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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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/*========================================================================= " ~8 z. k: L+ E+ w( C8 {FILE:HTTPPROXY.cpp" k! r* P7 M7 f/ ^( D) i6 G HTTP Proxy v1.0 / Y# u. b7 }6 P& v3 upowered by shadow 2004/11/14/ P! D% d# _& ~& E2 z7 p my web:http://www.codehome.6600.org ! g. D( h$ T& Y# R7 \QQ:176017352 / k' J; x( j; W$ L) F. {请先阅读有关http代理协议的相关资料,转载请著明出处9 L4 j& B! I. N, z9 F ==========================================================================*/ # o8 E' S K2 B) y; ]

#include "stdafx.h" 3 m8 D! K( s$ x1 ?5 R2 v+ @#include "HTTPPROXY.h"8 E7 d7 {9 d# b: Z #define FD_NOEVENT 0" R6 O, @1 `# [# O //! |, L4 ^8 N& } X #define BACKUP 100 " J1 w" o( a- h5 {9 O2 x( _3 V#define MAXDATALEN 65535- L! w& c9 t2 i3 S, g int HttpListenPort;8 {& U2 ^9 U ` SOCKET HttpListenSock;9 C+ W6 j$ |, O4 e, i // 1 A* T0 X/ _0 c/ |typedef struct _CLIENTINFO{ ) g b# A; z' R- E8 [0 K* h( ESOCKET clientsock; + n* ?. G# z0 N; b/ gSOCKET udpsock;: p) ]' ?1 y3 t2 Q8 g6 ]. @8 B- X+ f sockaddr_in clientsock_addr;. w$ V6 o( [8 f8 `8 m, ^5 ` }CLIENTINFO,*LPCLIENTINFO; * k* f) w9 ~# s9 DCLIENTINFO HttpClientInfo;% T0 X9 m0 G1 o' v* k2 C // : V% ^: _& i: |$ |9 ftypedef struct _SOCKINFO{ . I" }6 u1 |9 a) d" qSOCKET sourcesock;2 z" w/ \0 ]$ L7 r: A, j0 @ SOCKET destsock;- r, @3 F% R# h1 |+ p }SOCKINFO,*LPSOCKINFO; 7 j1 }7 C' V5 E4 }SOCKINFO httpsockinfo; , \: W2 }! ?# z# \//7 T3 M: \. O. z8 T* g% C& Y extern long GetSocketEventId(SOCKET remotesock); : }5 S- S5 c0 p5 [2 a# c4 A9 mextern unsigned long GetLocalIp();: G. m4 E0 I; v$ L extern unsigned long GetDomainIp(char domainname[250]); 9 ^3 s7 f% X0 A" T/* 2 a/ N5 i; T, E, Q' R. xlong GetSocketEventId(SOCKET remotesock){; J; b; R% U9 z( t1 Y) ], Q" }/ S long EventId; , N" n) G" t( J' \: `HANDLE hevent;( d c/ e- Y! D$ g hevent=CreateEvent(NULL,0,0,0);# \+ @# G# q! c* o( T WSANETWORKEVENTS socket_events; 8 c$ a8 k. X4 |- vEventId=FD_NOEVENT;) F" }/ A9 }4 D if(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;* X2 F ?3 _1 H+ {$ e WSAEnumNetworkEvents(remotesock,hevent,&socket_events); : r) y4 M8 m' E: \& Q) b' e2 gif(socket_events.lNetworkEvents!=0){ 9 |2 H( M9 v, Q2 ^switch(socket_events.lNetworkEvents){ ! z. L) I% ]. |5 L4 ^% a1 Ccase FD_ACCEPT:EventId=FD_ACCEPT;break; . \+ a/ m) H+ a3 a r K9 w9 O6 ]8 _case FD_CONNECT:EventId=FD_CONNECT;break; ' Q# Y% T8 y) l. `! L N8 X9 _case FD_READ:EventId=FD_READ;break; & F: ?8 W8 q! n* `# a" acase FD_WRITE:EventId=FD_WRITE;break;- I( g# G+ T, a case FD_CLOSE:EventId=FD_CLOSE;break;. O9 m: _6 S ~- z e+ H- q! Q case FD_OOB:EventId=FD_OOB;break; 9 M; C8 |9 s/ L0 H" ~0 e! gdefault:EventId=FD_NOEVENT;break; - J2 @) f/ |8 }& ]}5 y: n% s8 A { }, O1 ?