journald-server.c revision 15d91bff36c61d38df8edff258d1702a017a0e66
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek/***
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek This file is part of systemd.
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Copyright 2011 Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek systemd is free software; you can redistribute it and/or modify it
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek under the terms of the GNU Lesser General Public License as published by
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek the Free Software Foundation; either version 2.1 of the License, or
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (at your option) any later version.
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek systemd is distributed in the hope that it will be useful, but
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek WITHOUT ANY WARRANTY; without even the implied warranty of
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Lesser General Public License for more details.
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek You should have received a copy of the GNU Lesser General Public License
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek along with systemd; If not, see <http://www.gnu.org/licenses/>.
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek***/
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <sys/signalfd.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <sys/ioctl.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <linux/sockios.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <sys/statvfs.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <sys/mman.h>
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <selinux/selinux.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering#include <libudev.h>
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering
a5c32cff1f56afe6f0c6c70d91a88a7a8238b2d7Harald Hoyer#include "sd-journal.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "sd-messages.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "sd-daemon.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "mkdir.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "rm-rf.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "hashmap.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-file.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "socket-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "cgroup-util.h"
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering#include "missing.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "conf-parser.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "selinux-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "acl-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "formats-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "process-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "hostname-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "signal-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-internal.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-vacuum.h"
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering#include "journal-authenticate.h"
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering#include "journald-rate-limit.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-kmsg.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-syslog.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-stream.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-native.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-audit.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-server.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define USER_JOURNALS_MAX 1024
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define DEFAULT_SYNC_INTERVAL_USEC (5*USEC_PER_MINUTE)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define DEFAULT_RATE_LIMIT_INTERVAL (30*USEC_PER_SEC)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define DEFAULT_RATE_LIMIT_BURST 1000
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define DEFAULT_MAX_FILE_USEC USEC_PER_MONTH
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
7f1ad696a273703789b624fe0b209fb63e953016Lennart Poettering#define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)
7f1ad696a273703789b624fe0b209fb63e953016Lennart Poettering
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewiczstatic const char* const storage_table[_STORAGE_MAX] = {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_AUTO] = "auto",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_VOLATILE] = "volatile",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_PERSISTENT] = "persistent",
2c5859afecee81e345fc9526b1083bf79990ffb8Daniel Mack [STORAGE_NONE] = "none"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek};
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-SzmekDEFINE_STRING_TABLE_LOOKUP(storage, Storage);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-SzmekDEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic const char* const split_mode_table[_SPLIT_MAX] = {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_LOGIN] = "login",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_UID] = "uid",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_NONE] = "none",
2c5859afecee81e345fc9526b1083bf79990ffb8Daniel Mack};
2c5859afecee81e345fc9526b1083bf79990ffb8Daniel Mack
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-SzmekDEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);
2c5859afecee81e345fc9526b1083bf79990ffb8Daniel MackDEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic uint64_t available_space(Server *s, bool verbose) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char ids[33];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek _cleanup_free_ char *p = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek struct statvfs ss;
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek uint64_t sum = 0, ss_avail = 0, avail = 0;
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek _cleanup_closedir_ DIR *d = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek usec_t ts;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek const char *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalMetrics *m;
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ts = now(CLOCK_MONOTONIC);
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek && !verbose)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->cached_available_space;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = "/var/log/journal/";
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek m = &s->system_metrics;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = "/run/log/journal/";
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek m = &s->runtime_metrics;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek p = strappend(f, sd_id128_to_string(machine, ids));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!p)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek d = opendir(p);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!d)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (fstatvfs(dirfd(d), &ss) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (;;) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct stat st;
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek struct dirent *de;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek errno = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek de = readdir(d);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!de && errno != 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
0371ca0dac1d70b2e5060a3c4e6fbbc2bdbd8671Florian Weimer
0371ca0dac1d70b2e5060a3c4e6fbbc2bdbd8671Florian Weimer if (!de)
0371ca0dac1d70b2e5060a3c4e6fbbc2bdbd8671Florian Weimer break;
0371ca0dac1d70b2e5060a3c4e6fbbc2bdbd8671Florian Weimer
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!endswith(de->d_name, ".journal") &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek !endswith(de->d_name, ".journal~"))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek continue;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek continue;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!S_ISREG(st.st_mode))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek continue;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sum += (uint64_t) st.st_blocks * 512UL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ss_avail = ss.f_bsize * ss.f_bavail;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* If we reached a high mark, we will always allow this much
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * again, unless usage goes above max_use. This watermark
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * value is cached so that we don't give up space on pressure,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * but hover below the maximum usage. */
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek if (m->use < sum)
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek m->use = sum;
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek avail = LESS_BY(ss_avail, m->keep_free);
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek s->cached_available_space = LESS_BY(MIN(m->max_use, avail), sum);
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = ts;
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek if (verbose) {
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek char fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek "%s is currently using %s.\n"
