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Cope with router-solicit packets without valid source address.

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This commit is contained in:
Simon Kelley
2012-05-12 15:05:34 +01:00
parent 2021c66251
commit f632e56793
3 changed files with 7 additions and 3 deletions
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2
src/radv-protocol.h
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@@ -14,7 +14,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define ALL_HOSTS "FF02::1"
#define ALL_NODES "FF02::1"
#define ALL_ROUTERS "FF02::2"
struct ping_packet {

5
src/radv.c
View File

@@ -179,7 +179,8 @@ void icmp6_packet(void)
}
my_syslog(MS_DHCP | LOG_INFO, "RTR-SOLICIT(%s) %s", interface, mac);
send_ra(if_index, interface, &from.sin6_addr);
/* source address may not be valid in solicit request. */
send_ra(if_index, interface, !IN6_IS_ADDR_UNSPECIFIED(&from.sin6_addr) ? &from.sin6_addr : NULL);
}
}
@@ -317,7 +318,7 @@ static void send_ra(int iface, char *iface_name, struct in6_addr *dest)
addr.sin6_scope_id = iface;
}
else
inet_pton(AF_INET6, ALL_HOSTS, &addr.sin6_addr);
inet_pton(AF_INET6, ALL_NODES, &addr.sin6_addr);
send_from(daemon->icmp6fd, 0, daemon->outpacket.iov_base, save_counter(0),
(union mysockaddr *)&addr, (struct all_addr *)&parm.link_local, iface);