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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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r, n6 O6 \7 W0 d//sock.cpp
7 j1 i/ H9 Z; F( w: Y#include<winsock.h>
" L$ q' |3 |) r' F0 `#include<windows.h>
4 P6 C) o0 m t6 X d+ t. e2 }2 N, w#include<iostream.h>
. L& f$ p8 T* W# V) I$ `#include<stdio.h>& Z: j% V; o. a
- S) p2 U; I0 g9 J: w
WSADATA ss;; i( a3 s% Q/ o- q
SOCKET a,s[100];$ T. E# O; x/ N$ w( ?
sockaddr_in s1,s2;
; Q- J1 V8 o# I& k* s3 O' Uint pos;
5 S+ L& i0 {- iunsigned long id;
1 h* C) y( U: N; I8 p) xHANDLE han[100];
+ ?2 b+ t6 U( I4 } R% C1 V
8 A6 W/ B5 P) _; {" s# d: A7 M/ rDWORD WINAPI thread(
; X8 V2 |1 N8 @/ Y. ] u LPVOID lpParameter // thread data9 \% l( N0 r/ E1 c a% C
)
" F/ M1 x6 c( J D( u# v, m6 u9 m{
; P4 S+ n* B. _0 w+ q) \- @& c# N" s int cur = pos;3 W4 P- q+ l Y+ |9 q
int sub = 0;
1 t& a$ q5 I/ J char rec[20000];
& I9 ^$ l' T7 u3 f char host[100];. T, f/ x, e7 h4 h9 O7 A; V2 t' g
char sen[20000];- D r6 G# t# ~
char sen1[20000];! q. s! y* |/ R' S a$ z
for(int z=0;z<20000;z++)
( d* g+ J$ M* k/ i6 o$ R {7 K$ ?. ?/ F ^; A3 N/ h3 f4 U& ]
rec[z]=sen[z]=sen1[z]=0;
3 D* U% j# I$ m$ }% l/ \8 J host[z]=0;
9 L6 h, W/ V! H* j }0 y( y4 d7 H& Z% d0 B. i
z = 0;7 w+ o9 O* N7 D$ t
int sz;* m1 T) y1 ~: Q6 H; D z
int pos = 0;! b$ H5 d- l8 f8 |: v0 Y) l
char d1='A',d2,d3;
. ~6 N/ ]3 ?" h7 b goto mid;
" r x4 Q9 W7 x( _) w; Wmid:
1 f% ^: H1 b) B- x$ s9 ? recv(s[cur],&d1,1,0);
2 L. Z/ @3 J; y2 R, N+ h/ K rec[pos] = d1;
0 E& d2 Z1 n& A5 G- i# K, t/ Z! ] pos++;1 v# Q3 m7 a1 I+ }
if(d1=='\n')
4 n4 n. M, e5 [/ ? {. ?" _; U# ^& `; I
recv(s[cur],&d2,1,0);
* K) ^# p) m) O* [% Z) W6 m r recv(s[cur],&d3,1,0);# Z8 T( @7 F' |7 E& }/ Q( J1 f6 ~
if(d2=='\r' && d3=='\n')
4 r) E/ N$ V3 g8 j {8 F+ G: Y4 A e
rec[pos] = d2;& d+ J/ b, `/ b% @0 s5 l
pos++;
" t+ _' H9 m/ C g0 r/ U rec[pos] = d3;6 O: ?/ U0 Q# N( r2 ]" Q& i
sz = pos;3 U( U5 S+ }: X" r9 h
rec[pos+1]=NULL;! l- _$ Q; {, P3 o
}
; B! h u- t6 I; w4 U else* d5 W4 d; L' o* ]
{ B. ]- G6 T7 C( D. _, f/ f
rec[pos] = d2;
- h7 ]" B# w2 r! O9 I pos++;
) ^) ]7 v2 u7 G$ o% G% i rec[pos] = d3;/ J/ h# {- h( \2 r
pos++;. A3 t. C ?3 A$ z
goto mid;2 \% M$ ]8 d _! _. H4 }3 g
}+ L# Z3 A* m& m8 t0 c; o, d
}
% z2 z$ O' ]% K. x! z else
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goto mid;: F6 i+ v! a |
