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

   1 /* config.c - configuration file handling routines */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6 #ifdef HAVE_LOCALE_H
   7 #include <locale.h>
   8 #endif
   9
  10 #include <ac/string.h>
  11 #include <ac/ctype.h>
  12 #include <ac/socket.h>
  13
  14 #include "ldapconfig.h"
  15 #include "slap.h"
  16
  17 #define MAXARGS 100
  18
  19 /*
  20  * defaults for various global variables
  21  */
  22 int             defsize = SLAPD_DEFAULT_SIZELIMIT;
  23 int             deftime = SLAPD_DEFAULT_TIMELIMIT;
  24 struct acl      *global_acl = NULL;
  25 int             global_default_access = ACL_READ;
  26 char            *replogfile;
  27 int             global_lastmod;
  28 char            *ldap_srvtab = "";
  29
  30 char   *slapd_pid_file  = NULL;
  31 char   *slapd_args_file = NULL;
  32
  33 static char     *fp_getline(FILE *fp, int *lineno);
  34 static void     fp_getline_init(int *lineno);
  35 static int      fp_parse_line(char *line, int *argcp, char **argv);
  36
  37 static char     *strtok_quote(char *line, char *sep);
  38
  39 int
  40 read_config( char *fname )
  41 {
  42         FILE    *fp;
  43         char    *line, *savefname;
  44         int     cargc, savelineno;
  45         char    *cargv[MAXARGS];
  46         int     lineno, i;
  47
  48         static BackendInfo *bi = NULL;
  49         static BackendDB        *be = NULL;
  50
  51         if ( (fp = fopen( fname, "r" )) == NULL ) {
  52                 ldap_syslog = 1;
  53                 Debug( LDAP_DEBUG_ANY,
  54                     "could not open config file \"%s\" - absolute path?\n",
  55                     fname, 0, 0 );
  56                 perror( fname );
  57                 return 1;
  58         }
  59
  60         Debug( LDAP_DEBUG_CONFIG, "reading config file %s\n", fname, 0, 0 );
  61
  62         fp_getline_init( &lineno );
  63
  64         while ( (line = fp_getline( fp, &lineno )) != NULL ) {
  65                 /* skip comments and blank lines */
  66                 if ( line[0] == '#' || line[0] == '\0' ) {
  67                         continue;
  68                 }
  69
  70                 Debug( LDAP_DEBUG_CONFIG, "line %d (%s)\n", lineno, line, 0 );
  71
  72                 if ( fp_parse_line( line, &cargc, cargv ) != 0 ) {
  73                         return( 1 );
  74                 }
  75
  76                 if ( cargc < 1 ) {
  77                         Debug( LDAP_DEBUG_ANY,
  78                             "%s: line %d: bad config line (ignored)\n",
  79                             fname, lineno, 0 );
  80                         continue;
  81                 }
  82
  83                 if ( strcasecmp( cargv[0], "backend" ) == 0 ) {
  84                         if ( cargc < 2 ) {
  85                                 Debug( LDAP_DEBUG_ANY,
  86                 "%s: line %d: missing type in \"backend <type>\" line\n",
  87                                     fname, lineno, 0 );
  88                                 return( 1 );
  89                         }
  90
  91                         if( be != NULL ) {
  92                                 Debug( LDAP_DEBUG_ANY,
  93 "%s: line %d: backend line must appear before any database definition\n",
  94                                     fname, lineno, 0 );
  95                                 return( 1 );
  96                         }
  97
  98                         bi = backend_info( cargv[1] );
  99
 100                 /* start of a new database definition */
 101                 } else if ( strcasecmp( cargv[0], "database" ) == 0 ) {
 102                         if ( cargc < 2 ) {
 103                                 Debug( LDAP_DEBUG_ANY,
 104                 "%s: line %d: missing type in \"database <type>\" line\n",
 105                                     fname, lineno, 0 );
 106                                 return( 1 );
 107                         }
 108                         bi = NULL;
 109                         be = backend_db_init( cargv[1] );
 110
 111                 /* assign a default depth limit for alias deref */
 112                 be->be_maxDerefDepth = SLAPD_DEFAULT_MAXDEREFDEPTH;
 113
 114                 /* get pid file name */
 115                 } else if ( strcasecmp( cargv[0], "pidfile" ) == 0 ) {
 116                         if ( cargc < 2 ) {
 117                                 Debug( LDAP_DEBUG_ANY,
 118             "%s: line %d: missing file name in \"pidfile <file>\" line\n",
 119                                     fname, lineno, 0 );
 120                                 return( 1 );
