1604 lines
33 KiB
C
1604 lines
33 KiB
C
/* tstuu.c
|
||
Test the uucp package on a UNIX system.
|
||
|
||
Copyright (C) 1991, 1992, 1993, 1994, 1995 Ian Lance Taylor
|
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|
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This file is part of the Taylor UUCP package.
|
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|
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This program is free software; you can redistribute it and/or
|
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modify it under the terms of the GNU General Public License as
|
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published by the Free Software Foundation; either version 2 of the
|
||
License, or (at your option) any later version.
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||
|
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This program is distributed in the hope that it will be useful, but
|
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WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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General Public License for more details.
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You should have received a copy of the GNU General Public License
|
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along with this program; if not, write to the Free Software
|
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The author of the program may be contacted at ian@airs.com or
|
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c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
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*/
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#include "uucp.h"
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#if USE_RCS_ID
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const char tstuu_rcsid[] = "$Id: tstuu.c,v 1.4 1995/08/24 05:18:42 jtc Exp $";
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#endif
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#include "sysdep.h"
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#include "system.h"
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#include "getopt.h"
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#include <stdio.h>
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#include <ctype.h>
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#include <errno.h>
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#if HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#if HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#if HAVE_SELECT
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#if HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#endif
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#if HAVE_POLL
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#if HAVE_STROPTS_H
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#include <stropts.h>
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#endif
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#if HAVE_POLL_H
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#include <poll.h>
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#endif
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#endif
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#if HAVE_FCNTL_H
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#include <fcntl.h>
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#else
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#if HAVE_SYS_FILE_H
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#include <sys/file.h>
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#endif
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#endif
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#ifndef O_RDONLY
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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#endif
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#if HAVE_TIME_H
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#if ! HAVE_SYS_TIME_H || ! HAVE_SELECT || TIME_WITH_SYS_TIME
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#include <time.h>
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#endif
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#endif
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#if HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#if HAVE_UNION_WAIT
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typedef union wait wait_status;
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#else
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typedef int wait_status;
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#endif
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#if HAVE_STREAMS_PTYS
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#include <termio.h>
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extern char *ptsname ();
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#endif
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/* Get definitions for both O_NONBLOCK and O_NDELAY. */
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#ifndef O_NDELAY
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#ifdef FNDELAY
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#define O_NDELAY FNDELAY
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#else /* ! defined (FNDELAY) */
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#define O_NDELAY 0
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#endif /* ! defined (FNDELAY) */
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#endif /* ! defined (O_NDELAY) */
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#ifndef O_NONBLOCK
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#ifdef FNBLOCK
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#define O_NONBLOCK FNBLOCK
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#else /* ! defined (FNBLOCK) */
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#define O_NONBLOCK 0
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#endif /* ! defined (FNBLOCK) */
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#endif /* ! defined (O_NONBLOCK) */