}3 ?( u' v2 b! B
//sz = recv(s[cur],rec,2000,0);
& W* c# ~8 p5 o6 X* A; [- `9 b- U printf("%s\n",rec);8 D0 J9 ~/ r6 @# y
while(rec[z]!=':')8 C) ]- S( J- s( q( b
{
l3 S7 ^8 i+ C z++;
/ F7 G& y! Q/ |: h7 g3 H if(rec[z]==NULL || rec[z]=='\n')
; e& E7 B! T- V( f {/ f8 N- Y/ {- M1 l
closesocket(s[cur]);
& s% L2 E: B) W; L- @- v return 0;2 R) m- j2 O& g8 ]
} s$ h- i/ s V) O5 ~2 q
}
3 p. h' E7 _ S% Q8 _) H z++;2 ]; N7 q. `0 p: y1 b/ ]
z++;
5 C6 z, i7 i8 ]6 q z++; @$ K: b. D0 U( x4 d/ r- C
int temp = 0;
9 r* y5 C1 D! o. @& f while(rec[z]!='/')
2 v& x: P4 r% l* p" \ {5 @, z! A! {& [, `) X
host[temp] = rec[z];
, S- N, M, }: S0 S z++;1 ~6 A( l2 U3 t' ]* T6 e7 S5 _
temp++;1 P# `; h) {$ a
}
; _ ~+ } G- C6 K temp = 0;
g' M0 W, ]) Z$ x: Y% E z=0;/ g- f( s, N1 N O! {
while(rec[z]!='h')5 V$ K: P; v6 S. t
{4 r7 m8 k6 f* _2 `8 {4 ^
sen1[temp] = rec[z];9 r, Y+ s: Y; {" t
z++;( z; N O& ~% Q1 G* w
temp++;2 P- K4 @8 E0 l5 h3 e
}
% J9 O% d. D9 D0 E4 L. ~& b/ n z++;
! R$ e8 k* Z7 {+ O while(rec[z]!='/')
/ @0 f! \* [/ O \" n/ g5 `1 [ {
& J, l0 Y8 s' \. F6 F" k; t z++;
/ }: F' H6 t/ N% c }1 C4 Y, B- [5 n, p4 O8 k. h, H: [$ V, B3 {
z++;
: I! L8 ]$ t6 R2 b6 q$ z0 f z++;9 Q" G" F5 J# m5 b
while(rec[z]!='/')/ T4 x& d' X8 S) J
{* G* s( u7 c% y8 Z2 b: u m
z++;* a) t) P! U& _( @* y3 m: H: f
}* e" J( L9 z; W5 S( g6 e
while(rec[z]!=NULL)
" r! L0 N" ^2 M) d {
/ |0 u2 P$ x. C1 D$ T) m! Q sen1[temp] = rec[z];- \, F5 k) x6 w6 B/ q7 n6 Z
z++;
0 B, u8 \7 L4 ]3 E$ g temp++; ~( l+ H2 C( }3 Y
}
5 F) G9 M& s" _4 ]; g5 l PHOSTENT adr = NULL;
5 n3 l1 A1 P) ]2 i& \0 E adr = gethostbyname(host);
8 t" P- K. l$ ^7 I, ~* M7 O6 d if(adr==NULL)7 a0 Z, q9 d6 u; P$ H- M9 N
{2 v6 s) m1 u. r1 v) K1 ^; |9 w1 S
send(s[cur],"Could not able to resolve host address",48,0);
- D E/ ~: t5 e1 o, E2 u& S8 e closesocket(s[cur]);
' a, M9 b5 o, d" K DWORD ff;6 i$ b8 c1 W+ H3 U4 P) w
GetExitCodeThread(han[cur],&ff);
) B0 J n+ T P6 j6 C0 e8 { ExitThread(ff);
1 n I7 P: w0 ]' g) Z/ Y }6 F7 F' @) w% }8 {9 ~ R; @0 K
SOCKET ss;
! {& o- t- ?* E6 t* N# k sockaddr_in dd;: l, P4 }' ^9 d) a5 N: r
ss = socket(AF_INET,SOCK_STREAM,0);
7 ]5 D4 X+ j3 u# ?! [3 C5 A memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);, A: ~- p: r) g+ E2 [7 v
dd.sin_family = AF_INET;7 |# q8 x9 \% K# t
dd.sin_port = htons(80);
7 b J& S3 m. l5 i% R- ?5 W if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
