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freebsd-dev/gnu/libexec/uucp/contrib/uupoll.shar
Andrey A. Chernov 8d29233fea Upgrade to version 1.05
1994-05-07 18:14:43 +00:00

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#!/bin/sh
# This is a shell archive (produced by shar 3.49)
# To extract the files from this archive, save it to a file, remove
# everything above the "!/bin/sh" line above, and type "sh file_name".
#
# made 04/17/1994 02:21 UTC by ian@comton.airs.com
# Source directory /disk4/ian
#
# existing files will NOT be overwritten unless -c is specified
#
# This shar contains:
# length mode name
# ------ ---------- ------------------------------------------
# 2602 -r--r--r-- uupoll/Makefile
# 3636 -r--r--r-- uupoll/README
# 4718 -r--r--r-- uupoll/autopoll.8c
# 44031 -r--r--r-- uupoll/autopoll.c
# 3884 -r--r--r-- uupoll/conf.h
# 4787 -r--r--r-- uupoll/uupoll.8c
# 27587 -r--r--r-- uupoll/uupoll.c
#
# ============= uupoll/Makefile ==============
if test ! -d 'uupoll'; then
echo 'x - creating directory uupoll'
mkdir 'uupoll'
fi
if test -f 'uupoll/Makefile' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/Makefile (File already exists)'
else
echo 'x - extracting uupoll/Makefile (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/Makefile' &&
# This is the Makefile for uupoll and autopoll
# borrowed and hacked from Taylor UUCP 1.04
X
# Prefix directory for installation directories.
prefix = /usr/local
X
# The user name/group that should own the resulting executables.
# Both should run suid.
owner = uucp.daemon
X
# Which mode should the resulting executables have.
emode = 4111
X
# Where to install autopoll. This definition requires $(prefix)/lib to exist.
lbindir = $(prefix)/lib/uucp
X
# Where are the sources from uucp-Taylor uucp.h, uuconf.h, policy.h.
# the following assumes that our sources are in uucp-1.05/contrib/uupoll
# and the required .h files are in main directory for uucp-1.05
uucpsrcs = ../../
X
# Where to install uupoll
bbindir = $(prefix)/bin
X
# Where to install man pages. Section 8 for daemons.
man8dir = $(prefix)/man/man8
man8ext = .8c
X
# Define programs and flags
CC = gcc
CFLAGS = -O2
LDFLAGS = -s
LIBS =
X
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = $(INSTALL)
INSTALL_DATA = $(INSTALL) -m 644
X
#
# Nothing else to configure
#
X
SHELL = /bin/sh
X
VERSION = 1.00
X
MORECFLAGS = -I. -I$(uucpsrcs) -Wall
X
PROGRAMS = uupoll autopoll
X
UUPOLLOBJS = uupoll.o
AUTOOBJS = autopoll.o
X
ALLOBJS = uupoll.o autopoll.o
X
all: $(PROGRAMS)
X
install: $(PROGRAMS)
X if test -d $(lbindir); then true; else mkdir $(lbindir); fi
X if test -d $(bbindir); then true; else mkdir $(bbindir); fi
X -if test -f $(lbindir)/autopoll.old; then rm -f $(lbindir)/autopoll; else mv $(lbindir)/autopoll $(lbindir)/autopoll.old; fi
X -if test -f $(bbindir)/uupoll.old; then rm -f $(bbindir)/uupoll; else mv $(bbindir)/uupoll $(bbindir)/uupoll.old; fi
X $(INSTALL_PROGRAM) autopoll $(lbindir)/autopoll
X $(INSTALL_PROGRAM) uupoll $(bbindir)/uupoll
X chown $(owner) $(lbindir)/autopoll $(bbindir)/uupoll
X chmod $(emode) $(lbindir)/autopoll $(bbindir)/uupoll
X $(INSTALL_DATA) uupoll.8c $(man8dir)/uupoll$(man8ext)
X $(INSTALL_DATA) autopoll.8c $(man8dir)/autopoll$(man8ext)
X
uninstall:
X rm -f $(lbindir)/autopoll $(bbindir)/uupoll
X rm -f $(man8dir)/autopoll$(man8ext) $(man8dir)/uupoll$(man8ext)
X -cp $(lbindir)/autopoll.old $(lbindir)/autopoll
X -cp $(bbindir)/uupoll.old $(bbindir)/uupoll
X -chown $(owner) $(lbindir)/autopoll $(bbindir)/uupoll
X -chmod $(emode) $(lbindir)/autopoll $(bbindir)/uupoll
X
uupoll: $(UUPOLLOBJS)
X $(CC) $(LDFLAGS) -o uupoll $(UUPOLLOBJS) $(LIBS)
X
autopoll: $(AUTOOBJS)
X $(CC) $(LDFLAGS) -o autopoll $(AUTOOBJS) $(LIBS)
X
.c.o:
X $(CC) -c $(CFLAGS) $(MORECFLAGS) $<
X
X
clean:
X rm -f $(ALLOBJS) $(PROGRAMS)
X
mostlyclean: clean
X
TAGS:
X etags *.h *.c
X
# Header file dependencies. These are maintained by hand.
X
$(ALLOBJS): conf.h
X
.NOEXPORT:
SHAR_EOF
chmod 0444 uupoll/Makefile ||
echo 'restore of uupoll/Makefile failed'
Wc_c="`wc -c < 'uupoll/Makefile'`"
test 2602 -eq "$Wc_c" ||
echo 'uupoll/Makefile: original size 2602, current size' "$Wc_c"
fi
# ============= uupoll/README ==============
if test -f 'uupoll/README' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/README (File already exists)'
else
echo 'x - extracting uupoll/README (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/README' &&
X
The package consists of the following files:
X
X - autopoll.c
X - autopoll.8c
X - conf.h
X - Makefile
X - README
X - uupoll.c
X - uupoll.8c
X
CAVEAT:
uupoll as well as autopoll are created, tested and run on
a NeXT running NeXTstep 2.1+ only! Autopoll will take the same arguments
as uucico and may well work with them the same way uucico works but it
has only been tested to call uucico with the options:
X
X -s<site> -S<site> -f -r1 -C -D (as well as the long form of these options)
X
so far. All options given to autopoll will be passed verbatim to uucico.
X
DESCRIPTION:
The program uupoll was created to be a full replacement for the vendor
supplied one on a NeXT computer. That uupoll checked any site name against
the "hardwired" L.sys and did end with a "Bus error" if the site could not
be found. There was no source available to modify so it had to be created
from scratch.
The program autopoll has no equivalent an the NeXT. The intentions behind
it was to automate the task of rescheduling any failed call. It may be
started by an entry in the crontab tables in just the same way uucico is
started (it will start uucico):
X
05 5 * * * uucp /usr/local/lib/uucp/autopoll -r1 >>/tmp/poll.log 2>&1
X
Any messages go to stderr or a file (if compiled with that option); in case
the file could not be opened it will use stdout to tell you just that and quit.
To catch any output one may place the string
X
X >>/tmp/poll.log 2>&1
X
into the command line as well. Uupoll as well as autopoll will place only
a start message into the logfiles in case they are invoked manually from
the shell.
If the call fails autopoll will reschedule uucico for a later time by means
of an AT job.
The messages given by uupoll and autopoll carry an indicator to inform about
the nature of an error; they are:
X
- (I) informal message; such as ".. started" ".. ended".
- (W) there might be an error but the program decided to go ahead.
X The exit code will be at least 4.
- (E) a severe error was encountered that either aborts the whole run or
X only the task for one site will be aborted.
X The exit code will be at least 8.
- (C) a catastrophic error has been found such as unable to fork. The run
X is aborted.
X The exit code will be at least 16.
The final message will show the exit code the programm has terminated with.
X
For more information see the man pages or look into the source.
X
INSTALLATION:
all files should be placed in one folder. Then examine and change the files
Makefile and conf.h to meet your needs. To compile uupoll some files of
uucp must be available (see Makefile: uucpsrcs)
If not already there change to the directory which contain the files and type:
X
make
X
this should compile UUPOLL and AUTOPOLL. There should only be a warning
that rcsid is defined but not used.
Before actually installing you should test the programs to be working as
desired.
Then check the Makefile for the final placement of the modules and the man
pages. Make sure the ownership and setuid is what you need on your machine
to run the program(s).
Then su to root and type:
X
make install
X
which should install the above programs and the man pages in the appropriate
directories.
Some word on the coding: have mercy! This is my second project in 'C'; any
suggestions that may improve the style/coding are welcome however.
X
In case of any problems that can't be solved feel free to contact the
author at:
X
Klaus Dahlenburg Timezone : GMT + 2
P.O.Box 1267 email : kdburg@incoahe.hanse.de
D-21249 Tostedt Fax : +49 4287 676
X Germany Voice : +49 4287 681
X
Have fun!
SHAR_EOF
chmod 0444 uupoll/README ||
echo 'restore of uupoll/README failed'
Wc_c="`wc -c < 'uupoll/README'`"
test 3636 -eq "$Wc_c" ||
echo 'uupoll/README: original size 3636, current size' "$Wc_c"
fi
# ============= uupoll/autopoll.8c ==============
if test -f 'uupoll/autopoll.8c' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/autopoll.8c (File already exists)'
else
echo 'x - extracting uupoll/autopoll.8c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/autopoll.8c' &&
.\"
.\" @(#)autopoll.8c 1.4 (incoahe) 5/09/1993
.\"
.TH AUTOPOLL 8C "May 09, 1993"
.UC 6
.SH NAME
autopoll \- automatic \s-1UUCP\s+1 file transfer supervisor
.SH SYNOPSIS
.B autopoll
[
.BI options
]
.SH DESCRIPTION
file transfer requests placed by
.IR uucp (1)
or
.IR uux (1)
are handled by
.IR uucico (8C).
.IR uucico
will be invoked immediately by the above programs unless the \-r
option is given which queues the request for later processing. This
is typically done by entries in the
.IR crontab
table(s) which will invoke
.IR uucico.
.IR uucico
can also be invoked by
.IR uupoll (8C).
All methods have in common that there is no automatic retry by
.IR uucico
itself in case the call failed for some reason.
Either manual
intervention or some sort of scripts must be used to overcome this
limitation.
.PP
.IR Autopoll
can be used to automate up to a certain degree the task of rescheduling
a call. None of the standard programs already mentioned need to be
modified to get this working. Also not recommended (see BUGS section)
.IR uucico
may be an alias to
.IR autopoll
as all arguments passed to
.IR autopoll
will be copied verbatim to
.IR uucico.
In case this is done by link or other means the original
.I uucio
must still be available in a directory outside of the normal search path
otherwise
.I autopoll
can't do what it's intended to do and will form a loop.
.PP
When
.IR autopoll
is called thre will be a check on the \-s, \-S and \-f option to
see whether this
is a specific call or not. Also the \-S and the \-f option must be checked
to determine the type of call: honor any imposed wait for a site or not.
Any call to ourself or to an unknown site will be refused. The known sites
will be obtained by a call to
.IR uuname(1).
All other options will not be checked in any way. Next to this
.IR uucico
is called and the exit code is checked for a `1' which indicates that the call
failed for some reason whatsoever. A `0' exit code will be interpreted as
a success and
.IR autopoll
ends immediate. If the call seems to be unsuccessful a new call is scheduled
for any site whose .Status files have a retry period greater than 0. The
retry will be scheduled by means of placing an
.IR at
job at the time of the failing call plus any wait time given. For those
sites that have been called with either the \-f or \-S option the retry
time will be the time of the failing call plus 120 seconds.
.PP
In case the time calculated from the values found in a \.Status file is
lower than the current time, the current time plus 60 seconds will be taken
as the retry time.
