third_party/heimdal/lib/base/heimbase.h

   1 /*
   2  * Copyright (c) 2010 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #ifndef HEIM_BASE_H
  37 #define HEIM_BASE_H 1
  38
  39 #include <sys/types.h>
  40 #ifndef _WIN32
  41 #include <sys/socket.h>
  42 #endif
  43 #if !defined(WIN32) && !defined(HAVE_DISPATCH_DISPATCH_H) && defined(ENABLE_PTHREAD_SUPPORT)
  44 #include <pthread.h>
  45 #endif
  46 #include <krb5-types.h>
  47 #include <stdarg.h>
  48 #ifdef _WIN32
  49 #include <winsock2.h>
  50 #endif
  51 #ifdef HAVE_STDBOOL_H
  52 #include <stdbool.h>
  53 #else
  54 #ifndef false
  55 #define false 0
  56 #endif
  57 #ifndef true
  58 #define true 1
  59 #endif
  60 #endif
  61
  62 #include <stdint.h>
  63
  64 #include <heim_err.h>
  65
  66 #ifdef _WIN32
  67 #define HEIM_CALLCONV __stdcall
  68 #define HEIM_LIB_CALL __stdcall
  69 #else
  70 #define HEIM_CALLCONV
  71 #define HEIM_LIB_CALL
  72 #endif
  73
  74 #if !defined(__GNUC__) && !defined(__attribute__)
  75 #define __attribute__(x)
  76 #endif
  77
  78 #define HEIM_BASE_API_VERSION 20130210
  79
  80 /*
  81  * Generic facilities (moved from lib/krb5/.
  82  */
  83
  84 typedef int32_t heim_error_code;
  85 typedef struct heim_context_s *heim_context;
  86 typedef struct heim_pcontext_s *heim_pcontext;
  87
  88 typedef void (HEIM_CALLCONV *heim_log_log_func_t)(heim_context,
  89                                                   const char *,
  90                                                   const char *,
  91                                                   void *);
  92 typedef void (HEIM_CALLCONV *heim_log_close_func_t)(void *);
  93
  94 typedef struct heim_log_facility_s heim_log_facility;
  95
  96 typedef uintptr_t
  97 (HEIM_LIB_CALL *heim_get_instance_func_t)(const char *);
  98
  99 #define HEIM_PLUGIN_INVOKE_ALL 1
 100
 101 struct heim_plugin_data {
 102     const char *module;
 103     const char *name;
 104     int min_version;
 105     const char *const *deps;
 106     heim_get_instance_func_t get_instance;
 107 };
 108
 109 /*
 110  * heim_config_binding is identical to struct krb5_config_binding
 111  * within krb5.h.  Its format is public and used by callers of
 112  * krb5_config_get_list() and krb5_config_vget_list().
 113  */
 114 enum heim_config_type {
 115     heim_config_string,
 116     heim_config_list,
 117 };
 118 struct heim_config_binding {
 119     enum heim_config_type type;
 120     char *name;
 121     struct heim_config_binding *next;
 122     union {
 123         char *string;
 124         struct heim_config_binding *list;
 125         void *generic;
 126     } u;
 127 };
 128 typedef struct heim_config_binding heim_config_binding;
 129 typedef struct heim_config_binding heim_config_section;
 130
 131 /*
 132  * CF-like, JSON APIs
 133  */
 134
 135 typedef enum heim_tid_enum {
 136     HEIM_TID_NUMBER = 0,
 137     HEIM_TID_NULL = 1,
 138     HEIM_TID_BOOL = 2,
 139     HEIM_TID_TAGGED_UNUSED2 = 3, /* reserved for tagged object types */
 140     HEIM_TID_TAGGED_UNUSED3 = 4, /* reserved for tagged object types */
 141     HEIM_TID_TAGGED_UNUSED4 = 5, /* reserved for tagged object types */
 142     HEIM_TID_TAGGED_UNUSED5 = 6, /* reserved for tagged object types */
 143     HEIM_TID_TAGGED_UNUSED6 = 7, /* reserved for tagged object types */
 144     HEIM_TID_MEMORY = 128,
 145     HEIM_TID_ARRAY = 129,
 146     HEIM_TID_DICT = 130,
 147     HEIM_TID_STRING = 131,
 148     HEIM_TID_AUTORELEASE = 132,
 149     HEIM_TID_ERROR = 133,
 150     HEIM_TID_DATA = 134,
 151     HEIM_TID_DB = 135,
 152     HEIM_TID_PA_AUTH_MECH = 136,
