wiki:experiences:igraltist:kvm_guest_jail
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wiki:experiences:igraltist:kvm_guest_jail [2009/07/18 00:00]
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wiki:experiences:igraltist:kvm_guest_jail [2009/08/05 23:30]
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 +-  
 +-  
 +-  
 +- ====== 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)  
 +- SIOCSIFADDRDie 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 eth1Operation 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 outputIts 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]]  
 +-  
 +-  
 +  
 +  
//
wiki/experiences/igraltist/kvm_guest_jail.txt · Last modified: 2011/01/07 14:39 by 127.0.0.1

wiki/experiences/igraltist/kvm_guest_jail.txt · Last modified: 2011/01/07 14:39 by 127.0.0.1
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