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* Copyright © 2010,2011 Canonical Ltd.
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* Author: Scott James Remnant <scott@netsplit.com>.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef INIT_SESSION_H
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#define INIT_SESSION_H
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#include <sys/types.h>
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#include <nih/macros.h>
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#include <nih-dbus/dbus_message.h>
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* @entry: list header,
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* @chroot: path all jobs are chrooted to,
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* @user: uid all jobs are switched to,
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* @conf_path: configuration path (either full path to chroot root, or
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* full path to users job directory (which may itself be prepended
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* with a chroot path)).
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* This structure is used to identify collections of jobs
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* that share either a common @chroot and/or common @user.
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* Summary of Session values for different environments:
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* +-------------+--------------------------------------------------+
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* +------+------+--------+-----+-----------------------------------+
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* | user | PID | chroot | uid | Object contents |
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* +------+------+--------+-----+-----------------------------------+
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* | 0 | >0 | no | 0 | NULL (*1) |
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* | >0 | "0" | no | >0 | uid + conf_path set to "~/.init". |
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* | 0 | >0 | yes | 0 | chroot + conf_path set |
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* | >0 | ?? | yes | >0 | XXX: fails (*2) |
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* +------+------+--------+-----+-----------------------------------+
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* (*1) - The "NULL session" represents the "traditional" environment
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* before sessions were introduced (namely a non-chroot environment
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* where all job and event operations were handled by uid 0 (root)).
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* initctl: Unable to connect to system bus: Failed to connect to socket
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* /var/run/dbus/system_bus_socket: No such file or directory
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typedef struct session {
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extern NihList *sessions;
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void session_init (void);
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Session *session_new (const void *parent, const char *chroot, uid_t user)
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__attribute__ ((malloc, warn_unused_result));
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Session *session_from_dbus (const void *parent, NihDBusMessage *message);
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#endif /* INIT_SESSION_H */
added
removed
init/session.h
