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 1998-2005 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         "level",
  49         "attrof",
  50         "anonymous",
  51         "users",
  52         "self",
  53         "ip",
  54         "path",
  55         NULL
  56 };
  57
  58 static void             split(char *line, int splitchar, char **left, char **right);
  59 static void             access_append(Access **l, Access *a);
  60 static void             acl_usage(void) LDAP_GCCATTR((noreturn));
  61
  62 static void             acl_regex_normalized_dn(const char *src, struct berval *pat);
  63
  64 #ifdef LDAP_DEBUG
  65 static void             print_acl(Backend *be, AccessControl *a);
  66 #endif
  67
  68 static int              check_scope( BackendDB *be, AccessControl *a );
  69
  70 #ifdef SLAP_DYNACL
  71 static int
  72 slap_dynacl_config( const char *fname, int lineno, Access *b, const char *name, slap_style_t sty, const char *right )
  73 {
  74         slap_dynacl_t   *da, *tmp;
  75         int             rc = 0;
  76
  77         for ( da = b->a_dynacl; da; da = da->da_next ) {
  78                 if ( strcasecmp( da->da_name, name ) == 0 ) {
  79                         fprintf( stderr,
  80                                 "%s: line %d: dynacl \"%s\" already specified.\n",
  81                                 fname, lineno, name );
  82                         acl_usage();
  83                 }
  84         }
  85
  86         da = slap_dynacl_get( name );
  87         if ( da == NULL ) {
  88                 return -1;
  89         }
  90
  91         tmp = ch_malloc( sizeof( slap_dynacl_t ) );
  92         *tmp = *da;
  93
  94         if ( tmp->da_parse ) {
  95                 rc = ( *tmp->da_parse )( fname, lineno, sty, right, &tmp->da_private );
  96                 if ( rc ) {
  97                         ch_free( tmp );
  98                         return rc;
  99                 }
 100         }
 101
 102         tmp->da_next = b->a_dynacl;
 103         b->a_dynacl = tmp;
 104
 105         return 0;
 106 }
 107 #endif /* SLAP_DYNACL */
 108
 109 static void
 110 regtest(const char *fname, int lineno, char *pat) {
 111         int e;
 112         regex_t re;
 113
 114         char buf[512];
 115         unsigned size;
 116
 117         char *sp;
 118         char *dp;
 119         int  flag;
 120
 121         sp = pat;
 122         dp = buf;
 123         size = 0;
 124         buf[0] = '\0';
 125
 126         for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
 127                 if (flag) {
 128                         if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
 129                                 *dp++ = *sp;
 130                                 size++;
 131                         }
 132                         flag = 0;
 133
 134                 } else {
 135                         if (*sp == '$') {
 136                                 flag = 1;
 137                         } else {
 138                                 *dp++ = *sp;
 139                                 size++;
 140                         }
 141                 }
 142         }
 143
 144         *dp = '\0';
 145         if ( size >= (sizeof(buf) - 1) ) {
 146                 fprintf( stderr,
 147                         "%s: line %d: regular expression \"%s\" too large\n",
 148                         fname, lineno, pat );
 149                 acl_usage();
 150         }
 151
 152         if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
 153                 char error[512];
 154                 regerror(e, &re, error, sizeof(error));
 155                 fprintf( stderr,
 156                         "%s: line %d: regular expression \"%s\" bad because of %s\n",
 157                         fname, lineno, pat, error );
 158                 acl_usage();
 159         }
 160         regfree(&re);
 161 }
 162
 163 /*
 164  * Experimental
 165  *
 166  * Check if the pattern of an ACL, if any, matches the scope
 167  * of the backend it is defined within.
 168  */
 169 #define ACL_SCOPE_UNKNOWN       (-2)
 170 #define ACL_SCOPE_ERR           (-1)
 171 #define ACL_SCOPE_OK            (0)
 172 #define ACL_SCOPE_PARTIAL       (1)
 173 #define ACL_SCOPE_WARN          (2)
 174
 175 static int
 176 check_scope( BackendDB *be, AccessControl *a )
 177 {
 178         int             patlen;
 179         struct berval   dn;
 180
 181         dn = be->be_nsuffix[0];
 182
 183         if ( BER_BVISEMPTY( &dn ) ) {
 184                 return ACL_SCOPE_OK;
 185         }
 186
 187         if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
 188                         a->acl_dn_style != ACL_STYLE_REGEX )
 189         {
 190                 slap_style_t    style = a->acl_dn_style;
 191
 192                 if ( style == ACL_STYLE_REGEX ) {
 193                         char            dnbuf[SLAP_LDAPDN_MAXLEN + 2];
 194                         char            rebuf[SLAP_LDAPDN_MAXLEN + 1];
 195                         ber_len_t       rebuflen;
 196                         regex_t         re;
 197                         int             rc;
 198
 199                         /* add trailing '$' to database suffix to form
 200                          * a simple trial regex pattern "<suffix>$" */
 201                         AC_MEMCPY( dnbuf, be->be_nsuffix[0].bv_val,
 202                                 be->be_nsuffix[0].bv_len );
 203                         dnbuf[be->be_nsuffix[0].bv_len] = '$';
 204                         dnbuf[be->be_nsuffix[0].bv_len + 1] = '\0';
 205
 206                         if ( regcomp( &re, dnbuf, REG_EXTENDED|REG_ICASE ) ) {
 207                                 return ACL_SCOPE_WARN;
 208                         }
 209
 210                         /* remove trailing ')$', if any, from original
 211                          * regex pattern */
 212                         rebuflen = a->acl_dn_pat.bv_len;
 213                         AC_MEMCPY( rebuf, a->acl_dn_pat.bv_val, rebuflen + 1 );
 214                         if ( rebuf[rebuflen - 1] == '$' ) {
 215                                 rebuf[--rebuflen] = '\0';
 216                         }
 217                         while ( rebuflen > be->be_nsuffix[0].bv_len && rebuf[rebuflen - 1] == ')' ) {
 218                                 rebuf[--rebuflen] = '\0';
 219                         }
 220                         if ( rebuflen == be->be_nsuffix[0].bv_len ) {
 221                                 rc = ACL_SCOPE_WARN;
 222                                 goto regex_done;
 223                         }
 224
 225                         /* not a clear indication of scoping error, though */
 226                         rc = regexec( &re, rebuf, 0, NULL, 0 )
 227                                 ? ACL_SCOPE_WARN : ACL_SCOPE_OK;
 228
 229 regex_done:;
 230                         regfree( &re );
 231                         return rc;
 232                 }
 233
 234                 patlen = a->acl_dn_pat.bv_len;
 235                 /* If backend suffix is longer than pattern,
 236                  * it is a potential mismatch (in the sense
 237                  * that a superior naming context could
 238                  * match */
 239                 if ( dn.bv_len > patlen ) {
 240                         /* base is blatantly wrong */
 241                         if ( style == ACL_STYLE_BASE ) return ACL_SCOPE_ERR;
 242
 243                         /* a style of one can be wrong if there is
 244                          * more than one level between the suffix
 245                          * and the pattern */
 246                         if ( style == ACL_STYLE_ONE ) {
 247                                 int     rdnlen = -1, sep = 0;
 248
 249                                 if ( patlen > 0 ) {
 250                                         if ( !DN_SEPARATOR( dn.bv_val[dn.bv_len - patlen - 1] )) {
 251                                                 return ACL_SCOPE_ERR;
 252                                         }
 253                                         sep = 1;
 254                                 }
 255
 256                                 rdnlen = dn_rdnlen( NULL, &dn );
 257                                 if ( rdnlen != dn.bv_len - patlen - sep )
 258                                         return ACL_SCOPE_ERR;
 259                         }
 260
 261                         /* if the trailing part doesn't match,
 262                          * then it's an error */
 263                         if ( strcmp( a->acl_dn_pat.bv_val,
 264                                 &dn.bv_val[dn.bv_len - patlen] ) != 0 )
 265                         {
 266                                 return ACL_SCOPE_ERR;
 267                         }
 268
 269                         return ACL_SCOPE_PARTIAL;
 270                 }
 271
 272                 switch ( style ) {
 273                 case ACL_STYLE_BASE:
 274                 case ACL_STYLE_ONE:
 275                 case ACL_STYLE_CHILDREN:
 276                 case ACL_STYLE_SUBTREE:
 277                         break;
 278
 279                 default:
 280                         assert( 0 );
 281                         break;
 282                 }
 283
 284                 if ( dn.bv_len < patlen &&
 285                         !DN_SEPARATOR( a->acl_dn_pat.bv_val[patlen - dn.bv_len - 1] ))
 286                 {
 287                         return ACL_SCOPE_ERR;
 288                 }
 289
 290                 if ( strcmp( &a->acl_dn_pat.bv_val[patlen - dn.bv_len], dn.bv_val )
 291                         != 0 )
 292                 {
 293                         return ACL_SCOPE_ERR;
 294                 }
 295
 296                 return ACL_SCOPE_OK;
 297         }
 298
 299         return ACL_SCOPE_UNKNOWN;
 300 }
 301
 302 void
 303 parse_acl(
 304     Backend     *be,
 305     const char  *fname,
 306     int         lineno,
 307     int         argc,
 308     char        **argv )
 309 {
 310         int             i;
 311         char            *left, *right, *style, *next;
 312         struct berval   bv;
 313         AccessControl   *a;
 314         Access  *b;
 315         int rc;
 316         const char *text;
 317
 318         a = NULL;
 319         for ( i = 1; i < argc; i++ ) {
 320                 /* to clause - select which entries are protected */
 321                 if ( strcasecmp( argv[i], "to" ) == 0 ) {
 322                         if ( a != NULL ) {
 323                                 fprintf( stderr, "%s: line %d: "
 324                                         "only one to clause allowed in access line\n",
 325                                     fname, lineno );
 326                                 acl_usage();
 327                         }
 328                         a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
 329                         for ( ++i; i < argc; i++ ) {
 330                                 if ( strcasecmp( argv[i], "by" ) == 0 ) {
 331                                         i--;
 332                                         break;
 333                                 }
 334
 335                                 if ( strcasecmp( argv[i], "*" ) == 0 ) {
 336                                         if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
 337                                                 a->acl_dn_style != ACL_STYLE_REGEX )
 338                                         {
 339                                                 fprintf( stderr,
 340                                                         "%s: line %d: dn pattern"
 341                                                         " already specified in to clause.\n",
 342                                                         fname, lineno );
 343                                                 acl_usage();
 344                                         }
 345
 346                                         ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
 347                                         continue;
 348                                 }
 349
 350                                 split( argv[i], '=', &left, &right );
 351                                 split( left, '.', &left, &style );
 352
 353                                 if ( right == NULL ) {
 354                                         fprintf( stderr, "%s: line %d: "
 355                                                 "missing \"=\" in \"%s\" in to clause\n",
 356                                             fname, lineno, left );
 357                                         acl_usage();
 358                                 }
 359
 360                                 if ( strcasecmp( left, "dn" ) == 0 ) {
 361                                         if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
 362                                                 a->acl_dn_style != ACL_STYLE_REGEX )
 363                                         {
 364                                                 fprintf( stderr,
 365                                                         "%s: line %d: dn pattern"
 366                                                         " already specified in to clause.\n",
 367                                                         fname, lineno );
 368                                                 acl_usage();
 369                                         }
 370
 371                                         if ( style == NULL || *style == '\0' ||
 372                                                 strcasecmp( style, "baseObject" ) == 0 ||
 373                                                 strcasecmp( style, "base" ) == 0 ||
 374                                                 strcasecmp( style, "exact" ) == 0 )
 375                                         {
 376                                                 a->acl_dn_style = ACL_STYLE_BASE;
 377                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 378
 379                                         } else if ( strcasecmp( style, "oneLevel" ) == 0 ||
 380                                                 strcasecmp( style, "one" ) == 0 )
 381                                         {
 382                                                 a->acl_dn_style = ACL_STYLE_ONE;
 383                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 384
 385                                         } else if ( strcasecmp( style, "subtree" ) == 0 ||
 386                                                 strcasecmp( style, "sub" ) == 0 )
 387                                         {
 388                                                 if( *right == '\0' ) {
 389                                                         ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
 390
 391                                                 } else {
 392                                                         a->acl_dn_style = ACL_STYLE_SUBTREE;
 393                                                         ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 394                                                 }
 395
 396                                         } else if ( strcasecmp( style, "children" ) == 0 ) {
 397                                                 a->acl_dn_style = ACL_STYLE_CHILDREN;
 398                                                 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 399
 400                                         } else if ( strcasecmp( style, "regex" ) == 0 ) {
 401                                                 a->acl_dn_style = ACL_STYLE_REGEX;
 402
 403                                                 if ( *right == '\0' ) {
 404                                                         /* empty regex should match empty DN */
 405                                                         a->acl_dn_style = ACL_STYLE_BASE;
 406                                                         ber_str2bv( right, 0, 1, &a->acl_dn_pat );
 407
 408                                                 } else if ( strcmp(right, "*") == 0
 409                                                         || strcmp(right, ".*") == 0
 410                                                         || strcmp(right, ".*$") == 0
 411                                                         || strcmp(right, "^.*") == 0
 412                                                         || strcmp(right, "^.*$") == 0
 413                                                         || strcmp(right, ".*$$") == 0
 414                                                         || strcmp(right, "^.*$$") == 0 )
 415                                                 {
 416                                                         ber_str2bv( "*", STRLENOF("*"), 1, &a->acl_dn_pat );
 417
 418                                                 } else {
 419                                                         acl_regex_normalized_dn( right, &a->acl_dn_pat );
 420                                                 }
 421
