1. Extract Method: validate_crc_s5 - Combine various copy-pasted
sections.
2. For CRC S5 failures, it would previously show the failure as part of
CRC S5_2, which is misleading. Now, show the failure as part of the
overall status.
Notes:
1. There are no functionality changes with this delivery
2. This change is to reduce manual copying between structs. This will make it easier to add upcoming feature changes, and fix some connection handling issues (future merge requests).
3. Combine enip_conn_val_t and cip_conn_info_t. Previously, there were 2 different structs to track information about an overall CIP Connection.
The static arrays are supposed to be arrays of const pointers to int,
not arrays of non-const pointers to const int.
Fixing that means some bugs (scribbling on what's *supposed* to be a
const array) will be caught (see packet-ieee80211-radiotap.c for
examples, the first of which inspired this change and the second of
which was discovered while testing compiles with this change), and
removes the need for some annoying casts.
Also make some of those arrays static while we're at it.
Update documentation and dissector-generator tools.
Change-Id: I789da5fc60aadc15797cefecfd9a9fbe9a130ccc
Reviewed-on: https://code.wireshark.org/review/37517
Petri-Dish: Guy Harris <gharris@sonic.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. Dissect the Motion Configuration Block from the Forward Open
2. Add Motion Attributes related to #1
3. Save the first/last segment for certain segment types in an EPATH.
Behavior changes based on the values in first segments for a given type,
vs later segments.
Change-Id: Id0552a585d158041c13adfa50f4bb164cada79b7
Reviewed-on: https://code.wireshark.org/review/37168
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This matches the wording in the Spec.
Change-Id: I566da78e88ff5aaa832c657dd74b5c590ee6b4aa
Reviewed-on: https://code.wireshark.org/review/36479
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Change all wireshark.org URLs to use https.
Fix some broken links while we're at it.
Change-Id: I161bf8eeca43b8027605acea666032da86f5ea1c
Reviewed-on: https://code.wireshark.org/review/34089
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Remove most cases where we were processing CI_GRC_SERVICE_ERROR as a
success condition.
Leave CI_GRC_SERVICE_ERROR in some cases where this may make sense, eg:
Modbus embedded messages may still want to be parsed as the embedded
format.
Bug: 15669
Change-Id: I44cae1ea8d3bacd6291a3118750f8a9e825de044
Reviewed-on: https://code.wireshark.org/review/32874
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Corrected the Multicast Active/Idle true_false_string order
Change-Id: I1753f4cfc9e1ea138789a236976b649607d74831
Reviewed-on: https://code.wireshark.org/review/31567
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
SNN = Safety Network Number
No functional/parsing changes.
Changes:
1. Fix some display fields and filter names that previously used the
incorrect ssn naming.
2. Changed all variable names in a similar way.
Change-Id: I7bdc52a5aef31a9c6007545d5a79c99bab6cd184
Reviewed-on: https://code.wireshark.org/review/31549
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This was previously being parsed as a UNID, which is not correct.
Change-Id: I2f9fc17debf3ce60d35d71a28bd1d19f54a1b982
Reviewed-on: https://code.wireshark.org/review/31441
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
DATE_AND_TIME struct is actually time then date. We were previously
parsing it as date then time.
Change-Id: I7367b5502318de32b7c9e7fd170ae58de4c3347f
Reviewed-on: https://code.wireshark.org/review/31431
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Make the time stamp precision a 4-bit bitfield, so, when combined with
the other bitfields, we have 32 bits. That means we put the flags at
the same structure level as the time stamp precision, so they can be
combined; that gets rid of an extra "flags." for references to the flags.
Put the two pointers next to each other, and after a multiple of 8 bytes
worth of other fields, so that there's no padding before or between them.
It's still not down to 64 bytes, which is the next lower power of 2, so
there's more work to do.
Change-Id: I6f3e9d9f6f48137bbee8f100c152d2c42adb8fbe
Reviewed-on: https://code.wireshark.org/review/31213
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot
Reviewed-by: Guy Harris <guy@alum.mit.edu>
1. Add 2x new Safety Supervisor services
2. Add more enum types for Device Status
3. Match field names to current spec
4. Add some BASE_UNIT_STRING units
Change-Id: I8fedb7cea55fb44eccf641ca60ab849847db2620
Reviewed-on: https://code.wireshark.org/review/31001
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. For each connected data message, display generated connection
information including:
a. Connection Path from the initial connection
b. API values
c. Forward Open packet number. (This already existed, but moving it to a
consistent place in the tree)
2. Display O->T or T->O in the Info column depending on the direction of data.
3. Remove cip.conn_path_class filter. This was originally added to show
which type of data is in a given packet. But, it's not really needed
anymore because we have the generated connection path in each connected
data packet now.
