journald-server.c revision b5efdb8af40ea759a1ea584c1bc44ecc81dd00ce
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
24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#ifdef HAVE_SELINUX
24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include <selinux/selinux.h>
24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#endif
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include <sys/ioctl.h>
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include <sys/mman.h>
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include <sys/signalfd.h>
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include <sys/statvfs.h>
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <linux/sockios.h>
24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "libudev.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "sd-daemon.h"
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering#include "sd-journal.h"
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering#include "sd-messages.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "acl-util.h"
b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"
430f0182b72373145c839dbfe99d2382855cb8f8Lennart Poettering#include "audit-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "cgroup-util.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "conf-parser.h"
a09561746f15b84da9471b5c4be74e53d19e4f3fLennart Poettering#include "dirent-util.h"
0dec689b098cf62b948d43dc78bde859665056ecTom Gundersen#include "extract-word.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"
958b66ea16deddd794b3a52643bd44633e165eadLennart Poettering#include "formats-util.h"
f4f15635ec05293ffcc83a5b39f624bbabbd8fd0Lennart Poettering#include "fs-util.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "hashmap.h"
958b66ea16deddd794b3a52643bd44633e165eadLennart Poettering#include "hostname-util.h"
afc5dbf37fd2399d37976388d9dd9ab470ecf446Lennart Poettering#include "io-util.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journal-authenticate.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journal-file.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-internal.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journal-vacuum.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journald-audit.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-kmsg.h"
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#include "journald-native.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journald-rate-limit.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "journald-server.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journald-stream.h"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#include "journald-syslog.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "missing.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "mkdir.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "parse-util.h"
4e731273edfe852a3eee2949cd20f49fd5b4f6d7Lennart Poettering#include "proc-cmdline.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "process-util.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "rm-rf.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "selinux-util.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "signal-util.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "socket-util.h"
8b43440b7ef4b81c69c31de7ff820dc07a780254Lennart Poettering#include "string-table.h"
07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include "string-util.h"
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
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewicz#define DEFAULT_MAX_FILE_USEC USEC_PER_MONTH
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering#define RECHECK_SPACE_USEC (30*USEC_PER_SEC)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poetteringstatic int determine_space_for(
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering Server *s,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering JournalMetrics *metrics,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *path,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *name,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering bool verbose,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering bool patch_min_use,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering uint64_t *available,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering uint64_t *limit) {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering uint64_t sum = 0, ss_avail, avail;
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_closedir_ DIR *d = NULL;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering struct dirent *de;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering struct statvfs ss;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *p;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek usec_t ts;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(metrics);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(path);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(name);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering ts = now(CLOCK_MONOTONIC);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (!verbose && s->cached_space_timestamp + RECHECK_SPACE_USEC > ts) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (available)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering *available = s->cached_space_available;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (limit)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering *limit = s->cached_space_limit;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering p = strjoina(path, SERVER_MACHINE_ID(s));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek d = opendir(p);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!d)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to open %s: %m", p);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (fstatvfs(dirfd(d), &ss) < 0)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering return log_error_errno(errno, "Failed to fstatvfs(%s): %m", p);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering FOREACH_DIRENT_ALL(de, d, break) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek struct stat st;
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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering log_debug_errno(errno, "Failed to stat %s/%s, ignoring: %m", p, de->d_name);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek continue;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering }
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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering /* If request, then let's bump the min_use limit to the
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering * current usage on disk. We do this when starting up and
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering * first opening the journal files. This way sudden spikes in
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering * disk usage will not cause journald to vacuum files without
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering * bounds. Note that this means that only a restart of
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering * journald will make it reset this value. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (patch_min_use)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering metrics->min_use = MAX(metrics->min_use, sum);
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering ss_avail = ss.f_bsize * ss.f_bavail;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering avail = LESS_BY(ss_avail, metrics->keep_free);
348ced909724a1331b85d57aede80a102a00e428Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_space_limit = MIN(MAX(sum + avail, metrics->min_use), metrics->max_use);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_space_available = LESS_BY(s->cached_space_limit, sum);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_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],
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX], fb6[FORMAT_BYTES_MAX];
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering "%s (%s) is currently using %s.\n"
da2e288bbc4d8cebaa1d38a80f6eec8cde3e9cceLennart Poettering "Maximum allowed usage is set to %s.\n"
