|
|
这是一个简单的HTTP 代理VC++源代码你可能参考一下:
* r* H( [: b0 P; K" R% f, c//======================================
6 @/ @# o& t/ u% |9 P; Z+ J+ d/ z% `//sock.cpp
/ v0 o4 q6 c5 y( E% P#include<winsock.h>
' e! a4 w2 N. X5 W#include<windows.h>+ B1 y7 ~2 e1 z( b/ R: ]
#include<iostream.h>
- k6 X# O1 G7 ^6 c5 C. k#include<stdio.h>
4 L) L0 t7 i- b5 u3 w* l$ @( M* N6 e4 M g3 W( o" i- g
WSADATA ss;
, {" ^- h+ A5 fSOCKET a,s[100];& Z- v* W4 a; J6 S& P& J
sockaddr_in s1,s2;4 b5 M9 g5 \: K7 x
int pos;
' X [5 \" k6 G6 |unsigned long id;
- T9 F8 e9 L+ ?0 z9 BHANDLE han[100];
* M/ d4 `: r2 Q* ]' ^
+ M& y1 z9 ?( i% ^4 @. {DWORD WINAPI thread(* J" s; z. n5 L
LPVOID lpParameter // thread data
7 k0 w. D' S4 Z$ ]9 \/ O)) k" K% y. Q( i: ?! {' ]
{
" u$ R; o1 q& C% D+ \- c2 {- x int cur = pos;& o4 T8 D) @! c' O+ H
int sub = 0;
; Z8 w: @9 ] k char rec[20000];" |" H' a2 c6 o; M1 }3 Z# ^5 G
char host[100];8 s+ g8 `- Z! D
char sen[20000];
5 z& Y# y0 p: ]+ @3 c! k char sen1[20000];
9 k0 W( f0 B( c0 p1 t4 R for(int z=0;z<20000;z++)& k! D+ K4 ]( o9 O* t- W$ z2 g' D
{
$ l2 T* ~, d- J$ o$ j5 n rec[z]=sen[z]=sen1[z]=0;
- L9 I7 v' }2 P1 w d# ]6 z* o% h host[z]=0;
) }: a- o( Q; V2 W/ p }
9 O: |, H' G( Z1 ?2 j* b5 G z = 0;% s* q& i1 z8 ]9 r
int sz;
2 q2 K7 x' ?* }# N7 [. p/ M" ^ int pos = 0;
- r6 M8 f7 z7 T char d1='A',d2,d3;
# s, C. _# F. F/ `5 X b goto mid;
& b. \9 ~- A" | Pmid:
- c' H, @6 H1 C' L recv(s[cur],&d1,1,0);% f- n0 z) t0 ?0 D
rec[pos] = d1;$ } {9 b t6 k; K- k! c
pos++;% h0 [7 M+ e R! e w4 p( i
if(d1=='\n')
) R+ |) ]0 t( f8 i4 q* p {9 j8 Q0 d6 y) V; j: p
recv(s[cur],&d2,1,0);1 G" k! c* G b' e; e! W5 A
recv(s[cur],&d3,1,0);9 g" o2 v% J F& l6 d I# s
if(d2=='\r' && d3=='\n'), { J8 S. N; K( v7 `( B# n& S
{# N7 V) S5 C' h; l' C/ L
rec[pos] = d2;, t+ d/ I9 ]1 B5 ?/ i+ w( x& m
pos++;
& {( X7 v* ]8 [6 Y rec[pos] = d3;0 J$ P) \0 {4 q/ e
sz = pos;
|: E4 l& D5 [2 d5 E2 B1 E rec[pos+1]=NULL;' D% |; h" R6 b) w3 i, h {
}' x& ~" {# A4 j8 ], G1 G
else) [- _: e$ t5 ~) ~
{
C& O l8 Z* ]/ G6 @8 T rec[pos] = d2;& E2 h( P6 G0 `$ v6 Q
pos++;3 |0 S9 x6 R$ K: v- `4 D
rec[pos] = d3;
+ X& t5 z5 P# D( l/ D7 {% w6 H pos++;
& b0 A8 W& {7 }, K goto mid;+ l5 p" U" v6 c2 H5 R
}
3 d$ \0 H, y1 I3 n2 f- P" n+ J }* N; A+ t# e* ~! s# O a/ D; M7 K
else* Z* w8 ?, X) d! u& ~) G
{+ u' D, g) [ o7 f) M( A( b
goto mid;( t* c- v; @% ~; i' c' E7 e% d2 N
}
