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10 Commits

Author SHA1 Message Date
jordi fita mas 13c5968333 Add Debian packaging 2023-06-14 23:09:29 +02:00
Simon Ser 2eeb3e87a5 Upgrade dependencies 2022-11-16 16:54:30 +01:00
Simon Ser bf12dd3871 Use net.ErrClosed 2022-07-07 10:55:25 +02:00
Simon Ser bc53657f5d Upgrade certmagic to v0.16 2022-07-07 10:49:10 +02:00
Simon Ser 9a879327c3 Disallow frontends without any listening address 2022-06-25 11:46:14 +02:00
Simon Ser d1812162a8 Add listen directive
This provides a multi-line way to list addresses.
2022-06-25 11:43:16 +02:00
Simon Ser 826cbd7fe1 Log net.Listener.Close errors 2022-02-03 10:42:06 +01:00
Simon Ser 859c993a82 Retry on temporary net.Listener failure
Instead of stopping to listen, retry on temporary failure. This
can happen when running out of FDs.
2022-02-03 10:36:08 +01:00
Simon Ser 759013750f Bump RLIMIT_NOFILE
We're a TCP server, we'll handle potentially a lot of FDs.

See https://0pointer.net/blog/file-descriptor-limits.html
2022-02-03 10:27:16 +01:00
Simon Ser 4bf50457dc Ignore EOF on tls.Conn.Handshake
This happens when using the tls-alpn-01 challange.
2022-02-03 10:22:53 +01:00
15 changed files with 268 additions and 105 deletions

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@ -41,7 +41,7 @@ func newServer() (*tlstunnel.Server, error) {
return nil, fmt.Errorf("failed to initialize zap logger: %w", err) return nil, fmt.Errorf("failed to initialize zap logger: %w", err)
} }
srv.ACMEConfig.Logger = logger srv.ACMEConfig.Logger = logger
srv.ACMEManager.Logger = logger srv.ACMEIssuer.Logger = logger
if certDataPath != "" { if certDataPath != "" {
srv.ACMEConfig.Storage = &certmagic.FileStorage{Path: certDataPath} srv.ACMEConfig.Storage = &certmagic.FileStorage{Path: certDataPath}
@ -54,10 +54,26 @@ func newServer() (*tlstunnel.Server, error) {
return srv, nil return srv, nil
} }
func bumpOpenedFileLimit() error {
var rlimit syscall.Rlimit
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit); err != nil {
return fmt.Errorf("failed to get RLIMIT_NOFILE: %v", err)
}
rlimit.Cur = rlimit.Max
if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rlimit); err != nil {
return fmt.Errorf("failed to set RLIMIT_NOFILE: %v", err)
}
return nil
}
func main() { func main() {
flag.StringVar(&configPath, "config", configPath, "path to configuration file") flag.StringVar(&configPath, "config", configPath, "path to configuration file")
flag.Parse() flag.Parse()
if err := bumpOpenedFileLimit(); err != nil {
log.Printf("failed to bump max number of opened files: %v", err)
}
srv, err := newServer() srv, err := newServer()
if err != nil { if err != nil {
log.Fatalf("failed to create server: %v", err) log.Fatalf("failed to create server: %v", err)

5
debian/changelog vendored Normal file
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@ -0,0 +1,5 @@
tlstunnel (0.2.0-1) bullseye; urgency=medium
* Add Debian packaging
-- jordi fita mas <jordi@tandem.blog> Wed, 14 Jun 2023 20:40:39 +0000

37
debian/control vendored Normal file
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@ -0,0 +1,37 @@
Source: tlstunnel
Section: net
Priority: optional
Maintainer: jordi fita mas <jordi@tandem.blog>
Build-Depends:
debhelper-compat (= 13),
dh-golang,
golang-any,
golang-sourcehut-emersion-go-scfg-dev,
golang-github-caddyserver-certmagic-dev,
golang-github-klauspost-cpuid-dev,
golang-github-libdns-libdns-dev,
golang-github-pires-go-proxyproto-dev,
golang-github-pkg-errors-dev,
golang-go.uber-atomic-dev,
golang-go.uber-multierr-dev,
golang-go.uber-zap-dev,
golang-golang-x-crypto-dev,
golang-golang-x-tools-dev,
scdoc
Standards-Version: 4.6.0
Vcs-Browser: https://git.sr.ht/~emersion/tlstunnel/tree
Vcs-Git: https://git.sr.ht/~emersion/tlstunnel
Homepage: https://git.sr.ht/~emersion/tlstunnel
Rules-Requires-Root: no
XS-Go-Import-Path: git.sr.ht/~emersion/tlstunnel
Package: tlstunnel
Architecture: any
Depends:
${shlibs:Depends},
${misc:Depends}
Built-Using: ${misc:Built-Using}
description: TLS reverse proxy
.
It features: Automatic TLS with Let's Encrypt, routing incoming connections to
backends using Server Name Indication, and support for the PROXY protocol.

