mirror of
https://github.com/jart/cosmopolitan.git
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0ba3199915
- The functions that return a sockaddr now do so the same way the Linux Kernel does across platforms, e.g. getpeername(), accept4() - Socket system calls on Windows will now only check for interrupts when a blocking operation needs to be performed. - Write tests for recvfrom() system call
94 lines
4.5 KiB
C
94 lines
4.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2023 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/errno.h"
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#include "libc/runtime/runtime.h"
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#include "libc/sock/sock.h"
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#include "libc/sock/struct/sockaddr.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/af.h"
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#include "libc/sysv/consts/ipproto.h"
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#include "libc/sysv/consts/limits.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/testlib/subprocess.h"
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#include "libc/testlib/testlib.h"
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// two clients send a udp packet containing their local address
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// server verifies content of packet matches the peer's address
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TEST(recvfrom, test) {
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int ws, pid;
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int64_t inoffset;
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uint32_t addrsize = sizeof(struct sockaddr_in);
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struct sockaddr_in server = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP));
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&server, sizeof(server)));
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ASSERT_SYS(0, 0, getsockname(3, (struct sockaddr *)&server, &addrsize));
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////////////////////////////////////////////////////////////////////////////////
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SPAWN(fork);
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struct sockaddr_in data, addr;
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ASSERT_SYS(
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0, sizeof(data),
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recvfrom(3, &data, sizeof(data), 0, (struct sockaddr *)&addr, &addrsize));
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ASSERT_EQ(sizeof(data), addrsize);
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ASSERT_EQ(0, memcmp(&data, &addr, addrsize));
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ASSERT_SYS(
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0, sizeof(data),
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recvfrom(3, &data, sizeof(data), 0, (struct sockaddr *)&addr, &addrsize));
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ASSERT_EQ(sizeof(data), addrsize);
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ASSERT_EQ(0, memcmp(&data, &addr, addrsize));
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////////////////////////////////////////////////////////////////////////////////
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PARENT();
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EXPECT_SYS(0, 0, close(3));
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int client1;
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struct sockaddr_in client1_addr = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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ASSERT_NE(-1, (client1 = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)));
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ASSERT_SYS(0, 0, bind(client1, (struct sockaddr *)&client1_addr, addrsize));
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ASSERT_SYS(0, 0,
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getsockname(client1, (struct sockaddr *)&client1_addr, &addrsize));
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int client2;
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struct sockaddr_in client2_addr = {
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.sin_family = AF_INET,
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.sin_addr.s_addr = htonl(0x7f000001),
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};
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ASSERT_NE(-1, (client2 = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)));
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ASSERT_SYS(0, 0, bind(client2, (struct sockaddr *)&client2_addr, addrsize));
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ASSERT_SYS(0, 0,
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getsockname(client2, (struct sockaddr *)&client2_addr, &addrsize));
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ASSERT_SYS(0, addrsize,
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sendto(client1, (struct sockaddr *)&client1_addr, addrsize, 0,
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(struct sockaddr *)&server, addrsize));
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ASSERT_SYS(0, addrsize,
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sendto(client2, (struct sockaddr *)&client2_addr, addrsize, 0,
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(struct sockaddr *)&server, addrsize));
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EXPECT_SYS(0, 0, close(client2));
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EXPECT_SYS(0, 0, close(client1));
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WAIT(exit, 0);
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}
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