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

   1 /* config.c - configuration file handling routines */
   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/string.h>
  13 #include <ac/ctype.h>
  14 #include <ac/socket.h>
  15
  16 #include "ldap_pvt.h"
  17 #include "slap.h"
  18
  19 #define MAXARGS 200
  20
  21 /*
  22  * defaults for various global variables
  23  */
  24 int             defsize = SLAPD_DEFAULT_SIZELIMIT;
  25 int             deftime = SLAPD_DEFAULT_TIMELIMIT;
  26 AccessControl   *global_acl = NULL;
  27 slap_access_t           global_default_access = ACL_READ;
  28 slap_mask_t             global_restrictops = 0;
  29 slap_mask_t             global_allows = 0;
  30 slap_mask_t             global_disallows = 0;
  31 slap_mask_t             global_requires = 0;
  32 slap_ssf_set_t  global_ssf_set;
  33 char            *replogfile;
  34 int             global_lastmod = ON;
  35 int             global_idletimeout = 0;
  36 char    *global_host = NULL;
  37 char    *global_realm = NULL;
  38 char    *global_ucdata_path = NULL;
  39 char            *ldap_srvtab = "";
  40 char            *default_passwd_hash;
  41
  42 char   *slapd_pid_file  = NULL;
  43 char   *slapd_args_file = NULL;
  44
  45 static char     *fp_getline(FILE *fp, int *lineno);
  46 static void     fp_getline_init(int *lineno);
  47 static int      fp_parse_line(char *line, int *argcp, char **argv);
  48
  49 static char     *strtok_quote(char *line, char *sep);
  50
  51 int
  52 read_config( const char *fname )
  53 {
  54         FILE    *fp;
  55         char    *line, *savefname, *saveline;
  56         int     cargc, savelineno;
  57         char    *cargv[MAXARGS+1];
  58         int     lineno, i;
  59 #ifdef HAVE_TLS
  60         int rc;
  61 #endif
  62         struct berval *vals[2];
  63         struct berval val;
  64
  65         static BackendInfo *bi = NULL;
  66         static BackendDB        *be = NULL;
  67
  68         vals[0] = &val;
  69         vals[1] = NULL;
  70
  71         if ( (fp = fopen( fname, "r" )) == NULL ) {
  72                 ldap_syslog = 1;
  73                 Debug( LDAP_DEBUG_ANY,
  74                     "could not open config file \"%s\" - absolute path?\n",
  75                     fname, 0, 0 );
  76                 perror( fname );
  77                 return 1;
  78         }
  79
  80         Debug( LDAP_DEBUG_CONFIG, "reading config file %s\n", fname, 0, 0 );
  81
  82         fp_getline_init( &lineno );
  83
  84         while ( (line = fp_getline( fp, &lineno )) != NULL ) {
  85                 /* skip comments and blank lines */
  86                 if ( line[0] == '#' || line[0] == '\0' ) {
  87                         continue;
  88                 }
  89
  90                 Debug( LDAP_DEBUG_CONFIG, "line %d (%s)\n", lineno, line, 0 );
  91
  92                 /* fp_parse_line is destructive, we save a copy */
  93                 saveline = ch_strdup( line );
  94
  95                 if ( fp_parse_line( line, &cargc, cargv ) != 0 ) {
  96                         return( 1 );
  97                 }
  98
  99                 if ( cargc < 1 ) {
 100                         Debug( LDAP_DEBUG_ANY,
 101                             "%s: line %d: bad config line (ignored)\n",
 102                             fname, lineno, 0 );
 103                         continue;
 104                 }
 105
 106                 if ( strcasecmp( cargv[0], "backend" ) == 0 ) {
 107                         if ( cargc < 2 ) {
 108                                 Debug( LDAP_DEBUG_ANY,
 109                 "%s: line %d: missing type in \"backend <type>\" line\n",
 110                                     fname, lineno, 0 );
 111                                 return( 1 );
 112                         }
 113
 114                         if( be != NULL ) {
 115                                 Debug( LDAP_DEBUG_ANY,
 116 "%s: line %d: backend line must appear before any database definition\n",
 117                                     fname, lineno, 0 );
 118                                 return( 1 );
 119                         }
 120
 121                         bi = backend_info( cargv[1] );
 122
 123                         if( bi == NULL ) {
 124                                 Debug( LDAP_DEBUG_ANY,
 125                                         "backend %s initialization failed.\n",
 126                                     cargv[1], 0, 0 );
 127                                 return( 1 );
 128                         }
 129
 130                 /* start of a new database definition */
 131                 } else if ( strcasecmp( cargv[0], "database" ) == 0 ) {
 132                         if ( cargc < 2 ) {
 133                                 Debug( LDAP_DEBUG_ANY,
 134                 "%s: line %d: missing type in \"database <type>\" line\n",
 135                                     fname, lineno, 0 );
 136                                 return( 1 );
 137                         }
 138
 139                         bi = NULL;
 140                         be = backend_db_init( cargv[1] );
 141
 142                         if( be == NULL ) {
 143                                 Debug( LDAP_DEBUG_ANY,
 144                                         "database %s initialization failed.\n",
 145                                     cargv[1], 0, 0 );
 146                                 return( 1 );
 147                         }
 148
 149                 /* set thread concurrency */
 150                 } else if ( strcasecmp( cargv[0], "concurrency" ) == 0 ) {
 151                         int c;
 152                         if ( cargc < 2 ) {
 153                                 Debug( LDAP_DEBUG_ANY,
 154             "%s: line %d: missing level in \"concurrency <level>\" line\n",
 155                                     fname, lineno, 0 );
 156                                 return( 1 );
 157                         }
 158
 159                         c = atoi( cargv[1] );
 160
 161                         if( c < 1 ) {
 162                                 Debug( LDAP_DEBUG_ANY,
 163             "%s: line %d: invalid level (%d) in \"concurrency <level>\" line\n",
 164                                     fname, lineno, c );
 165                                 return( 1 );
 166                         }
 167
 168                         ldap_pvt_thread_set_concurrency( c );
 169
 170                 /* set maximum threads in thread pool */
 171                 } else if ( strcasecmp( cargv[0], "threads" ) == 0 ) {
 172                         int c;
 173                         if ( cargc < 2 ) {
 174                                 Debug( LDAP_DEBUG_ANY,
 175             "%s: line %d: missing count in \"threads <count>\" line\n",
 176                                     fname, lineno, 0 );
 177                                 return( 1 );
 178                         }
 179
 180                         c = atoi( cargv[1] );
 181
 182                         if( c < 0 ) {
 183                                 Debug( LDAP_DEBUG_ANY,
 184             "%s: line %d: invalid level (%d) in \"threads <count>\" line\n",
 185                                     fname, lineno, c );
 186                                 return( 1 );
 187                         }
 188
 189                         ldap_pvt_thread_pool_maxthreads( &connection_pool, c );