 422                                         } else {
 423                                                 fprintf( stderr, "%s: line %d: "
 424                                                         "unknown dn style \"%s\" in to clause\n",
 425                                                     fname, lineno, style );
 426                                                 acl_usage();
 427                                         }
 428
 429                                         continue;
 430                                 }
 431
 432                                 if ( strcasecmp( left, "filter" ) == 0 ) {
 433                                         if ( (a->acl_filter = str2filter( right )) == NULL ) {
 434                                                 fprintf( stderr,
 435                                 "%s: line %d: bad filter \"%s\" in to clause\n",
 436                                                     fname, lineno, right );
 437                                                 acl_usage();
 438                                         }
 439
 440                                 } else if ( strcasecmp( left, "attr" ) == 0
 441                                                 || strcasecmp( left, "attrs" ) == 0 ) {
 442                                         a->acl_attrs = str2anlist( a->acl_attrs,
 443                                                 right, "," );
 444                                         if ( a->acl_attrs == NULL ) {
 445                                                 fprintf( stderr,
 446                                 "%s: line %d: unknown attr \"%s\" in to clause\n",
 447                                                     fname, lineno, right );
 448                                                 acl_usage();
 449                                         }
 450
 451                                 } else if ( strncasecmp( left, "val", 3 ) == 0 ) {
 452                                         if ( !BER_BVISEMPTY( &a->acl_attrval ) ) {
 453                                                 fprintf( stderr,
 454                                 "%s: line %d: attr val already specified in to clause.\n",
 455                                                         fname, lineno );
 456                                                 acl_usage();
 457                                         }
 458                                         if ( a->acl_attrs == NULL || !BER_BVISEMPTY( &a->acl_attrs[1].an_name ) )
 459                                         {
 460                                                 fprintf( stderr,
 461                                 "%s: line %d: attr val requires a single attribute.\n",
 462                                                         fname, lineno );
 463                                                 acl_usage();
 464                                         }
 465                                         ber_str2bv( right, 0, 1, &a->acl_attrval );
 466                                         if ( style && strcasecmp( style, "regex" ) == 0 ) {
 467                                                 int e = regcomp( &a->acl_attrval_re, a->acl_attrval.bv_val,
 468                                                         REG_EXTENDED | REG_ICASE | REG_NOSUB );
 469                                                 if ( e ) {
 470                                                         char buf[512];
 471                                                         regerror( e, &a->acl_attrval_re, buf, sizeof(buf) );
 472                                                         fprintf( stderr, "%s: line %d: "
 473                                                                 "regular expression \"%s\" bad because of %s\n",
 474                                                                 fname, lineno, right, buf );
 475                                                         acl_usage();
 476                                                 }
 477                                                 a->acl_attrval_style = ACL_STYLE_REGEX;
 478                                         } else {
 479                                                 /* FIXME: if the attribute has DN syntax, we might
 480                                                  * allow one, subtree and children styles as well */
 481                                                 if ( !strcasecmp( style, "exact" ) ) {
 482                                                         a->acl_attrval_style = ACL_STYLE_BASE;
 483
 484                                                 } else if ( a->acl_attrs[0].an_desc->ad_type->
 485                                                         sat_syntax == slap_schema.si_syn_distinguishedName )
 486                                                 {
 487                                                         if ( !strcasecmp( style, "baseObject" ) ||
 488                                                                 !strcasecmp( style, "base" ) )
 489                                                         {
 490                                                                 a->acl_attrval_style = ACL_STYLE_BASE;
 491                                                         } else if ( !strcasecmp( style, "onelevel" ) ||
 492                                                                 !strcasecmp( style, "one" ) )
 493                                                         {
 494                                                                 a->acl_attrval_style = ACL_STYLE_ONE;
 495                                                         } else if ( !strcasecmp( style, "subtree" ) ||
 496                                                                 !strcasecmp( style, "sub" ) )
 497                                                         {
 498                                                                 a->acl_attrval_style = ACL_STYLE_SUBTREE;
 499                                                         } else if ( !strcasecmp( style, "children" ) ) {
 500                                                                 a->acl_attrval_style = ACL_STYLE_CHILDREN;
 501                                                         } else {
 502                                                                 fprintf( stderr,
 503                                                                         "%s: line %d: unknown val.<style> \"%s\" "
 504                                                                         "for attributeType \"%s\" with DN syntax; "
 505                                                                         "using \"base\"\n",
 506                                                                         fname, lineno, style,
 507                                                                         a->acl_attrs[0].an_desc->ad_cname.bv_val );
 508                                                                 a->acl_attrval_style = ACL_STYLE_BASE;
 509                                                         }
 510
 511                                                 } else {
 512                                                         fprintf( stderr,
 513                                                                 "%s: line %d: unknown val.<style> \"%s\" "
 514                                                                 "for attributeType \"%s\"; using \"exact\"\n",
 515                                                                 fname, lineno, style,
 516                                                                 a->acl_attrs[0].an_desc->ad_cname.bv_val );
 517                                                         a->acl_attrval_style = ACL_STYLE_BASE;
 518                                                 }
 519                                         }
 520
 521                                 } else {
 522                                         fprintf( stderr,
 523                                                 "%s: line %d: expecting <what> got \"%s\"\n",
 524                                             fname, lineno, left );
 525                                         acl_usage();
 526                                 }
 527                         }
 528
 529                         if ( !BER_BVISNULL( &a->acl_dn_pat ) &&
 530                                         ber_bvccmp( &a->acl_dn_pat, '*' ) )
 531                         {
 532                                 free( a->acl_dn_pat.bv_val );
 533                                 BER_BVZERO( &a->acl_dn_pat );
 534                         }
 535
 536                         if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
 537                                         a->acl_dn_style != ACL_STYLE_REGEX )
 538                         {
 539                                 if ( a->acl_dn_style != ACL_STYLE_REGEX ) {
 540                                         struct berval bv;
 541                                         rc = dnNormalize( 0, NULL, NULL, &a->acl_dn_pat, &bv, NULL);
 542                                         if ( rc != LDAP_SUCCESS ) {
 543                                                 fprintf( stderr,
 544                                                         "%s: line %d: bad DN \"%s\" in to DN clause\n",
 545                                                         fname, lineno, a->acl_dn_pat.bv_val );
 546                                                 acl_usage();
 547                                         }
 548                                         free( a->acl_dn_pat.bv_val );
 549                                         a->acl_dn_pat = bv;
 550
 551                                 } else {
 552                                         int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
 553                                                 REG_EXTENDED | REG_ICASE );
 554                                         if ( e ) {
 555                                                 char buf[512];
 556                                                 regerror( e, &a->acl_dn_re, buf, sizeof(buf) );
 557                                                 fprintf( stderr, "%s: line %d: "
 558                                                         "regular expression \"%s\" bad because of %s\n",
 559                                                         fname, lineno, right, buf );
 560                                                 acl_usage();
 561                                         }
 562                                 }
 563                         }
 564
 565                 /* by clause - select who has what access to entries */
 566                 } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
 567                         if ( a == NULL ) {
 568                                 fprintf( stderr, "%s: line %d: "
 569                                         "to clause required before by clause in access line\n",
 570                                     fname, lineno );
 571                                 acl_usage();
 572                         }
 573
 574                         /*
 575                          * by clause consists of <who> and <access>
 576                          */
 577
 578                         b = (Access *) ch_calloc( 1, sizeof(Access) );
 579
 580                         ACL_INVALIDATE( b->a_access_mask );
 581
 582                         if ( ++i == argc ) {
 583                                 fprintf( stderr,
 584                             "%s: line %d: premature eol: expecting <who>\n",
 585                                     fname, lineno );
 586                                 acl_usage();
 587                         }
 588
 589                         /* get <who> */
 590                         for ( ; i < argc; i++ ) {
 591                                 slap_style_t    sty = ACL_STYLE_REGEX;
 592                                 char            *style_modifier = NULL;
 593                                 char            *style_level = NULL;
 594                                 int             level = 0;
 595                                 int             expand = 0;
 596                                 slap_dn_access  *bdn = &b->a_dn;
 597                                 int             is_realdn = 0;
 598
 599                                 split( argv[i], '=', &left, &right );
 600                                 split( left, '.', &left, &style );
 601                                 if ( style ) {
 602                                         split( style, ',', &style, &style_modifier );
 603
 604                                         if ( strncasecmp( style, "level", STRLENOF( "level" ) ) == 0 ) {
 605                                                 split( style, '{', &style, &style_level );
 606                                                 if ( style_level != NULL ) {
 607                                                         char *p = strchr( style_level, '}' );
 608                                                         if ( p == NULL ) {
 609                                                                 fprintf( stderr,
 610                                                                         "%s: line %d: premature eol: "
 611                                                                         "expecting closing '}' in \"level{n}\"\n",
 612                                                                         fname, lineno );
 613                                                                 acl_usage();
 614                                                         } else if ( p == style_level ) {
 615                                                                 fprintf( stderr,
 616                                                                         "%s: line %d: empty level "
 617                                                                         "in \"level{n}\"\n",
 618                                                                         fname, lineno );
 619                                                                 acl_usage();
 620                                                         }
 621                                                         p[0] = '\0';
 622                                                 }
 623                                         }
 624                                 }
 625
 626                                 if ( style == NULL || *style == '\0' ||
 627                                         strcasecmp( style, "exact" ) == 0 ||
 628                                         strcasecmp( style, "baseObject" ) == 0 ||
 629                                         strcasecmp( style, "base" ) == 0 )
 630                                 {
 631                                         sty = ACL_STYLE_BASE;
 632
 633                                 } else if ( strcasecmp( style, "onelevel" ) == 0 ||
 634                                         strcasecmp( style, "one" ) == 0 )
 635                                 {
 636                                         sty = ACL_STYLE_ONE;
 637
 638                                 } else if ( strcasecmp( style, "subtree" ) == 0 ||
 639                                         strcasecmp( style, "sub" ) == 0 )
 640                                 {
 641                                         sty = ACL_STYLE_SUBTREE;
 642
 643                                 } else if ( strcasecmp( style, "children" ) == 0 ) {
 644                                         sty = ACL_STYLE_CHILDREN;
 645
 646                                 } else if ( strcasecmp( style, "level" ) == 0 )
 647                                 {
 648                                         char    *next;
 649
 650                                         level = strtol( style_level, &next, 10 );
 651                                         if ( next[0] != '\0' ) {
 652                                                 fprintf( stderr,
 653                                                         "%s: line %d: unable to parse level "
 654                                                         "in \"level{n}\"\n",
 655                                                         fname, lineno );
 656                                                 acl_usage();
 657                                         }
 658
 659                                         sty = ACL_STYLE_LEVEL;
 660
 661                                 } else if ( strcasecmp( style, "regex" ) == 0 ) {
 662                                         sty = ACL_STYLE_REGEX;
 663
 664                                 } else if ( strcasecmp( style, "expand" ) == 0 ) {
 665                                         sty = ACL_STYLE_EXPAND;
 666
 667                                 } else if ( strcasecmp( style, "ip" ) == 0 ) {
 668                                         sty = ACL_STYLE_IP;
 669
 670                                 } else if ( strcasecmp( style, "path" ) == 0 ) {
 671                                         sty = ACL_STYLE_PATH;
 672 #ifndef LDAP_PF_LOCAL
 673                                         fprintf( stderr, "%s: line %d: "
