[Qemu-devel] [Bug 1832877] [NEW] qemu-bridge-helper undocumented and broken

[Qemu-devel] [Bug 1832877] [NEW] qemu-bridge-helper undocumented and broken

[Michal Suchanek]

Public bug reported:

qemu output:

access denied by acl file
qemu-system-ppc64: bridge helper failed

Option description:

      -netdev bridge,id=id[,br=bridge][,helper=helper]
           Connect a host TAP network interface to a host bridge device.

           Use the network helper helper to configure the TAP interface and attach it to the bridge. The default network
           helper executable is /path/to/qemu-bridge-helper and the default bridge device is br0.

           Examples:

                   #launch a QEMU instance with the default network helper to
                   #connect a TAP device to bridge br0
                   qemu-system-i386 linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1


                   #launch a QEMU instance with the default network helper to
                   #connect a TAP device to bridge qemubr0
                   qemu-system-i386 linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1


What is the acl file? What is the interface to qemu-bridge-helper?

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1832877

Title:
  qemu-bridge-helper undocumented and broken

Status in QEMU:
  New

Bug description:
  qemu output:

  access denied by acl file
  qemu-system-ppc64: bridge helper failed

  Option description:

        -netdev bridge,id=id[,br=bridge][,helper=helper]
             Connect a host TAP network interface to a host bridge device.

             Use the network helper helper to configure the TAP interface and attach it to the bridge. The default network
             helper executable is /path/to/qemu-bridge-helper and the default bridge device is br0.

             Examples:

                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge br0
                     qemu-system-i386 linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1


                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge qemubr0
                     qemu-system-i386 linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1

  
  What is the acl file? What is the interface to qemu-bridge-helper?

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[Qemu-devel] [Bug 1832877] Re: qemu-bridge-helper undocumented and broken

[Michal Suchanek]

Also this is what bridge.conf contains:

# Access control file for qemu bridge helper
# Syntax consists of:
#   # comment (ignored)
#   allow all
#   allow <bridge_name>
#   deny all
#   deny <bridge_name>
#   include /path/to/additional/ACL/file
# Users are blacklisted by default and 'deny' takes precedence over 'allow'.
# Including additional ACL files allows file access permissions to be used as
# a component of the policy to allow access or deny access to specific bridges.

How are users specified? Or is the mention of users bogus?

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You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1832877

Title:
  qemu-bridge-helper undocumented and broken

Status in QEMU:
  New

Bug description:
  qemu output:

  access denied by acl file
  qemu-system-ppc64: bridge helper failed

  Option description:

        -netdev bridge,id=id[,br=bridge][,helper=helper]
             Connect a host TAP network interface to a host bridge device.

             Use the network helper helper to configure the TAP interface and attach it to the bridge. The default network
             helper executable is /path/to/qemu-bridge-helper and the default bridge device is br0.

             Examples:

                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge br0
                     qemu-system-i386 linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1


                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge qemubr0
                     qemu-system-i386 linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1

  
  What is the acl file? What is the interface to qemu-bridge-helper?

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[Bug 1832877] Re: qemu-bridge-helper undocumented and broken

[Thomas Huth]

This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:

 https://gitlab.com/qemu-project/qemu/-/issues/177


** Changed in: qemu
       Status: New => Expired

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #177
   https://gitlab.com/qemu-project/qemu/-/issues/177

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You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1832877

Title:
  qemu-bridge-helper undocumented and broken

Status in QEMU:
  Expired

Bug description:
  qemu output:

  access denied by acl file
  qemu-system-ppc64: bridge helper failed

  Option description:

        -netdev bridge,id=id[,br=bridge][,helper=helper]
             Connect a host TAP network interface to a host bridge device.

             Use the network helper helper to configure the TAP interface and attach it to the bridge. The default network
             helper executable is /path/to/qemu-bridge-helper and the default bridge device is br0.

             Examples:

                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge br0
                     qemu-system-i386 linux.img -netdev bridge,id=n1 -device virtio-net,netdev=n1


                     #launch a QEMU instance with the default network helper to
                     #connect a TAP device to bridge qemubr0
                     qemu-system-i386 linux.img -netdev bridge,br=qemubr0,id=n1 -device virtio-net,netdev=n1

  
  What is the acl file? What is the interface to qemu-bridge-helper?

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