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/*
SSSD
Kerberos Backend, private header file
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (C) 2009 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 __KRB5_AUTH_H__
#define __KRB5_AUTH_H__
#include <pcre.h>
#include "util/sss_krb5.h"
#include "providers/backend.h"
#include "util/child_common.h"
#include "providers/krb5/krb5_common.h"
#include "providers/krb5/krb5_ccache.h"
#define CCACHE_ENV_NAME "KRB5CCNAME"
#define ILLEGAL_PATH_PATTERN "//|/\\./|/\\.\\./"
struct krb5child_req {
struct pam_data *pd;
struct krb5_ctx *krb5_ctx;
const char *ccname;
const char *old_ccname;
const char *homedir;
char *upn;
uid_t uid;
gid_t gid;
bool is_offline;
struct fo_server *srv;
struct fo_server *kpasswd_srv;
bool active_ccache;
bool valid_tgt;
bool upn_from_different_realm;
bool send_pac;
const char *user;
};
errno_t krb5_setup(TALLOC_CTX *mem_ctx, struct pam_data *pd,
struct krb5_ctx *krb5_ctx, bool case_sensitive,
struct krb5child_req **krb5_req);
struct tevent_req *
krb5_pam_handler_send(TALLOC_CTX *mem_ctx,
struct krb5_ctx *krb5_ctx,
struct pam_data *pd,
struct dp_req_params *params);
errno_t
krb5_pam_handler_recv(TALLOC_CTX *mem_ctx,
struct tevent_req *req,
struct pam_data **_data);
/* Please use krb5_auth_send/recv *only* if you're certain there can't
* be concurrent logins happening. With some ccache back ends, the ccache
* files might clobber one another. Please use krb5_auth_queue_send()
* instead that queues the requests
*/
struct tevent_req *krb5_auth_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct be_ctx *be_ctx,
struct pam_data *pd,
struct krb5_ctx *krb5_ctx);
int krb5_auth_recv(struct tevent_req *req, int *pam_status, int *dp_err);
struct tevent_req *handle_child_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct krb5child_req *kr);
int handle_child_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint8_t **buf, ssize_t *len);
struct krb5_child_response {
int32_t msg_status;
struct tgt_times tgtt;
char *ccname;
char *correct_upn;
bool otp;
};
errno_t
parse_krb5_child_response(TALLOC_CTX *mem_ctx, uint8_t *buf, ssize_t len,
struct pam_data *pd, int pwd_exp_warning,
struct krb5_child_response **_res);
errno_t add_user_to_delayed_online_authentication(struct krb5_ctx *krb5_ctx,
struct pam_data *pd,
uid_t uid);
errno_t init_delayed_online_authentication(struct krb5_ctx *krb5_ctx,
struct be_ctx *be_ctx,
struct tevent_context *ev);
errno_t init_renew_tgt(struct krb5_ctx *krb5_ctx, struct be_ctx *be_ctx,
struct tevent_context *ev, time_t renew_intv);
errno_t add_tgt_to_renew_table(struct krb5_ctx *krb5_ctx, const char *ccfile,
struct tgt_times *tgtt, struct pam_data *pd,
const char *upn);
/* krb5_access.c */
struct tevent_req *krb5_access_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct be_ctx *be_ctx,
struct pam_data *pd,
struct krb5_ctx *krb5_ctx);
int krb5_access_recv(struct tevent_req *req, bool *access_allowed);
/* krb5_wait_queue.c */
struct tevent_req *krb5_auth_queue_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct be_ctx *be_ctx,
struct pam_data *pd,
struct krb5_ctx *krb5_ctx);
int krb5_auth_queue_recv(struct tevent_req *req,
int *_pam_status,
int *_dp_err);
#endif /* __KRB5_AUTH_H__ */
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