src/basic/missing.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /* Missing glibc definitions to access certain kernel APIs */
   5
   6 #include <errno.h>
   7 #include <fcntl.h>
   8 #include <inttypes.h>
   9 #include <linux/audit.h>
  10 #include <linux/capability.h>
  11 #include <linux/falloc.h>
  12 #include <linux/oom.h>
  13 #include <net/ethernet.h>
  14 #include <stdlib.h>
  15 #include <sys/resource.h>
  16 #include <sys/socket.h>
  17 #include <sys/syscall.h>
  18 #include <uchar.h>
  19 #include <unistd.h>
  20
  21 #if HAVE_AUDIT
  22 #include <libaudit.h>
  23 #endif
  24
  25 #ifdef ARCH_MIPS
  26 #include <asm/sgidefs.h>
  27 #endif
  28
  29 #if HAVE_LINUX_VM_SOCKETS_H
  30 #include <linux/vm_sockets.h>
  31 #else
  32 #define VMADDR_CID_ANY -1U
  33 struct sockaddr_vm {
  34         unsigned short svm_family;
  35         unsigned short svm_reserved1;
  36         unsigned int svm_port;
  37         unsigned int svm_cid;
  38         unsigned char svm_zero[sizeof(struct sockaddr) -
  39                                sizeof(unsigned short) -
  40                                sizeof(unsigned short) -
  41                                sizeof(unsigned int) -
  42                                sizeof(unsigned int)];
  43 };
  44 #endif /* !HAVE_LINUX_VM_SOCKETS_H */
  45
  46 #ifndef RLIMIT_RTTIME
  47 #define RLIMIT_RTTIME 15
  48 #endif
  49
  50 /* If RLIMIT_RTTIME is not defined, then we cannot use RLIMIT_NLIMITS as is */
  51 #define _RLIMIT_MAX (RLIMIT_RTTIME+1 > RLIMIT_NLIMITS ? RLIMIT_RTTIME+1 : RLIMIT_NLIMITS)
  52
  53 #ifndef F_LINUX_SPECIFIC_BASE
  54 #define F_LINUX_SPECIFIC_BASE 1024
  55 #endif
  56
  57 #ifndef F_SETPIPE_SZ
  58 #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)
  59 #endif
  60
  61 #ifndef F_GETPIPE_SZ
  62 #define F_GETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 8)
  63 #endif
  64
  65 #ifndef F_ADD_SEALS
  66 #define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
  67 #define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
  68
  69 #define F_SEAL_SEAL     0x0001  /* prevent further seals from being set */
  70 #define F_SEAL_SHRINK   0x0002  /* prevent file from shrinking */
  71 #define F_SEAL_GROW     0x0004  /* prevent file from growing */
  72 #define F_SEAL_WRITE    0x0008  /* prevent writes */
  73 #endif
  74
  75 #ifndef F_OFD_GETLK
  76 #define F_OFD_GETLK     36
  77 #define F_OFD_SETLK     37
  78 #define F_OFD_SETLKW    38
  79 #endif
  80
  81 #ifndef MFD_ALLOW_SEALING
  82 #define MFD_ALLOW_SEALING 0x0002U
  83 #endif
  84
  85 #ifndef MFD_CLOEXEC
  86 #define MFD_CLOEXEC 0x0001U
  87 #endif
  88
  89 #ifndef IP_FREEBIND
  90 #define IP_FREEBIND 15
  91 #endif
  92
  93 #ifndef OOM_SCORE_ADJ_MIN
  94 #define OOM_SCORE_ADJ_MIN (-1000)
  95 #endif
  96
  97 #ifndef OOM_SCORE_ADJ_MAX
  98 #define OOM_SCORE_ADJ_MAX 1000
  99 #endif
 100
 101 #ifndef AUDIT_SERVICE_START
 102 #define AUDIT_SERVICE_START 1130 /* Service (daemon) start */
 103 #endif
 104
 105 #ifndef AUDIT_SERVICE_STOP
 106 #define AUDIT_SERVICE_STOP 1131 /* Service (daemon) stop */
 107 #endif
 108
 109 #ifndef TIOCVHANGUP
 110 #define TIOCVHANGUP 0x5437
 111 #endif
 112
