{
DTLS_RECORD_LAYER *d;
- if ((d = OPENSSL_malloc(sizeof *d)) == NULL) {
+ if ((d = OPENSSL_malloc(sizeof(*d))) == NULL)
return (0);
- }
rl->d = d;
if (!d->unprocessed_rcds.q || !d->processed_rcds.q
|| !d->buffered_app_data.q) {
- if (d->unprocessed_rcds.q)
- pqueue_free(d->unprocessed_rcds.q);
- if (d->processed_rcds.q)
- pqueue_free(d->processed_rcds.q);
- if (d->buffered_app_data.q)
- pqueue_free(d->buffered_app_data.q);
+ pqueue_free(d->unprocessed_rcds.q);
+ pqueue_free(d->processed_rcds.q);
+ pqueue_free(d->buffered_app_data.q);
OPENSSL_free(d);
rl->d = NULL;
return (0);
while ((item = pqueue_pop(d->unprocessed_rcds.q)) != NULL) {
rdata = (DTLS1_RECORD_DATA *)item->data;
- if (rdata->rbuf.buf) {
- OPENSSL_free(rdata->rbuf.buf);
- }
+ OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(item->data);
pitem_free(item);
}
while ((item = pqueue_pop(d->processed_rcds.q)) != NULL) {
rdata = (DTLS1_RECORD_DATA *)item->data;
- if (rdata->rbuf.buf) {
- OPENSSL_free(rdata->rbuf.buf);
- }
+ OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(item->data);
pitem_free(item);
}
while ((item = pqueue_pop(d->buffered_app_data.q)) != NULL) {
rdata = (DTLS1_RECORD_DATA *)item->data;
- if (rdata->rbuf.buf) {
- OPENSSL_free(rdata->rbuf.buf);
- }
+ OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(item->data);
pitem_free(item);
}
unprocessed_rcds = d->unprocessed_rcds.q;
processed_rcds = d->processed_rcds.q;
buffered_app_data = d->buffered_app_data.q;
- memset(d, 0, sizeof *d);
+ memset(d, 0, sizeof(*d));
d->unprocessed_rcds.q = unprocessed_rcds;
d->processed_rcds.q = processed_rcds;
d->buffered_app_data.q = buffered_app_data;
memcpy(rl->write_sequence, rl->read_sequence, sizeof(rl->write_sequence));
}
+
+void DTLS_RECORD_LAYER_set_write_sequence(RECORD_LAYER *rl, unsigned char *seq)
+{
+ memcpy(rl->write_sequence, seq, SEQ_NUM_SIZE);
+}
+
static int have_handshake_fragment(SSL *s, int type, unsigned char *buf,
int len, int peek);
if (pqueue_size(queue->q) >= 100)
return 0;
- rdata = OPENSSL_malloc(sizeof(DTLS1_RECORD_DATA));
+ rdata = OPENSSL_malloc(sizeof(*rdata));
item = pitem_new(priority, rdata);
if (rdata == NULL || item == NULL) {
- if (rdata != NULL)
- OPENSSL_free(rdata);
- if (item != NULL)
- pitem_free(item);
-
+ OPENSSL_free(rdata);
+ pitem_free(item);
SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR);
return -1;
}
#ifndef OPENSSL_NO_SCTP
/* Store bio_dgram_sctp_rcvinfo struct */
if (BIO_dgram_is_sctp(SSL_get_rbio(s)) &&
- (s->state == SSL3_ST_SR_FINISHED_A
- || s->state == SSL3_ST_CR_FINISHED_A)) {
+ (SSL_get_state(s) == TLS_ST_SR_FINISHED
+ || SSL_get_state(s) == TLS_ST_CR_FINISHED)) {
BIO_ctrl(SSL_get_rbio(s), BIO_CTRL_DGRAM_SCTP_GET_RCVINFO,
sizeof(rdata->recordinfo), &rdata->recordinfo);
}
s->rlayer.packet = NULL;
s->rlayer.packet_length = 0;
- memset(&s->rlayer.rbuf, 0, sizeof(SSL3_BUFFER));
- memset(&s->rlayer.rrec, 0, sizeof(SSL3_RECORD));
+ memset(&s->rlayer.rbuf, 0, sizeof(s->rlayer.rbuf));
+ memset(&s->rlayer.rrec, 0, sizeof(s->rlayer.rrec));
if (!ssl3_setup_buffers(s)) {
SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR);
- if (rdata->rbuf.buf != NULL)
- OPENSSL_free(rdata->rbuf.buf);
+ OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(rdata);
pitem_free(item);
return (-1);
/* insert should not fail, since duplicates are dropped */
if (pqueue_insert(queue->q, item) == NULL) {
SSLerr(SSL_F_DTLS1_BUFFER_RECORD, ERR_R_INTERNAL_ERROR);
- if (rdata->rbuf.buf != NULL)
- OPENSSL_free(rdata->rbuf.buf);
+ OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(rdata);
pitem_free(item);
return (-1);
* (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 dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek)
+int dtls1_read_bytes(SSL *s, int type, int *recvd_type, unsigned char *buf,
+ int len, int peek)
{
int al, i, j, ret;
unsigned int n;
* Continue handshake if it had to be interrupted to read app data with
* SCTP.
