| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <unistd.h> |
| |
| #include "bootspec-fundamental.h" |
| #include "bootspec.h" |
| #include "chase-symlinks.h" |
| #include "conf-files.h" |
| #include "devnum-util.h" |
| #include "dirent-util.h" |
| #include "efi-loader.h" |
| #include "env-file.h" |
| #include "errno-util.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "find-esp.h" |
| #include "path-util.h" |
| #include "pe-header.h" |
| #include "pretty-print.h" |
| #include "recurse-dir.h" |
| #include "sort-util.h" |
| #include "stat-util.h" |
| #include "string-table.h" |
| #include "strv.h" |
| #include "terminal-util.h" |
| #include "unaligned.h" |
| |
| static const char* const boot_entry_type_table[_BOOT_ENTRY_TYPE_MAX] = { |
| [BOOT_ENTRY_CONF] = "Boot Loader Specification Type #1 (.conf)", |
| [BOOT_ENTRY_UNIFIED] = "Boot Loader Specification Type #2 (.efi)", |
| [BOOT_ENTRY_LOADER] = "Reported by Boot Loader", |
| [BOOT_ENTRY_LOADER_AUTO] = "Automatic", |
| }; |
| |
| DEFINE_STRING_TABLE_LOOKUP_TO_STRING(boot_entry_type, BootEntryType); |
| |
| static void boot_entry_free(BootEntry *entry) { |
| assert(entry); |
| |
| free(entry->id); |
| free(entry->id_old); |
| free(entry->path); |
| free(entry->root); |
| free(entry->title); |
| free(entry->show_title); |
| free(entry->sort_key); |
| free(entry->version); |
| free(entry->machine_id); |
| free(entry->architecture); |
| strv_free(entry->options); |
| free(entry->kernel); |
| free(entry->efi); |
| strv_free(entry->initrd); |
| free(entry->device_tree); |
| strv_free(entry->device_tree_overlay); |
| } |
| |
| static int mangle_path( |
| const char *fname, |
| unsigned line, |
| const char *field, |
| const char *p, |
| char **ret) { |
| |
| _cleanup_free_ char *c = NULL; |
| |
| assert(field); |
| assert(p); |
| assert(ret); |
| |
| /* Spec leaves open if prefixed with "/" or not, let's normalize that */ |
| if (path_is_absolute(p)) |
| c = strdup(p); |
| else |
| c = strjoin("/", p); |
| if (!c) |
| return -ENOMEM; |
| |
| /* We only reference files, never directories */ |
| if (endswith(c, "/")) { |
| log_syntax(NULL, LOG_WARNING, fname, line, 0, "Path in field '%s' has trailing slash, ignoring: %s", field, c); |
| *ret = NULL; |
| return 0; |
| } |
| |
| /* Remove duplicate "/" */ |
| path_simplify(c); |
| |
| /* No ".." or "." or so */ |
| if (!path_is_normalized(c)) { |
| log_syntax(NULL, LOG_WARNING, fname, line, 0, "Path in field '%s' is not normalized, ignoring: %s", field, c); |
| *ret = NULL; |
| return 0; |
| } |
| |
| *ret = TAKE_PTR(c); |
| return 1; |
| } |
| |
| static int parse_path_one( |
| const char *fname, |
| unsigned line, |
| const char *field, |
| char **s, |
| const char *p) { |
| |
| _cleanup_free_ char *c = NULL; |
| int r; |
| |
| assert(field); |
| assert(s); |
| assert(p); |
| |
| r = mangle_path(fname, line, field, p, &c); |
| if (r <= 0) |
| return r; |
| |
| return free_and_replace(*s, c); |
| } |
| |
| static int parse_path_strv( |
| const char *fname, |
| unsigned line, |
| const char *field, |
| char ***s, |
| const char *p) { |
| |
| char *c; |
| int r; |
| |
| assert(field); |
| assert(s); |
| assert(p); |
| |
| r = mangle_path(fname, line, field, p, &c); |
| if (r <= 0) |
| return r; |
| |
| return strv_consume(s, c); |
| } |
| |
| static int parse_path_many( |
| const char *fname, |
| unsigned line, |
| const char *field, |
| char ***s, |
| const char *p) { |
| |
| _cleanup_strv_free_ char **l = NULL, **f = NULL; |
| int r; |
| |
| l = strv_split(p, NULL); |
| if (!l) |
| return -ENOMEM; |
| |
| STRV_FOREACH(i, l) { |
| char *c; |
| |
| r = mangle_path(fname, line, field, *i, &c); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| continue; |
| |
| r = strv_consume(&f, c); |
| if (r < 0) |
| return r; |
| } |
| |
| return strv_extend_strv(s, f, /* filter_duplicates= */ false); |
| } |
| |
| static int parse_tries(const char *fname, const char **p, unsigned *ret) { |
| _cleanup_free_ char *d = NULL; |
| unsigned tries; |
| size_t n; |
| int r; |
| |
| assert(fname); |
| assert(p); |
| assert(*p); |
| assert(ret); |
| |
| n = strspn(*p, DIGITS); |
| if (n == 0) { |
| *ret = UINT_MAX; |
| return 0; |
| } |
| |
| d = strndup(*p, n); |
| if (!d) |
| return log_oom(); |
| |
| r = safe_atou_full(d, 10, &tries); |
| if (r >= 0 && tries > INT_MAX) /* sd-boot allows INT_MAX, let's use the same limit */ |
| r = -ERANGE; |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse tries counter of filename '%s': %m", fname); |
| |
| *p = *p + n; |
| *ret = tries; |
| return 1; |
| } |
| |
| int boot_filename_extract_tries( |
| const char *fname, |
| char **ret_stripped, |
| unsigned *ret_tries_left, |
| unsigned *ret_tries_done) { |
| |
| unsigned tries_left = UINT_MAX, tries_done = UINT_MAX; |
| _cleanup_free_ char *stripped = NULL; |
| const char *p, *suffix, *m; |
| int r; |
| |
| assert(fname); |
| assert(ret_stripped); |
| assert(ret_tries_left); |
| assert(ret_tries_done); |
| |
| /* Be liberal with suffix, only insist on a dot. After all we want to cover any capitalization here |
| * (vfat is case insensitive after all), and at least .efi and .conf as suffix. */ |
| suffix = strrchr(fname, '.'); |
| if (!suffix) |
| goto nothing; |
| |
| p = m = memrchr(fname, '+', suffix - fname); |
| if (!p) |
| goto nothing; |
| p++; |
| |
| r = parse_tries(fname, &p, &tries_left); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| goto nothing; |
