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+/*
+ auth_gss.h
+
+ Copyright (c) 2000 The Regents of the University of Michigan.
+ All rights reserved.
+
+ Copyright (c) 2000 Dug Song <dugsong@UMICH.EDU>.
+ All rights reserved, all wrongs reversed.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the University nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef _TIRPC_AUTH_GSS_H
+#define _TIRPC_AUTH_GSS_H
+
+#include <rpc/clnt.h>
+#include <gssapi/gssapi.h>
+
+/* RPCSEC_GSS control procedures. */
+typedef enum {
+ RPCSEC_GSS_DATA = 0,
+ RPCSEC_GSS_INIT = 1,
+ RPCSEC_GSS_CONTINUE_INIT = 2,
+ RPCSEC_GSS_DESTROY = 3
+} rpc_gss_proc_t;
+
+/* RPCSEC_GSS services. */
+typedef enum {
+ RPCSEC_GSS_SVC_NONE = 1,
+ RPCSEC_GSS_SVC_INTEGRITY = 2,
+ RPCSEC_GSS_SVC_PRIVACY = 3
+} rpc_gss_svc_t;
+
+#define RPCSEC_GSS_VERSION 1
+
+/* RPCSEC_GSS security triple. */
+struct rpc_gss_sec {
+ gss_OID mech; /* mechanism */
+ gss_qop_t qop; /* quality of protection */
+ rpc_gss_svc_t svc; /* service */
+ gss_cred_id_t cred; /* cred handle */
+ u_int req_flags; /* req flags for init_sec_context */
+ int major_status;
+ int minor_status;
+};
+
+/* Private data required for kernel implementation */
+struct authgss_private_data {
+ gss_ctx_id_t pd_ctx; /* Session context handle */
+ gss_buffer_desc pd_ctx_hndl; /* Credentials context handle */
+ u_int pd_seq_win; /* Sequence window */
+};
+
+/* from kerberos source, gssapi_krb5.c */
+extern gss_OID_desc krb5oid;
+extern gss_OID_desc spkm3oid;
+
+/* Credentials. */
+struct rpc_gss_cred {
+ u_int gc_v; /* version */
+ rpc_gss_proc_t gc_proc; /* control procedure */
+ u_int gc_seq; /* sequence number */
+ rpc_gss_svc_t gc_svc; /* service */
+ gss_buffer_desc gc_ctx; /* context handle */
+};
+
+/* Context creation response. */
+struct rpc_gss_init_res {
+ gss_buffer_desc gr_ctx; /* context handle */
+ u_int gr_major; /* major status */
+ u_int gr_minor; /* minor status */
+ u_int gr_win; /* sequence window */
+ gss_buffer_desc gr_token; /* token */
+};
+
+/* Maximum sequence number value. */
+#define MAXSEQ 0x80000000
+
+/* Prototypes. */
+#ifdef __cplusplus
+extern "C" {
+#endif
+bool_t xdr_rpc_gss_cred (XDR *xdrs, struct rpc_gss_cred *p);
+bool_t xdr_rpc_gss_init_args (XDR *xdrs, gss_buffer_desc *p);
+bool_t xdr_rpc_gss_init_res (XDR *xdrs, struct rpc_gss_init_res *p);
+bool_t xdr_rpc_gss_data (XDR *xdrs, xdrproc_t xdr_func,
+ caddr_t xdr_ptr, gss_ctx_id_t ctx,
+ gss_qop_t qop, rpc_gss_svc_t svc,
+ u_int seq);
+
+AUTH *authgss_create (CLIENT *, gss_name_t, struct rpc_gss_sec *);
+AUTH *authgss_create_default (CLIENT *, char *, struct rpc_gss_sec *);
+bool_t authgss_service (AUTH *auth, int svc);
+bool_t authgss_get_private_data (AUTH *auth, struct authgss_private_data *);
+bool_t authgss_free_private_data (struct authgss_private_data *);
+
+void gss_log_debug (const char *fmt, ...);
+void gss_log_status (char *m, OM_uint32 major, OM_uint32 minor);
+void gss_log_hexdump (const u_char *buf, int len, int offset);
+
+bool_t is_authgss_client (CLIENT *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !_TIRPC_AUTH_GSS_H */