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[收藏]http代理服务器的源程序

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发表于 2005-2-27 13:56:58 | 显示全部楼层 |阅读模式
  这是一个简单的HTTP 代理VC++源代码你可能参考一下:
( f/ i: t6 W/ F$ t; {% Y3 r//======================================
" `( z/ f: c8 N" m: a! ^6 }//sock.cpp
: N# H1 d* c7 {2 g) I#include<winsock.h>
+ Y" n% h) \& a' W6 ~( k#include<windows.h>$ @' b7 G  r2 o. L) a
#include<iostream.h>
  {- @! y, y7 f; U% u#include<stdio.h>
+ v1 j' W; h5 y# W7 ], ]! T1 O2 K
WSADATA ss;
0 \  g% O+ P( lSOCKET a,s[100];& E' K7 u; j/ ?
sockaddr_in s1,s2;0 r7 ?8 ]9 i) m1 u, k, w" p' I
int pos;
$ x* Z/ h. j, {$ {. i  @' kunsigned long id;
% o# p" p/ N! Y: l( y9 F/ v2 pHANDLE han[100];
: K$ X" d( ]* G) H/ \/ Z, D, U/ c6 v5 _/ m
DWORD WINAPI thread(
5 S: I+ g* O5 t& N( O( q. o" \  l LPVOID lpParameter // thread data
( P' V4 P- v2 d4 d5 q4 n# w)
* @( O3 E) s* V7 m2 }* y9 a{9 t* f. B$ a! @: J
   int cur = pos;
6 x' ?3 r( h: o0 ?3 X: b    int sub = 0;
* C# b) w: z) T9 |. h/ n* G3 w    char rec[20000];
' Y1 J3 Q, j1 a2 ?$ U$ b9 K    char host[100];" ~. r9 R: j0 D7 v1 f' ?: A
   char sen[20000];
6 M3 |2 J+ t% N/ H3 ]# [    char sen1[20000];
" i* Q# y6 h0 {    for(int z=0;z<20000;z++)
" G% r* G7 S* T8 X4 z& H    {) B0 V9 b! V/ r6 V  a3 I6 u, Q8 L
       rec[z]=sen[z]=sen1[z]=0;
8 M8 F+ b/ k  x6 P0 M# E7 @        host[z]=0;
* h8 ~( }$ e' y    }
9 C6 {; J" O, Q0 F8 W' M% q* U; |    z = 0;
( T; v' L& r5 t    int sz;
0 v0 L6 {; g2 p  w- u/ D+ n    int pos = 0;; ]/ V1 O; ~) d$ I8 S; n
   char d1='A',d2,d3;
! n# x" _1 C; B" [0 \) N$ q2 P    goto mid;- l$ j0 ~( I5 c- A% Q9 b8 s/ v
mid:
0 i$ I( N9 k0 @    recv(s[cur],&d1,1,0);, s! r( @% b) y- s& X# N
   rec[pos] = d1;
$ J6 b2 p' I2 R( ~    pos++;7 i( [. `: I; l3 F9 i
   if(d1=='\n')
! g9 d, A; e! E3 N) e    {
7 S* d' {6 i: x, f' C) f- r        recv(s[cur],&d2,1,0);0 q, x9 j5 I  _& f7 [6 \# o
       recv(s[cur],&d3,1,0);7 \- B9 p( e; f4 F2 t
       if(d2=='\r' && d3=='\n')
: g) x. r7 Z# Q. }/ s5 N3 S        {
+ ~2 F8 Z% b8 r5 B            rec[pos] = d2;
$ I6 u( e  b! E, f7 P, }8 Z7 z            pos++;
0 S3 t6 H5 H9 O3 Y8 b            rec[pos] = d3;
3 ]" O, p7 y. C0 t0 N            sz = pos;3 B) m) c! I6 Y) R7 W9 Y" I
           rec[pos+1]=NULL;
& N+ e* x0 J& F        }5 h9 J/ v1 R9 v' N. _
       else
" R% P- w' c1 q) u        {
2 f5 P4 h* e6 {8 _+ l            rec[pos] = d2;* T: B1 Q5 R6 ^- b5 D1 Z
           pos++;" f# V: q, T8 T8 I- i
           rec[pos] = d3;
3 L; g: C. w9 O) p3 @0 k            pos++;
/ n1 O* M6 Z3 f4 j4 [  G            goto mid;
! b+ W. C- l: S# k: s: `        }0 G- H3 |7 v7 M# D: a2 E
   }
8 u, f) F' q9 w8 D    else
