Marc G. Fournier wrote: > On Thu, 19 Aug 2004, Tom Lane wrote: > > > Alvaro Herrera <[EMAIL PROTECTED]> writes: > >> Is the uptime kept internally anywhere? Or even the start time? > > > > No, and no (at least not in any globally accessible variable). > > > >> If it is, it would be quite trivial to provide access to it > > > > Not really --- in the EXEC_BACKEND case, we'd have to do something > > explicit to pass the value down to backends. > > Couldn't it be stored in shared memory?
We already have a mechanism to pass global variables to EXEC_BACKEND so that part is pretty simple. > > I'd like to see more than one person requesting this (and with solider > > rationales) before it gets added to TODO. If I wanted to be picky I > > would suggest that knowledge of the server start time might be useful > > information to an attacker. It would for instance narrow down the > > number of possible starting seeds for the postmaster's random number > > generator. > > Wouldn't an attacker have to have access to the server in the first place > to get that information? I think so, and if they do, they can use 'ps' to see the start time of the postmaster. However, I do think this is an 8.1 item. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
