mirror of
https://github.com/Cacti/cacti.git
synced 2026-11-09 05:26:50 +09:00
Ian Berry
0df4d39f7c
git-svn-id: svn+ssh://repo.cacti.net/var/data/svnroot/cacti/trunk/cacti@1417 860744bd-22fc-0310-8c96-e9fe5004b5ca
178 lines
8.6 KiB
PHP
178 lines
8.6 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2003 Ian Berry |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| cacti: a php-based graphing solution |
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+-------------------------------------------------------------------------+
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| Most of this code has been designed, written and is maintained by |
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| Ian Berry. See about.php for specific developer credit. Any questions |
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| or comments regarding this code should be directed to: |
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| - iberry@raxnet.net |
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+-------------------------------------------------------------------------+
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| - raXnet - http://www.raxnet.net/ |
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+-------------------------------------------------------------------------+
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*/
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/* user_copy - copies a user account
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@arg $template_user - username of account that should be used as the template
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@arg $new_user - username of the account to be created
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@arg $new_realm - the realm the new account should be a member of */
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function user_copy($template_user, $new_user, $new_realm=0) {
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$user_auth = db_fetch_row("select * from user_auth where username = '$template_user'");
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$user_auth['username'] = $new_user;
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$user_auth['realm'] = $new_realm;
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$old_id = $user_auth['id'];
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$user_auth['id'] = 0;
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$new_id = sql_save($user_auth, 'user_auth');
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$user_auth_perms = db_fetch_assoc("select * from user_auth_perms where user_id = '$old_id'");
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foreach ($user_auth_perms as $user_auth_perm) {
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$user_auth_perm['user_id'] = $new_id;
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sql_save($user_auth_perm, 'user_auth_perms', array('user_id', 'item_id', 'type'));
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}
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$user_auth_realm = db_fetch_assoc("select * from user_auth_realm where user_id = '$old_id'");
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foreach ($user_auth_realm as $row) {
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$row['user_id'] = $new_id;
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sql_save($row, 'user_auth_realm', array('realm_id', 'user_id'));
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}
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$settings_graphs = db_fetch_assoc("select * from settings_graphs where user_id = '$old_id'");
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foreach ($settings_graphs as $settings_graph) {
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$settings_graph['user_id'] = $new_id;
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sql_save($settings_graph, 'settings_graphs', array('user_id', 'name'));
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}
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$settings_tree = db_fetch_assoc("select * from settings_tree where user_id = '$old_id'");
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foreach ($settings_tree as $row) {
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$row['user_id'] = $new_id;
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sql_save($settings_tree, 'settings_tree', array('user_id', 'graph_tree_item_id'));
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}
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}
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/* get_graph_permissions_sql - creates SQL that reprents the current graph, host and graph
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template policies
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@arg $policy_graphs - (int) the current graph policy
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@arg $policy_hosts - (int) the current host policy
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@arg $policy_graph_templates - (int) the current graph template policy
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@returns - an SQL "where" statement */
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function get_graph_permissions_sql($policy_graphs, $policy_hosts, $policy_graph_templates) {
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$sql = "";
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$sql_or = "";
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$sql_and = "";
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$sql_policy_or = "";
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$sql_policy_and = "";
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if ($policy_graphs == "1") {
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$sql_policy_and .= "$sql_and(user_auth_perms.type != 1 OR user_auth_perms.type is null)";
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$sql_and = " AND ";
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$sql_null = "is null";
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}elseif ($policy_graphs == "2") {
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$sql_policy_or .= "$sql_or(user_auth_perms.type = 1 OR user_auth_perms.type is not null)";
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$sql_or = " OR ";
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$sql_null = "is not null";
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}
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if ($policy_hosts == "1") {
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$sql_policy_and .= "$sql_and((user_auth_perms.type != 3) OR (user_auth_perms.type is null))";
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$sql_and = " AND ";
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}elseif ($policy_hosts == "2") {
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$sql_policy_or .= "$sql_or((user_auth_perms.type = 3) OR (user_auth_perms.type is not null))";
