Beispiel #1
0
/*
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;
}
Beispiel #2
0
/*
 * 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);
}