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Release Notes for IRRToolSet
****************************
5.1.0 - 2016-04?-NN
------------------
* Starting with this release, IRRToolSet is going to follow a Semantic
Versioning scheme: http://semver.org/
* Initial support for IOS XR config generation, use -config ciscoxr
* Rename @rtconfig set commands and add JunOS Support:
cisco_prefix_acl_no to prefix_acl_no
cisco_aspath_acl_no to aspath_acl_no
cisco_pktfilter_acl_no to pktfilter_acl_no
cisco_community_acl_no to community_acl_no
* Cisco IOS improvements:
Support for peer templates with -cisco_peer_templates
Add support for community.delete()
Reduced default starting id's for community lists, acl's etc from 100 to 50
Added support for BGP communities starting with 0:
Fix bug where both IPv4 & IPv6 prefixes would be added to the same prefix-list
* JunOS improvements:
-junos_replace to output replace: configuration that can be loaded with "load replace"
-junos_and_not_or to make route policies that AND community and prefix-lists to match
the rtconfig Cisco behaviour.
Increment JunOS policy-statement id's for IPv4/v6 to avoid duplicate id's
Add support for IPv6 prefix-length-range to bring it to parity with IPv4
Fixed minor configuration output ordering
Fix problems with 4-byte AS's
5.0.1
-----
* don't barf on pingable: and ping-hdl: attributes (RFC 5943)
* don't barf on inet6num: assignment-size (RIPE policy proposal 2010-06)
* RFC 5952 requires that ipv6 addresses be presented in lower case.
* ipv6 addresses are now printed in optimised format.
* added geoloc: and language: fields to both inetnum: and inet6num: objects.
* compilation fixes for g++ 4.7 / debian wheeze
* stop talking asdot to IRRDBs. none of the IRRs supports asdot since ~2010
* silence a bunch of warnings for clang 3.0
* fix AS output for rpslcheck
5.0.0
-----
Substantial reorganisation of package. Only rtconfig, peval and rpslcheck survived.
For further information on changes for 5.0.0, please consult the irrtoolset
wiki on http://irrtoolset.isc.org/
Moreover, IRRToolSet was switched to a new MIT style license, from a
non-commercial license previously. Thanks to past author Cengiz Alaettinoglu
and partial copyright holder, University of Southern California, for graciously
arranging this.
Miscellanous fixes:
* fix f_junos.cc to make export and import token names consistent. Thanks to
Stan Barber.
* Support for 4 byte ASNs. Many thanks to S.P.Zeidler for this.
* Makefile now honors DESTDIR. Thanks to Kaj Niemi for the patch.
* @RtConfig fix for IPv6. Thanks to Nick Hilliard for the report and
to Timo Koehler for the patch.
* Fix when an IOS as-path list from an RPSL as-set contains more
than one AS number. Thanks to Hagen Boehm for the patch.
* Compile fix for Solaris 9 and other systems that do not have
stdint.h defined. Thanks to Hagen Boehm for reporting the problem.
* Fix for core dump on Solaris. Thanks to Matthew Moyle-Croft for the
report and to S.P.Zeidler for the fix.
* Fix for invalid RtConfig output on Cisco when specifying family.
Thanks to Daryl Collins for the report and to S.P.Zeidler for the
fix.
* Cache file support when "irrd" protocol is used. Thanks to Hagen
Boehm for the implementation.
* Build fixes for OS X.
* Build fix for gcc 4.2 (default on Debian and Ubuntu these days).
* Explicit check for flex and bison in configure.
4.8.5
-----
Bug fix for RPSLng queries on IRRd servers.
Better support for 64-bit compilation.
Integrated a number of fixes from the NetBSD port as proposed by
Havard Eidnes.
* Numerous compiler fixes:
o src/config.h.in is amended to conditionally define __P(x). Use
__P() instead of _G_ARGS() in various places.
o Many, many files are patched to replace occurrances of _G_uint32_t
with uint32_t. The former is in the host compiler implementation's
name space, and as far as I know, a library writer has no business
assuming anything about the types defined in that name space
(names starting with a single underscore character).
o Instead of including <_G_config.h>, use <config.h>, and add
includes of e.g. <sys/types.h> where needed.
o A few troublesome casts removed which newer C++ compilers balk at.
