-/* ssl/record/rec_layer_s3.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
void RECORD_LAYER_init(RECORD_LAYER *rl, SSL *s)
{
rl->s = s;
- SSL3_RECORD_clear(&rl->rrec);
- SSL3_RECORD_clear(&rl->wrec);
+ SSL3_RECORD_clear(rl->rrec, SSL_MAX_PIPELINES);
}
void RECORD_LAYER_clear(RECORD_LAYER *rl)
{
- unsigned char *rp, *wp;
- size_t rlen, wlen;
- int read_ahead;
- SSL *s;
- DTLS_RECORD_LAYER *d;
-
- s = rl->s;
- d = rl->d;
- read_ahead = rl->read_ahead;
- rp = SSL3_BUFFER_get_buf(&rl->rbuf);
- rlen = SSL3_BUFFER_get_len(&rl->rbuf);
- wp = SSL3_BUFFER_get_buf(&rl->wbuf);
- wlen = SSL3_BUFFER_get_len(&rl->wbuf);
- memset(rl, 0, sizeof (RECORD_LAYER));
- SSL3_BUFFER_set_buf(&rl->rbuf, rp);
- SSL3_BUFFER_set_len(&rl->rbuf, rlen);
- SSL3_BUFFER_set_buf(&rl->wbuf, wp);
- SSL3_BUFFER_set_len(&rl->wbuf, wlen);
-
- /* Do I need to do this? As far as I can tell read_ahead did not
+ unsigned int pipes;
+
+ rl->rstate = SSL_ST_READ_HEADER;
+
+ /* Do I need to clear read_ahead? As far as I can tell read_ahead did not
* previously get reset by SSL_clear...so I'll keep it that way..but is
* that right?
*/
- rl->read_ahead = read_ahead;
- rl->rstate = SSL_ST_READ_HEADER;
- rl->s = s;
- rl->d = d;
+
+ rl->packet = NULL;
+ rl->packet_length = 0;
+ rl->wnum = 0;
+ memset(rl->alert_fragment, 0, sizeof(rl->alert_fragment));
+ rl->alert_fragment_len = 0;
+ memset(rl->handshake_fragment, 0, sizeof(rl->handshake_fragment));
+ rl->handshake_fragment_len = 0;
+ rl->wpend_tot = 0;
+ rl->wpend_type = 0;
+ rl->wpend_ret = 0;
+ rl->wpend_buf = NULL;
+
+ SSL3_BUFFER_clear(&rl->rbuf);
+ for(pipes = 0; pipes < rl->numwpipes; pipes++)
+ SSL3_BUFFER_clear(&rl->wbuf[pipes]);
+ rl->numwpipes = 0;
+ SSL3_RECORD_clear(rl->rrec, SSL_MAX_PIPELINES);
+
+ RECORD_LAYER_reset_read_sequence(rl);
+ RECORD_LAYER_reset_write_sequence(rl);
- if(d)
+ if (rl->d)
DTLS_RECORD_LAYER_clear(rl);
}
{
if (SSL3_BUFFER_is_initialised(&rl->rbuf))
ssl3_release_read_buffer(rl->s);
- if (SSL3_BUFFER_is_initialised(&rl->wbuf))
+ if (rl->numwpipes > 0)
ssl3_release_write_buffer(rl->s);
- SSL3_RECORD_release(&rl->rrec);
+ SSL3_RECORD_release(rl->rrec, SSL_MAX_PIPELINES);
}
-int RECORD_LAYER_read_pending(RECORD_LAYER *rl)
+int RECORD_LAYER_read_pending(const RECORD_LAYER *rl)
{
return SSL3_BUFFER_get_left(&rl->rbuf) != 0;
}
-int RECORD_LAYER_write_pending(RECORD_LAYER *rl)
+int RECORD_LAYER_write_pending(const RECORD_LAYER *rl)
{
- return SSL3_BUFFER_get_left(&rl->wbuf) != 0;
+ return (rl->numwpipes > 0)
+ && SSL3_BUFFER_get_left(&rl->wbuf[rl->numwpipes-1]) != 0;
}
int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf, int len)
{
rl->packet_length = len;
- if(len != 0) {
+ if (len != 0) {
rl->rstate = SSL_ST_READ_HEADER;
if (!SSL3_BUFFER_is_initialised(&rl->rbuf))
if (!ssl3_setup_read_buffer(rl->s))
return 1;
}
-void RECORD_LAYER_dup(RECORD_LAYER *dst, RECORD_LAYER *src)
-{
- /*
- * Currently only called from SSL_dup...which only seems to expect the
- * rstate to be duplicated and nothing else from the RECORD_LAYER???
