Release LuaSec 1.3.2

Addressing #159 and #160

CHANGELOG

@@ -1,3 +1,43 @@
+--------------------------------------------------------------------------------
+LuaSec 1.3.2
+---------------
+This version includes:
+
+* Fix: place EAI_OVERFLOW inside macro, unbreak build on <10.7 (Sergey Fedorov)
+* Fix: Expand workaround for zero errno to OpenSSL 3.0.x (Kim Alvefur)
+* Fix: reset block timeout at send or receive (MartinDahlberg)
+
+--------------------------------------------------------------------------------
+LuaSec 1.3.1
+---------------
+This version includes:
+
+* Fix: check if PSK is available
+
+--------------------------------------------------------------------------------
+LuaSec 1.3.0
+---------------
+This version includes:
+
+* Add :getlocalchain() + :getlocalcertificate() to mirror the peer methods (@mwild1)
+* Add Pre-Shared Key (PSK) support (@jclab-joseph)
+
+--------------------------------------------------------------------------------
+LuaSec 1.2.0
+---------------
+This version includes:
+
+* Add key material export method
+* Backguard compat for openssl on providers, like LTS linuxes
+
+--------------------------------------------------------------------------------
+LuaSec 1.1.0
+---------------
+This version includes:
+
+* Fix missing DANE flag
+* Remove unused parameter in https.lua
+
 --------------------------------------------------------------------------------
 LuaSec 1.0.2
 ---------------

INSTALL

@@ -1,9 +1,9 @@
-LuaSec 1.0.2
+LuaSec 1.3.2
 ------------
 
 * OpenSSL options:
 
-    By default, this version includes options for OpenSSL 3.0.0 beta2
+    By default, this version includes options for OpenSSL 3.0.8
 
     If you need to generate the options for a different version of OpenSSL:
 

LICENSE

@@ -1,5 +1,5 @@
-LuaSec 1.0.2 license
-Copyright (C) 2006-2021 Bruno Silvestre, UFG
+LuaSec 1.3.2 license
+Copyright (C) 2006-2023 Bruno Silvestre, UFG
 
 Permission is hereby granted, free  of charge, to any person obtaining
 a  copy  of this  software  and  associated  documentation files  (the

README.md

@@ -1,4 +1,4 @@
-LuaSec 1.0.2
+LuaSec 1.3.2
 ===============
 LuaSec depends  on OpenSSL, and  integrates with LuaSocket to  make it
 easy to add secure connections to any Lua applications or scripts.

luasec-1.3.2-1.rockspec

@@ -1,8 +1,8 @@
 package = "LuaSec"
-version = "1.0.2-1"
+version = "1.3.2-1"
 source = {
-  url = "git://github.com/brunoos/luasec",
-  tag = "v1.0.2",
+  url = "git+https://github.com/brunoos/luasec",
+  tag = "v1.3.2",
 }
 description = {
    summary = "A binding for OpenSSL library to provide TLS/SSL communication over LuaSocket.",
@@ -87,7 +87,7 @@ build = {
                   "$(OPENSSL_BINDIR)",
                },
                libraries = {
-                  "libssl32MD", "libcrypto32MD", "ws2_32"
+                  "libssl", "libcrypto", "ws2_32"
                },
                incdirs = {
                   "$(OPENSSL_INCDIR)", "src/", "src/luasocket"

luasec.vcxproj

@@ -61,7 +61,7 @@
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>ws2_32.lib;libeay32MDd.lib;ssleay32MDd.lib;lua5.1.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>ws2_32.lib;libssl.lib;libcrypto.lib;lua5.1.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>$(OutDir)ssl.dll</OutputFile>
       <AdditionalLibraryDirectories>C:\devel\openssl\lib\VC;C:\devel\lua-dll9;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -85,7 +85,7 @@
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>ws2_32.lib;libssl32MD.lib;libcrypto32MD.lib;lua5.1.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>ws2_32.lib;libssl.lib;libcrypto.lib;lua5.1.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <OutputFile>$(OutDir)$(TargetName)$(TargetExt)</OutputFile>
       <AdditionalLibraryDirectories>C:\devel\openssl-1.1.0\lib\VC;C:\devel\lua-5.1\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
       <GenerateDebugInformation>true</GenerateDebugInformation>

samples/README

@@ -45,6 +45,9 @@ Directories:
 * oneshot
  A simple connection example.
 
