Annotation of src/usr.bin/ssh/ssh-gss.h, Revision 1.14
1.14 ! djm 1: /* $OpenBSD: ssh-gss.h,v 1.13 2018/07/10 06:43:52 djm 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 <gssapi.h>
32:
33: /* draft-ietf-secsh-gsskeyex-06 */
34: #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
35: #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
36: #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
37: #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
38: #define SSH2_MSG_USERAUTH_GSSAPI_ERRTOK 65
1.4 markus 39: #define SSH2_MSG_USERAUTH_GSSAPI_MIC 66
1.1 markus 40:
41: #define SSH_GSS_OIDTYPE 0x06
42:
43: typedef struct {
44: char *filename;
45: char *envvar;
46: char *envval;
47: void *data;
48: } ssh_gssapi_ccache;
49:
50: typedef struct {
51: gss_buffer_desc displayname;
52: gss_buffer_desc exportedname;
53: gss_cred_id_t creds;
54: struct ssh_gssapi_mech_struct *mech;
55: ssh_gssapi_ccache store;
56: } ssh_gssapi_client;
57:
58: typedef struct ssh_gssapi_mech_struct {
59: char *enc_name;
60: char *name;
61: gss_OID_desc oid;
62: int (*dochild) (ssh_gssapi_client *);
63: int (*userok) (ssh_gssapi_client *, char *);
64: int (*localname) (ssh_gssapi_client *, char **);
65: void (*storecreds) (ssh_gssapi_client *);
66: } ssh_gssapi_mech;
67:
68: typedef struct {
69: OM_uint32 major; /* both */
70: OM_uint32 minor; /* both */
71: gss_ctx_id_t context; /* both */
72: gss_name_t name; /* both */
73: gss_OID oid; /* client */
74: gss_cred_id_t creds; /* server */
75: gss_name_t client; /* server */
76: gss_cred_id_t client_creds; /* server */
77: } Gssctxt;
78:
79: extern ssh_gssapi_mech *supported_mechs[];
80:
1.5 avsm 81: int ssh_gssapi_check_oid(Gssctxt *, void *, size_t);
82: void ssh_gssapi_set_oid_data(Gssctxt *, void *, size_t);
83: void ssh_gssapi_set_oid(Gssctxt *, gss_OID);
84: void ssh_gssapi_supported_oids(gss_OID_set *);
85: ssh_gssapi_mech *ssh_gssapi_get_ctype(Gssctxt *);
1.11 djm 86: void ssh_gssapi_prepare_supported_oids(void);
87: OM_uint32 ssh_gssapi_test_oid_supported(OM_uint32 *, gss_OID, int *);
1.14 ! djm 88:
! 89: struct sshbuf;
! 90: int ssh_gssapi_get_buffer_desc(struct sshbuf *, gss_buffer_desc *);
1.5 avsm 91:
92: OM_uint32 ssh_gssapi_import_name(Gssctxt *, const char *);
93: OM_uint32 ssh_gssapi_init_ctx(Gssctxt *, int,
94: gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
95: OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *,
96: gss_buffer_desc *, gss_buffer_desc *, OM_uint32 *);
97: OM_uint32 ssh_gssapi_getclient(Gssctxt *, ssh_gssapi_client *);
98: void ssh_gssapi_error(Gssctxt *);
99: char *ssh_gssapi_last_error(Gssctxt *, OM_uint32 *, OM_uint32 *);
100: void ssh_gssapi_build_ctx(Gssctxt **);
101: void ssh_gssapi_delete_ctx(Gssctxt **);
1.4 markus 102: OM_uint32 ssh_gssapi_sign(Gssctxt *, gss_buffer_t, gss_buffer_t);
1.13 djm 103: void ssh_gssapi_buildmic(struct sshbuf *, const char *,
104: const char *, const char *);
1.9 djm 105: int ssh_gssapi_check_mechanism(Gssctxt **, gss_OID, const char *);
1.1 markus 106:
107: /* In the server */
1.10 djm 108: OM_uint32 ssh_gssapi_server_ctx(Gssctxt **, gss_OID);
1.1 markus 109: int ssh_gssapi_userok(char *name);
1.4 markus 110: OM_uint32 ssh_gssapi_checkmic(Gssctxt *, gss_buffer_t, gss_buffer_t);
1.5 avsm 111: void ssh_gssapi_do_child(char ***, u_int *);
1.2 markus 112: void ssh_gssapi_cleanup_creds(void);
1.1 markus 113: void ssh_gssapi_storecreds(void);
1.12 djm 114: const char *ssh_gssapi_displayname(void);
1.1 markus 115:
116: #endif /* GSSAPI */
117:
118: #endif /* _SSH_GSS_H */