1 /*
2 * le.c
3 *
4 * Copyright (c) 2015 Takanori Watanabe <takawata@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $Id: hccontrol.c,v 1.5 2003/09/05 00:38:24 max Exp $
29 * $FreeBSD$
30 */
31
32 #include <sys/types.h>
33 #include <sys/ioctl.h>
34 #include <sys/sysctl.h>
35 #include <sys/bitstring.h>
36 #include <sys/select.h>
37 #include <assert.h>
38 #include <err.h>
39 #include <errno.h>
40 #include <netgraph/ng_message.h>
41 #include <errno.h>
42 #include <stdio.h>
43 #include <stdlib.h>
44 #include <string.h>
45 #include <unistd.h>
46 #include <stdint.h>
47 #define L2CAP_SOCKET_CHECKED
48 #include <bluetooth.h>
49 #include "hccontrol.h"
50
51 static int le_set_scan_param(int s, int argc, char *argv[]);
52 static int le_set_scan_enable(int s, int argc, char *argv[]);
53 static int parse_param(int argc, char *argv[], char *buf, int *len);
54 static int le_set_scan_response(int s, int argc, char *argv[]);
55 static int le_read_supported_status(int s, int argc, char *argv[]);
56 static int le_read_local_supported_features(int s, int argc ,char *argv[]);
57 static int set_le_event_mask(int s, uint64_t mask);
58 static int set_event_mask(int s, uint64_t mask);
59 static int le_enable(int s, int argc, char *argv[]);
60
61 static int
le_set_scan_param(int s,int argc,char * argv[])62 le_set_scan_param(int s, int argc, char *argv[])
63 {
64 int type;
65 int interval;
66 int window;
67 int adrtype;
68 int policy;
69 int e, n;
70
71 ng_hci_le_set_scan_parameters_cp cp;
72 ng_hci_le_set_scan_parameters_rp rp;
73
74 if (argc != 5)
75 return USAGE;
76
77 if (strcmp(argv[0], "active") == 0)
78 type = 1;
79 else if (strcmp(argv[0], "passive") == 0)
80 type = 0;
81 else
82 return USAGE;
83
84 interval = (int)(atof(argv[1])/0.625);
85 interval = (interval < 4)? 4: interval;
86 window = (int)(atof(argv[2])/0.625);
87 window = (window < 4) ? 4 : interval;
88
89 if (strcmp(argv[3], "public") == 0)
90 adrtype = 0;
91 else if (strcmp(argv[3], "random") == 0)
92 adrtype = 1;
93 else
94 return USAGE;
95
96 if (strcmp(argv[4], "all") == 0)
97 policy = 0;
98 else if (strcmp(argv[4], "whitelist") == 0)
99 policy = 1;
100 else
101 return USAGE;
102
103 cp.le_scan_type = type;
104 cp.le_scan_interval = interval;
105 cp.own_address_type = adrtype;
106 cp.le_scan_window = window;
107 cp.scanning_filter_policy = policy;
108 n = sizeof(rp);
109 e = hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LE,
110 NG_HCI_OCF_LE_SET_SCAN_PARAMETERS),
111 (void *)&cp, sizeof(cp), (void *)&rp, &n);
112
113 return 0;
114 }
115
116 static int
le_set_scan_enable(int s,int argc,char * argv[])117 le_set_scan_enable(int s, int argc, char *argv[])
118 {
119 ng_hci_le_set_scan_enable_cp cp;
120 ng_hci_le_set_scan_enable_rp rp;
121 int e, n, enable = 0;
122
123 if (argc != 1)
124 return USAGE;
125
126 if (strcmp(argv[0], "enable") == 0)
127 enable = 1;
128 else if (strcmp(argv[0], "disable") != 0)
129 return USAGE;
130
131 n = sizeof(rp);
132 cp.le_scan_enable = enable;
133 cp.filter_duplicates = 0;
134 e = hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LE,
135 NG_HCI_OCF_LE_SET_SCAN_ENABLE),
136 (void *)&cp, sizeof(cp), (void *)&rp, &n);
137
138 if (e != 0 || rp.status != 0)
139 return ERROR;
140
141 return OK;
142 }
143
144 static int
parse_param(int argc,char * argv[],char * buf,int * len)145 parse_param(int argc, char *argv[], char *buf, int *len)
146 {
147 char *buflast = buf + (*len);
148 char *curbuf = buf;
149 char *token,*lenpos;
150 int ch;
151 int datalen;
152 uint16_t value;
153 optreset = 1;
154 optind = 0;
155 while ((ch = getopt(argc, argv , "n:f:u:")) != -1) {
156 switch(ch){
157 case 'n':
158 datalen = strlen(optarg);
159 if ((curbuf + datalen + 2) >= buflast)
160 goto done;
161 curbuf[0] = datalen + 1;
162 curbuf[1] = 8;
163 curbuf += 2;
164 memcpy(curbuf, optarg, datalen);
165 curbuf += datalen;
166 break;
167 case 'f':
168 if (curbuf+3 > buflast)
169 goto done;
170 curbuf[0] = 2;
171 curbuf[1] = 1;
172 curbuf[2] = atoi(optarg);
173 curbuf += 3;
174 break;
175 case 'u':
176 lenpos = buf;
177 if ((buf+2) >= buflast)
178 goto done;
179 curbuf[1] = 2;
180 *lenpos = 1;
181 curbuf += 2;
182 while ((token = strsep(&optarg, ",")) != NULL) {
183 value = strtol(token, NULL, 16);
184 if ((curbuf+2) >= buflast)
185 break;
186 curbuf[0] = value &0xff;
187 curbuf[1] = (value>>8)&0xff;
