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这是一个简单的HTTP 代理VC++源代码你可能参考一下:
* L! o# ]! v; O0 g7 B3 U3 ?//======================================6 W4 M1 w8 _) N% G3 V
//sock.cpp- h3 A$ S5 q v
#include<winsock.h>
! P$ y2 u6 r2 l& i3 N, r( p#include<windows.h>7 ~* G" }* C, w- K
#include<iostream.h>3 |' i; o5 H, L9 y4 J/ i& H
#include<stdio.h>
4 R/ u# s: ? H( t U T! z/ Q. Z( Y4 z' ~2 L% C% D
WSADATA ss;/ @% O* C9 d( J4 O
SOCKET a,s[100];- H; _+ d) t$ Z% Y/ x/ B0 w
sockaddr_in s1,s2;. Y/ l6 I3 y; k- \
int pos;
( S. m7 x; J) l( ]* ?) ]unsigned long id;" ?4 t) N8 @, L6 i! ] [
HANDLE han[100];
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DWORD WINAPI thread(! q, L- ^" M8 z7 a8 S
LPVOID lpParameter // thread data
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, `: E3 }& v, O1 a{9 z4 i+ ^( b( V; i! Q4 A
int cur = pos;- O( m( P7 S' R6 n
int sub = 0;# x1 h' g6 P4 n* r
char rec[20000];
2 \7 ]# d; h0 N- s, | char host[100];2 z6 {- d% b p% W9 v
char sen[20000];
- x: Y! a& i8 y: h! @) ]9 }, b- A char sen1[20000];
( Q- |4 |! P. l4 F& ]0 t9 T9 n for(int z=0;z<20000;z++) \8 L2 ]7 y$ L; `
{4 \ [4 c( S/ d' v& B
rec[z]=sen[z]=sen1[z]=0;; ~1 T1 \( I" w% K
host[z]=0;+ J. {# N6 A) i, i) i0 ~, J% a
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z = 0;, n1 F" {8 c) d) ~: O# f
int sz;
0 B$ f1 C% Q7 S, {; ` int pos = 0;3 m, C0 @ a" o) P7 w
char d1='A',d2,d3;6 Y6 J% ]. f" _; R
goto mid;$ `: O/ F$ f5 h
mid:& d8 _ M) F2 A) E6 u
recv(s[cur],&d1,1,0);) d$ L* q8 W# ]
rec[pos] = d1;- O* c( F& T1 D- `
pos++;2 n4 h) _ {3 B1 ` s% h* J
if(d1=='\n')
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+ j, d+ k* G4 l7 o/ q, P recv(s[cur],&d2,1,0);# C! w0 x) L+ v, R+ a* v
recv(s[cur],&d3,1,0);
" U$ U, c# E' D2 M, K( ~ if(d2=='\r' && d3=='\n')1 ]6 x$ c5 e5 Y
{
5 N |+ m8 m+ f rec[pos] = d2;3 H. m1 ]& |# {
pos++;
$ s/ j3 Z: j+ ?: b, O rec[pos] = d3;7 ~1 F1 G) V9 E& d9 K
sz = pos;
7 A2 M6 U, E0 a rec[pos+1]=NULL;9 X7 M4 k; a3 a* Y' k' ~
}& @7 K7 I% C9 N; x4 g
else
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rec[pos] = d2;
: q- ~; M4 z9 _# m pos++;
, Z" d5 `) y. P9 b( _ rec[pos] = d3;
, e! {" y% T H pos++;
; A, v' F4 P' Z' K5 | goto mid;
/ _2 Q. Z# J: \0 t o/ {: l1 { }
' ^. ?" j9 m3 ~# K: j/ q/ ]0 a8 N' U+ ] }
% P, U+ k/ \& D: u else
4 ]; \+ h& w) ] {) q5 z! g2 n6 e* O8 ?$ z
goto mid;
N) ]5 `3 l( h, ^ }
% z. m2 B) r4 T4 t//sz = recv(s[cur],rec,2000,0);
/ u/ k. u; t, A+ H: W* @' U6 U* K printf("%s\n",rec);+ V: q; ^5 ~5 q- |7 J/ V8 y" y
while(rec[z]!=':')5 t: B8 M7 l$ g4 m
{
& Q, W2 h9 _" i' c5 U+ |4 }. ` z++;
9 n1 @# k( E0 r( P7 f if(rec[z]==NULL || rec[z]=='\n')
4 A0 t; \7 D' j$ ^ {% W, L4 Q" C1 o% H4 h
closesocket(s[cur]);9 T3 ?& R: v- [- a: w2 W
return 0;
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}
2 Q0 j" Q+ `! w0 w z++;% k+ b. ^6 J; j
z++;
7 r; [+ n- K# l z++;
2 h2 ~6 r0 e2 P1 G int temp = 0;
7 A; Y0 ]- s" [2 B% N while(rec[z]!='/')* \! n2 a& U1 ]. l- ^
{
, K, M2 d' N' ]% v: z9 _ host[temp] = rec[z];! y) T5 `& U% o7 X& i+ f
z++;
d& b8 i8 _2 e: D- m2 e temp++;: Y8 G) S2 b! B' x# I
}
3 \: L& T# w, [" [: G* @; l5 u temp = 0;
Z, `- H. j- o z=0; T9 o, _5 q p% N- r$ R1 `" \$ x
while(rec[z]!='h')) ?: _ o2 F" P& q# o& }
{
/ C2 o$ J( |9 u0 u sen1[temp] = rec[z];% Q+ V0 x7 x& g9 {" o _- ?% z, V' D
z++;3 ~0 y& E6 Z/ K9 T& w
temp++;
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z++;7 m) U4 H2 ?7 S3 v
while(rec[z]!='/')* e/ n3 \2 r8 \+ L
{
! {+ ^4 w! p# D z++;
