4 * $Id: pam_end.c,v 1.5 1996/12/01 03:14:13 morgan Exp $
5 * $FreeBSD: src/contrib/libpam/libpam/pam_end.c,v 1.1.1.1.6.2 2001/06/11 15:28:12 markm Exp $
12 #include "pam_private.h"
14 int pam_end(pam_handle_t *pamh, int pam_status)
18 IF_NO_PAMH("pam_end", pamh, PAM_SYSTEM_ERR);
20 D(("entering pam_end()"));
22 /* first liberate the modules (it is not inconcevible that the
23 modules may need to use the service_name etc. to clean up) */
25 _pam_free_data(pamh, pam_status);
27 /* now drop all modules */
29 if ((ret = _pam_free_handlers(pamh)) != PAM_SUCCESS) {
30 return ret; /* error occurred */
33 /* from this point we cannot call the modules any more. Free the remaining
34 memory used by the Linux-PAM interface */
36 _pam_drop_env(pamh); /* purge the environment */
38 _pam_overwrite(pamh->authtok); /* blank out old token */
39 _pam_drop(pamh->authtok);
41 _pam_overwrite(pamh->oldauthtok); /* blank out old token */
42 _pam_drop(pamh->oldauthtok);
44 _pam_overwrite(pamh->former.prompt);
45 _pam_drop(pamh->former.prompt); /* drop saved prompt */
47 _pam_overwrite(pamh->service_name);
48 _pam_drop(pamh->service_name);
50 _pam_overwrite(pamh->user);
51 _pam_drop(pamh->user);
53 _pam_overwrite(pamh->prompt);
54 _pam_drop(pamh->prompt); /* prompt for pam_get_user() */
56 _pam_overwrite(pamh->tty);
59 _pam_overwrite(pamh->rhost);
60 _pam_drop(pamh->rhost);
62 _pam_overwrite(pamh->ruser);
63 _pam_drop(pamh->ruser);
65 _pam_drop(pamh->pam_conversation);
66 pamh->fail_delay.delay_fn_ptr = NULL;
68 _pam_overwrite(pamh->pam_default_log.ident);
69 _pam_drop(pamh->pam_default_log.ident);
71 /* and finally liberate the memory for the pam_handle structure */
75 D(("exiting pam_end() successfully"));