]>
Commit | Line | Data |
---|---|---|
198ded6a JF |
1 | # Copyright (c) 2009-2013, Exa Networks Limited |
2 | # Copyright (c) 2009-2013, Thomas Mangin | |
3 | # Copyright (c) 2015 Cumulus Networks, Inc. | |
4 | # | |
5 | # All rights reserved. | |
6 | # Redistribution and use in source and binary forms, with or without | |
7 | # modification, are permitted provided that the following conditions are met: | |
8 | # | |
9 | # Redistributions of source code must retain the above copyright notice, this | |
10 | # list of conditions and the following disclaimer. | |
11 | # | |
12 | # Redistributions in binary form must reproduce the above copyright notice, | |
13 | # this list of conditions and the following disclaimer in the documentation | |
14 | # and/or other materials provided with the distribution. | |
15 | # | |
16 | # The names of the Exa Networks Limited, Cumulus Networks, Inc. nor the names | |
17 | # of its contributors may be used to endorse or promote products derived from | |
18 | # this software without specific prior written permission. | |
19 | # | |
20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
21 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
24 | # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
25 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE | |
26 | # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
27 | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
28 | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
29 | # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 | ||
31 | import logging | |
32 | import struct | |
33 | from ipaddr import IPv4Address, IPv6Address | |
34 | from binascii import hexlify | |
35 | from pprint import pformat | |
36 | from socket import AF_INET, AF_INET6, AF_BRIDGE | |
37 | from string import printable | |
38 | from struct import pack, unpack, calcsize | |
39 | ||
40 | log = logging.getLogger(__name__) | |
41 | ||
4e979b1b JF |
42 | # Interface name buffer size #define IFNAMSIZ 16 (kernel source) |
43 | IF_NAME_SIZE = 15 # 15 because python doesn't have \0 | |
44 | ||
198ded6a JF |
45 | # Netlink message types |
46 | NLMSG_NOOP = 0x01 | |
47 | NLMSG_ERROR = 0x02 | |
48 | NLMSG_DONE = 0x03 | |
49 | NLMSG_OVERRUN = 0x04 | |
50 | ||
51 | RTM_NEWLINK = 0x10 # Create a new network interface | |
52 | RTM_DELLINK = 0x11 # Destroy a network interface | |
53 | RTM_GETLINK = 0x12 # Retrieve information about a network interface(ifinfomsg) | |
54 | RTM_SETLINK = 0x13 # | |
55 | ||
56 | RTM_NEWADDR = 0x14 | |
57 | RTM_DELADDR = 0x15 | |
58 | RTM_GETADDR = 0x16 | |
59 | ||
60 | RTM_NEWNEIGH = 0x1C | |
61 | RTM_DELNEIGH = 0x1D | |
62 | RTM_GETNEIGH = 0x1E | |
63 | ||
64 | RTM_NEWROUTE = 0x18 | |
65 | RTM_DELROUTE = 0x19 | |
66 | RTM_GETROUTE = 0x1A | |
67 | ||
68 | RTM_NEWQDISC = 0x24 | |
69 | RTM_DELQDISC = 0x25 | |
70 | RTM_GETQDISC = 0x26 | |
71 | ||
72 | # Netlink message flags | |
73 | NLM_F_REQUEST = 0x01 # It is query message. | |
74 | NLM_F_MULTI = 0x02 # Multipart message, terminated by NLMSG_DONE | |
75 | NLM_F_ACK = 0x04 # Reply with ack, with zero or error code | |
76 | NLM_F_ECHO = 0x08 # Echo this query | |
77 | ||
78 | # Modifiers to GET query | |
79 | NLM_F_ROOT = 0x100 # specify tree root | |
80 | NLM_F_MATCH = 0x200 # return all matching | |
81 | NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH | |
82 | NLM_F_ATOMIC = 0x400 # atomic GET | |
83 | ||
84 | # Modifiers to NEW query | |
85 | NLM_F_REPLACE = 0x100 # Override existing | |
86 | NLM_F_EXCL = 0x200 # Do not touch, if it exists | |
87 | NLM_F_CREATE = 0x400 # Create, if it does not exist | |
88 | NLM_F_APPEND = 0x800 # Add to end of list | |
89 | ||
90 | NLA_F_NESTED = 0x8000 | |
91 | NLA_F_NET_BYTEORDER = 0x4000 | |
92 | NLA_TYPE_MASK = ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) | |
93 | ||
94 | # Groups | |
95 | RTMGRP_LINK = 0x1 | |
96 | RTMGRP_NOTIFY = 0x2 | |
97 | RTMGRP_NEIGH = 0x4 | |
98 | RTMGRP_TC = 0x8 | |
99 | RTMGRP_IPV4_IFADDR = 0x10 | |
100 | RTMGRP_IPV4_MROUTE = 0x20 | |
101 | RTMGRP_IPV4_ROUTE = 0x40 | |
102 | RTMGRP_IPV4_RULE = 0x80 | |
103 | RTMGRP_IPV6_IFADDR = 0x100 | |
104 | RTMGRP_IPV6_MROUTE = 0x200 | |
105 | RTMGRP_IPV6_ROUTE = 0x400 | |
106 | RTMGRP_IPV6_IFINFO = 0x800 | |
107 | RTMGRP_DECnet_IFADDR = 0x1000 | |
108 | RTMGRP_DECnet_ROUTE = 0x4000 | |
109 | RTMGRP_IPV6_PREFIX = 0x20000 | |
110 | ||
111 | RTMGRP_ALL = (RTMGRP_LINK | RTMGRP_NOTIFY | RTMGRP_NEIGH | RTMGRP_TC | | |
112 | RTMGRP_IPV4_IFADDR | RTMGRP_IPV4_MROUTE | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_RULE | | |
113 | RTMGRP_IPV6_IFADDR | RTMGRP_IPV6_MROUTE | RTMGRP_IPV6_ROUTE | RTMGRP_IPV6_IFINFO | | |
114 | RTMGRP_DECnet_IFADDR | RTMGRP_DECnet_ROUTE | | |
115 | RTMGRP_IPV6_PREFIX) | |
116 | ||
117 | # Colors for logging | |
118 | red = 91 | |
119 | green = 92 | |
120 | yellow = 93 | |
121 | blue = 94 | |
122 | ||
123 | ||
124 | def zfilled_hex(value, digits): | |
125 | return '0x' + hex(value)[2:].zfill(digits) | |
126 | ||
127 | ||
128 | def remove_trailing_null(line): | |
129 | """ | |
130 | Remove the last character if it is a NULL...having that NULL | |
131 | causes python to print a garbage character | |
132 | """ | |
133 | ||
134 | if ord(line[-1]) == 0: | |
135 | line = line[:-1] | |
136 | ||
137 | return line | |
138 | ||
139 | ||
140 | def mac_int_to_str(mac_int): | |
141 | """ | |
142 | Return an integer in MAC string format | |
143 | """ | |
144 | ||
145 | # [2:] to remove the leading 0x, then fill out to 12 zeroes, then uppercase | |
146 | all_caps = hex(int(mac_int))[2:].zfill(12).upper() | |
147 | ||
148 | if all_caps[-1] == 'L': | |
149 | all_caps = all_caps[:-1] | |
150 | all_caps = all_caps.zfill(12).upper() | |
151 | ||
152 | return "%s.%s.%s" % (all_caps[0:4], all_caps[4:8], all_caps[8:12]) | |
153 | ||
154 | ||
155 | def data_to_color_text(line_number, color, data, extra=''): | |
156 | (c1, c2, c3, c4) = unpack('BBBB', data[0:4]) | |
157 | in_ascii = [] | |
158 | ||
159 | for c in (c1, c2, c3, c4): | |
160 | char_c = chr(c) | |
161 | ||
162 | if char_c in printable[:-5]: | |
163 | in_ascii.append(char_c) | |
164 | else: | |
165 | in_ascii.append('.') | |
166 | ||
167 | return ' %2d: \033[%dm0x%02x%02x%02x%02x\033[0m %s %s' % (line_number, color, c1, c2, c3, c4, ''.join(in_ascii), extra) | |
168 | ||
169 | ||
170 | def padded_length(length): | |
171 | return int((length + 3) / 4) * 4 | |
172 | ||
173 | ||
174 | class Attribute(object): | |
175 | ||
176 | def __init__(self, atype, string, logger): | |
177 | self.atype = atype | |
178 | self.string = string | |
179 | self.HEADER_PACK = '=HH' | |
180 | self.HEADER_LEN = calcsize(self.HEADER_PACK) | |
181 | self.PACK = None | |
182 | self.LEN = None | |
183 | self.value = None | |
184 | self.nested = False | |
185 | self.net_byteorder = False | |
186 | self.log = logger | |
187 | ||
188 | def __str__(self): | |
189 | return self.string | |
190 | ||
4e979b1b JF |
191 | def set_value(self, value): |
192 | self.value = value | |
193 | ||
194 | def set_nested(self, nested): | |
195 | self.nested = nested | |
196 | ||
197 | def set_net_byteorder(self, net_byteorder): | |
198 | self.net_byteorder = net_byteorder | |
199 | ||
198ded6a JF |
200 | def pad_bytes_needed(self, length): |
201 | """ | |
202 | Return the number of bytes that should be added to align on a 4-byte boundry | |
203 | """ | |
204 | remainder = length % 4 | |
205 | ||
206 | if remainder: | |
207 | return 4 - remainder | |
208 | ||
209 | return 0 | |
210 | ||
211 | def pad(self, length, raw): | |
212 | pad = self.pad_bytes_needed(length) | |
213 | ||
214 | if pad: | |
215 | raw += '\0' * pad | |
216 | ||
217 | return raw | |
218 | ||
219 | def encode(self): | |
26e7207b JF |
220 | |
221 | if not self.LEN: | |
222 | raise Exception('Please define an encode() method in your child attribute class, or do not use AttributeGeneric') | |
223 | ||
198ded6a JF |
224 | length = self.HEADER_LEN + self.LEN |
225 | attr_type_with_flags = self.atype | |
226 | ||
227 | if self.nested: | |
228 | attr_type_with_flags = attr_type_with_flags | NLA_F_NESTED | |
229 | ||
230 | if self.net_byteorder: | |
231 | attr_type_with_flags = attr_type_with_flags | NLA_F_NET_BYTEORDER | |
232 | ||
233 | raw = pack(self.HEADER_PACK, length, attr_type_with_flags) + pack(self.PACK, self.value) | |
234 | raw = self.pad(length, raw) | |
235 | return raw | |
236 | ||
237 | def decode_length_type(self, data): | |
238 | """ | |
239 | The first two bytes of an attribute are the length, the next two bytes are the type | |
240 | """ | |
241 | self.data = data | |
242 | prev_atype = self.atype | |
243 | (data1, data2) = unpack(self.HEADER_PACK, data[:self.HEADER_LEN]) | |
244 | self.length = int(data1) | |
245 | self.atype = int(data2) | |
246 | self.attr_end = padded_length(self.length) | |
247 | ||
248 | self.nested = True if self.atype & NLA_F_NESTED else False | |
249 | self.net_byteorder = True if self.atype & NLA_F_NET_BYTEORDER else False | |
250 | self.atype = self.atype & NLA_TYPE_MASK | |
251 | ||
252 | # Should never happen | |
253 | assert self.atype == prev_atype, "This object changes attribute type from %d to %d, this is bad" % (prev_atype, self.atype) | |
254 | ||
255 | def dump_first_line(self, dump_buffer, line_number, color): | |
256 | """ | |
257 | Add the "Length....Type..." line to the dump buffer | |
258 | """ | |
259 | if self.attr_end == self.length: | |
260 | padded_to = ', ' | |
261 | else: | |
262 | padded_to = ' padded to %d, ' % self.attr_end | |
263 | ||
264 | extra = 'Length %s (%d)%sType %s%s%s (%d) %s' % \ | |
265 | (zfilled_hex(self.length, 4), self.length, | |
266 | padded_to, | |
267 | zfilled_hex(self.atype, 4), | |
268 | " (NLA_F_NESTED set)" if self.nested else "", | |
269 | " (NLA_F_NET_BYTEORDER set)" if self.net_byteorder else "", | |
270 | self.atype, | |
271 | self) | |
272 | ||
273 | dump_buffer.append(data_to_color_text(line_number, color, self.data[0:4], extra)) | |
274 | return line_number + 1 | |
275 | ||
276 | def dump_lines(self, dump_buffer, line_number, color): | |
277 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
278 | ||
279 | for x in xrange(1, self.attr_end/4): | |
280 | start = x * 4 | |
281 | end = start + 4 | |
282 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], '')) | |
283 | line_number += 1 | |
284 | ||
285 | return line_number | |
286 | ||
287 | def get_pretty_value(self): | |
288 | return self.value | |
289 | ||
290 | ||
291 | class AttributeFourByteValue(Attribute): | |
292 | ||
293 | def __init__(self, atype, string, logger): | |
294 | Attribute.__init__(self, atype, string, logger) | |
295 | self.PACK = '=L' | |
296 | self.LEN = calcsize(self.PACK) | |
297 | ||
298 | def decode(self, parent_msg, data): | |
299 | self.decode_length_type(data) | |
300 | assert self.attr_end == 8, "Attribute length for %s must be 8, it is %d" % (self, self.attr_end) | |
301 | ||
302 | try: | |
303 | self.value = int(unpack(self.PACK, self.data[4:])[0]) | |
304 | except struct.error: | |
305 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
306 | raise | |
307 | ||
308 | def dump_lines(self, dump_buffer, line_number, color): | |
309 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
310 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
311 | return line_number + 1 | |
312 | ||
313 | ||
314 | class AttributeString(Attribute): | |
315 | ||
316 | def __init__(self, atype, string, logger): | |
317 | Attribute.__init__(self, atype, string, logger) | |
318 | self.PACK = None | |
319 | self.LEN = None | |
320 | ||
321 | def encode(self): | |
26d1e82b | 322 | # some interface names come from JSON as unicode strings |
198ded6a JF |
323 | # and cannot be packed as is so we must convert them to strings |
324 | if isinstance(self.value, unicode): | |
325 | self.value = str(self.value) | |
326 | self.PACK = '%ds' % len(self.value) | |
327 | self.LEN = calcsize(self.PACK) | |
328 | ||
329 | length = self.HEADER_LEN + self.LEN | |
330 | raw = pack(self.HEADER_PACK, length, self.atype) + pack(self.PACK, self.value) | |
331 | raw = self.pad(length, raw) | |
332 | return raw | |
333 | ||
334 | def decode(self, parent_msg, data): | |
335 | self.decode_length_type(data) | |
336 | self.PACK = '%ds' % (self.length - 4) | |
337 | self.LEN = calcsize(self.PACK) | |
338 | ||
339 | try: | |
340 | self.value = remove_trailing_null(unpack(self.PACK, self.data[4:self.length])[0]) | |
341 | except struct.error: | |
342 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:self.length]))) | |
343 | raise | |
344 | ||
345 | ||
4e979b1b JF |
346 | class AttributeStringInterfaceName(AttributeString): |
347 | ||
348 | def __init__(self, atype, string, logger): | |
349 | AttributeString.__init__(self, atype, string, logger) | |
350 | ||
351 | def set_value(self, value): | |
352 | if value and len(value) > IF_NAME_SIZE: | |
353 | raise Exception('interface name exceeds max length of %d' % IF_NAME_SIZE) | |
354 | self.value = value | |
355 | ||
356 | ||
198ded6a JF |
357 | class AttributeIPAddress(Attribute): |
358 | ||
359 | def __init__(self, atype, string, family, logger): | |
360 | Attribute.__init__(self, atype, string, logger) | |
361 | self.value_int = None | |
362 | self.value_int_str = None | |
363 | self.family = family | |
364 | ||
365 | if self.family == AF_INET: | |
366 | self.PACK = '>L' | |
367 | ||
368 | elif self.family == AF_INET6: | |
369 | self.PACK = '>QQ' | |
370 | ||
371 | elif self.family == AF_BRIDGE: | |
372 | self.PACK = '>L' | |
373 | ||
374 | else: | |
375 | raise Exception("%s is not a supported address family" % self.family) | |
376 | ||
377 | self.LEN = calcsize(self.PACK) | |
378 | ||
379 | def decode(self, parent_msg, data): | |
380 | self.decode_length_type(data) | |
381 | ||
382 | try: | |
383 | if self.family == AF_INET: | |
384 | self.value = IPv4Address(unpack(self.PACK, self.data[4:])[0]) | |
