1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Copyright (C) 2021 Samsung Electrnoics |
4 | * Bongsu Jeon <bongsu.jeon@samsung.com> |
5 | * |
6 | * Test code for nci |
7 | */ |
8 | |
9 | #include <stdlib.h> |
10 | #include <errno.h> |
11 | #include <string.h> |
12 | #include <sys/ioctl.h> |
13 | #include <fcntl.h> |
14 | #include <pthread.h> |
15 | #include <linux/genetlink.h> |
16 | #include <sys/socket.h> |
17 | #include <linux/nfc.h> |
18 | |
19 | #include "../kselftest_harness.h" |
20 | |
21 | #define GENLMSG_DATA(glh) ((void *)(NLMSG_DATA(glh) + GENL_HDRLEN)) |
22 | #define GENLMSG_PAYLOAD(glh) (NLMSG_PAYLOAD(glh, 0) - GENL_HDRLEN) |
23 | #define NLA_DATA(na) ((void *)((char *)(na) + NLA_HDRLEN)) |
24 | #define NLA_PAYLOAD(len) ((len) - NLA_HDRLEN) |
25 | |
26 | #define MAX_MSG_SIZE 1024 |
27 | |
28 | #define IOCTL_GET_NCIDEV_IDX 0 |
29 | #define VIRTUAL_NFC_PROTOCOLS (NFC_PROTO_JEWEL_MASK | \ |
30 | NFC_PROTO_MIFARE_MASK | \ |
31 | NFC_PROTO_FELICA_MASK | \ |
32 | NFC_PROTO_ISO14443_MASK | \ |
33 | NFC_PROTO_ISO14443_B_MASK | \ |
34 | NFC_PROTO_ISO15693_MASK) |
35 | |
36 | const __u8 nci_reset_cmd[] = {0x20, 0x00, 0x01, 0x01}; |
37 | const __u8 nci_init_cmd[] = {0x20, 0x01, 0x00}; |
38 | const __u8 nci_rf_discovery_cmd[] = {0x21, 0x03, 0x09, 0x04, 0x00, 0x01, |
39 | 0x01, 0x01, 0x02, 0x01, 0x06, 0x01}; |
40 | const __u8 nci_init_cmd_v2[] = {0x20, 0x01, 0x02, 0x00, 0x00}; |
41 | const __u8 nci_rf_disc_map_cmd[] = {0x21, 0x00, 0x07, 0x02, 0x04, 0x03, |
42 | 0x02, 0x05, 0x03, 0x03}; |
43 | const __u8 nci_rf_deact_cmd[] = {0x21, 0x06, 0x01, 0x00}; |
44 | const __u8 nci_reset_rsp[] = {0x40, 0x00, 0x03, 0x00, 0x10, 0x01}; |
45 | const __u8 nci_reset_rsp_v2[] = {0x40, 0x00, 0x01, 0x00}; |
46 | const __u8 nci_reset_ntf[] = {0x60, 0x00, 0x09, 0x02, 0x01, 0x20, 0x0e, |
47 | 0x04, 0x61, 0x00, 0x04, 0x02}; |
48 | const __u8 nci_init_rsp[] = {0x40, 0x01, 0x14, 0x00, 0x02, 0x0e, 0x02, |
49 | 0x00, 0x03, 0x01, 0x02, 0x03, 0x02, 0xc8, |
50 | 0x00, 0xff, 0x10, 0x00, 0x0e, 0x12, 0x00, |
51 | 0x00, 0x04}; |
52 | const __u8 nci_init_rsp_v2[] = {0x40, 0x01, 0x1c, 0x00, 0x1a, 0x7e, 0x06, |
53 | 0x00, 0x02, 0x92, 0x04, 0xff, 0xff, 0x01, |
54 | 0x00, 0x40, 0x06, 0x00, 0x00, 0x01, 0x01, |
55 | 0x00, 0x02, 0x00, 0x03, 0x01, 0x01, 0x06, |
56 | 0x00, 0x80, 0x00}; |
57 | const __u8 nci_rf_disc_map_rsp[] = {0x41, 0x00, 0x01, 0x00}; |
58 | const __u8 nci_rf_disc_rsp[] = {0x41, 0x03, 0x01, 0x00}; |
59 | const __u8 nci_rf_deact_rsp[] = {0x41, 0x06, 0x01, 0x00}; |
60 | const __u8 nci_rf_deact_ntf[] = {0x61, 0x06, 0x02, 0x00, 0x00}; |
61 | const __u8 nci_rf_activate_ntf[] = {0x61, 0x05, 0x1D, 0x01, 0x02, 0x04, 0x00, |
62 | 0xFF, 0xFF, 0x0C, 0x44, 0x03, 0x07, 0x04, |
63 | 0x62, 0x26, 0x11, 0x80, 0x1D, 0x80, 0x01, |
64 | 0x20, 0x00, 0x00, 0x00, 0x06, 0x05, 0x75, |
65 | 0x77, 0x81, 0x02, 0x80}; |
66 | const __u8 nci_t4t_select_cmd[] = {0x00, 0x00, 0x0C, 0x00, 0xA4, 0x04, 0x00, |
67 | 0x07, 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01}; |
68 | const __u8 nci_t4t_select_cmd2[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02, |
69 | 0xE1, 0x03}; |
70 | const __u8 nci_t4t_select_cmd3[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02, |
71 | 0xE1, 0x04}; |
72 | const __u8 nci_t4t_read_cmd[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x0F}; |
73 | const __u8 nci_t4t_read_rsp[] = {0x00, 0x00, 0x11, 0x00, 0x0F, 0x20, 0x00, 0x3B, |
74 | 0x00, 0x34, 0x04, 0x06, 0xE1, 0x04, 0x08, 0x00, |
75 | 0x00, 0x00, 0x90, 0x00}; |
76 | const __u8 nci_t4t_read_cmd2[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x02}; |
77 | const __u8 nci_t4t_read_rsp2[] = {0x00, 0x00, 0x04, 0x00, 0x0F, 0x90, 0x00}; |
