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2002-01-24Replace a bunch of "tvb_length()" and "tvb_length_remaining()" calls inGuy Harris1-3/+3
arguments to "proto_tree_add_text()", and to "proto_tree_add_XXX()" calls that add FT_NONE or FT_PROTO items to the protocol tree, with -1. Replace some calls to "tvb_length()" or "tvb_length_remaining()" with calls to "tvb_reported_length()" and "tvb_reported_length_remaining()", as those give the actual length of the data in the packet, not just the data that happened to be captured. svn path=/trunk/; revision=4605
2002-01-21Include files from the "epan" directory and subdirectories thereof withGuy Harris1-3/+3
"epan/..." pathnames, so as to avoid collisions with header files in any of the directories in which we look (e.g., "proto.h", as some other package has its own "proto.h" file which it installs in the top-level include directory). Don't add "-I" flags to search "epan", as that's no longer necessary (and we want includes of "epan" headers to fail if the "epan/" is left out, so that we don't re-introduce includes lacking "epan/"). svn path=/trunk/; revision=4586
2001-12-10Move the pointer to the "column_info" structure in the "frame_data"Guy Harris1-6/+6
structure to the "packet_info" structure; only stuff that's permanently stored with each frame should be in the "frame_data" structure, and the "column_info" structure is not guaranteed to hold the column values for that frame at all times - it was only in the "frame_data" structure so that it could be passed to dissectors, and, as all dissectors are now passed a pointer to a "packet_info" structure, it could just as well be put in the "packet_info" structure. That saves memory, by shrinking the "frame_data" structure (there's one of those per frame), and also lets us clean up the code a bit. svn path=/trunk/; revision=4370
2001-12-08Attach a descriptive name field type and base to dissector tables; thatGuy Harris1-2/+3
specifies how the selector values used as keys in those tables are to be displayed, and the title to use when displaying the table. Use that information in the code to display the initial and current entries of various dissector tables. Have the dissector for BACnet APDUs register itself by name, and have the BACnet NPDU dissector call it iff the BAC_CONTROL_NET bit isn't set, rather than doing it with a dissector table. svn path=/trunk/; revision=4358
2001-12-03Make "dissector_add()", "dissector_delete()", and "dissector_change()"Guy Harris1-16/+13
take a dissector handle as an argument, rather than a pointer to a dissector function and a protocol ID. Associate dissector handles with dissector table entries. svn path=/trunk/; revision=4308
2001-11-26Moved from using dissect_data() to using call_dissector()Ed Warnicke1-2/+5
svn path=/trunk/; revision=4269
2001-11-18Added hooks to allow the registration of heuristic subdissectors ofEd Warnicke1-1/+19
http. svn path=/trunk/; revision=4217
2001-09-04Change from Thomas Wittwer to register HTTP dissector by name, for otherGuy Harris1-1/+3
dissectors to call. svn path=/trunk/; revision=3905
2001-06-18From Joerg Mayer: explicitly fill in all members of aGuy Harris1-4/+4
"header_field_info" structure, including the ones that are later set by the routines to register fields. svn path=/trunk/; revision=3561
2001-01-22Remove more "CHECK_DISPLAY_AS_DATA()" calls and "pinfo->current_proto ="Guy Harris1-5/+5
statements. Move the setting of the Protocol column in various dissectors before anything is fetched from the packet, and also clear the Info column at that point in those and some other dissectors, so that if an exception is thrown, the columns don't reflect the previous protocol. svn path=/trunk/; revision=2932
2001-01-11Provide a way by which protocols that run atop HTTP, such as IPP, canGuy Harris1-125/+123
register their port as being for XXX-over-HTTP; the HTTP dissector registers that port in the "tcp.port" table as an HTTP port, and registers it in its *own* table with the dissector and protocol provided to it. Parse the HTTP MIME headers regardless of whether we're building a protocol tree or not; we have to do so in order to find the offset of the payload, to hand to an XXX-over-HTTP dissector. svn path=/trunk/; revision=2872
2001-01-11"dissect_http()" doesn't need to be global any more; make it static.Guy Harris1-2/+8
svn path=/trunk/; revision=2870
2001-01-11There's no need to register port 631 twice for IPP; do so only once.Guy Harris1-5/+30
