/* $NetBSD: ns_name_test.c,v 1.2 2018/04/07 22:37:29 christos Exp $ */ /* * Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* Tests the newly added functions: MRns_name_compress_list and * MRns_name_uncompress_list. These two functions rely on most of * the other functions in ns_name.c. If these tests pass, then the * majority of those functions work. * * This is not exhaustive test of these functions, much more could be * done. */ #include "config.h" #include #include "dhcpd.h" ATF_TC(MRns_name_list_funcs); ATF_TC_HEAD(MRns_name_list_funcs, tc) { atf_tc_set_md_var(tc, "descr", "MRns_name list funcs test, " "compress from text, decompress to text"); } void concat_lists (const char* label, struct data_string* list1, struct data_string* list2, const char *refbuf, size_t reflen); ATF_TC_BODY(MRns_name_list_funcs, tc) { const char text_list[] = "one.two.com,three.two.com,four.two.com"; unsigned char comp_list[] = { 0x03,0x6f,0x6e,0x65,0x03,0x74,0x77,0x6f,0x03,0x63,0x6f, 0x6d,0x00,0x05,0x74,0x68,0x72,0x65,0x65,0xc0,0x04,0x04, 0x66,0x6f,0x75,0x72,0xc0,0x04}; unsigned char compbuf[sizeof(comp_list)]; char textbuf[sizeof(text_list)]; int ret; memset(compbuf, 0x00, sizeof(compbuf)); /* Compress the reference text list */ ret = MRns_name_compress_list(text_list, sizeof(text_list), compbuf, sizeof(compbuf)); /* Verify compressed length is correct */ ATF_REQUIRE_MSG((ret == sizeof(compbuf)), "compressed len %d wrong", ret); /* Verify compressed content is correct */ ATF_REQUIRE_MSG((memcmp(comp_list, compbuf, sizeof(compbuf)) == 0), "compressed buffer content wrong"); /* Decompress the new compressed list */ ret = MRns_name_uncompress_list(compbuf, ret, textbuf, sizeof(textbuf)); /* Verify decompressed length is correct */ ATF_REQUIRE_MSG((ret == strlen(text_list)), "uncompressed len %d wrong", ret); /* Verify decompressed content is correct */ ATF_REQUIRE_MSG((memcmp(textbuf, text_list, sizeof(textbuf)) == 0), "uncompressed buffer content wrong"); } ATF_TC(concat_dclists); ATF_TC_HEAD(concat_dclists, tc) { atf_tc_set_md_var(tc, "descr", "concat_dclists function test, " "permutate concating empty and non-empty lists"); } ATF_TC_BODY(concat_dclists, tc) { /* Compressed list version of "booya.com" */ const char data[] = {0x05, 0x62, 0x6f, 0x6f, 0x79, 0x61, 0x03, 0x63, 0x6f, 0x6d, 0x00 }; /* Concatenation of data with itself */ const char data2[] = {0x05, 0x62, 0x6f, 0x6f, 0x79, 0x61, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0xc0, 0x00 }; struct data_string nonempty; struct data_string empty; /* Make a non-empty compressed list from data[] */ nonempty.len = sizeof(data); buffer_allocate(&(nonempty.buffer), nonempty.len, MDL); memcpy(nonempty.buffer->data, data, nonempty.len); nonempty.data = nonempty.buffer->data; /* Permutate NULL with non-empty list */ concat_lists("null + null", NULL, NULL, "", 1); concat_lists("null + nonempty", NULL, &nonempty, data, sizeof(data)); concat_lists("nonempty + null", &nonempty, NULL, data, sizeof(data)); /* Permutate zeroed-out list with non-empty list */ memset (&empty, 0x00, sizeof(struct data_string)); concat_lists("zero-list + zero-list", &empty, &empty, "", 1); concat_lists("zero-list + nonempty", &empty, &nonempty, data, sizeof(data)); concat_lists("nonempty + zero-list", &nonempty, &empty, data, sizeof(data)); /* Create an empty list which is a buffer with 1 null in it */ /* Make sure those work the same as zeroed out data_strings */ buffer_allocate (&empty.buffer, 1, MDL); empty.len = 1; empty.data = empty.buffer->data; /* Permutate with empty list */ concat_lists("empty + empty", &empty, &empty, "", 1); concat_lists("empty + nonempty", &empty, &nonempty, data, sizeof(data)); concat_lists("nonempty + empty", &nonempty, &empty, data, sizeof(data)); /* Permutate with list len of 0 */ empty.len = 0; concat_lists("zero-len + zero-len", &empty, &empty, "", 1); concat_lists("zero-len + nonempty", &empty, &nonempty, data, sizeof(data)); concat_lists("nonempty + zero-len", &nonempty, &empty, data, sizeof(data)); /* Lastly, make sure two non-empty lists concat correctly */ concat_lists("nonempty + nonempty", &nonempty, &nonempty, data2, sizeof(data2)); data_string_forget(&empty, MDL); data_string_forget(&nonempty, MDL); } /* Helper function which tests concatenating two compressed lists * * \param label text to print in error message * \param list1 data_string containing first list * \param list2 data_string containing second list * \param refbuf buffer containing the expected concatentated data * \param reflen length of the expected data */ void concat_lists (const char* label, struct data_string* list1, struct data_string* list2, const char *refbuf, size_t reflen) { struct data_string result; int rc; memset (&result, 0x00, sizeof(struct data_string)); rc = concat_dclists (&result, list1, list2); ATF_REQUIRE_MSG((rc >= 0), "%s concat_dclists call failed %d", label, rc); ATF_REQUIRE_MSG(result.len == reflen, "%s result len: %d incorrect", label, result.len); if (refbuf != NULL) { ATF_REQUIRE_MSG((memcmp(result.data, refbuf, reflen) == 0), "%s content is incorrect", label); } data_string_forget(&result, MDL); } ATF_TP_ADD_TCS(tp) { ATF_TP_ADD_TC(tp, MRns_name_list_funcs); ATF_TP_ADD_TC(tp, concat_dclists); return (atf_no_error()); }