static void test_one(const char *input, const char *output) {
CalendarSpec *c;
_cleanup_free_ char *p = NULL, *q = NULL;
usec_t u;
char buf[FORMAT_TIMESTAMP_MAX];
int r;
assert_se(calendar_spec_from_string(input, &c) >= 0);
assert_se(calendar_spec_to_string(c, &p) >= 0);
printf("\"%s\" → \"%s\"\n", input, p);
assert_se(streq(p, output));
u = now(CLOCK_REALTIME);
r = calendar_spec_next_usec(c, u, &u);
printf("Next: %s\n", r < 0 ? strerror(-r) : format_timestamp(buf, sizeof(buf), u));
calendar_spec_free(c);
assert_se(calendar_spec_from_string(p, &c) >= 0);
assert_se(calendar_spec_to_string(c, &q) >= 0);
calendar_spec_free(c);
assert_se(streq(q, p));
}
static void test_timestamp(void) {
char buf[FORMAT_TIMESTAMP_MAX];
_cleanup_free_ char *t = NULL;
CalendarSpec *c;
usec_t x, y;
/* Ensure that a timestamp is also a valid calendar specification. Convert forth and back */
x = now(CLOCK_REALTIME);
assert_se(format_timestamp_us(buf, sizeof(buf), x));
printf("%s\n", buf);
assert_se(calendar_spec_from_string(buf, &c) >= 0);
assert_se(calendar_spec_to_string(c, &t) >= 0);
calendar_spec_free(c);
printf("%s\n", t);
assert_se(parse_timestamp(t, &y) >= 0);
assert_se(y == x);
}
static void test_hourly_bug_4031(void) {
CalendarSpec *c;
usec_t n, u, w;
char buf[FORMAT_TIMESTAMP_MAX], zaf[FORMAT_TIMESTAMP_MAX];
int r;
assert_se(calendar_spec_from_string("hourly", &c) >= 0);
n = now(CLOCK_REALTIME);
assert_se((r = calendar_spec_next_usec(c, n, &u)) >= 0);
printf("Now: %s (%"PRIu64")\n", format_timestamp_us(buf, sizeof buf, n), n);
printf("Next hourly: %s (%"PRIu64")\n", r < 0 ? strerror(-r) : format_timestamp_us(buf, sizeof buf, u), u);
assert_se((r = calendar_spec_next_usec(c, u, &w)) >= 0);
printf("Next hourly: %s (%"PRIu64")\n", r < 0 ? strerror(-r) : format_timestamp_us(zaf, sizeof zaf, w), w);
assert_se(n < u);
assert_se(u <= n + USEC_PER_HOUR);
assert_se(u < w);
assert_se(w <= u + USEC_PER_HOUR);
calendar_spec_free(c);
}
static void test_next(const char *input, const char *new_tz, usec_t after, usec_t expect) {
CalendarSpec *c;
usec_t u;
char *old_tz;
char buf[FORMAT_TIMESTAMP_MAX];
int r;
old_tz = getenv("TZ");
if (old_tz)
old_tz = strdupa(old_tz);
if (new_tz)
assert_se(setenv("TZ", new_tz, 1) >= 0);
else
assert_se(unsetenv("TZ") >= 0);
tzset();
assert_se(calendar_spec_from_string(input, &c) >= 0);
printf("\"%s\"\n", input);
u = after;
r = calendar_spec_next_usec(c, after, &u);
printf("At: %s\n", r < 0 ? strerror(-r) : format_timestamp_us(buf, sizeof buf, u));
if (expect != (usec_t)-1)
assert_se(r >= 0 && u == expect);
else
assert(r == -ENOENT);
calendar_spec_free(c);
if (old_tz)
assert_se(setenv("TZ", old_tz, 1) >= 0);
else
assert_se(unsetenv("TZ") >= 0);
tzset();
}
int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
CalendarSpec *c;
int r;
assert(p);
assert(spec);
if (isempty(p))
return -EINVAL;
c = new0(CalendarSpec, 1);
if (!c)
return -ENOMEM;
if (strcaseeq(p, "hourly")) {
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "daily")) {
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "monthly")) {
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "weekly")) {
c->weekdays_bits = 1;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else {
r = parse_weekdays(&p, c);
if (r < 0)
goto fail;
r = parse_date(&p, c);
if (r < 0)
goto fail;
r = parse_time(&p, c);
if (r < 0)
goto fail;
if (*p != 0) {
r = -EINVAL;
goto fail;
}
}
r = calendar_spec_normalize(c);
if (r < 0)
goto fail;
if (!calendar_spec_valid(c)) {
r = -EINVAL;
goto fail;
}
*spec = c;
return 0;
fail:
calendar_spec_free(c);
return r;
}
int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
const char *utc;
CalendarSpec *c;
int r;
assert(p);
assert(spec);
c = new0(CalendarSpec, 1);
if (!c)
return -ENOMEM;
c->dst = -1;
c->timezone = NULL;
utc = endswith_no_case(p, " UTC");
if (utc) {
c->utc = true;
p = strndupa(p, utc - p);
} else {
const char *e = NULL;
int j;
tzset();
/* Check if the local timezone was specified? */
for (j = 0; j <= 1; j++) {
if (isempty(tzname[j]))
continue;
e = endswith_no_case(p, tzname[j]);
if (!e)
continue;
if (e == p)
continue;
if (e[-1] != ' ')
continue;
break;
}
/* Found one of the two timezones specified? */
if (IN_SET(j, 0, 1)) {
p = strndupa(p, e - p - 1);
