xref: /freebsd/crypto/heimdal/lib/krb5/krb5_ccapi.h (revision 830940567b49bb0c08dfaed40418999e76616909)
1 /*
2  * Copyright (c) 2004 Kungliga Tekniska H�gskolan
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: krb5_ccapi.h 22090 2007-12-02 23:23:43Z lha $ */
35 
36 #ifndef KRB5_CCAPI_H
37 #define KRB5_CCAPI_H 1
38 
39 #include <krb5-types.h>
40 
41 enum {
42     cc_credentials_v5 = 2
43 };
44 
45 enum {
46     ccapi_version_3 = 3,
47     ccapi_version_4 = 4
48 };
49 
50 enum {
51     ccNoError						= 0,
52 
53     ccIteratorEnd					= 201,
54     ccErrBadParam,
55     ccErrNoMem,
56     ccErrInvalidContext,
57     ccErrInvalidCCache,
58 
59     ccErrInvalidString,					/* 206 */
60     ccErrInvalidCredentials,
61     ccErrInvalidCCacheIterator,
62     ccErrInvalidCredentialsIterator,
63     ccErrInvalidLock,
64 
65     ccErrBadName,					/* 211 */
66     ccErrBadCredentialsVersion,
67     ccErrBadAPIVersion,
68     ccErrContextLocked,
69     ccErrContextUnlocked,
70 
71     ccErrCCacheLocked,					/* 216 */
72     ccErrCCacheUnlocked,
73     ccErrBadLockType,
74     ccErrNeverDefault,
75     ccErrCredentialsNotFound,
76 
77     ccErrCCacheNotFound,				/* 221 */
78     ccErrContextNotFound,
79     ccErrServerUnavailable,
80     ccErrServerInsecure,
81     ccErrServerCantBecomeUID,
82 
83     ccErrTimeOffsetNotSet				/* 226 */
84 };
85 
86 typedef int32_t cc_int32;
87 typedef uint32_t cc_uint32;
88 typedef struct cc_context_t *cc_context_t;
89 typedef struct cc_ccache_t *cc_ccache_t;
90 typedef struct cc_ccache_iterator_t *cc_ccache_iterator_t;
91 typedef struct cc_credentials_v5_t cc_credentials_v5_t;
92 typedef struct cc_credentials_t *cc_credentials_t;
93 typedef struct cc_credentials_iterator_t *cc_credentials_iterator_t;
94 typedef struct cc_string_t *cc_string_t;
95 typedef time_t cc_time_t;
96 
97 typedef struct cc_data {
98     cc_uint32 type;
99     cc_uint32 length;
100     void *data;
101 } cc_data;
102 
103 struct cc_credentials_v5_t {
104     char *client;
105     char *server;
106     cc_data keyblock;
107     cc_time_t authtime;
108     cc_time_t starttime;
109     cc_time_t endtime;
110     cc_time_t renew_till;
111     cc_uint32 is_skey;
112     cc_uint32 ticket_flags;
113 #define	KRB5_CCAPI_TKT_FLG_FORWARDABLE			0x40000000
114 #define	KRB5_CCAPI_TKT_FLG_FORWARDED			0x20000000
115 #define	KRB5_CCAPI_TKT_FLG_PROXIABLE			0x10000000
116 #define	KRB5_CCAPI_TKT_FLG_PROXY			0x08000000
117 #define	KRB5_CCAPI_TKT_FLG_MAY_POSTDATE			0x04000000
118 #define	KRB5_CCAPI_TKT_FLG_POSTDATED			0x02000000
119 #define	KRB5_CCAPI_TKT_FLG_INVALID			0x01000000
120 #define	KRB5_CCAPI_TKT_FLG_RENEWABLE			0x00800000
121 #define	KRB5_CCAPI_TKT_FLG_INITIAL			0x00400000
122 #define	KRB5_CCAPI_TKT_FLG_PRE_AUTH			0x00200000
123 #define	KRB5_CCAPI_TKT_FLG_HW_AUTH			0x00100000
124 #define	KRB5_CCAPI_TKT_FLG_TRANSIT_POLICY_CHECKED	0x00080000
125 #define	KRB5_CCAPI_TKT_FLG_OK_AS_DELEGATE		0x00040000
126 #define	KRB5_CCAPI_TKT_FLG_ANONYMOUS			0x00020000
127     cc_data **addresses;
128     cc_data ticket;
129     cc_data second_ticket;
130     cc_data **authdata;
131 };
132 
133 
134 typedef struct cc_string_functions {
135     cc_int32 (*release)(cc_string_t);
136 } cc_string_functions;
137 
138 struct cc_string_t {
139     const char *data;
140     const cc_string_functions *func;
141 };
142 
143 typedef struct cc_credentials_union {
144     cc_int32 version;
145     union {
146 	cc_credentials_v5_t* credentials_v5;
