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

   1 /* aclparse.c - routines to parse and check acl's */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/ctype.h>
  13 #include <ac/regex.h>
  14 #include <ac/socket.h>
  15 #include <ac/string.h>
  16 #include <ac/unistd.h>
  17
  18 #include "slap.h"
  19
  20 static void             split(char *line, int splitchar, char **left, char **right);
  21 static void             access_append(Access **l, Access *a);
  22 static void             acl_usage(void) LDAP_GCCATTR((noreturn));
  23
  24 static char             *acl_regex_normalized_dn(const char *pattern);
  25
  26 #ifdef LDAP_DEBUG
  27 static void             print_acl(Backend *be, AccessControl *a);
  28 static void             print_access(Access *b);
  29 #endif
  30
  31 static int
  32 regtest(const char *fname, int lineno, char *pat) {
  33         int e;
  34         regex_t re;
  35
  36         char buf[512];
  37         unsigned size;
  38
  39         char *sp;
  40         char *dp;
  41         int  flag;
  42
  43         sp = pat;
  44         dp = buf;
  45         size = 0;
  46         buf[0] = '\0';
  47
  48         for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
  49                 if (flag) {
  50                         if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
  51                                 *dp++ = *sp;
  52                                 size++;
  53                         }
  54                         flag = 0;
  55
  56                 } else {
  57                         if (*sp == '$') {
  58                                 flag = 1;
  59                         } else {
  60                                 *dp++ = *sp;
  61                                 size++;
  62                         }
  63                 }
  64         }
  65
  66         *dp = '\0';
  67         if ( size >= (sizeof(buf)-1) ) {
  68                 fprintf( stderr,
  69                         "%s: line %d: regular expression \"%s\" too large\n",
  70                         fname, lineno, pat );
  71                 acl_usage();
  72         }
  73
  74         if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
  75                 char error[512];
  76                 regerror(e, &re, error, sizeof(error));
  77                 fprintf( stderr,
  78                         "%s: line %d: regular expression \"%s\" bad because of %s\n",
  79                         fname, lineno, pat, error );
  80                 acl_usage();
  81                 return(0);
  82         }
  83         regfree(&re);
  84         return(1);
  85 }
  86
  87 void
  88 parse_acl(
  89     Backend     *be,
  90     const char  *fname,
  91     int         lineno,
  92     int         argc,
  93     char        **argv
  94 )
  95 {
  96         int             i;
  97         char            *left, *right, *style;
  98         AccessControl   *a;
  99         Access  *b;
 100         int rc;
 101         const char *text;
 102
 103         a = NULL;
 104         for ( i = 1; i < argc; i++ ) {
 105                 /* to clause - select which entries are protected */
 106                 if ( strcasecmp( argv[i], "to" ) == 0 ) {
 107                         if ( a != NULL ) {
 108                                 fprintf( stderr,
 109                 "%s: line %d: only one to clause allowed in access line\n",
 110                                     fname, lineno );
 111                                 acl_usage();
 112                         }
 113                         a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
 114                         for ( ++i; i < argc; i++ ) {
 115                                 if ( strcasecmp( argv[i], "by" ) == 0 ) {
 116                                         i--;
 117                                         break;
 118                                 }
 119
 120                                 if ( strcasecmp( argv[i], "*" ) == 0 ) {
 121                                         if( a->acl_dn_pat.bv_len != 0 ) {
 122                                                 fprintf( stderr,
 123                                                         "%s: line %d: dn pattern"
 124                                                         " already specified in to clause.\n",
 125                                                         fname, lineno );
 126                                                 acl_usage();
 127                                         }
 128
 129                                         a->acl_dn_pat.bv_val = ch_strdup( "*" );
 130                                         a->acl_dn_pat.bv_len = 1;
 131                                         continue;
 132                                 }
 133
 134                                 split( argv[i], '=', &left, &right );
 135                                 split( left, '.', &left, &style );
 136
 137                                 if ( right == NULL ) {
 138                                         fprintf( stderr,
 139         "%s: line %d: missing \"=\" in \"%s\" in to clause\n",
 140                                             fname, lineno, left );
 141                                         acl_usage();
 142                                 }
 143
 144                                 if ( strcasecmp( left, "dn" ) == 0 ) {
 145                                         if( a->acl_dn_pat.bv_len != 0 ) {
 146                                                 fprintf( stderr,
 147                                                         "%s: line %d: dn pattern"
 148                                                         " already specified in to clause.\n",
 149                                                         fname, lineno );
 150                                                 acl_usage();
 151                                         }
 152
 153                                         if ( style == NULL || *style == '\0'
 154                                                 || strcasecmp( style, "regex" ) == 0 )
 155                                         {
 156                                                 a->acl_dn_style = ACL_STYLE_REGEX;
 157                                                 if ( strcmp(right, "*") == 0
 158                                                         || strcmp(right, ".*") == 0
 159                                                         || strcmp(right, ".*$") == 0
 160                                                         || strcmp(right, "^.*") == 0
 161                                                         || strcmp(right, "^.*$$") == 0
 162                                                         || strcmp(right, ".*$$") == 0
 163                                                         || strcmp(right, "^.*$$") == 0 )
 164                                                 {
 165                                                         a->acl_dn_pat.bv_val = ch_strdup( "*" );
 166                                                         a->acl_dn_pat.bv_len = 1;
 167
 168                                                 } else {
 169                                                         a->acl_dn_pat.bv_val = acl_regex_normalized_dn( right );
 170                                                         a->acl_dn_pat.bv_len = strlen( a->acl_dn_pat.bv_val );
 171                                                 }
 172                                         } else if ( strcasecmp( style, "base" ) == 0 ) {
 173                                                 a->acl_dn_style = ACL_STYLE_BASE;
 174                                                 a->acl_dn_pat.bv_val = ch_strdup( right );
 175                                                 a->acl_dn_pat.bv_len = strlen( right );
 176
 177                                         } else if ( strcasecmp( style, "one" ) == 0 ) {
 178                                                 a->acl_dn_style = ACL_STYLE_ONE;
 179                                                 a->acl_dn_pat.bv_val = ch_strdup( right );
 180                                                 a->acl_dn_pat.bv_len = strlen( right );
 181
 182                                         } else if ( strcasecmp( style, "subtree" ) == 0 ) {
 183                                                 a->acl_dn_style = ACL_STYLE_SUBTREE;
 184                                                 a->acl_dn_pat.bv_val = ch_strdup( right );
 185                                                 a->acl_dn_pat.bv_len = strlen( right );
 186
 187                                         } else if ( strcasecmp( style, "children" ) == 0 ) {
 188                                                 a->acl_dn_style = ACL_STYLE_CHILDREN;
 189                                                 a->acl_dn_pat.bv_val = ch_strdup( right );
 190                                                 a->acl_dn_pat.bv_len = strlen( right );
 191
 192                                         } else {
 193                                                 fprintf( stderr,
 194         "%s: line %d: unknown dn style \"%s\" in to clause\n",
 195                                                     fname, lineno, style );
 196                                                 acl_usage();
 197                                         }
 198
 199                                         continue;
 200                                 }
