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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 | ||
16c42ce1 KS |
67 | #ifndef IP_FREEBIND |
68 | #define IP_FREEBIND 15 | |
69 | #endif | |
70 | ||
dd6c17b1 LP |
71 | #ifndef OOM_SCORE_ADJ_MIN |
72 | #define OOM_SCORE_ADJ_MIN (-1000) | |
73 | #endif | |
74 | ||
75 | #ifndef OOM_SCORE_ADJ_MAX | |
76 | #define OOM_SCORE_ADJ_MAX 1000 | |
77 | #endif | |
15ae422b | 78 | |
4927fcae | 79 | #ifndef AUDIT_SERVICE_START |
dd6c17b1 | 80 | #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */ |
4927fcae LP |
81 | #endif |
82 | ||
83 | #ifndef AUDIT_SERVICE_STOP | |
dd6c17b1 | 84 | #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */ |
4927fcae LP |
85 | #endif |
86 | ||
6ea832a2 LP |
87 | #ifndef TIOCVHANGUP |
88 | #define TIOCVHANGUP 0x5437 | |
89 | #endif | |
90 | ||
b90865ba KS |
91 | #ifndef IP_TRANSPARENT |
92 | #define IP_TRANSPARENT 19 | |
93 | #endif | |
94 | ||
d5eff740 TG |
95 | #ifndef IFLA_CARRIER |
96 | #define IFLA_CARRIER 33 | |
97 | #ifndef IFLA_NUM_RX_QUEUES | |
98 | #define IFLA_NUM_RX_QUEUES 32 | |
99 | #ifndef IFLA_NUM_TX_QUEUES | |
100 | #define IFLA_NUM_TX_QUEUES 31 | |
101 | #ifndef IFLA_PROMISCUITY | |
102 | #define IFLA_PROMISCUITY 30 | |
103 | #endif | |
104 | #endif | |
105 | #endif | |
106 | #endif | |
107 | ||
a8348796 | 108 | #if !HAVE_DECL_PIVOT_ROOT |
dd6c17b1 LP |
109 | static inline int pivot_root(const char *new_root, const char *put_old) { |
110 | return syscall(SYS_pivot_root, new_root, put_old); | |
111 | } | |
a8348796 | 112 | #endif |
dd6c17b1 | 113 | |
22be093f | 114 | #ifdef __x86_64__ |
d59d0a2b | 115 | # ifndef __NR_fanotify_init |
116 | # define __NR_fanotify_init 300 | |
117 | # endif | |
118 | # ifndef __NR_fanotify_mark | |
119 | # define __NR_fanotify_mark 301 | |
120 | # endif | |
121 | #elif defined _MIPS_SIM | |
122 | # if _MIPS_SIM == _MIPS_SIM_ABI32 | |
123 | # ifndef __NR_fanotify_init | |
124 | # define __NR_fanotify_init 4336 | |
125 | # endif | |
126 | # ifndef __NR_fanotify_mark | |
127 | # define __NR_fanotify_mark 4337 | |
128 | # endif | |
129 | # elif _MIPS_SIM == _MIPS_SIM_NABI32 | |
130 | # ifndef __NR_fanotify_init | |
131 | # define __NR_fanotify_init 6300 | |
132 | # endif | |
133 | # ifndef __NR_fanotify_mark | |
134 | # define __NR_fanotify_mark 6301 | |
135 | # endif | |
136 | # elif _MIPS_SIM == _MIPS_SIM_ABI64 | |
137 | # ifndef __NR_fanotify_init | |
138 | # define __NR_fanotify_init 5295 | |
139 | # endif | |
140 | # ifndef __NR_fanotify_mark | |
141 | # define __NR_fanotify_mark 5296 | |
142 | # endif | |
143 | # endif | |
22be093f | 144 | #else |
d59d0a2b | 145 | # ifndef __NR_fanotify_init |
146 | # define __NR_fanotify_init 338 | |
147 | # endif | |
148 | # ifndef __NR_fanotify_mark | |
149 | # define __NR_fanotify_mark 339 | |
150 | # endif | |
22be093f LP |
151 | #endif |
152 | ||
