projects / mirror_ifupdown2.git / blame
| 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 | ||
| 42 | # Netlink message types | |
| 43 | NLMSG_NOOP = 0x01 | |
| 44 | NLMSG_ERROR = 0x02 | |
| 45 | NLMSG_DONE = 0x03 | |
| 46 | NLMSG_OVERRUN = 0x04 | |
| 47 | ||
| 48 | RTM_NEWLINK = 0x10 # Create a new network interface | |
| 49 | RTM_DELLINK = 0x11 # Destroy a network interface | |
| 50 | RTM_GETLINK = 0x12 # Retrieve information about a network interface(ifinfomsg) | |
| 51 | RTM_SETLINK = 0x13 # | |
| 52 | ||
| 53 | RTM_NEWADDR = 0x14 | |
| 54 | RTM_DELADDR = 0x15 | |
| 55 | RTM_GETADDR = 0x16 | |
| 56 | ||
| 57 | RTM_NEWNEIGH = 0x1C | |
| 58 | RTM_DELNEIGH = 0x1D | |
| 59 | RTM_GETNEIGH = 0x1E | |
| 60 | ||
| 61 | RTM_NEWROUTE = 0x18 | |
| 62 | RTM_DELROUTE = 0x19 | |
| 63 | RTM_GETROUTE = 0x1A | |
| 64 | ||
| 65 | RTM_NEWQDISC = 0x24 | |
| 66 | RTM_DELQDISC = 0x25 | |
| 67 | RTM_GETQDISC = 0x26 | |
| 68 | ||
| 69 | # Netlink message flags | |
| 70 | NLM_F_REQUEST = 0x01 # It is query message. | |
| 71 | NLM_F_MULTI = 0x02 # Multipart message, terminated by NLMSG_DONE | |
| 72 | NLM_F_ACK = 0x04 # Reply with ack, with zero or error code | |
| 73 | NLM_F_ECHO = 0x08 # Echo this query | |
| 74 | ||
| 75 | # Modifiers to GET query | |
| 76 | NLM_F_ROOT = 0x100 # specify tree root | |
| 77 | NLM_F_MATCH = 0x200 # return all matching | |
| 78 | NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH | |
| 79 | NLM_F_ATOMIC = 0x400 # atomic GET | |
| 80 | ||
| 81 | # Modifiers to NEW query | |
| 82 | NLM_F_REPLACE = 0x100 # Override existing | |
| 83 | NLM_F_EXCL = 0x200 # Do not touch, if it exists | |
| 84 | NLM_F_CREATE = 0x400 # Create, if it does not exist | |
| 85 | NLM_F_APPEND = 0x800 # Add to end of list | |
| 86 | ||
| 87 | NLA_F_NESTED = 0x8000 | |
| 88 | NLA_F_NET_BYTEORDER = 0x4000 | |
| 89 | NLA_TYPE_MASK = ~(NLA_F_NESTED | NLA_F_NET_BYTEORDER) | |
| 90 | ||
| 91 | # Groups | |
| 92 | RTMGRP_LINK = 0x1 | |
| 93 | RTMGRP_NOTIFY = 0x2 | |
| 94 | RTMGRP_NEIGH = 0x4 | |
| 95 | RTMGRP_TC = 0x8 | |
| 96 | RTMGRP_IPV4_IFADDR = 0x10 | |
| 97 | RTMGRP_IPV4_MROUTE = 0x20 | |
| 98 | RTMGRP_IPV4_ROUTE = 0x40 | |
| 99 | RTMGRP_IPV4_RULE = 0x80 | |
| 100 | RTMGRP_IPV6_IFADDR = 0x100 | |
| 101 | RTMGRP_IPV6_MROUTE = 0x200 | |
| 102 | RTMGRP_IPV6_ROUTE = 0x400 | |
| 103 | RTMGRP_IPV6_IFINFO = 0x800 | |
| 104 | RTMGRP_DECnet_IFADDR = 0x1000 | |
| 105 | RTMGRP_DECnet_ROUTE = 0x4000 | |
| 106 | RTMGRP_IPV6_PREFIX = 0x20000 | |
| 107 | ||
| 108 | RTMGRP_ALL = (RTMGRP_LINK | RTMGRP_NOTIFY | RTMGRP_NEIGH | RTMGRP_TC | | |
| 109 | RTMGRP_IPV4_IFADDR | RTMGRP_IPV4_MROUTE | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_RULE | | |
| 110 | RTMGRP_IPV6_IFADDR | RTMGRP_IPV6_MROUTE | RTMGRP_IPV6_ROUTE | RTMGRP_IPV6_IFINFO | | |
| 111 | RTMGRP_DECnet_IFADDR | RTMGRP_DECnet_ROUTE | | |
| 112 | RTMGRP_IPV6_PREFIX) | |
| 113 | ||
| 114 | # Colors for logging | |
| 115 | red = 91 | |
| 116 | green = 92 | |
| 117 | yellow = 93 | |
| 118 | blue = 94 | |
| 119 | ||
| 120 | ||
| 121 | def zfilled_hex(value, digits): | |
| 122 | return '0x' + hex(value)[2:].zfill(digits) | |
| 123 | ||
| 124 | ||
| 125 | def remove_trailing_null(line): | |
| 126 | """ | |
| 127 | Remove the last character if it is a NULL...having that NULL | |
| 128 | causes python to print a garbage character | |
| 129 | """ | |
| 130 | ||
| 131 | if ord(line[-1]) == 0: | |
| 132 | line = line[:-1] | |
| 133 | ||
| 134 | return line | |
| 135 | ||
| 136 | ||
| 137 | def mac_int_to_str(mac_int): | |
| 138 | """ | |
| 139 | Return an integer in MAC string format | |
| 140 | """ | |
| 141 | ||
| 142 | # [2:] to remove the leading 0x, then fill out to 12 zeroes, then uppercase | |
| 143 | all_caps = hex(int(mac_int))[2:].zfill(12).upper() | |
| 144 | ||
| 145 | if all_caps[-1] == 'L': | |
| 146 | all_caps = all_caps[:-1] | |
| 147 | all_caps = all_caps.zfill(12).upper() | |
| 148 | ||
| 149 | return "%s.%s.%s" % (all_caps[0:4], all_caps[4:8], all_caps[8:12]) | |
| 150 | ||
| 151 | ||
| 152 | def data_to_color_text(line_number, color, data, extra=''): | |
| 153 | (c1, c2, c3, c4) = unpack('BBBB', data[0:4]) | |
| 154 | in_ascii = [] | |
| 155 | ||
| 156 | for c in (c1, c2, c3, c4): | |
| 157 | char_c = chr(c) | |
| 158 | ||
| 159 | if char_c in printable[:-5]: | |
| 160 | in_ascii.append(char_c) | |
| 161 | else: | |
| 162 | in_ascii.append('.') | |
| 163 | ||
| 164 | return ' %2d: \033[%dm0x%02x%02x%02x%02x\033[0m %s %s' % (line_number, color, c1, c2, c3, c4, ''.join(in_ascii), extra) | |
| 165 | ||
| 166 | ||
| 167 | def padded_length(length): | |
| 168 | return int((length + 3) / 4) * 4 | |
| 169 | ||
| 170 | ||
| 171 | class Attribute(object): | |
| 172 | ||
| 173 | def __init__(self, atype, string, logger): | |
| 174 | self.atype = atype | |
| 175 | self.string = string | |
| 176 | self.HEADER_PACK = '=HH' | |
| 177 | self.HEADER_LEN = calcsize(self.HEADER_PACK) | |
| 178 | self.PACK = None | |
| 179 | self.LEN = None | |
| 180 | self.value = None | |
| 181 | self.nested = False | |
| 182 | self.net_byteorder = False | |
| 183 | self.log = logger | |
| 184 | ||
| 185 | def __str__(self): | |
| 186 | return self.string | |
| 187 | ||
| 188 | def pad_bytes_needed(self, length): | |
| 189 | """ | |
| 190 | Return the number of bytes that should be added to align on a 4-byte boundry | |
| 191 | """ | |
| 192 | remainder = length % 4 | |
| 193 | ||
| 194 | if remainder: | |
| 195 | return 4 - remainder | |
| 196 | ||
| 197 | return 0 | |
| 198 | ||
| 199 | def pad(self, length, raw): | |
| 200 | pad = self.pad_bytes_needed(length) | |
| 201 | ||
| 202 | if pad: | |
| 203 | raw += '\0' * pad | |
| 204 | ||
| 205 | return raw | |
| 206 | ||
| 207 | def encode(self): | |
| 208 | length = self.HEADER_LEN + self.LEN | |
| 209 | attr_type_with_flags = self.atype | |
| 210 | ||
| 211 | if self.nested: | |
| 212 | attr_type_with_flags = attr_type_with_flags | NLA_F_NESTED | |
| 213 | ||
| 214 | if self.net_byteorder: | |
| 215 | attr_type_with_flags = attr_type_with_flags | NLA_F_NET_BYTEORDER | |
| 216 | ||
| 217 | raw = pack(self.HEADER_PACK, length, attr_type_with_flags) + pack(self.PACK, self.value) | |
| 218 | raw = self.pad(length, raw) | |
| 219 | return raw | |
| 220 | ||
| 221 | def decode_length_type(self, data): | |
| 222 | """ | |
| 223 | The first two bytes of an attribute are the length, the next two bytes are the type | |
| 224 | """ | |
| 225 | self.data = data | |
| 226 | prev_atype = self.atype | |
| 227 | (data1, data2) = unpack(self.HEADER_PACK, data[:self.HEADER_LEN]) | |
| 228 | self.length = int(data1) | |
| 229 | self.atype = int(data2) | |
| 230 | self.attr_end = padded_length(self.length) | |
| 231 | ||
| 232 | self.nested = True if self.atype & NLA_F_NESTED else False | |
| 233 | self.net_byteorder = True if self.atype & NLA_F_NET_BYTEORDER else False | |
| 234 | self.atype = self.atype & NLA_TYPE_MASK | |
| 235 | ||
| 236 | # Should never happen | |
| 237 | assert self.atype == prev_atype, "This object changes attribute type from %d to %d, this is bad" % (prev_atype, self.atype) | |
| 238 | ||
| 239 | def dump_first_line(self, dump_buffer, line_number, color): | |
| 240 | """ | |
| 241 | Add the "Length....Type..." line to the dump buffer | |
| 242 | """ | |
| 243 | if self.attr_end == self.length: | |
| 244 | padded_to = ', ' | |
| 245 | else: | |
| 246 | padded_to = ' padded to %d, ' % self.attr_end | |
| 247 | ||
| 248 | extra = 'Length %s (%d)%sType %s%s%s (%d) %s' % \ | |
| 249 | (zfilled_hex(self.length, 4), self.length, | |
| 250 | padded_to, | |
| 251 | zfilled_hex(self.atype, 4), | |
| 252 | " (NLA_F_NESTED set)" if self.nested else "", | |
| 253 | " (NLA_F_NET_BYTEORDER set)" if self.net_byteorder else "", | |
| 254 | self.atype, | |
| 255 | self) | |
| 256 | ||
| 257 | dump_buffer.append(data_to_color_text(line_number, color, self.data[0:4], extra)) | |
| 258 | return line_number + 1 | |
| 259 | ||
| 260 | def dump_lines(self, dump_buffer, line_number, color): | |
| 261 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 262 | ||
| 263 | for x in xrange(1, self.attr_end/4): | |
| 264 | start = x * 4 | |
| 265 | end = start + 4 | |
| 266 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], '')) | |
| 267 | line_number += 1 | |
| 268 | ||
| 269 | return line_number | |
| 270 | ||
| 271 | def get_pretty_value(self): | |
| 272 | return self.value | |
| 273 | ||
| 274 | ||
| 275 | class AttributeFourByteValue(Attribute): | |
| 276 | ||
| 277 | def __init__(self, atype, string, logger): | |
| 278 | Attribute.__init__(self, atype, string, logger) | |
| 279 | self.PACK = '=L' | |
| 280 | self.LEN = calcsize(self.PACK) | |
| 281 | ||
| 282 | def decode(self, parent_msg, data): | |
| 283 | self.decode_length_type(data) | |
| 284 | assert self.attr_end == 8, "Attribute length for %s must be 8, it is %d" % (self, self.attr_end) | |
| 285 | ||
| 286 | try: | |
| 287 | self.value = int(unpack(self.PACK, self.data[4:])[0]) | |
| 288 | except struct.error: | |
| 289 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
| 290 | raise | |
| 291 | ||
| 292 | def dump_lines(self, dump_buffer, line_number, color): | |
| 293 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 294 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
| 295 | return line_number + 1 | |
| 296 | ||
| 297 | ||
| 298 | class AttributeString(Attribute): | |
| 299 | ||
| 300 | def __init__(self, atype, string, logger): | |
| 301 | Attribute.__init__(self, atype, string, logger) | |
| 302 | self.PACK = None | |
| 303 | self.LEN = None | |
| 304 | ||
| 305 | def encode(self): | |
| 306 | # some interface names come from JSON unicode strings | |
| 307 | # and cannot be packed as is so we must convert them to strings | |
| 308 | if isinstance(self.value, unicode): | |
| 309 | self.value = str(self.value) | |
| 310 | self.PACK = '%ds' % len(self.value) | |
| 311 | self.LEN = calcsize(self.PACK) | |
| 312 | ||
| 313 | length = self.HEADER_LEN + self.LEN | |
| 314 | raw = pack(self.HEADER_PACK, length, self.atype) + pack(self.PACK, self.value) | |
| 315 | raw = self.pad(length, raw) | |
| 316 | return raw | |
| 317 | ||
| 318 | def decode(self, parent_msg, data): | |
| 319 | self.decode_length_type(data) | |
| 320 | self.PACK = '%ds' % (self.length - 4) | |
| 321 | self.LEN = calcsize(self.PACK) | |
| 322 | ||
| 323 | try: | |
| 324 | self.value = remove_trailing_null(unpack(self.PACK, self.data[4:self.length])[0]) | |
| 325 | except struct.error: | |
| 326 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:self.length]))) | |
| 327 | raise | |
| 328 | ||
| 329 | ||
| 330 | class AttributeIPAddress(Attribute): | |
| 331 | ||
| 332 | def __init__(self, atype, string, family, logger): | |
| 333 | Attribute.__init__(self, atype, string, logger) | |
| 334 | self.value_int = None | |
| 335 | self.value_int_str = None | |
| 336 | self.family = family | |
| 337 | ||
| 338 | if self.family == AF_INET: | |
| 339 | self.PACK = '>L' | |
| 340 | ||
| 341 | elif self.family == AF_INET6: | |
| 342 | self.PACK = '>QQ' | |
| 343 | ||
| 344 | elif self.family == AF_BRIDGE: | |
| 345 | self.PACK = '>L' | |
| 346 | ||
| 347 | else: | |
| 348 | raise Exception("%s is not a supported address family" % self.family) | |
| 349 | ||
| 350 | self.LEN = calcsize(self.PACK) | |
| 351 | ||
| 352 | def decode(self, parent_msg, data): | |
| 353 | self.decode_length_type(data) | |
| 354 | ||
| 355 | try: | |
| 356 | if self.family == AF_INET: | |
| 357 | self.value = IPv4Address(unpack(self.PACK, self.data[4:])[0]) | |
| 358 | ||
| 359 | elif self.family == AF_INET6: | |
| 360 | (data1, data2) = unpack(self.PACK, self.data[4:]) | |
| 361 | self.value = IPv6Address(data1 << 64 | data2) | |
| 362 | ||
| 363 | elif self.family == AF_BRIDGE: | |
| 364 | self.value = unpack(self.PACK, self.data[4:])[0] | |
| 365 | ||
| 366 | self.value_int = int(self.value) | |
| 367 | self.value_int_str = str(self.value_int) | |
| 368 | ||
| 369 | except struct.error: | |
| 370 | self.value = None | |
| 371 | self.value_int = None | |
| 372 | self.value_int_str = None | |
| 373 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
| 374 | raise | |
| 375 | ||
| 376 | def dump_lines(self, dump_buffer, line_number, color): | |
| 377 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 378 | ||
| 379 | if self.family == AF_INET: | |
| 380 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
| 381 | line_number += 1 | |
| 382 | ||
| 383 | elif self.family == AF_INET6: | |
| 384 | ||
| 385 | for x in xrange(1, self.attr_end/4): | |
| 386 | start = x * 4 | |
| 387 | end = start + 4 | |
| 388 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], self.value)) | |
| 389 | line_number += 1 | |
| 390 | ||
| 391 | elif self.family == AF_BRIDGE: | |
| 392 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
| 393 | line_number += 1 | |
| 394 | ||
| 395 | return line_number | |
| 396 | ||
| 397 | ||
| 398 | class AttributeMACAddress(Attribute): | |
| 399 | ||
| 400 | def __init__(self, atype, string, logger): | |
| 401 | Attribute.__init__(self, atype, string, logger) | |
| 402 | self.PACK = '>LHxx' | |
| 403 | self.LEN = calcsize(self.PACK) | |
| 404 | ||
| 405 | def decode(self, parent_msg, data): | |
| 406 | self.decode_length_type(data) | |
| 407 | ||
| 408 | try: | |
| 409 | (data1, data2) = unpack(self.PACK, self.data[4:]) | |
| 410 | self.value = mac_int_to_str(data1 << 16 | data2) | |
| 411 | ||
| 412 | except struct.error: | |