 674                                                 "path style modifier is useless without local\n",
 675                                                 fname, lineno );
 676 #endif /* LDAP_PF_LOCAL */
 677
 678                                 } else {
 679                                         fprintf( stderr,
 680                                                 "%s: line %d: unknown style \"%s\" in by clause\n",
 681                                             fname, lineno, style );
 682                                         acl_usage();
 683                                 }
 684
 685                                 if ( style_modifier &&
 686                                         strcasecmp( style_modifier, "expand" ) == 0 )
 687                                 {
 688                                         switch ( sty ) {
 689                                         case ACL_STYLE_REGEX:
 690                                                 fprintf( stderr, "%s: line %d: "
 691                                                         "\"regex\" style implies "
 692                                                         "\"expand\" modifier (ignored)\n",
 693                                                         fname, lineno );
 694                                                 break;
 695
 696                                         case ACL_STYLE_EXPAND:
 697 #if 0
 698                                                 /* FIXME: now it's legal... */
 699                                                 fprintf( stderr, "%s: line %d: "
 700                                                         "\"expand\" style used "
 701                                                         "in conjunction with "
 702                                                         "\"expand\" modifier (ignored)\n",
 703                                                         fname, lineno );
 704 #endif
 705                                                 break;
 706
 707                                         default:
 708                                                 /* we'll see later if it's pertinent */
 709                                                 expand = 1;
 710                                                 break;
 711                                         }
 712                                 }
 713
 714                                 /* expand in <who> needs regex in <what> */
 715                                 if ( ( sty == ACL_STYLE_EXPAND || expand )
 716                                                 && a->acl_dn_style != ACL_STYLE_REGEX )
 717                                 {
 718                                         fprintf( stderr, "%s: line %d: "
 719                                                 "\"expand\" style or modifier used "
 720                                                 "in conjunction with "
 721                                                 "a non-regex <what> clause\n",
 722                                                 fname, lineno );
 723                                 }
 724
 725                                 if ( strncasecmp( left, "real", STRLENOF( "real" ) ) == 0 ) {
 726                                         is_realdn = 1;
 727                                         bdn = &b->a_realdn;
 728                                         left += STRLENOF( "real" );
 729                                 }
 730
 731                                 if ( strcasecmp( left, "*" ) == 0 ) {
 732                                         if ( is_realdn ) {
 733                                                 acl_usage();
 734                                         }
 735
 736                                         ber_str2bv( "*", STRLENOF( "*" ), 1, &bv );
 737                                         sty = ACL_STYLE_REGEX;
 738
 739                                 } else if ( strcasecmp( left, "anonymous" ) == 0 ) {
 740                                         ber_str2bv("anonymous", STRLENOF( "anonymous" ), 1, &bv);
 741                                         sty = ACL_STYLE_ANONYMOUS;
 742
 743                                 } else if ( strcasecmp( left, "users" ) == 0 ) {
 744                                         ber_str2bv("users", STRLENOF( "users" ), 1, &bv);
 745                                         sty = ACL_STYLE_USERS;
 746
 747                                 } else if ( strcasecmp( left, "self" ) == 0 ) {
 748                                         ber_str2bv("self", STRLENOF( "self" ), 1, &bv);
 749                                         sty = ACL_STYLE_SELF;
 750
 751                                 } else if ( strcasecmp( left, "dn" ) == 0 ) {
 752                                         if ( sty == ACL_STYLE_REGEX ) {
 753                                                 bdn->a_style = ACL_STYLE_REGEX;
 754                                                 if ( right == NULL ) {
 755                                                         /* no '=' */
 756                                                         ber_str2bv("users",
 757                                                                 STRLENOF( "users" ),
 758                                                                 1, &bv);
 759                                                         bdn->a_style = ACL_STYLE_USERS;
 760
 761                                                 } else if (*right == '\0' ) {
 762                                                         /* dn="" */
 763                                                         ber_str2bv("anonymous",
 764                                                                 STRLENOF( "anonymous" ),
 765                                                                 1, &bv);
 766                                                         bdn->a_style = ACL_STYLE_ANONYMOUS;
 767
 768                                                 } else if ( strcmp( right, "*" ) == 0 ) {
 769                                                         /* dn=* */
 770                                                         /* any or users?  users for now */
 771                                                         ber_str2bv("users",
 772                                                                 STRLENOF( "users" ),
 773                                                                 1, &bv);
 774                                                         bdn->a_style = ACL_STYLE_USERS;
 775
 776                                                 } else if ( strcmp( right, ".+" ) == 0
 777                                                         || strcmp( right, "^.+" ) == 0
 778                                                         || strcmp( right, ".+$" ) == 0
 779                                                         || strcmp( right, "^.+$" ) == 0
 780                                                         || strcmp( right, ".+$$" ) == 0
 781                                                         || strcmp( right, "^.+$$" ) == 0 )
 782                                                 {
 783                                                         ber_str2bv("users",
 784                                                                 STRLENOF( "users" ),
 785                                                                 1, &bv);
 786                                                         bdn->a_style = ACL_STYLE_USERS;
 787
 788                                                 } else if ( strcmp( right, ".*" ) == 0
 789                                                         || strcmp( right, "^.*" ) == 0
 790                                                         || strcmp( right, ".*$" ) == 0
 791                                                         || strcmp( right, "^.*$" ) == 0
 792                                                         || strcmp( right, ".*$$" ) == 0
 793                                                         || strcmp( right, "^.*$$" ) == 0 )
 794                                                 {
 795                                                         ber_str2bv("*",
 796                                                                 STRLENOF( "*" ),
 797                                                                 1, &bv);
 798
 799                                                 } else {
 800                                                         acl_regex_normalized_dn( right, &bv );
 801                                                         if ( !ber_bvccmp( &bv, '*' ) ) {
 802                                                                 regtest( fname, lineno, bv.bv_val );
 803                                                         }
 804                                                 }
 805
 806                                         } else if ( right == NULL || *right == '\0' ) {
 807                                                 fprintf( stderr, "%s: line %d: "
 808                                                         "missing \"=\" in (or value after) \"%s\" "
 809                                                         "in by clause\n",
 810                                                     fname, lineno, left );
 811                                                 acl_usage();
 812
 813                                         } else {
 814                                                 ber_str2bv( right, 0, 1, &bv );
 815                                         }
 816
 817                                 } else {
 818                                         BER_BVZERO( &bv );
 819                                 }
 820
 821                                 if ( !BER_BVISNULL( &bv ) ) {
 822                                         if ( !BER_BVISEMPTY( &bdn->a_pat ) ) {
 823                                                 fprintf( stderr,
 824                                                     "%s: line %d: dn pattern already specified.\n",
 825                                                     fname, lineno );
 826                                                 acl_usage();
 827                                         }
 828
 829                                         if ( sty != ACL_STYLE_REGEX &&
 830                                                         sty != ACL_STYLE_ANONYMOUS &&
 831                                                         sty != ACL_STYLE_USERS &&
 832                                                         sty != ACL_STYLE_SELF &&
 833                                                         expand == 0 )
 834                                         {
 835                                                 rc = dnNormalize(0, NULL, NULL,
 836                                                         &bv, &bdn->a_pat, NULL);
 837                                                 if ( rc != LDAP_SUCCESS ) {
 838                                                         fprintf( stderr,
 839                                                                 "%s: line %d: bad DN \"%s\" in by DN clause\n",
 840                                                                 fname, lineno, bv.bv_val );
 841                                                         acl_usage();
 842                                                 }
 843                                                 free( bv.bv_val );
 844
 845                                         } else {
 846                                                 bdn->a_pat = bv;
 847                                         }
 848                                         bdn->a_style = sty;
 849                                         bdn->a_expand = expand;
 850                                         if ( sty == ACL_STYLE_SELF ) {
 851                                                 bdn->a_self_level = level;
 852
 853                                         } else {
 854                                                 if ( level < 0 ) {
 855                                                         fprintf( stderr,
 856                                                                 "%s: line %d: bad negative level \"%d\" "
 857                                                                 "in by DN clause\n",
 858                                                                 fname, lineno, level );
 859                                                         acl_usage();
 860                                                 } else if ( level == 1 ) {
 861                                                         fprintf( stderr,
 862                                                                 "%s: line %d: \"onelevel\" should be used "
 863                                                                 "instead of \"level{1}\" in by DN clause\n",
 864                                                                 fname, lineno, 0 );
 865                                                 } else if ( level == 0 && sty == ACL_STYLE_LEVEL ) {
 866                                                         fprintf( stderr,
 867                                                                 "%s: line %d: \"base\" should be used "
 868                                                                 "instead of \"level{0}\" in by DN clause\n",
 869                                                                 fname, lineno, 0 );
 870                                                 }
 871
 872                                                 bdn->a_level = level;
 873                                         }
 874                                         continue;
 875                                 }
 876
 877                                 if ( strcasecmp( left, "dnattr" ) == 0 ) {
 878                                         if ( right == NULL || right[0] == '\0' ) {
 879                                                 fprintf( stderr, "%s: line %d: "
 880                                                         "missing \"=\" in (or value after) \"%s\" "
 881                                                         "in by clause\n",
 882                                                         fname, lineno, left );
 883                                                 acl_usage();
 884                                         }
 885
 886                                         if( bdn->a_at != NULL ) {
 887                                                 fprintf( stderr,
 888                                                         "%s: line %d: dnattr already specified.\n",
 889                                                         fname, lineno );
 890                                                 acl_usage();
 891                                         }
 892
 893                                         rc = slap_str2ad( right, &bdn->a_at, &text );
 894
 895                                         if( rc != LDAP_SUCCESS ) {
 896                                                 fprintf( stderr,
 897                                                         "%s: line %d: dnattr \"%s\": %s\n",
 898                                                         fname, lineno, right, text );
 899                                                 acl_usage();
 900                                         }
 901
 902
 903                                         if( !is_at_syntax( bdn->a_at->ad_type,
 904                                                 SLAPD_DN_SYNTAX ) &&
 905                                                 !is_at_syntax( bdn->a_at->ad_type,
 906                                                 SLAPD_NAMEUID_SYNTAX ))
 907                                         {
 908                                                 fprintf( stderr,
 909                                                         "%s: line %d: dnattr \"%s\": "
 910                                                         "inappropriate syntax: %s\n",
 911                                                         fname, lineno, right,
 912                                                         bdn->a_at->ad_type->sat_syntax_oid );
 913                                                 acl_usage();
 914                                         }
 915
 916                                         if( bdn->a_at->ad_type->sat_equality == NULL ) {
 917                                                 fprintf( stderr,
 918                                                         "%s: line %d: dnattr \"%s\": "
 919                                                         "inappropriate matching (no EQUALITY)\n",
 920                                                         fname, lineno, right );
 921                                                 acl_usage();
 922                                         }
 923
 924                                         continue;
 925                                 }
 926
 927                                 if ( strncasecmp( left, "group", STRLENOF( "group" ) ) == 0 ) {
 928                                         char *name = NULL;
 929                                         char *value = NULL;
