8322 nl: misleading-indentation

[unleashed/tickless.git] / usr / src / cmd / cmd-inet / usr.lib / inetd / config.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Routines used by inetd to read inetd's configuration from the repository,
 * to validate it and setup inetd's data structures appropriately based on
 * in.
 */

#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <netdb.h>
#include <netinet/in.h>
#include <libintl.h>
#include <nss_dbdefs.h>
#include <signal.h>
#include <wait.h>
#include "inetd_impl.h"


/* method timeout used if one isn't explicitly specified */
#define DEFAULT_METHOD_TIMEOUT  10


/* supported method properties and their attributes */
static inetd_prop_t method_props[] = {
{PR_EXEC_NAME, "", INET_TYPE_STRING, B_FALSE, IVE_UNSET, NULL, B_FALSE},
{PR_ARG0_NAME, "", INET_TYPE_STRING, B_TRUE, IVE_UNSET, NULL, B_FALSE},
{SCF_PROPERTY_TIMEOUT, "", INET_TYPE_COUNT, B_TRUE, IVE_UNSET, NULL, B_FALSE},
{NULL},
};

/* enumeration of method properties; used to index into method_props[] */
typedef enum {
        MP_EXEC,
        MP_ARG0,
        MP_TIMEOUT
} method_prop_t;


/* handle used for repository access in read_prop() */
static scf_handle_t     *rep_handle = NULL;

/* pool used to create proto_info_t lists (generic proto info structure) */
static uu_list_pool_t   *proto_info_pool = NULL;

static void destroy_method_props(inetd_prop_t *);
static int proto_info_compare(const void *, const void *, void *);

int
config_init(void)
{
        if ((rep_handle = scf_handle_create(SCF_VERSION)) == NULL) {
                error_msg("%s: %s",
                    gettext("Failed to create repository handle"),
                    scf_strerror(scf_error()));
                return (-1);
        } else if (make_handle_bound(rep_handle) == -1) {
                /* let config_fini clean-up */
                return (-1);
        }

        if ((proto_info_pool = uu_list_pool_create("proto_info_pool",
            sizeof (proto_info_t), offsetof(proto_info_t, link),
            proto_info_compare, UU_LIST_POOL_DEBUG)) == NULL) {
                error_msg(gettext("Failed to create uu list pool: %s"),
                    uu_strerror(uu_error()));
                return (-1);
        }

        return (0);
}

void
config_fini(void)
{
        if (rep_handle == NULL)
                return;

        if (proto_info_pool != NULL) {
                uu_list_pool_destroy(proto_info_pool);
                proto_info_pool = NULL;
        }

        (void) scf_handle_unbind(rep_handle);
        scf_handle_destroy(rep_handle);
        rep_handle = NULL;
}

static void
destroy_method_info(method_info_t *mi)
{
        if (mi == NULL)
                return;

        if (mi->wordexp_arg0_backup != NULL) {
                /*
                 * Return the wordexp structure back to its original
                 * state so it can be consumed by wordfree.
                 */
                free(mi->exec_args_we.we_wordv[0]);
                mi->exec_args_we.we_wordv[0] =
                    (char *)mi->wordexp_arg0_backup;
        }

        free(mi->exec_path);

        wordfree(&mi->exec_args_we);

        free(mi);
}

/*
 * Transforms the properties read from the repository for a method into a
 * method_info_t and returns a pointer to it. If expansion of the exec
 * property fails, due to an invalid string or memory allocation failure,
 * NULL is returned and exec_invalid is set appropriately to indicate whether
 * it was a memory allocation failure or an invalid exec string.
 */
static method_info_t *
create_method_info(const inetd_prop_t *mprops, boolean_t *exec_invalid)
{
        method_info_t   *ret;
        int             i;

        if ((ret = calloc(1, sizeof (method_info_t))) == NULL)
                goto alloc_fail;

        /* Expand the exec string. */
        if ((i = wordexp(get_prop_value_string(mprops, PR_EXEC_NAME),
            &ret->exec_args_we, WRDE_NOCMD|WRDE_UNDEF)) != 0) {
                if (i == WRDE_NOSPACE)
                        goto alloc_fail;

