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 */
45 #include "sys.h" /* FALSE bleah */
46 #include "whowas.h" /* whowas_realloc */
52 /* List of log output types that can be set */
53 static struct LogTypes {
55 int (*set)(const char *, const char *);
56 char *(*get)(const char *);
58 { "FILE", log_set_file, log_get_file },
59 { "FACILITY", log_set_facility, log_get_facility },
60 { "SNOMASK", log_set_snomask, log_get_snomask },
61 { "LEVEL", log_set_level, log_get_level },
65 /* Look up a struct LogType given the type string */
66 static struct LogTypes *
67 feature_log_desc(struct Client* from, const char *type)
73 for (i = 0; logTypes[i].type; i++) /* find appropriate descriptor */
74 if (!ircd_strcmp(type, logTypes[i].type))
77 Debug((DEBUG_ERROR, "Unknown log feature type \"%s\"", type));
78 if (from) /* send an error; if from is NULL, called from conf parser */
79 send_reply(from, ERR_BADLOGTYPE, type);
81 log_write(LS_CONFIG, L_ERROR, 0, "Unknown log feature type \"%s\"", type);
83 return 0; /* not found */
86 /* Set the value of a log output type for a log subsystem */
88 feature_log_set(struct Client* from, const char* const* fields, int count)
90 struct LogTypes *desc;
93 if (count < 2) { /* set default facility */
94 if (log_set_default(count < 1 ? 0 : fields[0])) {
95 assert(count >= 1); /* should always accept default */
97 if (from) /* send an error */
98 send_reply(from, ERR_BADLOGVALUE, fields[0]);
100 log_write(LS_CONFIG, L_ERROR, 0,
101 "Bad value \"%s\" for default facility", fields[0]);
103 return count < 1 ? -1 : 1; /* tell feature to set or clear mark */
104 } else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
105 if (from) /* send an error */
106 send_reply(from, ERR_BADLOGSYS, fields[0]);
108 log_write(LS_CONFIG, L_ERROR, 0,
109 "No such logging subsystem \"%s\"", fields[0]);
110 } else if ((desc = feature_log_desc(from, fields[1]))) { /* set value */
111 if ((*desc->set)(fields[0], count < 3 ? 0 : fields[2])) {
112 assert(count >= 3); /* should always accept default */
114 if (from) /* send an error */
115 send_reply(from, ERR_BADLOGVALUE, fields[2]);
117 log_write(LS_CONFIG, L_ERROR, 0,
118 "Bad value \"%s\" for log type %s (subsystem %s)",
119 fields[2], desc->type, subsys);
126 /* reset a log type for a subsystem to its default value */
128 feature_log_reset(struct Client* from, const char* const* fields, int count)
130 struct LogTypes *desc;
133 assert(0 != from); /* Never called by the .conf parser */
135 if (count < 1) { /* reset default facility */
137 return -1; /* unmark this entry */
138 } else if (count < 2)
139 need_more_params(from, "RESET");
140 else if (!(subsys = log_canon(fields[0]))) /* no such subsystem */
141 send_reply(from, ERR_BADLOGSYS, fields[0]);
142 else if ((desc = feature_log_desc(from, fields[1]))) /* reset value */
143 (*desc->set)(fields[0], 0); /* default should always be accepted */
148 /* report the value of a log setting */
150 feature_log_get(struct Client* from, const char* const* fields, int count)
152 struct LogTypes *desc;
153 char *value, *subsys;
155 assert(0 != from); /* never called by .conf parser */
157 if (count < 1) /* return default facility */
158 send_reply(from, SND_EXPLICIT | RPL_FEATURE, ":Log facility: %s",
161 need_more_params(from, "GET");
162 else if (!(subsys = log_canon(fields[0]))) { /* no such subsystem */
163 send_reply(from, ERR_BADLOGSYS, fields[0]);
164 } else if ((desc = feature_log_desc(from, fields[1]))) {
