Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | // |
| 5 | // This code is derived from the 'iw' source code. The copyright and license |
| 6 | // of that code is as follows: |
| 7 | // |
| 8 | // Copyright (c) 2007, 2008 Johannes Berg |
| 9 | // Copyright (c) 2007 Andy Lutomirski |
| 10 | // Copyright (c) 2007 Mike Kershaw |
| 11 | // Copyright (c) 2008-2009 Luis R. Rodriguez |
| 12 | // |
| 13 | // Permission to use, copy, modify, and/or distribute this software for any |
| 14 | // purpose with or without fee is hereby granted, provided that the above |
| 15 | // copyright notice and this permission notice appear in all copies. |
| 16 | // |
| 17 | // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 18 | // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 19 | // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 20 | // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 21 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 22 | // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 23 | // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 24 | |
| 25 | #include "shill/user_bound_nlmessage.h" |
| 26 | |
| 27 | #include <ctype.h> |
| 28 | #include <endian.h> |
| 29 | #include <errno.h> |
| 30 | |
| 31 | #include <netinet/in.h> |
| 32 | #include <linux/nl80211.h> |
| 33 | #include <net/if.h> |
| 34 | #include <netlink/attr.h> |
| 35 | #include <netlink/genl/ctrl.h> |
| 36 | #include <netlink/genl/family.h> |
| 37 | #include <netlink/genl/genl.h> |
| 38 | #include <netlink/msg.h> |
| 39 | #include <netlink/netlink.h> |
| 40 | |
| 41 | #include <iomanip> |
| 42 | #include <string> |
| 43 | |
| 44 | #include <base/format_macros.h> |
| 45 | #include <base/stl_util.h> |
| 46 | #include <base/stringprintf.h> |
| 47 | |
| 48 | #include "shill/ieee80211.h" |
| 49 | #include "shill/logging.h" |
| 50 | #include "shill/scope_logger.h" |
| 51 | |
| 52 | using base::LazyInstance; |
| 53 | using base::StringAppendF; |
| 54 | using base::StringPrintf; |
| 55 | using std::map; |
| 56 | using std::string; |
| 57 | using std::vector; |
| 58 | |
| 59 | namespace shill { |
| 60 | |
| 61 | namespace { |
| 62 | LazyInstance<UserBoundNlMessageDataCollector> g_datacollector = |
| 63 | LAZY_INSTANCE_INITIALIZER; |
| 64 | } // namespace |
| 65 | |
| 66 | const uint8_t UserBoundNlMessage::kCommand = 0xff; |
| 67 | const char UserBoundNlMessage::kCommandString[] = "<Unknown Message>"; |
| 68 | const char UserBoundNlMessage::kBogusMacAddress[]="XX:XX:XX:XX:XX:XX"; |
| 69 | |
| 70 | const uint8_t Nl80211Frame::kMinimumFrameByteCount = 26; |
| 71 | const uint8_t Nl80211Frame::kFrameTypeMask = 0xfc; |
| 72 | |
| 73 | const uint32_t UserBoundNlMessage::kIllegalMessage = 0xFFFFFFFF; |
| 74 | const int UserBoundNlMessage::kEthernetAddressBytes = 6; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 75 | map<uint16_t, string> *UserBoundNlMessage::reason_code_string_ = NULL; |
| 76 | map<uint16_t, string> *UserBoundNlMessage::status_code_string_ = NULL; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 77 | |
| 78 | // The nl messages look like this: |
| 79 | // |
| 80 | // XXXXXXXXXXXXXXXXXXX-nlmsg_total_size-XXXXXXXXXXXXXXXXXXX |
| 81 | // XXXXXXXXXXXXXXXXXXX-nlmsg_msg_size-XXXXXXXXXXXXXXXXXXX |
| 82 | // +-- gnhl nlmsg_tail(hdr) --+ |
| 83 | // | nlmsg_next(hdr) --+ |
| 84 | // v XXXXXXXXXXXX-nlmsg_len-XXXXXXXXXXXXXX V |
| 85 | // -----+-----+-+----------------------------------------------+-++---- |
| 86 | // ... | | | payload | || |
| 87 | // | | +------+-+--------+-+--------------------------+ || |
| 88 | // | nl | | | | | | attribs | || |
| 89 | // | msg |p| genl |p| family |p+------+-+-------+-+-------+p|| ... |
| 90 | // | hdr |a| msg |a| header |a| nl |p| pay |p| |a|| |
| 91 | // | |d| hdr |d| |d| attr |a| load |a| ... |d|| |
| 92 | // | | | | | | | |d| |d| | || |
| 93 | // -----+-----+-+----------------------------------------------+-++---- |
| 94 | // ^ ^ ^ ^ |
| 95 | // | | | XXXXXXX <-- nla_len(nlattr) |
| 96 | // | | | +-- nla_data(nlattr) |
| 97 | // | | X-nla_total_size-X |
| 98 | // | | XXXXX-nlmsg_attrlen-XXXXXX |
| 99 | // | +-- nlmsg_data(hdr) +-- nlmsg_attrdata() |
| 100 | // +-- msg = nlmsg_hdr(raw_message) |
| 101 | |
| 102 | // |
| 103 | // UserBoundNlMessage |
| 104 | // |
| 105 | |
| 106 | UserBoundNlMessage::~UserBoundNlMessage() { |
| 107 | map<enum nl80211_attrs, nlattr *>::iterator i; |
| 108 | for (i = attributes_.begin(); i != attributes_.end(); ++i) { |
| 109 | delete [] reinterpret_cast<uint8_t *>(i->second); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | bool UserBoundNlMessage::Init(nlattr *tb[NL80211_ATTR_MAX + 1], |
| 114 | nlmsghdr *msg) { |
| 115 | if (!tb) { |
| 116 | LOG(ERROR) << "Null |tb| parameter"; |
| 117 | return false; |
| 118 | } |
| 119 | |
| 120 | message_ = msg; |
| 121 | |
| 122 | SLOG(WiFi, 6) << "NL Message " << GetId() << " <==="; |
| 123 | |
| 124 | for (int i = 0; i < NL80211_ATTR_MAX + 1; ++i) { |
| 125 | if (tb[i]) { |
| 126 | AddAttribute(static_cast<enum nl80211_attrs>(i), tb[i]); |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | // Convert integer values provided by libnl (for example, from the |
| 131 | // NL80211_ATTR_STATUS_CODE or NL80211_ATTR_REASON_CODE attribute) into |
| 132 | // strings describing the status. |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 133 | if (!reason_code_string_) { |
| 134 | reason_code_string_ = new map<uint16_t, string>; |
| 135 | (*reason_code_string_)[IEEE_80211::kReasonCodeUnspecified] = |
| 136 | "Unspecified reason"; |
| 137 | (*reason_code_string_)[ |
| 138 | IEEE_80211::kReasonCodePreviousAuthenticationInvalid] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 139 | "Previous authentication no longer valid"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 140 | (*reason_code_string_)[IEEE_80211::kReasonCodeSenderHasLeft] = |
| 141 | "Deauthentcated because sending STA is leaving (or has left) IBSS or " |
| 142 | "ESS"; |
| 143 | (*reason_code_string_)[IEEE_80211::kReasonCodeInactivity] = |
| 144 | "Disassociated due to inactivity"; |
| 145 | (*reason_code_string_)[IEEE_80211::kReasonCodeTooManySTAs] = |
| 146 | "Disassociated because AP is unable to handle all currently associated " |
| 147 | "STAs"; |
| 148 | (*reason_code_string_)[IEEE_80211::kReasonCodeNonAuthenticated] = |
| 149 | "Class 2 frame received from nonauthenticated STA"; |
| 150 | (*reason_code_string_)[IEEE_80211::kReasonCodeNonAssociated] = |
| 151 | "Class 3 frame received from nonassociated STA"; |
| 152 | (*reason_code_string_)[IEEE_80211::kReasonCodeDisassociatedHasLeft] = |
| 153 | "Disassociated because sending STA is leaving (or has left) BSS"; |
| 154 | (*reason_code_string_)[ |
| 155 | IEEE_80211::kReasonCodeReassociationNotAuthenticated] = |
| 156 | "STA requesting (re)association is not authenticated with responding " |
| 157 | "STA"; |
| 158 | (*reason_code_string_)[IEEE_80211::kReasonCodeUnacceptablePowerCapability] = |
| 159 | "Disassociated because the information in the Power Capability " |
| 160 | "element is unacceptable"; |
| 161 | (*reason_code_string_)[ |
| 162 | IEEE_80211::kReasonCodeUnacceptableSupportedChannelInfo] = |
| 163 | "Disassociated because the information in the Supported Channels " |
| 164 | "element is unacceptable"; |
| 165 | (*reason_code_string_)[IEEE_80211::kReasonCodeInvalidInfoElement] = |
| 166 | "Invalid information element, i.e., an information element defined in " |
| 167 | "this standard for which the content does not meet the specifications " |
| 168 | "in Clause 7"; |
| 169 | (*reason_code_string_)[IEEE_80211::kReasonCodeMICFailure] = |
| 170 | "Message integrity code (MIC) failure"; |
| 171 | (*reason_code_string_)[IEEE_80211::kReasonCode4WayTimeout] = |
| 172 | "4-Way Handshake timeout"; |
| 173 | (*reason_code_string_)[IEEE_80211::kReasonCodeGroupKeyHandshakeTimeout] = |
| 174 | "Group Key Handshake timeout"; |
| 175 | (*reason_code_string_)[IEEE_80211::kReasonCodeDifferenIE] = |
| 176 | "Information element in 4-Way Handshake different from " |
| 177 | "(Re)Association Request/Probe Response/Beacon frame"; |
| 178 | (*reason_code_string_)[IEEE_80211::kReasonCodeGroupCipherInvalid] = |
| 179 | "Invalid group cipher"; |
| 180 | (*reason_code_string_)[IEEE_80211::kReasonCodePairwiseCipherInvalid] = |
| 181 | "Invalid pairwise cipher"; |
| 182 | (*reason_code_string_)[IEEE_80211::kReasonCodeAkmpInvalid] = |
| 183 | "Invalid AKMP"; |
| 184 | (*reason_code_string_)[IEEE_80211::kReasonCodeUnsupportedRsnIeVersion] = |
| 185 | "Unsupported RSN information element version"; |
| 186 | (*reason_code_string_)[IEEE_80211::kReasonCodeInvalidRsnIeCaps] = |
| 187 | "Invalid RSN information element capabilities"; |
| 188 | (*reason_code_string_)[IEEE_80211::kReasonCode8021XAuth] = |
| 189 | "IEEE 802.1X authentication failed"; |
| 190 | (*reason_code_string_)[IEEE_80211::kReasonCodeCipherSuiteRejected] = |
| 191 | "Cipher suite rejected because of the security policy"; |
| 192 | (*reason_code_string_)[IEEE_80211::kReasonCodeUnspecifiedQoS] = |
| 193 | "Disassociated for unspecified, QoS-related reason"; |
| 194 | (*reason_code_string_)[IEEE_80211::kReasonCodeQoSBandwidth] = |
| 195 | "Disassociated because QoS AP lacks sufficient bandwidth for this " |
| 196 | "QoS STA"; |
| 197 | (*reason_code_string_)[IEEE_80211::kReasonCodeiPoorConditions] = |
| 198 | "Disassociated because excessive number of frames need to be " |
| 199 | "acknowledged, but are not acknowledged due to AP transmissions " |
| 200 | "and/or poor channel conditions"; |
| 201 | (*reason_code_string_)[IEEE_80211::kReasonCodeOutsideTxop] = |
| 202 | "Disassociated because STA is transmitting outside the limits of its " |
| 203 | "TXOPs"; |
| 204 | (*reason_code_string_)[IEEE_80211::kReasonCodeStaLeaving] = |
| 205 | "Requested from peer STA as the STA is leaving the BSS (or resetting)"; |
| 206 | (*reason_code_string_)[IEEE_80211::kReasonCodeUnacceptableMechanism] = |
| 207 | "Requested from peer STA as it does not want to use the mechanism"; |
| 208 | (*reason_code_string_)[IEEE_80211::kReasonCodeSetupRequired] = |
| 209 | "Requested from peer STA as the STA received frames using the " |
| 210 | "mechanism for which a setup is required"; |
| 211 | (*reason_code_string_)[IEEE_80211::kReasonCodeTimeout] = |
| 212 | "Requested from peer STA due to timeout"; |
| 213 | (*reason_code_string_)[IEEE_80211::kReasonCodeCipherSuiteNotSupported] = |
| 214 | "Peer STA does not support the requested cipher suite"; |
| 215 | (*reason_code_string_)[IEEE_80211::kReasonCodeInvalid] = "<INVALID REASON>"; |
| 216 | } |
| 217 | |
| 218 | if (!status_code_string_) { |
| 219 | status_code_string_ = new map<uint16_t, string>; |
| 220 | (*status_code_string_)[IEEE_80211::kStatusCodeSuccessful] = "Successful"; |
| 221 | (*status_code_string_)[IEEE_80211::kStatusCodeFailure] = |
| 222 | "Unspecified failure"; |
