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New option ip-add-source-membership

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This commit is contained in:
Gerhard Rieger 2020-12-13 22:21:06 +01:00
parent 13ac417410
commit 583e14d7fa
10 changed files with 195 additions and 2 deletions

7
doc/socat.yo
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@ -394,6 +394,7 @@ label(ADDRESS_IP_DATAGRAM)dit(bf(tt(IP-DATAGRAM:<address>:<protocol>)))
link(ip-multicast-ttl)(OPTION_IP_MULTICAST_TTL),
link(ip-multicast-if)(OPTION_IP_MULTICAST_IF),
link(ip-add-membership)(OPTION_IP_ADD_MEMBERSHIP),
link(ip-add-source-membership)(OPTION_IP_ADD_SOURCE_MEMBERSHIP),
link(ttl)(OPTION_TTL),
link(tos)(OPTION_TOS),
link(pf)(OPTION_PROTOCOL_FAMILY)nl()
@ -1101,6 +1102,7 @@ label(ADDRESS_UDP_DATAGRAM)dit(bf(tt(UDP-DATAGRAM:<address>:<port>)))
link(ip-multicast-ttl)(OPTION_IP_MULTICAST_TTL),
link(ip-multicast-if)(OPTION_IP_MULTICAST_IF),
link(ip-add-membership)(OPTION_IP_ADD_MEMBERSHIP),
link(ip-add-source-membership)(OPTION_IP_ADD_SOURCE_MEMBERSHIP),
link(ttl)(OPTION_TTL),
link(tos)(OPTION_TOS),
link(sourceport)(OPTION_SOURCEPORT),
@ -2108,6 +2110,11 @@ dit(bf(tt(ip-add-membership=<multicast-address:interface-address:interface-index
provide tt(struct mreqn) (Linux).nl()
The indices of active network interfaces can be shown using the utility
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()
label(OPTION_IP_MULTICAST_IF)
dit(bf(tt(ip-multicast-if=<hostname>)))
Specifies hostname or address of the network interface to be used for