-87df767807acac466edb3bb6445ad83a48141d17
+4b8036b3f995cdb0b99a9fa26c2af1e2420b4fa2
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
encoding/pem.gox \
encoding/xml.gox
-toolexeclibgoexpdir = $(toolexeclibgodir)/exp
-
-toolexeclibgoexp_DATA = \
- exp/proxy.gox \
- exp/terminal.gox
-
toolexeclibgogodir = $(toolexeclibgodir)/go
toolexeclibgogo_DATA = \
encoding/pem \
encoding/xml \
errors \
- exp/proxy \
- exp/terminal \
expvar \
flag \
fmt \
$(toolexeclibgocrypto_DATA) \
$(toolexeclibgodebug_DATA) \
$(toolexeclibgoencoding_DATA) \
- $(toolexeclibgoexp_DATA) \
$(toolexeclibgogo_DATA) \
$(toolexeclibgohash_DATA) \
$(toolexeclibgoimage_DATA) \
encoding/json/check \
encoding/pem/check \
encoding/xml/check \
- exp/proxy/check \
- exp/terminal/check \
html/template/check \
go/ast/check \
go/build/check \
"$(DESTDIR)$(toolexeclibgodatabasesqldir)" \
"$(DESTDIR)$(toolexeclibgodebugdir)" \
"$(DESTDIR)$(toolexeclibgoencodingdir)" \
- "$(DESTDIR)$(toolexeclibgoexpdir)" \
"$(DESTDIR)$(toolexeclibgogodir)" \
"$(DESTDIR)$(toolexeclibgohashdir)" \
"$(DESTDIR)$(toolexeclibgohtmldir)" \
$(toolexeclibgocontainer_DATA) $(toolexeclibgocrypto_DATA) \
$(toolexeclibgocryptox509_DATA) $(toolexeclibgodatabase_DATA) \
$(toolexeclibgodatabasesql_DATA) $(toolexeclibgodebug_DATA) \
- $(toolexeclibgoencoding_DATA) $(toolexeclibgoexp_DATA) \
- $(toolexeclibgogo_DATA) $(toolexeclibgohash_DATA) \
- $(toolexeclibgohtml_DATA) $(toolexeclibgoimage_DATA) \
- $(toolexeclibgoimagecolor_DATA) $(toolexeclibgoindex_DATA) \
- $(toolexeclibgoio_DATA) $(toolexeclibgolog_DATA) \
- $(toolexeclibgomath_DATA) $(toolexeclibgomime_DATA) \
- $(toolexeclibgonet_DATA) $(toolexeclibgonethttp_DATA) \
- $(toolexeclibgonetrpc_DATA) $(toolexeclibgoos_DATA) \
- $(toolexeclibgopath_DATA) $(toolexeclibgoregexp_DATA) \
- $(toolexeclibgoruntime_DATA) $(toolexeclibgosync_DATA) \
- $(toolexeclibgotesting_DATA) \
+ $(toolexeclibgoencoding_DATA) $(toolexeclibgogo_DATA) \
+ $(toolexeclibgohash_DATA) $(toolexeclibgohtml_DATA) \
+ $(toolexeclibgoimage_DATA) $(toolexeclibgoimagecolor_DATA) \
+ $(toolexeclibgoindex_DATA) $(toolexeclibgoio_DATA) \
+ $(toolexeclibgolog_DATA) $(toolexeclibgomath_DATA) \
+ $(toolexeclibgomime_DATA) $(toolexeclibgonet_DATA) \
+ $(toolexeclibgonethttp_DATA) $(toolexeclibgonetrpc_DATA) \
+ $(toolexeclibgoos_DATA) $(toolexeclibgopath_DATA) \
+ $(toolexeclibgoregexp_DATA) $(toolexeclibgoruntime_DATA) \
+ $(toolexeclibgosync_DATA) $(toolexeclibgotesting_DATA) \
$(toolexeclibgotestinginternal_DATA) $(toolexeclibgotext_DATA) \
$(toolexeclibgotexttemplate_DATA) $(toolexeclibgounicode_DATA)
RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \
encoding/pem.gox \
encoding/xml.gox
-toolexeclibgoexpdir = $(toolexeclibgodir)/exp
-toolexeclibgoexp_DATA = \
- exp/proxy.gox \
- exp/terminal.gox
-
toolexeclibgogodir = $(toolexeclibgodir)/go
toolexeclibgogo_DATA = \
go/ast.gox \
encoding/pem \
encoding/xml \
errors \
- exp/proxy \
- exp/terminal \
expvar \
flag \
fmt \
CHECK_DEPS = $(toolexeclibgo_DATA) $(toolexeclibgoarchive_DATA) \
$(toolexeclibgocompress_DATA) $(toolexeclibgocontainer_DATA) \
$(toolexeclibgocrypto_DATA) $(toolexeclibgodebug_DATA) \
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- $(toolexeclibgogo_DATA) $(toolexeclibgohash_DATA) \
- $(toolexeclibgoimage_DATA) $(toolexeclibgoindex_DATA) \
- $(toolexeclibgoio_DATA) $(toolexeclibgolog_DATA) \
- $(toolexeclibgomath_DATA) $(toolexeclibgomime_DATA) \
- $(toolexeclibgonet_DATA) $(toolexeclibgonethttp_DATA) \
- $(toolexeclibgoos_DATA) $(toolexeclibgopath_DATA) \
- $(toolexeclibgorpc_DATA) $(toolexeclibgoruntime_DATA) \
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- $(toolexeclibgotext_DATA) $(toolexeclibgotexttemplate_DATA) \
- $(toolexeclibgounicode_DATA) $(noinst_LIBRARIES) \
- $(am__append_3) $(am__append_4)
+ $(toolexeclibgoencoding_DATA) $(toolexeclibgogo_DATA) \
+ $(toolexeclibgohash_DATA) $(toolexeclibgoimage_DATA) \
+ $(toolexeclibgoindex_DATA) $(toolexeclibgoio_DATA) \
+ $(toolexeclibgolog_DATA) $(toolexeclibgomath_DATA) \
+ $(toolexeclibgomime_DATA) $(toolexeclibgonet_DATA) \
+ $(toolexeclibgonethttp_DATA) $(toolexeclibgoos_DATA) \
+ $(toolexeclibgopath_DATA) $(toolexeclibgorpc_DATA) \
+ $(toolexeclibgoruntime_DATA) $(toolexeclibgosync_DATA) \
+ $(toolexeclibgotesting_DATA) $(toolexeclibgotext_DATA) \
+ $(toolexeclibgotexttemplate_DATA) $(toolexeclibgounicode_DATA) \
+ $(noinst_LIBRARIES) $(am__append_3) $(am__append_4)