c->dst = j;
} else {
const char *last_space;
last_space = strrchr(p, ' ');
if (last_space != NULL && timezone_is_valid(last_space + 1)) {
c->timezone = strdup(last_space + 1);
if (!c->timezone) {
r = -ENOMEM;
goto fail;
}
p = strndupa(p, last_space - p);
}
}
}
if (isempty(p)) {
r = -EINVAL;
goto fail;
}
if (strcaseeq(p, "minutely")) {
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "hourly")) {
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "daily")) {
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "monthly")) {
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "annually") ||
strcaseeq(p, "yearly") ||
strcaseeq(p, "anually") /* backwards compatibility */ ) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "weekly")) {
c->weekdays_bits = 1;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "quarterly")) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(4, &c->month);
if (r < 0)
goto fail;
r = const_chain(7, &c->month);
if (r < 0)
goto fail;
r = const_chain(10, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "biannually") ||
strcaseeq(p, "bi-annually") ||
strcaseeq(p, "semiannually") ||
strcaseeq(p, "semi-annually")) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(7, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->microsecond);
if (r < 0)
goto fail;
} else {
r = parse_weekdays(&p, c);
if (r < 0)
goto fail;
r = parse_date(&p, c);
if (r < 0)
goto fail;
if (r == 0) {
r = parse_calendar_time(&p, c);
if (r < 0)
goto fail;
}
if (*p != 0) {
r = -EINVAL;
goto fail;
}
}
r = calendar_spec_normalize(c);
if (r < 0)
goto fail;
if (!calendar_spec_valid(c)) {
r = -EINVAL;
goto fail;
}
*spec = c;
return 0;
fail:
calendar_spec_free(c);
return r;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_ASK_PASSWORD,
ARG_USER,
ARG_SYSTEM,
ARG_SCOPE,
ARG_UNIT,
ARG_DESCRIPTION,
ARG_SLICE,
ARG_SEND_SIGHUP,
ARG_EXEC_USER,
ARG_EXEC_GROUP,
ARG_SERVICE_TYPE,
ARG_NICE,
ARG_SETENV,
ARG_TTY,
ARG_ON_ACTIVE,
ARG_ON_BOOT,
ARG_ON_STARTUP,
ARG_ON_UNIT_ACTIVE,
ARG_ON_UNIT_INACTIVE,
ARG_ON_CALENDAR,
ARG_TIMER_PROPERTY,
ARG_NO_BLOCK,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "user", no_argument, NULL, ARG_USER },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "scope", no_argument, NULL, ARG_SCOPE },
{ "unit", required_argument, NULL, ARG_UNIT },
{ "description", required_argument, NULL, ARG_DESCRIPTION },
{ "slice", required_argument, NULL, ARG_SLICE },
{ "remain-after-exit", no_argument, NULL, 'r' },
{ "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
{ "uid", required_argument, NULL, ARG_EXEC_USER },
{ "gid", required_argument, NULL, ARG_EXEC_GROUP },
{ "nice", required_argument, NULL, ARG_NICE },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "property", required_argument, NULL, 'p' },
{ "tty", no_argument, NULL, 't' },
{ "quiet", no_argument, NULL, 'q' },
{ "on-active", required_argument, NULL, ARG_ON_ACTIVE },
{ "on-boot", required_argument, NULL, ARG_ON_BOOT },
{ "on-startup", required_argument, NULL, ARG_ON_STARTUP },
{ "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
{ "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
{ "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
{ "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
{ "no-block", no_argument, NULL, ARG_NO_BLOCK },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{},
};
int r, c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "+hrH:M:p:tq", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case ARG_NO_ASK_PASSWORD:
arg_ask_password = false;
break;
case ARG_VERSION:
return version();
case ARG_USER:
arg_user = true;
break;
case ARG_SYSTEM:
arg_user = false;
break;
case ARG_SCOPE:
arg_scope = true;
break;
case ARG_UNIT:
arg_unit = optarg;
break;
case ARG_DESCRIPTION:
arg_description = optarg;
break;
case ARG_SLICE:
arg_slice = optarg;
break;
case ARG_SEND_SIGHUP:
arg_send_sighup = true;
break;
case 'r':
arg_remain_after_exit = true;
break;
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
case ARG_SERVICE_TYPE:
arg_service_type = optarg;
break;
case ARG_EXEC_USER:
arg_exec_user = optarg;
break;
case ARG_EXEC_GROUP:
arg_exec_group = optarg;
break;
case ARG_NICE:
r = safe_atoi(optarg, &arg_nice);
