| /* |
| * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| * |
| * You can also choose to distribute this program under the terms of |
| * the Unmodified Binary Distribution Licence (as given in the file |
| * COPYING.UBDL), provided that you have satisfied its requirements. |
| */ |
| |
| FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); |
| |
| /** @file |
| * |
| * IPv4 tests |
| * |
| */ |
| |
| /* Forcibly enable assertions */ |
| #undef NDEBUG |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <assert.h> |
| #include <byteswap.h> |
| #include <ipxe/in.h> |
| #include <ipxe/ip.h> |
| #include <ipxe/test.h> |
| #include "netdev_test.h" |
| |
| /** Define inline IPv4 address */ |
| #define IPV4(a,b,c,d) \ |
| htonl ( ( (a) << 24 ) | ( (b) << 16 ) | ( (c) << 8 ) | (d) ) |
| |
| /** |
| * Report an inet_ntoa() test result |
| * |
| * @v addr IPv4 address |
| * @v text Expected textual representation |
| * @v file Test code file |
| * @v line Test code line |
| */ |
| static void inet_ntoa_okx ( uint32_t addr, const char *text, const char *file, |
| unsigned int line ) { |
| struct in_addr in = { .s_addr = addr }; |
| char *actual; |
| |
| /* Format address */ |
| actual = inet_ntoa ( in ); |
| DBG ( "inet_ntoa ( %d.%d.%d.%d ) = %s\n", |
| ( ( ntohl ( addr ) >> 24 ) & 0xff ), |
| ( ( ntohl ( addr ) >> 16 ) & 0xff ), |
| ( ( ntohl ( addr ) >> 8 ) & 0xff ), |
| ( ( ntohl ( addr ) >> 0 ) & 0xff ), actual ); |
| okx ( strcmp ( actual, text ) == 0, file, line ); |
| } |
| #define inet_ntoa_ok( addr, text ) \ |
| inet_ntoa_okx ( addr, text, __FILE__, __LINE__ ) |
| |
| /** |
| * Report an inet_aton() test result |
| * |
| * @v text Textual representation |
| * @v addr Expected IPv4 address |
| * @v file Test code file |
| * @v line Test code line |
| */ |
| static void inet_aton_okx ( const char *text, uint32_t addr, const char *file, |
| unsigned int line ) { |
| struct in_addr actual; |
| |
| /* Parse address */ |
| okx ( inet_aton ( text, &actual ) != 0, file, line ); |
| DBG ( "inet_aton ( \"%s\" ) = %s\n", text, inet_ntoa ( actual ) ); |
| okx ( actual.s_addr == addr, file, line ); |
| }; |
| #define inet_aton_ok( text, addr ) \ |
| inet_aton_okx ( text, addr, __FILE__, __LINE__ ) |
| |
| /** |
| * Report an inet_aton() failure test result |
| * |
| * @v text Textual representation |
| * @v file Test code file |
| * @v line Test code line |
| */ |
| static void inet_aton_fail_okx ( const char *text, const char *file, |
| unsigned int line ) { |
| struct in_addr actual; |
| |
| /* Attempt to parse address */ |
| okx ( inet_aton ( text, &actual ) == 0, file, line ); |
| } |
| #define inet_aton_fail_ok( text ) \ |
| inet_aton_fail_okx ( text, __FILE__, __LINE__ ) |
| |
| /** |
| * Report an ipv4_route() test result |
| * |
| * @v dest Destination address |
| * @v scope Destination scope test network device, or NULL |
| * @v next Expected next hop address (on success) |
| * @v egress Expected egress device, or NULL to expect failure |
