Prihlasi sa len root, nie bezny uzivatel

[bach]

ls -la /home
total 36
drwxr-xr-x  6 root      root       4096 2009-11-20 13:51 .
drwxr-x--- 22 root      root       4096 2009-11-19 15:42 ..
     ^^^^^

adresar / ma prava drwxr-x--- 22 root      root  takze jediny kdo jej
muze listovat nebo se do nej prepnout je root pripadne skupina root



On 1/18/10, Martin Tiršel <lk na blackpage.eu> wrote:
> Zdravim,
>
> tak s tymto som sa zatial nestretol a a ni nevim co s tym. Na jeden stroj
> sa prihlasim ako root, ale uz nie ako uzivatel, ani nejde don prepnut.
> Najhorsie je, ze ani neviem, co to sposobilo, urobil som bezny update, ale
> okrem toho si niesom vedomy nicoho, co by som tam zmenil
>
>
> ssh operators na 192.168.1.201
> operators na 192.168.1.201's password:
> Linux pccati1 2.6.30-2-amd64 #1 SMP Mon Dec 7 05:21:45 UTC 2009 x86_64
>
> The programs included with the Debian GNU/Linux system are free software;
> the exact distribution terms for each program are described in the
> individual files in /usr/share/doc/*/copyright.
>
> Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
> permitted by applicable law.
> Last login: Mon Jan 18 18:22:49 2010 from 192.168.1.3
> Could not chdir to home directory /home/operators: Permission denied
> /bin/bash: Permission denied
> Connection to 192.168.1.201 closed.
>
>
> Mam tam 2 uzivatelov s loginom, skusim druhy, vysledok ten samy, skusim
> root a ten ok:
>
> ssh root na 192.168.1.201
> root na 192.168.1.201's password:
> Linux pccati1 2.6.30-2-amd64 #1 SMP Mon Dec 7 05:21:45 UTC 2009 x86_64
>
> The programs included with the Debian GNU/Linux system are free software;
> the exact distribution terms for each program are described in the
> individual files in /usr/share/doc/*/copyright.
>
> Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
> permitted by applicable law.
> Last login: Mon Jan 18 18:52:10 2010 from 192.168.1.3
>
>
> Tak sa skusim prepnut na uzivatela:
> pccati1:~# su operators
> Cannot execute /bin/bash: Permission denied
>
> Pozeram permissions, vsetko ok:
>
> ls -la /home
> total 36
> drwxr-xr-x  6 root      root       4096 2009-11-20 13:51 .
> drwxr-x--- 22 root      root       4096 2009-11-19 15:42 ..
> ...
> drwx------  2 root      root      16384 2009-11-19 14:45 lost+found
> drwxr-xr-x 24 operators operators  4096 2010-01-18 16:57 operators
>
>
> ls -la /bin/bash
> -rwxr-xr-x 1 root root 924232 2010-01-02 16:40 /bin/bash
>
> Googlil som googlil, nasiel som, ze mal niekto zle prava na lib adresar,
> ale to nieje tento pripad:
> drwxr-xr-x  12 root root 12288 2010-01-18 15:15 lib
> drwxr-xr-x   2 root root  4096 2010-01-13 11:04 lib32
> lrwxrwxrwx   1 root root     4 2009-11-19 14:46 lib64 -> /lib
>
> Toto je koniec strace:
> pccati1:~# strace su - operators
> ...
> setuid(1003)                            = 0
> chdir("/home/operators")                = -1 EACCES (Permission denied)
> chdir("/")                              = -1 EACCES (Permission denied)
> open("/usr/share/locale/locale.alias", O_RDONLY) = -1 EACCES (Permission
> denied)
> open("/usr/share/locale/en_US.UTF-8/LC_MESSAGES/shadow.mo", O_RDONLY) = -1
> EACCES (Permission denied)
> open("/usr/share/locale/en_US.utf8/LC_MESSAGES/shadow.mo", O_RDONLY) = -1
> EACCES (Permission denied)
> open("/usr/share/locale/en_US/LC_MESSAGES/shadow.mo", O_RDONLY) = -1
> EACCES (Permission denied)
> open("/usr/share/locale/en.UTF-8/LC_MESSAGES/shadow.mo", O_RDONLY) = -1
> EACCES (Permission denied)
> open("/usr/share/locale/en.utf8/LC_MESSAGES/shadow.mo", O_RDONLY) = -1
> EACCES (Permission denied)
> open("/usr/share/locale/en/LC_MESSAGES/shadow.mo", O_RDONLY) = -1 EACCES
> (Permission denied)
> write(2, "Unable to cd to '/home/operators"..., 34Unable to cd to
> '/home/operators'
> ) = 34
> gettimeofday({1263837555, 985503}, NULL) = 0
> sendto(3, "<84>Jan 18 18:59:15 su[13071]: u"..., 86, MSG_NOSIGNAL, NULL,
> 0) = 86
> close(3)                                = 0
> exit_group(1)                           = ?
>
> Ani miesto na disku nieje zaplnene a uz ma nic nenapada, co to moze
> sposobovat :(
>
> --
> S pozdravom,
> Martin Tiršel
> _______________________________________________
> Linux mailing list
> Linux na linux.cz
> http://www.linux.cz/mailman/listinfo/linux
>


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