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#pragma once
/***
This file is part of systemd.
Copyright 2016 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/>.
***/
typedef struct DynamicUser DynamicUser;
typedef struct DynamicCreds {
/* A combination of a dynamic user and group */
DynamicUser *user;
DynamicUser *group;
} DynamicCreds;
#include "manager.h"
/* Note that this object always allocates a pair of user and group under the same name, even if one of them isn't
* used. This means, if you want to allocate a group and user pair, and they might have two different names, then you
* need to allocated two of these objects. DynamicCreds below makes that easy. */
struct DynamicUser {
int n_ref;
Manager *manager;
/* An AF_UNIX socket pair that contains a datagram containing both the numeric ID assigned, as well as a lock
* file fd locking the user ID we picked. */
int storage_socket[2];
char name[];
};
int dynamic_user_serialize(Manager *m, FILE *f, FDSet *fds);
void dynamic_user_deserialize_one(Manager *m, const char *value, FDSet *fds);
void dynamic_user_vacuum(Manager *m, bool close_user);
int dynamic_user_lookup_uid(Manager *m, uid_t uid, char **ret);
int dynamic_user_lookup_name(Manager *m, const char *name, uid_t *ret);
int dynamic_creds_acquire(DynamicCreds *creds, Manager *m, const char *user, const char *group);
int dynamic_creds_realize(DynamicCreds *creds, char **suggested_paths, uid_t *uid, gid_t *gid);
void dynamic_creds_unref(DynamicCreds *creds);
void dynamic_creds_destroy(DynamicCreds *creds);
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