void avim_group_impl::start()
{
recive_client_message.connect(std::bind(&avim_group_impl::forward_client_message, shared_from_this(), std::placeholders::_1));
boost::asio::spawn(m_io_service, std::bind(&avim_group_impl::internal_loop_coroutine, shared_from_this(), std::placeholders::_1));
start_login();
}
/* ARGSUSED */
void startslave(const char *host, int autologin, char *autoname) {
int i;
#if defined(AUTHENTICATE)
if (!autoname || !autoname[0]) autologin = 0;
if (autologin < auth_level) {
fatal(net, "Authorization failed");
exit(1);
}
#endif
i = fork();
if (i < 0) fatalperror(net, "fork");
if (i) {
/* parent */
signal(SIGHUP,SIG_IGN);
close(ptyslavefd);
}
else {
/* child */
signal(SIGHUP,SIG_IGN);
getptyslave();
start_login(host, autologin, autoname);
/*NOTREACHED*/
}
}
/* ARGSUSED */
void
startslave(char *host, int autologin, char *autoname)
{
int i;
#ifdef AUTHENTICATION
if (!autoname || !autoname[0])
autologin = 0;
if (autologin < auth_level) {
fatal(net, "Authorization failed");
exit(1);
}
#endif
if ((i = fork()) < 0)
fatalperror(net, "fork");
if (i) {
} else {
getptyslave();
start_login(host, autologin, autoname);
/*NOTREACHED*/
}
}
void avim_group_impl::internal_login_coroutine(boost::asio::yield_context yield_context)
{
m_con.reset(new avjackif(m_io_service));
m_con->set_pki(m_key, m_cert);
try
{
if (!m_con->async_connect("avim.avplayer.org", "24950", yield_context))
return start_login();
if (!m_con->async_handshake(yield_context))
{
// stop loop
std::cerr << "avim login failed!" << std::endl;
return;
}
m_con->signal_notify_remove.connect([this]()
{
start_login();
});
m_core.add_interface(m_con);
m_me_addr = av_address_to_string(*m_con->if_address());
// 添加路由表, metric越大，优先级越低
m_core.add_route(".+@.+", m_me_addr, m_con->get_ifname(), 100);
on_group_created(m_me_addr);
}catch(const std::exception&)
{
start_login();
}
}
/* MAIN */
int
main(int argc, char **argv) {
pid_t pid;
struct sigaction sa;
if (argc < 1) {
fprintf(stderr,"Usage: echocon program args...\n");
exit(-1);
}
if (geteuid() != 0) {
fprintf(stderr,"You must be root in order to run %s\n",argv[0]);
exit(-1);
}
if (fork()) exit(0); /* decouple from terminal */
pid = setsid();
if (pid == -1) {
fprintf(stderr,"setsid failed: %d,%d\n",pid,errno);
exit(-1);
}
setjmp(env);
settitle("consoled");
if ((console = open("/dev/console",O_RDWR,0)) < 0) {
fprintf(stderr,"could not open /dev/console\n");
exit(-1);
}
if (openpty(&master,&slave,0,0,0) < 0) {
fprintf(stderr,"out of ptys\n");
return -1;
}
/* child signal handler */
sa.sa_handler = pchild;
sa.sa_flags = SA_NOCLDSTOP;
sa.sa_mask = 0xffffffff;
if (sigaction(SIGCHLD,&sa,NULL) != 0) {
fprintf(stderr,"sigaction child failed\n");
exit(-1);
}
/* kill consoled, kills it children and exits. */
sa.sa_handler = wrapup;
sa.sa_flags = 0;
sa.sa_mask = 0xffffffff;
if (sigaction(SIGHUP,&sa,NULL) != 0) {
fprintf(stderr,"sigaction child failed\n");
exit(-1);
}
sa.sa_handler = wrapup;
