2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
23 #include <netinet/in.h>
24 #include <linux/netfilter.h>
26 #include "stg/raw_ip_packet.h"
27 #include "stg/traffcounter.h"
28 #include "stg/plugin_creator.h"
36 //-----------------------------------------------------------------------------
37 //-----------------------------------------------------------------------------
38 //-----------------------------------------------------------------------------
39 PLUGIN_CREATOR<IPQ_CAP> icc;
40 //-----------------------------------------------------------------------------
41 //-----------------------------------------------------------------------------
42 //-----------------------------------------------------------------------------
45 return icc.GetPlugin();
47 //-----------------------------------------------------------------------------
48 //-----------------------------------------------------------------------------
49 //-----------------------------------------------------------------------------
50 const std::string IPQ_CAP::GetVersion() const
52 return "ipq_cap v.1.2";
54 //-----------------------------------------------------------------------------
65 memset(buf, 0, BUFSIZE);
67 //-----------------------------------------------------------------------------
74 errorStr = "Cannot open socket!";
75 printfd(__FILE__, "Cannot open socket\n");
79 if (pthread_create(&thread, NULL, Run, this) == 0)
83 errorStr = "Cannot create thread.";
84 printfd(__FILE__, "Cannot create thread\n");
87 //-----------------------------------------------------------------------------
93 //5 seconds to thread stops itself
94 for (int i = 0; i < 25; i++)
98 struct timespec ts = {0, 200000000};
101 //after 5 seconds waiting thread still running. now killing it
104 if (pthread_kill(thread, SIGINT))
106 errorStr = "Cannot kill thread.";
109 for (int i = 0; i < 25 && isRunning; ++i)
111 struct timespec ts = {0, 200000000};
112 nanosleep(&ts, NULL);
116 printfd(__FILE__, "Thread not stopped\n");
120 pthread_join(thread, NULL);
126 //-----------------------------------------------------------------------------
127 void * IPQ_CAP::Run(void * d)
129 RAW_PACKET raw_packet;
131 IPQ_CAP * dc = (IPQ_CAP *)d;
132 dc->isRunning = true;
133 memset(&raw_packet, 0, sizeof(raw_packet));
134 raw_packet.dataLen = -1;
137 int status = dc->IPQCapRead(&raw_packet, 68);
143 dc->traffCnt->Process(raw_packet);
145 dc->isRunning = false;
148 //-----------------------------------------------------------------------------
149 int IPQ_CAP::IPQCapOpen()
151 ipq_h = ipq_create_handle(0, PF_INET);
154 ipq_destroy_handle(ipq_h);
155 errorStr = "Cannot create ipq handle!";
158 int status = ipq_set_mode(ipq_h, IPQ_COPY_PACKET, PAYLOAD_LEN);
161 ipq_destroy_handle(ipq_h);
162 errorStr = "Cannot set IPQ_COPY_PACKET mode!";
167 //-----------------------------------------------------------------------------
168 int IPQ_CAP::IPQCapClose()
170 ipq_destroy_handle(ipq_h);
173 //-----------------------------------------------------------------------------
174 int IPQ_CAP::IPQCapRead(void * buffer, int blen)
176 memset(buf, 0, BUFSIZE);
177 int status = ipq_read(ipq_h, buf, BUFSIZE, 1);
184 if (ipq_message_type(buf) != IPQM_PACKET)
186 static ipq_packet_msg_t * m = ipq_get_packet(buf);
187 memcpy(buffer, m->payload, blen);
188 ipq_set_verdict(ipq_h, m->packet_id, NF_ACCEPT, 0, NULL);
191 //-----------------------------------------------------------------------------