 190
 191                 /* get pid file name */
 192                 } else if ( strcasecmp( cargv[0], "pidfile" ) == 0 ) {
 193                         if ( cargc < 2 ) {
 194                                 Debug( LDAP_DEBUG_ANY,
 195             "%s: line %d: missing file name in \"pidfile <file>\" line\n",
 196                                     fname, lineno, 0 );
 197                                 return( 1 );
 198                         }
 199
 200                         slapd_pid_file = ch_strdup( cargv[1] );
 201
 202                 /* get args file name */
 203                 } else if ( strcasecmp( cargv[0], "argsfile" ) == 0 ) {
 204                         if ( cargc < 2 ) {
 205                                 Debug( LDAP_DEBUG_ANY,
 206             "%s: line %d: missing file name in \"argsfile <file>\" line\n",
 207                                     fname, lineno, 0 );
 208                                 return( 1 );
 209                         }
 210
 211                         slapd_args_file = ch_strdup( cargv[1] );
 212
 213                 /* default password hash */
 214                 } else if ( strcasecmp( cargv[0], "password-hash" ) == 0 ) {
 215                         if ( cargc < 2 ) {
 216                                 Debug( LDAP_DEBUG_ANY,
 217             "%s: line %d: missing hash in \"password-hash <hash>\" line\n",
 218                                     fname, lineno, 0 );
 219                                 return( 1 );
 220                         }
 221                         if ( default_passwd_hash != NULL ) {
 222                                 Debug( LDAP_DEBUG_ANY,
 223                                         "%s: line %d: already set default password_hash!\n",
 224                                         fname, lineno, 0 );
 225                                 return 1;
 226
 227                         } else {
 228                                 default_passwd_hash = ch_strdup( cargv[1] );
 229                         }
 230
 231                 /* set SASL host */
 232                 } else if ( strcasecmp( cargv[0], "sasl-host" ) == 0 ) {
 233                         if ( cargc < 2 ) {
 234                                 Debug( LDAP_DEBUG_ANY,
 235             "%s: line %d: missing host in \"sasl-host <host>\" line\n",
 236                                     fname, lineno, 0 );
 237                                 return( 1 );
 238                         }
 239
 240                         if ( global_host != NULL ) {
 241                                 Debug( LDAP_DEBUG_ANY,
 242                                         "%s: line %d: already set sasl-host!\n",
 243                                         fname, lineno, 0 );
 244                                 return 1;
 245
 246                         } else {
 247                                 global_host = ch_strdup( cargv[1] );
 248                         }
 249
 250                 /* set SASL realm */
 251                 } else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) {
 252                         if ( cargc < 2 ) {
 253                                 Debug( LDAP_DEBUG_ANY,
 254             "%s: line %d: missing realm in \"sasl-realm <realm>\" line\n",
 255                                     fname, lineno, 0 );
 256                                 return( 1 );
 257                         }
 258
 259                         if ( global_realm != NULL ) {
 260                                 Debug( LDAP_DEBUG_ANY,
 261                                         "%s: line %d: already set sasl-realm!\n",
 262                                         fname, lineno, 0 );
 263                                 return 1;
 264
 265                         } else {
 266                                 global_realm = ch_strdup( cargv[1] );
 267                         }
 268
 269                 /* SASL security properties */
 270                 } else if ( strcasecmp( cargv[0], "sasl-secprops" ) == 0 ) {
 271                         char *txt;
 272
 273                         if ( cargc < 2 ) {
 274                                 Debug( LDAP_DEBUG_ANY,
 275             "%s: line %d: missing flags in \"sasl-secprops <properties>\" line\n",
 276                                     fname, lineno, 0 );
 277                                 return 1;
 278                         }
 279
 280                         txt = slap_sasl_secprops( cargv[1] );
 281                         if ( txt != NULL ) {
 282                                 Debug( LDAP_DEBUG_ANY,
 283             "%s: line %d: sasl-secprops: %s\n",
 284                                     fname, lineno, txt );
 285                                 return 1;
 286                         }
 287
 288                 /* set UCDATA path */
 289                 } else if ( strcasecmp( cargv[0], "ucdata-path" ) == 0 ) {
 290                         if ( cargc < 2 ) {
 291                                 Debug( LDAP_DEBUG_ANY,
 292             "%s: line %d: missing path in \"ucdata-path <path>\" line\n",
 293                                     fname, lineno, 0 );
 294                                 return( 1 );
 295                         }
 296
 297                         if ( global_ucdata_path != NULL ) {
 298                                 Debug( LDAP_DEBUG_ANY,
 299                                         "%s: line %d: already set ucdata-path!\n",
 300                                         fname, lineno, 0 );
 301                                 return 1;
 302
 303                         } else {
 304                                 global_ucdata_path = ch_strdup( cargv[1] );
 305                         }
 306
 307                 /* set time limit */
 308                 } else if ( strcasecmp( cargv[0], "sizelimit" ) == 0 ) {
 309                         if ( cargc < 2 ) {
 310                                 Debug( LDAP_DEBUG_ANY,
 311             "%s: line %d: missing limit in \"sizelimit <limit>\" line\n",
 312                                     fname, lineno, 0 );
 313                                 return( 1 );
 314                         }
 315                         if ( be == NULL ) {
 316                                 defsize = atoi( cargv[1] );
 317                         } else {
 318                                 be->be_sizelimit = atoi( cargv[1] );
 319                         }
 320
 321                 /* set time limit */
 322                 } else if ( strcasecmp( cargv[0], "timelimit" ) == 0 ) {
 323                         if ( cargc < 2 ) {
 324                                 Debug( LDAP_DEBUG_ANY,
 325             "%s: line %d: missing limit in \"timelimit <limit>\" line\n",
 326                                     fname, lineno, 0 );
 327                                 return( 1 );
 328                         }
 329                         if ( be == NULL ) {
 330                                 deftime = atoi( cargv[1] );
 331                         } else {
 332                                 be->be_timelimit = atoi( cargv[1] );
 333                         }
 334
 335                 /* set database suffix */
 336                 } else if ( strcasecmp( cargv[0], "suffix" ) == 0 ) {
 337                         Backend *tmp_be;
 338                         if ( cargc < 2 ) {
