#include "ssl_locl.h"
#include <openssl/ct.h>
+
+#define CHECKLEN(curr, val, limit) \
+ (((curr) >= (limit)) || (size_t)((limit) - (curr)) < (size_t)(val))
+
static int tls_decrypt_ticket(SSL *s, const unsigned char *tick, int ticklen,
const unsigned char *sess_id, int sesslen,
SSL_SESSION **psess);
0, 24, /* secp384r1 (24) */
};
-static const unsigned char eccurves_all[] = {
- 0, 29, /* X25519 (29) */
- 0, 23, /* secp256r1 (23) */
- 0, 25, /* secp521r1 (25) */
- 0, 24, /* secp384r1 (24) */
- 0, 26, /* brainpoolP256r1 (26) */
- 0, 27, /* brainpoolP384r1 (27) */
- 0, 28, /* brainpool512r1 (28) */
-
- /*
- * Remaining curves disabled by default but still permitted if set
- * via an explicit callback or parameters.
- */
- 0, 22, /* secp256k1 (22) */
- 0, 14, /* sect571r1 (14) */
- 0, 13, /* sect571k1 (13) */
- 0, 11, /* sect409k1 (11) */
- 0, 12, /* sect409r1 (12) */
- 0, 9, /* sect283k1 (9) */
- 0, 10, /* sect283r1 (10) */
- 0, 20, /* secp224k1 (20) */
- 0, 21, /* secp224r1 (21) */
- 0, 18, /* secp192k1 (18) */
- 0, 19, /* secp192r1 (19) */
- 0, 15, /* secp160k1 (15) */
- 0, 16, /* secp160r1 (16) */
- 0, 17, /* secp160r2 (17) */
- 0, 8, /* sect239k1 (8) */
- 0, 6, /* sect233k1 (6) */
- 0, 7, /* sect233r1 (7) */
- 0, 4, /* sect193r1 (4) */
- 0, 5, /* sect193r2 (5) */
- 0, 1, /* sect163k1 (1) */
- 0, 2, /* sect163r1 (2) */
- 0, 3, /* sect163r2 (3) */
-};
-
-
static const unsigned char suiteb_curves[] = {
0, TLSEXT_curve_P_256,
0, TLSEXT_curve_P_384
* so cannot happen in the 1.0.x series.)
*/
static int tls1_get_curvelist(SSL *s, int sess,
- const unsigned char **pcurves,
- size_t *num_curves)
+ const unsigned char **pcurves, size_t *num_curves)
{
size_t pcurveslen = 0;
+
if (sess) {
*pcurves = s->session->tlsext_ellipticcurvelist;
pcurveslen = s->session->tlsext_ellipticcurvelist_length;
SSLerr(SSL_F_TLS1_GET_CURVELIST, ERR_R_INTERNAL_ERROR);
*num_curves = 0;
return 0;
- } else {
- *num_curves = pcurveslen / 2;
- return 1;
}
+ *num_curves = pcurveslen / 2;
+ return 1;
}
/* See if curve is allowed by security callback */
const unsigned char *pref, *supp;
size_t num_pref, num_supp, i, j;
int k;
+
/* Can't do anything on client side */
if (s->server == 0)
return -1;
* these are acceptable due to previous checks.
*/
unsigned long cid = s->s3->tmp.new_cipher->id;
+
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
return NID_X9_62_prime256v1; /* P-256 */
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384)
* Avoid truncation. tls1_get_curvelist takes an int
* but s->options is a long...
*/
- if (!tls1_get_curvelist
- (s, (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) != 0, &supp,
- &num_supp))
+ if (!tls1_get_curvelist(s,
+ (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) != 0,
+ &supp, &num_supp))
/* In practice, NID_undef == 0 but let's be precise. */
return nmatch == -1 ? 0 : NID_undef;
- if (!tls1_get_curvelist
- (s, !(s->options & SSL_OP_CIPHER_SERVER_PREFERENCE), &pref,
- &num_pref))
+ if (!tls1_get_curvelist(s,
+ (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) == 0,
+ &pref, &num_pref))
return nmatch == -1 ? 0 : NID_undef;
- /*
- * If the client didn't send the elliptic_curves extension all of them
- * are allowed.