78 | const __u8 nci_t4t_read_cmd3[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x02, 0x0F}; |
79 | const __u8 nci_t4t_read_rsp3[] = {0x00, 0x00, 0x11, 0xD1, 0x01, 0x0B, 0x54, 0x02, |
80 | 0x65, 0x6E, 0x4E, 0x46, 0x43, 0x20, 0x54, 0x45, |
81 | 0x53, 0x54, 0x90, 0x00}; |
82 | const __u8 nci_t4t_rsp_ok[] = {0x00, 0x00, 0x02, 0x90, 0x00}; |
83 | |
84 | struct msgtemplate { |
85 | struct nlmsghdr n; |
86 | struct genlmsghdr g; |
87 | char buf[MAX_MSG_SIZE]; |
88 | }; |
89 | |
90 | static int create_nl_socket(void) |
91 | { |
92 | int fd; |
93 | struct sockaddr_nl local; |
94 | |
95 | fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC); |
96 | if (fd < 0) |
97 | return -1; |
98 | |
99 | memset(&local, 0, sizeof(local)); |
100 | local.nl_family = AF_NETLINK; |
101 | |
102 | if (bind(fd, (struct sockaddr *)&local, sizeof(local)) < 0) |
103 | goto error; |
104 | |
105 | return fd; |
106 | error: |
107 | close(fd); |
108 | return -1; |
109 | } |
110 | |
111 | static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid, |
112 | __u8 genl_cmd, int nla_num, __u16 nla_type[], |
113 | void *nla_data[], int nla_len[], __u16 flags) |
114 | { |
115 | struct sockaddr_nl nladdr; |
116 | struct msgtemplate msg; |
117 | struct nlattr *na; |
118 | int cnt, prv_len; |
119 | int r, buflen; |
120 | char *buf; |
121 | |
122 | msg.n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN); |
123 | msg.n.nlmsg_type = nlmsg_type; |
124 | msg.n.nlmsg_flags = flags; |
125 | msg.n.nlmsg_seq = 0; |
126 | msg.n.nlmsg_pid = nlmsg_pid; |
127 | msg.g.cmd = genl_cmd; |
128 | msg.g.version = 0x1; |
129 | |
130 | prv_len = 0; |
131 | for (cnt = 0; cnt < nla_num; cnt++) { |
132 | na = (struct nlattr *)(GENLMSG_DATA(&msg) + prv_len); |
133 | na->nla_type = nla_type[cnt]; |
134 | na->nla_len = nla_len[cnt] + NLA_HDRLEN; |
135 | |
136 | if (nla_len[cnt] > 0) |
137 | memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]); |
138 | |
139 | prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN; |
140 | msg.n.nlmsg_len += prv_len; |
141 | } |
142 | |
143 | buf = (char *)&msg; |
144 | buflen = msg.n.nlmsg_len; |
145 | memset(&nladdr, 0, sizeof(nladdr)); |
146 | nladdr.nl_family = AF_NETLINK; |
147 | |
148 | while ((r = sendto(sd, buf, buflen, 0, (struct sockaddr *)&nladdr, |
149 | sizeof(nladdr))) < buflen) { |
150 | if (r > 0) { |
151 | buf += r; |
152 | buflen -= r; |
153 | } else if (errno != EAGAIN) { |
154 | return -1; |
155 | } |
156 | } |
157 | return 0; |
158 | } |
159 | |
160 | static int send_get_nfc_family(int sd, __u32 pid) |
161 | { |
162 | __u16 nla_get_family_type = CTRL_ATTR_FAMILY_NAME; |
163 | void *nla_get_family_data; |
164 | int nla_get_family_len; |
165 | char family_name[100]; |
166 | |
167 | nla_get_family_len = strlen(NFC_GENL_NAME) + 1; |
168 | strcpy(p: family_name, NFC_GENL_NAME); |
169 | nla_get_family_data = family_name; |
170 | |
171 | return send_cmd_mt_nla(sd, GENL_ID_CTRL, nlmsg_pid: pid, genl_cmd: CTRL_CMD_GETFAMILY, |
172 | nla_num: 1, nla_type: &nla_get_family_type, nla_data: &nla_get_family_data, |
173 | nla_len: &nla_get_family_len, NLM_F_REQUEST); |
174 | } |
175 | |
176 | static int get_family_id(int sd, __u32 pid, __u32 *event_group) |
177 | { |
178 | struct { |
179 | struct nlmsghdr n; |
180 | struct genlmsghdr g; |
181 | char buf[512]; |
182 | } ans; |
183 | struct nlattr *na; |
184 | int resp_len; |
185 | __u16 id; |
186 | int len; |
187 | int rc; |
188 | |
189 | rc = send_get_nfc_family(sd, pid); |
190 | |
191 | if (rc < 0) |
192 | return 0; |
193 | |
194 | resp_len = recv(sd, &ans, sizeof(ans), 0); |
195 | |
196 | if (ans.n.nlmsg_type == NLMSG_ERROR || resp_len < 0 || |
