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212380e3 | 1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_rehash.c: Re-reads the configuration file. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
5366977b | 24 | * $Id: m_rehash.c 3161 2007-01-25 07:23:01Z nenolod $ |
212380e3 | 25 | */ |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "client.h" | |
29 | #include "channel.h" | |
30 | #include "common.h" | |
13ae2f4b | 31 | #include "match.h" |
212380e3 | 32 | #include "ircd.h" |
212380e3 | 33 | #include "s_serv.h" |
34 | #include "numeric.h" | |
35 | #include "res.h" | |
36 | #include "s_conf.h" | |
37 | #include "s_newconf.h" | |
d3455e2c | 38 | #include "logger.h" |
212380e3 | 39 | #include "send.h" |
40 | #include "msg.h" | |
41 | #include "parse.h" | |
42 | #include "modules.h" | |
43 | #include "hostmask.h" | |
44 | #include "reject.h" | |
45 | #include "hash.h" | |
46 | #include "cache.h" | |
47 | ||
48 | static int mo_rehash(struct Client *, struct Client *, int, const char **); | |
49 | static int me_rehash(struct Client *, struct Client *, int, const char **); | |
50 | ||
51 | struct Message rehash_msgtab = { | |
52 | "REHASH", 0, 0, 0, MFLG_SLOW, | |
53 | {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_rehash, 0}, {mo_rehash, 0}} | |
54 | }; | |
55 | ||
56 | mapi_clist_av1 rehash_clist[] = { &rehash_msgtab, NULL }; | |
5366977b | 57 | DECLARE_MODULE_AV1(rehash, NULL, NULL, rehash_clist, NULL, NULL, "$Revision: 3161 $"); |
212380e3 | 58 | |
59 | struct hash_commands | |
60 | { | |
61 | const char *cmd; | |
62 | void (*handler) (struct Client * source_p); | |
63 | }; | |
64 | ||
65 | static void | |
66 | rehash_bans_loc(struct Client *source_p) | |
67 | { | |
68 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing bans", | |
69 | get_oper_name(source_p)); | |
70 | ||
71 | rehash_bans(0); | |
72 | } | |
73 | ||
74 | static void | |
75 | rehash_dns(struct Client *source_p) | |
76 | { | |
77 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing DNS", | |
78 | get_oper_name(source_p)); | |
79 | ||
80 | /* reread /etc/resolv.conf and reopen res socket */ | |
81 | restart_resolver(); | |
82 | } | |
83 | ||
84 | static void | |
85 | rehash_motd(struct Client *source_p) | |
86 | { | |
87 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
88 | "%s is forcing re-reading of MOTD file", | |
89 | get_oper_name(source_p)); | |
90 | ||
a822ef29 | 91 | cache_user_motd(); |
212380e3 | 92 | } |
93 | ||
94 | static void | |
95 | rehash_omotd(struct Client *source_p) | |
96 | { | |
97 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
98 | "%s is forcing re-reading of OPER MOTD file", | |
99 | get_oper_name(source_p)); | |
100 | ||
101 | free_cachefile(oper_motd); | |
102 | oper_motd = cache_file(OPATH, "opers.motd", 0); | |
103 | } | |
104 | ||
212380e3 | 105 | static void |
106 | rehash_tklines(struct Client *source_p) | |
107 | { | |
108 | struct ConfItem *aconf; | |
90a3c35b | 109 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 110 | int i; |
111 | ||
112 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp klines", | |
113 | get_oper_name(source_p)); | |
114 | ||
115 | for(i = 0; i < LAST_TEMP_TYPE; i++) | |
116 | { | |
90a3c35b | 117 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_klines[i].head) |
212380e3 | 118 | { |
119 | aconf = ptr->data; | |
120 | ||
121 | delete_one_address_conf(aconf->host, aconf); | |
9f6c3353 | 122 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
212380e3 | 123 | } |
124 | } | |
125 | } | |
126 | ||
127 | static void | |
128 | rehash_tdlines(struct Client *source_p) | |
129 | { | |
130 | struct ConfItem *aconf; | |
90a3c35b | 131 | rb_dlink_node *ptr, *next_ptr; |
212380e3 | 132 | int i; |
133 | ||
134 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp dlines", | |
