[nginx] Auth basic: prevent null character in error log (ticket #1494).

[Maxim Dounin]

details:   http://hg.nginx.org/nginx/rev/e48ac0136ee3
branches:  
changeset: 7218:e48ac0136ee3
user:      Vadim Filimonov <fffilimonov at yandex.ru>
date:      Mon Feb 26 16:52:20 2018 +0200
description:
Auth basic: prevent null character in error log (ticket #1494).

diffstat:

 src/http/modules/ngx_http_auth_basic_module.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (14 lines):

diff --git a/src/http/modules/ngx_http_auth_basic_module.c b/src/http/modules/ngx_http_auth_basic_module.c
--- a/src/http/modules/ngx_http_auth_basic_module.c
+++ b/src/http/modules/ngx_http_auth_basic_module.c
@@ -266,8 +266,8 @@ ngx_http_auth_basic_handler(ngx_http_req
     }
 
     ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
-                  "user \"%V\" was not found in \"%V\"",
-                  &r->headers_in.user, &user_file);
+                  "user \"%V\" was not found in \"%s\"",
+                  &r->headers_in.user, user_file.data);
 
     return ngx_http_auth_basic_set_realm(r, &realm);
 }