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| author | Donald Sharp <sharpd@cumulusnetworks.com> | 2015-06-11 18:19:59 +0200 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2015-06-11 18:19:59 +0200 |
| commit | bf8b3d27623615c3b2a82d9f4867c70c8071a9be (patch) | |
| tree | d30097084516d017567b6acd7d310fe9f4636986 /ripd | |
| parent | Update the log message when we receive a non-link-local nexthop for better (diff) | |
| download | frr-bf8b3d27623615c3b2a82d9f4867c70c8071a9be.tar.xz frr-bf8b3d27623615c3b2a82d9f4867c70c8071a9be.zip | |
When a route-map configuration is used to set the nexthop to a value, make
sure that the value is acceptable. For example, if the route-map is setting
the IPv6 link-local nexthop, make sure the value is an IPv6 link-local
address.
Diffstat (limited to 'ripd')
| -rw-r--r-- | ripd/rip_routemap.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ripd/rip_routemap.c b/ripd/rip_routemap.c index e04e43d48..e7263ad7b 100644 --- a/ripd/rip_routemap.c +++ b/ripd/rip_routemap.c @@ -1044,6 +1044,13 @@ DEFUN (set_ip_nexthop, vty_out (vty, "%% Malformed next-hop address%s", VTY_NEWLINE); return CMD_WARNING; } + if (su.sin.sin_addr.s_addr == 0 || + IPV4_CLASS_DE(su.sin.sin_addr.s_addr)) + { + vty_out (vty, "%% nexthop address cannot be 0.0.0.0, multicast " + "or reserved%s", VTY_NEWLINE); + return CMD_WARNING; + } return rip_route_set_add (vty, vty->index, "ip next-hop", argv[0]); } |