X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Fsys%2Fluasrc%2Fsys.lua;h=0c18a3636ae545e976e9d839e47b3953bd3d433e;hp=0bf92e9da4a20d734ae95cedf4911a466bcb510f;hb=07a8c9c43ddecbad508096b8bb1c86bb92c869d1;hpb=fb2f4af1fbc0170827b7ed17be681a30fc0fca86

diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index 0bf92e9da..0c18a3636 100644
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -440,11 +440,17 @@ function user.checkpasswd(username, password)
 		local pwd = account.passwd
 		local shadowpw
 		if #pwd == 1 then
-			for l in io.lines("/etc/shadow") do
-				shadowpw = l:match("^%s:([^:]+)" % username)
-				if shadowpw then
-					pwd = shadowpw
-					break
+			if luci.fs.stat("/etc/shadow") then
+				if not pcall(function()
+					for l in io.lines("/etc/shadow") do
+						shadowpw = l:match("^%s:([^:]+)" % username)
+						if shadowpw then
+							pwd = shadowpw
+							break
+						end
+					end
+				end) then
+					return nil, "Unable to access shadow-file"
 				end
 			end