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
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "calendarspec.h"
#include "fd-util.h"
#include "fuzz.h"
#include "string-util.h"
#include "time-util.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
_cleanup_(calendar_spec_freep) CalendarSpec *cspec = NULL;
_cleanup_free_ char *str = NULL;
int r;
if (!getenv("SYSTEMD_LOG_LEVEL"))
log_set_max_level(LOG_CRIT);
str = memdup_suffix0(data, size);
size_t l1 = strlen(str);
const char* usecs = l1 < size ? str + l1 + 1 : "";
r = calendar_spec_from_string(str, &cspec);
if (r < 0) {
log_debug_errno(r, "Failed to parse \"%s\": %m", str);
return 0;
}
_cleanup_free_ char *p = NULL;
assert_se(calendar_spec_valid(cspec));
assert_se(calendar_spec_to_string(cspec, &p) == 0);
assert(p);
log_debug("spec: %s → %s", str, p);
_cleanup_(calendar_spec_freep) CalendarSpec *cspec2 = NULL;
assert_se(calendar_spec_from_string(p, &cspec2) >= 0);
assert_se(calendar_spec_valid(cspec2));
usec_t usec = 0;
(void) parse_time(usecs, &usec, 1);
/* If timezone is set, calendar_spec_next_usec() would fork, bleh :(
* Let's not try that. */
cspec->timezone = mfree(cspec->timezone);
log_debug("00: %s", strna(FORMAT_TIMESTAMP(usec)));
for (unsigned i = 1; i <= 20; i++) {
r = calendar_spec_next_usec(cspec, usec, &usec);
if (r < 0) {
log_debug_errno(r, "%02u: %m", i);
break;
}
log_debug("%02u: %s", i, FORMAT_TIMESTAMP(usec));
}
return 0;
}
|
