| Age | Commit message (Collapse) | Author |
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Added replace-as modifier for BGP neighbors when using
local-as. If the replace-as modifier is specified, only the
replacement AS as specified by the local-as modifier is
prepended to the AS_PATH, not the process's AS.
In bgp_attr.c, I decided that
if (peer->change_local_as) {
/* If replace-as is specified, we only use the change_local_as when
advertising routes. */
if( ! CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) ) {
aspath = aspath_add_seq (aspath, peer->local_as);
}
aspath = aspath_add_seq (aspath, peer->change_local_as);
} else {
aspath = aspath_add_seq (aspath, peer->local_as);
}
was clearer than the alternative that didn't duplicate the prepending of the
process's AS:
/* First, append the process local AS unless we have an alternate local_as
* and we're replacing it (as opposed to just prepending it). */
if (! (peer->change_local_as
&& CHECK_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_REPLACE_AS) ) ) {
aspath = aspath_add_seq (aspath, peer->local_as);
}
if (peer->change_local_as)
aspath = aspath_add_seq (aspath, peer->change_local_as);
}
But I could be convinced otherwise.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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There is no Posix CLOCK_MONOTONIC in Darwin, but monotonically
increasing clock can be implemented using mach_absolute_time().
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* isisd/isis_spf.c: Use portable quagga_gettime() like the rest of
the Quagga code.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* ospfd/ospf_apiserver.c: extra ; causing lookup to fail always
* ospfd/ospf_lsa.c: extra ; causing debug output even when disabled
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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ifi_link_state missing in OS X. There could be other *BSD's that haven't
implemented it and possibly affects older implementations.
The existing HAVE_BSD_LINK_DETECT configure.ac check is only confirming
the link state detection using ifmediareq.ifm_status found in
<net/if_media.h>. This is the link state detection used in
zebra/ioctl.c. Later, *BSD redefined struct if_data in <net/if.h> and
included link state detection. This is the method used in
zebra/kernel_socket.c
Additional test defined in config.ac to test for member struct
if_data.ifi_link_state defined in <net/if.h> separate from test for
<net/if_media.h> ifmediareq.ifm_status
Fixed #ifdef's in zebra/kernel_socket.c to use the new #define
No impact on older function calls in zebra/ioctl.c
Tested on 64bit OS X 10.7, FreeBSD 9.0 amd64 & i386 (32bit)
using gcc & clang. Tested on linux 64bit.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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In zebra/kernel_socket.c, copying sockaddr from *_msghdr:
There are really 2 different lengths that need to be determined.
1) the length required to point to the next sockaddr in the mesg
buffer which might include any required padding and
2) the actual length of the sockaddr data that needs to be copied
into the destination field.
They may or may not be the same value.
Sizeof sockaddr_in6 is 28, which to pad for alignment purposes on 32
bit systems with a long of 4 bytes is evenly divided and requires
no padding. On 64 bit systems, with a long of 8 it is padded with 4
extra bytes.So the current RTA_* macros are copying 32 bytes into a 28
byte field on 64 bitsystems, where the field overflow did not occur
on the 32 bit systems.
Since using sa_len required the use of an #ifdef which couldn't be used
directly inside a #define, it made sense to move the copy into the
function to allow typdef checking throughout and eliminate the hack
to suppress compiler warnings.
Fixed declaration of cp in ifm_read after compiler noticed type mismatch.
Tested on 64bit OS X 10.7, FreeBSD 9.0 amd64 & i386 (32bit)
using gcc & clang
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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In OS X 10.7 zebra crashed on invalid execution address.
sockaddr padding in *_msghdr is observed to be 4 bytes in 64bit OS X.
The ROUNDUP macro assumed alignment on sizeof(long) which
allocates 8 bytes on 64bit systems, 4 bytes on 32bit systems
which is true for BSD generally.
Test for Apple and use sizeof(int) which allocates 4 bytes on 32 & 64bit
systems.
Tested on 64bit OS X 10.7, FreeBSD 9.0 amd64 & i386 (32bit)
using gcc & clang
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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configure parameters have changed quite a bit, several options are
enabled by default now and there's --disable-tests. Update
documentation to match.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Broke the tests again... let's just build them by default so it's easier
to notice. If anyone doesn't want to build tests, there's
--disable-tests.
