int
main(int argc, char **argv)
{
char *dev = "/dev/ttyU0";
int c, fd;
FILE *dump;
while ((c = getopt(argc, argv, "f:")) != -1)
switch (c) {
case 'f':
dev = strdup(optarg);
break;
default:
break;
}
argc -= optind;
argv += optind;
dump = fopen("memdump", "w");
fd = open_tty(dev);
transfer(fd, dump, RAMEND);
close(fd);
fclose(dump);
return 0;
}
static void response_client_open_int(response_client_t *uclient, char *conn_str) {
char *first, *second, *third;
int len, port;
memset(uclient->connect_str, 0, sizeof(uclient->connect_str));
strncpy(uclient->connect_str, conn_str, strlen(conn_str));
len = strlen(uclient->connect_str);
uclient->connect_str[len] = '\0';
first = conn_str;
second = strchr(first, ':');
EXIT_IF_TRUE(second == NULL, "Invalid connection string\n");
*second = '\0';
second++;
if( 0 == strcmp(first, "udp") ) {
third = strchr(second, ':');
EXIT_IF_TRUE(third == NULL, "Invalid connection string for udp socket\n");
*third = '\0';
third++;
port = atoi(third);
open_udp_socket(uclient, second, port);
}
else if( 0 == strcmp(first, "tty") ) {
open_tty(uclient, second);
}
}
/**
* @brief Initialize the native_posix serial port
*
* @param dev UART device struct
*
* @return 0 (if it fails catastrophically, the execution is terminated)
*/
static int np_uart_init(struct device *dev)
{
struct native_uart_status *d;
d = (struct native_uart_status *)dev->driver_data;
if (IS_ENABLED(CONFIG_NATIVE_UART_0_ON_OWN_PTY)) {
int tty_fn = open_tty();
d->in_fd = tty_fn;
d->out_fd = tty_fn;
np_uart_driver_api.poll_in = np_uart_tty_poll_in;
} else { /* NATIVE_UART_0_ON_STDINOUT */
d->in_fd = STDIN_FILENO;
d->out_fd = STDOUT_FILENO;
np_uart_driver_api.poll_in = np_uart_stdin_poll_in;
if (isatty(STDIN_FILENO)) {
WARN("The UART driver has been configured to map to the"
" process stdin&out (NATIVE_UART_0_ON_STDINOUT), "
"but stdin seems to be left attached to the shell."
" This will most likely NOT behave as you want it "
"to. This option is NOT meant for interactive use "
"but for piping/feeding from/to files to the UART"
);
}
}
return 0;
}
int tty_fd(void)
{
static int fd = -1;
if (fd == -1)
fd = (isatty(STDOUT) ? STDOUT : open_tty());
return (fd);
}
int main( int argc, char *argv[] )
{
args( argc, argv );
open_tty();
if( isatty( packet_fd )) setup_tty();
nipp_attach( packet_fd );
rl_callback_handler_install( prompt, line_handler );
poll();
return EXIT_SUCCESS;
}
void init_all(t_all *all, int ac, char **av)
{
all->tty = open_tty();
init_termcap(all);
signals_handlers();
all->list = init_list(ac, av);
all->node = all->list;
((t_select *)all->node->content)->flags |= F_CURSOR;
bzero(&all->cursor, sizeof(int) * 2);
get_size_window(all);
all->maxlen = get_max_len(all->list);
}
/* Mode initialization. Reads configuration, checks if the kernel has
* support for mouse pointer and opens required files. */
int
selection_startup(struct mouse *m)
{
int i;
struct wsdisplay_char ch;
struct block *conf;
if (Initialized) {
log_warnx("selection mode already initialized");
return 1;
}
(void)memset(&Selmouse, 0, sizeof(struct selmouse));
Selmouse.sm_mouse = m;
conf = config_get_mode("selection");
Selmouse.sm_slowdown_x = block_get_propval_int(conf, "slowdown_x", 0);
Selmouse.sm_slowdown_y = block_get_propval_int(conf, "slowdown_y", 3);
if (block_get_propval_int(conf, "lefthanded", 0)) {