165 if ((value = (*desc->get)(fields[0]))) /* send along value */
166 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
167 ":Log %s for subsystem %s: %s", desc->type, subsys,
168 (*desc->get)(subsys));
170 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
171 ":No log %s is set for subsystem %s", desc->type, subsys);
175 /* sets a feature to the given value */
176 typedef int (*feat_set_call)(struct Client*, const char* const*, int);
177 /* gets the value of a feature */
178 typedef void (*feat_get_call)(struct Client*, const char* const*, int);
179 /* callback to notify of a feature's change */
180 typedef void (*feat_notify_call)(void);
181 /* unmarks all sub-feature values prior to reading .conf */
182 typedef void (*feat_unmark_call)(void);
183 /* resets to defaults all currently unmarked values */
184 typedef int (*feat_mark_call)(int);
185 /* reports features as a /stats f list */
186 typedef void (*feat_report_call)(struct Client*, int);
188 #define FEAT_NONE 0x0000 /* no value */
189 #define FEAT_INT 0x0001 /* set if entry contains an integer value */
190 #define FEAT_BOOL 0x0002 /* set if entry contains a boolean value */
191 #define FEAT_STR 0x0003 /* set if entry contains a string value */
192 #define FEAT_MASK 0x000f /* possible value types */
194 #define FEAT_MARK 0x0010 /* set if entry has been changed */
195 #define FEAT_NULL 0x0020 /* NULL string is permitted */
196 #define FEAT_CASE 0x0040 /* string is case-sensitive */
198 #define FEAT_OPER 0x0100 /* set to display only to opers */
199 #define FEAT_MYOPER 0x0200 /* set to display only to local opers */
200 #define FEAT_NODISP 0x0400 /* feature must never be displayed */
202 #define FEAT_READ 0x1000 /* feature is read-only (for now, perhaps?) */
204 static struct FeatureDesc {
205 enum Feature feat; /* feature identifier */
206 char* type; /* string describing type */
207 unsigned int flags; /* flags for feature */
208 int v_int; /* integer value */
209 int def_int; /* default value */
210 char* v_str; /* string value */
211 char* def_str; /* default value */
212 feat_set_call set; /* set feature values */
213 feat_set_call reset; /* reset feature values to defaults */
214 feat_get_call get; /* get feature values */
215 feat_notify_call notify; /* notify of value change */
216 feat_unmark_call unmark; /* unmark all feature change values */
217 feat_mark_call mark; /* reset to defaults all unchanged features */
218 feat_report_call report; /* report feature values */
220 #define F_N(type, flags, set, reset, get, notify, unmark, mark, report) \
221 { FEAT_ ## type, #type, FEAT_NONE | (flags), 0, 0, 0, 0, \
222 (set), (reset), (get), (notify), (unmark), (mark), (report) }
223 #define F_I(type, flags, v_int, notify) \
224 { FEAT_ ## type, #type, FEAT_INT | (flags), 0, (v_int), 0, 0, \
225 0, 0, 0, (notify), 0, 0, 0 }
226 #define F_B(type, flags, v_int, notify) \
227 { FEAT_ ## type, #type, FEAT_BOOL | (flags), 0, (v_int), 0, 0, \
228 0, 0, 0, (notify), 0, 0, 0 }
229 #define F_S(type, flags, v_str, notify) \
230 { FEAT_ ## type, #type, FEAT_STR | (flags), 0, 0, 0, (v_str), \
231 0, 0, 0, (notify), 0, 0, 0 }
234 F_N(LOG, FEAT_MYOPER, feature_log_set, feature_log_reset, feature_log_get,
235 0, log_feature_unmark, log_feature_mark, log_feature_report),
236 F_S(DOMAINNAME, 0, DOMAINNAME, 0),
237 F_B(RELIABLE_CLOCK, 0, 0, 0),
238 F_I(BUFFERPOOL, 0, 27000000, 0),
239 F_B(HAS_FERGUSON_FLUSHER, 0, 0, 0),
