*/
int (*init)(SSL *s, unsigned int context);
/* Parse extension sent from client to server */
- int (*parse_ctos)(SSL *s, PACKET *pkt, int *al);
+ int (*parse_ctos)(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
/* Parse extension send from server to client */
- int (*parse_stoc)(SSL *s, PACKET *pkt, int *al);
+ int (*parse_stoc)(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
/* Construct extension sent from server to client */
int (*construct_stoc)(SSL *s, WPACKET *pkt, X509 *x, size_t chain,
int *al);
* Runs the parser for a given extension with index |idx|. |exts| contains the
* list of all parsed extensions previously collected by
* tls_collect_extensions(). The parser is only run if it is applicable for the
- * given |context| and the parser has not already been run. Returns 1 on success
- * or 0 on failure. In the event of a failure |*al| is populated with a suitable
- * alert code. If an extension is not present this counted as success.
+ * given |context| and the parser has not already been run. If this is for a
+ * Certificate message, then we also provide the parser with the relevant
+ * Certificate |x| and its position in the |chain| with 0 being the first
+ * Certificate. Returns 1 on success or 0 on failure. In the event of a failure
+ * |*al| is populated with a suitable alert code. If an extension is not present
+ * this counted as success.
*/
int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context,
- RAW_EXTENSION *exts, int *al)
+ RAW_EXTENSION *exts, X509 *x, size_t chain, int *al)
{
RAW_EXTENSION *currext = &exts[idx];
- int (*parser)(SSL *s, PACKET *pkt, int *al) = NULL;
+ int (*parser)(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al) = NULL;
/* Skip if the extension is not present */
if (!currext->present)
parser = s->server ? extdef->parse_ctos : extdef->parse_stoc;
if (parser != NULL)
- return parser(s, &currext->data, al);
+ return parser(s, &currext->data, x, chain, al);
/*
* If the parser is NULL we fall through to the custom extension
/*
* Parse all remaining extensions that have not yet been parsed. Also calls the
* finalisation for all extensions at the end, whether we collected them or not.
- * Returns 1 for success or 0 for failure. On failure, |*al| is populated with a
- * suitable alert code.
+ * Returns 1 for success or 0 for failure. If we are working on a Certificate
+ * message then we also pass the Certificate |x| and its position in the
+ * |chain|, with 0 being the first certificate. On failure, |*al| is populated
+ * with a suitable alert code.
*/
-int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts, int *al)
+int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts, X509 *x,
+ size_t chain, int *al)
{
size_t i, numexts = OSSL_NELEM(ext_defs);
const EXTENSION_DEFINITION *thisexd;
/* Parse each extension in turn */
for (i = 0; i < numexts; i++) {
- if (!tls_parse_extension(s, i, context, exts, al))
+ if (!tls_parse_extension(s, i, context, exts, x, chain, al))
return 0;
}
/*
* Parse the server's renegotiation binding and abort if it's not right
*/
-int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
size_t expected_len = s->s3->previous_client_finished_len
+ s->s3->previous_server_finished_len;
return 1;
}
-int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
if (s->tlsext_hostname == NULL || PACKET_remaining(pkt) > 0) {
*al = SSL_AD_UNRECOGNIZED_NAME;
}
#ifndef OPENSSL_NO_EC
-int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
unsigned int ecpointformatlist_length;
PACKET ecptformatlist;
}
#endif
-int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
if (s->tls_session_ticket_ext_cb != NULL &&
!s->tls_session_ticket_ext_cb(s, PACKET_data(pkt),
}
#ifndef OPENSSL_NO_OCSP
-int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
/*
* MUST be empty and only sent if we've requested a status
#ifndef OPENSSL_NO_CT
-int tls_parse_stoc_sct(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_sct(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
/*
* Only take it if we asked for it - i.e if there is no CT validation
return 1;
}
-int tls_parse_stoc_npn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_npn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
unsigned char *selected;
unsigned char selected_len;
}
#endif
-int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
size_t len;
}
#ifndef OPENSSL_NO_SRTP
-int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
unsigned int id, ct, mki;
int i;
}
#endif
-int tls_parse_stoc_etm(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_etm(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
/* Ignore if inappropriate ciphersuite */
if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
return 1;
}
-int tls_parse_stoc_ems(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_ems(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
s->s3->flags |= TLS1_FLAGS_RECEIVED_EXTMS;
if (!s->hit)
return 1;
}
-int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int group_id;
/*
* Parse the client's renegotiation binding and abort if it's not right
*/
-int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
unsigned int ilen;
const unsigned char *data;
* extension.
* - On session reconnect, the servername extension may be absent.
*/
-int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
unsigned int servname_type;
PACKET sni, hostname;
}
#ifndef OPENSSL_NO_SRP
-int tls_parse_ctos_srp(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_srp(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
PACKET srp_I;
#endif
#ifndef OPENSSL_NO_EC
-int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
PACKET ec_point_format_list;
}
#endif /* OPENSSL_NO_EC */
-int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s, PACKET_data(pkt),
return 1;
}
-int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
PACKET supported_sig_algs;
}
#ifndef OPENSSL_NO_OCSP
-int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
PACKET responder_id_list, exts;
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
-int tls_parse_ctos_npn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_npn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
/*
* We shouldn't accept this extension on a
* extension, not including type and length. |al| is a pointer to the alert
* value to send in the event of a failure. Returns: 1 on success, 0 on error.
