#include "../ssl_locl.h"
#include "statem_locl.h"
-int tls_construct_client_renegotiate(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
/* Add RI if renegotiating */
if (!s->renegotiate)
|| !WPACKET_sub_memcpy_u8(pkt, s->s3->previous_client_finished,
s->s3->previous_client_finished_len)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_RENEGOTIATE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_RENEGOTIATE, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
-int tls_construct_client_server_name(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_server_name(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
if (s->tlsext_hostname == NULL)
return 1;
strlen(s->tlsext_hostname))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SERVER_NAME, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SERVER_NAME, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#ifndef OPENSSL_NO_SRP
-int tls_construct_client_srp(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_srp(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
/* Add SRP username if there is one */
if (s->srp_ctx.login == NULL)
strlen(s->srp_ctx.login))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SRP, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SRP, ERR_R_INTERNAL_ERROR);
return 0;
}
#ifndef OPENSSL_NO_EC
static int use_ecc(SSL *s)
{
- int using_ecc = 0;
- int i;
+ int i, end;
unsigned long alg_k, alg_a;
STACK_OF(SSL_CIPHER) *cipher_stack = NULL;
if (s->version == SSL3_VERSION)
return 0;
-
cipher_stack = SSL_get_ciphers(s);
-
- for (i = 0; i < sk_SSL_CIPHER_num(cipher_stack); i++) {
+ end = sk_SSL_CIPHER_num(cipher_stack);
+ for (i = 0; i < end; i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i);
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
if ((alg_k & (SSL_kECDHE | SSL_kECDHEPSK))
- || (alg_a & SSL_aECDSA)
- || c->min_tls >= TLS1_3_VERSION) {
- using_ecc = 1;
+ || (alg_a & SSL_aECDSA)
+ || c->min_tls >= TLS1_3_VERSION)
break;
- }
}
- return using_ecc;
+ return i < end;
}
-int tls_construct_client_ec_pt_formats(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
const unsigned char *pformats;
size_t num_formats;
return 1;
/* Add TLS extension ECPointFormats to the ClientHello message */
-
tls1_get_formatlist(s, &pformats, &num_formats);
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, pformats, num_formats)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_EC_PT_FORMATS, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_EC_PT_FORMATS, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
-
-int tls_construct_client_supported_groups(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
const unsigned char *pcurves = NULL, *pcurvestmp;
size_t num_curves = 0, i;
/* TODO(TLS1.3): Add support for DHE groups */
pcurves = s->tlsext_supportedgroupslist;
if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_GROUPS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,
ERR_R_INTERNAL_ERROR);
return 0;
}
/* Sub-packet for supported_groups extension */
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_GROUPS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,
ERR_R_INTERNAL_ERROR);
return 0;
}
if (tls_curve_allowed(s, pcurves, SSL_SECOP_CURVE_SUPPORTED)) {
if (!WPACKET_put_bytes_u8(pkt, pcurvestmp[0])
|| !WPACKET_put_bytes_u8(pkt, pcurvestmp[1])) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_GROUPS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_GROUPS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_GROUPS,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
#endif
-int tls_construct_client_session_ticket(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
size_t ticklen;
ticklen = s->tlsext_session_ticket->length;
s->session->tlsext_tick = OPENSSL_malloc(ticklen);
if (s->session->tlsext_tick == NULL) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SESSION_TICKET,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SESSION_TICKET,
ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)
|| !WPACKET_sub_memcpy_u16(pkt, s->session->tlsext_tick, ticklen)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SESSION_TICKET, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SESSION_TICKET, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
-int tls_construct_client_sig_algs(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
size_t salglen;
const unsigned char *salg;
return 1;
