mirror of
https://github.com/markqvist/tncattach.git
synced 2024-11-23 12:48:38 -05:00
Basic implementation done
This commit is contained in:
Mark Qvist
parent
4353d21717
commit
85ebb3d7b1
9
Constants.h
Normal file
9
Constants.h
Normal file
@ -0,0 +1,9 @@
|
||||
#define IF_TAP 1
|
||||
#define IF_TUN 2
|
||||
|
||||
#define ETHERNET_MIN_FRAME_SIZE 14
|
||||
#define TUN_MIN_FRAME_SIZE 5
|
||||
|
||||
#define MTU_MIN 74
|
||||
#define MTU_MAX 1522
|
||||
#define MTU_DEFAULT 329
|
||||
14
KISS.c
14
KISS.c
@ -12,8 +12,20 @@ uint8_t kiss_command = CMD_UNKNOWN;
|
||||
uint8_t frame_buffer[MAX_PAYLOAD];
|
||||
uint8_t write_buffer[MAX_PAYLOAD*2+3];
|
||||
|
||||
void kiss_frame_received(int frame_len) {
|
||||
extern bool verbose;
|
||||
extern int attached_if;
|
||||
extern void cleanup(void);
|
||||
|
||||
void kiss_frame_received(int frame_len) {
|
||||
if (verbose) printf("Got KISS frame\r\n");
|
||||
int written = write(attached_if, frame_buffer, frame_len);
|
||||
if (written == -1) {
|
||||
if (verbose) printf("Could not write received KISS frame to network interface, is the interface up?\r\n");
|
||||
} else if (written != frame_len) {
|
||||
printf("Error: Could only write %d of %d bytes to interface", written, frame_len);
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
void kiss_serial_read(uint8_t sbyte) {
|
||||
|
||||
5
KISS.h
5
KISS.h
@ -1,3 +1,6 @@
|
||||
#include <stdint.h>
|
||||
#include "Constants.h"
|
||||
|
||||
#define FEND 0xC0
|
||||
#define FESC 0xDB
|
||||
#define TFEND 0xDC
|
||||
@ -12,7 +15,7 @@
|
||||
#define CMD_FULLDUPLEX 0x05
|
||||
#define CMD_SETHARDWARE 0x06
|
||||
|
||||
#define MAX_PAYLOAD 1522
|
||||
#define MAX_PAYLOAD MTU_MAX
|
||||
|
||||
void kiss_serial_read(uint8_t sbyte);
|
||||
int kiss_write_frame(int serial_port, uint8_t* buffer, int frame_len);
|
||||
8
Serial.c
8
Serial.c
@ -1,11 +1,15 @@
|
||||
#include "Serial.h"
|
||||
|
||||
extern void cleanup();
|
||||
|
||||
int open_port(char* port) {
|
||||
int fd;
|
||||
fd = open(port, O_RDWR | O_NOCTTY | O_SYNC | O_NDELAY);
|
||||
|
||||
if (fd == -1) {
|
||||
perror("The serial port could not be opened");
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
fcntl(fd, F_SETFL, 0);
|
||||
}
|
||||
@ -85,7 +89,9 @@ bool setup_port(int fd, int speed) {
|
||||
set_speed(&tty, B230400);
|
||||
break;
|
||||
default:
|
||||
printf("Error: Invalid port speed %d specified", speed);
|
||||
printf("Error: Invalid port speed %d specified\r\n", speed);
|
||||
cleanup();
|
||||
exit(1);
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
2
Serial.h
2
Serial.h
@ -1,10 +1,12 @@
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
#include <termios.h>
|
||||
#include "Constants.h"
|
||||
|
||||
int open_port(char* port);
|
||||
int close_port(int fd);
|
||||
|
||||
129
TAP.c
129
TAP.c
@ -1,3 +1,132 @@
|
||||
#include "TAP.h"
|
||||
|
||||
char tap_name[IFNAMSIZ];
|
||||
|
||||
extern bool verbose;
|
||||
extern bool noipv6;
|
||||
extern bool set_ipv4;
|
||||
extern bool set_netmask;
|
||||
extern bool noup;
|
||||
extern int mtu;
|
||||
extern int device_type;
|
||||
extern char if_name[IFNAMSIZ];
|
||||
extern char* ipv4_addr;
|
||||
extern char* netmask;
|
||||
extern void cleanup();
|
||||
|
||||
int open_tap(void) {
|
||||
struct ifreq ifr;
|
||||
int fd = open("/dev/net/tun", O_RDWR);
|
||||
|
||||
if (fd < 0) {
|
||||
perror("Could not open clone device");
|
||||
exit(1);
|
||||
} else {
|
||||
memset(&ifr, 0, sizeof(ifr));
|
||||
// TODO: Enable PI header again?
