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-rw-r--r--pkg/abi/linux/BUILD3
-rw-r--r--pkg/abi/linux/fcntl.go41
-rw-r--r--pkg/abi/linux/file.go52
-rw-r--r--pkg/abi/linux/file_amd64.go34
-rw-r--r--pkg/abi/linux/file_arm64.go35
-rw-r--r--pkg/abi/linux/fs.go7
-rw-r--r--pkg/abi/linux/netlink_route.go6
-rw-r--r--pkg/abi/linux/socket.go21
-rw-r--r--pkg/abi/linux/xattr.go27
9 files changed, 191 insertions, 35 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD
index 7c17109a6..9553f164d 100644
--- a/pkg/abi/linux/BUILD
+++ b/pkg/abi/linux/BUILD
@@ -23,6 +23,8 @@ go_library(
"exec.go",
"fcntl.go",
"file.go",
+ "file_amd64.go",
+ "file_arm64.go",
"fs.go",
"futex.go",
"inotify.go",
@@ -55,6 +57,7 @@ go_library(
"uio.go",
"utsname.go",
"wait.go",
+ "xattr.go",
],
importpath = "gvisor.dev/gvisor/pkg/abi/linux",
visibility = ["//visibility:public"],
diff --git a/pkg/abi/linux/fcntl.go b/pkg/abi/linux/fcntl.go
index f78315ebf..6663a199c 100644
--- a/pkg/abi/linux/fcntl.go
+++ b/pkg/abi/linux/fcntl.go
@@ -16,15 +16,17 @@ package linux
// Commands from linux/fcntl.h.
const (
- F_DUPFD = 0x0
- F_GETFD = 0x1
- F_SETFD = 0x2
- F_GETFL = 0x3
- F_SETFL = 0x4
- F_SETLK = 0x6
- F_SETLKW = 0x7
- F_SETOWN = 0x8
- F_GETOWN = 0x9
+ F_DUPFD = 0
+ F_GETFD = 1
+ F_SETFD = 2
+ F_GETFL = 3
+ F_SETFL = 4
+ F_SETLK = 6
+ F_SETLKW = 7
+ F_SETOWN = 8
+ F_GETOWN = 9
+ F_SETOWN_EX = 15
+ F_GETOWN_EX = 16
F_DUPFD_CLOEXEC = 1024 + 6
F_SETPIPE_SZ = 1024 + 7
F_GETPIPE_SZ = 1024 + 8
@@ -32,9 +34,9 @@ const (
// Commands for F_SETLK.
const (
- F_RDLCK = 0x0
- F_WRLCK = 0x1
- F_UNLCK = 0x2
+ F_RDLCK = 0
+ F_WRLCK = 1
+ F_UNLCK = 2
)
// Flags for fcntl.
@@ -42,7 +44,7 @@ const (
FD_CLOEXEC = 00000001
)
-// Lock structure for F_SETLK.
+// Flock is the lock structure for F_SETLK.
type Flock struct {
Type int16
Whence int16
@@ -52,3 +54,16 @@ type Flock struct {
Pid int32
_ [4]byte
}
+
+// Flags for F_SETOWN_EX and F_GETOWN_EX.
+const (
+ F_OWNER_TID = 0
+ F_OWNER_PID = 1
+ F_OWNER_PGRP = 2
+)
+
+// FOwnerEx is the owner structure for F_SETOWN_EX and F_GETOWN_EX.
+type FOwnerEx struct {
+ Type int32
+ PID int32
+}
diff --git a/pkg/abi/linux/file.go b/pkg/abi/linux/file.go
index 257f67222..16791d03e 100644
--- a/pkg/abi/linux/file.go
+++ b/pkg/abi/linux/file.go
@@ -144,9 +144,13 @@ const (
ModeCharacterDevice = S_IFCHR
ModeNamedPipe = S_IFIFO
- ModeSetUID = 04000
- ModeSetGID = 02000
- ModeSticky = 01000
+ S_ISUID = 04000
+ S_ISGID = 02000
+ S_ISVTX = 01000
+
+ ModeSetUID = S_ISUID
+ ModeSetGID = S_ISGID
+ ModeSticky = S_ISVTX
ModeUserAll = 0700
ModeUserRead = 0400
@@ -186,25 +190,6 @@ const (
RWF_VALID = RWF_HIPRI | RWF_DSYNC | RWF_SYNC
)
-// Stat represents struct stat.
-type Stat struct {
- Dev uint64
- Ino uint64
- Nlink uint64
- Mode uint32
- UID uint32
- GID uint32
- _ int32
- Rdev uint64
- Size int64
- Blksize int64
- Blocks int64
- ATime Timespec
- MTime Timespec
- CTime Timespec
- _ [3]int64
-}
-
// SizeOfStat is the size of a Stat struct.
var SizeOfStat = binary.Size(Stat{})
@@ -301,6 +286,29 @@ func (m FileMode) String() string {
return strings.Join(s, "|")
}
+// DirentType maps file types to dirent types appropriate for (struct
+// dirent)::d_type.
