X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Ffirstboot%2Ffirstboot.c;fp=src%2Ffirstboot%2Ffirstboot.c;h=56893d0e37031f5db0670b561fdbf11524d3cace;hp=0000000000000000000000000000000000000000;hb=418b9be50018303cde79b423d4701b7fd86ddbdc;hpb=037c26d0aeb750ca9c8d605884ea1db7baecfea8
diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c
new file mode 100644
index 000000000..56893d0e3
--- /dev/null
+++ b/src/firstboot/firstboot.c
@@ -0,0 +1,930 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see .
+***/
+
+
+#include
+#include
+#include
+#include
+
+#include "strv.h"
+#include "fileio.h"
+#include "copy.h"
+#include "build.h"
+#include "mkdir.h"
+#include "time-util.h"
+#include "path-util.h"
+#include "locale-util.h"
+#include "ask-password-api.h"
+
+static char *arg_root = NULL;
+static char *arg_locale = NULL; /* $LANG */
+static char *arg_locale_messages = NULL; /* $LC_MESSAGES */
+static char *arg_timezone = NULL;
+static char *arg_hostname = NULL;
+static sd_id128_t arg_machine_id = {};
+static char *arg_root_password = NULL;
+static bool arg_prompt_locale = false;
+static bool arg_prompt_timezone = false;
+static bool arg_prompt_hostname = false;
+static bool arg_prompt_root_password = false;
+static bool arg_copy_locale = false;
+static bool arg_copy_timezone = false;
+static bool arg_copy_root_password = false;
+
+#define prefix_roota(p) (arg_root ? (const char*) strappenda(arg_root, p) : (const char*) p)
+
+static void clear_string(char *x) {
+
+ if (!x)
+ return;
+
+ /* A delicious drop of snake-oil! */
+ memset(x, 'x', strlen(x));
+}
+
+static bool press_any_key(void) {
+ char k = 0;
+ bool need_nl = true;
+
+ printf("-- Press any key to proceed --");
+ fflush(stdout);
+
+ read_one_char(stdin, &k, (usec_t) -1, &need_nl);
+
+ if (need_nl)
+ putchar('\n');
+
+ return k != 'q';
+}
+
+static void print_welcome(void) {
+ _cleanup_free_ char *pretty_name = NULL;
+ const char *os_release = NULL;
+ static bool done = false;
+ int r;
+
+ if (done)
+ return;
+
+ os_release = prefix_roota("/etc/os-release");
+ r = parse_env_file(os_release, NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ NULL);
+ if (r == -ENOENT) {
+
+ os_release = prefix_roota("/usr/lib/os-release");
+ r = parse_env_file(os_release, NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ NULL);
+ }
+
+ if (r < 0 && r != -ENOENT)
+ log_warning("Failed to read os-release file: %s", strerror(-r));
+
+ printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n",
+ isempty(pretty_name) ? "Linux" : pretty_name);
+
+ press_any_key();
+
+ done = true;
+}
+
+static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) {
+ unsigned n, per_column, i, j;
+ unsigned break_lines, break_modulo;
+
+ assert(n_columns > 0);
+
+ n = strv_length(x);
+ per_column = (n + n_columns - 1) / n_columns;
+
+ break_lines = lines();
+ if (break_lines > 2)
+ break_lines--;
+
+ /* The first page gets two extra lines, since we want to show
+ * a title */
+ break_modulo = break_lines;
+ if (break_modulo > 3)
+ break_modulo -= 3;
+
+ for (i = 0; i < per_column; i++) {
+
+ for (j = 0; j < n_columns; j ++) {
+ _cleanup_free_ char *e = NULL;
+
+ if (j * per_column + i >= n)
+ break;
+
+ e = ellipsize(x[j * per_column + i], width, percentage);
+ if (!e)
+ return log_oom();
+
+ printf("%4u) %-*s", j * per_column + i + 1, width, e);
+ }
+
+ putchar('\n');
+
+ /* on the first screen we reserve 2 extra lines for the title */
+ if (i % break_lines == break_modulo) {
+ if (!press_any_key())
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) {
+ int r;
+
+ assert(text);
+ assert(is_valid);
