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Commit Graph

287 Commits

Author SHA1 Message Date
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