providers/ipa/ipa_hbac_common.c

	ipa_hbac_common.c revision db18dda869bc6c52a41797b2066cf121cf10f49c
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher/*
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    SSSD
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    Authors:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        Stephen Gallagher <sgallagh@redhat.com>
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    Copyright (C) 2011 Red Hat
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    This program is free software; you can redistribute it and/or modify
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    it under the terms of the GNU General Public License as published by
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    the Free Software Foundation; either version 3 of the License, or
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    (at your option) any later version.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    This program is distributed in the hope that it will be useful,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    but WITHOUT ANY WARRANTY; without even the implied warranty of
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    GNU General Public License for more details.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    You should have received a copy of the GNU General Public License
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    along with this program.  If not, see <http://www.gnu.org/licenses/>.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher*/
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher#include "providers/ipa/ipa_hbac_private.h"
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher#include "providers/ipa/ipa_hbac.h"
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher#include "providers/ipa/ipa_common.h"
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorcestatic errno_t
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorceipa_hbac_save_list(struct sss_domain_info *domain,
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce                   bool delete_subdir, const char *subdir,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   const char *naming_attribute, size_t count,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   struct sysdb_attrs **list)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    int ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    size_t c;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_dn *base_dn;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *object_name;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message_element *el;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(NULL);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "talloc_new failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (delete_subdir) {
e2ac9be4f293b96f3c8992f1171e44bc1da5cfcaMichal Zidek        base_dn = sysdb_custom_subtree_dn(tmp_ctx, domain, subdir);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (base_dn == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce        ret = sysdb_delete_recursive(domain->sysdb, base_dn, true);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "sysdb_delete_recursive failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    for (c = 0; c < count; c++) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = sysdb_attrs_get_el(list[c], naming_attribute, &el);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "sysdb_attrs_get_el failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (el->num_values == 0) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "[%s] not found.\n", naming_attribute);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            ret = EINVAL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        object_name = talloc_strndup(tmp_ctx, (const char *)el->values[0].data,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                     el->values[0].length);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (object_name == NULL) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "talloc_strndup failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_TRACE_ALL, "Object name: [%s].\n", object_name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
d115f40c7a3999e3cbe705a2ff9cf0fd493f80fbMichal Zidek        ret = sysdb_store_custom(domain, object_name, subdir, list[c]);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "sysdb_store_custom failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallaghererrno_t
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorceipa_hbac_sysdb_save(struct sss_domain_info *domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                    const char *primary_subdir, const char *attr_name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                    size_t primary_count, struct sysdb_attrs **primary,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                    const char *group_subdir, const char *groupattr_name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                    size_t group_count, struct sysdb_attrs **groups)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret, sret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    bool in_transaction = false;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if ((primary_count == 0 || primary == NULL)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        || (group_count > 0 && groups == NULL)) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        /* There always has to be at least one
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher         * primary entry.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher         */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        return EINVAL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Save the entries and groups to the cache */
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce    ret = sysdb_transaction_start(domain->sysdb);
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek    if (ret != EOK) {
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Failed to start transaction\n");
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek        goto done;
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek    };
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    in_transaction = true;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* First, save the specific entries */
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce    ret = ipa_hbac_save_list(domain, true, primary_subdir,
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce                             attr_name, primary_count, primary);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Could not save %s. [%d][%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  primary_subdir, ret, strerror(ret));
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Second, save the groups */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (group_count > 0) {
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce        ret = ipa_hbac_save_list(domain, true, group_subdir,
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce                                 groupattr_name, group_count, groups);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "Could not save %s. [%d][%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                      group_subdir, ret, strerror(ret));
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce    ret = sysdb_transaction_commit(domain->sysdb);
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek    if (ret != EOK) {
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Failed to commit transaction\n");
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek        goto done;
21d485184df986e1a123f70c689517386e51a5ceMichal Zidek    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    in_transaction = false;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (in_transaction) {
e0404de84c31d2387bb244d018a5cac8d01f8b19Simo Sorce        sret = sysdb_transaction_cancel(domain->sysdb);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (sret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_FATAL_FAILURE, "Could not cancel sysdb transaction\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_MINOR_FAILURE, "Error [%d][%s]\n", ret, strerror(ret));
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallaghererrno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherreplace_attribute_name(const char *old_name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       const char *new_name, const size_t count,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sysdb_attrs **list)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    int ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    int i;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    for (i = 0; i < count; i++) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = sysdb_attrs_replace_name(list[i], old_name, new_name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "sysdb_attrs_replace_name failed.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozekstatic errno_t
