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/*=========================================================================6 I# C+ M" N+ `# J- ~
FILE:HTTPPROXY.cpp& E, W- \: c/ n5 W0 T2 |3 b
HTTP Proxy v1.0; W6 p1 \: w3 B
powered by shadow 2004/11/14) ^7 H; U" Z* _0 u" s
my web:http://www.codehome.6600.org$ |8 t6 H6 N E
QQ:1760173529 w% N L8 Y! P3 M
请先阅读有关http代理协议的相关资料,转载请著明出处* m- O6 y" _- z1 I8 U1 z/ {+ E$ G
==========================================================================*/ " S M' V* I( L2 y+ P. a
#include "stdafx.h"
- R3 C9 E. j$ T6 f#include "HTTPPROXY.h"5 a' g1 U& N J% i$ t9 p* T
#define FD_NOEVENT 0. z' t/ N' V1 x: x# t! E) u
//
9 D- ^% P8 V- W* d- e& { I#define BACKUP 1001 u) h) T+ |, Z( c
#define MAXDATALEN 65535
6 Y. J8 y( S3 e- F$ R; Xint HttpListenPort;/ Q- }5 r" S; F! x0 ~& Z
SOCKET HttpListenSock;
0 k! q, N s: i% \6 h- W8 ~# y//% Y& j: D% [4 K, U3 }5 t
typedef struct _CLIENTINFO{
* t& L+ k2 F K+ ?2 @SOCKET clientsock;5 b! V# }1 v+ [# `0 H7 @% C- }
SOCKET udpsock;# T% d$ |& {9 n
sockaddr_in clientsock_addr;" h* ?6 Y8 o6 w, M
}CLIENTINFO,*LPCLIENTINFO;
9 |8 [; c, \* @, V, ?CLIENTINFO HttpClientInfo;
9 M9 A' B" p% T9 f9 z" A//4 q. N( Y+ E& R% K0 h! i, Q8 b
typedef struct _SOCKINFO{+ J& C7 g: \! j. \; Q1 @/ I
SOCKET sourcesock;/ V. I9 ?# j& c0 B7 }( K& }0 W
SOCKET destsock;0 T, y6 U# Q* y. \. W
}SOCKINFO,*LPSOCKINFO;7 N2 `0 ~" y2 X( m0 [
SOCKINFO httpsockinfo;
- W8 e h, t& i//$ r+ E1 q% I- A% x R( w
extern long GetSocketEventId(SOCKET remotesock);
1 O/ J& n: p+ y; L2 h- eextern unsigned long GetLocalIp();
e9 H) B% \' Q* G9 N" Uextern unsigned long GetDomainIp(char domainname[250]);: o4 w( B+ l7 J+ Y) P
/*
% {9 G+ J6 G' r, X h, flong GetSocketEventId(SOCKET remotesock){ q+ ]% N9 Y1 J' M/ Q
long EventId;
& g; h( Q/ G, t; Z1 J4 [HANDLE hevent;
9 t' R3 L; B8 T% ^# y" Lhevent=CreateEvent(NULL,0,0,0);
8 |# ]7 k# y" m8 a dWSANETWORKEVENTS socket_events;
2 j% m, Y" H) ~9 ~EventId=FD_NOEVENT;& r# J4 I# F+ F, @' W2 x5 q
if(WSAEventSelect(remotesock,hevent,FD_ACCEPT|FD_CONNECT|FD_READ|FD_WRITE|FD_CLOSE)==SOCKET_ERROR) return EventId;2 B+ M4 e2 Z& C+ r2 b
WSAEnumNetworkEvents(remotesock,hevent,&socket_events);
6 P6 [& D' Q5 M4 Tif(socket_events.lNetworkEvents!=0){
+ O8 D2 y( b; ]switch(socket_events.lNetworkEvents){/ j1 h# y% N& }. O8 c$ I: o
case FD_ACCEPT:EventId=FD_ACCEPT;break; c* e4 x/ }/ ^/ w1 M
case FD_CONNECT:EventId=FD_CONNECT;break;
4 E! F% U; j% y- V" Qcase FD_READ:EventId=FD_READ;break;" d( r9 |0 |8 ]) k P
case FD_WRITE:EventId=FD_WRITE;break;
, y6 j9 h# f' B9 b* Z: @case FD_CLOSE:EventId=FD_CLOSE;break; w3 @* n; L6 ~: F* C& q* y
