# HG changeset patch
# User Maxim Dounin <mdounin@mdounin.ru>
# Date 1315324516 -14400
# Node ID 437a4ad9102ddd776bd866e3b2ff18553104814d
# Parent 28b35237ca588d407cbdd17d9535aa72ba589cff
Additional headers for proxy_ignore_headers/fastcgi_ignore_headers.

Now the following headers may be ignored as well: X-Accel-Limit-Rate,
X-Accel-Buffering, X-Accel-Charset.

diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -360,6 +360,9 @@ ngx_conf_bitmask_t ngx_http_upstream_ca
ngx_conf_bitmask_t ngx_http_upstream_ignore_headers_masks[] = {
{ ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
{ ngx_string("X-Accel-Expires"), NGX_HTTP_UPSTREAM_IGN_XA_EXPIRES },
+ { ngx_string("X-Accel-Limit-Rate"), NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE },
+ { ngx_string("X-Accel-Buffering"), NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING },
+ { ngx_string("X-Accel-Charset"), NGX_HTTP_UPSTREAM_IGN_XA_CHARSET },
{ 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 },
@@ -3265,9 +3268,15 @@ static ngx_int_t
ngx_http_upstream_process_limit_rate(ngx_http_request_t *r, ngx_table_elt_t *h,
ngx_uint_t offset)
{
- ngx_int_t n;
-
- r->upstream->headers_in.x_accel_limit_rate = h;
+ ngx_int_t n;
+ ngx_http_upstream_t *u;
+
+ u = r->upstream;
+ u->headers_in.x_accel_limit_rate = h;
+
+ if (u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE) {
+ return NGX_OK;
+ }

n = ngx_atoi(h->value.data, h->value.len);

@@ -3283,16 +3292,23 @@ static ngx_int_t
ngx_http_upstream_process_buffering(ngx_http_request_t *r, ngx_table_elt_t *h,
ngx_uint_t offset)
{
- u_char c0, c1, c2;
-
- if (r->upstream->conf->change_buffering) {
+ u_char c0, c1, c2;
+ ngx_http_upstream_t *u;
+
+ u = r->upstream;
+
+ if (u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING) {
+ return NGX_OK;
+ }
+
+ if (u->conf->change_buffering) {

if (h->value.len == 2) {
c0 = ngx_tolower(h->value.data[0]);
c1 = ngx_tolower(h->value.data[1]);

if (c0 == 'n' && c1 == 'o') {
- r->upstream->buffering = 0;
+ u->buffering = 0;
}

} else if (h->value.len == 3) {
@@ -3301,7 +3317,7 @@ ngx_http_upstream_process_buffering(ngx_
c2 = ngx_tolower(h->value.data[2]);

if (c0 == 'y' && c1 == 'e' && c2 == 's') {
- r->upstream->buffering = 1;
+ u->buffering = 1;
}
}
}
@@ -3314,6 +3330,10 @@ static ngx_int_t
ngx_http_upstream_process_charset(ngx_http_request_t *r, ngx_table_elt_t *h,
ngx_uint_t offset)
{
+ if (r->upstream->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_CHARSET) {
+ return NGX_OK;
+ }
+
r->headers_out.override_charset = &h->value;

return NGX_OK;
diff --git a/src/http/ngx_http_upstream.h b/src/http/ngx_http_upstream.h
--- a/src/http/ngx_http_upstream.h
+++ b/src/http/ngx_http_upstream.h
@@ -44,6 +44,9 @@
#define NGX_HTTP_UPSTREAM_IGN_EXPIRES 0x00000008
#define NGX_HTTP_UPSTREAM_IGN_CACHE_CONTROL 0x00000010
#define NGX_HTTP_UPSTREAM_IGN_SET_COOKIE 0x00000020
+#define NGX_HTTP_UPSTREAM_IGN_XA_LIMIT_RATE 0x00000040
+#define NGX_HTTP_UPSTREAM_IGN_XA_BUFFERING 0x00000080
+#define NGX_HTTP_UPSTREAM_IGN_XA_CHARSET 0x00000100


typedef struct {

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