[package] uhttpd:

	- rewrite large parts of the server, use uloop event driven structure
	- support concurrent requests and make the upper limit configurable
	- implement initial version of HTTP-to-ubus JSON proxy and session.* namespace
	- add compile time support for debug information
	- code style changes
	- bump package revision

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/package/uhttpd/src@31931 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 74 insertions, 69 deletions

diff --git a/uhttpd-file.c b/uhttpd-file.c
index 0d9a207..2e5914a 100644
--- a/uhttpd-file.c
+++ b/uhttpd-file.c
@@ -1,7 +1,7 @@
 /*
  * uhttpd - Tiny single-threaded httpd - Static file handler
  *
- *   Copyright (C) 2010-2011 Jo-Philipp Wich <xm@subsignal.org>
+ *   Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -83,22 +83,21 @@ static char * uh_file_unix2date(time_t ts)
 	return str;
 }
 
-static char * uh_file_header_lookup(struct http_request *req, const char *name)
+static char * uh_file_header_lookup(struct client *cl, const char *name)
 {
 	int i;
 
-	foreach_header(i, req->headers)
+	foreach_header(i, cl->request.headers)
 	{
-		if (!strcasecmp(req->headers[i], name))
-			return req->headers[i+1];
+		if (!strcasecmp(cl->request.headers[i], name))
+			return cl->request.headers[i+1];
 	}
 
 	return NULL;
 }
 
 
-static int uh_file_response_ok_hdrs(struct client *cl, struct http_request *req,
-									struct stat *s)
+static int uh_file_response_ok_hdrs(struct client *cl, struct stat *s)
 {
 	ensure_ret(uh_http_sendf(cl, NULL, "Connection: close\r\n"));
 
@@ -112,32 +111,33 @@ static int uh_file_response_ok_hdrs(struct client *cl, struct http_request *req,
 	return uh_http_sendf(cl, NULL, "Date: %s\r\n", uh_file_unix2date(time(NULL)));
 }
 
-static int uh_file_response_200(struct client *cl, struct http_request *req,
-								struct stat *s)
+static int uh_file_response_200(struct client *cl, struct stat *s)
 {
-	ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 200 OK\r\n", req->version));
-	return uh_file_response_ok_hdrs(cl, req, s);
+	ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 200 OK\r\n",
+							 cl->request.version));
+
+	return uh_file_response_ok_hdrs(cl, s);
 }
 
-static int uh_file_response_304(struct client *cl, struct http_request *req,
-								struct stat *s)
+static int uh_file_response_304(struct client *cl, struct stat *s)
 {
-	ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 304 Not Modified\r\n", req->version));
-	return uh_file_response_ok_hdrs(cl, req, s);
+	ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 304 Not Modified\r\n",
+							 cl->request.version));
+
+	return uh_file_response_ok_hdrs(cl, s);
 }
 
-static int uh_file_response_412(struct client *cl, struct http_request *req)
+static int uh_file_response_412(struct client *cl)
 {
 	return uh_http_sendf(cl, NULL,
-		"HTTP/%.1f 412 Precondition Failed\r\n"
-		"Connection: close\r\n", req->version);
+						 "HTTP/%.1f 412 Precondition Failed\r\n"
+						 "Connection: close\r\n", cl->request.version);
 }
 
-static int uh_file_if_match(struct client *cl, struct http_request *req,
-							struct stat *s, int *ok)
+static int uh_file_if_match(struct client *cl, struct stat *s, int *ok)
 {
 	const char *tag = uh_file_mktag(s);
-	char *hdr = uh_file_header_lookup(req, "If-Match");
+	char *hdr = uh_file_header_lookup(cl, "If-Match");
 	char *p;
 	int i;
 
@@ -160,7 +160,7 @@ static int uh_file_if_match(struct client *cl, struct http_request *req,
 		}
 
 		*ok = 0;
-		ensure_ret(uh_file_response_412(cl, req));
+		ensure_ret(uh_file_response_412(cl));
 		return *ok;
 	}
 
@@ -168,11 +168,9 @@ static int uh_file_if_match(struct client *cl, struct http_request *req,
 	return *ok;
 }
 
-static int uh_file_if_modified_since(struct client *cl,
-									 struct http_request *req, struct stat *s,
-									 int *ok)
+static int uh_file_if_modified_since(struct client *cl, struct stat *s, int *ok)
 {
-	char *hdr = uh_file_header_lookup(req, "If-Modified-Since");
+	char *hdr = uh_file_header_lookup(cl, "If-Modified-Since");
 	*ok = 1;
 
 	if (hdr)
@@ -180,18 +178,17 @@ static int uh_file_if_modified_since(struct client *cl,
 		if (uh_file_date2unix(hdr) >= s->st_mtime)
 		{
 			*ok = 0;
-			ensure_ret(uh_file_response_304(cl, req, s));
+			ensure_ret(uh_file_response_304(cl, s));
 		}
 	}
 
 	return *ok;
 }
 
-static int uh_file_if_none_match(struct client *cl, struct http_request *req,
-								 struct stat *s, int *ok)
+static int uh_file_if_none_match(struct client *cl, struct stat *s, int *ok)
 {
 	const char *tag = uh_file_mktag(s);
-	char *hdr = uh_file_header_lookup(req, "If-None-Match");
+	char *hdr = uh_file_header_lookup(cl, "If-None-Match");
 	char *p;
 	int i;
 	*ok = 1;
@@ -211,14 +208,14 @@ static int uh_file_if_none_match(struct client *cl, struct http_request *req,
 			{
 				*ok = 0;
 
