2 * IRC - Internet Relay Chat, ircd/features.c
3 * Copyright (C) 2000 Kevin L. Mitchell <klmitch@mit.edu>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 1, or (at your option)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "ircd_features.h"
24 #include "channel.h" /* list_set_default */
29 #include "ircd_alloc.h"
31 #include "ircd_reply.h"
32 #include "ircd_string.h"
38 #include "random.h" /* random_seed_set */
44 #include "sys.h" /* FALSE bleah */
45 #include "whowas.h" /* whowas_realloc */
51 /* List of log output types that can be set */
52 static struct LogTypes {
54 int (*set)(const char *, const char *);
55 char *(*get)(const char *);
57 { "FILE", log_set_file, log_get_file },
58 { "FACILITY", log_set_facility, log_get_facility },
59 { "SNOMASK", log_set_snomask, log_get_snomask },
60 { "LEVEL", log_set_level, log_get_level },
64 /* Look up a struct LogType given the type string */
65 static struct LogTypes *
66 feature_log_desc(struct Client* from, const char *type)
72 for (i = 0; logTypes[i].type; i++) /* find appropriate descriptor */
73 if (!ircd_strcmp(type, logTypes[i].type))
76 Debug((DEBUG_ERROR, "Unknown log feature type \"%s\"", type));
77 if (from) /* send an error; if from is NULL, called from conf parser */
78 send_reply(from, ERR_BADLOGTYPE, type);
80 log_write(LS_CONFIG, L_ERROR, 0, "Unknown log feature type \"%s\"", type);
82 return 0; /* not found */
85 /* Set the value of a log output type for a log subsystem */
87 feature_log_set(struct Client* from, const char* const* fields, int count)
89 struct LogTypes *desc;
92 if (count < 2) { /* set default facility */
93 if (log_set_default(count < 1 ? 0 : fields[0])) {
94 assert(count >= 1); /* should always accept default */
96 if (from) /* send an error */
97 send_reply(from, ERR_BADLOGVALUE, fields[0]);
99 log_write(LS_CONFIG, L_ERROR, 0,
100 "Bad value \"%s\" for default facility", fields[0]);
102 return count < 1 ? -1 : 1; /* tell feature to set or clear mark */
103 } else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
104 if (from) /* send an error */
105 send_reply(from, ERR_BADLOGSYS, fields[0]);
107 log_write(LS_CONFIG, L_ERROR, 0,
108 "No such logging subsystem \"%s\"", fields[0]);
109 } else if ((desc = feature_log_desc(from, fields[1]))) { /* set value */
110 if ((*desc->set)(fields[0], count < 3 ? 0 : fields[2])) {
111 assert(count >= 3); /* should always accept default */
113 if (from) /* send an error */
114 send_reply(from, ERR_BADLOGVALUE, fields[2]);
116 log_write(LS_CONFIG, L_ERROR, 0,
117 "Bad value \"%s\" for log type %s (subsystem %s)",
118 fields[2], desc->type, subsys);
125 /* reset a log type for a subsystem to its default value */
127 feature_log_reset(struct Client* from, const char* const* fields, int count)
129 struct LogTypes *desc;
132 assert(0 != from); /* Never called by the .conf parser */
134 if (count < 1) { /* reset default facility */
136 return -1; /* unmark this entry */
137 } else if (count < 2)
138 need_more_params(from, "RESET");
139 else if (!(subsys = log_canon(fields[0]))) /* no such subsystem */
140 send_reply(from, ERR_BADLOGSYS, fields[0]);
141 else if ((desc = feature_log_desc(from, fields[1]))) /* reset value */