|
||||
|
||||
if (device_type == IF_TAP) {
|
||||
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
|
||||
} else if (device_type == IF_TUN) {
|
||||
ifr.ifr_flags = IFF_TUN;
|
||||
} else {
|
||||
printf("Error: Unsupported interface type\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
strcpy(tap_name, "tnc%d");
|
||||
strncpy(ifr.ifr_name, tap_name, IFNAMSIZ);
|
||||
|
||||
if (ioctl(fd, TUNSETIFF, &ifr) < 0) {
|
||||
perror("Could not configure network interface");
|
||||
exit(1);
|
||||
} else {
|
||||
strcpy(if_name, ifr.ifr_name);
|
||||
|
||||
int inet = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (inet == -1) {
|
||||
perror("Could not open AF_INET socket\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
if (ioctl(inet, SIOCGIFFLAGS, &ifr) < 0) {
|
||||
perror("Could not get interface flags from kernel");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
ifr.ifr_mtu = mtu;
|
||||
if (ioctl(inet, SIOCSIFMTU, &ifr) < 0) {
|
||||
perror("Could not configure interface MTU");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (!noup) {
|
||||
ifr.ifr_flags |= IFF_UP | IFF_RUNNING;
|
||||
if (ioctl(inet, SIOCSIFFLAGS, &ifr) < 0) {
|
||||
perror("Could not bring up interface");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
if (set_ipv4) {
|
||||
struct ifreq a_ifr;
|
||||
struct sockaddr_in addr, snm;
|
||||
|
||||
memset(&a_ifr, 0, sizeof(a_ifr));
|
||||
memset(&addr, 0, sizeof(addr));
|
||||
memset(&snm, 0, sizeof(addr));
|
||||
strncpy(a_ifr.ifr_name, ifr.ifr_name, IFNAMSIZ);
|
||||
addr.sin_family = AF_INET;
|
||||
snm.sin_family = AF_INET;
|
||||
|
||||
int addr_conversion = inet_pton(AF_INET, ipv4_addr, &(addr.sin_addr));
|
||||
if (addr_conversion != 1) {
|
||||
printf("Error: Invalid IPv4 address specified\r\n");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
a_ifr.ifr_addr = *(struct sockaddr*)&addr;
|
||||
if (ioctl(inet, SIOCSIFADDR, &a_ifr) < 0) {
|
||||
perror("Could not set IP-address");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
if (set_netmask) {
|
||||
int snm_conversion = inet_pton(AF_INET, netmask, &(snm.sin_addr));
|
||||
if (snm_conversion != 1) {
|
||||
printf("Error: Invalid subnet mask specified\r\n");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
} else {
|
||||
a_ifr.ifr_addr = *(struct sockaddr*)&snm;
|
||||
if (ioctl(inet, SIOCSIFNETMASK, &a_ifr) < 0) {
|
||||
perror("Could not set subnet mask");
|
||||
close(inet);
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return fd;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int close_tap(int tap_fd) {
|
||||
return close(tap_fd);
|
||||
}
|
||||
16
TAP.h
16
TAP.h
@ -0,0 +1,16 @@
|
||||
#include <fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <linux/if.h>
|
||||
#include <linux/if_tun.h>
|
||||
//#include <sys/socket.h>
|
||||
//#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include "Constants.h"
|
||||
|
||||
int open_tap(void);
|
||||
int close_tap(int tap_fd);
|
||||
400
tncattach.c
400
tncattach.c
@ -1,44 +1,404 @@
|
||||
#include <stdlib.h>
|
||||
#include <stdbool.h>
|
||||
#include <signal.h>
|
||||
#include <poll.h>
|
||||
#include <argp.h>
|
||||
#include "Constants.h"
|
||||
#include "Serial.h"
|
||||
#include "KISS.h"
|
||||
#include "TAP.h"
|
||||
|
||||
#define BAUDRATE_DEFAULT 0
|
||||
#define SERIAL_BUFFER_SIZE 512
|
||||
|
||||
int attached_port;
|
||||
uint8_t serial_buffer[512];
|
||||
#define IF_FD_INDEX 0
|
||||
#define TNC_FD_INDEX 1
|
||||
#define N_FDS 2
|
||||
|
||||
struct pollfd fds[N_FDS];
|
||||
|
||||
int attached_tnc;
|
||||
int attached_if;
|
||||
|
||||
char if_name[IFNAMSIZ];
|
||||
|
||||
