/* * BIRD Library -- Flow specification (RFC 5575) Tests * * (c) 2016 CZ.NIC z.s.p.o. * * Can be freely distributed and used under the terms of the GNU GPL. */ #include "test/birdtest.h" #include "lib/flowspec.h" #define NET_ADDR_FLOW4_(prefix,pxlen,nlri) \ ({ \ uint _len = sizeof(nlri); \ net_addr_flow4 *_n = tmp_alloc(sizeof(net_addr_flow4) + _len); \ *_n = NET_ADDR_FLOW4(prefix, pxlen, _len); \ memcpy(_n->data, &(nlri), _len); \ if (_n->data[0] == 0) _n->data[0] = _len - 1; \ _n; \ }) #define NET_ADDR_FLOW4_NLRI(...) \ ({ \ const byte _nlri[] = { __VA_ARGS__ }; \ NET_ADDR_FLOW4_(flow_read_ip4_part(_nlri + 1), _nlri[2], _nlri); \ }) #define NET_ADDR_FLOW6_(prefix,pxlen,nlri) \ ({ \ uint _len = sizeof(nlri); \ net_addr_flow6 *_n = tmp_alloc(sizeof(net_addr_flow6) + _len); \ *_n = NET_ADDR_FLOW6(prefix, pxlen, _len); \ memcpy(_n->data, &(nlri), _len); \ if (_n->data[0] == 0) _n->data[0] = _len - 1; \ _n; \ }) #define NET_ADDR_FLOW6_NLRI(...) \ ({ \ const byte _nlri[] = { __VA_ARGS__ }; \ NET_ADDR_FLOW6_(flow_read_ip6_part(_nlri + 1), _nlri[2], _nlri); \ }) static int t_read_length(void) { byte data[] = { 0xcc, 0xcc, 0xcc }; for (uint expect = 0; expect < 0xf0; expect++) { *data = expect; uint get = flow_read_length(data); bt_assert_msg(get == expect, "Testing get length 0x%02x (get 0x%02x)", expect, get); } for (uint expect = 0; expect <= 0xfff; expect++) { put_u16(data, expect | 0xf000); uint get = flow_read_length(data); bt_assert_msg(get == expect, "Testing get length 0x%03x (get 0x%03x)", expect, get); } return 1; } static int t_write_length(void) { byte data[] = { 0xcc, 0xcc, 0xcc }; for (uint expect = 0; expect <= 0xfff; expect++) { uint offset = flow_write_length(data, expect); uint set = (expect < 0xf0) ? *data : (get_u16(data) & 0x0fff); bt_assert_msg(set == expect, "Testing set length 0x%03x (set 0x%03x)", expect, set); bt_assert(offset == (expect < 0xf0 ? 1 : 2)); } return 1; } static int t_first_part(void) { net_addr_flow4 *f = NET_ADDR_FLOW4_(IP4_NONE, 0, ((byte[]) { 0x00, 0x00, 0xab })); const byte *under240 = &f->data[1]; const byte *above240 = &f->data[2]; /* Case 0x00 0x00 */ f->data[0] = 0x00; bt_assert(flow4_first_part(f) == NULL); /* Case 0x01 0x00 */ f->data[0] = 0x01; bt_assert(flow4_first_part(f) == under240); /* Case 0xef 0x00 */ f->data[0] = 0xef; bt_assert(flow4_first_part(f) == under240); /* Case 0xf0 0x00 */ f->data[0] = 0xf0; bt_assert(flow4_first_part(f) == NULL); /* Case 0xf0 0x01 */ f->data[1] = 0x01; bt_assert(flow4_first_part(f) == above240); /* Case 0xff 0xff */ f->data[0] = 0xff; f->data[1] = 0xff; bt_assert(flow4_first_part(f) == above240); return 1; } static int t_iterators4(void) { const net_addr_flow4 *f = NET_ADDR_FLOW4_NLRI( 25, /* Length */ FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_SRC_PREFIX, 32, 10, 11, 12, 13, FLOW_TYPE_IP_PROTOCOL, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_TCP_FLAGS, 0x80, 0x55, ); const byte *start = f->data; const byte *p1_dst_pfx = &f->data[1]; const byte *p2_src_pfx = &f->data[6]; const byte *p3_ip_proto = &f->data[12]; const byte *p4_port = &f->data[15]; const byte *p5_tcp_flags = &f->data[23]; const byte *end = &f->data[25]; bt_assert(flow_read_length(f->data) == (end-start)); bt_assert(flow4_first_part(f) == p1_dst_pfx); bt_assert(flow4_next_part(p1_dst_pfx, end) == p2_src_pfx); bt_assert(flow4_next_part(p2_src_pfx, end) == p3_ip_proto); bt_assert(flow4_next_part(p3_ip_proto, end) == p4_port); bt_assert(flow4_next_part(p4_port, end) == p5_tcp_flags); bt_assert(flow4_next_part(p5_tcp_flags, end) == NULL); return 1; } static int t_iterators6(void) { const net_addr_flow6 *f = NET_ADDR_FLOW6_NLRI( 26, /* Length */ FLOW_TYPE_DST_PREFIX, 0x68, 0x40, 0x12, 0x34, 0x56, 0x78, 0x9a, FLOW_TYPE_SRC_PREFIX, 0x08, 0x0, 0xc0, FLOW_TYPE_NEXT_HEADER, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_LABEL, 0x80, 0x55, ); const byte *start = f->data; const byte *p1_dst_pfx = &f->data[1]; const byte *p2_src_pfx = &f->data[9]; const byte *p3_next_header = &f->data[13]; const byte *p4_port = &f->data[16]; const byte *p5_label = &f->data[24]; const byte *end = &f->data[26]; bt_assert(flow_read_length(f->data) == (end-start)); bt_assert(flow6_first_part(f) == p1_dst_pfx); bt_assert(flow6_next_part(p1_dst_pfx, end) == p2_src_pfx); bt_assert(flow6_next_part(p2_src_pfx, end) == p3_next_header); bt_assert(flow6_next_part(p3_next_header, end) == p4_port); bt_assert(flow6_next_part(p4_port, end) == p5_label); bt_assert(flow6_next_part(p5_label, end) == NULL); return 1; } static int t_accessors4(void) { const net_addr_flow4 *f = NET_ADDR_FLOW4_NLRI( 25, /* Length */ FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_SRC_PREFIX, 32, 10, 11, 12, 13, FLOW_TYPE_IP_PROTOCOL, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_TCP_FLAGS, 0x80, 0x55, ); const byte *p1_dst_px = &f->data[1]; const ip4_addr p1_dst_addr = ip4_build(5,6,7,0); const byte *p2_src_px = &f->data[6]; const ip4_addr p2_src_addr = ip4_build(10,11,12,13); bt_assert(ip4_equal(flow_read_ip4_part(p1_dst_px), p1_dst_addr)); bt_assert(ip4_equal(flow_read_ip4_part(p2_src_px), p2_src_addr)); return 1; } static int t_accessors6(void) { const net_addr_flow6 *f = NET_ADDR_FLOW6_NLRI( 26, /* Length */ FLOW_TYPE_DST_PREFIX, 0x68, 0x40, 0x12, 0x34, 0x56, 0x78, 0x9a, FLOW_TYPE_SRC_PREFIX, 0x08, 0x0, 0xc0, FLOW_TYPE_NEXT_HEADER, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_LABEL, 0x80, 0x55, ); const byte *p1_dst_px = &f->data[1]; const