path: root/dev-lua/lua-openssl/files/0001-fix-libressl-compat.patch

From 44d5360d0caed1f4f364691f789fe825fcd17a3e Mon Sep 17 00:00:00 2001
From: crito <crito@fnordpipe.org>
Date: Mon, 1 Oct 2018 20:10:05 +0200
Subject: [PATCH] fix libressl compat

add conditions to build with libressl and add missing functions.
backported from upstream repo.
---
 src/compat.c  | 11 ++++++++---
 src/digest.c  |  2 +-
 src/ec.c      |  2 +-
 src/engine.c  | 10 +++++-----
 src/lhash.c   |  7 ++++---
 src/openssl.c | 12 ++++++++++--
 src/ots.c     |  5 +++++
 src/pkcs7.c   | 24 ++++++++++++------------
 src/private.h |  7 ++++---
 src/sm2.c     |  2 +-
 src/srp.c     |  3 ++-
 src/x509.c    |  2 +-
 12 files changed, 54 insertions(+), 33 deletions(-)

diff --git a/src/compat.c b/src/compat.c
index cc4cc21..cc45845 100644
--- a/src/compat.c
+++ b/src/compat.c
@@ -5,7 +5,7 @@
 #include "openssl.h"
 #include "private.h"
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 int BIO_up_ref(BIO *b)
 {
   CRYPTO_add(&b->references, 1, CRYPTO_LOCK_BIO);
@@ -16,6 +16,11 @@ int X509_up_ref(X509 *x)
   CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
   return 1;
 }
+int X509_CRL_up_ref(X509_CRL *x)
+{
+  int refs = CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
+  return (refs > 1) ? 1 : 0;
+}
 int X509_STORE_up_ref(X509_STORE *s)
 {
   CRYPTO_add(&s->references, 1, CRYPTO_LOCK_X509_STORE);
@@ -464,7 +469,7 @@ const ASN1_BIT_STRING *TS_STATUS_INFO_get0_failure_info(const TS_STATUS_INFO *a)
   return a->failure_info;
 }
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L
+#if OPENSSL_VERSION_NUMBER < 0x10002000L || defined(LIBRESSL_VERSION_NUMBER)
 int i2d_re_X509_tbs(X509 *x, unsigned char **pp)
 {
   x->cert_info->enc.modified = 1;
@@ -527,4 +532,4 @@ unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
   return ctx->imprint;
 }
 
-#endif /* < 1.1.0 */
\ No newline at end of file
+#endif /* < 1.1.0 */
diff --git a/src/digest.c b/src/digest.c
index 02e8fe1..0dcf65b 100644
--- a/src/digest.c
+++ b/src/digest.c
@@ -468,7 +468,7 @@ restore md data
 static LUA_FUNCTION(openssl_digest_ctx_data)
 {
   EVP_MD_CTX *ctx = CHECK_OBJECT(1, EVP_MD_CTX, "openssl.evp_digest_ctx");
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
   if (lua_isnone(L, 2))
   {
     lua_pushlstring(L, ctx->md_data, ctx->digest->ctx_size);
diff --git a/src/ec.c b/src/ec.c
index f0d2b6b..5db32db 100644
--- a/src/ec.c
+++ b/src/ec.c
@@ -611,7 +611,7 @@ static int openssl_ecdsa_set_method(lua_State *L)
 {
   EC_KEY *ec = CHECK_OBJECT(1, EC_KEY, "openssl.ec_key");
   ENGINE *e = CHECK_OBJECT(2, ENGINE, "openssl.engine");
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
   const ECDSA_METHOD *m = ENGINE_get_ECDSA(e);
   if (m) {
     int r = ECDSA_set_method(ec, m);
diff --git a/src/engine.c b/src/engine.c
index 1a26d8b..f12ca53 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -14,7 +14,7 @@ enum
 {
   TYPE_RSA,
   TYPE_DSA,
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
   TYPE_ECDH,
   TYPE_ECDSA,
 #else
@@ -24,7 +24,7 @@ enum
   TYPE_RAND,
   TYPE_CIPHERS,
   TYPE_DIGESTS,
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
   TYPE_STORE,
 #else
   TYPE_PKEY_METHODS,
@@ -150,7 +150,7 @@ static int openssl_engine_register(lua_State*L)
       else
         ENGINE_register_DSA(eng);
       break;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     case TYPE_ECDH:
       if (unregister)
         ENGINE_unregister_ECDH(eng);
@@ -183,7 +183,7 @@ static int openssl_engine_register(lua_State*L)
       else
         ENGINE_register_RAND(eng);
       break;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     case TYPE_STORE:
       if (unregister)
         ENGINE_unregister_STORE(eng);
@@ -392,7 +392,7 @@ static int openssl_engine_set_default(lua_State*L)
     case TYPE_DSA:
       ret = ENGINE_set_default_DSA(eng);
       break;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     case TYPE_ECDH:
       ret = ENGINE_set_default_ECDH(eng);
       break;
diff --git a/src/lhash.c b/src/lhash.c
index 564bb52..8057efb 100644
--- a/src/lhash.c
+++ b/src/lhash.c
@@ -130,21 +130,22 @@ static void dump_value_doall_arg(CONF_VALUE *a, lua_State *L)
   }
 }
 
