int main(int argc, char *argv[]) {
int r = EXIT_SUCCESS;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
arg_dest = argv[1];
log_set_target(LOG_TARGET_SAFE);
log_parse_environment();
log_open();
umask(0022);
if (access(RC_LOCAL_SCRIPT_PATH_START, X_OK) >= 0) {
log_debug("Automatically adding rc-local.service.");
if (add_symlink("rc-local.service", "multi-user.target") < 0)
r = EXIT_FAILURE;
}
if (access(RC_LOCAL_SCRIPT_PATH_STOP, X_OK) >= 0) {
log_debug("Automatically adding halt-local.service.");
if (add_symlink("halt-local.service", "final.target") < 0)
r = EXIT_FAILURE;
}
return r;
}
static int add_container_getty(const char *tty) {
_cleanup_free_ char *n = NULL;
int r;
assert(tty);
log_debug("Automatically adding container getty for /dev/pts/%s.", tty);
r = unit_name_from_path_instance("container-getty", tty, ".service", &n);
if (r < 0)
return log_error_errno(r, "Failed to generate service name: %m");
return add_symlink("[email protected]", n);
}
static int add_serial_getty(const char *tty) {
char *n;
int r;
assert(tty);
log_debug("Automatically adding serial getty for /dev/%s.", tty);
n = unit_name_replace_instance("[email protected]", tty);
if (!n)
return log_oom();
r = add_symlink("[email protected]", n);
free(n);
return r;
}
int main(int argc, char *argv[]) {
static const char virtualization_consoles[] =
"hvc0\0"
"xvc0\0"
"hvsi0\0"
"sclp_line0\0"
"ttysclp0\0"
"3270!tty1\0";
_cleanup_free_ char *active = NULL;
const char *j;
int r;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
arg_dest = argv[1];
log_set_target(LOG_TARGET_SAFE);
log_parse_environment();
log_open();
umask(0022);
if (detect_container() > 0) {
_cleanup_free_ char *container_ttys = NULL;
log_debug("Automatically adding console shell.");
if (add_symlink("console-getty.service", "console-getty.service") < 0)
return EXIT_FAILURE;
/* When $container_ttys is set for PID 1, spawn
* gettys on all ptys named therein. Note that despite
* the variable name we only support ptys here. */
r = getenv_for_pid(1, "container_ttys", &container_ttys);
if (r > 0) {
const char *word, *state;
size_t l;
FOREACH_WORD(word, l, container_ttys, state) {
const char *t;
char tty[l + 1];
memcpy(tty, word, l);
tty[l] = 0;
/* First strip off /dev/ if it is specified */
t = path_startswith(tty, "/dev/");
if (!t)
t = tty;
/* Then, make sure it's actually a pty */
t = path_startswith(t, "pts/");
if (!t)
continue;
if (add_container_getty(t) < 0)
return EXIT_FAILURE;
}
}
/* Don't add any further magic if we are in a container */
return EXIT_SUCCESS;
}
int main(int argc, char *argv[]) {
static const char virtualization_consoles[] =
"hvc0\0"
"xvc0\0"
"hvsi0\0";
int r = EXIT_SUCCESS;
char *active;
const char *j;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
arg_dest = argv[1];
log_set_target(LOG_TARGET_SAFE);
log_parse_environment();
log_open();
umask(0022);
if (detect_container(NULL) > 0) {
log_debug("Automatically adding console shell.");
if (add_symlink("console-getty.service", "console-getty.service") < 0)
r = EXIT_FAILURE;
/* Don't add any further magic if we are in a container */
goto finish;
}
if (read_one_line_file("/sys/class/tty/console/active", &active) >= 0) {
const char *tty;
tty = strrchr(active, ' ');
if (tty)
tty ++;
else
tty = active;
/* Automatically add in a serial getty on the kernel
* console */
if (isempty(tty) || tty_is_vc(tty))
free(active);
else {
int k;
/* We assume that gettys on virtual terminals are
* started via manual configuration and do this magic
* only for non-VC terminals. */
k = add_serial_getty(tty);
free(active);
if (k < 0) {
r = EXIT_FAILURE;
goto finish;
}
}
}
/* Automatically add in a serial getty on the first
* virtualizer console */
NULSTR_FOREACH(j, virtualization_consoles) {
char *p;
int k;
if (asprintf(&p, "/sys/class/tty/%s", j) < 0) {
log_oom();
r = EXIT_FAILURE;
goto finish;
}
k = access(p, F_OK);
free(p);
if (k < 0)
continue;
k = add_serial_getty(j);
if (k < 0) {
r = EXIT_FAILURE;
goto finish;
}
}
