119 lines
2.9 KiB
C
119 lines
2.9 KiB
C
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/* $XConsortium: utils.c /main/4 1996/05/09 04:27:30 drk $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992-1995, by Sun Microsystems, Inc.
|
|
* All rights reserved.
|
|
*/
|
|
|
|
#ident "@(#)utils.c 1.13 95/09/19 SMI"
|
|
|
|
#include <dce/sec_login.h>
|
|
#include <security/pam_appl.h>
|
|
#include <pwd.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <malloc.h>
|
|
|
|
#include "utils.h"
|
|
|
|
/* ******************************************************************** */
|
|
/* */
|
|
/* Utilities Functions */
|
|
/* */
|
|
/* ******************************************************************** */
|
|
|
|
|
|
/* return a string given an error status */
|
|
|
|
unsigned char *
|
|
get_dce_error_message(
|
|
error_status_t status,
|
|
unsigned char *buffer
|
|
)
|
|
{
|
|
int s;
|
|
|
|
dce_error_inq_text(status, buffer, &s);
|
|
|
|
if (s)
|
|
sprintf((char *)buffer, "DCE error %u", status);
|
|
|
|
return (buffer);
|
|
}
|
|
|
|
/* release login_context resources. if we are returning PAM_SUCCESS */
|
|
/* we also have to save KRB5CCNAME and set it after calling release */
|
|
/* because s_l_release_c unset's it even though we still need it */
|
|
|
|
void
|
|
pam_sec_login_free_context(
|
|
int pam_status,
|
|
sec_login_handle_t *login_context,
|
|
error_status_t *st)
|
|
{
|
|
if (pam_status == PAM_SUCCESS) {
|
|
static char *krb5 = "KRB5CCNAME";
|
|
char *krb5_value = NULL;
|
|
char *env = getenv(krb5);
|
|
|
|
if (env) {
|
|
/* we MUST malloc this for the putenv to work! */
|
|
krb5_value = malloc(strlen(krb5)+1+strlen(env)+1);
|
|
if (krb5_value)
|
|
sprintf(krb5_value, "%s=%s", krb5, env);
|
|
}
|
|
|
|
sec_login_release_context(login_context, st);
|
|
|
|
if (krb5_value)
|
|
putenv(krb5_value);
|
|
|
|
} else { /* login failed. purge this context */
|
|
|
|
sec_login_purge_context(login_context, st);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* get_pw_uid():
|
|
* To get the uid from the passwd entry for specified user
|
|
* It returns 0 if the user can't be found, otherwise returns 1.
|
|
*/
|
|
|
|
int
|
|
get_pw_uid(char *user, uid_t *uid)
|
|
{
|
|
struct passwd sp;
|
|
char buffer[1024];
|
|
|
|
if (getpwnam_r(user, &sp, buffer, sizeof (buffer)) == NULL) {
|
|
return (0);
|
|
}
|
|
|
|
*uid = sp.pw_uid;
|
|
|
|
return (1);
|
|
}
|