How does it learn about the gradm -E before I've ran it. Running it kills the system, whereupon there is no /etc/grsec to write any rules to. I've thought of this, and it doesn't work.
On Tue, Feb 18, 2014 at 10:06 PM, "Tóth Attila" <at...@atoth.sote.hu> wrote: > Just give gradm learning a try without a prior gradm -E. > After you can generate an initial set of rules for your policy, you can > start fine-tuning it for some specific applications. > -- > dr Tóth Attila, Radiológus, 06-20-825-8057 > Attila Toth MD, Radiologist, +36-20-825-8057 > > 2014.Február 17.(H) 23:26 időpontban John Tate ezt írta: >> BTW, I was supposed to delete the first two lines of that email. >> >> On Tue, Feb 18, 2014 at 9:25 AM, John Tate <j...@johntate.org> wrote: >>> What should that stuff be so gradm works. I tried add >>> >>> Also the wiki instructs me to issue gradm -E before putting it in >>> learning mode. >>> >>> I've tried adding some lines to the admin role myself but the same >>> problem occurs, and gradm can no longer find /dev/grsec.. >>> >>> role admin sA >>> subject / rvka >>> / rwcdmlxi >>> subject /sbin/gradm >>> /etc/grsec rwx >>> /dev/grsec rw >>> +CAP_DAC_OVERRIDE >>> >>> It would be good if you could just help me get started by giving >>> enough so that gradm -D will work so I can still work on the system >>> without a reboot. At this point it is tedious. >>> >>> Also either the Wiki page is out of date and the advise no longer >>> works, or the problem is actually some kernel option I've enabled: >>> https://wiki.gentoo.org/wiki/Hardened/Grsecurity2_Quickstart >>> >>> >>> On Tue, Feb 18, 2014 at 7:03 AM, "Tóth Attila" <at...@atoth.sote.hu> >>> wrote: >>>> I think you should not issue gradm -E before activating learning mode. >>>> Also make sure to populate your policy with at least some default stuff >>>> for the admin role before enabling it. The example policy file gives a >>>> starting point. >>>> -- >>>> dr Tóth Attila, Radiológus, 06-20-825-8057 >>>> Attila Toth MD, Radiologist, +36-20-825-8057 >>>> >>>> 2014.Február 17.(H) 20:29 időpontban John Tate ezt írta: >>>>> I am new to grsecurity I am having a problem when I enable RBAC, where >>>>> grsecurity denies gradm and certain directories such as /etc/grsec are >>>>> inaccessible, and even /dev/grsec. >>>>> >>>>> gentoo ~ # gradm -E >>>>> gentoo ~ # gradm -F -L /etc/grsec/learning.log >>>>> Could not open /dev/grsec. >>>>> open: Permission denied >>>>> >>>>> /var/log/messages contains this... >>>>> Feb 16 22:40:56 gentoo kernel: [ 659.863486] grsec: From 192.168.0.3: >>>>> (default:D:/sbin/gradm) use of CAP_DAC_OVERRIDE denied for >>>>> /sbin/gradm[gradm:3315] uid/euid:0/0 gid/egid:0/0, parent >>>>> /bin/bash[bash:1876] uid/euid:0/0 gid/egid:0/0 >>>>> >>>>> CONFIG_GRKERNSEC=y >>>>> # CONFIG_GRKERNSEC_CONFIG_AUTO is not set >>>>> CONFIG_GRKERNSEC_CONFIG_CUSTOM=y >>>>> CONFIG_GRKERNSEC_TPE_UNTRUSTED_GID=101 >>>>> CONFIG_GRKERNSEC_KMEM=y >>>>> CONFIG_GRKERNSEC_IO=y >>>>> CONFIG_GRKERNSEC_PERF_HARDEN=y >>>>> CONFIG_GRKERNSEC_RAND_THREADSTACK=y >>>>> CONFIG_GRKERNSEC_PROC_MEMMAP=y >>>>> CONFIG_GRKERNSEC_BRUTE=y >>>>> CONFIG_GRKERNSEC_MODHARDEN=y >>>>> CONFIG_GRKERNSEC_HIDESYM=y >>>>> CONFIG_GRKERNSEC_KERN_LOCKOUT=y >>>>> # CONFIG_GRKERNSEC_NO_RBAC is not set >>>>> CONFIG_GRKERNSEC_ACL_HIDEKERN=y >>>>> CONFIG_GRKERNSEC_ACL_MAXTRIES=3 >>>>> CONFIG_GRKERNSEC_ACL_TIMEOUT=60 >>>>> CONFIG_GRKERNSEC_PROC=y >>>>> CONFIG_GRKERNSEC_PROC_USER=y >>>>> CONFIG_GRKERNSEC_PROC_ADD=y >>>>> CONFIG_GRKERNSEC_LINK=y >>>>> # CONFIG_GRKERNSEC_SYMLINKOWN is not set >>>>> CONFIG_GRKERNSEC_FIFO=y >>>>> CONFIG_GRKERNSEC_SYSFS_RESTRICT=y >>>>> # CONFIG_GRKERNSEC_ROFS is not set >>>>> CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL=y >>>>> CONFIG_GRKERNSEC_CHROOT=y >>>>> CONFIG_GRKERNSEC_CHROOT_MOUNT=y >>>>> CONFIG_GRKERNSEC_CHROOT_DOUBLE=y >>>>> CONFIG_GRKERNSEC_CHROOT_PIVOT=y >>>>> CONFIG_GRKERNSEC_CHROOT_CHDIR=y >>>>> CONFIG_GRKERNSEC_CHROOT_CHMOD=y >>>>> CONFIG_GRKERNSEC_CHROOT_FCHDIR=y >>>>> CONFIG_GRKERNSEC_CHROOT_MKNOD=y >>>>> CONFIG_GRKERNSEC_CHROOT_SHMAT=y >>>>> CONFIG_GRKERNSEC_CHROOT_UNIX=y >>>>> CONFIG_GRKERNSEC_CHROOT_FINDTASK=y >>>>> CONFIG_GRKERNSEC_CHROOT_NICE=y >>>>> CONFIG_GRKERNSEC_CHROOT_SYSCTL=y >>>>> CONFIG_GRKERNSEC_CHROOT_CAPS=y >>>>> CONFIG_GRKERNSEC_AUDIT_GROUP=y >>>>> CONFIG_GRKERNSEC_AUDIT_GID=100 >>>>> CONFIG_GRKERNSEC_EXECLOG=y >>>>> CONFIG_GRKERNSEC_RESLOG=y >>>>> CONFIG_GRKERNSEC_CHROOT_EXECLOG=y >>>>> CONFIG_GRKERNSEC_AUDIT_PTRACE=y >>>>> CONFIG_GRKERNSEC_AUDIT_CHDIR=y >>>>> CONFIG_GRKERNSEC_AUDIT_MOUNT=y >>>>> CONFIG_GRKERNSEC_SIGNAL=y >>>>> CONFIG_GRKERNSEC_FORKFAIL=y >>>>> CONFIG_GRKERNSEC_TIME=y >>>>> CONFIG_GRKERNSEC_PROC_IPADDR=y >>>>> CONFIG_GRKERNSEC_RWXMAP_LOG=y >>>>> CONFIG_GRKERNSEC_DMESG=y >>>>> CONFIG_GRKERNSEC_HARDEN_PTRACE=y >>>>> CONFIG_GRKERNSEC_PTRACE_READEXEC=y >>>>> # CONFIG_GRKERNSEC_SETXID is not set >>>>> CONFIG_GRKERNSEC_TPE=y >>>>> CONFIG_GRKERNSEC_TPE_ALL=y >>>>> # CONFIG_GRKERNSEC_TPE_INVERT is not set >>>>> CONFIG_GRKERNSEC_TPE_GID=101 >>>>> CONFIG_GRKERNSEC_RANDNET=y >>>>> CONFIG_GRKERNSEC_BLACKHOLE=y >>>>> CONFIG_GRKERNSEC_NO_SIMULT_CONNECT=y >>>>> # CONFIG_GRKERNSEC_SOCKET is not set >>>>> # CONFIG_GRKERNSEC_DENYUSB is not set >>>>> CONFIG_GRKERNSEC_SYSCTL=y >>>>> # CONFIG_GRKERNSEC_SYSCTL_DISTRO is not set >>>>> CONFIG_GRKERNSEC_SYSCTL_ON=y >>>>> # CONFIG_GRKERNSEC_SELINUX_AVC_LOG_IPADDR is not set >>>>> CONFIG_GRKERNSEC_FLOODTIME=10 >>>>> CONFIG_GRKERNSEC_FLOODBURST=6 >>>>> >>>>> Help would really be appreciated to get this working, because I'm >>>>> quite new to this and I have no idea what I've missed. >>>>> >>>>> -- >>>>> www.johntate.org >>>>> >>>> >>>> >>>> >>> >>> >>> >>> -- >>> www.johntate.org >> >> >> >> -- >> www.johntate.org >> >> > > > -- www.johntate.org
