/* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include TEST(arpa_inet, inet_addr) { ASSERT_EQ((htonl)(0x7f000001), inet_addr("127.0.0.1")); } TEST(arpa_inet, inet_aton) { in_addr a; // a.b.c.d a.s_addr = 0; ASSERT_EQ(1, inet_aton("127.1.2.3", &a)); ASSERT_EQ((htonl)(0x7f010203), a.s_addr); // a.b.c a.s_addr = 0; ASSERT_EQ(1, inet_aton("127.1.2", &a)); ASSERT_EQ((htonl)(0x7f010002), a.s_addr); // a.b a.s_addr = 0; ASSERT_EQ(1, inet_aton("127.1", &a)); ASSERT_EQ((htonl)(0x7f000001), a.s_addr); // a a.s_addr = 0; ASSERT_EQ(1, inet_aton("0x7f000001", &a)); ASSERT_EQ((htonl)(0x7f000001), a.s_addr); // Hex (0x) and mixed-case hex digits. a.s_addr = 0; ASSERT_EQ(1, inet_aton("0xFf.0.0.1", &a)); ASSERT_EQ((htonl)(0xff000001), a.s_addr); // Hex (0X) and mixed-case hex digits. a.s_addr = 0; ASSERT_EQ(1, inet_aton("0XfF.0.0.1", &a)); ASSERT_EQ((htonl)(0xff000001), a.s_addr); // Octal. a.s_addr = 0; ASSERT_EQ(1, inet_aton("0177.0.0.1", &a)); ASSERT_EQ((htonl)(0x7f000001), a.s_addr); a.s_addr = 0; ASSERT_EQ(1, inet_aton("036", &a)); ASSERT_EQ((htonl)(036U), a.s_addr); } TEST(arpa_inet, inet_aton_nullptr) { ASSERT_EQ(0, inet_aton("", nullptr)); ASSERT_EQ(1, inet_aton("127.0.0.1", nullptr)); } TEST(arpa_inet, inet_aton_invalid) { ASSERT_EQ(0, inet_aton("", nullptr)); // Empty. ASSERT_EQ(0, inet_aton("x", nullptr)); // Leading junk. ASSERT_EQ(0, inet_aton("127.0.0.1x", nullptr)); // Trailing junk. ASSERT_EQ(0, inet_aton("09.0.0.1", nullptr)); // Invalid octal. ASSERT_EQ(0, inet_aton("0xg.0.0.1", nullptr)); // Invalid hex. ASSERT_EQ(0, inet_aton("1.2.3.4.5", nullptr)); // Too many dots. ASSERT_EQ(0, inet_aton("1.2.3.4.", nullptr)); // Trailing dot. // Out of range a.b.c.d form. ASSERT_EQ(0, inet_aton("999.0.0.1", nullptr)); ASSERT_EQ(0, inet_aton("0.999.0.1", nullptr)); ASSERT_EQ(0, inet_aton("0.0.999.1", nullptr)); ASSERT_EQ(0, inet_aton("0.0.0.999", nullptr)); // Out of range a.b.c form. ASSERT_EQ(0, inet_aton("256.0.0", nullptr)); ASSERT_EQ(0, inet_aton("0.256.0", nullptr)); ASSERT_EQ(0, inet_aton("0.0.0x10000", nullptr)); // Out of range a.b form. ASSERT_EQ(0, inet_aton("256.0", nullptr)); ASSERT_EQ(0, inet_aton("0.0x1000000", nullptr)); // Out of range a form. ASSERT_EQ(0, inet_aton("0x100000000", nullptr)); // 64-bit overflow. ASSERT_EQ(0, inet_aton("0x10000000000000000", nullptr)); // Out of range octal. ASSERT_EQ(0, inet_aton("0400.0.0.1", nullptr)); } TEST(arpa_inet, inet_lnaof) { in_addr a = { htonl(0x12345678) }; ASSERT_EQ(0x00345678U, inet_lnaof(a)); } TEST(arpa_inet, inet_makeaddr) { in_addr a = inet_makeaddr(0x12U, 0x345678); ASSERT_EQ((htonl)(0x12345678), a.s_addr); } TEST(arpa_inet, inet_netof) { in_addr a = { htonl(0x12345678) }; ASSERT_EQ(0x12U, inet_netof(a)); } TEST(arpa_inet, inet_network) { ASSERT_EQ(0x7f000001U, inet_network("127.0.0.1")); ASSERT_EQ(0x7fU, inet_network("0x7f")); ASSERT_EQ(~0U, inet_network("")); } TEST(arpa_inet, inet_ntoa) { in_addr a = { (htonl)(0x7f000001) }; ASSERT_STREQ("127.0.0.1", inet_ntoa(a)); } TEST(arpa_inet, inet_pton__inet_ntop) { sockaddr_storage ss; ASSERT_EQ(1, inet_pton(AF_INET, "127.0.0.1", &ss)); char s[INET_ADDRSTRLEN]; ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss, s, INET_ADDRSTRLEN)); } TEST(arpa_inet, inet_ntop_overflow) { // OpenBSD's inet_ntop had a bug where passing a 'size' larger than INET_ADDRSTRLEN // for AF_INET or INET6_ADDRSTRLEN for AF_INET6 would cause inet_ntop to overflow an // internal buffer. sockaddr_storage ss4; ASSERT_EQ(1, inet_pton(AF_INET, "127.0.0.1", &ss4)); sockaddr_storage ss6; ASSERT_EQ(1, inet_pton(AF_INET6, "::1", &ss6)); char s4[INET_ADDRSTRLEN]; char