 201
 202                                 if ( strcasecmp( left, "filter" ) == 0 ) {
 203                                         if ( (a->acl_filter = str2filter(
 204                                             right )) == NULL ) {
 205                                                 fprintf( stderr,
 206                                 "%s: line %d: bad filter \"%s\" in to clause\n",
 207                                                     fname, lineno, right );
 208                                                 acl_usage();
 209                                         }
 210
 211                                 } else if ( strncasecmp( left, "attr", 4 ) == 0 ) {
 212                                         char    **alist;
 213
 214                                         alist = str2charray( right, "," );
 215                                         charray_merge( &a->acl_attrs, alist );
 216                                         charray_free( alist );
 217
 218                                 } else {
 219                                         fprintf( stderr,
 220                                                 "%s: line %d: expecting <what> got \"%s\"\n",
 221                                             fname, lineno, left );
 222                                         acl_usage();
 223                                 }
 224                         }
 225
 226                         if ( a->acl_dn_pat.bv_len != 0 && strcmp(a->acl_dn_pat.bv_val, "*") == 0) {
 227                                 free( a->acl_dn_pat.bv_val );
 228                                 a->acl_dn_pat.bv_val = NULL;
 229                                 a->acl_dn_pat.bv_len = 0;
 230                         }
 231
 232                         if( a->acl_dn_pat.bv_len != 0 ) {
 233                                 if ( a->acl_dn_style != ACL_STYLE_REGEX )
 234                                 {
 235                                         struct berval *bv = NULL;
 236                                         dnNormalize( NULL, &a->acl_dn_pat, &bv);
 237                                         free( a->acl_dn_pat.bv_val );
 238                                         a->acl_dn_pat = *bv;
 239                                         free( bv );
 240                                 } else {
 241                                         int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
 242                                                          REG_EXTENDED | REG_ICASE );
 243                                         if ( e ) {
 244                                                 char buf[512];
 245                                                 regerror( e, &a->acl_dn_re, buf, sizeof(buf) );
 246                                                 fprintf( stderr,
 247                                         "%s: line %d: regular expression \"%s\" bad because of %s\n",
 248                                                          fname, lineno, right, buf );
 249                                                 acl_usage();
 250                                         }
 251                                 }
 252                         }
 253
 254                 /* by clause - select who has what access to entries */
 255                 } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
 256                         if ( a == NULL ) {
 257                                 fprintf( stderr,
 258                                         "%s: line %d: to clause required before by clause in access line\n",
 259                                     fname, lineno );
 260                                 acl_usage();
 261                         }
 262
 263                         /*
 264                          * by clause consists of <who> and <access>
 265                          */
 266
 267                         b = (Access *) ch_calloc( 1, sizeof(Access) );
 268
 269                         ACL_INVALIDATE( b->a_access_mask );
 270
 271                         if ( ++i == argc ) {
 272                                 fprintf( stderr,
 273                             "%s: line %d: premature eol: expecting <who>\n",
 274                                     fname, lineno );
 275                                 acl_usage();
 276                         }
 277
 278                         /* get <who> */
 279                         for ( ; i < argc; i++ ) {
 280                                 char *pat;
 281                                 slap_style_t sty = ACL_STYLE_REGEX;
 282
 283                                 split( argv[i], '=', &left, &right );
 284                                 split( left, '.', &left, &style );
 285                                 if ( style == NULL || *style == '\0'
 286                                         || strcasecmp( style, "regex" ) == 0 )
 287                                 {
 288                                         sty = ACL_STYLE_REGEX;
 289                                 } else if ( strcasecmp( style, "exact" ) == 0 ) {
 290                                         sty = ACL_STYLE_EXACT;
 291                                 } else if ( strcasecmp( style, "base" ) == 0 ) {
 292                                         sty = ACL_STYLE_BASE;
 293                                 } else if ( strcasecmp( style, "one" ) == 0 ) {
 294                                         sty = ACL_STYLE_ONE;
 295                                 } else if ( strcasecmp( style, "subtree" ) == 0 ) {
 296                                         sty = ACL_STYLE_SUBTREE;
 297                                 } else if ( strcasecmp( style, "children" ) == 0 ) {
 298                                         sty = ACL_STYLE_CHILDREN;
 299                                 } else {
 300                                         fprintf( stderr,
 301                                                 "%s: line %d: unknown style \"%s\" in by clause\n",
 302                                             fname, lineno, style );
 303                                         acl_usage();
 304                                 }
 305
 306                                 if ( strcasecmp( argv[i], "*" ) == 0 ) {
 307                                         pat = ch_strdup( "*" );
 308
 309                                 } else if ( strcasecmp( argv[i], "anonymous" ) == 0 ) {
 310                                         pat = ch_strdup( "anonymous" );
 311
 312                                 } else if ( strcasecmp( argv[i], "self" ) == 0 ) {
 313                                         pat = ch_strdup( "self" );
 314
 315                                 } else if ( strcasecmp( argv[i], "users" ) == 0 ) {
 316                                         pat = ch_strdup( "users" );
 317
 318                                 } else if ( strcasecmp( left, "dn" ) == 0 ) {
 319                                         if ( sty == ACL_STYLE_REGEX ) {
 320                                                 b->a_dn_style = ACL_STYLE_REGEX;
 321                                                 if( right == NULL ) {
 322                                                         /* no '=' */
 323                                                         pat = ch_strdup( "users" );
 324
 325                                                 } else if (*right == '\0' ) {
 326                                                         /* dn="" */
 327                                                         pat = ch_strdup( "anonymous" );
 328
 329                                                 } else if ( strcmp( right, "*" ) == 0 ) {
 330                                                         /* dn=* */
 331                                                         /* any or users?  users for now */
 332                                                         pat = ch_strdup( "users" );
 333
 334                                                 } else if ( strcmp( right, ".+" ) == 0
 335                                                         || strcmp( right, "^.+" ) == 0
 336                                                         || strcmp( right, ".+$" ) == 0
 337                                                         || strcmp( right, "^.+$" ) == 0
 338                                                         || strcmp( right, ".+$$" ) == 0
 339                                                         || strcmp( right, "^.+$$" ) == 0 )
 340                                                 {
 341                                                         pat = ch_strdup( "users" );
 342
 343                                                 } else if ( strcmp( right, ".*" ) == 0
 344                                                         || strcmp( right, "^.*" ) == 0
 345                                                         || strcmp( right, ".*$" ) == 0
 346                                                         || strcmp( right, "^.*$" ) == 0
 347                                                         || strcmp( right, ".*$$" ) == 0
 348                                                         || strcmp( right, "^.*$$" ) == 0 )
 349                                                 {
 350                                                         pat = ch_strdup( "*" );
 351
 352                                                 } else {
 353                                                         pat = acl_regex_normalized_dn( right );
