00fd6e1425
Not only are the qop parameters that are passed around throughout the gssapi unused by any currently implemented mechanism, but there appears to be some doubt as to whether they will ever be used. Let's just kill them off for now. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
135 lines
3.6 KiB
C
135 lines
3.6 KiB
C
/*
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* linux/include/linux/gss_api.h
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*
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* Somewhat simplified version of the gss api.
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*
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* Dug Song <dugsong@monkey.org>
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* Andy Adamson <andros@umich.edu>
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* Bruce Fields <bfields@umich.edu>
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* Copyright (c) 2000 The Regents of the University of Michigan
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*
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* $Id$
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*/
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#ifndef _LINUX_SUNRPC_GSS_API_H
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#define _LINUX_SUNRPC_GSS_API_H
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#ifdef __KERNEL__
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#include <linux/sunrpc/xdr.h>
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#include <linux/uio.h>
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/* The mechanism-independent gss-api context: */
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struct gss_ctx {
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struct gss_api_mech *mech_type;
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void *internal_ctx_id;
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};
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#define GSS_C_NO_BUFFER ((struct xdr_netobj) 0)
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#define GSS_C_NO_CONTEXT ((struct gss_ctx *) 0)
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#define GSS_C_NULL_OID ((struct xdr_netobj) 0)
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/*XXX arbitrary length - is this set somewhere? */
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#define GSS_OID_MAX_LEN 32
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/* gss-api prototypes; note that these are somewhat simplified versions of
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* the prototypes specified in RFC 2744. */
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int gss_import_sec_context(
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const void* input_token,
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size_t bufsize,
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struct gss_api_mech *mech,
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struct gss_ctx **ctx_id);
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u32 gss_get_mic(
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struct gss_ctx *ctx_id,
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struct xdr_buf *message,
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struct xdr_netobj *mic_token);
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u32 gss_verify_mic(
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struct gss_ctx *ctx_id,
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struct xdr_buf *message,
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struct xdr_netobj *mic_token);
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u32 gss_wrap(
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struct gss_ctx *ctx_id,
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int offset,
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struct xdr_buf *outbuf,
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struct page **inpages);
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u32 gss_unwrap(
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struct gss_ctx *ctx_id,
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int offset,
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struct xdr_buf *inbuf);
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u32 gss_delete_sec_context(
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struct gss_ctx **ctx_id);
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u32 gss_pseudoflavor_to_service(struct gss_api_mech *, u32 pseudoflavor);
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char *gss_service_to_auth_domain_name(struct gss_api_mech *, u32 service);
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struct pf_desc {
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u32 pseudoflavor;
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u32 service;
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char *name;
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char *auth_domain_name;
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};
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/* Different mechanisms (e.g., krb5 or spkm3) may implement gss-api, and
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* mechanisms may be dynamically registered or unregistered by modules. */
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/* Each mechanism is described by the following struct: */
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struct gss_api_mech {
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struct list_head gm_list;
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struct module *gm_owner;
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struct xdr_netobj gm_oid;
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char *gm_name;
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struct gss_api_ops *gm_ops;
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/* pseudoflavors supported by this mechanism: */
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int gm_pf_num;
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struct pf_desc * gm_pfs;
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};
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/* and must provide the following operations: */
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struct gss_api_ops {
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int (*gss_import_sec_context)(
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const void *input_token,
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size_t bufsize,
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struct gss_ctx *ctx_id);
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u32 (*gss_get_mic)(
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struct gss_ctx *ctx_id,
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struct xdr_buf *message,
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struct xdr_netobj *mic_token);
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u32 (*gss_verify_mic)(
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struct gss_ctx *ctx_id,
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struct xdr_buf *message,
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struct xdr_netobj *mic_token);
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u32 (*gss_wrap)(
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struct gss_ctx *ctx_id,
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int offset,
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struct xdr_buf *outbuf,
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struct page **inpages);
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u32 (*gss_unwrap)(
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struct gss_ctx *ctx_id,
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int offset,
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struct xdr_buf *buf);
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void (*gss_delete_sec_context)(
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void *internal_ctx_id);
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};
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int gss_mech_register(struct gss_api_mech *);
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void gss_mech_unregister(struct gss_api_mech *);
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/* returns a mechanism descriptor given an OID, and increments the mechanism's
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* reference count. */
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struct gss_api_mech * gss_mech_get_by_OID(struct xdr_netobj *);
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/* Returns a reference to a mechanism, given a name like "krb5" etc. */
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struct gss_api_mech *gss_mech_get_by_name(const char *);
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/* Similar, but get by pseudoflavor. */
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struct gss_api_mech *gss_mech_get_by_pseudoflavor(u32);
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/* Just increments the mechanism's reference count and returns its input: */
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struct gss_api_mech * gss_mech_get(struct gss_api_mech *);
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/* For every succesful gss_mech_get or gss_mech_get_by_* call there must be a
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* corresponding call to gss_mech_put. */
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void gss_mech_put(struct gss_api_mech *);
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#endif /* __KERNEL__ */
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#endif /* _LINUX_SUNRPC_GSS_API_H */
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