.PP
A site will
.IR not
be automatically called again if one of the following
conditions is met:
.PP
\-
.IR uucico
is terminated by a signal
.PP
\- either fork() or exec() failed
.PP
\- the
.IR at
command failed for any reasons.
.PP
\- if no wait should be honored and the retry time is found to be zero.
(this may indicate a `Wrong time to call' condition.
.PP
There are other circumstances that may lead to not reschedule a call or
not to call
.IR uucico
at all, all of which should be accompanied by (a) self explanatory message(s).
.SH BUGS
\- invalid options will make
.IR uucico
fail. The exit code for this type is the same as for any other failure; this
can reschedule the call over and over again or never.
.PP
\-
.IR autopoll
may not work as expected when called with options other than \-r1, \-s,
\-S or \-f.
.PP
\- a rescheduled call may fail with `wrong time to call' the second time
but will be rescheduled again. The times to call won't be checked by
.IR autopoll
and the .Status file may not indicate this in case the \-c option is given.
.PP
\- in case the ..._DIR points to an invalid file a `Bus error' my pop up
during the `exec' call.
.PP
\- the `chat-timeout' value may have to be increased when using
.IR autopoll.
An indication to do that is that the call fails short after `CONNECT'
has been received with `Time out in chat script'.
.PP
\- the site names given will be checked aginst the output of
.I uuname
without any alias expansion done.
.PP
\- the text strings whithin the \.Status files will not be used to detect
a failing call.
.SH FILES
.nf
/usr/local/lib/uucp UUCP internal utilities
/usr/lib/uucp
/usr/local/bin UUCP internal utilities
/usr/bin
/usr/spool/uucp/.Status/ Status files for each site
/usr/spool/uucp/ UUCP spool area. one of its sub-
X directories will hold the null jobs.
/tmp/poll.log This file is present only if autopoll
X has been compiled to place the messages
X into a file. Otherwise all messages will
X go to stderr. The directory as well as
X the name may be different.
.fi
.SH SEE ALSO
uucp(1C), uux(1C), uucico(8C), uupoll(8C), uuname(1C), sort(1), uniq(1),
at(1)
SHAR_EOF
chmod 0444 uupoll/autopoll.8c ||
echo 'restore of uupoll/autopoll.8c failed'
Wc_c="`wc -c < 'uupoll/autopoll.8c'`"
test 4718 -eq "$Wc_c" ||
echo 'uupoll/autopoll.8c: original size 4718, current size' "$Wc_c"
fi
# ============= uupoll/autopoll.c ==============
if test -f 'uupoll/autopoll.c' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/autopoll.c (File already exists)'
else
echo 'x - extracting uupoll/autopoll.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/autopoll.c' &&
/* ---------------------------------------------------------------------------*
X
X Name: autopoll
X
X Author: Klaus Dahlenburg <kdburg@incoahe.hanse.de>
X
X Status: Public domain
X
X Copyright: none; claiming it to be your work will adversly affect
X your image to be a good programmer.
X
X Function: Autopoll may be called just as uucico is called. The difference
X is that autopoll will call uucico and if the return code is
X not zero a check is made on the status files to see which site's
X call failed. Those sites will be called again at that time found
X in the status file plus any imposed wait. The next call will be
X scheduled via an at job which in turn is handled by cron.
X Atrun depends on the scheduling granularity of cron so the
X actual times may be later than planned.
X Autopoll will check the options -f and -s (-S) as well as the name
X of the site passed. All other options will be passed unchecked.
X The -f and -S options will indicate to autopoll that any wait
X to call a site should be ignored; if the call fails the next
X call to those sites will be at the current time plus 120 secs.
X When the time found plus any wait evaluates to a time that
X passed already the next call will be the current time plus 60
X secs. The name of the site if given must be a valid one and not
X the host itself otherwise it will be ignored.
X
X Call: autopoll [ options ]
X
X all option that apply to uucico may be given and
X will be passed verbatim. See man uucico(8).
X
X Environment: NeXT 2.1+, Taylor UUCP-1.04+
X
X I/O: stdin: unused.
X stdout: used only when ALOG_DIR is defined and the file
X can't be opened. It will be a single message to tell
X just that and the run is aborted.
X stderr: all messages go here.
X If ALOG_DIR is defined (see conf.h) all messages will
X be appended to a file autopoll.msglog in that
X directory; the file will be created automatically if
X necessary; a redirection is then no longer possible.
X Needs access to .Status files (see Comments later on).
X
X Called Programs: sort, uniq, uucico, uuname, at
X
X Compile: no special options are needed. Compiled with gcc 2.3.3 -O2.
X Compile with the supplied cc might produce erroneous code
X for the check options switch case 's' code: the break inside
X the first if (..) {... break} is ignored.
X
X Comments: - should run setuid UUCP or whatever userid is necessary to
X access (RDONLY) the .Status files and to run the programs
X named under "Called Programs" above.
X - No alias expansion is done on the given names for the
X check against uuname's output..
X - Invalid arguments will yield in an exit code > 0 as do
X "normal" failures. It may therefore happen that a site
X is called at the intervals with the same invalid arguments.
X - "Wrong time to call" is not handled properly and may
X call the site at the intervals until the time ban is lifted.
X - human action is necessary as we can't distinguish between
X "normal" failures and "errors" such as wrong password,
X number to dial etc. The logs should be checked periodically.
X - if CICO_DIR points to a non existent program the run may
X end with signal 10: Bus Error.
X - is has been observed that uucico will time out with "Dial
X failed" when called via autopoll; setting chat-timeout to
X value of 40 cured that problem.
X - no rescheduling is done in case uucico fails and this
X is not reported in the .Status file, one should check
X the uucico log; this is to the fact that autopoll will
X not scan the uucico log.
*/
X
X
#if !defined(lint)
static char rcsid[] = "$Id: autopoll.c,v 2.8 1994/04/14 17:22:54 kdburg Rel $";
#endif /* not lint */
X
/* $Log: autopoll.c,v $
X * Revision 2.8 1994/04/14 17:22:54 kdburg
X * corrected misspelled AT_OPTION
X *
X * Revision 2.7 1994/04/11 20:15:48 kdburg
X * major rework done; honor now some of the new option taht came with
X * uucp-1.05
X *
X * Revision 2.6 1994/03/26 17:40:30 kdburg
X * added support for UNAME_DIR; cleanup of some code; adjusted code after
X * obtaining sitenames via popen()
X *
X * Revision 2.5 1993/07/07 16:49:02 kdburg
X * when used interactivly only the start msg is put into the msg-log
X * so far defined (UULOG)
X *
X * Revision 2.4 1993/06/26 16:17:51 kdburg
X * the -S option wasn't propagated to the command passed to the at pgm
X *
X * Revision 2.3 1993/05/25 12:05:01 kdburg
X * added error check on gettimeofday; added comment in the note section;
X * minor changes not affection code
X *
X * Revision 2.2 1993/05/17 20:47:05 kdburg
X * execution of at cmd also ok always said failed...
X *
X * Revision 2.1 1993/05/16 21:49:13 kdburg
X * changed exit() to _exit() in case the exec fails within child
X *
X * Revision 2.0 1993/05/16 14:12:05 kdburg
X * initial revision
X * */
X
#define CAT 16
#define SEVERE 8
#define WARNING 4
#define OK 0
/* Boolean types */
typedef int bool;
#undef TRUE
#undef FALSE
#define TRUE (1)
#define FALSE (0)
X
#include "conf.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <pwd.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/wait.h>
X
#ifdef ALOG_FILE
X static char Msg_Log[] = ALOG_FILE; /* name of msglog filename */
#endif
X
#ifdef UNAME_DIR
X static char subcmd[] = " | sort | uniq"; /* pipe that follows uuname */
#else /* ! UNAME_DIR */
X static char Sort[] = "uuname | sort | uniq"; /* default to obtain site names */
#endif /*UNAME_DIR */
X
#ifdef AT_OPTION
X static char at_opt[] = AT_OPTION;
#else
X static char at_opt[] = "-mc";
#endif /* AT_OPTION */
X
static char at_cmd[] = "at";
static char cGrade[] = DEF_GRADE; /* grade as defined in conf.h */
static char dGrade[] = "A"; /* use this if DEF_GRADE is invalid */
static char Auto_Dir[] = AUTO_DIR; /* we live here */
static char Cico_Dir[] = CICO_DIR; /* here lives cico */
X
struct Sites {
X char name[MAXHOSTNAMELEN+1]; /* name of site as supplied by uuname */
X char grade[1]; /* as passed or defaulted */
X bool flag; /* TRUE: call this site only */
X bool force; /* TRUE: -S or -f option given */
X int stat_code;
X int stat_retries;
X long stat_lastcall;
X long stat_delay;
X char *stat_errtext;
};
X struct Common_Stor {
X int maxtab; /* high-water-mark for site tab */
X int Single_Site_Tab; /* entry into site tab for a site */
X /* passed via -s or -S option */
X bool force_any; /* TRUE: -f option without site */
X bool one_site; /* TRUE: call for a specific site */
X bool nodetach; /* TRUE: -D or --nodetach found */
X bool ifwork; /* TRUE: -C or --ifwork found */
X char *Grade; /* use this as grade for calls */
X char *Poll_Pgm; /* our name without path */
X char *called_as; /* but called by this name */
X int our_pid; /* our process-id */
X char *Uucico; /* cico's name without path */
X char This_Site[MAXHOSTNAMELEN+1]; /* our site name */
X char Single_Site[MAXHOSTNAMELEN+1]; /* name of site found as arg */
X union wait *W_Stat;
X char *Usort; /* will hold uuname + subcmd */
X struct passwd *pwd;
X struct timeval tp;
X struct timezone tzp;
X struct Sites Sitetab[SITE_MAX];
X char mon[3];
X int day, hh, mm, ss;
X char oname[24];
X char jname[20];
X char tstr[20];
X char ctag[2];
X char workf[300];
X char call_args[300];
X };
X
/* copied from taylor uucp "uudefs.h"
X *
X **/
X
/* The tstatus_type enumeration holds the kinds of status information
X we put in the status file. The order of entries here corresponds
X to the order of entries in the azStatus array. */
enum tstatus_type
{
X /* Conversation complete. */
X STATUS_COMPLETE,
X /* Port unavailable. */
X STATUS_PORT_FAILED,
X /* Dial failed. */
X STATUS_DIAL_FAILED,
X /* Login failed. */
X STATUS_LOGIN_FAILED,
X /* Handshake failed. */
X STATUS_HANDSHAKE_FAILED,
X /* Failed after logging in. */
X STATUS_FAILED,
X /* Talking to remote system. */
X STATUS_TALKING,
X /* Wrong time to call. */
X STATUS_WRONG_TIME,
X /* Number of status values. */
X STATUS_VALUES
};
X
/* ----end-- copied from taylor uucp "uudefs.h" */
X
X
/* define the prototypes
X * */
X
int set_mlog(FILE **seclog, struct Common_Stor *);
int get_sites(struct Common_Stor *);
int Call_Cico(int argc, char *argv[], struct Common_Stor *);
int get_args(int argc, char *argv[], struct Common_Stor *);
int Housekeeping(int argc, char *argv[], struct Common_Stor *);
int Chk_Status(int argc, char *argv[],
X struct timeval tcc,
X struct timezone tzcc,
X struct Common_Stor *);
int Check_Site(struct Common_Stor *);
int start_at(char *name, struct Common_Stor *);
void *storage(unsigned count, char *errloc, int *Rc, struct Common_Stor *);
X
extern int gethostname(char *name, int namelen);
extern int system(char *cmd);
extern int fork();
extern int unlink(char *path);
extern void *malloc(size_t byteSize);
extern int execve(char *name, char *argv[], char *envp[]);
extern int execlp(char *name, char *arg0, ...);
extern int chmod(char *path, int mode);
extern int getuid();
extern int getpid();
extern int isatty(int);
extern char *ttyname(int);
extern void free(void *ptr);
#ifdef __STRICT_ANSI__
extern FILE *popen(char *command, char *type);
extern int pclose(FILE *stream);
extern void _exit(int status);
#endif /* __STRICT_ANSI__ */
#ifdef __STRICT_BSD__
extern int fprintf(FILE *stream, const char *format, ...);
extern int fclose(FILE *stream);
extern char *strerror(int errnum);
extern int fflush(FILE *stream);
extern void exit(int status);
extern int fscanf(FILE *stream, const char *format, ...);
extern int sscanf(char *s, const char *format, ...);
#endif /* __STRICT_BSD__ */
X
/* --------------------------------------------------------------------------*/
/* Main */
/* --------------------------------------------------------------------------*/
X
int main(int argc, char *argv[])
{
X
X struct Common_Stor *sCom_Sto;
X int Maxrc = OK; /* Max err-code encountered so far */
X int k = 0;
X
X if ( NULL == (sCom_Sto = malloc(sizeof(struct Common_Stor))) ) {
X fprintf(stderr,"%s: (C) malloc failed (%s). Reason: %i (%s)\n",
X AUTO_DIR,"Common_Stor",errno,strerror(errno));
X exit (CAT);
X }
X
X Maxrc = Housekeeping(argc, argv, sCom_Sto);
X
/* If any errors popped up so far they are of such a nature that it is very
X * questionable to continue; so we better bail out in this case.
