| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <fcntl.h> |
| #include <getopt.h> |
| #include <linux/loop.h> |
| #include <unistd.h> |
| |
| #include "sd-id128.h" |
| |
| #include "alloc-util.h" |
| #include "ask-password-api.h" |
| #include "build.h" |
| #include "chase-symlinks.h" |
| #include "copy.h" |
| #include "creds-util.h" |
| #include "dissect-image.h" |
| #include "env-file.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "fs-util.h" |
| #include "glyph-util.h" |
| #include "hostname-util.h" |
| #include "kbd-util.h" |
| #include "libcrypt-util.h" |
| #include "locale-util.h" |
| #include "main-func.h" |
| #include "memory-util.h" |
| #include "mkdir.h" |
| #include "mount-util.h" |
| #include "os-util.h" |
| #include "parse-argument.h" |
| #include "parse-util.h" |
| #include "path-util.h" |
| #include "pretty-print.h" |
| #include "proc-cmdline.h" |
| #include "pwquality-util.h" |
| #include "random-util.h" |
| #include "smack-util.h" |
| #include "string-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_locale_messages = NULL; /* $LC_MESSAGES */ |
| static char *arg_keymap = NULL; |
| static char *arg_timezone = NULL; |
| 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_DESTRUCTOR_REGISTER(arg_timezone, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_hostname, freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_root_password, erase_and_freep); |
| |
| static bool press_any_key(void) { |
| char k = 0; |
| bool need_nl = true; |
| |
| printf("-- Press any key to proceed --"); |
| fflush(stdout); |
| |
| (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
| |
| if (need_nl) |
| putchar('\n'); |
| |
| return k != 'q'; |
| } |
| |
| static void print_welcome(void) { |
| _cleanup_free_ char *pretty_name = NULL, *os_name = NULL, *ansi_color = NULL; |
| static bool done = false; |
| const char *pn, *ac; |
| int r; |
| |
| if (!arg_welcome) |
| return; |
| |
| if (done) |
| return; |
| |
| r = parse_os_release( |
| arg_root, |
| "PRETTY_NAME", &pretty_name, |
| "NAME", &os_name, |
| "ANSI_COLOR", &ansi_color); |
| if (r < 0) |
| log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, |
| "Failed to read os-release file, ignoring: %m"); |
| |
| pn = os_release_pretty_name(pretty_name, os_name); |
| ac = isempty(ansi_color) ? "0" : ansi_color; |
| |
| if (colors_enabled()) |
| printf("\nWelcome to your new installation of \x1B[%sm%s\x1B[0m!\n", ac, pn); |
| else |
| printf("\nWelcome to your new installation of %s!\n", pn); |
| |
| printf("\nPlease configure your system!\n\n"); |
| |
| press_any_key(); |
| |
| done = true; |
| } |
| |
| static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { |
| unsigned break_lines, break_modulo; |
| size_t n, per_column, i, j; |
| |
| assert(n_columns > 0); |
| |
| n = strv_length(x); |
| per_column = DIV_ROUND_UP(n, 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("%4zu) %-*s", j * per_column + i + 1, (int) 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, unsigned percentage, 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, \"list\" to list options): ", |
| special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), text); |
| if (r < 0) |
| return log_error_errno(r, "Failed to query user: %m"); |
| |
| if (isempty(p)) { |
| log_warning("No data entered, skipping."); |
| 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) { |
| if (u <= 0 || u > strv_length(l)) { |
| log_error("Specified entry number out of range."); |
| continue; |
| } |
| |
| log_info("Selected '%s'.", l[u-1]); |
| return free_and_strdup_warn(ret, l[u-1]); |
| } |
| |
| if (!is_valid(p)) { |
| log_error("Entered data invalid."); |
| continue; |
| } |
| |
| 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; |
| bool acquired_from_creds = false; |
| int r; |
| |
| if (arg_locale || arg_locale_messages) |
| return 0; |
| |
| r = read_credential("firstboot.locale", (void**) &arg_locale, NULL); |
| if (r < 0) |
| log_debug_errno(r, "Failed to read credential firstboot.locale, ignoring: %m"); |
| else |
| acquired_from_creds = true; |
| |
| r = read_credential("firstboot.locale-messages", (void**) &arg_locale_messages, NULL); |
| if (r < 0) |
| log_debug_errno(r, "Failed to read credential firstboot.locale-message, ignoring: %m"); |
| else |
| acquired_from_creds = true; |
| |
| if (acquired_from_creds) { |
| log_debug("Acquired locale from credentials."); |
| return 0; |
| } |
| |
| if (!arg_prompt_locale) { |
