3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <sys/signalfd.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <sys/ioctl.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <linux/sockios.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <sys/statvfs.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <sys/mman.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <sys/timerfd.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include <libudev.h>

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "sd-journal.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "sd-messages.h"

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek#include "sd-daemon.h"

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek#include "fileio.h"

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek#include "mkdir.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "hashmap.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "journal-file.h"

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek#include "socket-util.h"

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek#include "cgroup-util.h"

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek#include "list.h"

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek#include "missing.h"

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek#include "conf-parser.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "selinux-util.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "journal-internal.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "journal-vacuum.h"

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#include "journal-authenticate.h"

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek#include "journald-rate-limit.h"

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek#include "journald-kmsg.h"

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek#include "journald-syslog.h"

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek#include "journald-stream.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include "journald-console.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include "journald-native.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include "journald-audit.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include "journald-server.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include <sys/acl.h>

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#include <acl/libacl.h>

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek#include "acl-util.h"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#endif

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek#include <selinux/selinux.h>

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define USER_JOURNALS_MAX 1024

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define DEFAULT_SYNC_INTERVAL_USEC (5*USEC_PER_MINUTE)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define DEFAULT_RATE_LIMIT_INTERVAL (30*USEC_PER_SEC)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define DEFAULT_RATE_LIMIT_BURST 1000

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define DEFAULT_MAX_FILE_USEC USEC_PER_MONTH

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic const char* const storage_table[_STORAGE_MAX] = {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [STORAGE_AUTO] = "auto",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [STORAGE_VOLATILE] = "volatile",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [STORAGE_PERSISTENT] = "persistent",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [STORAGE_NONE] = "none"

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek};

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-SzmekDEFINE_STRING_TABLE_LOOKUP(storage, Storage);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-SzmekDEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic const char* const split_mode_table[_SPLIT_MAX] = {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [SPLIT_LOGIN] = "login",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [SPLIT_UID] = "uid",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek [SPLIT_NONE] = "none",

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek};

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-SzmekDEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-SzmekDEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic uint64_t available_space(Server *s, bool verbose) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek char ids[33];

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek _cleanup_free_ char *p = NULL;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek sd_id128_t machine;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek struct statvfs ss;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek uint64_t sum = 0, ss_avail = 0, avail = 0;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek int r;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek _cleanup_closedir_ DIR *d = NULL;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek usec_t ts;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek const char *f;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek JournalMetrics *m;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek ts = now(CLOCK_MONOTONIC);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek && !verbose)

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek return s->cached_available_space;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek if (r < 0)

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek return 0;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek if (s->system_journal) {

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek f = "/var/log/journal/";

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek m = &s->system_metrics;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek } else {

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek f = "/run/log/journal/";

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek m = &s->runtime_metrics;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek assert(m);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek p = strappend(f, sd_id128_to_string(machine, ids));

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!p)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek d = opendir(p);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!d)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (fstatvfs(dirfd(d), &ss) < 0)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek for (;;) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek struct stat st;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek struct dirent *de;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek errno = 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek de = readdir(d);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!de && errno != 0)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek return 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!de)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek break;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!endswith(de->d_name, ".journal") &&

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek !endswith(de->d_name, ".journal~"))

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek continue;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek continue;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (!S_ISREG(st.st_mode))

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek continue;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek sum += (uint64_t) st.st_blocks * 512UL;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek ss_avail = ss.f_bsize * ss.f_bavail;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek /* If we reached a high mark, we will always allow this much

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (m->use < sum)

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek m->use = sum;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek avail = LESS_BY(ss_avail, m->keep_free);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek s->cached_available_space = LESS_BY(MIN(m->max_use, avail), sum);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = ts;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (verbose) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek char fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX];

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "%s journal is using %s (max allowed %s, "

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek "trying to leave %s free of %s available → current limit %s).",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek s->system_journal ? "Permanent" : "Runtime",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek format_bytes(fb1, sizeof(fb1), sum),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek format_bytes(fb2, sizeof(fb2), m->max_use),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek format_bytes(fb3, sizeof(fb3), m->keep_free),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek format_bytes(fb4, sizeof(fb4), ss_avail),