 930
 931                                         switch ( sty ) {
 932                                         case ACL_STYLE_REGEX:
 933                                                 /* legacy, tolerated */
 934                                                 fprintf( stderr, "%s: line %d: "
 935                                                         "deprecated group style \"regex\"; "
 936                                                         "use \"expand\" instead\n",
 937                                                         fname, lineno, style );
 938                                                 sty = ACL_STYLE_EXPAND;
 939                                                 break;
 940
 941                                         case ACL_STYLE_BASE:
 942                                                 /* legal, traditional */
 943                                         case ACL_STYLE_EXPAND:
 944                                                 /* legal, substring expansion; supersedes regex */
 945                                                 break;
 946
 947                                         default:
 948                                                 /* unknown */
 949                                                 fprintf( stderr, "%s: line %d: "
 950                                                         "inappropriate style \"%s\" in by clause\n",
 951                                                         fname, lineno, style );
 952                                                 acl_usage();
 953                                         }
 954
 955                                         if ( right == NULL || right[0] == '\0' ) {
 956                                                 fprintf( stderr, "%s: line %d: "
 957                                                         "missing \"=\" in (or value after) \"%s\" "
 958                                                         "in by clause\n",
 959                                                         fname, lineno, left );
 960                                                 acl_usage();
 961                                         }
 962
 963                                         if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
 964                                                 fprintf( stderr,
 965                                                         "%s: line %d: group pattern already specified.\n",
 966                                                         fname, lineno );
 967                                                 acl_usage();
 968                                         }
 969
 970                                         /* format of string is
 971                                                 "group/objectClassValue/groupAttrName" */
 972                                         if ( ( value = strchr(left, '/') ) != NULL ) {
 973                                                 *value++ = '\0';
 974                                                 if ( *value && ( name = strchr( value, '/' ) ) != NULL ) {
 975                                                         *name++ = '\0';
 976                                                 }
 977                                         }
 978
 979                                         b->a_group_style = sty;
 980                                         if ( sty == ACL_STYLE_EXPAND ) {
 981                                                 acl_regex_normalized_dn( right, &bv );
 982                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
 983                                                         regtest( fname, lineno, bv.bv_val );
 984                                                 }
 985                                                 b->a_group_pat = bv;
 986
 987                                         } else {
 988                                                 ber_str2bv( right, 0, 0, &bv );
 989                                                 rc = dnNormalize( 0, NULL, NULL, &bv,
 990                                                         &b->a_group_pat, NULL );
 991                                                 if ( rc != LDAP_SUCCESS ) {
 992                                                         fprintf( stderr,
 993                                                                 "%s: line %d: bad DN \"%s\"\n",
 994                                                                 fname, lineno, right );
 995                                                         acl_usage();
 996                                                 }
 997                                         }
 998
 999                                         if ( value && *value ) {
1000                                                 b->a_group_oc = oc_find( value );
1001                                                 *--value = '/';
1002
1003                                                 if ( b->a_group_oc == NULL ) {
1004                                                         fprintf( stderr,
1005                                                                 "%s: line %d: group objectclass "
1006                                                                 "\"%s\" unknown\n",
1007                                                                 fname, lineno, value );
1008                                                         acl_usage();
1009                                                 }
1010
1011                                         } else {
1012                                                 b->a_group_oc = oc_find(SLAPD_GROUP_CLASS);
1013
1014                                                 if( b->a_group_oc == NULL ) {
1015                                                         fprintf( stderr,
1016                                                                 "%s: line %d: group default objectclass "
1017                                                                 "\"%s\" unknown\n",
1018                                                                 fname, lineno, SLAPD_GROUP_CLASS );
1019                                                         acl_usage();
1020                                                 }
1021                                         }
1022
1023                                         if ( is_object_subclass( slap_schema.si_oc_referral,
1024                                                 b->a_group_oc ) )
1025                                         {
1026                                                 fprintf( stderr,
1027                                                         "%s: line %d: group objectclass \"%s\" "
1028                                                         "is subclass of referral\n",
1029                                                         fname, lineno, value );
1030                                                 acl_usage();
1031                                         }
1032
1033                                         if ( is_object_subclass( slap_schema.si_oc_alias,
1034                                                 b->a_group_oc ) )
1035                                         {
1036                                                 fprintf( stderr,
1037                                                         "%s: line %d: group objectclass \"%s\" "
1038                                                         "is subclass of alias\n",
1039                                                         fname, lineno, value );
1040                                                 acl_usage();
1041                                         }
1042
1043                                         if ( name && *name ) {
1044                                                 rc = slap_str2ad( name, &b->a_group_at, &text );
1045
1046                                                 if( rc != LDAP_SUCCESS ) {
1047                                                         fprintf( stderr,
1048                                                                 "%s: line %d: group \"%s\": %s\n",
1049                                                                 fname, lineno, right, text );
1050                                                         acl_usage();
1051                                                 }
1052                                                 *--name = '/';
1053
1054                                         } else {
1055                                                 rc = slap_str2ad( SLAPD_GROUP_ATTR, &b->a_group_at, &text );
1056
1057                                                 if ( rc != LDAP_SUCCESS ) {
1058                                                         fprintf( stderr,
1059                                                                 "%s: line %d: group \"%s\": %s\n",
1060                                                                 fname, lineno, SLAPD_GROUP_ATTR, text );
1061                                                         acl_usage();
1062                                                 }
1063                                         }
1064
1065                                         if ( !is_at_syntax( b->a_group_at->ad_type,
1066                                                 SLAPD_DN_SYNTAX ) &&
1067                                                 !is_at_syntax( b->a_group_at->ad_type,
1068                                                 SLAPD_NAMEUID_SYNTAX ) &&
1069                                                 !is_at_subtype( b->a_group_at->ad_type, slap_schema.si_ad_labeledURI->ad_type ) )
1070                                         {
1071                                                 fprintf( stderr,
1072                                                         "%s: line %d: group \"%s\": inappropriate syntax: %s\n",
1073                                                         fname, lineno, right,
1074                                                         b->a_group_at->ad_type->sat_syntax_oid );
1075                                                 acl_usage();
1076                                         }
1077
1078
1079                                         {
1080                                                 int rc;
1081                                                 struct berval vals[2];
1082
1083                                                 ber_str2bv( b->a_group_oc->soc_oid, 0, 0, &vals[0] );
1084                                                 BER_BVZERO( &vals[1] );
1085
1086                                                 rc = oc_check_allowed( b->a_group_at->ad_type,
1087                                                         vals, NULL );
1088
1089                                                 if( rc != 0 ) {
1090                                                         fprintf( stderr, "%s: line %d: "
1091                                                                 "group: \"%s\" not allowed by \"%s\"\n",
1092                                                                 fname, lineno,
1093                                                                 b->a_group_at->ad_cname.bv_val,
1094                                                                 b->a_group_oc->soc_oid );
1095                                                         acl_usage();
1096                                                 }
1097                                         }
1098                                         continue;
1099                                 }
1100
1101                                 if ( strcasecmp( left, "peername" ) == 0 ) {
1102                                         switch ( sty ) {
1103                                         case ACL_STYLE_REGEX:
1104                                         case ACL_STYLE_BASE:
1105                                                 /* legal, traditional */
1106                                         case ACL_STYLE_EXPAND:
1107                                                 /* cheap replacement to regex for simple expansion */
1108                                         case ACL_STYLE_IP:
1109                                         case ACL_STYLE_PATH:
1110                                                 /* legal, peername specific */
1111                                                 break;
1112
1113                                         default:
1114                                                 fprintf( stderr, "%s: line %d: "
1115                                                         "inappropriate style \"%s\" in by clause\n",
1116                                                     fname, lineno, style );
1117                                                 acl_usage();
1118                                         }
1119
1120                                         if ( right == NULL || right[0] == '\0' ) {
1121                                                 fprintf( stderr, "%s: line %d: "
1122                                                         "missing \"=\" in (or value after) \"%s\" "
1123                                                         "in by clause\n",
1124                                                         fname, lineno, left );
1125                                                 acl_usage();
1126                                         }
1127
1128                                         if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
1129                                                 fprintf( stderr, "%s: line %d: "
1130                                                         "peername pattern already specified.\n",
1131                                                         fname, lineno );
1132                                                 acl_usage();
1133                                         }
1134
1135                                         b->a_peername_style = sty;
1136                                         if ( sty == ACL_STYLE_REGEX ) {
1137                                                 acl_regex_normalized_dn( right, &bv );
1138                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1139                                                         regtest( fname, lineno, bv.bv_val );
1140                                                 }
1141                                                 b->a_peername_pat = bv;
1142
1143                                         } else {
1144                                                 ber_str2bv( right, 0, 1, &b->a_peername_pat );
1145
1146                                                 if ( sty == ACL_STYLE_IP ) {
1147                                                         char            *addr = NULL,
1148                                                                         *mask = NULL,
1149                                                                         *port = NULL;
1150
1151                                                         split( right, '{', &addr, &port );
1152                                                         split( addr, '%', &addr, &mask );
1153
1154                                                         b->a_peername_addr = inet_addr( addr );
1155                                                         if ( b->a_peername_addr == (unsigned long)(-1) ) {
1156                                                                 /* illegal address */
1157                                                                 fprintf( stderr, "%s: line %d: "
1158                                                                         "illegal peername address \"%s\".\n",
1159                                                                         fname, lineno, addr );
1160                                                                 acl_usage();
1161                                                         }
1162
1163                                                         b->a_peername_mask = (unsigned long)(-1);
1164                                                         if ( mask != NULL ) {
1165                                                                 b->a_peername_mask = inet_addr( mask );
1166                                                                 if ( b->a_peername_mask ==
1167                                                                         (unsigned long)(-1) )
1168                                                                 {
1169                                                                         /* illegal mask */
1170                                                                         fprintf( stderr, "%s: line %d: "
1171                                                                                 "illegal peername address mask "
1172                                                                                 "\"%s\".\n",
1173                                                                                 fname, lineno, mask );
1174                                                                         acl_usage();
1175                                                                 }
1176                                                         }
