1 /*	$NetBSD: krb5_locl.h,v 1.1.1.2 2011/04/14 14:09:23 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1997-2006 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Portions Copyright (c) 2009 Apple Inc. All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * 3. Neither the name of the Institute nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 /* Id */
39 
40 #ifndef __KRB5_LOCL_H__
41 #define __KRB5_LOCL_H__
42 
43 #include <config.h>
44 
45 #include <errno.h>
46 #include <ctype.h>
47 #include <string.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <limits.h>
51 
52 #include <krb5/krb5-types.h>
53 
54 #ifdef HAVE_SYS_TYPES_H
55 #include <sys/types.h>
56 #endif
57 #ifdef HAVE_SYS_MMAN_H
58 #include <sys/mman.h>
59 #endif
60 #ifdef HAVE_UNISTD_H
61 #include <unistd.h>
62 #endif
63 #ifdef HAVE_FCNTL_H
64 #include <fcntl.h>
65 #endif
66 
67 #if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
68 #include <sys/ioctl.h>
69 #endif
70 #ifdef HAVE_PWD_H
71 #undef _POSIX_PTHREAD_SEMANTICS
72 /* This gets us the 5-arg getpwnam_r on Solaris 9.  */
73 #define _POSIX_PTHREAD_SEMANTICS
74 #include <pwd.h>
75 #endif
76 
77 #ifdef HAVE_SYS_PARAM_H
78 #include <sys/param.h>
79 #endif
80 #include <time.h>
81 #ifdef HAVE_SYS_TIME_H
82 #include <sys/time.h>
83 #endif
84 #ifdef HAVE_SYS_SELECT_H
85 #include <sys/select.h>
86 #endif
87 #ifdef HAVE_SYS_SOCKET_H
88 #include <sys/socket.h>
89 #endif
90 #ifdef HAVE_NETINET_IN_H
91 #include <netinet/in.h>
92 #endif
93 #ifdef HAVE_NETINET_IN6_H
94 #include <netinet/in6.h>
95 #endif
96 #ifdef HAVE_NETINET6_IN6_H
97 #include <netinet6/in6.h>
98 #endif
99 #ifdef HAVE_NETDB_H
100 #include <netdb.h>
101 #endif
102 #ifdef _AIX
103 struct ether_addr;
104 struct mbuf;
105 struct sockaddr_dl;
106 #endif
107 #ifdef HAVE_ARPA_INET_H
108 #include <arpa/inet.h>
109 #endif
110 #ifdef HAVE_ARPA_NAMESER_H
111 #include <arpa/nameser.h>
112 #endif
113 #ifdef HAVE_SYS_UIO_H
114 #include <sys/uio.h>
115 #endif
116 #ifdef HAVE_SYS_FILIO_H
117 #include <sys/filio.h>
118 #endif
119 #ifdef HAVE_SYS_FILE_H
120 #include <sys/file.h>
121 #endif
122 
123 #include <krb5/com_err.h>
124 
125 #include <krb5/heimbase.h>
126 
127 #define HEIMDAL_TEXTDOMAIN "heimdal_krb5"
128 
129 #ifdef LIBINTL
130 #include <libintl.h>
131 #define N_(x,y) dgettext(HEIMDAL_TEXTDOMAIN, x)
132 #else
133 #define N_(x,y) (x)
134 #define bindtextdomain(package, localedir)
135 #endif
136 
137 
138 #ifdef HAVE_CRYPT_H
139 #undef des_encrypt
140 #define des_encrypt wingless_pigs_mostly_fail_to_fly
141 #include <crypt.h>
142 #undef des_encrypt
143 #endif
144 
145 #ifdef HAVE_DOOR_CREATE
146 #include <door.h>
147 #endif
148 
149 #include <krb5/roken.h>
150 #include <krb5/parse_time.h>
151 #include <krb5/base64.h>
152 