if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
log_error("Failed to parse nice value");
return -EINVAL;
}
arg_nice_set = true;
break;
case ARG_SETENV:
if (strv_extend(&arg_environment, optarg) < 0)
return log_oom();
break;
case 'p':
if (strv_extend(&arg_property, optarg) < 0)
return log_oom();
break;
case 't':
arg_pty = true;
break;
case 'q':
arg_quiet = true;
break;
case ARG_ON_ACTIVE:
r = parse_sec(optarg, &arg_on_active);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_BOOT:
r = parse_sec(optarg, &arg_on_boot);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_STARTUP:
r = parse_sec(optarg, &arg_on_startup);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_UNIT_ACTIVE:
r = parse_sec(optarg, &arg_on_unit_active);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_UNIT_INACTIVE:
r = parse_sec(optarg, &arg_on_unit_inactive);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_CALENDAR: {
CalendarSpec *spec = NULL;
r = calendar_spec_from_string(optarg, &spec);
if (r < 0) {
log_error("Invalid calendar spec: %s", optarg);
return r;
}
calendar_spec_free(spec);
arg_on_calendar = optarg;
break;
}
case ARG_TIMER_PROPERTY:
if (strv_extend(&arg_timer_property, optarg) < 0)
return log_oom();
break;
case ARG_NO_BLOCK:
arg_no_block = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
if ((optind >= argc) && (!arg_unit || !with_timer())) {
log_error("Command line to execute required.");
return -EINVAL;
}
if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Execution in user context is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Scope execution is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && (arg_remain_after_exit || arg_service_type)) {
log_error("--remain-after-exit and --service-type= are not supported in --scope mode.");
return -EINVAL;
}
if (arg_pty && (with_timer() || arg_scope)) {
log_error("--pty is not compatible in timer or --scope mode.");
return -EINVAL;
}
if (arg_pty && arg_transport == BUS_TRANSPORT_REMOTE) {
log_error("--pty is only supported when connecting to the local system or containers.");
return -EINVAL;
}
if (arg_scope && with_timer()) {
log_error("Timer options are not supported in --scope mode.");
return -EINVAL;
}
if (arg_timer_property && !with_timer()) {
log_error("--timer-property= has no effect without any other timer options.");
return -EINVAL;
}
return 1;
}
int calendar_spec_from_string(const char *p, CalendarSpec **spec) {
CalendarSpec *c;
int r;
const char *utc;
assert(p);
assert(spec);
if (isempty(p))
return -EINVAL;
c = new0(CalendarSpec, 1);
if (!c)
return -ENOMEM;
utc = endswith_no_case(p, " UTC");
if (utc) {
c->utc = true;
p = strndupa(p, utc - p);
}
if (strcaseeq(p, "minutely")) {
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "hourly")) {
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "daily")) {
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "monthly")) {
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "annually") ||
strcaseeq(p, "yearly") ||
strcaseeq(p, "anually") /* backwards compatibility */ ) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "weekly")) {
c->weekdays_bits = 1;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "quarterly")) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(4, &c->month);
if (r < 0)
goto fail;
r = const_chain(7, &c->month);
if (r < 0)
goto fail;
r = const_chain(10, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else if (strcaseeq(p, "biannually") ||
strcaseeq(p, "bi-annually") ||
strcaseeq(p, "semiannually") ||
strcaseeq(p, "semi-annually")) {
r = const_chain(1, &c->month);
if (r < 0)
goto fail;
r = const_chain(7, &c->month);
if (r < 0)
goto fail;
r = const_chain(1, &c->day);
if (r < 0)
goto fail;
r = const_chain(0, &c->hour);
if (r < 0)
goto fail;
r = const_chain(0, &c->minute);
if (r < 0)
goto fail;
r = const_chain(0, &c->second);
if (r < 0)
goto fail;
} else {
r = parse_weekdays(&p, c);
if (r < 0)
goto fail;
r = parse_date(&p, c);
if (r < 0)
goto fail;
r = parse_time(&p, c);
if (r < 0)
goto fail;
if (*p != 0) {
r = -EINVAL;
goto fail;
}
}
r = calendar_spec_normalize(c);
if (r < 0)
goto fail;
if (!calendar_spec_valid(c)) {
r = -EINVAL;
goto fail;
}
*spec = c;
return 0;
fail:
calendar_spec_free(c);
return r;
}