#include "journald-stream.h"
#include "journald-console.h"
#include "journald-native.h"
+#include "journald-audit.h"
#include "journald-server.h"
#ifdef HAVE_ACL
if (r < 0)
return s->system_journal;
- f = hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
+ f = ordered_hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
if (f)
return f;
SD_ID128_FORMAT_VAL(machine), uid) < 0)
return s->system_journal;
- while (hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
+ while (ordered_hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
/* Too many open? Then let's close one */
- f = hashmap_steal_first(s->user_journals);
+ f = ordered_hashmap_steal_first(s->user_journals);
assert(f);
journal_file_close(f);
}
server_fix_perms(s, f, uid);
- r = hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
+ r = ordered_hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
if (r < 0) {
journal_file_close(f);
return s->system_journal;
do_rotate(s, &s->runtime_journal, "runtime", false, 0);
do_rotate(s, &s->system_journal, "system", s->seal, 0);
- HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
+ ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
r = do_rotate(s, &f, "user", s->seal, PTR_TO_UINT32(k));
if (r >= 0)
- hashmap_replace(s->user_journals, k, f);
+ ordered_hashmap_replace(s->user_journals, k, f);
else if (!f)
/* Old file has been closed and deallocated */
- hashmap_remove(s->user_journals, k);
+ ordered_hashmap_remove(s->user_journals, k);
}
}
log_error("Failed to sync system journal: %s", strerror(-r));
}
- HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
+ ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
r = journal_file_set_offline(f);
if (r < 0)
log_error("Failed to sync user journal: %s", strerror(-r));
static void dispatch_message_real(
Server *s,
struct iovec *iovec, unsigned n, unsigned m,
- struct ucred *ucred,
- struct timeval *tv,
+ const struct ucred *ucred,
+ const struct timeval *tv,
const char *label, size_t label_len,
const char *unit_id,
int priority,
}
#ifdef HAVE_SELINUX
- if (use_selinux()) {
+ if (mac_selinux_use()) {
if (label) {
x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);
void server_dispatch_message(
Server *s,
struct iovec *iovec, unsigned n, unsigned m,
- struct ucred *ucred,
- struct timeval *tv,
+ const struct ucred *ucred,
+ const struct timeval *tv,
const char *label, size_t label_len,
const char *unit_id,
int priority,
}
-static int system_journal_open(Server *s) {
+static int system_journal_open(Server *s, bool flush_requested) {
int r;
char *fn;
sd_id128_t machine;
if (!s->system_journal &&
(s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
- access("/run/systemd/journal/flushed", F_OK) >= 0) {
+ (flush_requested
+ || access("/run/systemd/journal/flushed", F_OK) >= 0)) {
/* If in auto mode: first try to create the machine
* path, but not the prefix.
if (!s->runtime_journal)
return 0;
- system_journal_open(s);
+ system_journal_open(s, true);
if (!s->system_journal)
return 0;
Server *s = userdata;
assert(s);
- assert(fd == s->native_fd || fd == s->syslog_fd);
+ assert(fd == s->native_fd || fd == s->syslog_fd || fd == s->audit_fd);
if (revents != EPOLLIN) {
log_error("Got invalid event from epoll for datagram fd: %"PRIx32, revents);
CMSG_SPACE(sizeof(int)) + /* fd */
CMSG_SPACE(NAME_MAX)]; /* selinux label */
} control = {};
+ union sockaddr_union sa = {};
struct msghdr msghdr = {
.msg_iov = &iovec,
.msg_iovlen = 1,
.msg_control = &control,
.msg_controllen = sizeof(control),
+ .msg_name = &sa,
+ .msg_namelen = sizeof(sa),
};
ssize_t n;
- int v;
int *fds = NULL;
unsigned n_fds = 0;
+ int v = 0;
+ size_t m;
- if (ioctl(fd, SIOCINQ, &v) < 0) {
- log_error("SIOCINQ failed: %m");
- return -errno;
- }
+ /* Try to get the right size, if we can. (Not all
