148 lines
4.5 KiB
C
148 lines
4.5 KiB
C
#pragma once
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2013 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <pthread.h>
|
|
|
|
#include "hashmap.h"
|
|
#include "list.h"
|
|
|
|
typedef enum PolicyItemType {
|
|
_POLICY_ITEM_TYPE_UNSET = 0,
|
|
POLICY_ITEM_ALLOW,
|
|
POLICY_ITEM_DENY,
|
|
_POLICY_ITEM_TYPE_MAX,
|
|
_POLICY_ITEM_TYPE_INVALID = -1,
|
|
} PolicyItemType;
|
|
|
|
typedef enum PolicyItemClass {
|
|
_POLICY_ITEM_CLASS_UNSET = 0,
|
|
POLICY_ITEM_SEND,
|
|
POLICY_ITEM_RECV,
|
|
POLICY_ITEM_OWN,
|
|
POLICY_ITEM_OWN_PREFIX,
|
|
POLICY_ITEM_USER,
|
|
POLICY_ITEM_GROUP,
|
|
POLICY_ITEM_IGNORE,
|
|
_POLICY_ITEM_CLASS_MAX,
|
|
_POLICY_ITEM_CLASS_INVALID = -1,
|
|
} PolicyItemClass;
|
|
|
|
typedef struct PolicyItem PolicyItem;
|
|
|
|
struct PolicyItem {
|
|
PolicyItemType type;
|
|
PolicyItemClass class;
|
|
char *interface;
|
|
char *member;
|
|
char *error;
|
|
char *path;
|
|
char *name;
|
|
uint8_t message_type;
|
|
uid_t uid;
|
|
gid_t gid;
|
|
|
|
bool uid_valid, gid_valid;
|
|
|
|
LIST_FIELDS(PolicyItem, items);
|
|
};
|
|
|
|
typedef struct Policy {
|
|
LIST_HEAD(PolicyItem, default_items);
|
|
LIST_HEAD(PolicyItem, mandatory_items);
|
|
LIST_HEAD(PolicyItem, on_console_items);
|
|
LIST_HEAD(PolicyItem, no_console_items);
|
|
Hashmap *user_items;
|
|
Hashmap *group_items;
|
|
} Policy;
|
|
|
|
typedef struct SharedPolicy {
|
|
char **configuration;
|
|
pthread_mutex_t lock;
|
|
pthread_rwlock_t rwlock;
|
|
Policy buffer;
|
|
Policy *policy;
|
|
} SharedPolicy;
|
|
|
|
/* policy */
|
|
|
|
int policy_load(Policy *p, char **files);
|
|
void policy_free(Policy *p);
|
|
|
|
bool policy_check_own(Policy *p, uid_t uid, gid_t gid, const char *name);
|
|
bool policy_check_hello(Policy *p, uid_t uid, gid_t gid);
|
|
bool policy_check_one_recv(Policy *p,
|
|
uid_t uid,
|
|
gid_t gid,
|
|
int message_type,
|
|
const char *name,
|
|
const char *path,
|
|
const char *interface,
|
|
const char *member);
|
|
bool policy_check_recv(Policy *p,
|
|
uid_t uid,
|
|
gid_t gid,
|
|
int message_type,
|
|
Set *names,
|
|
char **namesv,
|
|
const char *path,
|
|
const char *interface,
|
|
const char *member,
|
|
bool dbus_to_kernel);
|
|
bool policy_check_one_send(Policy *p,
|
|
uid_t uid,
|
|
gid_t gid,
|
|
int message_type,
|
|
const char *name,
|
|
const char *path,
|
|
const char *interface,
|
|
const char *member);
|
|
bool policy_check_send(Policy *p,
|
|
uid_t uid,
|
|
gid_t gid,
|
|
int message_type,
|
|
Set *names,
|
|
char **namesv,
|
|
const char *path,
|
|
const char *interface,
|
|
const char *member,
|
|
bool dbus_to_kernel,
|
|
char **out_used_name);
|
|
|
|
void policy_dump(Policy *p);
|
|
|
|
const char* policy_item_type_to_string(PolicyItemType t) _const_;
|
|
PolicyItemType policy_item_type_from_string(const char *s) _pure_;
|
|
|
|
const char* policy_item_class_to_string(PolicyItemClass t) _const_;
|
|
PolicyItemClass policy_item_class_from_string(const char *s) _pure_;
|
|
|
|
/* shared policy */
|
|
|
|
int shared_policy_new(SharedPolicy **out);
|
|
SharedPolicy *shared_policy_free(SharedPolicy *sp);
|
|
|
|
int shared_policy_reload(SharedPolicy *sp);
|
|
int shared_policy_preload(SharedPolicy *sp, char **configuration);
|
|
Policy *shared_policy_acquire(SharedPolicy *sp);
|
|
void shared_policy_release(SharedPolicy *sp, Policy *p);
|
|
|
|
DEFINE_TRIVIAL_CLEANUP_FUNC(SharedPolicy*, shared_policy_free);
|