/* this shows how to override the lws file operations. You don't need
* to do any of this unless you have a reason (eg, want to serve
* compressed files without decompressing the whole archive)
*/
static lws_filefd_type
test_server_fops_open(struct lws *wsi, const char *filename,
unsigned long *filelen, int flags)
{
lws_filefd_type n;
/* call through to original platform implementation */
n = fops_plat.open(wsi, filename, filelen, flags);
lwsl_notice("%s: opening %s, ret %ld, len %lu\n", __func__, filename,
(long)n, *filelen);
return n;
}
int
lws_tls_vhost_cert_info(struct lws_vhost *vhost, enum lws_tls_cert_info type,
union lws_tls_cert_info_results *buf, size_t len)
{
#if defined(LWS_HAVE_SSL_CTX_get0_certificate)
X509 *x509 = SSL_CTX_get0_certificate(vhost->tls.ssl_ctx);
return lws_tls_openssl_cert_info(x509, type, buf, len);
#else
lwsl_notice("openssl is too old to support %s\n", __func__);
return -1;
#endif
}
LWS_VISIBLE int
lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len)
{
int n, m;
if (!wsi->ssl)
return lws_ssl_capable_write_no_ssl(wsi, buf, len);
n = SSL_write(wsi->ssl, buf, len);
if (n > 0)
return n;
m = lws_ssl_get_error(wsi, n);
if (m != SSL_ERROR_SYSCALL) {
if (SSL_want_read(wsi->ssl)) {
lwsl_notice("%s: want read\n", __func__);
return LWS_SSL_CAPABLE_MORE_SERVICE;
}
if (SSL_want_write(wsi->ssl)) {
lws_set_blocking_send(wsi);
lwsl_notice("%s: want write\n", __func__);
return LWS_SSL_CAPABLE_MORE_SERVICE;
}
}
lwsl_debug("%s failed: %s\n",__func__, ERR_error_string(m, NULL));
lws_ssl_elaborate_error();
wsi->socket_is_permanently_unusable = 1;
return LWS_SSL_CAPABLE_ERROR;
}
size_t
get_gen_server_key_25519(struct per_session_data__sshd *pss, uint8_t *b,
size_t len)
{
size_t s, mylen;
mylen = pss->vhd->ops->get_server_key(b, len);
if (mylen)
return mylen;
/* create one then */
lwsl_notice("Generating server hostkey\n");
s = lws_gen_server_key_ed25519(pss->vhd->context, b, len);
lwsl_notice(" gen key len %ld\n", (long)s);
if (!s)
return 0;
/* set the key */
if (!pss->vhd->ops->set_server_key(b, s))
return 0;
/* new key stored OK */
return s;
}
static void
lwsgs_email_on_connect(uv_connect_t *req, int status)
{
struct lws_email *email = (struct lws_email *)req->data;
lwsl_notice("%s\n", __func__);
if (status == -1) {
lwsl_err("%s: failed\n", __func__);
return;
}
uv_read_start(req->handle, alloc_buffer, lwsgs_email_read);
email->estate = LGSSMTP_CONNECTED;
}
static int
lws_context_ssl_init_ecdh_curve(struct lws_context_creation_info *info,
struct lws_vhost *vhost)
{
#if defined(LWS_HAVE_OPENSSL_ECDH_H) && !defined(LWS_WITH_MBEDTLS)
EC_KEY *ecdh;
int ecdh_nid;
const char *ecdh_curve = "prime256v1";
if (info->ecdh_curve)
ecdh_curve = info->ecdh_curve;
ecdh_nid = OBJ_sn2nid(ecdh_curve);
if (NID_undef == ecdh_nid) {
lwsl_err("SSL: Unknown curve name '%s'", ecdh_curve);
return 1;
}
ecdh = EC_KEY_new_by_curve_name(ecdh_nid);
if (NULL == ecdh) {
lwsl_err("SSL: Unable to create curve '%s'", ecdh_curve);
return 1;
}
SSL_CTX_set_tmp_ecdh(vhost->ssl_ctx, ecdh);
EC_KEY_free(ecdh);
SSL_CTX_set_options(vhost->ssl_ctx, SSL_OP_SINGLE_ECDH_USE);