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek "Maximum allowed usage is set to %s.\n"
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek "Leaving at least %s free (of currently available %s of space).\n"
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek "Enforced usage limit is thus %s.",
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek s->system_journal ? "Permanent journal (/var/log/journal/)" : "Runtime journal (/run/log/journal/)",
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek format_bytes(fb1, sizeof(fb1), sum),
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb2, sizeof(fb2), m->max_use),
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb3, sizeof(fb3), m->keep_free),
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb4, sizeof(fb4), ss_avail),
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb5, sizeof(fb5), s->cached_available_space + sum));
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek }
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek return s->cached_available_space;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek}
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_fix_perms(Server *s, JournalFile *f, uid_t uid) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_t acl;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_entry_t entry;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_permset_t permset;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = fchmod(f->fd, 0640);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
4608af4333d0f7f5f8e3bc632801b04ef07d246dLennart Poettering log_warning_errno(r, "Failed to fix access mode on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt#ifdef HAVE_ACL
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (uid <= SYSTEM_UID_MAX)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
34c10968cbe3b5591b3c0ce225b8694edd9709d0Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl = acl_get_fd(f->fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!acl) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to read ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = acl_find_uid(acl, uid, &entry);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r <= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (acl_create_entry(&acl, &entry) < 0 ||
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_set_tag_type(entry, ACL_USER) < 0 ||
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_set_qualifier(entry, &uid) < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* We do not recalculate the mask unconditionally here,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * so that the fchmod() mask above stays intact. */
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) if (acl_get_permset(entry, &permset) < 0 ||
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) acl_add_perm(permset, ACL_READ) < 0 ||
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek calc_acl_mask_if_needed(&acl) < 0) {
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) goto finish;
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (acl_set_fd(f->fd, acl) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to set ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidtfinish:
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl_free(acl);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic JournalFile* find_journal(Server *s, uid_t uid) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek _cleanup_free_ char *p = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
ed375bebf46c1251f4baa170b39ee93761dbdb19Zbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* We split up user logs only on /var, not on /run. If the
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * runtime file is open, we write to it exclusively, in order
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * to guarantee proper order as soon as we flush /run to
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * /var and close the runtime file. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->runtime_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (uid <= SYSTEM_UID_MAX)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
f7dc3ab9f43b67abcbd34062b9352ab42debec49Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = ordered_hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (f)
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt return f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-"UID_FMT".journal",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek SD_ID128_FORMAT_VAL(machine), uid) < 0)
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek return s->system_journal;
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek while (ordered_hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Too many open? Then let's close one */
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt f = ordered_hashmap_steal_first(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(f);
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_open_reliably(p, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
cbd671772c9ce053a7050ddd29de170eb9efac7eZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, f, uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = ordered_hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int do_rotate(
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Server *s,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering JournalFile **f,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char* name,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering bool seal,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering uint32_t uid) {
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering int r;
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering assert(s);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (!*f)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek return -EINVAL;
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek r = journal_file_rotate(f, s->compress, seal);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (r < 0)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (*f)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to rotate %s: %m", (*f)->path);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering log_error_errno(r, "Failed to create new %s journal: %m", name);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering server_fix_perms(s, *f, uid);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek return r;
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering}
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmekvoid server_rotate(Server *s) {
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek void *k;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Iterator i;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Rotating...");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek do_rotate(s, &s->runtime_journal, "runtime", false, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek do_rotate(s, &s->system_journal, "system", s->seal, 0);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = do_rotate(s, &f, "user", s->seal, PTR_TO_UINT32(k));
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt if (r >= 0)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek ordered_hashmap_replace(s->user_journals, k, f);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else if (!f)
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt /* Old file has been closed and deallocated */
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek ordered_hashmap_remove(s->user_journals, k);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek }
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_sync(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk void *k;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk Iterator i;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk int r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->system_journal) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = journal_file_set_offline(s->system_journal);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_error_errno(r, "Failed to sync system journal: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = journal_file_set_offline(f);
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_error_errno(r, "Failed to sync user journal: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_event_source) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_OFF);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error_errno(r, "Failed to disable sync timer source: %m");
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering s->sync_scheduled = false;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchukstatic void do_vacuum(
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk Server *s,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char *id,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering JournalFile *f,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char* path,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering JournalMetrics *metrics) {
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char *p;
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering int r;
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek if (!f)
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek return;
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek p = strjoina(path, id);
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek r = journal_directory_vacuum(p, metrics->max_use, s->max_retention_usec, &s->oldest_file_usec, false);
