Stub out SSL_get_client_random

Author: ctz

MATRIX.md

@@ -327,7 +327,7 @@
 | `SSL_get_ciphers`  |  |  |  | :exclamation: [^stub] |
 | `SSL_get_client_CA_list`  |  |  |  | :exclamation: [^stub] |
 | `SSL_get_client_ciphers`  |  |  |  |  |
-| `SSL_get_client_random`  |  |  | :white_check_mark: |  |
+| `SSL_get_client_random`  |  |  | :white_check_mark: | :exclamation: [^stub] |
 | `SSL_get_current_cipher`  | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | `SSL_get_current_compression`  |  |  |  | :white_check_mark: |
 | `SSL_get_current_expansion`  |  |  |  |  |

build.rs

@@ -158,6 +158,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_get_changed_async_fds",
     "SSL_get_ciphers",
     "SSL_get_client_CA_list",
+    "SSL_get_client_random",
     "SSL_get_current_cipher",
     "SSL_get_current_compression",
     "SSL_get_error",

src/entry.rs

@@ -2447,6 +2447,12 @@ entry_stub! {
     ) -> c_int;
 }
 
+// Unsafe low-level accessors.  OpenSSL docs say "you probably shouldn't use these functions."
+
+entry_stub! {
+    pub fn _SSL_get_client_random(_ssl: *const SSL, _out: *mut c_uchar, _outlen: usize) -> usize;
+}
+
 // ---------------------
 
 #[cfg(test)]