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7,113 Commits 1 Branch 79 Tags 23 MiB
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Commit Graph

315 Commits

Author SHA1 Message Date
Denis Kenzior
90c922f2ca monitor: Fix buffer overrun 
When printing New Address events, the extra_str buffer is overrun,
resulting in weird stuff happening.

> RTNL: Error (0x02) len 20				> 5.252075
   Flags: 0 (0x000)
   Sequence number: 189 (0x000000bd)
   Port ID: 2116
    ACK: 0
==4080== Invalid read of size 1
==4080==    at 0x4E8000E: vfprintf (in /lib64/libc-2.20.so)
==4080==    by 0x4EA8A24: vsnprintf (in /lib64/libc-2.20.so)
==4080==    by 0x4E86011: snprintf (in /lib64/libc-2.20.so)
==4080==    by 0x403B64: print_packet (nlmon.c:238)
==4080==    by 0x40C8FD: print_nlmsghdr (nlmon.c:3197)
==4080==    by 0x40CD9E: print_rtnl_msg (nlmon.c:3266)
==4080==    by 0x40CE4F: nlmon_print_rtnl (nlmon.c:3298)
==4080==    by 0x40D1CD: nlmon_receive (nlmon.c:3390)
 2015-04-12 12:25:55 -05:00
Jukka Rissanen
02a2515f3d monitor: Pretty print LinkMode value 
LinkMode tells whether kernel (0) or user space (1) is controlling
the link.
 2015-03-27 13:31:41 -05:00
Jukka Rissanen
f4f5afdd50 monitor: Pretty print OperState value 
Instead of plain number, decode the value for human consumption.
 2015-03-27 13:31:41 -05:00
Jukka Rissanen
2c3c96f322 monitor: Print OperState instead of Openstate for operational state flag 2015-03-27 13:31:41 -05:00
Denis Kenzior
d277456852 monitor: Always hexdump the raw PAE frame 2015-03-20 13:48:49 -05:00
Denis Kenzior
9318414f22 monitor: Fix Capabilities Field dump 
The capabilities field was not decoded from the appropriate place in the
data file.  This resulted in bogus values being printed.
 2015-03-20 13:47:47 -05:00
Denis Kenzior
a2bc325b3b monitor: Fix typo 2015-03-20 11:34:21 -05:00
Patrik Flykt
2129becac8 monitor: Print HT Operation IE 
As well as the therein contained MCS field
 2015-03-20 11:29:42 -05:00
Ravi kumar Veeramally
8e6bd7d613 monitor: Fix encrypted key data pretty printing 
If key data is encrypted then print only hexdump. If not pass it to
print_ie (key data may contains other IE elements).
 2015-03-18 09:04:20 -05:00
Ravi kumar Veeramally
7eac75fa69 monitor: Print EAPoL key details 
e.g.

< PAE: len 123
    Interface Index: 9
    EAPoL: len 123
        Version: 2 (802.11X-2004)
        Type: 3 (Key)
        Lenth: 119
        Descriptor Type: 2
        Key MIC: true
        Secure: false
        Error: false
        Request: false
        Encrypted Ket Data: false
        SMK Message: false
        Key Descriptor Version: 1 (01)
        Ket Type: true
        Install: false
        Key ACK: false
        Key Length: 0
        Key Replay Counter: 4
        Key NONCE
            af 38 0d 3a 24 1a f7 09 3e ad b9 6e e6 33 02 8b  .8.:$...>..n.3..
            fa 00 f6 40 71 38 e9 d5 d1 e3 ca 3b c2 16 83 d9  ...@q8.....;....
        Key IV
            00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
        Key RSC
            00 00 00 00 00 00 00 00                          ........
        Key MIC Data
            86 b7 54 45 7c 37 45 c1 31 e7 65 4b 70 c8 43 c0  ..TE|7E.1.eKp.C.
        Key Data: len 24
            dd 16 00 50 f2 01 01 00 00 50 f2 02 01 00 00 50  ...P.....P.....P
            f2 02 01 00 00 50 f2 02                          .....P..
