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virt-aa-helper: grant locking permission on -f

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Hot-adding disks does not parse the full XML to generate apparmor rules.
Instead it uses -f <PATH> to append a generic rule for that file path.

580cdaa7: "virt-aa-helper: locking disk files for qemu 2.10" implemented
the qemu 2.10 requirement to allow locking on disks images that are part of
the domain xml.

But on attach-device a user will still trigger an apparmor deny by going
through virt-aa-helper -f, to fix that add the lock "k" permission to the
append file case of virt-aa-helper.

Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
This commit is contained in:
Christian Ehrhardt 2017-10-24 16:54:59 +02:00 committed by Michal Privoznik
parent 8def32157a
commit 07fc5c9c06
1 changed files with 2 additions and 2 deletions
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4
src/security/virt-aa-helper.c
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@ -1157,7 +1157,7 @@ get_files(vahControl * ctl)
}
if (ctl->newfile)
if (vah_add_file(&buf, ctl->newfile, "rw") != 0)
if (vah_add_file(&buf, ctl->newfile, "rwk") != 0)
goto cleanup;
if (virBufferError(&buf)) {
@ -1341,7 +1341,7 @@ main(int argc, char **argv)
vah_error(ctl, 1, _("profile exists"));
if (ctl->append && ctl->newfile) {
if (vah_add_file(&buf, ctl->newfile, "rw") != 0)
if (vah_add_file(&buf, ctl->newfile, "rwk") != 0)
goto cleanup;
} else {
if (ctl->def->virtType == VIR_DOMAIN_VIRT_QEMU ||