240 F_I(CLIENT_FLOOD, 0, 1024, 0),
241 F_I(SERVER_PORT, FEAT_OPER, 4400, 0),
242 F_B(NODEFAULTMOTD, 0, 1, 0),
243 F_B(KILL_IPMISMATCH, FEAT_OPER, 0, 0),
244 F_B(IDLE_FROM_MSG, 0, 1, 0),
246 F_B(WALLOPS_OPER_ONLY, 0, 0, 0),
248 F_N(RANDOM_SEED, FEAT_NODISP, random_seed_set, 0, 0, 0, 0, 0, 0),
249 F_S(DEFAULT_LIST_PARAM, FEAT_NULL, 0, list_set_default),
250 F_I(NICKNAMEHISTORYLENGTH, 0, 800, whowas_realloc),
252 /* features that probably should not be touched */
253 F_I(KILLCHASETIMELIMIT, 0, 30, 0),
254 F_I(MAXCHANNELSPERUSER, 0, 10, 0),
255 F_I(AVBANLEN, 0, 40, 0),
256 F_I(MAXBANS, 0, 30, 0),
257 F_I(MAXSILES, 0, 15, 0),
258 F_I(HANGONGOODLINK, 0, 300, 0),
259 F_I(HANGONRETRYDELAY, 0, 10, 0),
260 F_I(CONNECTTIMEOUT, 0, 90, 0),
261 F_I(TIMESEC, 0, 60, 0),
262 F_I(MAXIMUM_LINKS, 0, 1, init_class), /* reinit class 0 as needed */
263 F_I(PINGFREQUENCY, 0, 120, init_class),
264 F_I(CONNECTFREQUENCY, 0, 600, init_class),
265 F_I(DEFAULTMAXSENDQLENGTH, 0, 40000, init_class),
267 /* Some misc. default paths */
268 F_S(MPATH, FEAT_CASE | FEAT_MYOPER, "ircd.motd", motd_init),
269 F_S(RPATH, FEAT_CASE | FEAT_MYOPER, "remote.motd", motd_init),
270 F_S(PPATH, FEAT_CASE | FEAT_MYOPER | FEAT_READ, "ircd.pid", 0),
272 /* Networking features */
273 F_B(VIRTUAL_HOST, 0, 0, 0),
274 F_I(TOS_SERVER, 0, 0x08, 0),
275 F_I(TOS_CLIENT, 0, 0x08, 0),
277 /* features that affect all operators */
278 F_B(CRYPT_OPER_PASSWORD, FEAT_MYOPER | FEAT_READ, 1, 0),
279 F_B(OPER_NO_CHAN_LIMIT, 0, 1, 0),
280 F_B(OPER_MODE_LCHAN, 0, 1, 0),
281 F_B(OPER_WALK_THROUGH_LMODES, 0, 0, 0),
282 F_B(NO_OPER_DEOP_LCHAN, 0, 0, 0),
283 F_B(SHOW_INVISIBLE_USERS, 0, 1, 0),
284 F_B(SHOW_ALL_INVISIBLE_USERS, 0, 1, 0),
285 F_B(UNLIMIT_OPER_QUERY, 0, 0, 0),
286 F_B(LOCAL_KILL_ONLY, 0, 0, 0),
287 F_B(CONFIG_OPERCMDS, 0, 1, 0), /* XXX change default before release */
289 /* features that affect global opers on this server */
290 F_B(OPER_KILL, 0, 1, 0),
291 F_B(OPER_REHASH, 0, 1, 0),
292 F_B(OPER_RESTART, 0, 1, 0),
293 F_B(OPER_DIE, 0, 1, 0),
294 F_B(OPER_GLINE, 0, 1, 0),
295 F_B(OPER_LGLINE, 0, 1, 0),
296 F_B(OPER_JUPE, 0, 1, 0),
297 F_B(OPER_LJUPE, 0, 1, 0),
298 F_B(OPER_OPMODE, 0, 1, 0),
299 F_B(OPER_LOPMODE, 0, 1, 0),
300 F_B(OPER_BADCHAN, 0, 0, 0),
301 F_B(OPER_LBADCHAN, 0, 0, 0),
302 F_B(OPER_SET, 0, 1, 0),
303 F_B(OPERS_SEE_IN_SECRET_CHANNELS, 0, 1, 0),
305 /* features that affect local opers on this server */
306 F_B(LOCOP_KILL, 0, 1, 0),
307 F_B(LOCOP_REHASH, 0, 1, 0),
308 F_B(LOCOP_RESTART, 0, 0, 0),
309 F_B(LOCOP_DIE, 0, 0, 0),
310 F_B(LOCOP_LGLINE, 0, 1, 0),
311 F_B(LOCOP_LJUPE, 0, 1, 0),
312 F_B(LOCOP_LOPMODE, 0, 1, 0),
313 F_B(LOCOP_LBADCHAN, 0, 0, 0),
314 F_B(LOCOP_SET, 0, 0, 0),
315 F_B(LOCOP_SEE_IN_SECRET_CHANNELS, 0, 0, 0),
321 { FEAT_LAST_F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
324 /* Given a feature's identifier, look up the feature descriptor */
325 static struct FeatureDesc *
326 feature_desc(struct Client* from, const char *feature)
330 assert(0 != feature);
332 for (i = 0; features[i].type; i++) /* find appropriate descriptor */
333 if (!ircd_strcmp(feature, features[i].type))
336 Debug((DEBUG_ERROR, "Unknown feature \"%s\"", feature));
337 if (from) /* report an error */
338 send_reply(from, ERR_NOFEATURE, feature);
340 log_write(LS_CONFIG, L_ERROR, 0, "Unknown feature \"%s\"", feature);
342 return 0; /* not found */
345 /* Given a feature vector string, set the value of a feature */