da2e288bbc4d8cebaa1d38a80f6eec8cde3e9cceLennart Poettering "Leaving at least %s free (of currently available %s of space).\n"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering "Enforced usage limit is thus %s, of which %s are still available.",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering name, path,
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb1, sizeof(fb1), sum),
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering format_bytes(fb2, sizeof(fb2), metrics->max_use),
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering format_bytes(fb3, sizeof(fb3), metrics->keep_free),
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek format_bytes(fb4, sizeof(fb4), ss_avail),
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering format_bytes(fb5, sizeof(fb5), s->cached_space_limit),
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering format_bytes(fb6, sizeof(fb6), s->cached_space_available));
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering }
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (available)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering *available = s->cached_space_available;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (limit)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering *limit = s->cached_space_limit;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering return 1;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering}
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poetteringstatic int determine_space(Server *s, bool verbose, bool patch_min_use, uint64_t *available, uint64_t *limit) {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering JournalMetrics *metrics;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *path, *name;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (s->system_journal) {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering path = "/var/log/journal/";
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering metrics = &s->system_metrics;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering name = "System journal";
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering } else {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering path = "/run/log/journal/";
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering metrics = &s->runtime_metrics;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering name = "Runtime journal";
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek }
670b110c3b59dfa335ac43065b2038400d1d04a9Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering return determine_space_for(s, metrics, path, name, verbose, patch_min_use, available, limit);
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
0fb398316c6705dfc168733361650fdb6824896dLennart Poettering _cleanup_(acl_freep) acl_t acl = NULL;
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
4608af4333d0f7f5f8e3bc632801b04ef07d246dLennart Poettering r = fchmod(f->fd, 0640);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
65089b82401cd395786a7987c470056ff3f01151Lennart Poettering log_warning_errno(errno, "Failed to fix access mode on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL
34c10968cbe3b5591b3c0ce225b8694edd9709d0Lennart Poettering if (uid <= SYSTEM_UID_MAX)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek acl = acl_get_fd(f->fd);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!acl) {
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt log_warning_errno(errno, "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) {
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
0fb398316c6705dfc168733361650fdb6824896dLennart Poettering return;
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) {
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
0fb398316c6705dfc168733361650fdb6824896dLennart Poettering return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (acl_set_fd(f->fd, acl) < 0)
56f64d95763a799ba4475daf44d8e9f72a1bd474Michal Schmidt log_warning_errno(errno, "Failed to set ACL on %s, ignoring: %m", f->path);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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
f7dc3ab9f43b67abcbd34062b9352ab42debec49Lennart Poettering if (uid <= SYSTEM_UID_MAX)
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
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt f = ordered_hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (f)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-"UID_FMT".journal",
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek SD_ID128_FORMAT_VAL(machine), uid) < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return s->system_journal;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt while (ordered_hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* Too many open? Then let's close one */
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt f = ordered_hashmap_steal_first(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(f);
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
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt r = ordered_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
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poetteringstatic int do_rotate(
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering Server *s,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering JournalFile **f,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char* name,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering bool seal,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering uint32_t uid) {
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek int r;
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek assert(s);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (!*f)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek return -EINVAL;
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek r = journal_file_rotate(f, s->compress, seal);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (r < 0)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (*f)
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering log_error_errno(r, "Failed to rotate %s: %m", (*f)->path);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering log_error_errno(r, "Failed to create new %s journal: %m", name);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek server_fix_perms(s, *f, uid);
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek return r;
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek}
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew 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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) do_rotate(s, &s->runtime_journal, "runtime", false, 0);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) do_rotate(s, &s->system_journal, "system", s->seal, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek r = do_rotate(s, &f, "user", s->seal, PTR_TO_UINT32(k));
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek if (r >= 0)
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ordered_hashmap_replace(s->user_journals, k, f);
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek else if (!f)
fc55baee9964a118afbddbf82b8e667a0ad80b99Zbigniew Jędrzejewski-Szmek /* Old file has been closed and deallocated */
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ordered_hashmap_remove(s->user_journals, k);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchukvoid server_sync(Server *s) {
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)
65089b82401cd395786a7987c470056ff3f01151Lennart Poettering log_warning_errno(r, "Failed to sync system journal, ignoring: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk r = journal_file_set_offline(f);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
65089b82401cd395786a7987c470056ff3f01151Lennart Poettering log_warning_errno(r, "Failed to sync user journal, ignoring: %m");
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (s->sync_event_source) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_OFF);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_error_errno(r, "Failed to disable sync timer source: %m");
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk s->sync_scheduled = false;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poetteringstatic void do_vacuum(
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering Server *s,
