struct lws *wsi;
int m = 0;
+ (void)opt;
/* set up our external listening socket we serve on */
if (info->port == CONTEXT_PORT_NO_LISTEN || info->port == CONTEXT_PORT_NO_LISTEN_SERVER)
}
#if LWS_POSIX
+ (void)n;
#if defined(__linux__)
limit = vhost->context->count_threads;
#endif
#if defined(LWS_WITH_ESP8266)
sockfd = esp8266_create_tcp_listen_socket(vhost);
if (!lws_sockfd_valid(sockfd)) {
-
-#else
- sockfd = mbed3_create_tcp_stream_socket();
- if (!lws_sockfd_valid(sockfd)) {
#endif
#endif
lwsl_err("ERROR opening socket\n");
return 1;
}
+#if LWS_POSIX && !defined(LWS_WITH_ESP32)
+
+#if (defined(WIN32) || defined(_WIN32)) && defined(SO_EXCLUSIVEADDRUSE)
+ /*
+ * only accept that we are the only listener on the port
+ * https://msdn.microsoft.com/zh-tw/library/windows/desktop/ms740621(v=vs.85).aspx
+ *
+ * for lws, to match Linux, we default to exclusive listen
+ */
+ if (!lws_check_opt(vhost->options, LWS_SERVER_OPTION_ALLOW_LISTEN_SHARE)) {
+ if (setsockopt(sockfd, SOL_SOCKET, SO_EXCLUSIVEADDRUSE,
+ (const void *)&opt, sizeof(opt)) < 0) {
+ lwsl_err("reuseaddr failed\n");
+ compatible_close(sockfd);
+ return 1;
+ }
+ } else
+#endif
-#if LWS_POSIX
/*
* allow us to restart even if old sockets in TIME_WAIT
*/
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(const void *)&opt, sizeof(opt)) < 0) {
+ lwsl_err("reuseaddr failed\n");
compatible_close(sockfd);
return 1;
}
}
#endif
-#if defined(__linux__) && defined(SO_REUSEPORT) && LWS_MAX_SMP > 1
- if (vhost->context->count_threads > 1)
- if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEPORT,
- (const void *)&opt, sizeof(opt)) < 0) {
- compatible_close(sockfd);
- return 1;
- }
+#if defined(__linux__) && defined(SO_REUSEPORT)
+ n = lws_check_opt(vhost->options, LWS_SERVER_OPTION_ALLOW_LISTEN_SHARE);
+#if LWS_MAX_SMP > 1
+ n = 1;
+#endif
+
+ if (n)
+ if (vhost->context->count_threads > 1)
+ if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEPORT,
+ (const void *)&opt, sizeof(opt)) < 0) {
+ compatible_close(sockfd);
+ return 1;
+ }
#endif
#endif
lws_plat_set_socket_options(vhost, sockfd);
goto bail;
}
wsi->context = vhost->context;
- wsi->sock = sockfd;
+ wsi->desc.sockfd = sockfd;
wsi->mode = LWSCM_SERVER_LISTENER;
wsi->protocol = vhost->protocols;
wsi->tsi = m;
vhost->lserv_wsi = wsi;
#if LWS_POSIX
- n = listen(wsi->sock, LWS_SOMAXCONN);
+ n = listen(wsi->desc.sockfd, LWS_SOMAXCONN);
if (n < 0) {
lwsl_err("listen failed with error %d\n", LWS_ERRNO);
vhost->lserv_wsi = NULL;
} /* for each thread able to independently listen */
#else
#if defined(LWS_WITH_ESP8266)
- esp8266_tcp_stream_bind(wsi->sock, info->port, wsi);
-#else
- mbed3_tcp_stream_bind(wsi->sock, info->port, wsi);
+ esp8266_tcp_stream_bind(wsi->desc.sockfd, info->port, wsi);
#endif
#endif
if (!lws_check_opt(info->options, LWS_SERVER_OPTION_EXPLICIT_VHOSTS)) {
if (p)
colon = p - servername;
- /* first try exact matches */
+ /* Priotity 1: first try exact matches */
while (vhost) {
if (port == vhost->listen_port &&
}
/*
- * if no exact matches, try matching *.vhost-name
+ * Priority 2: if no exact matches, try matching *.vhost-name
* unintentional matches are possible but resolve to x.com for *.x.com
* which is reasonable. If exact match exists we already chose it and
* never reach here. SSL will still fail it if the cert doesn't allow
vhost = vhost->vhost_next;
}
- return NULL;
-}
+ /* Priority 3: match the first vhost on our port */
-LWS_VISIBLE LWS_EXTERN const struct lws_protocols *
-lws_vhost_name_to_protocol(struct lws_vhost *vh, const char *name)
-{
- int n;
+ vhost = context->vhost_list;
+ while (vhost) {
+ if (port == vhost->listen_port) {
+ lwsl_info("vhost match to %s based on port %d\n",
+ vhost->name, port);
+ return vhost;
+ }
+ vhost = vhost->vhost_next;
+ }
- for (n = 0; n < vh->count_protocols; n++)
- if (!strcmp(name, vh->protocols[n].name))
- return &vh->protocols[n];
+ /* no match */
return NULL;
}
if (!strcmp(&file[n - 4], ".ttf"))
return "application/x-font-ttf";
+ if (!strcmp(&file[n - 4], ".otf"))
+ return "application/font-woff";
+
if (!strcmp(&file[n - 5], ".woff"))
return "application/font-woff";
return NULL;
}
+static lws_fop_flags_t
+lws_vfs_prepare_flags(struct lws *wsi)
+{
+ lws_fop_flags_t f = 0;
+
+ if (!lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_ACCEPT_ENCODING))
+ return f;
+
+ if (strstr(lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_ACCEPT_ENCODING),
+ "gzip")) {
+ lwsl_info("client indicates GZIP is acceptable\n");
+ f |= LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP;
+ }
+
+ return f;
+}
static int
lws_http_serve(struct lws *wsi, char *uri, const char *origin,
