mirror of
https://github.com/jart/cosmopolitan.git
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66 lines
3.2 KiB
C
66 lines
3.2 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/dce.h"
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#include "libc/runtime/runtime.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/testlib/subprocess.h"
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#include "libc/testlib/testlib.h"
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int fds[2];
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char buf[8];
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char testlib_enable_tmp_setup_teardown;
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TEST(execve, elfIsUnreadable_mayBeExecuted) {
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if (IsWindows() || IsXnu()) return;
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testlib_extract("/zip/echo", "echo", 0111);
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ASSERT_SYS(0, 0, pipe2(fds, O_CLOEXEC));
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SPAWN(vfork);
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ASSERT_SYS(0, 1, dup2(4, 1));
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ASSERT_SYS(
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0, 0,
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execve("echo", (char *const[]){"echo", "hi", 0}, (char *const[]){0}));
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notpossible;
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EXITS(0);
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bzero(buf, 8);
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 3, read(3, buf, 7));
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ASSERT_SYS(0, 0, close(3));
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ASSERT_STREQ("hi\n", buf);
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}
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TEST(fexecve, elfIsUnreadable_mayBeExecuted) {
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if (!IsLinux() && !IsFreebsd()) return;
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testlib_extract("/zip/echo", "echo", 0111);
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ASSERT_SYS(0, 0, pipe2(fds, O_CLOEXEC));
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SPAWN(vfork);
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ASSERT_SYS(0, 1, dup2(4, 1));
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ASSERT_SYS(0, 5, open("echo", O_EXEC | O_CLOEXEC));
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if (IsFreebsd()) ASSERT_SYS(0, 1, lseek(5, 1, SEEK_SET));
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ASSERT_SYS(0, 0,
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fexecve(5, (char *const[]){"echo", "hi", 0}, (char *const[]){0}));
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notpossible;
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EXITS(0);
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bzero(buf, 8);
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ASSERT_SYS(0, 0, close(4));
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ASSERT_SYS(0, 3, read(3, buf, 7));
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ASSERT_SYS(0, 0, close(3));
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ASSERT_STREQ("hi\n", buf);
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}
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