modsecurity: Process also reqeusts w/ Content-Length: 0

pracj3am · pracj3am · commit 74f37856a012 · 2023-10-10T13:51:01.000+02:00
diff --git a/src/ngx_http_modsecurity_rewrite.c b/src/ngx_http_modsecurity_rewrite.c
@@ -247,7 +247,7 @@ ngx_int_t
 ngx_http_modsecurity_process_empty_req_body(ngx_http_request_t *r,
         ngx_http_modsecurity_ctx_t *ctx)
 {
-    if (r->headers_in.content_length_n < 0 && !r->headers_in.chunked) {
+    if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {
         msc_process_request_body(ctx->modsec_transaction);
         return ngx_http_modsecurity_process_intervention(r, ctx, 1);
     }

Original file line number	Diff line number	Diff line change
`@@ -247,7 +247,7 @@ ngx_int_t`
`247`	`247`	`ngx_http_modsecurity_process_empty_req_body(ngx_http_request_t *r,`
`248`	`248`	`ngx_http_modsecurity_ctx_t *ctx)`
`249`	`249`	`{`
`250`		`- if (r->headers_in.content_length_n < 0 && !r->headers_in.chunked) {`
	`250`	`+ if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {`
`251`	`251`	`msc_process_request_body(ctx->modsec_transaction);`
`252`	`252`	`return ngx_http_modsecurity_process_intervention(r, ctx, 1);`
`253`	`253`	`}`