From 59e4ab51284b09a8a70661caee24fce67567d360 Mon Sep 17 00:00:00 2001
From: Joseph Birr-Pixton <jpixton@gmail.com>
Date: Fri, 23 Feb 2024 15:19:22 +0000
Subject: [PATCH] Provide stubs for SSL_{CTX_,}_{get,set}_ex_data

---
 rustls-libssl/build.rs     |  4 ++++
 rustls-libssl/src/entry.rs | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/rustls-libssl/build.rs b/rustls-libssl/build.rs
index fdf5a6b..f467ea0 100644
--- a/rustls-libssl/build.rs
+++ b/rustls-libssl/build.rs
@@ -60,11 +60,13 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_CTX_ctrl",
     "SSL_CTX_free",
     "SSL_CTX_get_cert_store",
+    "SSL_CTX_get_ex_data",
     "SSL_CTX_get_options",
     "SSL_CTX_load_verify_dir",
     "SSL_CTX_load_verify_file",
     "SSL_CTX_new",
     "SSL_CTX_set_alpn_protos",
+    "SSL_CTX_set_ex_data",
     "SSL_CTX_set_options",
     "SSL_CTX_set_verify",
     "SSL_CTX_up_ref",
@@ -75,6 +77,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_get1_peer_certificate",
     "SSL_get_current_cipher",
     "SSL_get_error",
+    "SSL_get_ex_data",
     "SSL_get_options",
     "SSL_get_peer_cert_chain",
     "SSL_get_shutdown",
@@ -92,6 +95,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_set_alpn_protos",
     "SSL_set_bio",
     "SSL_set_connect_state",
+    "SSL_set_ex_data",
     "SSL_set_fd",
     "SSL_set_options",
     "SSL_set_shutdown",
diff --git a/rustls-libssl/src/entry.rs b/rustls-libssl/src/entry.rs
index 492fe50..eb9121f 100644
--- a/rustls-libssl/src/entry.rs
+++ b/rustls-libssl/src/entry.rs
@@ -116,6 +116,20 @@ entry! {
     }
 }
 
+entry! {
+    pub fn _SSL_CTX_set_ex_data(_ssl: *mut SSL_CTX, _idx: c_int, _data: *mut c_void) -> c_int {
+        // TODO: this always fails; it could be implemented faithfully
+        0
+    }
+}
+
+entry! {
+    pub fn _SSL_CTX_get_ex_data(_ssl: *const SSL_CTX, _idx: c_int) -> *mut c_void {
+        // TODO: this always fails; it could be implemented faithfully
+        ptr::null_mut()
+    }
+}
+
 entry! {
     pub fn _SSL_CTX_get_options(ctx: *const SSL_CTX) -> u64 {
         let ctx = try_clone_arc!(ctx);
@@ -352,6 +366,20 @@ entry! {
     }
 }
 
+entry! {
+    pub fn _SSL_set_ex_data(_ssl: *mut SSL, _idx: c_int, _data: *mut c_void) -> c_int {
+        // TODO: this always fails; it could be implemented faithfully
+        0
+    }
+}
+
+entry! {
+    pub fn _SSL_get_ex_data(_ssl: *const SSL, _idx: c_int) -> *mut c_void {
+        // TODO: this always fails; it could be implemented faithfully
+        ptr::null_mut()
+    }
+}
+
 entry! {
     pub fn _SSL_get_options(ssl: *const SSL) -> u64 {
         let ssl = try_clone_arc!(ssl);