/* Test legacy IPv4 text-to-address function inet_aton. Copyright (C) 1998-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include #include #include #include #include static const struct tests { const char *input; int valid; uint32_t result; } tests[] = { { "", 0, 0 }, { "-1", 0, 0 }, { "256", 1, 0x00000100 }, { "256.", 0, 0 }, { "255a", 0, 0 }, { "256a", 0, 0 }, { "0x100", 1, 0x00000100 }, { "0200.0x123456", 1, 0x80123456 }, { "0300.0x89123456.", 0 ,0 }, { "0100.-0xffff0000", 0, 0 }, { "0.0xffffff", 1, 0x00ffffff }, { "0.0x1000000", 0, 0 }, { "0377.16777215", 1, 0xffffffff }, { "0377.16777216", 0, 0 }, { "0x87.077777777", 1, 0x87ffffff }, { "0x87.0100000000", 0, 0 }, { "0.1.3", 1, 0x00010003 }, { "0.256.3", 0, 0 }, { "256.1.3", 0, 0 }, { "0.1.0x10000", 0, 0 }, { "0.1.0xffff", 1, 0x0001ffff }, { "0.1a.3", 0, 0 }, { "0.1.a3", 0, 0 }, { "1.2.3.4", 1, 0x01020304 }, { "0400.2.3.4", 0, 0 }, { "1.0x100.3.4", 0, 0 }, { "1.2.256.4", 0, 0 }, { "1.2.3.0x100", 0, 0 }, { "323543357756889", 0, 0 }, { "10.1.2.3.4", 0, 0 }, { "192.0.2.1", 1, 0xc0000201 }, { "192.0.2.2\nX", 1, 0xc0000202 }, { "192.0.2.3 Y", 1, 0xc0000203 }, { "192.0.2.3Z", 0, 0 }, { "192.000.002.010", 1, 0xc0000208 }, }; static int do_test (void) { int result = 0; size_t cnt; for (cnt = 0; cnt < array_length (tests); ++cnt) { struct in_addr addr; if ((int) inet_aton (tests[cnt].input, &addr) != tests[cnt].valid) { if (tests[cnt].valid) printf ("\"%s\" not seen as valid IP address\n", tests[cnt].input); else printf ("\"%s\" seen as valid IP address\n", tests[cnt].input); result = 1; } else if (tests[cnt].valid && addr.s_addr != ntohl (tests[cnt].result)) { printf ("\"%s\" not converted correctly: is %08x, should be %08x\n", tests[cnt].input, addr.s_addr, tests[cnt].result); result = 1; } } return result; } #include