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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Menu-driven UEFI Variable maintenance
- *
- * Copyright (c) 2022 Masahisa Kojima, Linaro Limited
- */
- #include <ansi.h>
- #include <cli.h>
- #include <common.h>
- #include <charset.h>
- #include <efi_loader.h>
- #include <efi_load_initrd.h>
- #include <efi_config.h>
- #include <efi_variable.h>
- #include <log.h>
- #include <malloc.h>
- #include <menu.h>
- #include <sort.h>
- #include <watchdog.h>
- #include <asm/unaligned.h>
- #include <linux/delay.h>
- static struct efi_simple_text_input_protocol *cin;
- const char *eficonfig_menu_desc =
- " Press UP/DOWN to move, ENTER to select, ESC to quit";
- static const char *eficonfig_change_boot_order_desc =
- " Press UP/DOWN to move, +/- to change orde\n"
- " Press SPACE to activate or deactivate the entry\n"
- " CTRL+S to save, ESC to quit";
- static struct efi_simple_text_output_protocol *cout;
- static int avail_row;
- #define EFICONFIG_DESCRIPTION_MAX 32
- #define EFICONFIG_OPTIONAL_DATA_MAX 64
- #define EFICONFIG_MENU_HEADER_ROW_NUM 3
- #define EFICONFIG_MENU_DESC_ROW_NUM 5
- /**
- * struct eficonfig_filepath_info - structure to be used to store file path
- *
- * @name: file or directory name
- * @list: list structure
- */
- struct eficonfig_filepath_info {
- char *name;
- struct list_head list;
- };
- /**
- * struct eficonfig_boot_option - structure to be used for updating UEFI boot option
- *
- * @file_info: user selected file info
- * @initrd_info: user selected initrd file info
- * @boot_index: index of the boot option
- * @description: pointer to the description string
- * @optional_data: pointer to the optional_data
- * @edit_completed: flag indicates edit complete
- */
- struct eficonfig_boot_option {
- struct eficonfig_select_file_info file_info;
- struct eficonfig_select_file_info initrd_info;
- unsigned int boot_index;
- u16 *description;
- u16 *optional_data;
- bool edit_completed;
- };
- /**
- * struct eficonfig_volume_entry_data - structure to be used to store volume info
- *
- * @file_info: pointer to file info structure
- * @v: pointer to the protocol interface
- * @dp: pointer to the device path
- */
- struct eficonfig_volume_entry_data {
- struct eficonfig_select_file_info *file_info;
- struct efi_simple_file_system_protocol *v;
- struct efi_device_path *dp;
- };
- /**
- * struct eficonfig_file_entry_data - structure to be used to store file info
- *
- * @file_info: pointer to file info structure
- * @is_directory: flag to identify the directory or file
- * @file_name: name of directory or file
- */
- struct eficonfig_file_entry_data {
- struct eficonfig_select_file_info *file_info;
- bool is_directory;
- char *file_name;
- };
- /**
- * struct eficonfig_boot_selection_data - structure to be used to select the boot option entry
- *
- * @boot_index: index of the boot option
- * @selected: pointer to store the selected index in the BootOrder variable
- */
- struct eficonfig_boot_selection_data {
- u16 boot_index;
- int *selected;
- };
- /**
- * struct eficonfig_boot_order_data - structure to be used to update BootOrder variable
- *
- * @boot_index: boot option index
- * @active: flag to include the boot option into BootOrder variable
- */
- struct eficonfig_boot_order_data {
- u32 boot_index;
- bool active;
- };
- /**
- * struct eficonfig_save_boot_order_data - structure to be used to change boot order
- *
- * @efi_menu: pointer to efimenu structure
- * @selected: flag to indicate user selects "Save" entry
- */
- struct eficonfig_save_boot_order_data {
- struct efimenu *efi_menu;
- bool selected;
- };
- /**
- * struct eficonfig_menu_adjust - update start and end entry index
- *
- * @efi_menu: pointer to efimenu structure
- * @add: flag to add or substract the index
- */
- static void eficonfig_menu_adjust(struct efimenu *efi_menu, bool add)
- {
- if (add)
- ++efi_menu->active;
- else
- --efi_menu->active;
- if (add && efi_menu->end < efi_menu->active) {
- efi_menu->start++;
- efi_menu->end++;
- } else if (!add && efi_menu->start > efi_menu->active) {
- efi_menu->start--;
- efi_menu->end--;
- }
- }
- #define eficonfig_menu_up(_a) eficonfig_menu_adjust(_a, false)
- #define eficonfig_menu_down(_a) eficonfig_menu_adjust(_a, true)
- /**
- * eficonfig_print_msg() - print message
- *
- * display the message to the user, user proceeds the screen
- * with any key press.
- *
- * @items: pointer to the structure of each menu entry
- * @count: the number of menu entry
- * @menu_header: pointer to the menu header string
- * Return: status code
- */
- void eficonfig_print_msg(char *msg)
- {
- /* Flush input */
- while (tstc())
- getchar();
- printf(ANSI_CURSOR_HIDE
- ANSI_CLEAR_CONSOLE
- ANSI_CURSOR_POSITION
- "%s\n\n Press any key to continue", 3, 4, msg);
- getchar();
- }
- /**
- * eficonfig_print_entry() - print each menu entry
- *
- * @data: pointer to the data associated with each menu entry
- */
- void eficonfig_print_entry(void *data)
- {
- struct eficonfig_entry *entry = data;
- bool reverse = (entry->efi_menu->active == entry->num);
- if (entry->efi_menu->start > entry->num || entry->efi_menu->end < entry->num)
- return;
- printf(ANSI_CURSOR_POSITION, (entry->num - entry->efi_menu->start) +
- EFICONFIG_MENU_HEADER_ROW_NUM + 1, 7);
- if (reverse)
- puts(ANSI_COLOR_REVERSE);
- printf(ANSI_CLEAR_LINE "%s", entry->title);
- if (reverse)
- puts(ANSI_COLOR_RESET);
- }
- /**
- * eficonfig_display_statusline() - print status line
- *
- * @m: pointer to the menu structure
- */
- void eficonfig_display_statusline(struct menu *m)
- {
- struct eficonfig_entry *entry;
- if (menu_default_choice(m, (void *)&entry) < 0)
- return;
- printf(ANSI_CURSOR_POSITION
- "\n%s\n"
- ANSI_CURSOR_POSITION ANSI_CLEAR_LINE ANSI_CURSOR_POSITION
- "%s"
- ANSI_CLEAR_LINE_TO_END,
- 1, 1, entry->efi_menu->menu_header, avail_row + 4, 1,
- avail_row + 5, 1, entry->efi_menu->menu_desc);
- }
- /**
- * eficonfig_choice_entry() - user key input handler
- *
- * @data: pointer to the efimenu structure
- * Return: key string to identify the selected entry
- */
- char *eficonfig_choice_entry(void *data)
- {
- struct cli_ch_state s_cch, *cch = &s_cch;
- struct list_head *pos, *n;
- struct eficonfig_entry *entry;
- enum bootmenu_key key = BKEY_NONE;
- struct efimenu *efi_menu = data;
- cli_ch_init(cch);
- while (1) {
- key = bootmenu_loop((struct bootmenu_data *)efi_menu, cch);
- switch (key) {
- case BKEY_UP:
- if (efi_menu->active > 0)
- eficonfig_menu_up(efi_menu);
- /* no menu key selected, regenerate menu */
- return NULL;
- case BKEY_DOWN:
- if (efi_menu->active < efi_menu->count - 1)
- eficonfig_menu_down(efi_menu);
- /* no menu key selected, regenerate menu */
- return NULL;
- case BKEY_SELECT:
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active)
- return entry->key;
- }
- break;
