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_S(MOTD_BANNER, FEAT_NULL, 0, 0),
244 F_S(PROVIDER, FEAT_NULL, 0, 0),
245 F_B(KILL_IPMISMATCH, FEAT_OPER, 0, 0),
246 F_B(IDLE_FROM_MSG, 0, 1, 0),
248 F_B(WALLOPS_OPER_ONLY, 0, 0, 0),
250 F_N(RANDOM_SEED, FEAT_NODISP, random_seed_set, 0, 0, 0, 0, 0, 0),
251 F_S(DEFAULT_LIST_PARAM, FEAT_NULL, 0, list_set_default),
252 F_I(NICKNAMEHISTORYLENGTH, 0, 800, whowas_realloc),
253 F_B(HOST_HIDING, 0, 1, 0),
254 F_S(HIDDEN_HOST, FEAT_CASE, "users.undernet.org", 0),
255 F_S(HIDDEN_IP, 0, "127.0.0.1", 0),
256 F_B(CONNEXIT_NOTICES, 0, 0, 0),
257 F_B(OPLEVELS, 0, 1, 0),
258 F_B(LOCAL_CHANNELS, 0, 1, 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(AVBANLEN, 0, 40, 0),
264 F_I(MAXBANS, 0, 45, 0),
265 F_I(MAXSILES, 0, 15, 0),
266 F_I(HANGONGOODLINK, 0, 300, 0),
267 F_I(HANGONRETRYDELAY, 0, 10, 0),
268 F_I(CONNECTTIMEOUT, 0, 90, 0),
269 F_I(TIMESEC, 0, 60, 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),
276 /* Some misc. default paths */
277 F_S(MPATH, FEAT_CASE | FEAT_MYOPER, "ircd.motd", motd_init),
278 F_S(RPATH, FEAT_CASE | FEAT_MYOPER, "remote.motd", motd_init),
279 F_S(PPATH, FEAT_CASE | FEAT_MYOPER | FEAT_READ, "ircd.pid", 0),
281 /* Networking features */
282 F_B(VIRTUAL_HOST, 0, 0, 0),
283 F_I(TOS_SERVER, 0, 0x08, 0),
284 F_I(TOS_CLIENT, 0, 0x08, 0),
285 F_I(POLLS_PER_LOOP, 0, 200, 0),
287 /* features that affect all operators */
288 F_B(CRYPT_OPER_PASSWORD, FEAT_MYOPER | FEAT_READ, 1, 0),
289 F_B(OPER_NO_CHAN_LIMIT, 0, 1, 0),
290 F_B(OPER_MODE_LCHAN, 0, 1, 0),
291 F_B(OPER_WALK_THROUGH_LMODES, 0, 0, 0),
292 F_B(NO_OPER_DEOP_LCHAN, 0, 0, 0),
293 F_B(SHOW_INVISIBLE_USERS, 0, 1, 0),
294 F_B(SHOW_ALL_INVISIBLE_USERS, 0, 1, 0),
295 F_B(UNLIMIT_OPER_QUERY, 0, 0, 0),
296 F_B(LOCAL_KILL_ONLY, 0, 0, 0),
297 F_B(CONFIG_OPERCMDS, 0, 0, 0),
298 F_B(LIST_CHAN, 0, 1, 0),
300 /* features that affect global opers on this server */
301 F_B(OPER_KILL, 0, 1, 0),
302 F_B(OPER_REHASH, 0, 1, 0),
303 F_B(OPER_RESTART, 0, 1, 0),
304 F_B(OPER_DIE, 0, 1, 0),
305 F_B(OPER_GLINE, 0, 1, 0),
306 F_B(OPER_LGLINE, 0, 1, 0),
307 F_B(OPER_JUPE, 0, 1, 0),
308 F_B(OPER_LJUPE, 0, 1, 0),
309 F_B(OPER_OPMODE, 0, 1, 0),
310 F_B(OPER_LOPMODE, 0, 1, 0),
311 F_B(OPER_FORCE_OPMODE, 0, 1, 0),
312 F_B(OPER_FORCE_LOPMODE, 0, 1, 0),
313 F_B(OPER_BADCHAN, 0, 0, 0),
314 F_B(OPER_LBADCHAN, 0, 0, 0),
315 F_B(OPER_SET, 0, 0, 0),
316 F_B(OPERS_SEE_IN_SECRET_CHANNELS, 0, 1, 0),
317 F_B(OPER_WIDE_GLINE, 0, 1, 0),
318 F_B(OPER_LIST_CHAN, 0, 1, 0),
320 /* features that affect local opers on this server */
321 F_B(LOCOP_KILL, 0, 1, 0),
322 F_B(LOCOP_REHASH, 0, 1, 0),
323 F_B(LOCOP_RESTART, 0, 0, 0),
324 F_B(LOCOP_DIE, 0, 0, 0),
325 F_B(LOCOP_LGLINE, 0, 1, 0),
326 F_B(LOCOP_LJUPE, 0, 1, 0),
327 F_B(LOCOP_LOPMODE, 0, 1, 0),
328 F_B(LOCOP_FORCE_LOPMODE, 0, 1, 0),
329 F_B(LOCOP_LBADCHAN, 0, 0, 0),
330 F_B(LOCOP_SET, 0, 0, 0),
331 F_B(LOCOP_SEE_IN_SECRET_CHANNELS, 0, 0, 0),
332 F_B(LOCOP_WIDE_GLINE, 0, 0, 0),
333 F_B(LOCOP_LIST_CHAN, 0, 0, 0),
335 /* HEAD_IN_SAND Features */
336 F_B(HIS_SNOTICES, 0, 1, 0),
337 F_B(HIS_SNOTICES_OPER_ONLY, 0, 1, 0),
338 F_B(HIS_DESYNCS, 0, 1, 0),
339 F_B(HIS_DEBUG_OPER_ONLY, 0, 1, 0),