+* psk
+ PSK(Pre Shared Key) support.
+
 * sni
  Support to SNI (Server Name Indication).
 

samples/certs/all.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 ./rootA.sh
 ./rootB.sh
 ./clientA.sh

samples/certs/clientA.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 openssl req -newkey rsa:2048 -sha256 -keyout clientAkey.pem -out clientAreq.pem \
   -nodes -config ./clientA.cnf -days 365 -batch

samples/certs/clientB.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 openssl req -newkey rsa:2048 -sha256 -keyout clientBkey.pem -out clientBreq.pem \
   -nodes -config ./clientB.cnf -days 365 -batch

samples/certs/rootA.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 openssl req -newkey rsa:2048 -sha256 -keyout rootAkey.pem -out rootAreq.pem -nodes -config ./rootA.cnf -days 365 -batch
 

samples/certs/rootB.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 openssl req -newkey rsa:2048 -sha256 -keyout rootBkey.pem -out rootBreq.pem -nodes -config ./rootB.cnf -days 365 -batch
 

samples/certs/serverA.sh

@@ -1,6 +1,6 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
-openssl req -newkey rsa:2048 -keyout serverAkey.pem -out serverAreq.pem \
+openssl req -newkey rsa:2048 -sha256 -keyout serverAkey.pem -out serverAreq.pem \
    -config ./serverA.cnf -nodes -days 365 -batch
 
 openssl x509 -req -in serverAreq.pem -sha256 -extfile ./serverA.cnf \

samples/certs/serverB.sh

@@ -1,6 +1,6 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
-openssl req -newkey rsa:2048 -keyout serverBkey.pem -out serverBreq.pem \
+openssl req -newkey rsa:2048 -sha256 -keyout serverBkey.pem -out serverBreq.pem \
    -config ./serverB.cnf -nodes -days 365 -batch
 
 openssl x509 -req -in serverBreq.pem -sha256 -extfile ./serverB.cnf \

samples/chain/server.lua

@@ -31,8 +31,27 @@ util.show( conn:getpeercertificate() )
 
 print("----------------------------------------------------------------------")
 
-for k, cert in ipairs( conn:getpeerchain() ) do
+local expectedpeerchain = { "../certs/clientAcert.pem", "../certs/rootA.pem" }
+
+local peerchain = conn:getpeerchain()
+assert(#peerchain == #expectedpeerchain)
+for k, cert in ipairs( peerchain ) do
   util.show(cert)
+  local expectedpem = assert(io.open(expectedpeerchain[k])):read("*a")
+  assert(cert:pem() == expectedpem, "peer chain mismatch @ "..tostring(k))
+end
+
+local expectedlocalchain = { "../certs/serverAcert.pem" }
+
+local localchain = assert(conn:getlocalchain())
+assert(#localchain == #expectedlocalchain)
+for k, cert in ipairs( localchain ) do
+  util.show(cert)
+  local expectedpem = assert(io.open(expectedlocalchain[k])):read("*a")
+  assert(cert:pem() == expectedpem, "local chain mismatch @ "..tostring(k))
+  if k == 1 then
+    assert(cert:pem() == conn:getlocalcertificate():pem())
+  end
 end
 
 local f = io.open(params.certificate)

samples/psk/client.lua

@@ -0,0 +1,41 @@
+--
+-- Public domain
+--
+local socket = require("socket")
+local ssl    = require("ssl")
+
+if not ssl.config.capabilities.psk then
+   print("[ERRO] PSK not available")
+   os.exit(1)
+end
+
+-- @param hint (nil | string)
+-- @param max_identity_len (number)
+-- @param max_psk_len (number)
+-- @return identity (string)
+-- @return PSK (string)
+local function pskcb(hint, max_identity_len, max_psk_len)
+   print(string.format("PSK Callback: hint=%q, max_identity_len=%d, max_psk_len=%d", hint, max_identity_len, max_psk_len))
+   return "abcd", "1234"
+end
+
+local params = {
+   mode = "client",
+   protocol = "tlsv1_2",
+   psk = pskcb,
+}
+
+local peer = socket.tcp()
+peer:connect("127.0.0.1", 8888)
+
+peer = assert( ssl.wrap(peer, params) )
+assert(peer:dohandshake())
+
+print("--- INFO ---")
+local info = peer:info()
+for k, v in pairs(info) do
+   print(k, v)
+end
+print("---")
+
+peer:close()