lwsl_notice(" SSL ECDH curve '%s'\n", ecdh_curve);
#else
#if !defined(LWS_WITH_MBEDTLS)
lwsl_notice(" OpenSSL doesn't support ECDH\n");
#endif
#endif
return 0;
}
void signal_cb(struct ev_loop *loop, struct ev_signal* watcher, int revents)
{
lwsl_notice("Signal caught, exiting...\n");
force_exit = 1;
switch (watcher->signum) {
case SIGTERM:
case SIGINT:
ev_break(loop, EVBREAK_ALL);
break;
default:
signal(SIGABRT, SIG_DFL);
abort();
break;
}
}
static void
signal_cb(int signum)
{
lwsl_notice("Signal %d caught, exiting...\n", signum);
switch (signum) {
case SIGTERM:
case SIGINT:
break;
default:
break;
}
lws_context_destroy(context);
}
int
lws_ws_handshake_client(struct lws *wsi, unsigned char **buf, size_t len)
{
if ((lwsi_state(wsi) != LRS_WAITING_PROXY_REPLY) &&
(lwsi_state(wsi) != LRS_H1C_ISSUE_HANDSHAKE) &&
(lwsi_state(wsi) != LRS_WAITING_SERVER_REPLY) &&
!lwsi_role_client(wsi))
return 0;
// lwsl_notice("%s: hs client gets %d in\n", __func__, (int)len);
while (len) {
/*
* we were accepting input but now we stopped doing so
*/
if (lws_is_flowcontrolled(wsi)) {
//lwsl_notice("%s: caching %ld\n", __func__, (long)len);
lws_rxflow_cache(wsi, *buf, 0, (int)len);
*buf += len;
return 0;
}
#if !defined(LWS_WITHOUT_EXTENSIONS)
if (wsi->ws->rx_draining_ext) {
int m;
//lwsl_notice("%s: draining ext\n", __func__);
if (lwsi_role_client(wsi))
m = lws_ws_client_rx_sm(wsi, 0);
else
m = lws_ws_rx_sm(wsi, 0, 0);
if (m < 0)
return -1;
continue;
}
#endif
/* caller will account for buflist usage */
if (lws_ws_client_rx_sm(wsi, *(*buf)++)) {
lwsl_notice("%s: client_rx_sm exited, DROPPING %d\n",
__func__, (int)len);
return -1;
}
len--;
}
// lwsl_notice("%s: finished with %ld\n", __func__, (long)len);
return 0;
}
LWS_VISIBLE void
lws_server_get_canonical_hostname(struct lws_context *context,
struct lws_context_creation_info *info)
{
if (info->options & LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME)
return;
#if LWS_POSIX
/* find canonical hostname */
gethostname((char *)context->canonical_hostname,
sizeof(context->canonical_hostname) - 1);
lwsl_notice(" canonical_hostname = %s\n", context->canonical_hostname);
#else
(void)context;
#endif
}
enum lws_ssl_capable_status
lws_tls_server_accept(struct lws *wsi)
{
union lws_tls_cert_info_results ir;
int m, n = SSL_accept(wsi->ssl);
if (n == 1) {
n = lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_COMMON_NAME, &ir,
sizeof(ir.ns.name));
if (!n)
lwsl_notice("%s: client cert CN '%s'\n",
__func__, ir.ns.name);
else
lwsl_info("%s: couldn't get client cert CN\n", __func__);
return LWS_SSL_CAPABLE_DONE;
}
m = SSL_get_error(wsi->ssl, n);
// mbedtls wrapper only
if (m == SSL_ERROR_SYSCALL && errno == 11)
return LWS_SSL_CAPABLE_MORE_SERVICE_READ;
if (m == SSL_ERROR_SYSCALL || m == SSL_ERROR_SSL)
return LWS_SSL_CAPABLE_ERROR;
if (m == SSL_ERROR_WANT_READ || SSL_want_read(wsi->ssl)) {
if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) {
lwsl_info("%s: WANT_READ change_pollfd failed\n", __func__);
return LWS_SSL_CAPABLE_ERROR;
}
lwsl_info("SSL_ERROR_WANT_READ\n");
return LWS_SSL_CAPABLE_MORE_SERVICE_READ;