NB: tests will be neither run nor installed.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* tests/test-sig.c: add #include "lib/memory.h" to get array_size()
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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An ORF (code 3) capability TLV is defined to contain exactly one
AFI/SAFI block. Function bgp_capability_orf(), which parses ORF
capability TLV, uses do-while cycle to call its helper function
bgp_capability_orf_entry(), which actually processes the AFI/SAFI data
block. The call is made at least once and repeated as long as the input
buffer has enough data for the next call.
The helper function, bgp_capability_orf_entry(), uses "Number of ORFs"
field of the provided AFI/SAFI block to verify, if it fits the input
buffer. However, the check is made based on the total length of the ORF
TLV regardless of the data already consumed by the previous helper
function call(s). This way, the check condition is only valid for the
first AFI/SAFI block inside an ORF capability TLV.
For the subsequent calls of the helper function, if any are made, the
check condition may erroneously tell, that the current "Number of ORFs"
field fits the buffer boundary, where in fact it does not. This makes it
possible to trigger an assertion by feeding an OPEN message with a
specially-crafted malformed ORF capability TLV.
This commit fixes the vulnerability by making the implementation follow
the spec.
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The linker on some systems (for example, Ubuntu 12.04 LTS x86_64)
appears to be sensitive to the order in which libraries are
specified. On these systems, if a library 'A' depends on a library
'B', it has to be specified before 'B' when linking an executable.
* zebra/Makefile.am: Make sure LIBCAP comes after libzebra.
* tests/Makefile.am: Ensure libm comes after libbgp.
Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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flock()ing the BGP dump files helps consumers determine when they're
safe to read.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Mac OS X needs HAVE_IP_HDRINCL_BSD_ORDER defined like BSD. If it's not
defined, it'll fail like this:
*** sendmsg in ospf_write failed to 224.0.0.5, id 0, off 0, len 64,
interface en0, mtu 1500: Invalid argument
Which is caused by reordering iph->ip_len in
sockopt_iphdrincl_swab_htosys.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Use the array_size() helper macro. Replaces several instances of local
macros with the same definition.
Reviewed-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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isisd currently has a list of supported protocols as a fixed array of
size 4. this can be overran, leading to an overwrite of the ipv4_addrs
pointer.
* isisd/isis_pdu.c: don't accept more protocols than there's space for
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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implement array_size as sizeof(array) / sizeof(array element)
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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it's possible to feed invalid prefixes (1.2.3.4/40 or dead::beef/200) on
IS-IS. if this is not checked, it will later cause an assert in
processing. let's simply abort processing the TLV if the prefix is
invalid.
* isisd/isis_tlv.c: check prefix lengths for validity
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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processing invalid prefixes causes isisd to assert() or otherwise
misbehave in ip_masklen/apply_mask. pull up the assert() to indicate
better there's broken data in isisd's LSDB.
* isisd/isis_spf.c: assert() prefix lengths
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* isisd/isis_pdu.c: (send_lsp) Handle case where there are no LSPs
on the LSP transmission queue. This can happen if, for instance,
the queue is cleared because of protocol events before the
send_lsp thread gets a chance to run.
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* isisd/isis_pdu.c: Fix problem where isisd would crash if it
received a LAN IIH with the 'pdu length' field set to zero.
Similar problems can occur in parsing other ISIS PDUs as well --
check that the PDU length in an ISIS hello, LSP or SNP packet is
at least as big as the size of the respective fixed header.
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* lib/stream.c: (stream_set_endp) Add checks to make sure that the
supplied 'endp' is within the 'size' of the stream, and that the
current read pointer 'getp' is not beyond the specified 'endp'.
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ISSUE
When max-metric router-lsa administrative is invoked on an ABR created with...
area <area> range <addr/mask>
the summary LSAs are sent out with 65535 (max-metric) added to the normal cost.
When max-metric router-lsa administrative is invoked on an ABR created with...
area <area> range <addr/mask> cost <cost>
the summary LSAs are sent out with <cost> (the max-metric is ignored). This
second behavior effectively incapacitates the max-metric function.
PATCH
This patch evaluates the state of the router and if it's isolated as a stub
router (rfc3137) via `max-metric router-lsa`, we unconditionally uses the
value of 0xff0000 when advertising summary LSAs.
Signed-off-by: JR Rivers <jrrivers@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Reviewed-by: Ayan Banerjee <ayan@cumulusnetworks.com>
Reviewed-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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When a range (or sub-range) is deleted, the area is notified by propagating a
MAXAGE LSA. This LSA stays in the database for a while to both insure
propagation as well as in the off chance that it's useful in the near future.
