lib/krb5/krb5_locl.h

   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 __KRB5_LOCL_H__
  37 #define __KRB5_LOCL_H__
  38
  39 #include <config.h>
  40
  41 #include <errno.h>
  42 #include <ctype.h>
  43 #include <string.h>
  44 #include <stdio.h>
  45 #include <stdlib.h>
  46 #include <limits.h>
  47
  48 #ifdef HAVE_SYS_TYPES_H
  49 #include <sys/types.h>
  50 #endif
  51 #ifdef HAVE_SYS_MMAN_H
  52 #include <sys/mman.h>
  53 #endif
  54 #ifdef HAVE_UNISTD_H
  55 #include <unistd.h>
  56 #endif
  57 #ifdef HAVE_FCNTL_H
  58 #include <fcntl.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_PARAM_H
  72 #include <sys/param.h>
  73 #endif
  74 #include <time.h>
  75 #ifdef HAVE_SYS_TIME_H
  76 #include <sys/time.h>
  77 #endif
  78 #ifdef HAVE_SYS_SELECT_H
  79 #include <sys/select.h>
  80 #endif
  81 #ifdef HAVE_SYS_SOCKET_H
  82 #include <sys/socket.h>
  83 #endif
  84 #ifdef HAVE_NETINET_IN_H
  85 #include <netinet/in.h>
  86 #endif
  87 #ifdef HAVE_NETINET_IN6_H
  88 #include <netinet/in6.h>
  89 #endif
  90 #ifdef HAVE_NETINET6_IN6_H
  91 #include <netinet6/in6.h>
  92 #endif
  93 #ifdef HAVE_NETDB_H
  94 #include <netdb.h>
  95 #endif
  96 #ifdef _AIX
  97 struct ether_addr;
  98 struct mbuf;
  99 struct sockaddr_dl;
 100 #endif
 101 #ifdef HAVE_ARPA_INET_H
 102 #include <arpa/inet.h>
 103 #endif
 104 #ifdef HAVE_ARPA_NAMESER_H
 105 #include <arpa/nameser.h>
 106 #endif
 107 #ifdef HAVE_SYS_UIO_H
 108 #include <sys/uio.h>
 109 #endif
 110 #ifdef HAVE_SYS_FILIO_H
 111 #include <sys/filio.h>
 112 #endif
 113 #ifdef HAVE_SYS_FILE_H
 114 #include <sys/file.h>
 115 #endif
 116
 117 #define HEIMDAL_TEXTDOMAIN "heimdal_krb5"
 118
 119 #ifdef LIBINTL
 120 #include <libintl.h>
 121 #define N_(x,y) dgettext(HEIMDAL_TEXTDOMAIN, x)
 122 #else
 123 #define N_(x,y) (x)
 124 #define bindtextdomain(package, localedir)
 125 #endif
 126
 127
 128 #ifdef HAVE_CRYPT_H
 129 #undef des_encrypt
 130 #define des_encrypt wingless_pigs_mostly_fail_to_fly
 131 #include <crypt.h>
 132 #undef des_encrypt
 133 #endif
 134
 135 #ifdef HAVE_DOOR_CREATE
 136 #include <door.h>
 137 #endif
 138
 139 #include <com_err.h>
 140
 141 #include <roken.h>
 142 #include <parse_time.h>
 143 #include <base64.h>
 144
 145 #include <wind.h>
 146
 147 #define HC_DEPRECATED_CRYPTO
 148 #include "crypto-headers.h"
 149
 150
 151 #include <krb5_asn1.h>
 152
 153 struct send_to_kdc;
 154
 155 /* XXX glue for pkinit */
 156 struct hx509_certs_data;
 157 struct krb5_pk_identity;
 158 struct krb5_pk_cert;
 159 struct ContentInfo;
 160 struct AlgorithmIdentifier;
 161 typedef struct krb5_pk_init_ctx_data *krb5_pk_init_ctx;
 162 struct krb5_dh_moduli;
 163
 164 /* v4 glue */
 165 struct _krb5_krb_auth_data;
 166
 167 #include <der.h>
 168
 169 #include <krb5.h>
 170 #include <krb5_err.h>
 171 #include <asn1_err.h>
 172 #ifdef PKINIT
 173 #include <hx509.h>
 174 #endif
 175 #include <krb5-private.h>
 176
 177 #include "heim_threads.h"
 178
 179 #define ALLOC(X, N) (X) = calloc((N), sizeof(*(X)))
 180 #define ALLOC_SEQ(X, N) do { (X)->len = (N); ALLOC((X)->val, (N)); } while(0)
 181
 182 /* should this be public? */
 183 #define KEYTAB_DEFAULT "FILE:" SYSCONFDIR "/krb5.keytab"
 184 #define KEYTAB_DEFAULT_MODIFY "FILE:" SYSCONFDIR "/krb5.keytab"
 185
 186 #define MODULI_FILE SYSCONFDIR "/krb5.moduli"
 187
 188 #ifndef O_BINARY
 189 #define O_BINARY 0
 190 #endif
 191
 192 #ifndef O_CLOEXEC
 193 #define O_CLOEXEC 0
 194 #endif
 195
 196 #ifndef SOCK_CLOEXEC
 197 #define SOCK_CLOEXEC 0
 198 #endif
 199
 200
 201 #define KRB5_BUFSIZ 1024
 202
 203 typedef enum {
 204     KRB5_INIT_CREDS_TRISTATE_UNSET = 0,
 205     KRB5_INIT_CREDS_TRISTATE_TRUE,