7 w: ?4 y6 \; q/ m! u$ G {+ M6 a: A, n/ m
send(s[cur],"Not able to connect to server",29,0);
9 |' G4 S* s1 A) M1 y; x closesocket(s[cur]); R) G* e3 I1 g% ~& w4 {! D
DWORD ff;8 Y4 @2 M2 S: }; y I% j- L& ?+ @
GetExitCodeThread(han[cur],&ff);' }8 n' Y6 E3 i3 D w( q
ExitThread(ff);
4 T. Z0 X( E. Z9 F }
% @* P- R9 V' K( g send(ss,sen1,sz,0);5 |; a1 z# q0 v. V+ J- l n- b4 K
sz = recv(ss,rec,2000,0);' Y7 B) [: @+ k3 r/ ~
while(sz!=0)
* _; y, `; ~" Z+ p {
) J/ @8 w8 E+ Q. L, Q( z, C+ A send(s[cur],rec,sz,0);
6 @: Z) Z# x# K) x sz = recv(ss,rec,2000,0);
0 @, Z( I# _' Y8 x- u: ` }8 x9 f" w2 Z8 o) K3 V8 ]' X- V
closesocket(ss);
+ ~2 L- P6 Z' Y' P d: _2 G8 M closesocket(s[cur]);
* z/ d2 {0 M: q/ B8 Z
% i# B v( n, c( L; E: Q DWORD ff;
4 O5 P$ R4 d" c8 E3 D3 r GetExitCodeThread(han[cur],&ff);
8 O2 y* j* Q* i/ |5 W ExitThread(ff);
! {+ r7 z5 f! ?* m1 Z return 0;
. s8 }' j- H* a* u- V. W; u M}. h( C# U. h$ v
( d) M7 \4 S4 B2 Q; C+ f
void main()
E9 i A* X5 q$ }{
: i' Y& I1 Q0 L* x WSAStartup(MAKEWORD(1,1),&ss);
- ~$ N0 ^7 l3 G. i, p a = socket(AF_INET,SOCK_STREAM,0);
6 p2 V' s: z7 Q5 X. ? s1.sin_addr.s_addr = INADDR_ANY;
7 Q0 x2 [# X. ?: p4 H6 P; k s1.sin_family = AF_INET;* }* d+ q/ L9 t/ d' T
s1.sin_port = htons(2323);
$ S7 _/ n5 H9 s6 |. l8 }/ e9 {- n
- l! ]% M% n$ f0 \6 [0 F4 Q if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)! j9 ^( Q( m& y
{
{) P1 b+ \* |, o cout << WSAGetLastError();+ D1 j8 s" t) U, o& v. v3 M
}8 n. A, h, W9 B' q' X. x, z1 B
if(listen(a,1)==SOCKET_ERROR)+ j6 F8 m+ m5 @! a9 N. ^8 w' |" q8 B
{
/ y8 R$ j7 z- B8 |' D& w8 w7 t cout << "Error";
- M) p5 ~: r: ]9 @7 N8 ~ }
0 @5 n+ ?/ k' H% W/ ]4 R; r" @ int sz = sizeof(s2);4 S* N' j6 M/ x2 I4 U( C+ P
goto re;# z' K& N% L8 ^, y- `) j7 c) T
re:* v% }3 }5 x& Y! o, @
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
/ k" I/ } W y5 _' H( y ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
! u+ R+ T& |2 h Sleep(500);, \6 [" ~0 C" t/ d5 o+ R" s' o C* z
if(pos==100)0 M: n. J: ^4 P1 _: P& u: k
{
" D; |7 O% h) q% f1 K- d7 l pos=0;
& j+ Z! O+ V o }9 B. x6 \: Q! q# Z
else
5 T$ U, |6 T) ~& W9 E% o- k5 @ {+ n* i/ \: s: _/ K3 u% _, i
pos++;
3 \$ ]" z" h" t6 ` }# J' E7 L0 N7 C* ]' Z* G3 S q
goto re;
7 ?9 {6 o: }% @2 n. }! C, P}
! U* B1 M2 g: J4 }9 J//======================================= |
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