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recovery.c
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recovery.c
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <limits.h>
#include <linux/input.h>
#include <stdio.h>
#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include <sys/reboot.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <termios.h>
#include "bootloader.h"
#include "commands.h"
#include "common.h"
#include "cutils/properties.h"
#include "firmware.h"
#include "install.h"
#include "minui/minui.h"
#include "minzip/DirUtil.h"
#include "roots.h"
static const struct option OPTIONS[] = {
{ "send_intent", required_argument, NULL, 's' },
{ "update_package", required_argument, NULL, 'u' },
{ "wipe_data", no_argument, NULL, 'w' },
{ "wipe_cache", no_argument, NULL, 'c' },
};
static const char *COMMAND_FILE = "CACHE:recovery/command";
static const char *INTENT_FILE = "CACHE:recovery/intent";
static const char *LOG_FILE = "CACHE:recovery/log";
static const char *SDCARD_PACKAGE_FILE = "SDCARD:update.zip";
static const char *SDCARD_PATH = "SDCARD:";
#define SDCARD_PATH_LENGTH 7
static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
/*
* The recovery tool communicates with the main system through /cache files.
* /cache/recovery/command - INPUT - command line for tool, one arg per line
* /cache/recovery/log - OUTPUT - combined log file from recovery run(s)
* /cache/recovery/intent - OUTPUT - intent that was passed in
*
* The arguments which may be supplied in the recovery.command file:
* --send_intent=anystring - write the text out to recovery.intent
* --update_package=root:path - verify install an OTA package file
* --wipe_data - erase user data (and cache), then reboot
* --wipe_cache - wipe cache (but not user data), then reboot
*
* After completing, we remove /cache/recovery/command and reboot.
* Arguments may also be supplied in the bootloader control block (BCB).
* These important scenarios must be safely restartable at any point:
*
* FACTORY RESET
* 1. user selects "factory reset"
* 2. main system writes "--wipe_data" to /cache/recovery/command
* 3. main system reboots into recovery
* 4. get_args() writes BCB with "boot-recovery" and "--wipe_data"
* -- after this, rebooting will restart the erase --
* 5. erase_root() reformats /data
* 6. erase_root() reformats /cache
* 7. finish_recovery() erases BCB
* -- after this, rebooting will restart the main system --
* 8. main() calls reboot() to boot main system
*
* OTA INSTALL
* 1. main system downloads OTA package to /cache/some-filename.zip
* 2. main system writes "--update_package=CACHE:some-filename.zip"
* 3. main system reboots into recovery
* 4. get_args() writes BCB with "boot-recovery" and "--update_package=..."
* -- after this, rebooting will attempt to reinstall the update --
* 5. install_package() attempts to install the update
* NOTE: the package install must itself be restartable from any point
* 6. finish_recovery() erases BCB
* -- after this, rebooting will (try to) restart the main system --
* 7. ** if install failed **
* 7a. prompt_and_wait() shows an error icon and waits for the user
* 7b; the user reboots (pulling the battery, etc) into the main system
* 8. main() calls maybe_install_firmware_update()
* ** if the update contained radio/hboot firmware **:
* 8a. m_i_f_u() writes BCB with "boot-recovery" and "--wipe_cache"
* -- after this, rebooting will reformat cache & restart main system --
* 8b. m_i_f_u() writes firmware image into raw cache partition
* 8c. m_i_f_u() writes BCB with "update-radio/hboot" and "--wipe_cache"
* -- after this, rebooting will attempt to reinstall firmware --
* 8d. bootloader tries to flash firmware
* 8e. bootloader writes BCB with "boot-recovery" (keeping "--wipe_cache")
* -- after this, rebooting will reformat cache & restart main system --
* 8f. erase_root() reformats /cache
* 8g. finish_recovery() erases BCB
* -- after this, rebooting will (try to) restart the main system --
* 9. main() calls reboot() to boot main system
*/
static const int MAX_ARG_LENGTH = 4096;
static const int MAX_ARGS = 100;
static int do_reboot = 1;
// open a file given in root:path format, mounting partitions as necessary
static FILE*
fopen_root_path(const char *root_path, const char *mode) {
if (ensure_root_path_mounted(root_path) != 0) {
LOGE("Can't mount %s\n", root_path);
return NULL;
}
char path[PATH_MAX] = "";
if (translate_root_path(root_path, path, sizeof(path)) == NULL) {
LOGE("Bad path %s\n", root_path);
return NULL;
}
// When writing, try to create the containing directory, if necessary.
