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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:
3 e) r& ]/ a0 h, |1 X//======================================
* |$ i6 u6 a+ ^. V; Z//sock.cpp9 i& v. _6 ^' [/ S! Z5 _1 k
#include<winsock.h>
: l) Q) h6 X& a#include<windows.h>3 R! G$ b& o* K7 T5 ~
#include<iostream.h>: ~+ \2 @* u8 \- X9 L& q% a
#include<stdio.h>$ O/ j& N d. G6 P* j% _
0 o9 K/ e5 T! |- {+ GWSADATA ss;, }6 F9 y# b) k
SOCKET a,s[100];& i' C. c* D7 A9 Z9 r/ ?+ |. @/ t
sockaddr_in s1,s2;/ Q0 Z3 c: i6 s% u6 l1 U
int pos;' V6 j" \3 D. N
unsigned long id;! Z/ ]% {6 R# i3 o
HANDLE han[100];
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DWORD WINAPI thread(; P; o9 t9 _$ j* o* j# g
LPVOID lpParameter // thread data8 c* A; k- l' d- D' }: m* s+ K
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int cur = pos;
4 g/ U5 ]5 e8 `, o _$ X int sub = 0;$ @; `4 R6 u# I1 \# t- R% [
char rec[20000];
# H0 Q. R% E0 f1 L2 J$ M1 Q char host[100];5 I& C! `+ |, T9 b& d
char sen[20000];+ @! h: H* n ?6 M( x
char sen1[20000];
+ s7 N' @1 @% C1 ~. b for(int z=0;z<20000;z++)
0 C% u4 A. F! G# D4 N- L {
1 E$ p1 y0 y! w+ F* X rec[z]=sen[z]=sen1[z]=0;+ S$ `3 A2 w" L! w- U
host[z]=0;, B: L; I9 D k& _5 q7 v
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z = 0;
7 y# |0 U! U- _* j6 U* V5 A int sz;6 ~ h$ _4 ?# z* }8 `
int pos = 0;3 o, s/ y0 N, J1 A) ]# [
char d1='A',d2,d3;/ }9 R8 |) x6 N5 p* N: P
goto mid;
9 u0 L6 r' j" ~mid:! d5 j$ L1 u/ P+ a
recv(s[cur],&d1,1,0);2 [0 R. C4 Y3 O$ |# Z
rec[pos] = d1;
2 H ~" U* T5 v. @( j pos++;
# s; ?- x! Q- G6 _/ t/ z W if(d1=='\n')
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recv(s[cur],&d2,1,0);
2 [: d3 H0 l3 p recv(s[cur],&d3,1,0);
4 X: j6 l( ~) B* c l9 I if(d2=='\r' && d3=='\n')
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rec[pos] = d2;; {! n' h& s- h# l$ c) v: B
pos++;9 C5 X5 b% P9 K5 n- x, c% N3 b0 c
rec[pos] = d3;3 l3 b) S8 i# A7 ]3 Y+ H+ b
sz = pos;
6 K1 G, C. \% Z0 \: ~9 V rec[pos+1]=NULL;
% `: ^9 x0 V) n! z( `9 \) J* U }
! \, N) Z: J! L w5 Z: _- r else
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rec[pos] = d2;
- O+ f' }6 v1 ]* g pos++;0 |6 p& [2 u |1 t% Y) Y _/ [& S
rec[pos] = d3;2 [" M8 r+ ^7 {# X) I8 u8 P9 |
pos++;
0 L. V1 m1 b6 c- b3 v2 H6 } goto mid;
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else! h3 L8 m$ t) e0 t7 `/ ~1 ^
{
4 N( N- n9 h/ u1 h* w9 r2 |* a1 o t goto mid;
6 b" x0 N' c7 b: S' X }
9 C" q/ [) n9 L3 b/ O* ~0 D//sz = recv(s[cur],rec,2000,0);) _4 y% n e5 S6 q2 w
printf("%s\n",rec);9 o% B5 ]4 I# j" ` F8 r/ F
while(rec[z]!=':')
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z++;
7 U c; k8 }& J A1 q; }) A6 j if(rec[z]==NULL || rec[z]=='\n')" p) W; U+ K2 J; _. Z! {! e
{
3 T/ G3 q+ S8 Q closesocket(s[cur]);3 {0 S ]: H0 `4 {9 |" S1 f& ]% y/ E
return 0;
$ W/ }: }0 y8 L, K* a8 N8 N }
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z++;
