/* this function is intended to encapsulate the basic swupd
* initializations for the majority of commands, that is:
* - Make sure root is the user running the code
* - Initialize globals
* - initialize mounted directories
* - Create necessary directories
* - Get the lock
* - Initialize curl
* - Initialize signature checking
*/
int swupd_init(void)
{
int ret = 0;
check_root();
record_fds();
/* Check that our system time is reasonably valid before continuing,
* or the certificate verification will fail with invalid time */
if (timecheck) {
if (!verify_time()) {
ret = EBADTIME;
goto out_fds;
}
}
if (!init_globals()) {
ret = EINIT_GLOBALS;
goto out_fds;
}
get_mounted_directories();
if (create_required_dirs()) {
ret = EREQUIRED_DIRS;
goto out_fds;
}
if (p_lockfile() < 0) {
ret = ELOCK_FILE;
goto out_fds;
}
if (swupd_curl_init() != 0) {
ret = ECURL_INIT;
goto out_close_lock;
}
/* If --nosigcheck, we do not attempt any signature checking */
if (sigcheck && !initialize_signature()) {
ret = ESIGNATURE;
terminate_signature();
goto out_close_lock;
}
return ret;
out_close_lock:
v_lockfile();
out_fds:
dump_file_descriptor_leaks();
return ret;
}
/*
** sync_test(menu)
**
** Run at the beginning of the pad tests and function key tests
*/
void
sync_test(
struct test_menu *menu)
{
control_init();
if (tty_can_sync == SYNC_NOT_TESTED) {
verify_time();
}
if (menu->menu_title) {
put_crlf();
ptextln(menu->menu_title);
}
}
void check_event_time(struct state *state, s64 live_usecs)
{
char *error = NULL;
const char *description = event_description(state->event);
if (verify_time(state,
state->event->time_type,
state->event->time_usecs,
state->event->time_usecs_end, live_usecs,
description, &error)) {
die("%s:%d: %s\n",
state->config->script_path,
state->event->line_number,
error);
}
}
/*
** curses_setup(exec_name)
**
** Startup ncurses
*/
void
curses_setup(
char *exec_name)
{
int status;
static TERMTYPE term;
char tty_filename[2048];
tty_init();
/**
See if the terminal is in the terminfo data base. This call has
two useful benefits, 1) it returns the filename of the terminfo entry,
and 2) it searches only terminfo's. This allows us to abort before
ncurses starts scanning the termcap file.
**/
if ((status = _nc_read_entry(tty_basename, tty_filename, &term)) == 0) {
const TERMTYPE *fallback = _nc_fallback(tty_basename);
if (fallback) {
term = *fallback;
sprintf(tty_filename, "(fallback)%s", tty_basename);
status = 1;
} else {
fprintf(stderr, "Terminal not found: TERM=%s\n", tty_basename);
show_usage(exec_name);
exit(1);
}
}
if (status == -1) {
fprintf(stderr, "Terminfo database is inaccessible\n");
exit(1);
}
/**
This call will load the terminfo data base and set the cur-term
variable. Only terminals that actually exist will get here so its
OK to ignore errors. This is a good thing since ncurses does not
permit (os) or (gn) to be set.
**/
setupterm(tty_basename, 1, &status);
/**
Get the current terminal definitions. This must be done before
getting the baudrate.
**/
_nc_get_curterm(&cur_term->Nttyb);
tty_baud_rate = baudrate();
tty_cps = (tty_baud_rate << 1) / tty_frame_size;
/* set up the defaults */
replace_mode = TRUE;
scan_mode = 0;
char_count = 0;
select_delay_type = debug_level = 0;
char_mask = (meta_on && meta_on[0] == '\0') ? ALLOW_PARITY : STRIP_PARITY;
/* Don't change the XON/XOFF modes yet. */
select_xon_xoff = initial_stty_query(TTY_XON_XOFF) ? 1 : needs_xon_xoff;
fflush(stdout); /* flush any output */
tty_set();
go_home(); /* set can_go_home */
put_clear(); /* set can_clear_screen */
if (send_reset_init) {
reset_init();
}
/*
I assume that the reset and init strings may not have the correct
pads. (Because that part of the test comes much later.) Because
of this, I allow the terminal some time to catch up.
*/
fflush(stdout); /* waste some time */
sleep(1); /* waste more time */
charset_can_test();
can_test("lines cols cr nxon rf if iprog rmp smcup rmcup", FLAG_CAN_TEST);
edit_init(); /* initialize the edit data base */
if (send_reset_init && enter_ca_mode) {
tc_putp(enter_ca_mode);
put_clear(); /* just in case we switched pages */
}
put_crlf();
ptext("Using terminfo from: ");
ptextln(tty_filename);
put_crlf();
if (tty_can_sync == SYNC_NEEDED) {
verify_time();
}
display_basic();
}