                *exec_invalid = B_TRUE;
                free(ret);
                return (NULL);
        }

        if ((ret->exec_path = strdup(ret->exec_args_we.we_wordv[0])) == NULL)
                goto alloc_fail;

        if (mprops[MP_ARG0].ip_error == IVE_VALID) {    /* arg0 is set */
                /*
                 * Keep a copy of arg0 of the wordexp structure so that
                 * wordfree() gets passed what wordexp() originally returned,
                 * as documented as required in the man page.
                 */
                ret->wordexp_arg0_backup = ret->exec_args_we.we_wordv[0];
                if ((ret->exec_args_we.we_wordv[0] =
                    strdup(get_prop_value_string(mprops, PR_ARG0_NAME)))
                    == NULL)
                        goto alloc_fail;
        }

        if (mprops[MP_TIMEOUT].ip_error == IVE_VALID) {
                ret->timeout = get_prop_value_count(mprops,
                    SCF_PROPERTY_TIMEOUT);
        } else {
                ret->timeout = DEFAULT_METHOD_TIMEOUT;
        }

        /* exec_invalid not set on success */

        return (ret);

alloc_fail:
        error_msg(strerror(errno));
        destroy_method_info(ret);
        *exec_invalid = B_FALSE;
        return (NULL);
}

/*
 * Returns B_TRUE if the contents of the 2 method_info_t structures are
 * equivalent, else B_FALSE.
 */
boolean_t
method_info_equal(const method_info_t *mi, const method_info_t *mi2)
{
        int             i;

        if ((mi == NULL) && (mi2 == NULL)) {
                return (B_TRUE);
        } else if (((mi == NULL) || (mi2 == NULL)) ||
            (mi->exec_args_we.we_wordc != mi2->exec_args_we.we_wordc) ||
            (strcmp(mi->exec_path, mi2->exec_path) != 0)) {
                return (B_FALSE);
        }

        for (i = 0; i < mi->exec_args_we.we_wordc; i++) {
                if (strcmp(mi->exec_args_we.we_wordv[i],
                    mi2->exec_args_we.we_wordv[i]) != 0) {
                        return (B_FALSE);
                }
        }

        return (B_TRUE);
}

/*
 * Checks if the contents of the 2 socket_info_t structures are equivalent.
 * If 'isrpc' is false, the address components of the two structures are
 * compared for equality as part of this. If the two structures are
 * equivalent B_TRUE is returned, else B_FALSE.
 */
boolean_t
socket_info_equal(const socket_info_t *si, const socket_info_t *si2,
    boolean_t isrpc)
{
        return ((isrpc || (memcmp(&si->local_addr, &si2->local_addr,
            sizeof (si->local_addr)) == 0)) &&
            (si->type == si2->type));

}

/*
 * proto_info_t comparison function. Returns 0 on match, else -1, as required
 * by uu_list_find().
 */
static int
proto_info_compare(const void *lv, const void *rv, void *istlx)
{
        proto_info_t    *pi = (proto_info_t *)lv;
        proto_info_t    *pi2 = (proto_info_t *)rv;

        /* check their RPC configuration matches */
        if (pi->ri != NULL) {
                if ((pi2->ri == NULL) || !rpc_info_equal(pi->ri, pi2->ri))
                        return (-1);
        } else if (pi2->ri != NULL) {
                return (-1);
        }

        if (pi->v6only != pi2->v6only)
                return (-1);

        if (*(boolean_t *)istlx) {
                if (tlx_info_equal((tlx_info_t *)lv, (tlx_info_t *)rv,
                    pi->ri != NULL))
                        return (0);
        } else {
                if (socket_info_equal((socket_info_t *)lv,
                    (socket_info_t *)rv, pi->ri != NULL))
                        return (0);
        }
        return (-1);
}

/*
 * Returns B_TRUE if the bind configuration of the two instance_cfg_t
 * structures are equivalent, else B_FALSE.
 */
boolean_t
bind_config_equal(const basic_cfg_t *c1, const basic_cfg_t *c2)
{
        proto_info_t    *pi;

        if ((c1->iswait != c2->iswait) ||
            (c1->istlx != c2->istlx))
                return (B_FALSE);

        if (uu_list_numnodes(c1->proto_list) !=
            uu_list_numnodes(c2->proto_list))
                return (B_FALSE);
        /*
         * For each element in the first configuration's socket/tlx list,
         * check there's a matching one in the other list.
         */
        for (pi = uu_list_first(c1->proto_list); pi != NULL;
            pi = uu_list_next(c1->proto_list, pi)) {
                uu_list_index_t idx;

                if (uu_list_find(c2->proto_list, pi, (void *)&c1->istlx,
                    &idx) == NULL)
                        return (B_FALSE);
        }