347 feature_set(struct Client* from, const char* const* fields, int count)
349 int i, change = 0, tmp;
351 struct FeatureDesc *feat;
353 if (from && !HasPriv(from, PRIV_SET))
354 return send_reply(from, ERR_NOPRIVILEGES);
357 if (from) /* report an error in the number of arguments */
358 need_more_params(from, "SET");
360 log_write(LS_CONFIG, L_ERROR, 0, "Not enough fields in F line");
361 } else if ((feat = feature_desc(from, fields[0]))) { /* find feature */
362 if (from && feat->flags & FEAT_READ)
363 return send_reply(from, ERR_NOFEATURE, fields[0]);
365 switch (feat->flags & FEAT_MASK) {
367 if (feat->set && (i = (*feat->set)(from, fields + 1, count - 1))) {
368 change++; /* feature handler wants a change recorded */
370 if (i > 0) /* call the set callback and do marking */
371 feat->flags |= FEAT_MARK;
373 feat->flags &= ~FEAT_MARK;
377 case FEAT_INT: /* an integer value */
378 tmp = feat->v_int; /* detect changes... */
380 if (count < 2) { /* reset value */
381 feat->v_int = feat->def_int;
382 feat->flags &= ~FEAT_MARK;
383 } else { /* ok, figure out the value and whether to mark it */
384 feat->v_int = strtoul(fields[1], 0, 0);
385 if (feat->v_int == feat->def_int)
386 feat->flags &= ~FEAT_MARK;
388 feat->flags |= FEAT_MARK;
391 if (feat->v_int != tmp) /* check for change */
395 case FEAT_BOOL: /* it's a boolean value--true or false */
396 tmp = feat->v_int; /* detect changes... */
398 if (count < 2) { /* reset value */
399 feat->v_int = feat->def_int;
400 feat->flags &= ~FEAT_MARK;
401 } else { /* figure out the value and whether to mark it */
402 if (!ircd_strncmp(fields[1], "TRUE", strlen(fields[1])) ||
403 !ircd_strncmp(fields[1], "YES", strlen(fields[1])) ||
404 (strlen(fields[1]) >= 2 &&
405 !ircd_strncmp(fields[1], "ON", strlen(fields[1]))))
407 else if (!ircd_strncmp(fields[1], "FALSE", strlen(fields[1])) ||
408 !ircd_strncmp(fields[1], "NO", strlen(fields[1])) ||
409 (strlen(fields[1]) >= 2 &&
410 !ircd_strncmp(fields[1], "OFF", strlen(fields[1]))))
412 else if (from) /* report an error... */
413 return send_reply(from, ERR_BADFEATVALUE, fields[1], feat->type);
415 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"%s\" for feature %s",
416 fields[1], feat->type);
420 if (feat->v_int == feat->def_int) /* figure out whether to mark it */
421 feat->flags &= ~FEAT_MARK;
423 feat->flags |= FEAT_MARK;
426 if (feat->v_int != tmp) /* check for change */
430 case FEAT_STR: /* it's a string value */
432 t_str = feat->def_str; /* changing to default */
434 t_str = *fields[1] ? fields[1] : 0;
436 if (!t_str && !(feat->flags & FEAT_NULL)) { /* NULL value permitted? */
438 return send_reply(from, ERR_BADFEATVALUE, "NULL", feat->type);
440 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"NULL\" for feature %s",
446 if (t_str == feat->def_str ||
447 (t_str && feat->def_str &&
448 !(feat->flags & FEAT_CASE ? strcmp(t_str, feat->def_str) :
449 ircd_strcmp(t_str, feat->def_str)))) { /* resetting to default */
450 if (feat->v_str != feat->def_str) {
451 change++; /* change from previous value */
454 MyFree(feat->v_str); /* free old value */
457 feat->v_str = feat->def_str; /* very special... */
459 feat->flags &= ~FEAT_MARK;
462 change++; /* change from previous value */
464 if (feat->v_str != feat->def_str)
465 MyFree(feat->v_str); /* free old value */
468 feat->v_str = 0; /* set it to NULL */
470 feat->flags |= FEAT_MARK;
471 } else if (!feat->v_str ||
472 (feat->flags & FEAT_CASE ? strcmp(t_str, feat->v_str) :