1177
1178                                                         b->a_peername_port = -1;
1179                                                         if ( port ) {
1180                                                                 char    *end = NULL;
1181
1182                                                                 b->a_peername_port = strtol( port, &end, 10 );
1183                                                                 if ( end[0] != '}' ) {
1184                                                                         /* illegal port */
1185                                                                         fprintf( stderr, "%s: line %d: "
1186                                                                                 "illegal peername port specification "
1187                                                                                 "\"{%s}\".\n",
1188                                                                                 fname, lineno, port );
1189                                                                         acl_usage();
1190                                                                 }
1191                                                         }
1192                                                 }
1193                                         }
1194                                         continue;
1195                                 }
1196
1197                                 if ( strcasecmp( left, "sockname" ) == 0 ) {
1198                                         switch ( sty ) {
1199                                         case ACL_STYLE_REGEX:
1200                                         case ACL_STYLE_BASE:
1201                                                 /* legal, traditional */
1202                                         case ACL_STYLE_EXPAND:
1203                                                 /* cheap replacement to regex for simple expansion */
1204                                                 break;
1205
1206                                         default:
1207                                                 /* unknown */
1208                                                 fprintf( stderr, "%s: line %d: "
1209                                                         "inappropriate style \"%s\" in by clause\n",
1210                                                     fname, lineno, style );
1211                                                 acl_usage();
1212                                         }
1213
1214                                         if ( right == NULL || right[0] == '\0' ) {
1215                                                 fprintf( stderr, "%s: line %d: "
1216                                                         "missing \"=\" in (or value after) \"%s\" "
1217                                                         "in by clause\n",
1218                                                         fname, lineno, left );
1219                                                 acl_usage();
1220                                         }
1221
1222                                         if ( !BER_BVISNULL( &b->a_sockname_pat ) ) {
1223                                                 fprintf( stderr, "%s: line %d: "
1224                                                         "sockname pattern already specified.\n",
1225                                                         fname, lineno );
1226                                                 acl_usage();
1227                                         }
1228
1229                                         b->a_sockname_style = sty;
1230                                         if ( sty == ACL_STYLE_REGEX ) {
1231                                                 acl_regex_normalized_dn( right, &bv );
1232                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1233                                                         regtest( fname, lineno, bv.bv_val );
1234                                                 }
1235                                                 b->a_sockname_pat = bv;
1236
1237                                         } else {
1238                                                 ber_str2bv( right, 0, 1, &b->a_sockname_pat );
1239                                         }
1240                                         continue;
1241                                 }
1242
1243                                 if ( strcasecmp( left, "domain" ) == 0 ) {
1244                                         switch ( sty ) {
1245                                         case ACL_STYLE_REGEX:
1246                                         case ACL_STYLE_BASE:
1247                                         case ACL_STYLE_SUBTREE:
1248                                                 /* legal, traditional */
1249                                                 break;
1250
1251                                         case ACL_STYLE_EXPAND:
1252                                                 /* tolerated: means exact,expand */
1253                                                 if ( expand ) {
1254                                                         fprintf( stderr,
1255                                                                 "%s: line %d: "
1256                                                                 "\"expand\" modifier "
1257                                                                 "with \"expand\" style\n",
1258                                                                 fname, lineno );
1259                                                 }
1260                                                 sty = ACL_STYLE_BASE;
1261                                                 expand = 1;
1262                                                 break;
1263
1264                                         default:
1265                                                 /* unknown */
1266                                                 fprintf( stderr, "%s: line %d: "
1267                                                         "inappropriate style \"%s\" in by clause\n",
1268                                                     fname, lineno, style );
1269                                                 acl_usage();
1270                                         }
1271
1272                                         if ( right == NULL || right[0] == '\0' ) {
1273                                                 fprintf( stderr, "%s: line %d: "
1274                                                         "missing \"=\" in (or value after) \"%s\" "
1275                                                         "in by clause\n",
1276                                                         fname, lineno, left );
1277                                                 acl_usage();
1278                                         }
1279
1280                                         if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
1281                                                 fprintf( stderr,
1282                                                         "%s: line %d: domain pattern already specified.\n",
1283                                                         fname, lineno );
1284                                                 acl_usage();
1285                                         }
1286
1287                                         b->a_domain_style = sty;
1288                                         b->a_domain_expand = expand;
1289                                         if ( sty == ACL_STYLE_REGEX ) {
1290                                                 acl_regex_normalized_dn( right, &bv );
1291                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1292                                                         regtest( fname, lineno, bv.bv_val );
1293                                                 }
1294                                                 b->a_domain_pat = bv;
1295
1296                                         } else {
1297                                                 ber_str2bv( right, 0, 1, &b->a_domain_pat );
1298                                         }
1299                                         continue;
1300                                 }
1301
1302                                 if ( strcasecmp( left, "sockurl" ) == 0 ) {
1303                                         switch ( sty ) {
1304                                         case ACL_STYLE_REGEX:
1305                                         case ACL_STYLE_BASE:
1306                                                 /* legal, traditional */
1307                                         case ACL_STYLE_EXPAND:
1308                                                 /* cheap replacement to regex for simple expansion */
1309                                                 break;
1310
1311                                         default:
1312                                                 /* unknown */
1313                                                 fprintf( stderr, "%s: line %d: "
1314                                                         "inappropriate style \"%s\" in by clause\n",
1315                                                     fname, lineno, style );
1316                                                 acl_usage();
1317                                         }
1318
1319                                         if ( right == NULL || right[0] == '\0' ) {
1320                                                 fprintf( stderr, "%s: line %d: "
1321                                                         "missing \"=\" in (or value after) \"%s\" "
1322                                                         "in by clause\n",
1323                                                         fname, lineno, left );
1324                                                 acl_usage();
1325                                         }
1326
1327                                         if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
1328                                                 fprintf( stderr,
1329                                                         "%s: line %d: sockurl pattern already specified.\n",
1330                                                         fname, lineno );
1331                                                 acl_usage();
1332                                         }
1333
1334                                         b->a_sockurl_style = sty;
1335                                         if ( sty == ACL_STYLE_REGEX ) {
1336                                                 acl_regex_normalized_dn( right, &bv );
1337                                                 if ( !ber_bvccmp( &bv, '*' ) ) {
1338                                                         regtest( fname, lineno, bv.bv_val );
1339                                                 }
1340                                                 b->a_sockurl_pat = bv;
1341
1342                                         } else {
1343                                                 ber_str2bv( right, 0, 1, &b->a_sockurl_pat );
1344                                         }
1345                                         continue;
1346                                 }
1347
1348                                 if ( strcasecmp( left, "set" ) == 0 ) {
1349                                         switch ( sty ) {
1350                                                 /* deprecated */
1351                                         case ACL_STYLE_REGEX:
1352                                                 fprintf( stderr, "%s: line %d: "
1353                                                         "deprecated set style "
1354                                                         "\"regex\" in <by> clause; "
1355                                                         "use \"expand\" instead\n",
1356                                                         fname, lineno );
1357                                                 sty = ACL_STYLE_EXPAND;
1358                                                 /* FALLTHRU */
1359
1360                                         case ACL_STYLE_BASE:
1361                                         case ACL_STYLE_EXPAND:
1362                                                 break;
1363
1364                                         default:
1365                                                 fprintf( stderr, "%s: line %d: "
1366                                                         "inappropriate style \"%s\" in by clause\n",
1367                                                         fname, lineno, style );
1368                                                 acl_usage();
1369                                         }
1370
1371                                         if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
1372                                                 fprintf( stderr,
1373                                                         "%s: line %d: set attribute already specified.\n",
1374                                                         fname, lineno );
1375                                                 acl_usage();
1376                                         }
1377
1378                                         if ( right == NULL || *right == '\0' ) {
1379                                                 fprintf( stderr,
1380                                                         "%s: line %d: no set is defined\n",
1381                                                         fname, lineno );
1382                                                 acl_usage();
1383                                         }
1384
1385                                         b->a_set_style = sty;
1386                                         ber_str2bv( right, 0, 1, &b->a_set_pat );
1387
1388                                         continue;
1389                                 }
1390
1391 #ifdef SLAP_DYNACL
1392                                 {
1393                                         char            *name = NULL;
1394
1395                                         if ( strcasecmp( left, "aci" ) == 0 ) {
1396                                                 name = "aci";
1397
1398                                         } else if ( strncasecmp( left, "dynacl/", STRLENOF( "dynacl/" ) ) == 0 ) {
1399                                                 name = &left[ STRLENOF( "dynacl/" ) ];
1400                                         }
1401
1402                                         if ( name ) {
1403                                                 if ( slap_dynacl_config( fname, lineno, b, name, sty, right ) ) {
1404                                                         fprintf( stderr, "%s: line %d: "
1405                                                                 "unable to configure dynacl \"%s\"\n",
1406                                                                 fname, lineno, name );
1407                                                         acl_usage();
1408                                                 }
1409
1410                                                 continue;
1411                                         }
1412                                 }
1413 #else /* ! SLAP_DYNACL */
1414
1415 #ifdef SLAPD_ACI_ENABLED
1416                                 if ( strcasecmp( left, "aci" ) == 0 ) {
1417                                         if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
1418                                                 fprintf( stderr, "%s: line %d: "
1419                                                         "inappropriate style \"%s\" in by clause\n",
1420                                                     fname, lineno, style );
1421                                                 acl_usage();
1422                                         }
1423
1424                                         if( b->a_aci_at != NULL ) {
1425                                                 fprintf( stderr,
1426                                                         "%s: line %d: aci attribute already specified.\n",
1427                                                         fname, lineno );
1428                                                 acl_usage();
1429                                         }
1430
1431                                         if ( right != NULL && *right != '\0' ) {
1432                                                 rc = slap_str2ad( right, &b->a_aci_at, &text );
1433
1434                                                 if( rc != LDAP_SUCCESS ) {
1435                                                         fprintf( stderr,
1436                                                                 "%s: line %d: aci \"%s\": %s\n",
1437                                                                 fname, lineno, right, text );
1438                                                         acl_usage();
1439                                                 }
1440