- */
- if (num_supp == 0 && (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) != 0) {
- supp = eccurves_all;
- num_supp = sizeof(eccurves_all) / 2;
- } else if (num_pref == 0 &&
- (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) == 0) {
- pref = eccurves_all;
- num_pref = sizeof(eccurves_all) / 2;
- }
-
- k = 0;
- for (i = 0; i < num_pref; i++, pref += 2) {
+ for (k = 0, i = 0; i < num_pref; i++, pref += 2) {
const unsigned char *tsupp = supp;
+
for (j = 0; j < num_supp; j++, tsupp += 2) {
if (pref[0] == tsupp[0] && pref[1] == tsupp[1]) {
if (!tls_curve_allowed(s, pref, SSL_SECOP_CURVE_SHARED))
continue;
if (nmatch == k) {
int id = (pref[0] << 8) | pref[1];
+
return tls1_ec_curve_id2nid(id, NULL);
}
k++;
}
/* Set curves based on a colon separate list */
-int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
- const char *str)
+int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, const char *str)
{
nid_cb_st ncb;
ncb.nidcnt = 0;
*/
#ifdef OPENSSL_NO_RSA
-# define tlsext_sigalg_rsa(md) /* */
+# define tlsext_sigalg_rsa(md) /* */
#else
# define tlsext_sigalg_rsa(md) md, TLSEXT_signature_rsa,
#endif
#ifdef OPENSSL_NO_DSA
-# define tlsext_sigalg_dsa(md) /* */
+# define tlsext_sigalg_dsa(md) /* */
#else
# define tlsext_sigalg_dsa(md) md, TLSEXT_signature_dsa,
#endif
#ifdef OPENSSL_NO_EC
-# define tlsext_sigalg_ecdsa(md) /* */
+# define tlsext_sigalg_ecdsa(md)/* */
#else
# define tlsext_sigalg_ecdsa(md) md, TLSEXT_signature_ecdsa,
#endif
tlsext_sigalg(TLSEXT_hash_sha1)
#ifndef OPENSSL_NO_GOST
TLSEXT_hash_gostr3411, TLSEXT_signature_gostr34102001,
- TLSEXT_hash_gostr34112012_256, TLSEXT_signature_gostr34102012_256,
- TLSEXT_hash_gostr34112012_512, TLSEXT_signature_gostr34102012_512
+ TLSEXT_hash_gostr34112012_256, TLSEXT_signature_gostr34102012_256,
+ TLSEXT_hash_gostr34112012_512, TLSEXT_signature_gostr34102012_512
#endif
};
tlsext_sigalg_ecdsa(TLSEXT_hash_sha384)
};
#endif
-size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs)
+size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs)
{
/*
* If Suite B mode use Suite B sigalgs only, ignore any other
}
#endif
/* If server use client authentication sigalgs if not NULL */
- if (s->server && s->cert->client_sigalgs) {
+ if (s->server == sent && s->cert->client_sigalgs) {
*psigs = s->cert->client_sigalgs;
return s->cert->client_sigalgslen;
} else if (s->cert->conf_sigalgs) {
#endif
/* Check signature matches a type we sent */
- sent_sigslen = tls12_get_psigalgs(s, &sent_sigs);
+ sent_sigslen = tls12_get_psigalgs(s, 1, &sent_sigs);
for (i = 0; i < sent_sigslen; i += 2, sent_sigs += 2) {
if (sig[0] == sent_sigs[0] && sig[1] == sent_sigs[1])
break;
}
/* Make sure security callback allows algorithm */
if (!ssl_security(s, SSL_SECOP_SIGALG_CHECK,
- EVP_MD_size(*pmd) * 4, EVP_MD_type(*pmd),
- (void *)sig)) {
+ EVP_MD_size(*pmd) * 4, EVP_MD_type(*pmd), (void *)sig)) {
SSLerr(SSL_F_TLS12_CHECK_PEER_SIGALG, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
s->s3->tmp.mask_k = 0;
ssl_set_sig_mask(&s->s3->tmp.mask_a, s, SSL_SECOP_SIGALG_MASK);
ssl_get_client_min_max_version(s, &s->s3->tmp.min_ver, &s->s3->tmp.max_ver);
-# ifndef OPENSSL_NO_PSK
+#ifndef OPENSSL_NO_PSK
/* with PSK there must be client callback set */
if (!s->psk_client_callback) {
s->s3->tmp.mask_a |= SSL_aPSK;
s->s3->tmp.mask_k |= SSL_PSK;
}
-#endif /* OPENSSL_NO_PSK */
+#endif /* OPENSSL_NO_PSK */
#ifndef OPENSSL_NO_SRP
if (!(s->srp_ctx.srp_Mask & SSL_kSRP)) {
s->s3->tmp.mask_a |= SSL_aSRP;
if (s->s3->tmp.max_ver == 0)
return 1;
if (!SSL_IS_DTLS(s) && ((c->min_tls > s->s3->tmp.max_ver)
- || (c->max_tls < s->s3->tmp.min_ver)))
+ || (c->max_tls < s->s3->tmp.min_ver)))
return 1;
if (SSL_IS_DTLS(s) && (DTLS_VERSION_GT(c->min_dtls, s->s3->tmp.max_ver)
- || DTLS_VERSION_LT(c->max_dtls, s->s3->tmp.min_ver)))
+ || DTLS_VERSION_LT(c->max_dtls, s->s3->tmp.min_ver)))
return 1;
return !ssl_security(s, op, c->strength_bits, 0, (void *)c);
return ssl_security(s, SSL_SECOP_TICKET, 0, 0, NULL);
}
-static int compare_uint(const void *p1, const void *p2) {
+static int compare_uint(const void *p1, const void *p2)
+{
unsigned int u1 = *((const unsigned int *)p1);
unsigned int u2 = *((const unsigned int *)p2);
if (u1 < u2)
* contain duplicates, could not be successfully parsed, or an internal error
* occurred.
*/
-static int tls1_check_duplicate_extensions(const PACKET *packet) {
+static int tls1_check_duplicate_extensions(const PACKET *packet)
+{
PACKET extensions = *packet;
size_t num_extensions = 0, i = 0;
unsigned int *extension_types = NULL;
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
if ((alg_k & (SSL_kECDHE | SSL_kECDHEPSK))
- || (alg_a & SSL_aECDSA)) {
+ || (alg_a & SSL_aECDSA)) {
using_ecc = 1;
break;
}
return NULL;
}
- if ((limit - ret - 4 - el) < 0)
+ if (CHECKLEN(ret, 4 + el, limit))
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
if (s->tlsext_hostname != NULL) {
/* Add TLS extension servername to the Client Hello message */
- unsigned long size_str;
- long lenmax;
+ size_t size_str;
/*-
* check for enough space.