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering JournalFile *f,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering JournalMetrics *metrics,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *path,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering const char *name,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering bool verbose,
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering bool patch_min_use) {
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering
ea69bd41c5923f4f278a09bb7d8cb1abcfa122e1Lennart Poettering const char *p;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering uint64_t limit;
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek int r;
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(metrics);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(path);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(name);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek if (!f)
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek return;
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering p = strjoina(path, SERVER_MACHINE_ID(s));
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering limit = metrics->max_use;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) determine_space_for(s, metrics, path, name, verbose, patch_min_use, NULL, &limit);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering r = journal_directory_vacuum(p, limit, metrics->n_max_files, s->max_retention_usec, &s->oldest_file_usec, verbose);
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering log_warning_errno(r, "Failed to vacuum %s, ignoring: %m", p);
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek}
63c8666b824e8762ffb73647e1caee165dfbc868Zbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poetteringint server_vacuum(Server *s, bool verbose, bool patch_min_use) {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_debug("Vacuuming...");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->oldest_file_usec = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering do_vacuum(s, s->system_journal, &s->system_metrics, "/var/log/journal/", "System journal", verbose, patch_min_use);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering do_vacuum(s, s->runtime_journal, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", verbose, patch_min_use);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_space_limit = 0;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_space_available = 0;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering s->cached_space_timestamp = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic void server_cache_machine_id(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_t id;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering int r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_id128_get_machine(&id);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_to_string(id, stpcpy(s->machine_id_field, "_MACHINE_ID="));
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic void server_cache_boot_id(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_t id;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering int r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_id128_get_boot(&id);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_id128_to_string(id, stpcpy(s->boot_id_field, "_BOOT_ID="));
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic void server_cache_hostname(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering _cleanup_free_ char *t = NULL;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering char *x;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering t = gethostname_malloc();
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!t)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering x = strappend("_HOSTNAME=", t);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!x)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering free(s->hostname_field);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->hostname_field = x;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
8531ae707d4d0203e83304d4af948b8169a5fce1Lennart Poetteringstatic bool 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
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering -EIO I/O error of some kind (mmap)
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
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering -ESHUTDOWN Already archived
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering -EIDRM Journal file has been deleted */
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);
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering else if (r == -EIO)
fa6ac76083b8ffc1309876459f54f9f0e2843731Lennart Poettering log_warning("%s: IO error, rotating.", f->path);
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering else if (r == -EIDRM)
2678031a179a9b91fc799f8ef951a548c66c4b49Lennart Poettering log_warning("%s: Journal file has been deleted, 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);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering server_vacuum(s, false, false);
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)) {
8266e1c04db8cabe3c68510a0c1f07c09ecdb2e8Lennart Poettering log_error_errno(r, "Failed to write entry (%d items, %zu bytes), ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering server_vacuum(s, false, false);
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);
8266e1c04db8cabe3c68510a0c1f07c09ecdb2e8Lennart Poettering if (r < 0)
8266e1c04db8cabe3c68510a0c1f07c09ecdb2e8Lennart Poettering log_error_errno(r, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
8266e1c04db8cabe3c68510a0c1f07c09ecdb2e8Lennart 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,
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering const struct ucred *ucred,
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering const 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)],
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 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
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(pid, "_PID="PID_FMT, ucred->pid);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther IOVEC_SET_STRING(iovec[n++], pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(uid, "_UID="UID_FMT, ucred->uid);
c2457105d76e3daf159f554a9bafb9751b23d756Holger Hans Peter Freyther IOVEC_SET_STRING(iovec[n++], uid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(gid, "_GID="GID_FMT, 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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(audit_session, "_AUDIT_SESSION=%"PRIu32, 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) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(audit_loginuid, "_AUDIT_LOGINUID="UID_FMT, loginuid);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering IOVEC_SET_STRING(iovec[n++], audit_loginuid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);
7027ff61a34a12487712b382a061c654acc3a679Lennart Poettering if (r >= 0) {
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek char *session = NULL;
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering session = strjoina("_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
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(owner_uid, "_SYSTEMD_OWNER_UID="UID_FMT, 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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SYSTEMD_UNIT=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering } else if (unit_id && !session) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SYSTEMD_USER_UNIT=", t);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering } else if (unit_id && session) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SYSTEMD_USER_UNIT=", unit_id);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering IOVEC_SET_STRING(iovec[n++], x);
19cace379f3f680d3201cd257ab3ca6708b2d45dLennart Poettering }
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering if (cg_path_get_slice(c, &t) >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SYSTEMD_SLICE=", t);
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering free(t);
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering }
0a244b8ecb6dfcb381fe831dc2aa9bacb2c12975Lennart Poettering
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering free(c);
