[PATCH 7/9] hostapd_cli: Completion for disassociate and deauthenticate

[Mikael Kanstrup <mikael.kanstrup@xxxxxxxxxxxxxx>]

Command completion routine for disassociate and deauthenticate
commands implemented. Tracks AP-STA-CONNECTED/AP-STA-DISCONNECTED
events for easy station bssid lookup.

Signed-off-by: Mikael Kanstrup <mikael.kanstrup@xxxxxxxxxxxxxx>
---
 hostapd/hostapd_cli.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 60 insertions(+), 2 deletions(-)

diff --git a/hostapd/hostapd_cli.c b/hostapd/hostapd_cli.c
index a13d19c..849d468 100644
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -76,6 +76,8 @@ static int ping_interval = 5;
 static int interactive = 0;
 static int event_handler_registered = 0;
 
+static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
+
 static void print_help(FILE *stream, const char *cmd);
 static char ** list_cmd_list(void);
 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
@@ -405,6 +407,21 @@ static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
 }
 
 
+static char ** hostapd_complete_deauthenticate(const char *str, int pos)
+{
+	int arg = get_cmd_arg_num(str, pos);
+	char **res = NULL;
+
+	switch (arg) {
+	case 1:
+		res = cli_txt_list_array(&stations);
+		break;
+	}
+
+	return res;
+}
+
+
 static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
 					char *argv[])
 {
@@ -423,6 +440,21 @@ static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
 }
 
 
+static char ** hostapd_complete_disassociate(const char *str, int pos)
+{
+	int arg = get_cmd_arg_num(str, pos);
+	char **res = NULL;
+
+	switch (arg) {
+	case 1:
+		res = cli_txt_list_array(&stations);
+		break;
+	}
+
+	return res;
+}
+
+
 #ifdef CONFIG_IEEE80211W
 static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
 				    char *argv[])
@@ -1279,9 +1311,11 @@ static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
 	   "= get MIB variables for all stations" },
 	{ "new_sta", hostapd_cli_cmd_new_sta, NULL,
 	  "<addr> = add a new station" },
-	{ "deauthenticate", hostapd_cli_cmd_deauthenticate, NULL,
+	{ "deauthenticate", hostapd_cli_cmd_deauthenticate,
+	  hostapd_complete_deauthenticate,
 	  "<addr> = deauthenticate a station" },
-	{ "disassociate", hostapd_cli_cmd_disassociate, NULL,
+	{ "disassociate", hostapd_cli_cmd_disassociate,
+	  hostapd_complete_disassociate,
 	  "<addr> = disassociate a station" },
 #ifdef CONFIG_IEEE80211W
 	{ "sa_query", hostapd_cli_cmd_sa_query, NULL,
@@ -1451,6 +1485,29 @@ static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
 
 static void cli_event(const char *str)
 {
+	const char *start, *s;
+
+	start = os_strchr(str, '>');
+	if (start == NULL)
+		return;
+
+	start++;
+
+	if (str_starts(start, AP_STA_CONNECTED)) {
+		s = os_strchr(start, ' ');
+		if (s == NULL)
+			return;
+		cli_txt_list_add(&stations, s + 1);
+		return;
+	}
+
+	if (str_starts(start, AP_STA_DISCONNECTED)) {
+		s = os_strchr(start, ' ');
+		if (s == NULL)
+			return;
+		cli_txt_list_del_addr(&stations, s + 1);
+		return;
+	}
 }
 
 
@@ -1641,6 +1698,7 @@ static void hostapd_cli_interactive(void)
 
 	eloop_run();
 
+	cli_txt_list_flush(&stations);
 	edit_deinit(NULL, NULL);
 	eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
 }
-- 
2.9.0.137.gcf4c2cf


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