1441                                         } else {
1442                                                 b->a_aci_at = slap_schema.si_ad_aci;
1443                                         }
1444
1445                                         if( !is_at_syntax( b->a_aci_at->ad_type,
1446                                                 SLAPD_ACI_SYNTAX) )
1447                                         {
1448                                                 fprintf( stderr, "%s: line %d: "
1449                                                         "aci \"%s\": inappropriate syntax: %s\n",
1450                                                         fname, lineno, right,
1451                                                         b->a_aci_at->ad_type->sat_syntax_oid );
1452                                                 acl_usage();
1453                                         }
1454
1455                                         continue;
1456                                 }
1457 #endif /* SLAPD_ACI_ENABLED */
1458 #endif /* ! SLAP_DYNACL */
1459
1460                                 if ( strcasecmp( left, "ssf" ) == 0 ) {
1461                                         if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1462                                                 fprintf( stderr, "%s: line %d: "
1463                                                         "inappropriate style \"%s\" in by clause\n",
1464                                                     fname, lineno, style );
1465                                                 acl_usage();
1466                                         }
1467
1468                                         if ( b->a_authz.sai_ssf ) {
1469                                                 fprintf( stderr,
1470                                                         "%s: line %d: ssf attribute already specified.\n",
1471                                                         fname, lineno );
1472                                                 acl_usage();
1473                                         }
1474
1475                                         if ( right == NULL || *right == '\0' ) {
1476                                                 fprintf( stderr,
1477                                                         "%s: line %d: no ssf is defined\n",
1478                                                         fname, lineno );
1479                                                 acl_usage();
1480                                         }
1481
1482                                         b->a_authz.sai_ssf = strtol( right, &next, 10 );
1483                                         if ( next == NULL || next[0] != '\0' ) {
1484                                                 fprintf( stderr,
1485                                                         "%s: line %d: unable to parse ssf value (%s)\n",
1486                                                         fname, lineno, right );
1487                                                 acl_usage();
1488                                         }
1489
1490                                         if ( !b->a_authz.sai_ssf ) {
1491                                                 fprintf( stderr,
1492                                                         "%s: line %d: invalid ssf value (%s)\n",
1493                                                         fname, lineno, right );
1494                                                 acl_usage();
1495                                         }
1496                                         continue;
1497                                 }
1498
1499                                 if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
1500                                         if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1501                                                 fprintf( stderr, "%s: line %d: "
1502                                                         "inappropriate style \"%s\" in by clause\n",
1503                                                         fname, lineno, style );
1504                                                 acl_usage();
1505                                         }
1506
1507                                         if ( b->a_authz.sai_transport_ssf ) {
1508                                                 fprintf( stderr, "%s: line %d: "
1509                                                         "transport_ssf attribute already specified.\n",
1510                                                         fname, lineno );
1511                                                 acl_usage();
1512                                         }
1513
1514                                         if ( right == NULL || *right == '\0' ) {
1515                                                 fprintf( stderr,
1516                                                         "%s: line %d: no transport_ssf is defined\n",
1517                                                         fname, lineno );
1518                                                 acl_usage();
1519                                         }
1520
1521                                         b->a_authz.sai_transport_ssf = strtol( right, &next, 10 );
1522                                         if ( next == NULL || next[0] != '\0' ) {
1523                                                 fprintf( stderr, "%s: line %d: "
1524                                                         "unable to parse transport_ssf value (%s)\n",
1525                                                         fname, lineno, right );
1526                                                 acl_usage();
1527                                         }
1528
1529                                         if ( !b->a_authz.sai_transport_ssf ) {
1530                                                 fprintf( stderr,
1531                                                         "%s: line %d: invalid transport_ssf value (%s)\n",
1532                                                         fname, lineno, right );
1533                                                 acl_usage();
1534                                         }
1535                                         continue;
1536                                 }
1537
1538                                 if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
1539                                         if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1540                                                 fprintf( stderr, "%s: line %d: "
1541                                                         "inappropriate style \"%s\" in by clause\n",
1542                                                         fname, lineno, style );
1543                                                 acl_usage();
1544                                         }
1545
1546                                         if ( b->a_authz.sai_tls_ssf ) {
1547                                                 fprintf( stderr, "%s: line %d: "
1548                                                         "tls_ssf attribute already specified.\n",
1549                                                         fname, lineno );
1550                                                 acl_usage();
1551                                         }
1552
1553                                         if ( right == NULL || *right == '\0' ) {
1554                                                 fprintf( stderr,
1555                                                         "%s: line %d: no tls_ssf is defined\n",
1556                                                         fname, lineno );
1557                                                 acl_usage();
1558                                         }
1559
1560                                         b->a_authz.sai_tls_ssf = strtol( right, &next, 10 );
1561                                         if ( next == NULL || next[0] != '\0' ) {
1562                                                 fprintf( stderr, "%s: line %d: "
1563                                                         "unable to parse tls_ssf value (%s)\n",
1564                                                         fname, lineno, right );
1565                                                 acl_usage();
1566                                         }
1567
1568                                         if ( !b->a_authz.sai_tls_ssf ) {
1569                                                 fprintf( stderr,
1570                                                         "%s: line %d: invalid tls_ssf value (%s)\n",
1571                                                         fname, lineno, right );
1572                                                 acl_usage();
1573                                         }
1574                                         continue;
1575                                 }
1576
1577                                 if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
1578                                         if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1579                                                 fprintf( stderr, "%s: line %d: "
1580                                                         "inappropriate style \"%s\" in by clause\n",
1581                                                         fname, lineno, style );
1582                                                 acl_usage();
1583                                         }
1584
1585                                         if ( b->a_authz.sai_sasl_ssf ) {
1586                                                 fprintf( stderr, "%s: line %d: "
1587                                                         "sasl_ssf attribute already specified.\n",
1588                                                         fname, lineno );
1589                                                 acl_usage();
1590                                         }
1591
1592                                         if ( right == NULL || *right == '\0' ) {
1593                                                 fprintf( stderr,
1594                                                         "%s: line %d: no sasl_ssf is defined\n",
1595                                                         fname, lineno );
1596                                                 acl_usage();
1597                                         }
1598
1599                                         b->a_authz.sai_sasl_ssf = strtol( right, &next, 10 );
1600                                         if ( next == NULL || next[0] != '\0' ) {
1601                                                 fprintf( stderr, "%s: line %d: "
1602                                                         "unable to parse sasl_ssf value (%s)\n",
1603                                                         fname, lineno, right );
1604                                                 acl_usage();
1605                                         }
1606
1607                                         if ( !b->a_authz.sai_sasl_ssf ) {
1608                                                 fprintf( stderr,
1609                                                         "%s: line %d: invalid sasl_ssf value (%s)\n",
1610                                                         fname, lineno, right );
1611                                                 acl_usage();
1612                                         }
1613                                         continue;
1614                                 }
1615
1616                                 if ( right != NULL ) {
1617                                         /* unsplit */
1618                                         right[-1] = '=';
1619                                 }
1620                                 break;
1621                         }
1622
1623                         if ( i == argc || ( strcasecmp( left, "stop" ) == 0 ) ) {
1624                                 /* out of arguments or plain stop */
1625
1626                                 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1627                                 b->a_type = ACL_STOP;
1628
1629                                 access_append( &a->acl_access, b );
1630                                 continue;
1631                         }
1632
1633                         if ( strcasecmp( left, "continue" ) == 0 ) {
1634                                 /* plain continue */
1635
1636                                 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1637                                 b->a_type = ACL_CONTINUE;
1638
1639                                 access_append( &a->acl_access, b );
1640                                 continue;
1641                         }
1642
1643                         if ( strcasecmp( left, "break" ) == 0 ) {
1644                                 /* plain continue */
1645
1646                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1647                                 b->a_type = ACL_BREAK;
1648
1649                                 access_append( &a->acl_access, b );
1650                                 continue;
1651                         }
1652
1653                         if ( strcasecmp( left, "by" ) == 0 ) {
1654                                 /* we've gone too far */
1655                                 --i;
1656                                 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1657                                 b->a_type = ACL_STOP;
1658
1659                                 access_append( &a->acl_access, b );
1660                                 continue;
1661                         }
1662
1663                         /* get <access> */
1664                         if ( strncasecmp( left, "self", STRLENOF( "self" ) ) == 0 ) {
1665                                 b->a_dn_self = 1;
1666                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[ STRLENOF( "self" ) ] ) );
1667
1668                         } else if ( strncasecmp( left, "realself", STRLENOF( "realself" ) ) == 0 ) {
1669                                 b->a_realdn_self = 1;
1670                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[ STRLENOF( "realself" ) ] ) );
1671
1672                         } else {
1673                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( left ) );
1674                         }
1675
1676                         if ( ACL_IS_INVALID( b->a_access_mask ) ) {
1677                                 fprintf( stderr,
1678                                         "%s: line %d: expecting <access> got \"%s\"\n",
1679                                         fname, lineno, left );
1680                                 acl_usage();
1681                         }
1682
1683                         b->a_type = ACL_STOP;
1684
1685                         if ( ++i == argc ) {
1686                                 /* out of arguments or plain stop */
1687                                 access_append( &a->acl_access, b );
1688                                 continue;
1689                         }
1690
1691                         if ( strcasecmp( argv[i], "continue" ) == 0 ) {
1692                                 /* plain continue */
1693                                 b->a_type = ACL_CONTINUE;
1694
1695                         } else if ( strcasecmp( argv[i], "break" ) == 0 ) {
1696                                 /* plain continue */
1697                                 b->a_type = ACL_BREAK;
1698
1699                         } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
1700                                 /* gone to far */
1701                                 i--;
1702                         }
1703
1704                         access_append( &a->acl_access, b );
1705
1706                 } else {
1707                         fprintf( stderr,
1708                                 "%s: line %d: expecting \"to\" "
1709                                 "or \"by\" got \"%s\"\n",
1710                                 fname, lineno, argv[i] );
1711                         acl_usage();
1712                 }
1713         }
1714
1715         /* if we have no real access clause, complain and do nothing */
1716         if ( a == NULL ) {
1717                 fprintf( stderr, "%s: line %d: "
1718                         "warning: no access clause(s) specified in access line\n",
1719                         fname, lineno );
1720
1721         } else {
1722 #ifdef LDAP_DEBUG
1723                 if ( ldap_debug & LDAP_DEBUG_ACL ) {
1724                         print_acl( be, a );
1725                 }
1726 #endif
1727
1728                 if ( a->acl_access == NULL ) {
1729                         fprintf( stderr, "%s: line %d: "
1730                                 "warning: no by clause(s) specified in access line\n",
1731                                 fname, lineno );
1732                 }
1733
1734                 if ( be != NULL ) {
1735                         if ( !BER_BVISNULL( &be->be_nsuffix[ 1 ] ) ) {
1736                                 fprintf( stderr, "%s: line %d: warning: "
