platform_bootable_recovery/minadbd/fuse_adb_provider.cpp
Tao Bao ed717ca17d minadbd: Support rescue install and getprop commands.
Bug: 128415917
Test: Enter rescue mode on taimen. Send the following commands:
      `adb rescue getprop ro.build.fingerprint`
      `adb rescue getprop ro.build.date.utc`
      `adb rescue install /path/to/package.zip`
Test: Sideload on taimen w/ `adb sideload /path/to/package.zip`.
Change-Id: Ibc25daf9fd13f7002e54789f67aaf85d06976bb8
2019-04-19 12:53:55 -07:00

39 lines
1.2 KiB
C++

/*
* Copyright (C) 2014 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 "fuse_adb_provider.h"
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "adb.h"
#include "adb_io.h"
bool FuseAdbDataProvider::ReadBlockAlignedData(uint8_t* buffer, uint32_t fetch_size,
uint32_t start_block) const {
if (!WriteFdFmt(fd_, "%08u", start_block)) {
fprintf(stderr, "failed to write to adb host: %s\n", strerror(errno));
return false;
}
if (!ReadFdExactly(fd_, buffer, fetch_size)) {
fprintf(stderr, "failed to read from adb host: %s\n", strerror(errno));
return false;
}
return true;
}