blob: 8d9aa644674ed548d9a3be1cd300f61e8384b0b3 [file] [log] [blame]
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/socket.h>
#include <near/nfc_copy.h>
#include <near/types.h>
#include <near/ndef.h>
#include "../src/near.h"
/* HACK HACK */
#ifndef AF_NFC
#define AF_NFC 39
#endif
#define SNEP_VERSION 0x10
/* Request codes */
#define SNEP_REQ_CONTINUE 0x00
#define SNEP_REQ_GET 0x01
#define SNEP_REQ_PUT 0x02
#define SNEP_REQ_REJECT 0x7f
/* Response codes */
#define SNEP_RESP_CONTINUE 0x80
#define SNEP_RESP_SUCCESS 0x81
#define SNEP_RESP_NOT_FOUND 0xc0
#define SNEP_RESP_EXCESS 0xc1
#define SNEP_RESP_BAD_REQ 0xc2
#define SNEP_RESP_NOT_IMPL 0xe0
#define SNEP_RESP_VERSION 0xe1
#define SNEP_RESP_REJECT 0xff
struct p2p_snep_req_frame {
uint8_t version;
uint8_t request;
uint32_t length;
uint8_t ndef[];
} __attribute__((packed));
int main(int argc, char *argv[])
{
int fd, len;
struct near_ndef_message *ndef;
int adapter_idx, target_idx;
struct sockaddr_nfc_llcp addr;
struct p2p_snep_req_frame *frame;
size_t frame_length;
if (argc < 3) {
printf("Usage: %s <adapter index> <target index>\n", argv[0]);
exit(0);
}
adapter_idx = atoi(argv[1]);
target_idx = atoi(argv[2]);
fd = socket(AF_NFC, SOCK_STREAM, NFC_SOCKPROTO_LLCP);
if (fd < 0)
return -1;
memset(&addr, 0, sizeof(struct sockaddr_nfc_llcp));
addr.sa_family = AF_NFC;
addr.dev_idx = adapter_idx;
addr.target_idx = target_idx;
addr.nfc_protocol = NFC_PROTO_NFC_DEP;
addr.service_name_len = strlen("urn:nfc:sn:snep");
strcpy(addr.service_name, "urn:nfc:sn:snep");
if (connect(fd, (struct sockaddr *)&addr,
sizeof(struct sockaddr_nfc_llcp)) < 0) {
near_error("Connect error %s\n", strerror(errno));
return -1;
}
ndef = near_ndef_prepare_text_record("UTF-8", "en", "Hello world");
if (ndef == NULL) {
close(fd);
near_error("Could not build NDEF");
return -1;
}
frame_length = sizeof(struct p2p_snep_req_frame) + ndef->length;
frame = g_try_malloc0(frame_length);
if (frame == NULL) {
close(fd);
near_error("Could not allocate SNEP frame");
return -1;
}
frame->version = SNEP_VERSION;
frame->request = SNEP_REQ_PUT;
frame->length = GUINT_TO_BE(ndef->length);
memcpy(frame->ndef, ndef->data, ndef->length);
len = send(fd, (uint8_t *)frame, frame_length, 0);
if (len < 0) {
near_error("Could not send text NDEF %s\n", strerror(errno));
g_free(frame);
close(fd);
return -1;
}
DBG("Sent %d bytes", len);
g_free(frame);
close(fd);
return 0;
}