- case BKEY_QUIT:
- /* Quit by choosing the last entry */
- entry = list_last_entry(&efi_menu->list, struct eficonfig_entry, list);
- return entry->key;
- default:
- /* Pressed key is not valid, no need to regenerate the menu */
- break;
- }
- }
- }
- /**
- * eficonfig_destroy() - destroy efimenu
- *
- * @efi_menu: pointer to the efimenu structure
- */
- void eficonfig_destroy(struct efimenu *efi_menu)
- {
- struct list_head *pos, *n;
- struct eficonfig_entry *entry;
- if (!efi_menu)
- return;
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- free(entry->title);
- list_del(&entry->list);
- free(entry);
- }
- free(efi_menu->menu_header);
- free(efi_menu);
- }
- /**
- * eficonfig_process_quit() - callback function for "Quit" entry
- *
- * @data: pointer to the data
- * Return: status code
- */
- efi_status_t eficonfig_process_quit(void *data)
- {
- return EFI_ABORTED;
- }
- /**
- * eficonfig_append_menu_entry() - append menu item
- *
- * @efi_menu: pointer to the efimenu structure
- * @title: pointer to the entry title
- * @func: callback of each entry
- * @data: pointer to the data to be passed to each entry callback
- * Return: status code
- */
- efi_status_t eficonfig_append_menu_entry(struct efimenu *efi_menu,
- char *title, eficonfig_entry_func func,
- void *data)
- {
- struct eficonfig_entry *entry;
- if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX)
- return EFI_OUT_OF_RESOURCES;
- entry = calloc(1, sizeof(struct eficonfig_entry));
- if (!entry)
- return EFI_OUT_OF_RESOURCES;
- entry->title = title;
- sprintf(entry->key, "%d", efi_menu->count);
- entry->efi_menu = efi_menu;
- entry->func = func;
- entry->data = data;
- entry->num = efi_menu->count++;
- list_add_tail(&entry->list, &efi_menu->list);
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_append_quit_entry() - append quit entry
- *
- * @efi_menu: pointer to the efimenu structure
- * Return: status code
- */
- efi_status_t eficonfig_append_quit_entry(struct efimenu *efi_menu)
- {
- char *title;
- efi_status_t ret;
- title = strdup("Quit");
- if (!title)
- return EFI_OUT_OF_RESOURCES;
- ret = eficonfig_append_menu_entry(efi_menu, title, eficonfig_process_quit, NULL);
- if (ret != EFI_SUCCESS)
- free(title);
- return ret;
- }
- /**
- * eficonfig_create_fixed_menu() - create fixed entry menu structure
- *
- * @items: pointer to the menu entry item
- * @count: the number of menu entry
- * Return: pointer to the efimenu structure
- */
- void *eficonfig_create_fixed_menu(const struct eficonfig_item *items, int count)
- {
- u32 i;
- char *title;
- efi_status_t ret;
- struct efimenu *efi_menu;
- const struct eficonfig_item *iter = items;
- efi_menu = calloc(1, sizeof(struct efimenu));
- if (!efi_menu)
- return NULL;
- INIT_LIST_HEAD(&efi_menu->list);
- for (i = 0; i < count; i++, iter++) {
- title = strdup(iter->title);
- if (!title)
- goto out;
- ret = eficonfig_append_menu_entry(efi_menu, title, iter->func, iter->data);
- if (ret != EFI_SUCCESS) {
- free(title);
- goto out;
- }
- }
- return efi_menu;
- out:
- eficonfig_destroy(efi_menu);
- return NULL;
- }
- /**
- * eficonfig_process_common() - main handler for UEFI menu
- *
- * Construct the structures required to show the menu, then handle
- * the user input interacting with u-boot menu functions.
- *
- * @efi_menu: pointer to the efimenu structure
- * @menu_header: pointer to the menu header string
- * @menu_desc: pointer to the menu description
- * @display_statusline: function pointer to draw statusline
- * @item_data_print: function pointer to draw the menu item
- * @item_choice: function pointer to handle the key press
- * Return: status code
- */
- efi_status_t eficonfig_process_common(struct efimenu *efi_menu,
- char *menu_header, const char *menu_desc,
- void (*display_statusline)(struct menu *),
- void (*item_data_print)(void *),
- char *(*item_choice)(void *))
- {
- struct menu *menu;
- void *choice = NULL;
- struct list_head *pos, *n;
- struct eficonfig_entry *entry;
- efi_status_t ret = EFI_SUCCESS;
- if (efi_menu->count > EFICONFIG_ENTRY_NUM_MAX)
- return EFI_OUT_OF_RESOURCES;
- efi_menu->delay = -1;
- efi_menu->active = 0;
- efi_menu->start = 0;
- efi_menu->end = avail_row - 1;
- if (menu_header) {
- efi_menu->menu_header = strdup(menu_header);
- if (!efi_menu->menu_header)
- return EFI_OUT_OF_RESOURCES;
- }
- if (menu_desc)
- efi_menu->menu_desc = menu_desc;
- menu = menu_create(NULL, 0, 1, display_statusline, item_data_print,
- item_choice, efi_menu);
- if (!menu)
- return EFI_INVALID_PARAMETER;
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (!menu_item_add(menu, entry->key, entry)) {
- ret = EFI_INVALID_PARAMETER;
- goto out;
- }
- }
- entry = list_first_entry_or_null(&efi_menu->list, struct eficonfig_entry, list);
- if (entry)
- menu_default_set(menu, entry->key);
- printf(ANSI_CURSOR_HIDE
- ANSI_CLEAR_CONSOLE
- ANSI_CURSOR_POSITION, 1, 1);
- if (menu_get_choice(menu, &choice)) {
- entry = choice;
- if (entry->func)
- ret = entry->func(entry->data);
- }
- out:
- menu_destroy(menu);
- printf(ANSI_CLEAR_CONSOLE
- ANSI_CURSOR_POSITION
- ANSI_CURSOR_SHOW, 1, 1);
- return ret;
- }
- /**
- * eficonfig_volume_selected() - handler of volume selection
- *
- * @data: pointer to the data of selected entry
- * Return: status code
- */
- static efi_status_t eficonfig_volume_selected(void *data)
- {
- struct eficonfig_volume_entry_data *info = data;
- if (info) {
- info->file_info->current_volume = info->v;
- info->file_info->dp_volume = info->dp;
- }
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_create_device_path() - create device path
- *
- * @dp_volume: pointer to the volume
- * @current_path: pointer to the file path u16 string
- * Return:
- * device path or NULL. Caller must free the returned value
- */
- struct efi_device_path *eficonfig_create_device_path(struct efi_device_path *dp_volume,
- u16 *current_path)
- {
- char *p;
- void *buf;
- efi_uintn_t fp_size;
- struct efi_device_path *dp;
- struct efi_device_path_file_path *fp;
- fp_size = sizeof(struct efi_device_path) + u16_strsize(current_path);
- buf = calloc(1, fp_size + sizeof(END));
- if (!buf)
- return NULL;
- fp = buf;
- fp->dp.type = DEVICE_PATH_TYPE_MEDIA_DEVICE,
- fp->dp.sub_type = DEVICE_PATH_SUB_TYPE_FILE_PATH,
- fp->dp.length = (u16)fp_size;
- u16_strcpy(fp->str, current_path);
- p = buf;
- p += fp_size;
- *((struct efi_device_path *)p) = END;
- dp = efi_dp_append(dp_volume, (struct efi_device_path *)buf);
- free(buf);
- return dp;
- }
- /**
- * eficonfig_file_selected() - handler of file selection
- *
- * @data: pointer to the data of selected entry
- * Return: status code
- */
- static efi_status_t eficonfig_file_selected(void *data)
- {
- u16 *tmp;
- struct eficonfig_file_entry_data *info = data;
- if (!info)
- return EFI_INVALID_PARAMETER;
- if (!strcmp(info->file_name, "..\\")) {