31
debian/copyright vendored Normal file
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@ -0,0 +1,31 @@
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://git.sr.ht/~emersion/tlstunnel
Upstream-Name: tlstunnel
Upstream-Contact: ~emersion/public-inbox@lists.sr.ht
Files: *
Copyright: 20202023 Simon Ser
License: MIT
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
.
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
Files: debian/*
Copyright: 2023 jordi fita mas
License: MIT
This debian package is distributed under the same license as the source
package.

1
debian/manpages vendored Normal file
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@ -0,0 +1 @@
tlstunnel.1

40
debian/postinst vendored Normal file
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@ -0,0 +1,40 @@
#!/bin/sh
set -e
. /usr/share/debconf/confmodule
case "$1" in
configure)
# Create tlstunnel user and group
if ! getent group tlstunnel >/dev/null; then
addgroup --system --quiet tlstunnel
fi
if ! getent passwd tlstunnel >/dev/null; then
adduser --quiet \
--system \
--disabled-login \
--no-create-home \
--shell /bin/bash \
--ingroup tlstunnel \
--home /var/lib/tlstunnel \
--gecos "tlstunnel daemon" \
tlstunnel
fi
# Make sure lib directory has correct permissions set
dpkg-statoverride --list "/var/lib/tlstunnel" >/dev/null || \
dpkg-statoverride --add --force --quiet --update tlstunnel adm 0750 /var/lib/tlstunnel
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
#DEBHELPER#
exit 0

7
debian/rules vendored Executable file
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@ -0,0 +1,7 @@
#!/usr/bin/make -f
%:
dh $@ --builddirectory=_build --buildsystem=golang --with=golang
execute_before_dh_auto_build:
make tlstunnel.1

1
debian/source/format vendored Normal file
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@ -0,0 +1 @@
3.0 (quilt)

1
debian/tlstunnel.service vendored Symbolic link
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@ -0,0 +1 @@
../contrib/systemd/tlstunnel.service

1
debian/tlstunnel.tmpfiles vendored Symbolic link
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@ -0,0 +1 @@
../contrib/systemd/tlstunnel.tmpfiles

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@ -59,7 +59,16 @@ func parseFrontend(srv *Server, d *scfg.Directive) error {
frontend.Protocols = protocolDirective.Params frontend.Protocols = protocolDirective.Params
} }
for _, addr := range d.Params { addresses := append([]string(nil), d.Params...)
for _, listenDirective := range d.Children.GetAll("listen") {
addresses = append(addresses, listenDirective.Params...)
}
if len(addresses) == 0 {
return fmt.Errorf("missing listening addresses in frontend block")
}
for _, addr := range addresses {
host, port, err := net.SplitHostPort(addr) host, port, err := net.SplitHostPort(addr)
if err != nil { if err != nil {
return fmt.Errorf("failed to parse frontend address %q: %v", addr, err) return fmt.Errorf("failed to parse frontend address %q: %v", addr, err)
@ -155,13 +164,13 @@ func parseTLS(srv *Server, d *scfg.Directive) error {
if err := child.ParseParams(&caURL); err != nil { if err := child.ParseParams(&caURL); err != nil {
return err return err
} }
srv.ACMEManager.CA = caURL srv.ACMEIssuer.CA = caURL
case "email": case "email":
var email string var email string
if err := child.ParseParams(&email); err != nil { if err := child.ParseParams(&email); err != nil {
return err return err
} }
srv.ACMEManager.Email = email srv.ACMEIssuer.Email = email
case "on_demand": case "on_demand":
if err := parseTLSOnDemand(srv, child); err != nil { if err := parseTLSOnDemand(srv, child); err != nil {
return err return err

