/
upgrade_util.go
342 lines (321 loc) · 7.06 KB
/
upgrade_util.go
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// Copyright © 2015-2017 Platina Systems, Inc. All rights reserved.
// Use of this source code is governed by the GPL-2 license described in the
// LICENSE file.
package upgrade
import (
"archive/zip"
"crypto/sha1"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"syscall"
"github.com/platinasystems/go/internal/kexec"
"github.com/platinasystems/go/internal/url"
)
type IMGINFO struct {
Name string
Build string
User string
Size string
Tag string
Commit string
Chksum string
}
func getFile(s string, v string, t bool, fn string) (int, error) {
rmFile(fn)
urls := "http://" + s + "/" + v + "/" + fn
if t {
urls = "tftp://" + s + "/" + v + "/" + fn
}
r, err := url.Open(urls)
if err != nil {
return 0, nil
}
f, err := os.OpenFile(fn, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, DfltMod)
if err != nil {
return 0, err
}
defer f.Close()
n, err := io.Copy(f, r)
if err != nil {
return 0, err
}
syscall.Fsync(int(os.Stdout.Fd()))
return int(n), nil
}
func rmFiles() {
rmFile(VersionName)
return
}
func rmFile(f string) error {
if _, err := os.Stat(f); err != nil {
return err
}
if err := os.Remove(f); err != nil {
return err
}
return nil
}
func reboot() error {
kexec.Prepare()
_ = syscall.Reboot(syscall.LINUX_REBOOT_CMD_KEXEC)
return syscall.Reboot(syscall.LINUX_REBOOT_CMD_RESTART)
}
func unzip() error {
archive := ArchiveName
reader, err := zip.OpenReader(archive)
if err != nil {
return err
}
target := "."
for _, file := range reader.File {
path := filepath.Join(target, file.Name)
if file.FileInfo().IsDir() {
os.MkdirAll(path, file.Mode())
continue
}
r, err := file.Open()
if err != nil {
return err
}
defer r.Close()
t, err := os.OpenFile(
path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
if err != nil {
return err
}
defer t.Close()
if _, err := io.Copy(t, r); err != nil {
return err
}
}
return nil
}
func getBootedQSPI() (int, error) {
dat, err := ioutil.ReadFile("/tmp/qspi")
if err != nil {
return -1, err
}
if strings.Contains(string(dat), "QSPI0") {
return 0, nil
}
if strings.Contains(string(dat), "QSPI1") {
return 1, nil
}
return -1, nil
}
func printJSON(q bool) error {
selectQSPI(q)
_, b, err := readFlash(Qfmt["ver"].off, Qfmt["ver"].siz)
if err != nil {
return err
}
k := 0
for i, j := range b {
if j == ']' {
k = i
}
}
if k > 0 {
fmt.Println("")
if q == false {
fmt.Println("QSPI0 Image Details")
} else {
fmt.Println("QSPI1 Image Details")
}
var ImgInfo [5]IMGINFO
json.Unmarshal(b[JSON_OFFSET:k+1], &ImgInfo)
for i, _ := range ImgInfo {
fmt.Println(" Name : ", ImgInfo[i].Name)
fmt.Println(" Build : ", ImgInfo[i].Build)
fmt.Println(" User : ", ImgInfo[i].User)
fmt.Println(" Size : ", ImgInfo[i].Size)
fmt.Println(" Tag : ", ImgInfo[i].Tag)
fmt.Println(" Commit: ", ImgInfo[i].Commit)
fmt.Println(" Chksum: ", ImgInfo[i].Chksum)
fmt.Println("")
}
}
return nil
}
func getVerQSPI(q bool) (string, error) {
selectQSPI(q)
_, b, err := readFlash(Qfmt["ver"].off, Qfmt["ver"].siz)
if err != nil {
return "", err
}
qv := string(b[VERSION_OFFSET:VERSION_LEN])
if string(b[VERSION_OFFSET:VERSION_DEV]) == "dev" {
qv = "dev"
} else {
_, err = strconv.ParseFloat(qv, 64)
if err != nil {
qv = "00000000"
}
}
return qv, nil
}
func getInstalledVersions() ([]string, error) {
iv := make([]string, 2)
var err error
iv[0], err = getVerQSPI(false)
if err != nil {