X */
X if (Maxrc <= WARNING) {
X if ((sCom_Sto->W_Stat = (union wait *)storage (sizeof(union wait),
X "W_Stat",&Maxrc,sCom_Sto)) != NULL) {
X k = Call_Cico(argc, argv, sCom_Sto);
X Maxrc = Maxrc >= k ? Maxrc:k;
X free(sCom_Sto->W_Stat);
X sCom_Sto->W_Stat = NULL;
X }
X }
X k = gettimeofday(&sCom_Sto->tp, &sCom_Sto->tzp);
X fprintf(stderr,"%s: (I) ended with rc = %i on %s\n",
X sCom_Sto->called_as,
X Maxrc,k!=0 ? "time unavailable":ctime(&sCom_Sto->tp.tv_sec));
X fclose(stderr);
X free(sCom_Sto);
X sCom_Sto = NULL;
X exit (Maxrc);
}
X
/* --------------------------------------------------------------------------*/
/* Functions */
/* --------------------------------------------------------------------------*/
X
/* --------------------------------------------------------------------
X * housekeeping
X */
X
int Housekeeping(argc, argv, sCom_Sto)
X int argc;
X char *argv[];
X struct Common_Stor *sCom_Sto; {
X
X FILE *seclog = NULL;
X int Rc = OK;
X int Rci = OK; /* intermediate rc as returnd by functions */
X
X sCom_Sto->our_pid = getpid();
X
/*
X * get our name sans path
X * */
X
X sCom_Sto->called_as = argv[0] + strlen(*argv);
X for(;sCom_Sto->called_as >= argv[0] && *--sCom_Sto->called_as != '/';)
X ;
X sCom_Sto->called_as++;
X
/* if defined set up the name of the message log file otherwise
X * stderr will be used. Setup the cmd string to obtain all known sitenames
X * which will be sorted in ascending order with duplicates removed
X * */
X
X Rc = set_mlog(&seclog, sCom_Sto);
X if (Rc > WARNING)
X return (Rc);
X
/* put out the started message including the time and the userid.
X * */
X
X sCom_Sto->pwd = getpwuid(getuid());
X
X if ((gettimeofday(&sCom_Sto->tp, &sCom_Sto->tzp)) != 0) { /* unacceptable error */
X fprintf(stderr,"%s: (C) gettimeofday() failed. Reason: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X return (Rc >= CAT ? Rc:CAT);
X }
X
X if (seclog != NULL) {
X fprintf(seclog,"\n%s: (I) started by `%s' (%s) on %s",
X sCom_Sto->called_as,
X (sCom_Sto->pwd==NULL) ? "???":sCom_Sto->pwd->pw_name,
X ttyname(0),
X ctime(&sCom_Sto->tp.tv_sec));
X fclose(seclog);
X }
X fprintf(stderr,"\n%s: (I) started by `%s' on %s",
X sCom_Sto->called_as,
X (sCom_Sto->pwd==NULL) ? "???":sCom_Sto->pwd->pw_name,
X ctime(&sCom_Sto->tp.tv_sec));
X
/* set up the default grade
X * */
X
X sCom_Sto->Grade = dGrade; /* set default for now */
X if (strlen(cGrade) != 1) {
X fprintf(stderr,"%s: (W) grade %s invalid; default `%s' used\n",
X sCom_Sto->called_as,cGrade,sCom_Sto->Grade);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else
X sCom_Sto->Grade = cGrade; /* Ok, take the one from conf.h */
X
/* get the program to actually call the site. This is normally UUCICO.
X * */
X
X sCom_Sto->Uucico = Cico_Dir + strlen(Cico_Dir);
X for(;sCom_Sto->Uucico >= Cico_Dir && *--sCom_Sto->Uucico != '/';)
X ;
X sCom_Sto->Uucico++;
X
/* get the path to ourself.
X * */
X
X sCom_Sto->Poll_Pgm = Auto_Dir + strlen(Auto_Dir);
X for(;sCom_Sto->Poll_Pgm >= Auto_Dir && *--(sCom_Sto->Poll_Pgm) != '/';)
X ;
X sCom_Sto->Poll_Pgm++;
X
/* obtain our sitename
X * */
X
X if ((gethostname(sCom_Sto->This_Site,MAXHOSTNAMELEN+1)) != 0) {
X fprintf(stderr,"%s: (W) hostname could not be obtained\n",
X sCom_Sto->called_as);
X Rc = (Rc >= WARNING) ? Rc:WARNING;
X }
X
/* obtain all known sitenames
X * */
X
X Rci = get_sites(sCom_Sto);
X Rc = Rci > Rc ? Rci:Rc;
X
/* check the arguments that we are called with
X * */
X
X Rci = get_args(argc, argv, sCom_Sto);
X Rc = Rci > Rc ? Rci:Rc;
X
X return (Rc);
}
X
/* --------------------------------------------------------------------
X * check all relevant arguments that have been passed to us. Those args
X * that may be needed for a recall will be copied to a workfield.
X * */
X
int get_args(int argc, char *argv[], struct Common_Stor *sCom_Sto) {
X
X int j = 0;
X int Rc = OK;
X int Rci = OK;
X
X strcpy(sCom_Sto->Single_Site,"");
X sCom_Sto->force_any = FALSE;
X sCom_Sto->one_site = FALSE;
X sCom_Sto->nodetach = FALSE;
X
X strcpy(sCom_Sto->call_args,AUTO_DIR); /* specify complete path to us */
X strcat(sCom_Sto->call_args," "); /* and separate by one space */
X for (j=1;j<argc;j++) {
X if (strcmp(argv[j],"--nodetach") == 0 ||
X strcmp(argv[j],"-D") == 0) {
X sCom_Sto->nodetach = TRUE;
X strcat(sCom_Sto->call_args,"-D ");
X continue;
X }
X if (strcmp(argv[j],"--force") == 0 ||
X strcmp(argv[j],"-f") == 0) {
X strcat(sCom_Sto->call_args,"-f ");
X sCom_Sto->force_any = TRUE;
X continue;
X }
X if (strcmp(argv[j],"--ifwork") == 0 ||
X strcmp(argv[j],"-C") == 0) {
X sCom_Sto->ifwork = TRUE;
X continue;
X }
X if ( strncmp(argv[j],"-s",2) == 0 ||
X strncmp(argv[j],"-S",2) == 0 ||
X strcmp(argv[j],"--system") == 0) {
X if (strncmp(argv[j],"-S",2) == 0)
X sCom_Sto->force_any = TRUE;
X
X if (strlen(argv[j]) == 2 || strcmp(argv[j],"--system") == 0) {
X j++;
X if (j>=argc) {
X fprintf(stderr,"%s: (E) System to call is missing\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X else {
X strcpy(sCom_Sto->Single_Site,argv[j]);
X Rci = Check_Site(sCom_Sto);
X if (! Rci) {
X sCom_Sto->one_site = TRUE; /* specific call */
X strcat(sCom_Sto->call_args,argv[j-1]);
X strcat(sCom_Sto->call_args," ");
X strcat(sCom_Sto->call_args,argv[j]);
X strcat(sCom_Sto->call_args," ");
X }
X }
X Rc = Rci <= Rc ? Rc:Rci;
X }
X else {
X strcpy(sCom_Sto->Single_Site,argv[j]+2);
X Rci = Check_Site(sCom_Sto);
X if (! Rci) {
X sCom_Sto->one_site = TRUE; /* specific call */
X strcat(sCom_Sto->call_args,argv[j]);
X strcat(sCom_Sto->call_args," ");
X }
X Rc = Rci <= Rc ? Rc:Rci;
X }
X continue;
X }
X strcat(sCom_Sto->call_args,argv[j]);
X strcat(sCom_Sto->call_args," ");
X } /* end copy all arguments */
X
X if (sCom_Sto->ifwork) {
X if (sCom_Sto->one_site) {
X strcat(sCom_Sto->call_args,"-C ");
X }
X else {
X fprintf(stderr,"%s: (W) no site given, '-C' option is ignored\n",
X sCom_Sto->called_as);
X sCom_Sto->ifwork = FALSE;
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X }
X
X if (! sCom_Sto->nodetach) {
X strcat(sCom_Sto->call_args,"-D ");
X }
X
X return (Rc);
}
X
/* --------------------------------------------------------------------
X * call uucico or whatever programm is necessary to get connected
X */
X
/* Start uucico and wait for completion. In case the return code is '0'
X * we're finished; otherwise we'll have to check the status files for any
X * non successful calls (retry time > 0).
X * Any such site will be called again at the current time plus any wait
X * Note:
X * If the '-D' or '--nodetach' option is missing, uucico will
X * detach immediate. The return-code is 0 in this case and therefore
X * we can't check whether the call is successful or not. No recall
X * is scheduled for such an invocation. If we however get control
X * to schedule a recall we silently add the '-D' option. To add
X * the '-D' option in any case may be undesirable for a specific
X * type of run.
