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authorMaxim Dounin <mdounin@mdounin.ru>2012-09-24 19:06:48 +0000
committerMaxim Dounin <mdounin@mdounin.ru>2012-09-24 19:06:48 +0000
commit21ccde77f5b632fc1d780d4533a7efa5be69fe9d (patch)
tree230b216b35f2cee22ce84f34c8d69ab62048dbf9 /src/http/ngx_http_core_module.c
parentadceda60bde1882fb89a2d7e3c62b93e9337ed5e (diff)
downloadnginx-21ccde77f5b632fc1d780d4533a7efa5be69fe9d.tar.gz
nginx-21ccde77f5b632fc1d780d4533a7efa5be69fe9d.tar.bz2
Merge of r4829: fixed strict aliasing with ipv6 (ticket #201).
Fixed strict aliasing bugs when dealing with IPv4-mapped IPv6 addresses.
Diffstat (limited to 'src/http/ngx_http_core_module.c')
-rw-r--r--src/http/ngx_http_core_module.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index e0cf4a0fb..e02a251c3 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -2733,7 +2733,15 @@ ngx_http_get_forwarded_addr(ngx_http_request_t *r, ngx_addr_t *addr,
if (IN6_IS_ADDR_V4MAPPED(inaddr6)) {
family = AF_INET;
- inaddr = *(in_addr_t *) &inaddr6->s6_addr[12];
+
+ p = inaddr6->s6_addr;
+
+ inaddr = p[12] << 24;
+ inaddr += p[13] << 16;
+ inaddr += p[14] << 8;
+ inaddr += p[15];
+
+ inaddr = htonl(inaddr);
}
}
#endif