ircd/convert-conf.c

   1 /* convert-conf.c - Convert ircu2.10.11 ircd.conf to ircu2.10.12 format.
   2  * Copyright 2005 Michael Poole
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  17  * USA.
  18  */
  19
  20 #include <ctype.h> /* tolower(), toupper(), isdigit() */
  21 #include <stdio.h> /* *printf(), fgets() */
  22 #include <stdlib.h> /* free(), strtol() */
  23 #include <string.h> /* strlen(), memcpy(), strchr(), strspn() */
  24
  25 #define MAX_FIELDS 5
  26
  27 const char *admin_names[] = { "location", "contact", "contact", 0 },
  28     *connect_names[] = { "host", "password", "name", "#port", "class", 0 },
  29     *crule_names[] = { "server", "",  "rule", 0 },
  30     *general_names[] = { "name", "vhost", "description", "", "#numeric", 0 },
  31     *motd_names[] = { "host", "file", 0 },
  32     *class_names[] = { "name", "#pingfreq", "#connectfreq", "#maxlinks", "#sendq", 0 },
  33     *removed_features[] = { "VIRTUAL_HOST", "OPERS_SEE_IN_SECRET_CHANNELS", "LOCOP_SEE_IN_SECRET_CHANNELS", 0 };
  34 char orig_line[512], line[512], dbuf[512];
  35 char *fields[MAX_FIELDS + 1];
  36 unsigned int nfields;
  37 unsigned int lineno;
  38
  39 /*** GENERIC SUPPORT CODE ***/
  40
  41 static int split_line(char *input, char **output)
  42 {
  43     size_t quoted = 0, jj;
  44     char *dest = dbuf, ch;
  45
  46     nfields = 1;
  47     output[0] = dest;
  48     while (*input != '\0' && *input != '#') switch (ch = *input++) {
  49     case ':':
  50         if (quoted)
  51             *dest++ = ch;
  52         else {
  53             *dest++ = '\0';
  54             if (nfields >= MAX_FIELDS)
  55                 return nfields;
  56             output[nfields++] = dest;
  57         }
  58         break;
  59     case '\\':
  60         switch (ch = *input++) {
  61         case 'b': *dest++ = '\b'; break;
  62         case 'f': *dest++ = '\f'; break;
  63         case 'n': *dest++ = '\n'; break;
  64         case 'r': *dest++ = '\r'; break;
  65         case 't': *dest++ = '\t'; break;
  66         case 'v': *dest++ = '\v'; break;
  67         default: *dest++ = ch; break;
  68         }
  69         break;
  70     case '"': quoted = !quoted; break;
  71     default: *dest++ = ch;  break;
  72     }
  73
  74     *dest = '\0';
  75     for (jj = nfields; jj < MAX_FIELDS; ++jj)
  76         output[jj] = dest;
  77     return nfields;
  78 }
  79
  80 static void simple_line(const char *block, const char **names, const char *extra)
  81 {
  82     size_t ii;
  83
  84     /* Print the current line and start the new block. */
  85     fprintf(stdout, "# %s\n%s {\n", orig_line, block);
  86
  87     /* Iterate over fields in input line, formatting each. */
  88     for (ii = 0; ii < nfields && names[ii]; ++ii) {
  89         if (!fields[ii][0] || !names[ii][0])
  90             continue;
  91         else if (names[ii][0] == '#')
  92             fprintf(stdout, "\t%s = %s;\n", names[ii] + 1, fields[ii]);
  93         else
  94             fprintf(stdout, "\t%s = \"%s\";\n", names[ii], fields[ii]);
  95     }
  96
  97     /* Close the new block (including any fixed-form text). */
  98     if (extra)
  99         fprintf(stdout, "\t%s\n", extra);
 100     fputs("};\n", stdout);
 101 }
 102
 103 #define dupstring(TARGET, SOURCE) do { free(TARGET); if (SOURCE) { size_t len = strlen(SOURCE); (TARGET) = malloc(len+1); memcpy((TARGET), (SOURCE), len); } else (TARGET) = 0; } while(0)
 104
 105 /*** MANAGING LISTS OF STRINGS ***/
 106
 107 struct string_list {
 108     struct string_list *next;
 109     char *origin;
 110     char *extra;
 111     char value[1];
 112 };
 113
 114 static struct string_list *string_get(struct string_list **list, const char *value)
 115 {
 116     struct string_list *curr;
 117     size_t len = strlen(value), ii;
 118
 119     while ((curr = *list)) {
 120         for (ii = 0; tolower(curr->value[ii]) == tolower(value[ii]) && ii < len; ++ii) ;
 121         if (curr->value[ii] == '\0' && value[ii] == '\0')
