summaryrefslogtreecommitdiff
path: root/src/modules/m_check.cpp
blob: 33f950b4c21ed3a266d199108f1e9396c68d3421 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
 * See: http://wiki.inspircd.org/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"

/* $ModDesc: Provides the /check command to retrieve information on a user, channel, or IP address */

/** Handle /CHECK
 */
class CommandCheck : public Command
{
 public:
	CommandCheck (InspIRCd* Instance, Module* parent) : Command(Instance,parent,"CHECK", "o", 1)
	{
		syntax = "<nickname>|<ip>|<hostmask>|<channel> <server>";
	}

	std::string timestring(time_t time)
	{
		char timebuf[60];
		struct tm *mytime = gmtime(&time);
		strftime(timebuf, 59, "%Y-%m-%d %H:%M:%S UTC (%s)", mytime);
		return std::string(timebuf);
	}

	void dumpExt(User* user, std::string checkstr, Extensible* ext)
	{
		std::stringstream dumpkeys;
		for(ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++)
		{
			ExtensionItem* item = Extensible::GetItem(i->first);
			std::string value;
			if (item)
				value = item->serialize(creator, ext, i->second);
			if (value.empty())
				dumpkeys << " " << i->first;
			else
				ServerInstance->DumpText(user, checkstr + " meta:" + i->first + " " + value);
		}
		if (!dumpkeys.str().empty())
			ServerInstance->DumpText(user,checkstr + " metadata", dumpkeys);
	}

	CmdResult Handle (const std::vector<std::string> &parameters, User *user)
	{
		if (parameters.size() > 1 && parameters[1] != ServerInstance->Config->ServerName)
			return CMD_SUCCESS;

		User *targuser;
		Channel *targchan;
		std::string checkstr;
		std::string chliststr;

		checkstr = std::string(":") + ServerInstance->Config->ServerName + " 304 " + std::string(user->nick) + " :CHECK";

		targuser = ServerInstance->FindNick(parameters[0]);
		targchan = ServerInstance->FindChan(parameters[0]);

		/*
		 * Syntax of a /check reply:
		 *  :server.name 304 target :CHECK START <target>
		 *  :server.name 304 target :CHECK <field> <value>
		 *  :server.name 304 target :CHECK END
		 */

		ServerInstance->DumpText(user, checkstr + " START " + parameters[0]);

		if (targuser)
		{
			/* /check on a user */
			ServerInstance->DumpText(user, checkstr + " nuh " + targuser->GetFullHost());
			ServerInstance->DumpText(user, checkstr + " realnuh " + targuser->GetFullRealHost());
			ServerInstance->DumpText(user, checkstr + " realname " + targuser->fullname);
			ServerInstance->DumpText(user, checkstr + " modes +" + targuser->FormatModes());
			ServerInstance->DumpText(user, checkstr + " snomasks +" + targuser->FormatNoticeMasks());
			ServerInstance->DumpText(user, checkstr + " server " + targuser->server);
			ServerInstance->DumpText(user, checkstr + " uid " + targuser->uuid);
			ServerInstance->DumpText(user, checkstr + " signon " + timestring(targuser->signon));
			ServerInstance->DumpText(user, checkstr + " nickts " + timestring(targuser->age));
			if (IS_LOCAL(targuser))
				ServerInstance->DumpText(user, checkstr + " lastmsg " + timestring(targuser->idle_lastmsg));

			if (IS_AWAY(targuser))
			{
				/* user is away */
				ServerInstance->DumpText(user, checkstr + " awaytime " + timestring(targuser->awaytime));
				ServerInstance->DumpText(user, checkstr + " awaymsg " + targuser->awaymsg);
			}

			if (IS_OPER(targuser))
			{
				/* user is an oper of type ____ */
				ServerInstance->DumpText(user, checkstr + " opertype " + irc::Spacify(targuser->oper.c_str()));
			}

			if (IS_LOCAL(targuser))
			{
				ServerInstance->DumpText(user, checkstr + " clientaddr " + irc::sockets::satouser(&targuser->client_sa));
				ServerInstance->DumpText(user, checkstr + " serveraddr " + irc::sockets::satouser(&targuser->server_sa));

				std::string classname = targuser->GetClass()->name;
				if (!classname.empty())
					ServerInstance->DumpText(user, checkstr + " connectclass " + classname);
			}
			else
				ServerInstance->DumpText(user, checkstr + " onip " + targuser->GetIPString());

			chliststr = targuser->ChannelList(targuser);
			std::stringstream dump(chliststr);