- */
- dst->rstate = src->rstate;
-}
-
void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl)
{
- memset(rl->read_sequence, 0, 8);
+ memset(rl->read_sequence, 0, sizeof(rl->read_sequence));
}
void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl)
{
- memset(rl->write_sequence, 0, 8);
-}
-
-int RECORD_LAYER_setup_comp_buffer(RECORD_LAYER *rl)
-{
- return SSL3_RECORD_setup(&(rl)->rrec);
+ memset(rl->write_sequence, 0, sizeof(rl->write_sequence));
}
int ssl3_pending(const SSL *s)
{
+ unsigned int i;
+ int num = 0;
+
if (s->rlayer.rstate == SSL_ST_READ_BODY)
return 0;
- return (SSL3_RECORD_get_type(&s->rlayer.rrec) == SSL3_RT_APPLICATION_DATA)
- ? SSL3_RECORD_get_length(&s->rlayer.rrec) : 0;
+ for (i = 0; i < RECORD_LAYER_get_numrpipes(&s->rlayer); i++) {
+ if (SSL3_RECORD_get_type(&s->rlayer.rrec[i])
+ != SSL3_RT_APPLICATION_DATA)
+ return 0;
+ num += SSL3_RECORD_get_length(&s->rlayer.rrec[i]);
+ }
+
+ return num;
}
-const char *SSL_rstate_string_long(const SSL *s)
+void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len)
{
- const char *str;
+ ctx->default_read_buf_len = len;
+}
+void SSL_set_default_read_buffer_len(SSL *s, size_t len)
+{
+ SSL3_BUFFER_set_default_len(RECORD_LAYER_get_rbuf(&s->rlayer), len);
+}
+
+const char *SSL_rstate_string_long(const SSL *s)
+{
switch (s->rlayer.rstate) {
case SSL_ST_READ_HEADER:
- str = "read header";
- break;
+ return "read header";
case SSL_ST_READ_BODY:
- str = "read body";
- break;
+ return "read body";
case SSL_ST_READ_DONE:
- str = "read done";
- break;
+ return "read done";
default:
- str = "unknown";
- break;
+ return "unknown";
}
- return (str);
}
const char *SSL_rstate_string(const SSL *s)
{
- const char *str;
-
switch (s->rlayer.rstate) {
case SSL_ST_READ_HEADER:
- str = "RH";
- break;
+ return "RH";
case SSL_ST_READ_BODY:
- str = "RB";
- break;
+ return "RB";
case SSL_ST_READ_DONE:
- str = "RD";
- break;
+ return "RD";
default:
- str = "unknown";
- break;
+ return "unknown";
}
- return (str);
}
-int ssl3_read_n(SSL *s, int n, int max, int extend)
+int ssl3_read_n(SSL *s, int n, int max, int extend, int clearold)
{
/*
* If extend == 0, obtain new n-byte packet; if extend == 1, increase
* s->s3->rbuf.buf specified by s->packet and s->packet_length. (If
* s->rlayer.read_ahead is set, 'max' bytes may be stored in rbuf [plus
* s->packet_length bytes if extend == 1].)
+ * if clearold == 1, move the packet to the start of the buffer; if
+ * clearold == 0 then leave any old packets where they were
*/
int i, len, left;
- long align = 0;
+ size_t align = 0;
unsigned char *pkt;
SSL3_BUFFER *rb;
left = rb->left;
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
- align = (long)rb->buf + SSL3_RT_HEADER_LENGTH;
- align = (-align) & (SSL3_ALIGN_PAYLOAD - 1);
+ align = (size_t)rb->buf + SSL3_RT_HEADER_LENGTH;
+ align = (0-align) & (SSL3_ALIGN_PAYLOAD - 1);
#endif
if (!extend) {
* Move any available bytes to front of buffer: 'len' bytes already
* pointed to by 'packet', 'left' extra ones at the end
*/
- if (s->rlayer.packet != pkt) { /* len > 0 */
+ if (s->rlayer.packet != pkt && clearold == 1) { /* len > 0 */
memmove(pkt, s->rlayer.packet, len + left);
s->rlayer.packet = pkt;
rb->offset = len + align;
}
/* We always act like read_ahead is set for DTLS */
- if (&s->rlayer.read_ahead && !SSL_IS_DTLS(s))
+ if (!s->rlayer.read_ahead && !SSL_IS_DTLS(s))
/* ignore max parameter */
max = n;
else {
{
const unsigned char *buf = buf_;
int tot;
- unsigned int n, nw;
+ unsigned int n, split_send_fragment, maxpipes;
#if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
- unsigned int max_send_fragment;
+ unsigned int max_send_fragment, nw;
+ unsigned int u_len = (unsigned int)len;
#endif
- SSL3_BUFFER *wb = &s->rlayer.wbuf;
+ SSL3_BUFFER *wb = &s->rlayer.wbuf[0];
int i;
- unsigned int u_len = (unsigned int)len;
if (len < 0) {
SSLerr(SSL_F_SSL3_WRITE_BYTES, SSL_R_SSL_NEGATIVE_LENGTH);
}
s->rwstate = SSL_NOTHING;
- OPENSSL_assert(s->rlayer.wnum <= INT_MAX);
tot = s->rlayer.wnum;
- s->rlayer.wnum = 0;
-
- if (SSL_in_init(s) && !s->in_handshake) {
- i = s->handshake_func(s);
- if (i < 0)
- return (i);
- if (i == 0) {
- SSLerr(SSL_F_SSL3_WRITE_BYTES, SSL_R_SSL_HANDSHAKE_FAILURE);
- return -1;
- }
- }
-
/*
* ensure that if we end up with a smaller value of data to write out
* than the the original len from a write which didn't complete for
* promptly send beyond the end of the users buffer ... so we trap and
* report the error in a way the user will notice
*/
- if (len < tot) {
+ if ((unsigned int)len < s->rlayer.wnum) {
SSLerr(SSL_F_SSL3_WRITE_BYTES, SSL_R_BAD_LENGTH);
- return (-1);
+ return -1;
+ }
+
+
+ s->rlayer.wnum = 0;
+
+ if (SSL_in_init(s) && !ossl_statem_get_in_handshake(s)) {