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek format_bytes(fb5, sizeof(fb5), s->cached_available_space + sum));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return s->cached_available_space;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekvoid server_fix_perms(Server *s, JournalFile *f, uid_t uid) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl_t acl;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl_entry_t entry;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl_permset_t permset;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = fchmod(f->fd, 0640);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_errno(r, "Failed to fix access mode on %s, ignoring: %m", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#ifdef HAVE_ACL

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (uid <= SYSTEM_UID_MAX)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl = acl_get_fd(f->fd);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!acl) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to read ACL on %s, ignoring: %m", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = acl_find_uid(acl, uid, &entry);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r <= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

b88a40a7e592e0a4a2e6e8eb1ed3721989ba5d0ePhilippe De Swert if (acl_create_entry(&acl, &entry) < 0 ||

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek acl_set_tag_type(entry, ACL_USER) < 0 ||

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek acl_set_qualifier(entry, &uid) < 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek goto finish;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek /* We do not recalculate the mask unconditionally here,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (acl_get_permset(entry, &permset) < 0 ||

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl_add_perm(permset, ACL_READ) < 0 ||

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek calc_acl_mask_if_needed(&acl) < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek goto finish;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (acl_set_fd(f->fd, acl) < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning_errno(errno, "Failed to set ACL on %s, ignoring: %m", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekfinish:

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek acl_free(acl);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic JournalFile* find_journal(Server *s, uid_t uid) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek _cleanup_free_ char *p = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek JournalFile *f;

799a8f39d8eb9ea725e85a598c0f5dbd658c8ba7Zbigniew Jędrzejewski-Szmek sd_id128_t machine;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek assert(s);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek /* We split up user logs only on /var, not on /run. If the

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (s->runtime_journal)

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek return s->runtime_journal;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (uid <= SYSTEM_UID_MAX)

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek return s->system_journal;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r < 0)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return s->system_journal;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek f = ordered_hashmap_get(s->user_journals, UINT32_TO_PTR(uid));

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (f)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return f;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-"UID_FMT".journal",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek SD_ID128_FORMAT_VAL(machine), uid) < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return s->system_journal;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek while (ordered_hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek /* Too many open? Then let's close one */

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek f = ordered_hashmap_steal_first(s->user_journals);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek journal_file_close(f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = journal_file_open_reliably(p, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return s->system_journal;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek server_fix_perms(s, f, uid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = ordered_hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek journal_file_close(f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return s->system_journal;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return f;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic int do_rotate(Server *s, JournalFile **f, const char* name,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek bool seal, uint32_t uid) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(s);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!*f)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return -EINVAL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = journal_file_rotate(f, s->compress, seal);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (*f)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to rotate %s: %m",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek (*f)->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to create new %s journal: %m",

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek name);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek server_fix_perms(s, *f, uid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekvoid server_rotate(Server *s) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek JournalFile *f;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek void *k;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek Iterator i;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_debug("Rotating...");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek do_rotate(s, &s->runtime_journal, "runtime", false, 0);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek do_rotate(s, &s->system_journal, "system", s->seal, 0);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek r = do_rotate(s, &f, "user", s->seal, PTR_TO_UINT32(k));

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek if (r >= 0)

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek ordered_hashmap_replace(s->user_journals, k, f);

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek else if (!f)

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek /* Old file has been closed and deallocated */

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek ordered_hashmap_remove(s->user_journals, k);

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek }

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek}

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmekvoid server_sync(Server *s) {

8201af08fa09c2bd0f005fbe262f27e2c5bd2d86Zbigniew Jędrzejewski-Szmek JournalFile *f;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek void *k;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek Iterator i;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (s->system_journal) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = journal_file_set_offline(s->system_journal);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to sync system journal: %m");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

e1ad6e245dcf63faa8f183063eb97678f4f9ac94Lukas Nykryn

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = journal_file_set_offline(f);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to sync user journal: %m");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (s->sync_event_source) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_OFF);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to disable sync timer source: %m");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek s->sync_scheduled = false;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekstatic void do_vacuum(Server *s, char *ids, JournalFile *f, const char* path,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek JournalMetrics *metrics) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek char *p;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int r;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (!f)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek p = strappenda(path, ids);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = journal_directory_vacuum(p, metrics->max_use, s->max_retention_usec, &s->oldest_file_usec, false);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0 && r != -ENOENT)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to vacuum %s: %m", p);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekvoid server_vacuum(Server *s) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek char ids[33];

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek sd_id128_t machine;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek int r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_debug("Vacuuming...");