| 223 | (*status_code_string_)[IEEE_80211::kStatusCodeAllCapabilitiesNotSupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 224 | "Cannot support all requested capabilities in the capability " |
| 225 | "information field"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 226 | (*status_code_string_)[IEEE_80211::kStatusCodeCantConfirmAssociation] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 227 | "Reassociation denied due to inability to confirm that association " |
| 228 | "exists"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 229 | (*status_code_string_)[IEEE_80211::kStatusCodeAssociationDenied] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 230 | "Association denied due to reason outside the scope of this standard"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 231 | (*status_code_string_)[ |
| 232 | IEEE_80211::kStatusCodeAuthenticationUnsupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 233 | "Responding station does not support the specified authentication " |
| 234 | "algorithm"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 235 | (*status_code_string_)[IEEE_80211::kStatusCodeOutOfSequence] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 236 | "Received an authentication frame with authentication transaction " |
| 237 | "sequence number out of expected sequence"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 238 | (*status_code_string_)[IEEE_80211::kStatusCodeChallengeFailure] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 239 | "Authentication rejected because of challenge failure"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 240 | (*status_code_string_)[IEEE_80211::kStatusCodeFrameTimeout] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 241 | "Authentication rejected due to timeout waiting for next frame in " |
| 242 | "sequence"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 243 | (*status_code_string_)[IEEE_80211::kStatusCodeMaxSta] = |
| 244 | "Association denied because AP is unable to handle additional " |
| 245 | "associated STA"; |
| 246 | (*status_code_string_)[IEEE_80211::kStatusCodeDataRateUnsupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 247 | "Association denied due to requesting station not supporting all of " |
| 248 | "the data rates in the BSSBasicRateSet parameter"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 249 | (*status_code_string_)[IEEE_80211::kStatusCodeShortPreambleUnsupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 250 | "Association denied due to requesting station not supporting the " |
| 251 | "short preamble option"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 252 | (*status_code_string_)[IEEE_80211::kStatusCodePbccUnsupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 253 | "Association denied due to requesting station not supporting the PBCC " |
| 254 | "modulation option"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 255 | (*status_code_string_)[ |
| 256 | IEEE_80211::kStatusCodeChannelAgilityUnsupported] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 257 | "Association denied due to requesting station not supporting the " |
| 258 | "channel agility option"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 259 | (*status_code_string_)[IEEE_80211::kStatusCodeNeedSpectrumManagement] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 260 | "Association request rejected because Spectrum Management capability " |
| 261 | "is required"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 262 | (*status_code_string_)[ |
| 263 | IEEE_80211::kStatusCodeUnacceptablePowerCapability] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 264 | "Association request rejected because the information in the Power " |
| 265 | "Capability element is unacceptable"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 266 | (*status_code_string_)[ |
| 267 | IEEE_80211::kStatusCodeUnacceptableSupportedChannelInfo] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 268 | "Association request rejected because the information in the " |
| 269 | "Supported Channels element is unacceptable"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 270 | (*status_code_string_)[IEEE_80211::kStatusCodeShortTimeSlotRequired] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 271 | "Association request rejected due to requesting station not " |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 272 | "supporting the Short Slot Time option"; |
| 273 | (*status_code_string_)[IEEE_80211::kStatusCodeDssOfdmRequired] = |
| 274 | "Association request rejected due to requesting station not " |
| 275 | "supporting the DSSS-OFDM option"; |
| 276 | (*status_code_string_)[IEEE_80211::kStatusCodeQosFailure] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 277 | "Unspecified, QoS related failure"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 278 | (*status_code_string_)[ |
| 279 | IEEE_80211::kStatusCodeInsufficientBandwithForQsta] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 280 | "Association denied due to QAP having insufficient bandwidth to handle " |
| 281 | "another QSTA"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 282 | (*status_code_string_)[IEEE_80211::kStatusCodePoorConditions] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 283 | "Association denied due to poor channel conditions"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 284 | (*status_code_string_)[IEEE_80211::kStatusCodeQosNotSupported] = |
| 285 | "Association (with QoS BSS) denied due to requesting station not " |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 286 | "supporting the QoS facility"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 287 | (*status_code_string_)[IEEE_80211::kStatusCodeDeclined] = |
| 288 | "The request has been declined"; |
| 289 | (*status_code_string_)[IEEE_80211::kStatusCodeInvalidParameterValues] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 290 | "The request has not been successful as one or more parameters have " |
| 291 | "invalid values"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 292 | (*status_code_string_)[IEEE_80211::kStatusCodeCannotBeHonored] = |
| 293 | "The TS has not been created because the request cannot be honored. " |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 294 | "However, a suggested Tspec is provided so that the initiating QSTA " |
| 295 | "may attempt to send another TS with the suggested changes to the " |
| 296 | "TSpec"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 297 | (*status_code_string_)[IEEE_80211::kStatusCodeInvalidInfoElement] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 298 | "Invalid Information Element"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 299 | (*status_code_string_)[IEEE_80211::kStatusCodeGroupCipherInvalid] = |
| 300 | "Invalid Group Cipher"; |
| 301 | (*status_code_string_)[IEEE_80211::kStatusCodePairwiseCipherInvalid] = |
| 302 | "Invalid Pairwise Cipher"; |
| 303 | (*status_code_string_)[IEEE_80211::kStatusCodeAkmpInvalid] = "Invalid AKMP"; |
| 304 | (*status_code_string_)[IEEE_80211::kStatusCodeUnsupportedRsnIeVersion] = |
| 305 | "Unsupported RSN Information Element version"; |
| 306 | (*status_code_string_)[IEEE_80211::kStatusCodeInvalidRsnIeCaps] = |
| 307 | "Invalid RSN Information Element Capabilities"; |
| 308 | (*status_code_string_)[IEEE_80211::kStatusCodeCipherSuiteRejected] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 309 | "Cipher suite is rejected per security policy"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 310 | (*status_code_string_)[IEEE_80211::kStatusCodeTsDelayNotMet] = |
| 311 | "The TS has not been created. However, the HC may be capable of " |
| 312 | "creating a TS, in response to a request, after the time indicated in " |
| 313 | "the TS Delay element"; |
| 314 | (*status_code_string_)[IEEE_80211::kStatusCodeDirectLinkIllegal] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 315 | "Direct link is not allowed in the BSS by policy"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 316 | (*status_code_string_)[IEEE_80211::kStatusCodeStaNotInBss] = |
| 317 | "Destination STA is not present within this BSS"; |
| 318 | (*status_code_string_)[IEEE_80211::kStatusCodeStaNotInQsta] = |
| 319 | "The destination STA is not a QoS STA"; |
| 320 | (*status_code_string_)[IEEE_80211::kStatusCodeExcessiveListenInterval] = |
Wade Guthrie | 64b4c14 | 2012-08-20 15:21:01 -0700 | [diff] [blame] | 321 | "Association denied because Listen Interval is too large"; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 322 | (*status_code_string_)[IEEE_80211::kStatusCodeInvalid] = "<INVALID STATUS>"; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | return true; |
| 326 | } |
| 327 | |
| 328 | UserBoundNlMessage::AttributeNameIterator* |
| 329 | UserBoundNlMessage::GetAttributeNameIterator() const { |
| 330 | UserBoundNlMessage::AttributeNameIterator *iter = |
| 331 | new UserBoundNlMessage::AttributeNameIterator(attributes_); |
| 332 | return iter; |
| 333 | } |
| 334 | |
| 335 | // Return true if the attribute is in our map, regardless of the value of |
| 336 | // the attribute, itself. |
| 337 | bool UserBoundNlMessage::AttributeExists(enum nl80211_attrs name) const { |
| 338 | return ContainsKey(attributes_, name); |
| 339 | } |
| 340 | |
| 341 | uint32_t UserBoundNlMessage::GetId() const { |
| 342 | if (!message_) { |
| 343 | return kIllegalMessage; |
| 344 | } |
| 345 | return message_->nlmsg_seq; |
| 346 | } |
| 347 | |
| 348 | enum UserBoundNlMessage::Type |
| 349 | UserBoundNlMessage::GetAttributeType(enum nl80211_attrs name) const { |
| 350 | const nlattr *attr = GetAttribute(name); |
| 351 | if (!attr) { |
| 352 | return kTypeError; |
| 353 | } |
| 354 | |
| 355 | switch (nla_type(attr)) { |
| 356 | case NLA_UNSPEC: return kTypeUnspecified; |
| 357 | case NLA_U8: return kTypeU8; |
| 358 | case NLA_U16: return kTypeU16; |
| 359 | case NLA_U32: return kTypeU32; |
| 360 | case NLA_U64: return kTypeU64; |
| 361 | case NLA_STRING: return kTypeString; |
| 362 | case NLA_FLAG: return kTypeFlag; |
| 363 | case NLA_MSECS: return kTypeMsecs; |
| 364 | case NLA_NESTED: return kTypeNested; |
| 365 | default: return kTypeError; |
| 366 | } |
| 367 | |
| 368 | return kTypeError; |
| 369 | } |
| 370 | |
| 371 | string UserBoundNlMessage::GetAttributeTypeString(enum nl80211_attrs name) |
| 372 | const { |
| 373 | switch (GetAttributeType(name)) { |
| 374 | case kTypeUnspecified: return "Unspecified Type"; break; |
| 375 | case kTypeU8: return "uint8_t"; break; |
| 376 | case kTypeU16: return "uint16_t"; break; |
| 377 | case kTypeU32: return "uint32_t"; break; |
| 378 | case kTypeU64: return "uint64_t"; break; |
| 379 | case kTypeString: return "String"; break; |
| 380 | case kTypeFlag: return "Flag"; break; |
| 381 | case kTypeMsecs: return "MSec Type"; break; |
| 382 | case kTypeNested: return "Nested Type"; break; |
| 383 | case kTypeError: return "ERROR TYPE"; break; |