4. Ensure dummy structs used for Decode As menus are zeroed out.
5. memset -> zero initialization
pcaps from the following bug reports are good examples:
Bug: 14939
Bug: 6617
Bug: 14916
Bug: 14958
Change-Id: I63885a5ca41f95e04f855a1e1dcd9ab3684f7eec
Reviewed-on: https://code.wireshark.org/review/30808
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
The following CIP Safety Supervisor services skipped processing the first byte:
Safety Reset
Configuration Lock
Mode Change
Change-Id: I90e411ced410f9924565d50c8d6bf44e92859e2c
Reviewed-on: https://code.wireshark.org/review/30728
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. CIP Generic I/O: Add a "Decode As" option for CIP Class 1
2. Combine the 2 CIP conversation filters into one. There would never have
been more than 1 selected. This should be easier for users and less
clutter in the conversation menu.
3. CIP Safety: Name the data field as cipsafety.data instead of
enip.connection_transport_data, to make it like other CIP I/O data.
4. Minor: Rename some more variables/functions from enip to cip, to
reflect which actual protocol these are.
Change-Id: Id895f412e3584a5efcb7e69175a1b2bb3d5e9627
Reviewed-on: https://code.wireshark.org/review/28610
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. Add new dissector table that allows for registration of CIP Class 0/1 I/O
against CIP Class that was used in the Forward Open. CIP Safety is still
a special case that gets checked before this table. The default handling is
generic CIP Class 0/1 I/O.
2. Changed most I/O items labelled "ENIP" to "CIP I/O". ENIP is a separate
protocol/layer, and all the I/O traffic is actually CIP. It was very
confusing explaining to people they had to look at the wrong protocol
layer in Wireshark before.
3. Add the generic Class 0/1 I/O as a separate tree layer. CIP Motion and
CIP Safety I/O were already doing this.
4. Update CIP conversation filtering naming to be more accurate.
5. Clean up some offset handling
Change-Id: I1c226fe1bd8974ed0e90640c875bef21f15f3095
Reviewed-on: https://code.wireshark.org/review/28290
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. Connection Serial Number, Vendor ID, and Device Serial Number are always
used as a group. Group these as a struct to make them easier to manage.
2. Pull out common code into dissect_connection_triad()
No functional changes.
Change-Id: Ide126f8d0ea6ab8e2de5abf20e12643d5a35924d
Reviewed-on: https://code.wireshark.org/review/27926
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. Convert more things to proto_tree_add_bitmask
2. Remove unnecessary pathpos param everywhere
3. Replace some tvb_get_xxx with proto_tree_add_item_ret_uint
4. Remove unused variables, params
5. Remove if(tree)
There are no functional changes. In the area where there is a lot of
diff (eg: pathpos), I verified using the pcap from Bug: 12049, and
compared the PDML output before and after, just as a sanity check.
Change-Id: I9564172ccece558cf1877b667f713b584a00d73f
Reviewed-on: https://code.wireshark.org/review/27642
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Previously, checksum code would override the expert_field summary
string configured by dissectors, and display the generic "Bad checksum"
string in the Expert Information dialog.
This change uses the configured expert_field summary string instead.
eg: "CRC-S1 incorrect [should be 0xff]" instead of "Bad checksum [should
be 0xff]"
This fixes problem #2 in the linked bug.
Bug: 14425
Change-Id: I168b2be92ec2d8d6f956beeaf6292574bc1d9dab
Reviewed-on: https://code.wireshark.org/review/25758
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Petri-Dish: Peter Wu <peter@lekensteyn.nl>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
This lets us get rid of some casts that provoke "drops const qualifier"
warnings.
Change-Id: Ia7e0863bd97bc20dbbb810e13778ec78d0cf3c91
Reviewed-on: https://code.wireshark.org/review/25837
Reviewed-by: Guy Harris <guy@alum.mit.edu>
1. Add Decode Options for 4 Safety I/O types. Previously, you could only decode as "CIP Safety", which only showed as a generic data block (because all important things for parsing are in the FwdOpen).
2. Change some timestamp display formatting to match other related timestamp fields (now all Dec)
3. Don't create connections for Null Forward Opens.
Change-Id: Ia1031b3887739a864a453b9e566ebe6f29fa5b8b
Reviewed-on: https://code.wireshark.org/review/25664
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Michael Mann <mmann78@netscape.net>
Slight adjustment to I394fa91a5cfa1700fb12441d4884c0367b39df8b
Change-Id: Id097a39265f49a79f3d39855ef6b5c95ffe8c4f1
Reviewed-on: https://code.wireshark.org/review/24654
Reviewed-by: Michael Mann <mmann78@netscape.net>
Otherwise we can call CRC functions with a negative value, leading to
a segmentation fault.
Bug: 14250
Change-Id: I394fa91a5cfa1700fb12441d4884c0367b39df8b
Reviewed-on: https://code.wireshark.org/review/24621
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
It defines a ws_in4_addr type, which is intended to hold IPv4 addresses
in network byte order, and some macros to test for IPv4 addresses in the
local network control block and multicast IPv4 addresses.
Use those macros in places where dissectors had their own code for that
purpose.
