Return to dispatch.c CVS log

Up to [local] / src / usr.bin / ssh

Annotation of src/usr.bin/ssh/dispatch.c, Revision 1.1

1.1     ! markus      1: /*
        !             2:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
        !             3:  *
        !             4:  * Redistribution and use in source and binary forms, with or without
        !             5:  * modification, are permitted provided that the following conditions
        !             6:  * are met:
        !             7:  * 1. Redistributions of source code must retain the above copyright
        !             8:  *    notice, this list of conditions and the following disclaimer.
        !             9:  * 2. Redistributions in binary form must reproduce the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer in the
        !            11:  *    documentation and/or other materials provided with the distribution.
        !            12:  * 3. All advertising materials mentioning features or use of this software
        !            13:  *    must display the following acknowledgement:
        !            14:  *      This product includes software developed by Markus Friedl.
        !            15:  * 4. The name of the author may not be used to endorse or promote products
        !            16:  *    derived from this software without specific prior written permission.
        !            17:  *
        !            18:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            19:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            20:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            21:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            22:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            23:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            24:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            25:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            26:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            27:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            28:  */
        !            29: #include "includes.h"
        !            30: RCSID("$Id: dispatch.c,v 1.2 2000/02/24 14:16:23 markus Exp $");
        !            31: #include "ssh.h"
        !            32: #include "dispatch.h"
        !            33: #include "packet.h"
        !            34:
        !            35: #define DISPATCH_MIN   0
        !            36: #define DISPATCH_MAX   255
        !            37:
        !            38: dispatch_fn *dispatch[DISPATCH_MAX];
        !            39:
        !            40: void
        !            41: dispatch_protocol_error(int type, int plen)
        !            42: {
        !            43:        error("Hm, dispatch protocol error: type %d plen %d", type, plen);
        !            44: }
        !            45: void
        !            46: dispatch_init(dispatch_fn *dflt)
        !            47: {
        !            48:        int i;
        !            49:        for (i = 0; i < DISPATCH_MAX; i++)
        !            50:                dispatch[i] = dflt;
        !            51: }
        !            52: void
        !            53: dispatch_set(int type, dispatch_fn *fn)
        !            54: {
        !            55:        dispatch[type] = fn;
        !            56: }
        !            57: void
        !            58: dispatch_run(int mode, int *done)
        !            59: {
        !            60:        for (;;) {
        !            61:                int plen;
        !            62:                int type;
        !            63:
        !            64:                if (mode == DISPATCH_BLOCK) {
        !            65:                        type = packet_read(&plen);
        !            66:                } else {
        !            67:                        type = packet_read_poll(&plen);
        !            68:                        if (type == SSH_MSG_NONE)
        !            69:                                return;
        !            70:                }
        !            71:                if (type > 0 && type < DISPATCH_MAX && dispatch[type] != NULL)
        !            72:                        (*dispatch[type])(type, plen);
        !            73:                else
        !            74:                        packet_disconnect("protocol error: rcvd type %d", type);
        !            75:                if (done != NULL && *done)
        !            76:                        return;
        !            77:        }
        !            78: }