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Update irc-login.c to use irc-macros.h

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This includes code cleanups, too :-)
This commit is contained in:
Alexander Barton 2013-07-30 21:18:42 +02:00
parent 659d126460
commit f494023b0d
1 changed files with 59 additions and 128 deletions
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147
src/ngircd/irc-login.c
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@ -33,6 +33,7 @@
#include "parse.h" #include "parse.h"
#include "irc.h" #include "irc.h"
#include "irc-info.h" #include "irc-info.h"
#include "irc-macros.h"
#include "irc-write.h" #include "irc-write.h"
#include "exp.h" #include "exp.h"
@ -42,15 +43,12 @@ static void Kill_Nick PARAMS((char *Nick, char *Reason));
static void Change_Nick PARAMS((CLIENT * Origin, CLIENT * Target, char *NewNick, static void Change_Nick PARAMS((CLIENT * Origin, CLIENT * Target, char *NewNick,
bool InformClient)); bool InformClient));
/** /**
* Handler for the IRC "PASS" command. * Handler for the IRC "PASS" command.
* *
* See RFC 2813 section 4.1.1, and RFC 2812 section 3.1.1.
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_PASS( CLIENT *Client, REQUEST *Req ) IRC_PASS( CLIENT *Client, REQUEST *Req )
@ -167,19 +165,12 @@ IRC_PASS( CLIENT *Client, REQUEST *Req )
return CONNECTED; return CONNECTED;
} /* IRC_PASS */ } /* IRC_PASS */
/** /**
* Handler for the IRC "NICK" command. * Handler for the IRC "NICK" command.
* *
* See RFC 2812, 3.1.2 "Nick message", and RFC 2813, 4.1.3 "Nick".
*
* This function implements the IRC command "NICK" which is used to register
* with the server, to change already registered nicknames and to introduce
* new users which are connected to other servers.
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_NICK( CLIENT *Client, REQUEST *Req ) IRC_NICK( CLIENT *Client, REQUEST *Req )
@ -204,25 +195,17 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
|| (Client_Type(Client) == CLIENT_SERVER && Req->argc == 1)) || (Client_Type(Client) == CLIENT_SERVER && Req->argc == 1))
{ {
/* User registration or change of nickname */ /* User registration or change of nickname */
_IRC_ARGC_EQ_OR_RETURN_(Client, Req, 1)
/* Wrong number of arguments? */
if( Req->argc != 1 )
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID( Client ),
Req->command );
/* Search "target" client */ /* Search "target" client */
if( Client_Type( Client ) == CLIENT_SERVER ) if (Client_Type(Client) == CLIENT_SERVER) {
{ target = Client_Search(Req->prefix);
target = Client_Search( Req->prefix ); if (!target)
if( ! target )
return IRC_WriteStrClient( Client, return IRC_WriteStrClient( Client,
ERR_NOSUCHNICK_MSG, ERR_NOSUCHNICK_MSG,
Client_ID( Client ), Client_ID( Client ),
Req->argv[0] ); Req->argv[0] );
} } else {
else
{
/* Is this a restricted client? */ /* Is this a restricted client? */
if( Client_HasMode( Client, 'r' )) if( Client_HasMode( Client, 'r' ))
return IRC_WriteStrClient( Client, return IRC_WriteStrClient( Client,
@ -237,15 +220,14 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
* do anything. This is how the original ircd behaves and some * do anything. This is how the original ircd behaves and some
* clients (for example Snak) expect it to be like this. * clients (for example Snak) expect it to be like this.
* But I doubt that this is "really the right thing" ... */ * But I doubt that this is "really the right thing" ... */
if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 ) if (strcmp(Client_ID(target), Req->argv[0]) == 0)
return CONNECTED; return CONNECTED;
#endif #endif
/* Check that the new nickname is available. Special case: /* Check that the new nickname is available. Special case:
* the client only changes from/to upper to lower case. */ * the client only changes from/to upper to lower case. */
if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 ) if (strcasecmp(Client_ID(target), Req->argv[0]) != 0) {
{ if (!Client_CheckNick(target, Req->argv[0]))
if( ! Client_CheckNick( target, Req->argv[0] ))
return CONNECTED; return CONNECTED;
} }
@ -326,8 +308,7 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
/* Find the Server this client is connected to */ /* Find the Server this client is connected to */
intr_c = Client_GetFromToken(Client, token); intr_c = Client_GetFromToken(Client, token);
if( ! intr_c ) if (!intr_c) {
{
Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] ); Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0], "Unknown server" ); Kill_Nick( Req->argv[0], "Unknown server" );
return CONNECTED; return CONNECTED;
@ -335,11 +316,13 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
c = Client_NewRemoteUser(intr_c, nick, hops, user, hostname, c = Client_NewRemoteUser(intr_c, nick, hops, user, hostname,
token, modes, info, true); token, modes, info, true);
if( ! c ) if (!c) {
{ /* Out of memory, we need to disconnect client to keep
/* out of memory, need to disconnect client to keep network state consistent */ * network state consistent! */
Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client )); Log(LOG_ALERT,
Kill_Nick( Req->argv[0], "Server error" ); "Can't create client structure! (on connection %d)",
Client_Conn(Client));
Kill_Nick(Req->argv[0], "Server error");
return CONNECTED; return CONNECTED;
} }
@ -356,10 +339,11 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
return CONNECTED; return CONNECTED;
} }
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client )); else
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client));
} /* IRC_NICK */ } /* IRC_NICK */
/** /**
* Handler for the IRC "SVSNICK" command. * Handler for the IRC "SVSNICK" command.
