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Damien Neil c08a5fa413 [release-branch.go1.19] net/http: permit requests with invalid Host headers 
Historically, the Transport has silently truncated invalid
Host headers at the first '/' or ' ' character. CL 506996 changed
this behavior to reject invalid Host headers entirely.
Unfortunately, Docker appears to rely on the previous behavior.

When sending a HTTP/1 request with an invalid Host, send an empty
Host header. This is safer than truncation: If you care about the
Host, then you should get the one you set; if you don't care,
then an empty Host should be fine.

Continue to fully validate Host headers sent to a proxy,
since proxies generally can't productively forward requests
without a Host.

For #60374
Fixes #61431
Fixes #61825

Change-Id: If170c7dd860aa20eb58fe32990fc93af832742b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/511155
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Run-TryBot: Damien Neil <dneil@google.com>
(cherry picked from commit b9153f6ef3)
Reviewed-on: https://go-review.googlesource.com/c/go/+/518855
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
 		2023-08-14 21:56:59 +00:00
..
http [release-branch.go1.19] net/http: permit requests with invalid Host headers 2023-08-14 21:56:59 +00:00
internal/socktest internal/poll, net, syscall: use accept4 on solaris 2022-05-03 14:38:32 +00:00
mail all: gofmt main repo 2022-04-11 16:34:30 +00:00
netip net/netip: add missing ) in ParsePrefix errors 2022-06-15 20:07:10 +00:00
rpc all: gofmt main repo 2022-04-11 16:34:30 +00:00
smtp all: gofmt main repo 2022-04-11 16:34:30 +00:00
testdata
…
textproto [release-branch.go1.19] mime/multipart: limit parsed mime message sizes 2023-04-04 16:47:48 +00:00
url [release-branch.go1.19] net/url: consistently remove ../ elements in JoinPath 2022-08-29 19:13:49 +00:00
addrselect.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
addrselect_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_aix.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_android.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_bsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_linux.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_netbsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_openbsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_resnew.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_resold.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_socknew.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_sockold.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_solaris.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
cgo_stub.go net: don't set netGo = true on Windows with no cgo 2022-06-22 16:18:44 +00:00
cgo_unix.go all: gofmt main repo 2022-04-11 16:34:30 +00:00
cgo_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
cgo_windows.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
conf.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
conf_netcgo.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
conf_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
conn_test.go net: lengthen arbitrary SetDeadline timeout by a few orders of magnitude 2021-12-17 02:00:14 +00:00
dial.go net: fix testHookDialTCP race 2022-06-08 17:11:00 +00:00
dial_test.go net: avoid darwin_arm64 bug in TestDialParallelSpuriousConnection 2022-06-13 19:00:03 +00:00
dial_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
dnsclient.go net: use fastrand64 in randInt 2022-04-21 17:46:26 +00:00
dnsclient_test.go
…
dnsclient_unix.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
dnsclient_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
dnsconfig.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
dnsconfig_unix.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
dnsconfig_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
dnsconfig_windows.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
dnsname_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
error_plan9.go
…
error_plan9_test.go net: refactor TestWriteToTimeout 2021-12-13 16:44:13 +00:00
error_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
error_posix_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
error_test.go net: support error.Is of network errors and context errors 2022-04-03 15:43:15 +00:00
error_unix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
error_unix_test.go net: refactor TestWriteToTimeout 2021-12-13 16:44:13 +00:00
error_windows.go
…
error_windows_test.go net: refactor TestWriteToTimeout 2021-12-13 16:44:13 +00:00
example_test.go net: add examples for remaining IP functions 2021-10-13 16:36:59 +00:00
external_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
fcntl_libc_test.go all: separate doc comment from //go: directives 2022-04-05 17:54:15 +00:00
fcntl_syscall_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
fd_plan9.go
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fd_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
fd_unix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
fd_windows.go
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file.go
…
file_plan9.go
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file_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
file_test.go net: pass a testing.TB to newLocal* helpers 2021-12-13 16:42:23 +00:00
file_unix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
file_windows.go
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hook.go
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hook_plan9.go
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hook_unix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
hook_windows.go
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hosts.go
…
hosts_test.go
…
interface.go
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interface_aix.go
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interface_bsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
interface_bsd_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
interface_bsdvar.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
interface_darwin.go
…
interface_freebsd.go net: don't use syscall.NET_RT_IFLISTL on FreeBSD 2021-10-02 16:05:55 +00:00
interface_linux.go
…
interface_linux_test.go
…
interface_plan9.go
…
interface_solaris.go
…
interface_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
interface_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
interface_unix_test.go [release-branch.go1.19] net: tolerate permission errors in interface tests 2023-07-19 20:51:43 +00:00
interface_windows.go
…
ip.go net: do not panic on nil IPNet.String() 2022-01-05 01:53:39 +00:00
ip_test.go net: do not panic on nil IPNet.String() 2022-01-05 01:53:39 +00:00
iprawsock.go
…
iprawsock_plan9.go
…
iprawsock_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
iprawsock_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
ipsock.go
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ipsock_plan9.go
…
ipsock_plan9_test.go
…
ipsock_posix.go net: fix WriteMsgUDPAddrPort addr handling 2022-07-26 20:27:23 +00:00
ipsock_test.go
…
listen_test.go net: avoid racing on port reuse in TestListenConfigControl 2022-05-09 18:10:01 +00:00
lookup.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
