| /* 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; |
| } |