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Implement METADATA command to update client metadata

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The METADATA command can be used by other servers to update "metadata"
of registered clients, like the client info text ("real name"), user
name, and hostname:

  :<prefix> METADATA <target> <key> :<value>

It is distributed in the network, unknown <key> names are silently ignored
and passed on, too. This allows for further extensions.
This commit is contained in:
Alexander Barton 2012-11-05 23:34:21 +01:00
parent 79731a57f3
commit 35ed57e6c1
5 changed files with 127 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
contrib/MacOSX/ngIRCd.xcodeproj/project.pbxproj
View File

@ -36,6 +36,7 @@
FA322DBE0CEF7766001761B3 /* tool.c in Sources */ = {isa = PBXBuildFile; fileRef = FA322D330CEF74B1001761B3 /* tool.c */; };
FA322DC10CEF77CB001761B3 /* libz.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = FA322DC00CEF77CB001761B3 /* libz.dylib */; };
FA407F2E0DB159F400271AF1 /* ng_ipaddr.c in Sources */ = {isa = PBXBuildFile; fileRef = FA407F2C0DB159F400271AF1 /* ng_ipaddr.c */; };
FA4F165A164836B100DBD011 /* irc-metadata.c in Sources */ = {isa = PBXBuildFile; fileRef = FA4F1659164836B100DBD011 /* irc-metadata.c */; };
FA6BBC631605F0AC0004247A /* conn-encoding.c in Sources */ = {isa = PBXBuildFile; fileRef = FA6BBC5F1605F0AB0004247A /* conn-encoding.c */; };
FA6BBC641605F0AC0004247A /* irc-encoding.c in Sources */ = {isa = PBXBuildFile; fileRef = FA6BBC611605F0AC0004247A /* irc-encoding.c */; };
FA6BBC661605F6D60004247A /* libiconv.dylib in Frameworks */ = {isa = PBXBuildFile; fileRef = FA6BBC651605F6D60004247A /* libiconv.dylib */; };
@ -206,6 +207,8 @@
FA4B08E613E7F91700765BA3 /* ngIRCd-Logo.gif */ = {isa = PBXFileReference; lastKnownFileType = image.gif; path = "ngIRCd-Logo.gif"; sourceTree = "<group>"; };
FA4B08E713E7F91700765BA3 /* ngircd-redhat.init */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.script.sh; path = "ngircd-redhat.init"; sourceTree = "<group>"; };
FA4B08E813E7F91C00765BA3 /* platformtest.sh */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.script.sh; path = platformtest.sh; sourceTree = "<group>"; };
FA4F1659164836B100DBD011 /* irc-metadata.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "irc-metadata.c"; sourceTree = "<group>"; };
FA4F165C164836BF00DBD011 /* irc-metadata.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "irc-metadata.h"; sourceTree = "<group>"; };
FA6BBC5F1605F0AB0004247A /* conn-encoding.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "conn-encoding.c"; sourceTree = "<group>"; };
FA6BBC601605F0AC0004247A /* conn-encoding.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "conn-encoding.h"; sourceTree = "<group>"; };
FA6BBC611605F0AC0004247A /* irc-encoding.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = "irc-encoding.c"; sourceTree = "<group>"; };
@ -365,6 +368,8 @@
FA322CEF0CEF74B1001761B3 /* irc-info.h */,
FA322CF00CEF74B1001761B3 /* irc-login.c */,
FA322CF10CEF74B1001761B3 /* irc-login.h */,
FA4F1659164836B100DBD011 /* irc-metadata.c */,
FA4F165C164836BF00DBD011 /* irc-metadata.h */,
FA322CF20CEF74B1001761B3 /* irc-mode.c */,
FA322CF30CEF74B1001761B3 /* irc-mode.h */,
FA322CF40CEF74B1001761B3 /* irc-op.c */,
@ -766,6 +771,7 @@
FAD5853815272C2600328741 /* login.c in Sources */,
FA6BBC631605F0AC0004247A /* conn-encoding.c in Sources */,
FA6BBC641605F0AC0004247A /* irc-encoding.c in Sources */,
FA4F165A164836B100DBD011 /* irc-metadata.c in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

