Dav: fixed ngx_copy_file() to truncate destination file.

Previously, ngx_open_file(NGX_FILE_CREATE_OR_OPEN) was used, resulting in destination file being partially rewritten if exists. Notably, this affected WebDAV COPY command (ticket #1576).
nginx · Jul 31, 2018 · 6bff9c9 · 6bff9c9
1 parent d5c43bf
commit 6bff9c9
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
@@ -839,8 +839,7 @@ ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf)
         goto failed;
     }
 
-    nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_CREATE_OR_OPEN,
-                        cf->access);
+    nfd = ngx_open_file(to, NGX_FILE_WRONLY, NGX_FILE_TRUNCATE, cf->access);
 
     if (nfd == NGX_INVALID_FILE) {
         ngx_log_error(NGX_LOG_CRIT, cf->log, ngx_errno,