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conf: network: Allow hostnames to start with a number

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RFC952 mandated that hostnames would start with an alpha character.
This requirement was later relaxed by RFC1123 which allowed hostnames to
start with a number as well.

https://datatracker.ietf.org/doc/html/rfc952
https://datatracker.ietf.org/doc/html/rfc1123#page-13

Signed-off-by: Nicolas Lécureuil <nicolas.lecureuil@siveo.net>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Nicolas Lécureuil 2022-01-14 12:02:08 +01:00 committed by Peter Krempa
parent e185f03f39
commit 673b74be5f
1 changed files with 1 additions and 1 deletions
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src/conf/network_conf.c
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@ -548,7 +548,7 @@ virNetworkDHCPHostDefParseXML(const char *networkName,
}
name = virXMLPropString(node, "name");
if (name && (!g_ascii_isalpha(name[0]))) {
if (name && !(g_ascii_isalpha(name[0]) || g_ascii_isdigit(name[0]))) {
virReportError(VIR_ERR_XML_ERROR,
_("Cannot use host name '%s' in network '%s'"),
name, networkName);