udp2raw/main.cpp
2020-07-15 15:29:32 -04:00

121 lines
2.8 KiB
C++
Executable File

#include "common.h"
#include "network.h"
#include "connection.h"
#include "misc.h"
#include "log.h"
#include "lib/md5.h"
#include "encrypt.h"
#include "fd_manager.h"
void sigpipe_cb(struct ev_loop *l, ev_signal *w, int revents)
{
mylog(log_info, "got sigpipe, ignored");
}
void sigterm_cb(struct ev_loop *l, ev_signal *w, int revents)
{
mylog(log_info, "got sigterm, exit");
myexit(0);
}
void sigint_cb(struct ev_loop *l, ev_signal *w, int revents)
{
mylog(log_info, "got sigint, exit");
myexit(0);
}
int client_event_loop();
int server_event_loop();
int main(int argc, char *argv[])
{
assert(sizeof(unsigned short)==2);
assert(sizeof(unsigned int)==4);
assert(sizeof(unsigned long long)==8);
#ifdef UDP2RAW_MP
init_ws();
#endif
dup2(1, 2);//redirect stderr to stdout
#if defined(__MINGW32__)
enable_log_color=0;
#endif
pre_process_arg(argc,argv);
if(program_mode==client_mode)
{
struct ev_loop* loop=ev_default_loop(0);
#if !defined(__MINGW32__)
ev_signal signal_watcher_sigpipe;
ev_signal_init(&signal_watcher_sigpipe, sigpipe_cb, SIGPIPE);
ev_signal_start(loop, &signal_watcher_sigpipe);
#endif
ev_signal signal_watcher_sigterm;
ev_signal_init(&signal_watcher_sigterm, sigterm_cb, SIGTERM);
ev_signal_start(loop, &signal_watcher_sigterm);
ev_signal signal_watcher_sigint;
ev_signal_init(&signal_watcher_sigint, sigint_cb, SIGINT);
ev_signal_start(loop, &signal_watcher_sigint);
}
else
{
#ifdef UDP2RAW_LINUX
signal(SIGINT, signal_handler);
signal(SIGHUP, signal_handler);
signal(SIGKILL, signal_handler);
signal(SIGTERM, signal_handler);
signal(SIGQUIT, signal_handler);
#else
mylog(log_fatal,"server mode not supported in multi-platform version\n");
myexit(-1);
#endif
}
#if !defined(__MINGW32__)
if(geteuid() != 0)
{
mylog(log_warn,"root check failed, it seems like you are using a non-root account. we can try to continue, but it may fail. If you want to run udp2raw as non-root, you have to add iptables rule manually, and grant udp2raw CAP_NET_RAW capability, check README.md in repo for more info.\n");
}
else
{
mylog(log_warn,"you can run udp2raw with non-root account for better security. check README.md in repo for more info.\n");
}
#endif
mylog(log_info,"remote_ip=[%s], make sure this is a vaild IP address\n",remote_addr.get_ip());
//init_random_number_fd();
srand(get_true_random_number_nz());
const_id=get_true_random_number_nz();
mylog(log_info,"const_id:%x\n",const_id);
my_init_keys(key_string,program_mode==client_mode?1:0);
iptables_rule();
#ifdef UDP2RAW_LINUX
init_raw_socket();
#endif
if(program_mode==client_mode)
{
client_event_loop();
}
else
{
#ifdef UDP2RAW_LINUX
server_event_loop();
#else
mylog(log_fatal,"server mode not supported in multi-platform version\n");
myexit(-1);
#endif
}
return 0;
}