# Pass -ffp-contract=off, or 386-specific options, when building the
# math package. MATH_FLAG is defined in configure.ac.
encoding/json/check \
encoding/pem/check \
encoding/xml/check \
- exp/proxy/check \
- exp/terminal/check \
html/template/check \
go/ast/check \
go/build/check \
@list='$(toolexeclibgoencoding_DATA)'; test -n "$(toolexeclibgoencodingdir)" || list=; \
files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
dir='$(DESTDIR)$(toolexeclibgoencodingdir)'; $(am__uninstall_files_from_dir)
-install-toolexeclibgoexpDATA: $(toolexeclibgoexp_DATA)
- @$(NORMAL_INSTALL)
- @list='$(toolexeclibgoexp_DATA)'; test -n "$(toolexeclibgoexpdir)" || list=; \
- if test -n "$$list"; then \
- echo " $(MKDIR_P) '$(DESTDIR)$(toolexeclibgoexpdir)'"; \
- $(MKDIR_P) "$(DESTDIR)$(toolexeclibgoexpdir)" || exit 1; \
- fi; \
- for p in $$list; do \
- if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
- echo "$$d$$p"; \
- done | $(am__base_list) | \
- while read files; do \
- echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(toolexeclibgoexpdir)'"; \
- $(INSTALL_DATA) $$files "$(DESTDIR)$(toolexeclibgoexpdir)" || exit $$?; \
- done
-
-uninstall-toolexeclibgoexpDATA:
- @$(NORMAL_UNINSTALL)
- @list='$(toolexeclibgoexp_DATA)'; test -n "$(toolexeclibgoexpdir)" || list=; \
- files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
- dir='$(DESTDIR)$(toolexeclibgoexpdir)'; $(am__uninstall_files_from_dir)
install-toolexeclibgogoDATA: $(toolexeclibgogo_DATA)
@$(NORMAL_INSTALL)
@list='$(toolexeclibgogo_DATA)'; test -n "$(toolexeclibgogodir)" || list=; \
config.h
installdirs: installdirs-recursive
installdirs-am:
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+ for dir in "$(DESTDIR)$(toolexeclibdir)" "$(DESTDIR)$(toolexeclibdir)" "$(DESTDIR)$(toolexeclibgodir)" "$(DESTDIR)$(toolexeclibgoarchivedir)" "$(DESTDIR)$(toolexeclibgocompressdir)" "$(DESTDIR)$(toolexeclibgocontainerdir)" "$(DESTDIR)$(toolexeclibgocryptodir)" "$(DESTDIR)$(toolexeclibgocryptox509dir)" "$(DESTDIR)$(toolexeclibgodatabasedir)" "$(DESTDIR)$(toolexeclibgodatabasesqldir)" "$(DESTDIR)$(toolexeclibgodebugdir)" "$(DESTDIR)$(toolexeclibgoencodingdir)" "$(DESTDIR)$(toolexeclibgogodir)" "$(DESTDIR)$(toolexeclibgohashdir)" "$(DESTDIR)$(toolexeclibgohtmldir)" "$(DESTDIR)$(toolexeclibgoimagedir)" "$(DESTDIR)$(toolexeclibgoimagecolordir)" "$(DESTDIR)$(toolexeclibgoindexdir)" "$(DESTDIR)$(toolexeclibgoiodir)" "$(DESTDIR)$(toolexeclibgologdir)" "$(DESTDIR)$(toolexeclibgomathdir)" "$(DESTDIR)$(toolexeclibgomimedir)" "$(DESTDIR)$(toolexeclibgonetdir)" "$(DESTDIR)$(toolexeclibgonethttpdir)" "$(DESTDIR)$(toolexeclibgonetrpcdir)" "$(DESTDIR)$(toolexeclibgoosdir)" "$(DESTDIR)$(toolexeclibgopathdir)" "$(DESTDIR)$(toolexeclibgoregexpdir)" "$(DESTDIR)$(toolexeclibgoruntimedir)" "$(DESTDIR)$(toolexeclibgosyncdir)" "$(DESTDIR)$(toolexeclibgotestingdir)" "$(DESTDIR)$(toolexeclibgotestinginternaldir)" "$(DESTDIR)$(toolexeclibgotextdir)" "$(DESTDIR)$(toolexeclibgotexttemplatedir)" "$(DESTDIR)$(toolexeclibgounicodedir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-recursive
install-toolexeclibgodatabaseDATA \
install-toolexeclibgodatabasesqlDATA \
install-toolexeclibgodebugDATA \
- install-toolexeclibgoencodingDATA install-toolexeclibgoexpDATA \
- install-toolexeclibgogoDATA install-toolexeclibgohashDATA \
- install-toolexeclibgohtmlDATA install-toolexeclibgoimageDATA \
+ install-toolexeclibgoencodingDATA install-toolexeclibgogoDATA \
+ install-toolexeclibgohashDATA install-toolexeclibgohtmlDATA \
+ install-toolexeclibgoimageDATA \
install-toolexeclibgoimagecolorDATA \
install-toolexeclibgoindexDATA install-toolexeclibgoioDATA \
install-toolexeclibgologDATA install-toolexeclibgomathDATA \
uninstall-toolexeclibgodatabasesqlDATA \
uninstall-toolexeclibgodebugDATA \
uninstall-toolexeclibgoencodingDATA \
- uninstall-toolexeclibgoexpDATA uninstall-toolexeclibgogoDATA \
- uninstall-toolexeclibgohashDATA \
+ uninstall-toolexeclibgogoDATA uninstall-toolexeclibgohashDATA \
uninstall-toolexeclibgohtmlDATA \
uninstall-toolexeclibgoimageDATA \
uninstall-toolexeclibgoimagecolorDATA \
install-toolexeclibgodatabaseDATA \
install-toolexeclibgodatabasesqlDATA \
install-toolexeclibgodebugDATA \
- install-toolexeclibgoencodingDATA install-toolexeclibgoexpDATA \
- install-toolexeclibgogoDATA install-toolexeclibgohashDATA \
- install-toolexeclibgohtmlDATA install-toolexeclibgoimageDATA \
+ install-toolexeclibgoencodingDATA install-toolexeclibgogoDATA \
+ install-toolexeclibgohashDATA install-toolexeclibgohtmlDATA \
+ install-toolexeclibgoimageDATA \
install-toolexeclibgoimagecolorDATA \
install-toolexeclibgoindexDATA install-toolexeclibgoioDATA \
install-toolexeclibgologDATA install-toolexeclibgomathDATA \
uninstall-toolexeclibgodatabasesqlDATA \
uninstall-toolexeclibgodebugDATA \
uninstall-toolexeclibgoencodingDATA \
- uninstall-toolexeclibgoexpDATA uninstall-toolexeclibgogoDATA \
- uninstall-toolexeclibgohashDATA \
+ uninstall-toolexeclibgogoDATA uninstall-toolexeclibgohashDATA \
uninstall-toolexeclibgohtmlDATA \
uninstall-toolexeclibgoimageDATA \
uninstall-toolexeclibgoimagecolorDATA \
+++ /dev/null
-This directory tree contains experimental packages and
-unfinished code that is subject to even more change than the
-rest of the Go tree.
