// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2021 Samsung Electrnoics
* Bongsu Jeon <[email protected]>
*
* Test code for nci
*/
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <pthread.h>
#include <linux/genetlink.h>
#include <sys/socket.h>
#include <linux/nfc.h>
#include "../kselftest_harness.h"
#define GENLMSG_DATA(glh) ((void *)(NLMSG_DATA(glh) + GENL_HDRLEN))
#define GENLMSG_PAYLOAD(glh) (NLMSG_PAYLOAD(glh, 0) - GENL_HDRLEN)
#define NLA_DATA(na) ((void *)((char *)(na) + NLA_HDRLEN))
#define NLA_PAYLOAD(len) ((len) - NLA_HDRLEN)
#define MAX_MSG_SIZE 1024
#define IOCTL_GET_NCIDEV_IDX 0
#define VIRTUAL_NFC_PROTOCOLS (NFC_PROTO_JEWEL_MASK | \
NFC_PROTO_MIFARE_MASK | \
NFC_PROTO_FELICA_MASK | \
NFC_PROTO_ISO14443_MASK | \
NFC_PROTO_ISO14443_B_MASK | \
NFC_PROTO_ISO15693_MASK)
const __u8 nci_reset_cmd[] = {0x20, 0x00, 0x01, 0x01};
const __u8 nci_init_cmd[] = {0x20, 0x01, 0x00};
const __u8 nci_rf_discovery_cmd[] = {0x21, 0x03, 0x09, 0x04, 0x00, 0x01,
0x01, 0x01, 0x02, 0x01, 0x06, 0x01};
const __u8 nci_init_cmd_v2[] = {0x20, 0x01, 0x02, 0x00, 0x00};
const __u8 nci_rf_disc_map_cmd[] = {0x21, 0x00, 0x07, 0x02, 0x04, 0x03,
0x02, 0x05, 0x03, 0x03};
const __u8 nci_rf_deact_cmd[] = {0x21, 0x06, 0x01, 0x00};
const __u8 nci_reset_rsp[] = {0x40, 0x00, 0x03, 0x00, 0x10, 0x01};
const __u8 nci_reset_rsp_v2[] = {0x40, 0x00, 0x01, 0x00};
const __u8 nci_reset_ntf[] = {0x60, 0x00, 0x09, 0x02, 0x01, 0x20, 0x0e,
0x04, 0x61, 0x00, 0x04, 0x02};
const __u8 nci_init_rsp[] = {0x40, 0x01, 0x14, 0x00, 0x02, 0x0e, 0x02,
0x00, 0x03, 0x01, 0x02, 0x03, 0x02, 0xc8,
0x00, 0xff, 0x10, 0x00, 0x0e, 0x12, 0x00,
0x00, 0x04};
const __u8 nci_init_rsp_v2[] = {0x40, 0x01, 0x1c, 0x00, 0x1a, 0x7e, 0x06,
0x00, 0x02, 0x92, 0x04, 0xff, 0xff, 0x01,
0x00, 0x40, 0x06, 0x00, 0x00, 0x01, 0x01,
0x00, 0x02, 0x00, 0x03, 0x01, 0x01, 0x06,
0x00, 0x80, 0x00};
const __u8 nci_rf_disc_map_rsp[] = {0x41, 0x00, 0x01, 0x00};
const __u8 nci_rf_disc_rsp[] = {0x41, 0x03, 0x01, 0x00};
const __u8 nci_rf_deact_rsp[] = {0x41, 0x06, 0x01, 0x00};
const __u8 nci_rf_deact_ntf[] = {0x61, 0x06, 0x02, 0x00, 0x00};
const __u8 nci_rf_activate_ntf[] = {0x61, 0x05, 0x1D, 0x01, 0x02, 0x04, 0x00,
0xFF, 0xFF, 0x0C, 0x44, 0x03, 0x07, 0x04,
0x62, 0x26, 0x11, 0x80, 0x1D, 0x80, 0x01,
0x20, 0x00, 0x00, 0x00, 0x06, 0x05, 0x75,
0x77, 0x81, 0x02, 0x80};
const __u8 nci_t4t_select_cmd[] = {0x00, 0x00, 0x0C, 0x00, 0xA4, 0x04, 0x00,
0x07, 0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01};
const __u8 nci_t4t_select_cmd2[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02,
0xE1, 0x03};
const __u8 nci_t4t_select_cmd3[] = {0x00, 0x00, 0x07, 0x00, 0xA4, 0x00, 0x0C, 0x02,
0xE1, 0x04};
const __u8 nci_t4t_read_cmd[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x0F};
const __u8 nci_t4t_read_rsp[] = {0x00, 0x00, 0x11, 0x00, 0x0F, 0x20, 0x00, 0x3B,
0x00, 0x34, 0x04, 0x06, 0xE1, 0x04, 0x08, 0x00,
0x00, 0x00, 0x90, 0x00};