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$sql_or = " OR ";
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}
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if ($policy_graph_templates == "1") {
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$sql_policy_and .= "$sql_and((user_auth_perms.type != 4) OR (user_auth_perms.type is null))";
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$sql_and = " AND ";
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}elseif ($policy_graph_templates == "2") {
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$sql_policy_or .= "$sql_or((user_auth_perms.type = 4) OR (user_auth_perms.type is not null))";
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$sql_or = " OR ";
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}
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$sql_and = "";
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if (!empty($sql_policy_or)) {
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$sql_and = "AND ";
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$sql .= $sql_policy_or;
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}
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if (!empty($sql_policy_and)) {
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$sql .= "$sql_and$sql_policy_and";
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}
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if (empty($sql)) {
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return "";
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}else{
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return "(" . $sql . ")";
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}
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}
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/* is_graph_allowed - determines whether the current user is allowed to view a certain graph
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@arg $local_graph_id - (int) the ID of the graph to check permissions for
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@returns - (bool) whether the current user is allowed the view the specified graph or not */
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function is_graph_allowed($local_graph_id) {
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$current_user = db_fetch_row("select policy_graphs,policy_hosts,policy_graph_templates from user_auth where id=" . $_SESSION["sess_user_id"]);
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/* get policy information for the sql where clause */
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$sql_where = get_graph_permissions_sql($current_user["policy_graphs"], $current_user["policy_hosts"], $current_user["policy_graph_templates"]);
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$graphs = db_fetch_assoc("select
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graph_templates_graph.local_graph_id
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from graph_templates_graph,graph_local
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left join host on host.id=graph_local.host_id
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left join graph_templates on graph_templates.id=graph_local.graph_template_id
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left join user_auth_perms on ((graph_templates_graph.local_graph_id=user_auth_perms.item_id and user_auth_perms.type=1 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . ") OR (host.id=user_auth_perms.item_id and user_auth_perms.type=3 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . ") OR (graph_templates.id=user_auth_perms.item_id and user_auth_perms.type=4 and user_auth_perms.user_id=" . $_SESSION["sess_user_id"] . "))
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where graph_templates_graph.local_graph_id=graph_local.id
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" . (empty($sql_where) ? "" : "and $sql_where") . "
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and graph_templates_graph.local_graph_id=$local_graph_id
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group by graph_templates_graph.local_graph_id");
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if (sizeof($graphs) > 0) {
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return true;
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}else{
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return false;
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}
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}
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/* is_tree_allowed - determines whether the current user is allowed to view a certain graph tree
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@arg $tree_id - (int) the ID of the graph tree to check permissions for
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@returns - (bool) whether the current user is allowed the view the specified graph tree or not */
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function is_tree_allowed($tree_id) {
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$current_user = db_fetch_row("select policy_trees from user_auth where id=" . $_SESSION["sess_user_id"]);
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$trees = db_fetch_assoc("select
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user_id
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from user_auth_perms
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where user_id=" . $_SESSION["sess_user_id"] . "
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and type=2
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and item_id=$tree_id");
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/* policy == allow AND matches = DENY */
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if ((sizeof($trees) > 0) && ($current_user["policy_trees"] == "1")) {
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return false;
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/* policy == deny AND matches = ALLOW */
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}elseif ((sizeof($trees) > 0) && ($current_user["policy_trees"] == "2")) {
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return true;
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/* policy == allow AND no matches = ALLOW */
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}elseif ((sizeof($trees) == 0) && ($current_user["policy_trees"] == "1")) {
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return true;
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/* policy == deny AND no matches = DENY */
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}elseif ((sizeof($trees) == 0) && ($current_user["policy_trees"] == "2")) {
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return false;
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}
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}
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?>
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