        return (B_TRUE);
}

/*
 * Write the default values contained in 'bprops', read by
 * read_instance_props(), into 'cfg'.
 * Returns -1 if memory allocation fails, else 0.
 */
static int
populate_defaults(inetd_prop_t *bprops, basic_cfg_t *cfg)
{
        cfg->do_tcp_wrappers = get_prop_value_boolean(bprops,
            PR_DO_TCP_WRAPPERS_NAME);
        cfg->do_tcp_trace = get_prop_value_boolean(bprops,
            PR_DO_TCP_TRACE_NAME);
        cfg->do_tcp_keepalive = get_prop_value_boolean(bprops,
            PR_DO_TCP_KEEPALIVE_NAME);
        cfg->inherit_env = get_prop_value_boolean(bprops, PR_INHERIT_ENV_NAME);
        cfg->wait_fail_cnt = get_prop_value_int(bprops,
            PR_MAX_FAIL_RATE_CNT_NAME);
        cfg->wait_fail_interval =  get_prop_value_int(bprops,
            PR_MAX_FAIL_RATE_INTVL_NAME);
        cfg->max_copies = get_prop_value_int(bprops, PR_MAX_COPIES_NAME);
        cfg->conn_rate_offline = get_prop_value_int(bprops,
            PR_CON_RATE_OFFLINE_NAME);
        cfg->conn_rate_max = get_prop_value_int(bprops, PR_CON_RATE_MAX_NAME);
        cfg->bind_fail_interval = get_prop_value_int(bprops,
            PR_BIND_FAIL_INTVL_NAME);
        cfg->bind_fail_max = get_prop_value_int(bprops, PR_BIND_FAIL_MAX_NAME);
        cfg->conn_backlog = get_prop_value_int(bprops,
            PR_CONNECTION_BACKLOG_NAME);
        if ((cfg->bind_addr =
            strdup(get_prop_value_string(bprops, PR_BIND_ADDR_NAME))) == NULL) {
                error_msg(strerror(errno));
                return (-1);
        }
        return (0);
}

void
destroy_method_infos(method_info_t **mis)
{
        int i;

        for (i = 0; i < NUM_METHODS; i++) {
                destroy_method_info(mis[i]);
                mis[i] = NULL;
        }
}

/*
 * For each method, if it was specifed convert its entry in 'mprops',
 * into an entry in 'mis'. Returns -1 if memory allocation fails or one of the
 * exec strings was invalid, else 0.
 */
static int
create_method_infos(const char *fmri, inetd_prop_t **mprops,
    method_info_t **mis)
{
        int i;

        for (i = 0; i < NUM_METHODS; i++) {
                /*
                 * Only create a method info structure if the method properties
                 * contain an exec string, which we take to mean the method
                 * is specified.
                 */
                if (mprops[i][MP_EXEC].ip_error == IVE_VALID) {
                        boolean_t exec_invalid;

                        if ((mis[i] = create_method_info(mprops[i],
                            &exec_invalid)) == NULL) {
                                if (exec_invalid) {
                                        error_msg(gettext("Property %s for "
                                            "method %s of instance %s is "
                                            "invalid"), PR_EXEC_NAME,
                                            methods[i].name, fmri);
                                }
                                return (-1);
                        }
                }
        }
        return (0);
}

/*
 * Try and read each of the method properties for the method 'method' of
 * instance 'inst', and return a table containing all method properties. If an
 * error occurs, NULL is returned, with 'err' set to indicate the cause.
 * Otherwise, a pointer to an inetd_prop_t table is returned containing all
 * the method properties, and each of the properties is flagged according to
 * whether it was present or not, and if it was present its value is set in
 * the property's entry in the table.
 */
static inetd_prop_t *
read_method_props(const char *inst, instance_method_t method, scf_error_t *err)
{
        inetd_prop_t    *ret;
        int             i;

        if ((ret = calloc(1, sizeof (method_props))) == NULL) {
                *err = SCF_ERROR_NO_MEMORY;
                return (NULL);
        }