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering if (r < 0 && r != -ENOENT)
dbd2a83fbf051fc51bdca3aa7536c78479488c5bLennart Poettering log_error_errno(r, "Failed to vacuum %s: %m", p);
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek}
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmekvoid server_vacuum(Server *s) {
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek char ids[33];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Vacuuming...");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->oldest_file_usec = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to get machine ID: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_to_string(machine, ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek do_vacuum(s, ids, s->system_journal, "/var/log/journal/", &s->system_metrics);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek do_vacuum(s, ids, s->runtime_journal, "/run/log/journal/", &s->runtime_metrics);
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic void server_cache_machine_id(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t id;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering int r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_id128_get_machine(&id);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_to_string(id, stpcpy(s->machine_id_field, "_MACHINE_ID="));
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic void server_cache_boot_id(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_t id;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering int r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_id128_get_boot(&id);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_to_string(id, stpcpy(s->boot_id_field, "_BOOT_ID="));
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic void server_cache_hostname(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering _cleanup_free_ char *t = NULL;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering char *x;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering t = gethostname_malloc();
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!t)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering x = strappend("_HOSTNAME=", t);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!x)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering free(s->hostname_field);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->hostname_field = x;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic bool shall_try_append_again(JournalFile *f, int r) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
8531ae707d4d0203e83304d4af948b8169a5fce1Lennart Poettering /* -E2BIG Hit configured limit
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EFBIG Hit fs limit
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EDQUOT Quota limit hit
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -ENOSPC Disk full
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EIO I/O error of some kind (mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EHOSTDOWN Other machine
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering -EBUSY Unclean shutdown
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EPROTONOSUPPORT Unsupported feature
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EBADMSG Corrupted
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -ENODATA Truncated
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -ESHUTDOWN Already archived
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -EIDRM Journal file has been deleted */
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering if (r == -E2BIG || r == -EFBIG || r == -EDQUOT || r == -ENOSPC)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("%s: Allocation limit reached, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r == -EHOSTDOWN)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_info("%s: Journal file from other machine, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r == -EBUSY)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_info("%s: Unclean shutdown, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r == -EPROTONOSUPPORT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_info("%s: Unsupported feature, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r == -EBADMSG || r == -ENODATA || r == ESHUTDOWN)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("%s: Journal file corrupted, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r == -EIO)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("%s: IO error, rotating.", f->path);
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering else if (r == -EIDRM)
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering log_warning("%s: Journal file has been deleted, rotating.", f->path);
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering else
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering return false;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering bool vacuumed = false;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(iovec);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(n > 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = find_journal(s, uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (journal_file_rotate_suggested(f, s->max_file_usec)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_vacuum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek vacuumed = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = find_journal(s, uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_schedule_sync(s, priority);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return;
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (vacuumed || !shall_try_append_again(f, r)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to write entry (%d items, %zu bytes), ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek }
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek server_rotate(s);
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek server_vacuum(s);
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt f = find_journal(s, uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Retrying write.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_schedule_sync(s, priority);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic void dispatch_message_real(
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek Server *s,
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek struct iovec *iovec, unsigned n, unsigned m,
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek const struct ucred *ucred,
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek const struct timeval *tv,
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek const char *label, size_t label_len,
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek const char *unit_id,
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt int priority,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering pid_t object_pid) {
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)],
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)],
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)],
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek uid_t object_uid;
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering gid_t object_gid;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char *x;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char *t, *c;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering uid_t realuid = 0, owner = 0, journal_uid;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering bool owner_valid = false;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering#ifdef HAVE_AUDIT
d378991747d67fff1d4dc39e7fb2bc8f49f1b561Mirco Tischler char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)],
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek o_audit_session[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek o_audit_loginuid[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)];
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek uint32_t audit;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek uid_t loginuid;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering assert(s);
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering assert(iovec);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering assert(n > 0);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (ucred) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek realuid = ucred->uid;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(pid, "_PID="PID_FMT, ucred->pid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], pid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sprintf(uid, "_UID="UID_FMT, ucred->uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sprintf(gid, "_GID="GID_FMT, ucred->gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], gid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = get_process_comm(ucred->pid, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek x = strjoina("_COMM=", t);
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek free(t);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther r = get_process_exe(ucred->pid, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek x = strjoina("_EXE=", t);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther free(t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_cmdline(ucred->pid, 0, false, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("_CMDLINE=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_capeff(ucred->pid, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("_CAP_EFFECTIVE=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