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek s->oldest_file_usec = 0;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&machine);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r < 0) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to get machine ID: %m");

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek }

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek sd_id128_to_string(machine, ids);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek do_vacuum(s, ids, s->system_journal, "/var/log/journal/", &s->system_metrics);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek do_vacuum(s, ids, s->runtime_journal, "/run/log/journal/", &s->runtime_metrics);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek s->cached_available_space_timestamp = 0;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek}

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmekstatic void server_cache_machine_id(Server *s) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek sd_id128_t id;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek int r;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek assert(s);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek r = sd_id128_get_machine(&id);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r < 0)

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek return;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek sd_id128_to_string(id, stpcpy(s->machine_id_field, "_MACHINE_ID="));

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek}

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmekstatic void server_cache_boot_id(Server *s) {

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek sd_id128_t id;

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek int r;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(s);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = sd_id128_get_boot(&id);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r < 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sd_id128_to_string(id, stpcpy(s->boot_id_field, "_BOOT_ID="));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmekstatic void server_cache_hostname(Server *s) {

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek _cleanup_free_ char *t = NULL;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek char *x;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek assert(s);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek t = gethostname_malloc();

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek if (!t)

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek return;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek x = strappend("_HOSTNAME=", t);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek if (!x)

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek return;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek free(s->hostname_field);

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek s->hostname_field = x;

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek}

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmekbool shall_try_append_again(JournalFile *f, int r) {

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek /* -E2BIG Hit configured limit

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek if (r == -E2BIG || r == -EFBIG || r == -EDQUOT || r == -ENOSPC)

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_debug("%s: Allocation limit reached, rotating.", f->path);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek else if (r == -EHOSTDOWN)

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek log_info("%s: Journal file from other machine, rotating.", f->path);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek else if (r == -EBUSY)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_info("%s: Unclean shutdown, rotating.", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else if (r == -EPROTONOSUPPORT)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_info("%s: Unsupported feature, rotating.", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else if (r == -EBADMSG || r == -ENODATA || r == ESHUTDOWN)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek log_warning("%s: Journal file corrupted, rotating.", f->path);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek else

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return false;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return true;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekstatic void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek JournalFile *f;

5bc891206dd8eb4e4df58f502b0184b8426caf22Zbigniew Jędrzejewski-Szmek bool vacuumed = false;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(s);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(iovec);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(n > 0);

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek f = find_journal(s, uid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!f)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (journal_file_rotate_suggested(f, s->max_file_usec)) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek server_rotate(s);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek server_vacuum(s);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek vacuumed = true;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek f = find_journal(s, uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (!f)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek server_schedule_sync(s, priority);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (vacuumed || !shall_try_append_again(f, r)) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek size_t size = 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek unsigned i;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek for (i = 0; i < n; i++)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek size += iovec[i].iov_len;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to write entry (%d items, %zu bytes), ignoring: %m", n, size);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek server_rotate(s);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek server_vacuum(s);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek f = find_journal(s, uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (!f)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek return;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek log_debug("Retrying write.");

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek if (r < 0) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek size_t size = 0;

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek unsigned i;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek for (i = 0; i < n; i++)

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek size += iovec[i].iov_len;

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek log_error_errno(r, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n, size);

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek } else

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek server_schedule_sync(s, priority);

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek}

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmekstatic void dispatch_message_real(

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek Server *s,

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek struct iovec *iovec, unsigned n, unsigned m,

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek const struct ucred *ucred,

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek const struct timeval *tv,

36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek const char *label, size_t label_len,

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek const char *unit_id,

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek int priority,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek pid_t object_pid) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)],

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)],

50a0b0717563d08c027a16a896bff8d7754eab9eZbigniew Jędrzejewski-Szmek source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)],

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)],

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)],

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek uid_t object_uid;

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek gid_t object_gid;

1af719edc5958c01c19204fb68d6fc45c9eea85cZbigniew Jędrzejewski-Szmek char *x;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering int r;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering char *t, *c;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering uid_t realuid = 0, owner = 0, journal_uid;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering bool owner_valid = false;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering#ifdef HAVE_AUDIT

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)],

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering o_audit_session[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering o_audit_loginuid[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)];

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering uint32_t audit;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering uid_t loginuid;