struct lws_process_html_args args;
const char *mimetype;
#if !defined(_WIN32_WCE) && !defined(LWS_WITH_ESP8266)
+ const struct lws_plat_file_ops *fops;
+ const char *vpath;
+ lws_fop_flags_t fflags = LWS_O_RDONLY;
+#if defined(WIN32) && defined(LWS_HAVE__STAT32I64)
+ struct _stat32i64 st;
+#else
struct stat st;
+#endif
int spin = 0;
#endif
char path[256], sym[512];
unsigned char *p = (unsigned char *)sym + 32 + LWS_PRE, *start = p;
unsigned char *end = p + sizeof(sym) - 32 - LWS_PRE;
-#if !defined(WIN32) && LWS_POSIX
+#if !defined(WIN32) && LWS_POSIX && !defined(LWS_WITH_ESP32)
size_t len;
#endif
int n;
lws_snprintf(path, sizeof(path) - 1, "%s/%s", origin, uri);
#if !defined(_WIN32_WCE) && !defined(LWS_WITH_ESP8266)
+
+ fflags |= lws_vfs_prepare_flags(wsi);
+
do {
spin++;
+ fops = lws_vfs_select_fops(wsi->context->fops, path, &vpath);
+
+ if (wsi->u.http.fop_fd)
+ lws_vfs_file_close(&wsi->u.http.fop_fd);
+
+ wsi->u.http.fop_fd = fops->LWS_FOP_OPEN(wsi->context->fops,
+ path, vpath, &fflags);
+ if (!wsi->u.http.fop_fd) {
+ lwsl_err("Unable to open '%s'\n", path);
+ return -1;
+ }
+
+ /* if it can't be statted, don't try */
+ if (fflags & LWS_FOP_FLAG_VIRTUAL)
+ break;
+#if defined(LWS_WITH_ESP32)
+ break;
+#endif
+#if !defined(WIN32)
+ if (fstat(wsi->u.http.fop_fd->fd, &st)) {
+ lwsl_info("unable to stat %s\n", path);
+ goto bail;
+ }
+#else
+#if defined(LWS_HAVE__STAT32I64)
+ if (_stat32i64(path, &st)) {
+ lwsl_info("unable to stat %s\n", path);
+ goto bail;
+ }
+#else
if (stat(path, &st)) {
lwsl_info("unable to stat %s\n", path);
goto bail;
}
+#endif
+#endif
+
+ wsi->u.http.fop_fd->mod_time = (uint32_t)st.st_mtime;
+ fflags |= LWS_FOP_FLAG_MOD_TIME_VALID;
lwsl_debug(" %s mode %d\n", path, S_IFMT & st.st_mode);
-#if !defined(WIN32) && LWS_POSIX
+#if !defined(WIN32) && LWS_POSIX && !defined(LWS_WITH_ESP32)
if ((S_IFMT & st.st_mode) == S_IFLNK) {
len = readlink(path, sym, sizeof(sym) - 1);
if (len) {
if (spin == 5)
lwsl_err("symlink loop %s \n", path);
- n = sprintf(sym, "%08lX%08lX", (unsigned long)st.st_size,
- (unsigned long)st.st_mtime);
+ n = sprintf(sym, "%08llX%08lX",
+ (unsigned long long)lws_vfs_get_length(wsi->u.http.fop_fd),
+ (unsigned long)lws_vfs_get_mod_time(wsi->u.http.fop_fd));
/* disable ranges if IF_RANGE token invalid */
* he thinks he has some version of it already,
* check if the tag matches
*/
- if (!strcmp(sym, lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_IF_NONE_MATCH))) {
+ if (!strcmp(sym, lws_hdr_simple_ptr(wsi,
+ WSI_TOKEN_HTTP_IF_NONE_MATCH))) {
lwsl_debug("%s: ETAG match %s %s\n", __func__,
uri, origin);
/* we don't need to send the payload */
- if (lws_add_http_header_status(wsi, 304, &p, end))
+ if (lws_add_http_header_status(wsi,
+ HTTP_STATUS_NOT_MODIFIED, &p, end))
return -1;
if (lws_add_http_header_by_token(wsi,
return -1;
}
+ lws_vfs_file_close(&wsi->u.http.fop_fd);
+
return lws_http_transaction_completed(wsi);
}
}
if (n > (int)strlen(pvo->name) &&
!strcmp(&path[n - strlen(pvo->name)], pvo->name)) {
wsi->sending_chunked = 1;
- wsi->protocol_interpret_idx = (char)(long)pvo->value;
+ wsi->protocol_interpret_idx = (char)(lws_intptr_t)pvo->value;
lwsl_info("want %s interpreted by %s\n", path,
- wsi->vhost->protocols[(int)(long)(pvo->value)].name);
- wsi->protocol = &wsi->vhost->protocols[(int)(long)(pvo->value)];
+ wsi->vhost->protocols[(int)(lws_intptr_t)(pvo->value)].name);
+ wsi->protocol = &wsi->vhost->protocols[(int)(lws_intptr_t)(pvo->value)];
if (lws_ensure_user_space(wsi))
return -1;
break;
#endif
+int lws_clean_url(char *p)
+{
+ while (*p) {
+ if (p[0] == '/' && p[1] == '/') {
+ char *p1 = p;
+ while (*p1) {
+ *p1 = p1[1];
+ p1++;
+ }
+ continue;
+ }
+ p++;
+ }
+
+ return 0;
+}
+
int
lws_http_action(struct lws *wsi)
{
WSI_TOKEN_PUT_URI,
WSI_TOKEN_PATCH_URI,
WSI_TOKEN_DELETE_URI,
+ WSI_TOKEN_CONNECT,
#ifdef LWS_USE_HTTP2
WSI_TOKEN_HTTP_COLON_PATH,
#endif
};
#if defined(_DEBUG) || defined(LWS_WITH_ACCESS_LOG)
static const char * const method_names[] = {
- "GET", "POST", "OPTIONS", "PUT", "PATCH", "DELETE",
+ "GET", "POST", "OPTIONS", "PUT", "PATCH", "DELETE", "CONNECT",
#ifdef LWS_USE_HTTP2
":path",
#endif
lws_hdr_copy(wsi, content_length_str,
sizeof(content_length_str) - 1,
WSI_TOKEN_HTTP_CONTENT_LENGTH);
- wsi->u.http.content_length = atoi(content_length_str);
+ wsi->u.http.content_length = atoll(content_length_str);
}
if (wsi->http2_substream) {
"%s%s%s/", oprot[lws_is_ssl(wsi)],
lws_hdr_simple_ptr(wsi, WSI_TOKEN_HOST),
uri_ptr);
+ lws_clean_url((char *)end);
n = lws_http_redirect(wsi, HTTP_STATUS_MOVED_PERMANENTLY,
end, n, &p, end);
}
#endif
+#if defined(LWS_WITH_HTTP_PROXY)
+ /*
+ * The mount is a reverse proxy?
