return s->cached_available_space;
}
-static void server_read_file_gid(Server *s) {
- const char *g = "systemd-journal";
- int r;
-
- assert(s);
-
- if (s->file_gid_valid)
- return;
-
- r = get_group_creds(&g, &s->file_gid);
- if (r < 0)
- log_warning("Failed to resolve '%s' group: %s", g, strerror(-r));
-
- /* if we couldn't read the gid, then it will be 0, but that's
- * fine and we shouldn't try to resolve the group again, so
- * let's just pretend it worked right-away. */
- s->file_gid_valid = true;
-}
-
void server_fix_perms(Server *s, JournalFile *f, uid_t uid) {
int r;
#ifdef HAVE_ACL
assert(f);
- server_read_file_gid(s);
-
- r = fchmod_and_fchown(f->fd, 0640, 0, s->file_gid);
+ r = fchmod(f->fd, 0640);
if (r < 0)
- log_warning("Failed to fix access mode/rights on %s, ignoring: %s", f->path, strerror(-r));
+ log_warning("Failed to fix access mode on %s, ignoring: %s", f->path, strerror(-r));
#ifdef HAVE_ACL
if (uid <= 0)
if (r < 0)
if (f)
log_error("Failed to rotate %s: %s", f->path, strerror(-r));
- else
+ else {
log_error("Failed to create user journal: %s", strerror(-r));
+ hashmap_remove(s->user_journals, k);
+ }
else {
hashmap_replace(s->user_journals, k, f);
server_fix_perms(s, f, PTR_TO_UINT32(k));
}
void server_sync(Server *s) {
+ static const struct itimerspec sync_timer_disable = {};
JournalFile *f;
void *k;
Iterator i;
int r;
- static const struct itimerspec sync_timer_disable = {};
-
if (s->system_journal) {
r = journal_file_set_offline(s->system_journal);
if (r < 0)
return true;
}
-static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n) {
+static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {
JournalFile *f;
bool vacuumed = false;
int r;
r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
if (r >= 0) {
- server_schedule_sync(s);
+ server_schedule_sync(s, priority);
return;
}
size += iovec[i].iov_len;
log_error("Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %s", n, size, strerror(-r));
- }
+ } else
+ server_schedule_sync(s, priority);
}
static void dispatch_message_real(
struct timeval *tv,
const char *label, size_t label_len,
const char *unit_id,
+ int priority,
pid_t object_pid) {
char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];
uid_t object_uid;
gid_t object_gid;
-
char *x;
sd_id128_t id;
int r;
if (cg_path_get_unit(c, &t) >= 0) {
x = strappenda("_SYSTEMD_UNIT=", t);
free(t);
- } else if (cg_path_get_user_unit(c, &t) >= 0) {
+ IOVEC_SET_STRING(iovec[n++], x);
+ } else if (unit_id && !session) {
+ x = strappenda("_SYSTEMD_UNIT=", unit_id);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_user_unit(c, &t) >= 0) {
x = strappenda("_SYSTEMD_USER_UNIT=", t);
free(t);
- } else if (unit_id) {
- if (session)
- x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
- else
- x = strappenda("_SYSTEMD_UNIT=", unit_id);
- } else
- x = NULL;
-
- if (x)
IOVEC_SET_STRING(iovec[n++], x);
+ } else if (unit_id && session) {
+ x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_slice(c, &t) >= 0) {
+ x = strappenda("_SYSTEMD_SLICE=", t);
+ free(t);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
free(c);
}
#ifdef HAVE_SELINUX
- if (label) {
- x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
+ if (use_selinux()) {
+ if (label) {
+ x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len);
- *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
- IOVEC_SET_STRING(iovec[n++], x);
- } else {
- security_context_t con;
+ *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
+ IOVEC_SET_STRING(iovec[n++], x);
+ } else {
+ security_context_t con;
- if (getpidcon(ucred->pid, &con) >= 0) {
- x = strappenda("_SELINUX_CONTEXT=", con);
+ if (getpidcon(ucred->pid, &con) >= 0) {
+ x = strappenda("_SELINUX_CONTEXT=", con);