Change-Id: I4252b410e37207157be85119a332e2a6913b332f
Reviewed-on: https://code.wireshark.org/review/24178
Reviewed-by: Guy Harris <guy@alum.mit.edu>
Change-Id: Id5d9972f527e94164b61bf420ddf9c444d90235b
Reviewed-on: https://code.wireshark.org/review/20607
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Change-Id: I44f7ff6980f27b1a0d4199a91f9b217aec7e4652
Reviewed-on: https://code.wireshark.org/review/20557
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. CIP: Instead of exiting early in dissect_cip_generic_service_req/rsp when there is no data, keep processing so that a malformed packet warning will be displayed when there should be data.
2. CIP Safety: Remove copy-paste. Use load_cip_request_data
3. CIP Safety: Use more constants.
Change-Id: Ic364201f1e587b43cf2bda407fb77b50032974ae
Reviewed-on: https://code.wireshark.org/review/20549
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
1. CIP Safety: SERCOS Safety Network Number attribute should be 6 bytes. Don't just use all remaining bytes
2. Remove cip_byte_array type. The last remaining usage was #1 above and it really shouldn't be used in the future. Any attribute that would eat up all remaining bytes would have issues with Get Attribute List responses and Set Attribute List requests.
3. Optional Attribute List: Display the attribute name if known.
4. Port: Display Port Number name
5. Port: Associated Communication Objects attribute
Change-Id: I94d99bb1f07aa4b8c44949b2ffb5d75e72483459
Reviewed-on: https://code.wireshark.org/review/19374
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Michael Mann <mmann78@netscape.net>
1. CIP Safety: Exception Detail Alarm and Exception Detail Warning both were not parsing their 3 parts because the offset was not increased. Fixed the offsets and combined the functions because they have the same format.
2. CIP: Forward Open Safety Response had wrong offsets so it was parsing incorrectly. This incorrectly showed as Malformed.
3. CIP Safety: Pass in tvb to proto_tree_add_subtree() instead of NULL. This was causing a Dissector bug (seems only on trunk, not 2.2). This was already done for packet-cip.c under https://code.wireshark.org/review/#/c/16748/
4. Some minor typos
Change-Id: I63e8d200cd3408c16ca0a1edbc483c3bb8298d3b
Reviewed-on: https://code.wireshark.org/review/18100
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
1. Switched to common way to parse Get Attr All, using dissect_cip_get_attribute_all_rsp, for CCO (class version) and CIP Validator. This also fixed a missing attribute in the old CIP Validator code.
2. Add cip_string2 attribute implementation
3. For CIP Validator, set the protocol as "CIPS Validator", previously this was "CIPS Supervisor".
4. For classes with subdissectors, add the service to the Info column in the response.
Change-Id: Id9593ca39497261075df8146cf63ee9581462e2a
Reviewed-on: https://code.wireshark.org/review/14837
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
When the "Display enhanced Info column data" preference is set, ensure that:
1. For non-MSP packets, path information (class/symbol) is displayed in the Info column for Forward Open, Forward Close, regular Message Router Request/Response messages
2. For MSP packets, don't display the class/symbol in the Info column (it's too wordy)
This now relies on an extra boolean passed to dissect_cip_data() to handle #2 above. Previously, this relied on checking a proto_item* for NULL, which is not correct.
Change-Id: I7532660bcb23bd664c1f5532256755922c4937d1
Reviewed-on: https://code.wireshark.org/review/14458
Reviewed-by: Guy Harris <guy@alum.mit.edu>
A dissector must never assume that it will, or won't, be called with a
protocol tree; it's up to the Wireshark/TShark/etc. core to decide
whether to do it, and it can change its behavior over time or even
change it from release to release.
Have dissect_epath() take an argument that explicitly indicates whether
to add the CIP class to the Info column, rather than assuming that you
do so only if the tree pointer passed to it is null.
Bug: 12257
Change-Id: Ide8a6fc21252880f849a8d0aa4659a675bb3ae04
Reviewed-on: https://code.wireshark.org/review/14456
Reviewed-by: Guy Harris <guy@alum.mit.edu>
1. Remove "Object" from CIP class names. It was already removed from some of the objects, the string "Object" is implied for all objects, and it helps reduce wordiness in the Info column.
2. Don't display Class/Symbol name in the Info column when it's inside a MSP.
3. Enable enhanced Info column by default now that some of the additional wordiness was removed by the above points.
4. Put single quotes around the symbol name in the Info column. This makes it more obvious that something is a symbol instead of an actual class name from the spec, and would prevent ambiguity if the symbol name was something like "Identity".
5. Print the CIP service for both requests/responses in CIP Safety processing. This was already added to normal CIP.
6. Display Class/Symbol and service on the Service Packet in the MSP tree. This makes it easier to find without expanding every MSP item.
Change-Id: I7197dd4bf3dad6d7bdba247d3d7ab76cca52c785
Reviewed-on: https://code.wireshark.org/review/14325
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: D. Ulis <daulis0@gmail.com>
Reviewed-by: Michael Mann <mmann78@netscape.net>
David Perry