 354                                                         regtest(fname, lineno, pat);
 355                                                 }
 356                                         } else if ( right == NULL || *right == '\0' ) {
 357                                                 fprintf( stderr,
 358                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 359                                                     fname, lineno, left );
 360                                                 acl_usage();
 361
 362                                         } else {
 363                                                 pat = ch_strdup( right );
 364                                         }
 365
 366                                 } else {
 367                                         pat = NULL;
 368                                 }
 369
 370                                 if( pat != NULL ) {
 371                                         if( b->a_dn_pat.bv_len != 0 ) {
 372                                                 fprintf( stderr,
 373                                                     "%s: line %d: dn pattern already specified.\n",
 374                                                     fname, lineno );
 375                                                 acl_usage();
 376                                         }
 377
 378                                         b->a_dn_pat.bv_val = pat;
 379                                         b->a_dn_pat.bv_len = strlen( pat );
 380                                         b->a_dn_style = sty;
 381                                         if ( sty != ACL_STYLE_REGEX )
 382                                                 dn_normalize(pat);
 383                                         continue;
 384                                 }
 385
 386                                 if ( strcasecmp( left, "dnattr" ) == 0 ) {
 387                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 388                                                 fprintf( stderr,
 389                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 390                                                         fname, lineno, left );
 391                                                 acl_usage();
 392                                         }
 393
 394                                         if( b->a_dn_at != NULL ) {
 395                                                 fprintf( stderr,
 396                                                         "%s: line %d: dnattr already specified.\n",
 397                                                         fname, lineno );
 398                                                 acl_usage();
 399                                         }
 400
 401                                         rc = slap_str2ad( right, &b->a_dn_at, &text );
 402
 403                                         if( rc != LDAP_SUCCESS ) {
 404                                                 fprintf( stderr,
 405                                                         "%s: line %d: dnattr \"%s\": %s\n",
 406                                                         fname, lineno, right, text );
 407                                                 acl_usage();
 408                                         }
 409
 410
 411                                         if( !is_at_syntax( b->a_dn_at->ad_type,
 412                                                 SLAPD_DN_SYNTAX ) &&
 413                                                 !is_at_syntax( b->a_dn_at->ad_type,
 414                                                 SLAPD_NAMEUID_SYNTAX ))
 415                                         {
 416                                                 fprintf( stderr,
 417                                                         "%s: line %d: dnattr \"%s\": "
 418                                                         "inappropriate syntax: %s\n",
 419                                                         fname, lineno, right,
 420                                                         b->a_dn_at->ad_type->sat_syntax_oid );
 421                                                 acl_usage();
 422                                         }
 423
 424                                         continue;
 425                                 }
 426
 427                                 if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
 428                                         fprintf( stderr,
 429                                                 "%s: line %d: inappropriate style \"%s\" in by clause\n",
 430                                             fname, lineno, style );
 431                                         acl_usage();
 432                                 }
 433
 434                                 if ( strncasecmp( left, "group", sizeof("group")-1 ) == 0 ) {
 435                                         char *name = NULL;
 436                                         char *value = NULL;
 437
 438                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 439                                                 fprintf( stderr,
 440                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 441                                                         fname, lineno, left );
 442                                                 acl_usage();
 443                                         }
 444
 445                                         if( b->a_group_pat != NULL ) {
 446                                                 fprintf( stderr,
 447                                                         "%s: line %d: group pattern already specified.\n",
 448                                                         fname, lineno );
 449                                                 acl_usage();
 450                                         }
 451
 452                                         /* format of string is "group/objectClassValue/groupAttrName" */
 453                                         if ((value = strchr(left, '/')) != NULL) {
 454                                                 *value++ = '\0';
 455                                                 if (*value
 456                                                         && (name = strchr(value, '/')) != NULL)
 457                                                 {
 458                                                         *name++ = '\0';
 459                                                 }
 460                                         }
 461
 462                                         b->a_group_style = sty;
 463                                         if (sty == ACL_STYLE_REGEX) {
 464                                                 char *tmp = acl_regex_normalized_dn( right );
 465                                                 regtest(fname, lineno, tmp);
 466                                                 b->a_group_pat = tmp;
 467                                         } else {
 468                                                 b->a_group_pat = ch_strdup( right );
 469                                                 dn_normalize(b->a_group_pat);
 470                                         }
 471
 472                                         if (value && *value) {
 473                                                 b->a_group_oc = oc_find( value );
 474                                                 *--value = '/';
 475
 476                                                 if( b->a_group_oc == NULL ) {
 477                                                         fprintf( stderr,
 478                                                                 "%s: line %d: group objectclass "
 479                                                                 "\"%s\" unknown\n",
 480                                                                 fname, lineno, value );
 481                                                         acl_usage();
 482                                                 }
 483                                         } else {
 484                                                 b->a_group_oc = oc_find(SLAPD_GROUP_CLASS);
 485
 486                                                 if( b->a_group_oc == NULL ) {
 487                                                         fprintf( stderr,
 488                                                                 "%s: line %d: group default objectclass "
 489                                                                 "\"%s\" unknown\n",
 490                                                                 fname, lineno, SLAPD_GROUP_CLASS );
 491                                                         acl_usage();
 492                                                 }
 493                                         }
 494
 495                                         if( is_object_subclass( b->a_group_oc,
 496                                                 slap_schema.si_oc_referral ) )
 497                                         {
 498                                                 fprintf( stderr,
 499                                                         "%s: line %d: group objectclass \"%s\" "
 500                                                         "is subclass of referral\n",
 501                                                         fname, lineno, value );
