1/* $NetBSD: krb5_locl.h,v 1.2 2017/01/28 21:31:49 christos Exp $ */
2
3/*
4 * Copyright (c) 1997-2016 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#include <krb5/roken.h>
45
46#include <ctype.h>
47
48#ifdef HAVE_POLL_H
49#include <sys/poll.h>
50#endif
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
61#if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
62#include <sys/ioctl.h>
63#endif
64#ifdef HAVE_PWD_H
65#undef _POSIX_PTHREAD_SEMANTICS
66/* This gets us the 5-arg getpwnam_r on Solaris 9. */
67#define _POSIX_PTHREAD_SEMANTICS
68#include <pwd.h>
69#endif
70
71#ifdef HAVE_SYS_SELECT_H
72#include <sys/select.h>
73#endif
74#ifdef _AIX
75struct mbuf;
76#endif
77#ifdef HAVE_SYS_FILIO_H
78#include <sys/filio.h>
79#endif
80#ifdef HAVE_SYS_FILE_H
81#include <sys/file.h>
82#endif
83
84#include <krb5/com_err.h>
85
86#include <krb5/heimbase.h>
87
88#define HEIMDAL_TEXTDOMAIN "heimdal_krb5"
89
90#ifdef LIBINTL
91#include <libintl.h>
92#define N_(x,y) dgettext(HEIMDAL_TEXTDOMAIN, x)
93#else
94#define N_(x,y) (x)
95#define bindtextdomain(package, localedir)
96#endif
97
98
99#ifdef HAVE_CRYPT_H
100#undef des_encrypt
101#define des_encrypt wingless_pigs_mostly_fail_to_fly
102#include <crypt.h>
103#undef des_encrypt
104#endif
105
106#ifdef HAVE_DOOR_CREATE
107#include <door.h>
108#endif
109
110#include <krb5/parse_time.h>
111#include <krb5/base64.h>
112
113#include <krb5/wind.h>
114
115/*
116 * We use OpenSSL for EC, but to do this we need to disable cross-references
117 * between OpenSSL and hcrypto bn.h and such. Source files that use OpenSSL EC
118 * must define HEIM_NO_CRYPTO_HDRS before including this file.
119 */
120#define HC_DEPRECATED_CRYPTO
121#ifndef HEIM_NO_CRYPTO_HDRS
122#include "crypto-headers.h"
123#endif
124
125
126#include <krb5/krb5_asn1.h>
127#include <krb5/pkinit_asn1.h>
128
129struct send_to_kdc;
130
131/* XXX glue for pkinit */
132struct hx509_certs_data;
133struct krb5_pk_identity;
134struct krb5_pk_cert;
135struct ContentInfo;
136struct AlgorithmIdentifier;
137typedef struct krb5_pk_init_ctx_data *krb5_pk_init_ctx;
138struct krb5_dh_moduli;
139
140/* v4 glue */
141struct _krb5_krb_auth_data;
142
143#include <krb5/der.h>
144
145#include <krb5/krb5.h>
146#include <krb5/krb5_err.h>
147#include <krb5/asn1_err.h>
148#ifdef PKINIT
149#include <krb5/hx509.h>
150#endif
151
152#include "crypto.h"
153
154#include <krb5/krb5-private.h>
155
156#include "heim_threads.h"
157
158#define ALLOC(X, N) (X) = calloc((N), sizeof(*(X)))
159#define ALLOC_SEQ(X, N) do { (X)->len = (N); ALLOC((X)->val, (N)); } while(0)
160
161#ifndef __func__
162#define __func__ "unknown-function"
163#endif
164
165#define krb5_einval(context, argnum) _krb5_einval((context), __func__, (argnum))
166
167#ifndef PATH_SEP
168#define PATH_SEP ":"
169#endif
170
171/* should this be public? */
172#define KEYTAB_DEFAULT "FILE:" SYSCONFDIR "/krb5.keytab"
