81 lines
2.7 KiB
Diff
81 lines
2.7 KiB
Diff
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From deca8039991886a559b67bcd6701db800a5cf764 Mon Sep 17 00:00:00 2001
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From: Stefan Eissing <stefan@eissing.org>
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Date: Wed, 6 Mar 2024 09:36:08 +0100
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Subject: [PATCH] http2: push headers better cleanup
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- provide common cleanup method for push headers
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Closes #13054
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---
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lib/http2.c | 34 +++++++++++++++-------------------
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1 file changed, 15 insertions(+), 19 deletions(-)
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diff --git a/lib/http2.c b/lib/http2.c
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index c63ecd38371ab4..96868728a53a1f 100644
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--- a/lib/http2.c
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+++ b/lib/http2.c
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@@ -271,6 +271,15 @@ static CURLcode http2_data_setup(struct Curl_cfilter *cf,
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return http2_perform_getsock(conn, sock, numsocks);
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}
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+static void free_push_headers(struct HTTP *http)
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+{
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+ size_t i;
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+ for(i = 0; i<http->push_headers_used; i++)
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+ free(http->push_headers[i]);
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+ Curl_safefree(http->push_headers);
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+ http->push_headers_used = 0;
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+}
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+
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/*
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* http2_stream_free() free HTTP2 stream related data
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*/
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@@ -306,11 +315,7 @@ static void http2_data_done(struct Curl_cfilter *cf,
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http->header_recvbuf = NULL; /* clear the pointer */
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Curl_add_buffer_free(http->trailer_recvbuf);
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http->trailer_recvbuf = NULL; /* clear the pointer */
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- for(; http->push_headers_used > 0; --http->push_headers_used) {
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- free(http->push_headers[http->push_headers_used - 1]);
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- }
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- free(http->push_headers);
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- http->push_headers = NULL;
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+ free_push_headers(http);
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}
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}
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@@ -860,7 +861,6 @@ static int push_promise(struct Curl_cfilter *cf,
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struct curl_pushheaders heads;
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CURLMcode rc;
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struct http_conn *httpc;
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- size_t i;
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/* clone the parent */
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struct Curl_easy *newhandle = duphandle(data);
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if(!newhandle) {
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@@ -904,11 +904,7 @@ static int push_promise(struct Curl_cfilter *cf,
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Curl_set_in_callback(data, false);
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/* free the headers again */
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- for(i = 0; i<stream->push_headers_used; i++)
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- free(stream->push_headers[i]);
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- free(stream->push_headers);
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- stream->push_headers = NULL;
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- stream->push_headers_used = 0;
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+ free_push_headers(stream);
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if(rv) {
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/* denied, kill off the new handle again */
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@@ -1426,10 +1422,10 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame,
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stream->push_headers_alloc) {
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char **headp;
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stream->push_headers_alloc *= 2;
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- headp = Curl_saferealloc(stream->push_headers,
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- stream->push_headers_alloc * sizeof(char *));
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+ headp = realloc(stream->push_headers,
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+ stream->push_headers_alloc * sizeof(char *));
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if(!headp) {
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- stream->push_headers = NULL;
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+ free_push_headers(stream);
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return NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE;
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}
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stream->push_headers = headp;
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