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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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: |8 @# w* G+ `9 f+ K+ f//sock.cpp
3 B. ~# E d0 T0 a#include<winsock.h>& g& `$ U6 E* U4 n
#include<windows.h>
) ~. {# N b9 }# i5 Z v A6 L#include<iostream.h>3 b! Y! t1 k% E
#include<stdio.h> Q# e$ e+ ^% w, t, [* i. H/ {
* a. g' z- \8 }1 V4 n; ?5 }; a. o
WSADATA ss;
3 E4 G0 @, L: q2 LSOCKET a,s[100];
0 x+ O# K3 _6 d' ~/ o" [$ p# R+ usockaddr_in s1,s2;
# ^ o7 o* r, L- ^3 i( Nint pos;% q; M) B: P# @
unsigned long id;
& ^7 k8 M4 e) f# T0 c% XHANDLE han[100];
2 Q& Q( u5 _% J
1 @3 T1 V. G3 j. H+ uDWORD WINAPI thread(( f6 t% u- Y7 \& ?
LPVOID lpParameter // thread data
7 w& m2 y8 `; l% g)
* J3 O V- m: l" D' L6 K A{9 u+ x: D- }( c7 d+ P( O
int cur = pos;9 P' C0 E W9 m9 O {/ t- C [9 J: |$ n6 Q
int sub = 0;
/ ~' z$ P' k& R) M7 t ?5 a3 H char rec[20000];
6 _3 d9 O' y/ V+ `2 g* s6 W7 T char host[100];& ]" Q) `- H$ I
char sen[20000];
) S* N$ A# G0 J, F1 n char sen1[20000];
$ {; k/ w* s+ j3 @8 G for(int z=0;z<20000;z++)
- U' ^/ Z3 T0 h! t8 G! z9 I% i {0 ? }) ]' {$ b
rec[z]=sen[z]=sen1[z]=0;
* L0 _; i: t! R O7 ?6 ^3 B0 ]! k host[z]=0;' g, n, M- b8 ^/ I
}$ Y3 f8 L( U; f/ O& Z8 M
z = 0;* v4 r: B) t7 q5 \9 s4 i6 y' Q
int sz;( E x3 \* l* Y" U: N0 H) Q' N
int pos = 0;
6 w$ H/ x) M+ O$ Y& {! B char d1='A',d2,d3;
8 t3 H! p5 I8 v* t" G3 j Q7 s* ] goto mid;3 ?5 l9 D$ e: Y* U" \% X- @
mid:* m8 t( g# _% g R; |* t( P
recv(s[cur],&d1,1,0);% y+ w9 f5 j: M5 J( S5 D* M
rec[pos] = d1;, S- a. C+ z2 d
pos++;1 ?) K4 D) [& M* m6 z- |
if(d1=='\n')$ c# }' n# [1 Z0 C& K
{# J/ f6 {# |3 k8 h N
recv(s[cur],&d2,1,0);! c. r' l: @% r
recv(s[cur],&d3,1,0);
5 b' T# U7 O, v+ V if(d2=='\r' && d3=='\n')8 Z* I% m- e. p: D; ^0 I
{7 R4 U1 ~9 a' ] Q
rec[pos] = d2;
. Z& C9 @7 l- J9 U$ y pos++;
# F- b* m5 ?2 U B rec[pos] = d3;" ^' e' s' a% h7 ?( h4 |
sz = pos;8 z$ r1 [6 p$ z3 f6 } w
rec[pos+1]=NULL;3 V! L/ F# D! s; D& }& f. \
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else
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rec[pos] = d2;2 \9 L; d: A( k/ W* S7 t) P) v3 J6 g
pos++;" H: L Y4 N5 v% f
rec[pos] = d3;% n* z; z3 B' C* F9 G
pos++;
+ S$ [" [% a# b* F5 s: J1 A goto mid;- h' H1 ]7 `: |, g$ O
}
2 Q# g. {4 w1 M }
$ R3 d& p H+ T. X else
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goto mid;' c L# l' @9 }! Z