sa.sa_flags = 0;
sa.sa_mask = 0xffffffff;
#if 0
if (sigaction(SIGTERM,&sa,NULL) != 0) {
fprintf(stderr,"sigaction child failed\n");
exit(-1);
}
#endif
progpid = start_login(slave);
if (progpid == -1) {
fprintf(stderr,"start login failed\n");
exit(-1);
}
close(slave);
do_console(master,console);
/* Never reached */
assert(0);
return 0;
}
/* ARGSUSED */
void
startslave(const char *host, const char *utmp_host,
int autologin, char *autoname)
{
int i;
#ifdef AUTHENTICATION
if (!autoname || !autoname[0])
autologin = 0;
if (autologin < auth_level) {
fatal(net, "Authorization failed");
exit(1);
}
#endif
{
char *tbuf =
"\r\n*** Connection not encrypted! "
"Communication may be eavesdropped. ***\r\n";
#ifdef ENCRYPTION
if (!no_warn && (encrypt_output == 0 || decrypt_input == 0))
#endif
writenet(tbuf, strlen(tbuf));
}
# ifdef PARENT_DOES_UTMP
utmp_sig_init();
# endif /* PARENT_DOES_UTMP */
if ((i = fork()) < 0)
fatalperror(net, "fork");
if (i) {
# ifdef PARENT_DOES_UTMP
/*
* Cray parent will create utmp entry for child and send
* signal to child to tell when done. Child waits for signal
* before doing anything important.
*/
int pid = i;
void sigjob (int);
setpgrp();
utmp_sig_reset(); /* reset handler to default */
/*
* Create utmp entry for child
*/
wtmp.ut_time = time(NULL);
wtmp.ut_type = LOGIN_PROCESS;
wtmp.ut_pid = pid;
strncpy(wtmp.ut_user, "LOGIN", sizeof(wtmp.ut_user));
strncpy(wtmp.ut_host, utmp_host, sizeof(wtmp.ut_host));
strncpy(wtmp.ut_line, clean_ttyname(line), sizeof(wtmp.ut_line));
#ifdef HAVE_STRUCT_UTMP_UT_ID
strncpy(wtmp.ut_id, wtmp.ut_line + 3, sizeof(wtmp.ut_id));
#endif
pututline(&wtmp);
endutent();
if ((i = open(wtmpf, O_WRONLY|O_APPEND)) >= 0) {
write(i, &wtmp, sizeof(struct utmp));
close(i);
}
#ifdef _CRAY
signal(WJSIGNAL, sigjob);
#endif
utmp_sig_notify(pid);
# endif /* PARENT_DOES_UTMP */
} else {
getptyslave();
#if defined(DCE)
/* if we authenticated via K5, try and join the PAG */
kerberos5_dfspag();
#endif
start_login(host, autologin, autoname);
/*NOTREACHED*/
}
}
int
main (void)
{
struct sigaction sa;
int f, i, fd, status;
pid_t pid;;
umask (022);
klogctl (6, NULL, 0);
if ((getpid ()) != 1)
{
exit (1);
}
/*
* Ignore all signals.
*/
for (f = 1; f <= NSIG; f++)
signal (f, SIG_IGN);
signal (SIGCHLD, SIG_DFL);
signal (SIGUSR1, signal_handler);
signal (SIGUSR2, signal_handler);
/* Close whatever files are open, and reset the console. */
close (0);
close (1);
close (2);
console_stty ();
setsid ();
/*
* Set default PATH variable.
*/
setenv ("PATH", PATH_DEFAULT, 1 /* Overwrite */ );
/*
* Initialize /var/run/utmp (only works if /var is on
* root and mounted rw)
*/
if ((fd = open (UTMP_FILE, O_WRONLY | O_CREAT | O_TRUNC, 0644)) >= 0)
close (fd);
/*
* Say hello to the world
*/
initlog ("Welcome to \033[34m LFS-Linux\033[0m");
sysinit ();
initlog ("starting login ...");
start_login ();
while (1)
{
pid = wait (&status);
if (pid == login_pid)
{
start_login ();
}
}
return (0);
}
