#include "kmod-setup.h"
#include "locale-setup.h"
#include "selinux-setup.h"
+#include "machine-id-setup.h"
#include "load-fragment.h"
#include "fdset.h"
#include "special.h"
static const char * const rlmap[] = {
"emergency", SPECIAL_EMERGENCY_TARGET,
+ "-b", SPECIAL_EMERGENCY_TARGET,
+ "b", SPECIAL_EMERGENCY_TARGET,
"single", SPECIAL_RESCUE_TARGET,
"-s", SPECIAL_RESCUE_TARGET,
"s", SPECIAL_RESCUE_TARGET,
int r;
size_t l;
+ /* Don't read /proc/cmdline if we are in a container, since
+ * that is only relevant for the host system */
+ if (detect_container(NULL) > 0)
+ return 0;
+
if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return 0;
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
+ if (getpid() == 1)
+ opterr = 0;
+
+ while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
switch (c) {
log_set_max_level(LOG_DEBUG);
break;
- case '?':
- return -EINVAL;
+ case 'b':
+ case 's':
+ case 'z':
+ /* Just to eat away the sysvinit kernel
+ * cmdline args without getopt() error
+ * messages that we'll parse in
+ * parse_proc_cmdline_word() or ignore. */
+ case '?':
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ if (getpid() != 1) {
+ log_error("Unknown option code %c", c);
+ return -EINVAL;
+ }
+
+ break;
}
- /* PID 1 will get the kernel arguments as parameters, which we
- * ignore and unconditionally read from
- * /proc/cmdline. However, we need to ignore those arguments
- * here. */
- if (arg_running_as != MANAGER_SYSTEM && optind < argc) {
- log_error("Excess arguments.");
- return -EINVAL;
+ if (optind < argc) {
+ if (getpid() != 1) {
+ /* Hmm, when we aren't run as init system
+ * let's complain about excess arguments */
+
+ log_error("Excess arguments.");
+ return -EINVAL;
+
+ } else if (detect_container(NULL) > 0) {
+ char **a;
+
+ /* All /proc/cmdline arguments the kernel
+ * didn't understand it passed to us. We're
+ * note really interested in that usually
+ * since /proc/cmdline is more interesting and
+ * complete. With one exception: if we are run
+ * in a container /proc/cmdline is not
+ * relevant for us, hence we rely on argv[]
+ * instead. */
+
+ for (a = argv + optind; a < argv + argc; a++)
+ if ((r = parse_proc_cmdline_word(*a)) < 0)
+ return r;
+ }
}
return 0;
assert(_fds);
if ((r = manager_open_serialization(m, &f)) < 0) {
- log_error("Failed to create serialization faile: %s", strerror(-r));
+ log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
}
static void test_mtab(void) {
char *p;
+ /* Check that /etc/mtab is a symlink */
+
if (readlink_malloc("/etc/mtab", &p) >= 0) {
bool b;
return;
}
- log_error("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
- "This is not supported anymore. "
- "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
+ log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
+ "This is not supported anymore. "
+ "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
+}
+
+static void test_usr(void) {
+
+ /* Check that /usr is not a separate fs */
+
+ if (dir_is_empty("/usr") > 0)
+ log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
+ "Some things will probably break (sometimes even silently) in mysterious ways. "
+ "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
}
int main(int argc, char *argv[]) {
char systemd[] = "systemd";
if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
- /* This is compatbility support for SysV, where
+ /* This is compatibility support for SysV, where
* calling init as a user is identical to telinit. */
errno = -ENOENT;
if (getpid() == 1) {
arg_running_as = MANAGER_SYSTEM;
- log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+ log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_SYSLOG_OR_KMSG);
/* This might actually not return, but cause a
* reexecution */
goto finish;
}
+ if (arg_running_as == MANAGER_SYSTEM &&
+ arg_action == ACTION_RUN &&
+ running_in_chroot() > 0) {
+ log_error("Cannot be run in a chroot() environment.");
+ goto finish;
+ }
+
/* If Plymouth is being run make sure we show the status, so
* that there's something nice to see when people press Esc */
- if (access("/dev/.systemd/plymouth", F_OK) >= 0)
+ if (access("/dev/.run/initramfs/plymouth", F_OK) >= 0)
arg_show_status = true;
if (arg_action == ACTION_HELP) {
* kernel that don't really make sense for us. */
unsetenv("HOME");
unsetenv("TERM");
+
+ /* All other variables are left as is, so that clients
+ * can still read them via /proc/1/environ */
}
/* Move out of the way, so that we won't block unmounts */
kmod_setup();
hostname_setup();
+ machine_id_setup();
loopback_setup();
- mkdir_p("/dev/.systemd/ask-password/", 0755);
-
test_mtab();
+ test_usr();
}
if ((r = manager_new(arg_running_as, &m)) < 0) {
~ianmdlvl / elogind.git / blobdiff