1 /* 2 * Copyright (C) 2015 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 #define TRACE_TAG TRACE_ADB 18 19 #include "sysdeps.h" 20 #include "adb_auth.h" 21 22 #include <errno.h> 23 #include <stdio.h> 24 #include <string.h> 25 #include <sys/types.h> 26 #include <unistd.h> 27 28 #include "adb.h" 29 #include "transport.h" 30 31 bool auth_required = true; 32 33 void send_auth_request(atransport *t) 34 { 35 D("Calling send_auth_request\n"); 36 apacket *p; 37 int ret; 38 39 ret = adb_auth_generate_token(t->token, sizeof(t->token)); 40 if (ret != sizeof(t->token)) { 41 D("Error generating token ret=%d\n", ret); 42 return; 43 } 44 45 p = get_apacket(); 46 memcpy(p->data, t->token, ret); 47 p->msg.command = A_AUTH; 48 p->msg.arg0 = ADB_AUTH_TOKEN; 49 p->msg.data_length = ret; 50 send_packet(p, t); 51 } 52 53 void send_auth_response(uint8_t *token, size_t token_size, atransport *t) 54 { 55 D("Calling send_auth_response\n"); 56 apacket *p = get_apacket(); 57 int ret; 58 59 ret = adb_auth_sign(t->key, token, token_size, p->data); 60 if (!ret) { 61 D("Error signing the token\n"); 62 put_apacket(p); 63 return; 64 } 65 66 p->msg.command = A_AUTH; 67 p->msg.arg0 = ADB_AUTH_SIGNATURE; 68 p->msg.data_length = ret; 69 send_packet(p, t); 70 } 71 72 void send_auth_publickey(atransport *t) 73 { 74 D("Calling send_auth_publickey\n"); 75 apacket *p = get_apacket(); 76 int ret; 77 78 ret = adb_auth_get_userkey(p->data, sizeof(p->data)); 79 if (!ret) { 80 D("Failed to get user public key\n"); 81 put_apacket(p); 82 return; 83 } 84 85 p->msg.command = A_AUTH; 86 p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY; 87 p->msg.data_length = ret; 88 send_packet(p, t); 89 } 90 91 void adb_auth_verified(atransport *t) 92 { 93 handle_online(t); 94 send_connect(t); 95 } 96