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Makefile
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Makefile.depend
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rpc_gss_get_error.3
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rpc_gss_get_mech_info.3
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rpc_gss_get_mechanisms.3
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rpc_gss_get_principal_name.3
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rpc_gss_get_versions.3
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rpc_gss_getcred.3
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rpc_gss_is_installed.3
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rpc_gss_max_data_length.3
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rpc_gss_mech_to_oid.3
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rpc_gss_oid_to_mech.3
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rpc_gss_qop_to_num.3
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rpc_gss_seccreate.3
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rpc_gss_set_callback.3
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rpc_gss_set_defaults.3
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rpc_gss_set_svc_name.3
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rpc_gss_svc_max_data_length.3
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rpcsec_gss.3
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rpcsec_gss.c
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rpcsec_gss_conf.c
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rpcsec_gss_int.h
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rpcsec_gss_misc.c
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rpcsec_gss_prot.c
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svc_rpcsec_gss.c
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Editing: rpcsec_gss.3
.\" 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 context. .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 .El .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 gss_export_name 3 , .Xr gssapi 3 , .Xr rpc 3 , .Xr rpcset_gss 3 , .Xr mech 5 , .Xr qop 5 .Sh HISTORY The .Nm library first appeared in .Fx 8.0 . .Sh AUTHORS This manual page was written by .An Doug Rabson Aq Mt dfr@FreeBSD.org .
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