From: Willy Tarreau <w@1wt.eu>
Date: Tue, 8 Sep 2026 06:47:28 +0000 (+0200)
Subject: MINOR: http: define new HTTP status codes for parsers
X-Git-Tag: v3.5-dev7~64
X-Git-Url: https://git.kaiwu.me/?a=commitdiff_plain;h=2cedce95ce01027a82259825b6b8875ae1600875;p=haproxy.git

MINOR: http: define new HTTP status codes for parsers

The new http_parser_status enum contains codes for HTTP header field
parsers (headers and trailers). This will be used by generic parsers
to return accurate error information on what exactly was invalid.
---

diff --git a/include/haproxy/http-t.h b/include/haproxy/http-t.h
index 94bc12670..837f071de 100644
--- a/include/haproxy/http-t.h
+++ b/include/haproxy/http-t.h
@@ -110,6 +110,18 @@ enum {
 	HTTP_ERR_SIZE
 };
 
+/* HTTP parser error codes */
+enum http_parser_status {
+	HTTP_PRS_SUCCESS = 0,
+	HTTP_PRS_INV_HNAME, /* invalid character in header/trailer name */
+	HTTP_PRS_INV_HVAL,  /* invalid character in header/trailer value */
+	HTTP_PRS_PHDR_TRL,  /* pseudo-header in trailer */
+	HTTP_PRS_FORB_TRL,  /* forbidden trailer name */
+	HTTP_PRS_TOO_MANY,  /* too many header/trailer fields */
+	HTTP_PRS_TOO_LARGE, /* failed to add header/trailer (too large hdr block) */
+	HTTP_PRS_OTHER,     /* other unreferenced error (mostly for default statement) */
+};
+
 /* Note: the strings below make use of chunks. Chunks may carry an allocated
  * size in addition to the length. The size counts from the beginning (str)
  * to the end. If the size is unknown, it MUST be zero, in which case the