- struct eficonfig_filepath_info *iter;
- struct list_head *pos, *n;
- int is_last;
- char *filepath;
- tmp = info->file_info->current_path;
- memset(info->file_info->current_path, 0, EFICONFIG_FILE_PATH_BUF_SIZE);
- filepath = calloc(1, EFICONFIG_FILE_PATH_MAX);
- if (!filepath)
- return EFI_OUT_OF_RESOURCES;
- list_for_each_safe(pos, n, &info->file_info->filepath_list) {
- iter = list_entry(pos, struct eficonfig_filepath_info, list);
- is_last = list_is_last(&iter->list, &info->file_info->filepath_list);
- if (is_last) {
- list_del(&iter->list);
- free(iter->name);
- free(iter);
- break;
- }
- strlcat(filepath, iter->name, EFICONFIG_FILE_PATH_MAX);
- }
- utf8_utf16_strcpy(&tmp, filepath);
- } else {
- size_t new_len;
- struct eficonfig_filepath_info *filepath_info;
- new_len = u16_strlen(info->file_info->current_path) +
- strlen(info->file_name);
- if (new_len >= EFICONFIG_FILE_PATH_MAX) {
- eficonfig_print_msg("File path is too long!");
- return EFI_INVALID_PARAMETER;
- }
- tmp = &info->file_info->current_path[u16_strlen(info->file_info->current_path)];
- utf8_utf16_strcpy(&tmp, info->file_name);
- filepath_info = calloc(1, sizeof(struct eficonfig_filepath_info));
- if (!filepath_info)
- return EFI_OUT_OF_RESOURCES;
- filepath_info->name = strdup(info->file_name);
- if (!filepath_info->name) {
- free(filepath_info);
- return EFI_OUT_OF_RESOURCES;
- }
- list_add_tail(&filepath_info->list, &info->file_info->filepath_list);
- if (!info->is_directory)
- info->file_info->file_selected = true;
- }
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_select_volume() - construct the volume selection menu
- *
- * @file_info: pointer to the file selection structure
- * Return: status code
- */
- static efi_status_t eficonfig_select_volume(struct eficonfig_select_file_info *file_info)
- {
- u32 i;
- efi_status_t ret;
- efi_uintn_t count;
- struct efimenu *efi_menu;
- struct list_head *pos, *n;
- struct efi_handler *handler;
- struct eficonfig_entry *entry;
- struct efi_device_path *device_path;
- efi_handle_t *volume_handles = NULL;
- struct efi_simple_file_system_protocol *v;
- ret = efi_locate_handle_buffer_int(BY_PROTOCOL, &efi_simple_file_system_protocol_guid,
- NULL, &count, (efi_handle_t **)&volume_handles);
- if (ret != EFI_SUCCESS) {
- eficonfig_print_msg("No block device found!");
- return ret;
- }
- efi_menu = calloc(1, sizeof(struct efimenu));
- if (!efi_menu)
- return EFI_OUT_OF_RESOURCES;
- INIT_LIST_HEAD(&efi_menu->list);
- for (i = 0; i < count; i++) {
- char *devname;
- struct efi_block_io *block_io;
- struct eficonfig_volume_entry_data *info;
- if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 1)
- break;
- ret = efi_search_protocol(volume_handles[i],
- &efi_simple_file_system_protocol_guid, &handler);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_protocol_open(handler, (void **)&v, efi_root, NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_search_protocol(volume_handles[i], &efi_guid_device_path, &handler);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_protocol_open(handler, (void **)&device_path,
- efi_root, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_search_protocol(volume_handles[i], &efi_block_io_guid, &handler);
- if (ret != EFI_SUCCESS)
- continue;
- ret = efi_protocol_open(handler, (void **)&block_io,
- efi_root, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- continue;
- info = calloc(1, sizeof(struct eficonfig_volume_entry_data));
- if (!info) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- devname = calloc(1, BOOTMENU_DEVICE_NAME_MAX);
- if (!devname) {
- free(info);
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- ret = efi_disk_get_device_name(volume_handles[i], devname,
- BOOTMENU_DEVICE_NAME_MAX);
- if (ret != EFI_SUCCESS) {
- free(info);
- goto out;
- }
- info->v = v;
- info->dp = device_path;
- info->file_info = file_info;
- ret = eficonfig_append_menu_entry(efi_menu, devname, eficonfig_volume_selected,
- info);
- if (ret != EFI_SUCCESS) {
- free(info);
- goto out;
- }
- }
- ret = eficonfig_append_quit_entry(efi_menu);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = eficonfig_process_common(efi_menu, " ** Select Volume **",
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- out:
- efi_free_pool(volume_handles);
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- free(entry->data);
- }
- eficonfig_destroy(efi_menu);
- return ret;
- }
- /**
- * sort_file() - sort the file name in ascii order
- *
- * @data1: pointer to the file entry data
- * @data2: pointer to the file entry data
- * Return: -1 if the data1 file name is less than data2 file name,
- * 0 if both file name match,
- * 1 if the data1 file name is greater thant data2 file name.
- */
- static int sort_file(const void *arg1, const void *arg2)
- {
- const struct eficonfig_file_entry_data *data1, *data2;
- data1 = *((const struct eficonfig_file_entry_data **)arg1);
- data2 = *((const struct eficonfig_file_entry_data **)arg2);
- return strcasecmp(data1->file_name, data2->file_name);
- }
- /**
- * eficonfig_create_file_entry() - construct the file menu entry
- *
- * @efi_menu: pointer to the efimenu structure
- * @count: number of the directory and file
- * @tmp_infos: pointer to the entry data array
- * @f: pointer to the file handle
- * @buf: pointer to the buffer to store the directory information
- * @file_info: pointer to the file selection structure
- * Return: status code
- */
- static efi_status_t
- eficonfig_create_file_entry(struct efimenu *efi_menu, u32 count,
- struct eficonfig_file_entry_data **tmp_infos,
- struct efi_file_handle *f, struct efi_file_info *buf,
- struct eficonfig_select_file_info *file_info)
- {
- char *name, *p;
- efi_uintn_t len;
- efi_status_t ret;
- u32 i, entry_num = 0;
- struct eficonfig_file_entry_data *info;
- EFI_CALL(f->setpos(f, 0));
- /* Read directory and construct menu structure */
- for (i = 0; i < count; i++) {
- if (entry_num >= EFICONFIG_ENTRY_NUM_MAX - 1)
- break;
- len = sizeof(struct efi_file_info) + EFICONFIG_FILE_PATH_BUF_SIZE;
- ret = EFI_CALL(f->read(f, &len, buf));
- if (ret != EFI_SUCCESS || len == 0)
- break;
- info = calloc(1, sizeof(struct eficonfig_file_entry_data));
- if (!info) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- /* append '\\' at the end of directory name */
- name = calloc(1, utf16_utf8_strlen(buf->file_name) + 2);
- if (!name) {
- ret = EFI_OUT_OF_RESOURCES;
- free(info);
- goto out;
- }
- p = name;
- utf16_utf8_strcpy(&p, buf->file_name);
- if (buf->attribute & EFI_FILE_DIRECTORY) {
- /* filter out u'.' */
- if (!u16_strcmp(buf->file_name, u".")) {
- free(info);
- free(name);
- continue;
- }
- name[u16_strlen(buf->file_name)] = '\\';
- info->is_directory = true;
- }
- info->file_name = name;
- info->file_info = file_info;
- tmp_infos[entry_num++] = info;
- }
- qsort(tmp_infos, entry_num, sizeof(*tmp_infos),