2d43b190901902dbd98ccea77c1d1ddc9e2a9955Dan McGee } else if (unit_id) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SYSTEMD_UNIT=", unit_id);
2d43b190901902dbd98ccea77c1d1ddc9e2a9955Dan McGee IOVEC_SET_STRING(iovec[n++], x);
ef1673d16907726d83bdff2e57b5261997a85020Mirco Tischler }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX
6baa7db00812437bbc87e73faa1a11b6cf631958Lennart Poettering if (mac_selinux_use()) {
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering if (label) {
f8294e4175918117ca6c131720bcf287eadcd029Josh Triplett x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);
ae018d9bc900d6355dea4af05119b49c67945184Lennart Poettering
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering } else {
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering security_context_t con;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering if (getpidcon(ucred->pid, &con) >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("_SELINUX_CONTEXT=", con);
e7ff4e7fe9f3abd2297e4ef7b95dcb2804e051c3Greg Kroah-Hartman
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering freecon(con);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);
d682b3a7e7c7c2941a4d3e193f1e330dbc9fae89Lennart Poettering }
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) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(o_uid, "OBJECT_UID="UID_FMT, 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) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(o_gid, "OBJECT_GID="GID_FMT, object_gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_gid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_comm(object_pid, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("OBJECT_COMM=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_exe(object_pid, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("OBJECT_EXE=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = get_process_cmdline(object_pid, 0, false, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("OBJECT_CMDLINE=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek#ifdef HAVE_AUDIT
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(object_pid, &audit);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%"PRIu32, audit);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_session);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = audit_loginuid_from_pid(object_pid, &loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID="UID_FMT, loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_loginuid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek#endif
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering r = cg_pid_get_path_shifted(object_pid, s->cgroup_root, &c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("OBJECT_SYSTEMD_CGROUP=", c);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek r = cg_path_get_session(c, &t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (r >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("OBJECT_SYSTEMD_SESSION=", t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek free(t);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (cg_path_get_owner_uid(c, &owner) >= 0) {
de0671ee7fe465e108f62dcbbbe9366f81dd9e9aZbigniew Jędrzejewski-Szmek sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID="UID_FMT, owner);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_owner_uid);
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek }
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek
968f319679d9069af037240d0c3bcd126181cdacZbigniew Jędrzejewski-Szmek if (cg_path_get_unit(c, &t) >= 0) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("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) {
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering x = strjoina("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. */
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!isempty(s->boot_id_field))
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering IOVEC_SET_STRING(iovec[n++], s->boot_id_field);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!isempty(s->machine_id_field))
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering IOVEC_SET_STRING(iovec[n++], s->machine_id_field);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (!isempty(s->hostname_field))
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering IOVEC_SET_STRING(iovec[n++], s->hostname_field);
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)
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering /* Split up by login UIDs. We do this only if the
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering * realuid is not root, in order not to accidentally
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering * leak privileged information to the user that is
edc3797f7cd9e37c24e5241cac3263e7c918f732Lennart Poettering * logged by a privileged process that is part of an
7517e17443225fafea86b21e42a36af69feb1dbcTorstein Husebø * 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];
b6fa25552e538eca207072e12d223e3523b21a19Evgeny Vereshchagin struct iovec iovec[N_IOVEC_META_FIELDS + 6];
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
b6fa25552e538eca207072e12d223e3523b21a19Evgeny Vereshchagin IOVEC_SET_STRING(iovec[n++], "SYSLOG_FACILITY=3");
b6fa25552e538eca207072e12d223e3523b21a19Evgeny Vereshchagin IOVEC_SET_STRING(iovec[n++], "SYSLOG_IDENTIFIER=systemd-journald");
b6fa25552e538eca207072e12d223e3523b21a19Evgeny Vereshchagin
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 IOVEC_SET_STRING(iovec[n++], buffer);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!sd_id128_equal(message_id, SD_ID128_NULL)) {
e2cc6eca73cd1df8be552d7c23f9ff3d69c06f1eLennart Poettering snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], mid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.pid = getpid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.uid = getuid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek ucred.gid = getgid();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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,
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering const struct ucred *ucred,
3b3154df7e2773332bb814e167187367a0ccae4aLennart Poettering const 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;
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering uint64_t available = 0;
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
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) determine_space(s, false, false, &available, NULL);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering rl = journal_rate_limit_test(s->rate_limit, path, priority & LOG_PRIMASK, available);
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
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmekstatic int system_journal_open(Server *s, bool flush_requested) {
84267e4043cf88bf540b5bf9cd65e194670a4ffaLennart Poettering const char *fn;
09eba4d46b1119c758fba38a520a38c8d19af739Lennart Poettering int r = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->system_journal &&
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew Jędrzejewski-Szmek (flush_requested
caa2f4c0c9613b2e02aafa308c8fb092576014a9Zbigniew 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)
ac892057c2ddd8f06323c73ebd80423cc3ec7190Dimitri John Ledkov (void) mkdir_p("/var/log/journal/", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering fn = strjoina("/var/log/journal/", SERVER_MACHINE_ID(s));
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek (void) mkdir(fn, 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering fn = strjoina(fn, "/system.journal");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (r >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->system_journal, 0);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) determine_space_for(s, &s->system_metrics, "/var/log/journal/", "System journal", true, true, NULL, NULL);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering } else if (r < 0) {
433dd100442e8197868def975c6fd38b48dc6439Lukas Nykryn if (r != -ENOENT && r != -EROFS)
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to open system journal: %m");
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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering fn = strjoina("/run/log/journal/", SERVER_MACHINE_ID(s), "/system.journal");