1737                                         "scope checking only applies to single-valued "
1738                                         "suffix databases\n",
1739                                         fname, lineno );
1740                                 /* go ahead, since checking is not authoritative */
1741                         }
1742
1743                         switch ( check_scope( be, a ) ) {
1744                         case ACL_SCOPE_UNKNOWN:
1745                                 fprintf( stderr, "%s: line %d: warning: "
1746                                         "cannot assess the validity of the ACL scope within "
1747                                         "backend naming context\n",
1748                                         fname, lineno );
1749                                 break;
1750
1751                         case ACL_SCOPE_WARN:
1752                                 fprintf( stderr, "%s: line %d: warning: "
1753                                         "ACL could be out of scope within backend naming context\n",
1754                                         fname, lineno );
1755                                 break;
1756
1757                         case ACL_SCOPE_PARTIAL:
1758                                 fprintf( stderr, "%s: line %d: warning: "
1759                                         "ACL appears to be partially out of scope within "
1760                                         "backend naming context\n",
1761                                         fname, lineno );
1762                                 break;
1763
1764                         case ACL_SCOPE_ERR:
1765                                 fprintf( stderr, "%s: line %d: warning: "
1766                                         "ACL appears to be out of scope within "
1767                                         "backend naming context\n",
1768                                         fname, lineno );
1769                                 break;
1770
1771                         default:
1772                                 break;
1773                         }
1774                         acl_append( &be->be_acl, a );
1775
1776                 } else {
1777                         acl_append( &frontendDB->be_acl, a );
1778                 }
1779         }
1780 }
1781
1782 char *
1783 accessmask2str( slap_mask_t mask, char *buf, int debug )
1784 {
1785         int     none = 1;
1786         char    *ptr = buf;
1787
1788         assert( buf != NULL );
1789
1790         if ( ACL_IS_INVALID( mask ) ) {
1791                 return "invalid";
1792         }
1793
1794         buf[0] = '\0';
1795
1796         if ( ACL_IS_LEVEL( mask ) ) {
1797                 if ( ACL_LVL_IS_NONE(mask) ) {
1798                         ptr = lutil_strcopy( ptr, "none" );
1799
1800                 } else if ( ACL_LVL_IS_DISCLOSE(mask) ) {
1801                         ptr = lutil_strcopy( ptr, "disclose" );
1802
1803                 } else if ( ACL_LVL_IS_AUTH(mask) ) {
1804                         ptr = lutil_strcopy( ptr, "auth" );
1805
1806                 } else if ( ACL_LVL_IS_COMPARE(mask) ) {
1807                         ptr = lutil_strcopy( ptr, "compare" );
1808
1809                 } else if ( ACL_LVL_IS_SEARCH(mask) ) {
1810                         ptr = lutil_strcopy( ptr, "search" );
1811
1812                 } else if ( ACL_LVL_IS_READ(mask) ) {
1813                         ptr = lutil_strcopy( ptr, "read" );
1814
1815                 } else if ( ACL_LVL_IS_WRITE(mask) ) {
1816                         ptr = lutil_strcopy( ptr, "write" );
1817
1818                 } else if ( ACL_LVL_IS_WADD(mask) ) {
1819                         ptr = lutil_strcopy( ptr, "add" );
1820
1821                 } else if ( ACL_LVL_IS_WDEL(mask) ) {
1822                         ptr = lutil_strcopy( ptr, "delete" );
1823
1824                 } else if ( ACL_LVL_IS_MANAGE(mask) ) {
1825                         ptr = lutil_strcopy( ptr, "manage" );
1826
1827                 } else {
1828                         ptr = lutil_strcopy( ptr, "unknown" );
1829                 }
1830
1831                 if ( !debug ) {
1832                         *ptr = '\0';
1833                         return buf;
1834                 }
1835                 *ptr++ = '(';
1836         }
1837
1838         if( ACL_IS_ADDITIVE( mask ) ) {
1839                 *ptr++ = '+';
1840
1841         } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
1842                 *ptr++ = '-';
1843
1844         } else {
1845                 *ptr++ = '=';
1846         }
1847
1848         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_MANAGE) ) {
1849                 none = 0;
1850                 *ptr++ = 'm';
1851         }
1852
1853         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
1854                 none = 0;
1855                 *ptr++ = 'w';
1856
1857         } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WADD) ) {
1858                 none = 0;
1859                 *ptr++ = 'a';
1860
1861         } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WDEL) ) {
1862                 none = 0;
1863                 *ptr++ = 'z';
1864         }
1865
1866         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
1867                 none = 0;
1868                 *ptr++ = 'r';
1869         }
1870
1871         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
1872                 none = 0;
1873                 *ptr++ = 's';
1874         }
1875
1876         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
1877                 none = 0;
1878                 *ptr++ = 'c';
1879         }
1880
1881         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
1882                 none = 0;
1883                 *ptr++ = 'x';
1884         }
1885
1886         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_DISCLOSE) ) {
1887                 none = 0;
1888                 *ptr++ = 'd';
1889         }
1890
1891         if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
1892                 none = 0;
1893                 *ptr++ = '0';
1894         }
1895
1896         if ( none ) {
1897                 ptr = buf;
1898         }
1899
1900         if ( ACL_IS_LEVEL( mask ) ) {
1901                 *ptr++ = ')';
1902         }
1903
1904         *ptr = '\0';
1905
1906         return buf;
1907 }
1908
1909 slap_mask_t
1910 str2accessmask( const char *str )
1911 {
1912         slap_mask_t     mask;
1913
1914         if( !ASCII_ALPHA(str[0]) ) {
1915                 int i;
1916
1917                 if ( str[0] == '=' ) {
1918                         ACL_INIT(mask);
1919
1920                 } else if( str[0] == '+' ) {
1921                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
1922
1923                 } else if( str[0] == '-' ) {
1924                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
1925
1926                 } else {
1927                         ACL_INVALIDATE(mask);
1928                         return mask;
1929                 }
1930
1931                 for( i=1; str[i] != '\0'; i++ ) {
1932                         if( TOLOWER((unsigned char) str[i]) == 'm' ) {
1933                                 ACL_PRIV_SET(mask, ACL_PRIV_MANAGE);
1934
1935                         } else if( TOLOWER((unsigned char) str[i]) == 'w' ) {
1936                                 ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
1937
1938                         } else if( TOLOWER((unsigned char) str[i]) == 'a' ) {
1939                                 ACL_PRIV_SET(mask, ACL_PRIV_WADD);
1940
1941                         } else if( TOLOWER((unsigned char) str[i]) == 'z' ) {
1942                                 ACL_PRIV_SET(mask, ACL_PRIV_WDEL);
1943
1944                         } else if( TOLOWER((unsigned char) str[i]) == 'r' ) {
1945                                 ACL_PRIV_SET(mask, ACL_PRIV_READ);
1946
1947                         } else if( TOLOWER((unsigned char) str[i]) == 's' ) {
1948                                 ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
1949
1950                         } else if( TOLOWER((unsigned char) str[i]) == 'c' ) {
1951                                 ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
1952
1953                         } else if( TOLOWER((unsigned char) str[i]) == 'x' ) {
1954                                 ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
1955
1956                         } else if( TOLOWER((unsigned char) str[i]) == 'd' ) {
1957                                 ACL_PRIV_SET(mask, ACL_PRIV_DISCLOSE);
1958
1959                         } else if( str[i] != '0' ) {
1960                                 ACL_INVALIDATE(mask);
1961                                 return mask;
1962                         }
1963                 }
1964
1965                 return mask;
1966         }
1967
1968         if ( strcasecmp( str, "none" ) == 0 ) {
1969                 ACL_LVL_ASSIGN_NONE(mask);
1970
1971         } else if ( strcasecmp( str, "disclose" ) == 0 ) {
1972                 ACL_LVL_ASSIGN_DISCLOSE(mask);
1973
1974         } else if ( strcasecmp( str, "auth" ) == 0 ) {
1975                 ACL_LVL_ASSIGN_AUTH(mask);
1976
1977         } else if ( strcasecmp( str, "compare" ) == 0 ) {
1978                 ACL_LVL_ASSIGN_COMPARE(mask);
1979
1980         } else if ( strcasecmp( str, "search" ) == 0 ) {
1981                 ACL_LVL_ASSIGN_SEARCH(mask);
1982
1983         } else if ( strcasecmp( str, "read" ) == 0 ) {
1984                 ACL_LVL_ASSIGN_READ(mask);
1985
1986         } else if ( strcasecmp( str, "add" ) == 0 ) {
1987                 ACL_LVL_ASSIGN_WADD(mask);
1988
1989         } else if ( strcasecmp( str, "delete" ) == 0 ) {
1990                 ACL_LVL_ASSIGN_WDEL(mask);
1991
1992         } else if ( strcasecmp( str, "write" ) == 0 ) {
1993                 ACL_LVL_ASSIGN_WRITE(mask);
1994
1995         } else if ( strcasecmp( str, "manage" ) == 0 ) {
1996                 ACL_LVL_ASSIGN_MANAGE(mask);
1997
1998         } else {
1999                 ACL_INVALIDATE( mask );
2000         }
2001
2002         return mask;
2003 }
2004
2005 static void
2006 acl_usage( void )
2007 {
2008         fprintf( stderr, "%s%s%s\n",
2009                 "<access clause> ::= access to <what> "
2010                                 "[ by <who> <access> [ <control> ] ]+ \n"
2011                 "<what> ::= * | [dn[.<dnstyle>]=<DN>] [filter=<filter>] [attrs=<attrlist>]\n"
2012                 "<attrlist> ::= <attr> [val[.<attrstyle>]=<value>] | <attr> , <attrlist>\n"
2013                 "<attr> ::= <attrname> | entry | children\n",
2014                 "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<DN> ]\n"
2015                         "\t[ realanonymous | realusers | realself | realdn[.<dnstyle>]=<DN> ]\n"
2016                         "\t[dnattr=<attrname>]\n"
2017                         "\t[realdnattr=<attrname>]\n"
2018                         "\t[group[/<objectclass>[/<attrname>]][.<style>]=<group>]\n"
2019                         "\t[peername[.<peernamestyle>]=<peer>] [sockname[.<style>]=<name>]\n"
2020                         "\t[domain[.<domainstyle>]=<domain>] [sockurl[.<style>]=<url>]\n"
2021 #ifdef SLAPD_ACI_ENABLED
2022                         "\t[aci=[<attrname>]]\n"
2023 #endif
2024 #ifdef SLAP_DYNACL
2025                         "\t[dynacl/<name>[.<dynstyle>][=<pattern>]]\n"
2026 #endif /* SLAP_DYNACL */
2027                         "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n",
2028                 "<style> ::= exact | regex | base(Object)\n"
2029                 "<dnstyle> ::= base(Object) | one(level) | sub(tree) | children | "
2030                         "exact | regex\n"
2031                 "<attrstyle> ::= exact | regex | base(Object) | one(level) | "
2032                         "sub(tree) | children\n"
2033                 "<peernamestyle> ::= exact | regex | ip | path\n"
2034                 "<domainstyle> ::= exact | regex | base(Object) | sub(tree)\n"
2035                 "<access> ::= [[real]self]{<level>|<priv>}\n"
2036                 "<level> ::= none|disclose|auth|compare|search|read|{write|add|delete}|manage\n"
2037                 "<priv> ::= {=|+|-}{0|d|x|c|s|r|{w|a|z}|m}+\n"
2038                 "<control> ::= [ stop | continue | break ]\n"
2039         );
2040         exit( EXIT_FAILURE );
2041 }
2042
2043 /*
2044  * Set pattern to a "normalized" DN from src.
2045  * At present it simply eats the (optional) space after
2046  * a RDN separator (,)
2047  * Eventually will evolve in a more complete normalization
2048  */
2049 static void
2050 acl_regex_normalized_dn(
2051         const char *src,
2052         struct berval *pattern )
2053 {
2054         char *str, *p;
2055         ber_len_t len;
2056
2057         str = ch_strdup( src );
2058         len = strlen( src );
2059
2060         for ( p = str; p && p[0]; p++ ) {
2061                 /* escape */
2062                 if ( p[0] == '\\' && p[1] ) {
2063                         /*
2064                          * if escaping a hex pair we should
2065                          * increment p twice; however, in that
2066                          * case the second hex number does
2067                          * no harm
2068                          */
2069                         p++;
2070                 }
2071
2072                 if ( p[0] == ',' && p[1] == ' ' ) {
2073                         char *q;
2074
2075                         /*
2076                          * too much space should be an error if we are pedantic
2077                          */
2078                         for ( q = &p[2]; q[0] == ' '; q++ ) {
2079                                 /* DO NOTHING */ ;
2080                         }
2081                         AC_MEMCPY( p+1, q, len-(q-str)+1);
2082                 }
2083         }
2084         pattern->bv_val = str;
2085         pattern->bv_len = p - str;
2086
2087         return;
2088 }
2089
2090 static void
2091 split(
2092     char        *line,
2093     int         splitchar,
2094     char        **left,
2095     char        **right )
2096 {
2097         *left = line;
2098         if ( (*right = strchr( line, splitchar )) != NULL ) {
2099                 *((*right)++) = '\0';
2100         }
2101 }
2102
2103 static void
2104 access_append( Access **l, Access *a )
2105 {
2106         for ( ; *l != NULL; l = &(*l)->a_next ) {
2107                 ;       /* Empty */
2108         }
2109
2110         *l = a;
2111 }
2112
2113 void
2114 acl_append( AccessControl **l, AccessControl *a )
2115 {
2116         for ( ; *l != NULL; l = &(*l)->acl_next ) {
2117                 ;       /* Empty */
2118         }
2119
2120         *l = a;
2121 }
2122
2123 static void
2124 access_free( Access *a )
2125 {
2126         if ( !BER_BVISNULL( &a->a_dn_pat ) ) {
2127                 free( a->a_dn_pat.bv_val );
2128         }
2129         if ( !BER_BVISNULL( &a->a_realdn_pat ) ) {
2130                 free( a->a_realdn_pat.bv_val );
2131         }
2132         if ( !BER_BVISNULL( &a->a_peername_pat ) ) {
2133                 free( a->a_peername_pat.bv_val );
2134         }
2135         if ( !BER_BVISNULL( &a->a_sockname_pat ) ) {
2136                 free( a->a_sockname_pat.bv_val );
2137         }
2138         if ( !BER_BVISNULL( &a->a_domain_pat ) ) {
2139                 free( a->a_domain_pat.bv_val );
2140         }
2141         if ( !BER_BVISNULL( &a->a_sockurl_pat ) ) {
2142                 free( a->a_sockurl_pat.bv_val );
2143         }
2144         if ( !BER_BVISNULL( &a->a_set_pat ) ) {
2145                 free( a->a_set_pat.bv_val );
2146         }
2147         if ( !BER_BVISNULL( &a->a_group_pat ) ) {
2148                 free( a->a_group_pat.bv_val );
2149         }
2150         free( a );
2151 }
2152
2153 void
2154 acl_free( AccessControl *a )
2155 {
2156         Access *n;
2157         AttributeName *an;
2158
2159         if ( a->acl_filter ) {
2160                 filter_free( a->acl_filter );
2161         }
2162         if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
2163                 free ( a->acl_dn_pat.bv_val );
2164         }
2165         if ( a->acl_attrs ) {
2166                 for ( an = a->acl_attrs; !BER_BVISNULL( &an->an_name ); an++ ) {
2167                         free( an->an_name.bv_val );
2168                 }
2169                 free( a->acl_attrs );
2170         }
2171         for ( ; a->acl_access; a->acl_access = n ) {
2172                 n = a->acl_access->a_next;
2173                 access_free( a->acl_access );
2174         }
2175         free( a );
2176 }
2177
2178 /* Because backend_startup uses acl_append to tack on the global_acl to
2179  * the end of each backend's acl, we cannot just take one argument and
2180  * merrily free our way to the end of the list. backend_destroy calls us
2181  * with the be_acl in arg1, and global_acl in arg2 to give us a stopping
2182  * point. config_destroy calls us with global_acl in arg1 and NULL in
2183  * arg2, so we then proceed to polish off the global_acl.