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#if O_NDELAY == 0 && O_NONBLOCK == 0
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#error No way to do nonblocking I/O
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#endif
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/* Get definitions for EAGAIN, EWOULDBLOCK and ENODATA. */
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#ifndef EAGAIN
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#ifndef EWOULDBLOCK
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#define EAGAIN (-1)
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#define EWOULDBLOCK (-1)
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#else /* defined (EWOULDBLOCK) */
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#define EAGAIN EWOULDBLOCK
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#endif /* defined (EWOULDBLOCK) */
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#else /* defined (EAGAIN) */
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#ifndef EWOULDBLOCK
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#define EWOULDBLOCK EAGAIN
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#endif /* ! defined (EWOULDBLOCK) */
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#endif /* defined (EAGAIN) */
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#ifndef ENODATA
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#define ENODATA EAGAIN
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#endif
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/* Make sure we have a CLK_TCK definition, even if it makes no sense.
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This is in case TIMES_TICK is defined as CLK_TCK. */
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#ifndef CLK_TCK
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#define CLK_TCK (60)
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#endif
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/* Don't try too hard to get a TIMES_TICK value; it doesn't matter
|
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that much. */
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#if TIMES_TICK == 0
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#undef TIMES_TICK
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#define TIMES_TICK CLK_TCK
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#endif
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#if TIMES_DECLARATION_OK
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extern long times ();
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#endif
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#ifndef SIGCHLD
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#define SIGCHLD SIGCLD
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#endif
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#if 1
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#define ZUUCICO_CMD "login uucp"
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#define UUCICO_EXECL "/bin/login", "login", "uucp"
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#else
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#define ZUUCICO_CMD "su - nuucp"
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#define UUCICO_EXECL "/bin/su", "su", "-", "nuucp"
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#endif
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#if ! HAVE_SELECT && ! HAVE_POLL
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#error You need select or poll
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#endif
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||
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#if ! HAVE_REMOVE
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#undef remove
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#define remove unlink
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#endif
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/* Buffer chain to hold data read from a uucico. */
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#define BUFCHARS (512)
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struct sbuf
|
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{
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struct sbuf *qnext;
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int cstart;
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int cend;
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char ab[BUFCHARS];
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};
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/* Local functions. */
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static void umake_file P((const char *zfile, int cextra));
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static void uprepare_test P((boolean fmake, int itest,
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boolean fcall_uucico,
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const char *zsys));
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static void ucheck_file P((const char *zfile, const char *zerr,
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int cextra));
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static void ucheck_test P((int itest, boolean fcall_uucico));
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static RETSIGTYPE uchild P((int isig));
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static int cpshow P((char *z, int bchar));
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static void uchoose P((int *po1, int *po2));
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static long cread P((int o, struct sbuf **));
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static boolean fsend P((int o, int oslave, struct sbuf **));
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static boolean fwritable P((int o));
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static void xsystem P((const char *zcmd));
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static FILE *xfopen P((const char *zname, const char *zmode));
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static char *zDebug;
