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465 lines (433 loc) · 14.1 KB
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// spell-checker: disable
//! OID (Object Identifier) management for SSL/TLS
//!
//! This module provides OID lookup functionality compatible with CPython's ssl module.
//! It uses oid-registry crate for well-known OIDs while maintaining NID (Numerical Identifier)
//! mappings for CPython compatibility.
use oid_registry::asn1_rs::Oid;
use std::collections::HashMap;
/// OID entry with openssl-compatible metadata
#[derive(Debug, Clone)]
pub struct OidEntry {
/// NID (OpenSSL Numerical Identifier) - must match CPython/OpenSSL values
pub nid: i32,
/// Short name (e.g., "CN", "serverAuth")
pub short_name: &'static str,
/// Long name/description (e.g., "commonName", "TLS Web Server Authentication")
pub long_name: &'static str,
/// OID reference (static or dynamic)
pub oid: OidRef,
}
/// OID reference - either from oid-registry or runtime-created
#[derive(Debug, Clone)]
pub enum OidRef {
/// Static OID from oid-registry crate (stored as value)
Static(Oid<'static>),
/// OID string (for OIDs not in oid-registry) - parsed on demand
String(&'static str),
}
impl OidEntry {
/// Create entry from oid-registry static constant
pub fn from_static(
nid: i32,
short_name: &'static str,
long_name: &'static str,
oid: &Oid<'static>,
) -> Self {
Self {
nid,
short_name,
long_name,
oid: OidRef::Static(oid.clone()),
}
}
/// Create entry from OID string (for OIDs not in oid-registry)
pub const fn from_string(
nid: i32,
short_name: &'static str,
long_name: &'static str,
oid_str: &'static str,
) -> Self {
Self {
nid,
short_name,
long_name,
oid: OidRef::String(oid_str),
}
}
/// Get OID as string (e.g., "2.5.4.3")
pub fn oid_string(&self) -> String {
match &self.oid {
OidRef::Static(oid) => oid.to_id_string(),
OidRef::String(s) => s.to_string(),
}
}
}
/// OID table with multiple indices for fast lookup
pub struct OidTable {
/// All entries
entries: Vec<OidEntry>,
/// NID -> index mapping
nid_to_idx: HashMap<i32, usize>,
/// Short name -> index mapping
short_name_to_idx: HashMap<&'static str, usize>,
/// Long name -> index mapping (case-insensitive)
long_name_to_idx: HashMap<String, usize>,
/// OID string -> index mapping
oid_str_to_idx: HashMap<String, usize>,
}
impl OidTable {
fn build() -> Self {
let entries = build_oid_entries();
let mut nid_to_idx = HashMap::with_capacity(entries.len());
let mut short_name_to_idx = HashMap::with_capacity(entries.len());
let mut long_name_to_idx = HashMap::with_capacity(entries.len());
let mut oid_str_to_idx = HashMap::with_capacity(entries.len());
for (idx, entry) in entries.iter().enumerate() {
nid_to_idx.insert(entry.nid, idx);
short_name_to_idx.insert(entry.short_name, idx);
long_name_to_idx.insert(entry.long_name.to_lowercase(), idx);
oid_str_to_idx.insert(entry.oid_string(), idx);
}
Self {
entries,
nid_to_idx,
short_name_to_idx,
long_name_to_idx,
oid_str_to_idx,
}
}
pub fn find_by_nid(&self, nid: i32) -> Option<&OidEntry> {
self.nid_to_idx.get(&nid).map(|&idx| &self.entries[idx])
}
pub fn find_by_oid_string(&self, oid_str: &str) -> Option<&OidEntry> {
self.oid_str_to_idx
.get(oid_str)
.map(|&idx| &self.entries[idx])
}
pub fn find_by_name(&self, name: &str) -> Option<&OidEntry> {
// Try short name first (exact match)
self.short_name_to_idx
.get(name)
.or_else(|| {
// Try long name (case-insensitive)
self.long_name_to_idx.get(&name.to_lowercase())
})
.map(|&idx| &self.entries[idx])
}
}
/// Global OID table
static OID_TABLE: rustpython_common::lock::LazyLock<OidTable> =
rustpython_common::lock::LazyLock::new(OidTable::build);
/// Macro to define OID entry using oid-registry constant
macro_rules! oid_static {
