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bf3a414087
libusb as used by qemu needs to read data from /run/udev/data/ about usb devices. That is read once on the first initialization of libusb_init by qemu. Therefore generating just the device we need would not be sufficient as another hotplug later can need another device which would fail as the data is no more re-read at this point. But we can restrict the paths very much to just the major number of potential usb devices which will make it match approximately the detail that e.g. an lsusb -v would reveal - that is much safer than the "/run/udev/data/* r" blanket many users are using now as a workaround. Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
181 lines
5.0 KiB
Plaintext
181 lines
5.0 KiB
Plaintext
# Last Modified: Wed Sep 3 21:52:03 2014
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#include <abstractions/base>
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#include <abstractions/consoles>
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#include <abstractions/nameservice>
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# required for reading disk images
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capability dac_override,
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capability dac_read_search,
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capability chown,
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# needed to drop privileges
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capability setgid,
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capability setuid,
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network inet stream,
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network inet6 stream,
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/dev/net/tun rw,
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/dev/kvm rw,
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/dev/ptmx rw,
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/dev/kqemu rw,
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@{PROC}/*/status r,
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# Per man(5) proc, the kernel enforces that a thread may
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# only modify its comm value or those in its thread group.
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owner @{PROC}/@{pid}/task/@{tid}/comm rw,
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@{PROC}/sys/kernel/cap_last_cap r,
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# For hostdev access. The actual devices will be added dynamically
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/sys/bus/usb/devices/ r,
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/sys/devices/**/usb[0-9]*/** r,
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# libusb needs udev data about usb devices (~equal to content of lsusb -v)
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/run/udev/data/c16[6,7]* r,
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/run/udev/data/c18[0,8,9]* r,
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# WARNING: this gives the guest direct access to host hardware and specific
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# portions of shared memory. This is required for sound using ALSA with kvm,
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# but may constitute a security risk. If your environment does not require
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# the use of sound in your VMs, feel free to comment out or prepend 'deny' to
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# the rules for files in /dev.
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/{dev,run}/shm r,
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/{dev,run}/shmpulse-shm* r,
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/{dev,run}/shmpulse-shm* rwk,
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/dev/snd/* rw,
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capability ipc_lock,
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# spice
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owner /{dev,run}/shm/spice.* rw,
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# 'kill' is not required for sound and is a security risk. Do not enable
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# unless you absolutely need it.
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deny capability kill,
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# Uncomment the following if you need access to /dev/fb*
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#/dev/fb* rw,
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/etc/pulse/client.conf r,
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@{HOME}/.pulse-cookie rwk,
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owner /root/.pulse-cookie rwk,
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owner /root/.pulse/ rw,
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owner /root/.pulse/* rw,
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/usr/share/alsa/** r,
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owner /tmp/pulse-*/ rw,
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owner /tmp/pulse-*/* rw,
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/var/lib/dbus/machine-id r,
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# access to firmware's etc
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/usr/share/kvm/** r,
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/usr/share/qemu/** r,
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/usr/share/qemu-kvm/** r,
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/usr/share/bochs/** r,
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/usr/share/openbios/** r,
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/usr/share/openhackware/** r,
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/usr/share/proll/** r,
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/usr/share/vgabios/** r,
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/usr/share/seabios/** r,
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/usr/share/ovmf/** r,
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/usr/share/OVMF/** r,
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/usr/share/AAVMF/** r,
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/usr/share/qemu-efi/** r,
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/usr/share/slof/** r,
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# access PKI infrastructure
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/etc/pki/libvirt-vnc/** r,
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# the various binaries
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/usr/bin/kvm rmix,
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/usr/bin/qemu rmix,
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/usr/bin/qemu-kvm rmix,
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/usr/bin/qemu-system-aarch64 rmix,