 113 #ifndef IP_TRANSPARENT
 114 #define IP_TRANSPARENT 19
 115 #endif
 116
 117 #ifndef SOL_NETLINK
 118 #define SOL_NETLINK 270
 119 #endif
 120
 121 #ifndef NETLINK_LIST_MEMBERSHIPS
 122 #define NETLINK_LIST_MEMBERSHIPS 9
 123 #endif
 124
 125 #ifndef SOL_SCTP
 126 #define SOL_SCTP 132
 127 #endif
 128
 129 #ifndef GRND_NONBLOCK
 130 #define GRND_NONBLOCK 0x0001
 131 #endif
 132
 133 #ifndef GRND_RANDOM
 134 #define GRND_RANDOM 0x0002
 135 #endif
 136
 137 #ifndef FS_NOCOW_FL
 138 #define FS_NOCOW_FL 0x00800000
 139 #endif
 140
 141 #ifndef CLONE_NEWCGROUP
 142 #define CLONE_NEWCGROUP 0x02000000
 143 #endif
 144
 145 #ifndef MS_MOVE
 146 #define MS_MOVE 8192
 147 #endif
 148
 149 #ifndef MS_REC
 150 #define MS_REC 16384
 151 #endif
 152
 153 #ifndef MS_PRIVATE
 154 #define MS_PRIVATE      (1<<18)
 155 #endif
 156
 157 #ifndef MS_REC
 158 #define MS_REC          (1<<19)
 159 #endif
 160
 161 #ifndef MS_SHARED
 162 #define MS_SHARED       (1<<20)
 163 #endif
 164
 165 #ifndef MS_RELATIME
 166 #define MS_RELATIME     (1<<21)
 167 #endif
 168
 169 #ifndef MS_KERNMOUNT
 170 #define MS_KERNMOUNT    (1<<22)
 171 #endif
 172
 173 #ifndef MS_I_VERSION
 174 #define MS_I_VERSION    (1<<23)
 175 #endif
 176
 177 #ifndef MS_STRICTATIME
 178 #define MS_STRICTATIME  (1<<24)
 179 #endif
 180
 181 #ifndef MS_LAZYTIME
 182 #define MS_LAZYTIME     (1<<25)
 183 #endif
 184
 185 #ifndef SCM_SECURITY
 186 #define SCM_SECURITY 0x03
 187 #endif
 188
 189 #ifndef PR_SET_NO_NEW_PRIVS
 190 #define PR_SET_NO_NEW_PRIVS 38
 191 #endif
 192
 193 #ifndef PR_SET_CHILD_SUBREAPER
 194 #define PR_SET_CHILD_SUBREAPER 36
 195 #endif
 196
 197 #ifndef PR_SET_MM_ARG_START
 198 #define PR_SET_MM_ARG_START 8
 199 #endif
 200
 201 #ifndef PR_SET_MM_ARG_END
 202 #define PR_SET_MM_ARG_END 9
 203 #endif
 204
 205 #ifndef PR_SET_MM_ENV_START
 206 #define PR_SET_MM_ENV_START 10
 207 #endif
 208
 209 #ifndef PR_SET_MM_ENV_END
 210 #define PR_SET_MM_ENV_END 11
 211 #endif
 212
 213 #ifndef DM_DEFERRED_REMOVE
 214 #define DM_DEFERRED_REMOVE (1 << 17)
 215 #endif
 216
 217 #ifndef MAX_HANDLE_SZ
 218 #define MAX_HANDLE_SZ 128
 219 #endif
 220
 221 #if ! HAVE_SECURE_GETENV
 222 #  if HAVE___SECURE_GETENV
 223 #    define secure_getenv __secure_getenv
 224 #  else
 225 #    error "neither secure_getenv nor __secure_getenv are available"
 226 #  endif
 227 #endif
 228
 229 #ifndef CIFS_MAGIC_NUMBER
 230 #  define CIFS_MAGIC_NUMBER 0xFF534D42
 231 #endif
 232
 233 #ifndef TFD_TIMER_CANCEL_ON_SET
 234 #  define TFD_TIMER_CANCEL_ON_SET (1 << 1)
 235 #endif
 236
 237 #ifndef SO_REUSEPORT
 238 #  define SO_REUSEPORT 15
 239 #endif
 240
 241 #ifndef SO_PEERGROUPS
 242 #  define SO_PEERGROUPS 59
 243 #endif
 244
 245 #ifndef DRM_IOCTL_SET_MASTER
 246 #  define DRM_IOCTL_SET_MASTER _IO('d', 0x1e)
 247 #endif
 248
 249 #ifndef DRM_IOCTL_DROP_MASTER
 250 #  define DRM_IOCTL_DROP_MASTER _IO('d', 0x1f)
 251 #endif
 252
 253 /* The precise definition of __O_TMPFILE is arch specific; use the
 254  * values defined by the kernel (note: some are hexa, some are octal,
 255  * duplicated as-is from the kernel definitions):
 256  * - alpha, parisc, sparc: each has a specific value;
 257  * - others: they use the "generic" value.
