139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <sys/signalfd.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <sys/ioctl.h>

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt#include <linux/sockios.h>

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include <sys/statvfs.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <sys/mman.h>

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt#include <libudev.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <systemd/sd-journal.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <systemd/sd-messages.h>

3df3e884ae1237ef0d4d23b0e80f4ffda95ac135Ronny Chevalier#include <systemd/sd-daemon.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt#ifdef HAVE_LOGIND

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include <systemd/sd-login.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#endif

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt#include "fileio.h"

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen#include "mkdir.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "hashmap.h"

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include "journal-file.h"

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include "socket-util.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "cgroup-util.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "list.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "virt.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "missing.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "conf-parser.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "journal-internal.h"

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#include "journal-vacuum.h"

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include "journal-authenticate.h"

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include "journald-server.h"

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams#include "journald-rate-limit.h"

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt#include "journald-kmsg.h"

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt#include "journald-syslog.h"

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt#include "journald-stream.h"

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt#include "journald-console.h"

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt#include "journald-native.h"

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt#ifdef HAVE_ACL

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt#include <sys/acl.h>

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt#include <acl/libacl.h>

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt#include "acl-util.h"

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#endif

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#ifdef HAVE_SELINUX

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#include <selinux/selinux.h>

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#endif

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen#define USER_JOURNALS_MAX 1024

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#define DEFAULT_RATE_LIMIT_INTERVAL (10*USEC_PER_SEC)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt#define DEFAULT_RATE_LIMIT_BURST 200

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt#define RECHECK_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flyktstatic const char* const storage_table[] = {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt [STORAGE_AUTO] = "auto",

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt [STORAGE_VOLATILE] = "volatile",

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt [STORAGE_PERSISTENT] = "persistent",

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt [STORAGE_NONE] = "none"

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt};

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik FlyktDEFINE_STRING_TABLE_LOOKUP(storage, Storage);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik FlyktDEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flyktstatic const char* const split_mode_table[] = {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt [SPLIT_NONE] = "none",

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt [SPLIT_UID] = "uid",

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt [SPLIT_LOGIN] = "login"

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt};

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik FlyktDEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik FlyktDEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flyktstatic uint64_t available_space(Server *s) {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt char ids[33];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char _cleanup_free_ *p = NULL;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt const char *f;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt sd_id128_t machine;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct statvfs ss;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt uint64_t sum = 0, avail = 0, ss_avail = 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt int r;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt DIR _cleanup_closedir_ *d = NULL;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt usec_t ts;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt JournalMetrics *m;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt ts = now(CLOCK_MONOTONIC);

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts)

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt return s->cached_available_space;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt r = sd_id128_get_machine(&machine);

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt if (r < 0)

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt return 0;

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (s->system_journal) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt f = "/var/log/journal/";

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt m = &s->system_metrics;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt } else {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt f = "/run/log/journal/";

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt m = &s->runtime_metrics;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt assert(m);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt p = strappend(f, sd_id128_to_string(machine, ids));

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (!p)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt d = opendir(p);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (!d)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (fstatvfs(dirfd(d), &ss) < 0)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams for (;;) {

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams struct stat st;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt struct dirent *de;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt union dirent_storage buf;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams r = readdir_r(d, &buf.de, &de);

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams if (r != 0)

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams break;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams if (!de)

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams break;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (!endswith(de->d_name, ".journal") &&

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams !endswith(de->d_name, ".journal~"))

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams continue;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams continue;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams if (!S_ISREG(st.st_mode))

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams continue;

76253e73f9c9c24fec755e485516f3b55d0707b4Dan Williams

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt sum += (uint64_t) st.st_blocks * 512UL;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt avail = sum >= m->max_use ? 0 : m->max_use - sum;

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller ss_avail = ss.f_bsize * ss.f_bavail;

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller ss_avail = ss_avail < m->keep_free ? 0 : ss_avail - m->keep_free;

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller if (ss_avail < avail)

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller avail = ss_avail;

ebe207d4acf38165adbc45298662982eecdb9e9fTom Gundersen

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams s->cached_available_space = avail;

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams s->cached_available_space_timestamp = ts;

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams return avail;

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams}

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersenstatic void server_read_file_gid(Server *s) {

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen const char *adm = "adm";

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen int r;

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen assert(s);

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen if (s->file_gid_valid)

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen return;

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen r = get_group_creds(&adm, &s->file_gid);

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen if (r < 0)

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen log_warning("Failed to resolve 'adm' group: %s", strerror(-r));

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen /* if we couldn't read the gid, then it will be 0, but that's

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen s->file_gid_valid = true;

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen}

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersenvoid server_fix_perms(Server *s, JournalFile *f, uid_t uid) {