- freecon(con);
- IOVEC_SET_STRING(iovec[n++], x);
+ freecon(con);
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
}
}
#endif
if (cg_path_get_unit(c, &t) >= 0) {
x = strappenda("OBJECT_SYSTEMD_UNIT=", t);
free(t);
- } else if (cg_path_get_user_unit(c, &t) >= 0) {
+ IOVEC_SET_STRING(iovec[n++], x);
+ }
+
+ if (cg_path_get_user_unit(c, &t) >= 0) {
x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t);
free(t);
- } else
- x = NULL;
-
- if (x)
IOVEC_SET_STRING(iovec[n++], x);
+ }
free(c);
}
else
journal_uid = 0;
- write_to_journal(s, journal_uid, iovec, n);
+ write_to_journal(s, journal_uid, iovec, n, priority);
}
void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
ucred.uid = getuid();
ucred.gid = getgid();
- dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, 0);
+ dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
}
void server_dispatch_message(
if (LOG_PRI(priority) > s->max_level_store)
return;
+ /* Stop early in case the information will not be stored
+ * in a journal. */
+ if (s->storage == STORAGE_NONE)
+ return;
+
if (!ucred)
goto finish;
"Suppressed %u messages from %s", rl - 1, path);
finish:
- dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, object_pid);
+ dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
}
char ids[33];
r = sd_id128_get_machine(&machine);
- if (r < 0)
+ if (r < 0) {
+ log_error("Failed to get machine id: %s", strerror(-r));
return r;
+ }
sd_id128_to_string(machine, ids);
log_debug("Flushing to /var...");
r = sd_id128_get_machine(&machine);
- if (r < 0) {
- log_error("Failed to get machine id: %s", strerror(-r));
+ if (r < 0)
return r;
- }
r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
if (r < 0) {
ssize_t n;
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "signal fd", ev->events);
return -EIO;
}
}
if (sfsi.ssi_signo == SIGUSR1) {
+ log_info("Received request to flush runtime journal from PID %"PRIu32,
+ sfsi.ssi_pid);
touch("/run/systemd/journal/flushed");
server_flush_to_var(s);
server_sync(s);
}
if (sfsi.ssi_signo == SIGUSR2) {
+ log_info("Received request to rotate journal from PID %"PRIu32,
+ sfsi.ssi_pid);
server_rotate(s);
server_vacuum(s);
return 1;
} else if (ev->data.fd == s->dev_kmsg_fd) {
int r;
- if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ if (ev->events & EPOLLERR)
+ log_warning("/dev/kmsg buffer overrun, some messages lost.");
+
+ if (!(ev->events & EPOLLIN)) {
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "/dev/kmsg", ev->events);
return -EIO;
}
ev->data.fd == s->syslog_fd) {
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ ev->data.fd == s->native_fd ? "native fd" : "syslog fd",
+ ev->events);
return -EIO;
}
}
if (ev->data.fd == s->syslog_fd) {
- char *e;
-
if (n > 0 && n_fds == 0) {
- e = memchr(s->buffer, '\n', n);
- if (e)
- *e = 0;
- else
- s->buffer[n] = 0;
-
+ s->buffer[n] = 0;
server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
} else if (n_fds > 0)
log_warning("Got file descriptors via syslog socket. Ignoring.");
} else if (ev->data.fd == s->stdout_fd) {
if (ev->events != EPOLLIN) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "stdout fd", ev->events);
return -EIO;
}
StdoutStream *stream;
if ((ev->events|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {
- log_error("Got invalid event from epoll.");
+ log_error("Got invalid event from epoll for %s: %"PRIx32,
+ "stdout stream", ev->events);
return -EIO;
}
return 0;
}
-int server_schedule_sync(Server *s) {
+int server_schedule_sync(Server *s, int priority) {
int r;
assert(s);
+ if (priority <= LOG_CRIT) {
+ /* Immediately sync to disk when this is of priority CRIT, ALERT, EMERG */
+ server_sync(s);
+ return 0;
+ }
+
if (s->sync_scheduled)
return 0;
~ianmdlvl / elogind.git / blobdiff