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sws: malloc request struct instead of using stack

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... 2MB requests is otherwise just too big for some systems.

(The allocations are not freed properly.)

Bug: https://curl.se/mail/lib-2021-06/0018.html

Closes #7235
This commit is contained in:
Christian Weisgerber 2021-06-10 17:11:34 +02:00 committed by Daniel Stenberg
parent d293bf4a78
commit 02dfe71937
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 24 additions and 17 deletions
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41
tests/server/sws.c
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@ -1441,9 +1441,14 @@ static void http_connect(curl_socket_t *infdp,
/* a new connection on listener socket (most likely from client) */
curl_socket_t datafd = accept(rootfd, NULL, NULL);
if(datafd != CURL_SOCKET_BAD) {
struct httprequest req2;
static struct httprequest *req2;
int err = 0;
memset(&req2, 0, sizeof(req2));
if(!req2) {
req2 = malloc(sizeof(*req2));
if(!req2)
exit(1);
}
memset(req2, 0, sizeof(*req2));
logmsg("====> Client connect DATA");
#ifdef TCP_NODELAY
if(socket_domain_is_ip()) {
@ -1454,9 +1459,9 @@ static void http_connect(curl_socket_t *infdp,
logmsg("====> TCP_NODELAY for client DATA connection failed");
}
#endif
init_httprequest(&req2);
while(!req2.done_processing) {
err = get_request(datafd, &req2);
init_httprequest(req2);
while(!req2->done_processing) {
err = get_request(datafd, req2);
if(err < 0) {
/* this socket must be closed, done or not */
break;
@ -1465,14 +1470,14 @@ static void http_connect(curl_socket_t *infdp,
/* skip this and close the socket if err < 0 */
if(err >= 0) {
err = send_doc(datafd, &req2);
if(!err && req2.connect_request) {
err = send_doc(datafd, req2);
if(!err && req2->connect_request) {
/* sleep to prevent triggering libcurl known bug #39. */
for(loop = 2; (loop > 0) && !got_exit_signal; loop--)
wait_ms(250);
if(!got_exit_signal) {
/* connect to the server */
serverfd[DATA] = connect_to(ipaddr, req2.connect_port);
serverfd[DATA] = connect_to(ipaddr, req2->connect_port);
if(serverfd[DATA] != CURL_SOCKET_BAD) {
/* secondary tunnel established, now we have two
connections */
@ -1871,7 +1876,7 @@ int main(int argc, char *argv[])
#endif
const char *pidname = ".http.pid";
const char *portname = ".http.port";
struct httprequest req;
struct httprequest *req;
int rc = 0;
int error;
int arg = 1;
@ -1884,7 +1889,9 @@ int main(int argc, char *argv[])
/* a default CONNECT port is basically pointless but still ... */
size_t socket_idx;
memset(&req, 0, sizeof(req));
req = calloc(1, sizeof(*req));
if(!req)
return 0;
while(argc>arg) {
if(!strcmp("--version", argv[arg])) {
@ -2199,7 +2206,7 @@ int main(int argc, char *argv[])
the pipelining struct field must be initialized previously to FALSE
every time a new connection arrives. */
init_httprequest(&req);
init_httprequest(req);
for(;;) {
fd_set input;
@ -2278,20 +2285,20 @@ int main(int argc, char *argv[])
/* Service this connection until it has nothing available */
do {
rc = service_connection(all_sockets[socket_idx], &req, sock,
rc = service_connection(all_sockets[socket_idx], req, sock,
connecthost);
if(got_exit_signal)
goto sws_cleanup;
if(rc < 0) {
logmsg("====> Client disconnect %d", req.connmon);
logmsg("====> Client disconnect %d", req->connmon);
if(req.connmon) {
if(req->connmon) {
const char *keepopen = "[DISCONNECT]\n";
storerequest(keepopen, strlen(keepopen));
}
if(!req.open)
if(!req->open)
/* When instructed to close connection after server-reply we
wait a very small amount of time before doing so. If this
is not done client might get an ECONNRESET before reading
@ -2307,13 +2314,13 @@ int main(int argc, char *argv[])
if(!serverlogslocked)
clear_advisor_read_lock(SERVERLOGS_LOCK);
if(req.testno == DOCNUMBER_QUIT)
if(req->testno == DOCNUMBER_QUIT)
goto sws_cleanup;
}
/* Reset the request, unless we're still in the middle of reading */
if(rc)
init_httprequest(&req);
init_httprequest(req);
} while(rc > 0);
}
}