197 | !NLMSG_OK(&ans.n, resp_len)) |
198 | return 0; |
199 | |
200 | len = 0; |
201 | resp_len = GENLMSG_PAYLOAD(&ans.n); |
202 | na = (struct nlattr *)GENLMSG_DATA(&ans); |
203 | |
204 | while (len < resp_len) { |
205 | len += NLA_ALIGN(na->nla_len); |
206 | if (na->nla_type == CTRL_ATTR_FAMILY_ID) { |
207 | id = *(__u16 *)NLA_DATA(na); |
208 | } else if (na->nla_type == CTRL_ATTR_MCAST_GROUPS) { |
209 | struct nlattr *nested_na; |
210 | struct nlattr *group_na; |
211 | int group_attr_len; |
212 | int group_attr; |
213 | |
214 | nested_na = (struct nlattr *)((char *)na + NLA_HDRLEN); |
215 | group_na = (struct nlattr *)((char *)nested_na + NLA_HDRLEN); |
216 | group_attr_len = 0; |
217 | |
218 | for (group_attr = CTRL_ATTR_MCAST_GRP_UNSPEC; |
219 | group_attr < CTRL_ATTR_MCAST_GRP_MAX; group_attr++) { |
220 | if (group_na->nla_type == CTRL_ATTR_MCAST_GRP_ID) { |
221 | *event_group = *(__u32 *)((char *)group_na + |
222 | NLA_HDRLEN); |
223 | break; |
224 | } |
225 | |
226 | group_attr_len += NLA_ALIGN(group_na->nla_len) + |
227 | NLA_HDRLEN; |
228 | if (group_attr_len >= nested_na->nla_len) |
229 | break; |
230 | |
231 | group_na = (struct nlattr *)((char *)group_na + |
232 | NLA_ALIGN(group_na->nla_len)); |
233 | } |
234 | } |
235 | na = (struct nlattr *)(GENLMSG_DATA(&ans) + len); |
236 | } |
237 | return id; |
238 | } |
239 | |
240 | static int send_cmd_with_idx(int sd, __u16 nlmsg_type, __u32 nlmsg_pid, |
241 | __u8 genl_cmd, int dev_id) |
242 | { |
243 | __u16 nla_type = NFC_ATTR_DEVICE_INDEX; |
244 | void *nla_data = &dev_id; |
245 | int nla_len = 4; |
246 | |
247 | return send_cmd_mt_nla(sd, nlmsg_type, nlmsg_pid, genl_cmd, nla_num: 1, |
248 | nla_type: &nla_type, nla_data: &nla_data, nla_len: &nla_len, NLM_F_REQUEST); |
249 | } |
250 | |
251 | static int get_nci_devid(int sd, __u16 fid, __u32 pid, int dev_id, struct msgtemplate *msg) |
252 | { |
253 | int rc, resp_len; |
254 | |
255 | rc = send_cmd_with_idx(sd, nlmsg_type: fid, nlmsg_pid: pid, genl_cmd: NFC_CMD_GET_DEVICE, dev_id); |
256 | if (rc < 0) { |
257 | rc = -1; |
258 | goto error; |
259 | } |
260 | |
261 | resp_len = recv(sd, msg, sizeof(*msg), 0); |
262 | if (resp_len < 0) { |
263 | rc = -2; |
264 | goto error; |
265 | } |
266 | |
267 | if (msg->n.nlmsg_type == NLMSG_ERROR || |
268 | !NLMSG_OK(&msg->n, resp_len)) { |
269 | rc = -3; |
270 | goto error; |
271 | } |
272 | |
273 | return 0; |
274 | error: |
275 | return rc; |
276 | } |
277 | |
278 | static __u8 get_dev_enable_state(struct msgtemplate *msg) |
279 | { |
280 | struct nlattr *na; |
281 | int resp_len; |
282 | int len; |
283 | |
284 | resp_len = GENLMSG_PAYLOAD(&msg->n); |
285 | na = (struct nlattr *)GENLMSG_DATA(msg); |
286 | len = 0; |
287 | |
288 | while (len < resp_len) { |
289 | len += NLA_ALIGN(na->nla_len); |
290 | if (na->nla_type == NFC_ATTR_DEVICE_POWERED) |
291 | return *(char *)NLA_DATA(na); |
292 | na = (struct nlattr *)(GENLMSG_DATA(msg) + len); |
293 | } |
294 | |
295 | return resp_len; |
296 | } |
297 | |
298 | FIXTURE(NCI) { |
299 | int virtual_nci_fd; |
300 | bool open_state; |
301 | int dev_idex; |
302 | bool isNCI2; |
303 | int proto; |
304 | __u32 pid; |
305 | __u16 fid; |
306 | int sd; |
307 | }; |
308 | |
309 | FIXTURE_VARIANT(NCI) { |
310 | bool isNCI2; |
311 | }; |
312 | |
313 | FIXTURE_VARIANT_ADD(NCI, NCI1_0) { |
314 | .isNCI2 = false, |
315 | }; |
316 | |
317 | FIXTURE_VARIANT_ADD(NCI, NCI2_0) { |
318 | .isNCI2 = true, |
319 | }; |
320 | |
321 | static void *virtual_dev_open(void *data) |
322 | { |
323 | char buf[258]; |
324 | int dev_fd; |
325 | int len; |
326 | |
327 | dev_fd = *(int *)data; |
328 | |
