void JournalLogProvider::Log(AbstractLogProvider::LogLevel level,
const char *message,
const char *fileName,
int line,
const char *function) const
{
try {
sd_journal_send("PRIORITY=%d", journalLevel.at(level),
"CODE_FILE=%s", fileName,
"CODE_FUNC=%s", function,
"CODE_LINE=%d", line,
// add file, line & function info to log message
"MESSAGE=[%s:%d] %s(): %s", fileName, line, function, message,
NULL);
} catch (const std::out_of_range&) {
sd_journal_send(
"PRIORITY=%d", LOG_ERR,
"CODE_FILE=%s", fileName,
"CODE_FUNC=%s", function,
"CODE_LINE=%d", line,
// add file, line & function info to log message
"MESSAGE=[%s:%d] %s(): Unsupported log level %d", fileName, line, function, level,
NULL);
}
}
static int update_pid_file(struct runtime_config *rtc)
{
FILE *fd;
char *pidfile;
if (access(rtc->statedir, W_OK))
if (mkdir(rtc->statedir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH))
return 1;
pidfile = construct_pidfile(rtc);
if (!(fd = fopen(pidfile, "w"))) {
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=could not open file",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_ERROR),
"PID_FILE=%s", pidfile, "STRERROR=%s", strerror(errno), "PRIORITY=3", NULL);
#else
syslog(LOG_ERR, "could not open file: %s: %s", pidfile, strerror(errno));
#endif
return 1;
}
fprintf(fd, "%u %d", getpid(), rtc->msg_type);
if (close_stream(fd))
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=close failed",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_ERROR),
"PID_FILE=%s", pidfile, "STRERROR=%s", strerror(errno), "PRIORITY=3", NULL);
#else
syslog(LOG_ERR, "close failed: %s: %s", pidfile, strerror(errno));
#endif
free(pidfile);
return 0;
}
static tlog_grc
tlog_journal_json_writer_write(struct tlog_json_writer *writer,
size_t id, const uint8_t *buf, size_t len)
{
struct tlog_journal_json_writer *journal_json_writer =
(struct tlog_journal_json_writer*)writer;
int sd_rc;
#define BASE_ARGS \
"PRIORITY=%d", journal_json_writer->priority, \
"MESSAGE=%.*s", len, buf
if (journal_json_writer->augment) {
sd_rc = sd_journal_send(
"TLOG_REC=%s", journal_json_writer->recording,
"TLOG_USER=%s", journal_json_writer->username,
"TLOG_SESSION=%u", journal_json_writer->session_id,
"TLOG_ID=%zu", id,
BASE_ARGS,
NULL);
} else {
sd_rc = sd_journal_send(BASE_ARGS, NULL);
}
#undef BASE_ARGS
return (sd_rc < 0) ? TLOG_GRC_FROM(systemd, sd_rc) : TLOG_RC_OK;
}
static void run_server(struct runtime_config *rtc)
{
struct sockaddr_in client_addr;
socklen_t addr_len;
pthread_attr_t attr;
#ifdef USE_SYSTEMD
int ret;
ret = sd_listen_fds(0);
if (1 < ret)
faillog("no or too many file descriptors received");
else if (ret == 1)
rtc->server_s = SD_LISTEN_FDS_START + 0;
else {
#endif
if (!(rtc->server_s = socket(rtc->res->ai_family, rtc->res->ai_socktype, rtc->res->ai_protocol)))
err(EXIT_FAILURE, "cannot create socket");
if (bind(rtc->server_s, rtc->res->ai_addr, rtc->res->ai_addrlen))
err(EXIT_FAILURE, "unable to bind");
if (listen(rtc->server_s, SOMAXCONN))
err(EXIT_FAILURE, "unable to listen");
#ifdef USE_SYSTEMD
}
#endif
if (pthread_attr_init(&attr))
err(EXIT_FAILURE, "cannot init thread attribute");
if (pthread_rwlock_init(&(rtc->lock), NULL))
err(EXIT_FAILURE, "cannot init read-write lock");
daemonize();
if (rtc->msg_type == STATE_UNKNOWN)
read_status_from_file(rtc);
if (update_pid_file(rtc))
faillog("cannot write pid file");
openlog(PACKAGE_NAME, LOG_PID, LOG_DAEMON);
signal(SIGHUP, stop_server);
signal(SIGINT, stop_server);
signal(SIGTERM, stop_server);
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=service started",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_STOP_START),
"STATE=%s", state_messages[rtc->msg_type], "PRIORITY=6", NULL);
#else
syslog(LOG_INFO, "started in state %s", state_messages[rtc->msg_type]);
#endif
while (1) {
int accepted;
pthread_t thread;
int *newsock;
addr_len = sizeof(client_addr);
accepted = accept(rtc->server_s, (struct sockaddr *)&client_addr, &addr_len);
newsock = malloc(sizeof(int));
*newsock = accepted;
pthread_create(&thread, NULL, handle_request, newsock);
pthread_detach(thread);
}
}
int main(int argc, char *argv[]) {
pid_t pid;
sd_journal_print(LOG_DEBUG, "Hi, I am a Screamer and I will make some mess in your Journal log.");
sd_journal_print(LOG_NOTICE, "Let me note that you can see various message priorities in Journal and you can filter them.");
sd_journal_print(LOG_ERR, "While previous messages are mostly informational, this one reports some error that happend in your system.");
sd_journal_print(LOG_ALERT, "Error and Alert get same color, but the latter is much more severe.");
sd_journal_send("MESSAGE=You may find some interesting details about logged messages in stored fields. Try to list all fields of messages from process %lu.", (unsigned long) getpid(),
"PRIORITY=%i", LOG_NOTICE,
"HOME=%s", getenv("HOME"),
NULL);
// pid = fork();
// if (pid == 0) {
// sleep(5);
// fprintf(stderr, L_ERROR "No! It's not true! That's impossible!!!\n");
// sleep(1);
// return 0;
// } else if (pid > 0) {
// fprintf(stderr, L_NOTICE "Luke, I am your father!\n");
// } else {
// return errno;
// }
sleep(2);
return 0;
}
static void debug_systemd_log(int msg_level,
const char *msg, const char *msg_no_nl)
{
sd_journal_send("MESSAGE=%s", msg_no_nl,
"PRIORITY=%d", debug_level_to_priority(msg_level),
"LEVEL=%d", msg_level,
NULL);
}
faillog(char *msg)
{
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=%s", msg,
"STRERROR=%s", strerror(errno),
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_ERROR), "PRIORITY=3", NULL);
#else
syslog(LOG_ERR, "%s: %s", msg, strerror(errno));
#endif
exit(EXIT_FAILURE);
}
static void stop_server(int sig __attribute__ ((__unused__)))
{
pthread_rwlock_destroy(&(rtc.lock));
freeaddrinfo(rtc.res);
close(rtc.server_s);
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=service stopped", "MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_STOP_START), "PRIORITY=6", NULL);
#else
syslog(LOG_INFO, "stopped");
#endif
closelog();
}
static void catch_signals(int signal)
{
if (pthread_rwlock_wrlock(&rtc.lock)) {
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=could not get lock",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_ERROR),
"STRERROR=%s", strerror(errno), "PRIORITY=3", NULL);
#else
syslog(LOG_ERR, "could not get lock");
#endif
return;
}
switch (signal) {
case SIGUSR1:
rtc.msg_type = STATE_DISABLE;
break;
case SIGUSR2:
rtc.msg_type = STATE_MAINTENANCE;
break;
case SIGWINCH:
rtc.msg_type = STATE_ENABLE;
break;
default:
/* should be impossible to reach */
abort();
}
rtc.msg_len = strlen(state_messages[rtc.msg_type]);
update_pid_file(&rtc);
pthread_rwlock_unlock(&(rtc.lock));
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=signal received",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_STATE_CHANGE),
"NEW_STATE=%s", state_messages[rtc.msg_type], "PRIORITY=6", NULL);
#else
syslog(LOG_INFO, "signal received, state is %s", state_messages[rtc.msg_type]);
#endif
closelog();
}
static int print_it(const char const *formatwithtid, const char const *msg, int log_level) {
int ret;
// fusedav-valhalla standardizing on names BINDING, SITE, and ENVIRONMENT
ret = sd_journal_send("MESSAGE=%s%s", formatwithtid, msg,
"PRIORITY=%d", log_level,
"USER_AGENT=%s", get_user_agent(),
"SITE=%s", log_key_value[SITE],
"ENVIRONMENT=%s", log_key_value[ENVIRONMENT],
"HOST_ADDRESS=%s", log_key_value[HOST_ADDRESS],
"TID=%lu", syscall(SYS_gettid),
"PACKAGE_VERSION=%s", PACKAGE_VERSION,
NULL);
return ret;
}
void AuditLog::log(const PolicyKey &policyKey, const PolicyResult &policyResult) {
if (m_logLevel == AL_NONE)
return;
PolicyType policyType = policyResult.policyType();
namespace PPT = PredefinedPolicyType;
if (m_logLevel == AL_ALL || (m_logLevel == AL_DENY && policyType == PPT::DENY) ||
(m_logLevel == AL_ALLOW && policyType == PPT::ALLOW) ||
(m_logLevel == AL_OTHER && policyType != PPT::ALLOW && policyType != PPT::DENY)) {
sd_journal_send("MESSAGE=%s;%s;%s => %s", policyKey.client().toString().c_str(),
policyKey.user().toString().c_str(),
policyKey.privilege().toString().c_str(),
policyResultToString(policyResult), "PRIORITY=%i", LOG_INFO,
"CYNARA_LOG_TYPE=AUDIT", NULL);
}
}
void JournaldLogHandler::log(const qi::LogLevel verb,
const char* category,
const char* msg,
const char* file,
const char* fct,
const int line)
{
// systemd uses the log level defined by syslog.
// Here is how we mix both.
// LOG_EMERG(0) LogLevel_Fatal(1)
// LOG_ALERT(1)
// LOG_CRIT(2)
// LOG_ERR(3) LogLevel_Error(2)
// LOG_WARNING(4) LogLevel_Warning(3)
// LOG_NOTICE(5) LogLevel_Info(4)
// LOG_INFO(6) LogLevel_Verbose(5)
// LOG_DEBUG(7) LogLevel_Debug(6)
int _verb = static_cast<int>(verb);
if (_verb == 1) _verb = 0;
else _verb += 1;
int i = sd_journal_send("MESSAGE=%s", msg,
"QI_CATEGORY=%s", category,
"PRIORITY=%i", _verb,
"CODE_FILE=%s", file,
"CODE_LINE=%i", line,
"CODE_FUNC=%s", fct,
NULL
);
if (i == 0)
return;
// If it fail try to do a simpler call to journald
int j = sd_journal_print(_verb, "%s; %s", category, msg);
if (j == 0)
return;
// If it fail again print an error message
std::cerr << "Can't send message to journald." << std::endl;
}
int main(int argc, char **argv)
{
int c, server = 0;
char *listen = NULL, *port = PORT_NUM;
struct addrinfo hints;
int e;
enum {
STATEDIR_OPT = CHAR_MAX + 1
};
static const struct option longopts[] = {
{"disable", no_argument, NULL, 'd'},
{"maintenance", no_argument, NULL, 'm'},
{"enable", no_argument, NULL, 'e'},
{"server", no_argument, NULL, 's'},
{"listen", required_argument, NULL, 'l'},
{"port", required_argument, NULL, 'p'},
{"state", required_argument, NULL, STATEDIR_OPT},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
set_program_name(argv[0]);
atexit(close_stdout);
memset(&rtc, 0, sizeof(struct runtime_config));
rtc.argv = argv;
rtc.statedir = F5GS_RUNDIR;
while ((c = getopt_long(argc, argv, "dmesl:p:Vh", longopts, NULL)) != -1) {
switch (c) {
case 'd':
rtc.send_signal = state_signals[STATE_DISABLE];
break;
case 'm':
rtc.send_signal = state_signals[STATE_MAINTENANCE];
break;
case 'e':
rtc.send_signal = state_signals[STATE_ENABLE];
break;
case 's':
server = 1;
break;
case 'l':
listen = optarg;
break;
case 'p':
port = optarg;
break;
case STATEDIR_OPT:
rtc.statedir = optarg;
break;
case 'V':
printf("%s version %s", PACKAGE_NAME, PACKAGE_VERSION);
#ifdef USE_SYSTEMD
puts(" with systemd support");
#else
puts("");
#endif
return EXIT_SUCCESS;
case 'h':
usage(stdout);
default:
usage(stderr);
}
}
if (signal(state_signals[STATE_DISABLE], catch_signals) == SIG_ERR ||
signal(state_signals[STATE_MAINTENANCE], catch_signals) == SIG_ERR ||
signal(state_signals[STATE_ENABLE], catch_signals) == SIG_ERR)
err(EXIT_FAILURE, "cannot set signal handler");
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
e = getaddrinfo(listen, port, &hints, &(rtc.res));
if (e) {
warnx("getaddrinfo: %s port %s: %s", listen, port, gai_strerror(e));
exit(EXIT_FAILURE);
}
if (rtc.send_signal && server)
change_state(&rtc, getpid());
else if (server) {
rtc.msg_type = STATE_UNKNOWN;
rtc.msg_len = strlen(state_messages[STATE_UNKNOWN]);
} else if (rtc.send_signal) {
char *eptr;
pid_t pid;
FILE *pidfd;
char *pid_file = construct_pidfile(&rtc);
if (!(pidfd = fopen(pid_file, "r")))
err(EXIT_FAILURE, "cannot open pid file: %s", pid_file);
fscanf(pidfd, "%d", &pid);
if (close_stream(pidfd))
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=close failed",
"PID_FILE=%s", pid_file,
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_ERROR),
"STRERROR=%s", strerror(errno), "PRIORITY=3", NULL);
#else
syslog(LOG_ERR, "close failed: %s: %s", pid_file, strerror(errno));
#endif
free(pid_file);
if (change_state(&rtc, pid)) {
if (errno == 0) {
errx(EXIT_FAILURE, "execution of %s failed", F5GS_PRE);
} else {
err(EXIT_FAILURE, "sending signal failed");
}
}
openlog(PACKAGE_NAME, LOG_PID, LOG_DAEMON);
eptr = getenv("USER");
if (eptr != NULL)
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=signal was sent",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_STATE_CHANGE),
"USER=%s", eptr, "PRIORITY=6", NULL);
#else
syslog(LOG_INFO, "signal was sent by USER: %s", eptr);
#endif
eptr = getenv("SUDO_USER");
if (eptr != NULL)
#ifdef USE_SYSTEMD
sd_journal_send("MESSAGE=signal was sent",
"MESSAGE_ID=%s", SD_ID128_CONST_STR(MESSAGE_STATE_CHANGE),
"SUDO_USER=%s", eptr, "PRIORITY=6", NULL);
#else
syslog(LOG_INFO, "signal was sent by SUDO_USER: %s", eptr);
#endif
}
if (server)
run_server(&rtc);
printf("current status is: %s\n", get_server_status(&rtc));
freeaddrinfo(rtc.res);
return EXIT_SUCCESS;
}
#include "stdlog-intern.h"
#include "stdlog.h"
/* dummies just needed for driver interface */
static void jrnl_init(stdlog_channel_t __attribute__((unused)) ch) { }
static void jrnl_open(stdlog_channel_t __attribute__((unused)) ch) { }
static void jrnl_close(stdlog_channel_t __attribute__((unused)) ch) { }
static int
jrnl_log(stdlog_channel_t ch, const int severity,
const char *fmt, va_list ap,
char *__restrict__ const wrkbuf, const size_t buflen)
{
int r;
ch->vsnprintf(wrkbuf, buflen, fmt, ap);
r = sd_journal_send("MESSAGE=%s", wrkbuf,
"PRIORITY=%d", severity,
NULL);
if(r) errno = -r;
return r;
}
void
__stdlog_set_jrnl_drvr(stdlog_channel_t ch)
{
ch->drvr.init = jrnl_init;
ch->drvr.open = jrnl_open;
ch->drvr.close = jrnl_close;
ch->drvr.log = jrnl_log;
}
static int emit_log_msg(int level, const char *zone, size_t zone_len, const char *msg)
{
rcu_read_lock();
struct log_sink *log = s_log;
if(!log_isopen()) {
rcu_read_unlock();
return KNOT_ERROR;
}
int ret = 0;
uint8_t *f = facility_at(log, LOGT_SYSLOG);
logsrc_t src = zone ? LOG_ZONE : LOG_SERVER;
// Syslog
if (facility_levels(f, src) & LOG_MASK(level)) {
#ifdef ENABLE_SYSTEMD
char *zone_fmt = zone ? "ZONE=%.*s" : NULL;
sd_journal_send("PRIORITY=%d", level,
"MESSAGE=%s", msg,
zone_fmt, zone_len, zone,
NULL);
#else
syslog(level, "%s", msg);
#endif
ret = 1; // To prevent considering the message as ignored.
}
// Convert level to mask
level = LOG_MASK(level);
/* Prefix date and time. */
char tstr[LOG_BUFLEN] = {0};
struct tm lt;
struct timeval tv;
gettimeofday(&tv, NULL);
time_t sec = tv.tv_sec;
if (localtime_r(&sec, <) != NULL) {
strftime(tstr, sizeof(tstr), KNOT_LOG_TIME_FORMAT " ", <);
}
// Log streams
for (int i = LOGT_STDERR; i < LOGT_FILE + log->file_count; ++i) {
// Check facility levels mask
f = facility_at(log, i);
if (facility_levels(f, src) & level) {
// Select stream
FILE *stream;
switch(i) {
case LOGT_STDERR: stream = stderr; break;
case LOGT_STDOUT: stream = stdout; break;
default: stream = log->file[i - LOGT_FILE]; break;
}
// Print
ret = fprintf(stream, "%s%s\n", tstr, msg);
if (stream == stdout) {
fflush(stream);
}
}
}
rcu_read_unlock();
if (ret < 0) {
return KNOT_EINVAL;
}
return ret;
}
BEGINdoAction
msg_t *pMsg;
uchar *tag;
int lenTag;
int sev;
int r;
CODESTARTdoAction
pMsg = (msg_t*) ppString[0];
MsgGetSeverity(pMsg, &sev);
getTAG(pMsg, &tag, &lenTag);
/* we can use more properties here, but let's see if there
* is some real user interest. We can always add later...
*/
r = sd_journal_send("MESSAGE=%s", getMSG(pMsg),
"PRIORITY=%d", sev,
"SYSLOG_FACILITY=%d", pMsg->iFacility,
"SYSLOG_IDENTIFIER=%s", tag,
NULL);
/* FIXME: think about what to do with errors ;) */
(void) r; /* prevent compiler warning */
ENDdoAction
BEGINparseSelectorAct
CODESTARTparseSelectorAct
CODE_STD_STRING_REQUESTparseSelectorAct(1)
if(!strncmp((char*) p, ":omjournal:", sizeof(":omjournal:") - 1)) {
errmsg.LogError(0, RS_RET_LEGA_ACT_NOT_SUPPORTED,
"omjournal supports only v6+ config format, use: "
"action(type=\"omjournal\" ...)");
}
void
cockpit_journal_log_handler (const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer user_data)
{
gboolean to_journal = TRUE;
int priority;
const gchar *domains;
/* In case we have generate our own log lines */
const gchar *prefix;
/*
* Note: we should not call GLib fucntions here.
*
* Mapping glib log levels to syslog priorities
* is not at all obvious.
*/
switch (log_level & G_LOG_LEVEL_MASK)
{
/*
* In GLib this is always fatal, caller of this
* function aborts()
*/
case G_LOG_LEVEL_ERROR:
priority = LOG_CRIT;
prefix = "ERROR";
break;
/*
* By convention in GLib applications, critical warnings
* are usually internal programmer error (ie: precondition
* failures). This maps well to LOG_CRIT.
*/
case G_LOG_LEVEL_CRITICAL:
priority = LOG_CRIT;
prefix = "CRITICAL";
break;
/*
* By convention in GLib apps, g_warning() is used for
* non-fatal problems, but ones that should be corrected
* or not be encountered in normal system behavior.
*/
case G_LOG_LEVEL_WARNING:
priority = LOG_ERR;
prefix = "WARNING";
break;
/*
* These are related to bad input, or other hosts behaving
* badly. Map well to syslog warnings.
*/
case G_LOG_LEVEL_MESSAGE:
default:
priority = LOG_WARNING;
prefix = "MESSAGE";
break;
/* Informational messages, startup, shutdown etc. */
case G_LOG_LEVEL_INFO:
priority = LOG_INFO;
prefix = "INFO";
break;
/* Debug messages. */
case G_LOG_LEVEL_DEBUG:
domains = g_getenv ("G_MESSAGES_DEBUG");
if (domains == NULL ||
(strcmp (domains, "all") != 0 && (!log_domain || !strstr (domains, log_domain))))
{
to_journal = FALSE;
}
priority = LOG_INFO;
prefix = "DEBUG";
break;
}
if (to_journal)
{
if (have_journal)
{
sd_journal_send ("MESSAGE=%s", message,
"PRIORITY=%d", (int)priority,
"COCKPIT_DOMAIN=%s", log_domain ? log_domain : "",
NULL);
}
else if (old_handler == NULL)
{
g_printerr ("%s: %s: %s\n",
prefix,
log_domain ? log_domain : "Unknown",
message);
}
}
/* After journal, since this may have side effects */
if (old_handler)
old_handler (log_domain, log_level, message, NULL);
}