 206     KRB5_INIT_CREDS_TRISTATE_FALSE
 207 } krb5_get_init_creds_tristate;
 208
 209 struct _krb5_get_init_creds_opt_private {
 210     int refcount;
 211     /* ENC_TIMESTAMP */
 212     const char *password;
 213     krb5_s2k_proc key_proc;
 214     /* PA_PAC_REQUEST */
 215     krb5_get_init_creds_tristate req_pac;
 216     /* PKINIT */
 217     krb5_pk_init_ctx pk_init_ctx;
 218     krb5_get_init_creds_tristate addressless;
 219     int flags;
 220 #define KRB5_INIT_CREDS_CANONICALIZE            1
 221 #define KRB5_INIT_CREDS_NO_C_CANON_CHECK        2
 222     struct {
 223         krb5_gic_process_last_req func;
 224         void *ctx;
 225     } lr;
 226 };
 227
 228 typedef struct krb5_context_data {
 229     krb5_enctype *etypes;
 230     krb5_enctype *etypes_des;
 231     char **default_realms;
 232     time_t max_skew;
 233     time_t kdc_timeout;
 234     unsigned max_retries;
 235     int32_t kdc_sec_offset;
 236     int32_t kdc_usec_offset;
 237     krb5_config_section *cf;
 238     struct et_list *et_list;
 239     struct krb5_log_facility *warn_dest;
 240     struct krb5_log_facility *debug_dest;
 241     const krb5_cc_ops **cc_ops;
 242     int num_cc_ops;
 243     const char *http_proxy;
 244     const char *time_fmt;
 245     krb5_boolean log_utc;
 246     const char *default_keytab;
 247     const char *default_keytab_modify;
 248     krb5_boolean use_admin_kdc;
 249     krb5_addresses *extra_addresses;
 250     krb5_boolean scan_interfaces;       /* `ifconfig -a' */
 251     krb5_boolean srv_lookup;            /* do SRV lookups */
 252     krb5_boolean srv_try_txt;           /* try TXT records also */
 253     int32_t fcache_vno;                 /* create cache files w/ this
 254                                            version */
 255     int num_kt_types;                   /* # of registered keytab types */
 256     struct krb5_keytab_data *kt_types;  /* registered keytab types */
 257     const char *date_fmt;
 258     char *error_string;
 259     krb5_error_code error_code;
 260     krb5_addresses *ignore_addresses;
 261     char *default_cc_name;
 262     char *default_cc_name_env;
 263     int default_cc_name_set;
 264     void *mutex;                        /* protects error_string/error_buf */
 265     int large_msg_size;
 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     struct send_to_kdc *send_to_kdc;
 271 #ifdef PKINIT
 272     hx509_context hx509ctx;
 273 #endif
 274 } krb5_context_data;
 275
 276 #define KRB5_DEFAULT_CCNAME_FILE "FILE:/tmp/krb5cc_%{uid}"
 277 #define KRB5_DEFAULT_CCNAME_API "API:"
 278 #define KRB5_DEFAULT_CCNAME_KCM "KCM:%{uid}"
 279
 280 #define EXTRACT_TICKET_ALLOW_CNAME_MISMATCH             1
 281 #define EXTRACT_TICKET_ALLOW_SERVER_MISMATCH            2
 282 #define EXTRACT_TICKET_MATCH_REALM                      4
 283 #define EXTRACT_TICKET_AS_REQ                           8
 284
 285 /*
 286  * Configurable options
 287  */
 288
 289 #ifndef KRB5_DEFAULT_CCTYPE
 290 #ifdef __APPLE__
 291 #define KRB5_DEFAULT_CCTYPE (&krb5_acc_ops)
 292 #else
 293 #define KRB5_DEFAULT_CCTYPE (&krb5_fcc_ops)
 294 #endif
 295 #endif
 296
 297 #ifndef KRB5_ADDRESSLESS_DEFAULT
 298 #define KRB5_ADDRESSLESS_DEFAULT TRUE
 299 #endif
 300
 301 #ifdef PKINIT
 302
 303 struct krb5_pk_identity {
 304     hx509_verify_ctx verify_ctx;
 305     hx509_certs certs;
 306     hx509_cert cert;
 307     hx509_certs anchors;
 308     hx509_certs certpool;
 309     hx509_revoke_ctx revokectx;
 310 };
 311
 312 enum krb5_pk_type {
 313     PKINIT_WIN2K = 1,
 314     PKINIT_27 = 2
 315 };
 316
 317 #endif /* PKINIT */
 318
 319 #endif /* __KRB5_LOCL_H__ */