+ i = s->handshake_func(s);
+ if (i < 0)
+ return (i);
+ if (i == 0) {
+ SSLerr(SSL_F_SSL3_WRITE_BYTES, SSL_R_SSL_HANDSHAKE_FAILURE);
+ return -1;
+ }
}
/*
u_len >= 4 * (max_send_fragment = s->max_send_fragment) &&
s->compress == NULL && s->msg_callback == NULL &&
!SSL_USE_ETM(s) && SSL_USE_EXPLICIT_IV(s) &&
- EVP_CIPHER_flags(s->enc_write_ctx->cipher) &
+ EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(s->enc_write_ctx)) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK) {
unsigned char aad[13];
EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM mb_param;
packlen *= 4;
wb->buf = OPENSSL_malloc(packlen);
- if(!wb->buf) {
+ if (wb->buf == NULL) {
SSLerr(SSL_F_SSL3_WRITE_BYTES, ERR_R_MALLOC_FAILURE);
return -1;
}
}
n = (len - tot);
+
+ split_send_fragment = s->split_send_fragment;
+ /*
+ * If max_pipelines is 0 then this means "undefined" and we default to
+ * 1 pipeline. Similaraly if the cipher does not support pipelined
+ * processing then we also only use 1 pipeline, or if we're not using
+ * explicit IVs
+ */
+ maxpipes = s->max_pipelines;
+ if (maxpipes > SSL_MAX_PIPELINES) {
+ /*
+ * We should have prevented this when we set max_pipelines so we
+ * shouldn't get here
+ */
+ SSLerr(SSL_F_SSL3_WRITE_BYTES, ERR_R_INTERNAL_ERROR);
+ return -1;
+ }
+ if (maxpipes == 0
+ || s->enc_write_ctx == NULL
+ || !(EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(s->enc_write_ctx))
+ & EVP_CIPH_FLAG_PIPELINE)
+ || !SSL_USE_EXPLICIT_IV(s))
+ maxpipes = 1;
+ if (s->max_send_fragment == 0 || split_send_fragment > s->max_send_fragment
+ || split_send_fragment == 0) {
+ /*
+ * We should have prevented this when we set the split and max send
+ * fragments so we shouldn't get here
+ */
+ SSLerr(SSL_F_SSL3_WRITE_BYTES, ERR_R_INTERNAL_ERROR);
+ return -1;
+ }
+
for (;;) {
- if (n > s->max_send_fragment)
- nw = s->max_send_fragment;
+ unsigned int pipelens[SSL_MAX_PIPELINES], tmppipelen, remain;
+ unsigned int numpipes, j;
+
+ if (n == 0)
+ numpipes = 1;
else
- nw = n;
+ numpipes = ((n - 1) / split_send_fragment) + 1;
+ if (numpipes > maxpipes)
+ numpipes = maxpipes;
- i = do_ssl3_write(s, type, &(buf[tot]), nw, 0);
+ if (n / numpipes >= s->max_send_fragment) {
+ /*
+ * We have enough data to completely fill all available
+ * pipelines
+ */
+ for (j = 0; j < numpipes; j++) {
+ pipelens[j] = s->max_send_fragment;
+ }
+ } else {
+ /* We can partially fill all available pipelines */
+ tmppipelen = n / numpipes;
+ remain = n % numpipes;
+ for (j = 0; j < numpipes; j++) {
+ pipelens[j] = tmppipelen;
+ if (j < remain)
+ pipelens[j]++;
+ }
+ }
+
+ i = do_ssl3_write(s, type, &(buf[tot]), pipelens, numpipes, 0);
if (i <= 0) {
/* XXX should we ssl3_release_write_buffer if i<0? */
s->rlayer.wnum = tot;
}
int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
- unsigned int len, int create_empty_fragment)
+ unsigned int *pipelens, unsigned int numpipes,
+ int create_empty_fragment)
{
- unsigned char *p, *plen;
+ unsigned char *outbuf[SSL_MAX_PIPELINES], *plen[SSL_MAX_PIPELINES];
+ SSL3_RECORD wr[SSL_MAX_PIPELINES];
int i, mac_size, clear = 0;
int prefix_len = 0;
int eivlen;
- long align = 0;
- SSL3_RECORD *wr;
- SSL3_BUFFER *wb = &s->rlayer.wbuf;
+ size_t align = 0;
+ SSL3_BUFFER *wb;
SSL_SESSION *sess;
+ unsigned int totlen = 0;
+ unsigned int j;
+ for (j = 0; j < numpipes; j++)
+ totlen += pipelens[j];
/*
* first check if there is a SSL3_BUFFER still being written out. This
* will happen with non blocking IO
*/
- if (SSL3_BUFFER_get_left(wb) != 0)
- return (ssl3_write_pending(s, type, buf, len));
+ if (RECORD_LAYER_write_pending(&s->rlayer))
+ return (ssl3_write_pending(s, type, buf, totlen));
/* If we have an alert to send, lets send it */
if (s->s3->alert_dispatch) {
/* if it went, fall through and send more stuff */
}
- if (!SSL3_BUFFER_is_initialised(wb))
- if (!ssl3_setup_write_buffer(s))
+ if (s->rlayer.numwpipes < numpipes)
+ if (!ssl3_setup_write_buffer(s, numpipes))
return -1;
- if (len == 0 && !create_empty_fragment)
+ if (totlen == 0 && !create_empty_fragment)
return 0;
- wr = &s->rlayer.wrec;
sess = s->session;
if ((sess == NULL) ||
* 'prefix_len' bytes are sent out later together with the actual
* payload)
*/
- prefix_len = do_ssl3_write(s, type, buf, 0, 1);
+ unsigned int tmppipelen = 0;
+
+ prefix_len = do_ssl3_write(s, type, buf, &tmppipelen, 1, 1);
if (prefix_len <= 0)
goto err;
}
if (create_empty_fragment) {
+ wb = &s->rlayer.wbuf[0];
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
/*
* extra fragment would be couple of cipher blocks, which would be
* multiple of SSL3_ALIGN_PAYLOAD, so if we want to align the real
* payload, then we can just pretent we simply have two headers.
