1 # Derived from portconquery.py 2 # 3 # This file is part of SETools. 4 # 5 # SETools is free software: you can redistribute it and/or modify 6 # it under the terms of the GNU Lesser General Public License as 7 # published by the Free Software Foundation, either version 2.1 of 8 # the License, or (at your option) any later version. 9 # 10 # SETools is distributed in the hope that it will be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU Lesser General Public License for more details. 14 # 15 # You should have received a copy of the GNU Lesser General Public 16 # License along with SETools. If not, see 17 # <http://www.gnu.org/licenses/>. 18 # 19 import logging 20 21 from .mixins import MatchContext 22 from .query import PolicyQuery 23 24 25 class PcideviceconQuery(MatchContext, PolicyQuery): 26 27 """ 28 Pcidevicecon context query. 29 30 Parameter: 31 policy The policy to query. 32 33 Keyword Parameters/Class attributes: 34 device A single PCI device ID. 35 36 user The criteria to match the context's user. 37 user_regex If true, regular expression matching 38 will be used on the user. 39 40 role The criteria to match the context's role. 41 role_regex If true, regular expression matching 42 will be used on the role. 43 44 type_ The criteria to match the context's type. 45 type_regex If true, regular expression matching 46 will be used on the type. 47 48 range_ The criteria to match the context's range. 49 range_subset If true, the criteria will match if it is a subset 50 of the context's range. 51 range_overlap If true, the criteria will match if it overlaps 52 any of the context's range. 53 range_superset If true, the criteria will match if it is a superset 54 of the context's range. 55 range_proper If true, use proper superset/subset operations. 56 No effect if not using set operations. 57 """ 58 59 _device = None 60 61 @property 62 def device(self): 63 return self._device 64 65 @device.setter 66 def device(self, value): 67 if value: 68 if value < 1: 69 raise ValueError("PCI device ID must be positive: {0}".format(value)) 70 71 self._device = value 72 else: 73 self._device = None 74 75 def __init__(self, policy, **kwargs): 76 super(PcideviceconQuery, self).__init__(policy, **kwargs) 77 self.log = logging.getLogger(__name__) 78 79 def results(self): 80 """Generator which yields all matching pcidevicecons.""" 81 self.log.info("Generating results from {0.policy}".format(self)) 82 self.log.debug("Device ID: {0.device!r}".format(self)) 83 self._match_context_debug(self.log) 84 85 for pcidevicecon in self.policy.pcidevicecons(): 86 87 if self.device and self.device != pcidevicecon.device: 88 continue 89 90 if not self._match_context(pcidevicecon.context): 91 continue 92 93 yield pcidevicecon 94