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 if (r < 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r != -ENOENT)
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to open runtime journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek /* OK, we really need the runtime journal, so create
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek * it if necessary. */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering (void) mkdir("/run/log", 0755);
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering (void) mkdir("/run/log/journal", 0755);
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering (void) mkdir_parents(fn, 0750);
fc1d70af2101e16c9e6f3c5bfd5ab315ee9e6daeLennart Poettering
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);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to open runtime journal: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering if (s->runtime_journal) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_fix_perms(s, s->runtime_journal, 0);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) determine_space_for(s, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", true, true, NULL, NULL);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew 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 sd_id128_t machine;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek sd_journal *j = NULL;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering char ts[FORMAT_TIMESPAN_MAX];
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering usec_t start;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering unsigned n = 0;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering int r;
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
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) system_journal_open(s, true);
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
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering start = now(CLOCK_MONOTONIC);
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);
00a168618906bea43c3c57e20b9152582c324bf8Olivier Brunel if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to read runtime journal: %m");
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
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering n++;
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_error_errno(r, "Can't read entry: %m");
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)) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_error_errno(r, "Can't write entry: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_rotate(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering server_vacuum(s, false, false);
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) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_error_errno(r, "Can't write entry: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek goto finish;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
804ae586d475d77946debb22c1bc9ee049d4750cLennart Poettering r = 0;
804ae586d475d77946debb22c1bc9ee049d4750cLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekfinish:
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_post_change(s->system_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
804ae586d475d77946debb22c1bc9ee049d4750cLennart Poettering s->runtime_journal = journal_file_close(s->runtime_journal);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r >= 0)
c6878637502b1717a110a9a7e8bba32a8583fcdfLennart Poettering (void) rm_rf("/run/log/journal", REMOVE_ROOT);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
763c7aa288485cf5ab627fe1d25ff58e76f9dacbZbigniew Jędrzejewski-Szmek sd_journal_close(j);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering server_driver_message(s, SD_ID128_NULL, "Time spent on flushing to /var is %s for %u entries.", format_timespan(ts, sizeof(ts), now(CLOCK_MONOTONIC) - start, 0), n);
fbb634117d0b0ebd5b105e65b141e75ae9af7f8fLennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8531ae707d4d0203e83304d4af948b8169a5fce1Lennart Poetteringint server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct ucred *ucred = NULL;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct timeval *tv = NULL;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct cmsghdr *cmsg;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering char *label = NULL;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering size_t label_len = 0, m;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct iovec iovec;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering ssize_t n;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering int *fds = NULL, v = 0;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering unsigned n_fds = 0;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering union {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct cmsghdr cmsghdr;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering /* We use NAME_MAX space for the SELinux label
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * here. The kernel currently enforces no
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * limit, but according to suggestions from
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * the SELinux people this will change and it
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * will probably be identical to NAME_MAX. For
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * now we use that, but this should be updated
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * one day when the final limit is known. */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering CMSG_SPACE(sizeof(struct timeval)) +
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering CMSG_SPACE(sizeof(int)) + /* fd */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering CMSG_SPACE(NAME_MAX)]; /* selinux label */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering } control = {};
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering union sockaddr_union sa = {};
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering struct msghdr msghdr = {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_iov = &iovec,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_iovlen = 1,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_control = &control,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_controllen = sizeof(control),
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_name = &sa,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering .msg_namelen = sizeof(sa),
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering };
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering assert(fd == s->native_fd || fd == s->syslog_fd || fd == s->audit_fd);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (revents != EPOLLIN) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_error("Got invalid event from epoll for datagram fd: %"PRIx32, revents);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return -EIO;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering /* Try to get the right size, if we can. (Not all
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * sockets support SIOCINQ, hence we just try, but
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering * don't rely on it. */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering (void) ioctl(fd, SIOCINQ, &v);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering /* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful! */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering m = PAGE_ALIGN(MAX3((size_t) v + 1,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering (size_t) LINE_MAX,
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering ALIGN(sizeof(struct nlmsghdr)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH)) + 1);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (!GREEDY_REALLOC(s->buffer, s->buffer_size, m))
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering return log_oom();
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering iovec.iov_base = s->buffer;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering iovec.iov_len = s->buffer_size - 1; /* Leave room for trailing NUL we add later */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (n < 0) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (errno == EINTR || errno == EAGAIN)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering return 0;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering return log_error_errno(errno, "recvmsg() failed: %m");