 502                                                 acl_usage();
 503                                         }
 504
 505                                         if( is_object_subclass( b->a_group_oc,
 506                                                 slap_schema.si_oc_alias ) )
 507                                         {
 508                                                 fprintf( stderr,
 509                                                         "%s: line %d: group objectclass \"%s\" "
 510                                                         "is subclass of alias\n",
 511                                                         fname, lineno, value );
 512                                                 acl_usage();
 513                                         }
 514
 515                                         if (name && *name) {
 516                                                 rc = slap_str2ad( name, &b->a_group_at, &text );
 517
 518                                                 if( rc != LDAP_SUCCESS ) {
 519                                                         fprintf( stderr,
 520                                                                 "%s: line %d: group \"%s\": %s\n",
 521                                                                 fname, lineno, right, text );
 522                                                         acl_usage();
 523                                                 }
 524                                                 *--name = '/';
 525                                         } else {
 526                                                 rc = slap_str2ad( SLAPD_GROUP_ATTR, &b->a_group_at, &text );
 527
 528                                                 if( rc != LDAP_SUCCESS ) {
 529                                                         fprintf( stderr,
 530                                                                 "%s: line %d: group \"%s\": %s\n",
 531                                                                 fname, lineno, SLAPD_GROUP_ATTR, text );
 532                                                         acl_usage();
 533                                                 }
 534                                         }
 535
 536                                         if( !is_at_syntax( b->a_group_at->ad_type,
 537                                                 SLAPD_DN_SYNTAX ) &&
 538                                             !is_at_syntax( b->a_group_at->ad_type,
 539                                                 SLAPD_NAMEUID_SYNTAX ) )
 540                                         {
 541                                                 fprintf( stderr,
 542                                                         "%s: line %d: group \"%s\": inappropriate syntax: %s\n",
 543                                                         fname, lineno, right,
 544                                                         b->a_group_at->ad_type->sat_syntax_oid );
 545                                                 acl_usage();
 546                                         }
 547
 548
 549                                         {
 550                                                 int rc;
 551                                                 struct berval val;
 552                                                 struct berval *vals[2];
 553
 554                                                 val.bv_val = b->a_group_oc->soc_oid;
 555                                                 val.bv_len = strlen(val.bv_val);
 556                                                 vals[0] = &val;
 557                                                 vals[1] = NULL;
 558
 559
 560                                                 rc = oc_check_allowed( b->a_group_at->ad_type, vals, NULL );
 561
 562                                                 if( rc != 0 ) {
 563                                                         fprintf( stderr,
 564                                                                 "%s: line %d: group: \"%s\" not allowed by \"%s\"\n",
 565                                                                 fname, lineno,
 566                                                                 b->a_group_at->ad_cname.bv_val,
 567                                                                 b->a_group_oc->soc_oid );
 568                                                         acl_usage();
 569                                                 }
 570                                         }
 571                                         continue;
 572                                 }
 573
 574                                 if ( strcasecmp( left, "peername" ) == 0 ) {
 575                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 576                                                 fprintf( stderr,
 577                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 578                                                         fname, lineno, left );
 579                                                 acl_usage();
 580                                         }
 581
 582                                         if( b->a_peername_pat != NULL ) {
 583                                                 fprintf( stderr,
 584                                                         "%s: line %d: peername pattern already specified.\n",
 585                                                         fname, lineno );
 586                                                 acl_usage();
 587                                         }
 588
 589                                         b->a_peername_style = sty;
 590                                         if (sty == ACL_STYLE_REGEX) {
 591                                                 char *tmp = acl_regex_normalized_dn( right );
 592                                                 regtest(fname, lineno, tmp);
 593                                                 b->a_peername_pat = tmp;
 594                                         } else {
 595                                                 b->a_peername_pat = ch_strdup( right );
 596                                         }
 597                                         continue;
 598                                 }
 599
 600                                 if ( strcasecmp( left, "sockname" ) == 0 ) {
 601                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 602                                                 fprintf( stderr,
 603                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 604                                                         fname, lineno, left );
 605                                                 acl_usage();
 606                                         }
 607
 608                                         if( b->a_sockname_pat != NULL ) {
 609                                                 fprintf( stderr,
 610                                                         "%s: line %d: sockname pattern already specified.\n",
 611                                                         fname, lineno );
 612                                                 acl_usage();
 613                                         }
 614
 615                                         b->a_sockname_style = sty;
 616                                         if (sty == ACL_STYLE_REGEX) {
 617                                                 char *tmp = acl_regex_normalized_dn( right );
 618                                                 regtest(fname, lineno, tmp);
 619                                                 b->a_sockname_pat = tmp;
 620                                         } else {
 621                                                 b->a_sockname_pat = ch_strdup( right );
 622                                         }
 623                                         continue;
 624                                 }
 625
 626                                 if ( strcasecmp( left, "domain" ) == 0 ) {
 627                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 628                                                 fprintf( stderr,
 629                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 630                                                         fname, lineno, left );
 631                                                 acl_usage();
 632                                         }
 633
 634                                         if( b->a_domain_pat != NULL ) {
 635                                                 fprintf( stderr,
 636                                                         "%s: line %d: domain pattern already specified.\n",
 637                                                         fname, lineno );
 638                                                 acl_usage();
 639                                         }
 640
 641                                         b->a_domain_style = sty;
 642                                         if (sty == ACL_STYLE_REGEX) {
 643                                                 char *tmp = acl_regex_normalized_dn( right );
 644                                                 regtest(fname, lineno, tmp);
 645                                                 b->a_domain_pat = tmp;
 646                                         } else {
