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util: minor simplification for loop_write() and loop_read()
[thirdparty/systemd.git] / src / shared / missing.h
CommitLineData
03467c88 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
15ae422b 2
c2f1db8f 3#pragma once
b9f880f4 4
15ae422b
LP
5/***
6 This file is part of systemd.
7
8 Copyright 2010 Lennart Poettering
9
10 systemd is free software; you can redistribute it and/or modify it
5430f7f2
LP
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
15ae422b
LP
13 (at your option) any later version.
14
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5430f7f2 18 Lesser General Public License for more details.
15ae422b 19
5430f7f2 20 You should have received a copy of the GNU Lesser General Public License
15ae422b
LP
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22***/
23
b9f880f4
LP
24/* Missing glibc definitions to access certain kernel APIs */
25
26#include <sys/resource.h>
15ae422b 27#include <sys/syscall.h>
16c42ce1 28#include <fcntl.h>
4db17f29 29#include <stdlib.h>
82c121a4 30#include <unistd.h>
3b794314 31#include <errno.h>
dd6c17b1 32#include <linux/oom.h>
118ecf32 33#include <linux/input.h>
d5eff740 34#include <linux/if_link.h>
a853c45d 35#include <linux/loop.h>
875c2e22 36#include <linux/audit.h>
2822da4f 37#include <linux/capability.h>
dd6c17b1
LP
38
39#ifdef HAVE_AUDIT
40#include <libaudit.h>
41#endif
b9f880f4 42
d59d0a2b 43#ifdef ARCH_MIPS
44#include <asm/sgidefs.h>
45#endif
46
a60e9f7f
LP
47#include "macro.h"
48
b9f880f4
LP
49#ifndef RLIMIT_RTTIME
50#define RLIMIT_RTTIME 15
51#endif
52
517d56b1
LP
53/* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
54#define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
55
4fd5948e
LP
56#ifndef F_LINUX_SPECIFIC_BASE
57#define F_LINUX_SPECIFIC_BASE 1024
58#endif
59
60#ifndef F_SETPIPE_SZ
61#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
62#endif
63
64#ifndef F_GETPIPE_SZ
65#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
66#endif
67
a6082d77
DM
68#ifndef F_ADD_SEALS
69#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
a6082d77 70#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
a6082d77 71
a6082d77 72#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
a6082d77 73#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
a6082d77 74#define F_SEAL_GROW 0x0004 /* prevent file from growing */
a6082d77
DM
75#define F_SEAL_WRITE 0x0008 /* prevent writes */
76#endif
77
78#ifndef MFD_ALLOW_SEALING
45071fca
LP
79#define MFD_ALLOW_SEALING 0x0002U
80#endif
81
82#ifndef MFD_CLOEXEC
83#define MFD_CLOEXEC 0x0001U
a6082d77
DM
84#endif
85
16c42ce1
KS
86#ifndef IP_FREEBIND
87#define IP_FREEBIND 15
88#endif
89
dd6c17b1
LP
90#ifndef OOM_SCORE_ADJ_MIN
91#define OOM_SCORE_ADJ_MIN (-1000)
92#endif
93
94#ifndef OOM_SCORE_ADJ_MAX
95#define OOM_SCORE_ADJ_MAX 1000
96#endif
15ae422b 97
4927fcae 98#ifndef AUDIT_SERVICE_START
