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From ccc11ce4b039ac2fd775922e26010d64e59e7c47 Mon Sep 17 00:00:00 2001
From: Alexandru Ardelean <alex@shruggie.ro>
Date: Tue, 26 May 2026 14:15:12 +0300
Subject: [PATCH] prosody: build blake2 hashes only when OpenSSL has them
util-src/hashes.c unconditionally registers blake2s256/blake2b512 and
their HMAC variants, which fails to build against OpenSSL configured
without BLAKE2. Guard them with OPENSSL_NO_BLAKE2 so the module builds
either way.
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
---
util-src/hashes.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/util-src/hashes.c
+++ b/util-src/hashes.c
@@ -115,6 +115,7 @@ static int Lmd5(lua_State *L) {
return Levp_hash(L, EVP_md5());
}
+#ifndef OPENSSL_NO_BLAKE2
static int Lblake2s256(lua_State *L) {
return Levp_hash(L, EVP_blake2s256());
}
@@ -122,6 +123,7 @@ static int Lblake2s256(lua_State *L) {
static int Lblake2b512(lua_State *L) {
return Levp_hash(L, EVP_blake2b512());
}
+#endif
static int Lsha3_256(lua_State *L) {
return Levp_hash(L, EVP_sha3_256());
@@ -188,6 +190,7 @@ static int Lhmac_sha3_512(lua_State *L)
return Levp_hmac(L, EVP_sha3_512());
}
+#ifndef OPENSSL_NO_BLAKE2
static int Lhmac_blake2s256(lua_State *L) {
return Levp_hmac(L, EVP_blake2s256());
}
@@ -195,6 +198,7 @@ static int Lhmac_blake2s256(lua_State *L
static int Lhmac_blake2b512(lua_State *L) {
return Levp_hmac(L, EVP_blake2b512());
}
+#endif
static int Levp_pbkdf2(lua_State *L, const EVP_MD *evp, size_t out_len) {
@@ -292,8 +296,10 @@ static const luaL_Reg Reg[] = {
{ "md5", Lmd5 },
{ "sha3_256", Lsha3_256 },
{ "sha3_512", Lsha3_512 },
+#ifndef OPENSSL_NO_BLAKE2
{ "blake2s256", Lblake2s256 },
{ "blake2b512", Lblake2b512 },
+#endif
{ "hmac_sha1", Lhmac_sha1 },
{ "hmac_sha224", Lhmac_sha224 },
{ "hmac_sha256", Lhmac_sha256 },
@@ -302,8 +308,10 @@ static const luaL_Reg Reg[] = {
{ "hmac_md5", Lhmac_md5 },
{ "hmac_sha3_256", Lhmac_sha3_256 },
{ "hmac_sha3_512", Lhmac_sha3_512 },
+#ifndef OPENSSL_NO_BLAKE2
{ "hmac_blake2s256", Lhmac_blake2s256 },
{ "hmac_blake2b512", Lhmac_blake2b512 },
+#endif
{ "scram_Hi_sha1", Lpbkdf2_sha1 }, /* COMPAT */
{ "pbkdf2_hmac_sha1", Lpbkdf2_sha1 },
{ "pbkdf2_hmac_sha256", Lpbkdf2_sha256 },
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