| 384 | default: return "Funky Type"; break; |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | // Returns the raw attribute data but not the header. |
| 389 | bool UserBoundNlMessage::GetRawAttributeData(enum nl80211_attrs name, |
| 390 | void **value, |
| 391 | int *length) const { |
| 392 | if (!value) { |
| 393 | LOG(ERROR) << "Null |value| parameter"; |
| 394 | return false; |
| 395 | } |
| 396 | |
| 397 | const nlattr *attr = GetAttribute(name); |
| 398 | if (!attr) { |
| 399 | *value = NULL; |
| 400 | return false; |
| 401 | } |
| 402 | |
| 403 | if (length) { |
| 404 | *length = nla_len(attr); |
| 405 | } |
| 406 | *value = nla_data(attr); |
| 407 | return true; |
| 408 | } |
| 409 | |
| 410 | bool UserBoundNlMessage::GetStringAttribute(enum nl80211_attrs name, |
| 411 | string *value) const { |
| 412 | if (!value) { |
| 413 | LOG(ERROR) << "Null |value| parameter"; |
| 414 | return false; |
| 415 | } |
| 416 | |
| 417 | const nlattr *attr = GetAttribute(name); |
| 418 | if (!attr) { |
| 419 | return false; |
| 420 | } |
| 421 | |
| 422 | value->assign(nla_get_string(const_cast<nlattr *>(attr))); |
| 423 | return true; |
| 424 | } |
| 425 | |
| 426 | bool UserBoundNlMessage::GetU8Attribute(enum nl80211_attrs name, |
| 427 | uint8_t *value) const { |
| 428 | if (!value) { |
| 429 | LOG(ERROR) << "Null |value| parameter"; |
| 430 | return false; |
| 431 | } |
| 432 | |
| 433 | const nlattr *attr = GetAttribute(name); |
| 434 | if (!attr) { |
| 435 | return false; |
| 436 | } |
| 437 | |
| 438 | *value = nla_get_u8(const_cast<nlattr *>(attr)); |
| 439 | return true; |
| 440 | } |
| 441 | |
| 442 | bool UserBoundNlMessage::GetU16Attribute(enum nl80211_attrs name, |
| 443 | uint16_t *value) const { |
| 444 | if (!value) { |
| 445 | LOG(ERROR) << "Null |value| parameter"; |
| 446 | return false; |
| 447 | } |
| 448 | |
| 449 | const nlattr *attr = GetAttribute(name); |
| 450 | if (!attr) { |
| 451 | return false; |
| 452 | } |
| 453 | |
| 454 | *value = nla_get_u16(const_cast<nlattr *>(attr)); |
| 455 | return true; |
| 456 | } |
| 457 | |
| 458 | bool UserBoundNlMessage::GetU32Attribute(enum nl80211_attrs name, |
| 459 | uint32_t *value) const { |
| 460 | if (!value) { |
| 461 | LOG(ERROR) << "Null |value| parameter"; |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | const nlattr *attr = GetAttribute(name); |
| 466 | if (!attr) { |
| 467 | return false; |
| 468 | } |
| 469 | |
| 470 | *value = nla_get_u32(const_cast<nlattr *>(attr)); |
| 471 | return true; |
| 472 | } |
| 473 | |
| 474 | bool UserBoundNlMessage::GetU64Attribute(enum nl80211_attrs name, |
| 475 | uint64_t *value) const { |
| 476 | if (!value) { |
| 477 | LOG(ERROR) << "Null |value| parameter"; |
| 478 | return false; |
| 479 | } |
| 480 | |
| 481 | const nlattr *attr = GetAttribute(name); |
| 482 | if (!attr) { |
| 483 | return false; |
| 484 | } |
| 485 | |
| 486 | *value = nla_get_u64(const_cast<nlattr *>(attr)); |
| 487 | return true; |
| 488 | } |
| 489 | |
| 490 | // Helper function to provide a string for a MAC address. |
| 491 | bool UserBoundNlMessage::GetMacAttributeString(enum nl80211_attrs name, |
| 492 | string *value) const { |
| 493 | if (!value) { |
| 494 | LOG(ERROR) << "Null |value| parameter"; |
| 495 | return false; |
| 496 | } |
| 497 | |
| 498 | void *rawdata_void = NULL; |
| 499 | if (!GetRawAttributeData(name, &rawdata_void, NULL)) { |
| 500 | value->assign(kBogusMacAddress); |
| 501 | return false; |
| 502 | } |
| 503 | const uint8_t *rawdata = reinterpret_cast<const uint8_t *>(rawdata_void); |
| 504 | value->assign(StringFromMacAddress(rawdata)); |
| 505 | |
| 506 | return true; |
| 507 | } |
| 508 | |
| 509 | // Helper function to provide a string for NL80211_ATTR_SCAN_FREQUENCIES. |
| 510 | bool UserBoundNlMessage::GetScanFrequenciesAttribute( |
| 511 | enum nl80211_attrs name, vector<uint32_t> *value) const { |
| 512 | if (!value) { |
| 513 | LOG(ERROR) << "Null |value| parameter"; |
| 514 | return false; |
| 515 | } |
| 516 | |
| 517 | value->clear(); |
| 518 | if (AttributeExists(name)) { |
| 519 | void *rawdata = NULL; |
| 520 | int len = 0; |
| 521 | if (GetRawAttributeData(name, &rawdata, &len) && rawdata) { |
| 522 | nlattr *nst = NULL; |
| 523 | nlattr *attr_data = reinterpret_cast<nlattr *>(rawdata); |
| 524 | int rem_nst; |
| 525 | |
| 526 | nla_for_each_attr(nst, attr_data, len, rem_nst) { |
| 527 | value->push_back(nla_get_u32(nst)); |
| 528 | } |
| 529 | } |
| 530 | return true; |
| 531 | } |
| 532 | |
| 533 | return false; |
| 534 | } |
| 535 | |
| 536 | // Helper function to provide a string for NL80211_ATTR_SCAN_SSIDS. |
| 537 | bool UserBoundNlMessage::GetScanSsidsAttribute( |
| 538 | enum nl80211_attrs name, vector<string> *value) const { |
| 539 | if (!value) { |
| 540 | LOG(ERROR) << "Null |value| parameter"; |
| 541 | return false; |
| 542 | } |
| 543 | |
| 544 | if (AttributeExists(name)) { |
| 545 | void *rawdata = NULL; |
| 546 | int len = 0; |
| 547 | if (GetRawAttributeData(name, &rawdata, &len) && rawdata) { |
| 548 | nlattr *nst = NULL; |
| 549 | nlattr *data = reinterpret_cast<nlattr *>(rawdata); |
| 550 | int rem_nst; |
| 551 | |
| 552 | nla_for_each_attr(nst, data, len, rem_nst) { |
| 553 | value->push_back(StringFromSsid(nla_len(nst), |
| 554 | reinterpret_cast<const uint8_t *>( |
| 555 | nla_data(nst))).c_str()); |
| 556 | } |
| 557 | } |
| 558 | return true; |
| 559 | } |
| 560 | |
| 561 | return false; |
| 562 | } |
| 563 | |
| 564 | bool UserBoundNlMessage::GetAttributeString(nl80211_attrs name, |
| 565 | string *param) const { |
| 566 | if (!param) { |
| 567 | LOG(ERROR) << "Null |param| parameter"; |
| 568 | return false; |
| 569 | } |
| 570 | |
| 571 | switch (GetAttributeType(name)) { |
| 572 | case kTypeU8: { |
| 573 | uint8_t value; |
| 574 | if (!GetU8Attribute(name, &value)) |
| 575 | return false; |
| 576 | *param = StringPrintf("%u", value); |
| 577 | break; |
| 578 | } |
| 579 | case kTypeU16: { |
| 580 | uint16_t value; |
| 581 | if (!GetU16Attribute(name, &value)) |
| 582 | return false; |
| 583 | *param = StringPrintf("%u", value); |
| 584 | break; |
| 585 | } |
| 586 | case kTypeU32: { |
| 587 | uint32_t value; |
| 588 | if (!GetU32Attribute(name, &value)) |
| 589 | return false; |
| 590 | *param = StringPrintf("%" PRIu32, value); |
| 591 | break; |
| 592 | } |
| 593 | case kTypeU64: { |
| 594 | uint64_t value; |
| 595 | if (!GetU64Attribute(name, &value)) |
| 596 | return false; |
| 597 | *param = StringPrintf("%" PRIu64, value); |
| 598 | break; |
| 599 | } |
| 600 | case kTypeString: |
| 601 | if (!GetStringAttribute(name, param)) |
| 602 | return false; |
| 603 | break; |
| 604 | |
| 605 | default: |
| 606 | return false; |
| 607 | } |
| 608 | return true; |
| 609 | } |
| 610 | |
| 611 | string UserBoundNlMessage::RawToString(enum nl80211_attrs name) const { |
| 612 | string output = " === RAW: "; |
| 613 | |
| 614 | const nlattr *attr = GetAttribute(name); |
| 615 | if (!attr) { |
| 616 | output.append("<NULL> ==="); |
| 617 | return output; |
| 618 | } |
| 619 | |
| 620 | const char *typestring = NULL; |
| 621 | switch (nla_type(attr)) { |
| 622 | case NLA_UNSPEC: typestring = "NLA_UNSPEC"; break; |
| 623 | case NLA_U8: typestring = "NLA_U8"; break; |
| 624 | case NLA_U16: typestring = "NLA_U16"; break; |
| 625 | case NLA_U32: typestring = "NLA_U32"; break; |
| 626 | case NLA_U64: typestring = "NLA_U64"; break; |
| 627 | case NLA_STRING: typestring = "NLA_STRING"; break; |
| 628 | case NLA_FLAG: typestring = "NLA_FLAG"; break; |
| 629 | case NLA_MSECS: typestring = "NLA_MSECS"; break; |
| 630 | case NLA_NESTED: typestring = "NLA_NESTED"; break; |
| 631 | default: typestring = "<UNKNOWN>"; break; |
| 632 | } |
| 633 | |
| 634 | uint16_t length = nla_len(attr); |
| 635 | uint16_t type = nla_type(attr); |
| 636 | StringAppendF(&output, "len=%u type=(%u)=%s", length, type, typestring); |
| 637 | |
| 638 | const uint8_t *const_data |
| 639 | = reinterpret_cast<const uint8_t *>(nla_data(attr)); |
| 640 | |
| 641 | output.append(" DATA: "); |
| 642 | for (int i =0 ; i < length; ++i) { |
| 643 | StringAppendF(&output, "[%d]=%02x ", |
| 644 | i, *(reinterpret_cast<const uint8_t *>(const_data)+i)); |
| 645 | } |
| 646 | output.append(" ==== "); |
| 647 | return output; |
| 648 | } |
| 649 | |
| 650 | // static |
| 651 | string UserBoundNlMessage::StringFromAttributeName(enum nl80211_attrs name) { |
| 652 | switch (name) { |
| 653 | case NL80211_ATTR_UNSPEC: |
| 654 | return "NL80211_ATTR_UNSPEC"; break; |
| 655 | case NL80211_ATTR_WIPHY: |
| 656 | return "NL80211_ATTR_WIPHY"; break; |
| 657 | case NL80211_ATTR_WIPHY_NAME: |
| 658 | return "NL80211_ATTR_WIPHY_NAME"; break; |
| 659 | case NL80211_ATTR_IFINDEX: |
| 660 | return "NL80211_ATTR_IFINDEX"; break; |
| 661 | case NL80211_ATTR_IFNAME: |
| 662 | return "NL80211_ATTR_IFNAME"; break; |
| 663 | case NL80211_ATTR_IFTYPE: |
| 664 | return "NL80211_ATTR_IFTYPE"; break; |
| 665 | case NL80211_ATTR_MAC: |
| 666 | return "NL80211_ATTR_MAC"; break; |
| 667 | case NL80211_ATTR_KEY_DATA: |
| 668 | return "NL80211_ATTR_KEY_DATA"; break; |
| 669 | case NL80211_ATTR_KEY_IDX: |
| 670 | return "NL80211_ATTR_KEY_IDX"; break; |
| 671 | case NL80211_ATTR_KEY_CIPHER: |
| 672 | return "NL80211_ATTR_KEY_CIPHER"; break; |
| 673 | case NL80211_ATTR_KEY_SEQ: |
| 674 | return "NL80211_ATTR_KEY_SEQ"; break; |
| 675 | case NL80211_ATTR_KEY_DEFAULT: |
| 676 | return "NL80211_ATTR_KEY_DEFAULT"; break; |
| 677 | case NL80211_ATTR_BEACON_INTERVAL: |
| 678 | return "NL80211_ATTR_BEACON_INTERVAL"; break; |
| 679 | case NL80211_ATTR_DTIM_PERIOD: |
| 680 | return "NL80211_ATTR_DTIM_PERIOD"; break; |
| 681 | case NL80211_ATTR_BEACON_HEAD: |
| 682 | return "NL80211_ATTR_BEACON_HEAD"; break; |
| 683 | case NL80211_ATTR_BEACON_TAIL: |
| 684 | return "NL80211_ATTR_BEACON_TAIL"; break; |
| 685 | case NL80211_ATTR_STA_AID: |
| 686 | return "NL80211_ATTR_STA_AID"; break; |
| 687 | case NL80211_ATTR_STA_FLAGS: |
| 688 | return "NL80211_ATTR_STA_FLAGS"; break; |
| 689 | case NL80211_ATTR_STA_LISTEN_INTERVAL: |
| 690 | return "NL80211_ATTR_STA_LISTEN_INTERVAL"; break; |
| 691 | case NL80211_ATTR_STA_SUPPORTED_RATES: |
| 692 | return "NL80211_ATTR_STA_SUPPORTED_RATES"; break; |
| 693 | case NL80211_ATTR_STA_VLAN: |
| 694 | return "NL80211_ATTR_STA_VLAN"; break; |
| 695 | case NL80211_ATTR_STA_INFO: |
| 696 | return "NL80211_ATTR_STA_INFO"; break; |
| 697 | case NL80211_ATTR_WIPHY_BANDS: |
| 698 | return "NL80211_ATTR_WIPHY_BANDS"; break; |
| 699 | case NL80211_ATTR_MNTR_FLAGS: |
| 700 | return "NL80211_ATTR_MNTR_FLAGS"; break; |
| 701 | case NL80211_ATTR_MESH_ID: |
| 702 | return "NL80211_ATTR_MESH_ID"; break; |
| 703 | case NL80211_ATTR_STA_PLINK_ACTION: |
| 704 | return "NL80211_ATTR_STA_PLINK_ACTION"; break; |
| 705 | case NL80211_ATTR_MPATH_NEXT_HOP: |
| 706 | return "NL80211_ATTR_MPATH_NEXT_HOP"; break; |
| 707 | case NL80211_ATTR_MPATH_INFO: |
| 708 | return "NL80211_ATTR_MPATH_INFO"; break; |
| 709 | case NL80211_ATTR_BSS_CTS_PROT: |