samples/psk/server.lua

@@ -0,0 +1,60 @@
+--
+-- Public domain
+--
+local socket = require("socket")
+local ssl    = require("ssl")
+
+if not ssl.config.capabilities.psk then
+   print("[ERRO] PSK not available")
+   os.exit(1)
+end
+
+-- @param identity (string)
+-- @param max_psk_len (number)
+-- @return psk (string)
+local function pskcb(identity, max_psk_len)
+   print(string.format("PSK Callback: identity=%q, max_psk_len=%d", identity, max_psk_len))
+   if identity == "abcd" then
+     return "1234"
+  end
+  return nil
+end
+
+local params = {
+   mode = "server",
+   protocol = "any",
+   options = "all",
+
+-- PSK with just a callback
+   psk = pskcb,
+
+-- PSK with identity hint
+--   psk = {
+--      hint = "hintpsksample",
+--      callback = pskcb,
+--   },
+}
+
+
+-- [[ SSL context
+local ctx = assert(ssl.newcontext(params))
+--]]
+
+local server = socket.tcp()
+server:setoption('reuseaddr', true)
+assert( server:bind("127.0.0.1", 8888) )
+server:listen()
+
+local peer = server:accept()
+peer = assert( ssl.wrap(peer, ctx) )
+assert( peer:dohandshake() )
+
+print("--- INFO ---")
+local info = peer:info()
+for k, v in pairs(info) do
+   print(k, v)
+end
+print("---")
+
+peer:close()
+server:close()

src/compat.h

@@ -1,7 +1,7 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -48,8 +48,14 @@
 
 //------------------------------------------------------------------------------
 
-#if !defined(LIBRESSL_VERSION_NUMBER) && ((OPENSSL_VERSION_NUMBER & 0xFFFFF000L) == 0x10101000L)
-#define LSEC_OPENSSL_1_1_1
+#if !defined(LIBRESSL_VERSION_NUMBER) && ((OPENSSL_VERSION_NUMBER & 0xFFFFF000L) == 0x10101000L || (OPENSSL_VERSION_NUMBER & 0xFFFFF000L) == 0x30000000L)
+#define LSEC_OPENSSL_ERRNO_BUG
+#endif
+
+//------------------------------------------------------------------------------
+
+#if !defined(LIBRESSL_VERSION_NUMBER) && !defined(OPENSSL_NO_PSK)
+#define LSEC_ENABLE_PSK
 #endif
 
 //------------------------------------------------------------------------------

src/config.c

@@ -1,7 +1,7 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre.
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -74,11 +74,24 @@ LSEC_API int luaopen_ssl_config(lua_State *L)
   lua_pushboolean(L, 1);
   lua_rawset(L, -3);
 
+#ifdef LSEC_ENABLE_PSK
+  lua_pushstring(L, "psk");
+  lua_pushboolean(L, 1);
+  lua_rawset(L, -3);
+#endif
+
 #ifdef LSEC_ENABLE_DANE
   // DANE
   lua_pushstring(L, "dane");
+#ifdef DANE_FLAG_NO_DANE_EE_NAMECHECKS
+  lua_createtable(L, 0, 1);
+  lua_pushstring(L, "no_ee_namechecks");
   lua_pushboolean(L, 1);
   lua_rawset(L, -3);
+#else
+  lua_pushboolean(L, 1);
+#endif
+  lua_rawset(L, -3);
 #endif
 
 #ifndef OPENSSL_NO_EC

src/context.c

@@ -1,9 +1,8 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2014-2021 Kim Alvefur, Paul Aurich, Tobias Markmann, 
- *                         Matthew Wild.
- * Copyright (C) 2006-2021 Bruno Silvestre.
+ * Copyright (C) 2014-2023 Kim Alvefur, Paul Aurich, Tobias Markmann, Matthew Wild
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -17,6 +16,7 @@
 #include <openssl/err.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
+#include <openssl/x509_vfy.h>
 #include <openssl/dh.h>
 
 #include <lua.h>
@@ -707,15 +707,172 @@ static int set_alpn_cb(lua_State *L)
   return 1;
 }
 