* 2 for hostname length
* + hostname length
*/
-
- if ((lenmax = limit - ret - 9) < 0
- || (size_str =
- strlen(s->tlsext_hostname)) > (unsigned long)lenmax)
+ size_str = strlen(s->tlsext_hostname);
+ if (CHECKLEN(ret, 9 + size_str, limit))
return NULL;
/* extension type and length */
if (s->srp_ctx.login != NULL) { /* Add TLS extension SRP username to the
* Client Hello message */
- int login_len = strlen(s->srp_ctx.login);
+ size_t login_len = strlen(s->srp_ctx.login);
if (login_len > 255 || login_len == 0) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
* 1 for the srp user identity
* + srp user identity length
*/
- if ((limit - ret - 5 - login_len) < 0)
+ if (CHECKLEN(ret, 5 + login_len, limit))
return NULL;
/* fill in the extension */
/*
* Add TLS extension ECPointFormats to the ClientHello message
*/
- long lenmax;
const unsigned char *pcurves, *pformats;
size_t num_curves, num_formats, curves_list_len;
size_t i;
tls1_get_formatlist(s, &pformats, &num_formats);
- if ((lenmax = limit - ret - 5) < 0)
- return NULL;
- if (num_formats > (size_t)lenmax)
- return NULL;
if (num_formats > 255) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
+ /*-
+ * check for enough space.
+ * 4 bytes for the ec point formats type and extension length
+ * 1 byte for the length of the formats
+ * + formats length
+ */
+ if (CHECKLEN(ret, 5 + num_formats, limit))
+ return NULL;
s2n(TLSEXT_TYPE_ec_point_formats, ret);
/* The point format list has 1-byte length. */
if (!tls1_get_curvelist(s, 0, &pcurves, &num_curves))
return NULL;
- if ((lenmax = limit - ret - 6) < 0)
- return NULL;
- if (num_curves > (size_t)lenmax / 2)
- return NULL;
if (num_curves > 65532 / 2) {
SSLerr(SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
+ /*-
+ * check for enough space.
+ * 4 bytes for the ec curves type and extension length
+ * 2 bytes for the curve list length
+ * + curve list length
+ */
+ if (CHECKLEN(ret, 6 + (num_curves * 2), limit))
+ return NULL;
s2n(TLSEXT_TYPE_elliptic_curves, ret);
etmp = ret + 4;
s2n(curves_list_len, ret);
ret += curves_list_len;
}
-#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_NO_EC */
if (tls_use_ticket(s)) {
- int ticklen;
+ size_t ticklen;
if (!s->new_session && s->session && s->session->tlsext_tick)
ticklen = s->session->tlsext_ticklen;
else if (s->session && s->tlsext_session_ticket &&
* Check for enough room 2 for extension type, 2 for len rest for
* ticket
*/
- if ((long)(limit - ret - 4 - ticklen) < 0)
+ if (CHECKLEN(ret, 4 + ticklen, limit))
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(ticklen, ret);
- if (ticklen) {
+ if (ticklen > 0) {
memcpy(ret, s->session->tlsext_tick, ticklen);
ret += ticklen;
}
size_t salglen;
const unsigned char *salg;
unsigned char *etmp;
- salglen = tls12_get_psigalgs(s, &salg);
- if ((size_t)(limit - ret) < salglen + 6)
+ salglen = tls12_get_psigalgs(s, 1, &salg);
+
+ /*-
+ * check for enough space.
+ * 4 bytes for the sigalgs type and extension length
+ * 2 bytes for the sigalg list length
+ * + sigalg list length
+ */
+ if (CHECKLEN(ret, salglen + 6, limit))
return NULL;
s2n(TLSEXT_TYPE_signature_algorithms, ret);
etmp = ret;
s2n(salglen, etmp);
ret += salglen;
}
-
#ifndef OPENSSL_NO_OCSP
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp) {
int i;
- long extlen, idlen, itmp;
+ size_t extlen, idlen;
+ int lentmp;
OCSP_RESPID *id;
idlen = 0;
for (i = 0; i < sk_OCSP_RESPID_num(s->tlsext_ocsp_ids); i++) {
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
- itmp = i2d_OCSP_RESPID(id, NULL);
- if (itmp <= 0)
+ lentmp = i2d_OCSP_RESPID(id, NULL);
+ if (lentmp <= 0)
return NULL;
- idlen += itmp + 2;
+ idlen += (size_t)lentmp + 2;
}
if (s->tlsext_ocsp_exts) {
- extlen = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);
- if (extlen < 0)
+ lentmp = i2d_X509_EXTENSIONS(s->tlsext_ocsp_exts, NULL);
+ if (lentmp < 0)
return NULL;
+ extlen = (size_t)lentmp;
} else
extlen = 0;
- if ((long)(limit - ret - 7 - extlen - idlen) < 0)
- return NULL;
- s2n(TLSEXT_TYPE_status_request, ret);
if (extlen + idlen > 0xFFF0)
return NULL;
+ /*
+ * 2 bytes for status request type
+ * 2 bytes for status request len
+ * 1 byte for OCSP request type
+ * 2 bytes for length of ids
+ * 2 bytes for length of extensions
+ * + length of ids
+ * + length of extensions
+ */
+ if (CHECKLEN(ret, 9 + idlen + extlen, limit))
+ return NULL;
+
+ s2n(TLSEXT_TYPE_status_request, ret);
s2n(extlen + idlen + 5, ret);
*(ret++) = TLSEXT_STATUSTYPE_ocsp;
s2n(idlen, ret);
id = sk_OCSP_RESPID_value(s->tlsext_ocsp_ids, i);
/* skip over id len */
ret += 2;
- itmp = i2d_OCSP_RESPID(id, &ret);
+ lentmp = i2d_OCSP_RESPID(id, &ret);
/* write id len */
- s2n(itmp, q);
+ s2n(lentmp, q);
}
s2n(extlen, ret);
if (extlen > 0)
#ifndef OPENSSL_NO_HEARTBEATS
if (SSL_IS_DTLS(s)) {
/* Add Heartbeat extension */
- if ((limit - ret - 4 - 1) < 0)
+
+ /*-
+ * check for enough space.
