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打造自己的HTTP代理服务器

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韩冰        

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发帖功臣 元老勋章

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发表于 2004-11-21 00:17 |只看该作者 |正序浏览
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/*========================================================================= 3 H1 D: [, V. Z2 Q8 f' `FILE:HTTPPROXY.cpp ! ]0 i& y0 a) V- ? ? }HTTP Proxy v1.0- Q% a+ d3 \. I& n' H0 r. n powered by shadow 2004/11/14) ?9 J% c( f3 r7 }' j7 Z1 L my web:http://www.codehome.6600.org8 j9 @7 q) Y4 C QQ:176017352 / @: g2 P5 p; R: G" d1 x# b4 T请先阅读有关http代理协议的相关资料,转载请著明出处( _0 g" H) I; ` ==========================================================================*/ $ `, F5 S8 ] l" |( T5 w7 \

#include "stdafx.h" / o0 h& s b& O/ x3 _! T0 A#include "HTTPPROXY.h"4 @' y; _* p# m* n #define FD_NOEVENT 02 ^$ m& a) M4 I7 P // ( J2 o- w& u* H: M. z: K( L; g d#define BACKUP 100 T' y1 m% Y4 | #define MAXDATALEN 65535* l6 p5 b- z6 X0 i2 c- g int HttpListenPort; + o2 t, }9 G/ y" ?7 Y* p/ u- |8 _SOCKET HttpListenSock;, D% w( J& r+ F' l' d' t- E, W //, P8 w- h, j `; \5 v typedef struct _CLIENTINFO{% ?% ?% E. {; O6 S! V# n8 O# z SOCKET clientsock; z% P P& z j/ g1 SSOCKET udpsock;1 x& d& `% `- Q) \/ i9 f sockaddr_in clientsock_addr;( F" i1 s& y" L2 q0 b# P1 d+ M }CLIENTINFO,*LPCLIENTINFO; 0 ^! P* v+ @- u$ d$ PCLIENTINFO HttpClientInfo; 5 l3 v+ [2 Z3 }9 O8 i// + _3 M" b e! d' C$ `& K& X' Dtypedef struct _SOCKINFO{ : O( \. J0 p kSOCKET sourcesock;& e0 |5 v/ M' a4 W& B SOCKET destsock; , G; g7 |% d1 w2 z r1 W}SOCKINFO,*LPSOCKINFO; + Q; I* k! T- u" b7 O/ T; J% iSOCKINFO httpsockinfo;. h6 n& K7 Q9 S1 X& `/ T6 K H //! P+ d; d. D- Q0 G7 `/ j( g0 u$ Y) E extern long GetSocketEventId(SOCKET remotesock); 3 _4 d7 r& i" Gextern unsigned long GetLocalIp(); ) x& |4 N/ U. ~. a; ~extern unsigned long GetDomainIp(char domainname[250]); # R2 T3 x; C a' z) \" Y. U/*- ^ I7 a N5 Y- ^9 u long GetSocketEventId(SOCKET remotesock){ . b4 k% [8 @" l( l Y: u. Qlong EventId; ( y0 i+ n* a; r0 B$ mHANDLE hevent;6 f, _% G7 T& a d: y hevent=CreateEvent(NULL,0,0,0); , ]& ]% B! m9 M) S' o4 rWSANETWORKEVENTS socket_events;9 w, M$ Z( z6 V EventId=FD_NOEVENT;( q/ r! T' V6 V1 |. F m+ f if(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;! e% ]5 v% M4 ?! t WSAEnumNetworkEvents(remotesock,hevent,&socket_events); 7 q& N7 w! y5 @' d/ h9 wif(socket_events.lNetworkEvents!