 647                                                 b->a_domain_pat = ch_strdup( right );
 648                                         }
 649                                         continue;
 650                                 }
 651
 652                                 if ( strcasecmp( left, "sockurl" ) == 0 ) {
 653                                         if ( right == NULL || right[ 0 ] == '\0' ) {
 654                                                 fprintf( stderr,
 655                                                         "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
 656                                                         fname, lineno, left );
 657                                                 acl_usage();
 658                                         }
 659
 660                                         if( b->a_sockurl_pat != NULL ) {
 661                                                 fprintf( stderr,
 662                                                         "%s: line %d: sockurl pattern already specified.\n",
 663                                                         fname, lineno );
 664                                                 acl_usage();
 665                                         }
 666
 667                                         b->a_sockurl_style = sty;
 668                                         if (sty == ACL_STYLE_REGEX) {
 669                                                 char *tmp = acl_regex_normalized_dn( right );
 670                                                 regtest(fname, lineno, tmp);
 671                                                 b->a_sockurl_pat = tmp;
 672                                         } else {
 673                                                 b->a_sockurl_pat = ch_strdup( right );
 674                                         }
 675                                         continue;
 676                                 }
 677
 678                                 if ( strcasecmp( left, "set" ) == 0 ) {
 679                                         if( b->a_set_pat.bv_len != 0 ) {
 680                                                 fprintf( stderr,
 681                                                         "%s: line %d: set attribute already specified.\n",
 682                                                         fname, lineno );
 683                                                 acl_usage();
 684                                         }
 685
 686                                         if ( right == NULL || *right == '\0' ) {
 687                                                 fprintf( stderr,
 688                                                         "%s: line %d: no set is defined\n",
 689                                                         fname, lineno );
 690                                                 acl_usage();
 691                                         }
 692
 693                                         b->a_set_style = sty;
 694                                         b->a_set_pat.bv_val = ch_strdup(right);
 695                                         b->a_set_pat.bv_len = strlen(right);
 696
 697                                         continue;
 698                                 }
 699
 700 #ifdef SLAPD_ACI_ENABLED
 701                                 if ( strcasecmp( left, "aci" ) == 0 ) {
 702                                         if( b->a_aci_at != NULL ) {
 703                                                 fprintf( stderr,
 704                                                         "%s: line %d: aci attribute already specified.\n",
 705                                                         fname, lineno );
 706                                                 acl_usage();
 707                                         }
 708
 709                                         if ( right != NULL && *right != '\0' ) {
 710                                                 rc = slap_str2ad( right, &b->a_aci_at, &text );
 711
 712                                                 if( rc != LDAP_SUCCESS ) {
 713                                                         fprintf( stderr,
 714                                                                 "%s: line %d: aci \"%s\": %s\n",
 715                                                                 fname, lineno, right, text );
 716                                                         acl_usage();
 717                                                 }
 718
 719                                         } else {
 720                                                 rc = slap_str2ad( SLAPD_ACI_ATTR, &b->a_aci_at, &text );
 721
 722                                                 if( rc != LDAP_SUCCESS ) {
 723                                                         fprintf( stderr,
 724                                                                 "%s: line %d: aci \"%s\": %s\n",
 725                                                                 fname, lineno, SLAPD_ACI_ATTR, text );
 726                                                         acl_usage();
 727                                                 }
 728                                         }
 729
 730                                         if( !is_at_syntax( b->a_aci_at->ad_type,
 731                                                 SLAPD_ACI_SYNTAX) )
 732                                         {
 733                                                 fprintf( stderr,
 734                                                         "%s: line %d: aci \"%s\": inappropriate syntax: %s\n",
 735                                                         fname, lineno, right,
 736                                                         b->a_aci_at->ad_type->sat_syntax_oid );
 737                                                 acl_usage();
 738                                         }
 739
 740                                         continue;
 741                                 }
 742 #endif /* SLAPD_ACI_ENABLED */
 743
 744                                 if ( strcasecmp( left, "ssf" ) == 0 ) {
 745                                         if( b->a_authz.sai_ssf ) {
 746                                                 fprintf( stderr,
 747                                                         "%s: line %d: ssf attribute already specified.\n",
 748                                                         fname, lineno );
 749                                                 acl_usage();
 750                                         }
 751
 752                                         if ( right == NULL || *right == '\0' ) {
 753                                                 fprintf( stderr,
 754                                                         "%s: line %d: no ssf is defined\n",
 755                                                         fname, lineno );
 756                                                 acl_usage();
 757                                         }
 758
 759                                         b->a_authz.sai_ssf = atoi( right );
 760
 761                                         if( !b->a_authz.sai_ssf ) {
 762                                                 fprintf( stderr,
 763                                                         "%s: line %d: invalid ssf value (%s)\n",
 764                                                         fname, lineno, right );
 765                                                 acl_usage();
 766                                         }
 767                                         continue;
 768                                 }
 769
 770                                 if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
 771                                         if( b->a_authz.sai_transport_ssf ) {
 772                                                 fprintf( stderr,
 773                                                         "%s: line %d: transport_ssf attribute already specified.\n",
 774                                                         fname, lineno );
 775                                                 acl_usage();
 776                                         }
 777
 778                                         if ( right == NULL || *right == '\0' ) {
 779                                                 fprintf( stderr,
 780                                                         "%s: line %d: no transport_ssf is defined\n",
 781                                                         fname, lineno );
 782                                                 acl_usage();
 783                                         }
 784
 785                                         b->a_authz.sai_transport_ssf = atoi( right );
 786
 787                                         if( !b->a_authz.sai_transport_ssf ) {
 788                                                 fprintf( stderr,
 789                                                         "%s: line %d: invalid transport_ssf value (%s)\n",
 790                                                         fname, lineno, right );
 791                                                 acl_usage();
 792                                         }
 793                                         continue;
 794                                 }
 795
 796                                 if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