ip6_addr p1_dst_addr = ip6_build(0,0,0x12345678,0x9a000000); const byte *p2_src_px = &f->data[9]; const ip6_addr p2_src_addr = ip6_build(0xc0000000, 0, 0, 0); bt_assert(ip6_equal(flow_read_ip6_part(p1_dst_px), p1_dst_addr)); bt_assert(ip6_equal(flow_read_ip6_part(p2_src_px), p2_src_addr)); return 1; } static int t_validation4(void) { enum flow_validated_state res; byte nlri1[] = { FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_SRC_PREFIX, 32, 10, 11, 12, 13, FLOW_TYPE_IP_PROTOCOL, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_TCP_FLAGS, 0x80, 0x55, }; /* Empty NLRI */ res = flow4_validate(nlri1, 0); bt_assert(res == FLOW_ST_VALID); /* Valid / Not Complete testing */ uint valid_sizes[] = {5, 11, 14, 22, 25, 0}; uint valid_idx = 0; for (uint size = 1; size <= sizeof(nlri1); size++) { res = flow4_validate(nlri1, size); bt_debug("size %u, result: %s\n", size, flow_validated_state_str(res)); if (size == valid_sizes[valid_idx]) { valid_idx++; bt_assert(res == FLOW_ST_VALID); } else { bt_assert(res == FLOW_ST_NOT_COMPLETE); } } /* Misc err tests */ struct tset { enum flow_validated_state expect; char *description; u16 size; byte *nlri; }; #define TS(type, msg, data) ((struct tset) {type, msg, sizeof(data), (data)}) struct tset tset[] = { TS( FLOW_ST_EXCEED_MAX_PREFIX_LENGTH, "33-length IPv4 prefix", ((byte []) { FLOW_TYPE_DST_PREFIX, 33, 5, 6, 7, 8, 9 }) ), TS( FLOW_ST_BAD_TYPE_ORDER, "Bad flowspec component type order", ((byte []) { FLOW_TYPE_SRC_PREFIX, 32, 10, 11, 12, 13, FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, }) ), TS( FLOW_ST_BAD_TYPE_ORDER, "Doubled destination prefix component", ((byte []) { FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, }) ), TS( FLOW_ST_AND_BIT_SHOULD_BE_UNSET, "The first numeric operator has set the AND bit", ((byte []) { FLOW_TYPE_PORT, 0x43, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, }) ), TS( FLOW_ST_ZERO_BIT_SHOULD_BE_UNSED, "Set zero bit in operand to one", ((byte []) { FLOW_TYPE_IP_PROTOCOL, 0x89, 0x06, }) ), TS( FLOW_ST_UNKNOWN_COMPONENT, "Unknown component of type number 13", ((byte []) { FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_TCP_FLAGS, 0x80, 0x55, 13 /*something new*/, 0x80, 0x55, }) ), }; #undef TS for (uint tcase = 0; tcase < ARRAY_SIZE(tset); tcase++) { res = flow4_validate(tset[tcase].nlri, tset[tcase].size); bt_assert_msg(res == tset[tcase].expect, "Assertion (%s == %s) %s", flow_validated_state_str(res), flow_validated_state_str(tset[tcase].expect), tset[tcase].description); } return 1; } static int t_validation6(void) { enum flow_validated_state res; byte nlri1[] = { FLOW_TYPE_DST_PREFIX, 103, 61, 0x01, 0x12, 0x34, 0x56, 0x78, 0x98, FLOW_TYPE_SRC_PREFIX, 8, 0, 