treat Set-Cookie as a header that forbids caching
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index a59076f..44b8b94 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -72,6 +72,8 @@
static ngx_int_t ngx_http_upstream_process_header_line(ngx_http_request_t *r,
ngx_table_elt_t *h, ngx_uint_t offset);
+static ngx_int_t ngx_http_upstream_process_set_cookie(ngx_http_request_t *r,
+ ngx_table_elt_t *h, ngx_uint_t offset);
static ngx_int_t
ngx_http_upstream_process_cache_control(ngx_http_request_t *r,
ngx_table_elt_t *h, ngx_uint_t offset);
@@ -189,7 +191,7 @@
ngx_http_upstream_rewrite_refresh, 0, 0 },
{ ngx_string("Set-Cookie"),
- ngx_http_upstream_ignore_header_line, 0,
+ ngx_http_upstream_process_set_cookie, 0,
ngx_http_upstream_copy_header_line, 0, 1 },
{ ngx_string("Content-Disposition"),
@@ -360,6 +362,7 @@
{ ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
{ ngx_string("Expires"), NGX_HTTP_UPSTREAM_IGN_EXPIRES },
{ ngx_string("Cache-Control"), NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL },
+ { ngx_string("Set-Cookie"), NGX_HTTP_UPSTREAM_IGN_SET_COOKIE },
{ ngx_null_string, 0 }
};
@@ -2994,6 +2997,24 @@
static ngx_int_t
+ngx_http_upstream_process_set_cookie(ngx_http_request_t *r, ngx_table_elt_t *h,
+ ngx_uint_t offset)
+{
+#if (NGX_HTTP_CACHE)
+ ngx_http_upstream_t *u;
+
+ u = r->upstream;
+
+ if (!(u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_SET_COOKIE)) {
+ u->cacheable = 0;
+ }
+#endif
+
+ return NGX_OK;
+}
+
+
+static ngx_int_t
ngx_http_upstream_process_cache_control(ngx_http_request_t *r,
ngx_table_elt_t *h, ngx_uint_t offset)
{
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
index 76418b1..bcdfc5f 100644
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -43,6 +43,7 @@
#define NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES 0x00000004
#define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008
#define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010
+#define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020
typedef struct {