1 /* $OpenBSD: ssh-gss.h,v 1.12 2017/06/24 06:34:38 djm Exp $ */
4 * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #if defined(HAVE_GSSAPI_GSSAPI_H)
33 #include <gssapi/gssapi.h>
34 #elif defined(HAVE_GSSAPI_H)
40 # ifdef HAVE_GSSAPI_GENERIC_H
41 # include <gssapi_generic.h>
42 # elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H)
43 # include <gssapi/gssapi_generic.h>
46 /* Old MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */
48 # if !HAVE_DECL_GSS_C_NT_HOSTBASED_SERVICE
49 # define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
50 # endif /* !HAVE_DECL_GSS_C_NT_... */
52 # endif /* !HEIMDAL */
55 /* draft-ietf-secsh-gsskeyex-06 */
56 #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
57 #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
58 #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
59 #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
60 #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
61 #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
63 #define SSH_GSS_OIDTYPE 0x06
73 gss_buffer_desc displayname;
74 gss_buffer_desc exportedname;
76 struct ssh_gssapi_mech_struct *mech;
77 ssh_gssapi_ccache store;
80 typedef struct ssh_gssapi_mech_struct {
84 int (*dochild) (ssh_gssapi_client *);
85 int (*userok) (ssh_gssapi_client *, char *);
86 int (*localname) (ssh_gssapi_client *, char **);
87 void (*storecreds) (ssh_gssapi_client *);
91 OM_uint32 major; /* both */
92 OM_uint32 minor; /* both */
93 gss_ctx_id_t context; /* both */
94 gss_name_t name; /* both */
95 gss_OID oid; /* client */
96 gss_cred_id_t creds; /* server */
97 gss_name_t client; /* server */
98 gss_cred_id_t client_creds; /* server */
101 extern ssh_gssapi_mech *supported_mechs[];
103 int ssh_gssapi_check_oid(Gssctxt *, void *, size_t);
104 void ssh_gssapi_set_oid_data(Gssctxt *, void *, size_t);
105 void ssh_gssapi_set_oid(Gssctxt *, gss_OID);
106 void ssh_gssapi_supported_oids(gss_OID_set *);
107 ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *);
108 void ssh_gssapi_prepare_supported_oids(void);
109 OM_uint32 ssh_gssapi_test_oid_supported(OM_uint32 *, gss_OID, int *);
111 OM_uint32 ssh_gssapi_import_name(Gssctxt *, const char *);
112 OM_uint32 ssh_gssapi_init_ctx(Gssctxt *, int,
113 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
114 OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *,
115 gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
116 OM_uint32 ssh_gssapi_getclient(Gssctxt *, ssh_gssapi_client *);
117 void ssh_gssapi_error(Gssctxt *);
118 char *ssh_gssapi_last_error(Gssctxt *, OM_uint32 *, OM_uint32 *);
119 void ssh_gssapi_build_ctx(Gssctxt **);
120 void ssh_gssapi_delete_ctx(Gssctxt **);
121 OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
122 void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *);
123 int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *);
126 OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
127 int ssh_gssapi_userok(char *name);
128 OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
129 void ssh_gssapi_do_child(char ***, u_int *);
130 void ssh_gssapi_cleanup_creds(void);
131 void ssh_gssapi_storecreds(void);
132 const char *ssh_gssapi_displayname(void);
136 #endif /* _SSH_GSS_H */