 122             return curr;
 123         list = &curr->next;
 124     }
 125
 126     *list = calloc(1, sizeof(**list) + len);
 127     memcpy((*list)->value, value, len);
 128     return *list;
 129 }
 130
 131 /*** SERVER CONNECTION RELATED CODE ***/
 132
 133 struct connect {
 134     char *host;
 135     char *password;
 136     char *port;
 137     char *class;
 138     char *hub;
 139     char *maximum;
 140     struct connect *next;
 141     struct string_list *origins;
 142     char name[1];
 143 } *connects;
 144
 145 static struct connect *get_connect(const char *name)
 146 {
 147     struct connect *conn;
 148     size_t ii, nlen;
 149
 150     /* Look for a pre-existing connection with the same name. */
 151     nlen = strlen(name);
 152     for (conn = connects; conn; conn = conn->next)
 153     {
 154         for (ii = 0; tolower(name[ii]) == conn->name[ii] && ii < nlen; ++ii) ;
 155         if (conn->name[ii] == '\0' && name[ii] == '\0')
 156             break;
 157     }
 158
 159     /* If none was found, create a new one. */
 160     if (!conn)
 161     {
 162         conn = calloc(1, sizeof(*conn) + nlen);
 163         for (ii = 0; ii < nlen; ++ii)
 164             conn->name[ii] = tolower(name[ii]);
 165         conn->next = connects;
 166         connects = conn;
 167     }
 168
 169     /* Return the connection. */
 170     return conn;
 171 }
 172
 173 static void do_connect(void)
 174 {
 175     struct connect *conn = get_connect(fields[2]);
 176     dupstring(conn->host, fields[0]);
 177     dupstring(conn->password, fields[1]);
 178     dupstring(conn->port, fields[3]);
 179     dupstring(conn->class, fields[4]);
 180     string_get(&conn->origins, orig_line);
 181 }
 182
 183 static void do_hub(void)
 184 {
 185     struct connect *conn = get_connect(fields[2]);
 186     dupstring(conn->hub, fields[0]);
 187     dupstring(conn->maximum, fields[3]);
 188     string_get(&conn->origins, orig_line);
 189 }
 190
 191 static void do_leaf(void)
 192 {
 193     struct connect *conn = get_connect(fields[2]);
 194     free(conn->hub);
 195     conn->hub = 0;
 196     string_get(&conn->origins, orig_line);
 197 }
 198
 199 static void finish_connects(void)
 200 {
 201     struct connect *conn;
 202     struct string_list *sl;
 203
 204     for (conn = connects; conn; conn = conn->next)
 205     {
 206         for (sl = conn->origins; sl; sl = sl->next)
 207             fprintf(stdout, "# %s\n", sl->value);
 208         fprintf(stdout,
 209                 "Connect {\n\tname =\"%s\";\n\thost = \"%s\";\n"
 210                 "\tpassword = \"%s\";\n\tclass = \"%s\";\n",
 211                 conn->name, conn->host, conn->password, conn->class);
 212         if (conn->port && conn->port[0] != '\0')
 213             fprintf(stdout, "\tport = %s;\n", conn->port);
 214         else
 215             fprintf(stdout,
 216                     "# Every Connect block should have a port number.\n"
 217                     "# To prevent autoconnects, set autoconnect = no.\n"
 218                     "#\tport = 4400;\n"
 219                     "\tautoconnect = no;\n");
 220         if (conn->maximum && conn->maximum[0] != '\0')
 221             fprintf(stdout, "\tmaxhops = %s;\n", conn->maximum);
 222         if (conn->hub && conn->hub[0] != '\0')
 223             fprintf(stdout, "\thub = \"%s\";\n", conn->hub);
 224         fprintf(stdout, "};\n\n");
 225
 226     }
 227 }
 228
 229 /*** FEATURE MANAGEMENT CODE ***/
 230
 231 struct feature {
 232     struct string_list *values;
 233     struct string_list *origins;
 234     struct feature *next;
 235     char name[1];
 236 } *features;
 237
 238 struct remapped_feature {
 239     const char *name;
 240     const char *privilege;
 241     int flags; /* 2 = global, 1 = local */
 242     struct feature *feature;
 243 } remapped_features[] = {
 244     /* Specially handled privileges: If you change the index of
 245      * anything with NULL privilege, change the code in
 246      * finish_operators() to match!