| |
| if (*p == '-') { |
| p++; |
| |
| r = parse_tries(fname, &p, &tries_done); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| goto nothing; |
| } |
| |
| if (p != suffix) |
| goto nothing; |
| |
| stripped = strndup(fname, m - fname); |
| if (!stripped) |
| return log_oom(); |
| |
| if (!strextend(&stripped, suffix)) |
| return log_oom(); |
| |
| *ret_stripped = TAKE_PTR(stripped); |
| *ret_tries_left = tries_left; |
| *ret_tries_done = tries_done; |
| |
| return 0; |
| |
| nothing: |
| stripped = strdup(fname); |
| if (!stripped) |
| return log_oom(); |
| |
| *ret_stripped = TAKE_PTR(stripped); |
| *ret_tries_left = *ret_tries_done = UINT_MAX; |
| return 0; |
| } |
| |
| static int boot_entry_load_type1( |
| FILE *f, |
| const char *root, |
| const char *dir, |
| const char *fname, |
| BootEntry *entry) { |
| |
| _cleanup_(boot_entry_free) BootEntry tmp = BOOT_ENTRY_INIT(BOOT_ENTRY_CONF); |
| unsigned line = 1; |
| char *c; |
| int r; |
| |
| assert(f); |
| assert(root); |
| assert(dir); |
| assert(fname); |
| assert(entry); |
| |
| /* Loads a Type #1 boot menu entry from the specified FILE* object */ |
| |
| r = boot_filename_extract_tries(fname, &tmp.id, &tmp.tries_left, &tmp.tries_done); |
| if (r < 0) |
| return r; |
| |
| if (!efi_loader_entry_name_valid(tmp.id)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid loader entry name: %s", fname); |
| |
| c = endswith_no_case(tmp.id, ".conf"); |
| if (!c) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid loader entry file suffix: %s", fname); |
| |
| tmp.id_old = strndup(tmp.id, c - tmp.id); /* Without .conf suffix */ |
| if (!tmp.id_old) |
| return log_oom(); |
| |
| tmp.path = path_join(dir, fname); |
| if (!tmp.path) |
| return log_oom(); |
| |
| tmp.root = strdup(root); |
| if (!tmp.root) |
| return log_oom(); |
| |
| for (;;) { |
| _cleanup_free_ char *buf = NULL, *field = NULL; |
| const char *p; |
| |
| r = read_line(f, LONG_LINE_MAX, &buf); |
| if (r == 0) |
| break; |
| if (r == -ENOBUFS) |
| return log_syntax(NULL, LOG_ERR, tmp.path, line, r, "Line too long."); |
| if (r < 0) |
| return log_syntax(NULL, LOG_ERR, tmp.path, line, r, "Error while reading: %m"); |
| |
| line++; |
| |
| p = strstrip(buf); |
| if (IN_SET(p[0], '#', '\0')) |
| continue; |
| |
| r = extract_first_word(&p, &field, NULL, 0); |
| if (r < 0) { |
| log_syntax(NULL, LOG_WARNING, tmp.path, line, r, "Failed to parse, ignoring line: %m"); |
| continue; |
| } |
| if (r == 0) { |
| log_syntax(NULL, LOG_WARNING, tmp.path, line, 0, "Bad syntax, ignoring line."); |
| continue; |
| } |
| |
| if (isempty(p)) { |
| /* Some fields can reasonably have an empty value. In other cases warn. */ |
| if (!STR_IN_SET(field, "options", "devicetree-overlay")) |
| log_syntax(NULL, LOG_WARNING, tmp.path, line, 0, "Field '%s' without value, ignoring line.", field); |
| |
| continue; |
| } |
| |
| if (streq(field, "title")) |
| r = free_and_strdup(&tmp.title, p); |
| else if (streq(field, "sort-key")) |
| r = free_and_strdup(&tmp.sort_key, p); |
| else if (streq(field, "version")) |
| r = free_and_strdup(&tmp.version, p); |
| else if (streq(field, "machine-id")) |
| r = free_and_strdup(&tmp.machine_id, p); |
| else if (streq(field, "architecture")) |
| r = free_and_strdup(&tmp.architecture, p); |
| else if (streq(field, "options")) |
| r = strv_extend(&tmp.options, p); |
| else if (streq(field, "linux")) |
| r = parse_path_one(tmp.path, line, field, &tmp.kernel, p); |
| else if (streq(field, "efi")) |
| r = parse_path_one(tmp.path, line, field, &tmp.efi, p); |
| else if (streq(field, "initrd")) |
| r = parse_path_strv(tmp.path, line, field, &tmp.initrd, p); |
| else if (streq(field, "devicetree")) |
| r = parse_path_one(tmp.path, line, field, &tmp.device_tree, p); |
| else if (streq(field, "devicetree-overlay")) |
| r = parse_path_many(tmp.path, line, field, &tmp.device_tree_overlay, p); |
| else { |
| log_syntax(NULL, LOG_WARNING, tmp.path, line, 0, "Unknown line '%s', ignoring.", field); |
| continue; |
| } |
| if (r < 0) |
| return log_syntax(NULL, LOG_ERR, tmp.path, line, r, "Error while parsing: %m"); |
| } |
| |
| *entry = tmp; |
| tmp = (BootEntry) {}; |
| return 0; |
| } |
| |
| int boot_config_load_type1( |
| BootConfig *config, |
| FILE *f, |
| const char *root, |
| const char *dir, |
| const char *fname) { |
| int r; |
| |
| assert(config); |
| assert(f); |
| assert(root); |
| assert(dir); |
| assert(fname); |
| |
| if (!GREEDY_REALLOC0(config->entries, config->n_entries + 1)) |
| return log_oom(); |
| |
| r = boot_entry_load_type1(f, root, dir, fname, config->entries + config->n_entries); |
| if (r < 0) |
| return r; |
| |
| config->n_entries++; |
| return 0; |
| } |
| |
| void boot_config_free(BootConfig *config) { |
| assert(config); |
| |
| free(config->default_pattern); |
| free(config->timeout); |
| free(config->editor); |
| free(config->auto_entries); |
| free(config->auto_firmware); |
| free(config->console_mode); |
| free(config->beep); |
| |
| free(config->entry_oneshot); |
| free(config->entry_default); |
| free(config->entry_selected); |
| |
| for (size_t i = 0; i < config->n_entries; i++) |
| boot_entry_free(config->entries + i); |
| free(config->entries); |
| |
| set_free(config->inodes_seen); |
| } |
| |
| int boot_loader_read_conf(BootConfig *config, FILE *file, const char *path) { |
| unsigned line = 1; |