 339                                 Debug( LDAP_DEBUG_ANY,
 340                     "%s: line %d: missing dn in \"suffix <dn>\" line\n",
 341                                     fname, lineno, 0 );
 342                                 return( 1 );
 343                         } else if ( cargc > 2 ) {
 344                                 Debug( LDAP_DEBUG_ANY,
 345     "%s: line %d: extra cruft after <dn> in \"suffix %s\" line (ignored)\n",
 346                                     fname, lineno, cargv[1] );
 347                         }
 348                         if ( be == NULL ) {
 349                                 Debug( LDAP_DEBUG_ANY,
 350 "%s: line %d: suffix line must appear inside a database definition (ignored)\n",
 351                                     fname, lineno, 0 );
 352                         } else if ( ( tmp_be = select_backend( cargv[1] ) ) == be ) {
 353                                 Debug( LDAP_DEBUG_ANY,
 354 "%s: line %d: suffix already served by this backend (ignored)\n",
 355                                     fname, lineno, 0 );
 356                         } else if ( tmp_be  != NULL ) {
 357                                 Debug( LDAP_DEBUG_ANY,
 358 "%s: line %d: suffix already served by a preceeding backend \"%s\" (ignored)\n",
 359                                     fname, lineno, tmp_be->be_suffix[0] );
 360                         } else {
 361                                 char *dn = ch_strdup( cargv[1] );
 362                                 (void) dn_validate( dn );
 363                                 charray_add( &be->be_suffix, dn );
 364                                 (void) ldap_pvt_str2upper( dn );
 365                                 charray_add( &be->be_nsuffix, dn );
 366                                 free( dn );
 367                         }
 368
 369                 /* set database suffixAlias */
 370                 } else if ( strcasecmp( cargv[0], "suffixAlias" ) == 0 ) {
 371                         Backend *tmp_be;
 372                         if ( cargc < 2 ) {
 373                                 Debug( LDAP_DEBUG_ANY,
 374 "%s: line %d: missing alias and aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 375                                         fname, lineno, 0 );
 376                                 return( 1 );
 377                         } else if ( cargc < 3 ) {
 378                                 Debug( LDAP_DEBUG_ANY,
 379 "%s: line %d: missing aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 380                                 fname, lineno, 0 );
 381                                 return( 1 );
 382                         } else if ( cargc > 3 ) {
 383                                 Debug( LDAP_DEBUG_ANY,
 384                                         "%s: line %d: extra cruft in suffixAlias line (ignored)\n",
 385                                 fname, lineno, 0 );
 386                         }
 387
 388                         if ( be == NULL ) {
 389                                 Debug( LDAP_DEBUG_ANY,
 390                                         "%s: line %d: suffixAlias line"
 391                                         " must appear inside a database definition (ignored)\n",
 392                                         fname, lineno, 0 );
 393                         } else if ( (tmp_be = select_backend( cargv[1] )) != NULL ) {
 394                                 Debug( LDAP_DEBUG_ANY,
 395                                         "%s: line %d: suffixAlias served by"
 396                                         "  a preceeding backend \"%s\" (ignored)\n",
 397                                         fname, lineno, tmp_be->be_suffix[0] );
 398
 399                         } else if ( (tmp_be = select_backend( cargv[2] )) != NULL ) {
 400                                 Debug( LDAP_DEBUG_ANY,
 401                                         "%s: line %d: suffixAlias derefs to differnet backend"
 402                                         "  a preceeding backend \"%s\" (ignored)\n",
 403                                         fname, lineno, tmp_be->be_suffix[0] );
 404
 405                         } else {
 406                                 char *alias, *aliased_dn;
 407
 408                                 alias = ch_strdup( cargv[1] );
 409                                 (void) dn_normalize( alias );
 410
 411                                 aliased_dn = ch_strdup( cargv[2] );
 412                                 (void) dn_normalize( aliased_dn );
 413
 414                                 charray_add( &be->be_suffixAlias, alias );
 415                                 charray_add( &be->be_suffixAlias, aliased_dn );
 416
 417                                 free(alias);
 418                                 free(aliased_dn);
 419                         }
 420
 421                /* set max deref depth */
 422                } else if ( strcasecmp( cargv[0], "maxDerefDepth" ) == 0 ) {
 423                                         int i;
 424                        if ( cargc < 2 ) {
 425                                Debug( LDAP_DEBUG_ANY,
 426                    "%s: line %d: missing depth in \"maxDerefDepth <depth>\" line\n",
 427                                    fname, lineno, 0 );
 428                                return( 1 );
 429                        }
 430                        if ( be == NULL ) {
 431                                Debug( LDAP_DEBUG_ANY,
 432 "%s: line %d: depth line must appear inside a database definition (ignored)\n",
 433                                    fname, lineno, 0 );
 434                        } else if ((i = atoi(cargv[1])) < 0) {
 435                                Debug( LDAP_DEBUG_ANY,
 436 "%s: line %d: depth must be positive (ignored)\n",
 437                                    fname, lineno, 0 );
 438
 439                        } else {
 440                            be->be_max_deref_depth = i;
 441                                            }
 442
 443
 444                 /* set magic "root" dn for this database */
 445                 } else if ( strcasecmp( cargv[0], "rootdn" ) == 0 ) {
 446                         if ( cargc < 2 ) {
 447                                 Debug( LDAP_DEBUG_ANY,
 448                     "%s: line %d: missing dn in \"rootdn <dn>\" line\n",
 449                                     fname, lineno, 0 );
 450                                 return( 1 );
 451                         }
 452                         if ( be == NULL ) {
 453                                 Debug( LDAP_DEBUG_ANY,
 454 "%s: line %d: rootdn line must appear inside a database definition (ignored)\n",
 455                                     fname, lineno, 0 );
 456                         } else {
 457                                 be->be_root_dn = ch_strdup( cargv[1] );
 458                                 be->be_root_ndn = ch_strdup( cargv[1] );
 459
 460                                 if( dn_normalize( be->be_root_ndn ) == NULL ) {
 461                                         free( be->be_root_dn );
 462                                         free( be->be_root_ndn );
 463                                         Debug( LDAP_DEBUG_ANY,
 464 "%s: line %d: rootdn DN is invalid\n",
 465                                            fname, lineno, 0 );
 466                                         return( 1 );