dd6c17b1 99#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
4927fcae
LP
100#endif
101
102#ifndef AUDIT_SERVICE_STOP
dd6c17b1 103#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
4927fcae
LP
104#endif
105
6ea832a2
LP
106#ifndef TIOCVHANGUP
107#define TIOCVHANGUP 0x5437
108#endif
109
b90865ba
KS
110#ifndef IP_TRANSPARENT
111#define IP_TRANSPARENT 19
112#endif
113
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TG
114#ifndef SOL_NETLINK
115#define SOL_NETLINK 270
116#endif
117
a8348796 118#if !HAVE_DECL_PIVOT_ROOT
dd6c17b1
LP
119static inline int pivot_root(const char *new_root, const char *put_old) {
120 return syscall(SYS_pivot_root, new_root, put_old);
121}
a8348796 122#endif
dd6c17b1 123
b244d9f3
LP
124#ifndef __NR_memfd_create
125# if defined __x86_64__
a6082d77 126# define __NR_memfd_create 319
b244d9f3 127# elif defined __arm__
a6082d77 128# define __NR_memfd_create 385
b244d9f3 129# elif defined _MIPS_SIM
e6c01902
VOR
130# if _MIPS_SIM == _MIPS_SIM_ABI32
131# define __NR_memfd_create 4354
132# endif
133# if _MIPS_SIM == _MIPS_SIM_NABI32
134# define __NR_memfd_create 6318
135# endif
136# if _MIPS_SIM == _MIPS_SIM_ABI64
137# define __NR_memfd_create 5314
138# endif
03e8fdb3 139# elif defined __i386__
a6082d77 140# define __NR_memfd_create 356
03e8fdb3
DH
141# else
142# warning "__NR_memfd_create unknown for your architecture"
143# define __NR_memfd_create 0xffffffff
a6082d77 144# endif
22be093f
LP
145#endif
146
a6082d77 147#ifndef HAVE_MEMFD_CREATE
06b7f7bd 148static inline int memfd_create(const char *name, unsigned int flags) {
46327770 149 return syscall(__NR_memfd_create, name, flags);
a6082d77
DM
150}
151#endif
152
539618a0
LP
153#ifndef __NR_getrandom
154# if defined __x86_64__
74a550c5 155# define __NR_getrandom 318
568981d2
ZJS
156# elif defined(__i386__)
157# define __NR_getrandom 355
158# elif defined(__arm__) || defined(__aarch64__)
159# define __NR_getrandom 384
160# elif defined(__ia64__)
161# define __NR_getrandom 1339
162# elif defined(__m68k__)
163# define __NR_getrandom 352
164# elif defined(__s390x__)
165# define __NR_getrandom 349
539618a0
LP
166# else
167# warning "__NR_getrandom unknown for your architecture"
168# define __NR_getrandom 0xffffffff
169# endif
170#endif
171
172#if !HAVE_DECL_GETRANDOM
173static inline int getrandom(void *buffer, size_t count, unsigned flags) {
174 return syscall(__NR_getrandom, buffer, count, flags);
175}
176#endif
177
97768fc5
LP
178#ifndef GRND_NONBLOCK
179#define GRND_NONBLOCK 0x0001
180#endif
181
182#ifndef GRND_RANDOM
183#define GRND_RANDOM 0x0002
184#endif
185
4b357e15
MM
186#ifndef BTRFS_IOCTL_MAGIC
187#define BTRFS_IOCTL_MAGIC 0x94
188#endif
189
190#ifndef BTRFS_PATH_NAME_MAX
191#define BTRFS_PATH_NAME_MAX 4087
192#endif
193
194#ifndef BTRFS_DEVICE_PATH_NAME_MAX
195#define BTRFS_DEVICE_PATH_NAME_MAX 1024
196#endif
197
198#ifndef BTRFS_FSID_SIZE
199#define BTRFS_FSID_SIZE 16
200#endif
201
202#ifndef BTRFS_UUID_SIZE
