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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_restart.c: Exits and re-runs ircd. | |
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 | */ | |
24 | ||
25 | #include "stdinc.h" | |
26 | #include "client.h" | |
27 | #include "match.h" | |
28 | #include "ircd.h" | |
29 | #include "numeric.h" | |
30 | #include "s_conf.h" | |
31 | #include "s_newconf.h" | |
32 | #include "restart.h" | |
33 | #include "logger.h" | |
34 | #include "send.h" | |
35 | #include "msg.h" | |
36 | #include "parse.h" | |
37 | #include "modules.h" | |
38 | #include "hash.h" | |
39 | ||
40 | static const char restart_desc[] = "Provides the RESTART command to restart the server"; | |
41 | ||
42 | static void mo_restart(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
43 | static void me_restart(struct MsgBuf *, struct Client *, struct Client *, int, const char **); | |
44 | static void do_restart(struct Client *source_p, const char *servername); | |
45 | ||
46 | struct Message restart_msgtab = { | |
47 | "RESTART", 0, 0, 0, 0, | |
48 | {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_restart, 1}, {mo_restart, 0}} | |
49 | }; | |
50 | ||
51 | mapi_clist_av1 restart_clist[] = { &restart_msgtab, NULL }; | |
52 | ||
53 | DECLARE_MODULE_AV2(restart, NULL, NULL, restart_clist, NULL, NULL, NULL, NULL, restart_desc); | |
54 | ||
55 | /* | |
56 | * mo_restart | |
57 | */ | |
58 | static void | |
59 | mo_restart(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
60 | { | |
61 | if(!IsOperDie(source_p)) | |
62 | { | |
63 | sendto_one(source_p, form_str(ERR_NOPRIVS), | |
64 | me.name, source_p->name, "die"); | |
65 | return; | |
66 | } | |
67 | ||
68 | if(parc < 2 || EmptyString(parv[1])) | |
69 | { | |
70 | sendto_one_notice(source_p, ":Need server name /restart %s", me.name); | |
71 | return; | |
72 | } | |
73 | ||
74 | if(parc > 2) | |
75 | { | |
76 | /* Remote restart. Pass it along. */ | |
77 | struct Client *server_p = find_server(NULL, parv[2]); | |
78 | if (!server_p) | |
79 | { | |
80 | sendto_one_numeric(source_p, ERR_NOSUCHSERVER, form_str(ERR_NOSUCHSERVER), parv[2]); | |
81 | return; | |
82 | } | |
83 | ||
84 | if (!IsMe(server_p)) | |
85 | { | |
86 | sendto_one(server_p, ":%s ENCAP %s RESTART %s", source_p->name, parv[2], parv[1]); | |
87 | return; | |
88 | } | |
89 | } | |
90 | ||
91 | do_restart(source_p, parv[1]); | |
92 | } | |
93 | ||
94 | static void | |
95 | me_restart(struct MsgBuf *msgbuf_p __unused, struct Client *client_p __unused, struct Client *source_p, int parc, const char *parv[]) | |
96 | { | |
97 | if(!find_shared_conf(source_p->username, source_p->host, source_p->servptr->name, SHARED_DIE)) | |
98 | { | |
99 | sendto_one_notice(source_p, ":*** You do not have an appropriate shared block to " | |
100 | "remotely restart this server."); | |
101 | return; | |
102 | } | |
103 | ||
104 | do_restart(source_p, parv[1]); | |
105 | } | |
106 | ||
107 | static void | |
108 | do_restart(struct Client *source_p, const char *servername) | |
109 | { | |
110 | char buf[BUFSIZE]; | |
111 | rb_dlink_node *ptr; | |
112 | struct Client *target_p; | |
113 | ||
114 | if(irccmp(servername, me.name)) | |
115 | { | |
116 | sendto_one_notice(source_p, ":Mismatch on /restart %s", me.name); | |
117 | return; | |
118 | } | |
119 | ||
120 | RB_DLINK_FOREACH(ptr, lclient_list.head) | |
121 | { | |
122 | target_p = ptr->data; | |
123 | ||
124 | sendto_one_notice(target_p, ":Server Restarting. %s", get_client_name(source_p, HIDE_IP)); | |
125 | } | |
126 | ||
127 | RB_DLINK_FOREACH(ptr, serv_list.head) | |
128 | { | |
129 | target_p = ptr->data; | |
130 | ||
131 | sendto_one(target_p, ":%s ERROR :Restart by %s", | |
132 | me.name, get_client_name(source_p, HIDE_IP)); | |
133 | } | |
134 | ||
135 | sprintf(buf, "Server RESTART by %s", get_client_name(source_p, HIDE_IP)); | |
136 | restart(buf); | |
137 | } |