const __u8 nci_t4t_read_cmd2[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x00, 0x02};
const __u8 nci_t4t_read_rsp2[] = {0x00, 0x00, 0x04, 0x00, 0x0F, 0x90, 0x00};
const __u8 nci_t4t_read_cmd3[] = {0x00, 0x00, 0x05, 0x00, 0xB0, 0x00, 0x02, 0x0F};
const __u8 nci_t4t_read_rsp3[] = {0x00, 0x00, 0x11, 0xD1, 0x01, 0x0B, 0x54, 0x02,
0x65, 0x6E, 0x4E, 0x46, 0x43, 0x20, 0x54, 0x45,
0x53, 0x54, 0x90, 0x00};
const __u8 nci_t4t_rsp_ok[] = {0x00, 0x00, 0x02, 0x90, 0x00};
struct msgtemplate {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[MAX_MSG_SIZE];
};
static int create_nl_socket(void)
{
int fd;
struct sockaddr_nl local;
fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
if (fd < 0)
return -1;
memset(&local, 0, sizeof(local));
local.nl_family = AF_NETLINK;
if (bind(fd, (struct sockaddr *)&local, sizeof(local)) < 0)
goto error;
return fd;
error:
close(fd);
return -1;
}
static int send_cmd_mt_nla(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
__u8 genl_cmd, int nla_num, __u16 nla_type[],
void *nla_data[], int nla_len[], __u16 flags)
{
struct sockaddr_nl nladdr;
struct msgtemplate msg;
struct nlattr *na;
int cnt, prv_len;
int r, buflen;
char *buf;
msg.n.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN);
msg.n.nlmsg_type = nlmsg_type;
msg.n.nlmsg_flags = flags;
msg.n.nlmsg_seq = 0;
msg.n.nlmsg_pid = nlmsg_pid;
msg.g.cmd = genl_cmd;
msg.g.version = 0x1;
prv_len = 0;
for (cnt = 0; cnt < nla_num; cnt++) {
na = (struct nlattr *)(GENLMSG_DATA(&msg) + prv_len);
na->nla_type = nla_type[cnt];
na->nla_len = nla_len[cnt] + NLA_HDRLEN;
if (nla_len[cnt] > 0)
memcpy(NLA_DATA(na), nla_data[cnt], nla_len[cnt]);
prv_len = NLA_ALIGN(nla_len[cnt]) + NLA_HDRLEN;
msg.n.nlmsg_len += prv_len;
}
buf = (char *)&msg;
buflen = msg.n.nlmsg_len;
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
while ((r = sendto(sd, buf, buflen, 0, (struct sockaddr *)&nladdr,
sizeof(nladdr))) < buflen) {
if (r > 0) {
buf += r;
buflen -= r;
} else if (errno != EAGAIN) {
return -1;
}
}
return 0;
}
static int send_get_nfc_family(int sd, __u32 pid)
{
__u16 nla_get_family_type = CTRL_ATTR_FAMILY_NAME;
void *nla_get_family_data;
int nla_get_family_len;
char family_name[100];
nla_get_family_len = strlen(NFC_GENL_NAME) + 1;
strcpy(family_name, NFC_GENL_NAME);
nla_get_family_data = family_name;
return send_cmd_mt_nla(sd, GENL_ID_CTRL, pid, CTRL_CMD_GETFAMILY,
1, &nla_get_family_type, &nla_get_family_data,
&nla_get_family_len, NLM_F_REQUEST);
}
static int get_family_id(int sd, __u32 pid, __u32 *event_group)
{
struct {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[512];
} ans;
struct nlattr *na;
int resp_len;
__u16 id;
int len;
int rc;
rc = send_get_nfc_family(sd, pid);
if (rc < 0)
return 0;
resp_len = recv(sd, &ans, sizeof(ans), 0);
if (ans.n.nlmsg_type == NLMSG_ERROR || resp_len < 0 ||
!NLMSG_OK(&ans.n, resp_len))
return 0;
len = 0;
resp_len = GENLMSG_PAYLOAD(&ans.n);
