kernel: add md5sum of kernel
[openwrt.git] / package / uhttpd / src / uhttpd-utils.c
index 9f9a5dd..ac00af8 100644 (file)
@@ -167,6 +167,9 @@ int uh_tcp_recv(struct client *cl, char *buf, int len)
        int sz = 0;
        int rsz = 0;
 
        int sz = 0;
        int rsz = 0;
 
+       fd_set reader;
+       struct timeval timeout;
+
        /* first serve data from peek buffer */
        if( cl->peeklen > 0 )
        {
        /* first serve data from peek buffer */
        if( cl->peeklen > 0 )
        {
@@ -180,15 +183,28 @@ int uh_tcp_recv(struct client *cl, char *buf, int len)
        /* caller wants more */
        if( len > 0 )
        {
        /* caller wants more */
        if( len > 0 )
        {
+               FD_ZERO(&reader);
+               FD_SET(cl->socket, &reader);
+
+               timeout.tv_sec  = cl->server->conf->network_timeout;
+               timeout.tv_usec = 0;
+
+               if( select(cl->socket + 1, &reader, NULL, NULL, &timeout) > 0 )
+               {
 #ifdef HAVE_TLS
 #ifdef HAVE_TLS
-               if( cl->tls )
-                       rsz = cl->server->conf->tls_recv(cl, (void *)&buf[sz], len);
-               else
+                       if( cl->tls )
+                               rsz = cl->server->conf->tls_recv(cl, (void *)&buf[sz], len);
+                       else
 #endif
 #endif
-                       rsz = recv(cl->socket, (void *)&buf[sz], len, 0);
+                               rsz = recv(cl->socket, (void *)&buf[sz], len, 0);
 
 
-               if( (sz == 0) || (rsz > 0) )
-                       sz += rsz;
+                       if( (sz == 0) || (rsz > 0) )
+                               sz += rsz;
+               }
+               else if( sz == 0 )
+               {
+                       sz = -1;
+               }
        }
 
        return sz;
        }
 
        return sz;
@@ -233,7 +249,7 @@ int uh_http_sendc(struct client *cl, const char *data, int len)
 
        if( len > 0 )
        {
 
        if( len > 0 )
        {
-               clen = snprintf(chunk, sizeof(chunk), "%X\r\n", len);
+               clen = snprintf(chunk, sizeof(chunk), "%X\r\n", len);
                ensure_ret(uh_tcp_send(cl, chunk, clen));
                ensure_ret(uh_tcp_send(cl, data, len));
                ensure_ret(uh_tcp_send(cl, "\r\n", 2));
                ensure_ret(uh_tcp_send(cl, chunk, clen));
                ensure_ret(uh_tcp_send(cl, data, len));
                ensure_ret(uh_tcp_send(cl, "\r\n", 2));
@@ -474,6 +490,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        char *docroot = cl->server->conf->docroot;
        char *pathptr = NULL;
 
        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;
        int no_sym = cl->server->conf->no_symlinks;
        int i = 0;
        struct stat s;
@@ -516,7 +533,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        }
 
        /* create canon path */
        }
 
        /* 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] == '/') )
                {
        {
                if( (buffer[i] == 0) || (buffer[i] == '/') )
                {
@@ -567,7 +584,23 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
                        memcpy(buffer, path_phys, sizeof(buffer));
                        pathptr = &buffer[strlen(buffer)];
 
                        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));
 
                        {
                                strncat(buffer, cl->server->conf->index_file, sizeof(buffer));
 
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