| Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ |
| 2 | /* policy.h Bus security policy |
| 3 | * |
| 4 | * Copyright (C) 2003 Red Hat, Inc. |
| 5 | * |
| 6 | * Licensed under the Academic Free License version 2.1 |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef BUS_POLICY_H |
| 25 | #define BUS_POLICY_H |
| 26 | |
| 27 | #include <dbus/dbus.h> |
| 28 | #include <dbus/dbus-string.h> |
| 29 | #include <dbus/dbus-list.h> |
| 30 | #include <dbus/dbus-sysdeps.h> |
| 31 | #include "bus.h" |
| 32 | |
| 33 | typedef enum |
| 34 | { |
| 35 | BUS_POLICY_RULE_SEND, |
| 36 | BUS_POLICY_RULE_RECEIVE, |
| 37 | BUS_POLICY_RULE_OWN, |
| 38 | BUS_POLICY_RULE_USER, |
| 39 | BUS_POLICY_RULE_GROUP |
| 40 | } BusPolicyRuleType; |
| 41 | |
| 42 | /** determines whether the rule affects a connection, or some global item */ |
| 43 | #define BUS_POLICY_RULE_IS_PER_CLIENT(rule) (!((rule)->type == BUS_POLICY_RULE_USER || \ |
| 44 | (rule)->type == BUS_POLICY_RULE_GROUP)) |
| 45 | |
| 46 | struct BusPolicyRule |
| 47 | { |
| 48 | int refcount; |
| 49 | |
| 50 | BusPolicyRuleType type; |
| 51 | |
| 52 | unsigned int allow : 1; /**< #TRUE if this allows, #FALSE if it denies */ |
| 53 | |
| 54 | union |
| 55 | { |
| 56 | struct |
| 57 | { |
| 58 | /* message type can be DBUS_MESSAGE_TYPE_INVALID meaning "any" */ |
| 59 | int message_type; |
| 60 | /* any of these can be NULL meaning "any" */ |
| 61 | char *path; |
| 62 | char *interface; |
| 63 | char *member; |
| 64 | char *error; |
| 65 | char *destination; |
| 66 | unsigned int eavesdrop : 1; |
| 67 | unsigned int requested_reply : 1; |
| 68 | unsigned int log : 1; |
| 69 | } send; |
| 70 | |
| 71 | struct |
| 72 | { |
| 73 | /* message type can be DBUS_MESSAGE_TYPE_INVALID meaning "any" */ |
| 74 | int message_type; |
| 75 | /* any of these can be NULL meaning "any" */ |
| 76 | char *path; |
| 77 | char *interface; |
| 78 | char *member; |
| 79 | char *error; |
| 80 | char *origin; |
| 81 | unsigned int eavesdrop : 1; |
| 82 | unsigned int requested_reply : 1; |
| 83 | } receive; |
| 84 | |
| 85 | struct |
| 86 | { |
| 87 | /* can be NULL meaning "any" */ |
| 88 | char *service_name; |
| 89 | } own; |
| 90 | |
| 91 | struct |
| 92 | { |
| 93 | /* can be DBUS_UID_UNSET meaning "any" */ |
| 94 | dbus_uid_t uid; |
| 95 | } user; |
| 96 | |
| 97 | struct |
| 98 | { |
| 99 | /* can be DBUS_GID_UNSET meaning "any" */ |
| 100 | dbus_gid_t gid; |
| 101 | } group; |
| 102 | |
| 103 | } d; |
| 104 | }; |
| 105 | |
| 106 | BusPolicyRule* bus_policy_rule_new (BusPolicyRuleType type, |
| 107 | dbus_bool_t allow); |
| 108 | BusPolicyRule* bus_policy_rule_ref (BusPolicyRule *rule); |
| 109 | void bus_policy_rule_unref (BusPolicyRule *rule); |
| 110 | |
| 111 | BusPolicy* bus_policy_new (void); |
| 112 | BusPolicy* bus_policy_ref (BusPolicy *policy); |
| 113 | void bus_policy_unref (BusPolicy *policy); |
| 114 | BusClientPolicy* bus_policy_create_client_policy (BusPolicy *policy, |
| 115 | DBusConnection *connection, |
| 116 | DBusError *error); |
| 117 | dbus_bool_t bus_policy_allow_unix_user (BusPolicy *policy, |
| 118 | unsigned long uid); |
| 119 | dbus_bool_t bus_policy_allow_windows_user (BusPolicy *policy, |
| 120 | const char *windows_sid); |
| 121 | dbus_bool_t bus_policy_append_default_rule (BusPolicy *policy, |
| 122 | BusPolicyRule *rule); |
| 123 | dbus_bool_t bus_policy_append_mandatory_rule (BusPolicy *policy, |
| 124 | BusPolicyRule *rule); |
| 125 | dbus_bool_t bus_policy_append_user_rule (BusPolicy *policy, |
| 126 | dbus_uid_t uid, |
| 127 | BusPolicyRule *rule); |
| 128 | dbus_bool_t bus_policy_append_group_rule (BusPolicy *policy, |
| 129 | dbus_gid_t gid, |
| 130 | BusPolicyRule *rule); |
| 131 | dbus_bool_t bus_policy_append_console_rule (BusPolicy *policy, |
| 132 | dbus_bool_t at_console, |
| 133 | BusPolicyRule *rule); |
| 134 | |
| 135 | dbus_bool_t bus_policy_merge (BusPolicy *policy, |
| 136 | BusPolicy *to_absorb); |
| 137 | |
| 138 | BusClientPolicy* bus_client_policy_new (void); |
| 139 | BusClientPolicy* bus_client_policy_ref (BusClientPolicy *policy); |
| 140 | void bus_client_policy_unref (BusClientPolicy *policy); |
| 141 | dbus_bool_t bus_client_policy_check_can_send (BusClientPolicy *policy, |
| 142 | BusRegistry *registry, |
| 143 | dbus_bool_t requested_reply, |
| 144 | DBusConnection *receiver, |
| 145 | DBusMessage *message, |
| 146 | dbus_int32_t *toggles, |
| 147 | dbus_bool_t *log); |
| 148 | dbus_bool_t bus_client_policy_check_can_receive (BusClientPolicy *policy, |
| 149 | BusRegistry *registry, |
| 150 | dbus_bool_t requested_reply, |
| 151 | DBusConnection *sender, |
| 152 | DBusConnection *addressed_recipient, |
| 153 | DBusConnection *proposed_recipient, |
| 154 | DBusMessage *message, |
| 155 | dbus_int32_t *toggles); |
| 156 | dbus_bool_t bus_client_policy_check_can_own (BusClientPolicy *policy, |
| 157 | DBusConnection *connection, |
| 158 | const DBusString *service_name); |
| 159 | dbus_bool_t bus_client_policy_append_rule (BusClientPolicy *policy, |
| 160 | BusPolicyRule *rule); |
| 161 | void bus_client_policy_optimize (BusClientPolicy *policy); |
| 162 | |
| 163 | |
| 164 | #endif /* BUS_POLICY_H */ |