diff options
Diffstat (limited to 'contrib/apparmor/usr.bin.passt')
| -rw-r--r-- | contrib/apparmor/usr.bin.passt | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/contrib/apparmor/usr.bin.passt b/contrib/apparmor/usr.bin.passt index 564f82f..62a4514 100644 --- a/contrib/apparmor/usr.bin.passt +++ b/contrib/apparmor/usr.bin.passt @@ -19,9 +19,33 @@ profile passt /usr/bin/passt{,.avx2} { include <abstractions/passt> # Alternatively: include <abstractions/user-tmp> - owner /tmp/** w, # tap_sock_unix_init(), pcap(), - # write_pidfile(), + owner /tmp/** w, # tap_sock_unix_open(), + # tap_sock_unix_init(), pcap(), + # pidfile_open(), + # pidfile_write(), # logfile_init() - owner @{HOME}/** w, # pcap(), write_pidfile() + owner @{HOME}/** w, # pcap(), pidfile_open(), + # pidfile_write() + + # Workaround: libvirt's profile comes with a passt subprofile which includes, + # in turn, <abstractions/passt>, and adds libvirt-specific rules on top, to + # allow passt (when started by libvirtd) to write socket and PID files in the + # location requested by libvirtd itself, and to execute passt itself. + # + # However, when libvirt runs as unprivileged user, the mechanism based on + # virt-aa-helper, designed to build per-VM profiles as guests are started, + # doesn't work. The helper needs to create and load profiles on the fly, which + # can't be done by unprivileged users, of course. + # + # As a result, libvirtd runs unconfined if guests are started by unprivileged + # users, starting passt unconfined as well, which means that passt runs under + # its own stand-alone profile (this one), which implies in turn that execve() + # of /usr/bin/passt is not allowed, and socket and PID files can't be written. + # + # Duplicate libvirt-specific rules here as long as this is not solved in + # libvirt's profile itself. + /usr/bin/passt r, + owner @{run}/user/[0-9]*/libvirt/qemu/run/passt/* rw, + owner @{run}/libvirt/qemu/passt/* rw, } |