X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Ftimedate%2Ftimedatectl.c;h=80afc57131b68c0b295dffcd2767306654bb8df5;hb=88e262b667df1cd9873c45f0062ae79735f41ae6;hp=2b006ce924a552cf1577d265cce4c4a2d648ffa2;hpb=7591abd48079edc1f2adbd922e4b83eb73abeabe;p=elogind.git diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c index 2b006ce92..80afc5713 100644 --- a/src/timedate/timedatectl.c +++ b/src/timedate/timedatectl.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -33,6 +34,7 @@ #include "hwclock.h" #include "strv.h" #include "pager.h" +#include "time-dst.h" static bool arg_adjust_system_clock = false; static bool arg_no_pager = false; @@ -42,14 +44,15 @@ static enum transport { TRANSPORT_POLKIT } arg_transport = TRANSPORT_NORMAL; static bool arg_ask_password = true; -static const char *arg_host = NULL; +static char *arg_host = NULL; +static char *arg_user = NULL; static void pager_open_if_enabled(void) { if (arg_no_pager) return; - pager_open(); + pager_open(false); } static void polkit_agent_open_if_enabled(void) { @@ -66,42 +69,58 @@ typedef struct StatusInfo { const char *timezone; bool local_rtc; bool ntp; + bool can_ntp; } StatusInfo; -static bool ntp_synced(void) { - struct timex txc; - - zero(txc); - if (adjtimex(&txc) < 0) - return false; - - if (txc.status & STA_UNSYNC) - return false; - - return true; +static const char *jump_str(int delta_minutes, char *s, size_t size) { + if (delta_minutes == 60) + return "one hour forward"; + if (delta_minutes == -60) + return "one hour backwards"; + if (delta_minutes < 0) { + snprintf(s, size, "%i minutes backwards", -delta_minutes); + return s; + } + if (delta_minutes > 0) { + snprintf(s, size, "%i minutes forward", delta_minutes); + return s; + } + return ""; } static void print_status_info(StatusInfo *i) { usec_t n; + char a[FORMAT_TIMESTAMP_MAX]; char b[FORMAT_TIMESTAMP_MAX]; + char s[32]; struct tm tm; time_t sec; + char *zc, *zn; + time_t t, tc, tn; + int dn; + bool is_dstc, is_dstn; int r; assert(i); + /* enforce the values of /etc/localtime */ + if (getenv("TZ")) { + fprintf(stderr, "Warning: ignoring the TZ variable, reading the system's timezone setting only.\n\n"); + unsetenv("TZ"); + } + n = now(CLOCK_REALTIME); sec = (time_t) (n / USEC_PER_SEC); zero(tm); - assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) > 0); - char_array_0(b); - printf(" Local time: %s\n", b); + assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)) > 0); + char_array_0(a); + printf(" Local time: %s\n", a); zero(tm); - assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) > 0); - char_array_0(b); - printf(" Universal time: %s\n", b); + assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)) > 0); + char_array_0(a); + printf(" Universal time: %s\n", a); zero(tm); r = hwclock_get_time(&tm); @@ -109,23 +128,65 @@ static void print_status_info(StatusInfo *i) { /* Calculcate the week-day */ mktime(&tm); - assert_se(strftime(b, sizeof(b), "%a, %Y-%m-%d %H:%M:%S", &tm) > 0); - char_array_0(b); - printf(" RTC time: %s\n", b); + assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S", &tm) > 0); + char_array_0(a); + printf(" RTC time: %s\n", a); } - printf(" Timezone: %s\n" + zero(tm); + assert_se(strftime(a, sizeof(a), "%Z, %z", localtime_r(&sec, &tm)) > 0); + char_array_0(a); + printf(" Timezone: %s (%s)\n" " NTP enabled: %s\n" "NTP synchronized: %s\n" " RTC in local TZ: %s\n", strna(i->timezone), - yes_no(i->ntp), + a, + i->can_ntp ? yes_no(i->ntp) : "n/a", yes_no(ntp_synced()), yes_no(i->local_rtc)); + r = time_get_dst(sec, "/etc/localtime", + &tc, &zc, &is_dstc, + &tn, &dn, &zn, &is_dstn); + if (r < 0) + printf(" DST active: n/a\n"); + else { + printf(" DST active: %s\n", yes_no(is_dstc)); + + t = tc - 1; + zero(tm); + assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0); + char_array_0(a); + + zero(tm); + assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)) > 0); + char_array_0(b); + printf(" Last DST change: DST %s at\n" + " %s\n" + " %s\n", + is_dstc ? "began" : "ended", a, b); + + t = tn - 1; + zero(tm); + assert_se(strftime(a, sizeof(a), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)) > 0); + char_array_0(a); + + zero(tm); + assert_se(strftime(b, sizeof(b), "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)) > 0); + char_array_0(b); + printf(" Next DST change: DST %s (the clock jumps %s) at\n" + " %s\n" + " %s\n", + is_dstn ? "begins" : "ends", jump_str(dn, s, sizeof(s)), a, b); + + free(zc); + free(zn); + } + if (i->local_rtc) fputs("\n" ANSI_HIGHLIGHT_ON - "Warning: The RTC is configured to maintain time in the local time zone. This\n" + "Warning: The RTC is configured to maintain time in the local timezone. This\n" " mode is not fully supported and will create various problems with time\n" " zone changes and daylight saving adjustments. If at all possible use\n" " RTC in UTC, by calling 'timedatectl set-local-rtc 0'" ANSI_HIGHLIGHT_OFF ".