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen int r;

fe4b2156256c5bdf52341576571ce9f095d9f085Tom Gundersen#ifdef HAVE_ACL

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen acl_t acl;

ebe207d4acf38165adbc45298662982eecdb9e9fTom Gundersen acl_entry_t entry;

764aad6258eec3bd4ae62ea341ea507bd69ce628Tom Gundersen acl_permset_t permset;

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams#endif

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams assert(f);

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt server_read_file_gid(s);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt r = fchmod_and_fchown(f->fd, 0640, 0, s->file_gid);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (r < 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_warning("Failed to fix access mode/rights on %s, ignoring: %s", f->path, strerror(-r));

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt#ifdef HAVE_ACL

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (uid <= 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt acl = acl_get_fd(f->fd);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (!acl) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_warning("Failed to read ACL on %s, ignoring: %m", f->path);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt r = acl_find_uid(acl, uid, &entry);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (r <= 0) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (acl_create_entry(&acl, &entry) < 0 ||

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt acl_set_tag_type(entry, ACL_USER) < 0 ||

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt acl_set_qualifier(entry, &uid) < 0) {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt log_warning("Failed to patch ACL on %s, ignoring: %m", f->path);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt goto finish;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt }

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt }

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (acl_get_permset(entry, &permset) < 0 ||

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt acl_add_perm(permset, ACL_READ) < 0 ||

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt acl_calc_mask(&acl) < 0) {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt log_warning("Failed to patch ACL on %s, ignoring: %m", f->path);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt goto finish;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt }

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (acl_set_fd(f->fd, acl) < 0)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt log_warning("Failed to set ACL on %s, ignoring: %m", f->path);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flyktfinish:

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt acl_free(acl);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt#endif

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt}

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flyktstatic JournalFile* find_journal(Server *s, uid_t uid) {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt char *p;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt int r;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt JournalFile *f;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt sd_id128_t machine;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt assert(s);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt /* We split up user logs only on /var, not on /run. If the

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt if (s->runtime_journal)

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt return s->runtime_journal;

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt if (uid <= 0)

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt return s->system_journal;

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt

ea3b3a75abb3f8b853f7da454b9b8e258a120eeaPatrik Flykt r = sd_id128_get_machine(&machine);

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt if (r < 0)

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt return s->system_journal;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt f = hashmap_get(s->user_journals, UINT32_TO_PTR(uid));

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (f)

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek return f;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-%lu.journal",

4e3e6679e8f73b83d38e4b20d8b025e12991d1cbPatrik Flykt SD_ID128_FORMAT_VAL(machine), (unsigned long) uid) < 0)

4e3e6679e8f73b83d38e4b20d8b025e12991d1cbPatrik Flykt return s->system_journal;

4e3e6679e8f73b83d38e4b20d8b025e12991d1cbPatrik Flykt

4e3e6679e8f73b83d38e4b20d8b025e12991d1cbPatrik Flykt while (hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {

4e3e6679e8f73b83d38e4b20d8b025e12991d1cbPatrik Flykt /* Too many open? Then let's close one */

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt f = hashmap_steal_first(s->user_journals);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt assert(f);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt journal_file_close(f);

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek }

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt r = journal_file_open_reliably(p, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, s->system_journal, &f);

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt free(p);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt if (r < 0)

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt return s->system_journal;

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt server_fix_perms(s, f, uid);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt r = hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (r < 0) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt journal_file_close(f);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt return s->system_journal;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return f;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt}

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flyktvoid server_rotate(Server *s) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt JournalFile *f;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt void *k;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt Iterator i;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt int r;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_debug("Rotating...");

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt if (s->runtime_journal) {

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt r = journal_file_rotate(&s->runtime_journal, s->compress, false);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (r < 0)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (s->runtime_journal)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt log_error("Failed to rotate %s: %s", s->runtime_journal->path, strerror(-r));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt log_error("Failed to create new runtime journal: %s", strerror(-r));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt server_fix_perms(s, s->runtime_journal, 0);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt }

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (s->system_journal) {

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt r = journal_file_rotate(&s->system_journal, s->compress, s->seal);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (r < 0)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (s->system_journal)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt log_error("Failed to rotate %s: %s", s->system_journal->path, strerror(-r));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt log_error("Failed to create new system journal: %s", strerror(-r));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt server_fix_perms(s, s->system_journal, 0);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt }

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt r = journal_file_rotate(&f, s->compress, s->seal);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (r < 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (f)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_error("Failed to rotate %s: %s", f->path, strerror(-r));

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt else

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_error("Failed to create user journal: %s", strerror(-r));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt hashmap_replace(s->user_journals, k, f);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt server_fix_perms(s, f, PTR_TO_UINT32(k));

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt }

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt }

926695f1b5f9395eeb416cc2f478a9cf75fdbeb4Thomas Hindoe Paaboel Andersen}

926695f1b5f9395eeb416cc2f478a9cf75fdbeb4Thomas Hindoe Paaboel Andersen

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flyktvoid server_vacuum(Server *s) {