salglen = tls12_get_psigalgs(s, &salg);
-
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signature_algorithms)
/* Sub-packet for sig-algs extension */
|| !WPACKET_start_sub_packet_u16(pkt)
|| !tls12_copy_sigalgs(s, pkt, salg, salglen)
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SIG_ALGS, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SIG_ALGS, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#ifndef OPENSSL_NO_OCSP
-int tls_construct_client_status_request(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_status_request(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
int i;
+ /* This extension isn't defined for client Certificates */
+ if (x != NULL)
+ return 1;
+
if (s->tlsext_status_type != TLSEXT_STATUSTYPE_ocsp)
return 1;
|| !WPACKET_put_bytes_u8(pkt, TLSEXT_STATUSTYPE_ocsp)
/* Sub-packet for the ids */
|| !WPACKET_start_sub_packet_u16(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
return 0;
}
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
unsigned char *idbytes;
- int idlen;
- OCSP_RESPID *id;
+ OCSP_RESPID *id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
+ int idlen = i2d_OCSP_RESPID(id, NULL);
- id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
- idlen = i2d_OCSP_RESPID(id, NULL);
if (idlen <= 0
/* Sub-packet for an individual id */
|| !WPACKET_sub_allocate_bytes_u16(pkt, idlen, &idbytes)
|| i2d_OCSP_RESPID(id, &idbytes) != idlen) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_close(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
return 0;
}
if (s->tlsext_ocsp_exts) {
int extlen = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);
if (extlen < 0) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,
ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_allocate_bytes(pkt, extlen, &extbytes)
|| i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, &extbytes)
!= extlen) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_STATUS_REQUEST, ERR_R_INTERNAL_ERROR);
return 0;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
-int tls_construct_client_npn(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_npn(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
if (s->ctx->next_proto_select_cb == NULL || s->s3->tmp.finish_md_len != 0)
return 1;
*/
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_NPN, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_NPN, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#endif
-int tls_construct_client_alpn(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
s->s3->alpn_sent = 0;
|| !WPACKET_sub_memcpy_u16(pkt, s->alpn_client_proto_list,
s->alpn_client_proto_list_len)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_ALPN, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_ALPN, ERR_R_INTERNAL_ERROR);
return 0;
}
s->s3->alpn_sent = 1;
#ifndef OPENSSL_NO_SRTP
-int tls_construct_client_use_srtp(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
STACK_OF(SRTP_PROTECTION_PROFILE) *clnt = SSL_get_srtp_profiles(s);
- SRTP_PROTECTION_PROFILE *prof;
- int i, ct;
+ int i, end;
if (clnt == NULL)
return 1;
|| !WPACKET_start_sub_packet_u16(pkt)
/* Sub-packet for the protection profile list */
|| !WPACKET_start_sub_packet_u16(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_USE_SRTP, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_USE_SRTP, ERR_R_INTERNAL_ERROR);
return 0;
}
- ct = sk_SRTP_PROTECTION_PROFILE_num(clnt);
- for (i = 0; i < ct; i++) {
- prof = sk_SRTP_PROTECTION_PROFILE_value(clnt, i);
+
+ end = sk_SRTP_PROTECTION_PROFILE_num(clnt);
+ for (i = 0; i < end; i++) {
+ const SRTP_PROTECTION_PROFILE *prof =
+ sk_SRTP_PROTECTION_PROFILE_value(clnt, i);
+
if (prof == NULL || !WPACKET_put_bytes_u16(pkt, prof->id)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_USE_SRTP, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_USE_SRTP, ERR_R_INTERNAL_ERROR);
return 0;
}
}
/* Add an empty use_mki value */
|| !WPACKET_put_bytes_u8(pkt, 0)
|| !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_USE_SRTP, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_USE_SRTP, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#endif
-int tls_construct_client_etm(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_etm(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
if (s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