142 (*desc->set)(fields[0], 0); /* default should always be accepted */
147 /* report the value of a log setting */
149 feature_log_get(struct Client* from, const char* const* fields, int count)
151 struct LogTypes *desc;
152 char *value, *subsys;
154 assert(0 != from); /* never called by .conf parser */
156 if (count < 1) /* return default facility */
157 send_reply(from, SND_EXPLICIT | RPL_FEATURE, ":Log facility: %s",
160 need_more_params(from, "GET");
161 else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
162 send_reply(from, ERR_BADLOGSYS, fields[0]);
163 } else if ((desc = feature_log_desc(from, fields[1]))) {
164 if ((value = (*desc->get)(fields[0]))) /* send along value */
165 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
166 ":Log %s for subsystem %s: %s", desc->type, subsys,
167 (*desc->get)(subsys));
169 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
170 ":No log %s is set for subsystem %s", desc->type, subsys);
174 /* sets a feature to the given value */
175 typedef int (*feat_set_call)(struct Client*, const char* const*, int);
176 /* gets the value of a feature */
177 typedef void (*feat_get_call)(struct Client*, const char* const*, int);
178 /* callback to notify of a feature's change */
179 typedef void (*feat_notify_call)(void);
180 /* unmarks all sub-feature values prior to reading .conf */
181 typedef void (*feat_unmark_call)(void);
182 /* resets to defaults all currently unmarked values */
183 typedef int (*feat_mark_call)(int);
184 /* reports features as a /stats f list */
185 typedef void (*feat_report_call)(struct Client*, int);
187 #define FEAT_NONE 0x0000 /* no value */
188 #define FEAT_INT 0x0001 /* set if entry contains an integer value */
189 #define FEAT_BOOL 0x0002 /* set if entry contains a boolean value */
190 #define FEAT_STR 0x0003 /* set if entry contains a string value */
191 #define FEAT_MASK 0x000f /* possible value types */
193 #define FEAT_MARK 0x0010 /* set if entry has been changed */
194 #define FEAT_NULL 0x0020 /* NULL string is permitted */
195 #define FEAT_CASE 0x0040 /* string is case-sensitive */
197 #define FEAT_OPER 0x0100 /* set to display only to opers */
198 #define FEAT_MYOPER 0x0200 /* set to display only to local opers */
199 #define FEAT_NODISP 0x0400 /* feature must never be displayed */
201 #define FEAT_READ 0x1000 /* feature is read-only (for now, perhaps?) */
203 static struct FeatureDesc {
204 enum Feature feat; /* feature identifier */
205 char* type; /* string describing type */
206 unsigned int flags; /* flags for feature */
207 int v_int; /* integer value */
208 int def_int; /* default value */
209 char* v_str; /* string value */
210 char* def_str; /* default value */
211 feat_set_call set; /* set feature values */
212 feat_set_call reset; /* reset feature values to defaults */
213 feat_get_call get; /* get feature values */
214 feat_notify_call notify; /* notify of value change */
215 feat_unmark_call unmark; /* unmark all feature change values */
216 feat_mark_call mark; /* reset to defaults all unchanged features */
217 feat_report_call report; /* report feature values */
219 #define F_N(type, flags, set, reset, get, notify, unmark, mark, report) \
