/*      $NetBSD: iscsic_daemonif.c,v 1.3 2015/05/30 15:57:32 joerg Exp $        */

/*-
 * Copyright (c) 2005,2006,2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include "iscsic_globals.h"

/*
 * do_add_target:
 *    Handle both the add_target and add_send_target commands.
 *
 *    Parameter:
 *          argc, argv  Shifted arguments
 *          kind        Which list
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

STATIC int
do_add_target(int argc, char **argv, iscsid_list_kind_t kind)
{
        iscsid_add_target_req_t *targ;
        iscsid_set_target_authentication_req_t auth;
        iscsid_get_set_target_options_t opt;
        iscsid_response_t *rsp;
        iscsid_add_target_rsp_t *res;
        unsigned                i;
        int opts, auths, tlen;
        uint32_t tid;

        tlen = cl_get_target(&targ, argc, argv, kind != SEND_TARGETS_LIST);
        if (tlen == 0) {
                arg_missing("Target");
        }
        if (kind == SEND_TARGETS_LIST && !targ->num_portals) {
                arg_missing("Target Address");
        }
        opts = cl_get_target_opts(&opt, argc, argv);
        auths = cl_get_auth_opts(&auth, argc, argv);
        cl_get_symname(targ->sym_name, argc, argv);
        check_extra_args(argc, argv);

        targ->list_kind = kind;

        send_request(ISCSID_ADD_TARGET, tlen, targ);
        rsp = get_response(FALSE);

        if (rsp->status) {
                status_error(rsp->status);
        }
        res = (iscsid_add_target_rsp_t *)(void *)rsp->parameter;
        tid = res->target_id;

        if (kind == SEND_TARGETS_LIST) {
                printf("Added Send Target %d\n", res->target_id);
        } else {
                printf("Added Target %d", res->target_id);
                if (res->num_portals) {
                        printf(", Portal ");
                        for (i = 0; i < res->num_portals; i++)
                                printf("%d ", res->portal_id[i]);
                }
                printf("\n");
        }

        free_response(rsp);

        if (opts) {
                opt.list_kind = kind;
                opt.target_id.id = tid;
                send_request(ISCSID_SET_TARGET_OPTIONS, sizeof(opt), &opt);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error(rsp->status);
                }
                free_response(rsp);
        }

        if (auths) {
                auth.list_kind = kind;
                auth.target_id.id = tid;
                send_request(ISCSID_SET_TARGET_AUTHENTICATION, sizeof(auth), &auth);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error(rsp->status);
                }
                free_response(rsp);
        }

        return 0;
}


/*
 * do_remove_target:
 *    Handle both the remove_target and remove_send_target commands.
 *
 *    Parameter:
 *          argc, argv  Shifted arguments
 *          kind        Which list
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

STATIC int
do_remove_target(int argc, char **argv, iscsid_list_kind_t kind)
{
        iscsid_list_id_t req;
        iscsid_search_list_req_t srch;
        iscsid_response_t *rsp;

        if (!cl_get_id('I', &req.id, argc, argv)) {
                if (!cl_get_string('n', (char *)srch.strval, argc, argv)) {
                        arg_missing("Target ID or Name");
                }
                check_extra_args(argc, argv);

                srch.search_kind = FIND_TARGET_NAME;
                srch.list_kind = kind;

                send_request(ISCSID_SEARCH_LIST, sizeof(srch), &srch);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error_slist(rsp->status);
                }
                GET_SYM_ID(req.id.id, rsp->parameter);
                free_response(rsp);
        } else {
                check_extra_args(argc, argv);
        }
        req.list_kind = kind;
        send_request(ISCSID_REMOVE_TARGET, sizeof(req), &req);
        rsp = get_response(TRUE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);
        printf("OK\n");
        return 0;
}


/*
 * do_refresh:
 *    Handle the refresh_targets and refresh_isns commands.
 *
 *    Parameter:
 *          argc, argv  Shifted arguments
 *          kind        Which list
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

