fix use-after-realloc issue with the request url

[project/uhttpd.git] / proc.c

diff --git a/proc.c b/proc.c
index 351b473..425576e 100644 (file)
--- a/proc.c
+++ b/proc.c
@@ -123,9 +123,11 @@ struct env_var *uh_get_process_vars(struct client *cl, struct path_info *pi)
        struct blob_attr *data = cl->hdr.head;
        struct env_var *vars = (void *) uh_buf;
        struct blob_attr *tb[__HDR_MAX];
+       const char *url;
        int len;
        int i;
 
+       url = blobmsg_data(blob_data(cl->hdr.head));
        len = ARRAY_SIZE(proc_header_env);
        len += ARRAY_SIZE(extra_vars);
        len *= sizeof(struct env_var);
@@ -136,7 +138,7 @@ struct env_var *uh_get_process_vars(struct client *cl, struct path_info *pi)
        extra_vars[VAR_SCRIPT_FILE].value = pi->phys;
        extra_vars[VAR_DOCROOT].value = pi->root;
        extra_vars[VAR_QUERY].value = pi->query ? pi->query : "";
-       extra_vars[VAR_REQUEST].value = req->url;
+       extra_vars[VAR_REQUEST].value = url;
        extra_vars[VAR_PROTO].value = http_versions[req->version];
        extra_vars[VAR_METHOD].value = http_methods[req->method];
        extra_vars[VAR_PATH_INFO].value = pi->info;