Selmouse.sm_but_select = 2;
Selmouse.sm_but_paste = 0;
} else {
Selmouse.sm_but_select = 0;
Selmouse.sm_but_paste = 2;
}
/* Open current tty */
(void)ioctl(Selmouse.sm_mouse->m_statfd, WSDISPLAYIO_GETACTIVESCREEN,
&i);
Selmouse.sm_ttyfd = -1;
open_tty(i);
/* Check if the kernel has character functions */
ch.row = ch.col = 0;
if (ioctl(Selmouse.sm_ttyfd, WSDISPLAYIO_GETWSCHAR, &ch) < 0) {
(void)close(Selmouse.sm_ttyfd);
log_warn("ioctl(WSDISPLAYIO_GETWSCHAR) failed");
return 0;
}
assert(Selmouse.sm_max_y != 0); /* Initialized by open_tty above. */
assert(Selmouse.sm_max_x != 0); /* Initialized by open_tty above. */
Selmouse.sm_y = Selmouse.sm_max_y / 2;
Selmouse.sm_x = Selmouse.sm_max_x / 2;
Selmouse.sm_count_y = 0;
Selmouse.sm_count_x = 0;
Selmouse.sm_visible = 0;
Selmouse.sm_selecting = 0;
Initialized = 1;
return 1;
}
int main(int argc, char **argv)
{
if (argc == 2) {
port_name = argv[1];
}
//printf("Using %s as serial device.\n", port_name);
char ttybuf[255];
tty_fd = open_tty();
if (tty_fd < 0) {
//printf("Error opening terminal.\n");
return (1);
}
install_sighandler();
if (init() < 0) {
//printf("Cannot open port.\r\n");
exit(1);
}
while (1) {
int n = read(tty_fd, ttybuf, sizeof(ttybuf));
int i;
/* check for 0x3 (ctrl-c), clean exit */
for (i = 0; i < n; i++) {
if (ttybuf[i] == 0x3) {
if (i > 0) {
write_serial_port(ttybuf, i);
}
close_serial_port();
close_tty();
system("tset -c");
return 0;
}
}
write_serial_port(ttybuf, n);
}
close_tty();
close_serial_port();
return 0;
}
int main(int argc, char **argv)
{
run_as_emulator(argv[0]);
init_settings();
term_fd = open_tty();
if (term_fd < 0) {
printf("Unable to open I/O to terminal (/dev/tty), r=%d\n",
term_fd);
sleep(1);
exit(1);
}
create_window(&argc, &argv);
run_gui();
close_serial_port();
close(term_fd);
return 0;
}
static void spawn_shell_on(char *tty)
{
if (!fork()) {
close(0);
close(1);
close(2);
if (-1 == open_tty(tty)) {
exit(1);
}
chdir(home);
printf(hi, NULL);
printf(tty, NULL);
printf("\n");
execve(sh, empty, empty);
fprintf(stderr, "exec failed!\n");
}
}
/* Parse wscons status events. */
void
selection_wscons_event(struct wscons_event evt, int preclose)
{
switch (evt.type) {
case WSCONS_EVENT_SCREEN_SWITCH:
if (preclose) {
if (Selmouse.sm_selecting)
selarea_hide();
cursor_hide();
} else {
if (!Selmouse.sm_mouse->m_disabled)
open_tty(evt.value);
cursor_show();
if (Selmouse.sm_selecting)
selarea_show();
}
break;
}
}
int main(int argc, char **argv, char **envp)
{
int devdir, ii;
dirent_t d;
int status;
for (ii = 0; ii < NFILES; ii++)
close(ii);
ii = ii;
if (-1 == open_tty("/dev/tty0")) {
exit(1);
}
chdir("/dev");
devdir = open("/dev", O_RDONLY, 0);
while(getdents(devdir, &d, sizeof(d)) > 0) {
if (0 == strncmp(d.d_name, ttystr, strlen(ttystr))) {
spawn_shell_on(d.d_name);
}
}
close(devdir);
int pid;
while (0 <= (pid = wait(&status))) {
if (EFAULT == status) {
printf("process %i faulted\n", pid);
}
}
if (ECHILD != errno) {
printf("error: wait: %s\n", strerror(errno));
return 1;
} else {
printf(alldone, NULL);
return 0;
}
}
int main()
{
int fd = 0;
struct termios oldtio,newtio;
int return_val = 0;
char ch;
fd = open_tty();
set_com_config(fd, BAUDRATE, 8, 'N', 1);
while(1)
{
return_val = read(fd, buffer, 1000);
if(return_val > 0)
{
printf("%s", buffer);
}
}
// write(fd, buffer2, sizeof(buffer2));
//close dev tty.
