1 /* $NetBSD: ldap_pvt.h,v 1.1.1.6 2018/02/06 01:53:05 christos Exp $ */ 2 3 /* $OpenLDAP$ */ 4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 5 * 6 * Copyright 1998-2017 The OpenLDAP Foundation. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted only as authorized by the OpenLDAP 11 * Public License. 12 * 13 * A copy of this license is available in file LICENSE in the 14 * top-level directory of the distribution or, alternatively, at 15 * <http://www.OpenLDAP.org/license.html>. 16 */ 17 18 /* ldap-pvt.h - Header for ldap_pvt_ functions. 19 * These are meant to be internal to OpenLDAP Software. 20 */ 21 22 #ifndef _LDAP_PVT_H 23 #define _LDAP_PVT_H 1 24 25 #include <lber.h> /* get ber_slen_t */ 26 #include <lber_pvt.h> /* get Sockbuf_Buf */ 27 28 LDAP_BEGIN_DECL 29 30 #define LDAP_PROTO_TCP 1 /* ldap:// */ 31 #define LDAP_PROTO_UDP 2 /* reserved */ 32 #define LDAP_PROTO_IPC 3 /* ldapi:// */ 33 #define LDAP_PROTO_EXT 4 /* user-defined socket/sockbuf */ 34 35 LDAP_F ( int ) 36 ldap_pvt_url_scheme2proto LDAP_P(( 37 const char * )); 38 LDAP_F ( int ) 39 ldap_pvt_url_scheme2tls LDAP_P(( 40 const char * )); 41 42 LDAP_F ( int ) 43 ldap_pvt_url_scheme_port LDAP_P(( 44 const char *, int )); 45 46 struct ldap_url_desc; /* avoid pulling in <ldap.h> */ 47 48 #define LDAP_PVT_URL_PARSE_NONE (0x00U) 49 #define LDAP_PVT_URL_PARSE_NOEMPTY_HOST (0x01U) 50 #define LDAP_PVT_URL_PARSE_DEF_PORT (0x02U) 51 #define LDAP_PVT_URL_PARSE_NOEMPTY_DN (0x04U) 52 #define LDAP_PVT_URL_PARSE_NODEF_SCOPE (0x08U) 53 #define LDAP_PVT_URL_PARSE_HISTORIC (LDAP_PVT_URL_PARSE_NODEF_SCOPE | \ 54 LDAP_PVT_URL_PARSE_NOEMPTY_HOST | \ 55 LDAP_PVT_URL_PARSE_DEF_PORT) 56 57 LDAP_F( int ) 58 ldap_url_parse_ext LDAP_P(( 59 LDAP_CONST char *url, 60 struct ldap_url_desc **ludpp, 61 unsigned flags )); 62 63 LDAP_F (int) ldap_url_parselist LDAP_P(( /* deprecated, use ldap_url_parselist_ext() */ 64 struct ldap_url_desc **ludlist, 65 const char *url )); 66 67 LDAP_F (int) ldap_url_parselist_ext LDAP_P(( 68 struct ldap_url_desc **ludlist, 69 const char *url, 70 const char *sep, 71 unsigned flags )); 72 73 LDAP_F (char *) ldap_url_list2urls LDAP_P(( 74 struct ldap_url_desc *ludlist )); 75 76 LDAP_F (void) ldap_free_urllist LDAP_P(( 77 struct ldap_url_desc *ludlist )); 78 79 LDAP_F (int) ldap_pvt_scope2bv LDAP_P (( 80 int scope, struct berval *bv )); 81 82 LDAP_F (LDAP_CONST char *) ldap_pvt_scope2str LDAP_P (( 83 int scope )); 84 85 LDAP_F (int) ldap_pvt_bv2scope LDAP_P (( 86 struct berval *bv )); 87 88 LDAP_F (int) ldap_pvt_str2scope LDAP_P (( 89 LDAP_CONST char * )); 90 91 LDAP_F( char * ) 92 ldap_pvt_ctime