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--- wiki:experiences:igraltist:kvm_guest_jail [2009/04/13 00:30] – (old revision restored) 127.0.0.1
+++ wiki:experiences:igraltist:kvm_guest_jail [2011/01/07 13:39] (current) – (old revision restored) 127.0.0.1
@@ Line 1: / Line 1: @@
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+[[wiki:experiences/igraltist#kvm_on_rsbac|Back to igraltist's experiences/KVM on RSBAC]]
+====== Start kvmguest with rsbac_jail ======
+Based on the [[wiki:experiences/igraltist/run-jail#run-jail|run-jail]] script and [[wiki:experiences/igraltist/kvm#kvm-admin|kvm-admin]] i do this.
+===== kvm-jail-config =====
+<code bash>
+;
+; RSBAC JAIL definition for kvm
+; 20080507
+;
+; Tested by igraltist
+;
+""
+"0.0.0.0"
+(allow-dev-read
+allow-dev-write
+allow-ipc-syslog
+allow-ipc-parent
+allow-inet-raw
+allow-all-net-family)
+(net-raw
+setgid
+setuid
+dac-override
+net-admin
+dac-read-search
+sys-resource
+sys-module)
+()
+(rlimit)
+</code>
+===== start kvm-guest =====
+See on this [[wiki:experiences/igraltist/kvm#example kvm-guest-config|example kvm-guest-config]] the content from file.
+<code bash>
+kvm-admin start example
+uid=1003(kvm) gid=1003(kvm) Gruppen=1003(kvm),6(disk),85(usb)
+[Errno 2] No such file or directory: '/vmserver/qemu.img'
+Using already existing Tap device.
+Setting up tun-tap-device, done ....
+The follow command would be executing:
+['run-jail', 'kvm', '/usr/local/kvm/72/bin/qemu-system-x86_64', '-cdrom', '/usr/src/ISOS/debian-40r3-i386-netinst.iso', '-net', 'nic,vlan=0,macaddr=A9:B9:C9:D9:E9:F0,model=rtl8139', -net', 'tap,vlan=0,ifname=iface_test,script=/etc/kvm/scripts/kvm-dmz-ifup', '-vnc', ':4', '-m', '265', '-boot', 'd', '-k', 'en-us', '-pidfile', '/var/run/kvm/example.pid', '-smp', '2', '-L', '/usr/local/kvm/72/share/qemu', '-usb', '-usbdevice', 'tablet', '-name', 'example', '-no-fd-bootchk', '-daemonize', '-std-vga', '-localtime']
+</code>
+\\
+Now I start a guest.
+<code bash>
+kvm-admin start vserver
+uid=1003(kvm) gid=1003(kvm) Gruppen=1003(kvm),6(disk),85(usb)
+SIOCSIFADDR: Die Operation ist nicht erlaubt
+SIOCSIFFLAGS: Die Operation ist nicht erlaubt
+SIOCSIFFLAGS: Die Operation ist nicht erlaubt
+SIOCSIFFLAGS: Die Operation ist nicht erlaubt
+can't add vserver to bridge eth1: Operation not permitted
+(if it already there: device vserver is already a member of a bridge; can't enslave it to bridge eth1.)
+</code>
+If we must add the tap-device = vserver manually to the bridge.\\
+In the example is the bridge name dmz_bridge and the tun-tap device name is vserver.
+<code bash>
+brctl addif dmz_bridge vserver
+ifconfig vserver up
+</code>
+This I see in the rsbac-log, but the guest is running.
+<code bash>
+<6>0000001281|rsbac_adf_request(): request BIND, pid 3706, ppid 3705, prog_name ifconfig, prog_file /sbin/ifconfig, uid 0, audit uid 1003, remote ip 192.168.1.5, target_type NETDEV, tid vserver, attr none, value none, result NOT_GRANTED by JAIL
+<6>0000001282|rsbac_adf_request(): request MODIFY_SYSTEM_DATA, pid 3706, ppid 3705, prog_name ifconfig, prog_file /sbin/ifconfig, uid 0, audit uid 1003, remote ip 192.168.1.5, target_type NETDEV, tid vserver, attr none, value none, result NOT_GRANTED by JAIL
+<6>0000001283|rsbac_adf_request(): request MODIFY_SYSTEM_DATA, pid 3706, ppid 3705, prog_name ifconfig, prog_file /sbin/ifconfig, uid 0, audit uid 1003, remote ip 192.168.1.5, target_type NETDEV, tid vserver, attr none, value none, result NOT_GRANTED by JAIL
+<6>0000001284|rsbac_adf_request(): request MODIFY_SYSTEM_DATA, pid 3706, ppid 3705, prog_name ifconfig, prog_file /sbin/ifconfig, uid 0, audit uid 1003, remote ip 192.168.1.5, target_type NETDEV, tid vserver, attr none, value none, result NOT_GRANTED by JAIL
+<6>0000001285|rsbac_adf_request(): request MODIFY_SYSTEM_DATA, pid 3707, ppid 3705, prog_name brctl, prog_file /sbin/brctl, uid 0, audit uid 1003, remote ip 192.168.1.5, target_type NETDEV, tid eth1, attr none, value none, result NOT_GRANTED by JAIL
+</code>
+===== show-jail-info =====
+Do this:
+<code bash>cat /proc/rsbac-info/jail</code>
+or you can use this:\\
+[[http://svn.kasten-edv.de/svn/rsbac/trunk/bin/ps-jail.py]]
+\\
+I get this output. Its very similar to the above.
+\\
+<code bash>
+./ps-jail.py
+Loading Jail info for Processes, done.
+--------------------------------------------------------------------------------
+	Processname          Pid  Jail-ID Flags Max-caps  SCD-get  SCD-mod Jail-IP
+	ntpd                7337      7  1539 50349250        0  6291491 0.0.0.0
+	dmeventd            7281      6  1537      -1        0  2113536 0.0.0.0
+	cupsd                7103      3  1546      -1        0      32 0.0.0.0
+	dhcpd                7224      5  67083  271555        0        0 0.0.0.0
+	pickup              3286      8  67073      -1        0      32 0.0.0.0
+	qemu-system-x86      3704    28  71178 16855238        0      32 0.0.0.0
+	master              7441      8  67073      -1        0      32 0.0.0.0
+	smbd                7560    10  1538 17302752        0      32 0.0.0.0
+	qemu-system-x86    29614    26  71178 16855238        0      32 0.0.0.0
+	qmgr                7448      8  67073      -1        0      32 0.0.0.0
+	nmbd                7561    11  1538 17302752        0      32 0.0.0.0
+	syslog-ng          11370    13  40448      -1        0        0 0.0.0.0
+	cron                11428    14  71168      -1        0      32 0.0.0.0
+	pdnsd              12945    16  71176 17310912  262144    16416 0.0.0.0
+	qemu-system-x86    25748    23  71178 16855238        0      32 0.0.0.0
+	qemu-system-x86    26053    24  71178 16855238        0      32 0.0.0.0
+	portmap              6242      2  1537      -1        0        0 0.0.0.0
+	smbd                7556    10  1538 17302752        0      32 0.0.0.0
+	--------------------------------------------------------------------------------
+It took 0.94s seconds.
+</code>
+Fixme: convert numbers in readable names.
+[[wiki:experiences/igraltist/kvm_guest_jail#Start kvmguest with rsbac_jail|Top]]

//