147     } credentials;
148 } cc_credentials_union;
149 
150 struct cc_credentials_functions {
151     cc_int32 (*release)(cc_credentials_t);
152     cc_int32 (*compare)(cc_credentials_t, cc_credentials_t, cc_uint32*);
153 };
154 
155 struct cc_credentials_t {
156     const cc_credentials_union* data;
157     const struct cc_credentials_functions* func;
158 };
159 
160 struct cc_credentials_iterator_functions {
161     cc_int32 (*release)(cc_credentials_iterator_t);
162     cc_int32 (*next)(cc_credentials_iterator_t, cc_credentials_t*);
163 };
164 
165 struct cc_credentials_iterator_t {
166     const struct cc_credentials_iterator_functions *func;
167 };
168 
169 struct cc_ccache_iterator_functions {
170     cc_int32 (*release) (cc_ccache_iterator_t);
171     cc_int32 (*next)(cc_ccache_iterator_t, cc_ccache_t*);
172 };
173 
174 struct cc_ccache_iterator_t {
175     const struct cc_ccache_iterator_functions* func;
176 };
177 
178 typedef struct cc_ccache_functions {
179     cc_int32 (*release)(cc_ccache_t);
180     cc_int32 (*destroy)(cc_ccache_t);
181     cc_int32 (*set_default)(cc_ccache_t);
182     cc_int32 (*get_credentials_version)(cc_ccache_t, cc_uint32*);
183     cc_int32 (*get_name)(cc_ccache_t, cc_string_t*);
184     cc_int32 (*get_principal)(cc_ccache_t, cc_uint32, cc_string_t*);
185     cc_int32 (*set_principal)(cc_ccache_t, cc_uint32, const char*);
186     cc_int32 (*store_credentials)(cc_ccache_t, const cc_credentials_union*);
187     cc_int32 (*remove_credentials)(cc_ccache_t, cc_credentials_t);
188     cc_int32 (*new_credentials_iterator)(cc_ccache_t,
189 					 cc_credentials_iterator_t*);
190     cc_int32 (*move)(cc_ccache_t, cc_ccache_t);
191     cc_int32 (*lock)(cc_ccache_t, cc_uint32, cc_uint32);
192     cc_int32 (*unlock)(cc_ccache_t);
193     cc_int32 (*get_last_default_time)(cc_ccache_t, cc_time_t*);
194     cc_int32 (*get_change_time)(cc_ccache_t, cc_time_t*);
195     cc_int32 (*compare)(cc_ccache_t, cc_ccache_t, cc_uint32*);
196     cc_int32 (*get_kdc_time_offset)(cc_ccache_t, cc_int32, cc_time_t *);
197     cc_int32 (*set_kdc_time_offset)(cc_ccache_t, cc_int32, cc_time_t);
198     cc_int32 (*clear_kdc_time_offset)(cc_ccache_t, cc_int32);
199 } cc_ccache_functions;
200 
201 struct cc_ccache_t {
202     const cc_ccache_functions *func;
203 };
204 
205 struct  cc_context_functions {
206     cc_int32 (*release)(cc_context_t);
207     cc_int32 (*get_change_time)(cc_context_t, cc_time_t *);
208     cc_int32 (*get_default_ccache_name)(cc_context_t, cc_string_t*);
209     cc_int32 (*open_ccache)(cc_context_t, const char*, cc_ccache_t *);
210     cc_int32 (*open_default_ccache)(cc_context_t, cc_ccache_t*);
211     cc_int32 (*create_ccache)(cc_context_t,const char*, cc_uint32,
212 			      const char*, cc_ccache_t*);
213     cc_int32 (*create_default_ccache)(cc_context_t, cc_uint32,
214 				      const char*, cc_ccache_t*);
215     cc_int32 (*create_new_ccache)(cc_context_t, cc_uint32,
216 				  const char*, cc_ccache_t*);
217     cc_int32 (*new_ccache_iterator)(cc_context_t, cc_ccache_iterator_t*);
218     cc_int32 (*lock)(cc_context_t, cc_uint32, cc_uint32);
219     cc_int32 (*unlock)(cc_context_t);
220     cc_int32 (*compare)(cc_context_t, cc_context_t, cc_uint32*);
221 };
222 
223 struct cc_context_t {
224     const struct cc_context_functions* func;
225 };
226 
227 typedef cc_int32
228 (*cc_initialize_func)(cc_context_t*, cc_int32, cc_int32 *, char const **);
229 
230 #endif /* KRB5_CCAPI_H */
231