in src/ssl/ssl_asn1.cc [206:435]
static int SSL_SESSION_to_bytes_full(const SSL_SESSION *in, CBB *cbb,
int for_ticket) {
if (in == NULL || in->cipher == NULL) {
return 0;
}
CBB session, child, child2;
if (!CBB_add_asn1(cbb, &session, CBS_ASN1_SEQUENCE) ||
!CBB_add_asn1_uint64(&session, kVersion) ||
!CBB_add_asn1_uint64(&session, in->ssl_version) ||
!CBB_add_asn1(&session, &child, CBS_ASN1_OCTETSTRING) ||
!CBB_add_u16(&child, (uint16_t)(in->cipher->id & 0xffff)) ||
// The session ID is irrelevant for a session ticket.
!CBB_add_asn1_octet_string(&session, in->session_id,
for_ticket ? 0 : in->session_id_length) ||
!CBB_add_asn1_octet_string(&session, in->secret, in->secret_length) ||
!CBB_add_asn1(&session, &child, kTimeTag) ||
!CBB_add_asn1_uint64(&child, in->time) ||
!CBB_add_asn1(&session, &child, kTimeoutTag) ||
!CBB_add_asn1_uint64(&child, in->timeout)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
// The peer certificate is only serialized if the SHA-256 isn't
// serialized instead.
if (sk_CRYPTO_BUFFER_num(in->certs.get()) > 0 && !in->peer_sha256_valid) {
const CRYPTO_BUFFER *buffer = sk_CRYPTO_BUFFER_value(in->certs.get(), 0);
if (!CBB_add_asn1(&session, &child, kPeerTag) ||
!CBB_add_bytes(&child, CRYPTO_BUFFER_data(buffer),
CRYPTO_BUFFER_len(buffer))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
// Although it is OPTIONAL and usually empty, OpenSSL has
// historically always encoded the sid_ctx.
if (!CBB_add_asn1(&session, &child, kSessionIDContextTag) ||
!CBB_add_asn1_octet_string(&child, in->sid_ctx, in->sid_ctx_length)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
if (in->verify_result != X509_V_OK) {
if (!CBB_add_asn1(&session, &child, kVerifyResultTag) ||
!CBB_add_asn1_uint64(&child, in->verify_result)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->psk_identity) {
if (!CBB_add_asn1(&session, &child, kPSKIdentityTag) ||
!CBB_add_asn1_octet_string(&child,
(const uint8_t *)in->psk_identity.get(),
strlen(in->psk_identity.get()))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->ticket_lifetime_hint > 0) {
if (!CBB_add_asn1(&session, &child, kTicketLifetimeHintTag) ||
!CBB_add_asn1_uint64(&child, in->ticket_lifetime_hint)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (!in->ticket.empty() && !for_ticket) {
if (!CBB_add_asn1(&session, &child, kTicketTag) ||
!CBB_add_asn1_octet_string(&child, in->ticket.data(),
in->ticket.size())) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->peer_sha256_valid) {
if (!CBB_add_asn1(&session, &child, kPeerSHA256Tag) ||
!CBB_add_asn1_octet_string(&child, in->peer_sha256,
sizeof(in->peer_sha256))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->original_handshake_hash_len > 0) {
if (!CBB_add_asn1(&session, &child, kOriginalHandshakeHashTag) ||
!CBB_add_asn1_octet_string(&child, in->original_handshake_hash,
in->original_handshake_hash_len)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->signed_cert_timestamp_list != nullptr) {
if (!CBB_add_asn1(&session, &child, kSignedCertTimestampListTag) ||
!CBB_add_asn1_octet_string(
&child, CRYPTO_BUFFER_data(in->signed_cert_timestamp_list.get()),
CRYPTO_BUFFER_len(in->signed_cert_timestamp_list.get()))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->ocsp_response != nullptr) {
if (!CBB_add_asn1(&session, &child, kOCSPResponseTag) ||
!CBB_add_asn1_octet_string(
&child, CRYPTO_BUFFER_data(in->ocsp_response.get()),
CRYPTO_BUFFER_len(in->ocsp_response.get()))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->extended_master_secret) {
if (!CBB_add_asn1(&session, &child, kExtendedMasterSecretTag) ||
!CBB_add_asn1_bool(&child, true)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->group_id > 0 &&
(!CBB_add_asn1(&session, &child, kGroupIDTag) ||
!CBB_add_asn1_uint64(&child, in->group_id))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
// The certificate chain is only serialized if the leaf's SHA-256 isn't
// serialized instead.
if (in->certs != NULL &&
!in->peer_sha256_valid &&
sk_CRYPTO_BUFFER_num(in->certs.get()) >= 2) {
if (!CBB_add_asn1(&session, &child, kCertChainTag)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
for (size_t i = 1; i < sk_CRYPTO_BUFFER_num(in->certs.get()); i++) {
const CRYPTO_BUFFER *buffer = sk_CRYPTO_BUFFER_value(in->certs.get(), i);
if (!CBB_add_bytes(&child, CRYPTO_BUFFER_data(buffer),
CRYPTO_BUFFER_len(buffer))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
}
if (in->ticket_age_add_valid) {
if (!CBB_add_asn1(&session, &child, kTicketAgeAddTag) ||
!CBB_add_asn1(&child, &child2, CBS_ASN1_OCTETSTRING) ||
!CBB_add_u32(&child2, in->ticket_age_add)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (!in->is_server) {
if (!CBB_add_asn1(&session, &child, kIsServerTag) ||
!CBB_add_asn1_bool(&child, false)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->peer_signature_algorithm != 0 &&
(!CBB_add_asn1(&session, &child, kPeerSignatureAlgorithmTag) ||
!CBB_add_asn1_uint64(&child, in->peer_signature_algorithm))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
if (in->ticket_max_early_data != 0 &&
(!CBB_add_asn1(&session, &child, kTicketMaxEarlyDataTag) ||
!CBB_add_asn1_uint64(&child, in->ticket_max_early_data))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
if (in->timeout != in->auth_timeout &&
(!CBB_add_asn1(&session, &child, kAuthTimeoutTag) ||
!CBB_add_asn1_uint64(&child, in->auth_timeout))) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!in->early_alpn.empty()) {
if (!CBB_add_asn1(&session, &child, kEarlyALPNTag) ||
!CBB_add_asn1_octet_string(&child, in->early_alpn.data(),
in->early_alpn.size())) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->is_quic) {
if (!CBB_add_asn1(&session, &child, kIsQuicTag) ||
!CBB_add_asn1_bool(&child, true)) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (!in->quic_early_data_context.empty()) {
if (!CBB_add_asn1(&session, &child, kQuicEarlyDataContextTag) ||
!CBB_add_asn1_octet_string(&child, in->quic_early_data_context.data(),
in->quic_early_data_context.size())) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
if (in->has_application_settings) {
if (!CBB_add_asn1(&session, &child, kLocalALPSTag) ||
!CBB_add_asn1_octet_string(&child,
in->local_application_settings.data(),
in->local_application_settings.size()) ||
!CBB_add_asn1(&session, &child, kPeerALPSTag) ||
!CBB_add_asn1_octet_string(&child, in->peer_application_settings.data(),
in->peer_application_settings.size())) {
OPENSSL_PUT_ERROR(SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
}
return CBB_flush(cbb);
}