/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/* Missing glibc definitions to access certain kernel APIs */
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#ifdef ARCH_MIPS
#include <asm/sgidefs.h>
#endif
#include "missing_keyctl.h"
#include "missing_stat.h"
#if 0 /* NM_IGNORED */
/* linux/kcmp.h */
#ifndef KCMP_FILE /* 3f4994cfc15f38a3159c6e3a4b3ab2e1481a6b02 (3.19) */
#define KCMP_FILE 0
#endif
#if !HAVE_PIVOT_ROOT
static inline int missing_pivot_root(const char *new_root, const char *put_old) {
return syscall(__NR_pivot_root, new_root, put_old);
}
# define pivot_root missing_pivot_root
#endif
/* ======================================================================= */
#if !HAVE_MEMFD_CREATE
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_memfd_create && __NR_memfd_create >= 0)
# if defined __NR_memfd_create
# undef __NR_memfd_create
# endif
# if defined __x86_64__
# define __NR_memfd_create 319
# elif defined __arm__
# define __NR_memfd_create 385
# elif defined __aarch64__
# define __NR_memfd_create 279
# elif defined __s390__
# define __NR_memfd_create 350
# elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_memfd_create 4354
# endif
# if _MIPS_SIM == _MIPS_SIM_NABI32
# define __NR_memfd_create 6318
# endif
# if _MIPS_SIM == _MIPS_SIM_ABI64
# define __NR_memfd_create 5314
# endif
# elif defined __i386__
# define __NR_memfd_create 356
# elif defined __arc__
# define __NR_memfd_create 279
# else
# warning "__NR_memfd_create unknown for your architecture"
# endif
# endif
static inline int missing_memfd_create(const char *name, unsigned int flags) {
# ifdef __NR_memfd_create
return syscall(__NR_memfd_create, name, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
# define memfd_create missing_memfd_create
#endif
/* ======================================================================= */
#if !HAVE_GETRANDOM
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_getrandom && __NR_getrandom >= 0)
# if defined __NR_getrandom
# undef __NR_getrandom
# endif
# if defined __x86_64__
# define __NR_getrandom 318
# elif defined(__i386__)
# define __NR_getrandom 355
# elif defined(__arm__)
# define __NR_getrandom 384
# elif defined(__aarch64__)
# define __NR_getrandom 278
# elif defined(__ia64__)
# define __NR_getrandom 1339
# elif defined(__m68k__)
# define __NR_getrandom 352
# elif defined(__s390x__)
# define __NR_getrandom 349
# elif defined(__powerpc__)
# define __NR_getrandom 359
# elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_getrandom 4353
# endif
# if _MIPS_SIM == _MIPS_SIM_NABI32
# define __NR_getrandom 6317
# endif
# if _MIPS_SIM == _MIPS_SIM_ABI64
# define __NR_getrandom 5313
# endif
# elif defined(__arc__)
# define __NR_getrandom 278
# else
# warning "__NR_getrandom unknown for your architecture"
# endif
# endif
static inline int missing_getrandom(void *buffer, size_t count, unsigned flags) {
# ifdef __NR_getrandom
return syscall(__NR_getrandom, buffer, count, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
# define getrandom missing_getrandom
#endif
/* ======================================================================= */
#if !HAVE_GETTID
static inline pid_t missing_gettid(void) {
return (pid_t) syscall(__NR_gettid);
}
# define gettid missing_gettid
#endif
/* ======================================================================= */
#if !HAVE_NAME_TO_HANDLE_AT
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_name_to_handle_at && __NR_name_to_handle_at >= 0)
# if defined __NR_name_to_handle_at
# undef __NR_name_to_handle_at
# endif
# if defined(__x86_64__)
# define __NR_name_to_handle_at 303
# elif defined(__i386__)
# define __NR_name_to_handle_at 341
# elif defined(__arm__)
# define __NR_name_to_handle_at 370
# elif defined(__powerpc__)
# define __NR_name_to_handle_at 345
# elif defined(__arc__)
# define __NR_name_to_handle_at 264
# else
# error "__NR_name_to_handle_at is not defined"
# endif
# endif
struct file_handle {
unsigned int handle_bytes;
int handle_type;
unsigned char f_handle[0];
};
static inline int missing_name_to_handle_at(int fd, const char *name, struct file_handle *handle, int *mnt_id, int flags) {
# ifdef __NR_name_to_handle_at
return syscall(__NR_name_to_handle_at, fd, name, handle, mnt_id, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
# define name_to_handle_at missing_name_to_handle_at
#endif
/* ======================================================================= */
#if !HAVE_SETNS
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_setns && __NR_setns >= 0)