a8348796 | 153 | #ifndef HAVE_FANOTIFY_INIT |
22be093f | 154 | static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) { |
05115020 | 155 | return syscall(__NR_fanotify_init, flags, event_f_flags); |
22be093f | 156 | } |
a8348796 | 157 | #endif |
22be093f | 158 | |
a8348796 | 159 | #ifndef HAVE_FANOTIFY_MARK |
05115020 | 160 | static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask, |
22be093f | 161 | int dfd, const char *pathname) { |
28f30cf2 | 162 | #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \ |
e9c1ea9d | 163 | || defined __arm__ && !defined __aarch64__ |
373c23b2 | 164 | union { |
165 | uint64_t _64; | |
166 | uint32_t _32[2]; | |
167 | } _mask; | |
168 | _mask._64 = mask; | |
169 | ||
170 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, | |
171 | _mask._32[0], _mask._32[1], dfd, pathname); | |
172 | #else | |
05115020 | 173 | return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname); |
373c23b2 | 174 | #endif |
22be093f | 175 | } |
a8348796 | 176 | #endif |
22be093f | 177 | |
4b357e15 MM |
178 | #ifndef BTRFS_IOCTL_MAGIC |
179 | #define BTRFS_IOCTL_MAGIC 0x94 | |
180 | #endif | |
181 | ||
182 | #ifndef BTRFS_PATH_NAME_MAX | |
183 | #define BTRFS_PATH_NAME_MAX 4087 | |
184 | #endif | |
185 | ||
186 | #ifndef BTRFS_DEVICE_PATH_NAME_MAX | |
187 | #define BTRFS_DEVICE_PATH_NAME_MAX 1024 | |
188 | #endif | |
189 | ||
190 | #ifndef BTRFS_FSID_SIZE | |
191 | #define BTRFS_FSID_SIZE 16 | |
192 | #endif | |
193 | ||
194 | #ifndef BTRFS_UUID_SIZE | |
195 | #define BTRFS_UUID_SIZE 16 | |
196 | #endif | |
197 | ||
198 | #ifndef HAVE_LINUX_BTRFS_H | |
199 | struct btrfs_ioctl_vol_args { | |
200 | int64_t fd; | |
201 | char name[BTRFS_PATH_NAME_MAX + 1]; | |
202 | }; | |
203 | ||
204 | struct btrfs_ioctl_dev_info_args { | |
205 | uint64_t devid; /* in/out */ | |
206 | uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */ | |
207 | uint64_t bytes_used; /* out */ | |
208 | uint64_t total_bytes; /* out */ | |
209 | uint64_t unused[379]; /* pad to 4k */ | |
210 | char path[BTRFS_DEVICE_PATH_NAME_MAX]; /* out */ | |
211 | }; | |
212 | ||
213 | struct btrfs_ioctl_fs_info_args { | |
214 | uint64_t max_id; /* out */ | |
215 | uint64_t num_devices; /* out */ | |
216 | uint8_t fsid[BTRFS_FSID_SIZE]; /* out */ | |
217 | uint64_t reserved[124]; /* pad to 1k */ | |
218 | }; | |
219 | #endif | |
220 | ||
221 | #ifndef BTRFS_IOC_DEFRAG | |
222 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, struct btrfs_ioctl_vol_args) | |
223 | #endif | |
224 | ||
225 | #ifndef BTRFS_IOC_DEV_INFO | |
226 | #define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \ | |
227 | struct btrfs_ioctl_dev_info_args) | |
228 | #endif | |
229 | ||
230 | #ifndef BTRFS_IOC_FS_INFO | |
231 | #define BTRFS_IOC_FS_INFO _IOR(BTRFS_IOCTL_MAGIC, 31, \ | |
232 | struct btrfs_ioctl_fs_info_args) | |
233 | #endif | |
234 | ||
746f8906 LP |
