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* Add routines for adding items to a protocol tree that take arguments ofGuy Harris2000-05-311-92/+92
| | | | | | | | | | | | | | | | | a particular type, rather than taking a varargs list, along the lines of the "proto_tree_add_XXX_format()" routines. Replace most calls to "proto_tree_add_item()" and "proto_tree_add_item_hidden()" with calls to those routines. Rename "proto_tree_add_item()" and "proto_tree_add_item_hidden()" to "proto_tree_add_item_old()" and "proto_tree_add_item_hidden_old()", and add new "proto_tree_add_item()" and "proto_tree_add_item_hidden()" routines that don't take the item to be added as an argument - instead, they fetch the argument from the packet whose tvbuff was handed to them, from the offset handed to them. svn path=/trunk/; revision=2031
* Add tvbuff class.Gilbert Ramirez2000-05-111-105/+105
| | | | | | | | | | | | | | | Add exceptions routines. Convert proto_tree_add_*() routines to require tvbuff_t* argument. Convert all dissectors to pass NULL argument ("NullTVB" macro == NULL) as the tvbuff_t* argument to proto_tree_add_*() routines. dissect_packet() creates a tvbuff_t, wraps the next dissect call in a TRY block, will print "Short Frame" on the proto_tree if a BoundsError exception is caught. The FDDI dissector is converted to use tvbuff's. svn path=/trunk/; revision=1939
* Register a "llc.dsap" dissector table for 802.2 LLC, and have dissectorsGuy Harris2000-04-171-2/+9
| | | | | | | | | | for protocols that run inside 802.2 LLC register themselves with it using "dissector_add()". Make various dissectors static if they can be, and remove from header files declarations of those dissectors. svn path=/trunk/; revision=1872
* Consolidate flags in struct frame_data, and add "visited" flag. UseGilbert Ramirez2000-04-131-2/+2
| | | | | | | | | it in SOCKS dissector. (Okay, how many times am I going to modify packet.h today, forcing you to re-compile everything? :-) svn path=/trunk/; revision=1850
* Break proto_tree_add_item_format() into multiple functions:Gilbert Ramirez2000-03-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | proto_tree_add_protocol_format() proto_tree_add_uint_format() proto_tree_add_ipxnet_format() proto_tree_add_ipv4_format() proto_tree_add_ipv6_format() proto_tree_add_bytes_format() proto_tree_add_string_format() proto_tree_add_ether_format() proto_tree_add_time_format() proto_tree_add_double_format() proto_tree_add_boolean_format() If using GCC 2.x, we can check the print-format against the variable args passed in. Regardless of compiler, we can now check at run-time that the field type passed into the function corresponds to what that function expects (FT_UINT, FT_BOOLEAN, etc.) Note that proto_tree_add_protocol_format() does not require a value field, since the value of a protocol is always NULL. It's more intuitive w/o the vestigial argument. Fixed a proto_tree_add_item_format-related bug in packet-isis-hello.c Fixed a variable usage bug in packet-v120.c. (ett_* was used instead of hf_*) Checked in Guy's fix for the function declearation for proto_tree_add_text() and proto_tree_add_notext(). svn path=/trunk/; revision=1713
* Fix Gerald's e-mail address.Guy Harris2000-01-071-2/+2
| | | | svn path=/trunk/; revision=1437
* A "character encoding" variable is now set per packet. The existenceGilbert Ramirez1999-11-221-1/+4
| | | | | | | | | | of SNA in a packet changes the character encoding from the default ASCII to EBCDIC. The hex-printing routines in the GUI code and in the printing code convert to EBCDIC if appropriate. svn path=/trunk/; revision=1089
* Replace the ETT_ "enum" members, declared in "packet.h", withGuy Harris1999-11-161-20/+37
| | | | | | | | | | | | | | | | | dynamically-assigned "ett_" integer values, assigned by "proto_register_subtree_array()"; this: obviates the need to update "packet.h" whenever you add a new subtree type - you only have to add a call to "proto_register_subtree_array()" to a "register" routine and an array of pointers to "ett_", if they're not already there, and add a pointer to the new "ett_" variable to the array, if they are there; would allow run-time-loaded dissectors to allocate subtree types when they're loaded. svn path=/trunk/; revision=1043
* Removed erroneous g_assert().Gilbert Ramirez1999-10-261-3/+1
| | | | svn path=/trunk/; revision=928
* Add support for SNA FID type 4 addresses to the code that handles theGuy Harris1999-10-221-10/+35