return 1;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_ETM, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_ETM, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#ifndef OPENSSL_NO_CT
-int tls_construct_client_sct(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_sct(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
if (s->ct_validation_callback == NULL)
return 1;
+ /* Not defined for client Certificates */
+ if (x != NULL)
+ return 1;
+
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signed_certificate_timestamp)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SCT, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SCT, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#endif
-int tls_construct_client_ems(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_ems(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_EMS, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_EMS, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
-int tls_construct_client_supported_versions(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt, X509 *x,
+ size_t chainidx, int *al)
{
int currv, min_version, max_version, reason;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_versions)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_VERSIONS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_VERSIONS,
ERR_R_INTERNAL_ERROR);
return 0;
}
reason = ssl_get_client_min_max_version(s, &min_version, &max_version);
if (reason != 0) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_VERSIONS, reason);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_VERSIONS, reason);
return 0;
}
/* TODO(TLS1.3): Remove this first if clause prior to release!! */
if (currv == TLS1_3_VERSION) {
if (!WPACKET_put_bytes_u16(pkt, TLS1_3_VERSION_DRAFT)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_VERSIONS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_VERSIONS,
ERR_R_INTERNAL_ERROR);
return 0;
}
} else if (!WPACKET_put_bytes_u16(pkt, currv)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_VERSIONS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_VERSIONS,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_SUPPORTED_VERSIONS,
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_SUPPORTED_VERSIONS,
ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
-
-int tls_construct_client_key_share(SSL *s, WPACKET *pkt, int *al)
+int tls_construct_ctos_key_share(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
+#ifndef OPENSSL_NO_TLS1_3
size_t i, sharessent = 0, num_curves = 0;
const unsigned char *pcurves = NULL;
|| !WPACKET_start_sub_packet_u16(pkt)
/* KeyShare list sub-packet */
|| !WPACKET_start_sub_packet_u16(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_INTERNAL_ERROR);
return 0;
}
pcurves = s->tlsext_supportedgroupslist;
if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_INTERNAL_ERROR);
return 0;
}
if (s->s3->tmp.pkey != NULL) {
/* Shouldn't happen! */
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_INTERNAL_ERROR);
return 0;
}
curve_id = (pcurves[0] << 8) | pcurves[1];
key_share_key = ssl_generate_pkey_curve(curve_id);
if (key_share_key == NULL) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_EVP_LIB);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_EVP_LIB);
return 0;
}
encodedlen = EVP_PKEY_get1_tls_encodedpoint(key_share_key,
&encodedPoint);
if (encodedlen == 0) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_EC_LIB);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_EC_LIB);
EVP_PKEY_free(key_share_key);
return 0;
}
/* Create KeyShareEntry */
if (!WPACKET_put_bytes_u16(pkt, curve_id)
|| !WPACKET_sub_memcpy_u16(pkt, encodedPoint, encodedlen)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_INTERNAL_ERROR);
EVP_PKEY_free(key_share_key);
OPENSSL_free(encodedPoint);
return 0;
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_KEY_SHARE, ERR_R_INTERNAL_ERROR);
return 0;
}
+#endif
return 1;
}
-int tls_construct_client_padding(SSL *s, WPACKET *pkt, int *al)
+#define F5_WORKAROUND_MIN_MSG_LEN 0xff
+#define F5_WORKAROUND_MAX_MSG_LEN 0x200
+
+int tls_construct_ctos_padding(SSL *s, WPACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
unsigned char *padbytes;
size_t hlen;
/*
* Add padding to workaround bugs in F5 terminators. See
* https://tools.ietf.org/html/draft-agl-tls-padding-03 NB: because this
- * code works out the length of all existing extensions it MUST always
+ * code calculates the length of all existing extensions it MUST always
* appear last.