+#if defined(LSEC_ENABLE_PSK)
+/**
+ * Callback to select the PSK.
+ */
+static unsigned int server_psk_cb(SSL *ssl, const char *identity, unsigned char *psk,
+  unsigned int max_psk_len)
+{
+  size_t psk_len;
+  const char *ret_psk;
+  SSL_CTX *ctx = SSL_get_SSL_CTX(ssl);
+  p_context pctx = (p_context)SSL_CTX_get_app_data(ctx);
+  lua_State *L = pctx->L;
+
+  luaL_getmetatable(L, "SSL:PSK:Registry");
+  lua_pushlightuserdata(L, (void*)pctx->context);
+  lua_gettable(L, -2);
+
+  lua_pushstring(L, identity);
+  lua_pushinteger(L, max_psk_len);
+
+  lua_call(L, 2, 1);
+
+  if (!lua_isstring(L, -1)) {
+    lua_pop(L, 2);
+    return 0;
+  }
+
+  ret_psk = lua_tolstring(L, -1, &psk_len);
+
+  if (psk_len == 0 || psk_len > max_psk_len)
+    psk_len = 0;
+  else
+    memcpy(psk, ret_psk, psk_len);
+
+  lua_pop(L, 2);
+
+  return psk_len;
+}
+
+/**
+ * Set a PSK callback for server.
+ */
+static int set_server_psk_cb(lua_State *L)
+{
+  p_context ctx = checkctx(L, 1);
+
+  luaL_getmetatable(L, "SSL:PSK:Registry");
+  lua_pushlightuserdata(L, (void*)ctx->context);
+  lua_pushvalue(L, 2);
+  lua_settable(L, -3);
+
+  SSL_CTX_set_psk_server_callback(ctx->context, server_psk_cb);
+
+  lua_pushboolean(L, 1);
+  return 1;
+}
+
+/*
+ * Set the PSK indentity hint.
+ */
+static int set_psk_identity_hint(lua_State *L)
+{
+  p_context ctx = checkctx(L, 1);
+  const char *hint = luaL_checkstring(L, 2);
+  int ret = SSL_CTX_use_psk_identity_hint(ctx->context, hint);
+  lua_pushboolean(L, ret);
+  return 1;
+}
+
+/*
+ * Client callback to PSK.
+ */
+static unsigned int client_psk_cb(SSL *ssl, const char *hint, char *identity,
+  unsigned int max_identity_len, unsigned char *psk, unsigned int max_psk_len)
+{
+  size_t psk_len;
+  size_t identity_len;
+  const char *ret_psk;
+  const char *ret_identity;
+  SSL_CTX *ctx = SSL_get_SSL_CTX(ssl);
+  p_context pctx = (p_context)SSL_CTX_get_app_data(ctx);
+  lua_State *L = pctx->L;
+
+  luaL_getmetatable(L, "SSL:PSK:Registry");
+  lua_pushlightuserdata(L, (void*)pctx->context);
+  lua_gettable(L, -2);
+
+  if (hint)
+    lua_pushstring(L, hint);
+  else
+    lua_pushnil(L);
+
+  // Leave space to '\0'
+  lua_pushinteger(L, max_identity_len-1);
+  lua_pushinteger(L, max_psk_len);
+
+  lua_call(L, 3, 2);
+
+  if (!lua_isstring(L, -1) || !lua_isstring(L, -2)) {
+    lua_pop(L, 3);
+    return 0;
+  }
+
+  ret_identity = lua_tolstring(L, -2, &identity_len);
+  ret_psk = lua_tolstring(L, -1, &psk_len);
+
+  if (identity_len >= max_identity_len || psk_len > max_psk_len)
+    psk_len = 0;
+  else {
+    memcpy(identity, ret_identity, identity_len);
+    identity[identity_len] = 0;
+    memcpy(psk, ret_psk, psk_len);
+  }
+
+  lua_pop(L, 3);
+
+  return psk_len;
+}
+
+/**
+ * Set a PSK callback for client.
+ */
+static int set_client_psk_cb(lua_State *L) {
+  p_context ctx = checkctx(L, 1);
+
+  luaL_getmetatable(L, "SSL:PSK:Registry");
+  lua_pushlightuserdata(L, (void*)ctx->context);
+  lua_pushvalue(L, 2);
+  lua_settable(L, -3);
+
+  SSL_CTX_set_psk_client_callback(ctx->context, client_psk_cb);
+
+  lua_pushboolean(L, 1);
+  return 1;
+}
+#endif
+
 #if defined(LSEC_ENABLE_DANE)
 /*
  * DANE
  */
+static int dane_options[] = {
+  /* TODO move into options.c
+   * however this symbol is not from openssl/ssl.h but rather from
+   * openssl/x509_vfy.h
+   * */
+#ifdef DANE_FLAG_NO_DANE_EE_NAMECHECKS
+  DANE_FLAG_NO_DANE_EE_NAMECHECKS,
+#endif
+  0
+};
+static const char *dane_option_names[] = {
+#ifdef DANE_FLAG_NO_DANE_EE_NAMECHECKS
+  "no_ee_namechecks",
+#endif
+  NULL
+};
+
 static int set_dane(lua_State *L)
 {
-  int ret;
+  int ret, i;
   SSL_CTX *ctx = lsec_checkcontext(L, 1);
   ret = SSL_CTX_dane_enable(ctx);
+  for (i = 2; ret > 0 && i <= lua_gettop(L); i++) {
+    ret = SSL_CTX_dane_set_flags(ctx, dane_options[luaL_checkoption(L, i, NULL, dane_option_names)]);
+  }
   lua_pushboolean(L, (ret > 0));
   return 1;
 }
@@ -738,6 +895,11 @@ static luaL_Reg funcs[] = {
   {"setdhparam",      set_dhparam},
   {"setverify",       set_verify},
   {"setoptions",      set_options},
+#if defined(LSEC_ENABLE_PSK)
+  {"setpskhint",      set_psk_identity_hint},
+  {"setserverpskcb",  set_server_psk_cb},
+  {"setclientpskcb",  set_client_psk_cb},
+#endif
   {"setmode",         set_mode},
 #if !defined(OPENSSL_NO_EC)
   {"setcurve",        set_curve},
@@ -771,6 +933,10 @@ static int meth_destroy(lua_State *L)
     lua_pushlightuserdata(L, (void*)ctx->context);
     lua_pushnil(L);
     lua_settable(L, -3);
+    luaL_getmetatable(L, "SSL:PSK:Registry");
+    lua_pushlightuserdata(L, (void*)ctx->context);
+    lua_pushnil(L);
+    lua_settable(L, -3);
 