+ * 4 bytes for the heartbeat ext type and extension length
+ * 1 byte for the mode
+ */
+ if (CHECKLEN(ret, 5, limit))
return NULL;
+
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
/*-
* The client advertises an empty extension to indicate its support
* for Next Protocol Negotiation
*/
- if (limit - ret - 4 < 0)
+
+ /*-
+ * check for enough space.
+ * 4 bytes for the NPN ext type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(0, ret);
* (see longer comment below)
*/
if (s->alpn_client_proto_list && !s->s3->tmp.finish_md_len) {
- if ((size_t)(limit - ret) < 6 + s->alpn_client_proto_list_len)
+ /*-
+ * check for enough space.
+ * 4 bytes for the ALPN type and extension length
+ * 2 bytes for the ALPN protocol list length
+ * + ALPN protocol list length
+ */
+ if (CHECKLEN(ret, 6 + s->alpn_client_proto_list_len, limit))
return NULL;
s2n(TLSEXT_TYPE_application_layer_protocol_negotiation, ret);
s2n(2 + s->alpn_client_proto_list_len, ret);
return NULL;
}
- if ((limit - ret - 4 - el) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the SRTP type and extension length
+ * + SRTP profiles length
+ */
+ if (CHECKLEN(ret, 4 + el, limit))
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
/* Add custom TLS Extensions to ClientHello */
if (!custom_ext_add(s, 0, &ret, limit, al))
return NULL;
- s2n(TLSEXT_TYPE_encrypt_then_mac, ret);
- s2n(0, ret);
+ /*
+ * In 1.1.0 before 1.1.0c we negotiated EtM with DTLS, then just
+ * silently failed to actually do it. It is fixed in 1.1.1 but to
+ * ease the transition especially from 1.1.0b to 1.1.0c, we just
+ * disable it in 1.1.0.
+ */
+ if (!SSL_IS_DTLS(s)) {
+ /*-
+ * check for enough space.
+ * 4 bytes for the ETM type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
+ return NULL;
+ s2n(TLSEXT_TYPE_encrypt_then_mac, ret);
+ s2n(0, ret);
+ }
+
#ifndef OPENSSL_NO_CT
if (s->ct_validation_callback != NULL) {
+ /*-
+ * check for enough space.
+ * 4 bytes for the SCT type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
+ return NULL;
+
s2n(TLSEXT_TYPE_signed_certificate_timestamp, ret);
s2n(0, ret);
}
#endif
+
+ /*-
+ * check for enough space.
+ * 4 bytes for the EMS type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
+ return NULL;
s2n(TLSEXT_TYPE_extended_master_secret, ret);
s2n(0, ret);
else
hlen = 0;
+ /*-
+ * check for enough space. Strictly speaking we know we've already
+ * got enough space because to get here the message size is < 0x200,
+ * but we know that we've allocated far more than that in the buffer
+ * - but for consistency and robustness we're going to check anyway.
+ *
+ * 4 bytes for the padding type and extension length
+ * + padding length
+ */
+ if (CHECKLEN(ret, 4 + hlen, limit))
+ return NULL;
s2n(TLSEXT_TYPE_padding, ret);
s2n(hlen, ret);
memset(ret, 0, hlen);
return NULL;
}
- if ((limit - ret - 4 - el) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the reneg type and extension length
+ * + reneg data length
+ */
+ if (CHECKLEN(ret, 4 + el, limit))
return NULL;
s2n(TLSEXT_TYPE_renegotiate, ret);
if (!s->hit && s->servername_done == 1
&& s->session->tlsext_hostname != NULL) {
- if ((long)(limit - ret - 4) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the server name type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
return NULL;
s2n(TLSEXT_TYPE_server_name, ret);
/*
* Add TLS extension ECPointFormats to the ServerHello message
*/
- long lenmax;
tls1_get_formatlist(s, &plist, &plistlen);
- if ((lenmax = limit - ret - 5) < 0)
- return NULL;
- if (plistlen > (size_t)lenmax)
- return NULL;
if (plistlen > 255) {
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
+ /*-
+ * check for enough space.
