git.sur5r.net Git - openldap/blob - servers/slapd/aclparse.c

   1 /* aclparse.c - routines to parse and check acl's */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2004 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
  17  * All rights reserved.
  18  *
  19  * Redistribution and use in source and binary forms are permitted
  20  * provided that this notice is preserved and that due credit is given
  21  * to the University of Michigan at Ann Arbor. The name of the University
  22  * may not be used to endorse or promote products derived from this
  23  * software without specific prior written permission. This software
  24  * is provided ``as is'' without express or implied warranty.
  25  */
  26
  27 #include "portable.h"
  28
  29 #include <stdio.h>
  30
  31 #include <ac/ctype.h>
  32 #include <ac/regex.h>
  33 #include <ac/socket.h>
  34 #include <ac/string.h>
  35 #include <ac/unistd.h>
  36
  37 #include "slap.h"
  38 #include "lber_pvt.h"
  39 #include "lutil.h"
  40
  41 static char *style_strings[] = {
  42         "regex",
  43         "expand",
  44         "base",
  45         "one",
  46         "subtree",
  47         "children",
  48         "attrof",
  49         "ip",
  50         "path",
  51         NULL
  52 };
  53
  54 static void             split(char *line, int splitchar, char **left, char **right);
  55 static void             access_append(Access **l, Access *a);
  56 static void             acl_usage(void) LDAP_GCCATTR((noreturn));
  57
  58 static void             acl_regex_normalized_dn(const char *src, struct berval *pat);
  59
  60 #ifdef LDAP_DEBUG
  61 static void             print_acl(Backend *be, AccessControl *a);
  62 static void             print_access(Access *b);
  63 #endif
  64
  65 static void
  66 regtest(const char *fname, int lineno, char *pat) {
  67         int e;
  68         regex_t re;
  69
  70         char buf[512];
  71         unsigned size;
  72
  73         char *sp;
  74         char *dp;
  75         int  flag;
  76
  77         sp = pat;
  78         dp = buf;
  79         size = 0;
  80         buf[0] = '\0';
  81
  82         for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
  83                 if (flag) {
  84                         if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
  85                                 *dp++ = *sp;
  86                                 size++;
  87                         }
  88                         flag = 0;
  89
  90                 } else {
  91                         if (*sp == '$') {
  92                                 flag = 1;
  93                         } else {
  94                                 *dp++ = *sp;
  95                                 size++;
  96                         }
  97                 }
  98         }
  99
 100         *dp = '\0';
 101         if ( size >= (sizeof(buf)-1) ) {
 102                 fprintf( stderr,
 103                         "%s: line %d: regular expression \"%s\" too large\n",
 104                         fname, lineno, pat );
 105                 acl_usage();
 106         }
 107
 108         if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
 109                 char error[512];
 110                 regerror(e, &re, error, sizeof(error));
 111                 fprintf( stderr,
 112                         "%s: line %d: regular expression \"%s\" bad because of %s\n",
 113                         fname, lineno, pat, error );
 114                 acl_usage();
 115         }
 116         regfree(&re);
 117 }
 118
 119 void
 120 parse_acl(
 121     Backend     *be,
 122     const char  *fname,
 123     int         lineno,
 124     int         argc,
 125     char        **argv
 126 )
 127 {
 128         int             i;
 129         char            *left, *right, *style;
 130         struct berval   bv;
 131         AccessControl   *a;
 132         Access  *b;
 133         int rc;
 134         const char *text;
 135
 136         a = NULL;
 137         for ( i = 1; i < argc; i++ ) {
 138                 /* to clause - select which entries are protected */
 139                 if ( strcasecmp( argv[i], "to" ) == 0 ) {
 140                         if ( a != NULL ) {
 141                                 fprintf( stderr, "%s: line %d: "
 142                                         "only one to clause allowed in access line\n",
 143                                     fname, lineno );
 144                                 acl_usage();
 145                         }
 146                         a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
 147                         for ( ++i; i < argc; i++ ) {
 148                                 if ( strcasecmp( argv[i], "by" ) == 0 ) {
 149                                         i--;
 150                                         break;
 151                                 }
 152
 153                                 if ( strcasecmp( argv[i], "*" ) == 0 ) {
 154                                         if( a->acl_dn_pat.bv_len ||
 155                                                 ( a->acl_dn_style != ACL_STYLE_REGEX ) )
 156                                         {
 157                                                 fprintf( stderr,
 158                                                         "%s: line %d: dn pattern"
 159                                                         " already specified in to clause.\n",
 160                                                         fname, lineno );
 161                                                 acl_usage();
 162                                         }
 163
 164                                         a->acl_dn_pat.bv_val = ch_strdup( "*" );
 165                                         a->acl_dn_pat.bv_len = 1;
 166                                         continue;
 167                                 }
 168
 169                                 split( argv[i], '=', &left, &right );
 170                                 split( left, '.', &left, &style );
 171
 172                                 if ( right == NULL ) {
 173                                         fprintf( stderr, "%s: line %d: "
 174                                                 "missing \"=\" in \"%s\" in to clause\n",
 175                                             fname, lineno, left );
 176                                         acl_usage();
 177                                 }
 178
 179                                 if ( strcasecmp( left, "dn" ) == 0 ) {
 180                                         if( a->acl_dn_pat.bv_len != 0 ||
 181                                                 ( a->acl_dn_style != ACL_STYLE_REGEX ) )
 182                                         {
 183                                                 fprintf( stderr,
 184                                                         "%s: line %d: dn pattern"
 185                                                         " already specified in to clause.\n",
 186                                                         fname, lineno );
 187                                                 acl_usage();
 188                                         }
 189
 190                                         if ( style == NULL || *style == '\0' ||
 191                                                 ( strcasecmp( style, "base" ) == 0 ) ||
 192                                                 ( strcasecmp( style, "exact" ) == 0 ))
 193                                         {
 194                                                 a->acl_dn_style = ACL_STYLE_BASE;
 195                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 196
 197                                         } else if ( strcasecmp( style, "onelevel" ) == 0
 198                                                 || strcasecmp( style, "one" ) == 0 ) {
 199                                                 a->acl_dn_style = ACL_STYLE_ONE;
 200                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 201
 202                                         } else if ( strcasecmp( style, "subtree" ) == 0
 203                                                 || strcasecmp( style, "sub" ) == 0 )
 204                                         {
 205                                                 if( *right == '\0' ) {
 206                                                         a->acl_dn_pat.bv_val = ch_strdup( "*" );
 207                                                         a->acl_dn_pat.bv_len = 1;
 208
 209                                                 } else {
 210                                                         a->acl_dn_style = ACL_STYLE_SUBTREE;
 211                                                         ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 212                                                 }
 213
 214                                         } else if ( strcasecmp( style, "children" ) == 0 ) {
 215                                                 a->acl_dn_style = ACL_STYLE_CHILDREN;
 216                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 217
 218                                         } else if ( strcasecmp( style, "regex" ) == 0 ) {
 219                                                 a->acl_dn_style = ACL_STYLE_REGEX;
 220
 221                                                 if ( *right == '\0' ) {
 222                                                         /* empty regex should match empty DN */
 223                                                         a->acl_dn_style = ACL_STYLE_BASE;
 224                                                         ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 225
 226                                                 } else if ( strcmp(right, "*") == 0
 227                                                         || strcmp(right, ".*") == 0
 228                                                         || strcmp(right, ".*$") == 0
 229                                                         || strcmp(right, "^.*") == 0
 230                                                         || strcmp(right, "^.*$") == 0
 231                                                         || strcmp(right, ".*$$") == 0
 232                                                         || strcmp(right, "^.*$$") == 0 )
 233                                                 {
 234                                                         a->acl_dn_pat.bv_val = ch_strdup( "*" );
 235                                                         a->acl_dn_pat.bv_len = sizeof("*")-1;
 236
 237                                                 } else {
 238                                                         acl_regex_normalized_dn( right, &a->acl_dn_pat );
 239                                                 }
 240
 241                                         } else {
 242                                                 fprintf( stderr, "%s: line %d: "
 243                                                         "unknown dn style \"%s\" in to clause\n",
 244                                                     fname, lineno, style );
 245                                                 acl_usage();
 246                                         }
 247
 248                                         continue;
 249                                 }
 250
 251                                 if ( strcasecmp( left, "filter" ) == 0 ) {
 252                                         if ( (a->acl_filter = str2filter( right )) == NULL ) {
 253                                                 fprintf( stderr,
 254                                 "%s: line %d: bad filter \"%s\" in to clause\n",
 255                                                     fname, lineno, right );
 256                                                 acl_usage();
 257                                         }
 258
 259                                 } else if ( strcasecmp( left, "attr" ) == 0
 260                                                 || strcasecmp( left, "attrs" ) == 0 ) {
 261                                         a->acl_attrs = str2anlist( a->acl_attrs,
 262                                                 right, "," );
 263                                         if ( a->acl_attrs == NULL ) {
 264                                                 fprintf( stderr,
 265                                 "%s: line %d: unknown attr \"%s\" in to clause\n",
 266                                                     fname, lineno, right );
 267                                                 acl_usage();
 268                                         }
 269
 270                                 } else if ( strncasecmp( left, "val", 3 ) == 0 ) {
 271                                         if ( a->acl_attrval.bv_len ) {
 272                                                 fprintf( stderr,
 273                                 "%s: line %d: attr val already specified in to clause.\n",
 274                                                         fname, lineno );
 275                                                 acl_usage();
 276                                         }
 277                                         if ( a->acl_attrs == NULL || a->acl_attrs[1].an_name.bv_val ) {
 278                                                 fprintf( stderr,
 279                                 "%s: line %d: attr val requires a single attribute.\n",
 280                                                         fname, lineno );
 281                                                 acl_usage();
