6efcabd415
Redefine various IPv4 address constants and testing macros to avoid unnecessary byte swapping at runtime, and slightly rename the macros to prevent code from accidentally using the old definitions. Signed-off-by: Michael Brown <mcb30@ipxe.org>
155 lines
4.8 KiB
C
155 lines
4.8 KiB
C
/*
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* Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* IPv4 tests
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*
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <stdint.h>
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#include <string.h>
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#include <byteswap.h>
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#include <ipxe/in.h>
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#include <ipxe/test.h>
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/** Define inline IPv4 address */
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#define IPV4(a,b,c,d) \
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htonl ( ( (a) << 24 ) | ( (b) << 16 ) | ( (c) << 8 ) | (d) )
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/**
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* Report an inet_ntoa() test result
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*
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* @v addr IPv4 address
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* @v text Expected textual representation
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* @v file Test code file
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* @v line Test code line
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*/
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static void inet_ntoa_okx ( uint32_t addr, const char *text, const char *file,
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unsigned int line ) {
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struct in_addr in = { .s_addr = addr };
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char *actual;
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/* Format address */
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actual = inet_ntoa ( in );
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DBG ( "inet_ntoa ( %d.%d.%d.%d ) = %s\n",
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( ( ntohl ( addr ) >> 24 ) & 0xff ),
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( ( ntohl ( addr ) >> 16 ) & 0xff ),
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( ( ntohl ( addr ) >> 8 ) & 0xff ),
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( ( ntohl ( addr ) >> 0 ) & 0xff ), actual );
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okx ( strcmp ( actual, text ) == 0, file, line );
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}
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#define inet_ntoa_ok( addr, text ) \
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inet_ntoa_okx ( addr, text, __FILE__, __LINE__ )
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/**
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* Report an inet_aton() test result
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*
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* @v text Textual representation
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* @v addr Expected IPv4 address
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* @v file Test code file
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* @v line Test code line
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*/
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static void inet_aton_okx ( const char *text, uint32_t addr, const char *file,
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unsigned int line ) {
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struct in_addr actual;
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/* Parse address */
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okx ( inet_aton ( text, &actual ) != 0, file, line );
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DBG ( "inet_aton ( \"%s\" ) = %s\n", text, inet_ntoa ( actual ) );
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okx ( actual.s_addr == addr, file, line );
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};
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#define inet_aton_ok( text, addr ) \
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inet_aton_okx ( text, addr, __FILE__, __LINE__ )
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/**
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* Report an inet_aton() failure test result
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*
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* @v text Textual representation
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* @v file Test code file
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* @v line Test code line
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*/
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static void inet_aton_fail_okx ( const char *text, const char *file,
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unsigned int line ) {
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struct in_addr actual;
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/* Attempt to parse address */
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okx ( inet_aton ( text, &actual ) == 0, file, line );
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}
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#define inet_aton_fail_ok( text ) \
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inet_aton_fail_okx ( text, __FILE__, __LINE__ )
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/**
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* Perform IPv4 self-tests
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*
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*/
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static void ipv4_test_exec ( void ) {
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/* Address testing macros */
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ok ( IN_IS_CLASSA ( IPV4 ( 10, 0, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSB ( IPV4 ( 10, 0, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSC ( IPV4 ( 10, 0, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSA ( IPV4 ( 172, 16, 0, 1 ) ) );
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ok ( IN_IS_CLASSB ( IPV4 ( 172, 16, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSC ( IPV4 ( 172, 16, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSA ( IPV4 ( 192, 168, 0, 1 ) ) );
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ok ( ! IN_IS_CLASSB ( IPV4 ( 192, 168, 0, 1 ) ) );
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ok ( IN_IS_CLASSC ( IPV4 ( 192, 168, 0, 1 ) ) );
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ok ( ! IN_IS_MULTICAST ( IPV4 ( 127, 0, 0, 1 ) ) );
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ok ( ! IN_IS_MULTICAST ( IPV4 ( 8, 8, 8, 8 ) ) );
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ok ( ! IN_IS_MULTICAST ( IPV4 ( 0, 0, 0, 0 ) ) );
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ok ( ! IN_IS_MULTICAST ( IPV4 ( 223, 0, 0, 1 ) ) );
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ok ( ! IN_IS_MULTICAST ( IPV4 ( 240, 0, 0, 1 ) ) );
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ok ( IN_IS_MULTICAST ( IPV4 ( 224, 0, 0, 1 ) ) );
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ok ( IN_IS_MULTICAST ( IPV4 ( 231, 89, 0, 2 ) ) );
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ok ( IN_IS_MULTICAST ( IPV4 ( 239, 6, 1, 17 ) ) );
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/* inet_ntoa() tests */
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inet_ntoa_ok ( IPV4 ( 127, 0, 0, 1 ), "127.0.0.1" );
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inet_ntoa_ok ( IPV4 ( 0, 0, 0, 0 ), "0.0.0.0" );
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inet_ntoa_ok ( IPV4 ( 255, 255, 255, 255 ), "255.255.255.255" );
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inet_ntoa_ok ( IPV4 ( 212, 13, 204, 60 ), "212.13.204.60" );
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/* inet_aton() tests */
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inet_aton_ok ( "212.13.204.60", IPV4 ( 212, 13, 204, 60 ) );
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inet_aton_ok ( "127.0.0.1", IPV4 ( 127, 0, 0, 1 ) );
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/* inet_aton() failure tests */
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inet_aton_fail_ok ( "256.0.0.1" ); /* Byte out of range */
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inet_aton_fail_ok ( "212.13.204.60.1" ); /* Too long */
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inet_aton_fail_ok ( "127.0.0" ); /* Too short */
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inet_aton_fail_ok ( "1.2.3.a" ); /* Invalid characters */
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inet_aton_fail_ok ( "127.0..1" ); /* Missing bytes */
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}
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/** IPv4 self-test */
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struct self_test ipv4_test __self_test = {
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.name = "ipv4",
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.exec = ipv4_test_exec,
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};
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