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POSIX: PCAP: Check header & data before using

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This commit is contained in:
Kyle Schwarz
2022-12-19 03:03:12 -05:00
parent 78465e0f20
commit f4e4a103ad
1 changed files with 1 additions and 1 deletions
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platform/posix/pcap.cpp
+1 -1
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@@ -140,7 +140,7 @@ void PCAP::Find(std::vector<FoundDevice>& found) {
struct pcap_pkthdr* header; struct pcap_pkthdr* header;
const uint8_t* data; const uint8_t* data;
auto res = pcap_next_ex(iface.fp, &header, &data); auto res = pcap_next_ex(iface.fp, &header, &data);
if(res < 0) { if(res < 0 || !header || !data) {
if (!warned) { if (!warned) {
warned = true; warned = true;
EventManager::GetInstance().add(APIEvent::Type::PCAPCouldNotFindDevices, APIEvent::Severity::EventWarning); EventManager::GetInstance().add(APIEvent::Type::PCAPCouldNotFindDevices, APIEvent::Severity::EventWarning);