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 */
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_B(KILL_IPMISMATCH, FEAT_OPER, 0, 0),
243 F_B(IDLE_FROM_MSG, 0, 1, 0),
245 F_B(WALLOPS_OPER_ONLY, 0, 0, 0),
247 F_N(RANDOM_SEED, FEAT_NODISP, random_seed_set, 0, 0, 0, 0, 0, 0),
248 F_S(DEFAULT_LIST_PARAM, FEAT_NULL, 0, list_set_default),
249 F_I(NICKNAMEHISTORYLENGTH, 0, 800, whowas_realloc),
251 /* features that probably should not be touched */
252 F_I(KILLCHASETIMELIMIT, 0, 30, 0),
253 F_I(MAXCHANNELSPERUSER, 0, 10, 0),
254 F_I(AVBANLEN, 0, 40, 0),
255 F_I(MAXBANS, 0, 30, 0),
256 F_I(MAXSILES, 0, 15, 0),
257 F_I(HANGONGOODLINK, 0, 300, 0),
258 F_I(HANGONRETRYDELAY, 0, 10, 0),
259 F_I(CONNECTTIMEOUT, 0, 90, 0),
260 F_I(TIMESEC, 0, 60, 0),
261 F_I(MAXIMUM_LINKS, 0, 1, init_class), /* reinit class 0 as needed */
262 F_I(PINGFREQUENCY, 0, 120, init_class),
263 F_I(CONNECTFREQUENCY, 0, 600, init_class),
264 F_I(DEFAULTMAXSENDQLENGTH, 0, 40000, init_class),
266 /* Some misc. default paths */
267 F_S(MPATH, FEAT_CASE | FEAT_MYOPER, "ircd.motd", motd_init),
268 F_S(RPATH, FEAT_CASE | FEAT_MYOPER, "remote.motd", motd_init),
269 F_S(PPATH, FEAT_CASE | FEAT_MYOPER | FEAT_READ, "ircd.pid", 0),
271 /* Networking features */
272 F_B(VIRTUAL_HOST, 0, 0, 0),
273 F_I(TOS_SERVER, 0, 0x08, 0),
274 F_I(TOS_CLIENT, 0, 0x08, 0),
276 /* features that affect all operators */
277 F_B(CRYPT_OPER_PASSWORD, FEAT_MYOPER | FEAT_READ, 1, 0),
278 F_B(OPER_NO_CHAN_LIMIT, 0, 1, 0),
279 F_B(OPER_MODE_LCHAN, 0, 1, 0),
280 F_B(OPER_WALK_THROUGH_LMODES, 0, 0, 0),
281 F_B(NO_OPER_DEOP_LCHAN, 0, 0, 0),
282 F_B(SHOW_INVISIBLE_USERS, 0, 1, 0),
283 F_B(SHOW_ALL_INVISIBLE_USERS, 0, 1, 0),
284 F_B(UNLIMIT_OPER_QUERY, 0, 0, 0),
285 F_B(LOCAL_KILL_ONLY, 0, 0, 0),
286 F_B(CONFIG_OPERCMDS, 0, 1, 0), /* XXX change default before release */
288 /* features that affect global opers on this server */
289 F_B(OPER_KILL, 0, 1, 0),
290 F_B(OPER_REHASH, 0, 1, 0),
291 F_B(OPER_RESTART, 0, 1, 0),
292 F_B(OPER_DIE, 0, 1, 0),
293 F_B(OPER_GLINE, 0, 1, 0),
294 F_B(OPER_LGLINE, 0, 1, 0),
295 F_B(OPER_JUPE, 0, 1, 0),
296 F_B(OPER_LJUPE, 0, 1, 0),
297 F_B(OPER_OPMODE, 0, 1, 0),
298 F_B(OPER_LOPMODE, 0, 1, 0),
299 F_B(OPER_BADCHAN, 0, 0, 0),
300 F_B(OPER_LBADCHAN, 0, 0, 0),
301 F_B(OPER_SET, 0, 1, 0),
302 F_B(OPERS_SEE_IN_SECRET_CHANNELS, 0, 1, 0),
304 /* features that affect local opers on this server */
305 F_B(LOCOP_KILL, 0, 1, 0),
306 F_B(LOCOP_REHASH, 0, 1, 0),
307 F_B(LOCOP_RESTART, 0, 0, 0),
308 F_B(LOCOP_DIE, 0, 0, 0),
309 F_B(LOCOP_LGLINE, 0, 1, 0),
310 F_B(LOCOP_LJUPE, 0, 1, 0),
311 F_B(LOCOP_LOPMODE, 0, 1, 0),
312 F_B(LOCOP_LBADCHAN, 0, 0, 0),
313 F_B(LOCOP_SET, 0, 0, 0),
314 F_B(LOCOP_SEE_IN_SECRET_CHANNELS, 0, 0, 0),
320 { FEAT_LAST_F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
323 /* Given a feature's identifier, look up the feature descriptor */
324 static struct FeatureDesc *
325 feature_desc(struct Client* from, const char *feature)
329 assert(0 != feature);
331 for (i = 0; features[i].type; i++) /* find appropriate descriptor */
332 if (!ircd_strcmp(feature, features[i].type))
335 Debug((DEBUG_ERROR, "Unknown feature \"%s\"", feature));
336 if (from) /* report an error */
337 send_reply(from, ERR_NOFEATURE, feature);
339 log_write(LS_CONFIG, L_ERROR, 0, "Unknown feature \"%s\"", feature);
341 return 0; /* not found */
344 /* Given a feature vector string, set the value of a feature */
346 feature_set(struct Client* from, const char* const* fields, int count)
348 int i, change = 0, tmp;
350 struct FeatureDesc *feat;
352 if (from && !HasPriv(from, PRIV_SET))
353 return send_reply(from, ERR_NOPRIVILEGES);
356 if (from) /* report an error in the number of arguments */
357 need_more_params(from, "SET");
359 log_write(LS_CONFIG, L_ERROR, 0, "Not enough fields in F line");
360 } else if ((feat = feature_desc(from, fields[0]))) { /* find feature */
361 if (from && feat->flags & FEAT_READ)
362 return send_reply(from, ERR_NOFEATURE, fields[0]);
364 switch (feat->flags & FEAT_MASK) {
366 if (feat->set && (i = (*feat->set)(from, fields + 1, count - 1))) {
367 change++; /* feature handler wants a change recorded */
369 if (i > 0) /* call the set callback and do marking */
370 feat->flags |= FEAT_MARK;
372 feat->flags &= ~FEAT_MARK;
376 case FEAT_INT: /* an integer value */
377 tmp = feat->v_int; /* detect changes... */
379 if (count < 2) { /* reset value */
380 feat->v_int = feat->def_int;
381 feat->flags &= ~FEAT_MARK;
382 } else { /* ok, figure out the value and whether to mark it */
383 feat->v_int = strtoul(fields[1], 0, 0);
384 if (feat->v_int == feat->def_int)
385 feat->flags &= ~FEAT_MARK;
387 feat->flags |= FEAT_MARK;
390 if (feat->v_int != tmp) /* check for change */
394 case FEAT_BOOL: /* it's a boolean value--true or false */
395 tmp = feat->v_int; /* detect changes... */
397 if (count < 2) { /* reset value */
398 feat->v_int = feat->def_int;
399 feat->flags &= ~FEAT_MARK;
400 } else { /* figure out the value and whether to mark it */
401 if (!ircd_strncmp(fields[1], "TRUE", strlen(fields[1])) ||
402 !ircd_strncmp(fields[1], "YES", strlen(fields[1])) ||
403 (strlen(fields[1]) >= 2 &&
404 !ircd_strncmp(fields[1], "ON", strlen(fields[1]))))
406 else if (!ircd_strncmp(fields[1], "FALSE", strlen(fields[1])) ||
407 !ircd_strncmp(fields[1], "NO", strlen(fields[1])) ||
408 (strlen(fields[1]) >= 2 &&
409 !ircd_strncmp(fields[1], "OFF", strlen(fields[1]))))
411 else if (from) /* report an error... */
412 return send_reply(from, ERR_BADFEATVALUE, fields[1], feat->type);
414 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"%s\" for feature %s",
415 fields[1], feat->type);
419 if (feat->v_int == feat->def_int) /* figure out whether to mark it */
420 feat->flags &= ~FEAT_MARK;
422 feat->flags |= FEAT_MARK;
425 if (feat->v_int != tmp) /* check for change */
429 case FEAT_STR: /* it's a string value */
431 t_str = feat->def_str; /* changing to default */
433 t_str = *fields[1] ? fields[1] : 0;
435 if (!t_str && !(feat->flags & FEAT_NULL)) { /* NULL value permitted? */
437 return send_reply(from, ERR_BADFEATVALUE, "NULL", feat->type);
439 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"NULL\" for feature %s",
445 if (t_str == feat->def_str ||
446 (t_str && feat->def_str &&
447 !(feat->flags & FEAT_CASE ? strcmp(t_str, feat->def_str) :
448 ircd_strcmp(t_str, feat->def_str)))) { /* resetting to default */
449 if (feat->v_str != feat->def_str) {
450 change++; /* change from previous value */
453 MyFree(feat->v_str); /* free old value */
456 feat->v_str = feat->def_str; /* very special... */
458 feat->flags &= ~FEAT_MARK;
461 change++; /* change from previous value */
463 if (feat->v_str != feat->def_str)
464 MyFree(feat->v_str); /* free old value */
467 feat->v_str = 0; /* set it to NULL */
469 feat->flags |= FEAT_MARK;
470 } else if (!feat->v_str ||
471 (feat->flags & FEAT_CASE ? strcmp(t_str, feat->v_str) :
472 ircd_strcmp(t_str, feat->v_str))) { /* new value */
473 change++; /* change from previous value */
475 if (feat->v_str && feat->v_str != feat->def_str)
476 MyFree(feat->v_str); /* free old value */
477 DupString(feat->v_str, t_str); /* store new value */
479 feat->flags |= FEAT_MARK;
480 } else /* they match, but don't match the default */
481 feat->flags |= FEAT_MARK;
485 if (change && feat->notify) /* call change notify function */
492 /* reset a feature to its default values */
494 feature_reset(struct Client* from, const char* const* fields, int count)
497 struct FeatureDesc *feat;
501 if (!HasPriv(from, PRIV_SET))
502 return send_reply(from, ERR_NOPRIVILEGES);
504 if (count < 1) /* check arguments */
505 need_more_params(from, "RESET");
506 else if ((feat = feature_desc(from, fields[0]))) { /* get descriptor */
507 if (from && feat->flags & FEAT_READ)
508 return send_reply(from, ERR_NOFEATURE, fields[0]);
510 switch (feat->flags & FEAT_MASK) {
511 case FEAT_NONE: /* None... */
512 if (feat->reset && (i = (*feat->reset)(from, fields + 1, count - 1))) {
513 change++; /* feature handler wants a change recorded */
515 if (i > 0) /* call reset callback and parse mark return */
516 feat->flags |= FEAT_MARK;
518 feat->flags &= ~FEAT_MARK;
522 case FEAT_INT: /* Integer... */
523 case FEAT_BOOL: /* Boolean... */
524 if (feat->v_int != feat->def_int)
525 change++; /* change will be made */
527 feat->v_int = feat->def_int; /* set the default */
528 feat->flags &= ~FEAT_MARK; /* unmark it */
531 case FEAT_STR: /* string! */
532 if (feat->v_str != feat->def_str) {
533 change++; /* change has been made */
535 MyFree(feat->v_str); /* free old value */
538 feat->v_str = feat->def_str; /* set it to default */
539 feat->flags &= ~FEAT_MARK; /* unmark it */
543 if (change && feat->notify) /* call change notify function */
550 /* Gets the value of a specific feature and reports it to the user */
552 feature_get(struct Client* from, const char* const* fields, int count)
554 struct FeatureDesc *feat;
558 if (count < 1) /* check parameters */
559 need_more_params(from, "GET");
560 else if ((feat = feature_desc(from, fields[0]))) {
561 if ((feat->flags & FEAT_NODISP) ||
562 (feat->flags & FEAT_MYOPER && !MyOper(from)) ||
563 (feat->flags & FEAT_OPER && !IsAnOper(from))) /* check privs */
564 return send_reply(from, ERR_NOPRIVILEGES);
566 switch (feat->flags & FEAT_MASK) {
567 case FEAT_NONE: /* none, call the callback... */
568 if (feat->get) /* if there's a callback, use it */
569 (*feat->get)(from, fields + 1, count - 1);
572 case FEAT_INT: /* integer, report integer value */
573 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
574 ":Integer value of %s: %d", feat->type, feat->v_int);
577 case FEAT_BOOL: /* boolean, report boolean value */
578 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
579 ":Boolean value of %s: %s", feat->type,
580 feat->v_int ? "TRUE" : "FALSE");
583 case FEAT_STR: /* string, report string value */
584 if (feat->v_str) /* deal with null case */
585 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
586 ":String value of %s: %s", feat->type, feat->v_str);
588 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
589 ":String value for %s not set", feat->type);
597 /* called before reading the .conf to clear all marks */
603 for (i = 0; features[i].type; i++) {
604 features[i].flags &= ~FEAT_MARK; /* clear the marks... */
605 if (features[i].unmark) /* call the unmark callback if necessary */
606 (*features[i].unmark)();
610 /* Called after reading the .conf to reset unmodified values to defaults */
616 for (i = 0; features[i].type; i++) {
619 switch (features[i].flags & FEAT_MASK) {
621 if (features[i].mark &&
622 (*features[i].mark)(features[i].flags & FEAT_MARK ? 1 : 0))
623 change++; /* feature handler wants a change recorded */
626 case FEAT_INT: /* Integers or Booleans... */
628 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
629 if (features[i].v_int != features[i].def_int)
630 change++; /* we're making a change */
631 features[i].v_int = features[i].def_int;
635 case FEAT_STR: /* strings... */
636 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
637 if (features[i].v_str != features[i].def_str) {
638 change++; /* we're making a change */
639 if (features[i].v_str)
640 MyFree(features[i].v_str); /* free old value */
642 features[i].v_str = features[i].def_str;
647 if (change && features[i].notify)
648 (*features[i].notify)(); /* call change notify function */
652 /* used to initialize the features subsystem */
658 for (i = 0; features[i].type; i++) {
659 switch (features[i].flags & FEAT_MASK) {
660 case FEAT_NONE: /* you're on your own */
663 case FEAT_INT: /* Integers or Booleans... */
665 features[i].v_int = features[i].def_int;
668 case FEAT_STR: /* Strings */
669 features[i].v_str = features[i].def_str;
670 assert(features[i].def_str || (features[i].flags & FEAT_NULL));
676 /* report all F-lines */
678 feature_report(struct Client* to)
682 for (i = 0; features[i].type; i++) {
683 if ((features[i].flags & FEAT_NODISP) ||
684 (features[i].flags & FEAT_MYOPER && !MyOper(to)) ||
685 (features[i].flags & FEAT_OPER && !IsAnOper(to)))
686 continue; /* skip this one */
688 switch (features[i].flags & FEAT_MASK) {
690 if (features[i].report) /* let the callback handle this */
691 (*features[i].report)(to, features[i].flags & FEAT_MARK ? 1 : 0);
695 case FEAT_INT: /* Report an F-line with integer values */
696 if (features[i].flags & FEAT_MARK) /* it's been changed */
697 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %d",
698 features[i].type, features[i].v_int);
701 case FEAT_BOOL: /* Report an F-line with boolean values */
702 if (features[i].flags & FEAT_MARK) /* it's been changed */
703 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
704 features[i].type, features[i].v_int ? "TRUE" : "FALSE");
707 case FEAT_STR: /* Report an F-line with string values */
708 if (features[i].flags & FEAT_MARK) { /* it's been changed */
709 if (features[i].v_str)
710 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
711 features[i].type, features[i].v_str);
712 else /* Actually, F:<type> would reset it; you want F:<type>: */
713 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s",
721 /* return a feature's integer value */
723 feature_int(enum Feature feat)
725 assert(features[feat].feat == feat);
726 assert((features[feat].flags & FEAT_MASK) == FEAT_INT);
728 return features[feat].v_int;
731 /* return a feature's boolean value */
733 feature_bool(enum Feature feat)
735 assert(features[feat].feat == feat);
736 assert((features[feat].flags & FEAT_MASK) == FEAT_BOOL);
738 return features[feat].v_int;
741 /* return a feature's string value */
743 feature_str(enum Feature feat)
745 assert(features[feat].feat == feat);
746 assert((features[feat].flags & FEAT_MASK) == FEAT_STR);
748 return features[feat].v_str;