 121                         }
 122
 123                         slapd_pid_file = ch_strdup( cargv[1] );
 124
 125                 /* get args file name */
 126                 } else if ( strcasecmp( cargv[0], "argsfile" ) == 0 ) {
 127                         if ( cargc < 2 ) {
 128                                 Debug( LDAP_DEBUG_ANY,
 129             "%s: line %d: missing file name in \"argsfile <file>\" line\n",
 130                                     fname, lineno, 0 );
 131                                 return( 1 );
 132                         }
 133
 134                         slapd_args_file = ch_strdup( cargv[1] );
 135
 136                 /* set size limit */
 137                 } else if ( strcasecmp( cargv[0], "sizelimit" ) == 0 ) {
 138                         if ( cargc < 2 ) {
 139                                 Debug( LDAP_DEBUG_ANY,
 140             "%s: line %d: missing limit in \"sizelimit <limit>\" line\n",
 141                                     fname, lineno, 0 );
 142                                 return( 1 );
 143                         }
 144                         if ( be == NULL ) {
 145                                 defsize = atoi( cargv[1] );
 146                         } else {
 147                                 be->be_sizelimit = atoi( cargv[1] );
 148                         }
 149
 150                 /* set time limit */
 151                 } else if ( strcasecmp( cargv[0], "timelimit" ) == 0 ) {
 152                         if ( cargc < 2 ) {
 153                                 Debug( LDAP_DEBUG_ANY,
 154             "%s: line %d: missing limit in \"timelimit <limit>\" line\n",
 155                                     fname, lineno, 0 );
 156                                 return( 1 );
 157                         }
 158                         if ( be == NULL ) {
 159                                 deftime = atoi( cargv[1] );
 160                         } else {
 161                                 be->be_timelimit = atoi( cargv[1] );
 162                         }
 163
 164                 /* set database suffix */
 165                 } else if ( strcasecmp( cargv[0], "suffix" ) == 0 ) {
 166                         if ( cargc < 2 ) {
 167                                 Debug( LDAP_DEBUG_ANY,
 168                     "%s: line %d: missing dn in \"suffix <dn>\" line\n",
 169                                     fname, lineno, 0 );
 170                                 return( 1 );
 171                         } else if ( cargc > 2 ) {
 172                                 Debug( LDAP_DEBUG_ANY,
 173     "%s: line %d: extra cruft after <dn> in \"suffix %s\" line (ignored)\n",
 174                                     fname, lineno, cargv[1] );
 175                         }
 176                         if ( be == NULL ) {
 177                                 Debug( LDAP_DEBUG_ANY,
 178 "%s: line %d: suffix line must appear inside a database definition (ignored)\n",
 179                                     fname, lineno, 0 );
 180                         } else {
 181                                 char *dn = ch_strdup( cargv[1] );
 182                                 (void) dn_normalize( dn );
 183                                 charray_add( &be->be_suffix, dn );
 184                                 (void) dn_upcase( dn );
 185                                 charray_add( &be->be_nsuffix, dn );
 186                                 free( dn );
 187                         }
 188
 189                 /* set database suffixAlias */
 190                 } else if ( strcasecmp( cargv[0], "suffixAlias" ) == 0 ) {
 191                         if ( cargc < 2 ) {
 192                                 Debug( LDAP_DEBUG_ANY,
 193                     "%s: line %d: missing alias and aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 194                                     fname, lineno, 0 );
 195                                 return( 1 );
 196                         } else if ( cargc < 3 ) {
 197                                 Debug( LDAP_DEBUG_ANY,
 198                     "%s: line %d: missing aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 199                                     fname, lineno, 0 );
 200                                 return( 1 );
 201                         } else if ( cargc > 3 ) {
 202                                 Debug( LDAP_DEBUG_ANY,
 203     "%s: line %d: extra cruft in suffixAlias line (ignored)\n",
 204                                     fname, lineno, 0 );
 205                         }
 206                         if ( be == NULL ) {