| 413 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
| 414 | raise | |
| 415 | ||
| 416 | def encode(self): | |
| 417 | length = self.HEADER_LEN + self.LEN | |
| 418 | mac_raw = int(self.value.replace('.', '').replace(':', ''), 16) | |
| 419 | raw = pack(self.HEADER_PACK, length, self.atype) + pack(self.PACK, mac_raw >> 16, mac_raw & 0x0000FF) | |
| 420 | raw = self.pad(length, raw) | |
| 421 | return raw | |
| 422 | ||
| 423 | def dump_lines(self, dump_buffer, line_number, color): | |
| 424 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 425 | dump_buffer.append(data_to_color_text(line_number, color, self.data[4:8], self.value)) | |
| 426 | dump_buffer.append(data_to_color_text(line_number, color, self.data[8:12], self.value)) | |
| 427 | return line_number + 1 | |
| 428 | ||
| 429 | ||
| 430 | class AttributeGeneric(Attribute): | |
| 431 | ||
| 432 | def __init__(self, atype, string, logger): | |
| 433 | Attribute.__init__(self, atype, string, logger) | |
| 434 | self.PACK = None | |
| 435 | self.LEN = None | |
| 436 | ||
| 437 | def decode(self, parent_msg, data): | |
| 438 | self.decode_length_type(data) | |
| 439 | wordcount = (self.attr_end - 4)/4 | |
| 440 | self.PACK = '=%dL' % wordcount | |
| 441 | self.LEN = calcsize(self.PACK) | |
| 442 | ||
| 443 | try: | |
| 444 | self.value = ''.join(map(str, unpack(self.PACK, self.data[4:]))) | |
| 445 | except struct.error: | |
| 446 | self.log.error("%s unpack of %s failed, data 0x%s" % (self, self.PACK, hexlify(self.data[4:]))) | |
| 447 | raise | |
| 448 | ||
| 449 | ||
| 450 | class AttributeIFLA_AF_SPEC(Attribute): | |
| 451 | """ | |
| 452 | value will be a dictionary such as: | |
| 453 | { | |
| 454 | Link.IFLA_BRIDGE_FLAGS: flags, | |
| 455 | Link.IFLA_BRIDGE_VLAN_INFO: (vflags, vlanid) | |
| 456 | } | |
| 457 | """ | |
| 458 | ||
| 459 | def encode(self): | |
| 460 | pack_layout = [self.HEADER_PACK] | |
| 461 | payload = [0, self.atype] | |
| 462 | attr_length_index = 0 | |
| 463 | ||
| 464 | # For now this assumes that all data will be packed in the native endian | |
| 465 | # order (=). If a field is added that needs to be packed via network | |
| 466 | # order (>) then some smarts will need to be added to split the pack_layout | |
| 467 | # string at the >, split the payload and make the needed pack() calls. | |
| 468 | # | |
| 469 | # Until we cross that bridge though we will keep things nice and simple and | |
| 470 | # pack everything via a single pack() call. | |
| 471 | for (sub_attr_type, sub_attr_value) in self.value.iteritems(): | |
| 472 | sub_attr_pack_layout = ['=', 'HH'] | |
| 473 | sub_attr_payload = [0, sub_attr_type] | |
| 474 | sub_attr_length_index = 0 | |
| 475 | ||
| 476 | if sub_attr_type == Link.IFLA_BRIDGE_FLAGS: | |
| 477 | sub_attr_pack_layout.append('H') | |
| 478 | sub_attr_payload.append(sub_attr_value) | |
| 479 | ||
| 480 | elif sub_attr_type == Link.IFLA_BRIDGE_VLAN_INFO: | |
| 481 | sub_attr_pack_layout.append('HH') | |
| 482 | sub_attr_payload.append(sub_attr_value[0]) | |
| 483 | sub_attr_payload.append(sub_attr_value[1]) | |
| 484 | ||
| 485 | else: | |
| 486 | self.log.debug('Add support for encoding IFLA_AF_SPEC sub-attribute type %d' % sub_attr_type) | |
| 487 | continue | |
| 488 | ||
| 489 | sub_attr_length = calcsize(''.join(sub_attr_pack_layout)) | |
| 490 | sub_attr_payload[sub_attr_length_index] = sub_attr_length | |
| 491 | ||
| 492 | # add padding | |
| 493 | for x in xrange(self.pad_bytes_needed(sub_attr_length)): | |
| 494 | sub_attr_pack_layout.append('x') | |
| 495 | ||
| 496 | # The [1:] is to remove the leading = so that when we do the ''.join() later | |
| 497 | # we do not end up with an = in the middle of the pack layout string. There | |
| 498 | # will be an = at the beginning via self.HEADER_PACK | |
| 499 | sub_attr_pack_layout = sub_attr_pack_layout[1:] | |
| 500 | ||
| 501 | # Now extend the ovarall attribute pack_layout/payload to include this sub-attribute | |
| 502 | pack_layout.extend(sub_attr_pack_layout) | |
| 503 | payload.extend(sub_attr_payload) | |
| 504 | ||
| 505 | pack_layout = ''.join(pack_layout) | |
| 506 | ||
| 507 | # Fill in the length field | |
| 508 | length = calcsize(pack_layout) | |
| 509 | payload[attr_length_index] = length | |
| 510 | ||
| 511 | raw = pack(pack_layout, *payload) | |
| 512 | raw = self.pad(length, raw) | |
| 513 | return raw | |
| 514 | ||
| 515 | def decode(self, parent_msg, data): | |
| 516 | """ | |
| 517 | value is a dictionary such as: | |
| 518 | { | |
| 519 | Link.IFLA_BRIDGE_FLAGS: flags, | |
| 520 | Link.IFLA_BRIDGE_VLAN_INFO: (vflags, vlanid) | |
| 521 | } | |
| 522 | """ | |
| 523 | self.decode_length_type(data) | |
| 524 | self.value = {} | |
| 525 | ||
| 526 | data = self.data[4:] | |
| 527 | ||
| 528 | while data: | |
| 529 | (sub_attr_length, sub_attr_type) = unpack('=HH', data[:4]) | |
| 530 | sub_attr_end = padded_length(sub_attr_length) | |
| 531 | ||
| 532 | if not sub_attr_length: | |
| 533 | self.log.error('parsed a zero length sub-attr') | |
| 534 | return | |
| 535 | ||
| 536 | sub_attr_data = data[4:sub_attr_end] | |
| 537 | ||
| 538 | if sub_attr_type == Link.IFLA_BRIDGE_FLAGS: | |
| 539 | self.value[Link.IFLA_BRIDGE_FLAGS] = unpack("=H", sub_attr_data[0:2])[0] | |
| 540 | ||
| 541 | elif sub_attr_type == Link.IFLA_BRIDGE_VLAN_INFO: | |
| 542 | self.value[Link.IFLA_INFO_DATA] = tuple(unpack("=HH", sub_attr_data[0:4])) | |
| 543 | ||
| 544 | else: | |
| 545 | self.log.debug('Add support for decoding IFLA_AF_SPEC sub-attribute type %s (%d), length %d, padded to %d' % | |
| 546 | (parent_msg.get_ifla_bridge_af_spec_to_string(sub_attr_type), sub_attr_type, sub_attr_length, sub_attr_end)) | |
| 547 | ||
| 548 | data = data[sub_attr_end:] | |
| 549 | ||
| 550 | def dump_lines(self, dump_buffer, line_number, color): | |
| 551 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 552 | extra = '' | |
| 553 | ||
| 554 | next_sub_attr_line = 0 | |
| 555 | sub_attr_line = True | |
| 556 | ||
| 557 | for x in xrange(1, self.attr_end/4): | |
| 558 | start = x * 4 | |
| 559 | end = start + 4 | |
| 560 | ||
| 561 | if line_number == next_sub_attr_line: | |
| 562 | sub_attr_line = True | |
| 563 | ||
| 564 | if sub_attr_line: | |
| 565 | sub_attr_line = False | |
| 566 | ||
| 567 | (sub_attr_length, sub_attr_type) = unpack('=HH', self.data[start:start+4]) | |
| 568 | sub_attr_end = padded_length(sub_attr_length) | |
| 569 | ||
| 570 | next_sub_attr_line = line_number + (sub_attr_end/4) | |
| 571 | ||
| 572 | if sub_attr_end == sub_attr_length: | |
| 573 | padded_to = ', ' | |
| 574 | else: | |
| 575 | padded_to = ' padded to %d, ' % sub_attr_end | |
| 576 | ||
| 577 | extra = 'Nested Attribute - Length %s (%d)%s Type %s (%d) %s' % \ | |
| 578 | (zfilled_hex(sub_attr_length, 4), sub_attr_length, | |
| 579 | padded_to, | |
| 580 | zfilled_hex(sub_attr_type, 4), sub_attr_type, | |
| 581 | Link.ifla_bridge_af_spec_to_string.get(sub_attr_type)) | |
| 582 | else: | |
| 583 | extra = '' | |
| 584 | ||
| 585 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], extra)) | |
| 586 | line_number += 1 | |
| 587 | ||
| 588 | return line_number | |
| 589 | ||
| 590 | def get_pretty_value(self): | |
| 591 | # We do this so we can print a more human readable dictionary | |
| 592 | # with the names of the nested keys instead of their numbers | |
| 593 | value_pretty = {} | |
| 594 | ||
| 595 | for (sub_key, sub_value) in self.value.iteritems(): | |
| 596 | sub_key_pretty = "(%2d) % s" % (sub_key, Link.ifla_bridge_af_spec_to_string.get(sub_key)) | |
| 597 | value_pretty[sub_key_pretty] = sub_value | |
| 598 | ||
| 599 | return value_pretty | |
| 600 | ||
| 601 | ||
| 602 | ||
| 603 | class AttributeRTA_MULTIPATH(Attribute): | |
| 604 | """ | |
| 605 | /* RTA_MULTIPATH --- array of struct rtnexthop. | |
| 606 | * | |
| 607 | * "struct rtnexthop" describes all necessary nexthop information, | |
| 608 | * i.e. parameters of path to a destination via this nexthop. | |
| 609 | * | |
| 610 | * At the moment it is impossible to set different prefsrc, mtu, window | |
| 611 | * and rtt for different paths from multipath. | |
| 612 | */ | |
| 613 | ||
| 614 | struct rtnexthop { | |
| 615 | unsigned short rtnh_len; | |
| 616 | unsigned char rtnh_flags; | |
| 617 | unsigned char rtnh_hops; | |
| 618 | int rtnh_ifindex; | |
| 619 | }; | |
| 620 | """ | |
| 621 | ||
| 622 | def __init__(self, atype, string, family, logger): | |
| 623 | Attribute.__init__(self, atype, string, logger) | |
| 624 | self.family = family | |
| 625 | self.PACK = None | |
| 626 | self.LEN = None | |
| 627 | self.RTNH_PACK = '=HBBL' # rtnh_len, flags, hops, ifindex | |
| 628 | self.RTNH_LEN = calcsize(self.RTNH_PACK) | |
| 629 | self.IPV4_LEN = 4 | |
| 630 | self.IPV6_LEN = 16 | |
| 631 | ||
| 632 | def encode(self): | |
| 633 | ||
| 634 | # Calculate the length | |
| 635 | if self.family == AF_INET: | |
| 636 | ip_len = self.IPV4_LEN | |
| 637 | elif self.family == AF_INET6: | |
| 638 | ip_len = self.IPV6_LEN | |
| 639 | ||
| 640 | # Attribute header | |
| 641 | length = self.HEADER_LEN + ((self.RTNH_LEN + self.HEADER_LEN + ip_len) * len(self.value)) | |
| 642 | raw = pack(self.HEADER_PACK, length, self.atype) | |
| 643 | ||
| 644 | rtnh_flags = 0 | |
| 645 | rtnh_hops = 0 | |
| 646 | rtnh_len = self.RTNH_LEN + self.HEADER_LEN + ip_len | |
| 647 | ||
| 648 | for (nexthop, rtnh_ifindex) in self.value: | |
| 649 | ||
| 650 | # rtnh structure | |
| 651 | raw += pack(self.RTNH_PACK, rtnh_len, rtnh_flags, rtnh_hops, rtnh_ifindex) | |
| 652 | ||
| 653 | # Gateway | |
| 654 | raw += pack(self.HEADER_PACK, self.HEADER_LEN + ip_len, Route.RTA_GATEWAY) | |
| 655 | ||
| 656 | if self.family == AF_INET: | |
| 657 | raw += pack('>L', nexthop) | |
| 658 | elif self.family == AF_INET6: | |
| 659 | raw += pack('>QQ', nexthop >> 64, nexthop & 0x0000000000000000FFFFFFFFFFFFFFFF) | |
| 660 | ||
| 661 | raw = self.pad(length, raw) | |
| 662 | return raw | |
| 663 | ||
| 664 | def decode(self, parent_msg, data): | |
| 665 | self.decode_length_type(data) | |
| 666 | self.value = [] | |
| 667 | ||
| 668 | data = self.data[4:] | |
| 669 | ||
| 670 | while data: | |
| 671 | (rtnh_len, rtnh_flags, rtnh_hops, rtnh_ifindex) = unpack(self.RTNH_PACK, data[:self.RTNH_LEN]) | |
| 672 | data = data[self.RTNH_LEN:] | |
| 673 | ||
| 674 | (attr_type, attr_length) = unpack(self.HEADER_PACK, self.data[:self.HEADER_LEN]) | |
| 675 | data = data[self.HEADER_LEN:] | |
| 676 | ||
| 677 | if self.family == AF_INET: | |
| 678 | nexthop = IPv4Address(unpack('>L', data[:self.IPV4_LEN])[0]) | |
| 679 | self.value.append((nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops)) | |
| 680 | data = data[self.IPV4_LEN:] | |
| 681 | ||
| 682 | elif self.family == AF_INET6: | |
| 683 | (data1, data2) = unpack('>QQ', data[:self.IPV6_LEN]) | |
| 684 | nexthop = IPv6Address(data1 << 64 | data2) | |
| 685 | self.value.append((nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops)) | |
| 686 | data = data[self.IPV6_LEN:] | |
| 687 | ||
| 688 | self.value = tuple(self.value) | |
| 689 | ||
| 690 | ||
| 691 | class AttributeIFLA_LINKINFO(Attribute): | |
| 692 | """ | |
| 693 | value is a dictionary such as: | |
| 694 | ||
| 695 | { | |
| 696 | Link.IFLA_INFO_KIND : 'vlan', | |
| 697 | Link.IFLA_INFO_DATA : { | |
| 698 | Link.IFLA_VLAN_ID : vlanid, | |
| 699 | } | |
| 700 | } | |
| 701 | """ | |
| 702 | def encode(self): | |
| 703 | pack_layout = [self.HEADER_PACK] | |
| 704 | payload = [0, self.atype] | |
| 705 | attr_length_index = 0 | |
| 706 | ||
| 707 | kind = self.value[Link.IFLA_INFO_KIND] | |
| 708 | ||
| 709 | if kind not in ('vlan', 'macvlan'): | |
| 710 | raise Exception('Unsupported IFLA_INFO_KIND %s' % kind) | |
| 711 | ||
| 712 | # For now this assumes that all data will be packed in the native endian | |
| 713 | # order (=). If a field is added that needs to be packed via network | |
| 714 | # order (>) then some smarts will need to be added to split the pack_layout | |
| 715 | # string at the >, split the payload and make the needed pack() calls. | |
| 716 | # | |
| 717 | # Until we cross that bridge though we will keep things nice and simple and | |
| 718 | # pack everything via a single pack() call. | |
| 719 | for (sub_attr_type, sub_attr_value) in self.value.iteritems(): | |
| 720 | sub_attr_pack_layout = ['=', 'HH'] | |
| 721 | sub_attr_payload = [0, sub_attr_type] | |
| 722 | sub_attr_length_index = 0 | |
| 723 | ||
| 724 | if sub_attr_type == Link.IFLA_INFO_KIND: | |
| 725 | sub_attr_pack_layout.append('%ds' % len(sub_attr_value)) | |
| 726 | sub_attr_payload.append(sub_attr_value) | |
| 727 | ||
| 728 | elif sub_attr_type == Link.IFLA_INFO_DATA: | |
| 729 | ||
| 730 | for (info_data_type, info_data_value) in sub_attr_value.iteritems(): | |
| 731 | ||
| 732 | if kind == 'vlan': | |
| 733 | if info_data_type == Link.IFLA_VLAN_ID: | |
| 734 | sub_attr_pack_layout.append('HH') | |
| 735 | sub_attr_payload.append(6) # length | |
| 736 | sub_attr_payload.append(info_data_type) | |
| 737 | ||
| 738 | # The vlan-id | |
| 739 | sub_attr_pack_layout.append('H') | |
| 740 | sub_attr_payload.append(info_data_value) | |
| 741 | ||
| 742 | # pad 2 bytes | |
| 743 | sub_attr_pack_layout.extend('xx') | |
| 744 | ||
| 745 | else: | |
| 746 | self.log.debug('Add support for encoding IFLA_INFO_DATA vlan sub-attribute type %d' % info_data_type) | |
| 747 | ||
| 748 | elif kind == 'macvlan': | |
| 749 | if info_data_type == Link.IFLA_MACVLAN_MODE: | |
| 750 | sub_attr_pack_layout.append('HH') | |
