diff -up PyPAM-0.5.0/PAMmodule.c.retval PyPAM-0.5.0/PAMmodule.c

--- PyPAM-0.5.0/PAMmodule.c.retval	2012-05-04 21:47:51.000000000 +0200

+++ PyPAM-0.5.0/PAMmodule.c	2012-05-07 09:42:27.690963206 +0200

@@ -248,7 +248,7 @@ static PyObject * PyPAM_setcred(PyObject

     result = pam_setcred(_self->pamh, flags);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }

@@ -270,7 +270,7 @@ static PyObject * PyPAM_acct_mgmt(PyObje

     result = pam_acct_mgmt(_self->pamh, flags);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }

@@ -292,7 +292,7 @@ static PyObject * PyPAM_chauthtok(PyObje

     result = pam_chauthtok(_self->pamh, flags);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }

@@ -314,7 +314,7 @@ static PyObject * PyPAM_open_session(PyO

     result = pam_open_session(_self->pamh, flags);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }

@@ -336,7 +336,7 @@ static PyObject * PyPAM_close_session(Py

     result = pam_close_session(_self->pamh, flags);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }

@@ -433,7 +433,7 @@ static PyObject * PyPAM_putenv(PyObject

     result = pam_putenv(_self->pamh, val);

     if (result != PAM_SUCCESS) {

-        PyErr_SetString(PyPAM_Error, "Not authenticated");

+        PyPAM_Err(_self, result);

         return NULL;

     }