os_ptx.c
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- /*
- * Program: Operating-system dependent routines -- PTX version
- *
- * Author: Mark Crispin
- * Networks and Distributed Computing
- * Computing & Communications
- * University of Washington
- * Administration Building, AG-44
- * Seattle, WA 98195
- * Internet: MRC@CAC.Washington.EDU
- *
- * Date: 11 May 1989
- * Last Edited: 2 April 1998
- *
- * Copyright 1998 by the University of Washington
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appears in all copies and that both the
- * above copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the University of Washington not be
- * used in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. This software is made
- * available "as is", and
- * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
- * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
- * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
- * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
- #include "tcp_unix.h" /* must be before osdep includes tcp.h */
- #include "mail.h"
- #include "osdep.h"
- #include <ctype.h>
- #include <stdio.h>
- #include <sys/stat.h>
- #include <sys/time.h>
- #include <sys/tiuser.h>
- #include <sys/stropts.h>
- #include <sys/socket.h>
- #include <sys/poll.h>
- #include <netinet/in.h>
- #include <arpa/inet.h>
- #include <netdb.h>
- #include <errno.h>
- #include <pwd.h>
- #include <shadow.h>
- #include <sys/select.h>
- #include "misc.h"
- extern int sys_nerr;
- extern char *sys_errlist[];
- #define DIR_SIZE(d) d->d_reclen
- #define toint(c) ((c)-'0')
- #define isodigit(c) (((unsigned)(c)>=060)&((unsigned)(c)<=067))
- #include "fs_unix.c"
- #include "ftl_unix.c"
- #include "nl_unix.c"
- #define env_init ENV_INIT
- #include "env_unix.c"
- #undef env_init
- #define getpeername Getpeername
- #define fork vfork
- #include "tcp_unix.c"
- #include "gr_waitp.c"
- #undef flock
- #include "flock.c"
- #include "scandir.c"
- #include "tz_sv4.c"
- #include "utime.c"
- /* Jacket around env_init() to work around PTX inetd braindamage */
- static char may_need_server_init = T;
- long env_init (char *user,char *home)
- {
- if (may_need_server_init) { /* maybe need to do server init cruft? */
- may_need_server_init = NIL; /* not any more we don't */
- if (!getuid ()) { /* if root, we're most likely a server */
- t_sync (0); /* PTX inetd is stupid, stupid, stupid */
- ioctl (0,I_PUSH,"tirdwr");/* it needs this cruft, else servers won't */
- dup2 (0,1); /* work. How obnoxious!!! */
- }
- }
- ENV_INIT (user,home); /* call the real routine */
- }
- /* Emulator for BSD gethostid() call
- * Returns: unique identifier for this machine
- */
- long gethostid (void)
- {
- struct sockaddr_in sin;
- int inet = t_open (TLI_TCP, O_RDWR, 0);
- if (inet < 0) return 0;
- getmyinaddr (inet,&sin,sizeof (sin));
- close (inet);
- return sin.sin_addr.s_addr;
- }
- /* Replaced version of getpeername() that jackets into getpeerinaddr()
- * Accepts: file descriptor
- * pointer to Internet socket addr
- * length
- * Returns: zero if success, data in socket addr
- */
- int Getpeername (int s,struct sockaddr *name,int *namelen)
- {
- return getpeerinaddr (s,(struct sockaddr_in *) name,*namelen);
- }