7 O+ }% I" C$ H; {8 e; n* c z++;1 z, @8 ~/ A! \+ j4 b" ?
z++;2 A) Q; W% O- L W4 i% w
int temp = 0;+ p0 D$ y4 t. Q& v
while(rec[z]!='/')
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host[temp] = rec[z];
( m+ c* K- p- y) q z++;
8 `! q7 F: A+ s1 ]0 E) H temp++;
/ n& l) D# n- l) k3 \' i% U }
/ f( I" b3 n3 h. F( v u# d6 A0 G temp = 0;$ G8 O7 V/ h B, ~5 q% G
z=0;" v6 g! Q* S7 O) n- [ ~, w
while(rec[z]!='h')- G& U O( Y" M8 y- h( l
{1 L% E( r5 _ ~& J5 O2 c* K, Y3 h
sen1[temp] = rec[z];" I% p3 n" W+ p& t
z++;0 ?, b" l6 p+ K( p0 t: p- |
temp++;
$ |4 X" ^$ W. R+ q }
, F( m( N2 v$ L. ]$ K z++;+ C6 v! K$ q( n* S2 Y% ?! m: p
while(rec[z]!='/')% y& a) K' m: \7 p/ C
{
/ o, I/ |2 i2 B: A5 u$ Y& V z++;
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z++;1 q( m2 e( }6 m7 p: k& x$ p- U% M
z++;/ x9 G( c, b5 o
while(rec[z]!='/')
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z++;
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while(rec[z]!=NULL)
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5 z. Y3 R; o: `& R0 g" H: _) d6 W sen1[temp] = rec[z];
) c! k. u0 P; L3 N L0 C6 Y z++;
% s \" ?( D; G/ w temp++;" F( v0 }) c- y. P! w) |$ f
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PHOSTENT adr = NULL;( m+ y& K- P- p+ V5 L! _
adr = gethostbyname(host);
+ r9 D" u( M3 f1 e/ x m( D if(adr==NULL): _2 P {. p% M1 a% T( l" r
{' p R: q7 T, Z2 }; ~! z
send(s[cur],"Could not able to resolve host address",48,0);
5 U, H' ~; B% X8 _4 t closesocket(s[cur]);6 q) x% ]7 S* e" Y4 a* ?1 V8 {/ L
DWORD ff;
2 S1 c$ j5 z7 ?# x( V' q GetExitCodeThread(han[cur],&ff);
0 V4 P. J- x! h& G4 Y/ ^ ExitThread(ff);, A+ m. J' Y, o9 D9 _
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SOCKET ss;
( V3 @! `5 `# j4 U6 t' ^5 Z% p0 d sockaddr_in dd;
4 h0 q8 Z; l; Z ss = socket(AF_INET,SOCK_STREAM,0);
# W+ X9 s2 h' p% ?$ G memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);. t6 Y( y7 ?. ?, m3 H2 T) \/ g
dd.sin_family = AF_INET;
4 R. i. s3 u2 x( o% k dd.sin_port = htons(80);
( _# l- u8 m: n/ Z3 z if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)0 k( M. Q {# e6 p* U
{
8 r) z8 I1 u" Z. N" b, c# l send(s[cur],"Not able to connect to server",29,0);
7 _; g) h5 k7 ]0 U) Q, C closesocket(s[cur]);
0 f i! S3 H) m6 i) U DWORD ff;
3 @- C& ~9 c$ Y5 _, m GetExitCodeThread(han[cur],&ff);7 h# Z# ? S2 {& A! @5 ?
ExitThread(ff);% y; P+ v8 _7 X
}
3 P: D# F4 d+ u send(ss,sen1,sz,0);7 u* x" ^9 w7 x$ Q
sz = recv(ss,rec,2000,0);
: v+ k @) e7 K while(sz!=0)$ `3 a$ {8 D. O
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send(s[cur],rec,sz,0);
; o" N4 m8 V/ k/ }0 e, _ sz = recv(ss,rec,2000,0);! C) V$ d1 L. L# L
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closesocket(ss);. x* K9 M0 j2 [: d5 h5 x
closesocket(s[cur]);
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DWORD ff;
+ f" z) R/ q9 I% ~( i GetExitCodeThread(han[cur],&ff);
7 N" ~" G: j& n! E6 [" Y ExitThread(ff);7 \4 `5 z$ N& o
return 0;
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void main()" a( C' p3 _9 P5 i1 K. m8 T1 J2 P
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WSAStartup(MAKEWORD(1,1),&ss);
$ X: P) L+ O7 |5 [9 }" n+ F1 D" t a = socket(AF_INET,SOCK_STREAM,0);% B: E' m/ [, t7 A, W. N
s1.sin_addr.s_addr = INADDR_ANY;# n# a$ R7 }9 R% P
s1.sin_family = AF_INET;: M: i' w6 l1 |0 D1 j% Q
s1.sin_port = htons(2323);
+ V7 q8 K4 H0 F1 G0 G+ `' x5 \( s- Y4 o. r' l q$ C6 i
if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)# ^5 W2 o$ k S
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cout << WSAGetLastError();* y" R9 f7 i; `0 i
}
9 ]* U( Y! H4 \- ?/ o y if(listen(a,1)==SOCKET_ERROR)
8 {- E: ?# F5 c |# I6 N) ~ {
# K: S9 ^1 v( n: D I3 p cout << "Error";
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int sz = sizeof(s2);
3 [. G: q) d6 Z- A# v goto re;0 B/ {: ?9 C- w2 |/ S0 E% E. m
re:; z8 a! v+ Y9 N
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz); L9 k( x# i6 C
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);: y/ f t& v3 A, _$ x' m: q
Sleep(500);
. n$ _ Y$ w& J8 i# e if(pos==100)
& @$ o# I/ m) P& n3 u {
3 D7 d( Q+ u# R4 ] w _( G pos=0;0 [3 V) E+ z% G
}
5 H/ d" m; d- v. \- Y else) @( v+ X9 \% P* x. y% Y
{
" B% ?2 B/ `" g/ ? pos++;" @9 T6 }2 t2 j G5 n3 A
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goto re;
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