| 710 | return "NL80211_ATTR_BSS_CTS_PROT"; break; |
| 711 | case NL80211_ATTR_BSS_SHORT_PREAMBLE: |
| 712 | return "NL80211_ATTR_BSS_SHORT_PREAMBLE"; break; |
| 713 | case NL80211_ATTR_BSS_SHORT_SLOT_TIME: |
| 714 | return "NL80211_ATTR_BSS_SHORT_SLOT_TIME"; break; |
| 715 | case NL80211_ATTR_HT_CAPABILITY: |
| 716 | return "NL80211_ATTR_HT_CAPABILITY"; break; |
| 717 | case NL80211_ATTR_SUPPORTED_IFTYPES: |
| 718 | return "NL80211_ATTR_SUPPORTED_IFTYPES"; break; |
| 719 | case NL80211_ATTR_REG_ALPHA2: |
| 720 | return "NL80211_ATTR_REG_ALPHA2"; break; |
| 721 | case NL80211_ATTR_REG_RULES: |
| 722 | return "NL80211_ATTR_REG_RULES"; break; |
| 723 | case NL80211_ATTR_MESH_CONFIG: |
| 724 | return "NL80211_ATTR_MESH_CONFIG"; break; |
| 725 | case NL80211_ATTR_BSS_BASIC_RATES: |
| 726 | return "NL80211_ATTR_BSS_BASIC_RATES"; break; |
| 727 | case NL80211_ATTR_WIPHY_TXQ_PARAMS: |
| 728 | return "NL80211_ATTR_WIPHY_TXQ_PARAMS"; break; |
| 729 | case NL80211_ATTR_WIPHY_FREQ: |
| 730 | return "NL80211_ATTR_WIPHY_FREQ"; break; |
| 731 | case NL80211_ATTR_WIPHY_CHANNEL_TYPE: |
| 732 | return "NL80211_ATTR_WIPHY_CHANNEL_TYPE"; break; |
| 733 | case NL80211_ATTR_KEY_DEFAULT_MGMT: |
| 734 | return "NL80211_ATTR_KEY_DEFAULT_MGMT"; break; |
| 735 | case NL80211_ATTR_MGMT_SUBTYPE: |
| 736 | return "NL80211_ATTR_MGMT_SUBTYPE"; break; |
| 737 | case NL80211_ATTR_IE: |
| 738 | return "NL80211_ATTR_IE"; break; |
| 739 | case NL80211_ATTR_MAX_NUM_SCAN_SSIDS: |
| 740 | return "NL80211_ATTR_MAX_NUM_SCAN_SSIDS"; break; |
| 741 | case NL80211_ATTR_SCAN_FREQUENCIES: |
| 742 | return "NL80211_ATTR_SCAN_FREQUENCIES"; break; |
| 743 | case NL80211_ATTR_SCAN_SSIDS: |
| 744 | return "NL80211_ATTR_SCAN_SSIDS"; break; |
| 745 | case NL80211_ATTR_GENERATION: |
| 746 | return "NL80211_ATTR_GENERATION"; break; |
| 747 | case NL80211_ATTR_BSS: |
| 748 | return "NL80211_ATTR_BSS"; break; |
| 749 | case NL80211_ATTR_REG_INITIATOR: |
| 750 | return "NL80211_ATTR_REG_INITIATOR"; break; |
| 751 | case NL80211_ATTR_REG_TYPE: |
| 752 | return "NL80211_ATTR_REG_TYPE"; break; |
| 753 | case NL80211_ATTR_SUPPORTED_COMMANDS: |
| 754 | return "NL80211_ATTR_SUPPORTED_COMMANDS"; break; |
| 755 | case NL80211_ATTR_FRAME: |
| 756 | return "NL80211_ATTR_FRAME"; break; |
| 757 | case NL80211_ATTR_SSID: |
| 758 | return "NL80211_ATTR_SSID"; break; |
| 759 | case NL80211_ATTR_AUTH_TYPE: |
| 760 | return "NL80211_ATTR_AUTH_TYPE"; break; |
| 761 | case NL80211_ATTR_REASON_CODE: |
| 762 | return "NL80211_ATTR_REASON_CODE"; break; |
| 763 | case NL80211_ATTR_KEY_TYPE: |
| 764 | return "NL80211_ATTR_KEY_TYPE"; break; |
| 765 | case NL80211_ATTR_MAX_SCAN_IE_LEN: |
| 766 | return "NL80211_ATTR_MAX_SCAN_IE_LEN"; break; |
| 767 | case NL80211_ATTR_CIPHER_SUITES: |
| 768 | return "NL80211_ATTR_CIPHER_SUITES"; break; |
| 769 | case NL80211_ATTR_FREQ_BEFORE: |
| 770 | return "NL80211_ATTR_FREQ_BEFORE"; break; |
| 771 | case NL80211_ATTR_FREQ_AFTER: |
| 772 | return "NL80211_ATTR_FREQ_AFTER"; break; |
| 773 | case NL80211_ATTR_FREQ_FIXED: |
| 774 | return "NL80211_ATTR_FREQ_FIXED"; break; |
| 775 | case NL80211_ATTR_WIPHY_RETRY_SHORT: |
| 776 | return "NL80211_ATTR_WIPHY_RETRY_SHORT"; break; |
| 777 | case NL80211_ATTR_WIPHY_RETRY_LONG: |
| 778 | return "NL80211_ATTR_WIPHY_RETRY_LONG"; break; |
| 779 | case NL80211_ATTR_WIPHY_FRAG_THRESHOLD: |
| 780 | return "NL80211_ATTR_WIPHY_FRAG_THRESHOLD"; break; |
| 781 | case NL80211_ATTR_WIPHY_RTS_THRESHOLD: |
| 782 | return "NL80211_ATTR_WIPHY_RTS_THRESHOLD"; break; |
| 783 | case NL80211_ATTR_TIMED_OUT: |
| 784 | return "NL80211_ATTR_TIMED_OUT"; break; |
| 785 | case NL80211_ATTR_USE_MFP: |
| 786 | return "NL80211_ATTR_USE_MFP"; break; |
| 787 | case NL80211_ATTR_STA_FLAGS2: |
| 788 | return "NL80211_ATTR_STA_FLAGS2"; break; |
| 789 | case NL80211_ATTR_CONTROL_PORT: |
| 790 | return "NL80211_ATTR_CONTROL_PORT"; break; |
| 791 | case NL80211_ATTR_TESTDATA: |
| 792 | return "NL80211_ATTR_TESTDATA"; break; |
| 793 | case NL80211_ATTR_PRIVACY: |
| 794 | return "NL80211_ATTR_PRIVACY"; break; |
| 795 | case NL80211_ATTR_DISCONNECTED_BY_AP: |
| 796 | return "NL80211_ATTR_DISCONNECTED_BY_AP"; break; |
| 797 | case NL80211_ATTR_STATUS_CODE: |
| 798 | return "NL80211_ATTR_STATUS_CODE"; break; |
| 799 | case NL80211_ATTR_CIPHER_SUITES_PAIRWISE: |
| 800 | return "NL80211_ATTR_CIPHER_SUITES_PAIRWISE"; break; |
| 801 | case NL80211_ATTR_CIPHER_SUITE_GROUP: |
| 802 | return "NL80211_ATTR_CIPHER_SUITE_GROUP"; break; |
| 803 | case NL80211_ATTR_WPA_VERSIONS: |
| 804 | return "NL80211_ATTR_WPA_VERSIONS"; break; |
| 805 | case NL80211_ATTR_AKM_SUITES: |
| 806 | return "NL80211_ATTR_AKM_SUITES"; break; |
| 807 | case NL80211_ATTR_REQ_IE: |
| 808 | return "NL80211_ATTR_REQ_IE"; break; |
| 809 | case NL80211_ATTR_RESP_IE: |
| 810 | return "NL80211_ATTR_RESP_IE"; break; |
| 811 | case NL80211_ATTR_PREV_BSSID: |
| 812 | return "NL80211_ATTR_PREV_BSSID"; break; |
| 813 | case NL80211_ATTR_KEY: |
| 814 | return "NL80211_ATTR_KEY"; break; |
| 815 | case NL80211_ATTR_KEYS: |
| 816 | return "NL80211_ATTR_KEYS"; break; |
| 817 | case NL80211_ATTR_PID: |
| 818 | return "NL80211_ATTR_PID"; break; |
| 819 | case NL80211_ATTR_4ADDR: |
| 820 | return "NL80211_ATTR_4ADDR"; break; |
| 821 | case NL80211_ATTR_SURVEY_INFO: |
| 822 | return "NL80211_ATTR_SURVEY_INFO"; break; |
| 823 | case NL80211_ATTR_PMKID: |
| 824 | return "NL80211_ATTR_PMKID"; break; |
| 825 | case NL80211_ATTR_MAX_NUM_PMKIDS: |
| 826 | return "NL80211_ATTR_MAX_NUM_PMKIDS"; break; |
| 827 | case NL80211_ATTR_DURATION: |
| 828 | return "NL80211_ATTR_DURATION"; break; |
| 829 | case NL80211_ATTR_COOKIE: |
| 830 | return "NL80211_ATTR_COOKIE"; break; |
| 831 | case NL80211_ATTR_WIPHY_COVERAGE_CLASS: |
| 832 | return "NL80211_ATTR_WIPHY_COVERAGE_CLASS"; break; |
| 833 | case NL80211_ATTR_TX_RATES: |
| 834 | return "NL80211_ATTR_TX_RATES"; break; |
| 835 | case NL80211_ATTR_FRAME_MATCH: |
| 836 | return "NL80211_ATTR_FRAME_MATCH"; break; |
| 837 | case NL80211_ATTR_ACK: |
| 838 | return "NL80211_ATTR_ACK"; break; |
| 839 | case NL80211_ATTR_PS_STATE: |
| 840 | return "NL80211_ATTR_PS_STATE"; break; |
| 841 | case NL80211_ATTR_CQM: |
| 842 | return "NL80211_ATTR_CQM"; break; |
| 843 | case NL80211_ATTR_LOCAL_STATE_CHANGE: |
| 844 | return "NL80211_ATTR_LOCAL_STATE_CHANGE"; break; |
| 845 | case NL80211_ATTR_AP_ISOLATE: |
| 846 | return "NL80211_ATTR_AP_ISOLATE"; break; |
| 847 | case NL80211_ATTR_WIPHY_TX_POWER_SETTING: |
| 848 | return "NL80211_ATTR_WIPHY_TX_POWER_SETTING"; break; |
| 849 | case NL80211_ATTR_WIPHY_TX_POWER_LEVEL: |
| 850 | return "NL80211_ATTR_WIPHY_TX_POWER_LEVEL"; break; |
| 851 | case NL80211_ATTR_TX_FRAME_TYPES: |
| 852 | return "NL80211_ATTR_TX_FRAME_TYPES"; break; |
| 853 | case NL80211_ATTR_RX_FRAME_TYPES: |
| 854 | return "NL80211_ATTR_RX_FRAME_TYPES"; break; |
| 855 | case NL80211_ATTR_FRAME_TYPE: |
| 856 | return "NL80211_ATTR_FRAME_TYPE"; break; |
| 857 | case NL80211_ATTR_CONTROL_PORT_ETHERTYPE: |
| 858 | return "NL80211_ATTR_CONTROL_PORT_ETHERTYPE"; break; |
| 859 | case NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT: |
| 860 | return "NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT"; break; |
| 861 | case NL80211_ATTR_SUPPORT_IBSS_RSN: |
| 862 | return "NL80211_ATTR_SUPPORT_IBSS_RSN"; break; |
| 863 | case NL80211_ATTR_WIPHY_ANTENNA_TX: |
| 864 | return "NL80211_ATTR_WIPHY_ANTENNA_TX"; break; |
| 865 | case NL80211_ATTR_WIPHY_ANTENNA_RX: |
| 866 | return "NL80211_ATTR_WIPHY_ANTENNA_RX"; break; |
| 867 | case NL80211_ATTR_MCAST_RATE: |
| 868 | return "NL80211_ATTR_MCAST_RATE"; break; |
| 869 | case NL80211_ATTR_OFFCHANNEL_TX_OK: |
| 870 | return "NL80211_ATTR_OFFCHANNEL_TX_OK"; break; |
| 871 | case NL80211_ATTR_BSS_HT_OPMODE: |
| 872 | return "NL80211_ATTR_BSS_HT_OPMODE"; break; |
| 873 | case NL80211_ATTR_KEY_DEFAULT_TYPES: |
| 874 | return "NL80211_ATTR_KEY_DEFAULT_TYPES"; break; |
| 875 | case NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION: |
| 876 | return "NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION"; break; |
| 877 | case NL80211_ATTR_MESH_SETUP: |
| 878 | return "NL80211_ATTR_MESH_SETUP"; break; |
| 879 | case NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX: |
| 880 | return "NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX"; break; |
| 881 | case NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX: |
| 882 | return "NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX"; break; |
| 883 | case NL80211_ATTR_SUPPORT_MESH_AUTH: |
| 884 | return "NL80211_ATTR_SUPPORT_MESH_AUTH"; break; |
| 885 | case NL80211_ATTR_STA_PLINK_STATE: |
| 886 | return "NL80211_ATTR_STA_PLINK_STATE"; break; |
| 887 | case NL80211_ATTR_WOWLAN_TRIGGERS: |
| 888 | return "NL80211_ATTR_WOWLAN_TRIGGERS"; break; |
| 889 | case NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED: |
| 890 | return "NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED"; break; |
| 891 | case NL80211_ATTR_SCHED_SCAN_INTERVAL: |
| 892 | return "NL80211_ATTR_SCHED_SCAN_INTERVAL"; break; |
| 893 | case NL80211_ATTR_INTERFACE_COMBINATIONS: |
| 894 | return "NL80211_ATTR_INTERFACE_COMBINATIONS"; break; |
| 895 | case NL80211_ATTR_SOFTWARE_IFTYPES: |
| 896 | return "NL80211_ATTR_SOFTWARE_IFTYPES"; break; |
| 897 | case NL80211_ATTR_REKEY_DATA: |
| 898 | return "NL80211_ATTR_REKEY_DATA"; break; |
| 899 | case NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS: |
| 900 | return "NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS"; break; |
| 901 | case NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN: |
| 902 | return "NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN"; break; |
| 903 | case NL80211_ATTR_SCAN_SUPP_RATES: |
| 904 | return "NL80211_ATTR_SCAN_SUPP_RATES"; break; |
| 905 | case NL80211_ATTR_HIDDEN_SSID: |
| 906 | return "NL80211_ATTR_HIDDEN_SSID"; break; |
| 907 | case NL80211_ATTR_IE_PROBE_RESP: |
| 908 | return "NL80211_ATTR_IE_PROBE_RESP"; break; |
| 909 | case NL80211_ATTR_IE_ASSOC_RESP: |
| 910 | return "NL80211_ATTR_IE_ASSOC_RESP"; break; |
| 911 | case NL80211_ATTR_STA_WME: |
| 912 | return "NL80211_ATTR_STA_WME"; break; |
| 913 | case NL80211_ATTR_SUPPORT_AP_UAPSD: |
| 914 | return "NL80211_ATTR_SUPPORT_AP_UAPSD"; break; |
| 915 | case NL80211_ATTR_ROAM_SUPPORT: |
| 916 | return "NL80211_ATTR_ROAM_SUPPORT"; break; |
| 917 | case NL80211_ATTR_SCHED_SCAN_MATCH: |
| 918 | return "NL80211_ATTR_SCHED_SCAN_MATCH"; break; |
| 919 | case NL80211_ATTR_MAX_MATCH_SETS: |
| 920 | return "NL80211_ATTR_MAX_MATCH_SETS"; break; |
| 921 | case NL80211_ATTR_PMKSA_CANDIDATE: |
| 922 | return "NL80211_ATTR_PMKSA_CANDIDATE"; break; |
| 923 | case NL80211_ATTR_TX_NO_CCK_RATE: |
| 924 | return "NL80211_ATTR_TX_NO_CCK_RATE"; break; |
| 925 | case NL80211_ATTR_TDLS_ACTION: |
| 926 | return "NL80211_ATTR_TDLS_ACTION"; break; |
| 927 | case NL80211_ATTR_TDLS_DIALOG_TOKEN: |
| 928 | return "NL80211_ATTR_TDLS_DIALOG_TOKEN"; break; |
| 929 | case NL80211_ATTR_TDLS_OPERATION: |