340 F_B(HIS_WALLOPS, 0, 1, 0),
341 F_B(HIS_MAP, 0, 1, 0),
342 F_B(HIS_LINKS, 0, 1, 0),
343 F_B(HIS_TRACE, 0, 1, 0),
344 F_B(HIS_STATS_l, 0, 1, 0),
345 F_B(HIS_STATS_c, 0, 1, 0),
346 F_B(HIS_STATS_g, 0, 1, 0),
347 F_B(HIS_STATS_h, 0, 1, 0),
348 F_B(HIS_STATS_k, 0, 1, 0),
349 F_B(HIS_STATS_f, 0, 1, 0),
350 F_B(HIS_STATS_i, 0, 1, 0),
351 F_B(HIS_STATS_j, 0, 1, 0),
352 F_B(HIS_STATS_M, 0, 1, 0),
353 F_B(HIS_STATS_m, 0, 1, 0),
354 F_B(HIS_STATS_o, 0, 1, 0),
355 F_B(HIS_STATS_p, 0, 1, 0),
356 F_B(HIS_STATS_q, 0, 1, 0),
357 F_B(HIS_STATS_r, 0, 1, 0),
358 F_B(HIS_STATS_d, 0, 1, 0),
359 F_B(HIS_STATS_e, 0, 1, 0),
360 F_B(HIS_STATS_t, 0, 1, 0),
361 F_B(HIS_STATS_T, 0, 1, 0),
362 F_B(HIS_STATS_u, 0, 0, 0),
363 F_B(HIS_STATS_U, 0, 1, 0),
364 F_B(HIS_STATS_v, 0, 1, 0),
365 F_B(HIS_STATS_w, 0, 0, 0),
366 F_B(HIS_STATS_x, 0, 1, 0),
367 F_B(HIS_STATS_y, 0, 1, 0),
368 F_B(HIS_STATS_z, 0, 1, 0),
369 F_B(HIS_WHOIS_SERVERNAME, 0, 1, 0),
370 F_B(HIS_WHOIS_IDLETIME, 0, 1, 0),
371 F_B(HIS_WHO_SERVERNAME, 0, 1, 0),
372 F_B(HIS_WHO_HOPCOUNT, 0, 1, 0),
373 F_B(HIS_BANWHO, 0, 1, 0),
374 F_B(HIS_KILLWHO, 0, 1, 0),
375 F_B(HIS_REWRITE, 0, 1, 0),
376 F_I(HIS_REMOTE, 0, 1, 0),
377 F_B(HIS_NETSPLIT, 0, 1, 0),
378 F_S(HIS_SERVERNAME, 0, "*.undernet.org", 0),
379 F_S(HIS_SERVERINFO, 0, "The Undernet Underworld", 0),
380 F_S(HIS_URLSERVERS, 0, "http://www.undernet.org/servers.php", 0),
382 /* Misc. random stuff */
383 F_S(NETWORK, 0, "UnderNet", 0),
384 F_S(URL_CLIENTS, 0, "ftp://ftp.undernet.org/pub/irc/clients", 0),
390 { FEAT_LAST_F, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
393 /* Given a feature's identifier, look up the feature descriptor */
394 static struct FeatureDesc *
395 feature_desc(struct Client* from, const char *feature)
399 assert(0 != feature);
401 for (i = 0; features[i].type; i++) /* find appropriate descriptor */
402 if (!strcmp(feature, features[i].type))
405 Debug((DEBUG_ERROR, "Unknown feature \"%s\"", feature));
406 if (from) /* report an error */
407 send_reply(from, ERR_NOFEATURE, feature);
409 log_write(LS_CONFIG, L_ERROR, 0, "Unknown feature \"%s\"", feature);
411 return 0; /* not found */
414 /* Given a feature vector string, set the value of a feature */
416 feature_set(struct Client* from, const char* const* fields, int count)
418 int i, change = 0, tmp;
420 struct FeatureDesc *feat;
422 if (from && !HasPriv(from, PRIV_SET))
423 return send_reply(from, ERR_NOPRIVILEGES);
426 if (from) /* report an error in the number of arguments */
427 need_more_params(from, "SET");
429 log_write(LS_CONFIG, L_ERROR, 0, "Not enough fields in F line");
430 } else if ((feat = feature_desc(from, fields[0]))) { /* find feature */
431 if (from && feat->flags & FEAT_READ)
432 return send_reply(from, ERR_NOFEATURE, fields[0]);
434 switch (feat->flags & FEAT_MASK) {
436 if (feat->set && (i = (*feat->set)(from, fields + 1, count - 1))) {
437 change++; /* feature handler wants a change recorded */
439 if (i > 0) /* call the set callback and do marking */
440 feat->flags |= FEAT_MARK;
442 feat->flags &= ~FEAT_MARK;
446 case FEAT_INT: /* an integer value */
447 tmp = feat->v_int; /* detect changes... */
449 if (count < 2) { /* reset value */
