1 files changed, 124 insertions, 0 deletions
diff --git a/lib/python2.7/site-packages/setools/iomemconquery.py b/lib/python2.7/site-packages/setools/iomemconquery.py
new file mode 100644
index 0000000..cc1c69a
--- /dev/null
+++ b/lib/python2.7/site-packages/setools/iomemconquery.py
@@ -0,0 +1,124 @@
+# Derived from portconquery.py
+#
+# This file is part of SETools.
+#
+# SETools 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.
+#
+# SETools 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 SETools.  If not, see
+# <http://www.gnu.org/licenses/>.
+#
+import logging
+
+from .mixins import MatchContext
+from .policyrep.xencontext import addr_range
+from .query import PolicyQuery
+from .util import match_range
+
+
+class IomemconQuery(MatchContext, PolicyQuery):
+
+    """
+    Iomemcon context query.
+
+    Parameter:
+    policy          The policy to query.
+
+    Keyword Parameters/Class attributes:
+    addr            A 2-tuple of the memory addr range to match. (Set both to
+                    the same value for a single mem addr)
+    addr_subset     If true, the criteria will match if it is a subset
+                    of the iomemcon's range.
+    addr_overlap    If true, the criteria will match if it overlaps
+                    any of the iomemcon's range.
+    addr_superset   If true, the criteria will match if it is a superset
+                    of the iomemcon's range.
+    addr_proper     If true, use proper superset/subset operations.
+                    No effect if not using set operations.
+
+    user            The criteria to match the context's user.
+    user_regex      If true, regular expression matching
+                    will be used on the user.
+
+    role            The criteria to match the context's role.
+    role_regex      If true, regular expression matching
+                    will be used on the role.
+
+    type_           The criteria to match the context's type.
+    type_regex      If true, regular expression matching
+                    will be used on the type.
+
+    range_          The criteria to match the context's range.
+    range_subset    If true, the criteria will match if it is a subset
+                    of the context's range.
+    range_overlap   If true, the criteria will match if it overlaps
+                    any of the context's range.
+    range_superset  If true, the criteria will match if it is a superset
+                    of the context's range.
+    range_proper    If true, use proper superset/subset operations.
+                    No effect if not using set operations.
+    """
+
+    _addr = None
+    addr_subset = False
+    addr_overlap = False
+    addr_superset = False
+    addr_proper = False
+
+    @property
+    def addr(self):
+        return self._addr
+
+    @addr.setter
+    def addr(self, value):
+        pending_addr = addr_range(*value)
+
+        if all(pending_addr):
+            if pending_addr.low < 1 or pending_addr.high < 1:
+                raise ValueError("Memory address must be positive: {0.low}-{0.high}".
+                                 format(pending_addr))
+
+            if pending_addr.low > pending_addr.high:
+                raise ValueError(
+                    "The low mem addr must be smaller than the high mem addr: {0.low}-{0.high}".
+                    format(pending_addr))
+
+            self._addr = pending_addr
+        else:
+            self._addr = None
+
+    def __init__(self, policy, **kwargs):
+        super(IomemconQuery, self).__init__(policy, **kwargs)
+        self.log = logging.getLogger(__name__)
+
+    def results(self):
+        """Generator which yields all matching iomemcons."""
+        self.log.info("Generating results from {0.policy}".format(self))
+        self.log.debug("Address: {0.addr!r}, overlap: {0.addr_overlap}, "
+                       "subset: {0.addr_subset}, superset: {0.addr_superset}, "
+                       "proper: {0.addr_proper}".format(self))
+        self._match_context_debug(self.log)
+
+        for iomemcon in self.policy.iomemcons():
+
+            if self.addr and not match_range(
+                    iomemcon.addr,
+                    self.addr,
+                    self.addr_subset,
+                    self.addr_overlap,
+                    self.addr_superset,
+                    self.addr_proper):
+                continue
+
+            if not self._match_context(iomemcon.context):
+                continue
+
+            yield iomemcon