1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
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
13 (at your option) any later version.
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
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 /* Missing glibc definitions to access certain kernel APIs */
28 #include <linux/audit.h>
29 #include <linux/capability.h>
30 #include <linux/if_link.h>
31 #include <linux/input.h>
32 #include <linux/loop.h>
33 #include <linux/neighbour.h>
34 #include <linux/oom.h>
35 #include <linux/rtnetlink.h>
37 #include <sys/resource.h>
38 #include <sys/syscall.h>
46 #include <asm/sgidefs.h>
49 #ifdef HAVE_LINUX_BTRFS_H
50 #include <linux/btrfs.h>
56 #define RLIMIT_RTTIME 15
59 /* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
60 #define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
62 #ifndef F_LINUX_SPECIFIC_BASE
63 #define F_LINUX_SPECIFIC_BASE 1024
67 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
71 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
75 #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
76 #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
78 #define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
79 #define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
80 #define F_SEAL_GROW 0x0004 /* prevent file from growing */
81 #define F_SEAL_WRITE 0x0008 /* prevent writes */
85 #define F_OFD_GETLK 36
86 #define F_OFD_SETLK 37
87 #define F_OFD_SETLKW 38
90 #ifndef MFD_ALLOW_SEALING
91 #define MFD_ALLOW_SEALING 0x0002U
95 #define MFD_CLOEXEC 0x0001U
99 #define IP_FREEBIND 15
102 #ifndef OOM_SCORE_ADJ_MIN
103 #define OOM_SCORE_ADJ_MIN (-1000)
106 #ifndef OOM_SCORE_ADJ_MAX
107 #define OOM_SCORE_ADJ_MAX 1000
110 #ifndef AUDIT_SERVICE_START
111 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
114 #ifndef AUDIT_SERVICE_STOP
115 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
119 #define TIOCVHANGUP 0x5437
122 #ifndef IP_TRANSPARENT
123 #define IP_TRANSPARENT 19
127 #define SOL_NETLINK 270
130 #ifndef NETLINK_LIST_MEMBERSHIPS
131 #define NETLINK_LIST_MEMBERSHIPS 9
134 #if !HAVE_DECL_PIVOT_ROOT
135 static inline int pivot_root(const char *new_root, const char *put_old) {
136 return syscall(SYS_pivot_root, new_root, put_old);
140 #ifndef __NR_memfd_create
141 # if defined __x86_64__
142 # define __NR_memfd_create 319
143 # elif defined __arm__
144 # define __NR_memfd_create 385
145 # elif defined __aarch64__
146 # define __NR_memfd_create 279
147 # elif defined __s390__
148 # define __NR_memfd_create 350
149 # elif defined _MIPS_SIM
150 # if _MIPS_SIM == _MIPS_SIM_ABI32
151 # define __NR_memfd_create 4354
153 # if _MIPS_SIM == _MIPS_SIM_NABI32
154 # define __NR_memfd_create 6318
156 # if _MIPS_SIM == _MIPS_SIM_ABI64
157 # define __NR_memfd_create 5314
159 # elif defined __i386__
160 # define __NR_memfd_create 356
162 # warning "__NR_memfd_create unknown for your architecture"
