#include <fcntl.h>
#include <getopt.h>
+#include <linux/loop.h>
#include <unistd.h>
-#if HAVE_CRYPT_H
-/* libxcrypt is a replacement for glibc's libcrypt, and libcrypt might be
- * removed from glibc at some point. As part of the removal, defines for
- * crypt(3) are dropped from unistd.h, and we must include crypt.h instead.
- *
- * Newer versions of glibc (v2.0+) already ship crypt.h with a definition
- * of crypt(3) as well, so we simply include it if it is present. MariaDB,
- * MySQL, PostgreSQL, Perl and some other wide-spread packages do it the
- * same way since ages without any problems.
- */
-# include <crypt.h>
-#endif
-
#include "sd-id128.h"
#include "alloc-util.h"
#include "ask-password-api.h"
#include "copy.h"
+#include "dissect-image.h"
#include "env-file.h"
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "hostname-util.h"
#include "kbd-util.h"
+#include "libcrypt-util.h"
#include "locale-util.h"
+#include "loop-util.h"
#include "main-func.h"
#include "memory-util.h"
#include "mkdir.h"
+#include "mount-util.h"
+#include "namespace-util.h"
#include "os-util.h"
#include "parse-util.h"
#include "path-util.h"
#include "strv.h"
#include "terminal-util.h"
#include "time-util.h"
+#include "tmpfile-util-label.h"
+#include "tmpfile-util.h"
#include "umask-util.h"
#include "user-util.h"
static char *arg_root = NULL;
+static char *arg_image = NULL;
static char *arg_locale = NULL; /* $LANG */
static char *arg_keymap = NULL;
static char *arg_locale_messages = NULL; /* $LC_MESSAGES */
static char *arg_hostname = NULL;
static sd_id128_t arg_machine_id = {};
static char *arg_root_password = NULL;
+static char *arg_root_shell = NULL;
+static char *arg_kernel_cmdline = NULL;
static bool arg_prompt_locale = false;
static bool arg_prompt_keymap = false;
static bool arg_prompt_timezone = false;
static bool arg_prompt_hostname = false;
static bool arg_prompt_root_password = false;
+static bool arg_prompt_root_shell = false;
static bool arg_copy_locale = false;
static bool arg_copy_keymap = false;
static bool arg_copy_timezone = false;
static bool arg_copy_root_password = false;
+static bool arg_copy_root_shell = false;
+static bool arg_force = false;
+static bool arg_delete_root_password = false;
+static bool arg_root_password_is_hashed = false;
+static bool arg_welcome = true;
STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
+STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
STATIC_DESTRUCTOR_REGISTER(arg_locale, freep);
STATIC_DESTRUCTOR_REGISTER(arg_locale_messages, freep);
STATIC_DESTRUCTOR_REGISTER(arg_keymap, freep);
}
static void print_welcome(void) {
- _cleanup_free_ char *pretty_name = NULL;
+ _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
static bool done = false;
+ const char *pn;
int r;
+ if (!arg_welcome)
+ return;
+
if (done)
return;
- r = parse_os_release(arg_root, "PRETTY_NAME", &pretty_name, NULL);
+ r = parse_os_release(
+ arg_root,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
if (r < 0)
log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r,
"Failed to read os-release file, ignoring: %m");
- printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n",
- isempty(pretty_name) ? "Linux" : pretty_name);
+ pn = isempty(pretty_name) ? "Linux" : pretty_name;
+
+ if (colors_enabled())
+ printf("\nWelcome to your new installation of \x1B[%sm%s\x1B[0m!\n", ansi_color, pn);
+ else
+ printf("\nWelcome to your new installation of %s!\n", pn);
+
+ printf("\nPlease configure your system!\n\n");
press_any_key();
return 0;
}
-static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) {