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "net"
-)
-
-type direct struct{}
-
-// Direct is a direct proxy: one that makes network connections directly.
-var Direct = direct{}
-
-func (direct) Dial(network, addr string) (net.Conn, error) {
- return net.Dial(network, addr)
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "net"
- "strings"
-)
-
-// A PerHost directs connections to a default Dailer unless the hostname
-// requested matches one of a number of exceptions.
-type PerHost struct {
- def, bypass Dialer
-
- bypassNetworks []*net.IPNet
- bypassIPs []net.IP
- bypassZones []string
- bypassHosts []string
-}
-
-// NewPerHost returns a PerHost Dialer that directs connections to either
-// defaultDialer or bypass, depending on whether the connection matches one of
-// the configured rules.
-func NewPerHost(defaultDialer, bypass Dialer) *PerHost {
- return &PerHost{
- def: defaultDialer,
- bypass: bypass,
- }
-}
-
-// Dial connects to the address addr on the network net through either
-// defaultDialer or bypass.
-func (p *PerHost) Dial(network, addr string) (c net.Conn, err error) {
- host, _, err := net.SplitHostPort(addr)
- if err != nil {
- return nil, err
- }
-
- return p.dialerForRequest(host).Dial(network, addr)
-}
-
-func (p *PerHost) dialerForRequest(host string) Dialer {
- if ip := net.ParseIP(host); ip != nil {
- for _, net := range p.bypassNetworks {
- if net.Contains(ip) {
- return p.bypass
- }
- }
- for _, bypassIP := range p.bypassIPs {
- if bypassIP.Equal(ip) {
- return p.bypass
- }
- }
- return p.def
- }
-
- for _, zone := range p.bypassZones {
- if strings.HasSuffix(host, zone) {
- return p.bypass
- }
- if host == zone[1:] {
- // For a zone "example.com", we match "example.com"
- // too.
- return p.bypass
- }
- }
- for _, bypassHost := range p.bypassHosts {
- if bypassHost == host {
- return p.bypass
- }
- }
- return p.def
-}
-
-// AddFromString parses a string that contains comma-separated values
-// specifying hosts that should use the bypass proxy. Each value is either an
-// IP address, a CIDR range, a zone (*.example.com) or a hostname
-// (localhost). A best effort is made to parse the string and errors are
-// ignored.
-func (p *PerHost) AddFromString(s string) {
- hosts := strings.Split(s, ",")
- for _, host := range hosts {
- host = strings.TrimSpace(host)
- if len(host) == 0 {
- continue
- }
- if strings.Contains(host, "/") {
- // We assume that it's a CIDR address like 127.0.0.0/8
- if _, net, err := net.ParseCIDR(host); err == nil {
- p.AddNetwork(net)
- }
- continue
- }
- if ip := net.ParseIP(host); ip != nil {
- p.AddIP(ip)
- continue
- }
- if strings.HasPrefix(host, "*.") {
- p.AddZone(host[1:])
- continue
- }
- p.AddHost(host)
- }
-}
-
-// AddIP specifies an IP address that will use the bypass proxy. Note that
-// this will only take effect if a literal IP address is dialed. A connection
-// to a named host will never match an IP.
-func (p *PerHost) AddIP(ip net.IP) {
- p.bypassIPs = append(p.bypassIPs, ip)
-}
-
-// AddIP specifies an IP range that will use the bypass proxy. Note that this
-// will only take effect if a literal IP address is dialed. A connection to a
-// named host will never match.
-func (p *PerHost) AddNetwork(net *net.IPNet) {
- p.bypassNetworks = append(p.bypassNetworks, net)
-}
-
-// AddZone specifies a DNS suffix that will use the bypass proxy. A zone of
-// "example.com" matches "example.com" and all of its subdomains.
-func (p *PerHost) AddZone(zone string) {
- if strings.HasSuffix(zone, ".") {
- zone = zone[:len(zone)-1]
- }
- if !strings.HasPrefix(zone, ".") {
- zone = "." + zone
- }
- p.bypassZones = append(p.bypassZones, zone)
-}
-
-// AddHost specifies a hostname that will use the bypass proxy.
