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/* -*- mode: c; indent-tabs-mode: nil -*- */
/*
* Copyright 1993 by OpenVision Technologies, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appears in all copies and
* that both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of OpenVision not be used
* in advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. OpenVision makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* OPENVISION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OPENVISION BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _GSSAPI_KRB5_H_
#define _GSSAPI_KRB5_H_
#include <gssapi/gssapi.h>
#include <gssapi/gssapi_ext.h>
#include <krb5.h>
#include <stdint.h>
/* C++ friendlyness */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Reserved static storage for GSS_oids. See rfc 1964 for more details. */
/* 2.1.1. Kerberos Principal Name Form: */
GSS_DLLIMP extern const gss_OID GSS_KRB5_NT_PRINCIPAL_NAME;
/* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* krb5(2) krb5_name(1)}. The recommended symbolic name for this type
* is "GSS_KRB5_NT_PRINCIPAL_NAME". */
/* 2.1.2. Host-Based Service Name Form */
#define GSS_KRB5_NT_HOSTBASED_SERVICE_NAME GSS_C_NT_HOSTBASED_SERVICE
/* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* generic(1) service_name(4)}. The previously recommended symbolic
* name for this type is "GSS_KRB5_NT_HOSTBASED_SERVICE_NAME". The
* currently preferred symbolic name for this type is
* "GSS_C_NT_HOSTBASED_SERVICE". */
/* 2.2.1. User Name Form */
#define GSS_KRB5_NT_USER_NAME GSS_C_NT_USER_NAME
/* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* generic(1) user_name(1)}. The recommended symbolic name for this
* type is "GSS_KRB5_NT_USER_NAME". */
/* 2.2.2. Machine UID Form */
#define GSS_KRB5_NT_MACHINE_UID_NAME GSS_C_NT_MACHINE_UID_NAME
/* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* generic(1) machine_uid_name(2)}. The recommended symbolic name for
* this type is "GSS_KRB5_NT_MACHINE_UID_NAME". */
/* 2.2.3. String UID Form */
#define GSS_KRB5_NT_STRING_UID_NAME GSS_C_NT_STRING_UID_NAME
/* This name form shall be represented by the Object Identifier {iso(1)
* member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
* generic(1) string_uid_name(3)}. The recommended symbolic name for
* this type is "GSS_KRB5_NT_STRING_UID_NAME". */
GSS_DLLIMP extern const gss_OID gss_mech_krb5;
GSS_DLLIMP extern const gss_OID gss_mech_krb5_old;
GSS_DLLIMP extern const gss_OID gss_mech_krb5_wrong;
GSS_DLLIMP extern const gss_OID gss_mech_iakerb;
GSS_DLLIMP extern const gss_OID_set gss_mech_set_krb5;
GSS_DLLIMP extern const gss_OID_set gss_mech_set_krb5_old;
GSS_DLLIMP extern const gss_OID_set gss_mech_set_krb5_both;
GSS_DLLIMP extern const gss_OID gss_nt_krb5_name;
GSS_DLLIMP extern const gss_OID gss_nt_krb5_principal;
GSS_DLLIMP extern const gss_OID_desc krb5_gss_oid_array[];
/*
* This OID can be used with gss_set_cred_option() to suppress the
* confidentiality and integrity flags from being asserted in initial context
* tokens.
*
* iso(1) member-body(2) Sweden(752) Stockholm University(43) Heimdal GSS-API
* Extensions(13) no_ci_flags(29)
*/
GSS_DLLIMP extern const gss_OID GSS_KRB5_CRED_NO_CI_FLAGS_X;
#define gss_krb5_nt_general_name gss_nt_krb5_name
#define gss_krb5_nt_principal gss_nt_krb5_principal
#define gss_krb5_nt_service_name gss_nt_service_name
#define gss_krb5_nt_user_name gss_nt_user_name
#define gss_krb5_nt_machine_uid_name gss_nt_machine_uid_name
#define gss_krb5_nt_string_uid_name gss_nt_string_uid_name
typedef struct gss_krb5_lucid_key {
OM_uint32 type; /* key encryption type */
OM_uint32 length; /* length of key data */
void * data; /* actual key data */
} gss_krb5_lucid_key_t;
typedef struct gss_krb5_rfc1964_keydata {
OM_uint32 sign_alg; /* signing algorthm */
OM_uint32 seal_alg; /* seal/encrypt algorithm */
gss_krb5_lucid_key_t ctx_key;
/* Context key
(Kerberos session key or subkey) */
} gss_krb5_rfc1964_keydata_t;
typedef struct gss_krb5_cfx_keydata {
OM_uint32 have_acceptor_subkey;
/* 1 if there is an acceptor_subkey
present, 0 otherwise */
gss_krb5_lucid_key_t ctx_key;
/* Context key
(Kerberos session key or subkey) */
gss_krb5_lucid_key_t acceptor_subkey;
/* acceptor-asserted subkey or
0's if no acceptor subkey */
} gss_krb5_cfx_keydata_t;
typedef struct gss_krb5_lucid_context_v1 {
OM_uint32 version; /* Structure version number (1)
MUST be at beginning of struct! */
OM_uint32 initiate; /* Are we the initiator? */
OM_uint32 endtime; /* expiration time of context */
uint64_t send_seq; /* sender sequence number */
uint64_t recv_seq; /* receive sequence number */
OM_uint32 protocol; /* 0: rfc1964,
1: draft-ietf-krb-wg-gssapi-cfx-07 */
/*
* if (protocol == 0) rfc1964_kd should be used
* and cfx_kd contents are invalid and should be zero
* if (protocol == 1) cfx_kd should be used
* and rfc1964_kd contents are invalid and should be zero
*/
gss_krb5_rfc1964_keydata_t rfc1964_kd;
gss_krb5_cfx_keydata_t cfx_kd;
} gss_krb5_lucid_context_v1_t;
/*
* Mask for determining the version of a lucid context structure. Callers
* should not require this.