 282                                         }
 283                                         ber_str2bv( right, 0, 1, &a->acl_attrval );
 284                                         if ( style && strcasecmp( style, "regex" ) == 0 ) {
 285                                                 int e = regcomp( &a->acl_attrval_re, a->acl_attrval.bv_val,
 286                                                         REG_EXTENDED | REG_ICASE | REG_NOSUB );
 287                                                 if ( e ) {
 288                                                         char buf[512];
 289                                                         regerror( e, &a->acl_attrval_re, buf, sizeof(buf) );
 290                                                         fprintf( stderr, "%s: line %d: "
 291                                                                 "regular expression \"%s\" bad because of %s\n",
 292                                                                 fname, lineno, right, buf );
 293                                                         acl_usage();
 294                                                 }
 295                                                 a->acl_attrval_style = ACL_STYLE_REGEX;
 296                                         } else {
 297                                                 /* FIXME: if the attribute has DN syntax,
 298                                                  * we might allow one, subtree and children styles as well */
 299                                                 if ( !strcasecmp( style, "exact" ) ) {
 300                                                         a->acl_attrval_style = ACL_STYLE_BASE;
 301
 302                                                 } else if ( a->acl_attrs[0].an_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName ) {
 303                                                         if ( !strcasecmp( style, "base" ) ) {
 304                                                                 a->acl_attrval_style = ACL_STYLE_BASE;
 305                                                         } else if ( !strcasecmp( style, "onelevel" ) || !strcasecmp( style, "one" ) ) {
 306                                                                 a->acl_attrval_style = ACL_STYLE_ONE;
 307                                                         } else if ( !strcasecmp( style, "subtree" ) || !strcasecmp( style, "sub" ) ) {
 308                                                                 a->acl_attrval_style = ACL_STYLE_SUBTREE;
 309                                                         } else if ( !strcasecmp( style, "children" ) ) {
 310                                                                 a->acl_attrval_style = ACL_STYLE_CHILDREN;
 311                                                         } else {
 312                                                                 fprintf( stderr,
 313                                                                         "%s: line %d: unknown val.<style> \"%s\" "
 314                                                                         "for attributeType \"%s\" with DN syntax; using \"base\"\n",
 315                                                                         fname, lineno, style,
 316                                                                         a->acl_attrs[0].an_desc->ad_cname.bv_val );
 317                                                                 a->acl_attrval_style = ACL_STYLE_BASE;
 318                                                         }
 319
 320                                                 } else {
 321                                                         fprintf( stderr,
 322                                                                 "%s: line %d: unknown val.<style> \"%s\" "
 323                                                                 "for attributeType \"%s\"; using \"exact\"\n",
 324                                                                 fname, lineno, style,
 325                                                                 a->acl_attrs[0].an_desc->ad_cname.bv_val );
 326                                                         a->acl_attrval_style = ACL_STYLE_BASE;
 327                                                 }
 328                                         }
 329
 330                                 } else {
 331                                         fprintf( stderr,
 332                                                 "%s: line %d: expecting <what> got \"%s\"\n",
 333                                             fname, lineno, left );
 334                                         acl_usage();
 335                                 }
 336                         }
 337
 338                         if ( a->acl_dn_pat.bv_len != 0 &&
 339                                 strcmp(a->acl_dn_pat.bv_val, "*") == 0 )
 340                         {
 341                                 free( a->acl_dn_pat.bv_val );
 342                                 a->acl_dn_pat.bv_val = NULL;
 343                                 a->acl_dn_pat.bv_len = 0;
 344                         }
 345
 346                         if( a->acl_dn_pat.bv_len != 0 ||
 347                                 ( a->acl_dn_style != ACL_STYLE_REGEX ) )
 348                         {
 349                                 if ( a->acl_dn_style != ACL_STYLE_REGEX ) {
 350                                         struct berval bv;
 351                                         rc = dnNormalize( 0, NULL, NULL, &a->acl_dn_pat, &bv, NULL);
 352                                         if ( rc != LDAP_SUCCESS ) {
 353                                                 fprintf( stderr,
 354                                                         "%s: line %d: bad DN \"%s\" in to DN clause\n",
 355                                                         fname, lineno, a->acl_dn_pat.bv_val );
 356                                                 acl_usage();
 357                                         }
 358                                         free( a->acl_dn_pat.bv_val );
 359                                         a->acl_dn_pat = bv;
 360                                 } else {
 361                                         int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
 362                                                 REG_EXTENDED | REG_ICASE );
 363                                         if ( e ) {
 364                                                 char buf[512];
 365                                                 regerror( e, &a->acl_dn_re, buf, sizeof(buf) );
 366                                                 fprintf( stderr, "%s: line %d: "
 367                                                         "regular expression \"%s\" bad because of %s\n",
 368                                                         fname, lineno, right, buf );
 369                                                 acl_usage();
 370                                         }
 371                                 }
 372                         }
 373
 374                 /* by clause - select who has what access to entries */
 375                 } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
 376                         if ( a == NULL ) {
 377                                 fprintf( stderr, "%s: line %d: "
 378                                         "to clause required before by clause in access line\n",
 379                                     fname, lineno );
 380                                 acl_usage();
 381                         }
 382
 383                         /*
 384                          * by clause consists of <who> and <access>
 385                          */
 386
 387                         b = (Access *) ch_calloc( 1, sizeof(Access) );
 388
 389                         ACL_INVALIDATE( b->a_access_mask );
 390
 391                         if ( ++i == argc ) {
 392                                 fprintf( stderr,
 393                             "%s: line %d: premature eol: expecting <who>\n",
 394                                     fname, lineno );
 395                                 acl_usage();
 396                         }
 397
 398                         /* get <who> */
 399                         for ( ; i < argc; i++ ) {
 400                                 slap_style_t sty = ACL_STYLE_REGEX;
 401                                 char *style_modifier = NULL;
 402                                 int expand = 0;
 403
 404                                 split( argv[i], '=', &left, &right );
 405                                 split( left, '.', &left, &style );
 406                                 if ( style ) {
 407                                         split( style, ',', &style, &style_modifier);
 408                                 }
 409
 410                                 if ( style == NULL || *style == '\0' ||
 411                                         strcasecmp( style, "exact" ) == 0 ||
 412                                         strcasecmp( style, "base" ) == 0 )
 413                                 {
 414                                         sty = ACL_STYLE_BASE;
 415
 416                                 } else if ( strcasecmp( style, "onelevel" ) == 0 ||
 417                                         strcasecmp( style, "one" ) == 0 ) {
 418                                         sty = ACL_STYLE_ONE;
 419
 420                                 } else if ( strcasecmp( style, "subtree" ) == 0 ||
 421                                         strcasecmp( style, "sub" ) == 0 )
 422                                 {
 423                                         sty = ACL_STYLE_SUBTREE;
 424
 425                                 } else if ( strcasecmp( style, "children" ) == 0 ) {
 426                                         sty = ACL_STYLE_CHILDREN;
 427
 428                                 } else if ( strcasecmp( style, "regex" ) == 0 ) {
 429                                         sty = ACL_STYLE_REGEX;
 430
 431                                 } else if ( strcasecmp( style, "expand" ) == 0 ) {
 432                                         sty = ACL_STYLE_EXPAND;
 433
 434                                 } else if ( strcasecmp( style, "ip" ) == 0 ) {
 435                                         sty = ACL_STYLE_IP;
 436
 437                                 } else if ( strcasecmp( style, "path" ) == 0 ) {
 438                                         sty = ACL_STYLE_PATH;
 439 #ifndef LDAP_PF_LOCAL
 440                                         fprintf( stderr, "%s: line %d: "
 441                                                 "path style modifier is useless without local\n",
 442                                                 fname, lineno );
 443 #endif /* LDAP_PF_LOCAL */
 444
 445                                 } else {
 446                                         fprintf( stderr,
 447                                                 "%s: line %d: unknown style \"%s\" in by clause\n",
 448                                             fname, lineno, style );
 449                                         acl_usage();
 450                                 }
 451
 452                                 if ( style_modifier &&
 453                                         strcasecmp( style_modifier, "expand" ) == 0 )
 454                                 {
 455                                         switch ( sty ) {
 456                                         case ACL_STYLE_REGEX:
 457                                                 fprintf( stderr, "%s: line %d: "
 458                                                         "\"regex\" style implies "
 459                                                         "\"expand\" modifier (ignored)\n",
 460                                                         fname, lineno );
 461                                                 break;
 462
 463                                         case ACL_STYLE_EXPAND:
 464                                                 fprintf( stderr, "%s: line %d: "
 465                                                         "\"expand\" style used "
 466                                                         "in conjunction with "
 467                                                         "\"expand\" modifier (ignored)\n",
 468                                                         fname, lineno );
 469                                                 break;
 470
 471                                         default:
 472                                                 /* we'll see later if it's pertinent */
 473                                                 expand = 1;
 474                                                 break;
 475                                         }
 476                                 }
 477
 478                                 /* expand in <who> needs regex in <what> */
 479                                 if ( ( sty == ACL_STYLE_EXPAND || expand )
 480                                                 && a->acl_dn_style != ACL_STYLE_REGEX )
 481                                 {
 482                                         fprintf( stderr, "%s: line %d: "
 483                                                 "\"expand\" style or modifier used "
 484                                                 "in conjunction with "
 485                                                 "a non-regex <what> clause\n",