     SSL_CTX_free(ctx->context);
     ctx->context = NULL;
@@ -913,9 +1079,10 @@ void *lsec_testudata (lua_State *L, int ud, const char *tname) {
  */
 LSEC_API int luaopen_ssl_context(lua_State *L)
 {
-  luaL_newmetatable(L, "SSL:DH:Registry");      /* Keep all DH callbacks   */
-  luaL_newmetatable(L, "SSL:ALPN:Registry");    /* Keep all ALPN callbacks */
-  luaL_newmetatable(L, "SSL:Verify:Registry");  /* Keep all verify flags   */
+  luaL_newmetatable(L, "SSL:DH:Registry");        /* Keep all DH callbacks   */
+  luaL_newmetatable(L, "SSL:ALPN:Registry");      /* Keep all ALPN callbacks */
+  luaL_newmetatable(L, "SSL:PSK:Registry");       /* Keep all PSK callbacks */
+  luaL_newmetatable(L, "SSL:Verify:Registry");    /* Keep all verify flags   */
   luaL_newmetatable(L, "SSL:Context");
   setfuncs(L, meta);
 

src/context.h

@@ -2,9 +2,9 @@
 #define LSEC_CONTEXT_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 

src/ec.c

@@ -1,3 +1,10 @@
+/*--------------------------------------------------------------------------
+ * LuaSec 1.3.2
+ *
+ * Copyright (C) 2006-2023 Bruno Silvestre
+ *
+ *--------------------------------------------------------------------------*/
+
 #include <openssl/objects.h>
 
 #include "ec.h"

src/ec.h

@@ -1,7 +1,7 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 

src/https.lua

@@ -1,6 +1,7 @@
 ----------------------------------------------------------------------------
--- LuaSec 1.0.2
--- Copyright (C) 2009-2021 PUC-Rio
+-- LuaSec 1.3.2
+--
+-- Copyright (C) 2009-2023 PUC-Rio
 --
 -- Author: Pablo Musa
 -- Author: Tomas Guisasola
@@ -18,8 +19,8 @@ local try    = socket.try
 -- Module
 --
 local _M = {
-  _VERSION   = "1.0.2",
-  _COPYRIGHT = "LuaSec 1.0.2 - Copyright (C) 2009-2021 PUC-Rio",
+  _VERSION   = "1.3.2",
+  _COPYRIGHT = "LuaSec 1.3.2 - Copyright (C) 2009-2023 PUC-Rio",
   PORT       = 443,
   TIMEOUT    = 60
 }
@@ -93,7 +94,7 @@ local function tcp(params)
          self.sock:sni(host)
          self.sock:settimeout(_M.TIMEOUT)
          try(self.sock:dohandshake())
-         reg(self, getmetatable(self.sock))
+         reg(self)
          return 1
       end
       return conn