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static int iTest;
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static boolean fCall_uucico;
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static int iPercent;
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static pid_t iPid1, iPid2;
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static int cFrom1, cFrom2;
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static char abLogout1[sizeof "tstout /dev/ptyp0"];
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static char abLogout2[sizeof "tstout /dev/ptyp0"];
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static char *zProtocols;
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int
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main (argc, argv)
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int argc;
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char **argv;
|
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{
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int iopt;
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const char *zcmd1, *zcmd2;
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const char *zsys;
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boolean fmake = TRUE;
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int omaster1, oslave1, omaster2, oslave2;
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char abpty1[sizeof "/dev/ptyp0"];
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char abpty2[sizeof "/dev/ptyp0"];
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struct sbuf *qbuf1, *qbuf2;
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#if ! HAVE_TAYLOR_CONFIG
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fprintf (stderr, "%s: only works when compiled with HAVE_TAYLOR_CONFIG\n",
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argv[0]);
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exit (1);
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#endif
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zcmd1 = NULL;
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zcmd2 = NULL;
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zsys = "test2";
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while ((iopt = getopt (argc, argv, "c:np:s:t:ux:1:2:")) != EOF)
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{
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switch (iopt)
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{
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case 'c':
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zProtocols = optarg;
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break;
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case 'n':
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fmake = FALSE;
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break;
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case 'p':
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iPercent = (int) strtol (optarg, (char **) NULL, 10);
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srand ((unsigned int) ixsysdep_time ((long *) NULL));
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break;
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case 's':
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zsys = optarg;
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break;
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case 't':
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iTest = (int) strtol (optarg, (char **) NULL, 10);
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break;
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case 'u':
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fCall_uucico = TRUE;
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break;
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case 'x':
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zDebug = optarg;
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break;
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case '1':
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zcmd1 = optarg;
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break;
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case '2':
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zcmd2 = optarg;
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break;
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default:
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fprintf (stderr,
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"Taylor UUCP %s, copyright (C) 1991, 92, 93, 94, 1995 Ian Lance Taylor\n",
|
||
VERSION);
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fprintf (stderr,
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"Usage: tstuu [-xn] [-t #] [-u] [-1 cmd] [-2 cmd]\n");
|
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exit (EXIT_FAILURE);
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}
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}
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if (fCall_uucico && zcmd2 == NULL)
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zcmd2 = ZUUCICO_CMD;
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uprepare_test (fmake, iTest, fCall_uucico, zsys);
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(void) remove ("/usr/tmp/tstuu/spool1/core");
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(void) remove ("/usr/tmp/tstuu/spool2/core");
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omaster1 = -1;
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oslave1 = -1;
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omaster2 = -1;
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oslave2 = -1;
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#if ! HAVE_STREAMS_PTYS
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{
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char *zptyname;
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const char *zpty;
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zptyname = abpty1;
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for (zpty = "pqrs"; *zpty != '\0'; ++zpty)