 486                                                 fname, lineno );
 487                                 }
 488
 489
 490                                 if ( strcasecmp( argv[i], "*" ) == 0 ) {
 491                                         bv.bv_val = ch_strdup( "*" );
 492                                         bv.bv_len = 1;
 493                                         sty = ACL_STYLE_REGEX;
 494
 495                                 } else if ( strcasecmp( argv[i], "anonymous" ) == 0 ) {
 496                                         ber_str2bv("anonymous", sizeof("anonymous")-1, 1, &bv);
 497                                         sty = ACL_STYLE_REGEX;
 498
 499                                 } else if ( strcasecmp( argv[i], "self" ) == 0 ) {
 500                                         ber_str2bv("self", sizeof("self")-1, 1, &bv);
 501                                         sty = ACL_STYLE_REGEX;
 502
 503                                 } else if ( strcasecmp( argv[i], "users" ) == 0 ) {
 504                                         ber_str2bv("users", sizeof("users")-1, 1, &bv);
 505                                         sty = ACL_STYLE_REGEX;
 506
 507                                 } else if ( strcasecmp( left, "dn" ) == 0 ) {
 508                                         if ( sty == ACL_STYLE_REGEX ) {
 509                                                 b->a_dn_style = ACL_STYLE_REGEX;
 510                                                 if( right == NULL ) {
 511                                                         /* no '=' */
 512                                                         ber_str2bv("users",
 513                                                                 sizeof("users")-1,
 514                                                                 1, &bv);
 515                                                 } else if (*right == '\0' ) {
 516                                                         /* dn="" */
 517                                                         ber_str2bv("anonymous",
 518                                                                 sizeof("anonymous")-1,
 519                                                                 1, &bv);
 520                                                 } else if ( strcmp( right, "*" ) == 0 ) {
 521                                                         /* dn=* */
 522                                                         /* any or users?  users for now */
 523                                                         ber_str2bv("users",
 524                                                                 sizeof("users")-1,
 525                                                                 1, &bv);
 526                                                 } else if ( strcmp( right, ".+" ) == 0
 527                                                         || strcmp( right, "^.+" ) == 0
 528                                                         || strcmp( right, ".+$" ) == 0
 529                                                         || strcmp( right, "^.+$" ) == 0
 530                                                         || strcmp( right, ".+$$" ) == 0
 531                                                         || strcmp( right, "^.+$$" ) == 0 )
 532                                                 {
 533                                                         ber_str2bv("users",
 534                                                                 sizeof("users")-1,
 535                                                                 1, &bv);
 536                                                 } else if ( strcmp( right, ".*" ) == 0
 537                                                         || strcmp( right, "^.*" ) == 0
 538                                                         || strcmp( right, ".*$" ) == 0
 539                                                         || strcmp( right, "^.*$" ) == 0
 540                                                         || strcmp( right, ".*$$" ) == 0
 541                                                         || strcmp( right, "^.*$$" ) == 0 )
 542                                                 {
 543                                                         ber_str2bv("*",
 544                                                                 sizeof("*")-1,
 545                                                                 1, &bv);
 546
 547                                                 } else {
 548                                                         acl_regex_normalized_dn( right, &bv );
 549                                                         if ( !ber_bvccmp( &bv, '*' ) ) {
 550                                                                 regtest(fname, lineno, bv.bv_val);
 551                                                         }
 552                                                 }
 553                                         } else if ( right == NULL || *right == '\0' ) {
 554                                                 fprintf( stderr, "%s: line %d: "
 555                                                         "missing \"=\" in (or value after) \"%s\" "
 556                                                         "in by clause\n",
 557                                                     fname, lineno, left );
 558                                                 acl_usage();
 559
 560                                         } else {
 561                                                 ber_str2bv( right, 0, 1, &bv );
 562                                         }
 563
 564                                 } else {
 565                                         bv.bv_val = NULL;
 566                                 }
 567
 568                                 if( bv.bv_val != NULL ) {
 569                                         if( b->a_dn_pat.bv_len != 0 ) {
 570                                                 fprintf( stderr,
 571                                                     "%s: line %d: dn pattern already specified.\n",
 572                                                     fname, lineno );
 573                                                 acl_usage();
 574                                         }
 575
 576                                         if ( sty != ACL_STYLE_REGEX && expand == 0 ) {
 577                                                 rc = dnNormalize(0, NULL, NULL,
 578                                                         &bv, &b->a_dn_pat, NULL);
 579                                                 if ( rc != LDAP_SUCCESS ) {
 580                                                         fprintf( stderr,
 581                                                                 "%s: line %d: bad DN \"%s\" in by DN clause\n",
 582                                                                 fname, lineno, bv.bv_val );
 583                                                         acl_usage();
 584                                                 }
 585                                                 free(bv.bv_val);
 586                                         } else {
 587                                                 b->a_dn_pat = bv;
 588                                         }
 589                                         b->a_dn_style = sty;
 590                                         b->a_dn_expand = expand;
 591                                         continue;
 592                                 }
 593
 594                                 if ( strcasecmp( left, "dnattr" ) == 0 ) {
 595                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 596                                                 fprintf( stderr,
 597                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 598                                                         fname, lineno, left );
 599                                                 acl_usage();
 600                                         }
 601
 602                                         if( b->a_dn_at != NULL ) {
 603                                                 fprintf( stderr,
 604                                                         "%s: line %d: dnattr already specified.\n",
 605                                                         fname, lineno );
 606                                                 acl_usage();
 607                                         }
 608
 609                                         rc = slap_str2ad( right, &b->a_dn_at, &text );
 610
 611                                         if( rc != LDAP_SUCCESS ) {
 612                                                 fprintf( stderr,
 613                                                         "%s: line %d: dnattr \"%s\": %s\n",
 614                                                         fname, lineno, right, text );
 615                                                 acl_usage();
 616                                         }
 617
 618
 619                                         if( !is_at_syntax( b->a_dn_at->ad_type,
 620                                                 SLAPD_DN_SYNTAX ) &&
 621                                                 !is_at_syntax( b->a_dn_at->ad_type,
 622                                                 SLAPD_NAMEUID_SYNTAX ))
 623                                         {
 624                                                 fprintf( stderr,
 625                                                         "%s: line %d: dnattr \"%s\": "
 626                                                         "inappropriate syntax: %s\n",
 627                                                         fname, lineno, right,
 628                                                         b->a_dn_at->ad_type->sat_syntax_oid );
 629                                                 acl_usage();
 630                                         }
 631
 632                                         if( b->a_dn_at->ad_type->sat_equality == NULL ) {
 633                                                 fprintf( stderr,
 634                                                         "%s: line %d: dnattr \"%s\": "
 635                                                         "inappropriate matching (no EQUALITY)\n",
 636                                                         fname, lineno, right );
 637                                                 acl_usage();
 638                                         }
 639
 640                                         continue;
 641                                 }
 642
 643                                 if ( strncasecmp( left, "group", sizeof("group")-1 ) == 0 ) {
 644                                         char *name = NULL;
 645                                         char *value = NULL;
 646
 647                                         switch ( sty ) {
 648                                         case ACL_STYLE_REGEX:
 649                                                 /* legacy, tolerated */
 650                                                 fprintf( stderr, "%s: line %d: "
 651                                                         "deprecated group style \"regex\"; "
 652                                                         "use \"expand\" instead\n",
 653                                                         fname, lineno, style );
 654                                                 sty = ACL_STYLE_EXPAND;
 655                                                 break;
 656
 657                                         case ACL_STYLE_BASE:
 658                                                 /* legal, traditional */
 659                                         case ACL_STYLE_EXPAND:
 660                                                 /* legal, substring expansion; supersedes regex */
 661                                                 break;
 662
 663                                         default:
 664                                                 /* unknown */
 665                                                 fprintf( stderr, "%s: line %d: "
 666                                                         "inappropriate style \"%s\" in by clause\n",
 667                                                         fname, lineno, style );
 668                                                 acl_usage();
 669                                         }
 670
 671                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 672                                                 fprintf( stderr, "%s: line %d: "
 673                                                         "missing \"=\" in (or value after) \"%s\" "
 674                                                         "in by clause\n",
 675                                                         fname, lineno, left );
 676                                                 acl_usage();
 677                                         }
 678
 679                                         if( b->a_group_pat.bv_len ) {
 680                                                 fprintf( stderr,
 681                                                         "%s: line %d: group pattern already specified.\n",
 682                                                         fname, lineno );
 683                                                 acl_usage();
 684                                         }
 685
 686                                         /* format of string is
 687                                                 "group/objectClassValue/groupAttrName" */
