[PATCH v3 02/15] mesh: factor out rsn initialization

[peter.oh at bowerswilkins.com]

From: Peter Oh <peter.oh at bowerswilkins.com>

RSN initialization can be used in different phases
if mesh initialization and mesh join don't happen
in sequence such as DFS CAC is done in between,
hence factor it out to help convering the case.

Signed-off-by: Peter Oh <peter.oh at bowerswilkins.com>
---
 wpa_supplicant/mesh.c | 84 ++++++++++++++++++++++++++++++---------------------
 wpa_supplicant/mesh.h |  1 +
 2 files changed, 50 insertions(+), 35 deletions(-)

diff --git a/wpa_supplicant/mesh.c b/wpa_supplicant/mesh.c
index 3f3461f..82283aa 100644
--- a/wpa_supplicant/mesh.c
+++ b/wpa_supplicant/mesh.c
@@ -147,6 +147,53 @@ static void wpas_mesh_copy_groups(struct hostapd_data *bss,
 }
 
 
+int wpas_mesh_init_rsn(struct wpa_supplicant *wpa_s)
+{
+	struct hostapd_iface *ifmsh = wpa_s->ifmsh;
+	struct mesh_conf *mconf = wpa_s->ifmsh->mconf;
+	struct wpa_ssid *ssid = wpa_s->current_ssid;
+	struct hostapd_data *bss = ifmsh->bss[0];
+	static int default_groups[] = { 19, 20, 21, 25, 26, -1 };
+	const char *password;
+	size_t len;
+
+	if (mconf->security != MESH_CONF_SEC_NONE) {
+		password = ssid->sae_password;
+		if (!password)
+			password = ssid->passphrase;
+		if (!password) {
+			wpa_printf(MSG_ERROR,
+				   "mesh: Passphrase for SAE not configured");
+			return -1;
+		}
+
+		bss->conf->wpa = ssid->proto;
+		bss->conf->wpa_key_mgmt = ssid->key_mgmt;
+
+		if (wpa_s->conf->sae_groups &&
+		    wpa_s->conf->sae_groups[0] > 0) {
+			wpas_mesh_copy_groups(bss, wpa_s);
+		} else {
+			bss->conf->sae_groups =
+				os_memdup(default_groups,
+					  sizeof(default_groups));
+			if (!bss->conf->sae_groups)
+				return -1;
+		}
+
+		len = os_strlen(password);
+		bss->conf->ssid.wpa_passphrase =
+			dup_binstr(password, len);
+
+		wpa_s->mesh_rsn = mesh_rsn_auth_init(wpa_s, mconf);
+		if (!wpa_s->mesh_rsn)
+			return -1;
+	}
+
+	return 0;
+}
+
+
 static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
 				    struct wpa_ssid *ssid,
 				    struct hostapd_freq_params *freq)
@@ -156,9 +203,6 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
 	struct hostapd_config *conf;
 	struct mesh_conf *mconf;
 	int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 };
-	static int default_groups[] = { 19, 20, 21, 25, 26, -1 };
-	const char *password;
-	size_t len;
 	int rate_len;
 	int frequency;
 
@@ -291,38 +335,8 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
 		return -1;
 	}
 
-	if (mconf->security != MESH_CONF_SEC_NONE) {
-		password = ssid->sae_password;
-		if (!password)
-			password = ssid->passphrase;
-		if (!password) {
-			wpa_printf(MSG_ERROR,
-				   "mesh: Passphrase for SAE not configured");
-			goto out_free;
-		}
-
-		bss->conf->wpa = ssid->proto;
-		bss->conf->wpa_key_mgmt = ssid->key_mgmt;
-
-		if (wpa_s->conf->sae_groups &&
-		    wpa_s->conf->sae_groups[0] > 0) {
-			wpas_mesh_copy_groups(bss, wpa_s);
-		} else {
-			bss->conf->sae_groups =
-				os_memdup(default_groups,
-					  sizeof(default_groups));
-			if (!bss->conf->sae_groups)
-				goto out_free;
-		}
-
-		len = os_strlen(password);
-		bss->conf->ssid.wpa_passphrase =
-			dup_binstr(password, len);
-
-		wpa_s->mesh_rsn = mesh_rsn_auth_init(wpa_s, mconf);
-		if (!wpa_s->mesh_rsn)
-			goto out_free;
-	}
+	if (wpas_mesh_init_rsn(wpa_s))
+		goto out_free;
 
 	wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf);
 
diff --git a/wpa_supplicant/mesh.h b/wpa_supplicant/mesh.h
index 2e2f3cf..9952102 100644
--- a/wpa_supplicant/mesh.h
+++ b/wpa_supplicant/mesh.h
@@ -22,6 +22,7 @@ int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr);
 int wpas_mesh_peer_add(struct wpa_supplicant *wpa_s, const u8 *addr,
 		       int duration);
 void wpas_join_mesh(struct wpa_supplicant *wpa_s);
+int wpas_mesh_init_rsn(struct wpa_supplicant *wpa_s);
 
 #ifdef CONFIG_MESH
 
-- 
2.7.4