2184  */
2185 void
2186 acl_destroy( AccessControl *a, AccessControl *end )
2187 {
2188         AccessControl *n;
2189
2190         for (; a && a!= end; a=n) {
2191                 n = a->acl_next;
2192                 acl_free( a );
2193         }
2194 }
2195
2196 char *
2197 access2str( slap_access_t access )
2198 {
2199         if ( access == ACL_NONE ) {
2200                 return "none";
2201
2202         } else if ( access == ACL_DISCLOSE ) {
2203                 return "disclose";
2204
2205         } else if ( access == ACL_AUTH ) {
2206                 return "auth";
2207
2208         } else if ( access == ACL_COMPARE ) {
2209                 return "compare";
2210
2211         } else if ( access == ACL_SEARCH ) {
2212                 return "search";
2213
2214         } else if ( access == ACL_READ ) {
2215                 return "read";
2216
2217         } else if ( access == ACL_WRITE ) {
2218                 return "write";
2219
2220         } else if ( access == ACL_WADD ) {
2221                 return "add";
2222
2223         } else if ( access == ACL_WDEL ) {
2224                 return "delete";
2225
2226         } else if ( access == ACL_MANAGE ) {
2227                 return "manage";
2228
2229         }
2230
2231         return "unknown";
2232 }
2233
2234 slap_access_t
2235 str2access( const char *str )
2236 {
2237         if ( strcasecmp( str, "none" ) == 0 ) {
2238                 return ACL_NONE;
2239
2240         } else if ( strcasecmp( str, "disclose" ) == 0 ) {
2241 #ifndef SLAP_ACL_HONOR_DISCLOSE
2242                 fprintf( stderr, "str2access: warning, "
2243                         "\"disclose\" privilege disabled.\n" );
2244 #endif /* SLAP_ACL_HONOR_DISCLOSE */
2245                 return ACL_DISCLOSE;
2246
2247         } else if ( strcasecmp( str, "auth" ) == 0 ) {
2248                 return ACL_AUTH;
2249
2250         } else if ( strcasecmp( str, "compare" ) == 0 ) {
2251                 return ACL_COMPARE;
2252
2253         } else if ( strcasecmp( str, "search" ) == 0 ) {
2254                 return ACL_SEARCH;
2255
2256         } else if ( strcasecmp( str, "read" ) == 0 ) {
2257                 return ACL_READ;
2258
2259         } else if ( strcasecmp( str, "write" ) == 0 ) {
2260                 return ACL_WRITE;
2261
2262         } else if ( strcasecmp( str, "add" ) == 0 ) {
2263                 return ACL_WADD;
2264
2265         } else if ( strcasecmp( str, "delete" ) == 0 ) {
2266                 return ACL_WDEL;
2267
2268         } else if ( strcasecmp( str, "manage" ) == 0 ) {
2269                 return ACL_MANAGE;
2270         }
2271
2272         return( ACL_INVALID_ACCESS );
2273 }
2274
2275 #define ACLBUF_MAXLEN   8192
2276
2277 static char aclbuf[ACLBUF_MAXLEN];
2278
2279 static char *
2280 dnaccess2text( slap_dn_access *bdn, char *ptr, int is_realdn )
2281 {
2282         *ptr++ = ' ';
2283
2284         if ( is_realdn ) {
2285                 ptr = lutil_strcopy( ptr, "real" );
2286         }
2287
2288         if ( ber_bvccmp( &bdn->a_pat, '*' ) ||
2289                 bdn->a_style == ACL_STYLE_ANONYMOUS ||
2290                 bdn->a_style == ACL_STYLE_USERS ||
2291                 bdn->a_style == ACL_STYLE_SELF )
2292         {
2293                 if ( is_realdn ) {
2294                         assert( ! ber_bvccmp( &bdn->a_pat, '*' ) );
2295                 }
2296
2297                 ptr = lutil_strcopy( ptr, bdn->a_pat.bv_val );
2298                 if ( bdn->a_style == ACL_STYLE_SELF && bdn->a_self_level != 0 ) {
2299                         int n = sprintf( ptr, ".level{%d}", bdn->a_self_level );
2300                         if ( n > 0 ) {
2301                                 ptr += n;
2302                         } /* else ? */
2303                 }
2304
2305         } else {
2306                 ptr = lutil_strcopy( ptr, "dn." );
2307                 ptr = lutil_strcopy( ptr, style_strings[bdn->a_style] );
2308                 if ( bdn->a_style == ACL_STYLE_LEVEL ) {
2309                         int n = sprintf( ptr, "{%d}", bdn->a_level );
2310                         if ( n > 0 ) {
2311                                 ptr += n;
2312                         } /* else ? */
2313                 }
2314                 if ( bdn->a_expand ) {
2315                         ptr = lutil_strcopy( ptr, ",expand" );
2316                 }
2317                 *ptr++ = '=';
2318                 *ptr++ = '"';
2319                 ptr = lutil_strcopy( ptr, bdn->a_pat.bv_val );
2320                 *ptr++ = '"';
2321         }
2322
2323         if ( bdn->a_at != NULL ) {
2324                 *ptr++ = ' ';
2325                 if ( is_realdn ) {
2326                         ptr = lutil_strcopy( ptr, "real" );
2327                 }
2328                 ptr = lutil_strcopy( ptr, "dnattr=" );
2329                 ptr = lutil_strcopy( ptr, bdn->a_at->ad_cname.bv_val );
2330         }
2331
2332         return ptr;
2333 }
2334
2335 static char *
2336 access2text( Access *b, char *ptr )
2337 {
2338         char maskbuf[ACCESSMASK_MAXLEN];
2339
2340         ptr = lutil_strcopy( ptr, "\tby" );
2341
2342         if ( !BER_BVISEMPTY( &b->a_dn_pat ) ) {
2343                 ptr = dnaccess2text( &b->a_dn, ptr, 0 );
2344         }
2345
2346         if ( !BER_BVISEMPTY( &b->a_realdn_pat ) ) {
2347                 ptr = dnaccess2text( &b->a_realdn, ptr, 1 );
2348         }
2349
2350         if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
2351                 ptr = lutil_strcopy( ptr, " group/" );
2352                 ptr = lutil_strcopy( ptr, b->a_group_oc ?
2353                         b->a_group_oc->soc_cname.bv_val : "groupOfNames" );
2354                 *ptr++ = '/';
2355                 ptr = lutil_strcopy( ptr, b->a_group_at ?
2356                         b->a_group_at->ad_cname.bv_val : "member" );
2357                 *ptr++ = '.';
2358                 ptr = lutil_strcopy( ptr, style_strings[b->a_group_style] );
2359                 *ptr++ = '=';
2360                 *ptr++ = '"';
2361                 ptr = lutil_strcopy( ptr, b->a_group_pat.bv_val );
2362                 *ptr++ = '"';
2363         }
2364
2365         if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
2366                 ptr = lutil_strcopy( ptr, " peername=\"" );
2367                 ptr = lutil_strcopy( ptr, b->a_peername_pat.bv_val );
2368                 *ptr++ = '"';
2369         }
2370
2371         if ( !BER_BVISEMPTY( &b->a_sockname_pat ) ) {
2372                 ptr = lutil_strcopy( ptr, " sockname=\"" );
2373                 ptr = lutil_strcopy( ptr, b->a_sockname_pat.bv_val );
2374                 *ptr++ = '"';
2375         }
2376
2377         if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
2378                 ptr = lutil_strcopy( ptr, " domain=" );
2379                 ptr = lutil_strcopy( ptr, b->a_domain_pat.bv_val );
2380         }
2381
2382         if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
2383                 ptr = lutil_strcopy( ptr, " sockurl=\"" );
2384                 ptr = lutil_strcopy( ptr, b->a_sockurl_pat.bv_val );
2385                 *ptr++ = '"';
2386         }
2387
2388         if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
2389                 ptr = lutil_strcopy( ptr, " set=\"" );
2390                 ptr = lutil_strcopy( ptr, b->a_set_pat.bv_val );
2391                 *ptr++ = '"';
2392         }
2393
2394 #ifdef SLAP_DYNACL
2395         if ( b->a_dynacl ) {
2396                 slap_dynacl_t   *da;
2397
2398                 for ( da = b->a_dynacl; da; da = da->da_next ) {
2399                         if ( da->da_unparse ) {
2400                                 struct berval bv;
2401                                 (void)( *da->da_unparse )( da->da_private, &bv );
2402                                 ptr = lutil_strcopy( ptr, bv.bv_val );
2403                                 ch_free( bv.bv_val );
2404                         }
2405                 }
2406         }
2407 #else /* ! SLAP_DYNACL */
2408 #ifdef SLAPD_ACI_ENABLED
2409         if ( b->a_aci_at != NULL ) {
2410                 ptr = lutil_strcopy( ptr, " aci=" );
2411                 ptr = lutil_strcopy( ptr, b->a_aci_at->ad_cname.bv_val );
2412         }
2413 #endif
2414 #endif /* SLAP_DYNACL */
2415
2416         /* Security Strength Factors */
2417         if ( b->a_authz.sai_ssf ) {
2418                 ptr += sprintf( ptr, " ssf=%u",
2419                         b->a_authz.sai_ssf );
2420         }
2421         if ( b->a_authz.sai_transport_ssf ) {
2422                 ptr += sprintf( ptr, " transport_ssf=%u",
2423                         b->a_authz.sai_transport_ssf );
2424         }
2425         if ( b->a_authz.sai_tls_ssf ) {
2426                 ptr += sprintf( ptr, " tls_ssf=%u",
2427                         b->a_authz.sai_tls_ssf );
2428         }
2429         if ( b->a_authz.sai_sasl_ssf ) {
2430                 ptr += sprintf( ptr, " sasl_ssf=%u",
2431                         b->a_authz.sai_sasl_ssf );
2432         }
2433
2434         *ptr++ = ' ';
2435         if ( b->a_dn_self ) {
2436                 ptr = lutil_strcopy( ptr, "self" );
2437         } else if ( b->a_realdn_self ) {
2438                 ptr = lutil_strcopy( ptr, "realself" );
2439         }
2440         ptr = lutil_strcopy( ptr, accessmask2str( b->a_access_mask, maskbuf, 0 ));
2441         if ( !maskbuf[0] ) ptr--;
2442
2443         if( b->a_type == ACL_BREAK ) {
2444                 ptr = lutil_strcopy( ptr, " break" );
2445
2446         } else if( b->a_type == ACL_CONTINUE ) {
2447                 ptr = lutil_strcopy( ptr, " continue" );
2448
2449         } else if( b->a_type != ACL_STOP ) {
2450                 ptr = lutil_strcopy( ptr, " unknown-control" );
2451         } else {
2452                 if ( !maskbuf[0] ) ptr = lutil_strcopy( ptr, " stop" );
2453         }
2454         *ptr++ = '\n';
2455
2456         return ptr;
2457 }
2458
2459 void
2460 acl_unparse( AccessControl *a, struct berval *bv )
2461 {
2462         Access  *b;
2463         char    *ptr;
2464         int     to = 0;
2465
2466         bv->bv_val = aclbuf;
2467         bv->bv_len = 0;
2468
2469         ptr = bv->bv_val;
2470
2471         ptr = lutil_strcopy( ptr, "to" );
2472         if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
2473                 to++;
2474                 ptr = lutil_strcopy( ptr, " dn." );
2475                 ptr = lutil_strcopy( ptr, style_strings[a->acl_dn_style] );
2476                 *ptr++ = '=';
2477                 *ptr++ = '"';
2478                 ptr = lutil_strcopy( ptr, a->acl_dn_pat.bv_val );
2479                 ptr = lutil_strcopy( ptr, "\"\n" );
2480         }
2481
2482         if ( a->acl_filter != NULL ) {
2483                 struct berval   bv = BER_BVNULL;
2484
2485                 to++;
2486                 filter2bv( a->acl_filter, &bv );
2487                 ptr = lutil_strcopy( ptr, " filter=\"" );
2488                 ptr = lutil_strcopy( ptr, bv.bv_val );
2489                 *ptr++ = '"';
2490                 *ptr++ = '\n';
2491                 ch_free( bv.bv_val );
2492         }
2493
2494         if ( a->acl_attrs != NULL ) {
2495                 int     first = 1;
2496                 AttributeName *an;
2497                 to++;
2498
2499                 ptr = lutil_strcopy( ptr, " attrs=" );
2500                 for ( an = a->acl_attrs; an && !BER_BVISNULL( &an->an_name ); an++ ) {
2501                         if ( ! first ) *ptr++ = ',';
2502                         if (an->an_oc) {
2503                                 *ptr++ = an->an_oc_exclude ? '!' : '@';
2504                                 ptr = lutil_strcopy( ptr, an->an_oc->soc_cname.bv_val );
2505
2506                         } else {
2507                                 ptr = lutil_strcopy( ptr, an->an_name.bv_val );
2508                         }
2509                         first = 0;
2510                 }
2511                 *ptr++ = '\n';
2512         }
2513
2514         if ( !BER_BVISEMPTY( &a->acl_attrval ) ) {
2515                 to++;
2516                 ptr = lutil_strcopy( ptr, " val." );
2517                 ptr = lutil_strcopy( ptr, style_strings[a->acl_attrval_style] );
2518                 *ptr++ = '=';
2519                 *ptr++ = '"';
2520                 ptr = lutil_strcopy( ptr, a->acl_attrval.bv_val );
2521                 *ptr++ = '"';
2522                 *ptr++ = '\n';
2523         }
2524
2525         if( !to ) {
2526                 ptr = lutil_strcopy( ptr, " *\n" );
2527         }
2528
2529         for ( b = a->acl_access; b != NULL; b = b->a_next ) {
2530                 ptr = access2text( b, ptr );
2531         }
2532         *ptr = '\0';
2533         bv->bv_len = ptr - bv->bv_val;
2534 }
2535
2536 #ifdef LDAP_DEBUG
2537
2538 static void
2539 print_acl( Backend *be, AccessControl *a )
2540 {
2541         struct berval bv;
2542
2543         acl_unparse( a, &bv );
2544         fprintf( stderr, "%s ACL: access %s\n",
2545                 be == NULL ? "Global" : "Backend", bv.bv_val );
2546 }
2547 #endif /* LDAP_DEBUG */