}
if (m == SSL_ERROR_WANT_WRITE || SSL_want_write(wsi->ssl)) {
lwsl_debug("%s: WANT_WRITE\n", __func__);
if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) {
lwsl_info("%s: WANT_WRITE change_pollfd failed\n", __func__);
return LWS_SSL_CAPABLE_ERROR;
}
return LWS_SSL_CAPABLE_MORE_SERVICE_WRITE;
}
return LWS_SSL_CAPABLE_ERROR;
}
LWS_VISIBLE void
lws_plat_delete_socket_from_fds(struct lws_context *context,
struct lws *wsi, int m)
{
struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
int n;
for (n = 0; n < wsi->context->max_fds; n++)
if (wsi->context->connpool[n] == wsi->desc.sockfd) {
wsi->context->connpool[n] = NULL;
wsi->context->connpool[n + wsi->context->max_fds] = NULL;
lwsl_notice(" freed connpool %d\n", n);
}
wsi->desc.sockfd->reverse = NULL;
pt->fds_count--;
}
LWS_VISIBLE int
lws_plat_init(struct lws_context *context,
struct lws_context_creation_info *info)
{
context->lws_lookup = lws_zalloc(sizeof(struct lws *) * context->max_fds);
if (context->lws_lookup == NULL) {
lwsl_err(
"Unable to allocate lws_lookup array for %d connections\n",
context->max_fds);
return 1;
}
lwsl_notice(" mem: platform fd map: %5u bytes\n",
sizeof(struct lws *) * context->max_fds);
context->fd_random = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
if (context->fd_random < 0) {
lwsl_err("Unable to open random device %s %d\n",
SYSTEM_RANDOM_FILEPATH, context->fd_random);
return 1;
}
if (!lws_libev_init_fd_table(context)) {
/* otherwise libev handled it instead */
if (pipe(context->dummy_pipe_fds)) {
lwsl_err("Unable to create pipe\n");
return 1;
}
}
/* use the read end of pipe as first item */
context->fds[0].fd = context->dummy_pipe_fds[0];
context->fds[0].events = LWS_POLLIN;
context->fds[0].revents = 0;
context->fds_count = 1;
context->fops.open = _lws_plat_file_open;
context->fops.close = _lws_plat_file_close;
context->fops.seek_cur = _lws_plat_file_seek_cur;
context->fops.read = _lws_plat_file_read;
context->fops.write = _lws_plat_file_write;
return 0;
}
int
lws_service_timeout_check(struct lws *wsi, unsigned int sec)
{
struct lws_context_per_thread *pt = &wsi->context->pt[(int)wsi->tsi];
/*
* if extensions want in on it (eg, we are a mux parent)
* give them a chance to service child timeouts
*/
if (lws_ext_cb_active(wsi, LWS_EXT_CB_1HZ, NULL, sec) < 0)
return 0;
if (!wsi->pending_timeout)
return 0;
/*
* if we went beyond the allowed time, kill the
* connection
*/
if ((time_t)sec > wsi->pending_timeout_limit) {
#if LWS_POSIX
/* no need to log normal idle keepalive timeout */
if (wsi->pending_timeout != PENDING_TIMEOUT_HTTP_KEEPALIVE_IDLE)
lwsl_notice("wsi %p: TIMEDOUT WAITING on %d (did hdr %d, ah %p, wl %d, pfd events %d)\n",
(void *)wsi, wsi->pending_timeout,
wsi->hdr_parsing_completed, wsi->u.hdr.ah,
pt->ah_wait_list_length,
pt->fds[wsi->sock].events);
#endif
/*
* Since he failed a timeout, he already had a chance to do
* something and was unable to... that includes situations like
* half closed connections. So process this "failed timeout"
* close as a violent death and don't try to do protocol
* cleanup like flush partials.
