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2000-10-07Patch from Jack Keane to keep the dissector from looping infintely onGuy Harris1-10/+12
malformed packets. svn path=/trunk/; revision=2480
2000-10-03Assignments for SHA2 and AES encryption and data integrity schemes, fromGuy Harris1-7/+19
Yaniv Kaul. svn path=/trunk/; revision=2476
2000-10-02Don't trust data in packet.Gilbert Ramirez1-1/+6
svn path=/trunk/; revision=2474
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
2000-08-11Miscellaneous code cleaningLaurent Deniel1-7/+3
- add <stdarg.h> or <varargs.h> in snprintf.h and remove those inclusions in the other #ifdef NEED_SNPRINTF_H codes - remove the check of multiple inclusions in source (.c) code (there is a bit loss of _cpp_ performance, but I prefer the gain of code reading and maintenance; and nowadays, disk caches and VM are correctly optimized ;-). - protect all (well almost) header files against multiple inclusions - add header (i.e. GPL license) in some include files - reorganize a bit the way header files are included: First: #include <system_include_files> #include <external_package_include_files (e.g. gtk, glib etc.)> Then #include "ethereal_include_files" with the correct HAVE_XXX or NEED_XXX protections. - add some HAVE_XXX checks before including some system header files - add the same HAVE_XXX in wiretap as in ethereal Please forgive me, if I break something (I've only compiled and regression tested on Linux). svn path=/trunk/; revision=2254
2000-08-07Allow either old-style (pre-tvbuff) or new-style (tvbuffified)Guy Harris1-17/+17
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
2000-07-02Fix the comment at the beginning of the routine to give the right fileGuy Harris1-29/+30
name, and add the RFC number for ISAKMP to it. Fix the structures for headers to treat all multi-byte quantities as arrays of bytes; the certificate request header needs to be done that way, so that it's *not* padded to a multiple of the size of the longest integral element (the longest integral element is 2 bytes, but the size of the header is 5 bytes, so certificate requests were being misdissected), and other structures might require this as well - it also catches code that doesn't use "pntohl()" or "pntohs()" to get the values of integral fields bigger than 1 byte. In fact, it *did* catch some; the configuration attribute header's "identifier" field was being used without being put in host byte order. In addition, that field required padding to be aligned on its natural boundary, but the padding wasn't given as a structure member; given that the length field was specified as one byte but extracted with "pntohs()", and that the length field is 2 bytes in the other headers, it probably should be 2 bytes in this header as well - make it so. svn path=/trunk/; revision=2101
2000-05-31Add routines for adding items to a protocol tree that take arguments ofGuy Harris1-2/+2
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
2000-05-22Support for ISAKMP XAUTH authentication, from Yaniv Kaul.Guy Harris1-3/+23
svn path=/trunk/; revision=1993
2000-05-22Get rid of the comment before "cfgattrident2str()" explaining why it'sGuy Harris1-7/+1
there - it's now called from within "packet-isakmp.c", so there's no need to explain "this isn't used yet, but it will be in the future"; the future has arrived.... svn path=/trunk/; revision=1992
2000-05-21Parsing attributes in Config mode, and support for a Hybrid modeGuy Harris1-2/+28
authentication draft, from Yaniv Kaul. svn path=/trunk/; revision=1991
2000-05-17Small fix from Yaniv Kaul.Guy Harris1-2/+2
svn path=/trunk/; revision=1972
2000-05-11Put in a comment to note that "cfgattrident2str()" was put in for useGuy Harris1-1/+7
when we parse ISAKMP data attributes - we don't do that yet, which is why it's not currently used. svn path=/trunk/; revision=1942
2000-05-11Yaniv Kaul's patch to add support for the ISAKMP Configuration MethodGuy Harris1-5/+96
(draft-ietf-ipsec-isakmp-mode-cfg-04.txt). svn path=/trunk/; revision=1941
2000-05-11Add tvbuff class.Gilbert Ramirez1-92/+92
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
2000-04-28If the "encrypted payload" flag is set in an ISAKMP packet, don'tGuy Harris1-7/+15
dissect the payload, just report it as "Encrypted payload (N byte(s))". svn path=/trunk/; revision=1894
2000-04-08Move calls to "dissector_add()" out of the register routines for TCP andGuy Harris1-2/+11
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
2000-01-07Fix Gerald's e-mail address.Guy Harris1-2/+2
svn path=/trunk/; revision=1437
1999-12-06Changes from Dave Chapeskie.Guy Harris1-63/+271
svn path=/trunk/; revision=1224
1999-11-16Replace the ETT_ "enum" members, declared in "packet.h", withGuy Harris1-16/+26
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
1999-09-17Add a "BYTES_ARE_IN_FRAME()" macro, to test whether there are aGuy Harris1-2/+2
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
1999-08-26Convert a bunch of uses of "fd->cap_len" to use "pi.captured_len" (or toGuy Harris1-2/+2
use END_OF_FRAME), so that they don't look at stuff in an IP datagram past the end of the IP datagram (i.e., frame padding). svn path=/trunk/; revision=584
1999-07-29Made the protocol (but not the fields) use the new proto_tree routine,Gilbert Ramirez1-3/+15
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/+5
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
1999-07-08"pntohl()" doesn't actually return a "long" (or an "unsigned long"), itGuy Harris1-3/+3
returns a "guint32", which is an "unsigned int" on all platforms Glib supports, so print what it returns with "%u", not "%lu". svn path=/trunk/; revision=349
1999-07-07Created a new protocol tree implementation and a new display filterGilbert Ramirez1-121/+119
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
1999-07-06"pntohl()" doesn't actually return a "long" (or an "unsigned long"), itGuy Harris1-3/+3
returns a "guint32", which is an "unsigned int" on all platforms Glib supports, so print what it returns with "%u", not "%lu". svn path=/trunk/; revision=339
1999-06-12Include "snprintf.h" if necessary - we use "snprintf()".Guy Harris1-1/+10
svn path=/trunk/; revision=309
1999-06-11Added PPPoE, PPTP, GRE, and ISAKMP dissectors.Gilbert Ramirez1-0/+1040
svn path=/trunk/; revision=303
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