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Diffstat (limited to 'test/unit/mdns/test_mdns.c')
| -rw-r--r-- | test/unit/mdns/test_mdns.c | 916 |
1 files changed, 916 insertions, 0 deletions
diff --git a/test/unit/mdns/test_mdns.c b/test/unit/mdns/test_mdns.c new file mode 100644 index 00000000000..01434b5d73c --- /dev/null +++ b/test/unit/mdns/test_mdns.c @@ -0,0 +1,916 @@ +/* + * Copyright (c) 2015 Verisure Innovation AB + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. 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. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * This file is part of the lwIP TCP/IP stack. + * + * Author: Erik Ekman <erik@kryo.se> + * + */ + +#include "test_mdns.h" + +#include "lwip/pbuf.h" +#include "lwip/apps/mdns.h" +#include "lwip/apps/mdns_domain.h" +#include "lwip/apps/mdns_priv.h" + +START_TEST(readname_basic) +{ + static const u8_t data[] = { 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00 }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == sizeof(data)); + fail_unless(domain.length == sizeof(data)); + fail_if(memcmp(&domain.name, data, sizeof(data))); +} +END_TEST + +START_TEST(readname_anydata) +{ + static const u8_t data[] = { 0x05, 0x00, 0xFF, 0x08, 0xc0, 0x0f, 0x04, 0x7f, 0x80, 0x82, 0x88, 0x00 }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == sizeof(data)); + fail_unless(domain.length == sizeof(data)); + fail_if(memcmp(&domain.name, data, sizeof(data))); +} +END_TEST + +START_TEST(readname_short_buf) +{ + static const u8_t data[] = { 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a' }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_long_label) +{ + static const u8_t data[] = { + 0x05, 'm', 'u', 'l', 't', 'i', + 0x52, 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', + 'a', 'a', 'a', 'a', 'a', 'a', 'a', 'a', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_overflow) +{ + static const u8_t data[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_jump_earlier) +{ + static const u8_t data[] = { + /* Some padding needed, not supported to jump to bytes containing dns header */ + /* 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 10 */ 0x0f, 0x0e, 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xab, + /* 20 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x0c + }; + static const u8_t fullname[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 20, &domain); + pbuf_free(p); + fail_unless(offset == sizeof(data)); + fail_unless(domain.length == sizeof(fullname)); + + fail_if(memcmp(&domain.name, fullname, sizeof(fullname))); +} +END_TEST + +START_TEST(readname_jump_earlier_jump) +{ + static const u8_t data[] = { + /* Some padding needed, not supported to jump to bytes containing dns header */ + /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x03, 0x0b, 0x0a, 0xf2, + /* 0x10 */ 0x04, 'c', 'a', 's', 't', 0x00, 0xc0, 0x10, + /* 0x18 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x16 + }; + static const u8_t fullname[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0x18, &domain); + pbuf_free(p); + fail_unless(offset == sizeof(data)); + fail_unless(domain.length == sizeof(fullname)); + + fail_if(memcmp(&domain.name, fullname, sizeof(fullname))); +} +END_TEST + +START_TEST(readname_jump_maxdepth) +{ + static const u8_t data[] = { + /* Some padding needed, not supported to jump to bytes containing dns header */ + /* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x03, 0x0b, 0x0a, 0xf2, + /* 0x10 */ 0x04, 'n', 'a', 'm', 'e', 0xc0, 0x27, 0x03, + /* 0x18 */ 0x03, 'd', 'n', 's', 0xc0, 0x10, 0xc0, 0x10, + /* 0x20 */ 0x04, 'd', 'e', 'e', 'p', 0xc0, 0x18, 0x00, + /* 0x28 */ 0x04, 'c', 'a', 's', 't', 0xc0, 0x20, 0xb0, + /* 0x30 */ 0x05, 'm', 'u', 'l', 't', 'i', 0xc0, 0x28 + }; + static const u8_t fullname[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', + 0x04, 'd', 'e', 'e', 'p', 0x03, 'd', 'n', 's', + 0x04, 'n', 'a', 'm', 'e', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0x30, &domain); + pbuf_free(p); + fail_unless(offset == sizeof(data)); + fail_unless(domain.length == sizeof(fullname)); + + fail_if(memcmp(&domain.name, fullname, sizeof(fullname))); +} +END_TEST + +START_TEST(readname_jump_later) +{ + static const u8_t data[] = { + /* 0x00 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x10, 0x00, 0x01, 0x40, + /* 0x10 */ 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xab + }; + static const u8_t fullname[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == 13); + fail_unless(domain.length == sizeof(fullname)); + + fail_if(memcmp(&domain.name, fullname, sizeof(fullname))); +} +END_TEST + +START_TEST(readname_half_jump) +{ + static const u8_t data[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_jump_toolong) +{ + static const u8_t data[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc2, 0x10, 0x00, 0x01, 0x40 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 0, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_jump_loop_label) +{ + static const u8_t data[] = { + /* 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x10 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 10, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(readname_jump_loop_jump) +{ + static const u8_t data[] = { + /* 0 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* 10 */ 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0xc0, 0x15 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + offset = mdns_readname(p, 10, &domain); + pbuf_free(p); + fail_unless(offset == MDNS_READNAME_ERROR); +} +END_TEST + +START_TEST(add_label_basic) +{ + static const u8_t data[] = { 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00 }; + struct mdns_domain domain; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + fail_unless(domain.length == sizeof(data)); + fail_if(memcmp(&domain.name, data, sizeof(data))); +} +END_TEST + +START_TEST(add_label_long_label) +{ + static const char *toolong = "abcdefghijklmnopqrstuvwxyz0123456789-abcdefghijklmnopqrstuvwxyz0123456789-abcdefghijklmnopqrstuvwxyz0123456789-"; + struct mdns_domain domain; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, toolong, (u8_t)strlen(toolong)); + fail_unless(res == ERR_VAL); +} +END_TEST + +START_TEST(add_label_full) +{ + static const char *label = "0123456789abcdef0123456789abcdef"; + struct mdns_domain domain; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 33); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 66); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 99); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 132); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 165); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 198); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 231); + res = mdns_domain_add_label(&domain, label, (u8_t)strlen(label)); + fail_unless(res == ERR_VAL); + fail_unless(domain.length == 231); + res = mdns_domain_add_label(&domain, label, 25); + fail_unless(res == ERR_VAL); + fail_unless(domain.length == 231); + res = mdns_domain_add_label(&domain, label, 24); + fail_unless(res == ERR_VAL); + fail_unless(domain.length == 231); + res = mdns_domain_add_label(&domain, label, 23); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 255); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + fail_unless(domain.length == 256); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_VAL); + fail_unless(domain.length == 256); +} +END_TEST + +START_TEST(domain_eq_basic) +{ + static const u8_t data[] = { + 0x05, 'm', 'u', 'l', 't', 'i', 0x04, 'c', 'a', 's', 't', 0x00 + }; + struct mdns_domain domain1, domain2; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain1, 0, sizeof(domain1)); + res = mdns_domain_add_label(&domain1, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, NULL, 0); + fail_unless(res == ERR_OK); + fail_unless(domain1.length == sizeof(data)); + + memset(&domain2, 0, sizeof(domain2)); + res = mdns_domain_add_label(&domain2, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, NULL, 0); + fail_unless(res == ERR_OK); + + fail_unless(mdns_domain_eq(&domain1, &domain2)); +} +END_TEST + +START_TEST(domain_eq_diff) +{ + struct mdns_domain domain1, domain2; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain1, 0, sizeof(domain1)); + res = mdns_domain_add_label(&domain1, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, "base", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, NULL, 0); + fail_unless(res == ERR_OK); + + memset(&domain2, 0, sizeof(domain2)); + res = mdns_domain_add_label(&domain2, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, NULL, 0); + fail_unless(res == ERR_OK); + + fail_if(mdns_domain_eq(&domain1, &domain2)); +} +END_TEST + +START_TEST(domain_eq_case) +{ + struct mdns_domain domain1, domain2; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain1, 0, sizeof(domain1)); + res = mdns_domain_add_label(&domain1, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, NULL, 0); + fail_unless(res == ERR_OK); + + memset(&domain2, 0, sizeof(domain2)); + res = mdns_domain_add_label(&domain2, "MulTI", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, "casT", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, NULL, 0); + fail_unless(res == ERR_OK); + + fail_unless(mdns_domain_eq(&domain1, &domain2)); +} +END_TEST + +START_TEST(domain_eq_anydata) +{ + static const u8_t data1[] = { 0x05, 0xcc, 0xdc, 0x00, 0xa0 }; + static const u8_t data2[] = { 0x7f, 0x8c, 0x01, 0xff, 0xcf }; + struct mdns_domain domain1, domain2; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain1, 0, sizeof(domain1)); + res = mdns_domain_add_label(&domain1, (const char*)data1, sizeof(data1)); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, "cast", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, (const char*)data2, sizeof(data2)); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, NULL, 0); + fail_unless(res == ERR_OK); + + memset(&domain2, 0, sizeof(domain2)); + res = mdns_domain_add_label(&domain2, (const char*)data1, sizeof(data1)); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, "casT", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, (const char*)data2, sizeof(data2)); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, NULL, 0); + fail_unless(res == ERR_OK); + + fail_unless(mdns_domain_eq(&domain1, &domain2)); +} +END_TEST + +START_TEST(domain_eq_length) +{ + struct mdns_domain