0xc0, FLOW_TYPE_NEXT_HEADER, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_LABEL, 0x80, 0x55, }; /* Isn't included destination prefix */ res = flow6_validate(nlri1, 0); bt_assert(res == FLOW_ST_VALID); /* Valid / Not Complete testing */ uint valid_sizes[] = {0, 9, 13, 16, 24, 27, 0}; uint valid_idx = 0; for (uint size = 0; size <= sizeof(nlri1); size++) { res = flow6_validate(nlri1, size); bt_debug("size %u, result: %s\n", size, flow_validated_state_str(res)); if (size == valid_sizes[valid_idx]) { valid_idx++; bt_assert(res == FLOW_ST_VALID); } else { bt_assert(res == FLOW_ST_NOT_COMPLETE); } } /* Misc err tests */ struct tset { enum flow_validated_state expect; char *description; u16 size; byte *nlri; }; #define TS(type, msg, data) ((struct tset) {type, msg, sizeof(data), (data)}) struct tset tset[] = { TS( FLOW_ST_EXCEED_MAX_PREFIX_LENGTH, "129-length IPv6 prefix", ((byte []) { FLOW_TYPE_DST_PREFIX, 129, 64, 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x12 }) ), TS( FLOW_ST_EXCEED_MAX_PREFIX_OFFSET, "Prefix offset is higher than prefix length", ((byte []) { FLOW_TYPE_DST_PREFIX, 48, 64, 0x40, 0x12, 0x34 }) ), TS( FLOW_ST_BAD_TYPE_ORDER, "Bad flowspec component type order", ((byte []) { FLOW_TYPE_NEXT_HEADER, 0x81, 0x06, FLOW_TYPE_SRC_PREFIX, 8, 0, 0xc0, }) ), TS( FLOW_ST_BAD_TYPE_ORDER, "Doubled destination prefix component", ((byte []) { FLOW_TYPE_DST_PREFIX, 103, 61, 0x01, 0x12, 0x34, 0x56, 0x78, 0x98, FLOW_TYPE_DST_PREFIX, 103, 61, 0x01, 0x12, 0x34, 0x56, 0x78, 0x98, }) ), TS( FLOW_ST_AND_BIT_SHOULD_BE_UNSET, "The first numeric operator has set the AND bit", ((byte []) { FLOW_TYPE_PORT, 0x43, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90 }) ), TS( FLOW_ST_ZERO_BIT_SHOULD_BE_UNSED, "Set zero bit in operand to one", ((byte []) { FLOW_TYPE_NEXT_HEADER, 0x89, 0x06 }) ), TS( FLOW_ST_VALID, "Component of type number 13 (Label) is well-known in IPv6", ((byte []) { FLOW_TYPE_LABEL, 0x80, 0x55 }) ), TS( FLOW_ST_UNKNOWN_COMPONENT, "Unknown component of type number 14", ((byte []) { FLOW_TYPE_LABEL, 0x80, 0x55, 14 /*something new*/, 0x80, 0x55, }) ) }; #undef TS for (uint tcase = 0; tcase < ARRAY_SIZE(tset); tcase++) { res = flow6_validate(tset[tcase].nlri, tset[tcase].size); bt_assert_msg(res == tset[tcase].expect, "Assertion (%s == %s) %s", flow_validated_state_str(res), flow_validated_state_str(tset[tcase].expect), tset[tcase].description); } return 1; } /* * Builder tests */ static int t_builder4(void) { struct flow_builder *fb = flow_builder_init(&root_pool); /* Expectation */ const net_addr_flow4 *expect = NET_ADDR_FLOW4_NLRI( 0, FLOW_TYPE_DST_PREFIX, 24, 5, 6, 7, FLOW_TYPE_SRC_PREFIX, 32, 10, 11, 12, 13, FLOW_TYPE_IP_PROTOCOL, 0x80, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_TCP_FLAGS, 0x80, 0x55, ); /* Normal order */ net_addr_ip4 n1; net_fill_ip4((net_addr *) &n1, ip4_build(5,6,7,0), 24); flow_builder_set_type(fb, FLOW_TYPE_DST_PREFIX); flow_builder4_add_pfx(fb, &n1); net_addr_ip4 n2; net_fill_ip4((net_addr *) &n2, ip4_build(10,11,12,13), 32); flow_builder_set_type(fb, FLOW_TYPE_SRC_PREFIX); flow_builder4_add_pfx(fb, &n2); flow_builder_set_type(fb, FLOW_TYPE_IP_PROTOCOL); flow_builder_add_op_val(fb, 0, 0x06); flow_builder_set_type(fb, FLOW_TYPE_PORT); flow_builder_add_op_val(fb, 0x03, 0x89); flow_builder_add_op_val(fb, 0x45, 0x8b); flow_builder_add_op_val(fb, 0x01, 0x1f90); /* Try put a component twice time */ flow_builder_set_type(fb, FLOW_TYPE_IP_PROTOCOL); flow_builder_add_op_val(fb, 0, 0x06); flow_builder_set_type(fb, FLOW_TYPE_TCP_FLAGS); flow_builder_add_op_val(fb, 0, 0x55); net_addr_flow4 *res = flow_builder4_finalize(fb, tmp_linpool); bt_assert(memcmp(res, expect, expect->length) == 0); /* Reverse order */ flow_builder_clear(fb); flow_builder_set_type(fb, FLOW_TYPE_TCP_FLAGS); flow_builder_add_op_val(fb, 0, 0x55); flow_builder_set_type(fb, FLOW_TYPE_PORT); flow_builder_add_op_val(fb, 0x03, 0x89); flow_builder_add_op_val(fb, 0x45, 0x8b); flow_builder_add_op_val(fb, 0x01, 0x1f90); flow_builder_set_type(fb, FLOW_TYPE_IP_PROTOCOL); flow_builder_add_op_val(fb, 0, 0x06); net_fill_ip4((net_addr *) &n2, ip4_build(10,11,12,13), 32); flow_builder_set_type(fb, FLOW_TYPE_SRC_PREFIX); flow_builder4_add_pfx(fb, &n2); net_fill_ip4((net_addr *) &n1, ip4_build(5,6,7,0), 24); flow_builder_set_type(fb, FLOW_TYPE_DST_PREFIX); flow_builder4_add_pfx(fb, &n1); bt_assert(memcmp(res, expect, expect->length) == 0); return 1; } static int t_builder6(void) { net_addr_ip6 ip; struct flow_builder *fb = flow_builder_init(&root_pool); fb->ipv6 = 1; /* Expectation */ const net_addr_flow6 *expect = NET_ADDR_FLOW6_NLRI( 0, FLOW_TYPE_DST_PREFIX, 103, 61, 0x22, 0x46, 0x8a, 0xcf, 0x13, 0x00, FLOW_TYPE_SRC_PREFIX, 8, 0, 0xc0, FLOW_TYPE_NEXT_HEADER, 0x80, 0x06, FLOW_TYPE_PORT, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, FLOW_TYPE_LABEL, 0x80, 0x55, ); /* Normal order */ net_fill_ip6((net_addr *) &ip, ip6_build(0, 1, 0x12345678, 0x98000000), 103); flow_builder_set_type(fb, FLOW_TYPE_DST_PREFIX); flow_builder6_add_pfx(fb, &ip, 61); /* Try put a component twice time */ net_fill_ip6((net_addr *) &ip, ip6_build(0, 1, 0x12345678, 0x98000000), 103); flow_builder_set_type(fb, FLOW_TYPE_DST_PREFIX); bt_assert(flow_builder6_add_pfx(fb, &ip, 61) == 0); net_fill_ip6((net_addr *) &ip, ip6_build(0xc0000000,0,0,0), 8); flow_builder_set_type(fb, FLOW_TYPE_SRC_PREFIX); flow_builder6_add_pfx(fb, &ip, 0); flow_builder_set_type(fb, FLOW_TYPE_NEXT_HEADER); flow_builder_add_op_val(fb, 