uint8_t serial_buffer[MTU_MAX];
|
||||
uint8_t if_buffer[MTU_MAX];
|
||||
|
||||
bool verbose = false;
|
||||
bool noipv6 = false;
|
||||
bool noup = false;
|
||||
bool daemonize = false;
|
||||
bool set_ipv4 = false;
|
||||
bool set_netmask = false;
|
||||
char* ipv4_addr;
|
||||
char* netmask;
|
||||
int mtu;
|
||||
int device_type = IF_TUN;
|
||||
|
||||
void cleanup(void) {
|
||||
close_port(attached_tnc);
|
||||
close_tap(attached_if);
|
||||
}
|
||||
|
||||
void signal_handler(int signal) {
|
||||
printf("\r\nClosing serial port...\r\n");
|
||||
close_port(attached_port);
|
||||
cleanup();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
void read_loop(tnc) {
|
||||
bool should_continue = true;
|
||||
while (should_continue) {
|
||||
int len = read(attached_port, serial_buffer, sizeof(serial_buffer));
|
||||
if (len > 0) {
|
||||
for (int i = 0; i < len; i++) {
|
||||
kiss_serial_read(serial_buffer[i]);
|
||||
bool is_ipv6(uint8_t* frame) {
|
||||
if (device_type == IF_TAP) {
|
||||
if (frame[12] == 0x86 && frame[13] == 0xdd) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} else if (device_type == IF_TUN) {
|
||||
if (frame[2] == 0x86 && frame[3] == 0xdd) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
printf("Error: Could not read from serial port, exiting now\r\n");
|
||||
close_port(attached_port);
|
||||
printf("Error: Unsupported interface type\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int main() {
|
||||
signal(SIGINT, signal_handler);
|
||||
void read_loop(void) {
|
||||
bool should_continue = true;
|
||||
int min_frame_size;
|
||||
if (device_type == IF_TAP) {
|
||||
min_frame_size = ETHERNET_MIN_FRAME_SIZE;
|
||||
} else if (device_type == IF_TUN) {
|
||||
min_frame_size = TUN_MIN_FRAME_SIZE;
|
||||
} else {
|
||||
printf("Error: Unsupported interface type\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
attached_port = open_port("/dev/tty.usbserial-");
|
||||
if (setup_port(attached_port, 115200)) {
|
||||
printf("Port open\r\n");
|
||||
read_loop(attached_port);
|
||||
while (should_continue) {
|
||||
|
||||
int poll_result = poll(fds, 2, -1);
|
||||
if (poll_result != -1) {
|
||||
for (int fdi = 0; fdi < N_FDS; fdi++) {
|
||||
if (fds[fdi].revents != 0) {
|
||||
// Check for hangup event
|
||||
if (fds[fdi].revents & POLLHUP) {
|
||||
if (fdi == IF_FD_INDEX) {
|
||||
printf("Received hangup from interface\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
if (fdi == TNC_FD_INDEX) {
|
||||
printf("Received hangup from TNC\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
// Check for error event
|
||||
if (fds[fdi].revents & POLLERR) {
|
||||
if (fdi == IF_FD_INDEX) {
|
||||
perror("Received error event from interface\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
if (fdi == TNC_FD_INDEX) {
|
||||
perror("Received error event from TNC\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
// If data is ready, read it
|
||||
if (fds[fdi].revents & POLLIN) {
|
||||
if (fdi == IF_FD_INDEX) {
|
||||
int if_len = read(attached_if, if_buffer, sizeof(if_buffer));
|
||||
if (if_len > 0) {
|
||||
if (if_len >= min_frame_size) {
|
||||
if (!noipv6 || (noipv6 && !is_ipv6(if_buffer))) {
|
||||
kiss_write_frame(attached_tnc, if_buffer, if_len);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
printf("Error: Could not read from network interface, exiting now\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
if (fdi == TNC_FD_INDEX) {
|
||||
int tnc_len = read(attached_tnc, serial_buffer, sizeof(serial_buffer));
|
||||
if (tnc_len > 0) {
|
||||
if (verbose) printf("Data from TNC: %d bytes.\r\n", tnc_len);
|
||||
