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bugfix: ngx_uwsgi and ngx_scgi did set u->length but not u->pipe->length, thus leading to truncation false positives.

This commit is contained in:
agentzh (Yichun Zhang) 2013-04-07 15:58:23 -07:00
parent 3be0b7f0e1
commit 13efb24106
1 changed files with 77 additions and 0 deletions
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77
patches/nginx-1.2.7-upstream_truncation.patch
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@ -1,3 +1,80 @@
diff --exclude '*~' --exclude '*.swp' -urp nginx-1.2.7/src/http/modules/ngx_http_scgi_module.c nginx-1.2.7-patched/src/http/modules/ngx_http_scgi_module.c
--- nginx-1.2.7/src/http/modules/ngx_http_scgi_module.c 2013-02-09 19:08:42.000000000 -0800
+++ nginx-1.2.7-patched/src/http/modules/ngx_http_scgi_module.c 2013-04-07 12:09:55.900492634 -0700
@@ -39,6 +39,7 @@ static ngx_int_t ngx_http_scgi_process_s
static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r);
static void ngx_http_scgi_abort_request(ngx_http_request_t *r);
static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc);
+static ngx_int_t ngx_http_scgi_input_filter_init(void *data);
static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
@@ -446,6 +447,8 @@ ngx_http_scgi_handler(ngx_http_request_t
u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
u->pipe->input_ctx = r;
+ u->input_filter_init = ngx_http_scgi_input_filter_init;
+
rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
@@ -1046,6 +1049,17 @@ ngx_http_scgi_finalize_request(ngx_http_
}
+static ngx_int_t
+ngx_http_scgi_input_filter_init(void *data)
+{
+ ngx_http_request_t *r = data;
+
+ r->upstream->length = -1;
+
+ return NGX_OK;
+}
+
+
static void *
ngx_http_scgi_create_loc_conf(ngx_conf_t *cf)
{
diff --exclude '*~' --exclude '*.swp' -urp nginx-1.2.7/src/http/modules/ngx_http_uwsgi_module.c nginx-1.2.7-patched/src/http/modules/ngx_http_uwsgi_module.c
--- nginx-1.2.7/src/http/modules/ngx_http_uwsgi_module.c 2013-02-09 19:08:42.000000000 -0800
+++ nginx-1.2.7-patched/src/http/modules/ngx_http_uwsgi_module.c 2013-04-07 11:58:24.546915778 -0700
@@ -46,6 +46,7 @@ static ngx_int_t ngx_http_uwsgi_process_
static void ngx_http_uwsgi_abort_request(ngx_http_request_t *r);
static void ngx_http_uwsgi_finalize_request(ngx_http_request_t *r,
ngx_int_t rc);
+static ngx_int_t ngx_http_uwsgi_input_filter_init(void *data);
static void *ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_uwsgi_merge_loc_conf(ngx_conf_t *cf, void *parent,
@@ -479,6 +480,8 @@ ngx_http_uwsgi_handler(ngx_http_request_
u->pipe->input_filter = ngx_event_pipe_copy_input_filter;
u->pipe->input_ctx = r;
+ u->input_filter_init = ngx_http_uwsgi_input_filter_init;
+
rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init);
if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
@@ -1086,6 +1089,17 @@ ngx_http_uwsgi_finalize_request(ngx_http
}
+static ngx_int_t
+ngx_http_uwsgi_input_filter_init(void *data)
+{
+ ngx_http_request_t *r = data;
+
+ r->upstream->length = -1;
+
+ return NGX_OK;
+}
+
+
static void *
ngx_http_uwsgi_create_loc_conf(ngx_conf_t *cf)
{
diff --exclude '*~' --exclude '*.swp' -urp nginx-1.2.7/src/http/ngx_http_upstream.c nginx-1.2.7-patched/src/http/ngx_http_upstream.c
--- nginx-1.2.7/src/http/ngx_http_upstream.c 2013-02-11 06:39:49.000000000 -0800
+++ nginx-1.2.7-patched/src/http/ngx_http_upstream.c 2013-04-06 17:16:54.444520038 -0700
@@ -2399,7 +2399,7 @@ ngx_http_upstream_process_non_buffered_u