111 lines
3 KiB
C++
111 lines
3 KiB
C++
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <dirent.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <signal.h>
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#include <fcntl.h>
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#include "ui.h"
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#include "cutils/properties.h"
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#include "install.h"
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#include "common.h"
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#include "adb_install.h"
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extern "C" {
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#include "minadbd/adb.h"
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}
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static RecoveryUI* ui = NULL;
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static void
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set_usb_driver(bool enabled) {
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int fd = open("/sys/class/android_usb/android0/enable", O_WRONLY);
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if (fd < 0) {
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ui->Print("failed to open driver control: %s\n", strerror(errno));
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return;
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}
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if (write(fd, enabled ? "1" : "0", 1) < 0) {
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ui->Print("failed to set driver control: %s\n", strerror(errno));
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}
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if (close(fd) < 0) {
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ui->Print("failed to close driver control: %s\n", strerror(errno));
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}
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}
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static void
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stop_adbd() {
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property_set("ctl.stop", "adbd");
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set_usb_driver(false);
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}
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static void
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maybe_restart_adbd() {
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char value[PROPERTY_VALUE_MAX+1];
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int len = property_get("ro.debuggable", value, NULL);
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if (len == 1 && value[0] == '1') {
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ui->Print("Restarting adbd...\n");
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set_usb_driver(true);
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property_set("ctl.start", "adbd");
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}
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}
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int
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apply_from_adb(RecoveryUI* ui_, int* wipe_cache, const char* install_file) {
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ui = ui_;
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stop_adbd();
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set_usb_driver(true);
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ui->Print("\n\nNow send the package you want to apply\n"
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"to the device with \"adb sideload <filename>\"...\n");
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pid_t child;
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if ((child = fork()) == 0) {
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execl("/sbin/recovery", "recovery", "--adbd", NULL);
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_exit(-1);
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}
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int status;
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// TODO(dougz): there should be a way to cancel waiting for a
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// package (by pushing some button combo on the device). For now
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// you just have to 'adb sideload' a file that's not a valid
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// package, like "/dev/null".
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waitpid(child, &status, 0);
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if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
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ui->Print("status %d\n", WEXITSTATUS(status));
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}
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set_usb_driver(false);
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maybe_restart_adbd();
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struct stat st;
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if (stat(ADB_SIDELOAD_FILENAME, &st) != 0) {
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if (errno == ENOENT) {
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ui->Print("No package received.\n");
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} else {
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ui->Print("Error reading package:\n %s\n", strerror(errno));
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}
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return INSTALL_ERROR;
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}
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return install_package(ADB_SIDELOAD_FILENAME, wipe_cache, install_file);
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}
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