Age | Commit message (Collapse) | Author |
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Do not check each of the Optional/Transitive/Partial attribute
flag bits, when their only valid combination is known in advance,
but still perform bit-deep error message logging. This change
assumes unused (low-order) 4 bits of the flag octet cleared.
* bgp_attr.c
* bgp_attr_origin(): rewrite check
* bgp_attr_nexthop(): idem
* bgp_attr_med(): idem
* bgp_attr_local_pref(): idem
* bgp_attr_atomic(): idem
Conflicts:
bgpd/bgp_attr.c
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ORIGIN handling function used to have "partial" bit check and recent
commits added it for NEXT_HOP, MULTI_EXIT_DISC and ATOMIC_AGGREGATE
cases. This commit adds "partial" check for AS_PATH and LOCAL_PREF
cases, which should leave attributes 1 through 6 inclusive completely
covered with attribute flags checks.
* bgp_attr.c
* bgp_attr_origin(): use bit-by-bit checks for better diagnostics
* bgp_attr_aspath(): add flag check
* bgp_attr_local_pref(): idem
Conflicts:
bgpd/bgp_attr.c
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* lib/prefix.h
* IPV4_CLASS_DE(): new helper macro
* bgp_attr.c
* bgp_attr_nexthop(): add check for "partial" bit, refresh flag error
reporting, explain meaning of RFC4271 section 6.3 and implement it
Conflicts:
bgpd/bgp_attr.c
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- SAFI value 3 is reserved. It was assigned by RFC 2858 for a use
that was never fully implemented, so it is deprecated by this
document.
* zebra.h: rename macro
* bgp_fsm.c: (bgp_graceful_restart_timer_expire,
bgp_graceful_stale_timer_expire, bgp_stop, bgp_establish): update
* bgpd.c: (peer_nsf_stop): update
* bgp_open.c: (bgp_capability_vty_out): SAFI 3 isn't a recognized case
any more
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(with resolved conflict in bgpd/bgp_packet.c)
Two macros resolving to the same integer constant broke a case block and
a more thorough merge of BGP_SAFI_VPNV4 and BGP_SAFI_VPNV6 was
performed.
* bgpd.h: MPLS-labeled VPN SAFI is AFI-independent, switch to single
* macro
* bgp_capability_test.c: update test data
* bgp_mp_attr_test.c: idem
* bgp_route.c: (bgp_maximum_prefix_overflow, bgp_table_stats_vty) update
macro and check conditions (where appropriate)
* bgp_packet.c: (bgp_route_refresh_send, bgp_capability_send,
bgp_update_receive, bgp_route_refresh_receive): idem
* bgp_open.c: (bgp_capability_vty_out, bgp_afi_safi_valid_indices,
bgp_open_capability_orf, bgp_open_capability): idem
* bgp_attr.c: (bgp_mp_reach_parse, bgp_packet_attribute,
bgp_packet_withdraw): idem
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* bgpd.h: change value of BGP_SAFI_VPNV6 to 128 (RFC4659, BZ#659)
* bgp_route.c: (bgp_table_stats_vty) fix length argument to strncmp()
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commit '717750433839762d23a5f8d88fe0b4d57c8d490a' causes SEGV error,
when 'oi = ospf_if_lookup_recv_if (ospf, iph->ip_src, ifp);' returns
NULL.
* ospf_packet.c
* ospf_read(): change a place of calling 'ospf_verify_header()'
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* bgp_debug.c (bgp_notify_open_msg, bgp_notify_update_msg,
bgp_notify_cease_msg, bgp_notify_capability_msg): add messages for
"unspecific" subcode.
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* log.[ch]
* mes_lookup: add a parameter with the name of the message list, print
the name in case of failure.
* LOOKUP macro: pass the name of the message list.
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Other platform may have compatible facilities.
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* ospf6_main.c: include required headers
* ospf6_asbr.h: idem
* ospf6_spf.c
* ospf6_spf_install(): remove unused variables
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* ospf_spf.c
* ROUTER_LSA_TOS_SIZE: prepend OSPF_ and move to ospf_lsa.h
* ROUTER_LSA_MIN_SIZE: replace with existing OSPF_ROUTER_LSA_LINK_SIZE
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(This commit is based on the patch from BZ#420, and should fix that bug.)
* configure.ac: detect availability of that API
* sockopt.c (setsockopt_ipv4_multicast): use it for join/leave IPv4
multicast groups
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* sockopt.c (setsockopt_ipv4_multicast): check for wrong optname with
assert(), rather than return an error.
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* sockopt.c (setsockopt_ipv4_multicast_if): fix missed line in
the previous commit.
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* sockopt.[ch] (setsockopt_ipv4_multicast): ifindex is now mandatory (all
non-ancient OSes can use it anyway), and if_addr parameter (the address
of the interface) is now gone. (setsockopt_ipv4_multicast_if):
IP_MULTICAST_IF processing moved to this new function
* ospf_network.c (ospf_if_add_allspfrouters, ospf_if_drop_allspfrouters,
ospf_if_add_alldrouters, ospf_if_drop_alldrouters, ospf_if_ipmulticast),
rip_interface.c (ipv4_multicast_join, ipv4_multicast_leave,
rip_interface_new): adapt to the new interface
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* sockopt.c (getsockopt_ifindex): "ifindex" was never used
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* bgp_attr.c
* bgp_attr_atomic(): accept extra argument, add checks for
"optional", "transitive" and "partial" bits, log each error
condition independently
* bgp_attr_parse(): provide extra argument
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* bgp_attr.c
* bgp_attr_med(): add checks for "optional", "transitive" and
"partial" bits, log each error condition independently
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* bgp_attr.c
* bgp_attr_local_pref(): accept extra argument, add checks for
"optional" and "transitive" bits, log each error condition
independently
* bgp_attr_parse(): provide extra argument
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* bgp_packet.c
* bgp_notify_send_with_data(): add calls to zlog_info()
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* ospf6_area.c
* ospf6_area_config_write(): write filter-list, import-list and
export-list lines
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This essentially merges the fix available from Debian build of Quagga.