close(fd);
return 0;
}
static void open_file() {
struct stat st;
static int i=1;
const char * filename = g_argv[i++];
// Close previous file
if (gcode_fd) close(gcode_fd);
gcode_fd = 0;
// No more files
if (i > g_argc) return;
sim_info("Opening G-code source %s.", filename);
sim_assert(!stat(filename, &st), "Could not stat G-code source.");
if (!st.st_rdev) {
// Normal file
gcode_fd = open(filename, O_RDONLY );
sim_assert(gcode_fd, "Could not open G-code file.");
} else {
// Some kind of device (treat as TTY)
open_tty(filename);
}
}
void SerialPort::Open()
{
if (IsOpen)
Close();
if (PortName.empty())
return;
BaseStream = open_tty(PortName.c_str());
if (BaseStream < 0)
return;
IsOpen = true;
OnChangeBufferSize();
if (BaudRate > 0)
{
if (DataBits == 8 && stopbits == One && parity == None)
{
setup_tty(BaseStream, BaudRate);
}
else
{
setup_tty_option(BaseStream, DataBits, stopbits, parity);
setup_tty_speed(BaseStream, BaudRate);
}
}
}
static void
sparclite_open (char *name, int from_tty)
{
struct cleanup *old_chain;
int c;
char *p;
if (!name)
error ("You need to specify what device or hostname is associated with the SparcLite board.");
target_preopen (from_tty);
unpush_target (&sparclite_ops);
if (remote_target_name)
xfree (remote_target_name);
remote_target_name = xstrdup (name);
/* We need a 'serial' or 'udp' keyword to disambiguate host:port, which can
mean either a serial port on a terminal server, or the IP address of a
SPARClite demo board. If there's no colon, then it pretty much has to be
a local device (except for DOS... grrmble) */
p = strchr (name, ' ');
if (p)
{
*p++ = '\000';
while ((*p != '\000') && isspace (*p))
p++;
if (strncmp (name, "serial", strlen (name)) == 0)
serial_flag = 1;
else if (strncmp (name, "udp", strlen (name)) == 0)
serial_flag = 0;
else
error ("Must specify either `serial' or `udp'.");
}
else
{
p = name;
if (!strchr (name, ':'))
serial_flag = 1; /* No colon is unambiguous (local device) */
else
error ("Usage: target sparclite serial /dev/ttyb\n\
or: target sparclite udp host");
}
if (serial_flag)
{
remote_desc = open_tty (p);
old_chain = make_cleanup (close_tty, 0 /*ignore*/);
c = send_resp (remote_desc, 0x00);
if (c != 0xaa)
error ("Unknown response (0x%x) from SparcLite. Try resetting the board.",
c);
c = send_resp (remote_desc, 0x55);
if (c != 0x55)
error ("Sparclite appears to be ill.");
}
else
{
#ifdef HAVE_SOCKETS
struct hostent *he;
struct sockaddr_in sockaddr;
unsigned char buffer[100];
int cc;
/* Setup the socket. Must be raw UDP. */
he = gethostbyname (p);
if (!he)
error ("No such host %s.", p);
udp_fd = socket (PF_INET, SOCK_DGRAM, 0);
old_chain = make_cleanup (close, udp_fd);
sockaddr.sin_family = PF_INET;
sockaddr.sin_port = htons (7000);
memcpy (&sockaddr.sin_addr.s_addr, he->h_addr, sizeof (struct in_addr));
if (connect (udp_fd, &sockaddr, sizeof (sockaddr)))
perror_with_name ("Connect failed");
buffer[0] = 0x5;
buffer[1] = 0;
send_udp_buf (udp_fd, buffer, 2); /* Request version */
cc = recv_udp_buf (udp_fd, buffer, sizeof (buffer), 5); /* Get response */
if (cc == 0)
error ("SPARClite isn't responding.");
if (cc < 3)
error ("SPARClite appears to be ill.");
#else
error ("UDP downloading is not supported for DOS hosts.");
#endif /* HAVE_SOCKETS */
}
printf_unfiltered ("[SPARClite appears to be alive]\n");
push_target (&sparclite_ops);
discard_cleanups (old_chain);
return;
}
/*
* Get input from console
*/
bool
get_console_input (const char *prompt, const bool echo, char *input, const int capacity)
{
bool ret = false;
ASSERT (prompt);
ASSERT (input);
ASSERT (capacity > 0);
input[0] = '\0';
#ifdef ENABLE_SYSTEMD
if (check_systemd_running ())
return get_console_input_systemd (prompt, echo, input, capacity);
#endif
#if defined(WIN32)
return get_console_input_win32 (prompt, echo, input, capacity);
#elif defined(HAVE_GETPASS)
/* did we --daemon'ize before asking for passwords?