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt char *p;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt char ids[33];

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt sd_id128_t machine;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt int r;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt log_debug("Vacuuming...");

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt s->oldest_file_usec = 0;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt r = sd_id128_get_machine(&machine);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (r < 0) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt log_error("Failed to get machine ID: %s", strerror(-r));

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt return;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt }

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt sd_id128_to_string(machine, ids);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt if (s->system_journal) {

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt p = strappend("/var/log/journal/", ids);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt if (!p) {

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt log_oom();

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt return;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt }

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt r = journal_directory_vacuum(p, s->system_metrics.max_use, s->system_metrics.keep_free, s->max_retention_usec, &s->oldest_file_usec);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (r < 0 && r != -ENOENT)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt log_error("Failed to vacuum %s: %s", p, strerror(-r));

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt free(p);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt }

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (s->runtime_journal) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt p = strappend("/run/log/journal/", ids);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (!p) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt log_oom();

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt return;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt r = journal_directory_vacuum(p, s->runtime_metrics.max_use, s->runtime_metrics.keep_free, s->max_retention_usec, &s->oldest_file_usec);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (r < 0 && r != -ENOENT)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt log_error("Failed to vacuum %s: %s", p, strerror(-r));

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt free(p);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt }

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt s->cached_available_space_timestamp = 0;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt}

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Hallerstatic char *shortened_cgroup_path(pid_t pid) {

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt int r;

66eac1201a9c1596f5901f8dbbf24bda7e350878Dan Williams char _cleanup_free_ *process_path = NULL, *init_path = NULL;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt char *path;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt assert(pid > 0);

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, pid, &process_path);

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (r < 0)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt return NULL;

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, 1, &init_path);

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (r < 0)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt return NULL;

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (endswith(init_path, "/system"))

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt init_path[strlen(init_path) - 7] = 0;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt else if (streq(init_path, "/"))

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt init_path[0] = 0;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (startswith(process_path, init_path)) {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt path = strdup(process_path + strlen(init_path));

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt } else {

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt path = process_path;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt process_path = NULL;

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt }

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt return path;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt}

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flyktbool shall_try_append_again(JournalFile *f, int r) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt /* -E2BIG Hit configured limit

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (r == -E2BIG || r == -EFBIG || r == -EDQUOT || r == -ENOSPC)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_debug("%s: Allocation limit reached, rotating.", f->path);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt else if (r == -EHOSTDOWN)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_info("%s: Journal file from other machine, rotating.", f->path);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt else if (r == -EBUSY)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_info("%s: Unclean shutdown, rotating.", f->path);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt else if (r == -EPROTONOSUPPORT)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_info("%s: Unsupported feature, rotating.", f->path);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt else if (r == -EBADMSG || r == -ENODATA || r == ESHUTDOWN)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_warning("%s: Journal file corrupted, rotating.", f->path);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt else

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return false;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return true;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt}

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flyktstatic void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt JournalFile *f;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt bool vacuumed = false;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt int r;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt assert(s);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt assert(iovec);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt assert(n > 0);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt f = find_journal(s, uid);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (!f)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt return;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (journal_file_rotate_suggested(f, s->max_file_usec)) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt server_rotate(s);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt server_vacuum(s);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt vacuumed = true;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt f = find_journal(s, uid);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (!f)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt return;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt }

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (r >= 0)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt return;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (vacuumed || !shall_try_append_again(f, r)) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt log_error("Failed to write entry, ignoring: %s", strerror(-r));

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt return;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt server_rotate(s);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt server_vacuum(s);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

4b4923e65423e60d755841b5b264730e8f3deab3Tom Gundersen f = find_journal(s, uid);

5e91345094a9e983e7abb2313334e7808bcd2cc2Tom Gundersen if (!f)

513a6fa8679510ea1b55967bdb482dd5f8a39f21Ronny Chevalier return;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt log_debug("Retrying write.");

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (r < 0)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt log_error("Failed to write entry, ignoring: %s", strerror(-r));

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt}

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flyktstatic void dispatch_message_real(

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt Server *s,

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt struct iovec *iovec, unsigned n, unsigned m,

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt struct ucred *ucred,

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt struct timeval *tv,

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt const char *label, size_t label_len,

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt const char *unit_id) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt char _cleanup_free_ *pid = NULL, *uid = NULL, *gid = NULL,

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt *source_time = NULL, *boot_id = NULL, *machine_id = NULL,

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt *comm = NULL, *cmdline = NULL, *hostname = NULL,

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt *audit_session = NULL, *audit_loginuid = NULL,

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt *exe = NULL, *cgroup = NULL, *session = NULL,

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt *owner_uid = NULL, *unit = NULL, *selinux_context = NULL;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt char idbuf[33];