s6[INET6_ADDRSTRLEN]; ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss4, s4, INET_ADDRSTRLEN)); ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss4, s4, 2*INET_ADDRSTRLEN)); ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, INET_ADDRSTRLEN)); ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, INET6_ADDRSTRLEN)); ASSERT_STREQ("::1", inet_ntop(AF_INET6, &ss6, s6, 2*INET6_ADDRSTRLEN)); } TEST(arpa_inet, inet_nsap_addr) { #if !defined(ANDROID_HOST_MUSL) // inet_nsap_addr() doesn't seem to be documented anywhere, but it's basically // text to binary for arbitrarily-long strings like "0xdeadbeef". Any // '.', '+', or '/' characters are ignored as punctuation. The return value is // the length in bytes, or 0 for all errors. u_char buf[32]; // Missing "0x" prefix. ASSERT_EQ(0U, inet_nsap_addr("123", buf, sizeof(buf))); ASSERT_EQ(0U, inet_nsap_addr("012", buf, sizeof(buf))); // 1 byte. ASSERT_EQ(1U, inet_nsap_addr("0x12", buf, sizeof(buf))); ASSERT_EQ(0x12, buf[0]); // 10 bytes. ASSERT_EQ(10U, inet_nsap_addr("0x1234567890abcdef0011", buf, sizeof(buf))); ASSERT_EQ(0x12, buf[0]); ASSERT_EQ(0x34, buf[1]); ASSERT_EQ(0x56, buf[2]); ASSERT_EQ(0x78, buf[3]); ASSERT_EQ(0x90, buf[4]); ASSERT_EQ(0xab, buf[5]); ASSERT_EQ(0xcd, buf[6]); ASSERT_EQ(0xef, buf[7]); ASSERT_EQ(0x00, buf[8]); ASSERT_EQ(0x11, buf[9]); // Ignored punctuation. ASSERT_EQ(10U, inet_nsap_addr("0x1122.3344+5566/7788/99aa", buf, sizeof(buf))); ASSERT_EQ(0x11, buf[0]); ASSERT_EQ(0x22, buf[1]); ASSERT_EQ(0x33, buf[2]); ASSERT_EQ(0x44, buf[3]); ASSERT_EQ(0x55, buf[4]); ASSERT_EQ(0x66, buf[5]); ASSERT_EQ(0x77, buf[6]); ASSERT_EQ(0x88, buf[7]); ASSERT_EQ(0x99, buf[8]); ASSERT_EQ(0xaa, buf[9]); // Truncated. ASSERT_EQ(4U, inet_nsap_addr("0xdeadbeef666666666666", buf, 4)); // Overwritten... ASSERT_EQ(0xde, buf[0]); ASSERT_EQ(0xad, buf[1]); ASSERT_EQ(0xbe, buf[2]); ASSERT_EQ(0xef, buf[3]); // Same as before... ASSERT_EQ(0x55, buf[4]); ASSERT_EQ(0x66, buf[5]); ASSERT_EQ(0x77, buf[6]); ASSERT_EQ(0x88, buf[7]); ASSERT_EQ(0x99, buf[8]); ASSERT_EQ(0xaa, buf[9]); // Case insensitivity. ASSERT_EQ(6U, inet_nsap_addr("0xaAbBcCdDeEfF", buf, 6)); ASSERT_EQ(0xaa, buf[0]); ASSERT_EQ(0xbb, buf[1]); ASSERT_EQ(0xcc, buf[2]); ASSERT_EQ(0xdd, buf[3]); ASSERT_EQ(0xee, buf[4]); ASSERT_EQ(0xff, buf[5]); // Punctuation isn't allowed within a byte. ASSERT_EQ(0U, inet_nsap_addr("0x1.122", buf, sizeof(buf))); // Invalid punctuation. ASSERT_EQ(0U, inet_nsap_addr("0x11,22", buf, sizeof(buf))); // Invalid hex digit. ASSERT_EQ(0U, inet_nsap_addr("0x11.g2", buf, sizeof(buf))); ASSERT_EQ(0U, inet_nsap_addr("0x11.2g", buf, sizeof(buf))); // Invalid half-byte. ASSERT_EQ(0U, inet_nsap_addr("0x11.2", buf, sizeof(buf))); #else GTEST_SKIP() << "musl doesn't have inet_nsap_addr"; #endif } TEST(arpa_inet, inet_nsap_ntoa) { #if !defined(ANDROID_HOST_MUSL) // inet_nsap_ntoa() doesn't seem to be documented anywhere, but it's basically // binary to text for arbitrarily-long byte buffers. // The return value is a pointer to the buffer. No errors are possible. const unsigned char bytes[] = {0x01, 0x00, 0x02, 0x0e, 0xf0, 0x20}; char dst[32]; ASSERT_EQ(dst, inet_nsap_ntoa(6, bytes, dst)); ASSERT_STREQ(dst, "0x01.0002.0EF0.20"); #else GTEST_SKIP() << "musl doesn't have inet_nsap_ntoa"; #endif } TEST(arpa_inet, inet_nsap_ntoa__nullptr) { #if !defined(ANDROID_HOST_MUSL) // If you don't provide a destination, a static buffer is provided for you. const unsigned char bytes[] = {0x01, 0x00, 0x02, 0x0e, 0xf0, 0x20}; ASSERT_STREQ("0x01.0002.0EF0.20", inet_nsap_ntoa(6, bytes, nullptr)); #else GTEST_SKIP() << "musl doesn't have inet_nsap_ntoa"; #endif }