]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/shared/missing.h
journalctl: Allow to disable line cap with --lines=all
[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>
0830ba61 36#include <linux/if_link.h>
dd6c17b1
LP
37
38#ifdef HAVE_AUDIT
39#include <libaudit.h>
40#endif
b9f880f4 41
ad780f19
LP
42#include "macro.h"
43
d59d0a2b 44#ifdef ARCH_MIPS
45#include <asm/sgidefs.h>
46#endif
47
b9f880f4
LP
48#ifndef RLIMIT_RTTIME
49#define RLIMIT_RTTIME 15
50#endif
51
517d56b1
LP
52/* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
53#define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
54
4fd5948e
LP
55#ifndef F_LINUX_SPECIFIC_BASE
56#define F_LINUX_SPECIFIC_BASE 1024
57#endif
58
59#ifndef F_SETPIPE_SZ
60#define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
61#endif
62
63#ifndef F_GETPIPE_SZ
64#define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
65#endif
66
a6082d77
DM
67#ifndef F_ADD_SEALS
68#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
69#endif
70
71#ifndef F_GET_SEALS
72#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
73#endif
74
75#ifndef F_SEAL_SEAL
76#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
77#endif
78
79#ifndef F_SEAL_SHRINK
80#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
81#endif
82
83#ifndef F_SEAL_GROW
84#define F_SEAL_GROW 0x0004 /* prevent file from growing */
85#endif
86
87#ifndef F_SEAL_WRITE
88#define F_SEAL_WRITE 0x0008 /* prevent writes */
89#endif
90
91#ifndef MFD_ALLOW_SEALING
92#define MFD_ALLOW_SEALING 0x0002ULL
93#endif
94
16c42ce1
KS
95#ifndef IP_FREEBIND
96#define IP_FREEBIND 15
97#endif
98
dd6c17b1
LP
99#ifndef OOM_SCORE_ADJ_MIN
100#define OOM_SCORE_ADJ_MIN (-1000)
101#endif
102
103#ifndef OOM_SCORE_ADJ_MAX
104#define OOM_SCORE_ADJ_MAX 1000
105#endif
15ae422b 106
4927fcae 107#ifndef AUDIT_SERVICE_START
dd6c17b1 108#define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
4927fcae
LP
109#endif
110
111#ifndef AUDIT_SERVICE_STOP
dd6c17b1 112#define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
4927fcae
LP
113#endif
114
6ea832a2
LP
115#ifndef TIOCVHANGUP
116#define TIOCVHANGUP 0x5437
117#endif
118
b90865ba
KS
119#ifndef IP_TRANSPARENT
120#define IP_TRANSPARENT 19
121#endif
122
66269b05
TG
123#ifndef SOL_NETLINK
124#define SOL_NETLINK 270
125#endif
126
a8348796 127#if !HAVE_DECL_PIVOT_ROOT
dd6c17b1
LP
128static inline int pivot_root(const char *new_root, const char *put_old) {
129 return syscall(SYS_pivot_root, new_root, put_old);
130}
a8348796 131#endif
dd6c17b1 132
22be093f 133#ifdef __x86_64__
d59d0a2b 134# ifndef __NR_fanotify_init
135# define __NR_fanotify_init 300
136# endif
137# ifndef __NR_fanotify_mark
138# define __NR_fanotify_mark 301
139# endif
a6082d77
DM
140# ifndef __NR_memfd_create
141# define __NR_memfd_create 319
142# endif
143#elif defined __arm__
144# ifndef __NR_memfd_create
145# define __NR_memfd_create 385
146# endif
d59d0a2b 147#elif defined _MIPS_SIM
148# if _MIPS_SIM == _MIPS_SIM_ABI32
149# ifndef __NR_fanotify_init
150# define __NR_fanotify_init 4336
151# endif
152# ifndef __NR_fanotify_mark
