Implement SSL_renegotiate_pending

Author: ctz

MATRIX.md

@@ -405,7 +405,7 @@
 | `SSL_read_ex`  |  |  |  |  |
 | `SSL_renegotiate`  |  |  |  | :exclamation: [^stub] |
 | `SSL_renegotiate_abbreviated`  |  |  |  |  |
-| `SSL_renegotiate_pending`  |  |  | :white_check_mark: |  |
+| `SSL_renegotiate_pending`  |  |  | :white_check_mark: | :white_check_mark: |
 | `SSL_rstate_string`  |  |  |  |  |
 | `SSL_rstate_string_long`  |  |  |  |  |
 | `SSL_select_next_proto`  |  | :white_check_mark: | :white_check_mark: | :white_check_mark: |

build.rs

@@ -199,6 +199,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_read",
     "SSL_read_early_data",
     "SSL_renegotiate",
+    "SSL_renegotiate_pending",
     "SSL_select_next_proto",
     "SSL_sendfile",
     "SSL_SESSION_free",

src/entry.rs

@@ -1494,6 +1494,13 @@ entry! {
     }
 }
 
+entry! {
+    pub fn _SSL_renegotiate_pending(_ssl: *mut SSL) -> c_int {
+        // rustls does not implement renegotiation, so it is never pending.
+        0
+    }
+}
+
 impl Castable for SSL {
     type Ownership = OwnershipArc;
     type RustType = NotThreadSafe<Self>;

tests/client.c

@@ -100,6 +100,7 @@ int main(int argc, char **argv) {
   printf("SSL_get_verify_depth default %d\n", SSL_get_verify_depth(ssl));
   printf("SSL_get_min_proto_version 0x%lx\n", SSL_get_min_proto_version(ssl));
   printf("SSL_get_max_proto_version 0x%lx\n", SSL_get_max_proto_version(ssl));
+  printf("SSL_renegotiate_pending %d\n", SSL_renegotiate_pending(ssl));
   printf("SSL_get_servername: %s (%d)\n",
          SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name),
          SSL_get_servername_type(ssl));