1 /*
2  * Copyright (c) 1997 - 2006 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 /* $Id$ */
35 
36 #ifndef GSSAPI_KRB5_H_
37 #define GSSAPI_KRB5_H_
38 
39 #include <gssapi/gssapi.h>
40 
41 GSSAPI_CPP_START
42 
43 #if !defined(__GNUC__) && !defined(__attribute__)
44 #define __attribute__(x)
45 #endif
46 
47 #ifndef GSSKRB5_FUNCTION_DEPRECATED
48 #define GSSKRB5_FUNCTION_DEPRECATED __attribute__((deprecated))
49 #endif
50 
51 
52 /*
53  * This is for kerberos5 names.
54  */
55 
56 extern gss_OID_desc GSSAPI_LIB_VARIABLE __gss_krb5_nt_principal_name_oid_desc;
57 #define GSS_KRB5_NT_PRINCIPAL_NAME (&__gss_krb5_nt_principal_name_oid_desc)
58 
59 #define GSS_KRB5_NT_USER_NAME (&__gss_c_nt_user_name_oid_desc)
60 #define GSS_KRB5_NT_MACHINE_UID_NAME (&__gss_c_nt_machine_uid_name_oid_desc)
61 #define GSS_KRB5_NT_STRING_UID_NAME (&__gss_c_nt_string_uid_name_oid_desc)
62 
63 extern gss_OID_desc GSSAPI_LIB_VARIABLE __gss_krb5_mechanism_oid_desc;
64 #define GSS_KRB5_MECHANISM (&__gss_krb5_mechanism_oid_desc)
65 
66 /* for compatibility with MIT api */
67 
68 #define gss_mech_krb5 GSS_KRB5_MECHANISM
69 #define gss_krb5_nt_general_name GSS_KRB5_NT_PRINCIPAL_NAME
70 
71 /*
72  * kerberos mechanism specific functions
73  */
74 
75 struct krb5_keytab_data;
76 struct krb5_ccache_data;
77 struct Principal;
78 
79 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
80 gss_krb5_ccache_name(OM_uint32 * /*minor_status*/,
81 		     const char * /*name */,
82 		     const char ** /*out_name */);
83 
84 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gsskrb5_register_acceptor_identity
85         (const char * /*identity*/);
86 
87 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL krb5_gss_register_acceptor_identity
88 	(const char * /*identity*/);
89 
90 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_krb5_copy_ccache
91 	(OM_uint32 * /*minor*/,
92 	 gss_cred_id_t /*cred*/,
93 	 struct krb5_ccache_data * /*out*/);
94 
95 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
96 gss_krb5_import_cred(OM_uint32 * /*minor*/,
97 		     struct krb5_ccache_data * /*in*/,
98 		     struct Principal * /*keytab_principal*/,
99 		     struct krb5_keytab_data * /*keytab*/,
100 		     gss_cred_id_t * /*out*/);
101 
102 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_krb5_get_tkt_flags
103 	(OM_uint32 * /*minor*/,
104 	 gss_ctx_id_t /*context_handle*/,
105 	 OM_uint32 * /*tkt_flags*/);
106 
107 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
108 gsskrb5_extract_authz_data_from_sec_context
109 	(OM_uint32 * /*minor_status*/,
110 	 gss_ctx_id_t /*context_handle*/,
111 	 int /*ad_type*/,
112 	 gss_buffer_t /*ad_data*/);
113 
114 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
115 gsskrb5_set_dns_canonicalize(int);
116 
117 struct gsskrb5_send_to_kdc {
118     void *func;
119     void *ptr;
120 };
121 
122 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
123 gsskrb5_set_send_to_kdc(struct gsskrb5_send_to_kdc *)
124     GSSKRB5_FUNCTION_DEPRECATED;
125 
126 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
127 gsskrb5_set_default_realm(const char *);
128 
129 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
130 gsskrb5_extract_authtime_from_sec_context(OM_uint32 *, gss_ctx_id_t, time_t *);
131 
132 struct EncryptionKey;
133 
134 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
135 gsskrb5_extract_service_keyblock(OM_uint32 *minor_status,
136 				 gss_ctx_id_t context_handle,
137 				 struct EncryptionKey **out);
138 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
139 gsskrb5_get_initiator_subkey(OM_uint32 *minor_status,
140 				 gss_ctx_id_t context_handle,
141 				 struct EncryptionKey **out);
142 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
143 gsskrb5_get_subkey(OM_uint32 *minor_status,
144 		   gss_ctx_id_t context_handle,
145 		   struct EncryptionKey **out);
146 
147 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
148 gsskrb5_set_time_offset(int);
149 
150 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
151 gsskrb5_get_time_offset(int *);
152 
153 struct gsskrb5_krb5_plugin {
154     int type;
155     char *name;
156     void *symbol;
157 };
158 
159 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
160 gsskrb5_plugin_register(struct gsskrb5_krb5_plugin *);
161 
162 
163 /*
164  * Lucid - NFSv4 interface to GSS-API KRB5 to expose key material to
165  * do GSS content token handling in-kernel.
166  */
167 
168 typedef struct gss_krb5_lucid_key {
169 	OM_uint32	type;
170 	OM_uint32	length;
171 	void *		data;
172 } gss_krb5_lucid_key_t;
173 
174 typedef struct gss_krb5_rfc1964_keydata {
175 	OM_uint32		sign_alg;
176 	OM_uint32		seal_alg;
177 	gss_krb5_lucid_key_t	ctx_key;
178 } gss_krb5_rfc1964_keydata_t;
179 
180 typedef struct gss_krb5_cfx_keydata {
181 	OM_uint32		have_acceptor_subkey;
182 	gss_krb5_lucid_key_t	ctx_key;
183 	gss_krb5_lucid_key_t	acceptor_subkey;
184 } gss_krb5_cfx_keydata_t;
185 
186 typedef struct gss_krb5_lucid_context_v1 {
187 	OM_uint32	version;
188 	OM_uint32	initiate;
189 	OM_uint32	endtime;
190 	OM_uint64	send_seq;
191 	OM_uint64	recv_seq;
192 	OM_uint32	protocol;
193 	gss_krb5_rfc1964_keydata_t rfc1964_kd;
194 	gss_krb5_cfx_keydata_t	   cfx_kd;
195 } gss_krb5_lucid_context_v1_t;
196 
197 typedef struct gss_krb5_lucid_context_version {
198 	OM_uint32	version;	/* Structure version number */
199 } gss_krb5_lucid_context_version_t;
200 
201 /*
202  * Function declarations
203  */
204 
205 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
206 gss_krb5_export_lucid_sec_context(OM_uint32 *minor_status,
207 				  gss_ctx_id_t *context_handle,
208 				  OM_uint32 version,
209 				  void **kctx);
210 
211 
212 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
213 gss_krb5_free_lucid_sec_context(OM_uint32 *minor_status,
214 				void *kctx);
215 
216 
217 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
218 gss_krb5_set_allowable_enctypes(OM_uint32 *minor_status,
219 				gss_cred_id_t cred,
220 				OM_uint32 num_enctypes,
221 				int32_t *enctypes);
222 
223 GSSAPI_CPP_END
224 
225 #endif /* GSSAPI_SPNEGO_H_ */
226