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering CMSG_FOREACH(cmsg, &msghdr) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (cmsg->cmsg_level == SOL_SOCKET &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_type == SCM_CREDENTIALS &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering ucred = (struct ucred*) CMSG_DATA(cmsg);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (cmsg->cmsg_level == SOL_SOCKET &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_type == SCM_SECURITY) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering label = (char*) CMSG_DATA(cmsg);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering label_len = cmsg->cmsg_len - CMSG_LEN(0);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering } else if (cmsg->cmsg_level == SOL_SOCKET &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_type == SO_TIMESTAMP &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering tv = (struct timeval*) CMSG_DATA(cmsg);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (cmsg->cmsg_level == SOL_SOCKET &&
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering cmsg->cmsg_type == SCM_RIGHTS) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering fds = (int*) CMSG_DATA(cmsg);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering /* And a trailing NUL, just in case */
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering s->buffer[n] = 0;
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (fd == s->syslog_fd) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (n > 0 && n_fds == 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (n_fds > 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering log_warning("Got file descriptors via syslog socket. Ignoring.");
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering } else if (fd == s->native_fd) {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (n > 0 && n_fds == 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (n == 0 && n_fds == 1)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering server_process_native_file(s, fds[0], ucred, tv, label, label_len);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (n_fds > 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering log_warning("Got too many file descriptors via native socket. Ignoring.");
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering } else {
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering assert(fd == s->audit_fd);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering if (n > 0 && n_fds == 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering server_process_audit_message(s, s->buffer, n, ucred, &sa, msghdr.msg_namelen);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering else if (n_fds > 0)
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering log_warning("Got file descriptors via audit socket. Ignoring.");
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering close_many(fds, n_fds);
a315ac4e076c4ce7ce3e5c95792cf916d5e918c5Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_info("Received request to flush runtime journal from PID %"PRIu32, si->ssi_pid);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_flush_to_var(s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_sync(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering server_vacuum(s, false, false);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
ac5b0c13d8023745c0fbdaaa95dcec5b7b21d1e2Lennart Poettering (void) touch("/run/systemd/journal/flushed");
74055aa76278232ff05574fc47c4e6b3560554a7Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering log_info("Received request to rotate journal from PID %"PRIu32, si->ssi_pid);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_rotate(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering server_vacuum(s, true, true);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return 0;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int dispatch_sigterm(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
4daf54a851e4fb7ed1a13c3117bba12528fd2c7fZbigniew Jędrzejewski-Szmek log_received_signal(LOG_INFO, si);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
6203e07a83214a55bb1f88508fcda2005c601deaLennart Poettering sd_event_exit(s->event, 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int setup_signals(Server *s) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
72c0a2c255b172ebbb2a2b7dab7c9aec4c9582d9Lennart Poettering assert(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1) >= 0);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_signal(s->event, &s->sigusr2_event_source, SIGUSR2, dispatch_sigusr2, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_signal(s->event, &s->sigterm_event_source, SIGTERM, dispatch_sigterm, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_proc_cmdline(Server *s) {
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *line = NULL;
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani const char *p;
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering int r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
74df0fca09b3c31ed19e14ba80f996fdff772417Lennart Poettering r = proc_cmdline(&line);
b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering if (r < 0) {
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return 0;
b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani p = line;
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani for(;;) {
7fd1b19bc9e9f5574f2877936b8ac267c7706947Harald Hoyer _cleanup_free_ char *word;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani r = extract_first_word(&p, &word, NULL, 0);
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani if (r < 0)
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani return log_error_errno(r, "Failed to parse journald syntax \"%s\": %m", line);
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani if (r == 0)
d581d9d91fa5c42ce7828a7d0b1334d370cf1670Susant Sahani break;
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;
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen } else if (startswith(word, "systemd.journald.forward_to_wall=")) {
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen r = parse_boolean(word + 33);
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen if (r < 0)
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33);
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen else
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen s->forward_to_wall = r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.journald"))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_warning("Invalid systemd.journald parameter. Ignoring.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
804ae586d475d77946debb22c1bc9ee049d4750cLennart Poettering /* do not warn about state here, since probably systemd already did */
db91ea32aa223d1b087d99811226a9c59a1bb281Zbigniew Jędrzejewski-Szmek return 0;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekstatic int server_parse_config_file(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett return config_parse_many("/etc/systemd/journald.conf",
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett CONF_DIRS_NULSTR("systemd/journald.conf"),
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett "Journal\0",
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett config_item_perf_lookup, journald_gperf_lookup,
a9edaeff8481573764288ccf7e433a95b6dc7c03Josh Triplett false, s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poetteringstatic int server_dispatch_sync(sd_event_source *es, usec_t t, void *userdata) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering Server *s = userdata;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk assert(s);
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering server_sync(s);
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
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (s->sync_interval_usec > 0) {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering usec_t when;
ca2670162464b98f44d3f30a1d8b47b02609784cMichał Bartoszkiewicz
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering r = sd_event_now(s->event, CLOCK_MONOTONIC, &when);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering when += s->sync_interval_usec;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (!s->sync_event_source) {