*/
wsi->socket_is_permanently_unusable = 1;
lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS);
return 1;
}
return 0;
}
//==============================================================================
// WsInput
//------------------------------------------------------------------------------
void WsInput::wsConnect(WsInput* wsinput) {
libwebsocket_context *context;
lws_context_creation_info info;
int debug_level = 7;
memset(&info,0,sizeof info);
info.port = 7681;
lws_set_log_level(debug_level,da);
lwsl_notice("libwebsockets chat server -\n");
libwebsocket_protocols protocols[] = {
{
"input",
WsInput::wsCallBackData,
0,
128
},
{NULL,NULL,0,0} /* terminator */
};
info.iface = nullptr;
info.protocols = protocols;
info.ssl_cert_filepath = nullptr;
info.ssl_private_key_filepath = nullptr;
info.gid = -1;
info.uid = -1;
info.options = 0;
info.user = nullptr;
context = libwebsocket_create_context(&info);
for(;;) {
int n = libwebsocket_service(context,10);
if(n >= 0 && wsinput->_isend) {
break;
}
}
libwebsocket_context_destroy(context);
wsinput->_isend = false;
}
static int
lws_mbedtls_sni_cb(void *arg, mbedtls_ssl_context *mbedtls_ctx,
const unsigned char *servername, size_t len)
{
SSL *ssl = SSL_SSL_from_mbedtls_ssl_context(mbedtls_ctx);
struct lws_context *context = (struct lws_context *)arg;
struct lws_vhost *vhost, *vh;
lwsl_notice("%s: %s\n", __func__, servername);
/*
* We can only get ssl accepted connections by using a vhost's ssl_ctx
* find out which listening one took us and only match vhosts on the
* same port.
*/
vh = context->vhost_list;
while (vh) {
if (!vh->being_destroyed &&
vh->ssl_ctx == SSL_get_SSL_CTX(ssl))
break;
vh = vh->vhost_next;
}
if (!vh) {
assert(vh); /* can't match the incoming vh? */
return 0;
}
vhost = lws_select_vhost(context, vh->listen_port,
(const char *)servername);
if (!vhost) {
lwsl_info("SNI: none: %s:%d\n", servername, vh->listen_port);
return 0;
}
lwsl_info("SNI: Found: %s:%d at vhost '%s'\n", servername,
vh->listen_port, vhost->name);
/* select the ssl ctx from the selected vhost for this conn */
SSL_set_SSL_CTX(ssl, vhost->ssl_ctx);
return 0;
}
int
lws_tls_server_vhost_backend_init(struct lws_context_creation_info *info,
struct lws_vhost *vhost, struct lws *wsi)
{
const SSL_METHOD *method = TLS_server_method();
uint8_t *p;
lws_filepos_t flen;
vhost->ssl_ctx = SSL_CTX_new(method); /* create context */
if (!vhost->ssl_ctx) {
lwsl_err("problem creating ssl context\n");
return 1;
}
if (!vhost->use_ssl || !info->ssl_cert_filepath)
return 0;
if (info->ssl_ca_filepath) {
lwsl_notice("%s: vh %s: loading CA filepath %s\n", __func__,
vhost->name, info->ssl_ca_filepath);
if (lws_tls_alloc_pem_to_der_file(vhost->context,
info->ssl_ca_filepath, NULL, 0, &p, &flen)) {
lwsl_err("couldn't find client CA file %s\n",
info->ssl_ca_filepath);
return 1;
}
if (SSL_CTX_add_client_CA_ASN1(vhost->ssl_ctx, (int)flen, p) != 1) {
lwsl_err("%s: SSL_CTX_add_client_CA_ASN1 unhappy\n",
__func__);
free(p);
return 1;
}
free(p);
}
return lws_tls_server_certs_load(vhost, wsi,
info->ssl_cert_filepath,
info->ssl_private_key_filepath,
NULL, 0, NULL, 0);
}
int ws_start(short port){
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
info.port = port;
lwsl_notice("libwebsockets test server - "
"(C) Copyright 2010-2013 Andy Green <*****@*****.**> - "