220 { FEAT_ ## type, #type, FEAT_NONE | (flags), 0, 0, 0, 0, \
221 (set), (reset), (get), (notify), (unmark), (mark), (report) }
222 #define F_I(type, flags, v_int, notify) \
223 { FEAT_ ## type, #type, FEAT_INT | (flags), 0, (v_int), 0, 0, \
224 0, 0, 0, (notify), 0, 0, 0 }
225 #define F_B(type, flags, v_int, notify) \
226 { FEAT_ ## type, #type, FEAT_BOOL | (flags), 0, (v_int), 0, 0, \
227 0, 0, 0, (notify), 0, 0, 0 }
228 #define F_S(type, flags, v_str, notify) \
229 { FEAT_ ## type, #type, FEAT_STR | (flags), 0, 0, 0, (v_str), \
230 0, 0, 0, (notify), 0, 0, 0 }
233 F_N(LOG, FEAT_MYOPER, feature_log_set, feature_log_reset, feature_log_get,
234 0, log_feature_unmark, log_feature_mark, log_feature_report),
235 F_S(DOMAINNAME, 0, DOMAINNAME, 0),
236 F_B(RELIABLE_CLOCK, 0, 0, 0),
237 F_I(BUFFERPOOL, 0, 27000000, 0),
238 F_B(HAS_FERGUSON_FLUSHER, 0, 0, 0),
239 F_I(CLIENT_FLOOD, 0, 1024, 0),
240 F_I(SERVER_PORT, FEAT_OPER, 4400, 0),
241 F_B(NODEFAULTMOTD, 0, 1, 0),
242 F_S(MOTD_BANNER, FEAT_NULL, 0, 0),
243 F_S(PROVIDER, FEAT_NULL, 0, 0),
244 F_B(KILL_IPMISMATCH, FEAT_OPER, 0, 0),
245 F_B(IDLE_FROM_MSG, 0, 1, 0),
247 F_B(WALLOPS_OPER_ONLY, 0, 0, 0),
249 F_N(RANDOM_SEED, FEAT_NODISP, random_seed_set, 0, 0, 0, 0, 0, 0),
250 F_S(DEFAULT_LIST_PARAM, FEAT_NULL, 0, list_set_default),
251 F_I(NICKNAMEHISTORYLENGTH, 0, 800, whowas_realloc),
252 F_B(HOST_HIDING, 0, 1, 0),
253 F_S(HIDDEN_HOST, FEAT_CASE, "users.undernet.org", 0),
254 F_S(HIDDEN_IP, 0, "127.0.0.1", 0),
255 F_B(CONNEXIT_NOTICES, 0, 0, 0),
256 F_B(OPLEVELS, 0, 1, 0),
257 F_B(LOCAL_CHANNELS, 0, 1, 0),
258 F_B(TOPIC_BURST, 0, 0, 0),
260 /* features that probably should not be touched */
261 F_I(KILLCHASETIMELIMIT, 0, 30, 0),
262 F_I(MAXCHANNELSPERUSER, 0, 10, 0),
263 F_I(NICKLEN, 0, 12, 0),
264 F_I(AVBANLEN, 0, 40, 0),
265 F_I(MAXBANS, 0, 45, 0),
266 F_I(MAXSILES, 0, 15, 0),
267 F_I(HANGONGOODLINK, 0, 300, 0),
268 F_I(HANGONRETRYDELAY, 0, 10, 0),
269 F_I(CONNECTTIMEOUT, 0, 90, 0),
270 F_I(MAXIMUM_LINKS, 0, 1, init_class), /* reinit class 0 as needed */
271 F_I(PINGFREQUENCY, 0, 120, init_class),
272 F_I(CONNECTFREQUENCY, 0, 600, init_class),
273 F_I(DEFAULTMAXSENDQLENGTH, 0, 40000, init_class),
274 F_I(GLINEMAXUSERCOUNT, 0, 20, 0),
275 F_I(SOCKSENDBUF, 0, SERVER_TCP_WINDOW, 0),
276 F_I(SOCKRECVBUF, 0, SERVER_TCP_WINDOW, 0),
277 F_I(IPCHECK_CLONE_LIMIT, 0, 4, 0),
278 F_I(IPCHECK_CLONE_PERIOD, 0, 40, 0),
279 F_I(IPCHECK_CLONE_DELAY, 0, 600, 0),
281 /* Some misc. default paths */
282 F_S(MPATH, FEAT_CASE | FEAT_MYOPER, "ircd.motd", motd_init),
283 F_S(RPATH, FEAT_CASE | FEAT_MYOPER, "remote.motd", motd_init),
284 F_S(PPATH, FEAT_CASE | FEAT_MYOPER | FEAT_READ, "ircd.pid", 0),
286 /* Networking features */
287 F_I(TOS_SERVER, 0, 0x08, 0),
288 F_I(TOS_CLIENT, 0, 0x08, 0),
289 F_I(POLLS_PER_LOOP, 0, 200, 0),
290 F_I(IRCD_RES_RETRIES, 0, 2, 0),
291 F_I(IRCD_RES_TIMEOUT, 0, 4, 0),
292 F_I(AUTH_TIMEOUT, 0, 9, 0),
293 F_B(ANNOUNCE_INVITES, 0, 0, 0),
295 /* features that affect all operators */
296 F_B(CONFIG_OPERCMDS, 0, 0, 0),
298 /* HEAD_IN_SAND Features */
299 F_B(HIS_SNOTICES, 0, 1, 0),
300 F_B(HIS_SNOTICES_OPER_ONLY, 0, 1, 0),
301 F_B(HIS_DEBUG_OPER_ONLY, 0, 1, 0),
302 F_B(HIS_WALLOPS, 0, 1, 0),
303 F_B(HIS_MAP, 0, 1, 0),
304 F_B(HIS_LINKS, 0, 1, 0),
305 F_B(HIS_TRACE, 0, 1, 0),
306 F_B(HIS_STATS_l, 0, 1, 0),
307 F_B(HIS_STATS_L, 0, 1, 0),
308 F_B(HIS_STATS_a, 0, 1, 0),
309 F_B(HIS_STATS_c, 0, 1, 0),
310 F_B(HIS_STATS_g, 0, 1, 0),
311 F_B(HIS_STATS_h, 0, 1, 0),
312 F_B(HIS_STATS_k, 0, 1, 0),
313 F_B(HIS_STATS_f, 0, 1, 0),
314 F_B(HIS_STATS_i, 0, 1, 0),
315 F_B(HIS_STATS_j, 0, 1, 0),
316 F_B(HIS_STATS_M, 0, 1, 0),
317 F_B(HIS_STATS_m, 0, 1, 0),
318 F_B(HIS_STATS_o, 0, 1, 0),
319 F_B(HIS_STATS_p, 0, 1, 0),
320 F_B(HIS_STATS_q, 0, 1, 0),
321 F_B(HIS_STATS_R, 0, 1, 0),
322 F_B(HIS_STATS_r, 0, 1, 0),
323 F_B(HIS_STATS_d, 0, 1, 0),
324 F_B(HIS_STATS_e, 0, 1, 0),
325 F_B(HIS_STATS_t, 0, 1, 0),
326 F_B(HIS_STATS_T, 0, 1, 0),
327 F_B(HIS_STATS_u, 0, 0, 0),
328 F_B(HIS_STATS_U, 0, 1, 0),
329 F_B(HIS_STATS_v, 0, 1, 0),
330 F_B(HIS_STATS_w, 0, 0, 0),
331 F_B(HIS_STATS_x, 0, 1, 0),
332 F_B(HIS_STATS_y, 0, 1, 0),
333 F_B(HIS_STATS_z, 0, 1, 0),
334 F_B(HIS_WHOIS_SERVERNAME, 0, 1, 0),
335 F_B(HIS_WHOIS_IDLETIME, 0, 1, 0),
336 F_B(HIS_WHOIS_LOCALCHAN, 0, 1, 0),
337 F_B(HIS_WHO_SERVERNAME, 0, 1, 0),
338 F_B(HIS_WHO_HOPCOUNT, 0, 1, 0),
339 F_B(HIS_BANWHO, 0, 1, 0),
340 F_B(HIS_KILLWHO, 0, 1, 0),
341 F_B(HIS_REWRITE, 0, 1, 0),
342 F_I(HIS_REMOTE, 0, 1, 0),
343 F_B(HIS_NETSPLIT, 0, 1, 0),
344 F_S(HIS_SERVERNAME, 0, "*.undernet.org", 0),
345 F_S(HIS_SERVERINFO, 0, "The Undernet Underworld", 0),
346 F_S(HIS_URLSERVERS, 0, "http://www.undernet.org/servers.php", 0),
348 /* Misc. random stuff */
349 F_S(NETWORK, 0, "UnderNet", 0),
350 F_S(URL_CLIENTS, 0, "ftp://ftp.undernet.org/pub/irc/clients", 0),
356 { FEAT_LAST_F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
359 /* Given a feature's identifier, look up the feature descriptor */
360 static struct FeatureDesc *
361 feature_desc(struct Client* from, const char *feature)
365 assert(0 != feature);
367 for (i = 0; features[i].type; i++) /* find appropriate descriptor */
368 if (!strcmp(feature, features[i].type))
371 Debug((DEBUG_ERROR, "Unknown feature \"%s\"", feature));
372 if (from) /* report an error */
373 send_reply(from, ERR_NOFEATURE, feature);
375 log_write(LS_CONFIG, L_ERROR, 0, "Unknown feature \"%s\"", feature);
377 return 0; /* not found */
380 /* Given a feature vector string, set the value of a feature */
382 feature_set(struct Client* from, const char* const* fields, int count)
384 int i, change = 0, tmp;
386 struct FeatureDesc *feat;
388 if (from && !HasPriv(from, PRIV_SET))
389 return send_reply(from, ERR_NOPRIVILEGES);
392 if (from) /* report an error in the number of arguments */
393 need_more_params(from, "SET");
395 log_write(LS_CONFIG, L_ERROR, 0, "Not enough fields in F line");
396 } else if ((feat = feature_desc(from, fields[0]))) { /* find feature */
397 if (from && feat->flags & FEAT_READ)
398 return send_reply(from, ERR_NOFEATURE, fields[0]);
400 switch (feat->flags & FEAT_MASK) {
402 if (feat->set && (i = (*feat->set)(from, fields + 1, count - 1))) {
403 change++; /* feature handler wants a change recorded */
405 if (i > 0) /* call the set callback and do marking */
406 feat->flags |= FEAT_MARK;
408 feat->flags &= ~FEAT_MARK;
412 case FEAT_INT: /* an integer value */
