1 # $Cambridge: exim/src/src/eximon.src,v 1.1 2004/10/07 10:39:01 ph10 Exp $
3 # Base source of start-up shell script for the Exim Monitor. Used to set the
4 # required environment variables before running the program. Using script
5 # rather than a configuration file means that computation can be done.
6 # The build process concatenates on the front of this various settings from
7 # os-specific files and from the user's configuration file.
9 # Copyright (c) 2004 University of Cambridge.
10 # See the file NOTICE for conditions of use and distribution.
12 # Except when they appear in comments, the following placeholders in this
13 # source are replaced when it is turned into a runnable script:
15 # CONFIGURE_FILE_USE_NODE
24 # Save arguments (can be the usual X parameters)
28 # See if this installation is using the esoteric "USE_NODE" feature of Exim,
29 # in which it uses the host's name as a suffix for the configuration file name.
31 if [ "CONFIGURE_FILE_USE_NODE" = "yes" ]; then
32 hostsuffix=.`uname -n`
35 # Now find the configuration file name. This has got complicated because
36 # CONFIGURE_FILE may now be a list of files. The one that is used is the first
37 # one that exists. Mimic the code in readconf.c by testing first for the
38 # suffixed file in each case.
40 set `awk -F: '{ for (i = 1; i <= NF; i++) print $i }' <<End
44 while [ "$config" = "" -a $# -gt 0 ] ; do
45 if [ -f "$1$hostsuffix" ] ; then
46 config="$1$hostsuffix"
47 elif [ -f "$1" ] ; then
53 # Determine where the spool directory is and whether there is any setting of
54 # log_file_path. Search for an exim_path setting in the configure file;
55 # otherwise use the bin directory. Call that version of Exim to find the spool
56 # directory and the setting of log_file_path.
58 config=${EXIMON_EXIM_CONFIG-$config}
60 # Add code here to redefine "config" if an alternative configuration file
61 # should be used in some circumstances. If you do that, you should also arrange
62 # for the value to be set in EXIMON_EXIM_CONFIG, and to export that variable
63 # into the environment. BEWARE: a tab character is needed in the command below.
64 # It has had a nasty tendency to get lost in the past. Use a variable to hold a
65 # space and a tab to keep the tab in one place.
68 EXIM_PATH=`grep "^[$st]*exim_path" $config | sed "s/.*=[$st]*//"`
69 if test "$EXIM_PATH" = ""; then EXIM_PATH=BIN_DIRECTORY/exim; fi
71 SPOOL_DIRECTORY=`$EXIM_PATH -C $config -bP spool_directory | sed 's/.*=[ ]*//'`
72 LOG_FILE_PATH=`$EXIM_PATH -C $config -bP log_file_path | sed 's/.*=[ ]*//'`
74 # If log_file_path is "syslog" then logging is only to syslog, and the monitor
75 # is unable to display a log tail unless EXIMON_LOG_FILE_PATH is set to tell
76 # it where the log data is. Otherwise, remove any occurrences of
77 # "syslog:" or ":syslog" (spaces allowed in various places) and look at the
78 # remainder of the entry. If it's null, the default is "mainlog" in the
79 # "log" directory in the spool directory. Otherwise, set the name from the
82 if [ "$EXIMON_LOG_FILE_PATH" != "" ] ; then
83 LOG_FILE_NAME="$EXIMON_LOG_FILE_PATH"
84 elif [ "$LOG_FILE_PATH" = "syslog" ] ; then
87 echo Exim is using the syslog interface for its log data. If you redirect all
88 echo MAIL.INFO syslog messages into a separate file, you can point eximon at
89 echo that file with the EXIMON_LOG_FILE_PATH environment variable.
92 LOG_FILE_NAME=`echo $LOG_FILE_PATH | \
93 sed -e 's/ *: *syslog *: */:/' \
94 -e 's/ *: *syslog *$//' \
95 -e 's/^ *syslog *: *//' \
97 if [ "$LOG_FILE_NAME" = "" ] ; then
98 LOG_FILE_NAME=$SPOOL_DIRECTORY/log/mainlog
102 # The basename and hostname commands vary from system to system
104 basename=BASENAME_COMMAND
105 hostname=HOSTNAME_COMMAND
107 # SunOS5 is a pain in that they may be in one of two places. So is Linux
108 # in the case of basename. Set up a general mechanism for searching for
109 # them in several places.
111 if [ "${basename}" = "look_for_it" ] ; then
112 if [ -f /usr/bin/basename ] ; then
113 basename=/usr/bin/basename
115 if [ -f /bin/basename ] ; then
116 basename=/bin/basename
118 basename=/usr/ucb/basename
123 if [ "${hostname}" = "look_for_it" ] ; then
124 if [ -f /usr/bin/hostname ] ; then
125 hostname=/usr/bin/hostname
127 if [ -f /bin/hostname ] ; then
128 hostname=/bin/hostname
130 hostname=/usr/ucb/hostname
135 # Set hostname to the full hostname with the specified domain
136 # stripped off its end. On Solaris 2, the default basename
137 # command treats its suffix argument as a pattern. Consequently,
138 # if fullhostname contains no dots but ends with what looks like
139 # the domain, straightforward use of basename screws things up.
140 # Use a general test for this case, just in case any other OS
143 fullhostname=`${hostname}`
144 case `${basename} abc .c` in
145 a) hostname=`${basename} ${fullhostname} '\.'${DOMAIN}` ;;
146 *) hostname=`${basename} ${fullhostname} .${DOMAIN}` ;;
150 # Arrange for the window title field to be substituted by the shell
151 # so that it can contain either the full or the short host name. This
152 # is a tedious little bit of magic, but I don't know how to do it
153 # in a less tortuous way.
155 WINDOW_TITLE=`fullhostname=${fullhostname} hostname=${hostname} /bin/sh <<xx
160 # Add the X11 library to the library path, and then export the
161 # environment variables used by eximon. The string X11-LD-LIBRARY
162 # (with underscores, not hyphens) below is replaced by the configured
163 # library name when the script is built. (Hyphens are used in the description
164 # to stop it getting changed there too.)
166 X11LIB=X11_LD_LIBRARY
168 if [ "${LD_LIBRARY_PATH}" = "" ] ; then
169 LD_LIBRARY_PATH=${X11LIB}
171 LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${X11LIB}
174 export EXIM_PATH LD_LIBRARY_PATH \
175 LOG_BUFFER LOG_DEPTH LOG_FILE_NAME LOG_FONT LOG_WIDTH \
176 ACTION_OUTPUT ACTION_QUEUE_UPDATE\
177 MENU_EVENT MIN_HEIGHT MIN_WIDTH \
178 QUALIFY_DOMAIN QUEUE_DEPTH QUEUE_FONT QUEUE_INTERVAL QUEUE_MAX_ADDRESSES \
179 QUEUE_STRIPCHART_NAME QUEUE_TOTAL QUEUE_WIDTH SPOOL_DIRECTORY \
180 START_DEPTH LOG_STRIPCHARTS SIZE_STRIPCHART SIZE_STRIPCHART_NAME \
181 START_SMALL STRIPCHART_INTERVAL \
182 TEXT_DEPTH WINDOW_TITLE
184 # Exec to the program we really want to run, thereby continuing in
185 # just the one process, and let it run in parallel with whatever
186 # called this script.
188 exec ${EXIMON_BINARY} $cmd_args &