| int r; |
| |
| assert(config); |
| assert(file); |
| assert(path); |
| |
| for (;;) { |
| _cleanup_free_ char *buf = NULL, *field = NULL; |
| const char *p; |
| |
| r = read_line(file, LONG_LINE_MAX, &buf); |
| if (r == 0) |
| break; |
| if (r == -ENOBUFS) |
| return log_syntax(NULL, LOG_ERR, path, line, r, "Line too long."); |
| if (r < 0) |
| return log_syntax(NULL, LOG_ERR, path, line, r, "Error while reading: %m"); |
| |
| line++; |
| |
| p = strstrip(buf); |
| if (IN_SET(p[0], '#', '\0')) |
| continue; |
| |
| r = extract_first_word(&p, &field, NULL, 0); |
| if (r < 0) { |
| log_syntax(NULL, LOG_WARNING, path, line, r, "Failed to parse, ignoring line: %m"); |
| continue; |
| } |
| if (r == 0) { |
| log_syntax(NULL, LOG_WARNING, path, line, 0, "Bad syntax, ignoring line."); |
| continue; |
| } |
| if (isempty(p)) { |
| log_syntax(NULL, LOG_WARNING, path, line, 0, "Field '%s' without value, ignoring line.", field); |
| continue; |
| } |
| |
| if (streq(field, "default")) |
| r = free_and_strdup(&config->default_pattern, p); |
| else if (streq(field, "timeout")) |
| r = free_and_strdup(&config->timeout, p); |
| else if (streq(field, "editor")) |
| r = free_and_strdup(&config->editor, p); |
| else if (streq(field, "auto-entries")) |
| r = free_and_strdup(&config->auto_entries, p); |
| else if (streq(field, "auto-firmware")) |
| r = free_and_strdup(&config->auto_firmware, p); |
| else if (streq(field, "console-mode")) |
| r = free_and_strdup(&config->console_mode, p); |
| else if (streq(field, "random-seed-mode")) |
| log_syntax(NULL, LOG_WARNING, path, line, 0, "'random-seed-mode' has been deprecated, ignoring."); |
| else if (streq(field, "beep")) |
| r = free_and_strdup(&config->beep, p); |
| else { |
| log_syntax(NULL, LOG_WARNING, path, line, 0, "Unknown line '%s', ignoring.", field); |
| continue; |
| } |
| if (r < 0) |
| return log_syntax(NULL, LOG_ERR, path, line, r, "Error while parsing: %m"); |
| } |
| |
| return 1; |
| } |
| |
| static int boot_loader_read_conf_path(BootConfig *config, const char *root, const char *path) { |
| _cleanup_free_ char *full = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| int r; |
| |
| assert(config); |
| assert(path); |
| |
| r = chase_symlinks_and_fopen_unlocked(path, root, CHASE_PREFIX_ROOT|CHASE_PROHIBIT_SYMLINKS, "re", &full, &f); |
| if (r == -ENOENT) |
| return 0; |
| if (r < 0) |
| return log_error_errno(r, "Failed to open '%s/%s': %m", root, path); |
| |
| return boot_loader_read_conf(config, f, full); |
| } |
| |
| static int boot_entry_compare(const BootEntry *a, const BootEntry *b) { |
| int r; |
| |
| assert(a); |
| assert(b); |
| |
| r = CMP(!a->sort_key, !b->sort_key); |
| if (r != 0) |
| return r; |
| |
| if (a->sort_key && b->sort_key) { |
| r = strcmp(a->sort_key, b->sort_key); |
| if (r != 0) |
| return r; |
| |
| r = strcmp_ptr(a->machine_id, b->machine_id); |
| if (r != 0) |
| return r; |
| |
| r = -strverscmp_improved(a->version, b->version); |
| if (r != 0) |
| return r; |
| } |
| |
| return -strverscmp_improved(a->id, b->id); |
| } |
| |
| static int config_check_inode_relevant_and_unseen(BootConfig *config, int fd, const char *fname) { |
| _cleanup_free_ char *d = NULL; |
| struct stat st; |
| |
| assert(config); |
| assert(fd >= 0); |
| assert(fname); |
| |
| /* So, here's the thing: because of the mess around /efi/ vs. /boot/ vs. /boot/efi/ it might be that |
| * people have these dirs, or subdirs of them symlinked or bind mounted, and we might end up |
| * iterating though some dirs multiple times. Let's thus rather be safe than sorry, and track the |
| * inodes we already processed: let's ignore inodes we have seen already. This should be robust |
| * against any form of symlinking or bind mounting, and effectively suppress any such duplicates. */ |
| |
| if (fstat(fd, &st) < 0) |
| return log_error_errno(errno, "Failed to stat('%s'): %m", fname); |
| if (!S_ISREG(st.st_mode)) { |
| log_debug("File '%s' is not a reguar file, ignoring.", fname); |
| return false; |
| } |
| |
| if (set_contains(config->inodes_seen, &st)) { |
| log_debug("Inode '%s' already seen before, ignoring.", fname); |
| return false; |
| } |
| d = memdup(&st, sizeof(st)); |
| if (!d) |
| return log_oom(); |
| if (set_ensure_put(&config->inodes_seen, &inode_hash_ops, d) < 0) |
| return log_oom(); |
| |
| TAKE_PTR(d); |
| return true; |
| } |
| |
| static int boot_entries_find_type1( |
| BootConfig *config, |
| const char *root, |
| const char *dir) { |
| |
| _cleanup_free_ DirectoryEntries *dentries = NULL; |
| _cleanup_free_ char *full = NULL; |
| _cleanup_close_ int dir_fd = -EBADF; |
| int r; |
| |
| assert(config); |
| assert(root); |
| assert(dir); |
| |
| dir_fd = chase_symlinks_and_open(dir, root, CHASE_PREFIX_ROOT|CHASE_PROHIBIT_SYMLINKS, O_DIRECTORY|O_CLOEXEC, &full); |
| if (dir_fd == -ENOENT) |
| return 0; |
| if (dir_fd < 0) |
| return log_error_errno(dir_fd, "Failed to open '%s/%s': %m", root, dir); |
| |
| r = readdir_all(dir_fd, RECURSE_DIR_IGNORE_DOT, &dentries); |
| if (r < 0) |
| return log_error_errno(r, "Failed to read directory '%s': %m", full); |
| |
| for (size_t i = 0; i < dentries->n_entries; i++) { |
| const struct dirent *de = dentries->entries[i]; |
| _cleanup_fclose_ FILE *f = NULL; |
| |
| if (!dirent_is_file(de)) |
| continue; |
| |
| if (!endswith_no_case(de->d_name, ".conf")) |
| continue; |
| |
