#include <linux/input.h>
#include <linux/if_link.h>
#include <linux/loop.h>
-
-#ifdef HAVE_AUDIT
-#include <libaudit.h>
-#endif
-
-#include "macro.h"
+#include <linux/audit.h>
+#include <linux/capability.h>
+#include <linux/neighbour.h>
#ifdef ARCH_MIPS
#include <asm/sgidefs.h>
#endif
+#ifdef HAVE_LINUX_BTRFS_H
+#include <linux/btrfs.h>
+#endif
+
+#include "macro.h"
+
#ifndef RLIMIT_RTTIME
#define RLIMIT_RTTIME 15
#endif
#ifndef F_ADD_SEALS
#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
-#endif
-
-#ifndef F_GET_SEALS
#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
-#endif
-#ifndef F_SEAL_SEAL
#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
-#endif
-
-#ifndef F_SEAL_SHRINK
#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
-#endif
-
-#ifndef F_SEAL_GROW
#define F_SEAL_GROW 0x0004 /* prevent file from growing */
+#define F_SEAL_WRITE 0x0008 /* prevent writes */
#endif
-#ifndef F_SEAL_WRITE
-#define F_SEAL_WRITE 0x0008 /* prevent writes */
+#ifndef F_OFD_GETLK
+#define F_OFD_GETLK 36
+#define F_OFD_SETLK 37
+#define F_OFD_SETLKW 38
#endif
#ifndef MFD_ALLOW_SEALING
-#define MFD_ALLOW_SEALING 0x0002ULL
+#define MFD_ALLOW_SEALING 0x0002U
+#endif
+
+#ifndef MFD_CLOEXEC
+#define MFD_CLOEXEC 0x0001U
#endif
#ifndef IP_FREEBIND
}
#endif
-#ifdef __x86_64__
-# ifndef __NR_fanotify_init
-# define __NR_fanotify_init 300
-# endif
-# ifndef __NR_fanotify_mark
-# define __NR_fanotify_mark 301
-# endif
-# ifndef __NR_memfd_create
+#ifndef __NR_memfd_create
+# if defined __x86_64__
# define __NR_memfd_create 319
-# endif
-#elif defined __arm__
-# ifndef __NR_memfd_create
+# elif defined __arm__
# define __NR_memfd_create 385
-# endif
-#elif defined _MIPS_SIM
-# if _MIPS_SIM == _MIPS_SIM_ABI32
-# ifndef __NR_fanotify_init
-# define __NR_fanotify_init 4336
-# endif
-# ifndef __NR_fanotify_mark
-# define __NR_fanotify_mark 4337
-# endif
-# elif _MIPS_SIM == _MIPS_SIM_NABI32
-# ifndef __NR_fanotify_init
-# define __NR_fanotify_init 6300
+# elif defined __aarch64__
+# define __NR_memfd_create 279
+# elif defined _MIPS_SIM
+# if _MIPS_SIM == _MIPS_SIM_ABI32
+# define __NR_memfd_create 4354
# endif
-# ifndef __NR_fanotify_mark
-# define __NR_fanotify_mark 6301
+# if _MIPS_SIM == _MIPS_SIM_NABI32
+# define __NR_memfd_create 6318
# endif
-# elif _MIPS_SIM == _MIPS_SIM_ABI64
-# ifndef __NR_fanotify_init
-# define __NR_fanotify_init 5295
+# if _MIPS_SIM == _MIPS_SIM_ABI64
+# define __NR_memfd_create 5314
# endif
-# ifndef __NR_fanotify_mark
-# define __NR_fanotify_mark 5296
-# endif
-# endif
-# ifndef __NR_memfd_create
-# warning "__NR_memfd_create not yet defined for MIPS"
-# define __NR_memfd_create 0xffffffff
-# endif
-#else
-# ifndef __NR_fanotify_init
-# define __NR_fanotify_init 338
-# endif
-# ifndef __NR_fanotify_mark
-# define __NR_fanotify_mark 339
-# endif
-# ifndef __NR_memfd_create
+# elif defined __i386__
# define __NR_memfd_create 356
+# else
+# warning "__NR_memfd_create unknown for your architecture"
+# define __NR_memfd_create 0xffffffff
# endif
#endif
-#ifndef HAVE_FANOTIFY_INIT
-static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
- return syscall(__NR_fanotify_init, flags, event_f_flags);
+#ifndef HAVE_MEMFD_CREATE
+static inline int memfd_create(const char *name, unsigned int flags) {