Unfortunately, the ABR algorithm was treating these MAXAGE LSAs as unchanged and
not propagating them within the areas.
Signed-off-by: JR Rivers <jrrivers@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Reviewed-by: Dinesh Dutt <ddutt@cumulusnetworks.com>
Reviewed-by: Shrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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ISSUE
When an area range is created in which there the sub-area has routes that are
smaller than the range, an ABR creates a blackhole route to cover the range.
When the range is removed, the blackhole route is not removed.
--A----B----C---
B is an ABR with A in area 1 and C in area 0. If A advertises `10.2.0.0/30` and
`10.2.0.4/30` and B is configured with `area 0.0.0.1 range 10.2.0.0/29` a
blackhole is created on B (`blackhole 10.2.0.0/29 proto zebra`). When the
area/range is removed via the command line, the blackhole remains in existence
even though the "range" route is removed from area 0 and the individual routes
are propagated.
PATCH
The reason for this behavior is that, prior to this patch, the range is deleted
from the area's list, so when ospf_abr_manage_discard_routes() gets called,
there is nothing to clean up. The patch removes the discard route as part of
the processing of the command line (ospf_area_range_unset()).
Signed-off-by: JR Rivers <jrrivers@cumulusnetworks.com>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Reviewed-by: Shrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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OVERVIEW
The checksum used in OSPF (rfc2328) is specified in rc905 annex B. There is an
sample implementation in rfc1008 which forms the basis of the quagga
implementation. This algorithm works perfectly when generating a checksum;
however, validation is a bit problematic.
The following LSA (generated by a non-quagga implementation) is received by
quagga and marked with an invalid checksum; however, it passes both the rfc905
and rfc1008 validation checks.
static uint8_t lsa_10_121_233_29[] = {
0x0e, 0x10, 0x02, 0x03,
0x09, 0x00, 0x35, 0x40,
0x0a, 0x79, 0xe9, 0x1d,
0x80, 0x00, 0x00, 0x03,
0x00, 0x8a, 0x00, 0x1c,
0xff, 0xff, 0xff, 0xe0,
0x00, 0x00, 0x36, 0xb0
};
LS Type: Summary-LSA (IP network)
LS Age: 3600 seconds
Do Not Age: False
Options: 0x02 (E)
Link-State Advertisement Type: Summary-LSA (IP network) (3)
Link State ID: 9.0.53.64
Advertising Router: 10.121.233.29 (10.121.233.29)
LS Sequence Number: 0x80000003
LS Checksum: 0x008a
Length: 28
Netmask: 255.255.255.224
Metric: 14000
You'll note that one byte of the checksum is 0x00; quagga would calculate the
checksum as 0xff8a.
It can be argued that the sourcing implementation generates an incorrect
checksum; however, rfc905 indicates that, for 1's complement arithmetic, the
value 255 shall be regarded as 0, thus either values are valid.
EXPLANATION
The quagga ospfd and ospf6d implementations operate by copying the PDU's
existing checksum in a holding variable, calculating the checksum, and comparing
the resulting checksum to the original. As a note, this implementation has the
side effect of modifying the contents of the PDU.
Evaluation of both rfc905 and rfc1008 shows that checksum validation should
involve calculating the sum over the PDU and checking that both resulting C0 and
C1 values are zero. This behavior is enacted in the rfc1008 implementation by
calling encodecc with k = 0 (checksum offset); however, this functionality had
been omitted from the quagga implementation.
PATCH
This patch adds the ability to call the quagga's fletcher_checksum() with a
checksum offset value of 0xffff (aka FLETCHER_CHECKSUM_VALIDATE) which returns
the sum over the buffer (a value of 0 indicates a valid checksum). This is
similar to the mechanism in rfc1008 when called with k = 0. The patch also
introduces ospf_lsa_checksum_valid().
ospf6d had it's own implementation of the fletcher checksum in
ospf6_lsa_checksum(); it's the same algorithm as in fletcher_checksum(). This
patch removes the local implementation in favor of the library's as well as creates
and uses ospf6_lsa_checksum_valid().
quagga's ISIS implementation suffers from the same problem; however, I do not
have the facilities to validate a fix to ISIS, thus this change has been left to
the ISIS maintainers. The function iso_csum_verify() should be reduced to
running the fletcher checksum over the buffer using an offset of 0.