 797                                         if( b->a_authz.sai_tls_ssf ) {
 798                                                 fprintf( stderr,
 799                                                         "%s: line %d: tls_ssf attribute already specified.\n",
 800                                                         fname, lineno );
 801                                                 acl_usage();
 802                                         }
 803
 804                                         if ( right == NULL || *right == '\0' ) {
 805                                                 fprintf( stderr,
 806                                                         "%s: line %d: no tls_ssf is defined\n",
 807                                                         fname, lineno );
 808                                                 acl_usage();
 809                                         }
 810
 811                                         b->a_authz.sai_tls_ssf = atoi( right );
 812
 813                                         if( !b->a_authz.sai_tls_ssf ) {
 814                                                 fprintf( stderr,
 815                                                         "%s: line %d: invalid tls_ssf value (%s)\n",
 816                                                         fname, lineno, right );
 817                                                 acl_usage();
 818                                         }
 819                                         continue;
 820                                 }
 821
 822                                 if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
 823                                         if( b->a_authz.sai_sasl_ssf ) {
 824                                                 fprintf( stderr,
 825                                                         "%s: line %d: sasl_ssf attribute already specified.\n",
 826                                                         fname, lineno );
 827                                                 acl_usage();
 828                                         }
 829
 830                                         if ( right == NULL || *right == '\0' ) {
 831                                                 fprintf( stderr,
 832                                                         "%s: line %d: no sasl_ssf is defined\n",
 833                                                         fname, lineno );
 834                                                 acl_usage();
 835                                         }
 836
 837                                         b->a_authz.sai_sasl_ssf = atoi( right );
 838
 839                                         if( !b->a_authz.sai_sasl_ssf ) {
 840                                                 fprintf( stderr,
 841                                                         "%s: line %d: invalid sasl_ssf value (%s)\n",
 842                                                         fname, lineno, right );
 843                                                 acl_usage();
 844                                         }
 845                                         continue;
 846                                 }
 847
 848                                 if( right != NULL ) {
 849                                         /* unsplit */
 850                                         right[-1] = '=';
 851                                 }
 852                                 break;
 853                         }
 854
 855                         if( i == argc || ( strcasecmp( left, "stop" ) == 0 )) {
 856                                 /* out of arguments or plain stop */
 857
 858                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
 859                                 b->a_type = ACL_STOP;
 860
 861                                 access_append( &a->acl_access, b );
 862                                 continue;
 863                         }
 864
 865                         if( strcasecmp( left, "continue" ) == 0 ) {
 866                                 /* plain continue */
 867
 868                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
 869                                 b->a_type = ACL_CONTINUE;
 870
 871                                 access_append( &a->acl_access, b );
 872                                 continue;
 873                         }
 874
 875                         if( strcasecmp( left, "break" ) == 0 ) {
 876                                 /* plain continue */
 877
 878                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
 879                                 b->a_type = ACL_BREAK;
 880
 881                                 access_append( &a->acl_access, b );
 882                                 continue;
 883                         }
 884
 885                         if ( strcasecmp( left, "by" ) == 0 ) {
 886                                 /* we've gone too far */
 887                                 --i;
 888                                 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
 889                                 b->a_type = ACL_STOP;
 890
 891                                 access_append( &a->acl_access, b );
 892                                 continue;
 893                         }
 894
 895                         /* get <access> */
 896                         if( strncasecmp( left, "self", 4 ) == 0 ) {
 897                                 b->a_dn_self = 1;
 898                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[4] ) );
 899
 900                         } else {
 901                                 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( left ) );
 902                         }
 903
 904                         if( ACL_IS_INVALID( b->a_access_mask ) ) {
 905                                 fprintf( stderr,
 906                                         "%s: line %d: expecting <access> got \"%s\"\n",
 907                                         fname, lineno, left );
 908                                 acl_usage();
 909                         }
 910
 911                         b->a_type = ACL_STOP;
 912
 913                         if( ++i == argc ) {
 914                                 /* out of arguments or plain stop */
 915                                 access_append( &a->acl_access, b );
 916                                 continue;
 917                         }
 918
 919                         if( strcasecmp( argv[i], "continue" ) == 0 ) {
 920                                 /* plain continue */
 921                                 b->a_type = ACL_CONTINUE;
 922
 923                         } else if( strcasecmp( argv[i], "break" ) == 0 ) {
 924                                 /* plain continue */
 925                                 b->a_type = ACL_BREAK;
 926
 927                         } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
 928                                 /* gone to far */
 929                                 i--;
 930                         }
 931
 932                         access_append( &a->acl_access, b );
 933
 934                 } else {
 935                         fprintf( stderr,
 936                     "%s: line %d: expecting \"to\" or \"by\" got \"%s\"\n",
 937                             fname, lineno, argv[i] );
 938                         acl_usage();
 939                 }
 940         }
 941
 942         /* if we have no real access clause, complain and do nothing */
 943         if ( a == NULL ) {
 944                         fprintf( stderr,
 945                                 "%s: line %d: warning: no access clause(s) specified in access line\n",
 946                             fname, lineno );
 947
 948         } else {
 949 #ifdef LDAP_DEBUG
 950                 if (ldap_debug & LDAP_DEBUG_ACL)
 951                         print_acl(be, a);
 952 #endif
 953
 954                 if ( a->acl_access == NULL ) {
 955                         fprintf( stderr,
 956                         "%s: line %d: warning: no by clause(s) specified in access line\n",
 957                             fname, lineno );
 958                 }
 959
 960                 if ( be != NULL ) {
 961                         acl_append( &be->be_acl, a );
 962                 } else {
 963                         acl_append( &global_acl, a );
 964                 }
 965         }
 966 }
 967
 968 char *
 969 accessmask2str( slap_mask_t mask, char *buf )
 970 {
 971         int none=1;
 972
 973         assert( buf != NULL );
 974
 975         if ( ACL_IS_INVALID( mask ) ) {
 976                 return "invalid";
 977         }
 978
 979         buf[0] = '\0';
 980
 981         if ( ACL_IS_LEVEL( mask ) ) {
 982                 if ( ACL_LVL_IS_NONE(mask) ) {
 983                         strcat( buf, "none" );
 984
 985                 } else if ( ACL_LVL_IS_AUTH(mask) ) {
 986                         strcat( buf, "auth" );
 987
 988                 } else if ( ACL_LVL_IS_COMPARE(mask) ) {
 989                         strcat( buf, "compare" );
 990
 991                 } else if ( ACL_LVL_IS_SEARCH(mask) ) {
 992                         strcat( buf, "search" );
 993
 994                 } else if ( ACL_LVL_IS_READ(mask) ) {
 995                         strcat( buf, "read" );
 996
 997                 } else if ( ACL_LVL_IS_WRITE(mask) ) {
 998                         strcat( buf, "write" );
