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@ -0,0 +1,350 @@
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From 9588b78eb0a53c40ce96606f5329eec9df86217c Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Thu, 14 Dec 2023 15:00:52 +0100
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Subject: [PATCH] simple_http: Convert to WolfSSL
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Fully convert to WolfSSL as recent version of WolfSSL dropped the
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support shims for CyaSSL.
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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---
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configure.in | 45 ++++++++---------
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src/simple_http.c | 122 +++++++++++++++++++++++-----------------------
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2 files changed, 81 insertions(+), 86 deletions(-)
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--- a/configure.in
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+++ b/configure.in
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@@ -85,48 +85,45 @@ AC_SUBST(enable_latex_docs)
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# Acutally perform the doxygen check
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BB_ENABLE_DOXYGEN
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-# Enable cyassl?
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-AC_DEFUN([BB_CYASSL],
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+# Enable wolfssl?
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+AC_DEFUN([BB_WOLFSSL],
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[
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-AC_ARG_ENABLE(cyassl, [ --enable-cyassl enable TLS support for auth server communication (no)], [], [enable_cyassl=no])
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-if test "x$enable_cyassl" = xyes; then
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- # CyaSSL has been renamed wolfSSL. Old method names are still available
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- # via cyassl/ssl.h, which maps old methods to new methods via macros.
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- # To find the proper lib to link against (cyassl or wolfssl), we do have
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- # the use the new naming scheme below as cyassl/ssl.h is not available for
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- # AC_SEARCH_LIBS
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- AC_CHECK_HEADERS(cyassl/ssl.h)
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- AC_SEARCH_LIBS([CyaTLSv1_client_method], [cyassl], [], [
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- AC_SEARCH_LIBS([wolfTLSv1_client_method], [wolfssl], [], [
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- AC_MSG_ERROR([unable to locate SSL lib: either wolfSSL or CyaSSL needed.])
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- ])
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+AC_ARG_ENABLE(wolfssl, [ --enable-wolfssl enable TLS support for auth server communication (no)], [], [enable_wolfssl=no])
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+if test "x$enable_wolfssl" = xyes; then
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+ AC_CHECK_HEADERS(wolfssl/ssl.h, [], [],
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+ [
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+ #include <wolfssl/options.h>
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+ ])
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+ AC_SEARCH_LIBS([wolfTLSv1_client_method], [wolfssl], [], [
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+ AC_MSG_ERROR([unable to locate SSL lib: wolfSSL needed.])
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])
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- AC_MSG_CHECKING([for the CyaSSL SNI enabled])
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+ AC_MSG_CHECKING([for the Wolfssl SNI enabled])
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AC_LINK_IFELSE([AC_LANG_PROGRAM(
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[[
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#define HAVE_SNI
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- #include <cyassl/ssl.h>
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+ #include <wolfssl/options.h>
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+ #include <wolfssl/ssl.h>
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]], [[
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- CYASSL_CTX *ctx;
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- CyaSSL_Init();
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- ctx = CyaSSL_CTX_new(CyaTLSv1_client_method());
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- CyaSSL_CTX_UseSNI(ctx, CYASSL_SNI_HOST_NAME, "wifidog.org", 11);
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+ WOLFSSL_CTX *ctx;
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+ wolfSSL_Init();
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+ ctx = wolfSSL_CTX_new(wolfTLSv1_client_method());
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+ wolfSSL_CTX_UseSNI(ctx, WOLFSSL_SNI_HOST_NAME, "wifidog.org", 11);
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]])], [enabled_sni=yes], [enabled_sni=no])
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if test "x$enabled_sni" = xyes; then
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AC_MSG_RESULT([yes])
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- AC_DEFINE([HAVE_SNI],, "Compile with CyaSSL SNI support")
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+ AC_DEFINE([HAVE_SNI],, "Compile with wolfssl SNI support")
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else
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AC_MSG_RESULT([no])
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fi
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- AC_DEFINE(USE_CYASSL,, "Compile with CyaSSL support")
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+ AC_DEFINE(USE_WOLFSSL,, "Compile with wolfssl support")
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fi
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])
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-# Actually perform the cyassl check
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-BB_CYASSL
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+# Actually perform the wolfssl check
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+BB_WOLFSSL
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--- a/src/simple_http.c
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+++ b/src/simple_http.c
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@@ -28,6 +28,7 @@
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#include <arpa/inet.h>
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#include <errno.h>
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#include <unistd.h>
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+#include <pthread.h>
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#include <string.h>
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#include <syslog.h>
