journald-server.c revision d07f7b9ef2835c290d6beadebd17d15308608eea
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#include <sys/timerfd.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <libudev.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <systemd/sd-journal.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <systemd/sd-messages.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <systemd/sd-daemon.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a5c32cff1f56afe6f0c6c70d91a88a7a8238b2d7Harald Hoyer#include "fileio.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "mkdir.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"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "list.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "virt.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "missing.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "conf-parser.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-internal.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-vacuum.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-authenticate.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-server.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#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-console.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-native.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <sys/acl.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <acl/libacl.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "acl-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include <selinux/selinux.h>
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define USER_JOURNALS_MAX 1024
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk#define DEFAULT_SYNC_INTERVAL_USEC (5*USEC_PER_MINUTE)
7f1ad696a273703789b624fe0b209fb63e953016Lennart Poettering#define DEFAULT_RATE_LIMIT_INTERVAL (30*USEC_PER_SEC)
7f1ad696a273703789b624fe0b209fb63e953016Lennart Poettering#define DEFAULT_RATE_LIMIT_BURST 1000
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic const char* const storage_table[] = {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_AUTO] = "auto",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_VOLATILE] = "volatile",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [STORAGE_PERSISTENT] = "persistent",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [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[] = {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_NONE] = "none",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_UID] = "uid",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek [SPLIT_LOGIN] = "login"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek};
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-SzmekDEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-SzmekDEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmekstatic uint64_t available_space(Server *s, bool verbose) {
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek char ids[33];
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *p = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct statvfs ss;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek uint64_t sum = 0, ss_avail = 0, avail = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_closedir_ DIR *d = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek usec_t ts;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek const char *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalMetrics *m;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ts = now(CLOCK_MONOTONIC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek && !verbose)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->cached_available_space;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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)
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (;;) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct stat st;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct dirent *de;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek union dirent_storage buf;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = readdir_r(d, &buf.de, &de);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r != 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek break;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!de)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek break;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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;
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek avail = ss_avail > m->keep_free ? ss_avail - m->keep_free : 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek s->cached_available_space = MIN(m->max_use, avail) > sum ? MIN(m->max_use, avail) - sum : 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = ts;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (verbose) {
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek char fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX];
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek "%s journal is using %s (max %s, leaving %s of free %s, current limit %s).",
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek s->system_journal ? "Permanent" : "Runtime",
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew 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), MIN(m->max_use, avail)));
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek }
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek return s->cached_available_space;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic void server_read_file_gid(Server *s) {
a24c64f03f9c5c0304451d8542fee853187a5168Lennart Poettering const char *g = "systemd-journal";
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->file_gid_valid)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a24c64f03f9c5c0304451d8542fee853187a5168Lennart Poettering r = get_group_creds(&g, &s->file_gid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
a24c64f03f9c5c0304451d8542fee853187a5168Lennart Poettering log_warning("Failed to resolve '%s' group: %s", g, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* if we couldn't read the gid, then it will be 0, but that's
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * fine and we shouldn't try to resolve the group again, so
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * let's just pretend it worked right-away. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->file_gid_valid = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 server_read_file_gid(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = fchmod_and_fchown(f->fd, 0640, 0, s->file_gid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to fix access mode/rights on %s, ignoring: %s", f->path, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (uid <= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl = acl_get_fd(f->fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!acl) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to read ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
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("Failed to patch ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) /* We do not recalculate the mask unconditionally here,
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) * so that the fchmod() mask above stays intact. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (acl_get_permset(entry, &permset) < 0 ||
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) acl_add_perm(permset, ACL_READ) < 0 ||
23ad4dd8844c582929115a11ed2830a1371568d6Jan Alexander Steffens (heftig) calc_acl_mask_if_needed(&acl) < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to patch ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (acl_set_fd(f->fd, acl) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to set ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekfinish:
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) {
ed375bebf46c1251f4baa170b39ee93761dbdb19Zbigniew Jędrzejewski-Szmek _cleanup_free_ char *p = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 <= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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 = hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-%lu.journal",
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek SD_ID128_FORMAT_VAL(machine), (unsigned long) uid) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek while (hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Too many open? Then let's close one */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = hashmap_steal_first(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