 207                                 Debug( LDAP_DEBUG_ANY,
 208 "%s: line %d: suffixAlias line must appear inside a database definition (ignored)\n",
 209                                     fname, lineno, 0 );
 210                         } else {
 211                                 char *alias, *aliased_dn;
 212
 213                                                                 alias = ch_strdup( cargv[1] );
 214                                 (void) dn_normalize( alias );
 215
 216                                 aliased_dn = ch_strdup( cargv[2] );
 217                                 (void) dn_normalize( aliased_dn );
 218
 219
 220                                                                 if ( strcasecmp( alias, aliased_dn) == 0 ) {
 221                                         Debug( LDAP_DEBUG_ANY,
 222 "%s: line %d: suffixAlias %s is not different from aliased dn (ignored)\n",
 223                                     fname, lineno, alias );
 224                                                                 } else {
 225                                         (void) dn_normalize_case( alias );
 226                                         (void) dn_normalize_case( aliased_dn );
 227                                         charray_add( &be->be_suffixAlias, alias );
 228                                         charray_add( &be->be_suffixAlias, aliased_dn );
 229                                                                 }
 230
 231                                                                 free(alias);
 232                                                                 free(aliased_dn);
 233                         }
 234
 235                /* set max deref depth */
 236                } else if ( strcasecmp( cargv[0], "maxDerefDepth" ) == 0 ) {
 237                        if ( cargc < 2 ) {
 238                                Debug( LDAP_DEBUG_ANY,
 239                    "%s: line %d: missing depth in \"maxDerefDepth <depth>\" line\n",
 240                                    fname, lineno, 0 );
 241                                return( 1 );
 242                        }
 243                        if ( be == NULL ) {
 244                                Debug( LDAP_DEBUG_ANY,
 245 "%s: line %d: depth line must appear inside a database definition (ignored)\n",
 246                                    fname, lineno, 0 );
 247                        } else {
 248                            be->be_maxDerefDepth = atoi (cargv[1]);
 249                        }
 250
 251
 252                 /* set magic "root" dn for this database */
 253                 } else if ( strcasecmp( cargv[0], "rootdn" ) == 0 ) {
 254                         if ( cargc < 2 ) {
 255                                 Debug( LDAP_DEBUG_ANY,
 256                     "%s: line %d: missing dn in \"rootdn <dn>\" line\n",
 257                                     fname, lineno, 0 );
 258                                 return( 1 );
 259                         }
 260                         if ( be == NULL ) {
 261                                 Debug( LDAP_DEBUG_ANY,
 262 "%s: line %d: rootdn line must appear inside a database definition (ignored)\n",
 263                                     fname, lineno, 0 );
 264                         } else {
 265                                 be->be_root_dn = ch_strdup( cargv[1] );
 266                                 be->be_root_ndn = dn_normalize_case( ch_strdup( cargv[1] ) );
 267                         }
 268
 269                 /* set super-secret magic database password */
 270                 } else if ( strcasecmp( cargv[0], "rootpw" ) == 0 ) {
 271                         if ( cargc < 2 ) {
 272                                 Debug( LDAP_DEBUG_ANY,
 273             "%s: line %d: missing passwd in \"rootpw <passwd>\" line\n",
 274                                     fname, lineno, 0 );
 275                                 return( 1 );
 276                         }
 277                         if ( be == NULL ) {
 278                                 Debug( LDAP_DEBUG_ANY,
 279 "%s: line %d: rootpw line must appear inside a database definition (ignored)\n",
 280                                     fname, lineno, 0 );
 281                         } else {
 282                                 be->be_root_pw = ch_strdup( cargv[1] );
 283                         }
 284
 285                 /* make this database read-only */
 286                 } else if ( strcasecmp( cargv[0], "readonly" ) == 0 ) {
 287                         if ( cargc < 2 ) {
 288                                 Debug( LDAP_DEBUG_ANY,