-func (p *PerHost) AddHost(host string) {
- if strings.HasSuffix(host, ".") {
- host = host[:len(host)-1]
- }
- p.bypassHosts = append(p.bypassHosts, host)
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "errors"
- "net"
- "reflect"
- "testing"
-)
-
-type recordingProxy struct {
- addrs []string
-}
-
-func (r *recordingProxy) Dial(network, addr string) (net.Conn, error) {
- r.addrs = append(r.addrs, addr)
- return nil, errors.New("recordingProxy")
-}
-
-func TestPerHost(t *testing.T) {
- var def, bypass recordingProxy
- perHost := NewPerHost(&def, &bypass)
- perHost.AddFromString("localhost,*.zone,127.0.0.1,10.0.0.1/8,1000::/16")
-
- expectedDef := []string{
- "example.com:123",
- "1.2.3.4:123",
- "[1001::]:123",
- }
- expectedBypass := []string{
- "localhost:123",
- "zone:123",
- "foo.zone:123",
- "127.0.0.1:123",
- "10.1.2.3:123",
- "[1000::]:123",
- }
-
- for _, addr := range expectedDef {
- perHost.Dial("tcp", addr)
- }
- for _, addr := range expectedBypass {
- perHost.Dial("tcp", addr)
- }
-
- if !reflect.DeepEqual(expectedDef, def.addrs) {
- t.Errorf("Hosts which went to the default proxy didn't match. Got %v, want %v", def.addrs, expectedDef)
- }
- if !reflect.DeepEqual(expectedBypass, bypass.addrs) {
- t.Errorf("Hosts which went to the bypass proxy didn't match. Got %v, want %v", bypass.addrs, expectedBypass)
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package proxy provides support for a variety of protocols to proxy network
-// data.
-package proxy
-
-import (
- "errors"
- "net"
- "net/url"
- "os"
-)
-
-// A Dialer is a means to establish a connection.
-type Dialer interface {
- // Dial connects to the given address via the proxy.
- Dial(network, addr string) (c net.Conn, err error)
-}
-
-// Auth contains authentication parameters that specific Dialers may require.
-type Auth struct {
- User, Password string
-}
-
-// DefaultDialer returns the dialer specified by the proxy related variables in
-// the environment.
-func FromEnvironment() Dialer {
- allProxy := os.Getenv("all_proxy")
- if len(allProxy) == 0 {
- return Direct
- }
-
- proxyURL, err := url.Parse(allProxy)
- if err != nil {
- return Direct
- }
- proxy, err := FromURL(proxyURL, Direct)
- if err != nil {
- return Direct
- }
-
- noProxy := os.Getenv("no_proxy")
- if len(noProxy) == 0 {
- return proxy
- }
-
- perHost := NewPerHost(proxy, Direct)
- perHost.AddFromString(noProxy)
- return perHost
-}
-
-// proxySchemes is a map from URL schemes to a function that creates a Dialer
-// from a URL with such a scheme.
-var proxySchemes map[string]func(*url.URL, Dialer) (Dialer, error)
-
-// RegisterDialerType takes a URL scheme and a function to generate Dialers from
-// a URL with that scheme and a forwarding Dialer. Registered schemes are used
-// by FromURL.
-func RegisterDialerType(scheme string, f func(*url.URL, Dialer) (Dialer, error)) {
- if proxySchemes == nil {
- proxySchemes = make(map[string]func(*url.URL, Dialer) (Dialer, error))
- }
- proxySchemes[scheme] = f
-}
-
-// FromURL returns a Dialer given a URL specification and an underlying
-// Dialer for it to make network requests.
-func FromURL(u *url.URL, forward Dialer) (Dialer, error) {
- var auth *Auth
- if u.User != nil {
- auth = new(Auth)
- auth.User = u.User.Username()
- if p, ok := u.User.Password(); ok {
- auth.Password = p
- }
- }
-
- switch u.Scheme {
- case "socks5":
- return SOCKS5("tcp", u.Host, auth, forward)
- }
-
- // If the scheme doesn't match any of the built-in schemes, see if it
- // was registered by another package.
- if proxySchemes != nil {
- if f, ok := proxySchemes[u.Scheme]; ok {
- return f(u, forward)
- }
- }
-
- return nil, errors.New("proxy: unknown scheme: " + u.Scheme)
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "net"
- "net/url"
- "testing"
-)
-
-type testDialer struct {
- network, addr string
-}
-
-func (t *testDialer) Dial(network, addr string) (net.Conn, error) {
- t.network = network
- t.addr = addr
- return nil, t
-}
-
-func (t *testDialer) Error() string {
- return "testDialer " + t.network + " " + t.addr
-}
-
-func TestFromURL(t *testing.T) {
- u, err := url.Parse("socks5://user:password@1.2.3.4:5678")
- if err != nil {
- t.Fatalf("failed to parse URL: %s", err)
- }
-
- tp := &testDialer{}
- proxy, err := FromURL(u, tp)
- if err != nil {
- t.Fatalf("FromURL failed: %s", err)
- }
-
- conn, err := proxy.Dial("tcp", "example.com:80")
- if conn != nil {
- t.Error("Dial unexpected didn't return an error")
- }
- if tp, ok := err.(*testDialer); ok {
- if tp.network != "tcp" || tp.addr != "1.2.3.4:5678" {
- t.Errorf("Dialer connected to wrong host. Wanted 1.2.3.4:5678, got: %v", tp)
- }
- } else {
- t.Errorf("Unexpected error from Dial: %s", err)
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package proxy
-
-import (
- "errors"
- "io"
- "net"
- "strconv"
-)
-
-// SOCKS5 returns a Dialer that makes SOCKSv5 connections to the given address
-// with an optional username and password. See RFC 1928.
-func SOCKS5(network, addr string, auth *Auth, forward Dialer) (Dialer, error) {
- s := &socks5{
- network: network,
- addr: addr,
- forward: forward,
- }
- if auth != nil {
- s.user = auth.User
- s.password = auth.Password
- }
-
- return s, nil
-}
-
-type socks5 struct {
- user, password string
- network, addr string
- forward Dialer
-}
-
-const socks5Version = 5
-
-const (
- socks5AuthNone = 0
- socks5AuthPassword = 2
-)
-
-const socks5Connect = 1
-
-const (
- socks5IP4 = 1
- socks5Domain = 3
- socks5IP6 = 4
-)
-
-var socks5Errors = []string{
- "",
- "general failure",
- "connection forbidden",
- "network unreachable",
- "host unreachable",
- "connection refused",
- "TTL expired",
- "command not supported",
- "address type not supported",
-}
-
-// Dial connects to the address addr on the network net via the SOCKS5 proxy.