*/
if (!WPACKET_get_total_written(pkt, &hlen)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_PADDING, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_PADDING, ERR_R_INTERNAL_ERROR);
return 0;
}
- if (hlen > 0xff && hlen < 0x200) {
- hlen = 0x200 - hlen;
+ if (hlen > F5_WORKAROUND_MIN_MSG_LEN && hlen < F5_WORKAROUND_MAX_MSG_LEN) {
+ /* Calculate the amond of padding we need to add */
+ hlen = F5_WORKAROUND_MAX_MSG_LEN - hlen;
+
+ /*
+ * Take off the size of extension header itself (2 bytes for type and
+ * 2 bytes for length bytes)
+ */
if (hlen >= 4)
hlen -= 4;
else
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_padding)
|| !WPACKET_sub_allocate_bytes_u16(pkt, hlen, &padbytes)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_PADDING, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CTOS_PADDING, ERR_R_INTERNAL_ERROR);
return 0;
}
memset(padbytes, 0, hlen);
/*
* Parse the server's renegotiation binding and abort if it's not right
*/
-int tls_parse_server_renegotiate(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
size_t expected_len = s->s3->previous_client_finished_len
+ s->s3->previous_server_finished_len;
/* Parse the length byte */
if (!PACKET_get_1_len(pkt, &ilen)) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_RENEGOTIATE,
+ SSLerr(SSL_F_TLS_PARSE_STOC_RENEGOTIATE,
SSL_R_RENEGOTIATION_ENCODING_ERR);
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
/* Consistency check */
if (PACKET_remaining(pkt) != ilen) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_RENEGOTIATE,
+ SSLerr(SSL_F_TLS_PARSE_STOC_RENEGOTIATE,
SSL_R_RENEGOTIATION_ENCODING_ERR);
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
/* Check that the extension matches */
if (ilen != expected_len) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_RENEGOTIATE,
+ SSLerr(SSL_F_TLS_PARSE_STOC_RENEGOTIATE,
SSL_R_RENEGOTIATION_MISMATCH);
*al = SSL_AD_HANDSHAKE_FAILURE;
return 0;
if (!PACKET_get_bytes(pkt, &data, s->s3->previous_client_finished_len)
|| memcmp(data, s->s3->previous_client_finished,
s->s3->previous_client_finished_len) != 0) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_RENEGOTIATE,
+ SSLerr(SSL_F_TLS_PARSE_STOC_RENEGOTIATE,
SSL_R_RENEGOTIATION_MISMATCH);
*al = SSL_AD_HANDSHAKE_FAILURE;
return 0;
if (!PACKET_get_bytes(pkt, &data, s->s3->previous_server_finished_len)
|| memcmp(data, s->s3->previous_server_finished,
s->s3->previous_server_finished_len) != 0) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_RENEGOTIATE,
+ SSLerr(SSL_F_TLS_PARSE_STOC_RENEGOTIATE,
SSL_R_RENEGOTIATION_MISMATCH);
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
return 1;
}
-int tls_parse_server_server_name(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
if (s->tlsext_hostname == NULL || PACKET_remaining(pkt) > 0) {
*al = SSL_AD_UNRECOGNIZED_NAME;
}
#ifndef OPENSSL_NO_EC
-int tls_parse_server_ec_pt_formats(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
unsigned int ecpointformatlist_length;
PACKET ecptformatlist;
}
#endif
-int tls_parse_server_session_ticket(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
- if (s->tls_session_ticket_ext_cb &&
+ if (s->tls_session_ticket_ext_cb != NULL &&
!s->tls_session_ticket_ext_cb(s, PACKET_data(pkt),
PACKET_remaining(pkt),
s->tls_session_ticket_ext_cb_arg)) {
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
+
if (!tls_use_ticket(s) || PACKET_remaining(pkt) > 0) {
*al = SSL_AD_UNSUPPORTED_EXTENSION;
return 0;
}
+
s->tlsext_ticket_expected = 1;
return 1;
}
#ifndef OPENSSL_NO_OCSP
-int tls_parse_server_status_request(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
/*
- * MUST be empty and only sent if we've requested a status
- * request message.
+ * MUST only be sent if we've requested a status
+ * request message. In TLS <= 1.2 it must also be empty.
*/
- if (s->tlsext_status_type == -1 || PACKET_remaining(pkt) > 0) {
+ if (s->tlsext_status_type == TLSEXT_STATUSTYPE_nothing
+ || (!SSL_IS_TLS13(s) && PACKET_remaining(pkt) > 0)) {
*al = SSL_AD_UNSUPPORTED_EXTENSION;
return 0;
}
+
+ if (SSL_IS_TLS13(s)) {
+ /* We only know how to handle this if it's for the first Certificate in
+ * the chain. We ignore any other repsonses.
