AdGuardHome/internal/home/controlupdate.go

194 lines
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package home
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import (
"context"
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"encoding/json"
"net/http"
"os"
"os/exec"
"path/filepath"
"runtime"
"syscall"
"time"
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"github.com/AdguardTeam/AdGuardHome/internal/aghos"
"github.com/AdguardTeam/AdGuardHome/internal/updater"
"github.com/AdguardTeam/golibs/errors"
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"github.com/AdguardTeam/golibs/log"
)
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// temporaryError is the interface for temporary errors from the Go standard
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// library.
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type temporaryError interface {
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error
Temporary() (ok bool)
}
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// Get the latest available version from the Internet
func handleGetVersionJSON(w http.ResponseWriter, r *http.Request) {
resp := &versionResponse{}
Fix #1069 install: check static ip Squashed commit of the following: commit 57466233cbeb89aff82d8610778f7c3b60fe8426 Merge: 2df5f281 867bf545 Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 18:39:15 2020 +0300 Merge branch 'master' into 1069-install-static-ip commit 2df5f281c4f5949b92edd4747ece60ff73799e54 Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 18:35:54 2020 +0300 *: lang fix commit b4649a6b2781741979531faf862b88c2557f1445 Merge: c2785253 f61d5f0f Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 16:47:30 2020 +0300 *(home): fixed issues with setting static IP on Mac commit c27852537d2f5ce62b16c43f4241a15d0fb8c9fd Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 14:14:30 2020 +0300 +(dhcpd): added static IP for MacOS commit f61d5f0f85a954120b2676a5153f10a05662cf42 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 14:13:35 2020 +0300 + client: show confirm before setting static IP commit 7afa16fbe76dff4485d166f6164bae171e0110c9 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 13:51:52 2020 +0300 - client: fix text commit 019bff0851c584302fa44317fc748b3319be9470 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 13:49:16 2020 +0300 - client: pass all params to the check_config request commit 194bed72f567ae815cbd424e2df1ac5be65e0c02 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 17:12:16 2020 +0300 *: fix home_test commit 9359f6b55f5e36dd311fb85b6a83bb6227308f03 Merge: ae299058 c5ca2a77 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:54:54 2020 +0300 Merge with master commit ae2990582defd8062b99c546b2a932a8ba06c35d Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:53:36 2020 +0300 *(global): refactoring - moved runtime properties to Context commit d8d48c53869a94d18c5ea7bcf78613e83b24bfd8 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:04:25 2020 +0300 *(dhcpd): refactoring, use dhcpd/network_utils where possible commit 8d039c572f0e5f5245bd155a4e4d35400e6962c6 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Feb 7 18:37:39 2020 +0300 - client: fix button position commit 26c47e59dd63317bdb959cb416e7c1c0bfdf7dc1 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Feb 7 18:08:56 2020 +0300 - client: fix static ip description commit cb12babc4698d048478570303af8955a35e8531d Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 17:08:39 2020 +0300 *: lower log level for some commands commit d9001ff84852d708e400d039503141929e06d774 Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 16:17:59 2020 +0300 *(documentation): updated openapi commit 1d213d53c88d5009a4b1d33d4cfa9e215c644bec Merge: 8406d7d2 80861860 Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 15:16:46 2020 +0300 *: merge with master commit 8406d7d28827ce1ed9d9f6770ce1700681811535 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Jan 31 16:52:22 2020 +0300 - client: fix locales commit fb476b011768367be51010c89754dcd23b383f5a Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:29:03 2020 +0300 linter commit 84b5708e71c88a9643d402ab630270f5e7bf35b8 Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:27:53 2020 +0300 linter commit 143a86a28a3465776f803f6b99b9f3c64b26400e Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:26:47 2020 +0300 linter ... and 7 more commits
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if Context.disableUpdate {
// w.Header().Set("Content-Type", "application/json")
resp.Disabled = true
_ = json.NewEncoder(w).Encode(resp)
// TODO(e.burkov): Add error handling and deal with headers.
