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 */
26 #include <sys/resource.h>
27 #include <sys/syscall.h>
32 #include <linux/oom.h>
33 #include <linux/input.h>
34 #include <sys/socket.h>
35 #include <linux/if_link.h>
36 #include <linux/loop.h>
37 #include <linux/if_link.h>
46 #include <asm/sgidefs.h>
50 #define RLIMIT_RTTIME 15
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)
56 #ifndef F_LINUX_SPECIFIC_BASE
57 #define F_LINUX_SPECIFIC_BASE 1024
61 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
65 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
69 #define IP_FREEBIND 15
72 #ifndef OOM_SCORE_ADJ_MIN
73 #define OOM_SCORE_ADJ_MIN (-1000)
76 #ifndef OOM_SCORE_ADJ_MAX
77 #define OOM_SCORE_ADJ_MAX 1000
80 #ifndef AUDIT_SERVICE_START
81 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
84 #ifndef AUDIT_SERVICE_STOP
85 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
89 #define TIOCVHANGUP 0x5437
92 #ifndef IP_TRANSPARENT
93 #define IP_TRANSPARENT 19
97 #define SOL_NETLINK 270
100 #if !HAVE_DECL_PIVOT_ROOT
101 static inline int pivot_root(const char *new_root, const char *put_old) {
102 return syscall(SYS_pivot_root, new_root, put_old);
107 # ifndef __NR_fanotify_init
108 # define __NR_fanotify_init 300
110 # ifndef __NR_fanotify_mark
111 # define __NR_fanotify_mark 301
113 #elif defined _MIPS_SIM
114 # if _MIPS_SIM == _MIPS_SIM_ABI32
115 # ifndef __NR_fanotify_init
116 # define __NR_fanotify_init 4336
118 # ifndef __NR_fanotify_mark
119 # define __NR_fanotify_mark 4337
121 # elif _MIPS_SIM == _MIPS_SIM_NABI32
122 # ifndef __NR_fanotify_init
123 # define __NR_fanotify_init 6300
125 # ifndef __NR_fanotify_mark
126 # define __NR_fanotify_mark 6301
128 # elif _MIPS_SIM == _MIPS_SIM_ABI64
129 # ifndef __NR_fanotify_init
130 # define __NR_fanotify_init 5295
132 # ifndef __NR_fanotify_mark
133 # define __NR_fanotify_mark 5296
137 # ifndef __NR_fanotify_init
138 # define __NR_fanotify_init 338
140 # ifndef __NR_fanotify_mark
141 # define __NR_fanotify_mark 339
145 #ifndef HAVE_FANOTIFY_INIT
146 static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
147 return syscall(__NR_fanotify_init, flags, event_f_flags);
151 #ifndef HAVE_FANOTIFY_MARK
152 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
153 int dfd, const char *pathname) {
154 #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
155 || defined __arm__ && !defined __aarch64__
162 return syscall(__NR_fanotify_mark, fanotify_fd, flags,
163 _mask._32[0], _mask._32[1], dfd, pathname);
165 return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
170 #ifndef BTRFS_IOCTL_MAGIC
171 #define BTRFS_IOCTL_MAGIC 0x94
174 #ifndef BTRFS_PATH_NAME_MAX
175 #define BTRFS_PATH_NAME_MAX 4087
178 #ifndef BTRFS_DEVICE_PATH_NAME_MAX
179 #define BTRFS_DEVICE_PATH_NAME_MAX 1024
