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Add arbitrary X509 extensions by OID string

This commit is contained in:
Jethro Beekman 2015-06-30 23:00:48 -07:00
parent e367567d00
commit b46574b635
4 changed files with 36 additions and 15 deletions
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1
openssl-sys/src/lib.rs
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@ -603,6 +603,7 @@ extern "C" {
pub fn X509_STORE_CTX_get_ex_data(ctx: *mut X509_STORE_CTX, idx: c_int) -> *mut c_void;
pub fn X509V3_EXT_conf_nid(conf: *mut c_void, ctx: *mut X509V3_CTX, ext_nid: c_int, value: *mut c_char) -> *mut X509_EXTENSION;
pub fn X509V3_EXT_conf(conf: *mut c_void, ctx: *mut X509V3_CTX, name: *mut c_char, value: *mut c_char) -> *mut X509_EXTENSION;
pub fn X509V3_set_ctx(ctx: *mut X509V3_CTX, issuer: *mut X509, subject: *mut X509, req: *mut X509_REQ, crl: *mut X509_CRL, flags: c_int);
pub fn i2d_RSA_PUBKEY(k: *mut RSA, buf: *const *mut u8) -> c_int;

24
openssl/src/x509/extension.rs
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@ -1,11 +1,12 @@
use std::fmt;
use nid::Nid;
#[derive(Clone,Copy,Hash,PartialEq,Eq)]
#[derive(Clone,Hash,PartialEq,Eq)]
pub enum ExtensionType {
KeyUsage,
ExtKeyUsage,
OtherNid(Nid),
OtherStr(String),
}
#[derive(Clone)]
@ -13,6 +14,7 @@ pub enum Extension {
KeyUsage(Vec<KeyUsageOption>),
ExtKeyUsage(Vec<ExtKeyUsageOption>),
OtherNid(Nid,String),
OtherStr(String,String),
}
impl Extension {
@ -21,14 +23,25 @@ impl Extension {
&Extension::KeyUsage(_) => ExtensionType::KeyUsage,
&Extension::ExtKeyUsage(_) => ExtensionType::ExtKeyUsage,
&Extension::OtherNid(nid,_) => ExtensionType::OtherNid(nid),
&Extension::OtherStr(ref s,_) => ExtensionType::OtherStr(s.clone()),
}
}
}
pub fn get_nid(&self) -> Nid {
impl ExtensionType {
pub fn get_nid(&self) -> Option<Nid> {
match self {
&Extension::KeyUsage(_) => Nid::KeyUsage,
&Extension::ExtKeyUsage(_) => Nid::ExtendedKeyUsage,
&Extension::OtherNid(nid,_) => nid,
&ExtensionType::KeyUsage => Some(Nid::KeyUsage),
&ExtensionType::ExtKeyUsage => Some(Nid::ExtendedKeyUsage),
&ExtensionType::OtherNid(nid) => Some(nid),
&ExtensionType::OtherStr(_) => None,
}
}
pub fn get_name<'a>(&'a self) -> Option<&'a str> {
match self {
&ExtensionType::OtherStr(ref s) => Some(s),
_ => None,
}
}
}
@ -49,6 +62,7 @@ impl ToString for Extension {
&Extension::KeyUsage(ref purposes) => join(purposes.iter(),","),
&Extension::ExtKeyUsage(ref purposes) => join(purposes.iter(),","),
&Extension::OtherNid(_,ref value) => value.clone(),
&Extension::OtherStr(_,ref value) => value.clone(),
}
}
}

19
openssl/src/x509/mod.rs
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@ -242,17 +242,22 @@ impl X509Generator {
self
}
fn add_extension_internal(x509: *mut ffi::X509, extension: c_int, value: &str) -> Result<(), SslError> {
fn add_extension_internal(x509: *mut ffi::X509, exttype: &extension::ExtensionType, value: &str) -> Result<(), SslError> {
unsafe {
let mut ctx: ffi::X509V3_CTX = mem::zeroed();
ffi::X509V3_set_ctx(&mut ctx, x509, x509,
ptr::null_mut(), ptr::null_mut(), 0);
let value = CString::new(value.as_bytes()).unwrap();
let ext = ffi::X509V3_EXT_conf_nid(ptr::null_mut(),
let ext=match exttype.get_nid() {
Some(nid) => ffi::X509V3_EXT_conf_nid(ptr::null_mut(),
mem::transmute(&ctx),
extension,
value.as_ptr() as *mut c_char);
nid as c_int,
value.as_ptr() as *mut c_char),
None => ffi::X509V3_EXT_conf(ptr::null_mut(),
mem::transmute(&ctx),
exttype.get_name().unwrap().as_ptr() as *mut c_char,
value.as_ptr() as *mut c_char),
};
let mut success = false;
if ext != ptr::null_mut() {
success = ffi::X509_add_ext(x509, ext, -1) != 0;
@ -331,8 +336,8 @@ impl X509Generator {
try!(X509Generator::add_name(name, "CN", &self.CN));
ffi::X509_set_issuer_name(x509.handle, name);
for ext in self.extensions.values() {
try!(X509Generator::add_extension_internal(x509.handle, ext.get_nid() as c_int, &ext.to_string()));
for (exttype,ext) in self.extensions.iter() {
try!(X509Generator::add_extension_internal(x509.handle, exttype, &ext.to_string()));
}
let hash_fn = self.hash_type.evp_md();

7
openssl/src/x509/tests.rs
View File

@ -5,7 +5,7 @@ use std::fs::File;
use crypto::hash::Type::{SHA256};
use x509::{X509, X509Generator};
use x509::extension::Extension::{KeyUsage,ExtKeyUsage,OtherNid};
use x509::extension::Extension::{KeyUsage,ExtKeyUsage,OtherNid,OtherStr};
use x509::extension::KeyUsageOption::{DigitalSignature, KeyEncipherment};
use x509::extension::ExtKeyUsageOption::{self, ClientAuth, ServerAuth};
use nid::Nid;
@ -18,8 +18,9 @@ fn test_cert_gen() {
.set_CN("test_me")
.set_sign_hash(SHA256)
.add_extension(KeyUsage(vec![DigitalSignature, KeyEncipherment]))
.add_extension(ExtKeyUsage(vec![ClientAuth, ServerAuth, ExtKeyUsageOption::Other("2.999".to_owned())]))
.add_extension(OtherNid(Nid::BasicConstraints,"critical,CA:TRUE".to_owned()));
.add_extension(ExtKeyUsage(vec![ClientAuth, ServerAuth, ExtKeyUsageOption::Other("2.999.1".to_owned())]))
.add_extension(OtherNid(Nid::BasicConstraints,"critical,CA:TRUE".to_owned()))
.add_extension(OtherStr("2.999.2".to_owned(),"ASN1:UTF8:example value".to_owned()));
let (cert, pkey) = gen.generate().unwrap();
cert.write_pem(&mut io::sink()).unwrap();