C++ (Cpp) tcpedit_dlt_l3data_merge Examples

Example #1

File: null.c Project: 1and1get2/tcpreplay

/*
 * function merges the packet (containing L2 and old L3) with the l3data buffer
 * containing the new l3 data.  Note, if L2 % 4 == 0, then they're pointing to the
 * same buffer, otherwise there was a memcpy involved on strictly aligned architectures
 * like SPARC
 */
u_char *
dlt_null_merge_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen, u_char *l3data)
{
    int l2len;
    assert(ctx);
    assert(packet);
    assert(l3data);
    
    l2len = dlt_null_l2len(ctx, packet, pktlen);
    
    assert(pktlen >= l2len);
    
    return tcpedit_dlt_l3data_merge(ctx, packet, pktlen, l3data, l2len);
}

Example #2

File: linuxsll.c Project: GabrielGanne/tcpreplay

/*
 * function merges the packet (containing L2 and old L3) with the l3data buffer
 * containing the new l3 data.  Note, if L2 % 4 == 0, then they're pointing to the
 * same buffer, otherwise there was a memcpy involved on strictly aligned architectures
 * like SPARC
 */
u_char *
dlt_linuxsll_merge_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen, u_char *l3data)
{
    int l2len;
    assert(ctx);
    assert(packet);
    assert(l3data);

    l2len = dlt_linuxsll_l2len(ctx, packet, pktlen);
    if (l2len == -1 || pktlen < l2len)
        return NULL;

    return tcpedit_dlt_l3data_merge(ctx, packet, pktlen, l3data, l2len);
}

Example #3

File: radiotap.c Project: 1and1get2/tcpreplay

/*
 * function merges the packet (containing L2 and old L3) with the l3data buffer
 * containing the new l3 data.  Note, if L2 % 4 == 0, then they're pointing to the
 * same buffer, otherwise there was a memcpy involved on strictly aligned architectures
 * like SPARC
 */
u_char *
dlt_radiotap_merge_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen, u_char *l3data)
{
    int radiolen, l2len;
    u_char *data;
    
    assert(ctx);
    assert(packet);
    assert(l3data);

    radiolen = dlt_radiotap_l2len(ctx, packet, pktlen);
    data = dlt_radiotap_get_80211(ctx, packet, pktlen, radiolen);
    l2len = dlt_ieee80211_l2len(ctx, data, pktlen);
    return tcpedit_dlt_l3data_merge(ctx, data, pktlen - radiolen, l3data, l2len);
}

Example #4

File: hdlc.c Project: Mipam/tcpreplay

/*
 * function merges the packet (containing L2 and old L3) with the l3data buffer
 * containing the new l3 data.  Note, if L2 % 4 == 0, then they're pointing to the
 * same buffer, otherwise there was a memcpy involved on strictly aligned architectures
 * like SPARC
 */
u_char *
dlt_hdlc_merge_layer3(tcpeditdlt_t *ctx, u_char *packet, const int pktlen, u_char *l3data)
{
    int l2len;
    assert(ctx);
    assert(packet);
    assert(l3data);
    
    /* FIXME: Is there anything else we need to do?? */
    l2len = dlt_hdlc_l2len(ctx, packet, pktlen);
    
    assert(pktlen >= l2len);
    
    return tcpedit_dlt_l3data_merge(ctx, packet, pktlen, l3data, l2len);
}