182 #ifndef BTRFS_FSID_SIZE
183 #define BTRFS_FSID_SIZE 16
186 #ifndef BTRFS_UUID_SIZE
187 #define BTRFS_UUID_SIZE 16
190 #ifndef HAVE_LINUX_BTRFS_H
191 struct btrfs_ioctl_vol_args {
193 char name[BTRFS_PATH_NAME_MAX + 1];
196 struct btrfs_ioctl_dev_info_args {
197 uint64_t devid; /* in/out */
198 uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
199 uint64_t bytes_used; /* out */
200 uint64_t total_bytes; /* out */
201 uint64_t unused[379]; /* pad to 4k */
202 char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */
205 struct btrfs_ioctl_fs_info_args {
206 uint64_t max_id; /* out */
207 uint64_t num_devices; /* out */
208 uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
209 uint64_t reserved[124]; /* pad to 1k */
213 #ifndef BTRFS_IOC_DEFRAG
214 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
215 struct btrfs_ioctl_vol_args)
218 #ifndef BTRFS_IOC_DEV_INFO
219 #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
220 struct btrfs_ioctl_dev_info_args)
223 #ifndef BTRFS_IOC_FS_INFO
224 #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \
225 struct btrfs_ioctl_fs_info_args)
228 #ifndef BTRFS_IOC_DEVICES_READY
229 #define BTRFS_IOC_DEVICES_READY _IOR(BTRFS_IOCTL_MAGIC, 39, \
230 struct btrfs_ioctl_vol_args)
233 #ifndef BTRFS_SUPER_MAGIC
234 #define BTRFS_SUPER_MAGIC 0x9123683E
242 #define MS_PRIVATE (1 << 18)
245 #if !HAVE_DECL_GETTID
246 static inline pid_t gettid(void) {
247 return (pid_t) syscall(SYS_gettid);
252 #define SCM_SECURITY 0x03
255 #ifndef MS_STRICTATIME
256 #define MS_STRICTATIME (1<<24)
264 #define MS_SHARED (1<<20)
267 #ifndef PR_SET_NO_NEW_PRIVS
268 #define PR_SET_NO_NEW_PRIVS 38
271 #ifndef PR_SET_CHILD_SUBREAPER
272 #define PR_SET_CHILD_SUBREAPER 36
275 #ifndef MAX_HANDLE_SZ
276 #define MAX_HANDLE_SZ 128
279 #ifndef __NR_name_to_handle_at
280 # if defined(__x86_64__)
281 # define __NR_name_to_handle_at 303
282 # elif defined(__i386__)
283 # define __NR_name_to_handle_at 341
284 # elif defined(__arm__)
285 # define __NR_name_to_handle_at 370
286 # elif defined(__powerpc__)
287 # define __NR_name_to_handle_at 345
289 # error "__NR_name_to_handle_at is not defined"
293 #if !HAVE_DECL_NAME_TO_HANDLE_AT
295 unsigned int handle_bytes;
297 unsigned char f_handle[0];
300 static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
301 return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
305 #ifndef HAVE_SECURE_GETENV
306 # ifdef HAVE___SECURE_GETENV
307 # define secure_getenv __secure_getenv
309 # error "neither secure_getenv nor __secure_getenv are available"
313 #ifndef CIFS_MAGIC_NUMBER
314 # define CIFS_MAGIC_NUMBER 0xFF534D42
317 #ifndef TFD_TIMER_CANCEL_ON_SET
318 # define TFD_TIMER_CANCEL_ON_SET (1 << 1)
322 # define SO_REUSEPORT 15
326 # define EVIOCREVOKE _IOW('E', 0x91, int)
