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build-sys: move more files from core/ to share/ that are generic enough

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This commit is contained in:
Lennart Poettering
2013-11-22 16:31:40 +01:00
parent 254ed85a8c
commit baabc57764
10 changed files with 41 additions and 42 deletions
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src/core/.gitignore
-4
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@@ -1,6 +1,2 @@
/syscall-from-name.gperf
/syscall-from-name.h
/syscall-list.txt
/syscall-to-name.h
/macros.systemd
/systemd.pc
src/core/initreq.h
-77
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@@ -1,77 +0,0 @@
/*
* initreq.h Interface to talk to init through /dev/initctl.
*
* Copyright (C) 1995-2004 Miquel van Smoorenburg
*
* This library 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 of the License, or (at your option) any later version.
*
* Version: @(#)initreq.h 1.28 31-Mar-2004 MvS
*
*/
#ifndef _INITREQ_H
#define _INITREQ_H
#include <sys/param.h>
#if defined(__FreeBSD_kernel__)
# define INIT_FIFO "/etc/.initctl"
#else
# define INIT_FIFO "/dev/initctl"
#endif
#define INIT_MAGIC 0x03091969
#define INIT_CMD_START 0
#define INIT_CMD_RUNLVL 1
#define INIT_CMD_POWERFAIL 2
#define INIT_CMD_POWERFAILNOW 3
#define INIT_CMD_POWEROK 4
#define INIT_CMD_BSD 5
#define INIT_CMD_SETENV 6
#define INIT_CMD_UNSETENV 7
#define INIT_CMD_CHANGECONS 12345
#ifdef MAXHOSTNAMELEN
# define INITRQ_HLEN MAXHOSTNAMELEN
#else
# define INITRQ_HLEN 64
#endif
/*
* This is what BSD 4.4 uses when talking to init.
* Linux doesn't use this right now.
*/
struct init_request_bsd {
char gen_id[8]; /* Beats me.. telnetd uses "fe" */
char tty_id[16]; /* Tty name minus /dev/tty */
char host[INITRQ_HLEN]; /* Hostname */
char term_type[16]; /* Terminal type */
int signal; /* Signal to send */
int pid; /* Process to send to */
char exec_name[128]; /* Program to execute */
char reserved[128]; /* For future expansion. */
};
/*
* Because of legacy interfaces, "runlevel" and "sleeptime"
* aren't in a separate struct in the union.
*
* The weird sizes are because init expects the whole
* struct to be 384 bytes.
*/
struct init_request {
int magic; /* Magic number */
int cmd; /* What kind of request */
int runlevel; /* Runlevel to change to */
int sleeptime; /* Time between TERM and KILL */
union {
struct init_request_bsd bsd;
char data[368];
} i;
};
#endif
src/core/securebits.h
-45
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@@ -1,45 +0,0 @@
#ifndef _LINUX_SECUREBITS_H
#define _LINUX_SECUREBITS_H 1
/* This is minimal version of Linux' linux/securebits.h header file,
* which is licensed GPL2 */
#define SECUREBITS_DEFAULT 0x00000000
/* When set UID 0 has no special privileges. When unset, we support
inheritance of root-permissions and suid-root executable under
compatibility mode. We raise the effective and inheritable bitmasks
*of the executable file* if the effective uid of the new process is
0. If the real uid is 0, we raise the effective (legacy) bit of the
executable file. */
#define SECURE_NOROOT 0
#define SECURE_NOROOT_LOCKED 1 /* make bit-0 immutable */
/* When set, setuid to/from uid 0 does not trigger capability-"fixup".
