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Force OpenSSL to use Kore allocators.

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LibreSSL does not support this, which is fair as its designed
for OpenBSD which has malloc and friends that do nice things.
This commit is contained in:
Joris Vink 2023-01-05 19:23:24 +01:00
parent 4a9c7efda7
commit 922ce7fefb
1 changed files with 33 additions and 0 deletions
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33
src/tls_openssl.c
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@ -76,6 +76,12 @@ static int tls_keymgr_rsa_finish(RSA *);
static int tls_keymgr_rsa_privenc(int, const unsigned char *,
unsigned char *, RSA *, int);
#if !defined(LIBRESSL_VERSION_NUMBER)
static void tls_free(void *, const char *, int);
static void *tls_malloc(size_t, const char *, int);
static void *tls_realloc(void *, size_t, const char *, int);
#endif
static DH *dh_params = NULL;
static RSA_METHOD *keymgr_rsa_meth = NULL;
static int tls_version = KORE_TLS_VERSION_BOTH;
@ -102,6 +108,13 @@ kore_tls_supported(void)
void
kore_tls_init(void)
{
#if !defined(LIBRESSL_VERSION_NUMBER)
if (!CRYPTO_set_mem_functions(tls_malloc, tls_realloc, tls_free))
fatalx("CRYPTO_set_mem_functions failed");
#else
kore_log(LOG_NOTICE, "libressl does not support malloc-wrappers");
#endif
SSL_library_init();
SSL_load_error_strings();
ERR_load_crypto_strings();
@ -1144,6 +1157,26 @@ tls_privsep_private_key(EVP_PKEY *pub, struct kore_domain *dom)
return (pkey);
}
#if !defined(LIBRESSL_VERSION_NUMBER)
static void *
tls_malloc(size_t len, const char *file, int line)
{
return (kore_malloc(len));
}
static void *
tls_realloc(void *ptr, size_t len, const char *file, int line)
{
return (kore_realloc(ptr, len));
}
static void
tls_free(void *ptr, const char *file, int line)
{
kore_free(ptr);
}
#endif
#if defined(KORE_USE_ACME)
static int
tls_acme_alpn(SSL *ssl, const unsigned char **out, unsigned char *outlen,