2 * Copyright (c) 2001,2002 Simon Wilkinson. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 #include <gssapi_generic.h>
39 /* MIT Kerberos doesn't seem to define GSS_NT_HOSTBASED_SERVICE */
41 #ifndef GSS_C_NT_HOSTBASED_SERVICE
42 #define GSS_C_NT_HOSTBASED_SERVICE gss_nt_service_name
43 #endif /* GSS_C_NT_... */
47 /* draft-ietf-secsh-gsskeyex-03 */
48 #define SSH2_MSG_KEXGSS_INIT 30
49 #define SSH2_MSG_KEXGSS_CONTINUE 31
50 #define SSH2_MSG_KEXGSS_COMPLETE 32
51 #define SSH2_MSG_KEXGSS_HOSTKEY 33
52 #define SSH2_MSG_KEXGSS_ERROR 34
53 #define SSH2_MSG_USERAUTH_GSSAPI_RESPONSE 60
54 #define SSH2_MSG_USERAUTH_GSSAPI_TOKEN 61
55 #define SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE 63
56 #define SSH2_MSG_USERAUTH_GSSAPI_ERROR 64
58 #define KEX_GSS_SHA1 "gss-group1-sha1-"
70 typedef struct ssh_gss_mech_struct {
77 OM_uint32 status; /* both */
78 gss_ctx_id_t context; /* both */
79 gss_name_t name; /* both */
80 gss_OID oid; /* client */
81 gss_cred_id_t creds; /* server */
82 gss_name_t client; /* server */
83 gss_cred_id_t client_creds; /* server */
86 extern ssh_gssapi_mech supported_mechs[];
87 extern gss_buffer_desc gssapi_client_name;
88 extern gss_cred_id_t gssapi_client_creds;
89 extern enum ssh_gss_id gssapi_client_type;
91 char *ssh_gssapi_mechanisms(int server, char *host);
92 gss_OID ssh_gssapi_id_kex(Gssctxt *ctx, char *name);
93 void ssh_gssapi_set_oid_data(Gssctxt *ctx, void *data, size_t len);
94 void ssh_gssapi_set_oid(Gssctxt *ctx, gss_OID oid);
95 void ssh_gssapi_supported_oids(gss_OID_set *oidset);
96 enum ssh_gss_id ssh_gssapi_get_ctype(Gssctxt *ctxt);
98 OM_uint32 ssh_gssapi_import_name(Gssctxt *ctx, const char *host);
99 OM_uint32 ssh_gssapi_acquire_cred(Gssctxt *ctx);
100 OM_uint32 ssh_gssapi_init_ctx(Gssctxt *ctx, int deleg_creds,
101 gss_buffer_desc *recv_tok,
102 gss_buffer_desc *send_tok, OM_uint32 *flags);
103 OM_uint32 ssh_gssapi_accept_ctx(Gssctxt *ctx,
104 gss_buffer_desc *recv_tok,
105 gss_buffer_desc *send_tok,
107 OM_uint32 ssh_gssapi_getclient(Gssctxt *ctx,
108 enum ssh_gss_id *type,
109 gss_buffer_desc *name,
110 gss_cred_id_t *creds);
111 void ssh_gssapi_error(OM_uint32 major_status,OM_uint32 minor_status);
112 void ssh_gssapi_send_error(OM_uint32 major_status,OM_uint32 minor_status);
113 void ssh_gssapi_build_ctx(Gssctxt **ctx);
114 void ssh_gssapi_delete_ctx(Gssctxt **ctx);
115 OM_uint32 ssh_gssapi_client_ctx(Gssctxt **ctx,gss_OID oid,char *host);
116 OM_uint32 ssh_gssapi_server_ctx(Gssctxt **ctx,gss_OID oid);
119 void ssh_gssapi_client(Kex *kex, char *host, struct sockaddr *hostaddr,
120 Buffer *client_kexinit, Buffer *server_kexinit);
123 int ssh_gssapi_userok(char *name);
124 int ssh_gssapi_localname(char **lname);
125 void ssh_gssapi_server(Kex *kex, Buffer *client_kexinit,
126 Buffer *server_kexinit);
128 OM_uint32 ssh_gssapi_sign(Gssctxt *ctx, gss_buffer_desc *buffer,
129 gss_buffer_desc *hash);
131 void ssh_gssapi_do_child(char ***envp, u_int *envsizep);
132 void ssh_gssapi_cleanup_creds(void *ignored);
133 void ssh_gssapi_storecreds();
134 void ssh_gssapi_clean_env();
137 int gsi_gridmap(char *subject_name, char **mapped_name);
141 #endif /* _SSH_GSS_H */