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt sd_id128_t id;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt int r;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt char *t;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt uid_t realuid = 0, owner = 0, journal_uid;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt bool owner_valid = false;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt assert(s);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt assert(iovec);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt assert(n > 0);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt assert(n + N_IOVEC_META_FIELDS <= m);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt if (ucred) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt uint32_t audit;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt uid_t loginuid;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt realuid = ucred->uid;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (asprintf(&pid, "_PID=%lu", (unsigned long) ucred->pid) >= 0)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt IOVEC_SET_STRING(iovec[n++], pid);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (asprintf(&uid, "_UID=%lu", (unsigned long) ucred->uid) >= 0)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt IOVEC_SET_STRING(iovec[n++], uid);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (asprintf(&gid, "_GID=%lu", (unsigned long) ucred->gid) >= 0)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt IOVEC_SET_STRING(iovec[n++], gid);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt r = get_process_comm(ucred->pid, &t);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (r >= 0) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt comm = strappend("_COMM=", t);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt free(t);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (comm)

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt IOVEC_SET_STRING(iovec[n++], comm);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt }

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt r = get_process_exe(ucred->pid, &t);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt if (r >= 0) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt exe = strappend("_EXE=", t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt free(t);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (exe)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], exe);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt r = get_process_cmdline(ucred->pid, 0, false, &t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (r >= 0) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt cmdline = strappend("_CMDLINE=", t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt free(t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen if (cmdline)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], cmdline);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt r = audit_session_from_pid(ucred->pid, &audit);

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (r >= 0)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt if (asprintf(&audit_session, "_AUDIT_SESSION=%lu", (unsigned long) audit) >= 0)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt IOVEC_SET_STRING(iovec[n++], audit_session);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt r = audit_loginuid_from_pid(ucred->pid, &loginuid);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (r >= 0)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (asprintf(&audit_loginuid, "_AUDIT_LOGINUID=%lu", (unsigned long) loginuid) >= 0)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt IOVEC_SET_STRING(iovec[n++], audit_loginuid);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt t = shortened_cgroup_path(ucred->pid);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (t) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt cgroup = strappend("_SYSTEMD_CGROUP=", t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt free(t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (cgroup)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], cgroup);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#ifdef HAVE_LOGIND

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (sd_pid_get_session(ucred->pid, &t) >= 0) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt session = strappend("_SYSTEMD_SESSION=", t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt free(t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen if (session)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], session);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (sd_pid_get_owner_uid(ucred->uid, &owner) >= 0) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt owner_valid = true;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (asprintf(&owner_uid, "_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner) >= 0)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], owner_uid);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#endif

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (cg_pid_get_unit(ucred->pid, &t) >= 0) {

356779df90a2ecab5da2cb310ad0f8ebc9ca9f46Lennart Poettering unit = strappend("_SYSTEMD_UNIT=", t);

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen free(t);

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen } else if (cg_pid_get_user_unit(ucred->pid, &t) >= 0) {

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen unit = strappend("_SYSTEMD_USER_UNIT=", t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt free(t);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt } else if (unit_id) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (session)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt unit = strappend("_SYSTEMD_USER_UNIT=", unit_id);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt else

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt unit = strappend("_SYSTEMD_UNIT=", unit_id);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (unit)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], unit);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#ifdef HAVE_SELINUX

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (label) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt selinux_context = malloc(sizeof("_SELINUX_CONTEXT=") + label_len);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (selinux_context) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt *((char*) mempcpy(stpcpy(selinux_context, "_SELINUX_CONTEXT="), label, label_len)) = 0;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], selinux_context);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen } else {

356779df90a2ecab5da2cb310ad0f8ebc9ca9f46Lennart Poettering security_context_t con;

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen if (getpidcon(ucred->pid, &con) >= 0) {

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt selinux_context = strappend("_SELINUX_CONTEXT=", con);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt if (selinux_context)

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt IOVEC_SET_STRING(iovec[n++], selinux_context);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt freecon(con);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt#endif

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt if (tv) {

cfb5b3805759e63dc5e0cae6e92e1df885b5c5b6Tom Gundersen if (asprintf(&source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu",

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt (unsigned long long) timeval_load(tv)) >= 0)

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt IOVEC_SET_STRING(iovec[n++], source_time);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt }

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt /* Note that strictly speaking storing the boot id here is

cfb5b3805759e63dc5e0cae6e92e1df885b5c5b6Tom Gundersen r = sd_id128_get_boot(&id);

cfb5b3805759e63dc5e0cae6e92e1df885b5c5b6Tom Gundersen if (r >= 0)

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt if (asprintf(&boot_id, "_BOOT_ID=%s", sd_id128_to_string(id, idbuf)) >= 0)