LDAP_P(( 93 const time_t *tp, 94 char *buf )); 95 96 # if defined( HAVE_GMTIME_R ) 97 # define USE_GMTIME_R 98 # define ldap_pvt_gmtime(timep, result) gmtime_r((timep), (result)) 99 # else 100 LDAP_F( struct tm * ) 101 ldap_pvt_gmtime LDAP_P(( 102 LDAP_CONST time_t *timep, 103 struct tm *result )); 104 #endif 105 106 # if defined( HAVE_LOCALTIME_R ) 107 # define USE_LOCALTIME_R 108 # define ldap_pvt_localtime(timep, result) localtime_r((timep), (result)) 109 # else 110 LDAP_F( struct tm * ) 111 ldap_pvt_localtime LDAP_P(( 112 LDAP_CONST time_t *timep, 113 struct tm *result )); 114 # endif 115 116 #if defined( USE_GMTIME_R ) && defined( USE_LOCALTIME_R ) 117 # define ldap_pvt_gmtime_lock() (0) 118 # define ldap_pvt_gmtime_unlock() (0) 119 #else 120 LDAP_F( int ) 121 ldap_pvt_gmtime_lock LDAP_P(( void )); 122 123 LDAP_F( int ) 124 ldap_pvt_gmtime_unlock LDAP_P(( void )); 125 #endif /* USE_GMTIME_R && USE_LOCALTIME_R */ 126 127 /* Get current time as a structured time */ 128 struct lutil_tm; 129 LDAP_F( void ) 130 ldap_pvt_gettime LDAP_P(( struct lutil_tm * )); 131 132 #ifdef _WIN32 133 #define gettimeofday(tv,tz) ldap_pvt_gettimeofday(tv,tz) 134 struct timeval; 135 LDAP_F( int ) 136 ldap_pvt_gettimeofday LDAP_P(( struct timeval *tv, void *unused )); 137 #endif 138 139 /* use this macro to allocate buffer for ldap_pvt_csnstr */ 140 #define LDAP_PVT_CSNSTR_BUFSIZE 64 141 LDAP_F( size_t ) 142 ldap_pvt_csnstr( char *buf, size_t len, unsigned int replica, unsigned int mod ); 143 144 LDAP_F( char *) ldap_pvt_get_fqdn LDAP_P(( char * )); 145 146 struct hostent; /* avoid pulling in <netdb.h> */ 147 148 LDAP_F( int ) 149 ldap_pvt_gethostbyname_a LDAP_P(( 150 const char *name, 151 struct hostent *resbuf, 152 char **buf, 153 struct hostent **result, 154 int *herrno_ptr )); 155 156 LDAP_F( int ) 157 ldap_pvt_gethostbyaddr_a LDAP_P(( 158 const char *addr, 159 int len, 160 int type, 161 struct hostent *resbuf, 162 char **buf, 163 struct hostent **result, 164 int *herrno_ptr )); 165 166 struct sockaddr; 167 168 LDAP_F( int ) 169 ldap_pvt_get_hname LDAP_P(( 170 const struct sockaddr * sa, 171 int salen, 172 char *name, 173 int namelen, 174 char **herr )); 175 176 177 /* charray.c */ 178 179 LDAP_F( int ) 180 ldap_charray_add LDAP_P(( 181 char ***a, 182 const char *s )); 183 184 LDAP_F( int ) 185 ldap_charray_merge LDAP_P(( 186 char ***a, 187 char **s )); 188 189 LDAP_F( void ) 190 ldap_charray_free LDAP_P(( char **a )); 191 192 LDAP_F( int ) 193 ldap_charray_inlist LDAP_P(( 194 char **a, 195 const char *s )); 196 197 LDAP_F( char ** ) 198 ldap_charray_dup LDAP_P(( char **a )); 199 200 LDAP_F( char ** ) 201 ldap_str2charray LDAP_P(( 202 const char *str, 203 const char *brkstr )); 204 205 LDAP_F( char * ) 206 ldap_charray2str LDAP_P(( 207 char **array, const char* sep )); 208 209 /* getdn.c */ 210 211 #ifdef LDAP_AVA_NULL /* in ldap.h */ 212 LDAP_F( void ) ldap_rdnfree_x LDAP_P(( LDAPRDN rdn, void *ctx )); 213 LDAP_F( void ) ldap_dnfree_x LDAP_P(( LDAPDN dn, void *ctx )); 214 215 LDAP_F( int ) ldap_bv2dn_x LDAP_P(( 216 struct berval *bv, LDAPDN *dn, unsigned flags, void *ctx )); 217 LDAP_F( int ) ldap_dn2bv_x LDAP_P(( 218 LDAPDN dn, struct berval *bv, unsigned flags, void *ctx )); 219 LDAP_F( int ) ldap_bv2rdn_x LDAP_P(( 220 struct berval *, LDAPRDN *, char **, unsigned flags, void *ctx )); 221 LDAP_F( int ) ldap_rdn2bv_x LDAP_P(( 222 LDAPRDN rdn, struct berval *bv, unsigned flags, void *ctx )); 223 #endif /* LDAP_AVA_NULL */ 224 225 /* url.c */ 226 LDAP_F (void) ldap_pvt_hex_unescape LDAP_P(( char *s )); 227 228 /* 229 * these macros assume 'x' is an ASCII x 230 * and assume the "C" locale 231 */ 232 #define LDAP_ASCII(c) (!((c) & 0x80)) 233 #define LDAP_SPACE(c) ((c) == ' ' || (c) == '\t' || (c) == '\n') 234 #define LDAP_DIGIT(c) ((c) >= '0' && (c) <= '9') 235 #define LDAP_LOWER(c) ((c) >= 'a' && (c) <= 'z') 236 #define LDAP_UPPER(c) ((c) >= 'A' && (c) <= 'Z') 237 #define LDAP_ALPHA(c) (LDAP_LOWER(c) || LDAP_UPPER(c)) 238 #define LDAP_ALNUM(c) (LDAP_ALPHA(c) || LDAP_DIGIT(c)) 239 240 #define LDAP_LDH(c) (LDAP_ALNUM(c) || (c) == '-') 241 242 #define LDAP_HEXLOWER(c) ((c) >= 'a' && (c) <= 'f') 243 #define LDAP_HEXUPPER(c) ((c) >= 'A' && (c) <= 'F') 244 #define LDAP_HEX(c) (LDAP_DIGIT(c) || \ 245 LDAP_HEXLOWER(c) || LDAP_HEXUPPER(c)) 246 247 /* controls.c */ 248 struct ldapcontrol; 249 LDAP_F (int) 250 ldap_pvt_put_control LDAP_P(( 251 const struct ldapcontrol *c, 252 BerElement *ber )); 253 LDAP_F (int) ldap_pvt_get_controls LDAP_P(( 254 BerElement *be, 255 struct ldapcontrol ***ctrlsp)); 256 257 #ifdef HAVE_CYRUS_SASL 258 /* cyrus.c */ 259 struct sasl_security_properties; /* avoid pulling in <sasl.h> */ 260 LDAP_F (int) ldap_pvt_sasl_secprops LDAP_P(( 261 const char *in, 262 struct sasl_security_properties *secprops )); 263 LDAP_F (void) ldap_pvt_sasl_secprops_unparse LDAP_P(( 264 struct sasl_security_properties *secprops, 265 struct berval *out )); 266 267 LDAP_F (void *) ldap_pvt_sasl_mutex_new LDAP_P((void)); 268 LDAP_F (int) ldap_pvt_sasl_mutex_lock LDAP_P((void *mutex)); 269 LDAP_F (int) ldap_pvt_sasl_mutex_unlock LDAP_P((void *mutex)); 270 LDAP_F (void) ldap_pvt_sasl_mutex_dispose LDAP_P((void *mutex)); 271 #endif /* HAVE_CYRUS_SASL */ 272 273 struct sockbuf; /* avoid pulling in <lber.h> */ 274 LDAP_F (int) ldap_pvt_sasl_install LDAP_P(( struct sockbuf *, void * )); 275 LDAP_F (void) ldap_pvt_sasl_remove LDAP_P(( struct sockbuf * )); 276 277 /* 278 * SASL encryption support for LBER Sockbufs 279 */ 280 281 struct sb_sasl_generic_data; 282 283 struct sb_sasl_generic_ops { 284 void (*init)(struct sb_sasl_generic_data *p, 285 ber_len_t *min_send, 286 ber_len_t *max_send, 287 ber_len_t *max_recv); 288 ber_int_t (*encode)(struct sb_sasl_generic_data *p, 289 unsigned char *buf, 290 ber_len_t len, 291 Sockbuf_Buf *dst); 292 ber_int_t (*decode)(struct sb_sasl_generic_data *p, 293 const Sockbuf_Buf *src, 294 Sockbuf_Buf *dst); 295 void (*reset_buf)(struct sb_sasl_generic_data *p, 296 Sockbuf_Buf *buf); 297 void (*fini)(struct sb_sasl_generic_data *p); 298 }; 299 300 struct sb_sasl_generic_install { 301 const struct sb_sasl_generic_ops *ops; 302 void *ops_private; 303 }; 304 305 struct sb_sasl_generic_data { 306 const struct sb_sasl_generic_ops *ops; 307 void *ops_private; 308 Sockbuf_IO_Desc *sbiod; 309 ber_len_t min_send; 310 ber_len_t max_send; 311 ber_len_t max_recv; 312 Sockbuf_Buf sec_buf_in; 313 Sockbuf_Buf buf_in; 314 Sockbuf_Buf buf_out; 315 unsigned int flags; 316 #define LDAP_PVT_SASL_PARTIAL_WRITE 1 317 }; 318 319 #ifndef LDAP_PVT_SASL_LOCAL_SSF 320 #define LDAP_PVT_SASL_LOCAL_SSF 71 /* SSF for Unix Domain Sockets */ 321 #endif /* ! LDAP_PVT_SASL_LOCAL_SSF */ 322 323 struct ldap; 324 struct ldapmsg; 325 326 /* abandon */ 327 LDAP_F ( int ) ldap_pvt_discard LDAP_P(( 328 struct ldap *ld, ber_int_t msgid )); 329 330 /* messages.c */ 331 LDAP_F( BerElement * ) 332 ldap_get_message_ber LDAP_P(( 333 struct ldapmsg * )); 334 335 /* open */ 336 LDAP_F (int) ldap_open_internal_connection LDAP_P(( 337 struct ldap **ldp, ber_socket_t *fdp )); 338 LDAP_F (int) ldap_init_fd LDAP_P(( 339 ber_socket_t fd, int proto, LDAP_CONST char *url, struct ldap **ldp )); 340 341 /* sasl.c */ 342 LDAP_F (int) ldap_pvt_sasl_generic_install LDAP_P(( Sockbuf *sb, 343 struct sb_sasl_generic_install *install_arg )); 344 LDAP_F (void) ldap_pvt_sasl_generic_remove LDAP_P(( Sockbuf *sb )); 345 346 /* search.c */ 347 LDAP_F( int ) ldap_pvt_put_filter LDAP_P(( 348 BerElement *ber, 349 const char *str )); 350 351 LDAP_F( char * ) 352 ldap_pvt_find_wildcard LDAP_P(( const char *s )); 353 354 LDAP_F( ber_slen_t ) 355 ldap_pvt_filter_value_unescape LDAP_P(( char *filter )); 356 357 LDAP_F( ber_len_t ) 358 ldap_bv2escaped_filter_value_len LDAP_P(( struct berval *in )); 359 360 LDAP_F( int ) 361 ldap_bv2escaped_filter_value_x