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_case( dn );
 183                                 charray_add( &be->be_suffix, dn );
 184                         }
 185
 186                 /* set database suffixAlias */
 187                 } else if ( strcasecmp( cargv[0], "suffixAlias" ) == 0 ) {
 188                         if ( cargc < 2 ) {
 189                                 Debug( LDAP_DEBUG_ANY,
 190                     "%s: line %d: missing alias and aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 191                                     fname, lineno, 0 );
 192                                 return( 1 );
 193                         } else if ( cargc < 3 ) {
 194                                 Debug( LDAP_DEBUG_ANY,
 195                     "%s: line %d: missing aliased_dn in \"suffixAlias <alias> <aliased_dn>\" line\n",
 196                                     fname, lineno, 0 );
 197                                 return( 1 );
 198                         } else if ( cargc > 3 ) {
 199                                 Debug( LDAP_DEBUG_ANY,
 200     "%s: line %d: extra cruft in suffixAlias line (ignored)\n",
 201                                     fname, lineno, 0 );
 202                         }
 203                         if ( be == NULL ) {
 204                                 Debug( LDAP_DEBUG_ANY,
 205 "%s: line %d: suffixAlias line must appear inside a database definition (ignored)\n",
 206                                     fname, lineno, 0 );
 207                         } else {
 208                                 char *alias, *aliased_dn;
 209
 210                                                                 alias = ch_strdup( cargv[1] );
 211                                 (void) dn_normalize( alias );
 212
 213                                 aliased_dn = ch_strdup( cargv[2] );
 214                                 (void) dn_normalize( aliased_dn );
 215
 216
 217                                                                 if ( strcasecmp( alias, aliased_dn) == 0 ) {
 218                                         Debug( LDAP_DEBUG_ANY,
 219 "%s: line %d: suffixAlias %s is not different from aliased dn (ignored)\n",
 220                                     fname, lineno, alias );
 221                                                                 } else {
 222                                         (void) dn_normalize_case( alias );
 223                                         (void) dn_normalize_case( aliased_dn );
 224                                         charray_add( &be->be_suffixAlias, alias );
 225                                         charray_add( &be->be_suffixAlias, aliased_dn );
 226                                                                 }
 227
 228                                                                 free(alias);
 229                                                                 free(aliased_dn);
 230                         }
 231
 232                /* set max deref depth */
 233                } else if ( strcasecmp( cargv[0], "maxDerefDepth" ) == 0 ) {
 234                        if ( cargc < 2 ) {
 235                                Debug( LDAP_DEBUG_ANY,
 236                    "%s: line %d: missing depth in \"maxDerefDepth <depth>\" line\n",
 237                                    fname, lineno, 0 );
 238                                return( 1 );
 239                        }
 240                        if ( be == NULL ) {
 241                                Debug( LDAP_DEBUG_ANY,
 242 "%s: line %d: depth line must appear inside a database definition (ignored)\n",
 243                                    fname, lineno, 0 );
 244                        } else {
 245                            be->be_maxDerefDepth = atoi (cargv[1]);
 246                        }
 247
 248
 249                 /* set magic "root" dn for this database */
 250                 } else if ( strcasecmp( cargv[0], "rootdn" ) == 0 ) {
 251                         if ( cargc < 2 ) {
 252                                 Debug( LDAP_DEBUG_ANY,
 253                     "%s: line %d: missing dn in \"rootdn <dn>\" line\n",
 254                                     fname, lineno, 0 );
 255                                 return( 1 );
 256                         }
 257                         if ( be == NULL ) {
 258                                 Debug( LDAP_DEBUG_ANY,
 259 "%s: line %d: rootdn line must appear inside a database definition (ignored)\n",
 260                                     fname, lineno, 0 );
 261                         } else {
 262                                 be->be_root_dn = ch_strdup( cargv[1] );
 263                                 be->be_root_ndn = dn_normalize_case( ch_strdup( cargv[1] ) );
 264                         }
 265
 266                 /* set super-secret magic database password */
 267                 } else if ( strcasecmp( cargv[0], "rootpw" ) == 0 ) {
 268                         if ( cargc < 2 ) {
 269                                 Debug( LDAP_DEBUG_ANY,
 270             "%s: line %d: missing passwd in \"rootpw <passwd>\" line\n",
 271                                     fname, lineno, 0 );
 272                                 return( 1 );
 273                         }
 274                         if ( be == NULL ) {
 275                                 Debug( LDAP_DEBUG_ANY,
 276 "%s: line %d: rootpw line must appear inside a database definition (ignored)\n",
 277                                     fname, lineno, 0 );
 278                         } else {
 279                                 be->be_root_pw = ch_strdup( cargv[1] );
 280                         }
 281
 282                 /* make this database read-only */
 283                 } else if ( strcasecmp( cargv[0], "readonly" ) == 0 ) {
 284                         if ( cargc < 2 ) {
 285                                 Debug( LDAP_DEBUG_ANY,
 286             "%s: line %d: missing on|off in \"readonly <on|off>\" line\n",
 287                                     fname, lineno, 0 );
 288                                 return( 1 );
 289                         }
 290                         if ( be == NULL ) {
 291                                 Debug( LDAP_DEBUG_ANY,
 292 "%s: line %d: readonly line must appear inside a database definition (ignored)\n",
 293                                     fname, lineno, 0 );
 294                         } else {
 295                                 if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 296                                         be->be_readonly = 1;
 297                                 } else {
 298                                         be->be_readonly = 0;
 299                                 }
 300                         }
 301
 302                 /* where to send clients when we don't hold it */
 303                 } else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
 304                         if ( cargc < 2 ) {
 305                                 Debug( LDAP_DEBUG_ANY,
 306                     "%s: line %d: missing URL in \"referral <URL>\" line\n",
 307                                     fname, lineno, 0 );
 308                                 return( 1 );
 309                         }
 310                         default_referral = (char *) ch_malloc( strlen( cargv[1] )
 311                             + sizeof("Referral:\n") + 1 );
 312                         strcpy( default_referral, "Referral:\n" );
 313                         strcat( default_referral, cargv[1] );
 314
 315                 /* specify locale */
 316                 } else if ( strcasecmp( cargv[0], "locale" ) == 0 ) {
 317 #ifdef HAVE_LOCALE_H
 318                         char *locale;
 319                         if ( cargc < 2 ) {
 320                                 Debug( LDAP_DEBUG_ANY,
 321         "%s: line %d: missing locale in \"locale <name | on | off>\" line\n",
 322                                        fname, lineno, 0 );
 323                                 return( 1 );
 324                         }
 325
 326                         locale = (strcasecmp(   cargv[1], "on"  ) == 0 ? ""
 327                                   : strcasecmp( cargv[1], "off" ) == 0 ? "C"
 328                                   : ch_strdup( cargv[1] )                    );
 329
 330                         if ( setlocale( LC_CTYPE, locale ) == 0 ) {
 331                                 Debug( LDAP_DEBUG_ANY,
 332                                        (*locale
 333                                         ? "%s: line %d: bad locale \"%s\"\n"
 334                                         : "%s: line %d: bad locale\n"),
 335                                        fname, lineno, locale );
 336                                 return( 1 );
 337                         }
 338 #else
 339                         Debug( LDAP_DEBUG_ANY,
 340                                "%s: line %d: \"locale\" unsupported\n",
 341                                fname, lineno, 0 );
 342                         return( 1 );
 343 #endif
 344                 /* specify an objectclass */
 345                 } else if ( strcasecmp( cargv[0], "objectclass" ) == 0 ) {
 346                         parse_oc( be, fname, lineno, cargc, cargv );
 347
 348                 /* specify an attribute */
 349                 } else if ( strcasecmp( cargv[0], "attribute" ) == 0 ) {
 350                         attr_syntax_config( fname, lineno, cargc - 1,
 351                             &cargv[1] );
 352
 353                 /* turn on/off schema checking */
 354                 } else if ( strcasecmp( cargv[0], "schemacheck" ) == 0 ) {
 355                         if ( cargc < 2 ) {
 356                                 Debug( LDAP_DEBUG_ANY,