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(s);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(iovec);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(n > 0);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (ucred) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek realuid = ucred->uid;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek sprintf(pid, "_PID="PID_FMT, ucred->pid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], pid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek sprintf(uid, "_UID="UID_FMT, ucred->uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek sprintf(gid, "_GID="GID_FMT, ucred->gid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], gid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = get_process_comm(ucred->pid, &t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek x = strappenda("_COMM=", t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek free(t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_exe(ucred->pid, &t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("_EXE=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_cmdline(ucred->pid, 0, false, &t);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering if (r >= 0) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek x = strappenda("_CMDLINE=", t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek free(t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = get_process_capeff(ucred->pid, &t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek x = strappenda("_CAP_EFFECTIVE=", t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek free(t);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#ifdef HAVE_AUDIT

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(ucred->pid, &audit);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(audit_session, "_AUDIT_SESSION=%"PRIu32, audit);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], audit_session);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = audit_loginuid_from_pid(ucred->pid, &loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(audit_loginuid, "_AUDIT_LOGINUID="UID_FMT, loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], audit_loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek char *session = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_CGROUP=", c);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek r = cg_path_get_session(c, &t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (r >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek session = strappenda("_SYSTEMD_SESSION=", t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek free(t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], session);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (cg_path_get_owner_uid(c, &owner) >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek owner_valid = true;

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek sprintf(owner_uid, "_SYSTEMD_OWNER_UID="UID_FMT, owner);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], owner_uid);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (cg_path_get_unit(c, &t) >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_UNIT=", t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek free(t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek } else if (unit_id && !session) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_UNIT=", unit_id);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek }

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (cg_path_get_user_unit(c, &t) >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_USER_UNIT=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek } else if (unit_id && session) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (cg_path_get_slice(c, &t) >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_SLICE=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(c);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek } else if (unit_id) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("_SYSTEMD_UNIT=", unit_id);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SELINUX

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (mac_selinux_use()) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (label) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek } else {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek security_context_t con;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (getpidcon(ucred->pid, &con) >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("_SELINUX_CONTEXT=", con);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek freecon(con);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek#endif

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(n <= m);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (object_pid) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_uid(object_pid, &object_uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek sprintf(o_uid, "OBJECT_UID="UID_FMT, object_uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_uid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_gid(object_pid, &object_gid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek sprintf(o_gid, "OBJECT_GID="GID_FMT, object_gid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_gid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_comm(object_pid, &t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_COMM=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering }

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering r = get_process_exe(object_pid, &t);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering if (r >= 0) {

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering x = strappenda("OBJECT_EXE=", t);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering free(t);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering IOVEC_SET_STRING(iovec[n++], x);

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering }

dad29dff1925a114e20d4eb7b47fca23c4f25fd7Lennart Poettering

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek r = get_process_cmdline(object_pid, 0, false, &t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (r >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_CMDLINE=", t);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek free(t);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek }

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#ifdef HAVE_AUDIT

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = audit_session_from_pid(object_pid, &audit);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%"PRIu32, audit);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_session);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = audit_loginuid_from_pid(object_pid, &loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID="UID_FMT, loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_audit_loginuid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek#endif

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek r = cg_pid_get_path_shifted(object_pid, s->cgroup_root, &c);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (r >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_CGROUP=", c);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek r = cg_path_get_session(c, &t);

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek if (r >= 0) {

7449bc1f34c206e3ff8e274cd74e2db950d492a1Zbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_SESSION=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (cg_path_get_owner_uid(c, &owner) >= 0) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID="UID_FMT, owner);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], o_owner_uid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (cg_path_get_unit(c, &t) >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_UNIT=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek if (cg_path_get_user_unit(c, &t) >= 0) {

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(t);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], x);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek free(c);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek assert(n <= m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (tv) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], source_time);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek /* Note that strictly speaking storing the boot id here is

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek if (!isempty(s->boot_id_field))

4015ac5c321f34784f73bd91ae9d7855ed663e5eLennart Poettering IOVEC_SET_STRING(iovec[n++], s->boot_id_field);

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek

29fc0ddcd737af906986d4029579d4dfe838ba02Zbigniew Jędrzejewski-Szmek if (!isempty(s->machine_id_field))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], s->machine_id_field);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!isempty(s->hostname_field))

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], s->hostname_field);

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(n <= m);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (s->split_mode == SPLIT_UID && realuid > 0)