+ `7 u+ Z' r& ^# X else EventId=FD_NOEVENT;1 M" c1 b4 E/ [3 {0 q return EventId;5 }' i7 ?/ {% q' j- e# X }3 `3 B& G( p* w! t( j // 7 K1 C3 W1 Z1 Punsigned long GetLocalIp() ! J# p5 C5 ~0 S" l{ 2 N* y/ {( B4 F+ U, x6 S: `char IP[MAX_PATH],*ip; T+ I7 U0 a# j/ T. U# Z0 x/ p char pc_name[80]; @' c: A1 C3 e N% ]* {struct in_addr in; 1 X7 `/ _: x9 K# J, T: [( u- hstruct hostent *host; . `" Y6 Z# G. kWORD wVersionRequested; $ l1 m; D8 w) T/ ] aWSADATA wsaData;/ U" L9 i! @ Z$ h3 [ wVersionRequested=MAKEWORD(2,0); |" ^' M4 x4 i7 W* ?2 E ip=IP; & P" R7 V& Q/ W) A% l$ F7 Jstrcpy(ip,"Ip not get!"); ! Y, s% I" f) Qif(WSAStartup(wVersionRequested,&wsaData)) return 0; 2 ^, W& v7 [/ L' c$ n' \! K# {if(gethostname(pc_name,80)==SOCKET_ERROR){ 8 N# u+ O [$ a }7 s* M! v6 \- [WSACleanup(); - e% B' A! H0 treturn 0; 7 c; L+ R5 t/ Z8 @5 R}6 f6 ?' R. t6 z* R if(!(host=gethostbyname(pc_name))){# N+ Q v1 [4 b4 n6 H WSACleanup(); $ G2 H8 N. h2 I0 Wreturn 0;. h2 \3 T3 |2 m9 o& \8 R& s } 0 V& T9 m; N4 g7 c0 X8 y% Cin.s_addr=*((unsigned long *)host->h_addr_list[0]); . @; R! M5 O: Lstrcpy(ip,inet_ntoa(in)); " p& E9 j5 K5 B$ A% }1 d$ ~7 |- rWSACleanup();1 m, b" F& P' ^1 `% d/ k/ ~* O+ X return in.s_addr; : o" f2 }) ^2 m! V}, P- o8 x7 _7 O // & J! }, j0 o6 w U# W( p1 Junsigned long GetDomainIp(char domainname[250])( j+ ~# ]3 F8 O# N7 r { 2 z0 _0 ^. X( E1 Lchar IP[MAX_PATH],*ip; / u. R. r/ J& x6 H q' q T/ Bstruct in_addr in;4 m- V$ G% {& H struct hostent *host; # r/ `2 l3 {6 @; DWORD wVersionRequested;& N! n9 G `4 u, i! o% l2 G WSADATA wsaData; ! H8 L8 B1 u0 R1 hwVersionRequested=MAKEWORD(2,0);& B3 h$ i" W) c# F! X r ip=IP; 9 _9 P; ~5 Q8 N) J% }8 J: Ostrcpy(ip,"Ip not get!");6 K5 H' W6 S$ T( m9 ]3 b if(WSAStartup(wVersionRequested,&wsaData)) return 0;5 w* }/ ?9 V y8 ^) Z if(!(host=gethostbyname(domainname))){+ k+ h3 v" Z& S& E e WSACleanup(); ' C$ D# U* u* g% nreturn 0; 6 `0 ^7 f. q0 b Y1 ^} * w6 S: G* ^$ r* M# O/ qin.s_addr=*((unsigned long *)host->h_addr_list[0]);. @& f, S7 s: X+ F ~/ `2 f1 [ strcpy(ip,inet_ntoa(in));% q8 R6 q' Z+ N6 { WSACleanup(); & G) x2 s0 l8 u: K% H) x3 dreturn in.s_addr; ( T9 Q$ D* G- \, i! I2 t}3 ^6 K2 U+ U$ \- Z5 _ */, h2 c/ q# a! R // ! K% i# M4 ^% Q$ R [/ z// + s M6 Q0 u" N" H, m" bUINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程 4 k B* P# J% m+ w) I3 RLPSOCKINFO psockinfo; 5 Z2 O, @& {& y ~0 \# m SOCKET sourcesock,destsock; ' @+ ]: ^ \9 I' B& I4 M3 vchar data[MAXDATALEN]; ! y3 F% V, ]+ M" V6 `long eventid; - K; z& s$ ?8 c4 v: W# oint datalen; 2 N4 x4 C2 A- S; H: ?8 @: N7 lpsockinfo=(LPSOCKINFO)info;1 [ |% s8 Y& X6 T$ L0 n% n# ` sourcesock=psockinfo->sourcesock;: T) o$ M9 W2 X/ I, D destsock=psockinfo->destsock;4 n$ U7 b* z; N. a1 h- x TRACE("deail recive thread ok!