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Fix OpenSSL 1.1.0 compatibility

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If backward-compatible API is not defined (-DOPENSSL_API_COMPAT=0x10100000L)
deprecated symbols cannot be used.

Also see https://bugs.gentoo.org/show_bug.cgi?id=604698

Thanks eroen for reporting this.
This commit is contained in:
Milan Broz
2017-01-05 09:06:31 +01:00
parent 4f223476f8
commit 68a140d0c5
1 changed files with 40 additions and 21 deletions
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61
lib/crypto_backend/crypto_openssl.c
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@@ -49,31 +49,20 @@ struct crypt_hmac {
int hash_len; int hash_len;
}; };
int crypt_backend_init(struct crypt_device *ctx)
{
if (crypto_backend_initialised)
return 0;
OpenSSL_add_all_algorithms();
crypto_backend_initialised = 1;
return 0;
}
uint32_t crypt_backend_flags(void)
{
return 0;
}
const char *crypt_backend_version(void)
{
return SSLeay_version(SSLEAY_VERSION);
}
/* /*
* Compatible wrappers for OpenSSL < 1.1.0 * Compatible wrappers for OpenSSL < 1.1.0
*/ */
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) #if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
static void openssl_backend_init(void)
{
OpenSSL_add_all_algorithms();
}
static const char *openssl_backend_version(void)
{
return SSLeay_version(SSLEAY_VERSION);
}
static EVP_MD_CTX *EVP_MD_CTX_new(void) static EVP_MD_CTX *EVP_MD_CTX_new(void)
{ {
EVP_MD_CTX *md = malloc(sizeof(*md)); EVP_MD_CTX *md = malloc(sizeof(*md));
@@ -105,8 +94,38 @@ static void HMAC_CTX_free(HMAC_CTX *md)
HMAC_CTX_cleanup(md); HMAC_CTX_cleanup(md);
free(md); free(md);
} }
#else
static void openssl_backend_init(void)
{
}
static const char *openssl_backend_version(void)
{
return OpenSSL_version(OPENSSL_VERSION);
}
#endif #endif
int crypt_backend_init(struct crypt_device *ctx)
{
if (crypto_backend_initialised)
return 0;
openssl_backend_init();
crypto_backend_initialised = 1;
return 0;
}
uint32_t crypt_backend_flags(void)
{
return 0;
}
const char *crypt_backend_version(void)
{
return openssl_backend_version();
}
/* HASH */ /* HASH */
int crypt_hash_size(const char *name) int crypt_hash_size(const char *name)
{ {