+ */
+
+ if (hit->origin_protocol == LWSMPRO_HTTPS ||
+ hit->origin_protocol == LWSMPRO_HTTP) {
+ struct lws_client_connect_info i;
+ char ads[96], rpath[256], *pcolon, *pslash, *p;
+ int n, na;
+
+ memset(&i, 0, sizeof(i));
+ i.context = lws_get_context(wsi);
+
+ pcolon = strchr(hit->origin, ':');
+ pslash = strchr(hit->origin, '/');
+ if (!pslash) {
+ lwsl_err("Proxy mount origin '%s' must have /\n", hit->origin);
+ return -1;
+ }
+ if (pcolon > pslash)
+ pcolon = NULL;
+
+ if (pcolon)
+ n = pcolon - hit->origin;
+ else
+ n = pslash - hit->origin;
+
+ if (n >= sizeof(ads) - 2)
+ n = sizeof(ads) - 2;
+
+ memcpy(ads, hit->origin, n);
+ ads[n] = '\0';
+
+ i.address = ads;
+ i.port = 80;
+ if (hit->origin_protocol == LWSMPRO_HTTPS) {
+ i.port = 443;
+ i.ssl_connection = 1;
+ }
+ if (pcolon)
+ i.port = atoi(pcolon + 1);
+
+ lws_snprintf(rpath, sizeof(rpath) - 1, "/%s/%s", pslash + 1, uri_ptr + hit->mountpoint_len);
+ lws_clean_url(rpath);
+ na = lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_URI_ARGS);
+ if (na) {
+ p = rpath + strlen(rpath);
+ *p++ = '?';
+ lws_hdr_copy(wsi, p, &rpath[sizeof(rpath) - 1] - p, WSI_TOKEN_HTTP_URI_ARGS);
+ while (--na) {
+ if (*p == '\0')
+ *p = '&';
+ p++;
+ }
+ }
+
+
+ i.path = rpath;
+ i.host = i.address;
+ i.origin = NULL;
+ i.method = "GET";
+ i.parent_wsi = wsi;
+ i.uri_replace_from = hit->origin;
+ i.uri_replace_to = hit->mountpoint;
+
+ lwsl_notice("proxying to %s port %d url %s, ssl %d, from %s, to %s\n",
+ i.address, i.port, i.path, i.ssl_connection, i.uri_replace_from, i.uri_replace_to);
+
+ if (!lws_client_connect_via_info(&i)) {
+ lwsl_err("proxy connect fail\n");
+ return 1;
+ }
+
+ return 0;
+ }
+#endif
+
/*
* A particular protocol callback is mounted here?
*
NULL, /* replace with cgi path */
NULL
};
- unsigned char *p, *end, buffer[1024];
lwsl_debug("%s: cgi\n", __func__);
cmd[0] = hit->origin;
lwsl_err("%s: cgi failed\n", __func__);
return -1;
}
- p = buffer + LWS_PRE;
- end = p + sizeof(buffer) - LWS_PRE;
-
- if (lws_add_http_header_status(wsi, 200, &p, end))
- return 1;
- if (lws_add_http_header_by_token(wsi, WSI_TOKEN_CONNECTION,
- (unsigned char *)"close", 5, &p, end))
- return 1;
- n = lws_write(wsi, buffer + LWS_PRE,
- p - (buffer + LWS_PRE),
- LWS_WRITE_HTTP_HEADERS);
goto deal_body;
}
bail_nuke_ah:
/* we're closing, losing some rx is OK */
- wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
+ lws_header_table_force_to_detachable_state(wsi);
// lwsl_notice("%s: drop1\n", __func__);
lws_header_table_detach(wsi, 1);
}
int
-lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p)
-{
-// if (wsi->protocol == p)
-// return 0;
-
- if (wsi->protocol)
- wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_DROP_PROTOCOL,
- wsi->user_space, NULL, 0);
- if (!wsi->user_space_externally_allocated)
- lws_free_set_NULL(wsi->user_space);
-
- wsi->protocol = p;
- if (!p)
- return 0;
-
- if (lws_ensure_user_space(wsi))
- return 1;
-
- if (wsi->protocol->callback(wsi, LWS_CALLBACK_HTTP_BIND_PROTOCOL,
- wsi->user_space, NULL, 0))
- return 1;
-
- return 0;
-}
-
-
-int
lws_handshake_server(struct lws *wsi, unsigned char **buf, size_t len)
{
+ int protocol_len, n = 0, hit, non_space_char_found = 0, m;
struct lws_context *context = lws_get_context(wsi);
struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
struct _lws_header_related hdr;
struct allocated_headers *ah;
- int protocol_len, n = 0, hit, non_space_char_found = 0;
+ unsigned char *obuf = *buf;
char protocol_list[128];
char protocol_name[64];
+ size_t olen = len;
char *p;
if (len >= 10000000) {
goto bail_nuke_ah;
}
- if (lws_parse(wsi, *(*buf)++)) {
+ m = lws_parse(wsi, *(*buf)++);
+ if (m) {
+ if (m == 2) {
+ /*
+ * we are transitioning from http with
+ * an AH, to raw. Drop the ah and set
+ * the mode.
+ */
+raw_transition:
+ lws_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
+ lws_bind_protocol(wsi, &wsi->vhost->protocols[
+ wsi->vhost->
+ raw_protocol_index]);
+ lwsl_info("transition to raw vh %s prot %d\n",
+ wsi->vhost->name,
+ wsi->vhost->raw_protocol_index);
+ if ((wsi->protocol->callback)(wsi,
+ LWS_CALLBACK_RAW_ADOPT,
+ wsi->user_space, NULL, 0))
+ goto bail_nuke_ah;
+
+ lws_header_table_force_to_detachable_state(wsi);
+ lws_union_transition(wsi, LWSCM_RAW);
+ lws_header_table_detach(wsi, 1);
+
+ if (m == 2 && (wsi->protocol->callback)(wsi,
+ LWS_CALLBACK_RAW_RX,
+ wsi->user_space, obuf, olen))
+ return 1;
+
+ return 0;
+ }
lwsl_info("lws_parse failed\n");
goto bail_nuke_ah;
}
wsi->conn_stat_done = 1;
}
+ if (lws_hdr_total_length(wsi, WSI_TOKEN_CONNECT)) {
+ lwsl_info("Changing to RAW mode\n");
+ m = 0;
+ goto raw_transition;
+ }
+
wsi->mode = LWSCM_PRE_WS_SERVING_ACCEPT;
lws_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
lws_union_transition(wsi, LWSCM_HTTP_SERVING_ACCEPTED);
wsi->state = LWSS_HTTP;
- wsi->u.http.fd = LWS_INVALID_FILE;
+ wsi->u.http.fop_fd = NULL;
/* expose it at the same offset as u.hdr */
wsi->u.http.ah = ah;
*/
lwsl_info("defaulting to prot handler %d\n",
wsi->vhost->default_protocol_index);
- n = 0;
+ n = wsi->vhost->default_protocol_index;
wsi->protocol = &wsi->vhost->protocols[
(int)wsi->vhost->default_protocol_index];
}
goto bail_nuke_ah;
}
- /*
- * stitch protocol choice into the vh protocol linked list
- * We always insert ourselves at the start of the list
- *
- * X <-> B
- * X <-> pAn <-> pB
- */
- //lwsl_err("%s: pre insert vhost start wsi %p, that wsi prev == %p\n",
- // __func__,
- // wsi->vhost->same_vh_protocol_list[n],
- // wsi->same_vh_protocol_prev);
- wsi->same_vh_protocol_prev = /* guy who points to us */
- &wsi->vhost->same_vh_protocol_list[n];
- wsi->same_vh_protocol_next = /* old first guy is our next */
- wsi->vhost->same_vh_protocol_list[n];
- /* we become the new first guy */
- wsi->vhost->same_vh_protocol_list[n] = wsi;
-
- if (wsi->same_vh_protocol_next)
- /* old first guy points back to us now */
- wsi->same_vh_protocol_next->same_vh_protocol_prev =
- &wsi->same_vh_protocol_next;
-
-
+ lws_same_vh_protocol_insert(wsi, n);
/* we are upgrading to ws, so http/1.1 and keepalive +
* pipelined header considerations about keeping the ah around
}
wsi->u.ws.rx_ubuf_alloc = n;
lwsl_debug("Allocating RX buffer %d\n", n);
-#if LWS_POSIX
- if (setsockopt(wsi->sock, SOL_SOCKET, SO_SNDBUF,
+#if LWS_POSIX && !defined(LWS_WITH_ESP32)
+ if (setsockopt(wsi->desc.sockfd, SOL_SOCKET, SO_SNDBUF,
(const char *)&n, sizeof n)) {
lwsl_warn("Failed to set SNDBUF to %d", n);
return 1;
/* !!! drop ah unreservedly after ESTABLISHED */
if (!wsi->more_rx_waiting) {
- wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
+ lws_header_table_force_to_detachable_state(wsi);
//lwsl_notice("%p: dropping ah EST\n", wsi);
lws_header_table_detach(wsi, 1);
bail_nuke_ah:
/* drop the header info */
/* we're closing, losing some rx is OK */
- wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
+ lws_header_table_force_to_detachable_state(wsi);
//lwsl_notice("%s: drop2\n", __func__);
lws_header_table_detach(wsi, 1);
}
new_wsi->tsi = n;
- lwsl_notice("Accepted wsi %p to context %p, tsi %d\n", new_wsi,
+ lwsl_debug("Accepted wsi %p to context %p, tsi %d\n", new_wsi,
vhost->context, new_wsi->tsi);
new_wsi->vhost = vhost;
new_wsi->protocol = vhost->protocols;
new_wsi->user_space = NULL;
new_wsi->ietf_spec_revision = 0;
- new_wsi->sock = LWS_SOCK_INVALID;
+ new_wsi->desc.sockfd = LWS_SOCK_INVALID;
vhost->context->count_wsi_allocated++;
/*
lws_access_log(wsi);
- lwsl_info("%s: wsi %p\n", __func__, wsi);
+ if (!wsi->hdr_parsing_completed) {
+ lwsl_notice("%s: ignoring, ah parsing incomplete\n", __func__);
+ return 0;
+ }
+
+ lwsl_notice("%s: wsi %p\n", __func__, wsi);
/* if we can't go back to accept new headers, drop the connection */
if (wsi->u.http.connection_type != HTTP_CONNECTION_KEEP_ALIVE) {
lwsl_info("%s: %p: close connection\n", __func__, wsi);
wsi->more_rx_waiting);
if (!wsi->more_rx_waiting) {
- wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
+ lws_header_table_force_to_detachable_state(wsi);
lws_header_table_detach(wsi, 1);
+#ifdef LWS_OPENSSL_SUPPORT
+ /*
+ * additionally... if we are hogging an SSL instance
+ * with no pending pipelined headers (or ah now), and
+ * SSL is scarce, drop this connection without waiting
+ */
+
+ if (wsi->vhost->use_ssl &&
+ wsi->context->simultaneous_ssl_restriction &&
+ wsi->context->simultaneous_ssl ==
+ wsi->context->simultaneous_ssl_restriction) {
+ lwsl_info("%s: simultaneous_ssl_restriction and nothing pipelined\n", __func__);
+ return 1;
+ }
+#endif
} else
lws_header_table_reset(wsi, 1);
}
return 0;
}
+/* if not a socket, it's a raw, non-ssl file descriptor */
+
LWS_VISIBLE struct lws *
-lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd)
+lws_adopt_descriptor_vhost(struct lws_vhost *vh, lws_adoption_type type,
+ lws_sock_file_fd_type fd, const char *vh_prot_name,
+ struct lws *parent)
{
struct lws_context *context = vh->context;
struct lws *new_wsi = lws_create_new_server_wsi(vh);
+ struct lws_context_per_thread *pt;
+ int n, ssl = 0;
if (!new_wsi) {
- compatible_close(accept_fd);
+ if (type & LWS_ADOPT_SOCKET)
+ compatible_close(fd.sockfd);
return NULL;
}
+ pt = &context->pt[(int)new_wsi->tsi];
+ lws_stats_atomic_bump(context, pt, LWSSTATS_C_CONNECTIONS, 1);
+
+ if (parent) {
+ new_wsi->parent = parent;
+ new_wsi->sibling_list = parent->child_list;
+ parent->child_list = new_wsi;
+ }
+
+ new_wsi->desc = fd;
- //lwsl_notice("%s: new wsi %p, sockfd %d, cb %p\n", __func__, new_wsi, accept_fd, context->vhost_list->protocols[0].callback);
+ if (vh_prot_name) {
+ new_wsi->protocol = lws_vhost_name_to_protocol(new_wsi->vhost,
+ vh_prot_name);
+ if (!new_wsi->protocol) {
+ lwsl_err("Protocol %s not enabled on vhost %s\n",
+ vh_prot_name, new_wsi->vhost->name);
+ goto bail;
+ }
+ if (lws_ensure_user_space(new_wsi)) {
+ lwsl_notice("OOM trying to get user_space\n");
+ goto bail;
+ }
+ } else
+ if (type & LWS_ADOPT_HTTP) /* he will transition later */
+ new_wsi->protocol =
+ &vh->protocols[vh->default_protocol_index];
+ else { /* this is the only time he will transition */
+ lws_bind_protocol(new_wsi,
+ &vh->protocols[vh->raw_protocol_index]);
+ lws_union_transition(new_wsi, LWSCM_RAW);
+ }
- new_wsi->sock = accept_fd;
+ if (type & LWS_ADOPT_SOCKET) { /* socket desc */
+ lwsl_debug("%s: new wsi %p, sockfd %d\n", __func__, new_wsi,
+ (int)(lws_intptr_t)fd.sockfd);
- /* the transport is accepted... give him time to negotiate */
- lws_set_timeout(new_wsi, PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
- context->timeout_secs);
+ if (type & LWS_ADOPT_HTTP)
+ /* the transport is accepted...
+ * give him time to negotiate */
+ lws_set_timeout(new_wsi,
+ PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
+ context->timeout_secs);
#if LWS_POSIX == 0
#if defined(LWS_WITH_ESP8266)
- esp8266_tcp_stream_accept(accept_fd, new_wsi);
-#else
- mbed3_tcp_stream_accept(accept_fd, new_wsi);
+ esp8266_tcp_stream_accept(accept_fd, new_wsi);
#endif
#endif
+ } else /* file desc */
+ lwsl_debug("%s: new wsi %p, filefd %d\n", __func__, new_wsi,
+ (int)(lws_intptr_t)fd.filefd);
+
/*
* A new connection was accepted. Give the user a chance to
* set properties of the newly created wsi. There's no protocol
- * selected yet so we issue this to protocols[0]
+ * selected yet so we issue this to the vhosts's default protocol,
+ * itself by default protocols[0]
*/
- if ((context->vhost_list->protocols[0].callback)(new_wsi,
- LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED, NULL, NULL, 0)) {
- /* force us off the timeout list by hand */
- lws_set_timeout(new_wsi, NO_PENDING_TIMEOUT, 0);
- compatible_close(new_wsi->sock);
- lws_free(new_wsi);
- return NULL;
+ n = LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED;
+ if (!(type & LWS_ADOPT_HTTP)) {
+ if (!(type & LWS_ADOPT_SOCKET))
+ n = LWS_CALLBACK_RAW_ADOPT_FILE;
+ else
+ n = LWS_CALLBACK_RAW_ADOPT;
+ }
+
+ if (!LWS_SSL_ENABLED(new_wsi->vhost) || !(type & LWS_ADOPT_ALLOW_SSL) ||
+ !(type & LWS_ADOPT_SOCKET)) {
+ /* non-SSL */
+ if (!(type & LWS_ADOPT_HTTP)) {
+ if (!(type & LWS_ADOPT_SOCKET))
+ new_wsi->mode = LWSCM_RAW_FILEDESC;
+ else
+ new_wsi->mode = LWSCM_RAW;
+ }
+ } else {
+ /* SSL */
+ if (!(type & LWS_ADOPT_HTTP))
+ new_wsi->mode = LWSCM_SSL_INIT_RAW;
+ else
+ new_wsi->mode = LWSCM_SSL_INIT;
+
+ ssl = 1;
}
- lws_libev_accept(new_wsi, new_wsi->sock);
- lws_libuv_accept(new_wsi, new_wsi->sock);
+ lws_libev_accept(new_wsi, new_wsi->desc);
+ lws_libuv_accept(new_wsi, new_wsi->desc);
+ lws_libevent_accept(new_wsi, new_wsi->desc);
- if (!LWS_SSL_ENABLED(new_wsi->vhost)) {
+ if (!ssl) {
if (insert_wsi_socket_into_fds(context, new_wsi)) {
lwsl_err("%s: fail inserting socket\n", __func__);
goto fail;
}
- } else {
- new_wsi->mode = LWSCM_SSL_INIT;
- if (lws_server_socket_service_ssl(new_wsi, accept_fd)) {
+ } else
+ if (lws_server_socket_service_ssl(new_wsi, fd.sockfd)) {
lwsl_err("%s: fail ssl negotiation\n", __func__);
goto fail;
}
- }
- if (!lws_header_table_attach(new_wsi, 0))
- lwsl_debug("Attached ah immediately\n");
+ /*
+ * by deferring callback to this point, after insertion to fds,
+ * lws_callback_on_writable() can work from the callback
+ */
+ if ((new_wsi->protocol->callback)(
+ new_wsi, n, new_wsi->user_space, NULL, 0))
+ goto fail;
+
+ if (type & LWS_ADOPT_HTTP) {
+ if (!lws_header_table_attach(new_wsi, 0)) {
+ lwsl_debug("Attached ah immediately\n");
+ } else {
+ lwsl_notice("%s: waiting for ah\n", __func__);
+ }
+ }
return new_wsi;
fail:
- lws_close_free_wsi(new_wsi, LWS_CLOSE_STATUS_NOSTATUS);
+ if (type & LWS_ADOPT_SOCKET)
+ lws_close_free_wsi(new_wsi, LWS_CLOSE_STATUS_NOSTATUS);
+
+ return NULL;
+
+bail:
+ lwsl_notice("%s: exiting on bail\n", __func__);
+ if (parent)
+ parent->child_list = new_wsi->sibling_list;
+ if (new_wsi->user_space)
+ lws_free(new_wsi->user_space);
+ lws_free(new_wsi);
+ compatible_close(fd.sockfd);
return NULL;
}
LWS_VISIBLE struct lws *
+lws_adopt_socket_vhost(struct lws_vhost *vh, lws_sockfd_type accept_fd)
+{
+ lws_sock_file_fd_type fd;
+
+ fd.sockfd = accept_fd;
+ return lws_adopt_descriptor_vhost(vh, LWS_ADOPT_SOCKET |
+ LWS_ADOPT_HTTP | LWS_ADOPT_ALLOW_SSL, fd, NULL, NULL);
+}
+
+LWS_VISIBLE struct lws *
lws_adopt_socket(struct lws_context *context, lws_sockfd_type accept_fd)
{
return lws_adopt_socket_vhost(context->vhost_list, accept_fd);
struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
lws_sockfd_type accept_fd = LWS_SOCK_INVALID;
struct allocated_headers *ah;
+ lws_sock_file_fd_type fd;
+ int opts = LWS_ADOPT_SOCKET | LWS_ADOPT_ALLOW_SSL;
#if LWS_POSIX
- struct sockaddr_in cli_addr;
+ struct sockaddr_storage cli_addr;
socklen_t clilen;
#endif
int n, len;
case LWSCM_HTTP_SERVING:
case LWSCM_HTTP_SERVING_ACCEPTED:
case LWSCM_HTTP2_SERVING:
+ case LWSCM_RAW:
/* handle http headers coming in */
goto try_pollout;
}
#endif
+
/* these states imply we MUST have an ah attached */
- if (wsi->state == LWSS_HTTP ||
+ if (wsi->mode != LWSCM_RAW && (wsi->state == LWSS_HTTP ||
wsi->state == LWSS_HTTP_ISSUING_FILE ||
- wsi->state == LWSS_HTTP_HEADERS) {
+ wsi->state == LWSS_HTTP_HEADERS)) {
if (!wsi->u.hdr.ah) {
//lwsl_err("wsi %p: missing ah\n", wsi);
/* no autoservice beacuse we will do it next */
if (lws_header_table_attach(wsi, 0)) {
- lwsl_err("wsi %p: failed to acquire ah\n", wsi);
+ lwsl_info("wsi %p: failed to acquire ah\n", wsi);
goto try_pollout;
}
}
ah->rxlen = ah->rxpos = 0;
goto try_pollout;
}
+
+ /*
+ * make sure ah does not get detached if we
+ * have live data in the rx
+ */
+ if (ah->rxlen)
+ wsi->more_rx_waiting = 1;
}
if (!(ah->rxpos != ah->rxlen && ah->rxlen)) {
}
/* just ignore incoming if waiting for close */
- if (wsi->state != LWSS_FLUSHING_STORED_SEND_BEFORE_CLOSE) {
+ if (wsi->state != LWSS_FLUSHING_STORED_SEND_BEFORE_CLOSE &&
+ wsi->state != LWSS_HTTP_ISSUING_FILE) {
n = lws_read(wsi, ah->rx + ah->rxpos,
ah->rxlen - ah->rxpos);
if (n < 0) /* we closed wsi */
lwsl_debug("%s: wsi %p: ah read rxpos %d, rxlen %d\n", __func__, wsi, wsi->u.hdr.ah->rxpos, wsi->u.hdr.ah->rxlen);
- if (wsi->u.hdr.ah->rxpos == wsi->u.hdr.ah->rxlen &&
+ if (lws_header_table_is_in_detachable_state(wsi) &&
(wsi->mode != LWSCM_HTTP_SERVING &&
wsi->mode != LWSCM_HTTP_SERVING_ACCEPTED &&
wsi->mode != LWSCM_HTTP2_SERVING))
len = lws_ssl_capable_read(wsi, pt->serv_buf,
context->pt_serv_buf_size);
- lwsl_notice("%s: wsi %p read %d\r\n", __func__, wsi, len);
+ lwsl_debug("%s: wsi %p read %d\r\n", __func__, wsi, len);
switch (len) {
case 0:
lwsl_info("%s: read 0 len\n", __func__);
goto try_pollout;
}
+ if (wsi->mode == LWSCM_RAW) {
+ n = user_callback_handle_rxflow(wsi->protocol->callback,
+ wsi, LWS_CALLBACK_RAW_RX,
+ wsi->user_space, pt->serv_buf, len);
+ if (n < 0) {
+ lwsl_info("LWS_CALLBACK_RAW_RX_fail\n");
+ goto fail;
+ }
+ goto try_pollout;
+ }
+
/* just ignore incoming if waiting for close */
- if (wsi->state != LWSS_FLUSHING_STORED_SEND_BEFORE_CLOSE) {
+ if (wsi->state != LWSS_FLUSHING_STORED_SEND_BEFORE_CLOSE &&
+ wsi->state != LWSS_HTTP_ISSUING_FILE) {
/*
* this may want to send
* (via HTTP callback for example)
goto fail;
}
+ if (wsi->mode == LWSCM_RAW) {
+ lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITEABLE_CB, 1);
+#if defined(LWS_WITH_STATS)
+ {
+ uint64_t ul = time_in_microseconds() - wsi->active_writable_req_us;
+
+ lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_MS_WRITABLE_DELAY, ul);
+ lws_stats_atomic_max(wsi->context, pt, LWSSTATS_MS_WORST_WRITABLE_DELAY, ul);
+ wsi->active_writable_req_us = 0;
+ }
+#endif
+ n = user_callback_handle_rxflow(wsi->protocol->callback,
+ wsi, LWS_CALLBACK_RAW_WRITEABLE,
+ wsi->user_space, NULL, 0);
+ if (n < 0) {
+ lwsl_info("writeable_fail\n");
+ goto fail;
+ }
+ break;
+ }
+
if (!wsi->hdr_parsing_completed)
break;
if (wsi->state != LWSS_HTTP_ISSUING_FILE) {
+
+ lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_WRITEABLE_CB, 1);
+#if defined(LWS_WITH_STATS)
+ {
+ uint64_t ul = time_in_microseconds() - wsi->active_writable_req_us;
+
+ lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_MS_WRITABLE_DELAY, ul);
+ lws_stats_atomic_max(wsi->context, pt, LWSSTATS_MS_WORST_WRITABLE_DELAY, ul);
+ wsi->active_writable_req_us = 0;
+ }
+#endif
+
n = user_callback_handle_rxflow(wsi->protocol->callback,
wsi, LWS_CALLBACK_HTTP_WRITEABLE,
wsi->user_space, NULL, 0);
break;
}
- /* >0 == completion, <0 == error */
+ /* >0 == completion, <0 == error
+ *
+ * We'll get a LWS_CALLBACK_HTTP_FILE_COMPLETION callback when
+ * it's done. That's the case even if we just completed the
+ * send, so wait for that.
+ */
n = lws_serve_http_file_fragment(wsi);
- if (n < 0 || (n > 0 && lws_http_transaction_completed(wsi))) {
- lwsl_info("completed\n");
+ if (n < 0)
goto fail;
- }
break;
if (!(pollfd->revents & LWS_POLLIN) || !(pollfd->events & LWS_POLLIN))
break;
+#ifdef LWS_OPENSSL_SUPPORT
+ /*
+ * can we really accept it, with regards to SSL limit?
+ * another vhost may also have had POLLIN on his listener this
+ * round and used it up already
+ */
+
+ if (wsi->vhost->use_ssl &&
+ context->simultaneous_ssl_restriction &&
+ context->simultaneous_ssl ==
+ context->simultaneous_ssl_restriction)
+ /* no... ignore it, he won't come again until we are
+ * below the simultaneous_ssl_restriction limit and
+ * POLLIN is enabled on him again
+ */
+ break;
+#endif
/* listen socket got an unencrypted connection... */
clilen = sizeof(cli_addr);
if (accept_fd < 0) {
if (LWS_ERRNO == LWS_EAGAIN ||
LWS_ERRNO == LWS_EWOULDBLOCK) {
- lwsl_err("accept asks to try again\n");
+// lwsl_err("accept asks to try again\n");
break;
}
lwsl_err("ERROR on accept: %s\n", strerror(LWS_ERRNO));
lws_plat_set_socket_options(wsi->vhost, accept_fd);
- lwsl_debug("accepted new conn port %u on fd=%d\n",
- ntohs(cli_addr.sin_port), accept_fd);
+#if defined(LWS_USE_IPV6)
+ lwsl_debug("accepted new conn port %u on fd=%d\n",
+ ((cli_addr.ss_family == AF_INET6) ?
+ ntohs(((struct sockaddr_in6 *) &cli_addr)->sin6_port) :
+ ntohs(((struct sockaddr_in *) &cli_addr)->sin_port)),
+ accept_fd);
+#else
+ lwsl_debug("accepted new conn port %u on fd=%d\n",
+ ntohs(((struct sockaddr_in *) &cli_addr)->sin_port),
+ accept_fd);
+#endif
#else
/* not very beautiful... */
*/
if ((wsi->vhost->protocols[0].callback)(wsi,
LWS_CALLBACK_FILTER_NETWORK_CONNECTION,
- NULL, (void *)(long)accept_fd, 0)) {
+ NULL, (void *)(lws_intptr_t)accept_fd, 0)) {
lwsl_debug("Callback denied network connection\n");
compatible_close(accept_fd);
break;
}
- if (!lws_adopt_socket_vhost(wsi->vhost, accept_fd))
+ if (!(wsi->vhost->options & LWS_SERVER_OPTION_ONLY_RAW))
+ opts |= LWS_ADOPT_HTTP;
+
+ fd.sockfd = accept_fd;
+ if (!lws_adopt_descriptor_vhost(wsi->vhost, opts, fd,
+ NULL, NULL))
/* already closed cleanly as necessary */
return 1;
unsigned char *response = pt->serv_buf + LWS_PRE;
unsigned char *p = response;
unsigned char *end = p + context->pt_serv_buf_size - LWS_PRE;
- unsigned long computed_total_content_length;
- int ret = 0, cclen = 8, n = HTTP_STATUS_OK, fflags = O_RDONLY;
+ lws_filepos_t computed_total_content_length;
+ int ret = 0, cclen = 8, n = HTTP_STATUS_OK;
+ lws_fop_flags_t fflags = LWS_O_RDONLY;
#if defined(LWS_WITH_RANGES)
int ranges;
#endif
+ const struct lws_plat_file_ops *fops;
+ const char *vpath;
- if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_ACCEPT_ENCODING)) {
- char *accept = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP_ACCEPT_ENCODING);
- if (strstr(accept, "gzip") && strstr(accept, "deflate")) {
- lwsl_debug("client indicates GZIP is acceptable\n");
- fflags |= LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP;
- }
- }
-
- wsi->u.http.fd = lws_plat_file_open(wsi, file, &wsi->u.http.filelen,
- &fflags);
- if (wsi->u.http.fd == LWS_INVALID_FILE) {
- lwsl_err("Unable to open '%s'\n", file);
+ /*
+ * We either call the platform fops .open with first arg platform fops,
+ * or we call fops_zip .open with first arg platform fops, and fops_zip
+ * open will decide whether to switch to fops_zip or stay with fops_def.
