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Implement inet_pton for AF_INET6 (#583)

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Gavin Hayes 2022-08-31 18:14:42 -04:00 • committed by GitHub
parent 3f0414e1cb
commit d213a48190
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2 changed files with 445 additions and 1 deletions
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322
test/libc/sock/inet_pton_test.c
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@ -29,6 +29,46 @@ TEST(inet_pton, testLocalhost) {
EXPECT_EQ(0, addr[1]);
EXPECT_EQ(0, addr[2]);
EXPECT_EQ(1, addr[3]);
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "::1", &addrv6));
EXPECT_EQ(0, addrv6[0]);
EXPECT_EQ(0, addrv6[1]);
EXPECT_EQ(0, addrv6[2]);
EXPECT_EQ(0, addrv6[3]);
EXPECT_EQ(0, addrv6[4]);
EXPECT_EQ(0, addrv6[5]);
EXPECT_EQ(0, addrv6[6]);
EXPECT_EQ(0, addrv6[7]);
EXPECT_EQ(0, addrv6[8]);
EXPECT_EQ(0, addrv6[9]);
EXPECT_EQ(0, addrv6[10]);
EXPECT_EQ(0, addrv6[11]);
EXPECT_EQ(0, addrv6[12]);
EXPECT_EQ(0, addrv6[13]);
EXPECT_EQ(0, addrv6[14]);
EXPECT_EQ(1, addrv6[15]);
uint8_t addrv6_second[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "0:0:0:0:0:0:0:1", &addrv6_second));
EXPECT_EQ(0, addrv6_second[0]);
EXPECT_EQ(0, addrv6_second[1]);
EXPECT_EQ(0, addrv6_second[2]);
EXPECT_EQ(0, addrv6_second[3]);
EXPECT_EQ(0, addrv6_second[4]);
EXPECT_EQ(0, addrv6_second[5]);
EXPECT_EQ(0, addrv6_second[6]);
EXPECT_EQ(0, addrv6_second[7]);
EXPECT_EQ(0, addrv6_second[8]);
EXPECT_EQ(0, addrv6_second[9]);
EXPECT_EQ(0, addrv6_second[10]);
EXPECT_EQ(0, addrv6_second[11]);
EXPECT_EQ(0, addrv6_second[12]);
EXPECT_EQ(0, addrv6_second[13]);
EXPECT_EQ(0, addrv6_second[14]);
EXPECT_EQ(1, addrv6_second[15]);
}
TEST(inet_pton, testAny) {
@ -38,6 +78,46 @@ TEST(inet_pton, testAny) {
EXPECT_EQ(0, addr[1]);
EXPECT_EQ(0, addr[2]);
EXPECT_EQ(0, addr[3]);
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "::", &addrv6));
EXPECT_EQ(0, addrv6[0]);
EXPECT_EQ(0, addrv6[1]);
EXPECT_EQ(0, addrv6[2]);
EXPECT_EQ(0, addrv6[3]);
EXPECT_EQ(0, addrv6[4]);
EXPECT_EQ(0, addrv6[5]);
EXPECT_EQ(0, addrv6[6]);
EXPECT_EQ(0, addrv6[7]);
EXPECT_EQ(0, addrv6[8]);
EXPECT_EQ(0, addrv6[9]);
EXPECT_EQ(0, addrv6[10]);
EXPECT_EQ(0, addrv6[11]);
EXPECT_EQ(0, addrv6[12]);
EXPECT_EQ(0, addrv6[13]);
EXPECT_EQ(0, addrv6[14]);
EXPECT_EQ(0, addrv6[15]);
uint8_t addrv6_second[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "0:0:0:0:0:0:0:0", &addrv6_second));
EXPECT_EQ(0, addrv6_second[0]);
EXPECT_EQ(0, addrv6_second[1]);
EXPECT_EQ(0, addrv6_second[2]);
EXPECT_EQ(0, addrv6_second[3]);
EXPECT_EQ(0, addrv6_second[4]);
EXPECT_EQ(0, addrv6_second[5]);
EXPECT_EQ(0, addrv6_second[6]);
EXPECT_EQ(0, addrv6_second[7]);
