All known output headers can be linked lists now.
The h->next pointer properly provided as NULL in all cases where known
output headers are added.
Note that there are 3rd party modules which might not do this, and it
might be risky to rely on this for arbitrary headers.
diff --git a/src/http/modules/ngx_http_auth_basic_module.c b/src/http/modules/ngx_http_auth_basic_module.c
index 0693319..02d41e8 100644
--- a/src/http/modules/ngx_http_auth_basic_module.c
+++ b/src/http/modules/ngx_http_auth_basic_module.c
@@ -339,6 +339,7 @@
*p = '"';
r->headers_out.www_authenticate->hash = 1;
+ r->headers_out.www_authenticate->next = NULL;
ngx_str_set(&r->headers_out.www_authenticate->key, "WWW-Authenticate");
r->headers_out.www_authenticate->value.data = basic;
r->headers_out.www_authenticate->value.len = len;
diff --git a/src/http/modules/ngx_http_auth_request_module.c b/src/http/modules/ngx_http_auth_request_module.c
index bab79e4..f64ab09 100644
--- a/src/http/modules/ngx_http_auth_request_module.c
+++ b/src/http/modules/ngx_http_auth_request_module.c
@@ -154,6 +154,7 @@
}
*ho = *h;
+ ho->next = NULL;
r->headers_out.www_authenticate = ho;
}
diff --git a/src/http/modules/ngx_http_dav_module.c b/src/http/modules/ngx_http_dav_module.c
index 0cc9ae1..cfb9892 100644
--- a/src/http/modules/ngx_http_dav_module.c
+++ b/src/http/modules/ngx_http_dav_module.c
@@ -1082,6 +1082,7 @@
}
r->headers_out.location->hash = 1;
+ r->headers_out.location->next = NULL;
ngx_str_set(&r->headers_out.location->key, "Location");
escape = 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, NGX_ESCAPE_URI);
diff --git a/src/http/modules/ngx_http_gzip_filter_module.c b/src/http/modules/ngx_http_gzip_filter_module.c
index b8c5ccc..b775869 100644
--- a/src/http/modules/ngx_http_gzip_filter_module.c
+++ b/src/http/modules/ngx_http_gzip_filter_module.c
@@ -280,6 +280,7 @@
}
h->hash = 1;
+ h->next = NULL;
ngx_str_set(&h->key, "Content-Encoding");
ngx_str_set(&h->value, "gzip");
r->headers_out.content_encoding = h;
diff --git a/src/http/modules/ngx_http_gzip_static_module.c b/src/http/modules/ngx_http_gzip_static_module.c
index 7652a9a..66fcc5d 100644
--- a/src/http/modules/ngx_http_gzip_static_module.c
+++ b/src/http/modules/ngx_http_gzip_static_module.c
@@ -242,6 +242,7 @@
}
h->hash = 1;
+ h->next = NULL;
ngx_str_set(&h->key, "Content-Encoding");
ngx_str_set(&h->value, "gzip");
r->headers_out.content_encoding = h;
diff --git a/src/http/modules/ngx_http_headers_filter_module.c b/src/http/modules/ngx_http_headers_filter_module.c
index 995beb4..50295f4 100644
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -362,6 +362,7 @@
}
r->headers_out.expires = e;
+ e->next = NULL;
e->hash = 1;
ngx_str_set(&e->key, "Expires");
@@ -621,6 +622,7 @@
}
*old = h;
+ h->next = NULL;
}
h->hash = 1;
diff --git a/src/http/modules/ngx_http_memcached_module.c b/src/http/modules/ngx_http_memcached_module.c
index c82df6e..11bbd91 100644
--- a/src/http/modules/ngx_http_memcached_module.c
+++ b/src/http/modules/ngx_http_memcached_module.c
@@ -401,6 +401,7 @@
}
h->hash = 1;
+ h->next = NULL;
ngx_str_set(&h->key, "Content-Encoding");
ngx_str_set(&h->value, "gzip");
r->headers_out.content_encoding = h;
diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index ae08ebb..fa408b7 100644
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -258,6 +258,7 @@
}
r->headers_out.accept_ranges->hash = 1;
+ r->headers_out.accept_ranges->next = NULL;
ngx_str_set(&r->headers_out.accept_ranges->key, "Accept-Ranges");
ngx_str_set(&r->headers_out.accept_ranges->value, "bytes");
