faeb1b64b3
The header files are usually based on code from lib/. This commit copies relevant license headers from lib/ to include/ to keep things consistent. The very generic things (e.g. MBR definitions) are always public domain. Fixes: https://github.com/util-linux/util-linux/issues/2010 Signed-off-by: Karel Zak <kzak@redhat.com>
200 lines
4.9 KiB
C
200 lines
4.9 KiB
C
/*
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* No copyright is claimed. This code is in the public domain; do with
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* it what you wish.
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*/
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#ifndef UTIL_LINUX_MOUNT_API_UTILS
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#define UTIL_LINUX_MOUNT_API_UTILS
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#ifdef HAVE_MOUNTFD_API
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#include <sys/syscall.h>
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#include <linux/mount.h>
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/* Accepted by both open_tree() and mount_setattr(). */
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#ifndef AT_RECURSIVE
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# define AT_RECURSIVE 0x8000
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#endif
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#ifndef OPEN_TREE_CLONE
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# define OPEN_TREE_CLONE 1
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#endif
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#ifndef OPEN_TREE_CLOEXEC
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# define OPEN_TREE_CLOEXEC O_CLOEXEC
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#endif
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#if !defined(HAVE_OPEN_TREE) && defined(SYS_open_tree)
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static inline int open_tree(int dfd, const char *filename, unsigned int flags)
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{
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return syscall(SYS_open_tree, dfd, filename, flags);
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}
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#endif
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#ifndef MOVE_MOUNT_F_SYMLINKS
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# define MOVE_MOUNT_F_SYMLINKS 0x00000001 /* Follow symlinks on from path */
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#endif
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#ifndef MOVE_MOUNT_F_AUTOMOUNTS
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# define MOVE_MOUNT_F_AUTOMOUNTS 0x00000002 /* Follow automounts on from path */
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#endif
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#ifndef MOVE_MOUNT_F_EMPTY_PATH
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# define MOVE_MOUNT_F_EMPTY_PATH 0x00000004 /* Empty from path permitted */
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#endif
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#ifndef MOVE_MOUNT_T_SYMLINKS
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# define MOVE_MOUNT_T_SYMLINKS 0x00000010 /* Follow symlinks on to path */
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#endif
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#ifndef MOVE_MOUNT_T_AUTOMOUNTS
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# define MOVE_MOUNT_T_AUTOMOUNTS 0x00000020 /* Follow automounts on to path */
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#endif
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#ifndef MOVE_MOUNT_T_EMPTY_PATH
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# define MOVE_MOUNT_T_EMPTY_PATH 0x00000040 /* Empty to path permitted */
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#endif
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#ifndef MOVE_MOUNT_SET_GROUP
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# define MOVE_MOUNT_SET_GROUP 0x00000100 /* Set sharing group instead */
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#endif
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#ifndef MOVE_MOUNT__MASK
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# define MOVE_MOUNT__MASK 0x00000077
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#endif
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#if !defined(HAVE_MOVE_MOUNT) && defined(SYS_move_mount)
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static inline int move_mount(int from_dfd, const char *from_pathname, int to_dfd,
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const char *to_pathname, unsigned int flags)
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{
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return syscall(SYS_move_mount, from_dfd, from_pathname, to_dfd,
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to_pathname, flags);
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}
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#endif
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#ifndef MOUNT_ATTR_RDONLY
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# define MOUNT_ATTR_RDONLY 0x00000001
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#endif
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#ifndef MOUNT_ATTR_NOSUID
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# define MOUNT_ATTR_NOSUID 0x00000002
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#endif
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#ifndef MOUNT_ATTR_NOEXEC
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# define MOUNT_ATTR_NOEXEC 0x00000008
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#endif
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#ifndef MOUNT_ATTR__ATIME
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# define MOUNT_ATTR__ATIME 0x00000070
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#endif
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#ifndef MOUNT_ATTR_RELATIME
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# define MOUNT_ATTR_RELATIME 0x00000000
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#endif
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#ifndef MOUNT_ATTR_NOATIME
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# define MOUNT_ATTR_NOATIME 0x00000010
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#endif
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#ifndef MOUNT_ATTR_STRICTATIME
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# define MOUNT_ATTR_STRICTATIME 0x00000020
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#endif
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#ifndef MOUNT_ATTR_NODIRATIME
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# define MOUNT_ATTR_NODIRATIME 0x00000080
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#endif
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#ifndef MOUNT_ATTR_IDMAP
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# define MOUNT_ATTR_IDMAP 0x00100000
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#endif
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#ifndef MOUNT_ATTR_NOSYMFOLLOW
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# define MOUNT_ATTR_NOSYMFOLLOW 0x00200000
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#endif
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#ifndef HAVE_STRUCT_MOUNT_ATTR
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# include <inttypes.h>
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struct mount_attr {
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uint64_t attr_set;
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uint64_t attr_clr;
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uint64_t propagation;
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uint64_t userns_fd;
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};
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#endif
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#if !defined(HAVE_MOUNT_SETATTR) && defined(SYS_mount_setattr)
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static inline int mount_setattr(int dfd, const char *path, unsigned int flags,
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struct mount_attr *attr, size_t size)
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{
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return syscall(SYS_mount_setattr, dfd, path, flags, attr, size);
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}
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#endif
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#ifndef HAVE_ENUM_FSCONFIG_COMMAND
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enum fsconfig_command {
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FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
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FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */
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FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */
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FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */
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FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */
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FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */
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FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */
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FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */
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};
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#endif
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#if !defined(HAVE_FSCONFIG) && defined(SYS_fsconfig)
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static inline int fsconfig(int fd, unsigned int cmd, const char *key,
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const void *value, int aux)
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{
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return syscall(SYS_fsconfig, fd, cmd, key, value, aux);
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}
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#endif
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#ifndef FSOPEN_CLOEXEC
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# define FSOPEN_CLOEXEC 0x00000001
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#endif
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#if !defined(HAVE_FSOPEN) && defined(SYS_fsopen)
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static inline int fsopen(const char *fsname, unsigned int flags)
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{
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return syscall(SYS_fsopen, fsname, flags);
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}
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#endif
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#ifndef FSMOUNT_CLOEXEC
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# define FSMOUNT_CLOEXEC 0x00000001
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#endif
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#if !defined(HAVE_FSMOUNT) && defined(SYS_fsmount)
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static inline int fsmount(int fd, unsigned int flags, unsigned int mount_attrs)
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{
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return syscall(SYS_fsmount, fd, flags, mount_attrs);
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}
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#endif
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#ifndef FSPICK_CLOEXEC
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# define FSPICK_CLOEXEC 0x00000001
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#endif
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#ifndef FSPICK_SYMLINK_NOFOLLOW
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# define FSPICK_SYMLINK_NOFOLLOW 0x00000002
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#endif
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#ifndef FSPICK_NO_AUTOMOUNT
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# define FSPICK_NO_AUTOMOUNT 0x00000004
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#endif
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#ifdef FSPICK_EMPTY_PATH
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# define FSPICK_EMPTY_PATH 0x00000008
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#endif
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#if !defined(HAVE_FSPICK) && defined(SYS_fspick)
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static inline int fspick(int dfd, const char *pathname, unsigned int flags)
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{
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return syscall(SYS_fspick, dfd, pathname, flags);
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}
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#endif
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#endif /* HAVE_MOUNTFD_API */
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#endif /* UTIL_LINUX_MOUNT_API_UTILS */
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