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fixed ts bug

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wangyu 2017-08-04 03:29:53 +08:00 committed by wangyu
parent ede2600993
commit 203eccb2d0
5 changed files with 123 additions and 76 deletions
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5
common.h
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@ -8,8 +8,8 @@
#ifndef COMMON_H_ #ifndef COMMON_H_
#define COMMON_H_ #define COMMON_H_
//#define __STDC_FORMAT_MACROS 1
#include <inttypes.h>
#include<stdio.h> #include<stdio.h>
#include<string.h> #include<string.h>
#include<stdlib.h> #include<stdlib.h>
@ -35,7 +35,6 @@
#include <sys/time.h> #include <sys/time.h>
#include <time.h> #include <time.h>
#include <sys/timerfd.h> #include <sys/timerfd.h>
#include <inttypes.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <netinet/in.h> #include <netinet/in.h>
#include <net/if.h> #include <net/if.h>

2
log.h
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@ -85,6 +85,8 @@ extern int enable_log_color;
#define mylog(...) log0(__FILE__,__FUNCTION__,__LINE__,__VA_ARGS__) #define mylog(...) log0(__FILE__,__FUNCTION__,__LINE__,__VA_ARGS__)
//#define mylog(__first_argu__dummy_abcde__,...) printf(__VA_ARGS__)
void log0(const char * file,const char * function,int line,int level,const char* str, ...); void log0(const char * file,const char * function,int line,int level,const char* str, ...);
void log_bare(int level,const char* str, ...); void log_bare(int level,const char* str, ...);

143
main.cpp
View File

@ -267,7 +267,11 @@ struct conv_manager_t //TODO change map to unordered map
return 0; return 0;
} }
};//g_conv_manager; };//g_conv_manager;
struct blob_t
{
conv_manager_t conv_manager;
anti_replay_t anti_replay;
};
struct conn_info_t struct conn_info_t
{ {
current_state_t state; current_state_t state;
@ -281,10 +285,11 @@ struct conn_info_t
id_t my_id; id_t my_id;
id_t oppsite_id; id_t oppsite_id;
conv_manager_t *conv_manager;
anti_replay_t *anti_replay;
int timer_fd; int timer_fd;
id_t oppsite_const_id; id_t oppsite_const_id;
blob_t *blob;
/* /*
const uint32_t &ip=raw_info.recv_info.src_ip; const uint32_t &ip=raw_info.recv_info.src_ip;
const uint16_t &port=raw_info.recv_info.src_port; const uint16_t &port=raw_info.recv_info.src_port;
@ -298,26 +303,21 @@ struct conn_info_t
state.client_current_state=client_idle; state.client_current_state=client_idle;
last_state_time=0; last_state_time=0;
oppsite_const_id=0; oppsite_const_id=0;
conv_manager=0; blob=0;
anti_replay=0;
timer_fd=0; timer_fd=0;
} }
void prepare() void prepare()
{ {
conv_manager=new conv_manager_t; blob=new blob_t;
anti_replay=new anti_replay_t;
} }
conn_info_t(const conn_info_t&b) conn_info_t(const conn_info_t&b)
{ {
//mylog(log_error,"called!!!!!!!!!!!!!\n"); //mylog(log_error,"called!!!!!!!!!!!!!\n");
*this=b; *this=b;
if(conv_manager!=0) if(blob!=0)
{ {
conv_manager=new conv_manager_t(*b.conv_manager); blob=new blob_t(*b.blob);
}
if(anti_replay!=0)
{
anti_replay=new anti_replay_t(*b.anti_replay);
} }
} }
conn_info_t& operator=(const conn_info_t& b) conn_info_t& operator=(const conn_info_t& b)
@ -425,8 +425,7 @@ struct conn_manager_t
} }
else else
