2a64a1bac0
Signed-off-by: Sergio Correia <scorreia@redhat.com>
112 lines
3.6 KiB
Diff
112 lines
3.6 KiB
Diff
From 960b2036a97baded1b61b405e4fa99380f807ff9 Mon Sep 17 00:00:00 2001
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From: Sergio Correia <scorreia@redhat.com>
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Date: Mon, 12 Feb 2024 13:07:45 +0000
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Subject: [PATCH 2/2] Fix issue introduced in http-parser -> llhttp conversion
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http_parser_execute() returns the number of parsed bytes, while
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llhttp_execute() returns an error code.
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Signed-off-by: Sergio Correia <scorreia@redhat.com>
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---
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src/http.h | 6 ++----
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src/tangd.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
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2 files changed, 48 insertions(+), 6 deletions(-)
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diff --git a/src/http.h b/src/http.h
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index 2e35686..8d9de51 100644
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--- a/src/http.h
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+++ b/src/http.h
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@@ -30,10 +30,9 @@ typedef llhttp_status_t http_status_t;
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typedef llhttp_settings_t http_settings_t;
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typedef llhttp_t http_parser_t;
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#define tang_http_parser_init(parser, settings) llhttp_init(parser, HTTP_REQUEST, settings)
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-#define tang_http_parser_execute(parser, settings, req, rcvd) llhttp_execute(parser, req, rcvd)
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#define tang_http_parser_errno(parser) parser.error
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#define tang_http_errno_description(parser, errno) llhttp_get_error_reason(parser)
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-
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+#define tang_http_parser_resume(parser) llhttp_resume(parser)
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#else
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/* Legacy http-parser. */
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#include <http_parser.h>
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@@ -44,10 +43,9 @@ typedef http_parser_settings http_settings_t;
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typedef struct http_parser http_parser_t;
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#define tang_http_parser_init(parser, settings) http_parser_init(parser, HTTP_REQUEST)
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-#define tang_http_parser_execute(parser, settings, req, rcvd) http_parser_execute(parser, settings, req, rcvd)
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#define tang_http_parser_errno(parser) parser.http_errno
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#define tang_http_errno_description(parser, errno) http_errno_description(errno)
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-
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+#define tang_http_parser_resume(parser) http_parser_pause(parser, 0)
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#endif /* USE_LLHTTP */
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struct http_dispatch {
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diff --git a/src/tangd.c b/src/tangd.c
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index 7f197f6..ab7f0cf 100644
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--- a/src/tangd.c
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+++ b/src/tangd.c
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@@ -193,6 +193,44 @@ static struct http_dispatch dispatch[] = {
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#define DEFAULT_PORT 9090
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+static size_t
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+tang_http_parser_execute(http_parser_t *parser, const char* data, size_t len)
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+{
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+#ifdef USE_LLHTTP
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+ llhttp_errno_t error;
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+ size_t parsed_len;
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+
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+ /*
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+ * Unlike http_parser, which returns the number of parsed
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+ * bytes in the _execute() call, llhttp returns an error
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+ * code.
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+ */
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+
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+ if (data == NULL || len == 0) {
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+ error = llhttp_finish(parser);
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+ } else {
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+ error = llhttp_execute(parser, data, len);
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+ }
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+
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+ parsed_len = len;
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+ /*
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+ * Adjust number of parsed bytes in case of error.
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+ */
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+ if (error != HPE_OK) {
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+ parsed_len = llhttp_get_error_pos(parser) - data;
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+
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+ /* This isn't a real pause, just a way to stop parsing early. */
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+ if (error == HPE_PAUSED_UPGRADE) {
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+ llhttp_resume_after_upgrade(parser);
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+ }
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+ }
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+
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+ return parsed_len;
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+#else
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+ return http_parser_execute(parser, &http_settings, data, len);
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+#endif
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+}
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+
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static int
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process_request(const char *jwkdir, int in_fileno)
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{
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@@ -225,8 +263,14 @@ process_request(const char *jwkdir, int in_fileno)
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rcvd += r;
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- r = tang_http_parser_execute(&parser, &http_settings, req, rcvd);
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- if (tang_http_parser_errno(parser) != 0) {
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+ r = tang_http_parser_execute(&parser, req, rcvd);
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+ switch (tang_http_parser_errno(parser)) {
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+ case HPE_OK:
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+ break;
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+ case HPE_PAUSED:
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+ tang_http_parser_resume(&parser);
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+ break;
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+ default:
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fprintf(stderr, "HTTP Parsing Error: %s\n",
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tang_http_errno_description(&parser, tang_http_parser_errno(parser)));
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return EXIT_SUCCESS;
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--
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2.43.0
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