@@ -427,6 +428,7 @@
r->headers_out.content_range = content_range;
content_range->hash = 1;
+ content_range->next = NULL;
ngx_str_set(&content_range->key, "Content-Range");
content_range->value.data = ngx_pnalloc(r->pool,
@@ -599,6 +601,7 @@
r->headers_out.content_range = content_range;
content_range->hash = 1;
+ content_range->next = NULL;
ngx_str_set(&content_range->key, "Content-Range");
content_range->value.data = ngx_pnalloc(r->pool,
diff --git a/src/http/modules/ngx_http_static_module.c b/src/http/modules/ngx_http_static_module.c
index cf29d5a..e30565d 100644
--- a/src/http/modules/ngx_http_static_module.c
+++ b/src/http/modules/ngx_http_static_module.c
@@ -195,6 +195,7 @@
}
r->headers_out.location->hash = 1;
+ r->headers_out.location->next = NULL;
ngx_str_set(&r->headers_out.location->key, "Location");
r->headers_out.location->value.len = len;
r->headers_out.location->value.data = location;
diff --git a/src/http/modules/perl/nginx.xs b/src/http/modules/perl/nginx.xs
index c398e77..da12279 100644
--- a/src/http/modules/perl/nginx.xs
+++ b/src/http/modules/perl/nginx.xs
@@ -573,6 +573,7 @@
}
header->hash = 1;
+ header->next = NULL;
if (ngx_http_perl_sv2str(aTHX_ r, &header->key, key) != NGX_OK) {
header->hash = 0;
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index afb0862..0c7dd3f 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -1007,6 +1007,7 @@
}
r->headers_out.location->hash = 1;
+ r->headers_out.location->next = NULL;
ngx_str_set(&r->headers_out.location->key, "Location");
if (r->args.len == 0) {
@@ -1687,6 +1688,7 @@
}
etag->hash = 1;
+ etag->next = NULL;
ngx_str_set(&etag->key, "ETag");
etag->value.data = ngx_pnalloc(r->pool, NGX_OFF_T_LEN + NGX_TIME_T_LEN + 3);
@@ -1781,6 +1783,7 @@
}
r->headers_out.location->hash = 1;
+ r->headers_out.location->next = NULL;
ngx_str_set(&r->headers_out.location->key, "Location");
r->headers_out.location->value = val;
diff --git a/src/http/ngx_http_script.c b/src/http/ngx_http_script.c
index bebdbd9..a2b9f1b 100644
--- a/src/http/ngx_http_script.c
+++ b/src/http/ngx_http_script.c
@@ -1243,6 +1243,7 @@
}
r->headers_out.location->hash = 1;
+ r->headers_out.location->next = NULL;
ngx_str_set(&r->headers_out.location->key, "Location");
r->headers_out.location->value = e->buf;
diff --git a/src/http/ngx_http_special_response.c b/src/http/ngx_http_special_response.c
index 72f56fd..eaf42e3 100644
--- a/src/http/ngx_http_special_response.c
+++ b/src/http/ngx_http_special_response.c
@@ -649,6 +649,7 @@
}
location->hash = 1;
+ location->next = NULL;
ngx_str_set(&location->key, "Location");
location->value = uri;
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index b480f55..73936f7 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2681,6 +2681,7 @@
}
*h = *u->headers_in.www_authenticate;
+ h->next = NULL;
r->headers_out.www_authenticate = h;
}
@@ -5075,6 +5076,7 @@
if (offset) {
ph = (ngx_table_elt_t **) ((char *) &r->headers_out + offset);
*ph = ho;
+ ho->next = NULL;
}
return NGX_OK;
@@ -5169,6 +5171,7 @@
}
*ho = *h;
+ ho->next = NULL;
r->headers_out.last_modified = ho;
r->headers_out.last_modified_time =
@@ -5191,6 +5194,7 @@
}
*ho = *h;
+ ho->next = NULL;
if (r->upstream->rewrite_redirect) {
rc = r->upstream->rewrite_redirect(r, ho, 0);
@@ -5236,6 +5240,7 @@
}
*ho = *h;
+ ho->next = NULL;
if (r->upstream->rewrite_redirect) {
@@ -5281,6 +5286,7 @@
}
*ho = *h;
+ ho->next = NULL;
if (r->upstream->rewrite_cookie) {
rc = r->upstream->rewrite_cookie(r, ho);
@@ -5334,6 +5340,7 @@
}
*ho = *h;
+ ho->next = NULL;
r->headers_out.accept_ranges = ho;
