diff --git a/config.h b/config.h
new file mode 100644
index 0000000..7138df7
--- /dev/null
+++ b/config.h
@@ -0,0 +1,23 @@
+/* See LICENSE file for copyright and license details. */
+/* Default settings; can be overriden by command line. */
+
+static int topbar = 1;                      /* -b  option; if 0, dmenu appears at bottom     */
+/* -fn option overrides fonts[0]; default X11 font or font set */
+static const char *fonts[] = {
+	"Mononoki Nerd Font:size=16"
+};
+static const char *prompt      = NULL;      /* -p  option; prompt to the left of input field */
+static const char *colors[SchemeLast][2] = {
+	/*     fg         bg       */
+	[SchemeNorm] = { "#bbbbbb", "#222222" },
+	[SchemeSel] = { "#eeeeee", "#318d56" },
+	[SchemeOut] = { "#000000", "#00ffff" },
+};
+/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
+static unsigned int lines      = 0;
+
+/*
+ * Characters not considered part of a word while deleting words
+ * for example: " /?\"&[]"
+ */
+static const char worddelimiters[] = " ";
diff --git a/dmenu.1 b/dmenu.1
index 323f93c..762f707 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bfiv ]
+.RB [ \-bfivP ]
 .RB [ \-l
 .IR lines ]
 .RB [ \-m
@@ -47,6 +47,9 @@ is faster, but will lock up X until stdin reaches end\-of\-file.
 .B \-i
 dmenu matches menu items case insensitively.
 .TP
+.B \-P
+dmenu will not directly display the keyboard input, but instead replace it with dots. All data from stdin will be ignored.
+.TP
 .BI \-l " lines"
 dmenu lists items vertically, with the given number of lines.
 .TP
diff --git a/dmenu.c b/dmenu.c
index 40f93e0..164a853 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -36,7 +36,7 @@ struct item {
 static char text[BUFSIZ] = "";
 static char *embed;
 static int bh, mw, mh;
-static int inputw = 0, promptw;
+static int inputw = 0, promptw, passwd = 0;
 static int lrpad; /* sum of left and right padding */
 static size_t cursor;
 static struct item *items = NULL;
@@ -148,6 +148,7 @@ drawmenu(void)
 	unsigned int curpos;
 	struct item *item;
 	int x = 0, y = 0, w;
+	char *censort;
 
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	drw_rect(drw, 0, 0, mw, mh, 1, 1);
@@ -159,7 +160,12 @@ drawmenu(void)
 	/* draw input field */
 	w = (lines > 0 || !matches) ? mw - x : inputw;
 	drw_setscheme(drw, scheme[SchemeNorm]);
-	drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
+	if (passwd) {
+	        censort = ecalloc(1, sizeof(text));
+		memset(censort, '.', strlen(text));
+		drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0);
+		free(censort);
+	} else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 
 	curpos = TEXTW(text) - TEXTW(&text[cursor]);
 	if ((curpos += lrpad / 2 - 1) < w) {
@@ -552,6 +558,11 @@ readstdin(void)
 	size_t i, itemsiz = 0, linesiz = 0;
 	ssize_t len;
 
+	if(passwd){
+		inputw = lines = 0;
+		return;
+	}
+
 	/* read each line from stdin and add it to the item list */
 	for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) {
 		if (i + 1 >= itemsiz) {
@@ -715,7 +726,7 @@ setup(void)
 static void
 usage(void)
 {
-	die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	die("usage: dmenu [-bfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 }
 
@@ -737,7 +748,9 @@ main(int argc, char *argv[])
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;
-		} else if (i + 1 == argc)
+		} else if (!strcmp(argv[i], "-P"))   /* is the input a password */
+			passwd = 1;
+		else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
diff --git a/dmenu.o b/dmenu.o
new file mode 100644
index 0000000..b69321b
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diff --git a/dmenu_path b/dmenu_path
deleted file mode 100755
index 3a7cda7..0000000
--- a/dmenu_path
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-
-cachedir="${XDG_CACHE_HOME:-"$HOME/.cache"}"
-cache="$cachedir/dmenu_run"
-
-[ ! -e "$cachedir" ] && mkdir -p "$cachedir"
-
-IFS=:
-if stest -dqr -n "$cache" $PATH; then
-	stest -flx $PATH | sort -u | tee "$cache"
-else
-	cat "$cache"
-fi
diff --git a/dmenu_run b/dmenu_run
deleted file mode 100755
index 834ede5..0000000
--- a/dmenu_run
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/sh
-dmenu_path | dmenu "$@" | ${SHELL:-"/bin/sh"} &
diff --git a/drw.o b/drw.o
new file mode 100644
index 0000000..b09b453
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diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..b70b9c8
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,15 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = [
+    pkgs.gnumake
+    pkgs.gcc
+    pkgs.pkg-config
+    pkgs.xorg.libX11
+    pkgs.xorg.libXft
+    pkgs.xorg.libXinerama
+    pkgs.xorg.libXext
+    pkgs.fontconfig
+    pkgs.freetype
+  ];
+}
diff --git a/stest b/stest
new file mode 100755
index 0000000..0e4ccb5
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diff --git a/stest.o b/stest.o
new file mode 100644
index 0000000..27f2c5e
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diff --git a/util.o b/util.o
new file mode 100644
index 0000000..4b569ab
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