return
}
req := &struct {
Recheck bool `json:"recheck_now"`
}{}
var err error
if r.ContentLength != 0 {
err = json.NewDecoder(r.Body).Decode(req)
if err != nil {
httpError(w, http.StatusBadRequest, "JSON parse: %s", err)
return
}
}
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for i := 0; i != 3; i++ {
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func() {
Context.controlLock.Lock()
defer Context.controlLock.Unlock()
resp.VersionInfo, err = Context.updater.VersionInfo(req.Recheck)
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}()
if err != nil {
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var terr temporaryError
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if errors.As(err, &terr) && terr.Temporary() {
// Temporary network error. This case may happen while
// we're restarting our DNS server. Log and sleep for
// some time.
//
// See https://github.com/AdguardTeam/AdGuardHome/issues/934.
d := time.Duration(i) * time.Second
log.Info("temp net error: %q; sleeping for %s and retrying", err, d)
time.Sleep(d)
continue
}
}
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break
}
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if err != nil {
vcu := Context.updater.VersionCheckURL()
// TODO(a.garipov): Figure out the purpose of %T verb.
httpError(w, http.StatusBadGateway, "Couldn't get version check json from %s: %T %s\n", vcu, err, err)
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return
}
resp.confirmAutoUpdate()
w.Header().Set("Content-Type", "application/json")
err = json.NewEncoder(w).Encode(resp)
if err != nil {
httpError(w, http.StatusInternalServerError, "Couldn't write body: %s", err)
}
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}
// handleUpdate performs an update to the latest available version procedure.
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func handleUpdate(w http.ResponseWriter, _ *http.Request) {
if Context.updater.NewVersion() == "" {
httpError(w, http.StatusBadRequest, "/update request isn't allowed now")
return
}
err := Context.updater.Update()
if err != nil {
httpError(w, http.StatusInternalServerError, "%s", err)
return
}
returnOK(w)
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
// The background context is used because the underlying functions wrap
// it with timeout and shut down the server, which handles current
// request. It also should be done in a separate goroutine due to the
// same reason.
go func() {
finishUpdate(context.Background())
}()
}
// versionResponse is the response for /control/version.json endpoint.
type versionResponse struct {
Disabled bool `json:"disabled"`
updater.VersionInfo
}
// confirmAutoUpdate checks the real possibility of auto update.
func (vr *versionResponse) confirmAutoUpdate() {
if vr.CanAutoUpdate != nil && *vr.CanAutoUpdate {
canUpdate := true
var tlsConf *tlsConfigSettings
if runtime.GOOS != "windows" {
tlsConf = &tlsConfigSettings{}
Context.tls.WriteDiskConfig(tlsConf)
}
if tlsConf != nil &&
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((tlsConf.Enabled && (tlsConf.PortHTTPS < 1024 ||
tlsConf.PortDNSOverTLS < 1024 ||
tlsConf.PortDNSOverQUIC < 1024)) ||
config.BindPort < 1024 ||
config.DNS.Port < 1024) {
canUpdate, _ = aghos.CanBindPrivilegedPorts()
}
vr.CanAutoUpdate = &canUpdate
}
}
// finishUpdate completes an update procedure.