| log_debug("Prompting for locale was not requested."); |
| return 0; |
| } |
| |
| r = get_locales(&locales); |
| if (r < 0) |
| return log_error_errno(r, "Cannot query locales list: %m"); |
| |
| if (strv_isempty(locales)) |
| log_debug("No locales found, skipping locale selection."); |
| else if (strv_length(locales) == 1) { |
| |
| 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]); |
| |
| arg_locale = strdup(locales[0]); |
| if (!arg_locale) |
| return log_oom(); |
| |
| /* Not setting arg_locale_message here, since it defaults to LANG anyway */ |
| } |
| } else { |
| print_welcome(); |
| |
| r = prompt_loop("Please enter system locale name or number", |
| locales, 60, locale_is_ok, &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, 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; |
| } |
| |
| static int process_locale(void) { |
| const char *etc_localeconf; |
| char* locales[3]; |
| unsigned i = 0; |
| int r; |
| |
| etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
| if (laccess(etc_localeconf, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s, assuming locale information has been configured.", |
| etc_localeconf); |
| return 0; |
| } |
| |
| if (arg_copy_locale && arg_root) { |
| |
| (void) mkdir_parents(etc_localeconf, 0755); |
| r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, 0, COPY_REFLINK); |
| if (r != -ENOENT) { |
| if (r < 0) |
| return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); |
| |
| log_info("%s copied.", etc_localeconf); |
| return 0; |
| } |
| } |
| |
| r = prompt_locale(); |
| if (r < 0) |
| return r; |
| |
| if (!isempty(arg_locale)) |
| locales[i++] = strjoina("LANG=", arg_locale); |
| if (!isempty(arg_locale_messages) && !streq_ptr(arg_locale_messages, arg_locale)) |
| locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
| |
| if (i == 0) |
| return 0; |
| |
| locales[i] = NULL; |
| |
| (void) mkdir_parents(etc_localeconf, 0755); |
| r = write_env_file(etc_localeconf, locales); |
| if (r < 0) |
| return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); |
| |
| log_info("%s written.", etc_localeconf); |
| return 0; |
| } |
| |
| static int prompt_keymap(void) { |
| _cleanup_strv_free_ char **kmaps = NULL; |
| int r; |
| |
| if (arg_keymap) |
| return 0; |
| |
| r = read_credential("firstboot.keymap", (void**) &arg_keymap, NULL); |
| if (r < 0) |
| log_debug_errno(r, "Failed to read credential firstboot.keymap, ignoring: %m"); |
| else { |
| log_debug("Acquired keymap from credential."); |
| return 0; |
| } |
| |
| if (!arg_prompt_keymap) { |
| log_debug("Prompting for keymap was not requested."); |
| return 0; |
| } |
| |
| r = get_keymaps(&kmaps); |
| if (r == -ENOENT) /* no keymaps installed */ |
| return log_debug_errno(r, "No keymaps are installed."); |
| if (r < 0) |
| return log_error_errno(r, "Failed to read keymaps: %m"); |
| |
| print_welcome(); |
| |
| return prompt_loop("Please enter system keymap name or number", |
| kmaps, 60, keymap_is_valid, &arg_keymap); |
| } |
| |
| static int process_keymap(void) { |
| const char *etc_vconsoleconf; |
| char **keymap; |
| int r; |
| |
| etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); |
| if (laccess(etc_vconsoleconf, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s, assuming console has been configured.", |
| etc_vconsoleconf); |
| return 0; |
| } |
| |
| if (arg_copy_keymap && arg_root) { |
| |
| (void) mkdir_parents(etc_vconsoleconf, 0755); |
| r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, 0, COPY_REFLINK); |
| if (r != -ENOENT) { |
| if (r < 0) |
| return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); |
| |
| log_info("%s copied.", etc_vconsoleconf); |
| return 0; |
| } |
| } |
| |
| r = prompt_keymap(); |
| if (r == -ENOENT) |
| return 0; /* don't fail if no keymaps are installed */ |
| if (r < 0) |
| return r; |
| |
| if (isempty(arg_keymap)) |
| return 0; |
| |
| keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); |
| |
| r = mkdir_parents(etc_vconsoleconf, 0755); |
| if (r < 0) |
| return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf); |
| |
| r = write_env_file(etc_vconsoleconf, keymap); |
| if (r < 0) |
| return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); |
| |
| log_info("%s written.", etc_vconsoleconf); |
| return 0; |
| } |
| |
| static bool timezone_is_valid_log_error(const char *name) { |
| return timezone_is_valid(name, LOG_ERR); |
| } |
| |
| static int prompt_timezone(void) { |
| _cleanup_strv_free_ char **zones = NULL; |
