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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/linux/sunrpc/gss_api.h
2 * linux/include/linux/sunrpc/gss_api.h
4 * Somewhat simplified version of the gss api.
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
12 #ifndef _LINUX_SUNRPC_GSS_API_H
13 #define _LINUX_SUNRPC_GSS_API_H
16 #include <linux/sunrpc/xdr.h>
17 #include <linux/uio.h>
19 /* The mechanism-independent gss-api context: */
21 struct gss_api_mech
*mech_type
;
22 void *internal_ctx_id
;
25 #define GSS_C_NO_BUFFER ((struct xdr_netobj) 0)
26 #define GSS_C_NO_CONTEXT ((struct gss_ctx *) 0)
27 #define GSS_C_NULL_OID ((struct xdr_netobj) 0)
29 /*XXX arbitrary length - is this set somewhere? */
30 #define GSS_OID_MAX_LEN 32
32 /* gss-api prototypes; note that these are somewhat simplified versions of
33 * the prototypes specified in RFC 2744. */
34 int gss_import_sec_context(
35 const void* input_token
,
37 struct gss_api_mech
*mech
,
38 struct gss_ctx
**ctx_id
,
41 struct gss_ctx
*ctx_id
,
42 struct xdr_buf
*message
,
43 struct xdr_netobj
*mic_token
);
45 struct gss_ctx
*ctx_id
,
46 struct xdr_buf
*message
,
47 struct xdr_netobj
*mic_token
);
49 struct gss_ctx
*ctx_id
,
51 struct xdr_buf
*outbuf
,
52 struct page
**inpages
);
54 struct gss_ctx
*ctx_id
,
56 struct xdr_buf
*inbuf
);
57 u32
gss_delete_sec_context(
58 struct gss_ctx
**ctx_id
);
60 u32
gss_svc_to_pseudoflavor(struct gss_api_mech
*, u32 service
);
61 u32
gss_pseudoflavor_to_service(struct gss_api_mech
*, u32 pseudoflavor
);
62 char *gss_service_to_auth_domain_name(struct gss_api_mech
*, u32 service
);
68 char *auth_domain_name
;
71 /* Different mechanisms (e.g., krb5 or spkm3) may implement gss-api, and
72 * mechanisms may be dynamically registered or unregistered by modules. */
74 /* Each mechanism is described by the following struct: */
76 struct list_head gm_list
;
77 struct module
*gm_owner
;
78 struct xdr_netobj gm_oid
;
80 const struct gss_api_ops
*gm_ops
;
81 /* pseudoflavors supported by this mechanism: */
83 struct pf_desc
* gm_pfs
;
84 /* Should the following be a callback operation instead? */
85 const char *gm_upcall_enctypes
;
88 /* and must provide the following operations: */
90 int (*gss_import_sec_context
)(
91 const void *input_token
,
93 struct gss_ctx
*ctx_id
,
96 struct gss_ctx
*ctx_id
,
97 struct xdr_buf
*message
,
98 struct xdr_netobj
*mic_token
);
99 u32 (*gss_verify_mic
)(
100 struct gss_ctx
*ctx_id
,
101 struct xdr_buf
*message
,
102 struct xdr_netobj
*mic_token
);
104 struct gss_ctx
*ctx_id
,
106 struct xdr_buf
*outbuf
,
107 struct page
**inpages
);
109 struct gss_ctx
*ctx_id
,
111 struct xdr_buf
*buf
);
112 void (*gss_delete_sec_context
)(
113 void *internal_ctx_id
);
116 int gss_mech_register(struct gss_api_mech
*);
117 void gss_mech_unregister(struct gss_api_mech
*);
119 /* returns a mechanism descriptor given an OID, and increments the mechanism's
120 * reference count. */
121 struct gss_api_mech
* gss_mech_get_by_OID(struct xdr_netobj
*);
123 /* Returns a reference to a mechanism, given a name like "krb5" etc. */
124 struct gss_api_mech
*gss_mech_get_by_name(const char *);
126 /* Similar, but get by pseudoflavor. */
127 struct gss_api_mech
*gss_mech_get_by_pseudoflavor(u32
);
129 /* Fill in an array with a list of supported pseudoflavors */
130 int gss_mech_list_pseudoflavors(u32
*);
132 /* Just increments the mechanism's reference count and returns its input: */
133 struct gss_api_mech
* gss_mech_get(struct gss_api_mech
*);
135 /* For every successful gss_mech_get or gss_mech_get_by_* call there must be a
136 * corresponding call to gss_mech_put. */
137 void gss_mech_put(struct gss_api_mech
*);
139 #endif /* __KERNEL__ */
140 #endif /* _LINUX_SUNRPC_GSS_API_H */