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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:5 ^: P. A! ?" G1 h3 L3 h
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//sock.cpp
0 o* _1 j" K; e c#include<winsock.h>
* k! m _2 C! ~#include<windows.h>
1 \: q# P1 d' j#include<iostream.h>
2 i+ z- _9 o; e+ k#include<stdio.h>
* k( N5 V [- H5 s1 b
1 Y2 g0 }8 |% g4 rWSADATA ss;
2 x# ^/ [/ p1 C' T) Q7 N) DSOCKET a,s[100];
/ P4 H( e6 U. I/ h3 V4 jsockaddr_in s1,s2;
; X3 H& u7 D9 w% {int pos;
! A7 m: L# E# munsigned long id;. n ^: U9 ~* z% u' P. C) E L
HANDLE han[100];
7 Q0 Q5 \8 x3 s, u" T2 h i
7 t" B5 }+ t d; N6 e& h2 uDWORD WINAPI thread(
* l% w9 u! u& w9 j. B LPVOID lpParameter // thread data3 O9 | `; E0 ~# K0 V
); H1 \ c d% Z3 f
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int cur = pos;: c& g' b/ z" x! T. m2 s8 y0 d
int sub = 0;
$ ~5 Q- E: ^& i2 }1 S7 e, H char rec[20000];
1 [# ^* K% Y6 D! H char host[100];
7 b) Y& K, O% M/ s2 e char sen[20000];
3 w* W% G4 J5 T8 {# g) N* g/ t char sen1[20000];, [7 \- I* C l) ?* m9 T
for(int z=0;z<20000;z++)- g; y5 m/ N) Z( h
{( C0 p5 X. n4 V, N9 {4 R
rec[z]=sen[z]=sen1[z]=0;1 z8 u/ ^6 z+ b- p5 E: F c# ?
host[z]=0;
4 ^3 x. P( s6 ~' _! M% l }1 c5 f1 G& h2 ]
z = 0;; k9 [/ ~9 c, I4 ^. k( H
int sz;
& }, h* |6 ]% S int pos = 0;, _% u8 I5 Y( J; R5 q; q) z& o
char d1='A',d2,d3; C# L8 O' W) o* o! [. g6 ~4 `
goto mid;
2 O! h1 Y3 q" Tmid:) W7 T# V2 m. w+ \( M$ \6 z; z
recv(s[cur],&d1,1,0);
! e; T. `& _8 t% B5 l; r8 v rec[pos] = d1;8 } {( O+ E9 H m
pos++;
1 m9 q$ p" `/ M- [6 C if(d1=='\n')# e ?% {+ }: n6 ]* z) }/ M: H
{
0 ]* x7 b: l! M3 }1 e recv(s[cur],&d2,1,0);' H$ p: S) ]% n3 h
recv(s[cur],&d3,1,0);' y9 n/ R* _2 x$ Q$ G) f1 |! U( Q
if(d2=='\r' && d3=='\n')3 p, e2 V$ p2 B: G) O$ E4 y" \
{
3 u7 J4 n; V* Y$ Y2 h3 j' j% r rec[pos] = d2;, E' i4 M( y# ]2 H& F; o
pos++;( k# t+ ?. M. _
rec[pos] = d3;- C, U9 |3 _ a4 E; `
sz = pos;8 @: X, ^9 I& w' @5 L1 S
rec[pos+1]=NULL;
% u; B O& ~# [$ s8 t3 W8 [2 z( { }
- b1 d; X4 V3 G, K+ t8 H# S else& [ \/ }) E0 H7 G3 G0 Q! y
{
) I* Y: w5 m8 H6 d) x; R rec[pos] = d2;& S1 k0 C' J" E$ C9 k
pos++;# b" M* }" N- U9 J5 |
rec[pos] = d3;; g7 Y4 k. r0 K; d' B; j
pos++;
- L6 l O8 J5 m, D0 B& f5 X goto mid;% [8 f5 h# q W+ v4 P1 ? j
}
; d6 D) o% N! z* I1 K$ t5 G }
5 L% J$ \" d+ y. C: U8 H( U& s) ^( K else
% r8 n, v7 n3 S2 q' \3 v+ s. [: F {
6 ]- t6 l8 v& n& S4 O goto mid;1 N. l! w3 \5 s
}( o; p, |& k1 H9 }9 S" S7 _
//sz = recv(s[cur],rec,2000,0);