385 | ||
386 | elif self.family == AF_INET6: | |
387 | (data1, data2) = unpack(self.PACK, self.data[4:]) | |
388 | self.value = IPv6Address(data1 << 64 | data2) | |
389 | ||
390 | elif self.family == AF_BRIDGE: | |
391 | self.value = unpack(self.PACK, self.data[4:])[0] | |
392 | ||
393 | self.value_int = int(self.value) | |
394 | self.value_int_str = str(self.value_int) | |
395 | ||
396 | except struct.error: | |
397 | self.value = None | |
398 | self.value_int = None | |
399 | self.value_int_str = None | |
400 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
401 | raise | |
402 | ||
403 | def dump_lines(self, dump_buffer, line_number, color): | |
404 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
405 | ||
406 | if self.family == AF_INET: | |
407 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
408 | line_number += 1 | |
409 | ||
410 | elif self.family == AF_INET6: | |
411 | ||
412 | for x in xrange(1, self.attr_end/4): | |
413 | start = x * 4 | |
414 | end = start + 4 | |
415 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], self.value)) | |
416 | line_number += 1 | |
417 | ||
418 | elif self.family == AF_BRIDGE: | |
419 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
420 | line_number += 1 | |
421 | ||
422 | return line_number | |
423 | ||
424 | ||
425 | class AttributeMACAddress(Attribute): | |
426 | ||
427 | def __init__(self, atype, string, logger): | |
428 | Attribute.__init__(self, atype, string, logger) | |
429 | self.PACK = '>LHxx' | |
430 | self.LEN = calcsize(self.PACK) | |
431 | ||
432 | def decode(self, parent_msg, data): | |
433 | self.decode_length_type(data) | |
434 | ||
435 | try: | |
436 | (data1, data2) = unpack(self.PACK, self.data[4:]) | |
437 | self.value = mac_int_to_str(data1 << 16 | data2) | |
438 | ||
439 | except struct.error: | |
440 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
441 | raise | |
442 | ||
443 | def encode(self): | |
444 | length = self.HEADER_LEN + self.LEN | |
445 | mac_raw = int(self.value.replace('.', '').replace(':', ''), 16) | |
446 | raw = pack(self.HEADER_PACK, length, self.atype) + pack(self.PACK, mac_raw >> 16, mac_raw & 0x0000FF) | |
447 | raw = self.pad(length, raw) | |
448 | return raw | |
449 | ||
450 | def dump_lines(self, dump_buffer, line_number, color): | |
451 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
452 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
453 | dump_buffer.append(data_to_color_text(line_number, color, self.data[8:12], self.value)) | |
454 | return line_number + 1 | |
455 | ||
456 | ||
457 | class AttributeGeneric(Attribute): | |
458 | ||
459 | def __init__(self, atype, string, logger): | |
460 | Attribute.__init__(self, atype, string, logger) | |
461 | self.PACK = None | |
462 | self.LEN = None | |
463 | ||
464 | def decode(self, parent_msg, data): | |
465 | self.decode_length_type(data) | |
466 | wordcount = (self.attr_end - 4)/4 | |
467 | self.PACK = '=%dL' % wordcount | |
468 | self.LEN = calcsize(self.PACK) | |
469 | ||
470 | try: | |
471 | self.value = ''.join(map(str, unpack(self.PACK, self.data[4:]))) | |
472 | except struct.error: | |
473 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
474 | raise | |
475 | ||
476 | ||
26e7207b JF |
477 | class AttributeOneByteValue(AttributeGeneric): |
478 | ||
479 | def __init__(self, atype, string, logger): | |
480 | Attribute.__init__(self, atype, string, logger) | |
481 | self.PACK = '=B' | |
482 | self.LEN = calcsize(self.PACK) | |
483 | ||
484 | ||
198ded6a JF |
485 | class AttributeIFLA_AF_SPEC(Attribute): |
486 | """ | |
487 | value will be a dictionary such as: | |
488 | { | |
489 | Link.IFLA_BRIDGE_FLAGS: flags, | |
490 | Link.IFLA_BRIDGE_VLAN_INFO: (vflags, vlanid) | |
491 | } | |
492 | """ | |
493 | ||
494 | def encode(self): | |
495 | pack_layout = [self.HEADER_PACK] | |
496 | payload = [0, self.atype] | |
497 | attr_length_index = 0 | |
498 | ||
499 | # For now this assumes that all data will be packed in the native endian | |
500 | # order (=). If a field is added that needs to be packed via network | |
501 | # order (>) then some smarts will need to be added to split the pack_layout | |
502 | # string at the >, split the payload and make the needed pack() calls. | |
503 | # | |
504 | # Until we cross that bridge though we will keep things nice and simple and | |
505 | # pack everything via a single pack() call. | |
26d1e82b JF |
506 | sub_attr_to_add = [] |
507 | ||
198ded6a | 508 | for (sub_attr_type, sub_attr_value) in self.value.iteritems(): |
26d1e82b JF |
509 | |
510 | if sub_attr_type == Link.IFLA_BRIDGE_FLAGS: | |
511 | sub_attr_to_add.append((sub_attr_type, sub_attr_value)) | |
512 | ||
513 | elif sub_attr_type == Link.IFLA_BRIDGE_VLAN_INFO: | |
514 | for (vlan_flag, vlan_id) in sub_attr_value: | |
515 | sub_attr_to_add.append((sub_attr_type, (vlan_flag, vlan_id))) | |
516 | ||
517 | else: | |
518 | self.log.debug('Add support for encoding IFLA_AF_SPEC sub-attribute type %d' % sub_attr_type) | |
519 | continue | |
520 | ||
521 | for (sub_attr_type, sub_attr_value) in sub_attr_to_add: | |
198ded6a JF |
522 | sub_attr_pack_layout = ['=', 'HH'] |
523 | sub_attr_payload = [0, sub_attr_type] | |
524 | sub_attr_length_index = 0 | |
525 | ||
526 | if sub_attr_type == Link.IFLA_BRIDGE_FLAGS: | |
527 | sub_attr_pack_layout.append('H') | |
528 | sub_attr_payload.append(sub_attr_value) | |
529 | ||
530 | elif sub_attr_type == Link.IFLA_BRIDGE_VLAN_INFO: | |
531 | sub_attr_pack_layout.append('HH') | |
532 | sub_attr_payload.append(sub_attr_value[0]) | |
533 | sub_attr_payload.append(sub_attr_value[1]) | |
534 | ||
198ded6a JF |
535 | sub_attr_length = calcsize(''.join(sub_attr_pack_layout)) |
536 | sub_attr_payload[sub_attr_length_index] = sub_attr_length | |
537 | ||
538 | # add padding | |
539 | for x in xrange(self.pad_bytes_needed(sub_attr_length)): | |
540 | sub_attr_pack_layout.append('x') | |
541 | ||
542 | # The [1:] is to remove the leading = so that when we do the ''.join() later | |
543 | # we do not end up with an = in the middle of the pack layout string. There | |
544 | # will be an = at the beginning via self.HEADER_PACK | |
545 | sub_attr_pack_layout = sub_attr_pack_layout[1:] | |
546 | ||
547 | # Now extend the ovarall attribute pack_layout/payload to include this sub-attribute | |
548 | pack_layout.extend(sub_attr_pack_layout) | |
549 | payload.extend(sub_attr_payload) | |
550 | ||
551 | pack_layout = ''.join(pack_layout) | |
552 | ||
553 | # Fill in the length field | |
554 | length = calcsize(pack_layout) | |
555 | payload[attr_length_index] = length | |
556 | ||
557 | raw = pack(pack_layout, *payload) | |
558 | raw = self.pad(length, raw) | |
559 | return raw | |
560 | ||
561 | def decode(self, parent_msg, data): | |
562 | """ | |
563 | value is a dictionary such as: | |
564 | { | |
565 | Link.IFLA_BRIDGE_FLAGS: flags, | |
566 | Link.IFLA_BRIDGE_VLAN_INFO: (vflags, vlanid) | |
567 | } | |
568 | """ | |
569 | self.decode_length_type(data) | |
570 | self.value = {} | |
571 | ||
572 | data = self.data[4:] | |
573 | ||
574 | while data: | |
575 | (sub_attr_length, sub_attr_type) = unpack('=HH', data[:4]) | |
576 | sub_attr_end = padded_length(sub_attr_length) | |
577 | ||
578 | if not sub_attr_length: | |
579 | self.log.error('parsed a zero length sub-attr') | |
580 | return | |
581 | ||
582 | sub_attr_data = data[4:sub_attr_end] | |
583 | ||
584 | if sub_attr_type == Link.IFLA_BRIDGE_FLAGS: | |
585 | self.value[Link.IFLA_BRIDGE_FLAGS] = unpack("=H", sub_attr_data[0:2])[0] | |
586 | ||
587 | elif sub_attr_type == Link.IFLA_BRIDGE_VLAN_INFO: | |
26d1e82b JF |
588 | if Link.IFLA_BRIDGE_VLAN_INFO not in self.value: |
589 | self.value[Link.IFLA_BRIDGE_VLAN_INFO] = [] | |
590 | self.value[Link.IFLA_BRIDGE_VLAN_INFO].append(tuple(unpack("=HH", sub_attr_data[0:4]))) | |
198ded6a JF |
591 | |
592 | else: | |
593 | self.log.debug('Add support for decoding IFLA_AF_SPEC sub-attribute type %s (%d), length %d, padded to %d' % | |
594 | (parent_msg.get_ifla_bridge_af_spec_to_string(sub_attr_type), sub_attr_type, sub_attr_length, sub_attr_end)) | |
595 | ||
596 | data = data[sub_attr_end:] | |
597 | ||
598 | def dump_lines(self, dump_buffer, line_number, color): | |
599 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
600 | extra = '' | |
601 | ||
602 | next_sub_attr_line = 0 | |
603 | sub_attr_line = True | |
604 | ||
605 | for x in xrange(1, self.attr_end/4): | |
606 | start = x * 4 | |
607 | end = start + 4 | |
608 | ||
609 | if line_number == next_sub_attr_line: | |
610 | sub_attr_line = True | |
611 | ||
612 | if sub_attr_line: | |
613 | sub_attr_line = False | |
614 | ||
615 | (sub_attr_length, sub_attr_type) = unpack('=HH', self.data[start:start+4]) | |
616 | sub_attr_end = padded_length(sub_attr_length) | |
617 | ||
618 | next_sub_attr_line = line_number + (sub_attr_end/4) | |
619 | ||
620 | if sub_attr_end == sub_attr_length: | |
621 | padded_to = ', ' | |
622 | else: | |
623 | padded_to = ' padded to %d, ' % sub_attr_end | |
624 | ||
625 | extra = 'Nested Attribute - Length %s (%d)%s Type %s (%d) %s' % \ | |
626 | (zfilled_hex(sub_attr_length, 4), sub_attr_length, | |
627 | padded_to, | |
628 | zfilled_hex(sub_attr_type, 4), sub_attr_type, | |
629 | Link.ifla_bridge_af_spec_to_string.get(sub_attr_type)) | |
630 | else: | |
631 | extra = '' | |
632 | ||
633 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], extra)) | |
634 | line_number += 1 | |
635 | ||
636 | return line_number | |
637 | ||
638 | def get_pretty_value(self): | |
639 | # We do this so we can print a more human readable dictionary | |
640 | # with the names of the nested keys instead of their numbers | |
641 | value_pretty = {} | |
642 | ||
643 | for (sub_key, sub_value) in self.value.iteritems(): | |
644 | sub_key_pretty = "(%2d) % s" % (sub_key, Link.ifla_bridge_af_spec_to_string.get(sub_key)) | |
645 | value_pretty[sub_key_pretty] = sub_value | |
646 | ||
647 | return value_pretty | |
648 | ||
649 | ||
650 | ||
651 | class AttributeRTA_MULTIPATH(Attribute): | |
652 | """ | |
653 | /* RTA_MULTIPATH --- array of struct rtnexthop. | |
654 | * | |
655 | * "struct rtnexthop" describes all necessary nexthop information, | |
656 | * i.e. parameters of path to a destination via this nexthop. | |
657 | * | |
658 | * At the moment it is impossible to set different prefsrc, mtu, window | |
659 | * and rtt for different paths from multipath. | |
660 | */ | |
661 | ||
662 | struct rtnexthop { | |
663 | unsigned short rtnh_len; | |
664 | unsigned char rtnh_flags; | |
665 | unsigned char rtnh_hops; | |
666 | int rtnh_ifindex; | |
667 | }; | |
668 | """ | |
669 | ||
670 | def __init__(self, atype, string, family, logger): | |
671 | Attribute.__init__(self, atype, string, logger) | |
672 | self.family = family | |
673 | self.PACK = None | |
674 | self.LEN = None | |
675 | self.RTNH_PACK = '=HBBL' # rtnh_len, flags, hops, ifindex | |
676 | self.RTNH_LEN = calcsize(self.RTNH_PACK) | |
677 | self.IPV4_LEN = 4 | |
678 | self.IPV6_LEN = 16 | |
679 | ||
680 | def encode(self): | |
681 | ||
682 | # Calculate the length | |
683 | if self.family == AF_INET: | |
684 | ip_len = self.IPV4_LEN | |
685 | elif self.family == AF_INET6: | |
686 | ip_len = self.IPV6_LEN | |
687 | ||
688 | # Attribute header | |
689 | length = self.HEADER_LEN + ((self.RTNH_LEN + self.HEADER_LEN + ip_len) * len(self.value)) | |
690 | raw = pack(self.HEADER_PACK, length, self.atype) | |
691 | ||
692 | rtnh_flags = 0 | |
693 | rtnh_hops = 0 | |
694 | rtnh_len = self.RTNH_LEN + self.HEADER_LEN + ip_len | |
695 | ||
696 | for (nexthop, rtnh_ifindex) in self.value: | |
697 | ||
698 | # rtnh structure | |
699 | raw += pack(self.RTNH_PACK, rtnh_len, rtnh_flags, rtnh_hops, rtnh_ifindex) | |
700 | ||
701 | # Gateway | |
702 | raw += pack(self.HEADER_PACK, self.HEADER_LEN + ip_len, Route.RTA_GATEWAY) | |
703 | ||
704 | if self.family == AF_INET: | |
705 | raw += pack('>L', nexthop) | |
706 | elif self.family == AF_INET6: | |
707 | raw += pack('>QQ', nexthop >> 64, nexthop & 0x0000000000000000FFFFFFFFFFFFFFFF) | |
708 | ||
709 | raw = self.pad(length, raw) | |
710 | return raw | |
711 | ||
712 | def decode(self, parent_msg, data): | |
713 | self.decode_length_type(data) | |
714 | self.value = [] | |
715 | ||
716 | data = self.data[4:] | |
717 | ||
718 | while data: | |
719 | (rtnh_len, rtnh_flags, rtnh_hops, rtnh_ifindex) = unpack(self.RTNH_PACK, data[:self.RTNH_LEN]) | |
720 | data = data[self.RTNH_LEN:] | |
721 | ||
722 | (attr_type, attr_length) = unpack(self.HEADER_PACK, self.data[:self.HEADER_LEN]) | |
723 | data = data[self.HEADER_LEN:] | |
724 | ||
725 | if self.family == AF_INET: | |
726 | nexthop = IPv4Address(unpack('>L', data[:self.IPV4_LEN])[0]) | |
727 | self.value.append((nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops)) | |
728 | data = data[self.IPV4_LEN:] | |
729 | ||
730 | elif self.family == AF_INET6: | |
731 | (data1, data2) = unpack('>QQ', data[:self.IPV6_LEN]) | |
732 | nexthop = IPv6Address(data1 << 64 | data2) | |
733 | self.value.append((nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops)) | |
734 | data = data[self.IPV6_LEN:] | |
735 | ||
736 | self.value = tuple(self.value) | |
737 | ||
738 | ||
739 | class AttributeIFLA_LINKINFO(Attribute): | |
740 | """ | |
741 | value is a dictionary such as: | |
742 | ||
743 | { | |
744 | Link.IFLA_INFO_KIND : 'vlan', | |
745 | Link.IFLA_INFO_DATA : { | |
746 | Link.IFLA_VLAN_ID : vlanid, | |
747 | } | |
748 | } | |
749 | """ | |
750 | def encode(self): | |
751 | pack_layout = [self.HEADER_PACK] | |
752 | payload = [0, self.atype] | |
753 | attr_length_index = 0 | |
754 | ||
755 | kind = self.value[Link.IFLA_INFO_KIND] | |
756 | ||
3696839d | 757 | if kind not in ('vlan', 'macvlan', 'vxlan'): |
198ded6a JF |
758 | raise Exception('Unsupported IFLA_INFO_KIND %s' % kind) |
759 | ||