 153     HEIM_TID_PAC = 137,
 154     HEIM_TID_USER = 255
 155 } heim_tid;
 156
 157 typedef void * heim_object_t;
 158 typedef unsigned int heim_tid_t;
 159 typedef heim_object_t heim_bool_t;
 160 typedef heim_object_t heim_null_t;
 161 #ifdef WIN32
 162 typedef LONG heim_base_once_t;
 163 #define HEIM_BASE_ONCE_INIT 0
 164 #elif defined(HAVE_DISPATCH_DISPATCH_H)
 165 typedef long heim_base_once_t; /* XXX arch dependant */
 166 #define HEIM_BASE_ONCE_INIT 0
 167 #elif defined(ENABLE_PTHREAD_SUPPORT)
 168 typedef pthread_once_t heim_base_once_t;
 169 #define HEIM_BASE_ONCE_INIT PTHREAD_ONCE_INIT
 170 #else
 171 typedef long heim_base_once_t; /* XXX arch dependant */
 172 #define HEIM_BASE_ONCE_INIT 0
 173 #endif
 174
 175 #if !defined(__has_extension)
 176 #define __has_extension(x) 0
 177 #endif
 178
 179 #define HEIM_REQUIRE_GNUC(m,n,p) \
 180     (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__) >= \
 181      (((m) * 10000) + ((n) * 100) + (p)))
 182
 183
 184 #if __has_extension(__builtin_expect) || HEIM_REQUIRE_GNUC(3,0,0)
 185 #define heim_builtin_expect(_op,_res) __builtin_expect(_op,_res)
 186 #else
 187 #define heim_builtin_expect(_op,_res) (_op)
 188 #endif
 189
 190
 191 typedef void (HEIM_CALLCONV *heim_type_dealloc)(void *);
 192
 193 #define heim_assert(e,t) \
 194     (heim_builtin_expect(!(e), 0) ? heim_abort(t ":" #e) : (void)0)
 195
 196 /*
 197  *
 198  */
 199
 200 /*
 201  * Array
 202  */
 203
 204 typedef struct heim_array_data *heim_array_t;
 205
 206 typedef void (*heim_array_iterator_f_t)(heim_object_t, void *, int *);
 207 typedef int (*heim_array_filter_f_t)(heim_object_t, void *);
 208
 209 /*
 210  * Dict
 211  */
 212
 213 typedef struct heim_dict_data *heim_dict_t;
 214
 215 typedef void (*heim_dict_iterator_f_t)(heim_object_t, heim_object_t, void *);
 216
 217 /*
 218  * String
 219  */
 220
 221 typedef struct heim_string_data *heim_string_t;
 222 typedef void (*heim_string_free_f_t)(void *);
 223
 224 #define HSTR(_str) (__heim_string_constant("" _str ""))
 225 heim_string_t __heim_string_constant(const char *);
 226
 227 /*
 228  * Errors
 229  */
 230
 231 typedef struct heim_error * heim_error_t;
 232
 233 /*
 234  * Path
 235  */
 236
 237 /*
 238  * Data (octet strings)
 239  */
 240
 241 #ifndef __HEIM_BASE_DATA__
 242 #define __HEIM_BASE_DATA__
 243 struct heim_base_data {
 244     size_t length;
 245     void *data;
 246 };
 247 typedef struct heim_base_data heim_octet_string;
 248 #endif
 249
 250 typedef struct heim_base_data * heim_data_t;
 251 typedef void (*heim_data_free_f_t)(void *);
 252
 253 /*
 254  * DB
 255  */
 256
 257 typedef struct heim_db_data *heim_db_t;
 258
 259 typedef void (*heim_db_iterator_f_t)(heim_data_t, heim_data_t, void *);
 260
 261 typedef int (*heim_db_plug_open_f_t)(void *, const char *, const char *,
 262                                      heim_dict_t, void **, heim_error_t *);
 263 typedef int (*heim_db_plug_clone_f_t)(void *, void **, heim_error_t *);
 264 typedef int (*heim_db_plug_close_f_t)(void *, heim_error_t *);
 265 typedef int (*heim_db_plug_lock_f_t)(void *, int, heim_error_t *);
 266 typedef int (*heim_db_plug_unlock_f_t)(void *, heim_error_t *);
 267 typedef int (*heim_db_plug_sync_f_t)(void *, heim_error_t *);
 268 typedef int (*heim_db_plug_begin_f_t)(void *, int, heim_error_t *);
 269 typedef int (*heim_db_plug_commit_f_t)(void *, heim_error_t *);
 270 typedef int (*heim_db_plug_rollback_f_t)(void *, heim_error_t *);
 271 typedef heim_data_t (*heim_db_plug_copy_value_f_t)(void *, heim_string_t,
 272                                                    heim_data_t,