+ assert(ret);
+
+ for (;;) {
+ _cleanup_free_ char *p = NULL;
+ unsigned u;
+
+ r = ask_string(&p, "%s %s (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET), text);
+ if (r < 0) {
+ log_error("Failed to query user: %s", strerror(-r));
+ return r;
+ }
+
+ if (isempty(p)) {
+ log_warning("No data entered, skipping.");
+ return 0;
+ }
+
+ r = safe_atou(p, &u);
+ if (r >= 0) {
+ char *c;
+
+ if (u <= 0 || u > strv_length(l)) {
+ log_error("Specified entry number out of range.");
+ continue;
+ }
+
+ log_info("Selected '%s'.", l[u-1]);
+
+ c = strdup(l[u-1]);
+ if (!c)
+ return log_oom();
+
+ free(*ret);
+ *ret = c;
+ return 0;
+ }
+
+ if (!is_valid(p)) {
+ log_error("Entered data invalid.");
+ continue;
+ }
+
+ free(*ret);
+ *ret = p;
+ p = 0;
+ return 0;
+ }
+}
+
+static int prompt_locale(void) {
+ _cleanup_strv_free_ char **locales = NULL;
+ int r;
+
+ if (arg_locale || arg_locale_messages)
+ return 0;
+
+ if (!arg_prompt_locale)
+ return 0;
+
+ r = get_locales(&locales);
+ if (r < 0) {
+ log_error("Cannot query locales list: %s", strerror(-r));
+ return r;
+ }
+
+ print_welcome();
+
+ printf("\nAvailable Locales:\n\n");
+ r = show_menu(locales, 3, 22, 60);
+ if (r < 0)
+ return r;
+
+ putchar('\n');
+
+ r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale);
+ if (r < 0)
+ return r;
+
+ if (isempty(arg_locale))
+ return 0;
+
+ r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int process_locale(void) {
+ const char *etc_localeconf;
+ char* locales[3];
+ unsigned i = 0;
+ int r;
+
+ etc_localeconf = prefix_roota("/etc/locale.conf");
+ if (faccessat(AT_FDCWD, etc_localeconf, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
+ return 0;
+
+ if (arg_copy_locale && arg_root) {
+
+ mkdir_parents(etc_localeconf, 0755);
+ r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644);
+ if (r != -ENOENT) {
+ if (r < 0) {
+ log_error("Failed to copy %s: %s", etc_localeconf, strerror(-r));
+ return r;
+ }
+
+ log_info("%s copied.", etc_localeconf);
+ return 0;
+ }
+ }
+
+ r = prompt_locale();
+ if (r < 0)
+ return r;
+
+ if (!isempty(arg_locale))
+ locales[i++] = strappenda("LANG=", arg_locale);
+ if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale))
+ locales[i++] = strappenda("LC_MESSAGES=", arg_locale_messages);
+
+ if (i == 0)
+ return 0;
+
+ locales[i] = NULL;
+
+ mkdir_parents(etc_localeconf, 0755);
+ r = write_env_file(etc_localeconf, locales);
+ if (r < 0) {
+ log_error("Failed to write %s: %s", etc_localeconf, strerror(-r));
+ return r;
+ }
+
+ log_info("%s written.", etc_localeconf);
+ return 0;
+}
+
+static int prompt_timezone(void) {
+ _cleanup_strv_free_ char **zones = NULL;
+ int r;
+
+ if (arg_timezone)
+ return 0;
+
+ if (!arg_prompt_timezone)
+ return 0;
+
+ r = get_timezones(&zones);
+ if (r < 0) {
+ log_error("Cannot query timezone list: %s", strerror(-r));
+ return r;
+ }
+
+ print_welcome();
+
+ printf("\nAvailable Time Zones:\n\n");
+ r = show_menu(zones, 3, 22, 30);
+ if (r < 0)
+ return r;
+
+ putchar('\n');
+
+ r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int process_timezone(void) {
+ const char *etc_localtime, *e;
+ int r;
+
+ etc_localtime = prefix_roota("/etc/localtime");
+ if (faccessat(AT_FDCWD, etc_localtime, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
+ return 0;
+
+ if (arg_copy_timezone && arg_root) {
+ _cleanup_free_ char *p = NULL;
+
+ r = readlink_malloc("/etc/localtime", &p);
+ if (r != -ENOENT) {
+ if (r < 0) {
+ log_error("Failed to read host timezone: %s", strerror(-r));
+ return r;
+ }
+
+ mkdir_parents(etc_localtime, 0755);
+ if (symlink(p, etc_localtime) < 0) {