+static int prompt_loop(const char *text, char **l, unsigned percentage, bool (*is_valid)(const char *name), char **ret) {
int r;
assert(text);
_cleanup_free_ char *p = NULL;
unsigned u;
- r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), text);
+ r = ask_string(&p, "%s %s (empty to skip, \"list\" to list options): ",
+ special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), text);
if (r < 0)
return log_error_errno(r, "Failed to query user: %m");
return 0;
}
+ if (streq(p, "list")) {
+ r = show_menu(l, 3, 22, percentage);
+ if (r < 0)
+ return r;
+
+ putchar('\n');
+ continue;
+ };
+
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)
+ if (free_and_strdup(ret, l[u-1]) < 0)
return log_oom();
- free(*ret);
- *ret = c;
return 0;
}
continue;
}
- free(*ret);
- *ret = p;
- p = 0;
- return 0;
+ return free_and_replace(*ret, p);
}
}
+static bool locale_is_ok(const char *name) {
+
+ if (arg_root)
+ return locale_is_valid(name);
+
+ return locale_is_installed(name) > 0;
+}
+
static int prompt_locale(void) {
_cleanup_strv_free_ char **locales = NULL;
int r;
if (r < 0)
return log_error_errno(r, "Cannot query locales list: %m");
- print_welcome();
+ if (strv_isempty(locales))
+ log_debug("No locales found, skipping locale selection.");
+ else if (strv_length(locales) == 1) {
- printf("\nAvailable Locales:\n\n");
- r = show_menu(locales, 3, 22, 60);
- if (r < 0)
- return r;
+ if (streq(locales[0], SYSTEMD_DEFAULT_LOCALE))
+ log_debug("Only installed locale is default locale anyway, not setting locale explicitly.");
+ else {
+ log_debug("Only a single locale available (%s), selecting it as default.", locales[0]);
- putchar('\n');
+ arg_locale = strdup(locales[0]);
+ if (!arg_locale)
+ return log_oom();
- r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale);
- if (r < 0)
- return r;
+ /* Not setting arg_locale_message here, since it defaults to LANG anyway */
+ }
+ } else {
+ print_welcome();
- if (isempty(arg_locale))
- return 0;
+ r = prompt_loop("Please enter system locale name or number",
+ locales, 60, locale_is_ok, &arg_locale);
+ if (r < 0)
+ return r;
- r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages);
- if (r < 0)
- return r;
+ if (isempty(arg_locale))
+ return 0;
+
+ r = prompt_loop("Please enter system message locale name or number",
+ locales, 60, locale_is_ok, &arg_locale_messages);
+ if (r < 0)
+ return r;
+
+ /* Suppress the messages setting if it's the same as the main locale anyway */
+ if (streq_ptr(arg_locale, arg_locale_messages))
+ arg_locale_messages = mfree(arg_locale_messages);
+ }
return 0;
}
int r;
etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf");
- if (laccess(etc_localeconf, F_OK) >= 0)
+ if (laccess(etc_localeconf, F_OK) >= 0 && !arg_force)
return 0;
if (arg_copy_locale && arg_root) {
print_welcome();
- printf("\nAvailable keymaps:\n\n");
- r = show_menu(kmaps, 3, 22, 60);
- if (r < 0)
- return r;
-
- putchar('\n');
-
return prompt_loop("Please enter system keymap name or number",
- kmaps, keymap_is_valid, &arg_keymap);
+ kmaps, 60, keymap_is_valid, &arg_keymap);
}
static int process_keymap(void) {
int r;
etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf");
- if (laccess(etc_vconsoleconf, F_OK) >= 0)
+ if (laccess(etc_vconsoleconf, F_OK) >= 0 && !arg_force)
return 0;
if (arg_copy_keymap && arg_root) {
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_log_error, &arg_timezone);
+ r = prompt_loop("Please enter timezone name or number",
+ zones, 30, timezone_is_valid_log_error, &arg_timezone);
if (r < 0)
return r;
int r;
etc_localtime = prefix_roota(arg_root, "/etc/localtime");