| int r; |
| |
| if (arg_timezone) |
| return 0; |
| |
| r = read_credential("firstboot.timezone", (void**) &arg_timezone, NULL); |
| if (r < 0) |
| log_debug_errno(r, "Failed to read credential firstboot.timezone, ignoring: %m"); |
| else { |
| log_debug("Acquired timezone from credential."); |
| return 0; |
| } |
| |
| if (!arg_prompt_timezone) { |
| log_debug("Prompting for timezone was not requested."); |
| return 0; |
| } |
| |
| r = get_timezones(&zones); |
| if (r < 0) |
| return log_error_errno(r, "Cannot query timezone list: %m"); |
| |
| print_welcome(); |
| |
| r = prompt_loop("Please enter timezone name or number", |
| zones, 30, timezone_is_valid_log_error, &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(arg_root, "/etc/localtime"); |
| if (laccess(etc_localtime, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s, assuming timezone has been configured.", |
| etc_localtime); |
| 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) |
| return log_error_errno(r, "Failed to read host timezone: %m"); |
| |
| (void) mkdir_parents(etc_localtime, 0755); |
| r = symlink_atomic(p, etc_localtime); |
| if (r < 0) |
| return log_error_errno(r, "Failed to create %s symlink: %m", etc_localtime); |
| |
| log_info("%s copied.", etc_localtime); |
| return 0; |
| } |
| } |
| |
| r = prompt_timezone(); |
| if (r < 0) |
| return r; |
| |
| if (isempty(arg_timezone)) |
| return 0; |
| |
| e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
| |
| (void) mkdir_parents(etc_localtime, 0755); |
| r = symlink_atomic(e, etc_localtime); |
| if (r < 0) |
| return log_error_errno(r, "Failed to create %s symlink: %m", etc_localtime); |
| |
| log_info("%s written", etc_localtime); |
| return 0; |
| } |
| |
| static int prompt_hostname(void) { |
| int r; |
| |
| if (arg_hostname) |
| return 0; |
| |
| if (!arg_prompt_hostname) { |
| log_debug("Prompting for hostname was not requested."); |
| 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): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET)); |
| if (r < 0) |
| return log_error_errno(r, "Failed to query hostname: %m"); |
| |
| if (isempty(h)) { |
| log_warning("No hostname entered, skipping."); |
| break; |
| } |
| |
| if (!hostname_is_valid(h, VALID_HOSTNAME_TRAILING_DOT)) { |
| log_error("Specified hostname invalid."); |
| continue; |
| } |
| |
| /* Get rid of the trailing dot that we allow, but don't want to see */ |
| arg_hostname = hostname_cleanup(h); |
| h = NULL; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int process_hostname(void) { |
| const char *etc_hostname; |
| int r; |
| |
| etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
| if (laccess(etc_hostname, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s, assuming hostname has been configured.", |
| etc_hostname); |
| return 0; |
| } |
| |
| r = prompt_hostname(); |
| if (r < 0) |
| return r; |
| |
| if (isempty(arg_hostname)) |
| return 0; |
| |
| r = write_string_file(etc_hostname, arg_hostname, |
| 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); |
| |
| log_info("%s written.", etc_hostname); |
| return 0; |
| } |
| |
| static int process_machine_id(void) { |
| const char *etc_machine_id; |
| int r; |
| |
| etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
| if (laccess(etc_machine_id, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s, assuming machine-id has been configured.", |
| etc_machine_id); |
| return 0; |
| } |
| |
| if (sd_id128_is_null(arg_machine_id)) { |
| log_debug("Initialization of machine-id was not requested, skipping."); |
| return 0; |
| } |
| |
| r = write_string_file(etc_machine_id, SD_ID128_TO_STRING(arg_machine_id), |
| 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"); |
| |
| log_info("%s written.", etc_machine_id); |
| return 0; |
| } |
| |
| static int prompt_root_password(void) { |
| const char *msg1, *msg2; |
| int r; |
| |
| if (arg_root_password) |
| return 0; |
| |
| if (get_credential_user_password("root", &arg_root_password, &arg_root_password_is_hashed) >= 0) |
| return 0; |
| |
| if (!arg_prompt_root_password) { |
| log_debug("Prompting for root password was not requested."); |
| 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:"); |
| |
| suggest_passwords(); |
| |
| for (;;) { |
| _cleanup_strv_free_erase_ char **a = NULL, **b = NULL; |
| _cleanup_free_ char *error = 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) |
| return log_error_errno(SYNTHETIC_ERRNO(EIO), |