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{
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int ipty;
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for (ipty = 0; ipty < 16; ipty++)
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{
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int om, os;
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FILE *e;
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sprintf (zptyname, "/dev/pty%c%c", *zpty,
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"0123456789abcdef"[ipty]);
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om = open (zptyname, O_RDWR);
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if (om < 0)
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continue;
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zptyname[5] = 't';
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os = open (zptyname, O_RDWR);
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if (os < 0)
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{
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(void) close (om);
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continue;
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}
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if (omaster1 == -1)
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{
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omaster1 = om;
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oslave1 = os;
|
||
|
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e = fopen ("/usr/tmp/tstuu/pty1", "w");
|
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if (e == NULL)
|
||
{
|
||
perror ("fopen");
|
||
exit (EXIT_FAILURE);
|
||
}
|
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fprintf (e, "%s", zptyname + 5);
|
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if (fclose (e) != 0)
|
||
{
|
||
perror ("fclose");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
zptyname = abpty2;
|
||
}
|
||
else
|
||
{
|
||
omaster2 = om;
|
||
oslave2 = os;
|
||
|
||
e = fopen ("/usr/tmp/tstuu/pty2", "w");
|
||
if (e == NULL)
|
||
{
|
||
perror ("fopen");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
fprintf (e, "%s", zptyname + 5);
|
||
if (fclose (e) != 0)
|
||
{
|
||
perror ("fclose");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (omaster1 != -1 && omaster2 != -1)
|
||
break;
|
||
}
|
||
}
|
||
|
||
#else /* HAVE_STREAMS_PTYS */
|
||
|
||
{
|
||
int ipty;
|
||
|
||
for (ipty = 0; ipty < 2; ipty++)
|
||
{
|
||
int om, os;
|
||
FILE *e;
|
||
char *znam;
|
||
struct termio stio;
|
||
|
||
om = open ((char *) "/dev/ptmx", O_RDWR);
|
||
if (om < 0)
|
||
break;
|
||
znam = ptsname (om);
|
||
if (znam == NULL)
|
||
break;
|
||
if (unlockpt (om) != 0
|
||
|| grantpt (om) != 0)
|
||
break;
|
||
|
||
os = open (znam, O_RDWR);
|
||
if (os < 0)
|
||
{
|
||
(void) close (om);
|
||
om = -1;
|
||
break;
|
||
}
|
||
|
||
if (ioctl (os, I_PUSH, "ptem") < 0
|
||
|| ioctl(os, I_PUSH, "ldterm") < 0)
|
||
{
|
||
perror ("ioctl");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
/* Can this really be right? */
|
||
memset (&stio, 0, sizeof (stio));
|
||
stio.c_cflag = B9600 | CS8 | CREAD | HUPCL;
|
||
|
||
if (ioctl(os, TCSETA, &stio) < 0)
|
||
{
|
||
perror ("TCSETA");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
if (omaster1 == -1)
|
||
{
|
||
strcpy (abpty1, znam);
|
||
omaster1 = om;
|
||
oslave1 = os;
|
||
e = fopen ("/usr/tmp/tstuu/pty1", "w");
|
||
if (e == NULL)
|
||
{
|
||
perror ("fopen");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
fprintf (e, "%s", znam + 5);
|
||
if (fclose (e) != 0)
|
||
{
|
||
perror ("fclose");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
strcpy (abpty2, znam);
|
||
omaster2 = om;
|
||
oslave2 = os;
|
||
e = fopen ("/usr/tmp/tstuu/pty2", "w");
|
||
if (e == NULL)
|
||
{
|
||
perror ("fopen");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
fprintf (e, "%s", znam + 5);
|
||
if (fclose (e) != 0)
|
||
{
|
||
perror ("fclose");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
#endif /* HAVE_STREAMS_PTYS */
|
||
|
||
if (omaster2 == -1)
|
||
{
|
||
fprintf (stderr, "No pseudo-terminals available\n");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
/* Make sure we can or these into an int for the select call. Most
|
||
systems could use 31 instead of 15, but it should never be a
|
||
problem. */
|
||
if (omaster1 > 15 || omaster2 > 15)
|
||
{
|
||
fprintf (stderr, "File descriptors are too large\n");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
/* Prepare to log out the command if it is a login command. On
|
||
Ultrix 4.0 uucico can only be run from login for some reason. */
|
||
|
||
if (zcmd1 == NULL
|
||
|| strncmp (zcmd1, "login", sizeof "login" - 1) != 0)
|
||
abLogout1[0] = '\0';
|
||
else
|
||
sprintf (abLogout1, "tstout %s", abpty1);
|
||
|
||
if (zcmd2 == NULL
|
||
|| strncmp (zcmd2, "login", sizeof "login" - 1) != 0)
|
||
abLogout2[0] = '\0';
|
||
else
|
||
sprintf (abLogout2, "tstout %s", abpty2);
|
||
|
||
iPid1 = fork ();
|
||
if (iPid1 < 0)
|
||
{
|
||
perror ("fork");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
else if (iPid1 == 0)
|
||
{
|
||
if (close (0) < 0
|
||
|| close (1) < 0
|
||
|| close (omaster1) < 0
|
||
|| close (omaster2) < 0
|
||
|| close (oslave2) < 0)
|
||
perror ("close");
|
||
|
||
if (dup2 (oslave1, 0) < 0
|
||
|| dup2 (oslave1, 1) < 0)
|
||
perror ("dup2");
|
||
|
||
if (close (oslave1) < 0)
|
||
perror ("close");
|
||
|
||
/* This is said to improve the tests on Linux. */
|
||
sleep (3);
|
||
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "About to exec first process\n");
|
||
|
||
if (zcmd1 != NULL)
|
||
exit (system ((char *) zcmd1));
|
||
else
|
||
{
|
||
(void) execl ("uucico", "uucico", "-I", "/usr/tmp/tstuu/Config1",
|
||
"-q", "-S", zsys, "-pstdin", (const char *) NULL);
|
||
perror ("execl failed");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|
||
|
||
iPid2 = fork ();
|
||
if (iPid2 < 0)
|
||
{
|
||
perror ("fork");
|
||
kill (iPid1, SIGTERM);
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
else if (iPid2 == 0)
|
||
{
|
||
if (close (0) < 0
|
||
|| close (1) < 0
|
||
|| close (omaster1) < 0
|
||