}! g. k4 G o. G! `; M
//sz = recv(s[cur],rec,2000,0);
+ g) j! p1 U# I$ [) X1 u& X" o printf("%s\n",rec);% J' x( V3 {' T2 d
while(rec[z]!=':')
9 I; Q! X8 t1 L {
$ N) q* z% X# e" s5 g0 b z++;" S5 m: T7 L7 k- S- Z7 k9 w
if(rec[z]==NULL || rec[z]=='\n')9 w0 a* V! A% w, G; Y' z3 b
{$ j* l& Z8 k+ s$ c- o8 l k+ q
closesocket(s[cur]);
2 A/ e% A \$ R+ o% L# _5 B# l return 0;
% R) G( g# O. v }
6 @& u! ~; f/ g" q }& D Z6 [# Q# n, w* a6 K$ |
z++;9 _; D; t/ m5 |: E
z++;/ B9 y' B% B6 f
z++;
0 P# `5 X0 ^' a# c# g( k: R2 J int temp = 0;
! I0 u* D. a. ~ while(rec[z]!='/')
& y7 d5 ~# S2 R# S {6 |* c1 ~) }/ {
host[temp] = rec[z];
) M1 T: v6 `2 X3 y9 ~1 J z++;
& m' a) g- p* z7 Q( d2 C. a) R5 H temp++;: v k7 S W7 Y8 i& {
}
) b' U, q% i1 J9 c* |# _ temp = 0;& c1 M! W& ~! k6 c( g/ S3 m
z=0;5 d4 g* J% |. z& Y: K$ v1 c3 g
while(rec[z]!='h')% D: s# T# f/ ^! _
{
6 N& U6 x$ H. ]# n4 {3 j sen1[temp] = rec[z];* @: d9 `# \/ G9 F7 C Z
z++;3 U" a( Y$ [( ~' m( p. O
temp++;# u- b8 r/ d! S2 I6 A
}# O* a. `0 d1 D6 R! h7 s
z++;# a. u9 s2 l' {4 M: E
while(rec[z]!='/')
3 f4 b( r( n2 |" R/ j {# z, Y+ G8 @+ I) M0 D% u* [
z++;
& Q& s- i- Y5 e) \0 [5 { }
) a* v' L& ~% [ z++;
7 k+ R/ ?" z5 } z++;
8 j" _5 ^ O, t5 K' q ~ while(rec[z]!='/')
* k8 ]0 Q- p: B+ U5 ^# X1 c w {
$ H% t. V$ w# z$ A z++;
9 L6 }8 u# V# M4 k }
4 G8 N5 J |* Y( |; b3 \; V! u; E while(rec[z]!=NULL)
# |* g1 r0 m# _0 W* c {
% @$ i0 e# e* [! F9 F5 [4 e! K8 s sen1[temp] = rec[z];
- K1 {9 F Y& {& L z++;9 \& T; w" g1 t) m) T& t
temp++;! A" H2 F& T9 E7 B) N7 a
}) @( S' C5 o7 F# o" w$ ~) J9 _2 |
PHOSTENT adr = NULL;
: J. Z% j# R. O adr = gethostbyname(host);
- W6 w$ T2 ]# _& S if(adr==NULL)
; l+ Y- `0 ~' ^) \. u9 Y( R$ w {
$ o! X4 X7 [5 a& A0 N send(s[cur],"Could not able to resolve host address",48,0);
- m! W' a( U+ ]9 {/ I$ ?4 n, ^ closesocket(s[cur]);) [* q! m5 |5 K' S# j" m1 \ P
DWORD ff;* r* l* X7 C. p0 q- p
GetExitCodeThread(han[cur],&ff);2 G7 ?/ n" l- t; [6 x' B
ExitThread(ff);
# H7 a; j7 |. j* U }
" e- `0 O `% @6 l- e SOCKET ss;
( G; ^3 L6 A. P& ] sockaddr_in dd;
8 ~7 @: i- B6 \. P" C( L! u ss = socket(AF_INET,SOCK_STREAM,0);
* V% j0 Q' S4 y6 |+ H memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
3 u1 c+ O; @# r0 m, P- o dd.sin_family = AF_INET;
6 l4 P/ p2 N7 ?/ l& H# ? dd.sin_port = htons(80);