| 751 | sub_attr_payload.append(8) # length | |
| 752 | sub_attr_payload.append(info_data_type) | |
| 753 | ||
| 754 | # macvlan mode | |
| 755 | sub_attr_pack_layout.append('L') | |
| 756 | sub_attr_payload.append(info_data_value) | |
| 757 | ||
| 758 | else: | |
| 759 | self.log.debug('Add support for encoding IFLA_INFO_DATA macvlan sub-attribute type %d' % info_data_type) | |
| 760 | ||
| 761 | else: | |
| 762 | self.log.debug('Add support for encoding IFLA_LINKINFO sub-attribute type %d' % sub_attr_type) | |
| 763 | continue | |
| 764 | ||
| 765 | sub_attr_length = calcsize(''.join(sub_attr_pack_layout)) | |
| 766 | sub_attr_payload[sub_attr_length_index] = sub_attr_length | |
| 767 | ||
| 768 | # add padding | |
| 769 | for x in xrange(self.pad_bytes_needed(sub_attr_length)): | |
| 770 | sub_attr_pack_layout.append('x') | |
| 771 | ||
| 772 | # The [1:] is to remove the leading = so that when we do the ''.join() later | |
| 773 | # we do not end up with an = in the middle of the pack layout string. There | |
| 774 | # will be an = at the beginning via self.HEADER_PACK | |
| 775 | sub_attr_pack_layout = sub_attr_pack_layout[1:] | |
| 776 | ||
| 777 | # Now extend the ovarall attribute pack_layout/payload to include this sub-attribute | |
| 778 | pack_layout.extend(sub_attr_pack_layout) | |
| 779 | payload.extend(sub_attr_payload) | |
| 780 | ||
| 781 | pack_layout = ''.join(pack_layout) | |
| 782 | ||
| 783 | # Fill in the length field | |
| 784 | length = calcsize(pack_layout) | |
| 785 | payload[attr_length_index] = length | |
| 786 | ||
| 787 | raw = pack(pack_layout, *payload) | |
| 788 | raw = self.pad(length, raw) | |
| 789 | return raw | |
| 790 | ||
| 791 | def decode(self, parent_msg, data): | |
| 792 | """ | |
| 793 | value is a dictionary such as: | |
| 794 | ||
| 795 | { | |
| 796 | Link.IFLA_INFO_KIND : 'vlan', | |
| 797 | Link.IFLA_INFO_DATA : { | |
| 798 | Link.IFLA_VLAN_ID : vlanid, | |
| 799 | } | |
| 800 | } | |
| 801 | """ | |
| 802 | self.decode_length_type(data) | |
| 803 | self.value = {} | |
| 804 | ||
| 805 | data = self.data[4:] | |
| 806 | ||
| 807 | # IFLA_MACVLAN_MODE and IFLA_VLAN_ID both have a value of 1 and both are | |
| 808 | # valid IFLA_INFO_DATA entries :( The sender must TX IFLA_INFO_KIND | |
| 809 | # first in order for us to know if "1" is IFLA_MACVLAN_MODE vs IFLA_VLAN_ID. | |
| 810 | while data: | |
| 811 | (sub_attr_length, sub_attr_type) = unpack('=HH', data[:4]) | |
| 812 | sub_attr_end = padded_length(sub_attr_length) | |
| 813 | ||
| 814 | if not sub_attr_length: | |
| 815 | self.log.error('parsed a zero length sub-attr') | |
| 816 | return | |
| 817 | ||
| 818 | if sub_attr_type == Link.IFLA_INFO_KIND: | |
| 819 | self.value[Link.IFLA_INFO_KIND] = remove_trailing_null(unpack('%ds' % (sub_attr_length - 4), data[4:sub_attr_length])[0]) | |
| 820 | ||
| 821 | elif sub_attr_type == Link.IFLA_INFO_DATA: | |
| 822 | ||
| 823 | sub_attr_data = data[4:sub_attr_end] | |
| 824 | self.value[Link.IFLA_INFO_DATA] = {} | |
| 825 | ||
| 826 | while sub_attr_data: | |
| 827 | (info_data_length, info_data_type) = unpack('=HH', sub_attr_data[:4]) | |
| 828 | info_data_end = padded_length(info_data_length) | |
| 829 | # self.log.info('sub attr length %d, end %d, type %d' % (info_data_length, info_data_end, info_data_type)) | |
| 830 | ||
| 831 | if not sub_attr_data: | |
| 832 | self.log.error('RXed zero length sub-attribute') | |
| 833 | break | |
| 834 | ||
| 835 | if Link.IFLA_INFO_KIND not in self.value: | |
| 836 | self.log.warning('IFLA_INFO_KIND is not known...we cannot parse IFLA_INFO_DATA') | |
| 837 | ||
| 838 | elif self.value[Link.IFLA_INFO_KIND] == 'vlan': | |
| 839 | if info_data_type == Link.IFLA_VLAN_ID: | |
| 840 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=H', sub_attr_data[4:6])[0] | |
| 841 | else: | |
| 842 | self.log.debug('Add support for decoding IFLA_INFO_KIND vlan type %s (%d), length %d, padded to %d' % | |
| 843 | (parent_msg.get_ifla_vlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
| 844 | ||
| 845 | elif self.value[Link.IFLA_INFO_KIND] == 'macvlan': | |
| 846 | if info_data_type == Link.IFLA_MACVLAN_MODE: | |
| 847 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
| 848 | else: | |
| 849 | self.log.debug('Add support for decoding IFLA_INFO_KIND macvlan type %s (%d), length %d, padded to %d' % | |
| 850 | (parent_msg.get_ifla_macvlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
| 851 | ||
| 852 | elif self.value[Link.IFLA_INFO_KIND] == 'vxlan': | |
| 853 | ||
| 854 | # IPv4Address | |
| 855 | if info_data_type in (Link.IFLA_VXLAN_GROUP, | |
| 856 | Link.IFLA_VXLAN_LOCAL): | |
| 857 | self.value[Link.IFLA_INFO_DATA][info_data_type] = IPv4Address(unpack('>L', sub_attr_data[4:8])[0]) | |
| 858 | ||
| 859 | # 4-byte int | |
| 860 | elif info_data_type in (Link.IFLA_VXLAN_ID, | |
| 861 | Link.IFLA_VXLAN_LINK, | |
| 862 | Link.IFLA_VXLAN_AGEING, | |
| 863 | Link.IFLA_VXLAN_LIMIT, | |
| 864 | Link.IFLA_VXLAN_PORT_RANGE): | |
| 865 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
| 866 | ||
| 867 | # 2-byte int | |
| 868 | elif info_data_type in (Link.IFLA_VXLAN_PORT, ): | |
| 869 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=H', sub_attr_data[4:6])[0] | |
| 870 | ||
| 871 | # 1-byte int | |
| 872 | elif info_data_type in (Link.IFLA_VXLAN_TTL, | |
| 873 | Link.IFLA_VXLAN_TOS, | |
| 874 | Link.IFLA_VXLAN_LEARNING, | |
| 875 | Link.IFLA_VXLAN_PROXY, | |
| 876 | Link.IFLA_VXLAN_RSC, | |
| 877 | Link.IFLA_VXLAN_L2MISS, | |
| 878 | Link.IFLA_VXLAN_L3MISS, | |
| 879 | Link.IFLA_VXLAN_UDP_CSUM, | |
| 880 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_TX, | |
| 881 | Link.IFLA_VXLAN_UDP_ZERO_CSUM6_RX, | |
| 882 | Link.IFLA_VXLAN_REMCSUM_TX, | |
| 883 | Link.IFLA_VXLAN_REMCSUM_RX, | |
| 884 | Link.IFLA_VXLAN_REPLICATION_TYPE): | |
| 885 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=B', sub_attr_data[4])[0] | |
| 886 | ||
| 887 | else: | |
| 888 | # sub_attr_end = padded_length(sub_attr_length) | |
| 889 | self.log.debug('Add support for decoding IFLA_INFO_KIND vxlan type %s (%d), length %d, padded to %d' % | |
| 890 | (parent_msg.get_ifla_vxlan_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
| 891 | ||
| 892 | elif self.value[Link.IFLA_INFO_KIND] == 'bond': | |
| 893 | self.log.debug('Add support for decoding IFLA_INFO_KIND bond type %s (%d), length %d, padded to %d' % | |
| 894 | (parent_msg.get_ifla_bond_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
| 895 | ||
| 896 | elif self.value[Link.IFLA_INFO_KIND] == 'bridge': | |
| 897 | ||
| 898 | if info_data_type in (Link.IFLA_BRPORT_STATE, | |
| 899 | Link.IFLA_BRPORT_PRIORITY, | |
| 900 | Link.IFLA_BRPORT_COST): | |
| 901 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=L', sub_attr_data[4:8])[0] | |
| 902 | ||
| 903 | elif info_data_type in (Link.IFLA_BRPORT_FAST_LEAVE, ): | |
| 904 | self.value[Link.IFLA_INFO_DATA][info_data_type] = unpack('=B', sub_attr_data[4])[0] | |
| 905 | ||
| 906 | else: | |
| 907 | self.log.debug('Add support for decoding IFLA_INFO_KIND bridge type %s (%d), length %d, padded to %d' % | |
| 908 | (parent_msg.get_ifla_bridge_string(info_data_type), info_data_type, info_data_length, info_data_end)) | |
| 909 | ||
| 910 | else: | |
| 911 | self.log.debug("Add support for decoding IFLA_INFO_KIND %s (%d), length %d, padded to %d" % | |
| 912 | (self.value[Link.IFLA_INFO_KIND], info_data_type, info_data_length, info_data_end)) | |
| 913 | ||
| 914 | sub_attr_data = sub_attr_data[info_data_end:] | |
| 915 | ||
| 916 | elif sub_attr_type == Link.IFLA_INFO_SLAVE_KIND: | |
| 917 | self.value[Link.IFLA_INFO_SLAVE_KIND] = remove_trailing_null(unpack('%ds' % (sub_attr_length - 4), data[4:sub_attr_length])[0]) | |
| 918 | ||
| 919 | else: | |
| 920 | self.log.debug('Add support for decoding IFLA_LINKINFO sub-attribute type %s (%d), length %d, padded to %d' % | |
| 921 | (parent_msg.get_ifla_info_string(sub_attr_type), sub_attr_type, sub_attr_length, sub_attr_end)) | |
| 922 | ||
| 923 | data = data[sub_attr_end:] | |
| 924 | ||
| 925 | # self.log.info('IFLA_LINKINFO values %s' % pformat(self.value)) | |
| 926 | ||
| 927 | def dump_lines(self, dump_buffer, line_number, color): | |
| 928 | line_number = self.dump_first_line(dump_buffer, line_number, color) | |
| 929 | extra = '' | |
| 930 | ||
| 931 | next_sub_attr_line = 0 | |
| 932 | sub_attr_line = True | |
| 933 | ||
| 934 | for x in xrange(1, self.attr_end/4): | |
| 935 | start = x * 4 | |
| 936 | end = start + 4 | |
| 937 | ||
| 938 | if line_number == next_sub_attr_line: | |
| 939 | sub_attr_line = True | |
| 940 | ||
| 941 | if sub_attr_line: | |
| 942 | sub_attr_line = False | |
| 943 | ||
| 944 | (sub_attr_length, sub_attr_type) = unpack('=HH', self.data[start:start+4]) | |
| 945 | sub_attr_end = padded_length(sub_attr_length) | |
| 946 | ||
| 947 | next_sub_attr_line = line_number + (sub_attr_end/4) | |
| 948 | ||
| 949 | if sub_attr_end == sub_attr_length: | |
| 950 | padded_to = ', ' | |
| 951 | else: | |
| 952 | padded_to = ' padded to %d, ' % sub_attr_end | |
| 953 | ||
| 954 | extra = 'Nested Attribute - Length %s (%d)%s Type %s (%d) %s' % \ | |
| 955 | (zfilled_hex(sub_attr_length, 4), sub_attr_length, | |
| 956 | padded_to, | |
| 957 | zfilled_hex(sub_attr_type, 4), sub_attr_type, | |
| 958 | Link.ifla_info_to_string.get(sub_attr_type)) | |
| 959 | else: | |
| 960 | extra = '' | |
| 961 | ||
| 962 | dump_buffer.append(data_to_color_text(line_number, color, self.data[start:end], extra)) | |
| 963 | line_number += 1 | |
| 964 | ||
| 965 | return line_number | |
| 966 | ||
| 967 | def get_pretty_value(self): | |
| 968 | value_pretty = self.value | |
| 969 | ifla_info_kind = self.value.get(Link.IFLA_INFO_KIND) | |
| 970 | ||
| 971 | # We do this so we can print a more human readable dictionary | |
| 972 | # with the names of the nested keys instead of their numbers | |
| 973 | ||
| 974 | # Most of these are placeholders...we need to add support | |
| 975 | # for more human readable dictionaries for bond, bridge, etc | |
| 976 | if ifla_info_kind == 'bond': | |
| 977 | pass | |
| 978 | ||
| 979 | elif ifla_info_kind == 'bridge': | |
| 980 | pass | |
| 981 | ||
| 982 | elif ifla_info_kind == 'macvlan': | |
| 983 | pass | |
| 984 | ||
| 985 | elif ifla_info_kind == 'vlan': | |
| 986 | pass | |
| 987 | ||
| 988 | elif ifla_info_kind == 'vxlan': | |
| 989 | value_pretty = {} | |
| 990 | ||
| 991 | for (sub_key, sub_value) in self.value.iteritems(): | |
| 992 | sub_key_pretty = "(%2d) % s" % (sub_key, Link.ifla_info_to_string[sub_key]) | |
| 993 | sub_value_pretty = sub_value | |
| 994 | ||
| 995 | if sub_key == Link.IFLA_INFO_DATA: | |
| 996 | sub_value_pretty = {} | |
| 997 | ||
| 998 | for (sub_sub_key, sub_sub_value) in sub_value.iteritems(): | |
| 999 | sub_sub_key_pretty = "(%2d) %s" % (sub_sub_key, Link.ifla_vxlan_to_string[sub_sub_key]) | |
| 1000 | sub_value_pretty[sub_sub_key_pretty] = sub_sub_value | |
| 1001 | ||
| 1002 | value_pretty[sub_key_pretty] = sub_value_pretty | |
| 1003 | ||
| 1004 | return value_pretty | |
| 1005 | ||
| 1006 | ||
| 1007 | class NetlinkPacket(object): | |
| 1008 | """ | |
| 1009 | Netlink Header | |
| 1010 | ||
| 1011 | 0 1 2 3 | |
| 1012 | 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 | |
| 1013 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1014 | | Length | | |
| 1015 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1016 | | Type | Flags | | |
| 1017 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1018 | | Sequence Number | | |
| 1019 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1020 | | Process ID (PID) | | |
| 1021 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1022 | """ | |
| 1023 | ||
| 1024 | header_PACK = 'IHHII' | |
| 1025 | header_LEN = calcsize(header_PACK) | |
| 1026 | ||
| 1027 | # Netlink packet types | |
| 1028 | # /usr/include/linux/rtnetlink.h | |
| 1029 | type_to_string = { | |
| 1030 | NLMSG_NOOP : 'NLMSG_NOOP', | |
| 1031 | NLMSG_ERROR : 'NLMSG_ERROR', | |
| 1032 | NLMSG_DONE : 'NLMSG_DONE', | |
| 1033 | NLMSG_OVERRUN : 'NLMSG_OVERRUN', | |
| 1034 | RTM_NEWLINK : 'RTM_NEWLINK', | |
| 1035 | RTM_DELLINK : 'RTM_DELLINK', | |
| 1036 | RTM_GETLINK : 'RTM_GETLINK', | |
| 1037 | RTM_SETLINK : 'RTM_SETLINK', | |
| 1038 | RTM_NEWADDR : 'RTM_NEWADDR', | |
| 1039 | RTM_DELADDR : 'RTM_DELADDR', | |
| 1040 | RTM_GETADDR : 'RTM_GETADDR', | |
| 1041 | RTM_NEWNEIGH : 'RTM_NEWNEIGH', | |
| 1042 | RTM_DELNEIGH : 'RTM_DELNEIGH', | |
| 1043 | RTM_GETNEIGH : 'RTM_GETNEIGH', | |
| 1044 | RTM_NEWROUTE : 'RTM_NEWROUTE', | |
| 1045 | RTM_DELROUTE : 'RTM_DELROUTE', | |
| 1046 | RTM_GETROUTE : 'RTM_GETROUTE', | |
| 1047 | RTM_NEWQDISC : 'RTM_NEWQDISC', | |
| 1048 | RTM_DELQDISC : 'RTM_DELQDISC', | |
| 1049 | RTM_GETQDISC : 'RTM_GETQDISC' | |
| 1050 | } | |
| 1051 | ||
| 1052 | def __init__(self, msgtype, debug, owner_logger=None): | |
| 1053 | self.msgtype = msgtype | |
| 1054 | self.attributes = {} | |
| 1055 | self.dump_buffer = [''] | |
| 1056 | self.line_number = 1 | |
| 1057 | self.debug = debug | |
| 1058 | self.message = None | |
| 1059 | ||
| 1060 | if owner_logger: | |
| 1061 | self.log = owner_logger | |
| 1062 | else: | |
| 1063 | self.log = log | |
| 1064 | ||
| 1065 | def __str__(self): | |
| 1066 | return self.get_type_string() | |
| 1067 | ||
| 1068 | def get_string(self, to_string, index): | |
| 1069 | """ | |
| 1070 | Used to do lookups in all of the various FOO_to_string dictionaries | |