153 #include <krb5/wind.h>
154 
155 #define HC_DEPRECATED_CRYPTO
156 #include "crypto-headers.h"
157 
158 
159 #include <krb5/krb5_asn1.h>
160 
161 struct send_to_kdc;
162 
163 /* XXX glue for pkinit */
164 struct hx509_certs_data;
165 struct krb5_pk_identity;
166 struct krb5_pk_cert;
167 struct ContentInfo;
168 struct AlgorithmIdentifier;
169 typedef struct krb5_pk_init_ctx_data *krb5_pk_init_ctx;
170 struct krb5_dh_moduli;
171 
172 /* v4 glue */
173 struct _krb5_krb_auth_data;
174 
175 #include <krb5/der.h>
176 
177 #include <krb5/krb5.h>
178 #include <krb5/krb5_err.h>
179 #include <krb5/asn1_err.h>
180 #ifdef PKINIT
181 #include <krb5/hx509.h>
182 #endif
183 
184 #include "crypto.h"
185 
186 #include <krb5/krb5-private.h>
187 
188 #include "heim_threads.h"
189 
190 #define ALLOC(X, N) (X) = calloc((N), sizeof(*(X)))
191 #define ALLOC_SEQ(X, N) do { (X)->len = (N); ALLOC((X)->val, (N)); } while(0)
192 
193 #ifndef PATH_SEP
194 #define PATH_SEP ":"
195 #endif
196 
197 /* should this be public? */
198 #define KEYTAB_DEFAULT "FILE:" SYSCONFDIR "/krb5.keytab"
199 #define KEYTAB_DEFAULT_MODIFY "FILE:" SYSCONFDIR "/krb5.keytab"
200 
201 
202 #define MODULI_FILE SYSCONFDIR "/krb5.moduli"
203 
204 #ifndef O_BINARY
205 #define O_BINARY 0
206 #endif
207 
208 #ifndef O_CLOEXEC
209 #define O_CLOEXEC 0
210 #endif
211 
212 #ifndef SOCK_CLOEXEC
213 #define SOCK_CLOEXEC 0
214 #endif
215 
216 
217 #define KRB5_BUFSIZ 2048
218 
219 typedef enum {
220     KRB5_INIT_CREDS_TRISTATE_UNSET = 0,
221     KRB5_INIT_CREDS_TRISTATE_TRUE,
222     KRB5_INIT_CREDS_TRISTATE_FALSE
223 } krb5_get_init_creds_tristate;
224 
225 struct _krb5_get_init_creds_opt_private {
226     int refcount;
227     /* ENC_TIMESTAMP */
228     const char *password;
229     krb5_s2k_proc key_proc;
230     /* PA_PAC_REQUEST */
231     krb5_get_init_creds_tristate req_pac;
232     /* PKINIT */
233     krb5_pk_init_ctx pk_init_ctx;
234     krb5_get_init_creds_tristate addressless;
235     int flags;
236 #define KRB5_INIT_CREDS_CANONICALIZE		1
237 #define KRB5_INIT_CREDS_NO_C_CANON_CHECK	2
238 #define KRB5_INIT_CREDS_NO_C_NO_EKU_CHECK	4
239     struct {
240         krb5_gic_process_last_req func;
241         void *ctx;
242     } lr;
243 };
244 
245 typedef struct krb5_context_data {
246     krb5_enctype *etypes;
247     krb5_enctype *etypes_des;
248     char **default_realms;
249     time_t max_skew;
250     time_t kdc_timeout;
251     unsigned max_retries;
252     int32_t kdc_sec_offset;
253     int32_t kdc_usec_offset;
254     krb5_config_section *cf;
255     struct et_list *et_list;
256     struct krb5_log_facility *warn_dest;
257     struct krb5_log_facility *debug_dest;
258     const krb5_cc_ops **cc_ops;
259     int num_cc_ops;
260     const char *http_proxy;
261     const char *time_fmt;