        Vendor Specific: len 22
            Microsoft (00:50:f2)
                WPA:
                    Type: 1
                    Version: 1(0001)
                    Group Data Cipher Suite: len 4
                        TKIP (00:50:f2) suite  02
                    Pairwise Cipher Suite: len 4
                        TKIP (00:50:f2) suite  02
                    AKM Suite: len 4
                        PSK; RSNA PSK (00:50:f2) suite  02
 2015-03-16 11:56:43 -05:00
Ravi kumar Veeramally
b8cc01eedc monitor: Print vendor specific data with more details 
Currently it supports Microsoft specific data which has type
and vesion value 1.

e.g.
Vendor specific: len 22
    Microsoft (00:50:f2)
        WPA:
            Type: 1
            Version: 1(0001)
            Group Data Cipher Suite: len 4
                TKIP (00:50:f2) suite  02
            Pairwise Cipher Suite: len 4
                TKIP (00:50:f2) suite  02
            AKM Suite: len 4
                IEEE 802.1X/PMKSA; RSNA/PMKSA caching (00:50:f2) suite  01
 2015-03-12 11:29:37 -05:00
Patrik Flykt
6d652fb743 monitor: Support arbitrarily long bitfields 
Support arbitrarily long bitfields by providing field and mask values
as arrays with their length measured in bytes. Some of the IE fields
easily reach 80 bits or more, thus easily overrunning any integer sizes
used by the OS architecture.
 2015-03-06 13:11:03 -06:00
Jukka Rissanen
7a16f0a263 monitor: RTNL IFLA flags were printed incorrectly 
If flags was 0, then an uninitialized buffer was printed. Changed
this so that if flags == 0, then just the value is printed.
If flags != 0, then print flags values to a buffer that is big
enough to hold all the sub-strings.
 2015-02-26 09:49:32 -06:00
Jukka Rissanen
42f8adbab9 nlmon: String buffer overflow 
The buffer that is allocated for the filename is too short and
as sprintf() was used it overflowed the buffer easily when longer
interface name was used.
 2015-02-25 10:31:48 -06:00
Denis Kenzior
62bfb6f8c8 iwmon: Remove unneeded casts 2015-02-23 12:39:20 -06:00
Patrik Flykt
56a0b6de60 nlmon: Pretty-print RSN IE 
Pretty-print RSN cipher suites, bit fields and PMKIDs if any. Reuse
existing functionality for printing netlink message ciphers.
 2015-02-23 12:33:11 -06:00
Denis Kenzior
17dcd420c2 monitor: Fix up minor style issue 2015-02-04 20:49:38 -06:00
Denis Kenzior
44aaaa74ee monitor: Fix some whitespace corruption 2015-02-04 20:47:23 -06:00
Ravi kumar Veeramally
ea39ea3e00 monitor: Filter wlan related messages from RTNL traffic 
Filter wlan related messages from all netlink routing messages.
 2015-02-04 20:43:00 -06:00
Ravi kumar Veeramally
e79ab9d622 monitor: Print Netlink Rekey nested attributes 2015-02-04 11:15:28 -06:00
Ravi kumar Veeramally
ea4158c76c monitor: Print RTNL ADDRESS messages 
Print RTM_NEWADDR, RTM_DELADDR and RTM_GETADDR messages header
and its attributes.
 2015-02-04 11:14:02 -06:00
Ravi kumar Veeramally
30573d71c5 monitor: Print RTNL LINK messages 
Print RTM_NEWLINK, RTM_DELLINK, RTM_SETLINK and RTM_GETLINK
messages header, flags and its attributes.
 2015-02-04 11:14:02 -06:00
Ravi kumar Veeramally
08e0ea755e monitor: Print detailed BSS Capability information 
e.g:
Capability: 1073 (0x0431)
    ESS
    Privacy
    ShortPreamble
    ShortSlotTime
 2015-02-04 11:14:02 -06:00
Ravi kumar Veeramally
e5b25c2cac monitor: Separate nlmsg and rtnl printing functions 
To track RTNL wlan related messages separating nlmsg and rtnl
message printing functios.