*/
- align = (long)SSL3_BUFFER_get_buf(wb) + 2 * SSL3_RT_HEADER_LENGTH;
- align = (-align) & (SSL3_ALIGN_PAYLOAD - 1);
+ align = (size_t)SSL3_BUFFER_get_buf(wb) + 2 * SSL3_RT_HEADER_LENGTH;
+ align = (0-align) & (SSL3_ALIGN_PAYLOAD - 1);
#endif
- p = SSL3_BUFFER_get_buf(wb) + align;
+ outbuf[0] = SSL3_BUFFER_get_buf(wb) + align;
SSL3_BUFFER_set_offset(wb, align);
} else if (prefix_len) {
- p = SSL3_BUFFER_get_buf(wb) + SSL3_BUFFER_get_offset(wb) + prefix_len;
+ wb = &s->rlayer.wbuf[0];
+ outbuf[0] = SSL3_BUFFER_get_buf(wb) + SSL3_BUFFER_get_offset(wb)
+ + prefix_len;
} else {
+ for (j=0; j < numpipes; j++) {
+ wb = &s->rlayer.wbuf[j];
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
- align = (long)SSL3_BUFFER_get_buf(wb) + SSL3_RT_HEADER_LENGTH;
- align = (-align) & (SSL3_ALIGN_PAYLOAD - 1);
+ align = (size_t)SSL3_BUFFER_get_buf(wb) + SSL3_RT_HEADER_LENGTH;
+ align = (-align) & (SSL3_ALIGN_PAYLOAD - 1);
#endif
- p = SSL3_BUFFER_get_buf(wb) + align;
- SSL3_BUFFER_set_offset(wb, align);
+ outbuf[j] = SSL3_BUFFER_get_buf(wb) + align;
+ SSL3_BUFFER_set_offset(wb, align);
+ }
}
- /* write the header */
-
- *(p++) = type & 0xff;
- SSL3_RECORD_set_type(wr, type);
-
- *(p++) = (s->version >> 8);
- /*
- * Some servers hang if iniatial client hello is larger than 256 bytes
- * and record version number > TLS 1.0
- */
- if (s->state == SSL3_ST_CW_CLNT_HELLO_B
- && !s->renegotiate && TLS1_get_version(s) > TLS1_VERSION)
- *(p++) = 0x1;
- else
- *(p++) = s->version & 0xff;
-
- /* field where we are to write out packet length */
- plen = p;
- p += 2;
/* Explicit IV length, block ciphers appropriate version flag */
if (s->enc_write_ctx && SSL_USE_EXPLICIT_IV(s)) {
int mode = EVP_CIPHER_CTX_mode(s->enc_write_ctx);
/* Need explicit part of IV for GCM mode */
else if (mode == EVP_CIPH_GCM_MODE)
eivlen = EVP_GCM_TLS_EXPLICIT_IV_LEN;
+ else if (mode == EVP_CIPH_CCM_MODE)
+ eivlen = EVP_CCM_TLS_EXPLICIT_IV_LEN;
else
eivlen = 0;
} else
eivlen = 0;
- /* lets setup the record stuff. */
- SSL3_RECORD_set_data(wr, p + eivlen);
- SSL3_RECORD_set_length(wr, (int)len);
- SSL3_RECORD_set_input(wr, (unsigned char *)buf);
+ totlen = 0;
+ /* Clear our SSL3_RECORD structures */
+ memset(wr, 0, sizeof wr);
+ for (j=0; j < numpipes; j++) {
+ /* write the header */
+ *(outbuf[j]++) = type & 0xff;
+ SSL3_RECORD_set_type(&wr[j], type);
- /*
- * we now 'read' from wr->input, wr->length bytes into wr->data
- */
+ *(outbuf[j]++) = (s->version >> 8);
+ /*
+ * Some servers hang if iniatial client hello is larger than 256 bytes
+ * and record version number > TLS 1.0
+ */
+ if (SSL_get_state(s) == TLS_ST_CW_CLNT_HELLO
+ && !s->renegotiate && TLS1_get_version(s) > TLS1_VERSION)
+ *(outbuf[j]++) = 0x1;
+ else
+ *(outbuf[j]++) = s->version & 0xff;
- /* first we compress */
- if (s->compress != NULL) {
- if (!ssl3_do_compress(s)) {
- SSLerr(SSL_F_DO_SSL3_WRITE, SSL_R_COMPRESSION_FAILURE);
- goto err;
- }
- } else {
- memcpy(wr->data, wr->input, wr->length);
- SSL3_RECORD_reset_input(wr);
- }
+ /* field where we are to write out packet length */
+ plen[j] = outbuf[j];
+ outbuf[j] += 2;
- /*
- * we should still have the output to wr->data and the input from
- * wr->input. Length should be wr->length. wr->data still points in the
- * wb->buf
- */
+ /* lets setup the record stuff. */
+ SSL3_RECORD_set_data(&wr[j], outbuf[j] + eivlen);
+ SSL3_RECORD_set_length(&wr[j], (int)pipelens[j]);
+ SSL3_RECORD_set_input(&wr[j], (unsigned char *)&buf[totlen]);
+ totlen += pipelens[j];
- if (!SSL_USE_ETM(s) && mac_size != 0) {
- if (s->method->ssl3_enc->mac(s, &(p[wr->length + eivlen]), 1) < 0)
- goto err;
- SSL3_RECORD_add_length(wr, mac_size);