 688                                         if ((value = strchr(left, '/')) != NULL) {
 689                                                 *value++ = '\0';
 690                                                 if (*value && (name = strchr(value, '/')) != NULL) {
 691                                                         *name++ = '\0';
 692                                                 }
 693                                         }
 694
 695                                         b->a_group_style = sty;
 696                                         if (sty == ACL_STYLE_EXPAND) {
 697                                                 acl_regex_normalized_dn( right, &bv );
 698                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
 699                                                         regtest(fname, lineno, bv.bv_val);
 700                                                 }
 701                                                 b->a_group_pat = bv;
 702                                         } else {
 703                                                 ber_str2bv( right, 0, 0, &bv );
 704                                                 rc = dnNormalize( 0, NULL, NULL, &bv,
 705                                                         &b->a_group_pat, NULL );
 706                                                 if ( rc != LDAP_SUCCESS ) {
 707                                                         fprintf( stderr,
 708                                                                 "%s: line %d: bad DN \"%s\"\n",
 709                                                                 fname, lineno, right );
 710                                                         acl_usage();
 711                                                 }
 712                                         }
 713
 714                                         if (value && *value) {
 715                                                 b->a_group_oc = oc_find( value );
 716                                                 *--value = '/';
 717
 718                                                 if( b->a_group_oc == NULL ) {
 719                                                         fprintf( stderr,
 720                                                                 "%s: line %d: group objectclass "
 721                                                                 "\"%s\" unknown\n",
 722                                                                 fname, lineno, value );
 723                                                         acl_usage();
 724                                                 }
 725                                         } else {
 726                                                 b->a_group_oc = oc_find(SLAPD_GROUP_CLASS);
 727
 728                                                 if( b->a_group_oc == NULL ) {
 729                                                         fprintf( stderr,
 730                                                                 "%s: line %d: group default objectclass "
 731                                                                 "\"%s\" unknown\n",
 732                                                                 fname, lineno, SLAPD_GROUP_CLASS );
 733                                                         acl_usage();
 734                                                 }
 735                                         }
 736
 737                                         if( is_object_subclass( slap_schema.si_oc_referral,
 738                                                 b->a_group_oc ))
 739                                         {
 740                                                 fprintf( stderr,
 741                                                         "%s: line %d: group objectclass \"%s\" "
 742                                                         "is subclass of referral\n",
 743                                                         fname, lineno, value );
 744                                                 acl_usage();
 745                                         }
 746
 747                                         if( is_object_subclass( slap_schema.si_oc_alias,
 748                                                 b->a_group_oc ))
 749                                         {
 750                                                 fprintf( stderr,
 751                                                         "%s: line %d: group objectclass \"%s\" "
 752                                                         "is subclass of alias\n",
 753                                                         fname, lineno, value );
 754                                                 acl_usage();
 755                                         }
 756
 757                                         if (name && *name) {
 758                                                 rc = slap_str2ad( name, &b->a_group_at, &text );
 759
 760                                                 if( rc != LDAP_SUCCESS ) {
 761                                                         fprintf( stderr,
 762                                                                 "%s: line %d: group \"%s\": %s\n",
 763                                                                 fname, lineno, right, text );
 764                                                         acl_usage();
 765                                                 }
 766                                                 *--name = '/';
 767                                         } else {
 768                                                 rc = slap_str2ad( SLAPD_GROUP_ATTR, &b->a_group_at, &text );
 769
 770                                                 if( rc != LDAP_SUCCESS ) {
 771                                                         fprintf( stderr,
 772                                                                 "%s: line %d: group \"%s\": %s\n",
 773                                                                 fname, lineno, SLAPD_GROUP_ATTR, text );
 774                                                         acl_usage();
 775                                                 }
 776                                         }
 777
 778                                         if( !is_at_syntax( b->a_group_at->ad_type,
 779                                                 SLAPD_DN_SYNTAX ) &&
 780                                             !is_at_syntax( b->a_group_at->ad_type,
 781                                                 SLAPD_NAMEUID_SYNTAX ) &&
 782                                                 !is_at_subtype( b->a_group_at->ad_type, slap_schema.si_ad_labeledURI->ad_type ))
 783                                         {
 784                                                 fprintf( stderr,
 785                                                         "%s: line %d: group \"%s\": inappropriate syntax: %s\n",
 786                                                         fname, lineno, right,
 787                                                         b->a_group_at->ad_type->sat_syntax_oid );
 788                                                 acl_usage();
 789                                         }
 790
 791
 792                                         {
 793                                                 int rc;
 794                                                 struct berval vals[2];
 795
 796                                                 vals[0].bv_val = b->a_group_oc->soc_oid;
 797                                                 vals[0].bv_len = strlen(vals[0].bv_val);
 798                                                 vals[1].bv_val = NULL;
 799
 800
 801                                                 rc = oc_check_allowed( b->a_group_at->ad_type,
 802                                                         vals, NULL );
 803
 804                                                 if( rc != 0 ) {
 805                                                         fprintf( stderr, "%s: line %d: "
 806                                                                 "group: \"%s\" not allowed by \"%s\"\n",
 807                                                                 fname, lineno,
 808                                                                 b->a_group_at->ad_cname.bv_val,
 809                                                                 b->a_group_oc->soc_oid );
 810                                                         acl_usage();
 811                                                 }
 812                                         }
 813                                         continue;
 814                                 }
 815
 816                                 if ( strcasecmp( left, "peername" ) == 0 ) {
 817                                         switch (sty) {
 818                                         case ACL_STYLE_REGEX:
 819                                         case ACL_STYLE_BASE:
 820                                                 /* legal, traditional */
 821                                         case ACL_STYLE_EXPAND:
 822                                                 /* cheap replacement to regex for simple expansion */
 823                                         case ACL_STYLE_IP:
 824                                         case ACL_STYLE_PATH:
 825                                                 /* legal, peername specific */
 826                                                 break;
 827
 828                                         default:
 829                                                 fprintf( stderr, "%s: line %d: "
 830                                                         "inappropriate style \"%s\" in by clause\n",
 831                                                     fname, lineno, style );
 832                                                 acl_usage();
 833                                         }
 834
 835                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 836                                                 fprintf( stderr, "%s: line %d: "
 837                                                         "missing \"=\" in (or value after) \"%s\" "
 838                                                         "in by clause\n",
 839                                                         fname, lineno, left );
 840                                                 acl_usage();
 841                                         }
 842
 843                                         if( b->a_peername_pat.bv_len ) {
 844                                                 fprintf( stderr, "%s: line %d: "
 845                                                         "peername pattern already specified.\n",
 846                                                         fname, lineno );
 847                                                 acl_usage();
 848                                         }
 849
 850                                         b->a_peername_style = sty;
 851                                         if (sty == ACL_STYLE_REGEX) {
 852                                                 acl_regex_normalized_dn( right, &bv );
 853                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
 854                                                         regtest(fname, lineno, bv.bv_val);
 855                                                 }
 856                                                 b->a_peername_pat = bv;
 857
 858                                         } else {
 859                                                 ber_str2bv( right, 0, 1, &b->a_peername_pat );
 860
 861                                                 if ( sty == ACL_STYLE_IP ) {
 862                                                         char            *addr = NULL,
 863                                                                         *mask = NULL,
 864                                                                         *port = NULL;
 865
 866                                                         split( right, '{', &addr, &port );
 867                                                         split( addr, '%', &addr, &mask );
 868
 869                                                         b->a_peername_addr = inet_addr( addr );
 870                                                         if ( b->a_peername_addr == (unsigned long)(-1)) {
 871                                                                 /* illegal address */
 872                                                                 fprintf( stderr, "%s: line %d: "
 873                                                                         "illegal peername address \"%s\".\n",
 874                                                                         fname, lineno, addr );
 875                                                                 acl_usage();
 876                                                         }
 877
 878                                                         b->a_peername_mask = (unsigned long)(-1);
 879                                                         if ( mask != NULL ) {
 880                                                                 b->a_peername_mask = inet_addr( mask );
 881                                                                 if ( b->a_peername_mask == (unsigned long)(-1)) {
 882                                                                         /* illegal mask */