- (int (*)(const void *, const void *))sort_file);
- for (i = 0; i < entry_num; i++) {
- ret = eficonfig_append_menu_entry(efi_menu, tmp_infos[i]->file_name,
- eficonfig_file_selected, tmp_infos[i]);
- if (ret != EFI_SUCCESS)
- goto out;
- }
- out:
- return ret;
- }
- /**
- * eficonfig_show_file_selection() - construct the file selection menu
- *
- * @file_info: pointer to the file selection structure
- * @root: pointer to the file handle
- * Return: status code
- */
- static efi_status_t eficonfig_show_file_selection(struct eficonfig_select_file_info *file_info,
- struct efi_file_handle *root)
- {
- u32 count = 0, i;
- efi_uintn_t len;
- efi_status_t ret;
- struct efimenu *efi_menu;
- struct efi_file_handle *f;
- struct efi_file_info *buf;
- struct eficonfig_file_entry_data **tmp_infos;
- buf = calloc(1, sizeof(struct efi_file_info) + EFICONFIG_FILE_PATH_BUF_SIZE);
- if (!buf)
- return EFI_OUT_OF_RESOURCES;
- while (!file_info->file_selected) {
- efi_menu = calloc(1, sizeof(struct efimenu));
- if (!efi_menu) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- INIT_LIST_HEAD(&efi_menu->list);
- ret = EFI_CALL(root->open(root, &f, file_info->current_path,
- EFI_FILE_MODE_READ, 0));
- if (ret != EFI_SUCCESS) {
- eficonfig_print_msg("Reading volume failed!");
- free(efi_menu);
- ret = EFI_ABORTED;
- goto out;
- }
- /* Count the number of directory entries */
- for (;;) {
- len = sizeof(struct efi_file_info) + EFICONFIG_FILE_PATH_BUF_SIZE;
- ret = EFI_CALL(f->read(f, &len, buf));
- if (ret != EFI_SUCCESS || len == 0)
- break;
- count++;
- }
- /* allocate array to sort the entry */
- tmp_infos = calloc(count, sizeof(*tmp_infos));
- if (!tmp_infos) {
- ret = EFI_OUT_OF_RESOURCES;
- goto err;
- }
- ret = eficonfig_create_file_entry(efi_menu, count, tmp_infos,
- f, buf, file_info);
- if (ret != EFI_SUCCESS)
- goto err;
- ret = eficonfig_append_quit_entry(efi_menu);
- if (ret != EFI_SUCCESS)
- goto err;
- ret = eficonfig_process_common(efi_menu, " ** Select File **",
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- err:
- EFI_CALL(f->close(f));
- eficonfig_destroy(efi_menu);
- if (tmp_infos) {
- for (i = 0; i < count; i++)
- free(tmp_infos[i]);
- }
- free(tmp_infos);
- if (ret != EFI_SUCCESS)
- break;
- }
- out:
- free(buf);
- return ret;
- }
- /**
- * handle_user_input() - handle user input
- *
- * @buf: pointer to the buffer
- * @buf_size: size of the buffer
- * @cursor_col: cursor column for user input
- * @msg: pointer to the string to display
- * Return: status code
- */
- static efi_status_t handle_user_input(u16 *buf, int buf_size,
- int cursor_col, char *msg)
- {
- u16 *tmp;
- efi_status_t ret;
- printf(ANSI_CLEAR_CONSOLE
- ANSI_CURSOR_POSITION
- "%s"
- ANSI_CURSOR_POSITION
- " Press ENTER to complete, ESC to quit",
- 0, 1, msg, 8, 1);
- /* tmp is used to accept user cancel */
- tmp = calloc(1, buf_size * sizeof(u16));
- if (!tmp)
- return EFI_OUT_OF_RESOURCES;
- ret = efi_console_get_u16_string(cin, tmp, buf_size, NULL, 4, cursor_col);
- if (ret == EFI_SUCCESS)
- u16_strcpy(buf, tmp);
- free(tmp);
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret;
- return ret;
- }
- /**
- * eficonfig_boot_add_enter_description() - handle user input for description
- *
- * @data: pointer to the internal boot option structure
- * Return: status code
- */
- static efi_status_t eficonfig_boot_add_enter_description(void *data)
- {
- struct eficonfig_boot_option *bo = data;
- return handle_user_input(bo->description, EFICONFIG_DESCRIPTION_MAX, 22,
- "\n ** Edit Description **\n"
- "\n"
- " enter description: ");
- }
- /**
- * eficonfig_boot_add_optional_data() - handle user input for optional data
- *
- * @data: pointer to the internal boot option structure
- * Return: status code
- */
- static efi_status_t eficonfig_boot_add_optional_data(void *data)
- {
- struct eficonfig_boot_option *bo = data;
- return handle_user_input(bo->optional_data, EFICONFIG_OPTIONAL_DATA_MAX, 24,
- "\n ** Edit Optional Data **\n"
- "\n"
- " enter optional data:");
- }
- /**
- * eficonfig_boot_edit_save() - handler to save the boot option
- *
- * @data: pointer to the internal boot option structure
- * Return: status code
- */
- static efi_status_t eficonfig_boot_edit_save(void *data)
- {
- struct eficonfig_boot_option *bo = data;
- if (u16_strlen(bo->description) == 0) {
- eficonfig_print_msg("Boot Description is empty!");
- bo->edit_completed = false;
- return EFI_NOT_READY;
- }
- if (u16_strlen(bo->file_info.current_path) == 0) {
- eficonfig_print_msg("File is not selected!");
- bo->edit_completed = false;
- return EFI_NOT_READY;
- }
- bo->edit_completed = true;
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_process_clear_file_selection() - callback function for "Clear" entry
- *
- * @data: pointer to the data
- * Return: status code
- */
- efi_status_t eficonfig_process_clear_file_selection(void *data)
- {
- struct eficonfig_select_file_info *file_info = data;
- /* clear the existing file information */
- file_info->current_volume = NULL;
- file_info->current_path[0] = u'\0';
- file_info->dp_volume = NULL;
- return EFI_ABORTED;
- }
- static struct eficonfig_item select_file_menu_items[] = {
- {"Select File", eficonfig_process_select_file},
- {"Clear", eficonfig_process_clear_file_selection},
- {"Quit", eficonfig_process_quit},
- };
- /**
- * eficonfig_process_show_file_option() - display select file option
- *
- * @file_info: pointer to the file information structure
- * Return: status code
- */
- efi_status_t eficonfig_process_show_file_option(void *data)
- {
- efi_status_t ret;
- struct efimenu *efi_menu;
- select_file_menu_items[0].data = data;
- select_file_menu_items[1].data = data;
- efi_menu = eficonfig_create_fixed_menu(select_file_menu_items,
- ARRAY_SIZE(select_file_menu_items));
- if (!efi_menu)
- return EFI_OUT_OF_RESOURCES;
- ret = eficonfig_process_common(efi_menu, " ** Update File **",
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- if (ret != EFI_SUCCESS) /* User selects "Clear" or "Quit" */
- ret = EFI_NOT_READY;
- eficonfig_destroy(efi_menu);
- return ret;
- }
- /**
- * eficonfig_process_select_file() - handle user file selection
- *
- * @data: pointer to the data
- * Return: status code
- */
- efi_status_t eficonfig_process_select_file(void *data)
- {
- size_t len;
- efi_status_t ret;
- struct list_head *pos, *n;
- struct efi_file_handle *root;
- struct eficonfig_filepath_info *item;
- struct eficonfig_select_file_info *tmp = NULL;
- struct eficonfig_select_file_info *file_info = data;
- tmp = calloc(1, sizeof(struct eficonfig_select_file_info));
- if (!tmp)
- return EFI_OUT_OF_RESOURCES;
- tmp->current_path = calloc(1, EFICONFIG_FILE_PATH_BUF_SIZE);
- if (!tmp->current_path) {
- free(tmp);
- return EFI_OUT_OF_RESOURCES;
- }
- INIT_LIST_HEAD(&tmp->filepath_list);
- while (!tmp->file_selected) {
