mirror of
https://github.com/yarrick/iodine.git
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221 lines
6.8 KiB
C
221 lines
6.8 KiB
C
/*
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* Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
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* 2006-2009 Bjorn Andersson <flex@kryo.se>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <check.h>
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#include <common.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netdb.h>
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START_TEST(test_topdomain_ok)
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{
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char *error;
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ck_assert(check_topdomain("foo.0123456789.qwertyuiop.asdfghjkl.zxcvbnm.com", &error) == 0);
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/* Not allowed to start with dot */
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ck_assert(check_topdomain(".foo.0123456789.qwertyuiop.asdfghjkl.zxcvbnm.com", &error));
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ck_assert(strcmp("Starts with a dot", error) == 0);
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/* Test missing error msg ptr */
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ck_assert(check_topdomain(".foo", NULL));
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}
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END_TEST
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START_TEST(test_topdomain_length)
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{
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char *error;
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/* Test empty and too short */
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ck_assert(check_topdomain("", &error));
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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ck_assert(check_topdomain("a", &error));
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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ck_assert(check_topdomain(".a", &error));
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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ck_assert(check_topdomain("a.", &error));
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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ck_assert(check_topdomain("ab", &error));
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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ck_assert(check_topdomain("a.b", &error) == 0);
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ck_assert(strcmp("Too short (< 3)", error) == 0);
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/* Test too long (over 128, need rest of space for data) */
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ck_assert(check_topdomain(
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"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
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"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
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"abcd12345.abcd12345.foo129xxx", &error));
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ck_assert(strcmp("Too long (> 128)", error) == 0);
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ck_assert(check_topdomain(
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"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
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"abcd12345.abcd12345.abcd12345.abcd12345.abcd12345."
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"abcd12345.abcd12345.foo128xx", &error) == 0);
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}
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END_TEST
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START_TEST(test_topdomain_chunks)
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{
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char *error;
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/* Must have at least one dot */
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ck_assert(check_topdomain("abcde.gh", &error) == 0);
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ck_assert(check_topdomain("abcdefgh", &error));
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ck_assert(strcmp("No dots", error) == 0);
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/* Not two consecutive dots */
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ck_assert(check_topdomain("abc..defgh", &error));
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ck_assert(strcmp("Consecutive dots", error) == 0);
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/* Not end with a dots */
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ck_assert(check_topdomain("abc.defgh.", &error));
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ck_assert(strcmp("Ends with a dot", error) == 0);
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/* No chunk longer than 63 chars */
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ck_assert(check_topdomain("123456789012345678901234567890"
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"123456789012345678901234567890333.com", &error) == 0);
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ck_assert(check_topdomain("123456789012345678901234567890"
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"1234567890123456789012345678904444.com", &error));
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ck_assert(strcmp("Too long domain part (> 63)", error) == 0);
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ck_assert(check_topdomain("abc.123456789012345678901234567890"
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"123456789012345678901234567890333.com", &error) == 0);
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ck_assert(check_topdomain("abc.123456789012345678901234567890"
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"1234567890123456789012345678904444.com", &error));
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ck_assert(strcmp("Too long domain part (> 63)", error) == 0);
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ck_assert(check_topdomain("abc.123456789012345678901234567890"
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"123456789012345678901234567890333", &error) == 0);
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ck_assert(check_topdomain("abc.123456789012345678901234567890"
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"1234567890123456789012345678904444", &error));
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ck_assert(strcmp("Too long domain part (> 63)", error) == 0);
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}
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END_TEST
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START_TEST(test_parse_format_ipv4)
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{
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char *host = "192.168.2.10";
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char *formatted;
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struct sockaddr_storage addr;
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struct sockaddr_in *v4addr;
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int addr_len;
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addr_len = get_addr(host, 53, AF_INET, 0, &addr);
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ck_assert(addr_len == sizeof(struct sockaddr_in));
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v4addr = (struct sockaddr_in *) &addr;
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ck_assert(v4addr->sin_addr.s_addr == htonl(0xc0a8020a));
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ck_assert(v4addr->sin_port == htons(53));
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formatted = format_addr(&addr, addr_len);
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ck_assert(strcmp(host, formatted) == 0);
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}
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END_TEST
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START_TEST(test_parse_format_ipv4_listen_all)
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{
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char *host = "0.0.0.0";
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char *formatted;
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struct sockaddr_storage addr;
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struct sockaddr_in *v4addr;
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int addr_len;
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addr_len = get_addr(NULL, 53, AF_INET, AI_PASSIVE, &addr);
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ck_assert(addr_len == sizeof(struct sockaddr_in));
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v4addr = (struct sockaddr_in *) &addr;
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ck_assert(v4addr->sin_addr.s_addr == htonl(0x00000000));
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ck_assert(v4addr->sin_port == htons(53));
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formatted = format_addr(&addr, addr_len);
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ck_assert(strcmp(host, formatted) == 0);
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}
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END_TEST
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START_TEST(test_parse_format_ipv6)
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{
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char *host = "2001:0db8:0505:0::123:0abc";
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char *compact = "2001:db8:505::123:abc";
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unsigned char v6_bits[] = {
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0x20, 0x01, 0x0d, 0xb8, 0x05, 0x05, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x01, 0x23, 0x0a, 0xbc,
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};
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char *formatted;
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struct sockaddr_storage addr;
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struct sockaddr_in6 *v6addr;
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int addr_len;
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addr_len = get_addr(host, 53, AF_UNSPEC, 0, &addr);
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ck_assert(addr_len == sizeof(struct sockaddr_in6));
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v6addr = (struct sockaddr_in6 *) &addr;
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ck_assert(memcmp(&v6addr->sin6_addr, v6_bits, sizeof(v6_bits)) == 0);
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ck_assert(v6addr->sin6_port == htons(53));
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formatted = format_addr(&addr, addr_len);
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ck_assert(strcmp(compact, formatted) == 0);
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}
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END_TEST
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START_TEST(test_parse_format_ipv4_mapped_ipv6)
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{
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char *v4mapped = "::FFFF:192.168.2.10";
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char *host = "192.168.2.10";
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unsigned char v6_bits[] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x02, 0x0a,
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};
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char *formatted;
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struct sockaddr_storage addr;
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struct sockaddr_in6 *v6addr;
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int addr_len;
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addr_len = get_addr(v4mapped, 53, AF_INET6, 0, &addr);
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ck_assert(addr_len == sizeof(struct sockaddr_in6));
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v6addr = (struct sockaddr_in6 *) &addr;
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ck_assert(memcmp(&v6addr->sin6_addr, v6_bits, sizeof(v6_bits)) == 0);
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ck_assert(v6addr->sin6_port == htons(53));
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/* Format as IPv4 address */
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formatted = format_addr(&addr, addr_len);
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ck_assert(strcmp(host, formatted) == 0);
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}
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END_TEST
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TCase *
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test_common_create_tests()
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{
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TCase *tc;
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int sock;
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tc = tcase_create("Common");
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tcase_add_test(tc, test_topdomain_ok);
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tcase_add_test(tc, test_topdomain_length);
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tcase_add_test(tc, test_topdomain_chunks);
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tcase_add_test(tc, test_parse_format_ipv4);
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tcase_add_test(tc, test_parse_format_ipv4_listen_all);
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/* Tests require IPv6 support */
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sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
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if (sock >= 0) {
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close(sock);
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tcase_add_test(tc, test_parse_format_ipv6);
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tcase_add_test(tc, test_parse_format_ipv4_mapped_ipv6);
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}
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return tc;
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}
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