188 curbuf += 2;
189 }
190
191 }
192 }
193 done:
194 *len = curbuf - buf;
195
196 return OK;
197 }
198
199 static int
le_set_scan_response(int s,int argc,char * argv[])200 le_set_scan_response(int s, int argc, char *argv[])
201 {
202 ng_hci_le_set_scan_response_data_cp cp;
203 ng_hci_le_set_scan_response_data_rp rp;
204 int n;
205 int e;
206 int len;
207 char buf[NG_HCI_ADVERTISING_DATA_SIZE];
208
209 len = sizeof(buf);
210 parse_param(argc, argv, buf, &len);
211 memset(cp.scan_response_data, 0, sizeof(cp.scan_response_data));
212 cp.scan_response_data_length = len;
213 memcpy(cp.scan_response_data, buf, len);
214 n = sizeof(rp);
215 e = hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LE,
216 NG_HCI_OCF_LE_SET_SCAN_RESPONSE_DATA),
217 (void *)&cp, sizeof(cp), (void *)&rp, &n);
218
219 printf("SET SCAN RESPONSE %d %d %d\n", e, rp.status, n);
220
221 return OK;
222 }
223
224 static int
le_read_local_supported_features(int s,int argc,char * argv[])225 le_read_local_supported_features(int s, int argc ,char *argv[])
226 {
227 ng_hci_le_read_local_supported_features_rp rp;
228 int e;
229 int n = sizeof(rp);
230
231 e = hci_simple_request(s,
232 NG_HCI_OPCODE(NG_HCI_OGF_LE,
233 NG_HCI_OCF_LE_READ_LOCAL_SUPPORTED_FEATURES),
234 (void *)&rp, &n);
235
236 printf("LOCAL SUPPORTED: %d %d %jx\n", e, rp.status,
237 (uintmax_t) rp.le_features);
238
239 return 0;
240 }
241
242 static int
le_read_supported_status(int s,int argc,char * argv[])243 le_read_supported_status(int s, int argc, char *argv[])
244 {
245 ng_hci_le_read_supported_status_rp rp;
246 int e;
247 int n = sizeof(rp);
248
249 e = hci_simple_request(s, NG_HCI_OPCODE(
250 NG_HCI_OGF_LE,
251 NG_HCI_OCF_LE_READ_SUPPORTED_STATUS),
252 (void *)&rp, &n);
253
254 printf("LE_STATUS: %d %d %jx\n", e, rp.status, (uintmax_t)rp.le_status);
255
256 return 0;
257 }
258
259 static int
set_le_event_mask(int s,uint64_t mask)260 set_le_event_mask(int s, uint64_t mask)
261 {
262 ng_hci_le_set_event_mask_cp semc;
263 ng_hci_le_set_event_mask_rp rp;
264 int i, n ,e;
265
266 n = sizeof(rp);
267
268 for (i=0; i < NG_HCI_LE_EVENT_MASK_SIZE; i++) {
269 semc.event_mask[i] = mask&0xff;
270 mask >>= 8;
271 }
272 e = hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_LE,
273 NG_HCI_OCF_LE_SET_EVENT_MASK),
274 (void *)&semc, sizeof(semc), (void *)&rp, &n);
275
276 return 0;
277 }
278
279 static int
set_event_mask(int s,uint64_t mask)280 set_event_mask(int s, uint64_t mask)
281 {
282 ng_hci_set_event_mask_cp semc;
283 ng_hci_set_event_mask_rp rp;
284 int i, n, e;
285
286 n = sizeof(rp);
287
288 for (i=0; i < NG_HCI_EVENT_MASK_SIZE; i++) {
289 semc.event_mask[i] = mask&0xff;
290 mask >>= 8;
291 }
292 e = hci_request(s, NG_HCI_OPCODE(NG_HCI_OGF_HC_BASEBAND,
293 NG_HCI_OCF_SET_EVENT_MASK),
294 (void *)&semc, sizeof(semc), (void *)&rp, &n);
295
296 return 0;
297 }
298
299 static
le_enable(int s,int argc,char * argv[])300 int le_enable(int s, int argc, char *argv[])
301 {
302 if (argc != 1)
303 return USAGE;
304
305 if (strcasecmp(argv[0], "enable") == 0) {
306 set_event_mask(s, NG_HCI_EVENT_MASK_DEFAULT |
307 NG_HCI_EVENT_MASK_LE);
308 set_le_event_mask(s, NG_HCI_LE_EVENT_MASK_ALL);
309 } else if (strcasecmp(argv[0], "disble") == 0)
310 set_event_mask(s, NG_HCI_EVENT_MASK_DEFAULT);
311 else
312 return USAGE;
313
314 return OK;
315 }
316
317 struct hci_command le_commands[] = {
318 {
319 "le_enable",
320 "le_enable [enable|disable] \n"
321 "Enable LE event ",
322 &le_enable,
323 },
324 {
325 "le_read_local_supported_features",
326 "le_read_local_supported_features\n"
327 "read local supported features mask",
328 &le_read_local_supported_features,
329 },
330 {
331 "le_read_supported_status",
332 "le_read_supported_status\n"
333 "read supported status"
334 ,
335 &le_read_supported_status,
336 },
337 {
338 "le_set_scan_response",
339 "le_set_scan_response -n $name -f $flag -u $uuid16,$uuid16 \n"
340 "set LE scan response data"
341 ,
342 &le_set_scan_response,
343 },
344 {
345 "le_set_scan_enable",
346 "le_set_scan_enable [enable|disable] \n"
347 "enable or disable LE device scan",
348 &le_set_scan_enable
349 },
350 {
351 "le_set_scan_param",
352 "le_set_scan_param [active|passive] interval(ms) window(ms) [public|random] [all|whitelist] \n"
353 "set LE device scan parameter",
354 &le_set_scan_param
355 },
356 };
357