450 feat->v_int = feat->def_int;
451 feat->flags &= ~FEAT_MARK;
452 } else { /* ok, figure out the value and whether to mark it */
453 feat->v_int = strtoul(fields[1], 0, 0);
454 if (feat->v_int == feat->def_int)
455 feat->flags &= ~FEAT_MARK;
457 feat->flags |= FEAT_MARK;
460 if (feat->v_int != tmp) /* check for change */
464 case FEAT_BOOL: /* it's a boolean value--true or false */
465 tmp = feat->v_int; /* detect changes... */
467 if (count < 2) { /* reset value */
468 feat->v_int = feat->def_int;
469 feat->flags &= ~FEAT_MARK;
470 } else { /* figure out the value and whether to mark it */
471 if (!ircd_strncmp(fields[1], "TRUE", strlen(fields[1])) ||
472 !ircd_strncmp(fields[1], "YES", strlen(fields[1])) ||
473 (strlen(fields[1]) >= 2 &&
474 !ircd_strncmp(fields[1], "ON", strlen(fields[1]))))
476 else if (!ircd_strncmp(fields[1], "FALSE", strlen(fields[1])) ||
477 !ircd_strncmp(fields[1], "NO", strlen(fields[1])) ||
478 (strlen(fields[1]) >= 2 &&
479 !ircd_strncmp(fields[1], "OFF", strlen(fields[1]))))
481 else if (from) /* report an error... */
482 return send_reply(from, ERR_BADFEATVALUE, fields[1], feat->type);
484 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"%s\" for feature %s",
485 fields[1], feat->type);
489 if (feat->v_int == feat->def_int) /* figure out whether to mark it */
490 feat->flags &= ~FEAT_MARK;
492 feat->flags |= FEAT_MARK;
495 if (feat->v_int != tmp) /* check for change */
499 case FEAT_STR: /* it's a string value */
501 t_str = feat->def_str; /* changing to default */
503 t_str = *fields[1] ? fields[1] : 0;
505 if (!t_str && !(feat->flags & FEAT_NULL)) { /* NULL value permitted? */
507 return send_reply(from, ERR_BADFEATVALUE, "NULL", feat->type);
509 log_write(LS_CONFIG, L_ERROR, 0, "Bad value \"NULL\" for feature %s",
515 if (t_str == feat->def_str ||
516 (t_str && feat->def_str &&
517 !(feat->flags & FEAT_CASE ? strcmp(t_str, feat->def_str) :
518 ircd_strcmp(t_str, feat->def_str)))) { /* resetting to default */
519 if (feat->v_str != feat->def_str) {
520 change++; /* change from previous value */
523 MyFree(feat->v_str); /* free old value */
526 feat->v_str = feat->def_str; /* very special... */
528 feat->flags &= ~FEAT_MARK;
531 change++; /* change from previous value */
533 if (feat->v_str != feat->def_str)
534 MyFree(feat->v_str); /* free old value */
537 feat->v_str = 0; /* set it to NULL */
539 feat->flags |= FEAT_MARK;
540 } else if (!feat->v_str ||
541 (feat->flags & FEAT_CASE ? strcmp(t_str, feat->v_str) :
542 ircd_strcmp(t_str, feat->v_str))) { /* new value */
543 change++; /* change from previous value */
545 if (feat->v_str && feat->v_str != feat->def_str)
546 MyFree(feat->v_str); /* free old value */
547 DupString(feat->v_str, t_str); /* store new value */
549 feat->flags |= FEAT_MARK;
550 } else /* they match, but don't match the default */
551 feat->flags |= FEAT_MARK;
555 if (change && feat->notify) /* call change notify function */
562 /* reset a feature to its default values */
564 feature_reset(struct Client* from, const char* const* fields, int count)
567 struct FeatureDesc *feat;
571 if (!HasPriv(from, PRIV_SET))