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozekcreate_empty_grouplist(struct hbac_request_element *el)
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek{
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek    el->groups = talloc_array(el, const char *, 1);
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek    if (!el->groups) return ENOMEM;
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek    el->groups[0] = NULL;
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek    return EOK;
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher/********************************************
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher * Functions for handling conversion to the *
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher * HBAC evaluator format                    *
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher ********************************************/
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_attrs_to_rule(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   struct hbac_ctx *hbac_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   size_t index,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   struct hbac_rule **rule);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_ctx_to_eval_request(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                         struct hbac_ctx *hbac_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                         struct hbac_eval_req **request);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallaghererrno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_ctx_to_rules(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                  struct hbac_ctx *hbac_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                  struct hbac_rule ***rules,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                  struct hbac_eval_req **request)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_rule **new_rules;
9f37bb2012faa136ef7c1f9fe93689ce2be85637Ondrej Kos    struct hbac_eval_req *new_request = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    size_t i;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (!rules || !request) return EINVAL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(mem_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* First create an array of rules */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    new_rules = talloc_array(tmp_ctx, struct hbac_rule *,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                             hbac_ctx->rule_count + 1);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (new_rules == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Create each rule one at a time */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    for (i = 0; i < hbac_ctx->rule_count ; i++) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = hbac_attrs_to_rule(new_rules, hbac_ctx, i, &(new_rules[i]));
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret == EPERM) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        } else if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_CRIT_FAILURE, "Could not construct rules\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    new_rules[i] = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Create the eval request */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = hbac_ctx_to_eval_request(tmp_ctx, hbac_ctx, &new_request);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Could not construct eval request\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    *rules = talloc_steal(mem_ctx, new_rules);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    *request = talloc_steal(mem_ctx, new_request);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_attrs_to_rule(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   struct hbac_ctx *hbac_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   size_t idx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                   struct hbac_rule **rule)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    struct be_ctx *be_ctx = be_req_get_be_ctx(hbac_ctx->be_req);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_rule *new_rule;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message_element *el;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *rule_type;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    new_rule = talloc_zero(mem_ctx, struct hbac_rule);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (new_rule == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = sysdb_attrs_get_el(hbac_ctx->rules[idx],
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                             IPA_CN, &el);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK || el->num_values == 0) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CONF_SETTINGS, "rule has no name, assuming '(none)'.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        new_rule->name = talloc_strdup(new_rule, "(none)");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    } else {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        new_rule->name = talloc_strndup(new_rule,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                        (const char*) el->values[0].data,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                        el->values[0].length);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov    DEBUG(SSSDBG_TRACE_LIBS, "Processing rule [%s]\n", new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = sysdb_attrs_get_bool(hbac_ctx->rules[idx], IPA_ENABLED_FLAG,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                               &new_rule->enabled);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (!new_rule->enabled) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = sysdb_attrs_get_string(hbac_ctx->rules[idx],
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                 IPA_ACCESS_RULE_TYPE,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                 &rule_type);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (strcasecmp(rule_type, IPA_HBAC_ALLOW) != 0) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_TRACE_LIBS,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Rule [%s] is not an ALLOW rule\n", new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = EPERM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the users */
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    ret = hbac_user_attrs_to_rule(new_rule, be_ctx->domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                  new_rule->name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                  hbac_ctx->rules[idx],
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                  &new_rule->users);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Could not parse users for rule [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the services */
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    ret = hbac_service_attrs_to_rule(new_rule, be_ctx->domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                     new_rule->name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                     hbac_ctx->rules[idx],
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                     &new_rule->services);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "Could not parse services for rule [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the target hosts */
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    ret = hbac_thost_attrs_to_rule(new_rule, be_ctx->domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   new_rule->name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   hbac_ctx->rules[idx],
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   &new_rule->targethosts);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Could not parse target hosts for rule [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the source hosts */
6fb75e297bf7fc83e3db1f5ae8560624656ef319Jan Zeleny
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    ret = hbac_shost_attrs_to_rule(new_rule, be_ctx->domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   new_rule->name,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   hbac_ctx->rules[idx],
6fb75e297bf7fc83e3db1f5ae8560624656ef319Jan Zeleny                                   dp_opt_get_bool(hbac_ctx->ipa_options,
6fb75e297bf7fc83e3db1f5ae8560624656ef319Jan Zeleny                                                   IPA_HBAC_SUPPORT_SRCHOST),