203#define BTRFS_UUID_SIZE 16
204#endif
205
206#ifndef HAVE_LINUX_BTRFS_H
207struct btrfs_ioctl_vol_args {
208 int64_t fd;
209 char name[BTRFS_PATH_NAME_MAX + 1];
210};
211
212struct btrfs_ioctl_dev_info_args {
213 uint64_t devid; /* in/out */
214 uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
215 uint64_t bytes_used; /* out */
216 uint64_t total_bytes; /* out */
217 uint64_t unused[379]; /* pad to 4k */
218 char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
219};
220
221struct btrfs_ioctl_fs_info_args {
222 uint64_t max_id; /* out */
223 uint64_t num_devices; /* out */
224 uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
225 uint64_t reserved[124]; /* pad to 1k */
226};
227#endif
228
229#ifndef BTRFS_IOC_DEFRAG
7bed7f0e
ZJS
230#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
231 struct btrfs_ioctl_vol_args)
4b357e15
MM
232#endif
233
234#ifndef BTRFS_IOC_DEV_INFO
235#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
236 struct btrfs_ioctl_dev_info_args)
237#endif
238
239#ifndef BTRFS_IOC_FS_INFO
240#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
7bed7f0e
ZJS
241 struct btrfs_ioctl_fs_info_args)
242#endif
243
244#ifndef BTRFS_IOC_DEVICES_READY
245#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
246 struct btrfs_ioctl_vol_args)
4b357e15
MM
247#endif
248
746f8906
LP
249#ifndef BTRFS_SUPER_MAGIC
250#define BTRFS_SUPER_MAGIC 0x9123683E
251#endif
252
94d82985
LP
253#ifndef MS_MOVE
254#define MS_MOVE 8192
255#endif
256
7cb1094a
HH
257#ifndef MS_PRIVATE
258#define MS_PRIVATE (1 << 18)
259#endif
260
a8348796 261#if !HAVE_DECL_GETTID
4d14be09
LP
262static inline pid_t gettid(void) {
263 return (pid_t) syscall(SYS_gettid);
264}
a8348796 265#endif
4d14be09 266
54ecda32
LP
267#ifndef SCM_SECURITY
268#define SCM_SECURITY 0x03
269#endif
270
48ac500b
LP
271#ifndef MS_STRICTATIME
272#define MS_STRICTATIME (1<<24)
273#endif
274
a9621528
AM
275#ifndef MS_REC
276#define MS_REC 16384
277#endif
278
279#ifndef MS_SHARED
280#define MS_SHARED (1<<20)
281#endif
282
8351ceae
LP
283#ifndef PR_SET_NO_NEW_PRIVS
284#define PR_SET_NO_NEW_PRIVS 38
285#endif
d4447f4d
AK
286
287#ifndef PR_SET_CHILD_SUBREAPER
288#define PR_SET_CHILD_SUBREAPER 36
289#endif
a8348796
LP
290
291#ifndef MAX_HANDLE_SZ
292#define MAX_HANDLE_SZ 128
293#endif
294
66330455
LP
295#ifndef __NR_name_to_handle_at
296# if defined(__x86_64__)
848af055 297# define __NR_name_to_handle_at 303
66330455 298# elif defined(__i386__)
848af055 299# define __NR_name_to_handle_at 341
66330455 300# elif defined(__arm__)
f527b6b8 301# define __NR_name_to_handle_at 370
66330455 302# elif defined(__powerpc__)
f527b6b8 303# define __NR_name_to_handle_at 345
66330455
LP
304# else
305# error "__NR_name_to_handle_at is not defined"
f527b6b8 306# endif
a8348796
LP
307#endif
308
9388e99e 309#if !HAVE_DECL_NAME_TO_HANDLE_AT
a8348796
LP
310struct file_handle {
311 unsigned int handle_bytes;
