SNI for ${readsocket }

[exim.git] / src / src / dane-openssl.c

diff --git a/src/src/dane-openssl.c b/src/src/dane-openssl.c
index 4ac5747c9a5a2bfb91aa2f7c81dd2e7194d90a9e..6ed3529293257d73f432540eda4497654ccd40ab 100644 (file)
--- a/src/src/dane-openssl.c
+++ b/src/src/dane-openssl.c
@@ -26,34 +26,36 @@
 # define X509_up_ref(x) CRYPTO_add(&((x)->references), 1, CRYPTO_LOCK_X509)
 #endif
 
-#ifdef LIBRESSL_VERSION_NUMBER /* LibreSSL */
+/* LibreSSL 2.9.0 and later - 2.9.0 has removed a number of macros ... */
+#ifdef LIBRESSL_VERSION_NUMBER
 # if LIBRESSL_VERSION_NUMBER >= 0x2090000fL
 #  define EXIM_HAVE_ASN1_MACROS
 # endif
-#else                          /* OpenSSL */
-# if OPENSSL_VERSION_NUMBER >= 0x10100000L
-#  define EXIM_HAVE_ASN1_MACROS
-#  define EXIM_OPAQUE_X509
-# else
-#  define X509_STORE_CTX_get_verify(ctx)               (ctx)->verify
-#  define X509_STORE_CTX_get_verify_cb(ctx)    (ctx)->verify_cb
-#  define X509_STORE_CTX_get0_cert(ctx)                (ctx)->cert
-#  define X509_STORE_CTX_get0_chain(ctx)               (ctx)->chain
-#  define X509_STORE_CTX_get0_untrusted(ctx)   (ctx)->untrusted
-
-#  define X509_STORE_CTX_set_verify(ctx, verify_chain) (ctx)->verify = (verify_chain)
-#  define X509_STORE_CTX_set0_verified_chain(ctx, sk)  (ctx)->chain = (sk)
-#  define X509_STORE_CTX_set_error_depth(ctx, val)     (ctx)->error_depth = (val)
-#  define X509_STORE_CTX_set_current_cert(ctx, cert)   (ctx)->current_cert = (cert)
-
-#  define ASN1_STRING_get0_data        ASN1_STRING_data
-#  define X509_getm_notBefore  X509_get_notBefore
-#  define X509_getm_notAfter   X509_get_notAfter
-
-#  define CRYPTO_ONCE_STATIC_INIT 0
-#  define CRYPTO_THREAD_run_once        run_once
+#endif
+/* OpenSSL */
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+# define EXIM_HAVE_ASN1_MACROS
+# define EXIM_OPAQUE_X509
+/* Older OpenSSL and all LibreSSL */
+#else
+# define X509_STORE_CTX_get_verify(ctx)                (ctx)->verify
+# define X509_STORE_CTX_get_verify_cb(ctx)     (ctx)->verify_cb
+# define X509_STORE_CTX_get0_cert(ctx)         (ctx)->cert
+# define X509_STORE_CTX_get0_chain(ctx)                (ctx)->chain
+# define X509_STORE_CTX_get0_untrusted(ctx)    (ctx)->untrusted
+
+# define X509_STORE_CTX_set_verify(ctx, verify_chain)  (ctx)->verify = (verify_chain)
+# define X509_STORE_CTX_set0_verified_chain(ctx, sk)   (ctx)->chain = (sk)
+# define X509_STORE_CTX_set_error_depth(ctx, val)      (ctx)->error_depth = (val)
+# define X509_STORE_CTX_set_current_cert(ctx, cert)    (ctx)->current_cert = (cert)
+
+# define ASN1_STRING_get0_data ASN1_STRING_data
+# define X509_getm_notBefore   X509_get_notBefore
+# define X509_getm_notAfter    X509_get_notAfter
+
+# define CRYPTO_ONCE_STATIC_INIT 0
+# define CRYPTO_THREAD_run_once         run_once
 typedef int CRYPTO_ONCE;
-# endif
 #endif
 
 
@@ -127,7 +129,7 @@ static ERR_STRING_DATA dane_str_reasons[] = {
 };
 #endif
 
-#define DANEerr(f, r) ERR_PUT_error(err_lib_dane, (f), (r), __FILE__, __LINE__)
+#define DANEerr(f, r) ERR_PUT_error(err_lib_dane, (f), (r), __FUNCTION__, __LINE__)
 
 static int err_lib_dane = -1;
 static int dane_idx = -1;
@@ -1083,52 +1085,52 @@ if (dane->selectors[DANESSL_USAGE_DANE_EE])
     }
   }
 
-  if (dane->selectors[DANESSL_USAGE_DANE_TA])
+if (dane->selectors[DANESSL_USAGE_DANE_TA])
+  {
+  if ((matched = set_trust_anchor(ctx, dane, cert)) < 0)
     {
-    if ((matched = set_trust_anchor(ctx, dane, cert)) < 0)
-      {
-      X509_STORE_CTX_set_error(ctx, X509_V_ERR_OUT_OF_MEM);
-      return -1;
-      }
-    if (matched)
-      {
-      /*
-       * Check that setting the untrusted chain updates the expected
-       * structure member at the expected offset.
-       */
-      X509_STORE_CTX_trusted_stack(ctx, dane->roots);
-      X509_STORE_CTX_set_chain(ctx, dane->chain);
-      OPENSSL_assert(dane->chain == X509_STORE_CTX_get0_untrusted(ctx));
-      }
+    X509_STORE_CTX_set_error(ctx, X509_V_ERR_OUT_OF_MEM);
+    return -1;
     }
+  if (matched)
+    {
+    /*
+     * Check that setting the untrusted chain updates the expected
+     * structure member at the expected offset.
+     */
+    X509_STORE_CTX_trusted_stack(ctx, dane->roots);
+    X509_STORE_CTX_set_chain(ctx, dane->chain);
+    OPENSSL_assert(dane->chain == X509_STORE_CTX_get0_untrusted(ctx));
+    }
+  }
 
-  /*
-   * Name checks and usage 0/1 constraint enforcement are delayed until
-   * X509_verify_cert() builds the full chain and calls our verify_chain()
-   * wrapper.
-   */
-  dane->verify = X509_STORE_CTX_get_verify(ctx);
-  X509_STORE_CTX_set_verify(ctx, verify_chain);
+/*
+ * Name checks and usage 0/1 constraint enforcement are delayed until
+ * X509_verify_cert() builds the full chain and calls our verify_chain()
+ * wrapper.
+ */
+dane->verify = X509_STORE_CTX_get_verify(ctx);
+X509_STORE_CTX_set_verify(ctx, verify_chain);
 
-  if (X509_verify_cert(ctx))
-    return 1;
+if (X509_verify_cert(ctx))
+  return 1;
 
-  /*
-   * If the chain is invalid, clear any matching cert or hostname, to
-   * protect callers that might erroneously rely on these alone without
-   * checking the validation status.
-   */
-  if (dane->match)
-    {
-    X509_free(dane->match);
-    dane->match = 0;
-    }
-  if (dane->mhost)
-    {
-    OPENSSL_free(dane->mhost);
-    dane->mhost = 0;
-    }
-   return 0;
+/*
+ * If the chain is invalid, clear any matching cert or hostname, to
+ * protect callers that might erroneously rely on these alone without
+ * checking the validation status.
+ */
+if (dane->match)
+  {
+  X509_free(dane->match);
+  dane->match = 0;
+  }
+if (dane->mhost)
+  {
+  OPENSSL_free(dane->mhost);
+  dane->mhost = 0;
+  }
+ return 0;
 }
 
 static dane_list