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Merge dacd97de30 into ca49944c85

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Jeff 2018-01-03 15:28:39 +00:00 • committed by GitHub
commit c354230ae7
1 changed files with 5 additions and 5 deletions
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10
libi2pd/Garlic.cpp
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@ -538,7 +538,7 @@ namespace garlic
{
case eGarlicDeliveryTypeLocal:
LogPrint (eLogDebug, "Garlic: type local");
if (offset > (int)len)
if (offset > (int)len || offset <= 0)
{
LogPrint (eLogError, "Garlic: message is too short");
break;
@ -549,7 +549,7 @@ namespace garlic
LogPrint (eLogDebug, "Garlic: type destination");
buf += 32; // destination. check it later or for multiple destinations
offset = buf1 - buf;
if (offset > (int)len)
if (offset > (int)len || offset <= 0)
{
LogPrint (eLogError, "Garlic: message is too short");
break;
@ -563,7 +563,7 @@ namespace garlic
uint8_t * gwHash = buf;
buf += 32;
offset = buf1 - buf;
if (offset + 4 > (int)len)
if (offset + 4 > (int)len || offset < 4)
{
LogPrint (eLogError, "Garlic: message is too short");
break;
@ -594,7 +594,7 @@ namespace garlic
offset = buf1 - buf;
if (!from) // received directly
{
if (offset > (int)len)
if (offset > (int)len || offset <= 0)
{
LogPrint (eLogError, "Garlic: message is too short");
break;
@ -609,7 +609,7 @@ namespace garlic
default:
LogPrint (eLogWarning, "Garlic: unknown delivery type ", (int)deliveryType);
}
if (offset > (int)len)
if (offset > (int)len || offset <= 0)
{
LogPrint (eLogError, "Garlic: message is too short");
break;