135 | get_oper_name(source_p)); | |
136 | ||
137 | for(i = 0; i < LAST_TEMP_TYPE; i++) | |
138 | { | |
90a3c35b | 139 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_dlines[i].head) |
212380e3 | 140 | { |
141 | aconf = ptr->data; | |
142 | ||
143 | delete_one_address_conf(aconf->host, aconf); | |
9f6c3353 | 144 | rb_dlinkDestroy(ptr, &temp_dlines[i]); |
212380e3 | 145 | } |
146 | } | |
147 | } | |
148 | ||
149 | static void | |
150 | rehash_txlines(struct Client *source_p) | |
151 | { | |
152 | struct ConfItem *aconf; | |
08d11e34 | 153 | rb_dlink_node *ptr; |
90a3c35b | 154 | rb_dlink_node *next_ptr; |
212380e3 | 155 | |
156 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp xlines", | |
157 | get_oper_name(source_p)); | |
158 | ||
90a3c35b | 159 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) |
212380e3 | 160 | { |
161 | aconf = ptr->data; | |
162 | ||
163 | if(!aconf->hold) | |
164 | continue; | |
165 | ||
166 | free_conf(aconf); | |
9f6c3353 | 167 | rb_dlinkDestroy(ptr, &xline_conf_list); |
212380e3 | 168 | } |
169 | } | |
170 | ||
171 | static void | |
172 | rehash_tresvs(struct Client *source_p) | |
173 | { | |
174 | struct ConfItem *aconf; | |
08d11e34 | 175 | rb_dlink_node *ptr; |
90a3c35b | 176 | rb_dlink_node *next_ptr; |
212380e3 | 177 | int i; |
178 | ||
179 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp resvs", | |
180 | get_oper_name(source_p)); | |
181 | ||
90a3c35b | 182 | HASH_WALK_SAFE(i, R_MAX, ptr, next_ptr, resvTable) |
212380e3 | 183 | { |
184 | aconf = ptr->data; | |
185 | ||
186 | if(!aconf->hold) | |
187 | continue; | |
188 | ||
189 | free_conf(aconf); | |
9f6c3353 | 190 | rb_dlinkDestroy(ptr, &resvTable[i]); |
212380e3 | 191 | } |
192 | HASH_WALK_END | |
193 | ||
90a3c35b | 194 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) |
212380e3 | 195 | { |
196 | aconf = ptr->data; | |
197 | ||
198 | if(!aconf->hold) | |
199 | continue; | |
200 | ||
201 | free_conf(aconf); | |
9f6c3353 | 202 | rb_dlinkDestroy(ptr, &resv_conf_list); |
212380e3 | 203 | } |
204 | } | |
205 | ||
206 | static void | |
207 | rehash_rejectcache(struct Client *source_p) | |
208 | { | |
209 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing reject cache", | |
210 | get_oper_name(source_p)); | |
211 | flush_reject(); | |
212 | ||
213 | } | |
214 | ||
0b1e46f5 JT |
215 | static void |
216 | rehash_throttles(struct Client *source_p) | |
217 | { | |
218 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing throttles", | |
219 | get_oper_name(source_p)); | |
220 | flush_throttle(); | |
221 | ||
222 | } | |
223 | ||
212380e3 | 224 | static void |
225 | rehash_help(struct Client *source_p) | |
226 | { | |
227 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
228 | "%s is forcing re-reading of HELP files", | |
229 | get_oper_name(source_p)); | |
212380e3 | 230 | load_help(); |
231 | } | |
232 | ||
233 | static void | |
234 | rehash_nickdelay(struct Client *source_p) | |
235 | { | |
236 | struct nd_entry *nd; | |
08d11e34 WP |
237 | rb_dlink_node *ptr; |
238 | rb_dlink_node *safe_ptr; | |
212380e3 | 239 | |
240 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
241 | "%s is clearing the nick delay table", | |
242 | get_oper_name(source_p)); | |
243 | ||
08d11e34 | 244 | RB_DLINK_FOREACH_SAFE(ptr, safe_ptr, nd_list.head) |
212380e3 | 245 | { |
246 | nd = ptr->data; | |
247 | ||
248 | free_nd_entry(nd); | |
249 | } | |
250 | } | |
251 | ||
252 | /* *INDENT-OFF* */ | |
253 | static struct hash_commands rehash_commands[] = | |
254 | { | |
255 | {"BANS", rehash_bans_loc }, | |
256 | {"DNS", rehash_dns }, | |
257 | {"MOTD", rehash_motd }, | |
258 | {"OMOTD", rehash_omotd }, | |
212380e3 | 259 | {"TKLINES", rehash_tklines }, |
260 | {"TDLINES", rehash_tdlines }, | |
261 | {"TXLINES", rehash_txlines }, | |
262 | {"TRESVS", rehash_tresvs }, | |