 289             "%s: line %d: missing on|off in \"readonly <on|off>\" line\n",
 290                                     fname, lineno, 0 );
 291                                 return( 1 );
 292                         }
 293                         if ( be == NULL ) {
 294                                 Debug( LDAP_DEBUG_ANY,
 295 "%s: line %d: readonly line must appear inside a database definition (ignored)\n",
 296                                     fname, lineno, 0 );
 297                         } else {
 298                                 if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 299                                         be->be_readonly = 1;
 300                                 } else {
 301                                         be->be_readonly = 0;
 302                                 }
 303                         }
 304
 305                 /* where to send clients when we don't hold it */
 306                 } else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
 307                         if ( cargc < 2 ) {
 308                                 Debug( LDAP_DEBUG_ANY,
 309                     "%s: line %d: missing URL in \"referral <URL>\" line\n",
 310                                     fname, lineno, 0 );
 311                                 return( 1 );
 312                         }
 313                         default_referral = (char *) ch_malloc( strlen( cargv[1] )
 314                             + sizeof("Referral:\n") + 1 );
 315                         strcpy( default_referral, "Referral:\n" );
 316                         strcat( default_referral, cargv[1] );
 317
 318                 /* specify locale */
 319                 } else if ( strcasecmp( cargv[0], "locale" ) == 0 ) {
 320 #ifdef HAVE_LOCALE_H
 321                         char *locale;
 322                         if ( cargc < 2 ) {
 323                                 Debug( LDAP_DEBUG_ANY,
 324         "%s: line %d: missing locale in \"locale <name | on | off>\" line\n",
 325                                        fname, lineno, 0 );
 326                                 return( 1 );
 327                         }
 328
 329                         locale = (strcasecmp(   cargv[1], "on"  ) == 0 ? ""
 330                                   : strcasecmp( cargv[1], "off" ) == 0 ? "C"
 331                                   : ch_strdup( cargv[1] )                    );
 332
 333                         if ( setlocale( LC_CTYPE, locale ) == 0 ) {
 334                                 Debug( LDAP_DEBUG_ANY,
 335                                        (*locale
 336                                         ? "%s: line %d: bad locale \"%s\"\n"
 337                                         : "%s: line %d: bad locale\n"),
 338                                        fname, lineno, locale );
 339                                 return( 1 );
 340                         }
 341 #else
 342                         Debug( LDAP_DEBUG_ANY,
 343                                "%s: line %d: \"locale\" unsupported\n",
 344                                fname, lineno, 0 );
 345                         return( 1 );
 346 #endif
 347                 /* specify an objectclass */
 348                 } else if ( strcasecmp( cargv[0], "objectclass" ) == 0 ) {
 349                         parse_oc( be, fname, lineno, cargc, cargv );
 350
 351                 /* specify an attribute */
 352                 } else if ( strcasecmp( cargv[0], "attribute" ) == 0 ) {
 353                         attr_syntax_config( fname, lineno, cargc - 1,
 354                             &cargv[1] );
 355
 356                 /* turn on/off schema checking */
 357                 } else if ( strcasecmp( cargv[0], "schemacheck" ) == 0 ) {
 358                         if ( cargc < 2 ) {
 359                                 Debug( LDAP_DEBUG_ANY,
 360     "%s: line %d: missing on|off in \"schemacheck <on|off>\" line\n",
 361                                     fname, lineno, 0 );
 362                                 return( 1 );
 363                         }
 364                         if ( strcasecmp( cargv[1], "off" ) == 0 ) {
 365                                 global_schemacheck = 0;
 366                         } else {
 367                                 global_schemacheck = 1;
 368                         }
 369
 370                 /* specify access control info */
 371                 } else if ( strcasecmp( cargv[0], "access" ) == 0 ) {
 372                         parse_acl( be, fname, lineno, cargc, cargv );
 373
 374                 /* specify default access control info */