| r = xfopenat(dir_fd, de->d_name, "re", O_NOFOLLOW|O_NOCTTY, &f); |
| if (r < 0) { |
| log_warning_errno(r, "Failed to open %s/%s, ignoring: %m", full, de->d_name); |
| continue; |
| } |
| |
| r = config_check_inode_relevant_and_unseen(config, fileno(f), de->d_name); |
| if (r < 0) |
| return r; |
| if (r == 0) /* inode already seen or otherwise not relevant */ |
| continue; |
| |
| r = boot_config_load_type1(config, f, root, full, de->d_name); |
| if (r == -ENOMEM) /* ignore all other errors */ |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int boot_entry_load_unified( |
| const char *root, |
| const char *path, |
| const char *osrelease, |
| const char *cmdline, |
| BootEntry *ret) { |
| |
| _cleanup_free_ char *fname = NULL, *os_pretty_name = NULL, *os_image_id = NULL, *os_name = NULL, *os_id = NULL, |
| *os_image_version = NULL, *os_version = NULL, *os_version_id = NULL, *os_build_id = NULL; |
| _cleanup_(boot_entry_free) BootEntry tmp = BOOT_ENTRY_INIT(BOOT_ENTRY_UNIFIED); |
| const char *k, *good_name, *good_version, *good_sort_key; |
| _cleanup_fclose_ FILE *f = NULL; |
| int r; |
| |
| assert(root); |
| assert(path); |
| assert(osrelease); |
| |
| k = path_startswith(path, root); |
| if (!k) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Path is not below root: %s", path); |
| |
| f = fmemopen_unlocked((void*) osrelease, strlen(osrelease), "r"); |
| if (!f) |
| return log_error_errno(errno, "Failed to open os-release buffer: %m"); |
| |
| r = parse_env_file(f, "os-release", |
| "PRETTY_NAME", &os_pretty_name, |
| "IMAGE_ID", &os_image_id, |
| "NAME", &os_name, |
| "ID", &os_id, |
| "IMAGE_VERSION", &os_image_version, |
| "VERSION", &os_version, |
| "VERSION_ID", &os_version_id, |
| "BUILD_ID", &os_build_id); |
| if (r < 0) |
| return log_error_errno(r, "Failed to parse os-release data from unified kernel image %s: %m", path); |
| |
| if (!bootspec_pick_name_version_sort_key( |
| os_pretty_name, |
| os_image_id, |
| os_name, |
| os_id, |
| os_image_version, |
| os_version, |
| os_version_id, |
| os_build_id, |
| &good_name, |
| &good_version, |
| &good_sort_key)) |
| return log_error_errno(SYNTHETIC_ERRNO(EBADMSG), "Missing fields in os-release data from unified kernel image %s, refusing.", path); |
| |
| r = path_extract_filename(path, &fname); |
| if (r < 0) |
| return log_error_errno(r, "Failed to extract file name from '%s': %m", path); |
| |
| r = boot_filename_extract_tries(fname, &tmp.id, &tmp.tries_left, &tmp.tries_done); |
| if (r < 0) |
| return r; |
| |
| if (!efi_loader_entry_name_valid(tmp.id)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid loader entry name: %s", tmp.id); |
| |
| if (os_id && os_version_id) { |
| tmp.id_old = strjoin(os_id, "-", os_version_id); |
| if (!tmp.id_old) |
| return log_oom(); |
| } |
| |
| tmp.path = strdup(path); |
| if (!tmp.path) |
| return log_oom(); |
| |
| tmp.root = strdup(root); |
| if (!tmp.root) |
| return log_oom(); |
| |
| tmp.kernel = path_make_absolute(k, "/"); |
| if (!tmp.kernel) |
| return log_oom(); |
| |
| tmp.options = strv_new(skip_leading_chars(cmdline, WHITESPACE)); |
| if (!tmp.options) |
| return log_oom(); |
| |
| delete_trailing_chars(tmp.options[0], WHITESPACE); |
| |
| tmp.title = strdup(good_name); |
| if (!tmp.title) |
| return log_oom(); |
| |
| if (good_sort_key) { |
| tmp.sort_key = strdup(good_sort_key); |
| if (!tmp.sort_key) |
| return log_oom(); |
| } |
| |
| if (good_version) { |
| tmp.version = strdup(good_version); |
| if (!tmp.version) |
| return log_oom(); |
| } |
| |
| *ret = tmp; |
| tmp = (BootEntry) {}; |
| return 0; |
| } |
| |
| /* Maximum PE section we are willing to load (Note that sections we are not interested in may be larger, but |
| * the ones we do care about and we are willing to load into memory have this size limit.) */ |
| #define PE_SECTION_SIZE_MAX (4U*1024U*1024U) |
| |
| static int find_sections( |
| int fd, |
| const char *path, |
| char **ret_osrelease, |
| char **ret_cmdline) { |
| |
| _cleanup_free_ struct PeSectionHeader *sections = NULL; |
| _cleanup_free_ char *osrelease = NULL, *cmdline = NULL; |
| ssize_t n; |
| |
| struct DosFileHeader dos; |
| n = pread(fd, &dos, sizeof(dos), 0); |
| if (n < 0) |
| return log_warning_errno(errno, "%s: Failed to read DOS header, ignoring: %m", path); |
| if (n != sizeof(dos)) |
| return log_warning_errno(SYNTHETIC_ERRNO(EIO), "%s: Short read while reading DOS header, ignoring.", path); |
| |
| if (dos.Magic[0] != 'M' || dos.Magic[1] != 'Z') |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: DOS executable magic missing, ignoring.", path); |
| |
| uint64_t start = unaligned_read_le32(&dos.ExeHeader); |
| |
| struct PeHeader pe; |
| n = pread(fd, &pe, sizeof(pe), start); |
| if (n < 0) |
| return log_warning_errno(errno, "%s: Failed to read PE header, ignoring: %m", path); |
| if (n != sizeof(pe)) |
| return log_warning_errno(SYNTHETIC_ERRNO(EIO), "%s: Short read while reading PE header, ignoring.", path); |
| |
| if (pe.Magic[0] != 'P' || pe.Magic[1] != 'E' || pe.Magic[2] != 0 || pe.Magic[3] != 0) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: PE executable magic missing, ignoring.", path); |
| |
| size_t n_sections = unaligned_read_le16(&pe.FileHeader.NumberOfSections); |
| if (n_sections > 96) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: PE header has too many sections, ignoring.", path); |
| |
| sections = new(struct PeSectionHeader, n_sections); |
