From a15b2c57e1f901c531a5f063513a541adb418ae1 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 18 Apr 2018 12:31:24 -0400
Subject: [PATCH] Add support for openssl built with "no-deprecated".

Patch from Andrew John Hughes; partial fix for 19981.
---
 src/common/aes.c    |  4 ++++
 src/common/crypto.c | 16 ++++++++++++++++
 src/common/tortls.c | 15 +++++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/src/common/aes.c b/src/common/aes.c
index 5d0841dfa3..95737cffcc 100644
--- a/src/common/aes.c
+++ b/src/common/aes.c
@@ -116,7 +116,11 @@ aes_cipher_free_(aes_cnt_cipher_t *cipher_)
   if (!cipher_)
     return;
   EVP_CIPHER_CTX *cipher = (EVP_CIPHER_CTX *) cipher_;
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0)
+  EVP_CIPHER_CTX_reset(cipher);
+#else
   EVP_CIPHER_CTX_cleanup(cipher);
+#endif
   EVP_CIPHER_CTX_free(cipher);
 }
 void
diff --git a/src/common/crypto.c b/src/common/crypto.c
index 9fcd17742c..c98a968757 100644
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@@ -43,6 +43,7 @@ DISABLE_GCC_WARNING(redundant-decls)
 #include <openssl/dh.h>
 #include <openssl/conf.h>
 #include <openssl/hmac.h>
+#include <openssl/ssl.h>
 
 ENABLE_GCC_WARNING(redundant-decls)
 
@@ -204,8 +205,15 @@ crypto_early_init(void)
 
     crypto_early_initialized_ = 1;
 
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0)
+    OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS |
+                     OPENSSL_INIT_LOAD_CRYPTO_STRINGS |
+                     OPENSSL_INIT_ADD_ALL_CIPHERS |
+                     OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
+#else
     ERR_load_crypto_strings();
     OpenSSL_add_all_algorithms();
+#endif
 
     setup_openssl_threading();
 
@@ -1660,11 +1668,15 @@ memwipe(void *mem, uint8_t byte, size_t sz)
 int
 crypto_global_cleanup(void)
 {
+#if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,1,0)
   EVP_cleanup();
+#endif
 #ifndef NEW_THREAD_API
   ERR_remove_thread_state(NULL);
 #endif
+#if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,1,0)
   ERR_free_strings();
+#endif
 
   if (dh_param_p)
     BN_clear_free(dh_param_p);
@@ -1676,11 +1688,15 @@ crypto_global_cleanup(void)
   dh_param_p = dh_param_p_tls = dh_param_g = NULL;
 
 #ifndef DISABLE_ENGINES
+#if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,1,0)
   ENGINE_cleanup();
+#endif
 #endif
 
   CONF_modules_unload(1);
+#if OPENSSL_VERSION_NUMBER < OPENSSL_V_SERIES(1,1,0)
   CRYPTO_cleanup_all_ex_data();
+#endif
 
   crypto_openssl_free_all();
 
diff --git a/src/common/tortls.c b/src/common/tortls.c
index 05e29e22ff..23bcd85281 100644
--- a/src/common/tortls.c
+++ b/src/common/tortls.c
@@ -56,10 +56,21 @@ ENABLE_GCC_WARNING(redundant-decls)
 #include "container.h"
 #include <string.h>
 
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0)
+#define X509_get_notBefore_const(cert) \
+    X509_get0_notBefore(cert)
+#define X509_get_notAfter_const(cert) \
+    X509_get0_notAfter(cert)
+#define X509_get_notBefore(cert) \
+    X509_getm_notBefore(cert)
+#define X509_get_notAfter(cert) \
+    X509_getm_notAfter(cert)
+#else
 #define X509_get_notBefore_const(cert) \
   ((const ASN1_TIME*) X509_get_notBefore((X509 *)cert))
 #define X509_get_notAfter_const(cert) \
   ((const ASN1_TIME*) X509_get_notAfter((X509 *)cert))
+#endif
 
 /* Copied from or.h */
 #define LEGAL_NICKNAME_CHARACTERS \
@@ -355,8 +366,12 @@ tor_tls_init(void)
   check_no_tls_errors();
 
   if (!tls_library_is_initialized) {
+#if OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,1,0)
+    OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
+#else
     SSL_library_init();
     SSL_load_error_strings();
+#endif
 
 #if (SIZEOF_VOID_P >= 8 &&                              \
      OPENSSL_VERSION_NUMBER >= OPENSSL_V_SERIES(1,0,1))