- tmp->current_volume = NULL;
- memset(tmp->current_path, 0, EFICONFIG_FILE_PATH_BUF_SIZE);
- ret = eficonfig_select_volume(tmp);
- if (ret != EFI_SUCCESS)
- goto out;
- if (!tmp->current_volume)
- return EFI_INVALID_PARAMETER;
- ret = EFI_CALL(tmp->current_volume->open_volume(tmp->current_volume, &root));
- if (ret != EFI_SUCCESS)
- goto out;
- ret = eficonfig_show_file_selection(tmp, root);
- if (ret == EFI_ABORTED)
- continue;
- if (ret != EFI_SUCCESS)
- goto out;
- }
- out:
- if (ret == EFI_SUCCESS) {
- len = u16_strlen(tmp->current_path);
- len = (len >= EFICONFIG_FILE_PATH_MAX) ? (EFICONFIG_FILE_PATH_MAX - 1) : len;
- memcpy(file_info->current_path, tmp->current_path, len * sizeof(u16));
- file_info->current_path[len] = u'\0';
- file_info->current_volume = tmp->current_volume;
- file_info->dp_volume = tmp->dp_volume;
- }
- list_for_each_safe(pos, n, &tmp->filepath_list) {
- item = list_entry(pos, struct eficonfig_filepath_info, list);
- list_del(&item->list);
- free(item->name);
- free(item);
- }
- free(tmp->current_path);
- free(tmp);
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret;
- return ret;
- }
- /**
- * eficonfig_set_boot_option() - set boot option
- *
- * @varname: pointer to variable name
- * @dp: pointer to device path
- * @label: pointer to label string
- * @optional_data: pointer to optional data
- * Return: status code
- */
- static efi_status_t eficonfig_set_boot_option(u16 *varname, struct efi_device_path *dp,
- efi_uintn_t dp_size, u16 *label, char *optional_data)
- {
- void *p = NULL;
- efi_status_t ret;
- efi_uintn_t size;
- struct efi_load_option lo;
- lo.file_path = dp;
- lo.file_path_length = dp_size;
- lo.attributes = LOAD_OPTION_ACTIVE;
- lo.optional_data = optional_data;
- lo.label = label;
- size = efi_serialize_load_option(&lo, (u8 **)&p);
- if (!size)
- return EFI_INVALID_PARAMETER;
- ret = efi_set_variable_int(varname, &efi_global_variable_guid,
- EFI_VARIABLE_NON_VOLATILE |
- EFI_VARIABLE_BOOTSERVICE_ACCESS |
- EFI_VARIABLE_RUNTIME_ACCESS,
- size, p, false);
- free(p);
- return ret;
- }
- /**
- * create_boot_option_entry() - create boot option entry
- *
- * @efi_menu: pointer to the efimenu structure
- * @title: pointer to the entry title
- * @val: pointer to boot option label
- * @func: callback of each entry
- * @data: pointer to the data to be passed to each entry callback
- * Return: status code
- */
- static efi_status_t create_boot_option_entry(struct efimenu *efi_menu, char *title, u16 *val,
- eficonfig_entry_func func, void *data)
- {
- u32 len;
- char *p, *buf;
- len = strlen(title) + 1;
- if (val)
- len += utf16_utf8_strlen(val);
- buf = calloc(1, len);
- if (!buf)
- return EFI_OUT_OF_RESOURCES;
- strcpy(buf, title);
- if (val) {
- p = buf + strlen(title);
- utf16_utf8_strcpy(&p, val);
- }
- return eficonfig_append_menu_entry(efi_menu, buf, func, data);
- }
- /**
- * prepare_file_selection_entry() - prepare file selection entry
- *
- * @efi_menu: pointer to the efimenu structure
- * @title: pointer to the title string
- * @file_info: pointer to the file info
- * Return: status code
- */
- static efi_status_t prepare_file_selection_entry(struct efimenu *efi_menu, char *title,
- struct eficonfig_select_file_info *file_info)
- {
- u32 len;
- efi_status_t ret;
- u16 *file_name = NULL, *p;
- efi_handle_t handle;
- char *devname;
- devname = calloc(1, EFICONFIG_VOLUME_PATH_MAX + 1);
- if (!devname)
- return EFI_OUT_OF_RESOURCES;
- /* get the device name only when the user already selected the file path */
- handle = efi_dp_find_obj(file_info->dp_volume, NULL, NULL);
- if (handle) {
- ret = efi_disk_get_device_name(handle, devname, EFICONFIG_VOLUME_PATH_MAX);
- if (ret != EFI_SUCCESS)
- goto out;
- }
- /*
- * If the preconfigured volume does not exist in the system, display the text
- * converted volume device path instead of U-Boot friendly name(e.g. "usb 0:1").
- */
- if (!handle && file_info->dp_volume) {
- u16 *dp_str;
- char *q = devname;
- dp_str = efi_dp_str(file_info->dp_volume);
- if (dp_str)
- utf16_utf8_strncpy(&q, dp_str, EFICONFIG_VOLUME_PATH_MAX);
- efi_free_pool(dp_str);
- }
- /* append u'/' to devname, it is just for display purpose. */
- if (file_info->current_path[0] != u'\0' && file_info->current_path[0] != u'/')
- strlcat(devname, "/", EFICONFIG_VOLUME_PATH_MAX + 1);
- len = strlen(devname);
- len += utf16_utf8_strlen(file_info->current_path) + 1;
- file_name = calloc(1, len * sizeof(u16));
- if (!file_name) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- p = file_name;
- utf8_utf16_strcpy(&p, devname);
- u16_strlcat(file_name, file_info->current_path, len);
- ret = create_boot_option_entry(efi_menu, title, file_name,
- eficonfig_process_show_file_option, file_info);
- out:
- free(devname);
- free(file_name);
- return ret;
- }
- /**
- * eficonfig_show_boot_option() - prepare menu entry for editing boot option
- *
- * Construct the structures to create edit boot option menu
- *
- * @bo: pointer to the boot option
- * @header_str: pointer to the header string
- * Return: status code
- */
- static efi_status_t eficonfig_show_boot_option(struct eficonfig_boot_option *bo,
- char *header_str)
- {
- efi_status_t ret;
- struct efimenu *efi_menu;
- efi_menu = calloc(1, sizeof(struct efimenu));
- if (!efi_menu)
- return EFI_OUT_OF_RESOURCES;
- INIT_LIST_HEAD(&efi_menu->list);
- ret = create_boot_option_entry(efi_menu, "Description: ", bo->description,
- eficonfig_boot_add_enter_description, bo);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = prepare_file_selection_entry(efi_menu, "File: ", &bo->file_info);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = prepare_file_selection_entry(efi_menu, "Initrd File: ", &bo->initrd_info);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = create_boot_option_entry(efi_menu, "Optional Data: ", bo->optional_data,
- eficonfig_boot_add_optional_data, bo);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = create_boot_option_entry(efi_menu, "Save", NULL,
- eficonfig_boot_edit_save, bo);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = create_boot_option_entry(efi_menu, "Quit", NULL,
- eficonfig_process_quit, NULL);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = eficonfig_process_common(efi_menu, header_str,
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- out:
- eficonfig_destroy(efi_menu);
- return ret;
- }
- /**
- * fill_file_info() - fill the file info from efi_device_path structure
- *
- * @dp: pointer to the device path
- * @file_info: pointer to the file info structure
- * @device_dp: pointer to the volume device path
- */
- static void fill_file_info(struct efi_device_path *dp,
- struct eficonfig_select_file_info *file_info,
- struct efi_device_path *device_dp)
- {
- u16 *file_str, *p;
- struct efi_device_path *file_dp = NULL;
- efi_dp_split_file_path(dp, &device_dp, &file_dp);