+ return syscall(__NR_memfd_create, name, flags);
}
#endif
-#ifndef HAVE_FANOTIFY_MARK
-static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
- int dfd, const char *pathname) {
-#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
- || defined __arm__ && !defined __aarch64__
- union {
- uint64_t _64;
- uint32_t _32[2];
- } _mask;
- _mask._64 = mask;
-
- return syscall(__NR_fanotify_mark, fanotify_fd, flags,
- _mask._32[0], _mask._32[1], dfd, pathname);
-#else
- return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
+#ifndef __NR_getrandom
+# 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
+# else
+# warning "__NR_getrandom unknown for your architecture"
+# define __NR_getrandom 0xffffffff
+# endif
#endif
+
+#if !HAVE_DECL_GETRANDOM
+static inline int getrandom(void *buffer, size_t count, unsigned flags) {
+ return syscall(__NR_getrandom, buffer, count, flags);
}
#endif
-#ifndef HAVE_MEMFD_CREATE
-static inline int memfd_create(const char *name, unsigned int flags) {
- return syscall(__NR_memfd_create, name, flags);
-}
+#ifndef GRND_NONBLOCK
+#define GRND_NONBLOCK 0x0001
+#endif
+
+#ifndef GRND_RANDOM
+#define GRND_RANDOM 0x0002
#endif
#ifndef BTRFS_IOCTL_MAGIC
#define BTRFS_UUID_SIZE 16
#endif
+#ifndef BTRFS_SUBVOL_RDONLY
+#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
+#endif
+
+#ifndef BTRFS_SUBVOL_NAME_MAX
+#define BTRFS_SUBVOL_NAME_MAX 4039
+#endif
+
+#ifndef BTRFS_INO_LOOKUP_PATH_MAX
+#define BTRFS_INO_LOOKUP_PATH_MAX 4080
+#endif
+
+#ifndef BTRFS_SEARCH_ARGS_BUFSIZE
+#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
+#endif
+
#ifndef HAVE_LINUX_BTRFS_H
struct btrfs_ioctl_vol_args {
int64_t fd;
char name[BTRFS_PATH_NAME_MAX + 1];
};
+struct btrfs_qgroup_limit {
+ __u64 flags;
+ __u64 max_rfer;
+ __u64 max_excl;
+ __u64 rsv_rfer;
+ __u64 rsv_excl;
+};
+
+struct btrfs_qgroup_inherit {
+ __u64 flags;
+ __u64 num_qgroups;
+ __u64 num_ref_copies;
+ __u64 num_excl_copies;
+ struct btrfs_qgroup_limit lim;
+ __u64 qgroups[0];
+};
+
+struct btrfs_ioctl_vol_args_v2 {
+ __s64 fd;
+ __u64 transid;
+ __u64 flags;
+ union {
+ struct {
+ __u64 size;
+ struct btrfs_qgroup_inherit *qgroup_inherit;
+ };
+ __u64 unused[4];
+ };
+ char name[BTRFS_SUBVOL_NAME_MAX + 1];
+};
+
struct btrfs_ioctl_dev_info_args {
uint64_t devid; /* in/out */
uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
uint64_t reserved[124]; /* pad to 1k */
};
+
+struct btrfs_ioctl_ino_lookup_args {
+ __u64 treeid;
+ __u64 objectid;
+ char name[BTRFS_INO_LOOKUP_PATH_MAX];
+};
+
+struct btrfs_ioctl_search_key {
+ /* which root are we searching. 0 is the tree of tree roots */
+ __u64 tree_id;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_objectid;
+ __u64 max_objectid;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_offset;
+ __u64 max_offset;
+
+ /* max and min transids to search for */
+ __u64 min_transid;
+ __u64 max_transid;
+
+ /* keys returned will be >= min and <= max */
+ __u32 min_type;
+ __u32 max_type;
+
+ /*
+ * how many items did userland ask for, and how many are we
+ * returning
+ */
+ __u32 nr_items;
+
+ /* align to 64 bits */
+ __u32 unused;
+
+ /* some extra for later */
+ __u64 unused1;
+ __u64 unused2;
+ __u64 unused3;
+ __u64 unused4;
+};
+
+struct btrfs_ioctl_search_header {
