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Multicast DTLS

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Tweak the size of the Peer Sequence list.
This commit is contained in:
John Safranek
2017-01-05 17:32:09 -08:00
parent fa4a8fee8c
commit 60c6c32ad3
2 changed files with 11 additions and 10 deletions
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4
src/ssl.c
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@@ -852,7 +852,7 @@ int wolfSSL_CTX_mcast_set_member_id(WOLFSSL_CTX* ctx, byte id)
WOLFSSL_ENTER("wolfSSL_CTX_mcast_set_member_id()");
if (ctx == NULL || id >= MULTICAST_SZ)
if (ctx == NULL || id >= WOLFSSL_MULTICAST_PEERS)
ret = BAD_FUNC_ARG;
if (ret == 0) {
@@ -911,7 +911,7 @@ int wolfSSL_set_secret(WOLFSSL* ssl, unsigned short epoch,
ssl->keys.dtls_epoch = epoch;
for (i = 0, peerSeq = ssl->keys.peerSeq;
i < WOLFSSL_MULTICAST_PEERS;
i < WOLFSSL_DTLS_PEERSEQ_SZ;
i++, peerSeq++) {
peerSeq->nextEpoch = epoch;

17
wolfssl/internal.h
View File

@@ -914,14 +914,16 @@ enum {
#define DTLS_SEQ_BITS (WOLFSSL_DTLS_WINDOW_WORDS * DTLS_WORD_BITS)
#define DTLS_SEQ_SZ (sizeof(word32) * WOLFSSL_DTLS_WINDOW_WORDS)
#ifndef WOLFSSL_MULTICAST_PEERS
/* max allowed multicast group peers */
#ifdef WOLFSSL_MULTICAST
#ifndef WOLFSSL_MULTICAST
#define WOLFSSL_DTLS_PEERSEQ_SZ 1
#else
#ifndef WOLFSSL_MULTICAST_PEERS
/* max allowed multicast group peers */
#define WOLFSSL_MULTICAST_PEERS 100
#else
#define WOLFSSL_MULTICAST_PEERS 1
#endif
#endif /* WOLFSSL_MULTICAST_PEERS */
#define WOLFSSL_DTLS_PEERSEQ_SZ WOLFSSL_MULTICAST_PEERS
#endif /* WOLFSSL_MULTICAST */
enum Misc {
@@ -1044,7 +1046,6 @@ enum Misc {
DTLS_EXPORT_LEN = 2, /* 2 bytes for length and protocol */
DTLS_EXPORT_IP = 46, /* max ip size IPv4 mapped IPv6 */
MAX_EXPORT_BUFFER = 514, /* max size of buffer for exporting */
MULTICAST_SZ = WOLFSSL_MULTICAST_PEERS,
FINISHED_LABEL_SZ = 15, /* TLS finished label size */
TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
EXT_MASTER_LABEL_SZ = 22, /* TLS extended master secret label sz */
@@ -1776,7 +1777,7 @@ typedef struct Keys {
#ifdef WOLFSSL_MULTICAST
byte curPeerId; /* Received peer group ID in current record */
#endif
WOLFSSL_DTLS_PEERSEQ peerSeq[WOLFSSL_MULTICAST_PEERS];
WOLFSSL_DTLS_PEERSEQ peerSeq[WOLFSSL_DTLS_PEERSEQ_SZ];
word16 dtls_peer_handshake_number;
word16 dtls_expected_peer_handshake_number;