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Avoid UB and abort on nullptr buffer (#7822)

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* Avoid UB and abort on nullptr buffer
* Report OOM on return value
This commit is contained in:
Paulo Cabral Sanz
2021-01-12 18:39:55 -03:00
committed by GitHub
parent 34545a160d
commit 07241dd407
2 changed files with 8 additions and 2 deletions
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8
libraries/Netdump/src/Netdump.cpp
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@ -84,12 +84,17 @@ void Netdump::fileDump(File& outfile, const Filter nf)
fileDumpProcess(outfile, ndp);
}, nf);
}
void Netdump::tcpDump(WiFiServer &tcpDumpServer, const Filter nf)
bool Netdump::tcpDump(WiFiServer &tcpDumpServer, const Filter nf)
{
if (!packetBuffer)
{
packetBuffer = new (std::nothrow) char[tcpBufferSize];
if (!packetBuffer)
{
return false;
}
}
bufferIndex = 0;
@ -97,6 +102,7 @@ void Netdump::tcpDump(WiFiServer &tcpDumpServer, const Filter nf)
{
tcpDumpLoop(tcpDumpServer, nf);
});
return true;
}
void Netdump::capture(int netif_idx, const char* data, size_t len, int out, int success)