X-Git-Url: https://git.xinqibao.xyz/slock.git/blobdiff_plain/6a5512835485ac501d983161ca15b311a95c5649..8745098fa440ef3bf1d8e173dcd91514b34600c6:/slock.c?ds=inline

diff --git a/slock.c b/slock.c
index 506231e..399386b 100644
--- a/slock.c
+++ b/slock.c
@@ -67,15 +67,17 @@ getpw(void) { /* only run as root */
 
 	errno = 0;
 	pw = getpwuid(getuid());
-	if (errno)
-		die("slock: getpwuid: %s\n", strerror(errno));
-	else if (!pw)
-		die("slock: cannot retrieve password entry (make sure to suid or sgid slock)\n");
+	if (!pw) {
+		if (errno)
+			die("slock: getpwuid: %s\n", strerror(errno));
+		else
+			die("slock: cannot retrieve password entry (make sure to suid or sgid slock)\n");
+	}
 	endpwent();
 	rval =  pw->pw_passwd;
 
 #if HAVE_SHADOW_H
-	if (strlen(rval) >= 1) { /* kludge, assumes pw placeholder entry has len >= 1 */
+	if (rval[0] == 'x' && rval[1] == '\0') {
 		struct spwd *sp;
 		sp = getspnam(getenv("USER"));
 		if(!sp)
@@ -147,7 +149,7 @@ readpw(Display *dpy, const char *pws)
 					--len;
 				break;
 			default:
-				if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) { 
+				if(num && !iscntrl((int) buf[0]) && (len + num < sizeof passwd)) {
 					memcpy(passwd + len, buf, num);
 					len += num;
 				}