* *
@ -375,9 +359,7 @@ IRC_SVSNICK(CLIENT *Client, REQUEST *Req)
assert(Client != NULL); assert(Client != NULL);
assert(Req != NULL); assert(Req != NULL);
if (Req->argc != 2) _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
/* Search the originator */ /* Search the originator */
from = Client_Search(Req->prefix); from = Client_Search(Req->prefix);
@ -411,11 +393,9 @@ IRC_SVSNICK(CLIENT *Client, REQUEST *Req)
/** /**
* Handler for the IRC "USER" command. * Handler for the IRC "USER" command.
* *
* See RFC 2812, 3.1.3 "User message".
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_USER(CLIENT * Client, REQUEST * Req) IRC_USER(CLIENT * Client, REQUEST * Req)
@ -433,11 +413,7 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
Client_Type(Client) == CLIENT_GOTPASS) Client_Type(Client) == CLIENT_GOTPASS)
{ {
/* New connection */ /* New connection */
if (Req->argc != 4) _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
/* User name: only alphanumeric characters and limited /* User name: only alphanumeric characters and limited
punctuation is allowed.*/ punctuation is allowed.*/
@ -487,11 +463,8 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
} else if (Client_Type(Client) == CLIENT_SERVER || } else if (Client_Type(Client) == CLIENT_SERVER ||
Client_Type(Client) == CLIENT_SERVICE) { Client_Type(Client) == CLIENT_SERVICE) {
/* Server/service updating an user */ /* Server/service updating an user */
if (Req->argc != 4) _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
c = Client_Search(Req->prefix); c = Client_Search(Req->prefix);
if (!c) if (!c)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
@ -523,20 +496,16 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
} }
} /* IRC_USER */ } /* IRC_USER */
/** /**
* Handler for the IRC "SERVICE" command. * Handler for the IRC "SERVICE" command.
* *
* This function implements IRC Services registration using the SERVICE command
* defined in RFC 2812 3.1.6 and RFC 2813 4.1.4.
*
* At the moment ngIRCd doesn't support directly linked services, so this * At the moment ngIRCd doesn't support directly linked services, so this
* function returns ERR_ERRONEUSNICKNAME when the SERVICE command has not been * function returns ERR_ERRONEUSNICKNAME when the SERVICE command has not been
* received from a peer server. * received from a peer server.
* *
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED.. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_SERVICE(CLIENT *Client, REQUEST *Req) IRC_SERVICE(CLIENT *Client, REQUEST *Req)
@ -553,19 +522,12 @@ IRC_SERVICE(CLIENT *Client, REQUEST *Req)
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG, return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client)); Client_ID(Client));
if (Req->argc != 6) _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 6)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
if (Client_Type(Client) != CLIENT_SERVER) if (Client_Type(Client) != CLIENT_SERVER)
return IRC_WriteStrClient(Client, ERR_ERRONEUSNICKNAME_MSG, return IRC_WriteStrClient(Client, ERR_ERRONEUSNICKNAME_MSG,
Client_ID(Client), Req->argv[0]); Client_ID(Client), Req->argv[0]);
/* Bad number of parameters? */
if (Req->argc != 6)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
nick = Req->argv[0]; nick = Req->argv[0];
user = NULL; host = NULL; user = NULL; host = NULL;
token = atoi(Req->argv[1]); token = atoi(Req->argv[1]);
@ -627,24 +589,17 @@ IRC_SERVICE(CLIENT *Client, REQUEST *Req)
return CONNECTED; return CONNECTED;
} /* IRC_SERVICE */ } /* IRC_SERVICE */
/** /**
* Handler for the IRC "WEBIRC" command. * Handler for the IRC "WEBIRC" command.
* *
* See doc/Protocol.txt, section II.4:
* "Update webchat/proxy client information".
