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Code Issues Releases Wiki Activity

Check for qmail / Postfix in first added received header only

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M66B 2022-01-12 20:06:58 +01:00
parent c2a56ab69b
commit 3a7af8a57c
3 changed files with 10 additions and 9 deletions
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4
FAQ.md
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@ -4479,8 +4479,8 @@ To show shields, the option *Show authentication status indicator* in the displa
A message will be consired safely transported if *every* [Received](https://datatracker.ietf.org/doc/html/rfc2821#section-4.4) header:
* contains the phrase 'using TLS', 'via HTTP', 'version=TLS'
* contains the phrase '(qmail <nnn> invoked by uid <nnn>)'
* contains the phrase '(Postfix, from userid nnn)'
* contains the phrase '(qmail <nnn> invoked by uid <nnn>)' in the first added header
* contains the phrase '(Postfix, from userid nnn)' in the first added header
* has a *by* with a local address
* has a *by* xxx.google.com
* has a *from* with a local address

2
app/src/main/java/eu/faircode/email/HtmlHelper.java
View file

@ -2471,7 +2471,7 @@ public class HtmlHelper {
j++;
}
Boolean tls = MessageHelper.isTLS(h);
Boolean tls = MessageHelper.isTLS(h, i == received.length - 1);
ssb.append(" TLS=");
int t = ssb.length();
ssb.append(tls == null ? "?" : Boolean.toString(tls));

13
app/src/main/java/eu/faircode/email/MessageHelper.java
View file

@ -2076,10 +2076,10 @@ public class MessageHelper {
// First header is last added header
Log.i("=======");
for (String r : received) {
String header = MimeUtility.unfold(r);
for (int i = 0; i < received.length; i++) {
String header = MimeUtility.unfold(received[i]);
Log.i("--- header=" + header);
Boolean tls = isTLS(header);
Boolean tls = isTLS(header, i == received.length - 1);
if (!Boolean.TRUE.equals(tls))
return tls;
}
@ -2087,7 +2087,7 @@ public class MessageHelper {
return true;
}
static Boolean isTLS(String header) {
static Boolean isTLS(String header, boolean first) {
// Strip date
int semi = header.lastIndexOf(';');
if (semi > 0)
@ -2102,8 +2102,9 @@ public class MessageHelper {
// (qmail nnn invoked by uid nnn); 1 Jan 2022 00:00:00 -0000
// by <host name> (Postfix, from userid nnn)
if (header.matches(".*\\(qmail \\d+ invoked by uid \\d+\\).*") ||
header.matches(".*\\(Postfix, from userid \\d+\\).*")) {
if (first &&
(header.matches(".*\\(qmail \\d+ invoked by uid \\d+\\).*") ||
header.matches(".*\\(Postfix, from userid \\d+\\).*"))) {
Log.i("--- phrase");
return true;
}