* JunOS support enabled & fixed
* Portability to Dragonfly BSD (treat as FreeBSD)
* Bugfix for Cisco export
4.8.4
-----
* A number of runtime problems which caused crashes were reported, and
these have been fixed. Thanks to Hagen Boehm for discovering them.
4.8.3
-----
A set of patches collected by Hagen Boehm was applied:
* whois.apnic.net server problem
APNIC's whois server (RIPE NCC software with RPSS functions
disabled) has changed syntax of some embedded comments in a way that
violates the protocol assumptions in IRRToolSet 4.8.2
(required/allowed "empty lines" ~ "\n\n" in the context of "%"
comment lines. This problem seems to be around since APNIC switched
to a database version supporting IPv6/RPSLng).
Thanks to Hagen Boehm.
* ASnnn embedded in AS-Set AS-xxxx doesn't resolve properly (prefix
loss)
We are seeing cases where resolving to route-sets (a) an ASnnn and
(b) an AS-set AS-xxxx which includes ASnnn as a member lists some
prefixes as members of ASnnn but NOT as members of AS-xxxx (Which
turns something like "125.16.0.0/14^14-24" into some thousand
separately listed 125.16.x.y/n^n-n or 125.16.x.y/n^m-m that don't
combine into any 125.16.x.y/n^m-l unless m=l).
Thanks to Hagen Boehm.
* multi protocol filter problem
prefix filter consisting of ipv4 and ipv6 prefixes get not resolved
properly. Either only prefixes of a single protocol get resolved
(e.g. only ipv4) or the route-set contains ANY. The first case was
observed when resolving an "ASxxxx" filter, the latter case when
resolving an "ASxxxx ASyyyy" filter, where both ASxxxx and ASyyyy
contained ipv4 and ipv6 prefixes.
Thanks to Hagen Boehm.
* due to an uninitialized integer the irrd client showed erroneous
behavior when processing responses to "selected source" queries
(!s-lc). This bug led to the closing of the session before an
object query could be sent out.
Thanks to Hagen Boehm.
* flex scanner token interpretation error.
Due to missing tests on uninitialised values, missing
NULL-termination on strings and bad memory allocation the flex
scanner didn't work correctly and sometimes returned a wrong
interpretation when reading a dotted "afi" value, e.g.
"ipv6.unicast". Such values were interpreted as a DNS Token
(TKN_DNS) instead of an afi Token (TKN_AFI). The incorrect
interpretations irritated the bison parser and led to a system
crash.
Thanks to Hagen Boehm.
* After patching IRRTS 4.8.2 with the C&W patches repairing the
missing JunOS route-set filter support, the tool-set didn't compile
correctly anymore.
Thanks to Hagen Boehm.
* IRRToolSet 4.8.2 doesn't support functionality of the
-cisco_empty_lists flag anymore. Setting the -cisco_empty_lists flag
hence has no effect. The patch restores the functionality.
Thanks to Hagen Boehm.
* JunOS route filters aren't generated as compact as it is
the case for Cisco IOS. Furthermore the JunOS route filter
generation triggered by setting the -cisco_empty_lists flag doesn't
create correct route filters. The patch makes JunOS route filters as
compact as Cisco IOS route filters and repairs the JunOS route
filters that are generated only when setting the -cisco_empty_lists
flag.
Thanks to Hagen Boehm.
* With RPSLng key-word "ANY" now can have different
semantic interpretations: It can be the value of an Address Family
(afi value) or it can be an rpsl_word. In some cases the lex scanner
misinterprets "ANY" as afi value and returns TKN_AFI although the
bison parser rules expect an rpsl_word (eg. TKN_WORD or KEYW_ANY).
Thanks to Hagen Boehm.
* The man pages of RtConfig and peval do not obviously
document that the "-f" option, used for specifying a cache file, can
be used repeatedly to specify more than one cache file. In the peval
man page this option is not even mentioned!
Furthermore the cache file parsing process does not alert when a
cache object can't be identified.
The patch adds documentation to the respective man pages and
augments the code dealing with cache object handling.
Thanks to Hagen Boehm.
* any "more specific operator" (i.e. ^+, ^-, ^N and ^N-M) does not
work or does not work correctly when being applied on an IPv6
route-set expression.
Thanks to Hagen Boehm.
* A collection of patches from NetBSD.
Thanks to Petra Zeidler.
* A few changes were made to allow the code to compile with the
lastest version of g++.