 2015-02-03 11:38:22 -06:00
Denis Kenzior
63a57453da monitor: Fix transaction_sequence byte-ordering 
transaction_sequence must be compared in host byte-order
 2015-01-22 12:42:20 -06:00
Denis Kenzior
373d276dfc monitor: algorithm was not in host byte-order 
auth.algorithm field is an __le16, so must be converted to host byte
order first.
 2015-01-22 12:41:08 -06:00
Denis Kenzior
f94f3d561c monitor: duration should be printed in host-order 2015-01-22 12:28:47 -06:00
Tomasz Bursztyka
9e3cc8bf42 monitor: Print (de)authentication frame info 
This patch adds decoding and printing of information contained in
authentication and de-authentication management frames.
 2015-01-22 12:24:20 -06:00
Ravi kumar Veeramally
a83dc52d50 monitor: Decode additional flags from NLMSG header 
Additional universal message flags are defined which are applied
only for GET requests (NLM_F_ROOT, NLM_F_ATOMIC, NLM_F_MATCH,
NLM_F_DUMP) and flags which are related to NEW requests
(NLM_F_REPLACE, NLM_F_EXCL, NLM_F_CREATE, NLM_F_APPEND).
 2015-01-21 13:31:55 -06:00
Ravi kumar Veeramally
fa40340d68 monitor: Print netlink core control messages 
Decode core control messages (NLMSG_ERROR and NLMSG_DONE).
 2015-01-19 21:17:52 -06:00
Ravi kumar Veeramally
4d7ff64f38 monitor: Print NLMSG header 
Print NLMSG header for detailed information.

e.g:
> RTNL: Done (0x03) len 4 [multi]
  Flags: 2 (0x002)
  Sequence number: 1421667486 (0x54bcec9e)
  Port ID: 24768
 2015-01-19 21:11:45 -06:00
Ravi kumar Veeramally
0922ce9817 monitor: Provide a helper function 
Provide a helper function to convert NLMSG type to string.
 2015-01-19 21:11:12 -06:00
Marcel Holtmann
75ec08df73 monitor: Define ARPHRD_NETLINK if it not provided by system headers 2014-12-19 01:44:49 +01:00
Patrik Flykt
ac663fba69 monitor: Print SSID IE 
Print the SSID IE. If the SSID is not UTF-8 compliant, replace the non-
compliant byte with the UTF-8 substitution character. If the SSID is
hidden, its length and/or all characters are zero; print nothing in
this case.
 2014-12-18 11:10:03 -06:00
Ravi kumar Veeramally
deb80322ea monitor: Fix memory leak 
Memory allocated l_timeout struct from l_timeout_create not being
freed.