Leave notes for a future rethinking of the way we handle protocols that run atop HTTP. svn path=/trunk/; revision=2869
2001-01-09Add an additional "protocol index" argument to "{old_}dissector_add()",Guy Harris1-7/+10
"{old_}heur_dissector_add()", "{old_}conv_dissector_add()", and "register_dissector()", so that an entry in those tables has associated with it the protocol index of the protocol the dissector handles (or -1, if there is no protocol index for it). This is for future use in a number of places. (Arguably, "proto_register_protocol()" should take a dissector pointer as an argument, but 1) it'd have to handle both regular and heuristic dissectors; 2) making it take either a "dissector_t" or a union of that and a "heur_dissector_t" introduces some painful header-file interdependencies so I'm punting on that for now. As with other Ethereal internal APIs, these APIs are subject to change in the future, at least until Ethereal 1.0 comes out....) svn path=/trunk/; revision=2849
2001-01-03Have "proto_register_protocol()" build a list of data structures forGuy Harris1-2/+2
protocols, in addition to adding structures to the list of filterable fields. Give it an extra argument that specifies a "short name" for the protocol, for use in such places as pinfo->current_proto; the dialog box for constructing filters; the preferences tab for the protocol; and so on (although we're not yet using it in all those places). Make the preference name that appears in the preferences file and the command line for the DIAMETER protocol "diameter", not "Diameter"; the convention is that the name in question be all-lower-case. Make some routines and variables that aren't exported static. Update a comment in the ICP dissector to make it clear that the dissector won't see fragments other than the first fragment of a fragmented datagram. svn path=/trunk/; revision=2810
2001-01-03Support for HTTP methods added by GENA (the uPnP protocol), and for theGuy Harris1-4/+87
HTTP-based SSDP protocol, from David Hampton. svn path=/trunk/; revision=2808
2000-11-21Initialize "http_type" to HTTP_OTHERS before callingGuy Harris1-1/+3
"is_http_request_or_reply()", so that if "is_http_request_or_reply()" decides the line is part of a request or a response it'll set "*type" (which it does only if "*type" is HTTP_OTHERS). svn path=/trunk/; revision=2690
2000-11-19For each column, have both a buffer into which strings for that columnGuy Harris1-3/+3
can be put, and a pointer to the string for the column, which might or might not point to that buffer. Add a routine "col_set_str()", which sets the string for the column to the string passed to it as an argument; it should only be handed a static string (a string constant would be ideal). It doesn't do any copying, so it's faster than "col_add_str()". Make the routines that append to columns check whether the pointer to the string for the column points to the buffer for the column and, if not, copy the string for the column to the buffer for the column so that you can append to it (so you can use "col_set_str()" and then use "col_append_str()" or "col_append_fstr()"). Convert a bunch of "col_add_str()" calls that take a string constant as an argument to "col_set_str()" calls. Convert some "col_add_fstr()" calls that take a string constant as the only argument - i.e., the format string doesn't have any "%" slots into which to put strings for subsequent arguments to "col_set_str()" calls (those calls are just like "col_add_str()" calls). Replace an END_OF_FRAME reference in a tvbuffified dissector with a "tvb_length(tvb)" call. svn path=/trunk/; revision=2670
2000-11-16Tvbuffify the STP dissector, have it register itself and have the LLCGuy Harris1-4/+4
dissector call it through a handle, and make it static. Give "dissect_data()" an "offset" argument, so dissectors can use it to dissect part of the packet without having to cook up a new tvbuff. Go back to using "dissect_data()" to dissect the data in an IPP request. svn path=/trunk/; revision=2651
2000-11-15Tvbuffify the IPP dissector, and have it register itself rather thanGuy Harris1-10/+10
being a global function. The HTTP dissector should set "pinfo->current_proto" to HTTP even if we consider the packet to be IPP, so that if we run past the end of a tvbuff while dissecting HTTP stuff it's reported as a problem with HTTP, not IPP. svn path=/trunk/; revision=2648
