mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-10-19 10:48:59 +08:00
Chris Johns
474
freebsd/sys/rpc/rpcsec_gss.h
Normal file
474
freebsd/sys/rpc/rpcsec_gss.h
Normal file
@@ -0,0 +1,474 @@
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||||
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2008 Doug Rabson
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* All rights reserved.
|
||||
*
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||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
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||||
*
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||||
* $FreeBSD$
|
||||
*/
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||||
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||||
#ifndef _RPCSEC_GSS_H
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#define _RPCSEC_GSS_H
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||||
|
||||
#include <kgssapi/gssapi.h>
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||||
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||||
#ifndef MAX_GSS_MECH
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#define MAX_GSS_MECH 64
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#endif
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||||
/*
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* Define the types of security service required for rpc_gss_seccreate().
|
||||
*/
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typedef enum {
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||||
rpc_gss_svc_default = 0,
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rpc_gss_svc_none = 1,
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rpc_gss_svc_integrity = 2,
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||||
rpc_gss_svc_privacy = 3
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||||
} rpc_gss_service_t;
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||||
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||||
/*
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||||
* Structure containing options for rpc_gss_seccreate().
|
||||
*/
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||||
typedef struct {
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||||
int req_flags; /* GSS request bits */
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||||
int time_req; /* requested credential lifetime */
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||||
gss_cred_id_t my_cred; /* GSS credential */
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gss_channel_bindings_t input_channel_bindings;
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} rpc_gss_options_req_t;
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/*
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||||
* Structure containing options returned by rpc_gss_seccreate().
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||||
*/
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||||
typedef struct {
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||||
int major_status;
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int minor_status;
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||||
u_int rpcsec_version;
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||||
int ret_flags;
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||||
int time_req;
|
||||
gss_ctx_id_t gss_context;
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char actual_mechanism[MAX_GSS_MECH];
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||||
} rpc_gss_options_ret_t;
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||||
|
||||
/*
|
||||
* Client principal type. Used as an argument to
|
||||
* rpc_gss_get_principal_name(). Also referenced by the
|
||||
* rpc_gss_rawcred_t structure.
|
||||
*/
|
||||
typedef struct {
|
||||
int len;
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||||
char name[1];
|
||||
} *rpc_gss_principal_t;
|
||||
|
||||
/*
|
||||
* Structure for raw credentials used by rpc_gss_getcred() and
|
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* rpc_gss_set_callback().
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*/
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||||
typedef struct {
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||||
u_int version; /* RPC version number */
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const char *mechanism; /* security mechanism */
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const char *qop; /* quality of protection */
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rpc_gss_principal_t client_principal; /* client name */
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const char *svc_principal; /* server name */
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rpc_gss_service_t service; /* service type */
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} rpc_gss_rawcred_t;
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/*
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||||
* Unix credentials derived from raw credentials. Returned by
|
||||
* rpc_gss_getcred().
|
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*/
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||||
typedef struct {
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||||
uid_t uid; /* user ID */
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||||
gid_t gid; /* group ID */
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short gidlen;
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||||
gid_t *gidlist; /* list of groups */
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} rpc_gss_ucred_t;
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/*
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* Structure used to enforce a particular QOP and service.
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*/
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typedef struct {
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||||
bool_t locked;
|
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rpc_gss_rawcred_t *raw_cred;
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||||
} rpc_gss_lock_t;
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||||
|
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/*
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* Callback structure used by rpc_gss_set_callback().
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||||
*/
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typedef struct {
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||||
u_int program; /* RPC program number */
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||||
u_int version; /* RPC version number */
|
||||
/* user defined callback */
|
||||
bool_t (*callback)(struct svc_req *req,
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||||
gss_cred_id_t deleg,
|
||||
gss_ctx_id_t gss_context,
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||||
rpc_gss_lock_t *lock,
|
||||
void **cookie);
|
||||
} rpc_gss_callback_t;
|
||||
|
||||
/*
|
||||
* Structure used to return error information by rpc_gss_get_error()
|
||||
*/
|
||||
typedef struct {
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||||
int rpc_gss_error;
|
||||
int system_error; /* same as errno */
|
||||
} rpc_gss_error_t;
|
||||
|
||||
/*
|
||||
* Values for rpc_gss_error
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||||
*/
|
||||
#define RPC_GSS_ER_SUCCESS 0 /* no error */
|
||||
#define RPC_GSS_ER_SYSTEMERROR 1 /* system error */
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
#ifdef _KERNEL
|
||||
/*
|
||||
* Set up a structure of entry points for the kgssapi module and inline
|
||||
* functions named rpc_gss_XXX_call() to use them, so that the kgssapi
|
||||
* module doesn't need to be loaded for the NFS modules to work using
|
||||
* AUTH_SYS. The kgssapi modules will be loaded by the gssd(8) daemon
|
||||
* when it is started up and the entry points will then be filled in.