+ * 4 bytes for the ec points format type and extension length
+ * 1 byte for the points format list length
+ * + length of points format list
+ */
+ if (CHECKLEN(ret, 5 + plistlen, limit))
+ return NULL;
+
s2n(TLSEXT_TYPE_ec_point_formats, ret);
s2n(plistlen + 1, ret);
*(ret++) = (unsigned char)plistlen;
* Currently the server should not respond with a SupportedCurves
* extension
*/
-#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_NO_EC */
if (s->tlsext_ticket_expected && tls_use_ticket(s)) {
- if ((long)(limit - ret - 4) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the Ticket type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
return NULL;
s2n(TLSEXT_TYPE_session_ticket, ret);
s2n(0, ret);
} else {
- /* if we don't add the above TLSEXT, we can't add a session ticket later */
+ /*
+ * if we don't add the above TLSEXT, we can't add a session ticket
+ * later
+ */
s->tlsext_ticket_expected = 0;
}
if (s->tlsext_status_expected) {
- if ((long)(limit - ret - 4) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the Status request type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
return NULL;
s2n(TLSEXT_TYPE_status_request, ret);
s2n(0, ret);
}
-
#ifndef OPENSSL_NO_SRTP
if (SSL_IS_DTLS(s) && s->srtp_profile) {
int el;
SSLerr(SSL_F_SSL_ADD_SERVERHELLO_TLSEXT, ERR_R_INTERNAL_ERROR);
return NULL;
}
- if ((limit - ret - 4 - el) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the SRTP profiles type and extension length
+ * + length of the SRTP profiles list
+ */
+ if (CHECKLEN(ret, 4 + el, limit))
return NULL;
s2n(TLSEXT_TYPE_use_srtp, ret);
0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,
0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17
};
- if (limit - ret < 36)
+
+ /* check for enough space. */
+ if (CHECKLEN(ret, sizeof(cryptopro_ext), limit))
return NULL;
- memcpy(ret, cryptopro_ext, 36);
- ret += 36;
+ memcpy(ret, cryptopro_ext, sizeof(cryptopro_ext));
+ ret += sizeof(cryptopro_ext);
}
#ifndef OPENSSL_NO_HEARTBEATS
/* Add Heartbeat extension if we've received one */
if (SSL_IS_DTLS(s) && (s->tlsext_heartbeat & SSL_DTLSEXT_HB_ENABLED)) {
- if ((limit - ret - 4 - 1) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the Heartbeat type and extension length
+ * 1 byte for the mode
+ */
+ if (CHECKLEN(ret, 5, limit))
return NULL;
s2n(TLSEXT_TYPE_heartbeat, ret);
s2n(1, ret);
s->
ctx->next_protos_advertised_cb_arg);
if (r == SSL_TLSEXT_ERR_OK) {
- if ((long)(limit - ret - 4 - npalen) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the NPN type and extension length
+ * + length of protocols list
+ */
+ if (CHECKLEN(ret, 4 + npalen, limit))
return NULL;
s2n(TLSEXT_TYPE_next_proto_neg, ret);
s2n(npalen, ret);
#endif
if (!custom_ext_add(s, 1, &ret, limit, al))
return NULL;
- if (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) {
+ if (s->tlsext_use_etm) {
/*
* Don't use encrypt_then_mac if AEAD or RC4 might want to disable
* for other cases too.
*/
- if (s->s3->tmp.new_cipher->algorithm_mac == SSL_AEAD
+ if (SSL_IS_DTLS(s) || s->s3->tmp.new_cipher->algorithm_mac == SSL_AEAD
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_RC4
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT
|| s->s3->tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT12)
- s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
+ s->tlsext_use_etm = 0;
else {
+ /*-
+ * check for enough space.
+ * 4 bytes for the ETM type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
+ return NULL;
s2n(TLSEXT_TYPE_encrypt_then_mac, ret);
s2n(0, ret);
}
}
if (s->s3->flags & TLS1_FLAGS_RECEIVED_EXTMS) {
+ /*-
+ * check for enough space.
+ * 4 bytes for the EMS type and extension length
+ */
+ if (CHECKLEN(ret, 4, limit))
+ return NULL;
s2n(TLSEXT_TYPE_extended_master_secret, ret);
s2n(0, ret);
}
if (s->s3->alpn_selected != NULL) {
const unsigned char *selected = s->s3->alpn_selected;
- unsigned int len = s->s3->alpn_selected_len;
+ size_t len = s->s3->alpn_selected_len;
- if ((long)(limit - ret - 4 - 2 - 1 - len) < 0)
+ /*-
+ * check for enough space.
+ * 4 bytes for the ALPN type and extension length
+ * 2 bytes for ALPN data length
+ * 1 byte for selected protocol length
+ * + length of the selected protocol
+ */
+ if (CHECKLEN(ret, 7 + len, limit))
return NULL;
s2n(TLSEXT_TYPE_application_layer_protocol_negotiation, ret);
s2n(3 + len, ret);
} while (PACKET_remaining(&protocol_list) != 0);
if (!PACKET_memdup(&save_protocol_list,
- &s->s3->alpn_proposed,
- &s->s3->alpn_proposed_len)) {
+ &s->s3->alpn_proposed, &s->s3->alpn_proposed_len)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
s->s3->is_probably_safari = PACKET_equal(&tmppkt, kSafariExtensionsBlock,
ext_len);
}
-#endif /* !OPENSSL_NO_EC */
+#endif /* !OPENSSL_NO_EC */
/*
* Parse ClientHello extensions and stash extension info in various parts of
#ifndef OPENSSL_NO_EC
if (s->options & SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
ssl_check_for_safari(s, pkt);
-# endif /* !OPENSSL_NO_EC */