 357     "%s: line %d: missing on|off in \"schemacheck <on|off>\" line\n",
 358                                     fname, lineno, 0 );
 359                                 return( 1 );
 360                         }
 361                         if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 362                                 global_schemacheck = 1;
 363                         } else {
 364                                 global_schemacheck = 0;
 365                         }
 366
 367                 /* specify access control info */
 368                 } else if ( strcasecmp( cargv[0], "access" ) == 0 ) {
 369                         parse_acl( be, fname, lineno, cargc, cargv );
 370
 371                 /* specify default access control info */
 372                 } else if ( strcasecmp( cargv[0], "defaultaccess" ) == 0 ) {
 373                         if ( cargc < 2 ) {
 374                                 Debug( LDAP_DEBUG_ANY,
 375             "%s: line %d: missing limit in \"defaultaccess <access>\" line\n",
 376                                     fname, lineno, 0 );
 377                                 return( 1 );
 378                         }
 379                         if ( be == NULL ) {
 380                                 if ( (global_default_access =
 381                                     str2access( cargv[1] )) == -1 ) {
 382                                         Debug( LDAP_DEBUG_ANY,
 383 "%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
 384                                             fname, lineno, cargv[1] );
 385                                         return( 1 );
 386                                 }
 387                         } else {
 388                                 if ( (be->be_dfltaccess =
 389                                     str2access( cargv[1] )) == -1 ) {
 390                                         Debug( LDAP_DEBUG_ANY,
 391 "%s: line %d: bad access \"%s\" expecting [self]{none|compare|read|write}\n",
 392                                             fname, lineno, cargv[1] );
 393                                         return( 1 );
 394                                 }
 395                         }
 396
 397                 /* debug level to log things to syslog */
 398                 } else if ( strcasecmp( cargv[0], "loglevel" ) == 0 ) {
 399                         if ( cargc < 2 ) {
 400                                 Debug( LDAP_DEBUG_ANY,
 401                     "%s: line %d: missing level in \"loglevel <level>\" line\n",
 402                                     fname, lineno, 0 );
 403                                 return( 1 );
 404                         }
 405                         ldap_syslog = atoi( cargv[1] );
 406
 407                 /* list of replicas of the data in this backend (master only) */
 408                 } else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
 409                         if ( cargc < 2 ) {
 410                                 Debug( LDAP_DEBUG_ANY,
 411             "%s: line %d: missing host in \"replica <host[:port]>\" line\n",
 412                                     fname, lineno, 0 );
 413                                 return( 1 );
 414                         }
 415                         if ( be == NULL ) {
 416                                 Debug( LDAP_DEBUG_ANY,
 417 "%s: line %d: replica line must appear inside a database definition (ignored)\n",
 418                                     fname, lineno, 0 );
 419                         } else {
 420                                 for ( i = 1; i < cargc; i++ ) {
 421                                         if ( strncasecmp( cargv[i], "host=", 5 )
 422                                             == 0 ) {
 423                                                 charray_add( &be->be_replica,
 424                                                     ch_strdup( cargv[i] + 5 ) );
 425                                                 break;
 426                                         }
 427                                 }
 428                                 if ( i == cargc ) {
 429                                         Debug( LDAP_DEBUG_ANY,
 430                     "%s: line %d: missing host in \"replica\" line (ignored)\n",
 431                                             fname, lineno, 0 );
 432                                 }
 433                         }
 434
 435                 /* dn of master entity allowed to write to replica */
 436                 } else if ( strcasecmp( cargv[0], "updatedn" ) == 0 ) {
 437                         if ( cargc < 2 ) {
 438                                 Debug( LDAP_DEBUG_ANY,
 439                     "%s: line %d: missing dn in \"updatedn <dn>\" line\n",
 440                                     fname, lineno, 0 );
 441                                 return( 1 );
