diff options
-rw-r--r-- | Makefile.am | 29 | ||||
-rw-r--r-- | configure.ac | 10 | ||||
-rw-r--r-- | src/timesync/.gitignore | 2 | ||||
l--------- | src/timesync/Makefile | 1 | ||||
-rw-r--r-- | src/timesync/timesyncd-gperf.gperf | 17 | ||||
-rw-r--r-- | src/timesync/timesyncd.c | 164 | ||||
-rw-r--r-- | src/timesync/timesyncd.conf.in | 11 | ||||
-rw-r--r-- | src/timesync/timesyncd.h | 97 |
8 files changed, 252 insertions, 79 deletions
diff --git a/Makefile.am b/Makefile.am index cbb405b15e..dc5737e06a 100644 --- a/Makefile.am +++ b/Makefile.am @@ -128,6 +128,7 @@ polkitpolicy_in_files = polkitpolicy_files = dist_udevrules_DATA = nodist_udevrules_DATA = +nodist_pkgsysconf_DATA = dist_pkgsysconf_DATA = dist_pkgdata_DATA = dist_dbuspolicy_DATA = @@ -4017,7 +4018,17 @@ EXTRA_DIST += \ # ------------------------------------------------------------------------------ if ENABLE_TIMESYNCD systemd_timesyncd_SOURCES = \ - src/timesync/timesyncd.c + src/timesync/timesyncd.c \ + src/timesync/timesyncd.h + +nodist_systemd_timesyncd_SOURCES = \ + src/timesync/timesyncd-gperf.c + +EXTRA_DIST += \ + src/timesync/timesyncd-gperf.gperf + +CLEANFILES += \ + src/timesync/timesyncd-gperf.c systemd_timesyncd_LDADD = \ libsystemd-label.la \ @@ -4034,6 +4045,16 @@ nodist_systemunit_DATA += \ EXTRA_DIST += \ units/systemd-timesyncd.service.in + +nodist_pkgsysconf_DATA += \ + src/timesync/timesyncd.conf + +EXTRA_DIST += \ + src/timesync/timesyncd.conf.in + +CLEANFILES += \ + src/timesync/timesyncd.conf + endif # ------------------------------------------------------------------------------ @@ -4763,7 +4784,8 @@ substitutions = \ '|RC_LOCAL_SCRIPT_PATH_START=$(RC_LOCAL_SCRIPT_PATH_START)|' \ '|RC_LOCAL_SCRIPT_PATH_STOP=$(RC_LOCAL_SCRIPT_PATH_STOP)|' \ '|PYTHON=$(PYTHON)|' \ - '|PYTHON_BINARY=$(PYTHON_BINARY)|' + '|PYTHON_BINARY=$(PYTHON_BINARY)|' \ + '|NTP_SERVERS=$(NTP_SERVERS)|' SED_PROCESS = \ $(AM_V_GEN)$(MKDIR_P) $(dir $@) && \ @@ -4791,6 +4813,9 @@ src/%.policy.in: src/%.policy.in.in %.rules: %.rules.in $(SED_PROCESS) +%.conf: %.conf.in + $(SED_PROCESS) + %.sh: %.sh.in $(SED_PROCESS) $(AM_V_GEN)chmod +x $@ diff --git a/configure.ac b/configure.ac index ead697b84c..318d77b302 100644 --- a/configure.ac +++ b/configure.ac @@ -827,6 +827,15 @@ if test "x$enable_timesyncd" != "xno"; then fi AM_CONDITIONAL(ENABLE_TIMESYNCD, [test "$have_timesyncd" = "yes"]) +AC_ARG_WITH(ntp-servers, + AS_HELP_STRING([--with-ntp-servers=NTPSERVERS], + [Space-separated list of default NTP servers]), + [NTP_SERVERS="$withval"], + [NTP_SERVERS="time1.google.com time2.google.com time3.google.com time4.google.com"]) + +AC_DEFINE_UNQUOTED(NTP_SERVERS, ["$NTP_SERVERS"], [Default NTP Servers]) +AC_SUBST(NTP_SERVERS) + # ------------------------------------------------------------------------------ have_localed=no AC_ARG_ENABLE(localed, AS_HELP_STRING([--disable-localed], [disable locale daemon])) @@ -1159,6 +1168,7 @@ AC_MSG_RESULT([ hostnamed: ${have_hostnamed} timedated: ${have_timedated} timesyncd: ${have_timesyncd} + default NTP servers: ${NTP_SERVERS} localed: ${have_localed} networkd: ${have_networkd} coredump: ${have_coredump} diff --git a/src/timesync/.gitignore b/src/timesync/.gitignore new file mode 100644 index 0000000000..35f4d76f79 --- /dev/null +++ b/src/timesync/.gitignore @@ -0,0 +1,2 @@ +/timesyncd.conf +/timesyncd-gperf.c diff --git a/src/timesync/Makefile b/src/timesync/Makefile new file mode 120000 index 0000000000..d0b0e8e008 --- /dev/null +++ b/src/timesync/Makefile @@ -0,0 +1 @@ +../Makefile
