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authorRémi Verschelde <rverschelde@gmail.com>2018-06-07 10:46:05 +0200
committerRémi Verschelde <rverschelde@gmail.com>2018-06-07 10:46:05 +0200
commitd0811ed3f9604b2dab755ab6df0a2950fd1ccede (patch)
treeebb74de9c5c8c2b9eecb898121307755ca5ba0a7 /thirdparty/lws/client/client-handshake.c
parent7d392cd6f496374aea98e8f5c85792acb6f8bc7a (diff)
Thirdparty: Fill copyright for lws, miniupnpc, clipper
Rename `lws` to `libwebsockets` which is its library name. Add missing license file for mbedtls.
Diffstat (limited to 'thirdparty/lws/client/client-handshake.c')
-rw-r--r--thirdparty/lws/client/client-handshake.c1051
1 files changed, 0 insertions, 1051 deletions
diff --git a/thirdparty/lws/client/client-handshake.c b/thirdparty/lws/client/client-handshake.c
deleted file mode 100644
index c2720d9283..0000000000
--- a/thirdparty/lws/client/client-handshake.c
+++ /dev/null
@@ -1,1051 +0,0 @@
-#include "private-libwebsockets.h"
-
-static int
-lws_getaddrinfo46(struct lws *wsi, const char *ads, struct addrinfo **result)
-{
- struct addrinfo hints;
-
- memset(&hints, 0, sizeof(hints));
- *result = NULL;
-
-#ifdef LWS_WITH_IPV6
- if (wsi->ipv6) {
-
-#if !defined(__ANDROID__)
- hints.ai_family = AF_INET6;
- hints.ai_flags = AI_V4MAPPED;
-#endif
- } else
-#endif
- {
- hints.ai_family = PF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = AI_CANONNAME;
- }
-
- return getaddrinfo(ads, NULL, &hints, result);
-}
-
-struct lws *
-lws_client_connect_2(struct lws *wsi)
-{
- sockaddr46 sa46;
- struct addrinfo *result;
- struct lws_context *context = wsi->context;
- struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
- struct lws_pollfd pfd;
- const char *cce = "", *iface;
- int n, port;
- ssize_t plen = 0;
- const char *ads;
-#ifdef LWS_WITH_IPV6
- char ipv6only = lws_check_opt(wsi->vhost->options,
- LWS_SERVER_OPTION_IPV6_V6ONLY_MODIFY |
- LWS_SERVER_OPTION_IPV6_V6ONLY_VALUE);
-
-#if defined(__ANDROID__)
- ipv6only = 0;
-#endif
-#endif
-
- lwsl_client("%s\n", __func__);
-
- if (!wsi->u.hdr.ah) {
- cce = "ah was NULL at cc2";
- lwsl_err("%s\n", cce);
- goto oom4;
- }
-
- /*
- * start off allowing ipv6 on connection if vhost allows it
- */
- wsi->ipv6 = LWS_IPV6_ENABLED(wsi->vhost);
-
- /* Decide what it is we need to connect to:
- *
- * Priority 1: connect to http proxy */
-
- if (wsi->vhost->http_proxy_port) {
- plen = sprintf((char *)pt->serv_buf,
- "CONNECT %s:%u HTTP/1.0\x0d\x0a"
- "User-agent: libwebsockets\x0d\x0a",
- lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS),
- wsi->c_port);
-
- if (wsi->vhost->proxy_basic_auth_token[0])
- plen += sprintf((char *)pt->serv_buf + plen,
- "Proxy-authorization: basic %s\x0d\x0a",
- wsi->vhost->proxy_basic_auth_token);
-
- plen += sprintf((char *)pt->serv_buf + plen, "\x0d\x0a");
- ads = wsi->vhost->http_proxy_address;
- port = wsi->vhost->http_proxy_port;
-
-#if defined(LWS_WITH_SOCKS5)
-
- /* Priority 2: Connect to SOCK5 Proxy */
-
- } else if (wsi->vhost->socks_proxy_port) {
- socks_generate_msg(wsi, SOCKS_MSG_GREETING, &plen);
- lwsl_client("Sending SOCKS Greeting\n");
- ads = wsi->vhost->socks_proxy_address;
- port = wsi->vhost->socks_proxy_port;
-#endif
- } else {
-
- /* Priority 3: Connect directly */
-
- ads = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS);
- port = wsi->c_port;
- }
-
- /*
- * prepare the actual connection
- * to whatever we decided to connect to
- */
-
- lwsl_notice("%s: %p: address %s\n", __func__, wsi, ads);
-
- n = lws_getaddrinfo46(wsi, ads, &result);
-
-#ifdef LWS_WITH_IPV6