24
go.mod
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@ -1,22 +1,16 @@
module git.sr.ht/~emersion/tlstunnel module git.sr.ht/~emersion/tlstunnel
go 1.15 go 1.16
require ( require (
git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99 git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99
github.com/caddyserver/certmagic v0.15.3 github.com/caddyserver/certmagic v0.17.2
github.com/klauspost/cpuid/v2 v2.0.10 // indirect github.com/klauspost/cpuid/v2 v2.2.1 // indirect
github.com/mholt/acmez v1.0.2 // indirect github.com/pires/go-proxyproto v0.6.2
github.com/miekg/dns v1.1.45 // indirect
github.com/pires/go-proxyproto v0.6.1
github.com/pkg/errors v0.9.1 // indirect github.com/pkg/errors v0.9.1 // indirect
go.uber.org/atomic v1.9.0 // indirect go.uber.org/atomic v1.10.0 // indirect
go.uber.org/multierr v1.7.0 // indirect go.uber.org/multierr v1.8.0 // indirect
go.uber.org/zap v1.20.0 go.uber.org/zap v1.23.0
golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838 // indirect golang.org/x/crypto v0.2.0 // indirect
golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect golang.org/x/tools v0.3.0 // indirect
golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd // indirect
golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27 // indirect
golang.org/x/tools v0.1.9 // indirect
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
) )