na = (struct nlattr *)GENLMSG_DATA(&ans);
while (len < resp_len) {
len += NLA_ALIGN(na->nla_len);
if (na->nla_type == CTRL_ATTR_FAMILY_ID) {
id = *(__u16 *)NLA_DATA(na);
} else if (na->nla_type == CTRL_ATTR_MCAST_GROUPS) {
struct nlattr *nested_na;
struct nlattr *group_na;
int group_attr_len;
int group_attr;
nested_na = (struct nlattr *)((char *)na + NLA_HDRLEN);
group_na = (struct nlattr *)((char *)nested_na + NLA_HDRLEN);
group_attr_len = 0;
for (group_attr = CTRL_ATTR_MCAST_GRP_UNSPEC;
group_attr < CTRL_ATTR_MCAST_GRP_MAX; group_attr++) {
if (group_na->nla_type == CTRL_ATTR_MCAST_GRP_ID) {
*event_group = *(__u32 *)((char *)group_na +
NLA_HDRLEN);
break;
}
group_attr_len += NLA_ALIGN(group_na->nla_len) +
NLA_HDRLEN;
if (group_attr_len >= nested_na->nla_len)
break;
group_na = (struct nlattr *)((char *)group_na +
NLA_ALIGN(group_na->nla_len));
}
}
na = (struct nlattr *)(GENLMSG_DATA(&ans) + len);
}
return id;
}
static int send_cmd_with_idx(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
__u8 genl_cmd, int dev_id)
{
__u16 nla_type = NFC_ATTR_DEVICE_INDEX;
void *nla_data = &dev_id;
int nla_len = 4;
return send_cmd_mt_nla(sd, nlmsg_type, nlmsg_pid, genl_cmd, 1,
&nla_type, &nla_data, &nla_len, NLM_F_REQUEST);
}
static int get_nci_devid(int sd, __u16 fid, __u32 pid, int dev_id, struct msgtemplate *msg)
{
int rc, resp_len;
rc = send_cmd_with_idx(sd, fid, pid, NFC_CMD_GET_DEVICE, dev_id);
if (rc < 0) {
rc = -1;
goto error;
}
resp_len = recv(sd, msg, sizeof(*msg), 0);
if (resp_len < 0) {
rc = -2;
goto error;
}
if (msg->n.nlmsg_type == NLMSG_ERROR ||
!NLMSG_OK(&msg->n, resp_len)) {
rc = -3;
goto error;
}
return 0;
error:
return rc;
}
static __u8 get_dev_enable_state(struct msgtemplate *msg)
{
struct nlattr *na;
int resp_len;
int len;
resp_len = GENLMSG_PAYLOAD(&msg->n);
na = (struct nlattr *)GENLMSG_DATA(msg);
len = 0;
while (len < resp_len) {
len += NLA_ALIGN(na->nla_len);
if (na->nla_type == NFC_ATTR_DEVICE_POWERED)
return *(char *)NLA_DATA(na);
na = (struct nlattr *)(GENLMSG_DATA(msg) + len);
}
return resp_len;
}
FIXTURE(NCI) {
int virtual_nci_fd;
bool open_state;
int dev_idex;
bool isNCI2;
int proto;
__u32 pid;
__u16 fid;
int sd;
};
FIXTURE_VARIANT(NCI) {
bool isNCI2;
};
FIXTURE_VARIANT_ADD(NCI, NCI1_0) {
.isNCI2 = false,
};
FIXTURE_VARIANT_ADD(NCI, NCI2_0) {
.isNCI2 = true,
};
static void *virtual_dev_open(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_reset_cmd))
goto error;
if (memcmp(nci_reset_cmd, buf, len))
goto error;
write(dev_fd, nci_reset_rsp, sizeof(nci_reset_rsp));
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_init_cmd))
goto error;
if (memcmp(nci_init_cmd, buf, len))
goto error;
write(dev_fd, nci_init_rsp, sizeof(nci_init_rsp));
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_rf_disc_map_cmd))
goto error;
if (memcmp(nci_rf_disc_map_cmd, buf, len))
goto error;
write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp));