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                   &new_rule->srchosts);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Could not parse source hosts for rule [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  new_rule->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    *rule = new_rule;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) talloc_free(new_rule);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallaghererrno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_get_category(struct sysdb_attrs *attrs,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                  const char *category_attr,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                  uint32_t *_categories)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    size_t i;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    uint32_t cats = HBAC_CATEGORY_NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char **categories;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx = talloc_new(NULL);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = sysdb_attrs_get_string_array(attrs, category_attr,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                       tmp_ctx, &categories);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK && ret != ENOENT) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != ENOENT) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        for (i = 0; categories[i]; i++) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            if (strcasecmp("all", categories[i]) == 0) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov                DEBUG(SSSDBG_FUNC_DATA, "Category is set to 'all'.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                cats |= HBAC_CATEGORY_ALL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                continue;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            }
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_TRACE_ALL, "Unsupported user category [%s].\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                      categories[i]);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    *_categories = cats;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_user_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sysdb_ctx *sysdb,
2ce00e0d3896bb42db169d1e79553a81ca837a22Simo Sorce                       struct sss_domain_info *domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       const char *username,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct hbac_request_element **user_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_service_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct sysdb_ctx *sysdb,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct sss_domain_info *domain,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                          const char *servicename,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct hbac_request_element **svc_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_host_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sysdb_ctx *sysdb,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sss_domain_info *domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       const char *hostname,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct hbac_request_element **host_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_ctx_to_eval_request(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                         struct hbac_ctx *hbac_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                         struct hbac_eval_req **request)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct pam_data *pd = hbac_ctx->pd;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_eval_req *eval_req;
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    struct be_ctx *be_ctx = be_req_get_be_ctx(hbac_ctx->be_req);
03abdaa21ecf562b714f204ca42379ff08626f75Simo Sorce    struct sss_domain_info *domain = be_ctx->domain;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *rhost;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *thost;
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose    struct sss_domain_info *user_dom;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(mem_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    eval_req = talloc_zero(tmp_ctx, struct hbac_eval_req);
1ea2e8bd370e0dc2f2c3fa09232cf67082ef748dStephen Gallagher    if (eval_req == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    eval_req->request_time = time(NULL);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose    /* Get user the user name and groups,
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose     * take care of subdomain users as well */
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose    if (strcasecmp(pd->domain, domain->name) != 0) {
db18dda869bc6c52a41797b2066cf121cf10f49cPavel Reichl        user_dom = find_domain_by_name(domain, pd->domain, true);
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose        if (user_dom == NULL) {
db18dda869bc6c52a41797b2066cf121cf10f49cPavel Reichl            DEBUG(SSSDBG_OP_FAILURE, "find_domain_by_name failed.\n");
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose            ret = ENOMEM;
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose            goto done;
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose        }
2ce00e0d3896bb42db169d1e79553a81ca837a22Simo Sorce        ret = hbac_eval_user_element(eval_req, user_dom->sysdb, user_dom,
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose                                     pd->user, &eval_req->user);
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose    } else {
b860f8b6b6b03982c80268e9f6fd35f6455b6b37Simo Sorce        ret = hbac_eval_user_element(eval_req, domain->sysdb, domain,
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose                                     pd->user, &eval_req->user);
94a66f84bd3c28fcabffeb84c682dccf89d89c2bSumit Bose    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the PAM service and service groups */
b860f8b6b6b03982c80268e9f6fd35f6455b6b37Simo Sorce    ret = hbac_eval_service_element(eval_req, domain->sysdb, domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                    pd->service, &eval_req->service);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Get the source host */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (pd->rhost == NULL || pd->rhost[0] == '\0') {
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher            /* If we haven't been passed an rhost,
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher             * the rhost is unknown. This will fail
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher             * to match any rule requiring the
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher             * source host.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher             */
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher        rhost = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    } else {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        rhost = pd->rhost;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
b860f8b6b6b03982c80268e9f6fd35f6455b6b37Simo Sorce    ret = hbac_eval_host_element(eval_req, domain->sysdb, domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                 rhost, &eval_req->srchost);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* The target host is always the current machine */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    thost = dp_opt_get_cstring(hbac_ctx->ipa_options, IPA_HOSTNAME);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (thost == NULL) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Missing ipa_hostname, this should never happen.\n");
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = EINVAL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
b860f8b6b6b03982c80268e9f6fd35f6455b6b37Simo Sorce    ret = hbac_eval_host_element(eval_req, domain->sysdb, domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                 thost, &eval_req->targethost);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    *request = talloc_steal(mem_ctx, eval_req);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_user_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sysdb_ctx *sysdb,
2ce00e0d3896bb42db169d1e79553a81ca837a22Simo Sorce                       struct sss_domain_info *domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       const char *username,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct hbac_request_element **user_element)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    unsigned int i;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    unsigned int num_groups = 0;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *member_dn;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_request_element *users;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message *msg;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message_element *el;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    const char *attrs[] = { SYSDB_ORIG_MEMBEROF, NULL };
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(mem_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    users = talloc_zero(tmp_ctx, struct hbac_request_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (users == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    users->name = username;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    /* Read the originalMemberOf attribute
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher     * This will give us the list of both POSIX and
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher     * non-POSIX groups that this user belongs to.