+ */
+ if (chainidx != 0)
+ return 1;
+ return tls_process_cert_status_body(s, pkt, al);
+ }
+
/* Set flag to expect CertificateStatus message */
s->tlsext_status_expected = 1;
#ifndef OPENSSL_NO_CT
-int tls_parse_server_sct(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_sct(SSL *s, PACKET *pkt, X509 *x, size_t chainidx, int *al)
{
/*
* Only take it if we asked for it - i.e if there is no CT validation
size_t size = PACKET_remaining(pkt);
/* Simply copy it off for later processing */
- if (s->tlsext_scts != NULL) {
- OPENSSL_free(s->tlsext_scts);
- s->tlsext_scts = NULL;
- }
+ OPENSSL_free(s->tlsext_scts);
+ s->tlsext_scts = NULL;
+
s->tlsext_scts_len = size;
if (size > 0) {
s->tlsext_scts = OPENSSL_malloc(size);
return 1;
}
-int tls_parse_server_npn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_npn(SSL *s, PACKET *pkt, X509 *x, size_t chainidx, int *al)
{
unsigned char *selected;
unsigned char selected_len;
PACKET tmppkt;
+ /* Check if we are in a renegotiation. If so ignore this extension */
if (s->s3->tmp.finish_md_len != 0)
return 1;
*al = SSL_AD_UNSUPPORTED_EXTENSION;
return 0;
}
+
/* The data must be valid */
tmppkt = *pkt;
if (!ssl_next_proto_validate(&tmppkt)) {
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
+
/*
* Could be non-NULL if server has sent multiple NPN extensions in
* a single Serverhello
}
#endif
-int tls_parse_server_alpn(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, X509 *x, size_t chainidx, int *al)
{
size_t len;
}
#ifndef OPENSSL_NO_SRTP
-int tls_parse_server_use_srtp(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
unsigned int id, ct, mki;
int i;
STACK_OF(SRTP_PROTECTION_PROFILE) *clnt;
SRTP_PROTECTION_PROFILE *prof;
- if (!PACKET_get_net_2(pkt, &ct)
- || ct != 2 || !PACKET_get_net_2(pkt, &id)
- || !PACKET_get_1(pkt, &mki)
- || PACKET_remaining(pkt) != 0) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_USE_SRTP,
+ if (!PACKET_get_net_2(pkt, &ct) || ct != 2
+ || !PACKET_get_net_2(pkt, &id)
+ || !PACKET_get_1(pkt, &mki)
+ || PACKET_remaining(pkt) != 0) {
+ SSLerr(SSL_F_TLS_PARSE_STOC_USE_SRTP,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
*al = SSL_AD_DECODE_ERROR;
return 0;
if (mki != 0) {
/* Must be no MKI, since we never offer one */
- SSLerr(SSL_F_TLS_PARSE_SERVER_USE_SRTP, SSL_R_BAD_SRTP_MKI_VALUE);
+ SSLerr(SSL_F_TLS_PARSE_STOC_USE_SRTP, SSL_R_BAD_SRTP_MKI_VALUE);
*al = SSL_AD_ILLEGAL_PARAMETER;
return 0;
}
- clnt = SSL_get_srtp_profiles(s);
-
/* Throw an error if the server gave us an unsolicited extension */
+ clnt = SSL_get_srtp_profiles(s);
if (clnt == NULL) {
- SSLerr(SSL_F_TLS_PARSE_SERVER_USE_SRTP, SSL_R_NO_SRTP_PROFILES);
+ SSLerr(SSL_F_TLS_PARSE_STOC_USE_SRTP, SSL_R_NO_SRTP_PROFILES);
*al = SSL_AD_DECODE_ERROR;
return 0;
}
}
}
- SSLerr(SSL_F_TLS_PARSE_SERVER_USE_SRTP,
+ SSLerr(SSL_F_TLS_PARSE_STOC_USE_SRTP,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
*al = SSL_AD_DECODE_ERROR;
return 0;
}
#endif
-int tls_parse_server_etm(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_etm(SSL *s, PACKET *pkt, X509 *x, size_t chainidx, int *al)
{
/* Ignore if inappropriate ciphersuite */
if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
return 1;
}
-int tls_parse_server_ems(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_ems(SSL *s, PACKET *pkt, X509 *x, size_t chainidx, int *al)
{
s->s3->flags |= TLS1_FLAGS_RECEIVED_EXTMS;
if (!s->hit)
return 1;
}
-int tls_parse_server_key_share(SSL *s, PACKET *pkt, int *al)
+int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, X509 *x, size_t chainidx,
+ int *al)
{
+#ifndef OPENSSL_NO_TLS1_3
unsigned int group_id;
PACKET encoded_pt;
EVP_PKEY *ckey = s->s3->tmp.pkey, *skey = NULL;
/* Sanity check */
if (ckey == NULL) {
*al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!PACKET_get_net_2(pkt, &group_id)) {
*al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, SSL_R_LENGTH_MISMATCH);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, SSL_R_LENGTH_MISMATCH);
return 0;
}
* key_share!
