mirror of
https://github.com/warmcat/libwebsockets.git
synced 2025-03-16 00:00:07 +01:00
refactor migrate client and server specific context init into client.c and server.c
Eliminate some NO_CLIENT and NO_SERVER Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green
parent
34f3dd2082
commit
e38031a394
4 changed files with 244 additions and 225 deletions
113
lib/client.c
113
lib/client.c
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@ -21,6 +21,119 @@
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#include "private-libwebsockets.h"
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int lws_context_init_client(struct lws_context_creation_info *info,
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struct libwebsocket_context *context)
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{
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int error;
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int n;
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#ifdef LWS_OPENSSL_SUPPORT
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SSL_METHOD *method;
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#endif
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/* client context */
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if (info->port != CONTEXT_PORT_NO_LISTEN)
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return 0;
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method = (SSL_METHOD *)SSLv23_client_method();
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if (!method) {
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error = ERR_get_error();
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lwsl_err("problem creating ssl method %lu: %s\n",
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error, ERR_error_string(error,
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(char *)context->service_buffer));
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return 1;
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}
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/* create context */
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context->ssl_client_ctx = SSL_CTX_new(method);
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if (!context->ssl_client_ctx) {
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error = ERR_get_error();
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lwsl_err("problem creating ssl context %lu: %s\n",
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error, ERR_error_string(error,
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(char *)context->service_buffer));
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return 1;
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}
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#ifdef SSL_OP_NO_COMPRESSION
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SSL_CTX_set_options(context->ssl_client_ctx,
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SSL_OP_NO_COMPRESSION);
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#endif
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SSL_CTX_set_options(context->ssl_client_ctx,
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SSL_OP_CIPHER_SERVER_PREFERENCE);
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if (info->ssl_cipher_list)
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SSL_CTX_set_cipher_list(context->ssl_client_ctx,
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info->ssl_cipher_list);
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#ifdef LWS_SSL_CLIENT_USE_OS_CA_CERTS
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/* loads OS default CA certs */
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SSL_CTX_set_default_verify_paths(context->ssl_client_ctx);
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#endif
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/* openssl init for cert verification (for client sockets) */
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if (!info->ssl_ca_filepath) {
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if (!SSL_CTX_load_verify_locations(
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context->ssl_client_ctx, NULL,
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LWS_OPENSSL_CLIENT_CERTS))
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lwsl_err(
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"Unable to load SSL Client certs from %s "
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"(set by --with-client-cert-dir= "
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"in configure) -- client ssl isn't "
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"going to work", LWS_OPENSSL_CLIENT_CERTS);
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} else
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if (!SSL_CTX_load_verify_locations(
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context->ssl_client_ctx, info->ssl_ca_filepath,
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NULL))
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lwsl_err(
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"Unable to load SSL Client certs "
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"file from %s -- client ssl isn't "
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"going to work", info->ssl_ca_filepath);
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/*
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* callback allowing user code to load extra verification certs
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* helping the client to verify server identity
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*/
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/* support for client-side certificate authentication */
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if (info->ssl_cert_filepath) {
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n = SSL_CTX_use_certificate_chain_file(
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context->ssl_client_ctx,
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info->ssl_cert_filepath);
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if (n != 1) {
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lwsl_err("problem getting cert '%s' %lu: %s\n",
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info->ssl_cert_filepath,
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ERR_get_error(),
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ERR_error_string(ERR_get_error(),
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(char *)context->service_buffer));
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return 1;
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}
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}
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if (info->ssl_private_key_filepath) {
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/* set the private key from KeyFile */
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if (SSL_CTX_use_PrivateKey_file(context->ssl_client_ctx,
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info->ssl_private_key_filepath,
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SSL_FILETYPE_PEM) != 1) {
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lwsl_err("use_PrivateKey_file '%s' %lu: %s\n",
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info->ssl_private_key_filepath,
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ERR_get_error(),
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ERR_error_string(ERR_get_error(),
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(char *)context->service_buffer));
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return 1;
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}
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/* verify private key */
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if (!SSL_CTX_check_private_key(
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context->ssl_client_ctx)) {
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lwsl_err("Private SSL key doesn't match cert\n");
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return 1;
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}
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}
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context->protocols[0].callback(context, NULL,
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LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS,
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context->ssl_client_ctx, NULL, 0);
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return 0;
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}
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int lws_client_socket_service(struct libwebsocket_context *context,
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struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd)
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{
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242
lib/context.c
242
lib/context.c
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@ -68,13 +68,7 @@ OpenSSL_verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
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x509_ctx, ssl, preverify_ok);
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/* convert return code from 0 = OK to 1 = OK */
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if (!n)
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n = 1;
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else
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n = 0;
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return n;
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return !n;
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}
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#endif
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@ -114,18 +108,9 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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struct libwebsocket_context *context = NULL;
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char *p;
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int n;
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#ifndef LWS_NO_SERVER
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int opt = 1;
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struct libwebsocket *wsi;
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#ifdef LWS_USE_IPV6
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struct sockaddr_in6 serv_addr6;
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#endif
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struct sockaddr_in serv_addr4;
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struct sockaddr *v;
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#endif
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#ifdef LWS_OPENSSL_SUPPORT
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SSL_METHOD *method;
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int error;
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#endif
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#ifndef LWS_NO_DAEMONIZE
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@ -341,20 +326,18 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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method = (SSL_METHOD *)SSLv23_server_method();
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if (!method) {
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int error = ERR_get_error();
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error = ERR_get_error();
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lwsl_err("problem creating ssl method %lu: %s\n",
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error,
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ERR_error_string(error,
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error, ERR_error_string(error,
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(char *)context->service_buffer));
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goto bail;
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}
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context->ssl_ctx = SSL_CTX_new(method); /* create context */
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if (!context->ssl_ctx) {
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int error = ERR_get_error();
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error = ERR_get_error();
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lwsl_err("problem creating ssl context %lu: %s\n",
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error,
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ERR_error_string(error,
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(char *)context->service_buffer));
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error, ERR_error_string(error,
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(char *)context->service_buffer));
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goto bail;
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}
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@ -366,110 +349,8 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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SSL_CTX_set_cipher_list(context->ssl_ctx,
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info->ssl_cipher_list);
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#ifndef LWS_NO_CLIENT
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/* client context */
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if (info->port == CONTEXT_PORT_NO_LISTEN) {
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method = (SSL_METHOD *)SSLv23_client_method();
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if (!method) {
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int error = ERR_get_error();
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lwsl_err("problem creating ssl method %lu: %s\n",