return (void *)0;
error:
return (void *)-1;
}
static void *virtual_dev_open_v2(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_reset_cmd))
goto error;
if (memcmp(nci_reset_cmd, buf, len))
goto error;
write(dev_fd, nci_reset_rsp_v2, sizeof(nci_reset_rsp_v2));
write(dev_fd, nci_reset_ntf, sizeof(nci_reset_ntf));
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_init_cmd_v2))
goto error;
if (memcmp(nci_init_cmd_v2, buf, len))
goto error;
write(dev_fd, nci_init_rsp_v2, sizeof(nci_init_rsp_v2));
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_rf_disc_map_cmd))
goto error;
if (memcmp(nci_rf_disc_map_cmd, buf, len))
goto error;
write(dev_fd, nci_rf_disc_map_rsp, sizeof(nci_rf_disc_map_rsp));
return (void *)0;
error:
return (void *)-1;
}
FIXTURE_SETUP(NCI)
{
struct msgtemplate msg;
pthread_t thread_t;
__u32 event_group;
int status;
int rc;
self->open_state = false;
self->proto = VIRTUAL_NFC_PROTOCOLS;
self->isNCI2 = variant->isNCI2;
self->sd = create_nl_socket();
ASSERT_NE(self->sd, -1);
self->pid = getpid();
self->fid = get_family_id(self->sd, self->pid, &event_group);
ASSERT_NE(self->fid, -1);
self->virtual_nci_fd = open("/dev/virtual_nci", O_RDWR);
ASSERT_GT(self->virtual_nci_fd, -1);
rc = setsockopt(self->sd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &event_group,
sizeof(event_group));
ASSERT_NE(rc, -1);
rc = ioctl(self->virtual_nci_fd, IOCTL_GET_NCIDEV_IDX, &self->dev_idex);
ASSERT_EQ(rc, 0);
rc = get_nci_devid(self->sd, self->fid, self->pid, self->dev_idex, &msg);
ASSERT_EQ(rc, 0);
EXPECT_EQ(get_dev_enable_state(&msg), 0);
if (self->isNCI2)
rc = pthread_create(&thread_t, NULL, virtual_dev_open_v2,
(void *)&self->virtual_nci_fd);
else
rc = pthread_create(&thread_t, NULL, virtual_dev_open,
(void *)&self->virtual_nci_fd);
ASSERT_GT(rc, -1);
rc = send_cmd_with_idx(self->sd, self->fid, self->pid,
NFC_CMD_DEV_UP, self->dev_idex);
EXPECT_EQ(rc, 0);
pthread_join(thread_t, (void **)&status);
ASSERT_EQ(status, 0);
self->open_state = true;
}
static void *virtual_deinit(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_reset_cmd))
goto error;
if (memcmp(nci_reset_cmd, buf, len))
goto error;
write(dev_fd, nci_reset_rsp, sizeof(nci_reset_rsp));
return (void *)0;
error:
return (void *)-1;
}
static void *virtual_deinit_v2(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_reset_cmd))
goto error;
if (memcmp(nci_reset_cmd, buf, len))
goto error;
write(dev_fd, nci_reset_rsp_v2, sizeof(nci_reset_rsp_v2));
write(dev_fd, nci_reset_ntf, sizeof(nci_reset_ntf));
return (void *)0;
error:
return (void *)-1;
}
FIXTURE_TEARDOWN(NCI)
{
pthread_t thread_t;
int status;
int rc;
if (self->open_state) {
if (self->isNCI2)
rc = pthread_create(&thread_t, NULL,
virtual_deinit_v2,
(void *)&self->virtual_nci_fd);
else
rc = pthread_create(&thread_t, NULL, virtual_deinit,
(void *)&self->virtual_nci_fd);
ASSERT_GT(rc, -1);