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
 IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, lua_State);
 #elif OPENSSL_VERSION_NUMBER >= 0x10000002L
 static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, lua_State)
 #endif
+#if !defined(LIBRESSL_VERSION_NUMBER)
 #define LHM_lh_doall_arg(type, lh, fn, arg_type, arg) \
   lh_doall_arg(CHECKED_LHASH_OF(type, lh), fn, CHECKED_PTR_OF(arg_type, arg))
-
+#endif
 
 static LUA_FUNCTION(openssl_lhash_parse)
 {
   LHASH* lhash = CHECK_OBJECT(1, LHASH, "openssl.lhash");
 
   lua_newtable(L);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
   lh_CONF_VALUE_doall_lua_State(lhash, dump_value_doall_arg, L);
 #elif OPENSSL_VERSION_NUMBER >= 0x10000002L
   lh_CONF_VALUE_doall_arg(lhash, LHASH_DOALL_ARG_FN(dump_value), lua_State, L);
diff --git a/src/openssl.c b/src/openssl.c
index 994c22b..debea63 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -338,6 +338,9 @@ get FIPS mode
 */
 static int openssl_fips_mode(lua_State *L)
 {
+#if defined(LIBRESSL_VERSION_NUMBER)
+  return 0;
+#else
   int ret =0, on = 0;
   if(lua_isnone(L, 1))
   {
@@ -353,6 +356,7 @@ static int openssl_fips_mode(lua_State *L)
   else
     ret = openssl_pushresult(L, ret);
   return ret;
+#endif
 }
 
 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
@@ -405,7 +409,9 @@ void CRYPTO_thread_cleanup(void);
 
 static int luaclose_openssl(lua_State *L)
 {
+#if !defined(LIBRESSL_VERSION_NUMBER)
   FIPS_mode_set(0);
+#endif
 #if defined(OPENSSL_THREADS)
   CRYPTO_thread_cleanup();
 #endif
@@ -421,7 +427,7 @@ static int luaclose_openssl(lua_State *L)
   CRYPTO_cleanup_all_ex_data();
 #ifndef OPENSSL_NO_CRYPTO_MDEBUG
 #if !(defined(OPENSSL_NO_STDIO) || defined(OPENSSL_NO_FP_API))
-#if OPENSSL_VERSION_NUMBER < 0x10101000L
+#if OPENSSL_VERSION_NUMBER < 0x10101000L || defined(LIBRESSL_VERSION_NUMBER)
   CRYPTO_mem_leaks_fp(stderr);
 #else
   if(CRYPTO_mem_leaks_fp(stderr)!=1)
@@ -541,13 +547,15 @@ LUALIB_API int luaopen_openssl(lua_State*L)
   luaopen_dh(L);
   lua_setfield(L, -2, "dh");
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10101007L) && !defined(OPENSSL_NO_SM2)
+#if (OPENSSL_VERSION_NUMBER >= 0x10101007L) && !defined(OPENSSL_NO_SM2) && !defined(LIBRESSL_VERSION_NUMBER)
   luaopen_sm2(L);
   lua_setfield(L, -2, "sm2");
 #endif
 