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek /* Split up strictly by any UID */

a3152e7655231b94fa7b9582906fb86ab00b9c99Zbigniew Jędrzejewski-Szmek journal_uid = realuid;

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek else if (s->split_mode == SPLIT_LOGIN && realuid > 0 && owner_valid && owner > 0)

d71839afd88589247d8dd42b2b09d024f521749dZbigniew Jędrzejewski-Szmek /* Split up by login UIDs. We do this only if the

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek journal_uid = owner;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek else

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek journal_uid = 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek write_to_journal(s, journal_uid, iovec, n, priority);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek}

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmekvoid server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek char mid[11 + 32 + 1];

722b6795655149a68277b3cffeba711e1d440e5aZbigniew Jędrzejewski-Szmek char buffer[16 + LINE_MAX + 1];

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct iovec iovec[N_IOVEC_META_FIELDS + 4];

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek int n = 0;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek va_list ap;

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct ucred ucred = {};

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(s);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek assert(format);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek memcpy(buffer, "MESSAGE=", 8);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek va_start(ap, format);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek vsnprintf(buffer + 8, sizeof(buffer) - 8, format, ap);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek va_end(ap);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek char_array_0(buffer);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], buffer);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (!sd_id128_equal(message_id, SD_ID128_NULL)) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek char_array_0(mid);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek IOVEC_SET_STRING(iovec[n++], mid);

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek }

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ucred.pid = getpid();

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ucred.uid = getuid();

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek ucred.gid = getgid();

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek}

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmekvoid server_dispatch_message(

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek Server *s,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek struct iovec *iovec, unsigned n, unsigned m,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek const struct ucred *ucred,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek const struct timeval *tv,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek const char *label, size_t label_len,

eacbb4d33e2bb5c54311544851140efe3dd0f774Zbigniew Jędrzejewski-Szmek const char *unit_id,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int priority,

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek pid_t object_pid) {

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek int rl, r;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek _cleanup_free_ char *path = NULL;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek char *c;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering assert(s);

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering assert(iovec || n == 0);

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering

af4ec4309e8f82aad87a8d574785c12f8763d5f8Lennart Poettering if (n == 0)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek if (LOG_PRI(priority) > s->max_level_store)

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek return;

3d090cc6f34e5970765dd1e7ee5e648a056d180dZbigniew Jędrzejewski-Szmek

/* Stop early in case the information will not be stored

if (s->storage == STORAGE_NONE)

return;

if (!ucred)

goto finish;

r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &path);

if (r < 0)

goto finish;

/* example: /user/lennart/3/foobar

c = strchr(path, '/');

if (c) {

c = strchr(c+1, '/');

if (c) {

c = strchr(c+1, '/');

if (c)

*c = 0;

}

}

rl = journal_rate_limit_test(s->rate_limit, path,

priority & LOG_PRIMASK, available_space(s, false));

if (rl == 0)

return;

/* Write a suppression message if we suppressed something */

if (rl > 1)

server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,

"Suppressed %u messages from %s", rl - 1, path);

finish:

dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);

}

static int system_journal_open(Server *s, bool flush_requested) {

int r;

char *fn;

sd_id128_t machine;

char ids[33];

r = sd_id128_get_machine(&machine);

if (r < 0)

return log_error_errno(r, "Failed to get machine id: %m");

sd_id128_to_string(machine, ids);

if (!s->system_journal &&

(s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&

(flush_requested

|| access("/run/systemd/journal/flushed", F_OK) >= 0)) {

/* If in auto mode: first try to create the machine

if (s->storage == STORAGE_PERSISTENT)

(void) mkdir("/var/log/journal/", 0755);

fn = strappenda("/var/log/journal/", ids);

(void) mkdir(fn, 0755);

fn = strappenda(fn, "/system.journal");

r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);

if (r >= 0)

server_fix_perms(s, s->system_journal, 0);

else if (r < 0) {

if (r != -ENOENT && r != -EROFS)

log_warning_errno(r, "Failed to open system journal: %m");

r = 0;

}

}

if (!s->runtime_journal &&

(s->storage != STORAGE_NONE)) {

fn = strjoin("/run/log/journal/", ids, "/system.journal", NULL);

if (!fn)

return -ENOMEM;

if (s->system_journal) {

/* Try to open the runtime journal, but only

r = journal_file_open(fn, O_RDWR, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

free(fn);

if (r < 0) {

if (r != -ENOENT)

log_warning_errno(r, "Failed to open runtime journal: %m");

r = 0;