rc = send_cmd_with_idx(self->sd, self->fid, self->pid,
NFC_CMD_DEV_DOWN, self->dev_idex);
EXPECT_EQ(rc, 0);
pthread_join(thread_t, (void **)&status);
ASSERT_EQ(status, 0);
}
close(self->sd);
close(self->virtual_nci_fd);
self->open_state = false;
}
TEST_F(NCI, init)
{
struct msgtemplate msg;
int rc;
rc = get_nci_devid(self->sd, self->fid, self->pid, self->dev_idex,
&msg);
ASSERT_EQ(rc, 0);
EXPECT_EQ(get_dev_enable_state(&msg), 1);
}
static void *virtual_poll_start(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_rf_discovery_cmd))
goto error;
if (memcmp(nci_rf_discovery_cmd, buf, len))
goto error;
write(dev_fd, nci_rf_disc_rsp, sizeof(nci_rf_disc_rsp));
return (void *)0;
error:
return (void *)-1;
}
static void *virtual_poll_stop(void *data)
{
char buf[258];
int dev_fd;
int len;
dev_fd = *(int *)data;
len = read(dev_fd, buf, 258);
if (len <= 0)
goto error;
if (len != sizeof(nci_rf_deact_cmd))
goto error;
if (memcmp(nci_rf_deact_cmd, buf, len))
goto error;
write(dev_fd, nci_rf_deact_rsp, sizeof(nci_rf_deact_rsp));
return (void *)0;
error:
return (void *)-1;
}
int start_polling(int dev_idx, int proto, int virtual_fd, int sd, int fid, int pid)
{
__u16 nla_start_poll_type[2] = {NFC_ATTR_DEVICE_INDEX,
NFC_ATTR_PROTOCOLS};
void *nla_start_poll_data[2] = {&dev_idx, &proto};
int nla_start_poll_len[2] = {4, 4};
pthread_t thread_t;
int status;
int rc;
rc = pthread_create(&thread_t, NULL, virtual_poll_start,
(void *)&virtual_fd);
if (rc < 0)
return rc;
rc = send_cmd_mt_nla(sd, fid, pid, NFC_CMD_START_POLL, 2, nla_start_poll_type,
nla_start_poll_data, nla_start_poll_len, NLM_F_REQUEST);
if (rc != 0)
return rc;
pthread_join(thread_t, (void **)&status);
return status;
}
int stop_polling(int dev_idx, int virtual_fd, int sd, int fid, int pid)
{
pthread_t thread_t;
int status;
int rc;
rc = pthread_create(&thread_t, NULL, virtual_poll_stop,
(void *)&virtual_fd);
if (rc < 0)
return rc;
rc = send_cmd_with_idx(sd, fid, pid,
NFC_CMD_STOP_POLL, dev_idx);
if (rc != 0)
return rc;
pthread_join(thread_t, (void **)&status);
return status;
}
TEST_F(NCI, start_poll)
{
int status;
status = start_polling(self->dev_idex, self->proto, self->virtual_nci_fd,
self->sd, self->fid, self->pid);
EXPECT_EQ(status, 0);
status = stop_polling(self->dev_idex, self->virtual_nci_fd, self->sd,
self->fid, self->pid);
EXPECT_EQ(status, 0);
}
int get_taginfo(int dev_idx, int sd, int fid, int pid)
{
struct {
struct nlmsghdr n;
struct genlmsghdr g;
char buf[512];
} ans;
struct nlattr *na;
__u32 protocol;
int targetidx;
__u8 sel_res;
int resp_len;
int len;
__u16 tagid_type;
void *tagid_type_data;
int tagid_len;
tagid_type = NFC_ATTR_DEVICE_INDEX;
tagid_type_data = &dev_idx;
tagid_len = 4;
send_cmd_mt_nla(sd, fid, pid, NFC_CMD_GET_TARGET, 1, &tagid_type,
&tagid_type_data, &tagid_len, NLM_F_REQUEST | NLM_F_DUMP);
resp_len = recv(sd, &ans, sizeof(ans), 0);
if (ans.n.nlmsg_type == NLMSG_ERROR || resp_len < 0 ||