\r\n");" k* \+ F! l- @* u while(true){' K4 N: `, J& c& k eventid=GetSocketEventId(sourcesock);! V5 G3 n7 W5 g7 z5 i; B) \( N9 y switch(eventid){ # X) n& Q* z$ V {1 jcase FD_CLOSE:7 Q# Z0 X0 R$ n7 N TRACE("s fdclosed\r\n");# ]2 X$ F8 J# V8 v5 Z/ c# Y; q# I closesocket(destsock); % \, l# N2 a" D$ d* Vreturn 1; 0 v6 z h3 \6 a# S% I% Y Pbreak;6 M" X/ e' W: W8 U default:break;9 T5 _( L9 Y2 @* R% L% ] } 7 V& t6 u' ?4 y+ qeventid=GetSocketEventId(destsock); $ j9 }# b- z% l" j6 X& O0 W; o- Uswitch(eventid){ * m' o! W% r+ o ^case FD_CLOSE: 9 s$ _" t: X ?, ~: y! eclosesocket(sourcesock);: b- E" M# V) M/ ?% S9 Q2 X+ t3 ` TRACE("d fdclosed\r\n");) J) f8 N5 U! m! q7 o, G return 1;6 B2 @( t( S: U9 z r2 \" u break; ' |* i# G& {2 c6 Xdefault:break;2 f! ~5 @- w' g8 } } . w; r$ x' f% i6 _datalen=recv(sourcesock,data,sizeof(data),0); 6 ]; J' I. f* c9 \( bif(datalen==0){/ S' N& N2 I O2 V: k closesocket(sourcesock); ' Z7 m8 M* w A9 T! o& \3 tclosesocket(destsock);9 u9 l/ U V% d4 g1 P TRACE("s fdclosed\r\n"); . N8 P8 s2 h- Wbreak; ' y! R! X: C2 C7 r} ) K* [7 n) D/ ]if(datalen>0){2 ?3 A, _+ C$ X) {# C while(!send(destsock,data,datalen,0));6 \, w6 r0 s1 g- f } . b( x4 W. d5 p$ Q7 r& `Sleep(1); 2 x, l; T, u# I}. h# _9 t! O* C2 I9 m return 1;4 S. @! {5 a; o) e% O/ L }' I0 k) R% m: ~. @# i& {& u) R // 8 k( c, O- [$ I1 |* {% dUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程& Y! E$ B% R V; t4 S. ] LPSOCKINFO psockinfo;1 t( e5 `# e. E$ i- I SOCKET sourcesock,destsock;- j& {6 ?5 {* O8 l char data[MAXDATALEN];6 _5 R w, o2 V& ^. H7 u/ O% R' e long eventid; + _! x) g/ H8 J4 Z' B5 jint datalen;; W9 M3 y( J7 ?% r5 m1 v" S psockinfo=(LPSOCKINFO)info; $ q4 N& l8 R, w m) Fsourcesock=psockinfo->sourcesock; C9 ~, W: G6 M! {! n destsock=psockinfo->destsock;; k2 P+ Y) r, P- l1 s3 C TRACE("deail send thread ok!\r\n");0 }3 X! a8 A- D while(true){& o3 a+ q9 x9 c eventid=GetSocketEventId(sourcesock);1 i& N& p) E4 e3 x+ k switch(eventid){ 9 o1 I* F J% kcase FD_CLOSE: . R" D; z; A) S* {/ XTRACE("s fdclosed\r\n");5 O6 z( V; `+ i, ]0 S0 W closesocket(destsock);+ d9 b0 y% j- L2 F return 1; 9 }/ S$ R& _+ l1 K/ f% abreak;( u& `4 f* ?