* (in which case neither stdin or stderr are connected to a tty and
* /dev/tty can not be open()ed anymore)
*/
if ( !isatty(0) && !isatty(2) )
{
int fd = open( "/dev/tty", O_RDWR );
if ( fd < 0 )
{ msg(M_FATAL, "neither stdin nor stderr are a tty device and you have neither a controlling tty nor systemd - can't ask for '%s'. If you used --daemon, you need to use --askpass to make passphrase-protected keys work, and you can not use --auth-nocache.", prompt ); }
close(fd);
}
if (echo)
{
FILE *fp;
fp = open_tty (true);
fprintf (fp, "%s", prompt);
fflush (fp);
close_tty (fp);
fp = open_tty (false);
if (fgets (input, capacity, fp) != NULL)
{
chomp (input);
ret = true;
}
close_tty (fp);
}
else
{
char *gp = getpass (prompt);
if (gp)
{
strncpynt (input, gp, capacity);
memset (gp, 0, strlen (gp));
ret = true;
}
}
#else
msg (M_FATAL, "Sorry, but I can't get console input on this OS (%s)", prompt);
#endif
return ret;
}
int
main(int argc, char *argv[])
{
global.argv0 = argv[0];
global.tun_fd = -1;
global.tty_fd = -1;
global.address = (char *)"192.168.8.1/24";
global.tty = (char *)"/dev/ttyS0";
global.baudrate = 19200;
global.mtu = 174;
global.up = NULL;
atexit(cleanup);
fd_set fds;
char netbuf[1600];
char recvbuf[1600], c;
int recvlen = 0;
const struct option longopts[] = {
{"help", no_argument, 0, 'h'},
{"baudrate", required_argument, 0, 'r'},
{"address", required_argument, 0, 'a'},
{"device", required_argument, 0, 'd'},
{"mtu", required_argument, 0, 'm'},
{"up", required_argument, 0, 'u'},
{0, 0, 0, 0}
};
while ((c = getopt_long(argc, argv, "hr:a:d:u:", longopts, 0)) != -1) {
switch(c) {
case 'h':
usage();
exit(EXIT_SUCCESS);
case 'r':
global.baudrate = atoi(optarg);
break;
case 'a':
global.address = optarg;
break;
case 'd':
global.tty = optarg;
break;
case 'u':
global.up = optarg;
break;
default:
die("Try `--help' for more information.");
}
}
open_tun("zbus%d", global.address);
open_tty(global.tty, global.baudrate);
/* Execute the up command */
if (global.up)
system(global.up);
int fm = max(global.tun_fd, global.tty_fd) + 1;
while(1){
FD_ZERO(&fds);
FD_SET(global.tun_fd, &fds);
FD_SET(global.tty_fd, &fds);
select(fm, &fds, NULL, NULL, NULL);
/* Incoming Packets
* WARNING: This piece of code grew */
if( FD_ISSET(global.tty_fd, &fds) ) {
int packet_ended = 0, attached = 0;
int timeout = 0, first_packet = 1;
int packet_began = 0, escaped = 0;
while(1) {
// Read from device
int i, l = read(global.tty_fd, netbuf, sizeof(netbuf));
if (l == 0) {
fprintf(stderr, "%s: read from device returned 0 bytes (terminating)\n",
global.argv0);
exit(EXIT_SUCCESS);
} else if (l < 0) {
if (errno != EAGAIN)
die("read from device failed: %s\n", strerror(errno));
else {
timeout += 1;
if (timeout > 10) {
printf("Packet timeout\n");
break;
}
usleep(3000);
continue;
}
}
timeout = 0;
// decoder
attached = 0;
if (l == 1 && escaped && netbuf[0] == '1') {
packet_ended = 1;
attached = 1;
recvlen -= 1;
}
for (i = 0; i < l - 1; i++) {
if (netbuf[i] == '\\' && netbuf[i+1] == '0') {
// printf("Packet start %d: %d\n", i + 2, l - i - 2);
recvlen = l - i - 2;
memcpy(recvbuf, netbuf + i + 2, l - i - 2);
attached = 1;
packet_began = 1;
}
else if (netbuf[i] == '\\' && netbuf[i+1] == '1') {
// printf("Packet stop %d: %d\n", i -1, i);
if (attached) {
recvlen = i - 2;
packet_ended = 1;
} else {
memcpy(recvbuf + recvlen , netbuf, i);
recvlen += i;
packet_ended = 1;
attached = 1;
}
}
}
if (! attached ) {
//printf("Packet body: %d\n", l);
if (netbuf[l - 1] == '\\' && netbuf[l - 2] != '\\') {
