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Add script.com and whois.com courtesy of FreeBSD

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Justine Tunney 2022-09-13 20:11:09 -07:00
parent 654ceaba7d
commit 1ad2f530f9
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GPG key ID: BE714B4575D6E328
33 changed files with 1735 additions and 265 deletions
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52
libc/runtime/login_tty.c Normal file
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@ -0,0 +1,52 @@
/*-*- 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/calls/ioctl.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/runtime/runtime.h"
#include "libc/runtime/utmp.h"
#include "libc/sysv/consts/termios.h"
#include "libc/sysv/errfuns.h"
/**
* Prepares terminal for login.
*
* @return 0 on success, or -1 w/ errno
* @raise ENOSYS on Windows and Metal
* @raise EPERM if terminal is already controlling another sid
*/
int login_tty(int fd) {
int rc;
if (IsLinux() || IsBsd()) {
setsid();
if (!sys_ioctl(fd, TIOCSCTTY, 0)) {
for (int i = 0; i < 3; ++i) dup2(fd, i);
if (fd > 2) close(fd);
rc = 0;
} else {
rc = -1;
}
} else {
rc = enosys();
}
STRACE("login_tty(%d) → %d% m", fd, rc);
return rc;
}

2
libc/runtime/runtime.h
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@ -88,12 +88,14 @@ long gethostid(void);
int sethostid(long);
char *getlogin(void);
int getlogin_r(char *, size_t);
int login_tty(int);
int getpagesize(void);
int syncfs(int);
int vhangup(void);
int getdtablesize(void);
int sethostname(const char *, size_t);
int acct(const char *);
void _intsort(int *, size_t);
void _longsort(long *, size_t);
bool _isheap(void *);
int NtGetVersion(void) pureconst;