| 930 | return "NL80211_ATTR_TDLS_OPERATION"; break; |
| 931 | case NL80211_ATTR_TDLS_SUPPORT: |
| 932 | return "NL80211_ATTR_TDLS_SUPPORT"; break; |
| 933 | case NL80211_ATTR_TDLS_EXTERNAL_SETUP: |
| 934 | return "NL80211_ATTR_TDLS_EXTERNAL_SETUP"; break; |
| 935 | case NL80211_ATTR_DEVICE_AP_SME: |
| 936 | return "NL80211_ATTR_DEVICE_AP_SME"; break; |
| 937 | case NL80211_ATTR_DONT_WAIT_FOR_ACK: |
| 938 | return "NL80211_ATTR_DONT_WAIT_FOR_ACK"; break; |
| 939 | case NL80211_ATTR_FEATURE_FLAGS: |
| 940 | return "NL80211_ATTR_FEATURE_FLAGS"; break; |
| 941 | case NL80211_ATTR_PROBE_RESP_OFFLOAD: |
| 942 | return "NL80211_ATTR_PROBE_RESP_OFFLOAD"; break; |
| 943 | case NL80211_ATTR_PROBE_RESP: |
| 944 | return "NL80211_ATTR_PROBE_RESP"; break; |
| 945 | case NL80211_ATTR_DFS_REGION: |
| 946 | return "NL80211_ATTR_DFS_REGION"; break; |
| 947 | case NL80211_ATTR_DISABLE_HT: |
| 948 | return "NL80211_ATTR_DISABLE_HT"; break; |
| 949 | case NL80211_ATTR_HT_CAPABILITY_MASK: |
| 950 | return "NL80211_ATTR_HT_CAPABILITY_MASK"; break; |
| 951 | case NL80211_ATTR_NOACK_MAP: |
| 952 | return "NL80211_ATTR_NOACK_MAP"; break; |
| 953 | case NL80211_ATTR_INACTIVITY_TIMEOUT: |
| 954 | return "NL80211_ATTR_INACTIVITY_TIMEOUT"; break; |
| 955 | case NL80211_ATTR_RX_SIGNAL_DBM: |
| 956 | return "NL80211_ATTR_RX_SIGNAL_DBM"; break; |
| 957 | case NL80211_ATTR_BG_SCAN_PERIOD: |
| 958 | return "NL80211_ATTR_BG_SCAN_PERIOD"; break; |
| 959 | default: |
| 960 | return "<UNKNOWN>"; break; |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | // Protected members. |
| 965 | |
| 966 | // Duplicate attribute data, store in map indexed on |name|. |
| 967 | bool UserBoundNlMessage::AddAttribute(enum nl80211_attrs name, |
| 968 | nlattr *data) { |
| 969 | if (ContainsKey(attributes_, name)) { |
| 970 | LOG(ERROR) << "Already have attribute name " << name; |
| 971 | return false; |
| 972 | } |
| 973 | |
| 974 | if ((!data) || (nla_total_size(nla_len(data)) == 0)) { |
| 975 | attributes_[name] = NULL; |
| 976 | } else { |
| 977 | nlattr *newdata = reinterpret_cast<nlattr *>( |
| 978 | new uint8_t[nla_total_size(nla_len(data))]); |
| 979 | memcpy(newdata, data, nla_total_size(nla_len(data))); |
| 980 | attributes_[name] = newdata; |
| 981 | } |
| 982 | return true; |
| 983 | } |
| 984 | |
| 985 | const nlattr *UserBoundNlMessage::GetAttribute(enum nl80211_attrs name) |
| 986 | const { |
| 987 | map<enum nl80211_attrs, nlattr *>::const_iterator match; |
| 988 | match = attributes_.find(name); |
| 989 | // This method may be called to explore the existence of the attribute so |
| 990 | // we'll not emit an error if it's not found. |
| 991 | if (match == attributes_.end()) { |
| 992 | return NULL; |
| 993 | } |
| 994 | return match->second; |
| 995 | } |
| 996 | |
| 997 | string UserBoundNlMessage::GetHeaderString() const { |
| 998 | char ifname[IF_NAMESIZE] = ""; |
| 999 | uint32_t ifindex = UINT32_MAX; |
| 1000 | bool ifindex_exists = GetU32Attribute(NL80211_ATTR_IFINDEX, &ifindex); |
| 1001 | |
| 1002 | uint32_t wifi = UINT32_MAX; |
| 1003 | bool wifi_exists = GetU32Attribute(NL80211_ATTR_WIPHY, &wifi); |
| 1004 | |
| 1005 | string output; |
| 1006 | if (ifindex_exists && wifi_exists) { |
| 1007 | StringAppendF(&output, "%s (phy #%" PRIu32 "): ", |
| 1008 | (if_indextoname(ifindex, ifname) ? ifname : "<unknown>"), |
| 1009 | wifi); |
| 1010 | } else if (ifindex_exists) { |
| 1011 | StringAppendF(&output, "%s: ", |
| 1012 | (if_indextoname(ifindex, ifname) ? ifname : "<unknown>")); |
| 1013 | } else if (wifi_exists) { |
| 1014 | StringAppendF(&output, "phy #%" PRIu32 "u: ", wifi); |
| 1015 | } |
| 1016 | |
| 1017 | return output; |
| 1018 | } |
| 1019 | |
| 1020 | string UserBoundNlMessage::StringFromFrame(enum nl80211_attrs attr_name) const { |
| 1021 | string output; |
| 1022 | |
| 1023 | void *rawdata = NULL; |
| 1024 | int frame_byte_count = 0; |
| 1025 | if (GetRawAttributeData(attr_name, &rawdata, &frame_byte_count) && rawdata) { |
| 1026 | const uint8_t *frame_data = reinterpret_cast<const uint8_t *>(rawdata); |
| 1027 | |
| 1028 | Nl80211Frame frame(frame_data, frame_byte_count); |
| 1029 | frame.ToString(&output); |
| 1030 | } else { |
| 1031 | output.append(" [no frame]"); |
| 1032 | } |
| 1033 | |
| 1034 | return output; |
| 1035 | } |
| 1036 | |
| 1037 | // static |
| 1038 | string UserBoundNlMessage::StringFromKeyType(nl80211_key_type key_type) { |
| 1039 | switch (key_type) { |
| 1040 | case NL80211_KEYTYPE_GROUP: |
| 1041 | return "Group"; |
| 1042 | case NL80211_KEYTYPE_PAIRWISE: |
| 1043 | return "Pairwise"; |
| 1044 | case NL80211_KEYTYPE_PEERKEY: |
| 1045 | return "PeerKey"; |
| 1046 | default: |
| 1047 | return "<Unknown Key Type>"; |
| 1048 | } |
| 1049 | } |
| 1050 | |
| 1051 | // static |
| 1052 | string UserBoundNlMessage::StringFromMacAddress(const uint8_t *arg) { |
| 1053 | string output; |
| 1054 | |
| 1055 | if (!arg) { |
| 1056 | output = kBogusMacAddress; |
| 1057 | LOG(ERROR) << "|arg| parameter is NULL."; |
| 1058 | } else { |
| 1059 | StringAppendF(&output, "%02x", arg[0]); |
| 1060 | |
| 1061 | for (int i = 1; i < kEthernetAddressBytes ; ++i) { |
| 1062 | StringAppendF(&output, ":%02x", arg[i]); |
| 1063 | } |
| 1064 | } |
| 1065 | return output; |
| 1066 | } |
| 1067 | |
| 1068 | // static |
| 1069 | string UserBoundNlMessage::StringFromRegInitiator(__u8 initiator) { |
| 1070 | switch (initiator) { |
| 1071 | case NL80211_REGDOM_SET_BY_CORE: |
| 1072 | return "the wireless core upon initialization"; |
| 1073 | case NL80211_REGDOM_SET_BY_USER: |
| 1074 | return "a user"; |
| 1075 | case NL80211_REGDOM_SET_BY_DRIVER: |
| 1076 | return "a driver"; |
| 1077 | case NL80211_REGDOM_SET_BY_COUNTRY_IE: |
| 1078 | return "a country IE"; |
| 1079 | default: |
| 1080 | return "<Unknown Reg Initiator>"; |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | // static |
| 1085 | string UserBoundNlMessage::StringFromSsid(const uint8_t len, |
| 1086 | const uint8_t *data) { |
| 1087 | string output; |
| 1088 | if (!data) { |
| 1089 | StringAppendF(&output, "<Error from %s, NULL parameter>", __func__); |
| 1090 | LOG(ERROR) << "|data| parameter is NULL."; |
| 1091 | return output; |
| 1092 | } |
| 1093 | |
| 1094 | for (int i = 0; i < len; ++i) { |
| 1095 | if (data[i] == ' ') |
| 1096 | output.append(" "); |
| 1097 | else if (isprint(data[i])) |
| 1098 | StringAppendF(&output, "%c", static_cast<char>(data[i])); |
| 1099 | else |
| 1100 | StringAppendF(&output, "\\x%2x", data[i]); |
| 1101 | } |
| 1102 | |
| 1103 | return output; |
| 1104 | } |
| 1105 | |
| 1106 | // static |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1107 | string UserBoundNlMessage::StringFromReason(uint16_t status) { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1108 | map<uint16_t, string>::const_iterator match; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1109 | match = reason_code_string_->find(status); |
| 1110 | if (match == reason_code_string_->end()) { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1111 | string output; |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1112 | if (status < IEEE_80211::kReasonCodeMax) { |
| 1113 | StringAppendF(&output, "<Reserved Reason:%u>", status); |
| 1114 | } else { |
| 1115 | StringAppendF(&output, "<Unknown Reason:%u>", status); |
| 1116 | } |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1117 | return output; |
| 1118 | } |
| 1119 | return match->second; |
| 1120 | } |
| 1121 | |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1122 | // static |
| 1123 | string UserBoundNlMessage::StringFromStatus(uint16_t status) { |
| 1124 | map<uint16_t, string>::const_iterator match; |
| 1125 | match = status_code_string_->find(status); |
| 1126 | if (match == status_code_string_->end()) { |
| 1127 | string output; |
| 1128 | if (status < IEEE_80211::kStatusCodeMax) { |
| 1129 | StringAppendF(&output, "<Reserved Status:%u>", status); |
| 1130 | } else { |
| 1131 | StringAppendF(&output, "<Unknown Status:%u>", status); |
| 1132 | } |
| 1133 | return output; |
| 1134 | } |
| 1135 | return match->second; |
| 1136 | } |
| 1137 | |
| 1138 | Nl80211Frame::Nl80211Frame(const uint8_t *raw_frame, int frame_byte_count) |
| 1139 | : frame_type_(kIllegalFrameType), reason_(UINT16_MAX), status_(UINT16_MAX), |
| 1140 | frame_(0), byte_count_(0) { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1141 | if (raw_frame == NULL) |
| 1142 | return; |
| 1143 | |
| 1144 | frame_ = new uint8_t[frame_byte_count]; |
| 1145 | memcpy(frame_, raw_frame, frame_byte_count); |
| 1146 | byte_count_ = frame_byte_count; |
| 1147 | const IEEE_80211::ieee80211_frame *frame = |
| 1148 | reinterpret_cast<const IEEE_80211::ieee80211_frame *>(frame_); |
| 1149 | |
| 1150 | // Now, let's populate the other stuff. |
| 1151 | if (frame_byte_count >= kMinimumFrameByteCount) { |
| 1152 | mac_from_ = |
| 1153 | UserBoundNlMessage::StringFromMacAddress(&frame->destination_mac[0]); |
| 1154 | mac_to_ = UserBoundNlMessage::StringFromMacAddress(&frame->source_mac[0]); |
| 1155 | frame_type_ = frame->frame_control & kFrameTypeMask; |
| 1156 | |
| 1157 | switch (frame_type_) { |
| 1158 | case kAssocResponseFrameType: |
| 1159 | case kReassocResponseFrameType: |
| 1160 | status_ = le16toh(frame->u.associate_response.status_code); |
| 1161 | break; |
| 1162 | |
| 1163 | case kAuthFrameType: |
| 1164 | status_ = le16toh(frame->u.authentiate_message.status_code); |
| 1165 | break; |
| 1166 | |
| 1167 | case kDisassocFrameType: |
| 1168 | case kDeauthFrameType: |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1169 | reason_ = le16toh(frame->u.deauthentiate_message.reason_code); |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1170 | break; |
| 1171 | |
| 1172 | default: |
| 1173 | break; |
| 1174 | } |
| 1175 | } |
| 1176 | } |
| 1177 | |
| 1178 | Nl80211Frame::~Nl80211Frame() { |
| 1179 | delete [] frame_; |
| 1180 | frame_ = NULL; |
| 1181 | } |
| 1182 | |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1183 | bool Nl80211Frame::ToString(string *output) const { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1184 | if (!output) { |
| 1185 | LOG(ERROR) << "NULL |output|"; |
| 1186 | return false; |
| 1187 | } |
| 1188 | |
| 1189 | if ((byte_count_ == 0) || (frame_ == reinterpret_cast<uint8_t *>(NULL))) { |
| 1190 | output->append(" [no frame]"); |
| 1191 | return true; |
| 1192 | } |
| 1193 | |
| 1194 | if (byte_count_ < kMinimumFrameByteCount) { |
| 1195 | output->append(" [invalid frame: "); |
| 1196 | } else { |
| 1197 | StringAppendF(output, " %s -> %s", mac_from_.c_str(), mac_to_.c_str()); |
| 1198 | |
| 1199 | switch (frame_[0] & kFrameTypeMask) { |
| 1200 | case kAssocResponseFrameType: |
| 1201 | StringAppendF(output, "; AssocResponse status: %u: %s", |
| 1202 | status_, |
| 1203 | UserBoundNlMessage::StringFromStatus(status_).c_str()); |
| 1204 | break; |
| 1205 | case kReassocResponseFrameType: |
| 1206 | StringAppendF(output, "; ReassocResponse status: %u: %s", |