escaped = 1;
// printf("escape\n");
} else
escaped = 0;
if (l == 1)
printf("%d\n", netbuf[0]);
memcpy(recvbuf + recvlen , netbuf, l);
recvlen += l;
}
if (packet_ended) break;
if (first_packet && ! packet_began) break;
first_packet = 0;
}
if (packet_ended) {
//printf(">> ");
int p1, p2 ;
for (p1 = 0, p2 = 0; p1 < recvlen; p1++){
if(recvbuf[p1] == '\\')
p1 ++;
recvbuf[p2++] = recvbuf[p1];
//printf("%02x ", (uint8_t)recvbuf[p2 -1]);
}
//printf("\n");
write(global.tun_fd, recvbuf, p2);
}
}
// Outgoing packets
if( FD_ISSET(global.tun_fd, &fds) ) {
int l = read(global.tun_fd, netbuf, sizeof(netbuf));
char *p = netbuf;
set_rts(global.tty_fd, 1);
write(global.tty_fd, "\\0", 2);
while (l > 0) {
//printf("%02x ", (uint8_t) p[0]);
if (*p == '\\')
write(global.tty_fd, "\\\\", 2);
else
write(global.tty_fd, p, 1);
p++; l--;
}
//putchar('\n');
write(global.tty_fd, "\\1", 2);
set_rts(global.tty_fd, 0);
}
}
return 0;
}
int $UPROTO$_server_proc(void *param) {
int ret;
unsigned int len;
int port;
char *first, *second, *third;
char cnt_str[30];
pj_sockaddr_in caddr;
char *caddr_str;
pj_time_val timeout;
pj_fd_set_t read_fds;
char buffer[USERVER_BUFSIZE];
$UPROTO$_request_t request;
$UPROTO$_server_t *userver = ($UPROTO$_server_t *)param;
ansi_copy_str(cnt_str, userver->connect_str);
first = cnt_str;
second = strchr(first, ':');
EXIT_IF_TRUE(second == NULL, "Wrong connection string format\n");
*second = '\0';
second++;
if(0 == strcmp(first, "udp")) {
third = strchr(second, ':');
EXIT_IF_TRUE(third == NULL, "Wrong connection string format\n");
*third = '\0';
third++;
port = atoi(third);
open_udp_socket(userver, second, port);
if (userver->on_open_socket_f != NULL)
userver->on_open_socket_f(userver);
userver->recv_f = &udp_recvfrom;
userver->send_f = &udp_sendto;
}
else if( 0 == strcmp(first, "tty") ) {
open_tty(userver, second);
userver->recv_f = &tty_recvfrom;
userver->send_f = &tty_sendto;
}
else {
EXIT_IF_TRUE(1, "Unsuported protocol\n");
}
// thread loop
timeout.sec = 0;
timeout.msec = 100;
userver->is_end = 0;
while( !userver->is_end ) {
while (!userver->is_online) {
SHOW_LOG(3, "Server is currently offline...\n");
//usleep(8*1000*1000);
pj_thread_sleep(1000);
}
PJ_FD_ZERO(&read_fds);
PJ_FD_SET(userver->fd, &read_fds);
pj_mutex_lock(userver->mutex);
ret = pj_sock_select(userver->fd + 1, &read_fds, NULL, NULL, &timeout);
pj_mutex_unlock(userver->mutex);
EXIT_IF_TRUE(ret < 0, "Error on server socket\n");
if( PJ_FD_ISSET(userver->fd, &read_fds) ) {
len = sizeof(caddr);
pj_bzero(&caddr, len);
pj_mutex_lock(userver->mutex);
ret = userver->recv_f(userver->fd, buffer, USERVER_BUFSIZE, (void *)&caddr, &len);
pj_mutex_unlock(userver->mutex);
caddr_str = pj_inet_ntoa(caddr.sin_addr);
if( ret > 0 ) {
buffer[ret] = '\0';
SHOW_LOG(5, "Received from client: %s\n", buffer);
$UPROTO$_parse_request(buffer, ret, &request);
userver->on_request_f(userver, &request, caddr_str);
}
}
//usleep(100*1000);
pj_thread_sleep(100);
// if userver->fd is ready to write. When write finish, call userver->on_sent();
// else --> time out
}
return 0;
}
int $UPROTO$_secure_server_proc(void *param) {
int ret;
unsigned int len;
int port;
char *first, *second, *third;
char cnt_str[30];
pj_sockaddr_in caddr;
char *caddr_str;
pj_time_val timeout;
pj_fd_set_t read_fds;
char buffer[USERVER_BUFSIZE];
$UPROTO$_request_t request;
// For lvc parsing
lvc_t lvc;
int len1;
char *val;
uint32_t *ts;
char sts[32];
char plain[USERVER_BUFSIZE];
char *pph;
char otp[32];
pj_str_t pjstr;