case FD_OOB:EventId=FD_OOB;break;
1 t$ a7 h9 O) V% r/ ?7 f& ?default:EventId=FD_NOEVENT;break;) J' Q# Y) @4 |% J% d# Y7 r3 @
} y1 p8 C2 e9 V% I! t
}
! P. g8 ~* o+ Y# yelse EventId=FD_NOEVENT;
/ X' q. L, d0 O3 c& t7 T3 Lreturn EventId; M% B5 x" C3 `0 r- Y5 A
}
/ q& V( ~) Q$ q; g3 [+ ^//7 y, R* R9 |9 N
unsigned long GetLocalIp()" L P+ h, y7 I- ?: W
{3 n7 n( @+ }2 I& q, B8 g* ]
char IP[MAX_PATH],*ip;
& W& x' Q. y, ~3 w, e/ schar pc_name[80];
8 U1 P" w- g b% M2 h$ sstruct in_addr in;, w# w2 J3 p( H4 W
struct hostent *host;( i3 f! E9 h3 ~2 B& u! J
WORD wVersionRequested;* z, m6 i8 Q; I9 z! P) J5 B1 M
WSADATA wsaData;7 E7 i; W; X7 K# Y$ o+ K* ?
wVersionRequested=MAKEWORD(2,0);
( b1 a0 f7 I' o# w* M5 Nip=IP;7 g, p k5 z ] w0 a, j( ~- V
strcpy(ip,"Ip not get!");
: _1 r! W1 y! [5 x6 x; G) u, X( pif(WSAStartup(wVersionRequested,&wsaData)) return 0;
' `: A3 r: ~# M9 _ Uif(gethostname(pc_name,80)==SOCKET_ERROR){
& A' P9 v9 ^6 N( i7 a! H" PWSACleanup();9 n4 ~$ u0 B% P) R- V
return 0;# o4 J0 F1 g0 V* x' S/ E
}
8 b5 I6 \, W* o) r! ~/ iif(!(host=gethostbyname(pc_name))){6 H7 \! U/ V) m2 J. O) {
WSACleanup();! p; c: I* y+ `; P$ X8 |5 r
return 0;1 s5 n) Z; I. p2 @
}
7 \- N- l4 F2 n/ s! J# q% uin.s_addr=*((unsigned long *)host->h_addr_list[0]);
* d X0 |* \1 D; M6 m Rstrcpy(ip,inet_ntoa(in));# z2 R9 k* X$ b. G8 \! L! I
WSACleanup();7 d5 i. O9 @! d- ^% ]2 v
return in.s_addr;
8 S) [$ K! }9 c. _}
! o" M+ C( D; y. T# M* l/ d7 Q//
' ], |" d/ F0 c% K! e' t7 qunsigned long GetDomainIp(char domainname[250])
& ?1 E8 Y# @& h{
3 Z; l+ R. u u" ~3 ?char IP[MAX_PATH],*ip;6 h# I. _8 v2 J* O1 \
struct in_addr in;
; d4 p9 u$ B, z) W1 J- estruct hostent *host;* T7 W% `5 S' S! p. H6 P* L
WORD wVersionRequested;9 O$ w* }' \! o* ~( ?& }+ P
WSADATA wsaData;
( f% `4 G2 A: O( a2 qwVersionRequested=MAKEWORD(2,0);; K5 A7 r; O/ S9 Q; a
ip=IP;
Q; a( i( [& R2 Wstrcpy(ip,"Ip not get!");4 B" g3 J3 p3 i' [$ S
if(WSAStartup(wVersionRequested,&wsaData)) return 0;
+ ~* ~5 V, P# e, j: Y5 E. Kif(!(host=gethostbyname(domainname))){
- p0 F+ M, R) _8 R, u0 y: s) o a1 _% mWSACleanup();0 k4 `" {/ _6 q4 Z( y6 R
return 0;
! c3 Y: R0 J; s7 D( A1 K' a} z7 e( v( Z7 r7 }& C/ j7 X
in.s_addr=*((unsigned long *)host->h_addr_list[0]);( j2 K5 R9 c9 Z* z7 }" U, W
strcpy(ip,inet_ntoa(in));
& C k3 [# K. ^/ eWSACleanup();+ A) x' u" Z0 e: U. [8 o) p
return in.s_addr;
; a3 Q0 r6 [9 G- F/ o' V}
4 ^$ I; b! u$ P9 f*/
6 h0 }* `" Q' q' Y//' y' u$ S" N7 a4 D5 s9 r3 M
//. g! t) E3 Y& O. O) Q' R9 P' T$ A
UINT HttpReciveThread(LPVOID info){ //针对客户端的接收处理线程0 R& B6 {, h$ E8 e, d. p! C
LPSOCKINFO psockinfo;
* K$ T9 c$ Z0 l) ISOCKET sourcesock,destsock;
