-#define _XOPEN_SOURCE 500 /* strptime() ... */
-#define _BSD_SOURCE /* scandir() ... */
+/*
+ * uhttpd - Tiny single-threaded httpd - Static file handler
+ *
+ * Copyright (C) 2010 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.
+ * You may obtain a copy of the License at
+ *
+ * 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.
+ */
+
+#define _XOPEN_SOURCE 500 /* strptime() */
+#define _BSD_SOURCE /* scandir(), timegm() */
#include "uhttpd.h"
-#include "uhttpd-file.h"
#include "uhttpd-utils.h"
+#include "uhttpd-file.h"
#include "uhttpd-mimetypes.h"
memset(&t, 0, sizeof(t));
if( strptime(date, "%a, %d %b %Y %H:%M:%S %Z", &t) != NULL )
- return mktime(&t);
+ return timegm(&t);
return 0;
}
static char * uh_file_unix2date(time_t ts)
{
static char str[128];
- struct tm *t = localtime(&ts);
+ struct tm *t = gmtime(&ts);
- strftime(str, sizeof(str), "%a, %d %b %Y %H:%M:%S %Z", t);
+ strftime(str, sizeof(str), "%a, %d %b %Y %H:%M:%S GMT", t);
return str;
}
static void uh_file_response_ok_hdrs(struct client *cl, struct http_request *req, struct stat *s)
{
+ uh_http_sendf(cl, NULL, "Connection: close\r\n");
+
if( s )
{
uh_http_sendf(cl, NULL, "ETag: %s\r\n", uh_file_mktag(s));
static void uh_file_response_412(struct client *cl, struct http_request *req)
{
- uh_http_sendf(cl, NULL, "HTTP/%.1f 412 Precondition Failed\r\n",
- req->version);
+ uh_http_sendf(cl, NULL,
+ "HTTP/%.1f 412 Precondition Failed\r\n"
+ "Connection: close\r\n", req->version);
}
static int uh_file_if_match(struct client *cl, struct http_request *req, struct stat *s)
return strcmp(e->d_name, ".") ? 1 : 0;
}
-static void uh_file_dirlist(struct client *cl, struct http_request *req, struct uh_path_info *pi)
+static void uh_file_dirlist(struct client *cl, struct http_request *req, struct path_info *pi)
{
int i, count;
char filename[PATH_MAX];
}
-void uh_file_request(struct client *cl, struct http_request *req)
+void uh_file_request(struct client *cl, struct http_request *req, struct path_info *pi)
{
int fd, rlen;
char buf[UH_LIMIT_MSGHEAD];
- struct uh_path_info *pi;
- /* obtain path information */
- if( (pi = uh_path_lookup(cl, req->url)) != NULL )
+ /* we have a file */
+ if( (pi->stat.st_mode & S_IFREG) && ((fd = open(pi->phys, O_RDONLY)) > 0) )
{
- /* we have a file */
- if( (pi->stat.st_mode & S_IFREG) &&
- ((fd = open(pi->phys, O_RDONLY)) > 0)
+ /* test preconditions */
+ if(
+ uh_file_if_modified_since(cl, req, &pi->stat) &&
+ uh_file_if_match(cl, req, &pi->stat) &&
+ uh_file_if_range(cl, req, &pi->stat) &&
+ uh_file_if_unmodified_since(cl, req, &pi->stat) &&
+ uh_file_if_none_match(cl, req, &pi->stat)
) {
- /* test preconditions */
- if(
- uh_file_if_modified_since(cl, req, &pi->stat) &&
- uh_file_if_match(cl, req, &pi->stat) &&
- uh_file_if_range(cl, req, &pi->stat) &&
- uh_file_if_unmodified_since(cl, req, &pi->stat) &&
- uh_file_if_none_match(cl, req, &pi->stat)
- ) {
- /* write status */
- uh_file_response_200(cl, req, &pi->stat);
-
- uh_http_sendf(cl, NULL, "Content-Type: %s\r\n", uh_file_mime_lookup(pi->name));
- 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 )
- uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1);
-
- /* close header */
- uh_http_send(cl, NULL, "\r\n", -1);
+ /* write status */
+ uh_file_response_200(cl, req, &pi->stat);
+
+ uh_http_sendf(cl, NULL, "Content-Type: %s\r\n", uh_file_mime_lookup(pi->name));
+ 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) )
+ uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1);
+
+ /* close header */
+ uh_http_send(cl, NULL, "\r\n", -1);
+ /* send body */
+ if( req->method != UH_HTTP_MSG_HEAD )
+ {
/* pump file data */
while( (rlen = read(fd, buf, sizeof(buf))) > 0 )
{
- uh_http_send(cl, req, buf, rlen);
+ if( uh_http_send(cl, req, buf, rlen) < 0 )
+ break;
}
/* send trailer in chunked mode */
uh_http_send(cl, req, "", 0);
}
-
- /* one of the preconditions failed, terminate opened header and exit */
- else
- {
- uh_http_send(cl, NULL, "\r\n", -1);
- }
-
- close(fd);
}
- /* directory */
- else if( pi->stat.st_mode & S_IFDIR )
+ /* one of the preconditions failed, terminate opened header and exit */
+ else
{
- /* write status */
- uh_file_response_200(cl, req, NULL);
+ uh_http_send(cl, NULL, "\r\n", -1);
+ }
- if( req->version > 1.0 )
- uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1);
+ close(fd);
+ }
- uh_http_send(cl, NULL, "Content-Type: text/html\r\n\r\n", -1);
+ /* directory */
+ else if( pi->stat.st_mode & S_IFDIR )
+ {
+ /* write status */
+ uh_file_response_200(cl, req, NULL);
- /* content */
- uh_file_dirlist(cl, req, pi);
- }
+ if( req->version > 1.0 )
+ uh_http_send(cl, NULL, "Transfer-Encoding: chunked\r\n", -1);
- /* 403 */
- else
- {
- uh_http_sendhf(cl, 403, "Forbidden",
- "Access to this resource is forbidden");
- }
+ uh_http_send(cl, NULL, "Content-Type: text/html\r\n\r\n", -1);
+
+ /* content */
+ uh_file_dirlist(cl, req, pi);
}
- /* 404 */
+ /* 403 */
else
{
- uh_http_sendhf(cl, 404, "Not Found",
- "No such file or directory");
+ uh_http_sendhf(cl, 403, "Forbidden",
+ "Access to this resource is forbidden");
}
}
projects / project / luci.git / blobdiff