123
go.sum
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@ -1,138 +1,119 @@
git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99 h1:1s8n5uisqkR+BzPgaum6xxIjKmzGrTykJdh+Y3f5Xao= git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99 h1:1s8n5uisqkR+BzPgaum6xxIjKmzGrTykJdh+Y3f5Xao=
git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99/go.mod h1:t+Ww6SR24yYnXzEWiNlOY0AFo5E9B73X++10lrSpp4U= git.sr.ht/~emersion/go-scfg v0.0.0-20211215104734-c2c7a15d6c99/go.mod h1:t+Ww6SR24yYnXzEWiNlOY0AFo5E9B73X++10lrSpp4U=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8= github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA= github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
github.com/caddyserver/certmagic v0.15.3 h1:ScY3KVV1eMIUfW74i20kDnD4eWL8T0rG6S6Wnc6nc9U= github.com/caddyserver/certmagic v0.17.2 h1:o30seC1T/dBqBCNNGNHWwj2i5/I/FMjBbTAhjADP3nE=
github.com/caddyserver/certmagic v0.15.3/go.mod h1:qhkAOthf72ufAcp3Y5jF2RaGE96oip3UbEQRIzwe3/8= github.com/caddyserver/certmagic v0.17.2/go.mod h1:ouWUuC490GOLJzkyN35eXfV8bSbwMwSf4bdhkIxtdQE=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4= github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ= github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= github.com/klauspost/cpuid/v2 v2.1.1/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= github.com/klauspost/cpuid/v2 v2.2.1 h1:U33DW0aiEj633gHYw3LoDNfkDiYnE5Q8M/TKJn2f2jI=
github.com/klauspost/cpuid/v2 v2.0.10 h1:fv5GKR+e2UgD+gcxQECVT5rBwAmlFLl2mkKm7WK3ODY= github.com/klauspost/cpuid/v2 v2.2.1/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
github.com/klauspost/cpuid/v2 v2.0.10/go.mod h1:g2LTdtYhdyuGPqyWyv7qRAmj1WBqxuObKfj5c0PQa7c=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/libdns/libdns v0.2.1 h1:Wu59T7wSHRgtA0cfxC+n1c/e+O3upJGWytknkmFEDis= github.com/libdns/libdns v0.2.1 h1:Wu59T7wSHRgtA0cfxC+n1c/e+O3upJGWytknkmFEDis=
github.com/libdns/libdns v0.2.1/go.mod h1:yQCXzk1lEZmmCPa857bnk4TsOiqYasqpyOEeSObbb40= github.com/libdns/libdns v0.2.1/go.mod h1:yQCXzk1lEZmmCPa857bnk4TsOiqYasqpyOEeSObbb40=
github.com/mholt/acmez v1.0.1/go.mod h1:8qnn8QA/Ewx8E3ZSsmscqsIjhhpxuy9vqdgbX2ceceM= github.com/mholt/acmez v1.0.4 h1:N3cE4Pek+dSolbsofIkAYz6H1d3pE+2G0os7QHslf80=
github.com/mholt/acmez v1.0.2 h1:C8wsEBIUVi6e0DYoxqCcFuXtwc4AWXL/jgcDjF7mjVo= github.com/mholt/acmez v1.0.4/go.mod h1:qFGLZ4u+ehWINeJZjzPlsnjJBCPAADWTcIqE/7DAYQY=
github.com/mholt/acmez v1.0.2/go.mod h1:8qnn8QA/Ewx8E3ZSsmscqsIjhhpxuy9vqdgbX2ceceM= github.com/miekg/dns v1.1.50 h1:DQUfb9uc6smULcREF09Uc+/Gd46YWqJd5DbpPE9xkcA=
github.com/miekg/dns v1.1.43/go.mod h1:+evo5L0630/F6ca/Z9+GAqzhjGyn8/c+TBaOyfEl0V4= github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
github.com/miekg/dns v1.1.45 h1:g5fRIhm9nx7g8osrAvgb16QJfmyMsyOCb+J7LSv+Qzk= github.com/pires/go-proxyproto v0.6.2 h1:KAZ7UteSOt6urjme6ZldyFm4wDe/z0ZUP0Yv0Dos0d8=
github.com/miekg/dns v1.1.45/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME= github.com/pires/go-proxyproto v0.6.2/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
github.com/pires/go-proxyproto v0.6.1 h1:EBupykFmo22SDjv4fQVQd2J9NOoLPmyZA/15ldOGkPw=
github.com/pires/go-proxyproto v0.6.1/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
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golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.9 h1:j9KsMiaP1c3B0OTQGth0/k+miLGTgLsAFUCrF2vLcF8= golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.1.9/go.mod h1:nABZi5QlRsZVlzPpHl034qft6wpY4eDcsTt5AaioBiU= golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@ -3,6 +3,7 @@ package tlstunnel
import ( import (
"context" "context"
"crypto/tls" "crypto/tls"
"errors"
"fmt" "fmt"
"io" "io"
"log" "log"
@ -41,7 +42,7 @@ type Server struct {
ManagedNames []string ManagedNames []string
UnmanagedCerts []tls.Certificate UnmanagedCerts []tls.Certificate
ACMEManager *certmagic.ACMEManager ACMEIssuer *certmagic.ACMEIssuer
ACMEConfig *certmagic.Config ACMEConfig *certmagic.Config
acmeCache *acmeCache acmeCache *acmeCache
@ -59,7 +60,7 @@ func NewServer() *Server {
return &Server{ return &Server{
Listeners: make(map[string]*Listener), Listeners: make(map[string]*Listener),
ACMEManager: &acmeManager, ACMEIssuer: &acmeManager,
ACMEConfig: &acmeConfig, ACMEConfig: &acmeConfig,
} }
} }
@ -83,14 +84,14 @@ func (srv *Server) startACME() error {
ctx, srv.cancelACME = context.WithCancel(context.Background()) ctx, srv.cancelACME = context.WithCancel(context.Background())
