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212380e3 AC |
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 AC |
25 | */ |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "client.h" | |
29 | #include "channel.h" | |
30 | #include "common.h" | |
4562c604 | 31 | #include "match.h" |
212380e3 | 32 | #include "ircd.h" |
212380e3 AC |
33 | #include "s_serv.h" |
34 | #include "numeric.h" | |
35 | #include "res.h" | |
36 | #include "s_conf.h" | |
37 | #include "s_newconf.h" | |
4016731b | 38 | #include "logger.h" |
212380e3 AC |
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 AC |
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 | ||
041d54ff | 91 | cache_user_motd(); |
212380e3 AC |
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 AC |
105 | static void |
106 | rehash_tklines(struct Client *source_p) | |
107 | { | |
108 | struct ConfItem *aconf; | |
637c4932 | 109 | rb_dlink_node *ptr, *next_ptr; |
212380e3 AC |
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 | { | |
637c4932 | 117 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_klines[i].head) |
212380e3 AC |
118 | { |
119 | aconf = ptr->data; | |
120 | ||
121 | delete_one_address_conf(aconf->host, aconf); | |
555ac41f | 122 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
212380e3 AC |
123 | } |
124 | } | |
125 | } | |
126 | ||
127 | static void | |
128 | rehash_tdlines(struct Client *source_p) | |
129 | { | |
130 | struct ConfItem *aconf; | |
637c4932 | 131 | rb_dlink_node *ptr, *next_ptr; |
212380e3 AC |
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 | { | |
637c4932 | 139 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_dlines[i].head) |
212380e3 AC |
140 | { |
141 | aconf = ptr->data; | |
142 | ||
143 | delete_one_address_conf(aconf->host, aconf); | |
555ac41f | 144 | rb_dlinkDestroy(ptr, &temp_dlines[i]); |
212380e3 AC |
145 | } |
146 | } | |
147 | } | |
148 | ||
149 | static void | |
150 | rehash_txlines(struct Client *source_p) | |
151 | { | |
152 | struct ConfItem *aconf; | |
5b96d9a6 | 153 | rb_dlink_node *ptr; |
637c4932 | 154 | rb_dlink_node *next_ptr; |
212380e3 AC |
155 | |
156 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp xlines", | |
157 | get_oper_name(source_p)); | |
158 | ||
637c4932 | 159 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) |
212380e3 AC |
160 | { |
161 | aconf = ptr->data; | |
162 | ||
163 | if(!aconf->hold) | |
164 | continue; | |
165 | ||
166 | free_conf(aconf); | |
555ac41f | 167 | rb_dlinkDestroy(ptr, &xline_conf_list); |
212380e3 AC |
168 | } |
169 | } | |
170 | ||
171 | static void | |
172 | rehash_tresvs(struct Client *source_p) | |
173 | { | |
174 | struct ConfItem *aconf; | |
5b96d9a6 | 175 | rb_dlink_node *ptr; |
637c4932 | 176 | rb_dlink_node *next_ptr; |
212380e3 AC |
177 | int i; |
178 | ||
179 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp resvs", | |
180 | get_oper_name(source_p)); | |
181 | ||
637c4932 | 182 | HASH_WALK_SAFE(i, R_MAX, ptr, next_ptr, resvTable) |
212380e3 AC |
183 | { |
184 | aconf = ptr->data; | |
185 | ||
186 | if(!aconf->hold) | |
187 | continue; | |
188 | ||
189 | free_conf(aconf); | |
555ac41f | 190 | rb_dlinkDestroy(ptr, &resvTable[i]); |
212380e3 AC |
191 | } |
192 | HASH_WALK_END | |
193 | ||
637c4932 | 194 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) |
212380e3 AC |
195 | { |
196 | aconf = ptr->data; | |
197 | ||
198 | if(!aconf->hold) | |
199 | continue; | |
200 | ||
201 | free_conf(aconf); | |
555ac41f | 202 | rb_dlinkDestroy(ptr, &resv_conf_list); |
212380e3 AC |
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 | ||
215 | static void | |
216 | rehash_help(struct Client *source_p) | |
217 | { | |
218 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
219 | "%s is forcing re-reading of HELP files", | |
220 | get_oper_name(source_p)); | |
212380e3 AC |
221 | load_help(); |
222 | } | |
223 | ||
224 | static void | |
225 | rehash_nickdelay(struct Client *source_p) | |
226 | { | |
227 | struct nd_entry *nd; | |
5b96d9a6 AC |
228 | rb_dlink_node *ptr; |
229 | rb_dlink_node *safe_ptr; | |
212380e3 AC |
230 | |
231 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
232 | "%s is clearing the nick delay table", | |
233 | get_oper_name(source_p)); | |