 467                                 }
 468                         }
 469
 470                 /* set super-secret magic database password */
 471                 } else if ( strcasecmp( cargv[0], "rootpw" ) == 0 ) {
 472                         if ( cargc < 2 ) {
 473                                 Debug( LDAP_DEBUG_ANY,
 474             "%s: line %d: missing passwd in \"rootpw <passwd>\" line\n",
 475                                     fname, lineno, 0 );
 476                                 return( 1 );
 477                         }
 478                         if ( be == NULL ) {
 479                                 Debug( LDAP_DEBUG_ANY,
 480 "%s: line %d: rootpw line must appear inside a database definition (ignored)\n",
 481                                     fname, lineno, 0 );
 482                         } else {
 483                                 be->be_root_pw.bv_val = ch_strdup( cargv[1] );
 484                                 be->be_root_pw.bv_len = strlen( be->be_root_pw.bv_val );
 485                         }
 486
 487                 /* make this database read-only */
 488                 } else if ( strcasecmp( cargv[0], "readonly" ) == 0 ) {
 489                         if ( cargc < 2 ) {
 490                                 Debug( LDAP_DEBUG_ANY,
 491             "%s: line %d: missing on|off in \"readonly <on|off>\" line\n",
 492                                     fname, lineno, 0 );
 493                                 return( 1 );
 494                         }
 495                         if ( be == NULL ) {
 496                                 if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 497                                         global_restrictops |= SLAP_RESTRICT_OP_WRITES;
 498                                 } else {
 499                                         global_restrictops &= ~SLAP_RESTRICT_OP_WRITES;
 500                                 }
 501                         } else {
 502                                 if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 503                                         be->be_restrictops |= SLAP_RESTRICT_OP_WRITES;
 504                                 } else {
 505                                         be->be_restrictops &= ~SLAP_RESTRICT_OP_WRITES;
 506                                 }
 507                         }
 508
 509
 510                 /* allow these features */
 511                 } else if ( strcasecmp( cargv[0], "allows" ) == 0 ||
 512                         strcasecmp( cargv[0], "allow" ) == 0 )
 513                 {
 514                         slap_mask_t     allows;
 515
 516                         if ( be != NULL ) {
 517                                 Debug( LDAP_DEBUG_ANY,
 518 "%s: line %d: allow line must appear prior to database definitions\n",
 519                                     fname, lineno, 0 );
 520                         }
 521
 522                         if ( cargc < 2 ) {
 523                                 Debug( LDAP_DEBUG_ANY,
 524             "%s: line %d: missing feature(s) in \"allow <features>\" line\n",
 525                                     fname, lineno, 0 );
 526                                 return( 1 );
 527                         }
 528
 529                         allows = 0;
 530
 531                         for( i=1; i < cargc; i++ ) {
 532                                 if( strcasecmp( cargv[i], "tls_2_anon" ) == 0 ) {
 533                                         allows |= SLAP_ALLOW_TLS_2_ANON;
 534
 535                                 } else if( strcasecmp( cargv[i], "none" ) != 0 ) {
 536                                         Debug( LDAP_DEBUG_ANY,
 537                     "%s: line %d: unknown feature %s in \"allow <features>\" line\n",
 538                                             fname, lineno, cargv[i] );
 539                                         return( 1 );
 540                                 }
 541                         }
 542
 543                         global_allows = allows;
 544
 545                 /* disallow these features */
 546                 } else if ( strcasecmp( cargv[0], "disallows" ) == 0 ||
 547                         strcasecmp( cargv[0], "disallow" ) == 0 )
 548                 {
 549                         slap_mask_t     disallows;
 550
 551                         if ( be != NULL ) {
 552                                 Debug( LDAP_DEBUG_ANY,
 553 "%s: line %d: disallow line must appear prior to database definitions\n",
 554                                     fname, lineno, 0 );
 555                         }
 556
 557                         if ( cargc < 2 ) {
 558                                 Debug( LDAP_DEBUG_ANY,
 559             "%s: line %d: missing feature(s) in \"disallow <features>\" line\n",
 560                                     fname, lineno, 0 );
 561                                 return( 1 );
 562                         }
 563
 564                         disallows = 0;
 565
 566                         for( i=1; i < cargc; i++ ) {
 567                                 if( strcasecmp( cargv[i], "bind_v2" ) == 0 ) {
 568                                         disallows |= SLAP_DISALLOW_BIND_V2;
 569
 570                                 } else if( strcasecmp( cargv[i], "bind_anon" ) == 0 ) {
 571                                         disallows |= SLAP_DISALLOW_BIND_ANON;
 572
 573                                 } else if( strcasecmp( cargv[i], "bind_anon_cred" ) == 0 ) {
 574                                         disallows |= SLAP_DISALLOW_BIND_ANON_CRED;
 575
 576                                 } else if( strcasecmp( cargv[i], "bind_anon_dn" ) == 0 ) {
 577                                         disallows |= SLAP_DISALLOW_BIND_ANON_DN;
 578
 579                                 } else if( strcasecmp( cargv[i], "tls_authc" ) == 0 ) {
 580                                         disallows |= SLAP_DISALLOW_TLS_AUTHC;
 581
 582                                 } else if( strcasecmp( cargv[i], "none" ) != 0 ) {
 583                                         Debug( LDAP_DEBUG_ANY,
 584                     "%s: line %d: unknown feature %s in \"disallow <features>\" line\n",
 585                                             fname, lineno, cargv[i] );
 586                                         return( 1 );
 587                                 }
 588                         }
 589
 590                         global_disallows = disallows;
 591
 592                 /* require these features */
 593                 } else if ( strcasecmp( cargv[0], "requires" ) == 0 ||
 594                         strcasecmp( cargv[0], "require" ) == 0 )
 595                 {
 596                         slap_mask_t     requires;
 597
 598                         if ( cargc < 2 ) {
 599                                 Debug( LDAP_DEBUG_ANY,
 600             "%s: line %d: missing feature(s) in \"require <features>\" line\n",
 601                                     fname, lineno, 0 );
 602                                 return( 1 );
 603                         }
 604
 605                         requires = 0;
 606
 607                         for( i=1; i < cargc; i++ ) {
 608                                 if( strcasecmp( cargv[i], "bind" ) == 0 ) {
 609                                         requires |= SLAP_REQUIRE_BIND;
 610
