diff options
-rw-r--r-- | slock.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -50,9 +50,9 @@ getpw(void) { /* only run as root */ const char *rval; struct passwd *pw; - if(geteuid() != 0) - die("cannot retrieve password entry (make sure to suid slock)"); pw = getpwuid(getuid()); + if(!pw) + die("cannot retrieve password entry (make sure to suid or sgid slock)"); endpwent(); rval = pw->pw_passwd; @@ -60,6 +60,8 @@ getpw(void) { /* only run as root */ { struct spwd *sp; sp = getspnam(getenv("USER")); + if(!sp) + die("slock: cannot retrieve shadow entry (make sure to suid or sgid slock)\n"); endspent(); rval = sp->sp_pwdp; } |