From 080afc03d5c8389a15aeb3ae91c8f97f655abf50 Mon Sep 17 00:00:00 2001
From: Sai Pratyusha Magam <quic_smagam@quicinc.com>
Date: Fri, 11 Nov 2022 18:14:10 +0530
Subject: [PATCH] Add hostapd control interface command to stop logging to file

Add CLOSE_LOG command to stop hostapd logging to file. This can be
followed with RELOG to restart logging to the same file path.

Signed-off-by: Sai Pratyusha Magam <quic_smagam@quicinc.com>
---
 hostapd/ctrl_iface.c  |  2 ++
 hostapd/hostapd_cli.c |  9 +++++++++
 src/utils/wpa_debug.c | 10 +++++++++-
 src/utils/wpa_debug.h |  1 +
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index 5582930953..30c44f1a8c 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -3195,6 +3195,8 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
 		if (wpa_debug_reopen_file() < 0)
 			reply_len = -1;
+	} else if (os_strcmp(buf, "CLOSE_LOG") == 0) {
+		wpa_debug_stop_log();
 	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
 		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
 	} else if (os_strcmp(buf, "STATUS") == 0) {
diff --git a/hostapd/hostapd_cli.c b/hostapd/hostapd_cli.c
index 6376b78bc7..b3799e9dbc 100644
--- a/hostapd/hostapd_cli.c
+++ b/hostapd/hostapd_cli.c
@@ -252,6 +252,13 @@ static int hostapd_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
 }
 
 
+static int hostapd_cli_cmd_close_log(struct wpa_ctrl *ctrl, int argc,
+				     char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "CLOSE_LOG");
+}
+
+
 static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
 {
 	if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
@@ -1572,6 +1579,8 @@ static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
 	  "= get MIB variables (dot1x, dot11, radius)" },
 	{ "relog", hostapd_cli_cmd_relog, NULL,
 	  "= reload/truncate debug log output file" },
+	{ "close_log", hostapd_cli_cmd_close_log, NULL,
+	  "= disable debug log output file" },
 	{ "status", hostapd_cli_cmd_status, NULL,
 	  "= show interface status info" },
 	{ "sta", hostapd_cli_cmd_sta, hostapd_complete_stations,
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
index a338a2039b..7f3dd185f1 100644
--- a/src/utils/wpa_debug.c
+++ b/src/utils/wpa_debug.c
@@ -596,13 +596,21 @@ int wpa_debug_open_file(const char *path)
 }
 
 
-void wpa_debug_close_file(void)
+void wpa_debug_stop_log(void)
 {
 #ifdef CONFIG_DEBUG_FILE
 	if (!out_file)
 		return;
 	fclose(out_file);
 	out_file = NULL;
+#endif /* CONFIG_DEBUG_FILE */
+}
+
+
+void wpa_debug_close_file(void)
+{
+#ifdef CONFIG_DEBUG_FILE
+	wpa_debug_stop_log();
 	os_free(last_path);
 	last_path = NULL;
 #endif /* CONFIG_DEBUG_FILE */
diff --git a/src/utils/wpa_debug.h b/src/utils/wpa_debug.h
index c6d5cc647f..4c02ad3c77 100644
--- a/src/utils/wpa_debug.h
+++ b/src/utils/wpa_debug.h
@@ -49,6 +49,7 @@ int wpa_debug_open_file(const char *path);
 int wpa_debug_reopen_file(void);
 void wpa_debug_close_file(void);
 void wpa_debug_setup_stdout(void);
+void wpa_debug_stop_log(void);
 
 /**
  * wpa_debug_printf_timestamp - Print timestamp for debug output
-- 
2.47.2