572 return send_reply(from, ERR_NOPRIVILEGES);
574 if (count < 1) /* check arguments */
575 need_more_params(from, "RESET");
576 else if ((feat = feature_desc(from, fields[0]))) { /* get descriptor */
577 if (from && feat->flags & FEAT_READ)
578 return send_reply(from, ERR_NOFEATURE, fields[0]);
580 switch (feat->flags & FEAT_MASK) {
581 case FEAT_NONE: /* None... */
582 if (feat->reset && (i = (*feat->reset)(from, fields + 1, count - 1))) {
583 change++; /* feature handler wants a change recorded */
585 if (i > 0) /* call reset callback and parse mark return */
586 feat->flags |= FEAT_MARK;
588 feat->flags &= ~FEAT_MARK;
592 case FEAT_INT: /* Integer... */
593 case FEAT_BOOL: /* Boolean... */
594 if (feat->v_int != feat->def_int)
595 change++; /* change will be made */
597 feat->v_int = feat->def_int; /* set the default */
598 feat->flags &= ~FEAT_MARK; /* unmark it */
601 case FEAT_STR: /* string! */
602 if (feat->v_str != feat->def_str) {
603 change++; /* change has been made */
605 MyFree(feat->v_str); /* free old value */
608 feat->v_str = feat->def_str; /* set it to default */
609 feat->flags &= ~FEAT_MARK; /* unmark it */
613 if (change && feat->notify) /* call change notify function */
620 /* Gets the value of a specific feature and reports it to the user */
622 feature_get(struct Client* from, const char* const* fields, int count)
624 struct FeatureDesc *feat;
628 if (count < 1) /* check parameters */
629 need_more_params(from, "GET");
630 else if ((feat = feature_desc(from, fields[0]))) {
631 if ((feat->flags & FEAT_NODISP) ||
632 (feat->flags & FEAT_MYOPER && !MyOper(from)) ||
633 (feat->flags & FEAT_OPER && !IsAnOper(from))) /* check privs */
634 return send_reply(from, ERR_NOPRIVILEGES);
636 switch (feat->flags & FEAT_MASK) {
637 case FEAT_NONE: /* none, call the callback... */
638 if (feat->get) /* if there's a callback, use it */
639 (*feat->get)(from, fields + 1, count - 1);
642 case FEAT_INT: /* integer, report integer value */
643 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
644 ":Integer value of %s: %d", feat->type, feat->v_int);
647 case FEAT_BOOL: /* boolean, report boolean value */
648 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
649 ":Boolean value of %s: %s", feat->type,
650 feat->v_int ? "TRUE" : "FALSE");
653 case FEAT_STR: /* string, report string value */
654 if (feat->v_str) /* deal with null case */
655 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
656 ":String value of %s: %s", feat->type, feat->v_str);
658 send_reply(from, SND_EXPLICIT | RPL_FEATURE,
659 ":String value for %s not set", feat->type);
667 /* called before reading the .conf to clear all marks */
673 for (i = 0; features[i].type; i++) {
674 features[i].flags &= ~FEAT_MARK; /* clear the marks... */
675 if (features[i].unmark) /* call the unmark callback if necessary */
676 (*features[i].unmark)();
680 /* Called after reading the .conf to reset unmodified values to defaults */
686 for (i = 0; features[i].type; i++) {
689 switch (features[i].flags & FEAT_MASK) {
691 if (features[i].mark &&
692 (*features[i].mark)(features[i].flags & FEAT_MARK ? 1 : 0))
693 change++; /* feature handler wants a change recorded */
