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 <string.h>
   6 #include <unistd.h>
   7
   8 #include "buffer.h"
   9 #include "key.h"
  10 #include "hostfile.h"
  11 #include "auth.h"
  12
  13 int
  14 sys_auth_passwd(Authctxt *authctxt, const char *password)
  15 {
  16         struct passwd *pw = authctxt->pw;
  17         char *encrypted_password;
  18         char *pw_password = pw->pw_passwd;
  19
  20         /* Check for users with no password. */
  21         if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
  22                 return (1);
  23
  24         /* Encrypt the candidate password using the proper salt. */
  25         encrypted_password = crypt(password,
  26             (pw_password[0] && pw_password[1]) ? pw_password : "xx");
  27
  28         /*
  29          * Authentication is accepted if the encrypted passwords
  30          * are identical.
  31          */
  32         return (strcmp(encrypted_password, pw_password) == 0);
  33 }