235 | #ifndef BTRFS_SUPER_MAGIC |
236 | #define BTRFS_SUPER_MAGIC 0x9123683E | |
237 | #endif | |
238 | ||
94d82985 LP |
239 | #ifndef MS_MOVE |
240 | #define MS_MOVE 8192 | |
241 | #endif | |
242 | ||
7cb1094a HH |
243 | #ifndef MS_PRIVATE |
244 | #define MS_PRIVATE (1 << 18) | |
245 | #endif | |
246 | ||
a8348796 | 247 | #if !HAVE_DECL_GETTID |
4d14be09 LP |
248 | static inline pid_t gettid(void) { |
249 | return (pid_t) syscall(SYS_gettid); | |
250 | } | |
a8348796 | 251 | #endif |
4d14be09 | 252 | |
54ecda32 LP |
253 | #ifndef SCM_SECURITY |
254 | #define SCM_SECURITY 0x03 | |
255 | #endif | |
256 | ||
48ac500b LP |
257 | #ifndef MS_STRICTATIME |
258 | #define MS_STRICTATIME (1<<24) | |
259 | #endif | |
260 | ||
a9621528 AM |
261 | #ifndef MS_REC |
262 | #define MS_REC 16384 | |
263 | #endif | |
264 | ||
265 | #ifndef MS_SHARED | |
266 | #define MS_SHARED (1<<20) | |
267 | #endif | |
268 | ||
8351ceae LP |
269 | #ifndef PR_SET_NO_NEW_PRIVS |
270 | #define PR_SET_NO_NEW_PRIVS 38 | |
271 | #endif | |
d4447f4d AK |
272 | |
273 | #ifndef PR_SET_CHILD_SUBREAPER | |
274 | #define PR_SET_CHILD_SUBREAPER 36 | |
275 | #endif | |
a8348796 LP |
276 | |
277 | #ifndef MAX_HANDLE_SZ | |
278 | #define MAX_HANDLE_SZ 128 | |
279 | #endif | |
280 | ||
66330455 LP |
281 | #ifndef __NR_name_to_handle_at |
282 | # if defined(__x86_64__) | |
848af055 | 283 | # define __NR_name_to_handle_at 303 |
66330455 | 284 | # elif defined(__i386__) |
848af055 | 285 | # define __NR_name_to_handle_at 341 |
66330455 | 286 | # elif defined(__arm__) |
f527b6b8 | 287 | # define __NR_name_to_handle_at 370 |
66330455 | 288 | # elif defined(__powerpc__) |
f527b6b8 | 289 | # define __NR_name_to_handle_at 345 |
66330455 LP |
290 | # else |
291 | # error "__NR_name_to_handle_at is not defined" | |
f527b6b8 | 292 | # endif |
a8348796 LP |
293 | #endif |
294 | ||
9388e99e | 295 | #if !HAVE_DECL_NAME_TO_HANDLE_AT |
a8348796 LP |
296 | struct file_handle { |
297 | unsigned int handle_bytes; | |
298 | int handle_type; | |
299 | unsigned char f_handle[0]; | |
300 | }; | |
301 | ||
302 | static inline int name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) { | |
303 | return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags); | |
304 | } | |
305 | #endif | |
4db17f29 ZJS |
306 | |
307 | #ifndef HAVE_SECURE_GETENV | |
308 | # ifdef HAVE___SECURE_GETENV | |
309 | # define secure_getenv __secure_getenv | |
310 | # else | |
66330455 | 311 | # error "neither secure_getenv nor __secure_getenv are available" |
4db17f29 ZJS |
312 | # endif |
313 | #endif | |
85210bff LP |
314 | |
315 | #ifndef CIFS_MAGIC_NUMBER | |
65b3903f | 316 | # define CIFS_MAGIC_NUMBER 0xFF534D42 |
85210bff | 317 | #endif |
8742514c LP |
318 | |
319 | #ifndef TFD_TIMER_CANCEL_ON_SET | |
65b3903f | 320 | # define TFD_TIMER_CANCEL_ON_SET (1 << 1) |
8742514c | 321 | #endif |
f7db7a69 SL |
322 | |
323 | #ifndef SO_REUSEPORT | |
65b3903f | 324 | # define SO_REUSEPORT 15 |
f7db7a69 | 325 | #endif |
118ecf32 DH |
326 | |
327 | #ifndef EVIOCREVOKE | |
65b3903f | 328 | # define EVIOCREVOKE _IOW('E', 0x91, int) |
118ecf32 DH |
329 | #endif |
330 | ||
331 | #ifndef DRM_IOCTL_SET_MASTER | |
65b3903f | 332 | # define DRM_IOCTL_SET_MASTER _IO('d', 0x1e) |
118ecf32 DH |
333 | #endif |
334 | ||
335 | #ifndef DRM_IOCTL_DROP_MASTER | |
65b3903f ZJS |
336 | # define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f) |
337 | #endif | |
338 | ||
c09918f9 LP |
339 | #if defined(__i386__) || defined(__x86_64__) |
340 | ||
341 | /* The precise definition of __O_TMPFILE is arch specific, so let's | |
342 | * just define this on x86 where we know the value. */ | |
343 | ||
344 | #ifndef __O_TMPFILE | |
345 | #define __O_TMPFILE 020000000 | |
346 | #endif | |
347 | ||
348 | /* a horrid kludge trying to make sure that this will fail on old kernels */ | |
349 | #ifndef O_TMPFILE | |
350 | #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY) | |
351 | #endif | |
352 | ||
353 | #endif | |
3b794314 HS |
354 | |
355 | #ifndef __NR_setns | |
356 | # if defined(__x86_64__) | |
357 | # define __NR_setns 308 | |
358 | # elif defined(__i386__) | |
359 | # define __NR_setns 346 | |
360 | # else | |
361 | # error "__NR_setns is not defined" | |
362 | # endif | |
363 | #endif | |
364 | ||
365 | #if !HAVE_DECL_SETNS | |
366 | static inline int setns(int fd, int nstype) { | |
367 | return syscall(__NR_setns, fd, nstype); | |
368 | } | |
369 | #endif | |
5f381b35 LP |
370 | |
371 | #if !HAVE_DECL_LO_FLAGS_PARTSCAN | |
372 | #define LO_FLAGS_PARTSCAN 8 | |
373 | #endif | |
a853c45d LP |
374 | |
375 | #ifndef LOOP_CTL_REMOVE | |
376 | #define LOOP_CTL_REMOVE 0x4C81 | |
377 | #endif | |
378 | ||
379 | #ifndef LOOP_CTL_GET_FREE | |
380 | #define LOOP_CTL_GET_FREE 0x4C82 | |
381 | #endif | |
0830ba61 ZJS |
382 | |
383 | #ifndef IFLA_BOND_MAX | |
384 | enum { | |
385 | IFLA_BOND_UNSPEC, | |
386 | IFLA_BOND_MODE, | |
387 | IFLA_BOND_ACTIVE_SLAVE, | |
388 | IFLA_BOND_MIIMON, | |
389 | IFLA_BOND_UPDELAY, | |
390 | IFLA_BOND_DOWNDELAY, | |
391 | IFLA_BOND_USE_CARRIER, | |
392 | IFLA_BOND_ARP_INTERVAL, | |
393 | IFLA_BOND_ARP_IP_TARGET, | |
394 | IFLA_BOND_ARP_VALIDATE, | |
395 | IFLA_BOND_ARP_ALL_TARGETS, | |
396 | IFLA_BOND_PRIMARY, | |
397 | IFLA_BOND_PRIMARY_RESELECT, | |
398 | IFLA_BOND_FAIL_OVER_MAC, | |
399 | IFLA_BOND_XMIT_HASH_POLICY, | |
400 | IFLA_BOND_RESEND_IGMP, | |
401 | IFLA_BOND_NUM_PEER_NOTIF, | |
402 | IFLA_BOND_ALL_SLAVES_ACTIVE, | |
403 | IFLA_BOND_MIN_LINKS, | |
404 | IFLA_BOND_LP_INTERVAL, | |
405 | IFLA_BOND_PACKETS_PER_SLAVE, | |
406 | IFLA_BOND_AD_LACP_RATE, | |
407 | IFLA_BOND_AD_SELECT, | |
408 | IFLA_BOND_AD_INFO, | |
409 | __IFLA_BOND_MAX, | |
410 | }; | |
411 | ||
412 | #define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1) | |
413 | #endif |