When unset, to provide compatibility with old programs relying on
set*uid to gain/lose privilege, transitions to/from uid 0 cause
capabilities to be gained/lost. */
#define SECURE_NO_SETUID_FIXUP 2
#define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */
/* When set, a process can retain its capabilities even after
transitioning to a non-root user (the set-uid fixup suppressed by
bit 2). Bit-4 is cleared when a process calls exec(); setting both
bit 4 and 5 will create a barrier through exec that no exec()'d
child can use this feature again. */
#define SECURE_KEEP_CAPS 4
#define SECURE_KEEP_CAPS_LOCKED 5 /* make bit-4 immutable */
/* Each securesetting is implemented using two bits. One bit specifies
whether the setting is on or off. The other bit specify whether the
setting is locked or not. A setting which is locked cannot be
changed from user-level. */
#define issecure_mask(X) (1 << (X))
#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits))
#define SECURE_ALL_BITS (issecure_mask(SECURE_NOROOT) | \
issecure_mask(SECURE_NO_SETUID_FIXUP) | \
issecure_mask(SECURE_KEEP_CAPS))
#define SECURE_ALL_LOCKS (SECURE_ALL_BITS << 1)
#endif /* !_LINUX_SECUREBITS_H */
src/core/special.h
-121
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@@ -1,121 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2010 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/>.
***/
#define SPECIAL_DEFAULT_TARGET "default.target"
/* Shutdown targets */
#define SPECIAL_UMOUNT_TARGET "umount.target"
/* This is not really intended to be started by directly. This is
* mostly so that other targets (reboot/halt/poweroff) can depend on
* it to bring all services down that want to be brought down on
* system shutdown. */
#define SPECIAL_SHUTDOWN_TARGET "shutdown.target"
#define SPECIAL_HALT_TARGET "halt.target"
#define SPECIAL_POWEROFF_TARGET "poweroff.target"
#define SPECIAL_REBOOT_TARGET "reboot.target"
#define SPECIAL_KEXEC_TARGET "kexec.target"
#define SPECIAL_EXIT_TARGET "exit.target"
#define SPECIAL_SUSPEND_TARGET "suspend.target"
#define SPECIAL_HIBERNATE_TARGET "hibernate.target"
#define SPECIAL_HYBRID_SLEEP_TARGET "hybrid-sleep.target"
/* Special boot targets */
#define SPECIAL_RESCUE_TARGET "rescue.target"
#define SPECIAL_EMERGENCY_TARGET "emergency.target"
/* Early boot targets */
#define SPECIAL_SYSINIT_TARGET "sysinit.target"
#define SPECIAL_SOCKETS_TARGET "sockets.target"
#define SPECIAL_TIMERS_TARGET "timers.target"
#define SPECIAL_PATHS_TARGET "paths.target"
#define SPECIAL_LOCAL_FS_TARGET "local-fs.target"
#define SPECIAL_LOCAL_FS_PRE_TARGET "local-fs-pre.target"
#define SPECIAL_INITRD_FS_TARGET "initrd-fs.target"
#define SPECIAL_INITRD_ROOT_FS_TARGET "initrd-root-fs.target"
#define SPECIAL_REMOTE_FS_TARGET "remote-fs.target" /* LSB's $remote_fs */
#define SPECIAL_REMOTE_FS_PRE_TARGET "remote-fs-pre.target"
#define SPECIAL_SWAP_TARGET "swap.target"
#define SPECIAL_NETWORK_ONLINE_TARGET "network-online.target"
#define SPECIAL_BASIC_TARGET "basic.target"
/* LSB compatibility */
#define SPECIAL_NETWORK_TARGET "network.target" /* LSB's $network */
#define SPECIAL_NSS_LOOKUP_TARGET "nss-lookup.target" /* LSB's $named */
#define SPECIAL_RPCBIND_TARGET "rpcbind.target" /* LSB's $portmap */
#define SPECIAL_TIME_SYNC_TARGET "time-sync.target" /* LSB's $time */
/*
* Rules regarding adding further high level targets like the above:
*
* - Be conservative, only add more of these when we really need
* them. We need strong usecases for further additions.
*
* - When there can be multiple implementations running side-by-side,
* it needs to be a .target unit which can pull in all
* implementations.
