Some minor adjusts in parameters and script

ssl: Add :getlocalchain() + :getlocalcertificate() to mirror peer methods

CHANGELOG

@@ -1,3 +1,11 @@
+--------------------------------------------------------------------------------
+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
 ---------------

INSTALL

@@ -1,4 +1,4 @@
-LuaSec 1.1.0
+LuaSec 1.2.0
 ------------
 
 * OpenSSL options:

LICENSE

@@ -1,4 +1,4 @@
-LuaSec 1.1.0 license
+LuaSec 1.2.0 license
 Copyright (C) 2006-2022 Bruno Silvestre, UFG
 
 Permission is hereby granted, free  of charge, to any person obtaining

README.md

@@ -1,4 +1,4 @@
-LuaSec 1.1.0
+LuaSec 1.2.0
 ===============
 LuaSec depends  on OpenSSL, and  integrates with LuaSocket to  make it
 easy to add secure connections to any Lua applications or scripts.

luasec-1.2.0-1.rockspec

@@ -1,8 +1,8 @@
 package = "LuaSec"
-version = "1.1.0-1"
+version = "1.2.0-1"
 source = {
   url = "git+https://github.com/brunoos/luasec",
-  tag = "v1.1.0",
+  tag = "v1.2.0",
 }
 description = {
    summary = "A binding for OpenSSL library to provide TLS/SSL communication over LuaSocket.",

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)

src/compat.h

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/config.c

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre.
  *

src/context.c

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2014-2022 Kim Alvefur, Paul Aurich, Tobias Markmann, 
  *                         Matthew Wild.

src/context.h

@@ -2,7 +2,7 @@
 #define LSEC_CONTEXT_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/ec.h

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/https.lua

@@ -1,5 +1,5 @@
 ----------------------------------------------------------------------------
--- LuaSec 1.1.0
+-- LuaSec 1.2.0
 -- Copyright (C) 2009-2022 PUC-Rio
 --
 -- Author: Pablo Musa
@@ -18,8 +18,8 @@ local try    = socket.try
 -- Module
 --
 local _M = {
-  _VERSION   = "1.1.0",
-  _COPYRIGHT = "LuaSec 1.1.0 - Copyright (C) 2009-2022 PUC-Rio",
+  _VERSION   = "1.2.0",
+  _COPYRIGHT = "LuaSec 1.2.0 - Copyright (C) 2009-2022 PUC-Rio",
   PORT       = 443,
   TIMEOUT    = 60
 }

src/options.c

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/options.h

@@ -2,7 +2,7 @@
 #define LSEC_OPTIONS_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/options.lua

@@ -18,7 +18,7 @@ end
 local function generate(options, version)
   print([[
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/ssl.c

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2014-2022 Kim Alvefur, Paul Aurich, Tobias Markmann, 
  *                         Matthew Wild.
@@ -530,6 +530,58 @@ 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 +616,41 @@ 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 +758,41 @@ 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 +948,7 @@ static int meth_getalpn(lua_State *L)
 
 static int meth_copyright(lua_State *L)
 {
-  lua_pushstring(L, "LuaSec 1.1.0 - Copyright (C) 2006-2022 Bruno Silvestre, UFG"
+  lua_pushstring(L, "LuaSec 1.2.0 - Copyright (C) 2006-2022 Bruno Silvestre, UFG"
 #if defined(WITH_LUASOCKET)
                     "\nLuaSocket 3.0-RC1 - Copyright (C) 2004-2013 Diego Nehab"
 #endif
@@ -873,9 +995,12 @@ 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

@@ -2,7 +2,7 @@
 #define LSEC_SSL_H
 
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2006-2022 Bruno Silvestre
  *

src/ssl.lua

@@ -1,5 +1,5 @@
 ------------------------------------------------------------------------------
--- LuaSec 1.1.0
+-- LuaSec 1.2.0
 --
 -- Copyright (C) 2006-2022 Bruno Silvestre
 --
@@ -275,7 +275,7 @@ core.setmethod("info", info)
 --
 
 local _M = {
-  _VERSION        = "1.1.0",
+  _VERSION        = "1.2.0",
   _COPYRIGHT      = core.copyright(),
   config          = config,
   loadcertificate = x509.load,

src/x509.c

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2014-2022 Kim Alvefur, Paul Aurich, Tobias Markmann
  *                         Matthew Wild, 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

@@ -1,5 +1,5 @@
 /*--------------------------------------------------------------------------
- * LuaSec 1.1.0
+ * LuaSec 1.2.0
  *
  * Copyright (C) 2014-2022 Kim Alvefur, Paul Aurich, Tobias Markmann
  *                         Matthew Wild, Bruno Silvestre.