static int prompt_root_password(void) {
const char *msg1, *msg2, *etc_shadow;
int r;
if (arg_root_password)
return 0;
if (!arg_prompt_root_password)
return 0;
etc_shadow = prefix_roota("/etc/shadow");
if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
return 0;
print_welcome();
putchar('\n');
msg1 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
msg2 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: ");
for (;;) {
_cleanup_free_ char *a = NULL, *b = NULL;
r = ask_password_tty(msg1, 0, false, NULL, &a);
if (r < 0) {
log_error("Failed to query root password: %s", strerror(-r));
return r;
}
if (isempty(a)) {
log_warning("No password entered, skipping.");
break;
}
r = ask_password_tty(msg2, 0, false, NULL, &b);
if (r < 0) {
log_error("Failed to query root password: %s", strerror(-r));
clear_string(a);
return r;
}
if (!streq(a, b)) {
log_error("Entered passwords did not match, please try again.");
clear_string(a);
clear_string(b);
continue;
}
clear_string(b);
arg_root_password = a;
a = NULL;
break;
}
return 0;
}
static int prompt_root_password(void) {
const char *msg1, *msg2, *etc_shadow;
int r;
if (arg_root_password)
return 0;
if (!arg_prompt_root_password)
return 0;
etc_shadow = prefix_roota(arg_root, "/etc/shadow");
if (laccess(etc_shadow, F_OK) >= 0)
return 0;
print_welcome();
putchar('\n');
msg1 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
msg2 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter new root password again: ");
for (;;) {
_cleanup_strv_free_erase_ char **a = NULL, **b = NULL;
r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a);
if (r < 0)
return log_error_errno(r, "Failed to query root password: %m");
if (strv_length(a) != 1) {
log_warning("Received multiple passwords, where we expected one.");
return -EINVAL;
}
if (isempty(*a)) {
log_warning("No password entered, skipping.");
break;
}
r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b);
if (r < 0)
return log_error_errno(r, "Failed to query root password: %m");
if (!streq(*a, *b)) {
log_error("Entered passwords did not match, please try again.");
continue;
}
arg_root_password = TAKE_PTR(*a);
break;
}
return 0;
}
static int prompt_root_password(void) {
const char *msg1, *msg2, *etc_shadow;
int r;
if (arg_root_password)
return 0;
if (!arg_prompt_root_password)
return 0;
etc_shadow = prefix_roota(arg_root, "/etc/shadow");
if (laccess(etc_shadow, F_OK) >= 0)
return 0;
print_welcome();
putchar('\n');
msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: ");
for (;;) {
_cleanup_string_free_erase_ char *a = NULL, *b = NULL;
r = ask_password_tty(msg1, NULL, 0, 0, NULL, &a);
if (r < 0)
return log_error_errno(r, "Failed to query root password: %m");
if (isempty(a)) {
log_warning("No password entered, skipping.");
break;
}
r = ask_password_tty(msg2, NULL, 0, 0, NULL, &b);
if (r < 0)
return log_error_errno(r, "Failed to query root password: %m");
if (!streq(a, b)) {
log_error("Entered passwords did not match, please try again.");
continue;
}
arg_root_password = a;
a = NULL;
break;
}
return 0;
}
int main(int argc, char *argv[]) {
int r;
usec_t timeout;
log_parse_environment();
log_open();
if ((r = parse_argv(argc, argv)) <= 0)
goto finish;
if (arg_timeout > 0)
timeout = now(CLOCK_MONOTONIC) + arg_timeout;
else
timeout = 0;
if (arg_use_tty && isatty(STDIN_FILENO)) {
char *password = NULL;
if ((r = ask_password_tty(arg_message, timeout, NULL, &password)) >= 0) {
puts(password);
free(password);
}
} else {
char **l;
if ((r = ask_password_agent(arg_message, arg_icon, timeout, arg_accept_cached, &l)) >= 0) {
char **p;
STRV_FOREACH(p, l) {
puts(*p);
if (!arg_multiple)
break;
}
strv_free(l);
}