 375                 } else if ( strcasecmp( cargv[0], "defaultaccess" ) == 0 ) {
 376                         if ( cargc < 2 ) {
 377                                 Debug( LDAP_DEBUG_ANY,
 378             "%s: line %d: missing limit in \"defaultaccess <access>\" line\n",
 379                                     fname, lineno, 0 );
 380                                 return( 1 );
 381                         }
 382                         if ( be == NULL ) {
 383                                 if ( (global_default_access =
 384                                     str2access( cargv[1] )) == -1 ) {
 385                                         Debug( LDAP_DEBUG_ANY,
 386 "%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
 387                                             fname, lineno, cargv[1] );
 388                                         return( 1 );
 389                                 }
 390                         } else {
 391                                 if ( (be->be_dfltaccess =
 392                                     str2access( cargv[1] )) == -1 ) {
 393                                         Debug( LDAP_DEBUG_ANY,
 394 "%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
 395                                             fname, lineno, cargv[1] );
 396                                         return( 1 );
 397                                 }
 398                         }
 399
 400                 /* debug level to log things to syslog */
 401                 } else if ( strcasecmp( cargv[0], "loglevel" ) == 0 ) {
 402                         if ( cargc < 2 ) {
 403                                 Debug( LDAP_DEBUG_ANY,
 404                     "%s: line %d: missing level in \"loglevel <level>\" line\n",
 405                                     fname, lineno, 0 );
 406                                 return( 1 );
 407                         }
 408                         ldap_syslog = atoi( cargv[1] );
 409
 410                 /* list of replicas of the data in this backend (master only) */
 411                 } else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
 412                         if ( cargc < 2 ) {
 413                                 Debug( LDAP_DEBUG_ANY,
 414             "%s: line %d: missing host in \"replica <host[:port]>\" line\n",
 415                                     fname, lineno, 0 );
 416                                 return( 1 );
 417                         }
 418                         if ( be == NULL ) {
 419                                 Debug( LDAP_DEBUG_ANY,
 420 "%s: line %d: replica line must appear inside a database definition (ignored)\n",
 421                                     fname, lineno, 0 );
 422                         } else {
 423                                 for ( i = 1; i < cargc; i++ ) {
 424                                         if ( strncasecmp( cargv[i], "host=", 5 )
 425                                             == 0 ) {
 426                                                 charray_add( &be->be_replica,
 427                                                              cargv[i] + 5 );
 428                                                 break;
 429                                         }
 430                                 }
 431                                 if ( i == cargc ) {
 432                                         Debug( LDAP_DEBUG_ANY,
 433                     "%s: line %d: missing host in \"replica\" line (ignored)\n",
 434                                             fname, lineno, 0 );
 435                                 }
 436                         }
 437
 438                 /* dn of master entity allowed to write to replica */
 439                 } else if ( strcasecmp( cargv[0], "updatedn" ) == 0 ) {
 440                         if ( cargc < 2 ) {
 441                                 Debug( LDAP_DEBUG_ANY,
 442                     "%s: line %d: missing dn in \"updatedn <dn>\" line\n",
 443                                     fname, lineno, 0 );
 444                                 return( 1 );
 445                         }
 446                         if ( be == NULL ) {
 447                                 Debug( LDAP_DEBUG_ANY,
 448 "%s: line %d: updatedn line must appear inside a database definition (ignored)\n",
 449                                     fname, lineno, 0 );
 450                         } else {
 451                                 be->be_update_ndn = ch_strdup( cargv[1] );
 452                                 (void) dn_normalize_case( be->be_update_ndn );
 453                         }
 454