9bdbc2e2ec523dbefe1c1c7e164b5544aff0b185Lukas Nykryn }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek#ifdef HAVE_AUDIT
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(ucred->pid, &audit);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden if (r >= 0) {
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden sprintf(audit_session, "_AUDIT_SESSION=%"PRIu32, audit);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden IOVEC_SET_STRING(iovec[n++], audit_session);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden }
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden r = audit_loginuid_from_pid(ucred->pid, &loginuid);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(audit_loginuid, "_AUDIT_LOGINUID="UID_FMT, loginuid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], audit_loginuid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
0a20e3c10761378869af7bbef2733e3ae879d0f1Holger Hans Peter Freyther#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek if (r >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering char *session = NULL;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek x = strjoina("_SYSTEMD_CGROUP=", c);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek r = cg_path_get_session(c, &t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (r >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek session = strjoina("_SYSTEMD_SESSION=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], session);
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering }
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (cg_path_get_owner_uid(c, &owner) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek owner_valid = true;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(owner_uid, "_SYSTEMD_OWNER_UID="UID_FMT, owner);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], owner_uid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (cg_path_get_unit(c, &t) >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering x = strjoina("_SYSTEMD_UNIT=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering } else if (unit_id && !session) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering x = strjoina("_SYSTEMD_UNIT=", unit_id);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (cg_path_get_user_unit(c, &t) >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering x = strjoina("_SYSTEMD_USER_UNIT=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek } else if (unit_id && session) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering x = strjoina("_SYSTEMD_USER_UNIT=", unit_id);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering if (cg_path_get_slice(c, &t) >= 0) {
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering x = strjoina("_SYSTEMD_SLICE=", t);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering free(t);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(c);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering } else if (unit_id) {
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering x = strjoina("_SYSTEMD_UNIT=", unit_id);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering#ifdef HAVE_SELINUX
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering if (mac_selinux_use()) {
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering if (label) {
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
2d43b190901902dbd98ccea77c1d1ddc9e2a9955Dan McGee } else {
2d43b190901902dbd98ccea77c1d1ddc9e2a9955Dan McGee security_context_t con;
2d43b190901902dbd98ccea77c1d1ddc9e2a9955Dan McGee
ef1673d16907726d83bdff2e57b5261997a85020Mirco Tischler if (getpidcon(ucred->pid, &con) >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek x = strjoina("_SELINUX_CONTEXT=", con);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
6baa7db00812437bbc87e73faa1a11b6cf631958Lennart Poettering freecon(con);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
f8294e4175918117ca6c131720bcf287eadcd029Josh Triplett }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering }
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering }
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering#endif
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering }
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering assert(n <= m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering if (object_pid) {
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering r = get_process_uid(object_pid, &object_uid);
e7ff4e7fe9f3abd2297e4ef7b95dcb2804e051c3Greg Kroah-Hartman if (r >= 0) {
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering sprintf(o_uid, "OBJECT_UID="UID_FMT, object_uid);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering IOVEC_SET_STRING(iovec[n++], o_uid);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = get_process_gid(object_pid, &object_gid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sprintf(o_gid, "OBJECT_GID="GID_FMT, object_gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_comm(object_pid, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_COMM=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_exe(object_pid, &t);
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_EXE=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_cmdline(object_pid, 0, false, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_CMDLINE=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek#ifdef HAVE_AUDIT
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(object_pid, &audit);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%"PRIu32, audit);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_session);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = audit_loginuid_from_pid(object_pid, &loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID="UID_FMT, loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek#endif
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = cg_pid_get_path_shifted(object_pid, s->cgroup_root, &c);
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_SYSTEMD_CGROUP=", c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = cg_path_get_session(c, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_SYSTEMD_SESSION=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering if (cg_path_get_owner_uid(c, &owner) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID="UID_FMT, owner);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_owner_uid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (cg_path_get_unit(c, &t) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_SYSTEMD_UNIT=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (cg_path_get_user_unit(c, &t) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strjoina("OBJECT_SYSTEMD_USER_UNIT=", t);
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering assert(n <= m);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering if (tv) {
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], source_time);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering /* Note that strictly speaking storing the boot id here is
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek * redundant since the entry includes this in-line
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek * anyway. However, we need this indexed, too. */
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (!isempty(s->boot_id_field))
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], s->boot_id_field);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!isempty(s->machine_id_field))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], s->machine_id_field);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
a569398925430de1f8479262e8ab39502054f2e9Lennart Poettering if (!isempty(s->hostname_field))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], s->hostname_field);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(n <= m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->split_mode == SPLIT_UID && realuid > 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering /* Split up strictly by any UID */
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering journal_uid = realuid;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (s->split_mode == SPLIT_LOGIN && realuid > 0 && owner_valid && owner > 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering /* Split up by login UIDs. We do this only if the
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering * realuid is not root, in order not to accidentally
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * leak privileged information to the user that is
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering * logged by a privileged process that is part of an
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering * unprivileged session. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_uid = owner;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_uid = 0;
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers
40adcda869bda55f44b57fd3a2bd71d006dfb51bLennart Poettering write_to_journal(s, journal_uid, iovec, n, priority);
759c945a43577d56e85a927f15e7d9aaa94a4e4aColin Walters}
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poetteringvoid server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering char mid[11 + 32 + 1];
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering char buffer[16 + LINE_MAX + 1];
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering struct iovec iovec[N_IOVEC_META_FIELDS + 4];