*/
*al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, SSL_R_BAD_KEY_SHARE);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, SSL_R_BAD_KEY_SHARE);
return 0;
}
if (!PACKET_as_length_prefixed_2(pkt, &encoded_pt)
|| PACKET_remaining(&encoded_pt) == 0) {
*al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, SSL_R_LENGTH_MISMATCH);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, SSL_R_LENGTH_MISMATCH);
return 0;
}
skey = ssl_generate_pkey(ckey);
if (skey == NULL) {
*al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, ERR_R_MALLOC_FAILURE);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!EVP_PKEY_set1_tls_encodedpoint(skey, PACKET_data(&encoded_pt),
PACKET_remaining(&encoded_pt))) {
*al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, SSL_R_BAD_ECPOINT);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, SSL_R_BAD_ECPOINT);
+ EVP_PKEY_free(skey);
return 0;
}
if (ssl_derive(s, ckey, skey, 1) == 0) {
*al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_TLS_PARSE_SERVER_KEY_SHARE, ERR_R_INTERNAL_ERROR);
+ SSLerr(SSL_F_TLS_PARSE_STOC_KEY_SHARE, ERR_R_INTERNAL_ERROR);
EVP_PKEY_free(skey);
return 0;
}
EVP_PKEY_free(skey);
-
- return 1;
-}
-
-static int ssl_scan_serverhello_tlsext(SSL *s, PACKET *pkt, int *al)
-{
- RAW_EXTENSION *extensions = NULL;
- PACKET extpkt;
-
-#ifndef OPENSSL_NO_NEXTPROTONEG
- s->s3->next_proto_neg_seen = 0;
#endif
- s->tlsext_ticket_expected = 0;
-
- OPENSSL_free(s->s3->alpn_selected);
- s->s3->alpn_selected = NULL;
-
- s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
-
- s->s3->flags &= ~TLS1_FLAGS_RECEIVED_EXTMS;
-
- if (!PACKET_as_length_prefixed_2(pkt, &extpkt)) {
- /* Extensions block may be completely absent in SSLv3 */
- if (s->version != SSL3_VERSION || PACKET_remaining(pkt) != 0) {
- *al = SSL_AD_DECODE_ERROR;
- SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT, SSL_R_BAD_LENGTH);
- return 0;
- }
- PACKET_null_init(&extpkt);
- }
- /*
- * TODO(TLS1.3): We give multiple contexts for now until we're ready to
- * give something more specific
- */
-
- if (!tls_collect_extensions(s, &extpkt, EXT_TLS1_2_SERVER_HELLO
- | EXT_TLS1_3_SERVER_HELLO
- | EXT_TLS1_3_ENCRYPTED_EXTENSIONS
- | EXT_TLS1_3_CERTIFICATE,
- &extensions, al))
- return 0;
-
- /*
- * Determine if we need to see RI. Strictly speaking if we want to avoid
- * an attack we should *always* see RI even on initial server hello
- * because the client doesn't see any renegotiation during an attack.