        (void) memcpy(ret, method_props, sizeof (method_props));
        for (i = 0; ret[i].ip_name != NULL; i++) {
                *err = read_prop(rep_handle, &ret[i], i, inst,
                    methods[method].name);
                if ((*err != 0) && (*err != SCF_ERROR_NOT_FOUND)) {
                        destroy_method_props(ret);
                        return (NULL);
                }
        }

        return (ret);
}

static void
destroy_method_props(inetd_prop_t *mprop)
{
        int i;

        if (mprop == NULL)
                return;

        for (i = 0; mprop[i].ip_name != NULL; i++) {
                if (mprop[i].ip_type == INET_TYPE_STRING &&
                    mprop[i].ip_error == IVE_VALID)
                        free(mprop[i].ip_value.iv_string);
        }

        free(mprop);
}

/*
 * Destroy the basic and method properties returned by read_inst_props().
 */
static void
destroy_inst_props(inetd_prop_t *bprops, inetd_prop_t **mprops)
{
        int     i;

        free_instance_props(bprops);
        for (i = 0; i < NUM_METHODS; i++)
                destroy_method_props(mprops[i]);
}

/*
 * Read all the basic and method properties for instance 'inst', as inetd_prop_t
 * tables, into the spaces referenced by 'bprops' and 'mprops' respectively.
 * Each of the properties in the tables are flagged to indicate if the
 * property was present or not, and if it was the value is stored within it.
 * If an error occurs at any time -1 is returned and 'err' is set to
 * indicate the reason, else 0 is returned.
 */
static int
read_inst_props(const char *fmri, inetd_prop_t **bprops,
    inetd_prop_t **mprops, scf_error_t *err)
{
        size_t          nprops;
        int             i;

        if ((*bprops = read_instance_props(rep_handle, (char *)fmri, &nprops,
            err)) == NULL)
                return (-1);

        for (i = 0; i < NUM_METHODS; i++) {
                if ((mprops[i] =
                    read_method_props(fmri, (instance_method_t)i, err)) ==
                    NULL) {
                        for (i--; i >= 0; i--)
                                destroy_method_props(mprops[i]);
                        free_instance_props(*bprops);
                        return (-1);
                }
        }

        return (0);
}

/*
 * Returns B_TRUE if all required properties were read from the repository
 * (whether taken from the defaults or directly from the instance), they
 * all had valid values, all the required methods were present, and they
 * each had the required properties with valid values. Else, returns B_FALSE.
 * If the function returns B_TRUE, the storage referenced by 'cfg' is set
 * to point at an allocated instance_cfg_t initialized based on the basic
 * properties (not method or defaults).
 */
static boolean_t
valid_inst_props(const char *fmri, inetd_prop_t *bprops, inetd_prop_t **mprops,
    basic_cfg_t **cfg)
{
        boolean_t       valid;
        size_t          num_bprops;
        int             i;

        valid = valid_props(bprops, fmri, cfg, proto_info_pool, conn_ind_pool);

        /*
         * Double check we've got all necessary properties (valid_props()
         * doesn't enforce the presence of defaults), and output error messages
         * for each invalid/ missing property.
         */
        (void) get_prop_table(&num_bprops);
        for (i = 0; bprops[i].ip_name != NULL; i++) {
                switch (bprops[i].ip_error) {
                case IVE_UNSET:
                        if (!bprops[i].ip_default)
                                continue;
                        if ((i == PT_ARG0_INDEX) || (i == PT_EXEC_INDEX))
                                continue;
                        /* FALLTHROUGH */
                case IVE_INVALID:
                        error_msg(gettext("Property '%s' of instance "
                            "%s is missing, inconsistent or invalid"),
                            bprops[i].ip_name, fmri);
                        valid = B_FALSE;
                }
        }

        for (i = 0; i < NUM_METHODS; i++) {
                int     j;

                /* check if any properties are set */
                for (j = 0; mprops[i][j].ip_name != NULL; j++) {
                        if (mprops[i][j].ip_error != IVE_UNSET)
                                break;
                }

                if (mprops[i][j].ip_name == NULL) {
                        /* an unspecified method */
                        if ((instance_method_t)i == IM_START) {
                                error_msg(gettext(
                                    "Unspecified %s method for instance %s"),
                                    START_METHOD_NAME, fmri);
                                valid = B_FALSE;
                        }
                } else if (mprops[i][MP_EXEC].ip_error == IVE_UNSET) {
                        error_msg(gettext("Missing %s property from method %s "
                            "of instance %s"), PR_EXEC_NAME,
                            methods[(instance_method_t)i].name, fmri);
                        valid = B_FALSE;
                }
        }

        if (!valid) {
                destroy_basic_cfg(*cfg);
                *cfg = NULL;
        }

        return (valid);
}

void
destroy_instance_cfg(instance_cfg_t *cfg)
{
        if (cfg != NULL) {
                destroy_basic_cfg(cfg->basic);
                destroy_method_infos(cfg->methods);
                free(cfg);
        }
}