 455                 /* replication log file to which changes are appended */
 456                 } else if ( strcasecmp( cargv[0], "replogfile" ) == 0 ) {
 457                         if ( cargc < 2 ) {
 458                                 Debug( LDAP_DEBUG_ANY,
 459             "%s: line %d: missing dn in \"replogfile <filename>\" line\n",
 460                                     fname, lineno, 0 );
 461                                 return( 1 );
 462                         }
 463                         if ( be ) {
 464                                 be->be_replogfile = ch_strdup( cargv[1] );
 465                         } else {
 466                                 replogfile = ch_strdup( cargv[1] );
 467                         }
 468
 469                 /* maintain lastmodified{by,time} attributes */
 470                 } else if ( strcasecmp( cargv[0], "lastmod" ) == 0 ) {
 471                         if ( cargc < 2 ) {
 472                                 Debug( LDAP_DEBUG_ANY,
 473             "%s: line %d: missing on|off in \"lastmod <on|off>\" line\n",
 474                                     fname, lineno, 0 );
 475                                 return( 1 );
 476                         }
 477                         if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 478                                 if ( be )
 479                                         be->be_lastmod = ON;
 480                                 else
 481                                         global_lastmod = ON;
 482                         } else {
 483                                 if ( be )
 484                                         be->be_lastmod = OFF;
 485                                 else
 486                                         global_lastmod = OFF;
 487                         }
 488
 489                 /* include another config file */
 490                 } else if ( strcasecmp( cargv[0], "include" ) == 0 ) {
 491                         if ( cargc < 2 ) {
 492                                 Debug( LDAP_DEBUG_ANY,
 493     "%s: line %d: missing filename in \"include <filename>\" line\n",
 494                                     fname, lineno, 0 );
 495                                 return( 1 );
 496                         }
 497                         savefname = ch_strdup( cargv[1] );
 498                         savelineno = lineno;
 499
 500                         if ( read_config( savefname ) != 0 ) {
 501                                 return( 1 );
 502                         }
 503
 504                         free( savefname );
 505                         lineno = savelineno - 1;
 506
 507                 /* location of kerberos srvtab file */
 508                 } else if ( strcasecmp( cargv[0], "srvtab" ) == 0 ) {
 509                         if ( cargc < 2 ) {
 510                                 Debug( LDAP_DEBUG_ANY,
 511             "%s: line %d: missing filename in \"srvtab <filename>\" line\n",
 512                                     fname, lineno, 0 );
 513                                 return( 1 );
 514                         }
 515                         ldap_srvtab = ch_strdup( cargv[1] );
 516
 517                 /* pass anything else to the current backend info/db config routine */
 518                 } else {
 519                         if ( bi != NULL ) {
 520                                 if ( bi->bi_config == 0 ) {
 521                                         Debug( LDAP_DEBUG_ANY,
 522 "%s: line %d: unknown directive \"%s\" inside backend info definition (ignored)\n",
 523                                                 fname, lineno, cargv[0] );
 524                                 } else {
 525                                         if ( (*bi->bi_config)( bi, fname, lineno, cargc, cargv )
 526                                                 != 0 )
 527                                         {
 528                                                 return( 1 );
 529                                         }
 530                                 }
 531                         } else if ( be != NULL ) {
 532                                 if ( be->be_config == 0 ) {
 533                                         Debug( LDAP_DEBUG_ANY,
 534 "%s: line %d: unknown directive \"%s\" inside backend database definition (ignored)\n",
 535                                         fname, lineno, cargv[0] );
 536                                 } else {
 537                                         if ( (*be->be_config)( be, fname, lineno, cargc, cargv )
 538                                                 != 0 )
