pibrump.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   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.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   pibrump.c - Atheros Classification Rule Dump Utility;
     *
     *   This program read classification rules stored in a PIB file and
     *   prints them on stdout in a format similar to int6krule commands;
     *
     *
     *   Contributor(s):
     *      Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *   system header files;
     *--------------------------------------------------------------------*/

    #include <unistd.h>
    #include <stdlib.h>
    #include <stdint.h>
    #include <string.h>
    #include <netinet/in.h>
    #include <arpa/inet.h>

    /*====================================================================*
     *   custom header files;
     *--------------------------------------------------------------------*/

    #include "../tools/getoptv.h"
    #include "../tools/memory.h"
    #include "../tools/symbol.h"
    #include "../tools/types.h"
    #include "../tools/flags.h"
    #include "../tools/files.h"
    #include "../tools/error.h"
    #include "../pib/pib.h"
    #include "../plc/rules.h"

    /*====================================================================*
     *   custom source files;
     *--------------------------------------------------------------------*/

    #ifndef MAKEFILE
    #include "../tools/getoptv.c"
    #include "../tools/putoptv.c"
    #include "../tools/version.c"
    #include "../tools/lookup.c"
    #include "../tools/reword.c"
    #include "../tools/hexstring.c"
    #include "../tools/hexdecode.c"
    #include "../tools/fdchecksum32.c"
    #include "../tools/memout.c"
    #include "../tools/error.c"
    #endif

    #ifndef MAKEFILE
    #include "../pib/pibfile1.c"
    #endif

    #ifndef MAKEFILE
    #include "../plc/rules.c"
    #endif

    /*====================================================================*
     *   program constants;
     *--------------------------------------------------------------------*/

    #define PIB_MAX_AUTOCONN 16
    #define PIB_MAX_PRIORITY_MAPS 8

    #define PIB_AUTOCONN_COUNT_OFFSET 0x22C
    #define PIB_PRIORITY_COUNT_OFFSET 0x228

    #define PIB_AUTOCONN_OFFSET 0x310
    #define PIB_PRIORITY_MAPS_OFFSET 0x230

    /*====================================================================*
     *
     *   signed Classifier (struct PIBClassifier * classifier);
     *
     *   plc.h
     *
     *   This function for program pibrump displays a single classifier;
     *
     *   Contributor(s):
     *      Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    signed Classifier (struct PIBClassifier * classifier)

    {
    	char buffer [sizeof (classifier->CR_VALUE) * 3 + 1];
    	uint32_t val32;
    	uint16_t val16;
    	uint8_t val8;
    	printf ("%s %s", reword (classifier->CR_PID, fields, SIZEOF (fields)), reword (classifier->CR_OPERAND, operators, SIZEOF (operators)));
    	switch (classifier->CR_PID)
    	{
    	case FIELD_ETH_SA:
    	case FIELD_ETH_DA:
    		printf (" %s", hexstring (buffer, sizeof (buffer), classifier->CR_VALUE, ETHER_ADDR_LEN));
    		break;
    	case FIELD_IPV4_SA:
    	case FIELD_IPV4_DA:
    		putchar (' ');
    		memout (classifier->CR_VALUE, IPv4_LEN, "%d", 1, '.', 0, stdout);
    		break;
    	case FIELD_IPV6_SA:
    	case FIELD_IPV6_DA:
    		putchar (' ');
    		memout (classifier->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, classifier->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, classifier->CR_VALUE, sizeof (val16));
    		val16 = ntohs (val16);
    		printf (" %d", val16);
    		break;
    	case FIELD_ETH_TYPE:
    		memcpy (&val16, classifier->CR_VALUE, sizeof (val16));
    		printf (" 0x%04X", val16);
    		break;
    	case FIELD_IPV6_FL:
    		memcpy (&val32, &classifier->CR_VALUE [0], sizeof (val32));
    		val32 = ntohl (val32);
    		printf (" 0x%08X", val32);
    		break;
    	case FIELD_HPAV_MME:
    		memcpy (&val8, &classifier->CR_VALUE [0], sizeof (val8));
    		memcpy (&val16, &classifier->CR_VALUE [1], sizeof (val16));
    		printf (" %02x:%04x", val8, val16);
    		break;
    	case FIELD_TCP_ACK:
    		{
    			code_t val;
    			memcpy (&val, classifier->CR_VALUE, sizeof (val));
    			printf (" %s", reword (val, states, SIZEOF (states)));
    		}
    		break;
    	case FIELD_VLAN_TAG:
    		{
    			code_t val;
    			memcpy (&val, classifier->CR_VALUE, sizeof (val));
    			printf (" %s", reword (val, states, SIZEOF (states)));
    		}
    		break;
    	default:
    		printf (" *****UNSUPPORTED CODE*****");
    		break;
    	}
    	return (0);
    }

    /*====================================================================*
     *
     *   signed AutoConnection (struct auto_connection * auto_connection, flag_t flags)
     *
     *   plc.h
     *
     *   This function for program pibrump displays a single AutoConnection
     *   structure;
     *
     *   Contributor(s):
     *      Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    signed AutoConnection (struct auto_connection * auto_connection)