153# define __NR_fanotify_mark 4337
154# endif
155# elif _MIPS_SIM == _MIPS_SIM_NABI32
156# ifndef __NR_fanotify_init
157# define __NR_fanotify_init 6300
158# endif
159# ifndef __NR_fanotify_mark
160# define __NR_fanotify_mark 6301
161# endif
162# elif _MIPS_SIM == _MIPS_SIM_ABI64
163# ifndef __NR_fanotify_init
164# define __NR_fanotify_init 5295
165# endif
166# ifndef __NR_fanotify_mark
167# define __NR_fanotify_mark 5296
168# endif
169# endif
a7d611f2 170# ifndef __NR_memfd_create
2de1851f
DM
171# warning "__NR_memfd_create not yet defined for MIPS"
172# define __NR_memfd_create 0xffffffff
a7d611f2 173# endif
22be093f 174#else
d59d0a2b 175# ifndef __NR_fanotify_init
176# define __NR_fanotify_init 338
177# endif
178# ifndef __NR_fanotify_mark
179# define __NR_fanotify_mark 339
180# endif
a6082d77
DM
181# ifndef __NR_memfd_create
182# define __NR_memfd_create 356
183# endif
22be093f
LP
184#endif
185
a8348796 186#ifndef HAVE_FANOTIFY_INIT
22be093f 187static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
05115020 188 return syscall(__NR_fanotify_init, flags, event_f_flags);
22be093f 189}
a8348796 190#endif
22be093f 191
a8348796 192#ifndef HAVE_FANOTIFY_MARK
05115020 193static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
22be093f 194 int dfd, const char *pathname) {
28f30cf2 195#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
e9c1ea9d 196 || defined __arm__ && !defined __aarch64__
373c23b2 197 union {
198 uint64_t _64;
199 uint32_t _32[2];
200 } _mask;
201 _mask._64 = mask;
202
203 return syscall(__NR_fanotify_mark, fanotify_fd, flags,
204 _mask._32[0], _mask._32[1], dfd, pathname);
205#else
05115020 206 return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
373c23b2 207#endif
22be093f 208}
a8348796 209#endif
22be093f 210
a6082d77 211#ifndef HAVE_MEMFD_CREATE
46327770
DM
212static inline int memfd_create(const char *name, uint64_t flags) {
213 return syscall(__NR_memfd_create, name, flags);
a6082d77
DM
214}
215#endif
216
4b357e15
MM
217#ifndef BTRFS_IOCTL_MAGIC
218#define BTRFS_IOCTL_MAGIC 0x94
219#endif
220
221#ifndef BTRFS_PATH_NAME_MAX
222#define BTRFS_PATH_NAME_MAX 4087
223#endif
224
225#ifndef BTRFS_DEVICE_PATH_NAME_MAX
226#define BTRFS_DEVICE_PATH_NAME_MAX 1024
227#endif
228
229#ifndef BTRFS_FSID_SIZE
230#define BTRFS_FSID_SIZE 16
231#endif
232
233#ifndef BTRFS_UUID_SIZE
234#define BTRFS_UUID_SIZE 16
235#endif
236
237#ifndef HAVE_LINUX_BTRFS_H
238struct btrfs_ioctl_vol_args {
239 int64_t fd;
240 char name[BTRFS_PATH_NAME_MAX + 1];
241};
242
243struct btrfs_ioctl_dev_info_args {
244 uint64_t devid; /* in/out */
245 uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
246 uint64_t bytes_used; /* out */
247 uint64_t total_bytes; /* out */
248 uint64_t unused[379]; /* pad to 4k */
249 char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
250};
251
252struct btrfs_ioctl_fs_info_args {
253 uint64_t max_id; /* out */
254 uint64_t num_devices; /* out */
255 uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
256 uint64_t reserved[124]; /* pad to 1k */
257};
258#endif
259