& u default:break; 8 M6 z. i5 W4 S9 _6 n}% u( N R2 D0 t. X0 \4 Q eventid=GetSocketEventId(destsock); 9 B, v" w$ m" ~; _9 Wswitch(eventid){ " y/ i; t, y {2 kcase FD_CLOSE: ; e6 ?7 A& k- r9 uclosesocket(sourcesock);) M/ m, u) B8 f. P$ M, F$ H1 j TRACE("d fdclosed\r\n"); ! I8 x$ R. q6 ureturn 1;: ~+ ]) \: s# q% l' U- C break;1 ^: {2 o7 E! ?7 A9 ~# E default:break;: ?- n! y J5 A: d4 `5 n* I }& l7 Y5 Y3 h/ v. r, j* g& E datalen=recv(destsock,data,sizeof(data),0);& D( J9 f/ F0 C( d8 v! J+ Y if(datalen==0){ & h" [7 F- H" K3 ^1 M5 H0 zclosesocket(sourcesock);2 t7 A* d# Y# H7 X closesocket(destsock); 5 o% w3 {9 }, R& D* ]1 X2 UTRACE("d fdclosed\r\n"); ( a- x/ S; p8 F! r, \! ]5 Wbreak;1 j, f, n% Y) c2 U8 e( O! S+ _0 J& N } 8 {1 r2 q8 k' c: M: K+ T2 Hif(datalen>0){, D. w& |5 m7 A1 H& B while(!send(sourcesock,data,datalen,0)); 7 j" @- C" U1 ?- r, e} # D2 K1 s2 x8 A7 q4 t8 fSleep(1);( T# d! T ` e& Y } : k! U# c2 Q& F* Xreturn 1; 0 ~: \9 H6 }1 X# F- I; P0 f; j' s}6 v8 |8 o1 c/ D" ~ // , z1 t/ J% N* y9 o, a// 1 N, q8 _3 S# x n6 fUINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程7 N. {. ]0 x+ n* a% m. c LPCLIENTINFO pclientinfo;( H" H; b4 L9 u7 X6 s, H SOCKET connectsock,clientsock;- ^' v% l7 L9 k$ A5 C! w. I9 P sockaddr_in remotesock_addr; , M: d- ~( B! c" Cchar data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];9 _/ F. b2 E6 ] int datalen,i,index_start,index_end,port; , [% h1 w7 J+ r. D; m) rCString HttpString,UrlString,PortString; 5 @! F d4 I* q5 m/ w- opclientinfo=(LPCLIENTINFO)info; : e& x! N, W( O3 H/ a. U2 Iclientsock=pclientinfo->clientsock;! n/ @+ V$ ^- T1 u6 r: v ZeroMemory((void *)data,sizeof(data));8 L9 j) v5 @5 g8 Y: S' d datalen=recv(clientsock,data,sizeof(data),0); 4 h( O9 e, y5 X$ R) r' {+ pif(datalen<=0){ - H9 m# Q I* F1 h! B/ dclosesocket(clientsock);( p7 l u: t% I, ` return 0; 9 O2 o# V5 q; D) n" D' X

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韩冰        

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发帖功臣 元老勋章

} % G( Q. b8 @8 j/ k) THttpString.Format("%s",data);$ O) a* f- }! C8 Q1 Q UrlString=HttpString;- E+ y7 g' g# ^ TRACE("get http string:\r\n"); / U7 I5 R, R( ~' g9 eTRACE(HttpString);; a5 D/ w; B: C" n' [8 |, q: I index_start=HttpString.Find("Host: ",0); //寻找url标记, W7 {# r+ x$ E+ x! R4 I+ k/ q9 H if(index_start<=0){ 1 J! O. D6 d8 l; gclosesocket(clientsock);( h6 R) @7 ]4 ~& V( i' a return 0; ) M; H$ i' D: v9 `% c}7 f. v) Q8 T' T/ O' t4 H index_end=HttpString.Find("\r\n",index_start);) D5 B4 U5 M) n+ P if(index_end<=0){ v0 G% N. R; j% |4 A$ v0 { closesocket(clientsock);- o% R- `/ l. ~4 v7 j return 0; 6 q/ B" ~/ E' `! J) }} ! s/ F x, Q3 v. fUrlString=HttpString.Mid(index_start+6,index_end-index_start-6); //读取 url字符串8 p- _! K, }7 f2 k4 N( m3 h TRACE("\r\n get url:"); - v. @1 c z' |TRACE(UrlString);+ _$ O% [+ z2 s W' B8 ?