diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/eficonfig.c | 348 |
1 files changed, 347 insertions, 1 deletions
diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c index 99c83d1adf..2595dd9563 100644 --- a/cmd/eficonfig.c +++ b/cmd/eficonfig.c @@ -93,6 +93,23 @@ struct eficonfig_boot_selection_data { }; /** + * struct eficonfig_boot_order - structure to be used to update BootOrder variable + * + * @num: index in the menu entry + * @description: pointer to the description string + * @boot_index: boot option index + * @active: flag to include the boot option into BootOrder variable + * @list: list structure + */ +struct eficonfig_boot_order { + u32 num; + u16 *description; + u32 boot_index; + bool active; + struct list_head list; +}; + +/** * eficonfig_print_msg() - print message * * display the message to the user, user proceeds the screen @@ -1789,6 +1806,335 @@ out: } /** + * eficonfig_display_change_boot_order() - display the BootOrder list + * + * @efi_menu: pointer to the efimenu structure + * Return: status code + */ +static void eficonfig_display_change_boot_order(struct efimenu *efi_menu) +{ + bool reverse; + struct list_head *pos, *n; + struct eficonfig_boot_order *entry; + + printf(ANSI_CLEAR_CONSOLE ANSI_CURSOR_POSITION + "\n ** Change Boot Order **\n" + ANSI_CURSOR_POSITION + " Press UP/DOWN to move, +/- to change order" + ANSI_CURSOR_POSITION + " Press SPACE to activate or deactivate the entry" + ANSI_CURSOR_POSITION + " Select [Save] to complete, ESC/CTRL+C to quit" + ANSI_CURSOR_POSITION ANSI_CLEAR_LINE, + 1, 1, efi_menu->count + 5, 1, efi_menu->count + 6, 1, + efi_menu->count + 7, 1, efi_menu->count + 8, 1); + + /* draw boot option list */ + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + reverse = (entry->num == efi_menu->active); + + printf(ANSI_CURSOR_POSITION, entry->num + 4, 7); + + if (reverse) + puts(ANSI_COLOR_REVERSE); + + if (entry->num < efi_menu->count - 2) { + if (entry->active) + printf("[*] "); + else + printf("[ ] "); + } + + printf("%ls", entry->description); + + if (reverse) + puts(ANSI_COLOR_RESET); + } +} + +/** + * eficonfig_choice_change_boot_order() - handle the BootOrder update + * + * @efi_menu: pointer to the efimenu structure + * Return: status code + */ +static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu) +{ + int esc = 0; + struct list_head *pos, *n; + struct eficonfig_boot_order *tmp; + enum bootmenu_key key = KEY_NONE; + struct eficonfig_boot_order *entry; + + while (1) { + bootmenu_loop(NULL, &key, &esc); + + switch (key) { + case KEY_PLUS: + if (efi_menu->active > 0) { + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + if (entry->num == efi_menu->active) + break; + } + tmp = list_entry(pos->prev, struct eficonfig_boot_order, list); + entry->num--; + tmp->num++; + list_del(&tmp->list); + list_add(&tmp->list, &entry->list); + } + fallthrough; + case KEY_UP: + if (efi_menu->active > 0) + --efi_menu->active; + return EFI_NOT_READY; + case KEY_MINUS: + if (efi_menu->active < efi_menu->count - 3) { + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + if (entry->num == efi_menu->active) + break; + } + tmp = list_entry(pos->next, struct eficonfig_boot_order, list); + entry->num++; + tmp->num--; + list_del(&entry->list); + list_add(&entry->list, &tmp->list); + + ++efi_menu->active; + } + return EFI_NOT_READY; + case KEY_DOWN: + if (efi_menu->active < efi_menu->count - 1) + ++efi_menu->active; + return EFI_NOT_READY; + case KEY_SELECT: + /* "Save" */ + if (efi_menu->active == efi_menu->count - 2) + return EFI_SUCCESS; + + /* "Quit" */ + if (efi_menu->active == efi_menu->count - 1) + return EFI_ABORTED; + + break; + case KEY_SPACE: + if (efi_menu->active < efi_menu->count - 2) { + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + if (entry->num == efi_menu->active) { + entry->active = entry->active ? false : true; + return EFI_NOT_READY; + } + } + } + break; + case KEY_QUIT: + return EFI_ABORTED; + default: + /* Pressed key is not valid, no need to regenerate the menu */ + break; + } + } +} + +/** + * eficonfig_add_change_boot_order_entry() - add boot order entry + * + * @efi_menu: pointer to the efimenu structure + * @boot_index: boot option index to be added + * @active: flag to include the boot option into BootOrder + * Return: status code + */ +static efi_status_t eficonfig_add_change_boot_order_entry(struct efimenu *efi_menu, + u32 boot_index, bool active) +{ + efi_status_t ret; + efi_uintn_t size; + void *load_option; + struct efi_load_option lo; + u16 varname[] = u"Boot####"; + struct eficonfig_boot_order *entry; + + efi_create_indexed_name(varname, sizeof(varname), "Boot", boot_index); + load_option = efi_get_var(varname, &efi_global_variable_guid, &size); + if (!load_option) + return EFI_SUCCESS; + + ret = efi_deserialize_load_option(&lo, load_option, &size); + if (ret != EFI_SUCCESS) { + free(load_option); + return ret; + } + + entry = calloc(1, sizeof(struct eficonfig_boot_order)); + if (!entry) { + free(load_option); + return EFI_OUT_OF_RESOURCES; + } + + entry->description = u16_strdup(lo.label); + if (!entry->description) { + free(load_option); + free(entry); + return EFI_OUT_OF_RESOURCES; + } + entry->num = efi_menu->count++; + entry->boot_index = boot_index; + entry->active = active; + list_add_tail(&entry->list, &efi_menu->list); + + free(load_option); + + return EFI_SUCCESS; +} + +/** + * eficonfig_create_change_boot_order_entry() - create boot order entry + * + * @efi_menu: pointer to the efimenu structure + * @bootorder: pointer to the BootOrder variable + * @num: number of BootOrder entry + * Return: status code + */ +static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi_menu, + u16 *bootorder, efi_uintn_t num) +{ + u32 i; + efi_status_t ret; + struct eficonfig_boot_order *entry; + + /* list the load option in the order of BootOrder variable */ + for (i = 0; i < num; i++) { + if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 2) + break; + + ret = eficonfig_add_change_boot_order_entry(efi_menu, bootorder[i], true); + if (ret != EFI_SUCCESS) + goto out; + } + + /* list the remaining load option not included in the BootOrder */ + for (i = 0; i < 0xFFFF; i++) { + if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 2) + break; + + /* If the index is included in the BootOrder, skip it */ + if (search_bootorder(bootorder, num, i, NULL)) + continue; + + ret = eficonfig_add_change_boot_order_entry(efi_menu, i, false); + if (ret != EFI_SUCCESS) + goto out; + } + + /* add "Save" and "Quit" entries */ + entry = calloc(1, sizeof(struct eficonfig_boot_order)); + if (!entry) + goto out; + + entry->num = efi_menu->count++; + entry->description = u16_strdup(u"Save"); + list_add_tail(&entry->list, &efi_menu->list); + + entry = calloc(1, sizeof(struct eficonfig_boot_order)); + if (!entry) + goto out; + + entry->num = efi_menu->count++; + entry->description = u16_strdup(u"Quit"); + list_add_tail(&entry->list, &efi_menu->list); + + efi_menu->active = 0; + + return EFI_SUCCESS; +out: + return EFI_OUT_OF_RESOURCES; +} + +/** + * eficonfig_process_change_boot_order() - handler to change boot order + * + * @data: pointer to the data for each entry + * Return: status code + */ +static efi_status_t eficonfig_process_change_boot_order(void *data) +{ + u32 count; + u16 *bootorder; + efi_status_t ret; + efi_uintn_t num, size; + struct list_head *pos, *n; + struct eficonfig_boot_order *entry; + struct efimenu *efi_menu; + + efi_menu = calloc(1, sizeof(struct efimenu)); + if (!efi_menu) + return EFI_OUT_OF_RESOURCES; + + bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size); + + INIT_LIST_HEAD(&efi_menu->list); + num = size / sizeof(u16); + ret = eficonfig_create_change_boot_order_entry(efi_menu, bootorder, num); + if (ret != EFI_SUCCESS) + goto out; + + while (1) { + eficonfig_display_change_boot_order(efi_menu); + + ret = eficonfig_choice_change_boot_order(efi_menu); + if (ret == EFI_SUCCESS) { + u16 *new_bootorder; + + new_bootorder = calloc(1, (efi_menu->count - 2) * sizeof(u16)); + if (!new_bootorder) { + ret = EFI_OUT_OF_RESOURCES; + goto out; + } + + /* create new BootOrder */ + count = 0; + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + if (entry->active) + new_bootorder[count++] = entry->boot_index; + } + + size = count * sizeof(u16); + ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid, + EFI_VARIABLE_NON_VOLATILE | + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS, + size, new_bootorder, false); + + free(new_bootorder); + goto out; + } else if (ret == EFI_NOT_READY) { + continue; + } else { + goto out; + } + } +out: + list_for_each_safe(pos, n, &efi_menu->list) { + entry = list_entry(pos, struct eficonfig_boot_order, list); + list_del(&entry->list); + free(entry->description); + free(entry); + } + + free(bootorder); + free(efi_menu); + + /* to stay the parent menu */ + ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret; + + return ret; +} + +/** * delete_boot_option() - delete selected boot option * * @boot_index: boot option index to delete @@ -2065,7 +2411,6 @@ out: return ret; } - /** * eficonfig_init() - do required initialization for eficonfig command * @@ -2096,6 +2441,7 @@ static efi_status_t eficonfig_init(void) static const struct eficonfig_item maintenance_menu_items[] = { {"Add Boot Option", eficonfig_process_add_boot_option}, {"Edit Boot Option", eficonfig_process_edit_boot_option}, + {"Change Boot Order", eficonfig_process_change_boot_order}, {"Delete Boot Option", eficonfig_process_delete_boot_option}, {"Quit", eficonfig_process_quit}, }; |