) P2 ?8 v$ j5 z: f1 G//sz = recv(s[cur],rec,2000,0);
# \( T" Q+ w7 R7 r2 @. z printf("%s\n",rec);0 d, a) |! \, T7 m3 ]3 z |- D
while(rec[z]!=':')$ D1 u" ^ s9 P, {
{0 @9 x% y* n0 b4 h
z++;
# u6 ], ]6 N+ n) k9 ^; { if(rec[z]==NULL || rec[z]=='\n')
5 l( @2 l# E, m$ c* G ]$ `. n {9 u+ p5 c4 T* b5 O/ G2 X
closesocket(s[cur]);, y) y9 R4 A+ n
return 0;) ], {1 a# L" M( _
}
S) t6 Z" Y, m/ f) _- [' t' E }
) E6 a5 k. Z% @" R# ~ z++;' E; M- z0 L3 M' {0 f: F! Y0 d
z++;
( p% Q1 i5 _' B/ ?1 l: Y z++;& u! ]4 v5 E/ K& l
int temp = 0;
) J" y, `* g" [. L" K while(rec[z]!='/')) b' ~& j8 p, T6 w# Y) ]& _: q' Y
{' u8 P, t) t% _+ D
host[temp] = rec[z];" S: O8 H( ^1 M8 d7 W
z++;, e) ^. A0 X$ f/ l& M3 C
temp++;/ K5 o9 f9 C5 R( ?. X- Q
}+ @- q5 B) A6 T& j$ t+ b
temp = 0;
' x9 C& R7 \: J% V z=0;9 [+ \3 _. @5 e3 l
while(rec[z]!='h')
" y0 S4 a3 a. h0 J. b9 J; r5 b) r9 r {
. q( a/ a2 L: z' h sen1[temp] = rec[z];
8 z- q- N" \8 ?) K4 m+ F2 ] z++;- h- Z: h3 w+ p& h7 ]3 _3 Q! M
temp++;( ?$ X8 D' b6 G- @
}
& }4 @9 R, S% s4 _4 A3 p7 ~ z++;
" \" I7 s8 L$ T5 G$ k( Y0 w( Y while(rec[z]!='/')
, o2 @. Q* C% W/ s {! S4 E {4 t9 o1 { I' i3 A
z++;
4 e6 @- ]0 x: k2 @0 k2 V5 X }
p2 O2 f5 w4 I. f7 Y z++;8 _# O( n* U* p- I9 K' X8 a
z++;' j+ J @5 ?9 a; m
while(rec[z]!='/')0 k6 A. C, p' A+ X
{
. p9 R7 L6 s( j7 b4 v, Y2 _0 f# y z++;: b" y- i* i: b9 l
}" k. |; t! e* m3 a+ [& F: G
while(rec[z]!=NULL): u, ]2 O4 Q) C
{
2 e& h4 p3 O5 o" @- M sen1[temp] = rec[z];
: q& K+ c+ l% {" c* I4 h z++;
2 i, o" \6 b0 R' e temp++;: ^7 j* M5 D3 {
}; r) D& Y) }# u9 Q; L- u& b
PHOSTENT adr = NULL;
4 h# U9 t% z2 z: ?9 l4 @) L2 z adr = gethostbyname(host);
4 h1 `9 y( R5 j% z if(adr==NULL)! I1 p( r- W) F. W) F! {' A
{3 Z. s4 f& I3 Y
send(s[cur],"Could not able to resolve host address",48,0);
6 n% R& P+ u. Z- a/ R- U% W. e. k closesocket(s[cur]);4 l& u2 G" c7 {( {: |( U3 j
DWORD ff;
4 b9 Z Q1 m+ f/ h& ? GetExitCodeThread(han[cur],&ff);# L# \$ a6 X+ s0 _! |; O( s
ExitThread(ff);4 K: u( t) ?# c7 [3 H
}9 f) Y9 @$ V0 I$ O- \' i" s# t! a$ E
SOCKET ss;
5 x. ]5 w5 L1 n5 I3 D* J sockaddr_in dd;
' }* v) P* K" A1 S ss = socket(AF_INET,SOCK_STREAM,0);% j0 \3 V7 b- `; `5 N1 W& H
memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);" x# S/ G1 {9 Y. R
dd.sin_family = AF_INET;# z/ S1 @% ]# q
dd.sin_port = htons(80);& c5 W1 t$ T, s8 z# B2 J; c; Z$ k
