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1#
2# Copyright (c) 2011 Thomas Graf <tgraf@suug.ch>
3#
4
5"""IPv4
6
7"""
8
9from __future__ import absolute_import
10
11__all__ = [
12    '',
13]
14
15from ... import core as netlink
16from ..  import capi as capi
17from ... import util as util
18DEVCONF_FORWARDING = 1
19DEVCONF_MC_FORWARDING = 2
20DEVCONF_PROXY_ARP = 3
21DEVCONF_ACCEPT_REDIRECTS = 4
22DEVCONF_SECURE_REDIRECTS = 5
23DEVCONF_SEND_REDIRECTS = 6
24DEVCONF_SHARED_MEDIA = 7
25DEVCONF_RP_FILTER = 8
26DEVCONF_ACCEPT_SOURCE_ROUTE = 9
27DEVCONF_BOOTP_RELAY = 10
28DEVCONF_LOG_MARTIANS = 11
29DEVCONF_TAG = 12
30DEVCONF_ARPFILTER = 13
31DEVCONF_MEDIUM_ID = 14
32DEVCONF_NOXFRM = 15
33DEVCONF_NOPOLICY = 16
34DEVCONF_FORCE_IGMP_VERSION = 17
35DEVCONF_ARP_ANNOUNCE = 18
36DEVCONF_ARP_IGNORE = 19
37DEVCONF_PROMOTE_SECONDARIES = 20
38DEVCONF_ARP_ACCEPT = 21
39DEVCONF_ARP_NOTIFY = 22
40DEVCONF_ACCEPT_LOCAL = 23
41DEVCONF_SRC_VMARK = 24
42DEVCONF_PROXY_ARP_PVLAN = 25
43DEVCONF_MAX = DEVCONF_PROXY_ARP_PVLAN
44
45def _resolve(id):
46    if type(id) is str:
47        id = capi.rtnl_link_inet_str2devconf(id)[0]
48        if id < 0:
49            raise NameError('unknown configuration id')
50    return id
51
52class InetLink(object):
53    def __init__(self, link):
54        self._link = link
55
56    def details(self, fmt):
57        buf = fmt.nl('\n\t{0}\n\t'.format(util.title('Configuration:')))
58
59        for i in range(DEVCONF_FORWARDING, DEVCONF_MAX+1):
60            if i & 1 and i > 1:
61                buf += fmt.nl('\t')
62            txt = util.kw(capi.rtnl_link_inet_devconf2str(i, 32)[0])
63            buf += fmt.format('{0:28s} {1:12}  ', txt,
64                      self.get_conf(i))
65
66
67        return buf
68
69    def get_conf(self, id):
70        return capi.inet_get_conf(self._link._rtnl_link, _resolve(id))
71
72    def set_conf(self, id, value):
73        return capi.rtnl_link_inet_set_conf(self._link._rtnl_link,
74                        _resolve(id), int(value))
75
76    @property
77    @netlink.nlattr(type=bool, fmt=util.boolean)
78    def forwarding(self):
79        return bool(self.get_conf(DEVCONF_FORWARDING))
80
81    @forwarding.setter
82    def forwarding(self, value):
83        self.set_conf(DEVCONF_FORWARDING, int(value))
84
85
86    @property
87    @netlink.nlattr(type=bool, fmt=util.boolean)
88    def mc_forwarding(self):
89        return bool(self.get_conf(DEVCONF_MC_FORWARDING))
90
91    @mc_forwarding.setter
92    def mc_forwarding(self, value):
93        self.set_conf(DEVCONF_MC_FORWARDING, int(value))
94
95
96    @property
97    @netlink.nlattr(type=bool, fmt=util.boolean)
98    def proxy_arp(self):
99        return bool(self.get_conf(DEVCONF_PROXY_ARP))
100
101    @proxy_arp.setter
102    def proxy_arp(self, value):
103        self.set_conf(DEVCONF_PROXY_ARP, int(value))
104
105    @property
106    @netlink.nlattr(type=bool, fmt=util.boolean)
107    def accept_redirects(self):
108        return bool(self.get_conf(DEVCONF_ACCEPT_REDIRECTS))
109
110    @accept_redirects.setter
111    def accept_redirects(self, value):
112        self.set_conf(DEVCONF_ACCEPT_REDIRECTS, int(value))
113
114    @property
115    @netlink.nlattr(type=bool, fmt=util.boolean)
116    def secure_redirects(self):
117        return bool(self.get_conf(DEVCONF_SECURE_REDIRECTS))
118
119    @secure_redirects.setter
120    def secure_redirects(self, value):
121        self.set_conf(DEVCONF_SECURE_REDIRECTS, int(value))
122
123    @property
124    @netlink.nlattr(type=bool, fmt=util.boolean)
125    def send_redirects(self):
126        return bool(self.get_conf(DEVCONF_SEND_REDIRECTS))
127
128    @send_redirects.setter
129    def send_redirects(self, value):
130        self.set_conf(DEVCONF_SEND_REDIRECTS, int(value))
131
132    @property
133    @netlink.nlattr(type=bool, fmt=util.boolean)
134    def shared_media(self):
135        return bool(self.get_conf(DEVCONF_SHARED_MEDIA))
136
137    @shared_media.setter
138    def shared_media(self, value):
139        self.set_conf(DEVCONF_SHARED_MEDIA, int(value))
140
141#	IPV4_DEVCONF_RP_FILTER,
142#	IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE,
143#	IPV4_DEVCONF_BOOTP_RELAY,
144#	IPV4_DEVCONF_LOG_MARTIANS,
145#	IPV4_DEVCONF_TAG,
146#	IPV4_DEVCONF_ARPFILTER,
147#	IPV4_DEVCONF_MEDIUM_ID,
148#	IPV4_DEVCONF_NOXFRM,
149#	IPV4_DEVCONF_NOPOLICY,
150#	IPV4_DEVCONF_FORCE_IGMP_VERSION,
151#	IPV4_DEVCONF_ARP_ANNOUNCE,
152#	IPV4_DEVCONF_ARP_IGNORE,
153#	IPV4_DEVCONF_PROMOTE_SECONDARIES,
154#	IPV4_DEVCONF_ARP_ACCEPT,
155#	IPV4_DEVCONF_ARP_NOTIFY,
156#	IPV4_DEVCONF_ACCEPT_LOCAL,
157#	IPV4_DEVCONF_SRC_VMARK,
158#	IPV4_DEVCONF_PROXY_ARP_PVLAN,
159