- if (laccess(etc_localtime, F_OK) >= 0)
+ if (laccess(etc_localtime, F_OK) >= 0 && !arg_force)
return 0;
if (arg_copy_timezone && arg_root) {
int r;
etc_hostname = prefix_roota(arg_root, "/etc/hostname");
- if (laccess(etc_hostname, F_OK) >= 0)
+ if (laccess(etc_hostname, F_OK) >= 0 && !arg_force)
return 0;
r = prompt_hostname();
return 0;
r = write_string_file(etc_hostname, arg_hostname,
- WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755);
+ WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755 |
+ (arg_force ? WRITE_STRING_FILE_ATOMIC : 0));
if (r < 0)
return log_error_errno(r, "Failed to write %s: %m", etc_hostname);
int r;
etc_machine_id = prefix_roota(arg_root, "/etc/machine-id");
- if (laccess(etc_machine_id, F_OK) >= 0)
+ if (laccess(etc_machine_id, F_OK) >= 0 && !arg_force)
return 0;
if (sd_id128_is_null(arg_machine_id))
return 0;
r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id),
- WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755);
+ WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755 |
+ (arg_force ? WRITE_STRING_FILE_ATOMIC : 0));
if (r < 0)
return log_error_errno(r, "Failed to write machine id: %m");
}
static int prompt_root_password(void) {
- const char *msg1, *msg2, *etc_shadow;
+ const char *msg1, *msg2;
int r;
if (arg_root_password)
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: ");
+ 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 (strv_length(a) != 1)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO),
+ "Received multiple passwords, where we expected one.");
if (isempty(*a)) {
log_warning("No password entered, skipping.");
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 (strv_length(b) != 1)
+ return log_error_errno(SYNTHETIC_ERRNO(EIO),
+ "Received multiple passwords, where we expected one.");
if (!streq(*a, *b)) {
log_error("Entered passwords did not match, please try again.");
return 0;
}
-static int write_root_shadow(const char *path, const struct spwd *p) {
- _cleanup_fclose_ FILE *f = NULL;
+static int find_shell(const char *path, const char *root) {
int r;
assert(path);
- assert(p);
- RUN_WITH_UMASK(0777)
- f = fopen(path, "wex");
- if (!f)
- return -errno;
+ if (!valid_shell(path))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "%s is not a valid shell", path);
+
+ r = chase_symlinks(path, root, CHASE_PREFIX_ROOT, NULL, NULL);
+ if (r < 0) {
+ const char *p;
+ p = prefix_roota(root, path);
+ return log_error_errno(r, "Failed to resolve shell %s: %m", p);
+ }
+
+ return 0;
+}
+
+static int prompt_root_shell(void) {
+ int r;
+
+ if (arg_root_shell || !arg_prompt_root_shell)
+ return 0;
+
+ print_welcome();
+ putchar('\n');
+
+ for (;;) {
+ _cleanup_free_ char *s = NULL;
- r = putspent_sane(p, f);
+ r = ask_string(&s, "%s Please enter root shell for new system (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET));
+ if (r < 0)
+ return log_error_errno(r, "Failed to query root shell: %m");
+
+ if (isempty(s)) {
+ log_warning("No shell entered, skipping.");
+ break;
+ }
+
+ r = find_shell(s, arg_root);
+ if (r < 0)
+ continue;
+
+ arg_root_shell = TAKE_PTR(s);
+ break;
+ }
+
+ return 0;
+}
+
+static int write_root_passwd(const char *passwd_path, const char *password, const char *shell) {
+ _cleanup_fclose_ FILE *original = NULL, *passwd = NULL;
+ _cleanup_(unlink_and_freep) char *passwd_tmp = NULL;
+ int r;
+
+ assert(password);
+
+ r = fopen_temporary_label("/etc/passwd", passwd_path, &passwd, &passwd_tmp);
if (r < 0)
return r;
- return fflush_sync_and_check(f);
+ original = fopen(passwd_path, "re");
