1 files changed, 86 insertions, 0 deletions
diff --git a/src/shared/bootspec.h b/src/shared/bootspec.h
new file mode 100644
index 0000000..1557bd0
--- /dev/null
+++ b/src/shared/bootspec.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include "sd-id128.h"
+
+#include "string-util.h"
+
+typedef enum BootEntryType {
+        BOOT_ENTRY_CONF,     /* Type #1 entries: *.conf files */
+        BOOT_ENTRY_UNIFIED,  /* Type #2 entries: *.efi files */
+        BOOT_ENTRY_LOADER,   /* Additional entries augmented from LoaderEntries EFI var */
+        _BOOT_ENTRY_MAX,
+        _BOOT_ENTRY_INVALID = -1,
+} BootEntryType;
+
+typedef struct BootEntry {
+        BootEntryType type;
+        char *id;       /* This is the file basename without extension */
+        char *id_old;   /* Old-style ID, for deduplication purposes. */
+        char *path;     /* This is the full path to the drop-in file */
+        char *root;     /* The root path in which the drop-in was found, i.e. to which 'kernel', 'efi' and 'initrd' are relative */
+        char *title;
+        char *show_title;
+        char *version;
+        char *machine_id;
+        char *architecture;
+        char **options;
+        char *kernel;        /* linux is #defined to 1, yikes! */
+        char *efi;
+        char **initrd;
+        char *device_tree;
+} BootEntry;
+
+typedef struct BootConfig {
+        char *default_pattern;
+        char *timeout;
+        char *editor;
+        char *auto_entries;
+        char *auto_firmware;
+        char *console_mode;
+        char *random_seed_mode;
+
+        char *entry_oneshot;
+        char *entry_default;
+
+        BootEntry *entries;
+        size_t n_entries;
+        ssize_t default_entry;
+} BootConfig;
+
+static inline bool boot_config_has_entry(BootConfig *config, const char *id) {
+        size_t j;
+
+        for (j = 0; j < config->n_entries; j++) {
+                const char* entry_id_old = config->entries[j].id_old;
+                if (streq(config->entries[j].id, id) ||
+                    (entry_id_old && streq(entry_id_old, id)))
+                        return true;
+        }
+
+        return false;
+}
+
+static inline BootEntry* boot_config_default_entry(BootConfig *config) {
+        if (config->default_entry < 0)
+                return NULL;
+
+        return config->entries + config->default_entry;
+}
+
+void boot_config_free(BootConfig *config);
+int boot_entries_load_config(const char *esp_path, const char *xbootldr_path, BootConfig *config);
+int boot_entries_load_config_auto(const char *override_esp_path, const char *override_xbootldr_path, BootConfig *config);
+int boot_entries_augment_from_loader(BootConfig *config, char **list, bool only_auto);
+
+static inline const char* boot_entry_title(const BootEntry *entry) {
+        return entry->show_title ?: entry->title ?: entry->id;
+}
+
+int find_esp_and_warn(const char *path, bool unprivileged_mode, char **ret_path, uint32_t *ret_part, uint64_t *ret_pstart, uint64_t *ret_psize, sd_id128_t *ret_uuid);
+int find_xbootldr_and_warn(const char *path, bool unprivileged_mode, char **ret_path,sd_id128_t *ret_uuid);