 999                 } else {
1000                         strcat( buf, "unknown" );
1001                 }
1002
1003                 strcat(buf, " (");
1004         }
1005
1006         if( ACL_IS_ADDITIVE( mask ) ) {
1007                 strcat( buf, "+" );
1008
1009         } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
1010                 strcat( buf, "-" );
1011
1012         } else {
1013                 strcat( buf, "=" );
1014         }
1015
1016         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
1017                 none = 0;
1018                 strcat( buf, "w" );
1019         }
1020
1021         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
1022                 none = 0;
1023                 strcat( buf, "r" );
1024         }
1025
1026         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
1027                 none = 0;
1028                 strcat( buf, "s" );
1029         }
1030
1031         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
1032                 none = 0;
1033                 strcat( buf, "c" );
1034         }
1035
1036         if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
1037                 none = 0;
1038                 strcat( buf, "x" );
1039         }
1040
1041         if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
1042                 none = 0;
1043                 strcat( buf, "n" );
1044         }
1045
1046         if ( none ) {
1047                 strcat( buf, "0" );
1048         }
1049
1050         if ( ACL_IS_LEVEL( mask ) ) {
1051                 strcat(buf, ")");
1052         }
1053         return buf;
1054 }
1055
1056 slap_mask_t
1057 str2accessmask( const char *str )
1058 {
1059         slap_mask_t     mask;
1060
1061         if( !ASCII_ALPHA(str[0]) ) {
1062                 int i;
1063
1064                 if ( str[0] == '=' ) {
1065                         ACL_INIT(mask);
1066
1067                 } else if( str[0] == '+' ) {
1068                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
1069
1070                 } else if( str[0] == '-' ) {
1071                         ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
1072
1073                 } else {
1074                         ACL_INVALIDATE(mask);
1075                         return mask;
1076                 }
1077
1078                 for( i=1; str[i] != '\0'; i++ ) {
1079                         if( TOLOWER(str[i]) == 'w' ) {
1080                                 ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
1081
1082                         } else if( TOLOWER(str[i]) == 'r' ) {
1083                                 ACL_PRIV_SET(mask, ACL_PRIV_READ);
1084
1085                         } else if( TOLOWER(str[i]) == 's' ) {
1086                                 ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
1087
1088                         } else if( TOLOWER(str[i]) == 'c' ) {
1089                                 ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
1090
1091                         } else if( TOLOWER(str[i]) == 'x' ) {
1092                                 ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
1093
1094                         } else if( str[i] != '0' ) {
1095                                 ACL_INVALIDATE(mask);
1096                                 return mask;
1097                         }
1098                 }
1099
1100                 return mask;
1101         }
1102
1103         if ( strcasecmp( str, "none" ) == 0 ) {
1104                 ACL_LVL_ASSIGN_NONE(mask);
1105
1106         } else if ( strcasecmp( str, "auth" ) == 0 ) {
1107                 ACL_LVL_ASSIGN_AUTH(mask);
1108
1109         } else if ( strcasecmp( str, "compare" ) == 0 ) {
1110                 ACL_LVL_ASSIGN_COMPARE(mask);
1111
1112         } else if ( strcasecmp( str, "search" ) == 0 ) {
1113                 ACL_LVL_ASSIGN_SEARCH(mask);
1114
1115         } else if ( strcasecmp( str, "read" ) == 0 ) {
1116                 ACL_LVL_ASSIGN_READ(mask);
1117
1118         } else if ( strcasecmp( str, "write" ) == 0 ) {
1119                 ACL_LVL_ASSIGN_WRITE(mask);
1120
1121         } else {
1122                 ACL_INVALIDATE( mask );
1123         }
1124
1125         return mask;
1126 }
1127
1128 static void
1129 acl_usage( void )
1130 {
1131         fprintf( stderr, "\n"
1132                 "<access clause> ::= access to <what> "
1133                                 "[ by <who> <access> [ <control> ] ]+ \n"
1134                 "<what> ::= * | [dn[.<dnstyle>]=<regex>] [filter=<ldapfilter>] [attrs=<attrlist>]\n"
1135                 "<attrlist> ::= <attr> | <attr> , <attrlist>\n"
1136                 "<attr> ::= <attrname> | entry | children\n"
1137                 "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<regex> ]\n"
1138                         "\t[dnattr=<attrname>]\n"
1139                         "\t[group[/<objectclass>[/<attrname>]][.<style>]=<regex>]\n"
1140                         "\t[peername[.<style>]=<regex>] [sockname[.<style>]=<regex>]\n"
1141                         "\t[domain[.<style>]=<regex>] [sockurl[.<style>]=<regex>]\n"
1142 #ifdef SLAPD_ACI_ENABLED
1143                         "\t[aci=<attrname>]\n"
1144 #endif
1145                         "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
1146                 "<dnstyle> ::= regex | base | exact (alias of base) | one | sub | children\n"
1147                 "<style> ::= regex | base | exact (alias of base)\n"
1148                 "<groupflags> ::= R\n"
1149                 "<access> ::= [self]{<level>|<priv>}\n"
1150                 "<level> ::= none | auth | compare | search | read | write\n"
1151                 "<priv> ::= {=|+|-}{w|r|s|c|x}+\n"
1152                 "<control> ::= [ stop | continue | break ]\n"
1153                 );
1154         exit( EXIT_FAILURE );
1155 }
1156
1157 /*
1158  * At present it simply eats the (optional) space after
1159  * a RDN separator (,)
1160  * Eventually will evolve in a more complete normalization
1161  */
1162 static char *
1163 acl_regex_normalized_dn(
1164         const char *pattern
1165 )
1166 {
1167         char *str, *p;
1168
1169         str = ch_strdup( pattern );
1170
1171         if ( str == NULL ) {
1172                 return( NULL );
1173         }
1174
1175         for ( p = str; p[ 0 ]; p++ ) {
1176                 /* escape */
1177                 if ( p[ 0 ] == '\\' ) {
1178                         p++;
1179                 }
1180
1181                 if ( p[ 0 ] == ',' ) {
1182                         if ( p[ 1 ] == ' ' ) {
1183                                 char *q;
1184
1185                                 for ( q = &p[ 2 ]; q[ 0 ] == ' '; q++ ) {
1186                                         /* DO NOTHING */ ;
1187                                 }
1188                                 AC_MEMCPY( &p[ 1 ], &q[ 0 ], strlen( q ) + 1 );
1189                         }
1190                 }
1191         }
1192
1193         return( str );
1194 }
1195
1196 static void
1197 split(
1198     char        *line,
1199     int         splitchar,
1200     char        **left,
1201     char        **right
1202 )
1203 {
1204         *left = line;
1205         if ( (*right = strchr( line, splitchar )) != NULL ) {
1206                 *((*right)++) = '\0';
1207         }
1208 }
1209
1210 static void
1211 access_append( Access **l, Access *a )
1212 {
1213         for ( ; *l != NULL; l = &(*l)->a_next )
1214                 ;       /* NULL */
1215
1216         *l = a;
1217 }
1218
1219 void
1220 acl_append( AccessControl **l, AccessControl *a )
1221 {
1222         for ( ; *l != NULL; l = &(*l)->acl_next )
1223                 ;       /* NULL */
1224
1225         *l = a;
1226 }
1227
1228 static void
1229 access_free( Access *a )
1230 {
1231         if ( a->a_dn_pat.bv_val )
1232                 free ( a->a_dn_pat.bv_val );
1233         if ( a->a_peername_pat )
1234                 free ( a->a_peername_pat );
1235         if ( a->a_sockname_pat )
1236                 free ( a->a_sockname_pat );
1237         if ( a->a_domain_pat )
1238                 free ( a->a_domain_pat );
1239         if ( a->a_sockurl_pat )
1240                 free ( a->a_sockurl_pat );
1241         if ( a->a_set_pat.bv_len )
1242                 free ( a->a_set_pat.bv_val );
1243         if ( a->a_group_pat )
1244                 free ( a->a_group_pat );
1245         free( a );
1246 }
1247
1248 void
1249 acl_free( AccessControl *a )
1250 {
1251         Access *n;
1252
1253         if ( a->acl_filter )
1254                 filter_free( a->acl_filter );
1255         if ( a->acl_dn_pat.bv_len )
1256                 free ( a->acl_dn_pat.bv_val );
1257         if ( a->acl_attrs )
1258                 charray_free( a->acl_attrs );
1259         for (; a->acl_access; a->acl_access = n) {
1260                 n = a->acl_access->a_next;
1261                 access_free( a->acl_access );
1262         }
1263         free( a );
1264 }
1265
1266 /* Because backend_startup uses acl_append to tack on the global_acl to
1267  * the end of each backend's acl, we cannot just take one argument and
1268  * merrily free our way to the end of the list. backend_destroy calls us
1269  * with the be_acl in arg1, and global_acl in arg2 to give us a stopping
1270  * point. config_destroy calls us with global_acl in arg1 and NULL in
1271  * arg2, so we then proceed to polish off the global_acl.
