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
send_auth_request(atransport * t)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
send_auth_response(uint8_t * token,size_t token_size,atransport * t)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
send_auth_publickey(atransport * t)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
adb_auth_verified(atransport * t)91 void adb_auth_verified(atransport *t)
92 {
93 handle_online(t);
94 send_connect(t);
95 }
96