+ if (original) {
+ struct passwd *i;
+
+ r = sync_rights(fileno(original), fileno(passwd));
+ if (r < 0)
+ return r;
+
+ while ((r = fgetpwent_sane(original, &i)) > 0) {
+
+ if (streq(i->pw_name, "root")) {
+ i->pw_passwd = (char *) password;
+ if (shell)
+ i->pw_shell = (char *) shell;
+ }
+
+ r = putpwent_sane(i, passwd);
+ if (r < 0)
+ return r;
+ }
+ if (r < 0)
+ return r;
+
+ } else {
+ struct passwd root = {
+ .pw_name = (char *) "root",
+ .pw_passwd = (char *) password,
+ .pw_uid = 0,
+ .pw_gid = 0,
+ .pw_gecos = (char *) "Super User",
+ .pw_dir = (char *) "/root",
+ .pw_shell = (char *) (shell ?: "/bin/sh"),
+ };
+
+ if (errno != ENOENT)
+ return -errno;
+
+ r = fchmod(fileno(passwd), 0644);
+ if (r < 0)
+ return -errno;
+
+ r = putpwent_sane(&root, passwd);
+ if (r < 0)
+ return r;
+ }
+
+ r = fflush_sync_and_check(passwd);
+ if (r < 0)
+ return r;
+
+ r = rename_and_apply_smack_floor_label(passwd_tmp, passwd_path);
+ if (r < 0)
+ return r;
+
+ return 0;
}
-static int process_root_password(void) {
+static int write_root_shadow(const char *shadow_path, const char *hashed_password) {
+ _cleanup_fclose_ FILE *original = NULL, *shadow = NULL;
+ _cleanup_(unlink_and_freep) char *shadow_tmp = NULL;
+ int r;
- struct spwd item = {
- .sp_namp = (char*) "root",
- .sp_min = -1,
- .sp_max = -1,
- .sp_warn = -1,
- .sp_inact = -1,
- .sp_expire = -1,
- .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
- };
- _cleanup_free_ char *salt = NULL;
+ assert(hashed_password);
+
+ r = fopen_temporary_label("/etc/shadow", shadow_path, &shadow, &shadow_tmp);
+ if (r < 0)
+ return r;
+
+ original = fopen(shadow_path, "re");
+ if (original) {
+ struct spwd *i;
+
+ r = sync_rights(fileno(original), fileno(shadow));
+ if (r < 0)
+ return r;
+
+ while ((r = fgetspent_sane(original, &i)) > 0) {
+
+ if (streq(i->sp_namp, "root")) {
+ i->sp_pwdp = (char *) hashed_password;
+ i->sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
+ }
+
+ r = putspent_sane(i, shadow);
+ if (r < 0)
+ return r;
+ }
+ if (r < 0)
+ return r;
+
+ } else {
+ struct spwd root = {
+ .sp_namp = (char*) "root",
+ .sp_pwdp = (char *) hashed_password,
+ .sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY),
+ .sp_min = -1,
+ .sp_max = -1,
+ .sp_warn = -1,
+ .sp_inact = -1,
+ .sp_expire = -1,
+ .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
+ };
+
+ if (errno != ENOENT)
+ return -errno;
+
+ r = fchmod(fileno(shadow), 0000);
+ if (r < 0)
+ return -errno;
+
+ r = putspent_sane(&root, shadow);
+ if (r < 0)
+ return r;
+ }
+
+ r = fflush_sync_and_check(shadow);
+ if (r < 0)
+ return r;
+
+ r = rename_and_apply_smack_floor_label(shadow_tmp, shadow_path);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
+static int process_root_args(void) {
_cleanup_close_ int lock = -1;
struct crypt_data cd = {};
-
- const char *etc_shadow;
+ const char *password, *hashed_password;
+ const char *etc_passwd, *etc_shadow;
int r;
+ etc_passwd = prefix_roota(arg_root, "/etc/passwd");
etc_shadow = prefix_roota(arg_root, "/etc/shadow");
- if (laccess(etc_shadow, F_OK) >= 0)
+
+ /* We only mess with passwd and shadow if both do not exist or --force is specified. These files are
+ * tightly coupled and hence we make sure we have permission from the user to create/modify both
+ * files. */
+ if ((laccess(etc_passwd, F_OK) >= 0 || laccess(etc_shadow, F_OK) >= 0) && !arg_force)
return 0;
- (void) mkdir_parents(etc_shadow, 0755);
+ (void) mkdir_parents(etc_passwd, 0755);
lock = take_etc_passwd_lock(arg_root);
if (lock < 0)
- return log_error_errno(lock, "Failed to take a lock: %m");
