Re: Transport table and postmap

From: Wietse Venema (no email)
Date: Thu May 08 2008 - 14:11:22 EDT

  • Next message: Wietse Venema: "Re: Milter Suggestions"

    Richard Stockton:
    > Hi postfix people,
    > I am noticing an odd and somewhat disturbing thing on my FreeBSD
    > postfix installations. When I redo my transport table,
    > postmap /etc/postfix/transport
    > and then do a "strings /etc/postfix/transport.db" I see not only
    > the contents of the "transport" file, but also my entire master
    > password file including the password hashes! That seems like a
    > very bad thing. This occurs on all 8 of my FreeBSD postfix
    > installations.

    Apparently, some SYSTEM LIBRARY Berkeley DB routine writes
    uninitialized memory to file. Postfix does not write Berkeley DB
    files directly.

    Have you sent a bug report to the FreeSBD bugs database?

    Solaris had a similar problem years ago with the tar(1) command.
    Not nice if you were putting tar files on anonymous FTP servers.


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