#include <acl/libacl.h>
#include "hashmap.h"
-#include "journal-private.h"
+#include "journal-file.h"
#include "sd-daemon.h"
#include "socket-util.h"
#include "acl-util.h"
+#include "cgroup-util.h"
typedef struct Server {
int syslog_fd;
JournalFile *runtime_journal;
JournalFile *system_journal;
Hashmap *user_journals;
+
+ uint64_t seqnum;
} Server;
static void fix_perms(JournalFile *f, uid_t uid) {
char *p;
int r;
JournalFile *f;
+ char ids[33];
+ sd_id128_t machine;
assert(s);
if (uid <= 0)
return s->system_journal;
+ r = sd_id128_get_machine(&machine);
+ if (r < 0)
+ return s->system_journal;
+
f = hashmap_get(s->user_journals, UINT32_TO_PTR(uid));
if (f)
return f;
- if (asprintf(&p, "/var/log/journal/%lu.journal", (unsigned long) uid) < 0)
+ if (asprintf(&p, "/var/log/journal/%s/user-%lu.journal", sd_id128_to_string(machine, ids), (unsigned long) uid) < 0)
return s->system_journal;
- r = journal_file_open(p, O_RDWR|O_CREAT, 0640, &f);
+ r = journal_file_open(p, O_RDWR|O_CREAT, 0640, s->system_journal, &f);
free(p);
if (r < 0)
*comm = NULL, *cmdline = NULL, *hostname = NULL,
*audit_session = NULL, *audit_loginuid = NULL,
*syslog_priority = NULL, *syslog_facility = NULL,
- *exe = NULL;
- struct iovec iovec[15];
+ *exe = NULL, *cgroup = NULL;
+ struct iovec iovec[16];
unsigned n = 0;
char idbuf[33];
sd_id128_t id;
if (ucred) {
uint32_t session;
+ char *path;
if (asprintf(&pid, "PID=%lu", (unsigned long) ucred->pid) >= 0)
IOVEC_SET_STRING(iovec[n++], pid);
if (r >= 0)
if (asprintf(&audit_loginuid, "AUDIT_LOGINUID=%lu", (unsigned long) loginuid) >= 0)
IOVEC_SET_STRING(iovec[n++], audit_loginuid);
+
+ r = cg_get_by_pid(SYSTEMD_CGROUP_CONTROLLER, ucred->pid, &path);
+ if (r >= 0) {
+ cgroup = strappend("SYSTEMD_CGROUP=", path);
+ if (cgroup)
+ IOVEC_SET_STRING(iovec[n++], cgroup);
+ free(path);
+ }
}
if (tv) {
IOVEC_SET_STRING(iovec[n++], source_time);
}
+ /* Note that strictly speaking storing the boot id here is
+ * redundant since the entry includes this in-line
+ * anyway. However, we need this indexed, too. */
r = sd_id128_get_boot(&id);
if (r >= 0)
if (asprintf(&boot_id, "BOOT_ID=%s", sd_id128_to_string(id, idbuf)) >= 0)
if (!f)
log_warning("Dropping message, as we can't find a place to store the data.");
else {
- r = journal_file_append_entry(f, NULL, iovec, n, NULL, NULL);
+ r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
if (r < 0)
log_error("Failed to write entry, ignoring: %s", strerror(-r));
free(uid);
free(gid);
free(comm);
+ free(exe);
free(cmdline);
free(source_time);
free(boot_id);
free(audit_loginuid);
free(syslog_facility);
free(syslog_priority);
+ free(cgroup);
}
static int process_event(Server *s, struct epoll_event *ev) {
log_debug("Received SIG%s", signal_to_string(sfsi.ssi_signo));
return 0;
- } else {
+ }
+
+ if (ev->data.fd == s->syslog_fd) {
for (;;) {
char buf[LINE_MAX+1];
struct msghdr msghdr;
process_message(s, strstrip(buf), ucred, tv);
}
+
+ return 1;
+ }
+
+ log_error("Unknown event.");
+ return 0;
+}
+
+static int system_journal_open(Server *s) {
+ int r;
+ char *fn;
+ sd_id128_t machine;
+ char ids[33];
+
+ r = sd_id128_get_machine(&machine);
+ if (r < 0)
+ return r;
+
+ /* First try to create the machine path, but not the prefix */
+ fn = strappend("/var/log/journal/", sd_id128_to_string(machine, ids));
+ if (!fn)
+ return -ENOMEM;
+ (void) mkdir(fn, 0755);
+ free(fn);
+
+ /* The create the system journal file */
+ fn = join("/var/log/journal/", ids, "/system.journal", NULL);
+ if (!fn)
+ return -ENOMEM;
+
+ r = journal_file_open(fn, O_RDWR|O_CREAT, 0640, NULL, &s->system_journal);
+ free(fn);
+
+ if (r >= 0) {
+ fix_perms(s->system_journal, 0);
+ return r;
+ }
+
+ if (r < 0 && r != -ENOENT) {
+ log_error("Failed to open system journal: %s", strerror(-r));
+ return r;
+ }
+
+ /* /var didn't work, so try /run, but this time we
+ * create the prefix too */
+ fn = join("/run/log/journal/", ids, "/system.journal", NULL);
+ if (!fn)
+ return -ENOMEM;
+
+ (void) mkdir_parents(fn, 0755);
+ r = journal_file_open(fn, O_RDWR|O_CREAT, 0640, NULL, &s->runtime_journal);
+ free(fn);
+
+ if (r < 0) {
+ log_error("Failed to open runtime journal: %s", strerror(-r));
+ return r;
}
- return 1;
+ fix_perms(s->runtime_journal, 0);
+ return r;
}
static int server_init(Server *s) {
return -ENOMEM;
}
- r = journal_file_open("/var/log/journal/system.journal", O_RDWR|O_CREAT, 0640, &s->system_journal);
- if (r >= 0)
- fix_perms(s->system_journal, 0);
- else if (r == -ENOENT) {
- mkdir_p("/run/log/journal", 0755);
-
- r = journal_file_open("/run/log/journal/system.journal", O_RDWR|O_CREAT, 0640, &s->runtime_journal);
- if (r >= 0)
- fix_perms(s->runtime_journal, 0);
- }
-
- if (r < 0 && r != -ENOENT) {
- log_error("Failed to open journal: %s", strerror(-r));
+ r = system_journal_open(s);
+ if (r < 0)
return r;
- }
assert_se(sigemptyset(&mask) == 0);
sigset_add_many(&mask, SIGINT, SIGTERM, -1);
sd_notify(false,
"READY=1\n"
"STATUS=Processing messages...");
-
+#
for (;;) {
struct epoll_event event;
~ianmdlvl / elogind.git / blobdiff