+ return log_error_errno(lock, "Failed to take a lock on %s: %m", etc_passwd);
+
+ if (arg_copy_root_shell && arg_root) {
+ struct passwd *p;
+
+ errno = 0;
+ p = getpwnam("root");
+ if (!p)
+ return log_error_errno(errno_or_else(EIO), "Failed to find passwd entry for root: %m");
+
+ r = free_and_strdup(&arg_root_shell, p->pw_shell);
+ if (r < 0)
+ return log_oom();
+ }
+
+ r = prompt_root_shell();
+ if (r < 0)
+ return r;
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;
+ if (!p)
+ return log_error_errno(errno_or_else(EIO), "Failed to find shadow entry for root: %m");
- return log_error_errno(errno, "Failed to find shadow entry for root: %m");
- }
-
- r = write_root_shadow(etc_shadow, p);
- if (r < 0)
- return log_error_errno(r, "Failed to write %s: %m", etc_shadow);
+ r = free_and_strdup(&arg_root_password, p->sp_pwdp);
+ if (r < 0)
+ return log_oom();
- log_info("%s copied.", etc_shadow);
- return 0;
- }
+ arg_root_password_is_hashed = true;
}
r = prompt_root_password();
if (r < 0)
return r;
- if (!arg_root_password)
- return 0;
+ if (arg_root_password && arg_root_password_is_hashed) {
+ password = "x";
+ hashed_password = arg_root_password;
+ } else if (arg_root_password) {
+ _cleanup_free_ char *salt = NULL;
+ /* hashed_password points inside cd after crypt_r returns so cd has function scope. */
- r = make_salt(&salt);
- if (r < 0)
- return log_error_errno(r, "Failed to get salt: %m");
+ password = "x";
- errno = 0;
- item.sp_pwdp = crypt_r(arg_root_password, salt, &cd);
- if (!item.sp_pwdp)
- return log_error_errno(errno == 0 ? SYNTHETIC_ERRNO(EINVAL) : errno,
- "Failed to encrypt password: %m");
+ r = make_salt(&salt);
+ if (r < 0)
+ return log_error_errno(r, "Failed to get salt: %m");
+
+ errno = 0;
+ hashed_password = crypt_r(arg_root_password, salt, &cd);
+ if (!hashed_password)
+ return log_error_errno(errno == 0 ? SYNTHETIC_ERRNO(EINVAL) : errno,
+ "Failed to encrypt password: %m");
+ } else if (arg_delete_root_password)
+ password = hashed_password = "";
+ else
+ password = hashed_password = "!";
+
+ r = write_root_passwd(etc_passwd, password, arg_root_shell);
+ if (r < 0)
+ return log_error_errno(r, "Failed to write %s: %m", etc_passwd);
- item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
+ log_info("%s written", etc_passwd);
- r = write_root_shadow(etc_shadow, &item);
+ r = write_root_shadow(etc_shadow, hashed_password);
if (r < 0)
return log_error_errno(r, "Failed to write %s: %m", etc_shadow);
return 0;
}
+static int process_kernel_cmdline(void) {
+ const char *etc_kernel_cmdline;
+ int r;
+
+ etc_kernel_cmdline = prefix_roota(arg_root, "/etc/kernel/cmdline");
+ if (laccess(etc_kernel_cmdline, F_OK) >= 0 && !arg_force)
+ return 0;
+
+ if (!arg_kernel_cmdline)
+ return 0;
+
+ r = write_string_file(etc_kernel_cmdline, arg_kernel_cmdline,
+ WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755 |
+ (arg_force ? WRITE_STRING_FILE_ATOMIC : 0));
+ if (r < 0)
+ return log_error_errno(r, "Failed to write %s: %m", etc_kernel_cmdline);
+
+ log_info("%s written.", etc_kernel_cmdline);
+ return 0;
+}
+
+static int setup_image(char **ret_mount_dir, LoopDevice **ret_loop_device, DecryptedImage **ret_decrypted_image) {
+ DissectImageFlags f = DISSECT_IMAGE_REQUIRE_ROOT|DISSECT_IMAGE_VALIDATE_OS|DISSECT_IMAGE_RELAX_VAR_CHECK|DISSECT_IMAGE_FSCK;
+ _cleanup_(loop_device_unrefp) LoopDevice *d = NULL;
+ _cleanup_(decrypted_image_unrefp) DecryptedImage *decrypted_image = NULL;
+ _cleanup_(dissected_image_unrefp) DissectedImage *dissected_image = NULL;
+ _cleanup_(rmdir_and_freep) char *mount_dir = NULL;