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher     */
4c08db0fb0dda3d27b1184248ca5c800d7ce23f0Michal Zidek    ret = sysdb_search_user_by_name(tmp_ctx, domain, users->name,
4c08db0fb0dda3d27b1184248ca5c800d7ce23f0Michal Zidek                                    attrs, &msg);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret != EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Could not determine user memberships for [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                  users->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    el = ldb_msg_find_element(msg, SYSDB_ORIG_MEMBEROF);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (el == NULL || el->num_values == 0) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_TRACE_LIBS, "No groups for [%s]\n", users->name);
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(users);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov    DEBUG(SSSDBG_TRACE_LIBS,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov          "[%d] groups for [%s]\n", el->num_values, users->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    users->groups = talloc_array(users, const char *, el->num_values + 1);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (users->groups == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    for (i = 0; i < el->num_values; i++) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        member_dn = (const char *)el->values[i].data;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = get_ipa_groupname(users->groups, sysdb, member_dn,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                &users->groups[num_groups]);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (ret != EOK && ret != ENOENT) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_MINOR_FAILURE, "Parse error on [%s]\n", member_dn);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        } else if (ret == EOK) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov            DEBUG(SSSDBG_TRACE_LIBS, "Added group [%s] for user [%s]\n",
a3c8390d19593b1e5277d95bfb4ab206d4785150Nikolai Kondrashov                      users->groups[num_groups], users->name);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            num_groups++;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            continue;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        /* Skip entries that are not groups */
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_TRACE_INTERNAL,
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov              "Skipping non-group memberOf [%s]\n", member_dn);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    users->groups[num_groups] = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (num_groups < el->num_values) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        /* Shrink the array memory */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        users->groups = talloc_realloc(users, users->groups, const char *,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                                       num_groups+1);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        if (users->groups == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher            goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (ret == EOK) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        *user_element = talloc_steal(mem_ctx, users);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_service_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct sysdb_ctx *sysdb,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct sss_domain_info *domain,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                          const char *servicename,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                          struct hbac_request_element **svc_element)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    size_t i, j, count;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_request_element *svc;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message **msgs;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    struct ldb_message_element *el;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_dn *svc_dn;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    const char *memberof_attrs[] = { SYSDB_ORIG_MEMBEROF, NULL };
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    char *name;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(mem_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    svc = talloc_zero(tmp_ctx, struct hbac_request_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (svc == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    svc->name = servicename;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e2ac9be4f293b96f3c8992f1171e44bc1da5cfcaMichal Zidek    svc_dn = sysdb_custom_dn(tmp_ctx, domain, svc->name, HBAC_SERVICES_SUBDIR);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (svc_dn == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    /* Look up the service to get its originalMemberOf entries */
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    ret = sysdb_search_entry(tmp_ctx, sysdb, svc_dn,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                             LDB_SCOPE_BASE, NULL,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                             memberof_attrs,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                             &count, &msgs);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    if (ret == ENOENT || count == 0) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        /* We won't be able to identify any groups
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * This rule will only match the name or
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * a service category of ALL
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         */
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(svc);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        goto done;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    } else if (ret != EOK) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        goto done;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    } else if (count > 1) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "More than one result for a BASE search!\n");
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        ret = EIO;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    el = ldb_msg_find_element(msgs[0], SYSDB_ORIG_MEMBEROF);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    if (!el) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        /* Service is not a member of any groups
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * This rule will only match the name or
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * a service category of ALL
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         */
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(svc);
c3d09c0095a45de1973f320ce2045ac74d4e4f83Jakub Hrozek        goto done;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    }
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    svc->groups = talloc_array(svc, const char *, el->num_values + 1);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (svc->groups == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    for (i = j = 0; i < el->num_values; i++) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        ret = get_ipa_servicegroupname(tmp_ctx, sysdb,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                                       (const char *)el->values[i].data,
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher                                       &name);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        if (ret != EOK && ret != ENOENT) goto done;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        /* ENOENT means we had a memberOf entry that wasn't a