- if (wsi->ipv6) {
-
- if (n) {
- /* lws_getaddrinfo46 failed, there is no usable result */
- lwsl_notice("%s: lws_getaddrinfo46 failed %d\n",
- __func__, n);
- cce = "ipv6 lws_getaddrinfo46 failed";
- goto oom4;
- }
-
- memset(&sa46, 0, sizeof(sa46));
-
- sa46.sa6.sin6_family = AF_INET6;
- switch (result->ai_family) {
- case AF_INET:
- if (ipv6only)
- break;
- /* map IPv4 to IPv6 */
- bzero((char *)&sa46.sa6.sin6_addr,
- sizeof(sa46.sa6.sin6_addr));
- sa46.sa6.sin6_addr.s6_addr[10] = 0xff;
- sa46.sa6.sin6_addr.s6_addr[11] = 0xff;
- memcpy(&sa46.sa6.sin6_addr.s6_addr[12],
- &((struct sockaddr_in *)result->ai_addr)->sin_addr,
- sizeof(struct in_addr));
- lwsl_notice("uplevelling AF_INET to AF_INET6\n");
- break;
-
- case AF_INET6:
- memcpy(&sa46.sa6.sin6_addr,
- &((struct sockaddr_in6 *)result->ai_addr)->sin6_addr,
- sizeof(struct in6_addr));
- sa46.sa6.sin6_scope_id = ((struct sockaddr_in6 *)result->ai_addr)->sin6_scope_id;
- sa46.sa6.sin6_flowinfo = ((struct sockaddr_in6 *)result->ai_addr)->sin6_flowinfo;
- break;
- default:
- lwsl_err("Unknown address family\n");
- freeaddrinfo(result);
- cce = "unknown address family";
- goto oom4;
- }
- } else
-#endif /* use ipv6 */
-
- /* use ipv4 */
- {
- void *p = NULL;
-
- if (!n) {
- struct addrinfo *res = result;
-
- /* pick the first AF_INET (IPv4) result */
-
- while (!p && res) {
- switch (res->ai_family) {
- case AF_INET:
- p = &((struct sockaddr_in *)res->ai_addr)->sin_addr;
- break;
- }
-
- res = res->ai_next;
- }
-#if defined(LWS_FALLBACK_GETHOSTBYNAME)
- } else if (n == EAI_SYSTEM) {
- struct hostent *host;
-
- lwsl_info("getaddrinfo (ipv4) failed, trying gethostbyname\n");
- host = gethostbyname(ads);
- if (host) {
- p = host->h_addr;
- } else {
- lwsl_err("gethostbyname failed\n");
- cce = "gethostbyname (ipv4) failed";
- goto oom4;
- }
-#endif
- } else {
- lwsl_err("getaddrinfo failed\n");
- cce = "getaddrinfo failed";
- goto oom4;
- }
-
- if (!p) {
- if (result)
- freeaddrinfo(result);
- lwsl_err("Couldn't identify address\n");
- cce = "unable to lookup address";
- goto oom4;
- }
-
- sa46.sa4.sin_family = AF_INET;
- sa46.sa4.sin_addr = *((struct in_addr *)p);
- bzero(&sa46.sa4.sin_zero, 8);
- }
-
- if (result)
- freeaddrinfo(result);
-
- /* now we decided on ipv4 or ipv6, set the port */
-
- if (!lws_socket_is_valid(wsi->desc.sockfd)) {
-
-#if defined(LWS_WITH_LIBUV)
- if (LWS_LIBUV_ENABLED(context))
- if (lws_libuv_check_watcher_active(wsi)) {
- lwsl_warn("Waiting for libuv watcher to close\n");
- cce = "waiting for libuv watcher to close";
- goto oom4;
- }
-#endif
-
-#ifdef LWS_WITH_IPV6
- if (wsi->ipv6)
- wsi->desc.sockfd = socket(AF_INET6, SOCK_STREAM, 0);
- else
-#endif
- wsi->desc.sockfd = socket(AF_INET, SOCK_STREAM, 0);
-
- if (!lws_socket_is_valid(wsi->desc.sockfd)) {
- lwsl_warn("Unable to open socket\n");
- cce = "unable to open socket";
- goto oom4;
- }
-
- if (lws_plat_set_socket_options(wsi->vhost, wsi->desc.sockfd)) {
- lwsl_err("Failed to set wsi socket options\n");
- compatible_close(wsi->desc.sockfd);
- cce = "set socket opts failed";
- goto oom4;
- }
-
- wsi->mode = LWSCM_WSCL_WAITING_CONNECT;
-
- lws_libev_accept(wsi, wsi->desc);
- lws_libuv_accept(wsi, wsi->desc);
- lws_libevent_accept(wsi, wsi->desc);
-
- if (insert_wsi_socket_into_fds(context, wsi)) {
- compatible_close(wsi->desc.sockfd);
- cce = "insert wsi failed";
- goto oom4;
- }
-
- lws_change_pollfd(wsi, 0, LWS_POLLIN);
-
- /*
- * past here, we can't simply free the structs as error
- * handling as oom4 does. We have to run the whole close flow.
- */
-
- if (!wsi->protocol)
- wsi->protocol = &wsi->vhost->protocols[0];
-
- wsi->protocol->callback(wsi, LWS_CALLBACK_WSI_CREATE,
- wsi->user_space, NULL, 0);
-
- lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_CONNECT_RESPONSE,
- AWAITING_TIMEOUT);
-
- iface = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_IFACE);
-
- if (iface) {
- n = lws_socket_bind(wsi->vhost, wsi->desc.sockfd, 0, iface);
- if (n < 0) {
- cce = "unable to bind socket";
- goto failed;
- }
- }
- }
-
-#ifdef LWS_WITH_IPV6
- if (wsi->ipv6) {
- sa46.sa6.sin6_port = htons(port);
- n = sizeof(struct sockaddr_in6);
- } else
-#endif
- {
- sa46.sa4.sin_port = htons(port);
- n = sizeof(struct sockaddr);
- }
-
- if (connect(wsi->desc.sockfd, (const struct sockaddr *)&sa46, n) == -1 ||
- LWS_ERRNO == LWS_EISCONN) {
- if (LWS_ERRNO == LWS_EALREADY ||
- LWS_ERRNO == LWS_EINPROGRESS ||
- LWS_ERRNO == LWS_EWOULDBLOCK
-#ifdef _WIN32
- || LWS_ERRNO == WSAEINVAL
-#endif
- ) {
- lwsl_client("nonblocking connect retry (errno = %d)\n",
- LWS_ERRNO);
-
- if (lws_plat_check_connection_error(wsi)) {
- cce = "socket connect failed";
- goto failed;
- }
-
- /*
- * must do specifically a POLLOUT poll to hear
- * about the connect completion
- */
- if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) {
- cce = "POLLOUT set failed";
- goto failed;
- }
-
- return wsi;
- }
-
- if (LWS_ERRNO != LWS_EISCONN) {
- lwsl_notice("Connect failed errno=%d\n", LWS_ERRNO);
- cce = "connect failed";
- goto failed;
- }
- }
-
- lwsl_client("connected\n");
-
- /* we are connected to server, or proxy */
-
- /* http proxy */
- if (wsi->vhost->http_proxy_port) {
-
- /*
- * OK from now on we talk via the proxy, so connect to that
- *
- * (will overwrite existing pointer,
- * leaving old string/frag there but unreferenced)
- */
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS,
- wsi->vhost->http_proxy_address))
- goto failed;
- wsi->c_port = wsi->vhost->http_proxy_port;
-
- n = send(wsi->desc.sockfd, (char *)pt->serv_buf, plen,
- MSG_NOSIGNAL);
- if (n < 0) {
- lwsl_debug("ERROR writing to proxy socket\n");
- cce = "proxy write failed";
- goto failed;
- }
-
- lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_PROXY_RESPONSE,
- AWAITING_TIMEOUT);
-
- wsi->mode = LWSCM_WSCL_WAITING_PROXY_REPLY;
-
- return wsi;
- }
-#if defined(LWS_WITH_SOCKS5)
- /* socks proxy */
- else if (wsi->vhost->socks_proxy_port) {
- n = send(wsi->desc.sockfd, (char *)pt->serv_buf, plen,
- MSG_NOSIGNAL);
- if (n < 0) {
- lwsl_debug("ERROR writing socks greeting\n");
- cce = "socks write failed";
- goto failed;
- }
-
- lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_SOCKS_GREETING_REPLY,
- AWAITING_TIMEOUT);
-
- wsi->mode = LWSCM_WSCL_WAITING_SOCKS_GREETING_REPLY;
-
- return wsi;
- }
-#endif
-
- /*
- * provoke service to issue the handshake directly
- * we need to do it this way because in the proxy case, this is the
- * next state and executed only if and when we get a good proxy
- * response inside the state machine... but notice in SSL case this
- * may not have sent anything yet with 0 return, and won't until some
- * many retries from main loop. To stop that becoming endless,
- * cover with a timeout.
- */
-
- lws_set_timeout(wsi, PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE,
- AWAITING_TIMEOUT);
-
- wsi->mode = LWSCM_WSCL_ISSUE_HANDSHAKE;
- pfd.fd = wsi->desc.sockfd;
- pfd.events = LWS_POLLIN;
- pfd.revents = LWS_POLLIN;
-
- n = lws_service_fd(context, &pfd);
- if (n < 0) {
- cce = "first service failed";
- goto failed;
- }
- if (n) /* returns 1 on failure after closing wsi */
- return NULL;
-
- return wsi;
-
-oom4:
- /* we're closing, losing some rx is OK */
- lws_header_table_force_to_detachable_state(wsi);
-
- if (wsi->mode == LWSCM_HTTP_CLIENT ||
- wsi->mode == LWSCM_HTTP_CLIENT_ACCEPTED ||
- wsi->mode == LWSCM_WSCL_WAITING_CONNECT) {
- wsi->vhost->protocols[0].callback(wsi,
- LWS_CALLBACK_CLIENT_CONNECTION_ERROR,
- wsi->user_space, (void *)cce, strlen(cce));
- wsi->already_did_cce = 1;
- }
- /* take care that we might be inserted in fds already */
- if (wsi->position_in_fds_table != -1)
- goto failed1;
- lws_remove_from_timeout_list(wsi);
- lws_header_table_detach(wsi, 0);
- lws_free(wsi);
-
- return NULL;
-
-failed:
- wsi->vhost->protocols[0].callback(wsi,
- LWS_CALLBACK_CLIENT_CONNECTION_ERROR,
- wsi->user_space, (void *)cce, strlen(cce));
- wsi->already_did_cce = 1;
-failed1:
- lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS);
-
- return NULL;
-}
-
-/**
- * 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 **pwsi, int ssl, const char *address, int port,
- const char *path, const char *host)
-{
- char origin[300] = "", protocol[300] = "", method[32] = "", iface[16] = "", *p;
- struct lws *wsi = *pwsi;
-
- if (wsi->redirects == 3) {
- lwsl_err("%s: Too many redirects\n", __func__);
- return NULL;
- }
- wsi->redirects++;
-
- p = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_ORIGIN);
- if (p)
- strncpy(origin, p, sizeof(origin) - 1);
-
- p = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS);
- if (p)
- strncpy(protocol, p, sizeof(protocol) - 1);
-
- p = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_METHOD);
- if (p)
- strncpy(method, p, sizeof(method) - 1);
-
- p = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_IFACE);
- if (p)
- strncpy(method, p, sizeof(iface) - 1);
-
- lwsl_info("redirect ads='%s', port=%d, path='%s', ssl = %d\n",
- address, port, path, ssl);
-
- /* close the connection by hand */
-
-#ifdef LWS_OPENSSL_SUPPORT
- lws_ssl_close(wsi);
-#endif
-
-#ifdef LWS_WITH_LIBUV
- if (LWS_LIBUV_ENABLED(wsi->context)) {
- lwsl_debug("%s: lws_libuv_closehandle: wsi %p\n", __func__, wsi);
- /*
- * libuv has to do his own close handle processing asynchronously
- * but once it starts we can do everything else synchronously,
- * including trash wsi->desc.sockfd since it took a copy.
- *
- * When it completes it will call compatible_close()
- */
- lws_libuv_closehandle_manually(wsi);
- } else
-#else
- compatible_close(wsi->desc.sockfd);
-#endif
-
- remove_wsi_socket_from_fds(wsi);
-
-#ifdef LWS_OPENSSL_SUPPORT
- wsi->use_ssl = ssl;
-#else
- if (ssl) {
- lwsl_err("%s: not configured for ssl\n", __func__);
- return NULL;
- }
-#endif
-
- wsi->desc.sockfd = LWS_SOCK_INVALID;
- wsi->state = LWSS_CLIENT_UNCONNECTED;
- wsi->protocol = NULL;
- wsi->pending_timeout = NO_PENDING_TIMEOUT;
- wsi->c_port = port;
- wsi->hdr_parsing_completed = 0;
- _lws_header_table_reset(wsi->u.hdr.ah);
-
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS, address))
- return NULL;
-
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_HOST, host))
- return NULL;
-
- if (origin[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_ORIGIN,
- origin))
- return NULL;
- if (protocol[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS,
- protocol))
- return NULL;
- if (method[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_METHOD,
- method))
- return NULL;
-
- if (iface[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_IFACE,
- iface))
- return NULL;
-
- origin[0] = '/';
- strncpy(&origin[1], path, sizeof(origin) - 2);
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_URI, origin))
- return NULL;
-
- *pwsi = lws_client_connect_2(wsi);
-
- return *pwsi;
-}
-
-#ifdef LWS_WITH_HTTP_PROXY
-static hubbub_error
-html_parser_cb(const hubbub_token *token, void *pw)
-{
- struct lws_rewrite *r = (struct lws_rewrite *)pw;
- char buf[1024], *start = buf + LWS_PRE, *p = start,
- *end = &buf[sizeof(buf) - 1];
- size_t i;
-
- switch (token->type) {
- case HUBBUB_TOKEN_DOCTYPE:
-
- p += lws_snprintf(p, end - p, "<!DOCTYPE %.*s %s ",
- (int) token->data.doctype.name.len,
- token->data.doctype.name.ptr,
- token->data.doctype.force_quirks ?
- "(force-quirks) " : "");
-
- if (token->data.doctype.public_missing)
- lwsl_debug("\tpublic: missing\n");
- else
- p += lws_snprintf(p, end - p, "PUBLIC \"%.*s\"\n",
- (int) token->data.doctype.public_id.len,
- token->data.doctype.public_id.ptr);
-
- if (token->data.doctype.system_missing)
- lwsl_debug("\tsystem: missing\n");
- else
- p += lws_snprintf(p, end - p, " \"%.*s\">\n",
- (int) token->data.doctype.system_id.len,
- token->data.doctype.system_id.ptr);
-
- break;
- case HUBBUB_TOKEN_START_TAG:
- p += lws_snprintf(p, end - p, "<%.*s", (int)token->data.tag.name.len,
- token->data.tag.name.ptr);
-
-/* (token->data.tag.self_closing) ?
- "(self-closing) " : "",
- (token->data.tag.n_attributes > 0) ?
- "attributes:" : "");
-*/
- for (i = 0; i < token->data.tag.n_attributes; i++) {
- if (!hstrcmp(&token->data.tag.attributes[i].name, "href", 4) ||
- !hstrcmp(&token->data.tag.attributes[i].name, "action", 6) ||
- !hstrcmp(&token->data.tag.attributes[i].name, "src", 3)) {
- const char *pp = (const char *)token->data.tag.attributes[i].value.ptr;
- int plen = (int) token->data.tag.attributes[i].value.len;
-
- if (strncmp(pp, "http:", 5) && strncmp(pp, "https:", 6)) {
-
- if (!hstrcmp(&token->data.tag.attributes[i].value,
- r->from, r->from_len)) {
- pp += r->from_len;
- plen -= r->from_len;
- }
- p += lws_snprintf(p, end - p, " %.*s=\"%s/%.*s\"",
- (int) token->data.tag.attributes[i].name.len,
- token->data.tag.attributes[i].name.ptr,
- r->to, plen, pp);
- continue;
- }
- }
-
- p += lws_snprintf(p, end - p, " %.*s=\"%.*s\"",
- (int) token->data.tag.attributes[i].name.len,
- token->data.tag.attributes[i].name.ptr,
- (int) token->data.tag.attributes[i].value.len,
- token->data.tag.attributes[i].value.ptr);
- }
- p += lws_snprintf(p, end - p, ">");
- break;
- case HUBBUB_TOKEN_END_TAG:
- p += lws_snprintf(p, end - p, "</%.*s", (int) token->data.tag.name.len,
- token->data.tag.name.ptr);
-/*
- (token->data.tag.self_closing) ?
- "(self-closing) " : "",
- (token->data.tag.n_attributes > 0) ?
- "attributes:" : "");
-*/
- for (i = 0; i < token->data.tag.n_attributes; i++) {
- p += lws_snprintf(p, end - p, " %.*s='%.*s'\n",
- (int) token->data.tag.attributes[i].name.len,
- token->data.tag.attributes[i].name.ptr,
- (int) token->data.tag.attributes[i].value.len,
- token->data.tag.attributes[i].value.ptr);
- }
- p += lws_snprintf(p, end - p, ">");
- break;
- case HUBBUB_TOKEN_COMMENT:
- p += lws_snprintf(p, end - p, "<!-- %.*s -->\n",
- (int) token->data.comment.len,
- token->data.comment.ptr);
- break;
- case HUBBUB_TOKEN_CHARACTER:
- if (token->data.character.len == 1) {
- if (*token->data.character.ptr == '<') {
- p += lws_snprintf(p, end - p, "&lt;");
- break;
- }
- if (*token->data.character.ptr == '>') {
- p += lws_snprintf(p, end - p, "&gt;");
- break;
- }
- if (*token->data.character.ptr == '&') {
- p += lws_snprintf(p, end - p, "&amp;");
- break;
- }
- }
-
- p += lws_snprintf(p, end - p, "%.*s", (int) token->data.character.len,
- token->data.character.ptr);
- break;
- case HUBBUB_TOKEN_EOF:
- p += lws_snprintf(p, end - p, "\n");
- break;
- }
-
- if (user_callback_handle_rxflow(r->wsi->protocol->callback,
- r->wsi, LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ,
- r->wsi->user_space, start, p - start))
- return -1;
-
- return HUBBUB_OK;
-}
-#endif
-
-LWS_VISIBLE struct lws *
-lws_client_connect_via_info(struct lws_client_connect_info *i)
-{
- struct lws *wsi;
- int v = SPEC_LATEST_SUPPORTED;
- const struct lws_protocols *p;
-
- if (i->context->requested_kill)
- return NULL;
-
- if (!i->context->protocol_init_done)
- lws_protocol_init(i->context);
-
- wsi = lws_zalloc(sizeof(struct lws), "client wsi");
- if (wsi == NULL)
- goto bail;
-
- wsi->context = i->context;
- /* assert the mode and union status (hdr) clearly */
- lws_union_transition(wsi, LWSCM_HTTP_CLIENT);
- wsi->desc.sockfd = LWS_SOCK_INVALID;
-
- /* 1) fill up the wsi with stuff from the connect_info as far as it
- * can go. It's because not only is our connection async, we might
- * not even be able to get ahold of an ah at this point.
- */
-
- /* -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->ietf_spec_revision = v;
- wsi->user_space = NULL;
- wsi->state = LWSS_CLIENT_UNCONNECTED;
- wsi->pending_timeout = NO_PENDING_TIMEOUT;
- wsi->position_in_fds_table = -1;
- wsi->c_port = i->port;
- wsi->vhost = i->vhost;
- if (!wsi->vhost)
- wsi->vhost = i->context->vhost_list;
-
- wsi->protocol = &wsi->vhost->protocols[0];
-
- /* for http[s] connection, allow protocol selection by name */
-
- if (i->method && i->vhost && i->protocol) {
- p = lws_vhost_name_to_protocol(i->vhost, i->protocol);
- if (p)
- wsi->protocol = p;
- }
-
- if (wsi && !wsi->user_space && i->userdata) {
- wsi->user_space_externally_allocated = 1;
- wsi->user_space = i->userdata;
- } else
- /* if we stay in http, we can assign the user space now,
- * otherwise do it after the protocol negotiated
- */
- if (i->method)
- if (lws_ensure_user_space(wsi))
- goto bail;
-
-#ifdef LWS_OPENSSL_SUPPORT
- wsi->use_ssl = i->ssl_connection;
-#else
- if (i->ssl_connection) {
- lwsl_err("libwebsockets not configured for ssl\n");
- goto bail;
- }
-#endif
-
- /* 2) stash the things from connect_info that we can't process without
- * an ah. Because if no ah, we will go on the ah waiting list and
- * process those things later (after the connect_info and maybe the
- * things pointed to have gone out of scope.
- */
-
- wsi->u.hdr.stash = lws_malloc(sizeof(*wsi->u.hdr.stash), "client stash");
- if (!wsi->u.hdr.stash) {
- lwsl_err("%s: OOM\n", __func__);
- goto bail;
- }
-
- wsi->u.hdr.stash->origin[0] = '\0';
- wsi->u.hdr.stash->protocol[0] = '\0';
- wsi->u.hdr.stash->method[0] = '\0';
- wsi->u.hdr.stash->iface[0] = '\0';
-
- strncpy(wsi->u.hdr.stash->address, i->address,
- sizeof(wsi->u.hdr.stash->address) - 1);
- strncpy(wsi->u.hdr.stash->path, i->path,
- sizeof(wsi->u.hdr.stash->path) - 1);
- strncpy(wsi->u.hdr.stash->host, i->host,
- sizeof(wsi->u.hdr.stash->host) - 1);
- if (i->origin)
- strncpy(wsi->u.hdr.stash->origin, i->origin,
- sizeof(wsi->u.hdr.stash->origin) - 1);
- if (i->protocol)
- strncpy(wsi->u.hdr.stash->protocol, i->protocol,
- sizeof(wsi->u.hdr.stash->protocol) - 1);
- if (i->method)
- strncpy(wsi->u.hdr.stash->method, i->method,
- sizeof(wsi->u.hdr.stash->method) - 1);
- if (i->iface)
- strncpy(wsi->u.hdr.stash->iface, i->iface,
- sizeof(wsi->u.hdr.stash->iface) - 1);
-
- wsi->u.hdr.stash->address[sizeof(wsi->u.hdr.stash->address) - 1] = '\0';
- wsi->u.hdr.stash->path[sizeof(wsi->u.hdr.stash->path) - 1] = '\0';
- wsi->u.hdr.stash->host[sizeof(wsi->u.hdr.stash->host) - 1] = '\0';
- wsi->u.hdr.stash->origin[sizeof(wsi->u.hdr.stash->origin) - 1] = '\0';
- wsi->u.hdr.stash->protocol[sizeof(wsi->u.hdr.stash->protocol) - 1] = '\0';
- wsi->u.hdr.stash->method[sizeof(wsi->u.hdr.stash->method) - 1] = '\0';
- wsi->u.hdr.stash->iface[sizeof(wsi->u.hdr.stash->iface) - 1] = '\0';
-
- if (i->pwsi)
- *i->pwsi = wsi;
-
- /* if we went on the waiting list, no probs just return the wsi
- * when we get the ah, now or later, he will call
- * lws_client_connect_via_info2() below.
- */
- if (lws_header_table_attach(wsi, 0) < 0) {
- /*
- * if we failed here, the connection is already closed
- * and freed.
- */
- goto bail1;
- }
-
- if (i->parent_wsi) {
- lwsl_info("%s: created child %p of parent %p\n", __func__,
- wsi, i->parent_wsi);
- wsi->parent = i->parent_wsi;
- wsi->sibling_list = i->parent_wsi->child_list;
- i->parent_wsi->child_list = wsi;
- }
-#ifdef LWS_WITH_HTTP_PROXY
- if (i->uri_replace_to)
- wsi->rw = lws_rewrite_create(wsi, html_parser_cb,
- i->uri_replace_from,
- i->uri_replace_to);
-#endif
-
- return wsi;
-
-bail:
- lws_free(wsi);
-
-bail1:
- if (i->pwsi)
- *i->pwsi = NULL;
-
- return NULL;
-}
-
-struct lws *
-lws_client_connect_via_info2(struct lws *wsi)
-{
- struct client_info_stash *stash = wsi->u.hdr.stash;
-
- if (!stash)
- return wsi;
-
- /*
- * we're not necessarily in a position to action these right away,
- * stash them... we only need during connect phase so u.hdr is fine
- */
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS,
- stash->address))
- goto bail1;
-
- /* these only need u.hdr lifetime as well */
-
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_URI, stash->path))
- goto bail1;
-
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_HOST, stash->host))
- goto bail1;
-
- if (stash->origin[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_ORIGIN,
- stash->origin))
- goto bail1;
- /*
- * this is a list of protocols we tell the server we're okay with
- * stash it for later when we compare server response with it
- */
- if (stash->protocol[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS,
- stash->protocol))
- goto bail1;
- if (stash->method[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_METHOD,
- stash->method))
- goto bail1;
- if (stash->iface[0])
- if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_IFACE,
- stash->iface))
- goto bail1;
-
-#if defined(LWS_WITH_SOCKS5)
- if (!wsi->vhost->socks_proxy_port)
- lws_free_set_NULL(wsi->u.hdr.stash);
-#endif
-
- /*
- * Check with each extension if it is able to route and proxy this
- * connection for us. For example, an extension like x-google-mux
- * can handle this and then we don't need an actual socket for this
- * connection.
- */
-
- if (lws_ext_cb_all_exts(wsi->context, wsi,
- LWS_EXT_CB_CAN_PROXY_CLIENT_CONNECTION,
- (void *)stash->address,
- wsi->c_port) > 0) {
- lwsl_client("lws_client_connect: ext handling conn\n");
-
- lws_set_timeout(wsi,
- PENDING_TIMEOUT_AWAITING_EXTENSION_CONNECT_RESPONSE,
- AWAITING_TIMEOUT);
-
- wsi->mode = LWSCM_WSCL_WAITING_EXTENSION_CONNECT;
- return wsi;
- }
- lwsl_client("lws_client_connect: direct conn\n");
- wsi->context->count_wsi_allocated++;
-
- return lws_client_connect_2(wsi);
-
-bail1:
-#if defined(LWS_WITH_SOCKS5)
- if (!wsi->vhost->socks_proxy_port)
- lws_free_set_NULL(wsi->u.hdr.stash);
-#endif
-
- return NULL;
-}
-
-LWS_VISIBLE struct lws *
-lws_client_connect_extended(struct lws_context *context, const char *address,
- int port, int ssl_connection, const char *path,
- const char *host, const char *origin,
- const char *protocol, int ietf_version_or_minus_one,
- void *userdata)
-{
- struct lws_client_connect_info i;
-
- memset(&i, 0, sizeof(i));
-
- i.context = context;
- i.address = address;
- i.port = port;
- i.ssl_connection = ssl_connection;
- i.path = path;
- i.host = host;
- i.origin = origin;
- i.protocol = protocol;
- i.ietf_version_or_minus_one = ietf_version_or_minus_one;
- i.userdata = userdata;
-
- return lws_client_connect_via_info(&i);
-}
-
-LWS_VISIBLE struct lws *
-lws_client_connect(struct lws_context *context, const char *address,
- int port, int ssl_connection, const char *path,
- const char *host, const char *origin,
- const char *protocol, int ietf_version_or_minus_one)
-{
- struct lws_client_connect_info i;
-
- memset(&i, 0, sizeof(i));
-
- i.context = context;
- i.address = address;
- i.port = port;
- i.ssl_connection = ssl_connection;
- i.path = path;
- i.host = host;
- i.origin = origin;
- i.protocol = protocol;
- i.ietf_version_or_minus_one = ietf_version_or_minus_one;
- i.userdata = NULL;
-
- return lws_client_connect_via_info(&i);
-}
-
-#if defined(LWS_WITH_SOCKS5)
-void socks_generate_msg(struct lws *wsi, enum socks_msg_type type,
- ssize_t *msg_len)
-{
- struct lws_context *context = wsi->context;
- struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
- ssize_t len = 0, n, passwd_len;
- short net_num;
- char *p;
-
- switch (type) {
- case SOCKS_MSG_GREETING:
- /* socks version, version 5 only */
- pt->serv_buf[len++] = SOCKS_VERSION_5;
- /* number of methods */
- pt->serv_buf[len++] = 2;
- /* username password method */
- pt->serv_buf[len++] = SOCKS_AUTH_USERNAME_PASSWORD;
- /* no authentication method */
- pt->serv_buf[len++] = SOCKS_AUTH_NO_AUTH;
- break;
-
- case SOCKS_MSG_USERNAME_PASSWORD:
- n = strlen(wsi->vhost->socks_user);
- passwd_len = strlen(wsi->vhost->socks_password);
-
- /* the subnegotiation version */
- pt->serv_buf[len++] = SOCKS_SUBNEGOTIATION_VERSION_1;
- /* length of the user name */
- pt->serv_buf[len++] = n;
- /* user name */
- strncpy((char *)&pt->serv_buf[len], wsi->vhost->socks_user,
- context->pt_serv_buf_size - len);
- len += n;
- /* length of the password */
- pt->serv_buf[len++] = passwd_len;
- /* password */
- strncpy((char *)&pt->serv_buf[len], wsi->vhost->socks_password,
- context->pt_serv_buf_size - len);
- len += passwd_len;
- break;
-
- case SOCKS_MSG_CONNECT:
- p = (char*)&net_num;
-
- /* socks version */
- pt->serv_buf[len++] = SOCKS_VERSION_5;
- /* socks command */
- pt->serv_buf[len++] = SOCKS_COMMAND_CONNECT;
- /* reserved */
- pt->serv_buf[len++] = 0;
- /* address type */
- pt->serv_buf[len++] = SOCKS_ATYP_DOMAINNAME;
- /* skip length, we fill it in at the end */
- n = len++;
-
- /* the address we tell SOCKS proxy to connect to */
- strncpy((char *)&(pt->serv_buf[len]), wsi->u.hdr.stash->address,
- context->pt_serv_buf_size - len);
- len += strlen(wsi->u.hdr.stash->address);
- net_num = htons(wsi->c_port);
-
- /* the port we tell SOCKS proxy to connect to */
- pt->serv_buf[len++] = p[0];
- pt->serv_buf[len++] = p[1];
-
- /* the length of the address, excluding port */
- pt->serv_buf[n] = strlen(wsi->u.hdr.stash->address);
- break;
-
- default:
- return;
- }
-
- *msg_len = len;
-}
-#endif