+ log_error("Failed to create %s symlink: %m", etc_localtime);
+ return -errno;
+ }
+
+ log_info("%s copied.", etc_localtime);
+ return 0;
+ }
+ }
+
+ r = prompt_timezone();
+ if (r < 0)
+ return r;
+
+ if (isempty(arg_timezone))
+ return 0;
+
+ e = strappenda("../usr/share/zoneinfo/", arg_timezone);
+
+ mkdir_parents(etc_localtime, 0755);
+ if (symlink(e, etc_localtime) < 0) {
+ log_error("Failed to create %s symlink: %m", etc_localtime);
+ return -errno;
+ }
+
+ log_info("%s written", etc_localtime);
+ return 0;
+}
+
+static int prompt_hostname(void) {
+ int r;
+
+ if (arg_hostname)
+ return 0;
+
+ if (!arg_prompt_hostname)
+ return 0;
+
+ print_welcome();
+ putchar('\n');
+
+ for (;;) {
+ _cleanup_free_ char *h = NULL;
+
+ r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET));
+ if (r < 0) {
+ log_error("Failed to query hostname: %s", strerror(-r));
+ return r;
+ }
+
+ if (isempty(h)) {
+ log_warning("No hostname entered, skipping.");
+ break;
+ }
+
+ if (!hostname_is_valid(h)) {
+ log_error("Specified hostname invalid.");
+ continue;
+ }
+
+ arg_hostname = h;
+ h = NULL;
+ break;
+ }
+
+ return 0;
+}
+
+static int process_hostname(void) {
+ const char *etc_hostname;
+ int r;
+
+ etc_hostname = prefix_roota("/etc/hostname");
+ if (faccessat(AT_FDCWD, etc_hostname, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
+ return 0;
+
+ r = prompt_hostname();
+ if (r < 0)
+ return r;
+
+ if (isempty(arg_hostname))
+ return 0;
+
+ mkdir_parents(etc_hostname, 0755);
+ r = write_string_file(etc_hostname, arg_hostname);
+ if (r < 0) {
+ log_error("Failed to write %s: %s", etc_hostname, strerror(-r));
+ return r;
+ }
+
+ log_info("%s written.", etc_hostname);
+ return 0;
+}
+
+static int process_machine_id(void) {
+ const char *etc_machine_id;
+ char id[SD_ID128_STRING_MAX];
+ int r;
+
+ etc_machine_id = prefix_roota("/etc/machine-id");
+ if (faccessat(AT_FDCWD, etc_machine_id, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
+ return 0;
+
+ if (!arg_root)
+ return 0;
+
+ if (sd_id128_equal(arg_machine_id, SD_ID128_NULL))
+ return 0;
+
+ mkdir_parents(etc_machine_id, 0755);
+ r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id));
+ if (r < 0) {
+ log_error("Failed to write machine id: %s", strerror(-r));
+ return r;
+ }
+
+ log_info("%s written.", etc_machine_id);
+ 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("/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, 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, 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 write_root_shadow(const char *path, const struct spwd *p) {
+ _cleanup_fclose_ FILE *f = NULL;
+ assert(path);
+ assert(p);
+
+ mkdir_parents(path, 0755);
+ f = fopen(path, "wex");
+ if (!f)
+ return -errno;
+
+ errno = 0;
+ if (putspent(p, f) != 0)
+ return errno ? -errno : -EIO;
+
+ return fflush_and_check(f);
+}
+
+static int process_root_password(void) {
+
+ static const char table[] =
+ "abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+ "0123456789"
+ "./";
+
+ struct spwd item = {
+ .sp_namp = (char*) "root",
+ .sp_min = 0,
+ .sp_max = 99999,
+ .sp_warn = 7,
+ .sp_inact = -1,
+ .sp_expire = -1,
+ .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
+ };
+ char salt[3+16+1+1];
+ uint8_t raw[16];
+ unsigned i;
+ char *j;
+
+ const char *etc_shadow;
+ int r;
+
+ etc_shadow = prefix_roota("/etc/shadow");
+ if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
+ return 0;
+
+ if (arg_copy_root_password && arg_root) {
+ struct spwd *p;
+
+ errno = 0;
+ p = getspnam("root");
+ if (p || errno != ENOENT) {
+ if (!p) {
+ if (!errno)
+ errno = EIO;
