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/*=========================================================================
s& _* y! O) `4 e" @0 G, uFILE:HTTPPROXY.cpp$ b: n/ T8 H. {, ^, b( \" |. Q4 N
HTTP Proxy v1.0
: {) m3 O+ U3 N, e" Ypowered by shadow 2004/11/14
( e1 t" `6 ^' j* R& F0 e- F1 Y+ umy web:http://www.codehome.6600.org* D0 P* a, U4 F* I# P3 P
QQ:176017352
# W# s4 X& X7 f$ t$ X3 W3 ?请先阅读有关http代理协议的相关资料,转载请著明出处 k! C' \8 B ?4 s2 x5 @: b
==========================================================================*/
) k( ~' g/ X: I' B #include "stdafx.h": k3 B9 A) _6 u# w/ T' A
#include "HTTPPROXY.h"9 |! z8 R2 G) g0 S% a
#define FD_NOEVENT 06 d: S8 O* j6 L/ Y; q, w) i; c/ F- v
//
: h3 I9 x# S5 q. u#define BACKUP 1008 ^& D+ t$ y$ A6 |$ l/ U+ u5 v! u
#define MAXDATALEN 655351 i M& s- G1 D6 H: u6 p1 t- ^2 i! e8 l
int HttpListenPort;
* h7 v; X, y. j, XSOCKET HttpListenSock;
3 v- O$ \5 L: l( W; ~//
2 \; g, L. O& a1 T& Ntypedef struct _CLIENTINFO{6 I, K u4 l) W2 m
SOCKET clientsock;1 }+ u! @: v& l4 n4 l) _
SOCKET udpsock;
9 b! a( g e' I' Asockaddr_in clientsock_addr;: p* r! p( I5 L# s! K
}CLIENTINFO,*LPCLIENTINFO;$ x4 M: Q; f) q5 G. q$ N
CLIENTINFO HttpClientInfo;( [3 b k6 W. T6 T5 D# J
//# G( q ^+ n$ c% X
typedef struct _SOCKINFO{0 ?) p8 e) f7 ]2 |1 Q& r; y% J
SOCKET sourcesock;
. O- A# v" X4 e/ e3 D/ FSOCKET destsock;
5 v G- [5 N4 t% H* G W4 Z}SOCKINFO,*LPSOCKINFO;
2 K9 O+ ~( d% k2 X1 bSOCKINFO httpsockinfo;0 t0 p: f% y: j+ o
//
6 {! u; }- R8 d3 `1 iextern long GetSocketEventId(SOCKET remotesock);9 x) c s/ j, Z% U( K" U
extern unsigned long GetLocalIp();
$ I$ p* w& W6 X- U. i6 c" s( e- l% A- gextern unsigned long GetDomainIp(char domainname[250]);
. j2 `' m; N3 D! B1 b/*: B; [9 V2 d' S! u
long GetSocketEventId(SOCKET remotesock){9 J" t x8 J' f* L( g) U; Y$ M ?
long EventId;8 W/ L+ Z- j! e: @8 W3 \
HANDLE hevent;6 H g6 N, [0 K* ? ?0 z
hevent=CreateEvent(NULL,0,0,0);
" y: o' h7 ^" q/ ^WSANETWORKEVENTS socket_events;; o7 G7 l8 X0 f/ }9 a+ n9 P- D+ K. m
EventId=FD_NOEVENT;
) s+ i/ Q8 j+ c9 _+ I5 tif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;/ o( I4 _0 m j* s8 S$ E: N
WSAEnumNetworkEvents(remotesock,hevent,&socket_events);$ G) S, ~/ R$ W5 S" E
if(socket_events.lNetworkEvents!=0){( R! T5 h3 G n, ]
switch(socket_events.lNetworkEvents){0 Z6 B9 a" t) v( D. `. I% J
case FD_ACCEPT:EventId=FD_ACCEPT;break;
% j% m( W/ J3 i, S; a0 ocase FD_CONNECT:EventId=FD_CONNECT;break;
+ a0 P6 j* R& p9 Bcase FD_READ:EventId=FD_READ;break;
& U: V5 ?0 z4 N H( n6 [1 k6 Ucase FD_WRITE:EventId=FD_WRITE;break;
8 y0 J5 t( P- L! G4 D, ycase FD_CLOSE:EventId=FD_CLOSE;break;
- l0 ]% V7 X/ G1 ~) Vcase FD_OOB:EventId=FD_OOB;break;
6 I. _& V" K$ ^& u. w! Zdefault:EventId=FD_NOEVENT;break;
* p' e7 b$ w. q* ]. H/ K# c}; n7 K& b% P! K3 n. h7 X) X
}
& W3 r! ~6 ?) g" xelse EventId=FD_NOEVENT;6 e# ~1 J5 x$ O: \3 z7 @# r6 P
return EventId;/ R* s' \* V, I" ?
