Re: Grsecurity and ssh

2003-12-05 Thread Florian Weimer
Arnaud Fontaine wrote:

 Now i would like to use the GNU/Linux kernel with grsecurity patch. I
 have compiled and installed this kernel but when i want to log into the
 system via ssh (the service start also), i have the following error due
 to grsecurity:
 grsec: denied attempt to double chroot to /[...] by (sshd:14334) UID(0)
 EUID(0), parent (sshd:20587) UID(0) EUID(0)

The privilege separation code invokes chroot(), too.

Is there a do not create any new file descriptors process attribute in
grsecurity?  If there is, OpenSSH should toggle instead of calling
chroot() to an empty directory, which is a poor replacement.


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Re: Grsecurity and ssh

2003-12-05 Thread Florian Weimer
Arnaud Fontaine wrote:

 Now i would like to use the GNU/Linux kernel with grsecurity patch. I
 have compiled and installed this kernel but when i want to log into the
 system via ssh (the service start also), i have the following error due
 to grsecurity:
 grsec: denied attempt to double chroot to /[...] by (sshd:14334) UID(0)
 EUID(0), parent (sshd:20587) UID(0) EUID(0)

The privilege separation code invokes chroot(), too.

Is there a do not create any new file descriptors process attribute in
grsecurity?  If there is, OpenSSH should toggle instead of calling
chroot() to an empty directory, which is a poor replacement.