+
+ log_error("Failed to find shadow entry for root: %m");
+ return -errno;
+ }
+
+ r = write_root_shadow(etc_shadow, p);
+ if (r < 0) {
+ log_error("Failed to write %s: %s", etc_shadow, strerror(-r));
+ return r;
+ }
+
+ log_info("%s copied.", etc_shadow);
+ return 0;
+ }
+ }
+
+ r = prompt_root_password();
+ if (r < 0)
+ return r;
+
+ if (!arg_root_password)
+ return 0;
+
+ r = dev_urandom(raw, 16);
+ if (r < 0) {
+ log_error("Failed to get salt: %s", strerror(-r));
+ return r;
+ }
+
+ /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */
+ assert_cc(sizeof(table) == 64 + 1);
+ j = stpcpy(salt, "$6$");
+ for (i = 0; i < 16; i++)
+ j[i] = table[raw[i] & 63];
+ j[i++] = '$';
+ j[i] = 0;
+
+ errno = 0;
+ item.sp_pwdp = crypt(arg_root_password, salt);
+ if (!item.sp_pwdp) {
+ if (!errno)
+ errno = -EINVAL;
+
+ log_error("Failed to encrypt password: %m");
+ return -errno;
+ }
+
+ item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
+
+ r = write_root_shadow(etc_shadow, &item);
+ if (r < 0) {
+ log_error("Failed to write %s: %s", etc_shadow, strerror(-r));
+ return r;
+ }
+
+ log_info("%s written.", etc_shadow);
+ return 0;
+}
+
+static int help(void) {
+
+ printf("%s [OPTIONS...]\n\n"
+ "Configures basic settings of the system.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --root=PATH Operate on an alternate filesystem root\n"
+ " --locale=LOCALE Set primary locale (LANG=)\n"
+ " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n"
+ " --timezone=TIMEZONE Set timezone\n"
+ " --hostname=NAME Set host name\n"
+ " --machine-ID=ID Set machine ID\n"
+ " --root-password=PASSWORD Set root password\n"
+ " --root-password-file=FILE Set root password from file\n"
+ " --prompt-locale Prompt the user for locale settings\n"
+ " --prompt-timezone Prompt the user for timezone\n"
+ " --prompt-hostname Prompt the user for hostname\n"
+ " --prompt-root-password Prompt the user for root password\n"
+ " --prompt Prompt for locale, timezone, hostname, root password\n"
+ " --copy-locale Copy locale from host\n"
+ " --copy-timezone Copy timezone from host\n"
+ " --copy-root-password Copy root password from host\n"
+ " --copy Copy locale, timezone, root password\n"
+ " --setup-machine-id Generate a new random machine ID\n",
+ program_invocation_short_name);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100,
+ ARG_ROOT,
+ ARG_LOCALE,
+ ARG_LOCALE_MESSAGES,
+ ARG_TIMEZONE,
+ ARG_HOSTNAME,
+ ARG_MACHINE_ID,
+ ARG_ROOT_PASSWORD,
+ ARG_ROOT_PASSWORD_FILE,
+ ARG_PROMPT,
+ ARG_PROMPT_LOCALE,
+ ARG_PROMPT_TIMEZONE,
+ ARG_PROMPT_HOSTNAME,
+ ARG_PROMPT_ROOT_PASSWORD,
+ ARG_COPY,
+ ARG_COPY_LOCALE,
+ ARG_COPY_TIMEZONE,
+ ARG_COPY_ROOT_PASSWORD,
+ ARG_SETUP_MACHINE_ID,
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "locale", required_argument, NULL, ARG_LOCALE },
+ { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
+ { "timezone", required_argument, NULL, ARG_TIMEZONE },
+ { "hostname", required_argument, NULL, ARG_HOSTNAME },
+ { "machine-id", required_argument, NULL, ARG_MACHINE_ID },
+ { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD },
+ { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE },
+ { "prompt", no_argument, NULL, ARG_PROMPT },
+ { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
+ { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE },
+ { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME },
+ { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD },
+ { "copy", no_argument, NULL, ARG_COPY },
+ { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
+ { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
+ { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
+ { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
+ {}
+ };
+
+ int r, c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ puts(PACKAGE_STRING);
+ puts(SYSTEMD_FEATURES);
+ return 0;
+
+ case ARG_ROOT:
+ free(arg_root);
+ arg_root = path_make_absolute_cwd(optarg);
+ if (!arg_root)
+ return log_oom();
+
+ path_kill_slashes(arg_root);
+
+ if (path_equal(arg_root, "/")) {
+ free(arg_root);
+ arg_root = NULL;
+ }
+
+ break;
+
+ case ARG_LOCALE:
+ if (!locale_is_valid(optarg)) {
+ log_error("Locale %s is not valid.", optarg);
+ return -EINVAL;
+ }
+
+ free(arg_locale);
+ arg_locale = strdup(optarg);
+ if (!arg_locale)
+ return log_oom();
+
+ break;
+
+ case ARG_LOCALE_MESSAGES:
+ if (!locale_is_valid(optarg)) {
+ log_error("Locale %s is not valid.", optarg);
+ return -EINVAL;
+ }
+
+ free(arg_locale_messages);
+ arg_locale_messages = strdup(optarg);
+ if (!arg_locale_messages)
+ return log_oom();
+
+ break;
+
+ case ARG_TIMEZONE:
+ if (!timezone_is_valid(optarg)) {
+ log_error("Timezone %s is not valid.", optarg);
+ return -EINVAL;
+ }
+
+ free(arg_timezone);
+ arg_timezone = strdup(optarg);
+ if (!arg_timezone)
+ return log_oom();
+
+ break;
+
+ case ARG_ROOT_PASSWORD:
+ free(arg_root_password);
+ arg_root_password = strdup(optarg);
+ if (!arg_root_password)
+ return log_oom();
+
+ break;
+
+ case ARG_ROOT_PASSWORD_FILE:
+ free(arg_root_password);
+ arg_root_password = NULL;
+
+ r = read_one_line_file(optarg, &arg_root_password);
+ if (r < 0) {
+ log_error("Failed to read %s: %s", optarg, strerror(-r));
+ return r;
+ }
+
+ break;
+
+ case ARG_HOSTNAME:
+ if (!hostname_is_valid(optarg)) {
+ log_error("Host name %s is not valid.", optarg);
+ return -EINVAL;
+ }
+
+ free(arg_hostname);
+ arg_hostname = strdup(optarg);
+ if (!arg_hostname)
+ return log_oom();
+
+ break;
+
+ case ARG_MACHINE_ID:
+ if (sd_id128_from_string(optarg, &arg_machine_id) < 0) {
+ log_error("Failed to parse machine id %s.", optarg);
+ return -EINVAL;
+ }
+
+ break;
+
+ case ARG_PROMPT:
+ arg_prompt_locale = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true;
+ break;
+
+ case ARG_PROMPT_LOCALE:
+ arg_prompt_locale = true;
+ break;
+
+ case ARG_PROMPT_TIMEZONE:
+ arg_prompt_timezone = true;
+ break;
+
+ case ARG_PROMPT_HOSTNAME:
+ arg_prompt_hostname = true;
+ break;
+
+ case ARG_PROMPT_ROOT_PASSWORD:
+ arg_prompt_root_password = true;
+ break;
+
+ case ARG_COPY:
+ arg_copy_locale = arg_copy_timezone = arg_copy_root_password = true;
+
+ case ARG_COPY_LOCALE:
+ arg_copy_locale = true;
+ break;
+
+ case ARG_COPY_TIMEZONE:
+ arg_copy_timezone = true;
+ break;
+
+ case ARG_COPY_ROOT_PASSWORD:
+ arg_copy_root_password = true;
+ break;
+
+ case ARG_SETUP_MACHINE_ID:
+
+ r = sd_id128_randomize(&arg_machine_id);
+ if (r < 0) {
+ log_error("Failed to generate randomized machine ID: %s", strerror(-r));
+ return r;
+ }
+
+ break;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+ }
+
+ return 1;
+}
+
+int main(int argc, char *argv[]) {
+ int r;
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ r = process_locale();
+ if (r < 0)
+ goto finish;
+
+ r = process_timezone();
+ if (r < 0)
+ goto finish;
+
+ r = process_hostname();
+ if (r < 0)
+ goto finish;
+
+ r = process_machine_id();
+ if (r < 0)
+ goto finish;
+
+ r = process_root_password();
+ if (r < 0)
+ goto finish;
+
+finish:
+ free(arg_root);
+ free(arg_locale);
+ free(arg_locale_messages);
+ free(arg_timezone);
+ free(arg_hostname);
+ clear_string(arg_root_password);
+ free(arg_root_password);
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}