-func (s *socks5) Dial(network, addr string) (net.Conn, error) {
- switch network {
- case "tcp", "tcp6", "tcp4":
- break
- default:
- return nil, errors.New("proxy: no support for SOCKS5 proxy connections of type " + network)
- }
-
- conn, err := s.forward.Dial(s.network, s.addr)
- if err != nil {
- return nil, err
- }
- closeConn := &conn
- defer func() {
- if closeConn != nil {
- (*closeConn).Close()
- }
- }()
-
- host, portStr, err := net.SplitHostPort(addr)
- if err != nil {
- return nil, err
- }
-
- port, err := strconv.Atoi(portStr)
- if err != nil {
- return nil, errors.New("proxy: failed to parse port number: " + portStr)
- }
- if port < 1 || port > 0xffff {
- return nil, errors.New("proxy: port number out of range: " + portStr)
- }
-
- // the size here is just an estimate
- buf := make([]byte, 0, 6+len(host))
-
- buf = append(buf, socks5Version)
- if len(s.user) > 0 && len(s.user) < 256 && len(s.password) < 256 {
- buf = append(buf, 2 /* num auth methods */, socks5AuthNone, socks5AuthPassword)
- } else {
- buf = append(buf, 1 /* num auth methods */, socks5AuthNone)
- }
-
- if _, err = conn.Write(buf); err != nil {
- return nil, errors.New("proxy: failed to write greeting to SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- if _, err = io.ReadFull(conn, buf[:2]); err != nil {
- return nil, errors.New("proxy: failed to read greeting from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
- if buf[0] != 5 {
- return nil, errors.New("proxy: SOCKS5 proxy at " + s.addr + " has unexpected version " + strconv.Itoa(int(buf[0])))
- }
- if buf[1] == 0xff {
- return nil, errors.New("proxy: SOCKS5 proxy at " + s.addr + " requires authentication")
- }
-
- if buf[1] == socks5AuthPassword {
- buf = buf[:0]
- buf = append(buf, socks5Version)
- buf = append(buf, uint8(len(s.user)))
- buf = append(buf, s.user...)
- buf = append(buf, uint8(len(s.password)))
- buf = append(buf, s.password...)
-
- if _, err = conn.Write(buf); err != nil {
- return nil, errors.New("proxy: failed to write authentication request to SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- if _, err = io.ReadFull(conn, buf[:2]); err != nil {
- return nil, errors.New("proxy: failed to read authentication reply from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- if buf[1] != 0 {
- return nil, errors.New("proxy: SOCKS5 proxy at " + s.addr + " rejected username/password")
- }
- }
-
- buf = buf[:0]
- buf = append(buf, socks5Version, socks5Connect, 0 /* reserved */)
-
- if ip := net.ParseIP(host); ip != nil {
- if len(ip) == 4 {
- buf = append(buf, socks5IP4)
- } else {
- buf = append(buf, socks5IP6)
- }
- buf = append(buf, []byte(ip)...)
- } else {
- buf = append(buf, socks5Domain)
- buf = append(buf, byte(len(host)))
- buf = append(buf, host...)
- }
- buf = append(buf, byte(port>>8), byte(port))
-
- if _, err = conn.Write(buf); err != nil {
- return nil, errors.New("proxy: failed to write connect request to SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- if _, err = io.ReadFull(conn, buf[:4]); err != nil {
- return nil, errors.New("proxy: failed to read connect reply from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- failure := "unknown error"
- if int(buf[1]) < len(socks5Errors) {
- failure = socks5Errors[buf[1]]
- }
-
- if len(failure) > 0 {
- return nil, errors.New("proxy: SOCKS5 proxy at " + s.addr + " failed to connect: " + failure)
- }
-
- bytesToDiscard := 0
- switch buf[3] {
- case socks5IP4:
- bytesToDiscard = 4
- case socks5IP6:
- bytesToDiscard = 16
- case socks5Domain:
- _, err := io.ReadFull(conn, buf[:1])
- if err != nil {
- return nil, errors.New("proxy: failed to read domain length from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
- bytesToDiscard = int(buf[0])
- default:
- return nil, errors.New("proxy: got unknown address type " + strconv.Itoa(int(buf[3])) + " from SOCKS5 proxy at " + s.addr)
- }
-
- if cap(buf) < bytesToDiscard {
- buf = make([]byte, bytesToDiscard)
- } else {
- buf = buf[:bytesToDiscard]
- }
- if _, err = io.ReadFull(conn, buf); err != nil {
- return nil, errors.New("proxy: failed to read address from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- // Also need to discard the port number
- if _, err = io.ReadFull(conn, buf[:2]); err != nil {
- return nil, errors.New("proxy: failed to read port from SOCKS5 proxy at " + s.addr + ": " + err.Error())
- }
-
- closeConn = nil
- return conn, nil
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package terminal
-
-import (
- "io"
- "sync"
-)
-
-// EscapeCodes contains escape sequences that can be written to the terminal in
-// order to achieve different styles of text.
-type EscapeCodes struct {
- // Foreground colors
- Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte
-
- // Reset all attributes
- Reset []byte
-}
-
-var vt100EscapeCodes = EscapeCodes{
- Black: []byte{keyEscape, '[', '3', '0', 'm'},
- Red: []byte{keyEscape, '[', '3', '1', 'm'},
- Green: []byte{keyEscape, '[', '3', '2', 'm'},
- Yellow: []byte{keyEscape, '[', '3', '3', 'm'},
- Blue: []byte{keyEscape, '[', '3', '4', 'm'},
- Magenta: []byte{keyEscape, '[', '3', '5', 'm'},
- Cyan: []byte{keyEscape, '[', '3', '6', 'm'},
- White: []byte{keyEscape, '[', '3', '7', 'm'},
-
- Reset: []byte{keyEscape, '[', '0', 'm'},
-}
-
-// Terminal contains the state for running a VT100 terminal that is capable of
-// reading lines of input.
