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标题: 打造自己的HTTP代理服务器 [打印本页]
作者: 韩冰 时间: 2004-11-21 00:17
标题: 打造自己的HTTP代理服务器
/*=========================================================================
2 X* K" V7 m0 @2 {3 y0 RFILE:HTTPPROXY.cpp
# H* R& m/ ?$ _' V* {8 S) s+ {HTTP Proxy v1.0
_6 a/ E( S6 h& hpowered by shadow 2004/11/148 Z! C3 ~ Q0 s9 w
my web:http://www.codehome.6600.org
2 ~$ |* b. m+ O JQQ:176017352! Z' T" U. z, v2 @
请先阅读有关http代理协议的相关资料,转载请著明出处5 ]9 L: M& ^) y
==========================================================================*/
/ l: x( \: B1 V' X#include "stdafx.h": N9 W1 R1 V5 ~# d- r, U4 w3 h
#include "HTTPPROXY.h"
( A; _- h. L; q4 O# z# m#define FD_NOEVENT 0; Q W8 v1 v4 `1 [1 c8 w+ h, ]
//- c3 R5 }7 G/ T5 R- \! e) g
#define BACKUP 100, R( U6 ^% e' Z2 U4 c
#define MAXDATALEN 65535
. j" V3 O/ q2 {; t: t# W8 D' Qint HttpListenPort;9 O) F9 p6 s; o) _
SOCKET HttpListenSock;: h+ e1 C# f9 ]7 C3 c* R
//
$ Q# P3 G1 C* X7 X1 ^typedef struct _CLIENTINFO{
1 {, Q! r) @! w3 E' w: b: P {/ SSOCKET clientsock;6 e$ _" b$ I( z& k3 s
SOCKET udpsock;
" M3 F2 z, B: Q$ k& b$ _sockaddr_in clientsock_addr;
: V5 r- R8 F6 o- w}CLIENTINFO,*LPCLIENTINFO;
" B- c# K+ n; _6 C: t( J% v7 y5 d2 DCLIENTINFO HttpClientInfo;) R! o! @1 n$ q
//
4 D- z2 Q* T. z9 e qtypedef struct _SOCKINFO{, W; h9 a0 d; L1 Y, }* A5 J
SOCKET sourcesock;
, \' J: K- f7 X: \* [5 \6 F( |; ^0 HSOCKET destsock;" d8 T) A# _* I: W3 L3 b# ~; Q7 F
}SOCKINFO,*LPSOCKINFO;
! @9 q0 j* D' Z+ CSOCKINFO httpsockinfo;& W: S* {, ]- \6 q3 {/ V( D
//
" U1 o5 ~6 q/ c6 H- Nextern long GetSocketEventId(SOCKET remotesock);: D2 E% M3 K$ K4 O% |; w
extern unsigned long GetLocalIp();7 L8 K7 G' m' p& w
extern unsigned long GetDomainIp(char domainname[250]);; Y9 F- J+ ?* U* m* C. G z1 R
/*
: Q8 Z) G; |" p% ~; o" Blong GetSocketEventId(SOCKET remotesock){
3 n/ s/ G4 N5 x2 |7 Z4 [0 a ^/ ulong EventId;
4 j. ~" p) k5 Y! N9 K" NHANDLE hevent;
) E7 S# O' J `' y- P& z9 Khevent=CreateEvent(NULL,0,0,0);
* r6 e/ v; c) L" E2 e; y9 gWSANETWORKEVENTS socket_events;& } b: |2 S) X
EventId=FD_NOEVENT;
/ T; @& y; N" h# ?+ dif(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;! V7 A7 V- D2 e. ~6 l6 `! H) U
WSAEnumNetworkEvents(remotesock,hevent,&socket_events);