    {
    	int i;
    	if (auto_connection->MACTION == ACTION_TAGTX)
    	{
    		printf ("-T 0x%08X -V %d ", ntohl (auto_connection->cspec.VLAN_TAG), LE16TOH (auto_connection->cspec.CSPEC_VERSION));
    	}
    	printf ("%s", reword (auto_connection->MACTION, actions, SIZEOF (actions)));
    	printf (" %s ", reword (auto_connection->MOPERAND, operands, SIZEOF (operands)));
    	for (i = 0; i < LE16TOH (auto_connection->NUM_CLASSIFIERS); ++i)
    	{
    		Classifier (&auto_connection->CLASSIFIER [i]);
    		putchar (' ');
    	}
    	printf ("add perm\n");
    	return (0);
    }

    /*====================================================================*
     *
     *   signed ClassifierPriorityMap (struct classifier_priority_map * map)
     *
     *   plc.h
     *
     *   This function for program pibrump displays a single
     *   ClassifierPriorityMap structure;
     *
     *   Contributor(s):
     *      Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    signed ClassifierPriorityMap (struct classifier_priority_map * map)

    {
    	printf ("%s Any ", reword (LE32TOH (map->Priority), actions, SIZEOF (actions)));
    	Classifier (&map->CLASSIFIER);
    	printf (" add perm\n");
    	return (0);
    }

    /*====================================================================*
     *
     *   int main (int argc, char const * argv[]);
     *
     *--------------------------------------------------------------------*/

    int main (int argc, char const * argv [])

    {
    	static char const * optv [] =
    	{
    		"eqv",
    		"pibfile",
    		"Atheros Classification Rule Dump Utility",
    		"e\tredirect stderr messages to stdout",
    		"q\tquiet mode",
    		"v\tverbose mode",
    		(char const *) (0)
    	};
    	struct auto_connection auto_connection [PIB_MAX_AUTOCONN];
    	struct classifier_priority_map classifier_priority_map [PIB_MAX_PRIORITY_MAPS];
    	uint32_t AutoConnection_count;
    	uint32_t PriorityMaps_count;
    	unsigned i;
    	flag_t flags = (flag_t)(0);
    	struct _file_ pib;
    	signed c;
    	optind = 1;
    	while ((c = getoptv (argc, argv, optv)) != -1)
    	{
    		switch ((char) (c))
    		{
    		case 'e':
    			dup2 (STDOUT_FILENO, STDERR_FILENO);
    			break;
    		case 'q':
    			_setbits (flags, PIB_SILENCE);
    			break;
    		case 'v':
    			_setbits (flags, PIB_VERBOSE);
    			break;
    		default:
    			break;
    		}
    	}
    	argc -= optind;
    	argv += optind;
    	while ((argc) && (* argv))
    	{
    		pib.name = * argv;
    		if ((pib.file = open (pib.name, O_BINARY|O_RDONLY)) == -1)
    		{
    			error (1, errno, "%s", pib.name);
    		}
    		if (pibfile1 (&pib))
    		{
    			error (1, errno, "Bad PIB file: %s", pib.name);
    		}
    		if (lseek (pib.file, PIB_AUTOCONN_COUNT_OFFSET, SEEK_SET) != PIB_AUTOCONN_COUNT_OFFSET)
    		{
    			error (1, errno, "could not seek to AutoConnection count");
    		}
    		if (read (pib.file, &AutoConnection_count, sizeof (AutoConnection_count)) != sizeof (AutoConnection_count))
    		{
    			error (1, errno, "could not read AutoConnection count");
    		}
    		if (lseek (pib.file, PIB_AUTOCONN_OFFSET, SEEK_SET) != PIB_AUTOCONN_OFFSET)
    		{
    			error (1, errno, "could not seek to AutoConnections");
    		}
    		if (read (pib.file, &auto_connection, sizeof (auto_connection)) != sizeof (auto_connection))
    		{
    			error (1, errno, "could not read AutoConnections");
    		}
    		if (lseek (pib.file, PIB_PRIORITY_COUNT_OFFSET, SEEK_SET) != PIB_PRIORITY_COUNT_OFFSET)
    		{
    			error (1, errno, "could not seek to PriorityMaps count");
    		}
    		if (read (pib.file, &PriorityMaps_count, sizeof (PriorityMaps_count)) != sizeof (PriorityMaps_count))
    		{
    			error (1, errno, "could not read PriorityMaps count");
    		}
    		if (lseek (pib.file, PIB_PRIORITY_MAPS_OFFSET, SEEK_SET) != PIB_PRIORITY_MAPS_OFFSET)
    		{
    			error (1, errno, "could not seek to Priority Map");
    		}
    		if (read (pib.file, &classifier_priority_map, sizeof (classifier_priority_map)) != sizeof (classifier_priority_map))
    		{
    			error (1, errno, "could not read Priority Map");
    		}
    		close (pib.file);
    		if (_allclr (flags, PIB_SILENCE))
    		{
    			printf ("# auto connection rules:\n");
    		}
    		for (i = 0; i < AutoConnection_count; ++i)
    		{
    			AutoConnection (&auto_connection [i]);
    		}
    		if (_allclr (flags, PIB_SILENCE))
    		{
    			printf ("# priority mapping rules:\n");
    		}
    		for (i = 0; i < PriorityMaps_count; ++i)
    		{
    			ClassifierPriorityMap (&classifier_priority_map [i]);
    		}
    		argv++;
    		argc--;
    	}
    	exit (0);
    }

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