413 tmp = feat->v_int; /* detect changes... */
415 if (count < 2) { /* reset value */
416 feat->v_int = feat->def_int;
417 feat->flags &= ~FEAT_MARK;
418 } else { /* ok, figure out the value and whether to mark it */
419 feat->v_int = strtoul(fields[1], 0, 0);
420 if (feat->v_int == feat->def_int)
421 feat->flags &= ~FEAT_MARK;
423 feat->flags |= FEAT_MARK;
426 if (feat->v_int != tmp) /* check for change */
430 case FEAT_BOOL: /* it's a boolean value--true or false */
431 tmp = feat->v_int; /* detect changes... */
433 if (count < 2) { /* reset value */
434 feat->v_int = feat->def_int;
435 feat->flags &= ~FEAT_MARK;
436 } else { /* figure out the value and whether to mark it */
437 if (!ircd_strncmp(fields[1], "TRUE", strlen(fields[1])) ||
438 !ircd_strncmp(fields[1], "YES", strlen(fields[1])) ||
439 (strlen(fields[1]) >= 2 &&
440 !ircd_strncmp(fields[1], "ON", strlen(fields[1]))))
442 else if (!ircd_strncmp(fields[1], "FALSE", strlen(fields[1])) ||
443 !ircd_strncmp(fields[1], "NO", strlen(fields[1])) ||
444 (strlen(fields[1]) >= 2 &&
445 !ircd_strncmp(fields[1], "OFF", strlen(fields[1]))))
447 else if (from) /* report an error... */
448 return send_reply(from, ERR_BADFEATVALUE, fields[1], feat->type);
450 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"%s\" for feature %s",
451 fields[1], feat->type);
455 if (feat->v_int == feat->def_int) /* figure out whether to mark it */
456 feat->flags &= ~FEAT_MARK;
458 feat->flags |= FEAT_MARK;
461 if (feat->v_int != tmp) /* check for change */
465 case FEAT_STR: /* it's a string value */
467 t_str = feat->def_str; /* changing to default */
469 t_str = *fields[1] ? fields[1] : 0;
471 if (!t_str && !(feat->flags & FEAT_NULL)) { /* NULL value permitted? */
473 return send_reply(from, ERR_BADFEATVALUE, "NULL", feat->type);
475 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"NULL\" for feature %s",
481 if (t_str == feat->def_str ||
482 (t_str && feat->def_str &&
483 !(feat->flags & FEAT_CASE ? strcmp(t_str, feat->def_str) :
484 ircd_strcmp(t_str, feat->def_str)))) { /* resetting to default */
485 if (feat->v_str != feat->def_str) {
486 change++; /* change from previous value */
489 MyFree(feat->v_str); /* free old value */
492 feat->v_str = feat->def_str; /* very special... */
494 feat->flags &= ~FEAT_MARK;
497 change++; /* change from previous value */
499 if (feat->v_str != feat->def_str)
500 MyFree(feat->v_str); /* free old value */
503 feat->v_str = 0; /* set it to NULL */
505 feat->flags |= FEAT_MARK;
506 } else if (!feat->v_str ||
507 (feat->flags & FEAT_CASE ? strcmp(t_str, feat->v_str) :
508 ircd_strcmp(t_str, feat->v_str))) { /* new value */
509 change++; /* change from previous value */
511 if (feat->v_str && feat->v_str != feat->def_str)
512 MyFree(feat->v_str); /* free old value */
513 DupString(feat->v_str, t_str); /* store new value */
515 feat->flags |= FEAT_MARK;
516 } else /* they match, but don't match the default */
517 feat->flags |= FEAT_MARK;
521 if (change && feat->notify) /* call change notify function */
528 /* reset a feature to its default values */
530 feature_reset(struct Client* from, const char* const* fields, int count)
533 struct FeatureDesc *feat;