*/
- if ((!s->in_handshake && SSL_in_init(s)) ||
- (BIO_dgram_is_sctp(SSL_get_rbio(s)) &&
- (s->state == DTLS1_SCTP_ST_SR_READ_SOCK
- || s->state == DTLS1_SCTP_ST_CR_READ_SOCK)
+ if ((!ossl_statem_get_in_handshake(s) && SSL_in_init(s)) ||
+ (BIO_dgram_is_sctp(SSL_get_rbio(s))
+ && ossl_statem_in_sctp_read_sock(s)
&& s->s3->in_read_app_data != 2))
#else
- if (!s->in_handshake && SSL_in_init(s))
+ if (!ossl_statem_get_in_handshake(s) && SSL_in_init(s))
#endif
{
/* type == SSL3_RT_APPLICATION_DATA */
* We are not handshaking and have no data yet, so process data buffered
* during the last handshake in advance, if any.
*/
- if (s->state == SSL_ST_OK && rr->length == 0) {
+ if (SSL_is_init_finished(s) && SSL3_RECORD_get_length(rr) == 0) {
pitem *item;
item = pqueue_pop(s->rlayer.d->buffered_app_data.q);
if (item) {
goto start;
/* get new packet if necessary */
- if ((rr->length == 0) || (s->rlayer.rstate == SSL_ST_READ_BODY)) {
+ if ((SSL3_RECORD_get_length(rr) == 0)
+ || (s->rlayer.rstate == SSL_ST_READ_BODY)) {
ret = dtls1_get_record(s);
if (ret <= 0) {
ret = dtls1_read_failed(s, ret);
}
}
- if (s->d1->listen && rr->type != SSL3_RT_HANDSHAKE) {
- rr->length = 0;
- goto start;
- }
-
/* we now have a packet which can be read and processed */
if (s->s3->change_cipher_spec /* set when we receive ChangeCipherSpec,
* reset by ssl3_get_finished */
- && (rr->type != SSL3_RT_HANDSHAKE)) {
+ && (SSL3_RECORD_get_type(rr) != SSL3_RT_HANDSHAKE)) {
/*
* We now have application data between CCS and Finished. Most likely
* the packets were reordered on their way, so buffer the application
* data for later processing rather than dropping the connection.
*/
if (dtls1_buffer_record(s, &(s->rlayer.d->buffered_app_data),
- rr->seq_num) < 0) {
+ SSL3_RECORD_get_seq_num(rr)) < 0) {
SSLerr(SSL_F_DTLS1_READ_BYTES, ERR_R_INTERNAL_ERROR);
return -1;
}
- rr->length = 0;
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
* 'peek' mode)
*/
if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
- rr->length = 0;
+ SSL3_RECORD_set_length(rr, 0);
s->rwstate = SSL_NOTHING;
return (0);
}
- if (type == rr->type) { /* 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 (recvd_type != NULL)
+ *recvd_type = SSL3_RECORD_get_type(rr);
+
if (len <= 0)
return (len);
- if ((unsigned int)len > rr->length)
- n = rr->length;
+ 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);
+ memcpy(buf, &(SSL3_RECORD_get_data(rr)[SSL3_RECORD_get_off(rr)]), n);
if (!peek) {
- rr->length -= n;
- rr->off += n;
- if (rr->length == 0) {
+ 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;
- rr->off = 0;
+ SSL3_RECORD_set_off(rr, 0);
}
}
#ifndef OPENSSL_NO_SCTP
* data first, so retry.
