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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/auth/builtin_roles.h"
#include <map>
#include "mongo/base/string_data.h"
#include "mongo/base/string_data_comparator_interface.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/auth/resource_pattern.h"
namespace mongo {
namespace {
constexpr auto kAdminDB = "admin"_sd;
/* Forward declarations so that inheritance calls don't have to worry about order.
* Warning: Potential for infinite recursion here, so inherit your roles wisely.
*/
//#for $role in $roles
void addPrivileges_${role.name}(PrivilegeVector* privileges, StringData dbName);
//#end for
/* Implemenations */
//## Use current name if `db` wasn't specified,
//## or override it with an explicit value if it was.
//#def dbName($db)
//#if $db is None
//#echo 'dbName'
//#else
//#echo '"' + $db + '"_sd'
//#end if
//#end def
//#for $role in $roles
void addPrivileges_${role.name}(PrivilegeVector* privileges, StringData dbName) {
//#if $role.adminOnly
/* Admin only builtin role */
fassert(6837401, dbName == kAdminDB);
//#end if
//#for $subrole in $role.roles
addPrivileges_${subrole.role}(privileges, $dbName($subrole.db));
//#end for
//#for $priv in $role.privileges
Privilege::addPrivilegeToPrivilegeVector(
privileges,
Privilege(
//#if $priv.matchType == 'any'
ResourcePattern::forAnyResource(),
//#elif $priv.matchType == 'any_normal'
ResourcePattern::forAnyNormalResource(),
//#elif $priv.matchType == 'cluster'
ResourcePattern::forClusterResource(),
//#elif $priv.matchType == 'database'
ResourcePattern::forDatabaseName($dbName($priv.db)),
//#elif $priv.matchType == 'collection'
ResourcePattern::forCollectionName("$priv.collection"_sd),
//#elif $priv.matchType == 'exact_namespace'
ResourcePattern::forExactNamespace(
NamespaceString($dbName($priv.db), "$priv.collection"_sd)),
//#elif $priv.matchType == 'any_system_buckets'
ResourcePattern::forAnySystemBuckets(),
//#elif $priv.matchType == 'system_buckets_in_any_db'
ResourcePattern::forAnySystemBucketsInAnyDatabase("$priv.system_buckets"_sd),
//#elif $priv.matchType == 'system_buckets'
ResourcePattern::forExactSystemBucketsCollection($dbName($priv.db),
"$priv.system_buckets"_sd),
//#elif $priv.matchType == 'any_system_buckets_in_db'
ResourcePattern::forAnySystemBucketsInDatabase($dbName($priv.db)),
//#else
//#assert False
//#end if
ActionSet({
//#for action in $priv.actions
ActionType::$action,
//#end for
})));
//#end for
//## Special case for __system.admin
//#if $role.name == "__system"
//#assert $role.adminOnly
ActionSet allActions;
allActions.addAllActions();
Privilege::addPrivilegeToPrivilegeVector(
privileges, Privilege(ResourcePattern::forAnyResource(), allActions));
//#end if
}
//#end for
using addPrivilegesFn = void (*)(PrivilegeVector*, StringData);
struct BuiltinRoleAttributes {
bool adminOnly;
addPrivilegesFn addPrivileges;
};
//#def boolval($val)
//#if $val
//#echo 'true'
//#else
//#echo 'false'
//#end if
//#end def
const std::map<StringData, BuiltinRoleAttributes> kBuiltinRoleMap = {
//#for $role in $roles
{"$role.name"_sd, {$boolval($role.adminOnly), addPrivileges_${role.name}}},
//#end for
};
const stdx::unordered_set<RoleName> kAdminBuiltinRoles = {
//#for $role in $roles
RoleName("$role.name"_sd, kAdminDB),
//#end for
};
// \$external is a virtual database used for X509, LDAP,
// and other authentication mechanisms and not used for storage.
// Therefore, granting privileges on this database does not make sense.
bool isValidDB(const DatabaseName& dbname) {
return NamespaceString::validDBName(dbname, NamespaceString::DollarInDbNameBehavior::Allow) &&
(dbname.db() != NamespaceString::kExternalDb);
}
} // namespace
//#set $global_roles = [role for role in $roles if role.adminOnly == False]
//#set $admin_only_roles = [role for role in $roles if role.adminOnly == True]
//##
stdx::unordered_set<RoleName> auth::getBuiltinRoleNamesForDB(const DatabaseName& dbName) {
if (!isValidDB(dbName)) {
return {};
}
if (dbName.db() == kAdminDB) {
return kAdminBuiltinRoles;
}
return stdx::unordered_set<RoleName>({
//#for $role in $global_roles
RoleName("$role.name"_sd, dbName),
//#end for
});
}
void auth::generateUniversalPrivileges(PrivilegeVector* privileges) {
addPrivileges___system(privileges, kAdminDB);
}
bool auth::addPrivilegesForBuiltinRole(const RoleName& role, PrivilegeVector* privileges) {
if (!isValidDB(role.getDatabaseName())) {
return false;
}
auto it = kBuiltinRoleMap.find(role.getRole());
if (it == kBuiltinRoleMap.end()) {
return false;
}
const auto& def = it->second;
if (def.adminOnly && (role.getDB() != kAdminDB)) {
return false;
}
def.addPrivileges(privileges, role.getDB());
return true;
}
bool auth::isBuiltinRole(const RoleName& role) {
if (!isValidDB(role.getDatabaseName())) {
return false;
}
auto it = kBuiltinRoleMap.find(role.getRole());
if (it == kBuiltinRoleMap.end()) {
return false;
}
return !it->second.adminOnly || (role.getDB() == kAdminDB);
}
} // namespace mongo
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