Diff markup
1 /* 1 /*
2 * linux/include/linux/gss_api.h !! 2 * linux/include/linux/sunrpc/gss_api.h
3 * 3 *
4 * Somewhat simplified version of the gss api. 4 * Somewhat simplified version of the gss api.
5 * 5 *
6 * Dug Song <dugsong@monkey.org> 6 * Dug Song <dugsong@monkey.org>
7 * Andy Adamson <andros@umich.edu> 7 * Andy Adamson <andros@umich.edu>
8 * Bruce Fields <bfields@umich.edu> 8 * Bruce Fields <bfields@umich.edu>
9 * Copyright (c) 2000 The Regents of the Unive 9 * Copyright (c) 2000 The Regents of the University of Michigan
10 * <<
11 * $Id$ <<
12 */ 10 */
13 11
14 #ifndef _LINUX_SUNRPC_GSS_API_H 12 #ifndef _LINUX_SUNRPC_GSS_API_H
15 #define _LINUX_SUNRPC_GSS_API_H 13 #define _LINUX_SUNRPC_GSS_API_H
16 14
17 #ifdef __KERNEL__ 15 #ifdef __KERNEL__
18 #include <linux/sunrpc/xdr.h> 16 #include <linux/sunrpc/xdr.h>
19 #include <linux/uio.h> 17 #include <linux/uio.h>
20 18
21 /* The mechanism-independent gss-api context: 19 /* The mechanism-independent gss-api context: */
22 struct gss_ctx { 20 struct gss_ctx {
23 struct gss_api_mech *mech_type; 21 struct gss_api_mech *mech_type;
24 void *internal_ctx_ 22 void *internal_ctx_id;
25 }; 23 };
26 24
27 #define GSS_C_NO_BUFFER ((struct xdr_n 25 #define GSS_C_NO_BUFFER ((struct xdr_netobj) 0)
28 #define GSS_C_NO_CONTEXT ((struct gss_c 26 #define GSS_C_NO_CONTEXT ((struct gss_ctx *) 0)
29 #define GSS_C_NULL_OID ((struct xdr_n 27 #define GSS_C_NULL_OID ((struct xdr_netobj) 0)
30 28
31 /*XXX arbitrary length - is this set somewher 29 /*XXX arbitrary length - is this set somewhere? */
32 #define GSS_OID_MAX_LEN 32 30 #define GSS_OID_MAX_LEN 32
33 31
34 /* gss-api prototypes; note that these are som 32 /* gss-api prototypes; note that these are somewhat simplified versions of
35 * the prototypes specified in RFC 2744. */ 33 * the prototypes specified in RFC 2744. */
36 u32 gss_import_sec_context( !! 34 int gss_import_sec_context(
37 struct xdr_netobj *input !! 35 const void* input_token,
>> 36 size_t bufsize,
38 struct gss_api_mech *mech, 37 struct gss_api_mech *mech,
39 struct gss_ctx **ctx_ 38 struct gss_ctx **ctx_id);
40 u32 gss_get_mic( 39 u32 gss_get_mic(
41 struct gss_ctx *ctx_i 40 struct gss_ctx *ctx_id,
42 u32 qop, <<
43 struct xdr_buf *messa 41 struct xdr_buf *message,
44 struct xdr_netobj *mic_t 42 struct xdr_netobj *mic_token);
45 u32 gss_verify_mic( 43 u32 gss_verify_mic(
46 struct gss_ctx *ctx_i 44 struct gss_ctx *ctx_id,
47 struct xdr_buf *messa 45 struct xdr_buf *message,
48 struct xdr_netobj *mic_t !! 46 struct xdr_netobj *mic_token);
49 u32 *qstat !! 47 u32 gss_wrap(
>> 48 struct gss_ctx *ctx_id,
>> 49 int offset,
>> 50 struct xdr_buf *outbuf,
>> 51 struct page **inpages);
>> 52 u32 gss_unwrap(
>> 53 struct gss_ctx *ctx_id,
>> 54 int offset,
>> 55 struct xdr_buf *inbuf);
50 u32 gss_delete_sec_context( 56 u32 gss_delete_sec_context(
51 struct gss_ctx **ctx_ 57 struct gss_ctx **ctx_id);
52 58
53 struct gss_api_mech * gss_mech_get_by_name(cha !! 59 u32 gss_svc_to_pseudoflavor(struct gss_api_mech *, u32 service);
54 struct gss_api_mech * gss_mech_get_by_pseudofl <<
55 u32 gss_pseudoflavor_to_service(struct gss_api 60 u32 gss_pseudoflavor_to_service(struct gss_api_mech *, u32 pseudoflavor);
56 char *gss_service_to_auth_domain_name(struct g 61 char *gss_service_to_auth_domain_name(struct gss_api_mech *, u32 service);
57 62
58 struct pf_desc { 63 struct pf_desc {
59 u32 pseudoflavor; 64 u32 pseudoflavor;
60 u32 qop; <<
61 u32 service; 65 u32 service;
62 char *name; 66 char *name;
63 char *auth_domain_name; 67 char *auth_domain_name;
64 }; 68 };
65 69
66 /* Different mechanisms (e.g., krb5 or spkm3) 70 /* Different mechanisms (e.g., krb5 or spkm3) may implement gss-api, and
