tun2socks 0.1.10

High performance tun2socks
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

/*
 ============================================================================
 Name        : hev-main.c
 Author      : hev <r@hev.cc>
 Copyright   : Copyright (c) 2019 - 2023 hev
 Description : Main
 ============================================================================
 */

#include <stdio.h>
#include <signal.h>
#include <string.h>

#include <lwip/init.h>

#include <hev-task.h>
#include <hev-task-system.h>

#include "hev-utils.h"
#include "hev-config.h"
#include "hev-config-const.h"
#include "hev-logger.h"
#include "hev-socks5-logger.h"
#include "hev-socks5-tunnel.h"

#include "hev-main.h"

static int
hev_socks5_tunnel_main_inner (int tun_fd)
{
    const char *pid_file;
    const char *log_file;
    int log_level;
    int nofile;
    int res;

    log_file = hev_config_get_misc_log_file ();
    log_level = hev_config_get_misc_log_level ();

    res = hev_logger_init (log_level, log_file);
    if (res < 0)
        return -2;

    res = hev_socks5_logger_init (log_level, log_file);
    if (res < 0)
        return -3;

    nofile = hev_config_get_misc_limit_nofile ();
    res = set_limit_nofile (nofile);
    if (res < 0)
        LOG_I ("set limit nofile");

    pid_file = hev_config_get_misc_pid_file ();
    if (pid_file)
        run_as_daemon (pid_file);

    res = hev_task_system_init ();
    if (res < 0)
        return -4;

    lwip_init ();

    res = hev_socks5_tunnel_init (tun_fd);
    if (res < 0)
        return -5;

    hev_socks5_tunnel_run ();

    hev_socks5_tunnel_fini ();
    hev_socks5_logger_fini ();
    hev_logger_fini ();
    hev_config_fini ();
    hev_task_system_fini ();

    return 0;
}

int
hev_socks5_tunnel_main_from_file (const char *config_path, int tun_fd)
{
    int res = hev_config_init_from_file (config_path);
    if (res < 0)
        return -1;

    return hev_socks5_tunnel_main_inner (tun_fd);
}

int
hev_socks5_tunnel_main_from_str (const unsigned char *config_str,
                                 unsigned int config_len, int tun_fd)
{
    int res = hev_config_init_from_str (config_str, config_len);
    if (res < 0)
        return -1;

    return hev_socks5_tunnel_main_inner (tun_fd);
}

int
hev_socks5_tunnel_main (const char *config_path, int tun_fd)
{
    return hev_socks5_tunnel_main_from_file (config_path, tun_fd);
}

void
hev_socks5_tunnel_quit (void)
{
    hev_socks5_tunnel_stop ();
}

#ifndef ENABLE_LIBRARY
static void
show_help (const char *self_path)
{
    printf ("%s CONFIG_PATH\n", self_path);
    printf ("Version: %u.%u.%u %s\n", MAJOR_VERSION, MINOR_VERSION,
            MICRO_VERSION, COMMIT_ID);
}

static void
sigint_handler (int signum)
{
    hev_socks5_tunnel_stop ();
}

int
main (int argc, char *argv[])
{
    int res;

    if (argc < 2 || strcmp (argv[1], "--version") == 0) {
        show_help (argv[0]);
        return -1;
    }

    signal (SIGINT, sigint_handler);

    res = hev_socks5_tunnel_main (argv[1], -1);
    if (res < 0)
        return -2;

    return 0;
}
#endif /* ENABLE_LIBRARY */