src/luasocket/buffer.c

@@ -78,9 +78,7 @@ int buffer_meth_send(lua_State *L, p_buffer buf) {
     const char *data = luaL_checklstring(L, 2, &size);
     long start = (long) luaL_optnumber(L, 3, 1);
     long end = (long) luaL_optnumber(L, 4, -1);
-#ifdef LUASOCKET_DEBUG
-    p_timeout tm = timeout_markstart(buf->tm);
-#endif
+    timeout_markstart(buf->tm);
     if (start < 0) start = (long) (size+start+1);
     if (end < 0) end = (long) (size+end+1);
     if (start < 1) start = (long) 1;
@@ -98,7 +96,7 @@ int buffer_meth_send(lua_State *L, p_buffer buf) {
     }
 #ifdef LUASOCKET_DEBUG
     /* push time elapsed during operation as the last return value */
-    lua_pushnumber(L, timeout_gettime() - timeout_getstart(tm));
+    lua_pushnumber(L, timeout_gettime() - timeout_getstart(buf->tm));
 #endif
     return lua_gettop(L) - top;
 }
@@ -117,9 +115,7 @@ int buffer_meth_receive(lua_State *L, p_buffer buf) {
         top = 3;
     }
     part = luaL_optlstring(L, 3, "", &size);
-#ifdef LUASOCKET_DEBUG
-    p_timeout tm = timeout_markstart(buf->tm);
-#endif
+    timeout_markstart(buf->tm);
     /* initialize buffer with optional extra prefix 
      * (useful for concatenating previous partial results) */
     luaL_buffinit(L, &b);
@@ -155,7 +151,7 @@ int buffer_meth_receive(lua_State *L, p_buffer buf) {
     }
 #ifdef LUASOCKET_DEBUG
     /* push time elapsed during operation as the last return value */
-    lua_pushnumber(L, timeout_gettime() - timeout_getstart(tm));
+    lua_pushnumber(L, timeout_gettime() - timeout_getstart(buf->tm));
 #endif
     return lua_gettop(L) - top;
 }

src/luasocket/usocket.c

@@ -426,7 +426,9 @@ const char *socket_gaistrerror(int err) {
         case EAI_MEMORY: return "memory allocation failure";
         case EAI_NONAME: 
             return "host or service not provided, or not known";
+#ifdef EAI_OVERFLOW
         case EAI_OVERFLOW: return "argument buffer overflow";
+#endif
 #ifdef EAI_PROTOCOL
         case EAI_PROTOCOL: return "resolved protocol is unknown";
 #endif

src/options.c

@@ -1,7 +1,7 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -13,7 +13,7 @@
 
 
 /* 
-  OpenSSL version: OpenSSL 3.0.0-beta2
+  OpenSSL version: OpenSSL 3.0.8
 */
 
 static lsec_ssl_option_t ssl_options[] = {

src/options.h

@@ -2,9 +2,9 @@
 #define LSEC_OPTIONS_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 

src/options.lua

@@ -18,9 +18,9 @@ end
 local function generate(options, version)
   print([[
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.1
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 

src/ssl.c

@@ -1,9 +1,8 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2014-2021 Kim Alvefur, Paul Aurich, Tobias Markmann, 
- *                         Matthew Wild.
- * Copyright (C) 2006-2021 Bruno Silvestre.
+ * Copyright (C) 2014-2023 Kim Alvefur, Paul Aurich, Tobias Markmann, Matthew Wild
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -48,8 +47,8 @@ static int lsec_socket_error()
 #if defined(WIN32)
   return WSAGetLastError();
 #else
-#if defined(LSEC_OPENSSL_1_1_1)
-  // Bug in OpenSSL 1.1.1
+#if defined(LSEC_OPENSSL_ERRNO_BUG)
+  // Bug in OpenSSL
   if (errno == 0)
     return LSEC_IO_SSL;
 #endif
@@ -530,6 +529,58 @@ static int meth_getpeercertificate(lua_State *L)
   return 1;
 }
 
