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