From 20c9345155a27be1d9d5994bc81c172060344841 Mon Sep 17 00:00:00 2001
From: Ian Kelling <iank@fsf.org>
Date: Sat, 2 May 2020 22:22:54 -0400
Subject: [PATCH] fix for abbreviated ipv6

---
 p0f-client.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/p0f-client.c b/p0f-client.c
index d53bda6..ea815fd 100644
--- a/p0f-client.c
+++ b/p0f-client.c
@@ -73,10 +73,15 @@ static void parse_addr6(char* str, u8* ret) {
 
     while (isxdigit(*str)) str++;
     if (*str) str++;
+    // ian: added this to get beyond ::
+    if (*str && !isxdigit(*str)) str++;
 
   }
 
-  if (seg != 8) FATAL("Malformed IPv6 address (don't abbreviate).");
+  // iank: commented. exim abbreviates but its consistent. and ip addr is only used
+  // to identify host, some misplaced leading zeros will not end up making 2
+  // ipv6 addresses from the internet be the same in practice.
+  //if (seg != 8) FATAL("Malformed IPv6 address (don't abbreviate).");
 
 }
 
-- 
2.25.1