| | | | | | | | "address" type. Use that in the SNA FID type 4 dissector. svn path=/trunk/; revision=915
* Generalize the "ip_src" and "ip_dst" members of the "packet_info"Guy Harris1999-10-221-17/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | structure to "dl_src"/"dl_dst", "net_src"/"net_dst", and "src"/"dst" addresses, where an address is an address type, an address length in bytes, and a pointer to that many bytes. "dl_{src,dst}" are the link-layer source/destination; "net_{src,dst}" are the network-layer source/destination; "{src,dst}" are the source/destination from the highest of those two layers that we have in the packet. Add a port type to "packet_info" as well, specifying whether it's a TCP or UDP port. Don't set the address and port columns in the dissector functions; just set the address and port members of the "packet_info" structure. Set the columns in "fill_in_columns()"; this means that if we're showing COL_{DEF,RES,UNRES}_SRC" or "COL_{DEF,RES,UNRES}_DST", we only generate the string from "src" or "dst", we don't generate a string for the link-layer address and then overwrite it with a string for the network-layer address (generating those strings costs CPU). Add support for "conversations", where a "conversation" is (at present) a source and destination address and a source and destination port. (In the future, we may support "conversations" above the transport layer, e.g. a TFTP conversation, where the first packet goes from the client to the TFTP server port, but the reply comes back from a different port, and all subsequent packets go between the client address/port and the server address/new port, or an NFS conversation, which might include lock manager, status monitor, and mount packets, as well as NFS packets.) Currently, all we support is a call that takes the source and destination address/port pairs, looks them up in a hash table, and: if nothing is found, creates a new entry in the hash table, and assigns it a unique 32-bit conversation ID, and returns that conversation ID; if an entry is found, returns its conversation ID. Use that in the SMB and AFS code to keep track of individual SMB or AFS conversations. We need to match up requests and replies, as, for certain replies, the operation code for the request to which it's a reply doesn't show up in the reply - you have to find the request with a matching transaction ID. Transaction IDs are per-conversation, so the hash table for requests should include a conversation ID and transaction ID as the key. This allows SMB and AFS decoders to handle IPv4 or IPv6 addresses transparently (and should allow the SMB decoder to handle NetBIOS atop other protocols as well, if the source and destination address and port values in the "packet_info" structure are set appropriately). In the "Follow TCP Connection" code, check to make sure that the addresses are IPv4 addressses; ultimately, that code should be changed to use the conversation code instead, which will let it handle IPv6 transparently. svn path=/trunk/; revision=909
* Finished the last two TH types.Gilbert Ramirez1999-10-211-5/+119
| | | | svn path=/trunk/; revision=899
* Finally finished FID4 Transmission Header decoding.Gilbert Ramirez1999-10-201-7/+228
| | | | svn path=/trunk/; revision=890
* Fixes to SNA address display in proto_tree and clist.Gilbert Ramirez1999-10-181-33/+71
| | | | svn path=/trunk/; revision=882
* Decode more TH types.Gilbert Ramirez1999-10-181-5/+196
| | | | svn path=/trunk/; revision=881
* New proto_tree header_field_info stuff. Header_field_infos now containGilbert Ramirez1999-10-121-0/+604
the base for numbers to be displayed in, bitmasks for bitfields, and blurbs (which are one or two sentences describing the field). proto_tree_add*() routines now automatically handle bitfields. You tell it which header field you are adding, and just pass it the value of the entire field, and the proto_tree routines will do the masking and shifting for you. This means that bitfields are more naturally filtered via dfilter now. Added Phil Techau's support for signed integers in dfilters/proto_tree. Added the beginning of the SNA dissector. It's not complete, but I'm committing it now because it has example after example of how to use bitfields with the new header_field_info struct and proto_tree routines. It was the impetus to change how header_field_info works. svn path=/trunk/; revision=815