Signed-off-by: JR Rivers <jrrivers@cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Reviewed-by: Nolan Leake <nolan@cumulusnetworks.com>
Reviewed-by: Ayan Banerjee <ayan@cumulusnetworks.com>
Reviewed-by: Shrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Make static routes respect non-default routing tables.
BEFORE PATCH
------------
! in zebra.conf
table 1
! add static route
vtysh> ip route 10.0.0.0/30 eth0
cumulus@net-top0:~$ ip route
default via 192.168.0.2 dev eth0
10.0.0.0/30 dev eth0 proto zebra
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.15
! nothing in table 1
cumulus@net-top0:~$ ip route show table 1
AFTER PATCH
-----------
! in zebra.conf
table 1
! add static route
vtysh> ip route 10.0.0.0/30 eth0
cumulus@net-top0:~$ ip route
default via 192.168.0.2 dev eth0
192.168.0.0/24 dev eth0 proto kernel scope link src 192.168.0.15
! static route in table 1
cumulus@net-top0:~$ ip route show table 1
10.0.0.0/30 dev eth0 proto zebra
Signed-off-by: Nolan Leake <nolan@cumulusnetworks.com>
Reviewed-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This reverts commit 9289c6ff55cd96c943d23e43fc9e5f987aa965ed.
The commit reverted an earlier change which was fixed a bug that caused
black-holes to remote destinations with multiple paths, that could occur
during convergence. Overall, the previous code is more correct.
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* lib/table.[ch]
- Add a function (route_table_get_next()) to get the route_node in
a tree that succeeds a given prefix in iteration order.
This allows one to reliably walk nodes in a tree while allowing
modifications, and is useful for achieving scale and
performance. Other approaches are also possible -- the main plus
point of this one is that it does not require any state about
the walk to be maintained in the table data structures.
- Add an iterator for walking the nodes in a tree. This introduces
a new structure (route_table_iter_t) and the following main
functions.
route_table_iter_init()
route_table_iter_pause()
route_table_iter_next()
route_table_iter_cleanup()
The iterator normally uses node pointers and the existing
route_next() function to walk nodes efficiently. When an
iteration is 'paused' with route_table_iter_pause(), it stores
the last prefix processed. The next call to
route_table_iter_next() transparently invokes
route_table_get_next() with the prefix to resume iteration.
* bgpd/bgp_table.[ch]
Add wrappers for the new table features described above.
* tests/table_test.c
Add tests for the new table code.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Make the BGP table code a thin wrapper around the table implementation
in libzebra.
* bgpd/bgp_table.[ch]
- Use the ROUTE_NODE_FIELDS macro to embed the fields of a
route_node in the bgp_node structure.
- Add a route_table field to the bgp_table structure.
Initialize the route_table with a delegate, such that the nodes
in the table are bgp_node structures.
- Add inline wrappers that call route_table functions underneath,
and accept/return the correct BGP types.
* bgpd/bgp_route.c
Change some code to use inline wrappers instead of accessing
fields of nodes/tables directly. The latter does not always work
because the types of some fields need to be translated now.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* lib/table.[ch]
- Add a macro (ROUTE_NODE_FIELDS) that expands to all the fields
of a route_node structure.
- Add the route_table_delegate_t structure, a function vector
which allows clients to customize the behavior of one or more
tables.
The delegate currently contains the 'create_node' and
'destroy_node' functions, and hence enables a table to use an
alternative node structure. The alternative node is expected to
embed the fields of a route_node using ROUTE_NODE_FIELDS.
- Add route_table_init_with_delegate() to create a new table with
a given delegate.
- Make route_table_init() a thin wrapper around
route_table_init_with_delegate(). The delegate it passes in
simply creates/destroys route_node structures as before.
- Add a user data pointer (info) to the route_table
structure. This can be used by a client to keep per-table state.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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* lib/table.c
- Maintain table node count. Expose it via the route_table_count()
function (from revision cbdfbaa5).
- route_unlock_node(): Add assertion (from revision 228da428).
- route_table_free(): Make static and fix up cleanup code (from
revision 228da428).
- route_node_delete(): Change to be static.
- Add 'const' qualifier in a couple places.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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extract.pl should invoke the C preprocessor for the target system, not the
host.