760 | # For now this assumes that all data will be packed in the native endian | |
761 | # order (=). If a field is added that needs to be packed via network | |
762 | # order (>) then some smarts will need to be added to split the pack_layout | |
763 | # string at the >, split the payload and make the needed pack() calls. | |
764 | # | |
765 | # Until we cross that bridge though we will keep things nice and simple and | |
766 | # pack everything via a single pack() call. | |
767 | for (sub_attr_type, sub_attr_value) in self.value.iteritems(): | |
768 | sub_attr_pack_layout = ['=', 'HH'] | |
769 | sub_attr_payload = [0, sub_attr_type] | |
770 | sub_attr_length_index = 0 | |
771 | ||
772 | if sub_attr_type == Link.IFLA_INFO_KIND: | |
773 | sub_attr_pack_layout.append('%ds' % len(sub_attr_value)) | |
774 | sub_attr_payload.append(sub_attr_value) | |
775 | ||
776 | elif sub_attr_type == Link.IFLA_INFO_DATA: | |
777 | ||
778 | for (info_data_type, info_data_value) in sub_attr_value.iteritems(): | |
779 | ||
780 | if kind == 'vlan': | |
781 | if info_data_type == Link.IFLA_VLAN_ID: | |
782 | sub_attr_pack_layout.append('HH') | |
783 | sub_attr_payload.append(6) # length | |
784 | sub_attr_payload.append(info_data_type) | |
785 | ||
786 | # The vlan-id | |
787 | sub_attr_pack_layout.append('H') | |
788 | sub_attr_payload.append(info_data_value) | |
789 | ||
790 | # pad 2 bytes | |
791 | sub_attr_pack_layout.extend('xx') | |
792 | ||
793 | else: | |
794 | self.log.debug('Add support for encoding IFLA_INFO_DATA vlan sub-attribute type %d' % info_data_type) | |
795 | ||
796 | elif kind == 'macvlan': | |
797 | if info_data_type == Link.IFLA_MACVLAN_MODE: | |
798 | sub_attr_pack_layout.append('HH') | |
799 | sub_attr_payload.append(8) # length | |
800 | sub_attr_payload.append(info_data_type) | |
801 | ||
802 | # macvlan mode | |
803 | sub_attr_pack_layout.append('L') | |
804 | sub_attr_payload.append(info_data_value) | |
805 | ||
806 | else: | |
807 | self.log.debug('Add support for encoding IFLA_INFO_DATA macvlan sub-attribute type %d' % info_data_type) | |
808 | ||
3696839d JF |
809 | elif kind == 'vxlan': |
810 | if info_data_type in (Link.IFLA_VXLAN_ID, | |
811 | Link.IFLA_VXLAN_LINK, | |
812 | Link.IFLA_VXLAN_AGEING, | |
813 | Link.IFLA_VXLAN_LIMIT, | |
814 | Link.IFLA_VXLAN_PORT_RANGE): | |
815 | sub_attr_pack_layout.append('HH') | |
816 | sub_attr_payload.append(8) # length | |
817 | sub_attr_payload.append(info_data_type) | |
818 | ||
819 | sub_attr_pack_layout.append('L') | |
820 | sub_attr_payload.append(info_data_value) | |
821 | ||
822 | elif info_data_type in (Link.IFLA_VXLAN_GROUP, | |
823 | Link.IFLA_VXLAN_LOCAL): | |
824 | sub_attr_pack_layout.append('HH') | |
825 | sub_attr_payload.append(8) # length | |
826 | sub_attr_payload.append(info_data_type) | |
827 | ||
828 | sub_attr_pack_layout.append('L') | |
829 | ||
830 | reorder = unpack('<L', IPv4Address(info_data_value).packed)[0] | |
831 | sub_attr_payload.append(IPv4Address(reorder)) | |
832 | ||
833 | elif info_data_type in (Link.IFLA_VXLAN_PORT,): | |
834 | sub_attr_pack_layout.append('HH') | |
835 | sub_attr_payload.append(6) | |
836 | sub_attr_payload.append(info_data_type) | |
837 | ||
838 | sub_attr_pack_layout.append('H') | |
f1bec02e JF |
839 | |
840 | # byte swap | |
841 | swaped = pack(">H", info_data_value) | |
842 | sub_attr_payload.append(unpack("<H", swaped)[0]) | |
3696839d JF |
843 | |
844 | sub_attr_pack_layout.extend('xx') | |
845 | ||
846 | elif info_data_type in (Link.IFLA_VXLAN_TTL, | |
847 | Link.IFLA_VXLAN_TOS, | |
848 | Link.IFLA_VXLAN_LEARNING, | |
849 | Link.IFLA_VXLAN_PROXY, | |
850 | Link.IFLA_VXLAN_RSC, | |
851 | Link.IFLA_VXLAN_L2MISS, | |
852 | Link.IFLA_VXLAN_L3MISS, | |
853 | Link.IFLA_VXLAN_UDP_CSUM, | |
854 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_TX, | |
855 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_RX, | |
856 | Link.IFLA_VXLAN_REMCSUM_TX, | |
857 | Link.IFLA_VXLAN_REMCSUM_RX, | |
858 | Link.IFLA_VXLAN_REPLICATION_TYPE): | |
859 | sub_attr_pack_layout.append('HH') | |
860 | sub_attr_payload.append(6) | |
861 | sub_attr_payload.append(info_data_type) | |
862 | ||
863 | sub_attr_pack_layout.append('B') | |
864 | sub_attr_payload.append(info_data_value) | |
865 | sub_attr_pack_layout.extend('xxx') | |
866 | ||
867 | else: | |
868 | self.log.debug('Add support for encoding IFLA_INFO_DATA vxlan sub-attribute type %d' % info_data_type) | |
869 | ||
198ded6a JF |
870 | else: |
871 | self.log.debug('Add support for encoding IFLA_LINKINFO sub-attribute type %d' % sub_attr_type) | |
872 | continue | |
873 | ||
874 | sub_attr_length = calcsize(''.join(sub_attr_pack_layout)) | |
875 | sub_attr_payload[sub_attr_length_index] = sub_attr_length | |
876 | ||
877 | # add padding | |
878 | for x in xrange(self.pad_bytes_needed(sub_attr_length)): | |
879 | sub_attr_pack_layout.append('x') | |
880 | ||
881 | # The [1:] is to remove the leading = so that when we do the ''.join() later | |
882 | # we do not end up with an = in the middle of the pack layout string. There | |
883 | # will be an = at the beginning via self.HEADER_PACK | |
884 | sub_attr_pack_layout = sub_attr_pack_layout[1:] | |
885 | ||
886 | # Now extend the ovarall attribute pack_layout/payload to include this sub-attribute | |
887 | pack_layout.extend(sub_attr_pack_layout) | |
888 | payload.extend(sub_attr_payload) | |
889 | ||
890 | pack_layout = ''.join(pack_layout) | |
891 | ||
892 | # Fill in the length field | |
893 | length = calcsize(pack_layout) | |
894 | payload[attr_length_index] = length | |
895 | ||
896 | raw = pack(pack_layout, *payload) | |
897 | raw = self.pad(length, raw) | |
898 | return raw | |
899 | ||
900 | def decode(self, parent_msg, data): | |
901 | """ | |
902 | value is a dictionary such as: | |
903 | ||
904 | { | |
905 | Link.IFLA_INFO_KIND : 'vlan', | |
906 | Link.IFLA_INFO_DATA : { | |
907 | Link.IFLA_VLAN_ID : vlanid, | |
908 | } | |
909 | } | |
910 | """ | |
911 | self.decode_length_type(data) | |
912 | self.value = {} | |
913 | ||
914 | data = self.data[4:] | |
915 | ||
916 | # IFLA_MACVLAN_MODE and IFLA_VLAN_ID both have a value of 1 and both are | |
917 | # valid IFLA_INFO_DATA entries :( The sender must TX IFLA_INFO_KIND | |
918 | # first in order for us to know if "1" is IFLA_MACVLAN_MODE vs IFLA_VLAN_ID. | |
919 | while data: | |
920 | (sub_attr_length, sub_attr_type) = unpack('=HH', data[:4]) | |
921 | sub_attr_end = padded_length(sub_attr_length) | |
922 | ||
923 | if not sub_attr_length: | |
924 | self.log.error('parsed a zero length sub-attr') | |
925 | return | |
926 | ||
927 | if sub_attr_type == Link.IFLA_INFO_KIND: | |
928 | self.value[Link.IFLA_INFO_KIND] = remove_trailing_null(unpack('%ds' % (sub_attr_length - 4), data[4:sub_attr_length])[0]) | |
929 | ||
930 | elif sub_attr_type == Link.IFLA_INFO_DATA: | |
931 | ||
932 | sub_attr_data = data[4:sub_attr_end] | |
933 | self.value[Link.IFLA_INFO_DATA] = {} | |
934 | ||
935 | while sub_attr_data: | |
936 | (info_data_length, info_data_type) = unpack('=HH', sub_attr_data[:4]) | |
937 | info_data_end = padded_length(info_data_length) | |
938 | # self.log.info('sub attr length %d, end %d, type %d' % (info_data_length, info_data_end, info_data_type)) | |
939 | ||
940 | if not sub_attr_data: | |
941 | self.log.error('RXed zero length sub-attribute') | |
942 | break | |
943 | ||
944 | if Link.IFLA_INFO_KIND not in self.value: | |
945 | self.log.warning('IFLA_INFO_KIND is not known...we cannot parse IFLA_INFO_DATA') | |
946 | ||
947 | elif self.value[Link.IFLA_INFO_KIND] == 'vlan': | |
948 | if info_data_type == Link.IFLA_VLAN_ID: | |
949 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=H', sub_attr_data[4:6])[0] | |
950 | else: | |
951 | self.log.debug('Add support for decoding IFLA_INFO_KIND vlan type %s (%d), length %d, padded to %d' % | |
952 | (parent_msg.get_ifla_vlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
953 | ||
954 | elif self.value[Link.IFLA_INFO_KIND] == 'macvlan': | |
955 | if info_data_type == Link.IFLA_MACVLAN_MODE: | |
956 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
957 | else: | |
958 | self.log.debug('Add support for decoding IFLA_INFO_KIND macvlan type %s (%d), length %d, padded to %d' % | |
959 | (parent_msg.get_ifla_macvlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
960 | ||
961 | elif self.value[Link.IFLA_INFO_KIND] == 'vxlan': | |
962 | ||
963 | # IPv4Address | |
964 | if info_data_type in (Link.IFLA_VXLAN_GROUP, | |
965 | Link.IFLA_VXLAN_LOCAL): | |
966 | self.value[Link.IFLA_INFO_DATA][info_data_type] = IPv4Address(unpack('>L', sub_attr_data[4:8])[0]) | |
967 | ||
968 | # 4-byte int | |
969 | elif info_data_type in (Link.IFLA_VXLAN_ID, | |
970 | Link.IFLA_VXLAN_LINK, | |
971 | Link.IFLA_VXLAN_AGEING, | |
972 | Link.IFLA_VXLAN_LIMIT, | |
973 | Link.IFLA_VXLAN_PORT_RANGE): | |
974 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
975 | ||
976 | # 2-byte int | |
977 | elif info_data_type in (Link.IFLA_VXLAN_PORT, ): | |
978 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=H', sub_attr_data[4:6])[0] | |
979 | ||
980 | # 1-byte int | |
981 | elif info_data_type in (Link.IFLA_VXLAN_TTL, | |
982 | Link.IFLA_VXLAN_TOS, | |
983 | Link.IFLA_VXLAN_LEARNING, | |
984 | Link.IFLA_VXLAN_PROXY, | |
985 | Link.IFLA_VXLAN_RSC, | |
986 | Link.IFLA_VXLAN_L2MISS, | |
987 | Link.IFLA_VXLAN_L3MISS, | |
988 | Link.IFLA_VXLAN_UDP_CSUM, | |
989 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_TX, | |
990 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_RX, | |
991 | Link.IFLA_VXLAN_REMCSUM_TX, | |
992 | Link.IFLA_VXLAN_REMCSUM_RX, | |
993 | Link.IFLA_VXLAN_REPLICATION_TYPE): | |
994 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=B', sub_attr_data[4])[0] | |
995 | ||
996 | else: | |
997 | # sub_attr_end = padded_length(sub_attr_length) | |
998 | self.log.debug('Add support for decoding IFLA_INFO_KIND vxlan type %s (%d), length %d, padded to %d' % | |
999 | (parent_msg.get_ifla_vxlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
1000 | ||
1001 | elif self.value[Link.IFLA_INFO_KIND] == 'bond': | |
1002 | self.log.debug('Add support for decoding IFLA_INFO_KIND bond type %s (%d), length %d, padded to %d' % | |
1003 | (parent_msg.get_ifla_bond_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
1004 | ||
1005 | elif self.value[Link.IFLA_INFO_KIND] == 'bridge': | |
1006 | ||
1007 | if info_data_type in (Link.IFLA_BRPORT_STATE, | |
1008 | Link.IFLA_BRPORT_PRIORITY, | |
1009 | Link.IFLA_BRPORT_COST): | |
1010 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
1011 | ||
1012 | elif info_data_type in (Link.IFLA_BRPORT_FAST_LEAVE, ): | |
1013 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=B', sub_attr_data[4])[0] | |
1014 | ||
1015 | else: | |
1016 | self.log.debug('Add support for decoding IFLA_INFO_KIND bridge type %s (%d), length %d, padded to %d' % | |
1017 | (parent_msg.get_ifla_bridge_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
1018 | ||
1019 | else: | |
1020 | self.log.debug("Add support for decoding IFLA_INFO_KIND %s (%d), length %d, padded to %d" % | |
1021 | (self.value[Link.IFLA_INFO_KIND], info_data_type, info_data_length, info_data_end)) | |
1022 | ||
1023 | sub_attr_data = sub_attr_data[info_data_end:] | |
1024 | ||
1025 | elif sub_attr_type == Link.IFLA_INFO_SLAVE_KIND: | |
1026 | self.value[Link.IFLA_INFO_SLAVE_KIND] = remove_trailing_null(unpack('%ds' % (sub_attr_length - 4), data[4:sub_attr_length])[0]) | |
1027 | ||
1028 | else: | |
1029 | self.log.debug('Add support for decoding IFLA_LINKINFO sub-attribute type %s (%d), length %d, padded to %d' % | |
1030 | (parent_msg.get_ifla_info_string(sub_attr_type), sub_attr_type, sub_attr_length, sub_attr_end)) | |
1031 | ||
1032 | data = data[sub_attr_end:] | |
1033 | ||
1034 | # self.log.info('IFLA_LINKINFO values %s' % pformat(self.value)) | |
1035 | ||
1036 | def dump_lines(self, dump_buffer, line_number, color): | |
1037 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
1038 | extra = '' | |
1039 | ||
1040 | next_sub_attr_line = 0 | |
1041 | sub_attr_line = True | |
1042 | ||
1043 | for x in xrange(1, self.attr_end/4): | |
1044 | start = x * 4 | |
1045 | end = start + 4 | |
1046 | ||
1047 | if line_number == next_sub_attr_line: | |
1048 | sub_attr_line = True | |
1049 | ||
1050 | if sub_attr_line: | |
1051 | sub_attr_line = False | |
1052 | ||
1053 | (sub_attr_length, sub_attr_type) = unpack('=HH', self.data[start:start+4]) | |
1054 | sub_attr_end = padded_length(sub_attr_length) | |
1055 | ||
1056 | next_sub_attr_line = line_number + (sub_attr_end/4) | |
1057 | ||
1058 | if sub_attr_end == sub_attr_length: | |
1059 | padded_to = ', ' | |
1060 | else: | |
1061 | padded_to = ' padded to %d, ' % sub_attr_end | |
1062 | ||
1063 | extra = 'Nested Attribute - Length %s (%d)%s Type %s (%d) %s' % \ | |
1064 | (zfilled_hex(sub_attr_length, 4), sub_attr_length, | |
1065 | padded_to, | |
1066 | zfilled_hex(sub_attr_type, 4), sub_attr_type, | |
1067 | Link.ifla_info_to_string.get(sub_attr_type)) | |
1068 | else: | |
1069 | extra = '' | |
1070 | ||
1071 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], extra)) | |
1072 | line_number += 1 | |
1073 | ||
1074 | return line_number | |
1075 | ||
1076 | def get_pretty_value(self): | |
1077 | value_pretty = self.value | |
1078 | ifla_info_kind = self.value.get(Link.IFLA_INFO_KIND) | |
1079 | ||
1080 | # We do this so we can print a more human readable dictionary | |
1081 | # with the names of the nested keys instead of their numbers | |
1082 | ||
1083 | # Most of these are placeholders...we need to add support | |
1084 | # for more human readable dictionaries for bond, bridge, etc | |
1085 | if ifla_info_kind == 'bond': | |
1086 | pass | |
1087 | ||
1088 | elif ifla_info_kind == 'bridge': | |
1089 | pass | |
1090 | ||
1091 | elif ifla_info_kind == 'macvlan': | |
1092 | pass | |
1093 | ||
