relay: do forward data if the http request type was HEAD

[project/uhttpd.git] / utils.c

diff --git a/utils.c b/utils.c
index 742e280..b1d7d37 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -1,20 +1,20 @@
 /*
  * uhttpd - Tiny single-threaded httpd
  *
- *   Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
- *   Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *   Copyright (C) 2010-2013 Jo-Philipp Wich <xm@subsignal.org>
+ *   Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
  *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
 #include <ctype.h>
@@ -35,6 +35,9 @@ void uh_chunk_write(struct client *cl, const void *data, int len)
 {
        bool chunked = uh_use_chunked(cl);
 
+       if (cl->state == CLIENT_STATE_CLEANUP)
+               return;
+
        uloop_timeout_set(&cl->timeout, conf.network_timeout * 1000);
        if (chunked)
                ustream_printf(cl->us, "%X\r\n", len);
@@ -49,6 +52,9 @@ void uh_chunk_vprintf(struct client *cl, const char *format, va_list arg)
        va_list arg2;
        int len;
 
+       if (cl->state == CLIENT_STATE_CLEANUP)
+               return;
+
        uloop_timeout_set(&cl->timeout, conf.network_timeout * 1000);
        if (!uh_use_chunked(cl)) {
                ustream_vprintf(cl->us, format, arg);
@@ -81,6 +87,9 @@ void uh_chunk_eof(struct client *cl)
        if (!uh_use_chunked(cl))
                return;
 
+       if (cl->state == CLIENT_STATE_CLEANUP)
+               return;
+
        ustream_printf(cl->us, "0\r\n\r\n");
 }
 
@@ -122,7 +131,7 @@ int uh_urlencode(char *buf, int blen, const char *src, int slen)
 {
        int i;
        int len = 0;
-       const char hex[] = "0123456789abcdef";
+       static const char hex[] = "0123456789abcdef";
 
        for (i = 0; (i < slen) && (len < blen); i++)
        {