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_WEBIRC(CLIENT *Client, REQUEST *Req) IRC_WEBIRC(CLIENT *Client, REQUEST *Req)
{ {
/* Exactly 4 parameters are requited */ _IRC_ARGC_EQ_OR_RETURN_(Client, Req, 4)
if (Req->argc != 4)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
if (!Conf_WebircPwd[0] || strcmp(Req->argv[0], Conf_WebircPwd) != 0) if (!Conf_WebircPwd[0] || strcmp(Req->argv[0], Conf_WebircPwd) != 0)
return IRC_WriteStrClient(Client, ERR_PASSWDMISMATCH_MSG, return IRC_WriteStrClient(Client, ERR_PASSWDMISMATCH_MSG,
@ -659,15 +614,12 @@ IRC_WEBIRC(CLIENT *Client, REQUEST *Req)
return CONNECTED; return CONNECTED;
} /* IRC_WEBIRC */ } /* IRC_WEBIRC */
/** /**
* Handler for the IRC "QUIT" command. * Handler for the IRC "QUIT" command.
* *
* See RFC 2812, 3.1.7 "Quit", and RFC 2813, 4.1.5 "Quit".
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_QUIT( CLIENT *Client, REQUEST *Req ) IRC_QUIT( CLIENT *Client, REQUEST *Req )
@ -678,10 +630,7 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
assert(Client != NULL); assert(Client != NULL);
assert(Req != NULL); assert(Req != NULL);
/* Wrong number of arguments? */ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
if (Req->argc > 1)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
if (Req->argc == 1) if (Req->argc == 1)
strlcpy(quitmsg, Req->argv[0], sizeof quitmsg); strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
@ -721,7 +670,6 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
} }
} /* IRC_QUIT */ } /* IRC_QUIT */
#ifndef STRICT_RFC #ifndef STRICT_RFC
/** /**
@ -732,7 +680,7 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
* *
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_QUIT_HTTP( CLIENT *Client, REQUEST *Req ) IRC_QUIT_HTTP( CLIENT *Client, REQUEST *Req )
@ -744,15 +692,12 @@ IRC_QUIT_HTTP( CLIENT *Client, REQUEST *Req )
#endif #endif
/** /**
* Handler for the IRC "PING" command. * Handler for the IRC "PING" command.
* *
* See RFC 2812, 3.7.2 "Ping message".
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_PING(CLIENT *Client, REQUEST *Req) IRC_PING(CLIENT *Client, REQUEST *Req)
@ -767,9 +712,7 @@ IRC_PING(CLIENT *Client, REQUEST *Req)
Client_ID(Client)); Client_ID(Client));
#ifdef STRICT_RFC #ifdef STRICT_RFC
/* Don't ignore additional arguments when in "strict" mode */ /* Don't ignore additional arguments when in "strict" mode */
if (Req->argc > 2) _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
#endif #endif
if (Req->argc > 1) { if (Req->argc > 1) {
@ -822,15 +765,12 @@ IRC_PING(CLIENT *Client, REQUEST *Req)
#endif #endif
} /* IRC_PING */ } /* IRC_PING */
/** /**
* Handler for the IRC "PONG" command. * Handler for the IRC "PONG" command.
* *
* See RFC 2812, 3.7.3 "Pong message".
*
* @param Client The client from which this command has been received. * @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters. * @param Req Request structure with prefix and all parameters.
* @returns CONNECTED or DISCONNECTED. * @return CONNECTED or DISCONNECTED.
*/ */
GLOBAL bool GLOBAL bool
IRC_PONG(CLIENT *Client, REQUEST *Req) IRC_PONG(CLIENT *Client, REQUEST *Req)
@ -853,14 +793,8 @@ IRC_PONG(CLIENT *Client, REQUEST *Req)
else else
return CONNECTED; return CONNECTED;
} }
if (Req->argc > 2) { if (Client_Type(Client) == CLIENT_USER) {
if (Client_Type(Client) == CLIENT_USER) _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
else
return CONNECTED;
} }
/* Forward? */ /* Forward? */
@ -925,7 +859,6 @@ IRC_PONG(CLIENT *Client, REQUEST *Req)
return CONNECTED; return CONNECTED;
} /* IRC_PONG */ } /* IRC_PONG */
/** /**
* Kill all users with a specific nickname in the network. * Kill all users with a specific nickname in the network.
* *
@ -951,7 +884,6 @@ Kill_Nick(char *Nick, char *Reason)
IRC_KILL(Client_ThisServer(), &r); IRC_KILL(Client_ThisServer(), &r);
} /* Kill_Nick */ } /* Kill_Nick */
/** /**
* Change the nickname of a client. * Change the nickname of a client.
* *
@ -991,5 +923,4 @@ Change_Nick(CLIENT *Origin, CLIENT *Target, char *NewNick, bool InformClient)
Client_SetID(Target, NewNick); Client_SetID(Target, NewNick);
} }
/* -eof- */ /* -eof- */