 442                         }
 443                         if ( be == NULL ) {
 444                                 Debug( LDAP_DEBUG_ANY,
 445 "%s: line %d: updatedn line must appear inside a database definition (ignored)\n",
 446                                     fname, lineno, 0 );
 447                         } else {
 448                                 be->be_update_ndn = ch_strdup( cargv[1] );
 449                                 (void) dn_normalize_case( be->be_update_ndn );
 450                         }
 451
 452                 /* replication log file to which changes are appended */
 453                 } else if ( strcasecmp( cargv[0], "replogfile" ) == 0 ) {
 454                         if ( cargc < 2 ) {
 455                                 Debug( LDAP_DEBUG_ANY,
 456             "%s: line %d: missing dn in \"replogfile <filename>\" line\n",
 457                                     fname, lineno, 0 );
 458                                 return( 1 );
 459                         }
 460                         if ( be ) {
 461                                 be->be_replogfile = ch_strdup( cargv[1] );
 462                         } else {
 463                                 replogfile = ch_strdup( cargv[1] );
 464                         }
 465
 466                 /* maintain lastmodified{by,time} attributes */
 467                 } else if ( strcasecmp( cargv[0], "lastmod" ) == 0 ) {
 468                         if ( cargc < 2 ) {
 469                                 Debug( LDAP_DEBUG_ANY,
 470             "%s: line %d: missing on|off in \"lastmod <on|off>\" line\n",
 471                                     fname, lineno, 0 );
 472                                 return( 1 );
 473                         }
 474                         if ( strcasecmp( cargv[1], "on" ) == 0 ) {
 475                                 if ( be )
 476                                         be->be_lastmod = ON;
 477                                 else
 478                                         global_lastmod = ON;
 479                         } else {
 480                                 if ( be )
 481                                         be->be_lastmod = OFF;
 482                                 else
 483                                         global_lastmod = OFF;
 484                         }
 485
 486                 /* include another config file */
 487                 } else if ( strcasecmp( cargv[0], "include" ) == 0 ) {
 488                         if ( cargc < 2 ) {
 489                                 Debug( LDAP_DEBUG_ANY,
 490     "%s: line %d: missing filename in \"include <filename>\" line\n",
 491                                     fname, lineno, 0 );
 492                                 return( 1 );
 493                         }
 494                         savefname = ch_strdup( cargv[1] );
 495                         savelineno = lineno;
 496
 497                         if ( read_config( savefname ) != 0 ) {
 498                                 return( 1 );
 499                         }
 500
 501                         free( savefname );
 502                         lineno = savelineno - 1;
 503
 504                 /* location of kerberos srvtab file */
 505                 } else if ( strcasecmp( cargv[0], "srvtab" ) == 0 ) {
 506                         if ( cargc < 2 ) {
 507                                 Debug( LDAP_DEBUG_ANY,
 508             "%s: line %d: missing filename in \"srvtab <filename>\" line\n",
 509                                     fname, lineno, 0 );
 510                                 return( 1 );
 511                         }
 512                         ldap_srvtab = ch_strdup( cargv[1] );
 513
 514                 /* pass anything else to the current backend info/db config routine */
 515                 } else {
 516                         if ( bi != NULL ) {
 517                                 if ( bi->bi_config == 0 ) {
 518                                         Debug( LDAP_DEBUG_ANY,
 519 "%s: line %d: unknown directive \"%s\" inside backend info definition (ignored)\n",
 520                                                 fname, lineno, cargv[0] );
 521                                 } else {
 522                                         if ( (*bi->bi_config)( bi, fname, lineno, cargc, cargv )
 523                                                 != 0 )
 524                                         {
 525                                                 return( 1 );
 526                                         }
 527                                 }
 528                         } else if ( be != NULL ) {
 529                                 if ( be->be_config == 0 ) {
 530                                         Debug( LDAP_DEBUG_ANY,
 531 "%s: line %d: unknown directive \"%s\" inside backend database definition (ignored)\n",
