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77 lines
1.6 KiB
77 lines
1.6 KiB
#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <dirent.h>
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#include <unistd.h>
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int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
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int main(int argc, char** argv)
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{
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FILE * fp;
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uint8_t Data[0x1000];
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size_t Size;
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DIR *d;
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struct dirent *dir;
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int r = 0;
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if (argc != 2) {
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return 1;
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}
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d = opendir(argv[1]);
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if (d == NULL) {
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printf("Invalid directory\n");
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return 2;
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}
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if (chdir(argv[1]) != 0) {
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closedir(d);
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printf("Invalid directory\n");
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return 2;
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}
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while((dir = readdir(d)) != NULL) {
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//opens the file, get its size, and reads it into a buffer
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if (dir->d_type != DT_REG) {
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continue;
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}
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//printf("Running %s\n", dir->d_name);
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fp = fopen(dir->d_name, "rb");
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if (fp == NULL) {
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r = 3;
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break;
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}
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if (fseek(fp, 0L, SEEK_END) != 0) {
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fclose(fp);
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r = 4;
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break;
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}
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Size = ftell(fp);
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if (Size == (size_t) -1) {
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fclose(fp);
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r = 5;
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break;
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} else if (Size > 0x1000) {
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fclose(fp);
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continue;
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}
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if (fseek(fp, 0L, SEEK_SET) != 0) {
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fclose(fp);
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r = 7;
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break;
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}
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if (fread(Data, Size, 1, fp) != 1) {
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fclose(fp);
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r = 8;
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break;
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}
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//lauch fuzzer
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LLVMFuzzerTestOneInput(Data, Size);
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fclose(fp);
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}
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closedir(d);
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return r;
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}
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