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authorStefano Brivio <sbrivio@redhat.com>2021-10-10 01:09:25 +0200
committerStefano Brivio <sbrivio@redhat.com>2021-10-10 01:13:27 +0200
commit580581fd966015538b527fcd52449055b795cbf4 (patch)
treeb86f30622ca5df499e538f011772d3a1132277ad /util.c
parente871fa9f224dd0cba8d01b16f3c7a4fc06cdc1ed (diff)
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conf: Avoid getifaddrs(), split L2/L3 address fetching, get filtered dumps
getifaddrs() needs to allocate heap memory, and gets a ton of results we don't need. Use explicit netlink messages with "strict checking" instead. While at it, separate L2/L3 address handling, so that we don't fetch MAC addresses for IPv6, and also use netlink instead of ioctl() to get the MAC address. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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