9 l S4 b" k+ @4 Q- Lif(socket_events.lNetworkEvents!=0){0 m; ?1 L- v4 l7 p: X5 h" C$ q
switch(socket_events.lNetworkEvents){
f4 O$ _8 J3 v/ V2 x$ Pcase FD_ACCEPT:EventId=FD_ACCEPT;break;
8 r* w! j6 U- W7 _7 h. rcase FD_CONNECT:EventId=FD_CONNECT;break;) F5 j1 j! K) u
case FD_READ:EventId=FD_READ;break;0 O% Y) Y6 a, K
case FD_WRITE:EventId=FD_WRITE;break;( U% g1 w* W6 Z
case FD_CLOSE:EventId=FD_CLOSE;break;( i; G: I9 _' M7 E& B
case FD_OOB:EventId=FD_OOB;break;7 G% f* {- U: w7 j# _7 v
default:EventId=FD_NOEVENT;break;- n: u: I! K3 p' r
}7 u; P6 \" S3 l9 Y. Y3 h) a
}) ]) E3 ?8 K' N" X1 h/ s1 ~ i
else EventId=FD_NOEVENT; q6 s. c2 P" ~8 Y) u5 v) |
return EventId;7 r+ C; j1 D# K; ]5 q
}
' S. ]) l) N: v7 G: j//- a# W1 ?9 e" ^3 H6 C) r. x
unsigned long GetLocalIp()" v1 }' q4 C8 K4 l0 u2 `
{
! c' Z- I1 s! E1 d# G+ x: Hchar IP[MAX_PATH],*ip;" c6 A8 Z7 J" c8 l; b, F* {
char pc_name[80];- ^8 E- ~/ F- ?5 H. E X
struct in_addr in;0 Q+ Q9 C1 q% |" `7 t( X) m( U
struct hostent *host;
R% i# f! G) Y* PWORD wVersionRequested;8 \% I- A8 ]$ S9 D" X
WSADATA wsaData;. q% U6 F6 v) B* \; U7 i
wVersionRequested=MAKEWORD(2,0);
3 N I* [+ w7 c& X+ n9 C5 nip=IP;
/ {9 x) z4 }2 c O. U+ e; G/ bstrcpy(ip,"Ip not get!");
1 E+ k2 [( {+ R" F4 V8 c, i _if(WSAStartup(wVersionRequested,&wsaData)) return 0;
& p4 a- m% a. z+ X$ Z U' Uif(gethostname(pc_name,80)==SOCKET_ERROR){
1 X6 n/ ]! K1 V7 E7 r0 c2 e) v5 EWSACleanup();
: D* r/ [; X8 o6 m( e3 o8 v- |return 0;
' h8 s. L, d3 ~' C! A* d, O}
" v6 E2 H8 W& Q5 h8 i) Q. u/ zif(!(host=gethostbyname(pc_name))){
' \* @1 Q+ r5 ]5 H5 IWSACleanup();
, c* ?) g4 e7 _5 S1 v ]& oreturn 0;/ R6 i( e8 x( L. o8 \7 a9 F
}
" N7 U' u8 V j# J* \; kin.s_addr=*((unsigned long *)host->h_addr_list[0]);
% d# f, o2 B( L7 i3 |strcpy(ip,inet_ntoa(in));
9 m" o. o6 G6 l# i0 T3 wWSACleanup();
5 U. w( w* [" W' ?4 areturn in.s_addr;
- c5 m7 t$ I$ O# S' w+ z/ ?}
$ A" Q; V" d; h2 n# n* t5 V//% | W* a- z6 P D. |* F) a7 Q
unsigned long GetDomainIp(char domainname[250]), R& V) c6 l7 x/ z- O
{1 l. h4 H+ v$ I n5 q1 N
char IP[MAX_PATH],*ip;$ {. F) z! V+ I4 a
struct in_addr in;
7 Y8 p2 v `6 R/ D9 e7 p8 i: Y( Sstruct hostent *host;
; z4 q% q* q' d# fWORD wVersionRequested;
! a1 E9 j3 O" @) `/ C* DWSADATA wsaData;1 i' W6 \& `7 Z. q1 o* U: E
wVersionRequested=MAKEWORD(2,0);
5 ]+ ^ u# Z7 z3 P7 sip=IP;
