bool is_localhost(const char *hostname) {
assert(hostname);
/* This tries to identify local host and domain names
* described in RFC6761 plus the redhatism of localdomain */
return strcaseeq(hostname, "localhost") ||
strcaseeq(hostname, "localhost.") ||
strcaseeq(hostname, "localhost.localdomain") ||
strcaseeq(hostname, "localhost.localdomain.") ||
endswith_no_case(hostname, ".localhost") ||
endswith_no_case(hostname, ".localhost.") ||
endswith_no_case(hostname, ".localhost.localdomain") ||
endswith_no_case(hostname, ".localhost.localdomain.");
}
static int install_binaries(const char *esp_path, bool force) {
struct dirent *de;
_cleanup_closedir_ DIR *d = NULL;
int r = 0;
if (force) {
/* Don't create any of these directories when we are
* just updating. When we update we'll drop-in our
* files (unless there are newer ones already), but we
* won't create the directories for them in the first
* place. */
r = create_dirs(esp_path);
if (r < 0)
return r;
}
d = opendir(BOOTLIBDIR);
if (!d)
return log_error_errno(errno, "Failed to open \""BOOTLIBDIR"\": %m");
FOREACH_DIRENT(de, d, break) {
int k;
if (!endswith_no_case(de->d_name, ".efi"))
continue;
k = copy_one_file(esp_path, de->d_name, force);
if (k < 0 && r == 0)
r = k;
}
return r;
}
static void test_endswith_no_case(void) {
assert_se(endswith_no_case("fooBAR", "bar"));
assert_se(endswith_no_case("foobar", ""));
assert_se(endswith_no_case("foobar", "FOOBAR"));
assert_se(endswith_no_case("", ""));
assert_se(!endswith_no_case("foobar", "FOO"));
assert_se(!endswith_no_case("foobar", "FOOBARFOOFOO"));
}
static int remove_boot_efi(const char *esp_path) {
char *p;
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r, c = 0;
p = strjoina(esp_path, "/EFI/Boot");
d = opendir(p);
if (!d) {
if (errno == ENOENT)
return 0;
return log_error_errno(errno, "Failed to open directory \"%s\": %m", p);
}
while ((de = readdir(d))) {
_cleanup_close_ int fd = -1;
_cleanup_free_ char *v = NULL;
if (de->d_name[0] == '.')
continue;
if (!endswith_no_case(de->d_name, ".efi"))
continue;
if (!startswith_no_case(de->d_name, "Boot"))
continue;
fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC);
if (fd < 0)
return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name);
r = get_file_version(fd, &v);
if (r < 0)
return r;
if (r > 0 && startswith(v, "systemd-boot ")) {
r = unlinkat(dirfd(d), de->d_name, 0);
if (r < 0)
return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name);
log_info("Removed \"%s/%s\".", p, de->d_name);
}
c++;
}
return c;
}
static int enumerate_binaries(const char *esp_path, const char *path, const char *prefix) {
char *p;
_cleanup_closedir_ DIR *d = NULL;
struct dirent *de;
int r = 0, c = 0;
p = strjoina(esp_path, "/", path);
d = opendir(p);
if (!d) {
if (errno == ENOENT)
return 0;
return log_error_errno(errno, "Failed to read \"%s\": %m", p);
}
while ((de = readdir(d))) {
_cleanup_close_ int fd = -1;
_cleanup_free_ char *v = NULL;
if (de->d_name[0] == '.')