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@@ -36,17 +37,14 @@
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#include "debug.h"
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#include "pstring.h"
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-#ifdef USE_CYASSL
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-#include <cyassl/ssl.h>
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+#ifdef USE_WOLFSSL
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+#include <wolfssl/options.h>
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+#include <wolfssl/ssl.h>
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#include "conf.h"
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-/* For CYASSL_MAX_ERROR_SZ */
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-#include <cyassl/ctaocrypt/types.h>
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-/* For COMPRESS_E */
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-#include <cyassl/ctaocrypt/error-crypt.h>
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#endif
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-#ifdef USE_CYASSL
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-static CYASSL_CTX *get_cyassl_ctx(const char *hostname);
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+#ifdef USE_WOLFSSL
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+static WOLFSSL_CTX *get_wolfssl_ctx(const char *hostname);
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#endif
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/**
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@@ -133,48 +131,48 @@ http_get(const int sockfd, const char *r
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return NULL;
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}
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-#ifdef USE_CYASSL
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+#ifdef USE_WOLFSSL
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-static CYASSL_CTX *cyassl_ctx = NULL;
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-static pthread_mutex_t cyassl_ctx_mutex = PTHREAD_MUTEX_INITIALIZER;
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+static WOLFSSL_CTX *wolfssl_ctx = NULL;
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+static pthread_mutex_t wolfssl_ctx_mutex = PTHREAD_MUTEX_INITIALIZER;
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-#define LOCK_CYASSL_CTX() do { \
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- debug(LOG_DEBUG, "Locking CyaSSL Context"); \
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- pthread_mutex_lock(&cyassl_ctx_mutex); \
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- debug(LOG_DEBUG, "CyaSSL Context locked"); \
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+#define LOCK_WOLFSSL_CTX() do { \
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+ debug(LOG_DEBUG, "Locking WolfSSL Context"); \
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+ pthread_mutex_lock(&wolfssl_ctx_mutex); \
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+ debug(LOG_DEBUG, "WolfSSL Context locked"); \
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} while (0)
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-#define UNLOCK_CYASSL_CTX() do { \
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- debug(LOG_DEBUG, "Unlocking CyaSSL Context"); \
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- pthread_mutex_unlock(&cyassl_ctx_mutex); \
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- debug(LOG_DEBUG, "CyaSSL Context unlocked"); \
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+#define UNLOCK_WOLFSSL_CTX() do { \
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+ debug(LOG_DEBUG, "Unlocking WolfSSL Context"); \
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+ pthread_mutex_unlock(&wolfssl_ctx_mutex); \
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+ debug(LOG_DEBUG, "WolfSSL Context unlocked"); \
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} while (0)
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-static CYASSL_CTX *
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-get_cyassl_ctx(const char *hostname)
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+static WOLFSSL_CTX *
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+get_wolfssl_ctx(const char *hostname)
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{
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int err;
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- CYASSL_CTX *ret;
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+ WOLFSSL_CTX *ret;
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s_config *config = config_get_config();
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- LOCK_CYASSL_CTX();
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+ LOCK_WOLFSSL_CTX();
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- if (NULL == cyassl_ctx) {
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- CyaSSL_Init();
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- /* Create the CYASSL_CTX */
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+ if (NULL == wolfssl_ctx) {
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+ wolfSSL_Init();
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+ /* Create the WOLFSSL_CTX */
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/* Allow TLSv1.0 up to TLSv1.2 */
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- if ((cyassl_ctx = CyaSSL_CTX_new(CyaTLSv1_client_method())) == NULL) {
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- debug(LOG_ERR, "Could not create CYASSL context.");
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- UNLOCK_CYASSL_CTX();
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+ if ((wolfssl_ctx = wolfSSL_CTX_new(wolfTLSv1_client_method())) == NULL) {
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+ debug(LOG_ERR, "Could not create WOLFSSL context.");
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+ UNLOCK_WOLFSSL_CTX();
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return NULL;
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}
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if (config->ssl_cipher_list) {
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debug(LOG_INFO, "Setting SSL cipher list to [%s]", config->ssl_cipher_list);
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- err = CyaSSL_CTX_set_cipher_list(cyassl_ctx, config->ssl_cipher_list);
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+ err = wolfSSL_CTX_set_cipher_list(wolfssl_ctx, config->ssl_cipher_list);
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if (SSL_SUCCESS != err) {
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debug(LOG_ERR, "Could not load SSL cipher list (error %d)", err);
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- UNLOCK_CYASSL_CTX();
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+ UNLOCK_WOLFSSL_CTX();
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return NULL;
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}
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}
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@@ -183,12 +181,12 @@ get_cyassl_ctx(const char *hostname)
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if (config->ssl_use_sni) {
