From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 26 May 2023 10:23:59 +0200
Subject: [PATCH] Add ucode support, use ucode for the main ubus object #2

This implements vastly improved dynamic configuration reload support.
It can handle configuration changes on individual wifi interfaces, as well
as adding/removing interfaces.

--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -5223,7 +5223,12 @@ struct hostapd_config * hostapd_config_r
 	int errors = 0;
 	size_t i;
 
-	f = fopen(fname, "r");
+	if (!strncmp(fname, "data:", 5)) {
+		f = fmemopen((void *)(fname + 5), strlen(fname + 5), "r");
+		fname = "<inline>";
+	} else {
+		f = fopen(fname, "r");
+	}
 	if (f == NULL) {
 		wpa_printf(MSG_ERROR, "Could not open configuration file '%s' "
 			   "for reading.", fname);
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -390,8 +390,13 @@ struct wpa_config * wpa_config_read(cons
 	while (identity_tail && identity_tail->next)
 		identity_tail = identity_tail->next;
 
+	if (!strncmp(name, "data:", 5)) {
+		f = fmemopen((void *)(name + 5), strlen(name + 5), "r");
+		name = "<inline>";
+	} else {
+		f = fopen(name, "r");
+	}
 	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
-	f = fopen(name, "r");
 	if (f == NULL) {
 		wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
 			   "error: %s", name, strerror(errno));