# if defined __NR_setns
# undef __NR_setns
# endif
# if defined(__x86_64__)
# define __NR_setns 308
# elif defined(__i386__)
# define __NR_setns 346
# elif defined(__arc__)
# define __NR_setns 268
# else
# error "__NR_setns is not defined"
# endif
# endif
static inline int missing_setns(int fd, int nstype) {
# ifdef __NR_setns
return syscall(__NR_setns, fd, nstype);
# else
errno = ENOSYS;
return -1;
# endif
}
# define setns missing_setns
#endif
/* ======================================================================= */
static inline pid_t raw_getpid(void) {
#if defined(__alpha__)
return (pid_t) syscall(__NR_getxpid);
#else
return (pid_t) syscall(__NR_getpid);
#endif
}
/* ======================================================================= */
#if !HAVE_RENAMEAT2
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_renameat2 && __NR_renameat2 >= 0)
# if defined __NR_renameat2
# undef __NR_renameat2
# endif
# if defined __x86_64__
# define __NR_renameat2 316
# elif defined __arm__
# define __NR_renameat2 382
# elif defined __aarch64__
# define __NR_renameat2 276
# elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_renameat2 4351
# endif
# if _MIPS_SIM == _MIPS_SIM_NABI32
# define __NR_renameat2 6315
# endif
# if _MIPS_SIM == _MIPS_SIM_ABI64
# define __NR_renameat2 5311
# endif
# elif defined __i386__
# define __NR_renameat2 353
# elif defined __powerpc64__
# define __NR_renameat2 357
# elif defined __s390__ || defined __s390x__
# define __NR_renameat2 347
# elif defined __arc__
# define __NR_renameat2 276
# else
# warning "__NR_renameat2 unknown for your architecture"
# endif
# endif
static inline int missing_renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
# ifdef __NR_renameat2
return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
# define renameat2 missing_renameat2
#endif
/* ======================================================================= */
#if !HAVE_KCMP
static inline int missing_kcmp(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2) {
# if defined __NR_kcmp && __NR_kcmp >= 0
return syscall(__NR_kcmp, pid1, pid2, type, idx1, idx2);
# else
errno = ENOSYS;
return -1;
# endif
}
# define kcmp missing_kcmp
#endif
/* ======================================================================= */
#if !HAVE_KEYCTL
static inline long missing_keyctl(int cmd, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5) {
# if defined __NR_keyctl && __NR_keyctl >= 0
return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
# else
errno = ENOSYS;
return -1;
# endif
# define keyctl missing_keyctl
}
static inline key_serial_t missing_add_key(const char *type, const char *description, const void *payload, size_t plen, key_serial_t ringid) {
# if defined __NR_add_key && __NR_add_key >= 0
return syscall(__NR_add_key, type, description, payload, plen, ringid);
# else
errno = ENOSYS;
return -1;
# endif
# define add_key missing_add_key
}
static inline key_serial_t missing_request_key(const char *type, const char *description, const char * callout_info, key_serial_t destringid) {
# if defined __NR_request_key && __NR_request_key >= 0
return syscall(__NR_request_key, type, description, callout_info, destringid);
# else
errno = ENOSYS;
return -1;
# endif
# define request_key missing_request_key
}
#endif
/* ======================================================================= */
#if !HAVE_COPY_FILE_RANGE
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_copy_file_range && __NR_copy_file_range >= 0)
# if defined __NR_copy_file_range
# undef __NR_copy_file_range
# endif
# if defined(__x86_64__)
# define __NR_copy_file_range 326
# elif defined(__i386__)
# define __NR_copy_file_range 377
# elif defined __s390__
# define __NR_copy_file_range 375
# elif defined __arm__
# define __NR_copy_file_range 391
# elif defined __aarch64__
# define __NR_copy_file_range 285
# elif defined __powerpc__
# define __NR_copy_file_range 379
# elif defined __arc__
# define __NR_copy_file_range 285
# else
# warning "__NR_copy_file_range not defined for your architecture"
# endif
# endif
static inline ssize_t missing_copy_file_range(int fd_in, loff_t *off_in,
int fd_out, loff_t *off_out,
size_t len,
unsigned int flags) {
# ifdef __NR_copy_file_range
return syscall(__NR_copy_file_range, fd_in, off_in, fd_out, off_out, len, flags);
# else
errno = ENOSYS;
return -1;
# endif
}
# define copy_file_range missing_copy_file_range
#endif
/* ======================================================================= */
#if !HAVE_BPF
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_bpf && __NR_bpf >= 0)