262     krb5_boolean log_utc;
263     const char *default_keytab;
264     const char *default_keytab_modify;
265     krb5_boolean use_admin_kdc;
266     krb5_addresses *extra_addresses;
267     krb5_boolean scan_interfaces;	/* `ifconfig -a' */
268     krb5_boolean srv_lookup;		/* do SRV lookups */
269     krb5_boolean srv_try_txt;		/* try TXT records also */
270     int32_t fcache_vno;			/* create cache files w/ this
271                                            version */
272     int num_kt_types;			/* # of registered keytab types */
273     struct krb5_keytab_data *kt_types;  /* registered keytab types */
274     const char *date_fmt;
275     char *error_string;
276     krb5_error_code error_code;
277     krb5_addresses *ignore_addresses;
278     char *default_cc_name;
279     char *default_cc_name_env;
280     int default_cc_name_set;
281     void *mutex;			/* protects error_string/error_buf */
282     int large_msg_size;
283     int flags;
284 #define KRB5_CTX_F_DNS_CANONICALIZE_HOSTNAME	1
285 #define KRB5_CTX_F_CHECK_PAC			2
286 #define KRB5_CTX_F_HOMEDIR_ACCESS		4
287 #define KRB5_CTX_F_SOCKETS_INITIALIZED          8
288 #define KRB5_CTX_F_RD_REQ_IGNORE		16
289     struct send_to_kdc *send_to_kdc;
290 #ifdef PKINIT
291     hx509_context hx509ctx;
292 #endif
293 } krb5_context_data;
294 
295 #ifndef KRB5_USE_PATH_TOKENS
296 #define KRB5_DEFAULT_CCNAME_FILE "FILE:/tmp/krb5cc_%{uid}"
297 #else
298 #define KRB5_DEFAULT_CCNAME_FILE "FILE:%{TEMP}/krb5cc_%{uid}"
299 #endif
300 #define KRB5_DEFAULT_CCNAME_API "API:"
301 #define KRB5_DEFAULT_CCNAME_KCM_KCM "KCM:%{uid}"
302 #define KRB5_DEFAULT_CCNAME_KCM_API "API:%{uid}"
303 
304 #define EXTRACT_TICKET_ALLOW_CNAME_MISMATCH		1
305 #define EXTRACT_TICKET_ALLOW_SERVER_MISMATCH		2
306 #define EXTRACT_TICKET_MATCH_REALM			4
307 #define EXTRACT_TICKET_AS_REQ				8
308 #define EXTRACT_TICKET_TIMESYNC				16
309 
310 /*
311  * Configurable options
312  */
313 
314 #ifndef KRB5_DEFAULT_CCTYPE
315 #ifdef __APPLE__
316 #define KRB5_DEFAULT_CCTYPE (&krb5_acc_ops)
317 #else
318 #define KRB5_DEFAULT_CCTYPE (&krb5_fcc_ops)
319 #endif
320 #endif
321 
322 #ifndef KRB5_ADDRESSLESS_DEFAULT
323 #define KRB5_ADDRESSLESS_DEFAULT TRUE
324 #endif
325 
326 #ifndef KRB5_FORWARDABLE_DEFAULT
327 #define KRB5_FORWARDABLE_DEFAULT TRUE
328 #endif
329 
330 #ifdef PKINIT
331 
332 struct krb5_pk_identity {
333     hx509_verify_ctx verify_ctx;
334     hx509_certs certs;
335     hx509_cert cert;
336     hx509_certs anchors;
337     hx509_certs certpool;
338     hx509_revoke_ctx revokectx;
339     int flags;
340 #define PKINIT_BTMM 1
341 };
342 
343 enum krb5_pk_type {
344     PKINIT_WIN2K = 1,
345     PKINIT_27 = 2
346 };
347 
348 #endif /* PKINIT */
349 
350 #endif /* __KRB5_LOCL_H__ */
351