+#endif /* !OPENSSL_NO_EC */
/* Clear any signature algorithms extension received */
OPENSSL_free(s->s3->tmp.peer_sigalgs);
s->s3->tmp.peer_sigalgs = NULL;
- s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
+ s->tlsext_use_etm = 0;
#ifndef OPENSSL_NO_SRP
OPENSSL_free(s->srp_ctx.login);
else if (type == TLSEXT_TYPE_ec_point_formats) {
PACKET ec_point_format_list;
- if (!PACKET_as_length_prefixed_1(&extension,
- &ec_point_format_list)
+ if (!PACKET_as_length_prefixed_1(&extension, &ec_point_format_list)
|| PACKET_remaining(&ec_point_format_list) == 0) {
return 0;
}
if (!s->hit) {
if (!PACKET_memdup(&ec_point_format_list,
&s->session->tlsext_ecpointformatlist,
- &s->session->tlsext_ecpointformatlist_length)) {
+ &s->
+ session->tlsext_ecpointformatlist_length)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
PACKET elliptic_curve_list;
/* Each NamedCurve is 2 bytes and we must have at least 1. */
- if (!PACKET_as_length_prefixed_2(&extension,
- &elliptic_curve_list)
+ if (!PACKET_as_length_prefixed_2(&extension, &elliptic_curve_list)
|| PACKET_remaining(&elliptic_curve_list) == 0
|| (PACKET_remaining(&elliptic_curve_list) % 2) != 0) {
return 0;
if (!s->hit) {
if (!PACKET_memdup(&elliptic_curve_list,
&s->session->tlsext_ellipticcurvelist,
- &s->session->tlsext_ellipticcurvelist_length)) {
+ &s->
+ session->tlsext_ellipticcurvelist_length)) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
}
}
-#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_NO_EC */
else if (type == TLSEXT_TYPE_session_ticket) {
if (s->tls_session_ticket_ext_cb &&
!s->tls_session_ticket_ext_cb(s, PACKET_data(&extension),
PACKET_remaining(&extension),
- s->tls_session_ticket_ext_cb_arg)) {
+ s->tls_session_ticket_ext_cb_arg))
+ {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
return 0;
}
- if (!s->hit) {
+ if (!s->hit) {
if (!tls1_save_sigalgs(s, PACKET_data(&supported_sig_algs),
PACKET_remaining(&supported_sig_algs))) {
return 0;
(unsigned int *)&s->tlsext_status_type)) {
return 0;
}
-
#ifndef OPENSSL_NO_OCSP
if (s->tlsext_status_type == TLSEXT_STATUSTYPE_ocsp) {
const unsigned char *ext_data;
PACKET responder_id_list, exts;
- if (!PACKET_get_length_prefixed_2(&extension, &responder_id_list))
+ if (!PACKET_get_length_prefixed_2
+ (&extension, &responder_id_list))
return 0;
+ /*
+ * We remove any OCSP_RESPIDs from a previous handshake
+ * to prevent unbounded memory growth - CVE-2016-6304
+ */
+ sk_OCSP_RESPID_pop_free(s->tlsext_ocsp_ids,
+ OCSP_RESPID_free);
+ if (PACKET_remaining(&responder_id_list) > 0) {
+ s->tlsext_ocsp_ids = sk_OCSP_RESPID_new_null();
+ if (s->tlsext_ocsp_ids == NULL) {
+ *al = SSL_AD_INTERNAL_ERROR;
+ return 0;
+ }
+ } else {
+ s->tlsext_ocsp_ids = NULL;
+ }
+
while (PACKET_remaining(&responder_id_list) > 0) {
OCSP_RESPID *id;
PACKET responder_id;
return 0;
}
- if (s->tlsext_ocsp_ids == NULL
- && (s->tlsext_ocsp_ids =
- sk_OCSP_RESPID_new_null()) == NULL) {
- *al = SSL_AD_INTERNAL_ERROR;
- return 0;
- }
-
id_data = PACKET_data(&responder_id);
id = d2i_OCSP_RESPID(NULL, &id_data,
PACKET_remaining(&responder_id));
unsigned int hbtype;
if (!PACKET_get_1(&extension, &hbtype)
- || PACKET_remaining(&extension)) {
+ || PACKET_remaining(&extension)) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
}
#endif
else if (type == TLSEXT_TYPE_encrypt_then_mac)
- s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC;
+ s->tlsext_use_etm = 1;
/*
* Note: extended master secret extension handled in
* tls_check_serverhello_tlsext_early()
}
if (PACKET_remaining(pkt) != 0) {
- /* tls1_check_duplicate_extensions should ensure this never happens. */
+ /*
+ * tls1_check_duplicate_extensions should ensure this never happens.
+ */
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
while (PACKET_remaining(pkt)) {
if (!PACKET_get_length_prefixed_1(pkt, &tmp_protocol)
- || PACKET_remaining(&tmp_protocol) == 0)
+ || PACKET_remaining(&tmp_protocol) == 0)
return 0;
}
SSL_DTLSEXT_HB_DONT_SEND_REQUESTS);
#endif
- s->s3->flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC;
+ s->tlsext_use_etm = 0;
s->s3->flags &= ~TLS1_FLAGS_RECEIVED_EXTMS;
PACKET spkt;
if (!PACKET_get_sub_packet(pkt, &spkt, size)
- || !PACKET_peek_bytes(&spkt, &data, size))
+ || !PACKET_peek_bytes(&spkt, &data, size))
goto ri_check;
if (s->tlsext_debug_cb)
else if (type == TLSEXT_TYPE_ec_point_formats) {
unsigned int ecpointformatlist_length;
if (!PACKET_get_1(&spkt, &ecpointformatlist_length)
- || ecpointformatlist_length != size - 1) {
+ || ecpointformatlist_length != size - 1) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
}
}
-#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_NO_EC */
else if (type == TLSEXT_TYPE_session_ticket) {
if (s->tls_session_ticket_ext_cb &&
return 0;
}
s->tlsext_ticket_expected = 1;
- }
- else if (type == TLSEXT_TYPE_status_request) {
+ } else if (type == TLSEXT_TYPE_status_request) {
/*
* MUST be empty and only sent if we've requested a status
* request message.
