dad69277b7
All new files and folders are created with group sdcard_rw Permissions for new files are 0664 and directories 0775 Change-Id: I6d508231150f687e2e529112fd47f10e30fa594f Signed-off-by: Mike Lockwood <lockwood@android.com>
89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
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* Copyright (C) 2010 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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#define LOG_TAG "mtp_usb"
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#include "MtpDebug.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include "MtpServer.h"
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#include "MtpStorage.h"
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#include "f_mtp.h"
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#include "private/android_filesystem_config.h"
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using namespace android;
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static bool enable_usb_function(const char* name, bool enable) {
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char path[PATH_MAX];
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snprintf(path, sizeof(path), "/sys/class/usb_composite/%s/enable", name);
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int fd = open(path, O_RDWR);
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if (fd < 0) {
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fprintf(stderr, "could not open %s in enable_usb_function\n", path);
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return false;
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}
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write(fd, enable ? "1" : "0", 2);
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close(fd);
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return true;
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}
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int main(int argc, char* argv[]) {
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bool usePTP = false;
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const char* storagePath = "/sdcard";
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for (int i = 1; i < argc; i++) {
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const char* arg = argv[i];
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if (!strcmp(arg, "-p"))
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usePTP = true;
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else if (arg[0] == '/')
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storagePath = arg;
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}
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int fd = open("/dev/mtp_usb", O_RDWR);
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printf("open returned %d\n", fd);
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if (fd < 0) {
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fprintf(stderr, "could not open MTP driver\n");
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return -1;
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}
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if (usePTP) {
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// set driver mode to PTP
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int ret = ioctl(fd, MTP_SET_INTERFACE_MODE, MTP_INTERFACE_MODE_PTP);
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if (ret) {
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fprintf(stderr, "MTP_SET_INTERFACE_MODE failed\n");
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return -1;
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}
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}
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// disable UMS and enable MTP USB functions
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enable_usb_function("usb_mass_storage", false);
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enable_usb_function("mtp", true);
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MtpServer server(fd, "/data/data/mtp/mtp.db", AID_SDCARD_RW, 0664, 0775);
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server.addStorage(storagePath);
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server.scanStorage();
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server.run();
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close(fd);
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return 0;
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}
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