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New option ipv6-join-source-group

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This commit is contained in:
Gerhard Rieger 2023-06-24 10:40:07 +02:00
parent 003ca09721
commit 9f632ec651
8 changed files with 229 additions and 3 deletions

23
doc/socat.yo
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@ -413,6 +413,7 @@ label(ADDRESS_IP_DATAGRAM)dit(bf(tt(IP-DATAGRAM:<address>:<protocol>)))
link(ip-add-membership)(OPTION_IP_ADD_MEMBERSHIP),
link(ip-add-source-membership)(OPTION_IP_ADD_SOURCE_MEMBERSHIP),
link(ipv6-join-group)(OPTION_IPV6_JOIN_GROUP),
link(ipv6-join-source-group)(OPTION_IPV6_JOIN_SOURCE_GROUP),
link(ttl)(OPTION_TTL),
link(tos)(OPTION_TOS),
link(pf)(OPTION_PROTOCOL_FAMILY)nl()
@ -1129,6 +1130,7 @@ label(ADDRESS_UDP_DATAGRAM)dit(bf(tt(UDP-DATAGRAM:<address>:<port>)))
link(ip-add-membership)(OPTION_IP_ADD_MEMBERSHIP),
link(ip-add-source-membership)(OPTION_IP_ADD_SOURCE_MEMBERSHIP),
link(ipv6-join-group)(OPTION_IPV6_JOIN_GROUP),
link(ipv6-join-source-group)(OPTION_IPV6_JOIN_SOURCE_GROUP),
link(ttl)(OPTION_TTL),
link(tos)(OPTION_TOS),
link(sourceport)(OPTION_SOURCEPORT),
@ -2172,9 +2174,13 @@ dit(bf(tt(ip-add-membership=<multicast-address:interface-address:interface-index
procan().
label(OPTION_IP_ADD_SOURCE_MEMBERSHIP)
dit(bf(tt(ip-add-source-membership=<multicast-address:interface-address:source-address>)))
Makes the socket member of the specified multicast group for the specified
source, i.e. only multicast traffic from this address is to be delivered.
This is currently only implemented for IPv4.nl()
Makes the socket member of the specified multicast group for the
specified source, i.e. only multicast traffic from this address is to be
delivered. This only works for IPv4, see
link(ipv6-join-source-group)(OPTION_IPV6_JOIN_SOURCE_GROUP) for the IPv6
variant. The option takes the IP address of the multicast group, the IP
address of the desired network interface and the source IP address of the
multicast traffic.
label(OPTION_IPV6_JOIN_GROUP)
dit(bf(tt(ipv6-join-group=<multicast-address:interface-name>)))
dit(bf(tt(ipv6-join-group=<multicast-address:interface-index>)))
@ -2184,6 +2190,17 @@ dit(bf(tt(ipv6-join-group=<multicast-address:interface-index>)))
group and info about the desired network interface.
The indices of active network interfaces can be shown using the utility
procan().
label(OPTION_IPV6_JOIN_SOURCE_GROUP)
dit(bf(tt(ipv6-join-source-group=<multicast-address:interface-name:source-address>)))
dit(bf(tt(ipv6-join-source-group=<multicast-address:interface-index:source-address>)))
Makes the socket member of the specified multicast group for the
specified source, i.e. only multicast traffic from this address is to be
delivered. This only works for IPv6, see
link(ip-add-source-membership)(OPTION_IP_ADD_SOURCE_MEMBERSHIP) for the
IPv4 variant. The option takes the IP address of the multicast group,
info about the desired network interface and the source IP address of the
multicast traffic. The indices of active network interfaces can be shown
using the utility procan().
label(OPTION_IP_MULTICAST_IF)
dit(bf(tt(ip-multicast-if=<hostname>)))
Specifies hostname or address of the network interface to be used for