}+ Z6 O1 H# T9 Q5 w
//
$ M( T. P1 M! Z- z3 M, @& ]1 cunsigned long GetLocalIp()
7 D: K8 \9 _2 I Y{
3 b7 e3 N3 g0 o) A. D8 \8 r! q% b* cchar IP[MAX_PATH],*ip;
{6 U1 q' k" d |5 {5 achar pc_name[80];# c+ j. E( Y1 B4 I" ^( l
struct in_addr in;" M6 i" L$ O1 R7 |9 W. J( p
struct hostent *host;
: ^1 V* H" s3 m' c% ?: jWORD wVersionRequested;+ I) V2 f3 i" Y6 l7 v; h- |
WSADATA wsaData;
: ^! x0 R( u% r c8 O6 p( T8 F/ TwVersionRequested=MAKEWORD(2,0);8 a, l3 m. p* [8 m1 {
ip=IP;& }, ^1 V1 ^, a3 ?6 s' ^4 K$ K
strcpy(ip,"Ip not get!");
w1 A$ W( ^' t. J/ o3 p& r; Nif(WSAStartup(wVersionRequested,&wsaData)) return 0;
9 z! P. a. ~: k6 N* p: s8 j, \$ ]if(gethostname(pc_name,80)==SOCKET_ERROR){
" ^; k3 m! J( e4 U0 S" IWSACleanup();2 ?6 |; \! n g% P5 x& W0 }
return 0;
$ Q* U: a) F3 f: Y4 T}
9 q+ ~8 x7 a; x( Pif(!(host=gethostbyname(pc_name))){
) n( \+ H- L' d5 }" oWSACleanup();( t- m1 A$ }. g1 ^+ C0 Q
return 0;
! ~' x0 {- Q* G% y. M" `}
1 A! H& n2 K; H. `in.s_addr=*((unsigned long *)host->h_addr_list[0]);
, i6 i$ x/ }1 s! Kstrcpy(ip,inet_ntoa(in));6 r0 Y! S# ~# g( e
WSACleanup();
2 k% q/ q7 P L! j; S l7 M; ?return in.s_addr;
7 _7 M" J3 |3 ?- R* l/ }/ L}/ p. ?0 W* ` R' k
//
0 |" s4 }9 Y! munsigned long GetDomainIp(char domainname[250])
5 I7 Q& j1 N, I; N9 Z{
z4 U& h& W9 u/ ]- _0 @char IP[MAX_PATH],*ip;
& y& o5 C& ~: K, V$ i+ dstruct in_addr in;& T S c# X1 e/ O Q! R. a+ I
struct hostent *host;
5 f: z$ q; i: y2 ]4 W' ~ WWORD wVersionRequested;1 O6 X+ Y7 B: M
WSADATA wsaData;* r4 {! T$ N! B" P4 t
wVersionRequested=MAKEWORD(2,0);
1 _+ p! V( Y& x( g2 I0 |" b! E! l! zip=IP;: M& T" D/ ~+ ^+ q8 s$ ~& d; z4 E1 f
strcpy(ip,"Ip not get!");7 Z y/ N6 @4 C9 X A
if(WSAStartup(wVersionRequested,&wsaData)) return 0;
F7 C5 o+ [+ Q Q! m# t; N6 tif(!(host=gethostbyname(domainname))){0 `$ L4 ^/ [; ~) L5 T! c l! I9 w
WSACleanup();
; x2 d1 I$ {( q& S/ n. P2 m; \return 0;3 p: O. t* k* c% Z0 K/ p: s& g
}
{/ a! p8 U4 j3 A G: Pin.s_addr=*((unsigned long *)host->h_addr_list[0]);* g' w0 y. I1 G+ a) _5 {
strcpy(ip,inet_ntoa(in));- J: Q% y, C/ p) L# q1 m
WSACleanup();
* l3 U. X& z' T8 E( greturn in.s_addr;
% u5 ]% z$ s. F$ |}
) t1 ~/ C4 v) J/ [7 {*/+ A3 ~' @. t i; B
//- W' d; |6 M1 z% |+ i
//
% ]6 O2 i! m( o' m7 ?UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程