- }
+ /*
+ * we now 'read' from wr->input, wr->length bytes into wr->data
+ */
- SSL3_RECORD_set_data(wr, p);
- SSL3_RECORD_reset_input(wr);
+ /* first we compress */
+ if (s->compress != NULL) {
+ if (!ssl3_do_compress(s, &wr[j])) {
+ SSLerr(SSL_F_DO_SSL3_WRITE, SSL_R_COMPRESSION_FAILURE);
+ goto err;
+ }
+ } else {
+ memcpy(wr[j].data, wr[j].input, wr[j].length);
+ SSL3_RECORD_reset_input(&wr[j]);
+ }
- if (eivlen) {
/*
- * if (RAND_pseudo_bytes(p, eivlen) <= 0) goto err;
+ * we should still have the output to wr->data and the input from
+ * wr->input. Length should be wr->length. wr->data still points in the
+ * wb->buf
*/
- SSL3_RECORD_add_length(wr, eivlen);
- }
- if (s->method->ssl3_enc->enc(s, 1) < 1)
- goto err;
+ if (!SSL_USE_ETM(s) && mac_size != 0) {
+ if (s->method->ssl3_enc->mac(s, &wr[j],
+ &(outbuf[j][wr[j].length + eivlen]), 1) < 0)
+ goto err;
+ SSL3_RECORD_add_length(&wr[j], mac_size);
+ }
- if (SSL_USE_ETM(s) && mac_size != 0) {
- if (s->method->ssl3_enc->mac(s, p + wr->length, 1) < 0)
- goto err;
- SSL3_RECORD_add_length(wr, mac_size);
+
+ SSL3_RECORD_set_data(&wr[j], outbuf[j]);
+ SSL3_RECORD_reset_input(&wr[j]);
+
+ if (eivlen) {
+ /*
+ * if (RAND_pseudo_bytes(p, eivlen) <= 0) goto err;
+ */
+ SSL3_RECORD_add_length(&wr[j], eivlen);
+ }
}
- /* record length after mac and block padding */
- s2n(SSL3_RECORD_get_length(wr), plen);
+ if (s->method->ssl3_enc->enc(s, wr, numpipes, 1) < 1)
+ goto err;
- if (s->msg_callback)
- s->msg_callback(1, 0, SSL3_RT_HEADER, plen - 5, 5, s,
- s->msg_callback_arg);
+ for (j=0; j < numpipes; j++) {
+ if (SSL_USE_ETM(s) && mac_size != 0) {
+ if (s->method->ssl3_enc->mac(s, &wr[j],
+ outbuf[j] + wr[j].length, 1) < 0)
+ goto err;
+ SSL3_RECORD_add_length(&wr[j], mac_size);
+ }
- /*
- * we should now have wr->data pointing to the encrypted data, which is
- * wr->length long
- */
- SSL3_RECORD_set_type(wr, type); /* not needed but helps for debugging */
- SSL3_RECORD_add_length(wr, SSL3_RT_HEADER_LENGTH);
+ /* record length after mac and block padding */
+ s2n(SSL3_RECORD_get_length(&wr[j]), plen[j]);
+
+ if (s->msg_callback)
+ s->msg_callback(1, 0, SSL3_RT_HEADER, plen[j] - 5, 5, s,
+ s->msg_callback_arg);
- if (create_empty_fragment) {
/*
- * we are in a recursive call; just return the length, don't write
- * out anything here
+ * we should now have wr->data pointing to the encrypted data, which is
+ * wr->length long
*/
- return SSL3_RECORD_get_length(wr);
+ SSL3_RECORD_set_type(&wr[j], type); /* not needed but helps for debugging */
+ SSL3_RECORD_add_length(&wr[j], SSL3_RT_HEADER_LENGTH);
+
+ if (create_empty_fragment) {
+ /*
+ * we are in a recursive call; just return the length, don't write
+ * out anything here
+ */
+ if (j > 0) {
+ /* We should never be pipelining an empty fragment!! */
+ SSLerr(SSL_F_DO_SSL3_WRITE, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ return SSL3_RECORD_get_length(wr);
+ }
+
+ /* now let's set up wb */
+ SSL3_BUFFER_set_left(&s->rlayer.wbuf[j],
+ prefix_len + SSL3_RECORD_get_length(&wr[j]));
}
- /* now let's set up wb */
- SSL3_BUFFER_set_left(wb, prefix_len + SSL3_RECORD_get_length(wr));
+
/*
* memorize arguments so that ssl3_write_pending can detect bad write
* retries later
*/
- s->rlayer.wpend_tot = len;
+ s->rlayer.wpend_tot = totlen;
s->rlayer.wpend_buf = buf;
s->rlayer.wpend_type = type;
- s->rlayer.wpend_ret = len;
+ s->rlayer.wpend_ret = totlen;
/* we now just need to write the buffer */
- return ssl3_write_pending(s, type, buf, len);
+ return ssl3_write_pending(s, type, buf, totlen);
err:
return -1;
}
unsigned int len)
{
int i;
- SSL3_BUFFER *wb = &s->rlayer.wbuf;
