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/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* signed PrintRule (uint32_t CR_PID, uint32_t CR_OPERAND, uint8_t CR_VALUE []);
*
* rules.h
*
* print one classifier rule on stdout;
*
* some classifier rule structures have an 8-bit PID and OPERAND
* while others have a 32-bit PID and OPERAND; this function is
* the common demominator;
*
* Contributor(s):
* Nathaniel Houghton
* Charles Maier
*
*--------------------------------------------------------------------*/
#ifndef PRINTRULE_SOURCE
#define PRINTRULE_SOURCE
#include <string.h>
#include "../plc/rules.h"
#include "../tools/error.h"
signed PrintRule (uint32_t CR_PID, uint32_t CR_OPERAND, uint8_t CR_VALUE [])
{
char buffer [CLASSIFIER_STRING];
uint32_t val32;
uint16_t val16;
uint8_t val8;
const char * p1;
const char * p2;
p1 = reword (CR_PID, fields, SIZEOF (fields));
if (p1 == NULL)
{
error (1, 0, "invalid classifier PID");
}
p2 = reword (CR_OPERAND, operators, SIZEOF (operators));
if (p2 == NULL)
{
error (1, 0, "invalid classifier operand");
}
printf ("%s %s", p1, p2);
switch (CR_PID)
{
case FIELD_ETH_SA:
case FIELD_ETH_DA:
printf (" %s", hexstring (buffer, sizeof (buffer), CR_VALUE, ETHER_ADDR_LEN));
break;
case FIELD_IPV4_SA:
case FIELD_IPV4_DA:
putchar (' ');
memout (CR_VALUE, IPv4_LEN, "%d", 1, '.', 0, stdout);
break;
case FIELD_IPV6_SA:
case FIELD_IPV6_DA:
putchar (' ');
memout (CR_VALUE, IPv6_LEN, "%02x", 2, ':', 0, stdout);
break;
case FIELD_VLAN_UP:
case FIELD_IPV6_TC:
case FIELD_IPV4_TOS:
case FIELD_IPV4_PROT:
memcpy (& val8, CR_VALUE, sizeof (val8));
printf (" 0x%02X", val8);
break;
case FIELD_VLAN_ID:
case FIELD_TCP_SP:
case FIELD_TCP_DP:
case FIELD_UDP_SP:
case FIELD_UDP_DP:
case FIELD_IP_SP:
case FIELD_IP_DP:
memcpy (& val16, CR_VALUE, sizeof (val16));
val16 = ntohs (val16);
printf (" %d", val16);
break;
case FIELD_ETH_TYPE:
memcpy (& val16, CR_VALUE, sizeof (val16));
val16 = ntohs (val16);
printf (" 0x%04X", val16);
break;
case FIELD_IPV6_FL:
memcpy (& val32, & CR_VALUE [0], sizeof (val32));
val32 = ntohl (val32);
printf (" 0x%08X", val32);
break;
case FIELD_HPAV_MME:
memcpy (& val8, & CR_VALUE [0], sizeof (val8));
memcpy (& val16, & CR_VALUE [1], sizeof (val16));
printf (" %02x:%04x", val8, val16);
break;
case FIELD_TCP_ACK:
{
code_t val;
const char * p;
memcpy (& val, CR_VALUE, sizeof (val));
p = reword (val, states, SIZEOF (states));
if (p == NULL)
{
error (1, 0, "invalid TCP ACK flag");
}
printf (" %s", p);
}
break;
case FIELD_VLAN_TAG:
{
code_t val;
const char * p;
memcpy (& val, CR_VALUE, sizeof (val));
p = reword (val, states, SIZEOF (states));
if (p == NULL)
{
error (1, 0, "invalid VLAN tag flag");
}
printf (" %s", p);
}
break;
default:
printf (" *****UNSUPPORTED CODE*****");
break;
}
return (0);
}
#endif
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