!NLMSG_OK(&ans.n, resp_len))
return -1;
resp_len = GENLMSG_PAYLOAD(&ans.n);
na = (struct nlattr *)GENLMSG_DATA(&ans);
len = 0;
targetidx = -1;
protocol = -1;
sel_res = -1;
while (len < resp_len) {
len += NLA_ALIGN(na->nla_len);
if (na->nla_type == NFC_ATTR_TARGET_INDEX)
targetidx = *(int *)((char *)na + NLA_HDRLEN);
else if (na->nla_type == NFC_ATTR_TARGET_SEL_RES)
sel_res = *(__u8 *)((char *)na + NLA_HDRLEN);
else if (na->nla_type == NFC_ATTR_PROTOCOLS)
protocol = *(__u32 *)((char *)na + NLA_HDRLEN);
na = (struct nlattr *)(GENLMSG_DATA(&ans) + len);
}
if (targetidx == -1 || sel_res != 0x20 || protocol != NFC_PROTO_ISO14443_MASK)
return -1;
return targetidx;
}
int connect_socket(int dev_idx, int target_idx)
{
struct sockaddr_nfc addr;
int sock;
int err = 0;
sock = socket(AF_NFC, SOCK_SEQPACKET, NFC_SOCKPROTO_RAW);
if (sock == -1)
return -1;
addr.sa_family = AF_NFC;
addr.dev_idx = dev_idx;
addr.target_idx = target_idx;
addr.nfc_protocol = NFC_PROTO_ISO14443;
err = connect(sock, (struct sockaddr *)&addr, sizeof(addr));
if (err) {
close(sock);
return -1;
}
return sock;
}
int connect_tag(int dev_idx, int virtual_fd, int sd, int fid, int pid)
{
struct genlmsghdr *genlhdr;
struct nlattr *na;
char evt_data[255];
int target_idx;
int resp_len;
int evt_dev;
write(virtual_fd, nci_rf_activate_ntf, sizeof(nci_rf_activate_ntf));
resp_len = recv(sd, evt_data, sizeof(evt_data), 0);
if (resp_len < 0)
return -1;
genlhdr = (struct genlmsghdr *)((struct nlmsghdr *)evt_data + 1);
na = (struct nlattr *)(genlhdr + 1);
evt_dev = *(int *)((char *)na + NLA_HDRLEN);
if (dev_idx != evt_dev)
return -1;
target_idx = get_taginfo(dev_idx, sd, fid, pid);
if (target_idx == -1)
return -1;
return connect_socket(dev_idx, target_idx);
}
int read_write_nci_cmd(int nfc_sock, int virtual_fd, const __u8 *cmd, __u32 cmd_len,
const __u8 *rsp, __u32 rsp_len)
{
char buf[256];
int len;
send(nfc_sock, &cmd[3], cmd_len - 3, 0);
len = read(virtual_fd, buf, cmd_len);
if (len < 0 || memcmp(buf, cmd, cmd_len))
return -1;
write(virtual_fd, rsp, rsp_len);
len = recv(nfc_sock, buf, rsp_len - 2, 0);
if (len < 0 || memcmp(&buf[1], &rsp[3], rsp_len - 3))
return -1;
return 0;
}
int read_tag(int nfc_sock, int virtual_fd)
{
if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd,
sizeof(nci_t4t_select_cmd), nci_t4t_rsp_ok,
sizeof(nci_t4t_rsp_ok)))
return -1;
if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd2,
sizeof(nci_t4t_select_cmd2), nci_t4t_rsp_ok,
sizeof(nci_t4t_rsp_ok)))
return -1;
if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd,
sizeof(nci_t4t_read_cmd), nci_t4t_read_rsp,
sizeof(nci_t4t_read_rsp)))
return -1;
if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_select_cmd3,
sizeof(nci_t4t_select_cmd3), nci_t4t_rsp_ok,
sizeof(nci_t4t_rsp_ok)))
return -1;
if (read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd2,
sizeof(nci_t4t_read_cmd2), nci_t4t_read_rsp2,
