int cli_main(int argc, char ** argv) {
#else
int main(int argc, char ** argv) {
#endif
int sock_in, sock_out;
struct dropbear_progress_connection *progress = NULL;
_dropbear_exit = cli_dropbear_exit;
_dropbear_log = cli_dropbear_log;
disallow_core();
seedrandom();
crypto_init();
cli_getopts(argc, argv);
#ifndef DISABLE_SYSLOG
if (opts.usingsyslog) {
startsyslog("dbclient");
}
#endif
TRACE(("user='******' host='%s' port='%s' bind_address='%s' bind_port='%s'", cli_opts.username,
cli_opts.remotehost, cli_opts.remoteport, cli_opts.bind_address, cli_opts.bind_port))
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR) {
dropbear_exit("signal() error");
}
pid_t proxy_cmd_pid = 0;
#if DROPBEAR_CLI_PROXYCMD
if (cli_opts.proxycmd) {
cli_proxy_cmd(&sock_in, &sock_out, &proxy_cmd_pid);
m_free(cli_opts.proxycmd);
if (signal(SIGINT, kill_proxy_sighandler) == SIG_ERR ||
signal(SIGTERM, kill_proxy_sighandler) == SIG_ERR ||
signal(SIGHUP, kill_proxy_sighandler) == SIG_ERR) {
dropbear_exit("signal() error");
}
} else
#endif
{
progress = connect_remote(cli_opts.remotehost, cli_opts.remoteport,
cli_connected, &ses, cli_opts.bind_address, cli_opts.bind_port);
sock_in = sock_out = -1;
}
cli_session(sock_in, sock_out, progress, proxy_cmd_pid);
/* not reached */
return -1;
}
int dropbear_main(int argc, char ** argv) {
#else
int main(int argc, char ** argv) {
#endif
unsigned int i;
struct sockaddr remoteaddr;
runopts * opts;
FILE * pidfile;
int childpipe[2];
struct sigaction sa_chld;
/* get commandline options */
opts = getrunopts(argc, argv);
#ifndef DISABLE_SYSLOG
if (usingsyslog) {
startsyslog();
}
#endif
/* create a PID file so that we can be killed easily */
pidfile = fopen(DROPBEAR_PIDFILE, "w");
if (pidfile) {
fprintf(pidfile, "%d\n", getpid());
fclose(pidfile);
}
/* set up cleanup handler */
if (signal(SIGINT, sigintterm_handler) == SIG_ERR ||
signal(SIGTERM, sigintterm_handler) == SIG_ERR ||
signal(SIGPIPE, SIG_IGN)) {
dropbear_exit("signal() error");
}
/* catch and reap zombie children */
sa_chld.sa_handler = sigchld_handler;
sa_chld.sa_flags = SA_NOCLDSTOP;
if (sigaction(SIGCHLD, &sa_chld, NULL) < 0) {
dropbear_exit("signal() error");
}
if (signal(SIGSEGV, sigsegv_handler) == SIG_ERR) {
dropbear_exit("signal() error");
}
/* sockets to identify pre-authenticated clients */
for (i = 0; i < MAX_UNAUTH_CLIENTS; i++) {
childpipes[i] = -1;
}
/* Set up the listening sockets */
/* XXX XXX ports *
listensockcount = listensockets(listensocks, opts, &maxsock); */
if (pipe(childpipe) < 0) {
TRACE(("error creating child pipe"));
close(0);
return -1;
}
/* start the session */
child_session(0, opts, childpipe[1], &remoteaddr);
/* don't reach here */
return -1;
}