STATIC int
do_refresh(int argc, char **argv, iscsid_list_kind_t kind)
{
        iscsid_sym_id_t id;
        iscsid_response_t *rsp;
        iscsid_refresh_req_t req;

        req.kind = kind;

        if (cl_get_id('I', &id, argc, argv)) {
                check_extra_args(argc, argv);

                if (!id.id) {
                        iscsid_search_list_req_t srch;

                        srch.search_kind = FIND_NAME;
                        srch.list_kind = kind;
                        strlcpy((char *)srch.strval, (char *)id.name,
                                sizeof(srch.strval));

                        send_request(ISCSID_SEARCH_LIST, sizeof(srch), &srch);
                        rsp = get_response(FALSE);
                        if (rsp->status) {
                                status_error_slist(rsp->status);
                        }
                        GET_SYM_ID(req.id[0], rsp->parameter);
                        free_response(rsp);
                } else {
                        req.id[0] = id.id;
                }
                req.num_ids = 1;
        } else {
                req.num_ids = 0;
                check_extra_args(argc, argv);
        }

        req.kind = kind;
        send_request(ISCSID_REFRESH_TARGETS, sizeof(req), &req);

        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        printf("OK\n");
        free_response(rsp);
        return 0;
}


/*
 * add_target:
 *    Handle the add_target command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
add_target(int argc, char **argv)
{
        return do_add_target(argc, argv, TARGET_LIST);
}


/*
 * remove_target:
 *    Handle the remove_target command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
remove_target(int argc, char **argv)
{
        return do_remove_target(argc, argv, TARGET_LIST);
}


/*
 * slp_find_targets:
 *    Handle the slp_find_targets command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 *
 *    ToDo: Implement.
 */

int
/*ARGSUSED*/
slp_find_targets(int argc, char **argv)
{
        printf("Not implemented\n");
        return 5;
}


/*
 * refresh_targets:
 *    Handle the refresh_targets command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
refresh_targets(int argc, char **argv)
{
        return do_refresh(argc, argv, SEND_TARGETS_LIST);
}


/*
 * add_portal:
 *    Handle the add_portal command.
 *
 *    Parameter:
 *          argc, argv  Shifted arguments
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
add_portal(int argc, char **argv)
{
        iscsid_add_portal_req_t port;
        iscsid_response_t *rsp;
        iscsid_add_portal_rsp_t *res;

        if (!cl_get_portal(&port, argc, argv)) {
                arg_missing("Portal Address");
        }
        if (!cl_get_id('I', &port.target_id, argc, argv)) {
                arg_missing("Target ID");
        }
        cl_get_symname(port.sym_name, argc, argv);
        check_extra_args(argc, argv);

        send_request(ISCSID_ADD_PORTAL, sizeof(port), &port);
        rsp = get_response(FALSE);

        if (rsp->status) {
                status_error(rsp->status);
        }
        res = (iscsid_add_portal_rsp_t *)(void *)rsp->parameter;

        printf("Added Portal %d to Target %d\n",
                res->portal_id.id, res->target_id.id);
        free_response(rsp);
        return 0;
}


/*
 * show_target:
 *    Get information about and display a target entry (including its portals).
 *
 *    Parameter:
 *       target ID
 *       list kind
 */

STATIC void
show_target(uint32_t id, iscsid_list_kind_t kind)
{
        iscsid_list_id_t req;
        iscsid_response_t *trsp, *prsp;
        iscsid_get_target_rsp_t *targ;
        iscsid_get_portal_rsp_t *port;
        unsigned i;

        /* get target info */
        req.list_kind = kind;
        req.id.id = id;
        req.id.name[0] = '\0';
        send_request(ISCSID_GET_TARGET_INFO, sizeof(req), &req);

        trsp = get_response(TRUE);
        if (trsp->status) {
                status_error(trsp->status);
        }
        targ = (iscsid_get_target_rsp_t *)(void *)trsp->parameter;