*/
-int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
PACKET protocol_list, save_protocol_list, protocol;
}
#ifndef OPENSSL_NO_SRTP
-int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
STACK_OF(SRTP_PROTECTION_PROFILE) *srvr;
unsigned int ct, mki_len, id;
}
#endif
-int tls_parse_ctos_etm(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_etm(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC))
s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC;
* the raw PACKET data for the extension. Returns 1 on success or 0 on failure.
* If a failure occurs then |*al| is set to an appropriate alert value.
*/
-int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int group_id;
}
#ifndef OPENSSL_NO_EC
-int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al)
{
PACKET supported_groups_list;
}
#endif
-int tls_parse_ctos_ems(SSL *s, PACKET *pkt, int *al)
+int tls_parse_ctos_ems(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al)
{
/* The extension must always be empty */
if (PACKET_remaining(pkt) != 0) {
context = SSL_IS_TLS13(s) ? EXT_TLS1_3_SERVER_HELLO
: EXT_TLS1_2_SERVER_HELLO;
if (!tls_collect_extensions(s, &extpkt, context, &extensions, &al)
- || !tls_parse_all_extensions(s, context, extensions, &al))
+ || !tls_parse_all_extensions(s, context, extensions, NULL, 0, &al))
goto f_err;
#ifndef OPENSSL_NO_SCTP
|| !tls_parse_all_extensions(s,
EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| EXT_TLS1_3_CERTIFICATE,
- rawexts, &al))
+ rawexts, NULL, 0, &al))
goto err;
OPENSSL_free(rawexts);
__owur int tls_collect_extensions(SSL *s, PACKET *packet, unsigned int context,
RAW_EXTENSION **res, int *al);
__owur int tls_parse_extension(SSL *s, TLSEXT_INDEX idx, int context,
- RAW_EXTENSION *exts, int *al);
+ RAW_EXTENSION *exts, X509 *x, size_t chain,
+ int *al);
__owur int tls_parse_all_extensions(SSL *s, int context, RAW_EXTENSION *exts,
- int *al);
+ X509 *x, size_t chain, int *al);
__owur int tls_construct_extensions(SSL *s, WPACKET *pkt, unsigned int context,
X509 *x, size_t chain, int *al);
/* Server Extension processing */
-int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, int *al);
-int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_renegotiate(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
+int tls_parse_ctos_server_name(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#ifndef OPENSSL_NO_SRP
-int tls_parse_ctos_srp(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_srp(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#endif
#ifndef OPENSSL_NO_EC
-int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, int *al);
-int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_ec_pt_formats(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
+int tls_parse_ctos_supported_groups(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
-int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, int *al);
-int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_session_ticket(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
+int tls_parse_ctos_sig_algs(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#ifndef OPENSSL_NO_OCSP
-int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_status_request(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
-int tls_parse_ctos_npn(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_npn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#endif
-int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_alpn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#ifndef OPENSSL_NO_SRTP
-int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_use_srtp(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
-int tls_parse_ctos_etm(SSL *s, PACKET *pkt, int *al);
-int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, int *al);
-int tls_parse_ctos_ems(SSL *s, PACKET *pkt, int *al);
+int tls_parse_ctos_etm(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
+int tls_parse_ctos_key_share(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
+int tls_parse_ctos_ems(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
int tls_construct_stoc_renegotiate(SSL *s, WPACKET *pkt, X509 *x, size_t chain,
int *al);
int *al);
int tls_construct_ctos_padding(SSL *s, WPACKET *pkt, X509 *x, size_t chain,
int *al);
-int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, int *al);
-int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
+int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#ifndef OPENSSL_NO_EC
-int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
-int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#ifndef OPENSSL_NO_OCSP
-int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
#ifndef OPENSSL_NO_CT
-int tls_parse_stoc_sct(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_sct(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
-int tls_parse_stoc_npn(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_npn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#endif
-int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
#ifndef OPENSSL_NO_SRTP
-int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
#endif
-int tls_parse_stoc_etm(SSL *s, PACKET *pkt, int *al);
-int tls_parse_stoc_ems(SSL *s, PACKET *pkt, int *al);
-int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, int *al);
+int tls_parse_stoc_etm(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
+int tls_parse_stoc_ems(SSL *s, PACKET *pkt, X509 *x, size_t chain, int *al);
+int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, X509 *x, size_t chain,
+ int *al);
/* We need to do this before getting the session */
if (!tls_parse_extension(s, TLSEXT_IDX_extended_master_secret,
EXT_CLIENT_HELLO,
- clienthello.pre_proc_exts, &al)) {
+ clienthello.pre_proc_exts, NULL, 0, &al)) {
SSLerr(SSL_F_TLS_PROCESS_CLIENT_HELLO, SSL_R_CLIENTHELLO_TLSEXT);
goto f_err;
}
/* TLS extensions */
if (!tls_parse_all_extensions(s, EXT_CLIENT_HELLO,
- clienthello.pre_proc_exts, &al)) {
+ clienthello.pre_proc_exts, NULL, 0, &al)) {
SSLerr(SSL_F_TLS_PROCESS_CLIENT_HELLO, SSL_R_PARSE_TLSEXT);
goto f_err;
}