+#if !defined(LIBRESSL_VERSION_NUMBER)
   luaopen_srp(L);
   lua_setfield(L, -2, "srp");
+#endif
 
 #ifdef ENABLE_OPENSSL_GLOBAL
   lua_pushvalue(L, -1);
diff --git a/src/ots.c b/src/ots.c
index 6b75946..762d17e 100644
--- a/src/ots.c
+++ b/src/ots.c
@@ -1265,7 +1265,12 @@ static LUA_FUNCTION(openssl_ts_resp_ctx_set_time_cb)
   arg->cb_arg = luaL_ref(L, LUA_REGISTRYINDEX);
 
   openssl_valueset(L, ctx, time_cb_key);
+#if defined(LIBRESSL_VERSION_NUMBER)
+  ctx->time_cb = openssl_time_cb;
+  ctx->time_cb_data = L;
+#else
   TS_RESP_CTX_set_time_cb(ctx, openssl_time_cb, L);
+#endif
   return 0;
 }
 
diff --git a/src/pkcs7.c b/src/pkcs7.c
index f043c86..f0e5221 100644
--- a/src/pkcs7.c
+++ b/src/pkcs7.c
@@ -346,7 +346,7 @@ static int openssl_pkcs7_dataFinal(PKCS7 *p7, BIO *bio)
     os = p7->d.signed_and_enveloped->enc_data->enc_data;
     if (!os)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       os = M_ASN1_OCTET_STRING_new();
 #else
       os = ASN1_OCTET_STRING_new();
@@ -364,7 +364,7 @@ static int openssl_pkcs7_dataFinal(PKCS7 *p7, BIO *bio)
     os = p7->d.enveloped->enc_data->enc_data;
     if (!os)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       os = M_ASN1_OCTET_STRING_new();
 #else
       os = ASN1_OCTET_STRING_new();
@@ -383,7 +383,7 @@ static int openssl_pkcs7_dataFinal(PKCS7 *p7, BIO *bio)
     /* If detached data then the content is excluded */
     if (PKCS7_type_is_data(p7->d.sign->contents) && p7->detached)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       M_ASN1_OCTET_STRING_free(os);
 #else
       ASN1_OCTET_STRING_free(os);
@@ -398,7 +398,7 @@ static int openssl_pkcs7_dataFinal(PKCS7 *p7, BIO *bio)
     /* If detached data then the content is excluded */
     if (PKCS7_type_is_data(p7->d.digest->contents) && p7->detached)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       M_ASN1_OCTET_STRING_free(os);
 #else
       ASN1_OCTET_STRING_free(os);
@@ -474,7 +474,7 @@ static int openssl_pkcs7_dataFinal(PKCS7 *p7, BIO *bio)
       goto err;
     if (!EVP_DigestFinal_ex(mdc, md_data, &md_len))
       goto err;
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     M_ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len);
 #else
     ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len);
@@ -577,7 +577,7 @@ int PKCS7_signatureVerify_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si, X509 *x509,
 
   md_type = OBJ_obj2nid(si->digest_alg->algorithm);
   md = EVP_get_digestbynid(md_type);
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
   if (!md || !data || (hash && len != (size_t) md->ctx_size) )
     goto err;
 