// Use generous permissions, the system (init.rc) will reset them.
if (strchr("wa", mode[0])) dirCreateHierarchy(path, 0777, NULL, 1);
FILE *fp = fopen(path, mode);
return fp;
}
// close a file, log an error if the error indicator is set
static void
check_and_fclose(FILE *fp, const char *name) {
fflush(fp);
if (ferror(fp)) LOGE("Error in %s\n(%s)\n", name, strerror(errno));
fclose(fp);
}
// command line args come from, in decreasing precedence:
// - the actual command line
// - the bootloader control block (one per line, after "recovery")
// - the contents of COMMAND_FILE (one per line)
static void
get_args(int *argc, char ***argv) {
struct bootloader_message boot;
memset(&boot, 0, sizeof(boot));
get_bootloader_message(&boot); // this may fail, leaving a zeroed structure
if (boot.command[0] != 0 && boot.command[0] != 255) {
LOGI("Boot command: %.*s\n", sizeof(boot.command), boot.command);
}
if (boot.status[0] != 0 && boot.status[0] != 255) {
LOGI("Boot status: %.*s\n", sizeof(boot.status), boot.status);
}
// --- if arguments weren't supplied, look in the bootloader control block
if (*argc <= 1) {
boot.recovery[sizeof(boot.recovery) - 1] = '\0'; // Ensure termination
const char *arg = strtok(boot.recovery, "\n");
if (arg != NULL && !strcmp(arg, "recovery")) {
*argv = (char **) malloc(sizeof(char *) * MAX_ARGS);
(*argv)[0] = strdup(arg);
for (*argc = 1; *argc < MAX_ARGS; ++*argc) {
if ((arg = strtok(NULL, "\n")) == NULL) break;
(*argv)[*argc] = strdup(arg);
}
LOGI("Got arguments from boot message\n");
} else if (boot.recovery[0] != 0 && boot.recovery[0] != 255) {
LOGE("Bad boot message\n\"%.20s\"\n", boot.recovery);
}
}
// --- if that doesn't work, try the command file
if (*argc <= 1) {
FILE *fp = fopen_root_path(COMMAND_FILE, "r");
if (fp != NULL) {
char *argv0 = (*argv)[0];
*argv = (char **) malloc(sizeof(char *) * MAX_ARGS);
(*argv)[0] = argv0; // use the same program name
char buf[MAX_ARG_LENGTH];
for (*argc = 1; *argc < MAX_ARGS; ++*argc) {
if (!fgets(buf, sizeof(buf), fp)) break;
(*argv)[*argc] = strdup(strtok(buf, "\r\n")); // Strip newline.
}
check_and_fclose(fp, COMMAND_FILE);
LOGI("Got arguments from %s\n", COMMAND_FILE);
}
}
// --> write the arguments we have back into the bootloader control block
// always boot into recovery after this (until finish_recovery() is called)
strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
int i;
for (i = 1; i < *argc; ++i) {
strlcat(boot.recovery, (*argv)[i], sizeof(boot.recovery));
strlcat(boot.recovery, "\n", sizeof(boot.recovery));
}
set_bootloader_message(&boot);
}
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read), and
// record any intent we were asked to communicate back to the system.
// this function is idempotent: call it as many times as you like.
static void
finish_recovery(const char *send_intent)
{
// By this point, we're ready to return to the main system...
if (send_intent != NULL) {
FILE *fp = fopen_root_path(INTENT_FILE, "w");
if (fp == NULL) {
LOGE("Can't open %s\n", INTENT_FILE);
} else {
fputs(send_intent, fp);
check_and_fclose(fp, INTENT_FILE);
}
}
// Copy logs to cache so the system can find out what happened.
