📄 用c语言编写一个网络蜘蛛来搜索网上出现的电子邮件地址.mht
字号:
=D3=CA=BC=FE=B5=D8=D6=B7=A1=A3<BR><BR>=B5=B1=C8=BB=D5=E2=D6=BB=CA=C7=D2=BB=
=B8=F6=D4=AD=C0=ED=D5=B9=CA=BE=B3=CC=D0=F2=A3=AC=B2=A2=C3=BB=D3=D0=BD=F8=D0=
=D0=D3=C5=BB=AF=A1=A3<BR><BR>=D5=E2=B8=F6=B3=CC=D0=F2=B5=C4=20
main =
=BA=AF=CA=FD=C1=F7=B3=CC=CD=BC=C8=E7=CF=C2=A3=BA<BR><IMG =
onmousewheel=3D"return imgzoom(this);"=20
onmouseover=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; =
this.style.cursor=3D'hand'; this.alt=3D'Click here to open new =
window\nCTRL+Mouse wheel to zoom in/out';}"=20
onclick=3D"if(!this.resized) {return true;} else =
{window.open('http://zhoulifa.bokee.com/inc/mails1.png');}"=20
alt=3D"" src=3D"http://zhoulifa.bokee.com/inc/mails1.png"=20
onload=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; this.alt=3D'Click =
here to open new window\nCTRL+Mouse wheel to zoom in/out';}"=20
=
border=3D0><BR>=BC=B4=A3=BA=B7=D6=CE=F6=B3=CC=D0=F2=D4=CB=D0=D0=CA=B1=B5=C4=
=B2=CE=CA=FD=A3=AC=B0=D1=B8=F7=CD=F8=D2=B3=B5=D8=D6=B7=D7=F7=CE=AA=B8=F9=BD=
=DA=B5=E3=BC=D3=C8=EB=B5=BD=C1=B4=B1=ED=A3=AC=C8=BB=BA=F3=B4=D3=C1=B4=B1=ED=
=CD=B7=BF=AA=CA=BC=B4=A6=C0=ED=B8=F7=BD=DA=B5=E3<BR><BR>=B6=D4=D5=FB=B8=F6=
=C1=B4=B1=ED=B5=C4=B4=A6=C0=ED=CA=C7=CF=C8=B4=A6=C0=ED=D0=D6=B5=DC=BD=DA=B5=
=E3=A3=AC=C1=F7=B3=CC=CD=BC=C8=E7=CF=C2=A3=BA<BR><IMG=20
onmousewheel=3D"return imgzoom(this);"=20
onmouseover=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; =
this.style.cursor=3D'hand'; this.alt=3D'Click here to open new =
window\nCTRL+Mouse wheel to zoom in/out';}"=20
onclick=3D"if(!this.resized) {return true;} else =
{window.open('http://zhoulifa.bokee.com/inc/mails2.png');}"=20
alt=3D"" src=3D"http://zhoulifa.bokee.com/inc/mails2.png"=20
onload=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; this.alt=3D'Click =
here to open new window\nCTRL+Mouse wheel to zoom in/out';}"=20
=
border=3D0><BR><BR>=C8=BB=BA=F3=D4=D9=B4=A6=C0=ED=B8=F7=BD=DA=B5=E3=B5=C4=
=D7=D3=BD=DA=B5=E3=A3=AC=C1=F7=B3=CC=CD=BC=C8=E7=CF=C2=A3=BA<BR><IMG=20
onmousewheel=3D"return imgzoom(this);"=20
onmouseover=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; =
this.style.cursor=3D'hand'; this.alt=3D'Click here to open new =
window\nCTRL+Mouse wheel to zoom in/out';}"=20
onclick=3D"if(!this.resized) {return true;} else =
{window.open('http://zhoulifa.bokee.com/inc/mails3.png');}"=20
alt=3D"" src=3D"http://zhoulifa.bokee.com/inc/mails3.png"=20