cbd671772c9ce053a7050ddd29de170eb9efac7eZbigniew 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)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 = hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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-Szmekvoid server_rotate(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 if (s->runtime_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_rotate(&s->runtime_journal, s->compress, false);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to create new runtime journal: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->runtime_journal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_rotate(&s->system_journal, s->compress, s->seal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to create new system journal: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->system_journal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_rotate(&f, s->compress, s->seal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
7d73c1343be02a59b17de0cd34375deeb815d89cLennart Poettering if (f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to rotate %s: %s", f->path, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to create user journal: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek hashmap_replace(s->user_journals, k, f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, f, PTR_TO_UINT32(k));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchukvoid server_sync(Server *s) {
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering static const struct itimerspec sync_timer_disable = {};
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk 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("Failed to sync system journal: %s", strerror(-r));
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = journal_file_set_offline(f);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_error("Failed to sync user journal: %s", strerror(-r));
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = timerfd_settime(s->sync_timer_fd, 0, &sync_timer_disable, NULL);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_error("Failed to disable max timer: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_scheduled = false;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_vacuum(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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("Failed to get machine ID: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_to_string(machine, ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal) {
ed375bebf46c1251f4baa170b39ee93761dbdb19Zbigniew Jędrzejewski-Szmek char *p = strappenda("/var/log/journal/", ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_directory_vacuum(p, s->system_metrics.max_use, s->system_metrics.keep_free, s->max_retention_usec, &s->oldest_file_usec);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to vacuum %s: %s", p, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->runtime_journal) {
ed375bebf46c1251f4baa170b39ee93761dbdb19Zbigniew Jędrzejewski-Szmek char *p = strappenda("/run/log/journal/", ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_directory_vacuum(p, s->runtime_metrics.max_use, s->runtime_metrics.keep_free, s->max_retention_usec, &s->oldest_file_usec);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to vacuum %s: %s", p, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekbool shall_try_append_again(JournalFile *f, int r) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* -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 -EHOSTDOWN Other machine
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek -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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return false;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poetteringstatic void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r >= 0) {
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering server_schedule_sync(s, priority);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (vacuumed || !shall_try_append_again(f, r)) {
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek size_t size = 0;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek unsigned i;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek for (i = 0; i < n; i++)
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek size += iovec[i].iov_len;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek log_error("Failed to write entry (%d items, %zu bytes), ignoring: %s", n, size, strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_vacuum(s);
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 log_debug("Retrying write.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek if (r < 0) {
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek size_t size = 0;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek unsigned i;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek for (i = 0; i < n; i++)
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek size += iovec[i].iov_len;
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek log_error("Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %s", n, size, strerror(-r));
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering } else
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering server_schedule_sync(s, priority);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic void dispatch_message_real(
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Server *s,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct iovec *iovec, unsigned n, unsigned m,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct ucred *ucred,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct timeval *tv,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const char *label, size_t label_len,
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek const char *unit_id,
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering int priority,
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek pid_t object_pid) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)],
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)],
d378991747d67fff1d4dc39e7fb2bc8f49f1b561Mirco Tischler source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)],
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering boot_id[sizeof("_BOOT_ID=") + 32] = "_BOOT_ID=",
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID=",
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)],
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)],
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek uid_t object_uid;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek gid_t object_gid;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char *x;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t id;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering char *t, *c;
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering uid_t realuid = 0, owner = 0, journal_uid;
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering bool owner_valid = false;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering#ifdef HAVE_AUDIT
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek 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)];
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering uint32_t audit;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering uid_t loginuid;
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(iovec);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(n > 0);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ucred) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek realuid = ucred->uid;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(pid, "_PID=%lu", (unsigned long) ucred->pid);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther IOVEC_SET_STRING(iovec[n++], pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(uid, "_UID=%lu", (unsigned long) ucred->uid);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther IOVEC_SET_STRING(iovec[n++], uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(gid, "_GID=%lu", (unsigned long) ucred->gid);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther 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) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_COMM=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = get_process_exe(ucred->pid, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_EXE=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
9bdbc2e2ec523dbefe1c1c7e164b5544aff0b185Lukas Nykryn r = get_process_cmdline(ucred->pid, 0, false, &t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_CMDLINE=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden IOVEC_SET_STRING(iovec[n++], x);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden }
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden r = get_process_capeff(ucred->pid, &t);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden if (r >= 0) {
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden x = strappenda("_CAP_EFFECTIVE=", t);
3a83211689bdf4ab617a4fb79e11980c50918123Shawn Landden free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
0a20e3c10761378869af7bbef2733e3ae879d0f1Holger Hans Peter Freyther#ifdef HAVE_AUDIT
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(ucred->pid, &audit);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (r >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(audit_session, "_AUDIT_SESSION=%lu", (unsigned long) audit);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], audit_session);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = audit_loginuid_from_pid(ucred->pid, &loginuid);