+ SSL3_BUFFER *wb = s->rlayer.wbuf;
+ unsigned int currbuf = 0;
/* XXXX */
if ((s->rlayer.wpend_tot > (int)len)
}
for (;;) {
+ /* Loop until we find a buffer we haven't written out yet */
+ if (SSL3_BUFFER_get_left(&wb[currbuf]) == 0
+ && currbuf < s->rlayer.numwpipes - 1) {
+ currbuf++;
+ continue;
+ }
clear_sys_error();
if (s->wbio != NULL) {
s->rwstate = SSL_WRITING;
i = BIO_write(s->wbio,
- (char *)&(SSL3_BUFFER_get_buf(wb)[SSL3_BUFFER_get_offset(wb)]),
- (unsigned int)SSL3_BUFFER_get_left(wb));
+ (char *)&(SSL3_BUFFER_get_buf(&wb[currbuf])[
+ SSL3_BUFFER_get_offset(&wb[currbuf])]),
+ (unsigned int)SSL3_BUFFER_get_left(&wb[currbuf]));
} else {
SSLerr(SSL_F_SSL3_WRITE_PENDING, SSL_R_BIO_NOT_SET);
i = -1;
}
- if (i == SSL3_BUFFER_get_left(wb)) {
- SSL3_BUFFER_set_left(wb, 0);
- SSL3_BUFFER_add_offset(wb, i);
+ if (i == SSL3_BUFFER_get_left(&wb[currbuf])) {
+ SSL3_BUFFER_set_left(&wb[currbuf], 0);
+ SSL3_BUFFER_add_offset(&wb[currbuf], i);
+ if (currbuf + 1 < s->rlayer.numwpipes)
+ continue;
s->rwstate = SSL_NOTHING;
return (s->rlayer.wpend_ret);
} else if (i <= 0) {
- if (s->version == DTLS1_VERSION || s->version == DTLS1_BAD_VER) {
+ if (SSL_IS_DTLS(s)) {
/*
* For DTLS, just drop it. That's kind of the whole point in
* using a datagram service
*/
- SSL3_BUFFER_set_left(wb, 0);
+ SSL3_BUFFER_set_left(&wb[currbuf], 0);
}
return (i);
}
- SSL3_BUFFER_add_offset(wb, i);
- SSL3_BUFFER_add_left(wb, -i);
+ SSL3_BUFFER_add_offset(&wb[currbuf], i);
+ SSL3_BUFFER_add_left(&wb[currbuf], -i);
}
}
* (possibly multiple records if we still don't have anything to return).
*
* This function must handle any surprises the peer may have for us, such as
- * Alert records (e.g. close_notify), ChangeCipherSpec records (not really
- * a surprise, but handled as if it were), or renegotiation requests.
+ * Alert records (e.g. close_notify) or renegotiation requests. ChangeCipherSpec
+ * messages are treated as if they were handshake messages *if* the |recd_type|
+ * argument is non NULL.
* Also if record payloads contain fragments too small to process, we store
* them until there is enough for the respective protocol (the record protocol
* may use arbitrary fragmentation and even interleaving):
* Application data protocol
* none of our business
*/
-int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek)
+int ssl3_read_bytes(SSL *s, int type, int *recvd_type, unsigned char *buf,
+ int len, int peek)
{
int al, i, j, ret;
- unsigned int n;
+ unsigned int n, curr_rec, num_recs, read_bytes;
SSL3_RECORD *rr;
+ SSL3_BUFFER *rbuf;
void (*cb) (const SSL *ssl, int type2, int val) = NULL;
- if (!SSL3_BUFFER_is_initialised(&s->rlayer.rbuf)) {
+ rbuf = &s->rlayer.rbuf;
+
+ if (!SSL3_BUFFER_is_initialised(rbuf)) {
/* Not initialized yet */
if (!ssl3_setup_read_buffer(s))
return (-1);
/* move any remaining fragment bytes: */
for (k = 0; k < s->rlayer.handshake_fragment_len; k++)
s->rlayer.handshake_fragment[k] = *src++;
+
+ if (recvd_type != NULL)
+ *recvd_type = SSL3_RT_HANDSHAKE;
+
return n;
}
* Now s->rlayer.handshake_fragment_len == 0 if type == SSL3_RT_HANDSHAKE.
*/
- if (!s->in_handshake && SSL_in_init(s)) {
+ if (!ossl_statem_get_in_handshake(s) && SSL_in_init(s)) {
/* type == SSL3_RT_APPLICATION_DATA */
i = s->handshake_func(s);
if (i < 0)
s->rwstate = SSL_NOTHING;
/*-
- * s->s3->rrec.type - is the type of record
- * s->s3->rrec.data, - data
- * s->s3->rrec.off, - offset into 'data' for next read
- * s->s3->rrec.length, - number of bytes.
+ * For each record 'i' up to |num_recs]
+ * rr[i].type - is the type of record
+ * rr[i].data, - data
+ * rr[i].off, - offset into 'data' for next read
+ * rr[i].length, - number of bytes.
