Skip to content

fix: Respecting connection timeout in WiFiClientSecure #5418

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 21, 2021
+50 −13
Merged

fix: Respecting connection timeout in WiFiClientSecure #5418

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
63 changes: 50 additions & 13 deletions libraries/WiFiClientSecure/src/ssl_client.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -76,30 +76,67 @@ int start_ssl_client(sslclient_context *ssl_client, const char *host, uint32_t p
return -1;
}

fcntl( ssl_client->socket, F_SETFL, fcntl( ssl_client->socket, F_GETFL, 0 ) | O_NONBLOCK );
struct sockaddr_in serv_addr;
memset(&serv_addr, 0, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = srv;
serv_addr.sin_port = htons(port);

if (lwip_connect(ssl_client->socket, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) == 0) {
if(timeout <= 0){
timeout = 30000; // Milli seconds.
}
timeval so_timeout = { .tv_sec = timeout / 1000, .tv_usec = (timeout % 1000) * 1000 };
if(timeout <= 0){
timeout = 30000; // Milli seconds.
}

#define ROE(x,msg) { if (((x)<0)) { log_e("LWIP Socket config of " msg " failed."); return -1; }}
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_RCVTIMEO, &so_timeout, sizeof(so_timeout)),"SO_RCVTIMEO");
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_SNDTIMEO, &so_timeout, sizeof(so_timeout)),"SO_SNDTIMEO");
fd_set fdset;
struct timeval tv;
FD_ZERO(&fdset);
FD_SET(ssl_client->socket, &fdset);
tv.tv_sec = timeout / 1000;
tv.tv_usec = (timeout % 1000) * 1000;

ROE(lwip_setsockopt(ssl_client->socket, IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(enable)),"TCP_NODELAY");
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_KEEPALIVE, &enable, sizeof(enable)),"SO_KEEPALIVE");
} else {
log_e("Connect to Server failed!");
int res = lwip_connect(ssl_client->socket, (struct sockaddr*)&serv_addr, sizeof(serv_addr));
if (res < 0 && errno != EINPROGRESS) {
log_e("connect on fd %d, errno: %d, \"%s\"", ssl_client->socket, errno, strerror(errno));
close(ssl_client->socket);
return -1;
}

fcntl( ssl_client->socket, F_SETFL, fcntl( ssl_client->socket, F_GETFL, 0 ) | O_NONBLOCK );
res = select(ssl_client->socket + 1, nullptr, &fdset, nullptr, timeout<0 ? nullptr : &tv);
if (res < 0) {
log_e("select on fd %d, errno: %d, \"%s\"", ssl_client->socket, errno, strerror(errno));
close(ssl_client->socket);
return -1;
} else if (res == 0) {
log_i("select returned due to timeout %d ms for fd %d", timeout, ssl_client->socket);
close(ssl_client->socket);
return -1;
} else {
int sockerr;
socklen_t len = (socklen_t)sizeof(int);
res = getsockopt(ssl_client->socket, SOL_SOCKET, SO_ERROR, &sockerr, &len);

if (res < 0) {
log_e("getsockopt on fd %d, errno: %d, \"%s\"", ssl_client->socket, errno, strerror(errno));
close(ssl_client->socket);
return -1;
}

if (sockerr != 0) {
log_e("socket error on fd %d, errno: %d, \"%s\"", ssl_client->socket, sockerr, strerror(sockerr));
close(ssl_client->socket);
return -1;
}
}


#define ROE(x,msg) { if (((x)<0)) { log_e("LWIP Socket config of " msg " failed."); return -1; }}
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)),"SO_RCVTIMEO");
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)),"SO_SNDTIMEO");

ROE(lwip_setsockopt(ssl_client->socket, IPPROTO_TCP, TCP_NODELAY, &enable, sizeof(enable)),"TCP_NODELAY");
ROE(lwip_setsockopt(ssl_client->socket, SOL_SOCKET, SO_KEEPALIVE, &enable, sizeof(enable)),"SO_KEEPALIVE");



log_v("Seeding the random number generator");
mbedtls_entropy_init(&ssl_client->entropy_ctx);
Expand Down