329 | len = read(dev_fd, buf, 258); |
330 | if (len <= 0) |
331 | goto error; |
332 | if (len != sizeof(nci_reset_cmd)) |
333 | goto error; |
334 | if (memcmp(p: nci_reset_cmd, q: buf, size: len)) |
335 | goto error; |
336 | write(dev_fd, nci_reset_rsp, sizeof(nci_reset_rsp)); |
337 | |
338 | len = read(dev_fd, buf, 258); |
339 | if (len <= 0) |
340 | goto error; |
341 | if (len != sizeof(nci_init_cmd)) |
342 | goto error; |
343 | if (memcmp(p: nci_init_cmd, q: buf, size: len)) |
344 | goto error; |
345 | write(dev_fd, nci_init_rsp, sizeof(nci_init_rsp)); |
346 | |
347 | len = read(dev_fd, buf, 258); |
348 | if (len <= 0) |
349 | goto error; |
350 | if (len != sizeof(nci_rf_disc_map_cmd)) |
351 | goto error; |
352 | if (memcmp(p: nci_rf_disc_map_cmd, q: buf, size: len)) |
353 | goto error; |
354 | write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp)); |
355 | |
356 | return (void *)0; |
357 | error: |
358 | return (void *)-1; |
359 | } |
360 | |
361 | static void *virtual_dev_open_v2(void *data) |
362 | { |
363 | char buf[258]; |
364 | int dev_fd; |
365 | int len; |
366 | |
367 | dev_fd = *(int *)data; |
368 | |
369 | len = read(dev_fd, buf, 258); |
370 | if (len <= 0) |
371 | goto error; |
372 | if (len != sizeof(nci_reset_cmd)) |
373 | goto error; |
374 | if (memcmp(p: nci_reset_cmd, q: buf, size: len)) |
375 | goto error; |
376 | write(dev_fd, nci_reset_rsp_v2, sizeof(nci_reset_rsp_v2)); |
377 | write(dev_fd, nci_reset_ntf, sizeof(nci_reset_ntf)); |
378 | |
379 | len = read(dev_fd, buf, 258); |
380 | if (len <= 0) |
381 | goto error; |
382 | if (len != sizeof(nci_init_cmd_v2)) |
383 | goto error; |
384 | if (memcmp(p: nci_init_cmd_v2, q: buf, size: len)) |
385 | goto error; |
386 | write(dev_fd, nci_init_rsp_v2, sizeof(nci_init_rsp_v2)); |
387 | |
388 | len = read(dev_fd, buf, 258); |
389 | if (len <= 0) |
390 | goto error; |
391 | if (len != sizeof(nci_rf_disc_map_cmd)) |
392 | goto error; |
393 | if (memcmp(p: nci_rf_disc_map_cmd, q: buf, size: len)) |
394 | goto error; |
395 | write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp)); |
396 | |
397 | return (void *)0; |
398 | error: |
399 | return (void *)-1; |
400 | } |
401 | |
402 | FIXTURE_SETUP(NCI) |
403 | { |
404 | struct msgtemplate msg; |
405 | pthread_t thread_t; |
406 | __u32 event_group; |
407 | int status; |
408 | int rc; |
409 | |
410 | self->open_state = false; |
411 | self->proto = VIRTUAL_NFC_PROTOCOLS; |
412 | self->isNCI2 = variant->isNCI2; |
413 | |
414 | self->sd = create_nl_socket(); |
415 | ASSERT_NE(self->sd, -1); |
416 | |
417 | self->pid = getpid(); |
418 | self->fid = get_family_id(sd: self->sd, pid: self->pid, event_group: &event_group); |
419 | ASSERT_NE(self->fid, -1); |
420 | |
421 | self->virtual_nci_fd = open("/dev/virtual_nci" , O_RDWR); |
422 | ASSERT_GT(self->virtual_nci_fd, -1); |
423 | |
424 | rc = setsockopt(self->sd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &event_group, |
425 | sizeof(event_group)); |
426 | ASSERT_NE(rc, -1); |
427 | |
428 | rc = ioctl(self->virtual_nci_fd, IOCTL_GET_NCIDEV_IDX, &self->dev_idex); |
429 | ASSERT_EQ(rc, 0); |
430 | |
431 | rc = get_nci_devid(sd: self->sd, fid: self->fid, pid: self->pid, dev_id: self->dev_idex, msg: &msg); |
432 | ASSERT_EQ(rc, 0); |
433 | EXPECT_EQ(get_dev_enable_state(&msg), 0); |
434 | |
435 | if (self->isNCI2) |
436 | rc = pthread_create(&thread_t, NULL, virtual_dev_open_v2, |
437 | (void *)&self->virtual_nci_fd); |
438 | else |
439 | rc = pthread_create(&thread_t, NULL, virtual_dev_open, |
440 | (void *)&self->virtual_nci_fd); |
441 | ASSERT_GT(rc, -1); |
442 | |
443 | rc = send_cmd_with_idx(sd: self->sd, nlmsg_type: self->fid, nlmsg_pid: self->pid, |
