Add support for extracting PIX workaround messages.

Author: whyscream

postfix.grok

@@ -98,6 +98,7 @@ POSTFIX_SMTP_LOSTCONN %{POSTFIX_QUEUEID:postfix_queueid}: %{POSTFIX_LOSTCONN:pos
 POSTFIX_SMTP_TIMEOUT %{POSTFIX_QUEUEID:postfix_queueid}: conversation with %{POSTFIX_RELAY_INFO} timed out( while %{POSTFIX_LOSTCONN_REASONS:postfix_smtp_lostconn_reason})?
 POSTFIX_SMTP_RELAYERR %{POSTFIX_QUEUEID:postfix_queueid}: host %{POSTFIX_RELAY_INFO} said: %{GREEDYDATA:postfix_smtp_response} \(in reply to %{POSTFIX_SMTP_STAGE:postfix_smtp_stage} command\)
 POSTFIX_SMTP_UTF8 host %{POSTFIX_RELAY_INFO} offers SMTPUTF8 support, but not 8BITMIME
+POSTFIX_SMTP_PIX %{POSTFIX_QUEUEID:postfix_queueid}: enabling PIX workarounds: %{DATA:postfix_pix_workaround} for %{POSTFIX_RELAY_INFO}
 
 # master patterns
 POSTFIX_MASTER_START (daemon started|reload) -- version %{DATA:postfix_version}, configuration %{PATH:postfix_config_path}
@@ -119,7 +120,7 @@ POSTFIX_PIPE %{POSTFIX_PIPE_ANY}
 POSTFIX_POSTSCREEN %{POSTFIX_PS_CONNECT}|%{POSTFIX_PS_ACCESS}|%{POSTFIX_PS_NOQUEUE}|%{POSTFIX_PS_TOOBUSY}|%{POSTFIX_PS_CACHE}|%{POSTFIX_PS_DNSBL}|%{POSTFIX_PS_VIOLATIONS}|%{POSTFIX_WARNING}
 POSTFIX_DNSBLOG %{POSTFIX_DNSBLOG_LISTING}|%{POSTFIX_WARNING}
 POSTFIX_ANVIL %{POSTFIX_ANVIL_CONN_RATE}|%{POSTFIX_ANVIL_CONN_CACHE}|%{POSTFIX_ANVIL_CONN_COUNT}
-POSTFIX_SMTP %{POSTFIX_SMTP_DELIVERY}|%{POSTFIX_SMTP_CONNERR}|%{POSTFIX_SMTP_SSLCONNERR}|%{POSTFIX_SMTP_LOSTCONN}|%{POSTFIX_SMTP_TIMEOUT}|%{POSTFIX_SMTP_RELAYERR}|%{POSTFIX_TLSCONN}|%{POSTFIX_WARNING}|%{POSTFIX_SMTP_UTF8}|%{POSTFIX_TLSVERIFICATION}
+POSTFIX_SMTP %{POSTFIX_SMTP_DELIVERY}|%{POSTFIX_SMTP_CONNERR}|%{POSTFIX_SMTP_SSLCONNERR}|%{POSTFIX_SMTP_LOSTCONN}|%{POSTFIX_SMTP_TIMEOUT}|%{POSTFIX_SMTP_RELAYERR}|%{POSTFIX_TLSCONN}|%{POSTFIX_WARNING}|%{POSTFIX_SMTP_UTF8}|%{POSTFIX_TLSVERIFICATION}|%{POSTFIX_SMTP_PIX}
 POSTFIX_DISCARD %{POSTFIX_DISCARD_ANY}|%{POSTFIX_WARNING}
 POSTFIX_LMTP %{POSTFIX_SMTP}
 POSTFIX_PICKUP %{POSTFIX_KEYVALUE}

test/smtp_0031.yaml

@@ -0,0 +1,7 @@
+pattern: "^%{POSTFIX_SMTP}$"
+data: "B0ADE20FC7: enabling PIX workarounds: disable_esmtp delay_dotcrlf for example.com[93.184.216.34]:25"
+results:
+    postfix_pix_workaround: "disable_esmtp delay_dotcrlf"
+    postfix_relay_hostname: example.com
+    postfix_relay_ip: 93.184.216.34
+    postfix_relay_port: 25