From: Victor Julien <victor@inliniac.net>
Date: Fri, 6 May 2016 13:18:57 +0000 (+0200)
Subject: ipv6: fix alignment issue in address to string code
X-Git-Tag: suricata-3.1RC1~177
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79c1904ab24ccd8dd34c5847d4302431034633a4;p=thirdparty%2Fsuricata.git

ipv6: fix alignment issue in address to string code
---

diff --git a/src/util-print.c b/src/util-print.c
index 3e34756c7a..5882b1865e 100644
--- a/src/util-print.c
+++ b/src/util-print.c
@@ -237,9 +237,10 @@ void PrintStringsToBuffer(uint8_t *dst_buf, uint32_t *dst_buf_offset_ptr, uint32
 
 static const char *PrintInetIPv6(const void *src, char *dst, socklen_t size)
 {
-    struct in6_addr * insrc = (struct in6_addr *) src;
     int i;
     char s_part[6];
+    uint16_t x[8];
+    memcpy(&x, src, 16);
 
     /* current IPv6 format is fixed size */
     if (size < 8 * 5) {
@@ -248,7 +249,7 @@ static const char *PrintInetIPv6(const void *src, char *dst, socklen_t size)
     }
     memset(dst, 0, size);
     for(i = 0; i < 8; i++) {
-        snprintf(s_part, 6, "%04x:", htons(insrc->s6_addr16[i]));
+        snprintf(s_part, sizeof(s_part), "%04x:", htons(x[i]));
         strlcat(dst, s_part, size);
     }
     /* suppress last ':' */