173#define KEYTAB_DEFAULT_MODIFY "FILE:" SYSCONFDIR "/krb5.keytab"
174
175
176#define MODULI_FILE SYSCONFDIR "/krb5.moduli"
177
178#ifndef O_BINARY
179#define O_BINARY 0
180#endif
181
182#ifndef O_CLOEXEC
183#define O_CLOEXEC 0
184#endif
185
186#ifndef SOCK_CLOEXEC
187#define SOCK_CLOEXEC 0
188#endif
189
190
191#define KRB5_BUFSIZ 2048
192
193typedef enum {
194 KRB5_INIT_CREDS_TRISTATE_UNSET = 0,
195 KRB5_INIT_CREDS_TRISTATE_TRUE,
196 KRB5_INIT_CREDS_TRISTATE_FALSE
197} krb5_get_init_creds_tristate;
198
199struct _krb5_get_init_creds_opt_private {
200 int refcount;
201 /* ENC_TIMESTAMP */
202 const char *password;
203 krb5_s2k_proc key_proc;
204 /* PA_PAC_REQUEST */
205 krb5_get_init_creds_tristate req_pac;
206 /* PKINIT */
207 krb5_pk_init_ctx pk_init_ctx;
208 krb5_get_init_creds_tristate addressless;
209 int flags;
210#define KRB5_INIT_CREDS_CANONICALIZE 1
211#define KRB5_INIT_CREDS_NO_C_CANON_CHECK 2
212#define KRB5_INIT_CREDS_NO_C_NO_EKU_CHECK 4
213 struct {
214 krb5_gic_process_last_req func;
215 void *ctx;
216 } lr;
217};
218
219typedef uint32_t krb5_enctype_set;
220
221typedef struct krb5_context_data {
222 krb5_enctype *etypes;
223 krb5_enctype *cfg_etypes;
224 krb5_enctype *etypes_des;/* deprecated */
225 krb5_enctype *as_etypes;
226 krb5_enctype *tgs_etypes;
227 krb5_enctype *permitted_enctypes;
228 char **default_realms;
229 time_t max_skew;
230 time_t kdc_timeout;
231 time_t host_timeout;
232 unsigned max_retries;
233 int32_t kdc_sec_offset;
234 int32_t kdc_usec_offset;
235 krb5_config_section *cf;
236 struct et_list *et_list;
237 struct krb5_log_facility *warn_dest;
238 struct krb5_log_facility *debug_dest;
239 const krb5_cc_ops **cc_ops;
240 int num_cc_ops;
241 const char *http_proxy;
242 const char *time_fmt;
243 krb5_boolean log_utc;
244 const char *default_keytab;
245 const char *default_keytab_modify;
246 krb5_boolean use_admin_kdc;
247 krb5_addresses *extra_addresses;
248 krb5_boolean scan_interfaces; /* `ifconfig -a' */
249 krb5_boolean srv_lookup; /* do SRV lookups */
250 krb5_boolean srv_try_txt; /* try TXT records also */
251 int32_t fcache_vno; /* create cache files w/ this
252 version */
253 int num_kt_types; /* # of registered keytab types */
254 struct krb5_keytab_data *kt_types; /* registered keytab types */
255 const char *date_fmt;
256 char *error_string;
257 krb5_error_code error_code;
258 krb5_addresses *ignore_addresses;
259 char *default_cc_name;
260 char *default_cc_name_env;
261 int default_cc_name_set;
262 HEIMDAL_MUTEX mutex; /* protects error_string */
263 int large_msg_size;
264 int max_msg_size;
265 int tgs_negative_timeout; /* timeout for TGS negative cache */
266 int flags;
267#define KRB5_CTX_F_DNS_CANONICALIZE_HOSTNAME 1
268#define KRB5_CTX_F_CHECK_PAC 2
269#define KRB5_CTX_F_HOMEDIR_ACCESS 4
270#define KRB5_CTX_F_SOCKETS_INITIALIZED 8
271#define KRB5_CTX_F_RD_REQ_IGNORE 16
