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1 | /* | |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_whois.c: Shows who a user was. | |
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 | * $Id: m_whowas.c 1717 2006-07-04 14:41:11Z jilles $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "whowas.h" | |
29 | #include "client.h" | |
30 | #include "common.h" | |
31 | #include "hash.h" | |
32 | #include "irc_string.h" | |
33 | #include "ircd.h" | |
34 | #include "ircd_defs.h" | |
35 | #include "numeric.h" | |
36 | #include "s_serv.h" | |
37 | #include "s_user.h" | |
38 | #include "send.h" | |
39 | #include "s_conf.h" | |
40 | #include "msg.h" | |
41 | #include "parse.h" | |
42 | #include "modules.h" | |
43 | ||
44 | static int m_whowas(struct Client *, struct Client *, int, const char **); | |
45 | ||
46 | struct Message whowas_msgtab = { | |
47 | "WHOWAS", 0, 0, 0, MFLG_SLOW, | |
48 | {mg_unreg, {m_whowas, 2}, mg_ignore, mg_ignore, mg_ignore, {m_whowas, 2}} | |
49 | }; | |
50 | ||
51 | mapi_clist_av1 whowas_clist[] = { &whowas_msgtab, NULL }; | |
52 | DECLARE_MODULE_AV1(whowas, NULL, NULL, whowas_clist, NULL, NULL, "$Revision: 1717 $"); | |
53 | ||
54 | /* | |
55 | ** m_whowas | |
56 | ** parv[0] = sender prefix | |
57 | ** parv[1] = nickname queried | |
58 | */ | |
59 | static int | |
60 | m_whowas(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
61 | { | |
62 | struct Whowas *temp; | |
63 | int cur = 0; | |
64 | int max = -1, found = 0; | |
65 | char *p; | |
66 | const char *nick; | |
67 | ||
68 | static time_t last_used = 0L; | |
69 | ||
70 | if(!IsOper(source_p)) | |
71 | { | |
72 | if((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime) | |
73 | { | |
74 | sendto_one(source_p, form_str(RPL_LOAD2HI), | |
75 | me.name, source_p->name, "WHOWAS"); | |
76 | sendto_one(source_p, form_str(RPL_ENDOFWHOWAS), | |
77 | me.name, source_p->name, parv[1]); | |
78 | return 0; | |
79 | } | |
80 | else | |
81 | last_used = CurrentTime; | |
82 | } | |
83 | ||
84 | ||
85 | if(parc > 2) | |
86 | max = atoi(parv[2]); | |
87 | ||
88 | #if 0 | |
89 | if(parc > 3) | |
90 | if(hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3, parc, parv)) | |
91 | return 0; | |
92 | #endif | |
93 | ||
94 | if((p = strchr(parv[1], ','))) | |
95 | *p = '\0'; | |
96 | ||
97 | nick = parv[1]; | |
98 | ||
99 | temp = WHOWASHASH[hash_whowas_name(nick)]; | |
100 | found = 0; | |
101 | for (; temp; temp = temp->next) | |
102 | { | |
103 | if(!irccmp(nick, temp->name)) | |
104 | { | |
105 | sendto_one(source_p, form_str(RPL_WHOWASUSER), | |
106 | me.name, source_p->name, temp->name, | |
107 | temp->username, temp->hostname, temp->realname); | |
108 | if (MyOper(source_p) && !EmptyString(temp->sockhost)) | |
109 | #if 0 | |
110 | sendto_one(source_p, form_str(RPL_WHOWASREAL), | |
111 | me.name, source_p->name, temp->name, | |
112 | "<untracked>", temp->sockhost); | |
113 | #else | |
114 | sendto_one_numeric(source_p, RPL_WHOISACTUALLY, | |
115 | form_str(RPL_WHOISACTUALLY), | |
116 | temp->name, temp->sockhost); | |
117 | #endif | |
118 | sendto_one_numeric(source_p, RPL_WHOISSERVER, | |
119 | form_str(RPL_WHOISSERVER), | |
120 | temp->name, temp->servername, | |
121 | myctime(temp->logoff)); | |
122 | cur++; | |
123 | found++; | |
124 | } | |
125 | if(max > 0 && cur >= max) | |
126 | break; | |
127 | } | |
128 | ||
129 | if(!found) | |
130 | sendto_one(source_p, form_str(ERR_WASNOSUCHNICK), | |
131 | me.name, source_p->name, nick); | |
132 | ||
133 | sendto_one(source_p, form_str(RPL_ENDOFWHOWAS), | |
134 | me.name, source_p->name, parv[1]); | |
135 | return 0; | |
136 | } |