 883                                                                         fprintf( stderr, "%s: line %d: "
 884                                                                                 "illegal peername address mask \"%s\".\n",
 885                                                                                 fname, lineno, mask );
 886                                                                         acl_usage();
 887                                                                 }
 888                                                         }
 889
 890                                                         b->a_peername_port = -1;
 891                                                         if ( port ) {
 892                                                                 char    *end = NULL;
 893
 894                                                                 b->a_peername_port = strtol( port, &end, 10 );
 895                                                                 if ( end[ 0 ] != '}' ) {
 896                                                                         /* illegal port */
 897                                                                         fprintf( stderr, "%s: line %d: "
 898                                                                                 "illegal peername port specification \"{%s}\".\n",
 899                                                                                 fname, lineno, port );
 900                                                                         acl_usage();
 901                                                                 }
 902                                                         }
 903                                                 }
 904                                         }
 905                                         continue;
 906                                 }
 907
 908                                 if ( strcasecmp( left, "sockname" ) == 0 ) {
 909                                         switch (sty) {
 910                                         case ACL_STYLE_REGEX:
 911                                         case ACL_STYLE_BASE:
 912                                                 /* legal, traditional */
 913                                         case ACL_STYLE_EXPAND:
 914                                                 /* cheap replacement to regex for simple expansion */
 915                                                 break;
 916
 917                                         default:
 918                                                 /* unknown */
 919                                                 fprintf( stderr, "%s: line %d: "
 920                                                         "inappropriate style \"%s\" in by clause\n",
 921                                                     fname, lineno, style );
 922                                                 acl_usage();
 923                                         }
 924
 925                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 926                                                 fprintf( stderr, "%s: line %d: "
 927                                                         "missing \"=\" in (or value after) \"%s\" "
 928                                                         "in by clause\n",
 929                                                         fname, lineno, left );
 930                                                 acl_usage();
 931                                         }
 932
 933                                         if( b->a_sockname_pat.bv_len ) {
 934                                                 fprintf( stderr, "%s: line %d: "
 935                                                         "sockname pattern already specified.\n",
 936                                                         fname, lineno );
 937                                                 acl_usage();
 938                                         }
 939
 940                                         b->a_sockname_style = sty;
 941                                         if (sty == ACL_STYLE_REGEX) {
 942                                                 acl_regex_normalized_dn( right, &bv );
 943                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
 944                                                         regtest(fname, lineno, bv.bv_val);
 945                                                 }
 946                                                 b->a_sockname_pat = bv;
 947                                         } else {
 948                                                 ber_str2bv( right, 0, 1, &b->a_sockname_pat );
 949                                         }
 950                                         continue;
 951                                 }
 952
 953                                 if ( strcasecmp( left, "domain" ) == 0 ) {
 954                                         switch ( sty ) {
 955                                         case ACL_STYLE_REGEX:
 956                                         case ACL_STYLE_BASE:
 957                                         case ACL_STYLE_SUBTREE:
 958                                                 /* legal, traditional */
 959                                                 break;
 960
 961                                         case ACL_STYLE_EXPAND:
 962                                                 /* tolerated: means exact,expand */
 963                                                 if ( expand ) {
 964                                                         fprintf( stderr,
 965                                                                 "%s: line %d: "
 966                                                                 "\"expand\" modifier with \"expand\" style\n",
 967                                                                 fname, lineno );
 968                                                 }
 969                                                 sty = ACL_STYLE_BASE;
 970                                                 expand = 1;
 971                                                 break;
 972
 973                                         default:
 974                                                 /* unknown */
 975                                                 fprintf( stderr,
 976                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
 977                                                     fname, lineno, style );
 978                                                 acl_usage();
 979                                         }
 980
 981                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 982                                                 fprintf( stderr,
 983                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 984                                                         fname, lineno, left );
 985                                                 acl_usage();
 986                                         }
 987
 988                                         if( b->a_domain_pat.bv_len ) {
 989                                                 fprintf( stderr,
 990                                                         "%s: line %d: domain pattern already specified.\n",
 991                                                         fname, lineno );
 992                                                 acl_usage();
 993                                         }
 994
 995                                         b->a_domain_style = sty;
 996                                         b->a_domain_expand = expand;
 997                                         if (sty == ACL_STYLE_REGEX) {
 998                                                 acl_regex_normalized_dn( right, &bv );
 999                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1000                                                         regtest(fname, lineno, bv.bv_val);
1001                                                 }
1002                                                 b->a_domain_pat = bv;
1003                                         } else {
1004                                                 ber_str2bv( right, 0, 1, &b->a_domain_pat );
1005                                         }
1006                                         continue;
1007                                 }
1008
1009                                 if ( strcasecmp( left, "sockurl" ) == 0 ) {
1010                                         switch (sty) {
1011                                         case ACL_STYLE_REGEX:
1012                                         case ACL_STYLE_BASE:
1013                                                 /* legal, traditional */
1014                                         case ACL_STYLE_EXPAND:
1015                                                 /* cheap replacement to regex for simple expansion */
1016                                                 break;
1017
1018                                         default:
1019                                                 /* unknown */
1020                                                 fprintf( stderr, "%s: line %d: "
1021                                                         "inappropriate style \"%s\" in by clause\n",
1022                                                     fname, lineno, style );
1023                                                 acl_usage();
1024                                         }
1025
1026                                         if ( right == NULL || right[ 0 ] == '\0' ) {
1027                                                 fprintf( stderr,
1028                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
1029                                                         fname, lineno, left );
1030                                                 acl_usage();
1031                                         }
1032
1033                                         if( b->a_sockurl_pat.bv_len ) {
1034                                                 fprintf( stderr,
1035                                                         "%s: line %d: sockurl pattern already specified.\n",
1036                                                         fname, lineno );
1037                                                 acl_usage();
1038                                         }
1039
1040                                         b->a_sockurl_style = sty;
1041                                         if (sty == ACL_STYLE_REGEX) {
1042                                                 acl_regex_normalized_dn( right, &bv );
1043                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1044                                                         regtest(fname, lineno, bv.bv_val);
1045                                                 }
1046                                                 b->a_sockurl_pat = bv;
1047                                         } else {
1048                                                 ber_str2bv( right, 0, 1, &b->a_sockurl_pat );
1049                                         }
1050                                         continue;
1051                                 }
1052
1053                                 if ( strcasecmp( left, "set" ) == 0 ) {
1054                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1055                                                 fprintf( stderr,
1056                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1057                                                     fname, lineno, style );
1058                                                 acl_usage();
1059                                         }
1060
1061                                         if( b->a_set_pat.bv_len != 0 ) {
1062                                                 fprintf( stderr,
1063                                                         "%s: line %d: set attribute already specified.\n",
1064                                                         fname, lineno );
1065                                                 acl_usage();
1066                                         }
1067
1068                                         if ( right == NULL || *right == '\0' ) {
1069                                                 fprintf( stderr,
1070                                                         "%s: line %d: no set is defined\n",
1071                                                         fname, lineno );
1072                                                 acl_usage();
1073                                         }
1074
1075                                         b->a_set_style = sty;
1076                                         ber_str2bv( right, 0, 1, &b->a_set_pat );
1077
1078                                         continue;
1079                                 }
1080
1081 #ifdef SLAPD_ACI_ENABLED
1082                                 if ( strcasecmp( left, "aci" ) == 0 ) {
1083                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1084                                                 fprintf( stderr,
1085                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1086                                                     fname, lineno, style );
1087                                                 acl_usage();
1088                                         }
1089
1090                                         if( b->a_aci_at != NULL ) {
1091                                                 fprintf( stderr,