234 | ||
5b96d9a6 | 235 | RB_DLINK_FOREACH_SAFE(ptr, safe_ptr, nd_list.head) |
212380e3 AC |
236 | { |
237 | nd = ptr->data; | |
238 | ||
239 | free_nd_entry(nd); | |
240 | } | |
241 | } | |
242 | ||
243 | /* *INDENT-OFF* */ | |
244 | static struct hash_commands rehash_commands[] = | |
245 | { | |
246 | {"BANS", rehash_bans_loc }, | |
247 | {"DNS", rehash_dns }, | |
248 | {"MOTD", rehash_motd }, | |
249 | {"OMOTD", rehash_omotd }, | |
212380e3 AC |
250 | {"TKLINES", rehash_tklines }, |
251 | {"TDLINES", rehash_tdlines }, | |
252 | {"TXLINES", rehash_txlines }, | |
253 | {"TRESVS", rehash_tresvs }, | |
254 | {"REJECTCACHE", rehash_rejectcache }, | |
255 | {"HELP", rehash_help }, | |
256 | {"NICKDELAY", rehash_nickdelay }, | |
257 | {NULL, NULL } | |
258 | }; | |
259 | /* *INDENT-ON* */ | |
260 | ||
261 | static void | |
262 | do_rehash(struct Client *source_p, const char *type) | |
263 | { | |
264 | if (type != NULL) | |
265 | { | |
266 | int x; | |
267 | char cmdbuf[100]; | |
268 | ||
269 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
270 | x++) | |
271 | { | |
272 | if(irccmp(type, rehash_commands[x].cmd) == 0) | |
273 | { | |
274 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, | |
275 | source_p->name, rehash_commands[x].cmd); | |
276 | rehash_commands[x].handler(source_p); | |
277 | ilog(L_MAIN, "REHASH %s From %s[%s]", type, | |
278 | get_oper_name(source_p), source_p->sockhost); | |
279 | return; | |
280 | } | |
281 | } | |
282 | ||
283 | /* We are still here..we didn't match */ | |
284 | cmdbuf[0] = '\0'; | |
285 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
286 | x++) | |
287 | { | |
1f9de103 VY |
288 | rb_strlcat(cmdbuf, " ", sizeof(cmdbuf)); |
289 | rb_strlcat(cmdbuf, rehash_commands[x].cmd, sizeof(cmdbuf)); | |
212380e3 | 290 | } |
5366977b | 291 | sendto_one_notice(source_p, ":rehash one of:%s", cmdbuf); |
212380e3 AC |
292 | } |
293 | else | |
294 | { | |
295 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, source_p->name, | |
296 | ConfigFileEntry.configfile); | |
297 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
298 | "%s is rehashing server config file", get_oper_name(source_p)); | |
299 | ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p), | |
300 | source_p->sockhost); | |
301 | rehash(0); | |
302 | } | |
303 | } | |
304 | ||
305 | /* | |
306 | * mo_rehash - REHASH message handler | |
307 | * | |
308 | * parv[1] = rehash type or destination | |
309 | * parv[2] = destination | |
310 | */ | |
311 | static int | |
312 | mo_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
313 | { | |
314 | const char *type = NULL, *target_server = NULL; | |
315 | ||
316 | if(!IsOperRehash(source_p)) | |
317 | { | |
318 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
319 | me.name, source_p->name, "rehash"); | |
320 | return 0; | |
321 | } | |
322 | ||
323 | if (parc > 2) | |
324 | type = parv[1], target_server = parv[2]; | |
325 | else if (parc > 1 && (strchr(parv[1], '.') || strchr(parv[1], '?') || strchr(parv[1], '*'))) | |
326 | type = NULL, target_server = parv[1]; | |
327 | else if (parc > 1) | |
328 | type = parv[1], target_server = NULL; | |
329 | else | |
330 | type = NULL, target_server = NULL; | |
331 | ||
332 | if (target_server != NULL) | |
333 | { | |
334 | if(!IsOperRemoteBan(source_p)) | |
335 | { | |
336 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
337 | me.name, source_p->name, "remoteban"); | |
338 | return 0; | |
339 | } | |
340 | sendto_match_servs(source_p, target_server, | |
341 | CAP_ENCAP, NOCAPS, | |
342 | "ENCAP %s REHASH %s", | |
343 | target_server, type != NULL ? type : ""); | |
344 | if (match(target_server, me.name) == 0) | |
345 | return 0; | |
346 | } | |
347 | ||
348 | do_rehash(source_p, type); | |
349 | ||
350 | return 0; | |
351 | } | |
352 | ||
353 | static int | |
354 | me_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
355 | { | |
356 | ||
357 | if (!IsPerson(source_p)) | |
358 | return 0; | |
359 | ||
360 | if (!find_shared_conf(source_p->username, source_p->host, | |
c88cdb00 | 361 | source_p->servptr->name, SHARED_REHASH)) |
212380e3 AC |
362 | return 0; |
363 | ||
364 | do_rehash(source_p, parc > 1 ? parv[1] : NULL); | |
365 | ||
366 | return 0; | |
367 | } |