 247      */
 248     { "CRYPT_OPER_PASSWORD", NULL, 0, 0 }, /* default: true */
 249     { "OPER_KILL", NULL, 2, 0 }, /* default: true */
 250     { "LOCAL_KILL_ONLY", NULL, 2, 0 }, /* default: false */
 251     /* remapped features that affect all opers  */
 252     { "OPER_NO_CHAN_LIMIT", "chan_limit", 3, 0 },
 253     { "OPER_MODE_LCHAN", "mode_lchan", 3, 0 },
 254     { "OPER_WALK_THROUGH_LMODES", "walk_lchan", 3, 0 },
 255     { "NO_OPER_DEOP_LCHAN", "deop_lchan", 3, 0 },
 256     { "SHOW_INVISIBLE_USERS", "show_invis", 3, 0 },
 257     { "SHOW_ALL_INVISIBLE_USERS", "show_all_invis", 3, 0 },
 258     { "UNLIMIT_OPER_QUERY", "unlimit_query", 3, 0 },
 259     /* remapped features affecting only global opers */
 260     { "OPER_REHASH", "rehash", 2, 0 },
 261     { "OPER_RESTART", "restart", 2, 0 },
 262     { "OPER_DIE", "die", 2, 0 },
 263     { "OPER_GLINE", "gline", 2, 0 },
 264     { "OPER_LGLINE", "local_gline", 2, 0 },
 265     { "OPER_JUPE", "jupe", 2, 0 },
 266     { "OPER_LJUPE", "local_jupe", 2, 0 },
 267     { "OPER_OPMODE", "opmode", 2, 0 },
 268     { "OPER_LOPMODE", "local_opmode", 2, 0 },
 269     { "OPER_FORCE_OPMODE", "force_opmode", 2, 0 },
 270     { "OPER_FORCE_LOPMODE", "force_local_opmode", 2, 0 },
 271     { "OPER_BADCHAN", "badchan", 2, 0 },
 272     { "OPER_LBADCHAN", "local_badchan", 2, 0 },
 273     { "OPER_SET", "set", 2, 0 },
 274     { "OPER_WIDE_GLINE", "wide_gline", 2, 0 },
 275     /* remapped features affecting only local opers */
 276     { "LOCOP_KILL", "kill", 1, 0 },
 277     { "LOCOP_REHASH", "rehash", 1, 0 },
 278     { "LOCOP_RESTART", "restart", 1, 0 },
 279     { "LOCOP_DIE", "die", 1, 0 },
 280     { "LOCOP_LGLINE", "local_gline", 1, 0 },
 281     { "LOCOP_LJUPE", "local_jupe", 1, 0 },
 282     { "LOCOP_LOPMODE", "local_opmode", 1, 0 },
 283     { "LOCOP_FORCE_LOPMODE", "force_local_opmode", 1, 0 },
 284     { "LOCOP_LBADCHAN", "local_badchan", 1, 0 },
 285     { "LOCOP_WIDE_GLINE", "wide_gline", 1, 0 },
 286     { 0, 0, 0, 0 }
 287 };
 288
 289 static void do_feature(void)
 290 {
 291     struct feature *feat;
 292     size_t ii;
 293
 294     ii = strlen(fields[0]);
 295     feat = calloc(1, sizeof(*feat) + ii);
 296     while (ii-- > 0)
 297         feat->name[ii] = toupper(fields[0][ii]);
 298     feat->next = features;
 299     features = feat;
 300     string_get(&feat->origins, orig_line);
 301     for (ii = 1; fields[ii] && fields[ii][0]; ++ii)
 302         string_get(&feat->values, fields[ii]);
 303 }
 304
 305 static void finish_features(void)
 306 {
 307     struct remapped_feature *rmf;
 308     struct string_list *sl;
 309     struct feature *feat;
 310     size_t ii;
 311
 312     fputs("Features {\n\t\"OPLEVELS\" = \"FALSE\";\n", stdout);
 313
 314     for (feat = features; feat; feat = feat->next) {
 315         /* See if the feature was remapped to an oper privilege. */
 316         for (rmf = remapped_features; rmf->name; rmf++)
 317             if (0 == strcmp(feat->name, rmf->name))
 318                 break;
 319         if (rmf->name) {
 320             rmf->feature = feat;
 321             fprintf(stdout, "# Above feature mapped to an oper privilege.\n");
 322             continue;
 323         }
 324
 325         /* Was it removed? */
 326         for (ii = 0; removed_features[ii]; ++ii)
 327             if (0 == strcmp(feat->name, removed_features[ii]))
 328                 break;
 329         if (removed_features[ii]) {
 330             fprintf(stdout, "# Above feature no longer exists.\n");
 331             continue;
 332         }
 333
 334         /* If it had no value before, drop it now since the lexer does
 335          * not accept empty strings and the grammar does not accept
 336          * empty stringlists.*/
 337         if (!feat->values) {
 338             fprintf(stdout, "# Above feature had no value.\n");
 339             continue;
 340         }
 341
 342         /* Wasn't remapped, wasn't removed: print it out. */
 343         fprintf(stdout, "\t\"%s\" =", feat->name);
 344         for (sl = feat->values; sl; sl = sl->next)