			ServerInstance->DumpText(user,checkstr + " onchans", dump);

			dumpExt(user, checkstr, targuser);
		}
		else if (targchan)
		{
			/* /check on a channel */
			ServerInstance->DumpText(user, checkstr + " timestamp " + timestring(targchan->age));

			if (targchan->topic[0] != 0)
			{
				/* there is a topic, assume topic related information exists */
				ServerInstance->DumpText(user, checkstr + " topic " + targchan->topic);
				ServerInstance->DumpText(user, checkstr + " topic_setby " + targchan->setby);
				ServerInstance->DumpText(user, checkstr + " topic_setat " + timestring(targchan->topicset));
			}

			ServerInstance->DumpText(user, checkstr + " modes " + targchan->ChanModes(true));
			ServerInstance->DumpText(user, checkstr + " membercount " + ConvToStr(targchan->GetUserCounter()));

			/* now the ugly bit, spool current members of a channel. :| */

			const UserMembList *ulist= targchan->GetUsers();

			/* note that unlike /names, we do NOT check +i vs in the channel */
			for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
			{
				char tmpbuf[MAXBUF];
				/*
				 * Unlike Asuka, I define a clone as coming from the same host. --w00t
				 */
				snprintf(tmpbuf, MAXBUF, "%-3lu %s%s (%s@%s) %s ", ServerInstance->Users->GlobalCloneCount(i->first), targchan->GetAllPrefixChars(i->first), i->first->nick.c_str(), i->first->ident.c_str(), i->first->dhost.c_str(), i->first->fullname.c_str());
				ServerInstance->DumpText(user, checkstr + " member " + tmpbuf);
			}

			dumpExt(user, checkstr, targchan);
		}
		else
		{
			/*  /check on an IP address, or something that doesn't exist */
			long x = 0;

			/* hostname or other */
			for (user_hash::const_iterator a = ServerInstance->Users->clientlist->begin(); a != ServerInstance->Users->clientlist->end(); a++)
			{
				if (InspIRCd::Match(a->second->host, parameters[0], ascii_case_insensitive_map) || InspIRCd::Match(a->second->dhost, parameters[0], ascii_case_insensitive_map))
				{
					/* host or vhost matches mask */
					ServerInstance->DumpText(user, checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
				}
				/* IP address */
				else if (InspIRCd::MatchCIDR(a->second->GetIPString(), parameters[0]))
				{
					/* same IP. */
					ServerInstance->DumpText(user, checkstr + " match " + ConvToStr(++x) + " " + a->second->GetFullRealHost());
				}
			}

			ServerInstance->DumpText(user, checkstr + " matches " + ConvToStr(x));
		}

		ServerInstance->DumpText(user, checkstr + " END " + parameters[0]);

		return CMD_SUCCESS;
	}

	RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
	{
		if (parameters.size() > 1)
			return ROUTE_OPT_UCAST(parameters[1]);
		return ROUTE_LOCALONLY;
	}
};


class ModuleCheck : public Module
{
 private:
	CommandCheck mycommand;
 public:
	ModuleCheck(InspIRCd* Me) : Module(Me), mycommand(Me, this)
	{
		ServerInstance->AddCommand(&mycommand);
	}

	~ModuleCheck()
	{
	}

	Version GetVersion()
	{
		return Version("CHECK command, view user/channel details", VF_VENDOR|VF_OPTCOMMON);
	}

	std::string ProtoTranslate(Extensible* item)
	{
		User* u = dynamic_cast<User*>(item);
		Channel* c = dynamic_cast<Channel*>(item);
		if (u)
			return u->nick;
		if (c)
			return c->name;
		return "?";
	}
};

MODULE_INIT(ModuleCheck)