lookup_fake.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
lookup_plan9.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
lookup_test.go [release-branch.go1.19] net: reenable SRV tests with _ldap._tcp.google.com 2022-12-09 20:13:09 +00:00
lookup_unix.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
lookup_windows.go net: avoid infinite recursion in Windows Resolver.lookupTXT 2022-06-15 00:03:12 +00:00
lookup_windows_test.go net: really skip Windows PTR tests if we say we are skipping them 2022-06-27 22:22:47 +00:00
mac.go all: gofmt main repo 2022-04-11 16:34:30 +00:00
mac_test.go
…
main_cloexec_test.go internal/poll, net, syscall: use accept4 on solaris 2022-05-03 14:38:32 +00:00
main_conf_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
main_noconf_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
main_plan9_test.go
…
main_posix_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
main_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
main_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
main_windows_test.go
…
mockserver_test.go net: avoid racing on port reuse in TestListenConfigControl 2022-05-09 18:10:01 +00:00
net.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
net_fake.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
net_test.go net: avoid darwin/arm64 platform bug in TestCloseWrite 2022-06-27 18:18:08 +00:00
net_windows_test.go net: skip tests that use netsh on the windows-arm64-10 builder 2022-03-31 21:21:20 +00:00
netgo.go net: don't set netGo = true on Windows with no cgo 2022-06-22 16:18:44 +00:00
netgo_unix_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
nss.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
nss_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
packetconn_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
parse.go net/netip: add new IP address package 2021-11-02 01:28:01 +00:00
parse_test.go net/netip: add new IP address package 2021-11-02 01:28:01 +00:00
pipe.go
…
pipe_test.go
…
platform_test.go all: gofmt -w -r 'interface{} -> any' src 2021-12-13 18:45:54 +00:00
port.go
…
port_test.go
…
port_unix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
protoconn_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
rawconn.go
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rawconn_stub_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
rawconn_test.go net: pass a testing.TB to newLocal* helpers 2021-12-13 16:42:23 +00:00
rawconn_unix_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
rawconn_windows_test.go
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resolverdialfunc_test.go net: permit use of Resolver.PreferGo, netgo on Windows and Plan 9 2022-05-30 21:23:29 +00:00
sendfile_linux.go
…
sendfile_stub.go net: do not use sendfile on iOS 2021-12-01 15:58:46 +00:00
sendfile_test.go net: pass a testing.TB to newLocal* helpers 2021-12-13 16:42:23 +00:00
sendfile_unix_alt.go net: do not use sendfile on iOS 2021-12-01 15:58:46 +00:00
sendfile_windows.go
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server_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
sock_bsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sock_cloexec.go net: remove fallback path in sysSocket 2022-05-03 18:23:13 +00:00
sock_linux.go all: gofmt main repo 2022-04-11 16:34:30 +00:00
sock_linux_test.go
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sock_plan9.go
…
sock_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
sock_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sock_windows.go
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sockaddr_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
sockopt_aix.go
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sockopt_bsd.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sockopt_linux.go
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sockopt_plan9.go
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sockopt_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
sockopt_solaris.go
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sockopt_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sockopt_windows.go
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sockoptip_bsdvar.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sockoptip_linux.go
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sockoptip_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
sockoptip_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
sockoptip_windows.go
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splice_linux.go
…
splice_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
splice_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
sys_cloexec.go internal/poll, net, syscall: use accept4 on solaris 2022-05-03 14:38:32 +00:00
tcpsock.go net: add conversion from AddrPort to TCPAddr to complement existing inverse 2021-11-11 11:00:33 +00:00
tcpsock_plan9.go net: fix testHookDialTCP race 2022-06-08 17:11:00 +00:00
tcpsock_posix.go net: fix testHookDialTCP race 2022-06-08 17:11:00 +00:00
tcpsock_test.go [release-branch.go1.19] net: delete TestTCPSelfConnect 2023-03-01 18:00:41 +00:00
tcpsock_unix_test.go net: pass a testing.TB to newLocal* helpers 2021-12-13 16:42:23 +00:00
tcpsockopt_darwin.go
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tcpsockopt_dragonfly.go
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tcpsockopt_openbsd.go
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tcpsockopt_plan9.go
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tcpsockopt_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
tcpsockopt_solaris.go
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tcpsockopt_stub.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
tcpsockopt_unix.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
tcpsockopt_windows.go
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timeout_test.go os: simplify deadline fluctuation tests 2022-06-30 19:37:21 +00:00
udpsock.go net: document UDPConn.ReadFromUDPAddrPort's AddrPort result more 2022-07-27 15:04:58 +00:00
udpsock_plan9.go net: add ReadFromUDPAddrPort 2021-11-02 18:35:35 +00:00
udpsock_plan9_test.go
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udpsock_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
udpsock_test.go net: fix WriteMsgUDPAddrPort addr handling 2022-07-26 20:27:23 +00:00
unixsock.go
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unixsock_linux_test.go
…
unixsock_plan9.go
…
unixsock_posix.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
unixsock_readmsg_cloexec.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
unixsock_readmsg_cmsg_cloexec.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
unixsock_readmsg_other.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
unixsock_readmsg_test.go all: use new "unix" build tag where appropriate 2022-03-29 16:24:51 +00:00
unixsock_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
unixsock_windows_test.go net: create unix sockets in unique directories 2021-12-13 16:42:31 +00:00
write_unix_test.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00
writev_test.go net: pass a testing.TB to newLocal* helpers 2021-12-13 16:42:23 +00:00
writev_unix.go all: go fix -fix=buildtag std cmd (except for bootstrap deps, vendor) 2021-10-28 18:17:57 +00:00