[PATCH] policycoreutils/chcat: Add a fallback in case os.getlogin() returns nothing

[Laurent Bigonville <bigon@xxxxxxxxxx>]

From: Laurent Bigonville <bigon@xxxxxxxx>

Some teminal emulators (like the latest version of gnome-terminal) are
not setting entries in the utmp file, this leads getlogin() to return an
empty string.

Fallback to the name of the user running the chcat process.
---
 policycoreutils/scripts/chcat | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/policycoreutils/scripts/chcat b/policycoreutils/scripts/chcat
index ec527e5..472785c 100755
--- a/policycoreutils/scripts/chcat
+++ b/policycoreutils/scripts/chcat
@@ -372,7 +372,10 @@ def listcats():
 
 def listusercats(users):
     if len(users) == 0:
-        users.append(os.getlogin())
+        try:
+            users.append(os.getlogin())
+        except:
+            users.append(pwd.getpwuid(os.getuid()).pw_name)
 
     verify_users(users)
     for u in users:
-- 
2.6.4

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