Re: passwd: Permission denied ?
On Mon, Sep 21, 2009 at 03:37:01PM +0200, Sven Joachim wrote: > No, they are not. It's /etc/passwd, not /usr/bin/passwd. Oops! (red with embarrassment) signature.asc Description: Digital signature
Re: passwd: Permission denied ?
On 2009-09-21 15:27 +0200, Jon Dowland wrote: > On Fri, Sep 18, 2009 at 11:39:28AM +0200, Frank Bonnet wrote: > >> -rw-r--r-- 1 root root 1358 2009-09-18 09:21 /etc/passwd > > These permissions are wrong. No, they are not. It's /etc/passwd, not /usr/bin/passwd. Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
On Fri, Sep 18, 2009 at 11:39:28AM +0200, Frank Bonnet wrote: > -rw-r--r-- 1 root root 1358 2009-09-18 09:21 /etc/passwd These permissions are wrong. The missing suid bit (as someone else pointed out) will prevent anyone but root using it. The missing e(x)ecute bit will prevent even root. Either restore +x (and +s), or something like # /lib/ld-2.9.so /usr/bin/passwd I would also worry about *precicely how* the permissions were changed. -- Jon Dowland signature.asc Description: Digital signature
Re: passwd: Permission denied ?
On Fri, Sep 18, 2009 at 09:34:12AM +0200, Frank Bonnet wrote: > Hello > > I'm trying to change a local user passwd as root and I get this error > message ... which seems a bit unreal to me ... > > > passwd: Permission denied > passwd: password unchanged > > > The machine is running Lenny 64 bits Two places to look into: 1. /var/log/auth.log 2. /etc/pam.d/passwd -- Tzafrir Cohen | tzaf...@jabber.org | VIM is http://tzafrir.org.il || a Mutt's tzaf...@cohens.org.il || best ICQ# 16849754 || friend -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
On 2009-09-18 02:34, Frank Bonnet wrote: Hello I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged The machine is running Lenny 64 bits Dumb question: how are you trying to change the password? -- Ron Johnson, Jr. Jefferson LA USA "If God had wanted man to play soccer, he wouldn't have given us arms." Mike Ditka -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Frank Bonnet wrote: > I'm trying to change a local user passwd as root and I get this error > message ... which seems a bit unreal to me ... > passwd: Permission denied Suspect you've lost the setuid permission bit on /usr/bin/passwd: ls -l /usr/bin/passwd -rwsr-xr-x 1 root root 34392 2009-05-22 16:03 /usr/bin/passwd If you don't see an 's' in the fourth character position then that's the problem, and you can fix it with these commands run as root: chown root:root /usr/bin/passwd chmod u=rwx,go=rx,u+s /usr/bin/passwd # 4755 if you insist Chris -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Well after rebooting the machine it seems the / partition has a problem fsck cannot correct the problem too It might be a hardware problem ... (sigh !) Jerome BENOIT wrote: Frank Bonnet wrote: Jerome BENOIT wrote: Hello Frank, what gives ls -l /etc/passwd lsattr /etc/passwd well I am logged as root which is supposed in a UNIX world to have access to all files of the local filesystem without access right checking huh ? may be, but you issue is, as you said, unreal. have you strace passwd to have a better idea of what is going on ? Jerome ls -l /etc/passwd -rw-r--r-- 1 root root 1358 2009-09-18 09:21 /etc/passwd lsattr /etc/passwd --- /etc/passwd ? Jerome Frank Bonnet wrote: Hello I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged The machine is running Lenny 64 bits Thank you -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
On 2009-09-18 11:37 +0200, Jerome BENOIT wrote: > I guess that `ls -l' is clean too: > is the associated partition mounted as read-only ? AFAIK in that case the error message would be "Read-only file system" rather than "Permission denied". Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
