The following reply was made to PR mod_jserv/3446; it has been noted by GNATS.
From: "Knittel, Georg" <[EMAIL PROTECTED]>
To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
Cc: Subject: mod_jserv/3446: servlets accessing filesystem
Date: Mon, 30 Nov 1998 19:32:13 +0100
> -----Urspr=FCngliche Nachricht-----
> Von: Knittel, Georg=20
> Gesendet am: Montag, 30. November 1998 14:40
> An: '[EMAIL PROTECTED]'
> Betreff: WG: mod_jserv/3446: servlets accessing filesystem
>=20
>=20
>=20
> -----Urspr=FCngliche Nachricht-----
> Von: Knittel, Georg=20
> Gesendet am: Mittwoch, 25. November 1998 19:03
> An: '[EMAIL PROTECTED]'
> Betreff: AW: mod_jserv/3446: servlets accessing filesystem
>=20
> On HP-UX 10.20 + jdk1.1.6
> fails inside the servlets=20
> 1.) System.setProperties
> 2.) File access using relativ addressing
>=20
> see servlet and output of first and second servlet call included=20
>=20
> JSERV.PROPERTIES parameter:
>=20
> wrapper.bin.parameters=3D"-Duser.dir=3D/var/spool/esl"
>=20
> SERVLET SOURCE:
>=20
> import java.io.*;
> import java.util.*;
>=20
> import javax.servlet.*;
> import javax.servlet.http.*;
>=20
>=20
> public
> class FSServlet extends HttpServlet {
> private ServletOutputStream out;
>=20
> public void doGet (HttpServletRequest req, HttpServletResponse =
res)
> throws ServletException, IOException
> {
> String z =3D System.getProperty("file.separator");
> out =3D res.getOutputStream();
>=20
> res.setContentType("text/html");
>=20
> out.println("<html>");
> out.println("<head><title>File System access
> Servlet</title></head>");
> out.println("<body><pre>");
>=20
> out.println("User: " + =
System.getProperty("user.name"));=20
> out.println("$HOME: " + =
System.getProperty("user.home"));
> out.println("Directory: " + System.getProperty("user.dir")); =
> out.println("file.separator: " +
> System.getProperty("file.separator"));=20
> out.println("path.separator: " +
> System.getProperty("path.separator"));=20
>=20
> File f =3D new File("/var/spool/esl/X");
> out.println("test <new File> name X.getPath(): " + f.getPath());=20
> out.println("test <new File> name X.getAbsolutePath(): " +
> f.getAbsolutePath());=20
> out.println("test <new File> name X.exists(): " + f.exists());=20
> out.println("test <new File> name X.canWrite(): " + =
f.canWrite());=20
>=20
> out.print("test writing \"test\" to FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "rw");
> raf.writeUTF("test");
> raf.close();
> out.println("ok");
> } catch (Exception e) {
> out.println("error");
> }
>=20
> out.print("test reading from FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "r");
> String str =3D raf.readUTF();
> raf.close();
> out.println("ok read: " + str);
> } catch (Exception e) {
> out.println("error");
> }
>=20
> out.println("");
>=20
> f =3D new File("X");
> out.println("User: " + =
System.getProperty("user.name"));=20
> out.println("$HOME: " + =
System.getProperty("user.home"));
> out.println("Directory: " + System.getProperty("user.dir")); =
> out.println("file.separator: " +
> System.getProperty("file.separator"));=20
> out.println("path.separator: " +
> System.getProperty("path.separator"));=20
> out.println("test <new File> name X.getPath(): " + f.getPath());=20
> out.println("test <new File> name X.getAbsolutePath(): " +
> f.getAbsolutePath());=20
> out.println("test <new File> name X.exists(): " + f.exists());=20
> out.println("test <new File> name X.canWrite(): " + =
f.canWrite());=20
>=20
> out.print("test writing \"test\" to FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "rw");
> raf.writeUTF("test");
> raf.close();
> out.println("ok");
> } catch (Exception e) {
> out.println("error");
> }
>=20
> out.print("test reading from FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "r");
> String str =3D raf.readUTF();
> raf.close();
> out.println("ok read: " + str);
> } catch (Exception e) {
> out.println("error");
> }
>=20
>=20
>=20
>=20
> f =3D new File("/var/spool/esl/X");
> out.println("User: " + =
System.getProperty("user.name"));=20
> out.println("$HOME: " + =
System.getProperty("user.home"));
> out.println("Directory: " + System.getProperty("user.dir")); =
> out.println("file.separator: " +
> System.getProperty("file.separator"));=20
> out.println("path.separator: " +
> System.getProperty("path.separator"));=20
> out.println("test <new File> name X.getPath(): " + f.getPath());=20
> out.println("test <new File> name X.getAbsolutePath(): " +
> f.getAbsolutePath());=20
> out.println("test <new File> name X.exists(): " + f.exists());=20
> out.println("test <new File> name X.canWrite(): " + =
f.canWrite());=20
>=20
