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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" | |
31 | #include "irc_string.h" | |
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 | ||
91 | free_cachefile(user_motd); | |
92 | user_motd = cache_file(MPATH, "ircd.motd", 0); | |
93 | } | |
94 | ||
95 | static void | |
96 | rehash_omotd(struct Client *source_p) | |
97 | { | |
98 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
99 | "%s is forcing re-reading of OPER MOTD file", | |
100 | get_oper_name(source_p)); | |
101 | ||
102 | free_cachefile(oper_motd); | |
103 | oper_motd = cache_file(OPATH, "opers.motd", 0); | |
104 | } | |
105 | ||
212380e3 AC |
106 | static void |
107 | rehash_tklines(struct Client *source_p) | |
108 | { | |
109 | struct ConfItem *aconf; | |
637c4932 | 110 | rb_dlink_node *ptr, *next_ptr; |
212380e3 AC |
111 | int i; |
112 | ||
113 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp klines", | |
114 | get_oper_name(source_p)); | |
115 | ||
116 | for(i = 0; i < LAST_TEMP_TYPE; i++) | |
117 | { | |
637c4932 | 118 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_klines[i].head) |
212380e3 AC |
119 | { |
120 | aconf = ptr->data; | |
121 | ||
122 | delete_one_address_conf(aconf->host, aconf); | |
555ac41f | 123 | rb_dlinkDestroy(ptr, &temp_klines[i]); |
212380e3 AC |
124 | } |
125 | } | |
126 | } | |
127 | ||
128 | static void | |
129 | rehash_tdlines(struct Client *source_p) | |
130 | { | |
131 | struct ConfItem *aconf; | |
637c4932 | 132 | rb_dlink_node *ptr, *next_ptr; |
212380e3 AC |
133 | int i; |
134 | ||
135 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp dlines", | |
136 | get_oper_name(source_p)); | |
137 | ||
138 | for(i = 0; i < LAST_TEMP_TYPE; i++) | |
139 | { | |
637c4932 | 140 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_dlines[i].head) |
212380e3 AC |
141 | { |
142 | aconf = ptr->data; | |
143 | ||
144 | delete_one_address_conf(aconf->host, aconf); | |
555ac41f | 145 | rb_dlinkDestroy(ptr, &temp_dlines[i]); |
212380e3 AC |
146 | } |
147 | } | |
148 | } | |
149 | ||
150 | static void | |
151 | rehash_txlines(struct Client *source_p) | |
152 | { | |
153 | struct ConfItem *aconf; | |
5b96d9a6 | 154 | rb_dlink_node *ptr; |
637c4932 | 155 | rb_dlink_node *next_ptr; |
212380e3 AC |
156 | |
157 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp xlines", | |
158 | get_oper_name(source_p)); | |
159 | ||
637c4932 | 160 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head) |
212380e3 AC |
161 | { |
162 | aconf = ptr->data; | |
163 | ||
164 | if(!aconf->hold) | |
165 | continue; | |
166 | ||
167 | free_conf(aconf); | |
555ac41f | 168 | rb_dlinkDestroy(ptr, &xline_conf_list); |
212380e3 AC |
169 | } |
170 | } | |
171 | ||
172 | static void | |
173 | rehash_tresvs(struct Client *source_p) | |
174 | { | |
175 | struct ConfItem *aconf; | |
5b96d9a6 | 176 | rb_dlink_node *ptr; |
637c4932 | 177 | rb_dlink_node *next_ptr; |
212380e3 AC |
178 | int i; |
179 | ||
180 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp resvs", | |
181 | get_oper_name(source_p)); | |
182 | ||
637c4932 | 183 | HASH_WALK_SAFE(i, R_MAX, ptr, next_ptr, resvTable) |
212380e3 AC |
184 | { |
185 | aconf = ptr->data; | |
186 | ||
187 | if(!aconf->hold) | |
188 | continue; | |
189 | ||
190 | free_conf(aconf); | |
555ac41f | 191 | rb_dlinkDestroy(ptr, &resvTable[i]); |
212380e3 AC |
192 | } |
193 | HASH_WALK_END | |
194 | ||
637c4932 | 195 | RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head) |
212380e3 AC |
196 | { |
197 | aconf = ptr->data; | |
198 | ||
199 | if(!aconf->hold) | |
200 | continue; | |
201 | ||
202 | free_conf(aconf); | |
555ac41f | 203 | rb_dlinkDestroy(ptr, &resv_conf_list); |
212380e3 AC |
204 | } |
205 | } | |
206 | ||
207 | static void | |
208 | rehash_rejectcache(struct Client *source_p) | |
209 | { | |
210 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing reject cache", | |
211 | get_oper_name(source_p)); | |
212 | flush_reject(); | |
213 | ||
214 | } | |
215 | ||
216 | static void | |
217 | rehash_help(struct Client *source_p) | |
218 | { | |
219 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
220 | "%s is forcing re-reading of HELP files", | |
221 | get_oper_name(source_p)); | |
212380e3 AC |
222 | load_help(); |
223 | } | |
224 | ||
225 | static void | |
226 | rehash_nickdelay(struct Client *source_p) | |
227 | { | |
228 | struct nd_entry *nd; | |
5b96d9a6 AC |