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt IOVEC_SET_STRING(iovec[n++], boot_id);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt r = sd_id128_get_machine(&id);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r >= 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (asprintf(&machine_id, "_MACHINE_ID=%s", sd_id128_to_string(id, idbuf)) >= 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], machine_id);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

44481a8b537839cd9ffead4d261491641f5b5260Zbigniew Jędrzejewski-Szmek t = gethostname_malloc();

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (t) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt hostname = strappend("_HOSTNAME=", t);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt free(t);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (hostname)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], hostname);

44481a8b537839cd9ffead4d261491641f5b5260Zbigniew Jędrzejewski-Szmek }

44481a8b537839cd9ffead4d261491641f5b5260Zbigniew Jędrzejewski-Szmek

44481a8b537839cd9ffead4d261491641f5b5260Zbigniew Jędrzejewski-Szmek assert(n <= m);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (s->split_mode == SPLIT_UID && realuid > 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt /* Split up strictly by any UID */

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt journal_uid = realuid;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt else if (s->split_mode == SPLIT_LOGIN && realuid > 0 && owner_valid && owner > 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt /* Split up by login UIDs, this avoids creation of

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt journal_uid = owner;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt else

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt journal_uid = 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt write_to_journal(s, journal_uid, iovec, n);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt}

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flyktvoid server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char mid[11 + 32 + 1];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char buffer[16 + LINE_MAX + 1];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct iovec iovec[N_IOVEC_META_FIELDS + 4];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt int n = 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt va_list ap;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct ucred ucred;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt assert(s);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt assert(format);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt memcpy(buffer, "MESSAGE=", 8);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt va_start(ap, format);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt vsnprintf(buffer + 8, sizeof(buffer) - 8, format, ap);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt va_end(ap);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char_array_0(buffer);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], buffer);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!sd_id128_equal(message_id, SD_ID128_NULL)) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt snprintf(mid, sizeof(mid), MESSAGE_ID(message_id));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char_array_0(mid);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt IOVEC_SET_STRING(iovec[n++], mid);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt zero(ucred);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt ucred.pid = getpid();

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt ucred.uid = getuid();

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt ucred.gid = getgid();

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt}

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flyktvoid server_dispatch_message(

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt Server *s,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct iovec *iovec, unsigned n, unsigned m,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct ucred *ucred,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt struct timeval *tv,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt const char *label, size_t label_len,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt const char *unit_id,

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt int priority) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt int rl;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt char _cleanup_free_ *path = NULL;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt char *c;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt assert(s);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt assert(iovec || n == 0);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (n == 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (LOG_PRI(priority) > s->max_level_store)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!ucred)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt goto finish;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt path = shortened_cgroup_path(ucred->pid);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!path)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt goto finish;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt /* example: /user/lennart/3/foobar

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt c = strchr(path, '/');

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (c) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt c = strchr(c+1, '/');

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (c) {

c47e8936a43ce546e8a74fa569e9fbfae6c64be7Patrik Flykt c = strchr(c+1, '/');

c47e8936a43ce546e8a74fa569e9fbfae6c64be7Patrik Flykt if (c)

c47e8936a43ce546e8a74fa569e9fbfae6c64be7Patrik Flykt *c = 0;

c47e8936a43ce546e8a74fa569e9fbfae6c64be7Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt rl = journal_rate_limit_test(s->rate_limit, path,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt priority & LOG_PRIMASK, available_space(s));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (rl == 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt /* Write a suppression message if we suppressed something */

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (rl > 1)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt "Suppressed %u messages from %s", rl - 1, path);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flyktfinish:

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt}

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flyktstatic int system_journal_open(Server *s) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt int r;

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt char *fn;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt sd_id128_t machine;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt char ids[33];

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt r = sd_id128_get_machine(&machine);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (r < 0)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return r;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt sd_id128_to_string(machine, ids);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (!s->system_journal &&

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt access("/run/systemd/journal/flushed", F_OK) >= 0) {

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt /* If in auto mode: first try to create the machine

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt if (s->storage == STORAGE_PERSISTENT)

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt (void) mkdir("/var/log/journal/", 0755);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

5364f729ba9616cd9fdab8d5413fbc25a1af3a57Lennart Poettering fn = strappend("/var/log/journal/", ids);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (!fn)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return -ENOMEM;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt (void) mkdir(fn, 0755);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt free(fn);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt fn = strjoin("/var/log/journal/", ids, "/system.journal", NULL);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (!fn)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return -ENOMEM;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt free(fn);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r >= 0) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt char fb[FORMAT_BYTES_MAX];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt server_fix_perms(s, s->system_journal, 0);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt server_driver_message(s, SD_ID128_NULL, "Allowing system journal files to grow to %s.",

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt format_bytes(fb, sizeof(fb), s->system_metrics.max_use));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt } else if (r < 0) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r != -ENOENT && r != -EROFS)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt log_warning("Failed to open system journal: %s", strerror(-r));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt r = 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!s->runtime_journal &&