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
- if (s->
- ctx->next_proto_select_cb(s, &selected, &selected_len, data,
- size,
- s->ctx->next_proto_select_cb_arg) !=
+ if (s->ctx->next_proto_select_cb(s, &selected, &selected_len, data,
+ size,
+ s->
+ ctx->next_proto_select_cb_arg) !=
SSL_TLSEXT_ERR_OK) {
*al = TLS1_AD_INTERNAL_ERROR;
return 0;
}
+ /*
+ * Could be non-NULL if server has sent multiple NPN extensions in
+ * a single Serverhello
+ */
+ OPENSSL_free(s->next_proto_negotiated);
s->next_proto_negotiated = OPENSSL_malloc(selected_len);
if (s->next_proto_negotiated == NULL) {
*al = TLS1_AD_INTERNAL_ERROR;
* uint8 proto[proto_length];
*/
if (!PACKET_get_net_2(&spkt, &len)
- || PACKET_remaining(&spkt) != len
- || !PACKET_get_1(&spkt, &len)
- || PACKET_remaining(&spkt) != len) {
+ || PACKET_remaining(&spkt) != len || !PACKET_get_1(&spkt, &len)
+ || PACKET_remaining(&spkt) != len) {
*al = TLS1_AD_DECODE_ERROR;
return 0;
}
/* Ignore if inappropriate ciphersuite */
if (s->s3->tmp.new_cipher->algorithm_mac != SSL_AEAD
&& s->s3->tmp.new_cipher->algorithm_enc != SSL_RC4)
- s->s3->flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC;
- }
- else if (type == TLSEXT_TYPE_extended_master_secret) {
+ s->tlsext_use_etm = 1;
+ } else if (type == TLSEXT_TYPE_extended_master_secret) {
s->s3->flags |= TLS1_FLAGS_RECEIVED_EXTMS;
if (!s->hit)
s->session->flags |= SSL_SESS_FLAG_EXTMS;
if (!s->hit && tlsext_servername == 1) {
if (s->tlsext_hostname) {
if (s->session->tlsext_hostname == NULL) {
- s->session->tlsext_hostname = OPENSSL_strdup(s->tlsext_hostname);
+ s->session->tlsext_hostname =
+ OPENSSL_strdup(s->tlsext_hostname);
if (!s->session->tlsext_hostname) {
*al = SSL_AD_UNRECOGNIZED_NAME;
return 0;
*al = SSL_AD_HANDSHAKE_FAILURE;
SSLerr(SSL_F_SSL_SCAN_SERVERHELLO_TLSEXT, SSL_R_INCONSISTENT_EXTMS);
return 0;
- }
+ }
}
return 1;
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)
+ else if (s->session_ctx != NULL
+ && s->session_ctx->tlsext_servername_callback != 0)
ret =
- s->initial_ctx->tlsext_servername_callback(s, &al,
+ s->session_ctx->tlsext_servername_callback(s, &al,
s->
- initial_ctx->tlsext_servername_arg);
+ session_ctx->tlsext_servername_arg);
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
return 1;
}
}
+
/* Initialise digests to default values */
void ssl_set_default_md(SSL *s)
{
}
}
ret = SSL_TLSEXT_ERR_OK;
-#endif /* OPENSSL_NO_EC */
+#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)
+ else if (s->session_ctx != NULL
+ && s->session_ctx->tlsext_servername_callback != 0)
ret =
- s->initial_ctx->tlsext_servername_callback(s, &al,
+ s->session_ctx->tlsext_servername_callback(s, &al,
s->
- initial_ctx->tlsext_servername_arg);
+ session_ctx->tlsext_servername_arg);
/*
* Ensure we get sensible values passed to tlsext_status_cb in the event
unsigned int type, size;
if (!PACKET_get_net_2(&local_ext, &type)
- || !PACKET_get_net_2(&local_ext, &size)) {
+ || !PACKET_get_net_2(&local_ext, &size)) {
/* Shouldn't ever happen */
retv = -1;
goto end;
}
if (have_ticket == 0)
retv = 0;
-end:
+ end:
return retv;
}
unsigned char tick_hmac[EVP_MAX_MD_SIZE];
HMAC_CTX *hctx = NULL;
EVP_CIPHER_CTX *ctx;
- SSL_CTX *tctx = s->initial_ctx;
- /* Need at least keyname + iv + some encrypted data */
- if (eticklen < 48)
- return 2;
+ SSL_CTX *tctx = s->session_ctx;
+
/* Initialize session ticket encryption and HMAC contexts */
hctx = HMAC_CTX_new();
if (hctx == NULL)
if (HMAC_Init_ex(hctx, tctx->tlsext_tick_hmac_key,
sizeof(tctx->tlsext_tick_hmac_key),
EVP_sha256(), NULL) <= 0
- || EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL,
- tctx->tlsext_tick_aes_key,
- etick + sizeof(tctx->tlsext_tick_key_name)) <= 0) {
+ || EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL,
+ tctx->tlsext_tick_aes_key,
+ etick + sizeof(tctx->tlsext_tick_key_name)) <=
+ 0) {
goto err;
- }
+ }
}
/*
* Attempt to process session ticket, first conduct sanity and integrity
if (mlen < 0) {
goto err;
}
+ /* Sanity check ticket length: must exceed keyname + IV + HMAC */
+ if (eticklen <=
+ TLSEXT_KEYNAME_LENGTH + EVP_CIPHER_CTX_iv_length(ctx) + mlen) {
+ ret = 2;
+ goto err;
+ }
eticklen -= mlen;
/* Check HMAC of encrypted ticket */
if (HMAC_Update(hctx, etick, eticklen) <= 0
- || HMAC_Final(hctx, tick_hmac, NULL) <= 0) {
+ || HMAC_Final(hctx, tick_hmac, NULL) <= 0) {
goto err;
}
HMAC_CTX_free(hctx);
}
/* Attempt to decrypt session data */
/* Move p after IV to start of encrypted ticket, update length */
- p = etick + 16 + EVP_CIPHER_CTX_iv_length(ctx);
- eticklen -= 16 + EVP_CIPHER_CTX_iv_length(ctx);
+ p = etick + TLSEXT_KEYNAME_LENGTH + EVP_CIPHER_CTX_iv_length(ctx);
+ eticklen -= TLSEXT_KEYNAME_LENGTH + EVP_CIPHER_CTX_iv_length(ctx);
sdec = OPENSSL_malloc(eticklen);
- if (sdec == NULL
- || EVP_DecryptUpdate(ctx, sdec, &slen, p, eticklen) <= 0) {
+ if (sdec == NULL || EVP_DecryptUpdate(ctx, sdec, &slen, p, eticklen) <= 0) {
EVP_CIPHER_CTX_free(ctx);
OPENSSL_free(sdec);
return -1;
* For session parse failure, indicate that we need to send a new ticket.