# if defined __NR_bpf
# undef __NR_bpf
# endif
# if defined __i386__
# define __NR_bpf 357
# elif defined __x86_64__
# define __NR_bpf 321
# elif defined __aarch64__
# define __NR_bpf 280
# elif defined __arm__
# define __NR_bpf 386
# elif defined __sparc__
# define __NR_bpf 349
# elif defined __s390__
# define __NR_bpf 351
# elif defined __tilegx__
# define __NR_bpf 280
# else
# warning "__NR_bpf not defined for your architecture"
# endif
# endif
union bpf_attr;
static inline int missing_bpf(int cmd, union bpf_attr *attr, size_t size) {
#ifdef __NR_bpf
return (int) syscall(__NR_bpf, cmd, attr, size);
#else
errno = ENOSYS;
return -1;
#endif
}
# define bpf missing_bpf
#endif
/* ======================================================================= */
#ifndef __IGNORE_pkey_mprotect
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pkey_mprotect && __NR_pkey_mprotect >= 0)
# if defined __NR_pkey_mprotect
# undef __NR_pkey_mprotect
# endif
# if defined __i386__
# define __NR_pkey_mprotect 380
# elif defined __x86_64__
# define __NR_pkey_mprotect 329
# elif defined __arm__
# define __NR_pkey_mprotect 394
# elif defined __aarch64__
# define __NR_pkey_mprotect 394
# elif defined __powerpc__
# define __NR_pkey_mprotect 386
# elif defined __s390__
# define __NR_pkey_mprotect 384
# elif defined _MIPS_SIM
# if _MIPS_SIM == _MIPS_SIM_ABI32
# define __NR_pkey_mprotect 4363
# endif
# if _MIPS_SIM == _MIPS_SIM_NABI32
# define __NR_pkey_mprotect 6327
# endif
# if _MIPS_SIM == _MIPS_SIM_ABI64
# define __NR_pkey_mprotect 5323
# endif
# else
# warning "__NR_pkey_mprotect not defined for your architecture"
# endif
# endif
#endif
/* ======================================================================= */
#if !HAVE_STATX
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_statx && __NR_statx >= 0)
# if defined __NR_statx
# undef __NR_statx
# endif
# if defined __aarch64__ || defined __arm__
# define __NR_statx 397
# elif defined __alpha__
# define __NR_statx 522
# elif defined __i386__ || defined __powerpc64__
# define __NR_statx 383
# elif defined __sparc__
# define __NR_statx 360
# elif defined __x86_64__
# define __NR_statx 332
# else
# warning "__NR_statx not defined for your architecture"
# endif
# endif
struct statx;
#endif
/* This typedef is supposed to be always defined. */
typedef struct statx struct_statx;
#if !HAVE_STATX
static inline ssize_t missing_statx(int dfd, const char *filename, unsigned flags, unsigned int mask, struct statx *buffer) {
# ifdef __NR_statx
return syscall(__NR_statx, dfd, filename, flags, mask, buffer);
# else
errno = ENOSYS;
return -1;
# endif
}
# define statx missing_statx
#endif
#if !HAVE_SET_MEMPOLICY
enum {
MPOL_DEFAULT,
MPOL_PREFERRED,
MPOL_BIND,
MPOL_INTERLEAVE,
MPOL_LOCAL,
};
static inline long missing_set_mempolicy(int mode, const unsigned long *nodemask,
unsigned long maxnode) {
long i;
# if defined __NR_set_mempolicy && __NR_set_mempolicy >= 0
i = syscall(__NR_set_mempolicy, mode, nodemask, maxnode);
# else
errno = ENOSYS;
i = -1;
# endif
return i;
}
# define set_mempolicy missing_set_mempolicy
#endif
#if !HAVE_GET_MEMPOLICY
static inline long missing_get_mempolicy(int *mode, unsigned long *nodemask,
unsigned long maxnode, void *addr,
unsigned long flags) {
long i;
# ifdef __NR_get_mempolicy
i = syscall(__NR_get_mempolicy, mode, nodemask, maxnode, addr, flags);
# else
errno = ENOSYS;
i = -1;
# endif
return i;
}
#define get_mempolicy missing_get_mempolicy
#endif
#endif /* NM_IGNORED */
#if !HAVE_PIDFD_OPEN
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pidfd_open && __NR_pidfd_open >= 0)
# if defined __NR_pidfd_open
# undef __NR_pidfd_open
# endif
# define __NR_pidfd_open 434
#endif
static inline int pidfd_open(pid_t pid, unsigned flags) {
#ifdef __NR_pidfd_open
return syscall(__NR_pidfd_open, pid, flags);
#else
errno = ENOSYS;
return -1;
#endif
}
#endif
#if !HAVE_PIDFD_SEND_SIGNAL
/* may be (invalid) negative number due to libseccomp, see PR 13319 */
# if ! (defined __NR_pidfd_send_signal && __NR_pidfd_send_signal >= 0)
# if defined __NR_pidfd_send_signal
# undef __NR_pidfd_send_signal
# endif
# define __NR_pidfd_send_signal 424
#endif
static inline int pidfd_send_signal(int fd, int sig, siginfo_t *info, unsigned flags) {
#ifdef __NR_pidfd_open
return syscall(__NR_pidfd_send_signal, fd, sig, info, flags);
#else
errno = ENOSYS;
return -1;
#endif
}
#endif
#if !HAVE_RT_SIGQUEUEINFO
static inline int rt_sigqueueinfo(pid_t tgid, int sig, siginfo_t *info) {
return syscall(__NR_rt_sigqueueinfo, tgid, sig, info);
}
#endif