*/
typedef struct gss_krb5_lucid_context_version {
OM_uint32 version; /* Structure version number */
} gss_krb5_lucid_context_version_t;
/* Alias for Heimdal compat. */
#define gsskrb5_register_acceptor_identity krb5_gss_register_acceptor_identity
OM_uint32 KRB5_CALLCONV krb5_gss_register_acceptor_identity(const char *);
OM_uint32 KRB5_CALLCONV gss_krb5_get_tkt_flags(
OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
krb5_flags *ticket_flags);
OM_uint32 KRB5_CALLCONV gss_krb5_copy_ccache(
OM_uint32 *minor_status,
gss_cred_id_t cred_handle,
krb5_ccache out_ccache);
OM_uint32 KRB5_CALLCONV gss_krb5_ccache_name(
OM_uint32 *minor_status, const char *name,
const char **out_name);
/*
* gss_krb5_set_allowable_enctypes
*
* This function may be called by a context initiator after calling
* gss_acquire_cred(), but before calling gss_init_sec_context(),
* to restrict the set of enctypes which will be negotiated during
* context establishment to those in the provided array.
*
* 'cred' must be a valid credential handle obtained via
* gss_acquire_cred(). It may not be GSS_C_NO_CREDENTIAL.
* gss_acquire_cred() may have been called to get a handle to
* the default credential.
*
* The purpose of this function is to limit the keys that may
* be exported via gss_krb5_export_lucid_sec_context(); thus it
* should limit the enctypes of all keys that will be needed
* after the security context has been established.
* (i.e. context establishment may use a session key with a
* stronger enctype than in the provided array, however a
* subkey must be established within the enctype limits
* established by this function.)
*
*/
OM_uint32 KRB5_CALLCONV
gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status,
gss_cred_id_t cred,
OM_uint32 num_ktypes,
krb5_enctype *ktypes);
/*
* Returns a non-opaque (lucid) version of the internal context
* information.
*
* Note that context_handle must not be used again by the caller
* after this call. The GSS implementation is free to release any
* resources associated with the original context. It is up to the
* GSS implementation whether it returns pointers to existing data,
* or copies of the data. The caller should treat the returned
* lucid context as read-only.
*
* The caller must call gss_krb5_free_lucid_context() to free
* the context and allocated resources when it is finished with it.
*
* 'version' is an integer indicating the requested version of the lucid
* context. If the implementation does not understand the requested version,
* it will return an error.
*
* For example:
* void *return_ctx;
* gss_krb5_lucid_context_v1_t *ctx;
* OM_uint32 min_stat, maj_stat;
* OM_uint32 vers;
* gss_ctx_id_t *ctx_handle;
*
* maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
* ctx_handle, 1, &return_ctx);
* // Verify success
* ctx = (gss_krb5_lucid_context_v1_t *) return_ctx;
*/
OM_uint32 KRB5_CALLCONV
gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
OM_uint32 version,
void **kctx);
/*
* Frees the allocated storage associated with an
* exported struct gss_krb5_lucid_context.
*/
OM_uint32 KRB5_CALLCONV
gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status,
void *kctx);
OM_uint32 KRB5_CALLCONV
gsskrb5_extract_authz_data_from_sec_context(OM_uint32 *minor_status,
const gss_ctx_id_t context_handle,
int ad_type,
gss_buffer_t ad_data);
OM_uint32 KRB5_CALLCONV
gss_krb5_set_cred_rcache(OM_uint32 *minor_status,
gss_cred_id_t cred,
krb5_rcache rcache);
OM_uint32 KRB5_CALLCONV
gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t, krb5_timestamp *);
OM_uint32 KRB5_CALLCONV
gss_krb5_import_cred(OM_uint32 *minor_status,
krb5_ccache id,
krb5_principal keytab_principal,
krb5_keytab keytab,
gss_cred_id_t *cred);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _GSSAPI_KRB5_H_ */