* o G" |' \5 X( N( Kchar data[MAXDATALEN];
, r: n+ w! v6 Z( }2 vlong eventid;
$ e4 G5 s2 ~, s' X6 _, Uint datalen;
- Q9 a2 D4 a, H3 z" {9 @1 apsockinfo=(LPSOCKINFO)info;0 L6 ^; T$ H* X2 o3 |
sourcesock=psockinfo->sourcesock;) J: b/ J5 C1 W8 `, }7 G1 b% F
destsock=psockinfo->destsock;( N! \0 O$ j5 C+ I! v( R8 y
TRACE("deail recive thread ok!\r\n");- X& _6 a8 k# i. k" ], J3 N/ F7 c
while(true){3 D3 U6 |3 o; c2 L5 _
eventid=GetSocketEventId(sourcesock);, ? W. S! i, G7 `! Z7 d* Q
switch(eventid){
: G; ]% [" e7 g" A- o1 P: z$ _* R& tcase FD_CLOSE:
, w2 Y* v6 n! F1 M4 q7 gTRACE("s fdclosed\r\n");
5 p4 F" m: ?( f; aclosesocket(destsock);9 J1 K, K \/ ^) w
return 1;
; I; x+ u/ j2 O/ pbreak;
, [. ]& j) g0 r' ]0 K/ Cdefault:break;
- E( ^; D; Z8 H, d}" _+ M8 i9 p3 s/ E0 H: r
eventid=GetSocketEventId(destsock); i) P( S, ^7 }) N( ?
switch(eventid){6 p: l! s3 |# F# A* N
case FD_CLOSE:
& L7 h. ?1 A7 fclosesocket(sourcesock);2 T5 f: C5 I+ M8 e+ \) J% n
TRACE("d fdclosed\r\n");
" F/ o' K7 e6 e$ i* ireturn 1;
6 v2 P2 o8 j. e/ o: qbreak;
6 V5 {! i7 v+ O# P7 W, b) Mdefault:break;- h' Q0 ?$ k6 j3 U, h- R
}
) |( P: O5 X# S2 v: O; I- x9 e4 Xdatalen=recv(sourcesock,data,sizeof(data),0);& q, N" F0 E+ K9 G
if(datalen==0){
m3 i0 y/ `: O: v% fclosesocket(sourcesock);
- B+ E$ r; t6 w8 C* V, Y( }closesocket(destsock);
5 n# V8 ~/ V+ s0 M2 v0 L ~TRACE("s fdclosed\r\n");' q8 s% T. O- P9 F* j% R# C: S
break;
) ^, Y* u, d/ L5 g7 _0 g v}1 Q1 r' I+ t# |* Q
if(datalen>0){
& Y; f% t, L# q# X: q( s9 \while(!send(destsock,data,datalen,0));9 A" L# B5 i- K3 p( e6 V. K. X
}
9 [* I6 K% a: }- n; S4 P) L! OSleep(1); F! t/ ]) l5 y0 n# ^8 x& S
}$ N* o2 F, ?; D+ @
return 1;
5 D/ t/ D' ^6 g4 @; v}/ [# H9 q8 i, T U! W& Z7 P( Y
//
# F/ \. r" y( m/ tUINT HttpSendThread(LPVOID info){ //针对远程端的接收处理线程; @7 J/ K/ b* k+ F$ F
LPSOCKINFO psockinfo;
7 T0 l- }) ]9 ]% RSOCKET sourcesock,destsock;1 X+ m& C1 K! O) k' _
char data[MAXDATALEN]; j0 j7 O" }4 K) q
long eventid;
' I: C" |* ^4 }2 [8 r, g3 B/ `int datalen;; f( \& i8 [6 s' \1 M5 n; N
psockinfo=(LPSOCKINFO)info;
" g c& d1 X. w; O$ t5 Osourcesock=psockinfo->sourcesock;
5 V. Q; T; H# p; o/ Y! S) xdestsock=psockinfo->destsock;
' | r1 |: E$ bTRACE("deail send thread ok!\r\n");
5 ]. }1 o) t9 i( ]while(true){
" ] ?& C6 |$ S! X1 y3 xeventid=GetSocketEventId(sourcesock);
7 ~1 {$ e+ \" f$ ~. o- d" tswitch(eventid){% a+ q3 K7 T6 @
case FD_CLOSE:
9 ]7 b9 ^% }' f: O$ ~TRACE("s fdclosed\r\n");* A6 h0 _$ @ W9 `* g
closesocket(destsock);1 B! d1 K. h* j8 T3 g; g$ S6 H
return 1;
9 q/ ?; q6 n" F+ H, Sbreak;7 N1 @5 x" }# V }* I1 Q+ e
default:break;/ r, h7 \) j& ?$ l$ M. K R8 ?) ?
