1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <errno.h> 18 #include <inttypes.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <unistd.h> 23 24 #include <string> 25 #include <thread> 26 27 #include "adb.h" 28 #include "fdevent.h" 29 #include "fuse_adb_provider.h" 30 #include "sysdeps.h" 31 32 static void sideload_host_service(int sfd, const std::string& args) { 33 int file_size; 34 int block_size; 35 if (sscanf(args.c_str(), "%d:%d", &file_size, &block_size) != 2) { 36 printf("bad sideload-host arguments: %s\n", args.c_str()); 37 exit(1); 38 } 39 40 printf("sideload-host file size %d block size %d\n", file_size, block_size); 41 42 int result = run_adb_fuse(sfd, file_size, block_size); 43 44 printf("sideload_host finished\n"); 45 exit(result == 0 ? 0 : 1); 46 } 47 48 static int create_service_thread(void (*func)(int, const std::string&), const std::string& args) { 49 int s[2]; 50 if (adb_socketpair(s)) { 51 printf("cannot create service socket pair\n"); 52 return -1; 53 } 54 55 std::thread([s, func, args]() { func(s[1], args); }).detach(); 56 57 VLOG(SERVICES) << "service thread started, " << s[0] << ":" << s[1]; 58 return s[0]; 59 } 60 61 int service_to_fd(const char* name, atransport* /* transport */) { 62 int ret = -1; 63 64 if (!strncmp(name, "sideload:", 9)) { 65 // this exit status causes recovery to print a special error 66 // message saying to use a newer adb (that supports 67 // sideload-host). 68 exit(3); 69 } else if (!strncmp(name, "sideload-host:", 14)) { 70 std::string arg(name + 14); 71 ret = create_service_thread(sideload_host_service, arg); 72 } 73 if (ret >= 0) { 74 close_on_exec(ret); 75 } 76 return ret; 77 } 78
