Annotation of src/usr.bin/ssh/ssh-gss.h, Revision 1.1.2.1
1.1.2.1 ! brad 1: /* $OpenBSD: ssh-gss.h,v 1.4 2003/11/17 11:06:07 markus Exp $ */
1.1 markus 2: /*
3: * Copyright (c) 2001-2003 Simon Wilkinson. All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: *
14: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
15: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24: */
25:
26: #ifndef _SSH_GSS_H
27: #define _SSH_GSS_H
28:
29: #ifdef GSSAPI
30:
31: #include "buffer.h"
32:
33: #include <gssapi.h>
34:
35: /* draft-ietf-secsh-gsskeyex-06 */
36: #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
37: #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
38: #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
39: #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
40: #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
1.1.2.1 ! brad 41: #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
1.1 markus 42:
43: #define SSH_GSS_OIDTYPE 0x06
44:
45: typedef struct {
46: char *filename;
47: char *envvar;
48: char *envval;
49: void *data;
50: } ssh_gssapi_ccache;
51:
52: typedef struct {
53: gss_buffer_desc displayname;
54: gss_buffer_desc exportedname;
55: gss_cred_id_t creds;
56: struct ssh_gssapi_mech_struct *mech;
57: ssh_gssapi_ccache store;
58: } ssh_gssapi_client;
59:
60: typedef struct ssh_gssapi_mech_struct {
61: char *enc_name;
62: char *name;
63: gss_OID_desc oid;
64: int (*dochild) (ssh_gssapi_client *);
65: int (*userok) (ssh_gssapi_client *, char *);
66: int (*localname) (ssh_gssapi_client *, char **);
67: void (*storecreds) (ssh_gssapi_client *);
68: } ssh_gssapi_mech;
69:
70: typedef struct {
71: OM_uint32 major; /* both */
72: OM_uint32 minor; /* both */
73: gss_ctx_id_t context; /* both */
74: gss_name_t name; /* both */
75: gss_OID oid; /* client */
76: gss_cred_id_t creds; /* server */
77: gss_name_t client; /* server */
78: gss_cred_id_t client_creds; /* server */
79: } Gssctxt;
80:
81: extern ssh_gssapi_mech *supported_mechs[];
82:
83: int ssh_gssapi_check_oid(Gssctxt *ctx, void *data, size_t len);
84: void ssh_gssapi_set_oid_data(Gssctxt *ctx, void *data, size_t len);
85: void ssh_gssapi_set_oid(Gssctxt *ctx, gss_OID oid);
86: void ssh_gssapi_supported_oids(gss_OID_set *oidset);
87: ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *ctxt);
88:
89: OM_uint32 ssh_gssapi_import_name(Gssctxt *ctx, const char *host);
90: OM_uint32 ssh_gssapi_acquire_cred(Gssctxt *ctx);
91: OM_uint32 ssh_gssapi_init_ctx(Gssctxt *ctx, int deleg_creds,
92: gss_buffer_desc *recv_tok, gss_buffer_desc *send_tok, OM_uint32 *flags);
93: OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *ctx,
94: gss_buffer_desc *recv_tok, gss_buffer_desc *send_tok, OM_uint32 *flags);
95: OM_uint32 ssh_gssapi_getclient(Gssctxt *ctx, ssh_gssapi_client *);
96: void ssh_gssapi_error(Gssctxt *ctx);
97: char *ssh_gssapi_last_error(Gssctxt *ctxt, OM_uint32 *maj, OM_uint32 *min);
98: void ssh_gssapi_build_ctx(Gssctxt **ctx);
99: void ssh_gssapi_delete_ctx(Gssctxt **ctx);
1.1.2.1 ! brad 100: OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
1.1 markus 101: OM_uint32 ssh_gssapi_server_ctx(Gssctxt **ctx, gss_OID oid);
1.1.2.1 ! brad 102: void ssh_gssapi_buildmic(Buffer *, const char *, const char *, const char *);
1.1 markus 103:
104: /* In the server */
105: int ssh_gssapi_userok(char *name);
1.1.2.1 ! brad 106: OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
1.1 markus 107: void ssh_gssapi_do_child(char ***envp, u_int *envsizep);
1.1.2.1 ! brad 108: void ssh_gssapi_cleanup_creds(void);
1.1 markus 109: void ssh_gssapi_storecreds(void);
110:
111: #endif /* GSSAPI */
112:
113: #endif /* _SSH_GSS_H */