|
||||
*/
|
||||
typedef AUTH *rpc_gss_secfind_ftype(CLIENT *clnt, struct ucred *cred,
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||||
const char *principal, gss_OID mech_oid,
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rpc_gss_service_t service);
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||||
typedef void rpc_gss_secpurge_ftype(CLIENT *clnt);
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||||
typedef AUTH *rpc_gss_seccreate_ftype(CLIENT *clnt, struct ucred *cred,
|
||||
const char *clnt_principal, const char *principal,
|
||||
const char *mechanism, rpc_gss_service_t service,
|
||||
const char *qop, rpc_gss_options_req_t *options_req,
|
||||
rpc_gss_options_ret_t *options_ret);
|
||||
typedef bool_t rpc_gss_set_defaults_ftype(AUTH *auth,
|
||||
rpc_gss_service_t service, const char *qop);
|
||||
typedef int rpc_gss_max_data_length_ftype(AUTH *handle,
|
||||
int max_tp_unit_len);
|
||||
typedef void rpc_gss_get_error_ftype(rpc_gss_error_t *error);
|
||||
typedef bool_t rpc_gss_mech_to_oid_ftype(const char *mech, gss_OID *oid_ret);
|
||||
typedef bool_t rpc_gss_oid_to_mech_ftype(gss_OID oid, const char **mech_ret);
|
||||
typedef bool_t rpc_gss_qop_to_num_ftype(const char *qop, const char *mech,
|
||||
u_int *num_ret);
|
||||
typedef const char **rpc_gss_get_mechanisms_ftype(void);
|
||||
typedef bool_t rpc_gss_get_versions_ftype(u_int *vers_hi, u_int *vers_lo);
|
||||
typedef bool_t rpc_gss_is_installed_ftype(const char *mech);
|
||||
typedef bool_t rpc_gss_set_svc_name_ftype(const char *principal,
|
||||
const char *mechanism, u_int req_time, u_int program,
|
||||
u_int version);
|
||||
typedef void rpc_gss_clear_svc_name_ftype(u_int program, u_int version);
|
||||
typedef bool_t rpc_gss_getcred_ftype(struct svc_req *req,
|
||||
rpc_gss_rawcred_t **rcred,
|
||||
rpc_gss_ucred_t **ucred, void **cookie);
|
||||
typedef bool_t rpc_gss_set_callback_ftype(rpc_gss_callback_t *cb);
|
||||
typedef void rpc_gss_clear_callback_ftype(rpc_gss_callback_t *cb);
|
||||
typedef bool_t rpc_gss_get_principal_name_ftype(rpc_gss_principal_t *principal,
|
||||
const char *mech, const char *name, const char *node,
|
||||
const char *domain);
|
||||
typedef int rpc_gss_svc_max_data_length_ftype(struct svc_req *req,
|
||||
int max_tp_unit_len);
|
||||
typedef void rpc_gss_refresh_auth_ftype(AUTH *auth);
|
||||
|
||||
struct rpc_gss_entries {
|
||||
rpc_gss_secfind_ftype *rpc_gss_secfind;
|
||||
rpc_gss_secpurge_ftype *rpc_gss_secpurge;
|
||||
rpc_gss_seccreate_ftype *rpc_gss_seccreate;
|
||||
rpc_gss_set_defaults_ftype *rpc_gss_set_defaults;
|
||||
rpc_gss_max_data_length_ftype *rpc_gss_max_data_length;
|
||||
rpc_gss_get_error_ftype *rpc_gss_get_error;
|
||||
rpc_gss_mech_to_oid_ftype *rpc_gss_mech_to_oid;
|
||||
rpc_gss_oid_to_mech_ftype *rpc_gss_oid_to_mech;
|
||||
rpc_gss_qop_to_num_ftype *rpc_gss_qop_to_num;
|
||||
rpc_gss_get_mechanisms_ftype *rpc_gss_get_mechanisms;
|
||||
rpc_gss_get_versions_ftype *rpc_gss_get_versions;
|
||||
rpc_gss_is_installed_ftype *rpc_gss_is_installed;
|
||||
rpc_gss_set_svc_name_ftype *rpc_gss_set_svc_name;
|
||||
rpc_gss_clear_svc_name_ftype *rpc_gss_clear_svc_name;
|
||||
rpc_gss_getcred_ftype *rpc_gss_getcred;
|
||||
rpc_gss_set_callback_ftype *rpc_gss_set_callback;
|
||||
rpc_gss_clear_callback_ftype *rpc_gss_clear_callback;
|
||||
rpc_gss_get_principal_name_ftype *rpc_gss_get_principal_name;
|
||||
rpc_gss_svc_max_data_length_ftype *rpc_gss_svc_max_data_length;
|
||||
rpc_gss_refresh_auth_ftype *rpc_gss_refresh_auth;
|
||||
};
|
||||
extern struct rpc_gss_entries rpc_gss_entries;
|
||||
|
||||
/* Functions to access the entry points. */
|
||||
static __inline AUTH *
|
||||
rpc_gss_secfind_call(CLIENT *clnt, struct ucred *cred, const char *principal,
|
||||
gss_OID mech_oid, rpc_gss_service_t service)
|
||||
{
|
||||
AUTH *ret = NULL;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_secfind != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_secfind)(clnt, cred, principal,
|
||||
mech_oid, service);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
rpc_gss_secpurge_call(CLIENT *clnt)
|
||||
{