|| close (oslave1) < 0
|
||
|| close (omaster2) < 0)
|
||
perror ("close");
|
||
|
||
if (dup2 (oslave2, 0) < 0
|
||
|| dup2 (oslave2, 1) < 0)
|
||
perror ("dup2");
|
||
|
||
if (close (oslave2) < 0)
|
||
perror ("close");
|
||
|
||
/* This is said to improve the tests on Linux. */
|
||
sleep (5);
|
||
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "About to exec second process\n");
|
||
|
||
if (fCall_uucico)
|
||
{
|
||
(void) execl (UUCICO_EXECL, (const char *) NULL);
|
||
perror ("execl failed");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
else if (zcmd2 != NULL)
|
||
exit (system ((char *) zcmd2));
|
||
else
|
||
{
|
||
(void) execl ("uucico", "uucico", "-I", "/usr/tmp/tstuu/Config2",
|
||
"-lq", (const char *)NULL);
|
||
perror ("execl failed");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|
||
|
||
signal (SIGCHLD, uchild);
|
||
|
||
if (fcntl (omaster1, F_SETFL, O_NDELAY | O_NONBLOCK) < 0
|
||
&& errno == EINVAL)
|
||
(void) fcntl (omaster1, F_SETFL, O_NONBLOCK);
|
||
if (fcntl (omaster2, F_SETFL, O_NDELAY | O_NONBLOCK) < 0
|
||
&& errno == EINVAL)
|
||
(void) fcntl (omaster2, F_SETFL, O_NONBLOCK);
|
||
|
||
qbuf1 = NULL;
|
||
qbuf2 = NULL;
|
||
|
||
while (TRUE)
|
||
{
|
||
int o1, o2;
|
||
boolean fcont;
|
||
|
||
o1 = omaster1;
|
||
o2 = omaster2;
|
||
uchoose (&o1, &o2);
|
||
|
||
if (o1 == -1 && o2 == -1)
|
||
{
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "Five second pause\n");
|
||
continue;
|
||
}
|
||
|
||
if (o1 != -1)
|
||
cFrom1 += cread (omaster1, &qbuf1);
|
||
|
||
if (o2 != -1)
|
||
cFrom2 += cread (omaster2, &qbuf2);
|
||
|
||
do
|
||
{
|
||
fcont = FALSE;
|
||
|
||
if (qbuf1 != NULL
|
||
&& fwritable (omaster2)
|
||
&& fsend (omaster2, oslave2, &qbuf1))
|
||
fcont = TRUE;
|
||
|
||
if (qbuf2 != NULL
|
||
&& fwritable (omaster1)
|
||
&& fsend (omaster1, oslave1, &qbuf2))
|
||
fcont = TRUE;
|
||
|
||
if (! fcont
|
||
&& (qbuf1 != NULL || qbuf2 != NULL))
|
||
{
|
||
long cgot1, cgot2;
|
||
|
||
cgot1 = cread (omaster1, &qbuf1);
|
||
cFrom1 += cgot1;
|
||
cgot2 = cread (omaster2, &qbuf2);
|
||
cFrom2 += cgot2;
|
||
fcont = TRUE;
|
||
}
|
||
}
|
||
while (fcont);
|
||
}
|
||
|
||
/*NOTREACHED*/
|
||
}
|
||
|
||
/* When a child dies, kill them both. */
|
||
|
||
static RETSIGTYPE
|
||
uchild (isig)
|
||
int isig;
|
||
{
|
||
struct tms sbase, s1, s2;
|
||
|
||
signal (SIGCHLD, SIG_DFL);
|
||
|
||
/* Give the processes a chance to die on their own. */
|
||
sleep (2);
|
||
|
||
(void) kill (iPid1, SIGTERM);
|
||
(void) kill (iPid2, SIGTERM);
|
||
|
||
(void) times (&sbase);
|
||
|
||
#if HAVE_WAITPID
|
||
(void) waitpid (iPid1, (pointer) NULL, 0);
|
||
#else /* ! HAVE_WAITPID */
|
||
#if HAVE_WAIT4
|
||
(void) wait4 (iPid1, (pointer) NULL, 0, (struct rusage *) NULL);
|
||
#else /* ! HAVE_WAIT4 */
|
||
(void) wait ((wait_status *) NULL);
|
||
#endif /* ! HAVE_WAIT4 */
|
||
#endif /* ! HAVE_WAITPID */
|
||
|
||
(void) times (&s1);
|
||
|
||
#if HAVE_WAITPID
|
||
(void) waitpid (iPid2, (pointer) NULL, 0);
|
||
#else /* ! HAVE_WAITPID */
|
||
#if HAVE_WAIT4
|
||
(void) wait4 (iPid2, (wait_status *) NULL, 0, (struct rusage *) NULL);
|
||
#else /* ! HAVE_WAIT4 */
|
||
(void) wait ((wait_status *) NULL);
|
||
#endif /* ! HAVE_WAIT4 */
|
||
#endif /* ! HAVE_WAITPID */
|
||
|
||
(void) times (&s2);
|
||
|
||
fprintf (stderr,
|
||
" First child: user: %g; system: %g\n",
|
||
(double) (s1.tms_cutime - sbase.tms_cutime) / (double) TIMES_TICK,
|
||
(double) (s1.tms_cstime - sbase.tms_cstime) / (double) TIMES_TICK);
|
||
fprintf (stderr,
|
||
"Second child: user: %g; system: %g\n",
|
||
(double) (s2.tms_cutime - s1.tms_cutime) / (double) TIMES_TICK,
|
||
(double) (s2.tms_cstime - s1.tms_cstime) / (double) TIMES_TICK);
|
||
|
||
ucheck_test (iTest, fCall_uucico);
|
||
|
||
if (abLogout1[0] != '\0')
|
||
{
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "Executing %s\n", abLogout1);
|
||
(void) system (abLogout1);
|
||
}
|
||
if (abLogout2[0] != '\0')
|
||
{
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "Executing %s\n", abLogout2);
|
||
(void) system (abLogout2);
|
||
}
|
||
|
||
fprintf (stderr, "Wrote %d bytes from 1 to 2\n", cFrom1);
|
||
fprintf (stderr, "Wrote %d bytes from 2 to 1\n", cFrom2);
|
||
|
||
if (access ("/usr/tmp/tstuu/spool1/core", R_OK) == 0)
|
||
fprintf (stderr, "core file 1 exists\n");
|
||
if (access ("/usr/tmp/tstuu/spool2/core", R_OK) == 0)
|
||
fprintf (stderr, "core file 2 exists\n");
|
||
|
||
exit (EXIT_SUCCESS);
|
||
}
|
||
|
||
/* Open a file without error. */
|
||
|
||
static FILE *
|
||
xfopen (zname, zmode)
|
||
const char *zname;
|
||
const char *zmode;
|
||
{
|
||
FILE *eret;
|
||
|
||
eret = fopen (zname, zmode);
|
||
if (eret == NULL)
|
||
{
|
||
perror (zname);
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
return eret;
|
||
}
|
||
|
||
/* Close a file without error. */
|
||
|
||
static void xfclose P((FILE *e));
|
||
|
||
static void
|
||
xfclose (e)
|
||
FILE *e;
|
||
{
|
||
if (fclose (e) != 0)
|
||
{
|
||
perror ("fclose");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|
||
|
||
/* Create a test file. */
|
||
|
||
static void
|
||
umake_file (z, c)
|
||
const char *z;
|
||
int c;
|
||
{
|
||
int i;
|
||
FILE *e;
|
||
|
||
e = xfopen (z, "w");
|
||
|
||
for (i = 0; i < 256; i++)
|
||
{
|
||
int i2;
|
||
|
||
for (i2 = 0; i2 < 256; i2++)
|
||
putc (i, e);
|
||
}
|
||
|
||
for (i = 0; i < c; i++)
|
||
putc (i, e);
|
||
|
||
xfclose (e);
|
||
}
|
||
|
||
/* Check a test file. */
|
||
|
||
static void
|
||
ucheck_file (z, zerr, c)
|
||
const char *z;
|
||
const char *zerr;
|
||
int c;
|
||
{
|
||
int i;
|
||
FILE *e;
|
||
|
||
e = xfopen (z, "r");
|
||
|
||
for (i = 0; i < 256; i++)
|
||
{
|
||
int i2;
|
||
|
||
for (i2 = 0; i2 < 256; i2++)
|
||
{
|
||
int bread;
|
||
|
||
bread = getc (e);
|
||
if (bread == EOF)
|
||
{
|
||
fprintf (stderr,
|
||
"%s: Unexpected EOF at position %d,%d\n",
|
||
zerr, i, i2);
|
||
xfclose (e);
|
||
return;
|
||
}
|
||
if (bread != i)
|
||
fprintf (stderr,
|
||
"%s: At position %d,%d got %d expected %d\n",
|
||
zerr, i, i2, bread, i);
|
||
}
|
||
}
|
||
|
||
for (i = 0; i < c; i++)
|
||
{
|
||
int bread;
|
||
|
||
bread = getc (e);
|
||
if (bread == EOF)
|
||
{
|
||