==4184== HEAP SUMMARY:
==4184==     in use at exit: 32 bytes in 1 blocks
==4184==   total heap usage: 50 allocs, 49 frees, 39,902 bytes allocated
==4184==
==4184== 32 bytes in 1 blocks are definitely lost in loss record 1 of 1
==4184==    at 0x4C2ABA0: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==4184==    by 0x40706D: l_malloc (util.c:62)
==4184==    by 0x408D9A: l_timeout_create (timeout.c:117)
==4184==    by 0x40896A: signal_callback (signal.c:82)
==4184==    by 0x408692: l_main_run (main.c:346)
==4184==    by 0x402474: main (main.c:797)
==4184==
==4184== LEAK SUMMARY:
==4184==    definitely lost: 32 bytes in 1 blocks
==4184==    indirectly lost: 0 bytes in 0 blocks
==4184==      possibly lost: 0 bytes in 0 blocks
==4184==    still reachable: 0 bytes in 0 blocks
==4184==         suppressed: 0 bytes in 0 blocks
 2014-12-16 08:56:57 -06:00
Denis Kenzior
44301601ed monitor: Various style cleanups 2014-12-15 16:19:29 -06:00
Patrik Flykt
214c89ba8b monitor: Print BSS load information 2014-12-15 16:14:31 -06:00
Patrik Flykt
4b8542e671 monitor: Print TPC Report information 2014-12-15 16:14:31 -06:00
Patrik Flykt
2f21cb47c4 monitor: Print TIM information 2014-12-15 16:14:30 -06:00
Patrik Flykt
ca77daafe3 monitor: Print ERP information 2014-12-15 16:14:30 -06:00
Patrik Flykt
afbf098774 monitor: Print Power constraint 2014-12-15 16:14:30 -06:00
Patrik Flykt
87b49f8071 monitor: Print DSSS parameter set 2014-12-15 16:14:30 -06:00
Denis Kenzior
e2cd88c1cd nlmon: Fix style 2014-12-12 10:59:48 -06:00
Patrik Flykt
f2745611f6 monitor: Print country/regulatory IEs 2014-12-12 10:58:25 -06:00
Patrik Flykt
ce93e1bf9c monitor: Print supported rates 
Print out supported rates, both basic and extended IEs. A trailing
(B) after the rate indicates BSSBasicRateSet.
 2014-12-12 10:55:22 -06:00
Patrik Flykt
fbdb88dda3 monitor: Create table for IE decoding 
Create a table for IE decoding and modify vendor IE printing to use this
new implementation. Unconditionally print out hexdumps of the IEs in order
to be able to verify the decoded IEs and its byte representation.
 2014-12-12 10:47:54 -06:00
Jukka Rissanen
89bacdbc08 monitor: Use standard printf modifiers for attribute values 
Use PRIu64 etc. macros from inttypes.h so that the code works
in every situation, otherwise using %lu for U64 value gives
segfault.
 2014-10-07 21:24:26 -05:00
Denis Kenzior
d9768348d5 monitor: Always try to find an existing interface 
Duplicate detection will happen when we try to create a new link.  The
newlink flags were updated to fail if the device already exists.
 2014-10-04 21:31:58 -05:00
Denis Kenzior
046e49588e monitor: Fix minor coding style issues 2014-10-04 21:08:51 -05:00
Denis Kenzior
5fae2cc524 monitor: Fix whitespace 
No spaces for indentation
 2014-10-04 21:07:18 -05:00
Patrik Flykt
1d4ab8de47 monitor: Remove netlink monitor interface if created by iwmon 
Send a RTM_DELLINK for the interface in use if it was created by iwmon.
As the main loop needs to be running when sending RTM_DELLINK, add a
timeout function for quitting the main loop.
 2014-10-04 21:07:15 -05:00
Patrik Flykt
0b75b71555 monitor: Create netlink monitor interface if not found 
If the netlink monitor interface is not found or did not have all needed
flags set, create one with the proper flags.
 2014-10-04 20:58:46 -05:00
Denis Kenzior
73f5f0766d monitor: Fix memory leak 
In the case that we use iwmon --interface nlmon
 2014-10-04 20:50:16 -05:00
Denis Kenzior
38ab7511af monitor: minor coding style fix ups 2014-10-04 20:41:32 -05:00
Patrik Flykt
19e2132fce monitor: Lookup existing monitor interface via netlink 
On startup, request a list of interfaces via netlink. Find out whether
an interface of type nlmon exists and use it if it has all the needed
flags set. The default name of the interface is 'nlmon', which can be
changed from the command line. If the interface name is in use and is
not an nlmon type, print out an error message and exit.