EXPECT_EQ(0, addrv6_second[8]);
EXPECT_EQ(0, addrv6_second[9]);
EXPECT_EQ(0, addrv6_second[10]);
EXPECT_EQ(0, addrv6_second[11]);
EXPECT_EQ(0, addrv6_second[12]);
EXPECT_EQ(0, addrv6_second[13]);
EXPECT_EQ(0, addrv6_second[14]);
EXPECT_EQ(0, addrv6_second[15]);
}
TEST(inet_pton, testShortAddress_doesntFillFullValue) {
@ -47,6 +127,10 @@ TEST(inet_pton, testShortAddress_doesntFillFullValue) {
EXPECT_EQ(0, addr[1]);
EXPECT_EQ(0, addr[2]);
EXPECT_EQ(255, addr[3]);
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(0, inet_pton(AF_INET6, "0:0:0:0:0:0:0", &addrv6));
}
TEST(inet_pton, testOverflow_stopsParsing) {
@ -65,6 +149,10 @@ TEST(inet_pton, testBadChar_stopsParsing) {
EXPECT_EQ(255, addr[1]);
EXPECT_EQ(255, addr[2]);
EXPECT_EQ(255, addr[3]);
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(0, inet_pton(AF_INET6, "0:0:0:0-0:0:0:0", &addrv6));
}
TEST(inet_pton, testBadFamily_returnsNegAndChangesNothing) {
@ -75,3 +163,237 @@ TEST(inet_pton, testBadFamily_returnsNegAndChangesNothing) {
EXPECT_EQ(255, addr[2]);
EXPECT_EQ(255, addr[3]);
}
TEST(inet_pton, testIPv6BadColon_fails) {
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(0, inet_pton(AF_INET6, "0:0:0:0:0:0:0:0:", &addrv6));
uint8_t addrv6_second[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(0, inet_pton(AF_INET6, "0:0:0:0:0:0:0:0:0", &addrv6_second));
}
TEST(inet_pton, testMappedIPv4inIPv6) {
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "::FFFF:204.152.189.116", &addrv6));
EXPECT_EQ(0, addrv6[0]);
EXPECT_EQ(0, addrv6[1]);
EXPECT_EQ(0, addrv6[2]);
EXPECT_EQ(0, addrv6[3]);
EXPECT_EQ(0, addrv6[4]);
EXPECT_EQ(0, addrv6[5]);
EXPECT_EQ(0, addrv6[6]);
EXPECT_EQ(0, addrv6[7]);
EXPECT_EQ(0, addrv6[8]);
EXPECT_EQ(0, addrv6[9]);
EXPECT_EQ(0xFF, addrv6[10]);
EXPECT_EQ(0xFF, addrv6[11]);
EXPECT_EQ(0xCC, addrv6[12]);
EXPECT_EQ(0x98, addrv6[13]);
EXPECT_EQ(0xBD, addrv6[14]);
EXPECT_EQ(0x74, addrv6[15]);
uint8_t addrv6_second[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:2:3:4::5.6.7.8", &addrv6_second));
EXPECT_EQ(0, addrv6_second[0]);
EXPECT_EQ(1, addrv6_second[1]);
EXPECT_EQ(0, addrv6_second[2]);
EXPECT_EQ(2, addrv6_second[3]);
EXPECT_EQ(0, addrv6_second[4]);
EXPECT_EQ(3, addrv6_second[5]);
EXPECT_EQ(0, addrv6_second[6]);
EXPECT_EQ(4, addrv6_second[7]);
EXPECT_EQ(0, addrv6_second[8]);
EXPECT_EQ(0, addrv6_second[9]);
EXPECT_EQ(0, addrv6_second[10]);
EXPECT_EQ(0, addrv6_second[11]);
EXPECT_EQ(0x5, addrv6_second[12]);
EXPECT_EQ(0x6, addrv6_second[13]);
EXPECT_EQ(0x7, addrv6_second[14]);
EXPECT_EQ(0x8, addrv6_second[15]);
uint8_t addrv6_third[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:2:3:4::56.6.7.8", &addrv6_third));
EXPECT_EQ(0, addrv6_third[0]);
EXPECT_EQ(1, addrv6_third[1]);