// End for lvc parsing
$UPROTO$_server_t *userver = ($UPROTO$_server_t *)param;
ansi_copy_str(cnt_str, userver->connect_str);
first = cnt_str;
second = strchr(first, ':');
EXIT_IF_TRUE(second == NULL, "Wrong connection string format\n");
*second = '\0';
second++;
if(0 == strcmp(first, "udp")) {
third = strchr(second, ':');
EXIT_IF_TRUE(third == NULL, "Wrong connection string format\n");
*third = '\0';
third++;
port = atoi(third);
open_udp_socket(userver, second, port);
if (userver->on_open_socket_f != NULL)
userver->on_open_socket_f(userver);
userver->recv_f = &udp_recvfrom;
userver->send_f = &udp_sendto;
}
else if( 0 == strcmp(first, "tty") ) {
open_tty(userver, second);
userver->recv_f = &tty_recvfrom;
userver->send_f = &tty_sendto;
}
else {
EXIT_IF_TRUE(1, "Unsuported protocol\n");
}
// thread loop
timeout.sec = 0;
timeout.msec = 100;
userver->is_end = 0;
while( !userver->is_end ) {
while (!userver->is_online) {
SHOW_LOG(3, "Server is currently offline...\n");
pj_thread_sleep(1000);
}
PJ_FD_ZERO(&read_fds);
PJ_FD_SET(userver->fd, &read_fds);
pj_mutex_lock(userver->mutex);
ret = pj_sock_select(userver->fd + 1, &read_fds, NULL, NULL, &timeout);
pj_mutex_unlock(userver->mutex);
EXIT_IF_TRUE(ret < 0, "Error on server socket\n");
if( PJ_FD_ISSET(userver->fd, &read_fds) ) {
len = sizeof(caddr);
pj_bzero(&caddr, len);
pj_mutex_lock(userver->mutex);
ret = userver->recv_f(userver->fd, buffer, USERVER_BUFSIZE, (void *)&caddr, &len);
pj_mutex_unlock(userver->mutex);
caddr_str = pj_inet_ntoa(caddr.sin_addr);
if( ret > 0 ) {
buffer[ret] = '\0';
lvc_init(&lvc, buffer, ret);
lvc_unpack(&lvc, &len, &val);
pj_strset(&pjstr, val, len);
pph = userver->get_pph_f(&pjstr);
if( pph != NULL ) {
lvc_unpack(&lvc, &len, &val);
ts = (uint32_t *)val;
ts2str(*ts, sts);
lvc_unpack(&lvc, &len, &val);
generate_otp(otp, pph, sts);
do_decrypt(val, len, plain, &len1, otp);
if( pj_ansi_strncmp(sts, plain, len1) == 0 ) {
lvc_unpack(&lvc, &len, &val);
do_decrypt(val, len, plain, &len1, otp);
plain[len1] = '\0';
$UPROTO$_parse_request(plain, len1, &request);
userver->on_request_f(userver, &request, caddr_str);
}
}
//else {
//}
}
}
pj_thread_sleep(100);
}
return 0;
}
int pppd(struct pppd_settings_s *pppd_settings)
{
struct pollfd fds[2];
int ret;
struct ppp_context_s *ctx;
ctx = (struct ppp_context_s*)malloc(sizeof(struct ppp_context_s));
memset(ctx, 0, sizeof(struct ppp_context_s));
strcpy((char*)ctx->ifname, "ppp%d");
ctx->settings = pppd_settings;
ctx->if_fd = tun_alloc((char*)ctx->ifname);
if (ctx->if_fd < 0)
{
free(ctx);
return 2;
}
ctx->ctl.fd = open_tty(pppd_settings->ttyname);
if (ctx->ctl.fd < 0)
{
close(ctx->ctl.fd);
free(ctx);
return 2;
}
ctx->ctl.echo = true;
ctx->ctl.verbose = true;
ctx->ctl.timeout = 30;
fds[0].fd = ctx->if_fd;
fds[0].events = POLLIN;
fds[1].fd = ctx->ctl.fd;
fds[1].events = POLLIN;
ppp_init(ctx);
ppp_reconnect(ctx);
while (1)
{
fds[0].revents = fds[1].revents = 0;
ret = poll(fds, 2, 1000);
if (ret > 0 && fds[0].revents & POLLIN)
{
ret = read(ctx->if_fd, ctx->ip_buf, PPP_RX_BUFFER_SIZE);
printf("read from tun :%i\n", ret);
if (ret > 0)
{
ctx->ip_len = ret;
ppp_send(ctx);
ctx->ip_len = 0;
}
}
ppp_poll(ctx);
if (ppp_check_errors(ctx))
{
ppp_reconnect(ctx);
}
else
{
if (ctx->ip_len > 0)
{
ret = write(ctx->if_fd, ctx->ip_buf, ctx->ip_len);
ctx->ip_len = 0;
ret = read(ctx->if_fd, ctx->ip_buf, PPP_RX_BUFFER_SIZE);
if (ret > 0)
{
ctx->ip_len = ret;
ppp_send(ctx);
ctx->ip_len = 0;
}
}
}
}
return 1;
}
int main(int argc, char *argv[])
{
