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Annotation of embedaddon/libnet/src/libnet_build_link.c, revision 1.1.1.3

1.1       misho       1: /*
1.1.1.2   misho       2:  *  $Id: libnet_build_link.c,v 1.10 2004/04/13 17:32:28 mike Exp $
1.1       misho       3:  *
                      4:  *  libnet
                      5:  *  libnet_build_link.c - link-layer packet assembler
                      6:  *
                      7:  *  Copyright (c) 2003 Roberto Larcher <roberto.larcher@libero.it>
                      8:  *  Copyright (c) 1998 - 2004 Mike D. Schiffman <mike@infonexus.com>
                      9:  *  All rights reserved.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  */
                     33: 
1.1.1.3 ! misho      34: #include "common.h"
1.1       misho      35: 
                     36: libnet_ptag_t
1.1.1.2   misho      37: libnet_build_link(const uint8_t *dst, const uint8_t *src, const uint8_t *oui, uint16_t type,
                     38: const uint8_t *payload, uint32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
1.1       misho      39: 
                     40: {
1.1.1.2   misho      41:     uint8_t org[3] = {0x00, 0x00, 0x00};
1.1       misho      42:     switch (l->link_type)
                     43:     {
                     44:         /* add FDDI */
                     45:         case DLT_EN10MB:
1.1.1.2   misho      46:             return libnet_build_ethernet(dst, src, type, payload, payload_s, l,
                     47:                     ptag);
1.1       misho      48:         case DLT_IEEE802:
1.1.1.2   misho      49:             return libnet_build_token_ring(LIBNET_TOKEN_RING_FRAME,
1.1       misho      50:                     LIBNET_TOKEN_RING_LLC_FRAME, dst, src, LIBNET_SAP_SNAP,
                     51:                     LIBNET_SAP_SNAP, 0x03, org, type, payload, payload_s,
1.1.1.2   misho      52:                     l, ptag);
1.1       misho      53:     }
                     54:     snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
1.1.1.3 ! misho      55:             "%s(): linktype %d not supported", __func__, l->link_type);
1.1.1.2   misho      56:     return -1;
1.1       misho      57: }
                     58: 
                     59: libnet_ptag_t
1.1.1.2   misho      60: libnet_autobuild_link(const uint8_t *dst, const uint8_t *oui, uint16_t type, libnet_t *l)
1.1       misho      61: {
1.1.1.2   misho      62:     uint8_t org[3] = {0x00, 0x00, 0x00};
1.1       misho      63:     switch (l->link_type)
                     64:     {
                     65:        /* add FDDI */
                     66:         case DLT_EN10MB:
                     67:             return (libnet_autobuild_ethernet(dst, type, l));
                     68:         case DLT_IEEE802:
                     69:             return (libnet_autobuild_token_ring(LIBNET_TOKEN_RING_FRAME,
                     70:                    LIBNET_TOKEN_RING_LLC_FRAME, dst, LIBNET_SAP_SNAP,
                     71:                    LIBNET_SAP_SNAP, 0x03, org, TOKEN_RING_TYPE_IP, l));
                     72:     }
                     73:     snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
1.1.1.3 ! misho      74:             "%s(): linktype %d not supported", __func__, l->link_type);
1.1       misho      75:     return (-1);
                     76: }
                     77: 
1.1.1.3 ! misho      78: /**
        !            79:  * Local Variables:
        !            80:  *  indent-tabs-mode: nil
        !            81:  *  c-file-style: "stroustrup"
        !            82:  * End:
        !            83:  */