X */
X
int Call_Cico(int argc, char *argv[], struct Common_Stor *sCom_Sto) {
X
X int W_Ret = 0;
X int pid = 0;
X int Rc = OK;
X struct timeval tcc;
X struct timezone tzcc;
X
X if ((gettimeofday(&tcc, &tzcc)) != 0) { /* unacceptable error */
X fprintf(stderr,"%s: (C) gettimeofday() failed. Reason: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X Rc = Rc >= CAT ? Rc:CAT;
X }
X
X if (Rc > WARNING) {
X return (Rc);
X }
X
X fflush(stderr);
X switch(pid = fork()) {
X case -1:
X fprintf(stderr,"%s: (C) could not fork(). Reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X return (CAT);
X case 0:
X if ((argv[0] = (char *)storage(strlen(sCom_Sto->Uucico)+1,"argv[0]",
X &Rc,sCom_Sto)) == NULL) {
X _exit (CAT);
X }
X strcpy(argv[0],sCom_Sto->Uucico); /* change name to be uucico */
X execve(Cico_Dir, argv, NULL);
X fprintf(stderr,"%s: (C) could not start %s. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,errno,strerror(errno));
X _exit (CAT); /* child: bail out */
X default:
X fprintf(stderr,"%s: (I) starting %s [%d]\n\n",
X sCom_Sto->called_as,sCom_Sto->Uucico,pid);
X fflush(stderr); /* maybe we come behind uucico's output */
X /* if any; it's a race condition */
X W_Ret = wait(sCom_Sto->W_Stat);
X if (sCom_Sto->W_Stat->w_termsig == 0) {
X if (sCom_Sto->W_Stat->w_retcode == 0) {
X fprintf(stderr,"%s: (I) %s [%d] ended normally\n",
X sCom_Sto->called_as,sCom_Sto->Uucico,pid);
X return (OK);
X }
X if (sCom_Sto->W_Stat->w_retcode != CAT) {
X fprintf(stderr,"%s: (I) %s's log may contain further information !\n",
X sCom_Sto->called_as,sCom_Sto->Uucico);
X fprintf(stderr,"\n%s: (W) %s [%d] ended with rc = %i\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,pid,
X sCom_Sto->W_Stat->w_retcode);
X return (Chk_Status(argc, argv,
X tcc, tzcc, sCom_Sto));
X }
X else
X return (CAT); /* we where unable to exec */
X }
X else {
X fprintf(stderr,"\n%s: (E) %s [%d] terminated by signal %i\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,
X pid,
X sCom_Sto->W_Stat->w_termsig);
X return (SEVERE);
X }
X } /* switch (pid = fork()) */
X return (OK); /* Never reached: silence the compiler */
}
X
X
/* --------------------------------------------------------------------
X * check the status after the call has completed and the return code
X * is > zero. The status is checked for all sites found via uuname or
X * for one site only (option -s, -S or --system given on call)
X */
X
int Chk_Status(int argc, char *argv[],
X struct timeval tcc,
X struct timezone tzcc,
X struct Common_Stor *sCom_Sto) {
X
/*
X * For all sites found in Site_Tab their status files will be checked.
X * The table scan will be bypassed for a call to a specific site.
X * If the call failed the wait period is > 0. We will schedule an at-job
X * to be run at the time found + the delta. In case we find an old entry
X * where the time + delta is lower than the current time we'll advance
X * the current time by 60 secs. and use that value instead.
X * In case we are invoked to call a specific site and either the -f option or
X * the site was given as -S... indicating to disregard any wait, we'll
X * use the time found in the status file increased by 120 secs.
*/
X
X FILE *infile;
X long secs, retries = 0;
X long add = 0;
X int errind = 0;
X int i = 0;
X int ecnt = 0;
X int recall_cnt = 0;
X char curr_site[MAXHOSTNAMELEN+11] = ""; /* keyword + sitename */
X bool schedule = TRUE; /* FALSE: no more rescheduling: unspec. + force */
X int Rc = WARNING; /* uucico got rc = 1 otherwise we were not here */
X int Rs = 0; /* uucico' reason code from .Status file */
X
/*
X * Note
X * We have to increase the sum of time and wait by at least one minute.
X * That is because this time denotes the earliest point *after* which
X * we may call again.
X * When a site is called at the wrong time the follwing actions are
X * taken: wait = 0 && ! force --> no further action (indicator: see log)
X * wait = 0 && force --> (W) message generated; no further action
X * wait > 0 && ! force --> normal scheduling at time + wait
X * wait > 0 && force --> normal scheduling at time+120 secs
X * We can't depend on the string "Wrong time to call" because the .Status
X * file may not be updated due to the -c switch. This may lead to a
X * situation where the site will be called over and over again while it's
X * still the wrong time. (No we don't want to go fishing for a message in
X * the uucp LOG!)
X * In case the -s, -S or --system option was given we will only
X * check that site and schedule a recall for it so far the
X * conditions are met.
X * In case the -C or --ifwork switch is given without naming a site a
X * the option is dropped and only an unspecific call is scheduled.
X * */
X
X if (sCom_Sto->one_site) {
X i = sCom_Sto->Single_Site_Tab;
X if (strncmp(sCom_Sto->Sitetab[i].name,
X sCom_Sto->Single_Site,
X sizeof(sCom_Sto->Single_Site)) != 0) {
X fprintf(stderr,"%s: (C) internal index-error (%d): %s found: %s\n",
X sCom_Sto->called_as,
X i,
X sCom_Sto->Single_Site,
X sCom_Sto->Sitetab[i].name);
X Rc = Rc >= CAT ? Rc:CAT;
X return (Rc); /* break unconditionally */
X }
X }
X
X for (i = sCom_Sto->Single_Site_Tab; i <= sCom_Sto->maxtab; i++) {
X sprintf(sCom_Sto->workf,"%s%s",STATUS_DIR,sCom_Sto->Sitetab[i].name);
X if ((infile=fopen(sCom_Sto->workf,"r")) == NULL) {
X ecnt++;
X fprintf(stderr,"%s: (W) no access to status file for: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= WARNING ? Rc:WARNING;
X if (sCom_Sto->one_site) {
X break;
X }
X else {
X continue;
X }
X }
X
X fscanf(infile,"%d %d %ld %ld",&errind,&retries,&secs,&add);
X fclose(infile);
X
X /*
X * in case the .Status file is not updated and we have a call to
X * a specific site we try to give some clues of what went wrong
X * (we won't succeed in any case!)
X */
X
X if (sCom_Sto->Sitetab[i].stat_lastcall == secs && sCom_Sto->one_site) {
X
X if (errind == 0 && retries == 0 && add == 0)
X break;
X
X if (errind > 0) {
X if (tcc.tv_sec <= (secs+add) && ! sCom_Sto->Sitetab[i].force) {
X fprintf(stderr,"%s: (W) retry time not reached for site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else {
X fprintf(stderr,"%s: (E) maybe port/site unavailable site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X }
X else {
X if (sCom_Sto->one_site) {
X fprintf(stderr,"%s: (E) unknown error for call to site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X }
X fprintf(stderr,"%s: (W) no recall scheduled for site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X break; /* bail out completely */
X }
X
X if (sCom_Sto->Sitetab[i].stat_lastcall == secs) {
X if (sCom_Sto->one_site)
X break;
X else
X continue;
X }
X
X Rs = OK; /* if Rs is > WARNING we won't schedule a recall */
X switch(errind) {
X case STATUS_COMPLETE:
X if (add != 0 || retries != 0) {
X fprintf(stderr,"%s: (E) unknown error for call to site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rs = Rs >= SEVERE ? Rs:SEVERE;
X }
X break;
X case STATUS_PORT_FAILED:
X fprintf(stderr,"%s: (E) port was unavailable site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X break;
X case STATUS_DIAL_FAILED:
X fprintf(stderr,"%s: (E) dail failed for site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X break;
X case STATUS_LOGIN_FAILED:
X fprintf(stderr,"%s: (E) login for site: %s failed\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rs = Rs >= SEVERE ? Rs:SEVERE;
X break;
X case STATUS_HANDSHAKE_FAILED:
X fprintf(stderr,"%s: (E) handshake failed site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X break;
X case STATUS_FAILED:
X fprintf(stderr,"%s: (E) invalid status after login site: %s \n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X break;
X case STATUS_TALKING:
X break;
X case STATUS_WRONG_TIME:
X fprintf(stderr,"%s: (W) it's the wrong time to call site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rs = Rs >= SEVERE ? Rs:SEVERE;
X break;
X default:
X fprintf(stderr,"%s: (E) unknown error for call to site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rs = Rs >= SEVERE ? Rs:SEVERE;
X break;
X }
X Rc = Rs > Rc ? Rs:Rc;
X if (Rs > WARNING) { /* schedule a recall ? */
X fprintf(stderr,"%s: (W) no recall scheduled for site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X if (sCom_Sto->one_site)
X break;
X else
X continue;
X }
X
X if (add == 0) {
X fprintf(stderr,"%s: (W) no delay found for site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X
X
X if (! schedule) {
X recall_cnt += 1;
X continue; /* scheduling already done: unspec. + force */
X }
X if ((gettimeofday(&sCom_Sto->tp, &sCom_Sto->tzp)) != 0) {
X fprintf(stderr,"%s: (C) gettimeofday() failed. Reason: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X fclose(infile);
X Rc = Rc >= CAT ? Rc:CAT;
X break; /* break unconditionally */
X }
X
X if (sCom_Sto->force_any || sCom_Sto->Sitetab[i].force) {
X add = secs + 120; /* shorten the wait */
X }
X else { /* ! force */
X
/*
X * check for an already scheduled recall. For we don't keep
X * a file of already scheduled recalls the only way to recognize
X * this, is to check the current time against that of the .Stats file.
X * In case the current time is >= the .Stats-time + n-secs fuzz value
X * we assume (99.99% correctness) that we have already scheduled a recall
X * for this site. If this assumption is incorrect a call will be
X * scheduled on the next unspecific failing call. This check can't
X * be done for forced call because the .Stats will be updated.
X */
X if (sCom_Sto->tp.tv_sec >= secs+2) {
X fprintf(stderr,"%s: (W) Retry time not reached for site: %s\n",
X sCom_Sto->called_as,
X sCom_Sto->Sitetab[i].name);
X Rc = Rc >= WARNING ? Rc:WARNING;
X if (sCom_Sto->one_site)
X break;
X else
X continue;
X }
X add += secs + 60; /* if not force then take the full wait */
X } /* force */
X
X if (sCom_Sto->tp.tv_sec >= add) {
X add = sCom_Sto->tp.tv_sec + 60; /* time < current time */
X }
X
X sscanf(ctime(&add),"%*s %s %d %d:%d:%d",sCom_Sto->mon,
X &sCom_Sto->day,
X &sCom_Sto->hh,
X &sCom_Sto->mm,
X &sCom_Sto->ss);
X
X sprintf(sCom_Sto->oname,"/tmp/at.%d.%02d%02d%02d",sCom_Sto->our_pid,
X sCom_Sto->hh,
X sCom_Sto->mm,
X sCom_Sto->ss);
X if (! sCom_Sto->one_site) {
X strcpy(curr_site,"-s");
X strcat(curr_site,sCom_Sto->Sitetab[i].name);
X }
X
X /*
X * If 'onesite' is FALSE and 'force' is TRUE
X * we will reschedule one unspecific call an let UUCICO decide
X * which site should be called (is there any work?)
X */
X
X if ( ! sCom_Sto->one_site && sCom_Sto->force_any) {
X recall_cnt += 1;
X schedule = FALSE;
X continue;
X }
X strcat(sCom_Sto->call_args,curr_site);
X Rs = start_at(sCom_Sto->Sitetab[i].name, sCom_Sto);
X Rc = Rs >= Rc ? Rs:Rc;
X unlink(sCom_Sto->oname);
X if (Rc > SEVERE || sCom_Sto->one_site)
X break;
X } /* for (i = Single_Site_Tab; ...) */
X
X if (ecnt > sCom_Sto->maxtab) {
X fprintf(stderr,"%s: (E) no access to status files; no scheduling done\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X else {
X if (! schedule) {
X if (recall_cnt == 1) {
X strcat(sCom_Sto->call_args,curr_site);
X }
X Rs = start_at("any site", sCom_Sto);
X Rc = Rs >= Rc ? Rs:Rc;
X unlink(sCom_Sto->oname);
X }
X }
X return (Rc);
}
X
X /*
X *
X */
X
int start_at(char *site, struct Common_Stor *sCom_Sto) {
X
FILE *outfile;
int W_Ret = 0;
int Rc = OK;
int pid = 0;
X
/*
X * if we can't open the workfile to be passed to AT we'll abandon
X * this site and set the rc accordingly
X * */
X
X if ((outfile=fopen(sCom_Sto->oname,"w")) == NULL) {
X fprintf(stderr,"%s: (E) could not open workfile %s. No scheduling for: %s\n",
X sCom_Sto->called_as,
X sCom_Sto->oname,
X site);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X fclose(outfile);
X unlink(sCom_Sto->oname);
X return (Rc); /* bail out here */
X }
X sprintf(sCom_Sto->jname,"at.%d.%02d%02d%02d",sCom_Sto->our_pid,
X sCom_Sto->hh,
X sCom_Sto->mm,
X sCom_Sto->ss);
X fprintf(outfile,"%s \n",sCom_Sto->call_args);
X sprintf(sCom_Sto->tstr,"%02d%02d",sCom_Sto->hh,
X sCom_Sto->mm);
X sprintf(sCom_Sto->ctag,"%d",sCom_Sto->day);
X fclose(outfile);
X if ((chmod(sCom_Sto->oname,00644)) != 0) {
X fprintf(stderr,"%s: (W) chmod to %s failed. Reason_code: %i (%s)\n",
X sCom_Sto->called_as,
X sCom_Sto->oname,
X errno,
X strerror(errno));
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X
X switch (pid = fork()) {
X case -1:
X fprintf(stderr,"%s: (C) could not fork(). Reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X return (Rc >= CAT ? Rc:CAT);
X case 0:
X if (*at_opt == '\0')
X execlp(at_cmd, at_cmd, sCom_Sto->tstr,
X sCom_Sto->mon, sCom_Sto->ctag,
X sCom_Sto->oname, 0);
X else
X execlp(at_cmd, at_cmd, at_opt, sCom_Sto->tstr,
X sCom_Sto->mon, sCom_Sto->ctag,
X sCom_Sto->oname, 0);
X
X fprintf(stderr,"%s: (C) could not start AT-cmd. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,
X errno,strerror(errno));
X _exit (CAT); /* child: bail out */
X default:
X fprintf(stderr,"%s: (I) at [%d] started. Job name: %s\n",
X sCom_Sto->called_as,
X pid,
X sCom_Sto->jname);
X W_Ret = wait(sCom_Sto->W_Stat);
X if (sCom_Sto->W_Stat->w_termsig == 0) {
X if (sCom_Sto->W_Stat->w_retcode != 0) {
X if (sCom_Sto->W_Stat->w_retcode != CAT) {
X fprintf(stderr,"%s: (E) at-cmd failed for some reason\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X else {
X Rc = Rc >= CAT ? Rc:CAT;
X }
X
X fprintf(stderr,"%s: (I) at [%d] ended with rc = %i\n",
X sCom_Sto->called_as,
X pid,
X sCom_Sto->W_Stat->w_retcode);
X /* bail out in case wait returned > SEVERE */
X if (Rc > SEVERE) {
X return (Rc);
X }
X }
X else {
X fprintf(stderr,"%s: (I) at-cmd [%d] ended normally\n",
X sCom_Sto->called_as,
X pid);
X }
X }
X else {
X fprintf(stderr,"%s: (E) at [%d] terminated by signal %i\n",
X sCom_Sto->called_as,
X pid,
X sCom_Sto->W_Stat->w_termsig);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X } /* switch (pid = fork()) */
X return (Rc);
}
/* -----------------------------------------------------------------
X * check the site passed via -s or -S option to be a valid one and
X * not to be our hostname.
X * */
X
int Check_Site(struct Common_Stor *sCom_Sto) {
X
X int i,j = 0;
X sCom_Sto->Single_Site_Tab = 0;
X if (strcmp(sCom_Sto->Single_Site,sCom_Sto->This_Site) == 0) {
X fprintf(stderr,"%s: (E) won't call *ourself* %s\n",
X sCom_Sto->called_as,sCom_Sto->Single_Site);
X return(SEVERE);
X }
X for(i=0;i<=sCom_Sto->maxtab;i++) {
X if ((j=strcmp(sCom_Sto->Sitetab[i].name,sCom_Sto->Single_Site)) >= 0) {
X break;
X }
X }
X if (j != 0) {
X fprintf(stderr,"%s: (E) unknown site: %s\n",
X sCom_Sto->called_as,sCom_Sto->Single_Site);
X return(SEVERE);
X }
X sCom_Sto->Single_Site_Tab = i;
X sCom_Sto->Sitetab[i].flag = TRUE;
X if (sCom_Sto->force_any) {
X sCom_Sto->Sitetab[i].force = TRUE;
X sCom_Sto->force_any = FALSE;
X }
X return(OK);
}
X
X /* ------------------------------------------------------------------
X * storage - get some memory
X */
X
void *storage(unsigned count,
X char *location,
X int *Rc,
X struct Common_Stor *sCom_Sto)
{
X void *p;
X
X if( NULL == (p= malloc(count)) ) {
X fprintf(stderr,"%s: (C) malloc failed (%s). Reason: %i (%s)\n",
X sCom_Sto->called_as,location,errno,strerror(errno));
X *Rc = *Rc >= CAT ? *Rc:CAT;
X }
X return p;
}
X
/* ------------------------------------------------------------------
X * if defined open the message log file otherwise all mesages will go
X * to stderr. If UNAME_DIR is defined construct the command to be
X * passed to popen(); if undefined the deafult will be used
X * */
X
int set_mlog(FILE **seclog, struct Common_Stor *sCom_Sto) {
X
X int Rc = 0;
X
#ifdef ALOG_FILE
X if (!isatty(0)) {
X if ((freopen(Msg_Log,"a",stderr)) == NULL) {
X fprintf(stdout,"%s: (C) Could not open msglog: %s\n",
X sCom_Sto->called_as,Msg_Log);
X return (Rc >= CAT ? Rc:CAT);
X }
X }
X else {
X if ((*seclog = fopen(Msg_Log,"a")) == NULL) {
X fprintf(stderr,"%s: (C) Could not open msglog: %s\n",
X sCom_Sto->called_as,Msg_Log);
X return (Rc >= CAT ? Rc:CAT);
X }
X }
#endif /* ALOG_FILE */
X
/* set up the pipe together with the complete path to uuname */
X
#ifdef UNAME_DIR
X if ((sCom_Sto->Usort = (char *)storage (sizeof(UNAME_DIR)+sizeof(subcmd),
X "Sort",&Rc, sCom_Sto)) != NULL) {
X strncpy(sCom_Sto->Usort,UNAME_DIR,strlen(UNAME_DIR)); /* paste in the path */
X strcat(sCom_Sto->Usort,subcmd); /* chain the pipe to it */
X }
#else /* ! UNAME_DIR */
X sCom_Sto->Usort = &Sort; /* set pointer to uuname + sort */
#endif /* UNAME_DIR */
X
X return (Rc);
}
X
/* ------------------------------------------------------------------
X * obtain all active sitenames
X * */
X
int get_sites(struct Common_Stor *sCom_Sto) {
X
X int i = 0;
X int n;
X int Rc = 0;
X FILE *infile, *statsfile;
X
X if ((infile=popen(sCom_Sto->Usort,"r")) != NULL) {
X while(fgets(sCom_Sto->Sitetab[i].name,MAXHOSTNAMELEN+1,infile)) {
X if (i > SITE_MAX) { /* let'm run so that we can give */
X i++; /* the user some guidance */
X continue; /* we'll tell the user later on */
X }
X n = strlen(sCom_Sto->Sitetab[i].name)-1; /* offset: next to last char */
X sCom_Sto->Sitetab[i].name[n] = '\0'; /* strip trailing newline */
X sCom_Sto->Sitetab[i].flag = FALSE; /* TRUE: poll this site only*/
X sCom_Sto->Sitetab[i].force = FALSE; /* TRUE: force call */
X strcpy(sCom_Sto->Sitetab[i].grade,sCom_Sto->Grade);
X sprintf(sCom_Sto->workf,"%s%s",STATUS_DIR,sCom_Sto->Sitetab[i].name);
X if ((statsfile=fopen(sCom_Sto->workf,"r")) == NULL) {
X fprintf(stderr,"%s: (W) no access to status file for: %s\n",
X sCom_Sto->called_as,sCom_Sto->Sitetab[i].name);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else {
X fscanf(statsfile,"%d %d %ld %ld %s",
X &sCom_Sto->Sitetab[i].stat_code,
X &sCom_Sto->Sitetab[i].stat_retries,
X &sCom_Sto->Sitetab[i].stat_lastcall,
X &sCom_Sto->Sitetab[i].stat_delay,
X sCom_Sto->workf);
X
X fclose(statsfile);
X if ((sCom_Sto->Sitetab[i].stat_errtext =
X (char *)storage (sizeof(sCom_Sto->workf),
X "stat_errtext",&Rc, sCom_Sto)) == NULL) {
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else
X strcpy(sCom_Sto->Sitetab[i].stat_errtext,sCom_Sto->workf);
X }
X sCom_Sto->maxtab = i++; /* set high-water-mark */
X }
X if (ferror(infile) != 0) {
X fprintf(stderr,"%s: (E) fgets() for sitenames failed reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X pclose(infile);
X
X /*
X * check for an empty table (strange but possible)
X */
X
X if (sCom_Sto->maxtab == 0) {
X fprintf(stderr,"%s: (E) could not obtain sitenames.\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X else {
X
X /* in case the internal table overflows we'll now give notice and tell
X * the user by which amount the table has to be increased to hold all
X * site-names
X */
X
X if (i > SITE_MAX) {
X fprintf(stderr,"%s: (E) number of sites > internal tab\n",
X sCom_Sto->called_as);
X fprintf(stderr,"%s: (E) increase SITE_MAX to >= %d and recompile\n",
X sCom_Sto->called_as,i);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X } /* sCom_Sto->maxtab == 0 */
X
X }
X else /* infile == NULL */
X {
X fprintf(stderr,"%s: (E) could not sort sitenames. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X
X } /* if ((infile=popen(sCom_Sto->Usort,"r")) ... */
X
X return (Rc);
}
SHAR_EOF
chmod 0444 uupoll/autopoll.c ||
echo 'restore of uupoll/autopoll.c failed'
Wc_c="`wc -c < 'uupoll/autopoll.c'`"
test 44031 -eq "$Wc_c" ||
echo 'uupoll/autopoll.c: original size 44031, current size' "$Wc_c"
fi
# ============= uupoll/conf.h ==============
if test -f 'uupoll/conf.h' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/conf.h (File already exists)'
else
echo 'x - extracting uupoll/conf.h (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/conf.h' &&
#ifndef CONF
X #define CONF
X
/* $Id: conf.h,v 1.9 1994/04/14 17:24:58 kdburg Rel $ */
/* $Log: conf.h,v $
X * Revision 1.9 1994/04/14 17:24:58 kdburg
X * added comment to the AT_OPTION
X *
X * Revision 1.8 1994/03/26 17:41:06 kdburg
X * the location of uuname can now be specified. This was added due to
X * the fact that cron (NeXT 3.2 and +) now obeys the path that was active
X * during boot (either /.path or set within /etc/rc) so autopoll/uupoll
X * always got the wrong uuname when called direct fron cron. This is
X * not true when called via a script that does a 'su - user -c ...'
X *
X * Revision 1.7 1993/06/26 16:21:47 kdburg
X * default location for logfiles changed
X *
X * Revision 1.6 1993/05/14 22:32:05 kdburg
X * change to HAVE_SPOOLDIR_TAYLOR
X *
X * Revision 1.5 1993/05/09 13:16:53 kdburg
X * make have-autopoll the default
X *
X * Revision 1.4 1993/05/08 23:17:34 kdburg
X * cleanup and to reflect changes made to autopoll/uupoll
X *
X * Revision 1.3 1993/04/29 10:46:34 kdburg
X * added def for STATUS_DIR
X *
X * Revision 1.2 1993/04/27 15:31:47 kdburg
X * rearranged the defs; changed LOG_DIR to ALOG_DIR in case uupoll
X * will have one too; we need then eventually 2 different dirs.
X *
X * Revision 1.1 1993/04/26 21:20:12 kdburg
X * Initial revision
X * */
X
/* --------- combined config file for uupoll and autopoll */
/* --------- change the following defines to meet your needs */
X
/* define the default grade to be inserted into the pollfile name */
#define DEF_GRADE "A"
X
/* Define the complete path to the uuname program.