fprintf (stderr, "%s: Unexpected EOF at extra %d\n", zerr, i);
|
||
xfclose (e);
|
||
return;
|
||
}
|
||
if (bread != i)
|
||
fprintf (stderr, "%s: At extra %d got %d expected %d\n",
|
||
zerr, i, bread, i);
|
||
}
|
||
|
||
if (getc (e) != EOF)
|
||
fprintf (stderr, "%s: File is too long", zerr);
|
||
|
||
xfclose (e);
|
||
}
|
||
|
||
/* Prepare all the configuration files for testing. */
|
||
|
||
static void
|
||
uprepare_test (fmake, itest, fcall_uucico, zsys)
|
||
boolean fmake;
|
||
int itest;
|
||
boolean fcall_uucico;
|
||
const char *zsys;
|
||
{
|
||
FILE *e;
|
||
const char *zuucp1, *zuucp2;
|
||
const char *zuux1, *zuux2;
|
||
char ab[1000];
|
||
const char *zfrom;
|
||
const char *zto;
|
||
|
||
/* We must make /usr/tmp/tstuu world writeable or we won't be able to
|
||
receive files into it. */
|
||
(void) umask (0);
|
||
|
||
#ifndef S_IWOTH
|
||
#define S_IWOTH 02
|
||
#endif
|
||
|
||
if (mkdir ((char *) "/usr/tmp/tstuu",
|
||
IPUBLIC_DIRECTORY_MODE | S_IWOTH) != 0
|
||
&& errno != EEXIST)
|
||
{
|
||
perror ("mkdir");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
if (mkdir ((char *) "/usr/tmp/tstuu/spool1", IPUBLIC_DIRECTORY_MODE) != 0
|
||
&& errno != EEXIST)
|
||
{
|
||
perror ("mkdir");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
if (mkdir ((char *) "/usr/tmp/tstuu/spool2", IPUBLIC_DIRECTORY_MODE) != 0
|
||
&& errno != EEXIST)
|
||
{
|
||
perror ("mkdir");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
if (fmake)
|
||
{
|
||
e = xfopen ("/usr/tmp/tstuu/Config1", "w");
|
||
|
||
fprintf (e, "# First test configuration file\n");
|
||
fprintf (e, "nodename test1\n");
|
||
fprintf (e, "spool /usr/tmp/tstuu/spool1\n");
|
||
fprintf (e, "lockdir /usr/tmp/tstuu/spool1\n");
|
||
fprintf (e, "sysfile /usr/tmp/tstuu/System1\n");
|
||
fprintf (e, "sysfile /usr/tmp/tstuu/System1.2\n");
|
||
fprintf (e, "portfile /usr/tmp/tstuu/Port1\n");
|
||
(void) remove ("/usr/tmp/tstuu/Log1");
|
||
#if ! HAVE_HDB_LOGGING
|
||
fprintf (e, "logfile /usr/tmp/tstuu/Log1\n");
|
||
#else
|
||
fprintf (e, "%s\n", "logfile /usr/tmp/tstuu/Log1/%s/%s");
|
||
#endif
|
||
fprintf (e, "statfile /usr/tmp/tstuu/Stats1\n");
|
||
fprintf (e, "debugfile /usr/tmp/tstuu/Debug1\n");
|
||
fprintf (e, "callfile /usr/tmp/tstuu/Call1\n");
|
||
fprintf (e, "pubdir /usr/tmp/tstuu\n");
|
||
#if HAVE_V2_CONFIG
|
||
fprintf (e, "v2-files no\n");
|
||
#endif
|
||
#if HAVE_HDB_CONFIG
|
||
fprintf (e, "hdb-files no\n");
|
||
#endif
|
||
if (zDebug != NULL)
|
||
fprintf (e, "debug %s\n", zDebug);
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/System1", "w");
|
||
|
||
fprintf (e, "# This file is ignored, to test multiple system files\n");
|
||
fprintf (e, "time never\n");
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/System1.2", "w");
|
||
|
||
fprintf (e, "# First test system file\n");
|
||
fprintf (e, "time any\n");
|
||
fprintf (e, "port stdin\n");
|
||
fprintf (e, "# That was the defaults\n");
|
||
fprintf (e, "system %s\n", zsys);
|
||
if (! fcall_uucico)
|
||
{
|
||
FILE *eprog;
|
||
|
||
eprog = xfopen ("/usr/tmp/tstuu/Chat1", "w");
|
||
|
||
/* Wait for the other side to open the port and flush input. */
|
||
fprintf (eprog, "sleep 2\n");
|
||
fprintf (eprog,
|
||
"echo password $1 speed $2 1>&2\n");
|
||
fprintf (eprog, "echo test1\n");
|
||
fprintf (eprog, "exit 0\n");
|
||
|
||
xfclose (eprog);
|
||
|
||
if (chmod ("/usr/tmp/tstuu/Chat1",
|
||
S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0)
|
||
{
|
||
perror ("chmod (/usr/tmp/tstuu/Chat1)");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
fprintf (e, "chat-program /usr/tmp/tstuu/Chat1 \\P \\S\n");
|
||
|
||
fprintf (e, "chat word: \\P\n");
|
||
fprintf (e, "chat-fail login;\n");
|
||
fprintf (e, "call-login *\n");
|
||
fprintf (e, "call-password *\n");
|
||
}
|
||
else
|
||
fprintf (e, "chat \"\"\n");
|
||
fprintf (e, "call-transfer yes\n");
|
||
fprintf (e, "commands cat\n");
|
||
if (! fcall_uucico && iPercent == 0)
|
||
{
|
||
fprintf (e, "protocol-parameter g window 7\n");
|
||
fprintf (e, "protocol-parameter g packet-size 4096\n");
|
||
fprintf (e, "protocol-parameter j avoid \\377\n");
|
||
}
|
||
if (zProtocols != NULL)
|
||
fprintf (e, "protocol %s\n", zProtocols);
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/Port1", "w");
|
||
|
||
fprintf (e, "port stdin\n");
|
||
fprintf (e, "type stdin\n");
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/Call1", "w");
|
||
|
||
fprintf (e, "Call out password file\n");
|
||
fprintf (e, "%s test1 pass\\s1\n", zsys);
|
||
|
||
xfclose (e);
|
||
|
||
if (! fcall_uucico)
|
||
{
|
||
FILE *eprog;
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/Config2", "w");
|
||
|
||
fprintf (e, "# Second test configuration file\n");
|
||
fprintf (e, "nodename test2\n");
|
||
fprintf (e, "spool /usr/tmp/tstuu/spool2\n");
|
||
fprintf (e, "lockdir /usr/tmp/tstuu/spool2\n");
|
||
fprintf (e, "sysfile /usr/tmp/tstuu/System2\n");
|
||
(void) remove ("/usr/tmp/tstuu/Log2");
|
||
#if ! HAVE_HDB_LOGGING
|
||
fprintf (e, "logfile /usr/tmp/tstuu/Log2\n");
|
||
#else
|
||
fprintf (e, "%s\n", "logfile /usr/tmp/tstuu/Log2/%s/%s");
|
||
#endif
|
||
fprintf (e, "statfile /usr/tmp/tstuu/Stats2\n");
|
||
fprintf (e, "debugfile /usr/tmp/tstuu/Debug2\n");
|
||
fprintf (e, "passwdfile /usr/tmp/tstuu/Pass2\n");
|
||
fprintf (e, "pubdir /usr/tmp/tstuu\n");
|
||
#if HAVE_V2_CONFIG
|
||
fprintf (e, "v2-files no\n");
|
||
#endif
|
||
#if HAVE_HDB_CONFIG
|
||
fprintf (e, "hdb-files no\n");
|
||
#endif
|
||
if (zDebug != NULL)
|
||
fprintf (e, "debug %s\n", zDebug);
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/System2", "w");
|
||
|
||
fprintf (e, "# Second test system file\n");
|
||
fprintf (e, "system test1\n");
|
||
fprintf (e, "called-login test1\n");
|
||
fprintf (e, "request true\n");
|
||
fprintf (e, "commands cat\n");
|
||
if (zProtocols != NULL)
|
||
fprintf (e, "protocol %s\n", zProtocols);
|
||
|
||
eprog = xfopen ("/usr/tmp/tstuu/Chat2", "w");
|
||
|
||
fprintf (eprog,
|
||
"echo port $1 1>&2\n");
|
||
fprintf (eprog, "exit 0\n");
|
||
|
||
xfclose (eprog);
|
||
|
||
if (chmod ("/usr/tmp/tstuu/Chat2",
|
||
S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) < 0)
|
||
{
|
||
perror ("chmod (/usr/tmp/tstuu/Chat2");
