s3:client: Use KRB5CCNAME in smbspool_krb5_wrapper if set

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/source3/client/smbspool_krb5_wrapper.c b/source3/client/smbspool_krb5_wrapper.c
index a72006a4c4fec62205c3c0131fc8772720f7fb77..9a82b2a7b699daee311f29ebac70e1417b366cd9 100644 (file)
--- a/source3/client/smbspool_krb5_wrapper.c
+++ b/source3/client/smbspool_krb5_wrapper.c
@@ -181,6 +181,13 @@ int main(int argc, char *argv[])
                return CUPS_BACKEND_FAILED;
        }
 
+       env = getenv("KRB5CCNAME");
+       if (env != NULL && env[0] != 0) {
+               snprintf(gen_cc, sizeof(gen_cc), "%s", env);
+
+               goto create_env;
+       }
+
        snprintf(gen_cc, sizeof(gen_cc), "/tmp/krb5cc_%d", uid);
 
        rc = lstat(gen_cc, &sb);
@@ -205,6 +212,7 @@ int main(int argc, char *argv[])
                }
        }
 
+create_env:
        /*
         * Make sure we do not have LD_PRELOAD or other security relevant
         * environment variables set.