        /* display basic target info */
        printf("%6d", targ->target_id.id);
        if (targ->target_id.name[0]) {
                printf(" [%s]", targ->target_id.name);
        }
        printf(": %s", targ->TargetName);
        if (targ->TargetAlias[0]) {
                printf(" (%s)", targ->TargetAlias);
        }
        printf("\n");

        /* now get and display info on the target's portals */
        for (i = 0; i < targ->num_portals; i++) {
                req.id.id = targ->portal[i];
                send_request(ISCSID_GET_PORTAL_INFO, sizeof(req), &req);
                prsp = get_response(FALSE);
                if (prsp->status) {
                        status_error(prsp->status);
                }
                port = (iscsid_get_portal_rsp_t *)(void *)prsp->parameter;

                printf("   %6d", port->portal_id.id);
                if (port->portal_id.name[0]) {
                        printf(" [%s]", port->portal_id.name);
                }
                printf(": %s:%d", port->portal.address, port->portal.port);
                if (kind != SEND_TARGETS_LIST) {
                        printf(",%d", port->portal.group_tag);
                }
                printf("\n");
                free_response(prsp);
        }
        free_response(trsp);
}


/*
 * do_list_targets:
 *    Handle both the list_targets and list_send_targets commands.
 *
 *    Parameter:
 *          argc, argv  Shifted arguments
 *          kind        Which list
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

STATIC int
do_list_targets(int argc, char **argv, iscsid_list_kind_t kind)
{
        iscsid_get_list_req_t lst;
        iscsid_response_t *rsp;
        iscsid_get_list_rsp_t *list;
        unsigned i;

        check_extra_args(argc, argv);

        /* get the list of targets */
        lst.list_kind = kind;
        send_request(ISCSID_GET_LIST, sizeof(lst), &lst);
        rsp = get_response(TRUE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        list = (iscsid_get_list_rsp_t *)(void *)rsp->parameter;

        /* display all targets */
        for (i = 0; i < list->num_entries; i++) {
                show_target(list->id[i], kind);
        }
        free_response(rsp);
        return 0;
}


/*
 * list_targets:
 *    Handle the list_targets command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
list_targets(int argc, char **argv)
{
        return do_list_targets(argc, argv, TARGET_LIST);
}


/*
 * add_send_target:
 *    Handle the add_target command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
add_send_target(int argc, char **argv)
{
        return do_add_target(argc, argv, SEND_TARGETS_LIST);
}


/*
 * remove_send_target:
 *    Handle the remove_target command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
remove_send_target(int argc, char **argv)
{
        return do_remove_target(argc, argv, SEND_TARGETS_LIST);
}


/*
 * list_send_targets:
 *    Handle the list_send_targets command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
list_send_targets(int argc, char **argv)
{
        return do_list_targets(argc, argv, SEND_TARGETS_LIST);
}


/*
 * add_isns_server:
 *    Handle the add_isns_server command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
add_isns_server(int argc, char **argv)
{
        iscsid_add_isns_server_req_t arg;
        iscsid_add_isns_server_rsp_t *res;
        iscsid_response_t *rsp;

        memset(&arg, 0x0, sizeof(arg));
        if (!(cl_get_isns(&arg, argc, argv))) {
                arg_missing("Server Address");
        }
        check_extra_args(argc, argv);

        send_request(ISCSID_ADD_ISNS_SERVER, sizeof(arg), &arg);
        rsp = get_response(FALSE);

        if (rsp->status) {
                status_error(rsp->status);
        }
        res = (iscsid_add_isns_server_rsp_t *)(void *)rsp->parameter;

        printf("Added iSNS Server ID %d\n", res->server_id);