LDAP_P(( struct berval *in, struct berval *out, 362 int inplace, void *ctx )); 363 364 LDAP_F (int) ldap_pvt_search LDAP_P(( 365 struct ldap *ld, 366 LDAP_CONST char *base, 367 int scope, 368 LDAP_CONST char *filter, 369 char **attrs, 370 int attrsonly, 371 struct ldapcontrol **sctrls, 372 struct ldapcontrol **cctrls, 373 struct timeval *timeout, 374 int sizelimit, 375 int deref, 376 int *msgidp )); 377 378 LDAP_F(int) ldap_pvt_search_s LDAP_P(( 379 struct ldap *ld, 380 LDAP_CONST char *base, 381 int scope, 382 LDAP_CONST char *filter, 383 char **attrs, 384 int attrsonly, 385 struct ldapcontrol **sctrls, 386 struct ldapcontrol **cctrls, 387 struct timeval *timeout, 388 int sizelimit, 389 int deref, 390 struct ldapmsg **res )); 391 392 /* string.c */ 393 LDAP_F( char * ) 394 ldap_pvt_str2upper LDAP_P(( char *str )); 395 396 LDAP_F( char * ) 397 ldap_pvt_str2lower LDAP_P(( char *str )); 398 399 LDAP_F( struct berval * ) 400 ldap_pvt_str2upperbv LDAP_P(( char *str, struct berval *bv )); 401 402 LDAP_F( struct berval * ) 403 ldap_pvt_str2lowerbv LDAP_P(( char *str, struct berval *bv )); 404 405 /* tls.c */ 406 LDAP_F (int) ldap_int_tls_config LDAP_P(( struct ldap *ld, 407 int option, const char *arg )); 408 LDAP_F (int) ldap_pvt_tls_get_option LDAP_P(( struct ldap *ld, 409 int option, void *arg )); 410 LDAP_F (int) ldap_pvt_tls_set_option LDAP_P(( struct ldap *ld, 411 int option, void *arg )); 412 413 LDAP_F (void) ldap_pvt_tls_destroy LDAP_P(( void )); 414 LDAP_F (int) ldap_pvt_tls_init LDAP_P(( void )); 415 LDAP_F (int) ldap_pvt_tls_init_def_ctx LDAP_P(( int is_server )); 416 LDAP_F (int) ldap_pvt_tls_accept LDAP_P(( Sockbuf *sb, void *ctx_arg )); 417 LDAP_F (int) ldap_pvt_tls_inplace LDAP_P(( Sockbuf *sb )); 418 LDAP_F (void *) ldap_pvt_tls_sb_ctx LDAP_P(( Sockbuf *sb )); 419 LDAP_F (void) ldap_pvt_tls_ctx_free LDAP_P(( void * )); 420 421 typedef int LDAPDN_rewrite_dummy LDAP_P (( void *dn, unsigned flags )); 422 423 typedef int (LDAP_TLS_CONNECT_CB) LDAP_P (( struct ldap *ld, void *ssl, 424 void *ctx, void *arg )); 425 426 LDAP_F (int) ldap_pvt_tls_get_my_dn LDAP_P(( void *ctx, struct berval *dn, 427 LDAPDN_rewrite_dummy *func, unsigned flags )); 428 LDAP_F (int) ldap_pvt_tls_get_peer_dn LDAP_P(( void *ctx, struct berval *dn, 429 LDAPDN_rewrite_dummy *func, unsigned flags )); 430 LDAP_F (int) ldap_pvt_tls_get_strength LDAP_P(( void *ctx )); 431 432 LDAP_END_DECL 433 434 /* 435 * Multiple precision stuff 436 * 437 * May use OpenSSL's BIGNUM if built with TLS, 438 * or GNU's multiple precision library. But if 439 * long long is available, that's big enough 440 * and much more efficient. 