On 2009-09-18 11:26 +0200, Frank Bonnet wrote: > Sven Joachim wrote: >> On 2009-09-18 09:34 +0200, Frank Bonnet wrote: >> >>> I'm trying to change a local user passwd as root and I get this error >>> message ... which seems a bit unreal to me ... >>> >>> >>> passwd: Permission denied >>> passwd: password unchanged >> >> What does "lsattr /etc/passwd /etc/shadow" print? > > this ... how it has been changed ? this is a fresh install > does this mean another admin has changed the default attr ? This may happen because of an intruder or because of file system corruption. I've seen the latter a few times on this list. But... > lsattr /etc/passwd /etc/shadow > --- /etc/passwd > --- /etc/shadow ...this is how it's supposed to be, i.e. no special attributes. Can you run the process under strace? Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Jerome BENOIT wrote: Hello, Frank Bonnet wrote: Sven Joachim wrote: On 2009-09-18 09:34 +0200, Frank Bonnet wrote: I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged What does "lsattr /etc/passwd /etc/shadow" print? this ... how it has been changed ? this is a fresh install does this mean another admin has changed the default attr ? lsattr /etc/passwd /etc/shadow --- /etc/passwd --- /etc/shadow I guess that `ls -l' is clean too: is the associated partition mounted as read-only ? Jerome no the files are standing on the / partition -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Frank Bonnet wrote: Jerome BENOIT wrote: Hello Frank, what gives ls -l /etc/passwd lsattr /etc/passwd well I am logged as root which is supposed in a UNIX world to have access to all files of the local filesystem without access right checking huh ? may be, but you issue is, as you said, unreal. have you strace passwd to have a better idea of what is going on ? Jerome ls -l /etc/passwd -rw-r--r-- 1 root root 1358 2009-09-18 09:21 /etc/passwd lsattr /etc/passwd --- /etc/passwd ? Jerome Frank Bonnet wrote: Hello I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged The machine is running Lenny 64 bits Thank you -- Jerome BENOIT jgmbenoit_at_mailsnare_dot_net -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Hello, Frank Bonnet wrote: Sven Joachim wrote: On 2009-09-18 09:34 +0200, Frank Bonnet wrote: I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged What does "lsattr /etc/passwd /etc/shadow" print? this ... how it has been changed ? this is a fresh install does this mean another admin has changed the default attr ? lsattr /etc/passwd /etc/shadow --- /etc/passwd --- /etc/shadow I guess that `ls -l' is clean too: is the associated partition mounted as read-only ? Jerome Sven -- Jerome BENOIT jgmbenoit_at_mailsnare_dot_net -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Jerome BENOIT wrote: Hello Frank, what gives ls -l /etc/passwd lsattr /etc/passwd well I am logged as root which is supposed in a UNIX world to have access to all files of the local filesystem without access right checking huh ? ls -l /etc/passwd -rw-r--r-- 1 root root 1358 2009-09-18 09:21 /etc/passwd lsattr /etc/passwd --- /etc/passwd ? Jerome Frank Bonnet wrote: Hello I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged The machine is running Lenny 64 bits Thank you -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Sven Joachim wrote: On 2009-09-18 09:34 +0200, Frank Bonnet wrote: I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged What does "lsattr /etc/passwd /etc/shadow" print? this ... how it has been changed ? this is a fresh install does this mean another admin has changed the default attr ? lsattr /etc/passwd /etc/shadow --- /etc/passwd --- /etc/shadow Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
Hello Frank, what gives ls -l /etc/passwd lsattr /etc/passwd ? Jerome Frank Bonnet wrote: Hello I'm trying to change a local user passwd as root and I get this error message ... which seems a bit unreal to me ... passwd: Permission denied passwd: password unchanged The machine is running Lenny 64 bits Thank you -- Jerome BENOIT jgmbenoit_at_mailsnare_dot_net -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
Re: passwd: Permission denied ?
On 2009-09-18 09:34 +0200, Frank Bonnet wrote: > I'm trying to change a local user passwd as root and I get this error > message ... which seems a bit unreal to me ... > > > passwd: Permission denied > passwd: password unchanged What does "lsattr /etc/passwd /etc/shadow" print? Sven -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