| "Received multiple passwords, where we expected one."); |
| |
| if (isempty(*a)) { |
| log_warning("No password entered, skipping."); |
| break; |
| } |
| |
| r = quality_check_password(*a, "root", &error); |
| if (r < 0) |
| return log_error_errno(r, "Failed to check quality of password: %m"); |
| if (r == 0) |
| log_warning("Password is weak, accepting anyway: %s", error); |
| |
| 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."); |
| continue; |
| } |
| |
| arg_root_password = TAKE_PTR(*a); |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int find_shell(const char *path, const char *root) { |
| int r; |
| |
| assert(path); |
| |
| 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) |
| return 0; |
| |
| r = read_credential("passwd.shell.root", (void**) &arg_root_shell, NULL); |
| if (r < 0) |
| log_debug_errno(r, "Failed to read credential passwd.shell.root, ignoring: %m"); |
| else { |
| log_debug("Acquired root shell from credential."); |
| return 0; |
| } |
| |
| if (!arg_prompt_root_shell) { |
| log_debug("Prompting for root shell was not requested."); |
| return 0; |
| } |
| |
| print_welcome(); |
| putchar('\n'); |
| |
| for (;;) { |
| _cleanup_free_ char *s = NULL; |
| |
| 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; |
| |
| original = fopen(passwd_path, "re"); |
| if (original) { |
| struct passwd *i; |
| |
| r = copy_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 ?: default_root_shell(arg_root)), |
| }; |
| |
| 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 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; |
| |
| 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 = copy_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 = ULONG_MAX, /* 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_account(void) { |
| _cleanup_close_ int lock = -EBADF; |
| _cleanup_(erase_and_freep) char *_hashed_password = NULL; |
| 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_passwd, F_OK) >= 0 && laccess(etc_shadow, F_OK) >= 0 && !arg_force) { |
| log_debug("Found %s and %s, assuming root account has been initialized.", |
| etc_passwd, etc_shadow); |
| return 0; |
| } |
| |
| /* Don't create/modify passwd and shadow if not asked */ |
| if (!(arg_root_password || arg_prompt_root_password || arg_copy_root_password || arg_delete_root_password || |
| arg_root_shell || arg_prompt_root_shell || arg_copy_root_shell)) { |
| log_debug("Initialization of root account was not requested, skipping."); |
| return 0; |
| } |
| |
| lock = take_etc_passwd_lock(arg_root); |
| if (lock < 0) |
| 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) |
| return log_error_errno(errno_or_else(EIO), "Failed to find shadow entry for root: %m"); |
| |
| r = free_and_strdup(&arg_root_password, p->sp_pwdp); |
| if (r < 0) |
| return log_oom(); |
| |
| arg_root_password_is_hashed = true; |
| } |
| |
| r = prompt_root_password(); |
| if (r < 0) |
| return r; |
| |
| if (arg_root_password && arg_root_password_is_hashed) { |
| password = PASSWORD_SEE_SHADOW; |
| hashed_password = arg_root_password; |
| } else if (arg_root_password) { |
| r = hash_password(arg_root_password, &_hashed_password); |
| if (r < 0) |
| return log_error_errno(r, "Failed to hash password: %m"); |
| |
| password = PASSWORD_SEE_SHADOW; |
| hashed_password = _hashed_password; |
| |
| } else if (arg_delete_root_password) |
| password = hashed_password = PASSWORD_NONE; |
| else |
| password = hashed_password = PASSWORD_LOCKED_AND_INVALID; |
| |
| 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); |
| |
| log_info("%s written", etc_passwd); |
| |
| r = write_root_shadow(etc_shadow, hashed_password); |
| if (r < 0) |
| return log_error_errno(r, "Failed to write %s: %m", etc_shadow); |
| |
| log_info("%s written.", 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) { |
| log_debug("Found %s, assuming kernel has been configured.", |
| etc_kernel_cmdline); |
| return 0; |
| } |
| |
| if (!arg_kernel_cmdline) { |
| log_debug("Creation of /etc/kernel/cmdline was not requested, skipping."); |
| 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 help(void) { |
| _cleanup_free_ char *link = NULL; |
| int r; |
| |
| r = terminal_urlify_man("systemd-firstboot", "1", &link); |
| if (r < 0) |
| return log_oom(); |
| |
| 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" |
| " --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=HASH Set root password from hashed password\n" |