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering if (r >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(audit_loginuid, "_AUDIT_LOGINUID=%lu", (unsigned long) loginuid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], audit_loginuid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering r = cg_pid_get_path_shifted(ucred->pid, NULL, &c);
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char *session = NULL;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_CGROUP=", c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering r = cg_path_get_session(c, &t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (r >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering session = strappenda("_SYSTEMD_SESSION=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], session);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (cg_path_get_owner_uid(c, &owner) >= 0) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering owner_valid = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(owner_uid, "_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], owner_uid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering if (cg_path_get_unit(c, &t) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_UNIT=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering } else if (unit_id && !session) {
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering x = strappenda("_SYSTEMD_UNIT=", unit_id);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering if (cg_path_get_user_unit(c, &t) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_USER_UNIT=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering } else if (unit_id && session) {
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(c);
ef1673d16907726d83bdff2e57b5261997a85020Mirco Tischler }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (label) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek security_context_t con;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (getpidcon(ucred->pid, &con) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_SELINUX_CONTEXT=", con);
e7ff4e7fe9f3abd2297e4ef7b95dcb2804e051c3Greg Kroah-Hartman
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek freecon(con);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek assert(n <= m);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (object_pid) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_uid(object_pid, &object_uid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_uid, "OBJECT_UID=%lu", (unsigned long) object_uid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_uid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_gid(object_pid, &object_gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_gid, "OBJECT_GID=%lu", (unsigned long) 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) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("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);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("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 = strappenda("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=%lu", (unsigned long) 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=%lu", (unsigned long) 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, NULL, &c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("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) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_SESSION=", 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_owner_uid(c, &owner) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID=%lu", (unsigned long) 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 = strappenda("OBJECT_SYSTEMD_UNIT=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering if (cg_path_get_user_unit(c, &t) >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek assert(n <= m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (tv) {
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));
a569398925430de1f8479262e8ab39502054f2e9Lennart Poettering IOVEC_SET_STRING(iovec[n++], source_time);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Note that strictly speaking storing the boot id here is
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * redundant since the entry includes this in-line
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * anyway. However, we need this indexed, too. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_boot(&id);
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sd_id128_to_string(id, boot_id + strlen("_BOOT_ID="));
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering IOVEC_SET_STRING(iovec[n++], boot_id);
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&id);
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek sd_id128_to_string(id, machine_id + strlen("_MACHINE_ID="));
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering IOVEC_SET_STRING(iovec[n++], machine_id);
adb435bb70815461eeddf44dd5d6f1fc2ad9026dLennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek t = gethostname_malloc();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (t) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek x = strappenda("_HOSTNAME=", t);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(n <= m);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers if (s->split_mode == SPLIT_UID && realuid > 0)
40adcda869bda55f44b57fd3a2bd71d006dfb51bLennart Poettering /* Split up strictly by any UID */
759c945a43577d56e85a927f15e7d9aaa94a4e4aColin Walters journal_uid = realuid;
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering else if (s->split_mode == SPLIT_LOGIN && realuid > 0 && owner_valid && owner > 0)
40adcda869bda55f44b57fd3a2bd71d006dfb51bLennart Poettering /* Split up by login UIDs, this avoids creation of
40adcda869bda55f44b57fd3a2bd71d006dfb51bLennart Poettering * individual journals for system UIDs. We do this
40adcda869bda55f44b57fd3a2bd71d006dfb51bLennart Poettering * only if the realuid is not root, in order not to
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering * accidentally leak privileged information to the
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering * user that is logged by a privileged process that is
82499507b369fea3033a74c22813bf423301aef4Lennart Poettering * part of an unprivileged session.*/
8a0889dfdafa3054c894e54852d8a9e3a7e8390bLennart Poettering journal_uid = owner;
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers else
da4993920cdf5527b8528f0a483b54ab3cbc1971Kay Sievers journal_uid = 0;
759c945a43577d56e85a927f15e7d9aaa94a4e4aColin Walters
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering write_to_journal(s, journal_uid, iovec, n, priority);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char mid[11 + 32 + 1];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char buffer[16 + LINE_MAX + 1];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct iovec iovec[N_IOVEC_META_FIELDS + 4];
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int n = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek va_list ap;
b92bea5d2a9481de69bb627a7b442a9f58fca43dZbigniew Jędrzejewski-Szmek struct ucred ucred = {};
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char_array_0(buffer);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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), MESSAGE_ID(message_id));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char_array_0(mid);
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
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering 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,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct iovec *iovec, unsigned n, unsigned m,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct ucred *ucred,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct timeval *tv,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const char *label, size_t label_len,
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek const char *unit_id,
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek int priority,
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek pid_t object_pid) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering int rl, r;
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *path = NULL;
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek char *c;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(iovec || n == 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n == 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (LOG_PRI(priority) > s->max_level_store)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther /* Stop early in case the information will not be stored
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther * in a journal. */
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther if (s->storage == STORAGE_NONE)
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther return;
