upstream: add a local implementation of BSD realpath() for

sftp-server use ahead of OpenBSD's realpath changing to match POSIX;

ok deraadt@ (thanks for snaps testing)

OpenBSD-Commit-ID: 4f8cbf7ed8679f6237264301d104ecec64885d55

1 files changed, 4 insertions, 2 deletions

diff --git a/sftp-server.c b/sftp-server.c
index e7dd33b2f..359204fa7 100644
--- a/sftp-server.c
+++ b/sftp-server.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-server.c,v 1.116 2019/06/28 13:35:04 deraadt Exp $ */
+/* $OpenBSD: sftp-server.c,v 1.117 2019/07/05 04:55:40 djm Exp $ */
 /*
  * Copyright (c) 2000-2004 Markus Friedl.  All rights reserved.
  *
@@ -51,6 +51,8 @@
 #include "sftp.h"
 #include "sftp-common.h"
 
+char *sftp_realpath(const char *, char *); /* sftp-realpath.c */
+
 /* Our verbosity */
 static LogLevel log_level = SYSLOG_LEVEL_ERROR;
 
@@ -1174,7 +1176,7 @@ process_realpath(u_int32_t id)
         }
         debug3("request %u: realpath", id);
         verbose("realpath \"%s\"", path);
-        if (realpath(path, resolvedname) == NULL) {
+        if (sftp_realpath(path, resolvedname) == NULL) {
                 send_status(id, errno_to_portable(errno));
         } else {
                 Stat s;