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_secpurge != NULL)
|
||||
(*rpc_gss_entries.rpc_gss_secpurge)(clnt);
|
||||
}
|
||||
|
||||
static __inline AUTH *
|
||||
rpc_gss_seccreate_call(CLIENT *clnt, struct ucred *cred,
|
||||
const char *clnt_principal, const char *principal, const char *mechanism,
|
||||
rpc_gss_service_t service, const char *qop,
|
||||
rpc_gss_options_req_t *options_req, rpc_gss_options_ret_t *options_ret)
|
||||
{
|
||||
AUTH *ret = NULL;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_seccreate != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_seccreate)(clnt, cred,
|
||||
clnt_principal, principal, mechanism, service, qop,
|
||||
options_req, options_ret);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_set_defaults_call(AUTH *auth, rpc_gss_service_t service,
|
||||
const char *qop)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_set_defaults != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_set_defaults)(auth, service,
|
||||
qop);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
rpc_gss_max_data_length_call(AUTH *handle, int max_tp_unit_len)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_max_data_length != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_max_data_length)(handle,
|
||||
max_tp_unit_len);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
rpc_gss_get_error_call(rpc_gss_error_t *error)
|
||||
{
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_get_error != NULL)
|
||||
(*rpc_gss_entries.rpc_gss_get_error)(error);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_mech_to_oid_call(const char *mech, gss_OID *oid_ret)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_mech_to_oid != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_mech_to_oid)(mech, oid_ret);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_oid_to_mech_call(gss_OID oid, const char **mech_ret)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_oid_to_mech != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_oid_to_mech)(oid, mech_ret);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_qop_to_num_call(const char *qop, const char *mech, u_int *num_ret)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_qop_to_num != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_qop_to_num)(qop, mech, num_ret);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline const char **
|
||||
rpc_gss_get_mechanisms_call(void)
|
||||
{
|
||||
const char **ret = NULL;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_get_mechanisms != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_get_mechanisms)();
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_get_versions_call(u_int *vers_hi, u_int *vers_lo)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_get_versions != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_get_versions)(vers_hi, vers_lo);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_is_installed_call(const char *mech)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_is_installed != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_is_installed)(mech);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_set_svc_name_call(const char *principal, const char *mechanism,
|
||||
u_int req_time, u_int program, u_int version)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_set_svc_name != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_set_svc_name)(principal,
|
||||
mechanism, req_time, program, version);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
rpc_gss_clear_svc_name_call(u_int program, u_int version)
|
||||
{
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_clear_svc_name != NULL)
|
||||
(*rpc_gss_entries.rpc_gss_clear_svc_name)(program, version);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_getcred_call(struct svc_req *req, rpc_gss_rawcred_t **rcred,
|
||||
rpc_gss_ucred_t **ucred, void **cookie)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_getcred != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_getcred)(req, rcred, ucred,
|
||||
