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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Copyright (c) 2016-2021, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#define NS_PARSE_PRIVATE
#define NETWORKSTATUS_PRIVATE
#include "core/or/or.h"
#include "feature/dirauth/dirvote.h"
#include "feature/dirparse/ns_parse.h"
#include "feature/dirparse/unparseable.h"
#include "lib/memarea/memarea.h"
#include "feature/nodelist/microdesc.h"
#include "feature/nodelist/networkstatus.h"
#include "feature/nodelist/networkstatus_st.h"
#include "feature/nodelist/vote_routerstatus_st.h"
#include "lib/crypt_ops/crypto_ed25519.h"
#include "test/fuzz/fuzzing.h"
static void
mock_dump_desc__nodump(const char *desc, const char *type)
{
(void)desc;
(void)type;
}
static networkstatus_t *dummy_vote = NULL;
static memarea_t *area = NULL;
int
fuzz_init(void)
{
disable_signature_checking();
MOCK(dump_desc, mock_dump_desc__nodump);
ed25519_init();
area = memarea_new();
dummy_vote = tor_malloc_zero(sizeof(*dummy_vote));
dummy_vote->known_flags = smartlist_new();
smartlist_split_string(dummy_vote->known_flags,
DIRVOTE_UNIVERSAL_FLAGS,
" ", 0, 0);
smartlist_split_string(dummy_vote->known_flags,
DIRVOTE_OPTIONAL_FLAGS,
" ", 0, 0);
smartlist_sort_strings(dummy_vote->known_flags);
return 0;
}
int
fuzz_cleanup(void)
{
SMARTLIST_FOREACH(dummy_vote->known_flags, char *, cp, tor_free(cp));
smartlist_free(dummy_vote->known_flags);
tor_free(dummy_vote);
return 0;
}
int
fuzz_main(const uint8_t *data, size_t sz)
{
const char *s;
routerstatus_t *rs_ns = NULL, *rs_md = NULL, *rs_vote = NULL;
vote_routerstatus_t *vrs = tor_malloc_zero(sizeof(*vrs));
smartlist_t *tokens = smartlist_new();
const char *eos = (const char *)data + sz;
s = (const char *)data;
rs_ns = routerstatus_parse_entry_from_string(area, &s, eos, tokens,
NULL, NULL, 26, FLAV_NS);
tor_assert(smartlist_len(tokens) == 0);
s = (const char *)data;
rs_md = routerstatus_parse_entry_from_string(area, &s, eos, tokens,
NULL, NULL, 26, FLAV_MICRODESC);
tor_assert(smartlist_len(tokens) == 0);
s = (const char *)data;
rs_vote = routerstatus_parse_entry_from_string(area, &s, eos, tokens,
dummy_vote, vrs, 26, FLAV_NS);
tor_assert(smartlist_len(tokens) == 0);
log_debug(LD_GENERAL,
"ns=%p, md=%p, vote=%p", rs_ns, rs_md, rs_vote);
routerstatus_free(rs_md);
routerstatus_free(rs_ns);
vote_routerstatus_free(vrs);
memarea_clear(area);
smartlist_free(tokens);
return 0;
}
|
