[libvirt] [PATCH] examples: Add example polkit ACL rules
Jiri Denemark
jdenemar at redhat.com
Tue Aug 4 15:01:26 UTC 2015
Creating ACL rules is not exactly easy and existing examples are pretty
simple. This patch adds a somewhat complex example which defines three
roles (user, operator, admin) with different permissions.
Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
---
Makefile.am | 2 +-
configure.ac | 1 +
examples/polkit/Makefile.am | 17 ++++++
examples/polkit/libvirt-acl.rules | 124 ++++++++++++++++++++++++++++++++++++++
libvirt.spec.in | 3 +
5 files changed, 146 insertions(+), 1 deletion(-)
create mode 100644 examples/polkit/Makefile.am
create mode 100644 examples/polkit/libvirt-acl.rules
diff --git a/Makefile.am b/Makefile.am
index 91b943b..d338d5a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -23,7 +23,7 @@ SUBDIRS = . gnulib/lib include src daemon tools docs gnulib/tests \
tests po examples/object-events examples/hellolibvirt \
examples/dominfo examples/domsuspend examples/apparmor \
examples/xml/nwfilter examples/openauth examples/systemtap \
- tools/wireshark examples/dommigrate \
+ tools/wireshark examples/dommigrate examples/polkit \
examples/lxcconvert examples/domtop
ACLOCAL_AMFLAGS = -I m4
diff --git a/configure.ac b/configure.ac
index 46c80ce..d506c28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2805,6 +2805,7 @@ AC_CONFIG_FILES([\
examples/systemtap/Makefile \
examples/xml/nwfilter/Makefile \
examples/lxcconvert/Makefile \
+ examples/polkit/Makefile \
tools/wireshark/Makefile \
tools/wireshark/src/Makefile])
AC_OUTPUT
diff --git a/examples/polkit/Makefile.am b/examples/polkit/Makefile.am
new file mode 100644
index 0000000..4d213e8
--- /dev/null
+++ b/examples/polkit/Makefile.am
@@ -0,0 +1,17 @@
+## Copyright (C) 2015 Red Hat, Inc.
+##
+## This library is free software; you can redistribute it and/or
+## modify it under the terms of the GNU Lesser General Public
+## License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+## Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public
+## License along with this library. If not, see
+## <http://www.gnu.org/licenses/>.
+
+EXTRA_DIST = libvirt-acl.rules
diff --git a/examples/polkit/libvirt-acl.rules b/examples/polkit/libvirt-acl.rules
new file mode 100644
index 0000000..6a93206
--- /dev/null
+++ b/examples/polkit/libvirt-acl.rules
@@ -0,0 +1,124 @@
+function Role(name) {
+ this.name = name;
+
+ this.actions = [];
+ this.users = [];
+ this.groups = [];
+
+ this.lookup = function(subject) {
+ if (this.users.indexOf(subject.user) >= 0)
+ return true;
+
+ for (var i = 0; i < subject.groups.length; i++) {
+ if (this.groups.indexOf(subject.groups[i]) >= 0)
+ return true;
+ }
+
+ return false;
+ };
+
+ this.lookupAction = function(action) {
+ action = action.id.replace("org.libvirt.api.", "");
+ if (this.actions.indexOf(action) >= 0)
+ return true;
+ else
+ return false;
+ };
+}
+
+
+/* Basic operations and monitoring. */
+var user = new Role("user");
+user.users = ["user1", "user2", "user3"];
+user.groups = ["group1", "group2"];
+
+/* Same as users plus some privileged operations. */
+var operator = new Role("operator");
+operator.users = ["powerUser1", "powerUser2"];
+operator.groups = ["powerGroup1", "powerGroup2", "powerGroup3"];
+
+/* Full access. */
+var admin = new Role("admin");
+admin.users = ["adminUser1"];
+admin.groups = ["adminGroup1"];
+
+
+user.actions = [
+ "domain.core-dump",
+ "domain.fs-freeze",
+ "domain.fs-trim",
+ "domain.getattr",
+ "domain.hibernate",
+ "domain.init-control",
+ "domain.inject-nmi",
+ "domain.open-device",
+ "domain.open-graphics",
+ "domain.pm-control",
+ "domain.read",
+ "domain.reset",
+ "domain.save",
+ "domain.screenshot",
+ "domain.send-input",
+ "domain.send-signal",
+ "domain.set-password",
+ "domain.set-time",
+ "domain.snapshot",
+ "domain.start",
+ "domain.stop",
+ "domain.suspend"
+];
+operator.actions = [
+ "domain.delete",
+ "domain.migrate",
+ "domain.read-secure",
+ "domain.write",
+ "network.delete",
+ "network.getattr",
+ "network.read",
+ "network.save",
+ "network.start",
+ "network.stop",
+ "network.write",
+ "nwfilter.delete",
+ "nwfilter.getattr",
+ "nwfilter.read",
+ "nwfilter.save",
+ "nwfilter.write",
+ "secret.delete",
+ "secret.getattr",
+ "secret.read",
+ "secret.read-secure",
+ "secret.save",
+ "secret.write",
+ "storage-pool.refresh",
+ "storage-vol.create",
+ "storage-vol.data-read",
+ "storage-vol.data-write",
+ "storage-vol.delete",
+ "storage-vol.format",
+ "storage-vol.getattr",
+ "storage-vol.read",
+ "storage-vol.resize"
+];
+
+polkit.addRule(function(action, subject) {
+ if (action.id.indexOf("org.libvirt.api.") != 0)
+ return polkit.Result.NOT_HANDLED;
+
+ if (admin.lookup(subject))
+ return polkit.Result.YES;
+
+ if (operator.lookupAction(action)) {
+ if (operator.lookup(subject))
+ return polkit.Result.YES;
+ else
+ return polkit.Result.NO;
+ } else if (user.lookupAction(action)) {
+ if (operator.lookup(subject) || user.lookup(subject))
+ return polkit.Result.YES;
+ else
+ return polkit.Result.NO;
+ } else {
+ return polkit.Result.NOT_HANDLED;
+ }
+});
diff --git a/libvirt.spec.in b/libvirt.spec.in
index 9a6139a..845efd2 100644
--- a/libvirt.spec.in
+++ b/libvirt.spec.in
@@ -2039,6 +2039,9 @@ exit 0
%endif # ! %{with_driver_modules}
%if %{with_network}
+
+%doc examples/polkit/*.rules
+
%files daemon-config-network
%defattr(-, root, root)
%dir %{_datadir}/libvirt/networks/
--
2.5.0
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