> out.print("test writing \"test\" to FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "rw");
> raf.writeUTF("test");
> raf.close();
> out.println("ok");
> } catch (Exception e) {
> out.println("error");
> }
>=20
> out.print("test reading from FS ... ");
> try {
> RandomAccessFile raf =3D new RandomAccessFile(f, "r");
> String str =3D raf.readUTF();
> raf.close();
> out.println("ok read: " + str);
> } catch (Exception e) {
> out.println("error");
> }
>=20
>=20
>=20
> out.println("setting new environment ...");
> Properties env =3D new Properties();
> // env.put("user.name", "gkn");
> env.put("user.dir", "/var/spool/esl");
> // env.put("user.home", "/var/spool/esl");
>=20
> System.setProperties(env);
>=20
> f =3D new File("/var/spool/esl/X");
> out.println("User: " + =
System.getProperty("user.name"));=20
> out.println("$HOME: " + =
System.getProperty("user.home"));
> out.println("Directory: " + System.getProperty("user.dir")); =
> out.println("file.separator: " +
> System.getProperty("file.separator"));=20
> out.println("path.separator: " +
> System.getProperty("path.separator"));=20
> out.println("test <new File> name X.getPath(): " + f.getPath());=20
> out.println("test <new File> name X.getAbsolutePath(): " +
> f.getAbsolutePath());=20
> out.println("test <new File> name X.exists(): " + f.exists());=20
> out.println("test <new File> name X.canWrite(): " + =
f.canWrite());=20
>=20
>=20
>=20
> out.println("</pre></body></html>");
> }
>=20
> }
>=20
> FIRST SERVLET CALL:
>=20
> User: gkn
> $HOME: /home/gkn
> Directory: /var/spool/esl/
> file.separator: /
> path.separator: :
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): false
> test name X.canWrite(): false
> test writing "test" to FS ... ok
> test reading from FS ... ok read: test
>=20
> User: gkn
> $HOME: /home/gkn
> Directory: /var/spool/esl/
> file.separator: /
> path.separator: :
> test name X.getPath(): X
> test name X.getAbsolutePath(): /var/spool/esl//X
> test name X.exists(): false
> test name X.canWrite(): false
> test writing "test" to FS ... error
> test reading from FS ... error
> User: gkn
> $HOME: /home/gkn
> Directory: /var/spool/esl/
> file.separator: /
> path.separator: :
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): true
> test name X.canWrite(): true
> test writing "test" to FS ... ok
> test reading from FS ... ok read: test
> setting new environment ...
> User: null
> $HOME: null
> Directory: /var/spool/esl
> file.separator: null
> path.separator: null
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): true
> test name X.canWrite(): true
>=20
> SECOND SERVLET CALL:
>=20
> User: null
> $HOME: null
> Directory: /var/spool/esl
> file.separator: null
> path.separator: null
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): true
> test name X.canWrite(): true
> test writing "test" to FS ... ok
> test reading from FS ... ok read: test
>=20
> User: null
> $HOME: null
> Directory: /var/spool/esl
> file.separator: null
> path.separator: null
> test name X.getPath(): X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): false
> test name X.canWrite(): false
> test writing "test" to FS ... error
> test reading from FS ... error
> User: null
> $HOME: null
> Directory: /var/spool/esl
> file.separator: null
> path.separator: null
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): true
> test name X.canWrite(): true
> test writing "test" to FS ... ok
> test reading from FS ... ok read: test
> setting new environment ...
> User: null
> $HOME: null
> Directory: /var/spool/esl
> file.separator: null
> path.separator: null
> test name X.getPath(): /var/spool/esl/X
> test name X.getAbsolutePath(): /var/spool/esl/X
> test name X.exists(): true
> test name X.canWrite(): true
>=20
> it is funny isn=B4t it ??
>=20
>=20
>=20
> -----Urspr=FCngliche Nachricht-----
> Von: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]
> Gesendet am: Mittwoch, 25. November 1998 09:16
> An: [EMAIL PROTECTED]; [EMAIL PROTECTED]; =
[EMAIL PROTECTED]
> Betreff: Re: mod_jserv/3446: servlets accessing filesystem
>=20
> [In order for any reply to be added to the PR database, ]
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>=20
>=20
> Synopsis: servlets accessing filesystem
>=20
> State-Changed-From-To: open-feedback
> State-Changed-By: ed
> State-Changed-When: Wed Nov 25 00:16:03 PST 1998
> State-Changed-Why:
> the JVM runs as the same uid/gid which Apache runs as --
> this is the most likely cause of the errors which you're
> seeing. at present, there is no security manager w/in
> JServ.
>=20
> if that's not it, please send respond to this note;
> otherwise, I'll mark this (and PR # 3445) closed in a couple
> of days.
>=20
> Ed, [EMAIL PROTECTED]