onload=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; this.alt=3D'Click =
here to open new window\nCTRL+Mouse wheel to zoom in/out';}"=20
=
border=3D0><BR>=B5=B1=C8=BB=A3=AC=D5=E2=C0=EF=B2=C9=D3=C3=C1=CB=B5=DD=B9=E9=
=B5=F7=D3=C3=B7=BD=B7=A8=A3=AC=B4=A6=C0=ED=D7=D3=BD=DA=B5=E3=B5=C4=CA=FD=BE=
=DD=CA=B1=BA=CD=B4=A6=C0=ED=D5=FB=B8=F6=C1=B4=B1=ED=D2=BB=D1=F9=D1=AD=BB=B7=
=B4=A6=C0=ED=BE=CD=CA=C7=C1=CB=A1=A3<BR><BR>/************=B9=D8=D3=DA=B1=BE=
=CE=C4=B5=B5********************************************<BR>*filename:=20
=D3=C3 C =
=D3=EF=D1=D4=B1=E0=D0=B4=D2=BB=B8=F6=CD=F8=C2=E7=D6=A9=D6=EB=C0=B4=CB=D1=CB=
=F7=CD=F8=C9=CF=B3=F6=CF=D6=B5=C4=B5=E7=D7=D3=D3=CA=BC=FE=B5=D8=D6=B7<BR>=
*purpose: =
=D2=BB=B8=F6=D3=CA=D6=B7=CB=D1=CB=F7=B3=CC=D0=F2=B5=C4=B3=FB=D0=CE<BR>*wr=
ote by:=20
zhoulifa(<A =
href=3D"mailto:zhoulifa@163.com">zhoulifa@163.com</A>)=20
=D6=DC=C1=A2=B7=A2(<A href=3D"http://zhoulifa.bokee.com)/"=20
=
target=3D_blank>http://zhoulifa.bokee.com)/</A><BR>Linux=B0=AE=BA=C3=D5=DF=
Linux=D6=AA=CA=B6=B4=AB=B2=A5=D5=DF=20
SOHO=D7=E5 =BF=AA=B7=A2=D5=DF =
=D7=EE=C9=C3=B3=A4C=D3=EF=D1=D4<BR>*date time:2006-08-31 =
21:00:00<BR>*Note:=20
=
=C8=CE=BA=CE=C8=CB=BF=C9=D2=D4=C8=CE=D2=E2=B8=B4=D6=C6=B4=FA=C2=EB=B2=A2=D4=
=CB=D3=C3=D5=E2=D0=A9=CE=C4=B5=B5=A3=AC=B5=B1=C8=BB=B0=FC=C0=A8=C4=E3=B5=C4=
=C9=CC=D2=B5=D3=C3=CD=BE<BR>*=20
=
=B5=AB=C7=EB=D7=F1=D1=ADGPL<BR>*Hope:=CF=A3=CD=FB=D4=BD=C0=B4=D4=BD=B6=E0=
=B5=C4=C8=CB=B9=B1=CF=D7=D7=D4=BC=BA=B5=C4=C1=A6=C1=BF=A3=AC=CE=AA=BF=C6=D1=
=A7=BC=BC=CA=F5=B7=A2=D5=B9=B3=F6=C1=A6<BR>******************************=
***************************************/<BR><BR>=B3=CC=D0=F2=D4=DA=D4=CB=D0=
=D0=B5=C4=B9=FD=B3=CC=D6=D0=D2=AA=BD=A8=C1=A2=D2=BB=B8=F6=CA=F7=D0=CE=C1=B4=
=B1=ED=BD=E1=B9=B9=A3=AC=BD=E1=B9=B9=CD=BC=C8=E7=CF=C2=A3=BA<BR><IMG=20
onmousewheel=3D"return imgzoom(this);"=20
onmouseover=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; =
this.style.cursor=3D'hand'; this.alt=3D'Click here to open new =
window\nCTRL+Mouse wheel to zoom in/out';}"=20
onclick=3D"if(!this.resized) {return true;} else =
{window.open('http://zhoulifa.bokee.com/inc/mails4.png');}"=20
alt=3D"" src=3D"http://zhoulifa.bokee.com/inc/mails4.png"=20
onload=3D"if(this.width>screen.width*0.7) =
{this.resized=3Dtrue; this.width=3Dscreen.width*0.7; this.alt=3D'Click =
here to open new window\nCTRL+Mouse wheel to zoom in/out';}"=20