int tty = open_tty("/dev/ttyS1");
int sockfd, portno, n;
struct sockaddr_in serv_addr;
struct hostent *server;
char buffer[256];
if (argc < 3) {
fprintf(stderr,"usage %s hostname port\n", argv[0]);
exit(0);
}
portno = atoi(argv[2]);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
server = gethostbyname(argv[1]);
if (server == NULL) {
fprintf(stderr,"ERROR, no such host\n");
exit(0);
}
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr,
(char *)&serv_addr.sin_addr.s_addr,
server->h_length);
serv_addr.sin_port = htons(portno);
signal(SIGPIPE, SIG_IGN);
if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0)
error("ERROR connecting");
memset(buffer, '\0', 256);
buffer[0] = 'a';
while(1){
write(tty, "U", 1);
n = write(sockfd, buffer, strlen(buffer));
if (n < 0){
printf("re-connecting\n");
close(sockfd);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
write(tty, "UU", 1);
if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0)
error("ERROR connecting");
// error("ERROR writing to socket");
}
sleep(1);
}
printf("Exit");
//
// bzero(buffer,256);
// n = read(sockfd,buffer,255);
// if (n < 0)
// error("ERROR reading from socket");
// printf("%s\n",buffer);
return 0;
}
/*
* Detach the controlling terminal, fork, restore syslog stuff, and create
* a new session.
*/
static void fork_session(struct login_context *cxt)
{
struct sigaction sa, oldsa_hup, oldsa_term;
signal(SIGALRM, SIG_DFL);
signal(SIGQUIT, SIG_DFL);
signal(SIGTSTP, SIG_IGN);
memset(&sa, 0, sizeof(sa));
sa.sa_handler = SIG_IGN;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGHUP, &sa, &oldsa_hup); /* ignore when TIOCNOTTY */
/*
* Detach the controlling tty.
* We don't need the tty in a parent who only waits for a child.
* The child calls setsid() that detaches from the tty as well.
*/
ioctl(0, TIOCNOTTY, NULL);
/*
* We have to beware of SIGTERM, because leaving a PAM session
* without pam_close_session() is a pretty bad thing.
*/
sa.sa_handler = sig_handler;
sigaction(SIGHUP, &sa, NULL);
sigaction(SIGTERM, &sa, &oldsa_term);
closelog();
/*
* We must fork before setuid(), because we need to call
* pam_close_session() as root.
*/
child_pid = fork();
if (child_pid < 0) {
warn(_("fork failed"));
pam_setcred(cxt->pamh, PAM_DELETE_CRED);
pam_end(cxt->pamh, pam_close_session(cxt->pamh, 0));
sleepexit(EXIT_FAILURE);
}
if (child_pid) {
/*
* parent - wait for child to finish, then clean up session
*/
close(0);
close(1);
close(2);
sa.sa_handler = SIG_IGN;
sigaction(SIGQUIT, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
/* wait as long as any child is there */
while (wait(NULL) == -1 && errno == EINTR) ;
openlog("login", LOG_ODELAY, LOG_AUTHPRIV);
pam_setcred(cxt->pamh, PAM_DELETE_CRED);
pam_end(cxt->pamh, pam_close_session(cxt->pamh, 0));
exit(EXIT_SUCCESS);
}
/*
* child
*/
sigaction(SIGHUP, &oldsa_hup, NULL); /* restore old state */
sigaction(SIGTERM, &oldsa_term, NULL);
if (got_sig)
exit(EXIT_FAILURE);
/*
* Problem: if the user's shell is a shell like ash that doesn't do
* setsid() or setpgrp(), then a ctrl-\, sending SIGQUIT to every
* process in the pgrp, will kill us.
*/
/* start new session */
setsid();
/* make sure we have a controlling tty */
open_tty(cxt->tty_path);
openlog("login", LOG_ODELAY, LOG_AUTHPRIV); /* reopen */
/*
* TIOCSCTTY: steal tty from other process group.
*/
if (ioctl(0, TIOCSCTTY, 1))
syslog(LOG_ERR, _("TIOCSCTTY failed: %m"));
signal(SIGINT, SIG_DFL);
}
/*
* Reads the currect terminal path and initializes cxt->tty_* variables.