* ospf6_area.c
* area_filter_list(): use correct argv indices
* no_area_filter_list(): idem
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This change is based on Xavier Beaudouin's patch (which fixes detection
of 3 config.h macros on FreeBSD without any impact to Linux build of
Quagga) and FreeBSD port patch (which fixes 5 config.h macros, but
breaks the Linux build), it fixes 5 macros and works for both FreeBSD 8
and Linux.
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* isis_pdu.c: Divide hello interval by three, depending if we are DIS or
not.
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The crash is due to threads accessing data that gets destroyed
during the removal of the configuration.
* isis_circuit.c: Destroy adjacencies to stop adjacency expiry thread.
Stop PSNP threads.
* isisd.c: Change state of circuit back to INIT and reassign the
circuit structure to isis->init_circ_list rather than destroying
the circuit data structure. Stop SPF threads. Stop LSP generation
threads.
* isisd.h: Add pointers to LSP threads into area structure in order to
stop them in isisd.c
* isis_lsp.c: Store pointer to LSP thread in area structure.
* isis_pdu.c: Stop PDU generation for a circuit with a removed area.
* isis_pfpacket.c: Stop processing received PDUs for a circuit with a
removed area.
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Recent versions of libc on Linux (Debian Testing) create lots of
compile warnings about direct usage of libutil.h
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* rt_netlink.c
* netlink_route_change(): fetch metric information like
netlink_routing_table() does and pass it further
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* ospf_route.c: Function ospf_asbr_route_cmp is called uniquely from
ospf_route_cmp() when the flag OSPF_RFC1583_COMPATIBLE is not set.
Therefore, the check that the flag is set doesn't make sense at all
and it can consequently be removed without doing any harm.
Signed-off-by: Alexandre Chappuis <alc@open.ch>
Signed-off-by: Roman Hoog Antink <rha@open.ch>
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* ospfd.texi: Adjust meaning of the rfc1583compatibility option in
order to match the RFC specification and the actual source code.
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This vulnerability (CERT-FI #514840) was reported by CROSS project.
ospf6d processes IPv6 prefix structures in incoming packets without
verifying that the declared prefix length is valid. This leads to a
crash
caused by out of bounds memory access.
* ospf6_abr.h: new macros for size/alignment validation
* ospf6_asbr.h: idem
* ospf6_intra.h: idem
* ospf6_lsa.h: idem
* ospf6_message.h: idem
* ospf6_proto.h: idem
* ospf6_message.c
* ospf6_packet_minlen: helper array for ospf6_packet_examin()
* ospf6_lsa_minlen: helper array for ospf6_lsa_examin()
* ospf6_hello_recv(): do not call ospf6_header_examin(), let upper
layer verify the input data
* ospf6_dbdesc_recv(): idem
* ospf6_lsreq_recv(): idem
* ospf6_lsupdate_recv(): idem
* ospf6_lsack_recv(): idem
* ospf6_prefixes_examin(): new function, implements A.4.1
* ospf6_lsa_examin(): new function, implements A.4
* ospf6_lsaseq_examin(): new function, an interface to above
* ospf6_packet_examin(): new function, implements A.3
* ospf6_rxpacket_examin(): new function, replaces
ospf6_header_examin()
* ospf6_header_examin(): sayonara
* ospf6_receive(): perform passive interface check earliest possible,
employ ospf6_rxpacket_examin()
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This vulnerability (CERT-FI #514839) was reported by CROSS project.
When Database Description LSA header list contains trailing zero octets,
ospf6d tries to process this data as an LSA header. This triggers an
assertion in the code and ospf6d shuts down.
* ospf6_lsa.c
* ospf6_lsa_is_changed(): handle header-only argument(s)
appropriately, do not treat LSA length underrun as a fatal error.
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This vulnerability (CERT-FI #514838) was reported by CROSS project.
The error is reproducible only when ospfd debugging is enabled:
* debug ospf packet all
* debug ospf zebra
When incoming packet header type field is set to 0x0a, ospfd will crash.
* ospf_packet.c
* ospf_verify_header(): add type field check
* ospf_read(): perform input checks early
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This vulnerability (CERT-FI #514838) was reported by CROSS project.
When only 14 first bytes of a Hello packet is delivered, ospfd crashes.
* ospf_packet.c
* ospf_read(): add size check
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This vulnerability (CERT-FI #514837) was reported by CROSS project.
They have also suggested a fix to the problem, which was found
acceptable.
Quagga ospfd does not seem to handle unknown LSA types in a Link State
Update message correctly. If LSA type is something else than one
supported
by Quagga, the default handling of unknown types leads to an error.
* ospf_flood.c
* ospf_flood(): check return value of ospf_lsa_install()
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