+From: Felix Fietkau <nbd@nbd.name>
+Date: Thu, 15 Dec 2022 13:57:04 +0100
+Subject: [PATCH] hostapd: add support for automatically setting RADIUS own-ip
+ dynamically
+
+Some servers use the NAS-IP-Address attribute as a destination address
+
+--- a/hostapd/config_file.c
++++ b/hostapd/config_file.c
+@@ -2819,6 +2819,8 @@ static int hostapd_config_fill(struct ho
+ } else if (os_strcmp(buf, "iapp_interface") == 0) {
+ wpa_printf(MSG_INFO, "DEPRECATED: iapp_interface not used");
+ #endif /* CONFIG_IAPP */
++ } else if (os_strcmp(buf, "dynamic_own_ip_addr") == 0) {
++ bss->dynamic_own_ip_addr = atoi(pos);
+ } else if (os_strcmp(buf, "own_ip_addr") == 0) {
+ if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
+ wpa_printf(MSG_ERROR,
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
-@@ -311,6 +311,7 @@ struct hostapd_bss_config {
+@@ -310,6 +310,7 @@ struct hostapd_bss_config {
unsigned int eap_sim_db_timeout;
int eap_server_erp; /* Whether ERP is enabled on internal EAP server */
struct hostapd_ip_addr own_ip_addr;
char *nas_identifier;
struct hostapd_radius_servers *radius;
int acct_interim_interval;
+--- a/src/ap/ieee802_1x.c
++++ b/src/ap/ieee802_1x.c
+@@ -601,6 +601,10 @@ int add_common_radius_attr(struct hostap
+ struct hostapd_radius_attr *attr;
+ int len;
+
++ if (hapd->conf->dynamic_own_ip_addr)
++ radius_client_get_local_addr(hapd->radius,
++ &hapd->conf->own_ip_addr);
++
+ if (!hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_NAS_IP_ADDRESS) &&
+ hapd->conf->own_ip_addr.af == AF_INET &&
--- a/src/radius/radius_client.c
+++ b/src/radius/radius_client.c
-@@ -163,6 +163,8 @@ struct radius_client_data {
+@@ -165,6 +165,8 @@ struct radius_client_data {
*/
void *ctx;
/**
* conf - RADIUS client configuration (list of RADIUS servers to use)
*/
-@@ -720,6 +722,30 @@ static void radius_client_list_add(struc
+@@ -819,6 +821,30 @@ static void radius_close_acct_socket(str
/**
* radius_client_send - Send a RADIUS request
* @radius: RADIUS client context from radius_client_init()
* @msg: RADIUS message to be sent
-@@ -1238,6 +1264,10 @@ radius_change_server(struct radius_clien
+@@ -1711,6 +1737,10 @@ radius_change_server(struct radius_clien
wpa_printf(MSG_DEBUG, "RADIUS local address: %s:%u",
inet_ntoa(claddr.sin_addr),
ntohs(claddr.sin_port));
}
break;
#ifdef CONFIG_IPV6
-@@ -1249,6 +1279,10 @@ radius_change_server(struct radius_clien
+@@ -1722,6 +1752,10 @@ radius_change_server(struct radius_clien
inet_ntop(AF_INET6, &claddr6.sin6_addr,
abuf, sizeof(abuf)),
ntohs(claddr6.sin6_port));
}
--- a/src/radius/radius_client.h
+++ b/src/radius/radius_client.h
-@@ -249,6 +249,8 @@ int radius_client_register(struct radius
+@@ -274,6 +274,8 @@ int radius_client_register(struct radius
void radius_client_set_interim_error_cb(struct radius_client_data *radius,
void (*cb)(const u8 *addr, void *ctx),
void *ctx);
int radius_client_send(struct radius_client_data *radius,
struct radius_msg *msg,
RadiusType msg_type, const u8 *addr);
---- a/src/ap/ieee802_1x.c
-+++ b/src/ap/ieee802_1x.c
-@@ -535,6 +535,10 @@ int add_common_radius_attr(struct hostap
- struct hostapd_radius_attr *attr;
- int len;
-
-+ if (hapd->conf->dynamic_own_ip_addr)
-+ radius_client_get_local_addr(hapd->radius,
-+ &hapd->conf->own_ip_addr);
-+
- if (!hostapd_config_get_radius_attr(req_attr,
- RADIUS_ATTR_NAS_IP_ADDRESS) &&
- hapd->conf->own_ip_addr.af == AF_INET &&
---- a/hostapd/config_file.c
-+++ b/hostapd/config_file.c
-@@ -2681,6 +2681,8 @@ static int hostapd_config_fill(struct ho
- } else if (os_strcmp(buf, "iapp_interface") == 0) {
- wpa_printf(MSG_INFO, "DEPRECATED: iapp_interface not used");
- #endif /* CONFIG_IAPP */
-+ } else if (os_strcmp(buf, "dynamic_own_ip_addr") == 0) {
-+ bss->dynamic_own_ip_addr = atoi(pos);
- } else if (os_strcmp(buf, "own_ip_addr") == 0) {
- if (hostapd_parse_ip_addr(pos, &bss->own_ip_addr)) {
- wpa_printf(MSG_ERROR,