for (int i = 0; i < tnc_len; i++) {
|
||||
kiss_serial_read(serial_buffer[i]);
|
||||
}
|
||||
} else {
|
||||
printf("Error: Could not read from TNC, exiting now\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
should_continue = false;
|
||||
}
|
||||
}
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
const char *argp_program_version = "tncattach 0.1.1";
|
||||
const char *argp_program_bug_address = "<mark@unsigned.io>";
|
||||
static char doc[] = "\r\nAttach TNC devices as system network interfaces\vAs an example, to attach the TNC connected to /dev/ttyUSB0 as a full ethernet device with an MTU of 576 bytes and assign an IPv4 address, use the following command:\r\n\r\n\ttncattach /dev/ttyUSB0 115200 -m 576 -e --ipv4 10.0.0.1/24\r\n\r\nTo create an interface that doesn't use ethernet, but transports IP directly, and filters IPv6 packets out, a command like the following can be used:\r\n\r\n\ttncattach /dev/ttyUSB0 115200 --noipv6 --ipv4 10.0.0.1/24";
|
||||
static char args_doc[] = "port baudrate";
|
||||
static struct argp_option options[] = {
|
||||
{ "mtu", 'm', "MTU", 0, "Specify interface MTU"},
|
||||
{ "daemon", 'd', 0, 0, "Run tncattach as a daemon"},
|
||||
{ "ethernet", 'e', 0, 0, "Create a full ethernet device"},
|
||||
{ "ipv4", 'i', "IP_ADDRESS", 0, "Configure an IPv4 address on interface"},
|
||||
{ "noipv6", 'n', 0, 0, "Filter IPv6 traffic from reaching TNC"},
|
||||
{ "noup", 1, 0, 0, "Only create interface, don't bring it up"},
|
||||
{ "verbose", 'v', 0, 0, "Enable verbose output"},
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
#define N_ARGS 2
|
||||
struct arguments {
|
||||
char *args[N_ARGS];
|
||||
char *ipv4;
|
||||
int baudrate;
|
||||
int mtu;
|
||||
bool tap;
|
||||
bool daemon;
|
||||
bool verbose;
|
||||
bool set_ipv4;
|
||||
bool set_netmask;
|
||||
bool noipv6;
|
||||
bool noup;
|
||||
};
|
||||
|
||||
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
|
||||
struct arguments *arguments = state->input;
|
||||
|
||||
switch (key) {
|
||||
case 'v':
|
||||
arguments->verbose = true;
|
||||
break;
|
||||
|
||||
case 'e':
|
||||
arguments->tap = true;
|
||||
break;
|
||||
|
||||
case 'm':
|
||||
arguments->mtu = atoi(arg);
|
||||
if (arguments->mtu < MTU_MIN || arguments->mtu > MTU_MAX) {
|
||||
printf("Error: Invalid MTU specified\r\n\r\n");
|
||||
argp_usage(state);
|
||||
}
|
||||
break;
|
||||
|
||||
case 'i':
|
||||
arguments->ipv4 = arg;
|
||||
arguments->set_ipv4 = true;
|
||||
|
||||
if (strchr(arg, '/')) {
|
||||
char* net = strchr(arg, '/');
|
||||
int pos = net-arg;
|
||||
ipv4_addr = (char*)malloc(pos+1);
|
||||
int mask = atoi(net+1);
|
||||
strncpy(ipv4_addr, arg, pos);
|
||||
switch (mask) {
|
||||
case 0:
|
||||
netmask = "0.0.0.0";
|
||||
break;
|
||||
case 1:
|
||||
netmask = "128.0.0.0";
|
||||
break;
|
||||
case 2:
|
||||
netmask = "192.0.0.0";
|
||||
break;
|
||||
case 3:
|
||||
netmask = "224.0.0.0";
|
||||
break;
|
||||
case 4:
|
||||
netmask = "240.0.0.0";
|
||||
break;
|
||||
case 5:
|
||||
netmask = "248.0.0.0";
|
||||
break;
|
||||
case 6:
|
||||
netmask = "252.0.0.0";
|
||||
break;
|
||||
case 7:
|
||||
netmask = "254.0.0.0";
|
||||
break;
|
||||
case 8:
|
||||
netmask = "255.0.0.0";
|
||||
break;
|
||||
case 9:
|
||||
netmask = "255.128.0.0";
|
||||
break;
|
||||
case 10:
|
||||
netmask = "255.192.0.0";
|
||||
break;
|
||||
case 11:
|
||||
netmask = "255.224.0.0";
|
||||
break;
|
||||
case 12:
|
||||
netmask = "255.240.0.0";
|
||||
break;
|
||||
case 13:
|
||||
netmask = "255.248.0.0";
|
||||
break;
|
||||
case 14:
|
||||
netmask = "255.252.0.0";
|
||||
break;
|
||||
case 15:
|
||||
netmask = "255.254.0.0";
|
