]> arthur.barton.de Git - ngircd-alex.git/blobdiff - src/ngircd/irc-mode.c
Only allow IRC services to modify user mode "R"
[ngircd-alex.git] / src / ngircd / irc-mode.c
index bb78bcb6656c8f1a5c2c3fe219d93d9d3db0e986..ca4cdd0624f6db851d7fdd2e0920612835066a2f 100644 (file)
@@ -41,10 +41,10 @@ static bool Client_Mode PARAMS((CLIENT *Client, REQUEST *Req, CLIENT *Origin,
 static bool Channel_Mode PARAMS((CLIENT *Client, REQUEST *Req, CLIENT *Origin,
                                 CHANNEL *Channel));
 
-static bool Add_Ban_Invite PARAMS((char what, CLIENT *Prefix, CLIENT *Client,
-                                  CHANNEL *Channel, const char *Pattern));
-static bool Del_Ban_Invite PARAMS((char what, CLIENT *Prefix, CLIENT *Client,
-                                  CHANNEL *Channel, const char *Pattern));
+static bool Add_To_List PARAMS((char what, CLIENT *Prefix, CLIENT *Client,
+                               CHANNEL *Channel, const char *Pattern));
+static bool Del_From_List PARAMS((char what, CLIENT *Prefix, CLIENT *Client,
+                                 CHANNEL *Channel, const char *Pattern));
 
 static bool Send_ListChange PARAMS((const bool IsAdd, const char ModeChar,
                                    CLIENT *Prefix, CLIENT *Client,
@@ -214,6 +214,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                /* Validate modes */
                x[0] = '\0';
                switch (*mode_ptr) {
+               case 'C': /* Only messages from clients sharing a channel */
                case 'i': /* Invisible */
                case 's': /* Server messages */
                case 'w': /* Wallops messages */
@@ -255,6 +256,14 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
                                                        ERR_RESTRICTED_MSG,
                                                        Client_ID(Origin));
                        break;
+               case 'R': /* Registered (not [un]settable by clients) */
+                       if (Client_Type(Client) == CLIENT_SERVER)
+                               x[0] = 'R';
+                       else
+                               ok = IRC_WriteStrClient(Origin,
+                                                       ERR_NICKREGISTER_MSG,
+                                                       Client_ID(Origin));
+                       break;
                case 'x': /* Cloak hostname */
                        if (Client_HasMode(Client, 'r'))
                                ok = IRC_WriteStrClient(Origin,
@@ -661,16 +670,17 @@ Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
                /* --- Channel lists --- */
                case 'I': /* Invite lists */
                case 'b': /* Ban lists */
+               case 'e': /* Channel exception lists */
                        if (Mode_Limit_Reached(Client, mode_arg_count++))
                                goto chan_exit;
                        if (arg_arg > mode_arg) {
                                /* modify list */
                                if (modeok) {
                                        connected = set
-                                          ? Add_Ban_Invite(*mode_ptr, Origin,
+                                          ? Add_To_List(*mode_ptr, Origin,
                                                Client, Channel,
                                                Req->argv[arg_arg])
-                                          : Del_Ban_Invite(*mode_ptr, Origin,
+                                          : Del_From_List(*mode_ptr, Origin,
                                                Client, Channel,
                                                Req->argv[arg_arg]);
                                } else {
@@ -682,10 +692,17 @@ Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
                                Req->argv[arg_arg][0] = '\0';
                                arg_arg++;
                        } else {
-                               if (*mode_ptr == 'I')
+                               switch (*mode_ptr) {
+                               case 'I':
                                        Channel_ShowInvites(Origin, Channel);
-                               else
+                                       break;
+                               case 'b':
                                        Channel_ShowBans(Origin, Channel);
+                                       break;
+                               case 'e':
+                                       Channel_ShowExcepts(Origin, Channel);
+                                       break;
+                               }
                        }
                        break;
                default:
@@ -833,9 +850,9 @@ IRC_AWAY( CLIENT *Client, REQUEST *Req )
 