| 1071 | but returns 'UNKNOWN' if the key is bogus | |
| 1072 | """ | |
| 1073 | if index in to_string: | |
| 1074 | return to_string[index] | |
| 1075 | return 'UNKNOWN' | |
| 1076 | ||
| 1077 | def get_type_string(self, msgtype=None): | |
| 1078 | if not msgtype: | |
| 1079 | msgtype = self.msgtype | |
| 1080 | return self.get_string(self.type_to_string, msgtype) | |
| 1081 | ||
| 1082 | def get_flags_string(self): | |
| 1083 | foo = [] | |
| 1084 | ||
| 1085 | for (flag, flag_string) in self.flag_to_string.iteritems(): | |
| 1086 | if self.flags & flag: | |
| 1087 | foo.append(flag_string) | |
| 1088 | ||
| 1089 | return ', '.join(foo) | |
| 1090 | ||
| 1091 | def decode_packet(self, length, flags, seq, pid, data): | |
| 1092 | self.length = length | |
| 1093 | self.flags = flags | |
| 1094 | self.seq = seq | |
| 1095 | self.pid = pid | |
| 1096 | self.header_data = data[0:self.header_LEN] | |
| 1097 | self.msg_data = data[self.header_LEN:length] | |
| 1098 | ||
| 1099 | self.decode_netlink_header() | |
| 1100 | self.decode_service_header() | |
| 1101 | ||
| 1102 | # NLMSG_ERROR is special case, it does not have attributes to decode | |
| 1103 | if self.msgtype != NLMSG_ERROR: | |
| 1104 | self.decode_attributes() | |
| 1105 | ||
| 1106 | def get_netlink_header_flags_string(self, msg_type, flags): | |
| 1107 | foo = [] | |
| 1108 | ||
| 1109 | if flags & NLM_F_REQUEST: | |
| 1110 | foo.append('NLM_F_REQUEST') | |
| 1111 | ||
| 1112 | if flags & NLM_F_MULTI: | |
| 1113 | foo.append('NLM_F_MULTI') | |
| 1114 | ||
| 1115 | if flags & NLM_F_ACK: | |
| 1116 | foo.append('NLM_F_ACK') | |
| 1117 | ||
| 1118 | if flags & NLM_F_ECHO: | |
| 1119 | foo.append('NLM_F_ECHO') | |
| 1120 | ||
| 1121 | # Modifiers to GET query | |
| 1122 | if msg_type in (RTM_GETLINK, RTM_GETADDR, RTM_GETNEIGH, RTM_GETROUTE, RTM_GETQDISC): | |
| 1123 | if flags & NLM_F_ROOT: | |
| 1124 | foo.append('NLM_F_ROOT') | |
| 1125 | ||
| 1126 | if flags & NLM_F_MATCH: | |
| 1127 | foo.append('NLM_F_MATCH') | |
| 1128 | ||
| 1129 | if flags & NLM_F_DUMP: | |
| 1130 | foo.append('NLM_F_DUMP') | |
| 1131 | ||
| 1132 | if flags & NLM_F_ATOMIC: | |
| 1133 | foo.append('NLM_F_ATOMIC') | |
| 1134 | ||
| 1135 | # Modifiers to NEW query | |
| 1136 | elif msg_type in (RTM_NEWLINK, RTM_NEWADDR, RTM_NEWNEIGH, RTM_NEWROUTE, RTM_NEWQDISC): | |
| 1137 | if flags & NLM_F_REPLACE: | |
| 1138 | foo.append('NLM_F_REPLACE') | |
| 1139 | ||
| 1140 | if flags & NLM_F_EXCL: | |
| 1141 | foo.append('NLM_F_EXCL') | |
| 1142 | ||
| 1143 | if flags & NLM_F_CREATE: | |
| 1144 | foo.append('NLM_F_CREATE') | |
| 1145 | ||
| 1146 | if flags & NLM_F_APPEND: | |
| 1147 | foo.append('NLM_F_APPEND') | |
| 1148 | ||
| 1149 | return ', '.join(foo) | |
| 1150 | ||
| 1151 | # When we first RXed the netlink message we had to decode the header to | |
| 1152 | # determine what type of netlink message we were dealing with. So the | |
| 1153 | # header has actually already been decoded...what we do here is | |
| 1154 | # populate the dump_buffer lines with the header content. | |
| 1155 | def decode_netlink_header(self): | |
| 1156 | ||
| 1157 | if not self.debug: | |
| 1158 | return | |
| 1159 | ||
| 1160 | header_data = self.header_data | |
| 1161 | ||
| 1162 | # Print the netlink header in red | |
| 1163 | color = red | |
| 1164 | netlink_header_length = 16 | |
| 1165 | self.dump_buffer.append(" \033[%dmNetlink Header\033[0m" % color) | |
| 1166 | ||
| 1167 | for x in range(0, netlink_header_length/4): | |
| 1168 | start = x * 4 | |
| 1169 | end = start + 4 | |
| 1170 | ||
| 1171 | if self.line_number == 1: | |
| 1172 | data = unpack('=L', header_data[start:end])[0] | |
| 1173 | extra = "Length %s (%d)" % (zfilled_hex(data, 8), data) | |
| 1174 | ||
| 1175 | elif self.line_number == 2: | |
| 1176 | (data1, data2) = unpack('HH', header_data[start:end]) | |
| 1177 | extra = "Type %s (%d - %s), Flags %s (%s)" % \ | |
| 1178 | (zfilled_hex(data1, 4), data1, self.get_type_string(data1), | |
| 1179 | zfilled_hex(data2, 4), self.get_netlink_header_flags_string(data1, data2)) | |
| 1180 | ||
| 1181 | elif self.line_number == 3: | |
| 1182 | data = unpack('=L', header_data[start:end])[0] | |
| 1183 | extra = "Sequence Number %s (%d)" % (zfilled_hex(data, 8), data) | |
| 1184 | ||
| 1185 | elif self.line_number == 4: | |
| 1186 | data = unpack('=L', header_data[start:end])[0] | |
| 1187 | extra = "Process ID %s (%d)" % (zfilled_hex(data, 8), data) | |
| 1188 | else: | |
| 1189 | extra = "Unexpected line number %d" % self.line_number | |
| 1190 | ||
| 1191 | self.dump_buffer.append(data_to_color_text(self.line_number, color, header_data[start:end], extra)) | |
| 1192 | self.line_number += 1 | |
| 1193 | ||
| 1194 | def decode_attributes(self): | |
| 1195 | """ | |
| 1196 | Decode the attributes and populate the dump_buffer | |
| 1197 | """ | |
| 1198 | ||
| 1199 | if self.debug: | |
| 1200 | self.dump_buffer.append(" Attributes") | |
| 1201 | color = green | |
| 1202 | ||
| 1203 | data = self.msg_data[self.LEN:] | |
| 1204 | ||
| 1205 | while data: | |
| 1206 | (length, attr_type) = unpack('=HH', data[:4]) | |
| 1207 | ||
| 1208 | # If this is zero we will stay in this loop for forever | |
| 1209 | if not length: | |
| 1210 | self.log.error('Length is zero') | |
| 1211 | return | |
| 1212 | ||
| 1213 | if len(data) < length: | |
| 1214 | self.log.error("Buffer underrun %d < %d" % (len(data), length)) | |
| 1215 | return | |
| 1216 | ||
| 1217 | attr = self.add_attribute(attr_type, None) | |
| 1218 | ||
| 1219 | # Find the end of 'data' for this attribute and decode our section | |
| 1220 | # of 'data'. attributes are padded for alignment thus the attr_end. | |
| 1221 | # | |
| 1222 | # How the attribute is decoded/unpacked is specific per AttributeXXXX class. | |
| 1223 | attr_end = padded_length(length) | |
| 1224 | attr.decode(self, data[0:attr_end]) | |
| 1225 | ||
| 1226 | if self.debug: | |
| 1227 | self.line_number = attr.dump_lines(self.dump_buffer, self.line_number, color) | |
| 1228 | ||
| 1229 | # Alternate back and forth between green and blue | |
| 1230 | if color == green: | |
| 1231 | color = blue | |
| 1232 | else: | |
| 1233 | color = green | |
| 1234 | ||
| 1235 | data = data[attr_end:] | |
| 1236 | ||
| 1237 | def add_attribute(self, attr_type, value): | |
| 1238 | nested = True if attr_type & NLA_F_NESTED else False | |
| 1239 | net_byteorder = True if attr_type & NLA_F_NET_BYTEORDER else False | |
| 1240 | attr_type = attr_type & NLA_TYPE_MASK | |
| 1241 | ||
| 1242 | # Given an attr_type (say RTA_DST) find the type of AttributeXXXX class | |
| 1243 | # that we will use to store this attribute...AttributeIPAddress in the | |
| 1244 | # case of RTA_DST. | |
| 1245 | if attr_type in self.attribute_to_class: | |
| 1246 | (attr_string, attr_class) = self.attribute_to_class[attr_type] | |
| 1247 | else: | |
| 1248 | attr_string = "UNKNOWN_ATTRIBUTE_%d" % attr_type | |
| 1249 | attr_class = AttributeGeneric | |
| 1250 | self.log.debug("Attribute %d is not defined in %s.attribute_to_class, assuming AttributeGeneric" % | |
| 1251 | (attr_type, self.__class__.__name__)) | |
| 1252 | ||
| 1253 | # A few attribute classes must know self.family (family was extracted from | |
| 1254 | # the service header) | |
| 1255 | if attr_class == AttributeIPAddress or attr_class == AttributeRTA_MULTIPATH: | |
| 1256 | attr = attr_class(attr_type, attr_string, self.family, self.log) | |
| 1257 | else: | |
| 1258 | attr = attr_class(attr_type, attr_string, self.log) | |
| 1259 | ||
| 1260 | attr.value = value | |
| 1261 | attr.nested = nested | |
| 1262 | attr.net_byteorder = net_byteorder | |
| 1263 | ||
| 1264 | # self.attributes is a dictionary keyed by the attribute type where | |
| 1265 | # the value is an instance of the corresponding AttributeXXXX class. | |
| 1266 | self.attributes[attr_type] = attr | |
| 1267 | ||
| 1268 | return attr | |
| 1269 | ||
| 1270 | def get_attribute_value(self, attr_type): | |
| 1271 | if attr_type not in self.attributes: | |
| 1272 | return None | |
| 1273 | ||
| 1274 | return self.attributes[attr_type].value | |
| 1275 | ||
| 1276 | def get_attr_string(self, attr_type): | |
| 1277 | """ | |
| 1278 | Example: If attr_type is Address.IFA_CACHEINFO return the string 'IFA_CACHEINFO' | |
| 1279 | """ | |
| 1280 | if attr_type in self.attribute_to_class: | |
| 1281 | (attr_string, attr_class) = self.attribute_to_class[attr_type] | |
| 1282 | return attr_string | |
| 1283 | return str(attr_type) | |
| 1284 | ||
| 1285 | def build_message(self, seq, pid): | |
| 1286 | self.seq = seq | |
| 1287 | self.pid = pid | |
| 1288 | attrs = '' | |
| 1289 | ||
| 1290 | for attr in self.attributes.itervalues(): | |
| 1291 | attrs += attr.encode() | |
| 1292 | ||
| 1293 | self.length = self.header_LEN + len(self.body) + len(attrs) | |
| 1294 | self.header_data = pack(self.header_PACK, self.length, self.msgtype, self.flags, self.seq, self.pid) | |
| 1295 | self.msg_data = self.body + attrs | |
| 1296 | self.message = self.header_data + self.msg_data | |
| 1297 | ||
| 1298 | if self.debug: | |
| 1299 | self.decode_netlink_header() | |
| 1300 | self.decode_service_header() | |
| 1301 | self.decode_attributes() | |
| 1302 | self.dump("TXed %s, length %d, seq %d, pid %d, flags 0x%x (%s)" % | |
| 1303 | (self, self.length, self.seq, self.pid, self.flags, | |
| 1304 | self.get_netlink_header_flags_string(self.msgtype, self.flags))) | |
| 1305 | ||
| 1306 | # Print the netlink message in hex. This is only used for debugging. | |
| 1307 | def dump(self, desc=None): | |
| 1308 | attr_string = {} | |
| 1309 | ||
| 1310 | if desc is None: | |
| 1311 | desc = "RXed %s, length %d, seq %d, pid %d, flags 0x%x" % (self, self.length, self.seq, self.pid, self.flags) | |
| 1312 | ||
| 1313 | for (attr_type, attr_obj) in self.attributes.iteritems(): | |
| 1314 | key_string = "(%2d) %s" % (attr_type, self.get_attr_string(attr_type)) | |
| 1315 | attr_string[key_string] = attr_obj.get_pretty_value() | |
| 1316 | ||
| 1317 | self.log.debug("%s\n%s\n\nAttributes Summary\n%s\n" % | |
| 1318 | (desc, '\n'.join(self.dump_buffer), pformat(attr_string))) | |
| 1319 | ||
| 1320 | ||
| 1321 | class Address(NetlinkPacket): | |
| 1322 | """ | |
| 1323 | Service Header | |
| 1324 | 0 1 2 3 | |
| 1325 | 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 | |
| 1326 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1327 | | Family | Length | Flags | Scope | | |
| 1328 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1329 | | Interface Index | | |
| 1330 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1331 | """ | |
| 1332 | ||
| 1333 | # Address attributes | |
| 1334 | # /usr/include/linux/if_addr.h | |
| 1335 | IFA_UNSPEC = 0x00 | |
| 1336 | IFA_ADDRESS = 0x01 | |
| 1337 | IFA_LOCAL = 0x02 | |
| 1338 | IFA_LABEL = 0x03 | |
| 1339 | IFA_BROADCAST = 0x04 | |
| 1340 | IFA_ANYCAST = 0x05 | |
| 1341 | IFA_CACHEINFO = 0x06 | |
| 1342 | IFA_MULTICAST = 0x07 | |
| 1343 | IFA_FLAGS = 0x08 | |
| 1344 | ||
| 1345 | attribute_to_class = { | |
| 1346 | IFA_UNSPEC : ('IFA_UNSPEC', AttributeGeneric), | |
| 1347 | IFA_ADDRESS : ('IFA_ADDRESS', AttributeIPAddress), | |
| 1348 | IFA_LOCAL : ('IFA_LOCAL', AttributeIPAddress), | |
| 1349 | IFA_LABEL : ('IFA_LABEL', AttributeString), | |
| 1350 | IFA_BROADCAST : ('IFA_BROADCAST', AttributeIPAddress), | |
| 1351 | IFA_ANYCAST : ('IFA_ANYCAST', AttributeIPAddress), | |
| 1352 | IFA_CACHEINFO : ('IFA_CACHEINFO', AttributeGeneric), | |
| 1353 | IFA_MULTICAST : ('IFA_MULTICAST', AttributeIPAddress), | |
| 1354 | IFA_FLAGS : ('IFA_FLAGS', AttributeGeneric) | |
| 1355 | } | |
| 1356 | ||
| 1357 | # Address flags | |
| 1358 | # /usr/include/linux/if_addr.h | |
| 1359 | IFA_F_SECONDARY = 0x01 | |
| 1360 | IFA_F_NODAD = 0x02 | |
| 1361 | IFA_F_OPTIMISTIC = 0x04 | |
| 1362 | IFA_F_DADFAILED = 0x08 | |
| 1363 | IFA_F_HOMEADDRESS = 0x10 | |
| 1364 | IFA_F_DEPRECATED = 0x20 | |
| 1365 | IFA_F_TENTATIVE = 0x40 | |
| 1366 | IFA_F_PERMANENT = 0x80 | |
| 1367 | ||
| 1368 | flag_to_string = { | |
| 1369 | IFA_F_SECONDARY : 'IFA_F_SECONDARY', | |
| 1370 | IFA_F_NODAD : 'IFA_F_NODAD', | |
| 1371 | IFA_F_OPTIMISTIC : 'IFA_F_OPTIMISTIC', | |
| 1372 | IFA_F_DADFAILED : 'IFA_F_DADFAILED', | |
| 1373 | IFA_F_HOMEADDRESS : 'IFA_F_HOMEADDRESS', | |
| 1374 | IFA_F_DEPRECATED : 'IFA_F_DEPRECATED', | |
| 1375 | IFA_F_TENTATIVE : 'IFA_F_TENTATIVE', | |
| 1376 | IFA_F_PERMANENT : 'IFA_F_PERMANENT' | |
| 1377 | } | |
| 1378 | ||
| 1379 | def __init__(self, msgtype, debug=False, logger=None): | |
| 1380 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
| 1381 | self.PACK = '4Bi' | |
| 1382 | self.LEN = calcsize(self.PACK) | |
| 1383 | ||
| 1384 | def decode_service_header(self): | |
| 1385 | ||
| 1386 | # Nothing to do if the message did not contain a service header | |
| 1387 | if self.length == self.header_LEN: | |
| 1388 | return | |
| 1389 | ||
| 1390 | (self.family, self.prefixlen, self.flags, self.scope, | |
| 1391 | self.ifindex) = \ | |
| 1392 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
| 1393 | ||
| 1394 | if self.debug: | |
| 1395 | color = yellow | |
| 1396 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
| 1397 | ||
| 1398 | for x in range(0, self.LEN/4): | |
| 1399 | if self.line_number == 5: | |
| 1400 | extra = "Family %s (%d), Length %s (%d), Flags %s, Scope %s (%d)" % \ | |
| 1401 | (zfilled_hex(self.family, 2), self.family, | |
| 1402 | zfilled_hex(self.prefixlen, 2), self.prefixlen, | |
| 1403 | zfilled_hex(self.flags, 2), | |