* vtysh/extract.pl.in: use @CPP@ to get target cpp
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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ripd_create_socket() failed in bind() on Mac OS X 10.7 since there was garbage
in unused fields of struct sockaddr_in.
* ripd/ripd.c: zero out struct sockaddr_sin from before filling.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Fix the "BSD struct ip_mreq hack" autoconf test to work with OpenBSD.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This corrects the parameters passed to libtool when linking
the shared libraries. The paramter name is -version-info not
-version.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The patch in bug 330 did two things. It add a return value
whether ospf_nexthop_calculation() failed or not and also
moved the return stmt for 16.1.1 para 5 so now SPF
will fallback to the intervening router when no back links are found
by 16.1.1 para 5. This is wrong and can potentially create black holes
or routing loops according to Dave Katz and Acee Lindem at ospf@ietf.org
Even if the current code could be proved to be harmless in all cases,
it adds substantial extra processing and memory allocations.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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OSPF really needs to specify interface in its routes. Otherwise
ospf may change the wrong route.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
[fixed up some whitespace errors, split patch in two]
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Actually implement the IPV4_IFINDEX nexthop type that has been drifting
around as a definition forever (without any warning about it being a
placeholder).
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This is better than a prefix lookup as prefixes may not be
unique, that is, the same prefix can exist on several interfaces.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Maintain router LSA positions in OSPF interface.
Find the OSPF interface in nexthop_calculation using
the position in the router LSA. This is possible because
the only time nexthop_calculation needs to look up interfaces
is when dealing with its own Router LSA.
This has the following advantages:
- Multiple PtP interfaces with the same IP address between two routers.
- Use Unnumbered PtP on just one end of the link.
- Faster OI lookup for the OSPF interface and only
done once for PtoP links.
*ospf_interface.h: (struct ospf_interface) Add storage for
storing router LSA position.
*ospf_interface.c: (ospf_if_lookup_by_lsa_pos)
lookup OSPF I/F in an area using LSA position.
*ospf_lsa.c: (router_lsa_link_set) record Router LSA position.
*ospf_spf.c: (ospf_spf_next) Count and pass along lsa position.
(ospf_nexthop_calculation) Add lsa position argument.
call ospf_if_lookup_by_lsa_pos() for OSFP interface handle.
Clean up and remove all calls ospf_if_is_configured() the
rest. Adjust a few debug logs.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This was found in scale testing at OSR; ospfd is adding the same link
over and over again to the SPF tree. This fix prevents the resulting
memory corruption from happening and adds a debug message to track
occurence of this issue and/or confirm a proper fix.
(This version was improved by Scott Feldman over the earlier RFC.)
* ospfd/ospf_spf.c: (ospf_spf_add_parent) loop over existing vertices
and refuse to add duplicates.
Tested-by: Martin Winter <mwinter@opensourcerouting.org>
Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This makes it possible to have both "show babel route A.B.C.D/M"
and "show babel route X:X::X:X/M" commands at the same time without
the parser complaining about ambiguity.
* lib/command.c: only accept STATE_DOT after : was seen.
Reported-by: Juliusz Chroboczek <jch@pps.jussieu.fr>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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isisd got the include directory wrong on building with a separate build
directory.
* configure.ac: adjust ISIS_TOPOLOGY_INCLUDES
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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zebra address bookkeeping is a mess. this is just a workaround to have
IPv4 address deletion somewhat working on Linux.
the if_unset_prefix call is synchronous, when it returns success the
address deletion completed successfully. this is either signaled by a
netlink ACK or by an OK return value from ioctl().
This version is wrapped by #ifdef HAVE_NETLINK so we don't touch the
BSDs for now.
* zebra/interface.c: On Linux, update zebra internal state after
deleting an address.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This change adds a --with-pkg-extra-version option to ./configure to allow
packagers and distributions to fine tune the version displayed to the end
user to assist in support. It is also very useful when reporting bugs on
the official Quagga mailing lists.
There are two ways of utilsing this functionality:
a) ./configure --with-pkg-extra-version=-wmo1
b) EXTRAVERSION=-wmo1 ./configure
The latter is a common way for many distributions to add extra version
strings to signify their own patch level to a given package.
Also, minor whitespace fix in configure summary.
Signed-off-by: Joachim Nilsson <joachim.nilsson@westermo.se>
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Only implement ospfv3NbrStateChange and ospfv3IfStateChange.
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