File xinetd-2.3.14-ident-bind.patch of Package xinetd

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File xinetd-2.3.14-ident-bind.patch of Package xinetd (Revision b9e0430057bd274e2c6fa020c20cfff8)

Currently displaying revision b9e0430057bd274e2c6fa020c20cfff8 , Show latest

448069: xinetd: socket bind: Invalid argument (errno = 22) when using USERID on ipv6

Use right size of addresses in bind() call. Also use getpeername addresses when
connecting to ident service to prevent address family mismatch between socket(),
bind() and connect() calls.

Author: Jan Safranek <jsafrane@redhat.com>
Reviewed-By: Adam Tkac <atkac@redhat.com>

Index: xinetd-2.3.14/xinetd/ident.c
===================================================================
--- xinetd-2.3.14.orig/xinetd/ident.c
+++ xinetd-2.3.14/xinetd/ident.c
@@ -97,7 +97,13 @@ idresult_e log_remote_user( const struct
    }
 
    CLEAR( sin_contact );
-   sin_remote = *CONN_XADDRESS( SERVER_CONNECTION( serp ) ) ;
+
+   sin_len = sizeof( sin_remote );
+   if ( getpeername( SERVER_FD( serp ), &sin_remote.sa, &sin_len ) == -1 )
+   {
+      msg( LOG_ERR, func, "(%d) getpeername: %m", getpid() ) ;
+      return( IDR_ERROR ) ;
+   }
    sin_contact = sin_remote;
    memcpy( &sin_bind, &sin_local, sizeof(sin_bind) ) ;
    local_port = 0;
@@ -127,7 +133,13 @@ idresult_e log_remote_user( const struct
       msg( LOG_ERR, func, "socket creation: %m" ) ;
       return( IDR_ERROR ) ;
    }
-   if ( bind(sd, &sin_bind.sa, sizeof(sin_bind.sa)) == -1 )
+
+   if ( sin_bind.sa.sa_family == AF_INET )
+      sin_len = sizeof( sin_bind.sa_in ) ;
+   else
+      sin_len = sizeof( sin_bind.sa_in6 ) ;
+
+   if ( bind(sd, &sin_bind.sa, sin_len) == -1 )
    { 
       msg( LOG_ERR, func, "socket bind: %m" ) ;
       (void) Sclose( sd ) ;

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File xinetd-2.3.14-ident-bind.patch of Package xinetd (Revision b9e0430057bd274e2c6fa020c20cfff8)

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