func finishUpdate(ctx context.Context) {
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log.Info("Stopping all tasks")
cleanup(ctx)
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cleanupAlways()
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exeName := "AdGuardHome"
if runtime.GOOS == "windows" {
exeName = "AdGuardHome.exe"
}
curBinName := filepath.Join(Context.workDir, exeName)
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if runtime.GOOS == "windows" {
Fix #1069 install: check static ip Squashed commit of the following: commit 57466233cbeb89aff82d8610778f7c3b60fe8426 Merge: 2df5f281 867bf545 Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 18:39:15 2020 +0300 Merge branch 'master' into 1069-install-static-ip commit 2df5f281c4f5949b92edd4747ece60ff73799e54 Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 18:35:54 2020 +0300 *: lang fix commit b4649a6b2781741979531faf862b88c2557f1445 Merge: c2785253 f61d5f0f Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 16:47:30 2020 +0300 *(home): fixed issues with setting static IP on Mac commit c27852537d2f5ce62b16c43f4241a15d0fb8c9fd Author: Andrey Meshkov <am@adguard.com> Date: Thu Feb 13 14:14:30 2020 +0300 +(dhcpd): added static IP for MacOS commit f61d5f0f85a954120b2676a5153f10a05662cf42 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 14:13:35 2020 +0300 + client: show confirm before setting static IP commit 7afa16fbe76dff4485d166f6164bae171e0110c9 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 13:51:52 2020 +0300 - client: fix text commit 019bff0851c584302fa44317fc748b3319be9470 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Thu Feb 13 13:49:16 2020 +0300 - client: pass all params to the check_config request commit 194bed72f567ae815cbd424e2df1ac5be65e0c02 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 17:12:16 2020 +0300 *: fix home_test commit 9359f6b55f5e36dd311fb85b6a83bb6227308f03 Merge: ae299058 c5ca2a77 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:54:54 2020 +0300 Merge with master commit ae2990582defd8062b99c546b2a932a8ba06c35d Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:53:36 2020 +0300 *(global): refactoring - moved runtime properties to Context commit d8d48c53869a94d18c5ea7bcf78613e83b24bfd8 Author: Andrey Meshkov <am@adguard.com> Date: Wed Feb 12 15:04:25 2020 +0300 *(dhcpd): refactoring, use dhcpd/network_utils where possible commit 8d039c572f0e5f5245bd155a4e4d35400e6962c6 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Feb 7 18:37:39 2020 +0300 - client: fix button position commit 26c47e59dd63317bdb959cb416e7c1c0bfdf7dc1 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Feb 7 18:08:56 2020 +0300 - client: fix static ip description commit cb12babc4698d048478570303af8955a35e8531d Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 17:08:39 2020 +0300 *: lower log level for some commands commit d9001ff84852d708e400d039503141929e06d774 Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 16:17:59 2020 +0300 *(documentation): updated openapi commit 1d213d53c88d5009a4b1d33d4cfa9e215c644bec Merge: 8406d7d2 80861860 Author: Andrey Meshkov <am@adguard.com> Date: Fri Feb 7 15:16:46 2020 +0300 *: merge with master commit 8406d7d28827ce1ed9d9f6770ce1700681811535 Author: Ildar Kamalov <i.kamalov@adguard.com> Date: Fri Jan 31 16:52:22 2020 +0300 - client: fix locales commit fb476b011768367be51010c89754dcd23b383f5a Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:29:03 2020 +0300 linter commit 84b5708e71c88a9643d402ab630270f5e7bf35b8 Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:27:53 2020 +0300 linter commit 143a86a28a3465776f803f6b99b9f3c64b26400e Author: Simon Zolin <s.zolin@adguard.com> Date: Fri Jan 31 13:26:47 2020 +0300 linter ... and 7 more commits
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if Context.runningAsService {
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// Note:
// we can't restart the service via "kardianos/service" package - it kills the process first
// we can't start a new instance - Windows doesn't allow it
cmd := exec.Command("cmd", "/c", "net stop AdGuardHome & net start AdGuardHome")
err := cmd.Start()
if err != nil {
log.Fatalf("exec.Command() failed: %s", err)
}
os.Exit(0)
}
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cmd := exec.Command(curBinName, os.Args[1:]...)
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log.Info("Restarting: %v", cmd.Args)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Start()
if err != nil {
log.Fatalf("exec.Command() failed: %s", err)
}
os.Exit(0)
} else {
log.Info("Restarting: %v", os.Args)
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err := syscall.Exec(curBinName, os.Args, os.Environ())
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if err != nil {
log.Fatalf("syscall.Exec() failed: %s", err)
}
// Unreachable code
}
}