| if (!sections) |
| return log_oom(); |
| |
| n = pread(fd, sections, |
| n_sections * sizeof(struct PeSectionHeader), |
| start + sizeof(pe) + unaligned_read_le16(&pe.FileHeader.SizeOfOptionalHeader)); |
| if (n < 0) |
| return log_warning_errno(errno, "%s: Failed to read section data, ignoring: %m", path); |
| if ((size_t) n != n_sections * sizeof(struct PeSectionHeader)) |
| return log_warning_errno(SYNTHETIC_ERRNO(EIO), "%s: Short read while reading sections, ignoring.", path); |
| |
| for (size_t i = 0; i < n_sections; i++) { |
| _cleanup_free_ char *k = NULL; |
| uint32_t offset, size; |
| char **b; |
| |
| if (strneq((char*) sections[i].Name, ".osrel", sizeof(sections[i].Name))) |
| b = &osrelease; |
| else if (strneq((char*) sections[i].Name, ".cmdline", sizeof(sections[i].Name))) |
| b = &cmdline; |
| else |
| continue; |
| |
| if (*b) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: Duplicate section %s, ignoring.", path, sections[i].Name); |
| |
| offset = unaligned_read_le32(§ions[i].PointerToRawData); |
| size = unaligned_read_le32(§ions[i].VirtualSize); |
| |
| if (size > PE_SECTION_SIZE_MAX) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: Section %s too large, ignoring.", path, sections[i].Name); |
| |
| k = new(char, size+1); |
| if (!k) |
| return log_oom(); |
| |
| n = pread(fd, k, size, offset); |
| if (n < 0) |
| return log_warning_errno(errno, "%s: Failed to read section payload, ignoring: %m", path); |
| if ((size_t) n != size) |
| return log_warning_errno(SYNTHETIC_ERRNO(EIO), "%s: Short read while reading section payload, ignoring:", path); |
| |
| /* Allow one trailing NUL byte, but nothing more. */ |
| if (size > 0 && memchr(k, 0, size - 1)) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: Section contains embedded NUL byte, ignoring.", path); |
| |
| k[size] = 0; |
| *b = TAKE_PTR(k); |
| } |
| |
| if (!osrelease) |
| return log_warning_errno(SYNTHETIC_ERRNO(EBADMSG), "%s: Image lacks .osrel section, ignoring.", path); |
| |
| if (ret_osrelease) |
| *ret_osrelease = TAKE_PTR(osrelease); |
| if (ret_cmdline) |
| *ret_cmdline = TAKE_PTR(cmdline); |
| |
| return 0; |
| } |
| |
| static int boot_entries_find_unified( |
| BootConfig *config, |
| const char *root, |
| const char *dir) { |
| |
| _cleanup_(closedirp) DIR *d = NULL; |
| _cleanup_free_ char *full = NULL; |
| int r; |
| |
| assert(config); |
| assert(dir); |
| |
| r = chase_symlinks_and_opendir(dir, root, CHASE_PREFIX_ROOT|CHASE_PROHIBIT_SYMLINKS, &full, &d); |
| if (r == -ENOENT) |
| return 0; |
| if (r < 0) |
| return log_error_errno(r, "Failed to open '%s/%s': %m", root, dir); |
| |
| FOREACH_DIRENT(de, d, return log_error_errno(errno, "Failed to read %s: %m", full)) { |
| _cleanup_free_ char *j = NULL, *osrelease = NULL, *cmdline = NULL; |
| _cleanup_close_ int fd = -EBADF; |
| |
| if (!dirent_is_file(de)) |
| continue; |
| |
| if (!endswith_no_case(de->d_name, ".efi")) |
| continue; |
| |
| if (!GREEDY_REALLOC0(config->entries, config->n_entries + 1)) |
| return log_oom(); |
| |
| fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC|O_NONBLOCK|O_NOFOLLOW|O_NOCTTY); |
| if (fd < 0) { |
| log_warning_errno(errno, "Failed to open %s/%s, ignoring: %m", full, de->d_name); |
| continue; |
| } |
| |
| r = config_check_inode_relevant_and_unseen(config, fd, de->d_name); |
| if (r < 0) |
| return r; |
| if (r == 0) /* inode already seen or otherwise not relevant */ |
| continue; |
| |
| j = path_join(full, de->d_name); |
| if (!j) |
| return log_oom(); |
| |
| if (find_sections(fd, j, &osrelease, &cmdline) < 0) |
| continue; |
| |
| r = boot_entry_load_unified(root, j, osrelease, cmdline, config->entries + config->n_entries); |
| if (r < 0) |
| continue; |
| |
| config->n_entries++; |
| } |
| |
| return 0; |
| } |
| |
| static bool find_nonunique(const BootEntry *entries, size_t n_entries, bool arr[]) { |
| bool non_unique = false; |
| |
| assert(entries || n_entries == 0); |
| assert(arr || n_entries == 0); |
| |
| for (size_t i = 0; i < n_entries; i++) |
| arr[i] = false; |
| |
| for (size_t i = 0; i < n_entries; i++) |
| for (size_t j = 0; j < n_entries; j++) |
| if (i != j && streq(boot_entry_title(entries + i), |
| boot_entry_title(entries + j))) |
| non_unique = arr[i] = arr[j] = true; |
| |
| return non_unique; |
| } |
| |
| static int boot_entries_uniquify(BootEntry *entries, size_t n_entries) { |
| _cleanup_free_ bool *arr = NULL; |
| char *s; |
| |
| assert(entries || n_entries == 0); |
| |
| if (n_entries == 0) |
| return 0; |
| |
| arr = new(bool, n_entries); |
| if (!arr) |
| return -ENOMEM; |
| |
| /* Find _all_ non-unique titles */ |
| if (!find_nonunique(entries, n_entries, arr)) |
| return 0; |
| |
| /* Add version to non-unique titles */ |
| for (size_t i = 0; i < n_entries; i++) |
| if (arr[i] && entries[i].version) { |
| if (asprintf(&s, "%s (%s)", boot_entry_title(entries + i), entries[i].version) < 0) |
| return -ENOMEM; |
| |
| free_and_replace(entries[i].show_title, s); |
| } |
| |
| if (!find_nonunique(entries, n_entries, arr)) |
| return 0; |
| |
| /* Add machine-id to non-unique titles */ |
| for (size_t i = 0; i < n_entries; i++) |
| if (arr[i] && entries[i].machine_id) { |
| if (asprintf(&s, "%s (%s)", boot_entry_title(entries + i), entries[i].machine_id) < 0) |
| return -ENOMEM; |
| |
| free_and_replace(entries[i].show_title, s); |
| } |
| |
