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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:
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//sock.cpp3 T# S& L% h6 Y1 P. G3 n1 L3 o5 j
#include<winsock.h>4 n) V! }2 T9 o7 ?* i, z2 n( W$ M
#include<windows.h>
y& y) j2 C/ o$ C/ Z2 [#include<iostream.h>
+ |5 T' ?5 C2 Q% W D4 \ \#include<stdio.h>4 V$ |3 e9 p7 t$ E* h2 F* }
8 a( F8 `. C3 w% Y' l; C4 M+ F" O
WSADATA ss;% q& v: R, e" O0 }
SOCKET a,s[100];
0 r6 E% L( l' l- O3 f0 Ksockaddr_in s1,s2;% j9 J; w% u0 L2 K* E- P* s
int pos;+ a7 M# @2 t: z" l) u- ?# J( Y
unsigned long id;
( M! I$ s* [* V. J$ C" gHANDLE han[100]; j: K1 N* i4 `0 i* S
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DWORD WINAPI thread(
8 G! c# L7 W5 v! { M9 I( j% n LPVOID lpParameter // thread data
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int cur = pos;
x) u( b6 X5 V int sub = 0;
! H9 V4 k; y2 ? char rec[20000];
; x6 |, M1 P$ D+ _7 e char host[100];, _2 k: ^0 I4 u) ]$ C- v7 V
char sen[20000];
. E0 }* L; ^( j char sen1[20000];) P' A9 m. J( u7 Y. ]
for(int z=0;z<20000;z++)2 W& \+ d q9 o5 R! T. S5 N( o( n
{
1 |0 \- z) F* ^" E rec[z]=sen[z]=sen1[z]=0;6 F" a1 h7 d( q6 S
host[z]=0;4 p0 n: y# R# }+ \0 q7 d# y
}
3 U0 G* @) c E% }4 `; O- \ z = 0;
0 q$ q! a+ V7 W1 V! u1 N0 | int sz;2 p( n5 s$ y/ M! P
int pos = 0;3 r& u& N8 u4 |
char d1='A',d2,d3;
- _2 X8 X' s' G8 p4 L. t! R' |0 ^ goto mid;$ P2 N. g/ k! g8 N$ \* m* q
mid:
! C; L6 O- [: M$ h recv(s[cur],&d1,1,0);
5 |" U# D6 F! n* H: E+ `/ T! [ rec[pos] = d1;
# @$ T- r. r1 F6 L: u+ }1 K) @ pos++;+ W. t5 }9 l1 w6 ]" R4 P' D% M. }
if(d1=='\n') U8 w! b9 u1 _' ~. I0 ~
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recv(s[cur],&d2,1,0);7 f/ ]* J! s R$ h2 [4 c& Y' X
recv(s[cur],&d3,1,0);: f+ m" _7 n' `1 z4 d% }8 d
if(d2=='\r' && d3=='\n')
' w- K6 }- G' p: J H9 R {
* N& C: W) D1 c# `0 W8 A3 @ rec[pos] = d2;
4 V' h3 L/ s$ c |) |4 X, R pos++;; C* f" D. x, z5 i6 s
rec[pos] = d3;
! e9 Q" y. |( \. C/ f sz = pos;
1 D& q# Z8 Z1 @9 x% z rec[pos+1]=NULL;& x# B0 u `3 q2 N8 h* o
}
& s5 k+ m. X. @# B else/ q% l5 S! J# j3 M) f* L
{
/ W1 I% `: o$ s2 \. W: c rec[pos] = d2;
6 O4 f3 r. \% @. b6 a: X% K pos++;
7 h+ c4 t6 K; |" m1 } rec[pos] = d3;5 t# C. [, O2 [" o, f: W! Z
pos++;3 M3 o6 d6 m+ ]8 J- k) T+ {
goto mid;
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! s8 I* D8 { A1 y2 @ }
) Y3 c3 N( l& o' p7 F else
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goto mid;
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//sz = recv(s[cur],rec,2000,0);% L. S, L9 G7 |; K$ P" W2 H2 G
printf("%s\n",rec);: B0 j/ h0 g; v
while(rec[z]!=':')5 s' _5 }8 d# B: C2 s
{
" [( E" P% Y, [) ^5 q z++;0 ^+ B) \7 Q6 h4 Z1 n- p/ ?' {, x
if(rec[z]==NULL || rec[z]=='\n') s6 o: o6 u) o- o( k. [1 y- [# s
{. r( {3 [- D, |. {9 |
closesocket(s[cur]);5 \! N- S w3 a7 s5 N# ]7 b
return 0;+ K- l5 B9 T+ R2 |
}1 E3 s# _7 d) `3 ^: H8 q3 u
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z++;# c8 m6 M, ]3 i6 b+ @
z++;
. x. q) }7 P, [: } x% j1 O z++;
/ [; f8 ^- ]; d5 [0 y9 z$ C8 ]7 q* G int temp = 0;. A6 Z: ^% B1 {
while(rec[z]!='/')
7 v8 H( p6 L" ^1 h {# a6 C# G# a* r1 s6 ]- _ F+ w
host[temp] = rec[z];
$ V: N2 c* E5 q+ K z++;
, A2 h/ Y0 v% a+ g( [; m temp++;
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temp = 0;$ ~- a; G6 g I a: d# t/ l* @
z=0;
7 l) L, y' H# E) B j( V while(rec[z]!='h')8 F$ w7 ^& I* k3 e
{
8 j F6 z: Q# i j" C: p% E3 T sen1[temp] = rec[z];/ Q3 G8 J- }" ]. ?3 G
z++;, }0 P: C' Z3 u, w) y/ a4 i2 E
temp++;9 `* t% D5 Y$ j$ F$ n4 w
}
2 M3 K4 F6 C A3 ` z++;
- d$ B M# a! W6 b1 g& D while(rec[z]!='/')