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
fprintf (e, "called-chat-program /bin/sh /usr/tmp/tstuu/Chat2 \\Y\n");
|
||
fprintf (e, "time any\n");
|
||
|
||
xfclose (e);
|
||
|
||
e = xfopen ("/usr/tmp/tstuu/Pass2", "w");
|
||
|
||
fprintf (e, "# Call in password file\n");
|
||
fprintf (e, "test1 pass\\s1\n");
|
||
|
||
xfclose (e);
|
||
}
|
||
}
|
||
|
||
zuucp1 = "./uucp -I /usr/tmp/tstuu/Config1 -r";
|
||
zuux1 = "./uux -I /usr/tmp/tstuu/Config1 -r";
|
||
|
||
if (fcall_uucico)
|
||
{
|
||
zuucp2 = "/usr/bin/uucp -r";
|
||
zuux2 = "/usr/bin/uux -r";
|
||
}
|
||
else
|
||
{
|
||
zuucp2 = "./uucp -I /usr/tmp/tstuu/Config2 -r";
|
||
zuux2 = "./uux -I /usr/tmp/tstuu/Config2 -r";
|
||
}
|
||
|
||
/* Test transferring a file from the first system to the second. */
|
||
if (itest == 0 || itest == 1)
|
||
{
|
||
zfrom = "/usr/tmp/tstuu/from1";
|
||
if (fcall_uucico)
|
||
zto = "/usr/spool/uucppublic/to1";
|
||
else
|
||
zto = "/usr/tmp/tstuu/to1";
|
||
|
||
(void) remove (zto);
|
||
umake_file (zfrom, 0);
|
||
|
||
sprintf (ab, "%s %s %s!%s", zuucp1, zfrom, zsys, zto);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the first system request a file from the second. */
|
||
if (itest == 0 || itest == 2)
|
||
{
|
||
if (fcall_uucico)
|
||
zfrom = "/usr/spool/uucppublic/from2";
|
||
else
|
||
zfrom = "/usr/tmp/tstuu/from2";
|
||
zto = "/usr/tmp/tstuu/to2";
|
||
|
||
(void) remove (zto);
|
||
umake_file (zfrom, 3);
|
||
|
||
sprintf (ab, "%s %s!%s %s", zuucp1, zsys, zfrom, zto);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the second system send a file to the first. */
|
||
if (itest == 0 || itest == 3)
|
||
{
|
||
if (fcall_uucico)
|
||
zfrom = "/usr/spool/uucppublic/from3";
|
||
else
|
||
zfrom = "/usr/tmp/tstuu/from3";
|
||
zto = "/usr/tmp/tstuu/to3";
|
||
|
||
(void) remove (zto);
|
||
umake_file (zfrom, 5);
|
||
|
||
sprintf (ab, "%s -c \\~/from3 test1!~/to3", zuucp2);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the second system request a file from the first. */
|
||
if (itest == 0 || itest == 4)
|
||
{
|
||
zfrom = "/usr/tmp/tstuu/from4";
|
||
if (fcall_uucico)
|
||
zto = "/usr/spool/uucppublic/to4";
|
||
else
|
||
zto = "/usr/tmp/tstuu/to4";
|
||
|
||
(void) remove (zto);
|
||
umake_file (zfrom, 7);
|
||
|
||
sprintf (ab, "%s test1!%s %s", zuucp2, zfrom, zto);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the second system make an execution request. */
|
||
if (itest == 0 || itest == 5)
|
||
{
|
||
zfrom = "/usr/tmp/tstuu/from5";
|
||
if (fcall_uucico)
|
||
zto = "/usr/spool/uucppublic/to5";
|
||
else
|
||
zto = "/usr/tmp/tstuu/to5";
|
||
|
||
(void) remove (zto);
|
||
umake_file (zfrom, 11);
|
||
|
||
sprintf (ab, "%s test1!cat '<%s' '>%s'", zuux2, zfrom, zto);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the first system request a wildcard. */
|
||
if (itest == 0 || itest == 6)
|
||
{
|
||
const char *zfrom1, *zfrom2;
|
||
|
||
if (fcall_uucico)
|
||
{
|
||
zfrom = "/usr/spool/uucppublic/to6\\*";
|
||
zfrom1 = "/usr/spool/uucppublic/to6.1";
|
||
zfrom2 = "/usr/spool/uucppublic/to6.2";
|
||
}
|
||
else
|
||
{
|
||
zfrom = "/usr/tmp/tstuu/spool2/to6\\*";
|
||
zfrom1 = "/usr/tmp/tstuu/spool2/to6.1";
|
||
zfrom2 = "/usr/tmp/tstuu/spool2/to6.2";
|
||
}
|
||
|
||
umake_file (zfrom1, 100);
|
||
umake_file (zfrom2, 101);
|
||
(void) remove ("/usr/tmp/tstuu/to6.1");
|
||
(void) remove ("/usr/tmp/tstuu/to6.2");
|
||
|
||
sprintf (ab, "%s %s!%s /usr/tmp/tstuu", zuucp1, zsys, zfrom);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test having the second system request a wildcard. */
|
||
if (itest == 0 || itest == 7)
|
||
{
|
||
const char *zto1, *zto2;
|
||
|
||
if (fcall_uucico)
|
||
{
|
||
zto = "/usr/spool/uucppublic";
|
||
zto1 = "/usr/spool/uucppublic/to7.1";
|
||
zto2 = "/usr/spool/uucppublic/to7.2";
|
||
}
|
||
else
|
||
{
|
||
zto = "/usr/tmp/tstuu";
|
||
zto1 = "/usr/tmp/tstuu/to7.1";
|
||
zto2 = "/usr/tmp/tstuu/to7.2";
|
||
}
|
||
|
||
umake_file ("/usr/tmp/tstuu/spool1/to7.1", 150);
|
||
umake_file ("/usr/tmp/tstuu/spool1/to7.2", 155);
|
||
(void) remove (zto1);
|
||
(void) remove (zto2);
|
||
|
||
sprintf (ab, "%s test1!/usr/tmp/tstuu/spool1/to7.\\* %s", zuucp2,
|
||
zto);
|
||
xsystem (ab);
|
||
}
|
||
|
||
/* Test an E command. This runs cat, discarding the output. */
|
||
if ((itest == 0 || itest == 8) && ! fcall_uucico)
|
||
{
|
||
umake_file ("/usr/tmp/tstuu/from8", 30);
|
||
sprintf (ab, "%s - test2!cat < /usr/tmp/tstuu/from8", zuux1);
|
||
xsystem (ab);
|
||
}
|
||
}
|
||
|
||
/* Try to make sure the file transfers were successful. */
|
||
|
||
static void
|
||
ucheck_test (itest, fcall_uucico)
|
||
int itest;
|
||
boolean fcall_uucico;
|
||
{
|
||
if (itest == 0 || itest == 1)
|
||
{
|
||
if (fcall_uucico)
|
||
ucheck_file ("/usr/spool/uucppublic/to1", "test 1", 0);
|
||
else
|
||
ucheck_file ("/usr/tmp/tstuu/to1", "test 1", 0);
|
||
}
|
||
|
||
if (itest == 0 || itest == 2)
|
||
ucheck_file ("/usr/tmp/tstuu/to2", "test 2", 3);
|
||
|
||
if (itest == 0 || itest == 3)
|
||
ucheck_file ("/usr/tmp/tstuu/to3", "test 3", 5);
|
||
|
||
if (itest == 0 || itest == 4)
|
||
{
|
||
if (fcall_uucico)
|
||
ucheck_file ("/usr/spool/uucppublic/to4", "test 4", 7);
|
||
else
|
||
ucheck_file ("/usr/tmp/tstuu/to4", "test 4", 7);
|
||
}
|
||
|
||
if (itest == 0 || itest == 6)
|
||
{
|
||
ucheck_file ("/usr/tmp/tstuu/to6.1", "test 6.1", 100);
|
||
ucheck_file ("/usr/tmp/tstuu/to6.2", "test 6.2", 101);
|
||
}
|
||
|
||
if (itest == 0 || itest == 7)
|
||
{
|
||
const char *zto1, *zto2;
|
||
|
||
if (fcall_uucico)
|
||
{
|
||
zto1 = "/usr/spool/uucppublic/to7.1";
|
||
zto2 = "/usr/spool/uucppublic/to7.2";
|
||
}
|
||
else
|
||
{
|
||
zto1 = "/usr/tmp/tstuu/to7.1";
|
||
zto2 = "/usr/tmp/tstuu/to7.2";
|
||
}
|
||
|
||
ucheck_file (zto1, "test 7.1", 150);
|
||
ucheck_file (zto2, "test 7.2", 155);
|
||
}
|
||
}
|
||
|
||
/* A debugging routine used when displaying buffers. */
|
||
|
||
static int
|
||
cpshow (z, ichar)
|
||
char *z;
|
||
int ichar;
|
||
{
|
||
if (isprint (BUCHAR (ichar)) && ichar != '\"')
|
||
{
|
||
*z = (char) ichar;
|
||
return 1;
|
||
}
|
||
|
||
*z++ = '\\';
|
||
|
||
switch (ichar)
|
||
{
|
||
case '\n':
|
||
*z = 'n';
|
||
return 2;
|
||
case '\r':