444 | genl_cmd: NFC_CMD_DEV_UP, dev_id: self->dev_idex); |
445 | EXPECT_EQ(rc, 0); |
446 | |
447 | pthread_join(thread_t, (void **)&status); |
448 | ASSERT_EQ(status, 0); |
449 | self->open_state = true; |
450 | } |
451 | |
452 | static void *virtual_deinit(void *data) |
453 | { |
454 | char buf[258]; |
455 | int dev_fd; |
456 | int len; |
457 | |
458 | dev_fd = *(int *)data; |
459 | |
460 | len = read(dev_fd, buf, 258); |
461 | if (len <= 0) |
462 | goto error; |
463 | if (len != sizeof(nci_reset_cmd)) |
464 | goto error; |
465 | if (memcmp(p: nci_reset_cmd, q: buf, size: len)) |
466 | goto error; |
467 | write(dev_fd, nci_reset_rsp, sizeof(nci_reset_rsp)); |
468 | |
469 | return (void *)0; |
470 | error: |
471 | return (void *)-1; |
472 | } |
473 | |
474 | static void *virtual_deinit_v2(void *data) |
475 | { |
476 | char buf[258]; |
477 | int dev_fd; |
478 | int len; |
479 | |
480 | dev_fd = *(int *)data; |
481 | |
482 | len = read(dev_fd, buf, 258); |
483 | if (len <= 0) |
484 | goto error; |
485 | if (len != sizeof(nci_reset_cmd)) |
486 | goto error; |
487 | if (memcmp(p: nci_reset_cmd, q: buf, size: len)) |
488 | goto error; |
489 | write(dev_fd, nci_reset_rsp_v2, sizeof(nci_reset_rsp_v2)); |
490 | write(dev_fd, nci_reset_ntf, sizeof(nci_reset_ntf)); |
491 | |
492 | return (void *)0; |
493 | error: |
494 | return (void *)-1; |
495 | } |
496 | |
497 | FIXTURE_TEARDOWN(NCI) |
498 | { |
499 | pthread_t thread_t; |
500 | int status; |
501 | int rc; |
502 | |
503 | if (self->open_state) { |
504 | if (self->isNCI2) |
505 | rc = pthread_create(&thread_t, NULL, |
506 | virtual_deinit_v2, |
507 | (void *)&self->virtual_nci_fd); |
508 | else |
509 | rc = pthread_create(&thread_t, NULL, virtual_deinit, |
510 | (void *)&self->virtual_nci_fd); |
511 | |
512 | ASSERT_GT(rc, -1); |
513 | rc = send_cmd_with_idx(sd: self->sd, nlmsg_type: self->fid, nlmsg_pid: self->pid, |
514 | genl_cmd: NFC_CMD_DEV_DOWN, dev_id: self->dev_idex); |
515 | EXPECT_EQ(rc, 0); |
516 | |
517 | pthread_join(thread_t, (void **)&status); |
518 | ASSERT_EQ(status, 0); |
519 | } |
520 | |
521 | close(self->sd); |
522 | close(self->virtual_nci_fd); |
523 | self->open_state = false; |
524 | } |
525 | |
526 | TEST_F(NCI, init) |
527 | { |
528 | struct msgtemplate msg; |
529 | int rc; |
530 | |
531 | rc = get_nci_devid(sd: self->sd, fid: self->fid, pid: self->pid, dev_id: self->dev_idex, |
532 | msg: &msg); |
533 | ASSERT_EQ(rc, 0); |
534 | EXPECT_EQ(get_dev_enable_state(&msg), 1); |
535 | } |
536 | |
537 | static void *virtual_poll_start(void *data) |
538 | { |
539 | char buf[258]; |
540 | int dev_fd; |
541 | int len; |
542 | |
543 | dev_fd = *(int *)data; |
544 | |
545 | len = read(dev_fd, buf, 258); |
546 | if (len <= 0) |
547 | goto error; |
548 | if (len != sizeof(nci_rf_discovery_cmd)) |
549 | goto error; |
550 | if (memcmp(p: nci_rf_discovery_cmd, q: buf, size: len)) |
551 | goto error; |
552 | write(dev_fd, nci_rf_disc_rsp, sizeof(nci_rf_disc_rsp)); |
553 | |
554 | return (void *)0; |
555 | error: |
556 | return (void *)-1; |
557 | } |
558 | |
559 | static void *virtual_poll_stop(void *data) |
560 | { |
561 | char buf[258]; |
562 | int dev_fd; |
563 | int len; |
564 | |
565 | dev_fd = *(int *)data; |
566 | |
567 | len = read(dev_fd, buf, 258); |
568 | if (len <= 0) |
569 | goto error; |
570 | if (len != sizeof(nci_rf_deact_cmd)) |
571 | goto error; |
572 | if (memcmp(p: nci_rf_deact_cmd, q: buf, size: len)) |
573 | goto error; |
574 | write(dev_fd, nci_rf_deact_rsp, sizeof(nci_rf_deact_rsp)); |
575 | |
576 | return (void *)0; |
577 | error: |
578 | return (void *)-1; |