| if (!find_nonunique(entries, n_entries, arr)) |
| return 0; |
| |
| /* Add file name to non-unique titles */ |
| for (size_t i = 0; i < n_entries; i++) |
| if (arr[i]) { |
| if (asprintf(&s, "%s (%s)", boot_entry_title(entries + i), entries[i].id) < 0) |
| return -ENOMEM; |
| |
| free_and_replace(entries[i].show_title, s); |
| } |
| |
| return 0; |
| } |
| |
| static int boot_config_find(const BootConfig *config, const char *id) { |
| assert(config); |
| |
| if (!id) |
| return -1; |
| |
| if (id[0] == '@') { |
| if (!strcaseeq(id, "@saved")) |
| return -1; |
| if (!config->entry_selected) |
| return -1; |
| id = config->entry_selected; |
| } |
| |
| for (size_t i = 0; i < config->n_entries; i++) |
| if (fnmatch(id, config->entries[i].id, FNM_CASEFOLD) == 0) |
| return i; |
| |
| return -1; |
| } |
| |
| static int boot_entries_select_default(const BootConfig *config) { |
| int i; |
| |
| assert(config); |
| assert(config->entries || config->n_entries == 0); |
| |
| if (config->n_entries == 0) { |
| log_debug("Found no default boot entry :("); |
| return -1; /* -1 means "no default" */ |
| } |
| |
| if (config->entry_oneshot) { |
| i = boot_config_find(config, config->entry_oneshot); |
| if (i >= 0) { |
| log_debug("Found default: id \"%s\" is matched by LoaderEntryOneShot", |
| config->entries[i].id); |
| return i; |
| } |
| } |
| |
| if (config->entry_default) { |
| i = boot_config_find(config, config->entry_default); |
| if (i >= 0) { |
| log_debug("Found default: id \"%s\" is matched by LoaderEntryDefault", |
| config->entries[i].id); |
| return i; |
| } |
| } |
| |
| if (config->default_pattern) { |
| i = boot_config_find(config, config->default_pattern); |
| if (i >= 0) { |
| log_debug("Found default: id \"%s\" is matched by pattern \"%s\"", |
| config->entries[i].id, config->default_pattern); |
| return i; |
| } |
| } |
| |
| log_debug("Found default: first entry \"%s\"", config->entries[0].id); |
| return 0; |
| } |
| |
| static int boot_entries_select_selected(const BootConfig *config) { |
| assert(config); |
| assert(config->entries || config->n_entries == 0); |
| |
| if (!config->entry_selected || config->n_entries == 0) |
| return -1; |
| |
| return boot_config_find(config, config->entry_selected); |
| } |
| |
| static int boot_load_efi_entry_pointers(BootConfig *config, bool skip_efivars) { |
| int r; |
| |
| assert(config); |
| |
| if (skip_efivars || !is_efi_boot()) |
| return 0; |
| |
| /* Loads the three "pointers" to boot loader entries from their EFI variables */ |
| |
| r = efi_get_variable_string(EFI_LOADER_VARIABLE(LoaderEntryOneShot), &config->entry_oneshot); |
| if (r == -ENOMEM) |
| return log_oom(); |
| if (r < 0 && !IN_SET(r, -ENOENT, -ENODATA)) |
| log_warning_errno(r, "Failed to read EFI variable \"LoaderEntryOneShot\", ignoring: %m"); |
| |
| r = efi_get_variable_string(EFI_LOADER_VARIABLE(LoaderEntryDefault), &config->entry_default); |
| if (r == -ENOMEM) |
| return log_oom(); |
| if (r < 0 && !IN_SET(r, -ENOENT, -ENODATA)) |
| log_warning_errno(r, "Failed to read EFI variable \"LoaderEntryDefault\", ignoring: %m"); |
| |
| r = efi_get_variable_string(EFI_LOADER_VARIABLE(LoaderEntrySelected), &config->entry_selected); |
| if (r == -ENOMEM) |
| return log_oom(); |
| if (r < 0 && !IN_SET(r, -ENOENT, -ENODATA)) |
| log_warning_errno(r, "Failed to read EFI variable \"LoaderEntrySelected\", ignoring: %m"); |
| |
| return 1; |
| } |
| |
| int boot_config_select_special_entries(BootConfig *config, bool skip_efivars) { |
| int r; |
| |
| assert(config); |
| |
| r = boot_load_efi_entry_pointers(config, skip_efivars); |
| if (r < 0) |
| return r; |
| |
| config->default_entry = boot_entries_select_default(config); |
| config->selected_entry = boot_entries_select_selected(config); |
| |
| return 0; |
| } |
| |
| int boot_config_finalize(BootConfig *config) { |
| int r; |
| |
| typesafe_qsort(config->entries, config->n_entries, boot_entry_compare); |
| |
| r = boot_entries_uniquify(config->entries, config->n_entries); |
| if (r < 0) |
| return log_error_errno(r, "Failed to uniquify boot entries: %m"); |
| |
| return 0; |
| } |
| |
| int boot_config_load( |
| BootConfig *config, |
| const char *esp_path, |
| const char *xbootldr_path) { |
| |
| int r; |
| |
| assert(config); |
| |
| if (esp_path) { |
| r = boot_loader_read_conf_path(config, esp_path, "/loader/loader.conf"); |
| if (r < 0) |
| return r; |
| |
| r = boot_entries_find_type1(config, esp_path, "/loader/entries"); |
| if (r < 0) |
| return r; |
| |
| r = boot_entries_find_unified(config, esp_path, "/EFI/Linux/"); |
| if (r < 0) |
| return r; |
| } |
| |
| if (xbootldr_path) { |
| r = boot_entries_find_type1(config, xbootldr_path, "/loader/entries"); |
| if (r < 0) |
| return r; |
| |
| r = boot_entries_find_unified(config, xbootldr_path, "/EFI/Linux/"); |
| if (r < 0) |
| return r; |
| } |
| |
| return boot_config_finalize(config); |
| } |
| |
| int boot_config_load_auto( |
| BootConfig *config, |
| const char *override_esp_path, |
| const char *override_xbootldr_path) { |
| |
| _cleanup_free_ char *esp_where = NULL, *xbootldr_where = NULL; |
| dev_t esp_devid = 0, xbootldr_devid = 0; |
| int r; |
| |
| assert(config); |
| |
| /* This function is similar to boot_entries_load_config(), however we automatically search for the |
| * ESP and the XBOOTLDR partition unless it is explicitly specified. Also, if the user did not pass |
