"gzip_vary on" always sends "Vary: Accept-Encoding" header
diff --git a/src/http/modules/ngx_http_gzip_filter_module.c b/src/http/modules/ngx_http_gzip_filter_module.c
index 3677318..1ff45ea 100644
--- a/src/http/modules/ngx_http_gzip_filter_module.c
+++ b/src/http/modules/ngx_http_gzip_filter_module.c
@@ -204,12 +204,11 @@
static ngx_int_t
ngx_http_gzip_header_filter(ngx_http_request_t *r)
{
- ngx_str_t *type;
- ngx_uint_t i;
- ngx_table_elt_t *h;
- ngx_http_gzip_ctx_t *ctx;
- ngx_http_gzip_conf_t *conf;
- ngx_http_core_loc_conf_t *clcf;
+ ngx_str_t *type;
+ ngx_uint_t i;
+ ngx_table_elt_t *h;
+ ngx_http_gzip_ctx_t *ctx;
+ ngx_http_gzip_conf_t *conf;
conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module);
@@ -264,21 +263,6 @@
r->headers_out.content_encoding = h;
- clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
-
- if (clcf->gzip_vary) {
- h = ngx_list_push(&r->headers_out.headers);
- if (h == NULL) {
- return NGX_ERROR;
- }
-
- h->hash = 1;
- h->key.len = sizeof("Vary") - 1;
- h->key.data = (u_char *) "Vary";
- h->value.len = sizeof("Accept-Encoding") - 1;
- h->value.data = (u_char *) "Accept-Encoding";
- }
-
ctx->length = r->headers_out.content_length_n;
r->main_filter_need_in_memory = 1;
diff --git a/src/http/modules/ngx_http_gzip_static_module.c b/src/http/modules/ngx_http_gzip_static_module.c
index c373649..e6d44ec 100644
--- a/src/http/modules/ngx_http_gzip_static_module.c
+++ b/src/http/modules/ngx_http_gzip_static_module.c
@@ -203,19 +203,6 @@
r->headers_out.content_encoding = h;
- if (clcf->gzip_vary) {
- h = ngx_list_push(&r->headers_out.headers);
- if (h == NULL) {
- return NGX_ERROR;
- }
-
- h->hash = 1;
- h->key.len = sizeof("Vary") - 1;
- h->key.data = (u_char *) "Vary";
- h->value.len = sizeof("Accept-Encoding") - 1;
- h->value.data = (u_char *) "Accept-Encoding";
- }
-
/* we need to allocate all before the header would be sent */
b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
diff --git a/src/http/ngx_http_header_filter_module.c b/src/http/ngx_http_header_filter_module.c
index b7f26f6..777b526 100644
--- a/src/http/ngx_http_header_filter_module.c
+++ b/src/http/ngx_http_header_filter_module.c
@@ -347,6 +347,10 @@
len += sizeof("Connection: closed" CRLF) - 1;
}
+ if (r->gzip && clcf->gzip_vary) {
+ len += sizeof("Vary: Accept-Encoding" CRLF) - 1;
+ }
+
part = &r->headers_out.headers.part;
header = part->elts;
@@ -516,6 +520,11 @@
sizeof("Connection: close" CRLF) - 1);
}
+ if (r->gzip && clcf->gzip_vary) {
+ b->last = ngx_cpymem(b->last, "Vary: Accept-Encoding" CRLF,
+ sizeof("Vary: Accept-Encoding" CRLF) - 1);
+ }
+
part = &r->headers_out.headers.part;
header = part->elts;