}

} else {

/* OK, we really need the runtime journal, so create

(void) mkdir("/run/log", 0755);

(void) mkdir("/run/log/journal", 0755);

(void) mkdir_parents(fn, 0750);

r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

free(fn);

if (r < 0)

return log_error_errno(r, "Failed to open runtime journal: %m");

}

if (s->runtime_journal)

server_fix_perms(s, s->runtime_journal, 0);

}

available_space(s, true);

return r;

}

int server_flush_to_var(Server *s) {

sd_id128_t machine;

sd_journal *j = NULL;

char ts[FORMAT_TIMESPAN_MAX];

usec_t start;

unsigned n = 0;

int r;

assert(s);

if (s->storage != STORAGE_AUTO &&

s->storage != STORAGE_PERSISTENT)

return 0;

if (!s->runtime_journal)

return 0;

system_journal_open(s, true);

if (!s->system_journal)

return 0;

log_debug("Flushing to /var...");

start = now(CLOCK_MONOTONIC);

r = sd_id128_get_machine(&machine);

if (r < 0)

return r;

r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);

if (r < 0)

return log_error_errno(r, "Failed to read runtime journal: %m");

sd_journal_set_data_threshold(j, 0);

SD_JOURNAL_FOREACH(j) {

Object *o = NULL;

JournalFile *f;

f = j->current_file;

assert(f && f->current_offset > 0);

n++;

r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);

if (r < 0) {

log_error_errno(r, "Can't read entry: %m");

goto finish;

}

r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

if (r >= 0)

continue;

if (!shall_try_append_again(s->system_journal, r)) {

log_error_errno(r, "Can't write entry: %m");

goto finish;

}

server_rotate(s);

server_vacuum(s);

if (!s->system_journal) {

log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");

r = -EIO;

goto finish;

}

log_debug("Retrying write.");

r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

if (r < 0) {

log_error_errno(r, "Can't write entry: %m");

goto finish;

}

}

finish:

journal_file_post_change(s->system_journal);

journal_file_close(s->runtime_journal);

s->runtime_journal = NULL;

if (r >= 0)

rm_rf("/run/log/journal", false, true, false);

sd_journal_close(j);

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);

return r;

}

int process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata) {

Server *s = userdata;

assert(s);

assert(fd == s->native_fd || fd == s->syslog_fd || fd == s->audit_fd);

if (revents != EPOLLIN) {

log_error("Got invalid event from epoll for datagram fd: %"PRIx32, revents);

return -EIO;

}

for (;;) {

struct ucred *ucred = NULL;

struct timeval *tv = NULL;

struct cmsghdr *cmsg;

char *label = NULL;

size_t label_len = 0;

struct iovec iovec;

union {

struct cmsghdr cmsghdr;

/* We use NAME_MAX space for the SELinux label

uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +

CMSG_SPACE(sizeof(struct timeval)) +

CMSG_SPACE(sizeof(int)) + /* fd */

CMSG_SPACE(NAME_MAX)]; /* selinux label */

} control = {};

union sockaddr_union sa = {};

struct msghdr msghdr = {

.msg_iov = &iovec,

.msg_iovlen = 1,

.msg_control = &control,

.msg_controllen = sizeof(control),

.msg_name = &sa,

.msg_namelen = sizeof(sa),

};

ssize_t n;

int *fds = NULL;

unsigned n_fds = 0;

int v = 0;

size_t m;

/* Try to get the right size, if we can. (Not all

(void) ioctl(fd, SIOCINQ, &v);

/* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful!*/

m = PAGE_ALIGN(MAX3((size_t) v + 1,

(size_t) LINE_MAX,

ALIGN(sizeof(struct nlmsghdr)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH)) + 1);

if (!GREEDY_REALLOC(s->buffer, s->buffer_size, m))

return log_oom();

iovec.iov_base = s->buffer;

iovec.iov_len = s->buffer_size - 1; /* Leave room for trailing NUL we add later */

n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);

if (n < 0) {

if (errno == EINTR || errno == EAGAIN)

return 0;

log_error_errno(errno, "recvmsg() failed: %m");

return -errno;

