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 #ifdef HAVE_CONFIG_H
  40 #include <config.h>
  41 #endif
  42
  43 #include <errno.h>
  44 #include <ctype.h>
  45 #include <string.h>
  46 #include <stdio.h>
  47 #include <stdlib.h>
  48 #include <limits.h>
  49
  50 #ifdef HAVE_SYS_TYPES_H
  51 #include <sys/types.h>
  52 #endif
  53 #ifdef HAVE_SYS_MMAN_H
  54 #include <sys/mman.h>
  55 #endif
  56 #ifdef HAVE_UNISTD_H
  57 #include <unistd.h>
  58 #endif
  59 #ifdef HAVE_FCNTL_H
  60 #include <fcntl.h>
  61 #endif
  62
  63 #if defined(HAVE_SYS_IOCTL_H) && SunOS != 40
  64 #include <sys/ioctl.h>
  65 #endif
  66 #ifdef HAVE_PWD_H
  67 #undef _POSIX_PTHREAD_SEMANTICS
  68 /* This gets us the 5-arg getpwnam_r on Solaris 9.  */
  69 #define _POSIX_PTHREAD_SEMANTICS
  70 #include <pwd.h>
  71 #endif
  72
  73 #ifdef HAVE_SYS_PARAM_H
  74 #include <sys/param.h>
  75 #endif
  76 #include <time.h>
  77 #ifdef HAVE_SYS_TIME_H
  78 #include <sys/time.h>
  79 #endif
  80 #ifdef HAVE_SYS_SELECT_H
  81 #include <sys/select.h>
  82 #endif
  83 #ifdef HAVE_SYS_SOCKET_H
  84 #include <sys/socket.h>
  85 #endif
  86 #ifdef HAVE_NETINET_IN_H
  87 #include <netinet/in.h>
  88 #endif
  89 #ifdef HAVE_NETINET_IN6_H
  90 #include <netinet/in6.h>
  91 #endif
  92 #ifdef HAVE_NETINET6_IN6_H
  93 #include <netinet6/in6.h>
  94 #endif
  95 #ifdef HAVE_NETDB_H
  96 #include <netdb.h>
  97 #endif
  98 #ifdef _AIX
  99 struct ether_addr;
 100 struct mbuf;
 101 struct sockaddr_dl;
 102 #endif
 103 #ifdef HAVE_ARPA_INET_H
 104 #include <arpa/inet.h>
 105 #endif
 106 #ifdef HAVE_ARPA_NAMESER_H
 107 #include <arpa/nameser.h>
 108 #endif
 109 #ifdef HAVE_SYS_UIO_H
 110 #include <sys/uio.h>
 111 #endif
 112 #ifdef HAVE_SYS_FILIO_H
 113 #include <sys/filio.h>
 114 #endif
 115 #ifdef HAVE_SYS_FILE_H
 116 #include <sys/file.h>
 117 #endif
 118
 119 #ifdef HAVE_CRYPT_H
 120 #undef des_encrypt
 121 #define des_encrypt wingless_pigs_mostly_fail_to_fly
 122 #include <crypt.h>
 123 #undef des_encrypt
 124 #endif
 125
 126 #ifdef HAVE_DOOR_CREATE
 127 #include <door.h>
 128 #endif
 129
 130 #include <roken.h>
 131 #include <parse_time.h>
 132 #include <base64.h>
 133
 134 #include "crypto-headers.h"
 135
 136
 137 #include <krb5_asn1.h>
 138
 139 struct send_to_kdc;
 140
 141 /* XXX glue for pkinit */
 142 struct krb5_pk_identity;
 143 struct krb5_pk_cert;
 144 struct ContentInfo;
 145 struct AlgorithmIdentifier;
 146 typedef struct krb5_pk_init_ctx_data *krb5_pk_init_ctx;
 147 struct krb5_dh_moduli;
 148
 149 /* v4 glue */
 150 struct _krb5_krb_auth_data;
 151
 152 #include <der.h>
 153
 154 #include <krb5.h>
 155 #include <krb5_err.h>
 156 #include <asn1_err.h>
 157 #ifdef PKINIT
 158 #include <hx509.h>
 159 #endif
 160 #include <krb5-private.h>
 161
 162 #include "heim_threads.h"
 163
 164 #define ALLOC(X, N) (X) = calloc((N), sizeof(*(X)))
 165 #define ALLOC_SEQ(X, N) do { (X)->len = (N); ALLOC((X)->val, (N)); } while(0)
 166
 167 /* should this be public? */
 168 #define KEYTAB_DEFAULT "ANY:FILE:" SYSCONFDIR "/krb5.keytab,krb4:" SYSCONFDIR "/srvtab"
 169 #define KEYTAB_DEFAULT_MODIFY "FILE:" SYSCONFDIR "/krb5.keytab"
 170
 171 #define MODULI_FILE SYSCONFDIR "/krb5.moduli"
 172
 173 #ifndef O_BINARY
 174 #define O_BINARY 0
 175 #endif
 176
 177 #define KRB5_BUFSIZ 1024
 178
 179 typedef enum {
 180     KRB5_INIT_CREDS_TRISTATE_UNSET = 0,
 181     KRB5_INIT_CREDS_TRISTATE_TRUE,
 182     KRB5_INIT_CREDS_TRISTATE_FALSE
 183 } krb5_get_init_creds_tristate;
