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rpcd-mod-luci: let IPv4 hostnames take precedence over IPv6 ones

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Do not overwrite IPv4-resolved hostnames with IPv6 ones in case both are
available or resolvable.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
(cherry picked from commit 93bd93e220714276eff95ea51793bb2f826328e8)
This commit is contained in:
Jo-Philipp Wich 2021-09-22 09:41:12 +02:00
parent 06419e9a9c
commit a9b4f93612
1 changed files with 3 additions and 2 deletions
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libs/rpcd-mod-luci/src/luci.c
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@ -1672,8 +1672,9 @@ rpc_luci_get_host_hints_rrdns_cb(struct ubus_request *req, int type,
avl_for_each_element(&rctx->avl, hint, avl) {
avl_for_each_element(&hint->ip6addrs, addr, avl) {
if (!memcmp(&addr->addr.in6, &in6, sizeof(in6))) {
free(hint->hostname);
hint->hostname = strdup(blobmsg_get_string(cur));
if (!hint->hostname)
hint->hostname = strdup(blobmsg_get_string(cur));
break;
}
}