=
border=3D0><BR><BR>=B3=CC=D0=F2=C6=F4=B6=AF=CA=B1=B7=D6=CE=F6=CB=F9=B4=F8=
=B2=CE=CA=FD=A3=AC=B0=D1=B8=F7=B2=CE=CA=FD=BC=D3=C8=EB=B5=BD=B8=F9=CD=F8=D2=
=B3=BD=DA=B5=E3=A3=AC=C8=E7=B9=FB=D3=D0=B6=E0=B8=F6=B2=CE=CA=FD=D4=F2=D5=E2=
=B8=F6=B8=F9=CD=F8=D2=B3=D3=D0=D0=D6=B5=DC=BD=DA=B5=E3=A1=A3<BR>=C8=BB=BA=
=F3=B4=D3=B8=F9=BD=DA=B5=E3=BF=AA=CA=BC=B4=A6=C0=ED=D5=E2=D2=BB=BC=B6=C9=CF=
=B8=F7=BD=DA=B5=E3=A3=AC=B0=D1=B8=F7=BD=DA=B5=E3=CD=F8=D2=B3=C9=CF=B3=F6=CF=
=D6=B5=C4=CD=F8=D2=B3=C1=B4=BD=D3=BC=D3=B5=BD=B8=C3=BD=DA=B5=E3=B5=C4=D7=D3=
=BD=DA=B5=E3=C9=CF=A3=AC=B4=A6=C0=ED=CD=EA=B5=B1=C7=B0=D5=E2=D2=BB=BC=B6=BA=
=F3=B4=A6=C0=ED=D7=D3=BD=DA=B5=E3=D5=E2=D2=BB=BC=B6=A1=A3<BR><BR>=D4=B4=B4=
=FA=C2=EB=C8=E7=CF=C2=A3=BA<BR>[code]<BR>#include=20
<sys/types.h><BR>#include =
<sys/stat.h><BR>#include=20
<fcntl.h><BR>#include <sys/mman.h><BR>#include=20
<unistd.h><BR>#include <stdio.h><BR>#include=20
<string.h><BR>#include <stdlib.h><BR>#include=20
<netdb.h><BR>#include <errno.h><BR>#include=20
<locale.h><BR><BR>#define USERAGENT =
"Wget/1.10.2"<BR>#define=20
ACCEPT "*/*"<BR>#define ACCEPTLANGUAGE =
"zh-cn,zh;q=3D0.5"<BR>#define=20
ACCEPTENCODING "gzip,deflate"<BR>#define ACCEPTCHARSET=20
"gb2312,utf-8;q=3D0.7,*;q=3D0.7"<BR>#define KEEPALIVE =
"300"<BR>#define=20
CONNECTION "keep-alive"<BR>#define CONTENTTYPE=20
"application/x-www-form-urlencoded"<BR><BR>#define =
MAXFILENAME=20
14<BR>#define DEBUG 1<BR><BR>typedef struct webnode =
{<BR> =20
char * host; =
=20
/* =
=CD=F8=D2=B3=CB=F9=D4=DA=B5=C4=D6=F7=BB=FA */<BR> =20
int port; =
=20
/*=20
=
=CD=F8=C2=E7=B7=FE=CE=F1=C6=F7=CB=F9=CA=B9=D3=C3=B5=C4=B6=CB=BF=DA =
*/<BR> char * dir; =20
=
=20
/* =CD=F8=D2=B3=CB=F9=D4=DA=B5=C4=C4=BF=C2=BC =
*/<BR> char *=20
page; =
=20
/* =CD=F8=D2=B3=CE=C4=BC=FE=C3=FB =
*/<BR> char *=20
file; =
=20
/* =
=B1=BE=B5=D8=B1=A3=B4=E6=B5=C4=CE=C4=BC=FE=C3=FB */<BR> =
char=20
IsHandled; =20
/* =CA=C7=B7=F1=B4=A6=C0=ED=B9=FD =
*/<BR> struct=20
webnode * brother; /* =
=D0=D6=B5=DC=BD=DA=B5=E3=C1=B4=B1=ED=D6=B8=D5=EB */<BR> =20
struct webnode * child; =
/*=20
=D7=D3=BD=DA=B5=E3=C1=B4=B1=ED=D6=B8=D5=EB */<BR>} =
WEBNODE;<BR><BR>struct sockaddr_in=20
server_addr;<BR>int sockfd =3D 0, dsend =3D 0, totalsend =3D =
0, nbytes =3D=20
0, reqn =3D 0, i =3D 0, j =3D 0, ret =3D 0;<BR>struct =
hostent *host;<BR>char=20
request[409600] =3D "", buffer[1024] =3D "", =
httpheader[1024] =3D=20