| 1404 | zfilled_hex(self.scope, 2), self.scope) | |
| 1405 | elif self.line_number == 6: | |
| 1406 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
| 1407 | else: | |
| 1408 | extra = "Unexpected line number %d" % self.line_number | |
| 1409 | ||
| 1410 | start = x * 4 | |
| 1411 | end = start + 4 | |
| 1412 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
| 1413 | self.line_number += 1 | |
| 1414 | ||
| 1415 | ||
| 1416 | class Error(NetlinkPacket): | |
| 1417 | ||
| 1418 | # Error codes | |
| 1419 | # /include/netlink/errno.h | |
| 1420 | NLE_SUCCESS = 0x00 | |
| 1421 | NLE_FAILURE = 0x01 | |
| 1422 | NLE_INTR = 0x02 | |
| 1423 | NLE_BAD_SOCK = 0x03 | |
| 1424 | NLE_AGAIN = 0x04 | |
| 1425 | NLE_NOMEM = 0x05 | |
| 1426 | NLE_EXIST = 0x06 | |
| 1427 | NLE_INVAL = 0x07 | |
| 1428 | NLE_RANGE = 0x08 | |
| 1429 | NLE_MSGSIZE = 0x09 | |
| 1430 | NLE_OPNOTSUPP = 0x0A | |
| 1431 | NLE_AF_NOSUPPORT = 0x0B | |
| 1432 | NLE_OBJ_NOTFOUND = 0x0C | |
| 1433 | NLE_NOATTR = 0x0D | |
| 1434 | NLE_MISSING_ATTR = 0x0E | |
| 1435 | NLE_AF_MISMATCH = 0x0F | |
| 1436 | NLE_SEQ_MISMATCH = 0x10 | |
| 1437 | NLE_MSG_OVERFLOW = 0x11 | |
| 1438 | NLE_MSG_TRUNC = 0x12 | |
| 1439 | NLE_NOADDR = 0x13 | |
| 1440 | NLE_SRCRT_NOSUPPORT = 0x14 | |
| 1441 | NLE_MSG_TOOSHORT = 0x15 | |
| 1442 | NLE_MSGTYPE_NOSUPPORT = 0x16 | |
| 1443 | NLE_OBJ_MISMATCH = 0x17 | |
| 1444 | NLE_NOCACHE = 0x18 | |
| 1445 | NLE_BUSY = 0x19 | |
| 1446 | NLE_PROTO_MISMATCH = 0x1A | |
| 1447 | NLE_NOACCESS = 0x1B | |
| 1448 | NLE_PERM = 0x1C | |
| 1449 | NLE_PKTLOC_FILE = 0x1D | |
| 1450 | NLE_PARSE_ERR = 0x1E | |
| 1451 | NLE_NODEV = 0x1F | |
| 1452 | NLE_IMMUTABLE = 0x20 | |
| 1453 | NLE_DUMP_INTR = 0x21 | |
| 1454 | ||
| 1455 | error_to_string = { | |
| 1456 | NLE_SUCCESS : 'NLE_SUCCESS', | |
| 1457 | NLE_FAILURE : 'NLE_FAILURE', | |
| 1458 | NLE_INTR : 'NLE_INTR', | |
| 1459 | NLE_BAD_SOCK : 'NLE_BAD_SOCK', | |
| 1460 | NLE_AGAIN : 'NLE_AGAIN', | |
| 1461 | NLE_NOMEM : 'NLE_NOMEM', | |
| 1462 | NLE_EXIST : 'NLE_EXIST', | |
| 1463 | NLE_INVAL : 'NLE_INVAL', | |
| 1464 | NLE_RANGE : 'NLE_RANGE', | |
| 1465 | NLE_MSGSIZE : 'NLE_MSGSIZE', | |
| 1466 | NLE_OPNOTSUPP : 'NLE_OPNOTSUPP', | |
| 1467 | NLE_AF_NOSUPPORT : 'NLE_AF_NOSUPPORT', | |
| 1468 | NLE_OBJ_NOTFOUND : 'NLE_OBJ_NOTFOUND', | |
| 1469 | NLE_NOATTR : 'NLE_NOATTR', | |
| 1470 | NLE_MISSING_ATTR : 'NLE_MISSING_ATTR', | |
| 1471 | NLE_AF_MISMATCH : 'NLE_AF_MISMATCH', | |
| 1472 | NLE_SEQ_MISMATCH : 'NLE_SEQ_MISMATCH', | |
| 1473 | NLE_MSG_OVERFLOW : 'NLE_MSG_OVERFLOW', | |
| 1474 | NLE_MSG_TRUNC : 'NLE_MSG_TRUNC', | |
| 1475 | NLE_NOADDR : 'NLE_NOADDR', | |
| 1476 | NLE_SRCRT_NOSUPPORT : 'NLE_SRCRT_NOSUPPORT', | |
| 1477 | NLE_MSG_TOOSHORT : 'NLE_MSG_TOOSHORT', | |
| 1478 | NLE_MSGTYPE_NOSUPPORT : 'NLE_MSGTYPE_NOSUPPORT', | |
| 1479 | NLE_OBJ_MISMATCH : 'NLE_OBJ_MISMATCH', | |
| 1480 | NLE_NOCACHE : 'NLE_NOCACHE', | |
| 1481 | NLE_BUSY : 'NLE_BUSY', | |
| 1482 | NLE_PROTO_MISMATCH : 'NLE_PROTO_MISMATCH', | |
| 1483 | NLE_NOACCESS : 'NLE_NOACCESS', | |
| 1484 | NLE_PERM : 'NLE_PERM', | |
| 1485 | NLE_PKTLOC_FILE : 'NLE_PKTLOC_FILE', | |
| 1486 | NLE_PARSE_ERR : 'NLE_PARSE_ERR', | |
| 1487 | NLE_NODEV : 'NLE_NODEV', | |
| 1488 | NLE_IMMUTABLE : 'NLE_IMMUTABLE', | |
| 1489 | NLE_DUMP_INTR : 'NLE_DUMP_INTR' | |
| 1490 | } | |
| 1491 | ||
| 1492 | def __init__(self, msgtype, debug=False, logger=None): | |
| 1493 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
| 1494 | self.PACK = '=iLHHLL' | |
| 1495 | self.LEN = calcsize(self.PACK) | |
| 1496 | ||
| 1497 | def decode_service_header(self): | |
| 1498 | ||
| 1499 | # Nothing to do if the message did not contain a service header | |
| 1500 | if self.length == self.header_LEN: | |
| 1501 | return | |
| 1502 | ||
| 1503 | (self.negative_errno, self.bad_msg_len, self.bad_msg_type, | |
| 1504 | self.bad_msg_flag, self.bad_msg_seq, self.bad_msg_pid) =\ | |
| 1505 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
| 1506 | ||
| 1507 | if self.debug: | |
| 1508 | color = yellow | |
| 1509 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
| 1510 | ||
| 1511 | for x in range(0, self.LEN/4): | |
| 1512 | ||
| 1513 | if self.line_number == 5: | |
| 1514 | extra = "Error Number %s is %s" % (self.negative_errno, self.error_to_string.get(abs(self.negative_errno))) | |
| 1515 | # zfilled_hex(self.negative_errno, 2) | |
| 1516 | ||
| 1517 | elif self.line_number == 6: | |
| 1518 | extra = "Length %s (%d)" % (zfilled_hex(self.bad_msg_len, 8), self.bad_msg_len) | |
| 1519 | ||
| 1520 | elif self.line_number == 7: | |
| 1521 | extra = "Type %s (%d - %s), Flags %s (%s)" % \ | |
| 1522 | (zfilled_hex(self.bad_msg_type, 4), self.bad_msg_type, self.get_type_string(self.bad_msg_type), | |
| 1523 | zfilled_hex(self.bad_msg_flag, 4), self.get_netlink_header_flags_string(self.bad_msg_type, self.bad_msg_flag)) | |
| 1524 | ||
| 1525 | elif self.line_number == 8: | |
| 1526 | extra = "Sequence Number %s (%d)" % (zfilled_hex(self.bad_msg_seq, 8), self.bad_msg_seq) | |
| 1527 | ||
| 1528 | elif self.line_number == 9: | |
| 1529 | extra = "Process ID %s (%d)" % (zfilled_hex(self.bad_msg_pid, 8), self.bad_msg_pid) | |
| 1530 | ||
| 1531 | else: | |
| 1532 | extra = "Unexpected line number %d" % self.line_number | |
| 1533 | ||
| 1534 | start = x * 4 | |
| 1535 | end = start + 4 | |
| 1536 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
| 1537 | self.line_number += 1 | |
| 1538 | ||
| 1539 | ||
| 1540 | class Link(NetlinkPacket): | |
| 1541 | """ | |
| 1542 | Service Header | |
| 1543 | ||
| 1544 | 0 1 2 3 | |
| 1545 | 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 | |
| 1546 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1547 | | Family | Reserved | Device Type | | |
| 1548 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1549 | | Interface Index | | |
| 1550 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1551 | | Device Flags | | |
| 1552 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1553 | | Change Mask | | |
| 1554 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 1555 | """ | |
| 1556 | ||
| 1557 | # Link attributes | |
| 1558 | # /usr/include/linux/if_link.h | |
| 1559 | IFLA_UNSPEC = 0 | |
| 1560 | IFLA_ADDRESS = 1 | |
| 1561 | IFLA_BROADCAST = 2 | |
| 1562 | IFLA_IFNAME = 3 | |
| 1563 | IFLA_MTU = 4 | |
| 1564 | IFLA_LINK = 5 | |
| 1565 | IFLA_QDISC = 6 | |
| 1566 | IFLA_STATS = 7 | |
| 1567 | IFLA_COST = 8 | |
| 1568 | IFLA_PRIORITY = 9 | |
| 1569 | IFLA_MASTER = 10 | |
| 1570 | IFLA_WIRELESS = 11 | |
| 1571 | IFLA_PROTINFO = 12 | |
| 1572 | IFLA_TXQLEN = 13 | |
| 1573 | IFLA_MAP = 14 | |
| 1574 | IFLA_WEIGHT = 15 | |
| 1575 | IFLA_OPERSTATE = 16 | |
| 1576 | IFLA_LINKMODE = 17 | |
| 1577 | IFLA_LINKINFO = 18 | |
| 1578 | IFLA_NET_NS_PID = 19 | |
| 1579 | IFLA_IFALIAS = 20 | |
| 1580 | IFLA_NUM_VF = 21 | |
| 1581 | IFLA_VFINFO_LIST = 22 | |
| 1582 | IFLA_STATS64 = 23 | |
| 1583 | IFLA_VF_PORTS = 24 | |
| 1584 | IFLA_PORT_SELF = 25 | |
| 1585 | IFLA_AF_SPEC = 26 | |
| 1586 | IFLA_GROUP = 27 | |
| 1587 | IFLA_NET_NS_FD = 28 | |
| 1588 | IFLA_EXT_MASK = 29 | |
| 1589 | IFLA_PROMISCUITY = 30 | |
| 1590 | IFLA_NUM_TX_QUEUES = 31 | |
| 1591 | IFLA_NUM_RX_QUEUES = 32 | |
| 1592 | IFLA_CARRIER = 33 | |
| 1593 | IFLA_PHYS_PORT_ID = 34 | |
| 1594 | IFLA_CARRIER_CHANGES = 35 | |
| 1595 | IFLA_PHYS_SWITCH_ID = 36 | |
| 1596 | IFLA_LINK_NETNSID = 37 | |
| 1597 | IFLA_PHYS_PORT_NAME = 38 | |
| 1598 | IFLA_PROTO_DOWN = 39 | |
| 1599 | IFLA_LINKPROTODOWN = 200 | |
| 1600 | ||
| 1601 | attribute_to_class = { | |
| 1602 | IFLA_UNSPEC : ('IFLA_UNSPEC', AttributeGeneric), | |
| 1603 | IFLA_ADDRESS : ('IFLA_ADDRESS', AttributeMACAddress), | |
| 1604 | IFLA_BROADCAST : ('IFLA_BROADCAST', AttributeMACAddress), | |
| 1605 | IFLA_IFNAME : ('IFLA_IFNAME', AttributeString), | |
| 1606 | IFLA_MTU : ('IFLA_MTU', AttributeFourByteValue), | |
| 1607 | IFLA_LINK : ('IFLA_LINK', AttributeFourByteValue), | |
| 1608 | IFLA_QDISC : ('IFLA_QDISC', AttributeString), | |
| 1609 | IFLA_STATS : ('IFLA_STATS', AttributeGeneric), | |
| 1610 | IFLA_COST : ('IFLA_COST', AttributeGeneric), | |
| 1611 | IFLA_PRIORITY : ('IFLA_PRIORITY', AttributeGeneric), | |
| 1612 | IFLA_MASTER : ('IFLA_MASTER', AttributeFourByteValue), | |
| 1613 | IFLA_WIRELESS : ('IFLA_WIRELESS', AttributeGeneric), | |
| 1614 | IFLA_PROTINFO : ('IFLA_PROTINFO', AttributeGeneric), | |
| 1615 | IFLA_TXQLEN : ('IFLA_TXQLEN', AttributeFourByteValue), | |
| 1616 | IFLA_MAP : ('IFLA_MAP', AttributeGeneric), | |
| 1617 | IFLA_WEIGHT : ('IFLA_WEIGHT', AttributeGeneric), | |
| 1618 | IFLA_OPERSTATE : ('IFLA_OPERSTATE', AttributeFourByteValue), | |
| 1619 | IFLA_LINKMODE : ('IFLA_LINKMODE', AttributeFourByteValue), | |
| 1620 | IFLA_LINKINFO : ('IFLA_LINKINFO', AttributeIFLA_LINKINFO), | |
| 1621 | IFLA_NET_NS_PID : ('IFLA_NET_NS_PID', AttributeGeneric), | |
| 1622 | IFLA_IFALIAS : ('IFLA_IFALIAS', AttributeGeneric), | |
| 1623 | IFLA_NUM_VF : ('IFLA_NUM_VF', AttributeGeneric), | |
| 1624 | IFLA_VFINFO_LIST : ('IFLA_VFINFO_LIST', AttributeGeneric), | |
| 1625 | IFLA_STATS64 : ('IFLA_STATS64', AttributeGeneric), | |
| 1626 | IFLA_VF_PORTS : ('IFLA_VF_PORTS', AttributeGeneric), | |
| 1627 | IFLA_PORT_SELF : ('IFLA_PORT_SELF', AttributeGeneric), | |
| 1628 | IFLA_AF_SPEC : ('IFLA_AF_SPEC', AttributeIFLA_AF_SPEC), | |
| 1629 | IFLA_GROUP : ('IFLA_GROUP', AttributeFourByteValue), | |
| 1630 | IFLA_NET_NS_FD : ('IFLA_NET_NS_FD', AttributeGeneric), | |
| 1631 | IFLA_EXT_MASK : ('IFLA_EXT_MASK', AttributeGeneric), | |
| 1632 | IFLA_PROMISCUITY : ('IFLA_PROMISCUITY', AttributeGeneric), | |
| 1633 | IFLA_NUM_TX_QUEUES : ('IFLA_NUM_TX_QUEUES', AttributeGeneric), | |
| 1634 | IFLA_NUM_RX_QUEUES : ('IFLA_NUM_RX_QUEUES', AttributeGeneric), | |
| 1635 | IFLA_CARRIER : ('IFLA_CARRIER', AttributeGeneric), | |
| 1636 | IFLA_PHYS_PORT_ID : ('IFLA_PHYS_PORT_ID', AttributeGeneric), | |
| 1637 | IFLA_CARRIER_CHANGES : ('IFLA_CARRIER_CHANGES', AttributeGeneric), | |
| 1638 | IFLA_PHYS_SWITCH_ID : ('IFLA_PHYS_SWITCH_ID', AttributeGeneric), | |
| 1639 | IFLA_LINK_NETNSID : ('IFLA_LINK_NETNSID', AttributeGeneric), | |
| 1640 | IFLA_PHYS_PORT_NAME : ('IFLA_PHYS_PORT_NAME', AttributeGeneric), | |
| 1641 | IFLA_PROTO_DOWN : ('IFLA_PROTO_DOWN', AttributeGeneric), | |
| 1642 | IFLA_LINKPROTODOWN : ('IFLA_LINKPROTODOWN', AttributeGeneric) | |
| 1643 | } | |
| 1644 | ||
| 1645 | # Link flags | |
| 1646 | # /usr/include/linux/if.h | |
| 1647 | IFF_UP = 0x0001 # Interface is administratively up. | |
| 1648 | IFF_BROADCAST = 0x0002 # Valid broadcast address set. | |
| 1649 | IFF_DEBUG = 0x0004 # Internal debugging flag. | |
| 1650 | IFF_LOOPBACK = 0x0008 # Interface is a loopback interface. | |
| 1651 | IFF_POINTOPOINT = 0x0010 # Interface is a point-to-point link. | |
| 1652 | IFF_NOTRAILERS = 0x0020 # Avoid use of trailers. | |
| 1653 | IFF_RUNNING = 0x0040 # Interface is operationally up. | |
| 1654 | IFF_NOARP = 0x0080 # No ARP protocol needed for this interface. | |
| 1655 | IFF_PROMISC = 0x0100 # Interface is in promiscuous mode. | |
| 1656 | IFF_ALLMULTI = 0x0200 # Receive all multicast packets. | |
| 1657 | IFF_MASTER = 0x0400 # Master of a load balancing bundle. | |
| 1658 | IFF_SLAVE = 0x0800 # Slave of a load balancing bundle. | |
| 1659 | IFF_MULTICAST = 0x1000 # Supports multicast. | |
| 1660 | IFF_PORTSEL = 0x2000 # Is able to select media type via ifmap. | |
| 1661 | IFF_AUTOMEDIA = 0x4000 # Auto media selection active. | |
| 1662 | IFF_DYNAMIC = 0x8000 # Interface was dynamically created. | |
| 1663 | IFF_LOWER_UP = 0x10000 # driver signals L1 up | |
| 1664 | IFF_DORMANT = 0x20000 # driver signals dormant | |
| 1665 | IFF_ECHO = 0x40000 # echo sent packet | |
| 1666 | IFF_PROTO_DOWN = 0x1000000 # protocol is down on the interface | |
| 1667 | ||
| 1668 | flag_to_string = { | |
| 1669 | IFF_UP : 'IFF_UP', | |
| 1670 | IFF_BROADCAST : 'IFF_BROADCAST', | |
| 1671 | IFF_DEBUG : 'IFF_DEBUG', | |
| 1672 | IFF_LOOPBACK : 'IFF_LOOPBACK', | |
| 1673 | IFF_POINTOPOINT : 'IFF_POINTOPOINT', | |
| 1674 | IFF_NOTRAILERS : 'IFF_NOTRAILERS', | |
| 1675 | IFF_RUNNING : 'IFF_RUNNING', | |
| 1676 | IFF_NOARP : 'IFF_NOARP', | |
| 1677 | IFF_PROMISC : 'IFF_PROMISC', | |
| 1678 | IFF_ALLMULTI : 'IFF_ALLMULTI', | |
| 1679 | IFF_MASTER : 'IFF_MASTER', | |
| 1680 | IFF_SLAVE : 'IFF_SLAVE', | |
| 1681 | IFF_MULTICAST : 'IFF_MULTICAST', | |
| 1682 | IFF_PORTSEL : 'IFF_PORTSEL', | |
| 1683 | IFF_AUTOMEDIA : 'IFF_AUTOMEDIA', | |
| 1684 | IFF_DYNAMIC : 'IFF_DYNAMIC', | |
| 1685 | IFF_LOWER_UP : 'IFF_LOWER_UP', | |
| 1686 | IFF_DORMANT : 'IFF_DORMANT', | |
| 1687 | IFF_ECHO : 'IFF_ECHO', | |
| 1688 | IFF_PROTO_DOWN : 'IFF_PROTO_DOWN' | |
| 1689 | } | |
| 1690 | ||
| 1691 | # RFC 2863 operational status | |
| 1692 | IF_OPER_UNKNOWN = 0 | |
| 1693 | IF_OPER_NOTPRESENT = 1 | |
| 1694 | IF_OPER_DOWN = 2 | |
| 1695 | IF_OPER_LOWERLAYERDOWN = 3 | |
| 1696 | IF_OPER_TESTING = 4 | |
| 1697 | IF_OPER_DORMANT = 5 | |
| 1698 | IF_OPER_UP = 6 | |
| 1699 | ||
| 1700 | oper_to_string = { | |
| 1701 | IF_OPER_UNKNOWN : 'IF_OPER_UNKNOWN', | |
| 1702 | IF_OPER_NOTPRESENT : 'IF_OPER_NOTPRESENT', | |
| 1703 | IF_OPER_DOWN : 'IF_OPER_DOWN', | |
| 1704 | IF_OPER_LOWERLAYERDOWN : 'IF_OPER_LOWERLAYERDOWN', | |
| 1705 | IF_OPER_TESTING : 'IF_OPER_TESTING', | |
| 1706 | IF_OPER_DORMANT : 'IF_OPER_DORMANT', | |
| 1707 | IF_OPER_UP : 'IF_OPER_UP' | |
| 1708 | } | |
| 1709 | ||
| 1710 | # Link types | |
| 1711 | # /usr/include/linux/if_arp.h | |
| 1712 | # ARP protocol HARDWARE identifiers | |