579 | } |
580 | |
581 | int start_polling(int dev_idx, int proto, int virtual_fd, int sd, int fid, int pid) |
582 | { |
583 | __u16 nla_start_poll_type[2] = {NFC_ATTR_DEVICE_INDEX, |
584 | NFC_ATTR_PROTOCOLS}; |
585 | void *nla_start_poll_data[2] = {&dev_idx, &proto}; |
586 | int nla_start_poll_len[2] = {4, 4}; |
587 | pthread_t thread_t; |
588 | int status; |
589 | int rc; |
590 | |
591 | rc = pthread_create(&thread_t, NULL, virtual_poll_start, |
592 | (void *)&virtual_fd); |
593 | if (rc < 0) |
594 | return rc; |
595 | |
596 | rc = send_cmd_mt_nla(sd, nlmsg_type: fid, nlmsg_pid: pid, genl_cmd: NFC_CMD_START_POLL, nla_num: 2, nla_type: nla_start_poll_type, |
597 | nla_data: nla_start_poll_data, nla_len: nla_start_poll_len, NLM_F_REQUEST); |
598 | if (rc != 0) |
599 | return rc; |
600 | |
601 | pthread_join(thread_t, (void **)&status); |
602 | return status; |
603 | } |
604 | |
605 | int stop_polling(int dev_idx, int virtual_fd, int sd, int fid, int pid) |
606 | { |
607 | pthread_t thread_t; |
608 | int status; |
609 | int rc; |
610 | |
611 | rc = pthread_create(&thread_t, NULL, virtual_poll_stop, |
612 | (void *)&virtual_fd); |
613 | if (rc < 0) |
614 | return rc; |
615 | |
616 | rc = send_cmd_with_idx(sd, nlmsg_type: fid, nlmsg_pid: pid, |
617 | genl_cmd: NFC_CMD_STOP_POLL, dev_id: dev_idx); |
618 | if (rc != 0) |
619 | return rc; |
620 | |
621 | pthread_join(thread_t, (void **)&status); |
622 | return status; |
623 | } |
624 | |
625 | TEST_F(NCI, start_poll) |
626 | { |
627 | int status; |
628 | |
629 | status = start_polling(dev_idx: self->dev_idex, proto: self->proto, virtual_fd: self->virtual_nci_fd, |
630 | sd: self->sd, fid: self->fid, pid: self->pid); |
631 | EXPECT_EQ(status, 0); |
632 | |
633 | status = stop_polling(dev_idx: self->dev_idex, virtual_fd: self->virtual_nci_fd, sd: self->sd, |
634 | fid: self->fid, pid: self->pid); |
635 | EXPECT_EQ(status, 0); |
636 | } |
637 | |
638 | int get_taginfo(int dev_idx, int sd, int fid, int pid) |
639 | { |
640 | struct { |
641 | struct nlmsghdr n; |
642 | struct genlmsghdr g; |
643 | char buf[512]; |
644 | } ans; |
645 | |
646 | struct nlattr *na; |
647 | __u32 protocol; |
648 | int targetidx; |
649 | __u8 sel_res; |
650 | int resp_len; |
651 | int len; |
652 | |
653 | __u16 tagid_type; |
654 | void *tagid_type_data; |
655 | int tagid_len; |
656 | |
657 | tagid_type = NFC_ATTR_DEVICE_INDEX; |
658 | tagid_type_data = &dev_idx; |
659 | tagid_len = 4; |
660 | |
661 | send_cmd_mt_nla(sd, nlmsg_type: fid, nlmsg_pid: pid, genl_cmd: NFC_CMD_GET_TARGET, nla_num: 1, nla_type: &tagid_type, |
662 | nla_data: &tagid_type_data, nla_len: &tagid_len, NLM_F_REQUEST | NLM_F_DUMP); |
663 | resp_len = recv(sd, &ans, sizeof(ans), 0); |
664 | if (ans.n.nlmsg_type == NLMSG_ERROR || resp_len < 0 || |
665 | !NLMSG_OK(&ans.n, resp_len)) |
666 | return -1; |
667 | |
668 | resp_len = GENLMSG_PAYLOAD(&ans.n); |
669 | na = (struct nlattr *)GENLMSG_DATA(&ans); |
670 | |
671 | len = 0; |
672 | targetidx = -1; |
673 | protocol = -1; |
674 | sel_res = -1; |
675 | |
676 | while (len < resp_len) { |
677 | len += NLA_ALIGN(na->nla_len); |
678 | |
679 | if (na->nla_type == NFC_ATTR_TARGET_INDEX) |
680 | targetidx = *(int *)((char *)na + NLA_HDRLEN); |
681 | else if (na->nla_type == NFC_ATTR_TARGET_SEL_RES) |
682 | sel_res = *(__u8 *)((char *)na + NLA_HDRLEN); |
683 | else if (na->nla_type == NFC_ATTR_PROTOCOLS) |
684 | protocol = *(__u32 *)((char *)na + NLA_HDRLEN); |
685 | |
686 | na = (struct nlattr *)(GENLMSG_DATA(&ans) + len); |
687 | } |
688 | |
689 | if (targetidx == -1 || sel_res != 0x20 || protocol != NFC_PROTO_ISO14443_MASK) |
690 | return -1; |
691 | |