=0){3 a |1 }0 }/ M1 d! c/ t6 H9 _# K switch(socket_events.lNetworkEvents){ 2 l, U4 j1 f" @case FD_ACCEPT:EventId=FD_ACCEPT;break; ' q* r& z5 O$ E. hcase FD_CONNECT:EventId=FD_CONNECT;break;3 R! G. n$ D2 [6 _$ d9 x case FD_READ:EventId=FD_READ;break;$ B* `) r4 s" U& s; ^7 U2 ~6 t case FD_WRITE:EventId=FD_WRITE;break; * O, b0 i" F; c! l- Qcase FD_CLOSE:EventId=FD_CLOSE;break; $ r3 z$ Y9 B" _5 M& ~1 }' r* p% Icase FD_OOB:EventId=FD_OOB;break;6 ~( X* ^ Y0 r/ H! k default:EventId=FD_NOEVENT;break;: b5 @' I* T1 F3 E/ \3 W3 @ }4 O( Q5 E J3 j6 y- s6 F } 7 E# G, M0 i% d# u( I1 Ielse EventId=FD_NOEVENT; , P9 i) M1 o# Jreturn EventId; , P7 L7 `8 K7 r" V2 b* F9 a6 Q} 6 |. a: E' R! M |) t/ k//9 k0 X! ?* b4 [* I$ a b$ W: Z+ o unsigned long GetLocalIp() 5 m e( X5 u! _2 e r# A; z" h{7 T$ r- J* a$ C3 y char IP[MAX_PATH],*ip;; }3 d# N# u' \0 d2 _ char pc_name[80]; 0 ^8 \3 D! X- q I5 estruct in_addr in;% [0 d9 U6 Q t. Y# [# i struct hostent *host;9 `; @! H0 X- s- A WORD wVersionRequested;0 O! q: X9 H" f+ V! E WSADATA wsaData; ?8 h# A1 Y m! X wVersionRequested=MAKEWORD(2,0);; M6 P1 J; `' G/ G1 U ip=IP;4 d: c4 k7 ^ t! [: t strcpy(ip,"Ip not get!"); c' C0 U* Y( K) X: D7 l if(WSAStartup(wVersionRequested,&wsaData)) return 0; 6 B* M% w8 n' K/ ]1 {if(gethostname(pc_name,80)==SOCKET_ERROR){ & q; E6 c; N9 b% nWSACleanup(); ; A, ~3 Q! F9 L greturn 0;' D- _- g9 J. \1 {% V' c9 I } 9 e' l( E$ _9 l+ I: P9 C7 @if(!(host=gethostbyname(pc_name))){ * R+ p# ~5 @ V6 G- d9 p4 uWSACleanup(); 4 [ [& \9 ^0 q4 f6 Z" p$ Oreturn 0;- T' J5 i/ v" c } ' s9 R5 S' R4 {- Y, @6 Y( Tin.s_addr=*((unsigned long *)host->h_addr_list[0]); 0 x+ `& E1 y. C0 e; d! {. g& Kstrcpy(ip,inet_ntoa(in));7 e- h: e& Q. C8 M8 \% _ WSACleanup();: ?+ w6 ]; I5 n3 k6 U# g6 T0 H return in.s_addr;4 Q; X3 a0 }( A0 a* U }# |3 }6 }( X. [' M# P- P2 X5 L // " r |2 e3 @, u/ c2 C Gunsigned long GetDomainIp(char domainname[250]) ( @3 v; e; j7 |{3 _3 C, w$ X* U char IP[MAX_PATH],*ip; " g' z+ O5 Q- [+ gstruct in_addr in; 4 Q" Y" `) q5 Jstruct hostent *host;& B- z9 j" B" `5 [: s$ P# S WORD wVersionRequested;) z* W5 r* A0 Y9 W- B- S6 B. P WSADATA wsaData;5 a1 z6 E" h H, @; R# a wVersionRequested=MAKEWORD(2,0); / g+ o) s$ C2 v8 F0 h9 a1 G' Kip=IP;( v6 C9 R+ m7 Q* ]1 J strcpy(ip,"Ip not get!");# _9 _% ~+ S5 x P if(WSAStartup(wVersionRequested,&wsaData)) return 0;+ g7 @7 @4 I# @. S' h+ z if(!