commit - 9f3690c39c2bd7cefbed8e3ea1f9519dd25d35c8
commit + d692286d7a5a31f5ccef4f8d6b3ddee2188950ff
blob - 50b0db0476cf4eab116d8192606843ac0c351fe2
blob + 2cc60f46b72f2f9405aee5ab751a1bd159c09652
--- src/ngircd/irc-mode.c
+++ src/ngircd/irc-mode.c
CLIENT *Client, CHANNEL *Channel, const char *Mask));
+/**
+ * Handler for the IRC "MODE" command.
+ *
+ * See RFC 2812 section 3.1.5 ("user mode message") and section 3.2.3
+ * ("channel mode message"), and RFC 2811 section 4 ("channel modes").
+ *
+ * @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_MODE( CLIENT *Client, REQUEST *Req )
{
CLIENT *cl, *origin;
CHANNEL *chan;
- assert( Client != NULL );
- assert( Req != NULL );
+ assert(Client != NULL);
+ assert(Req != NULL);
/* No parameters? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc < 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
/* Origin for answers */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- origin = Client_Search( Req->prefix );
- if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- }
- else origin = Client;
+ if (Client_Type(Client) == CLIENT_SERVER) {
+ origin = Client_Search(Req->prefix);
+ if (!origin)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client),
+ Req->prefix);
+ } else
+ origin = Client;
/* Channel or user mode? */
cl = NULL; chan = NULL;
} /* IRC_MODE */
+/**
+ * Handle client mode requests
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @param Origin The originator of the MODE command (prefix).
+ * @param Target The target (client) of this MODE command.
+ * @returns CONNECTED or DISCONNECTED.
+ */
static bool
Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
{
- /* Handle client mode requests */
-
char the_modes[COMMAND_LEN], x[2], *mode_ptr;
bool ok, set;
int mode_arg;
size_t len;
/* Is the client allowed to request or change the modes? */
- if( Client_Type( Client ) == CLIENT_USER )
- {
+ if (Client_Type(Client) == CLIENT_USER) {
/* Users are only allowed to manipulate their own modes! */
- if( Target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
+ if (Target != Client)
+ return IRC_WriteStrClient(Client,
+ ERR_USERSDONTMATCH_MSG,
+ Client_ID(Client));
}
/* Mode request: let's answer it :-) */
- if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_UMODEIS_MSG, Client_ID( Origin ), Client_Modes( Target ));
+ if (Req->argc == 1)
+ return IRC_WriteStrClient(Origin, RPL_UMODEIS_MSG,
+ Client_ID(Origin),
+ Client_Modes(Target));
mode_arg = 1;
mode_ptr = Req->argv[mode_arg];
/* Initial state: set or unset modes? */
- if( *mode_ptr == '+' ) set = true;
- else if( *mode_ptr == '-' ) set = false;
- else return IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Origin ));
+ if (*mode_ptr == '+') {
+ set = true;
+ strcpy(the_modes, "+");
+ } else if (*mode_ptr == '-') {
+ set = false;
+ strcpy(the_modes, "-");
+ } else
+ return IRC_WriteStrClient(Origin, ERR_UMODEUNKNOWNFLAG_MSG,
+ Client_ID(Origin));
- /* Prepare reply string */
- if( set ) strcpy( the_modes, "+" );
- else strcpy( the_modes, "-" );
-
x[1] = '\0';
ok = CONNECTED;
- while( mode_ptr )
- {
+ while (mode_ptr) {
mode_ptr++;
- if( ! *mode_ptr )
- {
+ if (!*mode_ptr) {
/* Try next argument if there's any */
mode_arg++;
- if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
- else break;
+ if (mode_arg < Req->argc)
+ mode_ptr = Req->argv[mode_arg];
+ else
+ break;
}
-
+
switch( *mode_ptr )
{
case '+':
x[0] = '\0';
goto client_exit;
}
- if( ! ok ) break;
+ if (!ok)
+ break;
/* Is there a valid mode change? */
- if( ! x[0] ) continue;
+ if (!x[0])
+ continue;
- if( set )
- {
- /* Set mode */
- if( Client_ModeAdd( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
-
+ if (set) {
+ if (Client_ModeAdd(Target, x[0]))
+ strlcat(the_modes, x, sizeof(the_modes));
+ } else {
+ if (Client_ModeDel(Target, x[0]))
+ strlcat(the_modes, x, sizeof(the_modes));
}
- else
- {
- /* Unset mode */
- if( Client_ModeDel( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
- }
}
client_exit:
-
+
/* Are there changed modes? */
- if( the_modes[1] )
- {
+ if (the_modes[1]) {
/* Remoce needless action modifier characters */
- len = strlen( the_modes ) - 1;
- if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' )) the_modes[len] = '\0';
+ len = strlen(the_modes) - 1;
+ if (the_modes[len] == '+' || the_modes[len] == '-')
+ the_modes[len] = '\0';
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
+ if (Client_Type(Client) == CLIENT_SERVER) {
/* Forward modes to other servers */
- IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
- }
- else
- {
+ IRC_WriteStrServersPrefix(Client, Origin,
+ "MODE %s :%s",
+ Client_ID(Target),
+ the_modes);
+ } else {
/* Send reply to client and inform other servers */
- ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
- IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
+ ok = IRC_WriteStrClientPrefix(Client, Origin,
+ "MODE %s :%s",
+ Client_ID(Target),
+ the_modes);
+ IRC_WriteStrServersPrefix(Client, Origin,
+ "MODE %s :%s",
+ Client_ID(Target),
+ the_modes);
}
LogDebug("%s \"%s\": Mode change, now \"%s\".",
Client_TypeText(Target), Client_Mask(Target),
Client_Modes(Target));
}
-
- IRC_SetPenalty( Client, 1 );
+
+ IRC_SetPenalty(Client, 1);
return ok;
} /* Client_Mode */
