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Diffstat (limited to 'src/libbus-proxy-core/bus-xml-policy.h')
-rw-r--r-- | src/libbus-proxy-core/bus-xml-policy.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/libbus-proxy-core/bus-xml-policy.h b/src/libbus-proxy-core/bus-xml-policy.h new file mode 100644 index 0000000000..3dcddaa048 --- /dev/null +++ b/src/libbus-proxy-core/bus-xml-policy.h @@ -0,0 +1,147 @@ +#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); |