FILE *log = fopen_root_path(LOG_FILE, "a");
if (log == NULL) {
LOGE("Can't open %s\n", LOG_FILE);
} else {
FILE *tmplog = fopen(TEMPORARY_LOG_FILE, "r");
if (tmplog == NULL) {
LOGE("Can't open %s\n", TEMPORARY_LOG_FILE);
} else {
static long tmplog_offset = 0;
fseek(tmplog, tmplog_offset, SEEK_SET); // Since last write
char buf[4096];
while (fgets(buf, sizeof(buf), tmplog)) fputs(buf, log);
tmplog_offset = ftell(tmplog);
check_and_fclose(tmplog, TEMPORARY_LOG_FILE);
}
check_and_fclose(log, LOG_FILE);
}
// Reset the bootloader message to revert to a normal main system boot.
struct bootloader_message boot;
memset(&boot, 0, sizeof(boot));
set_bootloader_message(&boot);
// Remove the command file, so recovery won't repeat indefinitely.
char path[PATH_MAX] = "";
if (ensure_root_path_mounted(COMMAND_FILE) != 0 ||
translate_root_path(COMMAND_FILE, path, sizeof(path)) == NULL ||
(unlink(path) && errno != ENOENT)) {
LOGW("Can't unlink %s\n", COMMAND_FILE);
}
sync(); // For good measure.
}
#define TEST_AMEND 0
#if TEST_AMEND
static void
test_amend()
{
extern int test_symtab(void);
extern int test_cmd_fn(void);
int ret;
LOGD("Testing symtab...\n");
ret = test_symtab();
LOGD(" returned %d\n", ret);
LOGD("Testing cmd_fn...\n");
ret = test_cmd_fn();
LOGD(" returned %d\n", ret);
}
#endif // TEST_AMEND
static int
erase_root(const char *root)
{
ui_set_background(BACKGROUND_ICON_INSTALLING);
ui_show_indeterminate_progress();
ui_print("Formatting %s..", root);
return format_root_device(root);
}
static void
backup_partition(char partition[])
{
ui_print("\n- This will BACKUP your %s!", partition);
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
int confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
char path[strlen(partition)];
if (strcmp(partition, "data") == 0) {
strcpy(path, "DATA:");
} else {
strcpy(path, "SYSTEM:");
}
if (ensure_root_path_mounted(path) != 0) {
ui_print("Can't mount %s\n", partition);
} else if (ensure_root_path_mounted("SDCARD:") != 0) {
ui_print("Can't mount sdcard\n");
} else {
ui_print("\nPerforming backup");
//create filename
time_t rawtime;
struct tm * timeinfo;
char formattime[25];
time ( &rawtime );
timeinfo = localtime ( &rawtime );
strftime (formattime,25,"_backup_%y%m%d%H%M%S.tar",timeinfo);
char filename[strlen(partition)+37];
strcpy(filename, "/sdcard/");
strcat(filename, partition);
strcat(filename, formattime);
//create exclude command
char exclude[strlen(partition)+26];
strcpy(exclude, "--exclude='");
strcat(exclude, partition);
strcat(exclude, "/$RFS_LOG.LO$'");
int error=0;
pid_t pid = fork();
if (pid == 0) {
error=execl("/sbin/busybox", "busybox", "tar", "-c", exclude, "-f", filename, partition, NULL);
_exit(-1);
}
int status;
while (waitpid(pid, &status, WNOHANG) == 0) {
ui_print(".");
sleep(1);
}
ui_print("\n");
if (error != 0) {
ui_print("Error creating backup. Backup not performed.\n\n");
} else {
ui_print("Backup %s complete!\n", partition);
}
}
} else {
ui_print("\nBackup %s aborted.\n", partition);
}
}
static void
restore_partition(char partition[])
{
static char* headers[] = { "",
"",
"",
"Choose backup file to restore",
"",
"Use Up/Down and OK to select",
"Back returns to data options",
"",
NULL };
char path[PATH_MAX] = "";
DIR *dir;
struct dirent *de;
char **files;
int total = 0;
int i;
if (ensure_root_path_mounted(SDCARD_PATH) != 0) {
LOGE("Can't mount %s\n", SDCARD_PATH);
return;
}
if (translate_root_path(SDCARD_PATH, path, sizeof(path)) == NULL) {
LOGE("Bad path %s", path);
return;
}
dir = opendir(path);
if (dir == NULL) {
LOGE("Couldn't open directory %s", path);
return;
}
char prefix[strlen(partition)+9];
strcpy(prefix, partition);
strcat(prefix, "_backup_");
/* count how many files we're looking at */
while ((de = readdir(dir)) != NULL) {
if (strncmp(de->d_name, prefix, strlen(prefix)) == 0){
total++;
}
}
/* allocate the array for the file list menu */
files = (char **) malloc((total + 1) * sizeof(*files));
files[total] = NULL;
/* set it up for the second pass */
rewinddir(dir);
/* put the names in the array for the menu */
i = 0;
while ((de = readdir(dir)) != NULL) {