- * However this would mean we could not connect to any server which
- * doesn't support RI so for the immediate future tolerate RI absence
- */
- if (!(s->options & SSL_OP_LEGACY_SERVER_CONNECT)
- && !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)
- && !extensions[TLSEXT_IDX_renegotiate].present) {
- *al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT,
- SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
- return 0;
- }
-
- if (!tls_parse_all_extensions(s, EXT_TLS1_2_SERVER_HELLO
- | EXT_TLS1_3_SERVER_HELLO
- | EXT_TLS1_3_ENCRYPTED_EXTENSIONS
- | EXT_TLS1_3_CERTIFICATE,
- extensions,al))
- return 0;
-
- if (s->hit) {
- /*
- * Check extended master secret extension is consistent with
- * original session.
- */
- if (!(s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) !=
- !(s->session->flags & SSL_SESS_FLAG_EXTMS)) {
- *al = SSL_AD_HANDSHAKE_FAILURE;
- SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT, SSL_R_INCONSISTENT_EXTMS);
- return 0;
- }
- }
-
- return 1;
-}
-
-static int ssl_check_serverhello_tlsext(SSL *s)
-{
- int ret = SSL_TLSEXT_ERR_NOACK;
- int al = SSL_AD_UNRECOGNIZED_NAME;
-
-#ifndef OPENSSL_NO_EC
- /*
- * If we are client and using an elliptic curve cryptography cipher
- * suite, then if server returns an EC point formats lists extension it
- * must contain uncompressed.
- */
- unsigned long alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
- unsigned long alg_a = s->s3->tmp.new_cipher->algorithm_auth;
- if ((s->tlsext_ecpointformatlist != NULL)
- && (s->tlsext_ecpointformatlist_length > 0)
- && (s->session->tlsext_ecpointformatlist != NULL)
- && (s->session->tlsext_ecpointformatlist_length > 0)
- && ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA))) {
- /* we are using an ECC cipher */
- size_t i;
- unsigned char *list;
- int found_uncompressed = 0;
- list = s->session->tlsext_ecpointformatlist;
- for (i = 0; i < s->session->tlsext_ecpointformatlist_length; i++) {
- if (*(list++) == TLSEXT_ECPOINTFORMAT_uncompressed) {
- found_uncompressed = 1;
- break;
- }
- }
- if (!found_uncompressed) {
- SSLerr(SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT,
- SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST);
- return -1;
- }
- }
- ret = SSL_TLSEXT_ERR_OK;
-#endif /* OPENSSL_NO_EC */
-
- if (s->ctx != NULL && s->ctx->tlsext_servername_callback != 0)
- ret =
- s->ctx->tlsext_servername_callback(s, &al,
- s->ctx->tlsext_servername_arg);
- else if (s->initial_ctx != NULL
- && s->initial_ctx->tlsext_servername_callback != 0)
- ret =
- s->initial_ctx->tlsext_servername_callback(s, &al,
- s->
- initial_ctx->tlsext_servername_arg);
-
- /*
- * Ensure we get sensible values passed to tlsext_status_cb in the event
- * that we don't receive a status message
- */
- OPENSSL_free(s->tlsext_ocsp_resp);
- s->tlsext_ocsp_resp = NULL;
- s->tlsext_ocsp_resplen = 0;
-
- switch (ret) {
- case SSL_TLSEXT_ERR_ALERT_FATAL:
- ssl3_send_alert(s, SSL3_AL_FATAL, al);
- return -1;
-
- case SSL_TLSEXT_ERR_ALERT_WARNING:
- ssl3_send_alert(s, SSL3_AL_WARNING, al);
- return 1;
-
- case SSL_TLSEXT_ERR_NOACK:
- s->servername_done = 0;
- default:
- return 1;
- }
-}
-
-int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt)
-{
- int al = -1;
- if (s->version < SSL3_VERSION)
- return 1;
- if (ssl_scan_serverhello_tlsext(s, pkt, &al) <= 0) {
- ssl3_send_alert(s, SSL3_AL_FATAL, al);
- return 0;
- }
-
- if (ssl_check_serverhello_tlsext(s) <= 0) {
- SSLerr(SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT, SSL_R_SERVERHELLO_TLSEXT);
- return 0;
- }
return 1;
}