}
} else {
/* SSLv3+ style record */
- /*
- * TODO(TLS1.3): This callback only provides the "outer" record
- * type to the callback. Somehow we need to pass the "inner"
- * record type
- */
if (s->msg_callback)
s->msg_callback(0, 0, SSL3_RT_HEADER, p, 5, s,
s->msg_callback_arg);
/* now s->rlayer.rstate == SSL_ST_READ_BODY */
}
+ if (SSL_IS_TLS13(s)) {
+ if (thisrr->length > SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH) {
+ al = SSL_AD_RECORD_OVERFLOW;
+ SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
+ goto f_err;
+ }
+ } else {
+ size_t len = SSL3_RT_MAX_ENCRYPTED_LENGTH;
+
+#ifndef OPENSSL_NO_COMP
+ /*
+ * If OPENSSL_NO_COMP is defined then SSL3_RT_MAX_ENCRYPTED_LENGTH
+ * does not include the compression overhead anyway.
+ */
+ if (s->expand == NULL)
+ len -= SSL3_RT_MAX_COMPRESSED_OVERHEAD;
+#endif
+
+ if (thisrr->length > len) {
+ al = SSL_AD_RECORD_OVERFLOW;
+ SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
+ goto f_err;
+ }
+ }
+
/*
* s->rlayer.rstate == SSL_ST_READ_BODY, get and decode the data.
* Calculate how much more data we need to read for the rest of the
* thisrr->length bytes of encrypted compressed stuff.
*/
- /* check is not needed I believe */
- if (thisrr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {
- al = SSL_AD_RECORD_OVERFLOW;
- SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
- goto f_err;
- }
-
/* decrypt in place in 'thisrr->input' */
thisrr->data = thisrr->input;
thisrr->orig_len = thisrr->length;
SSLerr(SSL_F_SSL3_GET_RECORD, SSL_R_BAD_RECORD_TYPE);
goto f_err;
}
+ if (s->msg_callback)
+ s->msg_callback(0, s->version, SSL3_RT_INNER_CONTENT_TYPE,
+ &thisrr->data[end], 1, s, s->msg_callback_arg);
}
if (thisrr->length > SSL3_RT_MAX_PLAIN_LENGTH) {
* -1: if the record's padding is invalid or, if sending, an internal error
* occurred.
*/
-int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int send)
+int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int sending)
{
SSL3_RECORD *rec;
EVP_CIPHER_CTX *ds;
*/
if (n_recs != 1)
return 0;
- if (send) {
+ if (sending) {
ds = s->enc_write_ctx;
if (s->enc_write_ctx == NULL)
enc = NULL;
/* COMPRESS */
- if ((bs != 1) && send) {
+ if ((bs != 1) && sending) {
i = bs - (l % bs);
/* we need to add 'i-1' padding bytes */
rec->input[l - 1] = (unsigned char)(i - 1);
}
- if (!send) {
+ if (!sending) {
if (l == 0 || l % bs != 0)
return 0;
/* otherwise, rec->length >= bs */
return -1;
mac_size = (size_t)imac_size;
}
- if ((bs != 1) && !send)
+ if ((bs != 1) && !sending)
return ssl3_cbc_remove_padding(rec, bs, mac_size);
}
return (1);
* -1: if the record's padding/AEAD-authenticator is invalid or, if sending,
* an internal error occurred.