 2014-10-04 19:56:01 -05:00
Marcel Holtmann
9fa506c237 monitor: Add option to provide nl80211 family identifier 2014-08-16 00:00:10 +02:00
Marcel Holtmann
18652f1f49 monitor: Add support for extracting family identifiers from traces 2014-08-15 23:38:37 +02:00
Marcel Holtmann
d57006ae23 monitor: Match on skb->dev->type and skb->protocol for both filters 2014-08-13 22:22:28 -07:00
Marcel Holtmann
0d81689e08 monitor: Use socket filter also for netlink monitor interface 2014-08-13 21:55:06 -07:00
Marcel Holtmann
40160a7fd4 monitor: Use socket filter for PAE / EAPoL to catch all packets 2014-08-12 21:44:30 -07:00
Marcel Holtmann
07aabaf455 monitor: Fix spelling mistake with timestamp error message 2014-08-12 21:43:39 -07:00
Marcel Holtmann
50f8c8614b monitor: Print RTNL traffic also when live sniffing 2014-08-12 20:27:48 -07:00
Marcel Holtmann
d3f37628b0 monitor: Add support for writing combined PCAP trace files 2014-08-12 19:35:59 -07:00
Marcel Holtmann
b97c661a97 monitor: Print out relative timestamp offset for each packet 2014-08-12 17:40:51 -07:00
Marcel Holtmann
2749e4e4a2 monitor: Print details for RTNL Set Link commands 2014-08-12 17:24:03 -07:00
Marcel Holtmann
772574716e monitor: Add proper labels to RTNL messages 2014-08-12 16:57:48 -07:00
Marcel Holtmann
581f00171d monitor: Skip packet from PCAP file if it is truncated 2014-08-12 00:40:07 -07:00
Marcel Holtmann
b00bea15ab monitor: Fix minor typo in management frame type 2014-08-11 20:33:08 -07:00
Marcel Holtmann
da058ae75b monitor: Add entry for WPI-SMS4 keys and cipher 2014-08-11 00:16:51 -07:00
Marcel Holtmann
7dfe703286 monitor: Add support for decoding pairwise and group cipher information 2014-08-10 21:54:26 -07:00
Marcel Holtmann
e969407e2c monitor: Add support for decoding cipher suites attribute 2014-08-10 21:48:22 -07:00
Marcel Holtmann
5cf13fa692 monitor: Fix max remain on channel attribute decoding 2014-08-10 21:48:02 -07:00
Marcel Holtmann
a95c720d64 monitor: Decode the EAPoL packet headers of PAE frames 2014-08-10 20:20:13 -07:00
Marcel Holtmann
351208b642 monitor: Decode key default types and key cipher information 2014-08-10 19:22:11 -07:00
Marcel Holtmann
a2a59e78fa monitor: Extract PAE port traffic out of PCAP files and decode it 2014-08-10 18:32:11 -07:00
Marcel Holtmann
9fbd454c88 monitor: Fix check for netlink hardware and protocol type 2014-08-10 17:33:48 -07:00
Marcel Holtmann
4a5f30bbc2 monitor: Listing to Ethernet packets on PAE port and display them 2014-08-10 14:57:28 -07:00
Marcel Holtmann
a65362f510 monitor: Fix missing timestamp handling for netlink messages 2014-08-10 14:35:33 -07:00
Marcel Holtmann
d8ed30e13b monitor: Decode OUI portion of vendor specific information elements 2014-08-10 13:21:49 -07:00
Marcel Holtmann
b4eb544355 monitor: Handle timestamp and real packet length information 2014-08-10 12:45:56 -07:00
Marcel Holtmann
b91bb55206 monitor: Use packet buffer of 16 kilobytes to allow large frames 2014-08-10 12:25:20 -07:00
Marcel Holtmann
9cdb52a167 monitor: Fix issue with large packets in PCAP files 2014-08-10 12:19:58 -07:00
Marcel Holtmann
91c305d9af monitor: Adjust indentation for IE binary data information 2014-08-10 11:41:51 -07:00
Marcel Holtmann
da3c7310a0 monitor: Add support for decoding connection quality monitor attributes 2014-08-10 11:35:16 -07:00
Marcel Holtmann