||||
break;
|
||||
case 16:
|
||||
netmask = "255.255.0.0";
|
||||
break;
|
||||
case 17:
|
||||
netmask = "255.255.128.0";
|
||||
break;
|
||||
case 18:
|
||||
netmask = "255.255.192.0";
|
||||
break;
|
||||
case 19:
|
||||
netmask = "255.255.224.0";
|
||||
break;
|
||||
case 20:
|
||||
netmask = "255.255.240.0";
|
||||
break;
|
||||
case 21:
|
||||
netmask = "255.255.248.0";
|
||||
break;
|
||||
case 22:
|
||||
netmask = "255.255.252.0";
|
||||
break;
|
||||
case 23:
|
||||
netmask = "255.255.254.0";
|
||||
break;
|
||||
case 24:
|
||||
netmask = "255.255.255.0";
|
||||
break;
|
||||
case 25:
|
||||
netmask = "255.255.255.128";
|
||||
break;
|
||||
case 26:
|
||||
netmask = "255.255.255.192";
|
||||
break;
|
||||
case 27:
|
||||
netmask = "255.255.255.224";
|
||||
break;
|
||||
case 28:
|
||||
netmask = "255.255.255.240";
|
||||
break;
|
||||
case 29:
|
||||
netmask = "255.255.255.248";
|
||||
break;
|
||||
case 30:
|
||||
netmask = "255.255.255.252";
|
||||
break;
|
||||
case 31:
|
||||
netmask = "255.255.255.254";
|
||||
break;
|
||||
case 32:
|
||||
netmask = "255.255.255.255";
|
||||
break;
|
||||
|
||||
default:
|
||||
printf("Error: Invalid subnet mask specified\r\n");
|
||||
cleanup();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
arguments->set_netmask = true;
|
||||
} else {
|
||||
arguments->set_netmask = false;
|
||||
ipv4_addr = (char*)malloc(strlen(arg)+1);
|
||||
strcpy(ipv4_addr, arg);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case 'n':
|
||||
arguments->noipv6 = true;
|
||||
break;
|
||||
|
||||
case 'd':
|
||||
arguments->daemon = true;
|
||||
arguments->verbose = false;
|
||||
break;
|
||||
|
||||
case 1:
|
||||
arguments->noup = true;
|
||||
break;
|
||||
|
||||
case ARGP_KEY_ARG:
|
||||
// Check if there's now too many text arguments
|
||||
if (state->arg_num >= N_ARGS) argp_usage(state);
|
||||
|
||||
// If not add to args
|
||||
arguments->args[state->arg_num] = arg;
|
||||
break;
|
||||
|
||||
case ARGP_KEY_END:
|
||||
// Check if there's too few text arguments
|
||||
if (state->arg_num < N_ARGS) argp_usage(state);
|
||||
break;
|
||||
|
||||
default:
|
||||
return ARGP_ERR_UNKNOWN;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct argp argp = {options, parse_opt, args_doc, doc};
|
||||
int main(int argc, char **argv) {
|
||||
struct arguments arguments;
|
||||
signal(SIGINT, signal_handler);
|
||||
|
||||
arguments.baudrate = BAUDRATE_DEFAULT;
|
||||
arguments.mtu = MTU_DEFAULT;
|
||||
arguments.tap = false;
|
||||
arguments.verbose = false;
|
||||
arguments.set_ipv4 = false;
|
||||
arguments.set_netmask = false;
|
||||
arguments.noipv6 = false;
|
||||
arguments.daemon = false;
|
||||
arguments.noup = false;
|
||||
|
||||
argp_parse(&argp, argc, argv, 0, 0, &arguments);
|
||||
arguments.baudrate = atoi(arguments.args[1]);
|
||||
|
||||
if (arguments.daemon) daemonize = true;
|
||||
if (arguments.verbose) verbose = true;
|
||||
if (arguments.tap) device_type = IF_TAP;
|
||||
if (arguments.noipv6) noipv6 = true;
|
||||
if (arguments.set_ipv4) set_ipv4 = true;
|
||||
if (arguments.set_netmask) set_netmask = true;
|
||||
if (arguments.noup) noup = true;
|
||||
mtu = arguments.mtu;
|
||||
|
||||
attached_if = open_tap();
|
||||
attached_tnc = open_port(arguments.args[0]);
|
||||
if (setup_port(attached_tnc, arguments.baudrate)) {
|
||||
printf("TNC interface configured as %s\r\n", if_name);
|
||||
fds[IF_FD_INDEX].fd = attached_if;
|
||||
fds[IF_FD_INDEX].events = POLLIN;
|
||||
fds[TNC_FD_INDEX].fd = attached_tnc;
|
||||
fds[TNC_FD_INDEX].events = POLLIN;
|
||||
read_loop();
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user