260#ifndef BTRFS_IOC_DEFRAG
7bed7f0e
ZJS
261#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
262 struct btrfs_ioctl_vol_args)
4b357e15
MM
263#endif
264
265#ifndef BTRFS_IOC_DEV_INFO
266#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
267 struct btrfs_ioctl_dev_info_args)
268#endif
269
270#ifndef BTRFS_IOC_FS_INFO
271#define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
7bed7f0e
ZJS
272 struct btrfs_ioctl_fs_info_args)
273#endif
274
275#ifndef BTRFS_IOC_DEVICES_READY
276#define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
277 struct btrfs_ioctl_vol_args)
4b357e15
MM
278#endif
279
746f8906
LP
280#ifndef BTRFS_SUPER_MAGIC
281#define BTRFS_SUPER_MAGIC 0x9123683E
282#endif
283
94d82985
LP
284#ifndef MS_MOVE
285#define MS_MOVE 8192
286#endif
287
7cb1094a
HH
288#ifndef MS_PRIVATE
289#define MS_PRIVATE (1 << 18)
290#endif
291
a8348796 292#if !HAVE_DECL_GETTID
4d14be09
LP
293static inline pid_t gettid(void) {
294 return (pid_t) syscall(SYS_gettid);
295}
a8348796 296#endif
4d14be09 297
54ecda32
LP
298#ifndef SCM_SECURITY
299#define SCM_SECURITY 0x03
300#endif
301
48ac500b
LP
302#ifndef MS_STRICTATIME
303#define MS_STRICTATIME (1<<24)
304#endif
305
a9621528
AM
306#ifndef MS_REC
307#define MS_REC 16384
308#endif
309
310#ifndef MS_SHARED
311#define MS_SHARED (1<<20)
312#endif
313
8351ceae
LP
314#ifndef PR_SET_NO_NEW_PRIVS
315#define PR_SET_NO_NEW_PRIVS 38
316#endif
d4447f4d
AK
317
318#ifndef PR_SET_CHILD_SUBREAPER
319#define PR_SET_CHILD_SUBREAPER 36
320#endif
a8348796
LP
321
322#ifndef MAX_HANDLE_SZ
323#define MAX_HANDLE_SZ 128
324#endif
325
66330455
LP
326#ifndef __NR_name_to_handle_at
327# if defined(__x86_64__)
848af055 328# define __NR_name_to_handle_at 303
66330455 329# elif defined(__i386__)
848af055 330# define __NR_name_to_handle_at 341
66330455 331# elif defined(__arm__)
f527b6b8 332# define __NR_name_to_handle_at 370
66330455 333# elif defined(__powerpc__)
f527b6b8 334# define __NR_name_to_handle_at 345
66330455
LP
335# else
336# error "__NR_name_to_handle_at is not defined"
f527b6b8 337# endif
a8348796
LP
338#endif
339
9388e99e 340#if !HAVE_DECL_NAME_TO_HANDLE_AT
a8348796
LP
341struct file_handle {
342 unsigned int handle_bytes;
343 int handle_type;
344 unsigned char f_handle[0];
345};
346
347static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
348 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
349}
350#endif
4db17f29
ZJS
351
352#ifndef HAVE_SECURE_GETENV
353# ifdef HAVE___SECURE_GETENV
354# define secure_getenv __secure_getenv
355# else
66330455 356# error "neither secure_getenv nor __secure_getenv are available"
4db17f29
ZJS
357# endif
358#endif
85210bff
LP
359
360#ifndef CIFS_MAGIC_NUMBER
65b3903f 361# define CIFS_MAGIC_NUMBER 0xFF534D42
85210bff 362#endif
8742514c
LP
363
364#ifndef TFD_TIMER_CANCEL_ON_SET
65b3903f 365# define TFD_TIMER_CANCEL_ON_SET (1 << 1)
8742514c 366#endif
f7db7a69
SL
367
368#ifndef SO_REUSEPORT
65b3903f 369# define SO_REUSEPORT 15
f7db7a69 370#endif
118ecf32
DH
371
372#ifndef EVIOCREVOKE
65b3903f 373# define EVIOCREVOKE _IOW('E', 0x91, int)
118ecf32
DH
