uhttpd: redirect to same location with trailing slash appended if directories are...

[openwrt/staging/yousong.git] / package / uhttpd / src / uhttpd-utils.c

diff --git a/package/uhttpd/src/uhttpd-utils.c b/package/uhttpd/src/uhttpd-utils.c
index 9f9a5dd6a7f4d3dd5cc081d21178d5708f038e00..c7bc867aab2da63913d48548070a6ecfc99fa959 100644 (file)
--- a/package/uhttpd/src/uhttpd-utils.c
+++ b/package/uhttpd/src/uhttpd-utils.c
@@ -474,6 +474,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        char *docroot = cl->server->conf->docroot;
        char *pathptr = NULL;
 
+       int slash = 0;
        int no_sym = cl->server->conf->no_symlinks;
        int i = 0;
        struct stat s;
@@ -516,7 +517,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        }
 
        /* create canon path */
-       for( i = strlen(buffer); i >= 0; i-- )
+       for( i = strlen(buffer), slash = (buffer[max(0, i-1)] == '/'); i >= 0; i-- )
        {
                if( (buffer[i] == 0) || (buffer[i] == '/') )
                {
@@ -567,7 +568,23 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
                        memcpy(buffer, path_phys, sizeof(buffer));
                        pathptr = &buffer[strlen(buffer)];
 
-                       if( cl->server->conf->index_file )
+                       /* if requested url resolves to a directory and a trailing slash
+                          is missing in the request url, redirect the client to the same
+                          url with trailing slash appended */
+                       if( !slash )
+                       {
+                               uh_http_sendf(cl, NULL,
+                                       "HTTP/1.1 302 Found\r\n"
+                                       "Location: %s%s%s\r\n"
+                                       "Connection: close\r\n\r\n",
+                                               &path_phys[strlen(docroot)],
+                                               p.query ? "?" : "",
+                                               p.query ? p.query : ""
+                               );
+
+                               p.redirected = 1;
+                       }
+                       else if( cl->server->conf->index_file )
                        {
                                strncat(buffer, cl->server->conf->index_file, sizeof(buffer));