\n", stdout); @@ -156,6 +217,8 @@ static int status_property(const char *name, DBusMessageIter *iter, StatusInfo * i->local_rtc = b; else if (streq(name, "NTP")) i->ntp = b; + else if (streq(name, "CanNTP")) + i->can_ntp = b; } } @@ -167,7 +230,7 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) { const char *interface = ""; int r; DBusMessageIter iter, sub, sub2, sub3; - StatusInfo info; + StatusInfo info = {}; assert(args); @@ -191,7 +254,6 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) { return -EIO; } - zero(info); dbus_message_iter_recurse(&iter, &sub); while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { @@ -231,7 +293,7 @@ static int show_status(DBusConnection *bus, char **args, unsigned n) { static int set_time(DBusConnection *bus, char **args, unsigned n) { _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - dbus_bool_t relative = false, interactive = true; + dbus_bool_t relative = false, interactive = arg_ask_password; usec_t t; dbus_int64_t u; int r; @@ -265,7 +327,7 @@ static int set_time(DBusConnection *bus, char **args, unsigned n) { static int set_timezone(DBusConnection *bus, char **args, unsigned n) { _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - dbus_bool_t interactive = true; + dbus_bool_t interactive = arg_ask_password; assert(args); assert(n == 2); @@ -287,7 +349,7 @@ static int set_timezone(DBusConnection *bus, char **args, unsigned n) { static int set_local_rtc(DBusConnection *bus, char **args, unsigned n) { _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - dbus_bool_t interactive = true, b, q; + dbus_bool_t interactive = arg_ask_password, b, q; int r; assert(args); @@ -320,7 +382,7 @@ static int set_local_rtc(DBusConnection *bus, char **args, unsigned n) { static int set_ntp(DBusConnection *bus, char **args, unsigned n) { _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - dbus_bool_t interactive = true, b; + dbus_bool_t interactive = arg_ask_password, b; int r; assert(args); @@ -349,17 +411,10 @@ static int set_ntp(DBusConnection *bus, char **args, unsigned n) { DBUS_TYPE_INVALID); } -static int zone_compare(const void *_a, const void *_b) { - const char **a = (const char**) _a, **b = (const char**) _b; - - return strcmp(*a, *b); -} - static int list_timezones(DBusConnection *bus, char **args, unsigned n) { _cleanup_fclose_ FILE *f = NULL; _cleanup_strv_free_ char **zones = NULL; size_t n_zones = 0; - char **i; assert(args); assert(n == 1); @@ -416,14 +471,12 @@ static int list_timezones(DBusConnection *bus, char **args, unsigned n) { } if (zones) - zones[n_zones] = 0; - - qsort(zones, n_zones, sizeof(char*), zone_compare); + zones[n_zones] = NULL; pager_open_if_enabled(); - STRV_FOREACH(i, zones) - puts(*i); + strv_sort(zones); + strv_print(zones); return 0; } @@ -437,6 +490,7 @@ static int help(void) { " --adjust-system-clock\n" " Adjust system clock when changing local RTC mode\n" " --no-pager Do not pipe output into a pager\n" + " -P --privileged Acquire privileges before execution\n" " --no-ask-password Do not prompt for password\n" " -H --host=[USER@]HOST Operate on remote host\n\n" "Commands:\n" @@ -476,7 +530,7 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "+hH:P", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "hH:P", options, NULL)) >= 0) { switch (c) { @@ -486,7 +540,6 @@ static int parse_argv(int argc, char *argv[]) { case ARG_VERSION: puts(PACKAGE_STRING); - puts(DISTRIBUTION); puts(SYSTEMD_FEATURES); return 0; @@ -496,7 +549,11 @@ static int parse_argv(int argc, char *argv[]) { case 'H': arg_transport = TRANSPORT_SSH; - arg_host = optarg; + parse_user_at_host(optarg, &arg_user, &arg_host); + break; + + case ARG_NO_ASK_PASSWORD: + arg_ask_password = false; break; case ARG_ADJUST_SYSTEM_CLOCK: @@ -612,6 +669,7 @@ int main(int argc, char *argv[]) { dbus_error_init(&error); + setlocale(LC_ALL, ""); log_parse_environment(); log_open();