- file_info->dp_volume = device_dp;
- if (file_dp) {
- file_str = efi_dp_str(file_dp);
- /*
- * efi_convert_device_path_to_text() automatically adds u'/' at the
- * beginning of file name, remove u'/' before copying to current_path
- */
- p = file_str;
- if (p[0] == u'/')
- p++;
- u16_strcpy(file_info->current_path, p);
- efi_free_pool(file_dp);
- efi_free_pool(file_str);
- }
- }
- /**
- * eficonfig_edit_boot_option() - prepare boot option structure for editing
- *
- * Construct the boot option structure and copy the existing value
- *
- * @varname: pointer to the UEFI variable name
- * @bo: pointer to the boot option
- * @load_option: pointer to the load option
- * @load_option_size: size of the load option
- * @header_str: pointer to the header string
- * Return : status code
- */
- static efi_status_t eficonfig_edit_boot_option(u16 *varname, struct eficonfig_boot_option *bo,
- void *load_option, efi_uintn_t load_option_size,
- char *header_str)
- {
- size_t len;
- efi_status_t ret;
- char *tmp = NULL, *p;
- struct efi_load_option lo = {0};
- efi_uintn_t final_dp_size;
- struct efi_device_path *dp = NULL;
- efi_uintn_t size = load_option_size;
- struct efi_device_path *final_dp = NULL;
- struct efi_device_path *device_dp = NULL;
- struct efi_device_path *initrd_dp = NULL;
- struct efi_device_path *initrd_device_dp = NULL;
- const struct efi_initrd_dp id_dp = {
- .vendor = {
- {
- DEVICE_PATH_TYPE_MEDIA_DEVICE,
- DEVICE_PATH_SUB_TYPE_VENDOR_PATH,
- sizeof(id_dp.vendor),
- },
- EFI_INITRD_MEDIA_GUID,
- },
- .end = {
- DEVICE_PATH_TYPE_END,
- DEVICE_PATH_SUB_TYPE_END,
- sizeof(id_dp.end),
- }
- };
- bo->file_info.current_path = calloc(1, EFICONFIG_FILE_PATH_BUF_SIZE);
- if (!bo->file_info.current_path) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- bo->initrd_info.current_path = calloc(1, EFICONFIG_FILE_PATH_BUF_SIZE);
- if (!bo->file_info.current_path) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- bo->description = calloc(1, EFICONFIG_DESCRIPTION_MAX * sizeof(u16));
- if (!bo->description) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- bo->optional_data = calloc(1, EFICONFIG_OPTIONAL_DATA_MAX * sizeof(u16));
- if (!bo->optional_data) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- /* copy the preset value */
- if (load_option) {
- ret = efi_deserialize_load_option(&lo, load_option, &size);
- if (ret != EFI_SUCCESS)
- goto out;
- if (!lo.label) {
- ret = EFI_INVALID_PARAMETER;
- goto out;
- }
- /* truncate the long label string */
- if (u16_strlen(lo.label) >= EFICONFIG_DESCRIPTION_MAX)
- lo.label[EFICONFIG_DESCRIPTION_MAX - 1] = u'\0';
- u16_strcpy(bo->description, lo.label);
- /* EFI image file path is a first instance */
- if (lo.file_path)
- fill_file_info(lo.file_path, &bo->file_info, device_dp);
- /* Initrd file path(optional) is placed at second instance. */
- initrd_dp = efi_dp_from_lo(&lo, &efi_lf2_initrd_guid);
- if (initrd_dp) {
- fill_file_info(initrd_dp, &bo->initrd_info, initrd_device_dp);
- efi_free_pool(initrd_dp);
- }
- if (size > 0)
- memcpy(bo->optional_data, lo.optional_data, size);
- }
- while (1) {
- ret = eficonfig_show_boot_option(bo, header_str);
- if (ret == EFI_SUCCESS && bo->edit_completed)
- break;
- if (ret == EFI_NOT_READY)
- continue;
- if (ret != EFI_SUCCESS)
- goto out;
- }
- if (bo->initrd_info.dp_volume) {
- dp = eficonfig_create_device_path(bo->initrd_info.dp_volume,
- bo->initrd_info.current_path);
- if (!dp) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- initrd_dp = efi_dp_append((const struct efi_device_path *)&id_dp, dp);
- efi_free_pool(dp);
- }
- dp = eficonfig_create_device_path(bo->file_info.dp_volume, bo->file_info.current_path);
- if (!dp) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- final_dp_size = efi_dp_size(dp) + sizeof(END);
- if (initrd_dp) {
- final_dp = efi_dp_concat(dp, initrd_dp);
- final_dp_size += efi_dp_size(initrd_dp) + sizeof(END);
- } else {
- final_dp = efi_dp_dup(dp);
- }
- efi_free_pool(dp);
- if (!final_dp)
- goto out;
- if (utf16_utf8_strlen(bo->optional_data)) {
- len = utf16_utf8_strlen(bo->optional_data) + 1;
- tmp = calloc(1, len);
- if (!tmp)
- goto out;
- p = tmp;
- utf16_utf8_strncpy(&p, bo->optional_data, u16_strlen(bo->optional_data));
- }
- ret = eficonfig_set_boot_option(varname, final_dp, final_dp_size, bo->description, tmp);
- out:
- free(tmp);
- free(bo->optional_data);
- free(bo->description);
- free(bo->file_info.current_path);
- free(bo->initrd_info.current_path);
- efi_free_pool(device_dp);
- efi_free_pool(initrd_device_dp);
- efi_free_pool(initrd_dp);
- efi_free_pool(final_dp);
- return ret;
- }
- /**
- * eficonfig_process_add_boot_option() - handler to add boot option
- *
- * @data: pointer to the data for each entry
- * Return: status code
- */
- static efi_status_t eficonfig_process_add_boot_option(void *data)
- {
- u16 varname[9];
- efi_status_t ret;
- struct eficonfig_boot_option *bo = NULL;
- bo = calloc(1, sizeof(struct eficonfig_boot_option));
- if (!bo)
- return EFI_OUT_OF_RESOURCES;
- ret = efi_bootmgr_get_unused_bootoption(varname, sizeof(varname), &bo->boot_index);
- if (ret != EFI_SUCCESS)
- return ret;
- ret = eficonfig_edit_boot_option(varname, bo, NULL, 0, " ** Add Boot Option ** ");
- if (ret != EFI_SUCCESS)
- goto out;
- ret = efi_bootmgr_append_bootorder((u16)bo->boot_index);
- if (ret != EFI_SUCCESS)
- goto out;
- out:
- free(bo);
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_SUCCESS : ret;
- return ret;
- }
- /**
- * eficonfig_process_boot_selected() - handler to select boot option entry
- *
- * @data: pointer to the data for each entry
- * Return: status code
- */
- static efi_status_t eficonfig_process_boot_selected(void *data)
- {
- struct eficonfig_boot_selection_data *info = data;
- if (info)
- *info->selected = info->boot_index;
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_add_boot_selection_entry() - add boot option menu entry
- *
- * @efi_menu: pointer to store the efimenu structure
- * @boot_index: boot option index to be added
- * @selected: pointer to store the selected boot option index
- * Return: status code
- */
- static efi_status_t eficonfig_add_boot_selection_entry(struct efimenu *efi_menu,
- unsigned int boot_index,
- unsigned int *selected)
- {
- char *buf, *p;
- efi_status_t ret;
- efi_uintn_t size;
- void *load_option;
- struct efi_load_option lo;
- u16 varname[] = u"Boot####";
- struct eficonfig_boot_selection_data *info;
- 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) {
- log_warning("Invalid load option for %ls\n", varname);
- free(load_option);
- return ret;
- }
- if (size >= sizeof(efi_guid_t) &&
- !guidcmp(lo.optional_data, &efi_guid_bootmenu_auto_generated)) {
- /*
- * auto generated entry has GUID in optional_data,
- * skip auto generated entry because it will be generated
- * again even if it is edited or deleted.