+ __u64 transid;
+ __u64 objectid;
+ __u64 offset;
+ __u32 type;
+ __u32 len;
+};
+
+
+struct btrfs_ioctl_search_args {
+ struct btrfs_ioctl_search_key key;
+ char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
+};
+
+struct btrfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_offset, src_length;
+ __u64 dest_offset;
+};
#endif
#ifndef BTRFS_IOC_DEFRAG
struct btrfs_ioctl_vol_args)
#endif
+#ifndef BTRFS_IOC_CLONE
+#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
+#endif
+
+#ifndef BTRFS_IOC_CLONE_RANGE
+#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
+ struct btrfs_ioctl_clone_range_args)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_CREATE
+#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
+ struct btrfs_ioctl_vol_args)
+#endif
+
+#ifndef BTRFS_IOC_SNAP_DESTROY
+#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
+ struct btrfs_ioctl_vol_args)
+#endif
+
+#ifndef BTRFS_IOC_TREE_SEARCH
+#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+ struct btrfs_ioctl_search_args)
+#endif
+
+#ifndef BTRFS_IOC_INO_LOOKUP
+#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
+ struct btrfs_ioctl_ino_lookup_args)
+#endif
+
+#ifndef BTRFS_IOC_SNAP_CREATE_V2
+#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
+ struct btrfs_ioctl_vol_args_v2)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_GETFLAGS
+#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_SETFLAGS
+#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
+#endif
+
#ifndef BTRFS_IOC_DEV_INFO
#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
struct btrfs_ioctl_dev_info_args)
struct btrfs_ioctl_vol_args)
#endif
+#ifndef BTRFS_FIRST_FREE_OBJECTID
+#define BTRFS_FIRST_FREE_OBJECTID 256
+#endif
+
+#ifndef BTRFS_ROOT_TREE_OBJECTID
+#define BTRFS_ROOT_TREE_OBJECTID 1
+#endif
+
+#ifndef BTRFS_QUOTA_TREE_OBJECTID
+#define BTRFS_QUOTA_TREE_OBJECTID 8ULL
+#endif
+
+#ifndef BTRFS_ROOT_ITEM_KEY
+#define BTRFS_ROOT_ITEM_KEY 132
+#endif
+
+#ifndef BTRFS_QGROUP_STATUS_KEY
+#define BTRFS_QGROUP_STATUS_KEY 240
+#endif
+
+#ifndef BTRFS_QGROUP_INFO_KEY
+#define BTRFS_QGROUP_INFO_KEY 242
+#endif
+
+#ifndef BTRFS_QGROUP_LIMIT_KEY
+#define BTRFS_QGROUP_LIMIT_KEY 244
+#endif
+
#ifndef BTRFS_SUPER_MAGIC
#define BTRFS_SUPER_MAGIC 0x9123683E
#endif
#define LOOP_CTL_GET_FREE 0x4C82
#endif
+#if !HAVE_DECL_IFLA_INET6_ADDR_GEN_MODE
+#define IFLA_INET6_UNSPEC 0
+#define IFLA_INET6_FLAGS 1
+#define IFLA_INET6_CONF 2
+#define IFLA_INET6_STATS 3
+#define IFLA_INET6_MCAST 4
+#define IFLA_INET6_CACHEINFO 5
+#define IFLA_INET6_ICMP6STATS 6
+#define IFLA_INET6_TOKEN 7
+#define IFLA_INET6_ADDR_GEN_MODE 8
+#define __IFLA_INET6_MAX 9
+
+#define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1)
+
+#define IN6_ADDR_GEN_MODE_EUI64 0
+#define IN6_ADDR_GEN_MODE_NONE 1
+#endif
+
#if !HAVE_DECL_IFLA_MACVLAN_FLAGS
#define IFLA_MACVLAN_UNSPEC 0
#define IFLA_MACVLAN_MODE 1
#define IFLA_MACVLAN_MAX (__IFLA_MACVLAN_MAX - 1)
#endif
+#if !HAVE_DECL_IFLA_IPVLAN_MODE
+#define IFLA_IPVLAN_UNSPEC 0
+#define IFLA_IPVLAN_MODE 1
+#define __IFLA_IPVLAN_MAX 2
+
+#define IFLA_IPVLAN_MAX (__IFLA_IPVLAN_MAX - 1)
+
+#define IPVLAN_MODE_L2 0
+#define IPVLAN_MODE_L3 1
+#define IPVLAN_MAX 2
+#endif
+
#if !HAVE_DECL_IFLA_VTI_REMOTE
#define IFLA_VTI_UNSPEC 0
