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/*
* Copyright (C) 2012 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 <unistd.h>
#include <dirent.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <signal.h>
#include <fcntl.h>
#include "minui/minui.h"
#include "cutils/properties.h"
#include "install.h"
#include "common.h"
#include "adb_install.h"
#include "minadbd/adb.h"
static void
set_usb_driver(int enabled) {
int fd = open("/sys/class/android_usb/android0/enable", O_WRONLY);
if (fd < 0) {
ui_print("failed to open driver control: %s\n", strerror(errno));
return;
}
int status;
if (enabled > 0) {
status = write(fd, "1", 1);
} else {
status = write(fd, "0", 1);
}
if (status < 0) {
ui_print("failed to set driver control: %s\n", strerror(errno));
}
if (close(fd) < 0) {
ui_print("failed to close driver control: %s\n", strerror(errno));
}
}
static void
stop_adbd() {
property_set("ctl.stop", "adbd");
set_usb_driver(0);
}
static void
maybe_restart_adbd() {
char value[PROPERTY_VALUE_MAX+1];
int len = property_get("ro.debuggable", value, NULL);
if (len == 1 && value[0] == '1') {
ui_print("Restarting adbd...\n");
set_usb_driver(1);
property_set("ctl.start", "adbd");
}
}
int
apply_from_adb() {
stop_adbd();
set_usb_driver(1);
ui_print("\n\nSideload started ...\nNow send the package you want to apply\n"
"to the device with \"adb sideload <filename>\"...\n\n");
pid_t child;
if ((child = fork()) == 0) {
execl("/sbin/recovery", "recovery", "adbd", NULL);
_exit(-1);
}
int status;
// TODO(dougz): there should be a way to cancel waiting for a
// package (by pushing some button combo on the device). For now
// you just have to 'adb sideload' a file that's not a valid
// package, like "/dev/null".
waitpid(child, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
ui_print("status %d\n", WEXITSTATUS(status));
}
set_usb_driver(0);
maybe_restart_adbd();
struct stat st;
if (stat(ADB_SIDELOAD_FILENAME, &st) != 0) {
if (errno == ENOENT) {
ui_print("No package received.\n");
ui_set_background(BACKGROUND_ICON_ERROR);
} else {
ui_print("Error reading package:\n %s\n", strerror(errno));
ui_set_background(BACKGROUND_ICON_ERROR);
}
return INSTALL_ERROR;
}
int install_status = install_package(ADB_SIDELOAD_FILENAME);
ui_reset_progress();
if (install_status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
ui_print("Installation aborted.\n");
}
return install_status;
}
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