From 845ddb43da8aa2a8c80a9d9638d63386ddf97d7e Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sun, 28 Aug 2016 20:32:55 -0400
Subject: add content-length handling and partial chunked transfer-encoding
 support (still need footers and compression)

---
 include/fhp/fhp.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'include')

diff --git a/include/fhp/fhp.h b/include/fhp/fhp.h
index 639eb0f..3aa020d 100644
--- a/include/fhp/fhp.h
+++ b/include/fhp/fhp.h
@@ -47,6 +47,10 @@ typedef enum {
   FHP_ERR_CL_PARSER_DONE,
   FHP_ERR_BAD_CL_STATE,
   FHP_ERR_CL_OVERFLOW,
+  FHP_ERR_INVALID_CHAR_IN_CHUNK_LEN,
+  FHP_ERR_INVALID_CHAR_AFTER_CHUNK_LEN,
+  FHP_ERR_CHUNK_LEN_OVERFLOW,
+  FHP_ERR_INVALID_CHAR_AFTER_CHUNK_BODY,
   FHP_ERR_LAST
 } fhp_err_t;
 
@@ -93,6 +97,19 @@ typedef enum {
   FHP_TOKEN_HEADER_TRANSFER_ENCODING,
   FHP_TOKEN_HEADER_CONTENT_LENGTH,
 
+  FHP_TOKEN_HEADERS_END,
+
+  FHP_TOKEN_BODY_NONE,
+  FHP_TOKEN_BODY_START,
+  FHP_TOKEN_BODY_FRAGMENT,
+  FHP_TOKEN_BODY_END,
+
+  FHP_TOKEN_CHUNK_START,
+  FHP_TOKEN_CHUNK_END,
+  FHP_TOKEN_CHUNK_LAST,
+
+  FHP_TOKEN_REQUEST_END,
+
   FHP_TOKEN_LAST
 } fhp_token_t;
 
@@ -225,6 +242,14 @@ typedef enum {
   FHP_STATE_HEADER_VALUE_END,
   FHP_STATE_HEADERS_END,
   FHP_STATE_HEADERS_END_CR,
+  FHP_STATE_CL_BODY,
+  FHP_STATE_CHUNK_LEN,
+  FHP_STATE_CHUNK_LEN_CR,
+  FHP_STATE_CHUNK_BODY,
+  FHP_STATE_CHUNK_BODY_END,
+  FHP_STATE_CHUNK_BODY_END_CR,
+  FHP_STATE_TE_FOOTER,
+  FHP_STATE_REQUEST_END,
   FHP_STATE_LAST
 } fhp_state_t;
 
@@ -291,6 +316,12 @@ struct fhp_ctx_t_ {
 
   // state for url hex decoder
   uint32_t hex;
+
+  // state for chunk length decoder
+  uint64_t chunk_len;
+
+  // bytes remaining for body (content-length) or current chunk (chunked)
+  uint64_t bytes_left;
 };
 
 fhp_err_t
-- 
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