if (strncmp(de->d_name, prefix, strlen(prefix)) == 0){
files[i] = (char *) malloc(strlen(de->d_name) + 1);
strcpy(files[i], de->d_name);
i++;
}
}
/* close directory handle */
if (closedir(dir) < 0) {
LOGE("Failure closing directory %s", path);
goto out;
}
ui_start_menu(headers, files);
int selected = 0;
int chosen_item = -1;
finish_recovery(NULL);
ui_reset_progress();
for (;;) {
int key = ui_wait_key();
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK) {
break;
} else if ((key == KEY_DOWN || key == KEY_DREAM_VOLUMEDOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_UP || key == KEY_DREAM_VOLUMEUP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == KEY_I5700_CENTER && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
ui_print("\n- This will RESTORE your %s!",partition);
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
int confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
ui_print("\n");
if (strcmp(partition, "data") == 0) {
strcpy(prefix, "DATA:");
} else {
strcpy(prefix, "SYSTEM:");
}
erase_root(prefix);
ui_print("Performing restore");
if (ensure_root_path_mounted(prefix) != 0) {
ui_print("Can't mount %s\n", partition);
} else {
char filename[strlen(files[chosen_item]) + 9];
strcpy(filename, "/sdcard/");
strcat(filename, files[chosen_item]);
int error=0;
pid_t pid = fork();
if (pid == 0) {
error=execl("/sbin/busybox", "busybox", "tar", "-x", "-f", filename, NULL);
_exit(-1);
}
int status;
while (waitpid(pid, &status, WNOHANG) == 0) {
ui_print(".");
sleep(1);
}
ui_print("\n");
//if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
if (error != 0){
ui_print("Error restoring %s. Restore not performed.\n\n", partition);
} else {
ui_print("Restore %s complete!\n",partition);
}
}
} else {
ui_print("\nRestore %s aborted.\n", partition);
}
if (!ui_text_visible()) break;
break;
}
}
out:
for (i = 0; i < total; i++) {
free(files[i]);
}
free(files);
}
static void
sdcard_options()
{
static char* headers[] = { "",
"",
"",
" Sdcard Options",
"",
"Use Up/Down and OK to select",
"Back returns to main menu",
"",
NULL };
#define SDCARD_MOUNT 0
#define SDCARD_UNMOUNT 1
#define SDCARD_HOST_MOUNT 2
#define SDCARD_HOST_UNMOUNT 3
static char* items[] = { "Mount to /sdcard",
"Unmount from /sdcard",
"Mount to USB",
"Unmount from USB",
NULL };
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
for (;;) {
int key = ui_wait_key();
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK) {
break;
} else if ((key == KEY_DREAM_VOLUMEDOWN || key == KEY_DOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_DREAM_VOLUMEUP || key == KEY_UP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == KEY_I5700_CENTER && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
int confirm_item;
switch (chosen_item) {
case SDCARD_MOUNT:
if (ensure_root_path_mounted("SDCARD:") != 0) {
ui_print("\nCan't mount sdcard\n");
}
else {
ui_print("\nSdcard mounted to /sdcard\n");
}
break;
case SDCARD_UNMOUNT:
if (ensure_root_path_unmounted("SDCARD:") != 0) {
ui_print("\nCan't unmount sdcard\n");
}
else {
ui_print("\nSdcard unmounted from /sdcard\n");
}
break;
case SDCARD_HOST_MOUNT:
if (ensure_root_path_mounted("SDCARD:") != 0) {
ui_print("\nCan't mount Sdcard on USB\n");
} else {
int error=0;
//error = system("/sbin/busybox rm /data/dalvik-cache/*");
error = system("/sbin/busybox echo /dev/block/vold/179:0 > /sys/devices/platform/s3c6410-usbgadget/gadget/lun0/file");
ui_print("\n");
if (error != 0){
ui_print("\nError mounting sdcard to USB.\n\n");
} else {
ui_print("\nSdcard mounted to USB\n");
}
}
break;
case SDCARD_HOST_UNMOUNT:
if (ensure_root_path_mounted("SDCARD:") != 0) {
ui_print("\nCan't unmount Sdcard on USB\n");
} else {
int error=0;
//error = system("/sbin/busybox rm /data/dalvik-cache/*");
error = system("/sbin/busybox echo > /sys/devices/platform/s3c6410-usbgadget/gadget/lun0/file");
ui_print("\n");
if (error != 0){
ui_print("\nError unmounting sdcard from USB\n");
} else {
ui_print("\nSdcard unmounted from USB\n");
}
}
break;
}
// if we didn't return from this function to reboot, show
// the menu again.
