cosmopolitan/test/libc/sock/getpeername_test.c

154 lines
7.1 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2024 Gavin Arthur Hayes │
│ │
│ 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/dce.h"
#include "libc/sock/sock.h"
#include "libc/sock/struct/sockaddr.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/subprocess.h"
#include "libc/testlib/testlib.h"
TEST(getpeername, worksAfterAcceptingOnFork) {
// https://github.com/jart/cosmopolitan/issues/1174
if (IsWindows()) {
return;
}
char buf[16] = {0};
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, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
SPAWN(fork);
ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
struct sockaddr_storage out = {0};
uint32_t out_size = sizeof(out);
ASSERT_SYS(0, 0, getpeername(4, (struct sockaddr *)&out, &out_size));
EXPECT_GE(sizeof(struct sockaddr_in), out_size);
EXPECT_EQ(AF_INET, ((struct sockaddr_in *)&out)->sin_family);
EXPECT_EQ(htonl(0x7f000001), ((struct sockaddr_in *)&out)->sin_addr.s_addr);
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
PARENT();
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 5, read(3, buf, 16));
ASSERT_STREQ("hello", buf);
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}
TEST(getpeername, worksAfterAcceptingOnParent) {
char buf[16] = {0};
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, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
SPAWN(fork);
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 5, read(3, buf, 16));
ASSERT_STREQ("hello", buf);
PARENT();
ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
struct sockaddr_storage out = {0};
uint32_t out_size = sizeof(out);
ASSERT_SYS(0, 0, getpeername(4, (struct sockaddr *)&out, &out_size));
EXPECT_GE(sizeof(struct sockaddr_in), out_size);
EXPECT_EQ(AF_INET, ((struct sockaddr_in *)&out)->sin_family);
EXPECT_EQ(htonl(0x7f000001), ((struct sockaddr_in *)&out)->sin_addr.s_addr);
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}
TEST(getpeername, worksAfterConnectingOnFork) {
char buf[16] = {0};
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, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
ASSERT_SYS(0, 4, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
SPAWN(fork);
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 0, connect(4, (struct sockaddr *)&addr, sizeof(addr)));
struct sockaddr_storage out = {0};
uint32_t out_size = sizeof(out);
ASSERT_SYS(0, 0, getpeername(4, (struct sockaddr *)&out, &out_size));
EXPECT_GE(sizeof(struct sockaddr_in), out_size);
EXPECT_EQ(AF_INET, ((struct sockaddr_in *)&out)->sin_family);
EXPECT_EQ(htonl(0x7f000001), ((struct sockaddr_in *)&out)->sin_addr.s_addr);
ASSERT_SYS(0, 5, send(4, "hello", 5, 0));
PARENT();
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 5, read(4, buf, 16));
ASSERT_STREQ("hello", buf);
ASSERT_SYS(0, 0, close(4));
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}
TEST(getpeername, worksAfterConnectingOnParent) {
char buf[16] = {0};
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, (struct sockaddr *)&addr, sizeof(addr)));
ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 0, listen(3, SOMAXCONN));
SPAWN(fork);
ASSERT_SYS(0, 4, accept(3, (struct sockaddr *)&addr, &addrsize));
ASSERT_SYS(0, 5, read(4, buf, 16));
ASSERT_STREQ("hello", buf);
PARENT();
ASSERT_SYS(0, 0, close(3));
ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
ASSERT_SYS(0, 0, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
struct sockaddr_storage out = {0};
uint32_t out_size = sizeof(out);
ASSERT_SYS(0, 0, getpeername(3, (struct sockaddr *)&out, &out_size));
EXPECT_GE(sizeof(struct sockaddr_in), out_size);
EXPECT_EQ(AF_INET, ((struct sockaddr_in *)&out)->sin_family);
EXPECT_EQ(htonl(0x7f000001), ((struct sockaddr_in *)&out)->sin_addr.s_addr);
ASSERT_SYS(0, 5, send(3, "hello", 5, 0));
ASSERT_SYS(0, 0, close(3));
WAIT(exit, 0);
}