 258  */
 259
 260 #ifndef __O_TMPFILE
 261 #if defined(__alpha__)
 262 #define __O_TMPFILE     0100000000
 263 #elif defined(__parisc__) || defined(__hppa__)
 264 #define __O_TMPFILE     0400000000
 265 #elif defined(__sparc__) || defined(__sparc64__)
 266 #define __O_TMPFILE     0x2000000
 267 #else
 268 #define __O_TMPFILE     020000000
 269 #endif
 270 #endif
 271
 272 /* a horrid kludge trying to make sure that this will fail on old kernels */
 273 #ifndef O_TMPFILE
 274 #define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
 275 #endif
 276
 277 #ifndef BPF_XOR
 278 #define BPF_XOR 0xa0
 279 #endif
 280
 281 /* Note that LOOPBACK_IFINDEX is currently not exported by the
 282  * kernel/glibc, but hardcoded internally by the kernel.  However, as
 283  * it is exported to userspace indirectly via rtnetlink and the
 284  * ioctls, and made use of widely we define it here too, in a way that
 285  * is compatible with the kernel's internal definition. */
 286 #ifndef LOOPBACK_IFINDEX
 287 #define LOOPBACK_IFINDEX 1
 288 #endif
 289
 290 #ifndef MAX_AUDIT_MESSAGE_LENGTH
 291 #define MAX_AUDIT_MESSAGE_LENGTH 8970
 292 #endif
 293
 294 #ifndef AUDIT_NLGRP_MAX
 295 #define AUDIT_NLGRP_READLOG 1
 296 #endif
 297
 298 #ifndef CAP_MAC_OVERRIDE
 299 #define CAP_MAC_OVERRIDE 32
 300 #endif
 301
 302 #ifndef CAP_MAC_ADMIN
 303 #define CAP_MAC_ADMIN 33
 304 #endif
 305
 306 #ifndef CAP_SYSLOG
 307 #define CAP_SYSLOG 34
 308 #endif
 309
 310 #ifndef CAP_WAKE_ALARM
 311 #define CAP_WAKE_ALARM 35
 312 #endif
 313
 314 #ifndef CAP_BLOCK_SUSPEND
 315 #define CAP_BLOCK_SUSPEND 36
 316 #endif
 317
 318 #ifndef CAP_AUDIT_READ
 319 #define CAP_AUDIT_READ 37
 320 #endif
 321
 322 #ifndef RENAME_NOREPLACE
 323 #define RENAME_NOREPLACE (1 << 0)
 324 #endif
 325
 326 #ifndef KCMP_FILE
 327 #define KCMP_FILE 0
 328 #endif
 329
 330 #ifndef PR_CAP_AMBIENT
 331 #define PR_CAP_AMBIENT 47
 332 #endif
 333
 334 #ifndef PR_CAP_AMBIENT_IS_SET
 335 #define PR_CAP_AMBIENT_IS_SET 1
 336 #endif
 337
 338 #ifndef PR_CAP_AMBIENT_RAISE
 339 #define PR_CAP_AMBIENT_RAISE 2
 340 #endif
 341
 342 #ifndef PR_CAP_AMBIENT_CLEAR_ALL
 343 #define PR_CAP_AMBIENT_CLEAR_ALL 4
 344 #endif
 345
 346 #if !HAVE_CHAR32_T
 347 #define char32_t uint32_t
 348 #endif
 349
 350 #if !HAVE_CHAR16_T
 351 #define char16_t uint16_t
 352 #endif
 353
 354 #ifndef ETHERTYPE_LLDP
 355 #define ETHERTYPE_LLDP 0x88cc
 356 #endif
 357
 358 #ifndef SOL_ALG
 359 #define SOL_ALG 279
 360 #endif
 361
 362 #ifndef AF_VSOCK
 363 #define AF_VSOCK 40
 364 #endif
 365
 366 #ifndef EXT4_IOC_RESIZE_FS
 367 #  define EXT4_IOC_RESIZE_FS              _IOW('f', 16, __u64)
 368 #endif
 369
 370 #ifndef NS_GET_NSTYPE
 371 #define NS_GET_NSTYPE _IO(0xb7, 0x3)
 372 #endif
 373
 374 #ifndef FALLOC_FL_KEEP_SIZE
 375 #define FALLOC_FL_KEEP_SIZE 0x01
 376 #endif
 377
 378 #ifndef FALLOC_FL_PUNCH_HOLE
 379 #define FALLOC_FL_PUNCH_HOLE 0x02
 380 #endif
 381
 382 #ifndef PF_KTHREAD
 383 #define PF_KTHREAD 0x00200000
 384 #endif
 385
 386 /* The maximum thread/process name length including trailing NUL byte. This mimics the kernel definition of the same
 387  * name, which we need in userspace at various places but is not defined in userspace currently, neither under this
 388  * name nor any other. */
 389 #ifndef TASK_COMM_LEN
 390 #define TASK_COMM_LEN 16
 391 #endif
 392
 393 #include "missing_btrfs_tree.h"
 394 #include "missing_input.h"
 395 #include "missing_magic.h"
 396 #include "missing_network.h"
 397
 398 #include "missing_syscall.h"