\ No newline at end of file diff --git a/src/timesync/timesyncd-gperf.gperf b/src/timesync/timesyncd-gperf.gperf new file mode 100644 index 0000000000..887dc68b50 --- /dev/null +++ b/src/timesync/timesyncd-gperf.gperf @@ -0,0 +1,17 @@ +%{ +#include <stddef.h> +#include "conf-parser.h" +#include "timesyncd.h" +%} +struct ConfigPerfItem; +%null_strings +%language=ANSI-C +%define slot-name section_and_lvalue +%define hash-function-name timesyncdd_gperf_hash +%define lookup-function-name timesyncd_gperf_lookup +%readonly-tables +%omit-struct-type +%struct-type +%includes +%% +Time.Servers, config_parse_servers, 0, 0 diff --git a/src/timesync/timesyncd.c b/src/timesync/timesyncd.c index f2206cc2ac..6e38a2cb89 100644 --- a/src/timesync/timesyncd.c +++ b/src/timesync/timesyncd.c @@ -3,7 +3,7 @@ /*** This file is part of systemd. - Copyright 2014 Kay Sievers + Copyright 2014 Kay Sievers, Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -42,9 +42,11 @@ #include "list.h" #include "ratelimit.h" #include "strv.h" +#include "conf-parser.h" #include "sd-event.h" #include "sd-resolve.h" #include "sd-daemon.h" +#include "timesyncd.h" #define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1) @@ -116,73 +118,6 @@ struct ntp_msg { struct ntp_ts trans_time; } _packed_; -typedef struct Manager Manager; -typedef struct ServerAddress ServerAddress; -typedef struct ServerName ServerName; - -struct ServerAddress { - union sockaddr_union sockaddr; - socklen_t socklen; - LIST_FIELDS(ServerAddress, addresses); -}; - -struct ServerName { - char *string; - LIST_HEAD(ServerAddress, addresses); - LIST_FIELDS(ServerName, names); -}; - -struct Manager { - sd_event *event; - sd_resolve *resolve; - - LIST_HEAD(ServerName, servers); - - RateLimit ratelimit; - - /* peer */ - sd_resolve_query *resolve_query; - sd_event_source *event_receive; - ServerName *current_server_name; - ServerAddress *current_server_address; - int server_socket; - uint64_t packet_count; - sd_event_source *event_timeout; - - /* last sent packet */ - struct timespec trans_time_mon; - struct timespec trans_time; - usec_t retry_interval; - bool pending; - - /* poll timer */ - sd_event_source *event_timer; - usec_t poll_interval_usec; - bool poll_resync; - - /* history data */ - struct { - double offset; - double delay; - } samples[8]; - unsigned int samples_idx; - double samples_jitter; - - /* last change */ - bool jumped; - int drift_ppm; - - /* watch for time changes */ - sd_event_source *event_clock_watch; - int clock_watch_fd; - - /* Retry connections */ - sd_event_source *event_retry; - - /* Handle SIGINT/SIGTERM */ - sd_event_source *sigterm, *sigint; -}; - static void manager_free(Manager *m); DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); #define _cleanup_manager_free_ _cleanup_(manager_freep) @@ -974,6 +909,28 @@ static int manager_add_server(Manager *m, const char *server) { return 0; } +static int manager_add_server_string(Manager *m, const char *string) { + char *w, *state; + size_t l; + int r; + + assert(m); + assert(string); + + FOREACH_WORD_QUOTED(w, l, string, state) { + char t[l+1]; + + memcpy(t, w, l); + t[l] = 0; + + r = manager_add_server(m, t); + if (r < 0) + log_error("Failed to add server %s to configuration, ignoring: %s", t, strerror(-r)); + } + + return 0; +} + static void manager_disconnect(Manager *m) { assert(m); @@ -1047,15 +1004,70 @@ static void manager_free(Manager *m) { free(m); } +int config_parse_servers( + const char *unit, + const char *filename, + unsigned line, + const char *section, + unsigned section_line, + const char *lvalue, + int ltype, + const char *rvalue, + void *data, + void *userdata) { + + Manager *m = userdata; + + assert(filename); + assert(lvalue); + assert(rvalue); + + manager_flush_names(m); + manager_add_server_string(m, rvalue); + + return 0; +} + +static int manager_parse_config_file(Manager *m) { + static const char fn[] = "/etc/systemd/timesyncd.conf"; + _cleanup_fclose_ FILE *f = NULL; + int r; + + assert(m); + + f = fopen(fn, "re"); + if (!f) { + if (errno == ENOENT) + return 