312 int handle_type;
313 unsigned char f_handle[0];
314};
315
316static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
317 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
318}
319#endif
4db17f29
ZJS
320
321#ifndef HAVE_SECURE_GETENV
322# ifdef HAVE___SECURE_GETENV
323# define secure_getenv __secure_getenv
324# else
66330455 325# error "neither secure_getenv nor __secure_getenv are available"
4db17f29
ZJS
326# endif
327#endif
85210bff
LP
328
329#ifndef CIFS_MAGIC_NUMBER
65b3903f 330# define CIFS_MAGIC_NUMBER 0xFF534D42
85210bff 331#endif
8742514c
LP
332
333#ifndef TFD_TIMER_CANCEL_ON_SET
65b3903f 334# define TFD_TIMER_CANCEL_ON_SET (1 << 1)
8742514c 335#endif
f7db7a69
SL
336
337#ifndef SO_REUSEPORT
65b3903f 338# define SO_REUSEPORT 15
f7db7a69 339#endif
118ecf32
DH
340
341#ifndef EVIOCREVOKE
65b3903f 342# define EVIOCREVOKE _IOW('E', 0x91, int)
118ecf32
DH
343#endif
344
345#ifndef DRM_IOCTL_SET_MASTER
65b3903f 346# define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
118ecf32
DH
347#endif
348
349#ifndef DRM_IOCTL_DROP_MASTER
65b3903f
ZJS
350# define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
351#endif
352
c09918f9
LP
353#if defined(__i386__) || defined(__x86_64__)
354
355/* The precise definition of __O_TMPFILE is arch specific, so let's
356 * just define this on x86 where we know the value. */
357
358#ifndef __O_TMPFILE
359#define __O_TMPFILE 020000000
360#endif
361
362/* a horrid kludge trying to make sure that this will fail on old kernels */
363#ifndef O_TMPFILE
364#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
365#endif
366
367#endif
3b794314
HS
368
369#ifndef __NR_setns
370# if defined(__x86_64__)
371# define __NR_setns 308
372# elif defined(__i386__)
373# define __NR_setns 346
374# else
375# error "__NR_setns is not defined"
376# endif
377#endif
378
379#if !HAVE_DECL_SETNS
380static inline int setns(int fd, int nstype) {
381 return syscall(__NR_setns, fd, nstype);
382}
383#endif
5f381b35
LP
384
385#if !HAVE_DECL_LO_FLAGS_PARTSCAN
386#define LO_FLAGS_PARTSCAN 8
387#endif
a853c45d
LP
388
389#ifndef LOOP_CTL_REMOVE
390#define LOOP_CTL_REMOVE 0x4C81
391#endif
392
393#ifndef LOOP_CTL_GET_FREE
394#define LOOP_CTL_GET_FREE 0x4C82
395#endif
0830ba61 396
75616a13
ZJS
397#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
398#define IFLA_MACVLAN_UNSPEC 0
399#define IFLA_MACVLAN_MODE 1
400#define IFLA_MACVLAN_FLAGS 2
401#define __IFLA_MACVLAN_MAX 3
402
403#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
404#endif
405
6589d0db
JAS
406#if !HAVE_DECL_IFLA_VTI_REMOTE
407#define IFLA_VTI_UNSPEC 0
408#define IFLA_VTI_LINK 1
409#define IFLA_VTI_IKEY 2
410#define IFLA_VTI_OKEY 3
411#define IFLA_VTI_LOCAL 4
412#define IFLA_VTI_REMOTE 5
413#define __IFLA_VTI_MAX 6
414
415#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
416#endif
417
81577dc2
ZJS
418#if !HAVE_DECL_IFLA_PHYS_PORT_ID
419#undef IFLA_PROMISCUITY
420#define IFLA_PROMISCUITY 30
