From: Clint Byrum <clint@ubuntu.com>
Subject: Removes enclosed quotes from value that is put into environment.
Bug-Ubuntu: https://launchpad.net/bugs/251795

Index: krb5-appl/bsd/login.c
===================================================================
--- krb5-appl.orig/bsd/login.c	2011-06-10 12:14:37.390300896 -0700
+++ krb5-appl/bsd/login.c	2011-06-10 12:21:37.984533048 -0700
@@ -682,6 +682,19 @@
 	    if (p)
 		*p = 0;
 	    *eq++ = 0;
+
+        /* parse out enclosed quotes */
+        if (*eq == '"') {
+            if (*p == '"') {
+              *p = 0;
+              *p--;
+              *eq++;
+            } else {
+              /* bad line -- unterminated quote */
+              continue;
+            }
+        }
+
 	    /* Don't override, in case -p was used.  */
 	    setenv (tbuf, eq, 0);
 	}