| * an ESP or XBOOTLDR path directly, let's see if /run/boot-loader-entries/ exists. If so, let's |
| * read data from there, as if it was an ESP (i.e. loading both entries and loader.conf data from |
| * it). This allows other boot loaders to pass boot loader entry information to our tools if they |
| * want to. */ |
| |
| if (!override_esp_path && !override_xbootldr_path) { |
| if (access("/run/boot-loader-entries/", F_OK) >= 0) |
| return boot_config_load(config, "/run/boot-loader-entries/", NULL); |
| |
| if (errno != ENOENT) |
| return log_error_errno(errno, |
| "Failed to determine whether /run/boot-loader-entries/ exists: %m"); |
| } |
| |
| r = find_esp_and_warn(NULL, override_esp_path, /* unprivileged_mode= */ false, &esp_where, NULL, NULL, NULL, NULL, &esp_devid); |
| if (r < 0) /* we don't log about ENOKEY here, but propagate it, leaving it to the caller to log */ |
| return r; |
| |
| r = find_xbootldr_and_warn(NULL, override_xbootldr_path, /* unprivileged_mode= */ false, &xbootldr_where, NULL, &xbootldr_devid); |
| if (r < 0 && r != -ENOKEY) |
| return r; /* It's fine if the XBOOTLDR partition doesn't exist, hence we ignore ENOKEY here */ |
| |
| /* If both paths actually refer to the same inode, suppress the xbootldr path */ |
| if (esp_where && xbootldr_where && devnum_set_and_equal(esp_devid, xbootldr_devid)) |
| xbootldr_where = mfree(xbootldr_where); |
| |
| return boot_config_load(config, esp_where, xbootldr_where); |
| } |
| |
| int boot_config_augment_from_loader( |
| BootConfig *config, |
| char **found_by_loader, |
| bool only_auto) { |
| |
| static const char *const title_table[] = { |
| /* Pretty names for a few well-known automatically discovered entries. */ |
| "auto-osx", "macOS", |
| "auto-windows", "Windows Boot Manager", |
| "auto-efi-shell", "EFI Shell", |
| "auto-efi-default", "EFI Default Loader", |
| "auto-reboot-to-firmware-setup", "Reboot Into Firmware Interface", |
| NULL, |
| }; |
| |
| assert(config); |
| |
| /* Let's add the entries discovered by the boot loader to the end of our list, unless they are |
| * already included there. */ |
| |
| STRV_FOREACH(i, found_by_loader) { |
| BootEntry *existing; |
| _cleanup_free_ char *c = NULL, *t = NULL, *p = NULL; |
| |
| existing = boot_config_find_entry(config, *i); |
| if (existing) { |
| existing->reported_by_loader = true; |
| continue; |
| } |
| |
| if (only_auto && !startswith(*i, "auto-")) |
| continue; |
| |
| c = strdup(*i); |
| if (!c) |
| return log_oom(); |
| |
| STRV_FOREACH_PAIR(a, b, title_table) |
| if (streq(*a, *i)) { |
| t = strdup(*b); |
| if (!t) |
| return log_oom(); |
| break; |
| } |
| |
| p = strdup(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderEntries))); |
| if (!p) |
| return log_oom(); |
| |
| if (!GREEDY_REALLOC0(config->entries, config->n_entries + 1)) |
| return log_oom(); |
| |
| config->entries[config->n_entries++] = (BootEntry) { |
| .type = startswith(*i, "auto-") ? BOOT_ENTRY_LOADER_AUTO : BOOT_ENTRY_LOADER, |
| .id = TAKE_PTR(c), |
| .title = TAKE_PTR(t), |
| .path = TAKE_PTR(p), |
| .reported_by_loader = true, |
| .tries_left = UINT_MAX, |
| .tries_done = UINT_MAX, |
| }; |
| } |
| |
| return 0; |
| } |
| |
| BootEntry* boot_config_find_entry(BootConfig *config, const char *id) { |
| assert(config); |
| assert(id); |
| |
| for (size_t j = 0; j < config->n_entries; j++) |
| if (streq_ptr(config->entries[j].id, id) || |
| streq_ptr(config->entries[j].id_old, id)) |
| return config->entries + j; |
| |
| return NULL; |
| } |
| |
| static void boot_entry_file_list( |
| const char *field, |
| const char *root, |
| const char *p, |
| int *ret_status) { |
| |
| assert(p); |
| assert(ret_status); |
| |
| int status = chase_symlinks_and_access(p, root, CHASE_PREFIX_ROOT|CHASE_PROHIBIT_SYMLINKS, F_OK, NULL, NULL); |
| |
| /* Note that this shows two '/' between the root and the file. This is intentional to highlight (in |
| * the absence of color support) to the user that the boot loader is only interested in the second |
| * part of the file. */ |
| printf("%13s%s %s%s/%s", strempty(field), field ? ":" : " ", ansi_grey(), root, ansi_normal()); |
| |
| if (status < 0) { |
| errno = -status; |
| printf("%s%s%s (%m)\n", ansi_highlight_red(), p, ansi_normal()); |
| } else |
| printf("%s\n", p); |
| |
| if (*ret_status == 0 && status < 0) |
| *ret_status = status; |
| } |
| |
| int show_boot_entry( |
| const BootEntry *e, |
| bool show_as_default, |
| bool show_as_selected, |
| bool show_reported) { |
| |
| int status = 0; |
| |
| /* Returns 0 on success, negative on processing error, and positive if something is wrong with the |
| boot entry itself. */ |
| |
| assert(e); |
| |
| printf(" type: %s\n", |
| boot_entry_type_to_string(e->type)); |
| |
| printf(" title: %s%s%s", |
| ansi_highlight(), boot_entry_title(e), ansi_normal()); |
| |
| if (show_as_default) |
| printf(" %s(default)%s", |
| ansi_highlight_green(), ansi_normal()); |
| |
| if (show_as_selected) |
| printf(" %s(selected)%s", |
| ansi_highlight_magenta(), ansi_normal()); |
| |
| if (show_reported) { |
| if (e->type == BOOT_ENTRY_LOADER) |
| printf(" %s(reported/absent)%s", |
| ansi_highlight_red(), ansi_normal()); |
| else if (!e->reported_by_loader && e->type != BOOT_ENTRY_LOADER_AUTO) |
| printf(" %s(not reported/new)%s", |
| ansi_highlight_green(), ansi_normal()); |
| } |
| |
| putchar('\n'); |
| |
| if (e->id) |