 611                                 } else if( strcasecmp( cargv[i], "LDAPv3" ) == 0 ) {
 612                                         requires |= SLAP_REQUIRE_LDAP_V3;
 613
 614                                 } else if( strcasecmp( cargv[i], "authc" ) == 0 ) {
 615                                         requires |= SLAP_REQUIRE_AUTHC;
 616
 617                                 } else if( strcasecmp( cargv[i], "SASL" ) == 0 ) {
 618                                         requires |= SLAP_REQUIRE_SASL;
 619
 620                                 } else if( strcasecmp( cargv[i], "strong" ) == 0 ) {
 621                                         requires |= SLAP_REQUIRE_STRONG;
 622
 623                                 } else if( strcasecmp( cargv[i], "none" ) != 0 ) {
 624                                         Debug( LDAP_DEBUG_ANY,
 625                     "%s: line %d: unknown feature %s in \"require <features>\" line\n",
 626                                             fname, lineno, cargv[i] );
 627                                         return( 1 );
 628                                 }
 629                         }
 630
 631                         if ( be == NULL ) {
 632                                 global_requires = requires;
 633                         } else {
 634                                 be->be_requires = requires;
 635                         }
 636
 637                 /* required security factors */
 638                 } else if ( strcasecmp( cargv[0], "security" ) == 0 ) {
 639                         slap_ssf_set_t *set;
 640
 641                         if ( cargc < 2 ) {
 642                                 Debug( LDAP_DEBUG_ANY,
 643             "%s: line %d: missing factor(s) in \"security <factors>\" line\n",
 644                                     fname, lineno, 0 );
 645                                 return( 1 );
 646                         }
 647
 648                         if ( be == NULL ) {
 649                                 set = &global_ssf_set;
 650                         } else {
 651                                 set = &be->be_ssf_set;
 652                         }
 653
 654                         for( i=1; i < cargc; i++ ) {
 655                                 if( strncasecmp( cargv[i], "ssf=",
 656                                         sizeof("ssf") ) == 0 )
 657                                 {
 658                                         set->sss_ssf =
 659                                                 atoi( &cargv[i][sizeof("ssf")] );
 660
 661                                 } else if( strncasecmp( cargv[i], "transport=",
 662                                         sizeof("transport") ) == 0 )
 663                                 {
 664                                         set->sss_transport =
 665                                                 atoi( &cargv[i][sizeof("transport")] );
 666
 667                                 } else if( strncasecmp( cargv[i], "tls=",
 668                                         sizeof("tls") ) == 0 )
 669                                 {
 670                                         set->sss_tls =
 671                                                 atoi( &cargv[i][sizeof("tls")] );
 672
 673                                 } else if( strncasecmp( cargv[i], "sasl=",
 674                                         sizeof("sasl") ) == 0 )
 675                                 {
 676                                         set->sss_sasl =
 677                                                 atoi( &cargv[i][sizeof("sasl")] );
 678
 679                                 } else if( strncasecmp( cargv[i], "update_ssf=",
 680                                         sizeof("update_ssf") ) == 0 )
 681                                 {
 682                                         set->sss_update_ssf =
 683                                                 atoi( &cargv[i][sizeof("update_ssf")] );
 684
 685                                 } else if( strncasecmp( cargv[i], "update_transport=",
 686                                         sizeof("update_transport") ) == 0 )
 687                                 {
 688                                         set->sss_update_transport =
 689                                                 atoi( &cargv[i][sizeof("update_transport")] );
 690
 691                                 } else if( strncasecmp( cargv[i], "update_tls=",
 692                                         sizeof("update_tls") ) == 0 )
 693                                 {
 694                                         set->sss_update_tls =
 695                                                 atoi( &cargv[i][sizeof("update_tls")] );
 696
 697                                 } else if( strncasecmp( cargv[i], "update_sasl=",
 698                                         sizeof("update_sasl") ) == 0 )
 699                                 {
 700                                         set->sss_update_sasl =
 701                                                 atoi( &cargv[i][sizeof("update_sasl")] );
 702
 703                                 } else {
 704                                         Debug( LDAP_DEBUG_ANY,
 705                     "%s: line %d: unknown factor %s in \"security <factors>\" line\n",
 706                                             fname, lineno, cargv[i] );
 707                                         return( 1 );
 708                                 }
 709                         }
 710
 711
 712                 /* where to send clients when we don't hold it */
 713                 } else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
 714                         if ( cargc < 2 ) {
 715                                 Debug( LDAP_DEBUG_ANY,
 716                     "%s: line %d: missing URL in \"referral <URL>\" line\n",
 717                                     fname, lineno, 0 );
 718                                 return( 1 );
 719                         }
 720
 721                         vals[0]->bv_val = cargv[1];
 722                         vals[0]->bv_len = strlen( vals[0]->bv_val );
 723                         value_add( &default_referral, vals );
 724
 725                 /* specify an Object Identifier macro */
 726                 } else if ( strcasecmp( cargv[0], "objectidentifier" ) == 0 ) {
 727                         parse_oidm( fname, lineno, cargc, cargv );
 728
 729                 /* specify an objectclass */
 730                 } else if ( strcasecmp( cargv[0], "objectclass" ) == 0 ) {
 731                         if ( *cargv[1] == '(' ) {
 732                                 char * p;
 733                                 p = strchr(saveline,'(');
 734                                 parse_oc( fname, lineno, p, cargv );
 735                         } else {
 736                                 Debug( LDAP_DEBUG_ANY,
 737     "%s: line %d: old objectclass format not supported.\n",
 738                                     fname, lineno, 0 );
 739                         }
 740
 741                 /* specify an attribute type */
 742                 } else if (( strcasecmp( cargv[0], "attributetype" ) == 0 )
 743                         || ( strcasecmp( cargv[0], "attribute" ) == 0 ))
 744                 {
 745                         if ( *cargv[1] == '(' ) {
 746                                 char * p;
