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eficonfig.c
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eficonfig.c
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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_shorten(dp_volume);
if (!dp)
dp = dp_volume;
dp = efi_dp_append(dp, &fp->dp);
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) {