/ ^5 y5 U0 P: A* x+ f    {# y+ |5 w2 R! h. y* H
       goto mid;
* D0 o6 D- i. H0 T' F  C  }; d    }1 r1 p! \. o. m
//sz = recv(s[cur],rec,2000,0);7 _( o6 k, _' O. C
   printf("%s\n",rec);
2 \( |' }+ s( U& \    while(rec[z]!=':')
# H8 v7 O. X& n0 d! j, h# B) n$ V    {
9 U$ A7 j% X3 t, P        z++;
' f4 T* H& D& z) a6 U  B        if(rec[z]==NULL || rec[z]=='\n')9 h3 }8 B5 L4 e5 R+ }" }+ u( M
       {7 E+ Y' ^( a5 w! n8 a! _% G! V
           closesocket(s[cur]);2 x- {% Y# f5 H/ C3 c/ X
           return 0;
# N4 D' z4 t0 q: g4 ~/ c  t        }
$ k1 p$ ^+ M+ L    }. G2 \$ G8 L, q# n
   z++;( t9 B0 W; D8 {0 L  ^3 G
   z++;
% P: U7 G2 {& ]: H# m- X    z++;
7 k6 A6 g! D+ p    int temp = 0;
6 a* J6 [5 T% l5 _) q0 F; d5 R& R; S    while(rec[z]!='/')0 v7 E5 Q, }! a8 C' D( j+ [
   {3 {9 ^! z/ Y1 w, @2 N- `) W- W
       host[temp] = rec[z];6 Y5 y- B( p. L, ?9 X* o
       z++;- G4 Q8 F8 X; E1 Y& `( z
       temp++;
9 u* ]3 N. y  |' W% l6 x% j7 l    }4 N2 T8 Z5 N* g/ S. A' |, J
   temp = 0;6 I4 C- s+ _% R5 j% M2 R& ]- L, s
   z=0;+ Y1 M( d3 ]. S# S0 r8 z: u1 g
   while(rec[z]!='h')* G! d& M& M5 D" q9 C
   {9 h. T/ L  f. s  y6 B
       sen1[temp] = rec[z];0 p, N1 }/ O* Z3 q2 [
       z++;# X0 V; w3 g9 S) z0 O( c5 q
       temp++;
# p6 p9 I& B7 o3 C- N    }3 K9 x" N7 ]1 p/ k: \+ L( t  Z
   z++;- Q: o7 r; z4 p$ p" j0 _1 i. k
   while(rec[z]!='/')
1 z  W! C% G1 F& g( b    {! v, f# d* h3 @$ ?0 N: E) K
       z++;3 C' N3 w& b  S) B- N' |
   }
9 X8 ^' P* B% P/ i    z++;
2 h9 s! Z6 z2 K- a! b; Z) [& S    z++;* h# h$ y, H5 E+ r/ Z
   while(rec[z]!='/')
  U. r& t3 }$ ]  E$ z! |  \- W. b    {& _4 M1 ]) }# f+ H) h
       z++;. B' m; N( z$ I: s% k
   }
0 Q0 z# {' J, @8 Y    while(rec[z]!=NULL)
! w0 N' t* V! P0 ?; E8 d    {: d. r: G+ U% q: |& k# w2 Y
       sen1[temp] = rec[z];  B' _% L6 F2 ]* E
       z++;8 _0 [+ ?5 S2 ?( e# ?  C* o
       temp++;6 X% b; B3 j3 q6 O
   }
# n" L4 P* k; k$ e; \: I7 h    PHOSTENT adr = NULL;* U$ ^; ^2 W/ O) d% _$ ^* U7 e- A+ \* o
   adr = gethostbyname(host);0 A2 c: |8 I9 `7 ~$ k* z
   if(adr==NULL)
0 P- F4 ]. X3 o  F: [1 o    {
* [% u& a* j/ D  j        send(s[cur],"Could not able to resolve host address",48,0);7 M% O" Y% C3 S& M, [2 x6 N
       closesocket(s[cur]);9 q9 S$ W3 H4 d
       DWORD ff;8 \. T, q# q: z0 U4 a
       GetExitCodeThread(han[cur],&ff);
5 [4 r6 Y+ F- \7 ~' i% J        ExitThread(ff);
5 B) ^1 U4 u1 v4 S# e3 N    }! f! y: C. _( o3 Q, x7 l: \3 u2 A
   SOCKET ss;
9 X7 d0 H/ L; a% o2 s    sockaddr_in dd;( k& `& c9 ?2 y% G3 B" Q+ r1 Y. e
   ss = socket(AF_INET,SOCK_STREAM,0);- U' x$ V/ s, q8 Y, m( N' ~3 `
   memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