ui_start_menu(headers, items);
selected = 0;
chosen_item = -1;
// throw away keys pressed while the command was running,
// so user doesn't accidentally trigger menu items.
ui_clear_key_queue();
}
}
}
static void
system_options()
{
static char* headers[] = { "",
"",
"",
" System Options",
"",
"Use Up/Down and OK to select",
"Back returns to main menu",
"",
NULL };
#define SYSTEM_BACKUP 0
#define SYSTEM_RESTORE 1
#define SYSTEM_MOUNT 2
#define SYSTEM_UNMOUNT 3
static char* items[] = { "Backup",
"Restore",
"Mount",
"Unmount",
NULL };
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
for (;;) {
int key = ui_wait_key();
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK) {
break;
} else if ((key == KEY_DREAM_VOLUMEDOWN || key == KEY_DOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_DREAM_VOLUMEUP || key == KEY_UP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == KEY_I5700_CENTER && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
int confirm_item;
switch (chosen_item) {
case SYSTEM_BACKUP:
backup_partition("system");
break;
case SYSTEM_RESTORE:
restore_partition("system");
break;
case SYSTEM_MOUNT:
if (ensure_root_path_mounted("SYSTEM:") != 0) {
ui_print("\nCan't mount system\n");
}
else {
ui_print("\nSystem mounted\n");
}
break;
case SYSTEM_UNMOUNT:
if (ensure_root_path_unmounted("SYSTEM:") != 0) {
ui_print("\nCan't unmount system\n");
}
else {
ui_print("\nSystem unmounted\n");
}
break;
}
// if we didn't return from this function to reboot, show
// the menu again.
ui_start_menu(headers, items);
selected = 0;
chosen_item = -1;
// throw away keys pressed while the command was running,
// so user doesn't accidentally trigger menu items.
ui_clear_key_queue();
}
}
}
static void
data_options()
{
static char* headers[] = { "",
"",
"",
" Data Options",
"",
"Use Up/Down and OK to select",
"Back returns to main menu",
"",
NULL };
#define DATA_BACKUP 0
#define DATA_RESTORE 1
#define DATA_CLEAR_DALVIK 2
#define DATA_WIPE 3
#define DATA_MOUNT 4
#define DATA_UNMOUNT 5
static char* items[] = { "Backup",
"Restore",
"Clear dalvik cache",
"Wipe/factory reset",
"Mount",
"Unmount",
NULL };
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
for (;;) {
int key = ui_wait_key();
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK) {
break;
} else if ((key == KEY_DREAM_VOLUMEDOWN || key == KEY_DOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_DREAM_VOLUMEUP || key == KEY_UP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == KEY_I5700_CENTER && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
int confirm_item;
switch (chosen_item) {
case DATA_BACKUP:
backup_partition("data");
break;
case DATA_RESTORE:
restore_partition("data");
break;
case DATA_CLEAR_DALVIK:
ui_print("\n- This will ERASE dalvik cache!");
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
if (ensure_root_path_mounted("DATA:") != 0) {
ui_print("\nCan't mount data\n");
} else {
ui_print("\nClearing dalvik cache");
int error=0;
error = system("/sbin/busybox rm /data/dalvik-cache/*");
//pid_t pid = fork();
//if (pid == 0) {
//error=execl("/bin/sh", "sh", "-c", "busybox", "rm", "/data/dalvik-cache/*", NULL);
//_exit(-1);
//}
//int status;
//while (waitpid(pid, &status, WNOHANG) == 0) {
//ui_print(".");
//sleep(1);
//}
ui_print("\n");
if (error != 0){
ui_print("Error clearing dalvik cache. Cache not cleared.\n\n");
} else {
ui_print("Dalvik cache cleared!\n");
}
}
} else {
ui_print("\nClear dalvik cache aborted.\n");
}
break;
case DATA_WIPE:
ui_print("\n- This will ERASE your data!");
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
ui_print("\nWiping data...\n");
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
} else {
ui_print("\nData wipe aborted.\n");
}
break;
case DATA_MOUNT:
if (ensure_root_path_mounted("DATA:") != 0) {
ui_print("\nCan't mount data\n");
}
else {
ui_print("\nData mounted\n");
}
break;
case DATA_UNMOUNT:
if (ensure_root_path_unmounted("DATA:") != 0) {
ui_print("\nCan't unmount data\n");
}
else {
ui_print("\nData unmounted\n");
}
break;
}
// if we didn't return from this function to reboot, show
// the menu again.