| 1713 | ARPHRD_NETROM = 0 # from KA9Q: NET/ROM pseudo | |
| 1714 | ARPHRD_ETHER = 1 # Ethernet 10Mbps | |
| 1715 | ARPHRD_EETHER = 2 # Experimental Ethernet | |
| 1716 | ARPHRD_AX25 = 3 # AX.25 Level 2 | |
| 1717 | ARPHRD_PRONET = 4 # PROnet token ring | |
| 1718 | ARPHRD_CHAOS = 5 # Chaosnet | |
| 1719 | ARPHRD_IEEE802 = 6 # IEEE 802.2 Ethernet/TR/TB | |
| 1720 | ARPHRD_ARCNET = 7 # ARCnet | |
| 1721 | ARPHRD_APPLETLK = 8 # APPLEtalk | |
| 1722 | ARPHRD_DLCI = 15 # Frame Relay DLCI | |
| 1723 | ARPHRD_ATM = 19 # ATM | |
| 1724 | ARPHRD_METRICOM = 23 # Metricom STRIP (new IANA id) | |
| 1725 | ARPHRD_IEEE1394 = 24 # IEEE 1394 IPv4 - RFC 2734 | |
| 1726 | ARPHRD_EUI64 = 27 # EUI-64 | |
| 1727 | ARPHRD_INFINIBAND = 32 # InfiniBand | |
| 1728 | # Dummy types for non ARP hardware | |
| 1729 | ARPHRD_SLIP = 256 | |
| 1730 | ARPHRD_CSLIP = 257 | |
| 1731 | ARPHRD_SLIP6 = 258 | |
| 1732 | ARPHRD_CSLIP6 = 259 | |
| 1733 | ARPHRD_RSRVD = 260 # Notional KISS type | |
| 1734 | ARPHRD_ADAPT = 264 | |
| 1735 | ARPHRD_ROSE = 270 | |
| 1736 | ARPHRD_X25 = 271 # CCITT X.25 | |
| 1737 | ARPHRD_HWX25 = 272 # Boards with X.25 in firmware | |
| 1738 | ARPHRD_CAN = 280 # Controller Area Network | |
| 1739 | ARPHRD_PPP = 512 | |
| 1740 | ARPHRD_CISCO = 513 # Cisco HDLC | |
| 1741 | ARPHRD_HDLC = ARPHRD_CISCO | |
| 1742 | ARPHRD_LAPB = 516 # LAPB | |
| 1743 | ARPHRD_DDCMP = 517 # Digital's DDCMP protocol | |
| 1744 | ARPHRD_RAWHDLC = 518 # Raw HDLC | |
| 1745 | ARPHRD_TUNNEL = 768 # IPIP tunnel | |
| 1746 | ARPHRD_TUNNEL6 = 769 # IP6IP6 tunnel | |
| 1747 | ARPHRD_FRAD = 770 # Frame Relay Access Device | |
| 1748 | ARPHRD_SKIP = 771 # SKIP vif | |
| 1749 | ARPHRD_LOOPBACK = 772 # Loopback device | |
| 1750 | ARPHRD_LOCALTLK = 773 # Localtalk device | |
| 1751 | ARPHRD_FDDI = 774 # Fiber Distributed Data Interface | |
| 1752 | ARPHRD_BIF = 775 # AP1000 BIF | |
| 1753 | ARPHRD_SIT = 776 # sit0 device - IPv6-in-IPv4 | |
| 1754 | ARPHRD_IPDDP = 777 # IP over DDP tunneller | |
| 1755 | ARPHRD_IPGRE = 778 # GRE over IP | |
| 1756 | ARPHRD_PIMREG = 779 # PIMSM register interface | |
| 1757 | ARPHRD_HIPPI = 780 # High Performance Parallel Interface | |
| 1758 | ARPHRD_ASH = 781 # Nexus 64Mbps Ash | |
| 1759 | ARPHRD_ECONET = 782 # Acorn Econet | |
| 1760 | ARPHRD_IRDA = 783 # Linux-IrDA | |
| 1761 | ARPHRD_FCPP = 784 # Point to point fibrechannel | |
| 1762 | ARPHRD_FCAL = 785 # Fibrechannel arbitrated loop | |
| 1763 | ARPHRD_FCPL = 786 # Fibrechannel public loop | |
| 1764 | ARPHRD_FCFABRIC = 787 # Fibrechannel fabric | |
| 1765 | # 787->799 reserved for fibrechannel media types | |
| 1766 | ARPHRD_IEEE802_TR = 800 # Magic type ident for TR | |
| 1767 | ARPHRD_IEEE80211 = 801 # IEEE 802.11 | |
| 1768 | ARPHRD_IEEE80211_PRISM = 802 # IEEE 802.11 + Prism2 header | |
| 1769 | ARPHRD_IEEE80211_RADIOTAP = 803 # IEEE 802.11 + radiotap header | |
| 1770 | ARPHRD_IEEE802154 = 804 | |
| 1771 | ARPHRD_PHONET = 820 # PhoNet media type | |
| 1772 | ARPHRD_PHONET_PIPE = 821 # PhoNet pipe header | |
| 1773 | ARPHRD_CAIF = 822 # CAIF media type | |
| 1774 | ARPHRD_VOID = 0xFFFF # Void type, nothing is known | |
| 1775 | ARPHRD_NONE = 0xFFFE # zero header length | |
| 1776 | ||
| 1777 | link_type_to_string = { | |
| 1778 | ARPHRD_NETROM : 'ARPHRD_NETROM', | |
| 1779 | ARPHRD_ETHER : 'ARPHRD_ETHER', | |
| 1780 | ARPHRD_EETHER : 'ARPHRD_EETHER', | |
| 1781 | ARPHRD_AX25 : 'ARPHRD_AX25', | |
| 1782 | ARPHRD_PRONET : 'ARPHRD_PRONET', | |
| 1783 | ARPHRD_CHAOS : 'ARPHRD_CHAOS', | |
| 1784 | ARPHRD_IEEE802 : 'ARPHRD_IEEE802', | |
| 1785 | ARPHRD_ARCNET : 'ARPHRD_ARCNET', | |
| 1786 | ARPHRD_APPLETLK : 'ARPHRD_APPLETLK', | |
| 1787 | ARPHRD_DLCI : 'ARPHRD_DLCI', | |
| 1788 | ARPHRD_ATM : 'ARPHRD_ATM', | |
| 1789 | ARPHRD_METRICOM : 'ARPHRD_METRICOM', | |
| 1790 | ARPHRD_IEEE1394 : 'ARPHRD_IEEE1394', | |
| 1791 | ARPHRD_EUI64 : 'ARPHRD_EUI64', | |
| 1792 | ARPHRD_INFINIBAND : 'ARPHRD_INFINIBAND', | |
| 1793 | ARPHRD_SLIP : 'ARPHRD_SLIP', | |
| 1794 | ARPHRD_CSLIP : 'ARPHRD_CSLIP', | |
| 1795 | ARPHRD_SLIP6 : 'ARPHRD_SLIP6', | |
| 1796 | ARPHRD_CSLIP6 : 'ARPHRD_CSLIP6', | |
| 1797 | ARPHRD_RSRVD : 'ARPHRD_RSRVD', | |
| 1798 | ARPHRD_ADAPT : 'ARPHRD_ADAPT', | |
| 1799 | ARPHRD_ROSE : 'ARPHRD_ROSE', | |
| 1800 | ARPHRD_X25 : 'ARPHRD_X25', | |
| 1801 | ARPHRD_HWX25 : 'ARPHRD_HWX25', | |
| 1802 | ARPHRD_CAN : 'ARPHRD_CAN', | |
| 1803 | ARPHRD_PPP : 'ARPHRD_PPP', | |
| 1804 | ARPHRD_CISCO : 'ARPHRD_CISCO', | |
| 1805 | ARPHRD_HDLC : 'ARPHRD_HDLC', | |
| 1806 | ARPHRD_LAPB : 'ARPHRD_LAPB', | |
| 1807 | ARPHRD_DDCMP : 'ARPHRD_DDCMP', | |
| 1808 | ARPHRD_RAWHDLC : 'ARPHRD_RAWHDLC', | |
| 1809 | ARPHRD_TUNNEL : 'ARPHRD_TUNNEL', | |
| 1810 | ARPHRD_TUNNEL6 : 'ARPHRD_TUNNEL6', | |
| 1811 | ARPHRD_FRAD : 'ARPHRD_FRAD', | |
| 1812 | ARPHRD_SKIP : 'ARPHRD_SKIP', | |
| 1813 | ARPHRD_LOOPBACK : 'ARPHRD_LOOPBACK', | |
| 1814 | ARPHRD_LOCALTLK : 'ARPHRD_LOCALTLK', | |
| 1815 | ARPHRD_FDDI : 'ARPHRD_FDDI', | |
| 1816 | ARPHRD_BIF : 'ARPHRD_BIF', | |
| 1817 | ARPHRD_SIT : 'ARPHRD_SIT', | |
| 1818 | ARPHRD_IPDDP : 'ARPHRD_IPDDP', | |
| 1819 | ARPHRD_IPGRE : 'ARPHRD_IPGRE', | |
| 1820 | ARPHRD_PIMREG : 'ARPHRD_PIMREG', | |
| 1821 | ARPHRD_HIPPI : 'ARPHRD_HIPPI', | |
| 1822 | ARPHRD_ASH : 'ARPHRD_ASH', | |
| 1823 | ARPHRD_ECONET : 'ARPHRD_ECONET', | |
| 1824 | ARPHRD_IRDA : 'ARPHRD_IRDA', | |
| 1825 | ARPHRD_FCPP : 'ARPHRD_FCPP', | |
| 1826 | ARPHRD_FCAL : 'ARPHRD_FCAL', | |
| 1827 | ARPHRD_FCPL : 'ARPHRD_FCPL', | |
| 1828 | ARPHRD_FCFABRIC : 'ARPHRD_FCFABRIC', | |
| 1829 | ARPHRD_IEEE802_TR : 'ARPHRD_IEEE802_TR', | |
| 1830 | ARPHRD_IEEE80211 : 'ARPHRD_IEEE80211', | |
| 1831 | ARPHRD_IEEE80211_PRISM : 'ARPHRD_IEEE80211_PRISM', | |
| 1832 | ARPHRD_IEEE80211_RADIOTAP : 'ARPHRD_IEEE80211_RADIOTAP', | |
| 1833 | ARPHRD_IEEE802154 : 'ARPHRD_IEEE802154', | |
| 1834 | ARPHRD_PHONET : 'ARPHRD_PHONET', | |
| 1835 | ARPHRD_PHONET_PIPE : 'ARPHRD_PHONET_PIPE', | |
| 1836 | ARPHRD_CAIF : 'ARPHRD_CAIF', | |
| 1837 | ARPHRD_VOID : 'ARPHRD_VOID', | |
| 1838 | ARPHRD_NONE : 'ARPHRD_NONE' | |
| 1839 | } | |
| 1840 | ||
| 1841 | # ========================================= | |
| 1842 | # IFLA_LINKINFO attributes | |
| 1843 | # ========================================= | |
| 1844 | IFLA_INFO_UNSPEC = 0 | |
| 1845 | IFLA_INFO_KIND = 1 | |
| 1846 | IFLA_INFO_DATA = 2 | |
| 1847 | IFLA_INFO_XSTATS = 3 | |
| 1848 | IFLA_INFO_SLAVE_KIND = 4 | |
| 1849 | IFLA_INFO_SLAVE_DATA = 5 | |
| 1850 | IFLA_INFO_MAX = 6 | |
| 1851 | ||
| 1852 | ifla_info_to_string = { | |
| 1853 | IFLA_INFO_UNSPEC : 'IFLA_INFO_UNSPEC', | |
| 1854 | IFLA_INFO_KIND : 'IFLA_INFO_KIND', | |
| 1855 | IFLA_INFO_DATA : 'IFLA_INFO_DATA', | |
| 1856 | IFLA_INFO_XSTATS : 'IFLA_INFO_XSTATS', | |
| 1857 | IFLA_INFO_SLAVE_KIND : 'IFLA_INFO_SLAVE_KIND', | |
| 1858 | IFLA_INFO_SLAVE_DATA : 'IFLA_INFO_SLAVE_DATA', | |
| 1859 | IFLA_INFO_MAX : 'IFLA_INFO_MAX' | |
| 1860 | } | |
| 1861 | ||
| 1862 | # ========================================= | |
| 1863 | # IFLA_INFO_DATA attributes for vlan | |
| 1864 | # ========================================= | |
| 1865 | IFLA_VLAN_UNSPEC = 0 | |
| 1866 | IFLA_VLAN_ID = 1 | |
| 1867 | IFLA_VLAN_FLAGS = 2 | |
| 1868 | IFLA_VLAN_EGRESS_QOS = 3 | |
| 1869 | IFLA_VLAN_INGRESS_QOS = 4 | |
| 1870 | IFLA_VLAN_PROTOCOL = 5 | |
| 1871 | ||
| 1872 | ifla_vlan_to_string = { | |
| 1873 | IFLA_VLAN_UNSPEC : 'IFLA_VLAN_UNSPEC', | |
| 1874 | IFLA_VLAN_ID : 'IFLA_VLAN_ID', | |
| 1875 | IFLA_VLAN_FLAGS : 'IFLA_VLAN_FLAGS', | |
| 1876 | IFLA_VLAN_EGRESS_QOS : 'IFLA_VLAN_EGRESS_QOS', | |
| 1877 | IFLA_VLAN_INGRESS_QOS : 'IFLA_VLAN_INGRESS_QOS', | |
| 1878 | IFLA_VLAN_PROTOCOL : 'IFLA_VLAN_PROTOCOL' | |
| 1879 | } | |
| 1880 | ||
| 1881 | # ========================================= | |
| 1882 | # IFLA_INFO_DATA attributes for macvlan | |
| 1883 | # ========================================= | |
| 1884 | IFLA_MACVLAN_UNSPEC = 0 | |
| 1885 | IFLA_MACVLAN_MODE = 1 | |
| 1886 | ||
| 1887 | ifla_macvlan_to_string = { | |
| 1888 | IFLA_MACVLAN_UNSPEC : 'IFLA_MACVLAN_UNSPEC', | |
| 1889 | IFLA_MACVLAN_MODE : 'IFLA_MACVLAN_MODE' | |
| 1890 | } | |
| 1891 | ||
| 1892 | # macvlan modes | |
| 1893 | MACVLAN_MODE_PRIVATE = 1 | |
| 1894 | MACVLAN_MODE_VEPA = 2 | |
| 1895 | MACVLAN_MODE_BRIDGE = 3 | |
| 1896 | MACVLAN_MODE_PASSTHRU = 4 | |
| 1897 | ||
| 1898 | macvlan_mode_to_string = { | |
| 1899 | MACVLAN_MODE_PRIVATE : 'MACVLAN_MODE_PRIVATE', | |
| 1900 | MACVLAN_MODE_VEPA : 'MACVLAN_MODE_VEPA', | |
| 1901 | MACVLAN_MODE_BRIDGE : 'MACVLAN_MODE_BRIDGE', | |
| 1902 | MACVLAN_MODE_PASSTHRU : 'MACVLAN_MODE_PASSTHRU' | |
| 1903 | } | |
| 1904 | ||
| 1905 | # ========================================= | |
| 1906 | # IFLA_INFO_DATA attributes for vxlan | |
| 1907 | # ========================================= | |
| 1908 | IFLA_VXLAN_UNSPEC = 0 | |
| 1909 | IFLA_VXLAN_ID = 1 | |
| 1910 | IFLA_VXLAN_GROUP = 2 | |
| 1911 | IFLA_VXLAN_LINK = 3 | |
| 1912 | IFLA_VXLAN_LOCAL = 4 | |
| 1913 | IFLA_VXLAN_TTL = 5 | |
| 1914 | IFLA_VXLAN_TOS = 6 | |
| 1915 | IFLA_VXLAN_LEARNING = 7 | |
| 1916 | IFLA_VXLAN_AGEING = 8 | |
| 1917 | IFLA_VXLAN_LIMIT = 9 | |
| 1918 | IFLA_VXLAN_PORT_RANGE = 10 | |
| 1919 | IFLA_VXLAN_PROXY = 11 | |
| 1920 | IFLA_VXLAN_RSC = 12 | |
| 1921 | IFLA_VXLAN_L2MISS = 13 | |
| 1922 | IFLA_VXLAN_L3MISS = 14 | |
| 1923 | IFLA_VXLAN_PORT = 15 | |
| 1924 | IFLA_VXLAN_GROUP6 = 16 | |
| 1925 | IFLA_VXLAN_LOCAL6 = 17 | |
| 1926 | IFLA_VXLAN_UDP_CSUM = 18 | |
| 1927 | IFLA_VXLAN_UDP_ZERO_CSUM6_TX = 19 | |
| 1928 | IFLA_VXLAN_UDP_ZERO_CSUM6_RX = 20 | |
| 1929 | IFLA_VXLAN_REMCSUM_TX = 21 | |
| 1930 | IFLA_VXLAN_REMCSUM_RX = 22 | |
| 1931 | IFLA_VXLAN_GBP = 23 | |
| 1932 | IFLA_VXLAN_REMCSUM_NOPARTIAL = 24 | |
| 1933 | IFLA_VXLAN_COLLECT_METADATA = 25 | |
| 1934 | IFLA_VXLAN_REPLICATION_NODE = 253 | |
| 1935 | IFLA_VXLAN_REPLICATION_TYPE = 254 | |
| 1936 | ||
| 1937 | ifla_vxlan_to_string = { | |
| 1938 | IFLA_VXLAN_UNSPEC : 'IFLA_VXLAN_UNSPEC', | |
| 1939 | IFLA_VXLAN_ID : 'IFLA_VXLAN_ID', | |
| 1940 | IFLA_VXLAN_GROUP : 'IFLA_VXLAN_GROUP', | |
| 1941 | IFLA_VXLAN_LINK : 'IFLA_VXLAN_LINK', | |
| 1942 | IFLA_VXLAN_LOCAL : 'IFLA_VXLAN_LOCAL', | |
| 1943 | IFLA_VXLAN_TTL : 'IFLA_VXLAN_TTL', | |
| 1944 | IFLA_VXLAN_TOS : 'IFLA_VXLAN_TOS', | |
| 1945 | IFLA_VXLAN_LEARNING : 'IFLA_VXLAN_LEARNING', | |
| 1946 | IFLA_VXLAN_AGEING : 'IFLA_VXLAN_AGEING', | |
| 1947 | IFLA_VXLAN_LIMIT : 'IFLA_VXLAN_LIMIT', | |
| 1948 | IFLA_VXLAN_PORT_RANGE : 'IFLA_VXLAN_PORT_RANGE', | |
| 1949 | IFLA_VXLAN_PROXY : 'IFLA_VXLAN_PROXY', | |
| 1950 | IFLA_VXLAN_RSC : 'IFLA_VXLAN_RSC', | |
| 1951 | IFLA_VXLAN_L2MISS : 'IFLA_VXLAN_L2MISS', | |
| 1952 | IFLA_VXLAN_L3MISS : 'IFLA_VXLAN_L3MISS', | |
| 1953 | IFLA_VXLAN_PORT : 'IFLA_VXLAN_PORT', | |
| 1954 | IFLA_VXLAN_GROUP6 : 'IFLA_VXLAN_GROUP6', | |
| 1955 | IFLA_VXLAN_LOCAL6 : 'IFLA_VXLAN_LOCAL6', | |
| 1956 | IFLA_VXLAN_UDP_CSUM : 'IFLA_VXLAN_UDP_CSUM', | |
| 1957 | IFLA_VXLAN_UDP_ZERO_CSUM6_TX : 'IFLA_VXLAN_UDP_ZERO_CSUM6_TX', | |
| 1958 | IFLA_VXLAN_UDP_ZERO_CSUM6_RX : 'IFLA_VXLAN_UDP_ZERO_CSUM6_RX', | |
| 1959 | IFLA_VXLAN_REMCSUM_TX : 'IFLA_VXLAN_REMCSUM_TX', | |
| 1960 | IFLA_VXLAN_REMCSUM_RX : 'IFLA_VXLAN_REMCSUM_RX', | |
| 1961 | IFLA_VXLAN_GBP : 'IFLA_VXLAN_GBP', | |
| 1962 | IFLA_VXLAN_REMCSUM_NOPARTIAL : 'IFLA_VXLAN_REMCSUM_NOPARTIAL', | |
| 1963 | IFLA_VXLAN_COLLECT_METADATA : 'IFLA_VXLAN_COLLECT_METADATA', | |
| 1964 | IFLA_VXLAN_REPLICATION_NODE : 'IFLA_VXLAN_REPLICATION_NODE', | |
| 1965 | IFLA_VXLAN_REPLICATION_TYPE : 'IFLA_VXLAN_REPLICATION_TYPE' | |
| 1966 | } | |
| 1967 | ||
| 1968 | # ========================================= | |
| 1969 | # IFLA_INFO_DATA attributes for bonds | |
| 1970 | # ========================================= | |
| 1971 | IFLA_BOND_UNSPEC = 0 | |
| 1972 | IFLA_BOND_MODE = 1 | |
| 1973 | IFLA_BOND_ACTIVE_SLAVE = 2 | |
| 1974 | IFLA_BOND_MIIMON = 3 | |
| 1975 | IFLA_BOND_UPDELAY = 4 | |
| 1976 | IFLA_BOND_DOWNDELAY = 5 | |
| 1977 | IFLA_BOND_USE_CARRIER = 6 | |
| 1978 | IFLA_BOND_ARP_INTERVAL = 7 | |
| 1979 | IFLA_BOND_ARP_IP_TARGET = 8 | |
| 1980 | IFLA_BOND_ARP_VALIDATE = 9 | |
| 1981 | IFLA_BOND_ARP_ALL_TARGETS = 10 | |
| 1982 | IFLA_BOND_PRIMARY = 11 | |
| 1983 | IFLA_BOND_PRIMARY_RESELECT = 12 | |
| 1984 | IFLA_BOND_FAIL_OVER_MAC = 13 | |
| 1985 | IFLA_BOND_XMIT_HASH_POLICY = 14 | |
| 1986 | IFLA_BOND_RESEND_IGMP = 15 | |
| 1987 | IFLA_BOND_NUM_PEER_NOTIF = 16 | |
| 1988 | IFLA_BOND_ALL_SLAVES_ACTIVE = 17 | |
| 1989 | IFLA_BOND_MIN_LINKS = 18 | |
| 1990 | IFLA_BOND_LP_INTERVAL = 19 | |
| 1991 | IFLA_BOND_PACKETS_PER_SLAVE = 20 | |
| 1992 | IFLA_BOND_AD_LACP_RATE = 21 | |
| 1993 | IFLA_BOND_AD_SELECT = 22 | |
| 1994 | IFLA_BOND_AD_INFO = 23 | |
| 1995 | IFLA_BOND_AD_ACTOR_SYS_PRIO = 24 | |
| 1996 | IFLA_BOND_AD_USER_PORT_KEY = 25 | |
| 1997 | IFLA_BOND_AD_ACTOR_SYSTEM = 26 | |
| 1998 | IFLA_BOND_CL_LACP_BYPASS_ALLOW = 100 | |
| 1999 | IFLA_BOND_CL_LACP_BYPASS_ACTIVE = 101 | |
| 2000 | IFLA_BOND_CL_LACP_BYPASS_PERIOD = 102 | |
| 2001 | IFLA_BOND_CL_CLAG_ENABLE = 103 | |
| 2002 | IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE = 104 | |
| 2003 | ||
| 2004 | ifla_bond_to_string = { | |
| 2005 | IFLA_BOND_UNSPEC : 'IFLA_BOND_UNSPEC', | |
| 2006 | IFLA_BOND_MODE : 'IFLA_BOND_MODE', | |
| 2007 | IFLA_BOND_ACTIVE_SLAVE : 'IFLA_BOND_ACTIVE_SLAVE', | |
| 2008 | IFLA_BOND_MIIMON : 'IFLA_BOND_MIIMON', | |
| 2009 | IFLA_BOND_UPDELAY : 'IFLA_BOND_UPDELAY', | |
| 2010 | IFLA_BOND_DOWNDELAY : 'IFLA_BOND_DOWNDELAY', | |
| 2011 | IFLA_BOND_USE_CARRIER : 'IFLA_BOND_USE_CARRIER', | |
| 2012 | IFLA_BOND_ARP_INTERVAL : 'IFLA_BOND_ARP_INTERVAL', | |
