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Merge pull request #470 from JacobBarthelmeh/Testing

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sanity checks
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toddouska 2016-06-30 19:30:28 -07:00 committed by GitHub
commit 000f1a19e5
1 changed files with 17 additions and 5 deletions
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22
src/internal.c
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@ -4822,7 +4822,7 @@ void ShrinkInputBuffer(WOLFSSL* ssl, int forcedFree)
WOLFSSL_MSG("Shrinking input buffer\n");
if (!forcedFree && usedLength)
if (!forcedFree && usedLength > 0)
XMEMCPY(ssl->buffers.inputBuffer.staticBuffer,
ssl->buffers.inputBuffer.buffer + ssl->buffers.inputBuffer.idx,
usedLength);
@ -4965,6 +4965,12 @@ int GrowInputBuffer(WOLFSSL* ssl, int size, int usedLength)
while (align < hdrSz)
align *= 2;
}
if (usedLength < 0 || size < 0) {
WOLFSSL_MSG("GrowInputBuffer() called with negative number");
return BAD_FUNC_ARG;
}
tmp = (byte*) XMALLOC(size + usedLength + align, ssl->heap,
DYNAMIC_TYPE_IN_BUFFER);
WOLFSSL_MSG("growing input buffer\n");
@ -7761,8 +7767,12 @@ static int DoDtlsHandShakeMsg(WOLFSSL* ssl, byte* input, word32* inOutIdx,
ssl->keys.dtls_expected_peer_handshake_number) {
/* Already saw this message and processed it. It can be ignored. */
*inOutIdx += fragSz;
if(type == finished )
if(type == finished ) {
if (*inOutIdx + ssl->keys.padSz > totalSz) {
return BUFFER_E;
}
*inOutIdx += ssl->keys.padSz;
}
ret = DtlsPoolSend(ssl);
}
else if (fragSz < size) {
@ -8900,14 +8910,16 @@ static int GetInputData(WOLFSSL *ssl, word32 size)
}
#endif
/* check that no lengths or size values are negative */
if (usedLength < 0 || maxLength < 0 || inSz <= 0) {
return BUFFER_ERROR;
}
if (inSz > maxLength) {
if (GrowInputBuffer(ssl, size + dtlsExtra, usedLength) < 0)
return MEMORY_E;
}
if (inSz <= 0)
return BUFFER_ERROR;
/* Put buffer data at start if not there */
if (usedLength > 0 && ssl->buffers.inputBuffer.idx != 0)
XMEMMOVE(ssl->buffers.inputBuffer.buffer,