| 1207 | status_, |
| 1208 | UserBoundNlMessage::StringFromStatus(status_).c_str()); |
| 1209 | break; |
| 1210 | case kAuthFrameType: |
| 1211 | StringAppendF(output, "; Auth status: %u: %s", |
| 1212 | status_, |
| 1213 | UserBoundNlMessage::StringFromStatus(status_).c_str()); |
| 1214 | break; |
| 1215 | |
| 1216 | case kDisassocFrameType: |
| 1217 | StringAppendF(output, "; Disassoc reason %u: %s", |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1218 | reason_, |
| 1219 | UserBoundNlMessage::StringFromReason(reason_).c_str()); |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1220 | break; |
| 1221 | case kDeauthFrameType: |
| 1222 | StringAppendF(output, "; Deauth reason %u: %s", |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1223 | reason_, |
| 1224 | UserBoundNlMessage::StringFromReason(reason_).c_str()); |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1225 | break; |
| 1226 | |
| 1227 | default: |
| 1228 | break; |
| 1229 | } |
| 1230 | output->append(" [frame: "); |
| 1231 | } |
| 1232 | |
| 1233 | for (int i = 0; i < byte_count_; ++i) { |
| 1234 | StringAppendF(output, "%02x, ", frame_[i]); |
| 1235 | } |
| 1236 | output->append("]"); |
| 1237 | |
| 1238 | return true; |
| 1239 | } |
| 1240 | |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1241 | bool Nl80211Frame::IsEqual(const Nl80211Frame &other) const { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1242 | if (byte_count_ != other.byte_count_) { |
| 1243 | return false; |
| 1244 | } |
| 1245 | |
| 1246 | for (int i = 0; i < byte_count_; ++i) { |
| 1247 | if (frame_[i] != other.frame_[i]) { |
| 1248 | return false; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | return true; |
| 1253 | } |
| 1254 | |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1255 | |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1256 | // |
| 1257 | // Specific UserBoundNlMessage types. |
| 1258 | // |
| 1259 | |
| 1260 | const uint8_t AssociateMessage::kCommand = NL80211_CMD_ASSOCIATE; |
| 1261 | const char AssociateMessage::kCommandString[] = "NL80211_CMD_ASSOCIATE"; |
| 1262 | |
| 1263 | string AssociateMessage::ToString() const { |
| 1264 | string output(GetHeaderString()); |
| 1265 | output.append("assoc"); |
| 1266 | if (AttributeExists(NL80211_ATTR_FRAME)) |
| 1267 | output.append(StringFromFrame(NL80211_ATTR_FRAME)); |
| 1268 | else if (AttributeExists(NL80211_ATTR_TIMED_OUT)) |
| 1269 | output.append(": timed out"); |
| 1270 | else |
| 1271 | output.append(": unknown event"); |
| 1272 | return output; |
| 1273 | } |
| 1274 | |
| 1275 | const uint8_t AuthenticateMessage::kCommand = NL80211_CMD_AUTHENTICATE; |
| 1276 | const char AuthenticateMessage::kCommandString[] = "NL80211_CMD_AUTHENTICATE"; |
| 1277 | |
| 1278 | string AuthenticateMessage::ToString() const { |
| 1279 | string output(GetHeaderString()); |
| 1280 | output.append("auth"); |
| 1281 | if (AttributeExists(NL80211_ATTR_FRAME)) { |
| 1282 | output.append(StringFromFrame(NL80211_ATTR_FRAME)); |
| 1283 | } else { |
| 1284 | output.append(AttributeExists(NL80211_ATTR_TIMED_OUT) ? |
| 1285 | ": timed out" : ": unknown event"); |
| 1286 | } |
| 1287 | return output; |
| 1288 | } |
| 1289 | |
| 1290 | const uint8_t CancelRemainOnChannelMessage::kCommand = |
| 1291 | NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL; |
| 1292 | const char CancelRemainOnChannelMessage::kCommandString[] = |
| 1293 | "NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL"; |
| 1294 | |
| 1295 | string CancelRemainOnChannelMessage::ToString() const { |
| 1296 | string output(GetHeaderString()); |
| 1297 | uint32_t freq; |
| 1298 | uint64_t cookie; |
| 1299 | StringAppendF(&output, |
| 1300 | "done with remain on freq %" PRIu32 " (cookie %" PRIx64 ")", |
| 1301 | (GetU32Attribute(NL80211_ATTR_WIPHY_FREQ, &freq) ? 0 : freq), |
| 1302 | (GetU64Attribute(NL80211_ATTR_COOKIE, &cookie) ? 0 : cookie)); |
| 1303 | return output; |
| 1304 | } |
| 1305 | |
| 1306 | const uint8_t ConnectMessage::kCommand = NL80211_CMD_CONNECT; |
| 1307 | const char ConnectMessage::kCommandString[] = "NL80211_CMD_CONNECT"; |
| 1308 | |
| 1309 | string ConnectMessage::ToString() const { |
| 1310 | string output(GetHeaderString()); |
| 1311 | |
| 1312 | uint16_t status = UINT16_MAX; |
| 1313 | |
| 1314 | if (!GetU16Attribute(NL80211_ATTR_STATUS_CODE, &status)) { |
| 1315 | output.append("unknown connect status"); |
| 1316 | } else if (status == 0) { |
| 1317 | output.append("connected"); |
| 1318 | } else { |
| 1319 | output.append("failed to connect"); |
| 1320 | } |
| 1321 | |
| 1322 | if (AttributeExists(NL80211_ATTR_MAC)) { |
| 1323 | string mac; |
| 1324 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1325 | StringAppendF(&output, " to %s", mac.c_str()); |
| 1326 | } |
| 1327 | if (status) |
| 1328 | StringAppendF(&output, ", status: %u: %s", status, |
| 1329 | StringFromStatus(status).c_str()); |
| 1330 | return output; |
| 1331 | } |
| 1332 | |
| 1333 | const uint8_t DeauthenticateMessage::kCommand = NL80211_CMD_DEAUTHENTICATE; |
| 1334 | const char DeauthenticateMessage::kCommandString[] = |
| 1335 | "NL80211_CMD_DEAUTHENTICATE"; |
| 1336 | |
| 1337 | string DeauthenticateMessage::ToString() const { |
| 1338 | string output(GetHeaderString()); |
| 1339 | StringAppendF(&output, "deauth%s", |
| 1340 | StringFromFrame(NL80211_ATTR_FRAME).c_str()); |
| 1341 | return output; |
| 1342 | } |
| 1343 | |
| 1344 | const uint8_t DeleteStationMessage::kCommand = NL80211_CMD_DEL_STATION; |
| 1345 | const char DeleteStationMessage::kCommandString[] = "NL80211_CMD_DEL_STATION"; |
| 1346 | |
| 1347 | string DeleteStationMessage::ToString() const { |
| 1348 | string mac; |
| 1349 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1350 | string output(GetHeaderString()); |
| 1351 | StringAppendF(&output, "del station %s", mac.c_str()); |
| 1352 | return output; |
| 1353 | } |
| 1354 | |
| 1355 | const uint8_t DisassociateMessage::kCommand = NL80211_CMD_DISASSOCIATE; |
| 1356 | const char DisassociateMessage::kCommandString[] = "NL80211_CMD_DISASSOCIATE"; |
| 1357 | |
| 1358 | string DisassociateMessage::ToString() const { |
| 1359 | string output(GetHeaderString()); |
| 1360 | StringAppendF(&output, "disassoc%s", |
| 1361 | StringFromFrame(NL80211_ATTR_FRAME).c_str()); |
| 1362 | return output; |
| 1363 | } |
| 1364 | |
| 1365 | const uint8_t DisconnectMessage::kCommand = NL80211_CMD_DISCONNECT; |
| 1366 | const char DisconnectMessage::kCommandString[] = "NL80211_CMD_DISCONNECT"; |
| 1367 | |
| 1368 | string DisconnectMessage::ToString() const { |
| 1369 | string output(GetHeaderString()); |
| 1370 | StringAppendF(&output, "disconnected %s", |
| 1371 | ((AttributeExists(NL80211_ATTR_DISCONNECTED_BY_AP)) ? |
| 1372 | "(by AP)" : "(local request)")); |
| 1373 | |
| 1374 | uint16_t reason = UINT16_MAX; |
| 1375 | if (GetU16Attribute(NL80211_ATTR_REASON_CODE, &reason)) { |
| 1376 | StringAppendF(&output, " reason: %u: %s", |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1377 | reason, StringFromReason(reason).c_str()); |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1378 | } |
| 1379 | return output; |
| 1380 | } |
| 1381 | |
| 1382 | const uint8_t FrameTxStatusMessage::kCommand = NL80211_CMD_FRAME_TX_STATUS; |
| 1383 | const char FrameTxStatusMessage::kCommandString[] = |
| 1384 | "NL80211_CMD_FRAME_TX_STATUS"; |
| 1385 | |
| 1386 | string FrameTxStatusMessage::ToString() const { |
| 1387 | string output(GetHeaderString()); |
| 1388 | uint64_t cookie = UINT64_MAX; |
| 1389 | GetU64Attribute(NL80211_ATTR_COOKIE, &cookie); |
| 1390 | |
| 1391 | StringAppendF(&output, "mgmt TX status (cookie %" PRIx64 "): %s", |
| 1392 | cookie, |
| 1393 | (AttributeExists(NL80211_ATTR_ACK) ? "acked" : "no ack")); |
| 1394 | return output; |
| 1395 | } |
| 1396 | |
| 1397 | const uint8_t JoinIbssMessage::kCommand = NL80211_CMD_JOIN_IBSS; |
| 1398 | const char JoinIbssMessage::kCommandString[] = "NL80211_CMD_JOIN_IBSS"; |
| 1399 | |
| 1400 | string JoinIbssMessage::ToString() const { |
| 1401 | string mac; |
| 1402 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1403 | string output(GetHeaderString()); |
| 1404 | StringAppendF(&output, "IBSS %s joined", mac.c_str()); |
| 1405 | return output; |
| 1406 | } |
| 1407 | |
| 1408 | const uint8_t MichaelMicFailureMessage::kCommand = |
| 1409 | NL80211_CMD_MICHAEL_MIC_FAILURE; |
| 1410 | const char MichaelMicFailureMessage::kCommandString[] = |
| 1411 | "NL80211_CMD_MICHAEL_MIC_FAILURE"; |
| 1412 | |
| 1413 | string MichaelMicFailureMessage::ToString() const { |
| 1414 | string output(GetHeaderString()); |
| 1415 | |
| 1416 | output.append("Michael MIC failure event:"); |
| 1417 | |
| 1418 | if (AttributeExists(NL80211_ATTR_MAC)) { |
| 1419 | string mac; |
| 1420 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1421 | StringAppendF(&output, " source MAC address %s", mac.c_str()); |
| 1422 | } |
| 1423 | |
| 1424 | if (AttributeExists(NL80211_ATTR_KEY_SEQ)) { |
| 1425 | void *rawdata = NULL; |
| 1426 | int length = 0; |
| 1427 | if (GetRawAttributeData(NL80211_ATTR_KEY_SEQ, &rawdata, &length) && |
| 1428 | rawdata && length == 6) { |
| 1429 | const unsigned char *seq = reinterpret_cast<const unsigned char *>( |
| 1430 | rawdata); |
| 1431 | StringAppendF(&output, " seq=%02x%02x%02x%02x%02x%02x", |
| 1432 | seq[0], seq[1], seq[2], seq[3], seq[4], seq[5]); |
| 1433 | } |
| 1434 | } |
| 1435 | uint32_t key_type_val = UINT32_MAX; |
| 1436 | if (GetU32Attribute(NL80211_ATTR_KEY_TYPE, &key_type_val)) { |
| 1437 | enum nl80211_key_type key_type = |
| 1438 | static_cast<enum nl80211_key_type >(key_type_val); |
| 1439 | StringAppendF(&output, " Key Type %s", StringFromKeyType(key_type).c_str()); |
| 1440 | } |
| 1441 | |
| 1442 | uint8_t key_index = UINT8_MAX; |
| 1443 | if (GetU8Attribute(NL80211_ATTR_KEY_IDX, &key_index)) { |
| 1444 | StringAppendF(&output, " Key Id %u", key_index); |
| 1445 | } |
| 1446 | |
| 1447 | return output; |
| 1448 | } |
| 1449 | |
| 1450 | const uint8_t NewScanResultsMessage::kCommand = NL80211_CMD_NEW_SCAN_RESULTS; |
| 1451 | const char NewScanResultsMessage::kCommandString[] = |
| 1452 | "NL80211_CMD_NEW_SCAN_RESULTS"; |
| 1453 | |
| 1454 | string NewScanResultsMessage::ToString() const { |
| 1455 | string output(GetHeaderString()); |
| 1456 | output.append("scan finished"); |
| 1457 | |
| 1458 | { |
| 1459 | output.append("; frequencies: "); |
| 1460 | vector<uint32_t> list; |
| 1461 | if (GetScanFrequenciesAttribute(NL80211_ATTR_SCAN_FREQUENCIES, &list)) { |
| 1462 | string str; |
| 1463 | for (vector<uint32_t>::const_iterator i = list.begin(); |
| 1464 | i != list.end(); ++i) { |
| 1465 | StringAppendF(&str, " %" PRIu32 ", ", *i); |
| 1466 | } |
| 1467 | output.append(str); |
| 1468 | } |
| 1469 | } |
| 1470 | |
| 1471 | { |
| 1472 | output.append("; SSIDs: "); |
| 1473 | vector<string> list; |
| 1474 | if (GetScanSsidsAttribute(NL80211_ATTR_SCAN_SSIDS, &list)) { |