2f5df74a5ec135ab2baebf26af6f088e5b4b8205Holger Hans Peter Freyther
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!ucred)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering r = cg_pid_get_path_shifted(ucred->pid, NULL, &path);
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering 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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek *
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * So let's cut of everything past the third /, since that is
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * where user directories start */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek c = strchr(path, '/');
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (c) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek c = strchr(c+1, '/');
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (c) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek c = strchr(c+1, '/');
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (c)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek *c = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek rl = journal_rate_limit_test(s->rate_limit, path,
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek priority & LOG_PRIMASK, available_space(s, false));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew 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)
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek "Suppressed %u messages from %s", rl - 1, path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekfinish:
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int system_journal_open(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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
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 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) &&
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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * the machine path */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->storage == STORAGE_PERSISTENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir("/var/log/journal/", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek fn = strappenda("/var/log/journal/", ids);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir(fn, 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek fn = strappenda(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
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (r >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->system_journal, 0);
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn else if (r < 0) {
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn if (r != -ENOENT && r != -EROFS)
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn log_warning("Failed to open system journal: %s", strerror(-r));
e40ec7aec5e64cd0cfa5fc556d6a9747229b5794Zbigniew Jędrzejewski-Szmek
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn r = 0;
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->runtime_journal &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (s->storage != STORAGE_NONE)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek fn = strjoin("/run/log/journal/", ids, "/system.journal", NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!fn)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->system_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Try to open the runtime journal, but only
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * if it already exists, so that we can flush
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * 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("Failed to open runtime journal: %s", strerror(-r));
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_parents(fn, 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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 log_error("Failed to open runtime journal: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek if (s->runtime_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->runtime_journal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek available_space(s, true);
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_flush_to_var(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_journal *j = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek system_journal_open(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->system_journal)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Flushing to /var...");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to get machine id: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to read runtime journal: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
93b73b064c663d6248bebfbbbd82989b5ca10fc5Lennart Poettering sd_journal_set_data_threshold(j, 0);
93b73b064c663d6248bebfbbbd82989b5ca10fc5Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek SD_JOURNAL_FOREACH(j) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek Object *o = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = j->current_file;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(f && f->current_offset > 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Can't read entry: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
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("Can't write entry: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_vacuum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering if (!s->system_journal) {
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering r = -EIO;
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering goto finish;
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering }
253f59dff9c93ee1d2c33444b5715e42bc1c6889Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Retrying write.");
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 log_error("Can't write entry: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekfinish:
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_post_change(s->system_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(s->runtime_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->runtime_journal = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek rm_rf("/run/log/journal", false, true, false);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
763c7aa288485cf5ab627fe1d25ff58e76f9dacbZbigniew Jędrzejewski-Szmek sd_journal_close(j);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint process_event(Server *s, struct epoll_event *ev) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(ev);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->data.fd == s->signal_fd) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct signalfd_siginfo sfsi;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ssize_t n;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->events != EPOLLIN) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Got invalid event from epoll.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = read(s->signal_fd, &sfsi, sizeof(sfsi));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n != sizeof(sfsi)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (errno == EINTR || errno == EAGAIN)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (sfsi.ssi_signo == SIGUSR1) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek touch("/run/systemd/journal/flushed");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_flush_to_var(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk server_sync(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (sfsi.ssi_signo == SIGUSR2) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_vacuum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_info("Received SIG%s", signal_to_string(sfsi.ssi_signo));
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk } else if (ev->data.fd == s->sync_timer_fd) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk int r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk uint64_t t;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_debug("Got sync request from epoll.");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = read(ev->data.fd, (void *)&t, sizeof(t));
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 0;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk server_sync(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 1;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (ev->data.fd == s->dev_kmsg_fd) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->events != EPOLLIN) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Got invalid event from epoll.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_read_dev_kmsg(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (ev->data.fd == s->native_fd ||
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ev->data.fd == s->syslog_fd) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->events != EPOLLIN) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Got invalid event from epoll.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (;;) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct msghdr msghdr;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct iovec iovec;
