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Annotation of embedaddon/libnet/src/libnet_build_link.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  *  $Id: libnet_build_link.c,v 1.9 2004/03/04 20:50:20 kkuehl Exp $
                      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: 
                     34: #if (HAVE_CONFIG_H)
                     35: #include "../include/config.h"
                     36: #endif
                     37: #if (!(_WIN32) || (__CYGWIN__))
                     38: #include "../include/libnet.h"
                     39: #else
                     40: #include "../include/win32/libnet.h"
                     41: #endif
                     42: 
                     43: libnet_ptag_t
                     44: libnet_build_link(u_int8_t *dst, u_int8_t *src, u_int8_t *oui, u_int16_t type,
                     45: u_int8_t *payload, u_int32_t payload_s, libnet_t *l, libnet_ptag_t ptag)
                     46: 
                     47: {
                     48:        u_int8_t org[3] = {0x00, 0x00, 0x00};
                     49:     switch (l->link_type)
                     50:     {
                     51:         /* add FDDI */
                     52:         case DLT_EN10MB:
                     53:             return (libnet_build_ethernet(dst, src, type, payload, payload_s, l,
                     54:                     ptag));
                     55:         case DLT_IEEE802:
                     56:             return (libnet_build_token_ring(LIBNET_TOKEN_RING_FRAME,
                     57:                     LIBNET_TOKEN_RING_LLC_FRAME, dst, src, LIBNET_SAP_SNAP,
                     58:                     LIBNET_SAP_SNAP, 0x03, org, type, payload, payload_s,
                     59:                     l, ptag));
                     60:         default:
                     61:             break;
                     62:     }
                     63:     snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
                     64:             "%s(): linktype %d not supported\n", __func__, l->link_type);
                     65:     return (-1);
                     66: }
                     67: 
                     68: libnet_ptag_t
                     69: libnet_autobuild_link(u_int8_t *dst, u_int8_t *oui, u_int16_t type, libnet_t *l)
                     70: {
                     71:        u_int8_t org[3] = {0x00, 0x00, 0x00};
                     72:     switch (l->link_type)
                     73:     {
                     74:        /* add FDDI */
                     75:         case DLT_EN10MB:
                     76:             return (libnet_autobuild_ethernet(dst, type, l));
                     77:         case DLT_IEEE802:
                     78:             return (libnet_autobuild_token_ring(LIBNET_TOKEN_RING_FRAME,
                     79:                    LIBNET_TOKEN_RING_LLC_FRAME, dst, LIBNET_SAP_SNAP,
                     80:                    LIBNET_SAP_SNAP, 0x03, org, TOKEN_RING_TYPE_IP, l));
                     81:         default:
                     82:             break;
                     83:     }
                     84:     snprintf(l->err_buf, LIBNET_ERRBUF_SIZE,
                     85:             "%s(): linktype %d not supported\n", __func__, l->link_type);
                     86:     return (-1);
                     87: }
                     88: 
                     89: /* EOF */
                     90: