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Viewing changes to Linux-PAM/libpam/pam_end.c

  • Committer: Bazaar Package Importer
  • Author(s): Sam Hartman
  • Date: 2004-06-28 14:28:08 UTC
  • mfrom: (2.1.1 warty)
  • Revision ID: james.westby@ubuntu.com-20040628142808-adikk7vtfg3pzcjw
Tags: 0.76-22
http://bugs.debian.org/254904
* Add uploaders
* Document location of repository
* Fix options containing arguments in pam_unix, Closes: #254904

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Linux-PAM/libpam/pam_end.c
 
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/* pam_end.c */
 
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/*
 
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 * $Id: pam_end.c,v 1.1 2001/04/29 04:17:05 hartmans Exp $
 
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 */
 
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#include <stdlib.h>
 
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#include "pam_private.h"
 
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int pam_end(pam_handle_t *pamh, int pam_status)
 
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{
 
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    int ret;
 
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    D(("entering pam_end()"));
 
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    IF_NO_PAMH("pam_end", pamh, PAM_SYSTEM_ERR);
 
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    if (__PAM_FROM_MODULE(pamh)) {
 
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        D(("called from module!?"));
 
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        return PAM_SYSTEM_ERR;
 
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    }
 
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    /* first liberate the modules (it is not inconcevible that the
 
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       modules may need to use the service_name etc. to clean up) */
 
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    _pam_free_data(pamh, pam_status);
 
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    /* now drop all modules */
 
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    if ((ret = _pam_free_handlers(pamh)) != PAM_SUCCESS) {
 
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        return ret;                 /* error occurred */
 
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    }
 
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    /* from this point we cannot call the modules any more. Free the remaining
 
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       memory used by the Linux-PAM interface */
 
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    _pam_drop_env(pamh);                      /* purge the environment */
 
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    _pam_overwrite(pamh->authtok);            /* blank out old token */
 
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    _pam_drop(pamh->authtok);
 
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    _pam_overwrite(pamh->oldauthtok);         /* blank out old token */
 
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    _pam_drop(pamh->oldauthtok);
 
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    _pam_overwrite(pamh->former.prompt);
 
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    _pam_drop(pamh->former.prompt);           /* drop saved prompt */
 
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    _pam_overwrite(pamh->service_name);
 
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    _pam_drop(pamh->service_name);
 
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    _pam_overwrite(pamh->user);
 
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    _pam_drop(pamh->user);
 
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    _pam_overwrite(pamh->prompt);
 
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    _pam_drop(pamh->prompt);                  /* prompt for pam_get_user() */
 
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    _pam_overwrite(pamh->tty);
 
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    _pam_drop(pamh->tty);
 
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    _pam_overwrite(pamh->rhost);
 
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    _pam_drop(pamh->rhost);
 
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    _pam_overwrite(pamh->ruser);
 
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    _pam_drop(pamh->ruser);
 
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    _pam_drop(pamh->pam_conversation);
 
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    pamh->fail_delay.delay_fn_ptr = NULL;
 
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    /* and finally liberate the memory for the pam_handle structure */
 
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    _pam_drop(pamh);
 
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    D(("exiting pam_end() successfully"));
 
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    return PAM_SUCCESS;
 
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}