| * @v src Expected source address (on success) |
| * @v bcast Expected broadcast packet (on success) |
| * @v file Test code file |
| * @v line Test code line |
| */ |
| static void ipv4_route_okx ( const char *dest, struct testnet *scope, |
| const char *next, struct testnet *egress, |
| const char *src, int bcast, |
| const char *file, unsigned int line ) { |
| struct ipv4_miniroute *miniroute; |
| struct in_addr in_dest; |
| struct in_addr in_src; |
| struct in_addr in_next; |
| struct in_addr actual; |
| unsigned int scope_id; |
| |
| /* Sanity checks */ |
| assert ( ( scope == NULL ) || ( scope->netdev != NULL ) ); |
| assert ( ( egress == NULL ) == ( src == NULL ) ); |
| |
| /* Parse addresses */ |
| okx ( inet_aton ( dest, &in_dest ) != 0, file, line ); |
| if ( src ) |
| okx ( inet_aton ( src, &in_src ) != 0, file, line ); |
| if ( next ) { |
| okx ( inet_aton ( next, &in_next ) != 0, file, line ); |
| } else { |
| in_next.s_addr = in_dest.s_addr; |
| } |
| |
| /* Perform routing */ |
| actual.s_addr = in_dest.s_addr; |
| scope_id = ( scope ? scope->netdev->scope_id : 0 ); |
| miniroute = ipv4_route ( scope_id, &actual ); |
| |
| /* Validate result */ |
| if ( src ) { |
| |
| /* Check that a route was found */ |
| okx ( miniroute != NULL, file, line ); |
| DBG ( "ipv4_route ( %s, %s ) = %s", |
| ( scope ? scope->dev.name : "<any>" ), dest, |
| inet_ntoa ( actual ) ); |
| DBG ( " from %s via %s\n", |
| inet_ntoa ( miniroute->address ), egress->dev.name ); |
| |
| /* Check that expected network device was used */ |
| okx ( miniroute->netdev == egress->netdev, file, line ); |
| |
| /* Check that expected source address was used */ |
| okx ( miniroute->address.s_addr == in_src.s_addr, file, line ); |
| |
| /* Check that expected next hop address was used */ |
| okx ( actual.s_addr == in_next.s_addr, file, line ); |
| |
| /* Check that expected broadcast choice was used */ |
| okx ( ( ! ( ( ~actual.s_addr ) & miniroute->hostmask.s_addr ) ) |
| == ( !! bcast ), file, line ); |
| |
| } else { |
| |
| /* Routing is expected to fail */ |
| okx ( miniroute == NULL, file, line ); |
| DBG ( "ipv4_route ( %s, %s ) = <unreachable>\n", |
| ( scope ? scope->dev.name : "<any>" ), dest ); |
| } |
| } |
| #define ipv4_route_ok( dest, scope, next, egress, src, bcast ) \ |
| ipv4_route_okx ( dest, scope, next, egress, src, bcast, \ |
| __FILE__, __LINE__ ) |
| |
| /** net0: Single address and gateway (DHCP assignment) */ |
| TESTNET ( net0, |
| { "dhcp/ip", "192.168.0.1" }, |
| { "dhcp/netmask", "255.255.255.0" }, |
| { "dhcp/gateway", "192.168.0.254" } ); |
| |
| /** net1: Single address and gateway (DHCP assignment) */ |
| TESTNET ( net1, |
| { "dhcp/ip", "192.168.0.2" }, |
| { "dhcp/netmask", "255.255.255.0" }, |
| { "dhcp/gateway", "192.168.0.254" } ); |
| |
| /** net2: Small /31 subnet mask */ |
| TESTNET ( net2, |
| { "ip", "10.31.31.0" }, |
| { "netmask", "255.255.255.254" }, |
| { "gateway", "10.31.31.1" } ); |
| |
| /** net3: Small /32 subnet mask */ |
| TESTNET ( net3, |
| { "ip", "10.32.32.32" }, |
| { "netmask", "255.255.255.255" }, |
| { "gateway", "192.168.32.254" } ); |
| |
| /** net4: Local subnet with no gateway */ |
| TESTNET ( net4, |
| { "ip", "192.168.86.1" }, |
| { "netmask", "255.255.240.0" } ); |
| |
| /** net5: Static routes */ |
| TESTNET ( net5, |
| { "ip", "10.42.0.1" }, |
| { "netmask", "255.255.0.0" }, |
| { "gateway", "10.42.0.254" /* should be ignored */ }, |
| { "static-routes", |
| "19:0a:2b:2b:80:0a:2a:2b:2b:" /* 10.43.43.128/25 via 10.42.43.43 */ |
| "10:c0:a8:0a:2a:c0:a8:" /* 192.168.0.0/16 via 10.42.192.168 */ |
| "18:c0:a8:00:00:00:00:00:" /* 192.168.0.0/24 on-link */ |
| "00:0a:2a:01:01" /* default via 10.42.1.1 */ } ); |
| |
| /** |
| * Perform IPv4 self-tests |
| * |
| */ |
| static void ipv4_test_exec ( void ) { |
| |
| /* Address testing macros */ |
| ok ( IN_IS_CLASSA ( IPV4 ( 10, 0, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSB ( IPV4 ( 10, 0, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSC ( IPV4 ( 10, 0, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSA ( IPV4 ( 172, 16, 0, 1 ) ) ); |
| ok ( IN_IS_CLASSB ( IPV4 ( 172, 16, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSC ( IPV4 ( 172, 16, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSA ( IPV4 ( 192, 168, 0, 1 ) ) ); |
| ok ( ! IN_IS_CLASSB ( IPV4 ( 192, 168, 0, 1 ) ) ); |
| ok ( IN_IS_CLASSC ( IPV4 ( 192, 168, 0, 1 ) ) ); |
| ok ( ! IN_IS_MULTICAST ( IPV4 ( 127, 0, 0, 1 ) ) ); |
| ok ( ! IN_IS_MULTICAST ( IPV4 ( 8, 8, 8, 8 ) ) ); |
| ok ( ! IN_IS_MULTICAST ( IPV4 ( 0, 0, 0, 0 ) ) ); |
| ok ( ! IN_IS_MULTICAST ( IPV4 ( 223, 0, 0, 1 ) ) ); |
| ok ( ! IN_IS_MULTICAST ( IPV4 ( 240, 0, 0, 1 ) ) ); |
| ok ( IN_IS_MULTICAST ( IPV4 ( 224, 0, 0, 1 ) ) ); |
| ok ( IN_IS_MULTICAST ( IPV4 ( 231, 89, 0, 2 ) ) ); |
| ok ( IN_IS_MULTICAST ( IPV4 ( 239, 6, 1, 17 ) ) ); |
| |
| /* inet_ntoa() tests */ |
| inet_ntoa_ok ( IPV4 ( 127, 0, 0, 1 ), "127.0.0.1" ); |
| inet_ntoa_ok ( IPV4 ( 0, 0, 0, 0 ), "0.0.0.0" ); |
| inet_ntoa_ok ( IPV4 ( 255, 255, 255, 255 ), "255.255.255.255" ); |
| inet_ntoa_ok ( IPV4 ( 212, 13, 204, 60 ), "212.13.204.60" ); |
| |
| /* inet_aton() tests */ |
| inet_aton_ok ( "212.13.204.60", IPV4 ( 212, 13, 204, 60 ) ); |
| inet_aton_ok ( "127.0.0.1", IPV4 ( 127, 0, 0, 1 ) ); |
| |
| /* inet_aton() failure tests */ |
| inet_aton_fail_ok ( "256.0.0.1" ); /* Byte out of range */ |
| inet_aton_fail_ok ( "212.13.204.60.1" ); /* Too long */ |
| inet_aton_fail_ok ( "127.0.0" ); /* Too short */ |
| inet_aton_fail_ok ( "1.2.3.a" ); /* Invalid characters */ |
| inet_aton_fail_ok ( "127.0..1" ); /* Missing bytes */ |
| |
| /* Single address and gateway */ |
| testnet_ok ( &net0 ); |
| ipv4_route_ok ( "192.168.0.10", NULL, |
| "192.168.0.10", &net0, "192.168.0.1", 0 ); |
| ipv4_route_ok ( "10.0.0.6", NULL, |
| "192.168.0.254", &net0, "192.168.0.1", 0 ); |
| ipv4_route_ok ( "192.168.0.255", NULL, |
| "192.168.0.255", &net0, "192.168.0.1", 1 ); |
| testnet_remove_ok ( &net0 ); |
| |
