X-Git-Url: https://code.wpia.club/?p=gigi.git;a=blobdiff_plain;f=src%2Forg%2Fcacert%2Fgigi%2Femail%2FEmailProvider.java;h=d76fd6ef1d185f002b76a464717bb170e28035ea;hp=3e6d3493acc317c4272ec14a845b1cb19f0d7f39;hb=9474df27407dd99134876f2c8a2a3b6e7d1fae6a;hpb=3e123160ad59a2e1162518923965562ff947b6d1

diff --git a/src/org/cacert/gigi/email/EmailProvider.java b/src/org/cacert/gigi/email/EmailProvider.java
index 3e6d3493..d76fd6ef 100644
--- a/src/org/cacert/gigi/email/EmailProvider.java
+++ b/src/org/cacert/gigi/email/EmailProvider.java
@@ -3,6 +3,7 @@ package org.cacert.gigi.email;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.net.Socket;
 import java.security.GeneralSecurityException;
@@ -10,10 +11,13 @@ import java.security.Key;
 import java.security.PrivateKey;
 import java.security.cert.Certificate;
 import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.Comparator;
 import java.util.Properties;
 import java.util.regex.Pattern;
 
 import javax.naming.NamingException;
+import javax.net.ssl.SSLSocketFactory;
 
 import org.cacert.gigi.crypto.SMIME;
 import org.cacert.gigi.database.DatabaseConnection;
@@ -75,41 +79,73 @@ public abstract class EmailProvider {
             } catch (NamingException e1) {
                 return "MX lookup for your hostname failed.";
             }
+            sortMX(mxhosts);
 
             for (String host : mxhosts) {
-                try (Socket s = new Socket(host, 25); BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream())); PrintWriter pw = new PrintWriter(s.getOutputStream())) {
+                host = host.split(" ", 2)[1];
+                if (host.endsWith(".")) {
+                    host = host.substring(0, host.length() - 1);
+                } else {
+                    return "Strange MX records.";
+                }
+                try (Socket s = new Socket(host, 25); BufferedReader br0 = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));//
+                        PrintWriter pw0 = new PrintWriter(new OutputStreamWriter(s.getOutputStream(), "UTF-8"))) {
+                    BufferedReader br = br0;
+                    PrintWriter pw = pw0;
                     String line;
-                    while ((line = br.readLine()) != null && line.startsWith("220-")) {
-                    }
-                    if (line == null || !line.startsWith("220")) {
+                    if ( !Sendmail.readSMTPResponse(br, 220)) {
                         continue;
                     }
 
-                    pw.print("HELO www.cacert.org\r\n");
+                    pw.print("EHLO www.cacert.org\r\n");
                     pw.flush();
-
-                    while ((line = br.readLine()) != null && line.startsWith("220")) {
+                    boolean starttls = false;
+                    do {
+                        line = br.readLine();
+                        if (line == null) {
+                            break;
+                        }
+                        starttls |= line.substring(4).equals("STARTTLS");
+                    } while (line.startsWith("250-"));
+                    if (line == null || !line.startsWith("250 ")) {
+                        continue;
                     }
 
-                    if (line == null || !line.startsWith("250")) {
-                        continue;
+                    if (starttls) {
+                        pw.print("STARTTLS\r\n");
+                        pw.flush();
+                        if ( !Sendmail.readSMTPResponse(br, 220)) {
+                            continue;
+                        }
+                        Socket s1 = ((SSLSocketFactory) SSLSocketFactory.getDefault()).createSocket(s, host, 25, true);
+                        br = new BufferedReader(new InputStreamReader(s1.getInputStream(), "UTF-8"));
+                        pw = new PrintWriter(s1.getOutputStream());
+                        pw.print("EHLO www.cacert.org\r\n");
+                        pw.flush();
+                        if ( !Sendmail.readSMTPResponse(br, 250)) {
+                            continue;
+                        }
                     }
+
                     pw.print("MAIL FROM: <returns@cacert.org>\r\n");
                     pw.flush();
 
-                    line = br.readLine();
-
-                    if (line == null || !line.startsWith("250")) {
+                    if ( !Sendmail.readSMTPResponse(br, 250)) {
                         continue;
                     }
                     pw.print("RCPT TO: <" + address + ">\r\n");
                     pw.flush();
 
-                    line = br.readLine();
+                    if ( !Sendmail.readSMTPResponse(br, 250)) {
+                        continue;
+                    }
                     pw.print("QUIT\r\n");
                     pw.flush();
+                    if ( !Sendmail.readSMTPResponse(br, 221)) {
+                        continue;
+                    }
 
-                    GigiPreparedStatement statmt = DatabaseConnection.getInstance().prepare("insert into `pinglog` set `when`=NOW(), `email`=?, `result`=?, `uid`=?");
+                    GigiPreparedStatement statmt = DatabaseConnection.getInstance().prepare("insert into `emailPinglog` set `when`=NOW(), `email`=?, `result`=?, `uid`=?");
                     statmt.setString(1, address);
                     statmt.setString(2, line);
                     statmt.setInt(3, forUid);
@@ -124,7 +160,7 @@ public abstract class EmailProvider {
 
             }
         }
-        GigiPreparedStatement statmt = DatabaseConnection.getInstance().prepare("insert into `pinglog` set `when`=NOW(), `email`=?, `result`=?, `uid`=?");
+        GigiPreparedStatement statmt = DatabaseConnection.getInstance().prepare("insert into `emailPinglog` set `when`=NOW(), `email`=?, `result`=?, `uid`=?");
         statmt.setString(1, address);
         statmt.setString(2, "Failed to make a connection to the mail server");
         statmt.setInt(3, forUid);
@@ -132,4 +168,16 @@ public abstract class EmailProvider {
         return FAIL;
     }
 
+    private static void sortMX(String[] mxhosts) {
+        Arrays.sort(mxhosts, new Comparator<String>() {
+
+            @Override
+            public int compare(String o1, String o2) {
+                int i1 = Integer.parseInt(o1.split(" ")[0]);
+                int i2 = Integer.parseInt(o2.split(" ")[0]);
+                return Integer.compare(i1, i2);
+            }
+        });
+    }
+
 }