static void test_runlevel_to_target(void) {
in_initrd_force(false);
assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
assert_se(streq_ptr(runlevel_to_target("rd.rescue"), NULL));
in_initrd_force(true);
assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.unknown-runlevel"), NULL));
assert_se(streq_ptr(runlevel_to_target("3"), NULL));
assert_se(streq_ptr(runlevel_to_target("rd.rescue"), SPECIAL_RESCUE_TARGET));
}
static int parse_proc_cmdline_item(const char *key, const char *value, void *data) {
assert(key);
/* Check if a run level is specified on the kernel command line. The
* command line has higher priority than any on-disk configuration, so
* it'll make any symlink we create moot.
*/
if (streq(key, "systemd.unit") && !proc_cmdline_value_missing(key, value))
log_warning("Offline system update overriden by kernel command line systemd.unit= setting");
else if (!value && runlevel_to_target(key))
log_warning("Offline system update overriden by runlevel \"%s\" on the kernel command line", key);
return 0;
}
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
assert(key);
if (streq(key, "systemd.mask")) {
if (!value)
log_error("Missing argument for systemd.mask= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_mask, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.wants")) {
if (!value)
log_error("Missing argument for systemd.want= kernel command line parameter.");
else {
char *n;
r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
if (r < 0)
return log_error_errno(r, "Failed to glob unit name: %m");
r = strv_consume(&arg_wants, n);
if (r < 0)
return log_oom();
}
} else if (streq(key, "systemd.debug-shell")) {
if (value) {
r = parse_boolean(value);
if (r < 0)
log_error("Failed to parse systemd.debug-shell= argument '%s', ignoring.", value);
else
arg_debug_shell = r;
} else
arg_debug_shell = true;
} else if (streq(key, "systemd.unit")) {
if (!value)
log_error("Missing argument for systemd.unit= kernel command line parameter.");
else {
r = free_and_strdup(&arg_default_unit, value);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", value);
}
} else if (!value) {
const char *target;
target = runlevel_to_target(key);
if (target) {
r = free_and_strdup(&arg_default_unit, target);
if (r < 0)
return log_error_errno(r, "Failed to set default unit %s: %m", target);
}
}
return 0;
}