1094 | elif ifla_info_kind == 'vlan': | |
1095 | pass | |
1096 | ||
1097 | elif ifla_info_kind == 'vxlan': | |
1098 | value_pretty = {} | |
1099 | ||
1100 | for (sub_key, sub_value) in self.value.iteritems(): | |
1101 | sub_key_pretty = "(%2d) % s" % (sub_key, Link.ifla_info_to_string[sub_key]) | |
1102 | sub_value_pretty = sub_value | |
1103 | ||
1104 | if sub_key == Link.IFLA_INFO_DATA: | |
1105 | sub_value_pretty = {} | |
1106 | ||
1107 | for (sub_sub_key, sub_sub_value) in sub_value.iteritems(): | |
1108 | sub_sub_key_pretty = "(%2d) %s" % (sub_sub_key, Link.ifla_vxlan_to_string[sub_sub_key]) | |
1109 | sub_value_pretty[sub_sub_key_pretty] = sub_sub_value | |
1110 | ||
1111 | value_pretty[sub_key_pretty] = sub_value_pretty | |
1112 | ||
1113 | return value_pretty | |
1114 | ||
1115 | ||
1116 | class NetlinkPacket(object): | |
1117 | """ | |
1118 | Netlink Header | |
1119 | ||
1120 | 0 1 2 3 | |
1121 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
1122 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1123 | | Length | | |
1124 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1125 | | Type | Flags | | |
1126 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1127 | | Sequence Number | | |
1128 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1129 | | Process ID (PID) | | |
1130 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1131 | """ | |
1132 | ||
1133 | header_PACK = 'IHHII' | |
1134 | header_LEN = calcsize(header_PACK) | |
1135 | ||
1136 | # Netlink packet types | |
1137 | # /usr/include/linux/rtnetlink.h | |
1138 | type_to_string = { | |
1139 | NLMSG_NOOP : 'NLMSG_NOOP', | |
1140 | NLMSG_ERROR : 'NLMSG_ERROR', | |
1141 | NLMSG_DONE : 'NLMSG_DONE', | |
1142 | NLMSG_OVERRUN : 'NLMSG_OVERRUN', | |
1143 | RTM_NEWLINK : 'RTM_NEWLINK', | |
1144 | RTM_DELLINK : 'RTM_DELLINK', | |
1145 | RTM_GETLINK : 'RTM_GETLINK', | |
1146 | RTM_SETLINK : 'RTM_SETLINK', | |
1147 | RTM_NEWADDR : 'RTM_NEWADDR', | |
1148 | RTM_DELADDR : 'RTM_DELADDR', | |
1149 | RTM_GETADDR : 'RTM_GETADDR', | |
1150 | RTM_NEWNEIGH : 'RTM_NEWNEIGH', | |
1151 | RTM_DELNEIGH : 'RTM_DELNEIGH', | |
1152 | RTM_GETNEIGH : 'RTM_GETNEIGH', | |
1153 | RTM_NEWROUTE : 'RTM_NEWROUTE', | |
1154 | RTM_DELROUTE : 'RTM_DELROUTE', | |
1155 | RTM_GETROUTE : 'RTM_GETROUTE', | |
1156 | RTM_NEWQDISC : 'RTM_NEWQDISC', | |
1157 | RTM_DELQDISC : 'RTM_DELQDISC', | |
1158 | RTM_GETQDISC : 'RTM_GETQDISC' | |
1159 | } | |
1160 | ||
1161 | def __init__(self, msgtype, debug, owner_logger=None): | |
1162 | self.msgtype = msgtype | |
1163 | self.attributes = {} | |
1164 | self.dump_buffer = [''] | |
1165 | self.line_number = 1 | |
1166 | self.debug = debug | |
1167 | self.message = None | |
1168 | ||
1169 | if owner_logger: | |
1170 | self.log = owner_logger | |
1171 | else: | |
1172 | self.log = log | |
1173 | ||
1174 | def __str__(self): | |
1175 | return self.get_type_string() | |
1176 | ||
1177 | def get_string(self, to_string, index): | |
1178 | """ | |
1179 | Used to do lookups in all of the various FOO_to_string dictionaries | |
1180 | but returns 'UNKNOWN' if the key is bogus | |
1181 | """ | |
1182 | if index in to_string: | |
1183 | return to_string[index] | |
1184 | return 'UNKNOWN' | |
1185 | ||
1186 | def get_type_string(self, msgtype=None): | |
1187 | if not msgtype: | |
1188 | msgtype = self.msgtype | |
1189 | return self.get_string(self.type_to_string, msgtype) | |
1190 | ||
1191 | def get_flags_string(self): | |
1192 | foo = [] | |
1193 | ||
1194 | for (flag, flag_string) in self.flag_to_string.iteritems(): | |
1195 | if self.flags & flag: | |
1196 | foo.append(flag_string) | |
1197 | ||
1198 | return ', '.join(foo) | |
1199 | ||
1200 | def decode_packet(self, length, flags, seq, pid, data): | |
1201 | self.length = length | |
1202 | self.flags = flags | |
1203 | self.seq = seq | |
1204 | self.pid = pid | |
1205 | self.header_data = data[0:self.header_LEN] | |
1206 | self.msg_data = data[self.header_LEN:length] | |
1207 | ||
1208 | self.decode_netlink_header() | |
1209 | self.decode_service_header() | |
1210 | ||
1211 | # NLMSG_ERROR is special case, it does not have attributes to decode | |
1212 | if self.msgtype != NLMSG_ERROR: | |
1213 | self.decode_attributes() | |
1214 | ||
1215 | def get_netlink_header_flags_string(self, msg_type, flags): | |
1216 | foo = [] | |
1217 | ||
1218 | if flags & NLM_F_REQUEST: | |
1219 | foo.append('NLM_F_REQUEST') | |
1220 | ||
1221 | if flags & NLM_F_MULTI: | |
1222 | foo.append('NLM_F_MULTI') | |
1223 | ||
1224 | if flags & NLM_F_ACK: | |
1225 | foo.append('NLM_F_ACK') | |
1226 | ||
1227 | if flags & NLM_F_ECHO: | |
1228 | foo.append('NLM_F_ECHO') | |
1229 | ||
1230 | # Modifiers to GET query | |
1231 | if msg_type in (RTM_GETLINK, RTM_GETADDR, RTM_GETNEIGH, RTM_GETROUTE, RTM_GETQDISC): | |
198ded6a JF |
1232 | if flags & NLM_F_DUMP: |
1233 | foo.append('NLM_F_DUMP') | |
26d1e82b JF |
1234 | else: |
1235 | if flags & NLM_F_MATCH: | |
1236 | foo.append('NLM_F_MATCH') | |
1237 | ||
1238 | if flags & NLM_F_ROOT: | |
1239 | foo.append('NLM_F_ROOT') | |
198ded6a JF |
1240 | |
1241 | if flags & NLM_F_ATOMIC: | |
1242 | foo.append('NLM_F_ATOMIC') | |
1243 | ||
1244 | # Modifiers to NEW query | |
1245 | elif msg_type in (RTM_NEWLINK, RTM_NEWADDR, RTM_NEWNEIGH, RTM_NEWROUTE, RTM_NEWQDISC): | |
1246 | if flags & NLM_F_REPLACE: | |
1247 | foo.append('NLM_F_REPLACE') | |
1248 | ||
1249 | if flags & NLM_F_EXCL: | |
1250 | foo.append('NLM_F_EXCL') | |
1251 | ||
1252 | if flags & NLM_F_CREATE: | |
1253 | foo.append('NLM_F_CREATE') | |
1254 | ||
1255 | if flags & NLM_F_APPEND: | |
1256 | foo.append('NLM_F_APPEND') | |
1257 | ||
1258 | return ', '.join(foo) | |
1259 | ||
1260 | # When we first RXed the netlink message we had to decode the header to | |
1261 | # determine what type of netlink message we were dealing with. So the | |
1262 | # header has actually already been decoded...what we do here is | |
1263 | # populate the dump_buffer lines with the header content. | |
1264 | def decode_netlink_header(self): | |
1265 | ||
1266 | if not self.debug: | |
1267 | return | |
1268 | ||
1269 | header_data = self.header_data | |
1270 | ||
1271 | # Print the netlink header in red | |
1272 | color = red | |
1273 | netlink_header_length = 16 | |
1274 | self.dump_buffer.append(" \033[%dmNetlink Header\033[0m" % color) | |
1275 | ||
1276 | for x in range(0, netlink_header_length/4): | |
1277 | start = x * 4 | |
1278 | end = start + 4 | |
1279 | ||
1280 | if self.line_number == 1: | |
1281 | data = unpack('=L', header_data[start:end])[0] | |
1282 | extra = "Length %s (%d)" % (zfilled_hex(data, 8), data) | |
1283 | ||
1284 | elif self.line_number == 2: | |
1285 | (data1, data2) = unpack('HH', header_data[start:end]) | |
1286 | extra = "Type %s (%d - %s), Flags %s (%s)" % \ | |
1287 | (zfilled_hex(data1, 4), data1, self.get_type_string(data1), | |
1288 | zfilled_hex(data2, 4), self.get_netlink_header_flags_string(data1, data2)) | |
1289 | ||
1290 | elif self.line_number == 3: | |
1291 | data = unpack('=L', header_data[start:end])[0] | |
1292 | extra = "Sequence Number %s (%d)" % (zfilled_hex(data, 8), data) | |
1293 | ||
1294 | elif self.line_number == 4: | |
1295 | data = unpack('=L', header_data[start:end])[0] | |
1296 | extra = "Process ID %s (%d)" % (zfilled_hex(data, 8), data) | |
1297 | else: | |
1298 | extra = "Unexpected line number %d" % self.line_number | |
1299 | ||
1300 | self.dump_buffer.append(data_to_color_text(self.line_number, color, header_data[start:end], extra)) | |
1301 | self.line_number += 1 | |
1302 | ||
1303 | def decode_attributes(self): | |
1304 | """ | |
1305 | Decode the attributes and populate the dump_buffer | |
1306 | """ | |
1307 | ||
1308 | if self.debug: | |
1309 | self.dump_buffer.append(" Attributes") | |
1310 | color = green | |
1311 | ||
1312 | data = self.msg_data[self.LEN:] | |
1313 | ||
1314 | while data: | |
1315 | (length, attr_type) = unpack('=HH', data[:4]) | |
1316 | ||
1317 | # If this is zero we will stay in this loop for forever | |
1318 | if not length: | |
1319 | self.log.error('Length is zero') | |
1320 | return | |
1321 | ||
1322 | if len(data) < length: | |
1323 | self.log.error("Buffer underrun %d < %d" % (len(data), length)) | |
1324 | return | |
1325 | ||
1326 | attr = self.add_attribute(attr_type, None) | |
1327 | ||
1328 | # Find the end of 'data' for this attribute and decode our section | |
1329 | # of 'data'. attributes are padded for alignment thus the attr_end. | |
1330 | # | |
1331 | # How the attribute is decoded/unpacked is specific per AttributeXXXX class. | |
1332 | attr_end = padded_length(length) | |
1333 | attr.decode(self, data[0:attr_end]) | |
1334 | ||
1335 | if self.debug: | |
1336 | self.line_number = attr.dump_lines(self.dump_buffer, self.line_number, color) | |
1337 | ||
1338 | # Alternate back and forth between green and blue | |
1339 | if color == green: | |
1340 | color = blue | |
1341 | else: | |
1342 | color = green | |
1343 | ||
1344 | data = data[attr_end:] | |
1345 | ||
1346 | def add_attribute(self, attr_type, value): | |
1347 | nested = True if attr_type & NLA_F_NESTED else False | |
1348 | net_byteorder = True if attr_type & NLA_F_NET_BYTEORDER else False | |
1349 | attr_type = attr_type & NLA_TYPE_MASK | |
1350 | ||
1351 | # Given an attr_type (say RTA_DST) find the type of AttributeXXXX class | |
1352 | # that we will use to store this attribute...AttributeIPAddress in the | |
1353 | # case of RTA_DST. | |
1354 | if attr_type in self.attribute_to_class: | |
1355 | (attr_string, attr_class) = self.attribute_to_class[attr_type] | |
1356 | else: | |
1357 | attr_string = "UNKNOWN_ATTRIBUTE_%d" % attr_type | |
1358 | attr_class = AttributeGeneric | |
1359 | self.log.debug("Attribute %d is not defined in %s.attribute_to_class, assuming AttributeGeneric" % | |
1360 | (attr_type, self.__class__.__name__)) | |
1361 | ||
1362 | # A few attribute classes must know self.family (family was extracted from | |
1363 | # the service header) | |
1364 | if attr_class == AttributeIPAddress or attr_class == AttributeRTA_MULTIPATH: | |
1365 | attr = attr_class(attr_type, attr_string, self.family, self.log) | |
1366 | else: | |
1367 | attr = attr_class(attr_type, attr_string, self.log) | |
1368 | ||
4e979b1b JF |
1369 | attr.set_value(value) |
1370 | attr.set_nested(nested) | |
1371 | attr.set_net_byteorder(net_byteorder) | |
198ded6a JF |
1372 | |
1373 | # self.attributes is a dictionary keyed by the attribute type where | |
1374 | # the value is an instance of the corresponding AttributeXXXX class. | |
1375 | self.attributes[attr_type] = attr | |
1376 | ||
1377 | return attr | |
1378 | ||
1379 | def get_attribute_value(self, attr_type): | |
1380 | if attr_type not in self.attributes: | |
1381 | return None | |
1382 | ||
1383 | return self.attributes[attr_type].value | |
1384 | ||
1385 | def get_attr_string(self, attr_type): | |
1386 | """ | |
1387 | Example: If attr_type is Address.IFA_CACHEINFO return the string 'IFA_CACHEINFO' | |
1388 | """ | |
1389 | if attr_type in self.attribute_to_class: | |
1390 | (attr_string, attr_class) = self.attribute_to_class[attr_type] | |
1391 | return attr_string | |
1392 | return str(attr_type) | |
1393 | ||
1394 | def build_message(self, seq, pid): | |
1395 | self.seq = seq | |
1396 | self.pid = pid | |
1397 | attrs = '' | |
1398 | ||
1399 | for attr in self.attributes.itervalues(): | |
1400 | attrs += attr.encode() | |
1401 | ||
1402 | self.length = self.header_LEN + len(self.body) + len(attrs) | |
1403 | self.header_data = pack(self.header_PACK, self.length, self.msgtype, self.flags, self.seq, self.pid) | |
1404 | self.msg_data = self.body + attrs | |
1405 | self.message = self.header_data + self.msg_data | |
1406 | ||
1407 | if self.debug: | |
1408 | self.decode_netlink_header() | |
1409 | self.decode_service_header() | |
1410 | self.decode_attributes() | |
1411 | self.dump("TXed %s, length %d, seq %d, pid %d, flags 0x%x (%s)" % | |
1412 | (self, self.length, self.seq, self.pid, self.flags, | |
1413 | self.get_netlink_header_flags_string(self.msgtype, self.flags))) | |
1414 | ||
1415 | # Print the netlink message in hex. This is only used for debugging. | |
1416 | def dump(self, desc=None): | |
1417 | attr_string = {} | |
1418 | ||
1419 | if desc is None: | |
1420 | desc = "RXed %s, length %d, seq %d, pid %d, flags 0x%x" % (self, self.length, self.seq, self.pid, self.flags) | |
1421 | ||
1422 | for (attr_type, attr_obj) in self.attributes.iteritems(): | |
1423 | key_string = "(%2d) %s" % (attr_type, self.get_attr_string(attr_type)) | |
1424 | attr_string[key_string] = attr_obj.get_pretty_value() | |
1425 | ||
1426 | self.log.debug("%s\n%s\n\nAttributes Summary\n%s\n" % | |
1427 | (desc, '\n'.join(self.dump_buffer), pformat(attr_string))) | |
1428 | ||
1429 | ||
1430 | class Address(NetlinkPacket): | |
1431 | """ | |
1432 | Service Header | |
1433 | 0 1 2 3 | |
1434 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
1435 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1436 | | Family | Length | Flags | Scope | | |
1437 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1438 | | Interface Index | | |
1439 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1440 | """ | |
1441 | ||
1442 | # Address attributes | |
1443 | # /usr/include/linux/if_addr.h | |
1444 | IFA_UNSPEC = 0x00 | |
1445 | IFA_ADDRESS = 0x01 | |
1446 | IFA_LOCAL = 0x02 | |
1447 | IFA_LABEL = 0x03 | |
1448 | IFA_BROADCAST = 0x04 | |
1449 | IFA_ANYCAST = 0x05 | |
1450 | IFA_CACHEINFO = 0x06 | |
1451 | IFA_MULTICAST = 0x07 | |
1452 | IFA_FLAGS = 0x08 | |
1453 | ||
1454 | attribute_to_class = { | |
1455 | IFA_UNSPEC : ('IFA_UNSPEC', AttributeGeneric), | |
1456 | IFA_ADDRESS : ('IFA_ADDRESS', AttributeIPAddress), | |
1457 | IFA_LOCAL : ('IFA_LOCAL', AttributeIPAddress), | |
1458 | IFA_LABEL : ('IFA_LABEL', AttributeString), | |