{ {
assert(erase_it->second->anti_replay==0); assert(erase_it->second->blob==0);
assert(erase_it->second->conv_manager==0);
assert(erase_it->second->timer_fd ==0); assert(erase_it->second->timer_fd ==0);
assert(erase_it->second->oppsite_const_id==0); assert(erase_it->second->oppsite_const_id==0);
delete(erase_it->second); delete(erase_it->second);
@ -479,7 +478,7 @@ int clear_inactive0()
{ {
it++; it++;
} }
else if(it->second->conv_manager!=0&&it->second->conv_manager->get_size() >0) else if(it->second->blob!=0&&it->second->blob->conv_manager.get_size() >0)
{ {
assert(it->second->state.server_current_state==server_ready); assert(it->second->state.server_current_state==server_ready);
it++; it++;
@ -504,24 +503,20 @@ conn_info_t::~conn_info_t()
{ {
if(state.server_current_state==server_ready) if(state.server_current_state==server_ready)
{ {
assert(conv_manager!=0); assert(blob!=0);
assert(anti_replay!=0);
assert(oppsite_const_id!=0); assert(oppsite_const_id!=0);
//assert(conn_manager.const_id_mp.find(oppsite_const_id)!=conn_manager.const_id_mp.end()); // conn_manager 's deconstuction function erases it //assert(conn_manager.const_id_mp.find(oppsite_const_id)!=conn_manager.const_id_mp.end()); // conn_manager 's deconstuction function erases it
} }
else else
{ {
assert(conv_manager==0); assert(blob==0);
assert(anti_replay==0);
assert(oppsite_const_id==0); assert(oppsite_const_id==0);
} }
} }
//if(oppsite_const_id!=0) //do this at conn_manager 's deconstuction function //if(oppsite_const_id!=0) //do this at conn_manager 's deconstuction function
//conn_manager.const_id_mp.erase(oppsite_const_id); //conn_manager.const_id_mp.erase(oppsite_const_id);
if(conv_manager!=0) if(blob!=0)
delete conv_manager; delete blob;
if(anti_replay!=0)
delete anti_replay;
//send_packet_info.protocol=g_packet_info_send.protocol; //send_packet_info.protocol=g_packet_info_send.protocol;
} }
@ -823,7 +818,7 @@ int send_safer(conn_info_t &conn_info,const char* data,int len)
memcpy(send_data_buf+sizeof(n_tmp_id),&n_tmp_id,sizeof(n_tmp_id)); memcpy(send_data_buf+sizeof(n_tmp_id),&n_tmp_id,sizeof(n_tmp_id));
anti_replay_seq_t n_seq=hton64(conn_info.anti_replay->get_new_seq_for_send()); anti_replay_seq_t n_seq=hton64(conn_info.blob->anti_replay.get_new_seq_for_send());
memcpy(send_data_buf+sizeof(n_tmp_id)*2,&n_seq,sizeof(n_seq)); memcpy(send_data_buf+sizeof(n_tmp_id)*2,&n_seq,sizeof(n_seq));
@ -837,7 +832,9 @@ int send_safer(conn_info_t &conn_info,const char* data,int len)
return -1; return -1;
} }
send_raw(conn_info.raw_info,send_data_buf2,new_len); if(send_raw0(conn_info.raw_info,send_data_buf2,new_len)!=0) return -1;
if(after_send_raw0(conn_info.raw_info)!=0) return -1;
return 0; return 0;
} }
@ -883,7 +880,7 @@ int parse_safer(conn_info_t &conn_info,const char * input,int input_len,char* &d
return -1; return -1;
} }
if (conn_info.anti_replay->is_vaild(h_seq) != 1) { if (conn_info.blob->anti_replay.is_vaild(h_seq) != 1) {
mylog(log_warn,"dropped replay packet\n"); mylog(log_warn,"dropped replay packet\n");
return -1; return -1;
} }
@ -905,7 +902,7 @@ int parse_safer(conn_info_t &conn_info,const char * input,int input_len,char* &d
return -1; return -1;