 532                                         fname, lineno, cargv[0] );
 533                                 } else {
 534                                         if ( (*be->be_config)( be, fname, lineno, cargc, cargv )
 535                                                 != 0 )
 536                                         {
 537                                                 return( 1 );
 538                                         }
 539                                 }
 540                         } else {
 541                                 Debug( LDAP_DEBUG_ANY,
 542 "%s: line %d: unknown directive \"%s\" outside backend info and database definitions (ignored)\n",
 543                                     fname, lineno, cargv[0] );
 544                         }
 545                 }
 546         }
 547         fclose( fp );
 548         return( 0 );
 549 }
 550
 551 static int
 552 fp_parse_line(
 553     char        *line,
 554     int         *argcp,
 555     char        **argv
 556 )
 557 {
 558         char *  token;
 559
 560         *argcp = 0;
 561         for ( token = strtok_quote( line, " \t" ); token != NULL;
 562             token = strtok_quote( NULL, " \t" ) ) {
 563                 if ( *argcp == MAXARGS ) {
 564                         Debug( LDAP_DEBUG_ANY, "Too many tokens (max %d)\n",
 565                             MAXARGS, 0, 0 );
 566                         return( 1 );
 567                 }
 568                 argv[(*argcp)++] = token;
 569         }
 570         argv[*argcp] = NULL;
 571         return 0;
 572 }
 573
 574 static char *
 575 strtok_quote( char *line, char *sep )
 576 {
 577         int             inquote;
 578         char            *tmp;
 579         static char     *next;
 580
 581         if ( line != NULL ) {
 582                 next = line;
 583         }
 584         while ( *next && strchr( sep, *next ) ) {
 585                 next++;
 586         }
 587
 588         if ( *next == '\0' ) {
 589                 next = NULL;
 590                 return( NULL );
 591         }
 592         tmp = next;
 593
 594         for ( inquote = 0; *next; ) {
 595                 switch ( *next ) {
 596                 case '"':
 597                         if ( inquote ) {
 598                                 inquote = 0;
 599                         } else {
 600                                 inquote = 1;
 601                         }
 602                         SAFEMEMCPY( next, next + 1, strlen( next + 1 ) + 1 );
 603                         break;
 604
 605                 case '\\':
 606                         if ( next[1] )
 607                                 SAFEMEMCPY( next,
 608                                             next + 1, strlen( next + 1 ) + 1 );
 609                         next++;         /* dont parse the escaped character */
 610                         break;
 611
 612                 default:
 613                         if ( ! inquote ) {
 614                                 if ( strchr( sep, *next ) != NULL ) {
 615                                         *next++ = '\0';
 616                                         return( tmp );
 617                                 }
 618                         }
 619                         next++;
 620                         break;
 621                 }
 622         }
 623
 624         return( tmp );
 625 }
 626
 627 static char     buf[BUFSIZ];
 628 static char     *line;
 629 static int      lmax, lcur;
 630
 631 #define CATLINE( buf )  { \
 632         int     len; \
 633         len = strlen( buf ); \
 634         while ( lcur + len + 1 > lmax ) { \
 635                 lmax += BUFSIZ; \
 636                 line = (char *) ch_realloc( line, lmax ); \
 637         } \
 638         strcpy( line + lcur, buf ); \
 639         lcur += len; \
 640 }
 641
 642 static char *
 643 fp_getline( FILE *fp, int *lineno )
 644 {
 645         char            *p;
 646
 647         lcur = 0;
 648         CATLINE( buf );
 649         (*lineno)++;
 650
 651         /* hack attack - keeps us from having to keep a stack of bufs... */
 652         if ( strncasecmp( line, "include", 7 ) == 0 ) {
 653                 buf[0] = '\0';
 654                 return( line );
 655         }
 656
 657         while ( fgets( buf, sizeof(buf), fp ) != NULL ) {
 658                 if ( (p = strchr( buf, '\n' )) != NULL ) {
 659                         *p = '\0';
 660                 }
 661                 if ( ! isspace( (unsigned char) buf[0] ) ) {
 662                         return( line );
 663                 }
 664
 665                 CATLINE( buf );
 666                 (*lineno)++;
 667         }
 668         buf[0] = '\0';
 669
 670         return( line[0] ? line : NULL );
 671 }
 672
 673 static void
 674 fp_getline_init( int *lineno )
 675 {
 676         *lineno = -1;
 677         buf[0] = '\0';
 678 }