(host=gethostbyname(domainname))){ 1 X+ h7 R! A/ K( B5 W9 @% \3 U2 lWSACleanup(); ; b. g9 }6 V8 g; |1 qreturn 0;2 m8 e) B4 B1 h" w& j( { } + l0 I4 L6 M2 C& R0 S% uin.s_addr=*((unsigned long *)host->h_addr_list[0]);( }; v1 @8 |2 f: r strcpy(ip,inet_ntoa(in)); * \% ]8 [- {/ V* u$ q6 o7 t) n: \WSACleanup(); 5 y; K- z2 Y5 q+ Z( V3 N6 F6 Rreturn in.s_addr;9 B, L' X2 a# l- Z4 r* n2 Q }; `9 W6 Y+ V1 u1 @) f! p9 H4 c/ x */ , X2 i. v% ]+ ?* t1 l/ @// L, H7 d' @, c. k k2 F3 W- T // - w" O8 l q! D; Q( iUINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程" c [: F2 C u4 }; Q4 z LPSOCKINFO psockinfo; q! ]/ h0 \' n/ f- GSOCKET sourcesock,destsock;) B0 a" U% r2 k) C: P char data[MAXDATALEN];# B; c& b0 f. ?+ I s long eventid;+ O+ b7 g* L+ T9 S8 t/ y: i int datalen;% _" u8 \9 M; u& H0 E$ f, i psockinfo=(LPSOCKINFO)info;4 V/ ~6 u3 p6 j# Q. Q sourcesock=psockinfo->sourcesock; ( G+ v6 P0 G& U( [* gdestsock=psockinfo->destsock; 3 @0 {- U( b6 x! L% WTRACE("deail recive thread ok!\r\n"); 1 C/ s# v8 A$ D6 D% Zwhile(true){+ p: y- Z e/ [# e3 ^& M3 B eventid=GetSocketEventId(sourcesock);# R& F# y8 G2 }" ^8 L2 H switch(eventid){ , J: L8 i" P4 g& c( s7 T" Q$ |case FD_CLOSE:4 F1 V$ W9 m& b% ~' E/ h' e# B, O TRACE("s fdclosed\r\n");- o, X: Y" H0 x5 O closesocket(destsock);" F1 L$ h" `8 y8 |3 Y: [ return 1;* q+ Z7 C, g# @ break; - ]0 |+ s* `1 L" i! ~( Edefault:break;. t$ ~, z9 E6 Q5 ?- T8 N& p6 ~ }9 F" `9 C. T4 a5 P eventid=GetSocketEventId(destsock); y9 W; }- b" I; p9 ~2 e5 w4 Y switch(eventid){ 5 M' W: ?; F, Rcase FD_CLOSE:: ?$ j% Q7 ^$ I6 d. h closesocket(sourcesock);8 z3 b; a0 G) S& ^7 c TRACE("d fdclosed\r\n");. n+ _$ J4 E) F return 1; / m; L) |2 A; m, w7 tbreak;) v' S! j! Y1 K: @9 S" l default:break; " h2 g+ F) c, [- P9 p}; w( N: F& u6 C datalen=recv(sourcesock,data,sizeof(data),0); $ |. F( y8 K0 |if(datalen==0){ 8 a" ?6 J7 `& `* L: Vclosesocket(sourcesock);: ~% G( ?: x/ z' d! u closesocket(destsock);* b! h7 R6 C( H/ `# @: g TRACE("s fdclosed\r\n");$ ^# ^; `. P4 {' }' ?; s) C- V break; ' `/ S: K# d" x% ]# U, B} ; J1 A' V3 c y+ y% ~if(datalen>0){ 8 l6 X8 i$ a6 T4 Swhile(!send(destsock,data,datalen,0)); ! Q; p5 B: e8 G8 m3 n, ^} ; I8 F2 `3 W- u9 K2 y2 ?( nSleep(1); , v. B# Z" E) I* v, c* F0 Y} 8 P3 e( S- F0 {) Ureturn 1; : d. R" S3 }& @6 ]7 |, C& z9 X}: N0 P$ [+ b7 c6 o* y% @ // 7 W& q% _7 x& D1 xUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程 ' f7 k5 h3 i% `0 V8 t3 Q" _/ ]LPSOCKINFO psockinfo; & L' I" I: q2 ^( YSOCKET sourcesock,destsock;3 d s3 G) P! J9 x2 W- x, R char data[MAXDATALEN];+ U& v8 A& g: n' w6 r long eventid; - r! {+ L( u j7 uint datalen; : o. g4 @6 ~; P/ Hpsockinfo=(LPSOCKINFO)info; 1 B! _& T: a" [$ e. { N7 esourcesock=psockinfo->sourcesock; 4 j$ L t" H' Y( h5 [9 Hdestsock=psockinfo->destsock;' D0 w( X4 @- T0 ]" {9 u4 R; v TRACE("deail send thread ok!