*/
#include "private-libwebsockets.h"
+
#include "lextable-strings.h"
+
const unsigned char *lws_token_to_string(enum lws_token_indexes token)
{
if ((unsigned int)token >= ARRAY_SIZE(set))
unsigned char **p, unsigned char *end)
{
#ifdef LWS_USE_HTTP2
- if (wsi->mode == LWS_CONNMODE_HTTP2_SERVING)
+ if (wsi->mode == LWSCM_HTTP2_SERVING)
return lws_add_http2_header_by_name(wsi, name,
value, length, p, end);
#else
unsigned char *end)
{
#ifdef LWS_USE_HTTP2
- if (wsi->mode == LWS_CONNMODE_HTTP2_SERVING)
+ if (wsi->mode == LWSCM_HTTP2_SERVING)
return 0;
#else
(void)wsi;
{
const unsigned char *name;
#ifdef LWS_USE_HTTP2
- if (wsi->mode == LWS_CONNMODE_HTTP2_SERVING)
+ if (wsi->mode == LWSCM_HTTP2_SERVING)
return lws_add_http2_header_by_token(wsi, token, value, length, p, end);
#endif
name = lws_token_to_string(token);
}
int lws_add_http_header_content_length(struct lws *wsi,
- unsigned long content_length,
+ lws_filepos_t content_length,
unsigned char **p, unsigned char *end)
{
char b[24];
int n;
- n = sprintf(b, "%lu", content_length);
- if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH, (unsigned char *)b, n, p, end))
+ n = sprintf(b, "%llu", (unsigned long long)content_length);
+ if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH,
+ (unsigned char *)b, n, p, end))
return 1;
wsi->u.http.content_length = content_length;
wsi->u.http.content_remain = content_length;
return 0;
}
-static const char *err400[] = {
+STORE_IN_ROM static const char * const err400[] = {
"Bad Request",
"Unauthorized",
"Payment Required",
"Expectation Failed"
};
-static const char *err500[] = {
+STORE_IN_ROM static const char * const err500[] = {
"Internal Server Error",
"Not Implemented",
"Bad Gateway",
};
int
-lws_add_http_header_status(struct lws *wsi,
- unsigned int code, unsigned char **p,
- unsigned char *end)
+lws_add_http_header_status(struct lws *wsi, unsigned int _code,
+ unsigned char **p, unsigned char *end)
{
+ STORE_IN_ROM static const char * const hver[] = {
+ "HTTP/1.0", "HTTP/1.1", "HTTP/2"
+ };
+ const struct lws_protocol_vhost_options *headers;
+ unsigned int code = _code & LWSAHH_CODE_MASK;
+ const char *description = "", *p1;
unsigned char code_and_desc[60];
- const char *description = "";
int n;
+#ifdef LWS_WITH_ACCESS_LOG
+ wsi->access_log.response = code;
+#endif
+
#ifdef LWS_USE_HTTP2
- if (wsi->mode == LWS_CONNMODE_HTTP2_SERVING)
+ if (wsi->mode == LWSCM_HTTP2_SERVING)
return lws_add_http2_header_status(wsi, code, p, end);
#endif
if (code >= 400 && code < (400 + ARRAY_SIZE(err400)))
if (code >= 500 && code < (500 + ARRAY_SIZE(err500)))
description = err500[code - 500];
- n = sprintf((char *)code_and_desc, "HTTP/1.0 %u %s", code, description);
+ if (code == 200)
+ description = "OK";
+
+ if (code == 304)
+ description = "Not Modified";
+ else
+ if (code >= 300 && code < 400)
+ description = "Redirect";
- return lws_add_http_header_by_name(wsi, NULL, code_and_desc,
- n, p, end);
+ if (wsi->u.http.request_version < ARRAY_SIZE(hver))
+ p1 = hver[wsi->u.http.request_version];
+ else
+ p1 = hver[0];
+
+ n = sprintf((char *)code_and_desc, "%s %u %s", p1, code, description);
+
+ if (lws_add_http_header_by_name(wsi, NULL, code_and_desc, n, p, end))
+ return 1;
+
+ headers = wsi->vhost->headers;
+ while (headers) {
+ if (lws_add_http_header_by_name(wsi,
+ (const unsigned char *)headers->name,
+ (unsigned char *)headers->value,
+ strlen(headers->value), p, end))
+ return 1;
+
+ headers = headers->next;
+ }
+
+ if (wsi->context->server_string &&
+ !(_code & LWSAHH_FLAG_NO_SERVER_NAME))
+ if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_SERVER,
+ (unsigned char *)wsi->context->server_string,
+ wsi->context->server_string_len, p, end))
+ return 1;
+
+ if (wsi->vhost->options & LWS_SERVER_OPTION_STS)
+ if (lws_add_http_header_by_name(wsi, (unsigned char *)
+ "Strict-Transport-Security:",
+ (unsigned char *)"max-age=15768000 ; "
+ "includeSubDomains", 36, p, end))
+ return 1;
+
+ return 0;
}
-/**
- * lws_return_http_status() - Return simple http status
- * @context: libwebsockets context
- * @wsi: Websocket instance (available from user callback)
- * @code: Status index, eg, 404
- * @html_body: User-readable HTML description < 1KB, or NULL
- *
- * Helper to report HTTP errors back to the client cleanly and
- * consistently
- */
LWS_VISIBLE int
-lws_return_http_status(struct lws *wsi, unsigned int code, const char *html_body)
+lws_return_http_status(struct lws *wsi, unsigned int code,
+ const char *html_body)
{
- int n, m;
- struct lws_context *context = lws_get_ctx(wsi);
- unsigned char *p = context->service_buffer +
- LWS_SEND_BUFFER_PRE_PADDING;
- unsigned char *start = p;
- unsigned char *end = p + sizeof(context->service_buffer) -
- LWS_SEND_BUFFER_PRE_PADDING;
+ struct lws_context *context = lws_get_context(wsi);
+ struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi];
+ unsigned char *p = pt->serv_buf + LWS_PRE;
+ unsigned char *start = p, *body = p + 512;
+ unsigned char *end = p + context->pt_serv_buf_size - LWS_PRE;
+ int n, m, len;
+ char slen[20];
if (!html_body)
html_body = "";
+ len = sprintf((char *)body, "<html><body><h1>%u</h1>%s</body></html>",
+ code, html_body);
+
if (lws_add_http_header_status(wsi, code, &p, end))
return 1;
- if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_SERVER,
- (unsigned char *)"libwebsockets", 13,
- &p, end))
- return 1;
+
if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_TYPE,
(unsigned char *)"text/html", 9,
&p, end))
return 1;
+ n = sprintf(slen, "%d", len);
+ if (lws_add_http_header_by_token(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH,
+ (unsigned char *)slen, n,
+ &p, end))
+ return 1;
+
if (lws_finalize_http_header(wsi, &p, end))
return 1;
if (m != (int)(p - start))
return 1;
- n = sprintf((char *)start, "<html><body><h1>%u</h1>%s</body></html>",
- code, html_body);
- m = lws_write(wsi, start, n, LWS_WRITE_HTTP);
+ m = lws_write(wsi, body, len, LWS_WRITE_HTTP);
return m != n;
}
+
+LWS_VISIBLE int
+lws_http_redirect(struct lws *wsi, int code, const unsigned char *loc, int len,
+ unsigned char **p, unsigned char *end)
+{
+ unsigned char *start = *p;
+ int n;
+
+ if (lws_add_http_header_status(wsi, code, p, end))
+ return -1;
+
+ if (lws_add_http_header_by_token(wsi,
+ WSI_TOKEN_HTTP_LOCATION,
+ loc, len, p, end))
+ return -1;
+ /*
+ * if we're going with http/1.1 and keepalive,
+ * we have to give fake content metadata so the
+ * client knows we completed the transaction and
+ * it can do the redirect...
+ */
+ if (lws_add_http_header_by_token(wsi,
+ WSI_TOKEN_HTTP_CONTENT_TYPE,
+ (unsigned char *)"text/html", 9,
+ p, end))
+ return -1;
+ if (lws_add_http_header_by_token(wsi,
+ WSI_TOKEN_HTTP_CONTENT_LENGTH,
+ (unsigned char *)"0", 1, p, end))
+ return -1;
+
+ if (lws_finalize_http_header(wsi, p, end))
+ return -1;
+
+ n = lws_write(wsi, start, *p - start,
+ LWS_WRITE_HTTP_HEADERS);
+
+ return n;
+}
projects / platform / upstream / libwebsockets.git / blobdiff