# n% v$ r4 n wsprintf(url,"%s",UrlString); 0 J+ V, u0 j+ l& C! fstrcpy(temp,url); |) v' f$ G# u# } }strcat(temp,":"); 5 l$ f& J' E, ~$ J! N7 o1 Sdatalen=strlen(temp); ' P- P5 x3 u6 ]! K. hif(HttpString.Find("GET",0)==0){ //判断get命令,并处理 - p2 T: C D" ~# l- j: b2 ?! oindex_start=HttpString.Find(temp,0);8 Y+ C3 M* O5 f$ ^' i" v strcpy(httpurl,"http://"); 3 M7 v( r0 i, y% L3 f, g" D6 g, }if(index_start>0){+ k2 `( v* k+ K; m4 ]* O, v index_end=HttpString.Find("/",index_start); % l, }( {. v4 a9 Zif(index_end<=0){ + ~4 ^9 P* t* l' _( a& Hclosesocket(clientsock); 4 S2 h" t! s/ p$ O: rreturn 0;7 G1 _0 o* f; U* b" I, a } 9 H% \5 K9 E- c* D( b8 B3 t' VPortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen);: b% ]7 n" Z! s/ F0 l2 q port=atoi(PortString); & L7 v7 h) r+ V) `7 v2 o+ wstrcat(httpurl,temp); 9 B& v/ Z( d4 j) Fitoa(port,portnum,sizeof(portnum)); 6 q% Z, g% }# e6 Y6 v: R% |strcat(httpurl,portnum); 7 Q! ]8 i! b: R0 c6 astrcat(httpurl,"/");! _2 E3 `" X$ [7 A6 x: q } " e0 x. L5 [# j2 h6 [0 t% R# Selse{ 4 P6 @) v' E$ @( }& H" bport=80; 7 \0 d J& T* e ustrcat(httpurl,url);7 K) m7 i" Q3 S/ y- J strcat(httpurl,"/"); ( `3 [9 t+ B: g6 E} 0 n" D% a) h0 R) h$ @TRACE("get http url:%s\r\n",httpurl);0 p W2 k9 F1 Y1 T; \, H; K4 V HttpString.Replace(httpurl,"/"); $ \) N7 L/ J/ K' n8 ~9 z7 R% h7 M( B; EHttpString.Replace("Proxy-","");/ s" B4 N# g% x! C( B4 w HttpString.Replace("HTTP/1.0","HTTP/1.1"); # ^4 f4 X. L* ^1 t* q) g} & a5 A- T$ X( ?else if(HttpString.Find("CONNECT",0)==0){ //判断connect命令并处理 3 \; E& q7 `8 Mindex_start=HttpString.Find(temp,0); & R! z3 i9 ^8 c+ {1 V9 q' Cif(index_start>0){6 C. G& Y% M0 a. c4 R5 h index_end=HttpString.Find(" ",index_start); ' l* b v4 [# i+ gif(index_end<=0){3 G: H9 @0 h/ \& J5 g closesocket(clientsock); 8 C8 }' S, L Dreturn 0; 7 X" [7 y( b/ o; N} 4 [( V5 b$ t% G) b, _) h5 gPortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen);+ T t, h- z' \. E port=atoi(PortString);7 T: s( f- @8 K! m }6 J4 V$ Q4 L# V. H else{ 3 T/ H3 H6 a1 Aclosesocket(clientsock); / F, {" q! H8 Yreturn 0;7 w) v$ l0 ]: ^8 P }1 J4 a) P7 b% z } . M1 |$ N4 o9 F' h1 m9 jTRACE("get new http string:\r\n");! Y) G8 ]: ^7 g7 p TRACE(HttpString);" D: z& z; e6 f! M% h remotesock_addr.sin_family=AF_INET; 4 G" Z5 w% t' \$ {" m- Y9 wremotesock_addr.sin_port=htons(port); g0 d& [2 B4 o& i7 [9 u7 Y- ^ remotesock_addr.sin_addr.S_un.S_addr=GetDomainIp(url); ) j, e* l9 e% R. M6 F7 z7 Lconnectsock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ) P1 