7517e17443225fafea86b21e42a36af69feb1dbcTorstein Husebø int n = 0;
8a0889dfdafa3054c894e54852d8a9e3a7e8390bLennart Poettering va_list ap;
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers struct ucred ucred = {};
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers
759c945a43577d56e85a927f15e7d9aaa94a4e4aColin Walters assert(s);
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering assert(format);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek memcpy(buffer, "MESSAGE=", 8);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek va_start(ap, format);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek vsnprintf(buffer + 8, sizeof(buffer) - 8, format, ap);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek va_end(ap);
b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], buffer);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!sd_id128_equal(message_id, SD_ID128_NULL)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], mid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.pid = getpid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.uid = getuid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.gid = getgid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_dispatch_message(
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Server *s,
e2cc6eca73cd1df8be552d7c23f9ff3d69c06f1eLennart Poettering struct iovec *iovec, unsigned n, unsigned m,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const struct ucred *ucred,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const struct timeval *tv,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const char *label, size_t label_len,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const char *unit_id,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int priority,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek pid_t object_pid) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int rl, r;
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering _cleanup_free_ char *path = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char *c;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(iovec || n == 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering if (n == 0)
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (LOG_PRI(priority) > s->max_level_store)
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek return;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Stop early in case the information will not be stored
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering * in a journal. */
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer if (s->storage == STORAGE_NONE)
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!ucred)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* example: /user/lennart/3/foobar
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * /system/dbus.service/foobar
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther *
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther * So let's cut of everything past the third /, since that is
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther * where user directories start */
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther c = strchr(path, '/');
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (c) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek c = strchr(c+1, '/');
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (c) {
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering c = strchr(c+1, '/');
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering if (c)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek *c = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek rl = journal_rate_limit_test(s->rate_limit, path,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek priority & LOG_PRIMASK, available_space(s, false));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (rl == 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Write a suppression message if we suppressed something */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (rl > 1)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek "Suppressed %u messages from %s", rl - 1, path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekfinish:
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int system_journal_open(Server *s, bool flush_requested) {
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char *fn;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char ids[33];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_error_errno(r, "Failed to get machine id: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering sd_id128_to_string(machine, ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->system_journal &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek (flush_requested
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek || access("/run/systemd/journal/flushed", F_OK) >= 0)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* If in auto mode: first try to create the machine
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * path, but not the prefix.
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek *
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * If in persistent mode: create /var/log/journal and
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt * the machine path */
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->storage == STORAGE_PERSISTENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir_p("/var/log/journal/", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fn = strjoina("/var/log/journal/", ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir(fn, 0755);
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek fn = strjoina(fn, "/system.journal");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->system_journal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r != -ENOENT && r != -EROFS)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning_errno(r, "Failed to open system journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->runtime_journal &&
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek (s->storage != STORAGE_NONE)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fn = strjoin("/run/log/journal/", ids, "/system.journal", NULL);
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (!fn)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn if (s->system_journal) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek /* Try to open the runtime journal, but only
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn * if it already exists, so that we can flush
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn * it into the system journal */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_open(fn, O_RDWR, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(fn);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r != -ENOENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning_errno(r, "Failed to open runtime journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* OK, we really need the runtime journal, so create
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * it if necessary. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir("/run/log", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir("/run/log/journal", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir_parents(fn, 0750);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(fn);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_error_errno(r, "Failed to open runtime journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->runtime_journal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering available_space(s, true);
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_flush_to_var(Server *s) {
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt sd_id128_t machine;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt sd_journal *j = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char ts[FORMAT_TIMESPAN_MAX];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek usec_t start;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek unsigned n = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (s->storage != STORAGE_AUTO &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->storage != STORAGE_PERSISTENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering system_journal_open(s, true);
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering if (!s->system_journal)
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Flushing to /var...");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek start = now(CLOCK_MONOTONIC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_error_errno(r, "Failed to read runtime journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_journal_set_data_threshold(j, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek SD_JOURNAL_FOREACH(j) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Object *o = NULL;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering JournalFile *f;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = j->current_file;
00a168618906bea43c3c57e20b9152582c324bf8Olivier Brunel assert(f && f->current_offset > 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n++;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Can't read entry: %m");
93b73b064c663d6248bebfbbbd82989b5ca10fc5Lennart Poettering goto finish;
93b73b064c663d6248bebfbbbd82989b5ca10fc5Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek continue;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!shall_try_append_again(s->system_journal, r)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Can't write entry: %m");
