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Annotation of ircnowd/src/ngircd/irc-metadata.c, Revision 1.1

1.1     ! tomglok     1: /*
        !             2:  * ngIRCd -- The Next Generation IRC Daemon
        !             3:  * Copyright (c)2001-2015 Alexander Barton (alex@barton.de) and Contributors.
        !             4:  *
        !             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.
        !            10:  */
        !            11:
        !            12: #define __irc_metadata_c__
        !            13:
        !            14: #include "portab.h"
        !            15:
        !            16: /**
        !            17:  * @file
        !            18:  * IRC metadata commands
        !            19:  */
        !            20:
        !            21: #include <assert.h>
        !            22: #include <strings.h>
        !            23: #include <stdio.h>
        !            24:
        !            25: #include "conn-func.h"
        !            26: #include "channel.h"
        !            27: #include "irc-macros.h"
        !            28: #include "irc-write.h"
        !            29: #include "log.h"
        !            30: #include "messages.h"
        !            31: #include "parse.h"
        !            32:
        !            33: #include "irc-metadata.h"
        !            34:
        !            35: /**
        !            36:  * Handler for the IRC+ "METADATA" command.
        !            37:  *
        !            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.
        !            41:  */
        !            42: GLOBAL bool
        !            43: IRC_METADATA(CLIENT *Client, REQUEST *Req)
        !            44: {
        !            45:        CLIENT *prefix, *target;
        !            46:        char new_flags[COMMAND_LEN];
        !            47:
        !            48:        assert(Client != NULL);
        !            49:        assert(Req != NULL);
        !            50:
        !            51:        _IRC_REQUIRE_PREFIX_OR_RETURN_(Client, Req)
        !            52:
        !            53:        prefix = Client_Search(Req->prefix);
        !            54:        if (!prefix)
        !            55:                return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
        !            56:                                          Client_ID(Client), Req->prefix);
        !            57:
        !            58:        target = Client_Search(Req->argv[0]);
        !            59:        if (!target)
        !            60:                return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
        !            61:                                          Client_ID(Client), Req->argv[0]);
        !            62:
        !            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]);
        !            66:
        !            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);
        !            72:        }
        !            73:
        !            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: */
        !            82:                return CONNECTED;
        !            83:        }
        !            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]);
        !            98:        else
        !            99:                Log(LOG_WARNING,
        !           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]);
        !           103:
        !           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]);
        !           107:        return CONNECTED;
        !           108: }