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Fix #2592: do not close pipelined connection prematurely

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This commit is contained in:
Sergey Lyubka 2024-02-11 09:03:55 +00:00
parent c8d45c9ff1
commit 2419f02766
3 changed files with 34 additions and 11 deletions
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8
mongoose.c
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@ -3216,8 +3216,12 @@ static void http_cb(struct mg_connection *c, int ev, void *ev_data) {
struct mg_str *te; // Transfer - encoding header
bool is_chunked = false;
if (n < 0) {
mg_error(c, "HTTP parse, %lu bytes", c->recv.len);
mg_hexdump(c->recv.buf, c->recv.len > 16 ? 16 : c->recv.len);
// We don't use mg_error() here, to avoid closing pipelined requests
// prematurely, see #2592
MG_ERROR(("HTTP parse, %lu bytes", c->recv.len));
c->is_draining = 1;
mg_hexdump(buf, c->recv.len - ofs > 16 ? 16 : c->recv.len - ofs);
c->recv.len = 0;
return;
}
if (n == 0) break; // Request is not buffered yet

8
src/http.c
View File

@ -996,8 +996,12 @@ static void http_cb(struct mg_connection *c, int ev, void *ev_data) {
struct mg_str *te; // Transfer - encoding header
bool is_chunked = false;
if (n < 0) {
mg_error(c, "HTTP parse, %lu bytes", c->recv.len);
mg_hexdump(c->recv.buf, c->recv.len > 16 ? 16 : c->recv.len);
// We don't use mg_error() here, to avoid closing pipelined requests
// prematurely, see #2592
MG_ERROR(("HTTP parse, %lu bytes", c->recv.len));
c->is_draining = 1;
mg_hexdump(buf, c->recv.len - ofs > 16 ? 16 : c->recv.len - ofs);
c->recv.len = 0;
return;
}
if (n == 0) break; // Request is not buffered yet

21
test/unit_test.c
View File

@ -1376,18 +1376,33 @@ static void f5(struct mg_connection *c, int ev, void *ev_data) {
}
}
static void f6(struct mg_connection *c, int ev, void *ev_data) {
if (ev == MG_EV_HTTP_MSG) {
(*(int *) c->fn_data)++;
(void) ev_data;
}
}
static void test_http_pipeline(void) {
struct mg_mgr mgr;
const char *url = "http://127.0.0.1:12377";
struct mg_connection *c;
int i, ok = 0;
int i, ok = 0, ok2 = 0;
mg_mgr_init(&mgr);
mg_http_listen(&mgr, url, f5, (void *) &ok);
c = mg_http_connect(&mgr, url, NULL, NULL);
c = mg_http_connect(&mgr, url, f6, &ok2);
mg_printf(c, "POST / HTTP/1.0\nContent-Length: 5\n\n12345GET / HTTP/1.0\n\n");
for (i = 0; i < 20; i++) mg_mgr_poll(&mgr, 1);
// MG_INFO(("-----> [%d]", ok));
ASSERT(ok == 2);
ASSERT(ok2 == 2);
// Fire a valid, then invalid request, see #2592. First one should serve
ok = ok2 = 0;
c = mg_http_connect(&mgr, url, f6, (void *) &ok2);
mg_printf(c, "GET / HTTP/1.1\n\nInvalid\n\n");
for (i = 0; i < 20; i++) mg_mgr_poll(&mgr, 1);
ASSERT(ok == 1);
ASSERT(ok2 == 1);
//MG_INFO(("-----> [%d] [%d]", ok, ok2));
mg_mgr_free(&mgr);
ASSERT(mgr.conns == NULL);
}