 747                                 p = strchr(saveline,'(');
 748                                 parse_at( fname, lineno, p, cargv );
 749                         } else {
 750                                 Debug( LDAP_DEBUG_ANY,
 751     "%s: line %d: old attribute type format not supported.\n",
 752                                     fname, lineno, 0 );
 753                         }
 754
 755                 /* turn on/off schema checking */
 756                 } else if ( strcasecmp( cargv[0], "schemacheck" ) == 0 ) {
 757                         if ( cargc < 2 ) {
 758                                 Debug( LDAP_DEBUG_ANY,
 759     "%s: line %d: missing on|off in \"schemacheck <on|off>\" line\n",
 760                                     fname, lineno, 0 );
 761                                 return( 1 );
 762                         }
 763                         if ( strcasecmp( cargv[1], "off" ) == 0 ) {
 764                                 global_schemacheck = 0;
 765                         } else {
 766                                 global_schemacheck = 1;
 767                         }
 768
 769                 /* specify access control info */
 770                 } else if ( strcasecmp( cargv[0], "access" ) == 0 ) {
 771                         parse_acl( be, fname, lineno, cargc, cargv );
 772
 773                 /* specify default access control info */
 774                 } else if ( strcasecmp( cargv[0], "defaultaccess" ) == 0 ) {
 775                         slap_access_t access;
 776
 777                         if ( cargc < 2 ) {
 778                                 Debug( LDAP_DEBUG_ANY,
 779             "%s: line %d: missing limit in \"defaultaccess <access>\" line\n",
 780                                     fname, lineno, 0 );
 781                                 return( 1 );
 782                         }
 783
 784                         access = str2access( cargv[1] );
 785
 786                         if ( access == ACL_INVALID_ACCESS ) {
 787                                 Debug( LDAP_DEBUG_ANY,
 788                                         "%s: line %d: bad access level \"%s\", "
 789                                         "expecting none|auth|compare|search|read|write\n",
 790                                     fname, lineno, cargv[1] );
 791                                 return( 1 );
 792                         }
 793
 794                         if ( be == NULL ) {
 795                                 global_default_access = access;
 796                         } else {
 797                                 be->be_dfltaccess = access;
 798                         }
 799
 800                 /* debug level to log things to syslog */
 801                 } else if ( strcasecmp( cargv[0], "loglevel" ) == 0 ) {
 802                         if ( cargc < 2 ) {
 803                                 Debug( LDAP_DEBUG_ANY,
 804                     "%s: line %d: missing level in \"loglevel <level>\" line\n",
 805                                     fname, lineno, 0 );
 806                                 return( 1 );
 807                         }
 808
 809                         ldap_syslog = 0;
 810
 811                         for( i=1; i < cargc; i++ ) {
 812                                 ldap_syslog += atoi( cargv[1] );
 813                         }
 814
 815                 /* list of replicas of the data in this backend (master only) */
 816                 } else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
 817                         if ( cargc < 2 ) {
 818                                 Debug( LDAP_DEBUG_ANY,
 819             "%s: line %d: missing host in \"replica <host[:port]>\" line\n",
 820                                     fname, lineno, 0 );
 821                                 return( 1 );
 822                         }
 823                         if ( be == NULL ) {
 824                                 Debug( LDAP_DEBUG_ANY,
 825 "%s: line %d: replica line must appear inside a database definition (ignored)\n",
 826                                     fname, lineno, 0 );
 827                         } else {
 828                                 for ( i = 1; i < cargc; i++ ) {
 829                                         if ( strncasecmp( cargv[i], "host=", 5 )
 830                                             == 0 ) {
 831                                                 charray_add( &be->be_replica,
 832                                                              cargv[i] + 5 );
 833                                                 break;
 834                                         }
 835                                 }
 836                                 if ( i == cargc ) {
 837                                         Debug( LDAP_DEBUG_ANY,
 838                     "%s: line %d: missing host in \"replica\" line (ignored)\n",
 839                                             fname, lineno, 0 );
 840                                 }
 841                         }
 842
 843                 /* dn of master entity allowed to write to replica */
 844                 } else if ( strcasecmp( cargv[0], "updatedn" ) == 0 ) {
 845                         if ( cargc < 2 ) {
 846                                 Debug( LDAP_DEBUG_ANY,
 847                     "%s: line %d: missing dn in \"updatedn <dn>\" line\n",
 848                                     fname, lineno, 0 );
 849                                 return( 1 );
 850                         }
 851                         if ( be == NULL ) {
 852                                 Debug( LDAP_DEBUG_ANY,
 853 "%s: line %d: updatedn line must appear inside a database definition (ignored)\n",
 854                                     fname, lineno, 0 );
 855                         } else {
 856                                 be->be_update_ndn = ch_strdup( cargv[1] );
 857                                 if( dn_normalize( be->be_update_ndn ) == NULL ) {
 858                                         Debug( LDAP_DEBUG_ANY,
 859 "%s: line %d: updatedn DN is invalid\n",
 860                                             fname, lineno, 0 );
 861                                         return 1;
 862                                 }
 863                         }
 864
 865                 } else if ( strcasecmp( cargv[0], "updateref" ) == 0 ) {
 866                         if ( cargc < 2 ) {
 867                                 Debug( LDAP_DEBUG_ANY,
 868                     "%s: line %d: missing dn in \"updateref <ldapurl>\" line\n",
 869                                     fname, lineno, 0 );
 870                                 return( 1 );
 871                         }
 872                         if ( be == NULL ) {
 873                                 Debug( LDAP_DEBUG_ANY,
 874 "%s: line %d: updateref line must appear inside a database definition (ignored)\n",
 875                                     fname, lineno, 0 );
 876                         } else if ( be->be_update_ndn == NULL ) {
 877                                 Debug( LDAP_DEBUG_ANY,
 878 "%s: line %d: updateref line must after updatedn (ignored)\n",
 879                                     fname, lineno, 0 );
 880                         } else {
 881                                 vals[0]->bv_val = cargv[1];
 882                                 vals[0]->bv_len = strlen( vals[0]->bv_val );