537 if (!HasPriv(from, PRIV_SET))
538 return send_reply(from, ERR_NOPRIVILEGES);
540 if (count < 1) /* check arguments */
541 need_more_params(from, "RESET");
542 else if ((feat = feature_desc(from, fields[0]))) { /* get descriptor */
543 if (from && feat->flags & FEAT_READ)
544 return send_reply(from, ERR_NOFEATURE, fields[0]);
546 switch (feat->flags & FEAT_MASK) {
547 case FEAT_NONE: /* None... */
548 if (feat->reset && (i = (*feat->reset)(from, fields + 1, count - 1))) {
549 change++; /* feature handler wants a change recorded */
551 if (i > 0) /* call reset callback and parse mark return */
552 feat->flags |= FEAT_MARK;
554 feat->flags &= ~FEAT_MARK;
558 case FEAT_INT: /* Integer... */
559 case FEAT_BOOL: /* Boolean... */
560 if (feat->v_int != feat->def_int)
561 change++; /* change will be made */
563 feat->v_int = feat->def_int; /* set the default */
564 feat->flags &= ~FEAT_MARK; /* unmark it */
567 case FEAT_STR: /* string! */
568 if (feat->v_str != feat->def_str) {
569 change++; /* change has been made */
571 MyFree(feat->v_str); /* free old value */
574 feat->v_str = feat->def_str; /* set it to default */
575 feat->flags &= ~FEAT_MARK; /* unmark it */
579 if (change && feat->notify) /* call change notify function */
586 /* Gets the value of a specific feature and reports it to the user */
588 feature_get(struct Client* from, const char* const* fields, int count)
590 struct FeatureDesc *feat;
594 if (count < 1) /* check parameters */
595 need_more_params(from, "GET");
596 else if ((feat = feature_desc(from, fields[0]))) {
597 if ((feat->flags & FEAT_NODISP) ||
598 (feat->flags & FEAT_MYOPER && !MyOper(from)) ||
599 (feat->flags & FEAT_OPER && !IsAnOper(from))) /* check privs */
600 return send_reply(from, ERR_NOPRIVILEGES);
602 switch (feat->flags & FEAT_MASK) {
603 case FEAT_NONE: /* none, call the callback... */
604 if (feat->get) /* if there's a callback, use it */
605 (*feat->get)(from, fields + 1, count - 1);
608 case FEAT_INT: /* integer, report integer value */
609 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
610 ":Integer value of %s: %d", feat->type, feat->v_int);
613 case FEAT_BOOL: /* boolean, report boolean value */
614 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
615 ":Boolean value of %s: %s", feat->type,
616 feat->v_int ? "TRUE" : "FALSE");
619 case FEAT_STR: /* string, report string value */
620 if (feat->v_str) /* deal with null case */
621 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
622 ":String value of %s: %s", feat->type, feat->v_str);
624 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
625 ":String value for %s not set", feat->type);
633 /* called before reading the .conf to clear all marks */
639 for (i = 0; features[i].type; i++) {
640 features[i].flags &= ~FEAT_MARK; /* clear the marks... */
641 if (features[i].unmark) /* call the unmark callback if necessary */
642 (*features[i].unmark)();
646 /* Called after reading the .conf to reset unmodified values to defaults */
652 for (i = 0; features[i].type; i++) {
655 switch (features[i].flags & FEAT_MASK) {
657 if (features[i].mark &&
658 (*features[i].mark)(features[i].flags & FEAT_MARK ? 1 : 0))