1459 | IFA_BROADCAST : ('IFA_BROADCAST', AttributeIPAddress), | |
1460 | IFA_ANYCAST : ('IFA_ANYCAST', AttributeIPAddress), | |
1461 | IFA_CACHEINFO : ('IFA_CACHEINFO', AttributeGeneric), | |
1462 | IFA_MULTICAST : ('IFA_MULTICAST', AttributeIPAddress), | |
1463 | IFA_FLAGS : ('IFA_FLAGS', AttributeGeneric) | |
1464 | } | |
1465 | ||
1466 | # Address flags | |
1467 | # /usr/include/linux/if_addr.h | |
1468 | IFA_F_SECONDARY = 0x01 | |
1469 | IFA_F_NODAD = 0x02 | |
1470 | IFA_F_OPTIMISTIC = 0x04 | |
1471 | IFA_F_DADFAILED = 0x08 | |
1472 | IFA_F_HOMEADDRESS = 0x10 | |
1473 | IFA_F_DEPRECATED = 0x20 | |
1474 | IFA_F_TENTATIVE = 0x40 | |
1475 | IFA_F_PERMANENT = 0x80 | |
1476 | ||
1477 | flag_to_string = { | |
1478 | IFA_F_SECONDARY : 'IFA_F_SECONDARY', | |
1479 | IFA_F_NODAD : 'IFA_F_NODAD', | |
1480 | IFA_F_OPTIMISTIC : 'IFA_F_OPTIMISTIC', | |
1481 | IFA_F_DADFAILED : 'IFA_F_DADFAILED', | |
1482 | IFA_F_HOMEADDRESS : 'IFA_F_HOMEADDRESS', | |
1483 | IFA_F_DEPRECATED : 'IFA_F_DEPRECATED', | |
1484 | IFA_F_TENTATIVE : 'IFA_F_TENTATIVE', | |
1485 | IFA_F_PERMANENT : 'IFA_F_PERMANENT' | |
1486 | } | |
1487 | ||
1488 | def __init__(self, msgtype, debug=False, logger=None): | |
1489 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
1490 | self.PACK = '4Bi' | |
1491 | self.LEN = calcsize(self.PACK) | |
1492 | ||
1493 | def decode_service_header(self): | |
1494 | ||
1495 | # Nothing to do if the message did not contain a service header | |
1496 | if self.length == self.header_LEN: | |
1497 | return | |
1498 | ||
1499 | (self.family, self.prefixlen, self.flags, self.scope, | |
1500 | self.ifindex) = \ | |
1501 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
1502 | ||
1503 | if self.debug: | |
1504 | color = yellow | |
1505 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
1506 | ||
1507 | for x in range(0, self.LEN/4): | |
1508 | if self.line_number == 5: | |
1509 | extra = "Family %s (%d), Length %s (%d), Flags %s, Scope %s (%d)" % \ | |
1510 | (zfilled_hex(self.family, 2), self.family, | |
1511 | zfilled_hex(self.prefixlen, 2), self.prefixlen, | |
1512 | zfilled_hex(self.flags, 2), | |
1513 | zfilled_hex(self.scope, 2), self.scope) | |
1514 | elif self.line_number == 6: | |
1515 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
1516 | else: | |
1517 | extra = "Unexpected line number %d" % self.line_number | |
1518 | ||
1519 | start = x * 4 | |
1520 | end = start + 4 | |
1521 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
1522 | self.line_number += 1 | |
1523 | ||
1524 | ||
1525 | class Error(NetlinkPacket): | |
1526 | ||
1527 | # Error codes | |
1528 | # /include/netlink/errno.h | |
1529 | NLE_SUCCESS = 0x00 | |
1530 | NLE_FAILURE = 0x01 | |
1531 | NLE_INTR = 0x02 | |
1532 | NLE_BAD_SOCK = 0x03 | |
1533 | NLE_AGAIN = 0x04 | |
1534 | NLE_NOMEM = 0x05 | |
1535 | NLE_EXIST = 0x06 | |
1536 | NLE_INVAL = 0x07 | |
1537 | NLE_RANGE = 0x08 | |
1538 | NLE_MSGSIZE = 0x09 | |
1539 | NLE_OPNOTSUPP = 0x0A | |
1540 | NLE_AF_NOSUPPORT = 0x0B | |
1541 | NLE_OBJ_NOTFOUND = 0x0C | |
1542 | NLE_NOATTR = 0x0D | |
1543 | NLE_MISSING_ATTR = 0x0E | |
1544 | NLE_AF_MISMATCH = 0x0F | |
1545 | NLE_SEQ_MISMATCH = 0x10 | |
1546 | NLE_MSG_OVERFLOW = 0x11 | |
1547 | NLE_MSG_TRUNC = 0x12 | |
1548 | NLE_NOADDR = 0x13 | |
1549 | NLE_SRCRT_NOSUPPORT = 0x14 | |
1550 | NLE_MSG_TOOSHORT = 0x15 | |
1551 | NLE_MSGTYPE_NOSUPPORT = 0x16 | |
1552 | NLE_OBJ_MISMATCH = 0x17 | |
1553 | NLE_NOCACHE = 0x18 | |
1554 | NLE_BUSY = 0x19 | |
1555 | NLE_PROTO_MISMATCH = 0x1A | |
1556 | NLE_NOACCESS = 0x1B | |
1557 | NLE_PERM = 0x1C | |
1558 | NLE_PKTLOC_FILE = 0x1D | |
1559 | NLE_PARSE_ERR = 0x1E | |
1560 | NLE_NODEV = 0x1F | |
1561 | NLE_IMMUTABLE = 0x20 | |
1562 | NLE_DUMP_INTR = 0x21 | |
1563 | ||
1564 | error_to_string = { | |
1565 | NLE_SUCCESS : 'NLE_SUCCESS', | |
1566 | NLE_FAILURE : 'NLE_FAILURE', | |
1567 | NLE_INTR : 'NLE_INTR', | |
1568 | NLE_BAD_SOCK : 'NLE_BAD_SOCK', | |
1569 | NLE_AGAIN : 'NLE_AGAIN', | |
1570 | NLE_NOMEM : 'NLE_NOMEM', | |
1571 | NLE_EXIST : 'NLE_EXIST', | |
1572 | NLE_INVAL : 'NLE_INVAL', | |
1573 | NLE_RANGE : 'NLE_RANGE', | |
1574 | NLE_MSGSIZE : 'NLE_MSGSIZE', | |
1575 | NLE_OPNOTSUPP : 'NLE_OPNOTSUPP', | |
1576 | NLE_AF_NOSUPPORT : 'NLE_AF_NOSUPPORT', | |
1577 | NLE_OBJ_NOTFOUND : 'NLE_OBJ_NOTFOUND', | |
1578 | NLE_NOATTR : 'NLE_NOATTR', | |
1579 | NLE_MISSING_ATTR : 'NLE_MISSING_ATTR', | |
1580 | NLE_AF_MISMATCH : 'NLE_AF_MISMATCH', | |
1581 | NLE_SEQ_MISMATCH : 'NLE_SEQ_MISMATCH', | |
1582 | NLE_MSG_OVERFLOW : 'NLE_MSG_OVERFLOW', | |
1583 | NLE_MSG_TRUNC : 'NLE_MSG_TRUNC', | |
1584 | NLE_NOADDR : 'NLE_NOADDR', | |
1585 | NLE_SRCRT_NOSUPPORT : 'NLE_SRCRT_NOSUPPORT', | |
1586 | NLE_MSG_TOOSHORT : 'NLE_MSG_TOOSHORT', | |
1587 | NLE_MSGTYPE_NOSUPPORT : 'NLE_MSGTYPE_NOSUPPORT', | |
1588 | NLE_OBJ_MISMATCH : 'NLE_OBJ_MISMATCH', | |
1589 | NLE_NOCACHE : 'NLE_NOCACHE', | |
1590 | NLE_BUSY : 'NLE_BUSY', | |
1591 | NLE_PROTO_MISMATCH : 'NLE_PROTO_MISMATCH', | |
1592 | NLE_NOACCESS : 'NLE_NOACCESS', | |
1593 | NLE_PERM : 'NLE_PERM', | |
1594 | NLE_PKTLOC_FILE : 'NLE_PKTLOC_FILE', | |
1595 | NLE_PARSE_ERR : 'NLE_PARSE_ERR', | |
1596 | NLE_NODEV : 'NLE_NODEV', | |
1597 | NLE_IMMUTABLE : 'NLE_IMMUTABLE', | |
1598 | NLE_DUMP_INTR : 'NLE_DUMP_INTR' | |
1599 | } | |
1600 | ||
1601 | def __init__(self, msgtype, debug=False, logger=None): | |
1602 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
1603 | self.PACK = '=iLHHLL' | |
1604 | self.LEN = calcsize(self.PACK) | |
1605 | ||
1606 | def decode_service_header(self): | |
1607 | ||
1608 | # Nothing to do if the message did not contain a service header | |
1609 | if self.length == self.header_LEN: | |
1610 | return | |
1611 | ||
1612 | (self.negative_errno, self.bad_msg_len, self.bad_msg_type, | |
1613 | self.bad_msg_flag, self.bad_msg_seq, self.bad_msg_pid) =\ | |
1614 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
1615 | ||
1616 | if self.debug: | |
1617 | color = yellow | |
1618 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
1619 | ||
1620 | for x in range(0, self.LEN/4): | |
1621 | ||
1622 | if self.line_number == 5: | |
1623 | extra = "Error Number %s is %s" % (self.negative_errno, self.error_to_string.get(abs(self.negative_errno))) | |
1624 | # zfilled_hex(self.negative_errno, 2) | |
1625 | ||
1626 | elif self.line_number == 6: | |
1627 | extra = "Length %s (%d)" % (zfilled_hex(self.bad_msg_len, 8), self.bad_msg_len) | |
1628 | ||
1629 | elif self.line_number == 7: | |
1630 | extra = "Type %s (%d - %s), Flags %s (%s)" % \ | |
1631 | (zfilled_hex(self.bad_msg_type, 4), self.bad_msg_type, self.get_type_string(self.bad_msg_type), | |
1632 | zfilled_hex(self.bad_msg_flag, 4), self.get_netlink_header_flags_string(self.bad_msg_type, self.bad_msg_flag)) | |
1633 | ||
1634 | elif self.line_number == 8: | |
1635 | extra = "Sequence Number %s (%d)" % (zfilled_hex(self.bad_msg_seq, 8), self.bad_msg_seq) | |
1636 | ||
1637 | elif self.line_number == 9: | |
1638 | extra = "Process ID %s (%d)" % (zfilled_hex(self.bad_msg_pid, 8), self.bad_msg_pid) | |
1639 | ||
1640 | else: | |
1641 | extra = "Unexpected line number %d" % self.line_number | |
1642 | ||
1643 | start = x * 4 | |
1644 | end = start + 4 | |
1645 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
1646 | self.line_number += 1 | |
1647 | ||
1648 | ||
1649 | class Link(NetlinkPacket): | |
1650 | """ | |
1651 | Service Header | |
1652 | ||
1653 | 0 1 2 3 | |
1654 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
1655 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1656 | | Family | Reserved | Device Type | | |
1657 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1658 | | Interface Index | | |
1659 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1660 | | Device Flags | | |
1661 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1662 | | Change Mask | | |
1663 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
1664 | """ | |
1665 | ||
1666 | # Link attributes | |
1667 | # /usr/include/linux/if_link.h | |
1668 | IFLA_UNSPEC = 0 | |
1669 | IFLA_ADDRESS = 1 | |
1670 | IFLA_BROADCAST = 2 | |
1671 | IFLA_IFNAME = 3 | |
1672 | IFLA_MTU = 4 | |
1673 | IFLA_LINK = 5 | |
1674 | IFLA_QDISC = 6 | |
1675 | IFLA_STATS = 7 | |
1676 | IFLA_COST = 8 | |
1677 | IFLA_PRIORITY = 9 | |
1678 | IFLA_MASTER = 10 | |
1679 | IFLA_WIRELESS = 11 | |
1680 | IFLA_PROTINFO = 12 | |
1681 | IFLA_TXQLEN = 13 | |
1682 | IFLA_MAP = 14 | |
1683 | IFLA_WEIGHT = 15 | |
1684 | IFLA_OPERSTATE = 16 | |
1685 | IFLA_LINKMODE = 17 | |
1686 | IFLA_LINKINFO = 18 | |
1687 | IFLA_NET_NS_PID = 19 | |
1688 | IFLA_IFALIAS = 20 | |
1689 | IFLA_NUM_VF = 21 | |
1690 | IFLA_VFINFO_LIST = 22 | |
1691 | IFLA_STATS64 = 23 | |
1692 | IFLA_VF_PORTS = 24 | |
1693 | IFLA_PORT_SELF = 25 | |
1694 | IFLA_AF_SPEC = 26 | |
1695 | IFLA_GROUP = 27 | |
1696 | IFLA_NET_NS_FD = 28 | |
1697 | IFLA_EXT_MASK = 29 | |
1698 | IFLA_PROMISCUITY = 30 | |
1699 | IFLA_NUM_TX_QUEUES = 31 | |
1700 | IFLA_NUM_RX_QUEUES = 32 | |
1701 | IFLA_CARRIER = 33 | |
1702 | IFLA_PHYS_PORT_ID = 34 | |
1703 | IFLA_CARRIER_CHANGES = 35 | |
1704 | IFLA_PHYS_SWITCH_ID = 36 | |
1705 | IFLA_LINK_NETNSID = 37 | |
1706 | IFLA_PHYS_PORT_NAME = 38 | |
1707 | IFLA_PROTO_DOWN = 39 | |
1708 | IFLA_LINKPROTODOWN = 200 | |
1709 | ||
1710 | attribute_to_class = { | |
1711 | IFLA_UNSPEC : ('IFLA_UNSPEC', AttributeGeneric), | |
1712 | IFLA_ADDRESS : ('IFLA_ADDRESS', AttributeMACAddress), | |
1713 | IFLA_BROADCAST : ('IFLA_BROADCAST', AttributeMACAddress), | |
4e979b1b | 1714 | IFLA_IFNAME : ('IFLA_IFNAME', AttributeStringInterfaceName), |
198ded6a JF |
1715 | IFLA_MTU : ('IFLA_MTU', AttributeFourByteValue), |
1716 | IFLA_LINK : ('IFLA_LINK', AttributeFourByteValue), | |
1717 | IFLA_QDISC : ('IFLA_QDISC', AttributeString), | |
1718 | IFLA_STATS : ('IFLA_STATS', AttributeGeneric), | |
1719 | IFLA_COST : ('IFLA_COST', AttributeGeneric), | |
1720 | IFLA_PRIORITY : ('IFLA_PRIORITY', AttributeGeneric), | |
1721 | IFLA_MASTER : ('IFLA_MASTER', AttributeFourByteValue), | |
1722 | IFLA_WIRELESS : ('IFLA_WIRELESS', AttributeGeneric), | |
1723 | IFLA_PROTINFO : ('IFLA_PROTINFO', AttributeGeneric), | |
1724 | IFLA_TXQLEN : ('IFLA_TXQLEN', AttributeFourByteValue), | |
1725 | IFLA_MAP : ('IFLA_MAP', AttributeGeneric), | |
1726 | IFLA_WEIGHT : ('IFLA_WEIGHT', AttributeGeneric), | |
1727 | IFLA_OPERSTATE : ('IFLA_OPERSTATE', AttributeFourByteValue), | |
1728 | IFLA_LINKMODE : ('IFLA_LINKMODE', AttributeFourByteValue), | |
1729 | IFLA_LINKINFO : ('IFLA_LINKINFO', AttributeIFLA_LINKINFO), | |
1730 | IFLA_NET_NS_PID : ('IFLA_NET_NS_PID', AttributeGeneric), | |
1731 | IFLA_IFALIAS : ('IFLA_IFALIAS', AttributeGeneric), | |
1732 | IFLA_NUM_VF : ('IFLA_NUM_VF', AttributeGeneric), | |
1733 | IFLA_VFINFO_LIST : ('IFLA_VFINFO_LIST', AttributeGeneric), | |
1734 | IFLA_STATS64 : ('IFLA_STATS64', AttributeGeneric), | |
1735 | IFLA_VF_PORTS : ('IFLA_VF_PORTS', AttributeGeneric), | |
1736 | IFLA_PORT_SELF : ('IFLA_PORT_SELF', AttributeGeneric), | |
1737 | IFLA_AF_SPEC : ('IFLA_AF_SPEC', AttributeIFLA_AF_SPEC), | |
1738 | IFLA_GROUP : ('IFLA_GROUP', AttributeFourByteValue), | |
1739 | IFLA_NET_NS_FD : ('IFLA_NET_NS_FD', AttributeGeneric), | |
26d1e82b | 1740 | IFLA_EXT_MASK : ('IFLA_EXT_MASK', AttributeFourByteValue), |
198ded6a JF |
1741 | IFLA_PROMISCUITY : ('IFLA_PROMISCUITY', AttributeGeneric), |
1742 | IFLA_NUM_TX_QUEUES : ('IFLA_NUM_TX_QUEUES', AttributeGeneric), | |
1743 | IFLA_NUM_RX_QUEUES : ('IFLA_NUM_RX_QUEUES', AttributeGeneric), | |
1744 | IFLA_CARRIER : ('IFLA_CARRIER', AttributeGeneric), | |
1745 | IFLA_PHYS_PORT_ID : ('IFLA_PHYS_PORT_ID', AttributeGeneric), | |
1746 | IFLA_CARRIER_CHANGES : ('IFLA_CARRIER_CHANGES', AttributeGeneric), | |
1747 | IFLA_PHYS_SWITCH_ID : ('IFLA_PHYS_SWITCH_ID', AttributeGeneric), | |
1748 | IFLA_LINK_NETNSID : ('IFLA_LINK_NETNSID', AttributeGeneric), | |
1749 | IFLA_PHYS_PORT_NAME : ('IFLA_PHYS_PORT_NAME', AttributeGeneric), | |
26e7207b | 1750 | IFLA_PROTO_DOWN : ('IFLA_PROTO_DOWN', AttributeOneByteValue), |
198ded6a JF |
1751 | IFLA_LINKPROTODOWN : ('IFLA_LINKPROTODOWN', AttributeGeneric) |
1752 | } | |
1753 | ||
1754 | # Link flags | |
1755 | # /usr/include/linux/if.h | |
1756 | IFF_UP = 0x0001 # Interface is administratively up. | |
1757 | IFF_BROADCAST = 0x0002 # Valid broadcast address set. | |
1758 | IFF_DEBUG = 0x0004 # Internal debugging flag. | |
1759 | IFF_LOOPBACK = 0x0008 # Interface is a loopback interface. | |
1760 | IFF_POINTOPOINT = 0x0010 # Interface is a point-to-point link. | |
1761 | IFF_NOTRAILERS = 0x0020 # Avoid use of trailers. | |
1762 | IFF_RUNNING = 0x0040 # Interface is operationally up. | |
1763 | IFF_NOARP = 0x0080 # No ARP protocol needed for this interface. | |
1764 | IFF_PROMISC = 0x0100 # Interface is in promiscuous mode. | |
1765 | IFF_ALLMULTI = 0x0200 # Receive all multicast packets. | |
1766 | IFF_MASTER = 0x0400 # Master of a load balancing bundle. | |
1767 | IFF_SLAVE = 0x0800 # Slave of a load balancing bundle. | |
1768 | IFF_MULTICAST = 0x1000 # Supports multicast. | |
1769 | IFF_PORTSEL = 0x2000 # Is able to select media type via ifmap. | |
1770 | IFF_AUTOMEDIA = 0x4000 # Auto media selection active. | |
1771 | IFF_DYNAMIC = 0x8000 # Interface was dynamically created. | |
1772 | IFF_LOWER_UP = 0x10000 # driver signals L1 up | |
1773 | IFF_DORMANT = 0x20000 # driver signals dormant | |
1774 | IFF_ECHO = 0x40000 # echo sent packet | |
1775 | IFF_PROTO_DOWN = 0x1000000 # protocol is down on the interface | |
1776 | ||
1777 | flag_to_string = { | |
1778 | IFF_UP : 'IFF_UP', | |
1779 | IFF_BROADCAST : 'IFF_BROADCAST', | |
1780 | IFF_DEBUG : 'IFF_DEBUG', | |
1781 | IFF_LOOPBACK : 'IFF_LOOPBACK', | |
1782 | IFF_POINTOPOINT : 'IFF_POINTOPOINT', | |
1783 | IFF_NOTRAILERS : 'IFF_NOTRAILERS', | |
1784 | IFF_RUNNING : 'IFF_RUNNING', | |
1785 | IFF_NOARP : 'IFF_NOARP', | |
1786 | IFF_PROMISC : 'IFF_PROMISC', | |
1787 | IFF_ALLMULTI : 'IFF_ALLMULTI', | |