"";<BR>int FileNumber =3D 0;<BR>char e[2] =3D =
"@/";<BR>WEBNODE *=20
NodeHeader, * NodeTail, * NodeCurr;<BR>char * =
mapped_mem;<BR><BR>int=20
GetHost(char * , char ** , char ** , int * , char ** ); =
/**/<BR>void=20
AnalyzePage(WEBNODE *); /**/<BR>void AddInitNode(char *, =
char *,=20
int, char * ); /**/<BR>void HandleInitNode(WEBNODE *); =
/**/<BR>void=20
DisplayNode(WEBNODE *); /**/<BR>void HandOneNode(WEBNODE *); =
/**/<BR>void DoneWithList(int); /**/<BR>void DoOnce(); =
/**/<BR>void=20
ConnectWeb(void); /**/<BR>void SendRequest(void); =
/**/<BR>void=20
ReceiveResponse(void); /**/<BR>void GetEmail(char * ); =
/**/<BR>void=20
GetLink(char * ); /**/<BR>void GetBeforePos(char * , char ** =
);=20
/**/<BR>void GetAfterPos(char * , char ** ); /**/<BR>void=20
AddChildNode(WEBNODE * , char * ); /**/<BR>void=20
GetAfterPosWithSlash(char * , char ** ); /**/<BR>void =
GetMemory(char=20
** , int ); /**/<BR>int IsExistWeb(WEBNODE * , char * , char =
* , int=20
, char * ); /**/<BR>void Rstrchr(char * , int , char ** );=20
/**/<BR>int GetLocalAgent(char * UserAgent, char * Accept, =
char *=20
AcceptLanguage, char * AcceptEncoding, char * AcceptCharset, =
char *=20
KeepAlive, char * Connection, char * ContentType);=20
=
/**/<BR><BR>/************************************************************=
**<BR>=B9=A6=C4=DC=A3=BA=C9=E8=D6=C3=20
HTTP=20
=
=D0=AD=D2=E9=CD=B7=C4=DA=C8=DD=B5=C4=D2=BB=D0=A9=B9=CC=B6=A8=D6=B5<BR>***=
************************************************************/<BR>int=20
GetLocalAgent(char * UserAgent, char * Accept, char *=20
AcceptLanguage, char * AcceptEncoding, char * AcceptCharset, =
char *=20
KeepAlive, char * Connection, char *=20
ContentType)<BR>{<BR> memcpy(UserAgent, =
USERAGENT,=20
strlen(USERAGENT));<BR> memcpy(Accept, ACCEPT,=20
strlen(ACCEPT));<BR> memcpy(AcceptLanguage,=20
ACCEPTLANGUAGE,=20
=
strlen(ACCEPTLANGUAGE));<BR> memcpy(AcceptEncoding,=20
ACCEPTENCODING,=20
=
strlen(ACCEPTENCODING));<BR> memcpy(AcceptCharset,=20
ACCEPTCHARSET,=20
strlen(ACCEPTCHARSET));<BR> memcpy(KeepAlive, =
KEEPALIVE,=20
strlen(KEEPALIVE));<BR> memcpy(Connection, =
CONNECTION,=20
strlen(CONNECTION));<BR> memcpy(ContentType, =
CONTENTTYPE,=20
strlen(CONTENTTYPE));<BR> return=20
=
0;<BR>}<BR><BR>/*********************************************************=
*****<BR>=B9=A6=C4=DC=A3=BA=D4=DA=D7=D6=B7=FB=B4=AE=20
s =C0=EF=CB=D1=CB=F7 x =
=D7=D6=B7=FB=A3=AC=B2=A2=C9=E8=D6=C3=D6=B8=D5=EB d=20