1092                                                         "%s: line %d: aci attribute already specified.\n",
1093                                                         fname, lineno );
1094                                                 acl_usage();
1095                                         }
1096
1097                                         if ( right != NULL && *right != '\0' ) {
1098                                                 rc = slap_str2ad( right, &b->a_aci_at, &text );
1099
1100                                                 if( rc != LDAP_SUCCESS ) {
1101                                                         fprintf( stderr,
1102                                                                 "%s: line %d: aci \"%s\": %s\n",
1103                                                                 fname, lineno, right, text );
1104                                                         acl_usage();
1105                                                 }
1106
1107                                         } else {
1108                                                 b->a_aci_at = slap_schema.si_ad_aci;
1109                                         }
1110
1111                                         if( !is_at_syntax( b->a_aci_at->ad_type,
1112                                                 SLAPD_ACI_SYNTAX) )
1113                                         {
1114                                                 fprintf( stderr,
1115                                                         "%s: line %d: aci \"%s\": inappropriate syntax: %s\n",
1116                                                         fname, lineno, right,
1117                                                         b->a_aci_at->ad_type->sat_syntax_oid );
1118                                                 acl_usage();
1119                                         }
1120
1121                                         continue;
1122                                 }
1123 #endif /* SLAPD_ACI_ENABLED */
1124
1125                                 if ( strcasecmp( left, "ssf" ) == 0 ) {
1126                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1127                                                 fprintf( stderr,
1128                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1129                                                     fname, lineno, style );
1130                                                 acl_usage();
1131                                         }
1132
1133                                         if( b->a_authz.sai_ssf ) {
1134                                                 fprintf( stderr,
1135                                                         "%s: line %d: ssf attribute already specified.\n",
1136                                                         fname, lineno );
1137                                                 acl_usage();
1138                                         }
1139
1140                                         if ( right == NULL || *right == '\0' ) {
1141                                                 fprintf( stderr,
1142                                                         "%s: line %d: no ssf is defined\n",
1143                                                         fname, lineno );
1144                                                 acl_usage();
1145                                         }
1146
1147                                         b->a_authz.sai_ssf = atoi( right );
1148
1149                                         if( !b->a_authz.sai_ssf ) {
1150                                                 fprintf( stderr,
1151                                                         "%s: line %d: invalid ssf value (%s)\n",
1152                                                         fname, lineno, right );
1153                                                 acl_usage();
1154                                         }
1155                                         continue;
1156                                 }
1157
1158                                 if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
1159                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1160                                                 fprintf( stderr,
1161                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1162                                                     fname, lineno, style );
1163                                                 acl_usage();
1164                                         }
1165
1166                                         if( b->a_authz.sai_transport_ssf ) {
1167                                                 fprintf( stderr,
1168                                                         "%s: line %d: transport_ssf attribute already specified.\n",
1169                                                         fname, lineno );
1170                                                 acl_usage();
1171                                         }
1172
1173                                         if ( right == NULL || *right == '\0' ) {
1174                                                 fprintf( stderr,
1175                                                         "%s: line %d: no transport_ssf is defined\n",
1176                                                         fname, lineno );
1177                                                 acl_usage();
1178                                         }
1179
1180                                         b->a_authz.sai_transport_ssf = atoi( right );
1181
1182                                         if( !b->a_authz.sai_transport_ssf ) {
1183                                                 fprintf( stderr,
1184                                                         "%s: line %d: invalid transport_ssf value (%s)\n",
1185                                                         fname, lineno, right );
1186                                                 acl_usage();
1187                                         }
1188                                         continue;
1189                                 }
1190
1191                                 if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
1192                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1193                                                 fprintf( stderr,
1194                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1195                                                     fname, lineno, style );
1196                                                 acl_usage();
1197                                         }
1198
1199                                         if( b->a_authz.sai_tls_ssf ) {
1200                                                 fprintf( stderr,
1201                                                         "%s: line %d: tls_ssf attribute already specified.\n",
1202                                                         fname, lineno );
1203                                                 acl_usage();
1204                                         }
1205
1206                                         if ( right == NULL || *right == '\0' ) {
1207                                                 fprintf( stderr,
1208                                                         "%s: line %d: no tls_ssf is defined\n",
1209                                                         fname, lineno );
1210                                                 acl_usage();
1211                                         }
1212
1213                                         b->a_authz.sai_tls_ssf = atoi( right );
1214
1215                                         if( !b->a_authz.sai_tls_ssf ) {
1216                                                 fprintf( stderr,
1217                                                         "%s: line %d: invalid tls_ssf value (%s)\n",
1218                                                         fname, lineno, right );
1219                                                 acl_usage();
1220                                         }
1221                                         continue;
1222                                 }
1223
1224                                 if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
1225                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1226                                                 fprintf( stderr,
1227                                                         "%s: line %d: inappropriate style \"%s\" in by clause\n",
1228                                                     fname, lineno, style );
1229                                                 acl_usage();
1230                                         }
1231
1232                                         if( b->a_authz.sai_sasl_ssf ) {
1233                                                 fprintf( stderr,
1234                                                         "%s: line %d: sasl_ssf attribute already specified.\n",
1235                                                         fname, lineno );
1236                                                 acl_usage();
1237                                         }
1238
1239                                         if ( right == NULL || *right == '\0' ) {
1240                                                 fprintf( stderr,
1241                                                         "%s: line %d: no sasl_ssf is defined\n",
1242                                                         fname, lineno );
1243                                                 acl_usage();
1244                                         }
1245
1246                                         b->a_authz.sai_sasl_ssf = atoi( right );
1247
1248                                         if( !b->a_authz.sai_sasl_ssf ) {
1249                                                 fprintf( stderr,
1250                                                         "%s: line %d: invalid sasl_ssf value (%s)\n",
1251                                                         fname, lineno, right );
1252                                                 acl_usage();
1253                                         }
1254                                         continue;
1255                                 }
1256
1257                                 if( right != NULL ) {
1258                                         /* unsplit */
1259                                         right[-1] = '=';
1260                                 }
1261                                 break;
1262                         }
1263
1264                         if( i == argc || ( strcasecmp( left, "stop" ) == 0 )) {
1265                                 /* out of arguments or plain stop */
1266
1267                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1268                                 b->a_type = ACL_STOP;
1269
1270                                 access_append( &a->acl_access, b );
1271                                 continue;
1272                         }
1273
1274                         if( strcasecmp( left, "continue" ) == 0 ) {
1275                                 /* plain continue */
1276
1277                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1278                                 b->a_type = ACL_CONTINUE;
1279
1280                                 access_append( &a->acl_access, b );
1281                                 continue;
1282                         }
1283
1284                         if( strcasecmp( left, "break" ) == 0 ) {
1285                                 /* plain continue */
1286
1287                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1288                                 b->a_type = ACL_BREAK;
1289
1290                                 access_append( &a->acl_access, b );
1291                                 continue;
1292                         }
1293
1294                         if ( strcasecmp( left, "by" ) == 0 ) {
1295                                 /* we've gone too far */
1296                                 --i;
1297                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1298                                 b->a_type = ACL_STOP;
1299
1300                                 access_append( &a->acl_access, b );
1301                                 continue;
1302                         }
1303
1304                         /* get <access> */
1305                         if( strncasecmp( left, "self", 4 ) == 0 ) {
1306                                 b->a_dn_self = 1;
1307                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[4] ) );
1308
1309                         } else {
1310                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( left ) );
1311                         }
1312
1313                         if( ACL_IS_INVALID( b->a_access_mask ) ) {
1314                                 fprintf( stderr,
1315                                         "%s: line %d: expecting <access> got \"%s\"\n",
1316                                         fname, lineno, left );
1317                                 acl_usage();
1318                         }
1319
1320                         b->a_type = ACL_STOP;
1321
1322                         if( ++i == argc ) {
1323                                 /* out of arguments or plain stop */
1324                                 access_append( &a->acl_access, b );
1325                                 continue;
1326                         }
1327