+ *
+ * If wsi->u.http.fop_fd is already set, the caller already opened it
+ */
+ if (!wsi->u.http.fop_fd) {
+ fops = lws_vfs_select_fops(wsi->context->fops, file, &vpath);
+ fflags |= lws_vfs_prepare_flags(wsi);
+ wsi->u.http.fop_fd = fops->LWS_FOP_OPEN(wsi->context->fops,
+ file, vpath, &fflags);
+ if (!wsi->u.http.fop_fd) {
+ lwsl_err("Unable to open '%s'\n", file);
- return -1;
+ return -1;
+ }
}
+ wsi->u.http.filelen = lws_vfs_get_length(wsi->u.http.fop_fd);
computed_total_content_length = wsi->u.http.filelen;
#if defined(LWS_WITH_RANGES)
if (lws_http_transaction_completed(wsi))
return -1; /* <0 means just hang up */
+ lws_vfs_file_close(&wsi->u.http.fop_fd);
+
return 0; /* == 0 means we dealt with the transaction complete */
}
if (ranges)
if (lws_add_http_header_status(wsi, n, &p, end))
return -1;
- if ((fflags & (LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP |
+ if ((wsi->u.http.fop_fd->flags & (LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP |
LWS_FOP_FLAG_COMPR_IS_GZIP)) ==
(LWS_FOP_FLAG_COMPR_ACCEPTABLE_GZIP | LWS_FOP_FLAG_COMPR_IS_GZIP)) {
if (lws_add_http_header_by_token(wsi,
WSI_TOKEN_HTTP_CONTENT_ENCODING,
(unsigned char *)"gzip", 4, &p, end))
return -1;
- lwsl_debug("file is being provided in gzip\n");
+ lwsl_info("file is being provided in gzip\n");
}
#if defined(LWS_WITH_RANGES)
* Precompute it for the main response header
*/
- computed_total_content_length = (unsigned long)rp->agg +
+ computed_total_content_length = (lws_filepos_t)rp->agg +
6 /* final _lws\r\n */;
lws_ranges_reset(rp);
}
if (ranges == 1) {
- computed_total_content_length = (unsigned long)rp->agg;
+ computed_total_content_length = (lws_filepos_t)rp->agg;
n = lws_snprintf(cache_control, sizeof(cache_control), "bytes %llu-%llu/%llu",
rp->start, rp->end, rp->extent);
}
if (wsi->u.ws.rx_draining_ext) {
+ // lwsl_notice("draining with 0\n");
m = lws_rx_sm(wsi, 0);
if (m < 0)
return -1;
wsi->rxflow_pos++;
/* consume payload bytes efficiently */
- if (wsi->lws_rx_parse_state ==
+ if (
+ wsi->lws_rx_parse_state ==
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED) {
m = lws_payload_until_length_exhausted(wsi, buf, &len);
if (wsi->rxflow_buffer)
{
if (lws_check_opt(info->options, LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME))
return;
-#if LWS_POSIX
+#if LWS_POSIX && !defined(LWS_WITH_ESP32)
/* find canonical hostname */
gethostname((char *)context->canonical_hostname,
sizeof(context->canonical_hostname) - 1);
char *storage;
char *end;
int max_storage;
+
+ char finalized;
};
static int
if (!spa->param_length)
goto bail5;
- lwsl_notice("%s: Created SPA %p\n", __func__, spa);
+ lwsl_info("%s: Created SPA %p\n", __func__, spa);
return spa;
lwsl_err("%s: NULL spa\n", __func__);
return -1;
}
+ /* we reject any junk after the last part arrived and we finalized */
+ if (ludspa->finalized)
+ return 0;
+
return lws_urldecode_s_process(ludspa->s, in, len);
}
spa->s = NULL;
}
+ spa->finalized = 1;
+
return 0;
}
if (spa->s)
lws_urldecode_s_destroy(spa->s);
- lwsl_debug("%s\n", __func__);
+ lwsl_debug("%s %p %p %p %p\n", __func__,
+ spa->param_length,
+ spa->params,
+ spa->storage,
+ spa
+ );
lws_free(spa->param_length);
lws_free(spa->params);
return n;
}
+#if 0
+LWS_VISIBLE LWS_EXTERN int
+lws_spa_destroy(struct lws_spa *spa)
+{
+ int n = 0;
+
+ lwsl_info("%s: destroy spa %p\n", __func__, spa);
+
+ if (spa->s)
+ lws_urldecode_s_destroy(spa->s);
+
+ lwsl_debug("%s\n", __func__);
+
+ lws_free(spa->param_length);
+ lws_free(spa->params);
+ lws_free(spa->storage);
+ lws_free(spa);
+
+ return n;
+}
+#endif
LWS_VISIBLE LWS_EXTERN int
lws_chunked_html_process(struct lws_process_html_args *args,
struct lws_process_html_state *s)