905 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Copyright (C) 2021 Samsung Electrnoics4 * Bongsu Jeon <bongsu.jeon@samsung.com>5 *6 * Test code for nci7 */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 102427 28#define IOCTL_GET_NCIDEV_IDX 029#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 36const __u8 nci_reset_cmd[] = {0x20, 0x00, 0x01, 0x01};37const __u8 nci_init_cmd[] = {0x20, 0x01, 0x00};38const __u8 nci_rf_discovery_cmd[] = {0x21, 0x03, 0x09, 0x04, 0x00, 0x01,39 0x01, 0x01, 0x02, 0x01, 0x06, 0x01};40const __u8 nci_init_cmd_v2[] = {0x20, 0x01, 0x02, 0x00, 0x00};41const __u8 nci_rf_disc_map_cmd[] = {0x21, 0x00, 0x07, 0x02, 0x04, 0x03,42 0x02, 0x05, 0x03, 0x03};43const __u8 nci_rf_deact_cmd[] = {0x21, 0x06, 0x01, 0x00};44const __u8 nci_reset_rsp[] = {0x40, 0x00, 0x03, 0x00, 0x10, 0x01};45const __u8 nci_reset_rsp_v2[] = {0x40, 0x00, 0x01, 0x00};46const __u8 nci_reset_ntf[] = {0x60, 0x00, 0x09, 0x02, 0x01, 0x20, 0x0e,47 0x04, 0x61, 0x00, 0x04, 0x02};48const __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};52const __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};57const __u8 nci_rf_disc_map_rsp[] = {0x41, 0x00, 0x01, 0x00};58const __u8 nci_rf_disc_rsp[] = {0x41, 0x03, 0x01, 0x00};59const __u8 nci_rf_deact_rsp[] = {0x41, 0x06, 0x01, 0x00};60const __u8 nci_rf_deact_ntf[] = {0x61, 0x06, 0x02, 0x00, 0x00};61const __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};66const __u8 nci_t4t_select_cmd[] = {0x00, 0x00, 0x0C, 0x00, 0xA4, 0x04, 0x00,67 0x07, 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01};68const __u8 nci_t4t_select_cmd2[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02,69 0xE1, 0x03};70const __u8 nci_t4t_select_cmd3[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02,71 0xE1, 0x04};72const __u8 nci_t4t_read_cmd[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x0F};73const __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};76const __u8 nci_t4t_read_cmd2[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x02};77const __u8 nci_t4t_read_rsp2[] = {0x00, 0x00, 0x04, 0x00, 0x0F, 0x90, 0x00};78const __u8 nci_t4t_read_cmd3[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x02, 0x0F};79const __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};82const __u8 nci_t4t_rsp_ok[] = {0x00, 0x00, 0x02, 0x90, 0x00};83 84struct msgtemplate {85 struct nlmsghdr n;86 struct genlmsghdr g;87 char buf[MAX_MSG_SIZE];88};89 90static 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;106error:107 close(fd);108 return -1;109}110 111static 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 160static 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(family_name, NFC_GENL_NAME);169 nla_get_family_data = family_name;170 171 return send_cmd_mt_nla(sd, GENL_ID_CTRL, pid, CTRL_CMD_GETFAMILY,172 1, &nla_get_family_type, &nla_get_family_data,173 &nla_get_family_len, NLM_F_REQUEST);174}175 176static 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 240static 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, 1,248 &nla_type, &nla_data, &nla_len, NLM_F_REQUEST);249}250 251static 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, fid, pid, 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;274error:275 return rc;276}277 278static __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 298FIXTURE(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 309FIXTURE_VARIANT(NCI) {310 bool isNCI2;311};312 313FIXTURE_VARIANT_ADD(NCI, NCI1_0) {314 .isNCI2 = false,315};316 317FIXTURE_VARIANT_ADD(NCI, NCI2_0) {318 .isNCI2 = true,319};320 321static 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(nci_reset_cmd, buf, 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(nci_init_cmd, buf, 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(nci_rf_disc_map_cmd, buf, len))353 goto error;354 write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp));355 356 return (void *)0;357error:358 return (void *)-1;359}360 361static 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(nci_reset_cmd, buf, 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(nci_init_cmd_v2, buf, 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(nci_rf_disc_map_cmd, buf, len))394 goto error;395 write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp));396 397 return (void *)0;398error:399 return (void *)-1;400}401 402FIXTURE_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(self->sd, self->pid, &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(self->sd, self->fid, self->pid, self->dev_idex, &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 else439 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(self->sd, self->fid, self->pid,444 NFC_CMD_DEV_UP, 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 452static 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(nci_reset_cmd, buf, len))466 goto error;467 write(dev_fd, nci_reset_rsp, sizeof(nci_reset_rsp));468 469 return (void *)0;470error:471 return (void *)-1;472}473 474static 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(nci_reset_cmd, buf, 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;493error:494 return (void *)-1;495}496 497FIXTURE_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 else509 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(self->sd, self->fid, self->pid,514 NFC_CMD_DEV_DOWN, 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 526TEST_F(NCI, init)527{528 struct msgtemplate msg;529 int rc;530 531 rc = get_nci_devid(self->sd, self->fid, self->pid, self->dev_idex,532 &msg);533 ASSERT_EQ(rc, 0);534 EXPECT_EQ(get_dev_enable_state(&msg), 1);535}536 537static 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(nci_rf_discovery_cmd, buf, len))551 goto error;552 write(dev_fd, nci_rf_disc_rsp, sizeof(nci_rf_disc_rsp));553 554 return (void *)0;555error:556 return (void *)-1;557}558 559static 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(nci_rf_deact_cmd, buf, len))573 goto error;574 write(dev_fd, nci_rf_deact_rsp, sizeof(nci_rf_deact_rsp));575 576 return (void *)0;577error:578 return (void *)-1;579}580 581int 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, fid, pid, NFC_CMD_START_POLL, 2, nla_start_poll_type,597 nla_start_poll_data, 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 605int 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, fid, pid,617 NFC_CMD_STOP_POLL, dev_idx);618 if (rc != 0)619 return rc;620 621 pthread_join(thread_t, (void **)&status);622 return status;623}624 625TEST_F(NCI, start_poll)626{627 int status;628 629 status = start_polling(self->dev_idex, self->proto, self->virtual_nci_fd,630 self->sd, self->fid, self->pid);631 EXPECT_EQ(status, 0);632 633 status = stop_polling(self->dev_idex, self->virtual_nci_fd, self->sd,634 self->fid, self->pid);635 EXPECT_EQ(status, 0);636}637 638int 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, fid, pid, NFC_CMD_GET_TARGET, 1, &tagid_type,662 &tagid_type_data, &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 695int 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 719int 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 745int 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(buf, cmd, 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(&buf[1], &rsp[3], rsp_len - 3))759 return -1;760 761 return 0;762}763 764int read_tag(int nfc_sock, int virtual_fd)765{766 if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd,767 sizeof(nci_t4t_select_cmd), nci_t4t_rsp_ok,768 sizeof(nci_t4t_rsp_ok)))769 return -1;770 771 if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd2,772 sizeof(nci_t4t_select_cmd2), nci_t4t_rsp_ok,773 sizeof(nci_t4t_rsp_ok)))774 return -1;775 776 if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd,777 sizeof(nci_t4t_read_cmd), nci_t4t_read_rsp,778 sizeof(nci_t4t_read_rsp)))779 return -1;780 781 if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd3,782 sizeof(nci_t4t_select_cmd3), nci_t4t_rsp_ok,783 sizeof(nci_t4t_rsp_ok)))784 return -1;785 786 if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd2,787 sizeof(nci_t4t_read_cmd2), nci_t4t_read_rsp2,788 sizeof(nci_t4t_read_rsp2)))789 return -1;790 791 return read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd3,792 sizeof(nci_t4t_read_cmd3), nci_t4t_read_rsp3,793 sizeof(nci_t4t_read_rsp3));794}795 796static 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(buf, nci_rf_deact_cmd, 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 815int 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(buf, nci_t4t_select_cmd3, 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 839TEST_F(NCI, t4t_tag_read)840{841 int nfc_sock;842 int status;843 844 status = start_polling(self->dev_idex, self->proto, self->virtual_nci_fd,845 self->sd, self->fid, self->pid);846 EXPECT_EQ(status, 0);847 848 nfc_sock = connect_tag(self->dev_idex, self->virtual_nci_fd, self->sd,849 self->fid, self->pid);850 ASSERT_GT(nfc_sock, -1);851 852 status = read_tag(nfc_sock, self->virtual_nci_fd);853 ASSERT_EQ(status, 0);854 855 status = disconnect_tag(nfc_sock, self->virtual_nci_fd);856 EXPECT_EQ(status, 0);857}858 859TEST_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(self->sd, self->fid, self->pid, self->dev_idex,867 &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 else875 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(self->sd, self->fid, self->pid,880 NFC_CMD_DEV_DOWN, 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(self->sd, self->fid, self->pid, self->dev_idex,888 &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 driver893 * don't cause issues when the device is already closed.894 * Note: the send of NFC_CMD_DEV_UP itself still succeeds it's just895 * 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(self->sd, self->fid, self->pid,900 NFC_CMD_DEV_UP, self->dev_idex);901 EXPECT_EQ(rc, 0);902}903 904TEST_HARNESS_MAIN905