+ _cleanup_free_ char *temp = NULL;
+ int r;
+
+ if (!arg_image) {
+ *ret_mount_dir = NULL;
+ *ret_decrypted_image = NULL;
+ *ret_loop_device = NULL;
+ return 0;
+ }
+
+ assert(!arg_root);
+
+ r = tempfn_random_child(NULL, "firstboot", &temp);
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate temporary mount directory: %m");
+
+ r = loop_device_make_by_path(arg_image, O_RDWR, LO_FLAGS_PARTSCAN, &d);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set up loopback device: %m");
+
+ r = dissect_image_and_warn(d->fd, arg_image, NULL, 0, NULL, f, &dissected_image);
+ if (r < 0)
+ return r;
+
+ r = dissected_image_decrypt_interactively(dissected_image, NULL, NULL, 0, NULL, NULL, NULL, 0, f, &decrypted_image);
+ if (r < 0)
+ return r;
+
+ r = detach_mount_namespace();
+ if (r < 0)
+ return log_error_errno(r, "Failed to detach mount namespace: %m");
+
+ mount_dir = strdup(temp);
+ if (!mount_dir)
+ return log_oom();
+
+ r = mkdir_p(mount_dir, 0700);
+ if (r < 0) {
+ mount_dir = mfree(mount_dir);
+ return log_error_errno(r, "Failed to create mount point: %m");
+ }
+
+ r = dissected_image_mount(dissected_image, mount_dir, UID_INVALID, f);
+ if (r < 0)
+ return log_error_errno(r, "Failed to mount image: %m");
+
+ if (decrypted_image) {
+ r = decrypted_image_relinquish(decrypted_image);
+ if (r < 0)
+ return log_error_errno(r, "Failed to relinquish DM devices: %m");
+ }
+
+ loop_device_relinquish(d);
+
+ arg_root = TAKE_PTR(temp);
+
+ *ret_mount_dir = TAKE_PTR(mount_dir);
+ *ret_decrypted_image = TAKE_PTR(decrypted_image);
+ *ret_loop_device = TAKE_PTR(d);
+
+ return 1;
+}
+
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
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"
- " --keymap=KEYMAP Set keymap\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-keymap Prompt the user for keymap 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 all of the above\n"
- " --copy-locale Copy locale from host\n"
- " --copy-keymap Copy keymap from host\n"
- " --copy-timezone Copy timezone from host\n"
- " --copy-root-password Copy root password from host\n"
- " --copy Copy locale, keymap, timezone, root password\n"
- " --setup-machine-id Generate a new random machine ID\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n"
+ " --root=PATH Operate on an alternate filesystem root\n"
+ " --image=PATH Operate on an alternate filesystem image\n"
+ " --locale=LOCALE Set primary locale (LANG=)\n"
+ " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n"
+ " --keymap=KEYMAP Set keymap\n"
+ " --timezone=TIMEZONE Set timezone\n"
+ " --hostname=NAME Set hostname\n"
+ " --machine-ID=ID Set machine ID\n"
+ " --root-password=PASSWORD Set root password from plaintext password\n"
+ " --root-password-file=FILE Set root password from file\n"
+ " --root-password-hashed=HASHED_PASSWORD Set root password from hashed password\n"
+ " --prompt-locale Prompt the user for locale settings\n"
+ " --prompt-keymap Prompt the user for keymap 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 all of the above\n"
+ " --copy-locale Copy locale from host\n"
+ " --copy-keymap Copy keymap from host\n"
+ " --copy-timezone Copy timezone from host\n"
+ " --copy-root-password Copy root password from host\n"
+ " --copy Copy locale, keymap, timezone, root password\n"
+ " --setup-machine-id Generate a new random machine ID\n"
+ " --force Overwrite existing files\n"
+ " --delete-root-password Delete root password\n"
+ " --welcome=no Disable the welcome text\n"
"\nSee the %s for details.\n"
, program_invocation_short_name
, link
enum {
ARG_VERSION = 0x100,