 345             fprintf(stdout, " \"%s\"", sl->value);
 346         fprintf(stdout, ";\n");
 347     }
 348     fputs("};\n\n", stdout);
 349
 350 }
 351
 352 /*** OPERATOR BLOCKS ***/
 353
 354 struct operator {
 355     char *name;
 356     char *host;
 357     char *password;
 358     char *class;
 359     char *origin;
 360     int is_local;
 361     struct operator *next;
 362 } *operators;
 363
 364 static void do_operator(int is_local)
 365 {
 366     struct operator *oper;
 367
 368     oper = calloc(1, sizeof(*oper));
 369     dupstring(oper->host, fields[0]);
 370     dupstring(oper->password, fields[1]);
 371     dupstring(oper->name, fields[2]);
 372     dupstring(oper->class, fields[4]);
 373     dupstring(oper->origin, orig_line);
 374     oper->is_local = is_local;
 375     oper->next = operators;
 376     operators = oper;
 377 }
 378
 379 static void finish_operators(void)
 380 {
 381     struct remapped_feature *remap;
 382     struct operator *oper;
 383     struct feature *feat;
 384     char *pw_salt = "";
 385     int global_kill = 0, mask = 0;
 386     size_t ii;
 387
 388     if ((feat = remapped_features[0].feature) && feat->values
 389         && 0 == strcmp(feat->values->value, "FALSE"))
 390         pw_salt = "$PLAIN$";
 391
 392     if ((feat = remapped_features[1].feature) && feat->values
 393         && 0 == strcmp(feat->values->value, "FALSE"))
 394         global_kill = 1;
 395     else if ((feat = remapped_features[2].feature) && feat->values
 396         && 0 == strcmp(feat->values->value, "FALSE"))
 397         global_kill = 2;
 398
 399     for (oper = operators; oper; oper = oper->next) {
 400         fprintf(stdout, "# %s\nOperator {\n\tname = \"%s\";\n"
 401                 "\thost = \"%s\";\n\tpassword = \"%s%s\";\n"
 402                 "\tclass = \"%s\";\n",
 403                 oper->origin, oper->name, oper->host, pw_salt,
 404                 oper->password, oper->class);
 405         if (oper->is_local) {
 406             fputs("\tlocal = yes;\n", stdout);
 407             mask = 1;
 408         } else {
 409             fputs("\tlocal = no;\n", stdout);
 410             if (global_kill == 1)
 411                 fputs("\tkill = no;\n\tlocal_kill = no;\n", stdout);
 412             else if (global_kill == 2)
 413                 fputs("\tkill = no;\n\tlocal_kill = yes;\n", stdout);
 414             mask = 2;
 415         }
 416         for (ii = 0; (remap = &remapped_features[ii++])->name; ) {
 417             if (!remap->feature || !remap->privilege
 418                 || !remap->feature->values || !remap->flags & mask)
 419                 continue;
 420             fprintf(stdout, "\t%s = %s;\n", remap->privilege,
 421                     strcmp(remap->feature->values->value, "TRUE") ? "no" : "yes");
 422         }
 423         fputs("};\n\n", stdout);
 424     }
 425 }
 426
 427 /*** OTHER CONFIG TRANSFORMS ***/
 428
 429 static void do_kill(void)
 430 {
 431     const char *host = fields[0], *reason = fields[1], *user = fields[2];
 432
 433     if (!memcmp(host, "$R", 3)) {
 434         fprintf(stderr, "Empty realname K: line at line %u.\n", lineno);
 435         return;
 436     }
 437
 438     /* Print the current line and start the new block. */
 439     fprintf(stdout, "# %s\nKill {\n", orig_line);
 440
 441     /* Translate the user-matching portions. */
 442     if (host[0] == '$' && host[1] == 'R') {
 443         /* Realname kill, possibly with a username */
 444         fprintf(stdout, "\trealname = \"%s\";\n", host + 2);
 445         if (user[0] != '\0' && (user[0] != '*' || user[1] != '\0'))
 446             fprintf(stdout, "\thost = \"%s@*\";\n", user);
 447     } else {
 448         /* Normal host or IP-based kill */
 449         if (user[0] != '\0' && (user[0] != '*' || user[1] != '\0'))
 450             fprintf(stdout, "\thost = \"%s@%s\";\n", user, host);
 451         else
 452             fprintf(stdout, "\thost = \"%s\";\n", host);
 453     }
 454
 455     /* Translate the reason section. */
 456     if (reason[0] == '!')