0, 0x06); flow_builder_set_type(fb, FLOW_TYPE_PORT); flow_builder_add_op_val(fb, 0x03, 0x89); flow_builder_add_op_val(fb, 0x45, 0x8b); flow_builder_add_op_val(fb, 0x01, 0x1f90); flow_builder_set_type(fb, FLOW_TYPE_LABEL); flow_builder_add_op_val(fb, 0, 0x55); net_addr_flow6 *res = flow_builder6_finalize(fb, tmp_linpool); bt_assert(memcmp(res, expect, expect->length) == 0); /* Reverse order */ flow_builder_clear(fb); fb->ipv6 = 1; flow_builder_set_type(fb, FLOW_TYPE_LABEL); flow_builder_add_op_val(fb, 0, 0x55); flow_builder_set_type(fb, FLOW_TYPE_PORT); flow_builder_add_op_val(fb, 0x03, 0x89); flow_builder_add_op_val(fb, 0x45, 0x8b); flow_builder_add_op_val(fb, 0x01, 0x1f90); flow_builder_set_type(fb, FLOW_TYPE_NEXT_HEADER); flow_builder_add_op_val(fb, 0, 0x06); net_fill_ip6((net_addr *) &ip, ip6_build(0xc0000000,0,0,0), 8); flow_builder_set_type(fb, FLOW_TYPE_SRC_PREFIX); flow_builder6_add_pfx(fb, &ip, 0); net_fill_ip6((net_addr *) &ip, ip6_build(0, 1, 0x12345678, 0x98000000), 103); flow_builder_set_type(fb, FLOW_TYPE_DST_PREFIX); flow_builder6_add_pfx(fb, &ip, 61); res = flow_builder6_finalize(fb, tmp_linpool); bt_assert(memcmp(res, expect, expect->length) == 0); return 1; } static int t_formatting4(void) { const net_addr_flow4 *input[4]; const char *expect[4]; expect[0] = "flow4 { dst 10.0.0.0/8; proto 23; dport > 24 && < 30 || 40..50,60..70,80 && >= 90; sport > 24 && < 30 || 40,50,60..70,80; icmp type 80; icmp code 90; tcp flags 0x3/0x3 && 0x0/0xc; length 0..65535; dscp 63; fragment dont_fragment || !is_fragment; }"; input[0] = NET_ADDR_FLOW4_NLRI( 0, FLOW_TYPE_DST_PREFIX, 0x08, 10, FLOW_TYPE_IP_PROTOCOL, 0x81, 23, FLOW_TYPE_DST_PORT, 0x02, 24, 0x44, 30, 0x03, 40, 0x45, 50, 0x03, 60, 0x45, 70, 0x01, 80, 0xc3, 90, FLOW_TYPE_SRC_PORT, 0x02, 24, 0x44, 0x1e, 0x01, 0x28, 0x01, 0x32, 0x03, 0x3c, 0x45, 0x46, 0x81, 0x50, FLOW_TYPE_ICMP_TYPE, 0x81, 0x50, FLOW_TYPE_ICMP_CODE, 0x81, 0x5a, FLOW_TYPE_TCP_FLAGS, 0x01, 0x03, 0xc2, 0x0c, FLOW_TYPE_PACKET_LENGTH, 0x03, 0, 0xd5, 0xff, 0xff, FLOW_TYPE_DSCP, 0x81, 63, FLOW_TYPE_FRAGMENT, 0x01, 0x01, 0x82, 0x02, ); /* RFC 8955 4.3.1 Example 1 */ expect[1] = "flow4 { dst 192.0.2.0/24; proto 6; port 25; }"; input[1] = NET_ADDR_FLOW4_NLRI( 0x0b, 0x01, 0x18, 0xc0, 0x00, 0x02, 0x03, 0x81, 0x06, 0x04, 0x81, 0x19, ); /* RFC 8955 4.3.2 Example 2 */ expect[2] = "flow4 { dst 192.0.2.0/24; src 203.0.113.0/24; port 137..139,8080; }"; input[2] = NET_ADDR_FLOW4_NLRI( 0x12, 0x01, 0x18, 0xc0, 0x00, 0x02, 0x02, 0x18, 0xcb, 0x00, 0x71, 0x04, 0x03, 0x89, 0x45, 0x8b, 0x91, 0x1f, 0x90, ); /* RFC 8955 4.3.3 Example 3 */ expect[3] = "flow4 { dst 192.0.2.1/32; fragment !0x0/0x5; }"; input[3] = NET_ADDR_FLOW4_NLRI( 0x09, 0x01, 0x20, 0xc0, 0x00, 0x02, 0x01, 0x0c, 0x80, 