163 # define __NR_memfd_create 0xffffffff
167 #ifndef HAVE_MEMFD_CREATE
168 static inline int memfd_create(const char *name, unsigned int flags) {
169 return syscall(__NR_memfd_create, name, flags);
173 #ifndef __NR_getrandom
174 # if defined __x86_64__
175 # define __NR_getrandom 318
176 # elif defined(__i386__)
177 # define __NR_getrandom 355
178 # elif defined(__arm__)
179 # define __NR_getrandom 384
180 # elif defined(__aarch64__)
181 # define __NR_getrandom 278
182 # elif defined(__ia64__)
183 # define __NR_getrandom 1339
184 # elif defined(__m68k__)
185 # define __NR_getrandom 352
186 # elif defined(__s390x__)
187 # define __NR_getrandom 349
188 # elif defined(__powerpc__)
189 # define __NR_getrandom 359
190 # elif defined _MIPS_SIM
191 # if _MIPS_SIM == _MIPS_SIM_ABI32
192 # define __NR_getrandom 4353
194 # if _MIPS_SIM == _MIPS_SIM_NABI32
195 # define __NR_getrandom 6317
197 # if _MIPS_SIM == _MIPS_SIM_ABI64
198 # define __NR_getrandom 5313
201 # warning "__NR_getrandom unknown for your architecture"
202 # define __NR_getrandom 0xffffffff
206 #if !HAVE_DECL_GETRANDOM
207 static inline int getrandom(void *buffer, size_t count, unsigned flags) {
208 return syscall(__NR_getrandom, buffer, count, flags);
212 #ifndef GRND_NONBLOCK
213 #define GRND_NONBLOCK 0x0001
217 #define GRND_RANDOM 0x0002
220 #ifndef BTRFS_IOCTL_MAGIC
221 #define BTRFS_IOCTL_MAGIC 0x94
224 #ifndef BTRFS_PATH_NAME_MAX
225 #define BTRFS_PATH_NAME_MAX 4087
228 #ifndef BTRFS_DEVICE_PATH_NAME_MAX
229 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
232 #ifndef BTRFS_FSID_SIZE
233 #define BTRFS_FSID_SIZE 16
236 #ifndef BTRFS_UUID_SIZE
237 #define BTRFS_UUID_SIZE 16
240 #ifndef BTRFS_SUBVOL_RDONLY
241 #define BTRFS_SUBVOL_RDONLY (1ULL << 1)
244 #ifndef BTRFS_SUBVOL_NAME_MAX
245 #define BTRFS_SUBVOL_NAME_MAX 4039
248 #ifndef BTRFS_INO_LOOKUP_PATH_MAX
249 #define BTRFS_INO_LOOKUP_PATH_MAX 4080
252 #ifndef BTRFS_SEARCH_ARGS_BUFSIZE
253 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
256 #ifndef BTRFS_QGROUP_LEVEL_SHIFT
257 #define BTRFS_QGROUP_LEVEL_SHIFT 48
260 #ifndef HAVE_LINUX_BTRFS_H
261 struct btrfs_ioctl_vol_args {
263 char name[BTRFS_PATH_NAME_MAX + 1];
266 struct btrfs_qgroup_limit {
274 struct btrfs_qgroup_inherit {
277 __u64 num_ref_copies;
278 __u64 num_excl_copies;
279 struct btrfs_qgroup_limit lim;
283 struct btrfs_ioctl_qgroup_limit_args {
285 struct btrfs_qgroup_limit lim;
288 struct btrfs_ioctl_vol_args_v2 {
295 struct btrfs_qgroup_inherit *qgroup_inherit;
299 char name[BTRFS_SUBVOL_NAME_MAX + 1];
302 struct btrfs_ioctl_dev_info_args {
303 uint64_t devid; /* in/out */
304 uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
305 uint64_t bytes_used; /* out */
306 uint64_t total_bytes; /* out */
307 uint64_t unused[379]; /* pad to 4k */
308 char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
