main.c revision 0b7f452a
1/*
2Copyright (C) 2020 Derry <destan19@126.com>
3
4Permission is hereby granted, free of charge, to any person obtaining a copy
5of this software and associated documentation files (the "Software"), to deal
6in the Software without restriction, including without limitation the rights
7to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8copies of the Software, and to permit persons to whom the Software is
9furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20THE SOFTWARE.
21*/
22#include <unistd.h>
23#include <stdlib.h>
24#include <string.h>
25#include <libubox/uloop.h>
26#include <libubox/utils.h>
27#include <libubus.h>
28#include "appfilter_user.h"
29#include "appfilter_netlink.h"
30#include "appfilter_ubus.h"
31#include "appfilter_config.h"
32#include <time.h>
33#include <netinet/in.h>
34#include <arpa/inet.h>
35void check_appfilter_enable(void)
36{
37    int enable = 1;
38    struct tm *t;
39	af_ctl_time_t *af_t = NULL;
40    time_t tt;
41    time(&tt);
42    enable = config_get_appfilter_enable();
43
44    if (0 == enable)
45        goto EXIT;
46    af_t = load_appfilter_ctl_time_config();
47    if (!af_t)
48    {
49        enable = 0;
50        goto EXIT;
51    }
52
53    t = localtime(&tt);
54    if (af_t->days[t->tm_wday] != 1)
55    {
56        if (af_t->time_mode == 0){
57            enable = 0;
58            goto EXIT;
59        }
60    }
61
62    int cur_mins = t->tm_hour * 60 + t->tm_min;
63    if (((af_t->start.hour * 60 + af_t->start.min < cur_mins) && (cur_mins < af_t->end.hour * 60 + af_t->end.min))
64        || ((af_t->start2.hour * 60 + af_t->start2.min < cur_mins) && (cur_mins < af_t->end2.hour * 60 + af_t->end2.min))
65    )
66    {
67        if (af_t->time_mode == 0){
68            enable = 1;
69        }
70        else{
71            enable = 0;
72        }
73    }
74    else{
75        if (af_t->time_mode == 0){
76            enable = 0;
77        }
78        else{
79            enable = 1;
80        }
81    }
82EXIT:
83    if (enable)
84    {
85        system("echo 1 >/proc/sys/oaf/enable ");
86    }
87    else
88        system("echo 0 >/proc/sys/oaf/enable ");
89	if (af_t)
90   		free(af_t);
91}
92
93void update_lan_ip(void){
94    char ip_str[32] = {0};
95    struct in_addr addr;
96    char cmd_buf[128] = {0};
97    u_int32_t lan_ip = 0;
98
99    config_get_lan_ip(ip_str, sizeof(ip_str));
100    inet_aton(ip_str, &addr);
101    lan_ip =addr.s_addr;
102    sprintf(cmd_buf, "echo %d >/proc/sys/oaf/lan_ip", lan_ip);
103    system(cmd_buf);
104}
105
106void dev_list_timeout_handler(struct uloop_timeout *t)
107{
108    dump_dev_list();
109    check_dev_visit_info_expire();
110    flush_expire_visit_info();
111    //dump_dev_visit_list();
112    update_lan_ip();
113    check_appfilter_enable();
114    if (check_dev_expire()){
115        flush_expire_visit_info();
116        flush_dev_expire_node();
117    }
118    uloop_timeout_set(t, 10000);
119}
120
121struct uloop_timeout dev_tm = {
122    .cb = dev_list_timeout_handler};
123
124static struct uloop_fd appfilter_nl_fd = {
125    .cb = appfilter_nl_handler,
126};
127
128int main(int argc, char **argv)
129{
130    int ret = 0;
131    uloop_init();
132    printf("init appfilter\n");
133    init_dev_node_htable();
134    init_app_name_table();
135    init_app_class_name_table();
136    if (appfilter_ubus_init() < 0)
137    {
138        fprintf(stderr, "Failed to connect to ubus\n");
139        return 1;
140    }
141
142
143    appfilter_nl_fd.fd = appfilter_nl_init();
144    uloop_fd_add(&appfilter_nl_fd, ULOOP_READ);
145    af_msg_t msg;
146    msg.action = AF_MSG_INIT;
147    send_msg_to_kernel(appfilter_nl_fd.fd, (void *)&msg, sizeof(msg));
148    uloop_timeout_set(&dev_tm, 5000);
149    uloop_timeout_add(&dev_tm);
150    uloop_run();
151    uloop_done();
152    return 0;
153}
154