 184
 185 struct _krb5_get_init_creds_opt_private {
 186     int refcount;
 187     /* ENC_TIMESTAMP */
 188     const char *password;
 189     krb5_s2k_proc key_proc;
 190     /* PA_PAC_REQUEST */
 191     krb5_get_init_creds_tristate req_pac;
 192     /* PKINIT */
 193     krb5_pk_init_ctx pk_init_ctx;
 194     KRB_ERROR *error;
 195     krb5_get_init_creds_tristate addressless;
 196     int flags;
 197 #define KRB5_INIT_CREDS_CANONICALIZE            1
 198 #define KRB5_INIT_CREDS_NO_C_CANON_CHECK        2
 199 };
 200
 201 typedef struct krb5_context_data {
 202     krb5_enctype *etypes;
 203     krb5_enctype *etypes_des;
 204     char **default_realms;
 205     time_t max_skew;
 206     time_t kdc_timeout;
 207     unsigned max_retries;
 208     int32_t kdc_sec_offset;
 209     int32_t kdc_usec_offset;
 210     krb5_config_section *cf;
 211     struct et_list *et_list;
 212     struct krb5_log_facility *warn_dest;
 213     krb5_cc_ops *cc_ops;
 214     int num_cc_ops;
 215     const char *http_proxy;
 216     const char *time_fmt;
 217     krb5_boolean log_utc;
 218     const char *default_keytab;
 219     const char *default_keytab_modify;
 220     krb5_boolean use_admin_kdc;
 221     krb5_addresses *extra_addresses;
 222     krb5_boolean scan_interfaces;       /* `ifconfig -a' */
 223     krb5_boolean srv_lookup;            /* do SRV lookups */
 224     krb5_boolean srv_try_txt;           /* try TXT records also */
 225     int32_t fcache_vno;                 /* create cache files w/ this
 226                                            version */
 227     int num_kt_types;                   /* # of registered keytab types */
 228     struct krb5_keytab_data *kt_types;  /* registered keytab types */
 229     const char *date_fmt;
 230     char *error_string;
 231     char error_buf[256];
 232     krb5_addresses *ignore_addresses;
 233     char *default_cc_name;
 234     char *default_cc_name_env;
 235     int default_cc_name_set;
 236     void *mutex;                        /* protects error_string/error_buf */
 237     int large_msg_size;
 238     int flags;
 239 #define KRB5_CTX_F_DNS_CANONICALIZE_HOSTNAME    1
 240 #define KRB5_CTX_F_CHECK_PAC                    2
 241     struct send_to_kdc *send_to_kdc;
 242 } krb5_context_data;
 243
 244 #define KRB5_DEFAULT_CCNAME_FILE "FILE:/tmp/krb5cc_%{uid}"
 245 #define KRB5_DEFAULT_CCNAME_API "API:"
 246 #define KRB5_DEFAULT_CCNAME_KCM "KCM:%{uid}"
 247
 248 #define EXTRACT_TICKET_ALLOW_CNAME_MISMATCH             1
 249 #define EXTRACT_TICKET_ALLOW_SERVER_MISMATCH            2
 250 #define EXTRACT_TICKET_MATCH_REALM                      4
 251 #define EXTRACT_TICKET_AS_REQ                           8
 252
 253 /*
 254  * Configurable options
 255  */
 256
 257 #ifndef KRB5_DEFAULT_CCTYPE
 258 #ifdef __APPLE__
 259 #define KRB5_DEFAULT_CCTYPE (&krb5_acc_ops)
 260 #else
 261 #define KRB5_DEFAULT_CCTYPE (&krb5_fcc_ops)
 262 #endif
 263 #endif
 264
 265 #ifndef KRB5_ADDRESSLESS_DEFAULT
 266 #define KRB5_ADDRESSLESS_DEFAULT TRUE
 267 #endif
 268
 269 #ifdef PKINIT
 270
 271 struct krb5_pk_identity {
 272     hx509_context hx509ctx;
 273     hx509_verify_ctx verify_ctx;
 274     hx509_certs certs;
 275     hx509_certs anchors;
 276     hx509_certs certpool;
 277     hx509_revoke_ctx revokectx;
 278 };
 279
 280 enum krb5_pk_type {
 281     PKINIT_WIN2K = 1,
 282     PKINIT_27 = 2
 283 };
 284
 285 #endif /* PKINIT */
 286
 287 #endif /* __KRB5_LOCL_H__ */