EXPECT_EQ(0, addrv6_third[2]);
EXPECT_EQ(2, addrv6_third[3]);
EXPECT_EQ(0, addrv6_third[4]);
EXPECT_EQ(3, addrv6_third[5]);
EXPECT_EQ(0, addrv6_third[6]);
EXPECT_EQ(4, addrv6_third[7]);
EXPECT_EQ(0, addrv6_third[8]);
EXPECT_EQ(0, addrv6_third[9]);
EXPECT_EQ(0, addrv6_third[10]);
EXPECT_EQ(0, addrv6_third[11]);
EXPECT_EQ(56, addrv6_third[12]);
EXPECT_EQ(0x6, addrv6_third[13]);
EXPECT_EQ(0x7, addrv6_third[14]);
EXPECT_EQ(0x8, addrv6_third[15]);
uint8_t addrv6_forth[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:2:3:4:5:6:7.8.9.10", &addrv6_forth));
EXPECT_EQ(0, addrv6_forth[0]);
EXPECT_EQ(1, addrv6_forth[1]);
EXPECT_EQ(0, addrv6_forth[2]);
EXPECT_EQ(2, addrv6_forth[3]);
EXPECT_EQ(0, addrv6_forth[4]);
EXPECT_EQ(3, addrv6_forth[5]);
EXPECT_EQ(0, addrv6_forth[6]);
EXPECT_EQ(4, addrv6_forth[7]);
EXPECT_EQ(0, addrv6_forth[8]);
EXPECT_EQ(5, addrv6_forth[9]);
EXPECT_EQ(0, addrv6_forth[10]);
EXPECT_EQ(6, addrv6_forth[11]);
EXPECT_EQ(7, addrv6_forth[12]);
EXPECT_EQ(8, addrv6_forth[13]);
EXPECT_EQ(9, addrv6_forth[14]);
EXPECT_EQ(10, addrv6_forth[15]);
}
TEST(inet_pton, testVariousIPv6) {
uint8_t addrv6[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:0:0:0:0:0:0:8", &addrv6));
EXPECT_EQ(0, addrv6[0]);
EXPECT_EQ(1, addrv6[1]);
EXPECT_EQ(0, addrv6[2]);
EXPECT_EQ(0, addrv6[3]);
EXPECT_EQ(0, addrv6[4]);
EXPECT_EQ(0, addrv6[5]);
EXPECT_EQ(0, addrv6[6]);
EXPECT_EQ(0, addrv6[7]);
EXPECT_EQ(0, addrv6[8]);
EXPECT_EQ(0, addrv6[9]);
EXPECT_EQ(0, addrv6[10]);
EXPECT_EQ(0, addrv6[11]);
EXPECT_EQ(0, addrv6[12]);
EXPECT_EQ(0, addrv6[13]);
EXPECT_EQ(0, addrv6[14]);
EXPECT_EQ(8, addrv6[15]);
uint8_t addrv6_second[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1::8", &addrv6_second));
EXPECT_EQ(0, addrv6_second[0]);
EXPECT_EQ(1, addrv6_second[1]);
EXPECT_EQ(0, addrv6_second[2]);
EXPECT_EQ(0, addrv6_second[3]);
EXPECT_EQ(0, addrv6_second[4]);
EXPECT_EQ(0, addrv6_second[5]);
EXPECT_EQ(0, addrv6_second[6]);
EXPECT_EQ(0, addrv6_second[7]);
EXPECT_EQ(0, addrv6_second[8]);
EXPECT_EQ(0, addrv6_second[9]);
EXPECT_EQ(0, addrv6_second[10]);
EXPECT_EQ(0, addrv6_second[11]);
EXPECT_EQ(0, addrv6_second[12]);
EXPECT_EQ(0, addrv6_second[13]);
EXPECT_EQ(0, addrv6_second[14]);
EXPECT_EQ(8, addrv6_second[15]);
uint8_t addrv6_third[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1::1:2:3:4", &addrv6_third));
EXPECT_EQ(0, addrv6_third[0]);
EXPECT_EQ(1, addrv6_third[1]);
EXPECT_EQ(0, addrv6_third[2]);
EXPECT_EQ(0, addrv6_third[3]);
EXPECT_EQ(0, addrv6_third[4]);
EXPECT_EQ(0, addrv6_third[5]);
EXPECT_EQ(0, addrv6_third[6]);
EXPECT_EQ(0, addrv6_third[7]);
EXPECT_EQ(0, addrv6_third[8]);
EXPECT_EQ(1, addrv6_third[9]);
EXPECT_EQ(0, addrv6_third[10]);
EXPECT_EQ(2, addrv6_third[11]);