*/
if (BIO_dgram_is_sctp(SSL_get_rbio(s)) &&
- rr->type == SSL3_RT_APPLICATION_DATA &&
- (s->state == DTLS1_SCTP_ST_SR_READ_SOCK
- || s->state == DTLS1_SCTP_ST_CR_READ_SOCK)) {
+ SSL3_RECORD_get_type(rr) == SSL3_RT_APPLICATION_DATA &&
+ ossl_statem_in_sctp_read_sock(s)) {
s->rwstate = SSL_READING;
BIO_clear_retry_flags(SSL_get_rbio(s));
BIO_set_retry_read(SSL_get_rbio(s));
unsigned char *dest = NULL;
unsigned int *dest_len = NULL;
- if (rr->type == SSL3_RT_HANDSHAKE) {
+ if (SSL3_RECORD_get_type(rr) == SSL3_RT_HANDSHAKE) {
dest_maxlen = sizeof s->rlayer.d->handshake_fragment;
dest = s->rlayer.d->handshake_fragment;
dest_len = &s->rlayer.d->handshake_fragment_len;
- } else if (rr->type == SSL3_RT_ALERT) {
+ } else if (SSL3_RECORD_get_type(rr) == SSL3_RT_ALERT) {
dest_maxlen = sizeof(s->rlayer.d->alert_fragment);
dest = s->rlayer.d->alert_fragment;
dest_len = &s->rlayer.d->alert_fragment_len;
}
#ifndef OPENSSL_NO_HEARTBEATS
- else if (rr->type == TLS1_RT_HEARTBEAT) {
+ else if (SSL3_RECORD_get_type(rr) == TLS1_RT_HEARTBEAT) {
/* We allow a 0 return */
- if(dtls1_process_heartbeat(s, SSL3_RECORD_get_data(&s->rlayer.rrec),
- SSL3_RECORD_get_length(&s->rlayer.rrec)) < 0) {
+ if (dtls1_process_heartbeat(s, SSL3_RECORD_get_data(rr),
+ SSL3_RECORD_get_length(rr)) < 0) {
return -1;
}
/* Exit and notify application to read again */
- rr->length = 0;
+ 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));
}
#endif
/* else it's a CCS message, or application data or wrong */
- else if (rr->type != SSL3_RT_CHANGE_CIPHER_SPEC) {
+ else if (SSL3_RECORD_get_type(rr) != SSL3_RT_CHANGE_CIPHER_SPEC) {
/*
* Application data while renegotiating is allowed. Try again
* reading.
