X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuhttpd.git;a=blobdiff_plain;f=relay.c;h=7331a0a59d2eedbe25e984b8b60a0d62580581c9;hp=59cdaa5904883d7db93a1b2ac64628110bfaaabb;hb=d6366570bf706f3970b7f106a1ccd49b584559cf;hpb=038cf91ddc07cdd76e7444efc096094eef66f749

diff --git a/relay.c b/relay.c
index 59cdaa5..7331a0a 100644
--- a/relay.c
+++ b/relay.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 <signal.h>
@@ -28,6 +28,7 @@ void uh_relay_free(struct relay *r)
 	if (r->proc.pending)
 		kill(r->proc.pid, SIGKILL);
 
+	uloop_timeout_cancel(&r->timeout);
 	uloop_process_delete(&r->proc);
 	ustream_free(&r->sfd.stream);
 	close(r->sfd.fd.fd);
@@ -55,6 +56,7 @@ static void relay_error(struct relay *r)
 	struct ustream *s = &r->sfd.stream;
 	int len;
 
+	r->error = true;
 	s->eof = true;
 	ustream_get_read_buf(s, &len);
 	if (len)
@@ -76,6 +78,9 @@ static void relay_process_headers(struct relay *r)
 		char *val;
 
 		buf = ustream_get_read_buf(s, &len);
+		if (!buf || !len)
+			break;
+
 		newline = strchr(buf, '\n');
 		if (!newline)
 			break;
@@ -89,6 +94,7 @@ static void relay_process_headers(struct relay *r)
 			r->header_cb = NULL;
 			if (r->header_end)
 				r->header_end(r);
+			ustream_consume(s, line_len);
 			break;
 		}
 
@@ -111,7 +117,11 @@ static void relay_read_cb(struct ustream *s, int bytes)
 	char *buf;
 	int len;
 
-	relay_process_headers(r);
+	if (r->process_done)
+		uloop_timeout_set(&r->timeout, 1);
+
+	if (!r->error)
+		relay_process_headers(r);
 
 	if (r->header_cb) {
 		/*
@@ -129,15 +139,23 @@ static void relay_read_cb(struct ustream *s, int bytes)
 	}
 
 	buf = ustream_get_read_buf(s, &len);
-	uh_chunk_write(cl, buf, len);
+	if (!buf || !len)
+		return;
+
+	if (!r->skip_data)
+		uh_chunk_write(cl, buf, len);
+
 	ustream_consume(s, len);
 }
 
-static void relay_close_if_done(struct relay *r)
+static void relay_close_if_done(struct uloop_timeout *timeout)
 {
+	struct relay *r = container_of(timeout, struct relay, timeout);
 	struct ustream *s = &r->sfd.stream;
 
-	if (!s->eof || ustream_pending_data(s, false))
+	while (ustream_poll(&r->sfd.stream));
+
+	if (!(r->process_done || s->eof) || ustream_pending_data(s, false))
 		return;
 
 	uh_relay_close(r, r->ret);
@@ -148,7 +166,7 @@ static void relay_state_cb(struct ustream *s)
 	struct relay *r = container_of(s, struct relay, sfd.stream);
 
 	if (r->process_done)
-		relay_close_if_done(r);
+		uloop_timeout_set(&r->timeout, 1);
 }
 
 static void relay_proc_cb(struct uloop_process *proc, int ret)
@@ -157,7 +175,16 @@ static void relay_proc_cb(struct uloop_process *proc, int ret)
 
 	r->process_done = true;
 	r->ret = ret;
-	relay_close_if_done(r);
+	uloop_timeout_set(&r->timeout, 1);
+}
+
+void uh_relay_kill(struct client *cl, struct relay *r)
+{
+	struct ustream *us = &r->sfd.stream;
+
+	kill(r->proc.pid, SIGKILL);
+	us->eof = true;
+	ustream_state_change(us);
 }
 
 void uh_relay_open(struct client *cl, struct relay *r, int fd, int pid)
@@ -165,12 +192,14 @@ void uh_relay_open(struct client *cl, struct relay *r, int fd, int pid)
 	struct ustream *us = &r->sfd.stream;
 
 	r->cl = cl;
-	ustream_fd_init(&r->sfd, fd);
 	us->notify_read = relay_read_cb;
 	us->notify_state = relay_state_cb;
 	us->string_data = true;
+	ustream_fd_init(&r->sfd, fd);
 
 	r->proc.pid = pid;
 	r->proc.cb = relay_proc_cb;
 	uloop_process_add(&r->proc);
+
+	r->timeout.cb = relay_close_if_done;
 }