- l' H$ ^- N3 s" ~! ]/ o/ S9 ?strcpy(ip,"Ip not get!");
8 G+ ^: Q1 I, E" ?% lif(WSAStartup(wVersionRequested,&wsaData)) return 0;) s" }& d6 s7 G4 w& g
if(!(host=gethostbyname(domainname))){
- j: v5 i% o9 ^% R2 c2 w- QWSACleanup();
7 c+ J) l* }( V, H o6 kreturn 0;7 Q( _0 {' @; O+ X* M
}
9 Y# B; r5 A. ?in.s_addr=*((unsigned long *)host->h_addr_list[0]);% M- I/ p! h+ A" M S, N: P
strcpy(ip,inet_ntoa(in));
- W ]8 }) T9 n4 c2 nWSACleanup();; Z& g m0 Z( \4 w# X
return in.s_addr;# ?$ u$ J$ a4 a3 V( R0 X, R
}; a- M6 _( c% t7 {
*/) x( ~. q& b$ A2 N: Z9 l$ n, H, M* s
//
- Q* k# F. l9 I' u, d' o//( w# V' D, L4 w: m3 g3 F+ U$ d0 Z
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程4 l K4 d, m8 z+ L/ w. Y
LPSOCKINFO psockinfo; 9 R( v$ K1 Z5 p; p6 L
SOCKET sourcesock,destsock;, m& K2 L5 F/ }6 b
char data[MAXDATALEN];9 G* R: S$ Z h4 {7 Z: ~: L
long eventid;
8 R P0 [0 J" x7 _int datalen;
2 D: q, M& d! ppsockinfo=(LPSOCKINFO)info;
4 O5 J. a' K: d' z5 G# Isourcesock=psockinfo->sourcesock;
U4 O% ]. e, J/ a3 H! Q8 zdestsock=psockinfo->destsock;
+ w3 O( \; Z6 T% x$ w- RTRACE("deail recive thread ok!\r\n");2 }. W1 Q) m- a& w# J* q
while(true){' F: J4 b2 G% l& Y% |" u U$ R
eventid=GetSocketEventId(sourcesock);1 z7 S: u5 ], R V
switch(eventid){0 m( \6 P" j/ H1 N
case FD_CLOSE:
' I( J' u# j8 }0 U- v/ `" h kTRACE("s fdclosed\r\n");
2 Z0 `' {* M0 t' h. f6 B+ z) u# j/ Rclosesocket(destsock);) Z, C. b! d9 e/ v: G+ R: R
return 1;4 H. k% O) ?7 W8 H3 x
break;3 h2 e2 j0 K' \( o+ [' A7 Z e
default:break;5 M5 m; i8 S& ]. f
}- }* H9 ] |' A- y6 O1 {; C8 k
eventid=GetSocketEventId(destsock);
( X( m5 d3 z% w' s( w) C4 jswitch(eventid){
* W* L" K( y( U: Y: |( Z" R0 n2 icase FD_CLOSE:
" m. f8 G2 c3 [) d) Yclosesocket(sourcesock);
8 B8 Q! H/ l. O. i" @1 v8 o1 TTRACE("d fdclosed\r\n");5 c' r( ^; U% F5 z" U8 q7 Y
return 1;
- ]/ g! m" \6 ^5 D6 B2 G0 O' K2 ybreak;, {7 L( Y* J) T. F
default:break;
' W4 \2 c3 @4 I* p* y( A) ~' x}# ~" i$ a w- q- H1 e0 f* I
datalen=recv(sourcesock,data,sizeof(data),0);/ w5 q5 K- P8 o$ P6 S6 o
if(datalen==0){1 Z! W9 b) A, {; R
closesocket(sourcesock);
: d5 s( B6 N" c: X/ |/ u' H$ ~. jclosesocket(destsock);& K; J+ Y- T1 R7 i1 y+ m$ v" q4 f
TRACE("s fdclosed\r\n");: y; M, Z( n% ^. y' }3 P- J
break;
; p& d, u& V& [( f8 Q}. E6 ?$ J/ @8 G: i* g