sizeof(nci_t4t_read_rsp2)))
return -1;
return read_write_nci_cmd(nfc_sock, virtual_fd, nci_t4t_read_cmd3,
sizeof(nci_t4t_read_cmd3), nci_t4t_read_rsp3,
sizeof(nci_t4t_read_rsp3));
}
static void *virtual_deactivate_proc(void *data)
{
int virtual_fd;
char buf[256];
int deactcmd_len;
int len;
virtual_fd = *(int *)data;
deactcmd_len = sizeof(nci_rf_deact_cmd);
len = read(virtual_fd, buf, deactcmd_len);
if (len != deactcmd_len || memcmp(buf, nci_rf_deact_cmd, deactcmd_len))
return (void *)-1;
write(virtual_fd, nci_rf_deact_rsp, sizeof(nci_rf_deact_rsp));
write(virtual_fd, nci_rf_deact_ntf, sizeof(nci_rf_deact_ntf));
return (void *)0;
}
int disconnect_tag(int nfc_sock, int virtual_fd)
{
pthread_t thread_t;
char buf[256];
int status;
int len;
send(nfc_sock, &nci_t4t_select_cmd3[3], sizeof(nci_t4t_select_cmd3) - 3, 0);
len = read(virtual_fd, buf, sizeof(nci_t4t_select_cmd3));
if (len < 0 || memcmp(buf, nci_t4t_select_cmd3, sizeof(nci_t4t_select_cmd3)))
return -1;
len = recv(nfc_sock, buf, sizeof(nci_t4t_rsp_ok), 0);
if (len != -1)
return -1;
status = pthread_create(&thread_t, NULL, virtual_deactivate_proc,
(void *)&virtual_fd);
close(nfc_sock);
pthread_join(thread_t, (void **)&status);
return status;
}
TEST_F(NCI, t4t_tag_read)
{
int nfc_sock;
int status;
status = start_polling(self->dev_idex, self->proto, self->virtual_nci_fd,
self->sd, self->fid, self->pid);
EXPECT_EQ(status, 0);
nfc_sock = connect_tag(self->dev_idex, self->virtual_nci_fd, self->sd,
self->fid, self->pid);
ASSERT_GT(nfc_sock, -1);
status = read_tag(nfc_sock, self->virtual_nci_fd);
ASSERT_EQ(status, 0);
status = disconnect_tag(nfc_sock, self->virtual_nci_fd);
EXPECT_EQ(status, 0);
}
TEST_F(NCI, deinit)
{
struct msgtemplate msg;
pthread_t thread_t;
int status;
int rc;
rc = get_nci_devid(self->sd, self->fid, self->pid, self->dev_idex,
&msg);
ASSERT_EQ(rc, 0);
EXPECT_EQ(get_dev_enable_state(&msg), 1);
if (self->isNCI2)
rc = pthread_create(&thread_t, NULL, virtual_deinit_v2,
(void *)&self->virtual_nci_fd);
else
rc = pthread_create(&thread_t, NULL, virtual_deinit,
(void *)&self->virtual_nci_fd);
ASSERT_GT(rc, -1);
rc = send_cmd_with_idx(self->sd, self->fid, self->pid,
NFC_CMD_DEV_DOWN, self->dev_idex);
EXPECT_EQ(rc, 0);
pthread_join(thread_t, (void **)&status);
self->open_state = 0;
ASSERT_EQ(status, 0);
rc = get_nci_devid(self->sd, self->fid, self->pid, self->dev_idex,
&msg);
ASSERT_EQ(rc, 0);
EXPECT_EQ(get_dev_enable_state(&msg), 0);
/* Test that operations that normally send packets to the driver
* don't cause issues when the device is already closed.
* Note: the send of NFC_CMD_DEV_UP itself still succeeds it's just
* that the device won't actually be up.
*/
close(self->virtual_nci_fd);
self->virtual_nci_fd = -1;
rc = send_cmd_with_idx(self->sd, self->fid, self->pid,
NFC_CMD_DEV_UP, self->dev_idex);
EXPECT_EQ(rc, 0);
}
TEST_HARNESS_MAIN
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