/*
vals_to_stream
recieves : kadm_vals *, u_char *
returns : a realloced and filled in u_char *
this function creates a byte-stream representation of the kadm_vals structure
*/
int
vals_to_stream(Kadm_vals *dt_in, u_char **dt_out)
{
int vsloop, stsize; /* loop counter, stream size */
stsize = build_field_header(dt_in->fields, dt_out);
for (vsloop = 31; vsloop >= 0; vsloop--)
if (IS_FIELD(vsloop, dt_in->fields)) {
switch (vsloop) {
case KADM_NAME:
stsize += vts_string(dt_in->name, dt_out, stsize);
break;
case KADM_INST:
stsize += vts_string(dt_in->instance, dt_out, stsize);
break;
case KADM_EXPDATE:
stsize += vts_long((KRB_UINT32)dt_in->exp_date,
dt_out, stsize);
break;
case KADM_ATTR:
stsize += vts_short(dt_in->attributes, dt_out, stsize);
break;
case KADM_MAXLIFE:
stsize += vts_char(dt_in->max_life, dt_out, stsize);
break;
case KADM_DESKEY:
stsize += vts_long(dt_in->key_high, dt_out, stsize);
stsize += vts_long(dt_in->key_low, dt_out, stsize);
break;
default:
break;
}
}
return stsize;
}
/*
* kadm_change_pw2
* recieves : key, pw_string, ret_string
*
* Replaces the password (i.e. des key) of the caller with that specified in
* key. Returns no actual data from the master server, since this is called
* by a user
*/
long kadm_change_pw2(des_cblock newkey, char *pwstring, u_char **retstring)
{
/* The DES form of the users key */
int stsize;
long retc; /* stream size and return code */
u_char *send_st; /* send stream */
u_char *ret_st;
int ret_sz;
u_long keytmp;
if ((retc = kadm_cli_conn()) != KADM_SUCCESS)
return(retc);
/* possible problem with vts_long on a non-multiple of four boundary */
stsize = 0; /* start of our output packet */
send_st = (u_char *) malloc(1);/* to make it reallocable */
send_st[stsize++] = (u_char) CHANGE_PW;
/* change key to stream */
bcopy((char *) (((long *) newkey) + 1), (char *) &keytmp, 4);
keytmp = htonl(keytmp);
stsize += vts_long(keytmp, &send_st, stsize);
bcopy((char *) newkey, (char *) &keytmp, 4);
keytmp = htonl(keytmp);
stsize += vts_long(keytmp, &send_st, stsize);
if (pwstring) {
stsize += vts_string(pwstring, &send_st, stsize);
}
ret_sz = 0;
retc = kadm_cli_send(send_st, stsize, &ret_st, &ret_sz);
free((char *)send_st);
if (ret_sz)
*retstring = ret_st;
else {
*retstring = 0;
free(ret_st);
}
kadm_cli_disconn();
return(retc);
}