1328                         if( strcasecmp( argv[i], "continue" ) == 0 ) {
1329                                 /* plain continue */
1330                                 b->a_type = ACL_CONTINUE;
1331
1332                         } else if( strcasecmp( argv[i], "break" ) == 0 ) {
1333                                 /* plain continue */
1334                                 b->a_type = ACL_BREAK;
1335
1336                         } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
1337                                 /* gone to far */
1338                                 i--;
1339                         }
1340
1341                         access_append( &a->acl_access, b );
1342
1343                 } else {
1344                         fprintf( stderr,
1345                     "%s: line %d: expecting \"to\" or \"by\" got \"%s\"\n",
1346                             fname, lineno, argv[i] );
1347                         acl_usage();
1348                 }
1349         }
1350
1351         /* if we have no real access clause, complain and do nothing */
1352         if ( a == NULL ) {
1353                         fprintf( stderr,
1354                                 "%s: line %d: warning: no access clause(s) specified in access line\n",
1355                             fname, lineno );
1356
1357         } else {
1358 #ifdef LDAP_DEBUG
1359                 if (ldap_debug & LDAP_DEBUG_ACL)
1360                         print_acl(be, a);
1361 #endif
1362
1363                 if ( a->acl_access == NULL ) {
1364                         fprintf( stderr,
1365                         "%s: line %d: warning: no by clause(s) specified in access line\n",
1366                             fname, lineno );
1367                 }
1368
1369                 if ( be != NULL ) {
1370                         acl_append( &be->be_acl, a );
1371                 } else {
1372                         acl_append( &global_acl, a );
1373                 }
1374         }
1375 }
1376
1377 char *
1378 accessmask2str( slap_mask_t mask, char *buf )
1379 {
1380         int none=1;
1381         char *ptr = buf;
1382
1383         assert( buf != NULL );
1384
1385         if ( ACL_IS_INVALID( mask ) ) {
1386                 return "invalid";
1387         }
1388
1389         buf[0] = '\0';
1390
1391         if ( ACL_IS_LEVEL( mask ) ) {
1392                 if ( ACL_LVL_IS_NONE(mask) ) {
1393                         ptr = lutil_strcopy( ptr, "none" );
1394
1395                 } else if ( ACL_LVL_IS_AUTH(mask) ) {
1396                         ptr = lutil_strcopy( ptr, "auth" );
1397
1398                 } else if ( ACL_LVL_IS_COMPARE(mask) ) {
1399                         ptr = lutil_strcopy( ptr, "compare" );
1400
1401                 } else if ( ACL_LVL_IS_SEARCH(mask) ) {
1402                         ptr = lutil_strcopy( ptr, "search" );
1403
1404                 } else if ( ACL_LVL_IS_READ(mask) ) {
1405                         ptr = lutil_strcopy( ptr, "read" );
1406
1407                 } else if ( ACL_LVL_IS_WRITE(mask) ) {
1408                         ptr = lutil_strcopy( ptr, "write" );
1409                 } else {
1410                         ptr = lutil_strcopy( ptr, "unknown" );
1411                 }
1412
1413                 *ptr++ = '(';
1414         }
1415
1416         if( ACL_IS_ADDITIVE( mask ) ) {
1417                 *ptr++ = '+';
1418
1419         } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
1420                 *ptr++ = '-';
1421
1422         } else {
1423                 *ptr++ = '=';
1424         }
1425
1426         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
1427                 none = 0;
1428                 *ptr++ = 'w';
1429         }
1430
1431         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
1432                 none = 0;
1433                 *ptr++ = 'r';
1434         }
1435
1436         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
1437                 none = 0;
1438                 *ptr++ = 's';
1439         }
1440
1441         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
1442                 none = 0;
1443                 *ptr++ = 'c';
1444         }
1445
1446         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
1447                 none = 0;
1448                 *ptr++ = 'x';
1449         }
1450
1451         if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
1452                 none = 0;
1453                 *ptr++ = 'n';
1454         }
1455
1456         if ( none ) {
1457                 *ptr++ = '0';
1458         }
1459
1460         if ( ACL_IS_LEVEL( mask ) ) {
1461                 *ptr++ = ')';
1462         }
1463
1464         *ptr = '\0';
1465
1466         return buf;
1467 }
1468
1469 slap_mask_t
1470 str2accessmask( const char *str )
1471 {
1472         slap_mask_t     mask;
1473
1474         if( !ASCII_ALPHA(str[0]) ) {
1475                 int i;
1476
1477                 if ( str[0] == '=' ) {
1478                         ACL_INIT(mask);
1479
1480                 } else if( str[0] == '+' ) {
1481                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
1482
1483                 } else if( str[0] == '-' ) {
1484                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
1485
1486                 } else {
1487                         ACL_INVALIDATE(mask);
1488                         return mask;
1489                 }
1490
1491                 for( i=1; str[i] != '\0'; i++ ) {
1492                         if( TOLOWER((unsigned char) str[i]) == 'w' ) {
1493                                 ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
1494
1495                         } else if( TOLOWER((unsigned char) str[i]) == 'r' ) {
1496                                 ACL_PRIV_SET(mask, ACL_PRIV_READ);
1497
1498                         } else if( TOLOWER((unsigned char) str[i]) == 's' ) {
1499                                 ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
1500
1501                         } else if( TOLOWER((unsigned char) str[i]) == 'c' ) {
1502                                 ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
1503
1504                         } else if( TOLOWER((unsigned char) str[i]) == 'x' ) {
1505                                 ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
1506
1507                         } else if( str[i] != '0' ) {
1508                                 ACL_INVALIDATE(mask);
1509                                 return mask;
1510                         }
1511                 }
1512
1513                 return mask;
1514         }
1515
1516         if ( strcasecmp( str, "none" ) == 0 ) {
1517                 ACL_LVL_ASSIGN_NONE(mask);
1518
1519         } else if ( strcasecmp( str, "auth" ) == 0 ) {
1520                 ACL_LVL_ASSIGN_AUTH(mask);
1521
1522         } else if ( strcasecmp( str, "compare" ) == 0 ) {
1523                 ACL_LVL_ASSIGN_COMPARE(mask);
1524
1525         } else if ( strcasecmp( str, "search" ) == 0 ) {
1526                 ACL_LVL_ASSIGN_SEARCH(mask);
1527
1528         } else if ( strcasecmp( str, "read" ) == 0 ) {
1529                 ACL_LVL_ASSIGN_READ(mask);
1530
1531         } else if ( strcasecmp( str, "write" ) == 0 ) {
1532                 ACL_LVL_ASSIGN_WRITE(mask);
1533
1534         } else {
1535                 ACL_INVALIDATE( mask );
1536         }
1537
1538         return mask;
1539 }
1540
1541 static void
1542 acl_usage( void )
1543 {
1544         fprintf( stderr, "%s%s\n",
1545                 "<access clause> ::= access to <what> "
1546                                 "[ by <who> <access> [ <control> ] ]+ \n"
1547                 "<what> ::= * | [dn[.<dnstyle>]=<DN>] [filter=<filter>] [attrs=<attrlist>]\n"
1548                 "<attrlist> ::= <attr> [val[.<style>]=<value>] | <attr> , <attrlist>\n"
1549                 "<attr> ::= <attrname> | entry | children\n"
1550                 "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<DN> ]\n"
1551                         "\t[dnattr=<attrname>]\n"
1552                         "\t[group[/<objectclass>[/<attrname>]][.<style>]=<group>]\n"
1553                         "\t[peername[.<peernamestyle>]=<peer>] [sockname[.<style>]=<name>]\n",
1554                         "\t[domain[.<domainstyle>]=<domain>] [sockurl[.<style>]=<url>]\n"
1555 #ifdef SLAPD_ACI_ENABLED
1556                         "\t[aci=<attrname>]\n"
1557 #endif
1558                         "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
1559                 "<dnstyle> ::= base | exact | one(level) | sub(tree) | children | regex\n"
1560                 "<style> ::= regex | base | exact\n"
1561                 "<peernamestyle> ::= regex | exact | ip | path\n"
1562                 "<domainstyle> ::= regex | base | exact | sub(tree)\n"
1563                 "<access> ::= [self]{<level>|<priv>}\n"
1564                 "<level> ::= none | auth | compare | search | read | write\n"
1565                 "<priv> ::= {=|+|-}{w|r|s|c|x|0}+\n"
1566                 "<control> ::= [ stop | continue | break ]\n"
1567         );
1568         exit( EXIT_FAILURE );
1569 }
1570
1571 /*
1572  * Set pattern to a "normalized" DN from src.
1573  * At present it simply eats the (optional) space after
1574  * a RDN separator (,)
1575  * Eventually will evolve in a more complete normalization
1576  */
1577 static void
1578 acl_regex_normalized_dn(
1579         const char *src,
1580         struct berval *pattern
1581 )
1582 {
1583         char *str, *p;
1584         ber_len_t len;
1585
1586         str = ch_strdup( src );
1587         len = strlen( src );
1588
1589         for ( p = str; p && p[ 0 ]; p++ ) {
1590                 /* escape */
1591                 if ( p[ 0 ] == '\\' && p[ 1 ] ) {
1592                         /*
1593                          * if escaping a hex pair we should
1594                          * increment p twice; however, in that
1595                          * case the second hex number does
1596                          * no harm
1597                          */
1598                         p++;
1599                 }
1600
1601                 if ( p[ 0 ] == ',' ) {
1602                         if ( p[ 1 ] == ' ' ) {
1603                                 char *q;
1604
1605                                 /*
1606                                  * too much space should be
1607                                  * an error if we are pedantic
1608                                  */
1609                                 for ( q = &p[ 2 ]; q[ 0 ] == ' '; q++ ) {
1610                                         /* DO NOTHING */ ;
1611                                 }
1612                                 AC_MEMCPY( p+1, q, len-(q-str)+1);
1613                         }
1614                 }
1615         }
1616         pattern->bv_val = str;
1617         pattern->bv_len = p-str;
1618
1619         return;
1620 }
1621
1622 static void
1623 split(
1624     char        *line,
1625     int         splitchar,
1626     char        **left,
1627     char        **right
1628 )
1629 {
1630         *left = line;
1631         if ( (*right = strchr( line, splitchar )) != NULL ) {
1632                 *((*right)++) = '\0';
1633         }
1634 }
1635
1636 static void
1637 access_append( Access **l, Access *a )
1638 {
1639         for ( ; *l != NULL; l = &(*l)->a_next )
1640                 ;       /* NULL */
1641
1642         *l = a;
1643 }
1644
1645 void
1646 acl_append( AccessControl **l, AccessControl *a )
1647 {
1648         for ( ; *l != NULL; l = &(*l)->acl_next )
1649                 ;       /* NULL */
1650
1651         *l = a;
1652 }
1653
1654 static void
1655 access_free( Access *a )
1656 {
1657         if ( a->a_dn_pat.bv_val )
1658                 free ( a->a_dn_pat.bv_val );
1659         if ( a->a_peername_pat.bv_val )
1660                 free ( a->a_peername_pat.bv_val );
1661         if ( a->a_sockname_pat.bv_val )
1662                 free ( a->a_sockname_pat.bv_val );
1663         if ( a->a_domain_pat.bv_val )
1664                 free ( a->a_domain_pat.bv_val );
1665         if ( a->a_sockurl_pat.bv_val )
1666                 free ( a->a_sockurl_pat.bv_val );
1667         if ( a->a_set_pat.bv_len )
1668                 free ( a->a_set_pat.bv_val );
1669         if ( a->a_group_pat.bv_len )
1670                 free ( a->a_group_pat.bv_val );
1671         free( a );
1672 }
1673
1674 void
1675 acl_free( AccessControl *a )
1676 {
1677         Access *n;
1678         AttributeName *an;
1679
1680         if ( a->acl_filter )
1681                 filter_free( a->acl_filter );
1682         if ( a->acl_dn_pat.bv_len )
1683                 free ( a->acl_dn_pat.bv_val );
1684         if ( a->acl_attrs ) {
1685                 for ( an = a->acl_attrs; an->an_name.bv_val; an++ ) {
1686                         free( an->an_name.bv_val );
1687                 }
1688                 free( a->acl_attrs );
1689         }
1690         for (; a->acl_access; a->acl_access = n) {
1691                 n = a->acl_access->a_next;
1692                 access_free( a->acl_access );
1693         }
1694         free( a );
1695 }
1696
1697 /* Because backend_startup uses acl_append to tack on the global_acl to
1698  * the end of each backend's acl, we cannot just take one argument and
1699  * merrily free our way to the end of the list. backend_destroy calls us
1700  * with the be_acl in arg1, and global_acl in arg2 to give us a stopping
1701  * point. config_destroy calls us with global_acl in arg1 and NULL in
1702  * arg2, so we then proceed to polish off the global_acl.