        free_response(rsp);
        return 0;
}


/*
 * remove_isns_server:
 *    Handle the add_isns_server command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
remove_isns_server(int argc, char **argv)
{
        iscsid_sym_id_t req;
        iscsid_search_list_req_t srch;
        iscsid_response_t *rsp;

        if (!cl_get_id('I', &req, argc, argv)) {
                if (!cl_get_string('a', (char *)srch.strval, argc, argv)) {
                        arg_missing("Server Address");
                }
                check_extra_args(argc, argv);
                srch.search_kind = FIND_ADDRESS;
                srch.list_kind = ISNS_LIST;

                send_request(ISCSID_SEARCH_LIST, sizeof(srch), &srch);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error_slist(rsp->status);
                }
                GET_SYM_ID(req.id, rsp->parameter);
                free_response(rsp);
        } else {
                check_extra_args(argc, argv);
        }
        send_request(ISCSID_REMOVE_ISNS_SERVER, sizeof(req), &req);
        rsp = get_response(TRUE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);

        printf("OK\n");
        return 0;
}


/*
 * find_isns_servers:
 *    Handle the find_isns_servers command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
/*ARGSUSED*/
find_isns_servers(int argc, char **argv)
{
        printf("Not implemented\n");
        return 5;
}


/*
 * list_isns_servers:
 *    Handle the list_isns_servers command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
list_isns_servers(int argc, char **argv)
{
        iscsid_get_list_req_t lst;
        iscsid_response_t *rsp, *prsp;
        iscsid_get_list_rsp_t *list;
        iscsid_get_isns_server_rsp_t *isns;
        iscsid_sym_id_t req;
        unsigned i;

        memset(&req, 0x0, sizeof(req));
        check_extra_args(argc, argv);

        /* get the list of servers */
        lst.list_kind = ISNS_LIST;
        send_request(ISCSID_GET_LIST, sizeof(lst), &lst);
        rsp = get_response(TRUE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        list = (iscsid_get_list_rsp_t *)(void *)rsp->parameter;

        /* display all servers */
        for (i = 0; i < list->num_entries; i++) {
                req.id = list->id[i];
                send_request(ISCSID_GET_ISNS_SERVER, sizeof(req), &req);
                prsp = get_response(FALSE);
                if (prsp->status)
                        status_error(prsp->status);

                isns = (iscsid_get_isns_server_rsp_t *)(void *)prsp->parameter;
                printf("%6d: %s\n", list->id[i], isns->address);
                free_response(prsp);
        }
        free_response(rsp);
        return 0;
}


/*
 * refresh_isns:
 *    Handle the refresh_isns command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
refresh_isns(int argc, char **argv)
{
        return do_refresh(argc, argv, ISNS_LIST);
}


/*
 * add_initiator:
 *    Handle the add_initiator command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
add_initiator(int argc, char **argv)
{
        iscsid_add_initiator_req_t req;
        iscsid_add_initiator_rsp_t *res;
        iscsid_response_t *rsp;

        memset(&req, 0x0, sizeof(req));
        if (!cl_get_string('a', (char *)req.address, argc, argv)) {
                arg_missing("Interface Address");
        }
        cl_get_symname(req.name, argc, argv);
        check_extra_args(argc, argv);

        send_request(ISCSID_ADD_INITIATOR_PORTAL, sizeof(req), &req);
        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        res = (iscsid_add_initiator_rsp_t *)(void *)rsp->parameter;
        printf("Added Initiator Portal %d\n", res->portal_id);

        free_response(rsp);
        return 0;
}


/*
 * remove_initiator:
 *    Handle the remove_initiator command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
remove_initiator(int argc, char **argv)
{
        iscsid_sym_id_t req;
        iscsid_response_t *rsp;

        memset(&req, 0x0, sizeof(req));
        if (!cl_get_id('I', &req, argc, argv)) {
                arg_missing("Initiator Portal ID");
        }
        check_extra_args(argc, argv);

        send_request(ISCSID_REMOVE_INITIATOR_PORTAL, sizeof(req), &req);
        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);

        printf("OK\n");
        return 0;
}

/*
 * list_initiators:
 *    Handle the list_initiators command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
list_initiators(int argc, char **argv)
{
        iscsid_get_list_req_t lst;
        iscsid_response_t *rsp, *prsp;
        iscsid_get_list_rsp_t *list;
        iscsid_get_initiator_rsp_t *init;
        iscsid_sym_id_t req;
        unsigned i;

        memset(&req, 0x0, sizeof(req));
        check_extra_args(argc, argv);

