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authorDavid Gibson <david@gibson.dropbear.id.au>2022-11-04 14:10:33 +1100
committerStefano Brivio <sbrivio@redhat.com>2022-11-04 12:04:19 +0100
commitdd09cceaee216afc90101ee5c3a2d57b1ca1a042 (patch)
tree357910fd41e5ab0a1a0038debd0b5c24739d14aa /test/distro/opensuse
parent2b793d94ca353ac3071b5d9a75e73b64cc0c76ca (diff)
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Minor improvements to IPv4 netmask handling
There are several minor problems with our parsing of IPv4 netmasks (-n). First, we don't reject nonsensical netmasks like 0.255.0.255. Address this structurally by using prefix length instead of netmask as the primary variable, only converting (and validating) when we need to. This has the added benefit of making some things more uniform with the IPv6 path. Second, when the user specifies a prefix length, we truncate the output from strtol() to an integer, which means we would treat -n 4294967320 as valid (equivalent to 24). Fix types to check for this. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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