hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
#include <netdb.h>
|
|
#include <sys/param.h>
|
|
|
|
#include <string>
|
|
|
|
#include "resolv_fuzzer_utils.h"
|
|
|
|
namespace android::net {
|
|
namespace {
|
|
|
|
// Tests resolv_gethostbyname.
|
|
void TestResolvGethostbyname(FuzzedDataProvider& fdp) {
|
|
std::string hostname = fdp.ConsumeRandomLengthString(MAXHOSTNAMELEN);
|
|
// All valid address families in socket.h, e.g. AF_INET.
|
|
int af = fdp.ConsumeIntegralInRange<int>(0, AF_MAX);
|
|
hostent hbuf;
|
|
char tmpbuf[MAXPACKET];
|
|
hostent* hp;
|
|
NetworkDnsEventReported event;
|
|
|
|
resolv_gethostbyname(fdp.ConsumeBool() ? hostname.c_str() : nullptr, af, &hbuf, tmpbuf,
|
|
sizeof(tmpbuf), &mNetContext, &hp, &event);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
// Entry point of fuzzing test.
|
|
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
|
|
[[maybe_unused]] static const bool initialized = DoInit();
|
|
FuzzedDataProvider fdp(data, size);
|
|
|
|
// Chooses doh or dot.
|
|
std::string flag = fdp.PickValueInArray({"0", "1"});
|
|
ScopedSystemProperties sp(kDohFlag, flag);
|
|
android::net::Experiments::getInstance()->update();
|
|
|
|
auto parcel = DnsResponderClient::GetDefaultResolverParamsParcel();
|
|
// Chooses private DNS or not.
|
|
if (fdp.ConsumeBool()) parcel.tlsServers = {};
|
|
resolverCtrl.setResolverConfiguration(parcel);
|
|
|
|
TestResolvGethostbyname(fdp);
|
|
|
|
CleanUp();
|
|
return 0;
|
|
}
|
|
|
|
} // namespace android::net
|