-type Terminal struct {
- // AutoCompleteCallback, if non-null, is called for each keypress
- // with the full input line and the current position of the cursor.
- // If it returns a nil newLine, the key press is processed normally.
- // Otherwise it returns a replacement line and the new cursor position.
- AutoCompleteCallback func(line []byte, pos, key int) (newLine []byte, newPos int)
-
- // Escape contains a pointer to the escape codes for this terminal.
- // It's always a valid pointer, although the escape codes themselves
- // may be empty if the terminal doesn't support them.
- Escape *EscapeCodes
-
- // lock protects the terminal and the state in this object from
- // concurrent processing of a key press and a Write() call.
- lock sync.Mutex
-
- c io.ReadWriter
- prompt string
-
- // line is the current line being entered.
- line []byte
- // pos is the logical position of the cursor in line
- pos int
- // echo is true if local echo is enabled
- echo bool
-
- // cursorX contains the current X value of the cursor where the left
- // edge is 0. cursorY contains the row number where the first row of
- // the current line is 0.
- cursorX, cursorY int
- // maxLine is the greatest value of cursorY so far.
- maxLine int
-
- termWidth, termHeight int
-
- // outBuf contains the terminal data to be sent.
- outBuf []byte
- // remainder contains the remainder of any partial key sequences after
- // a read. It aliases into inBuf.
- remainder []byte
- inBuf [256]byte
-}
-
-// NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is
-// a local terminal, that terminal must first have been put into raw mode.
-// prompt is a string that is written at the start of each input line (i.e.
-// "> ").
-func NewTerminal(c io.ReadWriter, prompt string) *Terminal {
- return &Terminal{
- Escape: &vt100EscapeCodes,
- c: c,
- prompt: prompt,
- termWidth: 80,
- termHeight: 24,
- echo: true,
- }
-}
-
-const (
- keyCtrlD = 4
- keyEnter = '\r'
- keyEscape = 27
- keyBackspace = 127
- keyUnknown = 256 + iota
- keyUp
- keyDown
- keyLeft
- keyRight
- keyAltLeft
- keyAltRight
-)
-
-// bytesToKey tries to parse a key sequence from b. If successful, it returns
-// the key and the remainder of the input. Otherwise it returns -1.
-func bytesToKey(b []byte) (int, []byte) {
- if len(b) == 0 {
- return -1, nil
- }
-
- if b[0] != keyEscape {
- return int(b[0]), b[1:]
- }
-
- if len(b) >= 3 && b[0] == keyEscape && b[1] == '[' {
- switch b[2] {
- case 'A':
- return keyUp, b[3:]
- case 'B':
- return keyDown, b[3:]
- case 'C':
- return keyRight, b[3:]
- case 'D':
- return keyLeft, b[3:]
- }
- }
-
- if len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' {
- switch b[5] {
- case 'C':
- return keyAltRight, b[6:]
- case 'D':
- return keyAltLeft, b[6:]
- }
- }
-
- // If we get here then we have a key that we don't recognise, or a
- // partial sequence. It's not clear how one should find the end of a
- // sequence without knowing them all, but it seems that [a-zA-Z] only
- // appears at the end of a sequence.
- for i, c := range b[0:] {
- if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' {
- return keyUnknown, b[i+1:]
- }
- }
-
- return -1, b
-}
-
-// queue appends data to the end of t.outBuf
-func (t *Terminal) queue(data []byte) {
- t.outBuf = append(t.outBuf, data...)
-}
-
-var eraseUnderCursor = []byte{' ', keyEscape, '[', 'D'}
-var space = []byte{' '}
-
-func isPrintable(key int) bool {
- return key >= 32 && key < 127
-}
-
-// moveCursorToPos appends data to t.outBuf which will move the cursor to the
-// given, logical position in the text.
-func (t *Terminal) moveCursorToPos(pos int) {
- if !t.echo {
- return
- }
-
- x := len(t.prompt) + pos
- y := x / t.termWidth
- x = x % t.termWidth
-
- up := 0
- if y < t.cursorY {
- up = t.cursorY - y
- }
-
- down := 0
- if y > t.cursorY {
- down = y - t.cursorY
- }
-
- left := 0
- if x < t.cursorX {
- left = t.cursorX - x
- }
-
- right := 0
- if x > t.cursorX {
- right = x - t.cursorX
- }
-
- t.cursorX = x
- t.cursorY = y
- t.move(up, down, left, right)
-}
-
-func (t *Terminal) move(up, down, left, right int) {
- movement := make([]byte, 3*(up+down+left+right))
- m := movement
- for i := 0; i < up; i++ {
- m[0] = keyEscape
- m[1] = '['
- m[2] = 'A'
- m = m[3:]
- }
- for i := 0; i < down; i++ {
- m[0] = keyEscape
- m[1] = '['
- m[2] = 'B'
- m = m[3:]
- }
- for i := 0; i < left; i++ {
- m[0] = keyEscape
- m[1] = '['
- m[2] = 'D'
- m = m[3:]
- }
- for i := 0; i < right; i++ {
- m[0] = keyEscape
- m[1] = '['
- m[2] = 'C'
- m = m[3:]
- }
-
- t.queue(movement)
-}
-
-func (t *Terminal) clearLineToRight() {
- op := []byte{keyEscape, '[', 'K'}
- t.queue(op)
-}
-
-const maxLineLength = 4096
-
-// handleKey processes the given key and, optionally, returns a line of text
-// that the user has entered.
-func (t *Terminal) handleKey(key int) (line string, ok bool) {
- switch key {
- case keyBackspace:
- if t.pos == 0 {
- return
- }
- t.pos--
- t.moveCursorToPos(t.pos)
-
- copy(t.line[t.pos:], t.line[1+t.pos:])
- t.line = t.line[:len(t.line)-1]
- if t.echo {
- t.writeLine(t.line[t.pos:])
- }
- t.queue(eraseUnderCursor)
- t.moveCursorToPos(t.pos)
- case keyAltLeft:
- // move left by a word.