}0 R: ]( j4 o* [3 F7 L, J6 @
eventid=GetSocketEventId(destsock);
: V, H1 [" A. N' qswitch(eventid){
: I: `& U5 Z" fcase FD_CLOSE:# G# x0 p! V3 j& j7 X
closesocket(sourcesock);
! F* y3 l/ [3 V, e/ yTRACE("d fdclosed\r\n");
& x# D3 _4 R4 H" l4 J" Q7 ureturn 1;3 m' q3 y+ O8 n' x# ^- f
break;
3 M" F" `3 e# S9 m4 q! b+ j- zdefault:break;, k: E9 r% _7 d) {
}
R) V* F" u' _datalen=recv(destsock,data,sizeof(data),0);. P; o9 l$ S1 L9 ]3 Z1 X' C
if(datalen==0){
4 q% f4 ?* H1 V% O: [+ sclosesocket(sourcesock);
2 l* S! m) { Hclosesocket(destsock);% r* {7 p* b3 _' T' |" E
TRACE("d fdclosed\r\n");
/ n) `% |' Q( X: P, h$ i* ~- ]break;* w1 }+ D @) f
}6 y# C: Z+ @$ O( H
if(datalen>0){+ U, ]9 Z1 q2 r6 L) {+ y
while(!send(sourcesock,data,datalen,0));* @/ q) m. R! w# w; _# ~
}/ |% A {: j# g5 A
Sleep(1);0 m" O. J# x* b
}
! f9 t; `- M- w1 Sreturn 1;# J' Y/ q- R) M% M) \
}% m" ^/ W0 g, Y4 k2 w
//
* G3 d: c4 J7 z( F//9 J( c/ k1 S( }# N
UINT HttpProxyServerThread(LPVOID info){ //针对一次服务的线程
' c) _# M7 ~8 @5 BLPCLIENTINFO pclientinfo;" v! ?; b. k1 s7 a, J; i
SOCKET connectsock,clientsock;
3 \) J' W7 K7 Y- H$ usockaddr_in remotesock_addr;7 n r$ p; H3 J
char data[MAXDATALEN],url[250],temp[250],httpurl[250],portnum[10];
1 W" x. {( ~ }. \ p4 |int datalen,i,index_start,index_end,port;
. d+ ?3 T8 a3 s7 c, a) K4 v7 tCString HttpString,UrlString,PortString;
; C L" G3 [- Q% W; Qpclientinfo=(LPCLIENTINFO)info;8 q$ e% g3 o/ S
clientsock=pclientinfo->clientsock;
" f1 a( N/ @* _0 N0 GZeroMemory((void *)data,sizeof(data));
& l/ v* n3 I/ N* edatalen=recv(clientsock,data,sizeof(data),0);) v3 K9 ^$ d: i' f+ n& W4 k
if(datalen<=0){2 m, ^: z1 d5 j- g
closesocket(clientsock);9 W: [) ^( j" I0 W' y3 o, G
return 0;
4 p: A5 O$ [' @( C7 \. \ |
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