311 struct btrfs_ioctl_fs_info_args {
312 uint64_t max_id; /* out */
313 uint64_t num_devices; /* out */
314 uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
315 uint64_t reserved[124]; /* pad to 1k */
318 struct btrfs_ioctl_ino_lookup_args {
321 char name[BTRFS_INO_LOOKUP_PATH_MAX];
324 struct btrfs_ioctl_search_key {
325 /* which root are we searching. 0 is the tree of tree roots */
328 /* keys returned will be >= min and <= max */
332 /* keys returned will be >= min and <= max */
336 /* max and min transids to search for */
340 /* keys returned will be >= min and <= max */
345 * how many items did userland ask for, and how many are we
350 /* align to 64 bits */
353 /* some extra for later */
360 struct btrfs_ioctl_search_header {
369 struct btrfs_ioctl_search_args {
370 struct btrfs_ioctl_search_key key;
371 char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
374 struct btrfs_ioctl_clone_range_args {
376 __u64 src_offset, src_length;
380 #define BTRFS_QUOTA_CTL_ENABLE 1
381 #define BTRFS_QUOTA_CTL_DISABLE 2
382 #define BTRFS_QUOTA_CTL_RESCAN__NOTUSED 3
383 struct btrfs_ioctl_quota_ctl_args {
389 #ifndef BTRFS_IOC_DEFRAG
390 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
391 struct btrfs_ioctl_vol_args)
394 #ifndef BTRFS_IOC_RESIZE
395 #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
396 struct btrfs_ioctl_vol_args)
399 #ifndef BTRFS_IOC_CLONE
400 #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
403 #ifndef BTRFS_IOC_CLONE_RANGE
404 #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
405 struct btrfs_ioctl_clone_range_args)
408 #ifndef BTRFS_IOC_SUBVOL_CREATE
409 #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
410 struct btrfs_ioctl_vol_args)
413 #ifndef BTRFS_IOC_SNAP_DESTROY
414 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
415 struct btrfs_ioctl_vol_args)
418 #ifndef BTRFS_IOC_TREE_SEARCH
419 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
420 struct btrfs_ioctl_search_args)
423 #ifndef BTRFS_IOC_INO_LOOKUP
424 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
425 struct btrfs_ioctl_ino_lookup_args)
428 #ifndef BTRFS_IOC_SNAP_CREATE_V2
429 #define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
430 struct btrfs_ioctl_vol_args_v2)
433 #ifndef BTRFS_IOC_SUBVOL_GETFLAGS
434 #define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
437 #ifndef BTRFS_IOC_SUBVOL_SETFLAGS
438 #define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
441 #ifndef BTRFS_IOC_DEV_INFO
442 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
443 struct btrfs_ioctl_dev_info_args)
446 #ifndef BTRFS_IOC_FS_INFO
447 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
448 struct btrfs_ioctl_fs_info_args)
451 #ifndef BTRFS_IOC_DEVICES_READY
452 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
453 struct btrfs_ioctl_vol_args)
456 #ifndef BTRFS_IOC_QUOTA_CTL
457 #define BTRFS_IOC_QUOTA_CTL _IOWR(BTRFS_IOCTL_MAGIC, 40, \