ui_start_menu(headers, items);
selected = 0;
chosen_item = -1;
// throw away keys pressed while the command was running,
// so user doesn't accidentally trigger menu items.
ui_clear_key_queue();
}
}
}
static void
flash_options()
{
static char* headers[] = { "",
"",
"",
" Flash Options",
"",
"Use Up/Down and OK to select",
"Back returns to main menu",
"",
NULL };
#define FLASH_KERNEL 0
#define FLASH_LOGO 1
#define FLASH_RECOVERY 2
static char* items[] = { "Kernel (zImage)",
"Boot Screen (logo.png)",
"Recovery (recovery.rfs)",
NULL };
ui_start_menu(headers, items);
int selected = 0;
int chosen_item = -1;
for (;;) {
int key = ui_wait_key();
int visible = ui_text_visible();
if (key == KEY_DREAM_BACK) {
break;
} else if ((key == KEY_DREAM_VOLUMEDOWN || key == KEY_DOWN) && visible) {
++selected;
selected = ui_menu_select(selected);
} else if ((key == KEY_DREAM_VOLUMEUP || key == KEY_UP) && visible) {
--selected;
selected = ui_menu_select(selected);
} else if (key == KEY_I5700_CENTER && visible) {
chosen_item = selected;
}
if (chosen_item >= 0) {
// turn off the menu, letting ui_print() to scroll output
// on the screen.
ui_end_menu();
int confirm_item;
switch (chosen_item) {
// old kernel flash command
//case FLASH_KERNEL:
//backup_partition("data");
//break;
case FLASH_KERNEL:
ui_print("\n- This will FLASH a new Kernel!");
ui_print("\n- Kernel must be named zImage");
ui_print("\n- zImage must be in /sdcard/updates/");
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
// make sure zImage exists in /sdcard/zImage
// if (ensure_root_path_mounted("DATA:") != 0) {
// ui_print("\nCan't mount data\n");
// } else {
// ui_print("\nClearing dalvik cache");
// }
int error=0;
pid_t pid = fork();
if (pid == 0) {
error=execl("/sbin/flash_image", "flash_image", "boot", "/sdcard/updates/zImage", NULL);
_exit(-1);
}
int status;
while (waitpid(pid, &status, WNOHANG) == 0) {
ui_print(".");
sleep(1);
}
ui_print("\n");
if (error != 0){
ui_print("Error flashing Kernel - zImage.\n\n");
} else {
ui_print("\nKernel - zImage flashed successfully!\n");
ui_print("Reboot for changes to take effect!\n");
}
// for confirm item button pressed anything other than Home
} else {
ui_print("\nFlashing of Kernel aborted.\n");
}
break;
case FLASH_LOGO:
ui_print("\n- This will FLASH a new Boot Screen!");
ui_print("\n- Improper use has permanently BRICKED phones!");
ui_print("\n- Boot screen must be named logo.png"); ui_print("\n- logo.png must be in /sdcard/updates/");
ui_print("\n- Press HOME to confirm, or");
ui_print("\n- any other key to abort..");
confirm_item = ui_wait_key();
if (confirm_item == KEY_DREAM_HOME) {
// make sure zImage exists in /sdcard/zImage
// if (ensure_root_path_mounted("DATA:") != 0) {
// ui_print("\nCan't mount data\n");
// } else {