4.8.1
-----
This release contains prototypes of RPSLng-aware tools from
IRRToolSet: peval, rpslcheck and now RtConfig is added.
* RPSLng dictionary implemented according to the latest RPSLng draft:
http://www.ietf.org/internet-drafts/draft-blunk-rpslng-01.txt
* Tools have been tested to work with RIPE whois software. They will
work also with irrd in most of the cases, as soon as irrd is updated
to handle RPSLng-related objects. Separated patch for this may be
necessary and will be available later.
* peval now accepts both RPSL and RPSLng filters (extended to support
ipv6) for peval, the syntax for evaluation of mp-filter is:
afi <afi_list> <mp-filter>
results will be restricted to address familiy(ies) from <afi_list>.
* RtConfig has got a new command: '@RtConfig v6networks', which works
symmetrically with '@RtConfig networks'. Other RtConfig commands
have been modified to handle RPSLng.
4.8.2
-----
* GCC-3.x compatible (tested with 3.3.2, 3.2.1 and 3.2)
Thanks to Glen Turner, Tony Li, and all others who have contributed the patches.
* draft-blunk-rpslng-07.txt implemented
* peval now handles multicast prefixes
* bugfixes in peval, RtConfig, rpslcheck
4.8.1
-----
* RPSLng dictionary implemented for RtConfig (cisco format only).
other configuration file formats are underway.
* The tools work with irrd too in most of the cases (see RELEASE-NOTES)
* import/export/default in aut-num are now treated as a partial case of corresponding mp-attributes.
While having multiple attributes, the same logic applies for peering/action/filter selection.
* almost all RtConfig commands have been modified to support RPSLng, 1 new command added:
"@RtConfig v6networks"
4.8.0
-----
* RPSLng dictionary implemented
* only for peval, rpslcheck
4.7.3
-----
* bugfixes & new in RtConfig, fixes in prpath, rpslcheck, libirr.
* man pages updated
* configure script patched for NetBSD (thanks to Jeff Rizzo ([email protected]) for the patch)
* '-V RAToolSet' switch for whois queries using ripe whois is changed to '-V IRRToolSet<version>'
4.7.2
-----
* various bugfixes in aoe: it is RIPE compliant, bug fixed,
error reporting improved.
* some bugs in RtConfig, roe and prpath fixed
4.7.1
-----
* various bug fixes
4.7.0
-----
* Added support for the new ripe server, please use -protocol ripe for it.
For the perl based old ripe server, please use -protocol ripe_perl
Note that the new ripe server support is at best beta quality.
Please watch out for and report any problems.
* ~*/~+ rpsl as path regular expressions are now supported for cisco configs.
These lead to shorter regular expressions.
* If you are hitting cisco line limitation, you can force * and + to be
interpreted as ~*, and ~+ which will shorten the config lines by using
-cisco_force_tilda command line option. (i.e. without modifying your
aut-num in IRR).
* We try to generate less parenthesis in as paths for ciscos.
* The limitation with JunOS as path printing regarding [^ ] operator is
now removed. The JunOS can now handle all RPSL as path expressions. I
did not implement ~*, ~+ in JunOS since they do not have a line length
limitation. If your aut-num has ~*/~+, they are treated as if */+
respectively .
* JunOS access lists are now compressed correctly (if turned on).
* bug fixes in map name format
* many other bug fixes
4.6.3
-----
* portability fixes
4.6.2
-----
* bug fixes
4.6.1
-----
* CIDRAdvisor was core dumping if given an AS number who had no routes.
* prtraceroute has problems on DU converting from FQDN to IP numbers.
* documented the "-protocol {irrd|bird|ripe}" option in the man pages
4.6.0
-----
* junos support. RtConfig can now generate Juniper router
configurations. The supported feature set is equivalent to the cisco
feature set with less limitations. Please consider the generated config
files beta quality, and manually check for errors before deploying to
routers till we clean up any bugs that may show up. Please read the
RtConfig man page for details.
* We now map rpsl pref values to gated/rsd pref values
carefully. Gated/RSd can only handle 0-255 as a preference. We map the
smallest preference the user used to 0, next smalles to 1, and so on...
* setting next-hop in a route map is now supported.
* several minor bug fixes.
* Digital Unix portability improvements. Still not perfect.
