1 /*
2 * linux/include/linux/auth_gss.h
3 *
4 * Declarations for RPCSEC_GSS
5 *
6 * Dug Song <dugsong@monkey.org>
7 * Andy Adamson <andros@umich.edu>
8 * Bruce Fields <bfields@umich.edu>
9 * Copyright (c) 2000 The Regents of the University of Michigan
10 *
11 * $Id$
12 */
13
14 #ifndef _LINUX_SUNRPC_AUTH_GSS_H
15 #define _LINUX_SUNRPC_AUTH_GSS_H
16
17 #ifdef __KERNEL__
18 #include <linux/sunrpc/auth.h>
19 #include <linux/sunrpc/svc.h>
20 #include <linux/sunrpc/gss_api.h>
21
22 #define RPC_GSS_VERSION 1
23
24 #define MAXSEQ 0x80000000 /* maximum legal sequence number, from rfc 2203 */
25
26 enum rpc_gss_proc {
27 RPC_GSS_PROC_DATA = 0,
28 RPC_GSS_PROC_INIT = 1,
29 RPC_GSS_PROC_CONTINUE_INIT = 2,
30 RPC_GSS_PROC_DESTROY = 3
31 };
32
33 enum rpc_gss_svc {
34 RPC_GSS_SVC_NONE = 1,
35 RPC_GSS_SVC_INTEGRITY = 2,
36 RPC_GSS_SVC_PRIVACY = 3
37 };
38
39 /* on-the-wire gss cred: */
40 struct rpc_gss_wire_cred {
41 u32 gc_v; /* version */
42 u32 gc_proc; /* control procedure */
43 u32 gc_seq; /* sequence number */
44 u32 gc_svc; /* service */
45 struct xdr_netobj gc_ctx; /* context handle */
46 };
47
48 /* on-the-wire gss verifier: */
49 struct rpc_gss_wire_verf {
50 u32 gv_flavor;
51 struct xdr_netobj gv_verf;
52 };
53
54 /* return from gss NULL PROC init sec context */
55 struct rpc_gss_init_res {
56 struct xdr_netobj gr_ctx; /* context handle */
57 u32 gr_major; /* major status */
58 u32 gr_minor; /* minor status */
59 u32 gr_win; /* sequence window */
60 struct xdr_netobj gr_token; /* token */
61 };
62
63 /* The gss_cl_ctx struct holds all the information the rpcsec_gss client
64 * code needs to know about a single security context. In particular,
65 * gc_gss_ctx is the context handle that is used to do gss-api calls, while
66 * gc_wire_ctx is the context handle that is used to identify the context on
67 * the wire when communicating with a server. */
68
69 struct gss_cl_ctx {
70 atomic_t count;
71 u32 gc_proc;
72 u32 gc_seq;
73 spinlock_t gc_seq_lock;
74 struct gss_ctx *gc_gss_ctx;
75 struct xdr_netobj gc_wire_ctx;
76 u32 gc_win;
77 };
78
79 struct gss_cred {
80 struct rpc_cred gc_base;
81 u32 gc_flavor;
82 struct gss_cl_ctx *gc_ctx;
83 };
84
85 #define gc_uid gc_base.cr_uid
86 #define gc_count gc_base.cr_count
87 #define gc_flags gc_base.cr_flags
88 #define gc_expire gc_base.cr_expire
89
90 void print_hexl(u32 *p, u_int length, u_int offset);
91
92 #endif /* __KERNEL__ */
93 #endif /* _LINUX_SUNRPC_AUTH_GSS_H */
94
95
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