rfc2253 0.1.0

A RFC2253 parser written in Rust Edit


A small rust library that parses RFC2253 encoded distinguished name strings. You can use this to decode the output of openssl's x509_NAME_print_ex(..., XN_FLAG_RFC2253) or nginx's $ssl_client_s_dn and $ssl_client_i_dn variables.


Add this to your Cargo.toml file:

rfc2253 = "*"

The example below shows how to parse a RFC2253 encoded distinguished name.

extern crate rfc2253;

fn main() {
  let dn_str = "C=DE,CN=Hans Tester,OU=ACME Inc.,O=ACME Inc.,L=Berlin,ST=Berlin";
  let dn = rfc2253::parse_distinguished_name_str(dn_str).unwrap();

  println!("{:?}", dn);
  assert!(dn.attributes.len() == 6);
  assert!(dn.attributes.get("CN").unwrap() == "Hans Tester");
  assert!(dn.attributes.get("C").unwrap() == "DE");
  assert!(dn.attributes.get("L").unwrap() == "Berlin");
  assert!(dn.attributes.get("ST").unwrap() == "Berlin");
  assert!(dn.attributes.get("O").unwrap() == "ACME Inc.");
  assert!(dn.attributes.get("OU").unwrap() == "ACME Inc.");


To build the rfc2253-rust library, run cargo build:

$ cd rfc2253-rust
$ cargo build

After you have made any changes to the code, run the test suite by executing cargo test:

$ cd rfc2253-rust
$ cargo test


Copyright © 2018 Nyantec GmbH <oss@nyantec.com>

  Paul Asmuth <asm@nyantec.com>

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