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2000-12-04Add a "col_clear()" routine, to clear a column; it appears (and itGuy Harris1-3/+4
doesn't just seem to be a profiling artifact) that, at least on FreeBSD 3.4, it's significantly more efficient to clear out a column by stuffing a '\0' into the first byte of the column data than to do so by copying a null string (I guess when copying one byte, the fixed overhead of the procedure call and of "strcpy()" is significant). Have the TCP dissector set the Protocol column, and clear the Info column, before doing anything that might cause an exception to be thrown, so that if we *do* get an exception thrown, the frame at least shows up as TCP. Instead of, in the TCP dissector, constructing a string and then stuffing it into the Info column, just append to the Info column, which avoids one string copy. Pass a "frame_data" pointer to dissectors for TCP and IP (and PPP) options, so they can use it to append to the Info column. svn path=/trunk/; revision=2744
2000-11-18Tvbuffify the IP, ICMP, TCP, UDP, OSI CLNP, OSI COTP, OSI CLTP, and OSIGuy Harris1-4/+4
ESIS dissectors. Register the IP dissector and have dissectors that call it directly (rather than through a port table) call it through a handle. Add a routine "tvb_set_reported_length()" which a dissector can use if it was handed a tvbuff that contains more data than is actually in its part of the packet - for example, handing a padded Ethernet frame to IP; the routine sets the reported length of the tvbuff (and also adjusts the actual length, as appropriate). Then use it in IP. Given that, "ethertype()" can determine how much of the Ethernet frame was actually part of an IP datagram (and can do the same for other protocols under Ethernet that use "tvb_set_reported_length()"; have it return the actual length, and have "dissect_eth()" and "dissect_vlan()" use that to mark trailer data in Ethernet II frames as well as in 802.3 frames. svn path=/trunk/; revision=2658
2000-05-26Initial SCTP support (showing it by name from "ipprotostr()") fromGuy Harris1-1/+2
Michael Tuexen. svn path=/trunk/; revision=2011
2000-04-25Fixed declaration of ip_dissector_table and clarified bitwidth doco.Gilbert Ramirez1-2/+2
Patch from Ben Fowler <wapdev@leedsnet.com> svn path=/trunk/; revision=1888
2000-04-20Have the IPv6 dissector use the same dissector table as the IPv4Guy Harris1-1/+4
dissector. Don't dissect the payload of any fragmented IPv6 packet unless it's the initial fragment (that's what we do for IPv4). svn path=/trunk/; revision=1882
2000-02-15Create a header file for every packet-*.c file. Prune the packet.h file.Gilbert Ramirez1-1/+4
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
2000-01-20Joerg Mayer's updates to the VINES dissector and to protocol layersGuy Harris1-2/+3
above VINES. svn path=/trunk/; revision=1514
1999-11-21Added Heikki Vatiainen's <hessu@cs.tut.fi> VRRP dissector.Gilbert Ramirez1-1/+2
svn path=/trunk/; revision=1083
1999-11-16Replace the ETT_ "enum" members, declared in "packet.h", withGuy Harris1-3/+3
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
1999-10-30Don Lafontaine's IGRP/EIGRP dissector.Guy Harris1-7/+2
svn path=/trunk/; revision=949
1999-10-15IPComp (RFC2393) decoding.Jun-ichiro itojun Hagino1-1/+2
svn path=/trunk/; revision=838
1999-08-28PPP options in LCP, IPCP, etc. are like IP and TCP options - one octetGuy Harris1-5/+6
of option code, one octet of length (which includes the two option code and length bytes), followed by 0 or more octets of option data, with some options being fixed-length and some being variable-length. Put some stuff from the PPP control protocol option parsing code into the IP-and-TCP option parsing code, and use the latter instead of the former. (That code might also be usable for CDP as well, with some stuff added to it.) Shuffle the arguments to "dissect_ip_tcp_options()" to resemble those of various other dissectors (i.e., with the "proto_tree *" at the end). Add in code to dissect a pile of PPP options documented in various RFCs. svn path=/trunk/; revision=601
1999-06-11Added RSVP protocol dissector.Gilbert Ramirez1-1/+2
svn path=/trunk/; revision=304
1999-06-11Added PPPoE, PPTP, GRE, and ISAKMP dissectors.Gilbert Ramirez1-1/+2
svn path=/trunk/; revision=303
1999-03-28Jun-ichiro's IPv6 patch is merged in with ethereal and now uses the newGilbert Ramirez1-1/+27
proto*() functions. The configure script tries to use ipv6 name resolution if it knows the type of ipv6 stack the user has (this can be avoided with the --disable-ipv6 switch) Additionally, the configure script now deals with wiretap better. If the user doesn't want to compile wiretap, the wiretap is never visited. A few unnecessary #includes were removed from some wiretap files, and a CPP macro was moved from bpf.c to wtap.h. svn path=/trunk/; revision=229
1999-03-23Removed all references to gtk objects from packet*.[ch] files. They nowGilbert Ramirez1-0/+56
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
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