"licensed under LGPL2.1\n");
info.protocols = protocols;
info.extensions = libwebsocket_get_internal_extensions();
/*this is critical. otherwise UTF-8 error in client.*/
info.gid = -1;
info.uid = -1;
info.ka_time=100;
context = libwebsocket_create_context(&info);
if (!context){
lwsl_err("libwebsocket init failed\n");
return -1;
}
return 0;
}
LWS_VISIBLE void
lws_plat_drop_app_privileges(struct lws_context_creation_info *info)
{
if (info->gid != -1)
if (setgid(info->gid))
lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO));
if (info->uid != -1) {
struct passwd *p = getpwuid(info->uid);
if (p) {
initgroups(p->pw_name, info->gid);
if (setuid(info->uid))
lwsl_warn("setuid: %s\n", strerror(LWS_ERRNO));
else
lwsl_notice("Set privs to user '%s'\n", p->pw_name);
} else
lwsl_warn("getpwuid: unable to find uid %d", info->uid);
}
}
LWS_VISIBLE int
lws_plat_plugins_destroy(struct lws_context * context)
{
struct lws_plugin *plugin = context->plugin_list, *p;
lws_plugin_destroy_func func;
char path[256];
void *v;
int m;
if (!plugin)
return 0;
lwsl_notice("%s\n", __func__);
while (plugin) {
p = plugin;
m = snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + 3);
path[m - 3] = '\0';
if (uv_dlsym(&plugin->lib, path, &v)) {
uv_dlerror(&plugin->lib);
lwsl_err("Failed to get init on %s: %s",
plugin->name, plugin->lib.errmsg);
} else {
func = (lws_plugin_destroy_func)v;
m = func(context);
if (m)
lwsl_err("Destroying %s failed %d\n",
plugin->name, m);
}
uv_dlclose(&p->lib);
plugin = p->list;
p->list = NULL;
free(p);
}
context->plugin_list = NULL;
return 0;
}
/*
* Notice: trashes i and url
*/
static struct lws *
lws_acme_client_connect(struct lws_context *context, struct lws_vhost *vh,
struct lws **pwsi, struct lws_client_connect_info *i,
char *url, const char *method)
{
const char *prot, *p;
char path[200], _url[256];
struct lws *wsi;
memset(i, 0, sizeof(*i));
i->port = 443;
lws_strncpy(_url, url, sizeof(_url));
if (lws_parse_uri(_url, &prot, &i->address, &i->port, &p)) {
lwsl_err("unable to parse uri %s\n", url);
return NULL;
}
/* add back the leading / on path */
path[0] = '/';
lws_strncpy(path + 1, p, sizeof(path) - 1);
i->path = path;
i->context = context;
i->vhost = vh;
i->ssl_connection = 1;
i->host = i->address;
i->origin = i->address;
i->method = method;
i->pwsi = pwsi;
i->protocol = "lws-acme-client";
wsi = lws_client_connect_via_info(i);
if (!wsi) {
lws_snprintf(path, sizeof(path) - 1,
"Unable to connect to %s", url);
lwsl_notice("%s: %s\n", __func__, path);
lws_acme_report_status(vh, LWS_CUS_FAILED, path);
}
return wsi;
}
static void *_realloc(void *ptr, size_t size, const char *reason)
{
if (size) {
#if defined(LWS_WITH_ESP32)
lwsl_notice("%s: size %lu: %s\n", __func__,
(unsigned long)size, reason);
#else
lwsl_debug("%s: size %lu: %s\n", __func__,
(unsigned long)size, reason);
#endif
#if defined(LWS_PLAT_OPTEE)
return (void *)TEE_Realloc(ptr, size);
#else
return (void *)realloc(ptr, size);
#endif
}
if (ptr)
free(ptr);
return NULL;
}
LWS_VISIBLE int
lws_plat_change_pollfd(struct lws_context *context,
struct lws *wsi, struct lws_pollfd *pfd)
{
void *p;
//lwsl_notice("%s: %p: wsi->pift=%d, events %d\n",
// __func__, wsi, wsi->position_in_fds_table, pfd->events);
if (pfd->events & LWS_POLLIN) {
if (wsi->premature_rx) {
lwsl_notice("replaying buffered rx: wsi %p\n", wsi);