return nil, err
}
iv[1], err = getVerQSPI(true)
if err != nil {
return nil, err
}
return iv, nil
}
func getServerVersion(s string, v string, t bool) (string, error) {
n, err := getFile(s, v, t, ArchiveName)
if err != nil {
return "", fmt.Errorf("Error downloading: %v", err)
}
if n < 1000 {
return "", fmt.Errorf("Error file too small: %v", err)
}
if err := unzip(); err != nil {
return "", fmt.Errorf("Error unzipping file: %v", err)
}
defer rmFiles()
l, err := ioutil.ReadFile(VersionName)
if err != nil {
return "", nil
}
sv := string(l[VERSION_OFFSET:VERSION_LEN])
if string(l[VERSION_OFFSET:VERSION_DEV]) == "dev" {
sv = "dev"
}
return sv, nil
}
func printVerServer(s string, v string, sv string) {
fmt.Print("\n")
fmt.Print("Version on server:\n")
fmt.Printf(" Requested server : %s\n", s)
fmt.Printf(" Requested version : %s\n", v)
fmt.Printf(" Found version : %s\n", sv)
fmt.Print("\n")
}
func printVerQSPI(iv []string, qspi int) {
fmt.Print("\n")
fmt.Print("Installed versions in QSPI flash:\n")
if qspi == 0 {
fmt.Printf(" * QSPI0 version: %s\n", iv[0])
fmt.Printf(" QSPI1 version: %s\n", iv[1])
fmt.Print("\n")
fmt.Print("Booted from QSPI0\n")
} else {
fmt.Printf(" QSPI0 version: %s\n", iv[0])
fmt.Printf(" * QSPI1 version: %s\n", iv[1])
fmt.Print("\n")
fmt.Print("Booted from QSPI1\n")
}
fmt.Print("\n")
}
func isVersionNewer(cur string, x string) (n bool, err error) {
if cur == "dev" || x == "dev" {
return true, nil
}
var c float64 = 0.0
var f float64 = 0.0
cur = strings.TrimSpace(cur)
cur = strings.Replace(cur, "v", "", -1)
c, err = strconv.ParseFloat(cur, 64)
if err != nil {
c = 0.0
}
x = strings.TrimSpace(x)
x = strings.Replace(x, "v", "", -1)
f, err = strconv.ParseFloat(x, 64)
if err != nil {
f = 0.0
}
if f > c {
return true, nil
}
return false, nil
}
func cmpSums(q bool) (err error) {
var ImgInfo [5]IMGINFO
if q == false {
fmt.Println("\nComparing checksums for QSPI0")
} else {
fmt.Println("\nComparing checksums for QSPI1")
}
if err = selectQSPI(q); err != nil {
return err
}
fd, err = syscall.Open(MTDdevice, syscall.O_RDWR, 0)
if err != nil {
err = fmt.Errorf("Open error %s: %s", MTDdevice, err)
return err
}
defer syscall.Close(fd)
if err = infoQSPI(); err != nil {
return err
}
_, b, err := readFlash(Qfmt["ver"].off, Qfmt["ver"].siz)
if err != nil {
return err
}
k := 0
for i, j := range b {
if j == ']' {
k = i
}
}
if k > 0 {
json.Unmarshal(b[JSON_OFFSET:k+1], &ImgInfo)
} else {
fmt.Println("Version block not found, skipping check")
return nil
}
syscall.Close(fd)
fd, err = syscall.Open(MTDdevice, syscall.O_RDWR, 0)
if err != nil {
err = fmt.Errorf("Open error %s: %s", MTDdevice, err)
return err
}
defer syscall.Close(fd)
var calcSums [5]string
for i, j := range img {
if j == "ubo" || j == "dtb" || j == "ker" || j == "ini" {
nn, bb, err := readQSPI(Qfmt[j].off, Qfmt[j].siz)
if err != nil {
err = fmt.Errorf("Read error: %s %v",
"ubo", err)
return err
}
if nn != int(Qfmt[j].siz) {
err = fmt.Errorf("Size error %v!=%v: %s %v",
0, 0, 0, err)
return err
}
l, err := strconv.Atoi(ImgInfo[i].Size)
if err != nil {
return err
}
h := sha1.New()
io.WriteString(h, string(bb[0:l]))
calcSums[i] = fmt.Sprintf("%x", h.Sum(nil))
}
}
chkFail := false
for i, _ := range ImgInfo {
if calcSums[i] != "" && ImgInfo[i].Chksum != calcSums[i] {
fmt.Println("Checksum fail: ", ImgInfo[i].Name)
chkFail = true
}
}
if chkFail == false {
fmt.Println("Checksums match.")
}
return nil
}