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error,
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ERR_error_string(error,
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(char *)context->service_buffer));
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goto bail;
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}
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/* create context */
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context->ssl_client_ctx = SSL_CTX_new(method);
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if (!context->ssl_client_ctx) {
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int error = ERR_get_error();
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lwsl_err("problem creating ssl context %lu: %s\n",
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error,
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ERR_error_string(error,
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(char *)context->service_buffer));
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goto bail;
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}
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#ifdef SSL_OP_NO_COMPRESSION
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SSL_CTX_set_options(context->ssl_client_ctx,
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SSL_OP_NO_COMPRESSION);
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#endif
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SSL_CTX_set_options(context->ssl_client_ctx,
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SSL_OP_CIPHER_SERVER_PREFERENCE);
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if (info->ssl_cipher_list)
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SSL_CTX_set_cipher_list(context->ssl_client_ctx,
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info->ssl_cipher_list);
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#ifdef LWS_SSL_CLIENT_USE_OS_CA_CERTS
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/* loads OS default CA certs */
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SSL_CTX_set_default_verify_paths(context->ssl_client_ctx);
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#endif
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/* openssl init for cert verification (for client sockets) */
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if (!info->ssl_ca_filepath) {
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if (!SSL_CTX_load_verify_locations(
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context->ssl_client_ctx, NULL,
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LWS_OPENSSL_CLIENT_CERTS))
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lwsl_err(
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"Unable to load SSL Client certs from %s "
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"(set by --with-client-cert-dir= "
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"in configure) -- client ssl isn't "
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"going to work", LWS_OPENSSL_CLIENT_CERTS);
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} else
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if (!SSL_CTX_load_verify_locations(
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context->ssl_client_ctx, info->ssl_ca_filepath,
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NULL))
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lwsl_err(
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"Unable to load SSL Client certs "
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"file from %s -- client ssl isn't "
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"going to work", info->ssl_ca_filepath);
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/*
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* callback allowing user code to load extra verification certs
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* helping the client to verify server identity
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*/
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/* support for client-side certificate authentication */
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if (info->ssl_cert_filepath) {
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n = SSL_CTX_use_certificate_chain_file(
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context->ssl_client_ctx,
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info->ssl_cert_filepath);
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if (n != 1) {
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lwsl_err("problem getting cert '%s' %lu: %s\n",
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info->ssl_cert_filepath,
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ERR_get_error(),
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ERR_error_string(ERR_get_error(),
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(char *)context->service_buffer));
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goto bail;
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}
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}
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if (info->ssl_private_key_filepath) {
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/* set the private key from KeyFile */
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if (SSL_CTX_use_PrivateKey_file(context->ssl_client_ctx,
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info->ssl_private_key_filepath,
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SSL_FILETYPE_PEM) != 1) {
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lwsl_err("use_PrivateKey_file '%s' %lu: %s\n",
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info->ssl_private_key_filepath,
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ERR_get_error(),
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ERR_error_string(ERR_get_error(),
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(char *)context->service_buffer));
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goto bail;
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}
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/* verify private key */
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if (!SSL_CTX_check_private_key(
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context->ssl_client_ctx)) {
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lwsl_err("Private SSL key doesn't match cert\n");
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goto bail;
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}
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}
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context->protocols[0].callback(context, NULL,
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LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS,
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context->ssl_client_ctx, NULL, 0);
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}
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#endif