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering goto finish;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt server_vacuum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->system_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Retrying write.");
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error_errno(r, "Can't write entry: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poetteringfinish:
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering journal_file_post_change(s->system_journal);
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering journal_file_close(s->runtime_journal);
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering s->runtime_journal = NULL;
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) rm_rf("/run/log/journal", REMOVE_ROOT);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt sd_journal_close(j);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_driver_message(s, SD_ID128_NULL, "Time spent on flushing to /var is %s for %u entries.", format_timespan(ts, sizeof(ts), now(CLOCK_MONOTONIC) - start, 0), n);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Server *s = userdata;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct ucred *ucred = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct timeval *tv = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct cmsghdr *cmsg;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char *label = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek size_t label_len = 0, m;
763c7aa288485cf5ab627fe1d25ff58e76f9dacbZbigniew Jędrzejewski-Szmek struct iovec iovec;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ssize_t n;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering int *fds = NULL, v = 0;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering unsigned n_fds = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek union {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct cmsghdr cmsghdr;
8531ae707d4d0203e83304d4af948b8169a5fce1Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering /* We use NAME_MAX space for the SELinux label
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering * here. The kernel currently enforces no
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * limit, but according to suggestions from
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering * the SELinux people this will change and it
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering * will probably be identical to NAME_MAX. For
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering * now we use that, but this should be updated
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering * one day when the final limit is known. */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering CMSG_SPACE(sizeof(struct timeval)) +
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering CMSG_SPACE(sizeof(int)) + /* fd */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering CMSG_SPACE(NAME_MAX)]; /* selinux label */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering } control = {};
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering union sockaddr_union sa = {};
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering struct msghdr msghdr = {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering .msg_iov = &iovec,
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering .msg_iovlen = 1,
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering .msg_control = &control,
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering .msg_controllen = sizeof(control),
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering .msg_name = &sa,
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek .msg_namelen = sizeof(sa),
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek };
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek assert(s);
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek assert(fd == s->native_fd || fd == s->syslog_fd || fd == s->audit_fd);
bdd13f6be4b588568683a1ab54f421fc6a636dbbZbigniew Jędrzejewski-Szmek
7517e17443225fafea86b21e42a36af69feb1dbcTorstein Husebø if (revents != EPOLLIN) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error("Got invalid event from epoll for datagram fd: %"PRIx32, revents);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return -EIO;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering /* Try to get the right size, if we can. (Not all
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering * sockets support SIOCINQ, hence we just try, but
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering * don't rely on it. */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering (void) ioctl(fd, SIOCINQ, &v);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering /* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful! */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering m = PAGE_ALIGN(MAX3((size_t) v + 1,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering (size_t) LINE_MAX,
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering ALIGN(sizeof(struct nlmsghdr)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH)) + 1);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!GREEDY_REALLOC(s->buffer, s->buffer_size, m))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering iovec.iov_base = s->buffer;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering iovec.iov_len = s->buffer_size - 1; /* Leave room for trailing NUL we add later */
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (n < 0) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (errno == EINTR || errno == EAGAIN)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return log_error_errno(errno, "recvmsg() failed: %m");
7517e17443225fafea86b21e42a36af69feb1dbcTorstein Husebø }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering CMSG_FOREACH(cmsg, &msghdr) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (cmsg->cmsg_level == SOL_SOCKET &&
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering cmsg->cmsg_type == SCM_CREDENTIALS &&
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred = (struct ucred*) CMSG_DATA(cmsg);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering else if (cmsg->cmsg_level == SOL_SOCKET &&
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering cmsg->cmsg_type == SCM_SECURITY) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek label = (char*) CMSG_DATA(cmsg);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering label_len = cmsg->cmsg_len - CMSG_LEN(0);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering } else if (cmsg->cmsg_level == SOL_SOCKET &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek cmsg->cmsg_type == SO_TIMESTAMP &&
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek tv = (struct timeval*) CMSG_DATA(cmsg);
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt else if (cmsg->cmsg_level == SOL_SOCKET &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek cmsg->cmsg_type == SCM_RIGHTS) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fds = (int*) CMSG_DATA(cmsg);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering /* And a trailing NUL, just in case */
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering s->buffer[n] = 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (fd == s->syslog_fd) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (n > 0 && n_fds == 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering else if (n_fds > 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_warning("Got file descriptors via syslog socket. Ignoring.");
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering } else if (fd == s->native_fd) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (n > 0 && n_fds == 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering else if (n == 0 && n_fds == 1)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_process_native_file(s, fds[0], ucred, tv, label, label_len);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering else if (n_fds > 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_warning("Got too many file descriptors via native socket. Ignoring.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(fd == s->audit_fd);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (n > 0 && n_fds == 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_process_audit_message(s, s->buffer, n, ucred, &sa, msghdr.msg_namelen);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering else if (n_fds > 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_warning("Got file descriptors via audit socket. Ignoring.");
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_many(fds, n_fds);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering log_info("Received request to flush runtime journal from PID %"PRIu32, si->ssi_pid);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering server_flush_to_var(s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering server_sync(s);
0b97208d8c39131f8a7cfcfccb5c40b86af44ee5Lennart Poettering server_vacuum(s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering touch("/run/systemd/journal/flushed");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Server *s = userdata;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_info("Received request to rotate journal from PID %"PRIu32, si->ssi_pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_vacuum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