374#endif
375
376#ifndef DRM_IOCTL_SET_MASTER
65b3903f 377# define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
118ecf32
DH
378#endif
379
380#ifndef DRM_IOCTL_DROP_MASTER
65b3903f
ZJS
381# define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
382#endif
383
c09918f9
LP
384#if defined(__i386__) || defined(__x86_64__)
385
386/* The precise definition of __O_TMPFILE is arch specific, so let's
387 * just define this on x86 where we know the value. */
388
389#ifndef __O_TMPFILE
390#define __O_TMPFILE 020000000
391#endif
392
393/* a horrid kludge trying to make sure that this will fail on old kernels */
394#ifndef O_TMPFILE
395#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
396#endif
397
398#endif
3b794314
HS
399
400#ifndef __NR_setns
401# if defined(__x86_64__)
402# define __NR_setns 308
403# elif defined(__i386__)
404# define __NR_setns 346
405# else
406# error "__NR_setns is not defined"
407# endif
408#endif
409
410#if !HAVE_DECL_SETNS
411static inline int setns(int fd, int nstype) {
412 return syscall(__NR_setns, fd, nstype);
413}
414#endif
5f381b35
LP
415
416#if !HAVE_DECL_LO_FLAGS_PARTSCAN
417#define LO_FLAGS_PARTSCAN 8
418#endif
a853c45d
LP
419
420#ifndef LOOP_CTL_REMOVE
421#define LOOP_CTL_REMOVE 0x4C81
422#endif
423
424#ifndef LOOP_CTL_GET_FREE
425#define LOOP_CTL_GET_FREE 0x4C82
426#endif
0830ba61 427
75616a13
ZJS
428#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
429#define IFLA_MACVLAN_UNSPEC 0
430#define IFLA_MACVLAN_MODE 1
431#define IFLA_MACVLAN_FLAGS 2
432#define __IFLA_MACVLAN_MAX 3
433
434#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
435#endif
436
6589d0db
JAS
437#if !HAVE_DECL_IFLA_VTI_REMOTE
438#define IFLA_VTI_UNSPEC 0
439#define IFLA_VTI_LINK 1
440#define IFLA_VTI_IKEY 2
441#define IFLA_VTI_OKEY 3
442#define IFLA_VTI_LOCAL 4
443#define IFLA_VTI_REMOTE 5
444#define __IFLA_VTI_MAX 6
445
446#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
447#endif
448
81577dc2
ZJS
449#if !HAVE_DECL_IFLA_PHYS_PORT_ID
450#undef IFLA_PROMISCUITY
451#define IFLA_PROMISCUITY 30
452#define IFLA_NUM_TX_QUEUES 31
453#define IFLA_NUM_RX_QUEUES 32
454#define IFLA_CARRIER 33
455#define IFLA_PHYS_PORT_ID 34
456#define __IFLA_MAX 35
457
458#define IFLA_MAX (__IFLA_MAX - 1)
459#endif
460
461#if !HAVE_DECL_IFLA_BOND_AD_INFO
462#define IFLA_BOND_UNSPEC 0
463#define IFLA_BOND_MODE 1
464#define IFLA_BOND_ACTIVE_SLAVE 2
465#define IFLA_BOND_MIIMON 3
466#define IFLA_BOND_UPDELAY 4
467#define IFLA_BOND_DOWNDELAY 5
468#define IFLA_BOND_USE_CARRIER 6
469#define IFLA_BOND_ARP_INTERVAL 7
470#define IFLA_BOND_ARP_IP_TARGET 8
471#define IFLA_BOND_ARP_VALIDATE 9
472#define IFLA_BOND_ARP_ALL_TARGETS 10
473#define IFLA_BOND_PRIMARY 11
474#define IFLA_BOND_PRIMARY_RESELECT 12
475#define IFLA_BOND_FAIL_OVER_MAC 13
476#define IFLA_BOND_XMIT_HASH_POLICY 14
477#define IFLA_BOND_RESEND_IGMP 15
478#define IFLA_BOND_NUM_PEER_NOTIF 16
479#define IFLA_BOND_ALL_SLAVES_ACTIVE 17
480#define IFLA_BOND_MIN_LINKS 18
481#define IFLA_BOND_LP_INTERVAL 19
482#define IFLA_BOND_PACKETS_PER_SLAVE 20
483#define IFLA_BOND_AD_LACP_RATE 21