1272  */
1273 void
1274 acl_destroy( AccessControl *a, AccessControl *end )
1275 {
1276         AccessControl *n;
1277
1278         for (; a && a!= end; a=n) {
1279                 n = a->acl_next;
1280                 acl_free( a );
1281         }
1282 }
1283
1284 char *
1285 access2str( slap_access_t access )
1286 {
1287         if ( access == ACL_NONE ) {
1288                 return "none";
1289
1290         } else if ( access == ACL_AUTH ) {
1291                 return "auth";
1292
1293         } else if ( access == ACL_COMPARE ) {
1294                 return "compare";
1295
1296         } else if ( access == ACL_SEARCH ) {
1297                 return "search";
1298
1299         } else if ( access == ACL_READ ) {
1300                 return "read";
1301
1302         } else if ( access == ACL_WRITE ) {
1303                 return "write";
1304         }
1305
1306         return "unknown";
1307 }
1308
1309 slap_access_t
1310 str2access( const char *str )
1311 {
1312         if ( strcasecmp( str, "none" ) == 0 ) {
1313                 return ACL_NONE;
1314
1315         } else if ( strcasecmp( str, "auth" ) == 0 ) {
1316                 return ACL_AUTH;
1317
1318         } else if ( strcasecmp( str, "compare" ) == 0 ) {
1319                 return ACL_COMPARE;
1320
1321         } else if ( strcasecmp( str, "search" ) == 0 ) {
1322                 return ACL_SEARCH;
1323
1324         } else if ( strcasecmp( str, "read" ) == 0 ) {
1325                 return ACL_READ;
1326
1327         } else if ( strcasecmp( str, "write" ) == 0 ) {
1328                 return ACL_WRITE;
1329         }
1330
1331         return( ACL_INVALID_ACCESS );
1332 }
1333
1334 #ifdef LDAP_DEBUG
1335
1336 static char *style_strings[5] = {
1337                         "regex",
1338                         "base",
1339                         "one",
1340                         "subtree",
1341                         "children"
1342                 };
1343
1344
1345 static void
1346 print_access( Access *b )
1347 {
1348         char maskbuf[ACCESSMASK_MAXLEN];
1349
1350         fprintf( stderr, "\tby" );
1351
1352         if ( b->a_dn_pat.bv_len != 0 ) {
1353                 if( strcmp(b->a_dn_pat.bv_val, "*") == 0
1354                         || strcmp(b->a_dn_pat.bv_val, "users") == 0
1355                         || strcmp(b->a_dn_pat.bv_val, "anonymous") == 0
1356                         || strcmp(b->a_dn_pat.bv_val, "self") == 0 )
1357                 {
1358                         fprintf( stderr, " %s", b->a_dn_pat.bv_val );
1359
1360                 } else {
1361                         fprintf( stderr, " dn.%s=%s", style_strings[b->a_dn_style], b->a_dn_pat.bv_val );
1362                 }
1363         }
1364
1365         if ( b->a_dn_at != NULL ) {
1366                 fprintf( stderr, " dnattr=%s", b->a_dn_at->ad_cname.bv_val );
1367         }
1368
1369         if ( b->a_group_pat != NULL ) {
1370                 fprintf( stderr, " group=%s", b->a_group_pat );
1371
1372                 if ( b->a_group_oc ) {
1373                         fprintf( stderr, " objectClass: %s",
1374                                 b->a_group_oc->soc_oclass.oc_oid );
1375
1376                         if ( b->a_group_at ) {
1377                                 fprintf( stderr, " attributeType: %s", b->a_group_at->ad_cname.bv_val );
1378                         }
1379                 }
1380     }
1381
1382         if ( b->a_peername_pat != NULL ) {
1383                 fprintf( stderr, " peername=%s", b->a_peername_pat );
1384         }
1385
1386         if ( b->a_sockname_pat != NULL ) {
1387                 fprintf( stderr, " sockname=%s", b->a_sockname_pat );
1388         }
1389
1390         if ( b->a_domain_pat != NULL ) {
1391                 fprintf( stderr, " domain=%s", b->a_domain_pat );
1392         }
1393
1394         if ( b->a_sockurl_pat != NULL ) {
1395                 fprintf( stderr, " sockurl=%s", b->a_sockurl_pat );
1396         }
1397
1398 #ifdef SLAPD_ACI_ENABLED
1399         if ( b->a_aci_at != NULL ) {
1400                 fprintf( stderr, " aci=%s", b->a_aci_at->ad_cname.bv_val );
1401         }
1402 #endif
1403
1404         /* Security Strength Factors */
1405         if ( b->a_authz.sai_ssf ) {
1406                 fprintf( stderr, " ssf=%u",
1407                         b->a_authz.sai_ssf );
1408         }
1409         if ( b->a_authz.sai_transport_ssf ) {
1410                 fprintf( stderr, " transport_ssf=%u",
1411                         b->a_authz.sai_transport_ssf );
1412         }
1413         if ( b->a_authz.sai_tls_ssf ) {
1414                 fprintf( stderr, " tls_ssf=%u",
1415                         b->a_authz.sai_tls_ssf );
1416         }
1417         if ( b->a_authz.sai_sasl_ssf ) {
1418                 fprintf( stderr, " sasl_ssf=%u",
1419                         b->a_authz.sai_sasl_ssf );
1420         }
1421
1422         fprintf( stderr, " %s%s",
1423                 b->a_dn_self ? "self" : "",
1424                 accessmask2str( b->a_access_mask, maskbuf ) );
1425
1426         if( b->a_type == ACL_BREAK ) {
1427                 fprintf( stderr, " break" );
1428
1429         } else if( b->a_type == ACL_CONTINUE ) {
1430                 fprintf( stderr, " continue" );
1431
1432         } else if( b->a_type != ACL_STOP ) {
1433                 fprintf( stderr, " unknown-control" );
1434         }
1435
1436         fprintf( stderr, "\n" );
1437 }
1438
1439
1440 static void
1441 print_acl( Backend *be, AccessControl *a )
1442 {
1443         int             to = 0;
1444         Access  *b;
1445
1446         fprintf( stderr, "%s ACL: access to",
1447                 be == NULL ? "Global" : "Backend" );
1448
1449         if ( a->acl_dn_pat.bv_len != 0 ) {
1450                 to++;
1451                 fprintf( stderr, " dn.%s=%s\n",
1452                         style_strings[a->acl_dn_style], a->acl_dn_pat.bv_val );
1453         }
1454
1455         if ( a->acl_filter != NULL ) {
1456                 to++;
1457                 fprintf( stderr, " filter=" );
1458                 filter_print( a->acl_filter );
1459                 fprintf( stderr, "\n" );
1460         }
1461
1462         if ( a->acl_attrs != NULL ) {
1463                 int     i, first = 1;
1464                 to++;
1465
1466                 fprintf( stderr, " attrs=" );
1467                 for ( i = 0; a->acl_attrs[i] != NULL; i++ ) {
1468                         if ( ! first ) {
1469                                 fprintf( stderr, "," );
1470                         }
1471                         fprintf( stderr, a->acl_attrs[i] );
1472                         first = 0;
1473                 }
1474                 fprintf(  stderr, "\n" );
1475         }
1476
1477         if( !to ) {
1478                 fprintf( stderr, " *\n" );
1479         }
1480
1481         for ( b = a->acl_access; b != NULL; b = b->a_next ) {
1482                 print_access( b );
1483         }
1484
1485         fprintf( stderr, "\n" );
1486 }
1487
1488 #endif /* LDAP_DEBUG */