}

for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) {

if (cmsg->cmsg_level == SOL_SOCKET &&

cmsg->cmsg_type == SCM_CREDENTIALS &&

cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))

ucred = (struct ucred*) CMSG_DATA(cmsg);

else if (cmsg->cmsg_level == SOL_SOCKET &&

cmsg->cmsg_type == SCM_SECURITY) {

label = (char*) CMSG_DATA(cmsg);

label_len = cmsg->cmsg_len - CMSG_LEN(0);

} else if (cmsg->cmsg_level == SOL_SOCKET &&

cmsg->cmsg_type == SO_TIMESTAMP &&

cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))

tv = (struct timeval*) CMSG_DATA(cmsg);

else if (cmsg->cmsg_level == SOL_SOCKET &&

cmsg->cmsg_type == SCM_RIGHTS) {

fds = (int*) CMSG_DATA(cmsg);

n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);

}

}

/* And a trailing NUL, just in case */

s->buffer[n] = 0;

if (fd == s->syslog_fd) {

if (n > 0 && n_fds == 0)

server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);

else if (n_fds > 0)

log_warning("Got file descriptors via syslog socket. Ignoring.");

} else if (fd == s->native_fd) {

if (n > 0 && n_fds == 0)

server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);

else if (n == 0 && n_fds == 1)

server_process_native_file(s, fds[0], ucred, tv, label, label_len);

else if (n_fds > 0)

log_warning("Got too many file descriptors via native socket. Ignoring.");

} else {

assert(fd == s->audit_fd);

if (n > 0 && n_fds == 0)

server_process_audit_message(s, s->buffer, n, ucred, &sa, msghdr.msg_namelen);

else if (n_fds > 0)

log_warning("Got file descriptors via audit socket. Ignoring.");

}

close_many(fds, n_fds);

}

}

static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {

Server *s = userdata;

assert(s);

log_info("Received request to flush runtime journal from PID %"PRIu32, si->ssi_pid);

server_flush_to_var(s);

server_sync(s);

server_vacuum(s);

touch("/run/systemd/journal/flushed");

return 0;

}

static int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {

Server *s = userdata;

assert(s);

log_info("Received request to rotate journal from PID %"PRIu32, si->ssi_pid);

server_rotate(s);

server_vacuum(s);

return 0;

}

static int dispatch_sigterm(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {

Server *s = userdata;

assert(s);

log_received_signal(LOG_INFO, si);

sd_event_exit(s->event, 0);

return 0;

}

static int setup_signals(Server *s) {

sigset_t mask;

int r;

assert(s);

assert_se(sigemptyset(&mask) == 0);

sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1);

assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s);

if (r < 0)

return r;

r = sd_event_add_signal(s->event, &s->sigusr2_event_source, SIGUSR2, dispatch_sigusr2, s);

if (r < 0)

return r;

r = sd_event_add_signal(s->event, &s->sigterm_event_source, SIGTERM, dispatch_sigterm, s);

if (r < 0)

return r;

r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);

if (r < 0)

return r;

return 0;

}

static int server_parse_proc_cmdline(Server *s) {

_cleanup_free_ char *line = NULL;

const char *w, *state;

size_t l;

int r;

r = proc_cmdline(&line);

if (r < 0) {

log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");

return 0;

}

FOREACH_WORD_QUOTED(w, l, line, state) {

_cleanup_free_ char *word;

word = strndup(w, l);

if (!word)

return -ENOMEM;

if (startswith(word, "systemd.journald.forward_to_syslog=")) {

r = parse_boolean(word + 35);

if (r < 0)

log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);

else

s->forward_to_syslog = r;

} else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {

r = parse_boolean(word + 33);

if (r < 0)

log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);

else

s->forward_to_kmsg = r;

} else if (startswith(word, "systemd.journald.forward_to_console=")) {

r = parse_boolean(word + 36);

if (r < 0)

log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);

else

s->forward_to_console = r;

} else if (startswith(word, "systemd.journald.forward_to_wall=")) {

r = parse_boolean(word + 33);

if (r < 0)

log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33);

else

s->forward_to_wall = r;

} else if (startswith(word, "systemd.journald"))

log_warning("Invalid systemd.journald parameter. Ignoring.");

}

/* do not warn about state here, since probably systemd already did */

return 0;

}

static int server_parse_config_file(Server *s) {

assert(s);

return config_parse_many("/etc/systemd/journald.conf",

CONF_DIRS_NULSTR("systemd/journald.conf"),

"Journal\0",

config_item_perf_lookup, journald_gperf_lookup,

false, s);

}

static int server_dispatch_sync(sd_event_source *es, usec_t t, void *userdata) {

Server *s = userdata;