4.5.2
-----
* an rsd bug fix
4.5.1
-----
* Lost of bug fixes
* @RtConfig printSuperPrefixRanges <format> filter <filter>
This command is same as the "printPrefixRanges" command, except it
compresses more aggresively. The %n and %m information is lost. But, %D,
a set of dont care bits representing different %n-%m ranges are provided.
4.5.0
-----
* bay router is now officially supported, use -config bcc
kudos to Srivathsan Srinivasagopalan <[email protected]>
and Giovanni S Marzot <[email protected]>
* now compiles cleanly with egcs 2.95.*
* couple of minor bug fixes
4.4.4
-----
* bug fix in gated/rsd aspath filter generation
4.4.3
-----
* fixed the prpath/prtraceroute/cidradvisor bug for real
4.4.2
-----
* Put a workaround to prpath/prtraceroute/cidradvisor that ignores
routes with prefix lengths < 6. This causes as numbers to be AS1800 for
all addresses, only with recent irrd.
4.4.1
-----
* two new commands:
@RtConfig printPrefixes <format> filter <filter>
<format> is a quoted string, and <filter> is
an RPSL filter over AS numbers, AS set names
and route set names using operators AND, OR
and NOT. This command instruct RtConfig to
print the prefixes in <filter> using <for-
mat>. The <format> can contain the follow-
ing escape sequences:
%p prefix
%l length
%L 32-length
%n n
%m m
%k mask
%K inverse of mask (i.e. ~mask)
%% %
\n carriage return
\t tab
Example, use:
@RtConfig printPrefixes "net %p \tmask %k\n" filter AS1
@RtConfig printPrefixRanges <format> filter <filter>
This command is same as the "printPrefixes"
command, except the consecutive address pre-
fixes are compressed into a single address
prefix range.
* CIDRAdvisor is now ported to RPSL.
4.4.0
-----
* 100% RPSL compliant!
* -cisco_skip_route_maps
This option only affects cisco configura-
tions. This option instructs RtConfig not
to print route maps, hence it only prints
access lists.
* @RtConfig access_list filter <filter>
@RtConfig access_list filter <filter>
<filter> is an RPSL filter over AS numbers,
AS set names and route set names using oper-
ators AND, OR and NOT. This command
instruct RtConfig to generate an access list
for <filter>.
E.g. @RtConfig access_list filter AS1 or AS6
Note that no neighbor or map statements are generated.
* @RtConfig aspath_access_list filter <filter>
@RtConfig aspath_access_list filter <filter>
<filter> is an RPSL filter over AS path reg-
ular expressions using operators AND, OR and
NOT. This command instruct RtConfig to gen-
erate an as path access list for <filter>.
E.g. @RtConfig aspath_access_list filter <^AS286 .* AS-EUNET$>
Note that no neighbor or map statements are generated.
* One command router configuration "@RtConfig configureRouter rtr.isp.net"
@RtConfig configureRouter <inet-rtr-name>
<inet-rtr-name> is the DNS name of an inet-
rtr object. This command will use the named
inet-rtr object, and configure import and
export policies for each of the BGP4 peers
of the router (using the peer attribute).
* Use %d in map name as peer's AS number or to make it unique
@RtConfig set cisco_map_name = <map-name>
<map-name> is a quoted string. This command
instruct RtConfig to use <map-name> as the
name for the route maps generated. If the
<map-name> contains %d, it will be replaced
by the peer's AS number. If it contains a
second %d, it will be replaced by an integer
that is incremented each time a new map is
generated (to ensure unique map names). The
default cisco_map_name is "MyMap_%d_%d".
* peval has now new option
-compressed
Print prefix lists using the more specific
operators. Otherwise, an expression like
128.9.0.0/16^24 will result in 256 prefixes
being printed.
* peering group configuration
@RtConfig importGroup <ASN-1> <peering-set-name>
@RtConfig exportGroup <ASN-1> <peering-set-name>
<peering-set-name> is a name of a peering
set object. This command instructs RtConfig
to generate import (export) filters where
<ASN-1> is importing (exporting) routes from
(to) the peers listed in <peering-set-name>.
The aut-num object for <ASN-1> should have
an import (export) attribute using the peer-
ing set's name.
* prtraceroute is now ported to rpsl. (Thanks to John Mehringer).
* IRR file cache (-f option) can now have aut-num, as-set, route-set and
inet-rtr objects.
* Much better error reporting using ^^^ pointers.