@@ -1137,7 +1137,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
     os = p7->d.signed_and_enveloped->enc_data->enc_data;
     if (!os)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       os = M_ASN1_OCTET_STRING_new();
 #else
       os = ASN1_OCTET_STRING_new();
@@ -1155,7 +1155,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
     os = p7->d.enveloped->enc_data->enc_data;
     if (!os)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       os = M_ASN1_OCTET_STRING_new();
 #else
       os = ASN1_OCTET_STRING_new();
@@ -1174,7 +1174,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
     /* If detached data then the content is excluded */
     if (PKCS7_type_is_data(p7->d.sign->contents) && p7->detached)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       M_ASN1_OCTET_STRING_free(os);
 #else
       ASN1_OCTET_STRING_free(os);
@@ -1189,7 +1189,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
     /* If detached data then the content is excluded */
     if (PKCS7_type_is_data(p7->d.digest->contents) && p7->detached)
     {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
       M_ASN1_OCTET_STRING_free(os);
 #else
       ASN1_OCTET_STRING_free(os);
@@ -1217,7 +1217,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
 
       if (hash)
       {
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
         if (l == (size_t) mdc->digest->ctx_size)
         {
           memcpy(mdc->md_data, data, l);
@@ -1272,7 +1272,7 @@ static LUA_FUNCTION(openssl_pkcs7_sign_digest)
     unsigned int md_len;
     md = EVP_get_digestbynid(OBJ_obj2nid(p7->d.digest->md->algorithm));
     EVP_DigestInit_ex(mdc, md, NULL);
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     if (l == (size_t) mdc->digest->ctx_size)
     {
       memcpy(mdc->md_data, data, l);
diff --git a/src/private.h b/src/private.h
index 8e9d5b8..7140cae 100644
--- a/src/private.h
+++ b/src/private.h
@@ -46,9 +46,10 @@ extern "C" {
   luaL_getmetatable(L,"openssl.bn");                    \
   lua_setmetatable(L,-2)
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 int BIO_up_ref(BIO *b);
 int X509_up_ref(X509 *x);
+int X509_CRL_up_ref(X509_CRL *x);
 int X509_STORE_up_ref(X509_STORE *s);
 int EVP_PKEY_up_ref(EVP_PKEY *pkey);
 
@@ -124,12 +125,12 @@ STACK_OF(X509) *TS_VERIFY_CTS_set_certs(TS_VERIFY_CTX *ctx,
 unsigned char *TS_VERIFY_CTX_set_imprint(TS_VERIFY_CTX *ctx,
     unsigned char *hexstr, long len);
 
-#if OPENSSL_VERSION_NUMBER < 0x10002000L
+#if OPENSSL_VERSION_NUMBER < 0x10002000L || defined(LIBRESSL_VERSION_NUMBER)
 int i2d_re_X509_tbs(X509 *x, unsigned char **pp);
+#endif
 void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
                          const X509 *x);
 int X509_get_signature_nid(const X509 *x);
-#endif
 
 #endif
 
diff --git a/src/sm2.c b/src/sm2.c
index 0655888..1db3198 100644
--- a/src/sm2.c
+++ b/src/sm2.c
@@ -1,7 +1,7 @@
 #include "openssl.h"
 #include "private.h"
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10101007L) && !defined(OPENSSL_NO_SM2)
+#if (OPENSSL_VERSION_NUMBER >= 0x10101007L) && !defined(OPENSSL_NO_SM2) && !defined(LIBRESSL_VERSION_NUMBER)
 
 #  include <openssl/sm2.h>
 
diff --git a/src/srp.c b/src/srp.c
index 85626b5..6fb0a50 100644
--- a/src/srp.c
+++ b/src/srp.c
@@ -1,6 +1,7 @@
 #include "openssl.h"
 #include "private.h"
 
+#if !defined(LIBRESSL_VERSION_NUMBER)
 #include <openssl/srp.h>
 #include <openssl/bn.h>
 
@@ -198,4 +199,4 @@ int luaopen_srp(lua_State *L)
   lua_settable(L, -3);
   return 1;
 }
-
+#endif
diff --git a/src/x509.c b/src/x509.c
index 94e9982..07adb54 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -1196,7 +1196,7 @@ static int openssl_x509_extensions(lua_State* L)
   else
   {
     STACK_OF(X509_EXTENSION) *others = (STACK_OF(X509_EXTENSION) *)openssl_sk_x509_extension_fromtable(L, 2);
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
     sk_X509_EXTENSION_pop_free(self->cert_info->extensions, X509_EXTENSION_free);
     self->cert_info->extensions = others;
 #else
-- 
2.16.4