B7 {; f6 pif(connect(connectsock,(const sockaddr *)&remotesock_addr,sizeof(remotesock_addr))==INVALID_SOCKET){ //连接远程主机 % P9 n) ~6 c3 z8 {closesocket(clientsock);& y5 b4 P) I8 Y return 0; ' p# p2 ` ~: c) ~( B% L# k& ~} / M# S, W6 g. Q8 CTRACE("\r\nconnect to remote ip ok\r\n"); & X, ~! a9 c- A6 F; UZeroMemory((void *)data,sizeof(data)); " Y( g p% x! n* H* vwsprintf(data,"%s",HttpString);- c$ _ v; a: i2 g) w! M datalen=strlen(data);- g1 `; W2 _: n7 {7 F if(HttpString.Find("CONNECT",0)<0) while(!send(connectsock,data,datalen,0));3 F. K2 V. u2 Z; Z% _1 x else{, S9 D; }/ f/ z strcpy(data,"HTTP/1.0 200 Connection established\r\nProxy-agent: CHTTPPROXY V1.0 powered by shadow\r\n\r\n"); J0 C# I" j& x2 X8 [/ c6 j# Ndatalen=strlen(data);! w% I: ]7 h$ m& Y/ b" j, Y5 |' h while(!send(clientsock,data,datalen,0)); P& f- H) U5 y! j0 O9 l9 x" q}1 |. M5 }- m( F9 c7 { httpsockinfo.sourcesock=clientsock; ( A; @0 z) |3 y7 r5 c" ]httpsockinfo.destsock=connectsock; $ d( W \$ }9 F* c) UAfxBeginThread(HttpReciveThread,(LPVOID)&httpsockinfo); //抛出处理线程 2 P2 G. {* t3 }% s) xAfxBeginThread(HttpSendThread,(LPVOID)&httpsockinfo); //& H* [$ b8 J8 k Sleep(100); 7 H" J* _1 w2 P3 N- R9 S( Q0 ireturn 1; 1 Q* `7 [0 q& l1 F} 6 u# V) l4 m1 v) f. i3 J1 O2 ~//3 i0 w& s+ L" Q2 q UINT StartHttpProxy(LPVOID info){ //端口监听线程( Q' t( u' _4 j" o# s6 K$ L; X: E- ~ SOCKET NewSock; 2 B# W6 K1 p# { S- S3 O% H6 Eint socklen;5 x* c& ]( F" g# w8 x sockaddr_in serversock,remotesock_addr; 6 D+ h& T+ e3 f z: `% hserversock.sin_family=AF_INET; * B+ y6 o- _2 v0 q3 ?8 L. Dserversock.sin_addr.S_un.S_addr=INADDR_ANY;2 z% z/ [6 A* s9 D- { serversock.sin_port=htons(HttpListenPort);$ G7 z: @- g; \2 F HttpListenSock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ) X. t: y( q+ h7 `" n u4 R: R v4 Pif(HttpListenSock==INVALID_SOCKET) return 0; & |0 m/ M; z; p, o4 Wif(bind(HttpListenSock,(const sockaddr *)&serversock,sizeof(serversock))==SOCKET_ERROR) return 0;5 J4 o% f6 e4 y; W5 f! D( O) L listen(HttpListenSock,BACKUP); 7 J2 {- I" |/ q7 ~ _ bsocklen=sizeof(remotesock_addr); . [. i5 q) e0 M) c$ c& H# @TRACE("start http proxy thread while\r\n"); X( [2 v3 `* h3 cwhile(true){. F3 ?( R! m1 M' p6 h. _$ q NewSock=accept(HttpListenSock,(sockaddr *)&remotesock_addr,&socklen); 5 F% f5 X' j$ y5 u" eTRACE("waitting ok...\r\n");4 x$ F% M% c0 d* U; Y8 f if(NewSock==INVALID_SOCKET){( C8 N6 g* [' `6 ]4 n Sleep(1);8 d1 ?