} }
after_recv_raw0(conn_info.raw_info); if(after_recv_raw0(conn_info.raw_info)!=0) return -1;
return 0; return 0;
} }
@ -1045,8 +1042,11 @@ int client_on_timer(conn_info_t &conn_info) //for client
packet_info_t &send_info=conn_info.raw_info.send_info; packet_info_t &send_info=conn_info.raw_info.send_info;
packet_info_t &recv_info=conn_info.raw_info.recv_info; packet_info_t &recv_info=conn_info.raw_info.recv_info;
raw_info_t &raw_info=conn_info.raw_info; raw_info_t &raw_info=conn_info.raw_info;
conn_info.conv_manager->clear_inactive(); conn_info.blob->conv_manager.clear_inactive();
mylog(log_trace,"timer!\n"); mylog(log_trace,"timer!\n");
mylog(log_trace,"<client_on_timer,send_info.ts_ack= %u>\n",send_info.ts_ack);
if(conn_info.state.client_current_state==client_idle) if(conn_info.state.client_current_state==client_idle)
{ {
fail_time_counter++; fail_time_counter++;
@ -1056,7 +1056,7 @@ int client_on_timer(conn_info_t &conn_info) //for client
exit(-1); exit(-1);
} }
conn_info.anti_replay->re_init(); conn_info.blob->anti_replay.re_init();
conn_info.my_id = get_true_random_number_nz(); ///todo no need to do this everytime conn_info.my_id = get_true_random_number_nz(); ///todo no need to do this everytime
if (source_port == 0) if (source_port == 0)
@ -1089,6 +1089,7 @@ int client_on_timer(conn_info_t &conn_info) //for client
send_info.psh = 0; send_info.psh = 0;
send_info.syn = 1; send_info.syn = 1;
send_info.ack = 0; send_info.ack = 0;
send_info.ts_ack =0;
} }
conn_info.last_state_time=get_current_time(); conn_info.last_state_time=get_current_time();
conn_info.last_resent_time=0; conn_info.last_resent_time=0;
@ -1111,13 +1112,12 @@ int client_on_timer(conn_info_t &conn_info) //for client
{ {
if (conn_info.last_resent_time == 0) if (conn_info.last_resent_time == 0)
{ {
send_info.seq++;
send_info.ack_seq = recv_info.seq + 1; send_info.ack_seq = recv_info.seq + 1;
send_info.ts_ack = recv_info.ts; //send_info.ts_ack = recv_info.ts;
} }
} }
send_raw(raw_info, 0, 0); send_raw0(raw_info, 0, 0);
conn_info.last_resent_time = get_current_time(); conn_info.last_resent_time = get_current_time();
mylog(log_info, "(re)sent tcp syn\n"); mylog(log_info, "(re)sent tcp syn\n");
@ -1145,6 +1145,7 @@ int client_on_timer(conn_info_t &conn_info) //for client
{ {
if(conn_info.last_resent_time==0) if(conn_info.last_resent_time==0)
{ {
send_info.seq++;
send_info.ack_seq=recv_info.seq+1; send_info.ack_seq=recv_info.seq+1;
send_info.ts_ack=recv_info.ts; send_info.ts_ack=recv_info.ts;
raw_info.reserved_seq=send_info.seq; raw_info.reserved_seq=send_info.seq;
@ -1153,7 +1154,7 @@ int client_on_timer(conn_info_t &conn_info) //for client
send_info.psh = 0; send_info.psh = 0;
send_info.syn = 0; send_info.syn = 0;
send_info.ack = 1; send_info.ack = 1;
send_raw(raw_info, 0, 0); send_raw0(raw_info, 0, 0);
send_handshake(raw_info,conn_info.my_id,0,const_id); send_handshake(raw_info,conn_info.my_id,0,const_id);
@ -1161,9 +1162,10 @@ int client_on_timer(conn_info_t &conn_info) //for client
} }
else else
{ {
send_handshake(raw_info,conn_info.my_id,0,const_id);
if(raw_mode==mode_icmp) if(raw_mode==mode_icmp)
send_info.icmp_seq++; send_info.icmp_seq++;
send_handshake(raw_info,conn_info.my_id,0,const_id);
} }
conn_info.last_resent_time=get_current_time(); conn_info.last_resent_time=get_current_time();
@ -1190,7 +1192,7 @@ int client_on_timer(conn_info_t &conn_info) //for client
{ {
if(conn_info.last_resent_time==0) if(conn_info.last_resent_time==0)
{ {
send_info.ack_seq=recv_info.seq+1; send_info.ack_seq=recv_info.seq+raw_info.last_recv_len;
send_info.ts_ack=recv_info.ts; send_info.ts_ack=recv_info.ts;
raw_info.reserved_seq=send_info.seq; raw_info.reserved_seq=send_info.seq;
} }
@ -1201,9 +1203,10 @@ int client_on_timer(conn_info_t &conn_info) //for client
} }
else else
{ {
send_handshake(raw_info,conn_info.my_id,conn_info.oppsite_id,const_id);
if(raw_mode==mode_icmp) if(raw_mode==mode_icmp)
send_info.icmp_seq++; send_info.icmp_seq++;
send_handshake(raw_info,conn_info.my_id,conn_info.oppsite_id,const_id);
} }
conn_info.last_resent_time=get_current_time(); conn_info.last_resent_time=get_current_time();
mylog(log_info,"(re)sent handshake2\n"); mylog(log_info,"(re)sent handshake2\n");
@ -1257,7 +1260,7 @@ int server_on_timer_multi(conn_info_t &conn_info)
if(conn_info.state.server_current_state==server_ready) if(conn_info.state.server_current_state==server_ready)
{ {
conn_info.conv_manager->clear_inactive(); conn_info.blob->conv_manager.clear_inactive();
/* /*
if( get_current_time()-conn_info.last_hb_recv_time>heartbeat_timeout ) if( get_current_time()-conn_info.last_hb_recv_time>heartbeat_timeout )
{ {
@ -1298,6 +1301,8 @@ int client_on_raw_recv(conn_info_t &conn_info)
raw_info_t &raw_info=conn_info.raw_info; raw_info_t &raw_info=conn_info.raw_info;
mylog(log_trace,"<client_on_raw_recv,send_info.ts_ack= %u>\n",send_info.ts_ack);
if(conn_info.state.client_current_state==client_idle ) if(conn_info.state.client_current_state==client_idle )
{ {
recv(raw_recv_fd, 0,0, 0 ); recv(raw_recv_fd, 0,0, 0 );
@ -1305,7 +1310,7 @@ int client_on_raw_recv(conn_info_t &conn_info)
else if(conn_info.state.client_current_state==client_tcp_handshake)//received syn ack else if(conn_info.state.client_current_state==client_tcp_handshake)//received syn ack
{ {
assert(raw_mode==mode_faketcp); assert(raw_mode==mode_faketcp);
if(recv_raw(raw_info,data,data_len)<0) if(recv_raw0(raw_info,data,data_len)<0)
{ {
return -1; return -1;
} }
@ -1362,6 +1367,20 @@ int client_on_raw_recv(conn_info_t &conn_info)
return -1; return -1;
} }
if(raw_mode==mode_faketcp)
{
if(recv_info.ack_seq!=send_info.seq)
{
mylog(log_debug,"seq ack_seq mis match\n");
return -1;
}
if(recv_info.seq!=send_info.ack_seq)
{
mylog(log_debug,"seq ack_seq mis match\n");
return -1;
}
}
conn_info.oppsite_id=tmp_oppsite_id; conn_info.oppsite_id=tmp_oppsite_id;
mylog(log_info,"changed state from to client_handshake1 to client_handshake2,my_id is %x,oppsite id is %x\n",conn_info.my_id,conn_info.oppsite_id); mylog(log_info,"changed state from to client_handshake1 to client_handshake2,my_id is %x,oppsite id is %x\n",conn_info.my_id,conn_info.oppsite_id);
@ -1405,15 +1424,15 @@ int client_on_raw_recv(conn_info_t &conn_info)
uint32_t tmp_conv_id= ntohl(* ((uint32_t *)&data[1])); uint32_t tmp_conv_id= ntohl(* ((uint32_t *)&data[1]));