\r\n"); _3 ?3 v8 ~; swhile(true){. x' h, @. B* J! C5 p eventid=GetSocketEventId(sourcesock);- n# Y) P# H+ T switch(eventid){% B" }. `% b1 {2 \8 X, y- \6 A+ ` case FD_CLOSE: ! p5 V' _; R) ^' Z7 d4 c. d& f& YTRACE("s fdclosed\r\n"); " b, r& J4 C# \2 j Y, yclosesocket(destsock); : I6 D8 w0 [4 O. R% O8 C+ |8 X+ Ureturn 1;( u8 P ]8 t: K break; $ R z% H8 G( Udefault:break;& ^5 o: h- W1 ^7 | } % V! S8 h4 C4 c* A2 D3 k- ?/ zeventid=GetSocketEventId(destsock);7 Y( Q# L; w4 L4 h" D switch(eventid){ 3 `7 k5 }/ u Ocase FD_CLOSE:0 w3 q. J! l2 ~9 l6 |7 m0 s closesocket(sourcesock); 0 o" {/ y2 }; {+ e/ ~TRACE("d fdclosed\r\n");7 J: q; e6 ^% \: C! K1 Z return 1; ( f" L- f' l- j1 ]* Nbreak; ! f1 x. }. T8 tdefault:break;* r) r, |" g% o/ I& t( O/ x, `7 t }, k: A, T) q2 E" w& s datalen=recv(destsock,data,sizeof(data),0); # T* I8 c) d: k# b# v W+ Y4 kif(datalen==0){ . c/ w0 u. f& bclosesocket(sourcesock); - O8 E- t5 i: b4 cclosesocket(destsock);. L$ o; |# ` }' S F% b& V TRACE("d fdclosed\r\n"); & s+ E; }7 O3 Jbreak; ) O+ u! p4 z J" N* l}! M6 o" W$ {8 W7 y4 W+ n7 L if(datalen>0){. o; v3 f0 ^( b4 `( p6 ` while(!send(sourcesock,data,datalen,0));* I8 X# Q9 } L1 J } / Y! h; y; C& ?. X7 k7 _" iSleep(1); " [: t$ [2 B$ v( b}3 @2 d- G) C, v3 T7 R1 F return 1; . t+ F8 N: k- z) j# i, e' k} ; b- r5 Q6 ~' z& ? ?1 i// ; t- \" r' G: C. {2 G0 v! p//3 [$ A$ I2 C1 m! ]0 ^9 ^ UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程 0 W5 l# U9 j5 t+ n: o% y! dLPCLIENTINFO pclientinfo; + Q/ C4 k- R' _/ `4 z! DSOCKET connectsock,clientsock;% _9 |" g# b7 H) \6 m sockaddr_in remotesock_addr;4 Q' A/ A3 h. Z! x" F6 R char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10]; S. x4 F# `) | {& E4 c int datalen,i,index_start,index_end,port;3 H) B, b% V# y9 x CString HttpString,UrlString,PortString;. S# `" f0 g5 h pclientinfo=(LPCLIENTINFO)info; $ M* j* k8 _0 z' T) o7 vclientsock=pclientinfo->clientsock; / U' ]/ Q9 ]( h2 f( |$ T# u% ^1 f# _ZeroMemory((void *)data,sizeof(data)); ! F2 P- ]; |% n9 x% Ndatalen=recv(clientsock,data,sizeof(data),0); / G$ ]4 @% X% M9 k" uif(datalen<=0){ 5 |# d( \( R, n$ Q$ Sclosesocket(clientsock); . w# {/ r* s' N4 f9 Ereturn 0; ) g4 O, N. d1 x, B! E$ X; ]