-				if ((req->method == UH_HTTP_MSG_GET) ||
-				    (req->method == UH_HTTP_MSG_HEAD))
+				if ((cl->request.method == UH_HTTP_MSG_GET) ||
+				    (cl->request.method == UH_HTTP_MSG_HEAD))
 				{
-					ensure_ret(uh_file_response_304(cl, req, s));
+					ensure_ret(uh_file_response_304(cl, s));
 				}
 				else
 				{
-					ensure_ret(uh_file_response_412(cl, req));
+					ensure_ret(uh_file_response_412(cl));
 				}
 
 				break;
@@ -229,26 +226,24 @@ static int uh_file_if_none_match(struct client *cl, struct http_request *req,
 	return *ok;
 }
 
-static int uh_file_if_range(struct client *cl, struct http_request *req,
-							struct stat *s, int *ok)
+static int uh_file_if_range(struct client *cl, struct stat *s, int *ok)
 {
-	char *hdr = uh_file_header_lookup(req, "If-Range");
+	char *hdr = uh_file_header_lookup(cl, "If-Range");
 	*ok = 1;
 
 	if (hdr)
 	{
 		*ok = 0;
-		ensure_ret(uh_file_response_412(cl, req));
+		ensure_ret(uh_file_response_412(cl));
 	}
 
 	return *ok;
 }
 
-static int uh_file_if_unmodified_since(struct client *cl,
-									   struct http_request *req, struct stat *s,
+static int uh_file_if_unmodified_since(struct client *cl, struct stat *s,
 									   int *ok)
 {
-	char *hdr = uh_file_header_lookup(req, "If-Unmodified-Since");
+	char *hdr = uh_file_header_lookup(cl, "If-Unmodified-Since");
 	*ok = 1;
 
 	if (hdr)
@@ -256,7 +251,7 @@ static int uh_file_if_unmodified_since(struct client *cl,
 		if (uh_file_date2unix(hdr) <= s->st_mtime)
 		{
 			*ok = 0;
-			ensure_ret(uh_file_response_412(cl, req));
+			ensure_ret(uh_file_response_412(cl));
 		}
 	}
 
@@ -269,8 +264,7 @@ static int uh_file_scandir_filter_dir(const struct dirent *e)
 	return strcmp(e->d_name, ".") ? 1 : 0;
 }
 
-static void uh_file_dirlist(struct client *cl, struct http_request *req,
-							struct path_info *pi)
+static void uh_file_dirlist(struct client *cl, struct path_info *pi)
 {
 	int i;
 	int count = 0;
@@ -279,7 +273,7 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req,
 	struct dirent **files = NULL;
 	struct stat s;
 
-	ensure_out(uh_http_sendf(cl, req,
+	ensure_out(uh_http_sendf(cl, &cl->request,
 							 "<html><head><title>Index of %s</title></head>"
 							 "<body><h1>Index of %s</h1><hr /><ol>",
 							 pi->name, pi->name));
@@ -300,7 +294,7 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req,
 			if (!stat(filename, &s) &&
 				(s.st_mode & S_IFDIR) && (s.st_mode & S_IXOTH))
 			{
-				ensure_out(uh_http_sendf(cl, req,
+				ensure_out(uh_http_sendf(cl, &cl->request,
 										 "<li><strong><a href='%s%s'>%s</a>/"
 										 "</strong><br /><small>modified: %s"
 										 "<br />directory - %.02f kbyte<br />"
@@ -323,7 +317,7 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req,
 			if (!stat(filename, &s) &&
 				!(s.st_mode & S_IFDIR) && (s.st_mode & S_IROTH))
 			{
-				ensure_out(uh_http_sendf(cl, req,
+				ensure_out(uh_http_sendf(cl, &cl->request,
 										 "<li><strong><a href='%s%s'>%s</a>"
 										 "</strong><br /><small>modified: %s"
 										 "<br />%s - %.02f kbyte<br />"
@@ -339,8 +333,8 @@ static void uh_file_dirlist(struct client *cl, struct http_request *req,
 		}
 	}
 