- */
- free(load_option);
- return EFI_SUCCESS;
- }
- info = calloc(1, sizeof(struct eficonfig_boot_selection_data));
- if (!info) {
- free(load_option);
- return EFI_OUT_OF_RESOURCES;
- }
- buf = calloc(1, utf16_utf8_strlen(lo.label) + 1);
- if (!buf) {
- free(load_option);
- free(info);
- return EFI_OUT_OF_RESOURCES;
- }
- p = buf;
- utf16_utf8_strcpy(&p, lo.label);
- info->boot_index = boot_index;
- info->selected = selected;
- ret = eficonfig_append_menu_entry(efi_menu, buf, eficonfig_process_boot_selected, info);
- if (ret != EFI_SUCCESS) {
- free(load_option);
- free(info);
- return ret;
- }
- free(load_option);
- return EFI_SUCCESS;
- }
- /**
- * eficonfig_show_boot_selection() - construct boot option menu entry
- *
- * @selected: pointer to store the selected boot option index
- * Return: status code
- */
- static efi_status_t eficonfig_show_boot_selection(unsigned int *selected)
- {
- u32 i;
- u16 *bootorder;
- efi_status_t ret;
- u16 *var_name16 = NULL;
- efi_uintn_t num, size, buf_size;
- struct efimenu *efi_menu;
- struct list_head *pos, *n;
- struct eficonfig_entry *entry;
- 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);
- /* list the load option in the order of BootOrder variable */
- for (i = 0; i < num; i++) {
- ret = eficonfig_add_boot_selection_entry(efi_menu, bootorder[i], selected);
- if (ret != EFI_SUCCESS)
- goto out;
- if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 1)
- break;
- }
- /* list the remaining load option not included in the BootOrder */
- buf_size = 128;
- var_name16 = malloc(buf_size);
- if (!var_name16)
- return EFI_OUT_OF_RESOURCES;
- var_name16[0] = 0;
- for (;;) {
- int index;
- efi_guid_t guid;
- ret = efi_next_variable_name(&buf_size, &var_name16, &guid);
- if (ret == EFI_NOT_FOUND)
- break;
- if (ret != EFI_SUCCESS)
- goto out;
- if (efi_varname_is_load_option(var_name16, &index)) {
- /* If the index is included in the BootOrder, skip it */
- if (efi_search_bootorder(bootorder, num, index, NULL))
- continue;
- ret = eficonfig_add_boot_selection_entry(efi_menu, index, selected);
- if (ret != EFI_SUCCESS)
- goto out;
- }
- if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 1)
- break;
- }
- ret = eficonfig_append_quit_entry(efi_menu);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = eficonfig_process_common(efi_menu, " ** Select Boot Option **",
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- out:
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- free(entry->data);
- }
- eficonfig_destroy(efi_menu);
- free(var_name16);
- return ret;
- }
- /**
- * eficonfig_process_edit_boot_option() - handler to edit boot option
- *
- * @data: pointer to the data for each entry
- * Return: status code
- */
- static efi_status_t eficonfig_process_edit_boot_option(void *data)
- {
- efi_status_t ret;
- efi_uintn_t size;
- struct eficonfig_boot_option *bo = NULL;
- while (1) {
- unsigned int selected;
- void *load_option;
- u16 varname[] = u"Boot####";
- ret = eficonfig_show_boot_selection(&selected);
- if (ret != EFI_SUCCESS)
- break;
- bo = calloc(1, sizeof(struct eficonfig_boot_option));
- if (!bo) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- bo->boot_index = selected;
- efi_create_indexed_name(varname, sizeof(varname), "Boot", selected);
- load_option = efi_get_var(varname, &efi_global_variable_guid, &size);
- if (!load_option) {
- free(bo);
- ret = EFI_NOT_FOUND;
- goto out;
- }
- ret = eficonfig_edit_boot_option(varname, bo, load_option, size,
- " ** Edit Boot Option ** ");
- free(load_option);
- free(bo);
- if (ret != EFI_SUCCESS && ret != EFI_ABORTED)
- break;
- }
- out:
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret;
- return ret;
- }
- /**
- * eficonfig_print_change_boot_order_entry() - print the boot option entry
- *
- * @data: pointer to the data associated with each menu entry
- */
- static void eficonfig_print_change_boot_order_entry(void *data)
- {
- struct eficonfig_entry *entry = data;
- bool reverse = (entry->efi_menu->active == entry->num);
- if (entry->efi_menu->start > entry->num || entry->efi_menu->end < entry->num)
- return;
- printf(ANSI_CURSOR_POSITION ANSI_CLEAR_LINE,
- (entry->num - entry->efi_menu->start) + EFICONFIG_MENU_HEADER_ROW_NUM + 1, 7);
- if (reverse)
- puts(ANSI_COLOR_REVERSE);
- if (entry->num < entry->efi_menu->count - 2) {
- if (((struct eficonfig_boot_order_data *)entry->data)->active)
- printf("[*] ");
- else
- printf("[ ] ");
- }
- printf("%s", entry->title);
- if (reverse)
- puts(ANSI_COLOR_RESET);
- }
- /**
- * eficonfig_choice_change_boot_order() - user key input handler
- *
- * @data: pointer to the menu entry
- * Return: key string to identify the selected entry
- */
- char *eficonfig_choice_change_boot_order(void *data)
- {
- struct cli_ch_state s_cch, *cch = &s_cch;
- struct list_head *pos, *n;
- struct efimenu *efi_menu = data;
- enum bootmenu_key key = BKEY_NONE;
- struct eficonfig_entry *entry, *tmp;
- cli_ch_init(cch);
- while (1) {
- key = bootmenu_loop(NULL, cch);
- switch (key) {
- case BKEY_PLUS:
- if (efi_menu->active > 0 &&
- efi_menu->active < efi_menu->count - 2) {
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active)
- break;
- }
- tmp = list_entry(pos->prev, struct eficonfig_entry, list);
- entry->num--;
- tmp->num++;
- list_del(&tmp->list);
- list_add(&tmp->list, &entry->list);
- eficonfig_menu_up(efi_menu);
- }
- return NULL;
- case BKEY_UP:
- if (efi_menu->active > 0)
- eficonfig_menu_up(efi_menu);
- return NULL;
- case BKEY_MINUS:
- if (efi_menu->active < efi_menu->count - 3) {
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active)
- break;
- }
- tmp = list_entry(pos->next, struct eficonfig_entry, list);
- entry->num++;
- tmp->num--;
- list_del(&entry->list);
- list_add(&entry->list, &tmp->list);
- eficonfig_menu_down(efi_menu);
- }
- return NULL;
- case BKEY_DOWN:
- if (efi_menu->active < efi_menu->count - 1)
- eficonfig_menu_down(efi_menu);
- return NULL;
- case BKEY_SAVE:
- /* force to select "Save" entry */
- efi_menu->active = efi_menu->count - 2;
- fallthrough;
- case BKEY_SELECT:
- /* "Save" */
- if (efi_menu->active == efi_menu->count - 2) {
- list_for_each_prev_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active)
- break;
- }
- return entry->key;
- }
- /* "Quit" */
- if (efi_menu->active == efi_menu->count - 1) {
- entry = list_last_entry(&efi_menu->list,
- struct eficonfig_entry,
- list);
- return entry->key;
- }
- /* Pressed key is not valid, wait next key press */
- break;
- case BKEY_SPACE:
- if (efi_menu->active < efi_menu->count - 2) {
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active) {
- struct eficonfig_boot_order_data *data = entry->data;
- data->active = !data->active;
- return NULL;
- }
- }
- }
- /* Pressed key is not valid, wait next key press */
- break;
- case BKEY_QUIT:
- entry = list_last_entry(&efi_menu->list,
- struct eficonfig_entry, list);
- return entry->key;
- default:
- /* Pressed key is not valid, wait next key press */
- break;
- }
- }
- }
- /**
- * eficonfig_process_save_boot_order() - callback function for "Save" entry
- *
- * @data: pointer to the data
- * Return: status code
- */
- static efi_status_t eficonfig_process_save_boot_order(void *data)
- {
- u32 count = 0;
- efi_status_t ret;
- efi_uintn_t size;
- struct list_head *pos, *n;
- u16 *new_bootorder;
- struct efimenu *efi_menu;
- struct eficonfig_entry *entry;
- struct eficonfig_save_boot_order_data *save_data = data;
- efi_menu = save_data->efi_menu;
- /*
- * The change boot order menu always has "Save" and "Quit" entries.
- * !(efi_menu->count - 2) means there is no user defined boot option.
