mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
231 lines
7 KiB
Groff
231 lines
7 KiB
Groff
.\" Copyright (c) 2008 Isilon Inc http://www.isilon.com/
|
|
.\" Authors: Doug Rabson <dfr@rabson.org>
|
|
.\" Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.Dd January 26, 2010
|
|
.Dt RPC_GSS_SECCREATE 3
|
|
.Os
|
|
.Sh NAME
|
|
.Nm RPCSEC_GSS
|
|
.Nd "GSS-API based authentication for RPC"
|
|
.Sh LIBRARY
|
|
.Lb librpcsec_gss
|
|
.Sh SYNOPSIS
|
|
.In rpc/rpcsec_gss.h
|
|
.Sh DESCRIPTION
|
|
.Nm
|
|
is a security mechanism for the RPC protocol.
|
|
It uses the Generic Security Service API (GSS-API) to establish a
|
|
security context between a client and a server and to ensure that all
|
|
subsequent communication between client and server are properly
|
|
authenticated.
|
|
Optionally, extra protection can be applied to the connection.
|
|
The integrity service uses checksums to ensure that all data sent by
|
|
a peer is received without modification.
|
|
The privacy service uses encryption to ensure that no third party can
|
|
access the data for a connection.
|
|
.Pp
|
|
To use this system, an application must first use
|
|
.Fn rpc_gss_seccreate
|
|
to establish a security context.
|
|
.Sh DATA STRUCTURES
|
|
Data structures used by
|
|
.Nm
|
|
appear below.
|
|
.Bl -tag -width "MMMM"
|
|
.It Vt rpc_gss_service_t
|
|
This type defines the types of security service required for
|
|
.Fn rpc_gss_seccreate .
|
|
.Bd -literal
|
|
typedef enum {
|
|
rpc_gss_svc_default = 0,
|
|
rpc_gss_svc_none = 1,
|
|
rpc_gss_svc_integrity = 2,
|
|
rpc_gss_svc_privacy = 3
|
|
} rpc_gss_service_t;
|
|
.Ed
|
|
.It Vt rpc_gss_options_ret_t
|
|
This structure contains various optional values which are used while
|
|
creating a security contect.
|
|
.Bd -literal
|
|
typedef struct {
|
|
int req_flags; /* GSS request bits */
|
|
int time_req; /* requested lifetime */
|
|
gss_cred_id_t my_cred; /* GSS credential */
|
|
gss_channel_bindings_t input_channel_bindings;
|
|
} rpc_gss_options_req_t;
|
|
.Ed
|
|
.It Vt rpc_gss_options_ret_t
|
|
Various details of the created security context are returned using
|
|
this structure.
|
|
.Bd -literal
|
|
typedef struct {
|
|
int major_status;
|
|
int minor_status;
|
|
u_int rpcsec_version;
|
|
int ret_flags;
|
|
int time_req;
|
|
gss_ctx_id_t gss_context;
|
|
char actual_mechanism[MAX_GSS_MECH];
|
|
} rpc_gss_options_ret_t;
|
|
.Ed
|
|
.It Vt rpc_gss_principal_t
|
|
This type is used to refer to an client principal which is represented
|
|
in GSS-API exported name form
|
|
(see
|
|
.Xr gss_export_name 3
|
|
for more details).
|
|
Names in this format may be stored in access control lists or compared
|
|
with other names in exported name form.
|
|
This structure is returned by
|
|
.Fn rpc_gss_get_principal_name
|
|
and is also referenced by the
|
|
.Vt rpc_gss_rawcred_t
|
|
structure.
|
|
.Bd -literal
|
|
typedef struct {
|
|
int len;
|
|
char name[1];
|
|
} *rpc_gss_principal_t;
|
|
.Ed
|
|
.It Vt rpc_gss_rawcred_t
|
|
This structure is used to access the raw credentials associated with a
|
|
security context.
|
|
.Bd -literal
|
|
typedef struct {
|
|
u_int version; /* RPC version number */
|
|
const char *mechanism; /* security mechanism */
|
|
const char *qop; /* quality of protection */
|
|
rpc_gss_principal_t client_principal; /* client name */
|
|
const char *svc_principal; /* server name */
|
|
rpc_gss_service_t service; /* service type */
|
|
} rpc_gss_rawcred_t;
|
|
.Ed
|
|
.It Vt rpc_gss_ucred_t
|
|
Unix credentials which are derived form the raw credentials,
|
|
accessed via
|
|
.Fn rpc_gss_getcred .