- if t.pos == 0 {
- return
- }
- t.pos--
- for t.pos > 0 {
- if t.line[t.pos] != ' ' {
- break
- }
- t.pos--
- }
- for t.pos > 0 {
- if t.line[t.pos] == ' ' {
- t.pos++
- break
- }
- t.pos--
- }
- t.moveCursorToPos(t.pos)
- case keyAltRight:
- // move right by a word.
- for t.pos < len(t.line) {
- if t.line[t.pos] == ' ' {
- break
- }
- t.pos++
- }
- for t.pos < len(t.line) {
- if t.line[t.pos] != ' ' {
- break
- }
- t.pos++
- }
- t.moveCursorToPos(t.pos)
- case keyLeft:
- if t.pos == 0 {
- return
- }
- t.pos--
- t.moveCursorToPos(t.pos)
- case keyRight:
- if t.pos == len(t.line) {
- return
- }
- t.pos++
- t.moveCursorToPos(t.pos)
- case keyEnter:
- t.moveCursorToPos(len(t.line))
- t.queue([]byte("\r\n"))
- line = string(t.line)
- ok = true
- t.line = t.line[:0]
- t.pos = 0
- t.cursorX = 0
- t.cursorY = 0
- t.maxLine = 0
- default:
- if t.AutoCompleteCallback != nil {
- t.lock.Unlock()
- newLine, newPos := t.AutoCompleteCallback(t.line, t.pos, key)
- t.lock.Lock()
-
- if newLine != nil {
- if t.echo {
- t.moveCursorToPos(0)
- t.writeLine(newLine)
- for i := len(newLine); i < len(t.line); i++ {
- t.writeLine(space)
- }
- t.moveCursorToPos(newPos)
- }
- t.line = newLine
- t.pos = newPos
- return
- }
- }
- if !isPrintable(key) {
- return
- }
- if len(t.line) == maxLineLength {
- return
- }
- if len(t.line) == cap(t.line) {
- newLine := make([]byte, len(t.line), 2*(1+len(t.line)))
- copy(newLine, t.line)
- t.line = newLine
- }
- t.line = t.line[:len(t.line)+1]
- copy(t.line[t.pos+1:], t.line[t.pos:])
- t.line[t.pos] = byte(key)
- if t.echo {
- t.writeLine(t.line[t.pos:])
- }
- t.pos++
- t.moveCursorToPos(t.pos)
- }
- return
-}
-
-func (t *Terminal) writeLine(line []byte) {
- for len(line) != 0 {
- remainingOnLine := t.termWidth - t.cursorX
- todo := len(line)
- if todo > remainingOnLine {
- todo = remainingOnLine
- }
- t.queue(line[:todo])
- t.cursorX += todo
- line = line[todo:]
-
- if t.cursorX == t.termWidth {
- t.cursorX = 0
- t.cursorY++
- if t.cursorY > t.maxLine {
- t.maxLine = t.cursorY
- }
- }
- }
-}
-
-func (t *Terminal) Write(buf []byte) (n int, err error) {
- t.lock.Lock()
- defer t.lock.Unlock()
-
- if t.cursorX == 0 && t.cursorY == 0 {
- // This is the easy case: there's nothing on the screen that we
- // have to move out of the way.
- return t.c.Write(buf)
- }
-
- // We have a prompt and possibly user input on the screen. We
- // have to clear it first.
- t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */)
- t.cursorX = 0
- t.clearLineToRight()
-
- for t.cursorY > 0 {
- t.move(1 /* up */, 0, 0, 0)
- t.cursorY--
- t.clearLineToRight()
- }
-
- if _, err = t.c.Write(t.outBuf); err != nil {
- return
- }
- t.outBuf = t.outBuf[:0]
-
- if n, err = t.c.Write(buf); err != nil {
- return
- }
-
- t.queue([]byte(t.prompt))
- chars := len(t.prompt)
- if t.echo {
- t.queue(t.line)
- chars += len(t.line)
- }
- t.cursorX = chars % t.termWidth
- t.cursorY = chars / t.termWidth
- t.moveCursorToPos(t.pos)
-
- if _, err = t.c.Write(t.outBuf); err != nil {
- return
- }
- t.outBuf = t.outBuf[:0]
- return
-}
-
-// ReadPassword temporarily changes the prompt and reads a password, without
-// echo, from the terminal.
-func (t *Terminal) ReadPassword(prompt string) (line string, err error) {
- t.lock.Lock()
- defer t.lock.Unlock()
-
- oldPrompt := t.prompt
- t.prompt = prompt
- t.echo = false
-
- line, err = t.readLine()
-
- t.prompt = oldPrompt
- t.echo = true
-
- return
-}
-
-// ReadLine returns a line of input from the terminal.
-func (t *Terminal) ReadLine() (line string, err error) {
- t.lock.Lock()
- defer t.lock.Unlock()
-
- return t.readLine()
-}
-
-func (t *Terminal) readLine() (line string, err error) {
- // t.lock must be held at this point
-
- if t.cursorX == 0 && t.cursorY == 0 {
- t.writeLine([]byte(t.prompt))
- t.c.Write(t.outBuf)
- t.outBuf = t.outBuf[:0]
- }
-
- for {
- rest := t.remainder
- lineOk := false
- for !lineOk {
- var key int
- key, rest = bytesToKey(rest)
- if key < 0 {
- break
- }
- if key == keyCtrlD {
- return "", io.EOF
- }
- line, lineOk = t.handleKey(key)
- }
- if len(rest) > 0 {
- n := copy(t.inBuf[:], rest)
- t.remainder = t.inBuf[:n]
- } else {
- t.remainder = nil
- }
- t.c.Write(t.outBuf)
- t.outBuf = t.outBuf[:0]
- if lineOk {
- return
- }
-
- // t.remainder is a slice at the beginning of t.inBuf
- // containing a partial key sequence
- readBuf := t.inBuf[len(t.remainder):]
- var n int
-
- t.lock.Unlock()
- n, err = t.c.Read(readBuf)
- t.lock.Lock()
-
- if err != nil {
- return
- }
-
- t.remainder = t.inBuf[:n+len(t.remainder)]
- }
- panic("unreachable")
-}
-
-// SetPrompt sets the prompt to be used when reading subsequent lines.