($nid:expr, $short:expr, $long:expr, $oid_const:path) => {
OidEntry::from_static($nid, $short, $long, &$oid_const)
};
}
/// Macro to define OID entry from string
macro_rules! oid_string {
($nid:expr, $short:expr, $long:expr, $oid_str:expr) => {
OidEntry::from_string($nid, $short, $long, $oid_str)
};
}
/// Build the complete OID table
fn build_oid_entries() -> Vec<OidEntry> {
vec![
// Priority 1: X.509 DN Attributes (OpenSSL NID values)
// These NIDs MUST match OpenSSL for CPython compatibility
oid_static!(13, "CN", "commonName", oid_registry::OID_X509_COMMON_NAME),
oid_static!(14, "C", "countryName", oid_registry::OID_X509_COUNTRY_NAME),
oid_static!(
15,
"L",
"localityName",
oid_registry::OID_X509_LOCALITY_NAME
),
oid_static!(
16,
"ST",
"stateOrProvinceName",
oid_registry::OID_X509_STATE_OR_PROVINCE_NAME
),
oid_static!(
17,
"O",
"organizationName",
oid_registry::OID_X509_ORGANIZATION_NAME
),
oid_static!(
18,
"OU",
"organizationalUnitName",
oid_registry::OID_X509_ORGANIZATIONAL_UNIT
),
oid_static!(41, "name", "name", oid_registry::OID_X509_NAME),
oid_static!(42, "GN", "givenName", oid_registry::OID_X509_GIVEN_NAME),
oid_static!(43, "initials", "initials", oid_registry::OID_X509_INITIALS),
oid_static!(
4,
"serialNumber",
"serialNumber",
oid_registry::OID_X509_SERIALNUMBER
),
oid_static!(100, "surname", "surname", oid_registry::OID_X509_SURNAME),
// emailAddress is special - it's in PKCS#9, not X.509
oid_static!(
48,
"emailAddress",
"emailAddress",
oid_registry::OID_PKCS9_EMAIL_ADDRESS
),
// Priority 2: X.509 Extensions (Critical ones)
oid_static!(
82,
"subjectKeyIdentifier",
"X509v3 Subject Key Identifier",
oid_registry::OID_X509_EXT_SUBJECT_KEY_IDENTIFIER
),
oid_static!(
83,
"keyUsage",
"X509v3 Key Usage",
oid_registry::OID_X509_EXT_KEY_USAGE
),
oid_static!(
85,
"subjectAltName",
"X509v3 Subject Alternative Name",
oid_registry::OID_X509_EXT_SUBJECT_ALT_NAME
),
oid_static!(
86,
"issuerAltName",
"X509v3 Issuer Alternative Name",
oid_registry::OID_X509_EXT_ISSUER_ALT_NAME
),
oid_static!(
87,
"basicConstraints",
"X509v3 Basic Constraints",
oid_registry::OID_X509_EXT_BASIC_CONSTRAINTS
),
oid_static!(
88,
"crlNumber",
"X509v3 CRL Number",
oid_registry::OID_X509_EXT_CRL_NUMBER
),
oid_static!(
90,
"authorityKeyIdentifier",
"X509v3 Authority Key Identifier",
oid_registry::OID_X509_EXT_AUTHORITY_KEY_IDENTIFIER
),
oid_static!(
126,
"extendedKeyUsage",
"X509v3 Extended Key Usage",
oid_registry::OID_X509_EXT_EXTENDED_KEY_USAGE
),
oid_static!(
103,
"crlDistributionPoints",
"X509v3 CRL Distribution Points",
oid_registry::OID_X509_EXT_CRL_DISTRIBUTION_POINTS
),
oid_static!(
89,
"certificatePolicies",
"X509v3 Certificate Policies",
oid_registry::OID_X509_EXT_CERTIFICATE_POLICIES
),
oid_static!(
177,
"authorityInfoAccess",
"Authority Information Access",
oid_registry::OID_PKIX_AUTHORITY_INFO_ACCESS
),
oid_static!(
105,
"nameConstraints",
"X509v3 Name Constraints",
oid_registry::OID_X509_EXT_NAME_CONSTRAINTS
),
// Priority 3: Extended Key Usage OIDs (not in oid-registry)
// These are defined in RFC 5280 but not in oid-registry, so we use strings
oid_string!(
129,
"serverAuth",
"TLS Web Server Authentication",
"1.3.6.1.5.5.7.3.1"
),
oid_string!(
130,
"clientAuth",
"TLS Web Client Authentication",
"1.3.6.1.5.5.7.3.2"
),
oid_string!(131, "codeSigning", "Code Signing", "1.3.6.1.5.5.7.3.3"),
oid_string!(
132,
"emailProtection",
"E-mail Protection",
"1.3.6.1.5.5.7.3.4"
),
oid_string!(133, "timeStamping", "Time Stamping", "1.3.6.1.5.5.7.3.8"),
oid_string!(180, "OCSPSigning", "OCSP Signing", "1.3.6.1.5.5.7.3.9"),
// Priority 4: Signature Algorithms
oid_static!(
6,
"rsaEncryption",
"rsaEncryption",
oid_registry::OID_PKCS1_RSAENCRYPTION
),
oid_static!(
65,
"sha1WithRSAEncryption",
"sha1WithRSAEncryption",