 883                                 value_add( &be->be_update_refs, vals );
 884                         }
 885
 886                 /* replication log file to which changes are appended */
 887                 } else if ( strcasecmp( cargv[0], "replogfile" ) == 0 ) {
 888                         if ( cargc < 2 ) {
 889                                 Debug( LDAP_DEBUG_ANY,
 890             "%s: line %d: missing dn in \"replogfile <filename>\" line\n",
 891                                     fname, lineno, 0 );
 892                                 return( 1 );
 893                         }
 894                         if ( be ) {
 895                                 be->be_replogfile = ch_strdup( cargv[1] );
 896                         } else {
 897                                 replogfile = ch_strdup( cargv[1] );
 898                         }
 899
 900                 /* maintain lastmodified{by,time} attributes */
 901                 } else if ( strcasecmp( cargv[0], "lastmod" ) == 0 ) {
 902                         if ( cargc < 2 ) {
 903                                 Debug( LDAP_DEBUG_ANY,
 904             "%s: line %d: missing on|off in \"lastmod <on|off>\" line\n",
 905                                     fname, lineno, 0 );
 906                                 return( 1 );
 907                         }
 908                         if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 909                                 if ( be )
 910                                         be->be_lastmod = ON;
 911                                 else
 912                                         global_lastmod = ON;
 913                         } else {
 914                                 if ( be )
 915                                         be->be_lastmod = OFF;
 916                                 else
 917                                         global_lastmod = OFF;
 918                         }
 919
 920                 /* set idle timeout value */
 921                 } else if ( strcasecmp( cargv[0], "idletimeout" ) == 0 ) {
 922                         int i;
 923                         if ( cargc < 2 ) {
 924                                 Debug( LDAP_DEBUG_ANY,
 925             "%s: line %d: missing timeout value in \"idletimeout <seconds>\" line\n",
 926                                     fname, lineno, 0 );
 927                                 return( 1 );
 928                         }
 929
 930                         i = atoi( cargv[1] );
 931
 932                         if( i < 0 ) {
 933                                 Debug( LDAP_DEBUG_ANY,
 934             "%s: line %d: timeout value (%d) invalid \"idletimeout <seconds>\" line\n",
 935                                     fname, lineno, i );
 936                                 return( 1 );
 937                         }
 938
 939                         global_idletimeout = i;
 940
 941                 /* include another config file */
 942                 } else if ( strcasecmp( cargv[0], "include" ) == 0 ) {
 943                         if ( cargc < 2 ) {
 944                                 Debug( LDAP_DEBUG_ANY,
 945     "%s: line %d: missing filename in \"include <filename>\" line\n",
 946                                     fname, lineno, 0 );
 947                                 return( 1 );
 948                         }
 949                         savefname = ch_strdup( cargv[1] );
 950                         savelineno = lineno;
 951
 952                         if ( read_config( savefname ) != 0 ) {
 953                                 return( 1 );
 954                         }
 955
 956                         free( savefname );
 957                         lineno = savelineno - 1;
 958
 959                 /* location of kerberos srvtab file */
 960                 } else if ( strcasecmp( cargv[0], "srvtab" ) == 0 ) {
 961                         if ( cargc < 2 ) {
 962                                 Debug( LDAP_DEBUG_ANY,
 963             "%s: line %d: missing filename in \"srvtab <filename>\" line\n",
 964                                     fname, lineno, 0 );
 965                                 return( 1 );
 966                         }
 967                         ldap_srvtab = ch_strdup( cargv[1] );
 968
 969 #ifdef SLAPD_MODULES
 970                 } else if (strcasecmp( cargv[0], "moduleload") == 0 ) {
 971                    if ( cargc < 2 ) {
 972                       Debug( LDAP_DEBUG_ANY,
 973                              "%s: line %d: missing filename in \"moduleload <filename>\" line\n",
 974                              fname, lineno, 0 );
 975                       exit( EXIT_FAILURE );
 976                    }
 977                    if (module_load(cargv[1], cargc - 2, (cargc > 2) ? cargv + 2 : NULL)) {
 978                       Debug( LDAP_DEBUG_ANY,
 979                              "%s: line %d: failed to load or initialize module %s\n",
 980                              fname, lineno, cargv[1]);
 981                       exit( EXIT_FAILURE );
 982                    }
 983                 } else if (strcasecmp( cargv[0], "modulepath") == 0 ) {
 984                    if ( cargc != 2 ) {
 985                       Debug( LDAP_DEBUG_ANY,
 986                              "%s: line %d: missing path in \"modulepath <path>\" line\n",
 987                              fname, lineno, 0 );
 988                       exit( EXIT_FAILURE );
 989                    }
 990                    if (module_path( cargv[1] )) {
 991                       Debug( LDAP_DEBUG_ANY,
 992                              "%s: line %d: failed to set module search path to %s\n",
 993                              fname, lineno, cargv[1]);
 994                       exit( EXIT_FAILURE );
 995                    }
 996
 997 #endif /*SLAPD_MODULES*/
 998
 999 #ifdef HAVE_TLS
1000                 } else if ( !strcasecmp( cargv[0], "TLSProtocol" ) ) {
1001                         rc = ldap_pvt_tls_set_option( NULL,
1002                                                       LDAP_OPT_X_TLS_PROTOCOL,
1003                                                       cargv[1] );
1004                         if ( rc )
1005                                 return rc;
1006
1007                 } else if ( !strcasecmp( cargv[0], "TLSCipherSuite" ) ) {
1008                         rc = ldap_pvt_tls_set_option( NULL,
1009                                                       LDAP_OPT_X_TLS_CIPHER_SUITE,
1010                                                       cargv[1] );
1011                         if ( rc )
1012                                 return rc;
1013
1014                 } else if ( !strcasecmp( cargv[0], "TLSCertificateFile" ) ) {
1015                         rc = ldap_pvt_tls_set_option( NULL,
1016                                                       LDAP_OPT_X_TLS_CERTFILE,
1017                                                       cargv[1] );
1018                         if ( rc )
1019                                 return rc;
1020
1021                 } else if ( !strcasecmp( cargv[0], "TLSCertificateKeyFile" ) ) {
1022                         rc = ldap_pvt_tls_set_option( NULL,
1023                                                       LDAP_OPT_X_TLS_KEYFILE,
1024                                                       cargv[1] );
