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netconfig: add global MulticastDNS option

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Adds the MulticastDNS option globally to main.conf. If set all
network connections (when netconfig is enabled) will set mDNS
support into the resolver. Note that an individual network profile
can still override the global value if it sets MulticastDNS.
This commit is contained in:
James Prestwood 2022-11-03 11:54:06 -07:00 committed by Denis Kenzior
parent b9855f7d62
commit c89c37378b
1 changed files with 31 additions and 9 deletions
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32
src/netconfig.c
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@ -56,6 +56,7 @@
*/ */
static uint32_t ROUTE_PRIORITY_OFFSET; static uint32_t ROUTE_PRIORITY_OFFSET;
static bool ipv6_enabled; static bool ipv6_enabled;
static char *mdns_global;
static void do_debug(const char *str, void *user_data) static void do_debug(const char *str, void *user_data)
{ {
@ -396,19 +397,36 @@ send_hostname:
} }
mdns: mdns:
if (l_settings_has_key(active_settings, "Network", "MulticastDNS") && /* If the networks has this set take that over the global */
!(mdns = l_settings_get_string(active_settings, if (l_settings_has_key(active_settings, "Network", "MulticastDNS")) {
"Network", mdns = l_settings_get_string(active_settings, "Network",
"MulticastDNS"))) { "MulticastDNS");
if (!mdns) {
l_error("netconfig: Can't load Network.MulticastDNS"); l_error("netconfig: Can't load Network.MulticastDNS");
success = false; success = false;
} }
if (mdns && !L_IN_STRSET(mdns, "true", "false", "resolve")) { if (mdns && !L_IN_STRSET(mdns, "true", "false", "resolve")) {
l_error("netconfig: Bad Network.MulticastDNS value '%s'", mdns); l_error("netconfig: Bad profile Network.MulticastDNS "
"value '%s'", mdns);
success = false; success = false;
} }
if (!success)
goto check_config;
}
if (!mdns && mdns_global) {
mdns = l_strdup(mdns_global);
if (!L_IN_STRSET(mdns, "true", "false", "resolve")) {
l_error("netconfig: Bad global Network.MulticastDNS "
"value '%s'", mdns);
success = false;
}
}
check_config:
if (!l_netconfig_check_config(netconfig->nc)) { if (!l_netconfig_check_config(netconfig->nc)) {
l_error("netconfig: Invalid configuration"); l_error("netconfig: Invalid configuration");
success = false; success = false;
@ -753,11 +771,15 @@ static int netconfig_init(void)
&ipv6_enabled)) &ipv6_enabled))
ipv6_enabled = false; ipv6_enabled = false;
mdns_global = l_settings_get_string(iwd_get_config(), "Network",
"MulticastDNS");
return 0; return 0;
} }
static void netconfig_exit(void) static void netconfig_exit(void)
{ {
l_free(mdns_global);
} }
IWD_MODULE(netconfig, netconfig_init, netconfig_exit) IWD_MODULE(netconfig, netconfig_init, netconfig_exit)