| 2013 | IFLA_BOND_ARP_IP_TARGET : 'IFLA_BOND_ARP_IP_TARGET', | |
| 2014 | IFLA_BOND_ARP_VALIDATE : 'IFLA_BOND_ARP_VALIDATE', | |
| 2015 | IFLA_BOND_ARP_ALL_TARGETS : 'IFLA_BOND_ARP_ALL_TARGETS', | |
| 2016 | IFLA_BOND_PRIMARY : 'IFLA_BOND_PRIMARY', | |
| 2017 | IFLA_BOND_PRIMARY_RESELECT : 'IFLA_BOND_PRIMARY_RESELECT', | |
| 2018 | IFLA_BOND_FAIL_OVER_MAC : 'IFLA_BOND_FAIL_OVER_MAC', | |
| 2019 | IFLA_BOND_XMIT_HASH_POLICY : 'IFLA_BOND_XMIT_HASH_POLICY', | |
| 2020 | IFLA_BOND_RESEND_IGMP : 'IFLA_BOND_RESEND_IGMP', | |
| 2021 | IFLA_BOND_NUM_PEER_NOTIF : 'IFLA_BOND_NUM_PEER_NOTIF', | |
| 2022 | IFLA_BOND_ALL_SLAVES_ACTIVE : 'IFLA_BOND_ALL_SLAVES_ACTIVE', | |
| 2023 | IFLA_BOND_MIN_LINKS : 'IFLA_BOND_MIN_LINKS', | |
| 2024 | IFLA_BOND_LP_INTERVAL : 'IFLA_BOND_LP_INTERVAL', | |
| 2025 | IFLA_BOND_PACKETS_PER_SLAVE : 'IFLA_BOND_PACKETS_PER_SLAVE', | |
| 2026 | IFLA_BOND_AD_LACP_RATE : 'IFLA_BOND_AD_LACP_RATE', | |
| 2027 | IFLA_BOND_AD_SELECT : 'IFLA_BOND_AD_SELECT', | |
| 2028 | IFLA_BOND_AD_INFO : 'IFLA_BOND_AD_INFO', | |
| 2029 | IFLA_BOND_AD_ACTOR_SYS_PRIO : 'IFLA_BOND_AD_ACTOR_SYS_PRIO', | |
| 2030 | IFLA_BOND_AD_USER_PORT_KEY : 'IFLA_BOND_AD_USER_PORT_KEY', | |
| 2031 | IFLA_BOND_AD_ACTOR_SYSTEM : 'IFLA_BOND_AD_ACTOR_SYSTEM', | |
| 2032 | IFLA_BOND_CL_LACP_BYPASS_ALLOW : 'IFLA_BOND_CL_LACP_BYPASS_ALLOW', | |
| 2033 | IFLA_BOND_CL_LACP_BYPASS_ACTIVE : 'IFLA_BOND_CL_LACP_BYPASS_ACTIVE', | |
| 2034 | IFLA_BOND_CL_LACP_BYPASS_PERIOD : 'IFLA_BOND_CL_LACP_BYPASS_PERIOD', | |
| 2035 | IFLA_BOND_CL_CLAG_ENABLE : 'IFLA_BOND_CL_CLAG_ENABLE', | |
| 2036 | IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE : 'IFLA_BOND_CL_LACP_BYPASS_ALL_ACTIVE' | |
| 2037 | } | |
| 2038 | ||
| 2039 | # ========================================= | |
| 2040 | # IFLA_INFO_DATA attributes for bridges | |
| 2041 | # ========================================= | |
| 2042 | IFLA_BRPORT_UNSPEC = 0 | |
| 2043 | IFLA_BRPORT_STATE = 1 | |
| 2044 | IFLA_BRPORT_PRIORITY = 2 | |
| 2045 | IFLA_BRPORT_COST = 3 | |
| 2046 | IFLA_BRPORT_MODE = 4 | |
| 2047 | IFLA_BRPORT_GUARD = 5 | |
| 2048 | IFLA_BRPORT_PROTECT = 6 | |
| 2049 | IFLA_BRPORT_FAST_LEAVE = 7 | |
| 2050 | IFLA_BRPORT_LEARNING = 8 | |
| 2051 | IFLA_BRPORT_UNICAST_FLOOD = 9 | |
| 2052 | IFLA_BRPORT_PROXYARP = 10 | |
| 2053 | IFLA_BRPORT_LEARNING_SYNC = 11 | |
| 2054 | IFLA_BRPORT_PROXYARP_WIFI = 12 | |
| 2055 | IFLA_BRPORT_ROOT_ID = 13 | |
| 2056 | IFLA_BRPORT_BRIDGE_ID = 14 | |
| 2057 | IFLA_BRPORT_DESIGNATED_PORT = 15 | |
| 2058 | IFLA_BRPORT_DESIGNATED_COST = 16 | |
| 2059 | IFLA_BRPORT_ID = 17 | |
| 2060 | IFLA_BRPORT_NO = 18 | |
| 2061 | IFLA_BRPORT_TOPOLOGY_CHANGE_ACK = 19 | |
| 2062 | IFLA_BRPORT_CONFIG_PENDING = 20 | |
| 2063 | IFLA_BRPORT_MESSAGE_AGE_TIMER = 21 | |
| 2064 | IFLA_BRPORT_FORWARD_DELAY_TIMER = 22 | |
| 2065 | IFLA_BRPORT_HOLD_TIMER = 23 | |
| 2066 | IFLA_BRPORT_FLUSH = 24 | |
| 2067 | IFLA_BRPORT_MULTICAST_ROUTER = 25 | |
| 2068 | IFLA_BRPORT_PEER_LINK = 150 | |
| 2069 | IFLA_BRPORT_DUAL_LINK = 151 | |
| 2070 | ||
| 2071 | ifla_bridge_to_string = { | |
| 2072 | IFLA_BRPORT_UNSPEC : 'IFLA_BRPORT_UNSPEC', | |
| 2073 | IFLA_BRPORT_STATE : 'IFLA_BRPORT_STATE', | |
| 2074 | IFLA_BRPORT_PRIORITY : 'IFLA_BRPORT_PRIORITY', | |
| 2075 | IFLA_BRPORT_COST : 'IFLA_BRPORT_COST', | |
| 2076 | IFLA_BRPORT_MODE : 'IFLA_BRPORT_MODE', | |
| 2077 | IFLA_BRPORT_GUARD : 'IFLA_BRPORT_GUARD', | |
| 2078 | IFLA_BRPORT_PROTECT : 'IFLA_BRPORT_PROTECT', | |
| 2079 | IFLA_BRPORT_FAST_LEAVE : 'IFLA_BRPORT_FAST_LEAVE', | |
| 2080 | IFLA_BRPORT_LEARNING : 'IFLA_BRPORT_LEARNING', | |
| 2081 | IFLA_BRPORT_UNICAST_FLOOD : 'IFLA_BRPORT_UNICAST_FLOOD', | |
| 2082 | IFLA_BRPORT_PROXYARP : 'IFLA_BRPORT_PROXYARP', | |
| 2083 | IFLA_BRPORT_LEARNING_SYNC : 'IFLA_BRPORT_LEARNING_SYNC', | |
| 2084 | IFLA_BRPORT_PROXYARP_WIFI : 'IFLA_BRPORT_PROXYARP_WIFI', | |
| 2085 | IFLA_BRPORT_ROOT_ID : 'IFLA_BRPORT_ROOT_ID', | |
| 2086 | IFLA_BRPORT_BRIDGE_ID : 'IFLA_BRPORT_BRIDGE_ID', | |
| 2087 | IFLA_BRPORT_DESIGNATED_PORT : 'IFLA_BRPORT_DESIGNATED_PORT', | |
| 2088 | IFLA_BRPORT_DESIGNATED_COST : 'IFLA_BRPORT_DESIGNATED_COST', | |
| 2089 | IFLA_BRPORT_ID : 'IFLA_BRPORT_ID', | |
| 2090 | IFLA_BRPORT_NO : 'IFLA_BRPORT_NO', | |
| 2091 | IFLA_BRPORT_TOPOLOGY_CHANGE_ACK : 'IFLA_BRPORT_TOPOLOGY_CHANGE_ACK', | |
| 2092 | IFLA_BRPORT_CONFIG_PENDING : 'IFLA_BRPORT_CONFIG_PENDING', | |
| 2093 | IFLA_BRPORT_MESSAGE_AGE_TIMER : 'IFLA_BRPORT_MESSAGE_AGE_TIMER', | |
| 2094 | IFLA_BRPORT_FORWARD_DELAY_TIMER : 'IFLA_BRPORT_FORWARD_DELAY_TIMER', | |
| 2095 | IFLA_BRPORT_HOLD_TIMER : 'IFLA_BRPORT_HOLD_TIMER', | |
| 2096 | IFLA_BRPORT_FLUSH : 'IFLA_BRPORT_FLUSH', | |
| 2097 | IFLA_BRPORT_MULTICAST_ROUTER : 'IFLA_BRPORT_MULTICAST_ROUTER', | |
| 2098 | IFLA_BRPORT_PEER_LINK : 'IFLA_BRPORT_PEER_LINK', | |
| 2099 | IFLA_BRPORT_DUAL_LINK : 'IFLA_BRPORT_DUAL_LINK' | |
| 2100 | } | |
| 2101 | ||
| 2102 | # BRIDGE IFLA_AF_SPEC attributes | |
| 2103 | IFLA_BRIDGE_FLAGS = 0 | |
| 2104 | IFLA_BRIDGE_MODE = 1 | |
| 2105 | IFLA_BRIDGE_VLAN_INFO = 2 | |
| 2106 | ||
| 2107 | ifla_bridge_af_spec_to_string = { | |
| 2108 | IFLA_BRIDGE_FLAGS : 'IFLA_BRIDGE_FLAGS', | |
| 2109 | IFLA_BRIDGE_MODE : 'IFLA_BRIDGE_MODE', | |
| 2110 | IFLA_BRIDGE_VLAN_INFO : 'IFLA_BRIDGE_VLAN_INFO' | |
| 2111 | } | |
| 2112 | ||
| 2113 | # BRIDGE_VLAN_INFO flags | |
| 2114 | BRIDGE_VLAN_INFO_MASTER = 1 | |
| 2115 | BRIDGE_VLAN_INFO_PVID = 2 | |
| 2116 | BRIDGE_VLAN_INFO_UNTAGGED = 4 | |
| 2117 | ||
| 2118 | bridge_vlan_to_string = { | |
| 2119 | BRIDGE_VLAN_INFO_MASTER : 'BRIDGE_VLAN_INFO_MASTER', | |
| 2120 | BRIDGE_VLAN_INFO_PVID : 'BRIDGE_VLAN_INFO_PVID', | |
| 2121 | BRIDGE_VLAN_INFO_UNTAGGED : 'BRIDGE_VLAN_INFO_UNTAGGED' | |
| 2122 | } | |
| 2123 | ||
| 2124 | # Bridge flags | |
| 2125 | BRIDGE_FLAGS_MASTER = 1 | |
| 2126 | BRIDGE_FLAGS_SELF = 2 | |
| 2127 | ||
| 2128 | bridge_flags_to_string = { | |
| 2129 | BRIDGE_FLAGS_MASTER : 'BRIDGE_FLAGS_MASTER', | |
| 2130 | BRIDGE_FLAGS_SELF : 'BRIDGE_FLAGS_SELF' | |
| 2131 | } | |
| 2132 | ||
| 2133 | def __init__(self, msgtype, debug=False, logger=None): | |
| 2134 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
| 2135 | self.PACK = 'BxHiII' | |
| 2136 | self.LEN = calcsize(self.PACK) | |
| 2137 | ||
| 2138 | def get_link_type_string(self, index): | |
| 2139 | return self.get_string(self.link_type_to_string, index) | |
| 2140 | ||
| 2141 | def get_ifla_bridge_af_spec_to_string(self, index): | |
| 2142 | return self.get_string(self.ifla_bridge_af_spec_to_string, index) | |
| 2143 | ||
| 2144 | def get_ifla_info_string(self, index): | |
| 2145 | return self.get_string(self.ifla_info_to_string, index) | |
| 2146 | ||
| 2147 | def get_ifla_vlan_string(self, index): | |
| 2148 | return self.get_string(self.ifla_vlan_to_string, index) | |
| 2149 | ||
| 2150 | def get_ifla_vxlan_string(self, index): | |
| 2151 | return self.get_string(self.ifla_vxlan_to_string, index) | |
| 2152 | ||
| 2153 | def get_ifla_macvlan_string(self, index): | |
| 2154 | return self.get_string(self.ifla_macvlan_to_string, index) | |
| 2155 | ||
| 2156 | def get_macvlan_mode_string(self, index): | |
| 2157 | return self.get_string(self.macvlan_mode_to_string, index) | |
| 2158 | ||
| 2159 | def get_ifla_bond_string(self, index): | |
| 2160 | return self.get_string(self.ifla_bond_to_string, index) | |
| 2161 | ||
| 2162 | def get_ifla_bridge_string(self, index): | |
| 2163 | return self.get_string(self.ifla_bridge_to_string, index) | |
| 2164 | ||
| 2165 | def get_bridge_vlan_string(self, index): | |
| 2166 | return self.get_string(self.bridge_vlan_to_string, index) | |
| 2167 | ||
| 2168 | def get_bridge_flags_string(self, index): | |
| 2169 | return self.get_string(self.bridge_flags_to_string, index) | |
| 2170 | ||
| 2171 | def decode_service_header(self): | |
| 2172 | ||
| 2173 | # Nothing to do if the message did not contain a service header | |
| 2174 | if self.length == self.header_LEN: | |
| 2175 | return | |
| 2176 | ||
| 2177 | (self.family, self.device_type, | |
| 2178 | self.ifindex, | |
| 2179 | self.flags, | |
| 2180 | self.change_mask) = \ | |
| 2181 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
| 2182 | ||
| 2183 | if self.debug: | |
| 2184 | color = yellow | |
| 2185 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
| 2186 | for x in range(0, self.LEN/4): | |
| 2187 | if self.line_number == 5: | |
| 2188 | extra = "Family %s (%d), Device Type %s (%d - %s)" % \ | |
| 2189 | (zfilled_hex(self.family, 2), self.family, | |
| 2190 | zfilled_hex(self.device_type, 4), self.device_type, self.get_link_type_string(self.device_type)) | |
| 2191 | elif self.line_number == 6: | |
| 2192 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
| 2193 | elif self.line_number == 7: | |
| 2194 | extra = "Device Flags %s (%s)" % (zfilled_hex(self.flags, 8), self.get_flags_string()) | |
| 2195 | elif self.line_number == 8: | |
| 2196 | extra = "Change Mask %s" % zfilled_hex(self.change_mask, 8) | |
| 2197 | else: | |
| 2198 | extra = "Unexpected line number %d" % self.line_number | |
| 2199 | ||
| 2200 | start = x * 4 | |
| 2201 | end = start + 4 | |
| 2202 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
| 2203 | self.line_number += 1 | |
| 2204 | ||
| 2205 | def is_up(self): | |
| 2206 | if self.flags & Link.IFF_UP: | |
| 2207 | return True | |
| 2208 | return False | |
| 2209 | ||
| 2210 | ||
| 2211 | class Neighbor(NetlinkPacket): | |
| 2212 | """ | |
| 2213 | Service Header | |
| 2214 | ||
| 2215 | 0 1 2 3 | |
| 2216 | 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 | |
| 2217 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2218 | | Family | Reserved1 | Reserved2 | | |
| 2219 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2220 | | Interface Index | | |
| 2221 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2222 | | State | Flags | Type | | |
| 2223 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2224 | """ | |
| 2225 | ||
| 2226 | # Neighbor attributes | |
| 2227 | # /usr/include/linux/neighbour.h | |
| 2228 | NDA_UNSPEC = 0x00 # Unknown type | |
| 2229 | NDA_DST = 0x01 # A neighbour cache network. layer destination address | |
| 2230 | NDA_LLADDR = 0x02 # A neighbor cache link layer address. | |
| 2231 | NDA_CACHEINFO = 0x03 # Cache statistics | |
| 2232 | NDA_PROBES = 0x04 | |
| 2233 | NDA_VLAN = 0x05 | |
| 2234 | NDA_PORT = 0x06 | |
| 2235 | NDA_VNI = 0x07 | |
| 2236 | NDA_IFINDEX = 0x08 | |
| 2237 | NDA_MASTER = 0x09 | |
| 2238 | NDA_LINK_NETNSID = 0x0A | |
| 2239 | ||
| 2240 | attribute_to_class = { | |
| 2241 | NDA_UNSPEC : ('NDA_UNSPEC', AttributeGeneric), | |
| 2242 | NDA_DST : ('NDA_DST', AttributeIPAddress), | |
| 2243 | NDA_LLADDR : ('NDA_LLADDR', AttributeMACAddress), | |
| 2244 | NDA_CACHEINFO : ('NDA_CACHEINFO', AttributeGeneric), | |
| 2245 | NDA_PROBES : ('NDA_PROBES', AttributeFourByteValue), | |
| 2246 | NDA_VLAN : ('NDA_VLAN', AttributeGeneric), | |
| 2247 | NDA_PORT : ('NDA_PORT', AttributeGeneric), | |
| 2248 | NDA_VNI : ('NDA_VNI', AttributeGeneric), | |
| 2249 | NDA_IFINDEX : ('NDA_IFINDEX', AttributeGeneric), | |
| 2250 | NDA_MASTER : ('NDA_MASTER', AttributeGeneric), | |
| 2251 | NDA_LINK_NETNSID : ('NDA_LINK_NETNSID', AttributeGeneric) | |
| 2252 | } | |
| 2253 | ||
| 2254 | # Neighbor flags | |
| 2255 | # /usr/include/linux/neighbour.h | |
| 2256 | NTF_USE = 0x01 | |
| 2257 | NTF_PROXY = 0x08 # A proxy ARP entry | |
| 2258 | NTF_ROUTER = 0x80 # An IPv6 router | |
| 2259 | ||
| 2260 | flag_to_string = { | |
| 2261 | NTF_USE : 'NTF_USE', | |
| 2262 | NTF_PROXY : 'NTF_PROXY', | |
| 2263 | NTF_ROUTER : 'NTF_ROUTER' | |
| 2264 | } | |
| 2265 | ||
| 2266 | # Neighbor states | |
| 2267 | # /usr/include/linux/neighbour.h | |
| 2268 | NUD_NONE = 0x00 | |
| 2269 | NUD_INCOMPLETE = 0x01 # Still attempting to resolve | |
| 2270 | NUD_REACHABLE = 0x02 # A confirmed working cache entry | |
| 2271 | NUD_STALE = 0x04 # an expired cache entry | |
| 2272 | NUD_DELAY = 0x08 # Neighbor no longer reachable. Traffic sent, waiting for confirmatio. | |
| 2273 | NUD_PROBE = 0x10 # A cache entry that is currently being re-solicited | |
| 2274 | NUD_FAILED = 0x20 # An invalid cache entry | |
| 2275 | NUD_NOARP = 0x40 # A device which does not do neighbor discovery(ARP) | |
| 2276 | NUD_PERMANENT = 0x80 # A static entry | |
| 2277 | ||
| 2278 | state_to_string = { | |
| 2279 | NUD_NONE : 'NUD_NONE', | |
| 2280 | NUD_INCOMPLETE : 'NUD_INCOMPLETE', | |
| 2281 | NUD_REACHABLE : 'NUD_REACHABLE', | |
| 2282 | NUD_STALE : 'NUD_STALE', | |
| 2283 | NUD_DELAY : 'NUD_DELAY', | |
| 2284 | NUD_PROBE : 'NUD_PROBE', | |
| 2285 | NUD_FAILED : 'NUD_FAILED', | |
| 2286 | NUD_NOARP : 'NUD_NOARP', | |
| 2287 | NUD_PERMANENT : 'NUD_PERMANENT' | |
| 2288 | } | |
| 2289 | ||
| 2290 | def __init__(self, msgtype, debug=False, logger=None): | |
| 2291 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
| 2292 | self.PACK = 'BxxxiHBB' | |
| 2293 | self.LEN = calcsize(self.PACK) | |
| 2294 | ||
| 2295 | def get_state_string(self, index): | |
| 2296 | return self.get_string(self.state_to_string, index) | |
| 2297 | ||
| 2298 | def decode_service_header(self): | |
| 2299 | ||
| 2300 | # Nothing to do if the message did not contain a service header | |
| 2301 | if self.length == self.header_LEN: | |
| 2302 | return | |
| 2303 | ||
| 2304 | (self.family, | |
| 2305 | self.ifindex, | |
| 2306 | self.state, self.flags, self.neighbor_type) = \ | |
| 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 | ||
| 2313 | for x in range(0, self.LEN/4): | |
| 2314 | if self.line_number == 5: | |