* RtConfig option -force_match_ip_inbound is deleted and its behaviour is
now the default. Use the new option -no_match_ip_inbound to restore the
old behaviour.
* RtConfig will split very long "ip as-path access-list" lines over
multiple lines.
Splitting is activated if an "ip as-path" line longer than 250 characters
is generated. (Cisco line length limit is 256).
We search for the longest as number sequence in the expression
(i.e. (ddd|ddd|...|ddd)) which is not inside the scope of a * or +
operator and split that one into multiple lines.
If there are multiple candidates for split, we only split the longest
one. Splitting all candidates would be safer.
In short:
<^AS286+ .* AS-EUNET$> is splittable,
<^AS286+ .* AS-EUNET*$> is NOT splittable,
<^AS286+ .* AS-EUNET+$> is NOT splittable,
<^AS286+ .* AS-EUNET AS-EUNET$> is splittable
In the last example, the splitted lines will still be too long.
Let me know if any of you have as-path policy of this sort. It is more
work to split all splittable stuff, but it can be done.
* Fix for Cisco's fix of their prefix list access list bug.
* filter-set, peering-set, rtr-set classes are now recognized.
* RAToolSet no longer has a hidden list of IRR databases, if a -s option
is not specified at the command line, it will use whatever the default
is at the server. This should make no difference for those of you that
use RADB. For others, watch out for surprises.
4.3.3
-----
* RAToolSet now defaults to rpsl.merit.edu port 43 protocol IRRd
4.3.2
-----
* bug fixes (solaris long long int bug, and aspath prepend bug)
4.3.1
-----
* draft-ietf-rps-rpsl-v2-00 compliant
* examples under tests directory updated for v4 syntax
* got rid of -c option while connecting to RIPE-based server
4.3.0
-----
* aoe, roe and prpath are back
* a very brief library documentation is included
* bug fixes
* compressing cisco access lists are now the default. To disable, please
use the -cisco_no_compress_acls option.
4.2.0
-----
* bug fixes
* gated and rsd support in RtConfig (this part is alpha code).
4.1.0
-----
* Structured import and export with braces, semicolons, except and refine
is implemented. They can be arbitrarily nested.
* PeerAS can now be used in prefix or as-path filters.
* @RtConfig static2bgp <ASN-1> <rtr-1>
See man page.
* All community methods now work, cisco can not handle the delete method
though.
* New option -cisco_use_prefix_lists
This option only affects cisco configurations. This option instructs
RtConfig to output prefix-lists which yield higher performace than
access-lists. This flag implies -cisco_compress_acls.
* Media local range 169.254.0.0/16^+ is now in the martians list.
* ^+, ^-, ^n, ^n-m can now be used with as numbers, rs-set and as-set
names. e.g. AS226^+, RS-PRIVATE^19
* more control over acl numbers used. Check the man page for:
@RtConfig set cisco_prefix_acl_no = 500
@RtConfig set cisco_aspath_acl_no = 1500
@RtConfig set cisco_community_acl_no = 3500
* There is also a new option -f <filename> where the file contains an
aut-num object. RAToolSet uses the object's definition in the file
instead of the one in IRR. This is mainly useful for testing. This
option may disappear in the future.
* roe/aoe is broken. They will be fixed in 4.1.1.
* Bugs fixed.
4.0.3
-----
* Bugs fixed.
4.0.2
-----
* Bug fixes
* Peval now has command line history (if you have gnu readline/history
libs)
4.0.1
-----
* Bug fixes
4.0.0
-----
* rpsl is implemented.
* in your templates, IP addresses should no longer have /32. i.e. use:
@RtConfig export AS2764 203.63.80.17 AS1221 139.130.49.81
not /32 /32
* as path and community access lists are now cached
* if you do not have a policy for a neighbor, RtConfig will generate a
config file which imports no routes from that neighbor. Previously, it
just ignored the RtConfig command for that neighbor.
* Please read README.v4 for things to watch for.
3.5.7
-----
* Portability improved. Warnings during compilation is now avoided.
* In printing packet filters the prefix 0.0.0.0/0 is ignored.
* The following lists are also sorted:
cisco packet filters
cisco default statements
gated prefix list policy filters
rsd prefix list policy filters
* RtConfig now accepts the following command:
@RtConfig outbound_pkt_filter <if-name> <ASN-1> <rtr-1> <ASN-2> <rtr-2>
Same as pkt_filter but using as-out instead of as-in. Please see the man
page.