2000-11-13Use "tvb_offset_exists()" rather than "tvb_length_remaining()" to checkGuy Harris1-2/+2
whether there's any data left in the tvbuff starting at a specified offset. svn path=/trunk/; revision=2636
2000-11-09Tvbuffify the HTTP, NNTP, RSH, RTSP, and Telnet dissectors.Guy Harris1-70/+93
Add "tvb_find_line_end()", to find a CR and/or LF-terminated line in a tvbuff and return its length and the offset of the character after the line end, for the use of those dissectors. Add "tvb_strncaseeql()", which is like "tvb_strneql()" except that it does a case-insensitive comparison. svn path=/trunk/; revision=2590
2000-10-19Patch from Isaac Wilcox to do case-sensitive checks for HTTP methods andGuy Harris1-16/+13
to look for a space after the method name. svn path=/trunk/; revision=2515
2000-09-30Don't put any "\r" and/or "\n" at the end of an HTTP request or replyGuy Harris1-3/+4
into the "Info" column. svn path=/trunk/; revision=2468
2000-09-11Move format_text(), get_token_len(), and fine_line_end(), into strutil.cGilbert Ramirez1-1/+2
This keeps tvbuff.c generic; it doesn't have to pull in packet.h and all of it's included files. svn path=/trunk/; revision=2409
2000-08-13Add the "Edit:Protocols..." feature which currently only implementsLaurent Deniel1-1/+3
the following: It is now possible to enable/disable a particular protocol decoding (i.e. the protocol dissector is void or not). When a protocol is disabled, it is displayed as Data and of course, all linked sub-protocols are disabled as well. Disabling a protocol could be interesting: - in case of buggy dissectors - in case of wrong heuristics - for performance reasons - to decode the data as another protocol (TODO) Currently (if I am not wrong), all dissectors but NFS can be disabled (and dissectors that do not register protocols :-) I do not like the way the RPC sub-dissectors are disabled (in the sub-dissectors) since this could be done in the RPC dissector itself, knowing the sub-protocol hfinfo entry (this is why, I've not modified the NFS one yet). Two functions are added in proto.c : gboolean proto_is_protocol_enabled(int n); void proto_set_decoding(int n, gboolean enabled); and two MACROs which can be used in dissectors: OLD_CHECK_DISPLAY_AS_DATA(index, pd, offset, fd, tree) CHECK_DISPLAY_AS_DATA(index, tvb, pinfo, tree) See also the XXX in proto_dlg.c and proto.c around the new functions. svn path=/trunk/; revision=2267
2000-08-07Allow either old-style (pre-tvbuff) or new-style (tvbuffified)Guy Harris1-6/+6
dissectors to be registered as dissectors for particular ports, registered as heuristic dissectors, and registered as dissectors for conversations, and have routines to be used both by old-style and new-style dissectors to call registered dissectors. Have the code that calls those dissectors translate the arguments as necessary. (For conversation dissectors, replace "find_conversation_dissector()", which just returns a pointer to the dissector, with "old_try_conversation_dissector()" and "try_conversation_dissector()", which actually call the dissector, so that there's a single place at which we can do that translation. Also make "dissector_lookup()" static and, instead of calling it and, if it returns a non-null pointer, calling that dissector, just use "old_dissector_try_port()" or "dissector_try_port()", for the same reason.) This allows some dissectors that took old-style arguments and immediately translated them to new-style arguments to just take new-style arguments; make them do so. It also allows some new-style dissectors not to have to translate arguments before calling routines to look up and call dissectors; make them not do so. Get rid of checks for too-short frames in new-style dissectors - the tvbuff code does those checks for you. Give the routines to register old-style dissectors, and to call dissectors from old-style dissectors, names beginning with "old_", with the routines for new-style dissectors not having the "old_". Update the dissectors that use those routines appropriately. Rename "dissect_data()" to "old_dissect_data()", and "dissect_data_tvb()" to "dissect_data()". svn path=/trunk/; revision=2218
2000-05-31Add routines for adding items to a protocol tree that take arguments ofGuy Harris1-4/+4
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
2000-05-11Add tvbuff class.Gilbert Ramirez1-5/+5
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
2000-04-08Move calls to "dissector_add()" out of the register routines for TCP andGuy Harris1-1/+15