-	ensure_out(uh_http_sendf(cl, req, "</ol><hr /></body></html>"));
-	ensure_out(uh_http_sendf(cl, req, ""));
+	ensure_out(uh_http_sendf(cl, &cl->request, "</ol><hr /></body></html>"));
+	ensure_out(uh_http_sendf(cl, &cl->request, ""));
 
 out:
 	if (files)
@@ -353,7 +347,7 @@ out:
 }
 
 
-void uh_file_request(struct client *cl, struct http_request *req, struct path_info *pi)
+bool uh_file_request(struct client *cl, struct path_info *pi)
 {
 	int rlen;
 	int ok = 1;
@@ -364,36 +358,43 @@ void uh_file_request(struct client *cl, struct http_request *req, struct path_in
 	if ((pi->stat.st_mode & S_IFREG) && ((fd = open(pi->phys, O_RDONLY)) > 0))
 	{
 		/* test preconditions */
-		if (ok) ensure_out(uh_file_if_modified_since(cl, req, &pi->stat, &ok));
-		if (ok) ensure_out(uh_file_if_match(cl, req, &pi->stat, &ok));
-		if (ok) ensure_out(uh_file_if_range(cl, req, &pi->stat, &ok));
-		if (ok) ensure_out(uh_file_if_unmodified_since(cl, req, &pi->stat, &ok));
-		if (ok) ensure_out(uh_file_if_none_match(cl, req, &pi->stat, &ok));
+		if (ok) ensure_out(uh_file_if_modified_since(cl, &pi->stat, &ok));
+		if (ok) ensure_out(uh_file_if_match(cl, &pi->stat, &ok));
+		if (ok) ensure_out(uh_file_if_range(cl, &pi->stat, &ok));
+		if (ok) ensure_out(uh_file_if_unmodified_since(cl, &pi->stat, &ok));
+		if (ok) ensure_out(uh_file_if_none_match(cl, &pi->stat, &ok));
 
 		if (ok > 0)
 		{
 			/* write status */
-			ensure_out(uh_file_response_200(cl, req, &pi->stat));
+			ensure_out(uh_file_response_200(cl, &pi->stat));
+
+			ensure_out(uh_http_sendf(cl, NULL, "Content-Type: %s\r\n",
+									 uh_file_mime_lookup(pi->name)));
 
-			ensure_out(uh_http_sendf(cl, NULL, "Content-Type: %s\r\n", uh_file_mime_lookup(pi->name)));
-			ensure_out(uh_http_sendf(cl, NULL, "Content-Length: %i\r\n", pi->stat.st_size));
+			ensure_out(uh_http_sendf(cl, NULL, "Content-Length: %i\r\n",
+									 pi->stat.st_size));
 
 			/* if request was HTTP 1.1 we'll respond chunked */
-			if ((req->version > 1.0) && (req->method != UH_HTTP_MSG_HEAD))
-				ensure_out(uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1));
+			if ((cl->request.version > 1.0) &&
+				(cl->request.method != UH_HTTP_MSG_HEAD))
+			{
+				ensure_out(uh_http_send(cl, NULL,
+										"Transfer-Encoding: chunked\r\n", -1));
+			}
 
 			/* close header */
 			ensure_out(uh_http_send(cl, NULL, "\r\n", -1));
 
 			/* send body */
-			if (req->method != UH_HTTP_MSG_HEAD)
+			if (cl->request.method != UH_HTTP_MSG_HEAD)
 			{
 				/* pump file data */
 				while ((rlen = read(fd, buf, sizeof(buf))) > 0)
-					ensure_out(uh_http_send(cl, req, buf, rlen));
+					ensure_out(uh_http_send(cl, &cl->request, buf, rlen));
 
 				/* send trailer in chunked mode */
-				ensure_out(uh_http_send(cl, req, "", 0));
+				ensure_out(uh_http_send(cl, &cl->request, "", 0));
 			}
 		}
 
@@ -408,25 +409,29 @@ void uh_file_request(struct client *cl, struct http_request *req, struct path_in
 	else if ((pi->stat.st_mode & S_IFDIR) && !cl->server->conf->no_dirlists)
 	{
 		/* write status */
-		ensure_out(uh_file_response_200(cl, req, NULL));
+		ensure_out(uh_file_response_200(cl, NULL));
 
-		if (req->version > 1.0)
-			ensure_out(uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1));
+		if (cl->request.version > 1.0)
+			ensure_out(uh_http_send(cl, NULL,
+									"Transfer-Encoding: chunked\r\n", -1));
 
-		ensure_out(uh_http_send(cl, NULL, "Content-Type: text/html\r\n\r\n", -1));
+		ensure_out(uh_http_send(cl, NULL,
+								"Content-Type: text/html\r\n\r\n", -1));
 
 		/* content */
-		uh_file_dirlist(cl, req, pi);
+		uh_file_dirlist(cl, pi);
 	}
 
 	/* 403 */
 	else
 	{
 		ensure_out(uh_http_sendhf(cl, 403, "Forbidden",
-			"Access to this resource is forbidden"));
+								  "Access to this resource is forbidden"));
 	}
 
 out:
 	if (fd > -1)
 		close(fd);
+
+	return false;
 }