1025                         if ( rc )
1026                                 return rc;
1027
1028                 } else if ( !strcasecmp( cargv[0], "TLSCACertificatePath" ) ) {
1029                         rc = ldap_pvt_tls_set_option( NULL,
1030                                                       LDAP_OPT_X_TLS_CACERTDIR,
1031                                                       cargv[1] );
1032                         if ( rc )
1033                                 return rc;
1034
1035                 } else if ( !strcasecmp( cargv[0], "TLSCACertificateFile" ) ) {
1036                         rc = ldap_pvt_tls_set_option( NULL,
1037                                                       LDAP_OPT_X_TLS_CACERTFILE,
1038                                                       cargv[1] );
1039                         if ( rc )
1040                                 return rc;
1041                 } else if ( !strcasecmp( cargv[0], "TLSVerifyClient" ) ) {
1042                         rc = ldap_pvt_tls_set_option( NULL,
1043                                                       LDAP_OPT_X_TLS_REQUIRE_CERT,
1044                                                       cargv[1] );
1045                         if ( rc )
1046                                 return rc;
1047
1048 #endif
1049
1050                 /* pass anything else to the current backend info/db config routine */
1051                 } else {
1052                         if ( bi != NULL ) {
1053                                 if ( bi->bi_config == 0 ) {
1054                                         Debug( LDAP_DEBUG_ANY,
1055 "%s: line %d: unknown directive \"%s\" inside backend info definition (ignored)\n",
1056                                                 fname, lineno, cargv[0] );
1057                                 } else {
1058                                         if ( (*bi->bi_config)( bi, fname, lineno, cargc, cargv )
1059                                                 != 0 )
1060                                         {
1061                                                 return( 1 );
1062                                         }
1063                                 }
1064                         } else if ( be != NULL ) {
1065                                 if ( be->be_config == 0 ) {
1066                                         Debug( LDAP_DEBUG_ANY,
1067 "%s: line %d: unknown directive \"%s\" inside backend database definition (ignored)\n",
1068                                         fname, lineno, cargv[0] );
1069                                 } else {
1070                                         if ( (*be->be_config)( be, fname, lineno, cargc, cargv )
1071                                                 != 0 )
1072                                         {
1073                                                 return( 1 );
1074                                         }
1075                                 }
1076                         } else {
1077                                 Debug( LDAP_DEBUG_ANY,
1078 "%s: line %d: unknown directive \"%s\" outside backend info and database definitions (ignored)\n",
1079                                     fname, lineno, cargv[0] );
1080                         }
1081                 }
1082                 free( saveline );
1083         }
1084         fclose( fp );
1085         return( 0 );
1086 }
1087
1088 static int
1089 fp_parse_line(
1090     char        *line,
1091     int         *argcp,
1092     char        **argv
1093 )
1094 {
1095         char *  token;
1096
1097         *argcp = 0;
1098         for ( token = strtok_quote( line, " \t" ); token != NULL;
1099             token = strtok_quote( NULL, " \t" ) ) {
1100                 if ( *argcp == MAXARGS ) {
1101                         Debug( LDAP_DEBUG_ANY, "Too many tokens (max %d)\n",
1102                             MAXARGS, 0, 0 );
1103                         return( 1 );
1104                 }
1105                 argv[(*argcp)++] = token;
1106         }
1107         argv[*argcp] = NULL;
1108         return 0;
1109 }
1110
1111 static char *
1112 strtok_quote( char *line, char *sep )
1113 {
1114         int             inquote;
1115         char            *tmp;
1116         static char     *next;
1117
1118         if ( line != NULL ) {
1119                 next = line;
1120         }
1121         while ( *next && strchr( sep, *next ) ) {
1122                 next++;
1123         }
1124
1125         if ( *next == '\0' ) {
1126                 next = NULL;
1127                 return( NULL );
1128         }
1129         tmp = next;
1130
1131         for ( inquote = 0; *next; ) {
1132                 switch ( *next ) {
1133                 case '"':
1134                         if ( inquote ) {
1135                                 inquote = 0;
1136                         } else {
1137                                 inquote = 1;
1138                         }
1139                         AC_MEMCPY( next, next + 1, strlen( next + 1 ) + 1 );
1140                         break;
1141
1142                 case '\\':
1143                         if ( next[1] )
1144                                 AC_MEMCPY( next,
1145                                             next + 1, strlen( next + 1 ) + 1 );
1146                         next++;         /* dont parse the escaped character */
1147                         break;
1148
1149                 default:
1150                         if ( ! inquote ) {
1151                                 if ( strchr( sep, *next ) != NULL ) {
1152                                         *next++ = '\0';
1153                                         return( tmp );
1154                                 }
1155                         }
1156                         next++;
1157                         break;
1158                 }
1159         }
1160
1161         return( tmp );
1162 }
1163
1164 static char     buf[BUFSIZ];
1165 static char     *line;
1166 static int      lmax, lcur;
1167
1168 #define CATLINE( buf )  { \
1169         int     len; \
1170         len = strlen( buf ); \
1171         while ( lcur + len + 1 > lmax ) { \
1172                 lmax += BUFSIZ; \
1173                 line = (char *) ch_realloc( line, lmax ); \
1174         } \
1175         strcpy( line + lcur, buf ); \
1176         lcur += len; \
1177 }
1178
1179 static char *
1180 fp_getline( FILE *fp, int *lineno )
1181 {
1182         char            *p;
1183
1184         lcur = 0;
1185         CATLINE( buf );
1186         (*lineno)++;
1187
1188         /* hack attack - keeps us from having to keep a stack of bufs... */
1189         if ( strncasecmp( line, "include", 7 ) == 0 ) {
1190                 buf[0] = '\0';
1191                 return( line );
1192         }
1193
1194         while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
1195                 if ( (p = strchr( buf, '\n' )) != NULL ) {
1196                         *p = '\0';
1197                 }
1198                 if ( ! isspace( (unsigned char) buf[0] ) ) {
1199                         return( line );
1200                 }
1201
1202                 CATLINE( buf );
1203                 (*lineno)++;
1204         }
1205         buf[0] = '\0';
1206
1207         return( line[0] ? line : NULL );
1208 }
1209
1210 static void
1211 fp_getline_init( int *lineno )
1212 {
1213         *lineno = -1;
1214         buf[0] = '\0';
1215 }