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Implement channel mode "Q" and user mode "q" 

Both modes protect users from channel kicks: only IRC operators and
servers can kick users having mode "q" or in channels with mode "Q".

Original patch by DNS777 <dns@rbose.org>, thanks!

This closes bug #141.
This commit is contained in:
Alexander Barton 2012-10-06 18:13:01 +02:00
parent 4790d78c98
commit d3ae351236
5 changed files with 27 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/Modes.txt
View File

@ -27,6 +27,7 @@ channels he is using at the moment.
C 19 Only users that share a channel are allowed to send messages.
i 0.0.1 User is "invisible".
o 0.0.1 User is IRC operator.
q 20 User is protected, can not be kicked from a channel.
r 0.0.1 User is restricted.
R (1) 19 User is registered (e.g. by NickServ).
s 0.4.0 User wants to receive server notices.
@ -54,6 +55,7 @@ users to lists (e.g. "invite list", "ban list"), others have parameters
n 0.3.0 Channel doesn't allow messages of users not being members.
O 18 Only IRC operators are allowed to join this channel.
P 0.5.0 Channel is "persistent".
Q 20 Nobody can be kicked from the channel.
r (1) 19 Channel is "registered" (e.g. by ChanServ).
R 19 Only registered users are allowed to join this channel.
s 0.9.0 Channel is "secret".

11
src/ngircd/channel.c
View File

@ -327,6 +327,17 @@ Channel_Kick(CLIENT *Peer, CLIENT *Target, CLIENT *Origin, const char *Name,
}
if(Client_Type(Peer) == CLIENT_USER) {
/* Channel mode 'Q' and user mode 'q' on target: nobody but
* IRC Operators and servers can kick the target user */
if ((strchr(Channel_Modes(chan), 'Q')
|| Client_HasMode(Target, 'q'))
&& !Client_HasMode(Origin, 'o')) {
IRC_WriteStrClient(Origin, ERR_KICKDENY_MSG,
Client_ID(Origin), Name,
Client_ID(Target));
return;
}
/* Check if client has the rights to kick target */
ptr = Channel_UserModes(chan, Peer);
target_modes = Channel_UserModes(chan, Target);

4
src/ngircd/defines.h
View File

@ -161,10 +161,10 @@
#endif
/** Supported user modes. */
#define USERMODES "aBcCiorRswx"
#define USERMODES "aBcCioqrRswx"
/** Supported channel modes. */
#define CHANMODES "abehiIklmMnoOPqrRstvz"
#define CHANMODES "abehiIklmMnoOPqQrRstvz"
/** Away message for users connected to linked servers. */
#define DEFAULT_AWAY_MSG "Away"

10
src/ngircd/irc-mode.c
View File

@ -257,6 +257,15 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
case 'q': /* KICK-protected user */
if (!set || Client_Type(Client) == CLIENT_SERVER
|| Client_OperByMe(Origin))
x[0] = 'q';
else
ok = IRC_WriteStrClient(Origin,
ERR_NOPRIVILEGES_MSG,
Client_ID(Origin));
break;
case 'r': /* Restricted (only settable) */
if (set || Client_Type(Client) == CLIENT_SERVER)
x[0] = 'r';
@ -569,6 +578,7 @@ Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
case 'M': /* Only identified nicks can write */
case 'm': /* Moderated */
case 'n': /* Only members can write */
case 'Q': /* No kicks */
case 't': /* Topic locked */
if(is_oper || is_machine || is_owner ||
is_admin || is_op || is_halfop)

3
src/ngircd/messages.h
View File

@ -21,7 +21,7 @@
#define RPL_YOURHOST_MSG "002 %s :Your host is %s, running version ngircd-%s (%s/%s/%s)"
#define RPL_CREATED_MSG "003 %s :This server has been started %s"
#define RPL_MYINFO_MSG "004 %s %s ngircd-%s %s %s"
#define RPL_ISUPPORT1_MSG "005 %s RFC2812 IRCD=ngIRCd CASEMAPPING=ascii PREFIX=(qaohv)~&@%%+ CHANTYPES=#&+ CHANMODES=beI,k,l,imMnOPRstz CHANLIMIT=#&+:%d :are supported on this server"
#define RPL_ISUPPORT1_MSG "005 %s RFC2812 IRCD=ngIRCd CASEMAPPING=ascii PREFIX=(qaohv)~&@%%+ CHANTYPES=#&+ CHANMODES=beI,k,l,imMnOPQRstz CHANLIMIT=#&+:%d :are supported on this server"
#define RPL_ISUPPORT2_MSG "005 %s CHANNELLEN=%d NICKLEN=%d TOPICLEN=%d AWAYLEN=%d KICKLEN=%d MODES=%d MAXLIST=beI:%d EXCEPTS=e INVEX=I PENALTY :are supported on this server"
#define RPL_TRACELINK_MSG "200 %s Link %s-%s %s %s V%s %ld %d %d"
@ -140,6 +140,7 @@
#define ERR_NOPRIVILEGES_MSG "481 %s :Permission denied"
#define ERR_CHANOPRIVSNEEDED_MSG "482 %s %s :You are not channel operator"
#define ERR_CHANOPPRIVTOOLOW_MSG "482 %s %s :Your privileges are too low"
#define ERR_KICKDENY_MSG "482 %s %s :Cannot kick, %s is protected"
#define ERR_CANTKILLSERVER_MSG "483 %s :You can't kill a server!"
#define ERR_RESTRICTED_MSG "484 %s :Your connection is restricted"
#define ERR_NICKREGISTER_MSG "484 %s :Cannot modify user mode (+R) -- Use IRC services"