#include "sd-bus.h"
#include "sd-daemon.h"
+#include "sd-messages.h"
#include "alloc-util.h"
#include "architecture.h"
static int fixup_environment(void) {
_cleanup_free_ char *term = NULL;
+ const char *t;
int r;
/* We expect the environment to be set correctly
r = proc_cmdline_get_key("TERM", 0, &term);
if (r < 0)
return r;
- if (r == 0) {
- term = strdup(default_term_for_tty("/dev/console"));
- if (!term)
- return -ENOMEM;
- }
- if (setenv("TERM", term, 1) < 0)
+ t = term ?: default_term_for_tty("/dev/console");
+
+ if (setenv("TERM", t, 1) < 0)
return -errno;
return 0;
arg_syscall_archs = set_free(arg_syscall_archs);
}
+static int load_configuration(int argc, char **argv, const char **ret_error_message) {
+ int r;
+
+ assert(ret_error_message);
+
+ arg_default_tasks_max = system_tasks_max_scale(DEFAULT_TASKS_MAX_PERCENTAGE, 100U);
+
+ r = parse_config_file();
+ if (r < 0) {
+ *ret_error_message = "Failed to parse config file";
+ return r;
+ }
+
+ if (arg_system) {
+ r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
+ }
+
+ /* Note that this also parses bits from the kernel command line, including "debug". */
+ log_parse_environment();
+
+ r = parse_argv(argc, argv);
+ if (r < 0) {
+ *ret_error_message = "Failed to parse commandline arguments";
+ return r;
+ }
+
+ /* Initialize default unit */
+ if (!arg_default_unit) {
+ arg_default_unit = strdup(SPECIAL_DEFAULT_TARGET);
+ if (!arg_default_unit) {
+ *ret_error_message = "Failed to set default unit";
+ return log_oom();
+ }
+ }
+
+ return 0;
+}
+
+static int safety_checks(void) {
+
+ if (arg_action == ACTION_TEST &&
+ geteuid() == 0) {
+ log_error("Don't run test mode as root.");
+ return -EPERM;
+ }
+
+ if (!arg_system &&
+ arg_action == ACTION_RUN &&
+ sd_booted() <= 0) {
+ log_error("Trying to run as user instance, but the system has not been booted with systemd.");
+ return -EOPNOTSUPP;
+ }
+
+ if (!arg_system &&
+ arg_action == ACTION_RUN &&
+ !getenv("XDG_RUNTIME_DIR")) {
+ log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set.");
+ return -EUNATCH;
+ }
+
+ if (arg_system &&
+ arg_action == ACTION_RUN &&
+ running_in_chroot() > 0) {
+ log_error("Cannot be run in a chroot() environment.");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
(void) reset_all_signal_handlers();
(void) ignore_signals(SIGNALS_IGNORE, -1);
- arg_default_tasks_max = system_tasks_max_scale(DEFAULT_TASKS_MAX_PERCENTAGE, 100U);
-
- if (parse_config_file() < 0) {
- error_message = "Failed to parse config file";
- goto finish;
- }
-
- if (arg_system) {
- r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
- if (r < 0)
- log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
- }
-
- /* Note that this also parses bits from the kernel command
- * line, including "debug". */
- log_parse_environment();
-
- if (parse_argv(argc, argv) < 0) {
- error_message = "Failed to parse commandline arguments";
- goto finish;
- }
-
- /* Initialize default unit */
- if (!arg_default_unit) {
- arg_default_unit = strdup(SPECIAL_DEFAULT_TARGET);
- if (!arg_default_unit) {
- r = log_oom();
- error_message = "Failed to set default unit";
- goto finish;
- }
- }
-
- if (arg_action == ACTION_TEST &&
- geteuid() == 0) {
- log_error("Don't run test mode as root.");
- goto finish;
- }
-
- if (!arg_system &&
- arg_action == ACTION_RUN &&
- sd_booted() <= 0) {
- log_error("Trying to run as user instance, but the system has not been booted with systemd.");
+ r = load_configuration(argc, argv, &error_message);
+ if (r < 0)
goto finish;
- }
- if (arg_system &&
- arg_action == ACTION_RUN &&
- running_in_chroot() > 0) {
- log_error("Cannot be run in a chroot() environment.");
+ r = safety_checks();
+ if (r < 0)
goto finish;
- }
- if (IN_SET(arg_action, ACTION_TEST, ACTION_HELP)) {
+ if (IN_SET(arg_action, ACTION_TEST, ACTION_HELP, ACTION_DUMP_CONFIGURATION_ITEMS))
pager_open(arg_no_pager, false);
+
+ if (arg_action != ACTION_RUN)
skip_setup = true;
- }
if (arg_action == ACTION_HELP) {
retval = help();
retval = version();
goto finish;
} else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
- pager_open(arg_no_pager, false);
unit_dump_config_items(stdout);
retval = EXIT_SUCCESS;
goto finish;
}
- if (!arg_system &&
- !getenv("XDG_RUNTIME_DIR")) {
- log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set.");
- goto finish;
- }
-
assert_se(IN_SET(arg_action, ACTION_RUN, ACTION_TEST));
/* Close logging fds, in order not to confuse fdset below */
taint = manager_taint_string(m);
if (!isempty(taint))
- log_notice("System is tainted: %s", taint);
+ log_struct(LOG_NOTICE,
+ LOG_MESSAGE("System is tainted: %s", taint),
+ "TAINT=%s", taint,
+ "MESSAGE_ID=" SD_MESSAGE_TAINTED_STR,
+ NULL);
}
if (arg_action == ACTION_TEST) {
projects / thirdparty / systemd.git / blobdiff