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z++;
; E* d( P$ ?- Y# R6 x3 d6 X! f' S! d z++;
. k- o+ ]/ r8 o% `+ G* p while(rec[z]!='/')
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z++;
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while(rec[z]!=NULL)
' B; ]) S! N6 b4 _- g$ g6 u {
4 f5 w" K) G& [2 G8 d# @; b8 [# y sen1[temp] = rec[z];
Y }- C# }& ?/ } z++;
& F* R; w( H8 o1 c( q( q# I temp++;
' { ~! r u; d }
3 z6 u$ J8 f, h n PHOSTENT adr = NULL;! Y8 {6 k$ h: `. F% U1 j
adr = gethostbyname(host);
9 w) ^; Q, a4 {( [4 ~ h7 O6 [' o if(adr==NULL)
( E/ j( ~1 i' Y" n. F {
5 X( n: D v% _/ Z+ g" G: ~* m send(s[cur],"Could not able to resolve host address",48,0);
+ p/ i" D0 {$ O closesocket(s[cur]);
) {% X p3 K. R, h0 L: ^, U: Q DWORD ff;
& ^# e! J0 s3 } GetExitCodeThread(han[cur],&ff);/ c5 n$ c2 B8 I" w4 y; i. W
ExitThread(ff);& W, p2 ~6 W# d E' `
}- {6 j N, Z& C, b( A! f
SOCKET ss;
: d; B( e! ~# N; `8 F' | sockaddr_in dd;
& D& b0 d; Z) L3 b ss = socket(AF_INET,SOCK_STREAM,0);& L9 C+ A! w# N x( F& ~& ~5 {
memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
% O5 ?9 x2 @. C" v/ D# Y$ [7 d1 f. V dd.sin_family = AF_INET;$ F- K4 J' t2 N. Y3 `6 k3 {
dd.sin_port = htons(80);
+ \2 q" H6 {& q0 k if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)% H! Z- u0 I# u3 L0 |- `
{
$ N4 H+ U. a0 _; r: i send(s[cur],"Not able to connect to server",29,0);
8 y& H8 {1 t2 u. ~5 {1 k7 G# d/ { closesocket(s[cur]);/ E. U) [6 G; ]
DWORD ff;
9 j5 \% Y8 D3 g; \3 j2 U2 b GetExitCodeThread(han[cur],&ff);
0 ^2 K8 ]4 I. H ExitThread(ff);
' Q$ M4 a' G3 i+ n' H% k9 m2 l2 R% K }
* x3 Q( e+ Q9 F% | send(ss,sen1,sz,0);
6 y7 X: G1 P* A8 i& t sz = recv(ss,rec,2000,0);
$ M) c: t/ I4 p. I while(sz!=0)+ k6 G) d( M# ~+ G
{6 k% G1 `$ @. y, @
send(s[cur],rec,sz,0);5 ` i( ^9 ^1 r0 l0 a/ V$ X
sz = recv(ss,rec,2000,0);
$ a7 }# R9 r. B0 K4 o+ @% v }
: ]/ Z3 I' }% S; x& q9 N1 I closesocket(ss);5 Q' R! m. t* U" k$ c7 C9 D! K8 c
closesocket(s[cur]);1 {" ~9 w: j5 h' _0 s8 M; C
' N) x% l+ }1 V2 B3 \ DWORD ff;
' q% K" H3 o! G# u- Y- z GetExitCodeThread(han[cur],&ff);2 X' C3 G; T- R2 ]
ExitThread(ff);
* ^0 A3 g: D) [ return 0;
, i: Y+ r/ v4 S" X2 `}
: }# \1 F' O4 W. |
- t$ M9 ]4 Y Y3 ^! Uvoid main()
2 w! Y, X5 B) T5 W# y2 p. F{, G3 y g8 V; ^
WSAStartup(MAKEWORD(1,1),&ss);5 v; d) R( M2 U- r2 I
a = socket(AF_INET,SOCK_STREAM,0);
% N1 e, ?9 L- Q, K s1.sin_addr.s_addr = INADDR_ANY;
) A9 {3 g9 A: g7 K( N8 C1 k- e0 L1 i s1.sin_family = AF_INET;
2 x7 @1 M' \- c* \& _5 M s1.sin_port = htons(2323);
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if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)# R, ^! c: }4 a. p
{- d. g6 \ s+ F1 P
cout << WSAGetLastError();6 O! W' u/ l+ O, |( y
}
# U* f2 W& S: V. ~$ L if(listen(a,1)==SOCKET_ERROR)
/ d- o- A0 O3 T2 t {
3 T7 T7 e( D2 I cout << "Error";3 S$ U: n3 F+ C0 n+ L* T- R
}6 e6 _% s+ g7 \
int sz = sizeof(s2); Q" [- D/ P9 I2 s. C0 c, e) K
goto re;
+ O# Z. e) m' B1 D' d+ ~re:0 {: l- i$ a o8 l4 k# ]
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);, z" C% w" a4 \2 s; }
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
4 j) ^3 ?; I3 U Sleep(500);
' D2 |- a5 ~' A. K- p7 R+ X if(pos==100)
% B. j0 }# E9 l' L" d {
* P2 l7 T2 i/ R, x% S pos=0;
* e+ D( c% A2 o k }
3 B) W1 g4 P* Q4 {; V+ s else5 C( b) |( P: m: H0 |* G) c! `/ i
{
9 k5 W1 D+ D" Y1 }2 K p/ r; a pos++;7 A2 N6 Y, c) J0 K5 a3 n
}1 I( T& Q% N: l+ b
goto re;
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