4 P4 q. X m; r" I& i4 }LPSOCKINFO psockinfo; 6 p6 k' {: x& T0 c; X: o: h9 I; F
SOCKET sourcesock,destsock;& Z$ p2 d4 R0 k4 E, f
char data[MAXDATALEN];3 O/ X! k' N5 {/ c6 p) @
long eventid;
& d1 n2 [3 o7 A* D* _6 W( Aint datalen;) R1 X3 U2 N: u, ?/ j( y# g
psockinfo=(LPSOCKINFO)info;8 `. I6 v8 g2 o5 C
sourcesock=psockinfo->sourcesock;7 A; Q2 V" V" p0 T# _
destsock=psockinfo->destsock;( i. j) {. }- O8 D+ Q
TRACE("deail recive thread ok!\r\n");, p. |" @, A6 ]" T3 A# b" _
while(true){/ E" I/ W5 A1 a$ ]$ J* r: T
eventid=GetSocketEventId(sourcesock);9 c8 Q% l$ H/ q* ^$ V$ k4 X; h4 K/ ~
switch(eventid){' u5 L- S! [' \+ ]0 f0 m
case FD_CLOSE:
; e0 i2 C/ B. p& j$ bTRACE("s fdclosed\r\n");" s' ]$ G+ d1 B8 f
closesocket(destsock);/ Y, w: S, {7 t) B/ Y
return 1;
& A& ~! x6 r0 g* H) g3 M* R( s5 S+ Rbreak;
" ?- e/ ~% b' _; W; `default:break;# i- `; }/ A& \1 i. [) s/ M
}
" c/ R' v" S0 `6 s6 ceventid=GetSocketEventId(destsock);2 D5 U# }5 G& N/ N
switch(eventid){& F( r/ J7 W: e
case FD_CLOSE:
G( S6 s" C' l2 w5 ?closesocket(sourcesock);
6 j6 _7 E* }! \TRACE("d fdclosed\r\n");
$ X0 Z- a" O7 v- n( qreturn 1;
0 W! t% C2 M8 {4 G a3 k* X8 cbreak;- a( N0 d4 k3 ?4 s( w/ _) l# x
default:break;% t2 `1 c! q9 P) F' N
}
2 g. S% [. [6 Q+ v, _ M( e, d4 Xdatalen=recv(sourcesock,data,sizeof(data),0);* ]4 |! m8 z. P) n: C8 G& S, {
if(datalen==0){
9 X2 g. k6 R& H n C1 L4 M7 R) [7 H# Oclosesocket(sourcesock);. @: Z1 R) {7 n7 n" f
closesocket(destsock);
- o% ]" _! o& d. qTRACE("s fdclosed\r\n");
& ]- A7 ^; y8 X) c: }$ Kbreak;$ P0 v( o" u$ b9 [! t6 ~
}/ b( R I4 s; R5 S
if(datalen>0){
& g5 E3 h( k- Z' I H, {, Awhile(!send(destsock,data,datalen,0));7 Z' h- a7 @! h; u1 b( {7 m! p
}; p% s( E0 Q# {' w' w
Sleep(1);+ j7 c) b% O5 @! Y) u. o7 P' d
}
- [! E$ H8 B' K9 Y% M6 s5 H, [$ }return 1;
& `9 [' S+ w: U}1 h: a! x+ z% d
//- j, S; Z$ u+ A
UINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程6 E% W) j0 r! E7 p8 v, H
LPSOCKINFO psockinfo;/ B# Q* v' r( ]( L# a: l( ^
SOCKET sourcesock,destsock;
; F; b F: |. `7 B; W0 kchar data[MAXDATALEN];% j: d* W; U# U
long eventid;/ w) I( m/ L$ v. i% }( O4 W# r4 N0 R1 X
int datalen;: X. z7 z- i# M; n5 Q% y
psockinfo=(LPSOCKINFO)info;, N8 l8 O) q* l6 H7 E6 D
sourcesock=psockinfo->sourcesock;
" z; H- S; Q5 G) p C! q4 o! o3 r2 Ddestsock=psockinfo->destsock;8 r) J8 i( j2 f2 k
