1 /*
2  * Copyright (C) 2021 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 /* 'system/nfc/src/fuzzers/ce/stubs.cc' is used as reference to come up with file */
18 
19 #include "fuzz_cmn.h"
20 
21 // These are the functions implemented elsewhere in the NFC code. Our fuzzing
22 // doesn't need them. To avoid pulling into more source code we simply stub
23 // them out.
24 
25 tNFA_PROPRIETARY_CFG nfa_proprietary_cfg = {
26         0x80, /* NCI_PROTOCOL_18092_ACTIVE */
27         0x81, /* NCI_PROTOCOL_B_PRIME */
28         0x82, /* NCI_PROTOCOL_DUAL */
29         0x83, /* NCI_PROTOCOL_15693 */
30         0x8A, /* NCI_PROTOCOL_KOVIO */
31         0xFF, /* NCI_PROTOCOL_MIFARE */
32         0x77, /* NCI_DISCOVERY_TYPE_POLL_KOVIO */
33         0x74, /* NCI_DISCOVERY_TYPE_POLL_B_PRIME */
34         0xF4, /* NCI_DISCOVERY_TYPE_LISTEN_B_PRIME */
35 };
36 
37 tNFA_PROPRIETARY_CFG* p_nfa_proprietary_cfg = (tNFA_PROPRIETARY_CFG*)&nfa_proprietary_cfg;
38 
nfc_start_quick_timer(TIMER_LIST_ENT *,uint16_t,uint32_t)39 void nfc_start_quick_timer(TIMER_LIST_ENT*, uint16_t, uint32_t) {}
nfc_stop_timer(TIMER_LIST_ENT *)40 void nfc_stop_timer(TIMER_LIST_ENT*) {}
nfc_stop_quick_timer(TIMER_LIST_ENT *)41 void nfc_stop_quick_timer(TIMER_LIST_ENT*) {}
NFC_GetNCIVersion()42 uint8_t NFC_GetNCIVersion() {
43     return NCI_VERSION_2_0;
44 }
45 
NFC_SendData(uint8_t conn_id,NFC_HDR * p_data)46 tNFC_STATUS NFC_SendData(uint8_t conn_id, NFC_HDR* p_data) {
47     uint8_t* p = (uint8_t*)(p_data + 1) + p_data->offset;
48     uint8_t len = (uint8_t)p_data->len;
49 
50     FUZZLOG("conn_id=%d, data=%s", conn_id, BytesToHex(p, len).c_str());
51     GKI_freebuf(p_data);
52     return NFC_STATUS_OK;
53 }
54 
nci_snd_t3t_polling(uint16_t system_code,uint8_t rc,uint8_t tsn)55 uint8_t nci_snd_t3t_polling(uint16_t system_code, uint8_t rc, uint8_t tsn) {
56     FUZZLOG("sc=%04X, rc=%02X, tsn=%02X", system_code, rc, tsn);
57     return NFC_STATUS_OK;
58 }
59 
60 tNFC_CONN_CBACK* rf_cback = nullptr;
NFC_SetStaticRfCback(tNFC_CONN_CBACK * p_cback)61 void NFC_SetStaticRfCback(tNFC_CONN_CBACK* p_cback) {
62     rf_cback = p_cback;
63 }
64 
NFC_ISODEPNakPresCheck()65 tNFC_STATUS NFC_ISODEPNakPresCheck() {
66     return NFC_STATUS_OK;
67 }
68 
NFC_GetStatusName(tNFC_STATUS status)69 std::string NFC_GetStatusName(tNFC_STATUS status) {
70     switch (status) {
71         case NFC_STATUS_OK:
72             return "OK";
73         case NFC_STATUS_REJECTED:
74             return "REJECTED";
75         case NFC_STATUS_MSG_CORRUPTED:
76             return "CORRUPTED";
77         case NFC_STATUS_BUFFER_FULL:
78             return "BUFFER_FULL";
79         case NFC_STATUS_FAILED:
80             return "FAILED";
81         case NFC_STATUS_NOT_INITIALIZED:
82             return "NOT_INITIALIZED";
83         case NFC_STATUS_SYNTAX_ERROR:
84             return "SYNTAX_ERROR";
85         case NFC_STATUS_SEMANTIC_ERROR:
86             return "SEMANTIC_ERROR";
87         case NFC_STATUS_UNKNOWN_GID:
88             return "UNKNOWN_GID";
89         case NFC_STATUS_UNKNOWN_OID:
90             return "UNKNOWN_OID";
91         case NFC_STATUS_INVALID_PARAM:
92             return "INVALID_PARAM";
93         case NFC_STATUS_MSG_SIZE_TOO_BIG:
94             return "MSG_SIZE_TOO_BIG";
95         case NFC_STATUS_ALREADY_STARTED:
96             return "ALREADY_STARTED";
97         case NFC_STATUS_ACTIVATION_FAILED:
98             return "ACTIVATION_FAILED";
99         case NFC_STATUS_TEAR_DOWN:
100             return "TEAR_DOWN";
101         case NFC_STATUS_RF_TRANSMISSION_ERR:
102             return "RF_TRANSMISSION_ERR";
103         case NFC_STATUS_RF_PROTOCOL_ERR:
104             return "RF_PROTOCOL_ERR";
105         case NFC_STATUS_TIMEOUT:
106             return "TIMEOUT";
107         case NFC_STATUS_EE_INTF_ACTIVE_FAIL:
108             return "EE_INTF_ACTIVE_FAIL";
109         case NFC_STATUS_EE_TRANSMISSION_ERR:
110             return "EE_TRANSMISSION_ERR";
111         case NFC_STATUS_EE_PROTOCOL_ERR:
112             return "EE_PROTOCOL_ERR";
113         case NFC_STATUS_EE_TIMEOUT:
114             return "EE_TIMEOUT";
115         case NFC_STATUS_CMD_STARTED:
116             return "CMD_STARTED";
117         case NFC_STATUS_HW_TIMEOUT:
118             return "HW_TIMEOUT";
119         case NFC_STATUS_CONTINUE:
120             return "CONTINUE";
121         case NFC_STATUS_REFUSED:
122             return "REFUSED";
123         case NFC_STATUS_BAD_RESP:
124             return "BAD_RESP";
125         case NFC_STATUS_CMD_NOT_CMPLTD:
126             return "CMD_CMPLTD";
127         case NFC_STATUS_NO_BUFFERS:
128             return "NO_BUFFERS";
129         case NFC_STATUS_WRONG_PROTOCOL:
130             return "WRONG_PROTOCOL";
131         case NFC_STATUS_BUSY:
132             return "BUSY";
133         case NFC_STATUS_LINK_LOSS:
134             return "LINK_LOSS";
135         case NFC_STATUS_BAD_LENGTH:
136             return "BAD_LENGTH";
137         case NFC_STATUS_BAD_HANDLE:
138             return "BAD_HANDLE";
139         case NFC_STATUS_CONGESTED:
140             return "CONGESTED";
141         default:
142             return "UNKNOWN";
143     }
144 }
145