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-rw-r--r--src/timesync/timesyncd-conf.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/timesync/timesyncd-conf.c b/src/timesync/timesyncd-conf.c
new file mode 100644
index 0000000..a26c2da
--- /dev/null
+++ b/src/timesync/timesyncd-conf.c
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "alloc-util.h"
+#include "def.h"
+#include "dns-domain.h"
+#include "extract-word.h"
+#include "string-util.h"
+#include "timesyncd-conf.h"
+#include "timesyncd-manager.h"
+#include "timesyncd-server.h"
+
+int manager_parse_server_string(Manager *m, ServerType type, const char *string) {
+ ServerName *first;
+ int r;
+
+ assert(m);
+ assert(string);
+
+ first = type == SERVER_FALLBACK ? m->fallback_servers : m->system_servers;
+
+ if (type == SERVER_FALLBACK)
+ m->have_fallbacks = true;
+
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+ bool found = false;
+ ServerName *n;
+
+ r = extract_first_word(&string, &word, NULL, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse timesyncd server syntax \"%s\": %m", string);
+ if (r == 0)
+ break;
+
+ r = dns_name_is_valid_or_address(word);
+ if (r < 0)
+ return log_error_errno(r, "Failed to check validity of NTP server name or address '%s': %m", word);
+ if (r == 0) {
+ log_error("Invalid NTP server name or address, ignoring: %s", word);
+ continue;
+ }
+
+ /* Filter out duplicates */
+ LIST_FOREACH(names, n, first)
+ if (streq_ptr(n->string, word)) {
+ found = true;
+ break;
+ }
+
+ if (found)
+ continue;
+
+ r = server_name_new(m, NULL, type, word);
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+int manager_parse_fallback_string(Manager *m, const char *string) {
+ if (m->have_fallbacks)
+ return 0;
+
+ return manager_parse_server_string(m, SERVER_FALLBACK, string);
+}
+
+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;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ if (isempty(rvalue))
+ manager_flush_server_names(m, ltype);
+ else {
+ r = manager_parse_server_string(m, ltype, rvalue);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse NTP server string '%s'. Ignoring.", rvalue);
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+int manager_parse_config_file(Manager *m) {
+ int r;
+
+ assert(m);
+
+ r = config_parse_many_nulstr(PKGSYSCONFDIR "/timesyncd.conf",
+ CONF_PATHS_NULSTR("systemd/timesyncd.conf.d"),
+ "Time\0",
+ config_item_perf_lookup, timesyncd_gperf_lookup,
+ CONFIG_PARSE_WARN, m);
+ if (r < 0)
+ return r;
+
+ if (m->poll_interval_min_usec < 16 * USEC_PER_SEC) {
+ log_warning("Invalid PollIntervalMinSec=. Using default value.");
+ m->poll_interval_min_usec = NTP_POLL_INTERVAL_MIN_USEC;
+ }
+
+ if (m->poll_interval_max_usec < m->poll_interval_min_usec) {
+ log_warning("PollIntervalMaxSec= is smaller than PollIntervalMinSec=. Using default value.");
+ m->poll_interval_max_usec = MAX(NTP_POLL_INTERVAL_MAX_USEC, m->poll_interval_min_usec * 32);
+ }
+
+ return r;
+}