1703  */
1704 void
1705 acl_destroy( AccessControl *a, AccessControl *end )
1706 {
1707         AccessControl *n;
1708
1709         for (; a && a!= end; a=n) {
1710                 n = a->acl_next;
1711                 acl_free( a );
1712         }
1713 }
1714
1715 char *
1716 access2str( slap_access_t access )
1717 {
1718         if ( access == ACL_NONE ) {
1719                 return "none";
1720
1721         } else if ( access == ACL_AUTH ) {
1722                 return "auth";
1723
1724         } else if ( access == ACL_COMPARE ) {
1725                 return "compare";
1726
1727         } else if ( access == ACL_SEARCH ) {
1728                 return "search";
1729
1730         } else if ( access == ACL_READ ) {
1731                 return "read";
1732
1733         } else if ( access == ACL_WRITE ) {
1734                 return "write";
1735         }
1736
1737         return "unknown";
1738 }
1739
1740 slap_access_t
1741 str2access( const char *str )
1742 {
1743         if ( strcasecmp( str, "none" ) == 0 ) {
1744                 return ACL_NONE;
1745
1746         } else if ( strcasecmp( str, "auth" ) == 0 ) {
1747                 return ACL_AUTH;
1748
1749         } else if ( strcasecmp( str, "compare" ) == 0 ) {
1750                 return ACL_COMPARE;
1751
1752         } else if ( strcasecmp( str, "search" ) == 0 ) {
1753                 return ACL_SEARCH;
1754
1755         } else if ( strcasecmp( str, "read" ) == 0 ) {
1756                 return ACL_READ;
1757
1758         } else if ( strcasecmp( str, "write" ) == 0 ) {
1759                 return ACL_WRITE;
1760         }
1761
1762         return( ACL_INVALID_ACCESS );
1763 }
1764
1765 #ifdef LDAP_DEBUG
1766
1767 static void
1768 print_access( Access *b )
1769 {
1770         char maskbuf[ACCESSMASK_MAXLEN];
1771
1772         fprintf( stderr, "\tby" );
1773
1774         if ( b->a_dn_pat.bv_len != 0 ) {
1775                 if( strcmp(b->a_dn_pat.bv_val, "*") == 0
1776                         || strcmp(b->a_dn_pat.bv_val, "users") == 0
1777                         || strcmp(b->a_dn_pat.bv_val, "anonymous") == 0
1778                         || strcmp(b->a_dn_pat.bv_val, "self") == 0 )
1779                 {
1780                         fprintf( stderr, " %s", b->a_dn_pat.bv_val );
1781
1782                 } else {
1783                         fprintf( stderr, " dn.%s=\"%s\"",
1784                                 style_strings[b->a_dn_style], b->a_dn_pat.bv_val );
1785                 }
1786         }
1787
1788         if ( b->a_dn_at != NULL ) {
1789                 fprintf( stderr, " dnattr=%s", b->a_dn_at->ad_cname.bv_val );
1790         }
1791
1792         if ( b->a_group_pat.bv_len ) {
1793                 fprintf( stderr, " group/%s/%s.%s=\"%s\"",
1794                         b->a_group_oc ? b->a_group_oc->soc_cname.bv_val : "groupOfNames",
1795                         b->a_group_at ? b->a_group_at->ad_cname.bv_val : "member",
1796                         style_strings[b->a_group_style],
1797                         b->a_group_pat.bv_val );
1798     }
1799
1800         if ( b->a_peername_pat.bv_len != 0 ) {
1801                 fprintf( stderr, " peername=\"%s\"", b->a_peername_pat.bv_val );
1802         }
1803
1804         if ( b->a_sockname_pat.bv_len != 0 ) {
1805                 fprintf( stderr, " sockname=\"%s\"", b->a_sockname_pat.bv_val );
1806         }
1807
1808         if ( b->a_domain_pat.bv_len != 0 ) {
1809                 fprintf( stderr, " domain=%s", b->a_domain_pat.bv_val );
1810         }
1811
1812         if ( b->a_sockurl_pat.bv_len != 0 ) {
1813                 fprintf( stderr, " sockurl=\"%s\"", b->a_sockurl_pat.bv_val );
1814         }
1815
1816         if ( b->a_set_pat.bv_len != 0 ) {
1817                 fprintf( stderr, " set=\"%s\"", b->a_set_pat.bv_val );
1818         }
1819
1820 #ifdef SLAPD_ACI_ENABLED
1821         if ( b->a_aci_at != NULL ) {
1822                 fprintf( stderr, " aci=%s", b->a_aci_at->ad_cname.bv_val );
1823         }
1824 #endif
1825
1826         /* Security Strength Factors */
1827         if ( b->a_authz.sai_ssf ) {
1828                 fprintf( stderr, " ssf=%u",
1829                         b->a_authz.sai_ssf );
1830         }
1831         if ( b->a_authz.sai_transport_ssf ) {
1832                 fprintf( stderr, " transport_ssf=%u",
1833                         b->a_authz.sai_transport_ssf );
1834         }
1835         if ( b->a_authz.sai_tls_ssf ) {
1836                 fprintf( stderr, " tls_ssf=%u",
1837                         b->a_authz.sai_tls_ssf );
1838         }
1839         if ( b->a_authz.sai_sasl_ssf ) {
1840                 fprintf( stderr, " sasl_ssf=%u",
1841                         b->a_authz.sai_sasl_ssf );
1842         }
1843
1844         fprintf( stderr, " %s%s",
1845                 b->a_dn_self ? "self" : "",
1846                 accessmask2str( b->a_access_mask, maskbuf ) );
1847
1848         if( b->a_type == ACL_BREAK ) {
1849                 fprintf( stderr, " break" );
1850
1851         } else if( b->a_type == ACL_CONTINUE ) {
1852                 fprintf( stderr, " continue" );
1853
1854         } else if( b->a_type != ACL_STOP ) {
1855                 fprintf( stderr, " unknown-control" );
1856         }
1857
1858         fprintf( stderr, "\n" );
1859 }
1860
1861
1862 static void
1863 print_acl( Backend *be, AccessControl *a )
1864 {
1865         int             to = 0;
1866         Access  *b;
1867
1868         fprintf( stderr, "%s ACL: access to",
1869                 be == NULL ? "Global" : "Backend" );
1870
1871         if ( a->acl_dn_pat.bv_len != 0 ) {
1872                 to++;
1873                 fprintf( stderr, " dn.%s=\"%s\"\n",
1874                         style_strings[a->acl_dn_style], a->acl_dn_pat.bv_val );
1875         }
1876
1877         if ( a->acl_filter != NULL ) {
1878                 struct berval bv = BER_BVNULL;
1879                 to++;
1880                 filter2bv( a->acl_filter, &bv );
1881                 fprintf( stderr, " filter=%s\n", bv.bv_val );
1882                 ch_free( bv.bv_val );
1883         }
1884
1885         if ( a->acl_attrs != NULL ) {
1886                 int     first = 1;
1887                 AttributeName *an;
1888                 to++;
1889
1890                 fprintf( stderr, " attrs=" );
1891                 for ( an = a->acl_attrs; an && an->an_name.bv_val; an++ ) {
1892                         if ( ! first ) {
1893                                 fprintf( stderr, "," );
1894                         }
1895                         if (an->an_oc) {
1896                                 fputc( an->an_oc_exclude ? '!' : '@', stderr);
1897                         }
1898                         fputs( an->an_name.bv_val, stderr );
1899                         first = 0;
1900                 }
1901                 fprintf(  stderr, "\n" );
1902         }
1903
1904         if ( a->acl_attrval.bv_len != 0 ) {
1905                 to++;
1906                 fprintf( stderr, " val.%s=\"%s\"\n",
1907                         style_strings[a->acl_attrval_style], a->acl_attrval.bv_val );
1908
1909         }
1910
1911         if( !to ) {
1912                 fprintf( stderr, " *\n" );
1913         }
1914
1915         for ( b = a->acl_access; b != NULL; b = b->a_next ) {
1916                 print_access( b );
1917         }
1918
1919         fprintf( stderr, "\n" );
1920 }
1921
1922 #endif /* LDAP_DEBUG */