/* cookie stuff for DTLS */
if (SSL_IS_DTLS(s)) {
if (s->d1->cookie_len > sizeof(s->d1->cookie)
- || !WPACKET_sub_memcpy(&pkt, s->d1->cookie, s->d1->cookie_len,
- 1)) {
+ || !WPACKET_sub_memcpy_u8(&pkt, s->d1->cookie,
+ s->d1->cookie_len)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
goto err;
}
s->session->psk_identity = tmpidentity;
tmpidentity = NULL;
- if (!WPACKET_sub_memcpy(pkt, identity, identitylen, 2)) {
+ if (!WPACKET_sub_memcpy_u16(pkt, identity, identitylen)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_PSK_PREAMBLE, ERR_R_INTERNAL_ERROR);
*al = SSL_AD_INTERNAL_ERROR;
goto err;
/* send off the data */
DH_get0_key(dh_clnt, &pub_key, NULL);
- if (!WPACKET_start_sub_packet_u16(pkt)
- || !WPACKET_allocate_bytes(pkt, BN_num_bytes(pub_key), &keybytes)
- || !WPACKET_close(pkt))
+ if (!WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(pub_key), &keybytes))
goto err;
BN_bn2bin(pub_key, keybytes);
goto err;
}
- if (!WPACKET_sub_memcpy(pkt, encodedPoint, encoded_pt_len, 1)) {
+ if (!WPACKET_sub_memcpy_u8(pkt, encodedPoint, encoded_pt_len)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_ECDHE, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!WPACKET_put_bytes(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED, 1)
|| (msglen >= 0x80 && !WPACKET_put_bytes(pkt, 0x81, 1))
- || !WPACKET_sub_memcpy(pkt, tmp, msglen, 1)) {
+ || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {
*al = SSL_AD_INTERNAL_ERROR;
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);
goto err;
unsigned char *abytes = NULL;
if (s->srp_ctx.A == NULL
- || !WPACKET_start_sub_packet_u16(pkt)
- || !WPACKET_allocate_bytes(pkt, BN_num_bytes(s->srp_ctx.A),
- &abytes)
- || !WPACKET_close(pkt)) {
+ || !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A),
+ &abytes)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_SRP, ERR_R_INTERNAL_ERROR);
return 0;
}
int tls_construct_client_verify(SSL *s)
{
- unsigned char *p;
EVP_PKEY *pkey;
const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys];
EVP_MD_CTX *mctx;
unsigned u = 0;
- unsigned long n = 0;
long hdatalen = 0;
void *hdata;
+ unsigned char *sig = NULL;
+ WPACKET pkt;
+
+
+ if (!WPACKET_init(&pkt, s->init_buf)) {
+ /* Should not happen */
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ if (!ssl_set_handshake_header2(s, &pkt, SSL3_MT_CERTIFICATE_VERIFY)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
mctx = EVP_MD_CTX_new();
if (mctx == NULL) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);
goto err;
}
-
- p = ssl_handshake_start(s);
pkey = s->cert->key->privatekey;
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
goto err;
}
- if (SSL_USE_SIGALGS(s)) {
- if (!tls12_get_sigandhash(p, pkey, md)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
- goto err;
- }
- p += 2;
- n = 2;
+ if (SSL_USE_SIGALGS(s)&& !tls12_get_sigandhash(&pkt, pkey, md)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
}
#ifdef SSL_DEBUG
fprintf(stderr, "Using client alg %s\n", EVP_MD_name(md));
#endif
+ sig = OPENSSL_malloc(EVP_PKEY_size(pkey));
+ if (sig == NULL) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (!EVP_SignInit_ex(mctx, md, NULL)
|| !EVP_SignUpdate(mctx, hdata, hdatalen)
|| (s->version == SSL3_VERSION
&& !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,
s->session->master_key_length,
s->session->master_key))
- || !EVP_SignFinal(mctx, p + 2, &u, pkey)) {
+ || !EVP_SignFinal(mctx, sig, &u, pkey)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB);
goto err;
}
if (pktype == NID_id_GostR3410_2001
|| pktype == NID_id_GostR3410_2012_256
|| pktype == NID_id_GostR3410_2012_512)
- BUF_reverse(p + 2, NULL, u);
+ BUF_reverse(sig, NULL, u);
}
#endif
- s2n(u, p);
- n += u + 2;
+ if (!WPACKET_sub_memcpy_u16(&pkt, sig, u)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
/* Digest cached records and discard handshake buffer */
if (!ssl3_digest_cached_records(s, 0))
goto err;
- if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE_VERIFY, n)) {
+
+ if (!ssl_close_construct_packet(s, &pkt)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
goto err;
}
+ OPENSSL_free(sig);
EVP_MD_CTX_free(mctx);
return 1;
err:
+ WPACKET_cleanup(&pkt);
+ OPENSSL_free(sig);
EVP_MD_CTX_free(mctx);
+ ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
return 0;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
int tls_construct_next_proto(SSL *s)
{
- unsigned int len, padding_len;
- unsigned char *d;
+ size_t len, padding_len;
+ unsigned char *padding = NULL;
+ WPACKET pkt;
+
+ if (!WPACKET_init(&pkt, s->init_buf)) {
+ /* Should not happen */
+ SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ if (!ssl_set_handshake_header2(s, &pkt, SSL3_MT_NEXT_PROTO)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
len = s->next_proto_negotiated_len;
padding_len = 32 - ((len + 2) % 32);
- d = (unsigned char *)s->init_buf->data;
- d[4] = len;
- memcpy(d + 5, s->next_proto_negotiated, len);
- d[5 + len] = padding_len;
- memset(d + 6 + len, 0, padding_len);
- *(d++) = SSL3_MT_NEXT_PROTO;
- l2n3(2 + len + padding_len, d);
- s->init_num = 4 + 2 + len + padding_len;
- s->init_off = 0;
+
+ if (!WPACKET_sub_memcpy_u8(&pkt, s->next_proto_negotiated, len)
+ || !WPACKET_sub_allocate_bytes_u8(&pkt, padding_len, &padding)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+
+ memset(padding, 0, padding_len);
+
+ if (!ssl_close_construct_packet(s, &pkt)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_NEXT_PROTO, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
return 1;
+ err:
+ WPACKET_cleanup(&pkt);
+ ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);
+ return 0;
}
#endif
projects / openssl.git / blobdiff