329 #ifndef DRM_IOCTL_SET_MASTER
330 # define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
333 #ifndef DRM_IOCTL_DROP_MASTER
334 # define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
337 #if defined(__i386__) || defined(__x86_64__)
339 /* The precise definition of __O_TMPFILE is arch specific, so let's
340 * just define this on x86 where we know the value. */
343 #define __O_TMPFILE 020000000
346 /* a horrid kludge trying to make sure that this will fail on old kernels */
348 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
354 # if defined(__x86_64__)
355 # define __NR_setns 308
356 # elif defined(__i386__)
357 # define __NR_setns 346
359 # error "__NR_setns is not defined"
364 static inline int setns(int fd, int nstype) {
365 return syscall(__NR_setns, fd, nstype);
369 #if !HAVE_DECL_LO_FLAGS_PARTSCAN
370 #define LO_FLAGS_PARTSCAN 8
373 #ifndef LOOP_CTL_REMOVE
374 #define LOOP_CTL_REMOVE 0x4C81
377 #ifndef LOOP_CTL_GET_FREE
378 #define LOOP_CTL_GET_FREE 0x4C82
381 #if !HAVE_DECL_IFLA_MACVLAN_FLAGS
382 #define IFLA_MACVLAN_UNSPEC 0
383 #define IFLA_MACVLAN_MODE 1
384 #define IFLA_MACVLAN_FLAGS 2
385 #define __IFLA_MACVLAN_MAX 3
387 #define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
390 #if !HAVE_DECL_IFLA_VTI_REMOTE
391 #define IFLA_VTI_UNSPEC 0
392 #define IFLA_VTI_LINK 1
393 #define IFLA_VTI_IKEY 2
394 #define IFLA_VTI_OKEY 3
395 #define IFLA_VTI_LOCAL 4
396 #define IFLA_VTI_REMOTE 5
397 #define __IFLA_VTI_MAX 6
399 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
402 #if !HAVE_DECL_IFLA_PHYS_PORT_ID
403 #undef IFLA_PROMISCUITY
404 #define IFLA_PROMISCUITY 30
405 #define IFLA_NUM_TX_QUEUES 31
406 #define IFLA_NUM_RX_QUEUES 32
407 #define IFLA_CARRIER 33
408 #define IFLA_PHYS_PORT_ID 34
409 #define __IFLA_MAX 35
411 #define IFLA_MAX (__IFLA_MAX - 1)
414 #if !HAVE_DECL_IFLA_BOND_AD_INFO
415 #define IFLA_BOND_UNSPEC 0
416 #define IFLA_BOND_MODE 1
417 #define IFLA_BOND_ACTIVE_SLAVE 2
418 #define IFLA_BOND_MIIMON 3
419 #define IFLA_BOND_UPDELAY 4
420 #define IFLA_BOND_DOWNDELAY 5
421 #define IFLA_BOND_USE_CARRIER 6
422 #define IFLA_BOND_ARP_INTERVAL 7
423 #define IFLA_BOND_ARP_IP_TARGET 8
424 #define IFLA_BOND_ARP_VALIDATE 9
425 #define IFLA_BOND_ARP_ALL_TARGETS 10
426 #define IFLA_BOND_PRIMARY 11
427 #define IFLA_BOND_PRIMARY_RESELECT 12
428 #define IFLA_BOND_FAIL_OVER_MAC 13
429 #define IFLA_BOND_XMIT_HASH_POLICY 14
430 #define IFLA_BOND_RESEND_IGMP 15
431 #define IFLA_BOND_NUM_PEER_NOTIF 16
432 #define IFLA_BOND_ALL_SLAVES_ACTIVE 17
433 #define IFLA_BOND_MIN_LINKS 18
434 #define IFLA_BOND_LP_INTERVAL 19
435 #define IFLA_BOND_PACKETS_PER_SLAVE 20
436 #define IFLA_BOND_AD_LACP_RATE 21
437 #define IFLA_BOND_AD_SELECT 22
438 #define IFLA_BOND_AD_INFO 23
439 #define __IFLA_BOND_MAX 24