* @. a2 x7 y6 _9 m9 {6 G4 c continue;# o% J1 H3 |/ s$ d7 l8 C2 [+ v }5 C/ e( e% u9 W7 L+ e2 \ ZeroMemory((void *)&HttpClientInfo,sizeof(CLIENTINFO));$ C; M* w$ C% }* r! d, Y& L HttpClientInfo.clientsock=NewSock; 2 m/ }% s5 t- n- c+ F% I7 ~HttpClientInfo.clientsock_addr=remotesock_addr; 6 ^' d$ q% A/ a% `& |TRACE("start proxy thread\r\n");2 z3 o% d6 r/ C. g4 u8 g. w: ` AfxBeginThread(HttpProxyServerThread,(LPVOID)&HttpClientInfo); * w$ v3 {* O0 o% r6 L) M9 ?# R" YSleep(100);5 w+ i" d! g! R- U } 9 Z) {/ ]$ F2 i8 `% ]+ Sreturn 1;1 m: C( W4 Q8 G# `6 X } + O3 X8 n7 h/ P# D// - E5 c# v- [2 D; [( D/ {0 GCHTTPPROXY::CHTTPPROXY() U8 v) g i. w1 q( Z+ f{1 w- b5 o& w' S/ ` ^, P) {6 U5 N WSADATA WsaData;! W \9 y6 A* ]% {; M ? WORD wsaVer; 3 E: `, _- Y: k5 n* I! I* X% [1 wwsaVer=MAKEWORD(2,0); 0 a2 R2 R& T- W' @! J1 s: n% b4 eWsaStartupOk=false;+ J g% r1 N) z4 x if(WSAStartup(wsaVer,&WsaData)!=SOCKET_ERROR) WsaStartupOk=true;% X5 R4 }$ S( B- j) F }

CHTTPPROXY::~CHTTPPROXY()1 P5 Y. s- B- a3 G/ B" s { 5 ~* U# c6 d1 j% l. ~3 Lif(WsaStartupOk){ 0 a: E x7 u5 O3 `WSACleanup(); ( e& w. W7 z* p9 o' Q1 @2 R+ H} 0 L7 s9 q9 z' t5 r# I}

int CHTTPPROXY::StartProxy(int listenport)) ?/ I+ E* V) m/ Y5 X; { { ) ~7 v4 ^, }% W; WHttpListenPort=listenport;2 E, K8 W- j/ q( F: [& D- w AfxBeginThread(StartHttpProxy,(LPVOID)NULL); D r3 f- b& C3 @, Ureturn 1;& d! p% C2 \! ~9 V4 Q! z; l0 v' H6 s }

, _% V7 s6 M g8 [; R1 U h/*=========================================================================" l: g5 e. g: F) e8 z Y% f FILE:HTTPPROXY.h$ y: o" \, ~8 F, i- t1 N ==========================================================================*/ 0 r7 S+ _% ~7 ]5 v" j" ~) q/ Oclass CHTTPPROXY 9 X- w9 F. X/ j B {$ M0 h* k6 \8 G/ x2 `# f; O public: ' |( ]6 ]- G. a6 `6 B$ qint StartProxy(int listenport); - c& B, @# S8 M6 r2 F: k; Z8 j& abool WsaStartupOk;9 y9 v- l4 `* u& O- {9 p, f5 ^ CHTTPPROXY(); ' @/ Z: f6 Q) Y- x& _9 kvirtual ~CHTTPPROXY();

};

/*========================================================================= , u7 j" Z6 X" W' pFILE:stdafx.h " r4 j7 Z' ?3 ~1 R==========================================================================*/6 [% o! D! |3 |* d1 e: G #include $ C9 \. K( W6 E- b #include 1 h9 ^( z/ I$ Y& H9 b9 ] #include 5 Z0 ?$ ]$ y9 E9 @ #include

, a" c" F3 U1 `* }+ M1 u 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:8 t0 c8 W" @1 W2 S+ O1 T: }# ^ #paragma comment(lib,"wsock32.lib") # q- r9 W' l+ n, k#paragma comment(lib,"ws2_32.lib")

本代码在win2k和vc6.0下编译成功~~ # R `$ t( N3 p0 Q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: * p) j1 B% h$ y iCHTTPPROXY httpproxy;1 [7 e& A, R/ Y httpproxy.StartProxy(7890);/ P2 k2 c6 F/ k8 t 有问题mailto me! / j4 O# t; A- ~" w9 Q5 R/ E

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