if(datalen>0){
% @3 V# Y; X( zwhile(!send(destsock,data,datalen,0));
2 M; w6 W5 E. V: m G) u/ n}
+ `# B' R- F9 V3 }; b7 VSleep(1);
+ d) k' ?/ f1 M5 h# B# i}
+ p* |7 |4 m3 h% nreturn 1;+ t! ]( y2 k/ O+ O- E' b- M
}
1 B- ~" X/ X# g( ~# Y0 r- T//7 F) y% y, y1 R/ j' b- s
UINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程6 q% S/ q, X: Z: J. Q! I
LPSOCKINFO psockinfo;
0 R4 l. F& @* m" ~3 y: ^SOCKET sourcesock,destsock;+ I! X+ {1 j/ n: `. W2 D9 O
char data[MAXDATALEN];( e; \) S, Q! ~' Z5 M/ @
long eventid;
) N& l2 \" i3 b Bint datalen;9 O. B, D) {8 J
psockinfo=(LPSOCKINFO)info; t: L! O8 C3 s ?% a
sourcesock=psockinfo->sourcesock;
- ~ S1 {& k- I5 Fdestsock=psockinfo->destsock; T" H0 G5 |% T: C6 k9 S
TRACE("deail send thread ok!\r\n");9 g6 f0 k1 f0 }. U
while(true){
0 ]7 [& o) v& |# O8 S, f* leventid=GetSocketEventId(sourcesock);
/ l+ o. `5 Q% `* ~1 ]" ~9 Yswitch(eventid){
. i( D' M+ W4 O4 l7 fcase FD_CLOSE:
; j; _' h/ P3 s/ k% D' H5 wTRACE("s fdclosed\r\n");6 K, X; l4 j8 k* }& T' R) ?: ~9 s
closesocket(destsock);
/ X6 w2 i# t! Yreturn 1;
5 p: [7 U6 H. Abreak;
9 [2 x2 S7 x& ]5 g. c$ mdefault:break;
$ n- V7 D. O% b% q1 ?}
! C* n6 |. M6 s' N: X9 Feventid=GetSocketEventId(destsock);0 e! g4 z/ X' n
switch(eventid){
: \" {: c3 g2 G4 H: X+ ~ Ncase FD_CLOSE:/ y# M+ w4 x+ ?+ H
closesocket(sourcesock);( B3 P- a" @: M; |0 A* _
TRACE("d fdclosed\r\n");& x: L F3 K" {4 r
return 1;
9 V7 s% a; ~$ h) A4 Tbreak;
, i0 S0 C& Y+ ^5 [; v# C. hdefault:break;
4 R, l9 j3 D( X; I/ k& v+ W- o' Y+ `}, j* @4 n% q4 K* Z) K
datalen=recv(destsock,data,sizeof(data),0);
1 M+ D% J2 z: d, u$ v$ Y& oif(datalen==0){
1 V: V* k5 S+ J3 C6 o. o( ~3 uclosesocket(sourcesock);
0 Y/ D. e z7 Q4 ] Pclosesocket(destsock);9 q/ Y; K8 D% t' t6 `4 |
TRACE("d fdclosed\r\n");# |* o. N( n4 @+ A5 `/ d& v
break;: d7 d* W7 L( Q/ ]: S/ O
}% [) N. T+ b) I9 r) s& @
if(datalen>0){7 p6 F5 D) x1 _
while(!send(sourcesock,data,datalen,0));
d+ F: b1 D) {% c% n}
8 L8 e; k( p: _ G, vSleep(1);+ L0 K, ]+ N) N+ V4 ?4 j6 }
}/ s5 j1 ]) B( M1 I p4 k) G
return 1;
5 c) O/ }; v! K' S, x6 J1 P5 w}" o1 x y* c* z6 Z
//
9 w" O: ?) r9 N8 v& V9 c//
# ^, l7 U5 Y0 _4 a( C+ Y* h; z- U9 i- nUINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程: [( S) U2 c3 [1 n! S" m# e
LPCLIENTINFO pclientinfo;
