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feat: SSH 登陆日志适配 Debian12 #2567

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Merged
f2c-ci-robot merged 1 commit into from
Oct 16, 2023
Merged

feat: SSH 登陆日志适配 Debian12 #2567

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128 changes: 92 additions & 36 deletions backend/app/service/ssh.go
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Original file line number Diff line number Diff line change
Expand Up @@ -287,9 +287,9 @@ func (u *SSHService) LoadLog(req dto.SearchSSHLog) (*dto.SSHLog, error) {
case constant.StatusSuccess:
commandItem = fmt.Sprintf("cat %s | grep -a Accepted %s", file.Name, command)
case constant.StatusFailed:
commandItem = fmt.Sprintf("cat %s | grep -a 'Connection closed by authenticating user' | grep -a 'preauth' %s", file.Name, command)
commandItem = fmt.Sprintf("cat %s | grep -aE 'Failed password for|Connection closed by authenticating user' | grep -a 'preauth' %s", file.Name, command)
default:
commandItem = fmt.Sprintf("cat %s | grep -aE \"(Connection closed by authenticating user|Accepted)\" | grep -v 'invalid' %s", file.Name, command)
commandItem = fmt.Sprintf("cat %s | grep -aE \"(Failed password for|Connection closed by authenticating user|Accepted)\" | grep -v 'invalid' %s", file.Name, command)
}
}
dataItem, successCount, failedCount := loadSSHData(commandItem, showCountFrom, showCountTo, file.Year, qqWry, nyc)
Expand Down Expand Up @@ -466,7 +466,7 @@ func loadSSHData(command string, showCountFrom, showCountTo, currentYear int, qq
if len(itemData.Address) != 0 {
if successCount+failedCount >= showCountFrom && successCount+failedCount < showCountTo {
itemData.Area = qqWry.Find(itemData.Address).Area
itemData.Date, _ = time.ParseInLocation("2006 Jan 2 15:04:05", fmt.Sprintf("%d %s", currentYear, itemData.DateStr), nyc)
itemData.Date = loadDate(currentYear, itemData.DateStr, nyc)
datas = append(datas, itemData)
}
failedCount++
Expand All @@ -476,7 +476,7 @@ func loadSSHData(command string, showCountFrom, showCountTo, currentYear int, qq
if len(itemData.Address) != 0 {
if successCount+failedCount >= showCountFrom && successCount+failedCount < showCountTo {
itemData.Area = qqWry.Find(itemData.Address).Area
itemData.Date, _ = time.ParseInLocation("2006 Jan 2 15:04:05", fmt.Sprintf("%d %s", currentYear, itemData.DateStr), nyc)
itemData.Date = loadDate(currentYear, itemData.DateStr, nyc)
datas = append(datas, itemData)
}
failedCount++
Expand All @@ -486,7 +486,7 @@ func loadSSHData(command string, showCountFrom, showCountTo, currentYear int, qq
if len(itemData.Address) != 0 {
if successCount+failedCount >= showCountFrom && successCount+failedCount < showCountTo {
itemData.Area = qqWry.Find(itemData.Address).Area
itemData.Date, _ = time.ParseInLocation("2006 Jan 2 15:04:05", fmt.Sprintf("%d %s", currentYear, itemData.DateStr), nyc)
itemData.Date = loadDate(currentYear, itemData.DateStr, nyc)
datas = append(datas, itemData)
}
successCount++
Expand Down Expand Up @@ -540,33 +540,63 @@ func loadSSHDataForAnalysis(analysisMap map[string]dto.SSHLogAnalysis, commandIt
func loadSuccessDatas(line string) dto.SSHHistory {
var data dto.SSHHistory
parts := strings.Fields(line)
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[6],
User: parts[8],
Address: parts[10],
Port: parts[12],
Status: constant.StatusSuccess,
t, err := time.Parse("2006-01-02T15:04:05.999999-07:00", parts[0])
if err != nil {
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[6],
User: parts[8],
Address: parts[10],
Port: parts[12],
Status: constant.StatusSuccess,
}
} else {
if len(parts) < 12 {
return data
}
data = dto.SSHHistory{
DateStr: t.Format("2006 Jan 2 15:04:05"),
AuthMode: parts[4],
User: parts[6],
Address: parts[8],
Port: parts[10],
Status: constant.StatusSuccess,
}
}
return data
}

func loadFailedAuthDatas(line string) dto.SSHHistory {
var data dto.SSHHistory
parts := strings.Fields(line)
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[8],
User: parts[10],
Address: parts[11],
Port: parts[13],
Status: constant.StatusFailed,
t, err := time.Parse("2006-01-02T15:04:05.999999-07:00", parts[0])
if err != nil {
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[8],
User: parts[10],
Address: parts[11],
Port: parts[13],
Status: constant.StatusFailed,
}
} else {
if len(parts) < 12 {
return data
}
data = dto.SSHHistory{
DateStr: t.Format("2006 Jan 2 15:04:05"),
AuthMode: parts[6],
User: parts[7],
Address: parts[9],
Port: parts[11],
Status: constant.StatusFailed,
}
}
if strings.Contains(line, ": ") {
data.Message = strings.Split(line, ": ")[1]
Expand All @@ -577,21 +607,39 @@ func loadFailedAuthDatas(line string) dto.SSHHistory {
func loadFailedSecureDatas(line string) dto.SSHHistory {
var data dto.SSHHistory
parts := strings.Fields(line)
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[6],
User: parts[8],
Address: parts[10],
Port: parts[12],
Status: constant.StatusFailed,
t, err := time.Parse("2006-01-02T15:04:05.999999-07:00", parts[0])
if err != nil {
if len(parts) < 14 {
return data
}
data = dto.SSHHistory{
DateStr: fmt.Sprintf("%s %s %s", parts[0], parts[1], parts[2]),
AuthMode: parts[6],
User: parts[8],
Address: parts[10],
Port: parts[12],
Status: constant.StatusFailed,
}
} else {
if len(parts) < 12 {
return data
}
index := 0
if strings.Contains("line", " invalid user") {
index = 2
}
data = dto.SSHHistory{
DateStr: t.Format("2006 Jan 2 15:04:05"),
AuthMode: parts[4],
User: parts[index+6],
Address: parts[index+8],
Port: parts[index+10],
Status: constant.StatusFailed,
}
}
if strings.Contains(line, ": ") {
data.Message = strings.Split(line, ": ")[1]
}

return data
}

Expand All @@ -610,3 +658,11 @@ func loadServiceName() (string, error) {
}
return "", errors.New("The ssh or sshd service is unavailable")
}

func loadDate(currentYear int, DateStr string, nyc *time.Location) time.Time {
itemDate, err := time.ParseInLocation("2006 Jan 2 15:04:05", fmt.Sprintf("%d %s", currentYear, DateStr), nyc)
if err != nil {
itemDate, _ = time.ParseInLocation("2006 Jan 2 15:04:05", DateStr, nyc)
}
return itemDate
}