458 struct btrfs_ioctl_quota_ctl_args)
461 #ifndef BTRFS_IOC_QGROUP_LIMIT
462 #define BTRFS_IOC_QGROUP_LIMIT _IOR(BTRFS_IOCTL_MAGIC, 43, \
463 struct btrfs_ioctl_qgroup_limit_args)
466 #ifndef BTRFS_FIRST_FREE_OBJECTID
467 #define BTRFS_FIRST_FREE_OBJECTID 256
470 #ifndef BTRFS_LAST_FREE_OBJECTID
471 #define BTRFS_LAST_FREE_OBJECTID -256ULL
474 #ifndef BTRFS_ROOT_TREE_OBJECTID
475 #define BTRFS_ROOT_TREE_OBJECTID 1
478 #ifndef BTRFS_QUOTA_TREE_OBJECTID
479 #define BTRFS_QUOTA_TREE_OBJECTID 8ULL
482 #ifndef BTRFS_ROOT_ITEM_KEY
483 #define BTRFS_ROOT_ITEM_KEY 132
486 #ifndef BTRFS_QGROUP_STATUS_KEY
487 #define BTRFS_QGROUP_STATUS_KEY 240
490 #ifndef BTRFS_QGROUP_INFO_KEY
491 #define BTRFS_QGROUP_INFO_KEY 242
494 #ifndef BTRFS_QGROUP_LIMIT_KEY
495 #define BTRFS_QGROUP_LIMIT_KEY 244
498 #ifndef BTRFS_QGROUP_RELATION_KEY
499 #define BTRFS_QGROUP_RELATION_KEY 246
502 #ifndef BTRFS_ROOT_BACKREF_KEY
503 #define BTRFS_ROOT_BACKREF_KEY 144
506 #ifndef BTRFS_SUPER_MAGIC
507 #define BTRFS_SUPER_MAGIC 0x9123683E
510 #ifndef CGROUP_SUPER_MAGIC
511 #define CGROUP_SUPER_MAGIC 0x27e0eb
515 #define TMPFS_MAGIC 0x01021994
523 #define MS_PRIVATE (1 << 18)
526 #if !HAVE_DECL_GETTID
527 static inline pid_t gettid(void) {
528 return (pid_t) syscall(SYS_gettid);
533 #define SCM_SECURITY 0x03
536 #ifndef MS_STRICTATIME
537 #define MS_STRICTATIME (1<<24)
545 #define MS_SHARED (1<<20)
548 #ifndef PR_SET_NO_NEW_PRIVS
549 #define PR_SET_NO_NEW_PRIVS 38
552 #ifndef PR_SET_CHILD_SUBREAPER
553 #define PR_SET_CHILD_SUBREAPER 36
556 #ifndef MAX_HANDLE_SZ
557 #define MAX_HANDLE_SZ 128
560 #ifndef __NR_name_to_handle_at
561 # if defined(__x86_64__)
562 # define __NR_name_to_handle_at 303
563 # elif defined(__i386__)
564 # define __NR_name_to_handle_at 341
565 # elif defined(__arm__)
566 # define __NR_name_to_handle_at 370
567 # elif defined(__powerpc__)
568 # define __NR_name_to_handle_at 345
570 # error "__NR_name_to_handle_at is not defined"
574 #if !HAVE_DECL_NAME_TO_HANDLE_AT
576 unsigned int handle_bytes;
578 unsigned char f_handle[0];
581 static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
582 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
586 #ifndef HAVE_SECURE_GETENV
587 # ifdef HAVE___SECURE_GETENV
588 # define secure_getenv __secure_getenv
590 # error "neither secure_getenv nor __secure_getenv are available"
594 #ifndef CIFS_MAGIC_NUMBER
595 # define CIFS_MAGIC_NUMBER 0xFF534D42
598 #ifndef TFD_TIMER_CANCEL_ON_SET
599 # define TFD_TIMER_CANCEL_ON_SET (1 << 1)
603 # define SO_REUSEPORT 15
607 # define EVIOCREVOKE _IOW('E', 0x91, int)
610 #ifndef DRM_IOCTL_SET_MASTER
611 # define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
614 #ifndef DRM_IOCTL_DROP_MASTER
615 # define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
618 #if defined(__i386__) || defined(__x86_64__)
620 /* The precise definition of __O_TMPFILE is arch specific, so let's