*
* - If something can be implemented with socket activation, and
* without, it needs to be a .target unit, so that it can pull in
* the appropriate unit.
*
* - Otherwise, it should be a .service unit.
*
* - In some cases it is OK to have both a .service and a .target
* unit, i.e. if there can be multiple parallel implementations, but
* only one is the "system" one. Example: syslog.
*
* Or to put this in other words: .service symlinks can be used to
* arbitrate between multiple implementations if there can be only one
* of a kind. .target units can be used to support multiple
* implementations that can run side-by-side.
*/
/* Magic early boot services */
#define SPECIAL_FSCK_SERVICE "systemd-fsck@.service"
#define SPECIAL_QUOTACHECK_SERVICE "systemd-quotacheck.service"
#define SPECIAL_QUOTAON_SERVICE "quotaon.service"
#define SPECIAL_REMOUNT_FS_SERVICE "systemd-remount-fs.service"
/* Services systemd relies on */
#define SPECIAL_DBUS_SERVICE "dbus.service"
#define SPECIAL_DBUS_SOCKET "dbus.socket"
#define SPECIAL_JOURNALD_SOCKET "systemd-journald.socket"
#define SPECIAL_JOURNALD_SERVICE "systemd-journald.service"
/* Magic init signals */
#define SPECIAL_KBREQUEST_TARGET "kbrequest.target"
#define SPECIAL_SIGPWR_TARGET "sigpwr.target"
#define SPECIAL_CTRL_ALT_DEL_TARGET "ctrl-alt-del.target"
/* For SysV compatibility. Usually an alias for a saner target. On
* SysV-free systems this doesn't exist. */
#define SPECIAL_RUNLEVEL2_TARGET "runlevel2.target"
#define SPECIAL_RUNLEVEL3_TARGET "runlevel3.target"
#define SPECIAL_RUNLEVEL4_TARGET "runlevel4.target"
#define SPECIAL_RUNLEVEL5_TARGET "runlevel5.target"
/* Where we add all our system units, users and machines by default */
#define SPECIAL_SYSTEM_SLICE "system.slice"
#define SPECIAL_USER_SLICE "user.slice"
#define SPECIAL_MACHINE_SLICE "machine.slice"
#define SPECIAL_ROOT_SLICE "-.slice"
src/core/syscall-list.c
-56
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@@ -1,56 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2012 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 <sys/syscall.h>
#include <string.h>
#include "util.h"
#include "syscall-list.h"
static const struct syscall_name* lookup_syscall(register const char *str,
register unsigned int len);
#include "syscall-to-name.h"
#include "syscall-from-name.h"
const char *syscall_to_name(int id) {
id = SYSCALL_TO_INDEX(id);
if (id < 0 || id >= (int) ELEMENTSOF(syscall_names))
return NULL;
return syscall_names[id];
}
int syscall_from_name(const char *name) {
const struct syscall_name *sc;
assert(name);
sc = lookup_syscall(name, strlen(name));
if (!sc)
return -1;
return sc->id;
}
int syscall_max(void) {
return ELEMENTSOF(syscall_names);
}
src/core/syscall-list.h
-41
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@@ -1,41 +0,0 @@
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2012 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/>.
***/
#if defined __x86_64__ && defined __ILP32__
/* The x32 ABI defines all of its syscalls with bit 30 set, which causes
issues when attempting to use syscalls as simple indices into an array.
Instead, use the syscall id & ~SYSCALL_MASK as the index, and | the
internal id with the syscall mask as needed.
*/
#include <asm/unistd.h>
#define SYSCALL_TO_INDEX(x) ((x) & ~__X32_SYSCALL_BIT)
#define INDEX_TO_SYSCALL(x) ((x) | __X32_SYSCALL_BIT)
#else
#define SYSCALL_TO_INDEX(x) (x)
#define INDEX_TO_SYSCALL(x) (x)
#endif
const char *syscall_to_name(int id);
int syscall_from_name(const char *name);
int syscall_max(void);