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Eric Blake
fcbeb2e9d1
The previous patch hoisted some bounds checks to the callers; but someone that is not aware of the hoisted check could now try passing an integer between LLONG_MAX and ULLONG_MAX. As a safety measure, add new json conversion modes that let libvirt error out early instead of pass bad numbers to qemu, if the caller ever makes a mistake due to later refactoring. Convert the various blockjob QMP calls to use the new modes, and switch some of them to be optional (QMP has always supported an omitted "speed" the same as "speed":0, for everything except block-job-set-speed). * src/qemu/qemu_monitor_json.c (qemuMonitorJSONMakeCommandRaw): Add 'j'/'y' and 'J'/'Y' to error out on negative input. (qemuMonitorJSONDriveMirror, qemuMonitorJSONBlockCommit) (qemuMonitorJSONBlockJob): Use it. Signed-off-by: Eric Blake <eblake@redhat.com>
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>