Changeset 828 for branches/ithildin-1.1/modules/ircd/connection.h

Timestamp:

11/26/08 02:51:23 (3 years ago)

Author:

wd

Message:

Prevent data that shoots past the buffer limit in 1459-style protocols from
being treated as a new command.

File:

• branches/ithildin-1.1/modules/ircd/connection.h (modified) (2 diffs)

branches/ithildin-1.1/modules/ircd/connection.h

@@ -46 +46 @@
     } stats;
 
-#define IRCD_CONNFL_DNS_PTR     0x1
-#define IRCD_CONNFL_DNS_ADDR    0x2
-#define IRCD_CONNFL_DNS        (IRCD_CONNFL_DNS_PTR | IRCD_CONNFL_DNS_ADDR)
-#define IRCD_CONNFL_IDENT       0x4
-#define IRCD_CONNFL_STAGE2      0x8
+#define IRCD_CONNFL_DNS_PTR         0x1
+#define IRCD_CONNFL_DNS_ADDR        0x2
+#define IRCD_CONNFL_DNS            (IRCD_CONNFL_DNS_PTR | IRCD_CONNFL_DNS_ADDR)
+#define IRCD_CONNFL_IDENT           0x4
+#define IRCD_CONNFL_STAGE2          0x8
 #define IRCD_CONN_DONE(x)                                                     \
     (((x)->flags & (IRCD_CONNFL_DNS | IRCD_CONNFL_IDENT)) ==                  \
@@ -56 +56 @@
 #define IRCD_CONN_NEED_STAGE2(x) (!((x)->flags & IRCD_CONNFL_STAGE2))
 
-#define IRCD_CONNFL_WRITEABLE 0x100 /* set if the socket is writeable */
+#define IRCD_CONNFL_WRITEABLE       0x100 /* set if the socket is writeable */
 #define CONN_PINGSENT(conn) (conn->flags & IRCD_CONNFL_PINGSENT)
-#define IRCD_CONNFL_PINGSENT  0x200 /* set when a PING is sent to test for
-                                       activity */
+#define IRCD_CONNFL_PINGSENT        0x200 /* set when a PING is sent to test
+                                             for activity */
         
-#define IRCD_CONNFL_NOSENDQ   0x400 /* this is set if we don't want to observe
-                                       send queue limits on the connection
-                                       (mostly useful for sending
-                                       synchronization data to servers).  it is
-                                       not unset until sendq drops to 0. */
+#define IRCD_CONNFL_NOSENDQ         0x400 /* this is set if we don't want to
+                                             observe send queue limits on the
+                                             connection (mostly useful for
+                                             sending synchronization data to
+                                             servers).  it is not unset until
+                                             sendq drops to 0. */
 #ifdef HAVE_OPENSSL
-#define IRCD_CONNFL_SSLINIT   0x800 /* set when we're waiting for the first
-                                       data event for an initiating SSL socket.
-                                       when we get this event we can begin the
-                                       regular connection initiation. */
+#define IRCD_CONNFL_SSLINIT         0x800 /* set when we're waiting for the
+                                             first data event for an initiating
+                                             SSL socket.  when we get this
+                                             event we can begin the regular
+                                             connection initiation. */
 #endif
+#define IRCD_CONNFL_DIRTYBUFFER    0x1000 /* set when the contents of the
+                                             buffer are 'dirty' (typically
+                                             an overflow command which must
+                                             be discarded) */
 
     int     flags;                  /* connection flags (DO NOT PUT