| /* Overridden DHCP-assigned address */ |
| testnet_ok ( &net1 ); |
| ipv4_route_ok ( "192.168.1.3", NULL, |
| "192.168.0.254", &net1, "192.168.0.2", 0 ); |
| testnet_set_ok ( &net1, "ip", "192.168.1.2" ); |
| ipv4_route_ok ( "192.168.1.3", NULL, |
| "192.168.1.3", &net1, "192.168.1.2", 0 ); |
| testnet_remove_ok ( &net1 ); |
| |
| /* Small /31 subnet */ |
| testnet_ok ( &net2 ); |
| ipv4_route_ok ( "10.31.31.1", NULL, |
| "10.31.31.1", &net2, "10.31.31.0", 0 ); |
| ipv4_route_ok ( "212.13.204.60", NULL, |
| "10.31.31.1", &net2, "10.31.31.0", 0 ); |
| testnet_remove_ok ( &net2 ); |
| |
| /* Small /32 subnet */ |
| testnet_ok ( &net3 ); |
| ipv4_route_ok ( "10.32.32.31", NULL, |
| "192.168.32.254", &net3, "10.32.32.32", 0 ); |
| ipv4_route_ok ( "8.8.8.8", NULL, |
| "192.168.32.254", &net3, "10.32.32.32", 0 ); |
| testnet_remove_ok ( &net3 ); |
| |
| /* No gateway */ |
| testnet_ok ( &net4 ); |
| ipv4_route_ok ( "192.168.87.1", NULL, |
| "192.168.87.1", &net4, "192.168.86.1", 0 ); |
| ipv4_route_ok ( "192.168.96.1", NULL, NULL, NULL, NULL, 0 ); |
| testnet_remove_ok ( &net4 ); |
| |
| /* Multiple interfaces */ |
| testnet_ok ( &net0 ); |
| testnet_ok ( &net1 ); |
| testnet_ok ( &net2 ); |
| testnet_close_ok ( &net1 ); |
| ipv4_route_ok ( "192.168.0.9", NULL, |
| "192.168.0.9", &net0, "192.168.0.1", 0 ); |
| ipv4_route_ok ( "10.31.31.1", NULL, |
| "10.31.31.1", &net2, "10.31.31.0", 0 ); |
| testnet_close_ok ( &net0 ); |
| testnet_open_ok ( &net1 ); |
| ipv4_route_ok ( "192.168.0.9", NULL, |
| "192.168.0.9", &net1, "192.168.0.2", 0 ); |
| ipv4_route_ok ( "10.31.31.1", NULL, |
| "10.31.31.1", &net2, "10.31.31.0", 0 ); |
| testnet_close_ok ( &net2 ); |
| ipv4_route_ok ( "8.8.8.8", NULL, |
| "192.168.0.254", &net1, "192.168.0.2", 0 ); |
| testnet_close_ok ( &net1 ); |
| testnet_open_ok ( &net0 ); |
| ipv4_route_ok ( "8.8.8.8", NULL, |
| "192.168.0.254", &net0, "192.168.0.1", 0 ); |
| testnet_close_ok ( &net0 ); |
| testnet_open_ok ( &net2 ); |
| ipv4_route_ok ( "8.8.8.8", NULL, |
| "10.31.31.1", &net2, "10.31.31.0", 0 ); |
| testnet_remove_ok ( &net2 ); |
| testnet_remove_ok ( &net1 ); |
| testnet_remove_ok ( &net0 ); |
| |
| /* Static routes */ |
| testnet_ok ( &net5 ); |
| ipv4_route_ok ( "10.42.99.0", NULL, |
| "10.42.99.0", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "8.8.8.8", NULL, |
| "10.42.1.1", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "10.43.43.1", NULL, |
| "10.42.1.1", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "10.43.43.129", NULL, |
| "10.42.43.43", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "192.168.54.8", NULL, |
| "10.42.192.168", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "192.168.0.8", NULL, |
| "192.168.0.8", &net5, "10.42.0.1", 0 ); |
| ipv4_route_ok ( "192.168.0.255", NULL, |
| "192.168.0.255", &net5, "10.42.0.1", 1 ); |
| testnet_remove_ok ( &net5 ); |
| } |
| |
| /** IPv4 self-test */ |
| struct self_test ipv4_test __self_test = { |
| .name = "ipv4", |
| .exec = ipv4_test_exec, |
| }; |