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if (lws_context_init_client(info, context))
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goto bail;
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/* as a server, are we requiring clients to identify themselves? */
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@ -505,7 +386,7 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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n = SSL_CTX_use_certificate_chain_file(context->ssl_ctx,
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info->ssl_cert_filepath);
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if (n != 1) {
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int error = ERR_get_error();
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error = ERR_get_error();
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lwsl_err("problem getting cert '%s' %lu: %s\n",
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info->ssl_cert_filepath,
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error,
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@ -517,7 +398,7 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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if (SSL_CTX_use_PrivateKey_file(context->ssl_ctx,
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info->ssl_private_key_filepath,
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SSL_FILETYPE_PEM) != 1) {
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int error = ERR_get_error();
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error = ERR_get_error();
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lwsl_err("ssl problem getting key '%s' %lu: %s\n",
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info->ssl_private_key_filepath,
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error,
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@ -535,99 +416,8 @@ libwebsocket_create_context(struct lws_context_creation_info *info)
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}
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#endif
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#ifndef LWS_NO_SERVER
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/* set up our external listening socket we serve on */
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if (info->port != CONTEXT_PORT_NO_LISTEN) {
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int sockfd;
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struct sockaddr_in sin;
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socklen_t len = sizeof(sin);
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#ifdef LWS_USE_IPV6
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if (LWS_IPV6_ENABLED(context))
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sockfd = socket(AF_INET6, SOCK_STREAM, 0);
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else
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#endif
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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lwsl_err("ERROR opening socket\n");
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goto bail;
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}
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/*
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* allow us to restart even if old sockets in TIME_WAIT
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*/
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setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
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(const void *)&opt, sizeof(opt));
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|
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lws_plat_set_socket_options(context, sockfd);
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#ifdef LWS_USE_IPV6
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if (LWS_IPV6_ENABLED(context)) {
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v = (struct sockaddr *)&serv_addr6;
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n = sizeof(struct sockaddr_in6);
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bzero((char *) &serv_addr6, sizeof(serv_addr6));
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serv_addr6.sin6_addr = in6addr_any;
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serv_addr6.sin6_family = AF_INET6;
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serv_addr6.sin6_port = htons(info->port);
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} else
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#endif
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{
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v = (struct sockaddr *)&serv_addr4;
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n = sizeof(serv_addr4);
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bzero((char *) &serv_addr4, sizeof(serv_addr4));
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serv_addr4.sin_addr.s_addr = INADDR_ANY;
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serv_addr4.sin_family = AF_INET;
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serv_addr4.sin_port = htons(info->port);
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|
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if (info->iface) {
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if (interface_to_sa(context, info->iface,
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(struct sockaddr_in *)v, n) < 0) {
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lwsl_err("Unable to find interface %s\n",
|
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info->iface);
|
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compatible_close(sockfd);
|
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goto bail;
|
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}
|
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}
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} /* ipv4 */
|
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n = bind(sockfd, v, n);
|
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if (n < 0) {
|
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lwsl_err("ERROR on binding to port %d (%d %d)\n",
|
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info->port, n, LWS_ERRNO);
|
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compatible_close(sockfd);
|
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goto bail;
|
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}
|
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|
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if (getsockname(sockfd, (struct sockaddr *)&sin, &len) == -1)
|
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lwsl_warn("getsockname: %s\n", strerror(LWS_ERRNO));
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else
|
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info->port = ntohs(sin.sin_port);
|
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|
