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Zeling FengandgVisor bot
611e6e1247
Some hosts use iptables and are configured to respond an ICMP destination
unreachable message with a {host/net/admin}prohibited code instead of a RST.
Linux handles these codes correctly by aborting the handshake. This commit
adds handling of all possible codes of an ICMPv4 destination unreachable message
to bring gVisor to parity.
PiperOrigin-RevId: 496703813
188 lines
3.2 KiB
Go
188 lines
3.2 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package errno holds errno codes for abi/linux.
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package errno
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// Errno represents a Linux errno value.
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type Errno uint32
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// Errno values from include/uapi/asm-generic/errno-base.h.
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const (
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NOERRNO = iota
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EPERM
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ENOENT
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ESRCH
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EINTR
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EIO
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ENXIO
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E2BIG
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ENOEXEC
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EBADF
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ECHILD // 10
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EAGAIN
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ENOMEM
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EACCES
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EFAULT
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ENOTBLK
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EBUSY
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EEXIST
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EXDEV
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ENODEV
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ENOTDIR // 20
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EISDIR
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EINVAL
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ENFILE
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EMFILE
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ENOTTY
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ETXTBSY
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EFBIG
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ENOSPC
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ESPIPE
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EROFS // 30
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EMLINK
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EPIPE
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EDOM
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ERANGE
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// Errno values from include/uapi/asm-generic/errno.h.
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EDEADLK
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ENAMETOOLONG
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ENOLCK
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ENOSYS
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ENOTEMPTY
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ELOOP // 40
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_ // Skip for EWOULDBLOCK = EAGAIN.
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ENOMSG //42
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EIDRM
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ECHRNG
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EL2NSYNC
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EL3HLT
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EL3RST
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ELNRNG
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EUNATCH
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ENOCSI
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EL2HLT // 50
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EBADE
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EBADR
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EXFULL
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ENOANO
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EBADRQC
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EBADSLT
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_ // Skip for EDEADLOCK = EDEADLK.
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EBFONT
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ENOSTR // 60
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ENODATA
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ETIME
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ENOSR
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ENONET
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ENOPKG
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EREMOTE
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ENOLINK
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EADV
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ESRMNT
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ECOMM // 70
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EPROTO
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EMULTIHOP
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EDOTDOT
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EBADMSG
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EOVERFLOW
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ENOTUNIQ
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EBADFD
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EREMCHG
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ELIBACC
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ELIBBAD // 80
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ELIBSCN
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ELIBMAX
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ELIBEXEC
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EILSEQ
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ERESTART
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ESTRPIPE
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EUSERS
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ENOTSOCK
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EDESTADDRREQ
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EMSGSIZE // 90
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EPROTOTYPE
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ENOPROTOOPT
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EPROTONOSUPPORT
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ESOCKTNOSUPPORT
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EOPNOTSUPP
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EPFNOSUPPORT
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EAFNOSUPPORT
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EADDRINUSE
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EADDRNOTAVAIL
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ENETDOWN // 100
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ENETUNREACH
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ENETRESET
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ECONNABORTED
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ECONNRESET
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ENOBUFS
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EISCONN
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ENOTCONN
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ESHUTDOWN
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ETOOMANYREFS
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ETIMEDOUT // 110
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ECONNREFUSED
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EHOSTDOWN
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EHOSTUNREACH
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EALREADY
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EINPROGRESS
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ESTALE
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EUCLEAN
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ENOTNAM
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ENAVAIL
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EISNAM // 120
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EREMOTEIO
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EDQUOT
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ENOMEDIUM
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EMEDIUMTYPE
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ECANCELED
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ENOKEY
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EKEYEXPIRED
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EKEYREVOKED
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EKEYREJECTED
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EOWNERDEAD // 130
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ENOTRECOVERABLE
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ERFKILL
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EHWPOISON
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)
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// errnos derived from other errnos.
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const (
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EWOULDBLOCK = EAGAIN
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EDEADLOCK = EDEADLK
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)
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// errnos for internal errors.
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const (
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// ERESTARTSYS is returned by an interrupted syscall to indicate that it
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// should be converted to EINTR if interrupted by a signal delivered to a
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// user handler without SA_RESTART set, and restarted otherwise.
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ERESTARTSYS = 512
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// ERESTARTNOINTR is returned by an interrupted syscall to indicate that it
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// should always be restarted.
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ERESTARTNOINTR = 513
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// ERESTARTNOHAND is returned by an interrupted syscall to indicate that it
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// should be converted to EINTR if interrupted by a signal delivered to a
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// user handler, and restarted otherwise.
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ERESTARTNOHAND = 514
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// ERESTART_RESTARTBLOCK is returned by an interrupted syscall to indicate
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// that it should be restarted using a custom function. The interrupted
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// syscall must register a custom restart function by calling
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// Task.SetRestartSyscallFn.
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ERESTART_RESTARTBLOCK = 516
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)
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