patching password

dmenu-password-4.9.diff

@@ -0,0 +1,88 @@
+diff -up dmenu-4.9/dmenu.1 dmenu-4.9-orig/dmenu.1
+--- dmenu-4.9/dmenu.1	2019-09-25 12:55:42.666319316 -0600
++++ dmenu-4.9-orig/dmenu.1	2019-09-25 12:48:38.848249931 -0600
+@@ -3,7 +3,7 @@
+ dmenu \- dynamic menu
+ .SH SYNOPSIS
+ .B dmenu
++.RB [ \-bfivP ]
+-.RB [ \-bfiv ]
+ .RB [ \-l
+ .IR lines ]
+ .RB [ \-m
+@@ -47,9 +47,6 @@ is faster, but will lock up X until stdi
+ .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 -up dmenu-4.9/dmenu.c dmenu-4.9-orig/dmenu.c
+--- dmenu-4.9/dmenu.c	2019-09-25 12:48:55.756173240 -0600
++++ dmenu-4.9-orig/dmenu.c	2019-09-25 12:48:38.848249931 -0600
+@@ -37,7 +37,7 @@ struct item {
+ static char text[BUFSIZ] = "";
+ static char *embed;
+ static int bh, mw, mh;
++static int inputw = 0, promptw, passwd = 0;
+-static int inputw = 0, promptw;
+ static int lrpad; /* sum of left and right padding */
+ static size_t cursor;
+ static struct item *items = NULL;
+@@ -132,7 +132,6 @@ 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);
+@@ -144,12 +143,7 @@ drawmenu(void)
+ 	/* draw input field */
+ 	w = (lines > 0 || !matches) ? mw - x : inputw;
+ 	drw_setscheme(drw, scheme[SchemeNorm]);
++	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);
+-	drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
+
+ 	curpos = TEXTW(text) - TEXTW(&text[cursor]);
+ 	if ((curpos += lrpad / 2 - 1) < w) {
+@@ -531,11 +525,6 @@ readstdin(void)
+ 	size_t i, imax = 0, size = 0;
+ 	unsigned int tmpmax = 0;
+
++  if(passwd){
++    inputw = lines = 0;
++    return;
++  }
++
+ 	/* read each line from stdin and add it to the item list */
+ 	for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
+ 		if (i + 1 >= size / sizeof *items)
+@@ -693,7 +682,7 @@ setup(void)
+ static void
+ usage(void)
+ {
++	fputs("usage: dmenu [-bfiPv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+-	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+ 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
+ 	exit(1);
+ }
+@@ -716,9 +705,7 @@ main(int argc, char *argv[])
+ 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+ 			fstrncmp = strncasecmp;
+ 			fstrstr = cistrstr;
++		} else if (!strcmp(argv[i], "-P"))   /* is the input a password */
++		        passwd = 1;
++		else if (i + 1 == argc)
+-		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */
+ 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */

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

dmenu.1.rej

@@ -0,0 +1,21 @@
+--- dmenu.1	2019-09-25 12:55:42.666319316 -0600
++++ dmenu.1	2019-09-25 12:48:38.848249931 -0600
+@@ -3,7 +3,7 @@
+ dmenu \- dynamic menu
+ .SH SYNOPSIS
+ .B dmenu
+-.RB [ \-bfivP ]
++.RB [ \-bfiv ]
+ .RB [ \-l
+ .IR lines ]
+ .RB [ \-m
+@@ -47,9 +47,6 @@ is faster, but will lock up X until stdi
+ .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

dmenu.c

@@ -37,7 +37,7 @@ 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;
@@ -132,6 +132,7 @@ 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);
@@ -143,7 +144,12 @@ 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) {
@@ -525,6 +531,11 @@ readstdin(void)
 	size_t i, imax = 0, size = 0;
 	unsigned int tmpmax = 0;
 
+  if(passwd){
+    inputw = lines = 0;
+    return;
+  }
+
 	/* read each line from stdin and add it to the item list */
 	for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
 		if (i + 1 >= size / sizeof *items)
@@ -689,7 +700,7 @@ setup(void)
 static void
 usage(void)
 {
-	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	fputs("usage: dmenu [-bfiPv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
 	exit(1);
 }
@@ -712,7 +723,9 @@ 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 */