: F8 f z' o5 W$ R# S. R if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)6 f' w' {. ~/ `) c# a
{
- h1 U2 ~% k+ n$ e send(s[cur],"Not able to connect to server",29,0);
* ?! \8 \/ W) W closesocket(s[cur]);# Z6 r1 O* D. P9 d2 W
DWORD ff;2 Y( F! p0 `) A% a& R
GetExitCodeThread(han[cur],&ff);" h9 B$ @! t, Y$ U
ExitThread(ff);
2 A0 L% m! O: X# f& D& X }7 E- F. C2 U. V. D7 s
send(ss,sen1,sz,0);
$ I/ |% A. I, H6 {: z3 S sz = recv(ss,rec,2000,0);
. X) I9 ]9 k4 r% E1 O6 b1 ]/ s while(sz!=0)
, A+ J+ n1 R6 W! S4 }) @% @! u" l {
( u. y. s4 L. T5 y+ b: @/ R send(s[cur],rec,sz,0);
+ ], z) k' t" @ sz = recv(ss,rec,2000,0);4 ]5 e4 U/ }- I- Z) c! M
}
" l( d" M6 A" P# m closesocket(ss);
& q8 g s: W4 @! n closesocket(s[cur]);4 b$ k E7 t( p$ P3 p" C& P
! f- n$ y- e+ ?4 ^' d; T3 _ DWORD ff;
2 ?4 e% r6 a- Y) U9 E GetExitCodeThread(han[cur],&ff);
: v* s* B; ~8 A# W* M ExitThread(ff);
! v$ [. ^* c3 P! J7 ]$ c' \' M& P return 0;
, Q8 c: M3 _! x& r/ e( q7 m}
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7 v0 d0 b7 R: b$ ?3 Zvoid main()
+ ~) Y$ \1 u3 D, u! \3 c! ~{5 x2 h7 T7 K0 ~6 Y+ ]/ s8 D2 a" \
WSAStartup(MAKEWORD(1,1),&ss);
6 c' T# y8 c( w$ q X4 ]3 G a = socket(AF_INET,SOCK_STREAM,0);- `) {4 K1 K. Z
s1.sin_addr.s_addr = INADDR_ANY;1 A! j3 O: {# B! y* M h% v7 U) W
s1.sin_family = AF_INET;8 Q! h! O% s) p, c2 L( p" ^
s1.sin_port = htons(2323);% @( U* }9 ?: y' t4 ^
" ~ g: {6 R! y, h& |1 R if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
3 j9 o9 r8 A0 Y* B9 i {( |6 n7 f$ [" L- y
cout << WSAGetLastError();: R5 l8 f6 J# R. |" C& e
}
9 E( a h) P/ g, @3 H& ^+ ^ if(listen(a,1)==SOCKET_ERROR)
( z) j6 T6 \8 x9 K, Z {6 U+ E' ^+ n2 F- ^& l0 U# R% ~5 F
cout << "Error";2 I' c" z, C' h$ J
}
% q" Q- @' _5 s1 O int sz = sizeof(s2);
0 o; R3 ^1 H3 w goto re;
" u$ `- k2 U0 q/ f$ Xre:5 Y5 l" {( ` r9 I' J: I. B% Q h
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);+ `$ U/ W& ?* Z3 _9 B% r
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);- `( I$ O5 W7 ?! m: Y) Y* e* a
Sleep(500);# `' I b$ H1 \0 l/ Y" K+ R
if(pos==100)
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pos=0;
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else& h( k; z8 W3 t3 F# s+ L# l7 B
{
/ K& p& w/ s2 ?9 `5 G pos++;- ^, I/ Y; o0 I5 r* i7 z) s7 g; H' ~
}
1 S# Y& X2 W3 A/ x$ T5 G# Y2 qgoto re;9 u. u4 k' [2 m
}
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