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libi2pd: fix undefined behaviour and memory overruns

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This fixes the following issues (flagged by cppcheck):
[libi2pd/ECIESX25519AEADRatchetSession.cpp:537]: (error) Buffer is accessed out of bounds: m_NSREncodedKey
[libi2pd/Identity.cpp:22]: (error) Buffer is accessed out of bounds: keys.publicKey
[libi2pd/Identity.cpp:22]: (error) Buffer is accessed out of bounds: publicKey
[libi2pd/NetDb.cpp:70] -> [libi2pd/NetDb.cpp:69]: (error) Iterator 'it' used after element has been erased
[libi2pd/SSUData.cpp:186] -> [libi2pd/SSUData.cpp:187]: (warning) Shifting 32-bit value by 63 bits is undefined behaviour.
This commit is contained in:
Simon Vetter 2021-10-18 12:09:56 +02:00
parent af794f901f
commit a348e10620
4 changed files with 5 additions and 4 deletions
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libi2pd/SSUData.cpp
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@ -185,7 +185,7 @@ namespace transport
auto& incompleteMessage = it->second;
// mark fragment as received
if (fragmentNum < 64)
incompleteMessage->receivedFragmentsBits |= (0x01 << fragmentNum);
incompleteMessage->receivedFragmentsBits |= (uint64_t(0x01) << fragmentNum);
else
LogPrint (eLogWarning, "SSU: Fragment number ", fragmentNum, " exceeds 64");