mirror of
https://github.com/jart/cosmopolitan.git
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550b52abf6
- Introduce epoll_pwait() - Rewrite -ftrapv and ffs() libraries in C code - Use more FreeBSD code in math function library - Get significantly more tests passing on qemu-aarch64 - Fix many Musl long double functions that were broken on AARCH64
89 lines
4.2 KiB
C
89 lines
4.2 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 2022 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/calls/struct/stat.h"
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#include "libc/calls/syscall_support-sysv.internal.h"
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#include "libc/dce.h"
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#include "libc/errno.h"
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#include "libc/log/log.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/msghdr.h"
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#include "libc/sock/struct/sockaddr.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/o.h"
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#include "libc/sysv/consts/sock.h"
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#include "libc/testlib/testlib.h"
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#ifdef __x86_64__
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char testlib_enable_tmp_setup_teardown;
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void SetUpOnce(void) {
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if (nointernet() == -1) {
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ASSERT_TRUE(errno == EPERM || // already traced
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errno == ENOSYS); // non-linux or ancient linux
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if (errno == ENOSYS) {
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exit(0);
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}
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}
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}
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TEST(nointernet, testLocalhost_isAllowed) {
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struct sockaddr_in addr = {AF_INET, 0, {htonl(0x7f000001)}};
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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ASSERT_SYS(0, 0, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(ECONNREFUSED, -1,
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connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, close(3));
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}
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TEST(nointernet, testPublicInternet_isDenied) {
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struct sockaddr_in addr = {AF_INET, 0, {htonl(0x06060600)}};
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ASSERT_SYS(EPERM, -1, socket(AF_BLUETOOTH, SOCK_STREAM, IPPROTO_TCP));
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
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ASSERT_SYS(ENOSYS, -1, bind(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(ENOSYS, -1, connect(3, (struct sockaddr *)&addr, sizeof(addr)));
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ASSERT_SYS(0, 0, close(3));
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}
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TEST(nointernet, sendmsgPrivateNetwork_doesntGetBlocked) {
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struct msghdr msg = {
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.msg_name = &(struct sockaddr_in){AF_INET, 31337, {htonl(0x0a000001)}},
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.msg_namelen = sizeof(struct sockaddr_in),
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.msg_iov = &(struct iovec){"hi", 2},
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.msg_iovlen = 1,
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};
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ASSERT_SYS(EBADF, -1, sendmsg(-1, &msg, 0));
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}
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TEST(nointernet, sendmsgPublicNetwork_raisesEnosys_whichPreemptsEbadf) {
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struct msghdr msg = {
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.msg_name = &(struct sockaddr_in){AF_INET, 31337, {htonl(0x06060600)}},
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.msg_namelen = sizeof(struct sockaddr_in),
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.msg_iov = &(struct iovec){"hi", 2},
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.msg_iovlen = 1,
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};
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ASSERT_SYS(ENOSYS, -1, sendmsg(-1, &msg, 0));
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ASSERT_SYS(0, 3, socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP));
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ASSERT_SYS(ENOSYS, -1, sendmsg(3, &msg, 0));
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ASSERT_SYS(0, 0, close(3));
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}
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#endif /* __x86_64__ */
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