if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)' y; Y5 h. H/ a
{* z, h! }0 B# Z1 b+ U0 t" N
send(s[cur],"Not able to connect to server",29,0); v6 b" A) \8 ]* R& p( G% F3 v
closesocket(s[cur]);
2 @) i, {' X% I! B3 O2 e0 w DWORD ff;2 v. N, Y* w- J1 ?: n* [$ l% ]
GetExitCodeThread(han[cur],&ff);- h4 e+ ]& S- f% T' h4 f7 C. X; l
ExitThread(ff);
3 T3 e+ G, |5 H+ m$ O! V }
) G2 a- q! `: `, u8 A. m0 C$ P. S/ h send(ss,sen1,sz,0);7 a- x1 r8 O$ V( Q q4 U
sz = recv(ss,rec,2000,0);! Z W& c3 p7 U t M N, A7 j1 i: M
while(sz!=0)
- r. b7 N5 c1 w- C$ u' } {3 {' E" g$ Z' K$ F5 _
send(s[cur],rec,sz,0);! D; Y0 E8 {! b, s- Y/ Q
sz = recv(ss,rec,2000,0);# n* B4 @' x6 C8 r' F
}9 ^& G) h1 T$ [
closesocket(ss);9 S: i& ]/ A" a; w) a
closesocket(s[cur]);2 ]+ Z, c- k; b. |
: v" d, N* b" B8 \4 o; |! w
DWORD ff;
# E+ n2 Z: e( h7 l" p' A% \ GetExitCodeThread(han[cur],&ff);- T0 t R2 K6 U. k- z
ExitThread(ff);5 |, ~; T, r5 ]" O$ T5 L3 K
return 0;
2 H* ^; c: y1 d' Z* N6 C6 O}* w4 U: a% [& e. H2 O
( H3 ]1 F7 x* A- M9 \4 `
void main()$ |# {" K. \, ]( N6 p
{3 J7 Y. ^5 U5 N0 a
WSAStartup(MAKEWORD(1,1),&ss);
. |# ]& N/ D: W( l3 V a = socket(AF_INET,SOCK_STREAM,0);' ?6 q" M! `0 ^' v1 n: H% f
s1.sin_addr.s_addr = INADDR_ANY; g; |2 \+ K% ^% J6 U: n J5 x$ \. b B
s1.sin_family = AF_INET;
% y( v; r) A! T' L0 X; H9 c/ G: d s1.sin_port = htons(2323);6 {- b) A5 c( m; Z# I2 e6 w/ b
- y8 A+ f& e. f1 p
if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
3 R( e+ n( n5 X1 t' ^ {
+ Z& g+ F+ ?+ N. N" I cout << WSAGetLastError();& y1 G) h& u# Y8 l; [2 W
}5 P6 a! ~/ p+ O6 V; |0 u* ?
if(listen(a,1)==SOCKET_ERROR)4 h' C; R) v4 O
{: S8 M0 q* h# P+ p
cout << "Error";, R% l5 ]6 J- S3 S6 n+ Z# F% y: o
}
]; l" ]+ x" l( p% `9 N int sz = sizeof(s2);" ]8 d( @- \1 G6 u$ s( n/ U
goto re;* {* E* I2 A3 J/ y' W
re:7 @7 H! O7 R1 s4 q; p
s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);2 ]. _+ z1 i7 Z; l: F
::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);' I9 Q0 L" G* \7 @0 B r
Sleep(500);
' T# U% L w& S! d9 `$ w if(pos==100)2 q o1 ?1 Z k& |; m) M, |
{
, `, r% @) [* J1 I( D! M& e$ }$ ` pos=0;
+ |( V) V' `5 [3 e }
' N7 a, W5 E$ j8 r! d9 @. F else8 J. P8 S! A# w" ]8 n ^, w" Y& v
{
7 L; n8 Q! D) B pos++;" n8 C9 ]9 a4 G$ C, f4 \+ Y
}/ \( a" t7 S$ r- i5 X
goto re;
3 ]8 H% O, J9 D. {: s% f1 o. |9 K}
4 C$ Y6 t! W4 y% ]2 u//======================================= |
|