1788 | IFF_MASTER : 'IFF_MASTER', | |
1789 | IFF_SLAVE : 'IFF_SLAVE', | |
1790 | IFF_MULTICAST : 'IFF_MULTICAST', | |
1791 | IFF_PORTSEL : 'IFF_PORTSEL', | |
1792 | IFF_AUTOMEDIA : 'IFF_AUTOMEDIA', | |
1793 | IFF_DYNAMIC : 'IFF_DYNAMIC', | |
1794 | IFF_LOWER_UP : 'IFF_LOWER_UP', | |
1795 | IFF_DORMANT : 'IFF_DORMANT', | |
1796 | IFF_ECHO : 'IFF_ECHO', | |
1797 | IFF_PROTO_DOWN : 'IFF_PROTO_DOWN' | |
1798 | } | |
1799 | ||
1800 | # RFC 2863 operational status | |
1801 | IF_OPER_UNKNOWN = 0 | |
1802 | IF_OPER_NOTPRESENT = 1 | |
1803 | IF_OPER_DOWN = 2 | |
1804 | IF_OPER_LOWERLAYERDOWN = 3 | |
1805 | IF_OPER_TESTING = 4 | |
1806 | IF_OPER_DORMANT = 5 | |
1807 | IF_OPER_UP = 6 | |
1808 | ||
1809 | oper_to_string = { | |
1810 | IF_OPER_UNKNOWN : 'IF_OPER_UNKNOWN', | |
1811 | IF_OPER_NOTPRESENT : 'IF_OPER_NOTPRESENT', | |
1812 | IF_OPER_DOWN : 'IF_OPER_DOWN', | |
1813 | IF_OPER_LOWERLAYERDOWN : 'IF_OPER_LOWERLAYERDOWN', | |
1814 | IF_OPER_TESTING : 'IF_OPER_TESTING', | |
1815 | IF_OPER_DORMANT : 'IF_OPER_DORMANT', | |
1816 | IF_OPER_UP : 'IF_OPER_UP' | |
1817 | } | |
1818 | ||
1819 | # Link types | |
1820 | # /usr/include/linux/if_arp.h | |
1821 | # ARP protocol HARDWARE identifiers | |
1822 | ARPHRD_NETROM = 0 # from KA9Q: NET/ROM pseudo | |
1823 | ARPHRD_ETHER = 1 # Ethernet 10Mbps | |
1824 | ARPHRD_EETHER = 2 # Experimental Ethernet | |
1825 | ARPHRD_AX25 = 3 # AX.25 Level 2 | |
1826 | ARPHRD_PRONET = 4 # PROnet token ring | |
1827 | ARPHRD_CHAOS = 5 # Chaosnet | |
1828 | ARPHRD_IEEE802 = 6 # IEEE 802.2 Ethernet/TR/TB | |
1829 | ARPHRD_ARCNET = 7 # ARCnet | |
1830 | ARPHRD_APPLETLK = 8 # APPLEtalk | |
1831 | ARPHRD_DLCI = 15 # Frame Relay DLCI | |
1832 | ARPHRD_ATM = 19 # ATM | |
1833 | ARPHRD_METRICOM = 23 # Metricom STRIP (new IANA id) | |
1834 | ARPHRD_IEEE1394 = 24 # IEEE 1394 IPv4 - RFC 2734 | |
1835 | ARPHRD_EUI64 = 27 # EUI-64 | |
1836 | ARPHRD_INFINIBAND = 32 # InfiniBand | |
1837 | # Dummy types for non ARP hardware | |
1838 | ARPHRD_SLIP = 256 | |
1839 | ARPHRD_CSLIP = 257 | |
1840 | ARPHRD_SLIP6 = 258 | |
1841 | ARPHRD_CSLIP6 = 259 | |
1842 | ARPHRD_RSRVD = 260 # Notional KISS type | |
1843 | ARPHRD_ADAPT = 264 | |
1844 | ARPHRD_ROSE = 270 | |
1845 | ARPHRD_X25 = 271 # CCITT X.25 | |
1846 | ARPHRD_HWX25 = 272 # Boards with X.25 in firmware | |
1847 | ARPHRD_CAN = 280 # Controller Area Network | |
1848 | ARPHRD_PPP = 512 | |
1849 | ARPHRD_CISCO = 513 # Cisco HDLC | |
1850 | ARPHRD_HDLC = ARPHRD_CISCO | |
1851 | ARPHRD_LAPB = 516 # LAPB | |
1852 | ARPHRD_DDCMP = 517 # Digital's DDCMP protocol | |
1853 | ARPHRD_RAWHDLC = 518 # Raw HDLC | |
1854 | ARPHRD_TUNNEL = 768 # IPIP tunnel | |
1855 | ARPHRD_TUNNEL6 = 769 # IP6IP6 tunnel | |
1856 | ARPHRD_FRAD = 770 # Frame Relay Access Device | |
1857 | ARPHRD_SKIP = 771 # SKIP vif | |
1858 | ARPHRD_LOOPBACK = 772 # Loopback device | |
1859 | ARPHRD_LOCALTLK = 773 # Localtalk device | |
1860 | ARPHRD_FDDI = 774 # Fiber Distributed Data Interface | |
1861 | ARPHRD_BIF = 775 # AP1000 BIF | |
1862 | ARPHRD_SIT = 776 # sit0 device - IPv6-in-IPv4 | |
1863 | ARPHRD_IPDDP = 777 # IP over DDP tunneller | |
1864 | ARPHRD_IPGRE = 778 # GRE over IP | |
1865 | ARPHRD_PIMREG = 779 # PIMSM register interface | |
1866 | ARPHRD_HIPPI = 780 # High Performance Parallel Interface | |
1867 | ARPHRD_ASH = 781 # Nexus 64Mbps Ash | |
1868 | ARPHRD_ECONET = 782 # Acorn Econet | |
1869 | ARPHRD_IRDA = 783 # Linux-IrDA | |
1870 | ARPHRD_FCPP = 784 # Point to point fibrechannel | |
1871 | ARPHRD_FCAL = 785 # Fibrechannel arbitrated loop | |
1872 | ARPHRD_FCPL = 786 # Fibrechannel public loop | |
1873 | ARPHRD_FCFABRIC = 787 # Fibrechannel fabric | |
1874 | # 787->799 reserved for fibrechannel media types | |
1875 | ARPHRD_IEEE802_TR = 800 # Magic type ident for TR | |
1876 | ARPHRD_IEEE80211 = 801 # IEEE 802.11 | |
1877 | ARPHRD_IEEE80211_PRISM = 802 # IEEE 802.11 + Prism2 header | |
1878 | ARPHRD_IEEE80211_RADIOTAP = 803 # IEEE 802.11 + radiotap header | |
1879 | ARPHRD_IEEE802154 = 804 | |
1880 | ARPHRD_PHONET = 820 # PhoNet media type | |
1881 | ARPHRD_PHONET_PIPE = 821 # PhoNet pipe header | |
1882 | ARPHRD_CAIF = 822 # CAIF media type | |
1883 | ARPHRD_VOID = 0xFFFF # Void type, nothing is known | |
1884 | ARPHRD_NONE = 0xFFFE # zero header length | |
1885 | ||
1886 | link_type_to_string = { | |
1887 | ARPHRD_NETROM : 'ARPHRD_NETROM', | |
1888 | ARPHRD_ETHER : 'ARPHRD_ETHER', | |
1889 | ARPHRD_EETHER : 'ARPHRD_EETHER', | |
1890 | ARPHRD_AX25 : 'ARPHRD_AX25', | |
1891 | ARPHRD_PRONET : 'ARPHRD_PRONET', | |
1892 | ARPHRD_CHAOS : 'ARPHRD_CHAOS', | |
1893 | ARPHRD_IEEE802 : 'ARPHRD_IEEE802', | |
1894 | ARPHRD_ARCNET : 'ARPHRD_ARCNET', | |
1895 | ARPHRD_APPLETLK : 'ARPHRD_APPLETLK', | |
1896 | ARPHRD_DLCI : 'ARPHRD_DLCI', | |
1897 | ARPHRD_ATM : 'ARPHRD_ATM', | |
1898 | ARPHRD_METRICOM : 'ARPHRD_METRICOM', | |
1899 | ARPHRD_IEEE1394 : 'ARPHRD_IEEE1394', | |
1900 | ARPHRD_EUI64 : 'ARPHRD_EUI64', | |
1901 | ARPHRD_INFINIBAND : 'ARPHRD_INFINIBAND', | |
1902 | ARPHRD_SLIP : 'ARPHRD_SLIP', | |
1903 | ARPHRD_CSLIP : 'ARPHRD_CSLIP', | |
1904 | ARPHRD_SLIP6 : 'ARPHRD_SLIP6', | |
1905 | ARPHRD_CSLIP6 : 'ARPHRD_CSLIP6', | |
1906 | ARPHRD_RSRVD : 'ARPHRD_RSRVD', | |
1907 | ARPHRD_ADAPT : 'ARPHRD_ADAPT', | |
1908 | ARPHRD_ROSE : 'ARPHRD_ROSE', | |
1909 | ARPHRD_X25 : 'ARPHRD_X25', | |
1910 | ARPHRD_HWX25 : 'ARPHRD_HWX25', | |
1911 | ARPHRD_CAN : 'ARPHRD_CAN', | |
1912 | ARPHRD_PPP : 'ARPHRD_PPP', | |
1913 | ARPHRD_CISCO : 'ARPHRD_CISCO', | |
1914 | ARPHRD_HDLC : 'ARPHRD_HDLC', | |
1915 | ARPHRD_LAPB : 'ARPHRD_LAPB', | |
1916 | ARPHRD_DDCMP : 'ARPHRD_DDCMP', | |
1917 | ARPHRD_RAWHDLC : 'ARPHRD_RAWHDLC', | |
1918 | ARPHRD_TUNNEL : 'ARPHRD_TUNNEL', | |
1919 | ARPHRD_TUNNEL6 : 'ARPHRD_TUNNEL6', | |
1920 | ARPHRD_FRAD : 'ARPHRD_FRAD', | |
1921 | ARPHRD_SKIP : 'ARPHRD_SKIP', | |
1922 | ARPHRD_LOOPBACK : 'ARPHRD_LOOPBACK', | |
1923 | ARPHRD_LOCALTLK : 'ARPHRD_LOCALTLK', | |
1924 | ARPHRD_FDDI : 'ARPHRD_FDDI', | |
1925 | ARPHRD_BIF : 'ARPHRD_BIF', | |
1926 | ARPHRD_SIT : 'ARPHRD_SIT', | |
1927 | ARPHRD_IPDDP : 'ARPHRD_IPDDP', | |
1928 | ARPHRD_IPGRE : 'ARPHRD_IPGRE', | |
1929 | ARPHRD_PIMREG : 'ARPHRD_PIMREG', | |
1930 | ARPHRD_HIPPI : 'ARPHRD_HIPPI', | |
1931 | ARPHRD_ASH : 'ARPHRD_ASH', | |
1932 | ARPHRD_ECONET : 'ARPHRD_ECONET', | |
1933 | ARPHRD_IRDA : 'ARPHRD_IRDA', | |
1934 | ARPHRD_FCPP : 'ARPHRD_FCPP', | |
1935 | ARPHRD_FCAL : 'ARPHRD_FCAL', | |
1936 | ARPHRD_FCPL : 'ARPHRD_FCPL', | |
1937 | ARPHRD_FCFABRIC : 'ARPHRD_FCFABRIC', | |
1938 | ARPHRD_IEEE802_TR : 'ARPHRD_IEEE802_TR', | |
1939 | ARPHRD_IEEE80211 : 'ARPHRD_IEEE80211', | |
1940 | ARPHRD_IEEE80211_PRISM : 'ARPHRD_IEEE80211_PRISM', | |
1941 | ARPHRD_IEEE80211_RADIOTAP : 'ARPHRD_IEEE80211_RADIOTAP', | |
1942 | ARPHRD_IEEE802154 : 'ARPHRD_IEEE802154', | |
1943 | ARPHRD_PHONET : 'ARPHRD_PHONET', | |
1944 | ARPHRD_PHONET_PIPE : 'ARPHRD_PHONET_PIPE', | |
1945 | ARPHRD_CAIF : 'ARPHRD_CAIF', | |
1946 | ARPHRD_VOID : 'ARPHRD_VOID', | |
1947 | ARPHRD_NONE : 'ARPHRD_NONE' | |
1948 | } | |
1949 | ||
1950 | # ========================================= | |
1951 | # IFLA_LINKINFO attributes | |
1952 | # ========================================= | |
1953 | IFLA_INFO_UNSPEC = 0 | |
1954 | IFLA_INFO_KIND = 1 | |
1955 | IFLA_INFO_DATA = 2 | |
1956 | IFLA_INFO_XSTATS = 3 | |
1957 | IFLA_INFO_SLAVE_KIND = 4 | |
1958 | IFLA_INFO_SLAVE_DATA = 5 | |
1959 | IFLA_INFO_MAX = 6 | |
1960 | ||
1961 | ifla_info_to_string = { | |
1962 | IFLA_INFO_UNSPEC : 'IFLA_INFO_UNSPEC', | |
1963 | IFLA_INFO_KIND : 'IFLA_INFO_KIND', | |
1964 | IFLA_INFO_DATA : 'IFLA_INFO_DATA', | |
1965 | IFLA_INFO_XSTATS : 'IFLA_INFO_XSTATS', | |
1966 | IFLA_INFO_SLAVE_KIND : 'IFLA_INFO_SLAVE_KIND', | |
1967 | IFLA_INFO_SLAVE_DATA : 'IFLA_INFO_SLAVE_DATA', | |
1968 | IFLA_INFO_MAX : 'IFLA_INFO_MAX' | |
1969 | } | |
1970 | ||
1971 | # ========================================= | |
1972 | # IFLA_INFO_DATA attributes for vlan | |
1973 | # ========================================= | |
1974 | IFLA_VLAN_UNSPEC = 0 | |
1975 | IFLA_VLAN_ID = 1 | |
1976 | IFLA_VLAN_FLAGS = 2 | |
1977 | IFLA_VLAN_EGRESS_QOS = 3 | |
1978 | IFLA_VLAN_INGRESS_QOS = 4 | |
1979 | IFLA_VLAN_PROTOCOL = 5 | |
1980 | ||
1981 | ifla_vlan_to_string = { | |
1982 | IFLA_VLAN_UNSPEC : 'IFLA_VLAN_UNSPEC', | |
1983 | IFLA_VLAN_ID : 'IFLA_VLAN_ID', | |
1984 | IFLA_VLAN_FLAGS : 'IFLA_VLAN_FLAGS', | |
1985 | IFLA_VLAN_EGRESS_QOS : 'IFLA_VLAN_EGRESS_QOS', | |
1986 | IFLA_VLAN_INGRESS_QOS : 'IFLA_VLAN_INGRESS_QOS', | |
1987 | IFLA_VLAN_PROTOCOL : 'IFLA_VLAN_PROTOCOL' | |
1988 | } | |
1989 | ||
1990 | # ========================================= | |
1991 | # IFLA_INFO_DATA attributes for macvlan | |
1992 | # ========================================= | |
1993 | IFLA_MACVLAN_UNSPEC = 0 | |
1994 | IFLA_MACVLAN_MODE = 1 | |
1995 | ||
1996 | ifla_macvlan_to_string = { | |
1997 | IFLA_MACVLAN_UNSPEC : 'IFLA_MACVLAN_UNSPEC', | |
1998 | IFLA_MACVLAN_MODE : 'IFLA_MACVLAN_MODE' | |
1999 | } | |
2000 | ||
2001 | # macvlan modes | |
2002 | MACVLAN_MODE_PRIVATE = 1 | |
2003 | MACVLAN_MODE_VEPA = 2 | |
2004 | MACVLAN_MODE_BRIDGE = 3 | |
2005 | MACVLAN_MODE_PASSTHRU = 4 | |
2006 | ||
2007 | macvlan_mode_to_string = { | |
2008 | MACVLAN_MODE_PRIVATE : 'MACVLAN_MODE_PRIVATE', | |
2009 | MACVLAN_MODE_VEPA : 'MACVLAN_MODE_VEPA', | |
2010 | MACVLAN_MODE_BRIDGE : 'MACVLAN_MODE_BRIDGE', | |
2011 | MACVLAN_MODE_PASSTHRU : 'MACVLAN_MODE_PASSTHRU' | |
2012 | } | |
2013 | ||
2014 | # ========================================= | |
2015 | # IFLA_INFO_DATA attributes for vxlan | |
2016 | # ========================================= | |
2017 | IFLA_VXLAN_UNSPEC = 0 | |
2018 | IFLA_VXLAN_ID = 1 | |
2019 | IFLA_VXLAN_GROUP = 2 | |
2020 | IFLA_VXLAN_LINK = 3 | |
2021 | IFLA_VXLAN_LOCAL = 4 | |
2022 | IFLA_VXLAN_TTL = 5 | |
2023 | IFLA_VXLAN_TOS = 6 | |
2024 | IFLA_VXLAN_LEARNING = 7 | |
2025 | IFLA_VXLAN_AGEING = 8 | |
2026 | IFLA_VXLAN_LIMIT = 9 | |
2027 | IFLA_VXLAN_PORT_RANGE = 10 | |
2028 | IFLA_VXLAN_PROXY = 11 | |
2029 | IFLA_VXLAN_RSC = 12 | |
2030 | IFLA_VXLAN_L2MISS = 13 | |
2031 | IFLA_VXLAN_L3MISS = 14 | |
2032 | IFLA_VXLAN_PORT = 15 | |
2033 | IFLA_VXLAN_GROUP6 = 16 | |
2034 | IFLA_VXLAN_LOCAL6 = 17 | |
2035 | IFLA_VXLAN_UDP_CSUM = 18 | |
2036 | IFLA_VXLAN_UDP_ZERO_CSUM6_TX = 19 | |
2037 | IFLA_VXLAN_UDP_ZERO_CSUM6_RX = 20 | |
2038 | IFLA_VXLAN_REMCSUM_TX = 21 | |
2039 | IFLA_VXLAN_REMCSUM_RX = 22 | |
2040 | IFLA_VXLAN_GBP = 23 | |
2041 | IFLA_VXLAN_REMCSUM_NOPARTIAL = 24 | |
2042 | IFLA_VXLAN_COLLECT_METADATA = 25 | |
2043 | IFLA_VXLAN_REPLICATION_NODE = 253 | |
2044 | IFLA_VXLAN_REPLICATION_TYPE = 254 | |
2045 | ||
2046 | ifla_vxlan_to_string = { | |
2047 | IFLA_VXLAN_UNSPEC : 'IFLA_VXLAN_UNSPEC', | |
2048 | IFLA_VXLAN_ID : 'IFLA_VXLAN_ID', | |
2049 | IFLA_VXLAN_GROUP : 'IFLA_VXLAN_GROUP', | |
2050 | IFLA_VXLAN_LINK : 'IFLA_VXLAN_LINK', | |
2051 | IFLA_VXLAN_LOCAL : 'IFLA_VXLAN_LOCAL', | |
2052 | IFLA_VXLAN_TTL : 'IFLA_VXLAN_TTL', | |
2053 | IFLA_VXLAN_TOS : 'IFLA_VXLAN_TOS', | |
2054 | IFLA_VXLAN_LEARNING : 'IFLA_VXLAN_LEARNING', | |
2055 | IFLA_VXLAN_AGEING : 'IFLA_VXLAN_AGEING', | |
2056 | IFLA_VXLAN_LIMIT : 'IFLA_VXLAN_LIMIT', | |
2057 | IFLA_VXLAN_PORT_RANGE : 'IFLA_VXLAN_PORT_RANGE', | |
2058 | IFLA_VXLAN_PROXY : 'IFLA_VXLAN_PROXY', | |
2059 | IFLA_VXLAN_RSC : 'IFLA_VXLAN_RSC', | |
2060 | IFLA_VXLAN_L2MISS : 'IFLA_VXLAN_L2MISS', | |
2061 | IFLA_VXLAN_L3MISS : 'IFLA_VXLAN_L3MISS', | |
2062 | IFLA_VXLAN_PORT : 'IFLA_VXLAN_PORT', | |
2063 | IFLA_VXLAN_GROUP6 : 'IFLA_VXLAN_GROUP6', | |
2064 | IFLA_VXLAN_LOCAL6 : 'IFLA_VXLAN_LOCAL6', | |
2065 | IFLA_VXLAN_UDP_CSUM : 'IFLA_VXLAN_UDP_CSUM', | |
2066 | IFLA_VXLAN_UDP_ZERO_CSUM6_TX : 'IFLA_VXLAN_UDP_ZERO_CSUM6_TX', | |
2067 | IFLA_VXLAN_UDP_ZERO_CSUM6_RX : 'IFLA_VXLAN_UDP_ZERO_CSUM6_RX', | |
2068 | IFLA_VXLAN_REMCSUM_TX : 'IFLA_VXLAN_REMCSUM_TX', | |
2069 | IFLA_VXLAN_REMCSUM_RX : 'IFLA_VXLAN_REMCSUM_RX', | |
2070 | IFLA_VXLAN_GBP : 'IFLA_VXLAN_GBP', | |
2071 | IFLA_VXLAN_REMCSUM_NOPARTIAL : 'IFLA_VXLAN_REMCSUM_NOPARTIAL', | |
2072 | IFLA_VXLAN_COLLECT_METADATA : 'IFLA_VXLAN_COLLECT_METADATA', | |
2073 | IFLA_VXLAN_REPLICATION_NODE : 'IFLA_VXLAN_REPLICATION_NODE', | |
2074 | IFLA_VXLAN_REPLICATION_TYPE : 'IFLA_VXLAN_REPLICATION_TYPE' | |
2075 | } | |
2076 | ||
2077 | # ========================================= | |
2078 | # IFLA_INFO_DATA attributes for bonds | |
2079 | # ========================================= | |
2080 | IFLA_BOND_UNSPEC = 0 | |
2081 | IFLA_BOND_MODE = 1 | |
2082 | IFLA_BOND_ACTIVE_SLAVE = 2 | |
2083 | IFLA_BOND_MIIMON = 3 | |
2084 | IFLA_BOND_UPDELAY = 4 | |
2085 | IFLA_BOND_DOWNDELAY = 5 | |
2086 | IFLA_BOND_USE_CARRIER = 6 | |
2087 | IFLA_BOND_ARP_INTERVAL = 7 | |
2088 | IFLA_BOND_ARP_IP_TARGET = 8 | |
2089 | IFLA_BOND_ARP_VALIDATE = 9 | |
2090 | IFLA_BOND_ARP_ALL_TARGETS = 10 | |
2091 | IFLA_BOND_PRIMARY = 11 | |
2092 | IFLA_BOND_PRIMARY_RESELECT = 12 | |
2093 | IFLA_BOND_FAIL_OVER_MAC = 13 | |
2094 | IFLA_BOND_XMIT_HASH_POLICY = 14 | |
2095 | IFLA_BOND_RESEND_IGMP = 15 | |
2096 | IFLA_BOND_NUM_PEER_NOTIF = 16 | |
2097 | IFLA_BOND_ALL_SLAVES_ACTIVE = 17 | |
2098 | IFLA_BOND_MIN_LINKS = 18 | |
2099 | IFLA_BOND_LP_INTERVAL = 19 | |
2100 | IFLA_BOND_PACKETS_PER_SLAVE = 20 | |
2101 | IFLA_BOND_AD_LACP_RATE = 21 | |
2102 | IFLA_BOND_AD_SELECT = 22 | |
2103 | IFLA_BOND_AD_INFO = 23 | |
2104 | IFLA_BOND_AD_ACTOR_SYS_PRIO = 24 | |
2105 | IFLA_BOND_AD_USER_PORT_KEY = 25 | |
2106 | IFLA_BOND_AD_ACTOR_SYSTEM = 26 | |
2107 | IFLA_BOND_CL_LACP_BYPASS_ALLOW = 100 | |
2108 | IFLA_BOND_CL_LACP_BYPASS_ACTIVE = 101 | |
2109 | IFLA_BOND_CL_LACP_BYPASS_PERIOD = 102 | |
2110 | IFLA_BOND_CL_CLAG_ENABLE = 103 | |
2111 | IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE = 104 | |
2112 | ||
2113 | ifla_bond_to_string = { | |
2114 | IFLA_BOND_UNSPEC : 'IFLA_BOND_UNSPEC', | |
2115 | IFLA_BOND_MODE : 'IFLA_BOND_MODE', | |
2116 | IFLA_BOND_ACTIVE_SLAVE : 'IFLA_BOND_ACTIVE_SLAVE', | |
2117 | IFLA_BOND_MIIMON : 'IFLA_BOND_MIIMON', | |