| 1475 | string str; |
| 1476 | for (vector<string>::const_iterator i = list.begin(); |
| 1477 | i != list.end(); ++i) { |
| 1478 | StringAppendF(&str, "\"%s\", ", i->c_str()); |
| 1479 | } |
| 1480 | output.append(str); |
| 1481 | } |
| 1482 | } |
| 1483 | |
| 1484 | return output; |
| 1485 | } |
| 1486 | |
| 1487 | const uint8_t NewStationMessage::kCommand = NL80211_CMD_NEW_STATION; |
| 1488 | const char NewStationMessage::kCommandString[] = "NL80211_CMD_NEW_STATION"; |
| 1489 | |
| 1490 | string NewStationMessage::ToString() const { |
| 1491 | string mac; |
| 1492 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1493 | string output(GetHeaderString()); |
| 1494 | StringAppendF(&output, "new station %s", mac.c_str()); |
| 1495 | |
| 1496 | return output; |
| 1497 | } |
| 1498 | |
| 1499 | const uint8_t NewWifiMessage::kCommand = NL80211_CMD_NEW_WIPHY; |
| 1500 | const char NewWifiMessage::kCommandString[] = "NL80211_CMD_NEW_WIPHY"; |
| 1501 | |
| 1502 | string NewWifiMessage::ToString() const { |
| 1503 | string output(GetHeaderString()); |
| 1504 | string wifi_name = "None"; |
| 1505 | GetStringAttribute(NL80211_ATTR_WIPHY_NAME, &wifi_name); |
| 1506 | StringAppendF(&output, "renamed to %s", wifi_name.c_str()); |
| 1507 | return output; |
| 1508 | } |
| 1509 | |
| 1510 | const uint8_t NotifyCqmMessage::kCommand = NL80211_CMD_NOTIFY_CQM; |
| 1511 | const char NotifyCqmMessage::kCommandString[] = "NL80211_CMD_NOTIFY_CQM"; |
| 1512 | |
| 1513 | string NotifyCqmMessage::ToString() const { |
| 1514 | static const nla_policy kCqmPolicy[NL80211_ATTR_CQM_MAX + 1] = { |
| 1515 | { NLA_U32, 0, 0 }, // Who Knows? |
| 1516 | { NLA_U32, 0, 0 }, // [NL80211_ATTR_CQM_RSSI_THOLD] |
| 1517 | { NLA_U32, 0, 0 }, // [NL80211_ATTR_CQM_RSSI_HYST] |
| 1518 | { NLA_U32, 0, 0 }, // [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] |
| 1519 | }; |
| 1520 | |
| 1521 | string output(GetHeaderString()); |
| 1522 | output.append("connection quality monitor event: "); |
| 1523 | |
| 1524 | const nlattr *const_data = GetAttribute(NL80211_ATTR_CQM); |
| 1525 | nlattr *cqm_attr = const_cast<nlattr *>(const_data); |
| 1526 | |
| 1527 | nlattr *cqm[NL80211_ATTR_CQM_MAX + 1]; |
| 1528 | if (!AttributeExists(NL80211_ATTR_CQM) || !cqm_attr || |
| 1529 | nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, cqm_attr, |
| 1530 | const_cast<nla_policy *>(kCqmPolicy))) { |
| 1531 | output.append("missing data!"); |
| 1532 | return output; |
| 1533 | } |
| 1534 | if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]) { |
| 1535 | enum nl80211_cqm_rssi_threshold_event rssi_event = |
| 1536 | static_cast<enum nl80211_cqm_rssi_threshold_event>( |
| 1537 | nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT])); |
| 1538 | if (rssi_event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) |
| 1539 | output.append("RSSI went above threshold"); |
| 1540 | else |
| 1541 | output.append("RSSI went below threshold"); |
| 1542 | } else if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT] && |
| 1543 | AttributeExists(NL80211_ATTR_MAC)) { |
| 1544 | string mac; |
| 1545 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1546 | StringAppendF(&output, "peer %s didn't ACK %" PRIu32 " packets", |
| 1547 | mac.c_str(), |
| 1548 | nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT])); |
| 1549 | } else { |
| 1550 | output.append("unknown event"); |
| 1551 | } |
| 1552 | |
| 1553 | return output; |
| 1554 | } |
| 1555 | |
| 1556 | const uint8_t PmksaCandidateMessage::kCommand = NL80211_ATTR_PMKSA_CANDIDATE; |
| 1557 | const char PmksaCandidateMessage::kCommandString[] = |
| 1558 | "NL80211_ATTR_PMKSA_CANDIDATE"; |
| 1559 | |
| 1560 | string PmksaCandidateMessage::ToString() const { |
| 1561 | string output(GetHeaderString()); |
| 1562 | output.append("PMKSA candidate found"); |
| 1563 | return output; |
| 1564 | } |
| 1565 | |
| 1566 | const uint8_t RegBeaconHintMessage::kCommand = NL80211_CMD_REG_BEACON_HINT; |
| 1567 | const char RegBeaconHintMessage::kCommandString[] = |
| 1568 | "NL80211_CMD_REG_BEACON_HINT"; |
| 1569 | |
| 1570 | string RegBeaconHintMessage::ToString() const { |
| 1571 | string output(GetHeaderString()); |
| 1572 | uint32_t wiphy_idx = UINT32_MAX; |
| 1573 | GetU32Attribute(NL80211_ATTR_WIPHY, &wiphy_idx); |
| 1574 | |
| 1575 | const nlattr *const_before = GetAttribute(NL80211_ATTR_FREQ_BEFORE); |
| 1576 | ieee80211_beacon_channel chan_before_beacon; |
| 1577 | memset(&chan_before_beacon, 0, sizeof(chan_before_beacon)); |
| 1578 | if (ParseBeaconHintChan(const_before, &chan_before_beacon)) |
| 1579 | return ""; |
| 1580 | |
| 1581 | const nlattr *const_after = GetAttribute(NL80211_ATTR_FREQ_AFTER); |
| 1582 | ieee80211_beacon_channel chan_after_beacon; |
| 1583 | memset(&chan_after_beacon, 0, sizeof(chan_after_beacon)); |
| 1584 | if (ParseBeaconHintChan(const_after, &chan_after_beacon)) |
| 1585 | return ""; |
| 1586 | |
| 1587 | if (chan_before_beacon.center_freq != chan_after_beacon.center_freq) |
| 1588 | return ""; |
| 1589 | |
| 1590 | /* A beacon hint is sent _only_ if something _did_ change */ |
| 1591 | output.append("beacon hint:"); |
| 1592 | StringAppendF(&output, "phy%" PRIu32 " %u MHz [%d]:", |
| 1593 | wiphy_idx, chan_before_beacon.center_freq, |
| 1594 | ChannelFromIeee80211Frequency(chan_before_beacon.center_freq)); |
| 1595 | |
| 1596 | if (chan_before_beacon.passive_scan && !chan_after_beacon.passive_scan) |
| 1597 | output.append("\to active scanning enabled"); |
| 1598 | if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss) |
| 1599 | output.append("\to beaconing enabled"); |
| 1600 | return output; |
| 1601 | } |
| 1602 | |
| 1603 | int RegBeaconHintMessage::ParseBeaconHintChan(const nlattr *tb, |
| 1604 | ieee80211_beacon_channel *chan) |
| 1605 | const { |
| 1606 | static const nla_policy kBeaconFreqPolicy[ |
| 1607 | NL80211_FREQUENCY_ATTR_MAX + 1] = { |
| 1608 | {0, 0, 0}, |
| 1609 | { NLA_U32, 0, 0 }, // [NL80211_FREQUENCY_ATTR_FREQ] |
| 1610 | {0, 0, 0}, |
| 1611 | { NLA_FLAG, 0, 0 }, // [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] |
| 1612 | { NLA_FLAG, 0, 0 }, // [NL80211_FREQUENCY_ATTR_NO_IBSS] |
| 1613 | }; |
| 1614 | |
| 1615 | if (!tb) { |
| 1616 | LOG(ERROR) << "|tb| parameter is NULL."; |
| 1617 | return -EINVAL; |
| 1618 | } |
| 1619 | |
| 1620 | if (!chan) { |
| 1621 | LOG(ERROR) << "|chan| parameter is NULL."; |
| 1622 | return -EINVAL; |
| 1623 | } |
| 1624 | |
| 1625 | nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1]; |
| 1626 | |
| 1627 | if (nla_parse_nested(tb_freq, |
| 1628 | NL80211_FREQUENCY_ATTR_MAX, |
| 1629 | const_cast<nlattr *>(tb), |
| 1630 | const_cast<nla_policy *>(kBeaconFreqPolicy))) |
| 1631 | return -EINVAL; |
| 1632 | |
| 1633 | chan->center_freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]); |
| 1634 | |
| 1635 | if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN]) |
| 1636 | chan->passive_scan = true; |
| 1637 | if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS]) |
| 1638 | chan->no_ibss = true; |
| 1639 | |
| 1640 | return 0; |
| 1641 | } |
| 1642 | |
| 1643 | int RegBeaconHintMessage::ChannelFromIeee80211Frequency(int freq) { |
| 1644 | // TODO(wdg): get rid of these magic numbers. |
| 1645 | if (freq == 2484) |
| 1646 | return 14; |
| 1647 | |
| 1648 | if (freq < 2484) |
| 1649 | return (freq - 2407) / 5; |
| 1650 | |
| 1651 | /* FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) */ |
| 1652 | return freq/5 - 1000; |
| 1653 | } |
| 1654 | |
| 1655 | const uint8_t RegChangeMessage::kCommand = NL80211_CMD_REG_CHANGE; |
| 1656 | const char RegChangeMessage::kCommandString[] = "NL80211_CMD_REG_CHANGE"; |
| 1657 | |
| 1658 | string RegChangeMessage::ToString() const { |
| 1659 | string output(GetHeaderString()); |
| 1660 | output.append("regulatory domain change: "); |
| 1661 | |
| 1662 | uint8_t reg_type = UINT8_MAX; |
| 1663 | GetU8Attribute(NL80211_ATTR_REG_TYPE, ®_type); |
| 1664 | |
| 1665 | uint32_t initiator = UINT32_MAX; |
| 1666 | GetU32Attribute(NL80211_ATTR_REG_INITIATOR, &initiator); |
| 1667 | |
| 1668 | uint32_t wifi = UINT32_MAX; |
| 1669 | bool wifi_exists = GetU32Attribute(NL80211_ATTR_WIPHY, &wifi); |
| 1670 | |
| 1671 | string alpha2 = "<None>"; |
| 1672 | GetStringAttribute(NL80211_ATTR_REG_ALPHA2, &alpha2); |
| 1673 | |
| 1674 | switch (reg_type) { |
| 1675 | case NL80211_REGDOM_TYPE_COUNTRY: |
| 1676 | StringAppendF(&output, "set to %s by %s request", |
| 1677 | alpha2.c_str(), StringFromRegInitiator(initiator).c_str()); |
| 1678 | if (wifi_exists) |
| 1679 | StringAppendF(&output, " on phy%" PRIu32, wifi); |
| 1680 | break; |
| 1681 | |
| 1682 | case NL80211_REGDOM_TYPE_WORLD: |
| 1683 | StringAppendF(&output, "set to world roaming by %s request", |
| 1684 | StringFromRegInitiator(initiator).c_str()); |
| 1685 | break; |
| 1686 | |
| 1687 | case NL80211_REGDOM_TYPE_CUSTOM_WORLD: |
| 1688 | StringAppendF(&output, |
| 1689 | "custom world roaming rules in place on phy%" PRIu32 |
| 1690 | " by %s request", |
| 1691 | wifi, StringFromRegInitiator(initiator).c_str()); |
| 1692 | break; |
| 1693 | |
| 1694 | case NL80211_REGDOM_TYPE_INTERSECTION: |
| 1695 | StringAppendF(&output, "intersection used due to a request made by %s", |
| 1696 | StringFromRegInitiator(initiator).c_str()); |
| 1697 | if (wifi_exists) |
| 1698 | StringAppendF(&output, " on phy%" PRIu32, wifi); |
| 1699 | break; |
| 1700 | |
| 1701 | default: |
| 1702 | output.append("unknown source"); |
| 1703 | break; |
| 1704 | } |
| 1705 | return output; |
| 1706 | } |
| 1707 | |
| 1708 | const uint8_t RemainOnChannelMessage::kCommand = NL80211_CMD_REMAIN_ON_CHANNEL; |
| 1709 | const char RemainOnChannelMessage::kCommandString[] = |
| 1710 | "NL80211_CMD_REMAIN_ON_CHANNEL"; |
| 1711 | |
| 1712 | string RemainOnChannelMessage::ToString() const { |
| 1713 | string output(GetHeaderString()); |
| 1714 | |
| 1715 | uint32_t wifi_freq = UINT32_MAX; |
| 1716 | GetU32Attribute(NL80211_ATTR_WIPHY_FREQ, &wifi_freq); |
| 1717 | |
| 1718 | uint32_t duration = UINT32_MAX; |
| 1719 | GetU32Attribute(NL80211_ATTR_DURATION, &duration); |
| 1720 | |
| 1721 | uint64_t cookie = UINT64_MAX; |
| 1722 | GetU64Attribute(NL80211_ATTR_COOKIE, &cookie); |
| 1723 | |
| 1724 | StringAppendF(&output, "remain on freq %" PRIu32 " (%" PRIu32 "ms, cookie %" |
| 1725 | PRIx64 ")", |
| 1726 | wifi_freq, duration, cookie); |
| 1727 | return output; |
| 1728 | } |
| 1729 | |
| 1730 | const uint8_t RoamMessage::kCommand = NL80211_CMD_ROAM; |
| 1731 | const char RoamMessage::kCommandString[] = "NL80211_CMD_ROAM"; |
| 1732 | |
| 1733 | string RoamMessage::ToString() const { |
| 1734 | string output(GetHeaderString()); |
| 1735 | output.append("roamed"); |
| 1736 | |
| 1737 | if (AttributeExists(NL80211_ATTR_MAC)) { |
| 1738 | string mac; |
| 1739 | GetMacAttributeString(NL80211_ATTR_MAC, &mac); |
| 1740 | StringAppendF(&output, " to %s", mac.c_str()); |
| 1741 | } |
| 1742 | return output; |