domain1, domain2; + err_t res; + LWIP_UNUSED_ARG(_i); + + memset(&domain1, 0, sizeof(domain1)); + memset(domain1.name, 0xAA, sizeof(MDNS_DOMAIN_MAXLEN)); + res = mdns_domain_add_label(&domain1, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain1, "cast", 4); + fail_unless(res == ERR_OK); + + memset(&domain2, 0, sizeof(domain2)); + memset(domain2.name, 0xBB, sizeof(MDNS_DOMAIN_MAXLEN)); + res = mdns_domain_add_label(&domain2, "multi", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain2, "cast", 4); + fail_unless(res == ERR_OK); + + fail_unless(mdns_domain_eq(&domain1, &domain2)); +} +END_TEST + +START_TEST(compress_full_match) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 0 bytes, then a jump to addr 2 */ + fail_unless(length == 0); + fail_unless(offset == 2); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_full_match_subset) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x02, 'g', 'o', 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 0 bytes, then a jump to addr 5 */ + fail_unless(length == 0); + fail_unless(offset == 5); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_full_match_jump) +{ + static const u8_t data[] = { + /* 0x00 */ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + /* 0x10 */ 0x04, 'l', 'w', 'i', 'p', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xc0, 0x00, 0x02, 0x00, + /* 0x20 */ 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0xc0, 0x15 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 0x20; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 0 bytes, then a jump to addr 0x20 */ + fail_unless(length == 0); + fail_unless(offset == 0x20); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_no_match) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x04, 'l', 'w', 'i', 'p', 0x05, 'w', 'i', 'k', 'i', 'a', 0x03, 'c', 'o', 'm', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + /* Write all bytes, no jump */ + fail_unless(length == domain.length); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_2nd_label) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "lwip", 4); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 5 bytes, then a jump to addr 9 */ + fail_unless(length == 5); + fail_unless(offset == 9); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_2nd_label_short) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x04, 'l', 'w', 'i', 'p', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 5 bytes, then a jump to addr 7 */ + fail_unless(length == 7); + fail_unless(offset == 7); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_jump_to_jump) +{ + static const u8_t data[] = { + /* 0x00 */ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + /* 0x10 */ 0x04, 'l', 'w', 'i', 'p', 0x05, 'l', 'o', 'c', 'a', 'l', 0x00, 0xc0, 0x00, 0x02, 0x00, + /* 0x20 */ 0x07, 'b', 'a', 'n', 'a', 'n', 'a', 's', 0xc0, 0x15 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 0x20; + length = mdns_compress_domain(p, &offset, &domain); + /* Don't compress if jump would be to a jump */ + fail_unless(length == domain.length); + + offset = 0x10; + length = mdns_compress_domain(p, &offset, &domain); + /* Write 7 bytes, then a jump to addr 0x15 */ + fail_unless(length == 7); + fail_unless(offset == 0x15); + + pbuf_free(p); +} +END_TEST + +START_TEST(compress_long_match) +{ + static const u8_t data[] = { + 0x00, 0x00, + 0x06, 'f', 'o', 'o', 'b', 'a', 'r', 0x05, 'l', 'o', 'c', 'a', 'l', 0x03, 'c', 'o', 'm', 0x00 + }; + struct pbuf *p; + struct mdns_domain domain; + u16_t offset; + u16_t length; + err_t res; + LWIP_UNUSED_ARG(_i); + + p = pbuf_alloc(PBUF_RAW, sizeof(data), PBUF_ROM); + fail_if(p == NULL); + p->payload = (void *)(size_t)data; + + memset(&domain, 0, sizeof(domain)); + res = mdns_domain_add_label(&domain, "foobar", 6); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, "local", 5); + fail_unless(res == ERR_OK); + res = mdns_domain_add_label(&domain, NULL, 0); + fail_unless(res == ERR_OK); + + offset = 2; + length = mdns_compress_domain(p, &offset, &domain); + fail_unless(length == domain.length); + + pbuf_free(p); +} +END_TEST + +Suite* mdns_suite(void) +{ + testfunc tests[] = { + TESTFUNC(readname_basic), + TESTFUNC(readname_anydata), + TESTFUNC(readname_short_buf), + TESTFUNC(readname_long_label), + TESTFUNC(readname_overflow), + TESTFUNC(readname_jump_earlier), + TESTFUNC(readname_jump_earlier_jump), + TESTFUNC(readname_jump_maxdepth), + TESTFUNC(readname_jump_later), + TESTFUNC(readname_half_jump), + TESTFUNC(readname_jump_toolong), + TESTFUNC(readname_jump_loop_label), + TESTFUNC(readname_jump_loop_jump), + + TESTFUNC(add_label_basic), + TESTFUNC(add_label_long_label), + TESTFUNC(add_label_full), + + TESTFUNC(domain_eq_basic), + TESTFUNC(domain_eq_diff), + TESTFUNC(domain_eq_case), + TESTFUNC(domain_eq_anydata), + TESTFUNC(domain_eq_length), + + TESTFUNC(compress_full_match), + TESTFUNC(compress_full_match_subset), + TESTFUNC(compress_full_match_jump), + TESTFUNC(compress_no_match), + TESTFUNC(compress_2nd_label), + TESTFUNC(compress_2nd_label_short), + TESTFUNC(compress_jump_to_jump), + TESTFUNC(compress_long_match), + }; + return create_suite("MDNS", tests, sizeof(tests)/sizeof(testfunc), NULL, NULL); +} |