*/
-int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int send)
+int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
{
EVP_CIPHER_CTX *ds;
size_t reclen[SSL_MAX_PIPELINES];
if (n_recs == 0)
return 0;
- if (send) {
+ if (sending) {
if (EVP_MD_CTX_md(s->write_hash)) {
int n = EVP_MD_CTX_size(s->write_hash);
OPENSSL_assert(n >= 0);
& EVP_CIPH_FLAG_AEAD_CIPHER) {
unsigned char *seq;
- seq = send ? RECORD_LAYER_get_write_sequence(&s->rlayer)
+ seq = sending ? RECORD_LAYER_get_write_sequence(&s->rlayer)
: RECORD_LAYER_get_read_sequence(&s->rlayer);
if (SSL_IS_DTLS(s)) {
/* DTLS does not support pipelining */
unsigned char dtlsseq[9], *p = dtlsseq;
- s2n(send ? DTLS_RECORD_LAYER_get_w_epoch(&s->rlayer) :
+ s2n(sending ? DTLS_RECORD_LAYER_get_w_epoch(&s->rlayer) :
DTLS_RECORD_LAYER_get_r_epoch(&s->rlayer), p);
memcpy(p, &seq[2], 6);
memcpy(buf[ctr], dtlsseq, 8);
if (pad <= 0)
return -1;
- if (send) {
+ if (sending) {
reclen[ctr] += pad;
recs[ctr].length += pad;
}
- } else if ((bs != 1) && send) {
+ } else if ((bs != 1) && sending) {
padnum = bs - (reclen[ctr] % bs);
/* Add weird padding of upto 256 bytes */
recs[ctr].length += padnum;
}
- if (!send) {
+ if (!sending) {
if (reclen[ctr] == 0 || reclen[ctr] % bs != 0)
return 0;
}
? (tmpr < 0)
: (tmpr == 0))
return -1; /* AEAD can fail to verify MAC */
- if (send == 0) {
+ if (sending == 0) {
if (EVP_CIPHER_mode(enc) == EVP_CIPH_GCM_MODE) {
for (ctr = 0; ctr < n_recs; ctr++) {
recs[ctr].data += EVP_GCM_TLS_EXPLICIT_IV_LEN;
return -1;
mac_size = (size_t)imac_size;
}
- if ((bs != 1) && !send) {
+ if ((bs != 1) && !sending) {
int tmpret;
for (ctr = 0; ctr < n_recs; ctr++) {
tmpret = tls1_cbc_remove_padding(s, &recs[ctr], bs, mac_size);
ret, -1);
}
}
- if (pad && !send) {
+ if (pad && !sending) {
for (ctr = 0; ctr < n_recs; ctr++) {
recs[ctr].length -= pad;
}
return ret;
}
-int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send)
+int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)
{
unsigned char *mac_sec, *seq;
const EVP_MD_CTX *hash;
size_t npad;
int t;
- if (send) {
+ if (sending) {
mac_sec = &(ssl->s3->write_mac_secret[0]);
seq = RECORD_LAYER_get_write_sequence(&ssl->rlayer);
hash = ssl->write_hash;
md_size = t;
npad = (48 / md_size) * md_size;
- if (!send &&
+ if (!sending &&
EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
ssl3_cbc_record_digest_supported(hash)) {
/*
return 1;
}
-int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send)
+int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int sending)
{
unsigned char *seq;
EVP_MD_CTX *hash;
int i;
EVP_MD_CTX *hmac = NULL, *mac_ctx;
unsigned char header[13];
- int stream_mac = (send ? (ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM)
+ int stream_mac = (sending ? (ssl->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM)
: (ssl->mac_flags & SSL_MAC_FLAG_READ_MAC_STREAM));
int t;
- if (send) {
+ if (sending) {
seq = RECORD_LAYER_get_write_sequence(&ssl->rlayer);
hash = ssl->write_hash;
} else {
if (SSL_IS_DTLS(ssl)) {
unsigned char dtlsseq[8], *p = dtlsseq;
- s2n(send ? DTLS_RECORD_LAYER_get_w_epoch(&ssl->rlayer) :
+ s2n(sending ? DTLS_RECORD_LAYER_get_w_epoch(&ssl->rlayer) :
DTLS_RECORD_LAYER_get_r_epoch(&ssl->rlayer), p);
memcpy(p, &seq[2], 6);
header[11] = (unsigned char)(rec->length >> 8);
header[12] = (unsigned char)(rec->length & 0xff);
- if (!send && !SSL_READ_ETM(ssl) &&
+ if (!sending && !SSL_READ_ETM(ssl) &&
EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
ssl3_cbc_record_digest_supported(mac_ctx)) {
/*
}
/*
- * retrieve a buffered record that belongs to the current epoch, ie,
- * processed
+ * Retrieve a buffered record that belongs to the current epoch, i.e. processed
*/
#define dtls1_get_processed_record(s) \
dtls1_retrieve_buffered_record((s), \
projects / openssl.git / blobdiff