2118 | IFLA_BOND_UPDELAY : 'IFLA_BOND_UPDELAY', | |
2119 | IFLA_BOND_DOWNDELAY : 'IFLA_BOND_DOWNDELAY', | |
2120 | IFLA_BOND_USE_CARRIER : 'IFLA_BOND_USE_CARRIER', | |
2121 | IFLA_BOND_ARP_INTERVAL : 'IFLA_BOND_ARP_INTERVAL', | |
2122 | IFLA_BOND_ARP_IP_TARGET : 'IFLA_BOND_ARP_IP_TARGET', | |
2123 | IFLA_BOND_ARP_VALIDATE : 'IFLA_BOND_ARP_VALIDATE', | |
2124 | IFLA_BOND_ARP_ALL_TARGETS : 'IFLA_BOND_ARP_ALL_TARGETS', | |
2125 | IFLA_BOND_PRIMARY : 'IFLA_BOND_PRIMARY', | |
2126 | IFLA_BOND_PRIMARY_RESELECT : 'IFLA_BOND_PRIMARY_RESELECT', | |
2127 | IFLA_BOND_FAIL_OVER_MAC : 'IFLA_BOND_FAIL_OVER_MAC', | |
2128 | IFLA_BOND_XMIT_HASH_POLICY : 'IFLA_BOND_XMIT_HASH_POLICY', | |
2129 | IFLA_BOND_RESEND_IGMP : 'IFLA_BOND_RESEND_IGMP', | |
2130 | IFLA_BOND_NUM_PEER_NOTIF : 'IFLA_BOND_NUM_PEER_NOTIF', | |
2131 | IFLA_BOND_ALL_SLAVES_ACTIVE : 'IFLA_BOND_ALL_SLAVES_ACTIVE', | |
2132 | IFLA_BOND_MIN_LINKS : 'IFLA_BOND_MIN_LINKS', | |
2133 | IFLA_BOND_LP_INTERVAL : 'IFLA_BOND_LP_INTERVAL', | |
2134 | IFLA_BOND_PACKETS_PER_SLAVE : 'IFLA_BOND_PACKETS_PER_SLAVE', | |
2135 | IFLA_BOND_AD_LACP_RATE : 'IFLA_BOND_AD_LACP_RATE', | |
2136 | IFLA_BOND_AD_SELECT : 'IFLA_BOND_AD_SELECT', | |
2137 | IFLA_BOND_AD_INFO : 'IFLA_BOND_AD_INFO', | |
2138 | IFLA_BOND_AD_ACTOR_SYS_PRIO : 'IFLA_BOND_AD_ACTOR_SYS_PRIO', | |
2139 | IFLA_BOND_AD_USER_PORT_KEY : 'IFLA_BOND_AD_USER_PORT_KEY', | |
2140 | IFLA_BOND_AD_ACTOR_SYSTEM : 'IFLA_BOND_AD_ACTOR_SYSTEM', | |
2141 | IFLA_BOND_CL_LACP_BYPASS_ALLOW : 'IFLA_BOND_CL_LACP_BYPASS_ALLOW', | |
2142 | IFLA_BOND_CL_LACP_BYPASS_ACTIVE : 'IFLA_BOND_CL_LACP_BYPASS_ACTIVE', | |
2143 | IFLA_BOND_CL_LACP_BYPASS_PERIOD : 'IFLA_BOND_CL_LACP_BYPASS_PERIOD', | |
2144 | IFLA_BOND_CL_CLAG_ENABLE : 'IFLA_BOND_CL_CLAG_ENABLE', | |
2145 | IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE : 'IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE' | |
2146 | } | |
2147 | ||
2148 | # ========================================= | |
2149 | # IFLA_INFO_DATA attributes for bridges | |
2150 | # ========================================= | |
2151 | IFLA_BRPORT_UNSPEC = 0 | |
2152 | IFLA_BRPORT_STATE = 1 | |
2153 | IFLA_BRPORT_PRIORITY = 2 | |
2154 | IFLA_BRPORT_COST = 3 | |
2155 | IFLA_BRPORT_MODE = 4 | |
2156 | IFLA_BRPORT_GUARD = 5 | |
2157 | IFLA_BRPORT_PROTECT = 6 | |
2158 | IFLA_BRPORT_FAST_LEAVE = 7 | |
2159 | IFLA_BRPORT_LEARNING = 8 | |
2160 | IFLA_BRPORT_UNICAST_FLOOD = 9 | |
2161 | IFLA_BRPORT_PROXYARP = 10 | |
2162 | IFLA_BRPORT_LEARNING_SYNC = 11 | |
2163 | IFLA_BRPORT_PROXYARP_WIFI = 12 | |
2164 | IFLA_BRPORT_ROOT_ID = 13 | |
2165 | IFLA_BRPORT_BRIDGE_ID = 14 | |
2166 | IFLA_BRPORT_DESIGNATED_PORT = 15 | |
2167 | IFLA_BRPORT_DESIGNATED_COST = 16 | |
2168 | IFLA_BRPORT_ID = 17 | |
2169 | IFLA_BRPORT_NO = 18 | |
2170 | IFLA_BRPORT_TOPOLOGY_CHANGE_ACK = 19 | |
2171 | IFLA_BRPORT_CONFIG_PENDING = 20 | |
2172 | IFLA_BRPORT_MESSAGE_AGE_TIMER = 21 | |
2173 | IFLA_BRPORT_FORWARD_DELAY_TIMER = 22 | |
2174 | IFLA_BRPORT_HOLD_TIMER = 23 | |
2175 | IFLA_BRPORT_FLUSH = 24 | |
2176 | IFLA_BRPORT_MULTICAST_ROUTER = 25 | |
2177 | IFLA_BRPORT_PEER_LINK = 150 | |
2178 | IFLA_BRPORT_DUAL_LINK = 151 | |
2179 | ||
2180 | ifla_bridge_to_string = { | |
2181 | IFLA_BRPORT_UNSPEC : 'IFLA_BRPORT_UNSPEC', | |
2182 | IFLA_BRPORT_STATE : 'IFLA_BRPORT_STATE', | |
2183 | IFLA_BRPORT_PRIORITY : 'IFLA_BRPORT_PRIORITY', | |
2184 | IFLA_BRPORT_COST : 'IFLA_BRPORT_COST', | |
2185 | IFLA_BRPORT_MODE : 'IFLA_BRPORT_MODE', | |
2186 | IFLA_BRPORT_GUARD : 'IFLA_BRPORT_GUARD', | |
2187 | IFLA_BRPORT_PROTECT : 'IFLA_BRPORT_PROTECT', | |
2188 | IFLA_BRPORT_FAST_LEAVE : 'IFLA_BRPORT_FAST_LEAVE', | |
2189 | IFLA_BRPORT_LEARNING : 'IFLA_BRPORT_LEARNING', | |
2190 | IFLA_BRPORT_UNICAST_FLOOD : 'IFLA_BRPORT_UNICAST_FLOOD', | |
2191 | IFLA_BRPORT_PROXYARP : 'IFLA_BRPORT_PROXYARP', | |
2192 | IFLA_BRPORT_LEARNING_SYNC : 'IFLA_BRPORT_LEARNING_SYNC', | |
2193 | IFLA_BRPORT_PROXYARP_WIFI : 'IFLA_BRPORT_PROXYARP_WIFI', | |
2194 | IFLA_BRPORT_ROOT_ID : 'IFLA_BRPORT_ROOT_ID', | |
2195 | IFLA_BRPORT_BRIDGE_ID : 'IFLA_BRPORT_BRIDGE_ID', | |
2196 | IFLA_BRPORT_DESIGNATED_PORT : 'IFLA_BRPORT_DESIGNATED_PORT', | |
2197 | IFLA_BRPORT_DESIGNATED_COST : 'IFLA_BRPORT_DESIGNATED_COST', | |
2198 | IFLA_BRPORT_ID : 'IFLA_BRPORT_ID', | |
2199 | IFLA_BRPORT_NO : 'IFLA_BRPORT_NO', | |
2200 | IFLA_BRPORT_TOPOLOGY_CHANGE_ACK : 'IFLA_BRPORT_TOPOLOGY_CHANGE_ACK', | |
2201 | IFLA_BRPORT_CONFIG_PENDING : 'IFLA_BRPORT_CONFIG_PENDING', | |
2202 | IFLA_BRPORT_MESSAGE_AGE_TIMER : 'IFLA_BRPORT_MESSAGE_AGE_TIMER', | |
2203 | IFLA_BRPORT_FORWARD_DELAY_TIMER : 'IFLA_BRPORT_FORWARD_DELAY_TIMER', | |
2204 | IFLA_BRPORT_HOLD_TIMER : 'IFLA_BRPORT_HOLD_TIMER', | |
2205 | IFLA_BRPORT_FLUSH : 'IFLA_BRPORT_FLUSH', | |
2206 | IFLA_BRPORT_MULTICAST_ROUTER : 'IFLA_BRPORT_MULTICAST_ROUTER', | |
2207 | IFLA_BRPORT_PEER_LINK : 'IFLA_BRPORT_PEER_LINK', | |
2208 | IFLA_BRPORT_DUAL_LINK : 'IFLA_BRPORT_DUAL_LINK' | |
2209 | } | |
2210 | ||
2211 | # BRIDGE IFLA_AF_SPEC attributes | |
2212 | IFLA_BRIDGE_FLAGS = 0 | |
2213 | IFLA_BRIDGE_MODE = 1 | |
2214 | IFLA_BRIDGE_VLAN_INFO = 2 | |
2215 | ||
2216 | ifla_bridge_af_spec_to_string = { | |
2217 | IFLA_BRIDGE_FLAGS : 'IFLA_BRIDGE_FLAGS', | |
2218 | IFLA_BRIDGE_MODE : 'IFLA_BRIDGE_MODE', | |
2219 | IFLA_BRIDGE_VLAN_INFO : 'IFLA_BRIDGE_VLAN_INFO' | |
2220 | } | |
2221 | ||
2222 | # BRIDGE_VLAN_INFO flags | |
26d1e82b JF |
2223 | BRIDGE_VLAN_INFO_MASTER = 1 << 0 |
2224 | BRIDGE_VLAN_INFO_PVID = 1 << 1 | |
2225 | BRIDGE_VLAN_INFO_UNTAGGED = 1 << 2 | |
2226 | BRIDGE_VLAN_INFO_RANGE_BEGIN = 1 << 3 | |
2227 | BRIDGE_VLAN_INFO_RANGE_END = 1 << 4 | |
198ded6a JF |
2228 | |
2229 | bridge_vlan_to_string = { | |
26d1e82b JF |
2230 | BRIDGE_VLAN_INFO_MASTER : 'BRIDGE_VLAN_INFO_MASTER', |
2231 | BRIDGE_VLAN_INFO_PVID : 'BRIDGE_VLAN_INFO_PVID', | |
2232 | BRIDGE_VLAN_INFO_UNTAGGED : 'BRIDGE_VLAN_INFO_UNTAGGED', | |
2233 | BRIDGE_VLAN_INFO_RANGE_BEGIN : 'BRIDGE_VLAN_INFO_RANGE_BEGIN', | |
2234 | BRIDGE_VLAN_INFO_RANGE_END : 'BRIDGE_VLAN_INFO_RANGE_END' | |
198ded6a JF |
2235 | } |
2236 | ||
2237 | # Bridge flags | |
2238 | BRIDGE_FLAGS_MASTER = 1 | |
2239 | BRIDGE_FLAGS_SELF = 2 | |
2240 | ||
2241 | bridge_flags_to_string = { | |
2242 | BRIDGE_FLAGS_MASTER : 'BRIDGE_FLAGS_MASTER', | |
2243 | BRIDGE_FLAGS_SELF : 'BRIDGE_FLAGS_SELF' | |
2244 | } | |
2245 | ||
26d1e82b JF |
2246 | # filters for IFLA_EXT_MASK |
2247 | RTEXT_FILTER_VF = 1 << 0 | |
2248 | RTEXT_FILTER_BRVLAN = 1 << 1 | |
2249 | RTEXT_FILTER_BRVLAN_COMPRESSED = 1 << 2 | |
2250 | RTEXT_FILTER_SKIP_STATS = 1 << 3 | |
2251 | ||
2252 | rtext_to_string = { | |
2253 | RTEXT_FILTER_VF : 'RTEXT_FILTER_VF', | |
2254 | RTEXT_FILTER_BRVLAN : 'RTEXT_FILTER_BRVLAN', | |
2255 | RTEXT_FILTER_BRVLAN_COMPRESSED : 'RTEXT_FILTER_BRVLAN_COMPRESSED', | |
2256 | RTEXT_FILTER_SKIP_STATS : 'RTEXT_FILTER_SKIP_STATS' | |
2257 | } | |
2258 | ||
198ded6a JF |
2259 | def __init__(self, msgtype, debug=False, logger=None): |
2260 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
2261 | self.PACK = 'BxHiII' | |
2262 | self.LEN = calcsize(self.PACK) | |
2263 | ||
2264 | def get_link_type_string(self, index): | |
2265 | return self.get_string(self.link_type_to_string, index) | |
2266 | ||
2267 | def get_ifla_bridge_af_spec_to_string(self, index): | |
2268 | return self.get_string(self.ifla_bridge_af_spec_to_string, index) | |
2269 | ||
2270 | def get_ifla_info_string(self, index): | |
2271 | return self.get_string(self.ifla_info_to_string, index) | |
2272 | ||
2273 | def get_ifla_vlan_string(self, index): | |
2274 | return self.get_string(self.ifla_vlan_to_string, index) | |
2275 | ||
2276 | def get_ifla_vxlan_string(self, index): | |
2277 | return self.get_string(self.ifla_vxlan_to_string, index) | |
2278 | ||
2279 | def get_ifla_macvlan_string(self, index): | |
2280 | return self.get_string(self.ifla_macvlan_to_string, index) | |
2281 | ||
2282 | def get_macvlan_mode_string(self, index): | |
2283 | return self.get_string(self.macvlan_mode_to_string, index) | |
2284 | ||
2285 | def get_ifla_bond_string(self, index): | |
2286 | return self.get_string(self.ifla_bond_to_string, index) | |
2287 | ||
2288 | def get_ifla_bridge_string(self, index): | |
2289 | return self.get_string(self.ifla_bridge_to_string, index) | |
2290 | ||
2291 | def get_bridge_vlan_string(self, index): | |
2292 | return self.get_string(self.bridge_vlan_to_string, index) | |
2293 | ||
2294 | def get_bridge_flags_string(self, index): | |
2295 | return self.get_string(self.bridge_flags_to_string, index) | |
2296 | ||
2297 | def decode_service_header(self): | |
2298 | ||
2299 | # Nothing to do if the message did not contain a service header | |
2300 | if self.length == self.header_LEN: | |
2301 | return | |
2302 | ||
2303 | (self.family, self.device_type, | |
2304 | self.ifindex, | |
2305 | self.flags, | |
2306 | self.change_mask) = \ | |
2307 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
2308 | ||
2309 | if self.debug: | |
2310 | color = yellow | |
2311 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
2312 | for x in range(0, self.LEN/4): | |
2313 | if self.line_number == 5: | |
2314 | extra = "Family %s (%d), Device Type %s (%d - %s)" % \ | |
2315 | (zfilled_hex(self.family, 2), self.family, | |
2316 | zfilled_hex(self.device_type, 4), self.device_type, self.get_link_type_string(self.device_type)) | |
2317 | elif self.line_number == 6: | |
2318 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
2319 | elif self.line_number == 7: | |
2320 | extra = "Device Flags %s (%s)" % (zfilled_hex(self.flags, 8), self.get_flags_string()) | |
2321 | elif self.line_number == 8: | |
2322 | extra = "Change Mask %s" % zfilled_hex(self.change_mask, 8) | |
2323 | else: | |
2324 | extra = "Unexpected line number %d" % self.line_number | |
2325 | ||
2326 | start = x * 4 | |
2327 | end = start + 4 | |
2328 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
2329 | self.line_number += 1 | |
2330 | ||
2331 | def is_up(self): | |
2332 | if self.flags & Link.IFF_UP: | |
2333 | return True | |
2334 | return False | |
2335 | ||
2336 | ||
2337 | class Neighbor(NetlinkPacket): | |
2338 | """ | |
2339 | Service Header | |
2340 | ||
2341 | 0 1 2 3 | |
2342 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
2343 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2344 | | Family | Reserved1 | Reserved2 | | |
2345 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2346 | | Interface Index | | |
2347 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2348 | | State | Flags | Type | | |
2349 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2350 | """ | |
2351 | ||
2352 | # Neighbor attributes | |
2353 | # /usr/include/linux/neighbour.h | |
2354 | NDA_UNSPEC = 0x00 # Unknown type | |
2355 | NDA_DST = 0x01 # A neighbour cache network. layer destination address | |
2356 | NDA_LLADDR = 0x02 # A neighbor cache link layer address. | |
2357 | NDA_CACHEINFO = 0x03 # Cache statistics | |
2358 | NDA_PROBES = 0x04 | |
2359 | NDA_VLAN = 0x05 | |
2360 | NDA_PORT = 0x06 | |
2361 | NDA_VNI = 0x07 | |
2362 | NDA_IFINDEX = 0x08 | |
2363 | NDA_MASTER = 0x09 | |
2364 | NDA_LINK_NETNSID = 0x0A | |
2365 | ||
2366 | attribute_to_class = { | |
2367 | NDA_UNSPEC : ('NDA_UNSPEC', AttributeGeneric), | |
2368 | NDA_DST : ('NDA_DST', AttributeIPAddress), | |
2369 | NDA_LLADDR : ('NDA_LLADDR', AttributeMACAddress), | |
2370 | NDA_CACHEINFO : ('NDA_CACHEINFO', AttributeGeneric), | |
2371 | NDA_PROBES : ('NDA_PROBES', AttributeFourByteValue), | |
2372 | NDA_VLAN : ('NDA_VLAN', AttributeGeneric), | |
2373 | NDA_PORT : ('NDA_PORT', AttributeGeneric), | |
2374 | NDA_VNI : ('NDA_VNI', AttributeGeneric), | |
2375 | NDA_IFINDEX : ('NDA_IFINDEX', AttributeGeneric), | |
2376 | NDA_MASTER : ('NDA_MASTER', AttributeGeneric), | |
2377 | NDA_LINK_NETNSID : ('NDA_LINK_NETNSID', AttributeGeneric) | |
2378 | } | |
2379 | ||
2380 | # Neighbor flags | |
2381 | # /usr/include/linux/neighbour.h | |
2382 | NTF_USE = 0x01 | |
2383 | NTF_PROXY = 0x08 # A proxy ARP entry | |
2384 | NTF_ROUTER = 0x80 # An IPv6 router | |
2385 | ||
2386 | flag_to_string = { | |
2387 | NTF_USE : 'NTF_USE', | |
2388 | NTF_PROXY : 'NTF_PROXY', | |
2389 | NTF_ROUTER : 'NTF_ROUTER' | |
2390 | } | |
2391 | ||
2392 | # Neighbor states | |
2393 | # /usr/include/linux/neighbour.h | |
2394 | NUD_NONE = 0x00 | |
2395 | NUD_INCOMPLETE = 0x01 # Still attempting to resolve | |
2396 | NUD_REACHABLE = 0x02 # A confirmed working cache entry | |
2397 | NUD_STALE = 0x04 # an expired cache entry | |
2398 | NUD_DELAY = 0x08 # Neighbor no longer reachable. Traffic sent, waiting for confirmatio. | |
2399 | NUD_PROBE = 0x10 # A cache entry that is currently being re-solicited | |
2400 | NUD_FAILED = 0x20 # An invalid cache entry | |
2401 | NUD_NOARP = 0x40 # A device which does not do neighbor discovery(ARP) | |
2402 | NUD_PERMANENT = 0x80 # A static entry | |
2403 | ||
2404 | state_to_string = { | |
2405 | NUD_NONE : 'NUD_NONE', | |
2406 | NUD_INCOMPLETE : 'NUD_INCOMPLETE', | |
2407 | NUD_REACHABLE : 'NUD_REACHABLE', | |
2408 | NUD_STALE : 'NUD_STALE', | |
2409 | NUD_DELAY : 'NUD_DELAY', | |
2410 | NUD_PROBE : 'NUD_PROBE', | |
2411 | NUD_FAILED : 'NUD_FAILED', | |
2412 | NUD_NOARP : 'NUD_NOARP', | |
2413 | NUD_PERMANENT : 'NUD_PERMANENT' | |
2414 | } | |
2415 | ||
2416 | def __init__(self, msgtype, debug=False, logger=None): | |
2417 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
2418 | self.PACK = 'BxxxiHBB' | |
2419 | self.LEN = calcsize(self.PACK) | |
2420 | ||
2421 | def get_state_string(self, index): | |
2422 | return self.get_string(self.state_to_string, index) | |
2423 | ||
2424 | def decode_service_header(self): | |
2425 | ||
2426 | # Nothing to do if the message did not contain a service header | |
2427 | if self.length == self.header_LEN: | |
2428 | return | |
2429 | ||
2430 | (self.family, | |
2431 | self.ifindex, | |
2432 | self.state, self.flags, self.neighbor_type) = \ | |
