lkml.org 
[lkml]   [2002]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: rm-ing files with open file descriptors
Date
In article <843d119h0g.fsf@rjk.greenend.org.uk>,
Richard Kettlewell <rjk@terraraq.org.uk> wrote:
>If the file descriptor you have was opened O_RDONLY, but you have
>write permission on the file itself, then creating a new name for it
>would allow you to open it O_RDWR.

/proc allows for this anyway.

open("knuth.txt", O_RDONLY) = 3
unlink("knuth.txt") = 0
open("/proc/self/fd/3", O_RDWR) = 4

Mike.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:15    [from the cache]
©2003-2011 Jasper Spaans