeof(TEST_RC4_KEY),
NULL,
NULL,
NULL
};
static const EVP_CIPHER test_r4_40_cipher=
{
NID_rc4_40,
1,5 ,0,
EVP_CIPH_VARIABLE_LENGTH,
test_rc4_init_key,
test_rc4_cipher,
NULL,
sizeof(TEST_RC4_KEY),
NULL,
NULL,
NULL
};
static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid)
{
if(!cipher)
{
*nids = test_cipher_nids;
return test_cipher_nids_number;
}
if(nid == NID_rc4)
*cipher = &test_r4_cipher;
else if(nid == NID_rc4_40)
*cipher = &test_r4_40_cipher;
else
{
#ifdef TEST_ENG_OPENSSL_RC4_OTHERS
fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
"nid %d\n", nid);
#endif
*cipher = NULL;
return 0;
}
return 1;
}
#endif
#ifdef TEST_ENG_OPENSSL_SHA
#include <openssl/sha.h>
static int test_digest_nids[] = {NID_sha1};
static int test_digest_nids_number = 1;
static int test_sha1_init(EVP_MD_CTX *ctx)
{
#ifdef TEST_ENG_OPENSSL_SHA_P_INIT
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
#endif
return SHA1_Init(ctx->md_data);
}
static int test_sha1_update(EVP_MD_CTX *ctx,const void *data,unsigned long count)
{
#ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
#endif
return SHA1_Update(ctx->md_data,data,count);
}
static int test_sha1_final(EVP_MD_CTX *ctx,unsigned char *md)
{
#ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
#endif
return SHA1_Final(md,ctx->md_data);
}
static const EVP_MD test_sha_md=
{
NID_sha1,
NID_sha1WithRSAEncryption,
SHA_DIGEST_LENGTH,
0,
test_sha1_init,
test_sha1_update,
test_sha1_final,
NULL,
NULL,
EVP_PKEY_RSA_method,
SHA_CBLOCK,
sizeof(EVP_MD *)+sizeof(SHA_CTX),
};
static int openssl_digests(ENGINE *e, const EVP_MD **digest,
const int **nids, int nid)
{
if(!digest)
{
*nids = test_digest_nids;
return test_digest_nids_number;
}
if(nid == NID_sha1)
*digest = &test_sha_md;
else
{
#ifdef TEST_ENG_OPENSSL_SHA_OTHERS
fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
"nid %d\n", nid);
#endif
*digest = NULL;
return 0;
}
return 1;
}
#endif
#ifdef TEST_ENG_OPENSSL_PKEY
static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
UI_METHOD *ui_method, void *callback_data)
{
BIO *in;
EVP_PKEY *key;
fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n", key_id);
in = BIO_new_file(key_id, "r");
if (!in)
return NULL;
key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
BIO_free(in);
return key;
}
#endif