2 A" U2 p2 |8 f    dd.sin_family = AF_INET;0 R* K9 x- S7 ^
   dd.sin_port = htons(80);
/ {7 h" s7 _9 P8 S' f# N    if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
2 ~( }" ?. k2 Y0 o    {
- G5 r) S$ n' @( K- f' Y7 V        send(s[cur],"Not able to connect to server",29,0);
3 P* I5 P* L# n3 [        closesocket(s[cur]);4 Q5 {( _" |  [# y0 z  T
       DWORD ff;
8 e  @' P2 B" ]. w( W8 ]" a. ?        GetExitCodeThread(han[cur],&ff);
9 L6 {2 q$ a5 o7 M7 e        ExitThread(ff);; B* z. {8 Q$ n8 u1 b; g6 Y. `
   }4 H" w: D8 T7 t0 _
   send(ss,sen1,sz,0);. g  ?2 `! m. s8 B* }0 C
   sz = recv(ss,rec,2000,0);
% z( w. q: g: X. y! u$ [' Z$ c    while(sz!=0)
3 V( }( q% R7 h) M    {
7 `( B% g7 {9 p# v        send(s[cur],rec,sz,0);+ v, o( a' q( W9 ~. h
       sz = recv(ss,rec,2000,0);7 u+ F9 |+ @+ G" f2 ~. N1 m
   }
' ]0 N+ `/ x. d) a! N1 H    closesocket(ss);
- Z3 Z& m" N$ v4 \5 `# k    closesocket(s[cur]);
0 m7 o5 ~8 B! C( |# m! ]% i, ]7 K6 I; n7 {2 u$ L3 C
   DWORD ff;8 C- v7 R6 X! ?+ J/ v, p
   GetExitCodeThread(han[cur],&ff);9 F1 x6 K: d- l3 {- a
   ExitThread(ff);
9 \& I# h1 n2 c: e    return 0;; b  p3 ?: \$ L. `
}3 z; k6 y# w2 b& f9 N  N% F8 X3 @4 F1 K
3 \3 \8 l8 \& Q8 E7 a/ F( d
void main()
" u" j! u) v/ W) {* |7 W! B{
6 ^+ \! e! ]& l+ `5 `    WSAStartup(MAKEWORD(1,1),&ss);9 {3 C% [( B, j: Z
   a = socket(AF_INET,SOCK_STREAM,0);' l+ i, B* j# i& X! c% A3 C8 f
   s1.sin_addr.s_addr = INADDR_ANY;
5 h8 W) @7 q% }+ w% e( C- e7 U    s1.sin_family = AF_INET;
# J0 c  p9 c8 q+ p/ @3 b  q/ T; ]    s1.sin_port = htons(2323);- |4 k( n$ M/ I7 E& i

$ o5 y0 k5 }) h. l; E3 [5 U    if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
& h5 I5 U5 E" H4 Z* a5 @; _    {6 i! l+ X$ @" Z) N1 t$ `4 |8 C+ _
       cout << WSAGetLastError();
7 L8 p4 s/ F/ b& W% O( ?    }
1 _2 b' Z9 D' C1 X+ V    if(listen(a,1)==SOCKET_ERROR)- }% X& b. Y% S. Q
   {
# F- m- {0 a+ x2 s1 P/ j        cout << "Error";: g$ K0 k8 ~. E3 Y, f% r
   }
& I5 Z+ U( b  C: M- O, [    int sz = sizeof(s2);
! o7 C" x! r$ q* x- u    goto re;
$ p) A; |  E( vre:
# H$ |* C- D. Q3 R0 ]' B* H  t) ~    s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
! {  K8 S3 |- y. P    ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);  o) P' J4 ?. S8 V
   Sleep(500);
- b. j# b6 i1 S/ o6 |+ Y    if(pos==100): p% N% K5 ~6 v0 K" p
   {5 D7 A; _6 \; ~  X/ c% q
       pos=0;
* ^  q, v) z! N) B1 {    }
" V! x( F. D& R$ l2 F- d    else" V* f% ?5 K" G' k
   {
$ \8 q4 S+ ]. [) b        pos++;# b9 y7 `( v2 N
   }, x! f& v4 F/ T( _) e& Z
goto re;
, s6 s/ L, I2 _7 v5 \0 t}
8 D( |8 o/ F% S( C, R//=======================================
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