229 | rb_dlink_node *ptr; |
230 | rb_dlink_node *safe_ptr; | |
212380e3 AC |
231 | |
232 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
233 | "%s is clearing the nick delay table", | |
234 | get_oper_name(source_p)); | |
235 | ||
5b96d9a6 | 236 | RB_DLINK_FOREACH_SAFE(ptr, safe_ptr, nd_list.head) |
212380e3 AC |
237 | { |
238 | nd = ptr->data; | |
239 | ||
240 | free_nd_entry(nd); | |
241 | } | |
242 | } | |
243 | ||
244 | /* *INDENT-OFF* */ | |
245 | static struct hash_commands rehash_commands[] = | |
246 | { | |
247 | {"BANS", rehash_bans_loc }, | |
248 | {"DNS", rehash_dns }, | |
249 | {"MOTD", rehash_motd }, | |
250 | {"OMOTD", rehash_omotd }, | |
212380e3 AC |
251 | {"TKLINES", rehash_tklines }, |
252 | {"TDLINES", rehash_tdlines }, | |
253 | {"TXLINES", rehash_txlines }, | |
254 | {"TRESVS", rehash_tresvs }, | |
255 | {"REJECTCACHE", rehash_rejectcache }, | |
256 | {"HELP", rehash_help }, | |
257 | {"NICKDELAY", rehash_nickdelay }, | |
258 | {NULL, NULL } | |
259 | }; | |
260 | /* *INDENT-ON* */ | |
261 | ||
262 | static void | |
263 | do_rehash(struct Client *source_p, const char *type) | |
264 | { | |
265 | if (type != NULL) | |
266 | { | |
267 | int x; | |
268 | char cmdbuf[100]; | |
269 | ||
270 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
271 | x++) | |
272 | { | |
273 | if(irccmp(type, rehash_commands[x].cmd) == 0) | |
274 | { | |
275 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, | |
276 | source_p->name, rehash_commands[x].cmd); | |
277 | rehash_commands[x].handler(source_p); | |
278 | ilog(L_MAIN, "REHASH %s From %s[%s]", type, | |
279 | get_oper_name(source_p), source_p->sockhost); | |
280 | return; | |
281 | } | |
282 | } | |
283 | ||
284 | /* We are still here..we didn't match */ | |
285 | cmdbuf[0] = '\0'; | |
286 | for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL; | |
287 | x++) | |
288 | { | |
289 | strlcat(cmdbuf, " ", sizeof(cmdbuf)); | |
290 | strlcat(cmdbuf, rehash_commands[x].cmd, sizeof(cmdbuf)); | |
291 | } | |
5366977b | 292 | sendto_one_notice(source_p, ":rehash one of:%s", cmdbuf); |
212380e3 AC |
293 | } |
294 | else | |
295 | { | |
296 | sendto_one(source_p, form_str(RPL_REHASHING), me.name, source_p->name, | |
297 | ConfigFileEntry.configfile); | |
298 | sendto_realops_snomask(SNO_GENERAL, L_ALL, | |
299 | "%s is rehashing server config file", get_oper_name(source_p)); | |
300 | ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p), | |
301 | source_p->sockhost); | |
302 | rehash(0); | |
303 | } | |
304 | } | |
305 | ||
306 | /* | |
307 | * mo_rehash - REHASH message handler | |
308 | * | |
309 | * parv[1] = rehash type or destination | |
310 | * parv[2] = destination | |
311 | */ | |
312 | static int | |
313 | mo_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
314 | { | |
315 | const char *type = NULL, *target_server = NULL; | |
316 | ||
317 | if(!IsOperRehash(source_p)) | |
318 | { | |
319 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
320 | me.name, source_p->name, "rehash"); | |
321 | return 0; | |
322 | } | |
323 | ||
324 | if (parc > 2) | |
325 | type = parv[1], target_server = parv[2]; | |
326 | else if (parc > 1 && (strchr(parv[1], '.') || strchr(parv[1], '?') || strchr(parv[1], '*'))) | |
327 | type = NULL, target_server = parv[1]; | |
328 | else if (parc > 1) | |
329 | type = parv[1], target_server = NULL; | |
330 | else | |
331 | type = NULL, target_server = NULL; | |
332 | ||
333 | if (target_server != NULL) | |
334 | { | |
335 | if(!IsOperRemoteBan(source_p)) | |
336 | { | |
337 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
338 | me.name, source_p->name, "remoteban"); | |
339 | return 0; | |
340 | } | |
341 | sendto_match_servs(source_p, target_server, | |
342 | CAP_ENCAP, NOCAPS, | |
343 | "ENCAP %s REHASH %s", | |
344 | target_server, type != NULL ? type : ""); | |
345 | if (match(target_server, me.name) == 0) | |
346 | return 0; | |
347 | } | |
348 | ||
349 | do_rehash(source_p, type); | |
350 | ||
351 | return 0; | |
352 | } | |
353 | ||
354 | static int | |
355 | me_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
356 | { | |
357 | ||
358 | if (!IsPerson(source_p)) | |
359 | return 0; | |
360 | ||
361 | if (!find_shared_conf(source_p->username, source_p->host, | |
c88cdb00 | 362 | source_p->servptr->name, SHARED_REHASH)) |
212380e3 AC |
363 | return 0; |
364 | ||
365 | do_rehash(source_p, parc > 1 ? parv[1] : NULL); | |
366 | ||
367 | return 0; | |
368 | } |