441 * 442 * If none is available, unsigned long data is used. 443 */ 444 445 LDAP_BEGIN_DECL 446 447 #ifdef USE_MP_BIGNUM 448 /* 449 * Use OpenSSL's BIGNUM 450 */ 451 #include <openssl/crypto.h> 452 #include <openssl/bn.h> 453 454 typedef BIGNUM* ldap_pvt_mp_t; 455 #define LDAP_PVT_MP_INIT (NULL) 456 457 #define ldap_pvt_mp_init(mp) \ 458 do { (mp) = BN_new(); } while (0) 459 460 /* FIXME: we rely on mpr being initialized */ 461 #define ldap_pvt_mp_init_set(mpr,mpv) \ 462 do { ldap_pvt_mp_init((mpr)); BN_add((mpr), (mpr), (mpv)); } while (0) 463 464 #define ldap_pvt_mp_add(mpr,mpv) \ 465 BN_add((mpr), (mpr), (mpv)) 466 467 #define ldap_pvt_mp_add_ulong(mp,v) \ 468 BN_add_word((mp), (v)) 469 470 #define ldap_pvt_mp_clear(mp) \ 471 do { BN_free((mp)); (mp) = 0; } while (0) 472 473 #elif defined(USE_MP_GMP) 474 /* 475 * Use GNU's multiple precision library 476 */ 477 #include <gmp.h> 478 479 typedef mpz_t ldap_pvt_mp_t; 480 #define LDAP_PVT_MP_INIT { 0 } 481 482 #define ldap_pvt_mp_init(mp) \ 483 mpz_init((mp)) 484 485 #define ldap_pvt_mp_init_set(mpr,mpv) \ 486 mpz_init_set((mpr), (mpv)) 487 488 #define ldap_pvt_mp_add(mpr,mpv) \ 489 mpz_add((mpr), (mpr), (mpv)) 490 491 #define ldap_pvt_mp_add_ulong(mp,v) \ 492 mpz_add_ui((mp), (mp), (v)) 493 494 #define ldap_pvt_mp_clear(mp) \ 495 mpz_clear((mp)) 496 497 #else 498 /* 499 * Use unsigned long long 500 */ 501 502 #ifdef USE_MP_LONG_LONG 503 typedef unsigned long long ldap_pvt_mp_t; 504 #define LDAP_PVT_MP_INIT (0LL) 505 #elif defined(USE_MP_LONG) 506 typedef unsigned long ldap_pvt_mp_t; 507 #define LDAP_PVT_MP_INIT (0L) 508 #elif defined(HAVE_LONG_LONG) 509 typedef unsigned long long ldap_pvt_mp_t; 510 #define LDAP_PVT_MP_INIT (0LL) 511 #else 512 typedef unsigned long ldap_pvt_mp_t; 513 #define LDAP_PVT_MP_INIT (0L) 514 #endif 515 516 #define ldap_pvt_mp_init(mp) \ 517 do { (mp) = 0; } while (0) 518 519 #define ldap_pvt_mp_init_set(mpr,mpv) \ 520 do { (mpr) = (mpv); } while (0) 521 522 #define ldap_pvt_mp_add(mpr,mpv) \ 523 do { (mpr) += (mpv); } while (0) 524 525 #define ldap_pvt_mp_add_ulong(mp,v) \ 526 do { (mp) += (v); } while (0) 527 528 #define ldap_pvt_mp_clear(mp) \ 529 do { (mp) = 0; } while (0) 530 531 #endif /* MP */ 532 533 #include "ldap_pvt_uc.h" 534 535 LDAP_END_DECL 536 537 LDAP_BEGIN_DECL 538 539 #include <limits.h> /* get CHAR_BIT */ 540 541 /* Buffer space for sign, decimal digits and \0. Note: log10(2) < 146/485. */ 542 #define LDAP_PVT_INTTYPE_CHARS(type) (((sizeof(type)*CHAR_BIT-1)*146)/485 + 3) 543 544 LDAP_END_DECL 545 546 #endif /* _LDAP_PVT_H */ 547