/*
 * Returns an allocated instance_cfg_t representation of an instance's
 * configuration read from the repository. If the configuration is invalid, a
 * repository error occurred, or a memory allocation occurred returns NULL,
 * else returns a pointer to the allocated instance_cfg_t.
 */
instance_cfg_t *
read_instance_cfg(const char *fmri)
{
        uint_t          retries;
        inetd_prop_t    *bprops;
        inetd_prop_t    *mprops[NUM_METHODS];
        instance_cfg_t  *ret = NULL;
        scf_error_t     err;

        if ((ret = calloc(1, sizeof (instance_cfg_t))) == NULL)
                return (NULL);

        for (retries = 0; retries <= REP_OP_RETRIES; retries++) {
                if (make_handle_bound(rep_handle) == -1) {
                        err = scf_error();
                        goto read_error;
                }

                if (read_inst_props(fmri, &bprops, mprops, &err) == 0)
                        break;
                if (err != SCF_ERROR_CONNECTION_BROKEN)
                        goto read_error;
                (void) scf_handle_unbind(rep_handle);
        }
        if (retries > REP_OP_RETRIES)
                goto read_error;

        /*
         * Switch off validation of the start method's exec string, since
         * during boot the filesystem it resides on may not have been
         * mounted yet, which would result in a false validation failure.
         * We'll catch any real errors when the start method is first run
         * in passes_basic_exec_checks().
         */
        bprops[PT_EXEC_INDEX].ip_error = IVE_UNSET;

        if ((!valid_inst_props(fmri, bprops, mprops, &ret->basic)) ||
            (populate_defaults(bprops, ret->basic) != 0) ||
            (create_method_infos(fmri, mprops, ret->methods) != 0)) {
                destroy_instance_cfg(ret);
                ret = NULL;
        }

        destroy_inst_props(bprops, mprops);
        return (ret);

read_error:
        error_msg(gettext(
            "Failed to read the configuration of instance %s: %s"), fmri,
            scf_strerror(err));
        free(ret);
        return (NULL);
}

/*
 * Returns a pointer to an allocated method context for the specified method
 * of the specified instance if it could retrieve it. Else, if there were
 * errors retrieving it, NULL is returned and the pointer referenced by
 * 'errstr' is set to point at an appropriate error string.
 */
struct method_context *
read_method_context(const char *inst_fmri, const char *method, const char *path)
{
        scf_instance_t                  *scf_inst = NULL;
        struct method_context           *ret;
        uint_t                          retries;
        mc_error_t                      *tmperr;
        char                            *fail;

        fail = gettext("Failed to retrieve method context for the %s method of "
            "instance %s : %s");
        for (retries = 0; retries <= REP_OP_RETRIES; retries++) {
                if (make_handle_bound(rep_handle) == -1)
                        goto inst_failure;

                if (((scf_inst = scf_instance_create(rep_handle)) != NULL) &&
                    (scf_handle_decode_fmri(rep_handle, inst_fmri, NULL, NULL,
                    scf_inst, NULL, NULL, SCF_DECODE_FMRI_EXACT) == 0))
                        break;
                if (scf_error() != SCF_ERROR_CONNECTION_BROKEN) {
                        scf_instance_destroy(scf_inst);
                        goto inst_failure;
                }

                (void) scf_instance_destroy(scf_inst);
                scf_inst = NULL;

                (void) scf_handle_unbind(rep_handle);
        }
        if (retries > REP_OP_RETRIES)
                goto inst_failure;

        if ((tmperr = restarter_get_method_context(
            RESTARTER_METHOD_CONTEXT_VERSION, scf_inst, NULL, method, path,
            &ret)) != NULL) {
                ret = NULL;
                error_msg(fail, method, inst_fmri, tmperr->msg);
                restarter_mc_error_destroy(tmperr);
        }

        scf_instance_destroy(scf_inst);
        return (ret);

inst_failure:
        /*
         * We can rely on this string not becoming invalid
         * since we don't call bind_textdomain_codeset() or
         * setlocale(3C) after initialization.
         */
        error_msg(fail, method, inst_fmri,
            gettext("failed to get instance from repository"));
        return (NULL);
}