621 * just define this on x86 where we know the value. */
624 #define __O_TMPFILE 020000000
627 /* a horrid kludge trying to make sure that this will fail on old kernels */
629 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
635 # if defined(__x86_64__)
636 # define __NR_setns 308
637 # elif defined(__i386__)
638 # define __NR_setns 346
640 # error "__NR_setns is not defined"
645 static inline int setns(int fd, int nstype) {
646 return syscall(__NR_setns, fd, nstype);
650 #if !HAVE_DECL_LO_FLAGS_PARTSCAN
651 #define LO_FLAGS_PARTSCAN 8
654 #ifndef LOOP_CTL_REMOVE
655 #define LOOP_CTL_REMOVE 0x4C81
658 #ifndef LOOP_CTL_GET_FREE
659 #define LOOP_CTL_GET_FREE 0x4C82
662 #if !HAVE_DECL_IFLA_INET6_ADDR_GEN_MODE
663 #define IFLA_INET6_UNSPEC 0
664 #define IFLA_INET6_FLAGS 1
665 #define IFLA_INET6_CONF 2
666 #define IFLA_INET6_STATS 3
667 #define IFLA_INET6_MCAST 4
668 #define IFLA_INET6_CACHEINFO 5
669 #define IFLA_INET6_ICMP6STATS 6
670 #define IFLA_INET6_TOKEN 7
671 #define IFLA_INET6_ADDR_GEN_MODE 8
672 #define __IFLA_INET6_MAX 9
674 #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
676 #define IN6_ADDR_GEN_MODE_EUI64 0
677 #define IN6_ADDR_GEN_MODE_NONE 1
680 #if !HAVE_DECL_IFLA_MACVLAN_FLAGS
681 #define IFLA_MACVLAN_UNSPEC 0
682 #define IFLA_MACVLAN_MODE 1
683 #define IFLA_MACVLAN_FLAGS 2
684 #define __IFLA_MACVLAN_MAX 3
686 #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
689 #if !HAVE_DECL_IFLA_IPVLAN_MODE
690 #define IFLA_IPVLAN_UNSPEC 0
691 #define IFLA_IPVLAN_MODE 1
692 #define __IFLA_IPVLAN_MAX 2
694 #define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1)
696 #define IPVLAN_MODE_L2 0
697 #define IPVLAN_MODE_L3 1
701 #if !HAVE_DECL_IFLA_VTI_REMOTE
702 #define IFLA_VTI_UNSPEC 0
703 #define IFLA_VTI_LINK 1
704 #define IFLA_VTI_IKEY 2
705 #define IFLA_VTI_OKEY 3
706 #define IFLA_VTI_LOCAL 4
707 #define IFLA_VTI_REMOTE 5
708 #define __IFLA_VTI_MAX 6
710 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
713 #if !HAVE_DECL_IFLA_PHYS_PORT_ID
714 #undef IFLA_PROMISCUITY
715 #define IFLA_PROMISCUITY 30
716 #define IFLA_NUM_TX_QUEUES 31
717 #define IFLA_NUM_RX_QUEUES 32
718 #define IFLA_CARRIER 33
719 #define IFLA_PHYS_PORT_ID 34
720 #define __IFLA_MAX 35
722 #define IFLA_MAX (__IFLA_MAX - 1)
725 #if !HAVE_DECL_IFLA_BOND_AD_INFO
726 #define IFLA_BOND_UNSPEC 0
727 #define IFLA_BOND_MODE 1
728 #define IFLA_BOND_ACTIVE_SLAVE 2
729 #define IFLA_BOND_MIIMON 3
730 #define IFLA_BOND_UPDELAY 4
731 #define IFLA_BOND_DOWNDELAY 5
732 #define IFLA_BOND_USE_CARRIER 6
733 #define IFLA_BOND_ARP_INTERVAL 7
734 #define IFLA_BOND_ARP_IP_TARGET 8
735 #define IFLA_BOND_ARP_VALIDATE 9
736 #define IFLA_BOND_ARP_ALL_TARGETS 10
737 #define IFLA_BOND_PRIMARY 11
738 #define IFLA_BOND_PRIMARY_RESELECT 12
739 #define IFLA_BOND_FAIL_OVER_MAC 13
740 #define IFLA_BOND_XMIT_HASH_POLICY 14
741 #define IFLA_BOND_RESEND_IGMP 15