TRACE("deail send thread ok!\r\n");
( e0 b' ~* r% ~4 N+ L* X2 m" \while(true){3 j0 {; M6 P( O9 T n9 m( B
eventid=GetSocketEventId(sourcesock);
" A' k. c% l+ S8 d. E7 sswitch(eventid){6 c* s% r% e% L$ K! _. F, b2 s
case FD_CLOSE:' U. g2 H4 K, Z( ]" A' o
TRACE("s fdclosed\r\n");
R: x( [5 \, Y* Zclosesocket(destsock);
9 x. l: A3 W! R% Xreturn 1;
n: v- G9 o, S' X) vbreak; N" B8 g8 L. f' h% I* M# J/ R( w! X
default:break;
0 s- B2 R; p: } C7 Y8 z# `- {* ~}
/ k1 J9 h$ f+ F0 S- T: @. Meventid=GetSocketEventId(destsock);) Q. x& D" k/ m
switch(eventid){
9 f! x2 P! j3 }+ r l$ `case FD_CLOSE:
% L" w8 y& |" f$ p" Nclosesocket(sourcesock);. J- |' M- _* t4 P
TRACE("d fdclosed\r\n");
* N$ x# a" _2 Z/ Y' P- Nreturn 1;" L1 m0 \6 D& C$ U/ K" i5 a
break;* F1 a* k. J' Q* y H$ T. E2 B
default:break;
% x0 Q6 g( o7 _}
" p( r! l T/ l3 [datalen=recv(destsock,data,sizeof(data),0);+ M8 m/ x0 Q1 b
if(datalen==0){
# U9 C* _- O$ q2 x. j! [: e eclosesocket(sourcesock);) x4 i, c9 f( ~# q
closesocket(destsock);0 m& x( p- N5 z& {: l: Z5 ?! a
TRACE("d fdclosed\r\n");, X# r$ B, I+ S# B
break;
! F8 W+ S$ q" E; X* M. p n}
4 o. R' S1 b8 J1 f# O1 uif(datalen>0){
; j3 `- I- c% Xwhile(!send(sourcesock,data,datalen,0)); C0 H$ q- ?& A O
}
( _1 Z, E5 f& d# G$ vSleep(1);! i4 ]! L! M0 L, v$ b/ G+ Z
}+ T: [3 H0 w9 D7 b: r/ x
return 1;2 Z: K7 Z2 x2 @9 m" P$ Y+ |* }
}& \1 a9 \6 ]$ J$ G- s, Z* l
//
- y+ Y1 l U% L" _ B; X% ?//. A' w# M! J7 y$ p9 c
UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程
; d) b+ [% X7 P! B& ^4 FLPCLIENTINFO pclientinfo;
& q: l1 ]4 s; O3 {) K( ESOCKET connectsock,clientsock;
* c3 d3 b# r3 G! z) y; Usockaddr_in remotesock_addr;+ Y6 m2 d7 [' ^& |8 x2 O! m5 `, n! [) i
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];9 n J8 ~4 d( ?8 e3 J
int datalen,i,index_start,index_end,port;
! t9 v! O$ A7 D$ d) ?" o) ^CString HttpString,UrlString,PortString;+ q$ j5 N' R: g" I5 [1 w
pclientinfo=(LPCLIENTINFO)info;
9 ]: Q- ?0 L6 G/ Eclientsock=pclientinfo->clientsock;, L# v" [: q7 F: i$ Y* f
ZeroMemory((void *)data,sizeof(data));; K4 W! W/ p' o0 t. V
datalen=recv(clientsock,data,sizeof(data),0);- u5 G7 P3 M) p- f+ y% S
if(datalen<=0){2 k2 U/ _4 Y# Y$ x! x/ p
closesocket(clientsock);' M' c, R' b' ^" H |
return 0;
! E1 o k$ q& e3 q( ^ |
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