From af7255bac4318ec96b0b36a57ea87ea893ba7b02 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Thu, 4 Aug 2016 10:42:33 +0100
Subject: [PATCH] [Fix] Parse CGP envelope data

---
 utils/cgp_rspamd.pl | 46 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 39 insertions(+), 7 deletions(-)

diff --git a/utils/cgp_rspamd.pl b/utils/cgp_rspamd.pl
index f9e0bb4d7..482bbd3bb 100644
--- a/utils/cgp_rspamd.pl
+++ b/utils/cgp_rspamd.pl
@@ -20,7 +20,6 @@ my $reject_message = "Spam message rejected";
 GetOptions(
   "host=s" => \$rspamd_host,
   "header=s" => \$header,
-  "local" => \$local,
   "reject-message=s" => \$reject_message,
   "help|?" => \$help,
   "man" => \$man
@@ -100,13 +99,51 @@ sub rspamd_scan {
 
   if ($local) {
     # Use file scan
+    # XXX: not implemented now due to CGP queue format
     http_get("http://$rspamd_host/symbols?file=$file", $http_callback);
   }
   else {
     aio_load($file, sub {
       my ($data) = @_ or return print "* Cannot open $file: $!\n$tag FAILURE\n";
 
-      http_post("http://$rspamd_host/symbols", $data, $http_callback);
+      # Parse CGP format
+      $data =~ s/^((?:[^\n]*\n)*?)\n(.*)$/$2/ms;
+      my @envelope = split /\n/, $1;
+      chomp(@envelope);
+      my $from;
+      my @rcpts;
+      my $ip;
+
+      foreach my $elt (@envelope) {
+        if ($elt =~ /^P\s[^<]*(<[^>]*>).*$/) {
+          $from = $1;
+        }
+        elsif ($elt =~ /^R\s[^<]*(<[^>]*>).*$/) {
+          push @rcpts, $1;
+        }
+        elsif ($elt =~ /^S .*\[(.+)\]/) {
+          $ip = $1;
+        }
+      }
+
+      my $headers = {};
+      if ($file =~ /\/([^\/.]+)\.msg$/) {
+        $headers->{'Queue-ID'} = $1;
+      }
+      if ($from) {
+        $headers->{From} = $from;
+      }
+      if (scalar(@rcpts) > 0) {
+        # XXX: Anyevent cannot parse headers with multiple values
+        foreach (@rcpts) {
+          $headers->{Rcpt} = $_;
+        }
+      }
+      if ($ip) {
+        $headers->{IP} = $ip;
+      }
+
+      http_post("http://$rspamd_host/symbols", $data, headers => $headers, $http_callback);
     });
   }
 }
@@ -154,7 +191,6 @@ cgp_rspamd [options]
 
  Options:
    --host=hostport        Rspamd host to connect (localhost:11333 by default)
-   --local                Rspamd runs locally and can access CGP files (false by default)
    --header               Add specific header for a spam message ("X-Spam: yes" by default)
    --reject-message       Rejection message for spam mail ("Spam message rejected" by default)
    --help                 brief help message
@@ -168,10 +204,6 @@ cgp_rspamd [options]
 
 Specifies Rspamd host to use for scanning
 
-=item B<--local>
-
-Should be used if Rspamd runs on the same machine and can access CGP files
-
 =item B<--header>
 
 Specifies the header that should be added when Rspamd action is B<add header>
-- 
2.39.5