X * If undefined we'll use just the name 'uuname' to call it
X * */
#define UNAME_DIR "/usr/local/bin/uuname"
X
/* define the path to the directory which does contain uucico */
#define CICO_DIR "/usr/local/lib/uucp/uucico"
X
/* define the path to the directory which holds all the uucp files.
X * We'll place the poll file in one of it's subdirectories
X * */
#define SPOOL_DIR "/usr/spool/uucp"
X
/* at least one of the follwing must be defined To use the second or
X * third set of definitions, change the ``#if 1'' to ``#if 0''
X * and change the appropriate ``#if 0'' to ``#if 1''.
X * */
#if 0
#define HAVE_SPOOLDIR_BSD
#endif
#if 0
#define HAVE_SPOOLDIR_HDB
#endif
#if 1
#define HAVE_SPOOLDIR_TAYLOR
#endif
X
/* define the maximum number of sites in your config or L.sys */
#define SITE_MAX 100
X
/* define the path to the directory which is to contain the
X * message log created by uupoll and the file name itself.
X * change the ``#if 1'' to ``#if 0'' to have the messages on stderr
X * */
#if 1
#define ULOG_FILE "/Logfiles/poll.log"
#endif
X
/* change if to 0 if you don't have autopoll installed. */
#if 1
#define AUTO_POLL
#endif
X
/* The following defs are irrelevant if you don't have autopoll */
X
/* define the options to be given to the at cmd (-s -c -m). The default
X * is shown (use csh and send mail after execution) if AT_OPTION is
X * undefined
X * */
#define AT_OPTION "-mc"
X
/* Define the complete path to the autopoll program.
X * This will assure that we get the one we want
X * The path must be the same as given in Makefile (lbindir)
X * */
#define AUTO_DIR "/usr/local/lib/uucp/autopoll"
X
/* define the path to the directory which is to contain the
X * message log created by autopoll and the file name itself.
X * change the ``#if 1'' to ``#if 0'' to have the messages on stderr
X * */
#if 1
#define ALOG_FILE "/Logfiles/poll.log"
#endif
X
/* define the full path to the directory which holds the status files
X * The name should be given *except* the sitename. A trailing `/' if any
X * must be given.
X * Example: /usr/spool/uucp/.Status/sys.sitename
X * then specify STATUS_DIR as
X * "/usr/spool/uucp/.Status/sys."
X * */
#define STATUS_DIR "/usr/spool/uucp/.Status/"
#endif
SHAR_EOF
chmod 0444 uupoll/conf.h ||
echo 'restore of uupoll/conf.h failed'
Wc_c="`wc -c < 'uupoll/conf.h'`"
test 3884 -eq "$Wc_c" ||
echo 'uupoll/conf.h: original size 3884, current size' "$Wc_c"
fi
# ============= uupoll/uupoll.8c ==============
if test -f 'uupoll/uupoll.8c' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/uupoll.8c (File already exists)'
else
echo 'x - extracting uupoll/uupoll.8c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/uupoll.8c' &&
.\" Copyright (c) 1986 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\"
.\" @(#)uupoll.8c 6.1 (Berkeley) 4/24/86
.\" @(#)uupoll.8c 1.11 (incoahe) 5/09/1993
.\"
.TH UUPOLL 8C "Mai 09, 1993"
.UC 6
.SH NAME
uupoll \- poll a remote \s-1UUCP\s+1 site
.SH SYNOPSIS
.B uupoll
[
.BI \-g grade
] [
.B \-n
] [
.B \-x
]
.I system ... ...
.SH SUMMARY
This version of
.IR uupoll
can be used to fully replace the vendor supplied
.IR uupoll
that comes with the NeXTStep OS. The original version (up to 3.1) had a
X bug in that
X an unknown site given as argument would yield in a `Bus error' condition.
Using any other type of UUCP like Taylor-UUCP with the option of having
a different file structure as well as a different L.sys will therefore
make it necessary to do maintenance to the (unused) L.sys as well to keep
.IR uupoll
going. This one has been programmed from scratch due to the fact that no
source code was available. Some enhancements have been incorporated into
this version:
.PP
\- the default grade may now be compiled different from `A'.
.PP
\- the options may now be given in any order and the \-g option may be given
more than once. Any option will be used immediately when encountered and
will stay in effect unless reset; this does not apply to the \-x and \-n
option which can't be reset. The processing of options is guaranteed to be
from left to right so that some grouping may be achieved (see below).
.PP
\-
.IR uupoll
may be used to call any program instead of
.IR uucico
namely
.IR autopoll
to ease the task of rescheduling a failed call.
.SH DESCRIPTION
.I Uupoll
is used to force a poll of a remote system. It queues a null job for the
remote system, unless the \-x option has been given, and then invokes
either
.IR uucico (8C)
or
.IR autopoll (8C)
or any other program depending on how
.IR uupoll
is customized. If used in conjunction with
.IR autopoll
the latter will then invoke
.IR uucico.
.SH OPTIONS
The following options are available:
.TP 8
.BI \-g grade
Only send jobs of grade
.I grade
or higher on this call. The
.I grade
stays in effect until it is changed by a different \-g option.
.TP 8
.B \-n
Queue the null job, but do not invoke the program that actually calls
the named site(s).
The \-n option once given will apply to all sites following to the
.IR right
of it.
.TP 8
.B \-x
Do not place a null job for all following sites. This option must be given
before the \-n option. The \-n option will nullify this. Any grade in effect
will not be honored because
.I uucico (Taylor)
does not carry the \-g option at the moment.
.PP
.I Uupoll
is usually run by
.IR cron (5)
or by a user who wants to hurry a job along. A typical entry in
.I crontab
could be:
.PP
.nf
X 0 0,8,16 * * * uucp /usr/bin/uupoll ihnp4
X 0 4,12,20 * * * uucp /usr/bin/uupoll ucbvax
.fi
This will poll
.B ihnp4
at midnight, 0800, and 1600, and
.B ucbvax
at 0400, noon, and 2000.
.PP
If the local machine is already running
.I uucico
every
hour and has a limited number of outgoing modems, a better approach
might be:
.PP
.nf
X 0 0,8,16 * * * uucp /usr/bin/uupoll -n ihnp4
X 0 4,12,20 * * * uucp /usr/bin/uupoll -n ucbvax
X 5 * * * * uucp /usr/lib/uucp/uucico -r1 -D -C
.fi
This will queue null jobs for the remote sites at the top of the hour; they
will be processed by
.I uucico
when it runs five minutes later (the -C option apply to Taylor
uucp-1.05 only, the -D option applies to Talor uucp-1.04 and up)
.SH EXTENDED options
An example of the options and how they interact is given below. The working
order while processing the options is left to right:
.nf
X uupoll -gC site1 -gB site2 -x site3 -n -gA site4 site5
.fi
.PP
this poll will:
.PP
- call immediate site1 with grade C or higher and will place a null job
.PP
- call immediate site2 with grade B or higher and will place a null job
.PP
- call immediate site3 with grade B or higher without placing a null job
.PP
- just placing a null job for site4 and site5 with grade A or higher. These
sites will be called at the next regular schedule.
.SH BUGS
When more than one site is given on the command line and no \-n option is
given there will be an immediate invocation of
.IR uucico
or
.IR autopoll
for
.IR all
sites given. That may lead to a `No port available' condition.
.SH FILES
.ta \w'/usr/spool/uucp/ 'u
.nf
/etc/uucp/ UUCP internal files/utilities
/usr/spool/uucp/ Spool directory
/tmp/poll.log This file is present only if uupoll has been
X compiled to place the messages into a file.
X Otherwise all messages will go to stderr.
X The directory as well as the name may be
X different. The name may be defined at compile time.
.fi
.SH SEE ALSO
uucp(1C), uux(1C), uucico(8C), autopoll(8C)
SHAR_EOF
chmod 0444 uupoll/uupoll.8c ||
echo 'restore of uupoll/uupoll.8c failed'
Wc_c="`wc -c < 'uupoll/uupoll.8c'`"
test 4787 -eq "$Wc_c" ||
echo 'uupoll/uupoll.8c: original size 4787, current size' "$Wc_c"
fi
# ============= uupoll/uupoll.c ==============
if test -f 'uupoll/uupoll.c' -a X"$1" != X"-c"; then
echo 'x - skipping uupoll/uupoll.c (File already exists)'
else
echo 'x - extracting uupoll/uupoll.c (Text)'
sed 's/^X//' << 'SHAR_EOF' > 'uupoll/uupoll.c' &&
/* ---------------------------------------------------------------------------*
X
X Name: uupoll
X
X Author: Klaus Dahlenburg <kdburg@incoahe.hanse.de>
X
X Status: Public domain
X
X Copyright: none
X
X Funktion: The main intention behind this program was to get a full
X replacement of the uupoll supplied by NeXT when using an
X UUCP or a file structure that is different from that hardwired
X config in NeXT's uupoll. The lack of source made it impossible
X to modify the supplied uupoll.
X
X Call: uupoll [-n] [-x] [-g[A | 0-9,A-Z,a-z]] site ...
X
X -n just place a poll file but do not call uucico;
X This option can be given only once.
X -x meaningful only for sites not affected by the -n
X option. It prevents the creation of a poll file;
X the default is to place one. In case the poll fails
X there will be no attempt to poll those sites on
X the next general (unspecific) poll. If using
X autopoll the site will be called at the next + 1
X run of autopoll.
X -g any grade may be given to meet the criteria for
X a successful poll. The default being specified
X in conf.h (A).
X This option may be given individually for each
X site to call.
X site the name of the site to be called. As many sites
X as necessary may be specified separated by at least
X one blank.
X Note: any site will be called with the options currently in
X effect. The working order is left to right. Example:
X uupoll -gQ site1 site2 -gZ site3 -n site4
X site1 and site2 will be called immediate with grade Q
X site3 will be called immediate with grade Z. Site4 will
X have a poll file created with grade Z.
X
X Environment: NeXT 2.1
X
X Called Programs: sort, uniq, uucico (or autopoll), uuname
X
X Compile: no special options are needed
X
X Comments: - should run setuid UUCP or whatever userid is necessary to
X write to the spool directory with the proper ownership of
X the files and to run uucico.
X - No alias expansion is done on the given names.