*/
- rr = &s->rlayer.rrec;
-
- /* get new packet if necessary */
- if ((SSL3_RECORD_get_length(rr) == 0)
- || (s->rlayer.rstate == SSL_ST_READ_BODY)) {
- ret = ssl3_get_record(s);
- if (ret <= 0)
- return (ret);
- }
+ rr = s->rlayer.rrec;
+ num_recs = RECORD_LAYER_get_numrpipes(&s->rlayer);
+
+ do {
+ /* get new records if necessary */
+ if (num_recs == 0) {
+ ret = ssl3_get_record(s);
+ if (ret <= 0)
+ return (ret);
+ num_recs = RECORD_LAYER_get_numrpipes(&s->rlayer);
+ if (num_recs == 0) {
+ /* Shouldn't happen */
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);
+ goto f_err;
+ }
+ }
+ /* Skip over any records we have already used or are zero in length */
+ for (curr_rec = 0;
+ curr_rec < num_recs && SSL3_RECORD_get_length(&rr[curr_rec]) == 0;
+ curr_rec++);
+ if (curr_rec == num_recs) {
+ RECORD_LAYER_set_numrpipes(&s->rlayer, 0);
+ num_recs = 0;
+ curr_rec = 0;
+ }
+ } while (num_recs == 0);
+ rr = &rr[curr_rec];
/* we now have a packet which can be read and processed */
return (0);
}
- if (type == SSL3_RECORD_get_type(rr)) {
- /* SSL3_RT_APPLICATION_DATA or
- * SSL3_RT_HANDSHAKE */
+ if (type == SSL3_RECORD_get_type(rr)
+ || (SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC
+ && type == SSL3_RT_HANDSHAKE && recvd_type != NULL)) {
+ /*
+ * SSL3_RT_APPLICATION_DATA or
+ * SSL3_RT_HANDSHAKE or
+ * SSL3_RT_CHANGE_CIPHER_SPEC
+ */
/*
* make sure that we are not getting application data when we are
* doing a handshake for the first time
goto f_err;
}
+ if (type == SSL3_RT_HANDSHAKE
+ && SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC
+ && s->rlayer.handshake_fragment_len > 0) {
+ al = SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);
+ goto f_err;
+ }
+
+ if (recvd_type != NULL)
+ *recvd_type = SSL3_RECORD_get_type(rr);
+
if (len <= 0)
return (len);
- if ((unsigned int)len > SSL3_RECORD_get_length(rr))
- n = SSL3_RECORD_get_length(rr);
- else
- n = (unsigned int)len;
-
- memcpy(buf, &(rr->data[rr->off]), n);
- if (!peek) {
- SSL3_RECORD_add_length(rr, -n);
- SSL3_RECORD_add_off(rr, n);
- if (SSL3_RECORD_get_length(rr) == 0) {
- s->rlayer.rstate = SSL_ST_READ_HEADER;
- SSL3_RECORD_set_off(rr, 0);
- if (s->mode & SSL_MODE_RELEASE_BUFFERS
- && SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0)
- ssl3_release_read_buffer(s);
+ read_bytes = 0;
+ do {
+ if ((unsigned int)len - read_bytes > SSL3_RECORD_get_length(rr))
+ n = SSL3_RECORD_get_length(rr);
+ else
+ n = (unsigned int)len - read_bytes;
+
+ memcpy(buf, &(rr->data[rr->off]), n);
+ buf += n;
+ if (!peek) {
+ SSL3_RECORD_add_length(rr, -n);
+ SSL3_RECORD_add_off(rr, n);
+ if (SSL3_RECORD_get_length(rr) == 0) {
+ s->rlayer.rstate = SSL_ST_READ_HEADER;
+ SSL3_RECORD_set_off(rr, 0);
+ }
}
- }
- return (n);
+ if (SSL3_RECORD_get_length(rr) == 0
+ || (peek && n == SSL3_RECORD_get_length(rr))) {
+ curr_rec++;
+ rr++;
+ }
+ read_bytes += n;
+ } while (type == SSL3_RT_APPLICATION_DATA && curr_rec < num_recs
+ && read_bytes < (unsigned int)len);
+ if (!peek && curr_rec == num_recs
+ && (s->mode & SSL_MODE_RELEASE_BUFFERS)
+ && SSL3_BUFFER_get_left(rbuf) == 0)
+ ssl3_release_read_buffer(s);
+ return read_bytes;
}
/*
* If we get here, then type != rr->type; if we have a handshake message,
- * then it was unexpected (Hello Request or Client Hello).
+ * then it was unexpected (Hello Request or Client Hello) or invalid (we
+ * were actually expecting a CCS).
*/
+ if (rr->type == SSL3_RT_HANDSHAKE && type == SSL3_RT_CHANGE_CIPHER_SPEC) {
+ al = SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_MESSAGE);
+ goto f_err;
+ }
+
+ /*
+ * Lets just double check that we've not got an SSLv2 record
+ */
+ if (rr->rec_version == SSL2_VERSION) {
+ /*
+ * Should never happen. ssl3_get_record() should only give us an SSLv2
+ * record back if this is the first packet and we are looking for an
+ * initial ClientHello. Therefore |type| should always be equal to
+ * |rr->type|. If not then something has gone horribly wrong
+ */
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);
+ goto f_err;
+ }
+
+ if(s->method->version == TLS_ANY_VERSION
+ && (s->server || rr->type != SSL3_RT_ALERT)) {
+ /*
+ * If we've got this far and still haven't decided on what version
+ * we're using then this must be a client side alert we're dealing with
+ * (we don't allow heartbeats yet). We shouldn't be receiving anything
+ * other than a ClientHello if we are a server.