UDP and into the handoff registration routines for the protocols in question. Make the dissectors for those protocols static if they're not called outside the dissector's source file. Get rid of header files if all they did was declare dissectors that are now static; remove declarations of now-static dissectors from header files that do more than just declare the dissector. svn path=/trunk/; revision=1823
2000-02-23"http_tree" doesn't need to be static; make it local toGuy Harris1-27/+29
"dissect_http()". svn path=/trunk/; revision=1666
2000-02-23Fix HTTP request & response.Laurent Deniel1-18/+39
svn path=/trunk/; revision=1665
2000-02-15Create a header file for every packet-*.c file. Prune the packet.h file.Gilbert Ramirez1-1/+2
This change allows you to add a new packet-*.c file and not cause a recompilation of everything that #include's packet.h Add the plugin_api.[ch] files ot the plugins/Makefile.am packaging list. Add #define YY_NO_UNPUT 1 to the lex source so that the yyunput symbol is not defined, squelching a compiler complaint when compiling the generated C file. svn path=/trunk/; revision=1637
2000-01-22Fix files that had Gilbert's old e-mail address or that didn't have myGuy Harris1-2/+2
forwarding e-mail address. svn path=/trunk/; revision=1522
1999-12-06Patch from Jerry Talkington to:Guy Harris1-3/+16
treat CONNECT as an HTTP request; add DELETE and OPTIONS as request names. Make the order of names in the AUTHORS file match that of the man page and the About box. svn path=/trunk/; revision=1231
1999-11-16Replace the ETT_ "enum" members, declared in "packet.h", withGuy Harris1-2/+8
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
1999-10-16Add display filters.Laurent Deniel1-11/+30
svn path=/trunk/; revision=864
1999-09-17Add a "BYTES_ARE_IN_FRAME()" macro, to test whether there are aGuy Harris1-4/+9
specified number of bytes of captured data in the frame at the specified offset, and a "IS_DATA_IN_FRAME()" macro, to test whether there are any bytes of captured data in the frame at the specified offset, and convert some bounds checks to use them. Add a dissector for the Internet Printing Protocol. svn path=/trunk/; revision=685
1999-09-12Use "dissect_data()" to put in the raw HTTP data, rather than doing itGuy Harris1-5/+3
ourselves; that means we don't have to duplicate the stuff "dissect_data()" does (including saying "1 byte" rather than "1 bytes" - "dissect_data()" does that, but we weren't doing that), and also means that when you print a packet, the data gets dumped. svn path=/trunk/; revision=670
1999-07-30Fix a typo in "Hypertext".Guy Harris1-2/+2
svn path=/trunk/; revision=404
1999-07-29Made the protocol (but not the fields) use the new proto_tree routine,Gilbert Ramirez1-3/+16
allowing users to filter on the existence of these protocols. I also added packet-clip.c to the Nmake makefile. svn path=/trunk/; revision=402
1999-07-13Added support for compiling on win32 with Visual C and 'nmake'. It compiles,Gilbert Ramirez1-1/+3
but does not link. Perhaps someone who understands the MS tools can help out. I made it link a few months ago, but with different version of glib/gtk+. I can't remember how I made it link. Most of the compatibility issues were resolved with adding #ifdef HAVE_UNISTD_H the the source code. Please be sure to add this to all future code. svn path=/trunk/; revision=359
1999-07-07Created a new protocol tree implementation and a new display filterGilbert Ramirez1-6/+5
mechanism that is built into ethereal. Wiretap is now used to read all file formats. Libpcap is used only for capturing. svn path=/trunk/; revision=342
1999-03-30Changes to the routines to help decode text-oriented protocols (FTP,Guy Harris1-6/+6
SMTP, POP, HTTP, etc.) for the benefit of Richard Sharpe's FTP and POP dissectors. svn path=/trunk/; revision=233
1999-03-23Removed all references to gtk objects from packet*.[ch] files. They nowGilbert Ramirez1-19/+12
reference the protocol tree with struct proto_tree and struct proto_item objects. That way, the packet decoding source code file can be used with non-gtk packet decoders, like a curses-based ethereal, e.g. I also re-arranged some of the information in packet.h to more appropriate places (like other packet-*.[ch] files). svn path=/trunk/; revision=223
1999-02-12Add a first cut at HTTP decoding.Guy Harris1-0/+215
svn path=/trunk/; revision=187
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