0; + + log_warning("Failed to open configuration file %s: %m", fn); + return -errno; + } + + r = config_parse(NULL, fn, f, "Time\0", config_item_perf_lookup, + (void*) timesyncd_gperf_lookup, false, false, m); + if (r < 0) + log_warning("Failed to parse configuration file: %s", strerror(-r)); + + return r; +} + int main(int argc, char *argv[]) { _cleanup_manager_free_ Manager *m = NULL; - const char *x; int r; + if (argc > 1) { + log_error("This program does not take arguments."); + return EXIT_FAILURE; + } + log_set_target(LOG_TARGET_AUTO); + log_set_facility(LOG_CRON); log_parse_environment(); log_open(); + umask(0022); + assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0); r = manager_new(&m); @@ -1064,15 +1076,11 @@ int main(int argc, char *argv[]) { goto out; } - sd_notify(false, "READY=1"); + manager_add_server_string(m, NTP_SERVERS); + manager_parse_config_file(m); - FOREACH_STRING(x, "8.8.8.8", "172.31.0.1", "time1.google.com", "time2.google.com", "time3.google.com", "time4.google.com", "0.fedora.pool.ntp.org") { - r = manager_add_server(m, x); - if (r < 0) { - log_error("Failed to add server %s: %s", x, strerror(-r)); - goto out; - } - } + log_debug("systemd-timesyncd running as pid %lu", (unsigned long) getpid()); + sd_notify(false, "READY=1"); r = manager_connect(m); if (r < 0) @@ -1087,5 +1095,7 @@ int main(int argc, char *argv[]) { sd_event_get_exit_code(m->event, &r); out: + sd_notify(false, "STATUS=Shutting down..."); + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; } diff --git a/src/timesync/timesyncd.conf.in b/src/timesync/timesyncd.conf.in new file mode 100644 index 0000000000..a0caa1d40d --- /dev/null +++ b/src/timesync/timesyncd.conf.in @@ -0,0 +1,11 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# See timesyncd.conf(5) for details + +[Time] +#Servers=@NTP_SERVERS@ diff --git a/src/timesync/timesyncd.h b/src/timesync/timesyncd.h new file mode 100644 index 0000000000..6dd1388ea8 --- /dev/null +++ b/src/timesync/timesyncd.h @@ -0,0 +1,97 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2014 Kay Sievers, Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include "list.h" +#include "socket-util.h" +#include "ratelimit.h" +#include "sd-event.h" +#include "sd-resolve.h" + +typedef struct Manager Manager; +typedef struct ServerAddress ServerAddress; +typedef struct ServerName ServerName; + +struct ServerAddress { + union sockaddr_union sockaddr; + socklen_t socklen; + LIST_FIELDS(ServerAddress, addresses); +}; + +struct ServerName { + char *string; + LIST_HEAD(ServerAddress, addresses); + LIST_FIELDS(ServerName, names); +}; + +struct Manager { + sd_event *event; + sd_resolve *resolve; + + LIST_HEAD(ServerName, servers); + + RateLimit ratelimit; + + /* peer */ + sd_resolve_query *resolve_query; + sd_event_source *event_receive; + ServerName *current_server_name; + ServerAddress *current_server_address; + int server_socket; + uint64_t packet_count; + sd_event_source *event_timeout; + + /* last sent packet */ + struct timespec trans_time_mon; + struct timespec trans_time; + usec_t retry_interval; + bool pending; + + /* poll timer */ + sd_event_source *event_timer; + usec_t poll_interval_usec; + bool poll_resync; + + /* history data */ + struct { + double offset; + double delay; + } samples[8]; + unsigned int samples_idx; + double samples_jitter; + + /* last change */ + bool jumped; + int drift_ppm; + + /* watch for time changes */ + sd_event_source *event_clock_watch; + int clock_watch_fd; + + /* Retry connections */ + sd_event_source *event_retry; + + /* Handle SIGINT/SIGTERM */ + sd_event_source *sigterm, *sigint; +}; + +const struct ConfigPerfItem* timesyncd_gperf_lookup(const char *key, unsigned length); + +int config_parse_servers(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); |