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context->listen_port = info->port;
|
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|
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wsi = (struct libwebsocket *)malloc(
|
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sizeof(struct libwebsocket));
|
||||
if (wsi == NULL) {
|
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lwsl_err("Out of mem\n");
|
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compatible_close(sockfd);
|
||||
goto bail;
|
||||
}
|
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memset(wsi, 0, sizeof(struct libwebsocket));
|
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wsi->sock = sockfd;
|
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wsi->mode = LWS_CONNMODE_SERVER_LISTENER;
|
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|
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insert_wsi_socket_into_fds(context, wsi);
|
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|
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context->listen_service_modulo = LWS_LISTEN_SERVICE_MODULO;
|
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context->listen_service_count = 0;
|
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context->listen_service_fd = sockfd;
|
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|
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listen(sockfd, LWS_SOMAXCONN);
|
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lwsl_notice(" Listening on port %d\n", info->port);
|
||||
}
|
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#endif
|
||||
if (lws_context_init_server(info, context))
|
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goto bail;
|
||||
|
||||
/*
|
||||
* drop any root privs for this process
|
||||
|
|
@ -715,10 +505,12 @@ libwebsocket_context_destroy(struct libwebsocket_context *context)
|
|||
* allocations they might have made
|
||||
*/
|
||||
if (context->listen_port) {
|
||||
if (lws_ext_callback_for_each_extension_type(context, NULL, LWS_EXT_CALLBACK_SERVER_CONTEXT_DESTRUCT, NULL, 0) < 0)
|
||||
if (lws_ext_callback_for_each_extension_type(context, NULL,
|
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LWS_EXT_CALLBACK_SERVER_CONTEXT_DESTRUCT, NULL, 0) < 0)
|
||||
return;
|
||||
} else
|
||||
if (lws_ext_callback_for_each_extension_type(context, NULL, LWS_EXT_CALLBACK_CLIENT_CONTEXT_DESTRUCT, NULL, 0) < 0)
|
||||
if (lws_ext_callback_for_each_extension_type(context, NULL,
|
||||
LWS_EXT_CALLBACK_CLIENT_CONTEXT_DESTRUCT, NULL, 0) < 0)
|
||||
return;
|
||||
|
||||
/*
|
||||
|
|
|
|||
|
|
@ -711,8 +711,12 @@ LWS_EXTERN int
|
|||
lws_change_pollfd(struct libwebsocket *wsi, int _and, int _or);
|
||||
|
||||
#ifndef LWS_NO_SERVER
|
||||
int lws_context_init_server(struct lws_context_creation_info *info,
|
||||
struct libwebsocket_context *context);
|
||||
LWS_EXTERN int handshake_0405(struct libwebsocket_context *context,
|
||||
struct libwebsocket *wsi);
|
||||
#else
|
||||
#define lws_context_init_server(_a, _b) (0)
|
||||
#endif
|
||||
|
||||
#ifndef LWS_NO_DAEMONIZE
|
||||
|
|
@ -743,6 +747,10 @@ LWS_EXTERN int openssl_websocket_private_data_index;
|
|||
LWS_EXTERN int lws_client_socket_service(
|
||||
struct libwebsocket_context *context,
|
||||
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
|
||||
LWS_EXTERN int lws_context_init_client(struct lws_context_creation_info *info,
|
||||
struct libwebsocket_context *context);
|
||||
#else
|
||||
#define lws_context_init_client(_a, _b) (0)
|
||||
#endif
|
||||
#ifndef LWS_NO_SERVER
|
||||
LWS_EXTERN int lws_server_socket_service(
|
||||
|
|
|
|||
106
lib/server.c
106
lib/server.c
|
|
@ -22,6 +22,112 @@
|
|||
|
||||
#include "private-libwebsockets.h"
|
||||
|
||||
int lws_context_init_server(struct lws_context_creation_info *info,
|
||||
struct libwebsocket_context *context)
|
||||
{
|
||||
int n;
|
||||
int sockfd;
|
||||
struct sockaddr_in sin;
|
||||
socklen_t len = sizeof(sin);
|
||||
int opt = 1;
|
||||
struct libwebsocket *wsi;
|
||||
#ifdef LWS_USE_IPV6
|
||||
struct sockaddr_in6 serv_addr6;
|
||||
#endif
|
||||
struct sockaddr_in serv_addr4;
|
||||
struct sockaddr *v;
|
||||
|
||||
/* set up our external listening socket we serve on */
|
||||
|
||||
if (info->port == CONTEXT_PORT_NO_LISTEN)
|
||||
return 0;
|
||||
|
||||
#ifdef LWS_USE_IPV6
|
||||
if (LWS_IPV6_ENABLED(context))
|
||||
sockfd = socket(AF_INET6, SOCK_STREAM, 0);
|
||||
else
|
||||
#endif
|
||||
sockfd = socket(AF_INET, SOCK_STREAM, 0);
|
||||
|
||||
if (sockfd < 0) {
|
||||
lwsl_err("ERROR opening socket\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* allow us to restart even if old sockets in TIME_WAIT
|
||||
*/
|
||||
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
|
||||
(const void *)&opt, sizeof(opt));
|
||||
|
||||
lws_plat_set_socket_options(context, sockfd);
|
||||
|
||||
#ifdef LWS_USE_IPV6
|
||||
if (LWS_IPV6_ENABLED(context)) {
|
||||
v = (struct sockaddr *)&serv_addr6;
|
||||
n = sizeof(struct sockaddr_in6);
|
||||
bzero((char *) &serv_addr6, sizeof(serv_addr6));
|
||||
serv_addr6.sin6_addr = in6addr_any;
|
||||
serv_addr6.sin6_family = AF_INET6;
|
||||
serv_addr6.sin6_port = htons(info->port);
|
||||
} else
|
||||
#endif
|
||||
{
|
||||
v = (struct sockaddr *)&serv_addr4;
|
||||
n = sizeof(serv_addr4);
|
||||
bzero((char *) &serv_addr4, sizeof(serv_addr4));
|
||||
serv_addr4.sin_addr.s_addr = INADDR_ANY;
|
||||
serv_addr4.sin_family = AF_INET;
|
||||
serv_addr4.sin_port = htons(info->port);
|
||||
|
||||
if (info->iface) {
|
||||
if (interface_to_sa(context, info->iface,
|
||||
(struct sockaddr_in *)v, n) < 0) {
|
||||
lwsl_err("Unable to find interface %s\n",
|
||||
info->iface);
|
||||
compatible_close(sockfd);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
} /* ipv4 */
|
||||
|
||||
n = bind(sockfd, v, n);
|
||||
if (n < 0) {
|
||||
lwsl_err("ERROR on binding to port %d (%d %d)\n",
|
||||
info->port, n, LWS_ERRNO);
|
||||
compatible_close(sockfd);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (getsockname(sockfd, (struct sockaddr *)&sin, &len) == -1)
|
||||
lwsl_warn("getsockname: %s\n", strerror(LWS_ERRNO));
|
||||
else
|
||||
info->port = ntohs(sin.sin_port);
|
||||
|
||||
context->listen_port = info->port;
|
||||
|
||||
wsi = (struct libwebsocket *)malloc(sizeof(struct libwebsocket));
|
||||
if (wsi == NULL) {
|
||||
lwsl_err("Out of mem\n");
|
||||
compatible_close(sockfd);
|
||||
return 1;
|
||||
}
|
||||
memset(wsi, 0, sizeof(struct libwebsocket));
|
||||
wsi->sock = sockfd;
|
||||
wsi->mode = LWS_CONNMODE_SERVER_LISTENER;
|
||||
|
||||
insert_wsi_socket_into_fds(context, wsi);
|
||||
|
||||
context->listen_service_modulo = LWS_LISTEN_SERVICE_MODULO;
|
||||
context->listen_service_count = 0;
|
||||
context->listen_service_fd = sockfd;
|
||||
|
||||
listen(sockfd, LWS_SOMAXCONN);
|
||||
lwsl_notice(" Listening on port %d\n", info->port);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef LWS_OPENSSL_SUPPORT
|
||||
|
||||
static void
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue