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.
22 #include "ircd_features.h"
23 #include "channel.h" /* list_set_default */
28 #include "ircd_alloc.h"
30 #include "ircd_reply.h"
31 #include "ircd_string.h"
37 #include "random.h" /* random_seed_set */
44 #include "sys.h" /* FALSE bleah */
50 /* List of log output types that can be set */
51 static struct LogTypes {
53 int (*set)(const char *, const char *);
54 char *(*get)(const char *);
56 { "FILE", log_set_file, log_get_file },
57 { "FACILITY", log_set_facility, log_get_facility },
58 { "SNOMASK", log_set_snomask, log_get_snomask },
59 { "LEVEL", log_set_level, log_get_level },
63 /* Look up a struct LogType given the type string */
64 static struct LogTypes *
65 feature_log_desc(struct Client* from, const char *type)
71 for (i = 0; logTypes[i].type; i++) /* find appropriate descriptor */
72 if (!ircd_strcmp(type, logTypes[i].type))
75 Debug((DEBUG_ERROR, "Unknown log feature type \"%s\"", type));
76 if (from) /* send an error; if from is NULL, called from conf parser */
77 send_reply(from, ERR_BADLOGTYPE, type);
79 log_write(LS_CONFIG, L_ERROR, 0, "Unknown log feature type \"%s\"", type);
81 return 0; /* not found */
84 /* Set the value of a log output type for a log subsystem */
86 feature_log_set(struct Client* from, const char* const* fields, int count)
88 struct LogTypes *desc;
91 if (count < 2) { /* set default facility */
92 if (log_set_default(count < 1 ? 0 : fields[0])) {
93 assert(count >= 1); /* should always accept default */
95 if (from) /* send an error */
96 send_reply(from, ERR_BADLOGVALUE, fields[0]);
98 log_write(LS_CONFIG, L_ERROR, 0,
99 "Bad value \"%s\" for default facility", fields[0]);
101 return count < 1 ? -1 : 1; /* tell feature to set or clear mark */
102 } else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
103 if (from) /* send an error */
104 send_reply(from, ERR_BADLOGSYS, fields[0]);
106 log_write(LS_CONFIG, L_ERROR, 0,
107 "No such logging subsystem \"%s\"", fields[0]);
108 } else if ((desc = feature_log_desc(from, fields[1]))) { /* set value */
109 if ((*desc->set)(fields[0], count < 3 ? 0 : fields[2])) {
110 assert(count >= 3); /* should always accept default */
112 if (from) /* send an error */
113 send_reply(from, ERR_BADLOGVALUE, fields[2]);
115 log_write(LS_CONFIG, L_ERROR, 0,
116 "Bad value \"%s\" for log type %s (subsystem %s)",
117 fields[2], desc->type, subsys);
124 /* reset a log type for a subsystem to its default value */
126 feature_log_reset(struct Client* from, const char* const* fields, int count)
128 struct LogTypes *desc;
131 assert(0 != from); /* Never called by the .conf parser */
133 if (count < 1) { /* reset default facility */
135 return -1; /* unmark this entry */
136 } else if (count < 2)
137 need_more_params(from, "RESET");
138 else if (!(subsys = log_canon(fields[0]))) /* no such subsystem */
139 send_reply(from, ERR_BADLOGSYS, fields[0]);
140 else if ((desc = feature_log_desc(from, fields[1]))) /* reset value */
141 (*desc->set)(fields[0], 0); /* default should always be accepted */
146 /* report the value of a log setting */
148 feature_log_get(struct Client* from, const char* const* fields, int count)
150 struct LogTypes *desc;
151 char *value, *subsys;
153 assert(0 != from); /* never called by .conf parser */
155 if (count < 1) /* return default facility */
156 send_reply(from, SND_EXPLICIT | RPL_FEATURE, ":Log facility: %s",
159 need_more_params(from, "GET");
160 else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
161 send_reply(from, ERR_BADLOGSYS, fields[0]);
162 } else if ((desc = feature_log_desc(from, fields[1]))) {
163 if ((value = (*desc->get)(fields[0]))) /* send along value */
164 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
165 ":Log %s for subsystem %s: %s", desc->type, subsys,
166 (*desc->get)(subsys));
168 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
169 ":No log %s is set for subsystem %s", desc->type, subsys);
173 /* sets a feature to the given value */
174 typedef int (*feat_set_call)(struct Client*, const char* const*, int);
175 /* gets the value of a feature */
176 typedef void (*feat_get_call)(struct Client*, const char* const*, int);
177 /* callback to notify of a feature's change */
178 typedef void (*feat_notify_call)(void);
179 /* unmarks all sub-feature values prior to reading .conf */
180 typedef void (*feat_unmark_call)(void);
181 /* resets to defaults all currently unmarked values */
182 typedef int (*feat_mark_call)(int);
183 /* reports features as a /stats f list */
184 typedef void (*feat_report_call)(struct Client*, int);
186 #define FEAT_NONE 0x0000 /* no value */
187 #define FEAT_INT 0x0001 /* set if entry contains an integer value */
188 #define FEAT_BOOL 0x0002 /* set if entry contains a boolean value */
189 #define FEAT_STR 0x0003 /* set if entry contains a string value */
190 #define FEAT_MASK 0x000f /* possible value types */
192 #define FEAT_MARK 0x0010 /* set if entry has been changed */
193 #define FEAT_NULL 0x0020 /* NULL string is permitted */
194 #define FEAT_CASE 0x0040 /* string is case-sensitive */
196 #define FEAT_OPER 0x0100 /* set to display only to opers */
197 #define FEAT_MYOPER 0x0200 /* set to display only to local opers */
198 #define FEAT_NODISP 0x0400 /* feature must never be displayed */
200 #define FEAT_READ 0x1000 /* feature is read-only (for now, perhaps?) */
202 static struct FeatureDesc {
203 enum Feature feat; /* feature identifier */
204 char* type; /* string describing type */
205 unsigned int flags; /* flags for feature */
206 int v_int; /* integer value */
207 int def_int; /* default value */
208 char* v_str; /* string value */
209 char* def_str; /* default value */
210 feat_set_call set; /* set feature values */
211 feat_set_call reset; /* reset feature values to defaults */
212 feat_get_call get; /* get feature values */
213 feat_notify_call notify; /* notify of value change */
214 feat_unmark_call unmark; /* unmark all feature change values */
215 feat_mark_call mark; /* reset to defaults all unchanged features */
216 feat_report_call report; /* report feature values */
218 #define F_N(type, flags, set, reset, get, notify, unmark, mark, report) \
219 { FEAT_ ## type, #type, FEAT_NONE | (flags), 0, 0, 0, 0, \
220 (set), (reset), (get), (notify), (unmark), (mark), (report) }
221 #define F_I(type, flags, v_int, notify) \
222 { FEAT_ ## type, #type, FEAT_INT | (flags), 0, (v_int), 0, 0, \
223 0, 0, 0, (notify), 0, 0, 0 }
224 #define F_B(type, flags, v_int, notify) \
225 { FEAT_ ## type, #type, FEAT_BOOL | (flags), 0, (v_int), 0, 0, \
226 0, 0, 0, (notify), 0, 0, 0 }
227 #define F_S(type, flags, v_str, notify) \
228 { FEAT_ ## type, #type, FEAT_STR | (flags), 0, 0, 0, (v_str), \
229 0, 0, 0, (notify), 0, 0, 0 }
232 F_N(LOG, FEAT_MYOPER, feature_log_set, feature_log_reset, feature_log_get,
233 0, log_feature_unmark, log_feature_mark, log_feature_report),
234 F_S(DOMAINNAME, 0, DOMAINNAME, 0),
235 F_B(RELIABLE_CLOCK, 0, 0, 0),
236 F_I(BUFFERPOOL, 0, 27000000, 0),
237 F_B(HAS_FERGUSON_FLUSHER, 0, 0, 0),
238 F_I(CLIENT_FLOOD, 0, 1024, 0),
239 F_I(SERVER_PORT, FEAT_OPER, 4400, 0),
240 F_B(NODEFAULTMOTD, 0, 1, 0),
241 F_B(KILL_IPMISMATCH, FEAT_OPER, 0, 0),
242 F_B(IDLE_FROM_MSG, 0, 1, 0),
244 F_B(WALLOPS_OPER_ONLY, 0, 0, 0),
246 F_N(RANDOM_SEED, FEAT_NODISP, random_seed_set, 0, 0, 0, 0, 0, 0),
247 F_S(DEFAULT_LIST_PARAM, FEAT_NULL, 0, list_set_default),
249 /* features that probably should not be touched */
250 F_I(KILLCHASETIMELIMIT, 0, 30, 0),
251 F_I(MAXCHANNELSPERUSER, 0, 10, 0),
252 F_I(AVBANLEN, 0, 40, 0),
253 F_I(MAXBANS, 0, 30, 0),
254 F_I(MAXSILES, 0, 15, 0),
255 F_I(HANGONGOODLINK, 0, 300, 0),
256 F_I(HANGONRETRYDELAY, 0, 10, 0),
257 F_I(CONNECTTIMEOUT, 0, 90, 0),
258 F_I(TIMESEC, 0, 60, 0),
259 F_I(MAXIMUM_LINKS, 0, 1, init_class), /* reinit class 0 as needed */
260 F_I(PINGFREQUENCY, 0, 120, init_class),
261 F_I(CONNECTFREQUENCY, 0, 600, init_class),
262 F_I(DEFAULTMAXSENDQLENGTH, 0, 40000, init_class),
264 /* Some misc. default paths */
265 F_S(MPATH, FEAT_CASE | FEAT_MYOPER, "ircd.motd", motd_init),
266 F_S(RPATH, FEAT_CASE | FEAT_MYOPER, "remote.motd", motd_init),
267 F_S(PPATH, FEAT_CASE | FEAT_MYOPER | FEAT_READ, "ircd.pid", 0),
269 /* Networking features */
270 F_B(VIRTUAL_HOST, 0, 0, 0),
271 F_I(TOS_SERVER, 0, 0x08, 0),
272 F_I(TOS_CLIENT, 0, 0x08, 0),
274 /* features that affect all operators */
275 F_B(CRYPT_OPER_PASSWORD, FEAT_MYOPER | FEAT_READ, 1, 0),
276 F_B(OPER_NO_CHAN_LIMIT, 0, 1, 0),
277 F_B(OPER_MODE_LCHAN, 0, 1, 0),
278 F_B(OPER_WALK_THROUGH_LMODES, 0, 0, 0),
279 F_B(NO_OPER_DEOP_LCHAN, 0, 0, 0),
280 F_B(SHOW_INVISIBLE_USERS, 0, 1, 0),
281 F_B(SHOW_ALL_INVISIBLE_USERS, 0, 1, 0),
282 F_B(UNLIMIT_OPER_QUERY, 0, 0, 0),
283 F_B(LOCAL_KILL_ONLY, 0, 0, 0),
284 F_B(CONFIG_OPERCMDS, 0, 1, 0), /* XXX change default before release */
286 /* features that affect global opers on this server */
287 F_B(OPER_KILL, 0, 1, 0),
288 F_B(OPER_REHASH, 0, 1, 0),
289 F_B(OPER_RESTART, 0, 1, 0),
290 F_B(OPER_DIE, 0, 1, 0),
291 F_B(OPER_GLINE, 0, 1, 0),
292 F_B(OPER_LGLINE, 0, 1, 0),
293 F_B(OPER_JUPE, 0, 1, 0),
294 F_B(OPER_LJUPE, 0, 1, 0),
295 F_B(OPER_OPMODE, 0, 1, 0),
296 F_B(OPER_LOPMODE, 0, 1, 0),
297 F_B(OPER_BADCHAN, 0, 0, 0),
298 F_B(OPER_LBADCHAN, 0, 0, 0),
299 F_B(OPER_SET, 0, 1, 0),
300 F_B(OPERS_SEE_IN_SECRET_CHANNELS, 0, 1, 0),
302 /* features that affect local opers on this server */
303 F_B(LOCOP_KILL, 0, 0, 0),
304 F_B(LOCOP_REHASH, 0, 1, 0),
305 F_B(LOCOP_RESTART, 0, 0, 0),
306 F_B(LOCOP_DIE, 0, 0, 0),
307 F_B(LOCOP_LGLINE, 0, 1, 0),
308 F_B(LOCOP_LJUPE, 0, 1, 0),
309 F_B(LOCOP_LOPMODE, 0, 1, 0),
310 F_B(LOCOP_LBADCHAN, 0, 0, 0),
311 F_B(LOCOP_SET, 0, 0, 0),
312 F_B(LOCOP_SEE_IN_SECRET_CHANNELS, 0, 0, 0),
318 { FEAT_LAST_F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
321 /* Given a feature's identifier, look up the feature descriptor */
322 static struct FeatureDesc *
323 feature_desc(struct Client* from, const char *feature)
327 assert(0 != feature);
329 for (i = 0; features[i].type; i++) /* find appropriate descriptor */
330 if (!ircd_strcmp(feature, features[i].type))
333 Debug((DEBUG_ERROR, "Unknown feature \"%s\"", feature));
334 if (from) /* report an error */
335 send_reply(from, ERR_NOFEATURE, feature);
337 log_write(LS_CONFIG, L_ERROR, 0, "Unknown feature \"%s\"", feature);
339 return 0; /* not found */
342 /* Given a feature vector string, set the value of a feature */
344 feature_set(struct Client* from, const char* const* fields, int count)
346 int i, change = 0, tmp;
348 struct FeatureDesc *feat;
350 if (from && !HasPriv(from, PRIV_SET))
351 return send_reply(from, ERR_NOPRIVILEGES);
354 if (from) /* report an error in the number of arguments */
355 need_more_params(from, "SET");
357 log_write(LS_CONFIG, L_ERROR, 0, "Not enough fields in F line");
358 } else if ((feat = feature_desc(from, fields[0]))) { /* find feature */
359 if (from && feat->flags & FEAT_READ)
360 return send_reply(from, ERR_NOFEATURE, fields[0]);
362 switch (feat->flags & FEAT_MASK) {
364 if (feat->set && (i = (*feat->set)(from, fields + 1, count - 1))) {
365 change++; /* feature handler wants a change recorded */
367 if (i > 0) /* call the set callback and do marking */
368 feat->flags |= FEAT_MARK;
370 feat->flags &= ~FEAT_MARK;
374 case FEAT_INT: /* an integer value */
375 tmp = feat->v_int; /* detect changes... */
377 if (count < 2) { /* reset value */
378 feat->v_int = feat->def_int;
379 feat->flags &= ~FEAT_MARK;
380 } else { /* ok, figure out the value and whether to mark it */
381 feat->v_int = strtoul(fields[1], 0, 0);
382 if (feat->v_int == feat->def_int)
383 feat->flags &= ~FEAT_MARK;
385 feat->flags |= FEAT_MARK;
388 if (feat->v_int != tmp) /* check for change */
392 case FEAT_BOOL: /* it's a boolean value--true or false */
393 tmp = feat->v_int; /* detect changes... */
395 if (count < 2) { /* reset value */
396 feat->v_int = feat->def_int;
397 feat->flags &= ~FEAT_MARK;
398 } else { /* figure out the value and whether to mark it */
399 if (!ircd_strncmp(fields[1], "TRUE", strlen(fields[1])) ||
400 !ircd_strncmp(fields[1], "YES", strlen(fields[1])) ||
401 (strlen(fields[1]) >= 2 &&
402 !ircd_strncmp(fields[1], "ON", strlen(fields[1]))))
404 else if (!ircd_strncmp(fields[1], "FALSE", strlen(fields[1])) ||
405 !ircd_strncmp(fields[1], "NO", strlen(fields[1])) ||
406 (strlen(fields[1]) >= 2 &&
407 !ircd_strncmp(fields[1], "OFF", strlen(fields[1]))))
409 else if (from) /* report an error... */
410 return send_reply(from, ERR_BADFEATVALUE, fields[1], feat->type);
412 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"%s\" for feature %s",
413 fields[1], feat->type);
417 if (feat->v_int == feat->def_int) /* figure out whether to mark it */
418 feat->flags &= ~FEAT_MARK;
420 feat->flags |= FEAT_MARK;
423 if (feat->v_int != tmp) /* check for change */
427 case FEAT_STR: /* it's a string value */
429 t_str = feat->def_str; /* changing to default */
431 t_str = *fields[1] ? fields[1] : 0;
433 if (!t_str && !(feat->flags & FEAT_NULL)) { /* NULL value permitted? */
435 return send_reply(from, ERR_BADFEATVALUE, "NULL", feat->type);
437 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"NULL\" for feature %s",
443 if (t_str == feat->def_str ||
444 (t_str && feat->def_str &&
445 !(feat->flags & FEAT_CASE ? strcmp(t_str, feat->def_str) :
446 ircd_strcmp(t_str, feat->def_str)))) { /* resetting to default */
447 if (feat->v_str != feat->def_str) {
448 change++; /* change from previous value */
451 MyFree(feat->v_str); /* free old value */
454 feat->v_str = feat->def_str; /* very special... */
456 feat->flags &= ~FEAT_MARK;
459 change++; /* change from previous value */
461 if (feat->v_str != feat->def_str)
462 MyFree(feat->v_str); /* free old value */
465 feat->v_str = 0; /* set it to NULL */
467 feat->flags |= FEAT_MARK;
468 } else if (!feat->v_str ||
469 (feat->flags & FEAT_CASE ? strcmp(t_str, feat->v_str) :
470 ircd_strcmp(t_str, feat->v_str))) { /* new value */
471 change++; /* change from previous value */
473 if (feat->v_str && feat->v_str != feat->def_str)
474 MyFree(feat->v_str); /* free old value */
475 DupString(feat->v_str, t_str); /* store new value */
477 feat->flags |= FEAT_MARK;
478 } else /* they match, but don't match the default */
479 feat->flags |= FEAT_MARK;
483 if (change && feat->notify) /* call change notify function */
490 /* reset a feature to its default values */
492 feature_reset(struct Client* from, const char* const* fields, int count)
495 struct FeatureDesc *feat;
499 if (!HasPriv(from, PRIV_SET))
500 return send_reply(from, ERR_NOPRIVILEGES);
502 if (count < 1) /* check arguments */
503 need_more_params(from, "RESET");
504 else if ((feat = feature_desc(from, fields[0]))) { /* get descriptor */
505 if (from && feat->flags & FEAT_READ)
506 return send_reply(from, ERR_NOFEATURE, fields[0]);
508 switch (feat->flags & FEAT_MASK) {
509 case FEAT_NONE: /* None... */
510 if (feat->reset && (i = (*feat->reset)(from, fields + 1, count - 1))) {
511 change++; /* feature handler wants a change recorded */
513 if (i > 0) /* call reset callback and parse mark return */
514 feat->flags |= FEAT_MARK;
516 feat->flags &= ~FEAT_MARK;
520 case FEAT_INT: /* Integer... */
521 case FEAT_BOOL: /* Boolean... */
522 if (feat->v_int != feat->def_int)
523 change++; /* change will be made */
525 feat->v_int = feat->def_int; /* set the default */
526 feat->flags &= ~FEAT_MARK; /* unmark it */
529 case FEAT_STR: /* string! */
530 if (feat->v_str != feat->def_str) {
531 change++; /* change has been made */
533 MyFree(feat->v_str); /* free old value */
536 feat->v_str = feat->def_str; /* set it to default */
537 feat->flags &= ~FEAT_MARK; /* unmark it */
541 if (change && feat->notify) /* call change notify function */
548 /* Gets the value of a specific feature and reports it to the user */
550 feature_get(struct Client* from, const char* const* fields, int count)
552 struct FeatureDesc *feat;
556 if (count < 1) /* check parameters */
557 need_more_params(from, "GET");
558 else if ((feat = feature_desc(from, fields[0]))) {
559 if ((feat->flags & FEAT_NODISP) ||
560 (feat->flags & FEAT_MYOPER && !MyOper(from)) ||
561 (feat->flags & FEAT_OPER && !IsAnOper(from))) /* check privs */
562 return send_reply(from, ERR_NOPRIVILEGES);
564 switch (feat->flags & FEAT_MASK) {
565 case FEAT_NONE: /* none, call the callback... */
566 if (feat->get) /* if there's a callback, use it */
567 (*feat->get)(from, fields + 1, count - 1);
570 case FEAT_INT: /* integer, report integer value */
571 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
572 ":Integer value of %s: %d", feat->type, feat->v_int);
575 case FEAT_BOOL: /* boolean, report boolean value */
576 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
577 ":Boolean value of %s: %s", feat->type,
578 feat->v_int ? "TRUE" : "FALSE");
581 case FEAT_STR: /* string, report string value */
582 if (feat->v_str) /* deal with null case */
583 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
584 ":String value of %s: %s", feat->type, feat->v_str);
586 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
587 ":String value for %s not set", feat->type);
595 /* called before reading the .conf to clear all marks */
601 for (i = 0; features[i].type; i++) {
602 features[i].flags &= ~FEAT_MARK; /* clear the marks... */
603 if (features[i].unmark) /* call the unmark callback if necessary */
604 (*features[i].unmark)();
608 /* Called after reading the .conf to reset unmodified values to defaults */
614 for (i = 0; features[i].type; i++) {
617 switch (features[i].flags & FEAT_MASK) {
619 if (features[i].mark &&
620 (*features[i].mark)(features[i].flags & FEAT_MARK ? 1 : 0))
621 change++; /* feature handler wants a change recorded */
624 case FEAT_INT: /* Integers or Booleans... */
626 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
627 if (features[i].v_int != features[i].def_int)
628 change++; /* we're making a change */
629 features[i].v_int = features[i].def_int;
633 case FEAT_STR: /* strings... */
634 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
635 if (features[i].v_str != features[i].def_str) {
636 change++; /* we're making a change */
637 if (features[i].v_str)
638 MyFree(features[i].v_str); /* free old value */
640 features[i].v_str = features[i].def_str;
645 if (change && features[i].notify)
646 (*features[i].notify)(); /* call change notify function */
650 /* used to initialize the features subsystem */
656 for (i = 0; features[i].type; i++) {
657 switch (features[i].flags & FEAT_MASK) {
658 case FEAT_NONE: /* you're on your own */
661 case FEAT_INT: /* Integers or Booleans... */
663 features[i].v_int = features[i].def_int;
666 case FEAT_STR: /* Strings */
667 features[i].v_str = features[i].def_str;
668 assert(features[i].def_str || (features[i].flags & FEAT_NULL));
674 /* report all F-lines */
676 feature_report(struct Client* to)
680 for (i = 0; features[i].type; i++) {
681 if ((features[i].flags & FEAT_NODISP) ||
682 (features[i].flags & FEAT_MYOPER && !MyOper(to)) ||
683 (features[i].flags & FEAT_OPER && !IsAnOper(to)))
684 continue; /* skip this one */
686 switch (features[i].flags & FEAT_MASK) {
688 if (features[i].report) /* let the callback handle this */
689 (*features[i].report)(to, features[i].flags & FEAT_MARK ? 1 : 0);
693 case FEAT_INT: /* Report an F-line with integer values */
694 if (features[i].flags & FEAT_MARK) /* it's been changed */
695 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %d",
696 features[i].type, features[i].v_int);
699 case FEAT_BOOL: /* Report an F-line with boolean values */
700 if (features[i].flags & FEAT_MARK) /* it's been changed */
701 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
702 features[i].type, features[i].v_int ? "TRUE" : "FALSE");
705 case FEAT_STR: /* Report an F-line with string values */
706 if (features[i].flags & FEAT_MARK) { /* it's been changed */
707 if (features[i].v_str)
708 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
709 features[i].type, features[i].v_str);
710 else /* Actually, F:<type> would reset it; you want F:<type>: */
711 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s",
719 /* return a feature's integer value */
721 feature_int(enum Feature feat)
723 assert(features[feat].feat == feat);
724 assert((features[feat].flags & FEAT_MASK) == FEAT_INT);
726 return features[feat].v_int;
729 /* return a feature's boolean value */
731 feature_bool(enum Feature feat)
733 assert(features[feat].feat == feat);
734 assert((features[feat].flags & FEAT_MASK) == FEAT_BOOL);
736 return features[feat].v_int;
739 /* return a feature's string value */
741 feature_str(enum Feature feat)
743 assert(features[feat].feat == feat);
744 assert((features[feat].flags & FEAT_MASK) == FEAT_STR);
746 return features[feat].v_str;