efcode/fcdriver/ioctl.c

	ioctl.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 2000 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <fcntl.h>
#include <stdarg.h>
#include <errno.h>

#include <fcode/private.h>
#include <fcode/log.h>

#include <fcdriver/fcdriver.h>

#define FCC_MAX_CELLS   10

int
fc_run_priv(common_data_t *cdp, char *service, int nin, int nout, ...)
{
    va_list ap;
    int i, error, no_err;
    fc_cell_t fc_req[FCC_FIXED_CELLS+FCC_MAX_CELLS];
    struct fc_client_interface *cip = (struct fc_client_interface *)fc_req;
    fc_cell_t *fcp;
    char *error_msg;

    no_err = nin & FCRP_NOERROR;
    nin &= ~FCRP_NOERROR;

    bzero(fc_req, sizeof (fc_req));
    if (nin + nout > FCC_MAX_CELLS) {
        log_message(MSG_ERROR, "%s: too many ins (%d) and outs (%d)\n",
            service, nin, nout);
        nin = min(nin, FCC_MAX_CELLS);
        nout = FCC_MAX_CELLS - nin;
    }
    va_start(ap, nout);
    cip->svc_name = fc_ptr2cell(service);
    cip->nargs = fc_int2cell(nin);
    cip->nresults = fc_int2cell(nout);
    for (i = 0; i < nin; i++)
        fc_arg(cip, i) = va_arg(ap, fc_cell_t);
    error = ioctl(cdp->fcode_fd, FC_RUN_PRIV, cip);
    for (i = 0; i < nout; i++) {
        fcp = va_arg(ap, fc_cell_t *);
        *fcp = fc_result(cip, i);
    }
    va_end(ap);

    if (error)
        error_msg = strerror(errno);
    else if (cip->priv_error) {
        error_msg = "Priv violation";
        error = 1;
    } else if (cip->error) {
        error_msg = "Error";
        error = 1;
    }
    if ((error & !no_err) ||
        (get_interpreter_debug_level() & DEBUG_REG_ACCESS)) {
        if (error)
            log_message(MSG_ERROR, "%s: FC_RUN_PRIV: %s: ",
                cdp->Progname, error_msg);
        log_message(MSG_ERROR, "%s ( ", service);
        for (i = 0; i < nin; i++)
            log_message(MSG_ERROR, "%llx ",
                (uint64_t)fc_arg(cip, i));
        log_message(MSG_ERROR, ")");
        if (error)
            ;
        else if (nout) {
            log_message(MSG_ERROR, " ->");
            for (i = 0; i < nout; i++)
                log_message(MSG_ERROR, " %llx",
                    (uint64_t)fc_result(cip, i));
        } else
            log_message(MSG_ERROR, " OK");
        log_message(MSG_ERROR, "\n");
    }
    return (error);
}