        /* get the list of servers */
        lst.list_kind = INITIATOR_LIST;
        send_request(ISCSID_GET_LIST, sizeof(lst), &lst);
        rsp = get_response(TRUE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        list = (iscsid_get_list_rsp_t *)(void *)rsp->parameter;

        /* display all servers */
        for (i = 0; i < list->num_entries; i++) {
                req.id = list->id[i];
                send_request(ISCSID_GET_INITIATOR_PORTAL, sizeof(req), &req);
                prsp = get_response(FALSE);
                if (prsp->status) {
                        status_error(prsp->status);
                }
                init = (iscsid_get_initiator_rsp_t *)(void *)prsp->parameter;
                printf("%6d", init->portal_id.id);
                if (init->portal_id.name[0]) {
                        printf("[%s]", init->portal_id.name);
                }
                printf(": %s\n", init->address);
                free_response(prsp);
        }
        free_response(rsp);
        return 0;
}


/*
 * login_or_add:
 *    Common routine for login and add_connection. Handles the actual command,
 *    the only pre-initialized component is the session ID in the login request
 *    for add_connection.
 *
 *    Parameters: the login request, plus argc & argv
*/

STATIC void
login_or_add(iscsid_login_req_t * loginp, int argc, char **argv)
{
        iscsid_add_target_req_t *targ = NULL;
        iscsid_add_target_rsp_t *tgtrsp;
        iscsid_set_target_authentication_req_t auth;
        iscsid_get_set_target_options_t opt;
        iscsid_search_list_req_t srch;
        iscsid_response_t *rsp;
        int opts, auths, tlen;

        /* get the remaining parameters */
        opts = cl_get_target_opts(&opt, argc, argv);
        auths = cl_get_auth_opts(&auth, argc, argv);
        cl_get_symname(loginp->sym_name, argc, argv);
        cl_get_id ('i', &loginp->initiator_id, argc, argv);

        /* do we have a portal ID? */
        if (!cl_get_id('P', &loginp->portal_id, argc, argv)) {
                /* No portal ID - then we must have a target name */
                if (!(tlen = cl_get_target(&targ, argc, argv, TRUE))) {
                        if (NO_ID(&loginp->session_id)) {
                                arg_missing("Target");
                        }
                }

                check_extra_args(argc, argv);

                if (targ != NULL) {
                        /* was a complete target with portal specified? */
                        if (targ->num_portals) {
                                /* then add it like in an add_target command */
                                targ->list_kind = TARGET_LIST;
                                send_request(ISCSID_ADD_TARGET, tlen, targ);
                                rsp = get_response(FALSE);
                                if (rsp->status) {
                                        status_error(rsp->status);
                                }
                                tgtrsp = (iscsid_add_target_rsp_t *)(void *)(rsp->parameter);
                                (void) memcpy(&loginp->portal_id.id, &tgtrsp->target_id,
                                        sizeof(loginp->portal_id.id));
                        } else {
                                /* else find the target by its TargetName */
                                srch.search_kind = FIND_TARGET_NAME;
                                srch.list_kind = TARGET_LIST;
                                strlcpy((char *)srch.strval, (char *)targ->TargetName,
                                        sizeof(srch.strval));