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发帖功臣 元老勋章

}) P6 P( a# P2 J HttpString.Format("%s",data); 5 t5 h- Y% T. n# IUrlString=HttpString; # t4 _/ G: s8 p3 FTRACE("get http string:\r\n");; d1 @1 `& G- }8 ?( G' H TRACE(HttpString); 4 h" j! L# j; @0 qindex_start=HttpString.Find("Host: ",0); //寻找url标记 * ?% y; \8 p2 @) J: h1 R' S8 ^if(index_start<=0){8 s1 d2 ^- e3 s; v' } closesocket(clientsock); + l6 S) f( {" treturn 0;+ v4 c& v% ^$ J4 A- J } & W H( L9 O* B; [index_end=HttpString.Find("\r\n",index_start); j$ e- |' z# _6 k+ O5 Hif(index_end<=0){9 X0 L+ n7 [ @' C closesocket(clientsock); 5 \+ E$ d. m1 ~- h) d2 H. @- Yreturn 0; ) s+ l* H% {; m) p}9 e& P3 n2 s9 n5 n UrlString=HttpString.Mid(index_start+6,index_end-index_start-6); //读取 url字符串5 A$ q1 c9 p) { TRACE("\r\n get url:"); ! h" w2 {% ~+ I7 TTRACE(UrlString);4 Z# N l! H5 V5 o wsprintf(url,"%s",UrlString); }# a. u3 l8 |5 k2 N- | ystrcpy(temp,url);3 i3 F7 I' Y* M strcat(temp,":");8 w3 h3 ]; n; y+ I% Q datalen=strlen(temp); * o/ ~3 U# ?# ]2 }, p$ i* j zif(HttpString.Find("GET",0)==0){ //判断get命令,并处理4 }. P% B3 u, }6 ?- Z! A2 W( m% F index_start=HttpString.Find(temp,0); * F1 \! c0 V2 t9 Gstrcpy(httpurl,"http://"); 4 j* b* O+ `9 |( | {if(index_start>0){* P6 K" e, n- {2 s index_end=HttpString.Find("/",index_start);; {" r! z' g* d- h if(index_end<=0){ & \2 I7 t9 d& p. Sclosesocket(clientsock); ]/ l p" t! Lreturn 0; 5 O" k. v1 {: R2 G4 Q$ w) H6 `( I}, q; ^( y9 I8 I7 T0 h" m PortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen);0 Y, t1 |# R! m# w' z( K6 l& S, | port=atoi(PortString);2 R6 \+ K! u/ g2 {) j! K g strcat(httpurl,temp);4 `5 a# [, C- Q) j; p6 Z itoa(port,portnum,sizeof(portnum));( A" z6 ~; Z6 {, `, d* ?- z strcat(httpurl,portnum);+ @" L1 k8 h1 a, p9 Y" Z) u( C strcat(httpurl,"/"); ! h8 y6 U" t/ t1 F/ V8 z} 7 h% y2 R; @; x' j0 Q- delse{ 0 N) s% ]$ M9 D0 cport=80;9 c; D2 ]- v( u$ ^, R9 M strcat(httpurl,url);: p' x! y" ~: [8 A( ~$ z( l strcat(httpurl,"/"); i+ j7 I3 v! G j }% v: `6 O' h. Y9 ` h TRACE("get http url:%s\r\n",httpurl);" M/ N* s e1 h4 t7 O HttpString.Replace(httpurl,"/"); + X& f4 G" C1 P$ t2 \HttpString.Replace("Proxy-","");8 O9 q0 G# u) `2 [; Q HttpString.Replace("HTTP/1.0","HTTP/1.1");/ k) }: L1 o1 c } . L x7 g0 M. Melse if(HttpString.Find("CONNECT",0)==0){ //判断connect命令并处理/ C' `% s- r: e6 y3 \/ y index_start=HttpString.Find(temp,0);( _- ^8 f' p) w5 j" Q9 b6 r) S. L if(index_start>0){6 Q. o) X2 O% J9 x3 I index_end=HttpString.Find(" ",index_start);; m/ W3 Q" C n7 H& Z$ Z if(index_end<=0){" b+ ]5 S2 u2 k [8 f9 e b closesocket(clientsock); " Y0 Z; ~% B C8 n" ?return 0; & X( Q' e& W: G} % u, ^6 d: q2 K. X/ I8 f9 s6 XPortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen); 9 p& M1 ^* a. R. @4 xport=atoi(PortString);. ?& e, u0 B& G y1 R( J$ c } 4 C3 Y ^) u5 B- Eelse{3 }8 H! l2 e% Z$ m2 F closesocket(clientsock); , o1 V* }/ \! }' ?! lreturn 0;& m2 j1 Z2 y) D2 c- q } 9 G, ^2 q- H* A3 O& c* \}/ S6 w; I( \7 x4 A2 Q. W- S TRACE("get new http string:\r\n");: |) E m3 K6 _" G+ `! U5 t TRACE(HttpString); % k, e' P; d* C5 [4 {remotesock_addr.sin_family=AF_INET; 3 }1 Y) V1 [& G7 {2 hremotesock_addr.sin_port=htons(port); R, g+ g+ d) W, y) X. b* K remotesock_addr.sin_addr.S_un.S_addr=GetDomainIp(url);8 E( J+ r1 o! V" ~5 L* | connectsock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);# r& p {+ N, }/ K if(connect(connectsock,(const sockaddr *)&remotesock_addr,sizeof(remotesock_addr))==INVALID_SOCKET){ //连接远程主机$ X+ E8 q6 F- U6 N7 C7 D4 [2 b closesocket(clientsock); ; Y) a0 t* c B+ s4 mreturn 0;+ m$ f, j1 b9 D" {$ r: w } - I, }! j" e" t4 y/ ~ cTRACE("\r\nconnect to remote ip ok\r\n"); 5 F* {$ t- D2 X0 ]/ c+ z ZeroMemory((void *)data,sizeof(data)); 1 X d9 d# a# twsprintf(data,"%s",HttpString);- z& r% v& f! R3 x2 X# s datalen=strlen(data); 5 O1 s Y2 A4 e; Tif(HttpString.Find("CONNECT",0)<0) while(!send(connectsock,data,datalen,0));4 o7 R& }4 @" K0 m h: o6 e1 k else{ $ p, \3 ^; b) l. q, ^$ Ystrcpy(data,"HTTP/1.0 200 Connection established\r\nProxy-agent: CHTTPPROXY V1.0 powered by shadow\r\n\r\n");4 |2 N- K5 {5 H& M/ m. [ datalen=strlen(data);' h5 c& r+ j+ A( R! l while(!send(clientsock,data,datalen,0)); - f$ B1 ?* z: |) M3 V9 N' v}( S( x7 o$ Y. q; p7 ~, Q& r! c httpsockinfo.sourcesock=clientsock; 9 G1 k. |4 s0 |, U- I7 Y ehttpsockinfo.destsock=connectsock;' _0 y) U, z4 O! m' D6 R AfxBeginThread(HttpReciveThread,(LPVOID)&httpsockinfo); //抛出处理线程 # `( ]9 z7 j/ _3 `8 s6 D& z' ?4 q9 zAfxBeginThread(HttpSendThread,(LPVOID)&httpsockinfo); //, {% R# H. L9 @3 n Sleep(100); , Z. u7 C- B% G) Y! \6 Rreturn 1;; g7 e! v6 b: o+ m5 E }$ @( X6 i# N% A, j) r, }3 j& m: { H // 1 k8 X5 |7 a: ~! l4 D' J) _UINT StartHttpProxy(LPVOID info){ //端口监听线程! ` `% W2 u7 X& ]5 T/ F1 @ SOCKET NewSock;7 w; v' \) Z+ I2 X6 e' s7 ^" ^# A; E int socklen; ) h/ a5 r9 u+ e) G, A: ~; zsockaddr_in serversock,remotesock_addr; ( Q$ D" |2 e. x3 i! n: V Zserversock.sin_family=AF_INET; 4 O3 [7 O r6 N! U K2 c- `serversock.sin_addr.S_un.S_addr=INADDR_ANY; & t& g& U: o8 \ x$ u* Iserversock.sin_port=htons(HttpListenPort); ' N4 c! h! g0 B% N/ [ mHttpListenSock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); . c0 B4 O' t0 {8 I a( Kif(HttpListenSock==INVALID_SOCKET) return 0;' m% j7 N* n* H) S8 p4 c+ O0 T if(bind(HttpListenSock,(const sockaddr *)&serversock,sizeof(serversock))==SOCKET_ERROR) return 0;- S+ M: u8 B. F listen(HttpListenSock,BACKUP);% s# Q( \$ s; z1 T socklen=sizeof(remotesock_addr);- O8 K6 ~& R' a6 _ TRACE("start http proxy thread while\r\n");; g2 W' e8 `4 G# R/ F4 p1 v" [ while(true){' `6 M1 z: H! @* [% ? NewSock=accept(HttpListenSock,(sockaddr *)&remotesock_addr,&socklen); ; V' e& X! i$ n. l' l7 A% z+ xTRACE("waitting ok...\r\n"); 3 _) i. v* b3 x0 H% Pif(NewSock==INVALID_SOCKET){& c" M' K$ B5 l* x# S9 z0 N Sleep(1);1 |1 @- V) r' p continue;4 B0 ~1 b5 Z* _7 v9 P d' B } ' Y; i0 W% u1 F* i: [ZeroMemory((void *)&HttpClientInfo,sizeof(CLIENTINFO)); 6 j7 n& c4 u7 e6 E' K3 x$ jHttpClientInfo.clientsock=NewSock;+ s3 k8 N7 I7 v: A7 r8 d HttpClientInfo.clientsock_addr=remotesock_addr; & H8 q% |: v+ B# f6 a. l3 y0 p6 l. { YTRACE("start proxy thread\r\n"); ( n# r5 F0 L9 H& A' m9 TAfxBeginThread(HttpProxyServerThread,(LPVOID)&HttpClientInfo); 7 }8 U8 S N5 ]Sleep(100); ' m1 U7 S# N Z) @6 `} 0 g4 B3 E" r- X/ Q+ lreturn 1;& o- H/ V( Z V4 m } : ]* G3 R l$ Q6 M2 l// F/ v; J! ~( V* p- Y3 f; J YCHTTPPROXY::CHTTPPROXY()) L* k5 V6 p2 [6 }: L { ) C: c/ g- G; \# |& ]) w6 uWSADATA WsaData; % [3 H) v* A1 I1 FWORD wsaVer;( X# W; H8 x q0 f& ^1 u3 j wsaVer=MAKEWORD(2,0); " C: O P) c, F* C7 p: \WsaStartupOk=false; 7 W' m2 e, J$ m" Mif(WSAStartup(wsaVer,&WsaData)!=SOCKET_ERROR) WsaStartupOk=true;6 [4 z2 I4 R3 d }

