From c54018b07a9085c0a3aedbc2bd01a85a3b3e20cf Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 25 May 2024 06:41:27 +0200
Subject: Merging upstream version 2.4.59.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 modules/http2/h2_proxy_util.c | 40 ++++++++++++++++++++++++++++++----------
 1 file changed, 30 insertions(+), 10 deletions(-)

(limited to 'modules/http2/h2_proxy_util.c')

diff --git a/modules/http2/h2_proxy_util.c b/modules/http2/h2_proxy_util.c
index bd45294..dc69ec0 100644
--- a/modules/http2/h2_proxy_util.c
+++ b/modules/http2/h2_proxy_util.c
@@ -452,6 +452,22 @@ h2_proxy_ngheader *h2_proxy_util_nghd_make_req(apr_pool_t *p,
     return ngh;
 }
 
+h2_proxy_ngheader *h2_proxy_util_nghd_make(apr_pool_t *p, apr_table_t *headers)
+{
+    
+    h2_proxy_ngheader *ngh;
+    size_t n;
+    
+    n = 0;
+    apr_table_do(count_header, &n, headers, NULL);
+    
+    ngh = apr_pcalloc(p, sizeof(h2_proxy_ngheader));
+    ngh->nv =  apr_pcalloc(p, n * sizeof(nghttp2_nv));
+    apr_table_do(add_table_header, ngh, headers, NULL);
+
+    return ngh;
+}
+
 /*******************************************************************************
  * header HTTP/1 <-> HTTP/2 conversions
  ******************************************************************************/
@@ -480,7 +496,7 @@ static int ignore_header(const literal *lits, size_t llen,
                          const char *name, size_t nlen)
 {
     const literal *lit;
-    int i;
+    size_t i;
     
     for (i = 0; i < llen; ++i) {
         lit = &lits[i];
@@ -567,8 +583,7 @@ static apr_status_t h2_headers_add_h1(apr_table_t *headers, apr_pool_t *pool,
 
 static h2_proxy_request *h2_proxy_req_createn(int id, apr_pool_t *pool, const char *method, 
                                   const char *scheme, const char *authority, 
-                                  const char *path, apr_table_t *header, 
-                                  int serialize)
+                                  const char *path, apr_table_t *header)
 {
     h2_proxy_request *req = apr_pcalloc(pool, sizeof(h2_proxy_request));
     
@@ -578,14 +593,13 @@ static h2_proxy_request *h2_proxy_req_createn(int id, apr_pool_t *pool, const ch
     req->path           = path;
     req->headers        = header? header : apr_table_make(pool, 10);
     req->request_time   = apr_time_now();
-    req->serialize      = serialize;
-    
+
     return req;
 }
 
-h2_proxy_request *h2_proxy_req_create(int id, apr_pool_t *pool, int serialize)
+h2_proxy_request *h2_proxy_req_create(int id, apr_pool_t *pool)
 {
-    return h2_proxy_req_createn(id, pool, NULL, NULL, NULL, NULL, NULL, serialize);
+    return h2_proxy_req_createn(id, pool, NULL, NULL, NULL, NULL, NULL);
 }
 
 typedef struct {
@@ -609,6 +623,7 @@ apr_status_t h2_proxy_req_make(h2_proxy_request *req, apr_pool_t *pool,
                          apr_table_t *headers)
 {
     h1_ctx x;
+    const char *val;
 
     req->method    = method;
     req->scheme    = scheme;
@@ -623,6 +638,11 @@ apr_status_t h2_proxy_req_make(h2_proxy_request *req, apr_pool_t *pool,
     x.pool = pool;
     x.headers = req->headers;
     apr_table_do(set_h1_header, &x, headers, NULL);
+    if ((val = apr_table_get(headers, "TE")) && ap_find_token(pool, val, "trailers")) {
+        /* client accepts trailers, forward this information */
+        apr_table_addn(req->headers, "TE", "trailers");
+    }
+    apr_table_setn(req->headers, "te", "trailers");
     return APR_SUCCESS;
 }
 
@@ -915,12 +935,12 @@ static size_t subst_str(link_ctx *ctx, int start, int end, const char *ns)
     nlen = (int)strlen(ns);
     delta = nlen - olen;
     plen = ctx->slen + delta + 1;
-    p = apr_pcalloc(ctx->pool, plen);
+    p = apr_palloc(ctx->pool, plen);
     memcpy(p, ctx->s, start);
     memcpy(p + start, ns, nlen);
     strcpy(p + start + nlen, ctx->s + end);
     ctx->s = p;
-    ctx->slen = (int)strlen(p);
+    ctx->slen = plen - 1;   /* (int)strlen(p) */
     if (ctx->i >= end) {
         ctx->i += delta;
     }
@@ -931,7 +951,7 @@ static void map_link(link_ctx *ctx)
 {
     if (ctx->link_start < ctx->link_end) {
         char buffer[HUGE_STRING_LEN];
-        int need_len, link_len, buffer_len, prepend_p_server; 
+        size_t need_len, link_len, buffer_len, prepend_p_server;
         const char *mapped;
         
         buffer[0] = '\0';
-- 
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