3bfd4e0c6341b0ef946d2198f089743fa99e0a97WaLyong Cho
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int dispatch_sigterm(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
74055aa76278232ff05574fc47c4e6b3560554a7Lennart Poettering Server *s = userdata;
74055aa76278232ff05574fc47c4e6b3560554a7Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_received_signal(LOG_INFO, si);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_exit(s->event, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int setup_signals(Server *s) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering int r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1) >= 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_event_add_signal(s->event, &s->sigusr2_event_source, SIGUSR2, dispatch_sigusr2, s);
4daf54a851e4fb7ed1a13c3117bba12528fd2c7fZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
6203e07a83214a55bb1f88508fcda2005c601deaLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_event_add_signal(s->event, &s->sigterm_event_source, SIGTERM, dispatch_sigterm, s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_proc_cmdline(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek _cleanup_free_ char *line = NULL;
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering const char *w, *state;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering size_t l;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering int r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = proc_cmdline(&line);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering FOREACH_WORD_QUOTED(w, l, line, state) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek _cleanup_free_ char *word;
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering word = strndup(w, l);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (!word)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (startswith(word, "systemd.journald.forward_to_syslog=")) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = parse_boolean(word + 35);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
a2a5291b3f5ab6ed4c92f51d0fd10a03047380d8Zbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_syslog = r;
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = parse_boolean(word + 33);
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering if (r < 0)
b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_kmsg = r;
b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering } else if (startswith(word, "systemd.journald.forward_to_console=")) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = parse_boolean(word + 36);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_console = r;
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.journald.forward_to_wall=")) {
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek r = parse_boolean(word + 33);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_wall = r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.journald"))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Invalid systemd.journald parameter. Ignoring.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* do not warn about state here, since probably systemd already did */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_config_file(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return config_parse_many("/etc/systemd/journald.conf",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek CONF_DIRS_NULSTR("systemd/journald.conf"),
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek "Journal\0",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek config_item_perf_lookup, journald_gperf_lookup,
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen false, s);
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen}
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensenstatic int server_dispatch_sync(sd_event_source *es, usec_t t, void *userdata) {
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen Server *s = userdata;
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_sync(s);
b2fadec6048adb3596f2633cb7fe7a49f5937a18Zbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_schedule_sync(Server *s, int priority) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett if (priority <= LOG_CRIT) {
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett /* Immediately sync to disk when this is of priority CRIT, ALERT, EMERG */
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett server_sync(s);
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett return 0;
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->sync_scheduled)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_interval_usec > 0) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk usec_t when;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_now(s->event, CLOCK_MONOTONIC, &when);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering when += s->sync_interval_usec;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (!s->sync_event_source) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = sd_event_add_time(
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->event,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering &s->sync_event_source,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering CLOCK_MONOTONIC,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering when, 0,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering server_dispatch_sync, s);
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering if (r < 0)
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering return r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = sd_event_source_set_priority(s->sync_event_source, SD_EVENT_PRIORITY_IMPORTANT);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk } else {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_time(s->sync_event_source, when);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
ca2670162464b98f44d3f30a1d8b47b02609784cMichał Bartoszkiewicz return r;
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_ONESHOT);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering s->sync_scheduled = true;
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering }
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering return 0;
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering}
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poetteringstatic int dispatch_hostname_change(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_cache_hostname(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int server_open_hostname(Server *s) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering int r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk assert(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->hostname_fd = open("/proc/sys/kernel/hostname", O_RDONLY|O_CLOEXEC|O_NDELAY|O_NOCTTY);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (s->hostname_fd < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return log_error_errno(errno, "Failed to open /proc/sys/kernel/hostname: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = sd_event_add_io(s->event, &s->hostname_event_source, s->hostname_fd, 0, dispatch_hostname_change, s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk /* kernels prior to 3.2 don't support polling this file. Ignore
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering * the failure. */
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r == -EPERM) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering log_warning("Failed to register hostname fd in event loop: %s. Ignoring.",
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering strerror(-r));
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->hostname_fd = safe_close(s->hostname_fd);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return 0;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering }
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return log_error_errno(r, "Failed to register hostname fd in event loop: %m");
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering }
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_event_source_set_priority(s->hostname_event_source, SD_EVENT_PRIORITY_IMPORTANT-10);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return log_error_errno(r, "Failed to adjust priority of host name event source: %m");
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt return 0;
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poetteringint server_init(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering _cleanup_fdset_free_ FDSet *fds = NULL;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner int n, r, fd;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner assert(s);
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner zero(*s);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = -1;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner s->compress = true;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner s->seal = true;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt s->sync_interval_usec = DEFAULT_SYNC_INTERVAL_USEC;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->sync_scheduled = false;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->rate_limit_interval = DEFAULT_RATE_LIMIT_INTERVAL;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST;