p = wsi->premature_rx;
wsi->premature_rx = NULL;
esp8266_cb_rx(wsi->desc.sockfd,
(char *)p + wsi->prem_rx_pos,
wsi->prem_rx_size - wsi->prem_rx_pos);
wsi->prem_rx_size = 0;
wsi->prem_rx_pos = 0;
lws_free(p);
}
if (espconn_recv_unhold(wsi->desc.sockfd) < 0)
return -1;
} else
if (espconn_recv_hold(wsi->desc.sockfd) < 0)
return -1;
if (!(pfd->events & LWS_POLLOUT))
return 0;
if (!wsi->pending_send_completion) {
pfd->revents |= LWS_POLLOUT;
// lwsl_notice("doing POLLOUT\n");
lws_service_fd(lws_get_context(wsi), pfd);
} //else
//lwsl_notice("pending sc\n");
return 0;
}
signed char
lws_struct_schema_only_lejp_cb(struct lejp_ctx *ctx, char reason)
{
lws_struct_args_t *a = (lws_struct_args_t *)ctx->user;
const lws_struct_map_t *map = a->map_st[ctx->pst_sp];
int n = a->map_entries_st[ctx->pst_sp];
lejp_callback cb = map->lejp_cb;
if (reason != LEJPCB_VAL_STR_END || ctx->path_match != 1)
return 0;
while (n--) {
if (strcmp(ctx->buf, map->colname)) {
map++;
continue;
}
a->dest = lwsac_use_zero(&a->ac, map->aux, a->ac_block_size);
if (!a->dest) {
lwsl_err("%s: OOT\n", __func__);
return 1;
}
a->dest_len = map->aux;
if (!cb)
cb = lws_struct_default_lejp_cb;
lejp_parser_push(ctx, a->dest, &map->child_map[0].colname,
(uint8_t)map->child_map_size, cb);
a->map_st[ctx->pst_sp] = map->child_map;
a->map_entries_st[ctx->pst_sp] = map->child_map_size;
return 0;
}
lwsl_notice("%s: unknown schema %s\n", __func__, ctx->buf);
return 1;
}
int
lws_context_init_ssl_library(struct lws_context_creation_info *info)
{
#ifdef USE_WOLFSSL
#ifdef USE_OLD_CYASSL
lwsl_notice(" Compiled with CyaSSL support\n");
#else
lwsl_notice(" Compiled with wolfSSL support\n");
#endif
#else
#if defined(LWS_USE_POLARSSL)
lwsl_notice(" Compiled with PolarSSL support\n");
#else
#if defined(LWS_USE_MBEDTLS)
lwsl_notice(" Compiled with mbedTLS support\n");
#else
lwsl_notice(" Compiled with OpenSSL support\n");
#endif
#endif
#endif
if (!lws_check_opt(info->options, LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT)) {
lwsl_notice(" SSL disabled: no LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT\n");
return 0;
}
/* basic openssl init */
#if defined(LWS_USE_POLARSSL)
#else
#if defined(LWS_USE_MBEDTLS)
#else
SSL_library_init();
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
openssl_websocket_private_data_index =
SSL_get_ex_new_index(0, "lws", NULL, NULL, NULL);
openssl_SSL_CTX_private_data_index = SSL_CTX_get_ex_new_index(0,
NULL, NULL, NULL, NULL);
#endif
#endif
return 0;
}
int
lws_create_client_ws_object(const struct lws_client_connect_info *i,
struct lws *wsi)
{
int v = SPEC_LATEST_SUPPORTED;
/* allocate the ws struct for the wsi */
wsi->ws = lws_zalloc(sizeof(*wsi->ws), "client ws struct");
if (!wsi->ws) {
lwsl_notice("OOM\n");
return 1;
}
/* -1 means just use latest supported */
if (i->ietf_version_or_minus_one != -1 &&
i->ietf_version_or_minus_one)
v = i->ietf_version_or_minus_one;
wsi->ws->ietf_spec_revision = v;
return 0;
}
/**
* lws_client_reset() - retarget a connected wsi to start over with a new connection (ie, redirect)
* this only works if still in HTTP, ie, not upgraded yet
* wsi: connection to reset
* address: network address of the new server
* port: port to connect to
* path: uri path to connect to on the new server
* host: host header to send to the new server
*/