2433 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
2434 | ||
2435 | if self.debug: | |
2436 | color = yellow | |
2437 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
2438 | ||
2439 | for x in range(0, self.LEN/4): | |
2440 | if self.line_number == 5: | |
2441 | extra = "Family %s (%d)" % (zfilled_hex(self.family, 2), self.family) | |
2442 | elif self.line_number == 6: | |
2443 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
2444 | elif self.line_number == 7: | |
2445 | extra = "State %s (%d), Flags %s, Type %s (%d)" % \ | |
2446 | (zfilled_hex(self.state, 4), self.state, | |
2447 | zfilled_hex(self.flags, 2), | |
2448 | zfilled_hex(self.neighbor_type, 4), self.neighbor_type) | |
2449 | else: | |
2450 | extra = "Unexpected line number %d" % self.line_number | |
2451 | ||
2452 | start = x * 4 | |
2453 | end = start + 4 | |
2454 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
2455 | self.line_number += 1 | |
2456 | ||
2457 | ||
2458 | class Route(NetlinkPacket): | |
2459 | """ | |
2460 | Service Header | |
2461 | ||
2462 | 0 1 2 3 | |
2463 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 | |
2464 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2465 | | Family | Dest length | Src length | TOS | | |
2466 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2467 | | Table ID | Protocol | Scope | Type | | |
2468 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2469 | | Flags | | |
2470 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
2471 | """ | |
2472 | ||
2473 | # Route attributes | |
2474 | # /usr/include/linux/rtnetlink.h | |
2475 | RTA_UNSPEC = 0x00 # Ignored. | |
2476 | RTA_DST = 0x01 # Protocol address for route destination address. | |
2477 | RTA_SRC = 0x02 # Protocol address for route source address. | |
2478 | RTA_IIF = 0x03 # Input interface index. | |
2479 | RTA_OIF = 0x04 # Output interface index. | |
2480 | RTA_GATEWAY = 0x05 # Protocol address for the gateway of the route | |
2481 | RTA_PRIORITY = 0x06 # Priority of broker. | |
2482 | RTA_PREFSRC = 0x07 # Preferred source address in cases where more than one source address could be used. | |
2483 | RTA_METRICS = 0x08 # Route metrics attributed to route and associated protocols(e.g., RTT, initial TCP window, etc.). | |
2484 | RTA_MULTIPATH = 0x09 # Multipath route next hop's attributes. | |
2485 | RTA_PROTOINFO = 0x0A # Firewall based policy routing attribute. | |
2486 | RTA_FLOW = 0x0B # Route realm. | |
2487 | RTA_CACHEINFO = 0x0C # Cached route information. | |
2488 | RTA_SESSION = 0x0D | |
2489 | RTA_MP_ALGO = 0x0E | |
2490 | RTA_TABLE = 0x0F | |
2491 | RTA_MARK = 0x10 | |
ea2bf79d JF |
2492 | RTA_MFC_STATS = 0x11 |
2493 | RTA_VIA = 0x12 | |
2494 | RTA_NEWDST = 0x13 | |
2495 | RTA_PREF = 0x14 | |
2496 | RTA_ENCAP_TYPE= 0x15 | |
2497 | RTA_ENCAP = 0x16 | |
198ded6a JF |
2498 | |
2499 | attribute_to_class = { | |
2500 | RTA_UNSPEC : ('RTA_UNSPEC', AttributeGeneric), | |
2501 | RTA_DST : ('RTA_DST', AttributeIPAddress), | |
2502 | RTA_SRC : ('RTA_SRC', AttributeIPAddress), | |
2503 | RTA_IIF : ('RTA_IIF', AttributeFourByteValue), | |
2504 | RTA_OIF : ('RTA_OIF', AttributeFourByteValue), | |
2505 | RTA_GATEWAY : ('RTA_GATEWAY', AttributeIPAddress), | |
2506 | RTA_PRIORITY : ('RTA_PRIORITY', AttributeFourByteValue), | |
2507 | RTA_PREFSRC : ('RTA_PREFSRC', AttributeIPAddress), | |
2508 | RTA_METRICS : ('RTA_METRICS', AttributeGeneric), | |
2509 | RTA_MULTIPATH : ('RTA_MULTIPATH', AttributeRTA_MULTIPATH), | |
2510 | RTA_PROTOINFO : ('RTA_PROTOINFO', AttributeGeneric), | |
2511 | RTA_FLOW : ('RTA_FLOW', AttributeGeneric), | |
2512 | RTA_CACHEINFO : ('RTA_CACHEINFO', AttributeGeneric), | |
2513 | RTA_SESSION : ('RTA_SESSION', AttributeGeneric), | |
2514 | RTA_MP_ALGO : ('RTA_MP_ALGO', AttributeGeneric), | |
2515 | RTA_TABLE : ('RTA_TABLE', AttributeFourByteValue), | |
ea2bf79d JF |
2516 | RTA_MARK : ('RTA_MARK', AttributeGeneric), |
2517 | RTA_MFC_STATS : ('RTA_MFC_STATS', AttributeGeneric), | |
2518 | RTA_VIA : ('RTA_VIA', AttributeGeneric), | |
2519 | RTA_NEWDST : ('RTA_NEWDST', AttributeGeneric), | |
2520 | RTA_PREF : ('RTA_PREF', AttributeGeneric), | |
2521 | RTA_ENCAP_TYPE: ('RTA_ENCAP_TYPE', AttributeGeneric), | |
2522 | RTA_ENCAP : ('RTA_ENCAP', AttributeGeneric) | |
198ded6a JF |
2523 | } |
2524 | ||
2525 | # Route tables | |
2526 | # /usr/include/linux/rtnetlink.h | |
2527 | RT_TABLE_UNSPEC = 0x00 # An unspecified routing table | |
2528 | RT_TABLE_COMPAT = 0xFC | |
2529 | RT_TABLE_DEFAULT = 0xFD # The default table | |
2530 | RT_TABLE_MAIN = 0xFE # The main table | |
2531 | RT_TABLE_LOCAL = 0xFF # The local table | |
2532 | ||
2533 | table_to_string = { | |
2534 | RT_TABLE_UNSPEC : 'RT_TABLE_UNSPEC', | |
2535 | RT_TABLE_COMPAT : 'RT_TABLE_COMPAT', | |
2536 | RT_TABLE_DEFAULT : 'RT_TABLE_DEFAULT', | |
2537 | RT_TABLE_MAIN : 'RT_TABLE_MAIN', | |
2538 | RT_TABLE_LOCAL : 'RT_TABLE_LOCAL' | |
2539 | } | |
2540 | ||
2541 | # Route scope | |
2542 | # /usr/include/linux/rtnetlink.h | |
2543 | RT_SCOPE_UNIVERSE = 0x00 # Global route | |
2544 | RT_SCOPE_SITE = 0xC8 # Interior route in the local autonomous system | |
2545 | RT_SCOPE_LINK = 0xFD # Route on this link | |
2546 | RT_SCOPE_HOST = 0xFE # Route on the local host | |
2547 | RT_SCOPE_NOWHERE = 0xFF # Destination does not exist | |
2548 | ||
2549 | scope_to_string = { | |
2550 | RT_SCOPE_UNIVERSE : 'RT_SCOPE_UNIVERSE', | |
2551 | RT_SCOPE_SITE : 'RT_SCOPE_SITE', | |
2552 | RT_SCOPE_LINK : 'RT_SCOPE_LINK', | |
2553 | RT_SCOPE_HOST : 'RT_SCOPE_HOST', | |
2554 | RT_SCOPE_NOWHERE : 'RT_SCOPE_NOWHERE' | |
2555 | } | |
2556 | ||
2557 | # Routing stack | |
2558 | # /usr/include/linux/rtnetlink.h | |
2559 | RT_PROT_UNSPEC = 0x00 # Identifies what/who added the route | |
2560 | RT_PROT_REDIRECT = 0x01 # By an ICMP redirect | |
2561 | RT_PROT_KERNEL = 0x02 # By the kernel | |
2562 | RT_PROT_BOOT = 0x03 # During bootup | |
2563 | RT_PROT_STATIC = 0x04 # By the administrator | |
2564 | RT_PROT_GATED = 0x08 # GateD | |
2565 | RT_PROT_RA = 0x09 # RDISC/ND router advertissements | |
2566 | RT_PROT_MRT = 0x0A # Merit MRT | |
2567 | RT_PROT_ZEBRA = 0x0B # ZEBRA | |
2568 | RT_PROT_BIRD = 0x0C # BIRD | |
2569 | RT_PROT_DNROUTED = 0x0D # DECnet routing daemon | |
2570 | RT_PROT_XORP = 0x0E # XORP | |
2571 | RT_PROT_NTK = 0x0F # Netsukuku | |
2572 | RT_PROT_DHCP = 0x10 # DHCP client | |
2573 | RT_PROT_EXABGP = 0x11 # Exa Networks ExaBGP | |
2574 | ||
2575 | prot_to_string = { | |
2576 | RT_PROT_UNSPEC : 'RT_PROT_UNSPEC', | |
2577 | RT_PROT_REDIRECT : 'RT_PROT_REDIRECT', | |
2578 | RT_PROT_KERNEL : 'RT_PROT_KERNEL', | |
2579 | RT_PROT_BOOT : 'RT_PROT_BOOT', | |
2580 | RT_PROT_STATIC : 'RT_PROT_STATIC', | |
2581 | RT_PROT_GATED : 'RT_PROT_GATED', | |
2582 | RT_PROT_RA : 'RT_PROT_RA', | |
2583 | RT_PROT_MRT : 'RT_PROT_MRT', | |
2584 | RT_PROT_ZEBRA : 'RT_PROT_ZEBRA', | |
2585 | RT_PROT_BIRD : 'RT_PROT_BIRD', | |
2586 | RT_PROT_DNROUTED : 'RT_PROT_DNROUTED', | |
2587 | RT_PROT_XORP : 'RT_PROT_XORP', | |
2588 | RT_PROT_NTK : 'RT_PROT_NTK', | |
2589 | RT_PROT_DHCP : 'RT_PROT_DHCP', | |
2590 | RT_PROT_EXABGP : 'RT_PROT_EXABGP' | |
2591 | } | |
2592 | ||
2593 | # Route types | |
2594 | # /usr/include/linux/rtnetlink.h | |
2595 | RTN_UNSPEC = 0x00 # Unknown broker. | |
2596 | RTN_UNICAST = 0x01 # A gateway or direct broker. | |
2597 | RTN_LOCAL = 0x02 # A local interface broker. | |
2598 | RTN_BROADCAST = 0x03 # A local broadcast route(sent as a broadcast). | |
2599 | RTN_ANYCAST = 0x04 # An anycast broker. | |
2600 | RTN_MULTICAST = 0x05 # A multicast broker. | |
2601 | RTN_BLACKHOLE = 0x06 # A silent packet dropping broker. | |
2602 | RTN_UNREACHABLE = 0x07 # An unreachable destination. Packets dropped and | |
2603 | # host unreachable ICMPs are sent to the originator. | |
2604 | RTN_PROHIBIT = 0x08 # A packet rejection broker. Packets are dropped and | |
2605 | # communication prohibited ICMPs are sent to the originator. | |
2606 | RTN_THROW = 0x09 # When used with policy routing, continue routing lookup | |
2607 | # in another table. Under normal routing, packets are | |
2608 | # dropped and net unreachable ICMPs are sent to the originator. | |
2609 | RTN_NAT = 0x0A # A network address translation rule. | |
2610 | RTN_XRESOLVE = 0x0B # Refer to an external resolver(not implemented). | |
2611 | ||
2612 | rt_type_to_string = { | |
2613 | RTN_UNSPEC : 'RTN_UNSPEC', | |
2614 | RTN_UNICAST : 'RTN_UNICAST', | |
2615 | RTN_LOCAL : 'RTN_LOCAL', | |
2616 | RTN_BROADCAST : 'RTN_BROADCAST', | |
2617 | RTN_ANYCAST : 'RTN_ANYCAST', | |
2618 | RTN_MULTICAST : 'RTN_MULTICAST', | |
2619 | RTN_BLACKHOLE : 'RTN_BLACKHOLE', | |
2620 | RTN_UNREACHABLE : 'RTN_UNREACHABLE', | |
2621 | RTN_PROHIBIT : 'RTN_PROHIBIT', | |
2622 | RTN_THROW : 'RTN_THROW', | |
2623 | RTN_NAT : 'RTN_NAT', | |
2624 | RTN_XRESOLVE : 'RTN_XRESOLVE' | |
2625 | } | |
2626 | ||
2627 | # Route flags | |
2628 | # /usr/include/linux/rtnetlink.h | |
2629 | RTM_F_NOTIFY = 0x100 # If the route changes, notify the user | |
2630 | RTM_F_CLONED = 0x200 # Route is cloned from another route | |
2631 | RTM_F_EQUALIZE = 0x400 # Allow randomization of next hop path in multi-path routing(currently not implemented) | |
2632 | RTM_F_PREFIX = 0x800 # Prefix Address | |
2633 | ||
2634 | flag_to_string = { | |
2635 | RTM_F_NOTIFY : 'RTM_F_NOTIFY', | |
2636 | RTM_F_CLONED : 'RTM_F_CLONED', | |
2637 | RTM_F_EQUALIZE : 'RTM_F_EQUALIZE', | |
2638 | RTM_F_PREFIX : 'RTM_F_PREFIX' | |
2639 | } | |
2640 | ||
2641 | def __init__(self, msgtype, debug=False, logger=None): | |
2642 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
2643 | self.PACK = '=8BI' # or is it 8Bi ? | |
2644 | self.LEN = calcsize(self.PACK) | |
2645 | self.family = None | |
2646 | ||
2647 | def get_prefix_string(self): | |
2648 | dst = self.get_attribute_value(self.RTA_DST) | |
2649 | ||
2650 | if dst: | |
2651 | return "%s/%d" % (dst, self.src_len) | |
2652 | else: | |
2653 | if self.family == AF_INET: | |
2654 | return "0.0.0.0/0" | |
2655 | elif self.family == AF_INET6: | |
2656 | return "::/0" | |
2657 | ||
2658 | def get_protocol_string(self, index=None): | |
2659 | if index is None: | |
2660 | index = self.protocol | |
2661 | return self.get_string(self.prot_to_string, index) | |
2662 | ||
2663 | def get_rt_type_string(self, index=None): | |
2664 | if index is None: | |
2665 | index = self.route_type | |
2666 | return self.get_string(self.rt_type_to_string, index) | |
2667 | ||
2668 | def get_scope_string(self, index=None): | |
2669 | if index is None: | |
2670 | index = self.scope | |
2671 | return self.get_string(self.scope_to_string, index) | |
2672 | ||
2673 | def get_table_id_string(self, index=None): | |
2674 | if index is None: | |
2675 | index = self.table_id | |
2676 | return self.get_string(self.table_to_string, index) | |
2677 | ||
2678 | def _get_ifname_from_index(self, ifindex, ifname_by_index): | |
2679 | if ifindex: | |
2680 | ifname = ifname_by_index.get(ifindex) | |
2681 | ||
2682 | if ifname is None: | |
2683 | ifname = str(ifindex) | |
2684 | else: | |
2685 | ifname = None | |
2686 | ||
2687 | return ifname | |
2688 | ||
2689 | def get_nexthops(self, ifname_by_index={}): | |
2690 | nexthop = self.get_attribute_value(self.RTA_GATEWAY) | |
2691 | multipath = self.get_attribute_value(self.RTA_MULTIPATH) | |
2692 | nexthops = [] | |
2693 | ||
2694 | if nexthop: | |
2695 | rta_oif = self.get_attribute_value(self.RTA_OIF) | |
2696 | ifname = self._get_ifname_from_index(rta_oif, ifname_by_index) | |
2697 | nexthops.append((nexthop, ifname)) | |
2698 | ||
2699 | elif multipath: | |
2700 | for (nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops) in multipath: | |
2701 | ifname = self._get_ifname_from_index(rtnh_ifindex, ifname_by_index) | |
2702 | nexthops.append((nexthop, ifname)) | |
2703 | ||
2704 | return nexthops | |
2705 | ||
2706 | def get_nexthops_string(self, ifname_by_index={}): | |
2707 | output = [] | |
2708 | ||
2709 | for (nexthop, ifname) in self.get_nexthops(ifname_by_index): | |
2710 | output.append(" via %s on %s" % (nexthop, ifname)) | |
2711 | ||
2712 | return ",".join(output) | |
2713 | ||
2714 | def decode_service_header(self): | |
2715 | ||
2716 | # Nothing to do if the message did not contain a service header | |
2717 | if self.length == self.header_LEN: | |
2718 | return | |
2719 | ||
2720 | (self.family, self.src_len, self.dst_len, self.tos, | |
2721 | self.table_id, self.protocol, self.scope, self.route_type, | |
2722 | self.flags) = \ | |
2723 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
2724 | ||
2725 | if self.debug: | |
2726 | color = yellow | |
2727 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
2728 | ||
2729 | for x in range(0, self.LEN/4): | |
2730 | if self.line_number == 5: | |
2731 | extra = "Family %s (%d), Source Length %s (%d), Destination Length %s (%d), TOS %s (%d)" % \ | |
2732 | (zfilled_hex(self.family, 2), self.family, | |
2733 | zfilled_hex(self.src_len, 2), self.src_len, | |
2734 | zfilled_hex(self.dst_len, 2), self.dst_len, | |
2735 | zfilled_hex(self.tos, 2), self.tos) | |
2736 | elif self.line_number == 6: | |
2737 | extra = "Table ID %s (%d - %s), Protocol %s (%d - %s), Scope %s (%d - %s), Type %s (%d - %s)" % \ | |
2738 | (zfilled_hex(self.table_id, 2), self.table_id, self.get_table_id_string(), | |
2739 | zfilled_hex(self.protocol, 2), self.protocol, self.get_protocol_string(), | |
2740 | zfilled_hex(self.scope, 2), self.scope, self.get_scope_string(), | |
2741 | zfilled_hex(self.route_type, 2), self.route_type, self.get_rt_type_string()) | |
2742 | elif self.line_number == 7: | |
2743 | extra = "Flags %s" % zfilled_hex(self.flags, 8) | |
2744 | else: | |
2745 | extra = "Unexpected line number %d" % self.line_number | |
2746 | ||
2747 | start = x * 4 | |
2748 | end = start + 4 | |
2749 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
2750 | self.line_number += 1 |