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debug(LOG_INFO, "Setting SSL using SNI for hostname %s",
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hostname);
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- err = CyaSSL_CTX_UseSNI(cyassl_ctx, CYASSL_SNI_HOST_NAME, hostname,
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+ err = wolfSSL_CTX_UseSNI(wolfssl_ctx, WOLFSSL_SNI_HOST_NAME, hostname,
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strlen(hostname));
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if (SSL_SUCCESS != err) {
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debug(LOG_ERR, "Could not setup SSL using SNI for hostname %s",
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hostname);
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- UNLOCK_CYASSL_CTX();
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+ UNLOCK_WOLFSSL_CTX();
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return NULL;
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}
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}
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@@ -196,28 +194,28 @@ get_cyassl_ctx(const char *hostname)
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if (config->ssl_verify) {
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/* Use trusted certs */
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- /* Note: CyaSSL requires that the certificates are named by their hash values */
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+ /* Note: WolfSSL requires that the certificates are named by their hash values */
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debug(LOG_INFO, "Loading SSL certificates from %s", config->ssl_certs);
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- err = CyaSSL_CTX_load_verify_locations(cyassl_ctx, NULL, config->ssl_certs);
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+ err = wolfSSL_CTX_load_verify_locations(wolfssl_ctx, NULL, config->ssl_certs);
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if (err != SSL_SUCCESS) {
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debug(LOG_ERR, "Could not load SSL certificates (error %d)", err);
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if (err == ASN_UNKNOWN_OID_E) {
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- debug(LOG_ERR, "Error is ASN_UNKNOWN_OID_E - try compiling cyassl/wolfssl with --enable-ecc");
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+ debug(LOG_ERR, "Error is ASN_UNKNOWN_OID_E - try compiling wolfssl/wolfssl with --enable-ecc");
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} else {
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debug(LOG_ERR, "Make sure that SSLCertPath points to the correct path in the config file");
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debug(LOG_ERR, "Or disable certificate loading with 'SSLPeerVerification No'.");
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}
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- UNLOCK_CYASSL_CTX();
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+ UNLOCK_WOLFSSL_CTX();
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return NULL;
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}
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} else {
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- CyaSSL_CTX_set_verify(cyassl_ctx, SSL_VERIFY_NONE, 0);
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+ wolfSSL_CTX_set_verify(wolfssl_ctx, SSL_VERIFY_NONE, 0);
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debug(LOG_INFO, "Disabling SSL certificate verification!");
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}
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}
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- ret = cyassl_ctx;
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- UNLOCK_CYASSL_CTX();
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+ ret = wolfssl_ctx;
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+ UNLOCK_WOLFSSL_CTX();
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return ret;
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}
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@@ -237,20 +235,20 @@ https_get(const int sockfd, const char *
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fd_set readfds;
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struct timeval timeout;
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unsigned long sslerr;
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- char sslerrmsg[CYASSL_MAX_ERROR_SZ];
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+ char sslerrmsg[WOLFSSL_MAX_ERROR_SZ];
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size_t reqlen = strlen(req);
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char readbuf[MAX_BUF];
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char *retval;
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pstr_t *response = pstr_new();
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- CYASSL *ssl = NULL;
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- CYASSL_CTX *ctx = NULL;
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+ WOLFSSL *ssl = NULL;
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+ WOLFSSL_CTX *ctx = NULL;
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s_config *config;
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config = config_get_config();
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- ctx = get_cyassl_ctx(hostname);
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+ ctx = get_wolfssl_ctx(hostname);
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if (NULL == ctx) {
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- debug(LOG_ERR, "Could not get CyaSSL Context!");
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+ debug(LOG_ERR, "Could not get WolfSSL Context!");
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goto error;
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}
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@@ -260,28 +258,28 @@ https_get(const int sockfd, const char *
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goto error;
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}
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- /* Create CYASSL object */
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- if ((ssl = CyaSSL_new(ctx)) == NULL) {
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- debug(LOG_ERR, "Could not create CyaSSL context.");
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+ /* Create WOLFSSL object */
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+ if ((ssl = wolfSSL_new(ctx)) == NULL) {
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+ debug(LOG_ERR, "Could not create WolfSSL context.");
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goto error;
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}
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if (config->ssl_verify) {
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// Turn on domain name check
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// Loading of CA certificates and verification of remote host name
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// go hand in hand - one is useless without the other.