 457         fprintf(stdout, "\tfile = \"%s\";\n", reason + 1);
 458     else
 459         fprintf(stdout, "\treason = \"%s\";\n", reason);
 460
 461     /* Close the block. */
 462     fprintf(stdout, "};\n");
 463 }
 464
 465 static void do_port(void)
 466 {
 467     const char *ipmask = fields[0], *iface = fields[1], *flags = fields[2], *port = fields[3];
 468
 469     /* Print the current line and start the new block. */
 470     fprintf(stdout, "# %s\nPort {\n", orig_line);
 471
 472     /* Print the easy fields. */
 473     fprintf(stdout, "\tport = %s;\n", port);
 474     if (iface && iface[0] != '\0')
 475         fprintf(stdout, "\tvhost = \"%s\";\n", iface);
 476     if (ipmask && ipmask[0] != '\0')
 477         fprintf(stdout, "\tmask = \"%s\";\n", ipmask);
 478
 479     /* Translate flag field. */
 480     while (*flags) switch (*flags++) {
 481     case 'C': case 'c': /* client port is default state */; break;
 482     case 'S': case 's': fprintf(stdout, "\tserver = yes;\n"); break;
 483     case 'H': case 'h': fprintf(stdout, "\thidden = yes;\n"); break;
 484     }
 485
 486     /* Close the block. */
 487     fprintf(stdout, "};\n");
 488 }
 489
 490 struct string_list *quarantines;
 491
 492 static void do_quarantine(void)
 493 {
 494     struct string_list *q;
 495     q = string_get(&quarantines, fields[0]);
 496     dupstring(q->origin, orig_line);
 497     dupstring(q->extra, fields[1]);
 498 }
 499
 500 static void finish_quarantines(void)
 501 {
 502     struct string_list *sl;
 503
 504     if (quarantines)
 505     {
 506         fputs("Quarantine {\n", stdout);
 507         for (sl = quarantines; sl; sl = sl->next)
 508             fprintf(stdout, "# %s\n\t\"%s\" = \"%s\";\n", sl->origin, sl->value, sl->extra);
 509         fputs("};\n\n", stdout);
 510     }
 511 }
 512
 513 static void do_uworld(void)
 514 {
 515     fprintf(stdout, "# %s\n", orig_line);
 516     if (fields[0] && fields[0][0])
 517         fprintf(stdout, "Uworld { name = \"%s\"; };\n", fields[0]);
 518     if (fields[1] && fields[1][0])
 519         fprintf(stdout, "Jupe { nick = \"%s\"; };\n", fields[1]);
 520 }
 521
 522 static void emit_client(const char *mask, const char *passwd, const char *class, long maxlinks, int is_ip)
 523 {
 524     char *delim;
 525     size_t len;
 526
 527     delim = strchr(mask, '@');
 528     if (delim) {
 529         *delim++ = '\0';
 530         if (is_ip) {
 531             len = strspn(delim, "0123456789.*");
 532             if (delim[len]) {
 533                 fprintf(stderr, "Invalid IP mask on line %u.\n", lineno);
 534                 return;
 535             }
 536             fprintf(stdout, "Client {\n\tusername = \"%s\";\n\tip = \"%s\";\n", mask, delim);
 537         } else {
 538             fprintf(stdout, "Client {\n\tusername =\"%s\";\n\thost = \"%s\";\n", mask, delim);
 539         }
 540     } else if (is_ip) {
 541         len = strspn(mask, "0123456789.*");
 542         if (mask[len])
 543             return;
 544         fprintf(stdout, "Client {\n\tip = \"%s\";\n", mask);
 545     } else {
 546         if (!strchr(mask, '.') && !strchr(mask, '*'))
 547             return;
 548         fprintf(stdout, "Client {\n\thost = \"%s\";\n", mask);
 549     }
 550
 551     if (passwd)
 552         fprintf(stdout, "\tpassword = \"%s\";\n", passwd);
 553
 554     if (maxlinks >= 0)
 555         fprintf(stdout, "\tmaxlinks = %ld;\n", maxlinks);
 556
 557     fprintf(stdout, "\tclass = \"%s\";\n};\n", class);
 558 }
 559
 560 static void do_client(void)
 561 {
 562     char *passwd = NULL, *delim;
 563     long maxlinks;
