Add add_alias method to X509Extension

Author: tpambor

openssl-sys/src/handwritten/x509v3.rs

@@ -78,6 +78,7 @@ const_ptr_api! {
 }
 
 extern "C" {
+    pub fn X509V3_EXT_add_alias(nid_to: c_int, nid_from: c_int) -> c_int;
     pub fn X509V3_EXT_d2i(ext: *mut X509_EXTENSION) -> *mut c_void;
     pub fn X509V3_EXT_i2d(ext_nid: c_int, crit: c_int, ext: *mut c_void) -> *mut X509_EXTENSION;
     pub fn X509V3_add1_i2d(

openssl/src/x509/mod.rs

@@ -842,6 +842,14 @@ impl X509Extension {
             cvt_p(ffi::X509V3_EXT_nconf_nid(conf, context, name, value)).map(X509Extension)
         }
     }
+
+    #[corresponds(X509V3_EXT_add_alias)]
+    pub fn add_alias(to: Nid, from: Nid) -> Result<(), ErrorStack> {
+        unsafe {
+            ffi::init();
+            cvt(ffi::X509V3_EXT_add_alias(to.as_raw(), from.as_raw())).map(|_| ())
+        }
+    }
 }
 
 /// A builder used to construct an `X509Name`.