From d79090a00a26f31f48d1facc2178950f6e090e4a Mon Sep 17 00:00:00 2001
From: Charlie Li <git@vishwin.info>
Date: Wed, 24 Apr 2019 23:15:56 -0400
Subject: [PATCH] Reconcile exdata and version functions between
 libraries/versions.

---
 openssl-sys/build/cfgs.rs |  3 +++
 openssl-sys/src/crypto.rs | 10 ++++++++--
 openssl/build.rs          |  4 ++++
 openssl/src/ssl/mod.rs    |  9 ++++++---
 openssl/src/version.rs    |  2 +-
 5 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/openssl-sys/build/cfgs.rs b/openssl-sys/build/cfgs.rs
index 6de8a078..c74c2bb0 100644
--- a/openssl-sys/build/cfgs.rs
+++ b/openssl-sys/build/cfgs.rs
@@ -13,6 +13,9 @@ pub fn get(openssl_version: Option<u64>, libressl_version: Option<u64>) -> Vec<&
         if libressl_version >= 0x2_07_00_00_0 {
             cfgs.push("libressl270");
         }
+        if libressl_version >= 0x2_07_01_00_0 {
+            cfgs.push("libressl271");
+        }
         if libressl_version >= 0x2_07_03_00_0 {
             cfgs.push("libressl273");
         }
diff --git a/openssl-sys/src/crypto.rs b/openssl-sys/src/crypto.rs
index 48f4e062..24e495cd 100644
--- a/openssl-sys/src/crypto.rs
+++ b/openssl-sys/src/crypto.rs
@@ -15,7 +15,13 @@ cfg_if! {
     if #[cfg(ossl110)] {
         pub const CRYPTO_EX_INDEX_SSL: c_int = 0;
         pub const CRYPTO_EX_INDEX_SSL_CTX: c_int = 1;
-
+    } else if #[cfg(libressl)] {
+        pub const CRYPTO_EX_INDEX_SSL: c_int = 1;
+        pub const CRYPTO_EX_INDEX_SSL_CTX: c_int = 2;
+    }
+}
+cfg_if! {
+    if #[cfg(any(ossl110, libressl271))] {
         extern "C" {
             pub fn OpenSSL_version_num() -> c_ulong;
             pub fn OpenSSL_version(key: c_int) -> *const c_char;
@@ -64,7 +70,7 @@ pub type CRYPTO_EX_free = unsafe extern "C" fn(
     argp: *mut c_void,
 );
 extern "C" {
-    #[cfg(ossl110)]
+    #[cfg(any(ossl110, libressl))]
     pub fn CRYPTO_get_ex_new_index(
         class_index: c_int,
         argl: c_long,
diff --git a/openssl/build.rs b/openssl/build.rs
index 3b3f09d6..c1a5ccff 100644
--- a/openssl/build.rs
+++ b/openssl/build.rs
@@ -46,6 +46,10 @@ fn main() {
             println!("cargo:rustc-cfg=libressl270");
         }
 
+        if version >= 0x2_07_01_00_0 {
+            println!("cargo:rustc-cfg=libressl271");
+        }
+
         if version >= 0x2_07_03_00_0 {
             println!("cargo:rustc-cfg=libressl273");
         }
diff --git a/openssl/src/ssl/mod.rs b/openssl/src/ssl/mod.rs
index 00b3179b..8f173637 100644
--- a/openssl/src/ssl/mod.rs
+++ b/openssl/src/ssl/mod.rs
@@ -3833,7 +3833,12 @@ cfg_if! {
 cfg_if! {
     if #[cfg(any(ossl110, libressl291))] {
         use ffi::{TLS_method, DTLS_method};
-
+    } else {
+        use ffi::{SSLv23_method as TLS_method, DTLSv1_method as DTLS_method};
+    }
+}
+cfg_if! {
+    if #[cfg(ossl110)] {
         unsafe fn get_new_idx(f: ffi::CRYPTO_EX_free) -> c_int {
             ffi::CRYPTO_get_ex_new_index(
                 ffi::CRYPTO_EX_INDEX_SSL_CTX,
@@ -3856,8 +3861,6 @@ cfg_if! {
             )
         }
     } else {
-        use ffi::{SSLv23_method as TLS_method, DTLSv1_method as DTLS_method};
-
         unsafe fn get_new_idx(f: ffi::CRYPTO_EX_free) -> c_int {
             ffi::SSL_CTX_get_ex_new_index(0, ptr::null_mut(), None, None, Some(f))
         }
diff --git a/openssl/src/version.rs b/openssl/src/version.rs
index dc8508d1..0d2d5bb6 100644
--- a/openssl/src/version.rs
+++ b/openssl/src/version.rs
@@ -14,7 +14,7 @@
 use std::ffi::CStr;
 
 cfg_if! {
-    if #[cfg(ossl110)] {
+    if #[cfg(any(ossl110, libressl271))] {
         use ffi::{
             OPENSSL_VERSION, OPENSSL_CFLAGS, OPENSSL_BUILT_ON, OPENSSL_PLATFORM, OPENSSL_DIR,
             OpenSSL_version_num, OpenSSL_version,