4ec7eb1c74 monitor: Add support for decoding station info and flags 2014-08-10 11:32:30 -07:00
Marcel Holtmann
c80877808f monitor: Print error message string for dump requests 2014-08-10 10:38:14 -07:00
Marcel Holtmann
bbca35c57b monitor: Add support for decoding frame types 2014-08-10 01:01:47 -07:00
Marcel Holtmann
c50d624e55 monitor: Decode information elements binary into individual tags 2014-08-10 00:14:29 -07:00
Marcel Holtmann
0394da4ce2 monitor: Add support for custom decoding functions 2014-08-10 00:07:53 -07:00
Marcel Holtmann
55bbf22edb monitor: Enable kernel side timestamps and make them available 2014-08-09 23:48:25 -07:00
Marcel Holtmann
7a1bb1e953 monitor: Improve message and attribute display handling 2014-08-09 22:59:42 -07:00
Marcel Holtmann
9635f317c0 monitor: Add support for builtin pager functionality 2014-08-09 19:29:48 -07:00
Marcel Holtmann
8c5de4fd1f monitor: Fix printing of netlink error codes 2014-08-09 19:22:19 -07:00
Marcel Holtmann
7689d2202f monitor: Print netlink command complete error messages 2014-08-09 16:34:39 -07:00
Marcel Holtmann
df718dda94 monitor: Fix issue with enabling PACKET_MR_ALLMULTI option 2014-08-09 13:03:30 -07:00
Marcel Holtmann
933ac55cce monitor: Try to enable PACKET_MR_ALLMULTI on netlink monitor device 2014-08-09 12:32:55 -07:00
Marcel Holtmann
b5b292ee25 monitor: Terminate program when setup of netlink monitor failed 2014-08-09 12:32:29 -07:00
Marcel Holtmann
ebeeb143cb monitor: The BSS status attribute is a 32-bit unsigned integer 2014-08-09 10:38:23 -07:00
Marcel Holtmann
9694998f28 monitor: Minor typo fix in usage text 2014-08-08 15:20:24 -07:00
Marcel Holtmann
34f5c56199 monitor: Print program description and version 2014-08-07 01:01:28 +02:00
Marcel Holtmann
609cc86717 monitor: Do not abort when receiving unknown ARPHRD 2014-08-06 06:52:09 +02:00
Marcel Holtmann
e4e45566d9 monitor: Some attributes are either flags or unsigned 16-bit integers 2014-08-06 05:49:12 +02:00
Marcel Holtmann
19bdbc3c2d monitor: Add support for nested array attributes 2014-08-06 04:47:10 +02:00
Marcel Holtmann
d5989e62ed monitor: Fix casting for 8-bit and 16-bit unsigned integers 2014-08-06 04:42:59 +02:00
Marcel Holtmann
f0e7bb7509 monitor: Add support for decoding attributes in BSS information 2014-08-06 04:02:15 +02:00
Marcel Holtmann
477682ad5d monitor: Add support for attributes containing signed 32-bit integers 2014-08-06 04:01:49 +02:00
Marcel Holtmann
080338ba41 monitor: Print address attributes as strings and not binary 2014-08-06 04:01:12 +02:00
Marcel Holtmann
8b11aedacd monitor: Read the generic netlink id from the trace file 2014-08-06 00:27:19 +02:00
Marcel Holtmann
d484715a17 monitor: Check that protocol type is set to generic netlink 2014-08-06 00:12:20 +02:00
Marcel Holtmann
d0068dcf4c monitor: Add support for reading traces from PCAP files 2014-08-05 22:40:43 +02:00
Marcel Holtmann
ce202ac843 monitor: Add helper functions for parsing-only netlink monitor 2014-08-05 22:37:31 +02:00
Marcel Holtmann
e260854da3 monitor: Add command line option for netlink monitor device 2014-08-05 21:39:54 +02:00
Marcel Holtmann
81118dfc1f monitor: Add initial support for nested attribute decoding 2014-08-03 22:07:07 +02:00
Marcel Holtmann
dfcb1ddbc1 monitor: Print data packet for unknown attributes 2014-08-03 08:38:55 +02:00
Marcel Holtmann
db60e4d48f monitor: Add initial version of iwmon utitlity 2014-08-03 06:03:53 +02:00