421#define IFLA_NUM_TX_QUEUES 31
422#define IFLA_NUM_RX_QUEUES 32
423#define IFLA_CARRIER 33
424#define IFLA_PHYS_PORT_ID 34
425#define __IFLA_MAX 35
426
427#define IFLA_MAX (__IFLA_MAX - 1)
428#endif
429
430#if !HAVE_DECL_IFLA_BOND_AD_INFO
431#define IFLA_BOND_UNSPEC 0
432#define IFLA_BOND_MODE 1
433#define IFLA_BOND_ACTIVE_SLAVE 2
434#define IFLA_BOND_MIIMON 3
435#define IFLA_BOND_UPDELAY 4
436#define IFLA_BOND_DOWNDELAY 5
437#define IFLA_BOND_USE_CARRIER 6
438#define IFLA_BOND_ARP_INTERVAL 7
439#define IFLA_BOND_ARP_IP_TARGET 8
440#define IFLA_BOND_ARP_VALIDATE 9
441#define IFLA_BOND_ARP_ALL_TARGETS 10
442#define IFLA_BOND_PRIMARY 11
443#define IFLA_BOND_PRIMARY_RESELECT 12
444#define IFLA_BOND_FAIL_OVER_MAC 13
445#define IFLA_BOND_XMIT_HASH_POLICY 14
446#define IFLA_BOND_RESEND_IGMP 15
447#define IFLA_BOND_NUM_PEER_NOTIF 16
448#define IFLA_BOND_ALL_SLAVES_ACTIVE 17
449#define IFLA_BOND_MIN_LINKS 18
450#define IFLA_BOND_LP_INTERVAL 19
451#define IFLA_BOND_PACKETS_PER_SLAVE 20
452#define IFLA_BOND_AD_LACP_RATE 21
453#define IFLA_BOND_AD_SELECT 22
454#define IFLA_BOND_AD_INFO 23
455#define __IFLA_BOND_MAX 24
0830ba61 456
79306206 457#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
0830ba61 458#endif
81577dc2
ZJS
459
460#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
461#define IFLA_VLAN_UNSPEC 0
462#define IFLA_VLAN_ID 1
463#define IFLA_VLAN_FLAGS 2
464#define IFLA_VLAN_EGRESS_QOS 3
465#define IFLA_VLAN_INGRESS_QOS 4
466#define IFLA_VLAN_PROTOCOL 5
467#define __IFLA_VLAN_MAX 6
468
469#define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
470#endif
471
472#if !HAVE_DECL_IFLA_VXLAN_LOCAL6
473#define IFLA_VXLAN_UNSPEC 0
474#define IFLA_VXLAN_ID 1
475#define IFLA_VXLAN_GROUP 2
476#define IFLA_VXLAN_LINK 3
477#define IFLA_VXLAN_LOCAL 4
478#define IFLA_VXLAN_TTL 5
479#define IFLA_VXLAN_TOS 6
480#define IFLA_VXLAN_LEARNING 7
481#define IFLA_VXLAN_AGEING 8
482#define IFLA_VXLAN_LIMIT 9
483#define IFLA_VXLAN_PORT_RANGE 10
484#define IFLA_VXLAN_PROXY 11
485#define IFLA_VXLAN_RSC 12
486#define IFLA_VXLAN_L2MISS 13
487#define IFLA_VXLAN_L3MISS 14
488#define IFLA_VXLAN_PORT 15
489#define IFLA_VXLAN_GROUP6 16
490#define IFLA_VXLAN_LOCAL6 17
491#define __IFLA_VXLAN_MAX 18
492
493#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
494#endif
495
496#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
497#define IFLA_IPTUN_UNSPEC 0
498#define IFLA_IPTUN_LINK 1
499#define IFLA_IPTUN_LOCAL 2
500#define IFLA_IPTUN_REMOTE 3
501#define IFLA_IPTUN_TTL 4
502#define IFLA_IPTUN_TOS 5
503#define IFLA_IPTUN_ENCAP_LIMIT 6
504#define IFLA_IPTUN_FLOWINFO 7
505#define IFLA_IPTUN_FLAGS 8
506#define IFLA_IPTUN_PROTO 9
507#define IFLA_IPTUN_PMTUDISC 10
508#define IFLA_IPTUN_6RD_PREFIX 11
509#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
510#define IFLA_IPTUN_6RD_PREFIXLEN 13
511#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
512#define __IFLA_IPTUN_MAX 15