+ */
+ s->version = rr->rec_version;
+ al = SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_UNEXPECTED_MESSAGE);
+ goto f_err;
+ }
+
/*
* In case of record types for which we have 'fragment' storage, fill
* that so that we can process the data at a fixed place.
dest = s->rlayer.alert_fragment;
dest_len = &s->rlayer.alert_fragment_len;
}
-#ifndef OPENSSL_NO_HEARTBEATS
- else if (SSL3_RECORD_get_type(rr)== TLS1_RT_HEARTBEAT) {
- /* We can ignore 0 return values */
- if(tls1_process_heartbeat(s, SSL3_RECORD_get_data(rr),
- SSL3_RECORD_get_length(rr)) < 0) {
- return -1;
- }
-
- /* Exit and notify application to read again */
- SSL3_RECORD_set_length(rr, 0);
- s->rwstate = SSL_READING;
- BIO_clear_retry_flags(SSL_get_rbio(s));
- BIO_set_retry_read(SSL_get_rbio(s));
- return (-1);
- }
-#endif
if (dest_maxlen > 0) {
n = dest_maxlen - *dest_len; /* available space in 'dest' */
}
if (!(s->mode & SSL_MODE_AUTO_RETRY)) {
- if (SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0) {
+ if (SSL3_BUFFER_get_left(rbuf) == 0) {
/* no read-ahead left? */
BIO *bio;
/*
}
if (SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC) {
- /*
- * 'Change Cipher Spec' is just a single byte, so we know exactly
- * what the record payload has to look like
- */
- if ((SSL3_RECORD_get_length(rr) != 1)
- || (SSL3_RECORD_get_off(rr) != 0)
- || (SSL3_RECORD_get_data(rr)[0] != SSL3_MT_CCS)) {
- al = SSL_AD_ILLEGAL_PARAMETER;
- SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_BAD_CHANGE_CIPHER_SPEC);
- goto f_err;
- }
-
- /* Check we have a cipher to change to */
- if (s->s3->tmp.new_cipher == NULL) {
- al = SSL_AD_UNEXPECTED_MESSAGE;
- SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);
- goto f_err;
- }
-
- if (!(s->s3->flags & SSL3_FLAGS_CCS_OK)) {
- al = SSL_AD_UNEXPECTED_MESSAGE;
- SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);
- goto f_err;
- }
-
- s->s3->flags &= ~SSL3_FLAGS_CCS_OK;
-
- SSL3_RECORD_set_length(rr, 0);
-
- if (s->msg_callback)
- s->msg_callback(0, s->version, SSL3_RT_CHANGE_CIPHER_SPEC,
- SSL3_RECORD_get_data(rr), 1, s,
- s->msg_callback_arg);
-
- s->s3->change_cipher_spec = 1;
- if (!ssl3_do_change_cipher_spec(s))
- goto err;
- else
- goto start;
+ al = SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_SSL3_READ_BYTES, SSL_R_CCS_RECEIVED_EARLY);
+ goto f_err;
}
/*
* Unexpected handshake message (Client Hello, or protocol violation)
*/
- if ((s->rlayer.handshake_fragment_len >= 4) && !s->in_handshake) {
- if (((s->state & SSL_ST_MASK) == SSL_ST_OK) &&
+ if ((s->rlayer.handshake_fragment_len >= 4)
+ && !ossl_statem_get_in_handshake(s)) {
+ if (SSL_is_init_finished(s) &&
!(s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)) {
- s->state = s->server ? SSL_ST_ACCEPT : SSL_ST_CONNECT;
+ ossl_statem_set_in_init(s, 1);
s->renegotiate = 1;
s->new_session = 1;
}
}
if (!(s->mode & SSL_MODE_AUTO_RETRY)) {
- if (SSL3_BUFFER_get_left(&s->rlayer.rbuf) == 0) {
+ if (SSL3_BUFFER_get_left(rbuf) == 0) {
/* no read-ahead left? */
BIO *bio;
/*
case SSL3_RT_HANDSHAKE:
/*
* we already handled all of these, with the possible exception of
- * SSL3_RT_HANDSHAKE when s->in_handshake is set, but that should not
- * happen when type != rr->type
+ * SSL3_RT_HANDSHAKE when ossl_statem_get_in_handshake(s) is true, but
+ * that should not happen when type != rr->type
*/
al = SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_READ_BYTES, ERR_R_INTERNAL_ERROR);
* application data at this point (session renegotiation not yet
* started), we will indulge it.
*/
- if (s->s3->in_read_app_data &&
- (s->s3->total_renegotiations != 0) &&
- (((s->state & SSL_ST_CONNECT) &&
- (s->state >= SSL3_ST_CW_CLNT_HELLO_A) &&
- (s->state <= SSL3_ST_CR_SRVR_HELLO_A)
- ) || ((s->state & SSL_ST_ACCEPT) &&
- (s->state <= SSL3_ST_SW_HELLO_REQ_A) &&
- (s->state >= SSL3_ST_SR_CLNT_HELLO_A)
- )
- )) {
+ if (ossl_statem_app_data_allowed(s)) {
s->s3->in_read_app_data = 2;
return (-1);
} else {
f_err:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
- err:
return (-1);
}
}
}
+/*
+ * Returns true if the current rrec was sent in SSLv2 backwards compatible
+ * format and false otherwise.
+ */
+int RECORD_LAYER_is_sslv2_record(RECORD_LAYER *rl)
+{
+ return SSL3_RECORD_is_sslv2_record(&rl->rrec[0]);
+}
+/*
+ * Returns the length in bytes of the current rrec
+ */
+unsigned int RECORD_LAYER_get_rrec_length(RECORD_LAYER *rl)
+{
+ return SSL3_RECORD_get_length(&rl->rrec[0]);
+}
projects / openssl.git / blobdiff