[PATCH] Allow client isolation to be configured with ap_isolate inside wpa_supplicant configuration file

[Danilo Ravotto <danilo.ravotto@xxxxxxxx>]

Signed-off-by: Danilo Ravotto <danilo.ravotto@xxxxxxxx>
---
 wpa_supplicant/ap.c          |  2 ++
 wpa_supplicant/config.c      |  2 ++
 wpa_supplicant/config.h      | 13 +++++++++++++
 wpa_supplicant/config_file.c |  2 ++
 wpa_supplicant/wpa_cli.c     |  4 ++--
 5 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
index 939af62..9e70a6a 100644
--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -506,6 +506,8 @@ no_wps:
 	else
 		bss->max_num_sta = wpa_s->conf->max_num_sta;
 
+	bss->isolate = wpa_s->conf->ap_isolate;
+
 	bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack;
 
 	if (wpa_s->conf->ap_vendor_elements) {
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index c13383d..ee2065b 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -3899,6 +3899,7 @@ struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
 	config->bss_expiration_age = DEFAULT_BSS_EXPIRATION_AGE;
 	config->bss_expiration_scan_count = DEFAULT_BSS_EXPIRATION_SCAN_COUNT;
 	config->max_num_sta = DEFAULT_MAX_NUM_STA;
+	config->ap_isolate = DEFAULT_AP_ISOLATE;
 	config->access_network_type = DEFAULT_ACCESS_NETWORK_TYPE;
 	config->scan_cur_freq = DEFAULT_SCAN_CUR_FREQ;
 	config->wmm_ac_params[0] = ac_be;
@@ -4578,6 +4579,7 @@ static const struct global_parse_data global_fields[] = {
 	{ INT_RANGE(filter_ssids, 0, 1), 0 },
 	{ INT_RANGE(filter_rssi, -100, 0), 0 },
 	{ INT(max_num_sta), 0 },
+	{ INT(ap_isolate), 0 },
 	{ INT_RANGE(disassoc_low_ack, 0, 1), 0 },
 #ifdef CONFIG_HS20
 	{ INT_RANGE(hs20, 0, 1), 0 },
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index 07b67e6..55cc247 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -32,6 +32,7 @@
 #define DEFAULT_BSS_EXPIRATION_AGE 180
 #define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2
 #define DEFAULT_MAX_NUM_STA 128
+#define DEFAULT_AP_ISOLATE 0
 #define DEFAULT_ACCESS_NETWORK_TYPE 15
 #define DEFAULT_SCAN_CUR_FREQ 0
 #define DEFAULT_P2P_SEARCH_DELAY 500
@@ -843,6 +844,18 @@ struct wpa_config {
 	unsigned int max_num_sta;
 
 	/**
+	 * ap_isolate - Whether to use Client isolation feature
+	 *
+	 * Client isolation can be used to prevent low-level bridging of 
+	 * frames between associated stations in the BSS. By default,
+	 * this bridging is allowed (ap_isolate=0).
+	 *
+	 * 0 = do not enable AP isolation
+	 * 1 = enable AP isolation
+	 */
+	int ap_isolate;
+
+	/**
 	 * freq_list - Array of allowed scan frequencies or %NULL for all
 	 *
 	 * This is an optional zero-terminated array of frequencies in
diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 6f2161e..03110b5 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -1280,6 +1280,8 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 		fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
 	if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
 		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
+	if (config->ap_isolate != DEFAULT_AP_ISOLATE)
+		fprintf(f, "ap_isolate=%u\n", config->ap_isolate);
 	if (config->disassoc_low_ack)
 		fprintf(f, "disassoc_low_ack=%d\n", config->disassoc_low_ack);
 #ifdef CONFIG_HS20
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index 7d2d6ac..618a93d 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -476,7 +476,7 @@ static char ** wpa_cli_complete_set(const char *str, int pos)
 #endif /* CONFIG_P2P */
 		"country", "bss_max_count", "bss_expiration_age",
 		"bss_expiration_scan_count", "filter_ssids", "filter_rssi",
-		"max_num_sta", "disassoc_low_ack",
+		"max_num_sta", "disassoc_low_ack", "ap_isolate",
 #ifdef CONFIG_HS20
 		"hs20",
 #endif /* CONFIG_HS20 */
@@ -573,7 +573,7 @@ static char ** wpa_cli_complete_get(const char *str, int pos)
 #endif /* CONFIG_P2P */
 		"bss_max_count", "bss_expiration_age",
 		"bss_expiration_scan_count", "filter_ssids", "filter_rssi",
-		"max_num_sta", "disassoc_low_ack",
+		"max_num_sta", "disassoc_low_ack", "ap_isolate",
 #ifdef CONFIG_HS20
 		"hs20",
 #endif /* CONFIG_HS20 */
-- 
2.7.4


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