*/
static void init_tty(struct login_context *cxt)
{
struct stat st;
struct termios tt, ttt;
cxt->tty_mode = (mode_t) getlogindefs_num("TTYPERM", TTY_MODE);
get_terminal_name(0, &cxt->tty_path, &cxt->tty_name, &cxt->tty_number);
/*
* In case login is suid it was possible to use a hardlink as stdin
* and exploit races for a local root exploit. (Wojciech Purczynski).
*
* More precisely, the problem is ttyn := ttyname(0); ...; chown(ttyn);
* here ttyname() might return "/tmp/x", a hardlink to a pseudotty.
* All of this is a problem only when login is suid, which it isn't.
*/
if (!cxt->tty_path || !*cxt->tty_path ||
lstat(cxt->tty_path, &st) != 0 || !S_ISCHR(st.st_mode) ||
(st.st_nlink > 1 && strncmp(cxt->tty_path, "/dev/", 5)) ||
access(cxt->tty_path, R_OK | W_OK) != 0) {
syslog(LOG_ERR, _("FATAL: bad tty"));
sleepexit(EXIT_FAILURE);
}
#ifdef LOGIN_CHOWN_VCS
if (cxt->tty_number) {
/* find names of Virtual Console devices, for later mode change */
snprintf(cxt->vcsn, sizeof(cxt->vcsn), "/dev/vcs%s", cxt->tty_number);
snprintf(cxt->vcsan, sizeof(cxt->vcsan), "/dev/vcsa%s", cxt->tty_number);
}
#endif
tcgetattr(0, &tt);
ttt = tt;
ttt.c_cflag &= ~HUPCL;
if ((fchown(0, 0, 0) || fchmod(0, cxt->tty_mode)) && errno != EROFS) {
syslog(LOG_ERR, _("FATAL: %s: change permissions failed: %m"),
cxt->tty_path);
sleepexit(EXIT_FAILURE);
}
/* Kill processes left on this tty */
tcsetattr(0, TCSANOW, &ttt);
/*
* Let's close file decriptors before vhangup
* https://lkml.org/lkml/2012/6/5/145
*/
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
signal(SIGHUP, SIG_IGN); /* so vhangup() wont kill us */
vhangup();
signal(SIGHUP, SIG_DFL);
/* open stdin,stdout,stderr to the tty */
open_tty(cxt->tty_path);
/* restore tty modes */
tcsetattr(0, TCSAFLUSH, &tt);
}
int kmscon_vt_open(struct kmscon_vt *vt, int id, struct ev_eloop *eloop)
{
struct termios raw_attribs;
struct vt_mode mode;
struct vt_stat vts;
int ret;
sigset_t mask;
if (vt->fd >= 0)
return -EALREADY;
log_debug("open vt %p", vt);
ret = open_tty(id, &vt->fd, &vt->num);
if (ret)
return ret;
ret = connect_eloop(vt, eloop);
if (ret)
goto err_fd;
/*
* Get the number of the VT which is active now, so we have something
* to switch back to in kmscon_vt_switch_leave.
*/
ret = ioctl(vt->fd, VT_GETSTATE, &vts);
if (ret) {
log_warn("cannot find the currently active VT");
vt->saved_num = -1;
} else {
vt->saved_num = vts.v_active;
}
if (tcgetattr(vt->fd, &vt->saved_attribs) < 0) {
log_err("cannot get terminal attributes");
ret = -EFAULT;
goto err_eloop;
}
/* Ignore control characters and disable echo */
raw_attribs = vt->saved_attribs;
cfmakeraw(&raw_attribs);
/* Fix up line endings to be normal (cfmakeraw hoses them) */
raw_attribs.c_oflag |= OPOST | OCRNL;
if (tcsetattr(vt->fd, TCSANOW, &raw_attribs) < 0)
log_warn("cannot put terminal into raw mode");
if (ioctl(vt->fd, KDSETMODE, KD_GRAPHICS)) {
log_err("vt: cannot set graphics mode\n");
ret = -errno;
goto err_reset;
}
memset(&mode, 0, sizeof(mode));
mode.mode = VT_PROCESS;
mode.relsig = SIGUSR1;
mode.acqsig = SIGUSR2;
if (ioctl(vt->fd, VT_SETMODE, &mode)) {
log_err("cannot take control of vt handling");
ret = -errno;
goto err_text;
}
sigemptyset(&mask);
sigaddset(&mask, SIGUSR1);
sigaddset(&mask, SIGUSR2);
sigprocmask(SIG_BLOCK, &mask, NULL);
return 0;
err_text:
ioctl(vt->fd, KDSETMODE, KD_TEXT);
err_reset:
tcsetattr(vt->fd, TCSANOW, &vt->saved_attribs);
err_eloop:
disconnect_eloop(vt);
err_fd:
close(vt->fd);
vt->fd = -1;
return ret;
}