*/
return 2;
-err:
+ err:
EVP_CIPHER_CTX_free(ctx);
HMAC_CTX_free(hctx);
return ret;
return NID_undef;
}
-int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
- const EVP_MD *md)
+int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, const EVP_MD *md)
{
int sig_id, md_id;
if (!md)
{NID_sha256, 128, SSL_MD_SHA256_IDX, TLSEXT_hash_sha256},
{NID_sha384, 192, SSL_MD_SHA384_IDX, TLSEXT_hash_sha384},
{NID_sha512, 256, SSL_MD_SHA512_IDX, TLSEXT_hash_sha512},
- {NID_id_GostR3411_94, 128, SSL_MD_GOST94_IDX, TLSEXT_hash_gostr3411},
- {NID_id_GostR3411_2012_256, 128, SSL_MD_GOST12_256_IDX, TLSEXT_hash_gostr34112012_256},
- {NID_id_GostR3411_2012_512, 256, SSL_MD_GOST12_512_IDX, TLSEXT_hash_gostr34112012_512},
+ {NID_id_GostR3411_94, 128, SSL_MD_GOST94_IDX, TLSEXT_hash_gostr3411},
+ {NID_id_GostR3411_2012_256, 128, SSL_MD_GOST12_256_IDX,
+ TLSEXT_hash_gostr34112012_256},
+ {NID_id_GostR3411_2012_512, 256, SSL_MD_GOST12_512_IDX,
+ TLSEXT_hash_gostr34112012_512},
};
static const tls12_hash_info *tls12_get_hash_info(unsigned char hash_alg)
if (hash_alg == 0)
return NULL;
- for (i=0; i < OSSL_NELEM(tls12_md_info); i++)
- {
+ for (i = 0; i < OSSL_NELEM(tls12_md_info); i++) {
if (tls12_md_info[i].tlsext_hash == hash_alg)
return tls12_md_info + i;
}
case TLSEXT_signature_ecdsa:
return SSL_PKEY_ECC;
#endif
-# ifndef OPENSSL_NO_GOST
+#ifndef OPENSSL_NO_GOST
case TLSEXT_signature_gostr34102001:
return SSL_PKEY_GOST01;
case TLSEXT_signature_gostr34102012_512:
return SSL_PKEY_GOST12_512;
-# endif
+#endif
}
return -1;
}
}
if (psignhash_nid) {
if (sign_nid == NID_undef || hash_nid == NID_undef
- || OBJ_find_sigid_by_algs(psignhash_nid, hash_nid,
- sign_nid) <= 0)
+ || OBJ_find_sigid_by_algs(psignhash_nid, hash_nid, sign_nid) <= 0)
*psignhash_nid = NID_undef;
}
}
* RSA, DSA, ECDSA. Do this for all versions not just TLS 1.2. To keep
* down calls to security callback only check if we have to.
*/
- sigalgslen = tls12_get_psigalgs(s, &sigalgs);
+ sigalgslen = tls12_get_psigalgs(s, 1, &sigalgs);
for (i = 0; i < sigalgslen; i += 2, sigalgs += 2) {
switch (sigalgs[1]) {
#ifndef OPENSSL_NO_RSA
conf = c->conf_sigalgs;
conflen = c->conf_sigalgslen;
} else
- conflen = tls12_get_psigalgs(s, &conf);
+ conflen = tls12_get_psigalgs(s, 0, &conf);
if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE || is_suiteb) {
pref = conf;
preflen = conflen;
if (pmd[SSL_PKEY_ECC] == NULL)
pmd[SSL_PKEY_ECC] = EVP_sha1();
#endif
-# ifndef OPENSSL_NO_GOST
+#ifndef OPENSSL_NO_GOST
if (pmd[SSL_PKEY_GOST01] == NULL)
pmd[SSL_PKEY_GOST01] = EVP_get_digestbynid(NID_id_GostR3411_94);
if (pmd[SSL_PKEY_GOST12_256] == NULL)
- pmd[SSL_PKEY_GOST12_256] = EVP_get_digestbynid(NID_id_GostR3411_2012_256);
+ pmd[SSL_PKEY_GOST12_256] =
+ EVP_get_digestbynid(NID_id_GostR3411_2012_256);
if (pmd[SSL_PKEY_GOST12_512] == NULL)
- pmd[SSL_PKEY_GOST12_512] = EVP_get_digestbynid(NID_id_GostR3411_2012_512);
-# endif
+ pmd[SSL_PKEY_GOST12_512] =
+ EVP_get_digestbynid(NID_id_GostR3411_2012_512);
+#endif
}
return 1;
}
return tls1_set_sigalgs(c, sig.sigalgs, sig.sigalgcnt, client);
}
-int tls1_set_sigalgs(CERT *c, const int *psig_nids, size_t salglen,
- int client)
+int tls1_set_sigalgs(CERT *c, const int *psig_nids, size_t salglen, int client)
{
unsigned char *sigalgs, *sptr;
int rhash, rsign;
return tls1_check_chain(s, x, pk, chain, -1);
}
-
#ifndef OPENSSL_NO_DH
DH *ssl_get_auto_dh(SSL *s)
{
projects / oweals / openssl.git / blobdiff