isc_result_t
dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
isc_result_t result;
REQUIRE(mctx != NULL && ectx != NULL);
REQUIRE(dst_initialized == ISC_FALSE);
dst__memory_pool = NULL;
#ifdef OPENSSL
UNUSED(mctx);
/*
* When using --with-openssl, there seems to be no good way of not
* leaking memory due to the openssl error handling mechanism.
* Avoid assertions by using a local memory context and not checking
* for leaks on exit. Note: as there are leaks we cannot use
* ISC_MEMFLAG_INTERNAL as it will free up memory still being used
* by libcrypto.
*/
result = isc_mem_createx2(0, 0, default_memalloc, default_memfree,
NULL, &dst__memory_pool, 0);
if (result != ISC_R_SUCCESS)
return (result);
isc_mem_setdestroycheck(dst__memory_pool, ISC_FALSE);
#else
isc_mem_attach(mctx, &dst__memory_pool);
#endif
isc_entropy_attach(ectx, &dst_entropy_pool);
dst_entropy_flags = eflags;
dst_result_register();
memset(dst_t_func, 0, sizeof(dst_t_func));
RETERR(dst__hmacmd5_init(&dst_t_func[DST_ALG_HMACMD5]));
RETERR(dst__hmacsha1_init(&dst_t_func[DST_ALG_HMACSHA1]));
RETERR(dst__hmacsha224_init(&dst_t_func[DST_ALG_HMACSHA224]));
RETERR(dst__hmacsha256_init(&dst_t_func[DST_ALG_HMACSHA256]));
RETERR(dst__hmacsha384_init(&dst_t_func[DST_ALG_HMACSHA384]));
RETERR(dst__hmacsha512_init(&dst_t_func[DST_ALG_HMACSHA512]));
#ifdef OPENSSL
RETERR(dst__openssl_init());
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSAMD5]));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSASHA1]));
#ifdef HAVE_OPENSSL_DSA
RETERR(dst__openssldsa_init(&dst_t_func[DST_ALG_DSA]));
#endif
RETERR(dst__openssldh_init(&dst_t_func[DST_ALG_DH]));
#endif /* OPENSSL */
#ifdef GSSAPI
RETERR(dst__gssapi_init(&dst_t_func[DST_ALG_GSSAPI]));
#endif
dst_initialized = ISC_TRUE;
return (ISC_R_SUCCESS);
out:
dst_lib_destroy();
return (result);
}
isc_result_t
dst_lib_init2(isc_mem_t *mctx, isc_entropy_t *ectx,
const char *engine, unsigned int eflags) {
isc_result_t result;
REQUIRE(mctx != NULL);
UNUSED(ectx);
REQUIRE(dst_initialized == ISC_FALSE);
#if !defined(OPENSSL) && !defined(PKCS11CRYPTO)
UNUSED(engine);
#endif
dst__memory_pool = NULL;
#if defined(OPENSSL)
UNUSED(mctx);
/*
* When using --with-openssl, there seems to be no good way of not
* leaking memory due to the openssl error handling mechanism.
* Avoid assertions by using a local memory context and not checking
* for leaks on exit. Note: as there are leaks we cannot use
* ISC_MEMFLAG_INTERNAL as it will free up memory still being used
* by libcrypto.
*/
result = isc_mem_createx2(0, 0, default_memalloc, default_memfree,
NULL, &dst__memory_pool, 0);
if (result != ISC_R_SUCCESS)
return (result);
isc_mem_setname(dst__memory_pool, "dst", NULL);
#ifndef OPENSSL_LEAKS
isc_mem_setdestroycheck(dst__memory_pool, ISC_FALSE);
#endif
#else /* OPENSSL */
isc_mem_attach(mctx, &dst__memory_pool);
#endif /* OPENSSL */
if (ectx != NULL) {
isc_entropy_attach(ectx, &dst_entropy_pool);
dst_entropy_flags = eflags;
}
dst_result_register();
memset(dst_t_func, 0, sizeof(dst_t_func));
RETERR(dst__hmacmd5_init(&dst_t_func[DST_ALG_HMACMD5]));
RETERR(dst__hmacsha1_init(&dst_t_func[DST_ALG_HMACSHA1]));
RETERR(dst__hmacsha224_init(&dst_t_func[DST_ALG_HMACSHA224]));
RETERR(dst__hmacsha256_init(&dst_t_func[DST_ALG_HMACSHA256]));
RETERR(dst__hmacsha384_init(&dst_t_func[DST_ALG_HMACSHA384]));
RETERR(dst__hmacsha512_init(&dst_t_func[DST_ALG_HMACSHA512]));
#ifdef OPENSSL
RETERR(dst__openssl_init(engine));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSAMD5],
DST_ALG_RSAMD5));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSASHA1],
DST_ALG_RSASHA1));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_NSEC3RSASHA1],
DST_ALG_NSEC3RSASHA1));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSASHA256],
DST_ALG_RSASHA256));
RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSASHA512],
DST_ALG_RSASHA512));
#ifdef HAVE_OPENSSL_DSA
RETERR(dst__openssldsa_init(&dst_t_func[DST_ALG_DSA]));
RETERR(dst__openssldsa_init(&dst_t_func[DST_ALG_NSEC3DSA]));
#endif
RETERR(dst__openssldh_init(&dst_t_func[DST_ALG_DH]));
#ifdef HAVE_OPENSSL_GOST
RETERR(dst__opensslgost_init(&dst_t_func[DST_ALG_ECCGOST]));
#endif
#ifdef HAVE_OPENSSL_ECDSA
RETERR(dst__opensslecdsa_init(&dst_t_func[DST_ALG_ECDSA256]));
RETERR(dst__opensslecdsa_init(&dst_t_func[DST_ALG_ECDSA384]));
#endif
#elif PKCS11CRYPTO
RETERR(dst__pkcs11_init(mctx, engine));
RETERR(dst__pkcs11rsa_init(&dst_t_func[DST_ALG_RSAMD5]));
RETERR(dst__pkcs11rsa_init(&dst_t_func[DST_ALG_RSASHA1]));
RETERR(dst__pkcs11rsa_init(&dst_t_func[DST_ALG_NSEC3RSASHA1]));
RETERR(dst__pkcs11rsa_init(&dst_t_func[DST_ALG_RSASHA256]));
RETERR(dst__pkcs11rsa_init(&dst_t_func[DST_ALG_RSASHA512]));
RETERR(dst__pkcs11dsa_init(&dst_t_func[DST_ALG_DSA]));
RETERR(dst__pkcs11dsa_init(&dst_t_func[DST_ALG_NSEC3DSA]));
RETERR(dst__pkcs11dh_init(&dst_t_func[DST_ALG_DH]));
#ifdef HAVE_PKCS11_ECDSA
RETERR(dst__pkcs11ecdsa_init(&dst_t_func[DST_ALG_ECDSA256]));
RETERR(dst__pkcs11ecdsa_init(&dst_t_func[DST_ALG_ECDSA384]));
#endif
#ifdef HAVE_PKCS11_GOST
RETERR(dst__pkcs11gost_init(&dst_t_func[DST_ALG_ECCGOST]));
#endif
#endif /* if OPENSSL, elif PKCS11CRYPTO */
#ifdef GSSAPI
RETERR(dst__gssapi_init(&dst_t_func[DST_ALG_GSSAPI]));
#endif
dst_initialized = ISC_TRUE;
return (ISC_R_SUCCESS);
out:
/* avoid immediate crash! */
dst_initialized = ISC_TRUE;
dst_lib_destroy();
return (result);
}