From 54afcfbfb4e0e972455b870887151cb04d29c9c7 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Mon, 20 Jul 2009 14:37:51 +0000
Subject: [PATCH] Display the number of failed password attempts (if any) when
 the server is locked. From Tom Doherty.

---
 server-fn.c |  4 +++-
 server.c    | 12 ++++++++++++
 tmux.c      |  1 +
 tmux.h      |  1 +
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/server-fn.c b/server-fn.c
index 3080bed4..409f65bc 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -213,9 +213,11 @@ server_unlock(const char *s)
 	}
 
 	server_locked = 0;
+	password_failures = 0;
 	return (0);
 
 wrong:
+	password_failures++;
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		c = ARRAY_ITEM(&clients, i);
                 if (c == NULL || c->prompt_buffer == NULL)
@@ -223,7 +225,7 @@ wrong:
 
 		*c->prompt_buffer = '\0';
 		c->prompt_index = 0;
-  		server_status_client(c);
+  		server_redraw_client(c);
 	}
 
 	return (-1);
diff --git a/server.c b/server.c
index 250f3187..7207ae94 100644
--- a/server.c
+++ b/server.c
@@ -579,6 +579,7 @@ server_redraw_locked(struct client *c)
 {
 	struct screen_write_ctx	ctx;
 	struct screen		screen;
+	struct grid_cell	gc;
 	u_int			colour, xx, yy, i;
 	int    			style;
 
@@ -589,10 +590,21 @@ server_redraw_locked(struct client *c)
 	colour = options_get_number(&global_w_options, "clock-mode-colour");
 	style = options_get_number(&global_w_options, "clock-mode-style");
 
+	memcpy(&gc, &grid_default_cell, sizeof gc);
+	gc.fg = colour;
+	gc.attr |= GRID_ATTR_BRIGHT;
+
 	screen_init(&screen, xx, yy, 0);
 
 	screen_write_start(&ctx, NULL, &screen);
 	clock_draw(&ctx, colour, style);
+
+	if (password_failures != 0) {
+		screen_write_cursormove(&ctx, 0, 0);
+		screen_write_puts(
+		    &ctx, &gc, "%u failed attempts", password_failures);
+	}
+
 	screen_write_stop(&ctx);
 
 	for (i = 0; i < screen_size_y(&screen); i++)
diff --git a/tmux.c b/tmux.c
index d8499202..9ca1783f 100644
--- a/tmux.c
+++ b/tmux.c
@@ -46,6 +46,7 @@ struct options	 global_s_options;	/* session options */
 struct options	 global_w_options;	/* window options */
 
 int		 server_locked;
+u_int		 password_failures;
 char		*server_password;
 time_t		 server_activity;
 
diff --git a/tmux.h b/tmux.h
index 22621c4c..37162f77 100644
--- a/tmux.h
+++ b/tmux.h
@@ -998,6 +998,7 @@ extern struct options global_s_options;
 extern struct options global_w_options;
 extern char	*cfg_file;
 extern int	 server_locked;
+extern u_int	 password_failures;
 extern char	*server_password;
 extern time_t	 server_activity;
 extern int	 debug_level;