67 * mechanisms may be dynamically registered or 71 * mechanisms may be dynamically registered or unregistered by modules. */
68 72
69 /* Each mechanism is described by the followin 73 /* Each mechanism is described by the following struct: */
70 struct gss_api_mech { 74 struct gss_api_mech {
71 struct list_head gm_list; 75 struct list_head gm_list;
72 struct module *gm_owner; 76 struct module *gm_owner;
73 struct xdr_netobj gm_oid; 77 struct xdr_netobj gm_oid;
74 char *gm_name; 78 char *gm_name;
75 struct gss_api_ops *gm_ops; !! 79 const struct gss_api_ops *gm_ops;
76 /* pseudoflavors supported by this mec 80 /* pseudoflavors supported by this mechanism: */
77 int gm_pf_num; 81 int gm_pf_num;
78 struct pf_desc * gm_pfs; 82 struct pf_desc * gm_pfs;
79 }; 83 };
80 84
81 /* and must provide the following operations: 85 /* and must provide the following operations: */
82 struct gss_api_ops { 86 struct gss_api_ops {
83 u32 (*gss_import_sec_context)( !! 87 int (*gss_import_sec_context)(
84 struct xdr_netobj !! 88 const void *input_token,
>> 89 size_t bufsize,
85 struct gss_ctx 90 struct gss_ctx *ctx_id);
86 u32 (*gss_get_mic)( 91 u32 (*gss_get_mic)(
87 struct gss_ctx 92 struct gss_ctx *ctx_id,
88 u32 <<
89 struct xdr_buf 93 struct xdr_buf *message,
90 struct xdr_netobj 94 struct xdr_netobj *mic_token);
91 u32 (*gss_verify_mic)( 95 u32 (*gss_verify_mic)(
92 struct gss_ctx 96 struct gss_ctx *ctx_id,
93 struct xdr_buf 97 struct xdr_buf *message,
94 struct xdr_netobj !! 98 struct xdr_netobj *mic_token);
95 u32 !! 99 u32 (*gss_wrap)(
>> 100 struct gss_ctx *ctx_id,
>> 101 int offset,
>> 102 struct xdr_buf *outbuf,
>> 103 struct page **inpages);
>> 104 u32 (*gss_unwrap)(
>> 105 struct gss_ctx *ctx_id,
>> 106 int offset,
>> 107 struct xdr_buf *buf);
96 void (*gss_delete_sec_context)( 108 void (*gss_delete_sec_context)(
97 void 109 void *internal_ctx_id);
98 }; 110 };
99 111
100 int gss_mech_register(struct gss_api_mech *); 112 int gss_mech_register(struct gss_api_mech *);
101 void gss_mech_unregister(struct gss_api_mech * 113 void gss_mech_unregister(struct gss_api_mech *);
102 114
103 /* returns a mechanism descriptor given an OID 115 /* returns a mechanism descriptor given an OID, and increments the mechanism's
104 * reference count. */ 116 * reference count. */
105 struct gss_api_mech * gss_mech_get_by_OID(stru 117 struct gss_api_mech * gss_mech_get_by_OID(struct xdr_netobj *);
106 118
107 /* Returns a reference to a mechanism, given a 119 /* Returns a reference to a mechanism, given a name like "krb5" etc. */
108 struct gss_api_mech *gss_mech_get_by_name(char !! 120 struct gss_api_mech *gss_mech_get_by_name(const char *);
109 121
110 /* Similar, but get by pseudoflavor. */ 122 /* Similar, but get by pseudoflavor. */
111 struct gss_api_mech *gss_mech_get_by_pseudofla 123 struct gss_api_mech *gss_mech_get_by_pseudoflavor(u32);
112 124
113 /* Just increments the mechanism's reference c 125 /* Just increments the mechanism's reference count and returns its input: */
114 struct gss_api_mech * gss_mech_get(struct gss_ 126 struct gss_api_mech * gss_mech_get(struct gss_api_mech *);
115 127
116 /* For every succesful gss_mech_get or gss_mec !! 128 /* For every successful gss_mech_get or gss_mech_get_by_* call there must be a
117 * corresponding call to gss_mech_put. */ 129 * corresponding call to gss_mech_put. */
118 void gss_mech_put(struct gss_api_mech *); 130 void gss_mech_put(struct gss_api_mech *);
119 131
120 #endif /* __KERNEL__ */ 132 #endif /* __KERNEL__ */
121 #endif /* _LINUX_SUNRPC_GSS_API_H */ 133 #endif /* _LINUX_SUNRPC_GSS_API_H */
122 134
123 135
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