                                send_request(ISCSID_SEARCH_LIST, sizeof(srch), &srch);
                                rsp = get_response(FALSE);
                                if (rsp->status) {
                                        status_error_slist(rsp->status);
                                }
                                GET_SYM_ID(loginp->portal_id.id, rsp->parameter);
                        }
                        free_response(rsp);
                }
        } else
                check_extra_args(argc, argv);

        /* Options specified? Then set them */
        if (opts) {
                opt.target_id = loginp->portal_id;
                opt.list_kind = TARGET_LIST;
                send_request(ISCSID_SET_TARGET_OPTIONS, sizeof(opt), &opt);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error(rsp->status);
                }
                free_response(rsp);
        }
        /* Authentication options specified? Then set them */
        if (auths) {
                auth.target_id = loginp->portal_id;
                auth.list_kind = TARGET_LIST;
                send_request(ISCSID_SET_TARGET_AUTHENTICATION, sizeof(auth), &auth);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error(rsp->status);
                }
                free_response(rsp);
        }
}


/*
 * login:
 *    Handle login command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
*/

int
login(int argc, char **argv)
{
        iscsid_login_req_t loginp;
        iscsid_login_rsp_t *res;
        iscsid_response_t *rsp;

        memset(&loginp, 0x0, sizeof(loginp));
        loginp.login_type = (cl_get_opt('m', argc, argv))
                                                ? ISCSI_LOGINTYPE_NOMAP : ISCSI_LOGINTYPE_MAP;

        login_or_add(&loginp, argc, argv);

        send_request(ISCSID_LOGIN, sizeof(loginp), &loginp);

        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        res = (iscsid_login_rsp_t *)(void *)rsp->parameter;
        printf("Created Session %d, Connection %d\n",
                res->session_id.id, res->connection_id.id);

        free_response(rsp);
        return 0;
}


/*
 * logout:
 *    Handle logout command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
*/

int
logout(int argc, char **argv)
{
        iscsid_sym_id_t req;
        iscsid_response_t *rsp;

        if (!cl_get_id('I', &req, argc, argv)) {
                arg_missing("Session");
        }
        check_extra_args(argc, argv);

        send_request(ISCSID_LOGOUT, sizeof(req), &req);
        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);

        printf("OK\n");
        return 0;
}


/*
 * add_connection:
 *    Handle add_connection command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
*/

int
add_connection(int argc, char **argv)
{
        iscsid_login_req_t loginp;
        iscsid_login_rsp_t      *loginrsp;
        iscsid_response_t *rsp;

        memset(&loginp, 0x0, sizeof(loginp));
        loginp.login_type = ISCSI_LOGINTYPE_MAP;
        cl_get_id('I', &loginp.session_id, argc, argv);

        login_or_add(&loginp, argc, argv);

        send_request(ISCSID_ADD_CONNECTION, sizeof(loginp), &loginp);

        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        loginrsp = (iscsid_login_rsp_t *)(void *)(rsp->parameter);
        printf("Added Connection %d\n", loginrsp->connection_id.id);

        free_response(rsp);
        return 0;
}


/*
 * remove_connection:
 *    Handle remove connection command
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
*/

int
remove_connection(int argc, char **argv)
{
        iscsid_remove_connection_req_t req;
        iscsid_response_t *rsp;

        if (!cl_get_id('I', &req.session_id, argc, argv)) {
                arg_missing("Session");
        }
        if (!cl_get_id('C', &req.connection_id, argc, argv)) {
                arg_missing("Connection");
        }
        check_extra_args(argc, argv);

        send_request(ISCSID_REMOVE_CONNECTION, sizeof(req), &req);
        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);

        printf("OK\n");
        return 0;
}


/*
 * list_sessions:
 *    Handle list_sessions command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 *
 * ToDo: initiator portals, connection recurse
*/