692 | return targetidx; |
693 | } |
694 | |
695 | int connect_socket(int dev_idx, int target_idx) |
696 | { |
697 | struct sockaddr_nfc addr; |
698 | int sock; |
699 | int err = 0; |
700 | |
701 | sock = socket(AF_NFC, SOCK_SEQPACKET, NFC_SOCKPROTO_RAW); |
702 | if (sock == -1) |
703 | return -1; |
704 | |
705 | addr.sa_family = AF_NFC; |
706 | addr.dev_idx = dev_idx; |
707 | addr.target_idx = target_idx; |
708 | addr.nfc_protocol = NFC_PROTO_ISO14443; |
709 | |
710 | err = connect(sock, (struct sockaddr *)&addr, sizeof(addr)); |
711 | if (err) { |
712 | close(sock); |
713 | return -1; |
714 | } |
715 | |
716 | return sock; |
717 | } |
718 | |
719 | int connect_tag(int dev_idx, int virtual_fd, int sd, int fid, int pid) |
720 | { |
721 | struct genlmsghdr *genlhdr; |
722 | struct nlattr *na; |
723 | char evt_data[255]; |
724 | int target_idx; |
725 | int resp_len; |
726 | int evt_dev; |
727 | |
728 | write(virtual_fd, nci_rf_activate_ntf, sizeof(nci_rf_activate_ntf)); |
729 | resp_len = recv(sd, evt_data, sizeof(evt_data), 0); |
730 | if (resp_len < 0) |
731 | return -1; |
732 | |
733 | genlhdr = (struct genlmsghdr *)((struct nlmsghdr *)evt_data + 1); |
734 | na = (struct nlattr *)(genlhdr + 1); |
735 | evt_dev = *(int *)((char *)na + NLA_HDRLEN); |
736 | if (dev_idx != evt_dev) |
737 | return -1; |
738 | |
739 | target_idx = get_taginfo(dev_idx, sd, fid, pid); |
740 | if (target_idx == -1) |
741 | return -1; |
742 | return connect_socket(dev_idx, target_idx); |
743 | } |
744 | |
745 | int read_write_nci_cmd(int nfc_sock, int virtual_fd, const __u8 *cmd, __u32 cmd_len, |
746 | const __u8 *rsp, __u32 rsp_len) |
747 | { |
748 | char buf[256]; |
749 | int len; |
750 | |
751 | send(nfc_sock, &cmd[3], cmd_len - 3, 0); |
752 | len = read(virtual_fd, buf, cmd_len); |
753 | if (len < 0 || memcmp(p: buf, q: cmd, size: cmd_len)) |
754 | return -1; |
755 | |
756 | write(virtual_fd, rsp, rsp_len); |
757 | len = recv(nfc_sock, buf, rsp_len - 2, 0); |
758 | if (len < 0 || memcmp(p: &buf[1], q: &rsp[3], size: rsp_len - 3)) |
759 | return -1; |
760 | |
761 | return 0; |
762 | } |
763 | |
764 | int read_tag(int nfc_sock, int virtual_fd) |
765 | { |
766 | if (read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_select_cmd, |
767 | cmd_len: sizeof(nci_t4t_select_cmd), rsp: nci_t4t_rsp_ok, |
768 | rsp_len: sizeof(nci_t4t_rsp_ok))) |
769 | return -1; |
770 | |
771 | if (read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_select_cmd2, |
772 | cmd_len: sizeof(nci_t4t_select_cmd2), rsp: nci_t4t_rsp_ok, |
773 | rsp_len: sizeof(nci_t4t_rsp_ok))) |
774 | return -1; |
775 | |
776 | if (read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_read_cmd, |
777 | cmd_len: sizeof(nci_t4t_read_cmd), rsp: nci_t4t_read_rsp, |
778 | rsp_len: sizeof(nci_t4t_read_rsp))) |
779 | return -1; |
780 | |
781 | if (read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_select_cmd3, |
782 | cmd_len: sizeof(nci_t4t_select_cmd3), rsp: nci_t4t_rsp_ok, |
783 | rsp_len: sizeof(nci_t4t_rsp_ok))) |
784 | return -1; |
785 | |
786 | if (read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_read_cmd2, |
787 | cmd_len: sizeof(nci_t4t_read_cmd2), rsp: nci_t4t_read_rsp2, |
788 | rsp_len: sizeof(nci_t4t_read_rsp2))) |
789 | return -1; |
790 | |
791 | return read_write_nci_cmd(nfc_sock, virtual_fd, cmd: nci_t4t_read_cmd3, |
792 | cmd_len: sizeof(nci_t4t_read_cmd3), rsp: nci_t4t_read_rsp3, |
793 | rsp_len: sizeof(nci_t4t_read_rsp3)); |
794 | } |
795 | |
796 | static void *virtual_deactivate_proc(void *data) |
797 | { |
798 | int virtual_fd; |
799 | char buf[256]; |
800 | int deactcmd_len; |
801 | int len; |
802 | |