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt (s->storage != STORAGE_NONE)) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt fn = strjoin("/run/log/journal/", ids, "/system.journal", NULL);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (!fn)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return -ENOMEM;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (s->system_journal) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt /* Try to open the runtime journal, but only

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt r = journal_file_open(fn, O_RDWR, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt free(fn);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r < 0) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r != -ENOENT)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt log_warning("Failed to open runtime journal: %s", strerror(-r));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt r = 0;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt } else {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt /* OK, we really need the runtime journal, so create

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt (void) mkdir_parents(fn, 0755);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt free(fn);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r < 0) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt log_error("Failed to open runtime journal: %s", strerror(-r));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return r;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (s->runtime_journal) {

6ec60d20724d2a32e20d25ef75d2af178c242bc2Ronny Chevalier char fb[FORMAT_BYTES_MAX];

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt server_fix_perms(s, s->runtime_journal, 0);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt server_driver_message(s, SD_ID128_NULL, "Allowing runtime journal files to grow to %s.",

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt format_bytes(fb, sizeof(fb), s->runtime_metrics.max_use));

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt }

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return r;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt}

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flyktint server_flush_to_var(Server *s) {

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt int r;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt sd_id128_t machine;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt sd_journal *j = NULL;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt assert(s);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (s->storage != STORAGE_AUTO &&

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt s->storage != STORAGE_PERSISTENT)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!s->runtime_journal)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt system_journal_open(s);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (!s->system_journal)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt return 0;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt log_debug("Flushing to /var...");

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt r = sd_id128_get_machine(&machine);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (r < 0) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_error("Failed to get machine id: %s", strerror(-r));

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return r;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (r < 0) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_error("Failed to read runtime journal: %s", strerror(-r));

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return r;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt sd_journal_set_data_threshold(j, 0);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt SD_JOURNAL_FOREACH(j) {

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt Object *o = NULL;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt JournalFile *f;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt f = j->current_file;

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt assert(f && f->current_offset > 0);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

ed6ee21953dac9c78383da00bc4514ece6b75ab5Patrik Flykt r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt if (r < 0) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt log_error("Can't read entry: %s", strerror(-r));

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt goto finish;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (r >= 0)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt continue;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (!shall_try_append_again(s->system_journal, r)) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_error("Can't write entry: %s", strerror(-r));

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt goto finish;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt server_rotate(s);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt server_vacuum(s);

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_debug("Retrying write.");

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (r < 0) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_error("Can't write entry: %s", strerror(-r));

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt goto finish;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flyktfinish:

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt journal_file_post_change(s->system_journal);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt journal_file_close(s->runtime_journal);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt s->runtime_journal = NULL;

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt if (r >= 0)

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt rm_rf("/run/log/journal", false, true, false);

631bbe71298ec892f77f44f94feb612646fe6853Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (j)

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt sd_journal_close(j);

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt return r;

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt}

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flyktint process_event(Server *s, struct epoll_event *ev) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt assert(s);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt assert(ev);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt if (ev->data.fd == s->signal_fd) {

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt struct signalfd_siginfo sfsi;

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt ssize_t n;

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt if (ev->events != EPOLLIN) {

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt log_error("Got invalid event from epoll.");

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt return -EIO;

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt }

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt n = read(s->signal_fd, &sfsi, sizeof(sfsi));

38a03f06a7393d2721c23f23f0589d2f6d0904afLennart Poettering if (n != sizeof(sfsi)) {

38a03f06a7393d2721c23f23f0589d2f6d0904afLennart Poettering

38a03f06a7393d2721c23f23f0589d2f6d0904afLennart Poettering if (n >= 0)

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt return -EIO;

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt if (errno == EINTR || errno == EAGAIN)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return 1;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt return -errno;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen log_info("Received SIG%s", signal_to_string(sfsi.ssi_signo));

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (sfsi.ssi_signo == SIGUSR1) {

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt touch("/run/systemd/journal/flushed");

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt server_flush_to_var(s);

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt return 1;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt if (sfsi.ssi_signo == SIGUSR2) {

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt server_rotate(s);

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt server_vacuum(s);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return 1;

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt }

7246333cb803b03440d3bd0bdaa233564d09b5aePatrik Flykt

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt return 0;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt } else if (ev->data.fd == s->dev_kmsg_fd) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt int r;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (ev->events != EPOLLIN) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_error("Got invalid event from epoll.");

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return -EIO;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt r = server_read_dev_kmsg(s);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (r < 0)

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return r;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return 1;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt } else if (ev->data.fd == s->native_fd ||

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt ev->data.fd == s->syslog_fd) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (ev->events != EPOLLIN) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_error("Got invalid event from epoll.");

