2 * ngIRCd -- The Next Generation IRC Daemon
3 * Copyright (c)2001-2015 Alexander Barton (alex@barton.de) and Contributors.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 * Please read the file COPYING, README and AUTHORS for more information.
12 #define __irc_metadata_c__
18 * IRC metadata commands
25 #include "conn-func.h"
27 #include "irc-macros.h"
28 #include "irc-write.h"
33 #include "irc-metadata.h"
36 * Handler for the IRC+ "METADATA" command.
38 * @param Client The client from which this command has been received.
39 * @param Req Request structure with prefix and all parameters.
40 * @returns CONNECTED or DISCONNECTED.
43 IRC_METADATA(CLIENT *Client, REQUEST *Req)
45 CLIENT *prefix, *target;
46 char new_flags[COMMAND_LEN];
48 assert(Client != NULL);
51 _IRC_REQUIRE_PREFIX_OR_RETURN_(Client, Req)
53 prefix = Client_Search(Req->prefix);
55 return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
56 Client_ID(Client), Req->prefix);
58 target = Client_Search(Req->argv[0]);
60 return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
61 Client_ID(Client), Req->argv[0]);
63 LogDebug("Got \"METADATA\" command from \"%s\" for client \"%s\": \"%s=%s\".",
64 Client_ID(prefix), Client_ID(target),
65 Req->argv[1], Req->argv[2]);
67 /* Mark client: it has received a METADATA command */
68 if (!Client_HasFlag(target, 'M')) {
69 snprintf(new_flags, sizeof new_flags, "%sM",
70 Client_Flags(target));
71 Client_SetFlags(target, new_flags);
74 if (strcasecmp(Req->argv[1], "cloakhost") == 0) {
75 Client_UpdateCloakedHostname(target, prefix, Req->argv[2]);
76 if (Client_Conn(target) > NONE && Client_HasMode(target, 'x'))
77 IRC_WriteStrClientPrefix(target, prefix,
78 RPL_HOSTHIDDEN_MSG, Client_ID(target),
79 Client_HostnameDisplayed(target));
80 /* The Client_UpdateCloakedHostname() function already
81 * forwarded the METADATA command, don't do it twice: */
84 else if (*Req->argv[2] && strcasecmp(Req->argv[1], "host") == 0) {
85 Client_SetHostname(target, Req->argv[2]);
86 if (Client_Conn(target) > NONE && !Client_HasMode(target, 'x'))
87 IRC_WriteStrClientPrefix(target, prefix,
88 RPL_HOSTHIDDEN_MSG, Client_ID(target),
89 Client_HostnameDisplayed(target));
90 } else if (strcasecmp(Req->argv[1], "info") == 0)
91 Client_SetInfo(target, Req->argv[2]);
92 else if (*Req->argv[2] && strcasecmp(Req->argv[1], "user") == 0)
93 Client_SetUser(target, Req->argv[2], true);
94 else if (strcasecmp(Req->argv[1], "accountname") == 0)
95 Client_SetAccountName(target, Req->argv[2]);
96 else if (*Req->argv[2] && strcasecmp(Req->argv[1], "certfp") == 0)
97 Conn_SetCertFp(Client_Conn(target), Req->argv[2]);
100 "Ignored metadata update from \"%s\" for client \"%s\": \"%s=%s\" - unknown key!",
101 Client_ID(Client), Client_ID(target),
102 Req->argv[1], Req->argv[2]);
104 /* Forward the METADATA command to peers that support it: */
105 IRC_WriteStrServersPrefixFlag(Client, prefix, 'M', "METADATA %s %s :%s",
106 Client_ID(target), Req->argv[1], Req->argv[2]);