| " --root-shell=SHELL Set root shell\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-root-shell Prompt the user for root shell\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-root-shell Copy root shell 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); |
| |
| return 0; |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| |
| enum { |
| ARG_VERSION = 0x100, |
| ARG_ROOT, |
| ARG_IMAGE, |
| ARG_LOCALE, |
| ARG_LOCALE_MESSAGES, |
| ARG_KEYMAP, |
| ARG_TIMEZONE, |
| ARG_HOSTNAME, |
| 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 }, |
| { "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 }, |
| {} |
| }; |
| |
| 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: |
| return version(); |
| |
| case ARG_ROOT: |
| r = parse_path_argument(optarg, true, &arg_root); |
| if (r < 0) |
| return r; |
| break; |
| |
| case ARG_IMAGE: |
| r = parse_path_argument(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: |
| r = free_and_strdup(&arg_locale_messages, optarg); |
| if (r < 0) |
| return log_oom(); |
| |
| break; |
| |
| case ARG_KEYMAP: |
| if (!keymap_is_valid(optarg)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Keymap %s is not valid.", optarg); |
| |
| r = free_and_strdup(&arg_keymap, optarg); |
| if (r < 0) |
| return log_oom(); |
| |
| break; |
| |
| case ARG_TIMEZONE: |
| if (!timezone_is_valid(optarg, LOG_ERR)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Timezone %s is not valid.", optarg); |
| |
| r = free_and_strdup(&arg_timezone, optarg); |
| if (r < 0) |
| return log_oom(); |
| |
| break; |
| |
| case ARG_ROOT_PASSWORD: |
| 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: |
| arg_root_password = mfree(arg_root_password); |
| |
| r = read_one_line_file(optarg, &arg_root_password); |
| 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: |
| if (!hostname_is_valid(optarg, VALID_HOSTNAME_TRAILING_DOT)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Host name %s is not valid.", optarg); |
| |
| r = free_and_strdup(&arg_hostname, optarg); |
| if (r < 0) |
| return log_oom(); |
| |
| hostname_cleanup(arg_hostname); |
| break; |
| |
| case ARG_MACHINE_ID: |
| r = sd_id128_from_string(optarg, &arg_machine_id); |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse machine id %s.", optarg); |
| |
| 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 = arg_prompt_root_shell = true; |
| break; |
| |
| case ARG_PROMPT_LOCALE: |
| arg_prompt_locale = true; |
| break; |
| |
| case ARG_PROMPT_KEYMAP: |
| arg_prompt_keymap = 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_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 = |
| arg_copy_root_shell = true; |
| break; |
| |
| case ARG_COPY_LOCALE: |
| arg_copy_locale = true; |
| break; |
| |
| case ARG_COPY_KEYMAP: |
| arg_copy_keymap = true; |
| break; |
| |
| case ARG_COPY_TIMEZONE: |
| arg_copy_timezone = true; |
| break; |
| |
| case ARG_COPY_ROOT_PASSWORD: |
| arg_copy_root_password = true; |
| break; |
| |
| 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; |
| |
| default: |
| assert_not_reached(); |
| } |
| |
| /* 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[]) { |
| _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL; |
| _cleanup_(umount_and_rmdir_and_freep) char *unlink_dir = NULL; |
| int r; |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| return r; |
| |
| log_setup(); |
| |
| umask(0022); |
| |
| 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) { |
| log_debug("Found systemd.firstboot=no kernel command line argument, terminating."); |
| return 0; /* disabled */ |
| } |
| } |
| |
| if (arg_image) { |
| assert(!arg_root); |
| |
| r = mount_image_privately_interactively( |
| arg_image, |
| DISSECT_IMAGE_GENERIC_ROOT | |
| DISSECT_IMAGE_REQUIRE_ROOT | |
| DISSECT_IMAGE_VALIDATE_OS | |
| DISSECT_IMAGE_RELAX_VAR_CHECK | |
| DISSECT_IMAGE_FSCK | |
| DISSECT_IMAGE_GROWFS, |
| &unlink_dir, |
| &loop_device); |
| if (r < 0) |
| return r; |
| |
| arg_root = strdup(unlink_dir); |
| if (!arg_root) |
| return log_oom(); |
| } |
| |
| r = process_locale(); |
| if (r < 0) |
| return r; |
| |
| r = process_keymap(); |
| if (r < 0) |
| return r; |
| |
| r = process_timezone(); |
| if (r < 0) |
| return r; |
| |
| r = process_hostname(); |
| if (r < 0) |
| return r; |
| |
| r = process_machine_id(); |
| if (r < 0) |
| return r; |
| |
| r = process_root_account(); |
| if (r < 0) |
| return r; |
| |
| r = process_kernel_cmdline(); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| DEFINE_MAIN_FUNCTION(run); |