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;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek union {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct cmsghdr cmsghdr;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* We use NAME_MAX space for the
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * SELinux label here. The kernel
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * currently enforces no limit, but
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * according to suggestions from the
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * SELinux people this will change and
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * it will probably be identical to
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * NAME_MAX. For now we use that, but
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * this should be updated one day when
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * the final limit is known.*/
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek CMSG_SPACE(sizeof(struct timeval)) +
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek CMSG_SPACE(sizeof(int)) + /* fd */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek CMSG_SPACE(NAME_MAX)]; /* selinux label */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } control;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ssize_t n;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int v;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int *fds = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek unsigned n_fds = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ioctl(ev->data.fd, SIOCINQ, &v) < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("SIOCINQ failed: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->buffer_size < (size_t) v) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek void *b;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek size_t l;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek l = MAX(LINE_MAX + (size_t) v, s->buffer_size * 2);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek b = realloc(s->buffer, l+1);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!b) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Couldn't increase buffer.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->buffer_size = l;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->buffer = b;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(iovec);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek iovec.iov_base = s->buffer;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek iovec.iov_len = s->buffer_size;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(control);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(msghdr);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek msghdr.msg_iov = &iovec;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek msghdr.msg_iovlen = 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek msghdr.msg_control = &control;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek msghdr.msg_controllen = sizeof(control);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = recvmsg(ev->data.fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (errno == EINTR || errno == EAGAIN)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("recvmsg() failed: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (cmsg->cmsg_level == SOL_SOCKET &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek cmsg->cmsg_type == SCM_CREDENTIALS &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred = (struct ucred*) CMSG_DATA(cmsg);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (cmsg->cmsg_level == SOL_SOCKET &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek cmsg->cmsg_type == SCM_SECURITY) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek label = (char*) CMSG_DATA(cmsg);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek label_len = cmsg->cmsg_len - CMSG_LEN(0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (cmsg->cmsg_level == SOL_SOCKET &&
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek cmsg->cmsg_type == SO_TIMESTAMP &&
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek tv = (struct timeval*) CMSG_DATA(cmsg);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->data.fd == s->syslog_fd) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek char *e;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n > 0 && n_fds == 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek e = memchr(s->buffer, '\n', n);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (e)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek *e = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->buffer[n] = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (n_fds > 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Got file descriptors via syslog socket. Ignoring.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n > 0 && n_fds == 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (n == 0 && n_fds == 1)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_process_native_file(s, fds[0], ucred, tv, label, label_len);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else if (n_fds > 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Got too many file descriptors via native socket. Ignoring.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_many(fds, n_fds);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (ev->data.fd == s->stdout_fd) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (ev->events != EPOLLIN) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Got invalid event from epoll.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek stdout_stream_new(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek StdoutStream *stream;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if ((ev->events|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Got invalid event from epoll.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EIO;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* If it is none of the well-known fds, it must be an
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * stdout stream fd. Note that this is a bit ugly here
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * (since we rely that none of the well-known fds
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * could be interpreted as pointer), but nonetheless
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * safe, since the well-known fds would never get an
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * fd > 4096, i.e. beyond the first memory page */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek stream = ev->data.ptr;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (stdout_stream_process(stream) <= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek stdout_stream_free(stream);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Unknown event.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int open_signalfd(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sigset_t mask;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct epoll_event ev;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert_se(sigemptyset(&mask) == 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->signal_fd < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("signalfd(): %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(ev);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ev.events = EPOLLIN;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ev.data.fd = s->signal_fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->signal_fd, &ev) < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("epoll_ctl(): %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_proc_cmdline(Server *s) {
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *line = NULL;
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek char *w, *state;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek size_t l;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (detect_container(NULL) > 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = read_one_line_file("/proc/cmdline", &line);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek FOREACH_WORD_QUOTED(w, l, line, state) {
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *word;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek word = strndup(w, l);
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek if (!word)
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew 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)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_syslog = r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = parse_boolean(word + 33);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek else
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_kmsg = r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.journald.forward_to_console=")) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = parse_boolean(word + 36);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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;
