File: jq_fuzz_execute.cpp

package info (click to toggle)
jq 1.8.1-4
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,852 kB
  • sloc: ansic: 28,064; yacc: 888; sh: 841; python: 316; cpp: 314; lex: 192; makefile: 181; javascript: 34
file content (42 lines) | stat: -rw-r--r-- 1,215 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#include <fuzzer/FuzzedDataProvider.h>
#include <string>

#include "jq.h"
#include "jv.h"

// Fuzzer inspired by /src/jq_test.c
// The goal is to have the fuzzer execute the functions:
// jq_compile -> jv_parse -> jq_next.
extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
  FuzzedDataProvider fdp(data, size);
  std::string prog_payload = fdp.ConsumeRandomLengthString();
  std::string parse_payload1 = fdp.ConsumeRandomLengthString();
  std::string parse_payload2 = fdp.ConsumeRandomLengthString();

  jq_state *jq = NULL;
  jq = jq_init();
  if (jq != NULL) {
    jq_set_attr(jq, jv_string("JQ_ORIGIN"), jv_string("/tmp/"));

    if (jq_compile(jq, prog_payload.c_str())) {
      // Process to jv_parse and then jv_next
      jv input = jv_parse(parse_payload1.c_str());
      if (jv_is_valid(input)) {
        jq_start(jq, input, 0);
        jv next = jv_parse(parse_payload2.c_str());
        if (jv_is_valid(next)) {
          jv actual = jq_next(jq);
          jv_free(actual);
        }
        jv_free(next);
      } else {
        // Only free if input is invalid as otherwise jq_teardown
        // frees it.
        jv_free(input);
      }
    }
  }
  jq_teardown(&jq);

  return 0;
}