+ * sockets support SIOCINQ, hence we just try, but
+ * don't rely on it. */
+ (void) ioctl(fd, SIOCINQ, &v);
+
+ /* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful!*/
+ m = PAGE_ALIGN(MAX3((size_t) v + 1,
+ (size_t) LINE_MAX,
+ ALIGN(sizeof(struct nlmsghdr)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH)) + 1);
- if (!GREEDY_REALLOC(s->buffer, s->buffer_size, LINE_MAX + (size_t) v))
+ if (!GREEDY_REALLOC(s->buffer, s->buffer_size, m))
return log_oom();
iovec.iov_base = s->buffer;
- iovec.iov_len = s->buffer_size;
+ iovec.iov_len = s->buffer_size - 1; /* Leave room for trailing NUL we add later */
n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
if (n < 0) {
}
}
+ /* And a trailing NUL, just in case */
+ s->buffer[n] = 0;
+
if (fd == s->syslog_fd) {
- if (n > 0 && n_fds == 0) {
- s->buffer[n] = 0;
+ if (n > 0 && n_fds == 0)
server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
- } else if (n_fds > 0)
+ else if (n_fds > 0)
log_warning("Got file descriptors via syslog socket. Ignoring.");
- } else {
+ } else if (fd == s->native_fd) {
if (n > 0 && n_fds == 0)
server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);
else if (n == 0 && n_fds == 1)
server_process_native_file(s, fds[0], ucred, tv, label, label_len);
else if (n_fds > 0)
log_warning("Got too many file descriptors via native socket. Ignoring.");
+
+ } else {
+ assert(fd == s->audit_fd);
+
+ if (n > 0 && n_fds == 0)
+ server_process_audit_message(s, s->buffer, n, ucred, tv, &sa, msghdr.msg_namelen);
+ else if (n_fds > 0)
+ log_warning("Got file descriptors via audit socket. Ignoring.");
}
close_many(fds, n_fds);
log_info("Received request to flush runtime journal from PID %"PRIu32, si->ssi_pid);
- touch("/run/systemd/journal/flushed");
server_flush_to_var(s);
server_sync(s);
+ server_vacuum(s);
+
+ touch("/run/systemd/journal/flushed");
return 0;
}
assert(s);
zero(*s);
- s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->hostname_fd = -1;
+ s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = -1;
s->compress = true;
s->seal = true;
mkdir_p("/run/systemd/journal", 0755);
- s->user_journals = hashmap_new(NULL);
+ s->user_journals = ordered_hashmap_new(NULL);
if (!s->user_journals)
return log_oom();
s->syslog_fd = fd;
+ } else if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
+
+ if (s->audit_fd >= 0) {
+ log_error("Too many audit sockets passed.");
+ return -EINVAL;
+ }
+
+ s->audit_fd = fd;
+
} else {
log_error("Unknown socket passed.");
return -EINVAL;
if (r < 0)
return r;
+ r = server_open_audit(s);
+ if (r < 0)
+ return r;
+
r = server_open_kernel_seqnum(s);
if (r < 0)
return r;
server_cache_boot_id(s);
server_cache_machine_id(s);
- r = system_journal_open(s);
+ r = system_journal_open(s, false);
if (r < 0)
return r;
if (s->system_journal)
journal_file_maybe_append_tag(s->system_journal, n);
- HASHMAP_FOREACH(f, s->user_journals, i)
+ ORDERED_HASHMAP_FOREACH(f, s->user_journals, i)
journal_file_maybe_append_tag(f, n);
#endif
}
if (s->runtime_journal)
journal_file_close(s->runtime_journal);
- while ((f = hashmap_steal_first(s->user_journals)))
+ while ((f = ordered_hashmap_steal_first(s->user_journals)))
journal_file_close(f);
- hashmap_free(s->user_journals);
+ ordered_hashmap_free(s->user_journals);
sd_event_source_unref(s->syslog_event_source);
sd_event_source_unref(s->native_event_source);
sd_event_source_unref(s->stdout_event_source);
sd_event_source_unref(s->dev_kmsg_event_source);
+ sd_event_source_unref(s->audit_event_source);
sd_event_source_unref(s->sync_event_source);
sd_event_source_unref(s->sigusr1_event_source);
sd_event_source_unref(s->sigusr2_event_source);
safe_close(s->native_fd);
safe_close(s->stdout_fd);
safe_close(s->dev_kmsg_fd);
+ safe_close(s->audit_fd);
safe_close(s->hostname_fd);
if (s->rate_limit)
~ianmdlvl / elogind.git / blobdiff