added secret-password patch for readme

README.md

@@ -10,6 +10,7 @@ The list below shows the currently applied patches to the master branch.
 - slock-capscolor-20220921-35633d4.diff (displays a separate color if caps is set)
 - slock-dwmlogo-20210324.diff (adds dwm logo on lock screen)
 - slock-git-20161012-control-clear.diff (doesnt turn logo red when pressing control keys)
+- slock-secret-password-1.4.diff (modified) (can give additional passwords that run commands)
 
 ## Installation
 

config.def.h

@@ -37,3 +37,18 @@ static XRectangle rectangles[12] = {
 
 /* allow control key to trigger fail on clear */
 static const int controlkeyclear = 1;
+
+/* struct for secret passwords and commands */
+struct secretpass {
+  char const *pass;
+  char const *command;
+};
+
+/* list of secret passwords and their commands */
+static const struct secretpass scom[1] = {
+/*	 Password				command */
+  {"shutdown",           "sudo shutdown -h now"},
+};
+
+/* length of entries in scom */
+static const int entrylen = 1;

slock-secret-password-1.4.diff

@@ -0,0 +1,33 @@
+diff --git a/config.def.h b/config.def.h
+index 9855e21..989ca08 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -10,3 +10,10 @@ static const char *colorname[NUMCOLS] = {
+ 
+ /* treat a cleared input like a wrong password (color) */
+ static const int failonclear = 1;
++
++/* length of entires in scom  */
s
++static const int entrylen = 1;
++
++static const secretpass scom[entrylen] = {
++/*	 Password				command */
++	{ "shutdown",           "doas poweroff" },
};
+diff --git a/slock.c b/slock.c
+index d2f0886..6a96a2d 100644
+--- a/slock.c
++++ b/slock.c
+@@ -160,6 +160,13 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
+ 			case XK_Return:
+ 				passwd[len] = '\0';
+ 				errno = 0;
++
++				for (int i = 0; i < entrylen; i++){
++					if (strcmp(scom[i].pass, passwd) == 0){
++						system(scom[i].command);
++					}
++				}
++
+ 				if (!(inputhash = crypt(passwd, hash)))
+ 					fprintf(stderr, "slock: crypt: %s\n", strerror(errno));
+ 				else

slock.c

@@ -202,6 +202,12 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
 			case XK_Return:
 				passwd[len] = '\0';
 				errno = 0;
+				for (int i = 0; i < entrylen; i++){
+				    if (strcmp(scom[i].pass, passwd) == 0){
+				    	system(scom[i].command);
+				    }
+                                }
+
 				if (!(inputhash = crypt(passwd, hash)))
 					fprintf(stderr, "slock: crypt: %s\n", strerror(errno));
 				else