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * service group. We'll just ignore those (could be
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         * HBAC rules)
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher         */
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        if (ret == EOK) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher            svc->groups[j] = talloc_steal(svc->groups, name);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher            j++;
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    svc->groups[j] = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    if (ret == EOK) {
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher        *svc_element = talloc_steal(mem_ctx, svc);
f5e22261a2ff95f2a61f4f199fffb8de79668110Stephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherstatic errno_t
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherhbac_eval_host_element(TALLOC_CTX *mem_ctx,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sysdb_ctx *sysdb,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct sss_domain_info *domain,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       const char *hostname,
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher                       struct hbac_request_element **host_element)
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher{
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    errno_t ret;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    size_t i, j, count;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    TALLOC_CTX *tmp_ctx;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct hbac_request_element *host;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_message **msgs;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    struct ldb_message_element *el;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    struct ldb_dn *host_dn;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    const char *memberof_attrs[] = { SYSDB_ORIG_MEMBEROF, NULL };
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    char *name;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    tmp_ctx = talloc_new(mem_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (tmp_ctx == NULL) return ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    host = talloc_zero(tmp_ctx, struct hbac_request_element);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (host == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    host->name = hostname;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher    if (host->name == NULL) {
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher        /* We don't know the host (probably an rhost)
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher         * So we can't determine it's groups either.
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher         */
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(host);
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher        goto done;
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e2ac9be4f293b96f3c8992f1171e44bc1da5cfcaMichal Zidek    host_dn = sysdb_custom_dn(tmp_ctx, domain, host->name, HBAC_HOSTS_SUBDIR);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    if (host_dn == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    /* Look up the host to get its originalMemberOf entries */
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    ret = sysdb_search_entry(tmp_ctx, sysdb, host_dn,
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher                             LDB_SCOPE_BASE, NULL,
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher                             memberof_attrs,
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher                             &count, &msgs);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    if (ret == ENOENT || count == 0) {
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        /* We won't be able to identify any groups
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * This rule will only match the name or
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * a host category of ALL
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         */
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(host);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        goto done;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    } else if (ret != EOK) {
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        goto done;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    } else if (count > 1) {
83bf46f4066e3d5e838a32357c201de9bd6ecdfdNikolai Kondrashov        DEBUG(SSSDBG_CRIT_FAILURE, "More than one result for a BASE search!\n");
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        ret = EIO;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    el = ldb_msg_find_element(msgs[0], SYSDB_ORIG_MEMBEROF);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    if (!el) {
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        /* Host is not a member of any groups
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * This rule will only match the name or
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * a host category of ALL
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         */
3d8a87081a6cd197acbd355b5a39111669ec2aa6Jakub Hrozek        ret = create_empty_grouplist(host);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    host->groups = talloc_array(host, const char *, el->num_values + 1);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    if (host->groups == NULL) {
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        ret = ENOMEM;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher        goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    for (i = j = 0; i < el->num_values; i++) {
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        ret = get_ipa_hostgroupname(tmp_ctx, sysdb,
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher                                    (const char *)el->values[i].data,
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher                                    &name);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        if (ret != EOK && ret != ENOENT) goto done;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        /* ENOENT means we had a memberOf entry that wasn't a
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * host group. We'll just ignore those (could be
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         * HBAC rules)
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher         */
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        if (ret == EOK) {
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher            host->groups[j] = talloc_steal(host->groups, name);
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher            j++;
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher        }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    }
c1fcc832ccfc237caac8b99be238cf2d598f908cStephen Gallagher    host->groups[j] = NULL;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    ret = EOK;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagherdone:
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher    if (ret == EOK) {
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher        *host_element = talloc_steal(mem_ctx, host);
9b72b00ebcfd6225a4e139619c8e18d44a448f87Stephen Gallagher    }
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    talloc_free(tmp_ctx);
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher    return ret;
e134a6af42102c8d865e82bf89e0b8c5a40fb5faStephen Gallagher}