continue;
if (!endswith_no_case(de->d_name, ".efi"))
continue;
if (prefix && !startswith_no_case(de->d_name, prefix))
continue;
fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC);
if (fd < 0)
return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name);
r = get_file_version(fd, &v);
if (r < 0)
return r;
if (r > 0)
printf(" File: └─/%s/%s (%s)\n", path, de->d_name, v);
else
printf(" File: └─/%s/%s\n", path, de->d_name);
c++;
}
return c;
}
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;
}
int parse_timestamp(const char *t, usec_t *usec) {
static const struct {
const char *name;
const int nr;
} day_nr[] = {
{ "Sunday", 0 },
{ "Sun", 0 },
{ "Monday", 1 },
{ "Mon", 1 },
{ "Tuesday", 2 },
{ "Tue", 2 },
{ "Wednesday", 3 },
{ "Wed", 3 },
{ "Thursday", 4 },
{ "Thu", 4 },
{ "Friday", 5 },
{ "Fri", 5 },
{ "Saturday", 6 },
{ "Sat", 6 },
};
const char *k;
const char *utc;
struct tm tm, copy;
time_t x;
usec_t x_usec, plus = 0, minus = 0, ret;
int r, weekday = -1;
unsigned i;
/*
* Allowed syntaxes:
*
* 2012-09-22 16:34:22
* 2012-09-22 16:34 (seconds will be set to 0)
* 2012-09-22 (time will be set to 00:00:00)
* 16:34:22 (date will be set to today)
* 16:34 (date will be set to today, seconds to 0)
* now
* yesterday (time is set to 00:00:00)
* today (time is set to 00:00:00)
* tomorrow (time is set to 00:00:00)
* +5min
* -5days
* @2147483647 (seconds since epoch)
*
*/
assert(t);
assert(usec);
if (t[0] == '@')
return parse_sec(t + 1, usec);
ret = now(CLOCK_REALTIME);
if (streq(t, "now"))
goto finish;
else if (t[0] == '+') {
r = parse_sec(t+1, &plus);
if (r < 0)
return r;
goto finish;
} else if (t[0] == '-') {
r = parse_sec(t+1, &minus);
if (r < 0)
return r;
goto finish;
} else if ((k = endswith(t, " ago"))) {
t = strndupa(t, k - t);
r = parse_sec(t, &minus);
if (r < 0)
return r;
goto finish;
} else if ((k = endswith(t, " left"))) {
t = strndupa(t, k - t);
r = parse_sec(t, &plus);
if (r < 0)
return r;
goto finish;
}
utc = endswith_no_case(t, " UTC");
if (utc)
t = strndupa(t, utc - t);
x = ret / USEC_PER_SEC;
x_usec = 0;
assert_se(localtime_or_gmtime_r(&x, &tm, utc));
tm.tm_isdst = -1;
if (streq(t, "today")) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
} else if (streq(t, "yesterday")) {
tm.tm_mday --;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
} else if (streq(t, "tomorrow")) {
tm.tm_mday ++;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
for (i = 0; i < ELEMENTSOF(day_nr); i++) {
size_t skip;
if (!startswith_no_case(t, day_nr[i].name))
continue;
skip = strlen(day_nr[i].name);
if (t[skip] != ' ')
continue;
weekday = day_nr[i].nr;
t += skip + 1;
break;
}
copy = tm;
k = strptime(t, "%y-%m-%d %H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
return -EINVAL;
parse_usec:
{
unsigned add;
k++;
r = parse_fractional_part_u(&k, 6, &add);
if (r < 0)
return -EINVAL;
if (*k)
return -EINVAL;
x_usec = add;
}
from_tm:
x = mktime_or_timegm(&tm, utc);
if (x == (time_t) -1)
return -EINVAL;
if (weekday >= 0 && tm.tm_wday != weekday)
return -EINVAL;
ret = (usec_t) x * USEC_PER_SEC + x_usec;
finish:
ret += plus;
if (ret > minus)
ret -= minus;
else
ret = 0;
*usec = ret;
return 0;
}
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;
}
int parse_timestamp(const char *t, usec_t *usec) {
static const struct {
const char *name;
const int nr;
} day_nr[] = {
{ "Sunday", 0 },
{ "Sun", 0 },
{ "Monday", 1 },
{ "Mon", 1 },
{ "Tuesday", 2 },
{ "Tue", 2 },
{ "Wednesday", 3 },
{ "Wed", 3 },
{ "Thursday", 4 },
{ "Thu", 4 },
{ "Friday", 5 },
{ "Fri", 5 },
{ "Saturday", 6 },
{ "Sat", 6 },
};