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return -EIO;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt for (;;) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct msghdr msghdr;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct iovec iovec;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct ucred *ucred = NULL;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct timeval *tv = NULL;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct cmsghdr *cmsg;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt char *label = NULL;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt size_t label_len = 0;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt union {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt struct cmsghdr cmsghdr;

356779df90a2ecab5da2cb310ad0f8ebc9ca9f46Lennart Poettering

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen /* We use NAME_MAX space for the

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt CMSG_SPACE(sizeof(struct timeval)) +

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt CMSG_SPACE(sizeof(int)) + /* fd */

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen CMSG_SPACE(NAME_MAX)]; /* selinux label */

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt } control;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt ssize_t n;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt int v;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt int *fds = NULL;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt unsigned n_fds = 0;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt if (ioctl(ev->data.fd, SIOCINQ, &v) < 0) {

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt log_error("SIOCINQ failed: %m");

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt return -errno;

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt }

356779df90a2ecab5da2cb310ad0f8ebc9ca9f46Lennart Poettering

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen if (s->buffer_size < (size_t) v) {

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen void *b;

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen size_t l;

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt

3dc34fcc97b41f8b7b019027225b121dfbb9871dPatrik Flykt l = MAX(LINE_MAX + (size_t) v, s->buffer_size * 2);

a34b57c0d43b8bf819ccd4f62c314b41b625454dPatrik Flykt b = realloc(s->buffer, l+1);

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt

a9aff3615b430f86bd0a824214d95f634efaf894Patrik Flykt if (!b) {

c3e2adeaba8e043caed0ef139eeaea016bd152d0Patrik Flykt log_error("Couldn't increase buffer.");

346e13a25dc6f76d3bc9d8decd40dc4782b02d2aPatrik Flykt return -ENOMEM;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

fa94c34b083b5b4019975624453e53d0cbad2a5dTom Gundersen s->buffer_size = l;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt s->buffer = b;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt }

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt zero(iovec);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt iovec.iov_base = s->buffer;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt iovec.iov_len = s->buffer_size;

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt zero(control);

d1b0afe3653b4316a6361d204169620726d468a0Patrik Flykt zero(msghdr);

356779df90a2ecab5da2cb310ad0f8ebc9ca9f46Lennart Poettering msghdr.msg_iov = &iovec;

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen msghdr.msg_iovlen = 1;

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen msghdr.msg_control = &control;

9021bb9f935c93b516b10c88db2a212a9e3a8140Tom Gundersen msghdr.msg_controllen = sizeof(control);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt n = recvmsg(ev->data.fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt if (n < 0) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (errno == EINTR || errno == EAGAIN)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 1;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_error("recvmsg() failed: %m");

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return -errno;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (cmsg->cmsg_level == SOL_SOCKET &&

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt cmsg->cmsg_type == SCM_CREDENTIALS &&

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt ucred = (struct ucred*) CMSG_DATA(cmsg);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt else if (cmsg->cmsg_level == SOL_SOCKET &&

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt cmsg->cmsg_type == SCM_SECURITY) {

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek label = (char*) CMSG_DATA(cmsg);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt label_len = cmsg->cmsg_len - CMSG_LEN(0);

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt } else if (cmsg->cmsg_level == SOL_SOCKET &&

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt cmsg->cmsg_type == SO_TIMESTAMP &&

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt tv = (struct timeval*) CMSG_DATA(cmsg);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt else if (cmsg->cmsg_level == SOL_SOCKET &&

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt cmsg->cmsg_type == SCM_RIGHTS) {

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller fds = (int*) CMSG_DATA(cmsg);

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller }

cc22955cfefb4bd6e7a135f1ec95fb5a07ba9ce3Thomas Haller }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (ev->data.fd == s->syslog_fd) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt char *e;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (n > 0 && n_fds == 0) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt e = memchr(s->buffer, '\n', n);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (e)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt *e = 0;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt else

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt s->buffer[n] = 0;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt } else if (n_fds > 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_warning("Got file descriptors via syslog socket. Ignoring.");

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt } else {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (n > 0 && n_fds == 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt else if (n == 0 && n_fds == 1)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt server_process_native_file(s, fds[0], ucred, tv, label, label_len);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt else if (n_fds > 0)

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_warning("Got too many file descriptors via native socket. Ignoring.");

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt close_many(fds, n_fds);

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt }

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return 1;

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt } else if (ev->data.fd == s->stdout_fd) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt if (ev->events != EPOLLIN) {

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt log_error("Got invalid event from epoll.");

bbfa43ca37df0718287c25a8e39ee7477ebf33f6Patrik Flykt return -EIO;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt stdout_stream_new(s);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 1;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt } else {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt StdoutStream *stream;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if ((ev->events|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_error("Got invalid event from epoll.");

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return -EIO;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt /* If it is none of the well-known fds, it must be an

