From 36d2e257c6b00f816443ac53ba7f8f015b06e3ee Mon Sep 17 00:00:00 2001
From: Pierre Chifflier <chifflier@wzdftpd.net>
Date: Mon, 9 Mar 2020 20:36:21 +0100
Subject: [PATCH] rust/x509: use the raw serial number so leading zeros are not
 removed

---
 rust/Cargo.toml.in   | 2 +-
 rust/src/x509/mod.rs | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/rust/Cargo.toml.in b/rust/Cargo.toml.in
index 05bea9cffe..b85d8f53c2 100644
--- a/rust/Cargo.toml.in
+++ b/rust/Cargo.toml.in
@@ -34,4 +34,4 @@ ntp-parser = "0.4"
 ipsec-parser = "0.5"
 snmp-parser = "0.5"
 tls-parser = "0.9"
-x509-parser = "0.6"
+x509-parser = "0.6.5"
diff --git a/rust/src/x509/mod.rs b/rust/src/x509/mod.rs
index 780dc6291f..f003b2a292 100644
--- a/rust/src/x509/mod.rs
+++ b/rust/src/x509/mod.rs
@@ -65,7 +65,12 @@ pub extern "C" fn rs_x509_get_serial(ptr: *const X509) -> *mut c_char {
         return std::ptr::null_mut();
     }
     let x509 = cast_pointer! {ptr, X509};
-    let serial = x509.0.tbs_certificate.serial.to_string();
+    let raw_serial = x509.0.tbs_certificate.raw_serial();
+    let v : Vec<_> = raw_serial
+        .iter()
+        .map(|x| format!("{:02X}", x))
+        .collect();
+    let serial = v.join(":");
     rust_string_to_c(serial)
 }