ARG_ROOT,
+ ARG_IMAGE,
ARG_LOCALE,
ARG_LOCALE_MESSAGES,
ARG_KEYMAP,
ARG_MACHINE_ID,
ARG_ROOT_PASSWORD,
ARG_ROOT_PASSWORD_FILE,
+ ARG_ROOT_PASSWORD_HASHED,
+ ARG_ROOT_SHELL,
+ ARG_KERNEL_COMMAND_LINE,
ARG_PROMPT,
ARG_PROMPT_LOCALE,
ARG_PROMPT_KEYMAP,
ARG_PROMPT_TIMEZONE,
ARG_PROMPT_HOSTNAME,
ARG_PROMPT_ROOT_PASSWORD,
+ ARG_PROMPT_ROOT_SHELL,
ARG_COPY,
ARG_COPY_LOCALE,
ARG_COPY_KEYMAP,
ARG_COPY_TIMEZONE,
ARG_COPY_ROOT_PASSWORD,
+ ARG_COPY_ROOT_SHELL,
ARG_SETUP_MACHINE_ID,
+ ARG_FORCE,
+ ARG_DELETE_ROOT_PASSWORD,
+ ARG_WELCOME,
};
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 },
- { "keymap", required_argument, NULL, ARG_KEYMAP },
- { "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-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP },
- { "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-keymap", no_argument, NULL, ARG_COPY_KEYMAP },
- { "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 },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ { "root", required_argument, NULL, ARG_ROOT },
+ { "image", required_argument, NULL, ARG_IMAGE },
+ { "locale", required_argument, NULL, ARG_LOCALE },
+ { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
+ { "keymap", required_argument, NULL, ARG_KEYMAP },
+ { "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 },
+ { "root-password-hashed", required_argument, NULL, ARG_ROOT_PASSWORD_HASHED },
+ { "root-shell", required_argument, NULL, ARG_ROOT_SHELL },
+ { "kernel-command-line", required_argument, NULL, ARG_KERNEL_COMMAND_LINE },
+ { "prompt", no_argument, NULL, ARG_PROMPT },
+ { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
+ { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP },
+ { "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 },
+ { "prompt-root-shell", no_argument, NULL, ARG_PROMPT_ROOT_SHELL },
+ { "copy", no_argument, NULL, ARG_COPY },
+ { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
+ { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP },
+ { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
+ { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
+ { "copy-root-shell", no_argument, NULL, ARG_COPY_ROOT_SHELL },
+ { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
+ { "force", no_argument, NULL, ARG_FORCE },
+ { "delete-root-password", no_argument, NULL, ARG_DELETE_ROOT_PASSWORD },
+ { "welcome", required_argument, NULL, ARG_WELCOME },
{}
};
return r;
break;
- case ARG_LOCALE:
- if (!locale_is_valid(optarg))
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Locale %s is not valid.", optarg);
+ case ARG_IMAGE:
+ r = parse_path_argument_and_warn(optarg, false, &arg_image);
+ if (r < 0)
+ return r;
+ break;
+ case ARG_LOCALE:
r = free_and_strdup(&arg_locale, optarg);
if (r < 0)
return log_oom();
break;
case ARG_LOCALE_MESSAGES:
- if (!locale_is_valid(optarg))
- return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
- "Locale %s is not valid.", optarg);
-
r = free_and_strdup(&arg_locale_messages, optarg);
if (r < 0)
return log_oom();
r = free_and_strdup(&arg_root_password, optarg);
if (r < 0)
return log_oom();
+
+ arg_root_password_is_hashed = false;
break;
case ARG_ROOT_PASSWORD_FILE:
if (r < 0)
return log_error_errno(r, "Failed to read %s: %m", optarg);
+ arg_root_password_is_hashed = false;
+ break;
+
+ case ARG_ROOT_PASSWORD_HASHED:
+ r = free_and_strdup(&arg_root_password, optarg);
+ if (r < 0)
+ return log_oom();
+
+ arg_root_password_is_hashed = true;
+ break;
+
+ case ARG_ROOT_SHELL:
+ r = find_shell(optarg, arg_root);
+ if (r < 0)
+ return r;
+
+ r = free_and_strdup(&arg_root_shell, optarg);