=
=D6=B8=CF=F2=B8=C3=CE=BB=D6=C3<BR>***************************************=
************************/<BR>void=20
Rstrchr(char * s, int x, char ** d)<BR>{<BR> =
=20
int len =3D strlen(s) - 1;<BR> =
=20
while(len >=3D 0) {<BR> =
=20
if(x =3D=3D =
s[len]) {(*d) =3D s=20
+ len; return;}<BR> =
=20
len--;<BR> }<BR> =
=20
(*d) =3D=20
=
0;<BR>}<BR><BR>/*********************************************************=
*****<BR>=B9=A6=C4=DC=A3=BA=C1=AC=BD=D3=D2=BB=B8=F6=CD=F8=D5=BE=B7=FE=CE=F1=
=C6=F7<BR>***************************************************************=
/<BR>void=20
ConnectWeb(void) { /* connect to web server =
*/<BR> /*=20
create a socket descriptor=20
=
*/<BR> if((sockfd=3Dsocket(PF_INET,SOCK_STREAM,0))=3D=3D-1)<BR=
> {<BR> =20
fprintf(stderr,"\tSocket=20
Error:%s\a\n",strerror(errno));<BR> =20
exit(1);<BR> }<BR><BR> /* bind address =
*/<BR> bzero(&server_addr,=20
sizeof(server_addr));<BR> server_addr.sin_family =
=3D=20
AF_INET;<BR> server_addr.sin_port =3D=20
=
htons(NodeCurr->port);<BR> server_addr.sin_addr =3D=20
*((struct in_addr *)host->h_addr);<BR><BR> /* =
connect=20
to the server */<BR> if(connect(sockfd, (struct =
sockaddr=20
*)(&server_addr), sizeof(struct sockaddr)) =3D=3D=20
-1)<BR> {<BR> fprintf(stderr, =
"\tConnect=20
Error:%s\a\n", strerror(errno));<BR> =20
=
exit(1);<BR> }<BR>}<BR><BR>/**********************************=
****************************<BR>=B9=A6=C4=DC=A3=BA=CF=F2=CD=F8=D5=BE=B7=A2=
=CB=CD=20
HTTP=20
=
=C7=EB=C7=F3<BR>*********************************************************=
******/<BR>void=20
SendRequest(void) { /* send my http-request to web server=20
*/<BR> dsend =3D 0;totalsend =3D=20
=
0;<BR> nbytes=3Dstrlen(request);<BR> while(totalsen=
d=20
< nbytes) {<BR> dsend =3D write(sockfd, =
request +=20
totalsend, nbytes - totalsend);<BR> =20
if(dsend=3D=3D-1) {fprintf(stderr, "\tsend =
error!%s\n",=20
strerror(errno));exit(0);}<BR> =20
totalsend+=3Ddsend;<BR> fprintf(stdout, =
"\n\tRequest.%d=20
%d bytes send OK!\n", reqn,=20
=
totalsend);<BR> }<BR>}<BR><BR>/*******************************=
*******************************<BR>=B9=A6=C4=DC=A3=BA=BD=D3=CA=D5=CD=F8=D5=
=BE=B5=C4=20
HTTP=20
=
=B7=B5=BB=D8<BR>*********************************************************=
******/<BR>void=20
ReceiveResponse(void) { /* get response from web server=20
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