cookie);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_set_callback_call(rpc_gss_callback_t *cb)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_set_callback != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_set_callback)(cb);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
rpc_gss_clear_callback_call(rpc_gss_callback_t *cb)
|
||||
{
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_clear_callback != NULL)
|
||||
(*rpc_gss_entries.rpc_gss_clear_callback)(cb);
|
||||
}
|
||||
|
||||
static __inline bool_t
|
||||
rpc_gss_get_principal_name_call(rpc_gss_principal_t *principal,
|
||||
const char *mech, const char *name, const char *node, const char *domain)
|
||||
{
|
||||
bool_t ret = 1;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_get_principal_name != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_get_principal_name)(principal,
|
||||
mech, name, node, domain);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
rpc_gss_svc_max_data_length_call(struct svc_req *req, int max_tp_unit_len)
|
||||
{
|
||||
int ret = 0;
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_svc_max_data_length != NULL)
|
||||
ret = (*rpc_gss_entries.rpc_gss_svc_max_data_length)(req,
|
||||
max_tp_unit_len);
|
||||
return (ret);
|
||||
}
|
||||
|
||||
static __inline void
|
||||
rpc_gss_refresh_auth_call(AUTH *auth)
|
||||
{
|
||||
|
||||
if (rpc_gss_entries.rpc_gss_refresh_auth != NULL)
|
||||
(*rpc_gss_entries.rpc_gss_refresh_auth)(auth);
|
||||
}
|
||||
|
||||
AUTH *rpc_gss_secfind(CLIENT *clnt, struct ucred *cred,
|
||||
const char *principal, gss_OID mech_oid, rpc_gss_service_t service);
|
||||
void rpc_gss_secpurge(CLIENT *clnt);
|
||||
void rpc_gss_refresh_auth(AUTH *auth);
|
||||
AUTH *rpc_gss_seccreate(CLIENT *clnt, struct ucred *cred,
|
||||
const char *clnt_principal, const char *principal,
|
||||
const char *mechanism, rpc_gss_service_t service,
|
||||
const char *qop, rpc_gss_options_req_t *options_req,
|
||||
rpc_gss_options_ret_t *options_ret);
|
||||
#else /* !_KERNEL */
|
||||
AUTH *rpc_gss_seccreate(CLIENT *clnt, struct ucred *cred,
|
||||
const char *principal, const char *mechanism, rpc_gss_service_t service,
|
||||
const char *qop, rpc_gss_options_req_t *options_req,
|
||||
rpc_gss_options_ret_t *options_ret);
|
||||
#endif /* _KERNEL */
|
||||
bool_t rpc_gss_set_defaults(AUTH *auth, rpc_gss_service_t service,
|
||||
const char *qop);
|
||||
int rpc_gss_max_data_length(AUTH *handle, int max_tp_unit_len);
|
||||
void rpc_gss_get_error(rpc_gss_error_t *error);
|
||||
|
||||
bool_t rpc_gss_mech_to_oid(const char *mech, gss_OID *oid_ret);
|
||||
bool_t rpc_gss_oid_to_mech(gss_OID oid, const char **mech_ret);
|
||||
bool_t rpc_gss_qop_to_num(const char *qop, const char *mech, u_int *num_ret);
|
||||
const char **rpc_gss_get_mechanisms(void);
|
||||
const char **rpc_gss_get_mech_info(const char *mech, rpc_gss_service_t *service);
|
||||
bool_t rpc_gss_get_versions(u_int *vers_hi, u_int *vers_lo);
|
||||
bool_t rpc_gss_is_installed(const char *mech);
|
||||
|
||||
bool_t rpc_gss_set_svc_name(const char *principal, const char *mechanism,
|
||||
u_int req_time, u_int program, u_int version);
|
||||
void rpc_gss_clear_svc_name(u_int program, u_int version);
|
||||
bool_t rpc_gss_getcred(struct svc_req *req, rpc_gss_rawcred_t **rcred,
|
||||
rpc_gss_ucred_t **ucred, void **cookie);
|
||||
bool_t rpc_gss_set_callback(rpc_gss_callback_t *cb);
|
||||
void rpc_gss_clear_callback(rpc_gss_callback_t *cb);
|
||||
bool_t rpc_gss_get_principal_name(rpc_gss_principal_t *principal,
|
||||
const char *mech, const char *name, const char *node, const char *domain);
|
||||
int rpc_gss_svc_max_data_length(struct svc_req *req, int max_tp_unit_len);
|
||||
|
||||
/*
|
||||
* Internal interface from the RPC implementation.
|
||||
*/
|
||||
#ifndef _KERNEL
|
||||
bool_t __rpc_gss_wrap(AUTH *auth, void *header, size_t headerlen,
|
||||
XDR* xdrs, xdrproc_t xdr_args, void *args_ptr);
|
||||
bool_t __rpc_gss_unwrap(AUTH *auth, XDR* xdrs, xdrproc_t xdr_args,
|
||||
void *args_ptr);
|
||||
#endif
|
||||
bool_t __rpc_gss_set_error(int rpc_gss_error, int system_error);
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif /* !_RPCSEC_GSS_H */
|
||||
Reference in New Issue
Block a user