The "max_ranges" directive.
"max_ranges 0" disables ranges support at all,
"max_ranges 1" allows the single range, etc.
By default number of ranges is unlimited, to be precise, 2^31-1.
diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index 8f235d7..2d7c1c2 100644
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -59,7 +59,7 @@
static ngx_int_t ngx_http_range_parse(ngx_http_request_t *r,
- ngx_http_range_filter_ctx_t *ctx);
+ ngx_http_range_filter_ctx_t *ctx, ngx_uint_t ranges);
static ngx_int_t ngx_http_range_singlepart_header(ngx_http_request_t *r,
ngx_http_range_filter_ctx_t *ctx);
static ngx_int_t ngx_http_range_multipart_header(ngx_http_request_t *r,
@@ -146,6 +146,7 @@
ngx_http_range_header_filter(ngx_http_request_t *r)
{
time_t if_range;
+ ngx_http_core_loc_conf_t *clcf;
ngx_http_range_filter_ctx_t *ctx;
if (r->http_version < NGX_HTTP_VERSION_10
@@ -157,6 +158,12 @@
return ngx_http_next_header_filter(r);
}
+ clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
+
+ if (clcf->max_ranges == 0) {
+ return ngx_http_next_header_filter(r);
+ }
+
if (r->headers_in.range == NULL
|| r->headers_in.range->value.len < 7
|| ngx_strncasecmp(r->headers_in.range->value.data,
@@ -191,7 +198,7 @@
return NGX_ERROR;
}
- switch (ngx_http_range_parse(r, ctx)) {
+ switch (ngx_http_range_parse(r, ctx, clcf->max_ranges)) {
case NGX_OK:
ngx_http_set_ctx(r, ctx, ngx_http_range_body_filter_module);
@@ -231,7 +238,8 @@
static ngx_int_t
-ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx)
+ngx_http_range_parse(ngx_http_request_t *r, ngx_http_range_filter_ctx_t *ctx,
+ ngx_uint_t ranges)
{
u_char *p;
off_t start, end, size, content_length;
@@ -314,6 +322,10 @@
range->end = end;
size += end - start;
+
+ if (--ranges == 0) {
+ break;
+ }
}
if (*p++ != ',') {
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index bbb9311..ebe22ce 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -631,6 +631,13 @@
offsetof(ngx_http_core_loc_conf_t, if_modified_since),
&ngx_http_core_if_modified_since },
+ { ngx_string("max_ranges"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+ ngx_conf_set_num_slot,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ offsetof(ngx_http_core_loc_conf_t, max_ranges),
+ NULL },
+
{ ngx_string("chunked_transfer_encoding"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
@@ -3253,6 +3260,7 @@
clcf->keepalive_disable = NGX_CONF_UNSET_UINT;
clcf->satisfy = NGX_CONF_UNSET_UINT;
clcf->if_modified_since = NGX_CONF_UNSET_UINT;
+ clcf->max_ranges = NGX_CONF_UNSET_UINT;
clcf->client_body_in_file_only = NGX_CONF_UNSET_UINT;
clcf->client_body_in_single_buffer = NGX_CONF_UNSET;
clcf->internal = NGX_CONF_UNSET;
@@ -3459,6 +3467,8 @@
NGX_HTTP_SATISFY_ALL);
ngx_conf_merge_uint_value(conf->if_modified_since, prev->if_modified_since,
NGX_HTTP_IMS_EXACT);
+ ngx_conf_merge_uint_value(conf->max_ranges, prev->max_ranges,
+ 0x7fffffff);
ngx_conf_merge_uint_value(conf->client_body_in_file_only,
prev->client_body_in_file_only, 0);
ngx_conf_merge_value(conf->client_body_in_single_buffer,
diff --git a/src/http/ngx_http_core_module.h b/src/http/ngx_http_core_module.h
index 165e7c0..df20b5d 100644
--- a/src/http/ngx_http_core_module.h
+++ b/src/http/ngx_http_core_module.h
@@ -363,6 +363,7 @@
ngx_uint_t satisfy; /* satisfy */
ngx_uint_t lingering_close; /* lingering_close */
ngx_uint_t if_modified_since; /* if_modified_since */
+ ngx_uint_t max_ranges; /* max_ranges */
ngx_uint_t client_body_in_file_only; /* client_body_in_file_only */
ngx_flag_t client_body_in_single_buffer;
