Implement X509StoreContextRef::get_chain

openssl-sys/src/ossl10x.rs

@@ -583,6 +583,7 @@ extern {
     pub fn X509_get_ext_d2i(x: *mut ::X509, nid: c_int, crit: *mut c_int, idx: *mut c_int) -> *mut c_void;
     pub fn X509_NAME_get_entry(n: *mut ::X509_NAME, loc: c_int) -> *mut ::X509_NAME_ENTRY;
     pub fn X509_NAME_ENTRY_get_data(ne: *mut ::X509_NAME_ENTRY) -> *mut ::ASN1_STRING;
+    pub fn X509_STORE_CTX_get_chain(ctx: *mut ::X509_STORE_CTX) -> *mut stack_st_X509;
     pub fn ASN1_STRING_to_UTF8(out: *mut *mut c_uchar, s: *mut ::ASN1_STRING) -> c_int;
     pub fn ASN1_STRING_data(x: *mut ::ASN1_STRING) -> *mut c_uchar;
     pub fn CRYPTO_add_lock(pointer: *mut c_int,

openssl-sys/src/ossl110.rs

@@ -141,6 +141,7 @@ extern {
     pub fn X509_up_ref(x: *mut X509) -> c_int;
     pub fn SSL_CTX_up_ref(x: *mut SSL_CTX) -> c_int;
     pub fn X509_get0_extensions(req: *const ::X509) -> *const stack_st_X509_EXTENSION;
+    pub fn X509_STORE_CTX_get0_chain(ctx: *mut ::X509_STORE_CTX) -> *mut stack_st_X509;
     pub fn EVP_MD_CTX_new() -> *mut EVP_MD_CTX;
     pub fn EVP_MD_CTX_free(ctx: *mut EVP_MD_CTX);
 

openssl/src/x509/mod.rs

@@ -67,6 +67,28 @@ impl Ref<X509StoreContext> {
     pub fn error_depth(&self) -> u32 {
         unsafe { ffi::X509_STORE_CTX_get_error_depth(self.as_ptr()) as u32 }
     }
+
+    pub fn get_chain(&self) -> Option<&Ref<Stack<X509>>> {
+        unsafe {
+            let chain = self._get_chain();
+
+            if chain.is_null() {
+                return None;
+            }
+
+            Some(Ref::from_ptr(chain))
+        }
+    }
+
+    #[cfg(ossl110)]
+    unsafe fn _get_chain(&self) -> *mut ffi::stack_st_X509 {
+        ffi::X509_STORE_CTX_get0_chain(self.as_ptr())
+    }
+
+    #[cfg(ossl10x)]
+    unsafe fn _get_chain(&self) -> *mut ffi::stack_st_X509 {
+        ffi::X509_STORE_CTX_get_chain(self.as_ptr())
+    }
 }
 
 #[allow(non_snake_case)]
@@ -468,6 +490,10 @@ impl Borrow<Ref<X509>> for X509 {
         &*self
     }
 }
+ 
+impl Stackable for X509 {
+    type StackType = ffi::stack_st_X509;
+}
 
 type_!(X509Name, ffi::X509_NAME, ffi::X509_NAME_free);