+func (m FileMode) DirentType() uint8 {
+ switch m.FileType() {
+ case ModeSocket:
+ return DT_SOCK
+ case ModeSymlink:
+ return DT_LNK
+ case ModeRegular:
+ return DT_REG
+ case ModeBlockDevice:
+ return DT_BLK
+ case ModeDirectory:
+ return DT_DIR
+ case ModeCharacterDevice:
+ return DT_CHR
+ case ModeNamedPipe:
+ return DT_FIFO
+ default:
+ return DT_UNKNOWN
+ }
+}
+
var modeExtraBits = abi.FlagSet{
{
Flag: ModeSetUID,
diff --git a/pkg/abi/linux/file_amd64.go b/pkg/abi/linux/file_amd64.go
new file mode 100644
index 000000000..74c554be6
--- /dev/null
+++ b/pkg/abi/linux/file_amd64.go
@@ -0,0 +1,34 @@
+// Copyright 2018 The gVisor Authors.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package linux
+
+// Stat represents struct stat.
+type Stat struct {
+ Dev uint64
+ Ino uint64
+ Nlink uint64
+ Mode uint32
+ UID uint32
+ GID uint32
+ _ int32
+ Rdev uint64
+ Size int64
+ Blksize int64
+ Blocks int64
+ ATime Timespec
+ MTime Timespec
+ CTime Timespec
+ _ [3]int64
+}
diff --git a/pkg/abi/linux/file_arm64.go b/pkg/abi/linux/file_arm64.go
new file mode 100644
index 000000000..f16c07589
--- /dev/null
+++ b/pkg/abi/linux/file_arm64.go
@@ -0,0 +1,35 @@
+// Copyright 2019 The gVisor Authors.
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package linux
+
+// Stat represents struct stat.
+type Stat struct {
+ Dev uint64
+ Ino uint64
+ Mode uint32
+ Nlink uint32
+ UID uint32
+ GID uint32
+ Rdev uint64
+ _ uint64
+ Size int64
+ Blksize int32
+ _ int32
+ Blocks int64
+ ATime Timespec
+ MTime Timespec
+ CTime Timespec
+ _ [2]int32
+}
diff --git a/pkg/abi/linux/fs.go b/pkg/abi/linux/fs.go
index b416e3472..2c652baa2 100644
--- a/pkg/abi/linux/fs.go
+++ b/pkg/abi/linux/fs.go
@@ -92,3 +92,10 @@ const (
SYNC_FILE_RANGE_WRITE = 2
SYNC_FILE_RANGE_WAIT_AFTER = 4
)
+
+// Flag argument to renameat2(2), from include/uapi/linux/fs.h.
+const (
+ RENAME_NOREPLACE = (1 << 0) // Don't overwrite target.
+ RENAME_EXCHANGE = (1 << 1) // Exchange src and dst.
+ RENAME_WHITEOUT = (1 << 2) // Whiteout src.
+)
diff --git a/pkg/abi/linux/netlink_route.go b/pkg/abi/linux/netlink_route.go
index 152f6b144..3898d2314 100644
--- a/pkg/abi/linux/netlink_route.go
+++ b/pkg/abi/linux/netlink_route.go
@@ -325,3 +325,9 @@ const (
RTA_SPORT = 28
RTA_DPORT = 29
)
+
+// Route flags, from include/uapi/linux/route.h.
+const (
+ RTF_GATEWAY = 0x2
+ RTF_UP = 0x1
+)
diff --git a/pkg/abi/linux/socket.go b/pkg/abi/linux/socket.go
index d5b731390..766ee4014 100644
--- a/pkg/abi/linux/socket.go
+++ b/pkg/abi/linux/socket.go
@@ -256,6 +256,17 @@ type SockAddrInet6 struct {
Scope_id uint32
}
+// SockAddrLink is a struct sockaddr_ll, from uapi/linux/if_packet.h.
+type SockAddrLink struct {
+ Family uint16
+ Protocol uint16
+ InterfaceIndex int32
+ ARPHardwareType uint16
+ PacketType byte
+ HardwareAddrLen byte
+ HardwareAddr [8]byte
+}
+
// UnixPathMax is the maximum length of the path in an AF_UNIX socket.
//
// From uapi/linux/un.h.
@@ -278,6 +289,7 @@ type SockAddr interface {
func (s *SockAddrInet) implementsSockAddr() {}
func (s *SockAddrInet6) implementsSockAddr() {}
+func (s *SockAddrLink) implementsSockAddr() {}
func (s *SockAddrUnix) implementsSockAddr() {}
func (s *SockAddrNetlink) implementsSockAddr() {}
@@ -410,6 +422,15 @@ type ControlMessageRights []int32
// ControlMessageRights.
const SizeOfControlMessageRight = 4
+// SizeOfControlMessageInq is the size of a TCP_INQ control message.
+const SizeOfControlMessageInq = 4
+
+// SizeOfControlMessageTOS is the size of an IP_TOS control message.
+const SizeOfControlMessageTOS = 1
+
+// SizeOfControlMessageTClass is the size of an IPV6_TCLASS control message.
+const SizeOfControlMessageTClass = 4
+
// SCM_MAX_FD is the maximum number of FDs accepted in a single sendmsg call.
// From net/scm.h.
const SCM_MAX_FD = 253
diff --git a/pkg/abi/linux/xattr.go b/pkg/abi/linux/xattr.go
new file mode 100644
index 000000000..a3b6406fa
--- /dev/null
+++ b/pkg/abi/linux/xattr.go
@@ -0,0 +1,27 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package linux
+
+// Constants for extended attributes.
+const (
+ XATTR_NAME_MAX = 255
+ XATTR_SIZE_MAX = 65536
+
+ XATTR_CREATE = 1
+ XATTR_REPLACE = 2
+
+ XATTR_USER_PREFIX = "user."
+ XATTR_USER_PREFIX_LEN = len(XATTR_USER_PREFIX)
+)
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-23 14:01:41 +0000