 
 /**
- * Add entries to channel ban and invite lists.
+ * Add entries to channel invite, ban and exception lists.
  *
- * @param what Can be 'I' for invite or 'b' for ban list.
+ * @param what Can be 'I' for invite, 'b' for ban, and 'e' for exception list.
  * @param Prefix The originator of the command.
  * @param Client The sender of the command.
  * @param Channel The channel of which the list should be modified.
@@ -843,42 +860,66 @@ IRC_AWAY( CLIENT *Client, REQUEST *Req )
  * @return CONNECTED or DISCONNECTED.
  */
 static bool
-Add_Ban_Invite(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
-              const char *Pattern)
+Add_To_List(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
+           const char *Pattern)
 {
        const char *mask;
-       struct list_head *list;
+       struct list_head *list = NULL;
+       long int current_count;
 
        assert(Client != NULL);
        assert(Channel != NULL);
        assert(Pattern != NULL);
-       assert(what == 'I' || what == 'b');
+       assert(what == 'I' || what == 'b' || what == 'e');
 
        mask = Lists_MakeMask(Pattern);
+       current_count = Lists_Count(Channel_GetListInvites(Channel))
+                       + Lists_Count(Channel_GetListExcepts(Channel))
+                       + Lists_Count(Channel_GetListBans(Channel));
 
-       if (what == 'I')
-               list = Channel_GetListInvites(Channel);
-       else
-               list = Channel_GetListBans(Channel);
+       switch(what) {
+               case 'I':
+                       list = Channel_GetListInvites(Channel);
+                       break;
+               case 'b':
+                       list = Channel_GetListBans(Channel);
+                       break;
+               case 'e':
+                       list = Channel_GetListExcepts(Channel);
+                       break;
+       }
 
        if (Lists_CheckDupeMask(list, mask))
                return CONNECTED;
-
-       if (what == 'I') {
-               if (!Channel_AddInvite(Channel, mask, false))
-                       return CONNECTED;
-       } else {
-               if (!Channel_AddBan(Channel, mask))
-                       return CONNECTED;
+       if (Client_Type(Client) == CLIENT_USER &&
+           current_count >= MAX_HNDL_CHANNEL_LISTS)
+               return IRC_WriteStrClient(Client, ERR_LISTFULL_MSG,
+                                         Client_ID(Client),
+                                         Channel_Name(Channel), mask,
+                                         MAX_HNDL_CHANNEL_LISTS);
+
+       switch (what) {
+               case 'I':
+                       if (!Channel_AddInvite(Channel, mask, false))
+                               return CONNECTED;
+                       break;
+               case 'b':
+                       if (!Channel_AddBan(Channel, mask))
+                               return CONNECTED;
+                       break;
+               case 'e':
+                       if (!Channel_AddExcept(Channel, mask))
+                               return CONNECTED;
+                       break;
        }
        return Send_ListChange(true, what, Prefix, Client, Channel, mask);
 }
 
 
 /**
- * Delete entries from channel ban and invite lists.
+ * Delete entries from channel invite, ban and exeption lists.
  *
- * @param what Can be 'I' for invite or 'b' for ban list.
+ * @param what Can be 'I' for invite, 'b' for ban, and 'e' for exception list.
  * @param Prefix The originator of the command.
  * @param Client The sender of the command.
  * @param Channel The channel of which the list should be modified.
@@ -886,23 +927,30 @@ Add_Ban_Invite(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
  * @return CONNECTED or DISCONNECTED.
  */
 static bool
-Del_Ban_Invite(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
-              const char *Pattern)
+Del_From_List(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
+             const char *Pattern)
 {
        const char *mask;
-       struct list_head *list;
+       struct list_head *list = NULL;
 
        assert(Client != NULL);
        assert(Channel != NULL);
        assert(Pattern != NULL);
-       assert(what == 'I' || what == 'b');
+       assert(what == 'I' || what == 'b' || what == 'e');
 
        mask = Lists_MakeMask(Pattern);
 
-       if (what == 'I')
-               list = Channel_GetListInvites(Channel);
-       else
-               list = Channel_GetListBans(Channel);
+       switch (what) {
+               case 'I':
+                       list = Channel_GetListInvites(Channel);
+                       break;
+               case 'b':
+                       list = Channel_GetListBans(Channel);
+                       break;
+               case 'e':
+                       list = Channel_GetListExcepts(Channel);
+                       break;
+       }
 
        if (!Lists_CheckDupeMask(list, mask))
                return CONNECTED;
@@ -913,7 +961,7 @@ Del_Ban_Invite(char what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel,
 
 
 /**
- * Send information about changed channel ban/invite lists to clients.
+ * Send information about changed channel invite/ban/exception lists to clients.
  *
  * @param IsAdd true if the list item has been added, false otherwise.
  * @param ModeChar The mode to use (e. g. 'b' or 'I')