133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/***
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This file is part of systemd.
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Copyright 2014 Kay Sievers, Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "alloc-util.h"
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#include "def.h"
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#include "extract-word.h"
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#include "string-util.h"
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#include "timesyncd-conf.h"
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#include "timesyncd-manager.h"
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#include "timesyncd-server.h"
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int manager_parse_server_string(Manager *m, ServerType type, const char *string) {
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ServerName *first;
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int r;
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assert(m);
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assert(string);
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first = type == SERVER_FALLBACK ? m->fallback_servers : m->system_servers;
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if (type == SERVER_FALLBACK)
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m->have_fallbacks = true;
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for (;;) {
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_cleanup_free_ char *word = NULL;
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bool found = false;
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ServerName *n;
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r = extract_first_word(&string, &word, NULL, 0);
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if (r < 0)
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return log_error_errno(r, "Failed to parse timesyncd server syntax \"%s\": %m", string);
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if (r == 0)
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break;
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/* Filter out duplicates */
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LIST_FOREACH(names, n, first)
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if (streq_ptr(n->string, word)) {
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found = true;
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break;
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}
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if (found)
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continue;
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r = server_name_new(m, NULL, type, word);
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if (r < 0)
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return r;
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}
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return 0;
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}
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int manager_parse_fallback_string(Manager *m, const char *string) {
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if (m->have_fallbacks)
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return 0;
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return manager_parse_server_string(m, SERVER_FALLBACK, string);
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}
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int config_parse_servers(
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const char *unit,
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const char *filename,
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unsigned line,
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const char *section,
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unsigned section_line,
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const char *lvalue,
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int ltype,
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const char *rvalue,
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void *data,
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void *userdata) {
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Manager *m = userdata;
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int r;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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if (isempty(rvalue))
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manager_flush_server_names(m, ltype);
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else {
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r = manager_parse_server_string(m, ltype, rvalue);
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if (r < 0) {
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log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse NTP server string '%s'. Ignoring.", rvalue);
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return 0;
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}
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}
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return 0;
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}
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int manager_parse_config_file(Manager *m) {
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int r;
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assert(m);
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r = config_parse_many_nulstr(PKGSYSCONFDIR "/timesyncd.conf",
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CONF_PATHS_NULSTR("systemd/timesyncd.conf.d"),
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"Time\0",
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config_item_perf_lookup, timesyncd_gperf_lookup,
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CONFIG_PARSE_WARN, m);
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if (r < 0)
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return r;
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if (m->poll_interval_min_usec < 16 * USEC_PER_SEC) {
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log_warning("Invalid PollIntervalMinSec=. Using default value.");
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m->poll_interval_min_usec = NTP_POLL_INTERVAL_MIN_USEC;
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}
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if (m->poll_interval_max_usec < m->poll_interval_min_usec) {
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log_warning("PollIntervalMaxSec= is smaller than PollIntervalMinSec=. Using default value.");
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m->poll_interval_max_usec = MAX(NTP_POLL_INTERVAL_MAX_USEC, m->poll_interval_min_usec * 32);
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}
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return r;
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}
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