Modify zookeeper + Lao Tzu
This is the most simple CGI, And it prints a sentence based on the differences in the browser.
# Include <stdio. h>
# Include <stdlib. h>
# Include <string. h>
Void main (void)
...{
Char * http_user_agent;
Printf ("Content-Type: text/plain ");
Http_user_agent = getenv ("http_user_agent ");
If (http_user_agent = NULL )...{
Printf ("Oops! Your browser failed to set the http_user_agent ");
Printf ("environment variable! ");
} Else if (! Strncmp (http_user_agent, "Mosaic", 6 ))...{
Printf ("I guess you are sticking with the original, huh? ");
} Else if (! Strncmp (http_user_agent, "Mozilla", 7 ))...{
Printf ("well, you are not alone. A majority of the people are ");
Printf ("using Netscape Navigator! ");
} Else if (! Strncmp (http_user_agent, "Lynx", 4 ))...{
Printf ("lynx is great, but go get yourself a graphic browser! ");
} Else ...{
Printf ("I see you are using the % s browser.", http_user_agent );
Printf ("I don't think it's as famous as Netscape, mosaic or Lynx! ");
}
Exit (0 );
}
========================================================== ====================================
Another
Seek.html faces
<HTML>
<Head>
<Title> untitled document </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
</Head>
<Body>
<P> Please refer to the query string </P>
<Form name = "form1" Action = "./A. Out">
<P> </P>
<P>
<Input name = "keyname" value = "" type = text>
</P>
<P>
<Input type = "Submit" value = "">
</P>
</Form>
<P> </P>
</Body>
</Html>
Mycgi. c
# Include <stdio. h>
# Include <stdlib. h>
# Include <unistd. h>
# Include <sys/types. h>
# Include <fcntl. h>
# Include <time. h>
# Include <string. h>
Int main (INT argc, char * argv [])... {
Int FD;
Int status;
Time_t I;
Char cfilename [64];
Char ctempname [64];
Char cbuffer [1024];
Char * P = cbuffer;
Char ccontent [10240];
Char * data;
Char keyword [1024];
Data = getenv ("QUERY_STRING ");
If (Data = NULL )...{
Printf ("Content-Type: text/html ");
Printf ("not found! ");
Exit (1 );
}
Sscanf (data, "keyname = % S &", keyword );
P + = sprintf (P, "locate '% s' | sed-E's # ^/usr/local/Apache/htdocs # http: // 127.0.0.1 # '| sed-E's # ^. * $ # <a href = & >&</A >#'> ", keyword );
I = Time (null );
Sprintf (ctempname, "shortd.html", I );
Sprintf (cfilename, "/usr/local/Apache/temp/export d.html", I );
Strcat (cbuffer, cfilename );
Cbuffer [1024-1] = 0;
System (cbuffer );
FD = open (cfilename, o_rdwr );
Status = read (FD, ccontent, sizeof (ccontent)-1 );
Close (FD );
Printf ("Content-Type: text/html ");
Printf ("<meta http-equiv = Refresh content = 0; url = http: // 127.0.0.1/temp/% S>", ctempname );
// Printf ("% s", ctempname );
Printf ("waiting .......................");
Printf ("% s", keyword );
Return 0;
}
GCC mycgi. c
Actually, just copy the.out(includes seek.html) exported to the webapps/root directory of Tomcat (Linux), and add the limit of privilege ~
