libexec/ftpd/skey-stuff.c

   1 /* Author: Wietse Venema, Eindhoven University of Technology.
   2  *
   3  * $FreeBSD: src/libexec/ftpd/skey-stuff.c,v 1.12 1999/08/28 00:09:32 peter Exp $
   4  * $DragonFly: src/libexec/ftpd/skey-stuff.c,v 1.2 2003/06/17 04:27:07 dillon Exp $
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include <pwd.h>
  10
  11 #include <skey.h>
  12
  13 /* skey_challenge - additional password prompt stuff */
  14
  15 char   *skey_challenge(name, pwd, pwok)
  16 char   *name;
  17 struct passwd *pwd;
  18 int    pwok;
  19 {
  20     static char buf[128];
  21     struct skey skey;
  22
  23     /* Display s/key challenge where appropriate. */
  24
  25     *buf = '\0';
  26     if (pwd == NULL || skeychallenge(&skey, pwd->pw_name, buf))
  27         snprintf(buf, sizeof(buf), "Password required for %s.", name);
  28     else if (!pwok)
  29         strcat(buf, " (s/key required)");
  30     return (buf);
  31 }