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering r = sd_event_add_time(
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering s->event,
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering &s->sync_event_source,
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering CLOCK_MONOTONIC,
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering when, 0,
6a0f1f6d5af7c7300d3db7a0ba2b068f8abd222bLennart Poettering server_dispatch_sync, s);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_priority(s->sync_event_source, SD_EVENT_PRIORITY_IMPORTANT);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering } else {
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_time(s->sync_event_source, when);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_ONESHOT);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk if (r < 0)
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering return r;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering s->sync_scheduled = true;
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering }
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk return 0;
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk}
26687bf8a907009dedcff79346860ed41511405eOleksii Shevchuk
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic int dispatch_hostname_change(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering Server *s = userdata;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering server_cache_hostname(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return 0;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poetteringstatic int server_open_hostname(Server *s) {
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering int r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering assert(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering s->hostname_fd = open("/proc/sys/kernel/hostname", O_RDONLY|O_CLOEXEC|O_NDELAY|O_NOCTTY);
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt if (s->hostname_fd < 0)
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt return log_error_errno(errno, "Failed to open /proc/sys/kernel/hostname: %m");
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
151b9b9662a90455262ce575a8a8ae74bf4ff336Lennart Poettering r = sd_event_add_io(s->event, &s->hostname_event_source, s->hostname_fd, 0, dispatch_hostname_change, s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0) {
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner /* kernels prior to 3.2 don't support polling this file. Ignore
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner * the failure. */
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner if (r == -EPERM) {
e53fc357a9bb9d0a5362ccc4246d598cb0febd5eLennart Poettering log_warning_errno(r, "Failed to register hostname fd in event loop, ignoring: %m");
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering s->hostname_fd = safe_close(s->hostname_fd);
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner return 0;
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner }
28def94cc8fd4394b20e2155d7130166662343c4Dave Reisner
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to register hostname fd in event loop: %m");
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering }
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = sd_event_source_set_priority(s->hostname_event_source, SD_EVENT_PRIORITY_IMPORTANT-10);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to adjust priority of host name event source: %m");
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return 0;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering}
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekint server_init(Server *s) {
13790add4bf648fed816361794d8277a75253410Lennart Poettering _cleanup_fdset_free_ FDSet *fds = NULL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek int n, r, fd;
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek bool no_sockets;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek zero(*s);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_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
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen s->forward_to_wall = true;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewicz s->max_file_usec = DEFAULT_MAX_FILE_USEC;
e150e82097211f09b911c7784a89ef9efed713caMichał Bartoszkiewicz
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;
40b71e89bae4e51768db4dc50ec64c1e9c96eec4Sebastian Thorarensen s->max_level_wall = LOG_EMERG;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering journal_reset_metrics(&s->system_metrics);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering journal_reset_metrics(&s->runtime_metrics);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_parse_config_file(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek server_parse_proc_cmdline(s);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {
b1389b0d0805392570085acc7cb10eafcf885405Zbigniew Jędrzejewski-Szmek log_debug("Setting both rate limit interval and burst from "USEC_FMT",%u to 0,0",
b1389b0d0805392570085acc7cb10eafcf885405Zbigniew Jędrzejewski-Szmek s->rate_limit_interval, s->rate_limit_burst);
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek s->rate_limit_interval = s->rate_limit_burst = 0;
d288f79fb4a2fe4a93cf99f74dacd2cebd3f2440Zbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering (void) mkdir_p("/run/systemd/journal", 0755);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt s->user_journals = ordered_hashmap_new(NULL);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->user_journals)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->mmap = mmap_cache_new();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return log_oom();
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = sd_event_default(&s->event);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (r < 0)
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(r, "Failed to create event loop: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_set_watchdog(s->event, true);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek n = sd_listen_fds(true);
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (n < 0)
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
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
03ee5c38cb0da193dd08733fb4c0c2809cee6a99Lennart Poettering } else if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/dev/log", 0) > 0 ||
03ee5c38cb0da193dd08733fb4c0c2809cee6a99Lennart Poettering sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/dev-log", 0) > 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->syslog_fd >= 0) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek log_error("Too many /dev/log sockets passed.");
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -EINVAL;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek s->syslog_fd = fd;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering } else if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering if (s->audit_fd >= 0) {
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering log_error("Too many audit sockets passed.");
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering return -EINVAL;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering s->audit_fd = fd;
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering } else {
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering
13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!fds) {
13790add4bf648fed816361794d8277a75253410Lennart Poettering fds = fdset_new();
13790add4bf648fed816361794d8277a75253410Lennart Poettering if (!fds)
13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_oom();
13790add4bf648fed816361794d8277a75253410Lennart Poettering }
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering
13790add4bf648fed816361794d8277a75253410Lennart Poettering r = fdset_put(fds, fd);
13790add4bf648fed816361794d8277a75253410Lennart Poettering if (r < 0)
13790add4bf648fed816361794d8277a75253410Lennart Poettering return log_oom();
4ec3cd7391e119b597375c547cf4ed50fce9f115Lennart Poettering }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek }
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek /* Try to restore streams, but don't bother if this fails */