oid_registry::OID_PKCS1_SHA1WITHRSA
),
oid_static!(
668,
"sha256WithRSAEncryption",
"sha256WithRSAEncryption",
oid_registry::OID_PKCS1_SHA256WITHRSA
),
oid_static!(
669,
"sha384WithRSAEncryption",
"sha384WithRSAEncryption",
oid_registry::OID_PKCS1_SHA384WITHRSA
),
oid_static!(
670,
"sha512WithRSAEncryption",
"sha512WithRSAEncryption",
oid_registry::OID_PKCS1_SHA512WITHRSA
),
oid_static!(
408,
"id-ecPublicKey",
"id-ecPublicKey",
oid_registry::OID_KEY_TYPE_EC_PUBLIC_KEY
),
oid_static!(
794,
"ecdsa-with-SHA256",
"ecdsa-with-SHA256",
oid_registry::OID_SIG_ECDSA_WITH_SHA256
),
oid_static!(
795,
"ecdsa-with-SHA384",
"ecdsa-with-SHA384",
oid_registry::OID_SIG_ECDSA_WITH_SHA384
),
oid_static!(
796,
"ecdsa-with-SHA512",
"ecdsa-with-SHA512",
oid_registry::OID_SIG_ECDSA_WITH_SHA512
),
// Priority 5: Hash Algorithms
oid_string!(64, "sha1", "sha1", "1.3.14.3.2.26"),
oid_static!(672, "sha256", "sha256", oid_registry::OID_NIST_HASH_SHA256),
oid_static!(673, "sha384", "sha384", oid_registry::OID_NIST_HASH_SHA384),
oid_static!(674, "sha512", "sha512", oid_registry::OID_NIST_HASH_SHA512),
oid_string!(675, "sha224", "sha224", "2.16.840.1.101.3.4.2.4"),
// Priority 6: Elliptic Curve OIDs
oid_static!(714, "secp256r1", "secp256r1", oid_registry::OID_EC_P256),
oid_string!(715, "secp384r1", "secp384r1", "1.3.132.0.34"),
oid_string!(716, "secp521r1", "secp521r1", "1.3.132.0.35"),
oid_string!(1172, "X25519", "X25519", "1.3.101.110"),
oid_string!(1173, "Ed25519", "Ed25519", "1.3.101.112"),
// Additional useful OIDs
oid_string!(
183,
"subjectInfoAccess",
"Subject Information Access",
"1.3.6.1.5.5.7.1.11"
),
oid_string!(920, "OCSP", "OCSP", "1.3.6.1.5.5.7.48.1"),
oid_string!(921, "caIssuers", "CA Issuers", "1.3.6.1.5.5.7.48.2"),
]
}
// Public API Functions
/// Find OID entry by NID
pub fn find_by_nid(nid: i32) -> Option<&'static OidEntry> {
OID_TABLE.find_by_nid(nid)
}
/// Find OID entry by OID string (e.g., "2.5.4.3")
pub fn find_by_oid_string(oid_str: &str) -> Option<&'static OidEntry> {
OID_TABLE.find_by_oid_string(oid_str)
}
/// Find OID entry by name (short or long name)
pub fn find_by_name(name: &str) -> Option<&'static OidEntry> {
OID_TABLE.find_by_name(name)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_find_by_nid() {
let entry = find_by_nid(13).unwrap();
assert_eq!(entry.short_name, "CN");
assert_eq!(entry.long_name, "commonName");
assert_eq!(entry.oid_string(), "2.5.4.3");
}
#[test]
fn test_find_by_oid_string() {
let entry = find_by_oid_string("2.5.4.3").unwrap();
assert_eq!(entry.nid, 13);
assert_eq!(entry.short_name, "CN");
}
#[test]
fn test_find_by_name_short() {
let entry = find_by_name("CN").unwrap();
assert_eq!(entry.nid, 13);
assert_eq!(entry.oid_string(), "2.5.4.3");
}
#[test]
fn test_find_by_name_long() {
let entry = find_by_name("commonName").unwrap();
assert_eq!(entry.nid, 13);
assert_eq!(entry.short_name, "CN");
}
#[test]
fn test_find_by_name_case_insensitive() {
let entry = find_by_name("COMMONNAME").unwrap();
assert_eq!(entry.nid, 13);
}
#[test]
fn test_subject_alt_name() {
let entry = find_by_nid(85).unwrap();
assert_eq!(entry.short_name, "subjectAltName");
assert_eq!(entry.oid_string(), "2.5.29.17");
}
#[test]
fn test_server_auth_eku() {
let entry = find_by_nid(129).unwrap();
assert_eq!(entry.short_name, "serverAuth");
assert_eq!(entry.oid_string(), "1.3.6.1.5.5.7.3.1");
}
#[test]
fn test_no_duplicate_nids() {
let table = &*OID_TABLE;
assert_eq!(
table.entries.len(),
table.nid_to_idx.len(),
"Duplicate NIDs detected!"
);
}
#[test]
fn test_oid_count() {
let table = &*OID_TABLE;
// We should have 50+ OIDs defined
assert!(
table.entries.len() >= 50,
"Expected at least 50 OIDs, got {}",
table.entries.len()
);
}
}
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