+/**
+ * Return the nth certificate of the chain sent to our peer.
+ */
+static int meth_getlocalcertificate(lua_State *L)
+{
+  int n;
+  X509 *cert;
+  STACK_OF(X509) *certs;
+  p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection");
+  if (ssl->state != LSEC_STATE_CONNECTED) {
+    lua_pushnil(L);
+    lua_pushstring(L, "closed");
+    return 2;
+  }
+  /* Default to the first cert */
+  n = (int)luaL_optinteger(L, 2, 1);
+  /* This function is 1-based, but OpenSSL is 0-based */
+  --n;
+  if (n < 0) {
+    lua_pushnil(L);
+    lua_pushliteral(L, "invalid certificate index");
+    return 2;
+  }
+  if (n == 0) {
+    cert = SSL_get_certificate(ssl->ssl);
+    if (cert)
+      lsec_pushx509(L, cert);
+    else
+      lua_pushnil(L);
+    return 1;
+  }
+  /* In a server-context, the stack doesn't contain the peer cert,
+   * so adjust accordingly.
+   */
+  if (SSL_is_server(ssl->ssl))
+    --n;
+  if(SSL_get0_chain_certs(ssl->ssl, &certs) != 1) {
+    lua_pushnil(L);
+  } else {
+    if (n >= sk_X509_num(certs)) {
+      lua_pushnil(L);
+      return 1;
+    }
+    cert = sk_X509_value(certs, n);
+    /* Increment the reference counting of the object. */
+    /* See SSL_get_peer_certificate() source code.     */
+    X509_up_ref(cert);
+    lsec_pushx509(L, cert);
+  }
+  return 1;
+}
+
 /**
  * Return the chain of certificate of the peer.
  */
@@ -564,6 +615,41 @@ static int meth_getpeerchain(lua_State *L)
   return 1;
 }
 
+/**
+ * Return the chain of certificates sent to the peer.
+ */
+static int meth_getlocalchain(lua_State *L)
+{
+  int i;
+  int idx = 1;
+  int n_certs;
+  X509 *cert;
+  STACK_OF(X509) *certs;
+  p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection");
+  if (ssl->state != LSEC_STATE_CONNECTED) {
+    lua_pushnil(L);
+    lua_pushstring(L, "closed");
+    return 2;
+  }
+  lua_newtable(L);
+  if (SSL_is_server(ssl->ssl)) {
+    lsec_pushx509(L, SSL_get_certificate(ssl->ssl));
+    lua_rawseti(L, -2, idx++);
+  }
+  if(SSL_get0_chain_certs(ssl->ssl, &certs)) {
+    n_certs = sk_X509_num(certs);
+    for (i = 0; i < n_certs; i++) {
+      cert = sk_X509_value(certs, i);
+      /* Increment the reference counting of the object. */
+      /* See SSL_get_peer_certificate() source code.     */
+      X509_up_ref(cert);
+      lsec_pushx509(L, cert);
+      lua_rawseti(L, -2, idx++);
+    }
+  }
+  return 1;
+}
+
 /**
  * Copy the table src to the table dst.
  */
@@ -671,6 +757,41 @@ static int meth_getpeerfinished(lua_State *L)
   return 1;
 }
 
+/**
+ * Get some shared keying material
+ */
+static int meth_exportkeyingmaterial(lua_State *L)
+{
+  p_ssl ssl = (p_ssl)luaL_checkudata(L, 1, "SSL:Connection");
+
+  if(ssl->state != LSEC_STATE_CONNECTED) {
+    lua_pushnil(L);
+    lua_pushstring(L, "closed");
+    return 0;
+  }
+
+  size_t llen = 0;
+  size_t contextlen = 0;
+  const unsigned char *context = NULL;
+  const char *label = (const char*)luaL_checklstring(L, 2, &llen);
+  size_t olen = (size_t)luaL_checkinteger(L, 3);
+
+  if (!lua_isnoneornil(L, 4))
+    context = (const unsigned char*)luaL_checklstring(L, 4, &contextlen);
+
+  /* Temporary buffer memory-managed by Lua itself */
+  unsigned char *out = (unsigned char*)lua_newuserdata(L, olen);
+
+  if(SSL_export_keying_material(ssl->ssl, out, olen, label, llen, context, contextlen, context != NULL) != 1) {
+    lua_pushnil(L);
+    lua_pushstring(L, "error exporting keying material");
+    return 2;
+  }
+
+  lua_pushlstring(L, (char*)out, olen);
+  return 1;
+}
+
 /**
  * Object information -- tostring metamethod
  */
@@ -826,7 +947,7 @@ static int meth_getalpn(lua_State *L)
 
 static int meth_copyright(lua_State *L)
 {
-  lua_pushstring(L, "LuaSec 1.0.2 - Copyright (C) 2006-2021 Bruno Silvestre, UFG"
+  lua_pushstring(L, "LuaSec 1.3.2 - Copyright (C) 2006-2023 Bruno Silvestre, UFG"
 #if defined(WITH_LUASOCKET)
                     "\nLuaSocket 3.0-RC1 - Copyright (C) 2004-2013 Diego Nehab"
 #endif
@@ -873,9 +994,12 @@ static luaL_Reg methods[] = {
   {"getfd",               meth_getfd},
   {"getfinished",         meth_getfinished},
   {"getpeercertificate",  meth_getpeercertificate},
+  {"getlocalcertificate", meth_getlocalcertificate},
   {"getpeerchain",        meth_getpeerchain},
+  {"getlocalchain",       meth_getlocalchain},
   {"getpeerverification", meth_getpeerverification},
   {"getpeerfinished",     meth_getpeerfinished},
+  {"exportkeyingmaterial",meth_exportkeyingmaterial},
   {"getsniname",          meth_getsniname},
   {"getstats",            meth_getstats},
   {"setstats",            meth_setstats},