484#define IFLA_BOND_AD_SELECT 22
485#define IFLA_BOND_AD_INFO 23
486#define __IFLA_BOND_MAX 24
0830ba61
ZJS
487
488#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
489#endif
81577dc2
ZJS
490
491#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
492#define IFLA_VLAN_UNSPEC 0
493#define IFLA_VLAN_ID 1
494#define IFLA_VLAN_FLAGS 2
495#define IFLA_VLAN_EGRESS_QOS 3
496#define IFLA_VLAN_INGRESS_QOS 4
497#define IFLA_VLAN_PROTOCOL 5
498#define __IFLA_VLAN_MAX 6
499
500#define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
501#endif
502
503#if !HAVE_DECL_IFLA_VXLAN_LOCAL6
504#define IFLA_VXLAN_UNSPEC 0
505#define IFLA_VXLAN_ID 1
506#define IFLA_VXLAN_GROUP 2
507#define IFLA_VXLAN_LINK 3
508#define IFLA_VXLAN_LOCAL 4
509#define IFLA_VXLAN_TTL 5
510#define IFLA_VXLAN_TOS 6
511#define IFLA_VXLAN_LEARNING 7
512#define IFLA_VXLAN_AGEING 8
513#define IFLA_VXLAN_LIMIT 9
514#define IFLA_VXLAN_PORT_RANGE 10
515#define IFLA_VXLAN_PROXY 11
516#define IFLA_VXLAN_RSC 12
517#define IFLA_VXLAN_L2MISS 13
518#define IFLA_VXLAN_L3MISS 14
519#define IFLA_VXLAN_PORT 15
520#define IFLA_VXLAN_GROUP6 16
521#define IFLA_VXLAN_LOCAL6 17
522#define __IFLA_VXLAN_MAX 18
523
524#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
525#endif
526
527#if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
528#define IFLA_IPTUN_UNSPEC 0
529#define IFLA_IPTUN_LINK 1
530#define IFLA_IPTUN_LOCAL 2
531#define IFLA_IPTUN_REMOTE 3
532#define IFLA_IPTUN_TTL 4
533#define IFLA_IPTUN_TOS 5
534#define IFLA_IPTUN_ENCAP_LIMIT 6
535#define IFLA_IPTUN_FLOWINFO 7
536#define IFLA_IPTUN_FLAGS 8
537#define IFLA_IPTUN_PROTO 9
538#define IFLA_IPTUN_PMTUDISC 10
539#define IFLA_IPTUN_6RD_PREFIX 11
540#define IFLA_IPTUN_6RD_RELAY_PREFIX 12
541#define IFLA_IPTUN_6RD_PREFIXLEN 13
542#define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
543#define __IFLA_IPTUN_MAX 15
544
545#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
546#endif
547
548#if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
549#define IFLA_BRIDGE_FLAGS 0
550#define IFLA_BRIDGE_MODE 1
551#define IFLA_BRIDGE_VLAN_INFO 2
552#define __IFLA_BRIDGE_MAX 3
553
554#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
555#endif
623a4c97
LP
556
557#ifndef IPV6_UNICAST_IF
558#define IPV6_UNICAST_IF 76
559#endif
ec2c5e43
LP
560
561#ifndef IFF_LOWER_UP
562#define IFF_LOWER_UP 0x10000
563#endif
564
565#ifndef IFF_DORMANT
566#define IFF_DORMANT 0x20000
567#endif
91988149
LP
568
569#ifndef BOND_XMIT_POLICY_ENCAP23
570#define BOND_XMIT_POLICY_ENCAP23 3
571#endif
572
573#ifndef BOND_XMIT_POLICY_ENCAP34
574#define BOND_XMIT_POLICY_ENCAP34 4
575#endif
04b67d49
TG
576
577#ifndef NET_ADDR_RANDOM
578# define NET_ADDR_RANDOM 1
579#endif
580
581#ifndef NET_NAME_ENUM
582# define NET_NAME_ENUM 1
583#endif
584
585#ifndef NET_NAME_PREDICTABLE
586# define NET_NAME_PREDICTABLE 2
587#endif
588
589#ifndef NET_NAME_USER
590# define NET_NAME_USER 3
591#endif
592
593#ifndef NET_NAME_RENAMED
594# define NET_NAME_RENAMED 4
595#endif
7965435e
MO
596
597#ifndef BPF_XOR
598# define BPF_XOR 0xa0
599#endif