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; }