From: Guido Schulz <guido.schulz@mettenmeier.de>
Date: Wed, 7 Nov 2018 16:25:58 +0000 (+0100)
Subject: Fix full-pathname for extraction with unc working directory on windows
X-Git-Tag: v3.4.0~104^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F1083%2Fhead;p=thirdparty%2Flibarchive.git

Fix full-pathname for extraction with unc working directory on windows

Fix full-pathname for extraction with unc working directory on windows
---

diff --git a/libarchive/archive_write_disk_windows.c b/libarchive/archive_write_disk_windows.c
index 78eda4abc..a68db6e2b 100644
--- a/libarchive/archive_write_disk_windows.c
+++ b/libarchive/archive_write_disk_windows.c
@@ -474,6 +474,11 @@ permissive_name_w(struct archive_write_disk *a)
 	{
 		archive_wstrncpy(&(a->_name_data), wsp, l);
 	}
+	else if (l > 2 && wsp[0] == L'\\' && wsp[1] == L'\\' && wsp[2] != L'\\')
+	{
+		archive_wstrncpy(&(a->_name_data), L"\\\\?\\UNC\\", 8);
+		archive_wstrncat(&(a->_name_data), wsp+2, l-2);
+	}
 	else
 	{
 		archive_wstrncpy(&(a->_name_data), L"\\\\?\\", 4);