513
514#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
515#endif
516
517#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
518#define IFLA_BRIDGE_FLAGS 0
519#define IFLA_BRIDGE_MODE 1
520#define IFLA_BRIDGE_VLAN_INFO 2
521#define __IFLA_BRIDGE_MAX 3
522
523#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
524#endif
623a4c97 525
8ecec322
ZJS
526#if !HAVE_DECL_IFLA_BRPORT_UNICAST_FLOOD
527#define IFLA_BRPORT_UNSPEC 0
528#define IFLA_BRPORT_STATE 1
529#define IFLA_BRPORT_PRIORITY 2
530#define IFLA_BRPORT_COST 3
531#define IFLA_BRPORT_MODE 4
532#define IFLA_BRPORT_GUARD 5
533#define IFLA_BRPORT_PROTECT 6
534#define IFLA_BRPORT_FAST_LEAVE 7
535#define IFLA_BRPORT_LEARNING 8
536#define IFLA_BRPORT_UNICAST_FLOOD 9
537#define __IFLA_BRPORT_MAX 10
538
539#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
540#endif
541
623a4c97
LP
542#ifndef IPV6_UNICAST_IF
543#define IPV6_UNICAST_IF 76
544#endif
ec2c5e43 545
04d180c8
TG
546#ifndef IFF_MULTI_QUEUE
547#define IFF_MULTI_QUEUE 0x100
548#endif
549
ec2c5e43
LP
550#ifndef IFF_LOWER_UP
551#define IFF_LOWER_UP 0x10000
552#endif
553
554#ifndef IFF_DORMANT
555#define IFF_DORMANT 0x20000
556#endif
91988149
LP
557
558#ifndef BOND_XMIT_POLICY_ENCAP23
559#define BOND_XMIT_POLICY_ENCAP23 3
560#endif
561
562#ifndef BOND_XMIT_POLICY_ENCAP34
563#define BOND_XMIT_POLICY_ENCAP34 4
564#endif
04b67d49
TG
565
566#ifndef NET_ADDR_RANDOM
567# define NET_ADDR_RANDOM 1
568#endif
569
1cb636d9
CW
570#ifndef NET_NAME_UNKNOWN
571# define NET_NAME_UNKNOWN 0
572#endif
573
04b67d49
TG
574#ifndef NET_NAME_ENUM
575# define NET_NAME_ENUM 1
576#endif
577
578#ifndef NET_NAME_PREDICTABLE
579# define NET_NAME_PREDICTABLE 2
580#endif
581
582#ifndef NET_NAME_USER
583# define NET_NAME_USER 3
584#endif
585
586#ifndef NET_NAME_RENAMED
587# define NET_NAME_RENAMED 4
588#endif
7965435e
MO
589
590#ifndef BPF_XOR
591# define BPF_XOR 0xa0
592#endif
a5f03596
LP
593
594/* Note that LOOPBACK_IFINDEX is currently not exported by the
595 * kernel/glibc, but hardcoded internally by the kernel. However, as
596 * it is exported to userspace indirectly via rtnetlink and the
597 * ioctls, and made use of widely we define it here too, in a way that
598 * is compatible with the kernel's internal definition. */
599#ifndef LOOPBACK_IFINDEX
600#define LOOPBACK_IFINDEX 1
601#endif
875c2e22
LP
602
603#ifndef MAX_AUDIT_MESSAGE_LENGTH
604#define MAX_AUDIT_MESSAGE_LENGTH 8970
605#endif
606
607#ifndef AUDIT_NLGRP_MAX
608#define AUDIT_NLGRP_READLOG 1
609#endif
2822da4f
LP
610
611#ifndef CAP_MAC_OVERRIDE
612#define CAP_MAC_OVERRIDE 32
613#endif
614
615#ifndef CAP_MAC_ADMIN
616#define CAP_MAC_ADMIN 33
617#endif
618
619#ifndef CAP_SYSLOG
620#define CAP_SYSLOG 34
621#endif
622
623#ifndef CAP_WAKE_ALARM
624#define CAP_WAKE_ALARM 35
625#endif
626
627#ifndef CAP_BLOCK_SUSPEND
628#define CAP_BLOCK_SUSPEND 36
629#endif
630
631#ifndef CAP_AUDIT_READ
632#define CAP_AUDIT_READ 37
633#endif