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59 lines
1.4 KiB
59 lines
1.4 KiB
4 months ago
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#include <iostream>
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#include <fstream>
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#include <string.h>
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#include <string>
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#include <iostream>
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#include <sstream>
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#include <errno.h>
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#include "gptcl.h"
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#include <fcntl.h>
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#include <unistd.h>
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static int fuzz_gpt(char* partition_file) {
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BasicMBRData mbrData;
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GPTData gptData;
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GPTPart partData;
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int numParts = 0;
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stringstream res;
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gptData.JustLooking();
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gptData.LoadPartitions((string) partition_file);
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gptData.LoadMainTable();
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gptData.GetDiskGUID();
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numParts = gptData.GetNumParts();
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//Extracted from the android_dump function in sgdisk.cc, hits more code
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for (int i = 0; i < numParts; i++) {
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partData = gptData[i];
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if (partData.GetFirstLBA() > 0) {
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partData.GetType();
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partData.GetUniqueGUID();
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partData.GetDescription();;
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}
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}
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return 0;
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}
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#ifdef GPTFDISK_FUZZER_DEVICE
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#define TMPFILE_TEMPLATE "/data/local/tmp/gptfuzzXXXXXXXX\x00"
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#else
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#define TMPFILE_TEMPLATE "/dev/shm/gptfuzzXXXXXXXX\x00"
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#endif
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size_t TMPFILE_LEN = sizeof(TMPFILE_TEMPLATE);
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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char partition_tmp_file[TMPFILE_LEN];
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int tmpfd;
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memcpy(partition_tmp_file, TMPFILE_TEMPLATE, TMPFILE_LEN);
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tmpfd = mkstemp(partition_tmp_file);
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if(tmpfd < 0)
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return -1;
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write(tmpfd, data, size);
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close(tmpfd);
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fuzz_gpt(partition_tmp_file);
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remove(partition_tmp_file);
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return 0;
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}
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