const char *k, *utc, *tzn = NULL;
struct tm tm, copy;
time_t x;
usec_t x_usec, plus = 0, minus = 0, ret;
int r, weekday = -1, dst = -1;
unsigned i;
/*
* Allowed syntaxes:
*
* 2012-09-22 16:34:22
* 2012-09-22 16:34 (seconds will be set to 0)
* 2012-09-22 (time will be set to 00:00:00)
* 16:34:22 (date will be set to today)
* 16:34 (date will be set to today, seconds to 0)
* now
* yesterday (time is set to 00:00:00)
* today (time is set to 00:00:00)
* tomorrow (time is set to 00:00:00)
* +5min
* -5days
* @2147483647 (seconds since epoch)
*
*/
assert(t);
assert(usec);
if (t[0] == '@')
return parse_sec(t + 1, usec);
ret = now(CLOCK_REALTIME);
if (streq(t, "now"))
goto finish;
else if (t[0] == '+') {
r = parse_sec(t+1, &plus);
if (r < 0)
return r;
goto finish;
} else if (t[0] == '-') {
r = parse_sec(t+1, &minus);
if (r < 0)
return r;
goto finish;
} else if ((k = endswith(t, " ago"))) {
t = strndupa(t, k - t);
r = parse_sec(t, &minus);
if (r < 0)
return r;
goto finish;
} else if ((k = endswith(t, " left"))) {
t = strndupa(t, k - t);
r = parse_sec(t, &plus);
if (r < 0)
return r;
goto finish;
}
/* See if the timestamp is suffixed with UTC */
utc = endswith_no_case(t, " UTC");
if (utc)
t = strndupa(t, utc - t);
else {
const char *e = NULL;
int j;
tzset();
/* See if the timestamp is suffixed by either the DST or non-DST local timezone. Note that we only
* support the local timezones here, nothing else. Not because we wouldn't want to, but simply because
* there are no nice APIs available to cover this. By accepting the local time zone strings, we make
* sure that all timestamps written by format_timestamp() can be parsed correctly, even though we don't
* support arbitrary timezone specifications. */
for (j = 0; j <= 1; j++) {
if (isempty(tzname[j]))
continue;
e = endswith_no_case(t, tzname[j]);
if (!e)
continue;
if (e == t)
continue;
if (e[-1] != ' ')
continue;
break;
}
if (IN_SET(j, 0, 1)) {
/* Found one of the two timezones specified. */
t = strndupa(t, e - t - 1);
dst = j;
tzn = tzname[j];
}
}
x = (time_t) (ret / USEC_PER_SEC);
x_usec = 0;
if (!localtime_or_gmtime_r(&x, &tm, utc))
return -EINVAL;
tm.tm_isdst = dst;
if (tzn)
tm.tm_zone = tzn;
if (streq(t, "today")) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
} else if (streq(t, "yesterday")) {
tm.tm_mday--;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
} else if (streq(t, "tomorrow")) {
tm.tm_mday++;
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
for (i = 0; i < ELEMENTSOF(day_nr); i++) {
size_t skip;
if (!startswith_no_case(t, day_nr[i].name))
continue;
skip = strlen(day_nr[i].name);
if (t[skip] != ' ')
continue;
weekday = day_nr[i].nr;
t += skip + 1;
break;
}
copy = tm;
k = strptime(t, "%y-%m-%d %H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d %H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%Y-%m-%d", &tm);
if (k && *k == 0) {
tm.tm_sec = tm.tm_min = tm.tm_hour = 0;
goto from_tm;
}
tm = copy;
k = strptime(t, "%H:%M:%S", &tm);
if (k) {
if (*k == '.')
goto parse_usec;
else if (*k == 0)
goto from_tm;
}
tm = copy;
k = strptime(t, "%H:%M", &tm);
if (k && *k == 0) {
tm.tm_sec = 0;
goto from_tm;
}
return -EINVAL;
parse_usec:
{
unsigned add;
k++;
r = parse_fractional_part_u(&k, 6, &add);
if (r < 0)
return -EINVAL;
if (*k)
return -EINVAL;
x_usec = add;
}
from_tm:
x = mktime_or_timegm(&tm, utc);
if (x == (time_t) -1)
return -EINVAL;
if (weekday >= 0 && tm.tm_wday != weekday)
return -EINVAL;
ret = (usec_t) x * USEC_PER_SEC + x_usec;
finish:
ret += plus;
if (ret > minus)
ret -= minus;
else
ret = 0;
*usec = ret;
return 0;
}