EXPECT_EQ(0, addrv6_third[12]);
EXPECT_EQ(3, addrv6_third[13]);
EXPECT_EQ(0, addrv6_third[14]);
EXPECT_EQ(4, addrv6_third[15]);
uint8_t addrv6_forth[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:2:3:4::1", &addrv6_forth));
EXPECT_EQ(0, addrv6_forth[0]);
EXPECT_EQ(1, addrv6_forth[1]);
EXPECT_EQ(0, addrv6_forth[2]);
EXPECT_EQ(2, addrv6_forth[3]);
EXPECT_EQ(0, addrv6_forth[4]);
EXPECT_EQ(3, addrv6_forth[5]);
EXPECT_EQ(0, addrv6_forth[6]);
EXPECT_EQ(4, addrv6_forth[7]);
EXPECT_EQ(0, addrv6_forth[8]);
EXPECT_EQ(0, addrv6_forth[9]);
EXPECT_EQ(0, addrv6_forth[10]);
EXPECT_EQ(0, addrv6_forth[11]);
EXPECT_EQ(0, addrv6_forth[12]);
EXPECT_EQ(0, addrv6_forth[13]);
EXPECT_EQ(0, addrv6_forth[14]);
EXPECT_EQ(1, addrv6_forth[15]);
uint8_t addrv6_fifth[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "1:2F3D:4::1", &addrv6_fifth));
EXPECT_EQ(0, addrv6_fifth[0]);
EXPECT_EQ(1, addrv6_fifth[1]);
EXPECT_EQ(0x2F, addrv6_fifth[2]);
EXPECT_EQ(0x3D, addrv6_fifth[3]);
EXPECT_EQ(0, addrv6_fifth[4]);
EXPECT_EQ(4, addrv6_fifth[5]);
EXPECT_EQ(0, addrv6_fifth[6]);
EXPECT_EQ(0, addrv6_fifth[7]);
EXPECT_EQ(0, addrv6_fifth[8]);
EXPECT_EQ(0, addrv6_fifth[9]);
EXPECT_EQ(0, addrv6_fifth[10]);
EXPECT_EQ(0, addrv6_fifth[11]);
EXPECT_EQ(0, addrv6_fifth[12]);
EXPECT_EQ(0, addrv6_fifth[13]);
EXPECT_EQ(0, addrv6_fifth[14]);
EXPECT_EQ(1, addrv6_fifth[15]);
uint8_t addrv6_sixth[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "AAAA:2:3:4::DDDD", &addrv6_sixth));
EXPECT_EQ(0xAA, addrv6_sixth[0]);
EXPECT_EQ(0xAA, addrv6_sixth[1]);
EXPECT_EQ(0, addrv6_sixth[2]);
EXPECT_EQ(2, addrv6_sixth[3]);
EXPECT_EQ(0, addrv6_sixth[4]);
EXPECT_EQ(3, addrv6_sixth[5]);
EXPECT_EQ(0, addrv6_sixth[6]);
EXPECT_EQ(4, addrv6_sixth[7]);
EXPECT_EQ(0, addrv6_sixth[8]);
EXPECT_EQ(0, addrv6_sixth[9]);
EXPECT_EQ(0, addrv6_sixth[10]);
EXPECT_EQ(0, addrv6_sixth[11]);
EXPECT_EQ(0, addrv6_sixth[12]);
EXPECT_EQ(0, addrv6_sixth[13]);
EXPECT_EQ(0xDD, addrv6_sixth[14]);
EXPECT_EQ(0xDD, addrv6_sixth[15]);
uint8_t addrv6_seventh[16] = {255, 255, 255, 255, 255, 255, 255, 255,
255, 255, 255, 255, 255, 255, 255, 255};
EXPECT_EQ(1, inet_pton(AF_INET6, "aaaa:2:3:4CDE::DDDD", &addrv6_seventh));
EXPECT_EQ(0xAA, addrv6_seventh[0]);
EXPECT_EQ(0xAA, addrv6_seventh[1]);
EXPECT_EQ(0, addrv6_seventh[2]);
EXPECT_EQ(2, addrv6_seventh[3]);
EXPECT_EQ(0, addrv6_seventh[4]);
EXPECT_EQ(3, addrv6_seventh[5]);
EXPECT_EQ(0x4C, addrv6_seventh[6]);
EXPECT_EQ(0xDE, addrv6_seventh[7]);
EXPECT_EQ(0, addrv6_seventh[8]);
EXPECT_EQ(0, addrv6_seventh[9]);
EXPECT_EQ(0, addrv6_seventh[10]);
EXPECT_EQ(0, addrv6_seventh[11]);
EXPECT_EQ(0, addrv6_seventh[12]);
EXPECT_EQ(0, addrv6_seventh[13]);
EXPECT_EQ(0xDD, addrv6_seventh[14]);
EXPECT_EQ(0xDD, addrv6_seventh[15]);
}