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Merge pull request #431 from JacobBarthelmeh/master

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sanity checks on wolfSSL_dtls_get_peer arguments
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toddouska 2016-05-26 14:46:58 -07:00
commit a4fa4d5253
1 changed files with 6 additions and 1 deletions
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7
src/ssl.c
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@ -517,8 +517,13 @@ int wolfSSL_dtls_set_peer(WOLFSSL* ssl, void* peer, unsigned int peerSz)
int wolfSSL_dtls_get_peer(WOLFSSL* ssl, void* peer, unsigned int* peerSz) int wolfSSL_dtls_get_peer(WOLFSSL* ssl, void* peer, unsigned int* peerSz)
{ {
#ifdef WOLFSSL_DTLS #ifdef WOLFSSL_DTLS
if (ssl == NULL) {
return SSL_FAILURE;
}
if (peer != NULL && peerSz != NULL if (peer != NULL && peerSz != NULL
&& *peerSz >= ssl->buffers.dtlsCtx.peer.sz) { && *peerSz >= ssl->buffers.dtlsCtx.peer.sz
&& ssl->buffers.dtlsCtx.peer.sa != NULL) {
*peerSz = ssl->buffers.dtlsCtx.peer.sz; *peerSz = ssl->buffers.dtlsCtx.peer.sz;
XMEMCPY(peer, ssl->buffers.dtlsCtx.peer.sa, *peerSz); XMEMCPY(peer, ssl->buffers.dtlsCtx.peer.sa, *peerSz);
return SSL_SUCCESS; return SSL_SUCCESS;