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/usr/bin/qemu-system-alpha rmix,
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/usr/bin/qemu-system-arm rmix,
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/usr/bin/qemu-system-cris rmix,
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/usr/bin/qemu-system-i386 rmix,
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/usr/bin/qemu-system-lm32 rmix,
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/usr/bin/qemu-system-m68k rmix,
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/usr/bin/qemu-system-microblaze rmix,
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/usr/bin/qemu-system-microblazeel rmix,
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/usr/bin/qemu-system-mips rmix,
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/usr/bin/qemu-system-mips64 rmix,
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/usr/bin/qemu-system-mips64el rmix,
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/usr/bin/qemu-system-mipsel rmix,
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/usr/bin/qemu-system-moxie rmix,
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/usr/bin/qemu-system-or32 rmix,
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/usr/bin/qemu-system-ppc rmix,
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/usr/bin/qemu-system-ppc64 rmix,
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/usr/bin/qemu-system-ppcemb rmix,
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/usr/bin/qemu-system-s390x rmix,
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/usr/bin/qemu-system-sh4 rmix,
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/usr/bin/qemu-system-sh4eb rmix,
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/usr/bin/qemu-system-sparc rmix,
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/usr/bin/qemu-system-sparc64 rmix,
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/usr/bin/qemu-system-tricore rmix,
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/usr/bin/qemu-system-unicore32 rmix,
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/usr/bin/qemu-system-x86_64 rmix,
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/usr/bin/qemu-system-xtensa rmix,
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/usr/bin/qemu-system-xtensaeb rmix,
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/usr/bin/qemu-aarch64 rmix,
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/usr/bin/qemu-alpha rmix,
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/usr/bin/qemu-arm rmix,
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/usr/bin/qemu-armeb rmix,
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/usr/bin/qemu-cris rmix,
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/usr/bin/qemu-i386 rmix,
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/usr/bin/qemu-m68k rmix,
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/usr/bin/qemu-microblaze rmix,
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/usr/bin/qemu-microblazeel rmix,
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/usr/bin/qemu-mips rmix,
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/usr/bin/qemu-mips64 rmix,
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/usr/bin/qemu-mips64el rmix,
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/usr/bin/qemu-mipsel rmix,
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/usr/bin/qemu-mipsn32 rmix,
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/usr/bin/qemu-mipsn32el rmix,
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/usr/bin/qemu-nbd rmix,
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/usr/bin/qemu-or32 rmix,
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/usr/bin/qemu-ppc rmix,
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/usr/bin/qemu-ppc64 rmix,
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/usr/bin/qemu-ppc64abi32 rmix,
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/usr/bin/qemu-ppc64le rmix,
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/usr/bin/qemu-s390x rmix,
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/usr/bin/qemu-sh4 rmix,
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/usr/bin/qemu-sh4eb rmix,
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/usr/bin/qemu-sparc rmix,
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/usr/bin/qemu-sparc32plus rmix,
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/usr/bin/qemu-sparc64 rmix,
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/usr/bin/qemu-unicore32 rmix,
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/usr/bin/qemu-x86_64 rmix,
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/usr/{lib,lib64}/qemu/block-curl.so mr,
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/usr/{lib,lib64}/qemu/block-rbd.so mr,
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# for use by libvirt-vnc (LP: #901272)
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/etc/pki/CA/ r,
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/etc/pki/CA/* r,
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/etc/pki/libvirt/ r,
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/etc/pki/libvirt/** r,
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# for save and resume
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/{usr/,}bin/dash rmix,
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/{usr/,}bin/dd rmix,
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/{usr/,}bin/cat rmix,
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# for restore
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/{usr/,}bin/bash rmix,
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# for usb access
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/dev/bus/usb/ r,
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/etc/udev/udev.conf r,
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/sys/bus/ r,
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/sys/class/ r,
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# for rbd
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/etc/ceph/ceph.conf r,
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# for ppc device-tree access
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@{PROC}/device-tree/ r,
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@{PROC}/device-tree/** r,
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/sys/firmware/devicetree/** r,
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# for gathering information about available host resources
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/sys/devices/system/cpu/ r,
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/sys/devices/system/node/ r,
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/sys/devices/system/node/node[0-9]*/meminfo r,
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/sys/module/vhost/parameters/max_mem_regions r,
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