2
src/ngircd/defines.h
View File

@ -157,7 +157,7 @@
#ifdef IRCPLUS
/** Standard IRC+ flags. */
# define IRCPLUSFLAGS "CHLS"
# define IRCPLUSFLAGS "CHLMS"
#endif
/** Supported user modes. */

94
src/ngircd/irc-metadata.c Normal file
View File

@ -0,0 +1,94 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*/
#define __irc_metadata_c__
#include "portab.h"
/**
* @file
* IRC metadata commands
*/
#include "imp.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include "conn-func.h"
#include "channel.h"
#include "conn-encoding.h"
#include "irc-write.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
#include "tool.h"
#include "exp.h"
#include "irc-metadata.h"
/**
* Handler for the IRC+ "METADATA" command.
*
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED.
*/
GLOBAL bool
IRC_METADATA(CLIENT *Client, REQUEST *Req)
{
CLIENT *prefix, *target;
char new_flags[COMMAND_LEN];
assert(Client != NULL);
assert(Req != NULL);
if (Req->argc != 3)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
prefix = Client_Search(Req->prefix);
if (!prefix)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->prefix);
target = Client_Search(Req->argv[0]);
if (!target)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client), Req->argv[0]);
LogDebug("Got \"METADATA\" command from \"%s\" for client \"%s\": \"%s=%s\".",
Client_ID(Client), Client_ID(target),
Req->argv[1], Req->argv[2]);
/* Mark client: it has receiveda a METADATA command */
if (!strchr(Client_Flags(target), 'M')) {
snprintf(new_flags, sizeof new_flags, "%sM",
Client_Flags(target));
Client_SetFlags(target, new_flags);
}
if (*Req->argv[2] && strcasecmp(Req->argv[1], "host") == 0)
Client_SetHostname(target, Req->argv[2]);
else if (strcasecmp(Req->argv[1], "info") == 0)
Client_SetInfo(target, Req->argv[2]);
else if (*Req->argv[2] && strcasecmp(Req->argv[1], "user") == 0)
Client_SetUser(target, Req->argv[2], true);
else
Log(LOG_WARNING,
"Ignored metadata update from \"%s\" for client \"%s\": \"%s=%s\" - unknown key!",
Client_ID(Client), Client_ID(target),
Req->argv[1], Req->argv[2]);
IRC_WriteStrServersPrefixFlag(Client, prefix, 'M', "METADATA %s %s :%s",
Client_ID(target), Req->argv[1], Req->argv[2]);
return CONNECTED;
}

24
src/ngircd/irc-metadata.h Normal file
View File

@ -0,0 +1,24 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*/
#ifndef __irc_metadata_h__
#define __irc_metadata_h__
/**
* @file
* IRC metadata commands (header)
*/
GLOBAL bool IRC_METADATA PARAMS((CLIENT *Client, REQUEST *Req));
#endif
/* -eof- */

2
src/ngircd/parse.c
View File

@ -41,6 +41,7 @@
#include "irc-encoding.h"
#include "irc-info.h"
#include "irc-login.h"
#include "irc-metadata.h"
#include "irc-mode.h"
#include "irc-op.h"
#include "irc-oper.h"
@ -78,6 +79,7 @@ static COMMAND My_Commands[] =
{ "LINKS", IRC_LINKS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "LIST", IRC_LIST, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "LUSERS", IRC_LUSERS, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "METADATA", IRC_METADATA, CLIENT_SERVER, 0, 0, 0 },
{ "MODE", IRC_MODE, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "MOTD", IRC_MOTD, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },
{ "NAMES", IRC_NAMES, CLIENT_USER|CLIENT_SERVER, 0, 0, 0 },