# IS_IN ( 192.0.2.2 )
$MZ $h1.10 -c 1 -A 192.0.2.1 -B 239.1.1.1 \
- -t ip proto=2,p=$(igmpv3_is_in_get) -q
+ -t ip proto=2,p=$(igmpv3_is_in_get 239.1.1.1 192.0.2.2) -q
bridge -d mdb show dev br0 vid 10 | grep 239.1.1.1 | grep -q 192.0.2.2
check_fail $? "Permanent entry affected by IGMP packet"
# IS_IN ( 192.0.2.2 )
$MZ $h1.10 -c 1 -A 192.0.2.1 -B 239.1.1.1 \
- -t ip proto=2,p=$(igmpv3_is_in_get) -q
+ -t ip proto=2,p=$(igmpv3_is_in_get 239.1.1.1 192.0.2.2) -q
bridge -d mdb show dev br0 vid 10 | grep 239.1.1.1 | grep -v "src" | \
grep -q 192.0.2.2
filter_mode include source_list 2001:db8:1::1
# IS_IN ( 2001:db8:1::2 )
+ local p=$(mldv2_is_in_get fe80::1 ff0e::1 2001:db8:1::2)
$MZ -6 $h1.10 -c 1 -A fe80::1 -B ff0e::1 \
- -t ip hop=1,next=0,p=$(mldv2_is_in_get) -q
+ -t ip hop=1,next=0,p="$p" -q
bridge -d mdb show dev br0 vid 10 | grep ff0e::1 | \
grep -q 2001:db8:1::2
# IS_IN ( 2001:db8:1::2 )
$MZ -6 $h1.10 -c 1 -A fe80::1 -B ff0e::1 \
- -t ip hop=1,next=0,p=$(mldv2_is_in_get) -q
+ -t ip hop=1,next=0,p="$p" -q
bridge -d mdb show dev br0 vid 10 | grep ff0e::1 | grep -v "src" | \
grep -q 2001:db8:1::2
igmpv3_is_in_get()
{
+ local GRP=$1; shift
+ local IP=$1; shift
+
local igmpv3
+ # IS_IN ( $IP )
igmpv3=$(:
)"22:"$( : Type - Membership Report
)"00:"$( : Reserved
- )"2a:f8:"$( : Checksum
+ )"CHECKSUM:"$( : Checksum
)"00:00:"$( : Reserved
)"00:01:"$( : Number of Group Records
)"01:"$( : Record Type - IS_IN
)"00:"$( : Aux Data Len
)"00:01:"$( : Number of Sources
- )"ef:01:01:01:"$( : Multicast Address - 239.1.1.1
- )"c0:00:02:02"$( : Source Address - 192.0.2.2
+ )"$(ipv4_to_bytes $GRP):"$( : Multicast Address
+ )"$(ipv4_to_bytes $IP)"$( : Source Address
)
+ local checksum=$(payload_template_calc_checksum "$igmpv3")
- echo $igmpv3
+ payload_template_expand_checksum "$igmpv3" $checksum
}
mldv2_is_in_get()
{
+ local SIP=$1; shift
+ local GRP=$1; shift
+ local IP=$1; shift
+
local hbh
local icmpv6
icmpv6=$(:
)"8f:"$( : Type - MLDv2 Report
)"00:"$( : Code
- )"45:39:"$( : Checksum
+ )"CHECKSUM:"$( : Checksum
)"00:00:"$( : Reserved
)"00:01:"$( : Number of Group Records
)"01:"$( : Record Type - IS_IN
)"00:"$( : Aux Data Len
)"00:01:"$( : Number of Sources
- )"ff:0e:00:00:00:00:00:00:"$( : Multicast address - ff0e::1
- )"00:00:00:00:00:00:00:01:"$( :
- )"20:01:0d:b8:00:01:00:00:"$( : Source Address - 2001:db8:1::2
- )"00:00:00:00:00:00:00:02:"$( :
+ )"$(ipv6_to_bytes $GRP):"$( : Multicast address
+ )"$(ipv6_to_bytes $IP):"$( : Source Address
)
- echo ${hbh}${icmpv6}
+ local len=$(u16_to_bytes $(payload_template_nbytes $icmpv6))
+ local sudohdr=$(:
+ )"$(ipv6_to_bytes $SIP):"$( : SIP
+ )"$(ipv6_to_bytes $GRP):"$( : DIP is multicast address
+ )"${len}:"$( : Upper-layer length
+ )"00:3a:"$( : Zero and next-header
+ )
+ local checksum=$(payload_template_calc_checksum ${sudohdr}${icmpv6})
+
+ payload_template_expand_checksum "$hbh$icmpv6" $checksum
}