+++ /dev/null
-/*
- * Copyright (c) 1999-2005, 2007, 2010
- * Todd C. Miller <Todd.Miller@courtesan.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Sponsored in part by the Defense Advanced Research Projects
- * Agency (DARPA) and Air Force Research Laboratory, Air Force
- * Materiel Command, USAF, under agreement number F39502-99-1-0512.
- */
-
-#include <config.h>
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <stdio.h>
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif /* STDC_HEADERS */
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif /* HAVE_UNISTD_H */
-#include <pwd.h>
-#include <krb.h>
-
-#include "sudo.h"
-#include "sudo_auth.h"
-
-int
-kerb4_init(pw, promptp, auth)
- struct passwd *pw;
- char **promptp;
- sudo_auth *auth;
-{
- static char realm[REALM_SZ];
-
- /* Don't try to verify root */
- if (pw->pw_uid == 0)
- return(AUTH_FAILURE);
-
- /* Get the local realm, or retrun failure (no krb.conf) */
- if (krb_get_lrealm(realm, 1) != KSUCCESS)
- return(AUTH_FAILURE);
-
- /* Stash a pointer to the realm (used in kerb4_verify) */
- auth->data = (void *) realm;
-
- return(AUTH_SUCCESS);
-}
-
-int
-kerb4_verify(pw, pass, auth)
- struct passwd *pw;
- char *pass;
- sudo_auth *auth;
-{
- char tkfile[sizeof(_PATH_SUDO_TIMEDIR) + 4 + MAX_UID_T_LEN];
- char *realm = (char *) auth->data;
- int error;
-
- /*
- * Set the ticket file to be in sudo sudo timedir so we don't
- * wipe out other (real) kerberos tickets.
- */
- (void) snprintf(tkfile, sizeof(tkfile), "%s/tkt%lu",
- _PATH_SUDO_TIMEDIR, (unsigned long) pw->pw_uid);
- (void) krb_set_tkt_string(tkfile);
-
- /* Convert the password to a ticket given. */
- error = krb_get_pw_in_tkt(pw->pw_name, "", realm, "krbtgt", realm,
- DEFAULT_TKT_LIFE, pass);
-
- switch (error) {
- case INTK_OK:
- dest_tkt(); /* we are done with the temp ticket */
- return(AUTH_SUCCESS);
- break;
- case INTK_BADPW:
- case KDC_PR_UNKNOWN:
- break;
- default:
- (void) fprintf(stderr, "Warning: Kerberos error: %s\n",
- krb_err_txt[error]);
- }
-
- return(AUTH_FAILURE);
-}