#define IFLA_VTI_LINK 1
#define IFLA_BOND_AD_INFO 23
#define __IFLA_BOND_MAX 24
-#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
+#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
#endif
#if !HAVE_DECL_IFLA_VLAN_PROTOCOL
#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
#endif
+#if !HAVE_DECL_IFLA_BRPORT_UNICAST_FLOOD
+#define IFLA_BRPORT_UNSPEC 0
+#define IFLA_BRPORT_STATE 1
+#define IFLA_BRPORT_PRIORITY 2
+#define IFLA_BRPORT_COST 3
+#define IFLA_BRPORT_MODE 4
+#define IFLA_BRPORT_GUARD 5
+#define IFLA_BRPORT_PROTECT 6
+#define IFLA_BRPORT_FAST_LEAVE 7
+#define IFLA_BRPORT_LEARNING 8
+#define IFLA_BRPORT_UNICAST_FLOOD 9
+#define __IFLA_BRPORT_MAX 10
+
+#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
+#endif
+
+#if !HAVE_DECL_NDA_IFINDEX
+#define NDA_UNSPEC 0
+#define NDA_DST 1
+#define NDA_LLADDR 2
+#define NDA_CACHEINFO 3
+#define NDA_PROBES 4
+#define NDA_VLAN 5
+#define NDA_PORT 6
+#define NDA_VNI 7
+#define NDA_IFINDEX 8
+#define __NDA_MAX 9
+
+#define NDA_MAX (__NDA_MAX - 1)
+#endif
+
#ifndef IPV6_UNICAST_IF
#define IPV6_UNICAST_IF 76
#endif
# define NET_ADDR_RANDOM 1
#endif
+#ifndef NET_NAME_UNKNOWN
+# define NET_NAME_UNKNOWN 0
+#endif
+
#ifndef NET_NAME_ENUM
# define NET_NAME_ENUM 1
#endif
#ifndef BPF_XOR
# define BPF_XOR 0xa0
#endif
+
+/* Note that LOOPBACK_IFINDEX is currently not exported by the
+ * kernel/glibc, but hardcoded internally by the kernel. However, as
+ * it is exported to userspace indirectly via rtnetlink and the
+ * ioctls, and made use of widely we define it here too, in a way that
+ * is compatible with the kernel's internal definition. */
+#ifndef LOOPBACK_IFINDEX
+#define LOOPBACK_IFINDEX 1
+#endif
+
+#ifndef MAX_AUDIT_MESSAGE_LENGTH
+#define MAX_AUDIT_MESSAGE_LENGTH 8970
+#endif
+
+#ifndef AUDIT_NLGRP_MAX
+#define AUDIT_NLGRP_READLOG 1
+#endif
+
+#ifndef CAP_MAC_OVERRIDE
+#define CAP_MAC_OVERRIDE 32
+#endif
+
+#ifndef CAP_MAC_ADMIN
+#define CAP_MAC_ADMIN 33
+#endif
+
+#ifndef CAP_SYSLOG
+#define CAP_SYSLOG 34
+#endif
+
+#ifndef CAP_WAKE_ALARM
+#define CAP_WAKE_ALARM 35
+#endif
+
+#ifndef CAP_BLOCK_SUSPEND
+#define CAP_BLOCK_SUSPEND 36
+#endif
+
+#ifndef CAP_AUDIT_READ
+#define CAP_AUDIT_READ 37
+#endif
+
+static inline int raw_clone(unsigned long flags, void *child_stack) {
+#if defined(__s390__) || defined(__CRIS__)
+ /* On s390 and cris the order of the first and second arguments
+ * of the raw clone() system call is reversed. */
+ return (int) syscall(__NR_clone, child_stack, flags);
+#else
+ return (int) syscall(__NR_clone, flags, child_stack);
+#endif
+}
+
+static inline pid_t raw_getpid(void) {
+ return (pid_t) syscall(__NR_getpid);
+}
+
+#if !HAVE_DECL_RENAMEAT2
+
+#ifndef __NR_renameat2
+# if defined __x86_64__
+# define __NR_renameat2 316
+# elif defined __arm__
+# define __NR_renameat2 382
+# 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
+# else
+# warning "__NR_renameat2 unknown for your architecture"
+# define __NR_renameat2 0xffffffff
+# endif
+#endif
+
+static inline int renameat2(int oldfd, const char *oldname, int newfd, const char *newname, unsigned flags) {
+ return syscall(__NR_renameat2, oldfd, oldname, newfd, newname, flags);
+}
+#endif
+
+#ifndef RENAME_NOREPLACE
+#define RENAME_NOREPLACE (1 << 0)
+#endif