| 1743 | } |
| 1744 | |
| 1745 | const uint8_t ScanAbortedMessage::kCommand = NL80211_CMD_SCAN_ABORTED; |
| 1746 | const char ScanAbortedMessage::kCommandString[] = "NL80211_CMD_SCAN_ABORTED"; |
| 1747 | |
| 1748 | string ScanAbortedMessage::ToString() const { |
| 1749 | string output(GetHeaderString()); |
| 1750 | output.append("scan aborted"); |
| 1751 | |
| 1752 | { |
| 1753 | output.append("; frequencies: "); |
| 1754 | vector<uint32_t> list; |
| 1755 | if (GetScanFrequenciesAttribute(NL80211_ATTR_SCAN_FREQUENCIES, &list)) { |
| 1756 | string str; |
| 1757 | for (vector<uint32_t>::const_iterator i = list.begin(); |
| 1758 | i != list.end(); ++i) { |
| 1759 | StringAppendF(&str, " %" PRIu32 ", ", *i); |
| 1760 | } |
| 1761 | output.append(str); |
| 1762 | } |
| 1763 | } |
| 1764 | |
| 1765 | { |
| 1766 | output.append("; SSIDs: "); |
| 1767 | vector<string> list; |
| 1768 | if (GetScanSsidsAttribute(NL80211_ATTR_SCAN_SSIDS, &list)) { |
| 1769 | string str; |
| 1770 | for (vector<string>::const_iterator i = list.begin(); |
| 1771 | i != list.end(); ++i) { |
| 1772 | StringAppendF(&str, "\"%s\", ", i->c_str()); |
| 1773 | } |
| 1774 | output.append(str); |
| 1775 | } |
| 1776 | } |
| 1777 | |
| 1778 | return output; |
| 1779 | } |
| 1780 | |
| 1781 | const uint8_t TriggerScanMessage::kCommand = NL80211_CMD_TRIGGER_SCAN; |
| 1782 | const char TriggerScanMessage::kCommandString[] = "NL80211_CMD_TRIGGER_SCAN"; |
| 1783 | |
| 1784 | string TriggerScanMessage::ToString() const { |
| 1785 | string output(GetHeaderString()); |
| 1786 | output.append("scan started"); |
| 1787 | |
| 1788 | { |
| 1789 | output.append("; frequencies: "); |
| 1790 | vector<uint32_t> list; |
| 1791 | if (GetScanFrequenciesAttribute(NL80211_ATTR_SCAN_FREQUENCIES, &list)) { |
| 1792 | string str; |
| 1793 | for (vector<uint32_t>::const_iterator i = list.begin(); |
| 1794 | i != list.end(); ++i) { |
| 1795 | StringAppendF(&str, "%" PRIu32 ", ", *i); |
| 1796 | } |
| 1797 | output.append(str); |
| 1798 | } |
| 1799 | } |
| 1800 | |
| 1801 | { |
| 1802 | output.append("; SSIDs: "); |
| 1803 | vector<string> list; |
| 1804 | if (GetScanSsidsAttribute(NL80211_ATTR_SCAN_SSIDS, &list)) { |
| 1805 | string str; |
| 1806 | for (vector<string>::const_iterator i = list.begin(); |
| 1807 | i != list.end(); ++i) { |
| 1808 | StringAppendF(&str, "\"%s\", ", i->c_str()); |
| 1809 | } |
| 1810 | output.append(str); |
| 1811 | } |
| 1812 | } |
| 1813 | |
| 1814 | return output; |
| 1815 | } |
| 1816 | |
| 1817 | const uint8_t UnknownMessage::kCommand = 0xff; |
| 1818 | const char UnknownMessage::kCommandString[] = "<Unknown Message Type>"; |
| 1819 | |
| 1820 | string UnknownMessage::ToString() const { |
| 1821 | string output(GetHeaderString()); |
| 1822 | StringAppendF(&output, "unknown event %u", command_); |
| 1823 | return output; |
| 1824 | } |
| 1825 | |
| 1826 | const uint8_t UnprotDeauthenticateMessage::kCommand = |
| 1827 | NL80211_CMD_UNPROT_DEAUTHENTICATE; |
| 1828 | const char UnprotDeauthenticateMessage::kCommandString[] = |
| 1829 | "NL80211_CMD_UNPROT_DEAUTHENTICATE"; |
| 1830 | |
| 1831 | string UnprotDeauthenticateMessage::ToString() const { |
| 1832 | string output(GetHeaderString()); |
| 1833 | StringAppendF(&output, "unprotected deauth %s", |
| 1834 | StringFromFrame(NL80211_ATTR_FRAME).c_str()); |
| 1835 | return output; |
| 1836 | } |
| 1837 | |
| 1838 | const uint8_t UnprotDisassociateMessage::kCommand = |
| 1839 | NL80211_CMD_UNPROT_DISASSOCIATE; |
| 1840 | const char UnprotDisassociateMessage::kCommandString[] = |
| 1841 | "NL80211_CMD_UNPROT_DISASSOCIATE"; |
| 1842 | |
| 1843 | string UnprotDisassociateMessage::ToString() const { |
| 1844 | string output(GetHeaderString()); |
| 1845 | StringAppendF(&output, "unprotected disassoc %s", |
| 1846 | StringFromFrame(NL80211_ATTR_FRAME).c_str()); |
| 1847 | return output; |
| 1848 | } |
| 1849 | |
| 1850 | // |
| 1851 | // Factory class. |
| 1852 | // |
| 1853 | |
| 1854 | UserBoundNlMessage *UserBoundNlMessageFactory::CreateMessage(nlmsghdr *msg) { |
| 1855 | if (!msg) { |
| 1856 | LOG(ERROR) << "NULL |msg| parameter"; |
| 1857 | return NULL; |
| 1858 | } |
| 1859 | |
| 1860 | scoped_ptr<UserBoundNlMessage> message; |
| 1861 | genlmsghdr *gnlh = |
| 1862 | reinterpret_cast<genlmsghdr *>(nlmsg_data(msg)); |
| 1863 | |
| 1864 | if (!gnlh) { |
| 1865 | LOG(ERROR) << "NULL gnlh"; |
| 1866 | return NULL; |
| 1867 | } |
| 1868 | |
| 1869 | switch (gnlh->cmd) { |
| 1870 | case AssociateMessage::kCommand: |
| 1871 | message.reset(new AssociateMessage()); break; |
| 1872 | case AuthenticateMessage::kCommand: |
| 1873 | message.reset(new AuthenticateMessage()); break; |
| 1874 | case CancelRemainOnChannelMessage::kCommand: |
| 1875 | message.reset(new CancelRemainOnChannelMessage()); break; |
| 1876 | case ConnectMessage::kCommand: |
| 1877 | message.reset(new ConnectMessage()); break; |
| 1878 | case DeauthenticateMessage::kCommand: |
| 1879 | message.reset(new DeauthenticateMessage()); break; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1880 | case DeleteStationMessage::kCommand: |
| 1881 | message.reset(new DeleteStationMessage()); break; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1882 | case DisassociateMessage::kCommand: |
| 1883 | message.reset(new DisassociateMessage()); break; |
| 1884 | case DisconnectMessage::kCommand: |
| 1885 | message.reset(new DisconnectMessage()); break; |
| 1886 | case FrameTxStatusMessage::kCommand: |
| 1887 | message.reset(new FrameTxStatusMessage()); break; |
| 1888 | case JoinIbssMessage::kCommand: |
| 1889 | message.reset(new JoinIbssMessage()); break; |
| 1890 | case MichaelMicFailureMessage::kCommand: |
| 1891 | message.reset(new MichaelMicFailureMessage()); break; |
| 1892 | case NewScanResultsMessage::kCommand: |
| 1893 | message.reset(new NewScanResultsMessage()); break; |
| 1894 | case NewStationMessage::kCommand: |
| 1895 | message.reset(new NewStationMessage()); break; |
| 1896 | case NewWifiMessage::kCommand: |
| 1897 | message.reset(new NewWifiMessage()); break; |
| 1898 | case NotifyCqmMessage::kCommand: |
| 1899 | message.reset(new NotifyCqmMessage()); break; |
| 1900 | case PmksaCandidateMessage::kCommand: |
| 1901 | message.reset(new PmksaCandidateMessage()); break; |
| 1902 | case RegBeaconHintMessage::kCommand: |
| 1903 | message.reset(new RegBeaconHintMessage()); break; |
| 1904 | case RegChangeMessage::kCommand: |
| 1905 | message.reset(new RegChangeMessage()); break; |
| 1906 | case RemainOnChannelMessage::kCommand: |
| 1907 | message.reset(new RemainOnChannelMessage()); break; |
| 1908 | case RoamMessage::kCommand: |
| 1909 | message.reset(new RoamMessage()); break; |
| 1910 | case ScanAbortedMessage::kCommand: |
| 1911 | message.reset(new ScanAbortedMessage()); break; |
| 1912 | case TriggerScanMessage::kCommand: |
| 1913 | message.reset(new TriggerScanMessage()); break; |
| 1914 | case UnprotDeauthenticateMessage::kCommand: |
| 1915 | message.reset(new UnprotDeauthenticateMessage()); break; |
| 1916 | case UnprotDisassociateMessage::kCommand: |
| 1917 | message.reset(new UnprotDisassociateMessage()); break; |
| 1918 | |
| 1919 | default: |
| 1920 | message.reset(new UnknownMessage(gnlh->cmd)); break; |
| 1921 | break; |
| 1922 | } |
| 1923 | |
| 1924 | nlattr *tb[NL80211_ATTR_MAX + 1]; |
| 1925 | |
| 1926 | // Parse the attributes from the nl message payload (which starts at the |
| 1927 | // header) into the 'tb' array. |
| 1928 | nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), |
| 1929 | genlmsg_attrlen(gnlh, 0), NULL); |
| 1930 | |
| 1931 | if (!message->Init(tb, msg)) { |
| 1932 | LOG(ERROR) << "Message did not initialize properly"; |
| 1933 | return NULL; |
| 1934 | } |
| 1935 | |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1936 | return message.release(); |
| 1937 | } |
| 1938 | |
| 1939 | UserBoundNlMessageDataCollector * |
| 1940 | UserBoundNlMessageDataCollector::GetInstance() { |
| 1941 | return g_datacollector.Pointer(); |
| 1942 | } |
| 1943 | |
| 1944 | UserBoundNlMessageDataCollector::UserBoundNlMessageDataCollector() { |
| 1945 | need_to_print[NL80211_ATTR_PMKSA_CANDIDATE] = true; |
| 1946 | need_to_print[NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = true; |
| 1947 | need_to_print[NL80211_CMD_DEL_STATION] = true; |
| 1948 | need_to_print[NL80211_CMD_FRAME_TX_STATUS] = true; |
| 1949 | need_to_print[NL80211_CMD_JOIN_IBSS] = true; |
| 1950 | need_to_print[NL80211_CMD_MICHAEL_MIC_FAILURE] = true; |
| 1951 | need_to_print[NL80211_CMD_NEW_WIPHY] = true; |
| 1952 | need_to_print[NL80211_CMD_REG_BEACON_HINT] = true; |
| 1953 | need_to_print[NL80211_CMD_REG_CHANGE] = true; |
| 1954 | need_to_print[NL80211_CMD_REMAIN_ON_CHANNEL] = true; |
| 1955 | need_to_print[NL80211_CMD_ROAM] = true; |
| 1956 | need_to_print[NL80211_CMD_SCAN_ABORTED] = true; |
| 1957 | need_to_print[NL80211_CMD_UNPROT_DEAUTHENTICATE] = true; |
| 1958 | need_to_print[NL80211_CMD_UNPROT_DISASSOCIATE] = true; |
| 1959 | } |
| 1960 | |
| 1961 | void UserBoundNlMessageDataCollector::CollectDebugData( |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1962 | const UserBoundNlMessage &message, nlmsghdr *msg) { |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1963 | if (!msg) { |
| 1964 | LOG(ERROR) << "NULL |msg| parameter"; |
| 1965 | return; |
| 1966 | } |
| 1967 | |
| 1968 | bool doit = false; |
| 1969 | |
| 1970 | map<uint8_t, bool>::const_iterator node; |
| 1971 | node = need_to_print.find(message.GetMessageType()); |
| 1972 | if (node != need_to_print.end()) |
| 1973 | doit = node->second; |
| 1974 | |
| 1975 | if (doit) { |
Wade Guthrie | d615361 | 2012-08-23 11:36:14 -0700 | [diff] [blame] | 1976 | LOG(INFO) << "@@const unsigned char " |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1977 | << "k" << message.GetMessageTypeString() |
Wade Guthrie | d615361 | 2012-08-23 11:36:14 -0700 | [diff] [blame] | 1978 | << "[] = {"; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1979 | |
Christopher Wiley | efd521f | 2012-11-07 17:32:46 -0800 | [diff] [blame^] | 1980 | int payload_bytes = nlmsg_datalen(msg); |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1981 | |
| 1982 | size_t bytes = nlmsg_total_size(payload_bytes); |
| 1983 | unsigned char *rawdata = reinterpret_cast<unsigned char *>(msg); |
Wade Guthrie | d4977f2 | 2012-08-22 12:37:54 -0700 | [diff] [blame] | 1984 | for (size_t i = 0; i < bytes; ++i) { |
Wade Guthrie | d615361 | 2012-08-23 11:36:14 -0700 | [diff] [blame] | 1985 | LOG(INFO) << " 0x" |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1986 | << std::hex << std::setfill('0') << std::setw(2) |
| 1987 | << + rawdata[i] << ","; |
| 1988 | } |
Wade Guthrie | d615361 | 2012-08-23 11:36:14 -0700 | [diff] [blame] | 1989 | LOG(INFO) << "};"; |
Wade Guthrie | 0d43853 | 2012-05-18 14:18:50 -0700 | [diff] [blame] | 1990 | need_to_print[message.GetMessageType()] = false; |
| 1991 | } |
| 1992 | } |
| 1993 | |
| 1994 | } // namespace shill. |