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
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_config_file(Server *s) {
db5c0122853a9ecf1cc92e6593461932df2fa866Lennart Poettering static const char fn[] = "/etc/systemd/journald.conf";
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_fclose_ FILE *f = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek f = fopen(fn, "re");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!f) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (errno == ENOENT)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to open configuration file %s: %m", fn);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e8e581bf256b8c0fbd430935af79fa0e8ee570a1Zbigniew Jędrzejewski-Szmek r = config_parse(NULL, fn, f, "Journal\0", config_item_perf_lookup,
db5c0122853a9ecf1cc92e6593461932df2fa866Lennart Poettering (void*) journald_gperf_lookup, false, false, s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Failed to parse configuration file: %s", strerror(-r));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchukstatic int server_open_sync_timer(Server *s) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk int r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk struct epoll_event ev;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk assert(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_timer_fd < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return -errno;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk zero(ev);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk ev.events = EPOLLIN;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk ev.data.fd = s->sync_timer_fd;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->sync_timer_fd, &ev);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk log_error("Failed to add idle timer fd to epoll object: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return -errno;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 0;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poetteringint server_schedule_sync(Server *s, int priority) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk int r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk assert(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering if (priority <= LOG_CRIT) {
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering /* Immediately sync to disk when this is of priority CRIT, ALERT, EMERG */
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering server_sync(s);
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering return 0;
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering }
d07f7b9ef2835c290d6beadebd17d15308608eeaLennart Poettering
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_scheduled)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 0;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_interval_usec) {
ca2670162464b98f44d3f30a1d8b47b02609784cMichał Bartoszkiewicz struct itimerspec sync_timer_enable = {};
ca2670162464b98f44d3f30a1d8b47b02609784cMichał Bartoszkiewicz
ca2670162464b98f44d3f30a1d8b47b02609784cMichał Bartoszkiewicz timespec_store(&sync_timer_enable.it_value, s->sync_interval_usec);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = timerfd_settime(s->sync_timer_fd, 0, &sync_timer_enable, NULL);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return -errno;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_scheduled = true;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 0;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_init(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int n, r, fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(*s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_timer_fd = s->syslog_fd = s->native_fd = s->stdout_fd =
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek s->signal_fd = s->epoll_fd = s->dev_kmsg_fd = -1;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->compress = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->seal = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_interval_usec = DEFAULT_SYNC_INTERVAL_USEC;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_scheduled = false;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->rate_limit_interval = DEFAULT_RATE_LIMIT_INTERVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->forward_to_syslog = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_parse_proc_cmdline(s);
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek log_debug("Setting both rate limit interval and burst from %llu,%u to 0,0",
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek (long long unsigned) s->rate_limit_interval,
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek s->rate_limit_burst);
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek s->rate_limit_interval = s->rate_limit_burst = 0;
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek mkdir_p("/run/systemd/journal", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->user_journals = hashmap_new(trivial_hash_func, trivial_compare_func);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->user_journals)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->mmap = mmap_cache_new();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->epoll_fd < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to create epoll object: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -errno;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = sd_listen_fds(true);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (n < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Failed to read listening file descriptors from environment: %s", strerror(-n));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return n;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (sd_is_socket_unix(fd, SOCK_STREAM, 1, "/run/systemd/journal/stdout", 0) > 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->stdout_fd >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Too many stdout sockets passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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
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 {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Unknown socket passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_syslog_socket(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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_stdout_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_kernel_seqnum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = server_open_sync_timer(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = open_signalfd(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->udev = udev_new();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->udev)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek s->rate_limit = journal_rate_limit_new(s->rate_limit_interval,
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek s->rate_limit_burst);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->rate_limit)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = system_journal_open(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_maybe_append_tags(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_GCRYPT
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 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)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek 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 = hashmap_steal_first(s->user_journals)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek hashmap_free(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->epoll_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->epoll_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->signal_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->signal_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->syslog_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->syslog_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->native_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->native_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->stdout_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->stdout_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->dev_kmsg_fd >= 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek close_nointr_nofail(s->dev_kmsg_fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (s->sync_timer_fd >= 0)
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk close_nointr_nofail(s->sync_timer_fd);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->rate_limit)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_rate_limit_free(s->rate_limit);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->kernel_seqnum)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek munmap(s->kernel_seqnum, sizeof(uint64_t));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(s->buffer);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek free(s->tty_path);
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}