X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=passwd.go;h=a93fbc9e145c7fde84c16d789c0c2efabd334037;hb=9abd4f096961adf76de6fd3c5898a447a3ff81cf;hp=f2ff9a472193b1b642eb5d1e8c010acea2217fc7;hpb=cb0449b3d3da2498e360098694a556c882d454bd;p=gocheese.git

diff --git a/passwd.go b/passwd.go
index f2ff9a4..a93fbc9 100644
--- a/passwd.go
+++ b/passwd.go
@@ -19,14 +19,18 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 package main
 
 import (
+	"bufio"
 	"errors"
-	"io/ioutil"
 	"log"
 	"os"
 	"strings"
+	"sync"
 )
 
-var passwords map[string]Auther = make(map[string]Auther)
+var (
+	Passwords  map[string]Auther = make(map[string]Auther)
+	PasswordsM sync.RWMutex
+)
 
 type Auther interface {
 	Auth(password string) bool
@@ -51,33 +55,51 @@ func strToAuther(verifier string) (string, Auther, error) {
 	return algorithm, auther, err
 }
 
-func refreshPasswd() {
-	passwd, err := ioutil.ReadFile(*passwdPath)
-	if os.IsNotExist(err) {
-		return
-	}
-	if err != nil {
-		log.Fatal(err)
-	}
-	passwordsNew := make(map[string]Auther)
-	for i, credentials := range strings.Split(strings.TrimRight(string(passwd), "\n"), "\n") {
-		if len(credentials) == 0 || strings.HasPrefix(credentials, "#") {
+func passwdReader(fd *os.File) bool {
+	isGood := true
+	scanner := bufio.NewScanner(fd)
+	for scanner.Scan() {
+		t := scanner.Text()
+		if len(t) == 0 {
 			continue
 		}
-		splitted := strings.Split(credentials, ":")
+		splitted := strings.Split(t, ":")
 		if len(splitted) != 2 {
-			log.Fatalf("%s:%d: Wrong login:password format", *passwdPath, i)
+			log.Println("wrong login:password format:", t)
+			isGood = false
+			continue
 		}
 		login := splitted[0]
-		if _, exists := passwordsNew[login]; exists {
-			log.Fatalf("%s:%d: %s: already exists", *passwdPath, i, login)
+		passwd := splitted[1]
+		if passwd == "" {
+			log.Println("deleting login:", login)
+			PasswordsM.Lock()
+			delete(Passwords, login)
+			PasswordsM.Unlock()
+			continue
 		}
-		_, auther, err := strToAuther(splitted[1])
+		_, auther, err := strToAuther(passwd)
 		if err != nil {
-			log.Fatalf("%s:%d: %s: %s", *passwdPath, i, login, err)
+			log.Println("login:", login, "invalid password:", err)
+			isGood = false
+			continue
 		}
-		passwordsNew[login] = auther
-		log.Println("added password for:", login)
+		log.Println("adding password for:", login)
+		PasswordsM.Lock()
+		Passwords[login] = auther
+		PasswordsM.Unlock()
+	}
+	return isGood
+}
+
+func passwdLister(fd *os.File) {
+	PasswordsM.RLock()
+	logins := make([]string, 0, len(Passwords))
+	for login := range Passwords {
+		logins = append(logins, login)
+	}
+	PasswordsM.RUnlock()
+	for _, login := range logins {
+		fd.WriteString(login + "\n")
 	}
-	passwords = passwordsNew
 }