 564
 565     /* Print the current line. */
 566     fprintf(stdout, "# %s\n", orig_line);
 567
 568     /* See if the password is really a maxlinks count. */
 569     maxlinks = strtol(fields[1], &delim, 10);
 570     if (fields[1][0] == '\0')
 571         maxlinks = -1;
 572     else if (maxlinks < 0 || maxlinks > 99 || *delim != '\0')
 573         passwd = fields[1];
 574
 575     /* Translate the IP and host mask fields into blocks. */
 576     emit_client(fields[0], passwd, fields[4], maxlinks, 1);
 577     emit_client(fields[2], passwd, fields[4], maxlinks, 0);
 578 }
 579
 580 int main(int argc, char *argv[])
 581 {
 582     FILE *ifile;
 583
 584     if (argc < 2)
 585         ifile = stdin;
 586     else if (!(ifile = fopen(argv[1], "rt"))) {
 587         fprintf(stderr, "Unable to open file %s for input.\n", argv[1]);
 588         return 1;
 589     }
 590
 591     for (lineno = 1; fgets(line, sizeof(line), ifile); ++lineno) {
 592         /* Read line and pass comments through. */
 593         size_t len = strlen(line);
 594         if (line[0] == '#') {
 595             fputs(line, stdout);
 596             continue;
 597         }
 598         /* Strip EOL character(s) and pass blank lines through. */
 599         while (len > 0 && (line[len-1] == '\n' || line[len-1] == '\r'))
 600             line[--len] = '\0';
 601         if (len == 0) {
 602             fputc('\n', stdout);
 603             continue;
 604         }
 605         /* Skip but report invalid lines. */
 606         if (line[1] != ':') {
 607             fprintf(stdout, "# %s\n", line);
 608             fprintf(stderr, "Invalid input line %d.\n", lineno);
 609             continue;
 610         }
 611         /* Copy the original line into a reusable variable. */
 612         strcpy(orig_line, line);
 613         /* Split line into fields. */
 614         nfields = split_line(line + 2, fields);
 615
 616         /* Process the input line. */
 617         switch (line[0]) {
 618         case 'A': case 'a': simple_line("Admin", admin_names, NULL); break;
 619         case 'C': case 'c': do_connect(); break;
 620         case 'D':           simple_line("CRule", crule_names, "all = yes;"); break;
 621                   case 'd': simple_line("CRule", crule_names, NULL); break;
 622         case 'F': case 'f': do_feature(); break;
 623         case 'H': case 'h': do_hub(); break;
 624         case 'I': case 'i': do_client(); break;
 625         case 'K': case 'k': do_kill(); break;
 626         case 'L': case 'l': do_leaf(); break;
 627         case 'M': case 'm': simple_line("General", general_names, NULL); break;
 628         case 'O':           do_operator(0); break;
 629                   case 'o': do_operator(1); break;
 630         case 'P': case 'p': do_port(); break;
 631         case 'Q': case 'q': do_quarantine(); break;
 632         case 'T': case 't': simple_line("Motd", motd_names, NULL); break;
 633         case 'U': case 'u': do_uworld(); break;
 634         case 'Y': case 'y': simple_line("Class", class_names, NULL); break;
 635         default:
 636             fprintf(stderr, "Unknown line %u with leading character '%c'.\n", lineno, line[0]);
 637             break;
 638         }
 639     }
 640
 641     fclose(ifile);
 642
 643     fputs("\n# The following lines were intentionally moved and rearranged."
 644           "\n# Our apologies for any inconvenience this may cause."
 645           "\n\n", stdout);
 646     finish_connects();
 647     finish_quarantines();
 648     finish_features();
 649     finish_operators();
 650
 651     return 0;
 652 }