if(!conn_info.conv_manager->is_conv_used(tmp_conv_id)) if(!conn_info.blob->conv_manager.is_conv_used(tmp_conv_id))
{ {
mylog(log_info,"unknow conv %d,ignore\n",tmp_conv_id); mylog(log_info,"unknow conv %d,ignore\n",tmp_conv_id);
return 0; return 0;
} }
conn_info.conv_manager->update_active_time(tmp_conv_id); conn_info.blob->conv_manager.update_active_time(tmp_conv_id);
uint64_t u64=conn_info.conv_manager->find_u64_by_conv(tmp_conv_id); uint64_t u64=conn_info.blob->conv_manager.find_u64_by_conv(tmp_conv_id);
sockaddr_in tmp_sockaddr; sockaddr_in tmp_sockaddr;
@ -1474,7 +1493,7 @@ int server_on_raw_recv_multi()
if(!conn_manager.exist(ip,port)||conn_manager.find_insert(ip,port).state.server_current_state!=server_ready) if(!conn_manager.exist(ip,port)||conn_manager.find_insert(ip,port).state.server_current_state!=server_ready)
{ {
raw_info_t tmp_raw_info; raw_info_t tmp_raw_info;
if(recv_raw(tmp_raw_info,data,data_len)<0) if(recv_raw0(tmp_raw_info,data,data_len)<0)
{ {
return 0; return 0;
} }
@ -1496,7 +1515,7 @@ int server_on_raw_recv_multi()
send_info.ack = 1; send_info.ack = 1;
mylog(log_info,"received syn,sent syn ack back\n"); mylog(log_info,"received syn,sent syn ack back\n");
send_raw(raw_info, 0, 0); send_raw0(raw_info, 0, 0);
return 0; return 0;
} }
} }
@ -1513,6 +1532,11 @@ int server_on_raw_recv_multi()
raw_info_t tmp_raw_info; raw_info_t tmp_raw_info;
if(raw_mode==mode_icmp)
{
tmp_raw_info.send_info.dst_port=tmp_raw_info.send_info.src_port=port;
}
if(recv_bare(tmp_raw_info,data,data_len)<0) if(recv_bare(tmp_raw_info,data,data_len)<0)
{ {
return 0; return 0;
@ -1637,6 +1661,7 @@ int server_on_raw_recv_handshake1(conn_info_t &conn_info,id_t tmp_oppsite_id )
send_info.icmp_seq=recv_info.icmp_seq; send_info.icmp_seq=recv_info.icmp_seq;
} }
send_handshake(raw_info,conn_info.my_id,tmp_oppsite_id,const_id); //////////////send send_handshake(raw_info,conn_info.my_id,tmp_oppsite_id,const_id); //////////////send
return 0; return 0;
} }
int server_on_raw_recv_ready(conn_info_t &conn_info) int server_on_raw_recv_ready(conn_info_t &conn_info)
@ -1674,8 +1699,8 @@ int server_on_raw_recv_ready(conn_info_t &conn_info)
conn_info.last_hb_recv_time = get_current_time(); conn_info.last_hb_recv_time = get_current_time();
mylog(log_trace, "conv:%u\n", tmp_conv_id); mylog(log_trace, "conv:%u\n", tmp_conv_id);
if (!conn_info.conv_manager->is_conv_used(tmp_conv_id)) { if (!conn_info.blob->conv_manager.is_conv_used(tmp_conv_id)) {
if (conn_info.conv_manager->get_size() >= max_conv_num) { if (conn_info.blob->conv_manager.get_size() >= max_conv_num) {
mylog(log_warn, mylog(log_warn,
"ignored new conv %x connect bc max_conv_num exceed\n", "ignored new conv %x connect bc max_conv_num exceed\n",
tmp_conv_id); tmp_conv_id);
@ -1721,7 +1746,7 @@ int server_on_raw_recv_ready(conn_info_t &conn_info)
return -1; return -1;
} }
conn_info.conv_manager->insert_conv(tmp_conv_id, new_udp_fd); conn_info.blob->conv_manager.insert_conv(tmp_conv_id, new_udp_fd);
assert(conn_manager.udp_fd_mp.find(new_udp_fd)==conn_manager.udp_fd_mp.end()); assert(conn_manager.udp_fd_mp.find(new_udp_fd)==conn_manager.udp_fd_mp.end());
conn_manager.udp_fd_mp[new_udp_fd] = &conn_info; conn_manager.udp_fd_mp[new_udp_fd] = &conn_info;