441 #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
444 #if !HAVE_DECL_IFLA_VLAN_PROTOCOL
445 #define IFLA_VLAN_UNSPEC 0
446 #define IFLA_VLAN_ID 1
447 #define IFLA_VLAN_FLAGS 2
448 #define IFLA_VLAN_EGRESS_QOS 3
449 #define IFLA_VLAN_INGRESS_QOS 4
450 #define IFLA_VLAN_PROTOCOL 5
451 #define __IFLA_VLAN_MAX 6
453 #define IFLA_VLAN_MAX (__IFLA_VLAN_MAX - 1)
456 #if !HAVE_DECL_IFLA_VXLAN_LOCAL6
457 #define IFLA_VXLAN_UNSPEC 0
458 #define IFLA_VXLAN_ID 1
459 #define IFLA_VXLAN_GROUP 2
460 #define IFLA_VXLAN_LINK 3
461 #define IFLA_VXLAN_LOCAL 4
462 #define IFLA_VXLAN_TTL 5
463 #define IFLA_VXLAN_TOS 6
464 #define IFLA_VXLAN_LEARNING 7
465 #define IFLA_VXLAN_AGEING 8
466 #define IFLA_VXLAN_LIMIT 9
467 #define IFLA_VXLAN_PORT_RANGE 10
468 #define IFLA_VXLAN_PROXY 11
469 #define IFLA_VXLAN_RSC 12
470 #define IFLA_VXLAN_L2MISS 13
471 #define IFLA_VXLAN_L3MISS 14
472 #define IFLA_VXLAN_PORT 15
473 #define IFLA_VXLAN_GROUP6 16
474 #define IFLA_VXLAN_LOCAL6 17
475 #define __IFLA_VXLAN_MAX 18
477 #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
480 #if !HAVE_DECL_IFLA_IPTUN_6RD_RELAY_PREFIXLEN
481 #define IFLA_IPTUN_UNSPEC 0
482 #define IFLA_IPTUN_LINK 1
483 #define IFLA_IPTUN_LOCAL 2
484 #define IFLA_IPTUN_REMOTE 3
485 #define IFLA_IPTUN_TTL 4
486 #define IFLA_IPTUN_TOS 5
487 #define IFLA_IPTUN_ENCAP_LIMIT 6
488 #define IFLA_IPTUN_FLOWINFO 7
489 #define IFLA_IPTUN_FLAGS 8
490 #define IFLA_IPTUN_PROTO 9
491 #define IFLA_IPTUN_PMTUDISC 10
492 #define IFLA_IPTUN_6RD_PREFIX 11
493 #define IFLA_IPTUN_6RD_RELAY_PREFIX 12
494 #define IFLA_IPTUN_6RD_PREFIXLEN 13
495 #define IFLA_IPTUN_6RD_RELAY_PREFIXLEN 14
496 #define __IFLA_IPTUN_MAX 15
498 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
501 #if !HAVE_DECL_IFLA_BRIDGE_VLAN_INFO
502 #define IFLA_BRIDGE_FLAGS 0
503 #define IFLA_BRIDGE_MODE 1
504 #define IFLA_BRIDGE_VLAN_INFO 2
505 #define __IFLA_BRIDGE_MAX 3
507 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
510 #ifndef IPV6_UNICAST_IF
511 #define IPV6_UNICAST_IF 76
515 #define IFF_LOWER_UP 0x10000
519 #define IFF_DORMANT 0x20000
522 #ifndef BOND_XMIT_POLICY_ENCAP23
523 #define BOND_XMIT_POLICY_ENCAP23 3
526 #ifndef BOND_XMIT_POLICY_ENCAP34
527 #define BOND_XMIT_POLICY_ENCAP34 4
530 #ifndef NET_ADDR_RANDOM
531 # define NET_ADDR_RANDOM 1
534 #ifndef NET_NAME_ENUM
535 # define NET_NAME_ENUM 1
538 #ifndef NET_NAME_PREDICTABLE
539 # define NET_NAME_PREDICTABLE 2
542 #ifndef NET_NAME_USER
543 # define NET_NAME_USER 3
546 #ifndef NET_NAME_RENAMED
547 # define NET_NAME_RENAMED 4
550 #ifdef CONFIG_TIZEN_WIP
551 #ifndef CLOCK_BOOTTIME
552 # define CLOCK_BOOTTIME 7
555 #ifndef CLOCK_REALTIME_ALARM
556 # define CLOCK_REALTIME_ALARM 8
559 #ifndef CLOCK_BOOTTIME_ALARM
560 # define CLOCK_BOOTTIME_ALARM 9
564 # define BPF_XOR 0xa0