 539                                         {
 540                                                 return( 1 );
 541                                         }
 542                                 }
 543                         } else {
 544                                 Debug( LDAP_DEBUG_ANY,
 545 "%s: line %d: unknown directive \"%s\" outside backend info and database definitions (ignored)\n",
 546                                     fname, lineno, cargv[0] );
 547                         }
 548                 }
 549         }
 550         fclose( fp );
 551         return( 0 );
 552 }
 553
 554 static int
 555 fp_parse_line(
 556     char        *line,
 557     int         *argcp,
 558     char        **argv
 559 )
 560 {
 561         char *  token;
 562
 563         *argcp = 0;
 564         for ( token = strtok_quote( line, " \t" ); token != NULL;
 565             token = strtok_quote( NULL, " \t" ) ) {
 566                 if ( *argcp == MAXARGS ) {
 567                         Debug( LDAP_DEBUG_ANY, "Too many tokens (max %d)\n",
 568                             MAXARGS, 0, 0 );
 569                         return( 1 );
 570                 }
 571                 argv[(*argcp)++] = token;
 572         }
 573         argv[*argcp] = NULL;
 574         return 0;
 575 }
 576
 577 static char *
 578 strtok_quote( char *line, char *sep )
 579 {
 580         int             inquote;
 581         char            *tmp;
 582         static char     *next;
 583
 584         if ( line != NULL ) {
 585                 next = line;
 586         }
 587         while ( *next && strchr( sep, *next ) ) {
 588                 next++;
 589         }
 590
 591         if ( *next == '\0' ) {
 592                 next = NULL;
 593                 return( NULL );
 594         }
 595         tmp = next;
 596
 597         for ( inquote = 0; *next; ) {
 598                 switch ( *next ) {
 599                 case '"':
 600                         if ( inquote ) {
 601                                 inquote = 0;
 602                         } else {
 603                                 inquote = 1;
 604                         }
 605                         SAFEMEMCPY( next, next + 1, strlen( next + 1 ) + 1 );
 606                         break;
 607
 608                 case '\\':
 609                         if ( next[1] )
 610                                 SAFEMEMCPY( next,
 611                                             next + 1, strlen( next + 1 ) + 1 );
 612                         next++;         /* dont parse the escaped character */
 613                         break;
 614
 615                 default:
 616                         if ( ! inquote ) {
 617                                 if ( strchr( sep, *next ) != NULL ) {
 618                                         *next++ = '\0';
 619                                         return( tmp );
 620                                 }
 621                         }
 622                         next++;
 623                         break;
 624                 }
 625         }
 626
 627         return( tmp );
 628 }
 629
 630 static char     buf[BUFSIZ];
 631 static char     *line;
 632 static int      lmax, lcur;
 633
 634 #define CATLINE( buf )  { \
 635         int     len; \
 636         len = strlen( buf ); \
 637         while ( lcur + len + 1 > lmax ) { \
 638                 lmax += BUFSIZ; \
 639                 line = (char *) ch_realloc( line, lmax ); \
 640         } \
 641         strcpy( line + lcur, buf ); \
 642         lcur += len; \
 643 }
 644
 645 static char *
 646 fp_getline( FILE *fp, int *lineno )
 647 {
 648         char            *p;
 649
 650         lcur = 0;
 651         CATLINE( buf );
 652         (*lineno)++;
 653
 654         /* hack attack - keeps us from having to keep a stack of bufs... */
 655         if ( strncasecmp( line, "include", 7 ) == 0 ) {
 656                 buf[0] = '\0';
 657                 return( line );
 658         }
 659
 660         while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
 661                 if ( (p = strchr( buf, '\n' )) != NULL ) {
 662                         *p = '\0';
 663                 }
 664                 if ( ! isspace( (unsigned char) buf[0] ) ) {
 665                         return( line );
 666                 }
 667
 668                 CATLINE( buf );
 669                 (*lineno)++;
 670         }
 671         buf[0] = '\0';
 672
 673         return( line[0] ? line : NULL );
 674 }
 675
 676 static void
 677 fp_getline_init( int *lineno )
 678 {
 679         *lineno = -1;
 680         buf[0] = '\0';
 681 }