742 #define IFLA_BOND_NUM_PEER_NOTIF 16
743 #define IFLA_BOND_ALL_SLAVES_ACTIVE 17
744 #define IFLA_BOND_MIN_LINKS 18
745 #define IFLA_BOND_LP_INTERVAL 19
746 #define IFLA_BOND_PACKETS_PER_SLAVE 20
747 #define IFLA_BOND_AD_LACP_RATE 21
748 #define IFLA_BOND_AD_SELECT 22
749 #define IFLA_BOND_AD_INFO 23
750 #define __IFLA_BOND_MAX 24
752 #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
755 #if !HAVE_DECL_IFLA_VLAN_PROTOCOL
756 #define IFLA_VLAN_UNSPEC 0
757 #define IFLA_VLAN_ID 1
758 #define IFLA_VLAN_FLAGS 2
759 #define IFLA_VLAN_EGRESS_QOS 3
760 #define IFLA_VLAN_INGRESS_QOS 4
761 #define IFLA_VLAN_PROTOCOL 5
762 #define __IFLA_VLAN_MAX 6
764 #define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
767 #if !HAVE_DECL_IFLA_VXLAN_REMCSUM_NOPARTIAL
768 #define IFLA_VXLAN_UNSPEC 0
769 #define IFLA_VXLAN_ID 1
770 #define IFLA_VXLAN_GROUP 2
771 #define IFLA_VXLAN_LINK 3
772 #define IFLA_VXLAN_LOCAL 4
773 #define IFLA_VXLAN_TTL 5
774 #define IFLA_VXLAN_TOS 6
775 #define IFLA_VXLAN_LEARNING 7
776 #define IFLA_VXLAN_AGEING 8
777 #define IFLA_VXLAN_LIMIT 9
778 #define IFLA_VXLAN_PORT_RANGE 10
779 #define IFLA_VXLAN_PROXY 11
780 #define IFLA_VXLAN_RSC 12
781 #define IFLA_VXLAN_L2MISS 13
782 #define IFLA_VXLAN_L3MISS 14
783 #define IFLA_VXLAN_PORT 15
784 #define IFLA_VXLAN_GROUP6 16
785 #define IFLA_VXLAN_LOCAL6 17
786 #define IFLA_VXLAN_UDP_CSUM 18
787 #define IFLA_VXLAN_UDP_ZERO_CSUM6_TX 19
788 #define IFLA_VXLAN_UDP_ZERO_CSUM6_RX 20
789 #define IFLA_VXLAN_REMCSUM_TX 21
790 #define IFLA_VXLAN_REMCSUM_RX 22
791 #define IFLA_VXLAN_GBP 23
792 #define IFLA_VXLAN_REMCSUM_NOPARTIAL 24
793 #define __IFLA_VXLAN_MAX 25
795 #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
798 #if !HAVE_DECL_IFLA_IPTUN_ENCAP_DPORT
799 #define IFLA_IPTUN_UNSPEC 0
800 #define IFLA_IPTUN_LINK 1
801 #define IFLA_IPTUN_LOCAL 2
802 #define IFLA_IPTUN_REMOTE 3
803 #define IFLA_IPTUN_TTL 4
804 #define IFLA_IPTUN_TOS 5
805 #define IFLA_IPTUN_ENCAP_LIMIT 6
806 #define IFLA_IPTUN_FLOWINFO 7
807 #define IFLA_IPTUN_FLAGS 8
808 #define IFLA_IPTUN_PROTO 9
809 #define IFLA_IPTUN_PMTUDISC 10
810 #define IFLA_IPTUN_6RD_PREFIX 11
811 #define IFLA_IPTUN_6RD_RELAY_PREFIX 12
812 #define IFLA_IPTUN_6RD_PREFIXLEN 13
813 #define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
814 #define IFLA_IPTUN_ENCAP_TYPE 15
815 #define IFLA_IPTUN_ENCAP_FLAGS 16
816 #define IFLA_IPTUN_ENCAP_SPORT 17
817 #define IFLA_IPTUN_ENCAP_DPORT 18
819 #define __IFLA_IPTUN_MAX 19
821 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
824 #if !HAVE_DECL_IFLA_GRE_ENCAP_DPORT
825 #define IFLA_GRE_UNSPEC 0
826 #define IFLA_GRE_LINK 1
827 #define IFLA_GRE_IFLAGS 2
828 #define IFLA_GRE_OFLAGS 3
829 #define IFLA_GRE_IKEY 4
830 #define IFLA_GRE_OKEY 5
831 #define IFLA_GRE_LOCAL 6
832 #define IFLA_GRE_REMOTE 7
833 #define IFLA_GRE_TTL 8
834 #define IFLA_GRE_TOS 9
835 #define IFLA_GRE_PMTUDISC 10
836 #define IFLA_GRE_ENCAP_LIMIT 11