int
list_sessions(int argc, char **argv)
{
        iscsid_response_t *lrsp, *rsp;
        iscsid_get_session_list_rsp_t *list;
        iscsid_session_list_entry_t *ent;
        iscsid_get_connection_info_req_t creq;
        iscsid_get_connection_info_rsp_t *info;
        iscsid_sym_id_t clreq;
        iscsid_get_connection_list_rsp_t *clinfo;
        iscsid_connection_list_entry_t *clent;
        unsigned i;
        unsigned j;
        int lconn;

        memset(&creq, 0x0, sizeof(creq));
        memset(&clreq, 0x0, sizeof(clreq));
        lconn = cl_get_opt('c', argc, argv);

        check_extra_args(argc, argv);

        send_request(ISCSID_GET_SESSION_LIST, 0, NULL);
        lrsp = get_response(TRUE);
        if (lrsp->status) {
                status_error(lrsp->status);
        }
        list = (iscsid_get_session_list_rsp_t *)(void *)lrsp->parameter;

        for (i = 0, ent = list->session; i < list->num_entries; i++, ent++) {
                creq.session_id.id = ent->session_id.id;
                send_request(ISCSID_GET_CONNECTION_INFO, sizeof(creq), &creq);
                rsp = get_response(FALSE);
                if (rsp->status) {
                        status_error(rsp->status);
                }
                info = (iscsid_get_connection_info_rsp_t *)(void *)rsp->parameter;

                printf("Session %d", info->session_id.id);
                if (info->session_id.name[0]) {
                        printf("[%s]", info->session_id.name);
                }
                printf(": Target %s", info->TargetName);
                if (info->target_portal_id.name[0]) {
                        printf(" [%s]", info->target_portal_id.name);
                }
                printf("\n");

                if (lconn) {
                        clreq.id = info->session_id.id;
                        send_request(ISCSID_GET_CONNECTION_LIST, sizeof(clreq), &clreq);
                        rsp = get_response(FALSE);
                        if (rsp->status) {
                                status_error(rsp->status);
                        }
                        clinfo = (iscsid_get_connection_list_rsp_t *)(void *)rsp->parameter;

                        for (j = 0, clent = clinfo->connection;
                                 j < clinfo->num_connections; j++, clent++) {
                                printf(" Connection %d", clent->connection_id.id);
                                if (clent->connection_id.name[0]) {
                                        printf("[%s]", clent->connection_id.name);
                                }
                                printf(" Address %s:%d,%d\n", clent->target_portal.address,
                                        clent->target_portal.port,
                                        clent->target_portal.group_tag);
                        }
                }
        }

        return 0;
}


/*
 * set_node_name:
 *    Handle the set_node_name command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
set_node_name(int argc, char **argv)
{
        iscsid_set_node_name_req_t req;
        iscsid_response_t *rsp;
        uint64_t isid;

        memset(&req, 0x0, sizeof(req));
        if (!cl_get_string('n', (char *)req.InitiatorName, argc, argv)) {
                arg_missing("Initiator Name");
        }
        cl_get_string('A', (char *)req.InitiatorAlias, argc, argv);
        isid = cl_get_longlong('i', argc, argv);
        hton6(req.ISID, isid);

        check_extra_args(argc, argv);

        send_request(ISCSID_SET_NODE_NAME, sizeof(req), &req);

        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        free_response(rsp);

        printf("OK\n");
        return 0;
}

/*
 * get_version:
 *    Handle the version command.
 *
 *    Parameter:  argc, argv (shifted)
 *
 *    Returns:    0 if OK - else it doesn't return at all.
 */

int
/*ARGSUSED*/
get_version(int argc, char **argv)
{
        iscsid_response_t *rsp;
        iscsid_get_version_rsp_t *ver;

        send_request(ISCSID_GET_VERSION, 0, NULL);
        rsp = get_response(FALSE);
        if (rsp->status) {
                status_error(rsp->status);
        }
        ver = (iscsid_get_version_rsp_t *)(void *)rsp->parameter;
        printf("%s\n%s\n%s\n", VERSION_STRING, ver->version_string,
                   ver->driver_version_string);

        return 0;
}