| printf(" id: %s\n", e->id); |
| if (e->path) { |
| _cleanup_free_ char *text = NULL, *link = NULL; |
| |
| const char *p = e->root ? path_startswith(e->path, e->root) : NULL; |
| if (p) { |
| text = strjoin(ansi_grey(), e->root, "/", ansi_normal(), "/", p); |
| if (!text) |
| return log_oom(); |
| } |
| |
| /* Let's urlify the link to make it easy to view in an editor, but only if it is a text |
| * file. Unified images are binary ELFs, and EFI variables are not pure text either. */ |
| if (e->type == BOOT_ENTRY_CONF) |
| (void) terminal_urlify_path(e->path, text, &link); |
| |
| printf(" source: %s\n", link ?: text ?: e->path); |
| } |
| if (e->tries_left != UINT_MAX) { |
| printf(" tries: %u left", e->tries_left); |
| |
| if (e->tries_done != UINT_MAX) |
| printf("; %u done\n", e->tries_done); |
| else |
| printf("\n"); |
| } |
| |
| if (e->sort_key) |
| printf(" sort-key: %s\n", e->sort_key); |
| if (e->version) |
| printf(" version: %s\n", e->version); |
| if (e->machine_id) |
| printf(" machine-id: %s\n", e->machine_id); |
| if (e->architecture) |
| printf(" architecture: %s\n", e->architecture); |
| if (e->kernel) |
| boot_entry_file_list("linux", e->root, e->kernel, &status); |
| if (e->efi) |
| boot_entry_file_list("efi", e->root, e->efi, &status); |
| |
| STRV_FOREACH(s, e->initrd) |
| boot_entry_file_list(s == e->initrd ? "initrd" : NULL, |
| e->root, |
| *s, |
| &status); |
| |
| if (!strv_isempty(e->options)) { |
| _cleanup_free_ char *t = NULL, *t2 = NULL; |
| _cleanup_strv_free_ char **ts = NULL; |
| |
| t = strv_join(e->options, " "); |
| if (!t) |
| return log_oom(); |
| |
| ts = strv_split_newlines(t); |
| if (!ts) |
| return log_oom(); |
| |
| t2 = strv_join(ts, "\n "); |
| if (!t2) |
| return log_oom(); |
| |
| printf(" options: %s\n", t2); |
| } |
| |
| if (e->device_tree) |
| boot_entry_file_list("devicetree", e->root, e->device_tree, &status); |
| |
| STRV_FOREACH(s, e->device_tree_overlay) |
| boot_entry_file_list(s == e->device_tree_overlay ? "devicetree-overlay" : NULL, |
| e->root, |
| *s, |
| &status); |
| |
| return -status; |
| } |
| |
| int show_boot_entries(const BootConfig *config, JsonFormatFlags json_format) { |
| int r; |
| |
| assert(config); |
| |
| if (!FLAGS_SET(json_format, JSON_FORMAT_OFF)) { |
| _cleanup_(json_variant_unrefp) JsonVariant *array = NULL; |
| |
| for (size_t i = 0; i < config->n_entries; i++) { |
| _cleanup_free_ char *opts = NULL; |
| const BootEntry *e = config->entries + i; |
| _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; |
| |
| if (!strv_isempty(e->options)) { |
| opts = strv_join(e->options, " "); |
| if (!opts) |
| return log_oom(); |
| } |
| |
| r = json_append(&v, JSON_BUILD_OBJECT( |
| JSON_BUILD_PAIR_CONDITION(e->id, "id", JSON_BUILD_STRING(e->id)), |
| JSON_BUILD_PAIR_CONDITION(e->path, "path", JSON_BUILD_STRING(e->path)), |
| JSON_BUILD_PAIR_CONDITION(e->root, "root", JSON_BUILD_STRING(e->root)), |
| JSON_BUILD_PAIR_CONDITION(e->title, "title", JSON_BUILD_STRING(e->title)), |
| JSON_BUILD_PAIR_CONDITION(boot_entry_title(e), "showTitle", JSON_BUILD_STRING(boot_entry_title(e))), |
| JSON_BUILD_PAIR_CONDITION(e->sort_key, "sortKey", JSON_BUILD_STRING(e->sort_key)), |
| JSON_BUILD_PAIR_CONDITION(e->version, "version", JSON_BUILD_STRING(e->version)), |
| JSON_BUILD_PAIR_CONDITION(e->machine_id, "machineId", JSON_BUILD_STRING(e->machine_id)), |
| JSON_BUILD_PAIR_CONDITION(e->architecture, "architecture", JSON_BUILD_STRING(e->architecture)), |
| JSON_BUILD_PAIR_CONDITION(opts, "options", JSON_BUILD_STRING(opts)), |
| JSON_BUILD_PAIR_CONDITION(e->kernel, "linux", JSON_BUILD_STRING(e->kernel)), |
| JSON_BUILD_PAIR_CONDITION(e->efi, "efi", JSON_BUILD_STRING(e->efi)), |
| JSON_BUILD_PAIR_CONDITION(!strv_isempty(e->initrd), "initrd", JSON_BUILD_STRV(e->initrd)), |
| JSON_BUILD_PAIR_CONDITION(e->device_tree, "devicetree", JSON_BUILD_STRING(e->device_tree)), |
| JSON_BUILD_PAIR_CONDITION(!strv_isempty(e->device_tree_overlay), "devicetreeOverlay", JSON_BUILD_STRV(e->device_tree_overlay)))); |
| if (r < 0) |
| return log_oom(); |
| |
| /* Sanitizers (only memory sanitizer?) do not like function call with too many |
| * arguments and trigger false positive warnings. Let's not add too many json objects |
| * at once. */ |
| r = json_append(&v, JSON_BUILD_OBJECT( |
| JSON_BUILD_PAIR_CONDITION(e->tries_left != UINT_MAX, "triesLeft", JSON_BUILD_UNSIGNED(e->tries_left)), |
| JSON_BUILD_PAIR_CONDITION(e->tries_done != UINT_MAX, "triesDone", JSON_BUILD_UNSIGNED(e->tries_done)), |
| JSON_BUILD_PAIR_CONDITION(config->default_entry >= 0, "isDefault", JSON_BUILD_BOOLEAN(i == (size_t) config->default_entry)), |
| JSON_BUILD_PAIR_CONDITION(config->selected_entry >= 0, "isSelected", JSON_BUILD_BOOLEAN(i == (size_t) config->selected_entry)))); |
| |
| if (r < 0) |
| return log_oom(); |
| |
| r = json_variant_append_array(&array, v); |
| if (r < 0) |
| return log_oom(); |
| } |
| |
| json_variant_dump(array, json_format | JSON_FORMAT_EMPTY_ARRAY, NULL, NULL); |
| |
| } else { |
| for (size_t n = 0; n < config->n_entries; n++) { |
| r = show_boot_entry( |
| config->entries + n, |
| /* show_as_default= */ n == (size_t) config->default_entry, |
| /* show_as_selected= */ n == (size_t) config->selected_entry, |
| /* show_discovered= */ true); |
| if (r < 0) |
| return r; |
| |
| if (n+1 < config->n_entries) |
| putchar('\n'); |
| } |
| } |
| |
| return 0; |
| } |
