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whitelist.go
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/
whitelist.go
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package main
import (
"fmt"
"github.com/hpcloud/tail"
"log"
"os"
"path/filepath"
"strings"
"time"
)
func initWhiteList() (file string) {
if whitelistFileName[0:1] == `/` {
return whitelistFileName
}
appDir, err := filepath.Abs(filepath.Dir(os.Args[0]))
if err != nil {
log.Fatal(err)
}
pwd, err := os.Getwd()
if err != nil {
log.Fatal(err)
}
for _, path := range [...]string{appDir, pwd, `/etc`} {
checkFile := path + `/` + whitelistFileName
if _, err := os.Stat(checkFile); err == nil {
file = checkFile
break
}
}
if file == `` {
log.Fatal(`config file "` + whitelistFileName + `" not found`)
}
return
}
func refreshWhiteList() {
whitelistFileFinal = initWhiteList()
fmt.Println(`final whitelist file`, whitelistFileFinal)
var iWait int64 = 3
for {
t, _ := tail.TailFile(whitelistFileFinal, tail.Config{Follow: true, Logger: tail.DiscardingLogger})
fileAllow = make(map[string]bool)
for line := range t.Lines {
sLine := line.Text
sLine = strings.TrimSpace(sLine)
if sLine[0:1] != `/` {
continue
}
fileAllow[sLine] = true
}
time.Sleep(time.Duration(iWait) * time.Second)
}
}