473 ircd_strcmp(t_str, feat->v_str))) { /* new value */
474 change++; /* change from previous value */
476 if (feat->v_str && feat->v_str != feat->def_str)
477 MyFree(feat->v_str); /* free old value */
478 DupString(feat->v_str, t_str); /* store new value */
480 feat->flags |= FEAT_MARK;
481 } else /* they match, but don't match the default */
482 feat->flags |= FEAT_MARK;
486 if (change && feat->notify) /* call change notify function */
493 /* reset a feature to its default values */
495 feature_reset(struct Client* from, const char* const* fields, int count)
498 struct FeatureDesc *feat;
502 if (!HasPriv(from, PRIV_SET))
503 return send_reply(from, ERR_NOPRIVILEGES);
505 if (count < 1) /* check arguments */
506 need_more_params(from, "RESET");
507 else if ((feat = feature_desc(from, fields[0]))) { /* get descriptor */
508 if (from && feat->flags & FEAT_READ)
509 return send_reply(from, ERR_NOFEATURE, fields[0]);
511 switch (feat->flags & FEAT_MASK) {
512 case FEAT_NONE: /* None... */
513 if (feat->reset && (i = (*feat->reset)(from, fields + 1, count - 1))) {
514 change++; /* feature handler wants a change recorded */
516 if (i > 0) /* call reset callback and parse mark return */
517 feat->flags |= FEAT_MARK;
519 feat->flags &= ~FEAT_MARK;
523 case FEAT_INT: /* Integer... */
524 case FEAT_BOOL: /* Boolean... */
525 if (feat->v_int != feat->def_int)
526 change++; /* change will be made */
528 feat->v_int = feat->def_int; /* set the default */
529 feat->flags &= ~FEAT_MARK; /* unmark it */
532 case FEAT_STR: /* string! */
533 if (feat->v_str != feat->def_str) {
534 change++; /* change has been made */
536 MyFree(feat->v_str); /* free old value */
539 feat->v_str = feat->def_str; /* set it to default */
540 feat->flags &= ~FEAT_MARK; /* unmark it */
544 if (change && feat->notify) /* call change notify function */
551 /* Gets the value of a specific feature and reports it to the user */
553 feature_get(struct Client* from, const char* const* fields, int count)
555 struct FeatureDesc *feat;
559 if (count < 1) /* check parameters */
560 need_more_params(from, "GET");
561 else if ((feat = feature_desc(from, fields[0]))) {
562 if ((feat->flags & FEAT_NODISP) ||
563 (feat->flags & FEAT_MYOPER && !MyOper(from)) ||
564 (feat->flags & FEAT_OPER && !IsAnOper(from))) /* check privs */
565 return send_reply(from, ERR_NOPRIVILEGES);
567 switch (feat->flags & FEAT_MASK) {
568 case FEAT_NONE: /* none, call the callback... */
569 if (feat->get) /* if there's a callback, use it */
570 (*feat->get)(from, fields + 1, count - 1);
573 case FEAT_INT: /* integer, report integer value */
574 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
575 ":Integer value of %s: %d", feat->type, feat->v_int);
578 case FEAT_BOOL: /* boolean, report boolean value */
579 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
580 ":Boolean value of %s: %s", feat->type,
581 feat->v_int ? "TRUE" : "FALSE");
584 case FEAT_STR: /* string, report string value */
585 if (feat->v_str) /* deal with null case */
586 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
587 ":String value of %s: %s", feat->type, feat->v_str);
589 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
590 ":String value for %s not set", feat->type);
598 /* called before reading the .conf to clear all marks */
604 for (i = 0; features[i].type; i++) {
605 features[i].flags &= ~FEAT_MARK; /* clear the marks... */
606 if (features[i].unmark) /* call the unmark callback if necessary */
607 (*features[i].unmark)();
611 /* Called after reading the .conf to reset unmodified values to defaults */
617 for (i = 0; features[i].type; i++) {
620 switch (features[i].flags & FEAT_MASK) {
622 if (features[i].mark &&
623 (*features[i].mark)(features[i].flags & FEAT_MARK ? 1 : 0))
624 change++; /* feature handler wants a change recorded */
627 case FEAT_INT: /* Integers or Booleans... */
629 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
630 if (features[i].v_int != features[i].def_int)
631 change++; /* we're making a change */
632 features[i].v_int = features[i].def_int;
636 case FEAT_STR: /* strings... */
637 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
638 if (features[i].v_str != features[i].def_str) {
639 change++; /* we're making a change */
640 if (features[i].v_str)
641 MyFree(features[i].v_str); /* free old value */
643 features[i].v_str = features[i].def_str;
648 if (change && features[i].notify)
649 (*features[i].notify)(); /* call change notify function */
653 /* used to initialize the features subsystem */
659 for (i = 0; features[i].type; i++) {
660 switch (features[i].flags & FEAT_MASK) {
661 case FEAT_NONE: /* you're on your own */
664 case FEAT_INT: /* Integers or Booleans... */
666 features[i].v_int = features[i].def_int;
669 case FEAT_STR: /* Strings */
670 features[i].v_str = features[i].def_str;
671 assert(features[i].def_str || (features[i].flags & FEAT_NULL));
677 /* report all F-lines */
679 feature_report(struct Client* to)
683 for (i = 0; features[i].type; i++) {
684 if ((features[i].flags & FEAT_NODISP) ||
685 (features[i].flags & FEAT_MYOPER && !MyOper(to)) ||
686 (features[i].flags & FEAT_OPER && !IsAnOper(to)))
687 continue; /* skip this one */
689 switch (features[i].flags & FEAT_MASK) {
691 if (features[i].report) /* let the callback handle this */
692 (*features[i].report)(to, features[i].flags & FEAT_MARK ? 1 : 0);
696 case FEAT_INT: /* Report an F-line with integer values */
697 if (features[i].flags & FEAT_MARK) /* it's been changed */
698 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %d",
699 features[i].type, features[i].v_int);
702 case FEAT_BOOL: /* Report an F-line with boolean values */
703 if (features[i].flags & FEAT_MARK) /* it's been changed */
704 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
705 features[i].type, features[i].v_int ? "TRUE" : "FALSE");
708 case FEAT_STR: /* Report an F-line with string values */
709 if (features[i].flags & FEAT_MARK) { /* it's been changed */
710 if (features[i].v_str)
711 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
712 features[i].type, features[i].v_str);
713 else /* Actually, F:<type> would reset it; you want F:<type>: */
714 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s",
722 /* return a feature's integer value */
724 feature_int(enum Feature feat)
726 assert(features[feat].feat == feat);
727 assert((features[feat].flags & FEAT_MASK) == FEAT_INT);
729 return features[feat].v_int;
732 /* return a feature's boolean value */
734 feature_bool(enum Feature feat)
736 assert(features[feat].feat == feat);
737 assert((features[feat].flags & FEAT_MASK) == FEAT_BOOL);
739 return features[feat].v_int;
742 /* return a feature's string value */
744 feature_str(enum Feature feat)
746 assert(features[feat].feat == feat);
747 assert((features[feat].flags & FEAT_MASK) == FEAT_STR);
749 return features[feat].v_str;