659 change++; /* feature handler wants a change recorded */
662 case FEAT_INT: /* Integers or Booleans... */
664 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
665 if (features[i].v_int != features[i].def_int)
666 change++; /* we're making a change */
667 features[i].v_int = features[i].def_int;
671 case FEAT_STR: /* strings... */
672 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
673 if (features[i].v_str != features[i].def_str) {
674 change++; /* we're making a change */
675 if (features[i].v_str)
676 MyFree(features[i].v_str); /* free old value */
678 features[i].v_str = features[i].def_str;
683 if (change && features[i].notify)
684 (*features[i].notify)(); /* call change notify function */
688 /* used to initialize the features subsystem */
694 for (i = 0; features[i].type; i++) {
695 switch (features[i].flags & FEAT_MASK) {
696 case FEAT_NONE: /* you're on your own */
699 case FEAT_INT: /* Integers or Booleans... */
701 features[i].v_int = features[i].def_int;
704 case FEAT_STR: /* Strings */
705 features[i].v_str = features[i].def_str;
706 assert(features[i].def_str || (features[i].flags & FEAT_NULL));
712 /* report all F-lines */
714 feature_report(struct Client* to, const struct StatDesc* sd, char* param)
718 for (i = 0; features[i].type; i++) {
719 if ((features[i].flags & FEAT_NODISP) ||
720 (features[i].flags & FEAT_MYOPER && !MyOper(to)) ||
721 (features[i].flags & FEAT_OPER && !IsAnOper(to)))
722 continue; /* skip this one */
724 switch (features[i].flags & FEAT_MASK) {
726 if (features[i].report) /* let the callback handle this */
727 (*features[i].report)(to, features[i].flags & FEAT_MARK ? 1 : 0);
731 case FEAT_INT: /* Report an F-line with integer values */
732 if (features[i].flags & FEAT_MARK) /* it's been changed */
733 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %d",
734 features[i].type, features[i].v_int);
737 case FEAT_BOOL: /* Report an F-line with boolean values */
738 if (features[i].flags & FEAT_MARK) /* it's been changed */
739 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
740 features[i].type, features[i].v_int ? "TRUE" : "FALSE");
743 case FEAT_STR: /* Report an F-line with string values */
744 if (features[i].flags & FEAT_MARK) { /* it's been changed */
745 if (features[i].v_str)
746 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
747 features[i].type, features[i].v_str);
748 else /* Actually, F:<type> would reset it; you want F:<type>: */
749 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s",
757 /* return a feature's integer value */
759 feature_int(enum Feature feat)
761 assert(features[feat].feat == feat);
762 assert((features[feat].flags & FEAT_MASK) == FEAT_INT);
764 return features[feat].v_int;
767 /* return a feature's boolean value */
769 feature_bool(enum Feature feat)
771 assert(feat <= FEAT_LAST_F);
772 if (FEAT_LAST_F < feat)
774 assert(features[feat].feat == feat);
775 assert((features[feat].flags & FEAT_MASK) == FEAT_BOOL);
777 return features[feat].v_int;
780 /* return a feature's string value */
782 feature_str(enum Feature feat)
784 assert(features[feat].feat == feat);
785 assert((features[feat].flags & FEAT_MASK) == FEAT_STR);
787 return features[feat].v_str;