*/
X
#if !defined(lint)
static char rcsid[] = "$Id: uupoll.c,v 2.7 1994/04/14 17:22:04 kdburg Rel $";
#endif /* not lint */
X
/* $Log: uupoll.c,v $
X * Revision 2.7 1994/04/14 17:22:04 kdburg
X * major rework done
X *
X * Revision 2.6 1994/03/26 17:38:41 kdburg
X * added support for UNAME_DIR; cleanup of some code; adjusted code after
X * obtaining sitenames via popen()
X *
X * Revision 2.5 1994/03/24 19:01:24 kdburg
X * some minor changes; some calls had their rc not checked
X *
X * Revision 2.4 1993/07/08 07:56:26 kdburg
X * befor invoking autopoll stdin is now closed to avoid blocking of
X * terminal
X *
X * Revision 2.3 1993/07/05 19:43:00 kdburg
X * when used interactivly only the start msg is put into the msg-log
X * so far defined (UULOG)
X *
X * Revision 2.2 1993/05/20 18:50:52 kdburg
X * no execute permission to the poll-pgm (uucico/autopoll) was not
X * reflected in the log; when to start message was not given when -x
X * option was present
X *
X * Revision 2.1 1993/05/16 21:48:15 kdburg
X * changed exit() to _exit() in case the exec fails within child
X *
X * Revision 2.0 1993/05/16 14:11:04 kdburg
X * initial revision
X * */
X
#define CAT 16
#define SEVERE 8
#define WARNING 4
#define OK 0
#define P_MODE 00647 /* file-mode for poll-file */
/* Boolean types */
typedef int bool;
#undef TRUE
#undef FALSE
#define TRUE (1)
#define FALSE (0)
X
#include "conf.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <sys/file.h>
#include <sys/param.h>
#include <pwd.h>
#include <sys/time.h>
X
#define X_OK 1 /* access: executable ? */
X
#ifdef ALOG_FILE
X static char Msg_Log[] = ALOG_FILE; /* name of msglog filename */
#endif
X
#ifdef UNAME_DIR
X static char subcmd[] = " | sort | uniq"; /* pipe that follows uuname */
#else /* ! UNAME_DIR */
X static char Sort[] = "uuname | sort | uniq"; /* default to obtain site names */
#endif /*UNAME_DIR */
X
static char cGrade[] = DEF_GRADE; /* grade as defined in conf.h */
static char dGrade[] = "A"; /* use this if DEF_GRADE is invalid */
#ifdef AUTO_POLL
X static char Auto_Dir[] = AUTO_DIR; /* autopoll lives here */
#else
X static char Cico_Dir[] = CICO_DIR; /* and here lives cico */
#endif /* AUTO_POLL */
X
struct Sites {
X char name[MAXHOSTNAMELEN+1]; /* name of site as supplied by uuname */
X char grade[1]; /* as passed or defaulted */
X bool flag; /* TRUE this site should be polled */
X int asap; /* 1 without -n; 2 with -x option */
};
X struct Common_Stor {
X int maxtab; /* high-water-mark for site tab */
X char *Grade; /* use this as grade for calls */
X char *Poll_Pgm; /* our name without path */
X char *called_as; /* but called by this name */
X int our_pid; /* our process-id */
X char *Uucico; /* cico's name without path */
X char This_Site[MAXHOSTNAMELEN+1]; /* our site name */
X char System[MAXHOSTNAMELEN+1]; /* intermediate to hold sitename */
X char *Usort; /* will hold uuname + subcmd */
X struct passwd *pwd;
X struct timeval tp;
X struct timezone tzp;
X struct Sites Sitetab[SITE_MAX];
X char workf[300];
X };
X
/* define the prototypes
X * */
X
int set_mlog(FILE **seclog, struct Common_Stor *);
int get_sites(struct Common_Stor *);
int Check_Args(int argc, char *argv[], struct Common_Stor *);
int Housekeeping(int argc, char *argv[], struct Common_Stor *);
int Call_Site(struct Common_Stor *);
void *storage(unsigned count, char *errloc, int *Rc, struct Common_Stor *);
X
extern int getpid();
extern void free(void *ptr);
extern int access(char *path, int mode);
extern int gethostname(char *name, int namelen);
extern int system(char *cmd);
extern int fork();
extern int execlp(char *name, char *arg0, ...);
extern void *malloc(size_t byteSize);
extern int getuid();
extern int isatty(int);
extern char *ttyname(int);
extern int open(char *path, int flags, int mode);
extern int close(int fd);
#ifdef __STRICT_ANSI__
extern FILE *popen(char *command, char *type);
extern int pclose(FILE *stream);
extern void _exit(int status);
#endif /* __STRICT_ANSI__ */
#ifdef __STRICT_BSD__
extern int fprintf(FILE *stream, const char *format, ...);
extern int fclose(FILE *stream);
extern char *strerror(int errnum);
extern int fflush(FILE *stream);
extern void exit(int status);
#endif /* __STRICT_BSD__ */
X
/* --------------------------------------------------------------------------*/
/* Main */
/* --------------------------------------------------------------------------*/
X
int main(int argc, char *argv[])
{
X
X struct Common_Stor *sCom_Sto;
X int Maxrc = OK; /* Max err-code encountered so far */
X int k = 0;
X
X if ( NULL == (sCom_Sto = malloc(sizeof(struct Common_Stor))) ) {
X fprintf(stderr,"%s: (C) malloc failed (%s). Reason: %i (%s)\n",
X argv[0],"Common_Stor",errno,strerror(errno));
X exit (CAT);
X }
X
X Maxrc = Housekeeping(argc, argv, sCom_Sto);
X
/* If any errors popped up so far they are of such a nature that it is very
X * questionable to continue; so we better bail out in this case.
X */
X if (Maxrc <= WARNING) {
X k = Call_Site(sCom_Sto);
X Maxrc = Maxrc >= k ? Maxrc:k;
X }
X k = gettimeofday(&sCom_Sto->tp, &sCom_Sto->tzp);
X fprintf(stderr,"%s: (I) ended with rc = %i on %s\n",
X sCom_Sto->called_as,
X Maxrc,k!=0 ? "time unavailable":ctime(&sCom_Sto->tp.tv_sec));
X fclose(stderr);
X free(sCom_Sto);
X sCom_Sto = NULL;
X exit (Maxrc);
}
X
/* --------------------------------------------------------------------------*/
/* Functions */
/* --------------------------------------------------------------------------*/
X
/* --------------------------------------------------------------------
X * housekeeping
X */
X
int Housekeeping(argc, argv, sCom_Sto)
X int argc;
X char *argv[];
X struct Common_Stor *sCom_Sto; {
X
X FILE *seclog = NULL;
X int Rc = OK;
X int Rci = OK; /* intermediate rc as returnd by functions */
X
X sCom_Sto->our_pid = getpid();
X
/*
X * get our name sans path
X * */
X
X sCom_Sto->called_as = argv[0] + strlen(*argv);
X for(;sCom_Sto->called_as >= argv[0] && *--sCom_Sto->called_as != '/';)
X ;
X sCom_Sto->called_as++;
X
/* if defined set up the name of the message log file otherwise
X * stderr will be used. Setup the cmd string to obtain all known sitenames
X * which will be sorted in ascending order with duplicates removed
X * */
X
X Rc = set_mlog(&seclog, sCom_Sto);
X if (Rc > WARNING)
X return (Rc);
X
/* put out the started message including the time and the userid.
X * */
X
X sCom_Sto->pwd = getpwuid(getuid());
X
X if ((gettimeofday(&sCom_Sto->tp, &sCom_Sto->tzp)) != 0) { /* unacceptable error */
X fprintf(stderr,"%s: (C) gettimeofday() failed. Reason: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X return (Rc >= CAT ? Rc:CAT);
X }
X
X if (seclog != NULL) {
X fprintf(seclog,"\n%s: (I) started by `%s' (%s) on %s",
X sCom_Sto->called_as,
X (sCom_Sto->pwd==NULL) ? "???":sCom_Sto->pwd->pw_name,
X ttyname(0),
X ctime(&sCom_Sto->tp.tv_sec));
X fclose(seclog);
X }
X fprintf(stderr,"\n%s: (I) started by `%s' on %s",
X sCom_Sto->called_as,
X (sCom_Sto->pwd==NULL) ? "???":sCom_Sto->pwd->pw_name,
X ctime(&sCom_Sto->tp.tv_sec));
X
/* set up the default grade
X * */
X
X sCom_Sto->Grade = dGrade; /* set default for now */
X if (strlen(cGrade) != 1) {
X fprintf(stderr,"%s: (W) grade %s invalid; default `%s' used\n",
X sCom_Sto->called_as,cGrade,sCom_Sto->Grade);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else
X sCom_Sto->Grade = cGrade; /* Ok, take the one from conf.h */
X
/* get the program to actually call the site. This is either UUCICO
X * or AUTOPOLL or something completely different.
X * */
X
#ifdef AUTO_POLL
X sCom_Sto->Uucico = Auto_Dir + strlen(Auto_Dir);
X for(;sCom_Sto->Uucico >= Auto_Dir && *--sCom_Sto->Uucico != '/';)
X ;
X sCom_Sto->Uucico++;
#else /* ! AUTO_POLL */
X sCom_Sto->Uucico = Cico_Dir + strlen(Cico_Dir);
X for(;sCom_Sto->Uucico >= Cico_Dir && *--sCom_Sto->Uucico != '/';)
X ;
X sCom_Sto->Uucico++;
#endif /* AUTO_POLL */
X
/* get the path to ourself.
X * */
X
X sCom_Sto->Poll_Pgm = argv[0] + strlen(argv[0]);
X for(;sCom_Sto->Poll_Pgm >= argv[0] && *--(sCom_Sto->Poll_Pgm) != '/';)
X ;
X sCom_Sto->Poll_Pgm++;
X
/* obtain our sitename
X * */
X
X if ((gethostname(sCom_Sto->This_Site,MAXHOSTNAMELEN+1)) != 0) {
X fprintf(stderr,"%s: (W) hostname could not be obtained\n",
X sCom_Sto->called_as);
X Rc = (Rc >= WARNING) ? Rc:WARNING;
X }
X
/* obtain all known sitenames
X * */
X
X Rci = get_sites(sCom_Sto);
X Rc = Rci > Rc ? Rci:Rc;
X
/* check the arguments that we are called with
X * */
X
X Rci = Check_Args(argc, argv, sCom_Sto);
X Rc = Rci > Rc ? Rci:Rc;
X
X return (Rc);
}
X
/* --------------------------------------------------------------------
X * check all relevant arguments that have been passed to us. Those args
X * that may be needed for a recall will be copied to a workfield.
