[hackers] [slock] error out early on crypt() fail || Markus Teich

[git]

commit a98fba8971ab4b8d8b1f18422b808a79434d8923
Author:     Markus Teich <markus.te...@stusta.mhn.de>
AuthorDate: Fri Sep 23 19:08:39 2016 +0200
Commit:     Markus Teich <markus.te...@stusta.mhn.de>
CommitDate: Fri Sep 23 19:08:39 2016 +0200

    error out early on crypt() fail

diff --git a/slock.c b/slock.c
index 6dedc69..2d57e81 100644
--- a/slock.c
+++ b/slock.c
@@ -321,8 +321,9 @@ main(int argc, char **argv) {
 #endif
 
        hash = gethash();
-       if (strlen(hash) < 2)
-               die("slock: failed to get user password hash.\n");
+       errno = 0;
+       if (!crypt("", hash))
+               die("slock: crypt: %s\n", strerror(errno));
 
        if (!(dpy = XOpenDisplay(NULL)))
                die("slock: cannot open display\n");