837 #define IFLA_GRE_FLOWINFO 12
838 #define IFLA_GRE_FLAGS 13
839 #define IFLA_GRE_ENCAP_TYPE 14
840 #define IFLA_GRE_ENCAP_FLAGS 15
841 #define IFLA_GRE_ENCAP_SPORT 16
842 #define IFLA_GRE_ENCAP_DPORT 17
844 #define __IFLA_GRE_MAX 18
846 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
849 #if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
850 #define IFLA_BRIDGE_FLAGS 0
851 #define IFLA_BRIDGE_MODE 1
852 #define IFLA_BRIDGE_VLAN_INFO 2
853 #define __IFLA_BRIDGE_MAX 3
855 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
858 #if !HAVE_DECL_IFLA_BR_PRIORITY
859 #define IFLA_BR_UNSPEC 0
860 #define IFLA_BR_FORWARD_DELAY 1
861 #define IFLA_BR_HELLO_TIME 2
862 #define IFLA_BR_MAX_AGE 3
863 #define IFLA_BR_AGEING_TIME 4
864 #define IFLA_BR_STP_STATE 5
865 #define IFLA_BR_PRIORITY 6
866 #define __IFLA_BR_MAX 7
868 #define IFLA_BR_MAX (__IFLA_BR_MAX - 1)
871 #if !HAVE_DECL_IFLA_BRPORT_LEARNING_SYNC
872 #define IFLA_BRPORT_UNSPEC 0
873 #define IFLA_BRPORT_STATE 1
874 #define IFLA_BRPORT_PRIORITY 2
875 #define IFLA_BRPORT_COST 3
876 #define IFLA_BRPORT_MODE 4
877 #define IFLA_BRPORT_GUARD 5
878 #define IFLA_BRPORT_PROTECT 6
879 #define IFLA_BRPORT_FAST_LEAVE 7
880 #define IFLA_BRPORT_LEARNING 8
881 #define IFLA_BRPORT_UNICAST_FLOOD 9
882 #define IFLA_BRPORT_PROXYARP 10
883 #define IFLA_BRPORT_LEARNING_SYNC 11
884 #define __IFLA_BRPORT_MAX 12
886 #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
889 #if !HAVE_DECL_NDA_IFINDEX
893 #define NDA_CACHEINFO 3
898 #define NDA_IFINDEX 8
901 #define NDA_MAX (__NDA_MAX - 1)
908 #ifndef IPV6_UNICAST_IF
909 #define IPV6_UNICAST_IF 76
912 #ifndef IFF_MULTI_QUEUE
913 #define IFF_MULTI_QUEUE 0x100
917 #define IFF_LOWER_UP 0x10000
921 #define IFF_DORMANT 0x20000
924 #ifndef BOND_XMIT_POLICY_ENCAP23
925 #define BOND_XMIT_POLICY_ENCAP23 3
928 #ifndef BOND_XMIT_POLICY_ENCAP34
929 #define BOND_XMIT_POLICY_ENCAP34 4
932 #ifndef NET_ADDR_RANDOM
933 # define NET_ADDR_RANDOM 1
936 #ifndef NET_NAME_UNKNOWN
937 # define NET_NAME_UNKNOWN 0
940 #ifndef NET_NAME_ENUM
941 # define NET_NAME_ENUM 1
944 #ifndef NET_NAME_PREDICTABLE
945 # define NET_NAME_PREDICTABLE 2
948 #ifndef NET_NAME_USER
949 # define NET_NAME_USER 3
952 #ifndef NET_NAME_RENAMED
953 # define NET_NAME_RENAMED 4
957 # define BPF_XOR 0xa0
960 /* Note that LOOPBACK_IFINDEX is currently not exported by the
961 * kernel/glibc, but hardcoded internally by the kernel. However, as
962 * it is exported to userspace indirectly via rtnetlink and the
963 * ioctls, and made use of widely we define it here too, in a way that
964 * is compatible with the kernel's internal definition. */
965 #ifndef LOOPBACK_IFINDEX
966 #define LOOPBACK_IFINDEX 1
969 #if !HAVE_DECL_IFA_FLAGS
973 #ifndef IFA_F_NOPREFIXROUTE
974 #define IFA_F_NOPREFIXROUTE 0x200
977 #ifndef MAX_AUDIT_MESSAGE_LENGTH
978 #define MAX_AUDIT_MESSAGE_LENGTH 8970
981 #ifndef AUDIT_NLGRP_MAX