@ -1735,9 +1760,9 @@ int server_on_raw_recv_ready(conn_info_t &conn_info)
} }
uint64_t u64 = conn_info.conv_manager->find_u64_by_conv(tmp_conv_id); uint64_t u64 = conn_info.blob->conv_manager.find_u64_by_conv(tmp_conv_id);
conn_info.conv_manager->update_active_time(tmp_conv_id); conn_info.blob->conv_manager.update_active_time(tmp_conv_id);
int fd = int((u64 << 32u) >> 32u); int fd = int((u64 << 32u) >> 32u);
@ -1798,7 +1823,7 @@ int server_on_raw_recv_pre_ready(conn_info_t &conn_info,uint32_t tmp_oppsite_con
send_safer(conn_info, (char *) "h", 1); /////////////send send_safer(conn_info, (char *) "h", 1); /////////////send
mylog(log_info, "[%s]changed state to server_ready\n",ip_port); mylog(log_info, "[%s]changed state to server_ready\n",ip_port);
conn_info.anti_replay->re_init(); conn_info.blob->anti_replay.re_init();
//g_conn_info=conn_info; //g_conn_info=conn_info;
int new_timer_fd; int new_timer_fd;
@ -1859,7 +1884,7 @@ int server_on_raw_recv_pre_ready(conn_info_t &conn_info,uint32_t tmp_oppsite_con
ori_conn_info.my_id=conn_info.my_id; ori_conn_info.my_id=conn_info.my_id;
ori_conn_info.oppsite_id=conn_info.oppsite_id; ori_conn_info.oppsite_id=conn_info.oppsite_id;
send_safer(ori_conn_info, (char *) "h", 1); send_safer(ori_conn_info, (char *) "h", 1);
ori_conn_info.anti_replay->re_init(); ori_conn_info.blob->anti_replay.re_init();
@ -2081,23 +2106,23 @@ int client_event_loop()
uint64_t u64=((uint64_t(udp_new_addr_in.sin_addr.s_addr))<<32u)+ntohs(udp_new_addr_in.sin_port); uint64_t u64=((uint64_t(udp_new_addr_in.sin_addr.s_addr))<<32u)+ntohs(udp_new_addr_in.sin_port);
uint32_t conv; uint32_t conv;
if(!conn_info.conv_manager->is_u64_used(u64)) if(!conn_info.blob->conv_manager.is_u64_used(u64))
{ {
if(conn_info.conv_manager->get_size() >=max_conv_num) if(conn_info.blob->conv_manager.get_size() >=max_conv_num)
{ {
mylog(log_warn,"ignored new udp connect bc max_conv_num exceed\n"); mylog(log_warn,"ignored new udp connect bc max_conv_num exceed\n");
continue; continue;
} }
conv=conn_info.conv_manager->get_new_conv(); conv=conn_info.blob->conv_manager.get_new_conv();
conn_info.conv_manager->insert_conv(conv,u64); conn_info.blob->conv_manager.insert_conv(conv,u64);
mylog(log_info,"new connection from %s:%d,conv_id=%x\n",inet_ntoa(udp_new_addr_in.sin_addr),ntohs(udp_new_addr_in.sin_port),conv); mylog(log_info,"new connection from %s:%d,conv_id=%x\n",inet_ntoa(udp_new_addr_in.sin_addr),ntohs(udp_new_addr_in.sin_port),conv);
} }
else else
{ {
conv=conn_info.conv_manager->find_conv_by_u64(u64); conv=conn_info.blob->conv_manager.find_conv_by_u64(u64);
} }
conn_info.conv_manager->update_active_time(conv); conn_info.blob->conv_manager.update_active_time(conv);
if(conn_info.state.client_current_state==client_ready) if(conn_info.state.client_current_state==client_ready)
{ {
@ -2299,14 +2324,14 @@ int server_event_loop()
conn_info_t &conn_info=*p_conn_info; conn_info_t &conn_info=*p_conn_info;
if(!conn_info.conv_manager->is_u64_used(fd)) if(!conn_info.blob->conv_manager.is_u64_used(fd))
{ {
mylog(log_debug,"conv no longer exists,udp fd %d\n",fd); mylog(log_debug,"conv no longer exists,udp fd %d\n",fd);
