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By specifying parentIndex in a call to virNetworkUpdate(), it was possible to direct libvirt to add a dhcp range or static host of a non-matching address family to the <dhcp> element of an <ip>. For example, given: <ip address='192.168.122.1' netmask='255.255.255.0'/> <ip family='ipv6' address='2001:db6:ca3:45::1' prefix='64'/> you could provide a static host entry with an IPv4 address, and specify that it be added to the 2nd <ip> element (index 1): virsh net-update default add ip-dhcp-host --parent-index 1 \ '<host mac="52:54:00:00:00:01" ip="192.168.122.45"/>' This would be happily added with no error (and no concern of any possible future consequences). This patch checks that any dhcp range or host element being added to a network ip's <dhcp> subelement has addresses of the same family as the ip element they are being added to. This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1184736 (cherry picked from commit 6a21bc119e37bafcbe5cfd13e57080d651296b43)
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>