*/
- if (rr->type == SSL3_RT_APPLICATION_DATA) {
+ if (SSL3_RECORD_get_type(rr) == SSL3_RT_APPLICATION_DATA) {
BIO *bio;
s->s3->in_read_app_data = 2;
bio = SSL_get_rbio(s);
* XDTLS: In a pathalogical case, the Client Hello may be
* fragmented--don't always expect dest_maxlen bytes
*/
- if (rr->length < dest_maxlen) {
+ if (SSL3_RECORD_get_length(rr) < dest_maxlen) {
#ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
/*
* for normal alerts rr->length is 2, while
*/
FIX ME
#endif
- s->rlayer.rstate = SSL_ST_READ_HEADER;
- rr->length = 0;
+ s->rlayer.rstate = SSL_ST_READ_HEADER;
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
/* now move 'n' bytes: */
for (k = 0; k < dest_maxlen; k++) {
- dest[k] = rr->data[rr->off++];
- rr->length--;
+ dest[k] = SSL3_RECORD_get_data(rr)[SSL3_RECORD_get_off(rr)];
+ SSL3_RECORD_add_off(rr, 1);
+ SSL3_RECORD_add_length(rr, -1);
}
*dest_len = dest_maxlen;
}
(s->rlayer.d->handshake_fragment[3] != 0)) {
al = SSL_AD_DECODE_ERROR;
SSLerr(SSL_F_DTLS1_READ_BYTES, SSL_R_BAD_HELLO_REQUEST);
- goto err;
+ goto f_err;
}
/*
if (s->shutdown & SSL_SENT_SHUTDOWN) { /* but we have not received a
* shutdown */
s->rwstate = SSL_NOTHING;
- rr->length = 0;
+ SSL3_RECORD_set_length(rr, 0);
return (0);
}
- if (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC) {
- struct ccs_header_st ccs_hdr;
- unsigned int ccs_hdr_len = DTLS1_CCS_HEADER_LENGTH;
-
- dtls1_get_ccs_header(rr->data, &ccs_hdr);
-
- if (s->version == DTLS1_BAD_VER)
- ccs_hdr_len = 3;
-
- /*
- * 'Change Cipher Spec' is just a single byte, so we know exactly
- * what the record payload has to look like
- */
- /* XDTLS: check that epoch is consistent */
- if ((rr->length != ccs_hdr_len) ||
- (rr->off != 0) || (rr->data[0] != SSL3_MT_CCS)) {
- i = SSL_AD_ILLEGAL_PARAMETER;
- SSLerr(SSL_F_DTLS1_READ_BYTES, SSL_R_BAD_CHANGE_CIPHER_SPEC);
- goto err;
- }
-
- rr->length = 0;
-
- if (s->msg_callback)
- s->msg_callback(0, s->version, SSL3_RT_CHANGE_CIPHER_SPEC,
- rr->data, 1, s, s->msg_callback_arg);
-
+ if (SSL3_RECORD_get_type(rr) == SSL3_RT_CHANGE_CIPHER_SPEC) {
/*
* We can't process a CCS now, because previous handshake messages
* are still missing, so just drop it.
*/
- if (!s->d1->change_cipher_spec_ok) {
- goto start;
- }
-
- s->d1->change_cipher_spec_ok = 0;
-
- s->s3->change_cipher_spec = 1;
- if (!ssl3_do_change_cipher_spec(s))
- goto err;
-
- /* do this whenever CCS is processed */
- dtls1_reset_seq_numbers(s, SSL3_CC_READ);
-
- if (s->version == DTLS1_BAD_VER)
- s->d1->handshake_read_seq++;
-
-#ifndef OPENSSL_NO_SCTP
- /*
- * Remember that a CCS has been received, so that an old key of
- * SCTP-Auth can be deleted when a CCS is sent. Will be ignored if no
- * SCTP is used
- */
- BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD, 1, NULL);
-#endif
-
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
* Unexpected handshake message (Client Hello, or protocol violation)
*/
if ((s->rlayer.d->handshake_fragment_len >= DTLS1_HM_HEADER_LENGTH) &&
- !s->in_handshake) {
+ !ossl_statem_get_in_handshake(s)) {
struct hm_header_st msg_hdr;
/* this may just be a stale retransmit */
dtls1_get_message_header(rr->data, &msg_hdr);
- if (rr->epoch != s->rlayer.d->r_epoch) {
- rr->length = 0;
+ if (SSL3_RECORD_get_epoch(rr) != s->rlayer.d->r_epoch) {
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
return -1;
dtls1_retransmit_buffered_messages(s);
- rr->length = 0;
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