696 case FEAT_INT: /* Integers or Booleans... */
698 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
699 if (features[i].v_int != features[i].def_int)
700 change++; /* we're making a change */
701 features[i].v_int = features[i].def_int;
705 case FEAT_STR: /* strings... */
706 if (!(features[i].flags & FEAT_MARK)) { /* not changed? */
707 if (features[i].v_str != features[i].def_str) {
708 change++; /* we're making a change */
709 if (features[i].v_str)
710 MyFree(features[i].v_str); /* free old value */
712 features[i].v_str = features[i].def_str;
717 if (change && features[i].notify)
718 (*features[i].notify)(); /* call change notify function */
722 /* used to initialize the features subsystem */
728 for (i = 0; features[i].type; i++) {
729 switch (features[i].flags & FEAT_MASK) {
730 case FEAT_NONE: /* you're on your own */
733 case FEAT_INT: /* Integers or Booleans... */
735 features[i].v_int = features[i].def_int;
738 case FEAT_STR: /* Strings */
739 features[i].v_str = features[i].def_str;
740 assert(features[i].def_str || (features[i].flags & FEAT_NULL));
746 /* report all F-lines */
748 feature_report(struct Client* to, struct StatDesc* sd, int stat, char* param)
752 for (i = 0; features[i].type; i++) {
753 if ((features[i].flags & FEAT_NODISP) ||
754 (features[i].flags & FEAT_MYOPER && !MyOper(to)) ||
755 (features[i].flags & FEAT_OPER && !IsAnOper(to)))
756 continue; /* skip this one */
758 switch (features[i].flags & FEAT_MASK) {
760 if (features[i].report) /* let the callback handle this */
761 (*features[i].report)(to, features[i].flags & FEAT_MARK ? 1 : 0);
765 case FEAT_INT: /* Report an F-line with integer values */
766 if (features[i].flags & FEAT_MARK) /* it's been changed */
767 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %d",
768 features[i].type, features[i].v_int);
771 case FEAT_BOOL: /* Report an F-line with boolean values */
772 if (features[i].flags & FEAT_MARK) /* it's been changed */
773 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
774 features[i].type, features[i].v_int ? "TRUE" : "FALSE");
777 case FEAT_STR: /* Report an F-line with string values */
778 if (features[i].flags & FEAT_MARK) { /* it's been changed */
779 if (features[i].v_str)
780 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s %s",
781 features[i].type, features[i].v_str);
782 else /* Actually, F:<type> would reset it; you want F:<type>: */
783 send_reply(to, SND_EXPLICIT | RPL_STATSFLINE, "F %s",
791 /* return a feature's integer value */
793 feature_int(enum Feature feat)
795 assert(features[feat].feat == feat);
796 assert((features[feat].flags & FEAT_MASK) == FEAT_INT);
798 return features[feat].v_int;
801 /* return a feature's boolean value */
803 feature_bool(enum Feature feat)
805 assert(feat <= FEAT_LAST_F);
806 if (FEAT_LAST_F < feat)
808 assert(features[feat].feat == feat);
809 assert((features[feat].flags & FEAT_MASK) == FEAT_BOOL);
811 return features[feat].v_int;
814 /* return a feature's string value */
816 feature_str(enum Feature feat)
818 assert(features[feat].feat == feat);
819 assert((features[feat].flags & FEAT_MASK) == FEAT_STR);
821 return features[feat].v_str;