From d4d670204f3c1b46521a3ca7ace389c9b8b7c4b8 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Wed, 18 Mar 2015 21:59:33 -0500
Subject: new openssl bindings for parsing some x509 extensions

---
 src/cryptography/hazmat/bindings/openssl/x509.py   |  1 +
 src/cryptography/hazmat/bindings/openssl/x509v3.py | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/cryptography/hazmat/bindings/openssl/x509.py b/src/cryptography/hazmat/bindings/openssl/x509.py
index f5638da7..949a936e 100644
--- a/src/cryptography/hazmat/bindings/openssl/x509.py
+++ b/src/cryptography/hazmat/bindings/openssl/x509.py
@@ -139,6 +139,7 @@ int X509_get_ext_count(X509 *);
 int X509_add_ext(X509 *, X509_EXTENSION *, int);
 X509_EXTENSION *X509_EXTENSION_dup(X509_EXTENSION *);
 X509_EXTENSION *X509_get_ext(X509 *, int);
+int X509_get_ext_by_NID(X509 *, int, int);
 int X509_EXTENSION_get_critical(X509_EXTENSION *);
 ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *);
 void X509_EXTENSION_free(X509_EXTENSION *);
diff --git a/src/cryptography/hazmat/bindings/openssl/x509v3.py b/src/cryptography/hazmat/bindings/openssl/x509v3.py
index 3b007249..13bf9a21 100644
--- a/src/cryptography/hazmat/bindings/openssl/x509v3.py
+++ b/src/cryptography/hazmat/bindings/openssl/x509v3.py
@@ -54,6 +54,11 @@ typedef struct {
     ...;
 } EDIPARTYNAME;
 
+typedef struct {
+    int ca;
+    ASN1_INTEGER *pathlen;
+} BASIC_CONSTRAINTS;
+
 typedef struct {
     int type;
     union {
@@ -81,6 +86,12 @@ typedef struct {
 
 typedef struct stack_st_GENERAL_NAME GENERAL_NAMES;
 
+typedef struct {
+    ASN1_OCTET_STRING *keyid;
+    GENERAL_NAMES *issuer;
+    ASN1_INTEGER *serial;
+} AUTHORITY_KEYID;
+
 typedef ... Cryptography_LHASH_OF_CONF_VALUE;
 """
 
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