60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2016 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef struct DynamicUser DynamicUser;
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typedef struct DynamicCreds {
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/* A combination of a dynamic user and group */
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DynamicUser *user;
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DynamicUser *group;
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} DynamicCreds;
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#include "manager.h"
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/* Note that this object always allocates a pair of user and group under the same name, even if one of them isn't
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* used. This means, if you want to allocate a group and user pair, and they might have two different names, then you
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* need to allocated two of these objects. DynamicCreds below makes that easy. */
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struct DynamicUser {
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int n_ref;
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Manager *manager;
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/* An AF_UNIX socket pair that contains a datagram containing both the numeric ID assigned, as well as a lock
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* file fd locking the user ID we picked. */
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int storage_socket[2];
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char name[];
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};
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int dynamic_user_serialize(Manager *m, FILE *f, FDSet *fds);
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void dynamic_user_deserialize_one(Manager *m, const char *value, FDSet *fds);
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void dynamic_user_vacuum(Manager *m, bool close_user);
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int dynamic_user_current(DynamicUser *d, uid_t *ret);
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int dynamic_user_lookup_uid(Manager *m, uid_t uid, char **ret);
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int dynamic_user_lookup_name(Manager *m, const char *name, uid_t *ret);
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int dynamic_creds_acquire(DynamicCreds *creds, Manager *m, const char *user, const char *group);
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int dynamic_creds_realize(DynamicCreds *creds, char **suggested_paths, uid_t *uid, gid_t *gid);
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void dynamic_creds_unref(DynamicCreds *creds);
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void dynamic_creds_destroy(DynamicCreds *creds);
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