+ if (r < 0)
+ return log_oom();
+
break;
case ARG_HOSTNAME:
break;
+ case ARG_KERNEL_COMMAND_LINE:
+ r = free_and_strdup(&arg_kernel_cmdline, optarg);
+ if (r < 0)
+ return log_oom();
+
+ break;
+
case ARG_PROMPT:
- arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true;
+ arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname =
+ arg_prompt_root_password = arg_prompt_root_shell = true;
break;
case ARG_PROMPT_LOCALE:
arg_prompt_root_password = true;
break;
+ case ARG_PROMPT_ROOT_SHELL:
+ arg_prompt_root_shell = true;
+ break;
+
case ARG_COPY:
- arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true;
+ arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password =
+ arg_copy_root_shell = true;
break;
case ARG_COPY_LOCALE:
arg_copy_root_password = true;
break;
- case ARG_SETUP_MACHINE_ID:
+ case ARG_COPY_ROOT_SHELL:
+ arg_copy_root_shell = true;
+ break;
+ case ARG_SETUP_MACHINE_ID:
r = sd_id128_randomize(&arg_machine_id);
if (r < 0)
return log_error_errno(r, "Failed to generate randomized machine ID: %m");
break;
+ case ARG_FORCE:
+ arg_force = true;
+ break;
+
+ case ARG_DELETE_ROOT_PASSWORD:
+ arg_delete_root_password = true;
+ break;
+
+ case ARG_WELCOME:
+ r = parse_boolean(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse --welcome= argument: %s", optarg);
+
+ arg_welcome = r;
+ break;
+
case '?':
return -EINVAL;
assert_not_reached("Unhandled option");
}
+ /* We check if the specified locale strings are valid down here, so that we can take --root= into
+ * account when looking for the locale files. */
+
+ if (arg_locale && !locale_is_ok(arg_locale))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Locale %s is not installed.", arg_locale);
+ if (arg_locale_messages && !locale_is_ok(arg_locale_messages))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Locale %s is not installed.", arg_locale_messages);
+
+ if (arg_delete_root_password && (arg_copy_root_password || arg_root_password || arg_prompt_root_password))
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
+ "--delete-root-password cannot be combined with other root password options");
+
+ if (arg_image && arg_root)
+ return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Please specify either --root= or --image=, the combination of both is not supported.");
+
return 1;
}
static int run(int argc, char *argv[]) {
- bool enabled;
+ _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
+ _cleanup_(decrypted_image_unrefp) DecryptedImage *decrypted_image = NULL;
+ _cleanup_(umount_and_rmdir_and_freep) char *unlink_dir = NULL;
int r;
r = parse_argv(argc, argv);
umask(0022);
- r = proc_cmdline_get_bool("systemd.firstboot", &enabled);
+ if (!arg_root && !arg_image) {
+ bool enabled;
+
+ /* If we are called without --root=/--image= let's honour the systemd.firstboot kernel
+ * command line option, because we are called to provision the host with basic settings (as
+ * opposed to some other file system tree/image) */
+
+ r = proc_cmdline_get_bool("systemd.firstboot", &enabled);
+ if (r < 0)
+ return log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring: %m");
+ if (r > 0 && !enabled)
+ return 0; /* disabled */
+ }
+
+ r = setup_image(&unlink_dir, &loop_device, &decrypted_image);
if (r < 0)
- return log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring: %m");
- if (r > 0 && !enabled)
- return 0; /* disabled */
+ return r;
r = process_locale();
if (r < 0)
if (r < 0)
return r;
- r = process_root_password();
+ r = process_root_args();
+ if (r < 0)
+ return r;
+
+ r = process_kernel_cmdline();
if (r < 0)
return r;