- if (((s->state & SSL_ST_MASK) == SSL_ST_OK) &&
+ 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;
}
goto start;
}
- switch (rr->type) {
+ switch (SSL3_RECORD_get_type(rr)) {
default:
/* TLS just ignores unknown message types */
if (s->version == TLS1_VERSION) {
- rr->length = 0;
+ SSL3_RECORD_set_length(rr, 0);
goto start;
}
al = SSL_AD_UNEXPECTED_MESSAGE;
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_DTLS1_READ_BYTES, ERR_R_INTERNAL_ERROR);
*/
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)
- )
- )) {
+ 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);
}
goto err;
}
- p = wb->buf + prefix_len;
+ p = SSL3_BUFFER_get_buf(wb) + prefix_len;
/* write the header */
*(p++) = type & 0xff;
- wr->type = type;
+ SSL3_RECORD_set_type(wr, type);
/*
* Special case: for hello verify request, client version 1.0 and we
* haven't decided which version to use yet send back using version 1.0
/* 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. */
- wr->data = p + eivlen; /* make room for IV in case of CBC */
- wr->length = (int)len;
- wr->input = (unsigned char *)buf;
+ SSL3_RECORD_set_data(wr, p + eivlen); /* make room for IV in case of CBC */
+ SSL3_RECORD_set_length(wr, (int)len);
+ SSL3_RECORD_set_input(wr, (unsigned char *)buf);
/*
* we now 'read' from wr->input, wr->length bytes into wr->data
goto err;
}
} else {
- memcpy(wr->data, wr->input, wr->length);
- wr->input = wr->data;
+ memcpy(SSL3_RECORD_get_data(wr), SSL3_RECORD_get_input(wr),
+ SSL3_RECORD_get_length(wr));
+ SSL3_RECORD_reset_input(wr);
}
/*
*/
if (mac_size != 0) {
- if (s->method->ssl3_enc->mac(s, &(p[wr->length + eivlen]), 1) < 0)
+ if (s->method->ssl3_enc->mac(s,
+ &(p[SSL3_RECORD_get_length(wr) + eivlen]), 1) < 0)
goto err;
- wr->length += mac_size;
+ SSL3_RECORD_add_length(wr, mac_size);
}
/* this is true regardless of mac size */
- wr->input = p;
- wr->data = p;
+ SSL3_RECORD_set_data(wr, p);
+ SSL3_RECORD_reset_input(wr);
if (eivlen)
- wr->length += eivlen;
+ SSL3_RECORD_add_length(wr, eivlen);
if (s->method->ssl3_enc->enc(s, 1) < 1)
goto err;
memcpy(pseq, &(s->rlayer.write_sequence[2]), 6);
pseq += 6;
- s2n(wr->length, pseq);
+ s2n(SSL3_RECORD_get_length(wr), pseq);
if (s->msg_callback)
s->msg_callback(1, 0, SSL3_RT_HEADER, pseq - DTLS1_RT_HEADER_LENGTH,
* we should now have wr->data pointing to the encrypted data, which is
* wr->length long
*/
- wr->type = type; /* not needed but helps for debugging */
- wr->length += DTLS1_RT_HEADER_LENGTH;
+ SSL3_RECORD_set_type(wr, type); /* not needed but helps for debugging */
+ SSL3_RECORD_add_length(wr, DTLS1_RT_HEADER_LENGTH);
ssl3_record_sequence_update(&(s->rlayer.write_sequence[0]));
}
/* now let's set up wb */
- wb->left = prefix_len + wr->length;
- wb->offset = 0;
+ SSL3_BUFFER_set_left(wb, prefix_len + SSL3_RECORD_get_length(wr));
+ SSL3_BUFFER_set_offset(wb, 0);
/*
* memorize arguments so that ssl3_write_pending can detect bad write
if (rw & SSL3_CC_READ) {
seq = s->rlayer.read_sequence;
s->rlayer.d->r_epoch++;
- memcpy(&(s->rlayer.d->bitmap), &(s->rlayer.d->next_bitmap),
- sizeof(DTLS1_BITMAP));
- memset(&(s->rlayer.d->next_bitmap), 0x00, sizeof(DTLS1_BITMAP));
+ memcpy(&s->rlayer.d->bitmap, &s->rlayer.d->next_bitmap,
+ sizeof(s->rlayer.d->bitmap));
+ memset(&s->rlayer.d->next_bitmap, 0,
+ sizeof(s->rlayer.d->next_bitmap));
} else {
seq = s->rlayer.write_sequence;
memcpy(s->rlayer.d->last_write_sequence, seq,
s->rlayer.d->w_epoch++;
}
- memset(seq, 0x00, seq_bytes);
+ memset(seq, 0, seq_bytes);
}