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Enhance --domain to accept, interface names for the address range.

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This allows hosts get a domain which relects the interface they
are attached to in a way which doesn't require hard-coding addresses.

Thanks to Sten Spans for the idea.
This commit is contained in:
Simon Kelley
2022-03-05 18:07:07 +00:00
parent 4458d87289
commit 3ab6dd1c37
6 changed files with 92 additions and 11 deletions
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10
src/option.c
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@@ -2492,9 +2492,15 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
else if (!inet_pton(AF_INET6, arg, &new->end6))
ret_err_free(gen_err, new);
}
else
else if (option == 's')
{
/* subnet from interface. */
new->interface = opt_string_alloc(comma);
new->al = NULL;
}
else
ret_err_free(gen_err, new);
if (option != 's' && prefstr)
{
if (!(new->prefix = canonicalise_opt(prefstr)) ||