Re: Re[2]: kernel patches
On Sat, 10 Mar 2001 01:12:46 Uriah Welcome wrote: | On Fri, Mar 09, 2001 at 04:05:17PM -0700, Kevin wrote: | > | > | > Then they only have to compile their own version. Openwall shows only | > you when you run 'w' but shows everyone if you 'who'. Anyone know | > why? | > | | Because 'who' just read /var/log/wtmp, where as 'w' looks at the process | that | currently logged in users are running, reading /proc, which under the | openwall patches is restricted. | | To limit 'who' you'd need a restricted /var/log/wtmp.. Would this explain the following behaviour on my Potato box (all of them), which is not running Openwall. sausage:/home/bds> w 3:31pm up 2:42, 2 users, load average: 0.03, 0.07, 0.24 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root tty1 -12:49pm 25:02 1.05s 0.26s apt-get sausage:/home/bds> who root tty1 Mar 11 12:49 bds :0 Mar 11 15:13 (console) ie. 'w' does not show the X user. I've tried this with xdm and gdm. 'w' does correctly show '2 users'. It just doesn't list them all. Its not very nice :( | -- | - U | | "Memory is like an orgasm. It's a lot better if you don't have | to fake it." -- Seymour Cray commenting on virtual memory | | | -- | To UNSUBSCRIBE, email to [EMAIL PROTECTED] | with a subject of "unsubscribe". Trouble? Contact | [EMAIL PROTECTED] | Kind regards, Berend -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Berend De Schouwer, +27-11-712-1435, UCS
Re: Re[2]: kernel patches
On Sat, 10 Mar 2001 01:12:46 Uriah Welcome wrote: | On Fri, Mar 09, 2001 at 04:05:17PM -0700, Kevin wrote: | > | > | > Then they only have to compile their own version. Openwall shows only | > you when you run 'w' but shows everyone if you 'who'. Anyone know | > why? | > | | Because 'who' just read /var/log/wtmp, where as 'w' looks at the process | that | currently logged in users are running, reading /proc, which under the | openwall patches is restricted. | | To limit 'who' you'd need a restricted /var/log/wtmp.. Would this explain the following behaviour on my Potato box (all of them), which is not running Openwall. sausage:/home/bds> w 3:31pm up 2:42, 2 users, load average: 0.03, 0.07, 0.24 USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT root tty1 -12:49pm 25:02 1.05s 0.26s apt-get sausage:/home/bds> who root tty1 Mar 11 12:49 bds :0 Mar 11 15:13 (console) ie. 'w' does not show the X user. I've tried this with xdm and gdm. 'w' does correctly show '2 users'. It just doesn't list them all. Its not very nice :( | -- | - U | | "Memory is like an orgasm. It's a lot better if you don't have | to fake it." -- Seymour Cray commenting on virtual memory | | | -- | To UNSUBSCRIBE, email to [EMAIL PROTECTED] | with a subject of "unsubscribe". Trouble? Contact | [EMAIL PROTECTED] | Kind regards, Berend -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Berend De Schouwer, +27-11-712-1435, UCS -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
Re: Re[2]: kernel patches
also sprach Kevin (on Fri, 09 Mar 2001 04:05:17PM -0700): > Then they only have to compile their own version. Openwall shows only > you when you run 'w' but shows everyone if you 'who'. Anyone know > why? well, afaik w and who are two separate programs. it appears that who uses utmp information whereas w collects its information from the /proc filesystem. martin; (greetings from the heart of the sun.) \ echo mailto: !#^."<*>"|tr "<*> mailto:"; [EMAIL PROTECTED] -- "declared guilty... of displaying feelings of an almost human nature." -- roger waters, 1979
Re: Re[2]: kernel patches
On Fri, Mar 09, 2001 at 04:05:17PM -0700, Kevin wrote: > > > Then they only have to compile their own version. Openwall shows only > you when you run 'w' but shows everyone if you 'who'. Anyone know > why? > Because 'who' just read /var/log/wtmp, where as 'w' looks at the process that currently logged in users are running, reading /proc, which under the openwall patches is restricted. To limit 'who' you'd need a restricted /var/log/wtmp.. -- - U "Memory is like an orgasm. It's a lot better if you don't have to fake it." -- Seymour Cray commenting on virtual memory
Re: Re[2]: kernel patches
also sprach Kevin (on Fri, 09 Mar 2001 04:05:17PM -0700): > Then they only have to compile their own version. Openwall shows only > you when you run 'w' but shows everyone if you 'who'. Anyone know > why? well, afaik w and who are two separate programs. it appears that who uses utmp information whereas w collects its information from the /proc filesystem. martin; (greetings from the heart of the sun.) \ echo mailto: !#^."<*>"|tr "<*> mailto:" net@madduck -- "declared guilty... of displaying feelings of an almost human nature." -- roger waters, 1979 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
Re: Re[2]: kernel patches
On Fri, Mar 09, 2001 at 04:05:17PM -0700, Kevin wrote: > > > Then they only have to compile their own version. Openwall shows only > you when you run 'w' but shows everyone if you 'who'. Anyone know > why? > Because 'who' just read /var/log/wtmp, where as 'w' looks at the process that currently logged in users are running, reading /proc, which under the openwall patches is restricted. To limit 'who' you'd need a restricted /var/log/wtmp.. -- - U "Memory is like an orgasm. It's a lot better if you don't have to fake it." -- Seymour Cray commenting on virtual memory -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