1 P' B6 i6 w6 G7 U printf("%s\n",rec);
: b) x! S5 z6 z0 Z- W) z5 } while(rec[z]!=':')
, b$ o3 |# h- z4 N; @) | {- l& S6 u. {. i6 s' _- A: O
z++;
$ q4 n4 u1 g. f: \5 M4 |( d5 s if(rec[z]==NULL || rec[z]=='\n')
! x3 Z @$ {" n {# e. I0 ~6 Z2 v: V# a' ^
closesocket(s[cur]);
* b& M$ {4 n2 M; a% ^; y7 `8 _9 ? return 0;
* m" L* I2 E. X b8 |4 G }
6 M% z3 R$ C+ i' F# u& c }
: i3 \6 v/ @! {. I4 q z++;
' c0 M. ^" F# {$ ^ z++;
9 q$ s/ Q( y) C5 ?" P$ } z++;- l! r. X( B. Y4 d W. n5 T# E/ t
int temp = 0;
3 w$ D1 ^! u# e2 } while(rec[z]!='/')) o. v8 E# i" O
{
1 v X8 U! n) Q) q. H host[temp] = rec[z];
1 f: X* G! | @. I) F1 P z++;
. B' A% H: V9 ?! Y temp++;' p2 P" t3 J% W& G4 g3 x8 Z$ }% c
}. `* N% v4 x6 k/ c) V4 K1 t: s# E
temp = 0;; b& B: Z; E. V: b
z=0;1 j* ^ [. l6 X5 F, b2 O" R
while(rec[z]!='h')
1 G+ ?- D {' K8 P; T {
R i4 b8 I1 ?( u+ E sen1[temp] = rec[z];6 C& I; Y9 P; [" q5 F. M9 s4 v
z++;% n# | I8 S* \4 P8 ?- i5 v9 d
temp++;
! [" F6 N W) Y/ t& g. s9 p }
. g7 i. [& ]. q1 \5 W' L2 }! m z++;3 `0 W: ~- C4 {9 P& l, u
while(rec[z]!='/')+ O$ S7 h7 f! n. W$ ?+ e0 e, }
{! s( A" m, X/ |8 ?) C6 |
z++;0 }. O% L4 o+ | i1 ?- W3 c
}
$ a$ J4 s- S' }! B z++;3 {8 `* R0 I# d. T G8 i
z++;
: G7 A# v+ U/ F while(rec[z]!='/')
3 p& V2 @7 T/ \! e5 H1 E4 \ {
1 Y1 H$ ~: [; I. q4 V z++;) X* u: v/ N$ I- N
}
; H: n1 h+ G( N while(rec[z]!=NULL)9 T r7 m, z# R
{
6 t! C( J" f9 S% n4 I- L- N5 v& E sen1[temp] = rec[z];# g7 E c6 |/ c! }* `
z++;
0 P* v$ |& e* \7 f; _5 b temp++;1 @' C/ X7 W, r8 _3 T
}
! n1 n* x( [7 w( I* s) Z% b7 U `6 l PHOSTENT adr = NULL;/ v( C# Q0 P* ^" A
adr = gethostbyname(host);
& U- c- f* L9 E" h2 V1 v6 Z if(adr==NULL)
# j v$ M/ n: |4 y {
9 e$ w5 ?& C8 N; q0 {" a* ` send(s[cur],"Could not able to resolve host address",48,0);5 i3 j* o4 n- V! A
closesocket(s[cur]);
5 N) g+ G7 \0 _; ` DWORD ff;9 Z: I( _ \. m3 ~" c& m6 X
GetExitCodeThread(han[cur],&ff);
! n% W0 A2 I% ?8 L, |% F7 c7 ?4 A ExitThread(ff);6 W2 I; s# I4 H0 s6 w( j
}, @; A8 F, t. Y$ q- G4 N/ Y
SOCKET ss;3 E/ d$ a k; A3 `
sockaddr_in dd;
2 T1 S& p0 W; U8 i2 R6 O ss = socket(AF_INET,SOCK_STREAM,0);
]3 B: W0 M5 @ A# c7 _ memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
0 |: }8 N8 ]4 c dd.sin_family = AF_INET;6 [: \3 M6 M! p
dd.sin_port = htons(80);8 z; f; [! i. Q: M1 u
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
+ L- c1 v" c7 I- h! G( o5 f7 l {6 U# E$ q' E, w; |0 x
send(s[cur],"Not able to connect to server",29,0);
; M" A9 c# g% K2 b closesocket(s[cur]);+ f' O5 x+ V+ B$ Q% R6 T$ _1 c2 ?