263 | {"REJECTCACHE", rehash_rejectcache }, | |
0b1e46f5 | 264 | {"THROTTLES", rehash_throttles }, |
212380e3 | 265 | {"HELP", rehash_help }, |
266 | {"NICKDELAY", rehash_nickdelay }, | |
267 | {NULL, NULL } | |
268 | }; | |
269 | /* *INDENT-ON* */ | |
270 | ||
271 | static void | |
272 | do_rehash(struct Client *source_p, const char *type) | |
273 | { | |
274 | if (type != NULL) | |
275 | { | |
276 | int x; | |
277 | char cmdbuf[100]; | |
278 | ||
279 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
280 | x++) | |
281 | { | |
282 | if(irccmp(type, rehash_commands[x].cmd) == 0) | |
283 | { | |
284 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, | |
285 | source_p->name, rehash_commands[x].cmd); | |
286 | rehash_commands[x].handler(source_p); | |
287 | ilog(L_MAIN, "REHASH %s From %s[%s]", type, | |
288 | get_oper_name(source_p), source_p->sockhost); | |
289 | return; | |
290 | } | |
291 | } | |
292 | ||
293 | /* We are still here..we didn't match */ | |
294 | cmdbuf[0] = '\0'; | |
295 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
296 | x++) | |
297 | { | |
a64c5173 VY |
298 | rb_strlcat(cmdbuf, " ", sizeof(cmdbuf)); |
299 | rb_strlcat(cmdbuf, rehash_commands[x].cmd, sizeof(cmdbuf)); | |
212380e3 | 300 | } |
5366977b | 301 | sendto_one_notice(source_p, ":rehash one of:%s", cmdbuf); |
212380e3 | 302 | } |
303 | else | |
304 | { | |
305 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, source_p->name, | |
306 | ConfigFileEntry.configfile); | |
307 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
308 | "%s is rehashing server config file", get_oper_name(source_p)); | |
309 | ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p), | |
310 | source_p->sockhost); | |
311 | rehash(0); | |
312 | } | |
313 | } | |
314 | ||
315 | /* | |
316 | * mo_rehash - REHASH message handler | |
317 | * | |
318 | * parv[1] = rehash type or destination | |
319 | * parv[2] = destination | |
320 | */ | |
321 | static int | |
322 | mo_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
323 | { | |
324 | const char *type = NULL, *target_server = NULL; | |
325 | ||
326 | if(!IsOperRehash(source_p)) | |
327 | { | |
328 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
329 | me.name, source_p->name, "rehash"); | |
330 | return 0; | |
331 | } | |
332 | ||
333 | if (parc > 2) | |
334 | type = parv[1], target_server = parv[2]; | |
335 | else if (parc > 1 && (strchr(parv[1], '.') || strchr(parv[1], '?') || strchr(parv[1], '*'))) | |
336 | type = NULL, target_server = parv[1]; | |
337 | else if (parc > 1) | |
338 | type = parv[1], target_server = NULL; | |
339 | else | |
340 | type = NULL, target_server = NULL; | |
341 | ||
342 | if (target_server != NULL) | |
343 | { | |
344 | if(!IsOperRemoteBan(source_p)) | |
345 | { | |
346 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
347 | me.name, source_p->name, "remoteban"); | |
348 | return 0; | |
349 | } | |
350 | sendto_match_servs(source_p, target_server, | |
351 | CAP_ENCAP, NOCAPS, | |
352 | "ENCAP %s REHASH %s", | |
353 | target_server, type != NULL ? type : ""); | |
354 | if (match(target_server, me.name) == 0) | |
355 | return 0; | |
356 | } | |
357 | ||
358 | do_rehash(source_p, type); | |
359 | ||
360 | return 0; | |
361 | } | |
362 | ||
363 | static int | |
364 | me_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
365 | { | |
366 | ||
367 | if (!IsPerson(source_p)) | |
368 | return 0; | |
369 | ||
370 | if (!find_shared_conf(source_p->username, source_p->host, | |
c88cdb00 | 371 | source_p->servptr->name, SHARED_REHASH)) |
212380e3 | 372 | return 0; |
373 | ||
1ba28171 | 374 | remote_rehash_oper_p = source_p; |
212380e3 | 375 | do_rehash(source_p, parc > 1 ? parv[1] : NULL); |
1ba28171 | 376 | remote_rehash_oper_p = NULL; |
212380e3 | 377 | |
378 | return 0; | |
379 | } |