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/*
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2009-2010 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SSS_KRB5_H__
#define __SSS_KRB5_H__
#include "config.h"
#include <stdbool.h>
#include <talloc.h>
#ifdef HAVE_KRB5_KRB5_H
#include <krb5/krb5.h>
#else
#include <krb5.h>
#endif
#include "util/util.h"
#define KRB5_CHILD_LOG_FILE "krb5_child"
#define LDAP_CHILD_LOG_FILE "ldap_child"
/* MIT Kerberos has the same hardcoded warning interval of 7 days. Due to the
* fact that using the expiration time of a Kerberos password with LDAP
* authentication is presumably a rare case a separate config option is not
* necessary. */
#define KERBEROS_PWEXPIRE_WARNING_TIME (7 * 24 * 60 * 60)
#define KEYTAB_CLEAN_NAME keytab_name ? keytab_name : "default"
#if defined HAVE_KRB5_CC_CACHE_MATCH && defined HAVE_KRB5_CC_GET_FULL_NAME
#define HAVE_KRB5_CC_COLLECTION 1
#endif
const char * KRB5_CALLCONV sss_krb5_get_error_message (krb5_context,
krb5_error_code);
void KRB5_CALLCONV sss_krb5_free_error_message(krb5_context, const char *);
#define KRB5_DEBUG(level, errctx, krb5_error) do { \
const char *__krb5_error_msg; \
__krb5_error_msg = sss_krb5_get_error_message(errctx, krb5_error); \
DEBUG(level, ("%d: [%d][%s]\n", __LINE__, krb5_error, __krb5_error_msg)); \
sss_log(SSS_LOG_ERR, "%s", __krb5_error_msg); \
sss_krb5_free_error_message(errctx, __krb5_error_msg); \
} while(0)
krb5_error_code KRB5_CALLCONV sss_krb5_get_init_creds_opt_alloc(
krb5_context context,
krb5_get_init_creds_opt **opt);
void KRB5_CALLCONV sss_krb5_get_init_creds_opt_free (krb5_context context,
krb5_get_init_creds_opt *opt);
void KRB5_CALLCONV sss_krb5_free_unparsed_name(krb5_context context, char *name);
int sss_krb5_verify_keytab_ex(const char *principal, const char *keytab_name,
krb5_context context, krb5_keytab keytab);
krb5_error_code find_principal_in_keytab(krb5_context ctx,
krb5_keytab keytab,
const char *pattern_primary,
const char *pattern_realm,
krb5_principal *princ);
errno_t select_principal_from_keytab(TALLOC_CTX *mem_ctx,
const char *hostname,
const char *desired_realm,
const char *keytab_name,
char **_principal,
char **_primary,
char **_realm);
#ifndef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_EXPIRE_CALLBACK
typedef void krb5_expire_callback_func(krb5_context context, void *data,
krb5_timestamp password_expiration,
krb5_timestamp account_expiration,
krb5_boolean is_last_req);
#endif
krb5_error_code KRB5_CALLCONV sss_krb5_get_init_creds_opt_set_expire_callback(
krb5_context context,
krb5_get_init_creds_opt *opt,
krb5_expire_callback_func cb,
void *data);
errno_t check_fast(const char *str, bool *use_fast);
krb5_error_code KRB5_CALLCONV sss_krb5_get_init_creds_opt_set_fast_ccache_name(
krb5_context context,
krb5_get_init_creds_opt *opt,
const char *fast_ccache_name);
krb5_error_code KRB5_CALLCONV sss_krb5_get_init_creds_opt_set_fast_flags(
krb5_context context,
krb5_get_init_creds_opt *opt,
krb5_flags flags);
#if HAVE_KRB5_GET_INIT_CREDS_OPT_SET_FAST_FLAGS
#define SSS_KRB5_FAST_REQUIRED KRB5_FAST_REQUIRED
#else
#define SSS_KRB5_FAST_REQUIRED 0
#endif
#ifndef HAVE_KRB5_PARSE_NAME_FLAGS
#define KRB5_PRINCIPAL_PARSE_NO_REALM 0x1
#define KRB5_PRINCIPAL_PARSE_REQUIRE_REALM 0x2
#define KRB5_PRINCIPAL_PARSE_ENTERPRISE 0x4
#endif
krb5_error_code
sss_krb5_parse_name_flags(krb5_context context, const char *name, int flags,
krb5_principal *principal);
#ifndef HAVE_KRB5_UNPARSE_NAME_FLAGS
#define KRB5_PRINCIPAL_UNPARSE_SHORT 0x1
#define KRB5_PRINCIPAL_UNPARSE_NO_REALM 0x2
#define KRB5_PRINCIPAL_UNPARSE_DISPLAY 0x4
#endif
krb5_error_code
sss_krb5_unparse_name_flags(krb5_context context, krb5_const_principal principal,
int flags, char **name);
void sss_krb5_get_init_creds_opt_set_canonicalize(krb5_get_init_creds_opt *opts,
int canonicalize);
enum sss_krb5_cc_type {
SSS_KRB5_TYPE_FILE,
#ifdef HAVE_KRB5_CC_COLLECTION
SSS_KRB5_TYPE_DIR,
SSS_KRB5_TYPE_KEYRING,
#endif /* HAVE_KRB5_CC_COLLECTION */
SSS_KRB5_TYPE_UNKNOWN
};
/* === Compatibility routines for the Heimdal Kerberos implementation === */
void sss_krb5_princ_realm(krb5_context context, krb5_const_principal princ,
const char **realm, int *len);
krb5_error_code
sss_krb5_free_keytab_entry_contents(krb5_context context,
krb5_keytab_entry *entry);
#ifdef HAVE_KRB5_TICKET_TIMES
typedef krb5_ticket_times sss_krb5_ticket_times;
#elif HAVE_KRB5_TIMES
typedef krb5_times sss_krb5_ticket_times;
#endif
/* Redirect libkrb5 tracing towards our DEBUG statements */
errno_t sss_child_set_krb5_tracing(krb5_context ctx);
krb5_error_code sss_krb5_find_authdata(krb5_context context,
krb5_authdata *const *ticket_authdata,
krb5_authdata *const *ap_req_authdata,
krb5_authdatatype ad_type,
krb5_authdata ***results);
krb5_error_code sss_extract_pac(krb5_context ctx,
krb5_ccache ccache,
krb5_principal server_principal,
krb5_principal client_principal,
krb5_keytab keytab,
krb5_authdata ***_pac_authdata);
char * sss_get_ccache_name_for_principal(TALLOC_CTX *mem_ctx,
krb5_context ctx,
krb5_principal principal,
const char *location);
#endif /* __SSS_KRB5_H__ */
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