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- CyaSSL_check_domain_name(ssl, hostname);
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+ wolfSSL_check_domain_name(ssl, hostname);
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}
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- CyaSSL_set_fd(ssl, sockfd);
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+ wolfSSL_set_fd(ssl, sockfd);
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debug(LOG_DEBUG, "Sending HTTPS request to auth server: [%s]\n", req);
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- numbytes = CyaSSL_send(ssl, req, (int)reqlen, 0);
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+ numbytes = wolfSSL_send(ssl, req, (int)reqlen, 0);
|
|
|
|
|
if (numbytes <= 0) {
|
|
|
|
|
- sslerr = (unsigned long)CyaSSL_get_error(ssl, numbytes);
|
|
|
|
|
- CyaSSL_ERR_error_string(sslerr, sslerrmsg);
|
|
|
|
|
- debug(LOG_ERR, "CyaSSL_send failed: %s", sslerrmsg);
|
|
|
|
|
+ sslerr = (unsigned long)wolfSSL_get_error(ssl, numbytes);
|
|
|
|
|
+ wolfSSL_ERR_error_string(sslerr, sslerrmsg);
|
|
|
|
|
+ debug(LOG_ERR, "WolfSSL_send failed: %s", sslerrmsg);
|
|
|
|
|
goto error;
|
|
|
|
|
} else if ((size_t) numbytes != reqlen) {
|
|
|
|
|
- debug(LOG_ERR, "CyaSSL_send failed: only %d bytes out of %d bytes sent!", numbytes, reqlen);
|
|
|
|
|
+ debug(LOG_ERR, "WolfSSL_send failed: only %d bytes out of %d bytes sent!", numbytes, reqlen);
|
|
|
|
|
goto error;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@@ -300,14 +298,14 @@ https_get(const int sockfd, const char *
|
|
|
|
|
/** We don't have to use FD_ISSET() because there
|
|
|
|
|
* was only one fd. */
|
|
|
|
|
memset(readbuf, 0, MAX_BUF);
|
|
|
|
|
- numbytes = CyaSSL_read(ssl, readbuf, MAX_BUF - 1);
|
|
|
|
|
+ numbytes = wolfSSL_read(ssl, readbuf, MAX_BUF - 1);
|
|
|
|
|
if (numbytes < 0) {
|
|
|
|
|
- sslerr = (unsigned long)CyaSSL_get_error(ssl, numbytes);
|
|
|
|
|
- CyaSSL_ERR_error_string(sslerr, sslerrmsg);
|
|
|
|
|
+ sslerr = (unsigned long)wolfSSL_get_error(ssl, numbytes);
|
|
|
|
|
+ wolfSSL_ERR_error_string(sslerr, sslerrmsg);
|
|
|
|
|
debug(LOG_ERR, "An error occurred while reading from server: %s", sslerrmsg);
|
|
|
|
|
goto error;
|
|
|
|
|
} else if (numbytes == 0) {
|
|
|
|
|
- /* CyaSSL_read returns 0 on a clean shutdown or if the peer closed the
|
|
|
|
|
+ /* WolfSSL_read returns 0 on a clean shutdown or if the peer closed the
|
|
|
|
|
connection. We can't distinguish between these cases right now. */
|
|
|
|
|
done = 1;
|
|
|
|
|
} else {
|
|
|
|
|
@@ -326,7 +324,7 @@ https_get(const int sockfd, const char *
|
|
|
|
|
|
|
|
|
|
close(sockfd);
|
|
|
|
|
|
|
|
|
|
- CyaSSL_free(ssl);
|
|
|
|
|
+ wolfSSL_free(ssl);
|
|
|
|
|
|
|
|
|
|
retval = pstr_to_string(response);
|
|
|
|
|
debug(LOG_DEBUG, "HTTPS Response from Server: [%s]", retval);
|
|
|
|
|
@@ -334,7 +332,7 @@ https_get(const int sockfd, const char *
|
|
|
|
|
|
|
|
|
|
error:
|
|
|
|
|
if (ssl) {
|
|
|
|
|
- CyaSSL_free(ssl);
|
|
|
|
|
+ wolfSSL_free(ssl);
|
|
|
|
|
}
|
|
|
|
|
if (sockfd >= 0) {
|
|
|
|
|
close(sockfd);
|
|
|
|
|
@@ -344,4 +342,4 @@ https_get(const int sockfd, const char *
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
-#endif /* USE_CYASSL */
|
|
|
|
|
+#endif /* USE_WOLFSSL */
|