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netconfig: Allow to override IPv4 DHCP DNSs with static addresses

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This commit is contained in:
Tim Kourt 2019-10-03 13:48:50 -07:00 committed by Denis Kenzior
parent 46a88744c1
commit 0fdd27463e
1 changed files with 29 additions and 8 deletions
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37
src/netconfig.c
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@ -206,14 +206,37 @@ static char *netconfig_ipv4_get_gateway(struct netconfig *netconfig)
static char **netconfig_ipv4_get_dns(struct netconfig *netconfig, uint8_t proto)
{
const struct l_dhcp_lease *lease;
struct in_addr in_addr;
char **dns_list;
char **p;
switch (proto) {
case RTPROT_STATIC:
return l_settings_get_string_list(netconfig->active_settings,
p = dns_list = l_settings_get_string_list(netconfig->active_settings,
"IPv4", "dns", ' ');
if (dns_list && *dns_list) {
for (; *p; p++) {
if (inet_pton(AF_INET, *p, &in_addr) == 1)
continue;
case RTPROT_DHCP:
l_error("netconfig: Invalid IPv4 DNS address '%s' is "
"provided in network configuration file.", *p);
l_strv_free(dns_list);
return NULL;
}
/* Allow to override the DHCP DNSs with static addressing. */
return dns_list;
} else if (dns_list) {
l_error("netconfig: No IPv4 DNS address is provided in network "
"configuration file.");
l_strv_free(dns_list);
return NULL;
}
if (proto == RTPROT_DHCP) {
lease = l_dhcp_client_get_lease(netconfig->dhcp_client);
if (!lease)
return NULL;
@ -661,9 +684,7 @@ static void netconfig_ipv4_ifaddr_add_cmd_cb(int error, uint16_t type,
dns = netconfig_ipv4_get_dns(netconfig, netconfig->rtm_protocol);
if (!dns) {
l_error("netconfig: Failed to obtain DNS addresses from %s.",
netconfig->rtm_protocol == RTPROT_STATIC ?
"setting file" : "DHCPv4 lease");
l_error("netconfig: Failed to obtain DNS addresses.");
goto done;
}