3.5.6
-----
* A new radix tree implementation is in place. So
-cisco_compress_acls now works and resulting access lists are
sorted.
* RtConfig now accepts the following command:
@RtConfig pkt_filter <if-name> <ASN-1> <rtr-1> <ASN-2> <rtr-2>
Man page has the details. This is useful for filtering data packets
whose source address does not belong to your customers
(e.g. smurf packets).
3.5.5
-----
* RtConfig now accepts the following commands.
@RtConfig set cisco_map_first_no = 5
@RtConfig set cisco_map_increment_by = 10
Man page has the details. This is useful for inserting other statements
to the route maps.
* Bug fixed: RtConfig failed on expressions like "accept AS1 OR <AS1>".
* Bug fixed: Our radix tree based set implementation turned out to be
very bugy and consumed enormous resources. I rolled back our old set
implementation that used splay trees. This means, access lists will
no longer be sorted:-( Also, -compressACLS will not work.
* aoe now has a revert button, when pressed it re-reads the object from IRR.
3.5.4
-----
* RAToolSet has been modified to adapt Tcl/Tk 8.0 by changing it's
naming convention. This will make roe and aoe taking the advantage of
newest Tcl/Tk in terms of speed.
* A multi-homed's bug on prtraceroute has been fixed by checking out
the interfaces from the kernel. Linux and Solaris porting have also been
integrated.
* RAToolSet installation script has been improved so that it will
create directories if they do not exist. This will smooth the
installation process without any human interference.
* RtConfig has been enhanced to generate compressed ACLs for Cisco
routers. This will shorten the ACLs and hence use less memory on Cisco
routers.
3.5.3
-----
* Radix trie has been added for RtConfig so that sorted access list
will be generated.
* Balloon help for roe has been added to show the range of each address prefix.
* Bugs fixed for roe from being crashed.
* aoe has different resource file (~/.aoerc) format. Users should delete
the old one and let aoe generates a new one.
* aoe provides template for the "changed:" field and appends/replaces
it automatically.
* Bug fixed for prtraceroute from being crashed in Solaris. Thanks
Bob Coggeshall for pointing it out.
* Clean up all the memory leaking problems.
3.5.1
-----
* This version contains a couple of minor bugs fixed for RtConfig. Thanks
"David M. Meyer" <[email protected]> for pointing them
out.
3.5.0
-----
* This version contains the beta release of aoe, Autonomous System
Object Editor:
aoe simplifies the creation of aut-num objects by employing some
heuristics to add and modify as-in and as-out attributes. For
example, given a BGP dump from a router inside your AS, aoe
parses the AS_PATH attributes in the BGP dump, and determines the
peer ASes, and the import policies for each peer AS. A template
based mechanism is provided for users to create their own
heuristics to augment the heuristics that we provide. aoe can
register the aut-num object in the IRR after editing is done.
* RtConfig has couple of new features:
-supress_martian option
-@RtConfig networks commands
-@RtConfig default commands
* There are also some minor bug fixes.
3.4.0
-----
* This version has man pages for all tools. There are new tools, quite a
few improvements and bug fixes. Since there are so many changes please
regard this version as alpha.
* Here are the list of tools:
peval improvements and bug fixes
pmatch more options
prpath more options
RtConfig improvements and bug fixes
CIDRAdvisor completely rewritten with all new options
prcheck no changes
roe no changes
relayd new tool
prtraceroute new tool
2.9
---
* peval now has registers. register store the results of previous
evaluations. To enable, one needs to use either -registers option or
-config option of peval. E.g.
./peval -registers
peval> set $a AS1
peval> $a
((AS1))
* code has been reorganized. gnu libraries is now all in one sub directory
parse tree node* code has been cleaned and sped up.
* autoconf tested on sunos solaris alpha/osf ultrix
2.8
---
* yyparse now parses the stdin. Peval used to read stdin and pass it to
yyparse.
* When debugging is enabled (w/ -DDEBUG), execution is no longer slowed
down if debugging is not enabled at run time with -D command line option.
* The extended/original attribute interaction as discussed in IETF July 95
has been implemented.
* Better error/warning messages:
Warning: aut-num object of AS690 has no as-out line for peer AS3561.
Warning: Community COMM has no registered routes or does not exist.
* RtConfig now supports RSd configuration file format.