|
|
.Bd -literal
|
|
typedef struct {
|
|
uid_t uid; /* user ID */
|
|
gid_t gid; /* group ID */
|
|
short gidlen;
|
|
gid_t *gidlist; /* list of groups */
|
|
} rpc_gss_ucred_t;
|
|
.Ed
|
|
.It Vt rpc_gss_lock_t
|
|
Structure used to enforce a particular QOP and service.
|
|
.Bd -literal
|
|
typedef struct {
|
|
bool_t locked;
|
|
rpc_gss_rawcred_t *raw_cred;
|
|
} rpc_gss_lock_t;
|
|
.Ed
|
|
.It Vt rpc_gss_callback_t
|
|
Callback structure used by
|
|
.Fn rpc_gss_set_callback .
|
|
.Bd -literal
|
|
typedef struct {
|
|
u_int program; /* RPC program number */
|
|
u_int version; /* RPC version number */
|
|
/* user defined callback */
|
|
bool_t (*callback)(struct svc_req *req,
|
|
gss_cred_id_t deleg,
|
|
gss_ctx_id_t gss_context,
|
|
rpc_gss_lock_t *lock,
|
|
void **cookie);
|
|
} rpc_gss_callback_t;
|
|
.Ed
|
|
.It Vt rpc_gss_error_t
|
|
Structure used to return error information by
|
|
.Fn rpc_gss_get_error .
|
|
.Bd -literal
|
|
typedef struct {
|
|
int rpc_gss_error;
|
|
int system_error; /* same as errno */
|
|
} rpc_gss_error_t;
|
|
|
|
/*
|
|
* Values for rpc_gss_error
|
|
*/
|
|
#define RPC_GSS_ER_SUCCESS 0 /* no error */
|
|
#define RPC_GSS_ER_SYSTEMERROR 1 /* system error */
|
|
.Ed
|
|
.Sh INDEX
|
|
.Bl -tag -width "MMMM"
|
|
.It Xr rpc_gss_seccreate 3
|
|
Create a new security context
|
|
.It Xr rpc_gss_set_defaults 3
|
|
Set service and quality of protection for a context
|
|
.It Xr rpc_gss_max_data_length 3
|
|
Calculate maximum client message sizes.
|
|
.It Xr rpc_gss_get_error 3
|
|
Get details of the last error
|
|
.It Xr rpc_gss_mech_to_oid 3
|
|
Convert a mechanism name to the corresponding GSS-API oid.
|
|
.It Xr rpc_gss_oid_to_mech 3
|
|
Convert a GSS-API oid to a mechanism name
|
|
.It Xr rpc_gss_qop_to_num 3
|
|
Convert a quality of protection name to the corresponding number
|
|
.It Xr rpc_gss_get_mechanisms 3
|
|
Get a list of security mechanisms.
|
|
.It Xr rpc_gss_get_mech_info 3
|
|
Return extra information about a security mechanism
|
|
.It Xr rpc_gss_get_versions 3
|
|
Return the maximum and minimum supported versions of the
|
|
.Nm
|
|
protocol
|
|
.It Xr rpc_gss_is_installed 3
|
|
Query for the presence of a particular security mechanism
|
|
.It Xr rpc_gss_set_svc_name 3
|
|
Set the name of a service principal which matches a given RPC program
|
|
plus version pair
|
|
.It Xr rpc_gss_getcred 3
|
|
Get credential details for the security context of an RPC request
|
|
.It Xr rpc_gss_set_callback 3
|
|
Install a callback routine which is called on the server when new
|
|
security contexts are created
|
|
.It Xr rpc_gss_get_principal_name 3
|
|
Create a client principal name from various strings
|
|
.It Xr rpc_gss_svc_max_data_length 3
|
|
Calculate maximum server message sizes.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr rpc 3 ,
|
|
.Xr gssapi 3 ,
|
|
.Xr gss_export_name 3 ,
|
|
.Xr mech 5 ,
|
|
.Xr qop 5 ,
|
|
.Xr rpcset_gss 3
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
library first appeared in
|
|
.Fx 8.0 .
|
|
.Sh AUTHORS
|
|
This
|
|
manual page was written by
|
|
.An Doug Rabson Aq dfr@FreeBSD.org .
|