5 a8 |4 I* I% x, e: @ {
) y/ R9 S% |+ [* M; q z++;
5 X0 X. l) |% D/ F) A }; Z) i% t! [6 E0 v8 b1 O: i
z++;+ A1 k' u% t8 c: s+ M
z++;
+ @$ P. Y/ z1 e; _+ @) I. Z while(rec[z]!='/')
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z++;
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while(rec[z]!=NULL)
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sen1[temp] = rec[z];
) e7 u7 F2 n6 o" Q) F- f, O0 u z++;
# R1 t' C" \5 w8 w1 e) j1 `* w temp++;0 M) H# t0 _ t
}
% G5 I! m! Z* K PHOSTENT adr = NULL;
+ G# f) F p, c( g adr = gethostbyname(host);5 w/ n7 h0 q6 t7 E% O
if(adr==NULL)) g; \ P( y. Y" [
{
6 p9 [: K% A$ z1 p send(s[cur],"Could not able to resolve host address",48,0);
" k$ B" d# {" { L0 V0 M e closesocket(s[cur]);
/ v* i9 f: D' n# n DWORD ff;
0 W% i @) \1 `# c GetExitCodeThread(han[cur],&ff);0 E* k2 B" X9 P5 I( ]2 Q0 e( w2 j
ExitThread(ff);
" [/ D6 I9 L) _+ Q- s }
- {; s0 \; j/ X5 h SOCKET ss;6 D7 \% v$ Q) H( a+ `! f3 Z
sockaddr_in dd;& \ D/ p3 Z: P c7 @9 Z
ss = socket(AF_INET,SOCK_STREAM,0);
8 ^) c" p3 z( v' C& R# u, A( d1 B! H memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);1 }' _6 W7 U: W% v* [) |
dd.sin_family = AF_INET;5 e7 d9 I4 ~- l1 R/ m, c
dd.sin_port = htons(80);+ |1 Q2 O' H' ~" L9 j+ ]1 X1 H
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR), W8 _6 t' }* }- ]! |9 O
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send(s[cur],"Not able to connect to server",29,0);' B- E0 d) e; T
closesocket(s[cur]);* {# l2 K1 x. j8 Z& l
DWORD ff;, s! f9 F% h: a# R3 T
GetExitCodeThread(han[cur],&ff);
8 i1 w# S0 {9 s5 ]9 ]! [ ExitThread(ff);
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send(ss,sen1,sz,0);
3 j7 G$ p" k0 J. b, W; } sz = recv(ss,rec,2000,0);) j& i# ]. E+ d+ {$ Z
while(sz!=0)
1 {. `: I$ }# q! j+ t {
! A7 q; y* Q) } send(s[cur],rec,sz,0);6 R2 {' H' k* V
sz = recv(ss,rec,2000,0);! `+ h/ C' Y: Y1 A
}
. n K7 H& B1 \ closesocket(ss);
+ I" _5 a O& ~& ]! j0 n2 T closesocket(s[cur]);* l" C- x. v. H8 W+ x7 L
9 i7 Z1 Q: D2 y' Q; X5 o$ H DWORD ff;# \% U1 k$ Z4 ~+ |3 C* g( ]
GetExitCodeThread(han[cur],&ff);
9 ]( }1 {, L% I7 l: f' o4 a ExitThread(ff);4 b0 \3 S& C% M3 s& F, |2 H
return 0;
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4 C" x2 @* x- a& I" gvoid main()6 R) r0 \* c) A# H+ z- X W A
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WSAStartup(MAKEWORD(1,1),&ss);
' D; ~& a: x* d! H; J- ?, ` a = socket(AF_INET,SOCK_STREAM,0);: S: G$ L2 I. {3 ?
s1.sin_addr.s_addr = INADDR_ANY;: h& j' G. a8 X- B! q Y' b
s1.sin_family = AF_INET;
' S! }; T( [! ?2 A1 v. r) F s1.sin_port = htons(2323);
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if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
" q+ Y6 n, n y' M) T {
2 j* e2 P4 N5 C7 ] cout << WSAGetLastError();. L/ x2 L9 A/ }" g' A X) \
}
4 t7 `# A* U4 c5 b if(listen(a,1)==SOCKET_ERROR)4 V5 a% f, G* a" e
{
" i1 x) x% T) o) a0 I+ F1 L cout << "Error";
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, t [7 a* R0 ~0 n int sz = sizeof(s2);
7 e. s) z; A: K- X goto re;
- B9 i2 p8 n8 {, ore:2 s6 P% s. H% A0 s( {8 G
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);* R* \# e# M: S4 O$ I
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
2 Z y' ?5 B% A5 w5 _! l Sleep(500);- P. Y% D. `. W) W& {( D
if(pos==100)) N3 e8 ?5 O# ]3 z
{! U9 {' k0 Y6 n1 k* F, z
pos=0;; K" m, Y+ g: t
}
J' G- F: s8 D. F- P- S9 V; e else
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pos++;
4 b+ r# F! E. I3 a2 |2 a: s3 | }% j2 u/ {7 a- h: b9 e1 r( t$ y8 i
goto re;& \' _2 o4 X @0 m
}" ~( i" \* c8 h8 N% J; {
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