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->forward_to_wall = true;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->max_file_usec = DEFAULT_MAX_FILE_USEC;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->max_level_store = LOG_DEBUG;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->max_level_syslog = LOG_DEBUG;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->max_level_kmsg = LOG_NOTICE;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->max_level_console = LOG_INFO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->max_level_wall = LOG_EMERG;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering memset(&s->system_metrics, 0xFF, sizeof(s->system_metrics));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek memset(&s->runtime_metrics, 0xFF, sizeof(s->runtime_metrics));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_parse_config_file(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk server_parse_proc_cmdline(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_debug("Setting both rate limit interval and burst from "USEC_FMT",%u to 0,0",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->rate_limit_interval, s->rate_limit_burst);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->rate_limit_interval = s->rate_limit_burst = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek mkdir_p("/run/systemd/journal", 0755);
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewicz
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewicz s->user_journals = ordered_hashmap_new(NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->user_journals)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->mmap = mmap_cache_new();
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen if (!s->mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_event_default(&s->event);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_error_errno(r, "Failed to create event loop: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek sd_event_set_watchdog(s->event, true);
b1389b0d0805392570085acc7cb10eafcf885405Zbigniew Jędrzejewski-Szmek
b1389b0d0805392570085acc7cb10eafcf885405Zbigniew Jędrzejewski-Szmek n = sd_listen_fds(true);
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek if (n < 0)
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/socket", 0) > 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->native_fd >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Too many native sockets passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->native_fd = fd;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt } else if (sd_is_socket_unix(fd, SOCK_STREAM, 1, "/run/systemd/journal/stdout", 0) > 0) {
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->stdout_fd >= 0) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error("Too many stdout sockets passed.");
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt s->stdout_fd = fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/dev/log", 0) > 0 ||
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/dev-log", 0) > 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->syslog_fd >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Too many /dev/log sockets passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->syslog_fd = fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->audit_fd >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Too many audit sockets passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->audit_fd = fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
03ee5c38cb0da193dd08733fb4c0c2809cee6a99Lennart Poettering
03ee5c38cb0da193dd08733fb4c0c2809cee6a99Lennart Poettering if (!fds) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fds = fdset_new();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!fds)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = fdset_put(fds, fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering /* Try to restore streams, but don't bother if this fails */
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering (void) server_restore_streams(s, fds);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (fdset_size(fds) > 0) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering log_warning("%u unknown file descriptors passed, closing.", fdset_size(fds));
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering fds = fdset_free(fds);
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering }
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering r = server_open_stdout_socket(s);
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering if (r < 0)
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering return r;
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering r = server_open_syslog_socket(s);
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering if (r < 0)
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering return r;
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_native_socket(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_dev_kmsg(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_audit(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_kernel_seqnum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_hostname(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return r;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering r = setup_signals(s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->udev = udev_new();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->udev)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return -ENOMEM;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->rate_limit = journal_rate_limit_new(s->rate_limit_interval, s->rate_limit_burst);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!s->rate_limit)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = cg_get_root_path(&s->cgroup_root);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_cache_hostname(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_cache_boot_id(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_cache_machine_id(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = system_journal_open(s, false);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering return r;
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering return 0;
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringvoid server_maybe_append_tags(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering#ifdef HAVE_GCRYPT
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering JournalFile *f;
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek Iterator i;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek usec_t n;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = now(CLOCK_REALTIME);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_maybe_append_tag(s->system_journal, n);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ORDERED_HASHMAP_FOREACH(f, s->user_journals, i)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_maybe_append_tag(f, n);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_done(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek while (s->stdout_streams)
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt stdout_stream_free(s->stdout_streams);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(s->system_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(s->runtime_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek while ((f = ordered_hashmap_steal_first(s->user_journals)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ordered_hashmap_free(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->syslog_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->native_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->stdout_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->dev_kmsg_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->audit_event_source);
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt sd_event_source_unref(s->sync_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->sigusr1_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->sigusr2_event_source);
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt sd_event_source_unref(s->sigterm_event_source);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_event_source_unref(s->sigint_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->hostname_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_unref(s->event);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering safe_close(s->syslog_fd);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering safe_close(s->native_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering safe_close(s->stdout_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering safe_close(s->dev_kmsg_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering safe_close(s->audit_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering safe_close(s->hostname_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (s->rate_limit)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering journal_rate_limit_free(s->rate_limit);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering if (s->kernel_seqnum)
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering munmap(s->kernel_seqnum, sizeof(uint64_t));
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering free(s->buffer);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering free(s->tty_path);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering free(s->cgroup_root);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering free(s->hostname_field);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek mmap_cache_unref(s->mmap);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->udev)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek udev_unref(s->udev);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek