#include "alloc-util.h"
#include "fd-util.h"
-#include "formats-util.h"
+#include "format-util.h"
#include "io-util.h"
#include "log.h"
#include "macro.h"
#if 0 /// UNNEEDED by elogind
static bool upgrade_syslog_to_journal = false;
#endif // 0
+static bool always_reopen_console = false;
/* Akin to glibc's __abort_msg; which is private and we hence cannot
* use here. */
if (console_fd >= 0)
return 0;
- if (getpid() == 1) {
+ if (always_reopen_console) {
console_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
if (console_fd < 0)
return console_fd;
return 0;
}
- if ((log_target != LOG_TARGET_AUTO && log_target != LOG_TARGET_SAFE) ||
+ if (!IN_SET(log_target, LOG_TARGET_AUTO, LOG_TARGET_SAFE) ||
getpid() == 1 ||
isatty(STDERR_FILENO) <= 0) {
#if 0 /// elogind does not support logging to systemd-journald
- if (log_target == LOG_TARGET_AUTO ||
- log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
- log_target == LOG_TARGET_JOURNAL) {
+ if (IN_SET(log_target, LOG_TARGET_AUTO,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_JOURNAL)) {
r = log_open_journal();
if (r >= 0) {
log_close_syslog();
}
#endif // 0
- if (log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
- log_target == LOG_TARGET_SYSLOG) {
+ if (IN_SET(log_target, LOG_TARGET_SYSLOG_OR_KMSG,
+ LOG_TARGET_SYSLOG)) {
r = log_open_syslog();
if (r >= 0) {
log_close_journal();
}
}
- if (log_target == LOG_TARGET_AUTO ||
- log_target == LOG_TARGET_SAFE ||
- log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
- log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
- log_target == LOG_TARGET_KMSG) {
+ if (IN_SET(log_target, LOG_TARGET_AUTO,
+ LOG_TARGET_SAFE,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_SYSLOG_OR_KMSG,
+ LOG_TARGET_KMSG)) {
r = log_open_kmsg();
if (r >= 0) {
log_close_journal();
line ? "CODE_LINE=" : "",
line ? 1 : 0, line, /* %.0d means no output too, special case for 0 */
line ? "\n" : "",
- isempty(func) ? "" : "CODE_FUNCTION=",
+ isempty(func) ? "" : "CODE_FUNC=",
isempty(func) ? "" : func,
isempty(func) ? "" : "\n",
error ? "ERRNO=" : "",
}
#endif // 0
-static int log_dispatch(
+int log_dispatch_internal(
int level,
int error,
const char *file,
*(e++) = 0;
#if 0 /// elogind does not support logging to systemd-journald
- if (log_target == LOG_TARGET_AUTO ||
- log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
- log_target == LOG_TARGET_JOURNAL) {
+ if (IN_SET(log_target, LOG_TARGET_AUTO,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_JOURNAL)) {
k = write_to_journal(level, error, file, line, func, object_field, object, extra_field, extra, buffer);
if (k < 0) {
}
#endif // 0
- if (log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
- log_target == LOG_TARGET_SYSLOG) {
+ if (IN_SET(log_target, LOG_TARGET_SYSLOG_OR_KMSG,
+ LOG_TARGET_SYSLOG)) {
k = write_to_syslog(level, error, file, line, func, buffer);
if (k < 0) {
}
if (k <= 0 &&
- (log_target == LOG_TARGET_AUTO ||
- log_target == LOG_TARGET_SAFE ||
- log_target == LOG_TARGET_SYSLOG_OR_KMSG ||
- log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
- log_target == LOG_TARGET_KMSG)) {
+ IN_SET(log_target, LOG_TARGET_AUTO,
+ LOG_TARGET_SAFE,
+ LOG_TARGET_SYSLOG_OR_KMSG,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_KMSG)) {
k = write_to_kmsg(level, error, file, line, func, buffer);
if (k < 0) {
if (_likely_(LOG_PRI(level) > log_max_level))
return -error;
- return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer);
+ return log_dispatch_internal(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer);
}
int log_internalv(
vsnprintf(buffer, sizeof(buffer), format, ap);
- return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer);
+ return log_dispatch_internal(level, error, file, line, func, NULL, NULL, NULL, NULL, buffer);
}
int log_internal(
vsnprintf(b, l, format, ap);
- return log_dispatch(level, error, file, line, func, object_field, object, extra_field, extra, buffer);
+ return log_dispatch_internal(level, error, file, line, func,
+ object_field, object, extra_field, extra, buffer);
}
int log_object_internal(
return;
DISABLE_WARNING_FORMAT_NONLITERAL;
- xsprintf(buffer, format, text, file, line, func);
+ snprintf(buffer, sizeof buffer, format, text, file, line, func);
REENABLE_WARNING;
log_abort_msg = buffer;
- log_dispatch(level, 0, file, line, func, NULL, NULL, NULL, NULL, buffer);
+ log_dispatch_internal(level, 0, file, line, func, NULL, NULL, NULL, NULL, buffer);
}
noreturn void log_assert_failed(const char *text, const char *file, int line, const char *func) {
level = log_facility | LOG_PRI(level);
#if 0 /// elogind does not support logging to systemd-journald
- if ((log_target == LOG_TARGET_AUTO ||
- log_target == LOG_TARGET_JOURNAL_OR_KMSG ||
- log_target == LOG_TARGET_JOURNAL) &&
+ if (IN_SET(log_target, LOG_TARGET_AUTO,
+ LOG_TARGET_JOURNAL_OR_KMSG,
+ LOG_TARGET_JOURNAL) &&
journal_fd >= 0) {
char header[LINE_MAX];
struct iovec iovec[17] = {};
if (!found)
return -error;
- return log_dispatch(level, error, file, line, func, NULL, NULL, NULL, NULL, buf + 8);
+ return log_dispatch_internal(level, error, file, line, func, NULL, NULL, NULL, NULL, buf + 8);
}
int log_set_target_from_string(const char *e) {
return 0;
}
-static int parse_proc_cmdline_item(const char *key, const char *value) {
+static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
/*
* The systemd.log_xyz= settings are parsed by all tools, and
if (streq(key, "debug") && !value)
log_set_max_level(LOG_DEBUG);
- else if (streq(key, "systemd.log_target") && value) {
+ else if (proc_cmdline_key_streq(key, "systemd.log_target")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
if (log_set_target_from_string(value) < 0)
log_warning("Failed to parse log target '%s'. Ignoring.", value);
- } else if (streq(key, "systemd.log_level") && value) {
+ } else if (proc_cmdline_key_streq(key, "systemd.log_level")) {
+
+ if (proc_cmdline_value_missing(key, value))
+ return 0;
if (log_set_max_level_from_string(value) < 0)
log_warning("Failed to parse log level '%s'. Ignoring.", value);
- } else if (streq(key, "systemd.log_color") && value) {
+ } else if (proc_cmdline_key_streq(key, "systemd.log_color")) {
- if (log_show_color_from_string(value) < 0)
+ if (log_show_color_from_string(value ?: "1") < 0)
log_warning("Failed to parse log color setting '%s'. Ignoring.", value);
- } else if (streq(key, "systemd.log_location") && value) {
+ } else if (proc_cmdline_key_streq(key, "systemd.log_location")) {
- if (log_show_location_from_string(value) < 0)
+ if (log_show_location_from_string(value ?: "1") < 0)
log_warning("Failed to parse log location setting '%s'. Ignoring.", value);
}
const char *e;
if (get_ctty_devnr(0, NULL) < 0)
- /* Only try to read the command line in daemons.
- We assume that anything that has a controlling
- tty is user stuff. */
- (void) parse_proc_cmdline(parse_proc_cmdline_item);
+ /* Only try to read the command line in daemons. We assume that anything that has a controlling tty is
+ user stuff. */
+ (void) proc_cmdline_parse(parse_proc_cmdline_item, NULL, PROC_CMDLINE_STRIP_RD_PREFIX);
e = secure_getenv("SYSTEMD_LOG_TARGET");
if (e && log_set_target_from_string(e) < 0)
}
bool log_on_console(void) {
- if (log_target == LOG_TARGET_CONSOLE ||
- log_target == LOG_TARGET_CONSOLE_PREFIXED)
+ if (IN_SET(log_target, LOG_TARGET_CONSOLE,
+ LOG_TARGET_CONSOLE_PREFIXED))
return true;
return syslog_fd < 0 && kmsg_fd < 0 && journal_fd < 0;
PROTECT_ERRNO;
char buffer[LINE_MAX];
- int r;
va_list ap;
+ const char *unit_fmt = NULL;
if (error < 0)
error = -error;
va_end(ap);
if (unit)
- r = log_struct_internal(
- level, error,
- file, line, func,
- getpid() == 1 ? "UNIT=%s" : "USER_UNIT=%s", unit,
- LOG_MESSAGE_ID(SD_MESSAGE_INVALID_CONFIGURATION),
- "CONFIG_FILE=%s", config_file,
- "CONFIG_LINE=%u", config_line,
- LOG_MESSAGE("[%s:%u] %s", config_file, config_line, buffer),
- NULL);
- else
- r = log_struct_internal(
- level, error,
- file, line, func,
- LOG_MESSAGE_ID(SD_MESSAGE_INVALID_CONFIGURATION),
- "CONFIG_FILE=%s", config_file,
- "CONFIG_LINE=%u", config_line,
- LOG_MESSAGE("[%s:%u] %s", config_file, config_line, buffer),
- NULL);
+ unit_fmt = getpid() == 1 ? "UNIT=%s" : "USER_UNIT=%s";
+
+ return log_struct_internal(
+ level, error,
+ file, line, func,
+ "MESSAGE_ID=" SD_MESSAGE_INVALID_CONFIGURATION_STR,
+ "CONFIG_FILE=%s", config_file,
+ "CONFIG_LINE=%u", config_line,
+ LOG_MESSAGE("%s:%u: %s", config_file, config_line, buffer),
+ unit_fmt, unit,
+ NULL);
+}
- return r;
+#if 0 /// UNNEEDED by elogind
+void log_set_always_reopen_console(bool b) {
+ always_reopen_console = b;
}
+#endif // 0