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authorSanju Rakonde <srakonde@redhat.com>2019-02-04 15:07:14 +0530
committerAtin Mukherjee <amukherj@redhat.com>2019-02-05 14:40:25 +0000
commit90922d20f55e26b23bfab0fbc4e179e305c38037 (patch)
tree912264bbf362649b6f5dce9bdb43f19e897f726a /xlators/protocol/server/src/server-handshake.c
parenta9b51f2d1fd3a8be6496b62b989b6838b542936b (diff)
downloadglusterfs-7dev.tar.gz
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glusterfs-7dev.zip
glusterd: get-state command should not fail if any brick is gone badv7dev
Problem: get-state command will error out, if any of the underlying brick(s) of volume(s) in the cluster go bad. It is expected that get-state command should not error out, but should generate an output successfully. Solution: In glusterd_get_state(), a statfs call is made on the brick path for every bricks of the volumes to calculate the total and free memory available. If any of statfs call fails on any brick, we should not error out and should report total memory and free memory of that brick as 0. This patch also handles a statfs failure scenario in glusterd_store_retrieve_bricks(). fixes: bz#1672205 Change-Id: Ia9e8a1d8843b65949d72fd6809bd21d39b31ad83 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
Diffstat (limited to 'xlators/protocol/server/src/server-handshake.c')
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/*
    SSSD

    LDAP Provider Initialization functions

    Authors:
        Simo Sorce <ssorce@redhat.com>

    Copyright (C) 2009 Red Hat

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "providers/child_common.h"
#include "providers/ldap/ldap_common.h"
#include "providers/ldap/sdap_async_private.h"
#include "providers/ldap/sdap_access.h"

static void sdap_shutdown(struct be_req *req);

/* Id Handler */
struct bet_ops sdap_id_ops = {
    .handler = sdap_account_info_handler,
    .finalize = sdap_shutdown
};

/* Auth Handler */
struct bet_ops sdap_auth_ops = {
    .handler = sdap_pam_auth_handler,
    .finalize = sdap_shutdown
};

/* Chpass Handler */
struct bet_ops sdap_chpass_ops = {
    .handler = sdap_pam_chpass_handler,
    .finalize = sdap_shutdown
};

/* Access Handler */
struct bet_ops sdap_access_ops = {
    .handler = sdap_pam_access_handler,
    .finalize = sdap_shutdown
};

int sssm_ldap_id_init(struct be_ctx *bectx,
                      struct bet_ops **ops,
                      void **pvt_data)
{
    struct sdap_id_ctx *ctx;
    const char *urls;
    const char *dns_service_name;
    int ret;

    /* If we're already set up, just return that */
    if(bectx->bet_info[BET_ID].mod_name &&
       strcmp("ldap", bectx->bet_info[BET_ID].mod_name) == 0) {
        DEBUG(8, ("Re-using sdap_id_ctx for this provider\n"));
        *ops = bectx->bet_info[BET_ID].bet_ops;
        *pvt_data = bectx->bet_info[BET_ID].pvt_bet_data;
        return EOK;
    }

    ctx = talloc_zero(bectx, struct sdap_id_ctx);
    if (!ctx) return ENOMEM;

    ctx->be = bectx;

    ret = ldap_get_options(ctx, bectx->cdb,
                           bectx->conf_path, &ctx->opts);
    if (ret != EOK) {
        goto done;
    }

    dns_service_name = dp_opt_get_string(ctx->opts->basic,
                                         SDAP_DNS_SERVICE_NAME);
    DEBUG(7, ("Service name for discovery set to %s\n", dns_service_name));

    urls = dp_opt_get_string(ctx->opts->basic, SDAP_URI);
    if (!urls) {
        DEBUG(1, ("Missing ldap_uri, will use service discovery\n"));
    }

    ret = sdap_service_init(ctx, ctx->be, "LDAP",
                            dns_service_name, urls, &ctx->service);
    if (ret != EOK) {
        DEBUG(1, ("Failed to initialize failover service!\n"));
        goto done;
    }

    ret = setup_tls_config(ctx->opts->basic);
    if (ret != EOK) {
        DEBUG(1, ("setup_tls_config failed [%d][%s].\n",
                  ret, strerror(ret)));
        goto done;
    }

    ret = sdap_id_conn_cache_create(ctx, ctx->be,
                                    ctx->opts, ctx->service,
                                    &ctx->conn_cache);
    if (ret != EOK) {
        goto done;
    }

    ret = sdap_id_setup_tasks(ctx);
    if (ret != EOK) {
        goto done;
    }

    ret = setup_child(ctx);
    if (ret != EOK) {
        DEBUG(1, ("setup_child failed [%d][%s].\n",
                  ret, strerror(ret)));
        goto done;
    }

    *ops = &sdap_id_ops;
    *pvt_data = ctx;
    ret = EOK;

done:
    if (ret != EOK) {
        talloc_free(ctx);
    }
    return ret;
}

int sssm_ldap_auth_init(struct be_ctx *bectx,
                        struct bet_ops **ops,
                        void **pvt_data)
{
    struct sdap_auth_ctx *ctx;
    const char *urls;
    const char *dns_service_name;
    int ret;

    ctx = talloc(bectx, struct sdap_auth_ctx);
    if (!ctx) return ENOMEM;

    ctx->be = bectx;

    ret = ldap_get_options(ctx, bectx->cdb,
                           bectx->conf_path, &ctx->opts);
    if (ret != EOK) {
        goto done;
    }

    dns_service_name = dp_opt_get_string(ctx->opts->basic,
                                         SDAP_DNS_SERVICE_NAME);
    DEBUG(7, ("Service name for discovery set to %s\n", dns_service_name));

    urls = dp_opt_get_string(ctx->opts->basic, SDAP_URI);
    if (!urls) {
        DEBUG(1, ("Missing ldap_uri, will use service discovery\n"));
    }

    ret = sdap_service_init(ctx, ctx->be, "LDAP", dns_service_name,
                            urls, &ctx->service);
    if (ret != EOK) {