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

pracj3am · pracj3am · commit 7a62e4e3dc32 · 2022-04-27T17:06:56.000+02:00
diff --git a/src/ngx_http_modsecurity_rewrite.c b/src/ngx_http_modsecurity_rewrite.c
@@ -231,7 +231,7 @@ 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);
     }

Original file line number	Diff line number	Diff line change
`@@ -231,7 +231,7 @@ ngx_int_t`
`231`	`231`	`ngx_http_modsecurity_process_empty_req_body(ngx_http_request_t *r,`
`232`	`232`	`ngx_http_modsecurity_ctx_t *ctx)`
`233`	`233`	`{`
`234`		`- if (r->headers_in.content_length_n < 0 && !r->headers_in.chunked) {`
	`234`	`+ if (r->headers_in.content_length_n <= 0 && !r->headers_in.chunked) {`
`235`	`235`	`msc_process_request_body(ctx->modsec_transaction);`
`236`	`236`	`return ngx_http_modsecurity_process_intervention(r, ctx);`
`237`	`237`	`}`