/ X/ l; h0 G8 X& o/ DSOCKET connectsock,clientsock;
9 {' X# p4 {" M9 Y2 gsockaddr_in remotesock_addr;" v& B: d' g8 e* H1 ]9 E4 z* X4 G
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];0 G2 Y' h0 o' d# k a! d- G
int datalen,i,index_start,index_end,port;
( L$ I7 a1 S( U) J) W& x% |! o' rCString HttpString,UrlString,PortString;; S+ @* F2 c3 l' ]- q
pclientinfo=(LPCLIENTINFO)info;, v% h* V# |9 N
clientsock=pclientinfo->clientsock;
7 j0 F& b2 V6 N# y+ UZeroMemory((void *)data,sizeof(data));$ w( W+ t( X @% G- t+ y
datalen=recv(clientsock,data,sizeof(data),0); Z/ L' D- W" \+ p0 m# c4 f% H
if(datalen<=0){
2 w5 v) L2 i9 Pclosesocket(clientsock);
* h2 ~' g* }5 z0 Z) preturn 0;
! g( y) a5 ^" h( l6 M
作者: 韩冰 时间: 2004-11-21 00:19
}- O* q& T! @' l" R5 z$ a5 e
HttpString.Format("%s",data);
/ X% V' R3 C w. Z4 rUrlString=HttpString; ^! F" D' F# y) @3 N
TRACE("get http string:\r\n");" v: t! ^6 {8 ] _& y' f
TRACE(HttpString);9 R7 H6 a$ v2 y% P5 ^0 K
index_start=HttpString.Find("Host: ",0); //寻找url标记/ N, i3 b) G4 b7 W) V
if(index_start<=0){ d# e G7 U: Q1 l3 j7 e
closesocket(clientsock);& y" @2 w3 ?3 W; I2 a' |
return 0;( |4 X) V: I4 ]: _
}
, t( g- k3 @3 q1 C* Iindex_end=HttpString.Find("\r\n",index_start);! a2 p7 E! c5 {- h
if(index_end<=0){
1 R6 K. ]; o) m3 [5 x- O) U' t' Vclosesocket(clientsock);
1 e4 P9 v2 _8 m ?return 0;( |1 ^/ }% D8 s
}1 W! J: Z7 |8 u; \
UrlString=HttpString.Mid(index_start+6,index_end-index_start-6); //读取 url字符串
1 U% O# W4 V& i7 y/ v6 ^' z4 `! ]TRACE("\r\n get url:");- F5 C. @- @: k! E9 t5 s! u
TRACE(UrlString);$ _4 {9 A( `- _, e( L% M4 I
wsprintf(url,"%s",UrlString);
J/ H- K9 c+ R$ ` H" F# R- M& Bstrcpy(temp,url);
0 L& }6 I1 J6 K; z3 `( Lstrcat(temp,":");
5 U' b# F, S8 p7 f* vdatalen=strlen(temp);1 G: C* T/ X) k
if(HttpString.Find("GET",0)==0){ //判断get命令，并处理
; i& x3 _/ Q( c7 J8 Q( Aindex_start=HttpString.Find(temp,0);0 G m) v$ q- ^
strcpy(httpurl,"http://");
p/ T8 W q' {- Pif(index_start>0){% _" @& C* b8 |% c0 C6 v, ~
index_end=HttpString.Find("/",index_start);
& h8 `; P4 ?! K/ U+ }$ }/ Uif(index_end<=0){
" y1 k$ v. j( A( {8 Fclosesocket(clientsock);
- b/ j: R, d [4 {3 @return 0;
% C: q) b& g+ V3 W}4 B" D2 c6 ?' X' q
PortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen);
6 n, v) z( Z0 Aport=atoi(PortString);6 y `7 O( I& l5 b
