secure/usr.sbin/sshd/auth-passwd-freebsd.c

   1 /*
   2  * $DragonFly: src/secure/usr.sbin/sshd/auth-passwd-freebsd.c,v 1.2 2006/09/28 18:42:50 corecode Exp $
   3  */
   4
   5 #include <unistd.h>
   6
   7 #include "buffer.h"
   8 #include "key.h"
   9 #include "hostfile.h"
  10 #include "auth.h"
  11
  12 int
  13 sys_auth_passwd(Authctxt *authctxt, const char *password)
  14 {
  15         struct passwd *pw = authctxt->pw;
  16         char *encrypted_password;
  17         char *pw_password = pw->pw_passwd;
  18
  19         /* Check for users with no password. */
  20         if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
  21                 return (1);
  22
  23         /* Encrypt the candidate password using the proper salt. */
  24         encrypted_password = crypt(password,
  25             (pw_password[0] && pw_password[1]) ? pw_password : "xx");
  26
  27         /*
  28          * Authentication is accepted if the encrypted passwords
  29          * are identical.
  30          */
  31         return (strcmp(encrypted_password, pw_password) == 0);
  32 }