Polyfill IPv6 on non-Linux

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Justine Tunney 2022-09-08 06:06:22 -07:00
parent b73e35c6fa
commit 0547eabcd6
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10 changed files with 185 additions and 78 deletions

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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi
Copyright 2022 Justine Alexandra Roberts Tunney
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
AUTHOR 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.
*/
#include "libc/calls/calls.h"
#include "libc/sock/sock.h"
#include "libc/sock/struct/sockaddr.h"
#include "libc/sock/struct/sockaddr6.h"
#include "libc/sysv/consts/af.h"
#include "libc/sysv/consts/ipproto.h"
#include "libc/sysv/consts/limits.h"
#include "libc/sysv/consts/sock.h"
#include "libc/testlib/testlib.h"
TEST(ipv4, test) {
int ws, pid;
char buf[16] = {0};
int64_t inoffset;
uint32_t addrsize = sizeof(struct sockaddr_in);
struct sockaddr_in addr = {
.sin_family = AF_INET,
.sin_addr.s_addr = htonl(0x7f000001),
};
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, bind(3, &addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, &addr, &addrsize));
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
ASSERT_NE(-1, (pid = fork()));
if (!pid) {
ASSERT_SYS(0, 4, accept(3, &addr, &addrsize));
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
_Exit(0);
}
EXPECT_SYS(0, 0, close(3));
EXPECT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
EXPECT_SYS(0, 0, connect(3, &addr, sizeof(addr)));
EXPECT_SYS(0, 5, read(3, buf, 16));
EXPECT_STREQ("hello", buf);
EXPECT_SYS(0, 0, close(3));
EXPECT_NE(-1, wait(&ws));
ASSERT_TRUE(WIFEXITED(ws));
ASSERT_EQ(0, WEXITSTATUS(ws));
}
TEST(ipv6, test) {
int ws, pid;
char buf[16] = {0};
int64_t inoffset;
uint32_t addrsize = sizeof(struct sockaddr_in6);
struct sockaddr_in6 addr = {
.sin6_family = AF_INET6,
.sin6_addr.s6_addr[15] = 1,
};
ASSERT_SYS(0, 3, socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, bind(3, &addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, &addr, &addrsize));
ASSERT_EQ(AF_INET6, addr.sin6_family);
ASSERT_NE(0, addr.sin6_port);
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
ASSERT_NE(-1, (pid = fork()));
if (!pid) {
ASSERT_SYS(0, 4, accept(3, &addr, &addrsize));
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
_Exit(0);
}
EXPECT_SYS(0, 0, close(3));
EXPECT_SYS(0, 3, socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP));
EXPECT_SYS(0, 0, connect(3, &addr, sizeof(addr)));
EXPECT_SYS(0, 5, read(3, buf, 16));
EXPECT_STREQ("hello", buf);
EXPECT_SYS(0, 0, close(3));
EXPECT_NE(-1, wait(&ws));
ASSERT_TRUE(WIFEXITED(ws));
ASSERT_EQ(0, WEXITSTATUS(ws));
}