LWS_VISIBLE struct lws *
lws_client_reset(struct lws *wsi, int ssl, const char *address, int port, const char *path, const char *host)
{
if (wsi->u.hdr.redirects == 3) {
lwsl_err("%s: Too many redirects\n", __func__);
return NULL;
}
wsi->u.hdr.redirects++;
#ifdef LWS_OPENSSL_SUPPORT
wsi->use_ssl = ssl;
#else
if (ssl) {
lwsl_err("%s: not configured for ssl\n", __func__);
return NULL;
}
#endif
lwsl_notice("redirect ads='%s', port=%d, path='%s'\n", address, port, path);
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS, address))
return NULL;
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_URI, path))
return NULL;
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_HOST, host))
return NULL;
compatible_close(wsi->sock);
remove_wsi_socket_from_fds(wsi);
wsi->sock = LWS_SOCK_INVALID;
wsi->state = LWSS_CLIENT_UNCONNECTED;
wsi->protocol = NULL;
wsi->pending_timeout = NO_PENDING_TIMEOUT;
wsi->u.hdr.ah->c_port = port;
return lws_client_connect_2(wsi);
}
static int
file_upload_cb(void *data, const char *name, const char *filename,
char *buf, int len, enum lws_urldecode_fileupload_states state)
{
struct per_session_data__post_demo *pss =
(struct per_session_data__post_demo *)data;
int n;
switch (state) {
case LWS_UFS_OPEN:
strncpy(pss->filename, filename, sizeof(pss->filename) - 1);
/* we get the original filename in @filename arg, but for
* simple demo use a fixed name so we don't have to deal with
* attacks */
pss->fd = open("/tmp/post-file",
O_CREAT | O_TRUNC | O_RDWR, 0600);
break;
case LWS_UFS_FINAL_CONTENT:
case LWS_UFS_CONTENT:
if (len) {
pss->file_length += len;
/* if the file length is too big, drop it */
if (pss->file_length > 100000)
return 1;
n = write(pss->fd, buf, len);
lwsl_notice("%s: write %d says %d\n", __func__, len, n);
}
if (state == LWS_UFS_CONTENT)
break;
close(pss->fd);
pss->fd = LWS_INVALID_FILE;
break;
}
return 0;
}
LWS_VISIBLE int
lws_plat_plugins_destroy(struct lws_context * context)
{
struct lws_plugin *plugin = context->plugin_list, *p;
lws_plugin_destroy_func func;
char path[256];
int m;
if (!plugin)
return 0;
lwsl_notice("%s\n", __func__);
while (plugin) {
p = plugin;
m = lws_snprintf(path, sizeof(path) - 1, "destroy_%s", plugin->name + 3);
path[m - 3] = '\0';
func = dlsym(plugin->l, path);
if (!func) {
lwsl_err("Failed to get destroy on %s: %s",
plugin->name, dlerror());
goto next;
}
m = func(context);
if (m)
lwsl_err("Initializing %s failed %d\n",
plugin->name, m);
next:
dlclose(p->l);
plugin = p->list;
p->list = NULL;
free(p);
}
context->plugin_list = NULL;
return 0;
}
static void *
_realloc(void *ptr, size_t size, const char *reason)
{
void *v;
if (size) {
#if defined(LWS_WITH_ESP32)
lwsl_notice("%s: size %lu: %s (free heap %d)\n", __func__,
(unsigned long)size, reason, (unsigned int)esp_get_free_heap_size() - (int)size);
#else
lwsl_debug("%s: size %lu: %s\n", __func__,
(unsigned long)size, reason);
#endif
#if defined(LWS_HAVE_MALLOC_USABLE_SIZE)
if (ptr)
allocated -= malloc_usable_size(ptr);
#endif
#if defined(LWS_PLAT_OPTEE)
v = (void *)TEE_Realloc(ptr, size);
#else
v = (void *)realloc(ptr, size);
#endif
#if defined(LWS_HAVE_MALLOC_USABLE_SIZE)
allocated += malloc_usable_size(v);
#endif
return v;
}
if (ptr) {
#if defined(LWS_HAVE_MALLOC_USABLE_SIZE)
allocated -= malloc_usable_size(ptr);
#endif
free(ptr);
}
return NULL;
}