strcat(httpurl,temp);
6 \7 u4 n2 p& o: J; g* ~itoa(port,portnum,sizeof(portnum));% s# x4 Q! s5 z5 F& s
strcat(httpurl,portnum);
* M! ^1 q. F" V6 ]4 x. y& \. K8 fstrcat(httpurl,"/");% |' y& s9 [% s
}$ h7 L% N) C( u2 _
else{$ F# K& n* B$ o, X2 B
port=80;: ?3 o1 p% |; T
strcat(httpurl,url); z- p, p8 t6 o6 O# d1 n
strcat(httpurl,"/");% w& G/ c/ n; L" O9 I0 r3 j, K
}$ @: i2 ^, Z( E# S- `
TRACE("get http url:%s\r\n",httpurl);# e3 L6 m& I9 k, ?) i* k
HttpString.Replace(httpurl,"/");; ?: G0 w% Z' R4 _, b- Z
HttpString.Replace("Proxy-","");
- p, u& I9 N |; i; ~HttpString.Replace("HTTP/1.0","HTTP/1.1");
) O1 v( {% U( ~# d, p: ^/ v# B}9 M \. v y, m! n, T
else if(HttpString.Find("CONNECT",0)==0){ //判断connect命令并处理1 J. B; t" t4 s# _
index_start=HttpString.Find(temp,0);
) u' Q: @* @7 [6 Q: Qif(index_start>0){7 n: @$ M' D* V6 _
index_end=HttpString.Find(" ",index_start);
7 Y+ o: K- n' k9 Z' J% B) Rif(index_end<=0){
0 T" _7 u- C9 g, W6 r3 S/ Hclosesocket(clientsock);
) B7 q9 K' Y6 }3 o6 ~, dreturn 0;
. n8 n3 ?0 R. }# I b}
+ U7 {( K: g( S3 k7 JPortString=HttpString.Mid(index_start+datalen,index_end-index_start-datalen);
# Y- V/ o- F- d m" S* gport=atoi(PortString);- ~* ]# l' ?3 o1 J1 _# d
}
. h% X" _5 c7 v1 J5 u6 w4 telse{- G T9 V, B: G3 X. d
closesocket(clientsock);
# L$ Y% R9 k/ d, s8 freturn 0;
/ U! w" G) e( R \& q9 z}1 U- j4 S& W2 d" q6 [
}6 v5 V/ v, C% W1 m8 Q/ d/ j2 e8 e4 }
TRACE("get new http string:\r\n");
6 T3 s5 I1 Z! YTRACE(HttpString);. y: W% M, C% a: L1 Z$ _
remotesock_addr.sin_family=AF_INET;
4 l" W1 t8 _2 g3 yremotesock_addr.sin_port=htons(port);4 ]* F) ?# h. V H$ d' P
remotesock_addr.sin_addr.S_un.S_addr=GetDomainIp(url);9 L) K% Q. b" q0 ?) s
connectsock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);5 |; R5 z( `% {0 x0 Y2 h% z
if(connect(connectsock,(const sockaddr *)&remotesock_addr,sizeof(remotesock_addr))==INVALID_SOCKET){ //连接远程主机
/ {3 D+ k7 L4 o* U# f# Cclosesocket(clientsock);* v3 t- _0 l7 d, L
return 0;
0 Z) x( o' R: {$ K' S; |8 W}
6 C& J, Q* l {, D/ a7 Q6 g( }TRACE("\r\nconnect to remote ip ok\r\n");
& H. z) [$ N( w% GZeroMemory((void *)data,sizeof(data));
) c5 c, Y0 F0 }wsprintf(data,"%s",HttpString);
, w. \, M; Z" \datalen=strlen(data);5 K5 q ?4 B! l: g