srv.ACMEConfig = certmagic.New(srv.acmeCache.cache, *srv.ACMEConfig) srv.ACMEConfig = certmagic.New(srv.acmeCache.cache, *srv.ACMEConfig)
srv.ACMEManager = certmagic.NewACMEManager(srv.ACMEConfig, *srv.ACMEManager) srv.ACMEIssuer = certmagic.NewACMEIssuer(srv.ACMEConfig, *srv.ACMEIssuer)
srv.ACMEConfig.Issuers = []certmagic.Issuer{srv.ACMEManager} srv.ACMEConfig.Issuers = []certmagic.Issuer{srv.ACMEIssuer}
srv.acmeCache.config.Store(srv.ACMEConfig) srv.acmeCache.config.Store(srv.ACMEConfig)
for _, cert := range srv.UnmanagedCerts { for _, cert := range srv.UnmanagedCerts {
if err := srv.ACMEConfig.CacheUnmanagedTLSCertificate(cert, nil); err != nil { if err := srv.ACMEConfig.CacheUnmanagedTLSCertificate(ctx, cert, nil); err != nil {
return fmt.Errorf("failed to cache unmanaged TLS certificate: %v", err) return fmt.Errorf("failed to cache unmanaged TLS certificate: %v", err)
} }
} }
@ -119,8 +120,10 @@ func (srv *Server) Start() error {
func (srv *Server) Stop() { func (srv *Server) Stop() {
srv.cancelACME() srv.cancelACME()
for _, ln := range srv.Listeners { for addr, ln := range srv.Listeners {
ln.Stop() if err := ln.Stop(); err != nil {
log.Printf("listener %q: failed to stop: %v", addr, err)
}
} }
srv.acmeCache.cache.Stop() srv.acmeCache.cache.Stop()
} }
@ -159,7 +162,9 @@ func (srv *Server) Replace(old *Server) error {
if ln, ok := srv.Listeners[addr]; ok { if ln, ok := srv.Listeners[addr]; ok {
srv.Listeners[addr] = oldLn.UpdateFrom(ln) srv.Listeners[addr] = oldLn.UpdateFrom(ln)
} else { } else {
oldLn.Stop() if err := oldLn.Stop(); err != nil {
log.Printf("listener %q: failed to stop: %v", addr, err)
}
} }
} }
@ -220,6 +225,8 @@ func (ln *Listener) Start() error {
} }
log.Printf("listening on %q", ln.Address) log.Printf("listening on %q", ln.Address)
ln.netLn = &retryListener{Listener: ln.netLn}
go func() { go func() {
if err := ln.serve(); err != nil { if err := ln.serve(); err != nil {
log.Fatalf("listener %q: %v", ln.Address, err) log.Fatalf("listener %q: %v", ln.Address, err)
@ -229,8 +236,8 @@ func (ln *Listener) Start() error {
return nil return nil
} }
func (ln *Listener) Stop() { func (ln *Listener) Stop() error {
ln.netLn.Close() return ln.netLn.Close()
} }
func (ln *Listener) UpdateFrom(new *Listener) *Listener { func (ln *Listener) UpdateFrom(new *Listener) *Listener {
@ -241,7 +248,7 @@ func (ln *Listener) UpdateFrom(new *Listener) *Listener {
func (ln *Listener) serve() error { func (ln *Listener) serve() error {
for { for {
conn, err := ln.netLn.Accept() conn, err := ln.netLn.Accept()
if err != nil && strings.Contains(err.Error(), "use of closed network connection") { if errors.Is(err, net.ErrClosed) {
// Listening socket has been closed by Stop() // Listening socket has been closed by Stop()
return nil return nil
} else if err != nil { } else if err != nil {
@ -288,7 +295,9 @@ func (ln *Listener) handle(conn net.Conn) error {
if err := tlsConn.SetDeadline(time.Now().Add(tlsHandshakeTimeout)); err != nil { if err := tlsConn.SetDeadline(time.Now().Add(tlsHandshakeTimeout)); err != nil {
return fmt.Errorf("failed to set TLS handshake timeout: %v", err) return fmt.Errorf("failed to set TLS handshake timeout: %v", err)
} }
if err := tlsConn.Handshake(); err != nil { if err := tlsConn.Handshake(); err == io.EOF {
return nil
} else if err != nil {
return fmt.Errorf("TLS handshake failed: %v", err) return fmt.Errorf("TLS handshake failed: %v", err)
} }
if err := tlsConn.SetDeadline(time.Time{}); err != nil { if err := tlsConn.SetDeadline(time.Time{}); err != nil {
@ -442,3 +451,30 @@ func sslTLV(state *tls.ConnectionState) (proxyproto.TLV, error) {
return pp2ssl.Marshal() return pp2ssl.Marshal()
} }
type retryListener struct {
net.Listener
delay time.Duration
}
func (ln *retryListener) Accept() (net.Conn, error) {
for {
conn, err := ln.Listener.Accept()
if ne, ok := err.(net.Error); ok && ne.Temporary() {
if ln.delay == 0 {
ln.delay = 5 * time.Millisecond
} else {
ln.delay *= 2
}
if max := 1 * time.Second; ln.delay > max {
ln.delay = max
}
log.Printf("listener %q: accept error (retrying in %v): %v", ln.Addr(), ln.delay, err)
time.Sleep(ln.delay)
} else {
ln.delay = 0
return conn, err
}
}
}

View File

@ -49,6 +49,9 @@ The following directives are supported:
The frontend directive supports the following sub-directives: The frontend directive supports the following sub-directives:
*listen* <address>...
Additional addresses to listen on.
*backend* <uri>... *backend* <uri>...
Backend to forward incoming connections to. Backend to forward incoming connections to.