|
||
*z = 'r';
|
||
return 2;
|
||
case '\"':
|
||
*z = '\"';
|
||
return 2;
|
||
default:
|
||
sprintf (z, "%03o", (unsigned int)(ichar & 0xff));
|
||
return strlen (z) + 1;
|
||
}
|
||
}
|
||
|
||
/* Pick one of two file descriptors which is ready for reading, or
|
||
return in five seconds. If the argument is ready for reading,
|
||
leave it alone; otherwise set it to -1. */
|
||
|
||
static void
|
||
uchoose (po1, po2)
|
||
int *po1;
|
||
int *po2;
|
||
{
|
||
#if HAVE_SELECT
|
||
|
||
int iread;
|
||
struct timeval stime;
|
||
|
||
iread = (1 << *po1) | (1 << *po2);
|
||
stime.tv_sec = 5;
|
||
stime.tv_usec = 0;
|
||
|
||
if (select ((*po1 > *po2 ? *po1 : *po2) + 1, (pointer) &iread,
|
||
(pointer) NULL, (pointer) NULL, &stime) < 0)
|
||
{
|
||
perror ("select");
|
||
uchild (SIGCHLD);
|
||
}
|
||
|
||
if ((iread & (1 << *po1)) == 0)
|
||
*po1 = -1;
|
||
|
||
if ((iread & (1 << *po2)) == 0)
|
||
*po2 = -1;
|
||
|
||
#else /* ! HAVE_SELECT */
|
||
|
||
#if HAVE_POLL
|
||
|
||
struct pollfd as[2];
|
||
|
||
as[0].fd = *po1;
|
||
as[0].events = POLLIN;
|
||
as[1].fd = *po2;
|
||
as[1].events = POLLIN;
|
||
|
||
if (poll (as, 2, 5 * 1000) < 0)
|
||
{
|
||
perror ("poll");
|
||
uchild (SIGCHLD);
|
||
}
|
||
|
||
if ((as[0].revents & POLLIN) == 0)
|
||
*po1 = -1;
|
||
|
||
if ((as[1].revents & POLLIN) == 0)
|
||
*po2 = -1;
|
||
|
||
#endif /* HAVE_POLL */
|
||
#endif /* ! HAVE_SELECT */
|
||
}
|
||
|
||
/* Read some data from a file descriptor. This keeps reading until
|
||
one of the reads gets no data. */
|
||
|
||
static long
|
||
cread (o, pqbuf)
|
||
int o;
|
||
struct sbuf **pqbuf;
|
||
{
|
||
long ctotal;
|
||
|
||
while (*pqbuf != NULL && (*pqbuf)->qnext != NULL)
|
||
pqbuf = &(*pqbuf)->qnext;
|
||
|
||
ctotal = 0;
|
||
|
||
while (TRUE)
|
||
{
|
||
int cgot;
|
||
|
||
if (*pqbuf != NULL
|
||
&& (*pqbuf)->cend >= sizeof (*pqbuf)->ab)
|
||
pqbuf = &(*pqbuf)->qnext;
|
||
|
||
if (*pqbuf == NULL)
|
||
{
|
||
*pqbuf = (struct sbuf *) malloc (sizeof (struct sbuf));
|
||
if (*pqbuf == NULL)
|
||
{
|
||
fprintf (stderr, "Out of memory\n");
|
||
uchild (SIGCHLD);
|
||
}
|
||
(*pqbuf)->qnext = NULL;
|
||
(*pqbuf)->cstart = 0;
|
||
(*pqbuf)->cend = 0;
|
||
}
|
||
|
||
cgot = read (o, (*pqbuf)->ab + (*pqbuf)->cend,
|
||
(sizeof (*pqbuf)->ab) - (*pqbuf)->cend);
|
||
if (cgot < 0)
|
||
{
|
||
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == ENODATA)
|
||
cgot = 0;
|
||
else
|
||
{
|
||
perror ("read");
|
||
uchild (SIGCHLD);
|
||
}
|
||
}
|
||
|
||
if (cgot == 0)
|
||
return ctotal;
|
||
|
||
ctotal += cgot;
|
||
|
||
if (zDebug != NULL)
|
||
{
|
||
char abshow[325];
|
||
char *zfrom;
|
||
char *zshow;
|
||
int i;
|
||
|
||
zfrom = (*pqbuf)->ab + (*pqbuf)->cend;
|
||
zshow = abshow;
|
||
for (i = 0; i < cgot && i < 80; i++, zfrom++)
|
||
zshow += cpshow (zshow, *zfrom);
|
||
if (i < cgot)
|
||
{
|
||
*zshow++ = '.';
|
||
*zshow++ = '.';
|
||
*zshow++ = '.';
|
||
}
|
||
*zshow = '\0';
|
||
fprintf (stderr, "Read from %d: %d \"%s\"\n", o, cgot, abshow);
|
||
fflush (stderr);
|
||
}
|
||
|
||
if (iPercent > 0)
|
||
{
|
||
int i;
|
||
int c;
|
||
|
||
c = 0;
|
||
for (i = 0; i < cgot; i++)
|
||
{
|
||
if (rand () % 1000 < iPercent)
|
||
{
|
||
++(*pqbuf)->ab[(*pqbuf)->cend + i];
|
||
++c;
|
||
}
|
||
}
|
||
if (zDebug != NULL && c > 0)
|
||
fprintf (stderr, "Clobbered %d bytes\n", c);
|
||
}
|
||
|
||
(*pqbuf)->cend += cgot;
|
||
|
||
if (ctotal > 256)
|
||
return ctotal;
|
||
}
|
||
}
|
||
|
||
/* Write data to a file descriptor until one of the writes gets no
|
||
data. */
|
||
|
||
static boolean
|
||
fsend (o, oslave, pqbuf)
|
||
int o;
|
||
int oslave;
|
||
struct sbuf **pqbuf;
|
||
{
|
||
long ctotal;
|
||
|
||
ctotal = 0;
|
||
while (*pqbuf != NULL)
|
||
{
|
||
int cwrite, cwrote;
|
||
|
||
if ((*pqbuf)->cstart >= (*pqbuf)->cend)
|
||
{
|
||
struct sbuf *qfree;
|
||
|
||
qfree = *pqbuf;
|
||
*pqbuf = (*pqbuf)->qnext;
|
||
free ((pointer) qfree);
|
||
continue;
|
||
}
|
||
|
||
#ifdef FIONREAD
|
||
{
|
||
long cunread;
|
||
|
||
if (ioctl (oslave, FIONREAD, &cunread) < 0)
|
||
{
|
||
perror ("FIONREAD");
|
||
uchild (SIGCHLD);
|
||
}
|
||
if (zDebug != NULL)
|
||
fprintf (stderr, "%ld unread\n", cunread);
|
||
cwrite = 256 - cunread;
|
||
if (cwrite <= 0)
|
||
break;
|
||
}
|
||
#else /* ! FIONREAD */
|
||
if (! fwritable (o))
|
||
break;
|
||
cwrite = 1;
|
||
#endif /* ! FIONREAD */
|
||
|
||
if (cwrite > (*pqbuf)->cend - (*pqbuf)->cstart)
|
||
cwrite = (*pqbuf)->cend - (*pqbuf)->cstart;
|
||
|
||
cwrote = write (o, (*pqbuf)->ab + (*pqbuf)->cstart, cwrite);
|
||
if (cwrote < 0)
|
||
{
|
||
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == ENODATA)
|
||
cwrote = 0;
|
||
else
|
||
{
|
||
perror ("write");
|
||
uchild (SIGCHLD);
|
||
}
|
||
}
|
||
|
||
if (cwrote == 0)
|
||
break;
|
||
|
||
ctotal += cwrote;
|
||
(*pqbuf)->cstart += cwrote;
|
||
}
|
||
|
||
if (zDebug != NULL && ctotal > 0)
|
||
fprintf (stderr, "Wrote %ld to %d\n", ctotal, o);
|
||
|
||
return ctotal > 0;
|
||
}
|
||
|
||
/* Check whether a file descriptor can be written to. */
|
||
|
||
static boolean
|
||
fwritable (o)
|
||
int o;
|
||
{
|
||
#if HAVE_SELECT
|
||
|
||
int iwrite;
|
||
struct timeval stime;
|
||
int cfds;
|
||
|
||
iwrite = 1 << o;
|
||
|
||
stime.tv_sec = 0;
|
||
stime.tv_usec = 0;
|
||
|
||
cfds = select (o + 1, (pointer) NULL, (pointer) &iwrite,
|
||
(pointer) NULL, &stime);
|
||
if (cfds < 0)
|
||
{
|
||
perror ("select");
|
||
uchild (SIGCHLD);
|
||
}
|
||
|
||
return cfds > 0;
|
||
|
||
#else /* ! HAVE_SELECT */
|
||
|
||
#if HAVE_POLL
|
||
|
||
struct pollfd s;
|
||
int cfds;
|
||
|
||
s.fd = o;
|
||
s.events = POLLOUT;
|
||
|
||
cfds = poll (&s, 1, 0);
|
||
if (cfds < 0)
|
||
{
|
||
perror ("poll");
|
||
uchild (SIGCHLD);
|
||
}
|
||
|
||
return cfds > 0;
|
||
|
||
#endif /* HAVE_POLL */
|
||
#endif /* ! HAVE_SELECT */
|
||
}
|
||
|
||
/* A version of the system command that checks for errors. */
|
||
|
||
static void
|
||
xsystem (zcmd)
|
||
const char *zcmd;
|
||
{
|
||
int istat;
|
||
|
||
istat = system ((char *) zcmd);
|
||
if (istat != 0)
|
||
{
|
||
fprintf (stderr, "Command failed with status %d\n", istat);
|
||
fprintf (stderr, "%s\n", zcmd);
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
}
|