src/ssl.h

@@ -2,9 +2,9 @@
 #define LSEC_SSL_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2006-2021 Bruno Silvestre
+ * Copyright (C) 2006-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 

src/ssl.lua

@@ -1,7 +1,7 @@
 ------------------------------------------------------------------------------
--- LuaSec 1.0.2
+-- LuaSec 1.3.2
 --
--- Copyright (C) 2006-2021 Bruno Silvestre
+-- Copyright (C) 2006-2023 Bruno Silvestre
 --
 ------------------------------------------------------------------------------
 
@@ -201,8 +201,39 @@ local function newcontext(cfg)
       if not succ then return nil, msg end
    end
 
+   -- PSK
+   if config.capabilities.psk and cfg.psk then
+      if cfg.mode == "client" then
+         if type(cfg.psk) ~= "function" then
+            return nil, "invalid PSK configuration"
+         end
+         succ = context.setclientpskcb(ctx, cfg.psk)
+         if not succ then return nil, msg end
+      elseif cfg.mode == "server" then
+         if type(cfg.psk) == "function" then
+            succ, msg = context.setserverpskcb(ctx, cfg.psk)
+            if not succ then return nil, msg end
+         elseif type(cfg.psk) == "table" then
+            if type(cfg.psk.hint) == "string" and type(cfg.psk.callback) == "function" then
+               succ, msg = context.setpskhint(ctx, cfg.psk.hint)
+               if not succ then return succ, msg end
+               succ = context.setserverpskcb(ctx, cfg.psk.callback)
+               if not succ then return succ, msg end
+            else
+               return nil, "invalid PSK configuration"
+            end
+         else
+            return nil, "invalid PSK configuration"
+         end
+      end
+   end
+
    if config.capabilities.dane and cfg.dane then
-      context.setdane(ctx)
+      if type(cfg.dane) == "table" then
+         context.setdane(ctx, unpack(cfg.dane))
+      else
+         context.setdane(ctx)
+      end
    end
 
    return ctx
@@ -271,7 +302,7 @@ core.setmethod("info", info)
 --
 
 local _M = {
-  _VERSION        = "1.0.2",
+  _VERSION        = "1.3.2",
   _COPYRIGHT      = core.copyright(),
   config          = config,
   loadcertificate = x509.load,

src/x509.c

@@ -1,8 +1,8 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2014-2021 Kim Alvefur, Paul Aurich, Tobias Markmann
- *                         Matthew Wild, Bruno Silvestre.
+ * Copyright (C) 2014-2023 Kim Alvefur, Paul Aurich, Tobias Markmann, Matthew Wild
+ * Copyright (C) 2014-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/
 
@@ -655,6 +655,7 @@ static int meth_set_encode(lua_State* L)
   return 1;
 }
 
+#if (OPENSSL_VERSION_NUMBER >= 0x1010000fL)
 /**
  * Get signature name.
  */
@@ -669,6 +670,7 @@ static int meth_get_signature_name(lua_State* L)
     lua_pushstring(L, name);
   return 1;
 }
+#endif
 
 /*---------------------------------------------------------------------------*/
 
@@ -698,7 +700,9 @@ static luaL_Reg methods[] = {
   {"digest",     meth_digest},
   {"setencode",  meth_set_encode},
   {"extensions", meth_extensions},
+#if (OPENSSL_VERSION_NUMBER >= 0x1010000fL)
   {"getsignaturename", meth_get_signature_name},
+#endif
   {"issuer",     meth_issuer},
   {"notbefore",  meth_notbefore},
   {"notafter",   meth_notafter},

src/x509.h

@@ -1,8 +1,8 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.0.2
+ * LuaSec 1.3.2
  *
- * Copyright (C) 2014-2021 Kim Alvefur, Paul Aurich, Tobias Markmann
- *                         Matthew Wild, Bruno Silvestre.
+ * Copyright (C) 2014-2023 Kim Alvefur, Paul Aurich, Tobias Markmann, Matthew Wild
+ * Copyright (C) 2013-2023 Bruno Silvestre
  *
  *--------------------------------------------------------------------------*/