- */
- if (!(efi_menu->count - 2))
- return EFI_SUCCESS;
- 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) {
- struct eficonfig_boot_order_data *data;
- entry = list_entry(pos, struct eficonfig_entry, list);
- /* exit the loop when iteration reaches "Save" */
- if (!strncmp(entry->title, "Save", strlen("Save")))
- break;
- data = entry->data;
- if (data->active)
- new_bootorder[count++] = data->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);
- save_data->selected = true;
- out:
- free(new_bootorder);
- return ret;
- }
- /**
- * 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)
- {
- char *title, *p;
- efi_status_t ret;
- efi_uintn_t size;
- void *load_option;
- struct efi_load_option lo;
- u16 varname[] = u"Boot####";
- struct eficonfig_boot_order_data *data;
- 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)
- goto out;
- data = calloc(1, sizeof(*data));
- if (!data) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- title = calloc(1, utf16_utf8_strlen(lo.label) + 1);
- if (!title) {
- free(data);
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- p = title;
- utf16_utf8_strcpy(&p, lo.label);
- data->boot_index = boot_index;
- data->active = active;
- ret = eficonfig_append_menu_entry(efi_menu, title, NULL, data);
- if (ret != EFI_SUCCESS) {
- free(data);
- free(title);
- goto out;
- }
- out:
- free(load_option);
- return ret;
- }
- /**
- * 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;
- char *title;
- efi_status_t ret;
- u16 *var_name16 = NULL;
- efi_uintn_t size, buf_size;
- struct eficonfig_save_boot_order_data *save_data;
- /* 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 */
- buf_size = 128;
- var_name16 = malloc(buf_size);
- if (!var_name16)
- return EFI_OUT_OF_RESOURCES;
- var_name16[0] = 0;
- for (;;) {
- int index;
- efi_guid_t guid;
- if (efi_menu->count >= EFICONFIG_ENTRY_NUM_MAX - 2)
- break;
- size = buf_size;
- ret = efi_next_variable_name(&buf_size, &var_name16, &guid);
- if (ret == EFI_NOT_FOUND)
- break;
- if (ret != EFI_SUCCESS)
- goto out;
- if (efi_varname_is_load_option(var_name16, &index)) {
- /* If the index is included in the BootOrder, skip it */
- if (efi_search_bootorder(bootorder, num, index, NULL))
- continue;
- ret = eficonfig_add_change_boot_order_entry(efi_menu, index, false);
- if (ret != EFI_SUCCESS)
- goto out;
- }
- }
- /* add "Save" and "Quit" entries */
- title = strdup("Save");
- if (!title) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- save_data = malloc(sizeof(struct eficonfig_save_boot_order_data));
- if (!save_data) {
- ret = EFI_OUT_OF_RESOURCES;
- goto out;
- }
- save_data->efi_menu = efi_menu;
- save_data->selected = false;
- ret = eficonfig_append_menu_entry(efi_menu, title,
- eficonfig_process_save_boot_order,
- save_data);
- if (ret != EFI_SUCCESS)
- goto out;
- ret = eficonfig_append_quit_entry(efi_menu);
- if (ret != EFI_SUCCESS)
- goto out;
- efi_menu->active = 0;
- out:
- free(var_name16);
- return ret;
- }
- /**
- * 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)
- {
- u16 *bootorder;
- efi_status_t ret;
- efi_uintn_t num, size;
- struct list_head *pos, *n;
- struct eficonfig_entry *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) {
- ret = eficonfig_process_common(efi_menu,
- " ** Change Boot Order **",
- eficonfig_change_boot_order_desc,
- eficonfig_display_statusline,
- eficonfig_print_change_boot_order_entry,
- eficonfig_choice_change_boot_order);
- /* exit from the menu if user selects the "Save" entry. */
- if (ret == EFI_SUCCESS && efi_menu->active == (efi_menu->count - 2)) {
- list_for_each_prev_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- if (entry->num == efi_menu->active)
- break;
- }
- if (((struct eficonfig_save_boot_order_data *)entry->data)->selected)
- break;
- }
- if (ret != EFI_SUCCESS)
- break;
- }
- out:
- free(bootorder);
- list_for_each_safe(pos, n, &efi_menu->list) {
- entry = list_entry(pos, struct eficonfig_entry, list);
- free(entry->data);
- }
- eficonfig_destroy(efi_menu);
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret;
- return ret;
- }
- /**
- * eficonfig_process_delete_boot_option() - handler to delete boot option
- *
- * @data: pointer to the data for each entry
- * Return: status code
- */
- static efi_status_t eficonfig_process_delete_boot_option(void *data)
- {
- efi_status_t ret;
- unsigned int selected;
- while (1) {
- ret = eficonfig_show_boot_selection(&selected);
- if (ret == EFI_SUCCESS)
- ret = efi_bootmgr_delete_boot_option(selected);
- if (ret != EFI_SUCCESS)
- break;
- }
- /* to stay the parent menu */
- ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret;
- return ret;
- }
- /**
- * eficonfig_init() - do required initialization for eficonfig command
- *
- * Return: status code
- */
- static efi_status_t eficonfig_init(void)
- {
- efi_status_t ret = EFI_SUCCESS;
- static bool init;
- struct efi_handler *handler;
- unsigned long columns, rows;
- if (!init) {
- ret = efi_search_protocol(efi_root, &efi_guid_text_input_protocol, &handler);
- if (ret != EFI_SUCCESS)
- return ret;
- ret = efi_protocol_open(handler, (void **)&cin, efi_root, NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- return ret;
- ret = efi_search_protocol(efi_root, &efi_guid_text_output_protocol, &handler);
- if (ret != EFI_SUCCESS)
- return ret;
- ret = efi_protocol_open(handler, (void **)&cout, efi_root, NULL,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL);
- if (ret != EFI_SUCCESS)
- return ret;
- cout->query_mode(cout, cout->mode->mode, &columns, &rows);
- avail_row = rows - (EFICONFIG_MENU_HEADER_ROW_NUM +
- EFICONFIG_MENU_DESC_ROW_NUM);
- if (avail_row <= 0) {
- eficonfig_print_msg("Console size is too small!");
- return EFI_INVALID_PARAMETER;
- }
- /* TODO: Should we check the minimum column size? */
- }
- init = true;
- return ret;
- }
- 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},
- #if (IS_ENABLED(CONFIG_EFI_SECURE_BOOT) && IS_ENABLED(CONFIG_EFI_MM_COMM_TEE))
- {"Secure Boot Configuration", eficonfig_process_secure_boot_config},
- #endif
- {"Quit", eficonfig_process_quit},
- };
- /**
- * do_eficonfig() - execute `eficonfig` command
- *
- * @cmdtp: table entry describing command
- * @flag: bitmap indicating how the command was invoked
- * @argc: number of arguments
- * @argv: command line arguments
- * Return: status code
- */
- static int do_eficonfig(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
- {
- efi_status_t ret;
- struct efimenu *efi_menu;
- if (argc > 1)
- return CMD_RET_USAGE;
- ret = efi_init_obj_list();
- if (ret != EFI_SUCCESS) {
- log_err("Error: Cannot initialize UEFI sub-system, r = %lu\n",
- ret & ~EFI_ERROR_MASK);
- return CMD_RET_FAILURE;
- }
- ret = eficonfig_init();
- if (ret != EFI_SUCCESS)
- return CMD_RET_FAILURE;
- ret = efi_bootmgr_update_media_device_boot_option();
- if (ret != EFI_SUCCESS)
- return ret;
- while (1) {
- efi_menu = eficonfig_create_fixed_menu(maintenance_menu_items,
- ARRAY_SIZE(maintenance_menu_items));
- if (!efi_menu)
- return CMD_RET_FAILURE;
- ret = eficonfig_process_common(efi_menu,
- " ** UEFI Maintenance Menu **",
- eficonfig_menu_desc,
- eficonfig_display_statusline,
- eficonfig_print_entry,
- eficonfig_choice_entry);
- eficonfig_destroy(efi_menu);
- if (ret == EFI_ABORTED)
- break;
- }
- return CMD_RET_SUCCESS;
- }
- U_BOOT_CMD(
- eficonfig, 1, 0, do_eficonfig,
- "provide menu-driven UEFI variable maintenance interface",
- ""
- );
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