int recv_len=recv(fd,0,0,0); ///////////TODO ,delete this int recv_len=recv(fd,0,0,0); ///////////TODO ,delete this
continue; continue;
} }
uint32_t conv_id=conn_info.conv_manager->find_conv_by_u64(fd); uint32_t conv_id=conn_info.blob->conv_manager.find_conv_by_u64(fd);
int recv_len=recv(fd,buf,buf_len,0); int recv_len=recv(fd,buf,buf_len,0);

45
network.cpp
View File

@ -137,6 +137,8 @@ packet_info_t::packet_info_t()
ts_ack=0; ts_ack=0;
syn=0; syn=0;
ack=1; ack=1;
//mylog(log_info,"<cons ,ts_ack= %u>\n",ts_ack);
} }
else if (raw_mode == mode_udp) else if (raw_mode == mode_udp)
{ {
@ -571,14 +573,16 @@ int send_raw_tcp(raw_info_t &raw_info,const char * payload, int payloadlen) {
send_raw_tcp_buf[i++] = 0x04; //sack ok send_raw_tcp_buf[i++] = 0x04; //sack ok
send_raw_tcp_buf[i++] = 0x02; //sack ok send_raw_tcp_buf[i++] = 0x02; //sack ok
send_raw_tcp_buf[i++] = 0x08; //ts send_raw_tcp_buf[i++] = 0x08; //ts i=6
send_raw_tcp_buf[i++] = 0x0a; send_raw_tcp_buf[i++] = 0x0a; //i=7
*(uint32_t*) (&send_raw_tcp_buf[i]) = htonl( *(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(
(uint32_t) get_current_time()); (uint32_t) get_current_time());
i += 4; i += 4;
//mylog(log_info,"[syn]<send_info.ts_ack= %u>\n",send_info.ts_ack);
*(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(send_info.ts_ack); *(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(send_info.ts_ack);
i += 4; i += 4;
@ -593,14 +597,16 @@ int send_raw_tcp(raw_info_t &raw_info,const char * payload, int payloadlen) {
send_raw_tcp_buf[i++] = 0x01; send_raw_tcp_buf[i++] = 0x01;
send_raw_tcp_buf[i++] = 0x01; send_raw_tcp_buf[i++] = 0x01;
send_raw_tcp_buf[i++] = 0x08; //ts send_raw_tcp_buf[i++] = 0x08; //ts //i=2
send_raw_tcp_buf[i++] = 0x0a; send_raw_tcp_buf[i++] = 0x0a; //i=3;
*(uint32_t*) (&send_raw_tcp_buf[i]) = htonl( *(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(
(uint32_t) get_current_time()); (uint32_t) get_current_time());
i += 4; i += 4;
//mylog(log_info,"<send_info.ts_ack= %u>\n",send_info.ts_ack);
*(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(send_info.ts_ack); *(uint32_t*) (&send_raw_tcp_buf[i]) = htonl(send_info.ts_ack);
i += 4; i += 4;
} }
@ -827,6 +833,7 @@ int recv_raw_icmp(raw_info_t &raw_info, char *&payload, int &payloadlen)
return -1; return -1;
} }
icmphdr *icmph=(struct icmphdr *) (ip_payload); icmphdr *icmph=(struct icmphdr *) (ip_payload);
if(ntohs(icmph->id)!=send_info.src_port) if(ntohs(icmph->id)!=send_info.src_port)
@ -836,7 +843,7 @@ int recv_raw_icmp(raw_info_t &raw_info, char *&payload, int &payloadlen)
} }
recv_info.src_port=recv_info.dst_port=ntohs(icmph->id); recv_info.src_port=recv_info.dst_port=ntohs(icmph->id);
recv_info.icmp_seq=ntohs(icmph->seq);
if(program_mode==client_mode) if(program_mode==client_mode)
@ -975,7 +982,7 @@ int recv_raw_tcp(raw_info_t &raw_info,char * &payload,int &payloadlen)
unsigned short tcphdrlen = tcph->doff*4; unsigned short tcphdrlen = tcph->doff*4;
if (!(tcph->doff > 0 && tcph->doff <=60)) { if (!(tcphdrlen > 0 && tcphdrlen <=60)) {
mylog(log_debug,"tcph error\n"); mylog(log_debug,"tcph error\n");
return 0; return 0;
} }
@ -1013,6 +1020,7 @@ int recv_raw_tcp(raw_info_t &raw_info,char * &payload,int &payloadlen)