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt stream = ev->data.ptr;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (stdout_stream_process(stream) <= 0)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt stdout_stream_free(stream);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 1;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_error("Unknown event.");

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt}

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flyktstatic int open_signalfd(Server *s) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt sigset_t mask;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt struct epoll_event ev;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt assert(s);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt assert_se(sigemptyset(&mask) == 0);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt s->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (s->signal_fd < 0) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_error("signalfd(): %m");

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return -errno;

f0c4b1c3fd827b429ba36aa45fd39e0a023cbf2cTom Gundersen }

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt zero(ev);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt ev.events = EPOLLIN;

62e3d1aed512d68cab1fc9b509e813a1fa2b3790Lennart Poettering ev.data.fd = s->signal_fd;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, s->signal_fd, &ev) < 0) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_error("epoll_ctl(): %m");

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return -errno;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt}

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flyktstatic int server_parse_proc_cmdline(Server *s) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt char _cleanup_free_ *line = NULL;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt char *w, *state;

3f0c075f8ef3344da5a6bda524540201f9204e61Patrik Flykt int r;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt size_t l;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (detect_container(NULL) > 0)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt r = read_one_line_file("/proc/cmdline", &line);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (r < 0) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt return 0;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt }

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt

f12abb48fc510b8b349c05e35ba048134debaf25Patrik Flykt FOREACH_WORD_QUOTED(w, l, line, state) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt char _cleanup_free_ *word;

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek word = strndup(w, l);

c806ffb9592fa9a2b13a1f9f9be4c77cd5b211aaZbigniew Jędrzejewski-Szmek if (!word)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt return -ENOMEM;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (startswith(word, "systemd.journald.forward_to_syslog=")) {

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt r = parse_boolean(word + 35);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt if (r < 0)

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt else

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt s->forward_to_syslog = r;

da6fe470e17fa02f3adedc779585caf8669252bdPatrik Flykt } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt r = parse_boolean(word + 33);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt if (r < 0)

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt else

139b011ab81ccea1d51f09e0261a1c390115c6ffPatrik Flykt 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"))

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

}

return 0;

}

static int server_parse_config_file(Server *s) {

static const char *fn = "/etc/systemd/journald.conf";

FILE _cleanup_fclose_ *f = NULL;

int r;

assert(s);

f = fopen(fn, "re");

if (!f) {

if (errno == ENOENT)

return 0;

log_warning("Failed to open configuration file %s: %m", fn);

return -errno;

}

r = config_parse(fn, f, "Journal\0", config_item_perf_lookup,

(void*) journald_gperf_lookup, false, s);

if (r < 0)

log_warning("Failed to parse configuration file: %s", strerror(-r));

return r;

}

int server_init(Server *s) {

int n, r, fd;

assert(s);

zero(*s);

s->syslog_fd = s->native_fd = s->stdout_fd = s->signal_fd = s->epoll_fd = s->dev_kmsg_fd = -1;

s->compress = true;

s->seal = true;

s->rate_limit_interval = DEFAULT_RATE_LIMIT_INTERVAL;

s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST;

s->forward_to_syslog = true;

s->max_level_store = LOG_DEBUG;

s->max_level_syslog = LOG_DEBUG;

s->max_level_kmsg = LOG_NOTICE;

s->max_level_console = LOG_INFO;

memset(&s->system_metrics, 0xFF, sizeof(s->system_metrics));

memset(&s->runtime_metrics, 0xFF, sizeof(s->runtime_metrics));

server_parse_config_file(s);

server_parse_proc_cmdline(s);

if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {

log_debug("Setting both rate limit interval and burst from %llu,%u to 0,0",

(long long unsigned) s->rate_limit_interval,

s->rate_limit_burst);

s->rate_limit_interval = s->rate_limit_burst = 0;

}

mkdir_p("/run/systemd/journal", 0755);

s->user_journals = hashmap_new(trivial_hash_func, trivial_compare_func);

if (!s->user_journals)

return log_oom();

s->mmap = mmap_cache_new();

if (!s->mmap)

return log_oom();

s->epoll_fd = epoll_create1(EPOLL_CLOEXEC);

if (s->epoll_fd < 0) {

log_error("Failed to create epoll object: %m");

return -errno;

}

n = sd_listen_fds(true);

if (n < 0) {

log_error("Failed to read listening file descriptors from environment: %s", strerror(-n));

return n;

}

for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {

if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/socket", 0) > 0) {

if (s->native_fd >= 0) {

log_error("Too many native sockets passed.");

return -EINVAL;

}

s->native_fd = fd;

} else if (sd_is_socket_unix(fd, SOCK_STREAM, 1, "/run/systemd/journal/stdout", 0) > 0) {

if (s->stdout_fd >= 0) {

log_error("Too many stdout sockets passed.");

return -EINVAL;

}

s->stdout_fd = fd;