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4 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| a4adf1210a | |||
| cb9cf1ab36 | |||
| 17d41e4f61 | |||
| 122f76c3f9 |
+20
-9
@@ -10,6 +10,7 @@
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// Use a single LDAP connection protected by a mutex
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//
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// v0.9.6 : add PID file
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// v0.9.8 : Check MX format with regex
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//
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package main
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@@ -21,6 +22,7 @@ import (
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"log/syslog"
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"net"
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"os"
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"regexp"
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"strings"
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"sync"
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"time"
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@@ -31,7 +33,10 @@ import (
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)
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const (
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version = "0.9.7.1"
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version = "0.9.8"
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// Match le nom de domaine, soit les 2 dernieres chaines separees par un point.
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// Peut aussi terminer par un point (Ex: srv.domaine.com. => domaine.com)
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DomainRegexpFormat = `([0-9A-Za-z\-]*)\.([0-9A-Za-z\-]*)(?:\.)?$`
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)
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var (
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@@ -85,11 +90,14 @@ func sendResponse(con net.Conn, respMsg string, respCode int) error {
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func handleConnection(connClt net.Conn, conLdap *ldap.Conn) {
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var s string
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var mxdom string
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buf := make([]byte, 1024)
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re := regexp.MustCompile(DomainRegexpFormat)
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// Close connection when this function ends
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defer func() {
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logstream.Info("Closing connection")
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logstream.Debug("Closing connection")
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connClt.Close()
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}()
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@@ -103,7 +111,7 @@ func handleConnection(connClt net.Conn, conLdap *ldap.Conn) {
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readlen, err := connClt.Read(buf)
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if err != nil {
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// Dont notice if client closed connection
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if err.Error() != "EOF" {
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if err.Error() != "EOF" && !strings.HasSuffix(err.Error(), "i/o timeout") {
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logstream.Err(fmt.Sprintln("Error reading connection :", err.Error()))
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}
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return
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@@ -130,13 +138,16 @@ func handleConnection(connClt net.Conn, conLdap *ldap.Conn) {
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continue
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}
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mxslic := strings.Split(mxs[0].Host, ".")
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// les MXs terminent par '.', on le retire
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if mxs[0].Host[len(mxs[0].Host)-1] == '.' {
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mxdom = strings.Join(mxslic[len(mxslic)-3:len(mxslic)-1], ".")
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} else {
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mxdom = strings.Join(mxslic[len(mxslic)-2:len(mxslic)], ".")
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// On recuperer le nom de domaine de 1er niveau
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group := re.FindSubmatch([]byte(mxs[0].Host))
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if len(group) < 3 || len(group[2]) == 0 {
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logstream.Err(fmt.Sprintln("MX format incorrect: ", mxs[0].Host))
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w
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s := fmt.Sprintf("MX format incorrect: %s", err.Error())
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sendResponse(connClt, s, 500)
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continue
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}
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mxdom = string(group[1]) + "." + string(group[2])
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filter := fmt.Sprintf("(dc=%s)", ldap.EscapeFilter(mxdom))
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searchReq := ldap.NewSearchRequest(*ldapBaseDN, ldap.ScopeWholeSubtree, 0, 0, 0,
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