272#define KRB5_CTX_F_FCACHE_STRICT_CHECKING 32
273 struct send_to_kdc *send_to_kdc;
274#ifdef PKINIT
275 hx509_context hx509ctx;
276#endif
277 unsigned int num_kdc_requests;
278 krb5_name_canon_rule name_canon_rules;
279} krb5_context_data;
280
281#ifndef KRB5_USE_PATH_TOKENS
282#define KRB5_DEFAULT_CCNAME_FILE "FILE:/tmp/krb5cc_%{uid}"
283#define KRB5_DEFAULT_CCNAME_DIR "DIR:/tmp/krb5cc_%{uid}_dir/"
284#else
285#define KRB5_DEFAULT_CCNAME_FILE "FILE:%{TEMP}/krb5cc_%{uid}"
286#define KRB5_DEFAULT_CCNAME_DIR "DIR:%{TEMP}/krb5cc_%{uid}_dir/"
287#endif
288#define KRB5_DEFAULT_CCNAME_API "API:"
289#define KRB5_DEFAULT_CCNAME_KCM_KCM "KCM:%{uid}"
290#define KRB5_DEFAULT_CCNAME_KCM_API "API:%{uid}"
291
292#define EXTRACT_TICKET_ALLOW_CNAME_MISMATCH 1
293#define EXTRACT_TICKET_ALLOW_SERVER_MISMATCH 2
294#define EXTRACT_TICKET_MATCH_REALM 4
295#define EXTRACT_TICKET_AS_REQ 8
296#define EXTRACT_TICKET_TIMESYNC 16
297
298/*
299 * Configurable options
300 */
301
302#ifndef KRB5_DEFAULT_CCTYPE
303#ifdef __APPLE__
304#define KRB5_DEFAULT_CCTYPE (&krb5_acc_ops)
305#else
306#define KRB5_DEFAULT_CCTYPE (&krb5_fcc_ops)
307#endif
308#endif
309
310#ifndef KRB5_ADDRESSLESS_DEFAULT
311#define KRB5_ADDRESSLESS_DEFAULT TRUE
312#endif
313
314#ifndef KRB5_FORWARDABLE_DEFAULT
315#define KRB5_FORWARDABLE_DEFAULT TRUE
316#endif
317
318#ifndef KRB5_CONFIGURATION_CHANGE_NOTIFY_NAME
319#define KRB5_CONFIGURATION_CHANGE_NOTIFY_NAME "org.h5l.Kerberos.configuration-changed"
320#endif
321
322#ifndef KRB5_FALLBACK_DEFAULT
323#define KRB5_FALLBACK_DEFAULT TRUE
324#endif
325
326#ifndef KRB5_TKT_LIFETIME_DEFAULT
327# define KRB5_TKT_LIFETIME_DEFAULT 15778800 /* seconds */
328#endif
329
330#ifndef KRB5_TKT_RENEW_LIFETIME_DEFAULT
331# define KRB5_TKT_RENEW_LIFETIME_DEFAULT 15778800 /* seconds */
332#endif
333
334#ifdef PKINIT
335
336struct krb5_pk_identity {
337 hx509_verify_ctx verify_ctx;
338 hx509_certs certs;
339 hx509_cert cert;
340 hx509_certs anchors;
341 hx509_certs certpool;
342 hx509_revoke_ctx revokectx;
343 int flags;
344#define PKINIT_BTMM 1
345};
346
347enum krb5_pk_type {
348 PKINIT_WIN2K = 1,
349 PKINIT_27 = 2
350};
351
352enum keyex_enum { USE_RSA, USE_DH, USE_ECDH };
353
354struct krb5_pk_init_ctx_data {
355 struct krb5_pk_identity *id;
356 enum keyex_enum keyex;
357 union {
358 DH *dh;
359 void *eckey;
360 } u;
361 krb5_data *clientDHNonce;
362 struct krb5_dh_moduli **m;
363 hx509_peer_info peer;
364 enum krb5_pk_type type;
365 unsigned int require_binding:1;
366 unsigned int require_eku:1;
367 unsigned int require_krbtgt_otherName:1;
368 unsigned int require_hostname_match:1;
369 unsigned int trustedCertifiers:1;
370 unsigned int anonymous:1;
371};
372
373#endif /* PKINIT */
374
375#define ISTILDE(x) (x == '~')
376#ifdef _WIN32
377# define ISPATHSEP(x) (x == '/' || x =='\\')
378#else
379# define ISPATHSEP(x) (x == '/')
380#endif
381
382#endif /* __KRB5_LOCL_H__ */
383