| 2315 | extra = "Family %s (%d)" % (zfilled_hex(self.family, 2), self.family) | |
| 2316 | elif self.line_number == 6: | |
| 2317 | extra = "Interface Index %s (%d)" % (zfilled_hex(self.ifindex, 8), self.ifindex) | |
| 2318 | elif self.line_number == 7: | |
| 2319 | extra = "State %s (%d), Flags %s, Type %s (%d)" % \ | |
| 2320 | (zfilled_hex(self.state, 4), self.state, | |
| 2321 | zfilled_hex(self.flags, 2), | |
| 2322 | zfilled_hex(self.neighbor_type, 4), self.neighbor_type) | |
| 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 | ||
| 2332 | class Route(NetlinkPacket): | |
| 2333 | """ | |
| 2334 | Service Header | |
| 2335 | ||
| 2336 | 0 1 2 3 | |
| 2337 | 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 | |
| 2338 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2339 | | Family | Dest length | Src length | TOS | | |
| 2340 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2341 | | Table ID | Protocol | Scope | Type | | |
| 2342 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2343 | | Flags | | |
| 2344 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| 2345 | """ | |
| 2346 | ||
| 2347 | # Route attributes | |
| 2348 | # /usr/include/linux/rtnetlink.h | |
| 2349 | RTA_UNSPEC = 0x00 # Ignored. | |
| 2350 | RTA_DST = 0x01 # Protocol address for route destination address. | |
| 2351 | RTA_SRC = 0x02 # Protocol address for route source address. | |
| 2352 | RTA_IIF = 0x03 # Input interface index. | |
| 2353 | RTA_OIF = 0x04 # Output interface index. | |
| 2354 | RTA_GATEWAY = 0x05 # Protocol address for the gateway of the route | |
| 2355 | RTA_PRIORITY = 0x06 # Priority of broker. | |
| 2356 | RTA_PREFSRC = 0x07 # Preferred source address in cases where more than one source address could be used. | |
| 2357 | RTA_METRICS = 0x08 # Route metrics attributed to route and associated protocols(e.g., RTT, initial TCP window, etc.). | |
| 2358 | RTA_MULTIPATH = 0x09 # Multipath route next hop's attributes. | |
| 2359 | RTA_PROTOINFO = 0x0A # Firewall based policy routing attribute. | |
| 2360 | RTA_FLOW = 0x0B # Route realm. | |
| 2361 | RTA_CACHEINFO = 0x0C # Cached route information. | |
| 2362 | RTA_SESSION = 0x0D | |
| 2363 | RTA_MP_ALGO = 0x0E | |
| 2364 | RTA_TABLE = 0x0F | |
| 2365 | RTA_MARK = 0x10 | |
| 2366 | ||
| 2367 | attribute_to_class = { | |
| 2368 | RTA_UNSPEC : ('RTA_UNSPEC', AttributeGeneric), | |
| 2369 | RTA_DST : ('RTA_DST', AttributeIPAddress), | |
| 2370 | RTA_SRC : ('RTA_SRC', AttributeIPAddress), | |
| 2371 | RTA_IIF : ('RTA_IIF', AttributeFourByteValue), | |
| 2372 | RTA_OIF : ('RTA_OIF', AttributeFourByteValue), | |
| 2373 | RTA_GATEWAY : ('RTA_GATEWAY', AttributeIPAddress), | |
| 2374 | RTA_PRIORITY : ('RTA_PRIORITY', AttributeFourByteValue), | |
| 2375 | RTA_PREFSRC : ('RTA_PREFSRC', AttributeIPAddress), | |
| 2376 | RTA_METRICS : ('RTA_METRICS', AttributeGeneric), | |
| 2377 | RTA_MULTIPATH : ('RTA_MULTIPATH', AttributeRTA_MULTIPATH), | |
| 2378 | RTA_PROTOINFO : ('RTA_PROTOINFO', AttributeGeneric), | |
| 2379 | RTA_FLOW : ('RTA_FLOW', AttributeGeneric), | |
| 2380 | RTA_CACHEINFO : ('RTA_CACHEINFO', AttributeGeneric), | |
| 2381 | RTA_SESSION : ('RTA_SESSION', AttributeGeneric), | |
| 2382 | RTA_MP_ALGO : ('RTA_MP_ALGO', AttributeGeneric), | |
| 2383 | RTA_TABLE : ('RTA_TABLE', AttributeFourByteValue), | |
| 2384 | RTA_MARK : ('RTA_MARK', AttributeGeneric) | |
| 2385 | } | |
| 2386 | ||
| 2387 | # Route tables | |
| 2388 | # /usr/include/linux/rtnetlink.h | |
| 2389 | RT_TABLE_UNSPEC = 0x00 # An unspecified routing table | |
| 2390 | RT_TABLE_COMPAT = 0xFC | |
| 2391 | RT_TABLE_DEFAULT = 0xFD # The default table | |
| 2392 | RT_TABLE_MAIN = 0xFE # The main table | |
| 2393 | RT_TABLE_LOCAL = 0xFF # The local table | |
| 2394 | ||
| 2395 | table_to_string = { | |
| 2396 | RT_TABLE_UNSPEC : 'RT_TABLE_UNSPEC', | |
| 2397 | RT_TABLE_COMPAT : 'RT_TABLE_COMPAT', | |
| 2398 | RT_TABLE_DEFAULT : 'RT_TABLE_DEFAULT', | |
| 2399 | RT_TABLE_MAIN : 'RT_TABLE_MAIN', | |
| 2400 | RT_TABLE_LOCAL : 'RT_TABLE_LOCAL' | |
| 2401 | } | |
| 2402 | ||
| 2403 | # Route scope | |
| 2404 | # /usr/include/linux/rtnetlink.h | |
| 2405 | RT_SCOPE_UNIVERSE = 0x00 # Global route | |
| 2406 | RT_SCOPE_SITE = 0xC8 # Interior route in the local autonomous system | |
| 2407 | RT_SCOPE_LINK = 0xFD # Route on this link | |
| 2408 | RT_SCOPE_HOST = 0xFE # Route on the local host | |
| 2409 | RT_SCOPE_NOWHERE = 0xFF # Destination does not exist | |
| 2410 | ||
| 2411 | scope_to_string = { | |
| 2412 | RT_SCOPE_UNIVERSE : 'RT_SCOPE_UNIVERSE', | |
| 2413 | RT_SCOPE_SITE : 'RT_SCOPE_SITE', | |
| 2414 | RT_SCOPE_LINK : 'RT_SCOPE_LINK', | |
| 2415 | RT_SCOPE_HOST : 'RT_SCOPE_HOST', | |
| 2416 | RT_SCOPE_NOWHERE : 'RT_SCOPE_NOWHERE' | |
| 2417 | } | |
| 2418 | ||
| 2419 | # Routing stack | |
| 2420 | # /usr/include/linux/rtnetlink.h | |
| 2421 | RT_PROT_UNSPEC = 0x00 # Identifies what/who added the route | |
| 2422 | RT_PROT_REDIRECT = 0x01 # By an ICMP redirect | |
| 2423 | RT_PROT_KERNEL = 0x02 # By the kernel | |
| 2424 | RT_PROT_BOOT = 0x03 # During bootup | |
| 2425 | RT_PROT_STATIC = 0x04 # By the administrator | |
| 2426 | RT_PROT_GATED = 0x08 # GateD | |
| 2427 | RT_PROT_RA = 0x09 # RDISC/ND router advertissements | |
| 2428 | RT_PROT_MRT = 0x0A # Merit MRT | |
| 2429 | RT_PROT_ZEBRA = 0x0B # ZEBRA | |
| 2430 | RT_PROT_BIRD = 0x0C # BIRD | |
| 2431 | RT_PROT_DNROUTED = 0x0D # DECnet routing daemon | |
| 2432 | RT_PROT_XORP = 0x0E # XORP | |
| 2433 | RT_PROT_NTK = 0x0F # Netsukuku | |
| 2434 | RT_PROT_DHCP = 0x10 # DHCP client | |
| 2435 | RT_PROT_EXABGP = 0x11 # Exa Networks ExaBGP | |
| 2436 | ||
| 2437 | prot_to_string = { | |
| 2438 | RT_PROT_UNSPEC : 'RT_PROT_UNSPEC', | |
| 2439 | RT_PROT_REDIRECT : 'RT_PROT_REDIRECT', | |
| 2440 | RT_PROT_KERNEL : 'RT_PROT_KERNEL', | |
| 2441 | RT_PROT_BOOT : 'RT_PROT_BOOT', | |
| 2442 | RT_PROT_STATIC : 'RT_PROT_STATIC', | |
| 2443 | RT_PROT_GATED : 'RT_PROT_GATED', | |
| 2444 | RT_PROT_RA : 'RT_PROT_RA', | |
| 2445 | RT_PROT_MRT : 'RT_PROT_MRT', | |
| 2446 | RT_PROT_ZEBRA : 'RT_PROT_ZEBRA', | |
| 2447 | RT_PROT_BIRD : 'RT_PROT_BIRD', | |
| 2448 | RT_PROT_DNROUTED : 'RT_PROT_DNROUTED', | |
| 2449 | RT_PROT_XORP : 'RT_PROT_XORP', | |
| 2450 | RT_PROT_NTK : 'RT_PROT_NTK', | |
| 2451 | RT_PROT_DHCP : 'RT_PROT_DHCP', | |
| 2452 | RT_PROT_EXABGP : 'RT_PROT_EXABGP' | |
| 2453 | } | |
| 2454 | ||
| 2455 | # Route types | |
| 2456 | # /usr/include/linux/rtnetlink.h | |
| 2457 | RTN_UNSPEC = 0x00 # Unknown broker. | |
| 2458 | RTN_UNICAST = 0x01 # A gateway or direct broker. | |
| 2459 | RTN_LOCAL = 0x02 # A local interface broker. | |
| 2460 | RTN_BROADCAST = 0x03 # A local broadcast route(sent as a broadcast). | |
| 2461 | RTN_ANYCAST = 0x04 # An anycast broker. | |
| 2462 | RTN_MULTICAST = 0x05 # A multicast broker. | |
| 2463 | RTN_BLACKHOLE = 0x06 # A silent packet dropping broker. | |
| 2464 | RTN_UNREACHABLE = 0x07 # An unreachable destination. Packets dropped and | |
| 2465 | # host unreachable ICMPs are sent to the originator. | |
| 2466 | RTN_PROHIBIT = 0x08 # A packet rejection broker. Packets are dropped and | |
| 2467 | # communication prohibited ICMPs are sent to the originator. | |
| 2468 | RTN_THROW = 0x09 # When used with policy routing, continue routing lookup | |
| 2469 | # in another table. Under normal routing, packets are | |
| 2470 | # dropped and net unreachable ICMPs are sent to the originator. | |
| 2471 | RTN_NAT = 0x0A # A network address translation rule. | |
| 2472 | RTN_XRESOLVE = 0x0B # Refer to an external resolver(not implemented). | |
| 2473 | ||
| 2474 | rt_type_to_string = { | |
| 2475 | RTN_UNSPEC : 'RTN_UNSPEC', | |
| 2476 | RTN_UNICAST : 'RTN_UNICAST', | |
| 2477 | RTN_LOCAL : 'RTN_LOCAL', | |
| 2478 | RTN_BROADCAST : 'RTN_BROADCAST', | |
| 2479 | RTN_ANYCAST : 'RTN_ANYCAST', | |
| 2480 | RTN_MULTICAST : 'RTN_MULTICAST', | |
| 2481 | RTN_BLACKHOLE : 'RTN_BLACKHOLE', | |
| 2482 | RTN_UNREACHABLE : 'RTN_UNREACHABLE', | |
| 2483 | RTN_PROHIBIT : 'RTN_PROHIBIT', | |
| 2484 | RTN_THROW : 'RTN_THROW', | |
| 2485 | RTN_NAT : 'RTN_NAT', | |
| 2486 | RTN_XRESOLVE : 'RTN_XRESOLVE' | |
| 2487 | } | |
| 2488 | ||
| 2489 | # Route flags | |
| 2490 | # /usr/include/linux/rtnetlink.h | |
| 2491 | RTM_F_NOTIFY = 0x100 # If the route changes, notify the user | |
| 2492 | RTM_F_CLONED = 0x200 # Route is cloned from another route | |
| 2493 | RTM_F_EQUALIZE = 0x400 # Allow randomization of next hop path in multi-path routing(currently not implemented) | |
| 2494 | RTM_F_PREFIX = 0x800 # Prefix Address | |
| 2495 | ||
| 2496 | flag_to_string = { | |
| 2497 | RTM_F_NOTIFY : 'RTM_F_NOTIFY', | |
| 2498 | RTM_F_CLONED : 'RTM_F_CLONED', | |
| 2499 | RTM_F_EQUALIZE : 'RTM_F_EQUALIZE', | |
| 2500 | RTM_F_PREFIX : 'RTM_F_PREFIX' | |
| 2501 | } | |
| 2502 | ||
| 2503 | def __init__(self, msgtype, debug=False, logger=None): | |
| 2504 | NetlinkPacket.__init__(self, msgtype, debug, logger) | |
| 2505 | self.PACK = '=8BI' # or is it 8Bi ? | |
| 2506 | self.LEN = calcsize(self.PACK) | |
| 2507 | self.family = None | |
| 2508 | ||
| 2509 | def get_prefix_string(self): | |
| 2510 | dst = self.get_attribute_value(self.RTA_DST) | |
| 2511 | ||
| 2512 | if dst: | |
| 2513 | return "%s/%d" % (dst, self.src_len) | |
| 2514 | else: | |
| 2515 | if self.family == AF_INET: | |
| 2516 | return "0.0.0.0/0" | |
| 2517 | elif self.family == AF_INET6: | |
| 2518 | return "::/0" | |
| 2519 | ||
| 2520 | def get_protocol_string(self, index=None): | |
| 2521 | if index is None: | |
| 2522 | index = self.protocol | |
| 2523 | return self.get_string(self.prot_to_string, index) | |
| 2524 | ||
| 2525 | def get_rt_type_string(self, index=None): | |
| 2526 | if index is None: | |
| 2527 | index = self.route_type | |
| 2528 | return self.get_string(self.rt_type_to_string, index) | |
| 2529 | ||
| 2530 | def get_scope_string(self, index=None): | |
| 2531 | if index is None: | |
| 2532 | index = self.scope | |
| 2533 | return self.get_string(self.scope_to_string, index) | |
| 2534 | ||
| 2535 | def get_table_id_string(self, index=None): | |
| 2536 | if index is None: | |
| 2537 | index = self.table_id | |
| 2538 | return self.get_string(self.table_to_string, index) | |
| 2539 | ||
| 2540 | def _get_ifname_from_index(self, ifindex, ifname_by_index): | |
| 2541 | if ifindex: | |
| 2542 | ifname = ifname_by_index.get(ifindex) | |
| 2543 | ||
| 2544 | if ifname is None: | |
| 2545 | ifname = str(ifindex) | |
| 2546 | else: | |
| 2547 | ifname = None | |
| 2548 | ||
| 2549 | return ifname | |
| 2550 | ||
| 2551 | def get_nexthops(self, ifname_by_index={}): | |
| 2552 | nexthop = self.get_attribute_value(self.RTA_GATEWAY) | |
| 2553 | multipath = self.get_attribute_value(self.RTA_MULTIPATH) | |
| 2554 | nexthops = [] | |
| 2555 | ||
| 2556 | if nexthop: | |
| 2557 | rta_oif = self.get_attribute_value(self.RTA_OIF) | |
| 2558 | ifname = self._get_ifname_from_index(rta_oif, ifname_by_index) | |
| 2559 | nexthops.append((nexthop, ifname)) | |
| 2560 | ||
| 2561 | elif multipath: | |
| 2562 | for (nexthop, rtnh_ifindex, rtnh_flags, rtnh_hops) in multipath: | |
| 2563 | ifname = self._get_ifname_from_index(rtnh_ifindex, ifname_by_index) | |
| 2564 | nexthops.append((nexthop, ifname)) | |
| 2565 | ||
| 2566 | return nexthops | |
| 2567 | ||
| 2568 | def get_nexthops_string(self, ifname_by_index={}): | |
| 2569 | output = [] | |
| 2570 | ||
| 2571 | for (nexthop, ifname) in self.get_nexthops(ifname_by_index): | |
| 2572 | output.append(" via %s on %s" % (nexthop, ifname)) | |
| 2573 | ||
| 2574 | return ",".join(output) | |
| 2575 | ||
| 2576 | def decode_service_header(self): | |
| 2577 | ||
| 2578 | # Nothing to do if the message did not contain a service header | |
| 2579 | if self.length == self.header_LEN: | |
| 2580 | return | |
| 2581 | ||
| 2582 | (self.family, self.src_len, self.dst_len, self.tos, | |
| 2583 | self.table_id, self.protocol, self.scope, self.route_type, | |
| 2584 | self.flags) = \ | |
| 2585 | unpack(self.PACK, self.msg_data[:self.LEN]) | |
| 2586 | ||
| 2587 | if self.debug: | |
| 2588 | color = yellow | |
| 2589 | self.dump_buffer.append(" \033[%dmService Header\033[0m" % color) | |
| 2590 | ||
| 2591 | for x in range(0, self.LEN/4): | |
| 2592 | if self.line_number == 5: | |
| 2593 | extra = "Family %s (%d), Source Length %s (%d), Destination Length %s (%d), TOS %s (%d)" % \ | |
| 2594 | (zfilled_hex(self.family, 2), self.family, | |
| 2595 | zfilled_hex(self.src_len, 2), self.src_len, | |
| 2596 | zfilled_hex(self.dst_len, 2), self.dst_len, | |
| 2597 | zfilled_hex(self.tos, 2), self.tos) | |
| 2598 | elif self.line_number == 6: | |
| 2599 | extra = "Table ID %s (%d - %s), Protocol %s (%d - %s), Scope %s (%d - %s), Type %s (%d - %s)" % \ | |
| 2600 | (zfilled_hex(self.table_id, 2), self.table_id, self.get_table_id_string(), | |
| 2601 | zfilled_hex(self.protocol, 2), self.protocol, self.get_protocol_string(), | |
| 2602 | zfilled_hex(self.scope, 2), self.scope, self.get_scope_string(), | |
| 2603 | zfilled_hex(self.route_type, 2), self.route_type, self.get_rt_type_string()) | |
| 2604 | elif self.line_number == 7: | |
| 2605 | extra = "Flags %s" % zfilled_hex(self.flags, 8) | |
| 2606 | else: | |
| 2607 | extra = "Unexpected line number %d" % self.line_number | |
| 2608 | ||
| 2609 | start = x * 4 | |
| 2610 | end = start + 4 | |
| 2611 | self.dump_buffer.append(data_to_color_text(self.line_number, color, self.msg_data[start:end], extra)) | |
| 2612 | self.line_number += 1 |