-func (t *Terminal) SetPrompt(prompt string) {
- t.lock.Lock()
- defer t.lock.Unlock()
-
- t.prompt = prompt
-}
-
-func (t *Terminal) SetSize(width, height int) {
- t.lock.Lock()
- defer t.lock.Unlock()
-
- t.termWidth, t.termHeight = width, height
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package terminal
-
-import (
- "io"
- "testing"
-)
-
-type MockTerminal struct {
- toSend []byte
- bytesPerRead int
- received []byte
-}
-
-func (c *MockTerminal) Read(data []byte) (n int, err error) {
- n = len(data)
- if n == 0 {
- return
- }
- if n > len(c.toSend) {
- n = len(c.toSend)
- }
- if n == 0 {
- return 0, io.EOF
- }
- if c.bytesPerRead > 0 && n > c.bytesPerRead {
- n = c.bytesPerRead
- }
- copy(data, c.toSend[:n])
- c.toSend = c.toSend[n:]
- return
-}
-
-func (c *MockTerminal) Write(data []byte) (n int, err error) {
- c.received = append(c.received, data...)
- return len(data), nil
-}
-
-func TestClose(t *testing.T) {
- c := &MockTerminal{}
- ss := NewTerminal(c, "> ")
- line, err := ss.ReadLine()
- if line != "" {
- t.Errorf("Expected empty line but got: %s", line)
- }
- if err != io.EOF {
- t.Errorf("Error should have been EOF but got: %s", err)
- }
-}
-
-var keyPressTests = []struct {
- in string
- line string
- err error
-}{
- {
- "",
- "",
- io.EOF,
- },
- {
- "\r",
- "",
- nil,
- },
- {
- "foo\r",
- "foo",
- nil,
- },
- {
- "a\x1b[Cb\r", // right
- "ab",
- nil,
- },
- {
- "a\x1b[Db\r", // left
- "ba",
- nil,
- },
- {
- "a\177b\r", // backspace
- "b",
- nil,
- },
-}
-
-func TestKeyPresses(t *testing.T) {
- for i, test := range keyPressTests {
- for j := 0; j < len(test.in); j++ {
- c := &MockTerminal{
- toSend: []byte(test.in),
- bytesPerRead: j,
- }
- ss := NewTerminal(c, "> ")
- line, err := ss.ReadLine()
- if line != test.line {
- t.Errorf("Line resulting from test %d (%d bytes per read) was '%s', expected '%s'", i, j, line, test.line)
- break
- }
- if err != test.err {
- t.Errorf("Error resulting from test %d (%d bytes per read) was '%v', expected '%v'", i, j, err, test.err)
- break
- }
- }
- }
-}
+++ /dev/null
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build linux
-
-// Package terminal provides support functions for dealing with terminals, as
-// commonly found on UNIX systems.
-//
-// Putting a terminal into raw mode is the most common requirement:
-//
-// oldState, err := terminal.MakeRaw(0)
-// if err != nil {
-// panic(err)
-// }
-// defer terminal.Restore(0, oldState)
-package terminal
-
-import (
- "io"
- "syscall"
- "unsafe"
-)
-
-// State contains the state of a terminal.
-type State struct {
- termios syscall.Termios
-}
-
-// IsTerminal returns true if the given file descriptor is a terminal.
-func IsTerminal(fd int) bool {
- var termios syscall.Termios
- err := syscall.Tcgetattr(fd, &termios)
- return err == nil
-}
-
-// MakeRaw put the terminal connected to the given file descriptor into raw
-// mode and returns the previous state of the terminal so that it can be
-// restored.
-func MakeRaw(fd int) (*State, error) {
- var oldState State
- if err := syscall.Tcgetattr(fd, &oldState.termios); err != nil {
- return nil, err
- }
-
- newState := oldState.termios
- newState.Iflag &^= syscall.ISTRIP | syscall.INLCR | syscall.ICRNL | syscall.IGNCR | syscall.IXON | syscall.IXOFF
- newState.Lflag &^= syscall.ECHO | syscall.ICANON | syscall.ISIG
- if err := syscall.Tcsetattr(fd, syscall.TCSANOW, &newState); err != nil {
- return nil, err
- }
-
- return &oldState, nil
-}
-
-// Restore restores the terminal connected to the given file descriptor to a
-// previous state.
-func Restore(fd int, state *State) error {
- err := syscall.Tcsetattr(fd, syscall.TCSANOW, &state.termios)
- return err
-}
-
-//extern ioctl
-func ioctl(int, int, unsafe.Pointer) int
-
-// GetSize returns the dimensions of the given terminal.
-func GetSize(fd int) (width, height int, err error) {
- var dimensions [4]uint16
-
- if ioctl(fd, syscall.TIOCGWINSZ, unsafe.Pointer(&dimensions)) < 0 {
- return -1, -1, syscall.GetErrno()
- }
- return int(dimensions[1]), int(dimensions[0]), nil
-}
-
-// ReadPassword reads a line of input from a terminal without local echo. This
-// is commonly used for inputting passwords and other sensitive data. The slice
-// returned does not include the \n.
-func ReadPassword(fd int) ([]byte, error) {
- var oldState syscall.Termios
- if err := syscall.Tcgetattr(fd, &oldState); err != nil {
- return nil, err
- }
-
- newState := oldState
- newState.Lflag &^= syscall.ECHO
- if err := syscall.Tcsetattr(fd, syscall.TCSANOW, &newState); err != nil {
- return nil, err
- }
-
- defer func() {
- syscall.Tcsetattr(fd, syscall.TCSANOW, &oldState)
- }()
-
- var buf [16]byte
- var ret []byte
- for {
- n, err := syscall.Read(fd, buf[:])
- if err != nil {
- return nil, err
- }
- if n == 0 {
- if len(ret) == 0 {
- return nil, io.EOF
- }
- break
- }
- if buf[n-1] == '\n' {
- n--
- }
- ret = append(ret, buf[:n]...)
- if n < len(buf) {
- break
- }
- }
-
- return ret, nil
-}
projects / gcc.git / commitdiff