DWORD ff;
8 w$ [7 m' {8 Q+ f* ]0 v3 U0 c4 h GetExitCodeThread(han[cur],&ff);, a" w4 U* J( o' ] `
ExitThread(ff);
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send(ss,sen1,sz,0);
3 M. x# |1 ~3 P6 d sz = recv(ss,rec,2000,0);
, I7 R+ ~1 ]; o9 H7 n* t" l. ^ while(sz!=0)( ]+ M; i) v9 w. D7 Z( g" Q: V
{
! a1 p2 f0 N M" L# T- p send(s[cur],rec,sz,0);
4 G) |/ m5 t( L/ M9 T sz = recv(ss,rec,2000,0);4 t2 }; ^8 u: M$ @% r" D
}! H- Q; x7 i ]" E, |
closesocket(ss);, y3 E5 T6 H8 y5 _: |5 r
closesocket(s[cur]);
' {$ K) z0 g9 x- d$ [1 h) R1 M* k& F: U5 G$ Y" C, e
DWORD ff;8 `$ c3 R5 @1 ]
GetExitCodeThread(han[cur],&ff);$ I3 ~- P/ S' h; |+ f# _
ExitThread(ff);$ t' p4 \) ~! s/ h; F, _% b. V
return 0;
; A. U/ j: S$ C: f}
( E5 v2 C" M/ ^. w
9 `7 W# S* Q) q0 z9 i! R2 Avoid main()
; ?% a- V3 n. [ S8 k$ U{
8 \8 g! J7 O# @% l: W* M6 z$ ^ WSAStartup(MAKEWORD(1,1),&ss);( A+ V" x2 I( k( [' |5 G
a = socket(AF_INET,SOCK_STREAM,0);
& ]7 Y& p, a' R1 o s1.sin_addr.s_addr = INADDR_ANY;
! Y( C! i: H6 z, q s1.sin_family = AF_INET;, G* y9 p+ k0 v2 f, t- j
s1.sin_port = htons(2323);
' X# L. q+ U# R8 y% x1 [* K/ `' {# B
if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
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cout << WSAGetLastError();2 u8 R) U/ }4 b X# J/ J
}1 u% x+ G1 c3 o
if(listen(a,1)==SOCKET_ERROR)6 N& e% Z# R1 x, ^' f
{* Q* K+ o7 W/ ~5 P* E7 o) j
cout << "Error";
. A" \: x5 v0 Z/ t; m" z1 } }( l% v: D Z, R" T) j0 ?
int sz = sizeof(s2);
) T9 J' H/ e: d' Q( { goto re;8 y' T5 O8 m: i
re:7 J8 {/ {" n3 L9 h- o- }: H
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);; s& }' K% @ j/ e
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
5 p3 f, f! q3 w1 |4 c4 j' u Sleep(500);- Z; p0 S* E! X$ M3 B' P+ Q @
if(pos==100)# K; |2 A+ H" B* E6 N9 B
{' H5 z" Y, t/ H3 X* @5 F
pos=0;; u: G* @! D, g5 Z
}( x. W4 U; I/ R% t0 B0 G1 ]. y
else
5 ^9 d- U- d% o! `' _ {
7 q3 s) ? T& i3 ^8 {5 H# @3 `8 i pos++;
' i6 {; c( A& V& P }9 e9 n7 I+ ]2 X7 S
goto re;4 o% f- J$ A3 m' U' q
}9 \6 l! x* B5 e% n2 I8 I
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