char *tcp_option=recv_raw_tcp_buf+sizeof(struct pseudo_header)+sizeof(tcphdr); char *tcp_option=recv_raw_tcp_buf+sizeof(struct pseudo_header)+sizeof(tcphdr);
recv_info.has_ts=0; recv_info.has_ts=0;
recv_info.ts=0;
if(tcph->doff==10) if(tcph->doff==10)
{ {
if(tcp_option[6]==0x08 &&tcp_option[7]==0x0a) if(tcp_option[6]==0x08 &&tcp_option[7]==0x0a)
@ -1022,16 +1030,28 @@ int recv_raw_tcp(raw_info_t &raw_info,char * &payload,int &payloadlen)
recv_info.ts_ack=ntohl(*(uint32_t*)(&tcp_option[12])); recv_info.ts_ack=ntohl(*(uint32_t*)(&tcp_option[12]));
//g_packet_info_send.ts_ack= ntohl(*(uint32_t*)(&tcp_option[8])); //g_packet_info_send.ts_ack= ntohl(*(uint32_t*)(&tcp_option[8]));
} }
else
{
mylog(log_info,"???\n",tcph->doff);
}
} }
else if(tcph->doff==8) else if(tcph->doff==8)
{ {
if(tcp_option[3]==0x08 &&tcp_option[4]==0x0a) if(tcp_option[2]==0x08 &&tcp_option[3]==0x0a)
{ {
recv_info.has_ts=1; recv_info.has_ts=1;
recv_info.ts=ntohl(*(uint32_t*)(&tcp_option[0])); recv_info.ts=ntohl(*(uint32_t*)(&tcp_option[4]));
recv_info.ts_ack=ntohl(*(uint32_t*)(&tcp_option[4])); recv_info.ts_ack=ntohl(*(uint32_t*)(&tcp_option[8]));
//g_packet_info_send.ts_ack= ntohl(*(uint32_t*)(&tcp_option[0])); //g_packet_info_send.ts_ack= ntohl(*(uint32_t*)(&tcp_option[0]));
} }
else
{
mylog(log_info,"!!!\n",tcph->doff);
}
}
else
{
mylog(log_info,"tcph->doff= %u\n",tcph->doff);
} }
if(tcph->rst==1) if(tcph->rst==1)
{ {
@ -1311,11 +1331,12 @@ int after_recv_raw0(raw_info_t &raw_info)
return 0; return 0;
} }
/*
int send_raw(raw_info_t &raw_info,const char * payload,int payloadlen) int send_raw(raw_info_t &raw_info,const char * payload,int payloadlen)
{ {
packet_info_t &send_info=raw_info.send_info; packet_info_t &send_info=raw_info.send_info;
packet_info_t &recv_info=raw_info.recv_info; packet_info_t &recv_info=raw_info.recv_info;
int ret=send_raw(raw_info,payload,payloadlen); int ret=send_raw0(raw_info,payload,payloadlen);
if(ret<0) return ret; if(ret<0) return ret;
else else
{ {
@ -1328,12 +1349,12 @@ int recv_raw(raw_info_t &raw_info,char *& payload,int & payloadlen)
{ {
packet_info_t &send_info=raw_info.send_info; packet_info_t &send_info=raw_info.send_info;
packet_info_t &recv_info=raw_info.recv_info; packet_info_t &recv_info=raw_info.recv_info;
int ret=recv_raw(raw_info,payload,payloadlen); int ret=recv_raw0(raw_info,payload,payloadlen);
if(ret<0) return ret; if(ret<0) return ret;
else else
{ {
after_recv_raw0(raw_info); after_recv_raw0(raw_info);
return ret; return ret;
} }
} }*/

4
network.h
View File

@ -96,9 +96,9 @@ int recv_raw_udp(raw_info_t &raw_info, char *&payload, int &payloadlen);
int recv_raw_tcp(raw_info_t &raw_info,char * &payload,int &payloadlen); int recv_raw_tcp(raw_info_t &raw_info,char * &payload,int &payloadlen);
int send_raw(raw_info_t &raw_info,const char * payload,int payloadlen); //int send_raw(raw_info_t &raw_info,const char * payload,int payloadlen);
int recv_raw(raw_info_t &raw_info,char * &payload,int &payloadlen); //int recv_raw(raw_info_t &raw_info,char * &payload,int &payloadlen);
int send_raw0(raw_info_t &raw_info,const char * payload,int payloadlen); int send_raw0(raw_info_t &raw_info,const char * payload,int payloadlen);