 273                                                    heim_error_t *);
 274 typedef int (*heim_db_plug_set_value_f_t)(void *, heim_string_t, heim_data_t,
 275                                           heim_data_t, heim_error_t *);
 276 typedef int (*heim_db_plug_del_key_f_t)(void *, heim_string_t, heim_data_t,
 277                                         heim_error_t *);
 278 typedef void (*heim_db_plug_iter_f_t)(void *, heim_string_t, void *,
 279                                       heim_db_iterator_f_t, heim_error_t *);
 280
 281 struct heim_db_type {
 282     int                         version;
 283     heim_db_plug_open_f_t       openf;
 284     heim_db_plug_clone_f_t      clonef;
 285     heim_db_plug_close_f_t      closef;
 286     heim_db_plug_lock_f_t       lockf;
 287     heim_db_plug_unlock_f_t     unlockf;
 288     heim_db_plug_sync_f_t       syncf;
 289     heim_db_plug_begin_f_t      beginf;
 290     heim_db_plug_commit_f_t     commitf;
 291     heim_db_plug_rollback_f_t   rollbackf;
 292     heim_db_plug_copy_value_f_t copyf;
 293     heim_db_plug_set_value_f_t  setf;
 294     heim_db_plug_del_key_f_t    delf;
 295     heim_db_plug_iter_f_t       iterf;
 296 };
 297
 298 extern struct heim_db_type heim_sorted_text_file_dbtype;
 299
 300 #define HEIM_DB_TYPE_VERSION_01 1
 301
 302 /*
 303  * Number
 304  */
 305
 306 typedef struct heim_number_data *heim_number_t;
 307
 308 /*
 309  * Autorelease
 310  */
 311
 312 typedef struct heim_auto_release * heim_auto_release_t;
 313
 314 /*
 315  * JSON
 316  */
 317 typedef enum heim_json_flags {
 318         HEIM_JSON_F_NO_C_NULL = 1,
 319         HEIM_JSON_F_STRICT_STRINGS = 2,
 320         HEIM_JSON_F_NO_DATA = 4,
 321         HEIM_JSON_F_NO_DATA_DICT = 8,
 322         HEIM_JSON_F_STRICT_DICT = 16,
 323         HEIM_JSON_F_STRICT = 31,
 324         HEIM_JSON_F_CNULL2JSNULL = 32,
 325         HEIM_JSON_F_TRY_DECODE_DATA = 64,
 326         HEIM_JSON_F_ONE_LINE = 128,
 327         HEIM_JSON_F_ESCAPE_NON_ASCII = 256,
 328         HEIM_JSON_F_NO_ESCAPE_NON_ASCII = 512,
 329         /* The default is to indent with one tab */
 330         HEIM_JSON_F_INDENT2 = 1024,
 331         HEIM_JSON_F_INDENT4 = 2048,
 332         HEIM_JSON_F_INDENT8 = 4096,
 333 } heim_json_flags_t;
 334
 335 /*
 336  * Debug
 337  */
 338
 339 /*
 340  * Binary search.
 341  *
 342  * Note: these are private until integrated into the heimbase object system.
 343  */
 344 typedef struct bsearch_file_handle *bsearch_file_handle;
 345 int _bsearch_text(const char *buf, size_t buf_sz, const char *key,
 346                    char **value, size_t *location, size_t *loops);
 347 int _bsearch_file_open(const char *fname, size_t max_sz, size_t page_sz,
 348                         bsearch_file_handle *bfh, size_t *reads);
 349 int _bsearch_file(bsearch_file_handle bfh, const char *key, char **value,
 350                    size_t *location, size_t *loops, size_t *reads);
 351 void _bsearch_file_info(bsearch_file_handle bfh, size_t *page_sz,
 352                          size_t *max_sz, int *blockwise);
 353 void _bsearch_file_close(bsearch_file_handle *bfh);
 354
 355 /*
 356  * Thread-specific keys
 357  */
 358
 359 #include <heim_threads.h>
 360 #include <com_err.h>
 361
 362 /*
 363  * Service logging facility (moved from kdc/).
 364  */
 365
 366 #define HEIM_SVC_AUDIT_EATWHITE      0x1
 367 #define HEIM_SVC_AUDIT_VIS           0x2
 368 #define HEIM_SVC_AUDIT_VISLAST       0x4
 369
 370 typedef struct heim_svc_req_desc_common_s *heim_svc_req_desc;
 371
 372 #include <heimbase-protos.h>
 373
 374 #endif /* HEIM_BASE_H */