X * */
X
int Check_Args(int argc, char *argv[], struct Common_Stor *sCom_Sto) {
X int i,s,k,n = 0;
X int Rc = OK;
X int One_Site = 0; /* TRUE: found at least one valid site to call */
X int poll_file = 1; /* FALSE: after -x option given */
X int def_flag = 0; /* TRUE: when option -n was encountered */
X
X /* --------------------------------------------------------------*/
X /* check the arguments passed to us */
X /* */
X /* These are: -n -> place a POLL file but do not start uucico */
X /* -x -> do not place a poll file (immed. poll only) */
X /* -g? -> specify a grade with the POLL file. The ? */
X /* may be: 0-9, A-Z, a-z */
X /* (validity not checked!) */
X /* site name of the site to call. There many be as */
X /* many as necessary separated by at least one */
X /* blank */
X /* Note: all options will stay in effect as long as they are'nt */
X /* changed by a new setting. The options -n and -x can't */
X /* be negated once given; that means place all sites */
X /* that should be immediately polled to the left of the */
X /* -n option; the same applies to the -x option which must */
X /* be left of the -n option to come into effect! */
X /* The working order is left to right! */
X /* --------------------------------------------------------------*/
X
X for (i = 1, s = 0; i < argc; i++) {
X k = strlen(argv[i]);
X switch (*argv[i]) {
X
X /* ----> handle the options */
X
X case '-':
X n = 1;
X switch (*(argv[i]+n)) {
X case 'n':
X if (k > 2) {
X fprintf(stderr,"%s: (E) invalid specification %s\n",
X sCom_Sto->called_as,argv[i]);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X def_flag = 1;
X break;
X case 'x':
X if (k > 2) {
X fprintf(stderr,"%s: (E) invalid specification %s\n",
X sCom_Sto->called_as,argv[i]);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X if (def_flag) {
X fprintf(stderr,"%s: (W) -x after -n has no effect\n",
X sCom_Sto->called_as);
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X else {
X poll_file = 0;
X }
X break;
X case 'g':
X if (k > 3) {
X fprintf(stderr,"%s: (E) invalid specification %s\n",
X sCom_Sto->called_as,argv[i]);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X if (*(argv[i]+n+1) == '\0') {
X fprintf(stderr,"%s: (E) missing grade\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X if (isalnum(*(argv[i]+n+1)) == 0) {
X fprintf(stderr,"%s: (E) invalid grade %s\n",
X sCom_Sto->called_as,argv[i]);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X break;
X }
X strcpy(sCom_Sto->Grade,(argv[i]+n+1));
X break;
X default:
X fprintf(stderr,"%s: (W) missing/unknown option `-%s' ignored\n",
X sCom_Sto->called_as,argv[i]+n);
X Rc = Rc >= WARNING ? Rc:WARNING;
X break;
X } /* end of switch (*(argv[i]+n)) */
X break;
X
X /* ----> handle the sitenames */
X
X default:
X if (strcmp(argv[i],sCom_Sto->This_Site) == 0) {
X fprintf(stderr,"%s: (W) ignoring to call *ourself* %s\n",
X sCom_Sto->called_as,argv[i]);
X Rc = Rc >= WARNING ? Rc:WARNING;
X break;
X }
X strcpy(sCom_Sto->System,argv[i]);
X for(s=0;s<=sCom_Sto->maxtab;s++) {
X if ((n=strcmp(sCom_Sto->Sitetab[s].name,sCom_Sto->System)) >= 0) {
X break;
X }
X }
X if (n != 0) {
X fprintf(stderr,"%s: (W) unknown site (ignored): %s\n",
X sCom_Sto->called_as,sCom_Sto->System);
X Rc = Rc >= WARNING ? Rc:WARNING;
X break;
X }
X
X /* ----> if there was no error we arrive here to save the data */
X
X strcpy(sCom_Sto->Sitetab[s].grade,sCom_Sto->Grade);
X One_Site = sCom_Sto->Sitetab[s].flag = 1; /* poll this site */
X if (def_flag)
X sCom_Sto->Sitetab[s].asap = 0; /* poll on next schedule */
X else {
X sCom_Sto->Sitetab[s].asap = 1; /* poll immediately */
X if (! poll_file)
X sCom_Sto->Sitetab[s].asap++; /* and do not place a poll file */
X }
X s++;
X break;
X } /* end of switch (*argv[i]) */
X } /* end of for(...) */
X
/* now let's check what we've gotten so far. If no valid data has been */
/* entered we will indicate that to prevent further processing */
X
X if (! One_Site) {
X fprintf(stderr,"%s: (E) found no site to call\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X
return (Rc);
}
X
int Call_Site(struct Common_Stor *sCom_Sto) {
X
/* For all sites that carry the -n flag we will place */
/* a poll file into the appropriate directory. For all others there will */
/* be an immediate call to uucico (or autopoll) */
/* Those sites that have been named on the command have the corresponding */
/* flag byte set to one. */
X
X int fdpoll; /* fildes for the poll file */
X int mode = P_MODE; /* mode for poll file */
X int i = 0;
X int Rc = OK;
X int pid = 0; /* process-id after fork() */
X
X for(i=0;(i<=sCom_Sto->maxtab);i++) {
X if (sCom_Sto->Sitetab[i].flag == 0) /* should we trigger this one ? */
X continue; /* nope */
X
/* processing done for delayed polls only */
X
X if (sCom_Sto->Sitetab[i].asap <= 1) { /* do not place a poll file */
X /* for sites that will be polled */
X /* immediate and carry the -x option */
#ifdef HAVE_SPOOLDIR_TAYLOR
X sprintf(sCom_Sto->workf,"%s/%s/C./C.%sPOLL",
X SPOOL_DIR,
X sCom_Sto->Sitetab[i].name,
X sCom_Sto->Sitetab[i].grade);
#endif
#ifdef HAVE_SPOOLDIR_HDB
X sprintf(sCom_Sto->workf,"%s/%s/C.%s%sPOLL",
X SPOOL_DIR,
X sCom_Sto->Sitetab[i].name,
X sCom_Sto->Sitetab[i].name,
X sCom_Sto->Sitetab[i].grade);
#endif
#ifdef HAVE_SPOOLDIR_BSD
X sprintf(sCom_Sto->workf,"%s/C./C.%s%sPOLL",
X SPOOL_DIR,
X sCom_Sto->Sitetab[i].name,
X sCom_Sto->Sitetab[i].grade);
#endif
X
X fflush(stderr);
X if ((fdpoll=open(sCom_Sto->workf,O_CREAT,mode)) <= 0) {
X fprintf(stderr,"%s: (E) couldn't place poll file for system: %s. Reason: %s\n",
X sCom_Sto->called_as,
X sCom_Sto->Sitetab[i].name,
X strerror(errno));
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X else {
X if (close(fdpoll) != 0) {
X fprintf(stderr,"%s: (W) close failed for poll file; system: %s. Reason: %s\n",
X sCom_Sto->called_as,
X sCom_Sto->Sitetab[i].name,
X strerror(errno));
X Rc = Rc >= WARNING ? Rc:WARNING;
X }
X }
X }
X
/* the following processing is done for immediate polls only
X * there is no wait for the completion of the called program that actually
X * calls the site
X * */
X
X fflush(stderr);
X if (Rc <= WARNING) {
X fprintf(stderr,"%s: (I) site %s will be called %s\n",
X sCom_Sto->called_as,
X sCom_Sto->Sitetab[i].name,
X sCom_Sto->Sitetab[i].asap == 0 ?
X "upon next poll":"immediately");
X if (sCom_Sto->Sitetab[i].asap >= 1)
X {
#ifdef AUTO_DIR
X if ( access(Auto_Dir,X_OK) != 0) /* do we have xecute permission ? */
#else /* ! AUTO_DIR */
X if ( access(Cico_Dir,X_OK) != 0) /* do we have xecute permission ? */
#endif /* AUTO_DIR */
X {
X fprintf(stderr,"%s: (C) could not start %s. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,
X errno,strerror(errno));
X return (Rc >= CAT ? Rc:CAT); /* abandon the run */
X }
X switch (pid = fork())
X {
X case -1:
X fprintf(stderr,"%s: (C) could not fork() Reason-code: %i (%s)\n",
X sCom_Sto->called_as,
X errno,strerror(errno));
X return (Rc >= CAT ? Rc:CAT);
X case 0:
X if (isatty(0))
X close(0); /* don't block the terminal by autopoll */
#ifdef AUTO_DIR
X execlp(Auto_Dir,
#else /* ! AUTO_DIR */
X execlp(Cico_Dir,
#endif /*AUTO_DIR */
X sCom_Sto->Uucico,
X "-D", "-r1", "-s",
X sCom_Sto->Sitetab[i].name,0);
X fprintf(stderr,"%s: (C) could not start %s. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,
X errno,strerror(errno));
X _exit (CAT); /* child: bail out */
X default:
X fflush(stderr);
X fprintf(stderr,"%s: (I) %s [%d] started; site: %s\n",
X sCom_Sto->called_as,
X sCom_Sto->Uucico,
X pid,
X sCom_Sto->Sitetab[i].name);
X } /* switch (pid = fork()) */
X } /* if (Sitetab ...) */
X } /* if (Rc ...) */
X } /* for(i=0;(i<= ...)) */
X return (Rc);
}
X
X /* ------------------------------------------------------------------
X * storage - get some memory
X */
X
void *storage(unsigned count,
X char *location,
X int *Rc,
X struct Common_Stor *sCom_Sto)
{
X void *p;
X
X if( NULL == (p= malloc(count)) ) {
X fprintf(stderr,"%s: (C) malloc failed (%s). Reason: %i (%s)\n",
X sCom_Sto->called_as,location,errno,strerror(errno));
X *Rc = *Rc >= CAT ? *Rc:CAT;
X }
X return p;
}
X
/* ------------------------------------------------------------------
X * if defined open the message log file otherwise all mesages will go
X * to stderr. If UNAME_DIR is defined construct the command to be
X * passed to popen(); if undefined the default will be used
X * */
X
int set_mlog(FILE **seclog, struct Common_Stor *sCom_Sto) {
X
X int Rc = 0;
X
#ifdef ALOG_FILE
X if (!isatty(0)) {
X if ((freopen(Msg_Log,"a",stderr)) == NULL) {
X fprintf(stdout,"%s: (C) Could not open msglog: %s\n",
X sCom_Sto->called_as,Msg_Log);
X return (Rc >= CAT ? Rc:CAT);
X }
X }
X else {
X if ((*seclog = fopen(Msg_Log,"a")) == NULL) {
X fprintf(stderr,"%s: (C) Could not open msglog: %s\n",
X sCom_Sto->called_as,Msg_Log);
X return (Rc >= CAT ? Rc:CAT);
X }
X }
#endif /* ALOG_FILE */
X
/* set up the pipe together with the complete path to uuname */
X
#ifdef UNAME_DIR
X if ((sCom_Sto->Usort = (char *)storage (sizeof(UNAME_DIR)+sizeof(subcmd),
X "Sort",&Rc, sCom_Sto)) != NULL) {
X strncpy(sCom_Sto->Usort,UNAME_DIR,strlen(UNAME_DIR)); /* paste in the path */
X strcat(sCom_Sto->Usort,subcmd); /* chain the pipe to it */
X }
#else /* ! UNAME_DIR */
X sCom_Sto->Usort = &Sort; /* set pointer to uuname + sort */
#endif /* UNAME_DIR */
X
X return (Rc);
}
X
/* ------------------------------------------------------------------
X * obtain all active sitenames
X * */
X
int get_sites(struct Common_Stor *sCom_Sto) {
X
X int i = 0;
X int n;
X int Rc = 0;
X FILE *infile;
X
X if ((infile=popen(sCom_Sto->Usort,"r")) != NULL) {
X while(fgets(sCom_Sto->Sitetab[i].name,MAXHOSTNAMELEN+1,infile)) {
X if (i > SITE_MAX) { /* let'm run so that we can give */
X i++; /* the user some guidance */
X continue; /* we'll tell the user later on */
X }
X n = strlen(sCom_Sto->Sitetab[i].name)-1; /* offset: next to last char */
X sCom_Sto->Sitetab[i].name[n] = '\0'; /* strip trailing newline */
X sCom_Sto->Sitetab[i].flag = FALSE; /* TRUE: poll this site */
X sCom_Sto->Sitetab[i].asap = FALSE; /* TRUE: immediate poll */
X strcpy(sCom_Sto->Sitetab[i].grade,sCom_Sto->Grade);
X sprintf(sCom_Sto->workf,"%s%s",STATUS_DIR,sCom_Sto->Sitetab[i].name);
X sCom_Sto->maxtab = i++; /* set high-water-mark */
X }
X if (ferror(infile) != 0) {
X fprintf(stderr,"%s: (E) fgets() for sitenames failed reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X pclose(infile);
X
X /*
X * check for an empty table (strange but possible)
X */
X
X if (sCom_Sto->maxtab == 0) {
X fprintf(stderr,"%s: (E) could not obtain sitenames.\n",
X sCom_Sto->called_as);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X else {
X
X /* in case the internal table overflows we'll now give notice and tell
X * the user by which amount the table has to be increased to hold all
X * site-names
X */
X
X if (i > SITE_MAX) {
X fprintf(stderr,"%s: (E) number of sites > internal tab\n",
X sCom_Sto->called_as);
X fprintf(stderr,"%s: (E) increase SITE_MAX to >= %d and recompile\n",
X sCom_Sto->called_as,i);
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X }
X } /* sCom_Sto->maxtab == 0 */
X
X }
X else /* infile == NULL */
X {
X fprintf(stderr,"%s: (E) could not sort sitenames. Reason-code: %i (%s)\n",
X sCom_Sto->called_as,errno,strerror(errno));
X Rc = Rc >= SEVERE ? Rc:SEVERE;
X
X } /* if ((infile=popen(sCom_Sto->Usort,"r")) ... */
X
X return (Rc);
}
SHAR_EOF
chmod 0444 uupoll/uupoll.c ||
echo 'restore of uupoll/uupoll.c failed'
Wc_c="`wc -c < 'uupoll/uupoll.c'`"
test 27587 -eq "$Wc_c" ||
echo 'uupoll/uupoll.c: original size 27587, current size' "$Wc_c"
fi
exit 0
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