/*
 * Reads the value of the enabled property from the named property group
 * of the given instance.
 * If an error occurs, the SCF error code is returned. The possible errors are:
 * - SCF_ERROR_INVALID_ARGUMENT: The enabled property is not a boolean.
 * - SCF_ERROR_NONE: No value exists for the enabled property.
 * - SCF_ERROR_CONNECTION_BROKEN: Repository connection broken.
 * - SCF_ERROR_NOT_FOUND: The property wasn't found.
 * - SCF_ERROR_NO_MEMORY: allocation failure.
 * Else 0 is returned and 'enabled' set appropriately.
 */
static scf_error_t
read_enable_prop(const char *fmri, boolean_t *enabled, const char *pg)
{
        scf_simple_prop_t       *sp;
        uint8_t                 *u8p;

        if ((sp = scf_simple_prop_get(rep_handle, fmri, pg,
            SCF_PROPERTY_ENABLED)) == NULL)
                return (scf_error());

        if ((u8p = scf_simple_prop_next_boolean(sp)) == NULL) {
                scf_simple_prop_free(sp);
                return (scf_error());
        }

        *enabled = (*u8p != 0);
        scf_simple_prop_free(sp);
        return (0);
}

/*
 * Reads the enabled value for the given instance FMRI. The read value
 * is based on a merge of the 'standard' enabled property, and the temporary
 * override one; the merge involves using the latter properties value if
 * present, else resporting to the formers. If an error occurs -1 is returned,
 * else 0 is returned and 'enabled' set approriately.
 */
int
read_enable_merged(const char *fmri, boolean_t *enabled)
{
        uint_t          retries;

        for (retries = 0; retries <= REP_OP_RETRIES; retries++) {
                if (make_handle_bound(rep_handle) == -1)
                        goto gen_fail;

                switch (read_enable_prop(fmri, enabled, SCF_PG_GENERAL_OVR)) {
                case 0:
                        debug_msg("read %d from override", *enabled);
                        return (0);
                case SCF_ERROR_CONNECTION_BROKEN:
                        break;
                case SCF_ERROR_NOT_FOUND:
                case SCF_ERROR_NONE:
                case SCF_ERROR_INVALID_ARGUMENT:
                        switch (read_enable_prop(fmri, enabled,
                            SCF_PG_GENERAL)) {
                        case 0:
                                debug_msg("read %d from non_override",
                                    *enabled);
                                return (0);
                        case SCF_ERROR_CONNECTION_BROKEN:
                                break;
                        case SCF_ERROR_NOT_FOUND:
                        case SCF_ERROR_NONE:
                        case SCF_ERROR_INVALID_ARGUMENT:
                                error_msg(gettext("Missing %s property/value "
                                    "for instance %s"), SCF_PROPERTY_ENABLED,
                                    fmri);
                                return (-1);
                        default:
                                goto gen_fail;
                        }
                        break;
                default:
                        goto gen_fail;
                }

                (void) scf_handle_unbind(rep_handle);
                continue;
        }

gen_fail:
        error_msg(gettext("Failed to read the %s property of instance %s: %s"),
            SCF_PROPERTY_ENABLED, fmri, scf_strerror(scf_error()));
        return (-1);
}

/*
 * Refresh the value of debug property under the property group "config"
 * for network/inetd service.
 */
void
refresh_debug_flag(void)
{
        scf_simple_prop_t       *sprop;
        uint8_t                 *tmp_bool;

        if ((sprop = scf_simple_prop_get(rep_handle, INETD_INSTANCE_FMRI,
            PG_NAME_APPLICATION_CONFIG, PR_NAME_DEBUG_FLAG)) == NULL) {
                error_msg(gettext("Unable to read %s property from %s property "
                    "group. scf_simple_prop_get() failed: %s"),
                    PR_NAME_DEBUG_FLAG, PG_NAME_APPLICATION_CONFIG,
                    scf_strerror(scf_error()));
                return;
        } else if ((tmp_bool = scf_simple_prop_next_boolean(sprop)) == NULL) {
                error_msg(gettext("Unable to read %s property for %s service. "
                    "scf_simple_prop_next_boolean() failed: %s"),
                    PR_NAME_DEBUG_FLAG, INETD_INSTANCE_FMRI,
                    scf_strerror(scf_error()));
        } else {
                debug_enabled = ((*tmp_bool == 0) ? B_FALSE : B_TRUE);
        }

        scf_simple_prop_free(sprop);
}