803 | virtual_fd = *(int *)data; |
804 | deactcmd_len = sizeof(nci_rf_deact_cmd); |
805 | len = read(virtual_fd, buf, deactcmd_len); |
806 | if (len != deactcmd_len || memcmp(p: buf, q: nci_rf_deact_cmd, size: deactcmd_len)) |
807 | return (void *)-1; |
808 | |
809 | write(virtual_fd, nci_rf_deact_rsp, sizeof(nci_rf_deact_rsp)); |
810 | write(virtual_fd, nci_rf_deact_ntf, sizeof(nci_rf_deact_ntf)); |
811 | |
812 | return (void *)0; |
813 | } |
814 | |
815 | int disconnect_tag(int nfc_sock, int virtual_fd) |
816 | { |
817 | pthread_t thread_t; |
818 | char buf[256]; |
819 | int status; |
820 | int len; |
821 | |
822 | send(nfc_sock, &nci_t4t_select_cmd3[3], sizeof(nci_t4t_select_cmd3) - 3, 0); |
823 | len = read(virtual_fd, buf, sizeof(nci_t4t_select_cmd3)); |
824 | if (len < 0 || memcmp(p: buf, q: nci_t4t_select_cmd3, size: sizeof(nci_t4t_select_cmd3))) |
825 | return -1; |
826 | |
827 | len = recv(nfc_sock, buf, sizeof(nci_t4t_rsp_ok), 0); |
828 | if (len != -1) |
829 | return -1; |
830 | |
831 | status = pthread_create(&thread_t, NULL, virtual_deactivate_proc, |
832 | (void *)&virtual_fd); |
833 | |
834 | close(nfc_sock); |
835 | pthread_join(thread_t, (void **)&status); |
836 | return status; |
837 | } |
838 | |
839 | TEST_F(NCI, t4t_tag_read) |
840 | { |
841 | int nfc_sock; |
842 | int status; |
843 | |
844 | status = start_polling(dev_idx: self->dev_idex, proto: self->proto, virtual_fd: self->virtual_nci_fd, |
845 | sd: self->sd, fid: self->fid, pid: self->pid); |
846 | EXPECT_EQ(status, 0); |
847 | |
848 | nfc_sock = connect_tag(dev_idx: self->dev_idex, virtual_fd: self->virtual_nci_fd, sd: self->sd, |
849 | fid: self->fid, pid: self->pid); |
850 | ASSERT_GT(nfc_sock, -1); |
851 | |
852 | status = read_tag(nfc_sock, virtual_fd: self->virtual_nci_fd); |
853 | ASSERT_EQ(status, 0); |
854 | |
855 | status = disconnect_tag(nfc_sock, virtual_fd: self->virtual_nci_fd); |
856 | EXPECT_EQ(status, 0); |
857 | } |
858 | |
859 | TEST_F(NCI, deinit) |
860 | { |
861 | struct msgtemplate msg; |
862 | pthread_t thread_t; |
863 | int status; |
864 | int rc; |
865 | |
866 | rc = get_nci_devid(sd: self->sd, fid: self->fid, pid: self->pid, dev_id: self->dev_idex, |
867 | msg: &msg); |
868 | ASSERT_EQ(rc, 0); |
869 | EXPECT_EQ(get_dev_enable_state(&msg), 1); |
870 | |
871 | if (self->isNCI2) |
872 | rc = pthread_create(&thread_t, NULL, virtual_deinit_v2, |
873 | (void *)&self->virtual_nci_fd); |
874 | else |
875 | rc = pthread_create(&thread_t, NULL, virtual_deinit, |
876 | (void *)&self->virtual_nci_fd); |
877 | ASSERT_GT(rc, -1); |
878 | |
879 | rc = send_cmd_with_idx(sd: self->sd, nlmsg_type: self->fid, nlmsg_pid: self->pid, |
880 | genl_cmd: NFC_CMD_DEV_DOWN, dev_id: self->dev_idex); |
881 | EXPECT_EQ(rc, 0); |
882 | |
883 | pthread_join(thread_t, (void **)&status); |
884 | self->open_state = 0; |
885 | ASSERT_EQ(status, 0); |
886 | |
887 | rc = get_nci_devid(sd: self->sd, fid: self->fid, pid: self->pid, dev_id: self->dev_idex, |
888 | msg: &msg); |
889 | ASSERT_EQ(rc, 0); |
890 | EXPECT_EQ(get_dev_enable_state(&msg), 0); |
891 | |
892 | /* Test that operations that normally send packets to the driver |
893 | * don't cause issues when the device is already closed. |
894 | * Note: the send of NFC_CMD_DEV_UP itself still succeeds it's just |
895 | * that the device won't actually be up. |
896 | */ |
897 | close(self->virtual_nci_fd); |
898 | self->virtual_nci_fd = -1; |
899 | rc = send_cmd_with_idx(sd: self->sd, nlmsg_type: self->fid, nlmsg_pid: self->pid, |
900 | genl_cmd: NFC_CMD_DEV_UP, dev_id: self->dev_idex); |
901 | EXPECT_EQ(rc, 0); |
902 | } |
903 | |
904 | TEST_HARNESS_MAIN |
905 | |