CHTTPPROXY::~CHTTPPROXY() ' A6 u3 q8 h( |8 ~& D. y1 W{* Q8 N1 M* Z3 U1 E8 S if(WsaStartupOk){ ' S' S- X5 |0 q8 z3 I: xWSACleanup();+ M9 l( o; ?( E, w2 t8 i5 e } % C) Q6 |# s! G0 X" K+ `" u+ W}

int CHTTPPROXY::StartProxy(int listenport)2 |% d. s6 c. \ { * M7 N: ~' Q9 @2 X+ s( r$ H8 p9 {HttpListenPort=listenport;: M% A4 a) c i AfxBeginThread(StartHttpProxy,(LPVOID)NULL); 5 e/ s' a, v% j8 f; E3 f) ]; X0 Z% R2 lreturn 1; 9 k! I0 N$ l4 D d}

+ {4 i6 Q1 T& B /*=========================================================================1 i1 {7 S1 g$ b8 j8 v/ A- F* P k FILE:HTTPPROXY.h/ O3 h" g H, r, a: [. j6 D3 e- r7 K# G ==========================================================================*/! F* Y" ^/ ~; U+ p, j class CHTTPPROXY / @$ E5 s0 T) C" L( g! q( O0 H{3 ]7 `% R1 M! Q4 B# x6 `4 k public: 1 x( \+ f0 g$ R5 Q$ H" v. v4 sint StartProxy(int listenport);, S9 a) M' \1 } bool WsaStartupOk; 1 g- L4 \3 C1 ]) l' `/ c0 lCHTTPPROXY(); 6 C& ~: j: p1 Z' |1 s+ g5 ?; Qvirtual ~CHTTPPROXY();

};

/*========================================================================= - G5 J. ^ T% Y( {0 }FILE:stdafx.h0 F7 h4 s- c/ k2 E ==========================================================================*/7 H7 Y; l$ n; J* j3 U- o #include 3 Q( y# G8 W7 R# {& @#include 2 v+ g# O$ @# T, ]) Z #include 0 d) ?1 B3 G, q2 C6 N, P$ V#include

+ d; I' z" W+ r9 Z8 r 注:不要忘了在link选项中添加wsock32.lib和ws2_32.lib,或在文件前部加上如下语句:" p9 ]& [& L7 \ #paragma comment(lib,"wsock32.lib")" g) m, D' h" d$ k4 z% d #paragma comment(lib,"ws2_32.lib")

本代码在win2k和vc6.0下编译成功~~1 {9 u3 K! r, S8 v" o) k 用法,把这几个文件添加到你的项目中,在WinMain()中添加如下代码: 6 u9 v9 J# j. j2 n: S& ECHTTPPROXY httpproxy; 9 ?/ x& _4 k3 X4 x: d1 }' bhttpproxy.StartProxy(7890);4 \3 Q h3 S% [8 H/ u 有问题mailto me! ' y0 S, u4 u/ _, f2 g

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