982 #define AUDIT_NLGRP_READLOG 1
985 #ifndef CAP_MAC_OVERRIDE
986 #define CAP_MAC_OVERRIDE 32
989 #ifndef CAP_MAC_ADMIN
990 #define CAP_MAC_ADMIN 33
994 #define CAP_SYSLOG 34
997 #ifndef CAP_WAKE_ALARM
998 #define CAP_WAKE_ALARM 35
1001 #ifndef CAP_BLOCK_SUSPEND
1002 #define CAP_BLOCK_SUSPEND 36
1005 #ifndef CAP_AUDIT_READ
1006 #define CAP_AUDIT_READ 37
1009 static inline int raw_clone(unsigned long flags, void *child_stack) {
1010 #if defined(__s390__) || defined(__CRIS__)
1011 /* On s390 and cris the order of the first and second arguments
1012 * of the raw clone() system call is reversed. */
1013 return (int) syscall(__NR_clone, child_stack, flags);
1015 return (int) syscall(__NR_clone, flags, child_stack);
1019 static inline pid_t raw_getpid(void) {
1020 #if defined(__alpha__)
1021 return (pid_t) syscall(__NR_getxpid);
1023 return (pid_t) syscall(__NR_getpid);
1027 #if !HAVE_DECL_RENAMEAT2
1029 #ifndef __NR_renameat2
1030 # if defined __x86_64__
1031 # define __NR_renameat2 316
1032 # elif defined __arm__
1033 # define __NR_renameat2 382
1034 # elif defined _MIPS_SIM
1035 # if _MIPS_SIM == _MIPS_SIM_ABI32
1036 # define __NR_renameat2 4351
1038 # if _MIPS_SIM == _MIPS_SIM_NABI32
1039 # define __NR_renameat2 6315
1041 # if _MIPS_SIM == _MIPS_SIM_ABI64
1042 # define __NR_renameat2 5311
1044 # elif defined __i386__
1045 # define __NR_renameat2 353
1047 # warning "__NR_renameat2 unknown for your architecture"
1048 # define __NR_renameat2 0xffffffff
1052 static inline int renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
1053 return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
1057 #ifndef RENAME_NOREPLACE
1058 #define RENAME_NOREPLACE (1 << 0)
1062 static inline int kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
1063 #if defined(__NR_kcmp)
1064 return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
1076 #ifndef INPUT_PROP_POINTING_STICK
1077 #define INPUT_PROP_POINTING_STICK 0x05
1080 #ifndef INPUT_PROP_ACCELEROMETER
1081 #define INPUT_PROP_ACCELEROMETER 0x06
1084 #if !HAVE_DECL_KEY_SERIAL_T
1085 typedef int32_t key_serial_t;
1088 #if !HAVE_DECL_KEYCTL
1089 static inline long keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4,unsigned long arg5) {
1090 #if defined(__NR_keyctl)
1091 return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
1098 static inline key_serial_t add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
1099 #if defined (__NR_add_key)
1100 return syscall(__NR_add_key, type, description, payload, plen, ringid);
1107 static inline key_serial_t request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
1108 #if defined (__NR_request_key)
1109 return syscall(__NR_request_key, type, description, callout_info, destringid);
1118 #define KEYCTL_READ 11
1121 #ifndef KEYCTL_SET_TIMEOUT
1122 #define KEYCTL_SET_TIMEOUT 15
1125 #ifndef KEY_SPEC_USER_KEYRING
1126 #define KEY_SPEC_USER_KEYRING -4