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek (void) server_restore_streams(s, fds);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
13790add4bf648fed816361794d8277a75253410Lennart Poettering if (fdset_size(fds) > 0) {
13790add4bf648fed816361794d8277a75253410Lennart Poettering log_warning("%u unknown file descriptors passed, closing.", fdset_size(fds));
13790add4bf648fed816361794d8277a75253410Lennart Poettering fds = fdset_free(fds);
13790add4bf648fed816361794d8277a75253410Lennart Poettering }
13790add4bf648fed816361794d8277a75253410Lennart Poettering
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek no_sockets = s->native_fd < 0 && s->stdout_fd < 0 && s->syslog_fd < 0 && s->audit_fd < 0;
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek /* always open stdout, syslog, native, and kmsg sockets */
37b7affefde5443680d73642a990ce86776e28afZbigniew Jędrzejewski-Szmek
37b7affefde5443680d73642a990ce86776e28afZbigniew Jędrzejewski-Szmek /* systemd-journald.socket: /run/systemd/journal/stdout */
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek r = server_open_stdout_socket(s);
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek if (r < 0)
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek return r;
15d91bff36c61d38df8edff258d1702a017a0e66Zbigniew Jędrzejewski-Szmek
37b7affefde5443680d73642a990ce86776e28afZbigniew Jędrzejewski-Szmek /* systemd-journald-dev-log.socket: /run/systemd/journal/dev-log */
13790add4bf648fed816361794d8277a75253410Lennart Poettering r = server_open_syslog_socket(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
37b7affefde5443680d73642a990ce86776e28afZbigniew Jędrzejewski-Szmek /* systemd-journald.socket: /run/systemd/journal/socket */
13790add4bf648fed816361794d8277a75253410Lennart Poettering r = server_open_native_socket(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
37b7affefde5443680d73642a990ce86776e28afZbigniew Jędrzejewski-Szmek /* /dev/ksmg */
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_dev_kmsg(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek /* Unless we got *some* sockets and not audit, open audit socket */
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek if (s->audit_fd >= 0 || no_sockets) {
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek r = server_open_audit(s);
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek if (r < 0)
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek return r;
7d18d348da26fdbb392c76b0f5edb7f06282afbbZbigniew Jędrzejewski-Szmek }
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek r = server_open_kernel_seqnum(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (r < 0)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return r;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering r = server_open_hostname(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering if (r < 0)
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering return r;
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering r = setup_signals(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
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering s->rate_limit = journal_rate_limit_new(s->rate_limit_interval, s->rate_limit_burst);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (!s->rate_limit)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek return -ENOMEM;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering r = cg_get_root_path(&s->cgroup_root);
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering if (r < 0)
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering return r;
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering server_cache_hostname(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering server_cache_boot_id(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering server_cache_machine_id(s);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
804ae586d475d77946debb22c1bc9ee049d4750cLennart Poettering return system_journal_open(s, false);
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
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ORDERED_HASHMAP_FOREACH(f, s->user_journals, i)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_maybe_append_tag(f, n);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek#endif
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmekvoid server_done(Server *s) {
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek JournalFile *f;
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek assert(s);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek while (s->stdout_streams)
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
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt while ((f = ordered_hashmap_steal_first(s->user_journals)))
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek journal_file_close(f);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
43cf8388ea4ffed1801468d4b650d6e48eefce9eMichal Schmidt ordered_hashmap_free(s->user_journals);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->syslog_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->native_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->stdout_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->dev_kmsg_event_source);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering sd_event_source_unref(s->audit_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->sync_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->sigusr1_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->sigusr2_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->sigterm_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_source_unref(s->sigint_event_source);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering sd_event_source_unref(s->hostname_event_source);
f9a810bedacf1da7c505c1786a2416d592665926Lennart Poettering sd_event_unref(s->event);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(s->syslog_fd);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(s->native_fd);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(s->stdout_fd);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(s->dev_kmsg_fd);
875c2e220e2611165e09051c4747971811f1de58Lennart Poettering safe_close(s->audit_fd);
03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering safe_close(s->hostname_fd);
0c24bb2346b6b6232d67aacd5236b56ea4989de4Lennart Poettering
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);
e9174f29c7e3ee45137537b126458718913a3ec5Lennart Poettering free(s->cgroup_root);
99d0966e75a984bed4f117c888ecc93e16e7b7b6Lennart Poettering free(s->hostname_field);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek if (s->mmap)
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek mmap_cache_unref(s->mmap);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek
3e044c492e3ebe64f4e3175c94f9db8a62557b82Markus Elfring udev_unref(s->udev);
d025f1e4dca8fc1436aff76f9e6185fe3e728daaZbigniew Jędrzejewski-Szmek}
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poetteringstatic const char* const storage_table[_STORAGE_MAX] = {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [STORAGE_AUTO] = "auto",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [STORAGE_VOLATILE] = "volatile",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [STORAGE_PERSISTENT] = "persistent",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [STORAGE_NONE] = "none"
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering};
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart PoetteringDEFINE_STRING_TABLE_LOOKUP(storage, Storage);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart PoetteringDEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poetteringstatic const char* const split_mode_table[_SPLIT_MAX] = {
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [SPLIT_LOGIN] = "login",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [SPLIT_UID] = "uid",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering [SPLIT_NONE] = "none",
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering};
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart Poettering
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart PoetteringDEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);
8580d1f73db36e9383e674e388b4fb55828c0c66Lennart PoetteringDEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");