0x05, ); /* Run the tests */ for (uint i = 0; i < ARRAY_SIZE(input); i++) { char buf[1024]; uint len = flow4_net_format(buf, sizeof(buf), input[i]); bt_debug(" expect: '%s',\n output: '%s'\n", expect[i], buf); bt_assert(!strcmp(buf, expect[i])); bt_assert(len == strlen(expect[i])); } return 1; } static int t_formatting6(void) { const net_addr_flow6 *input[3]; const char *expect[3]; // (ip6_build(0, 1, 0x12345678, 0x98000000), 103, nlri0); expect[0] = "flow6 { dst ::1:1234:5678:9800:0/103 offset 61; src c000::/8; next header 6; port 20..40,273; label < 500000; }"; input[0] = NET_ADDR_FLOW6_NLRI( 0, FLOW_TYPE_DST_PREFIX, 103, 61, 0x22, 0x46, 0x8a, 0xcf, 0x13, 0x00, FLOW_TYPE_SRC_PREFIX, 8, 0, 0xc0, FLOW_TYPE_NEXT_HEADER, 0x81, 0x06, FLOW_TYPE_PORT, 0x03, 20, 0x45, 40, 0x91, 0x01, 0x11, FLOW_TYPE_LABEL, 0xa4, 0x00, 0x07, 0xa1, 0x20, ); /* RFC 8956 3.8.1 Example 1 */ expect[1] = "flow6 { dst 2001:db8::/32; src ::1234:5678:9a00:0/104 offset 64; next header 6; }"; input[1] = NET_ADDR_FLOW6_(ip6_build(0x20010db8, 0, 0, 0), 32, ((const byte[]) { 0x12, 0x01, 0x20, 0x00, 0x20, 0x01, 0x0d, 0xb8, 0x02, 0x68, 0x40, 0x12, 0x34, 0x56, 0x78, 0x9a, 0x03, 0x81, 0x06, })); /* RFC 8956 3.8.2 Example 2 */ expect[2] = "flow6 { dst 2001:db8::/32; src ::1234:5678:9a00:0/104 offset 65; }"; input[2] = NET_ADDR_FLOW6_(ip6_build(0x20010db8, 0, 0, 0), 32, ((const byte[]) { 0x0f, 0x01, 0x20, 0x00, 0x20, 0x01, 0x0d, 0xb8, 0x02, 0x68, 0x41, 0x24, 0x68, 0xac, 0xf1, 0x34, })); /* Run the tests */ for (uint i = 0; i < ARRAY_SIZE(input); i++) { char buf[1024]; uint len = flow6_net_format(buf, sizeof(buf), input[i]); bt_debug(" expect: '%s',\n output: '%s'\n", expect[i], buf); bt_assert(!strcmp(buf, expect[i])); bt_assert(len == strlen(expect[i])); } return 1; } int main(int argc, char *argv[]) { bt_init(argc, argv); bt_test_suite(t_read_length, "Testing get NLRI length"); bt_test_suite(t_write_length, "Testing set NLRI length"); bt_test_suite(t_first_part, "Searching first part in net_addr_flow"); bt_test_suite(t_iterators4, "Testing iterators (IPv4)"); bt_test_suite(t_iterators6, "Testing iterators (IPv6)"); bt_test_suite(t_accessors4, "Testing accessors (IPv4)"); bt_test_suite(t_accessors6, "Testing accessors (IPv6)"); bt_test_suite(t_validation4, "Testing validation (IPv4)"); bt_test_suite(t_validation6, "Testing validation (IPv6)"); bt_test_suite(t_builder4, "Inserting components into existing Flow Specification (IPv4)"); bt_test_suite(t_builder6, "Inserting components into existing Flow Specification (IPv6)"); bt_test_suite(t_formatting4, "Formatting Flow Specification (IPv4) into text representation"); bt_test_suite(t_formatting6, "Formatting Flow Specification (IPv6) into text representation"); return bt_exit_value(); }