if(HttpString.Find("CONNECT",0)<0) while(!send(connectsock,data,datalen,0));- I9 k3 P. E, o3 @8 [$ t- w
else{2 x$ ^* C2 v& ^3 _$ x1 S1 U5 Y
strcpy(data,"HTTP/1.0 200 Connection established\r\nProxy-agent: CHTTPPROXY V1.0 powered by shadow\r\n\r\n");
* s- |+ Y( Y) \( c5 d; bdatalen=strlen(data);2 B/ `$ M, o$ J8 \
while(!send(clientsock,data,datalen,0));2 f5 N( Y/ T# D/ p7 j
}3 k" A |8 ?% S+ J6 c
httpsockinfo.sourcesock=clientsock;
; R4 C& C" {5 g( p% ?! ?$ h7 ?httpsockinfo.destsock=connectsock;8 \) v4 ~! j+ m2 {3 `; S6 f( R
AfxBeginThread(HttpReciveThread,(LPVOID)&httpsockinfo); //抛出处理线程 7 p3 G6 M3 A+ n: q% t* y: L
AfxBeginThread(HttpSendThread,(LPVOID)&httpsockinfo); //; d' V. K4 X5 v* {" R4 D
Sleep(100);- O+ K* @2 e# r
return 1; I7 \" Z0 S4 P- |( m& ~
}
" l( ^- g7 l( [//
d$ s' S* k5 Y- qUINT StartHttpProxy(LPVOID info){ //端口监听线程0 o3 }& ^5 p7 X* c5 k6 h/ m. @
SOCKET NewSock;! W) c) F z3 X. `! P4 }
int socklen;
* v$ s p8 H# |$ ~6 U0 J; ksockaddr_in serversock,remotesock_addr;
# w+ D4 ~- s% ]6 m, Fserversock.sin_family=AF_INET;
! S1 H) f7 r( D/ E9 aserversock.sin_addr.S_un.S_addr=INADDR_ANY;
. }8 I. n/ _0 E8 ~( w( y+ mserversock.sin_port=htons(HttpListenPort);3 ~( y0 ~4 D: J" d" T
HttpListenSock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
2 Q' \0 t. @" I7 v% y4 A) Xif(HttpListenSock==INVALID_SOCKET) return 0;, ?5 g' d% M( A8 C9 ]7 r. I
if(bind(HttpListenSock,(const sockaddr *)&serversock,sizeof(serversock))==SOCKET_ERROR) return 0;
! Z( _! G3 t+ T% {- j8 Mlisten(HttpListenSock,BACKUP);5 W; F& S# ^8 m ]
socklen=sizeof(remotesock_addr); r' b. G7 ]. ~: C2 L9 P6 ^
TRACE("start http proxy thread while\r\n");) Z6 X8 u2 X4 r" H' D2 C/ a
while(true){
( B3 D+ S: d0 V( }( }NewSock=accept(HttpListenSock,(sockaddr *)&remotesock_addr,&socklen);* o0 J Z" w/ m6 B
TRACE("waitting ok...\r\n");3 _6 f. k5 t( ~3 D
if(NewSock==INVALID_SOCKET){
5 r: k/ ^6 S6 k4 vSleep(1);7 e: r% ?+ o3 Y+ f
continue;
^! {! c7 J& O' a7 \# X$ b}
+ Q& q5 q! q6 n, v$ s, Z( F* V C% nZeroMemory((void *)&HttpClientInfo,sizeof(CLIENTINFO));& Z1 J% B5 a$ B
HttpClientInfo.clientsock=NewSock;/ O3 T/ h' S+ v; b3 o! |- l# f
HttpClientInfo.clientsock_addr=remotesock_addr;
9 |1 s# {$ r, J! RTRACE("start proxy thread\r\n");
; h0 P% }" C! T7 g) @* o/ e mAfxBeginThread(HttpProxyServerThread,(LPVOID)&HttpClientInfo);& j, F# _, y7 N% ]( V
Sleep(100);2 s1 e0 B% q5 i2 ^
}7 [: P$ L6 F3 z! m1 P5 W3 F, q
return 1;* u8 S/ }9 r3 | Z+ ?* H. O+ b3 g
}
5 Q" [. S! }6 R//1 g7 S8 p7 C+ b; N5 E2 H3 v
CHTTPPROXY::CHTTPPROXY()2 ?9 a8 W2 g8 @% E- T7 |' i/ W; L
{
8 d; ?7 Y1 h7 eWSADATA WsaData;
9 ?- L2 K- O0 SWORD wsaVer;
" Z( O6 F2 L% J1 y, \wsaVer=MAKEWORD(2,0);
. i, e+ K, C0 [; W; y. jWsaStartupOk=false;# s: C/ l$ k7 l9 V2 w
if(WSAStartup(wsaVer,&WsaData)!=SOCKET_ERROR) WsaStartupOk=true;
) J/ u+ |0 A7 ]! D}CHTTPPROXY::~CHTTPPROXY()
* \1 [9 t6 J+ [5 l/ K/ Y{
@% j/ h/ P+ M+ U3 Z7 |6 zif(WsaStartupOk){. O+ g* ?9 A8 M; F3 R
WSACleanup();
! _8 S1 |, M1 s+ }}
T; w* \- ^/ \/ n6 s}
int CHTTPPROXY::StartProxy(int listenport)
/ `/ D7 V' I! m; D/ [5 b{4 b: g# q( p6 Z1 a5 P. Z
HttpListenPort=listenport;
/ o0 r- I' d$ C+ cAfxBeginThread(StartHttpProxy,(LPVOID)NULL);
1 T3 p& d; p: g' H9 f6 ~/ `return 1;& B( Q+ O, R; \
}
; w9 N5 f7 { Y0 o( M
/*=========================================================================7 ]! I' v5 I. z" _
FILE:HTTPPROXY.h* J; K: ~4 L" Y$ r" L# `
==========================================================================*/
2 |4 D! ^2 X7 | Z. B) [' H! yclass CHTTPPROXY : E9 ?0 [8 {( q' X8 b
{ e2 k4 r) ?% r$ ^$ G
public:
2 n3 A8 k7 E) G, c9 s! H; L: P. }int StartProxy(int listenport);! G% q1 k( D9 D" w3 J' B
bool WsaStartupOk;
) E# A x* b% @# U0 @CHTTPPROXY();
: I' P) n/ H7 k+ y U! Q) Jvirtual ~CHTTPPROXY();
};
/*=========================================================================
, \, A/ p, w9 o# Y7 p% yFILE:stdafx.h8 ` X( d/ k! W$ J |
==========================================================================*/
/ w7 y0 ? E! Z9 T R* E' B#include
3 u. n, n) o ^#include
9 t$ K3 g% K% ?# C; J, g#include & b! H- X% |) K4 J& j6 `) n" H
#include
; {, o# N3 i4 a. M" P0 S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：
}6 D9 T. {1 j#paragma comment(lib,"wsock32.lib")
4 V4 [3 b% ~, |" F+ r#paragma comment(lib,"ws2_32.lib")
本代码在win2k和vc6.0下编译成功~~
* Q4 N) l5 u5 E J# v1 ]+ O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:
# r* P$ `( X. d @# D' zCHTTPPROXY httpproxy;" `+ U# b8 Y* o
httpproxy.StartProxy(7890);7 g5 z) U( A9 |3 h( |9 X) F6 E
有问题mailto me！ # ]: J8 K7 f; W- W6 f- u$ {
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